0x1ed/0x520
[  375.283476]  ? ext4_filemap_fault+0x7a/0xad
[  375.287829]  ? lock_release+0xa00/0xa00
[  375.291857]  ? perf_trace_sched_process_exec+0x860/0x860
[  375.297316]  ? print_usage_bug+0xc0/0xc0
[  375.301404]  ? down_read+0x8d/0x120
[  375.305036]  ? ext4_filemap_fault+0x7a/0xad
[  375.309370]  ? __down_interruptible+0x700/0x700
[  375.314055]  ? find_held_lock+0x36/0x1c0
[  375.318133]  ext4_filemap_fault+0x82/0xad
[  375.322299]  __do_fault+0x100/0x6b0
[  375.325937]  ? lock_downgrade+0x900/0x900
[  375.330095]  ? pmd_devmap_trans_unstable+0x220/0x220
[  375.335211]  ? kasan_check_read+0x11/0x20
[  375.339366]  ? do_raw_spin_unlock+0xa7/0x330
[  375.343796]  ? do_raw_spin_trylock+0x270/0x270
[  375.348408]  __handle_mm_fault+0x3ea0/0x5be0
[  375.352826]  ? perf_trace_lock+0x7a0/0x7a0
[  375.357079]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  375.361958]  ? zap_class+0x640/0x640
[  375.365687]  ? zap_class+0x640/0x640
[  375.369408]  ? __x64_sys_futex+0x53e/0x6a0
[  375.373661]  ? find_held_lock+0x36/0x1c0
[  375.377742]  ? handle_mm_fault+0x42a/0xc70
[  375.381989]  ? lock_downgrade+0x900/0x900
[  375.386146]  ? check_preemption_disabled+0x48/0x280
[  375.391175]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  375.396111]  ? kasan_check_read+0x11/0x20
[  375.400274]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  375.405564]  ? rcu_softirq_qs+0x20/0x20
[  375.409551]  ? trace_hardirqs_off_caller+0x310/0x310
[  375.414667]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  375.420213]  ? check_preemption_disabled+0x48/0x280
[  375.425245]  handle_mm_fault+0x54f/0xc70
[  375.429322]  ? __handle_mm_fault+0x5be0/0x5be0
[  375.433922]  ? find_vma+0x34/0x190
[  375.437477]  __do_page_fault+0x5e8/0xe60
[  375.441564]  ? trace_hardirqs_off+0xb8/0x310
[  375.445982]  ? kernel_write+0x120/0x120
[  375.449977]  do_page_fault+0xf2/0x7e0
[  375.453790]  ? vmalloc_sync_all+0x30/0x30
[  375.457947]  ? error_entry+0x70/0xd0
[  375.461674]  ? trace_hardirqs_off_caller+0xbb/0x310
[  375.466698]  ? trace_hardirqs_on_caller+0xc0/0x310
[  375.471636]  ? syscall_return_slowpath+0x5e0/0x5e0
[  375.476578]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  375.481435]  ? trace_hardirqs_on_caller+0x310/0x310
[  375.486464]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  375.491941]  ? prepare_exit_to_usermode+0x291/0x3b0
[  375.496967]  ? page_fault+0x8/0x30
[  375.500535]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  375.505394]  ? page_fault+0x8/0x30
[  375.508947]  page_fault+0x1e/0x30
[  375.512408] RIP: 0033:0x404068
[  375.515633] Code: Bad RIP value.
[  375.519001] RSP: 002b:000000c420024e48 EFLAGS: 00010206
[  375.524369] RAX: 000000c422dd4cc0 RBX: 000000c42875f801 RCX: 000000c424d31838
[  375.531643] RDX: 000000c422dd4cc0 RSI: 0000000000000001 RDI: 0000000000000001
[  375.538923] RBP: 000000c420024ed8 R08: 00007ffd3a9b40b0 R09: 00007ffd3a9b4080
[  375.546197] R10: 000000000000eacc R11: 0000000000000165 R12: 0000000000000001
[  375.553475] R13: 000000c4271c3620 R14: 0000000000000001 R15: 0000000000000000
[  375.560790] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #83
[  375.560992] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  375.567561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  375.567567] Call Trace:
[  375.567586]  dump_stack+0x244/0x39d
[  375.567610]  ? dump_stack_print_info.cold.1+0x20/0x20
[  375.574162] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  375.583457]  warn_alloc.cold.116+0xb7/0x1bd
[  375.586023] syz-fuzzer cpuset=/ mems_allowed=0
[  375.589659]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  375.618793]  ? lock_downgrade+0x900/0x900
[  375.622957]  ? trace_hardirqs_off+0xb8/0x310
[  375.627382]  ? trace_hardirqs_off+0xb8/0x310
[  375.631810]  __alloc_pages_slowpath+0x26e8/0x2e10
[  375.636695]  ? warn_alloc+0x120/0x120
[  375.640521]  ? print_usage_bug+0xc0/0xc0
[  375.644596]  ? warn_alloc+0x120/0x120
[  375.648410]  ? warn_alloc+0x120/0x120
[  375.652219]  ? print_usage_bug+0xc0/0xc0
[  375.656294]  ? print_usage_bug+0xc0/0xc0
[  375.660365]  ? __lock_acquire+0x62f/0x4c20
[  375.664616]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  375.670177]  ? should_fail+0x22d/0xd01
[  375.674078]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  375.679190]  ? __lock_acquire+0x62f/0x4c20
[  375.683442]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  375.688558]  ? __lock_acquire+0x62f/0x4c20
[  375.692798]  ? should_fail+0x22d/0xd01
[  375.696693]  ? find_held_lock+0x36/0x1c0
[  375.700776]  ? mark_held_locks+0x130/0x130
[  375.705040]  ? mark_held_locks+0x130/0x130
[  375.709282]  ? zap_class+0x640/0x640
[  375.713005]  ? zap_class+0x640/0x640
[  375.716731]  ? print_usage_bug+0xc0/0xc0
[  375.720807]  ? do_raw_spin_unlock+0xa7/0x330
[  375.725224]  ? zap_class+0x640/0x640
[  375.728946]  ? print_usage_bug+0xc0/0xc0
[  375.733014]  ? wq_watchdog_touch+0x9c/0xfe
[  375.737259]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.742808]  ? check_preemption_disabled+0x48/0x280
[  375.747846]  ? __lock_is_held+0xb5/0x140
[  375.751923]  __alloc_pages_nodemask+0xa80/0xde0
[  375.756601]  ? zap_class+0x640/0x640
[  375.760329]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  375.765365]  ? find_held_lock+0x36/0x1c0
[  375.769444]  ? ____cache_alloc_node+0x1c7/0x1e0
[  375.774122]  ? lock_downgrade+0x900/0x900
[  375.778290]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.783843]  cache_grow_begin+0xa5/0x8c0
[  375.787911]  ? do_raw_spin_unlock+0xa7/0x330
[  375.792335]  fallback_alloc+0x204/0x2e0
[  375.796339]  ____cache_alloc_node+0x1c7/0x1e0
[  375.800849]  kmem_cache_alloc_node+0xe3/0x730
[  375.805355]  ? ipv6_get_ifaddr+0x42e/0x620
[  375.809614]  __alloc_skb+0x119/0x770
[  375.813335]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  375.818627]  ? netdev_alloc_frag+0x1f0/0x1f0
[  375.823047]  ? lock_downgrade+0x900/0x900
[  375.827212]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.832767]  ? refcount_sub_and_test_checked+0x203/0x310
[  375.838287]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  375.843748]  ? addrconf_rs_timer+0x690/0x690
[  375.848186]  ndisc_alloc_skb+0x144/0x340
[  375.852260]  ndisc_send_rs+0x331/0x6e0
[  375.856162]  addrconf_rs_timer+0x314/0x690
[  375.860416]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.864672]  call_timer_fn+0x272/0x920
[  375.868572]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.872814]  ? process_timeout+0x40/0x40
[  375.876891]  ? __run_timers+0x7da/0xc70
[  375.880876]  ? _raw_spin_unlock_irq+0x27/0x80
[  375.885378]  ? _raw_spin_unlock_irq+0x27/0x80
[  375.889930]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.894179]  ? lockdep_hardirqs_on+0x296/0x5b0
[  375.898785]  ? trace_hardirqs_on+0xbd/0x310
[  375.903131]  ? kasan_check_read+0x11/0x20
[  375.907285]  ? __run_timers+0x7da/0xc70
[  375.911271]  ? trace_hardirqs_off_caller+0x310/0x310
[  375.916390]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.920639]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.924881]  __run_timers+0x7e5/0xc70
[  375.928701]  ? timer_fixup_init+0x70/0x70
[  375.932859]  ? _raw_spin_unlock_irq+0x27/0x80
[  375.937362]  ? _raw_spin_unlock_irq+0x27/0x80
[  375.941872]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  375.946468]  ? trace_hardirqs_on+0xbd/0x310
[  375.950822]  ? kasan_check_read+0x11/0x20
[  375.954979]  ? finish_task_switch+0x1f4/0x910
[  375.959613]  ? trace_hardirqs_off_caller+0x310/0x310
[  375.964731]  ? compat_start_thread+0x80/0x80
[  375.969181]  ? pvclock_read_flags+0x160/0x160
[  375.973681]  ? __switch_to_asm+0x34/0x70
[  375.977757]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.983315]  ? check_preemption_disabled+0x48/0x280
[  375.988352]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  375.993899]  ? rcu_pm_notify+0xc0/0xc0
[  375.997796]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.003345]  ? check_preemption_disabled+0x48/0x280
[  376.008375]  run_timer_softirq+0x52/0xb0
[  376.012446]  ? rcu_read_lock_sched_held+0x14f/0x180
[  376.017471]  __do_softirq+0x308/0xb7e
[  376.021300]  ? trace_hardirqs_on_caller+0xc0/0x310
[  376.026246]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  376.031358]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  376.036832]  ? schedule+0x108/0x460
[  376.040478]  ? trace_hardirqs_off+0xb8/0x310
[  376.044929]  ? smpboot_thread_fn+0x68b/0xa00
[  376.049347]  ? trace_hardirqs_on+0x310/0x310
[  376.053771]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.059321]  ? check_preemption_disabled+0x48/0x280
[  376.064348]  ? takeover_tasklets+0xa90/0xa90
[  376.068773]  run_ksoftirqd+0x5e/0x100
[  376.072586]  smpboot_thread_fn+0x68b/0xa00
[  376.076834]  ? sort_range+0x30/0x30
[  376.080470]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  376.085598]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.091149]  ? __kthread_parkme+0xfb/0x1a0
[  376.095397]  ? sort_range+0x30/0x30
[  376.099034]  kthread+0x35a/0x440
[  376.102411]  ? kthread_stop+0x900/0x900
[  376.106395]  ret_from_fork+0x3a/0x50
[  376.110140] CPU: 1 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  376.110146] warn_alloc_show_mem: 1 callbacks suppressed
[  376.110153] Mem-Info:
[  376.117082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  376.122473] active_anon:44321 inactive_anon:2061 isolated_anon:0
[  376.122473]  active_file:14 inactive_file:14 isolated_file:0
[  376.122473]  unevictable:0 dirty:0 writeback:0 unstable:0
[  376.122473]  slab_reclaimable:9437 slab_unreclaimable:1460937
[  376.122473]  mapped:49154 shmem:2105 pagetables:642 bounce:0
[  376.122473]  free:13638 free_pcp:328 free_cma:0
[  376.124851] Call Trace:
[  376.134304] Node 0 active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8420kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  376.167331]  <IRQ>
[  376.169913] 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
[  376.197519]  dump_stack+0x244/0x39d
[  376.199657] lowmem_reserve[]: 0 2818 6321 6321
[  376.225769]  ? dump_stack_print_info.cold.1+0x20/0x20
[  376.229387] Node 0 DMA32 free:24708kB 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
[  376.233977]  warn_alloc.cold.116+0xb7/0x1bd
[  376.239146] lowmem_reserve[]: 0 0 3503 3503
[  376.266650]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  376.270959] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2568kB bounce:0kB free_pcp:1064kB local_pcp:692kB free_cma:0kB
[  376.275288]  ? lock_downgrade+0x900/0x900
[  376.280110] lowmem_reserve[]: 0 0 0 0
[  376.309189]  ? trace_hardirqs_off+0xb8/0x310
[  376.313315] 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
[  376.317114]  ? trace_hardirqs_off+0xb8/0x310
[  376.321516] Node 0 DMA32: 5*4kB (UM) 2*8kB (MH) 2*16kB (MH) 4*32kB (MH) 3*64kB (M) 2*128kB (M) 4*256kB (UMH) 3*512kB (UM) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24708kB
[  376.335045]  __alloc_pages_slowpath+0x26e8/0x2e10
[  376.339436] Node 0 Normal: 930*4kB (MEH) 535*8kB (UMEH) 215*16kB (UME) 80*32kB (UMH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  376.354981]  ? warn_alloc+0x120/0x120
[  376.359796] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  376.373579]  ? print_usage_bug+0xc0/0xc0
[  376.377366] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  376.386214]  ? warn_alloc+0x120/0x120
[  376.390269] 2133 total pagecache pages
[  376.398849]  ? warn_alloc+0x120/0x120
[  376.402643] 0 pages in swap cache
[  376.406541]  ? print_usage_bug+0xc0/0xc0
[  376.410329] Swap cache stats: add 0, delete 0, find 0/0
[  376.413777]  ? kvm_clock_read+0x18/0x30
[  376.413794]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  376.417840] Free swap  = 0kB
[  376.423204]  ? print_usage_bug+0xc0/0xc0
[  376.427179] Total swap = 0kB
[  376.432195]  ? __lock_acquire+0x62f/0x4c20
[  376.435200] 1965979 pages RAM
[  376.439272]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.442261] 0 pages HighMem/MovableOnly
[  376.442271] 342853 pages reserved
[  376.446526]  ? should_fail+0x22d/0xd01
[  376.449619] 0 pages cma reserved
[  376.455158]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  376.459226] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  376.462605]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  376.462621]  ? __lock_acquire+0x62f/0x4c20
[  376.462639]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  376.466582] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  376.469944]  ? __lock_acquire+0x62f/0x4c20
[  376.475209] ksoftirqd/0 cpuset=/ mems_allowed=0
[  376.481703]  ? should_fail+0x22d/0xd01
[  376.519304]  ? rcu_irq_exit+0x1a2/0x390
[  376.523304]  ? mark_held_locks+0x130/0x130
[  376.527561]  ? mark_held_locks+0x130/0x130
[  376.531813]  ? mark_held_locks+0xc7/0x130
[  376.535968]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  376.540993]  ? zap_class+0x640/0x640
[  376.544714]  ? print_usage_bug+0xc0/0xc0
[  376.548789]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.554354]  ? check_preemption_disabled+0x48/0x280
[  376.559393]  ? __lock_is_held+0xb5/0x140
[  376.563469]  __alloc_pages_nodemask+0xa80/0xde0
[  376.568169]  ? zap_class+0x640/0x640
[  376.571902]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  376.576942]  ? find_held_lock+0x36/0x1c0
[  376.581028]  ? ____cache_alloc_node+0x1c7/0x1e0
[  376.585716]  ? lock_downgrade+0x900/0x900
[  376.589882]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.595437]  cache_grow_begin+0xa5/0x8c0
[  376.599526]  ? do_raw_spin_unlock+0xa7/0x330
[  376.603953]  fallback_alloc+0x204/0x2e0
[  376.607942]  ____cache_alloc_node+0x1c7/0x1e0
[  376.612455]  kmem_cache_alloc_node+0xe3/0x730
[  376.616958]  ? ipv6_get_ifaddr+0x42e/0x620
[  376.621390]  __alloc_skb+0x119/0x770
[  376.625113]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  376.630405]  ? netdev_alloc_frag+0x1f0/0x1f0
[  376.634823]  ? lock_downgrade+0x900/0x900
[  376.638987]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.644552]  ? refcount_sub_and_test_checked+0x203/0x310
[  376.650017]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  376.655478]  ? addrconf_rs_timer+0x690/0x690
[  376.659927]  ndisc_alloc_skb+0x144/0x340
[  376.664002]  ndisc_send_rs+0x331/0x6e0
[  376.667903]  addrconf_rs_timer+0x314/0x690
[  376.672157]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  376.676411]  call_timer_fn+0x272/0x920
[  376.680311]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  376.684575]  ? process_timeout+0x40/0x40
[  376.688656]  ? mark_held_locks+0xc7/0x130
[  376.692814]  ? _raw_spin_unlock_irq+0x27/0x80
[  376.697320]  ? _raw_spin_unlock_irq+0x27/0x80
[  376.701827]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  376.706070]  ? lockdep_hardirqs_on+0x296/0x5b0
[  376.710665]  ? trace_hardirqs_on+0xbd/0x310
[  376.714997]  ? kasan_check_read+0x11/0x20
[  376.719153]  ? __run_timers+0x7da/0xc70
[  376.723187]  ? trace_hardirqs_off_caller+0x310/0x310
[  376.728310]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  376.732572]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  376.736814]  __run_timers+0x7e5/0xc70
[  376.740635]  ? timer_fixup_init+0x70/0x70
[  376.744796]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  376.749822]  ? zap_class+0x640/0x640
[  376.754059]  ? print_usage_bug+0xc0/0xc0
[  376.758167]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  376.763378]  ? find_held_lock+0x36/0x1c0
[  376.767455]  ? zap_class+0x640/0x640
[  376.771200]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.776749]  ? check_preemption_disabled+0x48/0x280
[  376.781791]  ? __lock_is_held+0xb5/0x140
[  376.785864]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.791413]  ? check_preemption_disabled+0x48/0x280
[  376.796447]  run_timer_softirq+0x52/0xb0
[  376.800534]  ? rcu_read_lock_sched_held+0x14f/0x180
[  376.805579]  __do_softirq+0x308/0xb7e
[  376.809406]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  376.813910]  ? lock_downgrade+0x900/0x900
[  376.818121]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  376.823242]  ? pvclock_read_flags+0x160/0x160
[  376.827754]  ? lapic_next_event+0x5a/0x90
[  376.831914]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.837465]  ? kvm_clock_read+0x18/0x30
[  376.841464]  ? kvm_sched_clock_read+0x9/0x20
[  376.845904]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.851457]  ? check_preemption_disabled+0x48/0x280
[  376.856495]  irq_exit+0x17f/0x1c0
[  376.859984]  smp_apic_timer_interrupt+0x1cb/0x760
[  376.864836]  ? smp_reschedule_interrupt+0x109/0x650
[  376.869866]  ? smp_call_function_single_interrupt+0x650/0x650
[  376.875762]  ? interrupt_entry+0xb5/0xc0
[  376.879848]  ? trace_hardirqs_off_caller+0xbb/0x310
[  376.884870]  ? trace_hardirqs_off_caller+0xbb/0x310
[  376.889897]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  376.894754]  ? trace_hardirqs_on_caller+0x310/0x310
[  376.899778]  ? trace_hardirqs_on_caller+0x310/0x310
[  376.904809]  ? task_prio+0x50/0x50
[  376.908362]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.913913]  ? check_preemption_disabled+0x48/0x280
[  376.918956]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  376.923817]  apic_timer_interrupt+0xf/0x20
[  376.928052]  </IRQ>
[  376.930299] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  376.935513] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec
[  376.954420] RSP: 0018:ffff8801c2d36100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  376.962140] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100385b2de6
[  376.969418] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c2d96ebc
[  376.976701] RBP: ffff8801c2d36128 R08: ffff8801c2d96f30 R09: 0000000000000006
[  376.983974] R10: 0000000000000000 R11: ffff8801c2d96640 R12: dffffc0000000000
[  376.991280] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  376.998586]  retint_kernel+0x1b/0x2d
[  377.002312] RIP: 0010:dump_stack+0x358/0x39d
[  377.006736] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  377.025642] RSP: 0018:ffff8801c2d361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  377.033357] RAX: ffff8801c2d96640 RBX: 1ffffffff12a3f76 RCX: 1ffff100385b2de6
[  377.040635] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  377.047910] RBP: ffff8801c2d36290 R08: ffff8801c2d96f30 R09: 0000000000000006
[  377.055217] R10: 0000000000000000 R11: ffff8801c2d96640 R12: 1ffff100385a6c45
[  377.062491] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  377.069805]  ? dump_stack+0x34f/0x39d
[  377.073629]  ? dump_stack_print_info.cold.1+0x20/0x20
[  377.078832]  ? mark_held_locks+0x130/0x130
[  377.083077]  ? mark_held_locks+0x130/0x130
[  377.087327]  dump_header+0x27b/0xf72
[  377.091064]  ? pagefault_out_of_memory+0x197/0x197
[  377.096012]  ? __lock_acquire+0x62f/0x4c20
[  377.100264]  ? percpu_ref_get_many+0x240/0x240
[  377.104861]  ? print_usage_bug+0xc0/0xc0
[  377.108939]  ? zap_class+0x640/0x640
[  377.112666]  ? print_usage_bug+0xc0/0xc0
[  377.116737]  ? print_usage_bug+0xc0/0xc0
[  377.120808]  ? zap_class+0x640/0x640
[  377.124550]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.130102]  ? find_held_lock+0x36/0x1c0
[  377.134183]  ? mark_held_locks+0xc7/0x130
[  377.138342]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  377.143453]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  377.148565]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  377.153163]  ? trace_hardirqs_on+0xbd/0x310
[  377.157492]  ? kasan_check_read+0x11/0x20
[  377.161670]  ? ___ratelimit+0x3b4/0x672
[  377.165659]  ? trace_hardirqs_off_caller+0x310/0x310
[  377.170773]  ? trace_hardirqs_on+0x310/0x310
[  377.175192]  ? lock_downgrade+0x900/0x900
[  377.179354]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  377.184468]  ? ___ratelimit+0x3b9/0x672
[  377.188467]  ? idr_get_free+0xf70/0xf70
[  377.192466]  ? find_held_lock+0x36/0x1c0
[  377.196570]  oom_kill_process.cold.27+0x10/0x903
[  377.201338]  ? zap_class+0x640/0x640
[  377.205062]  ? check_preemption_disabled+0x48/0x280
[  377.210087]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  377.215053]  ? kasan_check_read+0x11/0x20
[  377.219213]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  377.224517]  ? oom_evaluate_task+0x540/0x540
[  377.228942]  ? find_held_lock+0x36/0x1c0
[  377.233069]  ? out_of_memory+0x974/0x1430
[  377.237229]  ? lock_downgrade+0x900/0x900
[  377.241393]  ? check_preemption_disabled+0x48/0x280
[  377.246421]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  377.251364]  ? kasan_check_read+0x11/0x20
[  377.255535]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  377.260821]  ? rcu_softirq_qs+0x20/0x20
[  377.264809]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  377.270351]  ? oom_evaluate_task+0x302/0x540
[  377.274772]  out_of_memory+0xa84/0x1430
[  377.278763]  ? oom_killer_disable+0x3a0/0x3a0
[  377.283275]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  377.288221]  ? __ww_mutex_check_waiters+0x160/0x160
[  377.293266]  __alloc_pages_slowpath+0x2354/0x2e10
[  377.298152]  ? warn_alloc+0x120/0x120
[  377.301960]  ? mark_held_locks+0x130/0x130
[  377.306212]  ? find_get_entry+0xaae/0x1120
[  377.310468]  ? filemap_map_pages+0x1a20/0x1a20
[  377.315083]  ? zap_class+0x640/0x640
[  377.318812]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.324363]  ? check_preemption_disabled+0x48/0x280
[  377.329391]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  377.334940]  ? should_fail+0x22d/0xd01
[  377.338841]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  377.343954]  ? zap_class+0x640/0x640
[  377.347704]  ? __lock_is_held+0xb5/0x140
[  377.351786]  ? mark_held_locks+0x130/0x130
[  377.356036]  ? lock_release+0xa00/0xa00
[  377.360022]  ? perf_trace_sched_process_exec+0x860/0x860
[  377.365484]  ? xa_load+0x2ba/0x460
[  377.369055]  ? lock_downgrade+0x900/0x900
[  377.373227]  ? __might_sleep+0x95/0x190
[  377.377219]  __alloc_pages_nodemask+0xa80/0xde0
[  377.381904]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  377.386931]  ? __page_cache_alloc+0x191/0x5c0
[  377.391433]  ? xa_load+0x2e1/0x460
[  377.394988]  ? xa_clear_mark+0x40/0x40
[  377.398886]  ? zap_class+0x640/0x640
[  377.402619]  ? zap_class+0x640/0x640
[  377.406342]  ? zap_class+0x640/0x640
[  377.410063]  ? __do_page_cache_readahead+0x663/0x810
[  377.415182]  ? find_held_lock+0x36/0x1c0
[  377.419257]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  377.424818]  alloc_pages_current+0x173/0x350
[  377.429243]  __page_cache_alloc+0x38c/0x5c0
[  377.433579]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  377.438532]  ? kasan_check_read+0x11/0x20
[  377.442689]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  377.447983]  ? generic_perform_write+0x6a0/0x6a0
[  377.452751]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  377.458299]  ? check_preemption_disabled+0x48/0x280
[  377.463332]  filemap_fault+0x1595/0x25f0
[  377.467416]  ? __lock_page_or_retry+0xa00/0xa00
[  377.472100]  ? mark_held_locks+0x130/0x130
[  377.476354]  ? filemap_map_pages+0xd6b/0x1a20
[  377.480861]  ? lock_downgrade+0x900/0x900
[  377.485014]  ? check_preemption_disabled+0x48/0x280
[  377.490037]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  377.494976]  ? kasan_check_read+0x11/0x20
[  377.499131]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  377.504417]  ? rcu_softirq_qs+0x20/0x20
[  377.508464]  ? filemap_map_pages+0xd92/0x1a20
[  377.513056]  ? find_get_entries_tag+0x1400/0x1400
[  377.517907]  ? find_held_lock+0x36/0x1c0
[  377.522009]  ? lock_acquire+0x1ed/0x520
[  377.525990]  ? ext4_filemap_fault+0x7a/0xad
[  377.530329]  ? lock_release+0xa00/0xa00
[  377.534314]  ? perf_trace_sched_process_exec+0x860/0x860
[  377.539774]  ? print_usage_bug+0xc0/0xc0
[  377.543863]  ? down_read+0x8d/0x120
[  377.547495]  ? ext4_filemap_fault+0x7a/0xad
[  377.551849]  ? __down_interruptible+0x700/0x700
[  377.556551]  ? find_held_lock+0x36/0x1c0
[  377.560630]  ext4_filemap_fault+0x82/0xad
[  377.564790]  __do_fault+0x100/0x6b0
[  377.568431]  ? lock_downgrade+0x900/0x900
[  377.572591]  ? pmd_devmap_trans_unstable+0x220/0x220
[  377.577710]  ? kasan_check_read+0x11/0x20
[  377.581865]  ? do_raw_spin_unlock+0xa7/0x330
[  377.586289]  ? do_raw_spin_trylock+0x270/0x270
[  377.590899]  __handle_mm_fault+0x3ea0/0x5be0
[  377.595315]  ? perf_trace_lock+0x7a0/0x7a0
[  377.599571]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  377.604450]  ? zap_class+0x640/0x640
[  377.608183]  ? zap_class+0x640/0x640
[  377.611907]  ? __x64_sys_futex+0x53e/0x6a0
[  377.616155]  ? find_held_lock+0x36/0x1c0
[  377.620238]  ? handle_mm_fault+0x42a/0xc70
[  377.624487]  ? lock_downgrade+0x900/0x900
[  377.628664]  ? check_preemption_disabled+0x48/0x280
[  377.633696]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  377.638636]  ? kasan_check_read+0x11/0x20
[  377.642790]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  377.648076]  ? rcu_softirq_qs+0x20/0x20
[  377.652057]  ? trace_hardirqs_off_caller+0x310/0x310
[  377.657169]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  377.662717]  ? check_preemption_disabled+0x48/0x280
[  377.667753]  handle_mm_fault+0x54f/0xc70
[  377.671826]  ? __handle_mm_fault+0x5be0/0x5be0
[  377.676422]  ? find_vma+0x34/0x190
[  377.679979]  __do_page_fault+0x5e8/0xe60
[  377.684057]  ? trace_hardirqs_off+0xb8/0x310
[  377.688471]  ? kernel_write+0x120/0x120
[  377.692479]  do_page_fault+0xf2/0x7e0
[  377.696314]  ? vmalloc_sync_all+0x30/0x30
[  377.700474]  ? error_entry+0x70/0xd0
[  377.704217]  ? trace_hardirqs_off_caller+0xbb/0x310
[  377.709244]  ? trace_hardirqs_on_caller+0xc0/0x310
[  377.714197]  ? syscall_return_slowpath+0x5e0/0x5e0
[  377.719134]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  377.723989]  ? trace_hardirqs_on_caller+0x310/0x310
[  377.729010]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  377.734476]  ? prepare_exit_to_usermode+0x291/0x3b0
[  377.739630]  ? page_fault+0x8/0x30
[  377.743185]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  377.748042]  ? page_fault+0x8/0x30
[  377.751591]  page_fault+0x1e/0x30
[  377.755051] RIP: 0033:0x404068
[  377.758270] Code: Bad RIP value.
[  377.761643] RSP: 002b:000000c420024e48 EFLAGS: 00010206
[  377.767010] RAX: 000000c422dd4cc0 RBX: 000000c42875f801 RCX: 000000c424d31838
[  377.774290] RDX: 000000c422dd4cc0 RSI: 0000000000000001 RDI: 0000000000000001
[  377.781569] RBP: 000000c420024ed8 R08: 00007ffd3a9b40b0 R09: 00007ffd3a9b4080
[  377.788842] R10: 000000000000eacc R11: 0000000000000165 R12: 0000000000000001
[  377.796115] R13: 000000c4271c3620 R14: 0000000000000001 R15: 0000000000000000
[  377.803415] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #83
[  377.803520] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  377.810185] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  377.810194] Call Trace:
[  377.816766] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  377.826039]  dump_stack+0x244/0x39d
[  377.828613] syz-fuzzer cpuset=/ mems_allowed=0
[  377.838842]  ? dump_stack_print_info.cold.1+0x20/0x20
[  377.852227]  warn_alloc.cold.116+0xb7/0x1bd
[  377.856564]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  377.861419]  ? lock_downgrade+0x900/0x900
[  377.865638]  ? trace_hardirqs_off+0xb8/0x310
[  377.870064]  ? trace_hardirqs_off+0xb8/0x310
[  377.874490]  __alloc_pages_slowpath+0x26e8/0x2e10
[  377.879395]  ? warn_alloc+0x120/0x120
[  377.883206]  ? print_usage_bug+0xc0/0xc0
[  377.887276]  ? warn_alloc+0x120/0x120
[  377.891105]  ? warn_alloc+0x120/0x120
[  377.894932]  ? print_usage_bug+0xc0/0xc0
[  377.899040]  ? print_usage_bug+0xc0/0xc0
[  377.903143]  ? __lock_acquire+0x62f/0x4c20
[  377.907408]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  377.912954]  ? should_fail+0x22d/0xd01
[  377.916856]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  377.921966]  ? __lock_acquire+0x62f/0x4c20
[  377.926219]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  377.931329]  ? __lock_acquire+0x62f/0x4c20
[  377.935573]  ? should_fail+0x22d/0xd01
[  377.939468]  ? find_held_lock+0x36/0x1c0
[  377.943569]  ? mark_held_locks+0x130/0x130
[  377.947818]  ? mark_held_locks+0x130/0x130
[  377.952057]  ? zap_class+0x640/0x640
[  377.955783]  ? zap_class+0x640/0x640
[  377.959543]  ? print_usage_bug+0xc0/0xc0
[  377.963613]  ? do_raw_spin_unlock+0xa7/0x330
[  377.968033]  ? zap_class+0x640/0x640
[  377.971756]  ? print_usage_bug+0xc0/0xc0
[  377.975849]  ? wq_watchdog_touch+0x9c/0xfe
[  377.980106]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.985672]  ? check_preemption_disabled+0x48/0x280
[  377.990711]  ? __lock_is_held+0xb5/0x140
[  377.994794]  __alloc_pages_nodemask+0xa80/0xde0
[  377.999485]  ? zap_class+0x640/0x640
[  378.003232]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  378.008270]  ? find_held_lock+0x36/0x1c0
[  378.012354]  ? ____cache_alloc_node+0x1c7/0x1e0
[  378.017035]  ? lock_downgrade+0x900/0x900
[  378.021231]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.026786]  cache_grow_begin+0xa5/0x8c0
[  378.030866]  ? do_raw_spin_unlock+0xa7/0x330
[  378.035300]  fallback_alloc+0x204/0x2e0
[  378.039290]  ____cache_alloc_node+0x1c7/0x1e0
[  378.043816]  kmem_cache_alloc_node+0xe3/0x730
[  378.048320]  ? ipv6_get_ifaddr+0x42e/0x620
[  378.052579]  __alloc_skb+0x119/0x770
[  378.056300]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  378.061593]  ? netdev_alloc_frag+0x1f0/0x1f0
[  378.066010]  ? lock_downgrade+0x900/0x900
[  378.070175]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.075721]  ? refcount_sub_and_test_checked+0x203/0x310
[  378.081183]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  378.086647]  ? addrconf_rs_timer+0x690/0x690
[  378.091078]  ndisc_alloc_skb+0x144/0x340
[  378.095184]  ndisc_send_rs+0x331/0x6e0
[  378.099131]  addrconf_rs_timer+0x314/0x690
[  378.103383]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.107639]  call_timer_fn+0x272/0x920
[  378.111553]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.115804]  ? process_timeout+0x40/0x40
[  378.119881]  ? __run_timers+0x7da/0xc70
[  378.123865]  ? _raw_spin_unlock_irq+0x27/0x80
[  378.128369]  ? _raw_spin_unlock_irq+0x27/0x80
[  378.132875]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.137118]  ? lockdep_hardirqs_on+0x296/0x5b0
[  378.141712]  ? trace_hardirqs_on+0xbd/0x310
[  378.146042]  ? kasan_check_read+0x11/0x20
[  378.150198]  ? __run_timers+0x7da/0xc70
[  378.154183]  ? trace_hardirqs_off_caller+0x310/0x310
[  378.159302]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.163560]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.167804]  __run_timers+0x7e5/0xc70
[  378.171629]  ? timer_fixup_init+0x70/0x70
[  378.175787]  ? _raw_spin_unlock_irq+0x27/0x80
[  378.180290]  ? _raw_spin_unlock_irq+0x27/0x80
[  378.184800]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  378.189395]  ? trace_hardirqs_on+0xbd/0x310
[  378.193727]  ? kasan_check_read+0x11/0x20
[  378.197889]  ? finish_task_switch+0x1f4/0x910
[  378.202413]  ? trace_hardirqs_off_caller+0x310/0x310
[  378.207539]  ? compat_start_thread+0x80/0x80
[  378.211978]  ? pvclock_read_flags+0x160/0x160
[  378.216482]  ? __switch_to_asm+0x34/0x70
[  378.220573]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.226120]  ? check_preemption_disabled+0x48/0x280
[  378.231158]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  378.236707]  ? rcu_pm_notify+0xc0/0xc0
[  378.240606]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.246174]  ? check_preemption_disabled+0x48/0x280
[  378.251208]  run_timer_softirq+0x52/0xb0
[  378.255279]  ? rcu_read_lock_sched_held+0x14f/0x180
[  378.260304]  __do_softirq+0x308/0xb7e
[  378.264124]  ? trace_hardirqs_on_caller+0xc0/0x310
[  378.269065]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  378.274179]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  378.279651]  ? schedule+0x108/0x460
[  378.283303]  ? trace_hardirqs_off+0xb8/0x310
[  378.287720]  ? smpboot_thread_fn+0x68b/0xa00
[  378.292139]  ? trace_hardirqs_on+0x310/0x310
[  378.296609]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  378.302158]  ? check_preemption_disabled+0x48/0x280
[  378.307184]  ? takeover_tasklets+0xa90/0xa90
[  378.311607]  run_ksoftirqd+0x5e/0x100
[  378.315419]  smpboot_thread_fn+0x68b/0xa00
[  378.319669]  ? sort_range+0x30/0x30
[  378.323307]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  378.328421]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  378.333972]  ? __kthread_parkme+0xfb/0x1a0
[  378.338223]  ? sort_range+0x30/0x30
[  378.341885]  kthread+0x35a/0x440
[  378.345259]  ? kthread_stop+0x900/0x900
[  378.349244]  ret_from_fork+0x3a/0x50
[  378.352992] CPU: 1 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  378.352997] warn_alloc_show_mem: 1 callbacks suppressed
[  378.353005] Mem-Info:
[  378.359932] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  378.365308] active_anon:44321 inactive_anon:2061 isolated_anon:0
[  378.365308]  active_file:14 inactive_file:14 isolated_file:0
[  378.365308]  unevictable:0 dirty:0 writeback:0 unstable:0
[  378.365308]  slab_reclaimable:9437 slab_unreclaimable:1460937
[  378.365308]  mapped:49154 shmem:2105 pagetables:642 bounce:0
[  378.365308]  free:13638 free_pcp:328 free_cma:0
[  378.367693] Call Trace:
[  378.377091] Node 0 active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8420kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  378.410229]  <IRQ>
[  378.412806] 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
[  378.440391]  dump_stack+0x244/0x39d
[  378.442543] lowmem_reserve[]: 0 2818 6321 6321
[  378.468654]  ? dump_stack_print_info.cold.1+0x20/0x20
[  378.472265] Node 0 DMA32 free:24708kB 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
[  378.476869]  warn_alloc.cold.116+0xb7/0x1bd
[  378.482036] lowmem_reserve[]: 0 0 3503 3503
[  378.509593]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  378.513901] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2568kB bounce:0kB free_pcp:1064kB local_pcp:692kB free_cma:0kB
[  378.518225]  ? lock_downgrade+0x900/0x900
[  378.523047] lowmem_reserve[]: 0 0 0 0
[  378.552116]  ? trace_hardirqs_off+0xb8/0x310
[  378.556245] 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
[  378.560055]  ? trace_hardirqs_off+0xb8/0x310
[  378.564445] Node 0 DMA32: 5*4kB (UM) 2*8kB (MH) 2*16kB (MH) 4*32kB (MH) 3*64kB (M) 2*128kB (M) 4*256kB (UMH) 3*512kB (UM) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24708kB
[  378.577975]  __alloc_pages_slowpath+0x26e8/0x2e10
[  378.582363] Node 0 Normal: 930*4kB (MEH) 535*8kB (UMEH) 215*16kB (UME) 80*32kB (UMH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  378.597908]  ? warn_alloc+0x120/0x120
[  378.602719] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  378.616496]  ? print_usage_bug+0xc0/0xc0
[  378.620577] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  378.629411]  ? warn_alloc+0x120/0x120
[  378.633460] 2133 total pagecache pages
[  378.642041]  ? warn_alloc+0x120/0x120
[  378.645834] 0 pages in swap cache
[  378.649724]  ? print_usage_bug+0xc0/0xc0
[  378.653529] Swap cache stats: add 0, delete 0, find 0/0
[  378.656982]  ? kvm_clock_read+0x18/0x30
[  378.661023] Free swap  = 0kB
[  378.666390]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  378.670350] Total swap = 0kB
[  378.673368]  ? print_usage_bug+0xc0/0xc0
[  378.678369] 1965979 pages RAM
[  378.681391]  ? __lock_acquire+0x62f/0x4c20
[  378.685434] 0 pages HighMem/MovableOnly
[  378.688550]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  378.692767] 342853 pages reserved
[  378.696741]  ? should_fail+0x22d/0xd01
[  378.702268] 0 pages cma reserved
[  378.705721]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  378.709662] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  378.712993]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  378.713008]  ? __lock_acquire+0x62f/0x4c20
[  378.713025]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  378.718337] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  378.724782]  ? __lock_acquire+0x62f/0x4c20
[  378.729887] ksoftirqd/0 cpuset=/ mems_allowed=0
[  378.734119]  ? should_fail+0x22d/0xd01
[  378.762843]  ? rcu_irq_exit+0x1a2/0x390
[  378.766839]  ? mark_held_locks+0x130/0x130
[  378.771090]  ? mark_held_locks+0x130/0x130
[  378.775343]  ? mark_held_locks+0xc7/0x130
[  378.779517]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  378.784583]  ? zap_class+0x640/0x640
[  378.788304]  ? print_usage_bug+0xc0/0xc0
[  378.792379]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.797929]  ? check_preemption_disabled+0x48/0x280
[  378.802971]  ? __lock_is_held+0xb5/0x140
[  378.807047]  __alloc_pages_nodemask+0xa80/0xde0
[  378.811726]  ? zap_class+0x640/0x640
[  378.815456]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  378.820494]  ? find_held_lock+0x36/0x1c0
[  378.824599]  ? ____cache_alloc_node+0x1c7/0x1e0
[  378.829285]  ? lock_downgrade+0x900/0x900
[  378.833454]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.839004]  cache_grow_begin+0xa5/0x8c0
[  378.843071]  ? do_raw_spin_unlock+0xa7/0x330
[  378.847495]  fallback_alloc+0x204/0x2e0
[  378.851522]  ____cache_alloc_node+0x1c7/0x1e0
[  378.856034]  kmem_cache_alloc_node+0xe3/0x730
[  378.860551]  ? ipv6_get_ifaddr+0x42e/0x620
[  378.864807]  __alloc_skb+0x119/0x770
[  378.868541]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  378.873834]  ? netdev_alloc_frag+0x1f0/0x1f0
[  378.878252]  ? lock_downgrade+0x900/0x900
[  378.882422]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.887970]  ? refcount_sub_and_test_checked+0x203/0x310
[  378.893434]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  378.898979]  ? addrconf_rs_timer+0x690/0x690
[  378.903408]  ndisc_alloc_skb+0x144/0x340
[  378.907482]  ndisc_send_rs+0x331/0x6e0
[  378.911403]  addrconf_rs_timer+0x314/0x690
[  378.915650]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.919907]  call_timer_fn+0x272/0x920
[  378.923805]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.928062]  ? process_timeout+0x40/0x40
[  378.932141]  ? mark_held_locks+0xc7/0x130
[  378.936301]  ? _raw_spin_unlock_irq+0x27/0x80
[  378.940805]  ? _raw_spin_unlock_irq+0x27/0x80
[  378.945311]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.949558]  ? lockdep_hardirqs_on+0x296/0x5b0
[  378.954202]  ? trace_hardirqs_on+0xbd/0x310
[  378.958544]  ? kasan_check_read+0x11/0x20
[  378.962700]  ? __run_timers+0x7da/0xc70
[  378.966686]  ? trace_hardirqs_off_caller+0x310/0x310
[  378.971803]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.976055]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.980298]  __run_timers+0x7e5/0xc70
[  378.984142]  ? timer_fixup_init+0x70/0x70
[  378.988334]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  378.993364]  ? zap_class+0x640/0x640
[  378.997091]  ? print_usage_bug+0xc0/0xc0
[  379.001164]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  379.006372]  ? find_held_lock+0x36/0x1c0
[  379.010446]  ? zap_class+0x640/0x640
[  379.014201]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.019748]  ? check_preemption_disabled+0x48/0x280
[  379.024784]  ? __lock_is_held+0xb5/0x140
[  379.028875]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.034419]  ? check_preemption_disabled+0x48/0x280
[  379.039460]  run_timer_softirq+0x52/0xb0
[  379.043544]  ? rcu_read_lock_sched_held+0x14f/0x180
[  379.048574]  __do_softirq+0x308/0xb7e
[  379.052385]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  379.056887]  ? lock_downgrade+0x900/0x900
[  379.061044]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  379.066195]  ? pvclock_read_flags+0x160/0x160
[  379.070705]  ? lapic_next_event+0x5a/0x90
[  379.074869]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.080420]  ? kvm_clock_read+0x18/0x30
[  379.084404]  ? kvm_sched_clock_read+0x9/0x20
[  379.088827]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.094372]  ? check_preemption_disabled+0x48/0x280
[  379.099407]  irq_exit+0x17f/0x1c0
[  379.102872]  smp_apic_timer_interrupt+0x1cb/0x760
[  379.107717]  ? smp_reschedule_interrupt+0x109/0x650
[  379.112741]  ? smp_call_function_single_interrupt+0x650/0x650
[  379.118637]  ? interrupt_entry+0xb5/0xc0
[  379.122709]  ? trace_hardirqs_off_caller+0xbb/0x310
[  379.127735]  ? trace_hardirqs_off_caller+0xbb/0x310
[  379.132760]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  379.137616]  ? trace_hardirqs_on_caller+0x310/0x310
[  379.142642]  ? trace_hardirqs_on_caller+0x310/0x310
[  379.147667]  ? task_prio+0x50/0x50
[  379.151218]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.156767]  ? check_preemption_disabled+0x48/0x280
[  379.161799]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  379.166660]  apic_timer_interrupt+0xf/0x20
[  379.170898]  </IRQ>
[  379.173145] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  379.178344] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec
[  379.197249] RSP: 0018:ffff8801c2d36100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  379.204967] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100385b2de6
[  379.212241] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c2d96ebc
[  379.219536] RBP: ffff8801c2d36128 R08: ffff8801c2d96f30 R09: 0000000000000006
[  379.226810] R10: 0000000000000000 R11: ffff8801c2d96640 R12: dffffc0000000000
[  379.234090] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  379.241398]  retint_kernel+0x1b/0x2d
[  379.245120] RIP: 0010:dump_stack+0x358/0x39d
[  379.249551] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  379.268455] RSP: 0018:ffff8801c2d361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  379.276175] RAX: ffff8801c2d96640 RBX: 1ffffffff12a3f76 RCX: 1ffff100385b2de6
[  379.283447] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  379.290720] RBP: ffff8801c2d36290 R08: ffff8801c2d96f30 R09: 0000000000000006
[  379.297993] R10: 0000000000000000 R11: ffff8801c2d96640 R12: 1ffff100385a6c45
[  379.305271] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  379.312566]  ? dump_stack+0x34f/0x39d
[  379.316388]  ? dump_stack_print_info.cold.1+0x20/0x20
[  379.321598]  ? mark_held_locks+0x130/0x130
[  379.325847]  ? mark_held_locks+0x130/0x130
[  379.330096]  dump_header+0x27b/0xf72
[  379.333836]  ? pagefault_out_of_memory+0x197/0x197
[  379.338787]  ? __lock_acquire+0x62f/0x4c20
[  379.343036]  ? percpu_ref_get_many+0x240/0x240
[  379.347637]  ? print_usage_bug+0xc0/0xc0
[  379.351716]  ? zap_class+0x640/0x640
[  379.355445]  ? print_usage_bug+0xc0/0xc0
[  379.359532]  ? print_usage_bug+0xc0/0xc0
[  379.363611]  ? zap_class+0x640/0x640
[  379.367340]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.372893]  ? find_held_lock+0x36/0x1c0
[  379.376978]  ? mark_held_locks+0xc7/0x130
[  379.381137]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  379.386251]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  379.391370]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  379.395963]  ? trace_hardirqs_on+0xbd/0x310
[  379.400297]  ? kasan_check_read+0x11/0x20
[  379.404455]  ? ___ratelimit+0x3b4/0x672
[  379.408445]  ? trace_hardirqs_off_caller+0x310/0x310
[  379.413565]  ? trace_hardirqs_on+0x310/0x310
[  379.417986]  ? lock_downgrade+0x900/0x900
[  379.422149]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  379.427268]  ? ___ratelimit+0x3b9/0x672
[  379.431254]  ? idr_get_free+0xf70/0xf70
[  379.435245]  ? find_held_lock+0x36/0x1c0
[  379.439330]  oom_kill_process.cold.27+0x10/0x903
[  379.444094]  ? zap_class+0x640/0x640
[  379.447819]  ? check_preemption_disabled+0x48/0x280
[  379.452848]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  379.457787]  ? kasan_check_read+0x11/0x20
[  379.461958]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  379.467247]  ? oom_evaluate_task+0x540/0x540
[  379.471672]  ? find_held_lock+0x36/0x1c0
[  379.475750]  ? out_of_memory+0x974/0x1430
[  379.479910]  ? lock_downgrade+0x900/0x900
[  379.484070]  ? check_preemption_disabled+0x48/0x280
[  379.489101]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  379.494056]  ? kasan_check_read+0x11/0x20
[  379.498212]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  379.503516]  ? rcu_softirq_qs+0x20/0x20
[  379.507524]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  379.513072]  ? oom_evaluate_task+0x302/0x540
[  379.517496]  out_of_memory+0xa84/0x1430
[  379.521525]  ? oom_killer_disable+0x3a0/0x3a0
[  379.526031]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  379.530975]  ? __ww_mutex_check_waiters+0x160/0x160
[  379.536060]  __alloc_pages_slowpath+0x2354/0x2e10
[  379.540955]  ? warn_alloc+0x120/0x120
[  379.544763]  ? mark_held_locks+0x130/0x130
[  379.549025]  ? find_get_entry+0xaae/0x1120
[  379.553281]  ? filemap_map_pages+0x1a20/0x1a20
[  379.557875]  ? zap_class+0x640/0x640
[  379.561603]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.567163]  ? check_preemption_disabled+0x48/0x280
[  379.572190]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  379.577737]  ? should_fail+0x22d/0xd01
[  379.581642]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  379.586761]  ? zap_class+0x640/0x640
[  379.590531]  ? __lock_is_held+0xb5/0x140
[  379.594616]  ? mark_held_locks+0x130/0x130
[  379.598864]  ? lock_release+0xa00/0xa00
[  379.602847]  ? perf_trace_sched_process_exec+0x860/0x860
[  379.608310]  ? xa_load+0x2ba/0x460
[  379.611865]  ? lock_downgrade+0x900/0x900
[  379.616032]  ? __might_sleep+0x95/0x190
[  379.620019]  __alloc_pages_nodemask+0xa80/0xde0
[  379.624705]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  379.629733]  ? __page_cache_alloc+0x191/0x5c0
[  379.634238]  ? xa_load+0x2e1/0x460
[  379.637795]  ? xa_clear_mark+0x40/0x40
[  379.641728]  ? zap_class+0x640/0x640
[  379.645460]  ? zap_class+0x640/0x640
[  379.649182]  ? zap_class+0x640/0x640
[  379.652919]  ? __do_page_cache_readahead+0x663/0x810
[  379.658050]  ? find_held_lock+0x36/0x1c0
[  379.662126]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  379.667712]  alloc_pages_current+0x173/0x350
[  379.672186]  __page_cache_alloc+0x38c/0x5c0
[  379.676534]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  379.681473]  ? kasan_check_read+0x11/0x20
[  379.685693]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  379.690984]  ? generic_perform_write+0x6a0/0x6a0
[  379.695750]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  379.701301]  ? check_preemption_disabled+0x48/0x280
[  379.706338]  filemap_fault+0x1595/0x25f0
[  379.710422]  ? __lock_page_or_retry+0xa00/0xa00
[  379.715114]  ? mark_held_locks+0x130/0x130
[  379.719399]  ? filemap_map_pages+0xd6b/0x1a20
[  379.723907]  ? lock_downgrade+0x900/0x900
[  379.728076]  ? check_preemption_disabled+0x48/0x280
[  379.733134]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  379.738086]  ? kasan_check_read+0x11/0x20
[  379.742246]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  379.747553]  ? rcu_softirq_qs+0x20/0x20
[  379.751564]  ? filemap_map_pages+0xd92/0x1a20
[  379.756081]  ? find_get_entries_tag+0x1400/0x1400
[  379.760933]  ? find_held_lock+0x36/0x1c0
[  379.765026]  ? lock_acquire+0x1ed/0x520
[  379.769010]  ? ext4_filemap_fault+0x7a/0xad
[  379.773349]  ? lock_release+0xa00/0xa00
[  379.777329]  ? perf_trace_sched_process_exec+0x860/0x860
[  379.782789]  ? print_usage_bug+0xc0/0xc0
[  379.786876]  ? down_read+0x8d/0x120
[  379.790530]  ? ext4_filemap_fault+0x7a/0xad
[  379.794863]  ? __down_interruptible+0x700/0x700
[  379.799556]  ? find_held_lock+0x36/0x1c0
[  379.803635]  ext4_filemap_fault+0x82/0xad
[  379.807796]  __do_fault+0x100/0x6b0
[  379.811435]  ? lock_downgrade+0x900/0x900
[  379.815593]  ? pmd_devmap_trans_unstable+0x220/0x220
[  379.820711]  ? kasan_check_read+0x11/0x20
[  379.824868]  ? do_raw_spin_unlock+0xa7/0x330
[  379.829290]  ? do_raw_spin_trylock+0x270/0x270
[  379.833904]  __handle_mm_fault+0x3ea0/0x5be0
[  379.838320]  ? perf_trace_lock+0x7a0/0x7a0
[  379.842574]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  379.847451]  ? zap_class+0x640/0x640
[  379.851175]  ? zap_class+0x640/0x640
[  379.854899]  ? __x64_sys_futex+0x53e/0x6a0
[  379.859146]  ? find_held_lock+0x36/0x1c0
[  379.863227]  ? handle_mm_fault+0x42a/0xc70
[  379.867476]  ? lock_downgrade+0x900/0x900
[  379.871647]  ? check_preemption_disabled+0x48/0x280
[  379.876674]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  379.881614]  ? kasan_check_read+0x11/0x20
[  379.885770]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  379.891057]  ? rcu_softirq_qs+0x20/0x20
[  379.895040]  ? trace_hardirqs_off_caller+0x310/0x310
[  379.900167]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  379.905718]  ? check_preemption_disabled+0x48/0x280
[  379.910750]  handle_mm_fault+0x54f/0xc70
[  379.914824]  ? __handle_mm_fault+0x5be0/0x5be0
[  379.919420]  ? find_vma+0x34/0x190
[  379.922979]  __do_page_fault+0x5e8/0xe60
[  379.927046]  ? trace_hardirqs_off+0xb8/0x310
[  379.931475]  ? kernel_write+0x120/0x120
[  379.935485]  do_page_fault+0xf2/0x7e0
[  379.939318]  ? vmalloc_sync_all+0x30/0x30
[  379.943476]  ? error_entry+0x70/0xd0
[  379.947219]  ? trace_hardirqs_off_caller+0xbb/0x310
[  379.952293]  ? trace_hardirqs_on_caller+0xc0/0x310
[  379.957235]  ? syscall_return_slowpath+0x5e0/0x5e0
[  379.962176]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  379.967027]  ? trace_hardirqs_on_caller+0x310/0x310
[  379.972051]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  379.977531]  ? prepare_exit_to_usermode+0x291/0x3b0
[  379.982607]  ? page_fault+0x8/0x30
[  379.986160]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  379.991014]  ? page_fault+0x8/0x30
[  379.994587]  page_fault+0x1e/0x30
[  379.998045] RIP: 0033:0x404068
[  380.001254] Code: Bad RIP value.
[  380.004629] RSP: 002b:000000c420024e48 EFLAGS: 00010206
[  380.010000] RAX: 000000c422dd4cc0 RBX: 000000c42875f801 RCX: 000000c424d31838
[  380.017277] RDX: 000000c422dd4cc0 RSI: 0000000000000001 RDI: 0000000000000001
[  380.024559] RBP: 000000c420024ed8 R08: 00007ffd3a9b40b0 R09: 00007ffd3a9b4080
[  380.031835] R10: 000000000000eacc R11: 0000000000000165 R12: 0000000000000001
[  380.039113] R13: 000000c4271c3620 R14: 0000000000000001 R15: 0000000000000000
[  380.046414] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #83
[  380.046478] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  380.053179] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  380.053184] Call Trace:
[  380.053203]  dump_stack+0x244/0x39d
[  380.053226]  ? dump_stack_print_info.cold.1+0x20/0x20
[  380.059761] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  380.069074]  warn_alloc.cold.116+0xb7/0x1bd
[  380.071638] syz-fuzzer cpuset=/ mems_allowed=0
[  380.075270]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  380.104399]  ? lock_downgrade+0x900/0x900
[  380.108565]  ? trace_hardirqs_off+0xb8/0x310
[  380.112989]  ? trace_hardirqs_off+0xb8/0x310
[  380.117416]  __alloc_pages_slowpath+0x26e8/0x2e10
[  380.122301]  ? warn_alloc+0x120/0x120
[  380.126114]  ? print_usage_bug+0xc0/0xc0
[  380.130184]  ? warn_alloc+0x120/0x120
[  380.134012]  ? warn_alloc+0x120/0x120
[  380.137841]  ? print_usage_bug+0xc0/0xc0
[  380.141949]  ? print_usage_bug+0xc0/0xc0
[  380.146054]  ? __lock_acquire+0x62f/0x4c20
[  380.150307]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  380.155854]  ? should_fail+0x22d/0xd01
[  380.159767]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  380.164880]  ? __lock_acquire+0x62f/0x4c20
[  380.169131]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  380.174244]  ? __lock_acquire+0x62f/0x4c20
[  380.178486]  ? should_fail+0x22d/0xd01
[  380.182403]  ? find_held_lock+0x36/0x1c0
[  380.186486]  ? mark_held_locks+0x130/0x130
[  380.190808]  ? mark_held_locks+0x130/0x130
[  380.195053]  ? zap_class+0x640/0x640
[  380.198785]  ? zap_class+0x640/0x640
[  380.202533]  ? print_usage_bug+0xc0/0xc0
[  380.206604]  ? do_raw_spin_unlock+0xa7/0x330
[  380.211021]  ? zap_class+0x640/0x640
[  380.214745]  ? print_usage_bug+0xc0/0xc0
[  380.218821]  ? wq_watchdog_touch+0x9c/0xfe
[  380.223068]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.228615]  ? check_preemption_disabled+0x48/0x280
[  380.233655]  ? __lock_is_held+0xb5/0x140
[  380.237734]  __alloc_pages_nodemask+0xa80/0xde0
[  380.242414]  ? zap_class+0x640/0x640
[  380.246140]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  380.251200]  ? find_held_lock+0x36/0x1c0
[  380.255280]  ? ____cache_alloc_node+0x1c7/0x1e0
[  380.259962]  ? lock_downgrade+0x900/0x900
[  380.264124]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.269678]  cache_grow_begin+0xa5/0x8c0
[  380.273750]  ? do_raw_spin_unlock+0xa7/0x330
[  380.278180]  fallback_alloc+0x204/0x2e0
[  380.282169]  ____cache_alloc_node+0x1c7/0x1e0
[  380.286681]  kmem_cache_alloc_node+0xe3/0x730
[  380.291186]  ? ipv6_get_ifaddr+0x42e/0x620
[  380.295441]  __alloc_skb+0x119/0x770
[  380.299175]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  380.304468]  ? netdev_alloc_frag+0x1f0/0x1f0
[  380.308902]  ? lock_downgrade+0x900/0x900
[  380.313064]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.318616]  ? refcount_sub_and_test_checked+0x203/0x310
[  380.324084]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  380.329576]  ? addrconf_rs_timer+0x690/0x690
[  380.334008]  ndisc_alloc_skb+0x144/0x340
[  380.338082]  ndisc_send_rs+0x331/0x6e0
[  380.341983]  addrconf_rs_timer+0x314/0x690
[  380.346238]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.350493]  call_timer_fn+0x272/0x920
[  380.354409]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.358652]  ? process_timeout+0x40/0x40
[  380.362730]  ? __run_timers+0x7da/0xc70
[  380.366719]  ? _raw_spin_unlock_irq+0x27/0x80
[  380.371224]  ? _raw_spin_unlock_irq+0x27/0x80
[  380.375725]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.379968]  ? lockdep_hardirqs_on+0x296/0x5b0
[  380.384561]  ? trace_hardirqs_on+0xbd/0x310
[  380.388910]  ? kasan_check_read+0x11/0x20
[  380.393062]  ? __run_timers+0x7da/0xc70
[  380.397044]  ? trace_hardirqs_off_caller+0x310/0x310
[  380.402163]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.406414]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.410655]  __run_timers+0x7e5/0xc70
[  380.414473]  ? timer_fixup_init+0x70/0x70
[  380.418648]  ? _raw_spin_unlock_irq+0x27/0x80
[  380.423151]  ? _raw_spin_unlock_irq+0x27/0x80
[  380.427658]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  380.432250]  ? trace_hardirqs_on+0xbd/0x310
[  380.436580]  ? kasan_check_read+0x11/0x20
[  380.440742]  ? finish_task_switch+0x1f4/0x910
[  380.445257]  ? trace_hardirqs_off_caller+0x310/0x310
[  380.450368]  ? compat_start_thread+0x80/0x80
[  380.454812]  ? pvclock_read_flags+0x160/0x160
[  380.459313]  ? __switch_to_asm+0x34/0x70
[  380.463384]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.468932]  ? check_preemption_disabled+0x48/0x280
[  380.474016]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  380.479569]  ? rcu_pm_notify+0xc0/0xc0
[  380.483465]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.489015]  ? check_preemption_disabled+0x48/0x280
[  380.494048]  run_timer_softirq+0x52/0xb0
[  380.498119]  ? rcu_read_lock_sched_held+0x14f/0x180
[  380.503180]  __do_softirq+0x308/0xb7e
[  380.507000]  ? trace_hardirqs_on_caller+0xc0/0x310
[  380.511945]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  380.517055]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  380.522537]  ? schedule+0x108/0x460
[  380.526187]  ? trace_hardirqs_off+0xb8/0x310
[  380.530607]  ? smpboot_thread_fn+0x68b/0xa00
[  380.535025]  ? trace_hardirqs_on+0x310/0x310
[  380.539443]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  380.544988]  ? check_preemption_disabled+0x48/0x280
[  380.550015]  ? takeover_tasklets+0xa90/0xa90
[  380.554435]  run_ksoftirqd+0x5e/0x100
[  380.558249]  smpboot_thread_fn+0x68b/0xa00
[  380.562498]  ? sort_range+0x30/0x30
[  380.566178]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  380.571292]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  380.576843]  ? __kthread_parkme+0xfb/0x1a0
[  380.581090]  ? sort_range+0x30/0x30
[  380.584726]  kthread+0x35a/0x440
[  380.588108]  ? kthread_stop+0x900/0x900
[  380.592092]  ret_from_fork+0x3a/0x50
[  380.595852] CPU: 1 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  380.595857] warn_alloc_show_mem: 1 callbacks suppressed
[  380.595864] Mem-Info:
[  380.602793] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  380.608196] active_anon:44321 inactive_anon:2061 isolated_anon:0
[  380.608196]  active_file:14 inactive_file:14 isolated_file:0
[  380.608196]  unevictable:0 dirty:0 writeback:0 unstable:0
[  380.608196]  slab_reclaimable:9437 slab_unreclaimable:1460937
[  380.608196]  mapped:49154 shmem:2105 pagetables:642 bounce:0
[  380.608196]  free:13638 free_pcp:328 free_cma:0
[  380.610575] Call Trace:
[  380.620246] Node 0 active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8420kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  380.653269]  <IRQ>
[  380.655847] 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
[  380.683433]  dump_stack+0x244/0x39d
[  380.685569] lowmem_reserve[]: 0 2818 6321 6321
[  380.711683]  ? dump_stack_print_info.cold.1+0x20/0x20
[  380.715293] Node 0 DMA32 free:24708kB 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
[  380.719879]  warn_alloc.cold.116+0xb7/0x1bd
[  380.725042] lowmem_reserve[]: 0 0 3503 3503
[  380.753002]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  380.757310] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2568kB bounce:0kB free_pcp:1064kB local_pcp:692kB free_cma:0kB
[  380.761636]  ? lock_downgrade+0x900/0x900
[  380.766461] lowmem_reserve[]: 0 0 0 0
[  380.795552]  ? trace_hardirqs_off+0xb8/0x310
[  380.799684] 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
[  380.803494]  ? trace_hardirqs_off+0xb8/0x310
[  380.807895] Node 0 DMA32: 5*4kB (UM) 2*8kB (MH) 2*16kB (MH) 4*32kB (MH) 3*64kB (M) 2*128kB (M) 4*256kB (UMH) 3*512kB (UM) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24708kB
[  380.821423]  __alloc_pages_slowpath+0x26e8/0x2e10
[  380.825818] Node 0 Normal: 930*4kB (MEH) 535*8kB (UMEH) 215*16kB (UME) 80*32kB (UMH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  380.841365]  ? warn_alloc+0x120/0x120
[  380.846183] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  380.859961]  ? print_usage_bug+0xc0/0xc0
[  380.863749] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  380.872579]  ? warn_alloc+0x120/0x120
[  380.876624] 2133 total pagecache pages
[  380.885218]  ? warn_alloc+0x120/0x120
[  380.889009] 0 pages in swap cache
[  380.892895]  ? print_usage_bug+0xc0/0xc0
[  380.896685] Swap cache stats: add 0, delete 0, find 0/0
[  380.900134]  ? print_usage_bug+0xc0/0xc0
[  380.904192] Free swap  = 0kB
[  380.909559]  ? __lock_acquire+0x62f/0x4c20
[  380.913622] Total swap = 0kB
[  380.916645]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  380.920864] 1965979 pages RAM
[  380.923900]  ? should_fail+0x22d/0xd01
[  380.929422] 0 pages HighMem/MovableOnly
[  380.932552]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  380.936422] 342853 pages reserved
[  380.940401]  ? __lock_acquire+0x62f/0x4c20
[  380.945490] 0 pages cma reserved
[  380.948964]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  380.953243] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  380.956553]  ? __lock_acquire+0x62f/0x4c20
[  380.956570]  ? should_fail+0x22d/0xd01
[  380.961986] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  380.968147]  ? find_held_lock+0x36/0x1c0
[  380.968171]  ? mark_held_locks+0x130/0x130
[  380.972576] ksoftirqd/0 cpuset=/ mems_allowed=0
[  380.976469]  ? mark_held_locks+0x130/0x130
[  380.976486]  ? zap_class+0x640/0x640
[  381.007809]  ? zap_class+0x640/0x640
[  381.011552]  ? print_usage_bug+0xc0/0xc0
[  381.015620]  ? do_raw_spin_unlock+0xa7/0x330
[  381.020038]  ? zap_class+0x640/0x640
[  381.023760]  ? print_usage_bug+0xc0/0xc0
[  381.027829]  ? wq_watchdog_touch+0x9c/0xfe
[  381.032078]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.037629]  ? check_preemption_disabled+0x48/0x280
[  381.042666]  ? __lock_is_held+0xb5/0x140
[  381.046741]  __alloc_pages_nodemask+0xa80/0xde0
[  381.051419]  ? zap_class+0x640/0x640
[  381.055150]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  381.060190]  ? find_held_lock+0x36/0x1c0
[  381.064280]  ? ____cache_alloc_node+0x1c7/0x1e0
[  381.068964]  ? lock_downgrade+0x900/0x900
[  381.073129]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.078681]  cache_grow_begin+0xa5/0x8c0
[  381.082751]  ? do_raw_spin_unlock+0xa7/0x330
[  381.087175]  fallback_alloc+0x204/0x2e0
[  381.091167]  ____cache_alloc_node+0x1c7/0x1e0
[  381.095678]  kmem_cache_alloc_node+0xe3/0x730
[  381.100184]  ? ipv6_get_ifaddr+0x42e/0x620
[  381.104443]  __alloc_skb+0x119/0x770
[  381.108165]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  381.113460]  ? netdev_alloc_frag+0x1f0/0x1f0
[  381.117878]  ? lock_downgrade+0x900/0x900
[  381.122042]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.127594]  ? refcount_sub_and_test_checked+0x203/0x310
[  381.133059]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  381.138539]  ? addrconf_rs_timer+0x690/0x690
[  381.142971]  ndisc_alloc_skb+0x144/0x340
[  381.147051]  ndisc_send_rs+0x331/0x6e0
[  381.150955]  addrconf_rs_timer+0x314/0x690
[  381.155205]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  381.159458]  call_timer_fn+0x272/0x920
[  381.163357]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  381.167603]  ? process_timeout+0x40/0x40
[  381.171683]  ? mark_held_locks+0xc7/0x130
[  381.175840]  ? _raw_spin_unlock_irq+0x27/0x80
[  381.180341]  ? _raw_spin_unlock_irq+0x27/0x80
[  381.184844]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  381.189089]  ? lockdep_hardirqs_on+0x296/0x5b0
[  381.193681]  ? trace_hardirqs_on+0xbd/0x310
[  381.198013]  ? kasan_check_read+0x11/0x20
[  381.202168]  ? __run_timers+0x7da/0xc70
[  381.206152]  ? trace_hardirqs_off_caller+0x310/0x310
[  381.211273]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  381.215540]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  381.219783]  __run_timers+0x7e5/0xc70
[  381.223619]  ? timer_fixup_init+0x70/0x70
[  381.227781]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  381.232812]  ? zap_class+0x640/0x640
[  381.236566]  ? print_usage_bug+0xc0/0xc0
[  381.240640]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  381.245845]  ? find_held_lock+0x36/0x1c0
[  381.249922]  ? zap_class+0x640/0x640
[  381.253649]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.259197]  ? check_preemption_disabled+0x48/0x280
[  381.264232]  ? __lock_is_held+0xb5/0x140
[  381.268310]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.273860]  ? check_preemption_disabled+0x48/0x280
[  381.278889]  run_timer_softirq+0x52/0xb0
[  381.282957]  ? rcu_read_lock_sched_held+0x14f/0x180
[  381.287985]  __do_softirq+0x308/0xb7e
[  381.291798]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  381.296302]  ? lock_downgrade+0x900/0x900
[  381.300466]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  381.305607]  ? pvclock_read_flags+0x160/0x160
[  381.310113]  ? lapic_next_event+0x5a/0x90
[  381.314324]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.319876]  ? kvm_clock_read+0x18/0x30
[  381.323856]  ? kvm_sched_clock_read+0x9/0x20
[  381.328283]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.333831]  ? check_preemption_disabled+0x48/0x280
[  381.338929]  irq_exit+0x17f/0x1c0
[  381.342390]  smp_apic_timer_interrupt+0x1cb/0x760
[  381.347244]  ? smp_reschedule_interrupt+0x109/0x650
[  381.352279]  ? smp_call_function_single_interrupt+0x650/0x650
[  381.358172]  ? interrupt_entry+0xb5/0xc0
[  381.362244]  ? trace_hardirqs_off_caller+0xbb/0x310
[  381.367279]  ? trace_hardirqs_off_caller+0xbb/0x310
[  381.372306]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  381.377159]  ? trace_hardirqs_on_caller+0x310/0x310
[  381.382182]  ? trace_hardirqs_on_caller+0x310/0x310
[  381.387209]  ? task_prio+0x50/0x50
[  381.390760]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.396325]  ? check_preemption_disabled+0x48/0x280
[  381.401357]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  381.406217]  apic_timer_interrupt+0xf/0x20
[  381.410453]  </IRQ>
[  381.412700] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  381.417900] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec
[  381.436807] RSP: 0018:ffff8801c2d36100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  381.444540] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100385b2de6
[  381.451866] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c2d96ebc
[  381.459144] RBP: ffff8801c2d36128 R08: ffff8801c2d96f30 R09: 0000000000000006
[  381.466423] R10: 0000000000000000 R11: ffff8801c2d96640 R12: dffffc0000000000
[  381.473698] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  381.481001]  retint_kernel+0x1b/0x2d
[  381.484730] RIP: 0010:dump_stack+0x358/0x39d
[  381.489148] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  381.508051] RSP: 0018:ffff8801c2d361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  381.515765] RAX: ffff8801c2d96640 RBX: 1ffffffff12a3f76 RCX: 1ffff100385b2de6
[  381.523043] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  381.530317] RBP: ffff8801c2d36290 R08: ffff8801c2d96f30 R09: 0000000000000006
[  381.537595] R10: 0000000000000000 R11: ffff8801c2d96640 R12: 1ffff100385a6c45
[  381.544870] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  381.552178]  ? dump_stack+0x34f/0x39d
[  381.556011]  ? dump_stack_print_info.cold.1+0x20/0x20
[  381.561219]  ? mark_held_locks+0x130/0x130
[  381.565462]  ? mark_held_locks+0x130/0x130
[  381.569715]  dump_header+0x27b/0xf72
[  381.573451]  ? pagefault_out_of_memory+0x197/0x197
[  381.578396]  ? __lock_acquire+0x62f/0x4c20
[  381.582646]  ? percpu_ref_get_many+0x240/0x240
[  381.587244]  ? print_usage_bug+0xc0/0xc0
[  381.591328]  ? zap_class+0x640/0x640
[  381.595054]  ? print_usage_bug+0xc0/0xc0
[  381.599121]  ? print_usage_bug+0xc0/0xc0
[  381.603211]  ? zap_class+0x640/0x640
[  381.606939]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.612492]  ? find_held_lock+0x36/0x1c0
[  381.616593]  ? mark_held_locks+0xc7/0x130
[  381.620752]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  381.625866]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  381.630978]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  381.635572]  ? trace_hardirqs_on+0xbd/0x310
[  381.639902]  ? kasan_check_read+0x11/0x20
[  381.644056]  ? ___ratelimit+0x3b4/0x672
[  381.648041]  ? trace_hardirqs_off_caller+0x310/0x310
[  381.653159]  ? trace_hardirqs_on+0x310/0x310
[  381.657580]  ? lock_downgrade+0x900/0x900
[  381.661737]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  381.666869]  ? ___ratelimit+0x3b9/0x672
[  381.670845]  ? idr_get_free+0xf70/0xf70
[  381.674843]  ? find_held_lock+0x36/0x1c0
[  381.678928]  oom_kill_process.cold.27+0x10/0x903
[  381.683679]  ? zap_class+0x640/0x640
[  381.687386]  ? check_preemption_disabled+0x48/0x280
[  381.692400]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  381.697321]  ? kasan_check_read+0x11/0x20
[  381.701460]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  381.706734]  ? oom_evaluate_task+0x540/0x540
[  381.711164]  ? find_held_lock+0x36/0x1c0
[  381.715232]  ? out_of_memory+0x974/0x1430
[  381.719397]  ? lock_downgrade+0x900/0x900
[  381.723548]  ? check_preemption_disabled+0x48/0x280
[  381.728584]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  381.733531]  ? kasan_check_read+0x11/0x20
[  381.737679]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  381.742959]  ? rcu_softirq_qs+0x20/0x20
[  381.746957]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  381.752498]  ? oom_evaluate_task+0x302/0x540
[  381.756925]  out_of_memory+0xa84/0x1430
[  381.760913]  ? oom_killer_disable+0x3a0/0x3a0
[  381.765408]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  381.770349]  ? __ww_mutex_check_waiters+0x160/0x160
[  381.775397]  __alloc_pages_slowpath+0x2354/0x2e10
[  381.780296]  ? warn_alloc+0x120/0x120
[  381.784127]  ? mark_held_locks+0x130/0x130
[  381.788368]  ? find_get_entry+0xaae/0x1120
[  381.792613]  ? filemap_map_pages+0x1a20/0x1a20
[  381.797201]  ? zap_class+0x640/0x640
[  381.800940]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.806482]  ? check_preemption_disabled+0x48/0x280
[  381.811515]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  381.817056]  ? should_fail+0x22d/0xd01
[  381.820951]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  381.826055]  ? zap_class+0x640/0x640
[  381.829797]  ? __lock_is_held+0xb5/0x140
[  381.833866]  ? mark_held_locks+0x130/0x130
[  381.838106]  ? lock_release+0xa00/0xa00
[  381.842095]  ? perf_trace_sched_process_exec+0x860/0x860
[  381.847565]  ? xa_load+0x2ba/0x460
[  381.851114]  ? lock_downgrade+0x900/0x900
[  381.855288]  ? __might_sleep+0x95/0x190
[  381.859272]  __alloc_pages_nodemask+0xa80/0xde0
[  381.863950]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  381.868985]  ? __page_cache_alloc+0x191/0x5c0
[  381.873484]  ? xa_load+0x2e1/0x460
[  381.877032]  ? xa_clear_mark+0x40/0x40
[  381.880928]  ? zap_class+0x640/0x640
[  381.884670]  ? zap_class+0x640/0x640
[  381.888991]  ? zap_class+0x640/0x640
[  381.892708]  ? __do_page_cache_readahead+0x663/0x810
[  381.897817]  ? find_held_lock+0x36/0x1c0
[  381.901899]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  381.907443]  alloc_pages_current+0x173/0x350
[  381.911877]  __page_cache_alloc+0x38c/0x5c0
[  381.916216]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  381.921157]  ? kasan_check_read+0x11/0x20
[  381.925307]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  381.930624]  ? generic_perform_write+0x6a0/0x6a0
[  381.935377]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  381.940910]  ? check_preemption_disabled+0x48/0x280
[  381.945949]  filemap_fault+0x1595/0x25f0
[  381.950075]  ? __lock_page_or_retry+0xa00/0xa00
[  381.954758]  ? mark_held_locks+0x130/0x130
[  381.958997]  ? filemap_map_pages+0xd6b/0x1a20
[  381.963512]  ? lock_downgrade+0x900/0x900
[  381.967656]  ? check_preemption_disabled+0x48/0x280
[  381.972685]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  381.977646]  ? kasan_check_read+0x11/0x20
[  381.981797]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  381.987082]  ? rcu_softirq_qs+0x20/0x20
[  381.991093]  ? filemap_map_pages+0xd92/0x1a20
[  381.995591]  ? find_get_entries_tag+0x1400/0x1400
[  382.000422]  ? find_held_lock+0x36/0x1c0
[  382.004524]  ? lock_acquire+0x1ed/0x520
[  382.008519]  ? ext4_filemap_fault+0x7a/0xad
[  382.012838]  ? lock_release+0xa00/0xa00
[  382.016817]  ? perf_trace_sched_process_exec+0x860/0x860
[  382.022291]  ? print_usage_bug+0xc0/0xc0
[  382.026394]  ? down_read+0x8d/0x120
[  382.030060]  ? ext4_filemap_fault+0x7a/0xad
[  382.034433]  ? __down_interruptible+0x700/0x700
[  382.039118]  ? find_held_lock+0x36/0x1c0
[  382.043239]  ext4_filemap_fault+0x82/0xad
[  382.047386]  __do_fault+0x100/0x6b0
[  382.051011]  ? lock_downgrade+0x900/0x900
[  382.055207]  ? pmd_devmap_trans_unstable+0x220/0x220
[  382.060307]  ? kasan_check_read+0x11/0x20
[  382.064463]  ? do_raw_spin_unlock+0xa7/0x330
[  382.068896]  ? do_raw_spin_trylock+0x270/0x270
[  382.073483]  __handle_mm_fault+0x3ea0/0x5be0
[  382.077901]  ? perf_trace_lock+0x7a0/0x7a0
[  382.082132]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  382.087018]  ? zap_class+0x640/0x640
[  382.090738]  ? zap_class+0x640/0x640
[  382.094445]  ? __x64_sys_futex+0x53e/0x6a0
[  382.098675]  ? find_held_lock+0x36/0x1c0
[  382.102736]  ? handle_mm_fault+0x42a/0xc70
[  382.107012]  ? lock_downgrade+0x900/0x900
[  382.111168]  ? check_preemption_disabled+0x48/0x280
[  382.116227]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  382.121158]  ? kasan_check_read+0x11/0x20
[  382.125323]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  382.130591]  ? rcu_softirq_qs+0x20/0x20
[  382.134555]  ? trace_hardirqs_off_caller+0x310/0x310
[  382.139649]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  382.145195]  ? check_preemption_disabled+0x48/0x280
[  382.150213]  handle_mm_fault+0x54f/0xc70
[  382.154321]  ? __handle_mm_fault+0x5be0/0x5be0
[  382.158900]  ? find_vma+0x34/0x190
[  382.162437]  __do_page_fault+0x5e8/0xe60
[  382.166507]  ? trace_hardirqs_off+0xb8/0x310
[  382.170912]  ? kernel_write+0x120/0x120
[  382.174889]  do_page_fault+0xf2/0x7e0
[  382.178684]  ? vmalloc_sync_all+0x30/0x30
[  382.182833]  ? error_entry+0x70/0xd0
[  382.186605]  ? trace_hardirqs_off_caller+0xbb/0x310
[  382.191617]  ? trace_hardirqs_on_caller+0xc0/0x310
[  382.196567]  ? syscall_return_slowpath+0x5e0/0x5e0
[  382.201508]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  382.206346]  ? trace_hardirqs_on_caller+0x310/0x310
[  382.211361]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  382.216826]  ? prepare_exit_to_usermode+0x291/0x3b0
[  382.221885]  ? page_fault+0x8/0x30
[  382.225441]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  382.230300]  ? page_fault+0x8/0x30
[  382.233836]  page_fault+0x1e/0x30
[  382.237286] RIP: 0033:0x404068
[  382.240499] Code: Bad RIP value.
[  382.243863] RSP: 002b:000000c420024e48 EFLAGS: 00010206
[  382.249217] RAX: 000000c422dd4cc0 RBX: 000000c42875f801 RCX: 000000c424d31838
[  382.256495] RDX: 000000c422dd4cc0 RSI: 0000000000000001 RDI: 0000000000000001
[  382.263798] RBP: 000000c420024ed8 R08: 00007ffd3a9b40b0 R09: 00007ffd3a9b4080
[  382.271057] R10: 000000000000eacc R11: 0000000000000165 R12: 0000000000000001
[  382.278317] R13: 000000c4271c3620 R14: 0000000000000001 R15: 0000000000000000
[  382.285614] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #83
[  382.285691] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  382.292379] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  382.292387] Call Trace:
[  382.298995] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  382.308230]  dump_stack+0x244/0x39d
[  382.310802] syz-fuzzer cpuset=/ mems_allowed=0
[  382.321027]  ? dump_stack_print_info.cold.1+0x20/0x20
[  382.334380]  warn_alloc.cold.116+0xb7/0x1bd
[  382.338696]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  382.343535]  ? lock_downgrade+0x900/0x900
[  382.347706]  ? trace_hardirqs_off+0xb8/0x310
[  382.352138]  ? trace_hardirqs_off+0xb8/0x310
[  382.356548]  __alloc_pages_slowpath+0x26e8/0x2e10
[  382.361408]  ? warn_alloc+0x120/0x120
[  382.365206]  ? warn_alloc+0x120/0x120
[  382.369000]  ? __bfs+0xb0/0x780
[  382.372272]  ? warn_alloc+0x120/0x120
[  382.376067]  ? print_usage_bug+0xc0/0xc0
[  382.380139]  ? lockdep_on+0x50/0x50
[  382.383786]  ? print_bfs_bug+0x80/0x80
[  382.387678]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  382.393223]  ? should_fail+0x22d/0xd01
[  382.397118]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  382.402214]  ? __lock_acquire+0x62f/0x4c20
[  382.406463]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  382.411559]  ? __lock_acquire+0x2aff/0x4c20
[  382.415870]  ? should_fail+0x22d/0xd01
[  382.419758]  ? mark_held_locks+0x130/0x130
[  382.424017]  ? mark_held_locks+0x130/0x130
[  382.428280]  ? zap_class+0x640/0x640
[  382.431989]  ? zap_class+0x640/0x640
[  382.435699]  ? trace_event_raw_event_lock_acquire+0x440/0x440
[  382.441585]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.447150]  ? check_preemption_disabled+0x48/0x280
[  382.452169]  ? __lock_is_held+0xb5/0x140
[  382.456239]  __alloc_pages_nodemask+0xa80/0xde0
[  382.460901]  ? zap_class+0x640/0x640
[  382.464612]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  382.469634]  ? find_held_lock+0x36/0x1c0
[  382.473701]  ? ____cache_alloc_node+0x1c7/0x1e0
[  382.478366]  ? lock_downgrade+0x900/0x900
[  382.482518]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.488083]  cache_grow_begin+0xa5/0x8c0
[  382.492143]  ? do_raw_spin_unlock+0xa7/0x330
[  382.496560]  fallback_alloc+0x204/0x2e0
[  382.500545]  ____cache_alloc_node+0x1c7/0x1e0
[  382.505060]  kmem_cache_alloc_node+0xe3/0x730
[  382.509568]  ? mark_held_locks+0xc7/0x130
[  382.513717]  __alloc_skb+0x119/0x770
[  382.517448]  ? netdev_alloc_frag+0x1f0/0x1f0
[  382.521881]  ? do_raw_spin_trylock+0x270/0x270
[  382.526465]  ? kmem_cache_alloc_trace+0x353/0x750
[  382.531376]  ? queue_work_on+0x12c/0x1e0
[  382.535496]  ? switchdev_port_obj_del+0xdc/0x440
[  382.540257]  ? switchdev_trans_item_enqueue+0x260/0x260
[  382.545674]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  382.550713]  __br_mdb_notify+0x4ff/0x15d0
[  382.554856]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  382.559985]  ? __br_mdb_add+0x7f0/0x7f0
[  382.564009]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  382.569133]  ? debug_object_assert_init+0x368/0x4b0
[  382.574163]  ? debug_object_init_on_stack+0x20/0x20
[  382.579205]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.584755]  br_mdb_notify+0x310/0x410
[  382.588642]  ? br_mdb_dump+0x27b0/0x27b0
[  382.592743]  br_multicast_del_pg+0x3df/0x790
[  382.597177]  ? br_mdb_ip_get+0x940/0x940
[  382.601233]  ? rwlock_bug.part.2+0x90/0x90
[  382.605464]  ? __lock_is_held+0xb5/0x140
[  382.609537]  br_multicast_port_group_expired+0x189/0x1e0
[  382.614998]  call_timer_fn+0x272/0x920
[  382.618904]  ? br_multicast_del_pg+0x790/0x790
[  382.623767]  ? process_timeout+0x40/0x40
[  382.627826]  ? __run_timers+0x7da/0xc70
[  382.631794]  ? _raw_spin_unlock_irq+0x27/0x80
[  382.636274]  ? _raw_spin_unlock_irq+0x27/0x80
[  382.640780]  ? br_multicast_del_pg+0x790/0x790
[  382.645371]  ? lockdep_hardirqs_on+0x296/0x5b0
[  382.649946]  ? trace_hardirqs_on+0xbd/0x310
[  382.654281]  ? kasan_check_read+0x11/0x20
[  382.658418]  ? __run_timers+0x7da/0xc70
[  382.662383]  ? trace_hardirqs_off_caller+0x310/0x310
[  382.667478]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.671755]  ? br_multicast_del_pg+0x790/0x790
[  382.676330]  __run_timers+0x7e5/0xc70
[  382.680132]  ? timer_fixup_init+0x70/0x70
[  382.684310]  ? _raw_spin_unlock_irq+0x27/0x80
[  382.688811]  ? _raw_spin_unlock_irq+0x27/0x80
[  382.693299]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  382.697872]  ? trace_hardirqs_on+0xbd/0x310
[  382.702183]  ? kasan_check_read+0x11/0x20
[  382.706361]  ? finish_task_switch+0x1f4/0x910
[  382.710855]  ? trace_hardirqs_off_caller+0x310/0x310
[  382.715951]  ? compat_start_thread+0x80/0x80
[  382.720365]  ? pvclock_read_flags+0x160/0x160
[  382.724851]  ? __switch_to_asm+0x34/0x70
[  382.728941]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.734488]  ? check_preemption_disabled+0x48/0x280
[  382.739579]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  382.745151]  ? rcu_pm_notify+0xc0/0xc0
[  382.749037]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.754620]  ? check_preemption_disabled+0x48/0x280
[  382.759675]  run_timer_softirq+0x52/0xb0
[  382.763733]  ? rcu_read_lock_sched_held+0x14f/0x180
[  382.768769]  __do_softirq+0x308/0xb7e
[  382.772571]  ? trace_hardirqs_on_caller+0xc0/0x310
[  382.777516]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  382.782611]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  382.788063]  ? schedule+0x108/0x460
[  382.791696]  ? trace_hardirqs_off+0xb8/0x310
[  382.796119]  ? smpboot_thread_fn+0x68b/0xa00
[  382.800539]  ? trace_hardirqs_on+0x310/0x310
[  382.804942]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  382.810470]  ? check_preemption_disabled+0x48/0x280
[  382.815480]  ? takeover_tasklets+0xa90/0xa90
[  382.819935]  run_ksoftirqd+0x5e/0x100
[  382.823751]  smpboot_thread_fn+0x68b/0xa00
[  382.828030]  ? sort_range+0x30/0x30
[  382.831676]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  382.836801]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  382.842343]  ? __kthread_parkme+0xfb/0x1a0
[  382.846603]  ? sort_range+0x30/0x30
[  382.850243]  kthread+0x35a/0x440
[  382.853604]  ? kthread_stop+0x900/0x900
[  382.857571]  ret_from_fork+0x3a/0x50
[  382.861336] CPU: 1 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  382.861355] warn_alloc_show_mem: 1 callbacks suppressed
[  382.861358] Mem-Info:
[  382.868259] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  382.873618] active_anon:44321 inactive_anon:2061 isolated_anon:0
[  382.873618]  active_file:14 inactive_file:14 isolated_file:0
[  382.873618]  unevictable:0 dirty:0 writeback:0 unstable:0
[  382.873618]  slab_reclaimable:9437 slab_unreclaimable:1460937
[  382.873618]  mapped:49154 shmem:2105 pagetables:642 bounce:0
[  382.873618]  free:13638 free_pcp:328 free_cma:0
[  382.876001] Call Trace:
[  382.885380] Node 0 active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8420kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  382.918391]  <IRQ>
[  382.920968] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  382.948556]  dump_stack+0x244/0x39d
[  382.950678] lowmem_reserve[]: 0 2818 6321 6321
[  382.976779]  ? dump_stack_print_info.cold.1+0x20/0x20
[  382.980378] Node 0 DMA32 free:24708kB 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
[  382.984969]  warn_alloc.cold.116+0xb7/0x1bd
[  382.990121] lowmem_reserve[]: 0 0 3503 3503
[  383.017613]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  383.021904] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2568kB bounce:0kB free_pcp:1064kB local_pcp:692kB free_cma:0kB
[  383.026235]  ? lock_downgrade+0x900/0x900
[  383.031050] lowmem_reserve[]: 0 0 0 0
[  383.060122]  ? trace_hardirqs_off+0xb8/0x310
[  383.064238] 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
[  383.068044]  ? trace_hardirqs_off+0xb8/0x310
[  383.072436] Node 0 DMA32: 5*4kB (UM) 2*8kB (MH) 2*16kB (MH) 4*32kB (MH) 3*64kB (M) 2*128kB (M) 4*256kB (UMH) 3*512kB (UM) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24708kB
[  383.085973]  __alloc_pages_slowpath+0x26e8/0x2e10
[  383.090351] Node 0 Normal: 930*4kB (MEH) 535*8kB (UMEH) 215*16kB (UME) 80*32kB (UMH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  383.105873]  ? warn_alloc+0x120/0x120
[  383.110700] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  383.124462]  ? print_usage_bug+0xc0/0xc0
[  383.128265] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  383.137083]  ? warn_alloc+0x120/0x120
[  383.141115] 2133 total pagecache pages
[  383.149676]  ? warn_alloc+0x120/0x120
[  383.153452] 0 pages in swap cache
[  383.157345]  ? print_usage_bug+0xc0/0xc0
[  383.161136] Swap cache stats: add 0, delete 0, find 0/0
[  383.164576]  ? kvm_clock_read+0x18/0x30
[  383.168606] Free swap  = 0kB
[  383.173972]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  383.177947] Total swap = 0kB
[  383.180959]  ? print_usage_bug+0xc0/0xc0
[  383.185952] 1965979 pages RAM
[  383.188980]  ? __lock_acquire+0x62f/0x4c20
[  383.193032] 0 pages HighMem/MovableOnly
[  383.196132]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  383.200342] 342853 pages reserved
[  383.204310]  ? should_fail+0x22d/0xd01
[  383.209824] 0 pages cma reserved
[  383.213277]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  383.218024] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  383.220499]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  383.225770] ksoftirqd/0 cpuset=/ mems_allowed=0
[  383.236072]  ? __lock_acquire+0x62f/0x4c20
[  383.250033]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  383.255141]  ? __lock_acquire+0x62f/0x4c20
[  383.259377]  ? should_fail+0x22d/0xd01
[  383.263261]  ? rcu_irq_exit+0x1a2/0x390
[  383.267261]  ? mark_held_locks+0x130/0x130
[  383.271518]  ? mark_held_locks+0x130/0x130
[  383.275765]  ? mark_held_locks+0xc7/0x130
[  383.279926]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  383.284978]  ? zap_class+0x640/0x640
[  383.288696]  ? print_usage_bug+0xc0/0xc0
[  383.292762]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.298311]  ? check_preemption_disabled+0x48/0x280
[  383.303338]  ? __lock_is_held+0xb5/0x140
[  383.307409]  __alloc_pages_nodemask+0xa80/0xde0
[  383.312078]  ? zap_class+0x640/0x640
[  383.315799]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  383.320843]  ? find_held_lock+0x36/0x1c0
[  383.324918]  ? ____cache_alloc_node+0x1c7/0x1e0
[  383.329591]  ? lock_downgrade+0x900/0x900
[  383.333751]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.339299]  cache_grow_begin+0xa5/0x8c0
[  383.343359]  ? do_raw_spin_unlock+0xa7/0x330
[  383.347775]  fallback_alloc+0x204/0x2e0
[  383.351761]  ____cache_alloc_node+0x1c7/0x1e0
[  383.356287]  kmem_cache_alloc_node+0xe3/0x730
[  383.360784]  ? ipv6_get_ifaddr+0x42e/0x620
[  383.365047]  __alloc_skb+0x119/0x770
[  383.368759]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  383.374072]  ? netdev_alloc_frag+0x1f0/0x1f0
[  383.378482]  ? lock_downgrade+0x900/0x900
[  383.382642]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.388177]  ? refcount_sub_and_test_checked+0x203/0x310
[  383.393642]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  383.399090]  ? addrconf_rs_timer+0x690/0x690
[  383.403526]  ndisc_alloc_skb+0x144/0x340
[  383.407589]  ndisc_send_rs+0x331/0x6e0
[  383.411476]  addrconf_rs_timer+0x314/0x690
[  383.415716]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.419956]  call_timer_fn+0x272/0x920
[  383.423865]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.428100]  ? process_timeout+0x40/0x40
[  383.432212]  ? mark_held_locks+0xc7/0x130
[  383.436357]  ? _raw_spin_unlock_irq+0x27/0x80
[  383.440881]  ? _raw_spin_unlock_irq+0x27/0x80
[  383.445384]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.449633]  ? lockdep_hardirqs_on+0x296/0x5b0
[  383.454230]  ? trace_hardirqs_on+0xbd/0x310
[  383.458571]  ? kasan_check_read+0x11/0x20
[  383.462716]  ? __run_timers+0x7da/0xc70
[  383.466690]  ? trace_hardirqs_off_caller+0x310/0x310
[  383.471791]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.476028]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.480288]  __run_timers+0x7e5/0xc70
[  383.484091]  ? timer_fixup_init+0x70/0x70
[  383.488239]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  383.493270]  ? zap_class+0x640/0x640
[  383.497060]  ? print_usage_bug+0xc0/0xc0
[  383.501161]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  383.506369]  ? find_held_lock+0x36/0x1c0
[  383.510430]  ? zap_class+0x640/0x640
[  383.514141]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.519688]  ? check_preemption_disabled+0x48/0x280
[  383.524706]  ? __lock_is_held+0xb5/0x140
[  383.528765]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.534297]  ? check_preemption_disabled+0x48/0x280
[  383.539313]  run_timer_softirq+0x52/0xb0
[  383.543368]  ? rcu_read_lock_sched_held+0x14f/0x180
[  383.548376]  __do_softirq+0x308/0xb7e
[  383.552186]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  383.556688]  ? lock_downgrade+0x900/0x900
[  383.560832]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  383.565962]  ? pvclock_read_flags+0x160/0x160
[  383.570468]  ? lapic_next_event+0x5a/0x90
[  383.574615]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.580151]  ? kvm_clock_read+0x18/0x30
[  383.584135]  ? kvm_sched_clock_read+0x9/0x20
[  383.588550]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.594079]  ? check_preemption_disabled+0x48/0x280
[  383.599096]  irq_exit+0x17f/0x1c0
[  383.602553]  smp_apic_timer_interrupt+0x1cb/0x760
[  383.607403]  ? smp_reschedule_interrupt+0x109/0x650
[  383.612412]  ? smp_call_function_single_interrupt+0x650/0x650
[  383.618291]  ? interrupt_entry+0xb5/0xc0
[  383.622343]  ? trace_hardirqs_off_caller+0xbb/0x310
[  383.627349]  ? trace_hardirqs_off_caller+0xbb/0x310
[  383.632356]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  383.637189]  ? trace_hardirqs_on_caller+0x310/0x310
[  383.642209]  ? trace_hardirqs_on_caller+0x310/0x310
[  383.647212]  ? task_prio+0x50/0x50
[  383.650741]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.656272]  ? check_preemption_disabled+0x48/0x280
[  383.661286]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  383.666125]  apic_timer_interrupt+0xf/0x20
[  383.670355]  </IRQ>
[  383.672598] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  383.677777] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec
[  383.696664] RSP: 0018:ffff8801c2d36100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  383.704372] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100385b2de6
[  383.711631] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c2d96ebc
[  383.718904] RBP: ffff8801c2d36128 R08: ffff8801c2d96f30 R09: 0000000000000006
[  383.726177] R10: 0000000000000000 R11: ffff8801c2d96640 R12: dffffc0000000000
[  383.733451] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  383.740746]  retint_kernel+0x1b/0x2d
[  383.744470] RIP: 0010:dump_stack+0x358/0x39d
[  383.748864] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  383.768343] RSP: 0018:ffff8801c2d361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  383.776040] RAX: ffff8801c2d96640 RBX: 1ffffffff12a3f76 RCX: 1ffff100385b2de6
[  383.783298] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  383.790572] RBP: ffff8801c2d36290 R08: ffff8801c2d96f30 R09: 0000000000000006
[  383.797845] R10: 0000000000000000 R11: ffff8801c2d96640 R12: 1ffff100385a6c45
[  383.805290] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  383.812572]  ? dump_stack+0x34f/0x39d
[  383.816383]  ? dump_stack_print_info.cold.1+0x20/0x20
[  383.821570]  ? mark_held_locks+0x130/0x130
[  383.825833]  ? mark_held_locks+0x130/0x130
[  383.830068]  dump_header+0x27b/0xf72
[  383.833809]  ? pagefault_out_of_memory+0x197/0x197
[  383.838744]  ? __lock_acquire+0x62f/0x4c20
[  383.842977]  ? percpu_ref_get_many+0x240/0x240
[  383.847575]  ? print_usage_bug+0xc0/0xc0
[  383.851685]  ? zap_class+0x640/0x640
[  383.855396]  ? print_usage_bug+0xc0/0xc0
[  383.859450]  ? print_usage_bug+0xc0/0xc0
[  383.863516]  ? zap_class+0x640/0x640
[  383.867230]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.872763]  ? find_held_lock+0x36/0x1c0
[  383.876825]  ? mark_held_locks+0xc7/0x130
[  383.881013]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  383.886145]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  383.891252]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  383.895838]  ? trace_hardirqs_on+0xbd/0x310
[  383.900187]  ? kasan_check_read+0x11/0x20
[  383.904331]  ? ___ratelimit+0x3b4/0x672
[  383.908300]  ? trace_hardirqs_off_caller+0x310/0x310
[  383.913395]  ? trace_hardirqs_on+0x310/0x310
[  383.917797]  ? lock_downgrade+0x900/0x900
[  383.921955]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  383.927092]  ? ___ratelimit+0x3b9/0x672
[  383.931073]  ? idr_get_free+0xf70/0xf70
[  383.935053]  ? find_held_lock+0x36/0x1c0
[  383.939117]  oom_kill_process.cold.27+0x10/0x903
[  383.943869]  ? zap_class+0x640/0x640
[  383.947579]  ? check_preemption_disabled+0x48/0x280
[  383.952591]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  383.957521]  ? kasan_check_read+0x11/0x20
[  383.961689]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  383.966959]  ? oom_evaluate_task+0x540/0x540
[  383.971383]  ? find_held_lock+0x36/0x1c0
[  383.975443]  ? out_of_memory+0x974/0x1430
[  383.979584]  ? lock_downgrade+0x900/0x900
[  383.983755]  ? check_preemption_disabled+0x48/0x280
[  383.988769]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  383.993690]  ? kasan_check_read+0x11/0x20
[  383.997847]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  384.003118]  ? rcu_softirq_qs+0x20/0x20
[  384.007121]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  384.012646]  ? oom_evaluate_task+0x302/0x540
[  384.017049]  out_of_memory+0xa84/0x1430
[  384.021046]  ? oom_killer_disable+0x3a0/0x3a0
[  384.025541]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  384.030468]  ? __ww_mutex_check_waiters+0x160/0x160
[  384.035483]  __alloc_pages_slowpath+0x2354/0x2e10
[  384.040354]  ? warn_alloc+0x120/0x120
[  384.044143]  ? mark_held_locks+0x130/0x130
[  384.048370]  ? find_get_entry+0xaae/0x1120
[  384.052603]  ? filemap_map_pages+0x1a20/0x1a20
[  384.057211]  ? zap_class+0x640/0x640
[  384.060922]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.066451]  ? check_preemption_disabled+0x48/0x280
[  384.071475]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  384.077005]  ? should_fail+0x22d/0xd01
[  384.080897]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  384.086021]  ? zap_class+0x640/0x640
[  384.089776]  ? __lock_is_held+0xb5/0x140
[  384.093854]  ? mark_held_locks+0x130/0x130
[  384.098090]  ? lock_release+0xa00/0xa00
[  384.102057]  ? perf_trace_sched_process_exec+0x860/0x860
[  384.107499]  ? xa_load+0x2ba/0x460
[  384.111039]  ? lock_downgrade+0x900/0x900
[  384.115181]  ? __might_sleep+0x95/0x190
[  384.119198]  __alloc_pages_nodemask+0xa80/0xde0
[  384.123890]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  384.128898]  ? __page_cache_alloc+0x191/0x5c0
[  384.133417]  ? xa_load+0x2e1/0x460
[  384.136977]  ? xa_clear_mark+0x40/0x40
[  384.140890]  ? zap_class+0x640/0x640
[  384.144618]  ? zap_class+0x640/0x640
[  384.148346]  ? zap_class+0x640/0x640
[  384.152051]  ? __do_page_cache_readahead+0x663/0x810
[  384.157184]  ? find_held_lock+0x36/0x1c0
[  384.161302]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  384.166839]  alloc_pages_current+0x173/0x350
[  384.171240]  __page_cache_alloc+0x38c/0x5c0
[  384.175551]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  384.180467]  ? kasan_check_read+0x11/0x20
[  384.184605]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  384.189877]  ? generic_perform_write+0x6a0/0x6a0
[  384.194621]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  384.200150]  ? check_preemption_disabled+0x48/0x280
[  384.205207]  filemap_fault+0x1595/0x25f0
[  384.209281]  ? __lock_page_or_retry+0xa00/0xa00
[  384.213978]  ? mark_held_locks+0x130/0x130
[  384.218236]  ? filemap_map_pages+0xd6b/0x1a20
[  384.222729]  ? lock_downgrade+0x900/0x900
[  384.226871]  ? check_preemption_disabled+0x48/0x280
[  384.231887]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  384.236829]  ? kasan_check_read+0x11/0x20
[  384.240976]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  384.246272]  ? rcu_softirq_qs+0x20/0x20
[  384.250257]  ? filemap_map_pages+0xd92/0x1a20
[  384.254769]  ? find_get_entries_tag+0x1400/0x1400
[  384.259608]  ? find_held_lock+0x36/0x1c0
[  384.263684]  ? lock_acquire+0x1ed/0x520
[  384.267658]  ? ext4_filemap_fault+0x7a/0xad
[  384.272001]  ? lock_release+0xa00/0xa00
[  384.275973]  ? perf_trace_sched_process_exec+0x860/0x860
[  384.281440]  ? print_usage_bug+0xc0/0xc0
[  384.285517]  ? down_read+0x8d/0x120
[  384.289160]  ? ext4_filemap_fault+0x7a/0xad
[  384.293483]  ? __down_interruptible+0x700/0x700
[  384.298177]  ? find_held_lock+0x36/0x1c0
[  384.302255]  ext4_filemap_fault+0x82/0xad
[  384.306411]  __do_fault+0x100/0x6b0
[  384.310063]  ? lock_downgrade+0x900/0x900
[  384.314208]  ? pmd_devmap_trans_unstable+0x220/0x220
[  384.319350]  ? kasan_check_read+0x11/0x20
[  384.323491]  ? do_raw_spin_unlock+0xa7/0x330
[  384.327919]  ? do_raw_spin_trylock+0x270/0x270
[  384.332520]  __handle_mm_fault+0x3ea0/0x5be0
[  384.336940]  ? perf_trace_lock+0x7a0/0x7a0
[  384.341192]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  384.346069]  ? zap_class+0x640/0x640
[  384.349785]  ? zap_class+0x640/0x640
[  384.353498]  ? __x64_sys_futex+0x53e/0x6a0
[  384.357749]  ? find_held_lock+0x36/0x1c0
[  384.361817]  ? handle_mm_fault+0x42a/0xc70
[  384.366048]  ? lock_downgrade+0x900/0x900
[  384.370200]  ? check_preemption_disabled+0x48/0x280
[  384.375237]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  384.380172]  ? kasan_check_read+0x11/0x20
[  384.384309]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  384.389591]  ? rcu_softirq_qs+0x20/0x20
[  384.393576]  ? trace_hardirqs_off_caller+0x310/0x310
[  384.398673]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  384.404203]  ? check_preemption_disabled+0x48/0x280
[  384.409216]  handle_mm_fault+0x54f/0xc70
[  384.413276]  ? __handle_mm_fault+0x5be0/0x5be0
[  384.417885]  ? find_vma+0x34/0x190
[  384.421424]  __do_page_fault+0x5e8/0xe60
[  384.425476]  ? trace_hardirqs_off+0xb8/0x310
[  384.429900]  ? kernel_write+0x120/0x120
[  384.433895]  do_page_fault+0xf2/0x7e0
[  384.437708]  ? vmalloc_sync_all+0x30/0x30
[  384.441851]  ? error_entry+0x70/0xd0
[  384.445587]  ? trace_hardirqs_off_caller+0xbb/0x310
[  384.450612]  ? trace_hardirqs_on_caller+0xc0/0x310
[  384.455539]  ? syscall_return_slowpath+0x5e0/0x5e0
[  384.460462]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  384.465302]  ? trace_hardirqs_on_caller+0x310/0x310
[  384.470383]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  384.475848]  ? prepare_exit_to_usermode+0x291/0x3b0
[  384.480858]  ? page_fault+0x8/0x30
[  384.484390]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  384.489223]  ? page_fault+0x8/0x30
[  384.492754]  page_fault+0x1e/0x30
[  384.496215] RIP: 0033:0x404068
[  384.499406] Code: Bad RIP value.
[  384.502787] RSP: 002b:000000c420024e48 EFLAGS: 00010206
[  384.508177] RAX: 000000c422dd4cc0 RBX: 000000c42875f801 RCX: 000000c424d31838
[  384.515452] RDX: 000000c422dd4cc0 RSI: 0000000000000001 RDI: 0000000000000001
[  384.522726] RBP: 000000c420024ed8 R08: 00007ffd3a9b40b0 R09: 00007ffd3a9b4080
[  384.530008] R10: 000000000000eacc R11: 0000000000000165 R12: 0000000000000001
[  384.537268] R13: 000000c4271c3620 R14: 0000000000000001 R15: 0000000000000000
[  384.544548] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #83
[  384.544615] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  384.551305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  384.551313] Call Trace:
[  384.557909] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  384.567164]  dump_stack+0x244/0x39d
[  384.569722] syz-fuzzer cpuset=/ mems_allowed=0
[  384.579970]  ? dump_stack_print_info.cold.1+0x20/0x20
[  384.593316]  warn_alloc.cold.116+0xb7/0x1bd
[  384.597634]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  384.602522]  ? lock_downgrade+0x900/0x900
[  384.606722]  ? trace_hardirqs_off+0xb8/0x310
[  384.611148]  ? trace_hardirqs_off+0xb8/0x310
[  384.615569]  __alloc_pages_slowpath+0x26e8/0x2e10
[  384.620633]  ? warn_alloc+0x120/0x120
[  384.624432]  ? warn_alloc+0x120/0x120
[  384.628239]  ? __bfs+0xb0/0x780
[  384.631513]  ? warn_alloc+0x120/0x120
[  384.635307]  ? print_usage_bug+0xc0/0xc0
[  384.639361]  ? print_usage_bug+0xc0/0xc0
[  384.643411]  ? check_usage+0x1aa/0x790
[  384.647291]  ? check_usage+0x1aa/0x790
[  384.651177]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  384.656703]  ? should_fail+0x22d/0xd01
[  384.660606]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  384.665705]  ? __lock_acquire+0x62f/0x4c20
[  384.669950]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  384.675042]  ? __lock_acquire+0x62f/0x4c20
[  384.679263]  ? should_fail+0x22d/0xd01
[  384.683187]  ? mark_held_locks+0x130/0x130
[  384.687450]  ? mark_held_locks+0x130/0x130
[  384.691696]  ? zap_class+0x640/0x640
[  384.695403]  ? ret_from_fork+0x3a/0x50
[  384.699308]  ? __lock_acquire+0x2aff/0x4c20
[  384.703636]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.709165]  ? check_preemption_disabled+0x48/0x280
[  384.714177]  ? __lock_is_held+0xb5/0x140
[  384.718270]  __alloc_pages_nodemask+0xa80/0xde0
[  384.722929]  ? zap_class+0x640/0x640
[  384.726652]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  384.731671]  ? find_held_lock+0x36/0x1c0
[  384.735760]  ? ____cache_alloc_node+0x1c7/0x1e0
[  384.740436]  ? lock_downgrade+0x900/0x900
[  384.744582]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.750134]  cache_grow_begin+0xa5/0x8c0
[  384.754388]  ? do_raw_spin_unlock+0xa7/0x330
[  384.758805]  fallback_alloc+0x204/0x2e0
[  384.762786]  ____cache_alloc_node+0x1c7/0x1e0
[  384.767283]  kmem_cache_alloc_node+0xe3/0x730
[  384.771794]  ? mark_held_locks+0xc7/0x130
[  384.775945]  __alloc_skb+0x119/0x770
[  384.779696]  ? netdev_alloc_frag+0x1f0/0x1f0
[  384.784107]  ? do_raw_spin_trylock+0x270/0x270
[  384.788681]  ? kmem_cache_alloc_trace+0x353/0x750
[  384.793535]  ? queue_work_on+0x12c/0x1e0
[  384.797610]  ? switchdev_port_obj_del+0xdc/0x440
[  384.802360]  ? switchdev_trans_item_enqueue+0x260/0x260
[  384.807720]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  384.812738]  __br_mdb_notify+0x4ff/0x15d0
[  384.816884]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  384.821986]  ? __br_mdb_add+0x7f0/0x7f0
[  384.825954]  ? mark_held_locks+0x130/0x130
[  384.830201]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  384.835309]  ? debug_object_assert_init+0x368/0x4b0
[  384.840338]  ? debug_object_init_on_stack+0x20/0x20
[  384.845347]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.850882]  br_mdb_notify+0x310/0x410
[  384.854801]  ? br_mdb_dump+0x27b0/0x27b0
[  384.858905]  br_multicast_del_pg+0x3df/0x790
[  384.863335]  ? br_mdb_ip_get+0x940/0x940
[  384.867406]  ? rwlock_bug.part.2+0x90/0x90
[  384.871645]  ? __lock_is_held+0xb5/0x140
[  384.875712]  br_multicast_port_group_expired+0x189/0x1e0
[  384.881162]  call_timer_fn+0x272/0x920
[  384.885069]  ? br_multicast_del_pg+0x790/0x790
[  384.889648]  ? process_timeout+0x40/0x40
[  384.893711]  ? __run_timers+0x7da/0xc70
[  384.897701]  ? _raw_spin_unlock_irq+0x27/0x80
[  384.902218]  ? _raw_spin_unlock_irq+0x27/0x80
[  384.906712]  ? br_multicast_del_pg+0x790/0x790
[  384.911292]  ? lockdep_hardirqs_on+0x296/0x5b0
[  384.915872]  ? trace_hardirqs_on+0xbd/0x310
[  384.920220]  ? kasan_check_read+0x11/0x20
[  384.924377]  ? __run_timers+0x7da/0xc70
[  384.928349]  ? trace_hardirqs_off_caller+0x310/0x310
[  384.933456]  ? br_multicast_del_pg+0x790/0x790
[  384.938048]  ? br_multicast_del_pg+0x790/0x790
[  384.942625]  __run_timers+0x7e5/0xc70
[  384.946431]  ? timer_fixup_init+0x70/0x70
[  384.950576]  ? _raw_spin_unlock_irq+0x27/0x80
[  384.955070]  ? _raw_spin_unlock_irq+0x27/0x80
[  384.959569]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  384.964149]  ? trace_hardirqs_on+0xbd/0x310
[  384.968476]  ? kasan_check_read+0x11/0x20
[  384.972634]  ? finish_task_switch+0x1f4/0x910
[  384.977177]  ? trace_hardirqs_off_caller+0x310/0x310
[  384.982292]  ? compat_start_thread+0x80/0x80
[  384.986714]  ? pvclock_read_flags+0x160/0x160
[  384.991201]  ? __switch_to_asm+0x34/0x70
[  384.995260]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.000793]  ? check_preemption_disabled+0x48/0x280
[  385.005818]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  385.011359]  ? rcu_pm_notify+0xc0/0xc0
[  385.015240]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.020792]  ? check_preemption_disabled+0x48/0x280
[  385.025804]  run_timer_softirq+0x52/0xb0
[  385.029863]  ? rcu_read_lock_sched_held+0x14f/0x180
[  385.034875]  __do_softirq+0x308/0xb7e
[  385.038679]  ? trace_hardirqs_on_caller+0xc0/0x310
[  385.043608]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  385.048701]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  385.054231]  ? schedule+0x108/0x460
[  385.057889]  ? trace_hardirqs_off+0xb8/0x310
[  385.062290]  ? smpboot_thread_fn+0x68b/0xa00
[  385.066693]  ? trace_hardirqs_on+0x310/0x310
[  385.071632]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  385.077181]  ? check_preemption_disabled+0x48/0x280
[  385.082201]  ? takeover_tasklets+0xa90/0xa90
[  385.086600]  run_ksoftirqd+0x5e/0x100
[  385.090390]  smpboot_thread_fn+0x68b/0xa00
[  385.094642]  ? sort_range+0x30/0x30
[  385.098276]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  385.103372]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  385.108939]  ? __kthread_parkme+0xfb/0x1a0
[  385.113181]  ? sort_range+0x30/0x30
[  385.116814]  kthread+0x35a/0x440
[  385.120184]  ? kthread_stop+0x900/0x900
[  385.124171]  ret_from_fork+0x3a/0x50
[  385.127914] warn_alloc_show_mem: 1 callbacks suppressed
[  385.127924] CPU: 1 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  385.127926] Mem-Info:
[  385.127951] active_anon:44321 inactive_anon:2061 isolated_anon:0
[  385.127951]  active_file:14 inactive_file:14 isolated_file:0
[  385.127951]  unevictable:0 dirty:0 writeback:0 unstable:0
[  385.127951]  slab_reclaimable:9437 slab_unreclaimable:1460937
[  385.127951]  mapped:49154 shmem:2105 pagetables:642 bounce:0
[  385.127951]  free:13638 free_pcp:328 free_cma:0
[  385.133294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  385.140213] Node 0 active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8420kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  385.142604] Call Trace:
[  385.175637] 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
[  385.184987]  <IRQ>
[  385.212568] lowmem_reserve[]: 0 2818 6321 6321
[  385.215138]  dump_stack+0x244/0x39d
[  385.241240] Node 0 DMA32 free:24708kB 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
[  385.243385]  ? dump_stack_print_info.cold.1+0x20/0x20
[  385.247949] lowmem_reserve[]: 0 0 3503 3503
[  385.251579]  warn_alloc.cold.116+0xb7/0x1bd
[  385.279050] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2568kB bounce:0kB free_pcp:1064kB local_pcp:692kB free_cma:0kB
[  385.284226]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  385.288520] lowmem_reserve[]: 0 0 0 0
[  385.292857]  ? lock_downgrade+0x900/0x900
[  385.321891] 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
[  385.326725]  ? trace_hardirqs_off+0xb8/0x310
[  385.330496] Node 0 DMA32: 5*4kB (UM) 2*8kB (MH) 2*16kB (MH) 4*32kB (MH) 3*64kB (M) 2*128kB (M) 4*256kB (UMH) 3*512kB (UM) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24708kB
[  385.334638]  ? trace_hardirqs_off+0xb8/0x310
[  385.348142] Node 0 Normal: 930*4kB (MEH) 535*8kB (UMEH) 215*16kB (UME) 80*32kB (UMH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  385.352540]  __alloc_pages_slowpath+0x26e8/0x2e10
[  385.368048] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  385.372456]  ? warn_alloc+0x120/0x120
[  385.386231] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  385.391072]  ? warn_alloc+0x120/0x120
[  385.399894] 2133 total pagecache pages
[  385.403682]  ? warn_alloc+0x120/0x120
[  385.412234] 0 pages in swap cache
[  385.416035]  ? print_usage_bug+0xc0/0xc0
[  385.419908] Swap cache stats: add 0, delete 0, find 0/0
[  385.423694]  ? print_usage_bug+0xc0/0xc0
[  385.427149] Free swap  = 0kB
[  385.431197]  ? zap_class+0x640/0x640
[  385.436548] Total swap = 0kB
[  385.440604]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  385.443600] 1965979 pages RAM
[  385.447315]  ? should_fail+0x22d/0xd01
[  385.450303] 0 pages HighMem/MovableOnly
[  385.455862]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  385.458938] 342853 pages reserved
[  385.458945] 0 pages cma reserved
[  385.462837]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  385.466952] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  385.471966]  ? __lock_acquire+0x62f/0x4c20
[  385.475391] ksoftirqd/0 cpuset=/ mems_allowed=0
[  385.478744]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  385.508148]  ? should_fail+0x22d/0xd01
[  385.512090]  ? mark_held_locks+0x130/0x130
[  385.516340]  ? mark_held_locks+0x130/0x130
[  385.520579]  ? print_usage_bug+0xc0/0xc0
[  385.524668]  ? find_held_lock+0x36/0x1c0
[  385.528724]  ? zap_class+0x640/0x640
[  385.532435]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.537966]  ? check_preemption_disabled+0x48/0x280
[  385.542985]  ? __lock_is_held+0xb5/0x140
[  385.547058]  __alloc_pages_nodemask+0xa80/0xde0
[  385.551744]  ? zap_class+0x640/0x640
[  385.555464]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  385.560479]  ? find_held_lock+0x36/0x1c0
[  385.564559]  ? ____cache_alloc_node+0x1c7/0x1e0
[  385.569236]  ? lock_downgrade+0x900/0x900
[  385.573428]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.578964]  cache_grow_begin+0xa5/0x8c0
[  385.583017]  ? do_raw_spin_unlock+0xa7/0x330
[  385.587438]  fallback_alloc+0x204/0x2e0
[  385.591407]  ____cache_alloc_node+0x1c7/0x1e0
[  385.595904]  kmem_cache_alloc_node+0xe3/0x730
[  385.600424]  ? mark_held_locks+0xc7/0x130
[  385.604595]  __alloc_skb+0x119/0x770
[  385.608308]  ? netdev_alloc_frag+0x1f0/0x1f0
[  385.612737]  ? do_raw_spin_trylock+0x270/0x270
[  385.617317]  ? kmem_cache_alloc_trace+0x353/0x750
[  385.622172]  ? queue_work_on+0x12c/0x1e0
[  385.626238]  ? switchdev_port_obj_del+0xdc/0x440
[  385.631009]  ? switchdev_trans_item_enqueue+0x260/0x260
[  385.636392]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  385.641403]  __br_mdb_notify+0x4ff/0x15d0
[  385.645549]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  385.650646]  ? __br_mdb_add+0x7f0/0x7f0
[  385.654641]  ? mark_held_locks+0x130/0x130
[  385.658871]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  385.663963]  ? debug_object_assert_init+0x368/0x4b0
[  385.669016]  ? trace_hardirqs_off_caller+0x310/0x310
[  385.674124]  ? debug_object_init_on_stack+0x20/0x20
[  385.679127]  ? zap_class+0x640/0x640
[  385.682846]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.688389]  br_mdb_notify+0x310/0x410
[  385.692269]  ? br_mdb_dump+0x27b0/0x27b0
[  385.696354]  br_multicast_del_pg+0x3df/0x790
[  385.700775]  ? br_mdb_ip_get+0x940/0x940
[  385.704863]  ? rwlock_bug.part.2+0x90/0x90
[  385.709108]  ? __lock_is_held+0xb5/0x140
[  385.713196]  br_multicast_port_group_expired+0x189/0x1e0
[  385.718650]  call_timer_fn+0x272/0x920
[  385.722535]  ? br_multicast_del_pg+0x790/0x790
[  385.727110]  ? process_timeout+0x40/0x40
[  385.731192]  ? mark_held_locks+0xc7/0x130
[  385.735348]  ? _raw_spin_unlock_irq+0x27/0x80
[  385.739836]  ? _raw_spin_unlock_irq+0x27/0x80
[  385.744325]  ? br_multicast_del_pg+0x790/0x790
[  385.748902]  ? lockdep_hardirqs_on+0x296/0x5b0
[  385.753491]  ? trace_hardirqs_on+0xbd/0x310
[  385.757826]  ? kasan_check_read+0x11/0x20
[  385.762005]  ? __run_timers+0x7da/0xc70
[  385.765975]  ? trace_hardirqs_off_caller+0x310/0x310
[  385.771077]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.775341]  ? br_multicast_del_pg+0x790/0x790
[  385.779914]  __run_timers+0x7e5/0xc70
[  385.783733]  ? timer_fixup_init+0x70/0x70
[  385.787885]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  385.792897]  ? zap_class+0x640/0x640
[  385.796608]  ? print_usage_bug+0xc0/0xc0
[  385.800666]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  385.805859]  ? find_held_lock+0x36/0x1c0
[  385.809936]  ? zap_class+0x640/0x640
[  385.813649]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.819235]  ? check_preemption_disabled+0x48/0x280
[  385.824291]  ? __lock_is_held+0xb5/0x140
[  385.828362]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.833894]  ? check_preemption_disabled+0x48/0x280
[  385.838907]  run_timer_softirq+0x52/0xb0
[  385.843006]  ? rcu_read_lock_sched_held+0x14f/0x180
[  385.848028]  __do_softirq+0x308/0xb7e
[  385.851831]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  385.856326]  ? lock_downgrade+0x900/0x900
[  385.860479]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  385.865600]  ? pvclock_read_flags+0x160/0x160
[  385.870098]  ? lapic_next_event+0x5a/0x90
[  385.874262]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.879809]  ? kvm_clock_read+0x18/0x30
[  385.883786]  ? kvm_sched_clock_read+0x9/0x20
[  385.888202]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.893740]  ? check_preemption_disabled+0x48/0x280
[  385.898781]  irq_exit+0x17f/0x1c0
[  385.902252]  smp_apic_timer_interrupt+0x1cb/0x760
[  385.907097]  ? smp_reschedule_interrupt+0x109/0x650
[  385.912143]  ? smp_call_function_single_interrupt+0x650/0x650
[  385.918027]  ? interrupt_entry+0xb5/0xc0
[  385.922099]  ? trace_hardirqs_off_caller+0xbb/0x310
[  385.927126]  ? trace_hardirqs_off_caller+0xbb/0x310
[  385.932144]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  385.936997]  ? trace_hardirqs_on_caller+0x310/0x310
[  385.942023]  ? trace_hardirqs_on_caller+0x310/0x310
[  385.947045]  ? task_prio+0x50/0x50
[  385.950586]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.956162]  ? check_preemption_disabled+0x48/0x280
[  385.961196]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  385.966051]  apic_timer_interrupt+0xf/0x20
[  385.970305]  </IRQ>
[  385.972542] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  385.977730] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec
[  385.996624] RSP: 0018:ffff8801c2d36100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  386.004325] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100385b2de6
[  386.011586] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c2d96ebc
[  386.018848] RBP: ffff8801c2d36128 R08: ffff8801c2d96f30 R09: 0000000000000006
[  386.026114] R10: 0000000000000000 R11: ffff8801c2d96640 R12: dffffc0000000000
[  386.033373] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  386.040669]  retint_kernel+0x1b/0x2d
[  386.044406] RIP: 0010:dump_stack+0x358/0x39d
[  386.048838] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  386.067727] RSP: 0018:ffff8801c2d361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  386.075448] RAX: ffff8801c2d96640 RBX: 1ffffffff12a3f76 RCX: 1ffff100385b2de6
[  386.082710] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  386.089970] RBP: ffff8801c2d36290 R08: ffff8801c2d96f30 R09: 0000000000000006
[  386.097228] R10: 0000000000000000 R11: ffff8801c2d96640 R12: 1ffff100385a6c45
[  386.104485] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  386.111890]  ? dump_stack+0x34f/0x39d
[  386.115725]  ? dump_stack_print_info.cold.1+0x20/0x20
[  386.120912]  ? mark_held_locks+0x130/0x130
[  386.125185]  ? mark_held_locks+0x130/0x130
[  386.129444]  dump_header+0x27b/0xf72
[  386.133166]  ? pagefault_out_of_memory+0x197/0x197
[  386.138096]  ? __lock_acquire+0x62f/0x4c20
[  386.142325]  ? percpu_ref_get_many+0x240/0x240
[  386.146900]  ? print_usage_bug+0xc0/0xc0
[  386.150957]  ? zap_class+0x640/0x640
[  386.154664]  ? print_usage_bug+0xc0/0xc0
[  386.158751]  ? print_usage_bug+0xc0/0xc0
[  386.162826]  ? zap_class+0x640/0x640
[  386.166568]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.172129]  ? find_held_lock+0x36/0x1c0
[  386.176210]  ? mark_held_locks+0xc7/0x130
[  386.180376]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  386.185472]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  386.190565]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  386.195185]  ? trace_hardirqs_on+0xbd/0x310
[  386.199496]  ? kasan_check_read+0x11/0x20
[  386.203677]  ? ___ratelimit+0x3b4/0x672
[  386.207681]  ? trace_hardirqs_off_caller+0x310/0x310
[  386.212776]  ? trace_hardirqs_on+0x310/0x310
[  386.217182]  ? lock_downgrade+0x900/0x900
[  386.221362]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  386.226461]  ? ___ratelimit+0x3b9/0x672
[  386.230433]  ? idr_get_free+0xf70/0xf70
[  386.234402]  ? find_held_lock+0x36/0x1c0
[  386.238462]  oom_kill_process.cold.27+0x10/0x903
[  386.243207]  ? zap_class+0x640/0x640
[  386.246930]  ? check_preemption_disabled+0x48/0x280
[  386.251962]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  386.256903]  ? kasan_check_read+0x11/0x20
[  386.261046]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  386.266320]  ? oom_evaluate_task+0x540/0x540
[  386.270730]  ? find_held_lock+0x36/0x1c0
[  386.274806]  ? out_of_memory+0x974/0x1430
[  386.278946]  ? lock_downgrade+0x900/0x900
[  386.283084]  ? check_preemption_disabled+0x48/0x280
[  386.288110]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  386.293032]  ? kasan_check_read+0x11/0x20
[  386.297199]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  386.302463]  ? rcu_softirq_qs+0x20/0x20
[  386.306432]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.311989]  ? oom_evaluate_task+0x302/0x540
[  386.316419]  out_of_memory+0xa84/0x1430
[  386.320418]  ? oom_killer_disable+0x3a0/0x3a0
[  386.324904]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  386.329874]  ? __ww_mutex_check_waiters+0x160/0x160
[  386.334925]  __alloc_pages_slowpath+0x2354/0x2e10
[  386.339800]  ? warn_alloc+0x120/0x120
[  386.343591]  ? mark_held_locks+0x130/0x130
[  386.347834]  ? find_get_entry+0xaae/0x1120
[  386.352071]  ? filemap_map_pages+0x1a20/0x1a20
[  386.356713]  ? zap_class+0x640/0x640
[  386.360440]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.365975]  ? check_preemption_disabled+0x48/0x280
[  386.371006]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.376565]  ? should_fail+0x22d/0xd01
[  386.380467]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  386.385566]  ? zap_class+0x640/0x640
[  386.389314]  ? __lock_is_held+0xb5/0x140
[  386.393374]  ? mark_held_locks+0x130/0x130
[  386.397602]  ? lock_release+0xa00/0xa00
[  386.401566]  ? perf_trace_sched_process_exec+0x860/0x860
[  386.407009]  ? xa_load+0x2ba/0x460
[  386.410558]  ? lock_downgrade+0x900/0x900
[  386.414700]  ? __might_sleep+0x95/0x190
[  386.418727]  __alloc_pages_nodemask+0xa80/0xde0
[  386.423392]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  386.428401]  ? __page_cache_alloc+0x191/0x5c0
[  386.432906]  ? xa_load+0x2e1/0x460
[  386.436466]  ? xa_clear_mark+0x40/0x40
[  386.440345]  ? zap_class+0x640/0x640
[  386.444069]  ? zap_class+0x640/0x640
[  386.447776]  ? zap_class+0x640/0x640
[  386.451478]  ? __do_page_cache_readahead+0x663/0x810
[  386.456583]  ? find_held_lock+0x36/0x1c0
[  386.460652]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  386.466232]  alloc_pages_current+0x173/0x350
[  386.470658]  __page_cache_alloc+0x38c/0x5c0
[  386.474968]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  386.479911]  ? kasan_check_read+0x11/0x20
[  386.484064]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  386.489365]  ? generic_perform_write+0x6a0/0x6a0
[  386.494123]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.499652]  ? check_preemption_disabled+0x48/0x280
[  386.504662]  filemap_fault+0x1595/0x25f0
[  386.508721]  ? __lock_page_or_retry+0xa00/0xa00
[  386.513379]  ? mark_held_locks+0x130/0x130
[  386.517624]  ? filemap_map_pages+0xd6b/0x1a20
[  386.522140]  ? lock_downgrade+0x900/0x900
[  386.526310]  ? check_preemption_disabled+0x48/0x280
[  386.531336]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  386.536262]  ? kasan_check_read+0x11/0x20
[  386.540404]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  386.545683]  ? rcu_softirq_qs+0x20/0x20
[  386.549661]  ? filemap_map_pages+0xd92/0x1a20
[  386.554165]  ? find_get_entries_tag+0x1400/0x1400
[  386.559002]  ? find_held_lock+0x36/0x1c0
[  386.563074]  ? lock_acquire+0x1ed/0x520
[  386.567063]  ? ext4_filemap_fault+0x7a/0xad
[  386.571410]  ? lock_release+0xa00/0xa00
[  386.575377]  ? perf_trace_sched_process_exec+0x860/0x860
[  386.580817]  ? print_usage_bug+0xc0/0xc0
[  386.584910]  ? down_read+0x8d/0x120
[  386.588548]  ? ext4_filemap_fault+0x7a/0xad
[  386.592861]  ? __down_interruptible+0x700/0x700
[  386.597539]  ? find_held_lock+0x36/0x1c0
[  386.601608]  ext4_filemap_fault+0x82/0xad
[  386.605750]  __do_fault+0x100/0x6b0
[  386.609386]  ? lock_downgrade+0x900/0x900
[  386.613542]  ? pmd_devmap_trans_unstable+0x220/0x220
[  386.618669]  ? kasan_check_read+0x11/0x20
[  386.622829]  ? do_raw_spin_unlock+0xa7/0x330
[  386.627231]  ? do_raw_spin_trylock+0x270/0x270
[  386.631813]  __handle_mm_fault+0x3ea0/0x5be0
[  386.636211]  ? perf_trace_lock+0x7a0/0x7a0
[  386.640445]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  386.645332]  ? zap_class+0x640/0x640
[  386.649079]  ? zap_class+0x640/0x640
[  386.652781]  ? __x64_sys_futex+0x53e/0x6a0
[  386.657010]  ? find_held_lock+0x36/0x1c0
[  386.661069]  ? handle_mm_fault+0x42a/0xc70
[  386.665310]  ? lock_downgrade+0x900/0x900
[  386.669465]  ? check_preemption_disabled+0x48/0x280
[  386.674476]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  386.679402]  ? kasan_check_read+0x11/0x20
[  386.683541]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  386.688808]  ? rcu_softirq_qs+0x20/0x20
[  386.692776]  ? trace_hardirqs_off_caller+0x310/0x310
[  386.697870]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.703426]  ? check_preemption_disabled+0x48/0x280
[  386.708486]  handle_mm_fault+0x54f/0xc70
[  386.712609]  ? __handle_mm_fault+0x5be0/0x5be0
[  386.717207]  ? find_vma+0x34/0x190
[  386.720759]  __do_page_fault+0x5e8/0xe60
[  386.724814]  ? trace_hardirqs_off+0xb8/0x310
[  386.729234]  ? kernel_write+0x120/0x120
[  386.733207]  do_page_fault+0xf2/0x7e0
[  386.737000]  ? vmalloc_sync_all+0x30/0x30
[  386.741137]  ? error_entry+0x70/0xd0
[  386.744860]  ? trace_hardirqs_off_caller+0xbb/0x310
[  386.749895]  ? trace_hardirqs_on_caller+0xc0/0x310
[  386.755325]  ? syscall_return_slowpath+0x5e0/0x5e0
[  386.760281]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  386.765150]  ? trace_hardirqs_on_caller+0x310/0x310
[  386.770215]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  386.775663]  ? prepare_exit_to_usermode+0x291/0x3b0
[  386.780704]  ? page_fault+0x8/0x30
[  386.784241]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  386.789101]  ? page_fault+0x8/0x30
[  386.792656]  page_fault+0x1e/0x30
[  386.796104] RIP: 0033:0x404068
[  386.799303] Code: Bad RIP value.
[  386.802660] RSP: 002b:000000c420024e48 EFLAGS: 00010206
[  386.808013] RAX: 000000c422dd4cc0 RBX: 000000c42875f801 RCX: 000000c424d31838
[  386.815278] RDX: 000000c422dd4cc0 RSI: 0000000000000001 RDI: 0000000000000001
[  386.822541] RBP: 000000c420024ed8 R08: 00007ffd3a9b40b0 R09: 00007ffd3a9b4080
[  386.829820] R10: 000000000000eacc R11: 0000000000000165 R12: 0000000000000001
[  386.837081] R13: 000000c4271c3620 R14: 0000000000000001 R15: 0000000000000000
[  386.844373] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #83
[  386.844542] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  386.851126] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  386.861328] syz-fuzzer cpuset=/ mems_allowed=0
[  386.870676] Call Trace:
[  386.877841]  dump_stack+0x244/0x39d
[  386.881465]  ? dump_stack_print_info.cold.1+0x20/0x20
[  386.886662]  warn_alloc.cold.116+0xb7/0x1bd
[  386.891000]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  386.895842]  ? lock_downgrade+0x900/0x900
[  386.900019]  ? trace_hardirqs_off+0xb8/0x310
[  386.904459]  ? trace_hardirqs_off+0xb8/0x310
[  386.908870]  __alloc_pages_slowpath+0x26e8/0x2e10
[  386.913735]  ? warn_alloc+0x120/0x120
[  386.917555]  ? warn_alloc+0x120/0x120
[  386.921359]  ? __bfs+0xb0/0x780
[  386.924648]  ? warn_alloc+0x120/0x120
[  386.928442]  ? print_usage_bug+0xc0/0xc0
[  386.932512]  ? print_usage_bug+0xc0/0xc0
[  386.936598]  ? check_usage+0x1aa/0x790
[  386.940493]  ? check_usage+0x1aa/0x790
[  386.944386]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.949947]  ? should_fail+0x22d/0xd01
[  386.953835]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  386.958960]  ? __lock_acquire+0x62f/0x4c20
[  386.963190]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  386.968280]  ? __lock_acquire+0x62f/0x4c20
[  386.972516]  ? should_fail+0x22d/0xd01
[  386.976407]  ? mark_held_locks+0x130/0x130
[  386.980640]  ? mark_held_locks+0x130/0x130
[  386.984875]  ? zap_class+0x640/0x640
[  386.988584]  ? ret_from_fork+0x3a/0x50
[  386.992462]  ? __lock_acquire+0x62f/0x4c20
[  386.996692]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.002256]  ? check_preemption_disabled+0x48/0x280
[  387.007323]  ? __lock_is_held+0xb5/0x140
[  387.011392]  __alloc_pages_nodemask+0xa80/0xde0
[  387.016054]  ? zap_class+0x640/0x640
[  387.019851]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  387.024875]  ? find_held_lock+0x36/0x1c0
[  387.028934]  ? ____cache_alloc_node+0x1c7/0x1e0
[  387.033597]  ? lock_downgrade+0x900/0x900
[  387.037756]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.043311]  cache_grow_begin+0xa5/0x8c0
[  387.047395]  ? do_raw_spin_unlock+0xa7/0x330
[  387.051806]  fallback_alloc+0x204/0x2e0
[  387.055795]  ____cache_alloc_node+0x1c7/0x1e0
[  387.060308]  kmem_cache_alloc_node+0xe3/0x730
[  387.064799]  ? mark_held_locks+0xc7/0x130
[  387.068949]  __alloc_skb+0x119/0x770
[  387.072660]  ? netdev_alloc_frag+0x1f0/0x1f0
[  387.077081]  ? do_raw_spin_trylock+0x270/0x270
[  387.081707]  ? kmem_cache_alloc_trace+0x353/0x750
[  387.086546]  ? queue_work_on+0x12c/0x1e0
[  387.090616]  ? switchdev_port_obj_del+0xdc/0x440
[  387.095379]  ? switchdev_trans_item_enqueue+0x260/0x260
[  387.100777]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  387.105796]  __br_mdb_notify+0x4ff/0x15d0
[  387.109952]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  387.115054]  ? __br_mdb_add+0x7f0/0x7f0
[  387.119023]  ? mark_held_locks+0x130/0x130
[  387.123275]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  387.128375]  ? debug_object_assert_init+0x368/0x4b0
[  387.133407]  ? debug_object_init_on_stack+0x20/0x20
[  387.138421]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.143977]  br_mdb_notify+0x310/0x410
[  387.147864]  ? br_mdb_dump+0x27b0/0x27b0
[  387.151933]  br_multicast_del_pg+0x3df/0x790
[  387.156344]  ? br_mdb_ip_get+0x940/0x940
[  387.160396]  ? rwlock_bug.part.2+0x90/0x90
[  387.164632]  ? __lock_is_held+0xb5/0x140
[  387.168696]  br_multicast_port_group_expired+0x189/0x1e0
[  387.174141]  call_timer_fn+0x272/0x920
[  387.178057]  ? br_multicast_del_pg+0x790/0x790
[  387.182663]  ? process_timeout+0x40/0x40
[  387.186726]  ? __run_timers+0x7da/0xc70
[  387.190694]  ? _raw_spin_unlock_irq+0x27/0x80
[  387.195178]  ? _raw_spin_unlock_irq+0x27/0x80
[  387.199665]  ? br_multicast_del_pg+0x790/0x790
[  387.204256]  ? lockdep_hardirqs_on+0x296/0x5b0
[  387.208866]  ? trace_hardirqs_on+0xbd/0x310
[  387.213183]  ? kasan_check_read+0x11/0x20
[  387.217325]  ? __run_timers+0x7da/0xc70
[  387.221293]  ? trace_hardirqs_off_caller+0x310/0x310
[  387.226397]  ? br_multicast_del_pg+0x790/0x790
[  387.230977]  ? br_multicast_del_pg+0x790/0x790
[  387.235554]  __run_timers+0x7e5/0xc70
[  387.239376]  ? timer_fixup_init+0x70/0x70
[  387.243527]  ? _raw_spin_unlock_irq+0x27/0x80
[  387.248019]  ? _raw_spin_unlock_irq+0x27/0x80
[  387.252531]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  387.257112]  ? trace_hardirqs_on+0xbd/0x310
[  387.261429]  ? kasan_check_read+0x11/0x20
[  387.265577]  ? finish_task_switch+0x1f4/0x910
[  387.270084]  ? trace_hardirqs_off_caller+0x310/0x310
[  387.275180]  ? compat_start_thread+0x80/0x80
[  387.279617]  ? pvclock_read_flags+0x160/0x160
[  387.284102]  ? __switch_to_asm+0x34/0x70
[  387.288169]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.293764]  ? check_preemption_disabled+0x48/0x280
[  387.298945]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  387.304518]  ? rcu_pm_notify+0xc0/0xc0
[  387.308403]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.313936]  ? check_preemption_disabled+0x48/0x280
[  387.318951]  run_timer_softirq+0x52/0xb0
[  387.323021]  ? rcu_read_lock_sched_held+0x14f/0x180
[  387.328049]  __do_softirq+0x308/0xb7e
[  387.331849]  ? trace_hardirqs_on_caller+0xc0/0x310
[  387.336808]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  387.341908]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  387.347363]  ? schedule+0x108/0x460
[  387.351007]  ? trace_hardirqs_off+0xb8/0x310
[  387.355426]  ? smpboot_thread_fn+0x68b/0xa00
[  387.359835]  ? trace_hardirqs_on+0x310/0x310
[  387.364258]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  387.369795]  ? check_preemption_disabled+0x48/0x280
[  387.374814]  ? takeover_tasklets+0xa90/0xa90
[  387.379221]  run_ksoftirqd+0x5e/0x100
[  387.383028]  smpboot_thread_fn+0x68b/0xa00
[  387.387259]  ? sort_range+0x30/0x30
[  387.390881]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  387.395979]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  387.401530]  ? __kthread_parkme+0xfb/0x1a0
[  387.405803]  ? sort_range+0x30/0x30
[  387.409458]  kthread+0x35a/0x440
[  387.412820]  ? kthread_stop+0x900/0x900
[  387.416789]  ret_from_fork+0x3a/0x50
[  387.420514] warn_alloc_show_mem: 1 callbacks suppressed
[  387.420523] CPU: 1 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  387.420525] Mem-Info:
[  387.420552] active_anon:44321 inactive_anon:2061 isolated_anon:0
[  387.420552]  active_file:14 inactive_file:14 isolated_file:0
[  387.420552]  unevictable:0 dirty:0 writeback:0 unstable:0
[  387.420552]  slab_reclaimable:9437 slab_unreclaimable:1460937
[  387.420552]  mapped:49154 shmem:2105 pagetables:642 bounce:0
[  387.420552]  free:13638 free_pcp:328 free_cma:0
[  387.425883] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  387.432809] Node 0 active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8420kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  387.435200] Call Trace:
[  387.468234] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  387.477590]  <IRQ>
[  387.505156] lowmem_reserve[]: 0 2818 6321 6321
[  387.507745]  dump_stack+0x244/0x39d
[  387.533826] Node 0 DMA32 free:24708kB 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
[  387.535971]  ? dump_stack_print_info.cold.1+0x20/0x20
[  387.540533] lowmem_reserve[]: 0 0 3503 3503
[  387.544163]  warn_alloc.cold.116+0xb7/0x1bd
[  387.571634] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2568kB bounce:0kB free_pcp:1064kB local_pcp:692kB free_cma:0kB
[  387.576817]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  387.581112] lowmem_reserve[]: 0 0 0 0
[  387.585425]  ? lock_downgrade+0x900/0x900
[  387.614456] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  387.619318]  ? trace_hardirqs_off+0xb8/0x310
[  387.623106] Node 0 DMA32: 5*4kB (UM) 2*8kB (MH) 2*16kB (MH) 4*32kB (MH) 3*64kB (M) 2*128kB (M) 4*256kB (UMH) 3*512kB (UM) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24708kB
[  387.627289]  ? trace_hardirqs_off+0xb8/0x310
[  387.640795] Node 0 Normal: 930*4kB (MEH) 535*8kB (UMEH) 215*16kB (UME) 80*32kB (UMH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  387.645210]  __alloc_pages_slowpath+0x26e8/0x2e10
[  387.660708] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  387.665132]  ? warn_alloc+0x120/0x120
[  387.678873] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  387.683697]  ? warn_alloc+0x120/0x120
[  387.692500] 2133 total pagecache pages
[  387.696304]  ? warn_alloc+0x120/0x120
[  387.704852] 0 pages in swap cache
[  387.708634]  ? print_usage_bug+0xc0/0xc0
[  387.712493] Swap cache stats: add 0, delete 0, find 0/0
[  387.716281]  ? print_usage_bug+0xc0/0xc0
[  387.719717] Free swap  = 0kB
[  387.723784]  ? mark_held_locks+0x130/0x130
[  387.729116] Total swap = 0kB
[  387.733197]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  387.736201] 1965979 pages RAM
[  387.740481]  ? should_fail+0x22d/0xd01
[  387.743473] 0 pages HighMem/MovableOnly
[  387.743480] 342853 pages reserved
[  387.749016]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  387.752108] 0 pages cma reserved
[  387.755999]  ? __lock_acquire+0x62f/0x4c20
[  387.760159] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  387.763449]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  387.768540] ksoftirqd/0 cpuset=/ mems_allowed=0
[  387.771895]  ? should_fail+0x22d/0xd01
[  387.800034]  ? mark_held_locks+0x130/0x130
[  387.804282]  ? mark_held_locks+0x130/0x130
[  387.808523]  ? print_usage_bug+0xc0/0xc0
[  387.812599]  ? find_held_lock+0x36/0x1c0
[  387.816654]  ? zap_class+0x640/0x640
[  387.820364]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.825891]  ? check_preemption_disabled+0x48/0x280
[  387.830922]  ? __lock_is_held+0xb5/0x140
[  387.835008]  __alloc_pages_nodemask+0xa80/0xde0
[  387.839687]  ? zap_class+0x640/0x640
[  387.843396]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  387.848413]  ? find_held_lock+0x36/0x1c0
[  387.852475]  ? ____cache_alloc_node+0x1c7/0x1e0
[  387.857136]  ? lock_downgrade+0x900/0x900
[  387.861298]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.866863]  cache_grow_begin+0xa5/0x8c0
[  387.870952]  ? do_raw_spin_unlock+0xa7/0x330
[  387.875362]  fallback_alloc+0x204/0x2e0
[  387.879386]  ____cache_alloc_node+0x1c7/0x1e0
[  387.883908]  kmem_cache_alloc_node+0xe3/0x730
[  387.888394]  ? mark_held_locks+0xc7/0x130
[  387.892573]  __alloc_skb+0x119/0x770
[  387.896321]  ? netdev_alloc_frag+0x1f0/0x1f0
[  387.900751]  ? do_raw_spin_trylock+0x270/0x270
[  387.905342]  ? kmem_cache_alloc_trace+0x353/0x750
[  387.910211]  ? queue_work_on+0x12c/0x1e0
[  387.914292]  ? switchdev_port_obj_del+0xdc/0x440
[  387.919073]  ? switchdev_trans_item_enqueue+0x260/0x260
[  387.924432]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  387.929444]  __br_mdb_notify+0x4ff/0x15d0
[  387.933600]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  387.938705]  ? __br_mdb_add+0x7f0/0x7f0
[  387.942694]  ? mark_held_locks+0x130/0x130
[  387.946926]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  387.952040]  ? debug_object_assert_init+0x368/0x4b0
[  387.957086]  ? debug_object_init_on_stack+0x20/0x20
[  387.962092]  ? zap_class+0x640/0x640
[  387.965817]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.971366]  br_mdb_notify+0x310/0x410
[  387.975264]  ? br_mdb_dump+0x27b0/0x27b0
[  387.979350]  br_multicast_del_pg+0x3df/0x790
[  387.983759]  ? br_mdb_ip_get+0x940/0x940
[  387.987865]  ? rwlock_bug.part.2+0x90/0x90
[  387.992099]  ? __lock_is_held+0xb5/0x140
[  387.996173]  br_multicast_port_group_expired+0x189/0x1e0
[  388.001629]  call_timer_fn+0x272/0x920
[  388.005529]  ? br_multicast_del_pg+0x790/0x790
[  388.010106]  ? process_timeout+0x40/0x40
[  388.014195]  ? mark_held_locks+0xc7/0x130
[  388.018333]  ? _raw_spin_unlock_irq+0x27/0x80
[  388.022840]  ? _raw_spin_unlock_irq+0x27/0x80
[  388.027332]  ? br_multicast_del_pg+0x790/0x790
[  388.031936]  ? lockdep_hardirqs_on+0x296/0x5b0
[  388.036527]  ? trace_hardirqs_on+0xbd/0x310
[  388.040863]  ? kasan_check_read+0x11/0x20
[  388.044999]  ? __run_timers+0x7da/0xc70
[  388.048963]  ? trace_hardirqs_off_caller+0x310/0x310
[  388.054059]  ? br_multicast_del_pg+0x790/0x790
[  388.058651]  ? br_multicast_del_pg+0x790/0x790
[  388.063290]  __run_timers+0x7e5/0xc70
[  388.067091]  ? timer_fixup_init+0x70/0x70
[  388.071245]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  388.076297]  ? zap_class+0x640/0x640
[  388.080009]  ? print_usage_bug+0xc0/0xc0
[  388.084060]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  388.089245]  ? find_held_lock+0x36/0x1c0
[  388.093357]  ? zap_class+0x640/0x640
[  388.097084]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.102656]  ? check_preemption_disabled+0x48/0x280
[  388.107671]  ? __lock_is_held+0xb5/0x140
[  388.111728]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.117293]  ? check_preemption_disabled+0x48/0x280
[  388.122316]  run_timer_softirq+0x52/0xb0
[  388.126381]  ? rcu_read_lock_sched_held+0x14f/0x180
[  388.131417]  __do_softirq+0x308/0xb7e
[  388.135208]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  388.139692]  ? lock_downgrade+0x900/0x900
[  388.143851]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  388.148955]  ? pvclock_read_flags+0x160/0x160
[  388.153442]  ? lapic_next_event+0x5a/0x90
[  388.157681]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.163214]  ? kvm_clock_read+0x18/0x30
[  388.167177]  ? kvm_sched_clock_read+0x9/0x20
[  388.171577]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.177108]  ? check_preemption_disabled+0x48/0x280
[  388.182124]  irq_exit+0x17f/0x1c0
[  388.185568]  smp_apic_timer_interrupt+0x1cb/0x760
[  388.190402]  ? smp_reschedule_interrupt+0x109/0x650
[  388.195443]  ? smp_call_function_single_interrupt+0x650/0x650
[  388.201352]  ? interrupt_entry+0xb5/0xc0
[  388.205413]  ? trace_hardirqs_off_caller+0xbb/0x310
[  388.210421]  ? trace_hardirqs_off_caller+0xbb/0x310
[  388.215464]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  388.220326]  ? trace_hardirqs_on_caller+0x310/0x310
[  388.225364]  ? trace_hardirqs_on_caller+0x310/0x310
[  388.230369]  ? task_prio+0x50/0x50
[  388.233899]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.239430]  ? check_preemption_disabled+0x48/0x280
[  388.244442]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  388.249326]  apic_timer_interrupt+0xf/0x20
[  388.253564]  </IRQ>
[  388.255812] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  388.260994] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec
[  388.279913] RSP: 0018:ffff8801c2d36100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  388.287626] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100385b2de6
[  388.294895] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c2d96ebc
[  388.302186] RBP: ffff8801c2d36128 R08: ffff8801c2d96f30 R09: 0000000000000006
[  388.309444] R10: 0000000000000000 R11: ffff8801c2d96640 R12: dffffc0000000000
[  388.316699] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  388.323994]  retint_kernel+0x1b/0x2d
[  388.327695] RIP: 0010:dump_stack+0x358/0x39d
[  388.332105] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  388.351012] RSP: 0018:ffff8801c2d361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  388.358708] RAX: ffff8801c2d96640 RBX: 1ffffffff12a3f76 RCX: 1ffff100385b2de6
[  388.365972] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  388.373257] RBP: ffff8801c2d36290 R08: ffff8801c2d96f30 R09: 0000000000000006
[  388.380542] R10: 0000000000000000 R11: ffff8801c2d96640 R12: 1ffff100385a6c45
[  388.387801] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  388.395091]  ? dump_stack+0x34f/0x39d
[  388.398912]  ? dump_stack_print_info.cold.1+0x20/0x20
[  388.404096]  ? mark_held_locks+0x130/0x130
[  388.408328]  ? mark_held_locks+0x130/0x130
[  388.412578]  dump_header+0x27b/0xf72
[  388.416299]  ? pagefault_out_of_memory+0x197/0x197
[  388.421226]  ? __lock_acquire+0x62f/0x4c20
[  388.425453]  ? percpu_ref_get_many+0x240/0x240
[  388.430041]  ? print_usage_bug+0xc0/0xc0
[  388.434102]  ? zap_class+0x640/0x640
[  388.437811]  ? print_usage_bug+0xc0/0xc0
[  388.441861]  ? print_usage_bug+0xc0/0xc0
[  388.445946]  ? zap_class+0x640/0x640
[  388.449662]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.455199]  ? find_held_lock+0x36/0x1c0
[  388.459293]  ? mark_held_locks+0xc7/0x130
[  388.463447]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  388.468545]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  388.473650]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  388.478232]  ? trace_hardirqs_on+0xbd/0x310
[  388.482596]  ? kasan_check_read+0x11/0x20
[  388.486734]  ? ___ratelimit+0x3b4/0x672
[  388.490703]  ? trace_hardirqs_off_caller+0x310/0x310
[  388.495795]  ? trace_hardirqs_on+0x310/0x310
[  388.500192]  ? lock_downgrade+0x900/0x900
[  388.504335]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  388.509431]  ? ___ratelimit+0x3b9/0x672
[  388.513400]  ? idr_get_free+0xf70/0xf70
[  388.517365]  ? find_held_lock+0x36/0x1c0
[  388.521422]  oom_kill_process.cold.27+0x10/0x903
[  388.526166]  ? zap_class+0x640/0x640
[  388.529913]  ? check_preemption_disabled+0x48/0x280
[  388.534955]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  388.539899]  ? kasan_check_read+0x11/0x20
[  388.544039]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  388.549305]  ? oom_evaluate_task+0x540/0x540
[  388.553708]  ? find_held_lock+0x36/0x1c0
[  388.557785]  ? out_of_memory+0x974/0x1430
[  388.561954]  ? lock_downgrade+0x900/0x900
[  388.566097]  ? check_preemption_disabled+0x48/0x280
[  388.571127]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  388.576066]  ? kasan_check_read+0x11/0x20
[  388.580206]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  388.585473]  ? rcu_softirq_qs+0x20/0x20
[  388.589467]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  388.595016]  ? oom_evaluate_task+0x302/0x540
[  388.599418]  out_of_memory+0xa84/0x1430
[  388.603406]  ? oom_killer_disable+0x3a0/0x3a0
[  388.607922]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  388.612861]  ? __ww_mutex_check_waiters+0x160/0x160
[  388.617881]  __alloc_pages_slowpath+0x2354/0x2e10
[  388.622738]  ? warn_alloc+0x120/0x120
[  388.626548]  ? mark_held_locks+0x130/0x130
[  388.630795]  ? find_get_entry+0xaae/0x1120
[  388.635026]  ? filemap_map_pages+0x1a20/0x1a20
[  388.639632]  ? zap_class+0x640/0x640
[  388.643343]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.648882]  ? check_preemption_disabled+0x48/0x280
[  388.653888]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  388.659413]  ? should_fail+0x22d/0xd01
[  388.663300]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  388.668398]  ? zap_class+0x640/0x640
[  388.672142]  ? __lock_is_held+0xb5/0x140
[  388.676215]  ? mark_held_locks+0x130/0x130
[  388.680473]  ? lock_release+0xa00/0xa00
[  388.684438]  ? perf_trace_sched_process_exec+0x860/0x860
[  388.689893]  ? xa_load+0x2ba/0x460
[  388.693423]  ? lock_downgrade+0x900/0x900
[  388.697581]  ? __might_sleep+0x95/0x190
[  388.701550]  __alloc_pages_nodemask+0xa80/0xde0
[  388.706223]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  388.711229]  ? __page_cache_alloc+0x191/0x5c0
[  388.715711]  ? xa_load+0x2e1/0x460
[  388.719262]  ? xa_clear_mark+0x40/0x40
[  388.723164]  ? zap_class+0x640/0x640
[  388.726879]  ? zap_class+0x640/0x640
[  388.730595]  ? zap_class+0x640/0x640
[  388.734332]  ? __do_page_cache_readahead+0x663/0x810
[  388.739432]  ? find_held_lock+0x36/0x1c0
[  388.743487]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  388.749031]  alloc_pages_current+0x173/0x350
[  388.753974]  __page_cache_alloc+0x38c/0x5c0
[  388.758327]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  388.763259]  ? kasan_check_read+0x11/0x20
[  388.767415]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  388.772693]  ? generic_perform_write+0x6a0/0x6a0
[  388.777440]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  388.782972]  ? check_preemption_disabled+0x48/0x280
[  388.787989]  filemap_fault+0x1595/0x25f0
[  388.792053]  ? __lock_page_or_retry+0xa00/0xa00
[  388.796715]  ? mark_held_locks+0x130/0x130
[  388.800963]  ? filemap_map_pages+0xd6b/0x1a20
[  388.805476]  ? lock_downgrade+0x900/0x900
[  388.809642]  ? check_preemption_disabled+0x48/0x280
[  388.814689]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  388.819649]  ? kasan_check_read+0x11/0x20
[  388.823823]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  388.829094]  ? rcu_softirq_qs+0x20/0x20
[  388.833078]  ? filemap_map_pages+0xd92/0x1a20
[  388.837583]  ? find_get_entries_tag+0x1400/0x1400
[  388.842420]  ? find_held_lock+0x36/0x1c0
[  388.846496]  ? lock_acquire+0x1ed/0x520
[  388.850500]  ? ext4_filemap_fault+0x7a/0xad
[  388.854829]  ? lock_release+0xa00/0xa00
[  388.858812]  ? perf_trace_sched_process_exec+0x860/0x860
[  388.864319]  ? print_usage_bug+0xc0/0xc0
[  388.868397]  ? down_read+0x8d/0x120
[  388.872058]  ? ext4_filemap_fault+0x7a/0xad
[  388.876393]  ? __down_interruptible+0x700/0x700
[  388.881059]  ? find_held_lock+0x36/0x1c0
[  388.885122]  ext4_filemap_fault+0x82/0xad
[  388.889289]  __do_fault+0x100/0x6b0
[  388.892914]  ? lock_downgrade+0x900/0x900
[  388.897079]  ? pmd_devmap_trans_unstable+0x220/0x220
[  388.902186]  ? kasan_check_read+0x11/0x20
[  388.906356]  ? do_raw_spin_unlock+0xa7/0x330
[  388.910777]  ? do_raw_spin_trylock+0x270/0x270
[  388.915398]  __handle_mm_fault+0x3ea0/0x5be0
[  388.919814]  ? perf_trace_lock+0x7a0/0x7a0
[  388.924096]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  388.928975]  ? zap_class+0x640/0x640
[  388.932701]  ? zap_class+0x640/0x640
[  388.936409]  ? __x64_sys_futex+0x53e/0x6a0
[  388.940643]  ? find_held_lock+0x36/0x1c0
[  388.944711]  ? handle_mm_fault+0x42a/0xc70
[  388.948986]  ? lock_downgrade+0x900/0x900
[  388.953150]  ? check_preemption_disabled+0x48/0x280
[  388.958176]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  388.963111]  ? kasan_check_read+0x11/0x20
[  388.967271]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  388.972543]  ? rcu_softirq_qs+0x20/0x20
[  388.976538]  ? trace_hardirqs_off_caller+0x310/0x310
[  388.981666]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  388.987202]  ? check_preemption_disabled+0x48/0x280
[  388.992237]  handle_mm_fault+0x54f/0xc70
[  388.996298]  ? __handle_mm_fault+0x5be0/0x5be0
[  389.000876]  ? find_vma+0x34/0x190
[  389.004435]  __do_page_fault+0x5e8/0xe60
[  389.008525]  ? trace_hardirqs_off+0xb8/0x310
[  389.012925]  ? kernel_write+0x120/0x120
[  389.016922]  do_page_fault+0xf2/0x7e0
[  389.020718]  ? vmalloc_sync_all+0x30/0x30
[  389.024869]  ? error_entry+0x70/0xd0
[  389.028588]  ? trace_hardirqs_off_caller+0xbb/0x310
[  389.033613]  ? trace_hardirqs_on_caller+0xc0/0x310
[  389.038533]  ? syscall_return_slowpath+0x5e0/0x5e0
[  389.043511]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  389.048346]  ? trace_hardirqs_on_caller+0x310/0x310
[  389.053373]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  389.058820]  ? prepare_exit_to_usermode+0x291/0x3b0
[  389.063858]  ? page_fault+0x8/0x30
[  389.067392]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  389.072226]  ? page_fault+0x8/0x30
[  389.075757]  page_fault+0x1e/0x30
[  389.079230] RIP: 0033:0x404068
[  389.082433] Code: Bad RIP value.
[  389.085797] RSP: 002b:000000c420024e48 EFLAGS: 00010206
[  389.091147] RAX: 000000c422dd4cc0 RBX: 000000c42875f801 RCX: 000000c424d31838
[  389.098400] RDX: 000000c422dd4cc0 RSI: 0000000000000001 RDI: 0000000000000001
[  389.105655] RBP: 000000c420024ed8 R08: 00007ffd3a9b40b0 R09: 00007ffd3a9b4080
[  389.112931] R10: 000000000000eacc R11: 0000000000000165 R12: 0000000000000001
[  389.120211] R13: 000000c4271c3620 R14: 0000000000000001 R15: 0000000000000000
[  389.127491] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #83
[  389.127638] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  389.134258] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  389.144478] syz-fuzzer cpuset=/ mems_allowed=0
[  389.153814] Call Trace:
[  389.160967]  dump_stack+0x244/0x39d
[  389.164619]  ? dump_stack_print_info.cold.1+0x20/0x20
[  389.169827]  warn_alloc.cold.116+0xb7/0x1bd
[  389.174143]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  389.179012]  ? lock_downgrade+0x900/0x900
[  389.183170]  ? trace_hardirqs_off+0xb8/0x310
[  389.187604]  ? trace_hardirqs_off+0xb8/0x310
[  389.192021]  __alloc_pages_slowpath+0x26e8/0x2e10
[  389.196898]  ? warn_alloc+0x120/0x120
[  389.200693]  ? warn_alloc+0x120/0x120
[  389.204483]  ? __bfs+0xb0/0x780
[  389.207760]  ? warn_alloc+0x120/0x120
[  389.211572]  ? print_usage_bug+0xc0/0xc0
[  389.215630]  ? print_usage_bug+0xc0/0xc0
[  389.219701]  ? check_usage+0x1aa/0x790
[  389.223597]  ? check_usage+0x1aa/0x790
[  389.227486]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  389.233021]  ? should_fail+0x22d/0xd01
[  389.236902]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  389.242000]  ? __lock_acquire+0x62f/0x4c20
[  389.246242]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  389.251335]  ? __lock_acquire+0x62f/0x4c20
[  389.255558]  ? should_fail+0x22d/0xd01
[  389.259448]  ? mark_held_locks+0x130/0x130
[  389.263697]  ? mark_held_locks+0x130/0x130
[  389.267955]  ? zap_class+0x640/0x640
[  389.271658]  ? ret_from_fork+0x3a/0x50
[  389.275588]  ? __lock_acquire+0x62f/0x4c20
[  389.279848]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.285395]  ? check_preemption_disabled+0x48/0x280
[  389.290425]  ? __lock_is_held+0xb5/0x140
[  389.294539]  __alloc_pages_nodemask+0xa80/0xde0
[  389.299250]  ? zap_class+0x640/0x640
[  389.302971]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  389.308016]  ? find_held_lock+0x36/0x1c0
[  389.312087]  ? ____cache_alloc_node+0x1c7/0x1e0
[  389.316765]  ? lock_downgrade+0x900/0x900
[  389.320931]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.326473]  cache_grow_begin+0xa5/0x8c0
[  389.330539]  ? do_raw_spin_unlock+0xa7/0x330
[  389.334978]  fallback_alloc+0x204/0x2e0
[  389.338964]  ____cache_alloc_node+0x1c7/0x1e0
[  389.343474]  kmem_cache_alloc_node+0xe3/0x730
[  389.347996]  ? mark_held_locks+0xc7/0x130
[  389.352172]  __alloc_skb+0x119/0x770
[  389.355898]  ? netdev_alloc_frag+0x1f0/0x1f0
[  389.360306]  ? do_raw_spin_trylock+0x270/0x270
[  389.364890]  ? kmem_cache_alloc_trace+0x353/0x750
[  389.369761]  ? queue_work_on+0x12c/0x1e0
[  389.373853]  ? switchdev_port_obj_del+0xdc/0x440
[  389.378626]  ? switchdev_trans_item_enqueue+0x260/0x260
[  389.383994]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  389.389020]  __br_mdb_notify+0x4ff/0x15d0
[  389.393182]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  389.398291]  ? __br_mdb_add+0x7f0/0x7f0
[  389.402271]  ? mark_held_locks+0x130/0x130
[  389.406519]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  389.411625]  ? debug_object_assert_init+0x368/0x4b0
[  389.416647]  ? debug_object_init_on_stack+0x20/0x20
[  389.421665]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.427226]  br_mdb_notify+0x310/0x410
[  389.431131]  ? br_mdb_dump+0x27b0/0x27b0
[  389.435227]  br_multicast_del_pg+0x3df/0x790
[  389.439644]  ? br_mdb_ip_get+0x940/0x940
[  389.443704]  ? rwlock_bug.part.2+0x90/0x90
[  389.447943]  ? __lock_is_held+0xb5/0x140
[  389.452012]  br_multicast_port_group_expired+0x189/0x1e0
[  389.457462]  call_timer_fn+0x272/0x920
[  389.461347]  ? br_multicast_del_pg+0x790/0x790
[  389.465938]  ? process_timeout+0x40/0x40
[  389.470005]  ? __run_timers+0x7da/0xc70
[  389.473981]  ? _raw_spin_unlock_irq+0x27/0x80
[  389.478471]  ? _raw_spin_unlock_irq+0x27/0x80
[  389.482979]  ? br_multicast_del_pg+0x790/0x790
[  389.487607]  ? lockdep_hardirqs_on+0x296/0x5b0
[  389.492202]  ? trace_hardirqs_on+0xbd/0x310
[  389.496541]  ? kasan_check_read+0x11/0x20
[  389.500687]  ? __run_timers+0x7da/0xc70
[  389.504656]  ? trace_hardirqs_off_caller+0x310/0x310
[  389.509784]  ? br_multicast_del_pg+0x790/0x790
[  389.514388]  ? br_multicast_del_pg+0x790/0x790
[  389.518979]  __run_timers+0x7e5/0xc70
[  389.522790]  ? timer_fixup_init+0x70/0x70
[  389.526933]  ? _raw_spin_unlock_irq+0x27/0x80
[  389.531422]  ? _raw_spin_unlock_irq+0x27/0x80
[  389.535915]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  389.540492]  ? trace_hardirqs_on+0xbd/0x310
[  389.544816]  ? kasan_check_read+0x11/0x20
[  389.548974]  ? finish_task_switch+0x1f4/0x910
[  389.553479]  ? trace_hardirqs_off_caller+0x310/0x310
[  389.558578]  ? compat_start_thread+0x80/0x80
[  389.562992]  ? pvclock_read_flags+0x160/0x160
[  389.567477]  ? __switch_to_asm+0x34/0x70
[  389.571549]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.577097]  ? check_preemption_disabled+0x48/0x280
[  389.582134]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  389.587667]  ? rcu_pm_notify+0xc0/0xc0
[  389.591571]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.597103]  ? check_preemption_disabled+0x48/0x280
[  389.602167]  run_timer_softirq+0x52/0xb0
[  389.606259]  ? rcu_read_lock_sched_held+0x14f/0x180
[  389.611267]  __do_softirq+0x308/0xb7e
[  389.615065]  ? trace_hardirqs_on_caller+0xc0/0x310
[  389.620007]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  389.625111]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  389.630559]  ? schedule+0x108/0x460
[  389.634202]  ? trace_hardirqs_off+0xb8/0x310
[  389.638613]  ? smpboot_thread_fn+0x68b/0xa00
[  389.643029]  ? trace_hardirqs_on+0x310/0x310
[  389.647447]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  389.652989]  ? check_preemption_disabled+0x48/0x280
[  389.657996]  ? takeover_tasklets+0xa90/0xa90
[  389.662395]  run_ksoftirqd+0x5e/0x100
[  389.666184]  smpboot_thread_fn+0x68b/0xa00
[  389.670410]  ? sort_range+0x30/0x30
[  389.674026]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  389.679136]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  389.684665]  ? __kthread_parkme+0xfb/0x1a0
[  389.688890]  ? sort_range+0x30/0x30
[  389.692527]  kthread+0x35a/0x440
[  389.695902]  ? kthread_stop+0x900/0x900
[  389.699884]  ret_from_fork+0x3a/0x50
[  389.703603] CPU: 1 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  389.703607] warn_alloc_show_mem: 1 callbacks suppressed
[  389.703612] Mem-Info:
[  389.710537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  389.715897] active_anon:44321 inactive_anon:2061 isolated_anon:0
[  389.715897]  active_file:14 inactive_file:14 isolated_file:0
[  389.715897]  unevictable:0 dirty:0 writeback:0 unstable:0
[  389.715897]  slab_reclaimable:9437 slab_unreclaimable:1460937
[  389.715897]  mapped:49154 shmem:2105 pagetables:642 bounce:0
[  389.715897]  free:13638 free_pcp:328 free_cma:0
[  389.718271] Call Trace:
[  389.727677] Node 0 active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8420kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  389.760703]  <IRQ>
[  389.763275] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  389.790848]  dump_stack+0x244/0x39d
[  389.792981] lowmem_reserve[]: 0 2818 6321 6321
[  389.819117]  ? dump_stack_print_info.cold.1+0x20/0x20
[  389.822733] Node 0 DMA32 free:24708kB 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
[  389.827310]  warn_alloc.cold.116+0xb7/0x1bd
[  389.832470] lowmem_reserve[]: 0 0 3503 3503
[  389.859959]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  389.864248] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2568kB bounce:0kB free_pcp:1064kB local_pcp:692kB free_cma:0kB
[  389.868563]  ? lock_downgrade+0x900/0x900
[  389.873376] lowmem_reserve[]: 0 0 0 0
[  389.902439]  ? trace_hardirqs_off+0xb8/0x310
[  389.906556] 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
[  389.910348]  ? trace_hardirqs_off+0xb8/0x310
[  389.914728] Node 0 DMA32: 5*4kB (UM) 2*8kB (MH) 2*16kB (MH) 4*32kB (MH) 3*64kB (M) 2*128kB (M) 4*256kB (UMH) 3*512kB (UM) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24708kB
[  389.928252]  __alloc_pages_slowpath+0x26e8/0x2e10
[  389.932645] Node 0 Normal: 930*4kB (MEH) 535*8kB (UMEH) 215*16kB (UME) 80*32kB (UMH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  389.948176]  ? warn_alloc+0x120/0x120
[  389.952980] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  389.966755]  ? warn_alloc+0x120/0x120
[  389.970581] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  389.979398]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  389.983170] 2133 total pagecache pages
[  389.991731]  ? warn_alloc+0x120/0x120
[  389.996725] 0 pages in swap cache
[  390.000598]  ? print_usage_bug+0xc0/0xc0
[  390.004378] Swap cache stats: add 0, delete 0, find 0/0
[  390.007830]  ? print_usage_bug+0xc0/0xc0
[  390.011884] Free swap  = 0kB
[  390.017265]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  390.021314] Total swap = 0kB
[  390.024322]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  390.029498] 1965979 pages RAM
[  390.032533]  ? should_fail+0x22d/0xd01
[  390.038039] 0 pages HighMem/MovableOnly
[  390.038047] 342853 pages reserved
[  390.041175]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  390.045047] 0 pages cma reserved
[  390.049008]  ? __lock_acquire+0x62f/0x4c20
[  390.065123]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  390.070238]  ? should_fail+0x22d/0xd01
[  390.074178]  ? mark_held_locks+0x130/0x130
[  390.078454]  ? mark_held_locks+0x130/0x130
[  390.082707]  ? print_usage_bug+0xc0/0xc0
[  390.086794]  ? find_held_lock+0x36/0x1c0
[  390.090865]  ? zap_class+0x640/0x640
[  390.094623]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.100197]  ? check_preemption_disabled+0x48/0x280
[  390.105262]  ? __lock_is_held+0xb5/0x140
[  390.109324]  __alloc_pages_nodemask+0xa80/0xde0
[  390.113983]  ? zap_class+0x640/0x640
[  390.117719]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  390.122738]  ? find_held_lock+0x36/0x1c0
[  390.126797]  ? ____cache_alloc_node+0x1c7/0x1e0
[  390.131461]  ? lock_downgrade+0x900/0x900
[  390.135620]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.141154]  cache_grow_begin+0xa5/0x8c0
[  390.145219]  ? do_raw_spin_unlock+0xa7/0x330
[  390.149645]  fallback_alloc+0x204/0x2e0
[  390.153650]  ____cache_alloc_node+0x1c7/0x1e0
[  390.158174]  kmem_cache_alloc_node+0xe3/0x730
[  390.162679]  ? mark_held_locks+0xc7/0x130
[  390.166844]  __alloc_skb+0x119/0x770
[  390.170556]  ? netdev_alloc_frag+0x1f0/0x1f0
[  390.174975]  ? do_raw_spin_trylock+0x270/0x270
[  390.179551]  ? kmem_cache_alloc_trace+0x353/0x750
[  390.184391]  ? queue_work_on+0x12c/0x1e0
[  390.188449]  ? switchdev_port_obj_del+0xdc/0x440
[  390.193204]  ? switchdev_trans_item_enqueue+0x260/0x260
[  390.198575]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  390.203629]  __br_mdb_notify+0x4ff/0x15d0
[  390.207783]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  390.212904]  ? __br_mdb_add+0x7f0/0x7f0
[  390.216907]  ? mark_held_locks+0x130/0x130
[  390.221144]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  390.226258]  ? debug_object_assert_init+0x368/0x4b0
[  390.231291]  ? debug_object_init_on_stack+0x20/0x20
[  390.236300]  ? zap_class+0x640/0x640
[  390.240013]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.245587]  br_mdb_notify+0x310/0x410
[  390.249501]  ? br_mdb_dump+0x27b0/0x27b0
[  390.253585]  br_multicast_del_pg+0x3df/0x790
[  390.258008]  ? br_mdb_ip_get+0x940/0x940
[  390.262063]  ? rwlock_bug.part.2+0x90/0x90
[  390.266311]  ? __lock_is_held+0xb5/0x140
[  390.270374]  br_multicast_port_group_expired+0x189/0x1e0
[  390.275835]  call_timer_fn+0x272/0x920
[  390.279740]  ? br_multicast_del_pg+0x790/0x790
[  390.284319]  ? process_timeout+0x40/0x40
[  390.288381]  ? mark_held_locks+0xc7/0x130
[  390.292526]  ? _raw_spin_unlock_irq+0x27/0x80
[  390.297017]  ? _raw_spin_unlock_irq+0x27/0x80
[  390.301505]  ? br_multicast_del_pg+0x790/0x790
[  390.306117]  ? lockdep_hardirqs_on+0x296/0x5b0
[  390.310696]  ? trace_hardirqs_on+0xbd/0x310
[  390.315031]  ? kasan_check_read+0x11/0x20
[  390.319203]  ? __run_timers+0x7da/0xc70
[  390.323173]  ? trace_hardirqs_off_caller+0x310/0x310
[  390.328280]  ? br_multicast_del_pg+0x790/0x790
[  390.332866]  ? br_multicast_del_pg+0x790/0x790
[  390.337443]  __run_timers+0x7e5/0xc70
[  390.341241]  ? timer_fixup_init+0x70/0x70
[  390.345424]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  390.350464]  ? zap_class+0x640/0x640
[  390.354176]  ? print_usage_bug+0xc0/0xc0
[  390.358231]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  390.363439]  ? find_held_lock+0x36/0x1c0
[  390.367533]  ? zap_class+0x640/0x640
[  390.371266]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.376801]  ? check_preemption_disabled+0x48/0x280
[  390.381832]  ? __lock_is_held+0xb5/0x140
[  390.385884]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.391424]  ? check_preemption_disabled+0x48/0x280
[  390.396447]  run_timer_softirq+0x52/0xb0
[  390.400499]  ? rcu_read_lock_sched_held+0x14f/0x180
[  390.405517]  __do_softirq+0x308/0xb7e
[  390.409314]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  390.413816]  ? lock_downgrade+0x900/0x900
[  390.417973]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  390.423073]  ? pvclock_read_flags+0x160/0x160
[  390.427561]  ? lapic_next_event+0x5a/0x90
[  390.431717]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.437247]  ? kvm_clock_read+0x18/0x30
[  390.441237]  ? kvm_sched_clock_read+0x9/0x20
[  390.445641]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.451203]  ? check_preemption_disabled+0x48/0x280
[  390.456237]  irq_exit+0x17f/0x1c0
[  390.459695]  smp_apic_timer_interrupt+0x1cb/0x760
[  390.464534]  ? smp_reschedule_interrupt+0x109/0x650
[  390.469548]  ? smp_call_function_single_interrupt+0x650/0x650
[  390.475424]  ? interrupt_entry+0xb5/0xc0
[  390.479497]  ? trace_hardirqs_off_caller+0xbb/0x310
[  390.484522]  ? trace_hardirqs_off_caller+0xbb/0x310
[  390.489555]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  390.494423]  ? trace_hardirqs_on_caller+0x310/0x310
[  390.499447]  ? trace_hardirqs_on_caller+0x310/0x310
[  390.504456]  ? task_prio+0x50/0x50
[  390.507988]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.513527]  ? check_preemption_disabled+0x48/0x280
[  390.518617]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  390.523487]  apic_timer_interrupt+0xf/0x20
[  390.527745]  </IRQ>
[  390.529993] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  390.535189] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec
[  390.554096] RSP: 0018:ffff8801c2d36100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  390.561827] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100385b2de6
[  390.569098] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c2d96ebc
[  390.576359] RBP: ffff8801c2d36128 R08: ffff8801c2d96f30 R09: 0000000000000006
[  390.583636] R10: 0000000000000000 R11: ffff8801c2d96640 R12: dffffc0000000000
[  390.590917] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  390.598239]  retint_kernel+0x1b/0x2d
[  390.601997] RIP: 0010:dump_stack+0x358/0x39d
[  390.606395] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  390.625397] RSP: 0018:ffff8801c2d361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  390.633092] RAX: ffff8801c2d96640 RBX: 1ffffffff12a3f76 RCX: 1ffff100385b2de6
[  390.640362] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  390.647617] RBP: ffff8801c2d36290 R08: ffff8801c2d96f30 R09: 0000000000000006
[  390.654888] R10: 0000000000000000 R11: ffff8801c2d96640 R12: 1ffff100385a6c45
[  390.662141] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  390.669412]  ? dump_stack+0x34f/0x39d
[  390.673212]  ? dump_stack_print_info.cold.1+0x20/0x20
[  390.678432]  ? mark_held_locks+0x130/0x130
[  390.682656]  ? mark_held_locks+0x130/0x130
[  390.687001]  dump_header+0x27b/0xf72
[  390.690718]  ? pagefault_out_of_memory+0x197/0x197
[  390.695645]  ? __lock_acquire+0x62f/0x4c20
[  390.699872]  ? percpu_ref_get_many+0x240/0x240
[  390.704457]  ? print_usage_bug+0xc0/0xc0
[  390.708516]  ? zap_class+0x640/0x640
[  390.712285]  ? print_usage_bug+0xc0/0xc0
[  390.716371]  ? print_usage_bug+0xc0/0xc0
[  390.720425]  ? zap_class+0x640/0x640
[  390.724140]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.729703]  ? find_held_lock+0x36/0x1c0
[  390.733766]  ? mark_held_locks+0xc7/0x130
[  390.737932]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  390.743032]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  390.748126]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  390.753165]  ? trace_hardirqs_on+0xbd/0x310
[  390.757478]  ? kasan_check_read+0x11/0x20
[  390.761623]  ? ___ratelimit+0x3b4/0x672
[  390.765591]  ? trace_hardirqs_off_caller+0x310/0x310
[  390.770687]  ? trace_hardirqs_on+0x310/0x310
[  390.775094]  ? lock_downgrade+0x900/0x900
[  390.779248]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  390.784355]  ? ___ratelimit+0x3b9/0x672
[  390.788345]  ? idr_get_free+0xf70/0xf70
[  390.792313]  ? find_held_lock+0x36/0x1c0
[  390.796396]  oom_kill_process.cold.27+0x10/0x903
[  390.801196]  ? zap_class+0x640/0x640
[  390.804909]  ? check_preemption_disabled+0x48/0x280
[  390.809934]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  390.814880]  ? kasan_check_read+0x11/0x20
[  390.819044]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  390.824322]  ? oom_evaluate_task+0x540/0x540
[  390.828735]  ? find_held_lock+0x36/0x1c0
[  390.832805]  ? out_of_memory+0x974/0x1430
[  390.836956]  ? lock_downgrade+0x900/0x900
[  390.841108]  ? check_preemption_disabled+0x48/0x280
[  390.846143]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  390.851092]  ? kasan_check_read+0x11/0x20
[  390.855240]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  390.860543]  ? rcu_softirq_qs+0x20/0x20
[  390.864545]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  390.870080]  ? oom_evaluate_task+0x302/0x540
[  390.874496]  out_of_memory+0xa84/0x1430
[  390.878490]  ? oom_killer_disable+0x3a0/0x3a0
[  390.882998]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  390.887935]  ? __ww_mutex_check_waiters+0x160/0x160
[  390.892965]  __alloc_pages_slowpath+0x2354/0x2e10
[  390.897853]  ? warn_alloc+0x120/0x120
[  390.901652]  ? mark_held_locks+0x130/0x130
[  390.905892]  ? find_get_entry+0xaae/0x1120
[  390.910159]  ? filemap_map_pages+0x1a20/0x1a20
[  390.914747]  ? zap_class+0x640/0x640
[  390.918469]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.924011]  ? check_preemption_disabled+0x48/0x280
[  390.929034]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  390.934574]  ? should_fail+0x22d/0xd01
[  390.938463]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  390.943568]  ? zap_class+0x640/0x640
[  390.947310]  ? __lock_is_held+0xb5/0x140
[  390.951382]  ? mark_held_locks+0x130/0x130
[  390.955620]  ? lock_release+0xa00/0xa00
[  390.959591]  ? perf_trace_sched_process_exec+0x860/0x860
[  390.965039]  ? xa_load+0x2ba/0x460
[  390.968623]  ? lock_downgrade+0x900/0x900
[  390.972774]  ? __might_sleep+0x95/0x190
[  390.976748]  __alloc_pages_nodemask+0xa80/0xde0
[  390.981423]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  390.986436]  ? __page_cache_alloc+0x191/0x5c0
[  390.990941]  ? xa_load+0x2e1/0x460
[  390.994479]  ? xa_clear_mark+0x40/0x40
[  390.998376]  ? zap_class+0x640/0x640
[  391.002114]  ? zap_class+0x640/0x640
[  391.005869]  ? zap_class+0x640/0x640
[  391.009592]  ? __do_page_cache_readahead+0x663/0x810
[  391.014694]  ? find_held_lock+0x36/0x1c0
[  391.018757]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  391.024300]  alloc_pages_current+0x173/0x350
[  391.028735]  __page_cache_alloc+0x38c/0x5c0
[  391.033071]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  391.038042]  ? kasan_check_read+0x11/0x20
[  391.042217]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  391.047492]  ? generic_perform_write+0x6a0/0x6a0
[  391.052247]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.057826]  ? check_preemption_disabled+0x48/0x280
[  391.062843]  filemap_fault+0x1595/0x25f0
[  391.066923]  ? __lock_page_or_retry+0xa00/0xa00
[  391.071605]  ? mark_held_locks+0x130/0x130
[  391.075842]  ? filemap_map_pages+0xd6b/0x1a20
[  391.080372]  ? lock_downgrade+0x900/0x900
[  391.084572]  ? check_preemption_disabled+0x48/0x280
[  391.089601]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  391.094534]  ? kasan_check_read+0x11/0x20
[  391.098683]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  391.103961]  ? rcu_softirq_qs+0x20/0x20
[  391.107953]  ? filemap_map_pages+0xd92/0x1a20
[  391.112463]  ? find_get_entries_tag+0x1400/0x1400
[  391.117309]  ? find_held_lock+0x36/0x1c0
[  391.121408]  ? lock_acquire+0x1ed/0x520
[  391.125384]  ? ext4_filemap_fault+0x7a/0xad
[  391.129728]  ? lock_release+0xa00/0xa00
[  391.133703]  ? perf_trace_sched_process_exec+0x860/0x860
[  391.139154]  ? print_usage_bug+0xc0/0xc0
[  391.143228]  ? down_read+0x8d/0x120
[  391.146857]  ? ext4_filemap_fault+0x7a/0xad
[  391.151197]  ? __down_interruptible+0x700/0x700
[  391.155873]  ? find_held_lock+0x36/0x1c0
[  391.159956]  ext4_filemap_fault+0x82/0xad
[  391.164139]  __do_fault+0x100/0x6b0
[  391.167773]  ? lock_downgrade+0x900/0x900
[  391.171941]  ? pmd_devmap_trans_unstable+0x220/0x220
[  391.177051]  ? kasan_check_read+0x11/0x20
[  391.181203]  ? do_raw_spin_unlock+0xa7/0x330
[  391.185617]  ? do_raw_spin_trylock+0x270/0x270
[  391.190214]  __handle_mm_fault+0x3ea0/0x5be0
[  391.194623]  ? perf_trace_lock+0x7a0/0x7a0
[  391.198889]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  391.203759]  ? zap_class+0x640/0x640
[  391.207477]  ? zap_class+0x640/0x640
[  391.211197]  ? __x64_sys_futex+0x53e/0x6a0
[  391.215437]  ? find_held_lock+0x36/0x1c0
[  391.219504]  ? handle_mm_fault+0x42a/0xc70
[  391.223748]  ? lock_downgrade+0x900/0x900
[  391.227896]  ? check_preemption_disabled+0x48/0x280
[  391.232922]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  391.237852]  ? kasan_check_read+0x11/0x20
[  391.242001]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  391.247281]  ? rcu_softirq_qs+0x20/0x20
[  391.251257]  ? trace_hardirqs_off_caller+0x310/0x310
[  391.256368]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.261907]  ? check_preemption_disabled+0x48/0x280
[  391.266956]  handle_mm_fault+0x54f/0xc70
[  391.271038]  ? __handle_mm_fault+0x5be0/0x5be0
[  391.275623]  ? find_vma+0x34/0x190
[  391.279171]  __do_page_fault+0x5e8/0xe60
[  391.283232]  ? trace_hardirqs_off+0xb8/0x310
[  391.287641]  ? kernel_write+0x120/0x120
[  391.291626]  do_page_fault+0xf2/0x7e0
[  391.295429]  ? vmalloc_sync_all+0x30/0x30
[  391.299587]  ? error_entry+0x70/0xd0
[  391.303314]  ? trace_hardirqs_off_caller+0xbb/0x310
[  391.308327]  ? trace_hardirqs_on_caller+0xc0/0x310
[  391.313257]  ? syscall_return_slowpath+0x5e0/0x5e0
[  391.318190]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  391.323027]  ? trace_hardirqs_on_caller+0x310/0x310
[  391.328053]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  391.333499]  ? prepare_exit_to_usermode+0x291/0x3b0
[  391.338542]  ? page_fault+0x8/0x30
[  391.342111]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  391.346966]  ? page_fault+0x8/0x30
[  391.350576]  page_fault+0x1e/0x30
[  391.354034] RIP: 0033:0x404068
[  391.357231] Code: Bad RIP value.
[  391.360583] RSP: 002b:000000c420024e48 EFLAGS: 00010206
[  391.365934] RAX: 000000c422dd4cc0 RBX: 000000c42875f801 RCX: 000000c424d31838
[  391.373194] RDX: 000000c422dd4cc0 RSI: 0000000000000001 RDI: 0000000000000001
[  391.380459] RBP: 000000c420024ed8 R08: 00007ffd3a9b40b0 R09: 00007ffd3a9b4080
[  391.387734] R10: 000000000000eacc R11: 0000000000000165 R12: 0000000000000001
[  391.395003] R13: 000000c4271c3620 R14: 0000000000000001 R15: 0000000000000000
[  391.402398] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  391.402425] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  391.412634] syz-fuzzer cpuset=/ mems_allowed=0
[  391.412662] CPU: 1 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  391.423257] ksoftirqd/0 cpuset=/ mems_allowed=0
[  391.427823] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  391.427827] Call Trace:
[  391.427837]  <IRQ>
[  391.427852]  dump_stack+0x244/0x39d
[  391.457197]  ? dump_stack_print_info.cold.1+0x20/0x20
[  391.462393]  warn_alloc.cold.116+0xb7/0x1bd
[  391.466757]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  391.471599]  ? lock_downgrade+0x900/0x900
[  391.475749]  ? trace_hardirqs_off+0xb8/0x310
[  391.480167]  ? trace_hardirqs_off+0xb8/0x310
[  391.484629]  __alloc_pages_slowpath+0x26e8/0x2e10
[  391.489518]  ? warn_alloc+0x120/0x120
[  391.493334]  ? warn_alloc+0x120/0x120
[  391.497129]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  391.502144]  ? warn_alloc+0x120/0x120
[  391.505938]  ? print_usage_bug+0xc0/0xc0
[  391.510007]  ? print_usage_bug+0xc0/0xc0
[  391.514064]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  391.519252]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.524818]  ? should_fail+0x22d/0xd01
[  391.528722]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  391.533819]  ? __lock_acquire+0x62f/0x4c20
[  391.538058]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  391.543212]  ? should_fail+0x22d/0xd01
[  391.547147]  ? mark_held_locks+0x130/0x130
[  391.551423]  ? mark_held_locks+0x130/0x130
[  391.555659]  ? print_usage_bug+0xc0/0xc0
[  391.559733]  ? find_held_lock+0x36/0x1c0
[  391.563807]  ? zap_class+0x640/0x640
[  391.567547]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.573122]  ? check_preemption_disabled+0x48/0x280
[  391.578207]  ? __lock_is_held+0xb5/0x140
[  391.582278]  __alloc_pages_nodemask+0xa80/0xde0
[  391.586948]  ? zap_class+0x640/0x640
[  391.590685]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  391.595712]  ? find_held_lock+0x36/0x1c0
[  391.599785]  ? ____cache_alloc_node+0x1c7/0x1e0
[  391.604454]  ? lock_downgrade+0x900/0x900
[  391.608608]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.614169]  cache_grow_begin+0xa5/0x8c0
[  391.618227]  ? do_raw_spin_unlock+0xa7/0x330
[  391.622642]  fallback_alloc+0x204/0x2e0
[  391.626626]  ____cache_alloc_node+0x1c7/0x1e0
[  391.631126]  kmem_cache_alloc_node+0xe3/0x730
[  391.635624]  ? mark_held_locks+0xc7/0x130
[  391.639781]  __alloc_skb+0x119/0x770
[  391.643503]  ? netdev_alloc_frag+0x1f0/0x1f0
[  391.647921]  ? do_raw_spin_trylock+0x270/0x270
[  391.652504]  ? kmem_cache_alloc_trace+0x353/0x750
[  391.657356]  ? queue_work_on+0x12c/0x1e0
[  391.661421]  ? switchdev_port_obj_del+0xdc/0x440
[  391.666176]  ? switchdev_trans_item_enqueue+0x260/0x260
[  391.671558]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  391.676578]  __br_mdb_notify+0x4ff/0x15d0
[  391.680725]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  391.685837]  ? __br_mdb_add+0x7f0/0x7f0
[  391.689812]  ? mark_held_locks+0x130/0x130
[  391.694047]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  391.699173]  ? debug_object_assert_init+0x368/0x4b0
[  391.704231]  ? debug_object_init_on_stack+0x20/0x20
[  391.709237]  ? zap_class+0x640/0x640
[  391.712943]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.718492]  br_mdb_notify+0x310/0x410
[  391.722380]  ? br_mdb_dump+0x27b0/0x27b0
[  391.726453]  br_multicast_del_pg+0x3df/0x790
[  391.730860]  ? br_mdb_ip_get+0x940/0x940
[  391.734912]  ? rwlock_bug.part.2+0x90/0x90
[  391.739155]  ? __lock_is_held+0xb5/0x140
[  391.743236]  br_multicast_port_group_expired+0x189/0x1e0
[  391.748681]  call_timer_fn+0x272/0x920
[  391.752567]  ? br_multicast_del_pg+0x790/0x790
[  391.757143]  ? process_timeout+0x40/0x40
[  391.761243]  ? mark_held_locks+0xc7/0x130
[  391.765391]  ? _raw_spin_unlock_irq+0x27/0x80
[  391.769893]  ? _raw_spin_unlock_irq+0x27/0x80
[  391.774380]  ? br_multicast_del_pg+0x790/0x790
[  391.778969]  ? lockdep_hardirqs_on+0x296/0x5b0
[  391.783564]  ? trace_hardirqs_on+0xbd/0x310
[  391.787892]  ? kasan_check_read+0x11/0x20
[  391.792030]  ? __run_timers+0x7da/0xc70
[  391.795999]  ? trace_hardirqs_off_caller+0x310/0x310
[  391.801138]  ? br_multicast_del_pg+0x790/0x790
[  391.805741]  ? br_multicast_del_pg+0x790/0x790
[  391.810329]  __run_timers+0x7e5/0xc70
[  391.814163]  ? timer_fixup_init+0x70/0x70
[  391.818358]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  391.823374]  ? zap_class+0x640/0x640
[  391.827106]  ? print_usage_bug+0xc0/0xc0
[  391.831193]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  391.836383]  ? find_held_lock+0x36/0x1c0
[  391.840447]  ? zap_class+0x640/0x640
[  391.844181]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.849716]  ? check_preemption_disabled+0x48/0x280
[  391.854734]  ? __lock_is_held+0xb5/0x140
[  391.858805]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.864344]  ? check_preemption_disabled+0x48/0x280
[  391.869366]  run_timer_softirq+0x52/0xb0
[  391.873428]  ? rcu_read_lock_sched_held+0x14f/0x180
[  391.878453]  __do_softirq+0x308/0xb7e
[  391.882284]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  391.886789]  ? lock_downgrade+0x900/0x900
[  391.890958]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  391.896075]  ? pvclock_read_flags+0x160/0x160
[  391.900573]  ? lapic_next_event+0x5a/0x90
[  391.904750]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.910297]  ? kvm_clock_read+0x18/0x30
[  391.914280]  ? kvm_sched_clock_read+0x9/0x20
[  391.918709]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.924251]  ? check_preemption_disabled+0x48/0x280
[  391.929288]  irq_exit+0x17f/0x1c0
[  391.932746]  smp_apic_timer_interrupt+0x1cb/0x760
[  391.937590]  ? smp_reschedule_interrupt+0x109/0x650
[  391.942622]  ? smp_call_function_single_interrupt+0x650/0x650
[  391.948515]  ? interrupt_entry+0xb5/0xc0
[  391.952592]  ? trace_hardirqs_off_caller+0xbb/0x310
[  391.957609]  ? trace_hardirqs_off_caller+0xbb/0x310
[  391.962626]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  391.967469]  ? trace_hardirqs_on_caller+0x310/0x310
[  391.972494]  ? trace_hardirqs_on_caller+0x310/0x310
[  391.977526]  ? task_prio+0x50/0x50
[  391.981073]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.986613]  ? check_preemption_disabled+0x48/0x280
[  391.991635]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  391.996484]  apic_timer_interrupt+0xf/0x20
[  392.000718]  </IRQ>
[  392.002958] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  392.008144] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec
[  392.027040] RSP: 0018:ffff8801c2d36100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  392.034760] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100385b2de6
[  392.042024] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c2d96ebc
[  392.049291] RBP: ffff8801c2d36128 R08: ffff8801c2d96f30 R09: 0000000000000006
[  392.056563] R10: 0000000000000000 R11: ffff8801c2d96640 R12: dffffc0000000000
[  392.063827] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  392.071115]  retint_kernel+0x1b/0x2d
[  392.074841] RIP: 0010:dump_stack+0x358/0x39d
[  392.079242] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  392.098138] RSP: 0018:ffff8801c2d361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  392.105839] RAX: ffff8801c2d96640 RBX: 1ffffffff12a3f76 RCX: 1ffff100385b2de6
[  392.113099] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  392.120380] RBP: ffff8801c2d36290 R08: ffff8801c2d96f30 R09: 0000000000000006
[  392.127635] R10: 0000000000000000 R11: ffff8801c2d96640 R12: 1ffff100385a6c45
[  392.134891] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  392.142162]  ? dump_stack+0x34f/0x39d
[  392.146000]  ? dump_stack_print_info.cold.1+0x20/0x20
[  392.151186]  ? mark_held_locks+0x130/0x130
[  392.155439]  ? mark_held_locks+0x130/0x130
[  392.159674]  dump_header+0x27b/0xf72
[  392.163440]  ? pagefault_out_of_memory+0x197/0x197
[  392.168402]  ? __lock_acquire+0x62f/0x4c20
[  392.172647]  ? percpu_ref_get_many+0x240/0x240
[  392.177254]  ? print_usage_bug+0xc0/0xc0
[  392.181320]  ? zap_class+0x640/0x640
[  392.185031]  ? print_usage_bug+0xc0/0xc0
[  392.189083]  ? print_usage_bug+0xc0/0xc0
[  392.193139]  ? zap_class+0x640/0x640
[  392.196846]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.202379]  ? find_held_lock+0x36/0x1c0
[  392.206471]  ? mark_held_locks+0xc7/0x130
[  392.210613]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  392.215706]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  392.220815]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  392.225396]  ? trace_hardirqs_on+0xbd/0x310
[  392.229709]  ? kasan_check_read+0x11/0x20
[  392.233863]  ? ___ratelimit+0x3b4/0x672
[  392.237858]  ? trace_hardirqs_off_caller+0x310/0x310
[  392.242963]  ? trace_hardirqs_on+0x310/0x310
[  392.247412]  ? lock_downgrade+0x900/0x900
[  392.251564]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  392.256663]  ? ___ratelimit+0x3b9/0x672
[  392.260640]  ? idr_get_free+0xf70/0xf70
[  392.264611]  ? find_held_lock+0x36/0x1c0
[  392.268683]  oom_kill_process.cold.27+0x10/0x903
[  392.273439]  ? zap_class+0x640/0x640
[  392.277156]  ? check_preemption_disabled+0x48/0x280
[  392.282178]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  392.287107]  ? kasan_check_read+0x11/0x20
[  392.291264]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  392.296546]  ? oom_evaluate_task+0x540/0x540
[  392.300955]  ? find_held_lock+0x36/0x1c0
[  392.305027]  ? out_of_memory+0x974/0x1430
[  392.309193]  ? lock_downgrade+0x900/0x900
[  392.313336]  ? check_preemption_disabled+0x48/0x280
[  392.318350]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  392.323281]  ? kasan_check_read+0x11/0x20
[  392.327456]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  392.332734]  ? rcu_softirq_qs+0x20/0x20
[  392.336715]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  392.342245]  ? oom_evaluate_task+0x302/0x540
[  392.346661]  out_of_memory+0xa84/0x1430
[  392.350642]  ? oom_killer_disable+0x3a0/0x3a0
[  392.355138]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  392.360068]  ? __ww_mutex_check_waiters+0x160/0x160
[  392.365097]  __alloc_pages_slowpath+0x2354/0x2e10
[  392.369970]  ? warn_alloc+0x120/0x120
[  392.373793]  ? mark_held_locks+0x130/0x130
[  392.378032]  ? find_get_entry+0xaae/0x1120
[  392.382302]  ? filemap_map_pages+0x1a20/0x1a20
[  392.386897]  ? zap_class+0x640/0x640
[  392.390614]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.396152]  ? check_preemption_disabled+0x48/0x280
[  392.401172]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  392.406707]  ? should_fail+0x22d/0xd01
[  392.410596]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  392.415702]  ? zap_class+0x640/0x640
[  392.419453]  ? __lock_is_held+0xb5/0x140
[  392.423531]  ? mark_held_locks+0x130/0x130
[  392.427768]  ? lock_release+0xa00/0xa00
[  392.431747]  ? perf_trace_sched_process_exec+0x860/0x860
[  392.437197]  ? xa_load+0x2ba/0x460
[  392.440767]  ? lock_downgrade+0x900/0x900
[  392.444918]  ? __might_sleep+0x95/0x190
[  392.448895]  __alloc_pages_nodemask+0xa80/0xde0
[  392.453567]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  392.458597]  ? __page_cache_alloc+0x191/0x5c0
[  392.463089]  ? xa_load+0x2e1/0x460
[  392.466628]  ? xa_clear_mark+0x40/0x40
[  392.470560]  ? zap_class+0x640/0x640
[  392.474277]  ? zap_class+0x640/0x640
[  392.477996]  ? zap_class+0x640/0x640
[  392.481702]  ? __do_page_cache_readahead+0x663/0x810
[  392.486815]  ? find_held_lock+0x36/0x1c0
[  392.490888]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  392.496455]  alloc_pages_current+0x173/0x350
[  392.500878]  __page_cache_alloc+0x38c/0x5c0
[  392.505194]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  392.510114]  ? kasan_check_read+0x11/0x20
[  392.514287]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  392.519577]  ? generic_perform_write+0x6a0/0x6a0
[  392.524324]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  392.529885]  ? check_preemption_disabled+0x48/0x280
[  392.534919]  filemap_fault+0x1595/0x25f0
[  392.538982]  ? __lock_page_or_retry+0xa00/0xa00
[  392.543644]  ? mark_held_locks+0x130/0x130
[  392.547893]  ? filemap_map_pages+0xd6b/0x1a20
[  392.552380]  ? lock_downgrade+0x900/0x900
[  392.556545]  ? check_preemption_disabled+0x48/0x280
[  392.561566]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  392.566482]  ? kasan_check_read+0x11/0x20
[  392.570671]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  392.575941]  ? rcu_softirq_qs+0x20/0x20
[  392.579937]  ? filemap_map_pages+0xd92/0x1a20
[  392.584437]  ? find_get_entries_tag+0x1400/0x1400
[  392.589266]  ? find_held_lock+0x36/0x1c0
[  392.593335]  ? lock_acquire+0x1ed/0x520
[  392.597300]  ? ext4_filemap_fault+0x7a/0xad
[  392.601616]  ? lock_release+0xa00/0xa00
[  392.605576]  ? perf_trace_sched_process_exec+0x860/0x860
[  392.611030]  ? print_usage_bug+0xc0/0xc0
[  392.615100]  ? down_read+0x8d/0x120
[  392.618750]  ? ext4_filemap_fault+0x7a/0xad
[  392.623166]  ? __down_interruptible+0x700/0x700
[  392.627832]  ? find_held_lock+0x36/0x1c0
[  392.631908]  ext4_filemap_fault+0x82/0xad
[  392.636052]  __do_fault+0x100/0x6b0
[  392.639673]  ? lock_downgrade+0x900/0x900
[  392.643816]  ? pmd_devmap_trans_unstable+0x220/0x220
[  392.648920]  ? kasan_check_read+0x11/0x20
[  392.653062]  ? do_raw_spin_unlock+0xa7/0x330
[  392.657480]  ? do_raw_spin_trylock+0x270/0x270
[  392.662090]  __handle_mm_fault+0x3ea0/0x5be0
[  392.666490]  ? perf_trace_lock+0x7a0/0x7a0
[  392.670729]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  392.675592]  ? zap_class+0x640/0x640
[  392.679307]  ? zap_class+0x640/0x640
[  392.683007]  ? __x64_sys_futex+0x53e/0x6a0
[  392.687239]  ? find_held_lock+0x36/0x1c0
[  392.691299]  ? handle_mm_fault+0x42a/0xc70
[  392.695541]  ? lock_downgrade+0x900/0x900
[  392.699697]  ? check_preemption_disabled+0x48/0x280
[  392.704731]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  392.709670]  ? kasan_check_read+0x11/0x20
[  392.713824]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  392.719122]  ? rcu_softirq_qs+0x20/0x20
[  392.723085]  ? trace_hardirqs_off_caller+0x310/0x310
[  392.728192]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  392.733734]  ? check_preemption_disabled+0x48/0x280
[  392.738768]  handle_mm_fault+0x54f/0xc70
[  392.742858]  ? __handle_mm_fault+0x5be0/0x5be0
[  392.747453]  ? find_vma+0x34/0x190
[  392.751427]  __do_page_fault+0x5e8/0xe60
[  392.755482]  ? trace_hardirqs_off+0xb8/0x310
[  392.760012]  ? kernel_write+0x120/0x120
[  392.764044]  do_page_fault+0xf2/0x7e0
[  392.767848]  ? vmalloc_sync_all+0x30/0x30
[  392.772020]  ? error_entry+0x70/0xd0
[  392.775738]  ? trace_hardirqs_off_caller+0xbb/0x310
[  392.780757]  ? trace_hardirqs_on_caller+0xc0/0x310
[  392.785686]  ? syscall_return_slowpath+0x5e0/0x5e0
[  392.790614]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  392.795456]  ? trace_hardirqs_on_caller+0x310/0x310
[  392.800471]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  392.805924]  ? prepare_exit_to_usermode+0x291/0x3b0
[  392.810938]  ? page_fault+0x8/0x30
[  392.814484]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  392.819338]  ? page_fault+0x8/0x30
[  392.822882]  page_fault+0x1e/0x30
[  392.826333] RIP: 0033:0x404068
[  392.829543] Code: Bad RIP value.
[  392.832907] RSP: 002b:000000c420024e48 EFLAGS: 00010206
[  392.838287] RAX: 000000c422dd4cc0 RBX: 000000c42875f801 RCX: 000000c424d31838
[  392.845556] RDX: 000000c422dd4cc0 RSI: 0000000000000001 RDI: 0000000000000001
[  392.852823] RBP: 000000c420024ed8 R08: 00007ffd3a9b40b0 R09: 00007ffd3a9b4080
[  392.860088] R10: 000000000000eacc R11: 0000000000000165 R12: 0000000000000001
[  392.867357] R13: 000000c4271c3620 R14: 0000000000000001 R15: 0000000000000000
[  392.874647] warn_alloc_show_mem: 1 callbacks suppressed
[  392.874658] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #83
[  392.874660] Mem-Info:
[  392.874690] active_anon:44321 inactive_anon:2061 isolated_anon:0
[  392.874690]  active_file:14 inactive_file:14 isolated_file:0
[  392.874690]  unevictable:0 dirty:0 writeback:0 unstable:0
[  392.874690]  slab_reclaimable:9437 slab_unreclaimable:1460937
[  392.874690]  mapped:49154 shmem:2105 pagetables:642 bounce:0
[  392.874690]  free:13638 free_pcp:328 free_cma:0
[  392.880030] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  392.886784] Node 0 active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8420kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  392.889186] Call Trace:
[  392.922288] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  392.931709]  dump_stack+0x244/0x39d
[  392.959284] lowmem_reserve[]: 0 2818 6321 6321
[  392.961863]  ? dump_stack_print_info.cold.1+0x20/0x20
[  392.987945] Node 0 DMA32 free:24708kB 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:0kB free_cma:0kB
[  392.991568]  warn_alloc.cold.116+0xb7/0x1bd
[  392.996116] lowmem_reserve[]: 0 0 3503 3503
[  393.001311]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  393.028608] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2568kB bounce:0kB free_pcp:1064kB local_pcp:372kB free_cma:0kB
[  393.032933]  ? lock_downgrade+0x900/0x900
[  393.037260] lowmem_reserve[]: 0 0 0 0
[  393.042112]  ? trace_hardirqs_off+0xb8/0x310
[  393.071142] 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
[  393.075283]  ? trace_hardirqs_off+0xb8/0x310
[  393.079053] Node 0 DMA32: 5*4kB (UM) 2*8kB (MH) 2*16kB (MH) 4*32kB (MH) 3*64kB (M) 2*128kB (M) 4*256kB (UMH) 3*512kB (UM) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24708kB
[  393.083529]  __alloc_pages_slowpath+0x26e8/0x2e10
[  393.097033] Node 0 Normal: 930*4kB (MEH) 535*8kB (UMEH) 215*16kB (UME) 80*32kB (UMH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  393.101460]  ? warn_alloc+0x120/0x120
[  393.116954] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  393.121797]  ? print_usage_bug+0xc0/0xc0
[  393.135554] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  393.139338]  ? warn_alloc+0x120/0x120
[  393.148146] 2133 total pagecache pages
[  393.152232]  ? warn_alloc+0x120/0x120
[  393.160801] 0 pages in swap cache
[  393.164582]  ? print_usage_bug+0xc0/0xc0
[  393.168475] Swap cache stats: add 0, delete 0, find 0/0
[  393.172258]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  393.175686] Free swap  = 0kB
[  393.179745]  ? should_fail+0x22d/0xd01
[  393.185106] Total swap = 0kB
[  393.185113] 1965979 pages RAM
[  393.190641]  ? print_usage_bug+0xc0/0xc0
[  393.193642] 0 pages HighMem/MovableOnly
[  393.197523]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  393.200518] 342853 pages reserved
[  393.203612]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  393.207671] 0 pages cma reserved
[  393.211655]  ? should_fail+0x22d/0xd01
[  393.216903] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  393.220169]  ? should_fail+0x22d/0xd01
[  393.225681] syz-fuzzer cpuset=/ mems_allowed=0
[  393.229033]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  393.256614]  ? __lock_acquire+0x62f/0x4c20
[  393.260857]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  393.265963]  ? __lock_acquire+0x62f/0x4c20
[  393.270187]  ? should_fail+0x22d/0xd01
[  393.274106]  ? mark_held_locks+0x130/0x130
[  393.278340]  ? mark_held_locks+0x130/0x130
[  393.282573]  ? zap_class+0x640/0x640
[  393.286308]  ? ret_from_fork+0x3a/0x50
[  393.290222]  ? print_usage_bug+0xc0/0xc0
[  393.294294]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.299842]  ? check_preemption_disabled+0x48/0x280
[  393.304883]  ? __lock_is_held+0xb5/0x140
[  393.308987]  __alloc_pages_nodemask+0xa80/0xde0
[  393.313681]  ? zap_class+0x640/0x640
[  393.317393]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  393.322425]  ? find_held_lock+0x36/0x1c0
[  393.326489]  ? ____cache_alloc_node+0x1c7/0x1e0
[  393.331158]  ? lock_downgrade+0x900/0x900
[  393.335309]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.340848]  cache_grow_begin+0xa5/0x8c0
[  393.344922]  ? do_raw_spin_unlock+0xa7/0x330
[  393.349352]  fallback_alloc+0x204/0x2e0
[  393.353336]  ____cache_alloc_node+0x1c7/0x1e0
[  393.357839]  kmem_cache_alloc_node+0xe3/0x730
[  393.362334]  ? mark_held_locks+0xc7/0x130
[  393.366496]  __alloc_skb+0x119/0x770
[  393.370221]  ? netdev_alloc_frag+0x1f0/0x1f0
[  393.374630]  ? do_raw_spin_trylock+0x270/0x270
[  393.379244]  ? kmem_cache_alloc_trace+0x353/0x750
[  393.384091]  ? queue_work_on+0x12c/0x1e0
[  393.388154]  ? switchdev_port_obj_del+0xdc/0x440
[  393.392921]  ? switchdev_trans_item_enqueue+0x260/0x260
[  393.398296]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  393.403317]  __br_mdb_notify+0x4ff/0x15d0
[  393.407472]  ? __br_mdb_add+0x7f0/0x7f0
[  393.411455]  ? zap_class+0x640/0x640
[  393.415175]  ? br_multicast_group_expired+0x96/0x610
[  393.420280]  br_mdb_notify+0x310/0x410
[  393.424191]  ? br_mdb_dump+0x27b0/0x27b0
[  393.428250]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.433812]  br_multicast_group_expired+0x1bc/0x610
[  393.438863]  ? br_mdb_free+0x80/0x80
[  393.442612]  call_timer_fn+0x272/0x920
[  393.446517]  ? br_mdb_free+0x80/0x80
[  393.450225]  ? process_timeout+0x40/0x40
[  393.454285]  ? __run_timers+0x7da/0xc70
[  393.458285]  ? _raw_spin_unlock_irq+0x27/0x80
[  393.462776]  ? _raw_spin_unlock_irq+0x27/0x80
[  393.467275]  ? br_mdb_free+0x80/0x80
[  393.470984]  ? lockdep_hardirqs_on+0x296/0x5b0
[  393.475558]  ? trace_hardirqs_on+0xbd/0x310
[  393.479886]  ? kasan_check_read+0x11/0x20
[  393.484038]  ? __run_timers+0x7da/0xc70
[  393.488001]  ? trace_hardirqs_off_caller+0x310/0x310
[  393.493127]  ? br_multicast_del_pg+0x790/0x790
[  393.497728]  ? br_mdb_free+0x80/0x80
[  393.501499]  __run_timers+0x7e5/0xc70
[  393.505326]  ? timer_fixup_init+0x70/0x70
[  393.509479]  ? _raw_spin_unlock_irq+0x27/0x80
[  393.513994]  ? _raw_spin_unlock_irq+0x27/0x80
[  393.518478]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  393.523057]  ? trace_hardirqs_on+0xbd/0x310
[  393.527365]  ? kasan_check_read+0x11/0x20
[  393.531505]  ? finish_task_switch+0x1f4/0x910
[  393.536013]  ? trace_hardirqs_off_caller+0x310/0x310
[  393.541109]  ? compat_start_thread+0x80/0x80
[  393.545563]  ? pvclock_read_flags+0x160/0x160
[  393.550066]  ? __switch_to_asm+0x34/0x70
[  393.554119]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.559653]  ? check_preemption_disabled+0x48/0x280
[  393.564684]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  393.570230]  ? rcu_pm_notify+0xc0/0xc0
[  393.574112]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.579643]  ? check_preemption_disabled+0x48/0x280
[  393.584661]  run_timer_softirq+0x52/0xb0
[  393.588745]  ? rcu_read_lock_sched_held+0x14f/0x180
[  393.593757]  __do_softirq+0x308/0xb7e
[  393.597576]  ? trace_hardirqs_on_caller+0xc0/0x310
[  393.602544]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  393.607656]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  393.613115]  ? schedule+0x108/0x460
[  393.616752]  ? trace_hardirqs_off+0xb8/0x310
[  393.621156]  ? smpboot_thread_fn+0x68b/0xa00
[  393.625580]  ? trace_hardirqs_on+0x310/0x310
[  393.630000]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  393.635534]  ? check_preemption_disabled+0x48/0x280
[  393.640562]  ? takeover_tasklets+0xa90/0xa90
[  393.645007]  run_ksoftirqd+0x5e/0x100
[  393.648816]  smpboot_thread_fn+0x68b/0xa00
[  393.653091]  ? sort_range+0x30/0x30
[  393.656708]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  393.661818]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  393.667358]  ? __kthread_parkme+0xfb/0x1a0
[  393.671591]  ? sort_range+0x30/0x30
[  393.675231]  kthread+0x35a/0x440
[  393.678597]  ? kthread_stop+0x900/0x900
[  393.682574]  ret_from_fork+0x3a/0x50
[  393.686305] CPU: 1 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  393.686307] Mem-Info:
[  393.686337] active_anon:44321 inactive_anon:2061 isolated_anon:0
[  393.686337]  active_file:14 inactive_file:14 isolated_file:0
[  393.686337]  unevictable:0 dirty:0 writeback:0 unstable:0
[  393.686337]  slab_reclaimable:9437 slab_unreclaimable:1460937
[  393.686337]  mapped:49154 shmem:2105 pagetables:642 bounce:0
[  393.686337]  free:13638 free_pcp:328 free_cma:0
[  393.693237] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  393.695677] Node 0 active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8420kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  393.728695] Call Trace:
[  393.738041] 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
[  393.765612]  <IRQ>
[  393.768177] lowmem_reserve[]: 0 2818 6321 6321
[  393.794293]  dump_stack+0x244/0x39d
[  393.796435] Node 0 DMA32 free:24708kB 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
[  393.801016]  ? dump_stack_print_info.cold.1+0x20/0x20
[  393.804611] lowmem_reserve[]: 0 0 3503 3503
[  393.832125]  warn_alloc.cold.116+0xb7/0x1bd
[  393.837284] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2568kB bounce:0kB free_pcp:1064kB local_pcp:692kB free_cma:0kB
[  393.841603]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  393.845909] lowmem_reserve[]: 0 0 0 0
[  393.874979]  ? lock_downgrade+0x900/0x900
[  393.879799] 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
[  393.883595]  ? trace_hardirqs_off+0xb8/0x310
[  393.887713] Node 0 DMA32: 5*4kB (UM) 2*8kB (MH) 2*16kB (MH) 4*32kB (MH) 3*64kB (M) 2*128kB (M) 4*256kB (UMH) 3*512kB (UM) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24708kB
[  393.901234]  ? trace_hardirqs_off+0xb8/0x310
[  393.905629] Node 0 Normal: 930*4kB (MEH) 535*8kB (UMEH) 215*16kB (UME) 80*32kB (UMH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  393.921145]  __alloc_pages_slowpath+0x26e8/0x2e10
[  393.925540] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  393.939325]  ? warn_alloc+0x120/0x120
[  393.944155] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  393.952972]  ? warn_alloc+0x120/0x120
[  393.956746] 2133 total pagecache pages
[  393.965326]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  393.969104] 0 pages in swap cache
[  393.972969]  ? warn_alloc+0x120/0x120
[  393.977958] Swap cache stats: add 0, delete 0, find 0/0
[  393.981393]  ? print_usage_bug+0xc0/0xc0
[  393.985177] Free swap  = 0kB
[  393.990545]  ? print_usage_bug+0xc0/0xc0
[  393.994589] Total swap = 0kB
[  393.994596] 1965979 pages RAM
[  393.997598]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  394.001631] 0 pages HighMem/MovableOnly
[  394.001638] 342853 pages reserved
[  394.004700]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  394.007775] 0 pages cma reserved
[  394.012948]  ? should_fail+0x22d/0xd01
[  394.017032] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  394.020329]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  394.025836] ksoftirqd/0 cpuset=/ mems_allowed=0
[  394.029203]  ? __lock_acquire+0x62f/0x4c20
[  394.057412]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  394.062526]  ? should_fail+0x22d/0xd01
[  394.066417]  ? mark_held_locks+0x130/0x130
[  394.070660]  ? mark_held_locks+0x130/0x130
[  394.074890]  ? print_usage_bug+0xc0/0xc0
[  394.078957]  ? find_held_lock+0x36/0x1c0
[  394.083015]  ? zap_class+0x640/0x640
[  394.086725]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.092253]  ? check_preemption_disabled+0x48/0x280
[  394.097268]  ? __lock_is_held+0xb5/0x140
[  394.101338]  __alloc_pages_nodemask+0xa80/0xde0
[  394.106043]  ? zap_class+0x640/0x640
[  394.109805]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  394.114823]  ? find_held_lock+0x36/0x1c0
[  394.118916]  ? ____cache_alloc_node+0x1c7/0x1e0
[  394.123580]  ? lock_downgrade+0x900/0x900
[  394.127742]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.133300]  cache_grow_begin+0xa5/0x8c0
[  394.137353]  ? do_raw_spin_unlock+0xa7/0x330
[  394.141759]  fallback_alloc+0x204/0x2e0
[  394.145765]  ____cache_alloc_node+0x1c7/0x1e0
[  394.150301]  kmem_cache_alloc_node+0xe3/0x730
[  394.154807]  ? mark_held_locks+0xc7/0x130
[  394.158958]  __alloc_skb+0x119/0x770
[  394.162670]  ? netdev_alloc_frag+0x1f0/0x1f0
[  394.167093]  ? do_raw_spin_trylock+0x270/0x270
[  394.171682]  ? kmem_cache_alloc_trace+0x353/0x750
[  394.176529]  ? queue_work_on+0x12c/0x1e0
[  394.180590]  ? switchdev_port_obj_del+0xdc/0x440
[  394.185342]  ? switchdev_trans_item_enqueue+0x260/0x260
[  394.190732]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  394.195749]  __br_mdb_notify+0x4ff/0x15d0
[  394.199887]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  394.205001]  ? __br_mdb_add+0x7f0/0x7f0
[  394.209000]  ? mark_held_locks+0x130/0x130
[  394.213282]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  394.218381]  ? debug_object_assert_init+0x368/0x4b0
[  394.223394]  ? debug_object_init_on_stack+0x20/0x20
[  394.228399]  ? zap_class+0x640/0x640
[  394.232130]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.237680]  br_mdb_notify+0x310/0x410
[  394.241562]  ? br_mdb_dump+0x27b0/0x27b0
[  394.245636]  br_multicast_del_pg+0x3df/0x790
[  394.250047]  ? br_mdb_ip_get+0x940/0x940
[  394.254105]  ? rwlock_bug.part.2+0x90/0x90
[  394.258362]  ? __lock_is_held+0xb5/0x140
[  394.262421]  br_multicast_port_group_expired+0x189/0x1e0
[  394.267885]  call_timer_fn+0x272/0x920
[  394.271776]  ? br_multicast_del_pg+0x790/0x790
[  394.276358]  ? process_timeout+0x40/0x40
[  394.280447]  ? mark_held_locks+0xc7/0x130
[  394.284592]  ? _raw_spin_unlock_irq+0x27/0x80
[  394.289127]  ? _raw_spin_unlock_irq+0x27/0x80
[  394.293615]  ? br_multicast_del_pg+0x790/0x790
[  394.298189]  ? lockdep_hardirqs_on+0x296/0x5b0
[  394.302773]  ? trace_hardirqs_on+0xbd/0x310
[  394.307103]  ? kasan_check_read+0x11/0x20
[  394.311242]  ? __run_timers+0x7da/0xc70
[  394.315234]  ? trace_hardirqs_off_caller+0x310/0x310
[  394.320352]  ? br_multicast_del_pg+0x790/0x790
[  394.324949]  ? br_multicast_del_pg+0x790/0x790
[  394.329555]  __run_timers+0x7e5/0xc70
[  394.333372]  ? timer_fixup_init+0x70/0x70
[  394.337542]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  394.342583]  ? zap_class+0x640/0x640
[  394.346294]  ? print_usage_bug+0xc0/0xc0
[  394.350370]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  394.355568]  ? find_held_lock+0x36/0x1c0
[  394.359661]  ? zap_class+0x640/0x640
[  394.363379]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.368918]  ? check_preemption_disabled+0x48/0x280
[  394.373947]  ? __lock_is_held+0xb5/0x140
[  394.378006]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.383544]  ? check_preemption_disabled+0x48/0x280
[  394.388571]  run_timer_softirq+0x52/0xb0
[  394.392642]  ? rcu_read_lock_sched_held+0x14f/0x180
[  394.397654]  __do_softirq+0x308/0xb7e
[  394.401453]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  394.405957]  ? lock_downgrade+0x900/0x900
[  394.410116]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  394.415264]  ? pvclock_read_flags+0x160/0x160
[  394.419782]  ? lapic_next_event+0x5a/0x90
[  394.423982]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.429541]  ? kvm_clock_read+0x18/0x30
[  394.433532]  ? kvm_sched_clock_read+0x9/0x20
[  394.437951]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.443484]  ? check_preemption_disabled+0x48/0x280
[  394.448516]  irq_exit+0x17f/0x1c0
[  394.451977]  smp_apic_timer_interrupt+0x1cb/0x760
[  394.456829]  ? smp_reschedule_interrupt+0x109/0x650
[  394.461852]  ? smp_call_function_single_interrupt+0x650/0x650
[  394.467753]  ? interrupt_entry+0xb5/0xc0
[  394.471855]  ? trace_hardirqs_off_caller+0xbb/0x310
[  394.476866]  ? trace_hardirqs_off_caller+0xbb/0x310
[  394.481881]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  394.486766]  ? trace_hardirqs_on_caller+0x310/0x310
[  394.491821]  ? trace_hardirqs_on_caller+0x310/0x310
[  394.496834]  ? task_prio+0x50/0x50
[  394.500379]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.505918]  ? check_preemption_disabled+0x48/0x280
[  394.510954]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  394.515802]  apic_timer_interrupt+0xf/0x20
[  394.520028]  </IRQ>
[  394.522285] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  394.527476] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec
[  394.546377] RSP: 0018:ffff8801c2d36100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  394.554082] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100385b2de6
[  394.561349] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c2d96ebc
[  394.568620] RBP: ffff8801c2d36128 R08: ffff8801c2d96f30 R09: 0000000000000006
[  394.575884] R10: 0000000000000000 R11: ffff8801c2d96640 R12: dffffc0000000000
[  394.583148] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  394.590462]  retint_kernel+0x1b/0x2d
[  394.594178] RIP: 0010:dump_stack+0x358/0x39d
[  394.598598] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  394.617505] RSP: 0018:ffff8801c2d361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  394.625332] RAX: ffff8801c2d96640 RBX: 1ffffffff12a3f76 RCX: 1ffff100385b2de6
[  394.632596] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  394.639860] RBP: ffff8801c2d36290 R08: ffff8801c2d96f30 R09: 0000000000000006
[  394.647128] R10: 0000000000000000 R11: ffff8801c2d96640 R12: 1ffff100385a6c45
[  394.654387] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  394.661661]  ? dump_stack+0x34f/0x39d
[  394.665473]  ? dump_stack_print_info.cold.1+0x20/0x20
[  394.670662]  ? mark_held_locks+0x130/0x130
[  394.674890]  ? mark_held_locks+0x130/0x130
[  394.679142]  dump_header+0x27b/0xf72
[  394.682860]  ? pagefault_out_of_memory+0x197/0x197
[  394.687801]  ? __lock_acquire+0x62f/0x4c20
[  394.692042]  ? percpu_ref_get_many+0x240/0x240
[  394.696617]  ? print_usage_bug+0xc0/0xc0
[  394.700671]  ? zap_class+0x640/0x640
[  394.704388]  ? print_usage_bug+0xc0/0xc0
[  394.708436]  ? print_usage_bug+0xc0/0xc0
[  394.712496]  ? zap_class+0x640/0x640
[  394.716231]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.721769]  ? find_held_lock+0x36/0x1c0
[  394.725845]  ? mark_held_locks+0xc7/0x130
[  394.730003]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  394.735113]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  394.740207]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  394.744815]  ? trace_hardirqs_on+0xbd/0x310
[  394.749174]  ? kasan_check_read+0x11/0x20
[  394.753777]  ? ___ratelimit+0x3b4/0x672
[  394.757764]  ? trace_hardirqs_off_caller+0x310/0x310
[  394.762892]  ? trace_hardirqs_on+0x310/0x310
[  394.767329]  ? lock_downgrade+0x900/0x900
[  394.771488]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  394.776590]  ? ___ratelimit+0x3b9/0x672
[  394.780564]  ? idr_get_free+0xf70/0xf70
[  394.784552]  ? find_held_lock+0x36/0x1c0
[  394.788656]  oom_kill_process.cold.27+0x10/0x903
[  394.793411]  ? zap_class+0x640/0x640
[  394.797118]  ? check_preemption_disabled+0x48/0x280
[  394.802153]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  394.807075]  ? kasan_check_read+0x11/0x20
[  394.811228]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  394.816554]  ? oom_evaluate_task+0x540/0x540
[  394.820979]  ? find_held_lock+0x36/0x1c0
[  394.825066]  ? out_of_memory+0x974/0x1430
[  394.829243]  ? lock_downgrade+0x900/0x900
[  394.833423]  ? check_preemption_disabled+0x48/0x280
[  394.838453]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  394.843375]  ? kasan_check_read+0x11/0x20
[  394.847526]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  394.852802]  ? rcu_softirq_qs+0x20/0x20
[  394.856778]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  394.862309]  ? oom_evaluate_task+0x302/0x540
[  394.866729]  out_of_memory+0xa84/0x1430
[  394.870708]  ? oom_killer_disable+0x3a0/0x3a0
[  394.875201]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  394.880155]  ? __ww_mutex_check_waiters+0x160/0x160
[  394.885178]  __alloc_pages_slowpath+0x2354/0x2e10
[  394.890065]  ? warn_alloc+0x120/0x120
[  394.893865]  ? mark_held_locks+0x130/0x130
[  394.898150]  ? find_get_entry+0xaae/0x1120
[  394.902394]  ? filemap_map_pages+0x1a20/0x1a20
[  394.907021]  ? zap_class+0x640/0x640
[  394.910755]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.916291]  ? check_preemption_disabled+0x48/0x280
[  394.921319]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  394.926874]  ? should_fail+0x22d/0xd01
[  394.930763]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  394.935864]  ? zap_class+0x640/0x640
[  394.939601]  ? __lock_is_held+0xb5/0x140
[  394.943688]  ? mark_held_locks+0x130/0x130
[  394.947947]  ? lock_release+0xa00/0xa00
[  394.951936]  ? perf_trace_sched_process_exec+0x860/0x860
[  394.957428]  ? xa_load+0x2ba/0x460
[  394.960994]  ? lock_downgrade+0x900/0x900
[  394.965142]  ? __might_sleep+0x95/0x190
[  394.969114]  __alloc_pages_nodemask+0xa80/0xde0
[  394.973799]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  394.978810]  ? __page_cache_alloc+0x191/0x5c0
[  394.983296]  ? xa_load+0x2e1/0x460
[  394.986834]  ? xa_clear_mark+0x40/0x40
[  394.990730]  ? zap_class+0x640/0x640
[  394.994453]  ? zap_class+0x640/0x640
[  394.998191]  ? zap_class+0x640/0x640
[  395.001905]  ? __do_page_cache_readahead+0x663/0x810
[  395.007008]  ? find_held_lock+0x36/0x1c0
[  395.011078]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  395.016630]  alloc_pages_current+0x173/0x350
[  395.021044]  __page_cache_alloc+0x38c/0x5c0
[  395.025361]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  395.030289]  ? kasan_check_read+0x11/0x20
[  395.034437]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  395.039746]  ? generic_perform_write+0x6a0/0x6a0
[  395.044502]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  395.050056]  ? check_preemption_disabled+0x48/0x280
[  395.055095]  filemap_fault+0x1595/0x25f0
[  395.059187]  ? __lock_page_or_retry+0xa00/0xa00
[  395.063873]  ? mark_held_locks+0x130/0x130
[  395.068120]  ? filemap_map_pages+0xd6b/0x1a20
[  395.072628]  ? lock_downgrade+0x900/0x900
[  395.076794]  ? check_preemption_disabled+0x48/0x280
[  395.081817]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  395.086763]  ? kasan_check_read+0x11/0x20
[  395.090909]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  395.096188]  ? rcu_softirq_qs+0x20/0x20
[  395.100174]  ? filemap_map_pages+0xd92/0x1a20
[  395.104680]  ? find_get_entries_tag+0x1400/0x1400
[  395.109524]  ? find_held_lock+0x36/0x1c0
[  395.113618]  ? lock_acquire+0x1ed/0x520
[  395.117609]  ? ext4_filemap_fault+0x7a/0xad
[  395.121948]  ? lock_release+0xa00/0xa00
[  395.125946]  ? perf_trace_sched_process_exec+0x860/0x860
[  395.131395]  ? print_usage_bug+0xc0/0xc0
[  395.135464]  ? down_read+0x8d/0x120
[  395.139094]  ? ext4_filemap_fault+0x7a/0xad
[  395.143413]  ? __down_interruptible+0x700/0x700
[  395.148167]  ? find_held_lock+0x36/0x1c0
[  395.152260]  ext4_filemap_fault+0x82/0xad
[  395.156413]  __do_fault+0x100/0x6b0
[  395.160070]  ? lock_downgrade+0x900/0x900
[  395.164247]  ? pmd_devmap_trans_unstable+0x220/0x220
[  395.169371]  ? kasan_check_read+0x11/0x20
[  395.173519]  ? do_raw_spin_unlock+0xa7/0x330
[  395.177941]  ? do_raw_spin_trylock+0x270/0x270
[  395.182553]  __handle_mm_fault+0x3ea0/0x5be0
[  395.187003]  ? perf_trace_lock+0x7a0/0x7a0
[  395.191236]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  395.196091]  ? zap_class+0x640/0x640
[  395.199829]  ? zap_class+0x640/0x640
[  395.203575]  ? __x64_sys_futex+0x53e/0x6a0
[  395.207841]  ? find_held_lock+0x36/0x1c0
[  395.211931]  ? handle_mm_fault+0x42a/0xc70
[  395.216161]  ? lock_downgrade+0x900/0x900
[  395.220312]  ? check_preemption_disabled+0x48/0x280
[  395.225319]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  395.230261]  ? kasan_check_read+0x11/0x20
[  395.234408]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  395.239678]  ? rcu_softirq_qs+0x20/0x20
[  395.243646]  ? trace_hardirqs_off_caller+0x310/0x310
[  395.248762]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  395.254336]  ? check_preemption_disabled+0x48/0x280
[  395.259351]  handle_mm_fault+0x54f/0xc70
[  395.263405]  ? __handle_mm_fault+0x5be0/0x5be0
[  395.268019]  ? find_vma+0x34/0x190
[  395.271558]  __do_page_fault+0x5e8/0xe60
[  395.275629]  ? trace_hardirqs_off+0xb8/0x310
[  395.280029]  ? kernel_write+0x120/0x120
[  395.284007]  do_page_fault+0xf2/0x7e0
[  395.287819]  ? vmalloc_sync_all+0x30/0x30
[  395.291964]  ? error_entry+0x70/0xd0
[  395.295676]  ? trace_hardirqs_off_caller+0xbb/0x310
[  395.300686]  ? trace_hardirqs_on_caller+0xc0/0x310
[  395.305611]  ? syscall_return_slowpath+0x5e0/0x5e0
[  395.310543]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  395.315386]  ? trace_hardirqs_on_caller+0x310/0x310
[  395.320396]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  395.325851]  ? prepare_exit_to_usermode+0x291/0x3b0
[  395.330865]  ? page_fault+0x8/0x30
[  395.334404]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  395.339241]  ? page_fault+0x8/0x30
[  395.342797]  page_fault+0x1e/0x30
[  395.346245] RIP: 0033:0x404068
[  395.349444] Code: Bad RIP value.
[  395.352799] RSP: 002b:000000c420024e48 EFLAGS: 00010206
[  395.358171] RAX: 000000c422dd4cc0 RBX: 000000c42875f801 RCX: 000000c424d31838
[  395.365431] RDX: 000000c422dd4cc0 RSI: 0000000000000001 RDI: 0000000000000001
[  395.372691] RBP: 000000c420024ed8 R08: 00007ffd3a9b40b0 R09: 00007ffd3a9b4080
[  395.379953] R10: 000000000000eacc R11: 0000000000000165 R12: 0000000000000001
[  395.387216] R13: 000000c4271c3620 R14: 0000000000000001 R15: 0000000000000000
[  395.394500] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #83
[  395.394727] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  395.401273] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  395.401281] Call Trace:
[  395.411506] syz-fuzzer cpuset=/ mems_allowed=0
[  395.420869]  dump_stack+0x244/0x39d
[  395.431609]  ? dump_stack_print_info.cold.1+0x20/0x20
[  395.436810]  warn_alloc.cold.116+0xb7/0x1bd
[  395.441159]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  395.445994]  ? lock_downgrade+0x900/0x900
[  395.450170]  ? trace_hardirqs_off+0xb8/0x310
[  395.454594]  ? trace_hardirqs_off+0xb8/0x310
[  395.459014]  __alloc_pages_slowpath+0x26e8/0x2e10
[  395.463873]  ? warn_alloc+0x120/0x120
[  395.467672]  ? print_usage_bug+0xc0/0xc0
[  395.471738]  ? warn_alloc+0x120/0x120
[  395.475551]  ? warn_alloc+0x120/0x120
[  395.479348]  ? print_usage_bug+0xc0/0xc0
[  395.483404]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  395.488941]  ? print_usage_bug+0xc0/0xc0
[  395.492998]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  395.498131]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  395.503675]  ? should_fail+0x22d/0xd01
[  395.507559]  ? should_fail+0x22d/0xd01
[  395.511442]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  395.516544]  ? __lock_acquire+0x62f/0x4c20
[  395.520779]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  395.525875]  ? __lock_acquire+0x62f/0x4c20
[  395.530114]  ? should_fail+0x22d/0xd01
[  395.534007]  ? mark_held_locks+0x130/0x130
[  395.538255]  ? mark_held_locks+0x130/0x130
[  395.542487]  ? zap_class+0x640/0x640
[  395.546209]  ? ret_from_fork+0x3a/0x50
[  395.550089]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.555637]  ? check_preemption_disabled+0x48/0x280
[  395.560654]  ? __lock_is_held+0xb5/0x140
[  395.564726]  __alloc_pages_nodemask+0xa80/0xde0
[  395.569390]  ? zap_class+0x640/0x640
[  395.573103]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  395.578154]  ? find_held_lock+0x36/0x1c0
[  395.582248]  ? ____cache_alloc_node+0x1c7/0x1e0
[  395.586912]  ? lock_downgrade+0x900/0x900
[  395.591061]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.596598]  cache_grow_begin+0xa5/0x8c0
[  395.600653]  ? do_raw_spin_unlock+0xa7/0x330
[  395.605080]  fallback_alloc+0x204/0x2e0
[  395.609052]  ____cache_alloc_node+0x1c7/0x1e0
[  395.613546]  kmem_cache_alloc_node+0xe3/0x730
[  395.618051]  ? mark_held_locks+0xc7/0x130
[  395.622212]  __alloc_skb+0x119/0x770
[  395.625924]  ? netdev_alloc_frag+0x1f0/0x1f0
[  395.630333]  ? do_raw_spin_trylock+0x270/0x270
[  395.634919]  ? kmem_cache_alloc_trace+0x353/0x750
[  395.639795]  ? queue_work_on+0x12c/0x1e0
[  395.643904]  ? switchdev_port_obj_del+0xdc/0x440
[  395.648690]  ? switchdev_trans_item_enqueue+0x260/0x260
[  395.654052]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  395.659085]  __br_mdb_notify+0x4ff/0x15d0
[  395.663232]  ? __br_mdb_add+0x7f0/0x7f0
[  395.667224]  ? zap_class+0x640/0x640
[  395.670936]  ? br_multicast_group_expired+0x96/0x610
[  395.676048]  ? lock_downgrade+0x900/0x900
[  395.680222]  br_mdb_notify+0x310/0x410
[  395.684101]  ? br_mdb_dump+0x27b0/0x27b0
[  395.688176]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.693726]  br_multicast_group_expired+0x1bc/0x610
[  395.698806]  ? br_mdb_free+0x80/0x80
[  395.702555]  call_timer_fn+0x272/0x920
[  395.706465]  ? br_mdb_free+0x80/0x80
[  395.710178]  ? process_timeout+0x40/0x40
[  395.714238]  ? __run_timers+0x7da/0xc70
[  395.718204]  ? _raw_spin_unlock_irq+0x27/0x80
[  395.722685]  ? _raw_spin_unlock_irq+0x27/0x80
[  395.727170]  ? br_mdb_free+0x80/0x80
[  395.730891]  ? lockdep_hardirqs_on+0x296/0x5b0
[  395.735488]  ? trace_hardirqs_on+0xbd/0x310
[  395.739822]  ? kasan_check_read+0x11/0x20
[  395.743962]  ? __run_timers+0x7da/0xc70
[  395.747932]  ? trace_hardirqs_off_caller+0x310/0x310
[  395.753039]  ? br_mdb_free+0x80/0x80
[  395.756767]  ? br_mdb_free+0x80/0x80
[  395.760495]  __run_timers+0x7e5/0xc70
[  395.764309]  ? timer_fixup_init+0x70/0x70
[  395.768453]  ? _raw_spin_unlock_irq+0x27/0x80
[  395.772941]  ? _raw_spin_unlock_irq+0x27/0x80
[  395.777446]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  395.782054]  ? trace_hardirqs_on+0xbd/0x310
[  395.786371]  ? kasan_check_read+0x11/0x20
[  395.790524]  ? finish_task_switch+0x1f4/0x910
[  395.795046]  ? trace_hardirqs_off_caller+0x310/0x310
[  395.800161]  ? compat_start_thread+0x80/0x80
[  395.804582]  ? pvclock_read_flags+0x160/0x160
[  395.809111]  ? __switch_to_asm+0x34/0x70
[  395.813215]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.818748]  ? check_preemption_disabled+0x48/0x280
[  395.823780]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  395.829318]  ? rcu_pm_notify+0xc0/0xc0
[  395.833198]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.838743]  ? check_preemption_disabled+0x48/0x280
[  395.843761]  run_timer_softirq+0x52/0xb0
[  395.847820]  ? rcu_read_lock_sched_held+0x14f/0x180
[  395.852828]  __do_softirq+0x308/0xb7e
[  395.856622]  ? trace_hardirqs_on_caller+0xc0/0x310
[  395.861581]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  395.866680]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  395.872143]  ? schedule+0x108/0x460
[  395.875783]  ? trace_hardirqs_off+0xb8/0x310
[  395.880192]  ? smpboot_thread_fn+0x68b/0xa00
[  395.884623]  ? trace_hardirqs_on+0x310/0x310
[  395.889049]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  395.894601]  ? check_preemption_disabled+0x48/0x280
[  395.899617]  ? takeover_tasklets+0xa90/0xa90
[  395.904025]  run_ksoftirqd+0x5e/0x100
[  395.907827]  smpboot_thread_fn+0x68b/0xa00
[  395.912067]  ? sort_range+0x30/0x30
[  395.915695]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  395.920800]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  395.926381]  ? __kthread_parkme+0xfb/0x1a0
[  395.930618]  ? sort_range+0x30/0x30
[  395.934242]  kthread+0x35a/0x440
[  395.937610]  ? kthread_stop+0x900/0x900
[  395.941588]  ret_from_fork+0x3a/0x50
[  395.945318] CPU: 1 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  395.945337] warn_alloc_show_mem: 1 callbacks suppressed
[  395.945341] Mem-Info:
[  395.952261] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  395.957625] active_anon:44321 inactive_anon:2061 isolated_anon:0
[  395.957625]  active_file:14 inactive_file:14 isolated_file:0
[  395.957625]  unevictable:0 dirty:0 writeback:0 unstable:0
[  395.957625]  slab_reclaimable:9437 slab_unreclaimable:1460937
[  395.957625]  mapped:49154 shmem:2105 pagetables:642 bounce:0
[  395.957625]  free:13638 free_pcp:328 free_cma:0
[  395.959994] Call Trace:
[  395.969392] Node 0 active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8420kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  396.002429]  <IRQ>
[  396.004997] 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
[  396.032581]  dump_stack+0x244/0x39d
[  396.034706] lowmem_reserve[]: 0 2818 6321 6321
[  396.060814]  ? dump_stack_print_info.cold.1+0x20/0x20
[  396.064426] Node 0 DMA32 free:24708kB 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
[  396.069014]  warn_alloc.cold.116+0xb7/0x1bd
[  396.074165] lowmem_reserve[]: 0 0 3503 3503
[  396.101657]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  396.105960] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2568kB bounce:0kB free_pcp:1064kB local_pcp:692kB free_cma:0kB
[  396.110279]  ? lock_downgrade+0x900/0x900
[  396.115091] lowmem_reserve[]: 0 0 0 0
[  396.144258]  ? trace_hardirqs_off+0xb8/0x310
[  396.148378] 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
[  396.152195]  ? trace_hardirqs_off+0xb8/0x310
[  396.156577] Node 0 DMA32: 5*4kB (UM) 2*8kB (MH) 2*16kB (MH) 4*32kB (MH) 3*64kB (M) 2*128kB (M) 4*256kB (UMH) 3*512kB (UM) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24708kB
[  396.170106]  __alloc_pages_slowpath+0x26e8/0x2e10
[  396.174484] Node 0 Normal: 930*4kB (MEH) 535*8kB (UMEH) 215*16kB (UME) 80*32kB (UMH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  396.190025]  ? warn_alloc+0x120/0x120
[  396.194825] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  396.208594]  ? warn_alloc+0x120/0x120
[  396.212376] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  396.221208]  ? warn_alloc+0x120/0x120
[  396.225006] 2133 total pagecache pages
[  396.233585]  ? print_usage_bug+0xc0/0xc0
[  396.237362] 0 pages in swap cache
[  396.241247]  ? print_usage_bug+0xc0/0xc0
[  396.245298] Swap cache stats: add 0, delete 0, find 0/0
[  396.248734]  ? mark_held_locks+0x130/0x130
[  396.252767] Free swap  = 0kB
[  396.258120]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  396.262324] Total swap = 0kB
[  396.265329]  ? should_fail+0x22d/0xd01
[  396.270835] 1965979 pages RAM
[  396.273838]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  396.277708] 0 pages HighMem/MovableOnly
[  396.277716] 342853 pages reserved
[  396.280811]  ? __lock_acquire+0x62f/0x4c20
[  396.285883] 0 pages cma reserved
[  396.289844]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  396.293397] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  396.297521]  ? should_fail+0x22d/0xd01
[  396.300891] ksoftirqd/0 cpuset=/ mems_allowed=0
[  396.305989]  ? mark_held_locks+0x130/0x130
[  396.329010]  ? mark_held_locks+0x130/0x130
[  396.333237]  ? print_usage_bug+0xc0/0xc0
[  396.337345]  ? find_held_lock+0x36/0x1c0
[  396.341435]  ? zap_class+0x640/0x640
[  396.345177]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.350724]  ? check_preemption_disabled+0x48/0x280
[  396.355743]  ? __lock_is_held+0xb5/0x140
[  396.359833]  __alloc_pages_nodemask+0xa80/0xde0
[  396.364492]  ? zap_class+0x640/0x640
[  396.368255]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  396.373285]  ? find_held_lock+0x36/0x1c0
[  396.377368]  ? ____cache_alloc_node+0x1c7/0x1e0
[  396.382031]  ? lock_downgrade+0x900/0x900
[  396.386196]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.391744]  cache_grow_begin+0xa5/0x8c0
[  396.395799]  ? do_raw_spin_unlock+0xa7/0x330
[  396.400204]  fallback_alloc+0x204/0x2e0
[  396.404176]  ____cache_alloc_node+0x1c7/0x1e0
[  396.408667]  kmem_cache_alloc_node+0xe3/0x730
[  396.413182]  ? mark_held_locks+0xc7/0x130
[  396.417377]  __alloc_skb+0x119/0x770
[  396.421147]  ? netdev_alloc_frag+0x1f0/0x1f0
[  396.425560]  ? do_raw_spin_trylock+0x270/0x270
[  396.430150]  ? kmem_cache_alloc_trace+0x353/0x750
[  396.435008]  ? queue_work_on+0x12c/0x1e0
[  396.439097]  ? switchdev_port_obj_del+0xdc/0x440
[  396.443844]  ? switchdev_trans_item_enqueue+0x260/0x260
[  396.449199]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  396.454224]  __br_mdb_notify+0x4ff/0x15d0
[  396.458366]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  396.463466]  ? __br_mdb_add+0x7f0/0x7f0
[  396.467434]  ? mark_held_locks+0x130/0x130
[  396.471702]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  396.476803]  ? debug_object_assert_init+0x368/0x4b0
[  396.481847]  ? debug_object_init_on_stack+0x20/0x20
[  396.486882]  ? zap_class+0x640/0x640
[  396.490590]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.496137]  br_mdb_notify+0x310/0x410
[  396.500015]  ? br_mdb_dump+0x27b0/0x27b0
[  396.504084]  br_multicast_del_pg+0x3df/0x790
[  396.508487]  ? br_mdb_ip_get+0x940/0x940
[  396.512562]  ? rwlock_bug.part.2+0x90/0x90
[  396.516806]  ? __lock_is_held+0xb5/0x140
[  396.520894]  br_multicast_port_group_expired+0x189/0x1e0
[  396.526352]  call_timer_fn+0x272/0x920
[  396.530243]  ? br_multicast_del_pg+0x790/0x790
[  396.534821]  ? process_timeout+0x40/0x40
[  396.538882]  ? mark_held_locks+0xc7/0x130
[  396.543028]  ? _raw_spin_unlock_irq+0x27/0x80
[  396.547521]  ? _raw_spin_unlock_irq+0x27/0x80
[  396.552051]  ? br_multicast_del_pg+0x790/0x790
[  396.556626]  ? lockdep_hardirqs_on+0x296/0x5b0
[  396.561196]  ? trace_hardirqs_on+0xbd/0x310
[  396.565525]  ? kasan_check_read+0x11/0x20
[  396.569669]  ? __run_timers+0x7da/0xc70
[  396.573639]  ? trace_hardirqs_off_caller+0x310/0x310
[  396.578742]  ? br_multicast_del_pg+0x790/0x790
[  396.583327]  ? br_multicast_del_pg+0x790/0x790
[  396.587903]  __run_timers+0x7e5/0xc70
[  396.591708]  ? timer_fixup_init+0x70/0x70
[  396.595849]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  396.600855]  ? zap_class+0x640/0x640
[  396.604570]  ? print_usage_bug+0xc0/0xc0
[  396.608628]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  396.613814]  ? find_held_lock+0x36/0x1c0
[  396.617871]  ? zap_class+0x640/0x640
[  396.621748]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.627328]  ? check_preemption_disabled+0x48/0x280
[  396.632361]  ? __lock_is_held+0xb5/0x140
[  396.636428]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.641975]  ? check_preemption_disabled+0x48/0x280
[  396.646989]  run_timer_softirq+0x52/0xb0
[  396.651065]  ? rcu_read_lock_sched_held+0x14f/0x180
[  396.656070]  __do_softirq+0x308/0xb7e
[  396.659879]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  396.664364]  ? lock_downgrade+0x900/0x900
[  396.668536]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  396.673685]  ? pvclock_read_flags+0x160/0x160
[  396.678173]  ? lapic_next_event+0x5a/0x90
[  396.682311]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.687841]  ? kvm_clock_read+0x18/0x30
[  396.691804]  ? kvm_sched_clock_read+0x9/0x20
[  396.696218]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.701764]  ? check_preemption_disabled+0x48/0x280
[  396.706812]  irq_exit+0x17f/0x1c0
[  396.710292]  smp_apic_timer_interrupt+0x1cb/0x760
[  396.715122]  ? smp_reschedule_interrupt+0x109/0x650
[  396.720133]  ? smp_call_function_single_interrupt+0x650/0x650
[  396.726025]  ? interrupt_entry+0xb5/0xc0
[  396.730110]  ? trace_hardirqs_off_caller+0xbb/0x310
[  396.735128]  ? trace_hardirqs_off_caller+0xbb/0x310
[  396.740134]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  396.744968]  ? trace_hardirqs_on_caller+0x310/0x310
[  396.749976]  ? trace_hardirqs_on_caller+0x310/0x310
[  396.755493]  ? task_prio+0x50/0x50
[  396.759093]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.764643]  ? check_preemption_disabled+0x48/0x280
[  396.769658]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  396.774552]  apic_timer_interrupt+0xf/0x20
[  396.778774]  </IRQ>
[  396.781007] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  396.786192] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec
[  396.805130] RSP: 0018:ffff8801c2d36100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  396.812848] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100385b2de6
[  396.820107] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c2d96ebc
[  396.827368] RBP: ffff8801c2d36128 R08: ffff8801c2d96f30 R09: 0000000000000006
[  396.834660] R10: 0000000000000000 R11: ffff8801c2d96640 R12: dffffc0000000000
[  396.841924] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  396.849210]  retint_kernel+0x1b/0x2d
[  396.852948] RIP: 0010:dump_stack+0x358/0x39d
[  396.857366] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  396.876294] RSP: 0018:ffff8801c2d361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  396.884018] RAX: ffff8801c2d96640 RBX: 1ffffffff12a3f76 RCX: 1ffff100385b2de6
[  396.891293] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  396.898573] RBP: ffff8801c2d36290 R08: ffff8801c2d96f30 R09: 0000000000000006
[  396.905866] R10: 0000000000000000 R11: ffff8801c2d96640 R12: 1ffff100385a6c45
[  396.913137] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  396.920408]  ? dump_stack+0x34f/0x39d
[  396.924207]  ? dump_stack_print_info.cold.1+0x20/0x20
[  396.929394]  ? mark_held_locks+0x130/0x130
[  396.933620]  ? mark_held_locks+0x130/0x130
[  396.937860]  dump_header+0x27b/0xf72
[  396.941590]  ? pagefault_out_of_memory+0x197/0x197
[  396.946542]  ? __lock_acquire+0x62f/0x4c20
[  396.950790]  ? percpu_ref_get_many+0x240/0x240
[  396.955368]  ? print_usage_bug+0xc0/0xc0
[  396.959462]  ? zap_class+0x640/0x640
[  396.963168]  ? print_usage_bug+0xc0/0xc0
[  396.967247]  ? print_usage_bug+0xc0/0xc0
[  396.971317]  ? zap_class+0x640/0x640
[  396.975021]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.980554]  ? find_held_lock+0x36/0x1c0
[  396.984613]  ? mark_held_locks+0xc7/0x130
[  396.988778]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  396.993869]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  396.998977]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  397.003554]  ? trace_hardirqs_on+0xbd/0x310
[  397.007880]  ? kasan_check_read+0x11/0x20
[  397.012045]  ? ___ratelimit+0x3b4/0x672
[  397.016011]  ? trace_hardirqs_off_caller+0x310/0x310
[  397.021130]  ? trace_hardirqs_on+0x310/0x310
[  397.025532]  ? lock_downgrade+0x900/0x900
[  397.029675]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  397.034781]  ? ___ratelimit+0x3b9/0x672
[  397.038748]  ? idr_get_free+0xf70/0xf70
[  397.042712]  ? find_held_lock+0x36/0x1c0
[  397.046782]  oom_kill_process.cold.27+0x10/0x903
[  397.051564]  ? zap_class+0x640/0x640
[  397.055301]  ? check_preemption_disabled+0x48/0x280
[  397.060316]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  397.065236]  ? kasan_check_read+0x11/0x20
[  397.069378]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  397.074649]  ? oom_evaluate_task+0x540/0x540
[  397.079054]  ? find_held_lock+0x36/0x1c0
[  397.083120]  ? out_of_memory+0x974/0x1430
[  397.087283]  ? lock_downgrade+0x900/0x900
[  397.091454]  ? check_preemption_disabled+0x48/0x280
[  397.096468]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  397.101392]  ? kasan_check_read+0x11/0x20
[  397.105547]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  397.110831]  ? rcu_softirq_qs+0x20/0x20
[  397.114803]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  397.120333]  ? oom_evaluate_task+0x302/0x540
[  397.124738]  out_of_memory+0xa84/0x1430
[  397.128713]  ? oom_killer_disable+0x3a0/0x3a0
[  397.133204]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  397.138134]  ? __ww_mutex_check_waiters+0x160/0x160
[  397.143162]  __alloc_pages_slowpath+0x2354/0x2e10
[  397.148089]  ? warn_alloc+0x120/0x120
[  397.151903]  ? mark_held_locks+0x130/0x130
[  397.156144]  ? find_get_entry+0xaae/0x1120
[  397.160385]  ? filemap_map_pages+0x1a20/0x1a20
[  397.164971]  ? zap_class+0x640/0x640
[  397.168687]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.174224]  ? check_preemption_disabled+0x48/0x280
[  397.179242]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  397.184797]  ? should_fail+0x22d/0xd01
[  397.188684]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  397.193783]  ? zap_class+0x640/0x640
[  397.197558]  ? __lock_is_held+0xb5/0x140
[  397.201658]  ? mark_held_locks+0x130/0x130
[  397.205895]  ? lock_release+0xa00/0xa00
[  397.209870]  ? perf_trace_sched_process_exec+0x860/0x860
[  397.215319]  ? xa_load+0x2ba/0x460
[  397.218853]  ? lock_downgrade+0x900/0x900
[  397.223027]  ? __might_sleep+0x95/0x190
[  397.226999]  __alloc_pages_nodemask+0xa80/0xde0
[  397.231668]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  397.236686]  ? __page_cache_alloc+0x191/0x5c0
[  397.241174]  ? xa_load+0x2e1/0x460
[  397.244724]  ? xa_clear_mark+0x40/0x40
[  397.248605]  ? zap_class+0x640/0x640
[  397.252319]  ? zap_class+0x640/0x640
[  397.256040]  ? zap_class+0x640/0x640
[  397.259756]  ? __do_page_cache_readahead+0x663/0x810
[  397.264874]  ? find_held_lock+0x36/0x1c0
[  397.268934]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  397.274491]  alloc_pages_current+0x173/0x350
[  397.278909]  __page_cache_alloc+0x38c/0x5c0
[  397.283242]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  397.288186]  ? kasan_check_read+0x11/0x20
[  397.292331]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  397.297627]  ? generic_perform_write+0x6a0/0x6a0
[  397.302382]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  397.307917]  ? check_preemption_disabled+0x48/0x280
[  397.312949]  filemap_fault+0x1595/0x25f0
[  397.317036]  ? __lock_page_or_retry+0xa00/0xa00
[  397.321720]  ? mark_held_locks+0x130/0x130
[  397.325972]  ? filemap_map_pages+0xd6b/0x1a20
[  397.330467]  ? lock_downgrade+0x900/0x900
[  397.334606]  ? check_preemption_disabled+0x48/0x280
[  397.339620]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  397.344540]  ? kasan_check_read+0x11/0x20
[  397.348698]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  397.353969]  ? rcu_softirq_qs+0x20/0x20
[  397.357949]  ? filemap_map_pages+0xd92/0x1a20
[  397.362465]  ? find_get_entries_tag+0x1400/0x1400
[  397.367298]  ? find_held_lock+0x36/0x1c0
[  397.371389]  ? lock_acquire+0x1ed/0x520
[  397.375357]  ? ext4_filemap_fault+0x7a/0xad
[  397.379699]  ? lock_release+0xa00/0xa00
[  397.383671]  ? perf_trace_sched_process_exec+0x860/0x860
[  397.389116]  ? print_usage_bug+0xc0/0xc0
[  397.393180]  ? down_read+0x8d/0x120
[  397.396809]  ? ext4_filemap_fault+0x7a/0xad
[  397.401172]  ? __down_interruptible+0x700/0x700
[  397.405903]  ? find_held_lock+0x36/0x1c0
[  397.409962]  ext4_filemap_fault+0x82/0xad
[  397.414100]  __do_fault+0x100/0x6b0
[  397.417723]  ? lock_downgrade+0x900/0x900
[  397.421883]  ? pmd_devmap_trans_unstable+0x220/0x220
[  397.427000]  ? kasan_check_read+0x11/0x20
[  397.431157]  ? do_raw_spin_unlock+0xa7/0x330
[  397.435571]  ? do_raw_spin_trylock+0x270/0x270
[  397.440155]  __handle_mm_fault+0x3ea0/0x5be0
[  397.444568]  ? perf_trace_lock+0x7a0/0x7a0
[  397.448815]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  397.453688]  ? zap_class+0x640/0x640
[  397.457392]  ? zap_class+0x640/0x640
[  397.461095]  ? __x64_sys_futex+0x53e/0x6a0
[  397.465337]  ? find_held_lock+0x36/0x1c0
[  397.469397]  ? handle_mm_fault+0x42a/0xc70
[  397.473661]  ? lock_downgrade+0x900/0x900
[  397.477817]  ? check_preemption_disabled+0x48/0x280
[  397.482843]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  397.487778]  ? kasan_check_read+0x11/0x20
[  397.491924]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  397.497207]  ? rcu_softirq_qs+0x20/0x20
[  397.501172]  ? trace_hardirqs_off_caller+0x310/0x310
[  397.506276]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  397.511808]  ? check_preemption_disabled+0x48/0x280
[  397.516839]  handle_mm_fault+0x54f/0xc70
[  397.520931]  ? __handle_mm_fault+0x5be0/0x5be0
[  397.525516]  ? find_vma+0x34/0x190
[  397.529084]  __do_page_fault+0x5e8/0xe60
[  397.533135]  ? trace_hardirqs_off+0xb8/0x310
[  397.537584]  ? kernel_write+0x120/0x120
[  397.541572]  do_page_fault+0xf2/0x7e0
[  397.545361]  ? vmalloc_sync_all+0x30/0x30
[  397.549494]  ? error_entry+0x70/0xd0
[  397.553219]  ? trace_hardirqs_off_caller+0xbb/0x310
[  397.558236]  ? trace_hardirqs_on_caller+0xc0/0x310
[  397.563155]  ? syscall_return_slowpath+0x5e0/0x5e0
[  397.568079]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  397.572953]  ? trace_hardirqs_on_caller+0x310/0x310
[  397.577985]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  397.583454]  ? prepare_exit_to_usermode+0x291/0x3b0
[  397.588459]  ? page_fault+0x8/0x30
[  397.592004]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  397.596835]  ? page_fault+0x8/0x30
[  397.600368]  page_fault+0x1e/0x30
[  397.603835] RIP: 0033:0x404068
[  397.607025] Code: Bad RIP value.
[  397.610379] RSP: 002b:000000c420024e48 EFLAGS: 00010206
[  397.615728] RAX: 000000c422dd4cc0 RBX: 000000c42875f801 RCX: 000000c424d31838
[  397.622985] RDX: 000000c422dd4cc0 RSI: 0000000000000001 RDI: 0000000000000001
[  397.630259] RBP: 000000c420024ed8 R08: 00007ffd3a9b40b0 R09: 00007ffd3a9b4080
[  397.637539] R10: 000000000000eacc R11: 0000000000000165 R12: 0000000000000001
[  397.644815] R13: 000000c4271c3620 R14: 0000000000000001 R15: 0000000000000000
[  397.652139] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #83
[  397.652313] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  397.658907] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  397.669111] syz-fuzzer cpuset=/ mems_allowed=0
[  397.678441] Call Trace:
[  397.685570]  dump_stack+0x244/0x39d
[  397.689197]  ? dump_stack_print_info.cold.1+0x20/0x20
[  397.694391]  warn_alloc.cold.116+0xb7/0x1bd
[  397.698707]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  397.703547]  ? lock_downgrade+0x900/0x900
[  397.707714]  ? trace_hardirqs_off+0xb8/0x310
[  397.712119]  ? trace_hardirqs_off+0xb8/0x310
[  397.716562]  __alloc_pages_slowpath+0x26e8/0x2e10
[  397.721456]  ? warn_alloc+0x120/0x120
[  397.725301]  ? print_usage_bug+0xc0/0xc0
[  397.729356]  ? warn_alloc+0x120/0x120
[  397.733222]  ? warn_alloc+0x120/0x120
[  397.737020]  ? print_usage_bug+0xc0/0xc0
[  397.741072]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  397.746602]  ? print_usage_bug+0xc0/0xc0
[  397.750663]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  397.755782]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  397.761313]  ? should_fail+0x22d/0xd01
[  397.765191]  ? should_fail+0x22d/0xd01
[  397.769091]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  397.774193]  ? __lock_acquire+0x62f/0x4c20
[  397.778422]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  397.783521]  ? __lock_acquire+0x62f/0x4c20
[  397.787750]  ? should_fail+0x22d/0xd01
[  397.791658]  ? mark_held_locks+0x130/0x130
[  397.795904]  ? mark_held_locks+0x130/0x130
[  397.800141]  ? zap_class+0x640/0x640
[  397.803877]  ? ret_from_fork+0x3a/0x50
[  397.807785]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.813314]  ? check_preemption_disabled+0x48/0x280
[  397.818328]  ? __lock_is_held+0xb5/0x140
[  397.822405]  __alloc_pages_nodemask+0xa80/0xde0
[  397.827083]  ? zap_class+0x640/0x640
[  397.830803]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  397.835823]  ? find_held_lock+0x36/0x1c0
[  397.839884]  ? ____cache_alloc_node+0x1c7/0x1e0
[  397.844547]  ? lock_downgrade+0x900/0x900
[  397.848706]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.854235]  cache_grow_begin+0xa5/0x8c0
[  397.858284]  ? do_raw_spin_unlock+0xa7/0x330
[  397.862709]  fallback_alloc+0x204/0x2e0
[  397.866698]  ____cache_alloc_node+0x1c7/0x1e0
[  397.871190]  kmem_cache_alloc_node+0xe3/0x730
[  397.875676]  ? mark_held_locks+0xc7/0x130
[  397.879824]  __alloc_skb+0x119/0x770
[  397.883540]  ? netdev_alloc_frag+0x1f0/0x1f0
[  397.887952]  ? do_raw_spin_trylock+0x270/0x270
[  397.892560]  ? kmem_cache_alloc_trace+0x353/0x750
[  397.897397]  ? queue_work_on+0x12c/0x1e0
[  397.901476]  ? switchdev_port_obj_del+0xdc/0x440
[  397.906260]  ? switchdev_trans_item_enqueue+0x260/0x260
[  397.911639]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  397.916651]  __br_mdb_notify+0x4ff/0x15d0
[  397.920803]  ? __br_mdb_add+0x7f0/0x7f0
[  397.924782]  ? zap_class+0x640/0x640
[  397.928545]  ? br_multicast_group_expired+0x96/0x610
[  397.933658]  ? lock_downgrade+0x900/0x900
[  397.937807]  br_mdb_notify+0x310/0x410
[  397.941702]  ? br_mdb_dump+0x27b0/0x27b0
[  397.945810]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.951452]  br_multicast_group_expired+0x1bc/0x610
[  397.956462]  ? br_mdb_free+0x80/0x80
[  397.960204]  call_timer_fn+0x272/0x920
[  397.964080]  ? br_mdb_free+0x80/0x80
[  397.967790]  ? process_timeout+0x40/0x40
[  397.971848]  ? __run_timers+0x7da/0xc70
[  397.975819]  ? _raw_spin_unlock_irq+0x27/0x80
[  397.980315]  ? _raw_spin_unlock_irq+0x27/0x80
[  397.984814]  ? br_mdb_free+0x80/0x80
[  397.988541]  ? lockdep_hardirqs_on+0x296/0x5b0
[  397.993158]  ? trace_hardirqs_on+0xbd/0x310
[  397.997483]  ? kasan_check_read+0x11/0x20
[  398.001627]  ? __run_timers+0x7da/0xc70
[  398.005609]  ? trace_hardirqs_off_caller+0x310/0x310
[  398.010751]  ? br_mdb_free+0x80/0x80
[  398.014481]  ? br_mdb_free+0x80/0x80
[  398.018231]  __run_timers+0x7e5/0xc70
[  398.022030]  ? timer_fixup_init+0x70/0x70
[  398.026167]  ? _raw_spin_unlock_irq+0x27/0x80
[  398.030658]  ? _raw_spin_unlock_irq+0x27/0x80
[  398.035142]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  398.039715]  ? trace_hardirqs_on+0xbd/0x310
[  398.044027]  ? kasan_check_read+0x11/0x20
[  398.048169]  ? finish_task_switch+0x1f4/0x910
[  398.052653]  ? trace_hardirqs_off_caller+0x310/0x310
[  398.057757]  ? compat_start_thread+0x80/0x80
[  398.062220]  ? pvclock_read_flags+0x160/0x160
[  398.066724]  ? __switch_to_asm+0x34/0x70
[  398.070813]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.076365]  ? check_preemption_disabled+0x48/0x280
[  398.081380]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  398.086909]  ? rcu_pm_notify+0xc0/0xc0
[  398.090792]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.096319]  ? check_preemption_disabled+0x48/0x280
[  398.101331]  run_timer_softirq+0x52/0xb0
[  398.105384]  ? rcu_read_lock_sched_held+0x14f/0x180
[  398.110389]  __do_softirq+0x308/0xb7e
[  398.114217]  ? trace_hardirqs_on_caller+0xc0/0x310
[  398.119156]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  398.124248]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  398.129696]  ? schedule+0x108/0x460
[  398.133337]  ? trace_hardirqs_off+0xb8/0x310
[  398.137743]  ? smpboot_thread_fn+0x68b/0xa00
[  398.142148]  ? trace_hardirqs_on+0x310/0x310
[  398.146597]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  398.152126]  ? check_preemption_disabled+0x48/0x280
[  398.157141]  ? takeover_tasklets+0xa90/0xa90
[  398.161615]  run_ksoftirqd+0x5e/0x100
[  398.165407]  smpboot_thread_fn+0x68b/0xa00
[  398.169640]  ? sort_range+0x30/0x30
[  398.173262]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  398.178357]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  398.183890]  ? __kthread_parkme+0xfb/0x1a0
[  398.188122]  ? sort_range+0x30/0x30
[  398.191743]  kthread+0x35a/0x440
[  398.195132]  ? kthread_stop+0x900/0x900
[  398.199119]  ret_from_fork+0x3a/0x50
[  398.202861] warn_alloc_show_mem: 1 callbacks suppressed
[  398.202872] CPU: 1 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  398.202874] Mem-Info:
[  398.202922] active_anon:44321 inactive_anon:2061 isolated_anon:0
[  398.202922]  active_file:14 inactive_file:14 isolated_file:0
[  398.202922]  unevictable:0 dirty:0 writeback:0 unstable:0
[  398.202922]  slab_reclaimable:9437 slab_unreclaimable:1460937
[  398.202922]  mapped:49154 shmem:2105 pagetables:642 bounce:0
[  398.202922]  free:13638 free_pcp:328 free_cma:0
[  398.208266] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  398.215208] Node 0 active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8420kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  398.217599] Call Trace:
[  398.250632] 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
[  398.259968]  <IRQ>
[  398.287548] lowmem_reserve[]: 0 2818 6321 6321
[  398.290122]  dump_stack+0x244/0x39d
[  398.316216] Node 0 DMA32 free:24708kB 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
[  398.318356]  ? dump_stack_print_info.cold.1+0x20/0x20
[  398.322905] lowmem_reserve[]: 0 0 3503 3503
[  398.326563]  warn_alloc.cold.116+0xb7/0x1bd
[  398.354025] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2568kB bounce:0kB free_pcp:1064kB local_pcp:692kB free_cma:0kB
[  398.359200]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  398.363492] lowmem_reserve[]: 0 0 0 0
[  398.367812]  ? lock_downgrade+0x900/0x900
[  398.396860] 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
[  398.401694]  ? trace_hardirqs_off+0xb8/0x310
[  398.405460] Node 0 DMA32: 5*4kB (UM) 2*8kB (MH) 2*16kB (MH) 4*32kB (MH) 3*64kB (M) 2*128kB (M) 4*256kB (UMH) 3*512kB (UM) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24708kB
[  398.409598]  ? trace_hardirqs_off+0xb8/0x310
[  398.423109] Node 0 Normal: 930*4kB (MEH) 535*8kB (UMEH) 215*16kB (UME) 80*32kB (UMH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  398.427509]  __alloc_pages_slowpath+0x26e8/0x2e10
[  398.443009] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  398.447422]  ? warn_alloc+0x120/0x120
[  398.461177] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  398.466032]  ? warn_alloc+0x120/0x120
[  398.474842] 2133 total pagecache pages
[  398.478628]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  398.487177] 0 pages in swap cache
[  398.490977]  ? warn_alloc+0x120/0x120
[  398.494861] Swap cache stats: add 0, delete 0, find 0/0
[  398.499862]  ? print_usage_bug+0xc0/0xc0
[  398.503302] Free swap  = 0kB
[  398.507086]  ? print_usage_bug+0xc0/0xc0
[  398.512414] Total swap = 0kB
[  398.512421] 1965979 pages RAM
[  398.516479]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  398.519463] 0 pages HighMem/MovableOnly
[  398.519470] 342853 pages reserved
[  398.523574]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  398.526586] 0 pages cma reserved
[  398.529698]  ? should_fail+0x22d/0xd01
[  398.534977] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  398.538836]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  398.542261] ksoftirqd/0 cpuset=/ mems_allowed=0
[  398.547791]  ? __lock_acquire+0x62f/0x4c20
[  398.579300]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  398.584397]  ? should_fail+0x22d/0xd01
[  398.588303]  ? mark_held_locks+0x130/0x130
[  398.592555]  ? mark_held_locks+0x130/0x130
[  398.596779]  ? print_usage_bug+0xc0/0xc0
[  398.600892]  ? find_held_lock+0x36/0x1c0
[  398.604947]  ? zap_class+0x640/0x640
[  398.608672]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.614203]  ? check_preemption_disabled+0x48/0x280
[  398.619242]  ? __lock_is_held+0xb5/0x140
[  398.623444]  __alloc_pages_nodemask+0xa80/0xde0
[  398.628121]  ? zap_class+0x640/0x640
[  398.631832]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  398.636861]  ? find_held_lock+0x36/0x1c0
[  398.640957]  ? ____cache_alloc_node+0x1c7/0x1e0
[  398.645619]  ? lock_downgrade+0x900/0x900
[  398.649765]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.655307]  cache_grow_begin+0xa5/0x8c0
[  398.659358]  ? do_raw_spin_unlock+0xa7/0x330
[  398.663765]  fallback_alloc+0x204/0x2e0
[  398.667751]  ____cache_alloc_node+0x1c7/0x1e0
[  398.672243]  kmem_cache_alloc_node+0xe3/0x730
[  398.676728]  ? mark_held_locks+0xc7/0x130
[  398.680912]  __alloc_skb+0x119/0x770
[  398.684699]  ? netdev_alloc_frag+0x1f0/0x1f0
[  398.689098]  ? do_raw_spin_trylock+0x270/0x270
[  398.693688]  ? kmem_cache_alloc_trace+0x353/0x750
[  398.698532]  ? queue_work_on+0x12c/0x1e0
[  398.702599]  ? switchdev_port_obj_del+0xdc/0x440
[  398.707346]  ? switchdev_trans_item_enqueue+0x260/0x260
[  398.712858]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  398.717913]  __br_mdb_notify+0x4ff/0x15d0
[  398.722064]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  398.727178]  ? __br_mdb_add+0x7f0/0x7f0
[  398.731173]  ? mark_held_locks+0x130/0x130
[  398.735415]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  398.740516]  ? debug_object_assert_init+0x368/0x4b0
[  398.745547]  ? debug_object_init_on_stack+0x20/0x20
[  398.750562]  ? zap_class+0x640/0x640
[  398.754799]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.760351]  br_mdb_notify+0x310/0x410
[  398.764260]  ? br_mdb_dump+0x27b0/0x27b0
[  398.768334]  br_multicast_del_pg+0x3df/0x790
[  398.772761]  ? br_mdb_ip_get+0x940/0x940
[  398.776822]  ? rwlock_bug.part.2+0x90/0x90
[  398.781054]  ? __lock_is_held+0xb5/0x140
[  398.785129]  br_multicast_port_group_expired+0x189/0x1e0
[  398.790601]  call_timer_fn+0x272/0x920
[  398.794495]  ? br_multicast_del_pg+0x790/0x790
[  398.799115]  ? process_timeout+0x40/0x40
[  398.803181]  ? mark_held_locks+0xc7/0x130
[  398.807325]  ? _raw_spin_unlock_irq+0x27/0x80
[  398.811830]  ? _raw_spin_unlock_irq+0x27/0x80
[  398.816316]  ? br_multicast_del_pg+0x790/0x790
[  398.820907]  ? lockdep_hardirqs_on+0x296/0x5b0
[  398.825483]  ? trace_hardirqs_on+0xbd/0x310
[  398.829809]  ? kasan_check_read+0x11/0x20
[  398.833949]  ? __run_timers+0x7da/0xc70
[  398.837918]  ? trace_hardirqs_off_caller+0x310/0x310
[  398.843037]  ? br_multicast_del_pg+0x790/0x790
[  398.847634]  ? br_multicast_del_pg+0x790/0x790
[  398.852206]  __run_timers+0x7e5/0xc70
[  398.856066]  ? timer_fixup_init+0x70/0x70
[  398.860209]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  398.865266]  ? zap_class+0x640/0x640
[  398.869024]  ? print_usage_bug+0xc0/0xc0
[  398.873086]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  398.878291]  ? find_held_lock+0x36/0x1c0
[  398.882364]  ? zap_class+0x640/0x640
[  398.886111]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.891675]  ? check_preemption_disabled+0x48/0x280
[  398.896693]  ? __lock_is_held+0xb5/0x140
[  398.900749]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.906283]  ? check_preemption_disabled+0x48/0x280
[  398.911317]  run_timer_softirq+0x52/0xb0
[  398.915369]  ? rcu_read_lock_sched_held+0x14f/0x180
[  398.920378]  __do_softirq+0x308/0xb7e
[  398.924194]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  398.928682]  ? lock_downgrade+0x900/0x900
[  398.932825]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  398.937934]  ? pvclock_read_flags+0x160/0x160
[  398.942423]  ? lapic_next_event+0x5a/0x90
[  398.946602]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.952136]  ? kvm_clock_read+0x18/0x30
[  398.956116]  ? kvm_sched_clock_read+0x9/0x20
[  398.960529]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.966063]  ? check_preemption_disabled+0x48/0x280
[  398.971079]  irq_exit+0x17f/0x1c0
[  398.974531]  smp_apic_timer_interrupt+0x1cb/0x760
[  398.979400]  ? smp_reschedule_interrupt+0x109/0x650
[  398.984410]  ? smp_call_function_single_interrupt+0x650/0x650
[  398.990327]  ? interrupt_entry+0xb5/0xc0
[  398.994414]  ? trace_hardirqs_off_caller+0xbb/0x310
[  398.999436]  ? trace_hardirqs_off_caller+0xbb/0x310
[  399.004445]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  399.009298]  ? trace_hardirqs_on_caller+0x310/0x310
[  399.014333]  ? trace_hardirqs_on_caller+0x310/0x310
[  399.019370]  ? task_prio+0x50/0x50
[  399.022953]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.028481]  ? check_preemption_disabled+0x48/0x280
[  399.033534]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  399.038430]  apic_timer_interrupt+0xf/0x20
[  399.042657]  </IRQ>
[  399.044905] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  399.050104] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec
[  399.069007] RSP: 0018:ffff8801c2d36100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  399.076703] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100385b2de6
[  399.083960] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c2d96ebc
[  399.091231] RBP: ffff8801c2d36128 R08: ffff8801c2d96f30 R09: 0000000000000006
[  399.098527] R10: 0000000000000000 R11: ffff8801c2d96640 R12: dffffc0000000000
[  399.105823] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  399.113127]  retint_kernel+0x1b/0x2d
[  399.116856] RIP: 0010:dump_stack+0x358/0x39d
[  399.121288] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  399.140195] RSP: 0018:ffff8801c2d361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  399.147894] RAX: ffff8801c2d96640 RBX: 1ffffffff12a3f76 RCX: 1ffff100385b2de6
[  399.155181] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  399.162440] RBP: ffff8801c2d36290 R08: ffff8801c2d96f30 R09: 0000000000000006
[  399.169699] R10: 0000000000000000 R11: ffff8801c2d96640 R12: 1ffff100385a6c45
[  399.176960] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  399.184234]  ? dump_stack+0x34f/0x39d
[  399.188060]  ? dump_stack_print_info.cold.1+0x20/0x20
[  399.193245]  ? mark_held_locks+0x130/0x130
[  399.197501]  ? mark_held_locks+0x130/0x130
[  399.201739]  dump_header+0x27b/0xf72
[  399.205453]  ? pagefault_out_of_memory+0x197/0x197
[  399.210395]  ? __lock_acquire+0x62f/0x4c20
[  399.214639]  ? percpu_ref_get_many+0x240/0x240
[  399.219220]  ? print_usage_bug+0xc0/0xc0
[  399.223286]  ? zap_class+0x640/0x640
[  399.226995]  ? print_usage_bug+0xc0/0xc0
[  399.231052]  ? print_usage_bug+0xc0/0xc0
[  399.235109]  ? zap_class+0x640/0x640
[  399.238822]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.244371]  ? find_held_lock+0x36/0x1c0
[  399.248448]  ? mark_held_locks+0xc7/0x130
[  399.252619]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  399.257712]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  399.262803]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  399.267376]  ? trace_hardirqs_on+0xbd/0x310
[  399.271729]  ? kasan_check_read+0x11/0x20
[  399.275902]  ? ___ratelimit+0x3b4/0x672
[  399.279873]  ? trace_hardirqs_off_caller+0x310/0x310
[  399.285003]  ? trace_hardirqs_on+0x310/0x310
[  399.289402]  ? lock_downgrade+0x900/0x900
[  399.293552]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  399.298661]  ? ___ratelimit+0x3b9/0x672
[  399.302636]  ? idr_get_free+0xf70/0xf70
[  399.306624]  ? find_held_lock+0x36/0x1c0
[  399.310687]  oom_kill_process.cold.27+0x10/0x903
[  399.315475]  ? zap_class+0x640/0x640
[  399.319181]  ? check_preemption_disabled+0x48/0x280
[  399.324192]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  399.329152]  ? kasan_check_read+0x11/0x20
[  399.333328]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  399.338621]  ? oom_evaluate_task+0x540/0x540
[  399.343059]  ? find_held_lock+0x36/0x1c0
[  399.347131]  ? out_of_memory+0x974/0x1430
[  399.351297]  ? lock_downgrade+0x900/0x900
[  399.355454]  ? check_preemption_disabled+0x48/0x280
[  399.360473]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  399.365401]  ? kasan_check_read+0x11/0x20
[  399.369552]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  399.374833]  ? rcu_softirq_qs+0x20/0x20
[  399.378812]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.384350]  ? oom_evaluate_task+0x302/0x540
[  399.388764]  out_of_memory+0xa84/0x1430
[  399.392747]  ? oom_killer_disable+0x3a0/0x3a0
[  399.397243]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  399.402210]  ? __ww_mutex_check_waiters+0x160/0x160
[  399.407240]  __alloc_pages_slowpath+0x2354/0x2e10
[  399.412132]  ? warn_alloc+0x120/0x120
[  399.415947]  ? mark_held_locks+0x130/0x130
[  399.420207]  ? find_get_entry+0xaae/0x1120
[  399.424480]  ? filemap_map_pages+0x1a20/0x1a20
[  399.429080]  ? zap_class+0x640/0x640
[  399.432800]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.438343]  ? check_preemption_disabled+0x48/0x280
[  399.443362]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.448901]  ? should_fail+0x22d/0xd01
[  399.452795]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  399.457901]  ? zap_class+0x640/0x640
[  399.461643]  ? __lock_is_held+0xb5/0x140
[  399.465715]  ? mark_held_locks+0x130/0x130
[  399.469953]  ? lock_release+0xa00/0xa00
[  399.473932]  ? perf_trace_sched_process_exec+0x860/0x860
[  399.479397]  ? xa_load+0x2ba/0x460
[  399.482943]  ? lock_downgrade+0x900/0x900
[  399.487098]  ? __might_sleep+0x95/0x190
[  399.491084]  __alloc_pages_nodemask+0xa80/0xde0
[  399.495774]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  399.500791]  ? __page_cache_alloc+0x191/0x5c0
[  399.505294]  ? xa_load+0x2e1/0x460
[  399.508835]  ? xa_clear_mark+0x40/0x40
[  399.512739]  ? zap_class+0x640/0x640
[  399.516462]  ? zap_class+0x640/0x640
[  399.520176]  ? zap_class+0x640/0x640
[  399.523917]  ? __do_page_cache_readahead+0x663/0x810
[  399.529051]  ? find_held_lock+0x36/0x1c0
[  399.533117]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  399.538662]  alloc_pages_current+0x173/0x350
[  399.543077]  __page_cache_alloc+0x38c/0x5c0
[  399.547400]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  399.552325]  ? kasan_check_read+0x11/0x20
[  399.556466]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  399.561744]  ? generic_perform_write+0x6a0/0x6a0
[  399.566499]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.572062]  ? check_preemption_disabled+0x48/0x280
[  399.577118]  filemap_fault+0x1595/0x25f0
[  399.581210]  ? __lock_page_or_retry+0xa00/0xa00
[  399.585875]  ? mark_held_locks+0x130/0x130
[  399.590132]  ? filemap_map_pages+0xd6b/0x1a20
[  399.594624]  ? lock_downgrade+0x900/0x900
[  399.598766]  ? check_preemption_disabled+0x48/0x280
[  399.603777]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  399.608699]  ? kasan_check_read+0x11/0x20
[  399.612836]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  399.618104]  ? rcu_softirq_qs+0x20/0x20
[  399.622096]  ? filemap_map_pages+0xd92/0x1a20
[  399.626591]  ? find_get_entries_tag+0x1400/0x1400
[  399.631423]  ? find_held_lock+0x36/0x1c0
[  399.635528]  ? lock_acquire+0x1ed/0x520
[  399.639505]  ? ext4_filemap_fault+0x7a/0xad
[  399.643850]  ? lock_release+0xa00/0xa00
[  399.647853]  ? perf_trace_sched_process_exec+0x860/0x860
[  399.653311]  ? print_usage_bug+0xc0/0xc0
[  399.657403]  ? down_read+0x8d/0x120
[  399.661044]  ? ext4_filemap_fault+0x7a/0xad
[  399.665368]  ? __down_interruptible+0x700/0x700
[  399.670026]  ? find_held_lock+0x36/0x1c0
[  399.674079]  ext4_filemap_fault+0x82/0xad
[  399.678215]  __do_fault+0x100/0x6b0
[  399.681831]  ? lock_downgrade+0x900/0x900
[  399.685969]  ? pmd_devmap_trans_unstable+0x220/0x220
[  399.691079]  ? kasan_check_read+0x11/0x20
[  399.695213]  ? do_raw_spin_unlock+0xa7/0x330
[  399.699627]  ? do_raw_spin_trylock+0x270/0x270
[  399.704216]  __handle_mm_fault+0x3ea0/0x5be0
[  399.708625]  ? perf_trace_lock+0x7a0/0x7a0
[  399.712876]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  399.717759]  ? zap_class+0x640/0x640
[  399.721463]  ? zap_class+0x640/0x640
[  399.725184]  ? __x64_sys_futex+0x53e/0x6a0
[  399.729431]  ? find_held_lock+0x36/0x1c0
[  399.733545]  ? handle_mm_fault+0x42a/0xc70
[  399.737773]  ? lock_downgrade+0x900/0x900
[  399.741920]  ? check_preemption_disabled+0x48/0x280
[  399.746954]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  399.751877]  ? kasan_check_read+0x11/0x20
[  399.756045]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  399.761319]  ? rcu_softirq_qs+0x20/0x20
[  399.765288]  ? trace_hardirqs_off_caller+0x310/0x310
[  399.770388]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.775920]  ? check_preemption_disabled+0x48/0x280
[  399.780933]  handle_mm_fault+0x54f/0xc70
[  399.785010]  ? __handle_mm_fault+0x5be0/0x5be0
[  399.789592]  ? find_vma+0x34/0x190
[  399.793157]  __do_page_fault+0x5e8/0xe60
[  399.797207]  ? trace_hardirqs_off+0xb8/0x310
[  399.801608]  ? kernel_write+0x120/0x120
[  399.805578]  do_page_fault+0xf2/0x7e0
[  399.809386]  ? vmalloc_sync_all+0x30/0x30
[  399.813534]  ? error_entry+0x70/0xd0
[  399.817246]  ? trace_hardirqs_off_caller+0xbb/0x310
[  399.822296]  ? trace_hardirqs_on_caller+0xc0/0x310
[  399.827238]  ? syscall_return_slowpath+0x5e0/0x5e0
[  399.832157]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  399.836993]  ? trace_hardirqs_on_caller+0x310/0x310
[  399.842032]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  399.847543]  ? prepare_exit_to_usermode+0x291/0x3b0
[  399.852561]  ? page_fault+0x8/0x30
[  399.856111]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  399.860964]  ? page_fault+0x8/0x30
[  399.864498]  page_fault+0x1e/0x30
[  399.867967] RIP: 0033:0x404068
[  399.871176] Code: Bad RIP value.
[  399.874556] RSP: 002b:000000c420024e48 EFLAGS: 00010206
[  399.879909] RAX: 000000c422dd4cc0 RBX: 000000c42875f801 RCX: 000000c424d31838
[  399.887168] RDX: 000000c422dd4cc0 RSI: 0000000000000001 RDI: 0000000000000001
[  399.894449] RBP: 000000c420024ed8 R08: 00007ffd3a9b40b0 R09: 00007ffd3a9b4080
[  399.901709] R10: 000000000000eacc R11: 0000000000000165 R12: 0000000000000001
[  399.908985] R13: 000000c4271c3620 R14: 0000000000000001 R15: 0000000000000000
[  399.916268] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #83
[  399.916428] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  399.923060] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  399.933263] syz-fuzzer cpuset=/ mems_allowed=0
[  399.942604] Call Trace:
[  399.949759]  dump_stack+0x244/0x39d
[  399.953396]  ? dump_stack_print_info.cold.1+0x20/0x20
[  399.958600]  warn_alloc.cold.116+0xb7/0x1bd
[  399.962934]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  399.967817]  ? lock_downgrade+0x900/0x900
[  399.971967]  ? trace_hardirqs_off+0xb8/0x310
[  399.976377]  ? trace_hardirqs_off+0xb8/0x310
[  399.980794]  __alloc_pages_slowpath+0x26e8/0x2e10
[  399.985661]  ? warn_alloc+0x120/0x120
[  399.989469]  ? print_usage_bug+0xc0/0xc0
[  399.993564]  ? warn_alloc+0x120/0x120
[  399.997361]  ? warn_alloc+0x120/0x120
[  400.001154]  ? print_usage_bug+0xc0/0xc0
[  400.005218]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  400.010754]  ? print_usage_bug+0xc0/0xc0
[  400.014815]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  400.019974]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  400.025524]  ? should_fail+0x22d/0xd01
[  400.029415]  ? should_fail+0x22d/0xd01
[  400.033307]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  400.038410]  ? __lock_acquire+0x62f/0x4c20
[  400.042656]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  400.047760]  ? __lock_acquire+0x62f/0x4c20
[  400.052002]  ? should_fail+0x22d/0xd01
[  400.055917]  ? mark_held_locks+0x130/0x130
[  400.060191]  ? mark_held_locks+0x130/0x130
[  400.064435]  ? zap_class+0x640/0x640
[  400.068148]  ? ret_from_fork+0x3a/0x50
[  400.072040]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.077580]  ? check_preemption_disabled+0x48/0x280
[  400.082613]  ? __lock_is_held+0xb5/0x140
[  400.086682]  __alloc_pages_nodemask+0xa80/0xde0
[  400.091350]  ? zap_class+0x640/0x640
[  400.095069]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  400.100098]  ? find_held_lock+0x36/0x1c0
[  400.104219]  ? ____cache_alloc_node+0x1c7/0x1e0
[  400.108890]  ? lock_downgrade+0x900/0x900
[  400.113049]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.118594]  cache_grow_begin+0xa5/0x8c0
[  400.122653]  ? do_raw_spin_unlock+0xa7/0x330
[  400.127070]  fallback_alloc+0x204/0x2e0
[  400.131052]  ____cache_alloc_node+0x1c7/0x1e0
[  400.135554]  kmem_cache_alloc_node+0xe3/0x730
[  400.140049]  ? mark_held_locks+0xc7/0x130
[  400.144212]  __alloc_skb+0x119/0x770
[  400.147992]  ? netdev_alloc_frag+0x1f0/0x1f0
[  400.152433]  ? do_raw_spin_trylock+0x270/0x270
[  400.157021]  ? kmem_cache_alloc_trace+0x353/0x750
[  400.161885]  ? queue_work_on+0x12c/0x1e0
[  400.165956]  ? switchdev_port_obj_del+0xdc/0x440
[  400.170718]  ? switchdev_trans_item_enqueue+0x260/0x260
[  400.176103]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  400.181129]  __br_mdb_notify+0x4ff/0x15d0
[  400.185306]  ? __br_mdb_add+0x7f0/0x7f0
[  400.189291]  ? zap_class+0x640/0x640
[  400.193030]  ? br_multicast_group_expired+0x96/0x610
[  400.198141]  ? lock_downgrade+0x900/0x900
[  400.202312]  br_mdb_notify+0x310/0x410
[  400.206200]  ? br_mdb_dump+0x27b0/0x27b0
[  400.210277]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.215841]  br_multicast_group_expired+0x1bc/0x610
[  400.220879]  ? br_mdb_free+0x80/0x80
[  400.224605]  call_timer_fn+0x272/0x920
[  400.228495]  ? br_mdb_free+0x80/0x80
[  400.232257]  ? process_timeout+0x40/0x40
[  400.236329]  ? __run_timers+0x7da/0xc70
[  400.240308]  ? _raw_spin_unlock_irq+0x27/0x80
[  400.244802]  ? _raw_spin_unlock_irq+0x27/0x80
[  400.249290]  ? br_mdb_free+0x80/0x80
[  400.252996]  ? lockdep_hardirqs_on+0x296/0x5b0
[  400.257577]  ? trace_hardirqs_on+0xbd/0x310
[  400.261918]  ? kasan_check_read+0x11/0x20
[  400.266057]  ? __run_timers+0x7da/0xc70
[  400.270046]  ? trace_hardirqs_off_caller+0x310/0x310
[  400.275167]  ? br_mdb_free+0x80/0x80
[  400.278938]  ? br_mdb_free+0x80/0x80
[  400.282642]  __run_timers+0x7e5/0xc70
[  400.286447]  ? timer_fixup_init+0x70/0x70
[  400.290622]  ? _raw_spin_unlock_irq+0x27/0x80
[  400.295110]  ? _raw_spin_unlock_irq+0x27/0x80
[  400.299616]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  400.304194]  ? trace_hardirqs_on+0xbd/0x310
[  400.308560]  ? kasan_check_read+0x11/0x20
[  400.312709]  ? finish_task_switch+0x1f4/0x910
[  400.317206]  ? trace_hardirqs_off_caller+0x310/0x310
[  400.322305]  ? compat_start_thread+0x80/0x80
[  400.326736]  ? pvclock_read_flags+0x160/0x160
[  400.331233]  ? __switch_to_asm+0x34/0x70
[  400.335292]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.340831]  ? check_preemption_disabled+0x48/0x280
[  400.345856]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  400.351392]  ? rcu_pm_notify+0xc0/0xc0
[  400.355288]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.360847]  ? check_preemption_disabled+0x48/0x280
[  400.365866]  run_timer_softirq+0x52/0xb0
[  400.369927]  ? rcu_read_lock_sched_held+0x14f/0x180
[  400.374942]  __do_softirq+0x308/0xb7e
[  400.378747]  ? trace_hardirqs_on_caller+0xc0/0x310
[  400.383703]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  400.388809]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  400.394261]  ? schedule+0x108/0x460
[  400.397901]  ? trace_hardirqs_off+0xb8/0x310
[  400.402322]  ? smpboot_thread_fn+0x68b/0xa00
[  400.406754]  ? trace_hardirqs_on+0x310/0x310
[  400.411163]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  400.416710]  ? check_preemption_disabled+0x48/0x280
[  400.421726]  ? takeover_tasklets+0xa90/0xa90
[  400.426131]  run_ksoftirqd+0x5e/0x100
[  400.429929]  smpboot_thread_fn+0x68b/0xa00
[  400.434177]  ? sort_range+0x30/0x30
[  400.437810]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  400.442937]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  400.448468]  ? __kthread_parkme+0xfb/0x1a0
[  400.452704]  ? sort_range+0x30/0x30
[  400.456365]  kthread+0x35a/0x440
[  400.459731]  ? kthread_stop+0x900/0x900
[  400.463701]  ret_from_fork+0x3a/0x50
[  400.467431] CPU: 1 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  400.467436] warn_alloc_show_mem: 1 callbacks suppressed
[  400.467456] Mem-Info:
[  400.474389] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  400.479765] active_anon:44321 inactive_anon:2061 isolated_anon:0
[  400.479765]  active_file:14 inactive_file:14 isolated_file:0
[  400.479765]  unevictable:0 dirty:0 writeback:0 unstable:0
[  400.479765]  slab_reclaimable:9437 slab_unreclaimable:1460937
[  400.479765]  mapped:49154 shmem:2105 pagetables:642 bounce:0
[  400.479765]  free:13638 free_pcp:328 free_cma:0
[  400.482135] Call Trace:
[  400.491518] Node 0 active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8420kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  400.524548]  <IRQ>
[  400.527146] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  400.554717]  dump_stack+0x244/0x39d
[  400.556833] lowmem_reserve[]: 0 2818 6321 6321
[  400.582953]  ? dump_stack_print_info.cold.1+0x20/0x20
[  400.586570] Node 0 DMA32 free:24708kB 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
[  400.591181]  warn_alloc.cold.116+0xb7/0x1bd
[  400.596348] lowmem_reserve[]: 0 0 3503 3503
[  400.623985]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  400.628290] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2568kB bounce:0kB free_pcp:1064kB local_pcp:692kB free_cma:0kB
[  400.632617]  ? lock_downgrade+0x900/0x900
[  400.637448] lowmem_reserve[]: 0 0 0 0
[  400.666499]  ? trace_hardirqs_off+0xb8/0x310
[  400.670615] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  400.674400]  ? trace_hardirqs_off+0xb8/0x310
[  400.678778] Node 0 DMA32: 5*4kB (UM) 2*8kB (MH) 2*16kB (MH) 4*32kB (MH) 3*64kB (M) 2*128kB (M) 4*256kB (UMH) 3*512kB (UM) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24708kB
[  400.692296]  __alloc_pages_slowpath+0x26e8/0x2e10
[  400.696671] Node 0 Normal: 930*4kB (MEH) 535*8kB (UMEH) 215*16kB (UME) 80*32kB (UMH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  400.712191]  ? warn_alloc+0x120/0x120
[  400.716997] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  400.730763]  ? warn_alloc+0x120/0x120
[  400.734557] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  400.743372]  ? warn_alloc+0x120/0x120
[  400.747173] 2133 total pagecache pages
[  400.756193]  ? print_usage_bug+0xc0/0xc0
[  400.759974] 0 pages in swap cache
[  400.763875]  ? print_usage_bug+0xc0/0xc0
[  400.767939] Swap cache stats: add 0, delete 0, find 0/0
[  400.771382]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  400.775414] Free swap  = 0kB
[  400.780766]  ? should_fail+0x22d/0xd01
[  400.786279] Total swap = 0kB
[  400.786286] 1965979 pages RAM
[  400.789300]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  400.793163] 0 pages HighMem/MovableOnly
[  400.796169]  ? __lock_acquire+0x62f/0x4c20
[  400.799241] 342853 pages reserved
[  400.799248] 0 pages cma reserved
[  400.804338]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  400.808739] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  400.812559]  ? should_fail+0x22d/0xd01
[  400.815986] ksoftirqd/0 cpuset=/ mems_allowed=0
[  400.819395]  ? mark_held_locks+0x130/0x130
[  400.847604]  ? mark_held_locks+0x130/0x130
[  400.851858]  ? print_usage_bug+0xc0/0xc0
[  400.855930]  ? find_held_lock+0x36/0x1c0
[  400.859984]  ? zap_class+0x640/0x640
[  400.863693]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.869244]  ? check_preemption_disabled+0x48/0x280
[  400.874286]  ? __lock_is_held+0xb5/0x140
[  400.878345]  __alloc_pages_nodemask+0xa80/0xde0
[  400.883023]  ? zap_class+0x640/0x640
[  400.886754]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  400.891786]  ? find_held_lock+0x36/0x1c0
[  400.895877]  ? ____cache_alloc_node+0x1c7/0x1e0
[  400.900552]  ? lock_downgrade+0x900/0x900
[  400.904707]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.910250]  cache_grow_begin+0xa5/0x8c0
[  400.914315]  ? do_raw_spin_unlock+0xa7/0x330
[  400.918728]  fallback_alloc+0x204/0x2e0
[  400.922705]  ____cache_alloc_node+0x1c7/0x1e0
[  400.927206]  kmem_cache_alloc_node+0xe3/0x730
[  400.931706]  ? mark_held_locks+0xc7/0x130
[  400.935863]  __alloc_skb+0x119/0x770
[  400.939579]  ? netdev_alloc_frag+0x1f0/0x1f0
[  400.944005]  ? do_raw_spin_trylock+0x270/0x270
[  400.948606]  ? kmem_cache_alloc_trace+0x353/0x750
[  400.953450]  ? queue_work_on+0x12c/0x1e0
[  400.957523]  ? switchdev_port_obj_del+0xdc/0x440
[  400.962300]  ? switchdev_trans_item_enqueue+0x260/0x260
[  400.967661]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  400.972683]  __br_mdb_notify+0x4ff/0x15d0
[  400.976865]  ? __br_mdb_add+0x7f0/0x7f0
[  400.980844]  ? zap_class+0x640/0x640
[  400.984560]  ? br_multicast_group_expired+0x96/0x610
[  400.989665]  br_mdb_notify+0x310/0x410
[  400.993545]  ? br_mdb_dump+0x27b0/0x27b0
[  400.997607]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.003165]  br_multicast_group_expired+0x1bc/0x610
[  401.008195]  ? br_mdb_free+0x80/0x80
[  401.011911]  call_timer_fn+0x272/0x920
[  401.015791]  ? br_mdb_free+0x80/0x80
[  401.019501]  ? process_timeout+0x40/0x40
[  401.023575]  ? mark_held_locks+0xc7/0x130
[  401.027716]  ? _raw_spin_unlock_irq+0x27/0x80
[  401.032205]  ? _raw_spin_unlock_irq+0x27/0x80
[  401.036692]  ? br_mdb_free+0x80/0x80
[  401.040401]  ? lockdep_hardirqs_on+0x296/0x5b0
[  401.044977]  ? trace_hardirqs_on+0xbd/0x310
[  401.049295]  ? kasan_check_read+0x11/0x20
[  401.053444]  ? __run_timers+0x7da/0xc70
[  401.057411]  ? trace_hardirqs_off_caller+0x310/0x310
[  401.062518]  ? br_multicast_del_pg+0x790/0x790
[  401.067098]  ? br_mdb_free+0x80/0x80
[  401.070803]  __run_timers+0x7e5/0xc70
[  401.074624]  ? timer_fixup_init+0x70/0x70
[  401.078796]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  401.083857]  ? zap_class+0x640/0x640
[  401.087588]  ? print_usage_bug+0xc0/0xc0
[  401.091668]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  401.096857]  ? find_held_lock+0x36/0x1c0
[  401.101025]  ? zap_class+0x640/0x640
[  401.104739]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.110296]  ? check_preemption_disabled+0x48/0x280
[  401.115355]  ? __lock_is_held+0xb5/0x140
[  401.119413]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.124960]  ? check_preemption_disabled+0x48/0x280
[  401.130027]  run_timer_softirq+0x52/0xb0
[  401.134105]  ? rcu_read_lock_sched_held+0x14f/0x180
[  401.139118]  __do_softirq+0x308/0xb7e
[  401.142920]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  401.147413]  ? lock_downgrade+0x900/0x900
[  401.151563]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  401.156672]  ? pvclock_read_flags+0x160/0x160
[  401.161175]  ? lapic_next_event+0x5a/0x90
[  401.165341]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.170883]  ? kvm_clock_read+0x18/0x30
[  401.174852]  ? kvm_sched_clock_read+0x9/0x20
[  401.179279]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.184811]  ? check_preemption_disabled+0x48/0x280
[  401.189885]  irq_exit+0x17f/0x1c0
[  401.193343]  smp_apic_timer_interrupt+0x1cb/0x760
[  401.198188]  ? smp_reschedule_interrupt+0x109/0x650
[  401.203201]  ? smp_call_function_single_interrupt+0x650/0x650
[  401.209085]  ? interrupt_entry+0xb5/0xc0
[  401.213206]  ? trace_hardirqs_off_caller+0xbb/0x310
[  401.218264]  ? trace_hardirqs_off_caller+0xbb/0x310
[  401.223290]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  401.228141]  ? trace_hardirqs_on_caller+0x310/0x310
[  401.233170]  ? trace_hardirqs_on_caller+0x310/0x310
[  401.238215]  ? task_prio+0x50/0x50
[  401.241754]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.247296]  ? check_preemption_disabled+0x48/0x280
[  401.252321]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  401.257168]  apic_timer_interrupt+0xf/0x20
[  401.261395]  </IRQ>
[  401.263633] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  401.268820] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec
[  401.287720] RSP: 0018:ffff8801c2d36100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  401.295424] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100385b2de6
[  401.302684] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c2d96ebc
[  401.309975] RBP: ffff8801c2d36128 R08: ffff8801c2d96f30 R09: 0000000000000006
[  401.317234] R10: 0000000000000000 R11: ffff8801c2d96640 R12: dffffc0000000000
[  401.324526] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  401.331844]  retint_kernel+0x1b/0x2d
[  401.335551] RIP: 0010:dump_stack+0x358/0x39d
[  401.339982] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  401.358891] RSP: 0018:ffff8801c2d361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  401.366604] RAX: ffff8801c2d96640 RBX: 1ffffffff12a3f76 RCX: 1ffff100385b2de6
[  401.373887] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  401.381157] RBP: ffff8801c2d36290 R08: ffff8801c2d96f30 R09: 0000000000000006
[  401.388421] R10: 0000000000000000 R11: ffff8801c2d96640 R12: 1ffff100385a6c45
[  401.395686] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  401.402992]  ? dump_stack+0x34f/0x39d
[  401.406801]  ? dump_stack_print_info.cold.1+0x20/0x20
[  401.412006]  ? mark_held_locks+0x130/0x130
[  401.416252]  ? mark_held_locks+0x130/0x130
[  401.420493]  dump_header+0x27b/0xf72
[  401.424240]  ? pagefault_out_of_memory+0x197/0x197
[  401.429216]  ? __lock_acquire+0x62f/0x4c20
[  401.433463]  ? percpu_ref_get_many+0x240/0x240
[  401.438048]  ? print_usage_bug+0xc0/0xc0
[  401.442128]  ? zap_class+0x640/0x640
[  401.445838]  ? print_usage_bug+0xc0/0xc0
[  401.449905]  ? print_usage_bug+0xc0/0xc0
[  401.453959]  ? zap_class+0x640/0x640
[  401.457686]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.463231]  ? find_held_lock+0x36/0x1c0
[  401.467299]  ? mark_held_locks+0xc7/0x130
[  401.471446]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  401.476575]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  401.481675]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  401.486255]  ? trace_hardirqs_on+0xbd/0x310
[  401.490604]  ? kasan_check_read+0x11/0x20
[  401.494770]  ? ___ratelimit+0x3b4/0x672
[  401.498746]  ? trace_hardirqs_off_caller+0x310/0x310
[  401.503871]  ? trace_hardirqs_on+0x310/0x310
[  401.508284]  ? lock_downgrade+0x900/0x900
[  401.512441]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  401.517549]  ? ___ratelimit+0x3b9/0x672
[  401.521531]  ? idr_get_free+0xf70/0xf70
[  401.525506]  ? find_held_lock+0x36/0x1c0
[  401.529590]  oom_kill_process.cold.27+0x10/0x903
[  401.534365]  ? zap_class+0x640/0x640
[  401.538083]  ? check_preemption_disabled+0x48/0x280
[  401.543110]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  401.548055]  ? kasan_check_read+0x11/0x20
[  401.552212]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  401.557489]  ? oom_evaluate_task+0x540/0x540
[  401.561907]  ? find_held_lock+0x36/0x1c0
[  401.565975]  ? out_of_memory+0x974/0x1430
[  401.570140]  ? lock_downgrade+0x900/0x900
[  401.574301]  ? check_preemption_disabled+0x48/0x280
[  401.579323]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  401.584266]  ? kasan_check_read+0x11/0x20
[  401.588422]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  401.593698]  ? rcu_softirq_qs+0x20/0x20
[  401.597680]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  401.603215]  ? oom_evaluate_task+0x302/0x540
[  401.607628]  out_of_memory+0xa84/0x1430
[  401.611609]  ? oom_killer_disable+0x3a0/0x3a0
[  401.616103]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  401.621033]  ? __ww_mutex_check_waiters+0x160/0x160
[  401.626073]  __alloc_pages_slowpath+0x2354/0x2e10
[  401.630945]  ? warn_alloc+0x120/0x120
[  401.634743]  ? mark_held_locks+0x130/0x130
[  401.638988]  ? find_get_entry+0xaae/0x1120
[  401.643236]  ? filemap_map_pages+0x1a20/0x1a20
[  401.647823]  ? zap_class+0x640/0x640
[  401.651547]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.657101]  ? check_preemption_disabled+0x48/0x280
[  401.662155]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  401.667700]  ? should_fail+0x22d/0xd01
[  401.671639]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  401.676772]  ? zap_class+0x640/0x640
[  401.680503]  ? __lock_is_held+0xb5/0x140
[  401.684585]  ? mark_held_locks+0x130/0x130
[  401.688829]  ? lock_release+0xa00/0xa00
[  401.692798]  ? perf_trace_sched_process_exec+0x860/0x860
[  401.698246]  ? xa_load+0x2ba/0x460
[  401.701791]  ? lock_downgrade+0x900/0x900
[  401.706009]  ? __might_sleep+0x95/0x190
[  401.710026]  __alloc_pages_nodemask+0xa80/0xde0
[  401.714696]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  401.719725]  ? __page_cache_alloc+0x191/0x5c0
[  401.724245]  ? xa_load+0x2e1/0x460
[  401.727776]  ? xa_clear_mark+0x40/0x40
[  401.731674]  ? zap_class+0x640/0x640
[  401.735389]  ? zap_class+0x640/0x640
[  401.739106]  ? zap_class+0x640/0x640
[  401.742836]  ? __do_page_cache_readahead+0x663/0x810
[  401.747939]  ? find_held_lock+0x36/0x1c0
[  401.752003]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  401.757561]  alloc_pages_current+0x173/0x350
[  401.761971]  __page_cache_alloc+0x38c/0x5c0
[  401.766302]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  401.771221]  ? kasan_check_read+0x11/0x20
[  401.775357]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  401.780628]  ? generic_perform_write+0x6a0/0x6a0
[  401.785375]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  401.790910]  ? check_preemption_disabled+0x48/0x280
[  401.795961]  filemap_fault+0x1595/0x25f0
[  401.800026]  ? __lock_page_or_retry+0xa00/0xa00
[  401.804777]  ? mark_held_locks+0x130/0x130
[  401.809017]  ? filemap_map_pages+0xd6b/0x1a20
[  401.813505]  ? lock_downgrade+0x900/0x900
[  401.817655]  ? check_preemption_disabled+0x48/0x280
[  401.822671]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  401.827605]  ? kasan_check_read+0x11/0x20
[  401.831747]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  401.837032]  ? rcu_softirq_qs+0x20/0x20
[  401.841060]  ? filemap_map_pages+0xd92/0x1a20
[  401.845580]  ? find_get_entries_tag+0x1400/0x1400
[  401.850428]  ? find_held_lock+0x36/0x1c0
[  401.854523]  ? lock_acquire+0x1ed/0x520
[  401.858525]  ? ext4_filemap_fault+0x7a/0xad
[  401.862841]  ? lock_release+0xa00/0xa00
[  401.866804]  ? perf_trace_sched_process_exec+0x860/0x860
[  401.872247]  ? print_usage_bug+0xc0/0xc0
[  401.876358]  ? down_read+0x8d/0x120
[  401.879975]  ? ext4_filemap_fault+0x7a/0xad
[  401.884321]  ? __down_interruptible+0x700/0x700
[  401.889029]  ? find_held_lock+0x36/0x1c0
[  401.893090]  ext4_filemap_fault+0x82/0xad
[  401.897246]  __do_fault+0x100/0x6b0
[  401.900873]  ? lock_downgrade+0x900/0x900
[  401.905032]  ? pmd_devmap_trans_unstable+0x220/0x220
[  401.910132]  ? kasan_check_read+0x11/0x20
[  401.914280]  ? do_raw_spin_unlock+0xa7/0x330
[  401.918710]  ? do_raw_spin_trylock+0x270/0x270
[  401.923302]  __handle_mm_fault+0x3ea0/0x5be0
[  401.927701]  ? perf_trace_lock+0x7a0/0x7a0
[  401.931938]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  401.936792]  ? zap_class+0x640/0x640
[  401.940498]  ? zap_class+0x640/0x640
[  401.944229]  ? __x64_sys_futex+0x53e/0x6a0
[  401.948460]  ? find_held_lock+0x36/0x1c0
[  401.952527]  ? handle_mm_fault+0x42a/0xc70
[  401.956755]  ? lock_downgrade+0x900/0x900
[  401.960938]  ? check_preemption_disabled+0x48/0x280
[  401.965953]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  401.970875]  ? kasan_check_read+0x11/0x20
[  401.975031]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  401.980311]  ? rcu_softirq_qs+0x20/0x20
[  401.984279]  ? trace_hardirqs_off_caller+0x310/0x310
[  401.989393]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  401.994924]  ? check_preemption_disabled+0x48/0x280
[  401.999943]  handle_mm_fault+0x54f/0xc70
[  402.004003]  ? __handle_mm_fault+0x5be0/0x5be0
[  402.008582]  ? find_vma+0x34/0x190
[  402.012129]  __do_page_fault+0x5e8/0xe60
[  402.016211]  ? trace_hardirqs_off+0xb8/0x310
[  402.020610]  ? kernel_write+0x120/0x120
[  402.024610]  do_page_fault+0xf2/0x7e0
[  402.028400]  ? vmalloc_sync_all+0x30/0x30
[  402.032543]  ? error_entry+0x70/0xd0
[  402.036266]  ? trace_hardirqs_off_caller+0xbb/0x310
[  402.041309]  ? trace_hardirqs_on_caller+0xc0/0x310
[  402.046230]  ? syscall_return_slowpath+0x5e0/0x5e0
[  402.051160]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  402.055991]  ? trace_hardirqs_on_caller+0x310/0x310
[  402.060999]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  402.066445]  ? prepare_exit_to_usermode+0x291/0x3b0
[  402.071448]  ? page_fault+0x8/0x30
[  402.074983]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  402.079858]  ? page_fault+0x8/0x30
[  402.083400]  page_fault+0x1e/0x30
[  402.086859] RIP: 0033:0x404068
[  402.090051] Code: Bad RIP value.
[  402.093415] RSP: 002b:000000c420024e48 EFLAGS: 00010206
[  402.098790] RAX: 000000c422dd4cc0 RBX: 000000c42875f801 RCX: 000000c424d31838
[  402.106064] RDX: 000000c422dd4cc0 RSI: 0000000000000001 RDI: 0000000000000001
[  402.113320] RBP: 000000c420024ed8 R08: 00007ffd3a9b40b0 R09: 00007ffd3a9b4080
[  402.120609] R10: 000000000000eacc R11: 0000000000000165 R12: 0000000000000001
[  402.127912] R13: 000000c4271c3620 R14: 0000000000000001 R15: 0000000000000000
[  402.135188] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #83
[  402.135362] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  402.141971] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  402.152181] syz-fuzzer cpuset=/ mems_allowed=0
[  402.161532] Call Trace:
[  402.161548]  dump_stack+0x244/0x39d
[  402.172283]  ? dump_stack_print_info.cold.1+0x20/0x20
[  402.177477]  warn_alloc.cold.116+0xb7/0x1bd
[  402.181800]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  402.186661]  ? lock_downgrade+0x900/0x900
[  402.190811]  ? trace_hardirqs_off+0xb8/0x310
[  402.195226]  ? trace_hardirqs_off+0xb8/0x310
[  402.199638]  __alloc_pages_slowpath+0x26e8/0x2e10
[  402.204527]  ? warn_alloc+0x120/0x120
[  402.208329]  ? warn_alloc+0x120/0x120
[  402.212133]  ? warn_alloc+0x120/0x120
[  402.215929]  ? print_usage_bug+0xc0/0xc0
[  402.220003]  ? check_preemption_disabled+0x48/0x280
[  402.225031]  ? print_usage_bug+0xc0/0xc0
[  402.229110]  ? kasan_check_read+0x11/0x20
[  402.233271]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  402.238545]  ? rcu_softirq_qs+0x20/0x20
[  402.242523]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  402.248057]  ? should_fail+0x22d/0xd01
[  402.251948]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  402.257075]  ? __lock_acquire+0x62f/0x4c20
[  402.261310]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  402.266427]  ? __lock_acquire+0x62f/0x4c20
[  402.270654]  ? should_fail+0x22d/0xd01
[  402.274564]  ? mark_held_locks+0x130/0x130
[  402.278802]  ? mark_held_locks+0x130/0x130
[  402.283031]  ? lock_downgrade+0x900/0x900
[  402.287213]  ? zap_class+0x640/0x640
[  402.290931]  ? print_usage_bug+0xc0/0xc0
[  402.294996]  ? trace_hardirqs_off+0xb8/0x310
[  402.299396]  ? kasan_check_read+0x11/0x20
[  402.303541]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.309070]  ? check_preemption_disabled+0x48/0x280
[  402.314105]  ? __lock_is_held+0xb5/0x140
[  402.318203]  __alloc_pages_nodemask+0xa80/0xde0
[  402.322895]  ? zap_class+0x640/0x640
[  402.326609]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  402.331631]  ? find_held_lock+0x36/0x1c0
[  402.335692]  ? ____cache_alloc_node+0x1c7/0x1e0
[  402.340354]  ? lock_downgrade+0x900/0x900
[  402.344523]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.350062]  cache_grow_begin+0xa5/0x8c0
[  402.354146]  ? do_raw_spin_unlock+0xa7/0x330
[  402.358655]  fallback_alloc+0x204/0x2e0
[  402.362638]  ____cache_alloc_node+0x1c7/0x1e0
[  402.367136]  kmem_cache_alloc_node+0xe3/0x730
[  402.371679]  ? ipv6_get_ifaddr+0x42e/0x620
[  402.375915]  __alloc_skb+0x119/0x770
[  402.379623]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  402.384896]  ? netdev_alloc_frag+0x1f0/0x1f0
[  402.389295]  ? lock_downgrade+0x900/0x900
[  402.393445]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.399035]  ? refcount_sub_and_test_checked+0x203/0x310
[  402.404486]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  402.409957]  ? addrconf_rs_timer+0x690/0x690
[  402.414422]  ndisc_alloc_skb+0x144/0x340
[  402.418484]  ndisc_send_rs+0x331/0x6e0
[  402.422377]  addrconf_rs_timer+0x314/0x690
[  402.426613]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.430868]  call_timer_fn+0x272/0x920
[  402.434764]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.438996]  ? process_timeout+0x40/0x40
[  402.443091]  ? __run_timers+0x7da/0xc70
[  402.447079]  ? _raw_spin_unlock_irq+0x27/0x80
[  402.451567]  ? _raw_spin_unlock_irq+0x27/0x80
[  402.456074]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.460299]  ? lockdep_hardirqs_on+0x296/0x5b0
[  402.464873]  ? trace_hardirqs_on+0xbd/0x310
[  402.469188]  ? kasan_check_read+0x11/0x20
[  402.473323]  ? __run_timers+0x7da/0xc70
[  402.477289]  ? trace_hardirqs_off_caller+0x310/0x310
[  402.482396]  ? __queue_work+0x1440/0x1440
[  402.486546]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.490780]  __run_timers+0x7e5/0xc70
[  402.494583]  ? timer_fixup_init+0x70/0x70
[  402.498740]  ? _raw_spin_unlock_irq+0x27/0x80
[  402.503226]  ? _raw_spin_unlock_irq+0x27/0x80
[  402.507721]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  402.512296]  ? trace_hardirqs_on+0xbd/0x310
[  402.516612]  ? kasan_check_read+0x11/0x20
[  402.520768]  ? finish_task_switch+0x1f4/0x910
[  402.525298]  ? trace_hardirqs_off_caller+0x310/0x310
[  402.530393]  ? compat_start_thread+0x80/0x80
[  402.534812]  ? pvclock_read_flags+0x160/0x160
[  402.539309]  ? __switch_to_asm+0x34/0x70
[  402.543364]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.548892]  ? check_preemption_disabled+0x48/0x280
[  402.553904]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  402.559432]  ? rcu_pm_notify+0xc0/0xc0
[  402.563308]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.568848]  ? check_preemption_disabled+0x48/0x280
[  402.573859]  run_timer_softirq+0x52/0xb0
[  402.577930]  ? rcu_read_lock_sched_held+0x14f/0x180
[  402.582941]  __do_softirq+0x308/0xb7e
[  402.586736]  ? trace_hardirqs_on_caller+0xc0/0x310
[  402.591660]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  402.596757]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  402.602234]  ? schedule+0x108/0x460
[  402.605874]  ? trace_hardirqs_off+0xb8/0x310
[  402.610275]  ? smpboot_thread_fn+0x68b/0xa00
[  402.614677]  ? trace_hardirqs_on+0x310/0x310
[  402.619081]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  402.624896]  ? check_preemption_disabled+0x48/0x280
[  402.629922]  ? takeover_tasklets+0xa90/0xa90
[  402.634353]  run_ksoftirqd+0x5e/0x100
[  402.638143]  smpboot_thread_fn+0x68b/0xa00
[  402.642402]  ? sort_range+0x30/0x30
[  402.646050]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  402.651169]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  402.656716]  ? __kthread_parkme+0xfb/0x1a0
[  402.660944]  ? sort_range+0x30/0x30
[  402.664571]  kthread+0x35a/0x440
[  402.667934]  ? kthread_stop+0x900/0x900
[  402.671906]  ret_from_fork+0x3a/0x50
[  402.675632] CPU: 1 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  402.675636] warn_alloc_show_mem: 1 callbacks suppressed
[  402.675642] Mem-Info:
[  402.682575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  402.687930] active_anon:44321 inactive_anon:2061 isolated_anon:0
[  402.687930]  active_file:14 inactive_file:14 isolated_file:0
[  402.687930]  unevictable:0 dirty:0 writeback:0 unstable:0
[  402.687930]  slab_reclaimable:9437 slab_unreclaimable:1460937
[  402.687930]  mapped:49154 shmem:2105 pagetables:642 bounce:0
[  402.687930]  free:13638 free_pcp:328 free_cma:0
[  402.690338] Call Trace:
[  402.699711] Node 0 active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8420kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  402.732723]  <IRQ>
[  402.735281] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  402.763336]  dump_stack+0x244/0x39d
[  402.765497] lowmem_reserve[]: 0 2818 6321 6321
[  402.791702]  ? dump_stack_print_info.cold.1+0x20/0x20
[  402.795309] Node 0 DMA32 free:24708kB 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
[  402.799881]  warn_alloc.cold.116+0xb7/0x1bd
[  402.805034] lowmem_reserve[]: 0 0 3503 3503
[  402.832524]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  402.836816] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2568kB bounce:0kB free_pcp:1064kB local_pcp:692kB free_cma:0kB
[  402.841147]  ? lock_downgrade+0x900/0x900
[  402.845968] lowmem_reserve[]: 0 0 0 0
[  402.875027]  ? trace_hardirqs_off+0xb8/0x310
[  402.879156] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  402.882956]  ? trace_hardirqs_off+0xb8/0x310
[  402.887362] Node 0 DMA32: 5*4kB (UM) 2*8kB (MH) 2*16kB (MH) 4*32kB (MH) 3*64kB (M) 2*128kB (M) 4*256kB (UMH) 3*512kB (UM) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24708kB
[  402.900896]  __alloc_pages_slowpath+0x26e8/0x2e10
[  402.905270] Node 0 Normal: 930*4kB (MEH) 535*8kB (UMEH) 215*16kB (UME) 80*32kB (UMH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  402.920800]  ? warn_alloc+0x120/0x120
[  402.925605] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  402.939369]  ? warn_alloc+0x120/0x120
[  402.943186] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  402.952002]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  402.955772] 2133 total pagecache pages
[  402.964332]  ? warn_alloc+0x120/0x120
[  402.969338] 0 pages in swap cache
[  402.973209]  ? print_usage_bug+0xc0/0xc0
[  402.977012] Swap cache stats: add 0, delete 0, find 0/0
[  402.980448]  ? print_usage_bug+0xc0/0xc0
[  402.984480] Free swap  = 0kB
[  402.989830]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  402.993863] Total swap = 0kB
[  402.996880]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  403.002035] 1965979 pages RAM
[  403.005042]  ? should_fail+0x22d/0xd01
[  403.010548] 0 pages HighMem/MovableOnly
[  403.013638]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  403.017488] 342853 pages reserved
[  403.017495] 0 pages cma reserved
[  403.021459]  ? __lock_acquire+0x62f/0x4c20
[  403.026627] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  403.030006]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  403.033416] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  403.037574]  ? should_fail+0x22d/0xd01
[  403.044048] ksoftirqd/0 cpuset=/ mems_allowed=0
[  403.049142]  ? mark_held_locks+0x130/0x130
[  403.072159]  ? mark_held_locks+0x130/0x130
[  403.076384]  ? print_usage_bug+0xc0/0xc0
[  403.080440]  ? find_held_lock+0x36/0x1c0
[  403.084494]  ? zap_class+0x640/0x640
[  403.088224]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.093786]  ? check_preemption_disabled+0x48/0x280
[  403.098803]  ? __lock_is_held+0xb5/0x140
[  403.102879]  __alloc_pages_nodemask+0xa80/0xde0
[  403.107571]  ? zap_class+0x640/0x640
[  403.111284]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  403.116304]  ? find_held_lock+0x36/0x1c0
[  403.120377]  ? ____cache_alloc_node+0x1c7/0x1e0
[  403.125036]  ? lock_downgrade+0x900/0x900
[  403.129242]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.134791]  cache_grow_begin+0xa5/0x8c0
[  403.138910]  ? do_raw_spin_unlock+0xa7/0x330
[  403.143326]  fallback_alloc+0x204/0x2e0
[  403.147300]  ____cache_alloc_node+0x1c7/0x1e0
[  403.151824]  kmem_cache_alloc_node+0xe3/0x730
[  403.156313]  ? mark_held_locks+0xc7/0x130
[  403.160463]  __alloc_skb+0x119/0x770
[  403.164177]  ? netdev_alloc_frag+0x1f0/0x1f0
[  403.168576]  ? do_raw_spin_trylock+0x270/0x270
[  403.173154]  ? kmem_cache_alloc_trace+0x353/0x750
[  403.178056]  ? queue_work_on+0x12c/0x1e0
[  403.182144]  ? switchdev_port_obj_del+0xdc/0x440
[  403.186932]  ? switchdev_trans_item_enqueue+0x260/0x260
[  403.192341]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  403.197351]  __br_mdb_notify+0x4ff/0x15d0
[  403.201540]  ? __br_mdb_add+0x7f0/0x7f0
[  403.205542]  ? zap_class+0x640/0x640
[  403.209261]  ? br_multicast_group_expired+0x96/0x610
[  403.214393]  ? lock_downgrade+0x900/0x900
[  403.218543]  br_mdb_notify+0x310/0x410
[  403.222432]  ? br_mdb_dump+0x27b0/0x27b0
[  403.226488]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.232038]  br_multicast_group_expired+0x1bc/0x610
[  403.237056]  ? br_mdb_free+0x80/0x80
[  403.240772]  call_timer_fn+0x272/0x920
[  403.244650]  ? br_mdb_free+0x80/0x80
[  403.248355]  ? process_timeout+0x40/0x40
[  403.252415]  ? mark_held_locks+0xc7/0x130
[  403.256560]  ? _raw_spin_unlock_irq+0x27/0x80
[  403.261047]  ? _raw_spin_unlock_irq+0x27/0x80
[  403.265540]  ? br_mdb_free+0x80/0x80
[  403.269281]  ? lockdep_hardirqs_on+0x296/0x5b0
[  403.273860]  ? trace_hardirqs_on+0xbd/0x310
[  403.278183]  ? kasan_check_read+0x11/0x20
[  403.282327]  ? __run_timers+0x7da/0xc70
[  403.286300]  ? trace_hardirqs_off_caller+0x310/0x310
[  403.291403]  ? br_mdb_free+0x80/0x80
[  403.295118]  ? br_mdb_free+0x80/0x80
[  403.298822]  __run_timers+0x7e5/0xc70
[  403.302625]  ? timer_fixup_init+0x70/0x70
[  403.306798]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  403.311843]  ? zap_class+0x640/0x640
[  403.315570]  ? print_usage_bug+0xc0/0xc0
[  403.319630]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  403.324821]  ? find_held_lock+0x36/0x1c0
[  403.328911]  ? zap_class+0x640/0x640
[  403.332647]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.338181]  ? check_preemption_disabled+0x48/0x280
[  403.343233]  ? __lock_is_held+0xb5/0x140
[  403.347312]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.352859]  ? check_preemption_disabled+0x48/0x280
[  403.357872]  run_timer_softirq+0x52/0xb0
[  403.361933]  ? rcu_read_lock_sched_held+0x14f/0x180
[  403.366946]  __do_softirq+0x308/0xb7e
[  403.370759]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  403.375249]  ? lock_downgrade+0x900/0x900
[  403.379400]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  403.384503]  ? pvclock_read_flags+0x160/0x160
[  403.389041]  ? lapic_next_event+0x5a/0x90
[  403.393217]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.398750]  ? kvm_clock_read+0x18/0x30
[  403.402726]  ? kvm_sched_clock_read+0x9/0x20
[  403.407135]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.412670]  ? check_preemption_disabled+0x48/0x280
[  403.417691]  irq_exit+0x17f/0x1c0
[  403.421160]  smp_apic_timer_interrupt+0x1cb/0x760
[  403.426001]  ? smp_reschedule_interrupt+0x109/0x650
[  403.431014]  ? smp_call_function_single_interrupt+0x650/0x650
[  403.436917]  ? interrupt_entry+0xb5/0xc0
[  403.440990]  ? trace_hardirqs_off_caller+0xbb/0x310
[  403.446034]  ? trace_hardirqs_off_caller+0xbb/0x310
[  403.451046]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  403.455887]  ? trace_hardirqs_on_caller+0x310/0x310
[  403.460897]  ? trace_hardirqs_on_caller+0x310/0x310
[  403.465913]  ? task_prio+0x50/0x50
[  403.469463]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.475014]  ? check_preemption_disabled+0x48/0x280
[  403.480035]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  403.484883]  apic_timer_interrupt+0xf/0x20
[  403.489107]  </IRQ>
[  403.491354] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  403.496567] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec
[  403.515459] RSP: 0018:ffff8801c2d36100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  403.523162] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100385b2de6
[  403.530422] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c2d96ebc
[  403.537696] RBP: ffff8801c2d36128 R08: ffff8801c2d96f30 R09: 0000000000000006
[  403.544971] R10: 0000000000000000 R11: ffff8801c2d96640 R12: dffffc0000000000
[  403.552243] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  403.559571]  retint_kernel+0x1b/0x2d
[  403.563283] RIP: 0010:dump_stack+0x358/0x39d
[  403.567683] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  403.586605] RSP: 0018:ffff8801c2d361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  403.594314] RAX: ffff8801c2d96640 RBX: 1ffffffff12a3f76 RCX: 1ffff100385b2de6
[  403.601576] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  403.608848] RBP: ffff8801c2d36290 R08: ffff8801c2d96f30 R09: 0000000000000006
[  403.616104] R10: 0000000000000000 R11: ffff8801c2d96640 R12: 1ffff100385a6c45
[  403.623381] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  403.630655]  ? dump_stack+0x34f/0x39d
[  403.634460]  ? dump_stack_print_info.cold.1+0x20/0x20
[  403.639648]  ? mark_held_locks+0x130/0x130
[  403.643877]  ? mark_held_locks+0x130/0x130
[  403.648121]  dump_header+0x27b/0xf72
[  403.651835]  ? pagefault_out_of_memory+0x197/0x197
[  403.656761]  ? __lock_acquire+0x62f/0x4c20
[  403.660992]  ? percpu_ref_get_many+0x240/0x240
[  403.665582]  ? print_usage_bug+0xc0/0xc0
[  403.669657]  ? zap_class+0x640/0x640
[  403.673375]  ? print_usage_bug+0xc0/0xc0
[  403.677433]  ? print_usage_bug+0xc0/0xc0
[  403.681485]  ? zap_class+0x640/0x640
[  403.685227]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.690757]  ? find_held_lock+0x36/0x1c0
[  403.694843]  ? mark_held_locks+0xc7/0x130
[  403.699011]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  403.704108]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  403.709207]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  403.713782]  ? trace_hardirqs_on+0xbd/0x310
[  403.718443]  ? kasan_check_read+0x11/0x20
[  403.722582]  ? ___ratelimit+0x3b4/0x672
[  403.726568]  ? trace_hardirqs_off_caller+0x310/0x310
[  403.731691]  ? trace_hardirqs_on+0x310/0x310
[  403.736102]  ? lock_downgrade+0x900/0x900
[  403.740245]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  403.745342]  ? ___ratelimit+0x3b9/0x672
[  403.749313]  ? idr_get_free+0xf70/0xf70
[  403.753288]  ? find_held_lock+0x36/0x1c0
[  403.757350]  oom_kill_process.cold.27+0x10/0x903
[  403.762099]  ? zap_class+0x640/0x640
[  403.765811]  ? check_preemption_disabled+0x48/0x280
[  403.770846]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  403.775771]  ? kasan_check_read+0x11/0x20
[  403.779925]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  403.785199]  ? oom_evaluate_task+0x540/0x540
[  403.789602]  ? find_held_lock+0x36/0x1c0
[  403.793666]  ? out_of_memory+0x974/0x1430
[  403.797827]  ? lock_downgrade+0x900/0x900
[  403.801982]  ? check_preemption_disabled+0x48/0x280
[  403.806992]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  403.811928]  ? kasan_check_read+0x11/0x20
[  403.816070]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  403.821373]  ? rcu_softirq_qs+0x20/0x20
[  403.825346]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  403.830873]  ? oom_evaluate_task+0x302/0x540
[  403.835314]  out_of_memory+0xa84/0x1430
[  403.839294]  ? oom_killer_disable+0x3a0/0x3a0
[  403.843785]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  403.848709]  ? __ww_mutex_check_waiters+0x160/0x160
[  403.853741]  __alloc_pages_slowpath+0x2354/0x2e10
[  403.858610]  ? warn_alloc+0x120/0x120
[  403.862414]  ? mark_held_locks+0x130/0x130
[  403.866644]  ? find_get_entry+0xaae/0x1120
[  403.870905]  ? filemap_map_pages+0x1a20/0x1a20
[  403.875551]  ? zap_class+0x640/0x640
[  403.879267]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.884800]  ? check_preemption_disabled+0x48/0x280
[  403.889842]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  403.895372]  ? should_fail+0x22d/0xd01
[  403.899254]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  403.904354]  ? zap_class+0x640/0x640
[  403.908113]  ? __lock_is_held+0xb5/0x140
[  403.912199]  ? mark_held_locks+0x130/0x130
[  403.916430]  ? lock_release+0xa00/0xa00
[  403.920402]  ? perf_trace_sched_process_exec+0x860/0x860
[  403.925869]  ? xa_load+0x2ba/0x460
[  403.929431]  ? lock_downgrade+0x900/0x900
[  403.933576]  ? __might_sleep+0x95/0x190
[  403.937588]  __alloc_pages_nodemask+0xa80/0xde0
[  403.942284]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  403.947300]  ? __page_cache_alloc+0x191/0x5c0
[  403.951787]  ? xa_load+0x2e1/0x460
[  403.955339]  ? xa_clear_mark+0x40/0x40
[  403.959235]  ? zap_class+0x640/0x640
[  403.962951]  ? zap_class+0x640/0x640
[  403.966659]  ? zap_class+0x640/0x640
[  403.970365]  ? __do_page_cache_readahead+0x663/0x810
[  403.975467]  ? find_held_lock+0x36/0x1c0
[  403.979531]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  403.985067]  alloc_pages_current+0x173/0x350
[  403.989492]  __page_cache_alloc+0x38c/0x5c0
[  403.993843]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  403.998765]  ? kasan_check_read+0x11/0x20
[  404.002906]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  404.008195]  ? generic_perform_write+0x6a0/0x6a0
[  404.012952]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.018495]  ? check_preemption_disabled+0x48/0x280
[  404.023538]  filemap_fault+0x1595/0x25f0
[  404.027620]  ? __lock_page_or_retry+0xa00/0xa00
[  404.032285]  ? mark_held_locks+0x130/0x130
[  404.036535]  ? filemap_map_pages+0xd6b/0x1a20
[  404.041044]  ? lock_downgrade+0x900/0x900
[  404.045185]  ? check_preemption_disabled+0x48/0x280
[  404.050194]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  404.055117]  ? kasan_check_read+0x11/0x20
[  404.059272]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  404.064546]  ? rcu_softirq_qs+0x20/0x20
[  404.068561]  ? filemap_map_pages+0xd92/0x1a20
[  404.073083]  ? find_get_entries_tag+0x1400/0x1400
[  404.077912]  ? find_held_lock+0x36/0x1c0
[  404.081999]  ? lock_acquire+0x1ed/0x520
[  404.085993]  ? ext4_filemap_fault+0x7a/0xad
[  404.090323]  ? lock_release+0xa00/0xa00
[  404.094287]  ? perf_trace_sched_process_exec+0x860/0x860
[  404.099728]  ? print_usage_bug+0xc0/0xc0
[  404.103791]  ? down_read+0x8d/0x120
[  404.107409]  ? ext4_filemap_fault+0x7a/0xad
[  404.111722]  ? __down_interruptible+0x700/0x700
[  404.116382]  ? find_held_lock+0x36/0x1c0
[  404.120467]  ext4_filemap_fault+0x82/0xad
[  404.124606]  __do_fault+0x100/0x6b0
[  404.128234]  ? lock_downgrade+0x900/0x900
[  404.132370]  ? pmd_devmap_trans_unstable+0x220/0x220
[  404.137467]  ? kasan_check_read+0x11/0x20
[  404.141648]  ? do_raw_spin_unlock+0xa7/0x330
[  404.146049]  ? do_raw_spin_trylock+0x270/0x270
[  404.150652]  __handle_mm_fault+0x3ea0/0x5be0
[  404.155099]  ? perf_trace_lock+0x7a0/0x7a0
[  404.159335]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  404.164242]  ? zap_class+0x640/0x640
[  404.167950]  ? zap_class+0x640/0x640
[  404.171667]  ? __x64_sys_futex+0x53e/0x6a0
[  404.175913]  ? find_held_lock+0x36/0x1c0
[  404.179991]  ? handle_mm_fault+0x42a/0xc70
[  404.184223]  ? lock_downgrade+0x900/0x900
[  404.188364]  ? check_preemption_disabled+0x48/0x280
[  404.193380]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  404.198335]  ? kasan_check_read+0x11/0x20
[  404.202479]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  404.207758]  ? rcu_softirq_qs+0x20/0x20
[  404.211733]  ? trace_hardirqs_off_caller+0x310/0x310
[  404.216837]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.222376]  ? check_preemption_disabled+0x48/0x280
[  404.227402]  handle_mm_fault+0x54f/0xc70
[  404.231467]  ? __handle_mm_fault+0x5be0/0x5be0
[  404.236066]  ? find_vma+0x34/0x190
[  404.239640]  __do_page_fault+0x5e8/0xe60
[  404.243701]  ? trace_hardirqs_off+0xb8/0x310
[  404.248111]  ? kernel_write+0x120/0x120
[  404.252096]  do_page_fault+0xf2/0x7e0
[  404.255899]  ? vmalloc_sync_all+0x30/0x30
[  404.260058]  ? error_entry+0x70/0xd0
[  404.263772]  ? trace_hardirqs_off_caller+0xbb/0x310
[  404.268794]  ? trace_hardirqs_on_caller+0xc0/0x310
[  404.273724]  ? syscall_return_slowpath+0x5e0/0x5e0
[  404.278657]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  404.283504]  ? trace_hardirqs_on_caller+0x310/0x310
[  404.288535]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  404.293989]  ? prepare_exit_to_usermode+0x291/0x3b0
[  404.299023]  ? page_fault+0x8/0x30
[  404.302568]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  404.307412]  ? page_fault+0x8/0x30
[  404.310953]  page_fault+0x1e/0x30
[  404.314403] RIP: 0033:0x404068
[  404.317606] Code: Bad RIP value.
[  404.320966] RSP: 002b:000000c420024e48 EFLAGS: 00010206
[  404.326337] RAX: 000000c422dd4cc0 RBX: 000000c42875f801 RCX: 000000c424d31838
[  404.333601] RDX: 000000c422dd4cc0 RSI: 0000000000000001 RDI: 0000000000000001
[  404.340867] RBP: 000000c420024ed8 R08: 00007ffd3a9b40b0 R09: 00007ffd3a9b4080
[  404.348132] R10: 000000000000eacc R11: 0000000000000165 R12: 0000000000000001
[  404.355398] R13: 000000c4271c3620 R14: 0000000000000001 R15: 0000000000000000
[  404.362693] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #83
[  404.362875] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  404.369447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  404.369452] Call Trace:
[  404.369471]  dump_stack+0x244/0x39d
[  404.379877] syz-fuzzer cpuset=/ mems_allowed=0
[  404.389252]  ? dump_stack_print_info.cold.1+0x20/0x20
[  404.405307]  warn_alloc.cold.116+0xb7/0x1bd
[  404.409635]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  404.414483]  ? lock_downgrade+0x900/0x900
[  404.418646]  ? trace_hardirqs_off+0xb8/0x310
[  404.423061]  ? trace_hardirqs_off+0xb8/0x310
[  404.427478]  __alloc_pages_slowpath+0x26e8/0x2e10
[  404.432347]  ? warn_alloc+0x120/0x120
[  404.436151]  ? print_usage_bug+0xc0/0xc0
[  404.440208]  ? warn_alloc+0x120/0x120
[  404.444019]  ? warn_alloc+0x120/0x120
[  404.447818]  ? print_usage_bug+0xc0/0xc0
[  404.451879]  ? print_usage_bug+0xc0/0xc0
[  404.455935]  ? __lock_acquire+0x62f/0x4c20
[  404.460172]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.465703]  ? should_fail+0x22d/0xd01
[  404.469625]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  404.474747]  ? __lock_acquire+0x62f/0x4c20
[  404.478997]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  404.484092]  ? __lock_acquire+0x62f/0x4c20
[  404.488333]  ? should_fail+0x22d/0xd01
[  404.492263]  ? find_held_lock+0x36/0x1c0
[  404.496326]  ? mark_held_locks+0x130/0x130
[  404.500576]  ? mark_held_locks+0x130/0x130
[  404.504825]  ? zap_class+0x640/0x640
[  404.508553]  ? mark_held_locks+0xc7/0x130
[  404.512691]  ? do_raw_spin_unlock+0xa7/0x330
[  404.517092]  ? zap_class+0x640/0x640
[  404.520831]  ? print_usage_bug+0xc0/0xc0
[  404.524886]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.530424]  ? check_preemption_disabled+0x48/0x280
[  404.535457]  ? __lock_is_held+0xb5/0x140
[  404.539509]  __alloc_pages_nodemask+0xa80/0xde0
[  404.544195]  ? zap_class+0x640/0x640
[  404.547921]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  404.552935]  ? find_held_lock+0x36/0x1c0
[  404.556994]  ? ____cache_alloc_node+0x1c7/0x1e0
[  404.561675]  ? lock_downgrade+0x900/0x900
[  404.565822]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.571357]  cache_grow_begin+0xa5/0x8c0
[  404.575408]  ? do_raw_spin_unlock+0xa7/0x330
[  404.579833]  fallback_alloc+0x204/0x2e0
[  404.583857]  ____cache_alloc_node+0x1c7/0x1e0
[  404.588345]  kmem_cache_alloc_node+0xe3/0x730
[  404.592845]  ? ipv6_get_ifaddr+0x42e/0x620
[  404.597111]  __alloc_skb+0x119/0x770
[  404.600834]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  404.606120]  ? netdev_alloc_frag+0x1f0/0x1f0
[  404.610569]  ? lock_downgrade+0x900/0x900
[  404.614712]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.620475]  ? refcount_sub_and_test_checked+0x203/0x310
[  404.625918]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  404.631375]  ? addrconf_rs_timer+0x690/0x690
[  404.635807]  ndisc_alloc_skb+0x144/0x340
[  404.639861]  ndisc_send_rs+0x331/0x6e0
[  404.643751]  addrconf_rs_timer+0x314/0x690
[  404.648010]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  404.652243]  call_timer_fn+0x272/0x920
[  404.656120]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  404.660357]  ? process_timeout+0x40/0x40
[  404.664411]  ? __run_timers+0x7da/0xc70
[  404.668378]  ? _raw_spin_unlock_irq+0x27/0x80
[  404.672860]  ? _raw_spin_unlock_irq+0x27/0x80
[  404.677349]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  404.681575]  ? lockdep_hardirqs_on+0x296/0x5b0
[  404.686148]  ? trace_hardirqs_on+0xbd/0x310
[  404.690463]  ? kasan_check_read+0x11/0x20
[  404.694617]  ? __run_timers+0x7da/0xc70
[  404.698624]  ? trace_hardirqs_off_caller+0x310/0x310
[  404.703738]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  404.707970]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  404.712211]  __run_timers+0x7e5/0xc70
[  404.716028]  ? timer_fixup_init+0x70/0x70
[  404.720179]  ? _raw_spin_unlock_irq+0x27/0x80
[  404.724679]  ? _raw_spin_unlock_irq+0x27/0x80
[  404.729171]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  404.733783]  ? trace_hardirqs_on+0xbd/0x310
[  404.738108]  ? kasan_check_read+0x11/0x20
[  404.742249]  ? finish_task_switch+0x1f4/0x910
[  404.746772]  ? trace_hardirqs_off_caller+0x310/0x310
[  404.751908]  ? compat_start_thread+0x80/0x80
[  404.756343]  ? pvclock_read_flags+0x160/0x160
[  404.760830]  ? __switch_to_asm+0x34/0x70
[  404.764889]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.770455]  ? check_preemption_disabled+0x48/0x280
[  404.775472]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  404.781003]  ? rcu_pm_notify+0xc0/0xc0
[  404.784886]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.790414]  ? check_preemption_disabled+0x48/0x280
[  404.795429]  run_timer_softirq+0x52/0xb0
[  404.799486]  ? rcu_read_lock_sched_held+0x14f/0x180
[  404.804545]  __do_softirq+0x308/0xb7e
[  404.808345]  ? trace_hardirqs_on_caller+0xc0/0x310
[  404.813402]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  404.818503]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  404.823992]  ? schedule+0x108/0x460
[  404.827623]  ? trace_hardirqs_off+0xb8/0x310
[  404.832026]  ? smpboot_thread_fn+0x68b/0xa00
[  404.836425]  ? trace_hardirqs_on+0x310/0x310
[  404.840824]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.846353]  ? check_preemption_disabled+0x48/0x280
[  404.851361]  ? takeover_tasklets+0xa90/0xa90
[  404.855761]  run_ksoftirqd+0x5e/0x100
[  404.859582]  smpboot_thread_fn+0x68b/0xa00
[  404.863842]  ? sort_range+0x30/0x30
[  404.867478]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  404.872616]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.878162]  ? __kthread_parkme+0xfb/0x1a0
[  404.882390]  ? sort_range+0x30/0x30
[  404.886027]  kthread+0x35a/0x440
[  404.889401]  ? kthread_stop+0x900/0x900
[  404.893369]  ret_from_fork+0x3a/0x50
[  404.897118] warn_alloc_show_mem: 1 callbacks suppressed
[  404.897128] CPU: 1 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  404.897129] Mem-Info:
[  404.897157] active_anon:44321 inactive_anon:2061 isolated_anon:0
[  404.897157]  active_file:14 inactive_file:14 isolated_file:0
[  404.897157]  unevictable:0 dirty:0 writeback:0 unstable:0
[  404.897157]  slab_reclaimable:9437 slab_unreclaimable:1460937
[  404.897157]  mapped:49154 shmem:2105 pagetables:642 bounce:0
[  404.897157]  free:13638 free_pcp:328 free_cma:0
[  404.902490] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  404.909423] Node 0 active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8420kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  404.911814] Call Trace:
[  404.944909] 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
[  404.954281]  <IRQ>
[  404.981843] lowmem_reserve[]: 0 2818 6321 6321
[  404.984421]  dump_stack+0x244/0x39d
[  405.010499] Node 0 DMA32 free:24708kB 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
[  405.012644]  ? dump_stack_print_info.cold.1+0x20/0x20
[  405.017209] lowmem_reserve[]: 0 0 3503 3503
[  405.020844]  warn_alloc.cold.116+0xb7/0x1bd
[  405.048308] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2568kB bounce:0kB free_pcp:1064kB local_pcp:692kB free_cma:0kB
[  405.053495]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  405.057793] lowmem_reserve[]: 0 0 0 0
[  405.062118]  ? lock_downgrade+0x900/0x900
[  405.091197] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  405.096051]  ? trace_hardirqs_off+0xb8/0x310
[  405.099824] Node 0 DMA32: 5*4kB (UM) 2*8kB (MH) 2*16kB (MH) 4*32kB (MH) 3*64kB (M) 2*128kB (M) 4*256kB (UMH) 3*512kB (UM) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24708kB
[  405.103960]  ? trace_hardirqs_off+0xb8/0x310
[  405.117466] Node 0 Normal: 930*4kB (MEH) 535*8kB (UMEH) 215*16kB (UME) 80*32kB (UMH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  405.121919]  __alloc_pages_slowpath+0x26e8/0x2e10
[  405.137428] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  405.141896]  ? warn_alloc+0x120/0x120
[  405.155647] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  405.160489]  ? warn_alloc+0x120/0x120
[  405.169296] 2133 total pagecache pages
[  405.173097]  ? warn_alloc+0x120/0x120
[  405.181677] 0 pages in swap cache
[  405.185475]  ? print_usage_bug+0xc0/0xc0
[  405.189352] Swap cache stats: add 0, delete 0, find 0/0
[  405.193146]  ? mark_held_locks+0x130/0x130
[  405.196573] Free swap  = 0kB
[  405.200636]  ? kvm_clock_read+0x18/0x30
[  405.205969] Total swap = 0kB
[  405.210219]  ? print_usage_bug+0xc0/0xc0
[  405.213210] 1965979 pages RAM
[  405.217194]  ? check_usage_forwards+0x3d0/0x3d0
[  405.220183] 0 pages HighMem/MovableOnly
[  405.224239]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  405.227331] 342853 pages reserved
[  405.231985]  ? should_fail+0x22d/0xd01
[  405.235941] 0 pages cma reserved
[  405.241489]  ? __bfs+0x321/0x780
[  405.245023] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  405.248870]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  405.252269] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  405.255580]  ? __lock_acquire+0x62f/0x4c20
[  405.262044] ksoftirqd/0 cpuset=/ mems_allowed=0
[  405.267141]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  405.291370]  ? __lock_acquire+0x62f/0x4c20
[  405.295597]  ? should_fail+0x22d/0xd01
[  405.299535]  ? mark_held_locks+0x130/0x130
[  405.303796]  ? mark_held_locks+0x130/0x130
[  405.308045]  ? kasan_check_read+0x11/0x20
[  405.312244]  ? __lock_acquire+0x2aff/0x4c20
[  405.316585]  ? zap_class+0x640/0x640
[  405.320315]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.325871]  ? check_preemption_disabled+0x48/0x280
[  405.330886]  ? __lock_is_held+0xb5/0x140
[  405.334943]  __alloc_pages_nodemask+0xa80/0xde0
[  405.339615]  ? zap_class+0x640/0x640
[  405.343328]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  405.348351]  ? find_held_lock+0x36/0x1c0
[  405.352434]  ? ____cache_alloc_node+0x1c7/0x1e0
[  405.357102]  ? lock_downgrade+0x900/0x900
[  405.361250]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.366807]  cache_grow_begin+0xa5/0x8c0
[  405.370882]  ? do_raw_spin_unlock+0xa7/0x330
[  405.375297]  fallback_alloc+0x204/0x2e0
[  405.379280]  ____cache_alloc_node+0x1c7/0x1e0
[  405.383786]  kmem_cache_alloc_node+0xe3/0x730
[  405.388293]  ? do_raw_spin_unlock+0xa7/0x330
[  405.392700]  ? do_raw_spin_trylock+0x270/0x270
[  405.397305]  __alloc_skb+0x119/0x770
[  405.401022]  ? netdev_alloc_frag+0x1f0/0x1f0
[  405.405423]  ? atomic_notifier_call_chain+0xc6/0x190
[  405.410532]  ? lock_downgrade+0x900/0x900
[  405.414678]  ? check_preemption_disabled+0x48/0x280
[  405.419693]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  405.424622]  ? kasan_check_read+0x11/0x20
[  405.428765]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  405.434054]  ? rcu_softirq_qs+0x20/0x20
[  405.438020]  ? kasan_check_read+0x11/0x20
[  405.442227]  ? do_raw_write_trylock+0x270/0x270
[  405.446901]  __neigh_notify+0x8c/0x160
[  405.450787]  ? neigh_connected_output+0x780/0x780
[  405.455629]  neigh_timer_handler+0x6cb/0xdf0
[  405.460030]  ? check_preemption_disabled+0x48/0x280
[  405.465043]  ? neigh_periodic_work+0xc60/0xc60
[  405.469620]  ? __lock_is_held+0xb5/0x140
[  405.473695]  call_timer_fn+0x272/0x920
[  405.477574]  ? neigh_periodic_work+0xc60/0xc60
[  405.482160]  ? process_timeout+0x40/0x40
[  405.486229]  ? mark_held_locks+0xc7/0x130
[  405.490372]  ? _raw_spin_unlock_irq+0x27/0x80
[  405.494858]  ? _raw_spin_unlock_irq+0x27/0x80
[  405.499338]  ? neigh_periodic_work+0xc60/0xc60
[  405.503907]  ? lockdep_hardirqs_on+0x296/0x5b0
[  405.508499]  ? trace_hardirqs_on+0xbd/0x310
[  405.512829]  ? kasan_check_read+0x11/0x20
[  405.516980]  ? __run_timers+0x7da/0xc70
[  405.520992]  ? trace_hardirqs_off_caller+0x310/0x310
[  405.526095]  ? neigh_periodic_work+0xc60/0xc60
[  405.530670]  __run_timers+0x7e5/0xc70
[  405.534466]  ? timer_fixup_init+0x70/0x70
[  405.538644]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  405.543648]  ? zap_class+0x640/0x640
[  405.547361]  ? print_usage_bug+0xc0/0xc0
[  405.551430]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  405.556643]  ? find_held_lock+0x36/0x1c0
[  405.560744]  ? zap_class+0x640/0x640
[  405.564452]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.570038]  ? check_preemption_disabled+0x48/0x280
[  405.575056]  ? __lock_is_held+0xb5/0x140
[  405.579155]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.584705]  ? check_preemption_disabled+0x48/0x280
[  405.589754]  run_timer_softirq+0x52/0xb0
[  405.593806]  ? rcu_read_lock_sched_held+0x14f/0x180
[  405.598832]  __do_softirq+0x308/0xb7e
[  405.602648]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  405.607165]  ? lock_downgrade+0x900/0x900
[  405.611308]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  405.616406]  ? pvclock_read_flags+0x160/0x160
[  405.620920]  ? lapic_next_event+0x5a/0x90
[  405.625073]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.630602]  ? kvm_clock_read+0x18/0x30
[  405.634586]  ? kvm_sched_clock_read+0x9/0x20
[  405.639000]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.644533]  ? check_preemption_disabled+0x48/0x280
[  405.649566]  irq_exit+0x17f/0x1c0
[  405.653008]  smp_apic_timer_interrupt+0x1cb/0x760
[  405.657854]  ? smp_reschedule_interrupt+0x109/0x650
[  405.662862]  ? smp_call_function_single_interrupt+0x650/0x650
[  405.668747]  ? interrupt_entry+0xb5/0xc0
[  405.672800]  ? trace_hardirqs_off_caller+0xbb/0x310
[  405.677807]  ? trace_hardirqs_off_caller+0xbb/0x310
[  405.682815]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  405.687679]  ? trace_hardirqs_on_caller+0x310/0x310
[  405.692702]  ? trace_hardirqs_on_caller+0x310/0x310
[  405.697725]  ? task_prio+0x50/0x50
[  405.701267]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.706796]  ? check_preemption_disabled+0x48/0x280
[  405.711808]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  405.716663]  apic_timer_interrupt+0xf/0x20
[  405.720882]  </IRQ>
[  405.723122] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  405.728310] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec
[  405.747233] RSP: 0018:ffff8801c2d36100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  405.754935] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100385b2de6
[  405.762227] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c2d96ebc
[  405.769503] RBP: ffff8801c2d36128 R08: ffff8801c2d96f30 R09: 0000000000000006
[  405.776778] R10: 0000000000000000 R11: ffff8801c2d96640 R12: dffffc0000000000
[  405.784042] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  405.791344]  retint_kernel+0x1b/0x2d
[  405.795053] RIP: 0010:dump_stack+0x358/0x39d
[  405.799485] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  405.818414] RSP: 0018:ffff8801c2d361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  405.826111] RAX: ffff8801c2d96640 RBX: 1ffffffff12a3f76 RCX: 1ffff100385b2de6
[  405.833369] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  405.840626] RBP: ffff8801c2d36290 R08: ffff8801c2d96f30 R09: 0000000000000006
[  405.847882] R10: 0000000000000000 R11: ffff8801c2d96640 R12: 1ffff100385a6c45
[  405.855168] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  405.862438]  ? dump_stack+0x34f/0x39d
[  405.866239]  ? dump_stack_print_info.cold.1+0x20/0x20
[  405.871457]  ? mark_held_locks+0x130/0x130
[  405.875688]  ? mark_held_locks+0x130/0x130
[  405.879926]  dump_header+0x27b/0xf72
[  405.883675]  ? pagefault_out_of_memory+0x197/0x197
[  405.888641]  ? __lock_acquire+0x62f/0x4c20
[  405.892888]  ? percpu_ref_get_many+0x240/0x240
[  405.897472]  ? print_usage_bug+0xc0/0xc0
[  405.901544]  ? zap_class+0x640/0x640
[  405.905262]  ? print_usage_bug+0xc0/0xc0
[  405.909326]  ? print_usage_bug+0xc0/0xc0
[  405.913396]  ? zap_class+0x640/0x640
[  405.917142]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.922697]  ? find_held_lock+0x36/0x1c0
[  405.926766]  ? mark_held_locks+0xc7/0x130
[  405.930917]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  405.936034]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  405.941136]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  405.945721]  ? trace_hardirqs_on+0xbd/0x310
[  405.950083]  ? kasan_check_read+0x11/0x20
[  405.954230]  ? ___ratelimit+0x3b4/0x672
[  405.958205]  ? trace_hardirqs_off_caller+0x310/0x310
[  405.963309]  ? trace_hardirqs_on+0x310/0x310
[  405.967736]  ? lock_downgrade+0x900/0x900
[  405.971886]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  405.977001]  ? ___ratelimit+0x3b9/0x672
[  405.981004]  ? idr_get_free+0xf70/0xf70
[  405.984973]  ? find_held_lock+0x36/0x1c0
[  405.989052]  oom_kill_process.cold.27+0x10/0x903
[  405.993824]  ? zap_class+0x640/0x640
[  405.997543]  ? check_preemption_disabled+0x48/0x280
[  406.002574]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  406.007498]  ? kasan_check_read+0x11/0x20
[  406.011648]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  406.016936]  ? oom_evaluate_task+0x540/0x540
[  406.021359]  ? find_held_lock+0x36/0x1c0
[  406.025449]  ? out_of_memory+0x974/0x1430
[  406.029591]  ? lock_downgrade+0x900/0x900
[  406.033793]  ? check_preemption_disabled+0x48/0x280
[  406.038855]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  406.043788]  ? kasan_check_read+0x11/0x20
[  406.047945]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  406.053227]  ? rcu_softirq_qs+0x20/0x20
[  406.057212]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  406.062736]  ? oom_evaluate_task+0x302/0x540
[  406.067139]  out_of_memory+0xa84/0x1430
[  406.071112]  ? oom_killer_disable+0x3a0/0x3a0
[  406.075619]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  406.080558]  ? __ww_mutex_check_waiters+0x160/0x160
[  406.085617]  __alloc_pages_slowpath+0x2354/0x2e10
[  406.090477]  ? warn_alloc+0x120/0x120
[  406.094305]  ? mark_held_locks+0x130/0x130
[  406.098574]  ? find_get_entry+0xaae/0x1120
[  406.102827]  ? filemap_map_pages+0x1a20/0x1a20
[  406.107424]  ? zap_class+0x640/0x640
[  406.111151]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.116715]  ? check_preemption_disabled+0x48/0x280
[  406.121722]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  406.127262]  ? should_fail+0x22d/0xd01
[  406.131147]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  406.136288]  ? zap_class+0x640/0x640
[  406.140019]  ? __lock_is_held+0xb5/0x140
[  406.144080]  ? mark_held_locks+0x130/0x130
[  406.148307]  ? lock_release+0xa00/0xa00
[  406.152305]  ? perf_trace_sched_process_exec+0x860/0x860
[  406.157750]  ? xa_load+0x2ba/0x460
[  406.161298]  ? lock_downgrade+0x900/0x900
[  406.165455]  ? __might_sleep+0x95/0x190
[  406.169439]  __alloc_pages_nodemask+0xa80/0xde0
[  406.174101]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  406.179143]  ? __page_cache_alloc+0x191/0x5c0
[  406.183628]  ? xa_load+0x2e1/0x460
[  406.187186]  ? xa_clear_mark+0x40/0x40
[  406.191092]  ? zap_class+0x640/0x640
[  406.194805]  ? zap_class+0x640/0x640
[  406.198513]  ? zap_class+0x640/0x640
[  406.202247]  ? __do_page_cache_readahead+0x663/0x810
[  406.207352]  ? find_held_lock+0x36/0x1c0
[  406.211432]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  406.216967]  alloc_pages_current+0x173/0x350
[  406.221445]  __page_cache_alloc+0x38c/0x5c0
[  406.225767]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  406.230705]  ? kasan_check_read+0x11/0x20
[  406.234864]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  406.240159]  ? generic_perform_write+0x6a0/0x6a0
[  406.244906]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  406.250452]  ? check_preemption_disabled+0x48/0x280
[  406.255470]  filemap_fault+0x1595/0x25f0
[  406.259570]  ? __lock_page_or_retry+0xa00/0xa00
[  406.264251]  ? mark_held_locks+0x130/0x130
[  406.268533]  ? filemap_map_pages+0xd6b/0x1a20
[  406.273025]  ? lock_downgrade+0x900/0x900
[  406.277207]  ? check_preemption_disabled+0x48/0x280
[  406.282222]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  406.287162]  ? kasan_check_read+0x11/0x20
[  406.291307]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  406.296576]  ? rcu_softirq_qs+0x20/0x20
[  406.300601]  ? filemap_map_pages+0xd92/0x1a20
[  406.305104]  ? find_get_entries_tag+0x1400/0x1400
[  406.309937]  ? find_held_lock+0x36/0x1c0
[  406.314019]  ? lock_acquire+0x1ed/0x520
[  406.317985]  ? ext4_filemap_fault+0x7a/0xad
[  406.322311]  ? lock_release+0xa00/0xa00
[  406.326282]  ? perf_trace_sched_process_exec+0x860/0x860
[  406.331728]  ? print_usage_bug+0xc0/0xc0
[  406.335794]  ? down_read+0x8d/0x120
[  406.339411]  ? ext4_filemap_fault+0x7a/0xad
[  406.343729]  ? __down_interruptible+0x700/0x700
[  406.348427]  ? find_held_lock+0x36/0x1c0
[  406.352511]  ext4_filemap_fault+0x82/0xad
[  406.356691]  __do_fault+0x100/0x6b0
[  406.360310]  ? lock_downgrade+0x900/0x900
[  406.364449]  ? pmd_devmap_trans_unstable+0x220/0x220
[  406.369581]  ? kasan_check_read+0x11/0x20
[  406.373735]  ? do_raw_spin_unlock+0xa7/0x330
[  406.378133]  ? do_raw_spin_trylock+0x270/0x270
[  406.382754]  __handle_mm_fault+0x3ea0/0x5be0
[  406.387185]  ? perf_trace_lock+0x7a0/0x7a0
[  406.391470]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  406.396346]  ? zap_class+0x640/0x640
[  406.400061]  ? zap_class+0x640/0x640
[  406.403767]  ? __x64_sys_futex+0x53e/0x6a0
[  406.408009]  ? find_held_lock+0x36/0x1c0
[  406.412086]  ? handle_mm_fault+0x42a/0xc70
[  406.416315]  ? lock_downgrade+0x900/0x900
[  406.420469]  ? check_preemption_disabled+0x48/0x280
[  406.425523]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  406.430446]  ? kasan_check_read+0x11/0x20
[  406.434590]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  406.439871]  ? rcu_softirq_qs+0x20/0x20
[  406.443869]  ? trace_hardirqs_off_caller+0x310/0x310
[  406.448967]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  406.454521]  ? check_preemption_disabled+0x48/0x280
[  406.459545]  handle_mm_fault+0x54f/0xc70
[  406.463631]  ? __handle_mm_fault+0x5be0/0x5be0
[  406.468213]  ? find_vma+0x34/0x190
[  406.471786]  __do_page_fault+0x5e8/0xe60
[  406.475842]  ? trace_hardirqs_off+0xb8/0x310
[  406.480243]  ? kernel_write+0x120/0x120
[  406.484220]  do_page_fault+0xf2/0x7e0
[  406.488018]  ? vmalloc_sync_all+0x30/0x30
[  406.492162]  ? error_entry+0x70/0xd0
[  406.495870]  ? trace_hardirqs_off_caller+0xbb/0x310
[  406.500877]  ? trace_hardirqs_on_caller+0xc0/0x310
[  406.505799]  ? syscall_return_slowpath+0x5e0/0x5e0
[  406.510720]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  406.515571]  ? trace_hardirqs_on_caller+0x310/0x310
[  406.520582]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  406.526036]  ? prepare_exit_to_usermode+0x291/0x3b0
[  406.531048]  ? page_fault+0x8/0x30
[  406.534590]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  406.539427]  ? page_fault+0x8/0x30
[  406.542961]  page_fault+0x1e/0x30
[  406.546419] RIP: 0033:0x404068
[  406.549616] Code: Bad RIP value.
[  406.552977] RSP: 002b:000000c420024e48 EFLAGS: 00010206
[  406.558329] RAX: 000000c422dd4cc0 RBX: 000000c42875f801 RCX: 000000c424d31838
[  406.565591] RDX: 000000c422dd4cc0 RSI: 0000000000000001 RDI: 0000000000000001
[  406.572847] RBP: 000000c420024ed8 R08: 00007ffd3a9b40b0 R09: 00007ffd3a9b4080
[  406.580119] R10: 000000000000eacc R11: 0000000000000165 R12: 0000000000000001
[  406.587427] R13: 000000c4271c3620 R14: 0000000000000001 R15: 0000000000000000
[  406.594753] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #83
[  406.594914] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  406.601510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  406.611724] syz-fuzzer cpuset=/ mems_allowed=0
[  406.621299] Call Trace:
[  406.628502]  dump_stack+0x244/0x39d
[  406.632133]  ? dump_stack_print_info.cold.1+0x20/0x20
[  406.637323]  warn_alloc.cold.116+0xb7/0x1bd
[  406.641637]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  406.646478]  ? lock_downgrade+0x900/0x900
[  406.650641]  ? trace_hardirqs_off+0xb8/0x310
[  406.655045]  ? trace_hardirqs_off+0xb8/0x310
[  406.659450]  __alloc_pages_slowpath+0x26e8/0x2e10
[  406.664301]  ? warn_alloc+0x120/0x120
[  406.668106]  ? print_usage_bug+0xc0/0xc0
[  406.672172]  ? warn_alloc+0x120/0x120
[  406.675979]  ? warn_alloc+0x120/0x120
[  406.679796]  ? print_usage_bug+0xc0/0xc0
[  406.683867]  ? print_usage_bug+0xc0/0xc0
[  406.687950]  ? __lock_acquire+0x62f/0x4c20
[  406.692210]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  406.697768]  ? should_fail+0x22d/0xd01
[  406.701655]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  406.706752]  ? __lock_acquire+0x62f/0x4c20
[  406.710986]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  406.716079]  ? __lock_acquire+0x62f/0x4c20
[  406.720306]  ? should_fail+0x22d/0xd01
[  406.724182]  ? find_held_lock+0x36/0x1c0
[  406.728240]  ? mark_held_locks+0x130/0x130
[  406.732479]  ? mark_held_locks+0x130/0x130
[  406.736720]  ? zap_class+0x640/0x640
[  406.740436]  ? zap_class+0x640/0x640
[  406.744143]  ? print_usage_bug+0xc0/0xc0
[  406.748228]  ? do_raw_spin_unlock+0xa7/0x330
[  406.752799]  ? zap_class+0x640/0x640
[  406.756507]  ? print_usage_bug+0xc0/0xc0
[  406.760583]  ? wq_watchdog_touch+0x9c/0xfe
[  406.764842]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.770400]  ? check_preemption_disabled+0x48/0x280
[  406.775417]  ? __lock_is_held+0xb5/0x140
[  406.779501]  __alloc_pages_nodemask+0xa80/0xde0
[  406.784189]  ? zap_class+0x640/0x640
[  406.787915]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  406.792935]  ? find_held_lock+0x36/0x1c0
[  406.797027]  ? ____cache_alloc_node+0x1c7/0x1e0
[  406.801704]  ? lock_downgrade+0x900/0x900
[  406.805853]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.811420]  cache_grow_begin+0xa5/0x8c0
[  406.815489]  ? do_raw_spin_unlock+0xa7/0x330
[  406.819923]  fallback_alloc+0x204/0x2e0
[  406.823930]  ____cache_alloc_node+0x1c7/0x1e0
[  406.828460]  kmem_cache_alloc_node+0xe3/0x730
[  406.832952]  ? ipv6_get_ifaddr+0x42e/0x620
[  406.837228]  __alloc_skb+0x119/0x770
[  406.840937]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  406.846224]  ? netdev_alloc_frag+0x1f0/0x1f0
[  406.850637]  ? lock_downgrade+0x900/0x900
[  406.854792]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.860356]  ? refcount_sub_and_test_checked+0x203/0x310
[  406.865835]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  406.871278]  ? addrconf_rs_timer+0x690/0x690
[  406.875708]  ndisc_alloc_skb+0x144/0x340
[  406.879906]  ndisc_send_rs+0x331/0x6e0
[  406.883800]  addrconf_rs_timer+0x314/0x690
[  406.888033]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.892270]  call_timer_fn+0x272/0x920
[  406.896163]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.900389]  ? process_timeout+0x40/0x40
[  406.904450]  ? __run_timers+0x7da/0xc70
[  406.908417]  ? _raw_spin_unlock_irq+0x27/0x80
[  406.912899]  ? _raw_spin_unlock_irq+0x27/0x80
[  406.917382]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.921609]  ? lockdep_hardirqs_on+0x296/0x5b0
[  406.926184]  ? trace_hardirqs_on+0xbd/0x310
[  406.930494]  ? kasan_check_read+0x11/0x20
[  406.934633]  ? __run_timers+0x7da/0xc70
[  406.938599]  ? trace_hardirqs_off_caller+0x310/0x310
[  406.943695]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.947943]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.952226]  __run_timers+0x7e5/0xc70
[  406.956027]  ? timer_fixup_init+0x70/0x70
[  406.960218]  ? _raw_spin_unlock_irq+0x27/0x80
[  406.964716]  ? _raw_spin_unlock_irq+0x27/0x80
[  406.969217]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  406.973813]  ? trace_hardirqs_on+0xbd/0x310
[  406.978186]  ? kasan_check_read+0x11/0x20
[  406.982384]  ? finish_task_switch+0x1f4/0x910
[  406.986887]  ? trace_hardirqs_off_caller+0x310/0x310
[  406.991984]  ? compat_start_thread+0x80/0x80
[  406.996419]  ? pvclock_read_flags+0x160/0x160
[  407.000903]  ? __switch_to_asm+0x34/0x70
[  407.004952]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.010492]  ? check_preemption_disabled+0x48/0x280
[  407.015559]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  407.021096]  ? rcu_pm_notify+0xc0/0xc0
[  407.024996]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.030538]  ? check_preemption_disabled+0x48/0x280
[  407.035558]  run_timer_softirq+0x52/0xb0
[  407.039612]  ? rcu_read_lock_sched_held+0x14f/0x180
[  407.044630]  __do_softirq+0x308/0xb7e
[  407.048430]  ? trace_hardirqs_on_caller+0xc0/0x310
[  407.053392]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  407.058502]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  407.063962]  ? schedule+0x108/0x460
[  407.067699]  ? trace_hardirqs_off+0xb8/0x310
[  407.072102]  ? smpboot_thread_fn+0x68b/0xa00
[  407.076504]  ? trace_hardirqs_on+0x310/0x310
[  407.080914]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  407.086452]  ? check_preemption_disabled+0x48/0x280
[  407.091485]  ? takeover_tasklets+0xa90/0xa90
[  407.095898]  run_ksoftirqd+0x5e/0x100
[  407.099708]  smpboot_thread_fn+0x68b/0xa00
[  407.103978]  ? sort_range+0x30/0x30
[  407.107614]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  407.112716]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  407.118257]  ? __kthread_parkme+0xfb/0x1a0
[  407.122508]  ? sort_range+0x30/0x30
[  407.126151]  kthread+0x35a/0x440
[  407.129537]  ? kthread_stop+0x900/0x900
[  407.133529]  ret_from_fork+0x3a/0x50
[  407.137249] warn_alloc_show_mem: 1 callbacks suppressed
[  407.137259] CPU: 1 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  407.137261] Mem-Info:
[  407.137289] active_anon:44321 inactive_anon:2061 isolated_anon:0
[  407.137289]  active_file:14 inactive_file:14 isolated_file:0
[  407.137289]  unevictable:0 dirty:0 writeback:0 unstable:0
[  407.137289]  slab_reclaimable:9437 slab_unreclaimable:1460937
[  407.137289]  mapped:49154 shmem:2105 pagetables:642 bounce:0
[  407.137289]  free:13638 free_pcp:328 free_cma:0
[  407.142640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  407.149565] Node 0 active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8420kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  407.151955] Call Trace:
[  407.185016] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  407.194375]  <IRQ>
[  407.221935] lowmem_reserve[]: 0 2818 6321 6321
[  407.224542]  dump_stack+0x244/0x39d
[  407.250626] Node 0 DMA32 free:24708kB 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
[  407.252777]  ? dump_stack_print_info.cold.1+0x20/0x20
[  407.257330] lowmem_reserve[]: 0 0 3503 3503
[  407.261006]  warn_alloc.cold.116+0xb7/0x1bd
[  407.288467] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2568kB bounce:0kB free_pcp:1064kB local_pcp:692kB free_cma:0kB
[  407.293660]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  407.297963] lowmem_reserve[]: 0 0 0 0
[  407.302292]  ? lock_downgrade+0x900/0x900
[  407.331332] 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
[  407.336189]  ? trace_hardirqs_off+0xb8/0x310
[  407.339959] Node 0 DMA32: 5*4kB (UM) 2*8kB (MH) 2*16kB (MH) 4*32kB (MH) 3*64kB (M) 2*128kB (M) 4*256kB (UMH) 3*512kB (UM) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24708kB
[  407.344099]  ? trace_hardirqs_off+0xb8/0x310
[  407.357592] Node 0 Normal: 930*4kB (MEH) 535*8kB (UMEH) 215*16kB (UME) 80*32kB (UMH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  407.361991]  __alloc_pages_slowpath+0x26e8/0x2e10
[  407.377496] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  407.381934]  ? warn_alloc+0x120/0x120
[  407.395689] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  407.400534]  ? warn_alloc+0x120/0x120
[  407.409436] 2133 total pagecache pages
[  407.413255]  ? zap_class+0x640/0x640
[  407.421805] 0 pages in swap cache
[  407.425590]  ? warn_alloc+0x120/0x120
[  407.429478] Swap cache stats: add 0, delete 0, find 0/0
[  407.433178]  ? print_usage_bug+0xc0/0xc0
[  407.436621] Free swap  = 0kB
[  407.440410]  ? check_preemption_disabled+0x48/0x280
[  407.445776] Total swap = 0kB
[  407.449837]  ? print_usage_bug+0xc0/0xc0
[  407.452827] 1965979 pages RAM
[  407.457841]  ? __lock_is_held+0xb5/0x140
[  407.460837] 0 pages HighMem/MovableOnly
[  407.464886]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  407.467962] 342853 pages reserved
[  407.472010]  ? should_fail+0x22d/0xd01
[  407.475953] 0 pages cma reserved
[  407.481494]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  407.485034] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  407.488845]  ? __lock_acquire+0x62f/0x4c20
[  407.492275] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  407.497307]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  407.503793] ksoftirqd/0 cpuset=/ mems_allowed=0
[  407.508013]  ? __lock_acquire+0x62f/0x4c20
[  407.532390]  ? should_fail+0x22d/0xd01
[  407.536345]  ? mark_held_locks+0x130/0x130
[  407.540582]  ? mark_held_locks+0x130/0x130
[  407.544823]  ? do_raw_spin_unlock+0xa7/0x330
[  407.549229]  ? zap_class+0x640/0x640
[  407.552953]  ? print_usage_bug+0xc0/0xc0
[  407.557061]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.562603]  ? check_preemption_disabled+0x48/0x280
[  407.567624]  ? __lock_is_held+0xb5/0x140
[  407.571688]  __alloc_pages_nodemask+0xa80/0xde0
[  407.576347]  ? zap_class+0x640/0x640
[  407.580060]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  407.585094]  ? find_held_lock+0x36/0x1c0
[  407.589180]  ? ____cache_alloc_node+0x1c7/0x1e0
[  407.593842]  ? lock_downgrade+0x900/0x900
[  407.598006]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.603558]  cache_grow_begin+0xa5/0x8c0
[  407.607643]  ? do_raw_spin_unlock+0xa7/0x330
[  407.612060]  fallback_alloc+0x204/0x2e0
[  407.616058]  ____cache_alloc_node+0x1c7/0x1e0
[  407.620555]  kmem_cache_alloc_node+0xe3/0x730
[  407.625041]  ? ipv6_get_ifaddr+0x42e/0x620
[  407.629297]  __alloc_skb+0x119/0x770
[  407.633006]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  407.638294]  ? netdev_alloc_frag+0x1f0/0x1f0
[  407.642695]  ? lock_downgrade+0x900/0x900
[  407.646860]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.652390]  ? refcount_sub_and_test_checked+0x203/0x310
[  407.657847]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  407.663321]  ? addrconf_rs_timer+0x690/0x690
[  407.667731]  ndisc_alloc_skb+0x144/0x340
[  407.671784]  ndisc_send_rs+0x331/0x6e0
[  407.675666]  addrconf_rs_timer+0x314/0x690
[  407.679899]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  407.684133]  call_timer_fn+0x272/0x920
[  407.688018]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  407.692244]  ? process_timeout+0x40/0x40
[  407.696347]  ? mark_held_locks+0xc7/0x130
[  407.700486]  ? _raw_spin_unlock_irq+0x27/0x80
[  407.704966]  ? _raw_spin_unlock_irq+0x27/0x80
[  407.709449]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  407.713671]  ? lockdep_hardirqs_on+0x296/0x5b0
[  407.718258]  ? trace_hardirqs_on+0xbd/0x310
[  407.722572]  ? kasan_check_read+0x11/0x20
[  407.726735]  ? __run_timers+0x7da/0xc70
[  407.730720]  ? trace_hardirqs_off_caller+0x310/0x310
[  407.735826]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  407.740101]  __run_timers+0x7e5/0xc70
[  407.743918]  ? timer_fixup_init+0x70/0x70
[  407.748066]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  407.753100]  ? zap_class+0x640/0x640
[  407.756817]  ? print_usage_bug+0xc0/0xc0
[  407.760878]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  407.766076]  ? find_held_lock+0x36/0x1c0
[  407.770138]  ? zap_class+0x640/0x640
[  407.773851]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.779431]  ? check_preemption_disabled+0x48/0x280
[  407.784483]  ? __lock_is_held+0xb5/0x140
[  407.788547]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.794103]  ? check_preemption_disabled+0x48/0x280
[  407.799181]  run_timer_softirq+0x52/0xb0
[  407.803248]  ? rcu_read_lock_sched_held+0x14f/0x180
[  407.808286]  __do_softirq+0x308/0xb7e
[  407.812086]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  407.816603]  ? lock_downgrade+0x900/0x900
[  407.820762]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  407.825905]  ? pvclock_read_flags+0x160/0x160
[  407.830461]  ? lapic_next_event+0x5a/0x90
[  407.834636]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.840214]  ? kvm_clock_read+0x18/0x30
[  407.844193]  ? kvm_sched_clock_read+0x9/0x20
[  407.848614]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.854206]  ? check_preemption_disabled+0x48/0x280
[  407.859241]  irq_exit+0x17f/0x1c0
[  407.862693]  smp_apic_timer_interrupt+0x1cb/0x760
[  407.867537]  ? smp_reschedule_interrupt+0x109/0x650
[  407.872577]  ? smp_call_function_single_interrupt+0x650/0x650
[  407.878477]  ? interrupt_entry+0xb5/0xc0
[  407.882532]  ? trace_hardirqs_off_caller+0xbb/0x310
[  407.887546]  ? trace_hardirqs_off_caller+0xbb/0x310
[  407.892574]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  407.897408]  ? trace_hardirqs_on_caller+0x310/0x310
[  407.902431]  ? trace_hardirqs_on_caller+0x310/0x310
[  407.907437]  ? task_prio+0x50/0x50
[  407.910999]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.916589]  ? check_preemption_disabled+0x48/0x280
[  407.921618]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  407.926457]  apic_timer_interrupt+0xf/0x20
[  407.930690]  </IRQ>
[  407.932936] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  407.938142] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec
[  407.957032] RSP: 0018:ffff8801c2d36100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  407.964744] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100385b2de6
[  407.972014] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c2d96ebc
[  407.979292] RBP: ffff8801c2d36128 R08: ffff8801c2d96f30 R09: 0000000000000006
[  407.986565] R10: 0000000000000000 R11: ffff8801c2d96640 R12: dffffc0000000000
[  407.993865] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  408.001149]  retint_kernel+0x1b/0x2d
[  408.004854] RIP: 0010:dump_stack+0x358/0x39d
[  408.009250] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  408.028162] RSP: 0018:ffff8801c2d361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  408.035900] RAX: ffff8801c2d96640 RBX: 1ffffffff12a3f76 RCX: 1ffff100385b2de6
[  408.043161] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  408.050502] RBP: ffff8801c2d36290 R08: ffff8801c2d96f30 R09: 0000000000000006
[  408.057788] R10: 0000000000000000 R11: ffff8801c2d96640 R12: 1ffff100385a6c45
[  408.065045] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  408.072347]  ? dump_stack+0x34f/0x39d
[  408.076194]  ? dump_stack_print_info.cold.1+0x20/0x20
[  408.081436]  ? mark_held_locks+0x130/0x130
[  408.085662]  ? mark_held_locks+0x130/0x130
[  408.089893]  dump_header+0x27b/0xf72
[  408.093622]  ? pagefault_out_of_memory+0x197/0x197
[  408.098553]  ? __lock_acquire+0x62f/0x4c20
[  408.102779]  ? percpu_ref_get_many+0x240/0x240
[  408.107354]  ? print_usage_bug+0xc0/0xc0
[  408.111409]  ? zap_class+0x640/0x640
[  408.115131]  ? print_usage_bug+0xc0/0xc0
[  408.119213]  ? print_usage_bug+0xc0/0xc0
[  408.123315]  ? zap_class+0x640/0x640
[  408.127025]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.132568]  ? find_held_lock+0x36/0x1c0
[  408.136650]  ? mark_held_locks+0xc7/0x130
[  408.140807]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  408.145934]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  408.151087]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  408.155664]  ? trace_hardirqs_on+0xbd/0x310
[  408.159977]  ? kasan_check_read+0x11/0x20
[  408.164114]  ? ___ratelimit+0x3b4/0x672
[  408.168082]  ? trace_hardirqs_off_caller+0x310/0x310
[  408.173194]  ? trace_hardirqs_on+0x310/0x310
[  408.177616]  ? lock_downgrade+0x900/0x900
[  408.181764]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  408.186872]  ? ___ratelimit+0x3b9/0x672
[  408.190840]  ? idr_get_free+0xf70/0xf70
[  408.194805]  ? find_held_lock+0x36/0x1c0
[  408.198880]  oom_kill_process.cold.27+0x10/0x903
[  408.203659]  ? zap_class+0x640/0x640
[  408.207398]  ? check_preemption_disabled+0x48/0x280
[  408.212408]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  408.217397]  ? kasan_check_read+0x11/0x20
[  408.221538]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  408.226836]  ? oom_evaluate_task+0x540/0x540
[  408.231289]  ? find_held_lock+0x36/0x1c0
[  408.235364]  ? out_of_memory+0x974/0x1430
[  408.239524]  ? lock_downgrade+0x900/0x900
[  408.243679]  ? check_preemption_disabled+0x48/0x280
[  408.248685]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  408.253602]  ? kasan_check_read+0x11/0x20
[  408.257751]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  408.263015]  ? rcu_softirq_qs+0x20/0x20
[  408.266987]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  408.272514]  ? oom_evaluate_task+0x302/0x540
[  408.276926]  out_of_memory+0xa84/0x1430
[  408.280912]  ? oom_killer_disable+0x3a0/0x3a0
[  408.285395]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  408.290327]  ? __ww_mutex_check_waiters+0x160/0x160
[  408.295353]  __alloc_pages_slowpath+0x2354/0x2e10
[  408.300256]  ? warn_alloc+0x120/0x120
[  408.304069]  ? mark_held_locks+0x130/0x130
[  408.308307]  ? find_get_entry+0xaae/0x1120
[  408.312557]  ? filemap_map_pages+0x1a20/0x1a20
[  408.317136]  ? zap_class+0x640/0x640
[  408.320867]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.326399]  ? check_preemption_disabled+0x48/0x280
[  408.331407]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  408.336937]  ? should_fail+0x22d/0xd01
[  408.340849]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  408.345948]  ? zap_class+0x640/0x640
[  408.349721]  ? __lock_is_held+0xb5/0x140
[  408.353789]  ? mark_held_locks+0x130/0x130
[  408.358040]  ? lock_release+0xa00/0xa00
[  408.362030]  ? perf_trace_sched_process_exec+0x860/0x860
[  408.367491]  ? xa_load+0x2ba/0x460
[  408.371034]  ? lock_downgrade+0x900/0x900
[  408.375183]  ? __might_sleep+0x95/0x190
[  408.379156]  __alloc_pages_nodemask+0xa80/0xde0
[  408.383827]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  408.388871]  ? __page_cache_alloc+0x191/0x5c0
[  408.393358]  ? xa_load+0x2e1/0x460
[  408.396909]  ? xa_clear_mark+0x40/0x40
[  408.400808]  ? zap_class+0x640/0x640
[  408.404530]  ? zap_class+0x640/0x640
[  408.408273]  ? zap_class+0x640/0x640
[  408.411984]  ? __do_page_cache_readahead+0x663/0x810
[  408.417100]  ? find_held_lock+0x36/0x1c0
[  408.421175]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  408.426730]  alloc_pages_current+0x173/0x350
[  408.431140]  __page_cache_alloc+0x38c/0x5c0
[  408.435462]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  408.440382]  ? kasan_check_read+0x11/0x20
[  408.444530]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  408.449816]  ? generic_perform_write+0x6a0/0x6a0
[  408.454600]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  408.460160]  ? check_preemption_disabled+0x48/0x280
[  408.465204]  filemap_fault+0x1595/0x25f0
[  408.469292]  ? __lock_page_or_retry+0xa00/0xa00
[  408.473975]  ? mark_held_locks+0x130/0x130
[  408.478215]  ? filemap_map_pages+0xd6b/0x1a20
[  408.482706]  ? lock_downgrade+0x900/0x900
[  408.486879]  ? check_preemption_disabled+0x48/0x280
[  408.491967]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  408.496907]  ? kasan_check_read+0x11/0x20
[  408.501057]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  408.506335]  ? rcu_softirq_qs+0x20/0x20
[  408.510336]  ? filemap_map_pages+0xd92/0x1a20
[  408.514843]  ? find_get_entries_tag+0x1400/0x1400
[  408.519685]  ? find_held_lock+0x36/0x1c0
[  408.523769]  ? lock_acquire+0x1ed/0x520
[  408.527748]  ? ext4_filemap_fault+0x7a/0xad
[  408.532078]  ? lock_release+0xa00/0xa00
[  408.536081]  ? perf_trace_sched_process_exec+0x860/0x860
[  408.541559]  ? print_usage_bug+0xc0/0xc0
[  408.545635]  ? down_read+0x8d/0x120
[  408.549257]  ? ext4_filemap_fault+0x7a/0xad
[  408.553587]  ? __down_interruptible+0x700/0x700
[  408.558257]  ? find_held_lock+0x36/0x1c0
[  408.562326]  ext4_filemap_fault+0x82/0xad
[  408.566473]  __do_fault+0x100/0x6b0
[  408.570102]  ? lock_downgrade+0x900/0x900
[  408.574267]  ? pmd_devmap_trans_unstable+0x220/0x220
[  408.579379]  ? kasan_check_read+0x11/0x20
[  408.583531]  ? do_raw_spin_unlock+0xa7/0x330
[  408.587945]  ? do_raw_spin_trylock+0x270/0x270
[  408.592559]  __handle_mm_fault+0x3ea0/0x5be0
[  408.596979]  ? perf_trace_lock+0x7a0/0x7a0
[  408.601237]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  408.606131]  ? zap_class+0x640/0x640
[  408.609855]  ? zap_class+0x640/0x640
[  408.613566]  ? __x64_sys_futex+0x53e/0x6a0
[  408.617806]  ? find_held_lock+0x36/0x1c0
[  408.622019]  ? handle_mm_fault+0x42a/0xc70
[  408.626269]  ? lock_downgrade+0x900/0x900
[  408.630439]  ? check_preemption_disabled+0x48/0x280
[  408.635459]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  408.640386]  ? kasan_check_read+0x11/0x20
[  408.644540]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  408.649816]  ? rcu_softirq_qs+0x20/0x20
[  408.653788]  ? trace_hardirqs_off_caller+0x310/0x310
[  408.658890]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  408.664425]  ? check_preemption_disabled+0x48/0x280
[  408.669457]  handle_mm_fault+0x54f/0xc70
[  408.673542]  ? __handle_mm_fault+0x5be0/0x5be0
[  408.678123]  ? find_vma+0x34/0x190
[  408.681665]  __do_page_fault+0x5e8/0xe60
[  408.685727]  ? trace_hardirqs_off+0xb8/0x310
[  408.690130]  ? kernel_write+0x120/0x120
[  408.694115]  do_page_fault+0xf2/0x7e0
[  408.697931]  ? vmalloc_sync_all+0x30/0x30
[  408.702091]  ? error_entry+0x70/0xd0
[  408.705823]  ? trace_hardirqs_off_caller+0xbb/0x310
[  408.710852]  ? trace_hardirqs_on_caller+0xc0/0x310
[  408.715780]  ? syscall_return_slowpath+0x5e0/0x5e0
[  408.720765]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  408.725603]  ? trace_hardirqs_on_caller+0x310/0x310
[  408.730629]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  408.736073]  ? prepare_exit_to_usermode+0x291/0x3b0
[  408.741080]  ? page_fault+0x8/0x30
[  408.744646]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  408.749486]  ? page_fault+0x8/0x30
[  408.753582]  page_fault+0x1e/0x30
[  408.757030] RIP: 0033:0x404068
[  408.760234] Code: Bad RIP value.
[  408.763608] RSP: 002b:000000c420024e48 EFLAGS: 00010206
[  408.768966] RAX: 000000c422dd4cc0 RBX: 000000c42875f801 RCX: 000000c424d31838
[  408.776229] RDX: 000000c422dd4cc0 RSI: 0000000000000001 RDI: 0000000000000001
[  408.783506] RBP: 000000c420024ed8 R08: 00007ffd3a9b40b0 R09: 00007ffd3a9b4080
[  408.790769] R10: 000000000000eacc R11: 0000000000000165 R12: 0000000000000001
[  408.798033] R13: 000000c4271c3620 R14: 0000000000000001 R15: 0000000000000000
[  408.805374] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #83
[  408.805437] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  408.812121] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  408.812128] Call Trace:
[  408.818724] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  408.827992]  dump_stack+0x244/0x39d
[  408.830565] syz-fuzzer cpuset=/ mems_allowed=0
[  408.840796]  ? dump_stack_print_info.cold.1+0x20/0x20
[  408.854127]  warn_alloc.cold.116+0xb7/0x1bd
[  408.858485]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  408.863320]  ? lock_downgrade+0x900/0x900
[  408.867464]  ? trace_hardirqs_off+0xb8/0x310
[  408.871869]  ? trace_hardirqs_off+0xb8/0x310
[  408.876277]  __alloc_pages_slowpath+0x26e8/0x2e10
[  408.881166]  ? warn_alloc+0x120/0x120
[  408.884990]  ? warn_alloc+0x120/0x120
[  408.888821]  ? warn_alloc+0x120/0x120
[  408.892624]  ? trace_hardirqs_off+0xb8/0x310
[  408.897038]  ? print_usage_bug+0xc0/0xc0
[  408.901114]  ? print_usage_bug+0xc0/0xc0
[  408.905203]  ? __lock_acquire+0x62f/0x4c20
[  408.909426]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  408.914982]  ? should_fail+0x22d/0xd01
[  408.918865]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  408.923974]  ? __lock_acquire+0x62f/0x4c20
[  408.928206]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  408.933310]  ? __lock_acquire+0x62f/0x4c20
[  408.937536]  ? should_fail+0x22d/0xd01
[  408.941433]  ? mark_held_locks+0x130/0x130
[  408.945680]  ? mark_held_locks+0x130/0x130
[  408.949915]  ? zap_class+0x640/0x640
[  408.953672]  ? ret_from_fork+0x3a/0x50
[  408.957566]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.963112]  ? check_preemption_disabled+0x48/0x280
[  408.968147]  ? __lock_is_held+0xb5/0x140
[  408.972218]  __alloc_pages_nodemask+0xa80/0xde0
[  408.976878]  ? zap_class+0x640/0x640
[  408.980601]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  408.985637]  ? find_held_lock+0x36/0x1c0
[  408.989715]  ? ____cache_alloc_node+0x1c7/0x1e0
[  408.994377]  ? lock_downgrade+0x900/0x900
[  408.998560]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.004124]  cache_grow_begin+0xa5/0x8c0
[  409.008178]  ? do_raw_spin_unlock+0xa7/0x330
[  409.012582]  fallback_alloc+0x204/0x2e0
[  409.016589]  ____cache_alloc_node+0x1c7/0x1e0
[  409.021082]  kmem_cache_alloc_node+0xe3/0x730
[  409.025584]  ? mark_held_locks+0xc7/0x130
[  409.029769]  __alloc_skb+0x119/0x770
[  409.033537]  ? netdev_alloc_frag+0x1f0/0x1f0
[  409.037935]  ? do_raw_spin_trylock+0x270/0x270
[  409.042510]  ? kmem_cache_alloc_trace+0x353/0x750
[  409.047400]  ? queue_work_on+0x12c/0x1e0
[  409.051473]  ? switchdev_port_obj_del+0xdc/0x440
[  409.056254]  ? switchdev_trans_item_enqueue+0x260/0x260
[  409.061614]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  409.066627]  __br_mdb_notify+0x4ff/0x15d0
[  409.070766]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  409.075869]  ? __br_mdb_add+0x7f0/0x7f0
[  409.079867]  ? mark_held_locks+0x130/0x130
[  409.084095]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  409.089190]  ? debug_object_assert_init+0x368/0x4b0
[  409.094199]  ? debug_object_init_on_stack+0x20/0x20
[  409.099203]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.104737]  br_mdb_notify+0x310/0x410
[  409.108650]  ? br_mdb_dump+0x27b0/0x27b0
[  409.112746]  br_multicast_del_pg+0x3df/0x790
[  409.117181]  ? br_mdb_ip_get+0x940/0x940
[  409.121268]  ? rwlock_bug.part.2+0x90/0x90
[  409.125512]  ? __lock_is_held+0xb5/0x140
[  409.129623]  br_multicast_port_group_expired+0x189/0x1e0
[  409.135120]  call_timer_fn+0x272/0x920
[  409.139002]  ? br_multicast_del_pg+0x790/0x790
[  409.143583]  ? process_timeout+0x40/0x40
[  409.147650]  ? __run_timers+0x7da/0xc70
[  409.151622]  ? _raw_spin_unlock_irq+0x27/0x80
[  409.156167]  ? _raw_spin_unlock_irq+0x27/0x80
[  409.160668]  ? br_multicast_del_pg+0x790/0x790
[  409.165243]  ? lockdep_hardirqs_on+0x296/0x5b0
[  409.169837]  ? trace_hardirqs_on+0xbd/0x310
[  409.174167]  ? kasan_check_read+0x11/0x20
[  409.178320]  ? __run_timers+0x7da/0xc70
[  409.182287]  ? trace_hardirqs_off_caller+0x310/0x310
[  409.187391]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  409.191625]  ? br_multicast_del_pg+0x790/0x790
[  409.196207]  __run_timers+0x7e5/0xc70
[  409.200079]  ? timer_fixup_init+0x70/0x70
[  409.204215]  ? _raw_spin_unlock_irq+0x27/0x80
[  409.208719]  ? _raw_spin_unlock_irq+0x27/0x80
[  409.213209]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  409.218061]  ? trace_hardirqs_on+0xbd/0x310
[  409.222417]  ? kasan_check_read+0x11/0x20
[  409.226562]  ? finish_task_switch+0x1f4/0x910
[  409.231081]  ? trace_hardirqs_off_caller+0x310/0x310
[  409.236193]  ? compat_start_thread+0x80/0x80
[  409.240707]  ? pvclock_read_flags+0x160/0x160
[  409.245193]  ? __switch_to_asm+0x34/0x70
[  409.249263]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.254834]  ? check_preemption_disabled+0x48/0x280
[  409.259856]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  409.265395]  ? rcu_pm_notify+0xc0/0xc0
[  409.269275]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.274822]  ? check_preemption_disabled+0x48/0x280
[  409.279838]  run_timer_softirq+0x52/0xb0
[  409.283908]  ? rcu_read_lock_sched_held+0x14f/0x180
[  409.288918]  __do_softirq+0x308/0xb7e
[  409.292715]  ? trace_hardirqs_on_caller+0xc0/0x310
[  409.297642]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  409.302769]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  409.308224]  ? schedule+0x108/0x460
[  409.311859]  ? trace_hardirqs_off+0xb8/0x310
[  409.316277]  ? smpboot_thread_fn+0x68b/0xa00
[  409.320691]  ? trace_hardirqs_on+0x310/0x310
[  409.325097]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.330664]  ? check_preemption_disabled+0x48/0x280
[  409.335680]  ? takeover_tasklets+0xa90/0xa90
[  409.340100]  run_ksoftirqd+0x5e/0x100
[  409.343923]  smpboot_thread_fn+0x68b/0xa00
[  409.348156]  ? sort_range+0x30/0x30
[  409.351774]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  409.356875]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.362403]  ? __kthread_parkme+0xfb/0x1a0
[  409.366633]  ? sort_range+0x30/0x30
[  409.370274]  kthread+0x35a/0x440
[  409.373652]  ? kthread_stop+0x900/0x900
[  409.377644]  ret_from_fork+0x3a/0x50
[  409.381391] warn_alloc_show_mem: 1 callbacks suppressed
[  409.381402] CPU: 1 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  409.381403] Mem-Info:
[  409.381432] active_anon:44321 inactive_anon:2061 isolated_anon:0
[  409.381432]  active_file:14 inactive_file:14 isolated_file:0
[  409.381432]  unevictable:0 dirty:0 writeback:0 unstable:0
[  409.381432]  slab_reclaimable:9437 slab_unreclaimable:1460937
[  409.381432]  mapped:49154 shmem:2105 pagetables:642 bounce:0
[  409.381432]  free:13638 free_pcp:328 free_cma:0
[  409.386789] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  409.393726] Node 0 active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8420kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  409.396115] Call Trace:
[  409.429180] 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
[  409.438514]  <IRQ>
[  409.466097] lowmem_reserve[]: 0 2818 6321 6321
[  409.468696]  dump_stack+0x244/0x39d
[  409.494775] Node 0 DMA32 free:24708kB 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
[  409.496958]  ? dump_stack_print_info.cold.1+0x20/0x20
[  409.501504] lowmem_reserve[]: 0 0 3503 3503
[  409.505165]  warn_alloc.cold.116+0xb7/0x1bd
[  409.532631] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2568kB bounce:0kB free_pcp:1064kB local_pcp:692kB free_cma:0kB
[  409.537814]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  409.542115] lowmem_reserve[]: 0 0 0 0
[  409.546449]  ? lock_downgrade+0x900/0x900
[  409.575484] 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
[  409.580329]  ? trace_hardirqs_off+0xb8/0x310
[  409.584102] Node 0 DMA32: 5*4kB (UM) 2*8kB (MH) 2*16kB (MH) 4*32kB (MH) 3*64kB (M) 2*128kB (M) 4*256kB (UMH) 3*512kB (UM) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24708kB
[  409.588258]  ? trace_hardirqs_off+0xb8/0x310
[  409.601754] Node 0 Normal: 930*4kB (MEH) 535*8kB (UMEH) 215*16kB (UME) 80*32kB (UMH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  409.606166]  __alloc_pages_slowpath+0x26e8/0x2e10
[  409.621663] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  409.626086]  ? warn_alloc+0x120/0x120
[  409.639825] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  409.644657]  ? print_usage_bug+0xc0/0xc0
[  409.653467] 2133 total pagecache pages
[  409.657256]  ? warn_alloc+0x120/0x120
[  409.665808] 0 pages in swap cache
[  409.669876]  ? warn_alloc+0x120/0x120
[  409.673759] Swap cache stats: add 0, delete 0, find 0/0
[  409.677561]  ? print_usage_bug+0xc0/0xc0
[  409.680994] Free swap  = 0kB
[  409.684784]  ? kvm_clock_read+0x18/0x30
[  409.690143] Total swap = 0kB
[  409.694191]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  409.697198] 1965979 pages RAM
[  409.701182]  ? print_usage_bug+0xc0/0xc0
[  409.704175] 0 pages HighMem/MovableOnly
[  409.709178]  ? __lock_acquire+0x62f/0x4c20
[  409.712251] 342853 pages reserved
[  409.716299]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.720239] 0 pages cma reserved
[  409.724459]  ? should_fail+0x22d/0xd01
[  409.728051] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  409.733416]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  409.736754] ksoftirqd/0 cpuset=/ mems_allowed=0
[  409.740632]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  409.765940]  ? __lock_acquire+0x62f/0x4c20
[  409.770180]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  409.775291]  ? __lock_acquire+0x62f/0x4c20
[  409.779538]  ? should_fail+0x22d/0xd01
[  409.783427]  ? rcu_irq_exit+0x1a2/0x390
[  409.787413]  ? mark_held_locks+0x130/0x130
[  409.791655]  ? mark_held_locks+0x130/0x130
[  409.795900]  ? mark_held_locks+0xc7/0x130
[  409.800050]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  409.805076]  ? zap_class+0x640/0x640
[  409.808795]  ? print_usage_bug+0xc0/0xc0
[  409.812862]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.818400]  ? check_preemption_disabled+0x48/0x280
[  409.823438]  ? __lock_is_held+0xb5/0x140
[  409.827510]  __alloc_pages_nodemask+0xa80/0xde0
[  409.832202]  ? zap_class+0x640/0x640
[  409.835923]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  409.840955]  ? find_held_lock+0x36/0x1c0
[  409.845031]  ? ____cache_alloc_node+0x1c7/0x1e0
[  409.849729]  ? lock_downgrade+0x900/0x900
[  409.853885]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.859430]  cache_grow_begin+0xa5/0x8c0
[  409.863493]  ? do_raw_spin_unlock+0xa7/0x330
[  409.867934]  fallback_alloc+0x204/0x2e0
[  409.871918]  ____cache_alloc_node+0x1c7/0x1e0
[  409.876420]  kmem_cache_alloc_node+0xe3/0x730
[  409.880917]  ? ipv6_get_ifaddr+0x42e/0x620
[  409.885169]  __alloc_skb+0x119/0x770
[  409.888882]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  409.894185]  ? netdev_alloc_frag+0x1f0/0x1f0
[  409.898599]  ? lock_downgrade+0x900/0x900
[  409.902755]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.908298]  ? refcount_sub_and_test_checked+0x203/0x310
[  409.913755]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  409.919220]  ? addrconf_rs_timer+0x690/0x690
[  409.923659]  ndisc_alloc_skb+0x144/0x340
[  409.927726]  ndisc_send_rs+0x331/0x6e0
[  409.931639]  addrconf_rs_timer+0x314/0x690
[  409.935883]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  409.940142]  call_timer_fn+0x272/0x920
[  409.944031]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  409.948269]  ? process_timeout+0x40/0x40
[  409.952347]  ? mark_held_locks+0xc7/0x130
[  409.956496]  ? _raw_spin_unlock_irq+0x27/0x80
[  409.961012]  ? _raw_spin_unlock_irq+0x27/0x80
[  409.965505]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  409.969765]  ? lockdep_hardirqs_on+0x296/0x5b0
[  409.974348]  ? trace_hardirqs_on+0xbd/0x310
[  409.978672]  ? kasan_check_read+0x11/0x20
[  409.982814]  ? __run_timers+0x7da/0xc70
[  409.986787]  ? trace_hardirqs_off_caller+0x310/0x310
[  409.991904]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  409.996137]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  410.000364]  __run_timers+0x7e5/0xc70
[  410.004168]  ? timer_fixup_init+0x70/0x70
[  410.008320]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  410.013330]  ? zap_class+0x640/0x640
[  410.017068]  ? print_usage_bug+0xc0/0xc0
[  410.021144]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  410.026329]  ? find_held_lock+0x36/0x1c0
[  410.030399]  ? zap_class+0x640/0x640
[  410.034124]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.039654]  ? check_preemption_disabled+0x48/0x280
[  410.044689]  ? __lock_is_held+0xb5/0x140
[  410.048861]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.054408]  ? check_preemption_disabled+0x48/0x280
[  410.059419]  run_timer_softirq+0x52/0xb0
[  410.063469]  ? rcu_read_lock_sched_held+0x14f/0x180
[  410.068569]  __do_softirq+0x308/0xb7e
[  410.072391]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  410.076879]  ? lock_downgrade+0x900/0x900
[  410.081040]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  410.086189]  ? pvclock_read_flags+0x160/0x160
[  410.090699]  ? lapic_next_event+0x5a/0x90
[  410.094849]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.100391]  ? kvm_clock_read+0x18/0x30
[  410.104367]  ? kvm_sched_clock_read+0x9/0x20
[  410.108777]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.114316]  ? check_preemption_disabled+0x48/0x280
[  410.119354]  irq_exit+0x17f/0x1c0
[  410.122829]  smp_apic_timer_interrupt+0x1cb/0x760
[  410.127671]  ? smp_reschedule_interrupt+0x109/0x650
[  410.132697]  ? smp_call_function_single_interrupt+0x650/0x650
[  410.138583]  ? interrupt_entry+0xb5/0xc0
[  410.142650]  ? trace_hardirqs_off_caller+0xbb/0x310
[  410.147664]  ? trace_hardirqs_off_caller+0xbb/0x310
[  410.152689]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  410.157543]  ? trace_hardirqs_on_caller+0x310/0x310
[  410.162592]  ? trace_hardirqs_on_caller+0x310/0x310
[  410.167622]  ? task_prio+0x50/0x50
[  410.171206]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.176749]  ? check_preemption_disabled+0x48/0x280
[  410.181779]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  410.186633]  apic_timer_interrupt+0xf/0x20
[  410.190892]  </IRQ>
[  410.193147] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  410.198340] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec
[  410.217496] RSP: 0018:ffff8801c2d36100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  410.225314] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100385b2de6
[  410.232583] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c2d96ebc
[  410.239847] RBP: ffff8801c2d36128 R08: ffff8801c2d96f30 R09: 0000000000000006
[  410.247128] R10: 0000000000000000 R11: ffff8801c2d96640 R12: dffffc0000000000
[  410.254392] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  410.261685]  retint_kernel+0x1b/0x2d
[  410.265400] RIP: 0010:dump_stack+0x358/0x39d
[  410.269811] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  410.288709] RSP: 0018:ffff8801c2d361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  410.296413] RAX: ffff8801c2d96640 RBX: 1ffffffff12a3f76 RCX: 1ffff100385b2de6
[  410.303680] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  410.310961] RBP: ffff8801c2d36290 R08: ffff8801c2d96f30 R09: 0000000000000006
[  410.318226] R10: 0000000000000000 R11: ffff8801c2d96640 R12: 1ffff100385a6c45
[  410.325490] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  410.332782]  ? dump_stack+0x34f/0x39d
[  410.336600]  ? dump_stack_print_info.cold.1+0x20/0x20
[  410.341807]  ? mark_held_locks+0x130/0x130
[  410.346043]  ? mark_held_locks+0x130/0x130
[  410.350286]  dump_header+0x27b/0xf72
[  410.354006]  ? pagefault_out_of_memory+0x197/0x197
[  410.358936]  ? __lock_acquire+0x62f/0x4c20
[  410.363178]  ? percpu_ref_get_many+0x240/0x240
[  410.367761]  ? print_usage_bug+0xc0/0xc0
[  410.371838]  ? zap_class+0x640/0x640
[  410.375581]  ? print_usage_bug+0xc0/0xc0
[  410.379644]  ? print_usage_bug+0xc0/0xc0
[  410.383711]  ? zap_class+0x640/0x640
[  410.387437]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.392973]  ? find_held_lock+0x36/0x1c0
[  410.397049]  ? mark_held_locks+0xc7/0x130
[  410.401191]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  410.406303]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  410.411404]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  410.415988]  ? trace_hardirqs_on+0xbd/0x310
[  410.420341]  ? kasan_check_read+0x11/0x20
[  410.424494]  ? ___ratelimit+0x3b4/0x672
[  410.428469]  ? trace_hardirqs_off_caller+0x310/0x310
[  410.433598]  ? trace_hardirqs_on+0x310/0x310
[  410.438018]  ? lock_downgrade+0x900/0x900
[  410.442165]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  410.447298]  ? ___ratelimit+0x3b9/0x672
[  410.451272]  ? idr_get_free+0xf70/0xf70
[  410.455261]  ? find_held_lock+0x36/0x1c0
[  410.459330]  oom_kill_process.cold.27+0x10/0x903
[  410.464099]  ? zap_class+0x640/0x640
[  410.467810]  ? check_preemption_disabled+0x48/0x280
[  410.472823]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  410.477777]  ? kasan_check_read+0x11/0x20
[  410.481936]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  410.487232]  ? oom_evaluate_task+0x540/0x540
[  410.491638]  ? find_held_lock+0x36/0x1c0
[  410.495699]  ? out_of_memory+0x974/0x1430
[  410.499843]  ? lock_downgrade+0x900/0x900
[  410.504002]  ? check_preemption_disabled+0x48/0x280
[  410.509043]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  410.513964]  ? kasan_check_read+0x11/0x20
[  410.518101]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  410.523369]  ? rcu_softirq_qs+0x20/0x20
[  410.527374]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  410.532915]  ? oom_evaluate_task+0x302/0x540
[  410.537322]  out_of_memory+0xa84/0x1430
[  410.541299]  ? oom_killer_disable+0x3a0/0x3a0
[  410.545819]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  410.550762]  ? __ww_mutex_check_waiters+0x160/0x160
[  410.555798]  __alloc_pages_slowpath+0x2354/0x2e10
[  410.560718]  ? warn_alloc+0x120/0x120
[  410.564529]  ? mark_held_locks+0x130/0x130
[  410.568773]  ? find_get_entry+0xaae/0x1120
[  410.573028]  ? filemap_map_pages+0x1a20/0x1a20
[  410.577615]  ? zap_class+0x640/0x640
[  410.581331]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.586861]  ? check_preemption_disabled+0x48/0x280
[  410.591873]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  410.597403]  ? should_fail+0x22d/0xd01
[  410.601289]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  410.606394]  ? zap_class+0x640/0x640
[  410.610137]  ? __lock_is_held+0xb5/0x140
[  410.614194]  ? mark_held_locks+0x130/0x130
[  410.618421]  ? lock_release+0xa00/0xa00
[  410.622490]  ? perf_trace_sched_process_exec+0x860/0x860
[  410.627928]  ? xa_load+0x2ba/0x460
[  410.631458]  ? lock_downgrade+0x900/0x900
[  410.635601]  ? __might_sleep+0x95/0x190
[  410.639585]  __alloc_pages_nodemask+0xa80/0xde0
[  410.644245]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  410.649262]  ? __page_cache_alloc+0x191/0x5c0
[  410.653796]  ? xa_load+0x2e1/0x460
[  410.657329]  ? xa_clear_mark+0x40/0x40
[  410.661227]  ? zap_class+0x640/0x640
[  410.664959]  ? zap_class+0x640/0x640
[  410.668675]  ? zap_class+0x640/0x640
[  410.672387]  ? __do_page_cache_readahead+0x663/0x810
[  410.677482]  ? find_held_lock+0x36/0x1c0
[  410.681654]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  410.687205]  alloc_pages_current+0x173/0x350
[  410.691607]  __page_cache_alloc+0x38c/0x5c0
[  410.695917]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  410.700883]  ? kasan_check_read+0x11/0x20
[  410.705026]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  410.710320]  ? generic_perform_write+0x6a0/0x6a0
[  410.715079]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  410.720612]  ? check_preemption_disabled+0x48/0x280
[  410.725624]  filemap_fault+0x1595/0x25f0
[  410.729719]  ? __lock_page_or_retry+0xa00/0xa00
[  410.734398]  ? mark_held_locks+0x130/0x130
[  410.738627]  ? filemap_map_pages+0xd6b/0x1a20
[  410.743124]  ? lock_downgrade+0x900/0x900
[  410.747264]  ? check_preemption_disabled+0x48/0x280
[  410.752743]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  410.757667]  ? kasan_check_read+0x11/0x20
[  410.761813]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  410.767116]  ? rcu_softirq_qs+0x20/0x20
[  410.771100]  ? filemap_map_pages+0xd92/0x1a20
[  410.775619]  ? find_get_entries_tag+0x1400/0x1400
[  410.780477]  ? find_held_lock+0x36/0x1c0
[  410.784560]  ? lock_acquire+0x1ed/0x520
[  410.788535]  ? ext4_filemap_fault+0x7a/0xad
[  410.792892]  ? lock_release+0xa00/0xa00
[  410.796887]  ? perf_trace_sched_process_exec+0x860/0x860
[  410.802331]  ? print_usage_bug+0xc0/0xc0
[  410.806398]  ? down_read+0x8d/0x120
[  410.810019]  ? ext4_filemap_fault+0x7a/0xad
[  410.814331]  ? __down_interruptible+0x700/0x700
[  410.818994]  ? find_held_lock+0x36/0x1c0
[  410.823056]  ext4_filemap_fault+0x82/0xad
[  410.827198]  __do_fault+0x100/0x6b0
[  410.830818]  ? lock_downgrade+0x900/0x900
[  410.834974]  ? pmd_devmap_trans_unstable+0x220/0x220
[  410.840109]  ? kasan_check_read+0x11/0x20
[  410.844248]  ? do_raw_spin_unlock+0xa7/0x330
[  410.848646]  ? do_raw_spin_trylock+0x270/0x270
[  410.853246]  __handle_mm_fault+0x3ea0/0x5be0
[  410.857663]  ? perf_trace_lock+0x7a0/0x7a0
[  410.861896]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  410.866778]  ? zap_class+0x640/0x640
[  410.870481]  ? zap_class+0x640/0x640
[  410.874183]  ? __x64_sys_futex+0x53e/0x6a0
[  410.878410]  ? find_held_lock+0x36/0x1c0
[  410.882466]  ? handle_mm_fault+0x42a/0xc70
[  410.886709]  ? lock_downgrade+0x900/0x900
[  410.890878]  ? check_preemption_disabled+0x48/0x280
[  410.895934]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  410.900853]  ? kasan_check_read+0x11/0x20
[  410.904994]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  410.910283]  ? rcu_softirq_qs+0x20/0x20
[  410.914269]  ? trace_hardirqs_off_caller+0x310/0x310
[  410.919373]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  410.924907]  ? check_preemption_disabled+0x48/0x280
[  410.929928]  handle_mm_fault+0x54f/0xc70
[  410.934038]  ? __handle_mm_fault+0x5be0/0x5be0
[  410.938639]  ? find_vma+0x34/0x190
[  410.942185]  __do_page_fault+0x5e8/0xe60
[  410.946255]  ? trace_hardirqs_off+0xb8/0x310
[  410.950669]  ? kernel_write+0x120/0x120
[  410.954651]  do_page_fault+0xf2/0x7e0
[  410.958450]  ? vmalloc_sync_all+0x30/0x30
[  410.962596]  ? error_entry+0x70/0xd0
[  410.966314]  ? trace_hardirqs_off_caller+0xbb/0x310
[  410.971325]  ? trace_hardirqs_on_caller+0xc0/0x310
[  410.976253]  ? syscall_return_slowpath+0x5e0/0x5e0
[  410.981183]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  410.986043]  ? trace_hardirqs_on_caller+0x310/0x310
[  410.991058]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  410.996531]  ? prepare_exit_to_usermode+0x291/0x3b0
[  411.001566]  ? page_fault+0x8/0x30
[  411.005106]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  411.009982]  ? page_fault+0x8/0x30
[  411.013528]  page_fault+0x1e/0x30
[  411.016977] RIP: 0033:0x404068
[  411.020174] Code: Bad RIP value.
[  411.023538] RSP: 002b:000000c420024e48 EFLAGS: 00010206
[  411.028894] RAX: 000000c422dd4cc0 RBX: 000000c42875f801 RCX: 000000c424d31838
[  411.036190] RDX: 000000c422dd4cc0 RSI: 0000000000000001 RDI: 0000000000000001
[  411.043451] RBP: 000000c420024ed8 R08: 00007ffd3a9b40b0 R09: 00007ffd3a9b4080
[  411.050712] R10: 000000000000eacc R11: 0000000000000165 R12: 0000000000000001
[  411.057975] R13: 000000c4271c3620 R14: 0000000000000001 R15: 0000000000000000
[  411.065323] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #83
[  411.065404] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  411.072101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  411.072109] Call Trace:
[  411.078658] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  411.087928]  dump_stack+0x244/0x39d
[  411.090485] syz-fuzzer cpuset=/ mems_allowed=0
[  411.100695]  ? dump_stack_print_info.cold.1+0x20/0x20
[  411.114042]  warn_alloc.cold.116+0xb7/0x1bd
[  411.118367]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  411.123213]  ? lock_downgrade+0x900/0x900
[  411.127361]  ? trace_hardirqs_off+0xb8/0x310
[  411.131764]  ? trace_hardirqs_off+0xb8/0x310
[  411.136180]  __alloc_pages_slowpath+0x26e8/0x2e10
[  411.141076]  ? warn_alloc+0x120/0x120
[  411.144895]  ? warn_alloc+0x120/0x120
[  411.148712]  ? warn_alloc+0x120/0x120
[  411.152507]  ? trace_hardirqs_off+0xb8/0x310
[  411.156966]  ? print_usage_bug+0xc0/0xc0
[  411.161056]  ? print_usage_bug+0xc0/0xc0
[  411.165119]  ? __lock_acquire+0x62f/0x4c20
[  411.169350]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  411.174894]  ? should_fail+0x22d/0xd01
[  411.178829]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  411.183945]  ? __lock_acquire+0x62f/0x4c20
[  411.188190]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  411.193296]  ? __lock_acquire+0x62f/0x4c20
[  411.197530]  ? should_fail+0x22d/0xd01
[  411.201422]  ? mark_held_locks+0x130/0x130
[  411.205652]  ? mark_held_locks+0x130/0x130
[  411.209887]  ? zap_class+0x640/0x640
[  411.213589]  ? ret_from_fork+0x3a/0x50
[  411.217516]  ? __lock_acquire+0x62f/0x4c20
[  411.221751]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.227299]  ? check_preemption_disabled+0x48/0x280
[  411.232331]  ? __lock_is_held+0xb5/0x140
[  411.236389]  __alloc_pages_nodemask+0xa80/0xde0
[  411.241047]  ? zap_class+0x640/0x640
[  411.244757]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  411.249800]  ? find_held_lock+0x36/0x1c0
[  411.253908]  ? ____cache_alloc_node+0x1c7/0x1e0
[  411.258567]  ? lock_downgrade+0x900/0x900
[  411.262728]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.268280]  cache_grow_begin+0xa5/0x8c0
[  411.272353]  ? do_raw_spin_unlock+0xa7/0x330
[  411.276760]  fallback_alloc+0x204/0x2e0
[  411.280736]  ____cache_alloc_node+0x1c7/0x1e0
[  411.285227]  kmem_cache_alloc_node+0xe3/0x730
[  411.289730]  ? mark_held_locks+0xc7/0x130
[  411.293894]  __alloc_skb+0x119/0x770
[  411.297617]  ? netdev_alloc_frag+0x1f0/0x1f0
[  411.302014]  ? do_raw_spin_trylock+0x270/0x270
[  411.306638]  ? kmem_cache_alloc_trace+0x353/0x750
[  411.311473]  ? queue_work_on+0x12c/0x1e0
[  411.315548]  ? switchdev_port_obj_del+0xdc/0x440
[  411.320332]  ? switchdev_trans_item_enqueue+0x260/0x260
[  411.325690]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  411.330702]  __br_mdb_notify+0x4ff/0x15d0
[  411.334844]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  411.339944]  ? __br_mdb_add+0x7f0/0x7f0
[  411.343916]  ? mark_held_locks+0x130/0x130
[  411.348164]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  411.353263]  ? debug_object_assert_init+0x368/0x4b0
[  411.358279]  ? debug_object_init_on_stack+0x20/0x20
[  411.363309]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.368848]  br_mdb_notify+0x310/0x410
[  411.372746]  ? br_mdb_dump+0x27b0/0x27b0
[  411.376831]  br_multicast_del_pg+0x3df/0x790
[  411.381256]  ? br_mdb_ip_get+0x940/0x940
[  411.385316]  ? rwlock_bug.part.2+0x90/0x90
[  411.389557]  ? __lock_is_held+0xb5/0x140
[  411.393634]  br_multicast_port_group_expired+0x189/0x1e0
[  411.399079]  call_timer_fn+0x272/0x920
[  411.402975]  ? br_multicast_del_pg+0x790/0x790
[  411.407568]  ? process_timeout+0x40/0x40
[  411.411664]  ? __run_timers+0x7da/0xc70
[  411.415674]  ? _raw_spin_unlock_irq+0x27/0x80
[  411.420161]  ? _raw_spin_unlock_irq+0x27/0x80
[  411.424653]  ? br_multicast_del_pg+0x790/0x790
[  411.429261]  ? lockdep_hardirqs_on+0x296/0x5b0
[  411.433840]  ? trace_hardirqs_on+0xbd/0x310
[  411.438155]  ? kasan_check_read+0x11/0x20
[  411.442293]  ? __run_timers+0x7da/0xc70
[  411.446263]  ? trace_hardirqs_off_caller+0x310/0x310
[  411.451370]  ? br_multicast_del_pg+0x790/0x790
[  411.455956]  ? br_multicast_del_pg+0x790/0x790
[  411.460546]  __run_timers+0x7e5/0xc70
[  411.464353]  ? timer_fixup_init+0x70/0x70
[  411.468494]  ? _raw_spin_unlock_irq+0x27/0x80
[  411.473001]  ? _raw_spin_unlock_irq+0x27/0x80
[  411.477541]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  411.482128]  ? trace_hardirqs_on+0xbd/0x310
[  411.486442]  ? kasan_check_read+0x11/0x20
[  411.490587]  ? finish_task_switch+0x1f4/0x910
[  411.495081]  ? trace_hardirqs_off_caller+0x310/0x310
[  411.500181]  ? compat_start_thread+0x80/0x80
[  411.504603]  ? pvclock_read_flags+0x160/0x160
[  411.509102]  ? __switch_to_asm+0x34/0x70
[  411.513190]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.518724]  ? check_preemption_disabled+0x48/0x280
[  411.523743]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  411.529285]  ? rcu_pm_notify+0xc0/0xc0
[  411.533180]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.538742]  ? check_preemption_disabled+0x48/0x280
[  411.543761]  run_timer_softirq+0x52/0xb0
[  411.547828]  ? rcu_read_lock_sched_held+0x14f/0x180
[  411.552839]  __do_softirq+0x308/0xb7e
[  411.556642]  ? trace_hardirqs_on_caller+0xc0/0x310
[  411.561587]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  411.566703]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  411.572153]  ? schedule+0x108/0x460
[  411.575831]  ? trace_hardirqs_off+0xb8/0x310
[  411.580236]  ? smpboot_thread_fn+0x68b/0xa00
[  411.584638]  ? trace_hardirqs_on+0x310/0x310
[  411.589057]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  411.594595]  ? check_preemption_disabled+0x48/0x280
[  411.599621]  ? takeover_tasklets+0xa90/0xa90
[  411.604059]  run_ksoftirqd+0x5e/0x100
[  411.607853]  smpboot_thread_fn+0x68b/0xa00
[  411.612084]  ? sort_range+0x30/0x30
[  411.615706]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  411.620810]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  411.626348]  ? __kthread_parkme+0xfb/0x1a0
[  411.630585]  ? sort_range+0x30/0x30
[  411.634244]  kthread+0x35a/0x440
[  411.637624]  ? kthread_stop+0x900/0x900
[  411.641593]  ret_from_fork+0x3a/0x50
[  411.645333] CPU: 1 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  411.645338] warn_alloc_show_mem: 1 callbacks suppressed
[  411.645344] Mem-Info:
[  411.652288] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  411.657683] active_anon:44321 inactive_anon:2061 isolated_anon:0
[  411.657683]  active_file:14 inactive_file:14 isolated_file:0
[  411.657683]  unevictable:0 dirty:0 writeback:0 unstable:0
[  411.657683]  slab_reclaimable:9437 slab_unreclaimable:1460937
[  411.657683]  mapped:49154 shmem:2105 pagetables:642 bounce:0
[  411.657683]  free:13638 free_pcp:328 free_cma:0
[  411.660065] Call Trace:
[  411.669469] Node 0 active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8420kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  411.702481]  <IRQ>
[  411.705051] 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
[  411.732667]  dump_stack+0x244/0x39d
[  411.734800] lowmem_reserve[]: 0 2818 6321 6321
[  411.760915]  ? dump_stack_print_info.cold.1+0x20/0x20
[  411.764526] Node 0 DMA32 free:24708kB 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
[  411.769111]  warn_alloc.cold.116+0xb7/0x1bd
[  411.774285] lowmem_reserve[]: 0 0 3503 3503
[  411.801787]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  411.806087] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2568kB bounce:0kB free_pcp:1064kB local_pcp:692kB free_cma:0kB
[  411.810416]  ? lock_downgrade+0x900/0x900
[  411.815232] lowmem_reserve[]: 0 0 0 0
[  411.844299]  ? trace_hardirqs_off+0xb8/0x310
[  411.848422] 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
[  411.852218]  ? trace_hardirqs_off+0xb8/0x310
[  411.856602] Node 0 DMA32: 5*4kB (UM) 2*8kB (MH) 2*16kB (MH) 4*32kB (MH) 3*64kB (M) 2*128kB (M) 4*256kB (UMH) 3*512kB (UM) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24708kB
[  411.870124]  __alloc_pages_slowpath+0x26e8/0x2e10
[  411.874501] Node 0 Normal: 930*4kB (MEH) 535*8kB (UMEH) 215*16kB (UME) 80*32kB (UMH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  411.890040]  ? warn_alloc+0x120/0x120
[  411.894840] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  411.908606]  ? print_usage_bug+0xc0/0xc0
[  411.912390] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  411.921205]  ? warn_alloc+0x120/0x120
[  411.925242] 2133 total pagecache pages
[  411.933802]  ? warn_alloc+0x120/0x120
[  411.937577] 0 pages in swap cache
[  411.941460]  ? print_usage_bug+0xc0/0xc0
[  411.945248] Swap cache stats: add 0, delete 0, find 0/0
[  411.948687]  ? kvm_clock_read+0x18/0x30
[  411.952717] Free swap  = 0kB
[  411.958155]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  411.962097] Total swap = 0kB
[  411.965120]  ? print_usage_bug+0xc0/0xc0
[  411.970156] 1965979 pages RAM
[  411.973163]  ? __lock_acquire+0x62f/0x4c20
[  411.977206] 0 pages HighMem/MovableOnly
[  411.980300]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  411.984505] 342853 pages reserved
[  411.988485]  ? should_fail+0x22d/0xd01
[  411.994012] 0 pages cma reserved
[  411.997452]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  412.001492] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  412.004664]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  412.004679]  ? __lock_acquire+0x62f/0x4c20
[  412.010155] ksoftirqd/0 cpuset=/ mems_allowed=0
[  412.020456]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  412.020469]  ? __lock_acquire+0x62f/0x4c20
[  412.043884]  ? should_fail+0x22d/0xd01
[  412.047766]  ? rcu_irq_exit+0x1a2/0x390
[  412.051743]  ? mark_held_locks+0x130/0x130
[  412.055991]  ? mark_held_locks+0x130/0x130
[  412.060222]  ? mark_held_locks+0xc7/0x130
[  412.064365]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  412.069389]  ? zap_class+0x640/0x640
[  412.073096]  ? print_usage_bug+0xc0/0xc0
[  412.077151]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.082774]  ? check_preemption_disabled+0x48/0x280
[  412.087790]  ? __lock_is_held+0xb5/0x140
[  412.091849]  __alloc_pages_nodemask+0xa80/0xde0
[  412.096509]  ? zap_class+0x640/0x640
[  412.100246]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  412.105289]  ? find_held_lock+0x36/0x1c0
[  412.109376]  ? ____cache_alloc_node+0x1c7/0x1e0
[  412.114039]  ? lock_downgrade+0x900/0x900
[  412.118241]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.123779]  cache_grow_begin+0xa5/0x8c0
[  412.127843]  ? do_raw_spin_unlock+0xa7/0x330
[  412.132277]  fallback_alloc+0x204/0x2e0
[  412.136315]  ____cache_alloc_node+0x1c7/0x1e0
[  412.140810]  kmem_cache_alloc_node+0xe3/0x730
[  412.145421]  ? ipv6_get_ifaddr+0x42e/0x620
[  412.149659]  __alloc_skb+0x119/0x770
[  412.153363]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  412.158635]  ? netdev_alloc_frag+0x1f0/0x1f0
[  412.163083]  ? lock_downgrade+0x900/0x900
[  412.167269]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.172816]  ? refcount_sub_and_test_checked+0x203/0x310
[  412.178262]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  412.183733]  ? addrconf_rs_timer+0x690/0x690
[  412.188204]  ndisc_alloc_skb+0x144/0x340
[  412.192262]  ndisc_send_rs+0x331/0x6e0
[  412.196150]  addrconf_rs_timer+0x314/0x690
[  412.200382]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  412.204636]  call_timer_fn+0x272/0x920
[  412.208516]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  412.212751]  ? process_timeout+0x40/0x40
[  412.216831]  ? mark_held_locks+0xc7/0x130
[  412.220999]  ? _raw_spin_unlock_irq+0x27/0x80
[  412.225481]  ? _raw_spin_unlock_irq+0x27/0x80
[  412.229992]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  412.234253]  ? lockdep_hardirqs_on+0x296/0x5b0
[  412.238871]  ? trace_hardirqs_on+0xbd/0x310
[  412.243188]  ? kasan_check_read+0x11/0x20
[  412.247332]  ? __run_timers+0x7da/0xc70
[  412.251339]  ? trace_hardirqs_off_caller+0x310/0x310
[  412.256458]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  412.260697]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  412.264926]  __run_timers+0x7e5/0xc70
[  412.268733]  ? timer_fixup_init+0x70/0x70
[  412.272884]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  412.277905]  ? zap_class+0x640/0x640
[  412.281625]  ? print_usage_bug+0xc0/0xc0
[  412.285691]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  412.290886]  ? find_held_lock+0x36/0x1c0
[  412.294949]  ? zap_class+0x640/0x640
[  412.298665]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.304203]  ? check_preemption_disabled+0x48/0x280
[  412.309262]  ? __lock_is_held+0xb5/0x140
[  412.313342]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.318881]  ? check_preemption_disabled+0x48/0x280
[  412.323900]  run_timer_softirq+0x52/0xb0
[  412.327961]  ? rcu_read_lock_sched_held+0x14f/0x180
[  412.332982]  __do_softirq+0x308/0xb7e
[  412.336793]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  412.341291]  ? lock_downgrade+0x900/0x900
[  412.345440]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  412.350554]  ? pvclock_read_flags+0x160/0x160
[  412.355068]  ? lapic_next_event+0x5a/0x90
[  412.359235]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.364778]  ? kvm_clock_read+0x18/0x30
[  412.368752]  ? kvm_sched_clock_read+0x9/0x20
[  412.373166]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.378711]  ? check_preemption_disabled+0x48/0x280
[  412.383733]  irq_exit+0x17f/0x1c0
[  412.387191]  smp_apic_timer_interrupt+0x1cb/0x760
[  412.392034]  ? smp_reschedule_interrupt+0x109/0x650
[  412.397049]  ? smp_call_function_single_interrupt+0x650/0x650
[  412.402929]  ? interrupt_entry+0xb5/0xc0
[  412.406989]  ? trace_hardirqs_off_caller+0xbb/0x310
[  412.412004]  ? trace_hardirqs_off_caller+0xbb/0x310
[  412.417034]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  412.421879]  ? trace_hardirqs_on_caller+0x310/0x310
[  412.426908]  ? trace_hardirqs_on_caller+0x310/0x310
[  412.431923]  ? task_prio+0x50/0x50
[  412.435462]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.441000]  ? check_preemption_disabled+0x48/0x280
[  412.446021]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  412.450866]  apic_timer_interrupt+0xf/0x20
[  412.455094]  </IRQ>
[  412.457335] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  412.462530] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec
[  412.481423] RSP: 0018:ffff8801c2d36100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  412.489134] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100385b2de6
[  412.496399] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c2d96ebc
[  412.503676] RBP: ffff8801c2d36128 R08: ffff8801c2d96f30 R09: 0000000000000006
[  412.510944] R10: 0000000000000000 R11: ffff8801c2d96640 R12: dffffc0000000000
[  412.518217] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  412.525516]  retint_kernel+0x1b/0x2d
[  412.529264] RIP: 0010:dump_stack+0x358/0x39d
[  412.533705] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  412.552617] RSP: 0018:ffff8801c2d361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  412.560341] RAX: ffff8801c2d96640 RBX: 1ffffffff12a3f76 RCX: 1ffff100385b2de6
[  412.567609] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  412.574876] RBP: ffff8801c2d36290 R08: ffff8801c2d96f30 R09: 0000000000000006
[  412.582146] R10: 0000000000000000 R11: ffff8801c2d96640 R12: 1ffff100385a6c45
[  412.589429] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  412.596718]  ? dump_stack+0x34f/0x39d
[  412.600558]  ? dump_stack_print_info.cold.1+0x20/0x20
[  412.605755]  ? mark_held_locks+0x130/0x130
[  412.610001]  ? mark_held_locks+0x130/0x130
[  412.614250]  dump_header+0x27b/0xf72
[  412.617992]  ? pagefault_out_of_memory+0x197/0x197
[  412.623047]  ? __lock_acquire+0x62f/0x4c20
[  412.627301]  ? percpu_ref_get_many+0x240/0x240
[  412.631889]  ? print_usage_bug+0xc0/0xc0
[  412.635958]  ? zap_class+0x640/0x640
[  412.639675]  ? print_usage_bug+0xc0/0xc0
[  412.643738]  ? print_usage_bug+0xc0/0xc0
[  412.647803]  ? zap_class+0x640/0x640
[  412.651531]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.657090]  ? find_held_lock+0x36/0x1c0
[  412.661161]  ? mark_held_locks+0xc7/0x130
[  412.665313]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  412.670446]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  412.675556]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  412.680153]  ? trace_hardirqs_on+0xbd/0x310
[  412.684480]  ? kasan_check_read+0x11/0x20
[  412.688630]  ? ___ratelimit+0x3b4/0x672
[  412.692608]  ? trace_hardirqs_off_caller+0x310/0x310
[  412.697715]  ? trace_hardirqs_on+0x310/0x310
[  412.702127]  ? lock_downgrade+0x900/0x900
[  412.706300]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  412.711407]  ? ___ratelimit+0x3b9/0x672
[  412.715383]  ? idr_get_free+0xf70/0xf70
[  412.719372]  ? find_held_lock+0x36/0x1c0
[  412.723448]  oom_kill_process.cold.27+0x10/0x903
[  412.728221]  ? zap_class+0x640/0x640
[  412.731936]  ? check_preemption_disabled+0x48/0x280
[  412.736960]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  412.741888]  ? kasan_check_read+0x11/0x20
[  412.746036]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  412.751789]  ? oom_evaluate_task+0x540/0x540
[  412.756205]  ? find_held_lock+0x36/0x1c0
[  412.760288]  ? out_of_memory+0x974/0x1430
[  412.764436]  ? lock_downgrade+0x900/0x900
[  412.768582]  ? check_preemption_disabled+0x48/0x280
[  412.773597]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  412.778526]  ? kasan_check_read+0x11/0x20
[  412.782712]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  412.788011]  ? rcu_softirq_qs+0x20/0x20
[  412.791998]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  412.797532]  ? oom_evaluate_task+0x302/0x540
[  412.801938]  out_of_memory+0xa84/0x1430
[  412.805930]  ? oom_killer_disable+0x3a0/0x3a0
[  412.810433]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  412.815360]  ? __ww_mutex_check_waiters+0x160/0x160
[  412.820383]  __alloc_pages_slowpath+0x2354/0x2e10
[  412.825276]  ? warn_alloc+0x120/0x120
[  412.829074]  ? mark_held_locks+0x130/0x130
[  412.833308]  ? find_get_entry+0xaae/0x1120
[  412.837568]  ? filemap_map_pages+0x1a20/0x1a20
[  412.842179]  ? zap_class+0x640/0x640
[  412.845906]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.851434]  ? check_preemption_disabled+0x48/0x280
[  412.856442]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  412.861997]  ? should_fail+0x22d/0xd01
[  412.865896]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  412.870995]  ? zap_class+0x640/0x640
[  412.874738]  ? __lock_is_held+0xb5/0x140
[  412.878794]  ? mark_held_locks+0x130/0x130
[  412.883025]  ? lock_release+0xa00/0xa00
[  412.887029]  ? perf_trace_sched_process_exec+0x860/0x860
[  412.892471]  ? xa_load+0x2ba/0x460
[  412.896016]  ? lock_downgrade+0x900/0x900
[  412.900174]  ? __might_sleep+0x95/0x190
[  412.904174]  __alloc_pages_nodemask+0xa80/0xde0
[  412.908877]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  412.913899]  ? __page_cache_alloc+0x191/0x5c0
[  412.918418]  ? xa_load+0x2e1/0x460
[  412.921967]  ? xa_clear_mark+0x40/0x40
[  412.925866]  ? zap_class+0x640/0x640
[  412.929627]  ? zap_class+0x640/0x640
[  412.933346]  ? zap_class+0x640/0x640
[  412.937078]  ? __do_page_cache_readahead+0x663/0x810
[  412.942194]  ? find_held_lock+0x36/0x1c0
[  412.946266]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  412.951822]  alloc_pages_current+0x173/0x350
[  412.956249]  __page_cache_alloc+0x38c/0x5c0
[  412.960566]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  412.965499]  ? kasan_check_read+0x11/0x20
[  412.969662]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  412.974946]  ? generic_perform_write+0x6a0/0x6a0
[  412.979696]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  412.985239]  ? check_preemption_disabled+0x48/0x280
[  412.990252]  filemap_fault+0x1595/0x25f0
[  412.994328]  ? __lock_page_or_retry+0xa00/0xa00
[  412.999008]  ? mark_held_locks+0x130/0x130
[  413.003258]  ? filemap_map_pages+0xd6b/0x1a20
[  413.007763]  ? lock_downgrade+0x900/0x900
[  413.011915]  ? check_preemption_disabled+0x48/0x280
[  413.016928]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  413.021875]  ? kasan_check_read+0x11/0x20
[  413.026026]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  413.031309]  ? rcu_softirq_qs+0x20/0x20
[  413.035292]  ? filemap_map_pages+0xd92/0x1a20
[  413.039789]  ? find_get_entries_tag+0x1400/0x1400
[  413.044631]  ? find_held_lock+0x36/0x1c0
[  413.048701]  ? lock_acquire+0x1ed/0x520
[  413.052667]  ? ext4_filemap_fault+0x7a/0xad
[  413.057001]  ? lock_release+0xa00/0xa00
[  413.061014]  ? perf_trace_sched_process_exec+0x860/0x860
[  413.066472]  ? print_usage_bug+0xc0/0xc0
[  413.070556]  ? down_read+0x8d/0x120
[  413.074189]  ? ext4_filemap_fault+0x7a/0xad
[  413.078537]  ? __down_interruptible+0x700/0x700
[  413.083199]  ? find_held_lock+0x36/0x1c0
[  413.087354]  ext4_filemap_fault+0x82/0xad
[  413.091495]  __do_fault+0x100/0x6b0
[  413.095119]  ? lock_downgrade+0x900/0x900
[  413.099258]  ? pmd_devmap_trans_unstable+0x220/0x220
[  413.104356]  ? kasan_check_read+0x11/0x20
[  413.108542]  ? do_raw_spin_unlock+0xa7/0x330
[  413.112960]  ? do_raw_spin_trylock+0x270/0x270
[  413.117574]  __handle_mm_fault+0x3ea0/0x5be0
[  413.121980]  ? perf_trace_lock+0x7a0/0x7a0
[  413.126243]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  413.131095]  ? zap_class+0x640/0x640
[  413.134813]  ? zap_class+0x640/0x640
[  413.138525]  ? __x64_sys_futex+0x53e/0x6a0
[  413.142760]  ? find_held_lock+0x36/0x1c0
[  413.146840]  ? handle_mm_fault+0x42a/0xc70
[  413.151088]  ? lock_downgrade+0x900/0x900
[  413.155251]  ? check_preemption_disabled+0x48/0x280
[  413.160287]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  413.165218]  ? kasan_check_read+0x11/0x20
[  413.169404]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  413.174670]  ? rcu_softirq_qs+0x20/0x20
[  413.178635]  ? trace_hardirqs_off_caller+0x310/0x310
[  413.183735]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  413.189267]  ? check_preemption_disabled+0x48/0x280
[  413.194309]  handle_mm_fault+0x54f/0xc70
[  413.198369]  ? __handle_mm_fault+0x5be0/0x5be0
[  413.202961]  ? find_vma+0x34/0x190
[  413.206499]  __do_page_fault+0x5e8/0xe60
[  413.210555]  ? trace_hardirqs_off+0xb8/0x310
[  413.214986]  ? kernel_write+0x120/0x120
[  413.218972]  do_page_fault+0xf2/0x7e0
[  413.222766]  ? vmalloc_sync_all+0x30/0x30
[  413.226920]  ? error_entry+0x70/0xd0
[  413.230647]  ? trace_hardirqs_off_caller+0xbb/0x310
[  413.235653]  ? trace_hardirqs_on_caller+0xc0/0x310
[  413.240606]  ? syscall_return_slowpath+0x5e0/0x5e0
[  413.245531]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  413.250372]  ? trace_hardirqs_on_caller+0x310/0x310
[  413.255401]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  413.260851]  ? prepare_exit_to_usermode+0x291/0x3b0
[  413.265867]  ? page_fault+0x8/0x30
[  413.269406]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  413.274269]  ? page_fault+0x8/0x30
[  413.277811]  page_fault+0x1e/0x30
[  413.281256] RIP: 0033:0x404068
[  413.284459] Code: Bad RIP value.
[  413.287817] RSP: 002b:000000c420024e48 EFLAGS: 00010206
[  413.293195] RAX: 000000c422dd4cc0 RBX: 000000c42875f801 RCX: 000000c424d31838
[  413.300461] RDX: 000000c422dd4cc0 RSI: 0000000000000001 RDI: 0000000000000001
[  413.307724] RBP: 000000c420024ed8 R08: 00007ffd3a9b40b0 R09: 00007ffd3a9b4080
[  413.314987] R10: 000000000000eacc R11: 0000000000000165 R12: 0000000000000001
[  413.322253] R13: 000000c4271c3620 R14: 0000000000000001 R15: 0000000000000000
[  413.329572] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #83
[  413.329650] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  413.336357] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  413.336363] Call Trace:
[  413.336382]  dump_stack+0x244/0x39d
[  413.336405]  ? dump_stack_print_info.cold.1+0x20/0x20
[  413.342963] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  413.352234]  warn_alloc.cold.116+0xb7/0x1bd
[  413.354785] syz-fuzzer cpuset=/ mems_allowed=0
[  413.358413]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  413.387507]  ? lock_downgrade+0x900/0x900
[  413.391673]  ? trace_hardirqs_off+0xb8/0x310
[  413.396090]  ? trace_hardirqs_off+0xb8/0x310
[  413.400510]  __alloc_pages_slowpath+0x26e8/0x2e10
[  413.405407]  ? warn_alloc+0x120/0x120
[  413.409216]  ? warn_alloc+0x120/0x120
[  413.413037]  ? warn_alloc+0x120/0x120
[  413.416846]  ? print_usage_bug+0xc0/0xc0
[  413.420908]  ? zap_class+0x640/0x640
[  413.424629]  ? print_usage_bug+0xc0/0xc0
[  413.428689]  ? print_usage_bug+0xc0/0xc0
[  413.432753]  ? print_usage_bug+0xc0/0xc0
[  413.436824]  ? __lock_acquire+0x62f/0x4c20
[  413.441058]  ? __lock_acquire+0x62f/0x4c20
[  413.445306]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  413.450843]  ? should_fail+0x22d/0xd01
[  413.454755]  ? print_usage_bug+0xc0/0xc0
[  413.458830]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  413.463934]  ? __lock_acquire+0x62f/0x4c20
[  413.468233]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  413.473338]  ? __lock_acquire+0x62f/0x4c20
[  413.477572]  ? should_fail+0x22d/0xd01
[  413.481473]  ? mark_held_locks+0x130/0x130
[  413.485719]  ? mark_held_locks+0x130/0x130
[  413.489956]  ? mark_held_locks+0x130/0x130
[  413.494198]  ? zap_class+0x640/0x640
[  413.497919]  ? mark_held_locks+0x130/0x130
[  413.502153]  ? mark_held_locks+0x130/0x130
[  413.506393]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.511933]  ? check_preemption_disabled+0x48/0x280
[  413.516962]  ? __lock_is_held+0xb5/0x140
[  413.521048]  __alloc_pages_nodemask+0xa80/0xde0
[  413.525716]  ? zap_class+0x640/0x640
[  413.529439]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  413.534466]  ? find_held_lock+0x36/0x1c0
[  413.538544]  ? ____cache_alloc_node+0x1c7/0x1e0
[  413.543237]  ? lock_downgrade+0x900/0x900
[  413.547398]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.552941]  cache_grow_begin+0xa5/0x8c0
[  413.557003]  ? do_raw_spin_unlock+0xa7/0x330
[  413.561453]  fallback_alloc+0x204/0x2e0
[  413.565434]  ____cache_alloc_node+0x1c7/0x1e0
[  413.569935]  kmem_cache_alloc_node+0xe3/0x730
[  413.574432]  ? lockdep_hardirqs_on+0x296/0x5b0
[  413.579040]  __alloc_skb+0x119/0x770
[  413.582749]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  413.588119]  ? netdev_alloc_frag+0x1f0/0x1f0
[  413.592551]  ? lock_acquire+0x1ed/0x520
[  413.596615]  ? aoecmd_cfg+0x108/0x7f0
[  413.600452]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.606000]  ? check_preemption_disabled+0x48/0x280
[  413.611048]  ? kasan_check_read+0x11/0x20
[  413.615192]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  413.620459]  ? rcu_softirq_qs+0x20/0x20
[  413.624427]  ? do_raw_spin_trylock+0x270/0x270
[  413.629004]  new_skb+0x26/0x1c0
[  413.632278]  aoecmd_cfg+0x279/0x7f0
[  413.635904]  ? find_held_lock+0x36/0x1c0
[  413.639962]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  413.644296]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.649838]  ? check_preemption_disabled+0x48/0x280
[  413.654871]  ? __lock_is_held+0xb5/0x140
[  413.658985]  discover_timer+0x50/0x60
[  413.662833]  call_timer_fn+0x272/0x920
[  413.666729]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  413.671569]  ? process_timeout+0x40/0x40
[  413.675666]  ? __run_timers+0x7da/0xc70
[  413.679635]  ? _raw_spin_unlock_irq+0x27/0x80
[  413.684121]  ? _raw_spin_unlock_irq+0x27/0x80
[  413.688614]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  413.693455]  ? lockdep_hardirqs_on+0x296/0x5b0
[  413.698065]  ? trace_hardirqs_on+0xbd/0x310
[  413.702398]  ? kasan_check_read+0x11/0x20
[  413.706588]  ? __run_timers+0x7da/0xc70
[  413.710557]  ? trace_hardirqs_off_caller+0x310/0x310
[  413.715682]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  413.720526]  __run_timers+0x7e5/0xc70
[  413.724330]  ? timer_fixup_init+0x70/0x70
[  413.728471]  ? _raw_spin_unlock_irq+0x27/0x80
[  413.732960]  ? _raw_spin_unlock_irq+0x27/0x80
[  413.737450]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  413.742124]  ? trace_hardirqs_on+0xbd/0x310
[  413.746457]  ? kasan_check_read+0x11/0x20
[  413.750601]  ? finish_task_switch+0x1f4/0x910
[  413.755093]  ? trace_hardirqs_off_caller+0x310/0x310
[  413.760208]  ? compat_start_thread+0x80/0x80
[  413.764648]  ? pvclock_read_flags+0x160/0x160
[  413.769139]  ? __switch_to_asm+0x34/0x70
[  413.773219]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.778757]  ? check_preemption_disabled+0x48/0x280
[  413.783788]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  413.789319]  ? rcu_pm_notify+0xc0/0xc0
[  413.793195]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.798734]  ? check_preemption_disabled+0x48/0x280
[  413.803774]  run_timer_softirq+0x52/0xb0
[  413.807877]  ? rcu_read_lock_sched_held+0x14f/0x180
[  413.812897]  __do_softirq+0x308/0xb7e
[  413.816699]  ? trace_hardirqs_on_caller+0xc0/0x310
[  413.821636]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  413.826738]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  413.832193]  ? schedule+0x108/0x460
[  413.835825]  ? trace_hardirqs_off+0xb8/0x310
[  413.840229]  ? smpboot_thread_fn+0x68b/0xa00
[  413.844632]  ? trace_hardirqs_on+0x310/0x310
[  413.849033]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  413.854562]  ? check_preemption_disabled+0x48/0x280
[  413.859580]  ? takeover_tasklets+0xa90/0xa90
[  413.863993]  run_ksoftirqd+0x5e/0x100
[  413.867836]  smpboot_thread_fn+0x68b/0xa00
[  413.872069]  ? sort_range+0x30/0x30
[  413.875701]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  413.880805]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  413.886351]  ? __kthread_parkme+0xfb/0x1a0
[  413.890600]  ? sort_range+0x30/0x30
[  413.894233]  kthread+0x35a/0x440
[  413.897607]  ? kthread_stop+0x900/0x900
[  413.901589]  ret_from_fork+0x3a/0x50
[  413.905312] CPU: 1 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  413.905316] warn_alloc_show_mem: 1 callbacks suppressed
[  413.905322] Mem-Info:
[  413.912238] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  413.917631] active_anon:44321 inactive_anon:2061 isolated_anon:0
[  413.917631]  active_file:14 inactive_file:14 isolated_file:0
[  413.917631]  unevictable:0 dirty:0 writeback:0 unstable:0
[  413.917631]  slab_reclaimable:9437 slab_unreclaimable:1460937
[  413.917631]  mapped:49154 shmem:2105 pagetables:642 bounce:0
[  413.917631]  free:13638 free_pcp:328 free_cma:0
[  413.920015] Call Trace:
[  413.929455] Node 0 active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8420kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  413.962468]  <IRQ>
[  413.965035] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  413.992620]  dump_stack+0x244/0x39d
[  413.994740] lowmem_reserve[]: 0 2818 6321 6321
[  414.020836]  ? dump_stack_print_info.cold.1+0x20/0x20
[  414.024432] Node 0 DMA32 free:24708kB 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
[  414.029029]  warn_alloc.cold.116+0xb7/0x1bd
[  414.034224] lowmem_reserve[]: 0 0 3503 3503
[  414.061726]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  414.066049] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2568kB bounce:0kB free_pcp:1064kB local_pcp:692kB free_cma:0kB
[  414.070359]  ? lock_downgrade+0x900/0x900
[  414.075187] lowmem_reserve[]: 0 0 0 0
[  414.104256]  ? trace_hardirqs_off+0xb8/0x310
[  414.108396] 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
[  414.112181]  ? trace_hardirqs_off+0xb8/0x310
[  414.116580] Node 0 DMA32: 5*4kB (UM) 2*8kB (MH) 2*16kB (MH) 4*32kB (MH) 3*64kB (M) 2*128kB (M) 4*256kB (UMH) 3*512kB (UM) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24708kB
[  414.130088]  __alloc_pages_slowpath+0x26e8/0x2e10
[  414.134481] Node 0 Normal: 930*4kB (MEH) 535*8kB (UMEH) 215*16kB (UME) 80*32kB (UMH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  414.150053]  ? warn_alloc+0x120/0x120
[  414.154858] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  414.168640]  ? print_usage_bug+0xc0/0xc0
[  414.172422] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  414.181238]  ? warn_alloc+0x120/0x120
[  414.185269] 2133 total pagecache pages
[  414.193885]  ? warn_alloc+0x120/0x120
[  414.197661] 0 pages in swap cache
[  414.201535]  ? print_usage_bug+0xc0/0xc0
[  414.205306] Swap cache stats: add 0, delete 0, find 0/0
[  414.208741]  ? kvm_clock_read+0x18/0x30
[  414.212777] Free swap  = 0kB
[  414.218130]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  414.222077] Total swap = 0kB
[  414.225084]  ? print_usage_bug+0xc0/0xc0
[  414.230071] 1965979 pages RAM
[  414.233128]  ? __lock_acquire+0x62f/0x4c20
[  414.237169] 0 pages HighMem/MovableOnly
[  414.240273]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.244478] 342853 pages reserved
[  414.248439]  ? should_fail+0x22d/0xd01
[  414.253946] 0 pages cma reserved
[  414.257406]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  414.261340] aoe: skb alloc failure
[  414.264635]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  414.264649]  ? __lock_acquire+0x62f/0x4c20
[  414.264681]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  414.270007] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  414.273535]  ? __lock_acquire+0x62f/0x4c20
[  414.278626] ksoftirqd/0 cpuset=/ mems_allowed=0
[  414.282852]  ? should_fail+0x22d/0xd01
[  414.310937]  ? rcu_irq_exit+0x1a2/0x390
[  414.314915]  ? mark_held_locks+0x130/0x130
[  414.319196]  ? mark_held_locks+0x130/0x130
[  414.323444]  ? mark_held_locks+0xc7/0x130
[  414.327598]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  414.332610]  ? zap_class+0x640/0x640
[  414.336315]  ? print_usage_bug+0xc0/0xc0
[  414.340387]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.345917]  ? check_preemption_disabled+0x48/0x280
[  414.350931]  ? __lock_is_held+0xb5/0x140
[  414.355005]  __alloc_pages_nodemask+0xa80/0xde0
[  414.359765]  ? zap_class+0x640/0x640
[  414.363477]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  414.368493]  ? find_held_lock+0x36/0x1c0
[  414.372564]  ? ____cache_alloc_node+0x1c7/0x1e0
[  414.377240]  ? lock_downgrade+0x900/0x900
[  414.381401]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.386937]  cache_grow_begin+0xa5/0x8c0
[  414.391037]  ? do_raw_spin_unlock+0xa7/0x330
[  414.395472]  fallback_alloc+0x204/0x2e0
[  414.399447]  ____cache_alloc_node+0x1c7/0x1e0
[  414.403946]  kmem_cache_alloc_node+0xe3/0x730
[  414.408473]  ? ipv6_get_ifaddr+0x42e/0x620
[  414.412722]  __alloc_skb+0x119/0x770
[  414.416438]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  414.421721]  ? netdev_alloc_frag+0x1f0/0x1f0
[  414.426130]  ? lock_downgrade+0x900/0x900
[  414.430296]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.435867]  ? refcount_sub_and_test_checked+0x203/0x310
[  414.441328]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  414.446779]  ? addrconf_rs_timer+0x690/0x690
[  414.451212]  ndisc_alloc_skb+0x144/0x340
[  414.455280]  ndisc_send_rs+0x331/0x6e0
[  414.459195]  addrconf_rs_timer+0x314/0x690
[  414.463435]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  414.467679]  call_timer_fn+0x272/0x920
[  414.471570]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  414.475837]  ? process_timeout+0x40/0x40
[  414.479909]  ? mark_held_locks+0xc7/0x130
[  414.484060]  ? _raw_spin_unlock_irq+0x27/0x80
[  414.488558]  ? _raw_spin_unlock_irq+0x27/0x80
[  414.493052]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  414.497296]  ? lockdep_hardirqs_on+0x296/0x5b0
[  414.501880]  ? trace_hardirqs_on+0xbd/0x310
[  414.506214]  ? kasan_check_read+0x11/0x20
[  414.510364]  ? __run_timers+0x7da/0xc70
[  414.514343]  ? trace_hardirqs_off_caller+0x310/0x310
[  414.519457]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  414.523711]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  414.527961]  __run_timers+0x7e5/0xc70
[  414.531775]  ? timer_fixup_init+0x70/0x70
[  414.535929]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  414.540952]  ? zap_class+0x640/0x640
[  414.544674]  ? print_usage_bug+0xc0/0xc0
[  414.548737]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  414.553934]  ? find_held_lock+0x36/0x1c0
[  414.558015]  ? zap_class+0x640/0x640
[  414.561750]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.567310]  ? check_preemption_disabled+0x48/0x280
[  414.572340]  ? __lock_is_held+0xb5/0x140
[  414.576416]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.581971]  ? check_preemption_disabled+0x48/0x280
[  414.586999]  run_timer_softirq+0x52/0xb0
[  414.591059]  ? rcu_read_lock_sched_held+0x14f/0x180
[  414.596078]  __do_softirq+0x308/0xb7e
[  414.599910]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  414.604426]  ? lock_downgrade+0x900/0x900
[  414.608585]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  414.613698]  ? pvclock_read_flags+0x160/0x160
[  414.618212]  ? lapic_next_event+0x5a/0x90
[  414.622486]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.628038]  ? kvm_clock_read+0x18/0x30
[  414.632012]  ? kvm_sched_clock_read+0x9/0x20
[  414.636425]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.641978]  ? check_preemption_disabled+0x48/0x280
[  414.647004]  irq_exit+0x17f/0x1c0
[  414.650454]  smp_apic_timer_interrupt+0x1cb/0x760
[  414.655332]  ? smp_reschedule_interrupt+0x109/0x650
[  414.660347]  ? smp_call_function_single_interrupt+0x650/0x650
[  414.666222]  ? interrupt_entry+0xb5/0xc0
[  414.670278]  ? trace_hardirqs_off_caller+0xbb/0x310
[  414.675293]  ? trace_hardirqs_off_caller+0xbb/0x310
[  414.680303]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  414.685146]  ? trace_hardirqs_on_caller+0x310/0x310
[  414.690149]  ? trace_hardirqs_on_caller+0x310/0x310
[  414.695169]  ? task_prio+0x50/0x50
[  414.698719]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.704252]  ? check_preemption_disabled+0x48/0x280
[  414.709270]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  414.714141]  apic_timer_interrupt+0xf/0x20
[  414.718374]  </IRQ>
[  414.720625] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  414.725811] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec
[  414.744701] RSP: 0018:ffff8801c2d36100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  414.752919] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100385b2de6
[  414.760180] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c2d96ebc
[  414.767439] RBP: ffff8801c2d36128 R08: ffff8801c2d96f30 R09: 0000000000000006
[  414.774698] R10: 0000000000000000 R11: ffff8801c2d96640 R12: dffffc0000000000
[  414.781998] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  414.789286]  retint_kernel+0x1b/0x2d
[  414.793008] RIP: 0010:dump_stack+0x358/0x39d
[  414.797417] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  414.816347] RSP: 0018:ffff8801c2d361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  414.824055] RAX: ffff8801c2d96640 RBX: 1ffffffff12a3f76 RCX: 1ffff100385b2de6
[  414.831314] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  414.838571] RBP: ffff8801c2d36290 R08: ffff8801c2d96f30 R09: 0000000000000006
[  414.845827] R10: 0000000000000000 R11: ffff8801c2d96640 R12: 1ffff100385a6c45
[  414.853089] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  414.860363]  ? dump_stack+0x34f/0x39d
[  414.864164]  ? dump_stack_print_info.cold.1+0x20/0x20
[  414.869411]  ? mark_held_locks+0x130/0x130
[  414.873639]  ? mark_held_locks+0x130/0x130
[  414.877869]  dump_header+0x27b/0xf72
[  414.881600]  ? pagefault_out_of_memory+0x197/0x197
[  414.886535]  ? __lock_acquire+0x62f/0x4c20
[  414.890768]  ? percpu_ref_get_many+0x240/0x240
[  414.895377]  ? print_usage_bug+0xc0/0xc0
[  414.899435]  ? zap_class+0x640/0x640
[  414.903161]  ? print_usage_bug+0xc0/0xc0
[  414.907270]  ? print_usage_bug+0xc0/0xc0
[  414.911326]  ? zap_class+0x640/0x640
[  414.915066]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.920602]  ? find_held_lock+0x36/0x1c0
[  414.924664]  ? mark_held_locks+0xc7/0x130
[  414.928808]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  414.933904]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  414.939001]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  414.943594]  ? trace_hardirqs_on+0xbd/0x310
[  414.947924]  ? kasan_check_read+0x11/0x20
[  414.952096]  ? ___ratelimit+0x3b4/0x672
[  414.956066]  ? trace_hardirqs_off_caller+0x310/0x310
[  414.961163]  ? trace_hardirqs_on+0x310/0x310
[  414.965566]  ? lock_downgrade+0x900/0x900
[  414.969713]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  414.974810]  ? ___ratelimit+0x3b9/0x672
[  414.978779]  ? idr_get_free+0xf70/0xf70
[  414.982779]  ? find_held_lock+0x36/0x1c0
[  414.986852]  oom_kill_process.cold.27+0x10/0x903
[  414.991626]  ? zap_class+0x640/0x640
[  414.995331]  ? check_preemption_disabled+0x48/0x280
[  415.000347]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  415.005266]  ? kasan_check_read+0x11/0x20
[  415.009424]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  415.014712]  ? oom_evaluate_task+0x540/0x540
[  415.019118]  ? find_held_lock+0x36/0x1c0
[  415.023179]  ? out_of_memory+0x974/0x1430
[  415.027336]  ? lock_downgrade+0x900/0x900
[  415.031476]  ? check_preemption_disabled+0x48/0x280
[  415.036503]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  415.041429]  ? kasan_check_read+0x11/0x20
[  415.045566]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  415.050855]  ? rcu_softirq_qs+0x20/0x20
[  415.054843]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  415.060369]  ? oom_evaluate_task+0x302/0x540
[  415.064806]  out_of_memory+0xa84/0x1430
[  415.068797]  ? oom_killer_disable+0x3a0/0x3a0
[  415.073288]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  415.078232]  ? __ww_mutex_check_waiters+0x160/0x160
[  415.083286]  __alloc_pages_slowpath+0x2354/0x2e10
[  415.088168]  ? warn_alloc+0x120/0x120
[  415.091964]  ? mark_held_locks+0x130/0x130
[  415.096248]  ? find_get_entry+0xaae/0x1120
[  415.100500]  ? filemap_map_pages+0x1a20/0x1a20
[  415.105084]  ? zap_class+0x640/0x640
[  415.108806]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.114369]  ? check_preemption_disabled+0x48/0x280
[  415.119393]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  415.124936]  ? should_fail+0x22d/0xd01
[  415.128864]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  415.133992]  ? zap_class+0x640/0x640
[  415.137751]  ? __lock_is_held+0xb5/0x140
[  415.141842]  ? mark_held_locks+0x130/0x130
[  415.146085]  ? lock_release+0xa00/0xa00
[  415.150093]  ? perf_trace_sched_process_exec+0x860/0x860
[  415.157538]  ? xa_load+0x2ba/0x460
[  415.161079]  ? lock_downgrade+0x900/0x900
[  415.165253]  ? __might_sleep+0x95/0x190
[  415.169253]  __alloc_pages_nodemask+0xa80/0xde0
[  415.173918]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  415.178940]  ? __page_cache_alloc+0x191/0x5c0
[  415.183452]  ? xa_load+0x2e1/0x460
[  415.187016]  ? xa_clear_mark+0x40/0x40
[  415.190899]  ? zap_class+0x640/0x640
[  415.194625]  ? zap_class+0x640/0x640
[  415.198328]  ? zap_class+0x640/0x640
[  415.202068]  ? __do_page_cache_readahead+0x663/0x810
[  415.207215]  ? find_held_lock+0x36/0x1c0
[  415.211296]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  415.216845]  alloc_pages_current+0x173/0x350
[  415.221266]  __page_cache_alloc+0x38c/0x5c0
[  415.225579]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  415.230517]  ? kasan_check_read+0x11/0x20
[  415.234667]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  415.239938]  ? generic_perform_write+0x6a0/0x6a0
[  415.244701]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  415.250246]  ? check_preemption_disabled+0x48/0x280
[  415.255273]  filemap_fault+0x1595/0x25f0
[  415.259400]  ? __lock_page_or_retry+0xa00/0xa00
[  415.264178]  ? mark_held_locks+0x130/0x130
[  415.268430]  ? filemap_map_pages+0xd6b/0x1a20
[  415.272954]  ? lock_downgrade+0x900/0x900
[  415.277110]  ? check_preemption_disabled+0x48/0x280
[  415.282131]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  415.287082]  ? kasan_check_read+0x11/0x20
[  415.291239]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  415.296563]  ? rcu_softirq_qs+0x20/0x20
[  415.300557]  ? filemap_map_pages+0xd92/0x1a20
[  415.305075]  ? find_get_entries_tag+0x1400/0x1400
[  415.309909]  ? find_held_lock+0x36/0x1c0
[  415.313981]  ? lock_acquire+0x1ed/0x520
[  415.317948]  ? ext4_filemap_fault+0x7a/0xad
[  415.322271]  ? lock_release+0xa00/0xa00
[  415.326243]  ? perf_trace_sched_process_exec+0x860/0x860
[  415.331692]  ? print_usage_bug+0xc0/0xc0
[  415.335763]  ? down_read+0x8d/0x120
[  415.339388]  ? ext4_filemap_fault+0x7a/0xad
[  415.343707]  ? __down_interruptible+0x700/0x700
[  415.348374]  ? find_held_lock+0x36/0x1c0
[  415.352433]  ext4_filemap_fault+0x82/0xad
[  415.356578]  __do_fault+0x100/0x6b0
[  415.360222]  ? lock_downgrade+0x900/0x900
[  415.364385]  ? pmd_devmap_trans_unstable+0x220/0x220
[  415.369540]  ? kasan_check_read+0x11/0x20
[  415.373692]  ? do_raw_spin_unlock+0xa7/0x330
[  415.378113]  ? do_raw_spin_trylock+0x270/0x270
[  415.382707]  __handle_mm_fault+0x3ea0/0x5be0
[  415.387196]  ? perf_trace_lock+0x7a0/0x7a0
[  415.391453]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  415.396331]  ? zap_class+0x640/0x640
[  415.400044]  ? zap_class+0x640/0x640
[  415.403768]  ? __x64_sys_futex+0x53e/0x6a0
[  415.408007]  ? find_held_lock+0x36/0x1c0
[  415.412071]  ? handle_mm_fault+0x42a/0xc70
[  415.416320]  ? lock_downgrade+0x900/0x900
[  415.420464]  ? check_preemption_disabled+0x48/0x280
[  415.425479]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  415.430407]  ? kasan_check_read+0x11/0x20
[  415.434556]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  415.439849]  ? rcu_softirq_qs+0x20/0x20
[  415.443824]  ? trace_hardirqs_off_caller+0x310/0x310
[  415.448945]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  415.454532]  ? check_preemption_disabled+0x48/0x280
[  415.459582]  handle_mm_fault+0x54f/0xc70
[  415.463644]  ? __handle_mm_fault+0x5be0/0x5be0
[  415.468229]  ? find_vma+0x34/0x190
[  415.471804]  __do_page_fault+0x5e8/0xe60
[  415.475977]  ? trace_hardirqs_off+0xb8/0x310
[  415.480395]  ? kernel_write+0x120/0x120
[  415.484389]  do_page_fault+0xf2/0x7e0
[  415.488185]  ? vmalloc_sync_all+0x30/0x30
[  415.492328]  ? error_entry+0x70/0xd0
[  415.496044]  ? trace_hardirqs_off_caller+0xbb/0x310
[  415.501060]  ? trace_hardirqs_on_caller+0xc0/0x310
[  415.505992]  ? syscall_return_slowpath+0x5e0/0x5e0
[  415.510923]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  415.515767]  ? trace_hardirqs_on_caller+0x310/0x310
[  415.520785]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  415.526255]  ? prepare_exit_to_usermode+0x291/0x3b0
[  415.531277]  ? page_fault+0x8/0x30
[  415.534830]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  415.539677]  ? page_fault+0x8/0x30
[  415.543215]  page_fault+0x1e/0x30
[  415.546666] RIP: 0033:0x404068
[  415.549904] Code: Bad RIP value.
[  415.553264] RSP: 002b:000000c420024e48 EFLAGS: 00010206
[  415.558634] RAX: 000000c422dd4cc0 RBX: 000000c42875f801 RCX: 000000c424d31838
[  415.565900] RDX: 000000c422dd4cc0 RSI: 0000000000000001 RDI: 0000000000000001
[  415.573230] RBP: 000000c420024ed8 R08: 00007ffd3a9b40b0 R09: 00007ffd3a9b4080
[  415.580498] R10: 000000000000eacc R11: 0000000000000165 R12: 0000000000000001
[  415.587774] R13: 000000c4271c3620 R14: 0000000000000001 R15: 0000000000000000
[  415.595070] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #83
[  415.595135] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  415.601833] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  415.601842] Call Trace:
[  415.608440] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  415.617712]  dump_stack+0x244/0x39d
[  415.620325] syz-fuzzer cpuset=/ mems_allowed=0
[  415.630565]  ? dump_stack_print_info.cold.1+0x20/0x20
[  415.643932]  warn_alloc.cold.116+0xb7/0x1bd
[  415.648271]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  415.653132]  ? lock_downgrade+0x900/0x900
[  415.657306]  ? trace_hardirqs_off+0xb8/0x310
[  415.661725]  ? trace_hardirqs_off+0xb8/0x310
[  415.666160]  __alloc_pages_slowpath+0x26e8/0x2e10
[  415.671035]  ? warn_alloc+0x120/0x120
[  415.674845]  ? warn_alloc+0x120/0x120
[  415.678650]  ? warn_alloc+0x120/0x120
[  415.682471]  ? print_usage_bug+0xc0/0xc0
[  415.686555]  ? print_usage_bug+0xc0/0xc0
[  415.690616]  ? mark_held_locks+0x130/0x130
[  415.694863]  ? mark_held_locks+0x130/0x130
[  415.699103]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  415.704651]  ? should_fail+0x22d/0xd01
[  415.708546]  ? zap_class+0x640/0x640
[  415.712266]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  415.717375]  ? __lock_acquire+0x62f/0x4c20
[  415.721615]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  415.726720]  ? __lock_acquire+0x62f/0x4c20
[  415.730950]  ? should_fail+0x22d/0xd01
[  415.734848]  ? mark_held_locks+0x130/0x130
[  415.739116]  ? mark_held_locks+0x130/0x130
[  415.743363]  ? lock_downgrade+0x900/0x900
[  415.747513]  ? zap_class+0x640/0x640
[  415.751237]  ? zap_class+0x640/0x640
[  415.754952]  ? zap_class+0x640/0x640
[  415.758662]  ? do_raw_spin_unlock+0xa7/0x330
[  415.763075]  ? trace_hardirqs_on+0x310/0x310
[  415.767485]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.773027]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.778567]  ? check_preemption_disabled+0x48/0x280
[  415.783597]  ? __lock_is_held+0xb5/0x140
[  415.787669]  __alloc_pages_nodemask+0xa80/0xde0
[  415.792333]  ? zap_class+0x640/0x640
[  415.796049]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  415.801080]  ? find_held_lock+0x36/0x1c0
[  415.805143]  ? ____cache_alloc_node+0x1c7/0x1e0
[  415.809811]  ? lock_downgrade+0x900/0x900
[  415.813963]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.819501]  cache_grow_begin+0xa5/0x8c0
[  415.823579]  ? do_raw_spin_unlock+0xa7/0x330
[  415.827988]  fallback_alloc+0x204/0x2e0
[  415.831997]  ____cache_alloc_node+0x1c7/0x1e0
[  415.836510]  kmem_cache_alloc_node+0xe3/0x730
[  415.841025]  ? lockdep_hardirqs_on+0x296/0x5b0
[  415.845620]  __alloc_skb+0x119/0x770
[  415.849360]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  415.854736]  ? netdev_alloc_frag+0x1f0/0x1f0
[  415.859211]  ? vprintk_default+0x28/0x30
[  415.863315]  ? vprintk_func+0x85/0x181
[  415.867198]  ? printk+0xa7/0xcf
[  415.870486]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  415.875274]  ? do_raw_spin_trylock+0x270/0x270
[  415.879886]  new_skb+0x26/0x1c0
[  415.883161]  aoecmd_cfg+0x279/0x7f0
[  415.886779]  ? find_held_lock+0x36/0x1c0
[  415.890839]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  415.895155]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.900693]  ? __lock_is_held+0xb5/0x140
[  415.904757]  discover_timer+0x50/0x60
[  415.908568]  call_timer_fn+0x272/0x920
[  415.912554]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  415.917392]  ? process_timeout+0x40/0x40
[  415.921457]  ? __run_timers+0x7da/0xc70
[  415.925429]  ? _raw_spin_unlock_irq+0x27/0x80
[  415.929953]  ? _raw_spin_unlock_irq+0x27/0x80
[  415.934461]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  415.939317]  ? lockdep_hardirqs_on+0x296/0x5b0
[  415.943901]  ? trace_hardirqs_on+0xbd/0x310
[  415.948219]  ? kasan_check_read+0x11/0x20
[  415.952363]  ? __run_timers+0x7da/0xc70
[  415.956338]  ? trace_hardirqs_off_caller+0x310/0x310
[  415.961449]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  415.966283]  __run_timers+0x7e5/0xc70
[  415.970096]  ? timer_fixup_init+0x70/0x70
[  415.974243]  ? _raw_spin_unlock_irq+0x27/0x80
[  415.978735]  ? _raw_spin_unlock_irq+0x27/0x80
[  415.983228]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  415.987831]  ? trace_hardirqs_on+0xbd/0x310
[  415.992187]  ? kasan_check_read+0x11/0x20
[  415.996336]  ? finish_task_switch+0x1f4/0x910
[  416.000833]  ? trace_hardirqs_off_caller+0x310/0x310
[  416.005952]  ? compat_start_thread+0x80/0x80
[  416.010380]  ? pvclock_read_flags+0x160/0x160
[  416.014868]  ? __switch_to_asm+0x34/0x70
[  416.018945]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.024530]  ? check_preemption_disabled+0x48/0x280
[  416.029586]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  416.035142]  ? rcu_pm_notify+0xc0/0xc0
[  416.039041]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.044584]  ? check_preemption_disabled+0x48/0x280
[  416.049603]  run_timer_softirq+0x52/0xb0
[  416.053658]  ? rcu_read_lock_sched_held+0x14f/0x180
[  416.058673]  __do_softirq+0x308/0xb7e
[  416.062486]  ? trace_hardirqs_on_caller+0xc0/0x310
[  416.067470]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  416.072568]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  416.078019]  ? schedule+0x108/0x460
[  416.081653]  ? trace_hardirqs_off+0xb8/0x310
[  416.086057]  ? smpboot_thread_fn+0x68b/0xa00
[  416.090461]  ? trace_hardirqs_on+0x310/0x310
[  416.094867]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  416.100397]  ? check_preemption_disabled+0x48/0x280
[  416.105409]  ? takeover_tasklets+0xa90/0xa90
[  416.109817]  run_ksoftirqd+0x5e/0x100
[  416.113665]  smpboot_thread_fn+0x68b/0xa00
[  416.117901]  ? sort_range+0x30/0x30
[  416.121531]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  416.126634]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  416.132167]  ? __kthread_parkme+0xfb/0x1a0
[  416.136400]  ? sort_range+0x30/0x30
[  416.140022]  kthread+0x35a/0x440
[  416.143391]  ? kthread_stop+0x900/0x900
[  416.147365]  ret_from_fork+0x3a/0x50
[  416.151099] CPU: 1 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  416.151103] warn_alloc_show_mem: 1 callbacks suppressed
[  416.151110] Mem-Info:
[  416.158031] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  416.163393] active_anon:44321 inactive_anon:2061 isolated_anon:0
[  416.163393]  active_file:14 inactive_file:14 isolated_file:0
[  416.163393]  unevictable:0 dirty:0 writeback:0 unstable:0
[  416.163393]  slab_reclaimable:9437 slab_unreclaimable:1460937
[  416.163393]  mapped:49154 shmem:2105 pagetables:642 bounce:0
[  416.163393]  free:13638 free_pcp:328 free_cma:0
[  416.165765] Call Trace:
[  416.175152] Node 0 active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8420kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  416.208179]  <IRQ>
[  416.210743] 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
[  416.238328]  dump_stack+0x244/0x39d
[  416.240448] lowmem_reserve[]: 0 2818 6321 6321
[  416.266552]  ? dump_stack_print_info.cold.1+0x20/0x20
[  416.270151] Node 0 DMA32 free:24708kB 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
[  416.274756]  warn_alloc.cold.116+0xb7/0x1bd
[  416.279926] lowmem_reserve[]: 0 0 3503 3503
[  416.307411]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  416.311810] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2568kB bounce:0kB free_pcp:1064kB local_pcp:692kB free_cma:0kB
[  416.316122]  ? lock_downgrade+0x900/0x900
[  416.320934] lowmem_reserve[]: 0 0 0 0
[  416.350101]  ? trace_hardirqs_off+0xb8/0x310
[  416.354237] 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
[  416.358041]  ? trace_hardirqs_off+0xb8/0x310
[  416.362418] Node 0 DMA32: 5*4kB (UM) 2*8kB (MH) 2*16kB (MH) 4*32kB (MH) 3*64kB (M) 2*128kB (M) 4*256kB (UMH) 3*512kB (UM) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24708kB
[  416.375937]  __alloc_pages_slowpath+0x26e8/0x2e10
[  416.380317] Node 0 Normal: 930*4kB (MEH) 535*8kB (UMEH) 215*16kB (UME) 80*32kB (UMH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  416.395851]  ? warn_alloc+0x120/0x120
[  416.400653] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  416.414415]  ? print_usage_bug+0xc0/0xc0
[  416.418227] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  416.427063]  ? warn_alloc+0x120/0x120
[  416.431101] 2133 total pagecache pages
[  416.439679]  ? warn_alloc+0x120/0x120
[  416.443465] 0 pages in swap cache
[  416.447366]  ? print_usage_bug+0xc0/0xc0
[  416.451186] Swap cache stats: add 0, delete 0, find 0/0
[  416.454659]  ? kvm_clock_read+0x18/0x30
[  416.458697] Free swap  = 0kB
[  416.464056]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  416.468001] Total swap = 0kB
[  416.471008]  ? print_usage_bug+0xc0/0xc0
[  416.476010] 1965979 pages RAM
[  416.479017]  ? __lock_acquire+0x62f/0x4c20
[  416.483046] 0 pages HighMem/MovableOnly
[  416.486140]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  416.490345] 342853 pages reserved
[  416.494308]  ? should_fail+0x22d/0xd01
[  416.499818] 0 pages cma reserved
[  416.503263]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  416.507184] aoe: skb alloc failure
[  416.510479]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  416.515814] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  416.519299]  ? __lock_acquire+0x62f/0x4c20
[  416.524400] ksoftirqd/0 cpuset=/ mems_allowed=0
[  416.534703]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  416.548686]  ? __lock_acquire+0x62f/0x4c20
[  416.552947]  ? should_fail+0x22d/0xd01
[  416.556825]  ? rcu_irq_exit+0x1a2/0x390
[  416.560853]  ? mark_held_locks+0x130/0x130
[  416.565105]  ? mark_held_locks+0x130/0x130
[  416.569342]  ? mark_held_locks+0xc7/0x130
[  416.573488]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  416.578502]  ? zap_class+0x640/0x640
[  416.582219]  ? print_usage_bug+0xc0/0xc0
[  416.586327]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.591883]  ? check_preemption_disabled+0x48/0x280
[  416.596908]  ? __lock_is_held+0xb5/0x140
[  416.600972]  __alloc_pages_nodemask+0xa80/0xde0
[  416.605641]  ? zap_class+0x640/0x640
[  416.609362]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  416.614383]  ? find_held_lock+0x36/0x1c0
[  416.618452]  ? ____cache_alloc_node+0x1c7/0x1e0
[  416.623381]  ? lock_downgrade+0x900/0x900
[  416.627555]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.633107]  cache_grow_begin+0xa5/0x8c0
[  416.637197]  ? do_raw_spin_unlock+0xa7/0x330
[  416.641619]  fallback_alloc+0x204/0x2e0
[  416.645628]  ____cache_alloc_node+0x1c7/0x1e0
[  416.650155]  kmem_cache_alloc_node+0xe3/0x730
[  416.654648]  ? ipv6_get_ifaddr+0x42e/0x620
[  416.658891]  __alloc_skb+0x119/0x770
[  416.662600]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  416.667894]  ? netdev_alloc_frag+0x1f0/0x1f0
[  416.672300]  ? lock_downgrade+0x900/0x900
[  416.676453]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.681986]  ? refcount_sub_and_test_checked+0x203/0x310
[  416.687435]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  416.692893]  ? addrconf_rs_timer+0x690/0x690
[  416.697324]  ndisc_alloc_skb+0x144/0x340
[  416.701388]  ndisc_send_rs+0x331/0x6e0
[  416.705297]  addrconf_rs_timer+0x314/0x690
[  416.709541]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.713785]  call_timer_fn+0x272/0x920
[  416.717683]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.721933]  ? process_timeout+0x40/0x40
[  416.726016]  ? mark_held_locks+0xc7/0x130
[  416.730225]  ? _raw_spin_unlock_irq+0x27/0x80
[  416.734713]  ? _raw_spin_unlock_irq+0x27/0x80
[  416.739207]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.743456]  ? lockdep_hardirqs_on+0x296/0x5b0
[  416.748039]  ? trace_hardirqs_on+0xbd/0x310
[  416.752839]  ? kasan_check_read+0x11/0x20
[  416.756988]  ? __run_timers+0x7da/0xc70
[  416.760964]  ? trace_hardirqs_off_caller+0x310/0x310
[  416.766090]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.770332]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.774576]  __run_timers+0x7e5/0xc70
[  416.778388]  ? timer_fixup_init+0x70/0x70
[  416.782544]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  416.787595]  ? zap_class+0x640/0x640
[  416.791324]  ? print_usage_bug+0xc0/0xc0
[  416.795414]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  416.800609]  ? find_held_lock+0x36/0x1c0
[  416.804672]  ? zap_class+0x640/0x640
[  416.808388]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.813927]  ? check_preemption_disabled+0x48/0x280
[  416.818947]  ? __lock_is_held+0xb5/0x140
[  416.823766]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.829305]  ? check_preemption_disabled+0x48/0x280
[  416.834325]  run_timer_softirq+0x52/0xb0
[  416.838381]  ? rcu_read_lock_sched_held+0x14f/0x180
[  416.843410]  __do_softirq+0x308/0xb7e
[  416.847244]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  416.851734]  ? lock_downgrade+0x900/0x900
[  416.855880]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  416.861018]  ? pvclock_read_flags+0x160/0x160
[  416.865512]  ? lapic_next_event+0x5a/0x90
[  416.869666]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.875254]  ? kvm_clock_read+0x18/0x30
[  416.879270]  ? kvm_sched_clock_read+0x9/0x20
[  416.883683]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.889264]  ? check_preemption_disabled+0x48/0x280
[  416.894312]  irq_exit+0x17f/0x1c0
[  416.897765]  smp_apic_timer_interrupt+0x1cb/0x760
[  416.902603]  ? smp_reschedule_interrupt+0x109/0x650
[  416.907616]  ? smp_call_function_single_interrupt+0x650/0x650
[  416.913502]  ? interrupt_entry+0xb5/0xc0
[  416.917612]  ? trace_hardirqs_off_caller+0xbb/0x310
[  416.922638]  ? trace_hardirqs_off_caller+0xbb/0x310
[  416.927650]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  416.932488]  ? trace_hardirqs_on_caller+0x310/0x310
[  416.937495]  ? trace_hardirqs_on_caller+0x310/0x310
[  416.942532]  ? task_prio+0x50/0x50
[  416.946069]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.951615]  ? check_preemption_disabled+0x48/0x280
[  416.956741]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  416.961715]  apic_timer_interrupt+0xf/0x20
[  416.965954]  </IRQ>
[  416.968192] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  416.973390] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec
[  416.992345] RSP: 0018:ffff8801c2d36100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  417.000052] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100385b2de6
[  417.007312] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c2d96ebc
[  417.014575] RBP: ffff8801c2d36128 R08: ffff8801c2d96f30 R09: 0000000000000006
[  417.021836] R10: 0000000000000000 R11: ffff8801c2d96640 R12: dffffc0000000000
[  417.029128] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  417.036435]  retint_kernel+0x1b/0x2d
[  417.040145] RIP: 0010:dump_stack+0x358/0x39d
[  417.044553] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  417.063474] RSP: 0018:ffff8801c2d361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  417.071192] RAX: ffff8801c2d96640 RBX: 1ffffffff12a3f76 RCX: 1ffff100385b2de6
[  417.078502] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  417.085771] RBP: ffff8801c2d36290 R08: ffff8801c2d96f30 R09: 0000000000000006
[  417.093034] R10: 0000000000000000 R11: ffff8801c2d96640 R12: 1ffff100385a6c45
[  417.100297] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  417.107573]  ? dump_stack+0x34f/0x39d
[  417.111381]  ? dump_stack_print_info.cold.1+0x20/0x20
[  417.116567]  ? mark_held_locks+0x130/0x130
[  417.120798]  ? mark_held_locks+0x130/0x130
[  417.125032]  dump_header+0x27b/0xf72
[  417.128753]  ? pagefault_out_of_memory+0x197/0x197
[  417.133681]  ? __lock_acquire+0x62f/0x4c20
[  417.137912]  ? percpu_ref_get_many+0x240/0x240
[  417.142489]  ? print_usage_bug+0xc0/0xc0
[  417.146558]  ? zap_class+0x640/0x640
[  417.150268]  ? print_usage_bug+0xc0/0xc0
[  417.154329]  ? print_usage_bug+0xc0/0xc0
[  417.158389]  ? zap_class+0x640/0x640
[  417.162101]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.167641]  ? find_held_lock+0x36/0x1c0
[  417.171708]  ? mark_held_locks+0xc7/0x130
[  417.175858]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  417.180962]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  417.186077]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  417.190719]  ? trace_hardirqs_on+0xbd/0x310
[  417.195067]  ? kasan_check_read+0x11/0x20
[  417.199227]  ? ___ratelimit+0x3b4/0x672
[  417.203202]  ? trace_hardirqs_off_caller+0x310/0x310
[  417.208309]  ? trace_hardirqs_on+0x310/0x310
[  417.212718]  ? lock_downgrade+0x900/0x900
[  417.216869]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  417.221974]  ? ___ratelimit+0x3b9/0x672
[  417.225950]  ? idr_get_free+0xf70/0xf70
[  417.229923]  ? find_held_lock+0x36/0x1c0
[  417.234027]  oom_kill_process.cold.27+0x10/0x903
[  417.238780]  ? zap_class+0x640/0x640
[  417.242490]  ? check_preemption_disabled+0x48/0x280
[  417.247506]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  417.252452]  ? kasan_check_read+0x11/0x20
[  417.256599]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  417.261875]  ? oom_evaluate_task+0x540/0x540
[  417.266281]  ? find_held_lock+0x36/0x1c0
[  417.270364]  ? out_of_memory+0x974/0x1430
[  417.274512]  ? lock_downgrade+0x900/0x900
[  417.278663]  ? check_preemption_disabled+0x48/0x280
[  417.283679]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  417.288614]  ? kasan_check_read+0x11/0x20
[  417.292755]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  417.298025]  ? rcu_softirq_qs+0x20/0x20
[  417.302047]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  417.307583]  ? oom_evaluate_task+0x302/0x540
[  417.312003]  out_of_memory+0xa84/0x1430
[  417.315997]  ? oom_killer_disable+0x3a0/0x3a0
[  417.320489]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  417.325426]  ? __ww_mutex_check_waiters+0x160/0x160
[  417.330447]  __alloc_pages_slowpath+0x2354/0x2e10
[  417.335330]  ? warn_alloc+0x120/0x120
[  417.339139]  ? mark_held_locks+0x130/0x130
[  417.343380]  ? find_get_entry+0xaae/0x1120
[  417.347622]  ? filemap_map_pages+0x1a20/0x1a20
[  417.352207]  ? zap_class+0x640/0x640
[  417.355924]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.361459]  ? check_preemption_disabled+0x48/0x280
[  417.366467]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  417.371999]  ? should_fail+0x22d/0xd01
[  417.375885]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  417.380987]  ? zap_class+0x640/0x640
[  417.384721]  ? __lock_is_held+0xb5/0x140
[  417.388788]  ? mark_held_locks+0x130/0x130
[  417.393054]  ? lock_release+0xa00/0xa00
[  417.397028]  ? perf_trace_sched_process_exec+0x860/0x860
[  417.402479]  ? xa_load+0x2ba/0x460
[  417.406048]  ? lock_downgrade+0x900/0x900
[  417.410202]  ? __might_sleep+0x95/0x190
[  417.414182]  __alloc_pages_nodemask+0xa80/0xde0
[  417.418855]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  417.423870]  ? __page_cache_alloc+0x191/0x5c0
[  417.428365]  ? xa_load+0x2e1/0x460
[  417.431907]  ? xa_clear_mark+0x40/0x40
[  417.435796]  ? zap_class+0x640/0x640
[  417.439513]  ? zap_class+0x640/0x640
[  417.443241]  ? zap_class+0x640/0x640
[  417.446955]  ? __do_page_cache_readahead+0x663/0x810
[  417.452059]  ? find_held_lock+0x36/0x1c0
[  417.456139]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  417.461688]  alloc_pages_current+0x173/0x350
[  417.466112]  __page_cache_alloc+0x38c/0x5c0
[  417.470428]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  417.475365]  ? kasan_check_read+0x11/0x20
[  417.479539]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  417.484817]  ? generic_perform_write+0x6a0/0x6a0
[  417.489570]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  417.495101]  ? check_preemption_disabled+0x48/0x280
[  417.500136]  filemap_fault+0x1595/0x25f0
[  417.504219]  ? __lock_page_or_retry+0xa00/0xa00
[  417.508900]  ? mark_held_locks+0x130/0x130
[  417.513137]  ? filemap_map_pages+0xd6b/0x1a20
[  417.517657]  ? lock_downgrade+0x900/0x900
[  417.521804]  ? check_preemption_disabled+0x48/0x280
[  417.526822]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  417.531748]  ? kasan_check_read+0x11/0x20
[  417.535893]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  417.541181]  ? rcu_softirq_qs+0x20/0x20
[  417.545194]  ? filemap_map_pages+0xd92/0x1a20
[  417.549701]  ? find_get_entries_tag+0x1400/0x1400
[  417.554557]  ? find_held_lock+0x36/0x1c0
[  417.558668]  ? lock_acquire+0x1ed/0x520
[  417.562659]  ? ext4_filemap_fault+0x7a/0xad
[  417.566986]  ? lock_release+0xa00/0xa00
[  417.570985]  ? perf_trace_sched_process_exec+0x860/0x860
[  417.576464]  ? print_usage_bug+0xc0/0xc0
[  417.580543]  ? down_read+0x8d/0x120
[  417.584166]  ? ext4_filemap_fault+0x7a/0xad
[  417.588489]  ? __down_interruptible+0x700/0x700
[  417.593153]  ? find_held_lock+0x36/0x1c0
[  417.597222]  ext4_filemap_fault+0x82/0xad
[  417.601395]  __do_fault+0x100/0x6b0
[  417.605031]  ? lock_downgrade+0x900/0x900
[  417.609172]  ? pmd_devmap_trans_unstable+0x220/0x220
[  417.614340]  ? kasan_check_read+0x11/0x20
[  417.618539]  ? do_raw_spin_unlock+0xa7/0x330
[  417.623005]  ? do_raw_spin_trylock+0x270/0x270
[  417.627612]  __handle_mm_fault+0x3ea0/0x5be0
[  417.632050]  ? perf_trace_lock+0x7a0/0x7a0
[  417.636300]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  417.641166]  ? zap_class+0x640/0x640
[  417.644889]  ? zap_class+0x640/0x640
[  417.648631]  ? __x64_sys_futex+0x53e/0x6a0
[  417.652885]  ? find_held_lock+0x36/0x1c0
[  417.656985]  ? handle_mm_fault+0x42a/0xc70
[  417.661236]  ? lock_downgrade+0x900/0x900
[  417.665378]  ? check_preemption_disabled+0x48/0x280
[  417.670399]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  417.675323]  ? kasan_check_read+0x11/0x20
[  417.679463]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  417.684738]  ? rcu_softirq_qs+0x20/0x20
[  417.688711]  ? trace_hardirqs_off_caller+0x310/0x310
[  417.693812]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  417.699342]  ? check_preemption_disabled+0x48/0x280
[  417.704361]  handle_mm_fault+0x54f/0xc70
[  417.708434]  ? __handle_mm_fault+0x5be0/0x5be0
[  417.713034]  ? find_vma+0x34/0x190
[  417.716610]  __do_page_fault+0x5e8/0xe60
[  417.720666]  ? trace_hardirqs_off+0xb8/0x310
[  417.725072]  ? kernel_write+0x120/0x120
[  417.729065]  do_page_fault+0xf2/0x7e0
[  417.732865]  ? vmalloc_sync_all+0x30/0x30
[  417.737009]  ? error_entry+0x70/0xd0
[  417.740743]  ? trace_hardirqs_off_caller+0xbb/0x310
[  417.745765]  ? trace_hardirqs_on_caller+0xc0/0x310
[  417.750685]  ? syscall_return_slowpath+0x5e0/0x5e0
[  417.755605]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  417.760488]  ? trace_hardirqs_on_caller+0x310/0x310
[  417.765546]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  417.771000]  ? prepare_exit_to_usermode+0x291/0x3b0
[  417.776017]  ? page_fault+0x8/0x30
[  417.779561]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  417.784402]  ? page_fault+0x8/0x30
[  417.787943]  page_fault+0x1e/0x30
[  417.791396] RIP: 0033:0x404068
[  417.794592] Code: Bad RIP value.
[  417.797958] RSP: 002b:000000c420024e48 EFLAGS: 00010206
[  417.803315] RAX: 000000c422dd4cc0 RBX: 000000c42875f801 RCX: 000000c424d31838
[  417.810599] RDX: 000000c422dd4cc0 RSI: 0000000000000001 RDI: 0000000000000001
[  417.817864] RBP: 000000c420024ed8 R08: 00007ffd3a9b40b0 R09: 00007ffd3a9b4080
[  417.825122] R10: 000000000000eacc R11: 0000000000000165 R12: 0000000000000001
[  417.832383] R13: 000000c4271c3620 R14: 0000000000000001 R15: 0000000000000000
[  417.839685] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #83
[  417.839784] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  417.846452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  417.846456] Call Trace:
[  417.846474]  dump_stack+0x244/0x39d
[  417.846491]  ? dump_stack_print_info.cold.1+0x20/0x20
[  417.853062] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  417.862344]  warn_alloc.cold.116+0xb7/0x1bd
[  417.865029] syz-fuzzer cpuset=/ mems_allowed=0
[  417.868676]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  417.897771]  ? lock_downgrade+0x900/0x900
[  417.901923]  ? trace_hardirqs_off+0xb8/0x310
[  417.906333]  ? trace_hardirqs_off+0xb8/0x310
[  417.910743]  __alloc_pages_slowpath+0x26e8/0x2e10
[  417.915606]  ? warn_alloc+0x120/0x120
[  417.919420]  ? warn_alloc+0x120/0x120
[  417.923219]  ? warn_alloc+0x120/0x120
[  417.927027]  ? print_usage_bug+0xc0/0xc0
[  417.931088]  ? print_usage_bug+0xc0/0xc0
[  417.935208]  ? mark_held_locks+0x130/0x130
[  417.939484]  ? mark_held_locks+0x130/0x130
[  417.943718]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  417.949247]  ? should_fail+0x22d/0xd01
[  417.953157]  ? zap_class+0x640/0x640
[  417.956868]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  417.961966]  ? __lock_acquire+0x62f/0x4c20
[  417.966198]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  417.971332]  ? __lock_acquire+0x62f/0x4c20
[  417.975615]  ? should_fail+0x22d/0xd01
[  417.979518]  ? mark_held_locks+0x130/0x130
[  417.983775]  ? mark_held_locks+0x130/0x130
[  417.988036]  ? lock_downgrade+0x900/0x900
[  417.992183]  ? zap_class+0x640/0x640
[  417.995911]  ? zap_class+0x640/0x640
[  417.999616]  ? do_raw_spin_unlock+0xa7/0x330
[  418.004055]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  418.008821]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.014356]  ? check_preemption_disabled+0x48/0x280
[  418.019389]  ? __lock_is_held+0xb5/0x140
[  418.023447]  __alloc_pages_nodemask+0xa80/0xde0
[  418.028124]  ? zap_class+0x640/0x640
[  418.031833]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  418.036854]  ? find_held_lock+0x36/0x1c0
[  418.040936]  ? ____cache_alloc_node+0x1c7/0x1e0
[  418.045628]  ? lock_downgrade+0x900/0x900
[  418.049810]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.055405]  cache_grow_begin+0xa5/0x8c0
[  418.059486]  ? do_raw_spin_unlock+0xa7/0x330
[  418.063895]  fallback_alloc+0x204/0x2e0
[  418.067866]  ____cache_alloc_node+0x1c7/0x1e0
[  418.072385]  kmem_cache_alloc_node+0xe3/0x730
[  418.076898]  ? lockdep_hardirqs_on+0x296/0x5b0
[  418.081520]  __alloc_skb+0x119/0x770
[  418.085234]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  418.090593]  ? netdev_alloc_frag+0x1f0/0x1f0
[  418.094999]  ? vprintk_default+0x28/0x30
[  418.099070]  ? vprintk_func+0x85/0x181
[  418.102949]  ? printk+0xa7/0xcf
[  418.106238]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  418.110989]  ? do_raw_spin_trylock+0x270/0x270
[  418.115573]  new_skb+0x26/0x1c0
[  418.118846]  aoecmd_cfg+0x279/0x7f0
[  418.122467]  ? find_held_lock+0x36/0x1c0
[  418.126531]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  418.130880]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.136444]  ? __lock_is_held+0xb5/0x140
[  418.140510]  discover_timer+0x50/0x60
[  418.144309]  call_timer_fn+0x272/0x920
[  418.148194]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  418.153030]  ? process_timeout+0x40/0x40
[  418.157106]  ? __run_timers+0x7da/0xc70
[  418.161109]  ? _raw_spin_unlock_irq+0x27/0x80
[  418.165599]  ? _raw_spin_unlock_irq+0x27/0x80
[  418.170088]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  418.174922]  ? lockdep_hardirqs_on+0x296/0x5b0
[  418.179496]  ? trace_hardirqs_on+0xbd/0x310
[  418.183816]  ? kasan_check_read+0x11/0x20
[  418.187954]  ? __run_timers+0x7da/0xc70
[  418.191922]  ? trace_hardirqs_off_caller+0x310/0x310
[  418.197059]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  418.201909]  __run_timers+0x7e5/0xc70
[  418.205711]  ? timer_fixup_init+0x70/0x70
[  418.209850]  ? _raw_spin_unlock_irq+0x27/0x80
[  418.214336]  ? _raw_spin_unlock_irq+0x27/0x80
[  418.218867]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  418.223491]  ? trace_hardirqs_on+0xbd/0x310
[  418.227826]  ? kasan_check_read+0x11/0x20
[  418.231986]  ? finish_task_switch+0x1f4/0x910
[  418.236492]  ? trace_hardirqs_off_caller+0x310/0x310
[  418.241622]  ? compat_start_thread+0x80/0x80
[  418.246058]  ? pvclock_read_flags+0x160/0x160
[  418.250599]  ? __switch_to_asm+0x34/0x70
[  418.254654]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.260183]  ? check_preemption_disabled+0x48/0x280
[  418.265199]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  418.270738]  ? rcu_pm_notify+0xc0/0xc0
[  418.274633]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.280163]  ? check_preemption_disabled+0x48/0x280
[  418.285179]  run_timer_softirq+0x52/0xb0
[  418.289234]  ? rcu_read_lock_sched_held+0x14f/0x180
[  418.294239]  __do_softirq+0x308/0xb7e
[  418.298055]  ? trace_hardirqs_on_caller+0xc0/0x310
[  418.303015]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  418.308128]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  418.313611]  ? schedule+0x108/0x460
[  418.317286]  ? trace_hardirqs_off+0xb8/0x310
[  418.321688]  ? smpboot_thread_fn+0x68b/0xa00
[  418.326134]  ? trace_hardirqs_on+0x310/0x310
[  418.330538]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  418.336067]  ? check_preemption_disabled+0x48/0x280
[  418.341073]  ? takeover_tasklets+0xa90/0xa90
[  418.345488]  run_ksoftirqd+0x5e/0x100
[  418.349308]  smpboot_thread_fn+0x68b/0xa00
[  418.353564]  ? sort_range+0x30/0x30
[  418.357201]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  418.362296]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  418.367825]  ? __kthread_parkme+0xfb/0x1a0
[  418.372053]  ? sort_range+0x30/0x30
[  418.375692]  kthread+0x35a/0x440
[  418.379070]  ? kthread_stop+0x900/0x900
[  418.383041]  ret_from_fork+0x3a/0x50
[  418.386797] warn_alloc_show_mem: 1 callbacks suppressed
[  418.386807] CPU: 1 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  418.386808] Mem-Info:
[  418.386838] active_anon:44321 inactive_anon:2061 isolated_anon:0
[  418.386838]  active_file:14 inactive_file:14 isolated_file:0
[  418.386838]  unevictable:0 dirty:0 writeback:0 unstable:0
[  418.386838]  slab_reclaimable:9437 slab_unreclaimable:1460937
[  418.386838]  mapped:49154 shmem:2105 pagetables:642 bounce:0
[  418.386838]  free:13638 free_pcp:328 free_cma:0
[  418.392203] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  418.399134] Node 0 active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8420kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  418.401539] Call Trace:
[  418.434588] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  418.443923]  <IRQ>
[  418.471662] lowmem_reserve[]: 0 2818 6321 6321
[  418.474238]  dump_stack+0x244/0x39d
[  418.500317] Node 0 DMA32 free:24708kB 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
[  418.502459]  ? dump_stack_print_info.cold.1+0x20/0x20
[  418.507039] lowmem_reserve[]: 0 0 3503 3503
[  418.510667]  warn_alloc.cold.116+0xb7/0x1bd
[  418.538155] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2568kB bounce:0kB free_pcp:1064kB local_pcp:692kB free_cma:0kB
[  418.543333]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  418.547627] lowmem_reserve[]: 0 0 0 0
[  418.551939]  ? lock_downgrade+0x900/0x900
[  418.580970] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  418.585808]  ? trace_hardirqs_off+0xb8/0x310
[  418.589580] Node 0 DMA32: 5*4kB (UM) 2*8kB (MH) 2*16kB (MH) 4*32kB (MH) 3*64kB (M) 2*128kB (M) 4*256kB (UMH) 3*512kB (UM) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24708kB
[  418.593718]  ? trace_hardirqs_off+0xb8/0x310
[  418.607227] Node 0 Normal: 930*4kB (MEH) 535*8kB (UMEH) 215*16kB (UME) 80*32kB (UMH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  418.611630]  __alloc_pages_slowpath+0x26e8/0x2e10
[  418.627321] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  418.631729]  ? warn_alloc+0x120/0x120
[  418.645468] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  418.650311]  ? print_usage_bug+0xc0/0xc0
[  418.659116] 2133 total pagecache pages
[  418.662901]  ? warn_alloc+0x120/0x120
[  418.671453] 0 pages in swap cache
[  418.675495]  ? warn_alloc+0x120/0x120
[  418.679356] Swap cache stats: add 0, delete 0, find 0/0
[  418.683145]  ? print_usage_bug+0xc0/0xc0
[  418.686578] Free swap  = 0kB
[  418.690380]  ? kvm_clock_read+0x18/0x30
[  418.695744] Total swap = 0kB
[  418.699807]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  418.702838] 1965979 pages RAM
[  418.706822]  ? print_usage_bug+0xc0/0xc0
[  418.709811] 0 pages HighMem/MovableOnly
[  418.714858]  ? __lock_acquire+0x62f/0x4c20
[  418.717950] 342853 pages reserved
[  418.722050]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  418.726006] 0 pages cma reserved
[  418.730277]  ? should_fail+0x22d/0xd01
[  418.733805] aoe: skb alloc failure
[  418.739224]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  418.739240]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  418.742634] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  418.746455]  ? __lock_acquire+0x62f/0x4c20
[  418.749966] ksoftirqd/0 cpuset=/ mems_allowed=0
[  418.755688]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  418.785045]  ? __lock_acquire+0x62f/0x4c20
[  418.789289]  ? should_fail+0x22d/0xd01
[  418.793167]  ? rcu_irq_exit+0x1a2/0x390
[  418.797176]  ? mark_held_locks+0x130/0x130
[  418.801410]  ? mark_held_locks+0x130/0x130
[  418.805669]  ? mark_held_locks+0xc7/0x130
[  418.809823]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  418.814832]  ? zap_class+0x640/0x640
[  418.818546]  ? print_usage_bug+0xc0/0xc0
[  418.822607]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.828146]  ? check_preemption_disabled+0x48/0x280
[  418.833171]  ? __lock_is_held+0xb5/0x140
[  418.837237]  __alloc_pages_nodemask+0xa80/0xde0
[  418.841936]  ? zap_class+0x640/0x640
[  418.845673]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  418.850703]  ? find_held_lock+0x36/0x1c0
[  418.854772]  ? ____cache_alloc_node+0x1c7/0x1e0
[  418.859438]  ? lock_downgrade+0x900/0x900
[  418.863599]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.869152]  cache_grow_begin+0xa5/0x8c0
[  418.873213]  ? do_raw_spin_unlock+0xa7/0x330
[  418.877626]  fallback_alloc+0x204/0x2e0
[  418.881643]  ____cache_alloc_node+0x1c7/0x1e0
[  418.886138]  kmem_cache_alloc_node+0xe3/0x730
[  418.890635]  ? ipv6_get_ifaddr+0x42e/0x620
[  418.894876]  __alloc_skb+0x119/0x770
[  418.898588]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  418.903864]  ? netdev_alloc_frag+0x1f0/0x1f0
[  418.908267]  ? lock_downgrade+0x900/0x900
[  418.912424]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.918003]  ? refcount_sub_and_test_checked+0x203/0x310
[  418.923486]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  418.928934]  ? addrconf_rs_timer+0x690/0x690
[  418.933353]  ndisc_alloc_skb+0x144/0x340
[  418.937414]  ndisc_send_rs+0x331/0x6e0
[  418.941305]  addrconf_rs_timer+0x314/0x690
[  418.945549]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.949791]  call_timer_fn+0x272/0x920
[  418.953678]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.957905]  ? process_timeout+0x40/0x40
[  418.961983]  ? mark_held_locks+0xc7/0x130
[  418.966129]  ? _raw_spin_unlock_irq+0x27/0x80
[  418.970617]  ? _raw_spin_unlock_irq+0x27/0x80
[  418.975130]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.979365]  ? lockdep_hardirqs_on+0x296/0x5b0
[  418.983972]  ? trace_hardirqs_on+0xbd/0x310
[  418.988282]  ? kasan_check_read+0x11/0x20
[  418.992428]  ? __run_timers+0x7da/0xc70
[  418.996398]  ? trace_hardirqs_off_caller+0x310/0x310
[  419.001533]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  419.005811]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  419.010051]  __run_timers+0x7e5/0xc70
[  419.013871]  ? timer_fixup_init+0x70/0x70
[  419.018010]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  419.023050]  ? zap_class+0x640/0x640
[  419.026767]  ? print_usage_bug+0xc0/0xc0
[  419.030824]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  419.036008]  ? find_held_lock+0x36/0x1c0
[  419.040065]  ? zap_class+0x640/0x640
[  419.043810]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.049349]  ? check_preemption_disabled+0x48/0x280
[  419.054381]  ? __lock_is_held+0xb5/0x140
[  419.058435]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.063961]  ? check_preemption_disabled+0x48/0x280
[  419.068985]  run_timer_softirq+0x52/0xb0
[  419.073054]  ? rcu_read_lock_sched_held+0x14f/0x180
[  419.078106]  __do_softirq+0x308/0xb7e
[  419.081913]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  419.086419]  ? lock_downgrade+0x900/0x900
[  419.090562]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  419.095663]  ? pvclock_read_flags+0x160/0x160
[  419.100153]  ? lapic_next_event+0x5a/0x90
[  419.104301]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.109867]  ? kvm_clock_read+0x18/0x30
[  419.113830]  ? kvm_sched_clock_read+0x9/0x20
[  419.118250]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.123791]  ? check_preemption_disabled+0x48/0x280
[  419.128832]  irq_exit+0x17f/0x1c0
[  419.132298]  smp_apic_timer_interrupt+0x1cb/0x760
[  419.137181]  ? smp_reschedule_interrupt+0x109/0x650
[  419.142189]  ? smp_call_function_single_interrupt+0x650/0x650
[  419.148081]  ? interrupt_entry+0xb5/0xc0
[  419.152165]  ? trace_hardirqs_off_caller+0xbb/0x310
[  419.157175]  ? trace_hardirqs_off_caller+0xbb/0x310
[  419.162184]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  419.167096]  ? trace_hardirqs_on_caller+0x310/0x310
[  419.172119]  ? trace_hardirqs_on_caller+0x310/0x310
[  419.177126]  ? task_prio+0x50/0x50
[  419.180670]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.186228]  ? check_preemption_disabled+0x48/0x280
[  419.191241]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  419.196084]  apic_timer_interrupt+0xf/0x20
[  419.200320]  </IRQ>
[  419.202590] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  419.207801] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec
[  419.226692] RSP: 0018:ffff8801c2d36100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  419.234389] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100385b2de6
[  419.241649] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c2d96ebc
[  419.248911] RBP: ffff8801c2d36128 R08: ffff8801c2d96f30 R09: 0000000000000006
[  419.256171] R10: 0000000000000000 R11: ffff8801c2d96640 R12: dffffc0000000000
[  419.263431] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  419.270730]  retint_kernel+0x1b/0x2d
[  419.274464] RIP: 0010:dump_stack+0x358/0x39d
[  419.278879] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  419.297785] RSP: 0018:ffff8801c2d361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  419.305501] RAX: ffff8801c2d96640 RBX: 1ffffffff12a3f76 RCX: 1ffff100385b2de6
[  419.312768] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  419.320042] RBP: ffff8801c2d36290 R08: ffff8801c2d96f30 R09: 0000000000000006
[  419.327307] R10: 0000000000000000 R11: ffff8801c2d96640 R12: 1ffff100385a6c45
[  419.334663] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  419.341938]  ? dump_stack+0x34f/0x39d
[  419.345771]  ? dump_stack_print_info.cold.1+0x20/0x20
[  419.350963]  ? mark_held_locks+0x130/0x130
[  419.355223]  ? mark_held_locks+0x130/0x130
[  419.359501]  dump_header+0x27b/0xf72
[  419.363236]  ? pagefault_out_of_memory+0x197/0x197
[  419.368178]  ? __lock_acquire+0x62f/0x4c20
[  419.372453]  ? percpu_ref_get_many+0x240/0x240
[  419.377061]  ? print_usage_bug+0xc0/0xc0
[  419.381172]  ? zap_class+0x640/0x640
[  419.384939]  ? print_usage_bug+0xc0/0xc0
[  419.389064]  ? print_usage_bug+0xc0/0xc0
[  419.393121]  ? zap_class+0x640/0x640
[  419.396865]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.402420]  ? find_held_lock+0x36/0x1c0
[  419.406483]  ? mark_held_locks+0xc7/0x130
[  419.410654]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  419.415766]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  419.420860]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  419.425436]  ? trace_hardirqs_on+0xbd/0x310
[  419.429775]  ? kasan_check_read+0x11/0x20
[  419.433920]  ? ___ratelimit+0x3b4/0x672
[  419.437892]  ? trace_hardirqs_off_caller+0x310/0x310
[  419.443004]  ? trace_hardirqs_on+0x310/0x310
[  419.447436]  ? lock_downgrade+0x900/0x900
[  419.451585]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  419.456681]  ? ___ratelimit+0x3b9/0x672
[  419.460659]  ? idr_get_free+0xf70/0xf70
[  419.464625]  ? find_held_lock+0x36/0x1c0
[  419.468689]  oom_kill_process.cold.27+0x10/0x903
[  419.473441]  ? zap_class+0x640/0x640
[  419.477175]  ? check_preemption_disabled+0x48/0x280
[  419.482709]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  419.487677]  ? kasan_check_read+0x11/0x20
[  419.491836]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  419.497102]  ? oom_evaluate_task+0x540/0x540
[  419.501505]  ? find_held_lock+0x36/0x1c0
[  419.505631]  ? out_of_memory+0x974/0x1430
[  419.509779]  ? lock_downgrade+0x900/0x900
[  419.513919]  ? check_preemption_disabled+0x48/0x280
[  419.518928]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  419.523862]  ? kasan_check_read+0x11/0x20
[  419.528000]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  419.533293]  ? rcu_softirq_qs+0x20/0x20
[  419.537298]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.542860]  ? oom_evaluate_task+0x302/0x540
[  419.547266]  out_of_memory+0xa84/0x1430
[  419.551265]  ? oom_killer_disable+0x3a0/0x3a0
[  419.555760]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  419.560707]  ? __ww_mutex_check_waiters+0x160/0x160
[  419.565730]  __alloc_pages_slowpath+0x2354/0x2e10
[  419.570595]  ? warn_alloc+0x120/0x120
[  419.574393]  ? mark_held_locks+0x130/0x130
[  419.578630]  ? find_get_entry+0xaae/0x1120
[  419.582871]  ? filemap_map_pages+0x1a20/0x1a20
[  419.587455]  ? zap_class+0x640/0x640
[  419.591167]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.596698]  ? check_preemption_disabled+0x48/0x280
[  419.601745]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.607296]  ? should_fail+0x22d/0xd01
[  419.611196]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  419.616308]  ? zap_class+0x640/0x640
[  419.620110]  ? __lock_is_held+0xb5/0x140
[  419.624170]  ? mark_held_locks+0x130/0x130
[  419.628402]  ? lock_release+0xa00/0xa00
[  419.632373]  ? perf_trace_sched_process_exec+0x860/0x860
[  419.637835]  ? xa_load+0x2ba/0x460
[  419.641434]  ? lock_downgrade+0x900/0x900
[  419.645587]  ? __might_sleep+0x95/0x190
[  419.649565]  __alloc_pages_nodemask+0xa80/0xde0
[  419.654254]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  419.659293]  ? __page_cache_alloc+0x191/0x5c0
[  419.663796]  ? xa_load+0x2e1/0x460
[  419.667344]  ? xa_clear_mark+0x40/0x40
[  419.671273]  ? zap_class+0x640/0x640
[  419.675059]  ? zap_class+0x640/0x640
[  419.678775]  ? zap_class+0x640/0x640
[  419.682510]  ? __do_page_cache_readahead+0x663/0x810
[  419.687644]  ? find_held_lock+0x36/0x1c0
[  419.691704]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  419.697242]  alloc_pages_current+0x173/0x350
[  419.701672]  __page_cache_alloc+0x38c/0x5c0
[  419.705992]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  419.710927]  ? kasan_check_read+0x11/0x20
[  419.715095]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  419.720380]  ? generic_perform_write+0x6a0/0x6a0
[  419.725129]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.730660]  ? check_preemption_disabled+0x48/0x280
[  419.735678]  filemap_fault+0x1595/0x25f0
[  419.739745]  ? __lock_page_or_retry+0xa00/0xa00
[  419.744408]  ? mark_held_locks+0x130/0x130
[  419.748644]  ? filemap_map_pages+0xd6b/0x1a20
[  419.753135]  ? lock_downgrade+0x900/0x900
[  419.757302]  ? check_preemption_disabled+0x48/0x280
[  419.762337]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  419.767304]  ? kasan_check_read+0x11/0x20
[  419.771446]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  419.776722]  ? rcu_softirq_qs+0x20/0x20
[  419.780715]  ? filemap_map_pages+0xd92/0x1a20
[  419.785216]  ? find_get_entries_tag+0x1400/0x1400
[  419.790095]  ? find_held_lock+0x36/0x1c0
[  419.794205]  ? lock_acquire+0x1ed/0x520
[  419.798203]  ? ext4_filemap_fault+0x7a/0xad
[  419.802603]  ? lock_release+0xa00/0xa00
[  419.806579]  ? perf_trace_sched_process_exec+0x860/0x860
[  419.812028]  ? print_usage_bug+0xc0/0xc0
[  419.816101]  ? down_read+0x8d/0x120
[  419.819750]  ? ext4_filemap_fault+0x7a/0xad
[  419.824132]  ? __down_interruptible+0x700/0x700
[  419.828819]  ? find_held_lock+0x36/0x1c0
[  419.832913]  ext4_filemap_fault+0x82/0xad
[  419.837094]  __do_fault+0x100/0x6b0
[  419.840735]  ? lock_downgrade+0x900/0x900
[  419.844895]  ? pmd_devmap_trans_unstable+0x220/0x220
[  419.849998]  ? kasan_check_read+0x11/0x20
[  419.854173]  ? do_raw_spin_unlock+0xa7/0x330
[  419.858577]  ? do_raw_spin_trylock+0x270/0x270
[  419.863188]  __handle_mm_fault+0x3ea0/0x5be0
[  419.867624]  ? perf_trace_lock+0x7a0/0x7a0
[  419.871864]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  419.876727]  ? zap_class+0x640/0x640
[  419.880451]  ? zap_class+0x640/0x640
[  419.884162]  ? __x64_sys_futex+0x53e/0x6a0
[  419.888399]  ? find_held_lock+0x36/0x1c0
[  419.892467]  ? handle_mm_fault+0x42a/0xc70
[  419.896698]  ? lock_downgrade+0x900/0x900
[  419.900843]  ? check_preemption_disabled+0x48/0x280
[  419.905877]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  419.910805]  ? kasan_check_read+0x11/0x20
[  419.914947]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  419.920232]  ? rcu_softirq_qs+0x20/0x20
[  419.924223]  ? trace_hardirqs_off_caller+0x310/0x310
[  419.929367]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.934903]  ? check_preemption_disabled+0x48/0x280
[  419.939921]  handle_mm_fault+0x54f/0xc70
[  419.943977]  ? __handle_mm_fault+0x5be0/0x5be0
[  419.948559]  ? find_vma+0x34/0x190
[  419.952125]  __do_page_fault+0x5e8/0xe60
[  419.956194]  ? trace_hardirqs_off+0xb8/0x310
[  419.960612]  ? kernel_write+0x120/0x120
[  419.964587]  do_page_fault+0xf2/0x7e0
[  419.968379]  ? vmalloc_sync_all+0x30/0x30
[  419.972519]  ? error_entry+0x70/0xd0
[  419.976263]  ? trace_hardirqs_off_caller+0xbb/0x310
[  419.981278]  ? trace_hardirqs_on_caller+0xc0/0x310
[  419.986235]  ? syscall_return_slowpath+0x5e0/0x5e0
[  419.991157]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  419.996009]  ? trace_hardirqs_on_caller+0x310/0x310
[  420.001031]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  420.006476]  ? prepare_exit_to_usermode+0x291/0x3b0
[  420.011483]  ? page_fault+0x8/0x30
[  420.015018]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  420.019876]  ? page_fault+0x8/0x30
[  420.023414]  page_fault+0x1e/0x30
[  420.026860] RIP: 0033:0x404068
[  420.030107] Code: Bad RIP value.
[  420.033491] RSP: 002b:000000c420024e48 EFLAGS: 00010206
[  420.038848] RAX: 000000c422dd4cc0 RBX: 000000c42875f801 RCX: 000000c424d31838
[  420.046112] RDX: 000000c422dd4cc0 RSI: 0000000000000001 RDI: 0000000000000001
[  420.053373] RBP: 000000c420024ed8 R08: 00007ffd3a9b40b0 R09: 00007ffd3a9b4080
[  420.060632] R10: 000000000000eacc R11: 0000000000000165 R12: 0000000000000001
[  420.067895] R13: 000000c4271c3620 R14: 0000000000000001 R15: 0000000000000000
[  420.075189] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #83
[  420.075253] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  420.081945] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  420.081953] Call Trace:
[  420.088557] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  420.097790]  dump_stack+0x244/0x39d
[  420.100344] syz-fuzzer cpuset=/ mems_allowed=0
[  420.110565]  ? dump_stack_print_info.cold.1+0x20/0x20
[  420.123928]  warn_alloc.cold.116+0xb7/0x1bd
[  420.128247]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  420.133135]  ? lock_downgrade+0x900/0x900
[  420.137282]  ? trace_hardirqs_off+0xb8/0x310
[  420.141690]  ? trace_hardirqs_off+0xb8/0x310
[  420.146098]  __alloc_pages_slowpath+0x26e8/0x2e10
[  420.150962]  ? warn_alloc+0x120/0x120
[  420.154776]  ? warn_alloc+0x120/0x120
[  420.158596]  ? warn_alloc+0x120/0x120
[  420.162405]  ? print_usage_bug+0xc0/0xc0
[  420.166506]  ? print_usage_bug+0xc0/0xc0
[  420.170579]  ? mark_held_locks+0x130/0x130
[  420.174819]  ? mark_held_locks+0x130/0x130
[  420.179063]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  420.184592]  ? should_fail+0x22d/0xd01
[  420.188468]  ? zap_class+0x640/0x640
[  420.192204]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  420.197313]  ? __lock_acquire+0x62f/0x4c20
[  420.201550]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  420.206643]  ? __lock_acquire+0x62f/0x4c20
[  420.210867]  ? should_fail+0x22d/0xd01
[  420.214753]  ? mark_held_locks+0x130/0x130
[  420.218979]  ? mark_held_locks+0x130/0x130
[  420.223208]  ? lock_downgrade+0x900/0x900
[  420.227363]  ? zap_class+0x640/0x640
[  420.231077]  ? zap_class+0x640/0x640
[  420.234803]  ? do_raw_spin_unlock+0xa7/0x330
[  420.239209]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  420.243960]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.249493]  ? check_preemption_disabled+0x48/0x280
[  420.254574]  ? __lock_is_held+0xb5/0x140
[  420.258635]  __alloc_pages_nodemask+0xa80/0xde0
[  420.263297]  ? zap_class+0x640/0x640
[  420.267061]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  420.272077]  ? find_held_lock+0x36/0x1c0
[  420.276162]  ? ____cache_alloc_node+0x1c7/0x1e0
[  420.280827]  ? lock_downgrade+0x900/0x900
[  420.284988]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.290548]  cache_grow_begin+0xa5/0x8c0
[  420.294635]  ? do_raw_spin_unlock+0xa7/0x330
[  420.299061]  fallback_alloc+0x204/0x2e0
[  420.303040]  ____cache_alloc_node+0x1c7/0x1e0
[  420.307554]  kmem_cache_alloc_node+0xe3/0x730
[  420.312064]  ? lockdep_hardirqs_on+0x296/0x5b0
[  420.316653]  __alloc_skb+0x119/0x770
[  420.320364]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  420.325727]  ? netdev_alloc_frag+0x1f0/0x1f0
[  420.330139]  ? vprintk_default+0x28/0x30
[  420.334194]  ? vprintk_func+0x85/0x181
[  420.338110]  ? printk+0xa7/0xcf
[  420.341407]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  420.346178]  ? do_raw_spin_trylock+0x270/0x270
[  420.350773]  new_skb+0x26/0x1c0
[  420.354079]  aoecmd_cfg+0x279/0x7f0
[  420.357715]  ? find_held_lock+0x36/0x1c0
[  420.361809]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  420.366163]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.371709]  ? __lock_is_held+0xb5/0x140
[  420.375778]  discover_timer+0x50/0x60
[  420.379578]  call_timer_fn+0x272/0x920
[  420.383459]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  420.388293]  ? process_timeout+0x40/0x40
[  420.392371]  ? __run_timers+0x7da/0xc70
[  420.396339]  ? _raw_spin_unlock_irq+0x27/0x80
[  420.400831]  ? _raw_spin_unlock_irq+0x27/0x80
[  420.405346]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  420.410198]  ? lockdep_hardirqs_on+0x296/0x5b0
[  420.414780]  ? trace_hardirqs_on+0xbd/0x310
[  420.419098]  ? kasan_check_read+0x11/0x20
[  420.423245]  ? __run_timers+0x7da/0xc70
[  420.427235]  ? trace_hardirqs_off_caller+0x310/0x310
[  420.432344]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  420.437181]  __run_timers+0x7e5/0xc70
[  420.440993]  ? timer_fixup_init+0x70/0x70
[  420.445164]  ? _raw_spin_unlock_irq+0x27/0x80
[  420.449682]  ? _raw_spin_unlock_irq+0x27/0x80
[  420.454223]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  420.458808]  ? trace_hardirqs_on+0xbd/0x310
[  420.463125]  ? kasan_check_read+0x11/0x20
[  420.467288]  ? finish_task_switch+0x1f4/0x910
[  420.471799]  ? trace_hardirqs_off_caller+0x310/0x310
[  420.476897]  ? compat_start_thread+0x80/0x80
[  420.481320]  ? pvclock_read_flags+0x160/0x160
[  420.485811]  ? __switch_to_asm+0x34/0x70
[  420.489864]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.495395]  ? check_preemption_disabled+0x48/0x280
[  420.500410]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  420.505976]  ? rcu_pm_notify+0xc0/0xc0
[  420.509857]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.515397]  ? check_preemption_disabled+0x48/0x280
[  420.520420]  run_timer_softirq+0x52/0xb0
[  420.524470]  ? rcu_read_lock_sched_held+0x14f/0x180
[  420.529511]  __do_softirq+0x308/0xb7e
[  420.533319]  ? trace_hardirqs_on_caller+0xc0/0x310
[  420.538250]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  420.543351]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  420.548803]  ? schedule+0x108/0x460
[  420.552427]  ? trace_hardirqs_off+0xb8/0x310
[  420.556829]  ? smpboot_thread_fn+0x68b/0xa00
[  420.561271]  ? trace_hardirqs_on+0x310/0x310
[  420.565673]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  420.571247]  ? check_preemption_disabled+0x48/0x280
[  420.576269]  ? takeover_tasklets+0xa90/0xa90
[  420.580683]  run_ksoftirqd+0x5e/0x100
[  420.584476]  smpboot_thread_fn+0x68b/0xa00
[  420.588708]  ? sort_range+0x30/0x30
[  420.592325]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  420.597430]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  420.602981]  ? __kthread_parkme+0xfb/0x1a0
[  420.607212]  ? sort_range+0x30/0x30
[  420.610845]  kthread+0x35a/0x440
[  420.614242]  ? kthread_stop+0x900/0x900
[  420.618209]  ret_from_fork+0x3a/0x50
[  420.622128] warn_alloc_show_mem: 1 callbacks suppressed
[  420.622138] CPU: 1 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  420.622139] Mem-Info:
[  420.622166] active_anon:44321 inactive_anon:2061 isolated_anon:0
[  420.622166]  active_file:14 inactive_file:14 isolated_file:0
[  420.622166]  unevictable:0 dirty:0 writeback:0 unstable:0
[  420.622166]  slab_reclaimable:9437 slab_unreclaimable:1460937
[  420.622166]  mapped:49154 shmem:2105 pagetables:642 bounce:0
[  420.622166]  free:13638 free_pcp:328 free_cma:0
[  420.627497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  420.627505] Call Trace:
[  420.634443] Node 0 active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8420kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  420.636872]  <IRQ>
[  420.669909] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  420.679264]  dump_stack+0x244/0x39d
[  420.681820] lowmem_reserve[]: 0 2818 6321 6321
[  420.709391]  ? dump_stack_print_info.cold.1+0x20/0x20
[  420.711548] Node 0 DMA32 free:24708kB 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
[  420.737668]  warn_alloc.cold.116+0xb7/0x1bd
[  420.741258] lowmem_reserve[]: 0 0 3503 3503
[  420.745845]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  420.751119] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2568kB bounce:0kB free_pcp:1064kB local_pcp:692kB free_cma:0kB
[  420.751140] lowmem_reserve[]: 0 0 0 0
[  420.751150] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  420.751192] Node 0 DMA32: 5*4kB (UM) 2*8kB (MH) 2*16kB (MH) 4*32kB (MH) 3*64kB (M) 2*128kB (M) 4*256kB (UMH) 3*512kB (UM) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24708kB
[  420.751250] Node 0 Normal: 930*4kB (MEH) 535*8kB (UMEH) 215*16kB (UME) 80*32kB (UMH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  420.751292] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  420.751301] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  420.751306] 2133 total pagecache pages
[  420.751321] 0 pages in swap cache
[  420.778935]  ? lock_downgrade+0x900/0x900
[  420.783236] Swap cache stats: add 0, delete 0, find 0/0
[  420.787557]  ? trace_hardirqs_off+0xb8/0x310
[  420.792376] Free swap  = 0kB
[  420.821435]  ? trace_hardirqs_off+0xb8/0x310
[  420.825208] Total swap = 0kB
[  420.838736]  __alloc_pages_slowpath+0x26e8/0x2e10
[  420.854225] 1965979 pages RAM
[  420.868044]  ? warn_alloc+0x120/0x120
[  420.876829] 0 pages HighMem/MovableOnly
[  420.885403]  ? print_usage_bug+0xc0/0xc0
[  420.889264] 342853 pages reserved
[  420.892711]  ? warn_alloc+0x120/0x120
[  420.896834] 0 pages cma reserved
[  420.902215]  ? warn_alloc+0x120/0x120
[  420.906682] aoe: skb alloc failure
[  420.909623]  ? print_usage_bug+0xc0/0xc0
[  420.914078] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  420.917023]  ? kvm_clock_read+0x18/0x30
[  420.921841] ksoftirqd/0 cpuset=/ mems_allowed=0
[  420.924946]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  420.982576]  ? print_usage_bug+0xc0/0xc0
[  420.986639]  ? __lock_acquire+0x62f/0x4c20
[  420.990885]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  420.996423]  ? should_fail+0x22d/0xd01
[  421.000331]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  421.005627]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  421.010737]  ? __lock_acquire+0x62f/0x4c20
[  421.014982]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  421.020103]  ? __lock_acquire+0x62f/0x4c20
[  421.024330]  ? should_fail+0x22d/0xd01
[  421.028211]  ? rcu_irq_exit+0x1a2/0x390
[  421.032198]  ? mark_held_locks+0x130/0x130
[  421.036434]  ? mark_held_locks+0x130/0x130
[  421.040684]  ? mark_held_locks+0xc7/0x130
[  421.044829]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  421.049845]  ? zap_class+0x640/0x640
[  421.053564]  ? print_usage_bug+0xc0/0xc0
[  421.057629]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.063164]  ? check_preemption_disabled+0x48/0x280
[  421.068184]  ? __lock_is_held+0xb5/0x140
[  421.072245]  __alloc_pages_nodemask+0xa80/0xde0
[  421.076922]  ? zap_class+0x640/0x640
[  421.080636]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  421.085681]  ? find_held_lock+0x36/0x1c0
[  421.089761]  ? ____cache_alloc_node+0x1c7/0x1e0
[  421.094456]  ? lock_downgrade+0x900/0x900
[  421.098609]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.104145]  cache_grow_begin+0xa5/0x8c0
[  421.108226]  ? do_raw_spin_unlock+0xa7/0x330
[  421.112635]  fallback_alloc+0x204/0x2e0
[  421.116612]  ____cache_alloc_node+0x1c7/0x1e0
[  421.121102]  kmem_cache_alloc_node+0xe3/0x730
[  421.125618]  ? ipv6_get_ifaddr+0x42e/0x620
[  421.129852]  __alloc_skb+0x119/0x770
[  421.133560]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  421.138836]  ? netdev_alloc_frag+0x1f0/0x1f0
[  421.143240]  ? lock_downgrade+0x900/0x900
[  421.147417]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.152984]  ? refcount_sub_and_test_checked+0x203/0x310
[  421.158466]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  421.163918]  ? addrconf_rs_timer+0x690/0x690
[  421.168335]  ndisc_alloc_skb+0x144/0x340
[  421.172395]  ndisc_send_rs+0x331/0x6e0
[  421.176313]  addrconf_rs_timer+0x314/0x690
[  421.180552]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  421.184790]  call_timer_fn+0x272/0x920
[  421.188670]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  421.192899]  ? process_timeout+0x40/0x40
[  421.196976]  ? mark_held_locks+0xc7/0x130
[  421.201149]  ? _raw_spin_unlock_irq+0x27/0x80
[  421.205634]  ? _raw_spin_unlock_irq+0x27/0x80
[  421.210136]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  421.214359]  ? lockdep_hardirqs_on+0x296/0x5b0
[  421.218955]  ? trace_hardirqs_on+0xbd/0x310
[  421.223266]  ? kasan_check_read+0x11/0x20
[  421.227404]  ? __run_timers+0x7da/0xc70
[  421.231383]  ? trace_hardirqs_off_caller+0x310/0x310
[  421.236481]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  421.240726]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  421.244989]  __run_timers+0x7e5/0xc70
[  421.248789]  ? timer_fixup_init+0x70/0x70
[  421.252946]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  421.257972]  ? zap_class+0x640/0x640
[  421.261702]  ? print_usage_bug+0xc0/0xc0
[  421.265778]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  421.270968]  ? find_held_lock+0x36/0x1c0
[  421.275032]  ? zap_class+0x640/0x640
[  421.278760]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.284313]  ? check_preemption_disabled+0x48/0x280
[  421.289360]  ? __lock_is_held+0xb5/0x140
[  421.293412]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.298941]  ? check_preemption_disabled+0x48/0x280
[  421.303954]  run_timer_softirq+0x52/0xb0
[  421.308019]  ? rcu_read_lock_sched_held+0x14f/0x180
[  421.313049]  __do_softirq+0x308/0xb7e
[  421.316865]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  421.321366]  ? lock_downgrade+0x900/0x900
[  421.325517]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  421.330631]  ? pvclock_read_flags+0x160/0x160
[  421.335166]  ? lapic_next_event+0x5a/0x90
[  421.339352]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.344884]  ? kvm_clock_read+0x18/0x30
[  421.348886]  ? kvm_sched_clock_read+0x9/0x20
[  421.353295]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.358828]  ? check_preemption_disabled+0x48/0x280
[  421.363877]  irq_exit+0x17f/0x1c0
[  421.367372]  smp_apic_timer_interrupt+0x1cb/0x760
[  421.372209]  ? smp_reschedule_interrupt+0x109/0x650
[  421.377266]  ? smp_call_function_single_interrupt+0x650/0x650
[  421.383188]  ? interrupt_entry+0xb5/0xc0
[  421.387240]  ? trace_hardirqs_off_caller+0xbb/0x310
[  421.392258]  ? trace_hardirqs_off_caller+0xbb/0x310
[  421.397269]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  421.402140]  ? trace_hardirqs_on_caller+0x310/0x310
[  421.407147]  ? trace_hardirqs_on_caller+0x310/0x310
[  421.412158]  ? task_prio+0x50/0x50
[  421.415697]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.421228]  ? check_preemption_disabled+0x48/0x280
[  421.426244]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  421.431123]  apic_timer_interrupt+0xf/0x20
[  421.435381]  </IRQ>
[  421.437650] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  421.442833] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec
[  421.461738] RSP: 0018:ffff8801c2d36100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  421.469467] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100385b2de6
[  421.476777] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c2d96ebc
[  421.484039] RBP: ffff8801c2d36128 R08: ffff8801c2d96f30 R09: 0000000000000006
[  421.491297] R10: 0000000000000000 R11: ffff8801c2d96640 R12: dffffc0000000000
[  421.498568] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  421.506059]  retint_kernel+0x1b/0x2d
[  421.509793] RIP: 0010:dump_stack+0x358/0x39d
[  421.514192] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  421.533083] RSP: 0018:ffff8801c2d361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  421.540792] RAX: ffff8801c2d96640 RBX: 1ffffffff12a3f76 RCX: 1ffff100385b2de6
[  421.548057] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  421.555336] RBP: ffff8801c2d36290 R08: ffff8801c2d96f30 R09: 0000000000000006
[  421.562616] R10: 0000000000000000 R11: ffff8801c2d96640 R12: 1ffff100385a6c45
[  421.569876] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  421.577160]  ? dump_stack+0x34f/0x39d
[  421.580969]  ? dump_stack_print_info.cold.1+0x20/0x20
[  421.586178]  ? mark_held_locks+0x130/0x130
[  421.590412]  ? mark_held_locks+0x130/0x130
[  421.594648]  dump_header+0x27b/0xf72
[  421.598367]  ? pagefault_out_of_memory+0x197/0x197
[  421.603314]  ? __lock_acquire+0x62f/0x4c20
[  421.607553]  ? percpu_ref_get_many+0x240/0x240
[  421.612140]  ? print_usage_bug+0xc0/0xc0
[  421.616203]  ? zap_class+0x640/0x640
[  421.619933]  ? print_usage_bug+0xc0/0xc0
[  421.624002]  ? print_usage_bug+0xc0/0xc0
[  421.628072]  ? zap_class+0x640/0x640
[  421.631801]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.637338]  ? find_held_lock+0x36/0x1c0
[  421.641403]  ? mark_held_locks+0xc7/0x130
[  421.645558]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  421.650658]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  421.655757]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  421.660339]  ? trace_hardirqs_on+0xbd/0x310
[  421.664656]  ? kasan_check_read+0x11/0x20
[  421.668800]  ? ___ratelimit+0x3b4/0x672
[  421.672770]  ? trace_hardirqs_off_caller+0x310/0x310
[  421.677865]  ? trace_hardirqs_on+0x310/0x310
[  421.682281]  ? lock_downgrade+0x900/0x900
[  421.686428]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  421.691543]  ? ___ratelimit+0x3b9/0x672
[  421.695513]  ? idr_get_free+0xf70/0xf70
[  421.699489]  ? find_held_lock+0x36/0x1c0
[  421.703557]  oom_kill_process.cold.27+0x10/0x903
[  421.708309]  ? zap_class+0x640/0x640
[  421.712017]  ? check_preemption_disabled+0x48/0x280
[  421.717028]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  421.721972]  ? kasan_check_read+0x11/0x20
[  421.726159]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  421.731476]  ? oom_evaluate_task+0x540/0x540
[  421.735892]  ? find_held_lock+0x36/0x1c0
[  421.739955]  ? out_of_memory+0x974/0x1430
[  421.744131]  ? lock_downgrade+0x900/0x900
[  421.748294]  ? check_preemption_disabled+0x48/0x280
[  421.753308]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  421.758257]  ? kasan_check_read+0x11/0x20
[  421.762403]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  421.767672]  ? rcu_softirq_qs+0x20/0x20
[  421.771649]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  421.777204]  ? oom_evaluate_task+0x302/0x540
[  421.781627]  out_of_memory+0xa84/0x1430
[  421.785611]  ? oom_killer_disable+0x3a0/0x3a0
[  421.790102]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  421.795057]  ? __ww_mutex_check_waiters+0x160/0x160
[  421.800210]  __alloc_pages_slowpath+0x2354/0x2e10
[  421.805075]  ? warn_alloc+0x120/0x120
[  421.808884]  ? mark_held_locks+0x130/0x130
[  421.813138]  ? find_get_entry+0xaae/0x1120
[  421.817378]  ? filemap_map_pages+0x1a20/0x1a20
[  421.821970]  ? zap_class+0x640/0x640
[  421.825685]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.831232]  ? check_preemption_disabled+0x48/0x280
[  421.836257]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  421.841798]  ? should_fail+0x22d/0xd01
[  421.845691]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  421.850792]  ? zap_class+0x640/0x640
[  421.854541]  ? __lock_is_held+0xb5/0x140
[  421.858610]  ? mark_held_locks+0x130/0x130
[  421.862848]  ? lock_release+0xa00/0xa00
[  421.866824]  ? perf_trace_sched_process_exec+0x860/0x860
[  421.872274]  ? xa_load+0x2ba/0x460
[  421.875822]  ? lock_downgrade+0x900/0x900
[  421.879979]  ? __might_sleep+0x95/0x190
[  421.883963]  __alloc_pages_nodemask+0xa80/0xde0
[  421.888643]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  421.893664]  ? __page_cache_alloc+0x191/0x5c0
[  421.898159]  ? xa_load+0x2e1/0x460
[  421.901703]  ? xa_clear_mark+0x40/0x40
[  421.905595]  ? zap_class+0x640/0x640
[  421.909335]  ? zap_class+0x640/0x640
[  421.913053]  ? zap_class+0x640/0x640
[  421.916769]  ? __do_page_cache_readahead+0x663/0x810
[  421.921875]  ? find_held_lock+0x36/0x1c0
[  421.925940]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  421.931547]  alloc_pages_current+0x173/0x350
[  421.935968]  __page_cache_alloc+0x38c/0x5c0
[  421.940290]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  421.945233]  ? kasan_check_read+0x11/0x20
[  421.949381]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  421.954657]  ? generic_perform_write+0x6a0/0x6a0
[  421.959409]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  421.964949]  ? check_preemption_disabled+0x48/0x280
[  421.969985]  filemap_fault+0x1595/0x25f0
[  421.974102]  ? __lock_page_or_retry+0xa00/0xa00
[  421.978785]  ? mark_held_locks+0x130/0x130
[  421.983025]  ? filemap_map_pages+0xd6b/0x1a20
[  421.987519]  ? lock_downgrade+0x900/0x900
[  421.991681]  ? check_preemption_disabled+0x48/0x280
[  421.996700]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  422.001624]  ? kasan_check_read+0x11/0x20
[  422.005764]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  422.011034]  ? rcu_softirq_qs+0x20/0x20
[  422.015051]  ? filemap_map_pages+0xd92/0x1a20
[  422.019556]  ? find_get_entries_tag+0x1400/0x1400
[  422.024396]  ? find_held_lock+0x36/0x1c0
[  422.028466]  ? lock_acquire+0x1ed/0x520
[  422.032465]  ? ext4_filemap_fault+0x7a/0xad
[  422.036825]  ? lock_release+0xa00/0xa00
[  422.040792]  ? perf_trace_sched_process_exec+0x860/0x860
[  422.046339]  ? print_usage_bug+0xc0/0xc0
[  422.050408]  ? down_read+0x8d/0x120
[  422.054051]  ? ext4_filemap_fault+0x7a/0xad
[  422.058399]  ? __down_interruptible+0x700/0x700
[  422.063064]  ? find_held_lock+0x36/0x1c0
[  422.067143]  ext4_filemap_fault+0x82/0xad
[  422.071293]  __do_fault+0x100/0x6b0
[  422.074919]  ? lock_downgrade+0x900/0x900
[  422.079066]  ? pmd_devmap_trans_unstable+0x220/0x220
[  422.084219]  ? kasan_check_read+0x11/0x20
[  422.088401]  ? do_raw_spin_unlock+0xa7/0x330
[  422.092807]  ? do_raw_spin_trylock+0x270/0x270
[  422.097396]  __handle_mm_fault+0x3ea0/0x5be0
[  422.101828]  ? perf_trace_lock+0x7a0/0x7a0
[  422.106097]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  422.110958]  ? zap_class+0x640/0x640
[  422.114690]  ? zap_class+0x640/0x640
[  422.118426]  ? __x64_sys_futex+0x53e/0x6a0
[  422.122688]  ? find_held_lock+0x36/0x1c0
[  422.126750]  ? handle_mm_fault+0x42a/0xc70
[  422.131040]  ? lock_downgrade+0x900/0x900
[  422.135196]  ? check_preemption_disabled+0x48/0x280
[  422.140212]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  422.145149]  ? kasan_check_read+0x11/0x20
[  422.149294]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  422.154563]  ? rcu_softirq_qs+0x20/0x20
[  422.158553]  ? trace_hardirqs_off_caller+0x310/0x310
[  422.163669]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  422.169205]  ? check_preemption_disabled+0x48/0x280
[  422.174262]  handle_mm_fault+0x54f/0xc70
[  422.178354]  ? __handle_mm_fault+0x5be0/0x5be0
[  422.182934]  ? find_vma+0x34/0x190
[  422.186474]  __do_page_fault+0x5e8/0xe60
[  422.190549]  ? trace_hardirqs_off+0xb8/0x310
[  422.194982]  ? kernel_write+0x120/0x120
[  422.198958]  do_page_fault+0xf2/0x7e0
[  422.202752]  ? vmalloc_sync_all+0x30/0x30
[  422.206893]  ? error_entry+0x70/0xd0
[  422.210619]  ? trace_hardirqs_off_caller+0xbb/0x310
[  422.215629]  ? trace_hardirqs_on_caller+0xc0/0x310
[  422.220559]  ? syscall_return_slowpath+0x5e0/0x5e0
[  422.225477]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  422.230323]  ? trace_hardirqs_on_caller+0x310/0x310
[  422.235342]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  422.240807]  ? prepare_exit_to_usermode+0x291/0x3b0
[  422.245822]  ? page_fault+0x8/0x30
[  422.249406]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  422.254259]  ? page_fault+0x8/0x30
[  422.257796]  page_fault+0x1e/0x30
[  422.261260] RIP: 0033:0x404068
[  422.264464] Code: Bad RIP value.
[  422.267818] RSP: 002b:000000c420024e48 EFLAGS: 00010206
[  422.273187] RAX: 000000c422dd4cc0 RBX: 000000c42875f801 RCX: 000000c424d31838
[  422.280449] RDX: 000000c422dd4cc0 RSI: 0000000000000001 RDI: 0000000000000001
[  422.287708] RBP: 000000c420024ed8 R08: 00007ffd3a9b40b0 R09: 00007ffd3a9b4080
[  422.294975] R10: 000000000000eacc R11: 0000000000000165 R12: 0000000000000001
[  422.302234] R13: 000000c4271c3620 R14: 0000000000000001 R15: 0000000000000000
[  422.309512] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #83
[  422.309596] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  422.316295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  422.316299] Call Trace:
[  422.316316]  dump_stack+0x244/0x39d
[  422.316335]  ? dump_stack_print_info.cold.1+0x20/0x20
[  422.322925] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  422.332194]  warn_alloc.cold.116+0xb7/0x1bd
[  422.334745] syz-fuzzer cpuset=/ mems_allowed=0
[  422.338360]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  422.367443]  ? lock_downgrade+0x900/0x900
[  422.371593]  ? trace_hardirqs_off+0xb8/0x310
[  422.376015]  ? trace_hardirqs_off+0xb8/0x310
[  422.380441]  __alloc_pages_slowpath+0x26e8/0x2e10
[  422.385301]  ? warn_alloc+0x120/0x120
[  422.389127]  ? warn_alloc+0x120/0x120
[  422.392927]  ? warn_alloc+0x120/0x120
[  422.396728]  ? print_usage_bug+0xc0/0xc0
[  422.400810]  ? print_usage_bug+0xc0/0xc0
[  422.404885]  ? mark_held_locks+0x130/0x130
[  422.409126]  ? mark_held_locks+0x130/0x130
[  422.413379]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  422.418907]  ? should_fail+0x22d/0xd01
[  422.422806]  ? zap_class+0x640/0x640
[  422.426515]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  422.431619]  ? __lock_acquire+0x62f/0x4c20
[  422.435863]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  422.440962]  ? __lock_acquire+0x62f/0x4c20
[  422.445188]  ? should_fail+0x22d/0xd01
[  422.449075]  ? mark_held_locks+0x130/0x130
[  422.453307]  ? mark_held_locks+0x130/0x130
[  422.457541]  ? lock_downgrade+0x900/0x900
[  422.461681]  ? zap_class+0x640/0x640
[  422.465389]  ? zap_class+0x640/0x640
[  422.469121]  ? do_raw_spin_unlock+0xa7/0x330
[  422.473545]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  422.478294]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.483827]  ? check_preemption_disabled+0x48/0x280
[  422.488881]  ? __lock_is_held+0xb5/0x140
[  422.492974]  __alloc_pages_nodemask+0xa80/0xde0
[  422.497676]  ? zap_class+0x640/0x640
[  422.501393]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  422.506424]  ? find_held_lock+0x36/0x1c0
[  422.510500]  ? ____cache_alloc_node+0x1c7/0x1e0
[  422.515179]  ? lock_downgrade+0x900/0x900
[  422.519332]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.524894]  cache_grow_begin+0xa5/0x8c0
[  422.528962]  ? do_raw_spin_unlock+0xa7/0x330
[  422.533384]  fallback_alloc+0x204/0x2e0
[  422.537366]  ____cache_alloc_node+0x1c7/0x1e0
[  422.541870]  kmem_cache_alloc_node+0xe3/0x730
[  422.546370]  ? lockdep_hardirqs_on+0x296/0x5b0
[  422.550976]  __alloc_skb+0x119/0x770
[  422.554692]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  422.560082]  ? netdev_alloc_frag+0x1f0/0x1f0
[  422.564500]  ? vprintk_default+0x28/0x30
[  422.568568]  ? vprintk_func+0x85/0x181
[  422.572457]  ? printk+0xa7/0xcf
[  422.575738]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  422.580503]  ? do_raw_spin_trylock+0x270/0x270
[  422.585099]  new_skb+0x26/0x1c0
[  422.588378]  aoecmd_cfg+0x279/0x7f0
[  422.592013]  ? find_held_lock+0x36/0x1c0
[  422.596076]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  422.600424]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.605973]  ? __lock_is_held+0xb5/0x140
[  422.610075]  discover_timer+0x50/0x60
[  422.613888]  call_timer_fn+0x272/0x920
[  422.617800]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  422.622832]  ? process_timeout+0x40/0x40
[  422.626902]  ? __run_timers+0x7da/0xc70
[  422.630883]  ? _raw_spin_unlock_irq+0x27/0x80
[  422.635378]  ? _raw_spin_unlock_irq+0x27/0x80
[  422.639874]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  422.644722]  ? lockdep_hardirqs_on+0x296/0x5b0
[  422.649303]  ? trace_hardirqs_on+0xbd/0x310
[  422.653621]  ? kasan_check_read+0x11/0x20
[  422.657779]  ? __run_timers+0x7da/0xc70
[  422.661766]  ? trace_hardirqs_off_caller+0x310/0x310
[  422.666913]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  422.671755]  __run_timers+0x7e5/0xc70
[  422.675604]  ? timer_fixup_init+0x70/0x70
[  422.679763]  ? _raw_spin_unlock_irq+0x27/0x80
[  422.684269]  ? _raw_spin_unlock_irq+0x27/0x80
[  422.688759]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  422.693353]  ? trace_hardirqs_on+0xbd/0x310
[  422.697679]  ? kasan_check_read+0x11/0x20
[  422.701842]  ? finish_task_switch+0x1f4/0x910
[  422.706331]  ? trace_hardirqs_off_caller+0x310/0x310
[  422.711429]  ? compat_start_thread+0x80/0x80
[  422.715878]  ? pvclock_read_flags+0x160/0x160
[  422.720397]  ? __switch_to_asm+0x34/0x70
[  422.724449]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.730029]  ? check_preemption_disabled+0x48/0x280
[  422.735047]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  422.740580]  ? rcu_pm_notify+0xc0/0xc0
[  422.744466]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.750001]  ? check_preemption_disabled+0x48/0x280
[  422.755120]  run_timer_softirq+0x52/0xb0
[  422.759294]  ? rcu_read_lock_sched_held+0x14f/0x180
[  422.764322]  __do_softirq+0x308/0xb7e
[  422.768124]  ? trace_hardirqs_on_caller+0xc0/0x310
[  422.773055]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  422.778170]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  422.783626]  ? schedule+0x108/0x460
[  422.787261]  ? trace_hardirqs_off+0xb8/0x310
[  422.791713]  ? smpboot_thread_fn+0x68b/0xa00
[  422.796150]  ? trace_hardirqs_on+0x310/0x310
[  422.800560]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  422.806109]  ? check_preemption_disabled+0x48/0x280
[  422.811122]  ? takeover_tasklets+0xa90/0xa90
[  422.815538]  run_ksoftirqd+0x5e/0x100
[  422.819337]  smpboot_thread_fn+0x68b/0xa00
[  422.823572]  ? sort_range+0x30/0x30
[  422.827195]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  422.832292]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  422.837826]  ? __kthread_parkme+0xfb/0x1a0
[  422.842076]  ? sort_range+0x30/0x30
[  422.845731]  kthread+0x35a/0x440
[  422.849101]  ? kthread_stop+0x900/0x900
[  422.853076]  ret_from_fork+0x3a/0x50
[  422.856820] warn_alloc_show_mem: 1 callbacks suppressed
[  422.856831] CPU: 1 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  422.856832] Mem-Info:
[  422.856860] active_anon:44321 inactive_anon:2061 isolated_anon:0
[  422.856860]  active_file:14 inactive_file:14 isolated_file:0
[  422.856860]  unevictable:0 dirty:0 writeback:0 unstable:0
[  422.856860]  slab_reclaimable:9437 slab_unreclaimable:1460937
[  422.856860]  mapped:49154 shmem:2105 pagetables:642 bounce:0
[  422.856860]  free:13638 free_pcp:328 free_cma:0
[  422.862203] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  422.869130] Node 0 active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8420kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  422.871568] Call Trace:
[  422.904627] 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
[  422.913971]  <IRQ>
[  422.941539] lowmem_reserve[]: 0 2818 6321 6321
[  422.944111]  dump_stack+0x244/0x39d
[  422.970203] Node 0 DMA32 free:24708kB 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
[  422.972365]  ? dump_stack_print_info.cold.1+0x20/0x20
[  422.976921] lowmem_reserve[]: 0 0 3503 3503
[  422.980558]  warn_alloc.cold.116+0xb7/0x1bd
[  423.008021] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2568kB bounce:0kB free_pcp:1064kB local_pcp:692kB free_cma:0kB
[  423.013203]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  423.017514] lowmem_reserve[]: 0 0 0 0
[  423.021840]  ? lock_downgrade+0x900/0x900
[  423.050875] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  423.055719]  ? trace_hardirqs_off+0xb8/0x310
[  423.059488] Node 0 DMA32: 5*4kB (UM) 2*8kB (MH) 2*16kB (MH) 4*32kB (MH) 3*64kB (M) 2*128kB (M) 4*256kB (UMH) 3*512kB (UM) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24708kB
[  423.063635]  ? trace_hardirqs_off+0xb8/0x310
[  423.077132] Node 0 Normal: 930*4kB (MEH) 535*8kB (UMEH) 215*16kB (UME) 80*32kB (UMH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  423.081554]  __alloc_pages_slowpath+0x26e8/0x2e10
[  423.097064] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  423.101479]  ? warn_alloc+0x120/0x120
[  423.115234] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  423.120067]  ? print_usage_bug+0xc0/0xc0
[  423.128879] 2133 total pagecache pages
[  423.132669]  ? warn_alloc+0x120/0x120
[  423.141227] 0 pages in swap cache
[  423.145274]  ? warn_alloc+0x120/0x120
[  423.149161] Swap cache stats: add 0, delete 0, find 0/0
[  423.152953]  ? print_usage_bug+0xc0/0xc0
[  423.156398] Free swap  = 0kB
[  423.160188]  ? kvm_clock_read+0x18/0x30
[  423.165520] Total swap = 0kB
[  423.169573]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  423.172581] 1965979 pages RAM
[  423.176549]  ? print_usage_bug+0xc0/0xc0
[  423.179544] 0 pages HighMem/MovableOnly
[  423.184553]  ? __lock_acquire+0x62f/0x4c20
[  423.187647] 342853 pages reserved
[  423.191695]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  423.195638] 0 pages cma reserved
[  423.199865]  ? should_fail+0x22d/0xd01
[  423.203366] aoe: skb alloc failure
[  423.208824]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  423.208840]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  423.212209] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  423.216055]  ? __lock_acquire+0x62f/0x4c20
[  423.219571] ksoftirqd/0 cpuset=/ mems_allowed=0
[  423.224840]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  423.254174]  ? __lock_acquire+0x62f/0x4c20
[  423.258401]  ? should_fail+0x22d/0xd01
[  423.262280]  ? rcu_irq_exit+0x1a2/0x390
[  423.266276]  ? mark_held_locks+0x130/0x130
[  423.270572]  ? mark_held_locks+0x130/0x130
[  423.274825]  ? mark_held_locks+0xc7/0x130
[  423.278976]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  423.283994]  ? zap_class+0x640/0x640
[  423.287710]  ? print_usage_bug+0xc0/0xc0
[  423.291812]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.297352]  ? check_preemption_disabled+0x48/0x280
[  423.302396]  ? __lock_is_held+0xb5/0x140
[  423.306461]  __alloc_pages_nodemask+0xa80/0xde0
[  423.311127]  ? zap_class+0x640/0x640
[  423.314851]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  423.319877]  ? find_held_lock+0x36/0x1c0
[  423.323968]  ? ____cache_alloc_node+0x1c7/0x1e0
[  423.328652]  ? lock_downgrade+0x900/0x900
[  423.332810]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.338352]  cache_grow_begin+0xa5/0x8c0
[  423.342414]  ? do_raw_spin_unlock+0xa7/0x330
[  423.346831]  fallback_alloc+0x204/0x2e0
[  423.350812]  ____cache_alloc_node+0x1c7/0x1e0
[  423.355316]  kmem_cache_alloc_node+0xe3/0x730
[  423.359815]  ? ipv6_get_ifaddr+0x42e/0x620
[  423.364063]  __alloc_skb+0x119/0x770
[  423.367777]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  423.373062]  ? netdev_alloc_frag+0x1f0/0x1f0
[  423.377470]  ? lock_downgrade+0x900/0x900
[  423.381631]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.387169]  ? refcount_sub_and_test_checked+0x203/0x310
[  423.392630]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  423.398080]  ? addrconf_rs_timer+0x690/0x690
[  423.402500]  ndisc_alloc_skb+0x144/0x340
[  423.406588]  ndisc_send_rs+0x331/0x6e0
[  423.410497]  addrconf_rs_timer+0x314/0x690
[  423.414748]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  423.419031]  call_timer_fn+0x272/0x920
[  423.422922]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  423.427162]  ? process_timeout+0x40/0x40
[  423.431262]  ? mark_held_locks+0xc7/0x130
[  423.435419]  ? _raw_spin_unlock_irq+0x27/0x80
[  423.439914]  ? _raw_spin_unlock_irq+0x27/0x80
[  423.444418]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  423.448661]  ? lockdep_hardirqs_on+0x296/0x5b0
[  423.453246]  ? trace_hardirqs_on+0xbd/0x310
[  423.457575]  ? kasan_check_read+0x11/0x20
[  423.461720]  ? __run_timers+0x7da/0xc70
[  423.465701]  ? trace_hardirqs_off_caller+0x310/0x310
[  423.470818]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  423.475087]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  423.479321]  __run_timers+0x7e5/0xc70
[  423.483130]  ? timer_fixup_init+0x70/0x70
[  423.487281]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  423.492324]  ? zap_class+0x640/0x640
[  423.496044]  ? print_usage_bug+0xc0/0xc0
[  423.500144]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  423.505344]  ? find_held_lock+0x36/0x1c0
[  423.509445]  ? zap_class+0x640/0x640
[  423.513178]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.518714]  ? check_preemption_disabled+0x48/0x280
[  423.523732]  ? __lock_is_held+0xb5/0x140
[  423.527789]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.533326]  ? check_preemption_disabled+0x48/0x280
[  423.538350]  run_timer_softirq+0x52/0xb0
[  423.542410]  ? rcu_read_lock_sched_held+0x14f/0x180
[  423.547424]  __do_softirq+0x308/0xb7e
[  423.551225]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  423.555722]  ? lock_downgrade+0x900/0x900
[  423.559877]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  423.564999]  ? pvclock_read_flags+0x160/0x160
[  423.569498]  ? lapic_next_event+0x5a/0x90
[  423.573658]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.579217]  ? kvm_clock_read+0x18/0x30
[  423.583209]  ? kvm_sched_clock_read+0x9/0x20
[  423.587636]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.593175]  ? check_preemption_disabled+0x48/0x280
[  423.598197]  irq_exit+0x17f/0x1c0
[  423.601649]  smp_apic_timer_interrupt+0x1cb/0x760
[  423.606489]  ? smp_reschedule_interrupt+0x109/0x650
[  423.611503]  ? smp_call_function_single_interrupt+0x650/0x650
[  423.617395]  ? interrupt_entry+0xb5/0xc0
[  423.621457]  ? trace_hardirqs_off_caller+0xbb/0x310
[  423.626470]  ? trace_hardirqs_off_caller+0xbb/0x310
[  423.631483]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  423.636327]  ? trace_hardirqs_on_caller+0x310/0x310
[  423.641370]  ? trace_hardirqs_on_caller+0x310/0x310
[  423.646386]  ? task_prio+0x50/0x50
[  423.649924]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.655454]  ? check_preemption_disabled+0x48/0x280
[  423.660480]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  423.665346]  apic_timer_interrupt+0xf/0x20
[  423.669588]  </IRQ>
[  423.671825] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  423.677010] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec
[  423.695909] RSP: 0018:ffff8801c2d36100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  423.703622] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100385b2de6
[  423.710882] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c2d96ebc
[  423.718161] RBP: ffff8801c2d36128 R08: ffff8801c2d96f30 R09: 0000000000000006
[  423.725420] R10: 0000000000000000 R11: ffff8801c2d96640 R12: dffffc0000000000
[  423.732678] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  423.739964]  retint_kernel+0x1b/0x2d
[  423.743671] RIP: 0010:dump_stack+0x358/0x39d
[  423.748070] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  423.766960] RSP: 0018:ffff8801c2d361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  423.774674] RAX: ffff8801c2d96640 RBX: 1ffffffff12a3f76 RCX: 1ffff100385b2de6
[  423.781947] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  423.789208] RBP: ffff8801c2d36290 R08: ffff8801c2d96f30 R09: 0000000000000006
[  423.796471] R10: 0000000000000000 R11: ffff8801c2d96640 R12: 1ffff100385a6c45
[  423.803729] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  423.811008]  ? dump_stack+0x34f/0x39d
[  423.814813]  ? dump_stack_print_info.cold.1+0x20/0x20
[  423.820006]  ? mark_held_locks+0x130/0x130
[  423.824295]  ? mark_held_locks+0x130/0x130
[  423.828537]  dump_header+0x27b/0xf72
[  423.832255]  ? pagefault_out_of_memory+0x197/0x197
[  423.837203]  ? __lock_acquire+0x62f/0x4c20
[  423.841434]  ? percpu_ref_get_many+0x240/0x240
[  423.846015]  ? print_usage_bug+0xc0/0xc0
[  423.850071]  ? zap_class+0x640/0x640
[  423.853795]  ? print_usage_bug+0xc0/0xc0
[  423.857876]  ? print_usage_bug+0xc0/0xc0
[  423.861965]  ? zap_class+0x640/0x640
[  423.865687]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.871219]  ? find_held_lock+0x36/0x1c0
[  423.875285]  ? mark_held_locks+0xc7/0x130
[  423.879443]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  423.884559]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  423.889687]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  423.894295]  ? trace_hardirqs_on+0xbd/0x310
[  423.898607]  ? kasan_check_read+0x11/0x20
[  423.902761]  ? ___ratelimit+0x3b4/0x672
[  423.906749]  ? trace_hardirqs_off_caller+0x310/0x310
[  423.911843]  ? trace_hardirqs_on+0x310/0x310
[  423.916267]  ? lock_downgrade+0x900/0x900
[  423.920414]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  423.925507]  ? ___ratelimit+0x3b9/0x672
[  423.929479]  ? idr_get_free+0xf70/0xf70
[  423.933443]  ? find_held_lock+0x36/0x1c0
[  423.937505]  oom_kill_process.cold.27+0x10/0x903
[  423.942275]  ? zap_class+0x640/0x640
[  423.946001]  ? check_preemption_disabled+0x48/0x280
[  423.951017]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  423.955946]  ? kasan_check_read+0x11/0x20
[  423.960112]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  423.965376]  ? oom_evaluate_task+0x540/0x540
[  423.969776]  ? find_held_lock+0x36/0x1c0
[  423.973832]  ? out_of_memory+0x974/0x1430
[  423.978001]  ? lock_downgrade+0x900/0x900
[  423.982152]  ? check_preemption_disabled+0x48/0x280
[  423.987160]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  423.992079]  ? kasan_check_read+0x11/0x20
[  423.996264]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  424.001541]  ? rcu_softirq_qs+0x20/0x20
[  424.005512]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  424.011060]  ? oom_evaluate_task+0x302/0x540
[  424.015463]  out_of_memory+0xa84/0x1430
[  424.019450]  ? oom_killer_disable+0x3a0/0x3a0
[  424.023963]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  424.028892]  ? __ww_mutex_check_waiters+0x160/0x160
[  424.033908]  __alloc_pages_slowpath+0x2354/0x2e10
[  424.038783]  ? warn_alloc+0x120/0x120
[  424.042589]  ? mark_held_locks+0x130/0x130
[  424.046853]  ? find_get_entry+0xaae/0x1120
[  424.051091]  ? filemap_map_pages+0x1a20/0x1a20
[  424.055672]  ? zap_class+0x640/0x640
[  424.059379]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.064909]  ? check_preemption_disabled+0x48/0x280
[  424.069918]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  424.075453]  ? should_fail+0x22d/0xd01
[  424.079351]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  424.084444]  ? zap_class+0x640/0x640
[  424.088169]  ? __lock_is_held+0xb5/0x140
[  424.092227]  ? mark_held_locks+0x130/0x130
[  424.096458]  ? lock_release+0xa00/0xa00
[  424.100483]  ? perf_trace_sched_process_exec+0x860/0x860
[  424.105962]  ? xa_load+0x2ba/0x460
[  424.109499]  ? lock_downgrade+0x900/0x900
[  424.113648]  ? __might_sleep+0x95/0x190
[  424.117641]  __alloc_pages_nodemask+0xa80/0xde0
[  424.122352]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  424.127366]  ? __page_cache_alloc+0x191/0x5c0
[  424.131887]  ? xa_load+0x2e1/0x460
[  424.135440]  ? xa_clear_mark+0x40/0x40
[  424.139327]  ? zap_class+0x640/0x640
[  424.143045]  ? zap_class+0x640/0x640
[  424.146750]  ? zap_class+0x640/0x640
[  424.150454]  ? __do_page_cache_readahead+0x663/0x810
[  424.155581]  ? find_held_lock+0x36/0x1c0
[  424.159651]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  424.165198]  alloc_pages_current+0x173/0x350
[  424.169629]  __page_cache_alloc+0x38c/0x5c0
[  424.173943]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  424.178881]  ? kasan_check_read+0x11/0x20
[  424.183032]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  424.188322]  ? generic_perform_write+0x6a0/0x6a0
[  424.193072]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  424.198650]  ? check_preemption_disabled+0x48/0x280
[  424.203669]  filemap_fault+0x1595/0x25f0
[  424.207740]  ? __lock_page_or_retry+0xa00/0xa00
[  424.212406]  ? mark_held_locks+0x130/0x130
[  424.216641]  ? filemap_map_pages+0xd6b/0x1a20
[  424.221128]  ? lock_downgrade+0x900/0x900
[  424.225304]  ? check_preemption_disabled+0x48/0x280
[  424.230368]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  424.235343]  ? kasan_check_read+0x11/0x20
[  424.239519]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  424.244811]  ? rcu_softirq_qs+0x20/0x20
[  424.248794]  ? filemap_map_pages+0xd92/0x1a20
[  424.253327]  ? find_get_entries_tag+0x1400/0x1400
[  424.258165]  ? find_held_lock+0x36/0x1c0
[  424.262253]  ? lock_acquire+0x1ed/0x520
[  424.266257]  ? ext4_filemap_fault+0x7a/0xad
[  424.270601]  ? lock_release+0xa00/0xa00
[  424.274601]  ? perf_trace_sched_process_exec+0x860/0x860
[  424.280080]  ? print_usage_bug+0xc0/0xc0
[  424.284172]  ? down_read+0x8d/0x120
[  424.287811]  ? ext4_filemap_fault+0x7a/0xad
[  424.292159]  ? __down_interruptible+0x700/0x700
[  424.296825]  ? find_held_lock+0x36/0x1c0
[  424.301016]  ext4_filemap_fault+0x82/0xad
[  424.305220]  __do_fault+0x100/0x6b0
[  424.308841]  ? lock_downgrade+0x900/0x900
[  424.312992]  ? pmd_devmap_trans_unstable+0x220/0x220
[  424.318093]  ? kasan_check_read+0x11/0x20
[  424.322261]  ? do_raw_spin_unlock+0xa7/0x330
[  424.326663]  ? do_raw_spin_trylock+0x270/0x270
[  424.331247]  __handle_mm_fault+0x3ea0/0x5be0
[  424.335665]  ? perf_trace_lock+0x7a0/0x7a0
[  424.339913]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  424.344764]  ? zap_class+0x640/0x640
[  424.348467]  ? zap_class+0x640/0x640
[  424.352171]  ? __x64_sys_futex+0x53e/0x6a0
[  424.356402]  ? find_held_lock+0x36/0x1c0
[  424.360475]  ? handle_mm_fault+0x42a/0xc70
[  424.364774]  ? lock_downgrade+0x900/0x900
[  424.368917]  ? check_preemption_disabled+0x48/0x280
[  424.373947]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  424.378907]  ? kasan_check_read+0x11/0x20
[  424.383083]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  424.388353]  ? rcu_softirq_qs+0x20/0x20
[  424.392321]  ? trace_hardirqs_off_caller+0x310/0x310
[  424.397419]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  424.402964]  ? check_preemption_disabled+0x48/0x280
[  424.407981]  handle_mm_fault+0x54f/0xc70
[  424.412036]  ? __handle_mm_fault+0x5be0/0x5be0
[  424.416643]  ? find_vma+0x34/0x190
[  424.420195]  __do_page_fault+0x5e8/0xe60
[  424.424250]  ? trace_hardirqs_off+0xb8/0x310
[  424.428647]  ? kernel_write+0x120/0x120
[  424.432632]  do_page_fault+0xf2/0x7e0
[  424.436425]  ? vmalloc_sync_all+0x30/0x30
[  424.440563]  ? error_entry+0x70/0xd0
[  424.444282]  ? trace_hardirqs_off_caller+0xbb/0x310
[  424.449295]  ? trace_hardirqs_on_caller+0xc0/0x310
[  424.454215]  ? syscall_return_slowpath+0x5e0/0x5e0
[  424.459165]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  424.464018]  ? trace_hardirqs_on_caller+0x310/0x310
[  424.469040]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  424.474502]  ? prepare_exit_to_usermode+0x291/0x3b0
[  424.479516]  ? page_fault+0x8/0x30
[  424.483055]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  424.487907]  ? page_fault+0x8/0x30
[  424.491459]  page_fault+0x1e/0x30
[  424.494933] RIP: 0033:0x404068
[  424.498185] Code: Bad RIP value.
[  424.501543] RSP: 002b:000000c420024e48 EFLAGS: 00010206
[  424.506899] RAX: 000000c422dd4cc0 RBX: 000000c42875f801 RCX: 000000c424d31838
[  424.514159] RDX: 000000c422dd4cc0 RSI: 0000000000000001 RDI: 0000000000000001
[  424.521416] RBP: 000000c420024ed8 R08: 00007ffd3a9b40b0 R09: 00007ffd3a9b4080
[  424.528689] R10: 000000000000eacc R11: 0000000000000165 R12: 0000000000000001
[  424.535945] R13: 000000c4271c3620 R14: 0000000000000001 R15: 0000000000000000
[  424.543253] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #83
[  424.543318] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  424.550004] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  424.550012] Call Trace:
[  424.556574] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  424.565828]  dump_stack+0x244/0x39d
[  424.568383] syz-fuzzer cpuset=/ mems_allowed=0
[  424.578609]  ? dump_stack_print_info.cold.1+0x20/0x20
[  424.591994]  warn_alloc.cold.116+0xb7/0x1bd
[  424.596322]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  424.601160]  ? lock_downgrade+0x900/0x900
[  424.605365]  ? trace_hardirqs_off+0xb8/0x310
[  424.609772]  ? trace_hardirqs_off+0xb8/0x310
[  424.614202]  __alloc_pages_slowpath+0x26e8/0x2e10
[  424.619089]  ? warn_alloc+0x120/0x120
[  424.623159]  ? warn_alloc+0x120/0x120
[  424.626963]  ? warn_alloc+0x120/0x120
[  424.630762]  ? print_usage_bug+0xc0/0xc0
[  424.634844]  ? print_usage_bug+0xc0/0xc0
[  424.638916]  ? mark_held_locks+0x130/0x130
[  424.643179]  ? mark_held_locks+0x130/0x130
[  424.647474]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  424.653020]  ? should_fail+0x22d/0xd01
[  424.656897]  ? zap_class+0x640/0x640
[  424.660606]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  424.665701]  ? __lock_acquire+0x62f/0x4c20
[  424.669963]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  424.675095]  ? __lock_acquire+0x62f/0x4c20
[  424.679354]  ? should_fail+0x22d/0xd01
[  424.683260]  ? mark_held_locks+0x130/0x130
[  424.687493]  ? mark_held_locks+0x130/0x130
[  424.691717]  ? lock_downgrade+0x900/0x900
[  424.695889]  ? zap_class+0x640/0x640
[  424.699597]  ? zap_class+0x640/0x640
[  424.703322]  ? zap_class+0x640/0x640
[  424.707029]  ? do_raw_spin_unlock+0xa7/0x330
[  424.711432]  ? trace_hardirqs_on+0x310/0x310
[  424.715832]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.721375]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.726907]  ? check_preemption_disabled+0x48/0x280
[  424.731952]  ? __lock_is_held+0xb5/0x140
[  424.736024]  __alloc_pages_nodemask+0xa80/0xde0
[  424.740687]  ? zap_class+0x640/0x640
[  424.744399]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  424.749418]  ? find_held_lock+0x36/0x1c0
[  424.753508]  ? ____cache_alloc_node+0x1c7/0x1e0
[  424.758212]  ? lock_downgrade+0x900/0x900
[  424.762359]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.767923]  cache_grow_begin+0xa5/0x8c0
[  424.772006]  ? do_raw_spin_unlock+0xa7/0x330
[  424.776444]  fallback_alloc+0x204/0x2e0
[  424.780415]  ____cache_alloc_node+0x1c7/0x1e0
[  424.784907]  kmem_cache_alloc_node+0xe3/0x730
[  424.789410]  ? lockdep_hardirqs_on+0x296/0x5b0
[  424.794006]  __alloc_skb+0x119/0x770
[  424.797708]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  424.803089]  ? netdev_alloc_frag+0x1f0/0x1f0
[  424.807508]  ? vprintk_default+0x28/0x30
[  424.811569]  ? vprintk_func+0x85/0x181
[  424.815447]  ? printk+0xa7/0xcf
[  424.818730]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  424.823498]  ? do_raw_spin_trylock+0x270/0x270
[  424.828081]  new_skb+0x26/0x1c0
[  424.831355]  aoecmd_cfg+0x279/0x7f0
[  424.834972]  ? find_held_lock+0x36/0x1c0
[  424.839062]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  424.843412]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.848947]  ? __lock_is_held+0xb5/0x140
[  424.853009]  discover_timer+0x50/0x60
[  424.856816]  call_timer_fn+0x272/0x920
[  424.860724]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  424.865559]  ? process_timeout+0x40/0x40
[  424.869616]  ? __run_timers+0x7da/0xc70
[  424.873590]  ? _raw_spin_unlock_irq+0x27/0x80
[  424.878076]  ? _raw_spin_unlock_irq+0x27/0x80
[  424.882594]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  424.887430]  ? lockdep_hardirqs_on+0x296/0x5b0
[  424.892031]  ? trace_hardirqs_on+0xbd/0x310
[  424.896351]  ? kasan_check_read+0x11/0x20
[  424.900586]  ? __run_timers+0x7da/0xc70
[  424.904596]  ? trace_hardirqs_off_caller+0x310/0x310
[  424.909728]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  424.914571]  __run_timers+0x7e5/0xc70
[  424.918382]  ? timer_fixup_init+0x70/0x70
[  424.922537]  ? _raw_spin_unlock_irq+0x27/0x80
[  424.927048]  ? _raw_spin_unlock_irq+0x27/0x80
[  424.931554]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  424.936140]  ? trace_hardirqs_on+0xbd/0x310
[  424.940462]  ? kasan_check_read+0x11/0x20
[  424.944628]  ? finish_task_switch+0x1f4/0x910
[  424.949126]  ? trace_hardirqs_off_caller+0x310/0x310
[  424.954254]  ? compat_start_thread+0x80/0x80
[  424.958696]  ? pvclock_read_flags+0x160/0x160
[  424.963210]  ? __switch_to_asm+0x34/0x70
[  424.967274]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.972828]  ? check_preemption_disabled+0x48/0x280
[  424.977870]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  424.983409]  ? rcu_pm_notify+0xc0/0xc0
[  424.987302]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.992863]  ? check_preemption_disabled+0x48/0x280
[  424.997896]  run_timer_softirq+0x52/0xb0
[  425.001954]  ? rcu_read_lock_sched_held+0x14f/0x180
[  425.006969]  __do_softirq+0x308/0xb7e
[  425.010773]  ? trace_hardirqs_on_caller+0xc0/0x310
[  425.015713]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  425.020818]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  425.026273]  ? schedule+0x108/0x460
[  425.029908]  ? trace_hardirqs_off+0xb8/0x310
[  425.034350]  ? smpboot_thread_fn+0x68b/0xa00
[  425.038758]  ? trace_hardirqs_on+0x310/0x310
[  425.043171]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  425.048709]  ? check_preemption_disabled+0x48/0x280
[  425.053724]  ? takeover_tasklets+0xa90/0xa90
[  425.058156]  run_ksoftirqd+0x5e/0x100
[  425.061970]  smpboot_thread_fn+0x68b/0xa00
[  425.066206]  ? sort_range+0x30/0x30
[  425.069833]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  425.074932]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  425.080467]  ? __kthread_parkme+0xfb/0x1a0
[  425.084697]  ? sort_range+0x30/0x30
[  425.088339]  kthread+0x35a/0x440
[  425.091709]  ? kthread_stop+0x900/0x900
[  425.095692]  ret_from_fork+0x3a/0x50
[  425.099436] warn_alloc_show_mem: 1 callbacks suppressed
[  425.099448] CPU: 1 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  425.099449] Mem-Info:
[  425.099479] active_anon:44321 inactive_anon:2061 isolated_anon:0
[  425.099479]  active_file:14 inactive_file:14 isolated_file:0
[  425.099479]  unevictable:0 dirty:0 writeback:0 unstable:0
[  425.099479]  slab_reclaimable:9437 slab_unreclaimable:1460937
[  425.099479]  mapped:49154 shmem:2105 pagetables:642 bounce:0
[  425.099479]  free:13638 free_pcp:328 free_cma:0
[  425.104828] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  425.111751] Node 0 active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8420kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  425.114144] Call Trace:
[  425.147221] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  425.156560]  <IRQ>
[  425.184154] lowmem_reserve[]: 0 2818 6321 6321
[  425.186748]  dump_stack+0x244/0x39d
[  425.212821] Node 0 DMA32 free:24708kB 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
[  425.214964]  ? dump_stack_print_info.cold.1+0x20/0x20
[  425.219514] lowmem_reserve[]: 0 0 3503 3503
[  425.223254]  warn_alloc.cold.116+0xb7/0x1bd
[  425.250723] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2568kB bounce:0kB free_pcp:1064kB local_pcp:692kB free_cma:0kB
[  425.255921]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  425.260214] lowmem_reserve[]: 0 0 0 0
[  425.264567]  ? lock_downgrade+0x900/0x900
[  425.293635] 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
[  425.298474]  ? trace_hardirqs_off+0xb8/0x310
[  425.302244] Node 0 DMA32: 5*4kB (UM) 2*8kB (MH) 2*16kB (MH) 4*32kB (MH) 3*64kB (M) 2*128kB (M) 4*256kB (UMH) 3*512kB (UM) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24708kB
[  425.306382]  ? trace_hardirqs_off+0xb8/0x310
[  425.319875] Node 0 Normal: 930*4kB (MEH) 535*8kB (UMEH) 215*16kB (UME) 80*32kB (UMH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  425.324277]  __alloc_pages_slowpath+0x26e8/0x2e10
[  425.339770] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  425.344200]  ? warn_alloc+0x120/0x120
[  425.357945] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  425.362783]  ? print_usage_bug+0xc0/0xc0
[  425.371597] 2133 total pagecache pages
[  425.375390]  ? warn_alloc+0x120/0x120
[  425.383960] 0 pages in swap cache
[  425.388006]  ? warn_alloc+0x120/0x120
[  425.391866] Swap cache stats: add 0, delete 0, find 0/0
[  425.395668]  ? print_usage_bug+0xc0/0xc0
[  425.399107] Free swap  = 0kB
[  425.402910]  ? kvm_clock_read+0x18/0x30
[  425.408241] Total swap = 0kB
[  425.412311]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  425.415314] 1965979 pages RAM
[  425.419275]  ? print_usage_bug+0xc0/0xc0
[  425.422292] 0 pages HighMem/MovableOnly
[  425.422299] 342853 pages reserved
[  425.427317]  ? __lock_acquire+0x62f/0x4c20
[  425.430392] 0 pages cma reserved
[  425.434440]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  425.438446] aoe: skb alloc failure
[  425.441822]  ? should_fail+0x22d/0xd01
[  425.446120] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  425.449417]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  425.454926] ksoftirqd/0 cpuset=/ mems_allowed=0
[  425.458452]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  425.487693]  ? __lock_acquire+0x62f/0x4c20
[  425.491941]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  425.497042]  ? __lock_acquire+0x62f/0x4c20
[  425.501301]  ? should_fail+0x22d/0xd01
[  425.505181]  ? rcu_irq_exit+0x1a2/0x390
[  425.509155]  ? mark_held_locks+0x130/0x130
[  425.513404]  ? mark_held_locks+0x130/0x130
[  425.517656]  ? mark_held_locks+0xc7/0x130
[  425.521814]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  425.526823]  ? zap_class+0x640/0x640
[  425.530579]  ? print_usage_bug+0xc0/0xc0
[  425.534645]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.540193]  ? check_preemption_disabled+0x48/0x280
[  425.545208]  ? __lock_is_held+0xb5/0x140
[  425.549283]  __alloc_pages_nodemask+0xa80/0xde0
[  425.553964]  ? zap_class+0x640/0x640
[  425.557677]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  425.562696]  ? find_held_lock+0x36/0x1c0
[  425.566762]  ? ____cache_alloc_node+0x1c7/0x1e0
[  425.571429]  ? lock_downgrade+0x900/0x900
[  425.575664]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.581204]  cache_grow_begin+0xa5/0x8c0
[  425.585261]  ? do_raw_spin_unlock+0xa7/0x330
[  425.589678]  fallback_alloc+0x204/0x2e0
[  425.593657]  ____cache_alloc_node+0x1c7/0x1e0
[  425.598153]  kmem_cache_alloc_node+0xe3/0x730
[  425.602644]  ? ipv6_get_ifaddr+0x42e/0x620
[  425.606882]  __alloc_skb+0x119/0x770
[  425.610592]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  425.615867]  ? netdev_alloc_frag+0x1f0/0x1f0
[  425.620282]  ? lock_downgrade+0x900/0x900
[  425.624434]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.630011]  ? refcount_sub_and_test_checked+0x203/0x310
[  425.635455]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  425.640896]  ? addrconf_rs_timer+0x690/0x690
[  425.645315]  ndisc_alloc_skb+0x144/0x340
[  425.649416]  ndisc_send_rs+0x331/0x6e0
[  425.653314]  addrconf_rs_timer+0x314/0x690
[  425.657603]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.661864]  call_timer_fn+0x272/0x920
[  425.665773]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.670011]  ? process_timeout+0x40/0x40
[  425.674083]  ? mark_held_locks+0xc7/0x130
[  425.678233]  ? _raw_spin_unlock_irq+0x27/0x80
[  425.682758]  ? _raw_spin_unlock_irq+0x27/0x80
[  425.687250]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.691501]  ? lockdep_hardirqs_on+0x296/0x5b0
[  425.696092]  ? trace_hardirqs_on+0xbd/0x310
[  425.700421]  ? kasan_check_read+0x11/0x20
[  425.704573]  ? __run_timers+0x7da/0xc70
[  425.708573]  ? trace_hardirqs_off_caller+0x310/0x310
[  425.713689]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.717919]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.722149]  __run_timers+0x7e5/0xc70
[  425.725953]  ? timer_fixup_init+0x70/0x70
[  425.730126]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  425.735156]  ? zap_class+0x640/0x640
[  425.738881]  ? print_usage_bug+0xc0/0xc0
[  425.742942]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  425.748143]  ? find_held_lock+0x36/0x1c0
[  425.752221]  ? zap_class+0x640/0x640
[  425.755953]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.761489]  ? check_preemption_disabled+0x48/0x280
[  425.766516]  ? __lock_is_held+0xb5/0x140
[  425.770590]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.776133]  ? check_preemption_disabled+0x48/0x280
[  425.781211]  run_timer_softirq+0x52/0xb0
[  425.785272]  ? rcu_read_lock_sched_held+0x14f/0x180
[  425.790299]  __do_softirq+0x308/0xb7e
[  425.794104]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  425.798601]  ? lock_downgrade+0x900/0x900
[  425.802753]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  425.807880]  ? pvclock_read_flags+0x160/0x160
[  425.812377]  ? lapic_next_event+0x5a/0x90
[  425.816536]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.822081]  ? kvm_clock_read+0x18/0x30
[  425.826089]  ? kvm_sched_clock_read+0x9/0x20
[  425.830498]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.836047]  ? check_preemption_disabled+0x48/0x280
[  425.841080]  irq_exit+0x17f/0x1c0
[  425.844556]  smp_apic_timer_interrupt+0x1cb/0x760
[  425.849399]  ? smp_reschedule_interrupt+0x109/0x650
[  425.854413]  ? smp_call_function_single_interrupt+0x650/0x650
[  425.860304]  ? interrupt_entry+0xb5/0xc0
[  425.864366]  ? trace_hardirqs_off_caller+0xbb/0x310
[  425.869381]  ? trace_hardirqs_off_caller+0xbb/0x310
[  425.874398]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  425.879247]  ? trace_hardirqs_on_caller+0x310/0x310
[  425.884280]  ? trace_hardirqs_on_caller+0x310/0x310
[  425.889316]  ? task_prio+0x50/0x50
[  425.892890]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.898429]  ? check_preemption_disabled+0x48/0x280
[  425.903449]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  425.908301]  apic_timer_interrupt+0xf/0x20
[  425.912525]  </IRQ>
[  425.914788] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  425.920027] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec
[  425.938931] RSP: 0018:ffff8801c2d36100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  425.946643] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100385b2de6
[  425.953908] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c2d96ebc
[  425.961179] RBP: ffff8801c2d36128 R08: ffff8801c2d96f30 R09: 0000000000000006
[  425.968445] R10: 0000000000000000 R11: ffff8801c2d96640 R12: dffffc0000000000
[  425.975713] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  425.983016]  retint_kernel+0x1b/0x2d
[  425.986734] RIP: 0010:dump_stack+0x358/0x39d
[  425.991148] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  426.010044] RSP: 0018:ffff8801c2d361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  426.017752] RAX: ffff8801c2d96640 RBX: 1ffffffff12a3f76 RCX: 1ffff100385b2de6
[  426.025018] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  426.032283] RBP: ffff8801c2d36290 R08: ffff8801c2d96f30 R09: 0000000000000006
[  426.039554] R10: 0000000000000000 R11: ffff8801c2d96640 R12: 1ffff100385a6c45
[  426.046838] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  426.054137]  ? dump_stack+0x34f/0x39d
[  426.057951]  ? dump_stack_print_info.cold.1+0x20/0x20
[  426.063176]  ? mark_held_locks+0x130/0x130
[  426.067406]  ? mark_held_locks+0x130/0x130
[  426.071650]  dump_header+0x27b/0xf72
[  426.075393]  ? pagefault_out_of_memory+0x197/0x197
[  426.080346]  ? __lock_acquire+0x62f/0x4c20
[  426.084583]  ? percpu_ref_get_many+0x240/0x240
[  426.089165]  ? print_usage_bug+0xc0/0xc0
[  426.093243]  ? zap_class+0x640/0x640
[  426.096962]  ? print_usage_bug+0xc0/0xc0
[  426.101019]  ? print_usage_bug+0xc0/0xc0
[  426.105079]  ? zap_class+0x640/0x640
[  426.108791]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.114347]  ? find_held_lock+0x36/0x1c0
[  426.118446]  ? mark_held_locks+0xc7/0x130
[  426.122605]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  426.127706]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  426.132831]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  426.137417]  ? trace_hardirqs_on+0xbd/0x310
[  426.141739]  ? kasan_check_read+0x11/0x20
[  426.145884]  ? ___ratelimit+0x3b4/0x672
[  426.149861]  ? trace_hardirqs_off_caller+0x310/0x310
[  426.154964]  ? trace_hardirqs_on+0x310/0x310
[  426.159370]  ? lock_downgrade+0x900/0x900
[  426.163525]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  426.168651]  ? ___ratelimit+0x3b9/0x672
[  426.172629]  ? idr_get_free+0xf70/0xf70
[  426.176605]  ? find_held_lock+0x36/0x1c0
[  426.180674]  oom_kill_process.cold.27+0x10/0x903
[  426.185424]  ? zap_class+0x640/0x640
[  426.189167]  ? check_preemption_disabled+0x48/0x280
[  426.194253]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  426.199192]  ? kasan_check_read+0x11/0x20
[  426.203339]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  426.208644]  ? oom_evaluate_task+0x540/0x540
[  426.213058]  ? find_held_lock+0x36/0x1c0
[  426.217126]  ? out_of_memory+0x974/0x1430
[  426.221277]  ? lock_downgrade+0x900/0x900
[  426.225429]  ? check_preemption_disabled+0x48/0x280
[  426.230445]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  426.235371]  ? kasan_check_read+0x11/0x20
[  426.239522]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  426.244844]  ? rcu_softirq_qs+0x20/0x20
[  426.248842]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  426.254377]  ? oom_evaluate_task+0x302/0x540
[  426.258812]  out_of_memory+0xa84/0x1430
[  426.262797]  ? oom_killer_disable+0x3a0/0x3a0
[  426.267301]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  426.272235]  ? __ww_mutex_check_waiters+0x160/0x160
[  426.277293]  __alloc_pages_slowpath+0x2354/0x2e10
[  426.282161]  ? warn_alloc+0x120/0x120
[  426.285958]  ? mark_held_locks+0x130/0x130
[  426.290195]  ? find_get_entry+0xaae/0x1120
[  426.294434]  ? filemap_map_pages+0x1a20/0x1a20
[  426.299016]  ? zap_class+0x640/0x640
[  426.302728]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.308260]  ? check_preemption_disabled+0x48/0x280
[  426.313301]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  426.318836]  ? should_fail+0x22d/0xd01
[  426.322727]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  426.327838]  ? zap_class+0x640/0x640
[  426.331580]  ? __lock_is_held+0xb5/0x140
[  426.335645]  ? mark_held_locks+0x130/0x130
[  426.339883]  ? lock_release+0xa00/0xa00
[  426.343858]  ? perf_trace_sched_process_exec+0x860/0x860
[  426.349312]  ? xa_load+0x2ba/0x460
[  426.352852]  ? lock_downgrade+0x900/0x900
[  426.357010]  ? __might_sleep+0x95/0x190
[  426.361010]  __alloc_pages_nodemask+0xa80/0xde0
[  426.365699]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  426.370722]  ? __page_cache_alloc+0x191/0x5c0
[  426.375216]  ? xa_load+0x2e1/0x460
[  426.378763]  ? xa_clear_mark+0x40/0x40
[  426.382656]  ? zap_class+0x640/0x640
[  426.386376]  ? zap_class+0x640/0x640
[  426.390089]  ? zap_class+0x640/0x640
[  426.393801]  ? __do_page_cache_readahead+0x663/0x810
[  426.398905]  ? find_held_lock+0x36/0x1c0
[  426.402997]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  426.408556]  alloc_pages_current+0x173/0x350
[  426.412970]  __page_cache_alloc+0x38c/0x5c0
[  426.417297]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  426.422230]  ? kasan_check_read+0x11/0x20
[  426.426386]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  426.431656]  ? generic_perform_write+0x6a0/0x6a0
[  426.436421]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  426.441953]  ? check_preemption_disabled+0x48/0x280
[  426.446969]  filemap_fault+0x1595/0x25f0
[  426.451035]  ? __lock_page_or_retry+0xa00/0xa00
[  426.455698]  ? mark_held_locks+0x130/0x130
[  426.459975]  ? filemap_map_pages+0xd6b/0x1a20
[  426.464485]  ? lock_downgrade+0x900/0x900
[  426.468627]  ? check_preemption_disabled+0x48/0x280
[  426.473638]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  426.478565]  ? kasan_check_read+0x11/0x20
[  426.482722]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  426.487989]  ? rcu_softirq_qs+0x20/0x20
[  426.491994]  ? filemap_map_pages+0xd92/0x1a20
[  426.496493]  ? find_get_entries_tag+0x1400/0x1400
[  426.501327]  ? find_held_lock+0x36/0x1c0
[  426.505442]  ? lock_acquire+0x1ed/0x520
[  426.509424]  ? ext4_filemap_fault+0x7a/0xad
[  426.513745]  ? lock_release+0xa00/0xa00
[  426.517711]  ? perf_trace_sched_process_exec+0x860/0x860
[  426.523171]  ? print_usage_bug+0xc0/0xc0
[  426.527271]  ? down_read+0x8d/0x120
[  426.530906]  ? ext4_filemap_fault+0x7a/0xad
[  426.535240]  ? __down_interruptible+0x700/0x700
[  426.539908]  ? find_held_lock+0x36/0x1c0
[  426.543966]  ext4_filemap_fault+0x82/0xad
[  426.548110]  __do_fault+0x100/0x6b0
[  426.551752]  ? lock_downgrade+0x900/0x900
[  426.555915]  ? pmd_devmap_trans_unstable+0x220/0x220
[  426.561016]  ? kasan_check_read+0x11/0x20
[  426.565174]  ? do_raw_spin_unlock+0xa7/0x330
[  426.569595]  ? do_raw_spin_trylock+0x270/0x270
[  426.574187]  __handle_mm_fault+0x3ea0/0x5be0
[  426.578595]  ? perf_trace_lock+0x7a0/0x7a0
[  426.582858]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  426.587733]  ? zap_class+0x640/0x640
[  426.591443]  ? zap_class+0x640/0x640
[  426.595153]  ? __x64_sys_futex+0x53e/0x6a0
[  426.599398]  ? find_held_lock+0x36/0x1c0
[  426.603467]  ? handle_mm_fault+0x42a/0xc70
[  426.607698]  ? lock_downgrade+0x900/0x900
[  426.611858]  ? check_preemption_disabled+0x48/0x280
[  426.616895]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  426.621998]  ? kasan_check_read+0x11/0x20
[  426.626142]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  426.631414]  ? rcu_softirq_qs+0x20/0x20
[  426.635396]  ? trace_hardirqs_off_caller+0x310/0x310
[  426.640510]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  426.646053]  ? check_preemption_disabled+0x48/0x280
[  426.651070]  handle_mm_fault+0x54f/0xc70
[  426.655128]  ? __handle_mm_fault+0x5be0/0x5be0
[  426.659755]  ? find_vma+0x34/0x190
[  426.663299]  __do_page_fault+0x5e8/0xe60
[  426.667352]  ? trace_hardirqs_off+0xb8/0x310
[  426.671769]  ? kernel_write+0x120/0x120
[  426.675853]  do_page_fault+0xf2/0x7e0
[  426.679650]  ? vmalloc_sync_all+0x30/0x30
[  426.683808]  ? error_entry+0x70/0xd0
[  426.687539]  ? trace_hardirqs_off_caller+0xbb/0x310
[  426.692583]  ? trace_hardirqs_on_caller+0xc0/0x310
[  426.697505]  ? syscall_return_slowpath+0x5e0/0x5e0
[  426.702434]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  426.707295]  ? trace_hardirqs_on_caller+0x310/0x310
[  426.712323]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  426.717771]  ? prepare_exit_to_usermode+0x291/0x3b0
[  426.722796]  ? page_fault+0x8/0x30
[  426.726337]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  426.731182]  ? page_fault+0x8/0x30
[  426.734733]  page_fault+0x1e/0x30
[  426.738184] RIP: 0033:0x404068
[  426.741404] Code: Bad RIP value.
[  426.744761] RSP: 002b:000000c420024e48 EFLAGS: 00010206
[  426.750117] RAX: 000000c422dd4cc0 RBX: 000000c42875f801 RCX: 000000c424d31838
[  426.757864] RDX: 000000c422dd4cc0 RSI: 0000000000000001 RDI: 0000000000000001
[  426.765133] RBP: 000000c420024ed8 R08: 00007ffd3a9b40b0 R09: 00007ffd3a9b4080
[  426.772400] R10: 000000000000eacc R11: 0000000000000165 R12: 0000000000000001
[  426.779666] R13: 000000c4271c3620 R14: 0000000000000001 R15: 0000000000000000
[  426.786964] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #83
[  426.787049] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  426.793731] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  426.793737] Call Trace:
[  426.793760]  dump_stack+0x244/0x39d
[  426.793779]  ? dump_stack_print_info.cold.1+0x20/0x20
[  426.800353] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  426.809634]  warn_alloc.cold.116+0xb7/0x1bd
[  426.812192] syz-fuzzer cpuset=/ mems_allowed=0
[  426.815816]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  426.844950]  ? lock_downgrade+0x900/0x900
[  426.849112]  ? trace_hardirqs_off+0xb8/0x310
[  426.853537]  ? trace_hardirqs_off+0xb8/0x310
[  426.857957]  __alloc_pages_slowpath+0x26e8/0x2e10
[  426.862837]  ? warn_alloc+0x120/0x120
[  426.866645]  ? warn_alloc+0x120/0x120
[  426.870457]  ? warn_alloc+0x120/0x120
[  426.874290]  ? print_usage_bug+0xc0/0xc0
[  426.878360]  ? print_usage_bug+0xc0/0xc0
[  426.882421]  ? mark_held_locks+0x130/0x130
[  426.886659]  ? mark_held_locks+0x130/0x130
[  426.890902]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  426.896439]  ? should_fail+0x22d/0xd01
[  426.900328]  ? zap_class+0x640/0x640
[  426.904048]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  426.909155]  ? __lock_acquire+0x62f/0x4c20
[  426.913396]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  426.918496]  ? __lock_acquire+0x62f/0x4c20
[  426.922737]  ? should_fail+0x22d/0xd01
[  426.926636]  ? mark_held_locks+0x130/0x130
[  426.930879]  ? mark_held_locks+0x130/0x130
[  426.935112]  ? lock_downgrade+0x900/0x900
[  426.939263]  ? zap_class+0x640/0x640
[  426.942983]  ? zap_class+0x640/0x640
[  426.946699]  ? do_raw_spin_unlock+0xa7/0x330
[  426.951113]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  426.955873]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.961413]  ? check_preemption_disabled+0x48/0x280
[  426.966458]  ? __lock_is_held+0xb5/0x140
[  426.970526]  __alloc_pages_nodemask+0xa80/0xde0
[  426.975206]  ? zap_class+0x640/0x640
[  426.978931]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  426.983991]  ? find_held_lock+0x36/0x1c0
[  426.988083]  ? ____cache_alloc_node+0x1c7/0x1e0
[  426.992758]  ? lock_downgrade+0x900/0x900
[  426.996919]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.002461]  cache_grow_begin+0xa5/0x8c0
[  427.006563]  ? do_raw_spin_unlock+0xa7/0x330
[  427.010984]  fallback_alloc+0x204/0x2e0
[  427.014972]  ____cache_alloc_node+0x1c7/0x1e0
[  427.019504]  kmem_cache_alloc_node+0xe3/0x730
[  427.024007]  ? lockdep_hardirqs_on+0x296/0x5b0
[  427.028603]  __alloc_skb+0x119/0x770
[  427.032330]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  427.037698]  ? netdev_alloc_frag+0x1f0/0x1f0
[  427.042130]  ? vprintk_default+0x28/0x30
[  427.046221]  ? vprintk_func+0x85/0x181
[  427.050164]  ? printk+0xa7/0xcf
[  427.053440]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  427.058219]  ? do_raw_spin_trylock+0x270/0x270
[  427.062823]  new_skb+0x26/0x1c0
[  427.066114]  aoecmd_cfg+0x279/0x7f0
[  427.069741]  ? find_held_lock+0x36/0x1c0
[  427.073804]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  427.078142]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.083684]  ? __lock_is_held+0xb5/0x140
[  427.087752]  discover_timer+0x50/0x60
[  427.091570]  call_timer_fn+0x272/0x920
[  427.095453]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  427.100295]  ? process_timeout+0x40/0x40
[  427.104360]  ? __run_timers+0x7da/0xc70
[  427.108334]  ? _raw_spin_unlock_irq+0x27/0x80
[  427.112823]  ? _raw_spin_unlock_irq+0x27/0x80
[  427.117339]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  427.122179]  ? lockdep_hardirqs_on+0x296/0x5b0
[  427.126761]  ? trace_hardirqs_on+0xbd/0x310
[  427.131103]  ? kasan_check_read+0x11/0x20
[  427.135422]  ? __run_timers+0x7da/0xc70
[  427.139407]  ? trace_hardirqs_off_caller+0x310/0x310
[  427.144552]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  427.149398]  __run_timers+0x7e5/0xc70
[  427.153208]  ? timer_fixup_init+0x70/0x70
[  427.157357]  ? _raw_spin_unlock_irq+0x27/0x80
[  427.161854]  ? _raw_spin_unlock_irq+0x27/0x80
[  427.166369]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  427.170956]  ? trace_hardirqs_on+0xbd/0x310
[  427.175296]  ? kasan_check_read+0x11/0x20
[  427.179446]  ? finish_task_switch+0x1f4/0x910
[  427.183963]  ? trace_hardirqs_off_caller+0x310/0x310
[  427.189069]  ? compat_start_thread+0x80/0x80
[  427.193498]  ? pvclock_read_flags+0x160/0x160
[  427.197998]  ? __switch_to_asm+0x34/0x70
[  427.202077]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.207712]  ? check_preemption_disabled+0x48/0x280
[  427.212739]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  427.218280]  ? rcu_pm_notify+0xc0/0xc0
[  427.222167]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.227708]  ? check_preemption_disabled+0x48/0x280
[  427.232729]  run_timer_softirq+0x52/0xb0
[  427.236796]  ? rcu_read_lock_sched_held+0x14f/0x180
[  427.241816]  __do_softirq+0x308/0xb7e
[  427.245624]  ? trace_hardirqs_on_caller+0xc0/0x310
[  427.250566]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  427.255669]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  427.261140]  ? schedule+0x108/0x460
[  427.264777]  ? trace_hardirqs_off+0xb8/0x310
[  427.269190]  ? smpboot_thread_fn+0x68b/0xa00
[  427.273599]  ? trace_hardirqs_on+0x310/0x310
[  427.278028]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  427.283565]  ? check_preemption_disabled+0x48/0x280
[  427.288610]  ? takeover_tasklets+0xa90/0xa90
[  427.293019]  run_ksoftirqd+0x5e/0x100
[  427.296826]  smpboot_thread_fn+0x68b/0xa00
[  427.301067]  ? sort_range+0x30/0x30
[  427.304969]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  427.310071]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  427.315607]  ? __kthread_parkme+0xfb/0x1a0
[  427.319848]  ? sort_range+0x30/0x30
[  427.323478]  kthread+0x35a/0x440
[  427.326847]  ? kthread_stop+0x900/0x900
[  427.330825]  ret_from_fork+0x3a/0x50
[  427.334556] warn_alloc_show_mem: 1 callbacks suppressed
[  427.334566] CPU: 1 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  427.334567] Mem-Info:
[  427.334596] active_anon:44321 inactive_anon:2061 isolated_anon:0
[  427.334596]  active_file:14 inactive_file:14 isolated_file:0
[  427.334596]  unevictable:0 dirty:0 writeback:0 unstable:0
[  427.334596]  slab_reclaimable:9437 slab_unreclaimable:1460937
[  427.334596]  mapped:49154 shmem:2105 pagetables:642 bounce:0
[  427.334596]  free:13638 free_pcp:328 free_cma:0
[  427.339934] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  427.346864] Node 0 active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8420kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  427.349260] Call Trace:
[  427.382305] 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
[  427.391660]  <IRQ>
[  427.419240] lowmem_reserve[]: 0 2818 6321 6321
[  427.421836]  dump_stack+0x244/0x39d
[  427.447912] Node 0 DMA32 free:24708kB 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
[  427.450057]  ? dump_stack_print_info.cold.1+0x20/0x20
[  427.454615] lowmem_reserve[]: 0 0 3503 3503
[  427.458244]  warn_alloc.cold.116+0xb7/0x1bd
[  427.485707] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2568kB bounce:0kB free_pcp:1064kB local_pcp:692kB free_cma:0kB
[  427.490883]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  427.495174] lowmem_reserve[]: 0 0 0 0
[  427.499523]  ? lock_downgrade+0x900/0x900
[  427.528585] 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
[  427.533426]  ? trace_hardirqs_off+0xb8/0x310
[  427.537191] Node 0 DMA32: 5*4kB (UM) 2*8kB (MH) 2*16kB (MH) 4*32kB (MH) 3*64kB (M) 2*128kB (M) 4*256kB (UMH) 3*512kB (UM) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24708kB
[  427.541341]  ? trace_hardirqs_off+0xb8/0x310
[  427.554849] Node 0 Normal: 930*4kB (MEH) 535*8kB (UMEH) 215*16kB (UME) 80*32kB (UMH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  427.559271]  __alloc_pages_slowpath+0x26e8/0x2e10
[  427.574769] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  427.579187]  ? warn_alloc+0x120/0x120
[  427.592944] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  427.597769]  ? warn_alloc+0x120/0x120
[  427.606580] 2133 total pagecache pages
[  427.610401]  ? warn_alloc+0x120/0x120
[  427.618985] 0 pages in swap cache
[  427.622775]  ? print_usage_bug+0xc0/0xc0
[  427.626636] Swap cache stats: add 0, delete 0, find 0/0
[  427.630425]  ? mark_held_locks+0x130/0x130
[  427.633851] Free swap  = 0kB
[  427.637906]  ? print_usage_bug+0xc0/0xc0
[  427.643247] Total swap = 0kB
[  427.647477]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  427.650463] 1965979 pages RAM
[  427.654516]  ? should_fail+0x22d/0xd01
[  427.657514] 0 pages HighMem/MovableOnly
[  427.663081]  ? zap_class+0x640/0x640
[  427.666159] 342853 pages reserved
[  427.666167] 0 pages cma reserved
[  427.670048]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  427.674082] aoe: skb alloc failure
[  427.677697]  ? __lock_acquire+0x62f/0x4c20
[  427.681153] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  427.684483]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  427.689575] ksoftirqd/0 cpuset=/ mems_allowed=0
[  427.693106]  ? should_fail+0x22d/0xd01
[  427.721241]  ? mark_held_locks+0x130/0x130
[  427.725486]  ? mark_held_locks+0x130/0x130
[  427.729725]  ? mark_held_locks+0x130/0x130
[  427.733957]  ? print_usage_bug+0xc0/0xc0
[  427.738041]  ? find_held_lock+0x36/0x1c0
[  427.742104]  ? zap_class+0x640/0x640
[  427.745826]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.751364]  ? check_preemption_disabled+0x48/0x280
[  427.756388]  ? __lock_is_held+0xb5/0x140
[  427.760455]  __alloc_pages_nodemask+0xa80/0xde0
[  427.765126]  ? zap_class+0x640/0x640
[  427.768873]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  427.773918]  ? find_held_lock+0x36/0x1c0
[  427.778008]  ? ____cache_alloc_node+0x1c7/0x1e0
[  427.782682]  ? lock_downgrade+0x900/0x900
[  427.786835]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.792377]  cache_grow_begin+0xa5/0x8c0
[  427.796439]  ? do_raw_spin_unlock+0xa7/0x330
[  427.800875]  fallback_alloc+0x204/0x2e0
[  427.804855]  ____cache_alloc_node+0x1c7/0x1e0
[  427.809358]  kmem_cache_alloc_node+0xe3/0x730
[  427.813887]  ? mark_held_locks+0xc7/0x130
[  427.818044]  __alloc_skb+0x119/0x770
[  427.821763]  ? netdev_alloc_frag+0x1f0/0x1f0
[  427.826212]  ? do_raw_spin_trylock+0x270/0x270
[  427.830816]  ? kmem_cache_alloc_trace+0x353/0x750
[  427.835677]  ? queue_work_on+0x12c/0x1e0
[  427.839746]  ? switchdev_port_obj_del+0xdc/0x440
[  427.844503]  ? switchdev_trans_item_enqueue+0x260/0x260
[  427.849878]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  427.854897]  __br_mdb_notify+0x4ff/0x15d0
[  427.859057]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  427.864163]  ? __br_mdb_add+0x7f0/0x7f0
[  427.868137]  ? mark_held_locks+0x130/0x130
[  427.872392]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  427.877502]  ? debug_object_assert_init+0x368/0x4b0
[  427.882524]  ? trace_hardirqs_off_caller+0x310/0x310
[  427.887650]  ? debug_object_init_on_stack+0x20/0x20
[  427.892665]  ? zap_class+0x640/0x640
[  427.896381]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.901918]  br_mdb_notify+0x310/0x410
[  427.905819]  ? br_mdb_dump+0x27b0/0x27b0
[  427.909925]  br_multicast_del_pg+0x3df/0x790
[  427.914336]  ? br_mdb_ip_get+0x940/0x940
[  427.918393]  ? rwlock_bug.part.2+0x90/0x90
[  427.922631]  ? __lock_is_held+0xb5/0x140
[  427.926713]  br_multicast_port_group_expired+0x189/0x1e0
[  427.932164]  call_timer_fn+0x272/0x920
[  427.936054]  ? br_multicast_del_pg+0x790/0x790
[  427.940653]  ? process_timeout+0x40/0x40
[  427.944732]  ? mark_held_locks+0xc7/0x130
[  427.948915]  ? _raw_spin_unlock_irq+0x27/0x80
[  427.953405]  ? _raw_spin_unlock_irq+0x27/0x80
[  427.957897]  ? br_multicast_del_pg+0x790/0x790
[  427.962490]  ? lockdep_hardirqs_on+0x296/0x5b0
[  427.967094]  ? trace_hardirqs_on+0xbd/0x310
[  427.971414]  ? kasan_check_read+0x11/0x20
[  427.975562]  ? __run_timers+0x7da/0xc70
[  427.979543]  ? trace_hardirqs_off_caller+0x310/0x310
[  427.984647]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  427.988880]  ? br_multicast_del_pg+0x790/0x790
[  427.993535]  __run_timers+0x7e5/0xc70
[  427.997386]  ? timer_fixup_init+0x70/0x70
[  428.001587]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  428.006605]  ? zap_class+0x640/0x640
[  428.010328]  ? print_usage_bug+0xc0/0xc0
[  428.014386]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  428.019578]  ? find_held_lock+0x36/0x1c0
[  428.023641]  ? zap_class+0x640/0x640
[  428.027356]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.032891]  ? check_preemption_disabled+0x48/0x280
[  428.037915]  ? __lock_is_held+0xb5/0x140
[  428.041974]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.047522]  ? check_preemption_disabled+0x48/0x280
[  428.052569]  run_timer_softirq+0x52/0xb0
[  428.056625]  ? rcu_read_lock_sched_held+0x14f/0x180
[  428.061639]  __do_softirq+0x308/0xb7e
[  428.065435]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  428.069925]  ? lock_downgrade+0x900/0x900
[  428.074073]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  428.079180]  ? pvclock_read_flags+0x160/0x160
[  428.083674]  ? lapic_next_event+0x5a/0x90
[  428.087818]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.093373]  ? kvm_clock_read+0x18/0x30
[  428.097359]  ? kvm_sched_clock_read+0x9/0x20
[  428.101762]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.107312]  ? check_preemption_disabled+0x48/0x280
[  428.112331]  irq_exit+0x17f/0x1c0
[  428.115792]  smp_apic_timer_interrupt+0x1cb/0x760
[  428.120631]  ? smp_reschedule_interrupt+0x109/0x650
[  428.125677]  ? smp_call_function_single_interrupt+0x650/0x650
[  428.131569]  ? interrupt_entry+0xb5/0xc0
[  428.135632]  ? trace_hardirqs_off_caller+0xbb/0x310
[  428.140659]  ? trace_hardirqs_off_caller+0xbb/0x310
[  428.145676]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  428.150538]  ? trace_hardirqs_on_caller+0x310/0x310
[  428.155574]  ? trace_hardirqs_on_caller+0x310/0x310
[  428.160584]  ? task_prio+0x50/0x50
[  428.164150]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.169680]  ? check_preemption_disabled+0x48/0x280
[  428.174708]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  428.179557]  apic_timer_interrupt+0xf/0x20
[  428.183783]  </IRQ>
[  428.186016] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  428.191222] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec
[  428.210114] RSP: 0018:ffff8801c2d36100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  428.217846] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100385b2de6
[  428.225111] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c2d96ebc
[  428.232421] RBP: ffff8801c2d36128 R08: ffff8801c2d96f30 R09: 0000000000000006
[  428.239683] R10: 0000000000000000 R11: ffff8801c2d96640 R12: dffffc0000000000
[  428.246948] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  428.254256]  retint_kernel+0x1b/0x2d
[  428.257965] RIP: 0010:dump_stack+0x358/0x39d
[  428.262373] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  428.281283] RSP: 0018:ffff8801c2d361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  428.289014] RAX: ffff8801c2d96640 RBX: 1ffffffff12a3f76 RCX: 1ffff100385b2de6
[  428.296305] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  428.303583] RBP: ffff8801c2d36290 R08: ffff8801c2d96f30 R09: 0000000000000006
[  428.310845] R10: 0000000000000000 R11: ffff8801c2d96640 R12: 1ffff100385a6c45
[  428.318137] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  428.325421]  ? dump_stack+0x34f/0x39d
[  428.329245]  ? dump_stack_print_info.cold.1+0x20/0x20
[  428.334440]  ? mark_held_locks+0x130/0x130
[  428.338670]  ? mark_held_locks+0x130/0x130
[  428.342905]  dump_header+0x27b/0xf72
[  428.346627]  ? pagefault_out_of_memory+0x197/0x197
[  428.351565]  ? __lock_acquire+0x62f/0x4c20
[  428.355817]  ? percpu_ref_get_many+0x240/0x240
[  428.360399]  ? print_usage_bug+0xc0/0xc0
[  428.364457]  ? zap_class+0x640/0x640
[  428.368169]  ? print_usage_bug+0xc0/0xc0
[  428.372222]  ? print_usage_bug+0xc0/0xc0
[  428.376281]  ? zap_class+0x640/0x640
[  428.379996]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.385551]  ? find_held_lock+0x36/0x1c0
[  428.389615]  ? mark_held_locks+0xc7/0x130
[  428.393774]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  428.398869]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  428.403966]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  428.408564]  ? trace_hardirqs_on+0xbd/0x310
[  428.412910]  ? kasan_check_read+0x11/0x20
[  428.417070]  ? ___ratelimit+0x3b4/0x672
[  428.421044]  ? trace_hardirqs_off_caller+0x310/0x310
[  428.426148]  ? trace_hardirqs_on+0x310/0x310
[  428.430561]  ? lock_downgrade+0x900/0x900
[  428.434707]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  428.439819]  ? ___ratelimit+0x3b9/0x672
[  428.443792]  ? idr_get_free+0xf70/0xf70
[  428.447761]  ? find_held_lock+0x36/0x1c0
[  428.451825]  oom_kill_process.cold.27+0x10/0x903
[  428.456579]  ? zap_class+0x640/0x640
[  428.460295]  ? check_preemption_disabled+0x48/0x280
[  428.465343]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  428.470269]  ? kasan_check_read+0x11/0x20
[  428.474411]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  428.479683]  ? oom_evaluate_task+0x540/0x540
[  428.484089]  ? find_held_lock+0x36/0x1c0
[  428.488174]  ? out_of_memory+0x974/0x1430
[  428.492336]  ? lock_downgrade+0x900/0x900
[  428.496480]  ? check_preemption_disabled+0x48/0x280
[  428.501494]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  428.506439]  ? kasan_check_read+0x11/0x20
[  428.510584]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  428.515871]  ? rcu_softirq_qs+0x20/0x20
[  428.519860]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  428.525388]  ? oom_evaluate_task+0x302/0x540
[  428.529821]  out_of_memory+0xa84/0x1430
[  428.533859]  ? oom_killer_disable+0x3a0/0x3a0
[  428.538381]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  428.543331]  ? __ww_mutex_check_waiters+0x160/0x160
[  428.548388]  __alloc_pages_slowpath+0x2354/0x2e10
[  428.553248]  ? warn_alloc+0x120/0x120
[  428.557041]  ? mark_held_locks+0x130/0x130
[  428.561296]  ? find_get_entry+0xaae/0x1120
[  428.565598]  ? filemap_map_pages+0x1a20/0x1a20
[  428.570204]  ? zap_class+0x640/0x640
[  428.573919]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.579459]  ? check_preemption_disabled+0x48/0x280
[  428.584472]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  428.590004]  ? should_fail+0x22d/0xd01
[  428.593889]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  428.599025]  ? zap_class+0x640/0x640
[  428.602808]  ? __lock_is_held+0xb5/0x140
[  428.606869]  ? mark_held_locks+0x130/0x130
[  428.611117]  ? lock_release+0xa00/0xa00
[  428.615092]  ? perf_trace_sched_process_exec+0x860/0x860
[  428.620687]  ? xa_load+0x2ba/0x460
[  428.624229]  ? lock_downgrade+0x900/0x900
[  428.628385]  ? __might_sleep+0x95/0x190
[  428.632365]  __alloc_pages_nodemask+0xa80/0xde0
[  428.637042]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  428.642086]  ? __page_cache_alloc+0x191/0x5c0
[  428.646582]  ? xa_load+0x2e1/0x460
[  428.650126]  ? xa_clear_mark+0x40/0x40
[  428.654035]  ? zap_class+0x640/0x640
[  428.657769]  ? zap_class+0x640/0x640
[  428.661497]  ? zap_class+0x640/0x640
[  428.665209]  ? __do_page_cache_readahead+0x663/0x810
[  428.670329]  ? find_held_lock+0x36/0x1c0
[  428.674391]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  428.679946]  alloc_pages_current+0x173/0x350
[  428.684371]  __page_cache_alloc+0x38c/0x5c0
[  428.688693]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  428.693623]  ? kasan_check_read+0x11/0x20
[  428.697803]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  428.703089]  ? generic_perform_write+0x6a0/0x6a0
[  428.707876]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  428.713422]  ? check_preemption_disabled+0x48/0x280
[  428.718465]  filemap_fault+0x1595/0x25f0
[  428.722565]  ? __lock_page_or_retry+0xa00/0xa00
[  428.727259]  ? mark_held_locks+0x130/0x130
[  428.731506]  ? filemap_map_pages+0xd6b/0x1a20
[  428.736012]  ? lock_downgrade+0x900/0x900
[  428.740177]  ? check_preemption_disabled+0x48/0x280
[  428.745228]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  428.750159]  ? kasan_check_read+0x11/0x20
[  428.754855]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  428.760134]  ? rcu_softirq_qs+0x20/0x20
[  428.764127]  ? filemap_map_pages+0xd92/0x1a20
[  428.768648]  ? find_get_entries_tag+0x1400/0x1400
[  428.773491]  ? find_held_lock+0x36/0x1c0
[  428.777624]  ? lock_acquire+0x1ed/0x520
[  428.781597]  ? ext4_filemap_fault+0x7a/0xad
[  428.785921]  ? lock_release+0xa00/0xa00
[  428.789893]  ? perf_trace_sched_process_exec+0x860/0x860
[  428.795340]  ? print_usage_bug+0xc0/0xc0
[  428.799428]  ? down_read+0x8d/0x120
[  428.803085]  ? ext4_filemap_fault+0x7a/0xad
[  428.807406]  ? __down_interruptible+0x700/0x700
[  428.812076]  ? find_held_lock+0x36/0x1c0
[  428.816140]  ext4_filemap_fault+0x82/0xad
[  428.820317]  __do_fault+0x100/0x6b0
[  428.823948]  ? lock_downgrade+0x900/0x900
[  428.828098]  ? pmd_devmap_trans_unstable+0x220/0x220
[  428.833209]  ? kasan_check_read+0x11/0x20
[  428.837350]  ? do_raw_spin_unlock+0xa7/0x330
[  428.841788]  ? do_raw_spin_trylock+0x270/0x270
[  428.846408]  __handle_mm_fault+0x3ea0/0x5be0
[  428.850816]  ? perf_trace_lock+0x7a0/0x7a0
[  428.855080]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  428.859963]  ? zap_class+0x640/0x640
[  428.863712]  ? zap_class+0x640/0x640
[  428.867425]  ? __x64_sys_futex+0x53e/0x6a0
[  428.871667]  ? find_held_lock+0x36/0x1c0
[  428.875758]  ? handle_mm_fault+0x42a/0xc70
[  428.880011]  ? lock_downgrade+0x900/0x900
[  428.884173]  ? check_preemption_disabled+0x48/0x280
[  428.889196]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  428.894133]  ? kasan_check_read+0x11/0x20
[  428.898283]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  428.903571]  ? rcu_softirq_qs+0x20/0x20
[  428.907556]  ? trace_hardirqs_off_caller+0x310/0x310
[  428.912665]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  428.918210]  ? check_preemption_disabled+0x48/0x280
[  428.923240]  handle_mm_fault+0x54f/0xc70
[  428.927366]  ? __handle_mm_fault+0x5be0/0x5be0
[  428.931972]  ? find_vma+0x34/0x190
[  428.935542]  __do_page_fault+0x5e8/0xe60
[  428.939628]  ? trace_hardirqs_off+0xb8/0x310
[  428.944038]  ? kernel_write+0x120/0x120
[  428.948025]  do_page_fault+0xf2/0x7e0
[  428.951830]  ? vmalloc_sync_all+0x30/0x30
[  428.955980]  ? error_entry+0x70/0xd0
[  428.959699]  ? trace_hardirqs_off_caller+0xbb/0x310
[  428.964717]  ? trace_hardirqs_on_caller+0xc0/0x310
[  428.969647]  ? syscall_return_slowpath+0x5e0/0x5e0
[  428.974575]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  428.979421]  ? trace_hardirqs_on_caller+0x310/0x310
[  428.984444]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  428.989900]  ? prepare_exit_to_usermode+0x291/0x3b0
[  428.994921]  ? page_fault+0x8/0x30
[  428.998465]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  429.003322]  ? page_fault+0x8/0x30
[  429.006866]  page_fault+0x1e/0x30
[  429.010347] RIP: 0033:0x404068
[  429.013587] Code: Bad RIP value.
[  429.016950] RSP: 002b:000000c420024e48 EFLAGS: 00010206
[  429.022328] RAX: 000000c422dd4cc0 RBX: 000000c42875f801 RCX: 000000c424d31838
[  429.029594] RDX: 000000c422dd4cc0 RSI: 0000000000000001 RDI: 0000000000000001
[  429.036882] RBP: 000000c420024ed8 R08: 00007ffd3a9b40b0 R09: 00007ffd3a9b4080
[  429.044150] R10: 000000000000eacc R11: 0000000000000165 R12: 0000000000000001
[  429.051418] R13: 000000c4271c3620 R14: 0000000000000001 R15: 0000000000000000
[  429.058720] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #83
[  429.058876] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  429.065495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  429.075704] syz-fuzzer cpuset=/ mems_allowed=0
[  429.085045] Call Trace:
[  429.092201]  dump_stack+0x244/0x39d
[  429.095837]  ? dump_stack_print_info.cold.1+0x20/0x20
[  429.101048]  warn_alloc.cold.116+0xb7/0x1bd
[  429.105374]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  429.110222]  ? lock_downgrade+0x900/0x900
[  429.114399]  ? trace_hardirqs_off+0xb8/0x310
[  429.118821]  ? trace_hardirqs_off+0xb8/0x310
[  429.123245]  __alloc_pages_slowpath+0x26e8/0x2e10
[  429.128119]  ? warn_alloc+0x120/0x120
[  429.131927]  ? warn_alloc+0x120/0x120
[  429.135732]  ? warn_alloc+0x120/0x120
[  429.139546]  ? print_usage_bug+0xc0/0xc0
[  429.143615]  ? print_usage_bug+0xc0/0xc0
[  429.147677]  ? mark_held_locks+0x130/0x130
[  429.151915]  ? mark_held_locks+0x130/0x130
[  429.156161]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  429.161700]  ? should_fail+0x22d/0xd01
[  429.165587]  ? zap_class+0x640/0x640
[  429.169309]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  429.174414]  ? __lock_acquire+0x62f/0x4c20
[  429.178654]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  429.183773]  ? __lock_acquire+0x62f/0x4c20
[  429.188008]  ? should_fail+0x22d/0xd01
[  429.191907]  ? mark_held_locks+0x130/0x130
[  429.196154]  ? mark_held_locks+0x130/0x130
[  429.200386]  ? lock_downgrade+0x900/0x900
[  429.204540]  ? zap_class+0x640/0x640
[  429.208254]  ? zap_class+0x640/0x640
[  429.211969]  ? zap_class+0x640/0x640
[  429.215686]  ? do_raw_spin_unlock+0xa7/0x330
[  429.220095]  ? trace_hardirqs_on+0x310/0x310
[  429.224507]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.230054]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.235591]  ? check_preemption_disabled+0x48/0x280
[  429.240621]  ? __lock_is_held+0xb5/0x140
[  429.244687]  __alloc_pages_nodemask+0xa80/0xde0
[  429.249356]  ? zap_class+0x640/0x640
[  429.253079]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  429.258126]  ? find_held_lock+0x36/0x1c0
[  429.262201]  ? ____cache_alloc_node+0x1c7/0x1e0
[  429.266870]  ? lock_downgrade+0x900/0x900
[  429.271042]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.276595]  cache_grow_begin+0xa5/0x8c0
[  429.280672]  ? do_raw_spin_unlock+0xa7/0x330
[  429.285099]  fallback_alloc+0x204/0x2e0
[  429.289107]  ____cache_alloc_node+0x1c7/0x1e0
[  429.293612]  kmem_cache_alloc_node+0xe3/0x730
[  429.298123]  ? lockdep_hardirqs_on+0x296/0x5b0
[  429.302715]  __alloc_skb+0x119/0x770
[  429.306428]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  429.311813]  ? netdev_alloc_frag+0x1f0/0x1f0
[  429.316230]  ? vprintk_default+0x28/0x30
[  429.320296]  ? vprintk_func+0x85/0x181
[  429.324186]  ? printk+0xa7/0xcf
[  429.327466]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  429.332227]  ? do_raw_spin_trylock+0x270/0x270
[  429.336831]  new_skb+0x26/0x1c0
[  429.340127]  aoecmd_cfg+0x279/0x7f0
[  429.343777]  ? find_held_lock+0x36/0x1c0
[  429.347868]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  429.352202]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.357750]  ? __lock_is_held+0xb5/0x140
[  429.361831]  discover_timer+0x50/0x60
[  429.365707]  call_timer_fn+0x272/0x920
[  429.369595]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  429.374439]  ? process_timeout+0x40/0x40
[  429.378544]  ? __run_timers+0x7da/0xc70
[  429.382546]  ? _raw_spin_unlock_irq+0x27/0x80
[  429.387058]  ? _raw_spin_unlock_irq+0x27/0x80
[  429.391573]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  429.396419]  ? lockdep_hardirqs_on+0x296/0x5b0
[  429.401004]  ? trace_hardirqs_on+0xbd/0x310
[  429.405327]  ? kasan_check_read+0x11/0x20
[  429.409491]  ? __run_timers+0x7da/0xc70
[  429.413468]  ? trace_hardirqs_off_caller+0x310/0x310
[  429.418599]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  429.423442]  __run_timers+0x7e5/0xc70
[  429.427255]  ? timer_fixup_init+0x70/0x70
[  429.431404]  ? _raw_spin_unlock_irq+0x27/0x80
[  429.435900]  ? _raw_spin_unlock_irq+0x27/0x80
[  429.440413]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  429.444998]  ? trace_hardirqs_on+0xbd/0x310
[  429.449322]  ? kasan_check_read+0x11/0x20
[  429.453475]  ? finish_task_switch+0x1f4/0x910
[  429.457982]  ? trace_hardirqs_off_caller+0x310/0x310
[  429.463100]  ? compat_start_thread+0x80/0x80
[  429.467553]  ? pvclock_read_flags+0x160/0x160
[  429.472078]  ? __switch_to_asm+0x34/0x70
[  429.476147]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.481686]  ? check_preemption_disabled+0x48/0x280
[  429.486717]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  429.492256]  ? rcu_pm_notify+0xc0/0xc0
[  429.496162]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.501708]  ? check_preemption_disabled+0x48/0x280
[  429.506734]  run_timer_softirq+0x52/0xb0
[  429.510806]  ? rcu_read_lock_sched_held+0x14f/0x180
[  429.515825]  __do_softirq+0x308/0xb7e
[  429.519652]  ? trace_hardirqs_on_caller+0xc0/0x310
[  429.524601]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  429.529705]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  429.535164]  ? schedule+0x108/0x460
[  429.538807]  ? trace_hardirqs_off+0xb8/0x310
[  429.543235]  ? smpboot_thread_fn+0x68b/0xa00
[  429.547678]  ? trace_hardirqs_on+0x310/0x310
[  429.552089]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  429.557630]  ? check_preemption_disabled+0x48/0x280
[  429.562649]  ? takeover_tasklets+0xa90/0xa90
[  429.567061]  run_ksoftirqd+0x5e/0x100
[  429.570878]  smpboot_thread_fn+0x68b/0xa00
[  429.575119]  ? sort_range+0x30/0x30
[  429.578765]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  429.583891]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  429.589432]  ? __kthread_parkme+0xfb/0x1a0
[  429.593669]  ? sort_range+0x30/0x30
[  429.597297]  kthread+0x35a/0x440
[  429.600668]  ? kthread_stop+0x900/0x900
[  429.604646]  ret_from_fork+0x3a/0x50
[  429.608372] warn_alloc_show_mem: 1 callbacks suppressed
[  429.608384] CPU: 1 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  429.608385] Mem-Info:
[  429.608432] active_anon:44321 inactive_anon:2061 isolated_anon:0
[  429.608432]  active_file:14 inactive_file:14 isolated_file:0
[  429.608432]  unevictable:0 dirty:0 writeback:0 unstable:0
[  429.608432]  slab_reclaimable:9437 slab_unreclaimable:1460937
[  429.608432]  mapped:49154 shmem:2105 pagetables:642 bounce:0
[  429.608432]  free:13638 free_pcp:328 free_cma:0
[  429.613771] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  429.620708] Node 0 active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8420kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  429.623109] Call Trace:
[  429.656157] 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
[  429.665505]  <IRQ>
[  429.693085] lowmem_reserve[]: 0 2818 6321 6321
[  429.695669]  dump_stack+0x244/0x39d
[  429.721748] Node 0 DMA32 free:24708kB 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
[  429.723903]  ? dump_stack_print_info.cold.1+0x20/0x20
[  429.728456] lowmem_reserve[]: 0 0 3503 3503
[  429.732084]  warn_alloc.cold.116+0xb7/0x1bd
[  429.759554] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2568kB bounce:0kB free_pcp:1064kB local_pcp:692kB free_cma:0kB
[  429.764735]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  429.769029] lowmem_reserve[]: 0 0 0 0
[  429.773340]  ? lock_downgrade+0x900/0x900
[  429.802368] 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
[  429.807215]  ? trace_hardirqs_off+0xb8/0x310
[  429.810998] Node 0 DMA32: 5*4kB (UM) 2*8kB (MH) 2*16kB (MH) 4*32kB (MH) 3*64kB (M) 2*128kB (M) 4*256kB (UMH) 3*512kB (UM) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24708kB
[  429.815136]  ? trace_hardirqs_off+0xb8/0x310
[  429.828627] Node 0 Normal: 930*4kB (MEH) 535*8kB (UMEH) 215*16kB (UME) 80*32kB (UMH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  429.833044]  __alloc_pages_slowpath+0x26e8/0x2e10
[  429.848542] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  429.852950]  ? warn_alloc+0x120/0x120
[  429.866706] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  429.871543]  ? warn_alloc+0x120/0x120
[  429.880348] 2133 total pagecache pages
[  429.884137]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  429.892687] 0 pages in swap cache
[  429.896484]  ? warn_alloc+0x120/0x120
[  429.900353] Swap cache stats: add 0, delete 0, find 0/0
[  429.905356]  ? print_usage_bug+0xc0/0xc0
[  429.908781] Free swap  = 0kB
[  429.912574]  ? print_usage_bug+0xc0/0xc0
[  429.917940] Total swap = 0kB
[  429.922009]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  429.925029] 1965979 pages RAM
[  429.929087]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  429.932078] 0 pages HighMem/MovableOnly
[  429.937279]  ? should_fail+0x22d/0xd01
[  429.940350] 342853 pages reserved
[  429.940358] 0 pages cma reserved
[  429.945883]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  429.949939] aoe: skb alloc failure
[  429.953736]  ? __lock_acquire+0x62f/0x4c20
[  429.953753]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  429.953768]  ? should_fail+0x22d/0xd01
[  429.957252] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  429.960584]  ? mark_held_locks+0x130/0x130
[  429.965673] ksoftirqd/0 cpuset=/ mems_allowed=0
[  429.969203]  ? mark_held_locks+0x130/0x130
[  430.005778]  ? print_usage_bug+0xc0/0xc0
[  430.009835]  ? find_held_lock+0x36/0x1c0
[  430.013923]  ? zap_class+0x640/0x640
[  430.017687]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.023273]  ? check_preemption_disabled+0x48/0x280
[  430.028316]  ? __lock_is_held+0xb5/0x140
[  430.032382]  __alloc_pages_nodemask+0xa80/0xde0
[  430.037044]  ? zap_class+0x640/0x640
[  430.040754]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  430.045771]  ? find_held_lock+0x36/0x1c0
[  430.049837]  ? ____cache_alloc_node+0x1c7/0x1e0
[  430.054498]  ? lock_downgrade+0x900/0x900
[  430.058645]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.064181]  cache_grow_begin+0xa5/0x8c0
[  430.068249]  ? do_raw_spin_unlock+0xa7/0x330
[  430.072659]  fallback_alloc+0x204/0x2e0
[  430.076632]  ____cache_alloc_node+0x1c7/0x1e0
[  430.081132]  kmem_cache_alloc_node+0xe3/0x730
[  430.085622]  ? mark_held_locks+0xc7/0x130
[  430.089790]  __alloc_skb+0x119/0x770
[  430.093539]  ? netdev_alloc_frag+0x1f0/0x1f0
[  430.097988]  ? do_raw_spin_trylock+0x270/0x270
[  430.102606]  ? kmem_cache_alloc_trace+0x353/0x750
[  430.107464]  ? queue_work_on+0x12c/0x1e0
[  430.111527]  ? switchdev_port_obj_del+0xdc/0x440
[  430.116289]  ? switchdev_trans_item_enqueue+0x260/0x260
[  430.121660]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  430.126679]  __br_mdb_notify+0x4ff/0x15d0
[  430.130824]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  430.135950]  ? __br_mdb_add+0x7f0/0x7f0
[  430.139942]  ? mark_held_locks+0x130/0x130
[  430.144183]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  430.149295]  ? debug_object_assert_init+0x368/0x4b0
[  430.154330]  ? debug_object_init_on_stack+0x20/0x20
[  430.159347]  ? zap_class+0x640/0x640
[  430.163065]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.168607]  br_mdb_notify+0x310/0x410
[  430.172494]  ? br_mdb_dump+0x27b0/0x27b0
[  430.176576]  br_multicast_del_pg+0x3df/0x790
[  430.180991]  ? br_mdb_ip_get+0x940/0x940
[  430.185077]  ? rwlock_bug.part.2+0x90/0x90
[  430.189339]  ? __lock_is_held+0xb5/0x140
[  430.193416]  br_multicast_port_group_expired+0x189/0x1e0
[  430.198867]  call_timer_fn+0x272/0x920
[  430.202752]  ? br_multicast_del_pg+0x790/0x790
[  430.207346]  ? process_timeout+0x40/0x40
[  430.211434]  ? mark_held_locks+0xc7/0x130
[  430.215589]  ? _raw_spin_unlock_irq+0x27/0x80
[  430.220089]  ? _raw_spin_unlock_irq+0x27/0x80
[  430.224597]  ? br_multicast_del_pg+0x790/0x790
[  430.229185]  ? lockdep_hardirqs_on+0x296/0x5b0
[  430.233767]  ? trace_hardirqs_on+0xbd/0x310
[  430.238088]  ? kasan_check_read+0x11/0x20
[  430.242238]  ? __run_timers+0x7da/0xc70
[  430.246226]  ? trace_hardirqs_off_caller+0x310/0x310
[  430.251351]  ? br_multicast_del_pg+0x790/0x790
[  430.255942]  ? br_multicast_del_pg+0x790/0x790
[  430.260520]  __run_timers+0x7e5/0xc70
[  430.264342]  ? timer_fixup_init+0x70/0x70
[  430.268502]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  430.273536]  ? zap_class+0x640/0x640
[  430.277257]  ? print_usage_bug+0xc0/0xc0
[  430.281364]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  430.286564]  ? find_held_lock+0x36/0x1c0
[  430.290631]  ? zap_class+0x640/0x640
[  430.294349]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.299887]  ? check_preemption_disabled+0x48/0x280
[  430.304913]  ? __lock_is_held+0xb5/0x140
[  430.308974]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.314514]  ? check_preemption_disabled+0x48/0x280
[  430.319564]  run_timer_softirq+0x52/0xb0
[  430.323630]  ? rcu_read_lock_sched_held+0x14f/0x180
[  430.328649]  __do_softirq+0x308/0xb7e
[  430.332458]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  430.336970]  ? lock_downgrade+0x900/0x900
[  430.341125]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  430.346250]  ? pvclock_read_flags+0x160/0x160
[  430.350766]  ? lapic_next_event+0x5a/0x90
[  430.354939]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.360484]  ? kvm_clock_read+0x18/0x30
[  430.364457]  ? kvm_sched_clock_read+0x9/0x20
[  430.368865]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.374403]  ? check_preemption_disabled+0x48/0x280
[  430.379427]  irq_exit+0x17f/0x1c0
[  430.382886]  smp_apic_timer_interrupt+0x1cb/0x760
[  430.387730]  ? smp_reschedule_interrupt+0x109/0x650
[  430.392750]  ? smp_call_function_single_interrupt+0x650/0x650
[  430.398653]  ? interrupt_entry+0xb5/0xc0
[  430.402819]  ? trace_hardirqs_off_caller+0xbb/0x310
[  430.407835]  ? trace_hardirqs_off_caller+0xbb/0x310
[  430.412853]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  430.417699]  ? trace_hardirqs_on_caller+0x310/0x310
[  430.422713]  ? trace_hardirqs_on_caller+0x310/0x310
[  430.427732]  ? task_prio+0x50/0x50
[  430.431295]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.436837]  ? check_preemption_disabled+0x48/0x280
[  430.441863]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  430.446709]  apic_timer_interrupt+0xf/0x20
[  430.450933]  </IRQ>
[  430.453205] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  430.458405] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec
[  430.477318] RSP: 0018:ffff8801c2d36100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  430.485022] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100385b2de6
[  430.492289] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c2d96ebc
[  430.499578] RBP: ffff8801c2d36128 R08: ffff8801c2d96f30 R09: 0000000000000006
[  430.506858] R10: 0000000000000000 R11: ffff8801c2d96640 R12: dffffc0000000000
[  430.514138] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  430.521431]  retint_kernel+0x1b/0x2d
[  430.525176] RIP: 0010:dump_stack+0x358/0x39d
[  430.529593] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  430.548488] RSP: 0018:ffff8801c2d361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  430.556208] RAX: ffff8801c2d96640 RBX: 1ffffffff12a3f76 RCX: 1ffff100385b2de6
[  430.563473] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  430.570737] RBP: ffff8801c2d36290 R08: ffff8801c2d96f30 R09: 0000000000000006
[  430.578086] R10: 0000000000000000 R11: ffff8801c2d96640 R12: 1ffff100385a6c45
[  430.585433] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  430.592732]  ? dump_stack+0x34f/0x39d
[  430.596567]  ? dump_stack_print_info.cold.1+0x20/0x20
[  430.601773]  ? mark_held_locks+0x130/0x130
[  430.606006]  ? mark_held_locks+0x130/0x130
[  430.610243]  dump_header+0x27b/0xf72
[  430.613967]  ? pagefault_out_of_memory+0x197/0x197
[  430.618901]  ? __lock_acquire+0x62f/0x4c20
[  430.623305]  ? percpu_ref_get_many+0x240/0x240
[  430.627903]  ? print_usage_bug+0xc0/0xc0
[  430.631970]  ? zap_class+0x640/0x640
[  430.635684]  ? print_usage_bug+0xc0/0xc0
[  430.639745]  ? print_usage_bug+0xc0/0xc0
[  430.643808]  ? zap_class+0x640/0x640
[  430.647551]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.653097]  ? find_held_lock+0x36/0x1c0
[  430.657199]  ? mark_held_locks+0xc7/0x130
[  430.661352]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  430.666454]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  430.671567]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  430.676152]  ? trace_hardirqs_on+0xbd/0x310
[  430.680480]  ? kasan_check_read+0x11/0x20
[  430.684655]  ? ___ratelimit+0x3b4/0x672
[  430.688634]  ? trace_hardirqs_off_caller+0x310/0x310
[  430.693741]  ? trace_hardirqs_on+0x310/0x310
[  430.698151]  ? lock_downgrade+0x900/0x900
[  430.702329]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  430.707434]  ? ___ratelimit+0x3b9/0x672
[  430.711412]  ? idr_get_free+0xf70/0xf70
[  430.715390]  ? find_held_lock+0x36/0x1c0
[  430.719461]  oom_kill_process.cold.27+0x10/0x903
[  430.724218]  ? zap_class+0x640/0x640
[  430.727933]  ? check_preemption_disabled+0x48/0x280
[  430.732954]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  430.737885]  ? kasan_check_read+0x11/0x20
[  430.742032]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  430.747316]  ? oom_evaluate_task+0x540/0x540
[  430.752258]  ? find_held_lock+0x36/0x1c0
[  430.756352]  ? out_of_memory+0x974/0x1430
[  430.760516]  ? lock_downgrade+0x900/0x900
[  430.764674]  ? check_preemption_disabled+0x48/0x280
[  430.769694]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  430.774627]  ? kasan_check_read+0x11/0x20
[  430.778792]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  430.784067]  ? rcu_softirq_qs+0x20/0x20
[  430.788047]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  430.793582]  ? oom_evaluate_task+0x302/0x540
[  430.797998]  out_of_memory+0xa84/0x1430
[  430.801982]  ? oom_killer_disable+0x3a0/0x3a0
[  430.806489]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  430.811422]  ? __ww_mutex_check_waiters+0x160/0x160
[  430.816449]  __alloc_pages_slowpath+0x2354/0x2e10
[  430.821327]  ? warn_alloc+0x120/0x120
[  430.825143]  ? mark_held_locks+0x130/0x130
[  430.829398]  ? find_get_entry+0xaae/0x1120
[  430.833660]  ? filemap_map_pages+0x1a20/0x1a20
[  430.838252]  ? zap_class+0x640/0x640
[  430.842005]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.847549]  ? check_preemption_disabled+0x48/0x280
[  430.852564]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  430.858095]  ? should_fail+0x22d/0xd01
[  430.861981]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  430.867093]  ? zap_class+0x640/0x640
[  430.870840]  ? __lock_is_held+0xb5/0x140
[  430.874934]  ? mark_held_locks+0x130/0x130
[  430.879196]  ? lock_release+0xa00/0xa00
[  430.883213]  ? perf_trace_sched_process_exec+0x860/0x860
[  430.888668]  ? xa_load+0x2ba/0x460
[  430.892209]  ? lock_downgrade+0x900/0x900
[  430.896373]  ? __might_sleep+0x95/0x190
[  430.900370]  __alloc_pages_nodemask+0xa80/0xde0
[  430.905046]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  430.910063]  ? __page_cache_alloc+0x191/0x5c0
[  430.914613]  ? xa_load+0x2e1/0x460
[  430.918166]  ? xa_clear_mark+0x40/0x40
[  430.922068]  ? zap_class+0x640/0x640
[  430.925815]  ? zap_class+0x640/0x640
[  430.929536]  ? zap_class+0x640/0x640
[  430.933249]  ? __do_page_cache_readahead+0x663/0x810
[  430.938376]  ? find_held_lock+0x36/0x1c0
[  430.942442]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  430.947988]  alloc_pages_current+0x173/0x350
[  430.952409]  __page_cache_alloc+0x38c/0x5c0
[  430.956730]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  430.961662]  ? kasan_check_read+0x11/0x20
[  430.965808]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  430.971103]  ? generic_perform_write+0x6a0/0x6a0
[  430.975858]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  430.981401]  ? check_preemption_disabled+0x48/0x280
[  430.986425]  filemap_fault+0x1595/0x25f0
[  430.990500]  ? __lock_page_or_retry+0xa00/0xa00
[  430.995181]  ? mark_held_locks+0x130/0x130
[  430.999424]  ? filemap_map_pages+0xd6b/0x1a20
[  431.003920]  ? lock_downgrade+0x900/0x900
[  431.008071]  ? check_preemption_disabled+0x48/0x280
[  431.013123]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  431.018066]  ? kasan_check_read+0x11/0x20
[  431.022215]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  431.027489]  ? rcu_softirq_qs+0x20/0x20
[  431.031479]  ? filemap_map_pages+0xd92/0x1a20
[  431.035987]  ? find_get_entries_tag+0x1400/0x1400
[  431.040841]  ? find_held_lock+0x36/0x1c0
[  431.044931]  ? lock_acquire+0x1ed/0x520
[  431.048904]  ? ext4_filemap_fault+0x7a/0xad
[  431.053227]  ? lock_release+0xa00/0xa00
[  431.057212]  ? perf_trace_sched_process_exec+0x860/0x860
[  431.062655]  ? print_usage_bug+0xc0/0xc0
[  431.066729]  ? down_read+0x8d/0x120
[  431.070347]  ? ext4_filemap_fault+0x7a/0xad
[  431.074666]  ? __down_interruptible+0x700/0x700
[  431.079350]  ? find_held_lock+0x36/0x1c0
[  431.083415]  ext4_filemap_fault+0x82/0xad
[  431.087565]  __do_fault+0x100/0x6b0
[  431.091192]  ? lock_downgrade+0x900/0x900
[  431.095334]  ? pmd_devmap_trans_unstable+0x220/0x220
[  431.100446]  ? kasan_check_read+0x11/0x20
[  431.104596]  ? do_raw_spin_unlock+0xa7/0x330
[  431.109028]  ? do_raw_spin_trylock+0x270/0x270
[  431.113645]  __handle_mm_fault+0x3ea0/0x5be0
[  431.118044]  ? perf_trace_lock+0x7a0/0x7a0
[  431.122299]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  431.127164]  ? zap_class+0x640/0x640
[  431.130866]  ? zap_class+0x640/0x640
[  431.134593]  ? __x64_sys_futex+0x53e/0x6a0
[  431.138830]  ? find_held_lock+0x36/0x1c0
[  431.142892]  ? handle_mm_fault+0x42a/0xc70
[  431.147124]  ? lock_downgrade+0x900/0x900
[  431.151280]  ? check_preemption_disabled+0x48/0x280
[  431.156298]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  431.161222]  ? kasan_check_read+0x11/0x20
[  431.165379]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  431.170645]  ? rcu_softirq_qs+0x20/0x20
[  431.174611]  ? trace_hardirqs_off_caller+0x310/0x310
[  431.179707]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  431.185259]  ? check_preemption_disabled+0x48/0x280
[  431.190326]  handle_mm_fault+0x54f/0xc70
[  431.194399]  ? __handle_mm_fault+0x5be0/0x5be0
[  431.199014]  ? find_vma+0x34/0x190
[  431.202588]  __do_page_fault+0x5e8/0xe60
[  431.206658]  ? trace_hardirqs_off+0xb8/0x310
[  431.211057]  ? kernel_write+0x120/0x120
[  431.215083]  do_page_fault+0xf2/0x7e0
[  431.218915]  ? vmalloc_sync_all+0x30/0x30
[  431.223103]  ? error_entry+0x70/0xd0
[  431.226813]  ? trace_hardirqs_off_caller+0xbb/0x310
[  431.231824]  ? trace_hardirqs_on_caller+0xc0/0x310
[  431.236762]  ? syscall_return_slowpath+0x5e0/0x5e0
[  431.241703]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  431.246551]  ? trace_hardirqs_on_caller+0x310/0x310
[  431.251567]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  431.257021]  ? prepare_exit_to_usermode+0x291/0x3b0
[  431.262051]  ? page_fault+0x8/0x30
[  431.265619]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  431.270475]  ? page_fault+0x8/0x30
[  431.274043]  page_fault+0x1e/0x30
[  431.277490] RIP: 0033:0x404068
[  431.280720] Code: Bad RIP value.
[  431.284079] RSP: 002b:000000c420024e48 EFLAGS: 00010206
[  431.289433] RAX: 000000c422dd4cc0 RBX: 000000c42875f801 RCX: 000000c424d31838
[  431.296711] RDX: 000000c422dd4cc0 RSI: 0000000000000001 RDI: 0000000000000001
[  431.303984] RBP: 000000c420024ed8 R08: 00007ffd3a9b40b0 R09: 00007ffd3a9b4080
[  431.311241] R10: 000000000000eacc R11: 0000000000000165 R12: 0000000000000001
[  431.318515] R13: 000000c4271c3620 R14: 0000000000000001 R15: 0000000000000000
[  431.325847] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #83
[  431.326046] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  431.332681] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  431.342884] syz-fuzzer cpuset=/ mems_allowed=0
[  431.352221] Call Trace:
[  431.359392]  dump_stack+0x244/0x39d
[  431.363033]  ? dump_stack_print_info.cold.1+0x20/0x20
[  431.368259]  warn_alloc.cold.116+0xb7/0x1bd
[  431.372585]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  431.377426]  ? lock_downgrade+0x900/0x900
[  431.381614]  ? trace_hardirqs_off+0xb8/0x310
[  431.386055]  ? trace_hardirqs_off+0xb8/0x310
[  431.390459]  __alloc_pages_slowpath+0x26e8/0x2e10
[  431.395316]  ? warn_alloc+0x120/0x120
[  431.399114]  ? warn_alloc+0x120/0x120
[  431.402924]  ? warn_alloc+0x120/0x120
[  431.406717]  ? print_usage_bug+0xc0/0xc0
[  431.410770]  ? print_usage_bug+0xc0/0xc0
[  431.414829]  ? mark_held_locks+0x130/0x130
[  431.419069]  ? mark_held_locks+0x130/0x130
[  431.423293]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  431.428856]  ? should_fail+0x22d/0xd01
[  431.432742]  ? zap_class+0x640/0x640
[  431.436448]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  431.441566]  ? __lock_acquire+0x62f/0x4c20
[  431.445810]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  431.450901]  ? __lock_acquire+0x62f/0x4c20
[  431.455158]  ? should_fail+0x22d/0xd01
[  431.459094]  ? mark_held_locks+0x130/0x130
[  431.463339]  ? mark_held_locks+0x130/0x130
[  431.467569]  ? lock_downgrade+0x900/0x900
[  431.471711]  ? zap_class+0x640/0x640
[  431.475421]  ? zap_class+0x640/0x640
[  431.479163]  ? zap_class+0x640/0x640
[  431.482865]  ? do_raw_spin_unlock+0xa7/0x330
[  431.487266]  ? trace_hardirqs_on+0x310/0x310
[  431.491665]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.497193]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.502724]  ? check_preemption_disabled+0x48/0x280
[  431.507737]  ? __lock_is_held+0xb5/0x140
[  431.511796]  __alloc_pages_nodemask+0xa80/0xde0
[  431.516468]  ? zap_class+0x640/0x640
[  431.520176]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  431.525212]  ? find_held_lock+0x36/0x1c0
[  431.529334]  ? ____cache_alloc_node+0x1c7/0x1e0
[  431.533997]  ? lock_downgrade+0x900/0x900
[  431.538144]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.543705]  cache_grow_begin+0xa5/0x8c0
[  431.547763]  ? do_raw_spin_unlock+0xa7/0x330
[  431.552207]  fallback_alloc+0x204/0x2e0
[  431.556188]  ____cache_alloc_node+0x1c7/0x1e0
[  431.560690]  kmem_cache_alloc_node+0xe3/0x730
[  431.565190]  ? lockdep_hardirqs_on+0x296/0x5b0
[  431.569823]  __alloc_skb+0x119/0x770
[  431.573548]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  431.578920]  ? netdev_alloc_frag+0x1f0/0x1f0
[  431.583338]  ? vprintk_default+0x28/0x30
[  431.587399]  ? vprintk_func+0x85/0x181
[  431.591316]  ? printk+0xa7/0xcf
[  431.594596]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  431.599373]  ? do_raw_spin_trylock+0x270/0x270
[  431.603962]  new_skb+0x26/0x1c0
[  431.607247]  aoecmd_cfg+0x279/0x7f0
[  431.610895]  ? find_held_lock+0x36/0x1c0
[  431.614966]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  431.619307]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.624874]  ? __lock_is_held+0xb5/0x140
[  431.628947]  discover_timer+0x50/0x60
[  431.632753]  call_timer_fn+0x272/0x920
[  431.636644]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  431.641508]  ? process_timeout+0x40/0x40
[  431.645607]  ? __run_timers+0x7da/0xc70
[  431.649588]  ? _raw_spin_unlock_irq+0x27/0x80
[  431.654103]  ? _raw_spin_unlock_irq+0x27/0x80
[  431.658606]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  431.663444]  ? lockdep_hardirqs_on+0x296/0x5b0
[  431.668039]  ? trace_hardirqs_on+0xbd/0x310
[  431.672357]  ? kasan_check_read+0x11/0x20
[  431.676499]  ? __run_timers+0x7da/0xc70
[  431.680471]  ? trace_hardirqs_off_caller+0x310/0x310
[  431.685584]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  431.690421]  __run_timers+0x7e5/0xc70
[  431.694228]  ? timer_fixup_init+0x70/0x70
[  431.698376]  ? _raw_spin_unlock_irq+0x27/0x80
[  431.702863]  ? _raw_spin_unlock_irq+0x27/0x80
[  431.707374]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  431.711963]  ? trace_hardirqs_on+0xbd/0x310
[  431.716275]  ? kasan_check_read+0x11/0x20
[  431.720417]  ? finish_task_switch+0x1f4/0x910
[  431.724903]  ? trace_hardirqs_off_caller+0x310/0x310
[  431.730000]  ? compat_start_thread+0x80/0x80
[  431.734453]  ? pvclock_read_flags+0x160/0x160
[  431.738935]  ? __switch_to_asm+0x34/0x70
[  431.742990]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.748517]  ? check_preemption_disabled+0x48/0x280
[  431.753588]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  431.759124]  ? rcu_pm_notify+0xc0/0xc0
[  431.763025]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.768561]  ? check_preemption_disabled+0x48/0x280
[  431.773573]  run_timer_softirq+0x52/0xb0
[  431.777640]  ? rcu_read_lock_sched_held+0x14f/0x180
[  431.782660]  __do_softirq+0x308/0xb7e
[  431.786459]  ? trace_hardirqs_on_caller+0xc0/0x310
[  431.791443]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  431.796570]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  431.802031]  ? schedule+0x108/0x460
[  431.805666]  ? trace_hardirqs_off+0xb8/0x310
[  431.810070]  ? smpboot_thread_fn+0x68b/0xa00
[  431.814475]  ? trace_hardirqs_on+0x310/0x310
[  431.818883]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  431.824431]  ? check_preemption_disabled+0x48/0x280
[  431.829455]  ? takeover_tasklets+0xa90/0xa90
[  431.833864]  run_ksoftirqd+0x5e/0x100
[  431.837668]  smpboot_thread_fn+0x68b/0xa00
[  431.841947]  ? sort_range+0x30/0x30
[  431.845576]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  431.850670]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  431.856233]  ? __kthread_parkme+0xfb/0x1a0
[  431.860476]  ? sort_range+0x30/0x30
[  431.864105]  kthread+0x35a/0x440
[  431.867482]  ? kthread_stop+0x900/0x900
[  431.871449]  ret_from_fork+0x3a/0x50
[  431.875188] warn_alloc_show_mem: 1 callbacks suppressed
[  431.875197] CPU: 1 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  431.875198] Mem-Info:
[  431.875225] active_anon:44321 inactive_anon:2061 isolated_anon:0
[  431.875225]  active_file:14 inactive_file:14 isolated_file:0
[  431.875225]  unevictable:0 dirty:0 writeback:0 unstable:0
[  431.875225]  slab_reclaimable:9437 slab_unreclaimable:1460937
[  431.875225]  mapped:49154 shmem:2105 pagetables:642 bounce:0
[  431.875225]  free:13638 free_pcp:328 free_cma:0
[  431.880592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  431.887665] Node 0 active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8420kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  431.890121] Call Trace:
[  431.923174] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  431.932512]  <IRQ>
[  431.960077] lowmem_reserve[]: 0 2818 6321 6321
[  431.962650]  dump_stack+0x244/0x39d
[  431.988729] Node 0 DMA32 free:24708kB 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
[  431.990883]  ? dump_stack_print_info.cold.1+0x20/0x20
[  431.995448] lowmem_reserve[]: 0 0 3503 3503
[  431.999096]  warn_alloc.cold.116+0xb7/0x1bd
[  432.026586] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2568kB bounce:0kB free_pcp:1064kB local_pcp:692kB free_cma:0kB
[  432.031760]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  432.036050] lowmem_reserve[]: 0 0 0 0
[  432.040366]  ? lock_downgrade+0x900/0x900
[  432.069395] 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
[  432.074223]  ? trace_hardirqs_off+0xb8/0x310
[  432.077991] Node 0 DMA32: 5*4kB (UM) 2*8kB (MH) 2*16kB (MH) 4*32kB (MH) 3*64kB (M) 2*128kB (M) 4*256kB (UMH) 3*512kB (UM) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24708kB
[  432.082124]  ? trace_hardirqs_off+0xb8/0x310
[  432.095614] Node 0 Normal: 930*4kB (MEH) 535*8kB (UMEH) 215*16kB (UME) 80*32kB (UMH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  432.100012]  __alloc_pages_slowpath+0x26e8/0x2e10
[  432.115541] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  432.119944]  ? warn_alloc+0x120/0x120
[  432.133686] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  432.138521]  ? warn_alloc+0x120/0x120
[  432.147333] 2133 total pagecache pages
[  432.151155]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  432.159706] 0 pages in swap cache
[  432.163493]  ? warn_alloc+0x120/0x120
[  432.167357] Swap cache stats: add 0, delete 0, find 0/0
[  432.172361]  ? print_usage_bug+0xc0/0xc0
[  432.175807] Free swap  = 0kB
[  432.179600]  ? print_usage_bug+0xc0/0xc0
[  432.184937] Total swap = 0kB
[  432.188994]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  432.191992] 1965979 pages RAM
[  432.196062]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  432.199055] 0 pages HighMem/MovableOnly
[  432.204252]  ? should_fail+0x22d/0xd01
[  432.207330] 342853 pages reserved
[  432.212875]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  432.216821] 0 pages cma reserved
[  432.220701]  ? __lock_acquire+0x62f/0x4c20
[  432.224195] aoe: skb alloc failure
[  432.229225]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  432.232627] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  432.236797]  ? should_fail+0x22d/0xd01
[  432.240322] ksoftirqd/0 cpuset=/ mems_allowed=0
[  432.245426]  ? mark_held_locks+0x130/0x130
[  432.268481]  ? mark_held_locks+0x130/0x130
[  432.272713]  ? print_usage_bug+0xc0/0xc0
[  432.276782]  ? find_held_lock+0x36/0x1c0
[  432.280848]  ? zap_class+0x640/0x640
[  432.284585]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.290125]  ? check_preemption_disabled+0x48/0x280
[  432.295181]  ? __lock_is_held+0xb5/0x140
[  432.299248]  __alloc_pages_nodemask+0xa80/0xde0
[  432.303917]  ? zap_class+0x640/0x640
[  432.307638]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  432.312671]  ? find_held_lock+0x36/0x1c0
[  432.316757]  ? ____cache_alloc_node+0x1c7/0x1e0
[  432.321431]  ? lock_downgrade+0x900/0x900
[  432.325593]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.331145]  cache_grow_begin+0xa5/0x8c0
[  432.335218]  ? do_raw_spin_unlock+0xa7/0x330
[  432.339646]  fallback_alloc+0x204/0x2e0
[  432.343629]  ____cache_alloc_node+0x1c7/0x1e0
[  432.348127]  kmem_cache_alloc_node+0xe3/0x730
[  432.352622]  ? mark_held_locks+0xc7/0x130
[  432.356776]  __alloc_skb+0x119/0x770
[  432.360497]  ? netdev_alloc_frag+0x1f0/0x1f0
[  432.364909]  ? do_raw_spin_trylock+0x270/0x270
[  432.369490]  ? kmem_cache_alloc_trace+0x353/0x750
[  432.374362]  ? queue_work_on+0x12c/0x1e0
[  432.378450]  ? switchdev_port_obj_del+0xdc/0x440
[  432.383238]  ? switchdev_trans_item_enqueue+0x260/0x260
[  432.388605]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  432.393632]  __br_mdb_notify+0x4ff/0x15d0
[  432.397774]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  432.402894]  ? __br_mdb_add+0x7f0/0x7f0
[  432.406919]  ? mark_held_locks+0x130/0x130
[  432.411162]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  432.416279]  ? debug_object_assert_init+0x368/0x4b0
[  432.421302]  ? debug_object_init_on_stack+0x20/0x20
[  432.426340]  ? zap_class+0x640/0x640
[  432.430067]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.435621]  br_mdb_notify+0x310/0x410
[  432.439515]  ? br_mdb_dump+0x27b0/0x27b0
[  432.443596]  br_multicast_del_pg+0x3df/0x790
[  432.448007]  ? br_mdb_ip_get+0x940/0x940
[  432.452080]  ? rwlock_bug.part.2+0x90/0x90
[  432.456314]  ? __lock_is_held+0xb5/0x140
[  432.460377]  br_multicast_port_group_expired+0x189/0x1e0
[  432.465823]  call_timer_fn+0x272/0x920
[  432.469706]  ? br_multicast_del_pg+0x790/0x790
[  432.474283]  ? process_timeout+0x40/0x40
[  432.478370]  ? mark_held_locks+0xc7/0x130
[  432.482512]  ? _raw_spin_unlock_irq+0x27/0x80
[  432.487048]  ? _raw_spin_unlock_irq+0x27/0x80
[  432.491576]  ? br_multicast_del_pg+0x790/0x790
[  432.496157]  ? lockdep_hardirqs_on+0x296/0x5b0
[  432.500772]  ? trace_hardirqs_on+0xbd/0x310
[  432.505085]  ? kasan_check_read+0x11/0x20
[  432.509223]  ? __run_timers+0x7da/0xc70
[  432.513204]  ? trace_hardirqs_off_caller+0x310/0x310
[  432.518362]  ? br_multicast_del_pg+0x790/0x790
[  432.522943]  ? br_multicast_del_pg+0x790/0x790
[  432.527567]  __run_timers+0x7e5/0xc70
[  432.531385]  ? timer_fixup_init+0x70/0x70
[  432.535526]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  432.540551]  ? zap_class+0x640/0x640
[  432.544266]  ? print_usage_bug+0xc0/0xc0
[  432.548325]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  432.553512]  ? find_held_lock+0x36/0x1c0
[  432.557584]  ? zap_class+0x640/0x640
[  432.561301]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.566832]  ? check_preemption_disabled+0x48/0x280
[  432.571865]  ? __lock_is_held+0xb5/0x140
[  432.575922]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.581456]  ? check_preemption_disabled+0x48/0x280
[  432.586489]  run_timer_softirq+0x52/0xb0
[  432.590571]  ? rcu_read_lock_sched_held+0x14f/0x180
[  432.595586]  __do_softirq+0x308/0xb7e
[  432.599384]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  432.603873]  ? lock_downgrade+0x900/0x900
[  432.608017]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  432.613171]  ? pvclock_read_flags+0x160/0x160
[  432.617709]  ? lapic_next_event+0x5a/0x90
[  432.621976]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.627600]  ? kvm_clock_read+0x18/0x30
[  432.631572]  ? kvm_sched_clock_read+0x9/0x20
[  432.635975]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.641507]  ? check_preemption_disabled+0x48/0x280
[  432.646537]  irq_exit+0x17f/0x1c0
[  432.649989]  smp_apic_timer_interrupt+0x1cb/0x760
[  432.654856]  ? smp_reschedule_interrupt+0x109/0x650
[  432.659868]  ? smp_call_function_single_interrupt+0x650/0x650
[  432.665764]  ? interrupt_entry+0xb5/0xc0
[  432.669854]  ? trace_hardirqs_off_caller+0xbb/0x310
[  432.674925]  ? trace_hardirqs_off_caller+0xbb/0x310
[  432.679940]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  432.684841]  ? trace_hardirqs_on_caller+0x310/0x310
[  432.689864]  ? trace_hardirqs_on_caller+0x310/0x310
[  432.694875]  ? task_prio+0x50/0x50
[  432.698440]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.703971]  ? check_preemption_disabled+0x48/0x280
[  432.708999]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  432.713841]  apic_timer_interrupt+0xf/0x20
[  432.718077]  </IRQ>
[  432.720347] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  432.725560] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec
[  432.744471] RSP: 0018:ffff8801c2d36100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  432.752647] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100385b2de6
[  432.759919] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c2d96ebc
[  432.767320] RBP: ffff8801c2d36128 R08: ffff8801c2d96f30 R09: 0000000000000006
[  432.774602] R10: 0000000000000000 R11: ffff8801c2d96640 R12: dffffc0000000000
[  432.781892] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  432.789188]  retint_kernel+0x1b/0x2d
[  432.792917] RIP: 0010:dump_stack+0x358/0x39d
[  432.797323] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  432.816230] RSP: 0018:ffff8801c2d361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  432.823949] RAX: ffff8801c2d96640 RBX: 1ffffffff12a3f76 RCX: 1ffff100385b2de6
[  432.831215] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  432.838480] RBP: ffff8801c2d36290 R08: ffff8801c2d96f30 R09: 0000000000000006
[  432.845746] R10: 0000000000000000 R11: ffff8801c2d96640 R12: 1ffff100385a6c45
[  432.853012] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  432.860301]  ? dump_stack+0x34f/0x39d
[  432.864118]  ? dump_stack_print_info.cold.1+0x20/0x20
[  432.869332]  ? mark_held_locks+0x130/0x130
[  432.873567]  ? mark_held_locks+0x130/0x130
[  432.877804]  dump_header+0x27b/0xf72
[  432.881539]  ? pagefault_out_of_memory+0x197/0x197
[  432.886477]  ? __lock_acquire+0x62f/0x4c20
[  432.890710]  ? percpu_ref_get_many+0x240/0x240
[  432.895315]  ? print_usage_bug+0xc0/0xc0
[  432.899383]  ? zap_class+0x640/0x640
[  432.903102]  ? print_usage_bug+0xc0/0xc0
[  432.907162]  ? print_usage_bug+0xc0/0xc0
[  432.911227]  ? zap_class+0x640/0x640
[  432.914953]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.920494]  ? find_held_lock+0x36/0x1c0
[  432.924570]  ? mark_held_locks+0xc7/0x130
[  432.928723]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  432.933826]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  432.938931]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  432.943517]  ? trace_hardirqs_on+0xbd/0x310
[  432.947853]  ? kasan_check_read+0x11/0x20
[  432.952011]  ? ___ratelimit+0x3b4/0x672
[  432.955999]  ? trace_hardirqs_off_caller+0x310/0x310
[  432.961108]  ? trace_hardirqs_on+0x310/0x310
[  432.965517]  ? lock_downgrade+0x900/0x900
[  432.969682]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  432.974805]  ? ___ratelimit+0x3b9/0x672
[  432.978785]  ? idr_get_free+0xf70/0xf70
[  432.982758]  ? find_held_lock+0x36/0x1c0
[  432.986829]  oom_kill_process.cold.27+0x10/0x903
[  432.991590]  ? zap_class+0x640/0x640
[  432.995310]  ? check_preemption_disabled+0x48/0x280
[  433.000333]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  433.005270]  ? kasan_check_read+0x11/0x20
[  433.009419]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  433.014699]  ? oom_evaluate_task+0x540/0x540
[  433.019111]  ? find_held_lock+0x36/0x1c0
[  433.023178]  ? out_of_memory+0x974/0x1430
[  433.027325]  ? lock_downgrade+0x900/0x900
[  433.031466]  ? check_preemption_disabled+0x48/0x280
[  433.036479]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  433.041398]  ? kasan_check_read+0x11/0x20
[  433.045561]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  433.050845]  ? rcu_softirq_qs+0x20/0x20
[  433.054862]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  433.060388]  ? oom_evaluate_task+0x302/0x540
[  433.064786]  out_of_memory+0xa84/0x1430
[  433.068757]  ? oom_killer_disable+0x3a0/0x3a0
[  433.073240]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  433.078162]  ? __ww_mutex_check_waiters+0x160/0x160
[  433.083212]  __alloc_pages_slowpath+0x2354/0x2e10
[  433.088085]  ? warn_alloc+0x120/0x120
[  433.091877]  ? mark_held_locks+0x130/0x130
[  433.096106]  ? find_get_entry+0xaae/0x1120
[  433.100337]  ? filemap_map_pages+0x1a20/0x1a20
[  433.104942]  ? zap_class+0x640/0x640
[  433.108663]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.114204]  ? check_preemption_disabled+0x48/0x280
[  433.119209]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  433.124775]  ? should_fail+0x22d/0xd01
[  433.128658]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  433.133770]  ? zap_class+0x640/0x640
[  433.137539]  ? __lock_is_held+0xb5/0x140
[  433.141613]  ? mark_held_locks+0x130/0x130
[  433.145843]  ? lock_release+0xa00/0xa00
[  433.149807]  ? perf_trace_sched_process_exec+0x860/0x860
[  433.155301]  ? xa_load+0x2ba/0x460
[  433.158855]  ? lock_downgrade+0x900/0x900
[  433.163024]  ? __might_sleep+0x95/0x190
[  433.167008]  __alloc_pages_nodemask+0xa80/0xde0
[  433.171686]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  433.176694]  ? __page_cache_alloc+0x191/0x5c0
[  433.181178]  ? xa_load+0x2e1/0x460
[  433.184733]  ? xa_clear_mark+0x40/0x40
[  433.188635]  ? zap_class+0x640/0x640
[  433.192359]  ? zap_class+0x640/0x640
[  433.196084]  ? zap_class+0x640/0x640
[  433.199818]  ? __do_page_cache_readahead+0x663/0x810
[  433.204953]  ? find_held_lock+0x36/0x1c0
[  433.209028]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  433.214594]  alloc_pages_current+0x173/0x350
[  433.219014]  __page_cache_alloc+0x38c/0x5c0
[  433.223361]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  433.228276]  ? kasan_check_read+0x11/0x20
[  433.232415]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  433.237700]  ? generic_perform_write+0x6a0/0x6a0
[  433.242452]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  433.247983]  ? check_preemption_disabled+0x48/0x280
[  433.253022]  filemap_fault+0x1595/0x25f0
[  433.257114]  ? __lock_page_or_retry+0xa00/0xa00
[  433.261846]  ? mark_held_locks+0x130/0x130
[  433.266134]  ? filemap_map_pages+0xd6b/0x1a20
[  433.270637]  ? lock_downgrade+0x900/0x900
[  433.274785]  ? check_preemption_disabled+0x48/0x280
[  433.279802]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  433.284742]  ? kasan_check_read+0x11/0x20
[  433.288880]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  433.294197]  ? rcu_softirq_qs+0x20/0x20
[  433.298176]  ? filemap_map_pages+0xd92/0x1a20
[  433.302676]  ? find_get_entries_tag+0x1400/0x1400
[  433.307509]  ? find_held_lock+0x36/0x1c0
[  433.311594]  ? lock_acquire+0x1ed/0x520
[  433.315563]  ? ext4_filemap_fault+0x7a/0xad
[  433.319885]  ? lock_release+0xa00/0xa00
[  433.323851]  ? perf_trace_sched_process_exec+0x860/0x860
[  433.329302]  ? print_usage_bug+0xc0/0xc0
[  433.333403]  ? down_read+0x8d/0x120
[  433.337020]  ? ext4_filemap_fault+0x7a/0xad
[  433.341338]  ? __down_interruptible+0x700/0x700
[  433.346019]  ? find_held_lock+0x36/0x1c0
[  433.350097]  ext4_filemap_fault+0x82/0xad
[  433.354239]  __do_fault+0x100/0x6b0
[  433.357860]  ? lock_downgrade+0x900/0x900
[  433.362019]  ? pmd_devmap_trans_unstable+0x220/0x220
[  433.367152]  ? kasan_check_read+0x11/0x20
[  433.371312]  ? do_raw_spin_unlock+0xa7/0x330
[  433.375714]  ? do_raw_spin_trylock+0x270/0x270
[  433.380310]  __handle_mm_fault+0x3ea0/0x5be0
[  433.384712]  ? perf_trace_lock+0x7a0/0x7a0
[  433.388993]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  433.393856]  ? zap_class+0x640/0x640
[  433.397563]  ? zap_class+0x640/0x640
[  433.401270]  ? __x64_sys_futex+0x53e/0x6a0
[  433.405517]  ? find_held_lock+0x36/0x1c0
[  433.409585]  ? handle_mm_fault+0x42a/0xc70
[  433.413813]  ? lock_downgrade+0x900/0x900
[  433.417951]  ? check_preemption_disabled+0x48/0x280
[  433.422963]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  433.427885]  ? kasan_check_read+0x11/0x20
[  433.432043]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  433.437332]  ? rcu_softirq_qs+0x20/0x20
[  433.441321]  ? trace_hardirqs_off_caller+0x310/0x310
[  433.446432]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  433.451963]  ? check_preemption_disabled+0x48/0x280
[  433.456980]  handle_mm_fault+0x54f/0xc70
[  433.461036]  ? __handle_mm_fault+0x5be0/0x5be0
[  433.465614]  ? find_vma+0x34/0x190
[  433.469165]  __do_page_fault+0x5e8/0xe60
[  433.473217]  ? trace_hardirqs_off+0xb8/0x310
[  433.477617]  ? kernel_write+0x120/0x120
[  433.481602]  do_page_fault+0xf2/0x7e0
[  433.485396]  ? vmalloc_sync_all+0x30/0x30
[  433.489562]  ? error_entry+0x70/0xd0
[  433.493285]  ? trace_hardirqs_off_caller+0xbb/0x310
[  433.498297]  ? trace_hardirqs_on_caller+0xc0/0x310
[  433.503248]  ? syscall_return_slowpath+0x5e0/0x5e0
[  433.508165]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  433.512998]  ? trace_hardirqs_on_caller+0x310/0x310
[  433.518004]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  433.523451]  ? prepare_exit_to_usermode+0x291/0x3b0
[  433.528477]  ? page_fault+0x8/0x30
[  433.532040]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  433.536894]  ? page_fault+0x8/0x30
[  433.540443]  page_fault+0x1e/0x30
[  433.543889] RIP: 0033:0x404068
[  433.547080] Code: Bad RIP value.
[  433.550431] RSP: 002b:000000c420024e48 EFLAGS: 00010206
[  433.555794] RAX: 000000c422dd4cc0 RBX: 000000c42875f801 RCX: 000000c424d31838
[  433.563054] RDX: 000000c422dd4cc0 RSI: 0000000000000001 RDI: 0000000000000001
[  433.570312] RBP: 000000c420024ed8 R08: 00007ffd3a9b40b0 R09: 00007ffd3a9b4080
[  433.577610] R10: 000000000000eacc R11: 0000000000000165 R12: 0000000000000001
[  433.584902] R13: 000000c4271c3620 R14: 0000000000000001 R15: 0000000000000000
[  433.592178] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #83
[  433.592337] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  433.598957] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  433.609192] syz-fuzzer cpuset=/ mems_allowed=0
[  433.618525] Call Trace:
[  433.625705]  dump_stack+0x244/0x39d
[  433.629344]  ? dump_stack_print_info.cold.1+0x20/0x20
[  433.634556]  warn_alloc.cold.116+0xb7/0x1bd
[  433.638895]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  433.643749]  ? lock_downgrade+0x900/0x900
[  433.647914]  ? trace_hardirqs_off+0xb8/0x310
[  433.652321]  ? trace_hardirqs_off+0xb8/0x310
[  433.656733]  __alloc_pages_slowpath+0x26e8/0x2e10
[  433.661626]  ? warn_alloc+0x120/0x120
[  433.665440]  ? warn_alloc+0x120/0x120
[  433.669234]  ? warn_alloc+0x120/0x120
[  433.673029]  ? print_usage_bug+0xc0/0xc0
[  433.677103]  ? print_usage_bug+0xc0/0xc0
[  433.681190]  ? mark_held_locks+0x130/0x130
[  433.685416]  ? mark_held_locks+0x130/0x130
[  433.689659]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  433.695186]  ? should_fail+0x22d/0xd01
[  433.699098]  ? zap_class+0x640/0x640
[  433.702843]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  433.707968]  ? __lock_acquire+0x62f/0x4c20
[  433.712196]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  433.717289]  ? __lock_acquire+0x62f/0x4c20
[  433.721514]  ? should_fail+0x22d/0xd01
[  433.725425]  ? mark_held_locks+0x130/0x130
[  433.729674]  ? mark_held_locks+0x130/0x130
[  433.733976]  ? lock_downgrade+0x900/0x900
[  433.738133]  ? zap_class+0x640/0x640
[  433.741909]  ? zap_class+0x640/0x640
[  433.745648]  ? do_raw_spin_unlock+0xa7/0x330
[  433.750067]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  433.754833]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.760377]  ? check_preemption_disabled+0x48/0x280
[  433.765394]  ? __lock_is_held+0xb5/0x140
[  433.769490]  __alloc_pages_nodemask+0xa80/0xde0
[  433.774172]  ? zap_class+0x640/0x640
[  433.777930]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  433.782963]  ? find_held_lock+0x36/0x1c0
[  433.787059]  ? ____cache_alloc_node+0x1c7/0x1e0
[  433.791743]  ? lock_downgrade+0x900/0x900
[  433.795896]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.801470]  cache_grow_begin+0xa5/0x8c0
[  433.805553]  ? do_raw_spin_unlock+0xa7/0x330
[  433.809980]  fallback_alloc+0x204/0x2e0
[  433.814011]  ____cache_alloc_node+0x1c7/0x1e0
[  433.818556]  kmem_cache_alloc_node+0xe3/0x730
[  433.823149]  ? lockdep_hardirqs_on+0x296/0x5b0
[  433.827734]  __alloc_skb+0x119/0x770
[  433.831438]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  433.836812]  ? netdev_alloc_frag+0x1f0/0x1f0
[  433.841217]  ? vprintk_default+0x28/0x30
[  433.845270]  ? vprintk_func+0x85/0x181
[  433.849196]  ? printk+0xa7/0xcf
[  433.852468]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  433.857218]  ? do_raw_spin_trylock+0x270/0x270
[  433.861801]  new_skb+0x26/0x1c0
[  433.865085]  aoecmd_cfg+0x279/0x7f0
[  433.868735]  ? find_held_lock+0x36/0x1c0
[  433.872819]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  433.877153]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.882717]  ? __lock_is_held+0xb5/0x140
[  433.886781]  discover_timer+0x50/0x60
[  433.890604]  call_timer_fn+0x272/0x920
[  433.894494]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  433.899326]  ? process_timeout+0x40/0x40
[  433.903386]  ? __run_timers+0x7da/0xc70
[  433.907386]  ? _raw_spin_unlock_irq+0x27/0x80
[  433.911906]  ? _raw_spin_unlock_irq+0x27/0x80
[  433.916398]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  433.921258]  ? lockdep_hardirqs_on+0x296/0x5b0
[  433.925847]  ? trace_hardirqs_on+0xbd/0x310
[  433.930162]  ? kasan_check_read+0x11/0x20
[  433.934296]  ? __run_timers+0x7da/0xc70
[  433.938265]  ? trace_hardirqs_off_caller+0x310/0x310
[  433.943387]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  433.948236]  __run_timers+0x7e5/0xc70
[  433.952060]  ? timer_fixup_init+0x70/0x70
[  433.956218]  ? _raw_spin_unlock_irq+0x27/0x80
[  433.960702]  ? _raw_spin_unlock_irq+0x27/0x80
[  433.965190]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  433.969768]  ? trace_hardirqs_on+0xbd/0x310
[  433.974082]  ? kasan_check_read+0x11/0x20
[  433.978263]  ? finish_task_switch+0x1f4/0x910
[  433.982749]  ? trace_hardirqs_off_caller+0x310/0x310
[  433.987856]  ? compat_start_thread+0x80/0x80
[  433.992274]  ? pvclock_read_flags+0x160/0x160
[  433.996757]  ? __switch_to_asm+0x34/0x70
[  434.000811]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.006356]  ? check_preemption_disabled+0x48/0x280
[  434.011370]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  434.016916]  ? rcu_pm_notify+0xc0/0xc0
[  434.020828]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.026386]  ? check_preemption_disabled+0x48/0x280
[  434.031410]  run_timer_softirq+0x52/0xb0
[  434.035460]  ? rcu_read_lock_sched_held+0x14f/0x180
[  434.040482]  __do_softirq+0x308/0xb7e
[  434.044275]  ? trace_hardirqs_on_caller+0xc0/0x310
[  434.049198]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  434.054291]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  434.059738]  ? schedule+0x108/0x460
[  434.063366]  ? trace_hardirqs_off+0xb8/0x310
[  434.067763]  ? smpboot_thread_fn+0x68b/0xa00
[  434.072191]  ? trace_hardirqs_on+0x310/0x310
[  434.076601]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  434.082145]  ? check_preemption_disabled+0x48/0x280
[  434.087156]  ? takeover_tasklets+0xa90/0xa90
[  434.091573]  run_ksoftirqd+0x5e/0x100
[  434.095365]  smpboot_thread_fn+0x68b/0xa00
[  434.099595]  ? sort_range+0x30/0x30
[  434.103213]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  434.108335]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  434.113917]  ? __kthread_parkme+0xfb/0x1a0
[  434.118150]  ? sort_range+0x30/0x30
[  434.121768]  kthread+0x35a/0x440
[  434.125142]  ? kthread_stop+0x900/0x900
[  434.129139]  ret_from_fork+0x3a/0x50
[  434.132907] CPU: 1 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  434.132911] warn_alloc_show_mem: 1 callbacks suppressed
[  434.132917] Mem-Info:
[  434.139879] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  434.145260] active_anon:44321 inactive_anon:2061 isolated_anon:0
[  434.145260]  active_file:14 inactive_file:14 isolated_file:0
[  434.145260]  unevictable:0 dirty:0 writeback:0 unstable:0
[  434.145260]  slab_reclaimable:9437 slab_unreclaimable:1460937
[  434.145260]  mapped:49154 shmem:2105 pagetables:642 bounce:0
[  434.145260]  free:13638 free_pcp:328 free_cma:0
[  434.147632] Call Trace:
[  434.157016] Node 0 active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8420kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  434.190040]  <IRQ>
[  434.192603] 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
[  434.220180]  dump_stack+0x244/0x39d
[  434.222324] lowmem_reserve[]: 0 2818 6321 6321
[  434.248431]  ? dump_stack_print_info.cold.1+0x20/0x20
[  434.252032] Node 0 DMA32 free:24708kB 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
[  434.256619]  warn_alloc.cold.116+0xb7/0x1bd
[  434.261773] lowmem_reserve[]: 0 0 3503 3503
[  434.289263]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  434.293559] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2568kB bounce:0kB free_pcp:1064kB local_pcp:692kB free_cma:0kB
[  434.297890]  ? lock_downgrade+0x900/0x900
[  434.302706] lowmem_reserve[]: 0 0 0 0
[  434.331766]  ? trace_hardirqs_off+0xb8/0x310
[  434.335885] 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
[  434.339693]  ? trace_hardirqs_off+0xb8/0x310
[  434.344072] Node 0 DMA32: 5*4kB (UM) 2*8kB (MH) 2*16kB (MH) 4*32kB (MH) 3*64kB (M) 2*128kB (M) 4*256kB (UMH) 3*512kB (UM) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24708kB
[  434.357621]  __alloc_pages_slowpath+0x26e8/0x2e10
[  434.361993] Node 0 Normal: 930*4kB (MEH) 535*8kB (UMEH) 215*16kB (UME) 80*32kB (UMH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  434.377548]  ? warn_alloc+0x120/0x120
[  434.382350] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  434.396137]  ? warn_alloc+0x120/0x120
[  434.399916] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  434.408740]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  434.412515] 2133 total pagecache pages
[  434.421102]  ? warn_alloc+0x120/0x120
[  434.426097] 0 pages in swap cache
[  434.429970]  ? print_usage_bug+0xc0/0xc0
[  434.433747] Swap cache stats: add 0, delete 0, find 0/0
[  434.437194]  ? print_usage_bug+0xc0/0xc0
[  434.441224] Free swap  = 0kB
[  434.446568]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  434.450611] Total swap = 0kB
[  434.453627]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  434.458813] 1965979 pages RAM
[  434.461829]  ? should_fail+0x22d/0xd01
[  434.467350] 0 pages HighMem/MovableOnly
[  434.470438]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  434.474295] 342853 pages reserved
[  434.474304] 0 pages cma reserved
[  434.478266]  ? __lock_acquire+0x62f/0x4c20
[  434.483405] aoe: skb alloc failure
[  434.486791]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  434.490170] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  434.494367]  ? should_fail+0x22d/0xd01
[  434.497881] ksoftirqd/0 cpuset=/ mems_allowed=0
[  434.502991]  ? mark_held_locks+0x130/0x130
[  434.526012]  ? mark_held_locks+0x130/0x130
[  434.530253]  ? print_usage_bug+0xc0/0xc0
[  434.534346]  ? find_held_lock+0x36/0x1c0
[  434.538400]  ? zap_class+0x640/0x640
[  434.542145]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.547721]  ? check_preemption_disabled+0x48/0x280
[  434.552742]  ? __lock_is_held+0xb5/0x140
[  434.556804]  __alloc_pages_nodemask+0xa80/0xde0
[  434.561496]  ? zap_class+0x640/0x640
[  434.565206]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  434.570220]  ? find_held_lock+0x36/0x1c0
[  434.574278]  ? ____cache_alloc_node+0x1c7/0x1e0
[  434.578959]  ? lock_downgrade+0x900/0x900
[  434.583142]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.588694]  cache_grow_begin+0xa5/0x8c0
[  434.592755]  ? do_raw_spin_unlock+0xa7/0x330
[  434.597190]  fallback_alloc+0x204/0x2e0
[  434.601197]  ____cache_alloc_node+0x1c7/0x1e0
[  434.605719]  kmem_cache_alloc_node+0xe3/0x730
[  434.610204]  ? mark_held_locks+0xc7/0x130
[  434.614380]  __alloc_skb+0x119/0x770
[  434.618121]  ? netdev_alloc_frag+0x1f0/0x1f0
[  434.622642]  ? do_raw_spin_trylock+0x270/0x270
[  434.627217]  ? kmem_cache_alloc_trace+0x353/0x750
[  434.632099]  ? queue_work_on+0x12c/0x1e0
[  434.636158]  ? switchdev_port_obj_del+0xdc/0x440
[  434.640907]  ? switchdev_trans_item_enqueue+0x260/0x260
[  434.646279]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  434.651300]  __br_mdb_notify+0x4ff/0x15d0
[  434.655454]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  434.660572]  ? __br_mdb_add+0x7f0/0x7f0
[  434.664562]  ? mark_held_locks+0x130/0x130
[  434.668803]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  434.673905]  ? debug_object_assert_init+0x368/0x4b0
[  434.678937]  ? debug_object_init_on_stack+0x20/0x20
[  434.683944]  ? zap_class+0x640/0x640
[  434.687650]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.693185]  br_mdb_notify+0x310/0x410
[  434.697094]  ? br_mdb_dump+0x27b0/0x27b0
[  434.701160]  br_multicast_del_pg+0x3df/0x790
[  434.705567]  ? br_mdb_ip_get+0x940/0x940
[  434.709622]  ? rwlock_bug.part.2+0x90/0x90
[  434.713881]  ? __lock_is_held+0xb5/0x140
[  434.717982]  br_multicast_port_group_expired+0x189/0x1e0
[  434.723424]  call_timer_fn+0x272/0x920
[  434.727316]  ? br_multicast_del_pg+0x790/0x790
[  434.731932]  ? process_timeout+0x40/0x40
[  434.735991]  ? mark_held_locks+0xc7/0x130
[  434.740144]  ? _raw_spin_unlock_irq+0x27/0x80
[  434.744679]  ? _raw_spin_unlock_irq+0x27/0x80
[  434.749167]  ? br_multicast_del_pg+0x790/0x790
[  434.754240]  ? lockdep_hardirqs_on+0x296/0x5b0
[  434.758833]  ? trace_hardirqs_on+0xbd/0x310
[  434.763144]  ? kasan_check_read+0x11/0x20
[  434.767280]  ? __run_timers+0x7da/0xc70
[  434.771276]  ? trace_hardirqs_off_caller+0x310/0x310
[  434.776378]  ? br_multicast_del_pg+0x790/0x790
[  434.780970]  ? br_multicast_del_pg+0x790/0x790
[  434.785543]  __run_timers+0x7e5/0xc70
[  434.789382]  ? timer_fixup_init+0x70/0x70
[  434.793558]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  434.798670]  ? zap_class+0x640/0x640
[  434.802381]  ? print_usage_bug+0xc0/0xc0
[  434.806495]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  434.811678]  ? find_held_lock+0x36/0x1c0
[  434.815732]  ? zap_class+0x640/0x640
[  434.819457]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.824986]  ? check_preemption_disabled+0x48/0x280
[  434.830000]  ? __lock_is_held+0xb5/0x140
[  434.834054]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.839628]  ? check_preemption_disabled+0x48/0x280
[  434.844644]  run_timer_softirq+0x52/0xb0
[  434.848713]  ? rcu_read_lock_sched_held+0x14f/0x180
[  434.853719]  __do_softirq+0x308/0xb7e
[  434.857555]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  434.862071]  ? lock_downgrade+0x900/0x900
[  434.866213]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  434.871330]  ? pvclock_read_flags+0x160/0x160
[  434.875819]  ? lapic_next_event+0x5a/0x90
[  434.879977]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.885524]  ? kvm_clock_read+0x18/0x30
[  434.889503]  ? kvm_sched_clock_read+0x9/0x20
[  434.893912]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.899446]  ? check_preemption_disabled+0x48/0x280
[  434.904466]  irq_exit+0x17f/0x1c0
[  434.907911]  smp_apic_timer_interrupt+0x1cb/0x760
[  434.912760]  ? smp_reschedule_interrupt+0x109/0x650
[  434.917772]  ? smp_call_function_single_interrupt+0x650/0x650
[  434.923649]  ? interrupt_entry+0xb5/0xc0
[  434.927707]  ? trace_hardirqs_off_caller+0xbb/0x310
[  434.932716]  ? trace_hardirqs_off_caller+0xbb/0x310
[  434.937730]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  434.942586]  ? trace_hardirqs_on_caller+0x310/0x310
[  434.947596]  ? trace_hardirqs_on_caller+0x310/0x310
[  434.952602]  ? task_prio+0x50/0x50
[  434.956148]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.961684]  ? check_preemption_disabled+0x48/0x280
[  434.966698]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  434.971547]  apic_timer_interrupt+0xf/0x20
[  434.975772]  </IRQ>
[  434.978064] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  434.983245] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec
[  435.002135] RSP: 0018:ffff8801c2d36100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  435.009849] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100385b2de6
[  435.017129] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c2d96ebc
[  435.024403] RBP: ffff8801c2d36128 R08: ffff8801c2d96f30 R09: 0000000000000006
[  435.031671] R10: 0000000000000000 R11: ffff8801c2d96640 R12: dffffc0000000000
[  435.038933] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  435.046266]  retint_kernel+0x1b/0x2d
[  435.049979] RIP: 0010:dump_stack+0x358/0x39d
[  435.054377] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  435.073280] RSP: 0018:ffff8801c2d361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  435.080995] RAX: ffff8801c2d96640 RBX: 1ffffffff12a3f76 RCX: 1ffff100385b2de6
[  435.088288] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  435.095557] RBP: ffff8801c2d36290 R08: ffff8801c2d96f30 R09: 0000000000000006
[  435.102842] R10: 0000000000000000 R11: ffff8801c2d96640 R12: 1ffff100385a6c45
[  435.110118] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  435.117404]  ? dump_stack+0x34f/0x39d
[  435.121204]  ? dump_stack_print_info.cold.1+0x20/0x20
[  435.126416]  ? mark_held_locks+0x130/0x130
[  435.130670]  ? mark_held_locks+0x130/0x130
[  435.134927]  dump_header+0x27b/0xf72
[  435.138646]  ? pagefault_out_of_memory+0x197/0x197
[  435.143585]  ? __lock_acquire+0x62f/0x4c20
[  435.147812]  ? percpu_ref_get_many+0x240/0x240
[  435.152431]  ? print_usage_bug+0xc0/0xc0
[  435.156510]  ? zap_class+0x640/0x640
[  435.160368]  ? print_usage_bug+0xc0/0xc0
[  435.164441]  ? print_usage_bug+0xc0/0xc0
[  435.168500]  ? zap_class+0x640/0x640
[  435.172246]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.177829]  ? find_held_lock+0x36/0x1c0
[  435.181899]  ? mark_held_locks+0xc7/0x130
[  435.186048]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  435.191152]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  435.196312]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  435.200912]  ? trace_hardirqs_on+0xbd/0x310
[  435.205249]  ? kasan_check_read+0x11/0x20
[  435.209410]  ? ___ratelimit+0x3b4/0x672
[  435.213391]  ? trace_hardirqs_off_caller+0x310/0x310
[  435.218494]  ? trace_hardirqs_on+0x310/0x310
[  435.222928]  ? lock_downgrade+0x900/0x900
[  435.227080]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  435.232186]  ? ___ratelimit+0x3b9/0x672
[  435.236162]  ? idr_get_free+0xf70/0xf70
[  435.240140]  ? find_held_lock+0x36/0x1c0
[  435.244219]  oom_kill_process.cold.27+0x10/0x903
[  435.248996]  ? zap_class+0x640/0x640
[  435.252740]  ? check_preemption_disabled+0x48/0x280
[  435.257760]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  435.262698]  ? kasan_check_read+0x11/0x20
[  435.266846]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  435.272137]  ? oom_evaluate_task+0x540/0x540
[  435.276556]  ? find_held_lock+0x36/0x1c0
[  435.280641]  ? out_of_memory+0x974/0x1430
[  435.284792]  ? lock_downgrade+0x900/0x900
[  435.288947]  ? check_preemption_disabled+0x48/0x280
[  435.293970]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  435.298897]  ? kasan_check_read+0x11/0x20
[  435.303047]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  435.308346]  ? rcu_softirq_qs+0x20/0x20
[  435.312327]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  435.317869]  ? oom_evaluate_task+0x302/0x540
[  435.322317]  out_of_memory+0xa84/0x1430
[  435.326324]  ? oom_killer_disable+0x3a0/0x3a0
[  435.330819]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  435.335755]  ? __ww_mutex_check_waiters+0x160/0x160
[  435.340795]  __alloc_pages_slowpath+0x2354/0x2e10
[  435.345669]  ? warn_alloc+0x120/0x120
[  435.349476]  ? mark_held_locks+0x130/0x130
[  435.353722]  ? find_get_entry+0xaae/0x1120
[  435.357966]  ? filemap_map_pages+0x1a20/0x1a20
[  435.362572]  ? zap_class+0x640/0x640
[  435.366322]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.371871]  ? check_preemption_disabled+0x48/0x280
[  435.376889]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  435.382440]  ? should_fail+0x22d/0xd01
[  435.386331]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  435.391443]  ? zap_class+0x640/0x640
[  435.395199]  ? __lock_is_held+0xb5/0x140
[  435.399273]  ? mark_held_locks+0x130/0x130
[  435.403527]  ? lock_release+0xa00/0xa00
[  435.407510]  ? perf_trace_sched_process_exec+0x860/0x860
[  435.412967]  ? xa_load+0x2ba/0x460
[  435.416524]  ? lock_downgrade+0x900/0x900
[  435.420685]  ? __might_sleep+0x95/0x190
[  435.424662]  __alloc_pages_nodemask+0xa80/0xde0
[  435.429338]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  435.434355]  ? __page_cache_alloc+0x191/0x5c0
[  435.438849]  ? xa_load+0x2e1/0x460
[  435.442396]  ? xa_clear_mark+0x40/0x40
[  435.446284]  ? zap_class+0x640/0x640
[  435.450030]  ? zap_class+0x640/0x640
[  435.453743]  ? zap_class+0x640/0x640
[  435.457453]  ? __do_page_cache_readahead+0x663/0x810
[  435.462567]  ? find_held_lock+0x36/0x1c0
[  435.466625]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  435.472223]  alloc_pages_current+0x173/0x350
[  435.476635]  __page_cache_alloc+0x38c/0x5c0
[  435.480965]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  435.485896]  ? kasan_check_read+0x11/0x20
[  435.490047]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  435.495322]  ? generic_perform_write+0x6a0/0x6a0
[  435.500067]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  435.505610]  ? check_preemption_disabled+0x48/0x280
[  435.510638]  filemap_fault+0x1595/0x25f0
[  435.514714]  ? __lock_page_or_retry+0xa00/0xa00
[  435.519377]  ? mark_held_locks+0x130/0x130
[  435.523635]  ? filemap_map_pages+0xd6b/0x1a20
[  435.528123]  ? lock_downgrade+0x900/0x900
[  435.532260]  ? check_preemption_disabled+0x48/0x280
[  435.537318]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  435.542254]  ? kasan_check_read+0x11/0x20
[  435.546412]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  435.551693]  ? rcu_softirq_qs+0x20/0x20
[  435.555665]  ? filemap_map_pages+0xd92/0x1a20
[  435.560175]  ? find_get_entries_tag+0x1400/0x1400
[  435.565034]  ? find_held_lock+0x36/0x1c0
[  435.569135]  ? lock_acquire+0x1ed/0x520
[  435.573148]  ? ext4_filemap_fault+0x7a/0xad
[  435.577581]  ? lock_release+0xa00/0xa00
[  435.581569]  ? perf_trace_sched_process_exec+0x860/0x860
[  435.587015]  ? print_usage_bug+0xc0/0xc0
[  435.591077]  ? down_read+0x8d/0x120
[  435.594699]  ? ext4_filemap_fault+0x7a/0xad
[  435.599048]  ? __down_interruptible+0x700/0x700
[  435.603729]  ? find_held_lock+0x36/0x1c0
[  435.607786]  ext4_filemap_fault+0x82/0xad
[  435.611925]  __do_fault+0x100/0x6b0
[  435.615582]  ? lock_downgrade+0x900/0x900
[  435.619726]  ? pmd_devmap_trans_unstable+0x220/0x220
[  435.624826]  ? kasan_check_read+0x11/0x20
[  435.628963]  ? do_raw_spin_unlock+0xa7/0x330
[  435.633374]  ? do_raw_spin_trylock+0x270/0x270
[  435.637968]  __handle_mm_fault+0x3ea0/0x5be0
[  435.642382]  ? perf_trace_lock+0x7a0/0x7a0
[  435.646616]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  435.651467]  ? zap_class+0x640/0x640
[  435.655167]  ? zap_class+0x640/0x640
[  435.658895]  ? __x64_sys_futex+0x53e/0x6a0
[  435.663137]  ? find_held_lock+0x36/0x1c0
[  435.667201]  ? handle_mm_fault+0x42a/0xc70
[  435.671429]  ? lock_downgrade+0x900/0x900
[  435.675597]  ? check_preemption_disabled+0x48/0x280
[  435.680609]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  435.685561]  ? kasan_check_read+0x11/0x20
[  435.689705]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  435.694973]  ? rcu_softirq_qs+0x20/0x20
[  435.698937]  ? trace_hardirqs_off_caller+0x310/0x310
[  435.704047]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  435.709592]  ? check_preemption_disabled+0x48/0x280
[  435.714604]  handle_mm_fault+0x54f/0xc70
[  435.718658]  ? __handle_mm_fault+0x5be0/0x5be0
[  435.723237]  ? find_vma+0x34/0x190
[  435.726779]  __do_page_fault+0x5e8/0xe60
[  435.730834]  ? trace_hardirqs_off+0xb8/0x310
[  435.735251]  ? kernel_write+0x120/0x120
[  435.739260]  do_page_fault+0xf2/0x7e0
[  435.743127]  ? vmalloc_sync_all+0x30/0x30
[  435.747268]  ? error_entry+0x70/0xd0
[  435.750984]  ? trace_hardirqs_off_caller+0xbb/0x310
[  435.755991]  ? trace_hardirqs_on_caller+0xc0/0x310
[  435.760948]  ? syscall_return_slowpath+0x5e0/0x5e0
[  435.765886]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  435.770724]  ? trace_hardirqs_on_caller+0x310/0x310
[  435.775739]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  435.781234]  ? prepare_exit_to_usermode+0x291/0x3b0
[  435.786255]  ? page_fault+0x8/0x30
[  435.789836]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  435.794694]  ? page_fault+0x8/0x30
[  435.798226]  page_fault+0x1e/0x30
[  435.801689] RIP: 0033:0x404068
[  435.804885] Code: Bad RIP value.
[  435.808248] RSP: 002b:000000c420024e48 EFLAGS: 00010206
[  435.813601] RAX: 000000c422dd4cc0 RBX: 000000c42875f801 RCX: 000000c424d31838
[  435.820861] RDX: 000000c422dd4cc0 RSI: 0000000000000001 RDI: 0000000000000001
[  435.828122] RBP: 000000c420024ed8 R08: 00007ffd3a9b40b0 R09: 00007ffd3a9b4080
[  435.835395] R10: 000000000000eacc R11: 0000000000000165 R12: 0000000000000001
[  435.842653] R13: 000000c4271c3620 R14: 0000000000000001 R15: 0000000000000000
[  435.849933] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #83
[  435.850113] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  435.856706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  435.866906] syz-fuzzer cpuset=/ mems_allowed=0
[  435.876239] Call Trace:
[  435.883387]  dump_stack+0x244/0x39d
[  435.887006]  ? dump_stack_print_info.cold.1+0x20/0x20
[  435.892195]  warn_alloc.cold.116+0xb7/0x1bd
[  435.896524]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  435.901383]  ? lock_downgrade+0x900/0x900
[  435.905527]  ? trace_hardirqs_off+0xb8/0x310
[  435.909951]  ? trace_hardirqs_off+0xb8/0x310
[  435.914360]  __alloc_pages_slowpath+0x26e8/0x2e10
[  435.919244]  ? warn_alloc+0x120/0x120
[  435.923042]  ? warn_alloc+0x120/0x120
[  435.926871]  ? warn_alloc+0x120/0x120
[  435.930665]  ? print_usage_bug+0xc0/0xc0
[  435.934722]  ? print_usage_bug+0xc0/0xc0
[  435.938883]  ? mark_held_locks+0x130/0x130
[  435.943137]  ? mark_held_locks+0x130/0x130
[  435.947373]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  435.952930]  ? should_fail+0x22d/0xd01
[  435.956814]  ? zap_class+0x640/0x640
[  435.960525]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  435.965640]  ? __lock_acquire+0x62f/0x4c20
[  435.969901]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  435.975004]  ? __lock_acquire+0x62f/0x4c20
[  435.979234]  ? should_fail+0x22d/0xd01
[  435.983177]  ? mark_held_locks+0x130/0x130
[  435.987430]  ? mark_held_locks+0x130/0x130
[  435.991659]  ? lock_downgrade+0x900/0x900
[  435.995824]  ? zap_class+0x640/0x640
[  435.999544]  ? zap_class+0x640/0x640
[  436.003267]  ? zap_class+0x640/0x640
[  436.006976]  ? do_raw_spin_unlock+0xa7/0x330
[  436.011385]  ? trace_hardirqs_on+0x310/0x310
[  436.015792]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.021332]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.026882]  ? check_preemption_disabled+0x48/0x280
[  436.031899]  ? __lock_is_held+0xb5/0x140
[  436.035958]  __alloc_pages_nodemask+0xa80/0xde0
[  436.040619]  ? zap_class+0x640/0x640
[  436.044328]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  436.049349]  ? find_held_lock+0x36/0x1c0
[  436.053424]  ? ____cache_alloc_node+0x1c7/0x1e0
[  436.058103]  ? lock_downgrade+0x900/0x900
[  436.062254]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.067787]  cache_grow_begin+0xa5/0x8c0
[  436.071845]  ? do_raw_spin_unlock+0xa7/0x330
[  436.076282]  fallback_alloc+0x204/0x2e0
[  436.080264]  ____cache_alloc_node+0x1c7/0x1e0
[  436.084759]  kmem_cache_alloc_node+0xe3/0x730
[  436.089268]  ? lockdep_hardirqs_on+0x296/0x5b0
[  436.093851]  __alloc_skb+0x119/0x770
[  436.097572]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  436.102934]  ? netdev_alloc_frag+0x1f0/0x1f0
[  436.107340]  ? vprintk_default+0x28/0x30
[  436.111395]  ? vprintk_func+0x85/0x181
[  436.115279]  ? printk+0xa7/0xcf
[  436.118602]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  436.123354]  ? do_raw_spin_trylock+0x270/0x270
[  436.127955]  new_skb+0x26/0x1c0
[  436.131245]  aoecmd_cfg+0x279/0x7f0
[  436.134899]  ? find_held_lock+0x36/0x1c0
[  436.138958]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  436.143276]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.148822]  ? __lock_is_held+0xb5/0x140
[  436.152890]  discover_timer+0x50/0x60
[  436.156685]  call_timer_fn+0x272/0x920
[  436.160579]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  436.165415]  ? process_timeout+0x40/0x40
[  436.169475]  ? __run_timers+0x7da/0xc70
[  436.173442]  ? _raw_spin_unlock_irq+0x27/0x80
[  436.177925]  ? _raw_spin_unlock_irq+0x27/0x80
[  436.182411]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  436.187243]  ? lockdep_hardirqs_on+0x296/0x5b0
[  436.191848]  ? trace_hardirqs_on+0xbd/0x310
[  436.196178]  ? kasan_check_read+0x11/0x20
[  436.200313]  ? __run_timers+0x7da/0xc70
[  436.204295]  ? trace_hardirqs_off_caller+0x310/0x310
[  436.209403]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  436.214236]  __run_timers+0x7e5/0xc70
[  436.218050]  ? timer_fixup_init+0x70/0x70
[  436.222188]  ? _raw_spin_unlock_irq+0x27/0x80
[  436.226674]  ? _raw_spin_unlock_irq+0x27/0x80
[  436.231175]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  436.235782]  ? trace_hardirqs_on+0xbd/0x310
[  436.240180]  ? kasan_check_read+0x11/0x20
[  436.244344]  ? finish_task_switch+0x1f4/0x910
[  436.248864]  ? trace_hardirqs_off_caller+0x310/0x310
[  436.253961]  ? compat_start_thread+0x80/0x80
[  436.258380]  ? pvclock_read_flags+0x160/0x160
[  436.262863]  ? __switch_to_asm+0x34/0x70
[  436.266931]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.272462]  ? check_preemption_disabled+0x48/0x280
[  436.277485]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  436.283015]  ? rcu_pm_notify+0xc0/0xc0
[  436.286897]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.292444]  ? check_preemption_disabled+0x48/0x280
[  436.297473]  run_timer_softirq+0x52/0xb0
[  436.301546]  ? rcu_read_lock_sched_held+0x14f/0x180
[  436.306558]  __do_softirq+0x308/0xb7e
[  436.310365]  ? trace_hardirqs_on_caller+0xc0/0x310
[  436.315284]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  436.320410]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  436.325874]  ? schedule+0x108/0x460
[  436.329561]  ? trace_hardirqs_off+0xb8/0x310
[  436.333974]  ? smpboot_thread_fn+0x68b/0xa00
[  436.338410]  ? trace_hardirqs_on+0x310/0x310
[  436.342840]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  436.348391]  ? check_preemption_disabled+0x48/0x280
[  436.353419]  ? takeover_tasklets+0xa90/0xa90
[  436.357852]  run_ksoftirqd+0x5e/0x100
[  436.361649]  smpboot_thread_fn+0x68b/0xa00
[  436.365890]  ? sort_range+0x30/0x30
[  436.369510]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  436.374616]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  436.380163]  ? __kthread_parkme+0xfb/0x1a0
[  436.384425]  ? sort_range+0x30/0x30
[  436.388043]  kthread+0x35a/0x440
[  436.391420]  ? kthread_stop+0x900/0x900
[  436.395404]  ret_from_fork+0x3a/0x50
[  436.399134] warn_alloc_show_mem: 1 callbacks suppressed
[  436.399143] CPU: 1 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  436.399145] Mem-Info:
[  436.399171] active_anon:44321 inactive_anon:2061 isolated_anon:0
[  436.399171]  active_file:14 inactive_file:14 isolated_file:0
[  436.399171]  unevictable:0 dirty:0 writeback:0 unstable:0
[  436.399171]  slab_reclaimable:9437 slab_unreclaimable:1460937
[  436.399171]  mapped:49154 shmem:2105 pagetables:642 bounce:0
[  436.399171]  free:13638 free_pcp:328 free_cma:0
[  436.404502] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  436.411452] Node 0 active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8420kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  436.413862] Call Trace:
[  436.446923] 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
[  436.456260]  <IRQ>
[  436.483819] lowmem_reserve[]: 0 2818 6321 6321
[  436.486427]  dump_stack+0x244/0x39d
[  436.512509] Node 0 DMA32 free:24708kB 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
[  436.514659]  ? dump_stack_print_info.cold.1+0x20/0x20
[  436.519254] lowmem_reserve[]: 0 0 3503 3503
[  436.522882]  warn_alloc.cold.116+0xb7/0x1bd
[  436.550350] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2568kB bounce:0kB free_pcp:1064kB local_pcp:692kB free_cma:0kB
[  436.555541]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  436.559836] lowmem_reserve[]: 0 0 0 0
[  436.564157]  ? lock_downgrade+0x900/0x900
[  436.593192] 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
[  436.598034]  ? trace_hardirqs_off+0xb8/0x310
[  436.601812] Node 0 DMA32: 5*4kB (UM) 2*8kB (MH) 2*16kB (MH) 4*32kB (MH) 3*64kB (M) 2*128kB (M) 4*256kB (UMH) 3*512kB (UM) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24708kB
[  436.605953]  ? trace_hardirqs_off+0xb8/0x310
[  436.619577] Node 0 Normal: 930*4kB (MEH) 535*8kB (UMEH) 215*16kB (UME) 80*32kB (UMH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  436.623983]  __alloc_pages_slowpath+0x26e8/0x2e10
[  436.639478] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  436.643888]  ? warn_alloc+0x120/0x120
[  436.657627] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  436.662456]  ? warn_alloc+0x120/0x120
[  436.671263] 2133 total pagecache pages
[  436.675086]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  436.683654] 0 pages in swap cache
[  436.687453]  ? warn_alloc+0x120/0x120
[  436.691314] Swap cache stats: add 0, delete 0, find 0/0
[  436.696333]  ? print_usage_bug+0xc0/0xc0
[  436.699759] Free swap  = 0kB
[  436.703567]  ? print_usage_bug+0xc0/0xc0
[  436.708906] Total swap = 0kB
[  436.712960]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  436.715954] 1965979 pages RAM
[  436.720028]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  436.723010] 0 pages HighMem/MovableOnly
[  436.723018] 342853 pages reserved
[  436.728198]  ? should_fail+0x22d/0xd01
[  436.731273] 0 pages cma reserved
[  436.731342] aoe: skb alloc failure
[  436.736817]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  436.736833]  ? __lock_acquire+0x62f/0x4c20
[  436.736850]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  436.740832] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  436.744241]  ? should_fail+0x22d/0xd01
[  436.748100] ksoftirqd/0 cpuset=/ mems_allowed=0
[  436.751975]  ? mark_held_locks+0x130/0x130
[  436.792897]  ? mark_held_locks+0x130/0x130
[  436.797129]  ? print_usage_bug+0xc0/0xc0
[  436.801220]  ? find_held_lock+0x36/0x1c0
[  436.805274]  ? zap_class+0x640/0x640
[  436.808993]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.814527]  ? check_preemption_disabled+0x48/0x280
[  436.819562]  ? __lock_is_held+0xb5/0x140
[  436.823627]  __alloc_pages_nodemask+0xa80/0xde0
[  436.828308]  ? zap_class+0x640/0x640
[  436.832034]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  436.837078]  ? find_held_lock+0x36/0x1c0
[  436.841219]  ? ____cache_alloc_node+0x1c7/0x1e0
[  436.845904]  ? lock_downgrade+0x900/0x900
[  436.850064]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.855598]  cache_grow_begin+0xa5/0x8c0
[  436.859648]  ? do_raw_spin_unlock+0xa7/0x330
[  436.864066]  fallback_alloc+0x204/0x2e0
[  436.868074]  ____cache_alloc_node+0x1c7/0x1e0
[  436.872628]  kmem_cache_alloc_node+0xe3/0x730
[  436.877152]  ? mark_held_locks+0xc7/0x130
[  436.881299]  __alloc_skb+0x119/0x770
[  436.885032]  ? netdev_alloc_frag+0x1f0/0x1f0
[  436.889435]  ? do_raw_spin_trylock+0x270/0x270
[  436.894034]  ? kmem_cache_alloc_trace+0x353/0x750
[  436.898888]  ? queue_work_on+0x12c/0x1e0
[  436.902950]  ? switchdev_port_obj_del+0xdc/0x440
[  436.907718]  ? switchdev_trans_item_enqueue+0x260/0x260
[  436.913077]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  436.918106]  __br_mdb_notify+0x4ff/0x15d0
[  436.922264]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  436.927372]  ? __br_mdb_add+0x7f0/0x7f0
[  436.931346]  ? mark_held_locks+0x130/0x130
[  436.935581]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  436.940697]  ? debug_object_assert_init+0x368/0x4b0
[  436.945709]  ? debug_object_init_on_stack+0x20/0x20
[  436.950718]  ? zap_class+0x640/0x640
[  436.954426]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.959964]  br_mdb_notify+0x310/0x410
[  436.963867]  ? br_mdb_dump+0x27b0/0x27b0
[  436.968004]  br_multicast_del_pg+0x3df/0x790
[  436.972454]  ? br_mdb_ip_get+0x940/0x940
[  436.976564]  ? rwlock_bug.part.2+0x90/0x90
[  436.980828]  ? __lock_is_held+0xb5/0x140
[  436.984923]  br_multicast_port_group_expired+0x189/0x1e0
[  436.990387]  call_timer_fn+0x272/0x920
[  436.994267]  ? br_multicast_del_pg+0x790/0x790
[  436.998847]  ? process_timeout+0x40/0x40
[  437.002912]  ? mark_held_locks+0xc7/0x130
[  437.007099]  ? _raw_spin_unlock_irq+0x27/0x80
[  437.011587]  ? _raw_spin_unlock_irq+0x27/0x80
[  437.016087]  ? br_multicast_del_pg+0x790/0x790
[  437.020679]  ? lockdep_hardirqs_on+0x296/0x5b0
[  437.025257]  ? trace_hardirqs_on+0xbd/0x310
[  437.029574]  ? kasan_check_read+0x11/0x20
[  437.033712]  ? __run_timers+0x7da/0xc70
[  437.037681]  ? trace_hardirqs_off_caller+0x310/0x310
[  437.042785]  ? br_multicast_del_pg+0x790/0x790
[  437.047408]  ? br_multicast_del_pg+0x790/0x790
[  437.051989]  __run_timers+0x7e5/0xc70
[  437.055791]  ? timer_fixup_init+0x70/0x70
[  437.059950]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  437.065039]  ? zap_class+0x640/0x640
[  437.068751]  ? print_usage_bug+0xc0/0xc0
[  437.072819]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  437.078033]  ? find_held_lock+0x36/0x1c0
[  437.082117]  ? zap_class+0x640/0x640
[  437.085833]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.091364]  ? check_preemption_disabled+0x48/0x280
[  437.096379]  ? __lock_is_held+0xb5/0x140
[  437.100430]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.106006]  ? check_preemption_disabled+0x48/0x280
[  437.111055]  run_timer_softirq+0x52/0xb0
[  437.115123]  ? rcu_read_lock_sched_held+0x14f/0x180
[  437.120131]  __do_softirq+0x308/0xb7e
[  437.123923]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  437.128409]  ? lock_downgrade+0x900/0x900
[  437.132603]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  437.137711]  ? pvclock_read_flags+0x160/0x160
[  437.142207]  ? lapic_next_event+0x5a/0x90
[  437.146354]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.151903]  ? kvm_clock_read+0x18/0x30
[  437.155879]  ? kvm_sched_clock_read+0x9/0x20
[  437.160284]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.165833]  ? check_preemption_disabled+0x48/0x280
[  437.170853]  irq_exit+0x17f/0x1c0
[  437.174311]  smp_apic_timer_interrupt+0x1cb/0x760
[  437.179145]  ? smp_reschedule_interrupt+0x109/0x650
[  437.184157]  ? smp_call_function_single_interrupt+0x650/0x650
[  437.190065]  ? interrupt_entry+0xb5/0xc0
[  437.194155]  ? trace_hardirqs_off_caller+0xbb/0x310
[  437.199164]  ? trace_hardirqs_off_caller+0xbb/0x310
[  437.204196]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  437.209035]  ? trace_hardirqs_on_caller+0x310/0x310
[  437.214044]  ? trace_hardirqs_on_caller+0x310/0x310
[  437.219056]  ? task_prio+0x50/0x50
[  437.222593]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.228147]  ? check_preemption_disabled+0x48/0x280
[  437.233180]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  437.238053]  apic_timer_interrupt+0xf/0x20
[  437.242279]  </IRQ>
[  437.244519] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  437.249709] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec
[  437.268599] RSP: 0018:ffff8801c2d36100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  437.276300] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100385b2de6
[  437.283561] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c2d96ebc
[  437.290852] RBP: ffff8801c2d36128 R08: ffff8801c2d96f30 R09: 0000000000000006
[  437.298144] R10: 0000000000000000 R11: ffff8801c2d96640 R12: dffffc0000000000
[  437.305436] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  437.312739]  retint_kernel+0x1b/0x2d
[  437.316475] RIP: 0010:dump_stack+0x358/0x39d
[  437.320874] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  437.339781] RSP: 0018:ffff8801c2d361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  437.347482] RAX: ffff8801c2d96640 RBX: 1ffffffff12a3f76 RCX: 1ffff100385b2de6
[  437.354743] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  437.362002] RBP: ffff8801c2d36290 R08: ffff8801c2d96f30 R09: 0000000000000006
[  437.369354] R10: 0000000000000000 R11: ffff8801c2d96640 R12: 1ffff100385a6c45
[  437.376635] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  437.383943]  ? dump_stack+0x34f/0x39d
[  437.387796]  ? dump_stack_print_info.cold.1+0x20/0x20
[  437.392983]  ? mark_held_locks+0x130/0x130
[  437.397231]  ? mark_held_locks+0x130/0x130
[  437.401465]  dump_header+0x27b/0xf72
[  437.405183]  ? pagefault_out_of_memory+0x197/0x197
[  437.410112]  ? __lock_acquire+0x62f/0x4c20
[  437.414357]  ? percpu_ref_get_many+0x240/0x240
[  437.418931]  ? print_usage_bug+0xc0/0xc0
[  437.423015]  ? zap_class+0x640/0x640
[  437.426749]  ? print_usage_bug+0xc0/0xc0
[  437.430795]  ? print_usage_bug+0xc0/0xc0
[  437.434847]  ? zap_class+0x640/0x640
[  437.438556]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.444088]  ? find_held_lock+0x36/0x1c0
[  437.448193]  ? mark_held_locks+0xc7/0x130
[  437.452349]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  437.457442]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  437.462546]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  437.467132]  ? trace_hardirqs_on+0xbd/0x310
[  437.471444]  ? kasan_check_read+0x11/0x20
[  437.475596]  ? ___ratelimit+0x3b4/0x672
[  437.479600]  ? trace_hardirqs_off_caller+0x310/0x310
[  437.484738]  ? trace_hardirqs_on+0x310/0x310
[  437.489138]  ? lock_downgrade+0x900/0x900
[  437.493279]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  437.498415]  ? ___ratelimit+0x3b9/0x672
[  437.502383]  ? idr_get_free+0xf70/0xf70
[  437.506376]  ? find_held_lock+0x36/0x1c0
[  437.510438]  oom_kill_process.cold.27+0x10/0x903
[  437.515184]  ? zap_class+0x640/0x640
[  437.518920]  ? check_preemption_disabled+0x48/0x280
[  437.523960]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  437.528880]  ? kasan_check_read+0x11/0x20
[  437.533029]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  437.538320]  ? oom_evaluate_task+0x540/0x540
[  437.542752]  ? find_held_lock+0x36/0x1c0
[  437.546814]  ? out_of_memory+0x974/0x1430
[  437.550956]  ? lock_downgrade+0x900/0x900
[  437.555113]  ? check_preemption_disabled+0x48/0x280
[  437.560173]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  437.565120]  ? kasan_check_read+0x11/0x20
[  437.569255]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  437.574524]  ? rcu_softirq_qs+0x20/0x20
[  437.578538]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  437.584081]  ? oom_evaluate_task+0x302/0x540
[  437.588497]  out_of_memory+0xa84/0x1430
[  437.592468]  ? oom_killer_disable+0x3a0/0x3a0
[  437.596967]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  437.601886]  ? __ww_mutex_check_waiters+0x160/0x160
[  437.606902]  __alloc_pages_slowpath+0x2354/0x2e10
[  437.611764]  ? warn_alloc+0x120/0x120
[  437.615572]  ? mark_held_locks+0x130/0x130
[  437.619830]  ? find_get_entry+0xaae/0x1120
[  437.624080]  ? filemap_map_pages+0x1a20/0x1a20
[  437.628689]  ? zap_class+0x640/0x640
[  437.632409]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.637970]  ? check_preemption_disabled+0x48/0x280
[  437.643050]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  437.648577]  ? should_fail+0x22d/0xd01
[  437.652457]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  437.657581]  ? zap_class+0x640/0x640
[  437.661329]  ? __lock_is_held+0xb5/0x140
[  437.665386]  ? mark_held_locks+0x130/0x130
[  437.669649]  ? lock_release+0xa00/0xa00
[  437.673629]  ? perf_trace_sched_process_exec+0x860/0x860
[  437.679088]  ? xa_load+0x2ba/0x460
[  437.682634]  ? lock_downgrade+0x900/0x900
[  437.686789]  ? __might_sleep+0x95/0x190
[  437.690776]  __alloc_pages_nodemask+0xa80/0xde0
[  437.695463]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  437.700471]  ? __page_cache_alloc+0x191/0x5c0
[  437.704952]  ? xa_load+0x2e1/0x460
[  437.708495]  ? xa_clear_mark+0x40/0x40
[  437.712422]  ? zap_class+0x640/0x640
[  437.716129]  ? zap_class+0x640/0x640
[  437.719829]  ? zap_class+0x640/0x640
[  437.723553]  ? __do_page_cache_readahead+0x663/0x810
[  437.728666]  ? find_held_lock+0x36/0x1c0
[  437.732720]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  437.738272]  alloc_pages_current+0x173/0x350
[  437.742702]  __page_cache_alloc+0x38c/0x5c0
[  437.747033]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  437.751955]  ? kasan_check_read+0x11/0x20
[  437.756099]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  437.761375]  ? generic_perform_write+0x6a0/0x6a0
[  437.766143]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  437.771672]  ? check_preemption_disabled+0x48/0x280
[  437.776683]  filemap_fault+0x1595/0x25f0
[  437.780773]  ? __lock_page_or_retry+0xa00/0xa00
[  437.785434]  ? mark_held_locks+0x130/0x130
[  437.789705]  ? filemap_map_pages+0xd6b/0x1a20
[  437.794236]  ? lock_downgrade+0x900/0x900
[  437.798395]  ? check_preemption_disabled+0x48/0x280
[  437.803433]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  437.808382]  ? kasan_check_read+0x11/0x20
[  437.812518]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  437.817804]  ? rcu_softirq_qs+0x20/0x20
[  437.821798]  ? filemap_map_pages+0xd92/0x1a20
[  437.826304]  ? find_get_entries_tag+0x1400/0x1400
[  437.831167]  ? find_held_lock+0x36/0x1c0
[  437.835234]  ? lock_acquire+0x1ed/0x520
[  437.839201]  ? ext4_filemap_fault+0x7a/0xad
[  437.843539]  ? lock_release+0xa00/0xa00
[  437.847509]  ? perf_trace_sched_process_exec+0x860/0x860
[  437.852959]  ? print_usage_bug+0xc0/0xc0
[  437.857027]  ? down_read+0x8d/0x120
[  437.860663]  ? ext4_filemap_fault+0x7a/0xad
[  437.865020]  ? __down_interruptible+0x700/0x700
[  437.869702]  ? find_held_lock+0x36/0x1c0
[  437.873778]  ext4_filemap_fault+0x82/0xad
[  437.877946]  __do_fault+0x100/0x6b0
[  437.881628]  ? lock_downgrade+0x900/0x900
[  437.885784]  ? pmd_devmap_trans_unstable+0x220/0x220
[  437.890909]  ? kasan_check_read+0x11/0x20
[  437.895052]  ? do_raw_spin_unlock+0xa7/0x330
[  437.899454]  ? do_raw_spin_trylock+0x270/0x270
[  437.904060]  __handle_mm_fault+0x3ea0/0x5be0
[  437.908492]  ? perf_trace_lock+0x7a0/0x7a0
[  437.912729]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  437.917591]  ? zap_class+0x640/0x640
[  437.921304]  ? zap_class+0x640/0x640
[  437.925029]  ? __x64_sys_futex+0x53e/0x6a0
[  437.929260]  ? find_held_lock+0x36/0x1c0
[  437.933322]  ? handle_mm_fault+0x42a/0xc70
[  437.937554]  ? lock_downgrade+0x900/0x900
[  437.941696]  ? check_preemption_disabled+0x48/0x280
[  437.946707]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  437.951646]  ? kasan_check_read+0x11/0x20
[  437.955783]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  437.961063]  ? rcu_softirq_qs+0x20/0x20
[  437.965028]  ? trace_hardirqs_off_caller+0x310/0x310
[  437.970168]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  437.975700]  ? check_preemption_disabled+0x48/0x280
[  437.980714]  handle_mm_fault+0x54f/0xc70
[  437.984769]  ? __handle_mm_fault+0x5be0/0x5be0
[  437.989343]  ? find_vma+0x34/0x190
[  437.992876]  __do_page_fault+0x5e8/0xe60
[  437.996935]  ? trace_hardirqs_off+0xb8/0x310
[  438.001336]  ? kernel_write+0x120/0x120
[  438.005314]  do_page_fault+0xf2/0x7e0
[  438.009120]  ? vmalloc_sync_all+0x30/0x30
[  438.013262]  ? error_entry+0x70/0xd0
[  438.016966]  ? trace_hardirqs_off_caller+0xbb/0x310
[  438.021969]  ? trace_hardirqs_on_caller+0xc0/0x310
[  438.026904]  ? syscall_return_slowpath+0x5e0/0x5e0
[  438.031839]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  438.036706]  ? trace_hardirqs_on_caller+0x310/0x310
[  438.041713]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  438.047155]  ? prepare_exit_to_usermode+0x291/0x3b0
[  438.052215]  ? page_fault+0x8/0x30
[  438.055763]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  438.060629]  ? page_fault+0x8/0x30
[  438.064190]  page_fault+0x1e/0x30
[  438.067663] RIP: 0033:0x404068
[  438.070917] Code: Bad RIP value.
[  438.074269] RSP: 002b:000000c420024e48 EFLAGS: 00010206
[  438.079723] RAX: 000000c422dd4cc0 RBX: 000000c42875f801 RCX: 000000c424d31838
[  438.086991] RDX: 000000c422dd4cc0 RSI: 0000000000000001 RDI: 0000000000000001
[  438.094252] RBP: 000000c420024ed8 R08: 00007ffd3a9b40b0 R09: 00007ffd3a9b4080
[  438.101516] R10: 000000000000eacc R11: 0000000000000165 R12: 0000000000000001
[  438.108782] R13: 000000c4271c3620 R14: 0000000000000001 R15: 0000000000000000
[  438.116075] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #83
[  438.116254] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  438.122872] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  438.133073] syz-fuzzer cpuset=/ mems_allowed=0
[  438.142418] Call Trace:
[  438.149552]  dump_stack+0x244/0x39d
[  438.153204]  ? dump_stack_print_info.cold.1+0x20/0x20
[  438.158393]  warn_alloc.cold.116+0xb7/0x1bd
[  438.162722]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  438.167566]  ? lock_downgrade+0x900/0x900
[  438.171724]  ? trace_hardirqs_off+0xb8/0x310
[  438.176129]  ? trace_hardirqs_off+0xb8/0x310
[  438.180540]  __alloc_pages_slowpath+0x26e8/0x2e10
[  438.185454]  ? warn_alloc+0x120/0x120
[  438.189251]  ? warn_alloc+0x120/0x120
[  438.193044]  ? warn_alloc+0x120/0x120
[  438.196870]  ? print_usage_bug+0xc0/0xc0
[  438.200945]  ? print_usage_bug+0xc0/0xc0
[  438.205018]  ? mark_held_locks+0x130/0x130
[  438.209275]  ? mark_held_locks+0x130/0x130
[  438.213539]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  438.219069]  ? should_fail+0x22d/0xd01
[  438.222943]  ? zap_class+0x640/0x640
[  438.226653]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  438.231770]  ? __lock_acquire+0x62f/0x4c20
[  438.236058]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  438.241169]  ? __lock_acquire+0x62f/0x4c20
[  438.245411]  ? should_fail+0x22d/0xd01
[  438.249297]  ? mark_held_locks+0x130/0x130
[  438.253528]  ? mark_held_locks+0x130/0x130
[  438.257776]  ? lock_downgrade+0x900/0x900
[  438.261925]  ? zap_class+0x640/0x640
[  438.265635]  ? zap_class+0x640/0x640
[  438.269362]  ? zap_class+0x640/0x640
[  438.273096]  ? do_raw_spin_unlock+0xa7/0x330
[  438.277499]  ? trace_hardirqs_on+0x310/0x310
[  438.281918]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.287465]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.293053]  ? check_preemption_disabled+0x48/0x280
[  438.298123]  ? __lock_is_held+0xb5/0x140
[  438.302181]  __alloc_pages_nodemask+0xa80/0xde0
[  438.306840]  ? zap_class+0x640/0x640
[  438.310556]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  438.315574]  ? find_held_lock+0x36/0x1c0
[  438.319630]  ? ____cache_alloc_node+0x1c7/0x1e0
[  438.324292]  ? lock_downgrade+0x900/0x900
[  438.328433]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.333962]  cache_grow_begin+0xa5/0x8c0
[  438.338017]  ? do_raw_spin_unlock+0xa7/0x330
[  438.342438]  fallback_alloc+0x204/0x2e0
[  438.346408]  ____cache_alloc_node+0x1c7/0x1e0
[  438.350909]  kmem_cache_alloc_node+0xe3/0x730
[  438.355395]  ? lockdep_hardirqs_on+0x296/0x5b0
[  438.360005]  __alloc_skb+0x119/0x770
[  438.363707]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  438.369080]  ? netdev_alloc_frag+0x1f0/0x1f0
[  438.373486]  ? vprintk_default+0x28/0x30
[  438.377541]  ? vprintk_func+0x85/0x181
[  438.381452]  ? printk+0xa7/0xcf
[  438.384742]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  438.389490]  ? do_raw_spin_trylock+0x270/0x270
[  438.394081]  new_skb+0x26/0x1c0
[  438.397388]  aoecmd_cfg+0x279/0x7f0
[  438.401019]  ? find_held_lock+0x36/0x1c0
[  438.405089]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  438.409422]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.414957]  ? __lock_is_held+0xb5/0x140
[  438.419023]  discover_timer+0x50/0x60
[  438.422826]  call_timer_fn+0x272/0x920
[  438.426717]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  438.431552]  ? process_timeout+0x40/0x40
[  438.435625]  ? __run_timers+0x7da/0xc70
[  438.439618]  ? _raw_spin_unlock_irq+0x27/0x80
[  438.444148]  ? _raw_spin_unlock_irq+0x27/0x80
[  438.448635]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  438.453500]  ? lockdep_hardirqs_on+0x296/0x5b0
[  438.458126]  ? trace_hardirqs_on+0xbd/0x310
[  438.462439]  ? kasan_check_read+0x11/0x20
[  438.466576]  ? __run_timers+0x7da/0xc70
[  438.470549]  ? trace_hardirqs_off_caller+0x310/0x310
[  438.475653]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  438.480485]  __run_timers+0x7e5/0xc70
[  438.484281]  ? timer_fixup_init+0x70/0x70
[  438.488417]  ? _raw_spin_unlock_irq+0x27/0x80
[  438.492900]  ? _raw_spin_unlock_irq+0x27/0x80
[  438.497388]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  438.501963]  ? trace_hardirqs_on+0xbd/0x310
[  438.506306]  ? kasan_check_read+0x11/0x20
[  438.510465]  ? finish_task_switch+0x1f4/0x910
[  438.514965]  ? trace_hardirqs_off_caller+0x310/0x310
[  438.520063]  ? compat_start_thread+0x80/0x80
[  438.524519]  ? pvclock_read_flags+0x160/0x160
[  438.529015]  ? __switch_to_asm+0x34/0x70
[  438.533068]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.538599]  ? check_preemption_disabled+0x48/0x280
[  438.543633]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  438.549209]  ? rcu_pm_notify+0xc0/0xc0
[  438.553120]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.558666]  ? check_preemption_disabled+0x48/0x280
[  438.563677]  run_timer_softirq+0x52/0xb0
[  438.567730]  ? rcu_read_lock_sched_held+0x14f/0x180
[  438.572753]  __do_softirq+0x308/0xb7e
[  438.576554]  ? trace_hardirqs_on_caller+0xc0/0x310
[  438.581478]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  438.586586]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  438.592031]  ? schedule+0x108/0x460
[  438.595657]  ? trace_hardirqs_off+0xb8/0x310
[  438.600068]  ? smpboot_thread_fn+0x68b/0xa00
[  438.604483]  ? trace_hardirqs_on+0x310/0x310
[  438.608926]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  438.614455]  ? check_preemption_disabled+0x48/0x280
[  438.619595]  ? takeover_tasklets+0xa90/0xa90
[  438.623996]  run_ksoftirqd+0x5e/0x100
[  438.627812]  smpboot_thread_fn+0x68b/0xa00
[  438.632062]  ? sort_range+0x30/0x30
[  438.635693]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  438.640787]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  438.646324]  ? __kthread_parkme+0xfb/0x1a0
[  438.650555]  ? sort_range+0x30/0x30
[  438.654202]  kthread+0x35a/0x440
[  438.657565]  ? kthread_stop+0x900/0x900
[  438.661542]  ret_from_fork+0x3a/0x50
[  438.665279] CPU: 1 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  438.665283] warn_alloc_show_mem: 1 callbacks suppressed
[  438.665304] Mem-Info:
[  438.665330] active_anon:44321 inactive_anon:2061 isolated_anon:0
[  438.665330]  active_file:14 inactive_file:14 isolated_file:0
[  438.665330]  unevictable:0 dirty:0 writeback:0 unstable:0
[  438.665330]  slab_reclaimable:9437 slab_unreclaimable:1460937
[  438.665330]  mapped:49154 shmem:2105 pagetables:642 bounce:0
[  438.665330]  free:13638 free_pcp:328 free_cma:0
[  438.672222] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  438.677579] Node 0 active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8420kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  438.679968] Call Trace:
[  438.712995] 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
[  438.722328]  <IRQ>
[  438.749906] lowmem_reserve[]: 0 2818 6321 6321
[  438.753035]  dump_stack+0x244/0x39d
[  438.779148] Node 0 DMA32 free:24708kB 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
[  438.781324]  ? dump_stack_print_info.cold.1+0x20/0x20
[  438.785908] lowmem_reserve[]: 0 0 3503 3503
[  438.789525]  warn_alloc.cold.116+0xb7/0x1bd
[  438.816988] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2568kB bounce:0kB free_pcp:1064kB local_pcp:692kB free_cma:0kB
[  438.822179]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  438.826470] lowmem_reserve[]: 0 0 0 0
[  438.830793]  ? lock_downgrade+0x900/0x900
[  438.859829] 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
[  438.864689]  ? trace_hardirqs_off+0xb8/0x310
[  438.868455] Node 0 DMA32: 5*4kB (UM) 2*8kB (MH) 2*16kB (MH) 4*32kB (MH) 3*64kB (M) 2*128kB (M) 4*256kB (UMH) 3*512kB (UM) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24708kB
[  438.872619]  ? trace_hardirqs_off+0xb8/0x310
[  438.886155] Node 0 Normal: 930*4kB (MEH) 535*8kB (UMEH) 215*16kB (UME) 80*32kB (UMH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  438.890622]  __alloc_pages_slowpath+0x26e8/0x2e10
[  438.906139] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  438.910554]  ? warn_alloc+0x120/0x120
[  438.924310] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  438.929149]  ? warn_alloc+0x120/0x120
[  438.937952] 2133 total pagecache pages
[  438.941739]  ? warn_alloc+0x120/0x120
[  438.950321] 0 pages in swap cache
[  438.954122]  ? print_usage_bug+0xc0/0xc0
[  438.957993] Swap cache stats: add 0, delete 0, find 0/0
[  438.961774]  ? print_usage_bug+0xc0/0xc0
[  438.965193] Free swap  = 0kB
[  438.969234]  ? mark_held_locks+0x130/0x130
[  438.974564] Total swap = 0kB
[  438.978608]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  438.981597] 1965979 pages RAM
[  438.985813]  ? should_fail+0x22d/0xd01
[  438.988815] 0 pages HighMem/MovableOnly
[  438.994338]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  438.997413] 342853 pages reserved
[  439.001332]  ? __lock_acquire+0x62f/0x4c20
[  439.005297] 0 pages cma reserved
[  439.005363] aoe: skb alloc failure
[  439.010411]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  439.013893] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  439.018065]  ? should_fail+0x22d/0xd01
[  439.021402] ksoftirqd/0 cpuset=/ mems_allowed=0
[  439.024931]  ? mark_held_locks+0x130/0x130
[  439.053013]  ? mark_held_locks+0x130/0x130
[  439.057241]  ? print_usage_bug+0xc0/0xc0
[  439.061293]  ? find_held_lock+0x36/0x1c0
[  439.065347]  ? zap_class+0x640/0x640
[  439.069055]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.074581]  ? check_preemption_disabled+0x48/0x280
[  439.079597]  ? __lock_is_held+0xb5/0x140
[  439.083666]  __alloc_pages_nodemask+0xa80/0xde0
[  439.088327]  ? zap_class+0x640/0x640
[  439.092033]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  439.097061]  ? find_held_lock+0x36/0x1c0
[  439.101119]  ? ____cache_alloc_node+0x1c7/0x1e0
[  439.105794]  ? lock_downgrade+0x900/0x900
[  439.109972]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.115542]  cache_grow_begin+0xa5/0x8c0
[  439.119611]  ? do_raw_spin_unlock+0xa7/0x330
[  439.124051]  fallback_alloc+0x204/0x2e0
[  439.128023]  ____cache_alloc_node+0x1c7/0x1e0
[  439.132539]  kmem_cache_alloc_node+0xe3/0x730
[  439.137028]  ? mark_held_locks+0xc7/0x130
[  439.141208]  __alloc_skb+0x119/0x770
[  439.144918]  ? netdev_alloc_frag+0x1f0/0x1f0
[  439.149316]  ? do_raw_spin_trylock+0x270/0x270
[  439.153893]  ? kmem_cache_alloc_trace+0x353/0x750
[  439.158735]  ? queue_work_on+0x12c/0x1e0
[  439.162795]  ? switchdev_port_obj_del+0xdc/0x440
[  439.167582]  ? switchdev_trans_item_enqueue+0x260/0x260
[  439.172954]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  439.177985]  __br_mdb_notify+0x4ff/0x15d0
[  439.182138]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  439.187256]  ? __br_mdb_add+0x7f0/0x7f0
[  439.191223]  ? mark_held_locks+0x130/0x130
[  439.195458]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  439.200575]  ? debug_object_assert_init+0x368/0x4b0
[  439.205603]  ? debug_object_init_on_stack+0x20/0x20
[  439.210609]  ? zap_class+0x640/0x640
[  439.214318]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.219852]  br_mdb_notify+0x310/0x410
[  439.223737]  ? br_mdb_dump+0x27b0/0x27b0
[  439.227915]  br_multicast_del_pg+0x3df/0x790
[  439.232344]  ? br_mdb_ip_get+0x940/0x940
[  439.236399]  ? rwlock_bug.part.2+0x90/0x90
[  439.240646]  ? __lock_is_held+0xb5/0x140
[  439.244728]  br_multicast_port_group_expired+0x189/0x1e0
[  439.250174]  call_timer_fn+0x272/0x920
[  439.254069]  ? br_multicast_del_pg+0x790/0x790
[  439.258640]  ? process_timeout+0x40/0x40
[  439.262710]  ? mark_held_locks+0xc7/0x130
[  439.266864]  ? _raw_spin_unlock_irq+0x27/0x80
[  439.271352]  ? _raw_spin_unlock_irq+0x27/0x80
[  439.275853]  ? br_multicast_del_pg+0x790/0x790
[  439.280632]  ? lockdep_hardirqs_on+0x296/0x5b0
[  439.285219]  ? trace_hardirqs_on+0xbd/0x310
[  439.289529]  ? kasan_check_read+0x11/0x20
[  439.293693]  ? __run_timers+0x7da/0xc70
[  439.297665]  ? trace_hardirqs_off_caller+0x310/0x310
[  439.302804]  ? br_multicast_del_pg+0x790/0x790
[  439.307424]  ? br_multicast_del_pg+0x790/0x790
[  439.312008]  __run_timers+0x7e5/0xc70
[  439.315831]  ? timer_fixup_init+0x70/0x70
[  439.319986]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  439.324993]  ? zap_class+0x640/0x640
[  439.328705]  ? print_usage_bug+0xc0/0xc0
[  439.332758]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  439.337945]  ? find_held_lock+0x36/0x1c0
[  439.342034]  ? zap_class+0x640/0x640
[  439.345777]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.351341]  ? check_preemption_disabled+0x48/0x280
[  439.356393]  ? __lock_is_held+0xb5/0x140
[  439.360451]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.365983]  ? check_preemption_disabled+0x48/0x280
[  439.371015]  run_timer_softirq+0x52/0xb0
[  439.375093]  ? rcu_read_lock_sched_held+0x14f/0x180
[  439.380119]  __do_softirq+0x308/0xb7e
[  439.383915]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  439.388401]  ? lock_downgrade+0x900/0x900
[  439.392554]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  439.397670]  ? pvclock_read_flags+0x160/0x160
[  439.402212]  ? lapic_next_event+0x5a/0x90
[  439.406352]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.411902]  ? kvm_clock_read+0x18/0x30
[  439.415896]  ? kvm_sched_clock_read+0x9/0x20
[  439.420329]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.425903]  ? check_preemption_disabled+0x48/0x280
[  439.430917]  irq_exit+0x17f/0x1c0
[  439.434370]  smp_apic_timer_interrupt+0x1cb/0x760
[  439.439219]  ? smp_reschedule_interrupt+0x109/0x650
[  439.444239]  ? smp_call_function_single_interrupt+0x650/0x650
[  439.450117]  ? interrupt_entry+0xb5/0xc0
[  439.454174]  ? trace_hardirqs_off_caller+0xbb/0x310
[  439.459201]  ? trace_hardirqs_off_caller+0xbb/0x310
[  439.464225]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  439.469063]  ? trace_hardirqs_on_caller+0x310/0x310
[  439.474069]  ? trace_hardirqs_on_caller+0x310/0x310
[  439.479076]  ? task_prio+0x50/0x50
[  439.482623]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.488161]  ? check_preemption_disabled+0x48/0x280
[  439.493181]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  439.498042]  apic_timer_interrupt+0xf/0x20
[  439.502261]  </IRQ>
[  439.504494] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  439.509726] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec
[  439.528618] RSP: 0018:ffff8801c2d36100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  439.536315] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100385b2de6
[  439.543587] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c2d96ebc
[  439.550842] RBP: ffff8801c2d36128 R08: ffff8801c2d96f30 R09: 0000000000000006
[  439.558099] R10: 0000000000000000 R11: ffff8801c2d96640 R12: dffffc0000000000
[  439.565385] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  439.572715]  retint_kernel+0x1b/0x2d
[  439.576449] RIP: 0010:dump_stack+0x358/0x39d
[  439.580876] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  439.599804] RSP: 0018:ffff8801c2d361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  439.607512] RAX: ffff8801c2d96640 RBX: 1ffffffff12a3f76 RCX: 1ffff100385b2de6
[  439.614777] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  439.622051] RBP: ffff8801c2d36290 R08: ffff8801c2d96f30 R09: 0000000000000006
[  439.629356] R10: 0000000000000000 R11: ffff8801c2d96640 R12: 1ffff100385a6c45
[  439.636612] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  439.643883]  ? dump_stack+0x34f/0x39d
[  439.647701]  ? dump_stack_print_info.cold.1+0x20/0x20
[  439.652901]  ? mark_held_locks+0x130/0x130
[  439.657159]  ? mark_held_locks+0x130/0x130
[  439.661390]  dump_header+0x27b/0xf72
[  439.665135]  ? pagefault_out_of_memory+0x197/0x197
[  439.670062]  ? __lock_acquire+0x62f/0x4c20
[  439.674291]  ? percpu_ref_get_many+0x240/0x240
[  439.678888]  ? print_usage_bug+0xc0/0xc0
[  439.682958]  ? zap_class+0x640/0x640
[  439.686682]  ? print_usage_bug+0xc0/0xc0
[  439.690733]  ? print_usage_bug+0xc0/0xc0
[  439.694788]  ? zap_class+0x640/0x640
[  439.698525]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.704065]  ? find_held_lock+0x36/0x1c0
[  439.708164]  ? mark_held_locks+0xc7/0x130
[  439.712341]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  439.717431]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  439.722528]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  439.727145]  ? trace_hardirqs_on+0xbd/0x310
[  439.731473]  ? kasan_check_read+0x11/0x20
[  439.735613]  ? ___ratelimit+0x3b4/0x672
[  439.739604]  ? trace_hardirqs_off_caller+0x310/0x310
[  439.744720]  ? trace_hardirqs_on+0x310/0x310
[  439.749146]  ? lock_downgrade+0x900/0x900
[  439.753318]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  439.758426]  ? ___ratelimit+0x3b9/0x672
[  439.762431]  ? idr_get_free+0xf70/0xf70
[  439.766420]  ? find_held_lock+0x36/0x1c0
[  439.770491]  oom_kill_process.cold.27+0x10/0x903
[  439.775247]  ? zap_class+0x640/0x640
[  439.778964]  ? check_preemption_disabled+0x48/0x280
[  439.783987]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  439.788919]  ? kasan_check_read+0x11/0x20
[  439.793067]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  439.798357]  ? oom_evaluate_task+0x540/0x540
[  439.802861]  ? find_held_lock+0x36/0x1c0
[  439.806930]  ? out_of_memory+0x974/0x1430
[  439.811079]  ? lock_downgrade+0x900/0x900
[  439.815229]  ? check_preemption_disabled+0x48/0x280
[  439.820287]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  439.825221]  ? kasan_check_read+0x11/0x20
[  439.829383]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  439.834663]  ? rcu_softirq_qs+0x20/0x20
[  439.838642]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  439.844177]  ? oom_evaluate_task+0x302/0x540
[  439.848591]  out_of_memory+0xa84/0x1430
[  439.852586]  ? oom_killer_disable+0x3a0/0x3a0
[  439.857099]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  439.862032]  ? __ww_mutex_check_waiters+0x160/0x160
[  439.867062]  __alloc_pages_slowpath+0x2354/0x2e10
[  439.871938]  ? warn_alloc+0x120/0x120
[  439.875738]  ? mark_held_locks+0x130/0x130
[  439.879981]  ? find_get_entry+0xaae/0x1120
[  439.884225]  ? filemap_map_pages+0x1a20/0x1a20
[  439.888818]  ? zap_class+0x640/0x640
[  439.892550]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.898090]  ? check_preemption_disabled+0x48/0x280
[  439.903111]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  439.908654]  ? should_fail+0x22d/0xd01
[  439.912554]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  439.917664]  ? zap_class+0x640/0x640
[  439.921418]  ? __lock_is_held+0xb5/0x140
[  439.925488]  ? mark_held_locks+0x130/0x130
[  439.929727]  ? lock_release+0xa00/0xa00
[  439.933723]  ? perf_trace_sched_process_exec+0x860/0x860
[  439.939175]  ? xa_load+0x2ba/0x460
[  439.942720]  ? lock_downgrade+0x900/0x900
[  439.946889]  ? __might_sleep+0x95/0x190
[  439.950884]  __alloc_pages_nodemask+0xa80/0xde0
[  439.955569]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  439.960592]  ? __page_cache_alloc+0x191/0x5c0
[  439.965087]  ? xa_load+0x2e1/0x460
[  439.968631]  ? xa_clear_mark+0x40/0x40
[  439.972547]  ? zap_class+0x640/0x640
[  439.976285]  ? zap_class+0x640/0x640
[  439.980008]  ? zap_class+0x640/0x640
[  439.983720]  ? __do_page_cache_readahead+0x663/0x810
[  439.988839]  ? find_held_lock+0x36/0x1c0
[  439.992899]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  439.998440]  alloc_pages_current+0x173/0x350
[  440.002851]  __page_cache_alloc+0x38c/0x5c0
[  440.007198]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  440.012128]  ? kasan_check_read+0x11/0x20
[  440.016274]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  440.021556]  ? generic_perform_write+0x6a0/0x6a0
[  440.026313]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  440.031847]  ? check_preemption_disabled+0x48/0x280
[  440.036867]  filemap_fault+0x1595/0x25f0
[  440.040948]  ? __lock_page_or_retry+0xa00/0xa00
[  440.045627]  ? mark_held_locks+0x130/0x130
[  440.049879]  ? filemap_map_pages+0xd6b/0x1a20
[  440.054367]  ? lock_downgrade+0x900/0x900
[  440.058506]  ? check_preemption_disabled+0x48/0x280
[  440.063549]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  440.068475]  ? kasan_check_read+0x11/0x20
[  440.072616]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  440.077889]  ? rcu_softirq_qs+0x20/0x20
[  440.081876]  ? filemap_map_pages+0xd92/0x1a20
[  440.086378]  ? find_get_entries_tag+0x1400/0x1400
[  440.091207]  ? find_held_lock+0x36/0x1c0
[  440.095274]  ? lock_acquire+0x1ed/0x520
[  440.099244]  ? ext4_filemap_fault+0x7a/0xad
[  440.103599]  ? lock_release+0xa00/0xa00
[  440.107598]  ? perf_trace_sched_process_exec+0x860/0x860
[  440.113055]  ? print_usage_bug+0xc0/0xc0
[  440.117181]  ? down_read+0x8d/0x120
[  440.120821]  ? ext4_filemap_fault+0x7a/0xad
[  440.125146]  ? __down_interruptible+0x700/0x700
[  440.129829]  ? find_held_lock+0x36/0x1c0
[  440.133899]  ext4_filemap_fault+0x82/0xad
[  440.138570]  __do_fault+0x100/0x6b0
[  440.142234]  ? lock_downgrade+0x900/0x900
[  440.146382]  ? pmd_devmap_trans_unstable+0x220/0x220
[  440.151491]  ? kasan_check_read+0x11/0x20
[  440.155638]  ? do_raw_spin_unlock+0xa7/0x330
[  440.160038]  ? do_raw_spin_trylock+0x270/0x270
[  440.164624]  __handle_mm_fault+0x3ea0/0x5be0
[  440.169024]  ? perf_trace_lock+0x7a0/0x7a0
[  440.173275]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  440.178167]  ? zap_class+0x640/0x640
[  440.181869]  ? zap_class+0x640/0x640
[  440.185599]  ? __x64_sys_futex+0x53e/0x6a0
[  440.189832]  ? find_held_lock+0x36/0x1c0
[  440.193913]  ? handle_mm_fault+0x42a/0xc70
[  440.198180]  ? lock_downgrade+0x900/0x900
[  440.202352]  ? check_preemption_disabled+0x48/0x280
[  440.207360]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  440.212315]  ? kasan_check_read+0x11/0x20
[  440.216499]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  440.221766]  ? rcu_softirq_qs+0x20/0x20
[  440.225733]  ? trace_hardirqs_off_caller+0x310/0x310
[  440.230826]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  440.236365]  ? check_preemption_disabled+0x48/0x280
[  440.241404]  handle_mm_fault+0x54f/0xc70
[  440.245488]  ? __handle_mm_fault+0x5be0/0x5be0
[  440.250091]  ? find_vma+0x34/0x190
[  440.253642]  __do_page_fault+0x5e8/0xe60
[  440.257711]  ? trace_hardirqs_off+0xb8/0x310
[  440.262173]  ? kernel_write+0x120/0x120
[  440.266164]  do_page_fault+0xf2/0x7e0
[  440.269964]  ? vmalloc_sync_all+0x30/0x30
[  440.274108]  ? error_entry+0x70/0xd0
[  440.277830]  ? trace_hardirqs_off_caller+0xbb/0x310
[  440.282843]  ? trace_hardirqs_on_caller+0xc0/0x310
[  440.287769]  ? syscall_return_slowpath+0x5e0/0x5e0
[  440.292690]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  440.297530]  ? trace_hardirqs_on_caller+0x310/0x310
[  440.302554]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  440.308005]  ? prepare_exit_to_usermode+0x291/0x3b0
[  440.313044]  ? page_fault+0x8/0x30
[  440.316604]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  440.321444]  ? page_fault+0x8/0x30
[  440.324979]  page_fault+0x1e/0x30
[  440.328428] RIP: 0033:0x404068
[  440.331623] Code: Bad RIP value.
[  440.334981] RSP: 002b:000000c420024e48 EFLAGS: 00010206
[  440.340380] RAX: 000000c422dd4cc0 RBX: 000000c42875f801 RCX: 000000c424d31838
[  440.347642] RDX: 000000c422dd4cc0 RSI: 0000000000000001 RDI: 0000000000000001
[  440.354906] RBP: 000000c420024ed8 R08: 00007ffd3a9b40b0 R09: 00007ffd3a9b4080
[  440.362181] R10: 000000000000eacc R11: 0000000000000165 R12: 0000000000000001
[  440.369440] R13: 000000c4271c3620 R14: 0000000000000001 R15: 0000000000000000
[  440.376736] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #83
[  440.376901] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  440.383518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  440.393725] syz-fuzzer cpuset=/ mems_allowed=0
[  440.403070] Call Trace:
[  440.410201]  dump_stack+0x244/0x39d
[  440.413853]  ? dump_stack_print_info.cold.1+0x20/0x20
[  440.419040]  warn_alloc.cold.116+0xb7/0x1bd
[  440.423351]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  440.428202]  ? lock_downgrade+0x900/0x900
[  440.432387]  ? trace_hardirqs_off+0xb8/0x310
[  440.436809]  ? trace_hardirqs_off+0xb8/0x310
[  440.441216]  __alloc_pages_slowpath+0x26e8/0x2e10
[  440.446071]  ? warn_alloc+0x120/0x120
[  440.449865]  ? warn_alloc+0x120/0x120
[  440.453656]  ? warn_alloc+0x120/0x120
[  440.457457]  ? print_usage_bug+0xc0/0xc0
[  440.461561]  ? print_usage_bug+0xc0/0xc0
[  440.465645]  ? mark_held_locks+0x130/0x130
[  440.469888]  ? mark_held_locks+0x130/0x130
[  440.474130]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  440.479661]  ? should_fail+0x22d/0xd01
[  440.483543]  ? zap_class+0x640/0x640
[  440.487264]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  440.492390]  ? __lock_acquire+0x62f/0x4c20
[  440.496632]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  440.501724]  ? __lock_acquire+0x62f/0x4c20
[  440.505959]  ? should_fail+0x22d/0xd01
[  440.509841]  ? mark_held_locks+0x130/0x130
[  440.514068]  ? mark_held_locks+0x130/0x130
[  440.518318]  ? lock_downgrade+0x900/0x900
[  440.522453]  ? zap_class+0x640/0x640
[  440.526157]  ? zap_class+0x640/0x640
[  440.529858]  ? do_raw_spin_unlock+0xa7/0x330
[  440.534295]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  440.539044]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.544582]  ? check_preemption_disabled+0x48/0x280
[  440.549598]  ? __lock_is_held+0xb5/0x140
[  440.553667]  __alloc_pages_nodemask+0xa80/0xde0
[  440.558325]  ? zap_class+0x640/0x640
[  440.562062]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  440.567080]  ? find_held_lock+0x36/0x1c0
[  440.571201]  ? ____cache_alloc_node+0x1c7/0x1e0
[  440.575921]  ? lock_downgrade+0x900/0x900
[  440.580072]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.585607]  cache_grow_begin+0xa5/0x8c0
[  440.589670]  ? do_raw_spin_unlock+0xa7/0x330
[  440.594098]  fallback_alloc+0x204/0x2e0
[  440.598100]  ____cache_alloc_node+0x1c7/0x1e0
[  440.602593]  kmem_cache_alloc_node+0xe3/0x730
[  440.607118]  ? lockdep_hardirqs_on+0x296/0x5b0
[  440.611749]  __alloc_skb+0x119/0x770
[  440.615450]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  440.620994]  ? netdev_alloc_frag+0x1f0/0x1f0
[  440.625404]  ? vprintk_default+0x28/0x30
[  440.629460]  ? vprintk_func+0x85/0x181
[  440.633377]  ? printk+0xa7/0xcf
[  440.636649]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  440.641399]  ? do_raw_spin_trylock+0x270/0x270
[  440.645977]  new_skb+0x26/0x1c0
[  440.649247]  aoecmd_cfg+0x279/0x7f0
[  440.652895]  ? find_held_lock+0x36/0x1c0
[  440.656949]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  440.661267]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.666823]  ? __lock_is_held+0xb5/0x140
[  440.670886]  discover_timer+0x50/0x60
[  440.674685]  call_timer_fn+0x272/0x920
[  440.678593]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  440.683437]  ? process_timeout+0x40/0x40
[  440.687499]  ? __run_timers+0x7da/0xc70
[  440.691467]  ? _raw_spin_unlock_irq+0x27/0x80
[  440.695950]  ? _raw_spin_unlock_irq+0x27/0x80
[  440.700470]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  440.705306]  ? lockdep_hardirqs_on+0x296/0x5b0
[  440.709892]  ? trace_hardirqs_on+0xbd/0x310
[  440.714217]  ? kasan_check_read+0x11/0x20
[  440.718372]  ? __run_timers+0x7da/0xc70
[  440.722337]  ? trace_hardirqs_off_caller+0x310/0x310
[  440.727441]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  440.732278]  __run_timers+0x7e5/0xc70
[  440.736083]  ? timer_fixup_init+0x70/0x70
[  440.740221]  ? _raw_spin_unlock_irq+0x27/0x80
[  440.744724]  ? _raw_spin_unlock_irq+0x27/0x80
[  440.749259]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  440.753835]  ? trace_hardirqs_on+0xbd/0x310
[  440.758178]  ? kasan_check_read+0x11/0x20
[  440.762338]  ? finish_task_switch+0x1f4/0x910
[  440.766834]  ? trace_hardirqs_off_caller+0x310/0x310
[  440.771933]  ? compat_start_thread+0x80/0x80
[  440.776351]  ? pvclock_read_flags+0x160/0x160
[  440.780835]  ? __switch_to_asm+0x34/0x70
[  440.784889]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.790417]  ? check_preemption_disabled+0x48/0x280
[  440.795432]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  440.800962]  ? rcu_pm_notify+0xc0/0xc0
[  440.804871]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.810415]  ? check_preemption_disabled+0x48/0x280
[  440.815425]  run_timer_softirq+0x52/0xb0
[  440.819489]  ? rcu_read_lock_sched_held+0x14f/0x180
[  440.824504]  __do_softirq+0x308/0xb7e
[  440.828298]  ? trace_hardirqs_on_caller+0xc0/0x310
[  440.833221]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  440.838319]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  440.843781]  ? schedule+0x108/0x460
[  440.847412]  ? trace_hardirqs_off+0xb8/0x310
[  440.851839]  ? smpboot_thread_fn+0x68b/0xa00
[  440.856236]  ? trace_hardirqs_on+0x310/0x310
[  440.860649]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  440.866174]  ? check_preemption_disabled+0x48/0x280
[  440.871181]  ? takeover_tasklets+0xa90/0xa90
[  440.875581]  run_ksoftirqd+0x5e/0x100
[  440.879368]  smpboot_thread_fn+0x68b/0xa00
[  440.883622]  ? sort_range+0x30/0x30
[  440.887248]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  440.892343]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  440.897887]  ? __kthread_parkme+0xfb/0x1a0
[  440.902121]  ? sort_range+0x30/0x30
[  440.905740]  kthread+0x35a/0x440
[  440.909145]  ? kthread_stop+0x900/0x900
[  440.913111]  ret_from_fork+0x3a/0x50
[  440.916831] warn_alloc_show_mem: 1 callbacks suppressed
[  440.916840] CPU: 1 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  440.916842] Mem-Info:
[  440.916868] active_anon:44321 inactive_anon:2061 isolated_anon:0
[  440.916868]  active_file:14 inactive_file:14 isolated_file:0
[  440.916868]  unevictable:0 dirty:0 writeback:0 unstable:0
[  440.916868]  slab_reclaimable:9437 slab_unreclaimable:1460937
[  440.916868]  mapped:49154 shmem:2105 pagetables:642 bounce:0
[  440.916868]  free:13638 free_pcp:328 free_cma:0
[  440.922221] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  440.929144] Node 0 active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8420kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  440.931554] Call Trace:
[  440.964585] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  440.973925]  <IRQ>
[  441.001491] lowmem_reserve[]: 0 2818 6321 6321
[  441.004065]  dump_stack+0x244/0x39d
[  441.030145] Node 0 DMA32 free:24708kB 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
[  441.032289]  ? dump_stack_print_info.cold.1+0x20/0x20
[  441.036838] lowmem_reserve[]: 0 0 3503 3503
[  441.040470]  warn_alloc.cold.116+0xb7/0x1bd
[  441.067934] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2568kB bounce:0kB free_pcp:1064kB local_pcp:692kB free_cma:0kB
[  441.073129]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  441.077421] lowmem_reserve[]: 0 0 0 0
[  441.081735]  ? lock_downgrade+0x900/0x900
[  441.110768] 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
[  441.115618]  ? trace_hardirqs_off+0xb8/0x310
[  441.119386] Node 0 DMA32: 5*4kB (UM) 2*8kB (MH) 2*16kB (MH) 4*32kB (MH) 3*64kB (M) 2*128kB (M) 4*256kB (UMH) 3*512kB (UM) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24708kB
[  441.123577]  ? trace_hardirqs_off+0xb8/0x310
[  441.137083] Node 0 Normal: 930*4kB (MEH) 535*8kB (UMEH) 215*16kB (UME) 80*32kB (UMH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  441.141502]  __alloc_pages_slowpath+0x26e8/0x2e10
[  441.156999] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  441.161423]  ? warn_alloc+0x120/0x120
[  441.175177] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  441.180003]  ? warn_alloc+0x120/0x120
[  441.188811] 2133 total pagecache pages
[  441.192614]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  441.201167] 0 pages in swap cache
[  441.204949]  ? warn_alloc+0x120/0x120
[  441.208844] Swap cache stats: add 0, delete 0, find 0/0
[  441.213872]  ? print_usage_bug+0xc0/0xc0
[  441.217296] Free swap  = 0kB
[  441.221095]  ? print_usage_bug+0xc0/0xc0
[  441.226427] Total swap = 0kB
[  441.230475]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  441.233466] 1965979 pages RAM
[  441.237515]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  441.240500] 0 pages HighMem/MovableOnly
[  441.245708]  ? should_fail+0x22d/0xd01
[  441.248784] 342853 pages reserved
[  441.254309]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  441.258250] 0 pages cma reserved
[  441.262128]  ? __lock_acquire+0x62f/0x4c20
[  441.265612] aoe: skb alloc failure
[  441.270651]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  441.274043] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  441.278217]  ? should_fail+0x22d/0xd01
[  441.281728] ksoftirqd/0 cpuset=/ mems_allowed=0
[  441.286820]  ? mark_held_locks+0x130/0x130
[  441.309852]  ? mark_held_locks+0x130/0x130
[  441.314141]  ? print_usage_bug+0xc0/0xc0
[  441.318259]  ? find_held_lock+0x36/0x1c0
[  441.322355]  ? zap_class+0x640/0x640
[  441.326066]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.331596]  ? check_preemption_disabled+0x48/0x280
[  441.336611]  ? __lock_is_held+0xb5/0x140
[  441.340671]  __alloc_pages_nodemask+0xa80/0xde0
[  441.345351]  ? zap_class+0x640/0x640
[  441.349063]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  441.354081]  ? find_held_lock+0x36/0x1c0
[  441.358138]  ? ____cache_alloc_node+0x1c7/0x1e0
[  441.362833]  ? lock_downgrade+0x900/0x900
[  441.366984]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.372518]  cache_grow_begin+0xa5/0x8c0
[  441.376578]  ? do_raw_spin_unlock+0xa7/0x330
[  441.381000]  fallback_alloc+0x204/0x2e0
[  441.385007]  ____cache_alloc_node+0x1c7/0x1e0
[  441.389498]  kmem_cache_alloc_node+0xe3/0x730
[  441.393982]  ? mark_held_locks+0xc7/0x130
[  441.398129]  __alloc_skb+0x119/0x770
[  441.401885]  ? netdev_alloc_frag+0x1f0/0x1f0
[  441.406305]  ? do_raw_spin_trylock+0x270/0x270
[  441.410876]  ? kmem_cache_alloc_trace+0x353/0x750
[  441.415710]  ? queue_work_on+0x12c/0x1e0
[  441.419768]  ? switchdev_port_obj_del+0xdc/0x440
[  441.424512]  ? switchdev_trans_item_enqueue+0x260/0x260
[  441.429888]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  441.434937]  __br_mdb_notify+0x4ff/0x15d0
[  441.439086]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  441.444224]  ? __br_mdb_add+0x7f0/0x7f0
[  441.448238]  ? mark_held_locks+0x130/0x130
[  441.452468]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  441.457572]  ? debug_object_assert_init+0x368/0x4b0
[  441.462583]  ? debug_object_init_on_stack+0x20/0x20
[  441.467588]  ? zap_class+0x640/0x640
[  441.471292]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.476837]  br_mdb_notify+0x310/0x410
[  441.480721]  ? br_mdb_dump+0x27b0/0x27b0
[  441.484799]  br_multicast_del_pg+0x3df/0x790
[  441.489202]  ? br_mdb_ip_get+0x940/0x940
[  441.493266]  ? rwlock_bug.part.2+0x90/0x90
[  441.497495]  ? __lock_is_held+0xb5/0x140
[  441.501560]  br_multicast_port_group_expired+0x189/0x1e0
[  441.507018]  call_timer_fn+0x272/0x920
[  441.510934]  ? br_multicast_del_pg+0x790/0x790
[  441.515504]  ? process_timeout+0x40/0x40
[  441.519600]  ? mark_held_locks+0xc7/0x130
[  441.523739]  ? _raw_spin_unlock_irq+0x27/0x80
[  441.528241]  ? _raw_spin_unlock_irq+0x27/0x80
[  441.532732]  ? br_multicast_del_pg+0x790/0x790
[  441.537313]  ? lockdep_hardirqs_on+0x296/0x5b0
[  441.541923]  ? trace_hardirqs_on+0xbd/0x310
[  441.546253]  ? kasan_check_read+0x11/0x20
[  441.550395]  ? __run_timers+0x7da/0xc70
[  441.554375]  ? trace_hardirqs_off_caller+0x310/0x310
[  441.559487]  ? br_multicast_del_pg+0x790/0x790
[  441.564097]  ? br_multicast_del_pg+0x790/0x790
[  441.568669]  __run_timers+0x7e5/0xc70
[  441.572475]  ? timer_fixup_init+0x70/0x70
[  441.576617]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  441.581634]  ? zap_class+0x640/0x640
[  441.585354]  ? print_usage_bug+0xc0/0xc0
[  441.589421]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  441.594612]  ? find_held_lock+0x36/0x1c0
[  441.598691]  ? zap_class+0x640/0x640
[  441.602434]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.607963]  ? check_preemption_disabled+0x48/0x280
[  441.612978]  ? __lock_is_held+0xb5/0x140
[  441.617037]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.622602]  ? check_preemption_disabled+0x48/0x280
[  441.627631]  run_timer_softirq+0x52/0xb0
[  441.631687]  ? rcu_read_lock_sched_held+0x14f/0x180
[  441.636697]  __do_softirq+0x308/0xb7e
[  441.640497]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  441.644985]  ? lock_downgrade+0x900/0x900
[  441.649142]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  441.654266]  ? pvclock_read_flags+0x160/0x160
[  441.658772]  ? lapic_next_event+0x5a/0x90
[  441.662917]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.668452]  ? kvm_clock_read+0x18/0x30
[  441.672432]  ? kvm_sched_clock_read+0x9/0x20
[  441.676831]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.682357]  ? check_preemption_disabled+0x48/0x280
[  441.687407]  irq_exit+0x17f/0x1c0
[  441.690865]  smp_apic_timer_interrupt+0x1cb/0x760
[  441.695703]  ? smp_reschedule_interrupt+0x109/0x650
[  441.700741]  ? smp_call_function_single_interrupt+0x650/0x650
[  441.706624]  ? interrupt_entry+0xb5/0xc0
[  441.710686]  ? trace_hardirqs_off_caller+0xbb/0x310
[  441.715701]  ? trace_hardirqs_off_caller+0xbb/0x310
[  441.720719]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  441.725573]  ? trace_hardirqs_on_caller+0x310/0x310
[  441.730589]  ? trace_hardirqs_on_caller+0x310/0x310
[  441.735604]  ? task_prio+0x50/0x50
[  441.739149]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.744688]  ? check_preemption_disabled+0x48/0x280
[  441.749715]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  441.754576]  apic_timer_interrupt+0xf/0x20
[  441.758803]  </IRQ>
[  441.761042] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  441.766233] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec
[  441.785130] RSP: 0018:ffff8801c2d36100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  441.792851] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100385b2de6
[  441.800130] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c2d96ebc
[  441.807394] RBP: ffff8801c2d36128 R08: ffff8801c2d96f30 R09: 0000000000000006
[  441.814657] R10: 0000000000000000 R11: ffff8801c2d96640 R12: dffffc0000000000
[  441.821923] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  441.829217]  retint_kernel+0x1b/0x2d
[  441.832929] RIP: 0010:dump_stack+0x358/0x39d
[  441.837421] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  441.856320] RSP: 0018:ffff8801c2d361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  441.864021] RAX: ffff8801c2d96640 RBX: 1ffffffff12a3f76 RCX: 1ffff100385b2de6
[  441.871307] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  441.878575] RBP: ffff8801c2d36290 R08: ffff8801c2d96f30 R09: 0000000000000006
[  441.885842] R10: 0000000000000000 R11: ffff8801c2d96640 R12: 1ffff100385a6c45
[  441.893108] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  441.900390]  ? dump_stack+0x34f/0x39d
[  441.904202]  ? dump_stack_print_info.cold.1+0x20/0x20
[  441.909394]  ? mark_held_locks+0x130/0x130
[  441.913626]  ? mark_held_locks+0x130/0x130
[  441.917857]  dump_header+0x27b/0xf72
[  441.921596]  ? pagefault_out_of_memory+0x197/0x197
[  441.926525]  ? __lock_acquire+0x62f/0x4c20
[  441.930762]  ? percpu_ref_get_many+0x240/0x240
[  441.935339]  ? print_usage_bug+0xc0/0xc0
[  441.939413]  ? zap_class+0x640/0x640
[  441.943120]  ? print_usage_bug+0xc0/0xc0
[  441.947181]  ? print_usage_bug+0xc0/0xc0
[  441.951237]  ? zap_class+0x640/0x640
[  441.954962]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.960506]  ? find_held_lock+0x36/0x1c0
[  441.964592]  ? mark_held_locks+0xc7/0x130
[  441.968731]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  441.973837]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  441.978965]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  441.983572]  ? trace_hardirqs_on+0xbd/0x310
[  441.987898]  ? kasan_check_read+0x11/0x20
[  441.992055]  ? ___ratelimit+0x3b4/0x672
[  441.996059]  ? trace_hardirqs_off_caller+0x310/0x310
[  442.001187]  ? trace_hardirqs_on+0x310/0x310
[  442.005602]  ? lock_downgrade+0x900/0x900
[  442.009744]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  442.014835]  ? ___ratelimit+0x3b9/0x672
[  442.018799]  ? idr_get_free+0xf70/0xf70
[  442.022768]  ? find_held_lock+0x36/0x1c0
[  442.026830]  oom_kill_process.cold.27+0x10/0x903
[  442.031577]  ? zap_class+0x640/0x640
[  442.035294]  ? check_preemption_disabled+0x48/0x280
[  442.040315]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  442.045254]  ? kasan_check_read+0x11/0x20
[  442.049442]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  442.054716]  ? oom_evaluate_task+0x540/0x540
[  442.059135]  ? find_held_lock+0x36/0x1c0
[  442.063214]  ? out_of_memory+0x974/0x1430
[  442.067351]  ? lock_downgrade+0x900/0x900
[  442.071515]  ? check_preemption_disabled+0x48/0x280
[  442.076557]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  442.081475]  ? kasan_check_read+0x11/0x20
[  442.085624]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  442.090915]  ? rcu_softirq_qs+0x20/0x20
[  442.094886]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  442.100411]  ? oom_evaluate_task+0x302/0x540
[  442.104842]  out_of_memory+0xa84/0x1430
[  442.108835]  ? oom_killer_disable+0x3a0/0x3a0
[  442.113326]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  442.118250]  ? __ww_mutex_check_waiters+0x160/0x160
[  442.123266]  __alloc_pages_slowpath+0x2354/0x2e10
[  442.128148]  ? warn_alloc+0x120/0x120
[  442.131939]  ? mark_held_locks+0x130/0x130
[  442.136227]  ? find_get_entry+0xaae/0x1120
[  442.140478]  ? filemap_map_pages+0x1a20/0x1a20
[  442.145058]  ? zap_class+0x640/0x640
[  442.148767]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.154294]  ? check_preemption_disabled+0x48/0x280
[  442.159309]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  442.164852]  ? should_fail+0x22d/0xd01
[  442.168733]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  442.173828]  ? zap_class+0x640/0x640
[  442.177564]  ? __lock_is_held+0xb5/0x140
[  442.181638]  ? mark_held_locks+0x130/0x130
[  442.185870]  ? lock_release+0xa00/0xa00
[  442.189861]  ? perf_trace_sched_process_exec+0x860/0x860
[  442.195333]  ? xa_load+0x2ba/0x460
[  442.198885]  ? lock_downgrade+0x900/0x900
[  442.203044]  ? __might_sleep+0x95/0x190
[  442.207093]  __alloc_pages_nodemask+0xa80/0xde0
[  442.211792]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  442.216828]  ? __page_cache_alloc+0x191/0x5c0
[  442.221347]  ? xa_load+0x2e1/0x460
[  442.224878]  ? xa_clear_mark+0x40/0x40
[  442.228755]  ? zap_class+0x640/0x640
[  442.232462]  ? zap_class+0x640/0x640
[  442.236195]  ? zap_class+0x640/0x640
[  442.239914]  ? __do_page_cache_readahead+0x663/0x810
[  442.245046]  ? find_held_lock+0x36/0x1c0
[  442.249106]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  442.254642]  alloc_pages_current+0x173/0x350
[  442.259049]  __page_cache_alloc+0x38c/0x5c0
[  442.263362]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  442.268311]  ? kasan_check_read+0x11/0x20
[  442.272466]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  442.277738]  ? generic_perform_write+0x6a0/0x6a0
[  442.282488]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  442.288039]  ? check_preemption_disabled+0x48/0x280
[  442.293060]  filemap_fault+0x1595/0x25f0
[  442.297125]  ? __lock_page_or_retry+0xa00/0xa00
[  442.301824]  ? mark_held_locks+0x130/0x130
[  442.306062]  ? filemap_map_pages+0xd6b/0x1a20
[  442.310573]  ? lock_downgrade+0x900/0x900
[  442.314714]  ? check_preemption_disabled+0x48/0x280
[  442.319746]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  442.324667]  ? kasan_check_read+0x11/0x20
[  442.328827]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  442.334095]  ? rcu_softirq_qs+0x20/0x20
[  442.338077]  ? filemap_map_pages+0xd92/0x1a20
[  442.342610]  ? find_get_entries_tag+0x1400/0x1400
[  442.347440]  ? find_held_lock+0x36/0x1c0
[  442.351561]  ? lock_acquire+0x1ed/0x520
[  442.355531]  ? ext4_filemap_fault+0x7a/0xad
[  442.359872]  ? lock_release+0xa00/0xa00
[  442.363835]  ? perf_trace_sched_process_exec+0x860/0x860
[  442.369277]  ? print_usage_bug+0xc0/0xc0
[  442.373345]  ? down_read+0x8d/0x120
[  442.376957]  ? ext4_filemap_fault+0x7a/0xad
[  442.381279]  ? __down_interruptible+0x700/0x700
[  442.385962]  ? find_held_lock+0x36/0x1c0
[  442.390076]  ext4_filemap_fault+0x82/0xad
[  442.394213]  __do_fault+0x100/0x6b0
[  442.397846]  ? lock_downgrade+0x900/0x900
[  442.402018]  ? pmd_devmap_trans_unstable+0x220/0x220
[  442.407119]  ? kasan_check_read+0x11/0x20
[  442.411292]  ? do_raw_spin_unlock+0xa7/0x330
[  442.415701]  ? do_raw_spin_trylock+0x270/0x270
[  442.420281]  __handle_mm_fault+0x3ea0/0x5be0
[  442.424681]  ? perf_trace_lock+0x7a0/0x7a0
[  442.428925]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  442.433777]  ? zap_class+0x640/0x640
[  442.437500]  ? zap_class+0x640/0x640
[  442.441201]  ? __x64_sys_futex+0x53e/0x6a0
[  442.445460]  ? find_held_lock+0x36/0x1c0
[  442.449529]  ? handle_mm_fault+0x42a/0xc70
[  442.453767]  ? lock_downgrade+0x900/0x900
[  442.457921]  ? check_preemption_disabled+0x48/0x280
[  442.462949]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  442.467870]  ? kasan_check_read+0x11/0x20
[  442.472046]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  442.477350]  ? rcu_softirq_qs+0x20/0x20
[  442.481334]  ? trace_hardirqs_off_caller+0x310/0x310
[  442.486458]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  442.491984]  ? check_preemption_disabled+0x48/0x280
[  442.497017]  handle_mm_fault+0x54f/0xc70
[  442.501102]  ? __handle_mm_fault+0x5be0/0x5be0
[  442.505697]  ? find_vma+0x34/0x190
[  442.509243]  __do_page_fault+0x5e8/0xe60
[  442.513302]  ? trace_hardirqs_off+0xb8/0x310
[  442.517700]  ? kernel_write+0x120/0x120
[  442.521696]  do_page_fault+0xf2/0x7e0
[  442.525490]  ? vmalloc_sync_all+0x30/0x30
[  442.529645]  ? error_entry+0x70/0xd0
[  442.533352]  ? trace_hardirqs_off_caller+0xbb/0x310
[  442.538361]  ? trace_hardirqs_on_caller+0xc0/0x310
[  442.543307]  ? syscall_return_slowpath+0x5e0/0x5e0
[  442.548257]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  442.553091]  ? trace_hardirqs_on_caller+0x310/0x310
[  442.558097]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  442.563559]  ? prepare_exit_to_usermode+0x291/0x3b0
[  442.568577]  ? page_fault+0x8/0x30
[  442.572131]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  442.577009]  ? page_fault+0x8/0x30
[  442.580555]  page_fault+0x1e/0x30
[  442.583998] RIP: 0033:0x404068
[  442.587195] Code: Bad RIP value.
[  442.590563] RSP: 002b:000000c420024e48 EFLAGS: 00010206
[  442.595910] RAX: 000000c422dd4cc0 RBX: 000000c42875f801 RCX: 000000c424d31838
[  442.603169] RDX: 000000c422dd4cc0 RSI: 0000000000000001 RDI: 0000000000000001
[  442.610474] RBP: 000000c420024ed8 R08: 00007ffd3a9b40b0 R09: 00007ffd3a9b4080
[  442.617728] R10: 000000000000eacc R11: 0000000000000165 R12: 0000000000000001
[  442.625127] R13: 000000c4271c3620 R14: 0000000000000001 R15: 0000000000000000
[  442.632431] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #83
[  442.632641] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  442.639212] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  442.639220] Call Trace:
[  442.649487] syz-fuzzer cpuset=/ mems_allowed=0
[  442.658867]  dump_stack+0x244/0x39d
[  442.669633]  ? dump_stack_print_info.cold.1+0x20/0x20
[  442.674827]  warn_alloc.cold.116+0xb7/0x1bd
[  442.679140]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  442.683975]  ? lock_downgrade+0x900/0x900
[  442.688206]  ? trace_hardirqs_off+0xb8/0x310
[  442.692612]  ? trace_hardirqs_off+0xb8/0x310
[  442.697045]  __alloc_pages_slowpath+0x26e8/0x2e10
[  442.701903]  ? warn_alloc+0x120/0x120
[  442.705733]  ? warn_alloc+0x120/0x120
[  442.709529]  ? warn_alloc+0x120/0x120
[  442.713332]  ? print_usage_bug+0xc0/0xc0
[  442.717418]  ? print_usage_bug+0xc0/0xc0
[  442.721479]  ? mark_held_locks+0x130/0x130
[  442.725725]  ? mark_held_locks+0x130/0x130
[  442.729974]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  442.735502]  ? should_fail+0x22d/0xd01
[  442.739397]  ? zap_class+0x640/0x640
[  442.743106]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  442.748206]  ? __lock_acquire+0x62f/0x4c20
[  442.752570]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  442.757672]  ? __lock_acquire+0x62f/0x4c20
[  442.761910]  ? should_fail+0x22d/0xd01
[  442.765802]  ? mark_held_locks+0x130/0x130
[  442.770035]  ? mark_held_locks+0x130/0x130
[  442.774272]  ? lock_downgrade+0x900/0x900
[  442.778421]  ? zap_class+0x640/0x640
[  442.782170]  ? zap_class+0x640/0x640
[  442.785871]  ? do_raw_spin_unlock+0xa7/0x330
[  442.790275]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  442.795040]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.800572]  ? check_preemption_disabled+0x48/0x280
[  442.805590]  ? __lock_is_held+0xb5/0x140
[  442.809652]  __alloc_pages_nodemask+0xa80/0xde0
[  442.814311]  ? zap_class+0x640/0x640
[  442.818031]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  442.823076]  ? find_held_lock+0x36/0x1c0
[  442.827159]  ? ____cache_alloc_node+0x1c7/0x1e0
[  442.831839]  ? lock_downgrade+0x900/0x900
[  442.835984]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.841516]  cache_grow_begin+0xa5/0x8c0
[  442.845584]  ? do_raw_spin_unlock+0xa7/0x330
[  442.849991]  fallback_alloc+0x204/0x2e0
[  442.853974]  ____cache_alloc_node+0x1c7/0x1e0
[  442.858463]  kmem_cache_alloc_node+0xe3/0x730
[  442.862957]  ? lockdep_hardirqs_on+0x296/0x5b0
[  442.867560]  __alloc_skb+0x119/0x770
[  442.871267]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  442.876642]  ? netdev_alloc_frag+0x1f0/0x1f0
[  442.881065]  ? vprintk_default+0x28/0x30
[  442.885120]  ? vprintk_func+0x85/0x181
[  442.889003]  ? printk+0xa7/0xcf
[  442.892302]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  442.897052]  ? do_raw_spin_trylock+0x270/0x270
[  442.901634]  new_skb+0x26/0x1c0
[  442.904942]  aoecmd_cfg+0x279/0x7f0
[  442.908586]  ? find_held_lock+0x36/0x1c0
[  442.912658]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  442.916985]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.922545]  ? __lock_is_held+0xb5/0x140
[  442.926659]  discover_timer+0x50/0x60
[  442.930449]  call_timer_fn+0x272/0x920
[  442.934327]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  442.939158]  ? process_timeout+0x40/0x40
[  442.943213]  ? __run_timers+0x7da/0xc70
[  442.947180]  ? _raw_spin_unlock_irq+0x27/0x80
[  442.951711]  ? _raw_spin_unlock_irq+0x27/0x80
[  442.956196]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  442.961043]  ? lockdep_hardirqs_on+0x296/0x5b0
[  442.965618]  ? trace_hardirqs_on+0xbd/0x310
[  442.969928]  ? kasan_check_read+0x11/0x20
[  442.974068]  ? __run_timers+0x7da/0xc70
[  442.978034]  ? trace_hardirqs_off_caller+0x310/0x310
[  442.983137]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  442.987977]  __run_timers+0x7e5/0xc70
[  442.991776]  ? timer_fixup_init+0x70/0x70
[  442.995917]  ? _raw_spin_unlock_irq+0x27/0x80
[  443.000400]  ? _raw_spin_unlock_irq+0x27/0x80
[  443.004885]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  443.009454]  ? trace_hardirqs_on+0xbd/0x310
[  443.013769]  ? kasan_check_read+0x11/0x20
[  443.017914]  ? finish_task_switch+0x1f4/0x910
[  443.022402]  ? trace_hardirqs_off_caller+0x310/0x310
[  443.027495]  ? compat_start_thread+0x80/0x80
[  443.031941]  ? pvclock_read_flags+0x160/0x160
[  443.036444]  ? __switch_to_asm+0x34/0x70
[  443.040501]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.046036]  ? check_preemption_disabled+0x48/0x280
[  443.051101]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  443.056632]  ? rcu_pm_notify+0xc0/0xc0
[  443.060529]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.066076]  ? check_preemption_disabled+0x48/0x280
[  443.071121]  run_timer_softirq+0x52/0xb0
[  443.075177]  ? rcu_read_lock_sched_held+0x14f/0x180
[  443.080199]  __do_softirq+0x308/0xb7e
[  443.083997]  ? trace_hardirqs_on_caller+0xc0/0x310
[  443.088922]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  443.094030]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  443.099479]  ? schedule+0x108/0x460
[  443.103105]  ? trace_hardirqs_off+0xb8/0x310
[  443.107506]  ? smpboot_thread_fn+0x68b/0xa00
[  443.111934]  ? trace_hardirqs_on+0x310/0x310
[  443.116377]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  443.121907]  ? check_preemption_disabled+0x48/0x280
[  443.126986]  ? takeover_tasklets+0xa90/0xa90
[  443.131401]  run_ksoftirqd+0x5e/0x100
[  443.135206]  smpboot_thread_fn+0x68b/0xa00
[  443.139432]  ? sort_range+0x30/0x30
[  443.143064]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  443.148175]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  443.153701]  ? __kthread_parkme+0xfb/0x1a0
[  443.157961]  ? sort_range+0x30/0x30
[  443.161584]  kthread+0x35a/0x440
[  443.164943]  ? kthread_stop+0x900/0x900
[  443.168908]  ret_from_fork+0x3a/0x50
[  443.172637] warn_alloc_show_mem: 1 callbacks suppressed
[  443.172647] CPU: 1 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  443.172648] Mem-Info:
[  443.172674] active_anon:44321 inactive_anon:2061 isolated_anon:0
[  443.172674]  active_file:14 inactive_file:14 isolated_file:0
[  443.172674]  unevictable:0 dirty:0 writeback:0 unstable:0
[  443.172674]  slab_reclaimable:9437 slab_unreclaimable:1460937
[  443.172674]  mapped:49154 shmem:2105 pagetables:642 bounce:0
[  443.172674]  free:13638 free_pcp:328 free_cma:0
[  443.178015] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  443.184963] Node 0 active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8420kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  443.187353] Call Trace:
[  443.220383] 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
[  443.229725]  <IRQ>
[  443.257294] lowmem_reserve[]: 0 2818 6321 6321
[  443.259879]  dump_stack+0x244/0x39d
[  443.285965] Node 0 DMA32 free:24708kB 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
[  443.288115]  ? dump_stack_print_info.cold.1+0x20/0x20
[  443.292670] lowmem_reserve[]: 0 0 3503 3503
[  443.296306]  warn_alloc.cold.116+0xb7/0x1bd
[  443.323769] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2568kB bounce:0kB free_pcp:1064kB local_pcp:692kB free_cma:0kB
[  443.328955]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  443.333258] lowmem_reserve[]: 0 0 0 0
[  443.337573]  ? lock_downgrade+0x900/0x900
[  443.366607] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  443.371479]  ? trace_hardirqs_off+0xb8/0x310
[  443.375251] Node 0 DMA32: 5*4kB (UM) 2*8kB (MH) 2*16kB (MH) 4*32kB (MH) 3*64kB (M) 2*128kB (M) 4*256kB (UMH) 3*512kB (UM) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24708kB
[  443.379393]  ? trace_hardirqs_off+0xb8/0x310
[  443.392889] Node 0 Normal: 930*4kB (MEH) 535*8kB (UMEH) 215*16kB (UME) 80*32kB (UMH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  443.397301]  __alloc_pages_slowpath+0x26e8/0x2e10
[  443.412793] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  443.417223]  ? warn_alloc+0x120/0x120
[  443.430964] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  443.435794]  ? __lock_acquire+0x62f/0x4c20
[  443.444612] 2133 total pagecache pages
[  443.448403]  ? warn_alloc+0x120/0x120
[  443.456956] 0 pages in swap cache
[  443.461171]  ? warn_alloc+0x120/0x120
[  443.465047] Swap cache stats: add 0, delete 0, find 0/0
[  443.468876]  ? print_usage_bug+0xc0/0xc0
[  443.472304] Free swap  = 0kB
[  443.476090]  ? print_usage_bug+0xc0/0xc0
[  443.481431] Total swap = 0kB
[  443.485479]  ? trace_hardirqs_off+0xb8/0x310
[  443.488495] 1965979 pages RAM
[  443.492556]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  443.495552] 0 pages HighMem/MovableOnly
[  443.499959]  ? should_fail+0x22d/0xd01
[  443.503043] 342853 pages reserved
[  443.508574]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  443.512522] 0 pages cma reserved
[  443.516412]  ? __lock_acquire+0x62f/0x4c20
[  443.519907] aoe: skb alloc failure
[  443.524939]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  443.524953]  ? __lock_acquire+0x62f/0x4c20
[  443.524969]  ? should_fail+0x22d/0xd01
[  443.528342] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  443.532555]  ? mark_held_locks+0x130/0x130
[  443.536086] ksoftirqd/0 cpuset=/ mems_allowed=0
[  443.541197]  ? mark_held_locks+0x130/0x130
[  443.572663]  ? zap_class+0x640/0x640
[  443.576379]  ? print_usage_bug+0xc0/0xc0
[  443.580439]  ? __lock_acquire+0x62f/0x4c20
[  443.584674]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.590214]  ? check_preemption_disabled+0x48/0x280
[  443.595277]  ? __lock_is_held+0xb5/0x140
[  443.599363]  __alloc_pages_nodemask+0xa80/0xde0
[  443.604034]  ? zap_class+0x640/0x640
[  443.607787]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  443.612815]  ? find_held_lock+0x36/0x1c0
[  443.616884]  ? ____cache_alloc_node+0x1c7/0x1e0
[  443.621585]  ? lock_downgrade+0x900/0x900
[  443.625737]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.631277]  cache_grow_begin+0xa5/0x8c0
[  443.635351]  ? do_raw_spin_unlock+0xa7/0x330
[  443.639765]  fallback_alloc+0x204/0x2e0
[  443.643740]  ____cache_alloc_node+0x1c7/0x1e0
[  443.648238]  kmem_cache_alloc_node+0xe3/0x730
[  443.652739]  ? ipv6_get_ifaddr+0x42e/0x620
[  443.656984]  __alloc_skb+0x119/0x770
[  443.660694]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  443.665973]  ? netdev_alloc_frag+0x1f0/0x1f0
[  443.670377]  ? lock_downgrade+0x900/0x900
[  443.674528]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.680069]  ? refcount_sub_and_test_checked+0x203/0x310
[  443.685556]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  443.691009]  ? addrconf_rs_timer+0x690/0x690
[  443.695445]  ndisc_alloc_skb+0x144/0x340
[  443.699512]  ndisc_send_rs+0x331/0x6e0
[  443.703414]  addrconf_rs_timer+0x314/0x690
[  443.707679]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  443.711917]  call_timer_fn+0x272/0x920
[  443.715797]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  443.720043]  ? process_timeout+0x40/0x40
[  443.724133]  ? mark_held_locks+0xc7/0x130
[  443.728271]  ? _raw_spin_unlock_irq+0x27/0x80
[  443.732775]  ? _raw_spin_unlock_irq+0x27/0x80
[  443.737258]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  443.741487]  ? lockdep_hardirqs_on+0x296/0x5b0
[  443.746060]  ? trace_hardirqs_on+0xbd/0x310
[  443.750406]  ? kasan_check_read+0x11/0x20
[  443.754687]  ? __run_timers+0x7da/0xc70
[  443.758655]  ? trace_hardirqs_off_caller+0x310/0x310
[  443.763759]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  443.767987]  __run_timers+0x7e5/0xc70
[  443.771823]  ? timer_fixup_init+0x70/0x70
[  443.775966]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  443.780977]  ? zap_class+0x640/0x640
[  443.784694]  ? print_usage_bug+0xc0/0xc0
[  443.788780]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  443.794001]  ? find_held_lock+0x36/0x1c0
[  443.798059]  ? zap_class+0x640/0x640
[  443.801787]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.807321]  ? check_preemption_disabled+0x48/0x280
[  443.812353]  ? __lock_is_held+0xb5/0x140
[  443.816407]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.822051]  ? check_preemption_disabled+0x48/0x280
[  443.827066]  run_timer_softirq+0x52/0xb0
[  443.831123]  ? rcu_read_lock_sched_held+0x14f/0x180
[  443.836128]  __do_softirq+0x308/0xb7e
[  443.839952]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  443.844455]  ? lock_downgrade+0x900/0x900
[  443.848612]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  443.853728]  ? pvclock_read_flags+0x160/0x160
[  443.858231]  ? lapic_next_event+0x5a/0x90
[  443.862367]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.867913]  ? kvm_clock_read+0x18/0x30
[  443.871874]  ? kvm_sched_clock_read+0x9/0x20
[  443.876277]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.881807]  ? check_preemption_disabled+0x48/0x280
[  443.886856]  irq_exit+0x17f/0x1c0
[  443.890342]  smp_apic_timer_interrupt+0x1cb/0x760
[  443.895205]  ? smp_reschedule_interrupt+0x109/0x650
[  443.900212]  ? smp_call_function_single_interrupt+0x650/0x650
[  443.906088]  ? interrupt_entry+0xb5/0xc0
[  443.910145]  ? trace_hardirqs_off_caller+0xbb/0x310
[  443.915170]  ? trace_hardirqs_off_caller+0xbb/0x310
[  443.920210]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  443.925132]  ? trace_hardirqs_on_caller+0x310/0x310
[  443.930174]  ? trace_hardirqs_on_caller+0x310/0x310
[  443.935194]  ? task_prio+0x50/0x50
[  443.938733]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.944264]  ? check_preemption_disabled+0x48/0x280
[  443.949276]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  443.954144]  apic_timer_interrupt+0xf/0x20
[  443.958367]  </IRQ>
[  443.960612] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  443.965808] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec
[  443.984702] RSP: 0018:ffff8801c2d36100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  443.992401] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100385b2de6
[  443.999661] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c2d96ebc
[  444.006921] RBP: ffff8801c2d36128 R08: ffff8801c2d96f30 R09: 0000000000000006
[  444.014195] R10: 0000000000000000 R11: ffff8801c2d96640 R12: dffffc0000000000
[  444.021457] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  444.028738]  retint_kernel+0x1b/0x2d
[  444.032440] RIP: 0010:dump_stack+0x358/0x39d
[  444.036860] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  444.055753] RSP: 0018:ffff8801c2d361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  444.063462] RAX: ffff8801c2d96640 RBX: 1ffffffff12a3f76 RCX: 1ffff100385b2de6
[  444.070747] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  444.078006] RBP: ffff8801c2d36290 R08: ffff8801c2d96f30 R09: 0000000000000006
[  444.085281] R10: 0000000000000000 R11: ffff8801c2d96640 R12: 1ffff100385a6c45
[  444.092573] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  444.099865]  ? dump_stack+0x34f/0x39d
[  444.103686]  ? dump_stack_print_info.cold.1+0x20/0x20
[  444.108873]  ? mark_held_locks+0x130/0x130
[  444.113099]  ? mark_held_locks+0x130/0x130
[  444.117361]  dump_header+0x27b/0xf72
[  444.121094]  ? pagefault_out_of_memory+0x197/0x197
[  444.126040]  ? __lock_acquire+0x62f/0x4c20
[  444.130277]  ? percpu_ref_get_many+0x240/0x240
[  444.134859]  ? print_usage_bug+0xc0/0xc0
[  444.138921]  ? zap_class+0x640/0x640
[  444.142629]  ? print_usage_bug+0xc0/0xc0
[  444.146680]  ? print_usage_bug+0xc0/0xc0
[  444.150757]  ? zap_class+0x640/0x640
[  444.154467]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.160014]  ? find_held_lock+0x36/0x1c0
[  444.164079]  ? mark_held_locks+0xc7/0x130
[  444.168218]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  444.173319]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  444.178414]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  444.182992]  ? trace_hardirqs_on+0xbd/0x310
[  444.187324]  ? kasan_check_read+0x11/0x20
[  444.191481]  ? ___ratelimit+0x3b4/0x672
[  444.195448]  ? trace_hardirqs_off_caller+0x310/0x310
[  444.200551]  ? trace_hardirqs_on+0x310/0x310
[  444.204955]  ? lock_downgrade+0x900/0x900
[  444.209114]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  444.214245]  ? ___ratelimit+0x3b9/0x672
[  444.218229]  ? idr_get_free+0xf70/0xf70
[  444.222205]  ? find_held_lock+0x36/0x1c0
[  444.226260]  oom_kill_process.cold.27+0x10/0x903
[  444.231025]  ? zap_class+0x640/0x640
[  444.234752]  ? check_preemption_disabled+0x48/0x280
[  444.239762]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  444.244686]  ? kasan_check_read+0x11/0x20
[  444.248826]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  444.254098]  ? oom_evaluate_task+0x540/0x540
[  444.258506]  ? find_held_lock+0x36/0x1c0
[  444.262575]  ? out_of_memory+0x974/0x1430
[  444.266724]  ? lock_downgrade+0x900/0x900
[  444.270865]  ? check_preemption_disabled+0x48/0x280
[  444.275875]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  444.280810]  ? kasan_check_read+0x11/0x20
[  444.284953]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  444.290253]  ? rcu_softirq_qs+0x20/0x20
[  444.294265]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  444.299822]  ? oom_evaluate_task+0x302/0x540
[  444.304268]  out_of_memory+0xa84/0x1430
[  444.308244]  ? oom_killer_disable+0x3a0/0x3a0
[  444.312734]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  444.317672]  ? __ww_mutex_check_waiters+0x160/0x160
[  444.322693]  __alloc_pages_slowpath+0x2354/0x2e10
[  444.327561]  ? warn_alloc+0x120/0x120
[  444.331354]  ? mark_held_locks+0x130/0x130
[  444.335604]  ? find_get_entry+0xaae/0x1120
[  444.339838]  ? filemap_map_pages+0x1a20/0x1a20
[  444.344417]  ? zap_class+0x640/0x640
[  444.348128]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.353666]  ? check_preemption_disabled+0x48/0x280
[  444.358688]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  444.364216]  ? should_fail+0x22d/0xd01
[  444.368117]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  444.373210]  ? zap_class+0x640/0x640
[  444.376985]  ? __lock_is_held+0xb5/0x140
[  444.381091]  ? mark_held_locks+0x130/0x130
[  444.385325]  ? lock_release+0xa00/0xa00
[  444.389292]  ? perf_trace_sched_process_exec+0x860/0x860
[  444.394741]  ? xa_load+0x2ba/0x460
[  444.398287]  ? lock_downgrade+0x900/0x900
[  444.402452]  ? __might_sleep+0x95/0x190
[  444.406438]  __alloc_pages_nodemask+0xa80/0xde0
[  444.411122]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  444.416130]  ? __page_cache_alloc+0x191/0x5c0
[  444.420615]  ? xa_load+0x2e1/0x460
[  444.424168]  ? xa_clear_mark+0x40/0x40
[  444.428069]  ? zap_class+0x640/0x640
[  444.431782]  ? zap_class+0x640/0x640
[  444.435516]  ? zap_class+0x640/0x640
[  444.439229]  ? __do_page_cache_readahead+0x663/0x810
[  444.444336]  ? find_held_lock+0x36/0x1c0
[  444.448392]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  444.453937]  alloc_pages_current+0x173/0x350
[  444.458368]  __page_cache_alloc+0x38c/0x5c0
[  444.462690]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  444.467609]  ? kasan_check_read+0x11/0x20
[  444.471757]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  444.477043]  ? generic_perform_write+0x6a0/0x6a0
[  444.481800]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  444.487326]  ? check_preemption_disabled+0x48/0x280
[  444.492337]  filemap_fault+0x1595/0x25f0
[  444.496396]  ? __lock_page_or_retry+0xa00/0xa00
[  444.501054]  ? mark_held_locks+0x130/0x130
[  444.505284]  ? filemap_map_pages+0xd6b/0x1a20
[  444.509787]  ? lock_downgrade+0x900/0x900
[  444.513956]  ? check_preemption_disabled+0x48/0x280
[  444.518964]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  444.523890]  ? kasan_check_read+0x11/0x20
[  444.528025]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  444.533292]  ? rcu_softirq_qs+0x20/0x20
[  444.537310]  ? filemap_map_pages+0xd92/0x1a20
[  444.541806]  ? find_get_entries_tag+0x1400/0x1400
[  444.546640]  ? find_held_lock+0x36/0x1c0
[  444.550730]  ? lock_acquire+0x1ed/0x520
[  444.554711]  ? ext4_filemap_fault+0x7a/0xad
[  444.559032]  ? lock_release+0xa00/0xa00
[  444.563024]  ? perf_trace_sched_process_exec+0x860/0x860
[  444.568465]  ? print_usage_bug+0xc0/0xc0
[  444.572587]  ? down_read+0x8d/0x120
[  444.576222]  ? ext4_filemap_fault+0x7a/0xad
[  444.580555]  ? __down_interruptible+0x700/0x700
[  444.585228]  ? find_held_lock+0x36/0x1c0
[  444.589340]  ext4_filemap_fault+0x82/0xad
[  444.593482]  __do_fault+0x100/0x6b0
[  444.597100]  ? lock_downgrade+0x900/0x900
[  444.601238]  ? pmd_devmap_trans_unstable+0x220/0x220
[  444.606470]  ? kasan_check_read+0x11/0x20
[  444.610622]  ? do_raw_spin_unlock+0xa7/0x330
[  444.615054]  ? do_raw_spin_trylock+0x270/0x270
[  444.619759]  __handle_mm_fault+0x3ea0/0x5be0
[  444.624159]  ? perf_trace_lock+0x7a0/0x7a0
[  444.628409]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  444.633261]  ? zap_class+0x640/0x640
[  444.636960]  ? zap_class+0x640/0x640
[  444.640684]  ? __x64_sys_futex+0x53e/0x6a0
[  444.644911]  ? find_held_lock+0x36/0x1c0
[  444.648969]  ? handle_mm_fault+0x42a/0xc70
[  444.653197]  ? lock_downgrade+0x900/0x900
[  444.657335]  ? check_preemption_disabled+0x48/0x280
[  444.662413]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  444.667351]  ? kasan_check_read+0x11/0x20
[  444.671488]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  444.676758]  ? rcu_softirq_qs+0x20/0x20
[  444.680730]  ? trace_hardirqs_off_caller+0x310/0x310
[  444.685823]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  444.691350]  ? check_preemption_disabled+0x48/0x280
[  444.696358]  handle_mm_fault+0x54f/0xc70
[  444.700414]  ? __handle_mm_fault+0x5be0/0x5be0
[  444.704990]  ? find_vma+0x34/0x190
[  444.708549]  __do_page_fault+0x5e8/0xe60
[  444.712659]  ? trace_hardirqs_off+0xb8/0x310
[  444.717075]  ? kernel_write+0x120/0x120
[  444.721050]  do_page_fault+0xf2/0x7e0
[  444.724871]  ? vmalloc_sync_all+0x30/0x30
[  444.729013]  ? error_entry+0x70/0xd0
[  444.732727]  ? trace_hardirqs_off_caller+0xbb/0x310
[  444.737732]  ? trace_hardirqs_on_caller+0xc0/0x310
[  444.742651]  ? syscall_return_slowpath+0x5e0/0x5e0
[  444.747592]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  444.752945]  ? trace_hardirqs_on_caller+0x310/0x310
[  444.757997]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  444.763446]  ? prepare_exit_to_usermode+0x291/0x3b0
[  444.768467]  ? page_fault+0x8/0x30
[  444.772015]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  444.776853]  ? page_fault+0x8/0x30
[  444.780386]  page_fault+0x1e/0x30
[  444.783846] RIP: 0033:0x404068
[  444.787041] Code: Bad RIP value.
[  444.790427] RSP: 002b:000000c420024e48 EFLAGS: 00010206
[  444.795787] RAX: 000000c422dd4cc0 RBX: 000000c42875f801 RCX: 000000c424d31838
[  444.803058] RDX: 000000c422dd4cc0 RSI: 0000000000000001 RDI: 0000000000000001
[  444.810363] RBP: 000000c420024ed8 R08: 00007ffd3a9b40b0 R09: 00007ffd3a9b4080
[  444.817624] R10: 000000000000eacc R11: 0000000000000165 R12: 0000000000000001
[  444.824900] R13: 000000c4271c3620 R14: 0000000000000001 R15: 0000000000000000
[  444.832222] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #83
[  444.832274] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  444.838978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  444.838983] Call Trace:
[  444.839006]  dump_stack+0x244/0x39d
[  444.839023]  ? dump_stack_print_info.cold.1+0x20/0x20
[  444.845588] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  444.854858]  warn_alloc.cold.116+0xb7/0x1bd
[  444.857411] syz-fuzzer cpuset=/ mems_allowed=0
[  444.861025]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  444.890134]  ? lock_downgrade+0x900/0x900
[  444.894303]  ? trace_hardirqs_off+0xb8/0x310
[  444.898713]  ? trace_hardirqs_off+0xb8/0x310
[  444.903141]  __alloc_pages_slowpath+0x26e8/0x2e10
[  444.908000]  ? warn_alloc+0x120/0x120
[  444.911826]  ? warn_alloc+0x120/0x120
[  444.915631]  ? warn_alloc+0x120/0x120
[  444.919464]  ? print_usage_bug+0xc0/0xc0
[  444.923520]  ? print_usage_bug+0xc0/0xc0
[  444.927581]  ? mark_held_locks+0x130/0x130
[  444.931820]  ? mark_held_locks+0x130/0x130
[  444.936050]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  444.941611]  ? should_fail+0x22d/0xd01
[  444.945503]  ? zap_class+0x640/0x640
[  444.949229]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  444.954324]  ? __lock_acquire+0x62f/0x4c20
[  444.958562]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  444.963663]  ? __lock_acquire+0x62f/0x4c20
[  444.967905]  ? should_fail+0x22d/0xd01
[  444.971815]  ? mark_held_locks+0x130/0x130
[  444.976048]  ? mark_held_locks+0x130/0x130
[  444.980285]  ? lock_downgrade+0x900/0x900
[  444.984469]  ? zap_class+0x640/0x640
[  444.988185]  ? zap_class+0x640/0x640
[  444.991903]  ? zap_class+0x640/0x640
[  444.995638]  ? do_raw_spin_unlock+0xa7/0x330
[  445.000040]  ? trace_hardirqs_on+0x310/0x310
[  445.004439]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.009969]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.015511]  ? check_preemption_disabled+0x48/0x280
[  445.020568]  ? __lock_is_held+0xb5/0x140
[  445.024665]  __alloc_pages_nodemask+0xa80/0xde0
[  445.029325]  ? zap_class+0x640/0x640
[  445.033053]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  445.038088]  ? find_held_lock+0x36/0x1c0
[  445.042181]  ? ____cache_alloc_node+0x1c7/0x1e0
[  445.046844]  ? lock_downgrade+0x900/0x900
[  445.051007]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.056557]  cache_grow_begin+0xa5/0x8c0
[  445.060606]  ? do_raw_spin_unlock+0xa7/0x330
[  445.065041]  fallback_alloc+0x204/0x2e0
[  445.069039]  ____cache_alloc_node+0x1c7/0x1e0
[  445.073580]  kmem_cache_alloc_node+0xe3/0x730
[  445.078082]  ? lockdep_hardirqs_on+0x296/0x5b0
[  445.082662]  __alloc_skb+0x119/0x770
[  445.086475]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  445.091849]  ? netdev_alloc_frag+0x1f0/0x1f0
[  445.096276]  ? vprintk_default+0x28/0x30
[  445.100331]  ? vprintk_func+0x85/0x181
[  445.104213]  ? printk+0xa7/0xcf
[  445.107549]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  445.112316]  ? do_raw_spin_trylock+0x270/0x270
[  445.116938]  new_skb+0x26/0x1c0
[  445.120251]  aoecmd_cfg+0x279/0x7f0
[  445.123903]  ? find_held_lock+0x36/0x1c0
[  445.128005]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  445.132327]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.137911]  ? __lock_is_held+0xb5/0x140
[  445.142004]  discover_timer+0x50/0x60
[  445.145795]  call_timer_fn+0x272/0x920
[  445.149701]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  445.154558]  ? process_timeout+0x40/0x40
[  445.158661]  ? __run_timers+0x7da/0xc70
[  445.162639]  ? _raw_spin_unlock_irq+0x27/0x80
[  445.167136]  ? _raw_spin_unlock_irq+0x27/0x80
[  445.171618]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  445.176450]  ? lockdep_hardirqs_on+0x296/0x5b0
[  445.181088]  ? trace_hardirqs_on+0xbd/0x310
[  445.185434]  ? kasan_check_read+0x11/0x20
[  445.189586]  ? __run_timers+0x7da/0xc70
[  445.193588]  ? trace_hardirqs_off_caller+0x310/0x310
[  445.198709]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  445.203576]  __run_timers+0x7e5/0xc70
[  445.207415]  ? timer_fixup_init+0x70/0x70
[  445.211576]  ? _raw_spin_unlock_irq+0x27/0x80
[  445.216063]  ? _raw_spin_unlock_irq+0x27/0x80
[  445.220583]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  445.225162]  ? trace_hardirqs_on+0xbd/0x310
[  445.229475]  ? kasan_check_read+0x11/0x20
[  445.233617]  ? finish_task_switch+0x1f4/0x910
[  445.238152]  ? trace_hardirqs_off_caller+0x310/0x310
[  445.243294]  ? compat_start_thread+0x80/0x80
[  445.247711]  ? pvclock_read_flags+0x160/0x160
[  445.252211]  ? __switch_to_asm+0x34/0x70
[  445.256267]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.261803]  ? check_preemption_disabled+0x48/0x280
[  445.266825]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  445.272355]  ? rcu_pm_notify+0xc0/0xc0
[  445.276254]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.281786]  ? check_preemption_disabled+0x48/0x280
[  445.286821]  run_timer_softirq+0x52/0xb0
[  445.290907]  ? rcu_read_lock_sched_held+0x14f/0x180
[  445.295944]  __do_softirq+0x308/0xb7e
[  445.299771]  ? trace_hardirqs_on_caller+0xc0/0x310
[  445.304722]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  445.309822]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  445.315270]  ? schedule+0x108/0x460
[  445.318901]  ? trace_hardirqs_off+0xb8/0x310
[  445.323319]  ? smpboot_thread_fn+0x68b/0xa00
[  445.327724]  ? trace_hardirqs_on+0x310/0x310
[  445.332126]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  445.337659]  ? check_preemption_disabled+0x48/0x280
[  445.342669]  ? takeover_tasklets+0xa90/0xa90
[  445.347073]  run_ksoftirqd+0x5e/0x100
[  445.350868]  smpboot_thread_fn+0x68b/0xa00
[  445.355133]  ? sort_range+0x30/0x30
[  445.358761]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  445.363860]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  445.369426]  ? __kthread_parkme+0xfb/0x1a0
[  445.373682]  ? sort_range+0x30/0x30
[  445.377327]  kthread+0x35a/0x440
[  445.380698]  ? kthread_stop+0x900/0x900
[  445.384674]  ret_from_fork+0x3a/0x50
[  445.388402] warn_alloc_show_mem: 1 callbacks suppressed
[  445.388414] CPU: 1 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  445.388415] Mem-Info:
[  445.388448] active_anon:44321 inactive_anon:2061 isolated_anon:0
[  445.388448]  active_file:14 inactive_file:14 isolated_file:0
[  445.388448]  unevictable:0 dirty:0 writeback:0 unstable:0
[  445.388448]  slab_reclaimable:9437 slab_unreclaimable:1460937
[  445.388448]  mapped:49154 shmem:2105 pagetables:642 bounce:0
[  445.388448]  free:13638 free_pcp:328 free_cma:0
[  445.393784] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  445.400727] Node 0 active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8420kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  445.403123] Call Trace:
[  445.436163] 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
[  445.445508]  <IRQ>
[  445.473078] lowmem_reserve[]: 0 2818 6321 6321
[  445.475660]  dump_stack+0x244/0x39d
[  445.501744] Node 0 DMA32 free:24708kB 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
[  445.503890]  ? dump_stack_print_info.cold.1+0x20/0x20
[  445.508446] lowmem_reserve[]: 0 0 3503 3503
[  445.512110]  warn_alloc.cold.116+0xb7/0x1bd
[  445.539577] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2568kB bounce:0kB free_pcp:1064kB local_pcp:692kB free_cma:0kB
[  445.544773]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  445.549077] lowmem_reserve[]: 0 0 0 0
[  445.553392]  ? lock_downgrade+0x900/0x900
[  445.582424] 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
[  445.587288]  ? trace_hardirqs_off+0xb8/0x310
[  445.591057] Node 0 DMA32: 5*4kB (UM) 2*8kB (MH) 2*16kB (MH) 4*32kB (MH) 3*64kB (M) 2*128kB (M) 4*256kB (UMH) 3*512kB (UM) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24708kB
[  445.595206]  ? trace_hardirqs_off+0xb8/0x310
[  445.608707] Node 0 Normal: 930*4kB (MEH) 535*8kB (UMEH) 215*16kB (UME) 80*32kB (UMH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  445.613120]  __alloc_pages_slowpath+0x26e8/0x2e10
[  445.628647] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  445.633100]  ? warn_alloc+0x120/0x120
[  445.646837] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  445.651658]  ? print_usage_bug+0xc0/0xc0
[  445.660464] 2133 total pagecache pages
[  445.664281]  ? warn_alloc+0x120/0x120
[  445.672828] 0 pages in swap cache
[  445.676875]  ? warn_alloc+0x120/0x120
[  445.680736] Swap cache stats: add 0, delete 0, find 0/0
[  445.684514]  ? print_usage_bug+0xc0/0xc0
[  445.687949] Free swap  = 0kB
[  445.691731]  ? kvm_clock_read+0x18/0x30
[  445.697065] Total swap = 0kB
[  445.701110]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  445.704114] 1965979 pages RAM
[  445.708092]  ? print_usage_bug+0xc0/0xc0
[  445.711094] 0 pages HighMem/MovableOnly
[  445.711101] 342853 pages reserved
[  445.716105]  ? __lock_acquire+0x62f/0x4c20
[  445.719182] 0 pages cma reserved
[  445.723232]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  445.727254] aoe: skb alloc failure
[  445.730651]  ? should_fail+0x22d/0xd01
[  445.734933] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  445.738222]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  445.743735] ksoftirqd/0 cpuset=/ mems_allowed=0
[  445.747280]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  445.776442]  ? __lock_acquire+0x62f/0x4c20
[  445.780702]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  445.785799]  ? __lock_acquire+0x62f/0x4c20
[  445.790032]  ? should_fail+0x22d/0xd01
[  445.793914]  ? rcu_irq_exit+0x1a2/0x390
[  445.797892]  ? mark_held_locks+0x130/0x130
[  445.802130]  ? mark_held_locks+0x130/0x130
[  445.806370]  ? mark_held_locks+0xc7/0x130
[  445.810515]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  445.815530]  ? zap_class+0x640/0x640
[  445.819246]  ? print_usage_bug+0xc0/0xc0
[  445.823321]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.828851]  ? check_preemption_disabled+0x48/0x280
[  445.833881]  ? __lock_is_held+0xb5/0x140
[  445.837939]  __alloc_pages_nodemask+0xa80/0xde0
[  445.842614]  ? zap_class+0x640/0x640
[  445.846326]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  445.851346]  ? find_held_lock+0x36/0x1c0
[  445.855440]  ? ____cache_alloc_node+0x1c7/0x1e0
[  445.860141]  ? lock_downgrade+0x900/0x900
[  445.864287]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.869825]  cache_grow_begin+0xa5/0x8c0
[  445.873878]  ? do_raw_spin_unlock+0xa7/0x330
[  445.878284]  fallback_alloc+0x204/0x2e0
[  445.882256]  ____cache_alloc_node+0x1c7/0x1e0
[  445.886744]  kmem_cache_alloc_node+0xe3/0x730
[  445.891248]  ? ipv6_get_ifaddr+0x42e/0x620
[  445.895479]  __alloc_skb+0x119/0x770
[  445.899198]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  445.904468]  ? netdev_alloc_frag+0x1f0/0x1f0
[  445.908890]  ? lock_downgrade+0x900/0x900
[  445.913040]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.918571]  ? refcount_sub_and_test_checked+0x203/0x310
[  445.924017]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  445.929472]  ? addrconf_rs_timer+0x690/0x690
[  445.933883]  ndisc_alloc_skb+0x144/0x340
[  445.937956]  ndisc_send_rs+0x331/0x6e0
[  445.941855]  addrconf_rs_timer+0x314/0x690
[  445.946085]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  445.950325]  call_timer_fn+0x272/0x920
[  445.954217]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  445.958467]  ? process_timeout+0x40/0x40
[  445.962531]  ? mark_held_locks+0xc7/0x130
[  445.966696]  ? _raw_spin_unlock_irq+0x27/0x80
[  445.971186]  ? _raw_spin_unlock_irq+0x27/0x80
[  445.975676]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  445.979939]  ? lockdep_hardirqs_on+0x296/0x5b0
[  445.984547]  ? trace_hardirqs_on+0xbd/0x310
[  445.988863]  ? kasan_check_read+0x11/0x20
[  445.993008]  ? __run_timers+0x7da/0xc70
[  445.997010]  ? trace_hardirqs_off_caller+0x310/0x310
[  446.002136]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  446.006387]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  446.010619]  __run_timers+0x7e5/0xc70
[  446.014428]  ? timer_fixup_init+0x70/0x70
[  446.018576]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  446.023592]  ? zap_class+0x640/0x640
[  446.027309]  ? print_usage_bug+0xc0/0xc0
[  446.031365]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  446.036582]  ? find_held_lock+0x36/0x1c0
[  446.040643]  ? zap_class+0x640/0x640
[  446.044355]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  446.049905]  ? check_preemption_disabled+0x48/0x280
[  446.054945]  ? __lock_is_held+0xb5/0x140
[  446.059020]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  446.064576]  ? check_preemption_disabled+0x48/0x280
[  446.069595]  run_timer_softirq+0x52/0xb0
[  446.073669]  ? rcu_read_lock_sched_held+0x14f/0x180
[  446.078696]  __do_softirq+0x308/0xb7e
[  446.082515]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  446.087030]  ? lock_downgrade+0x900/0x900
[  446.091184]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  446.096295]  ? pvclock_read_flags+0x160/0x160
[  446.100791]  ? lapic_next_event+0x5a/0x90
[  446.104934]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  446.110485]  ? kvm_clock_read+0x18/0x30
[  446.114470]  ? kvm_sched_clock_read+0x9/0x20
[  446.118874]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  446.124436]  ? check_preemption_disabled+0x48/0x280
[  446.129453]  irq_exit+0x17f/0x1c0
[  446.132904]  smp_apic_timer_interrupt+0x1cb/0x760
[  446.137739]  ? smp_reschedule_interrupt+0x109/0x650
[  446.142754]  ? smp_call_function_single_interrupt+0x650/0x650
[  446.148634]  ? interrupt_entry+0xb5/0xc0
[  446.152700]  ? trace_hardirqs_off_caller+0xbb/0x310
[  446.157711]  ? trace_hardirqs_off_caller+0xbb/0x310
[  446.162757]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  446.167597]  ? trace_hardirqs_on_caller+0x310/0x310
[  446.172622]  ? trace_hardirqs_on_caller+0x310/0x310
[  446.177646]  ? task_prio+0x50/0x50
[  446.181201]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  446.186740]  ? check_preemption_disabled+0x48/0x280
[  446.191756]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  446.196598]  apic_timer_interrupt+0xf/0x20
[  446.200835]  </IRQ>
[  446.203134] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  446.208345] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec
[  446.227260] RSP: 0018:ffff8801c2d36100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  446.234974] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100385b2de6
[  446.242276] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c2d96ebc
[  446.249546] RBP: ffff8801c2d36128 R08: ffff8801c2d96f30 R09: 0000000000000006
[  446.256807] R10: 0000000000000000 R11: ffff8801c2d96640 R12: dffffc0000000000
[  446.264103] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  446.271507]  retint_kernel+0x1b/0x2d
[  446.275267] RIP: 0010:dump_stack+0x358/0x39d
[  446.279686] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  446.298575] RSP: 0018:ffff8801c2d361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  446.306271] RAX: ffff8801c2d96640 RBX: 1ffffffff12a3f76 RCX: 1ffff100385b2de6
[  446.313556] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  446.320845] RBP: ffff8801c2d36290 R08: ffff8801c2d96f30 R09: 0000000000000006
[  446.328110] R10: 0000000000000000 R11: ffff8801c2d96640 R12: 1ffff100385a6c45
[  446.335387] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  446.342661]  ? dump_stack+0x34f/0x39d
[  446.346471]  ? dump_stack_print_info.cold.1+0x20/0x20
[  446.351682]  ? mark_held_locks+0x130/0x130
[  446.355937]  ? mark_held_locks+0x130/0x130
[  446.360185]  dump_header+0x27b/0xf72
[  446.363949]  ? pagefault_out_of_memory+0x197/0x197
[  446.368912]  ? __lock_acquire+0x62f/0x4c20
[  446.373142]  ? percpu_ref_get_many+0x240/0x240
[  446.377724]  ? print_usage_bug+0xc0/0xc0
[  446.381826]  ? zap_class+0x640/0x640
[  446.385532]  ? print_usage_bug+0xc0/0xc0
[  446.389595]  ? print_usage_bug+0xc0/0xc0
[  446.393665]  ? zap_class+0x640/0x640
[  446.397386]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  446.402928]  ? find_held_lock+0x36/0x1c0
[  446.407034]  ? mark_held_locks+0xc7/0x130
[  446.411205]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  446.416302]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  446.421399]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  446.425974]  ? trace_hardirqs_on+0xbd/0x310
[  446.430327]  ? kasan_check_read+0x11/0x20
[  446.434468]  ? ___ratelimit+0x3b4/0x672
[  446.438438]  ? trace_hardirqs_off_caller+0x310/0x310
[  446.443575]  ? trace_hardirqs_on+0x310/0x310
[  446.447994]  ? lock_downgrade+0x900/0x900
[  446.452154]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  446.457269]  ? ___ratelimit+0x3b9/0x672
[  446.461247]  ? idr_get_free+0xf70/0xf70
[  446.465229]  ? find_held_lock+0x36/0x1c0
[  446.469290]  oom_kill_process.cold.27+0x10/0x903
[  446.474059]  ? zap_class+0x640/0x640
[  446.477867]  ? check_preemption_disabled+0x48/0x280
[  446.482908]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  446.487842]  ? kasan_check_read+0x11/0x20
[  446.492011]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  446.497281]  ? oom_evaluate_task+0x540/0x540
[  446.501698]  ? find_held_lock+0x36/0x1c0
[  446.505755]  ? out_of_memory+0x974/0x1430
[  446.509909]  ? lock_downgrade+0x900/0x900
[  446.514081]  ? check_preemption_disabled+0x48/0x280
[  446.519088]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  446.524019]  ? kasan_check_read+0x11/0x20
[  446.528189]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  446.533458]  ? rcu_softirq_qs+0x20/0x20
[  446.537430]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  446.542958]  ? oom_evaluate_task+0x302/0x540
[  446.547392]  out_of_memory+0xa84/0x1430
[  446.551364]  ? oom_killer_disable+0x3a0/0x3a0
[  446.555848]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  446.560772]  ? __ww_mutex_check_waiters+0x160/0x160
[  446.565791]  __alloc_pages_slowpath+0x2354/0x2e10
[  446.570646]  ? warn_alloc+0x120/0x120
[  446.574432]  ? mark_held_locks+0x130/0x130
[  446.578677]  ? find_get_entry+0xaae/0x1120
[  446.582939]  ? filemap_map_pages+0x1a20/0x1a20
[  446.587518]  ? zap_class+0x640/0x640
[  446.591235]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  446.596786]  ? check_preemption_disabled+0x48/0x280
[  446.601804]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  446.607330]  ? should_fail+0x22d/0xd01
[  446.611249]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  446.616356]  ? zap_class+0x640/0x640
[  446.620204]  ? __lock_is_held+0xb5/0x140
[  446.624279]  ? mark_held_locks+0x130/0x130
[  446.628514]  ? lock_release+0xa00/0xa00
[  446.632488]  ? perf_trace_sched_process_exec+0x860/0x860
[  446.637946]  ? xa_load+0x2ba/0x460
[  446.641483]  ? lock_downgrade+0x900/0x900
[  446.645637]  ? __might_sleep+0x95/0x190
[  446.649620]  __alloc_pages_nodemask+0xa80/0xde0
[  446.654305]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  446.659326]  ? __page_cache_alloc+0x191/0x5c0
[  446.663821]  ? xa_load+0x2e1/0x460
[  446.667368]  ? xa_clear_mark+0x40/0x40
[  446.671257]  ? zap_class+0x640/0x640
[  446.674978]  ? zap_class+0x640/0x640
[  446.678695]  ? zap_class+0x640/0x640
[  446.682413]  ? __do_page_cache_readahead+0x663/0x810
[  446.687525]  ? find_held_lock+0x36/0x1c0
[  446.691598]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  446.697145]  alloc_pages_current+0x173/0x350
[  446.701566]  __page_cache_alloc+0x38c/0x5c0
[  446.705889]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  446.710817]  ? kasan_check_read+0x11/0x20
[  446.714988]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  446.720272]  ? generic_perform_write+0x6a0/0x6a0
[  446.725042]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  446.730585]  ? check_preemption_disabled+0x48/0x280
[  446.735617]  filemap_fault+0x1595/0x25f0
[  446.739691]  ? __lock_page_or_retry+0xa00/0xa00
[  446.744373]  ? mark_held_locks+0x130/0x130
[  446.748616]  ? filemap_map_pages+0xd6b/0x1a20
[  446.753630]  ? lock_downgrade+0x900/0x900
[  446.757785]  ? check_preemption_disabled+0x48/0x280
[  446.762815]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  446.767744]  ? kasan_check_read+0x11/0x20
[  446.771893]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  446.777171]  ? rcu_softirq_qs+0x20/0x20
[  446.781169]  ? filemap_map_pages+0xd92/0x1a20
[  446.785677]  ? find_get_entries_tag+0x1400/0x1400
[  446.790516]  ? find_held_lock+0x36/0x1c0
[  446.794603]  ? lock_acquire+0x1ed/0x520
[  446.798580]  ? ext4_filemap_fault+0x7a/0xad
[  446.802910]  ? lock_release+0xa00/0xa00
[  446.806880]  ? perf_trace_sched_process_exec+0x860/0x860
[  446.812339]  ? print_usage_bug+0xc0/0xc0
[  446.816430]  ? down_read+0x8d/0x120
[  446.820057]  ? ext4_filemap_fault+0x7a/0xad
[  446.824382]  ? __down_interruptible+0x700/0x700
[  446.829074]  ? find_held_lock+0x36/0x1c0
[  446.833143]  ext4_filemap_fault+0x82/0xad
[  446.837307]  __do_fault+0x100/0x6b0
[  446.840936]  ? lock_downgrade+0x900/0x900
[  446.845090]  ? pmd_devmap_trans_unstable+0x220/0x220
[  446.850213]  ? kasan_check_read+0x11/0x20
[  446.854363]  ? do_raw_spin_unlock+0xa7/0x330
[  446.858769]  ? do_raw_spin_trylock+0x270/0x270
[  446.863444]  __handle_mm_fault+0x3ea0/0x5be0
[  446.867848]  ? perf_trace_lock+0x7a0/0x7a0
[  446.872085]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  446.876973]  ? zap_class+0x640/0x640
[  446.880696]  ? zap_class+0x640/0x640
[  446.884419]  ? __x64_sys_futex+0x53e/0x6a0
[  446.888648]  ? find_held_lock+0x36/0x1c0
[  446.892760]  ? handle_mm_fault+0x42a/0xc70
[  446.897026]  ? lock_downgrade+0x900/0x900
[  446.901190]  ? check_preemption_disabled+0x48/0x280
[  446.906208]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  446.911129]  ? kasan_check_read+0x11/0x20
[  446.915271]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  446.920580]  ? rcu_softirq_qs+0x20/0x20
[  446.924574]  ? trace_hardirqs_off_caller+0x310/0x310
[  446.929672]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  446.935201]  ? check_preemption_disabled+0x48/0x280
[  446.940256]  handle_mm_fault+0x54f/0xc70
[  446.944345]  ? __handle_mm_fault+0x5be0/0x5be0
[  446.948939]  ? find_vma+0x34/0x190
[  446.952508]  __do_page_fault+0x5e8/0xe60
[  446.956597]  ? trace_hardirqs_off+0xb8/0x310
[  446.961028]  ? kernel_write+0x120/0x120
[  446.965009]  do_page_fault+0xf2/0x7e0
[  446.968803]  ? vmalloc_sync_all+0x30/0x30
[  446.972981]  ? error_entry+0x70/0xd0
[  446.976702]  ? trace_hardirqs_off_caller+0xbb/0x310
[  446.981708]  ? trace_hardirqs_on_caller+0xc0/0x310
[  446.986631]  ? syscall_return_slowpath+0x5e0/0x5e0
[  446.991570]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  446.996436]  ? trace_hardirqs_on_caller+0x310/0x310
[  447.001461]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  447.006907]  ? prepare_exit_to_usermode+0x291/0x3b0
[  447.011916]  ? page_fault+0x8/0x30
[  447.015448]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  447.020282]  ? page_fault+0x8/0x30
[  447.023834]  page_fault+0x1e/0x30
[  447.027274] RIP: 0033:0x404068
[  447.030488] Code: Bad RIP value.
[  447.033841] RSP: 002b:000000c420024e48 EFLAGS: 00010206
[  447.039205] RAX: 000000c422dd4cc0 RBX: 000000c42875f801 RCX: 000000c424d31838
[  447.046462] RDX: 000000c422dd4cc0 RSI: 0000000000000001 RDI: 0000000000000001
[  447.053738] RBP: 000000c420024ed8 R08: 00007ffd3a9b40b0 R09: 00007ffd3a9b4080
[  447.061000] R10: 000000000000eacc R11: 0000000000000165 R12: 0000000000000001
[  447.068260] R13: 000000c4271c3620 R14: 0000000000000001 R15: 0000000000000000
[  447.075536] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #83
[  447.075617] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  447.082310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  447.082318] Call Trace:
[  447.088891] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  447.098172]  dump_stack+0x244/0x39d
[  447.100748] syz-fuzzer cpuset=/ mems_allowed=0
[  447.110963]  ? dump_stack_print_info.cold.1+0x20/0x20
[  447.124359]  warn_alloc.cold.116+0xb7/0x1bd
[  447.128681]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  447.133527]  ? lock_downgrade+0x900/0x900
[  447.137685]  ? trace_hardirqs_off+0xb8/0x310
[  447.142096]  ? trace_hardirqs_off+0xb8/0x310
[  447.146525]  __alloc_pages_slowpath+0x26e8/0x2e10
[  447.151397]  ? warn_alloc+0x120/0x120
[  447.155197]  ? warn_alloc+0x120/0x120
[  447.159010]  ? warn_alloc+0x120/0x120
[  447.162811]  ? print_usage_bug+0xc0/0xc0
[  447.166890]  ? print_usage_bug+0xc0/0xc0
[  447.170944]  ? mark_held_locks+0x130/0x130
[  447.175175]  ? mark_held_locks+0x130/0x130
[  447.179405]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  447.184939]  ? should_fail+0x22d/0xd01
[  447.188824]  ? zap_class+0x640/0x640
[  447.192546]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  447.197647]  ? __lock_acquire+0x62f/0x4c20
[  447.201882]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  447.207008]  ? __lock_acquire+0x62f/0x4c20
[  447.211238]  ? should_fail+0x22d/0xd01
[  447.215131]  ? mark_held_locks+0x130/0x130
[  447.219364]  ? mark_held_locks+0x130/0x130
[  447.223592]  ? lock_downgrade+0x900/0x900
[  447.227743]  ? zap_class+0x640/0x640
[  447.231451]  ? zap_class+0x640/0x640
[  447.235155]  ? do_raw_spin_unlock+0xa7/0x330
[  447.239562]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  447.244311]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  447.249847]  ? check_preemption_disabled+0x48/0x280
[  447.254869]  ? __lock_is_held+0xb5/0x140
[  447.258963]  __alloc_pages_nodemask+0xa80/0xde0
[  447.263641]  ? zap_class+0x640/0x640
[  447.267352]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  447.272373]  ? find_held_lock+0x36/0x1c0
[  447.276466]  ? ____cache_alloc_node+0x1c7/0x1e0
[  447.281131]  ? lock_downgrade+0x900/0x900
[  447.285312]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  447.290861]  cache_grow_begin+0xa5/0x8c0
[  447.294919]  ? do_raw_spin_unlock+0xa7/0x330
[  447.299344]  fallback_alloc+0x204/0x2e0
[  447.303322]  ____cache_alloc_node+0x1c7/0x1e0
[  447.307839]  kmem_cache_alloc_node+0xe3/0x730
[  447.312332]  ? lockdep_hardirqs_on+0x296/0x5b0
[  447.316922]  __alloc_skb+0x119/0x770
[  447.320627]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  447.325990]  ? netdev_alloc_frag+0x1f0/0x1f0
[  447.330405]  ? vprintk_default+0x28/0x30
[  447.334465]  ? vprintk_func+0x85/0x181
[  447.338349]  ? printk+0xa7/0xcf
[  447.341627]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  447.346387]  ? do_raw_spin_trylock+0x270/0x270
[  447.351002]  new_skb+0x26/0x1c0
[  447.354279]  aoecmd_cfg+0x279/0x7f0
[  447.357906]  ? find_held_lock+0x36/0x1c0
[  447.361965]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  447.366289]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  447.371836]  ? __lock_is_held+0xb5/0x140
[  447.375904]  discover_timer+0x50/0x60
[  447.379715]  call_timer_fn+0x272/0x920
[  447.383598]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  447.388434]  ? process_timeout+0x40/0x40
[  447.392494]  ? __run_timers+0x7da/0xc70
[  447.396463]  ? _raw_spin_unlock_irq+0x27/0x80
[  447.400963]  ? _raw_spin_unlock_irq+0x27/0x80
[  447.405478]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  447.410313]  ? lockdep_hardirqs_on+0x296/0x5b0
[  447.414923]  ? trace_hardirqs_on+0xbd/0x310
[  447.419283]  ? kasan_check_read+0x11/0x20
[  447.423438]  ? __run_timers+0x7da/0xc70
[  447.427407]  ? trace_hardirqs_off_caller+0x310/0x310
[  447.432517]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  447.437359]  __run_timers+0x7e5/0xc70
[  447.441188]  ? timer_fixup_init+0x70/0x70
[  447.445364]  ? _raw_spin_unlock_irq+0x27/0x80
[  447.449867]  ? _raw_spin_unlock_irq+0x27/0x80
[  447.454354]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  447.458930]  ? trace_hardirqs_on+0xbd/0x310
[  447.463290]  ? kasan_check_read+0x11/0x20
[  447.467433]  ? finish_task_switch+0x1f4/0x910
[  447.471923]  ? trace_hardirqs_off_caller+0x310/0x310
[  447.477020]  ? compat_start_thread+0x80/0x80
[  447.481440]  ? pvclock_read_flags+0x160/0x160
[  447.485922]  ? __switch_to_asm+0x34/0x70
[  447.489978]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  447.495510]  ? check_preemption_disabled+0x48/0x280
[  447.500555]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  447.506089]  ? rcu_pm_notify+0xc0/0xc0
[  447.509969]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  447.515510]  ? check_preemption_disabled+0x48/0x280
[  447.520577]  run_timer_softirq+0x52/0xb0
[  447.524630]  ? rcu_read_lock_sched_held+0x14f/0x180
[  447.529653]  __do_softirq+0x308/0xb7e
[  447.533452]  ? trace_hardirqs_on_caller+0xc0/0x310
[  447.538376]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  447.543469]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  447.548934]  ? schedule+0x108/0x460
[  447.552568]  ? trace_hardirqs_off+0xb8/0x310
[  447.556971]  ? smpboot_thread_fn+0x68b/0xa00
[  447.561371]  ? trace_hardirqs_on+0x310/0x310
[  447.565776]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  447.571313]  ? check_preemption_disabled+0x48/0x280
[  447.576342]  ? takeover_tasklets+0xa90/0xa90
[  447.580747]  run_ksoftirqd+0x5e/0x100
[  447.584552]  smpboot_thread_fn+0x68b/0xa00
[  447.588807]  ? sort_range+0x30/0x30
[  447.592490]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  447.597586]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  447.603161]  ? __kthread_parkme+0xfb/0x1a0
[  447.607438]  ? sort_range+0x30/0x30
[  447.611073]  kthread+0x35a/0x440
[  447.614464]  ? kthread_stop+0x900/0x900
[  447.618434]  ret_from_fork+0x3a/0x50
[  447.622158] CPU: 1 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  447.622163] warn_alloc_show_mem: 1 callbacks suppressed
[  447.622169] Mem-Info:
[  447.629091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  447.634448] active_anon:44321 inactive_anon:2061 isolated_anon:0
[  447.634448]  active_file:14 inactive_file:14 isolated_file:0
[  447.634448]  unevictable:0 dirty:0 writeback:0 unstable:0
[  447.634448]  slab_reclaimable:9437 slab_unreclaimable:1460937
[  447.634448]  mapped:49154 shmem:2105 pagetables:642 bounce:0
[  447.634448]  free:13638 free_pcp:328 free_cma:0
[  447.636814] Call Trace:
[  447.646200] Node 0 active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8420kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  447.679212]  <IRQ>
[  447.681771] 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
[  447.709341]  dump_stack+0x244/0x39d
[  447.711459] lowmem_reserve[]: 0 2818 6321 6321
[  447.737564]  ? dump_stack_print_info.cold.1+0x20/0x20
[  447.741161] Node 0 DMA32 free:24708kB 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
[  447.745733]  warn_alloc.cold.116+0xb7/0x1bd
[  447.750884] lowmem_reserve[]: 0 0 3503 3503
[  447.778383]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  447.782681] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2568kB bounce:0kB free_pcp:1064kB local_pcp:692kB free_cma:0kB
[  447.786998]  ? lock_downgrade+0x900/0x900
[  447.791811] lowmem_reserve[]: 0 0 0 0
[  447.820865]  ? trace_hardirqs_off+0xb8/0x310
[  447.825021] 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
[  447.828825]  ? trace_hardirqs_off+0xb8/0x310
[  447.833204] Node 0 DMA32: 5*4kB (UM) 2*8kB (MH) 2*16kB (MH) 4*32kB (MH) 3*64kB (M) 2*128kB (M) 4*256kB (UMH) 3*512kB (UM) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24708kB
[  447.846722]  __alloc_pages_slowpath+0x26e8/0x2e10
[  447.851103] Node 0 Normal: 930*4kB (MEH) 535*8kB (UMEH) 215*16kB (UME) 80*32kB (UMH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  447.866662]  ? warn_alloc+0x120/0x120
[  447.871496] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  447.885267]  ? print_usage_bug+0xc0/0xc0
[  447.889089] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  447.897937]  ? warn_alloc+0x120/0x120
[  447.901972] 2133 total pagecache pages
[  447.910551]  ? warn_alloc+0x120/0x120
[  447.914325] 0 pages in swap cache
[  447.918208]  ? print_usage_bug+0xc0/0xc0
[  447.922002] Swap cache stats: add 0, delete 0, find 0/0
[  447.925442]  ? kvm_clock_read+0x18/0x30
[  447.929490] Free swap  = 0kB
[  447.934854]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  447.938805] Total swap = 0kB
[  447.941805]  ? print_usage_bug+0xc0/0xc0
[  447.946804] 1965979 pages RAM
[  447.949819]  ? __lock_acquire+0x62f/0x4c20
[  447.953850] 0 pages HighMem/MovableOnly
[  447.956975]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  447.961305] 342853 pages reserved
[  447.965267]  ? should_fail+0x22d/0xd01
[  447.970790] 0 pages cma reserved
[  447.974224]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  447.978126] aoe: skb alloc failure
[  447.981454]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  447.986757] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  447.990250]  ? __lock_acquire+0x62f/0x4c20
[  447.995324] ksoftirqd/0 cpuset=/ mems_allowed=0
[  448.005633]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  448.019596]  ? __lock_acquire+0x62f/0x4c20
[  448.023816]  ? should_fail+0x22d/0xd01
[  448.027707]  ? rcu_irq_exit+0x1a2/0x390
[  448.031676]  ? mark_held_locks+0x130/0x130
[  448.035904]  ? mark_held_locks+0x130/0x130
[  448.040151]  ? mark_held_locks+0xc7/0x130
[  448.044292]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  448.049320]  ? zap_class+0x640/0x640
[  448.053035]  ? print_usage_bug+0xc0/0xc0
[  448.057107]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  448.062635]  ? check_preemption_disabled+0x48/0x280
[  448.067651]  ? __lock_is_held+0xb5/0x140
[  448.071712]  __alloc_pages_nodemask+0xa80/0xde0
[  448.076383]  ? zap_class+0x640/0x640
[  448.080087]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  448.085102]  ? find_held_lock+0x36/0x1c0
[  448.089159]  ? ____cache_alloc_node+0x1c7/0x1e0
[  448.093865]  ? lock_downgrade+0x900/0x900
[  448.098019]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  448.103568]  cache_grow_begin+0xa5/0x8c0
[  448.107636]  ? do_raw_spin_unlock+0xa7/0x330
[  448.112040]  fallback_alloc+0x204/0x2e0
[  448.116019]  ____cache_alloc_node+0x1c7/0x1e0
[  448.120509]  kmem_cache_alloc_node+0xe3/0x730
[  448.124995]  ? ipv6_get_ifaddr+0x42e/0x620
[  448.129257]  __alloc_skb+0x119/0x770
[  448.133010]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  448.138311]  ? netdev_alloc_frag+0x1f0/0x1f0
[  448.142711]  ? lock_downgrade+0x900/0x900
[  448.146860]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  448.152389]  ? refcount_sub_and_test_checked+0x203/0x310
[  448.157839]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  448.163292]  ? addrconf_rs_timer+0x690/0x690
[  448.167718]  ndisc_alloc_skb+0x144/0x340
[  448.171789]  ndisc_send_rs+0x331/0x6e0
[  448.175684]  addrconf_rs_timer+0x314/0x690
[  448.179925]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  448.184171]  call_timer_fn+0x272/0x920
[  448.188062]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  448.192305]  ? process_timeout+0x40/0x40
[  448.196388]  ? mark_held_locks+0xc7/0x130
[  448.200546]  ? _raw_spin_unlock_irq+0x27/0x80
[  448.205043]  ? _raw_spin_unlock_irq+0x27/0x80
[  448.209536]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  448.213787]  ? lockdep_hardirqs_on+0x296/0x5b0
[  448.218375]  ? trace_hardirqs_on+0xbd/0x310
[  448.222698]  ? kasan_check_read+0x11/0x20
[  448.226847]  ? __run_timers+0x7da/0xc70
[  448.230822]  ? trace_hardirqs_off_caller+0x310/0x310
[  448.235939]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  448.240170]  __run_timers+0x7e5/0xc70
[  448.243980]  ? timer_fixup_init+0x70/0x70
[  448.248131]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  448.253167]  ? zap_class+0x640/0x640
[  448.256888]  ? print_usage_bug+0xc0/0xc0
[  448.260966]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  448.266163]  ? find_held_lock+0x36/0x1c0
[  448.270245]  ? zap_class+0x640/0x640
[  448.273983]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  448.279523]  ? check_preemption_disabled+0x48/0x280
[  448.284571]  ? __lock_is_held+0xb5/0x140
[  448.288640]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  448.294176]  ? check_preemption_disabled+0x48/0x280
[  448.299217]  run_timer_softirq+0x52/0xb0
[  448.303294]  ? rcu_read_lock_sched_held+0x14f/0x180
[  448.308335]  __do_softirq+0x308/0xb7e
[  448.312141]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  448.316637]  ? lock_downgrade+0x900/0x900
[  448.320792]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  448.325905]  ? pvclock_read_flags+0x160/0x160
[  448.330407]  ? lapic_next_event+0x5a/0x90
[  448.334566]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  448.340108]  ? kvm_clock_read+0x18/0x30
[  448.344085]  ? kvm_sched_clock_read+0x9/0x20
[  448.348509]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  448.354053]  ? check_preemption_disabled+0x48/0x280
[  448.359078]  irq_exit+0x17f/0x1c0
[  448.362557]  smp_apic_timer_interrupt+0x1cb/0x760
[  448.367399]  ? smp_reschedule_interrupt+0x109/0x650
[  448.372414]  ? smp_call_function_single_interrupt+0x650/0x650
[  448.378295]  ? interrupt_entry+0xb5/0xc0
[  448.382362]  ? trace_hardirqs_off_caller+0xbb/0x310
[  448.387375]  ? trace_hardirqs_off_caller+0xbb/0x310
[  448.392394]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  448.397234]  ? trace_hardirqs_on_caller+0x310/0x310
[  448.402249]  ? trace_hardirqs_on_caller+0x310/0x310
[  448.407257]  ? task_prio+0x50/0x50
[  448.410804]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  448.416335]  ? check_preemption_disabled+0x48/0x280
[  448.421355]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  448.426197]  apic_timer_interrupt+0xf/0x20
[  448.430429]  </IRQ>
[  448.432670] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  448.437979] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec
[  448.456874] RSP: 0018:ffff8801c2d36100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  448.464570] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100385b2de6
[  448.471870] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c2d96ebc
[  448.479147] RBP: ffff8801c2d36128 R08: ffff8801c2d96f30 R09: 0000000000000006
[  448.486407] R10: 0000000000000000 R11: ffff8801c2d96640 R12: dffffc0000000000
[  448.493664] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  448.500952]  retint_kernel+0x1b/0x2d
[  448.504657] RIP: 0010:dump_stack+0x358/0x39d
[  448.509054] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  448.527941] RSP: 0018:ffff8801c2d361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  448.535649] RAX: ffff8801c2d96640 RBX: 1ffffffff12a3f76 RCX: 1ffff100385b2de6
[  448.542924] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  448.550182] RBP: ffff8801c2d36290 R08: ffff8801c2d96f30 R09: 0000000000000006
[  448.557437] R10: 0000000000000000 R11: ffff8801c2d96640 R12: 1ffff100385a6c45
[  448.564706] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  448.572005]  ? dump_stack+0x34f/0x39d
[  448.575806]  ? dump_stack_print_info.cold.1+0x20/0x20
[  448.580993]  ? mark_held_locks+0x130/0x130
[  448.585219]  ? mark_held_locks+0x130/0x130
[  448.589525]  dump_header+0x27b/0xf72
[  448.593264]  ? pagefault_out_of_memory+0x197/0x197
[  448.598220]  ? __lock_acquire+0x62f/0x4c20
[  448.602466]  ? percpu_ref_get_many+0x240/0x240
[  448.607057]  ? print_usage_bug+0xc0/0xc0
[  448.611134]  ? zap_class+0x640/0x640
[  448.614845]  ? print_usage_bug+0xc0/0xc0
[  448.618919]  ? print_usage_bug+0xc0/0xc0
[  448.623139]  ? zap_class+0x640/0x640
[  448.626849]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  448.632400]  ? find_held_lock+0x36/0x1c0
[  448.636463]  ? mark_held_locks+0xc7/0x130
[  448.640620]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  448.645733]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  448.650850]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  448.655468]  ? trace_hardirqs_on+0xbd/0x310
[  448.659783]  ? kasan_check_read+0x11/0x20
[  448.663936]  ? ___ratelimit+0x3b4/0x672
[  448.667943]  ? trace_hardirqs_off_caller+0x310/0x310
[  448.673053]  ? trace_hardirqs_on+0x310/0x310
[  448.677488]  ? lock_downgrade+0x900/0x900
[  448.681645]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  448.686740]  ? ___ratelimit+0x3b9/0x672
[  448.690721]  ? idr_get_free+0xf70/0xf70
[  448.694687]  ? find_held_lock+0x36/0x1c0
[  448.698746]  oom_kill_process.cold.27+0x10/0x903
[  448.703508]  ? zap_class+0x640/0x640
[  448.707258]  ? check_preemption_disabled+0x48/0x280
[  448.712268]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  448.717273]  ? kasan_check_read+0x11/0x20
[  448.721416]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  448.726697]  ? oom_evaluate_task+0x540/0x540
[  448.731099]  ? find_held_lock+0x36/0x1c0
[  448.735155]  ? out_of_memory+0x974/0x1430
[  448.739311]  ? lock_downgrade+0x900/0x900
[  448.743447]  ? check_preemption_disabled+0x48/0x280
[  448.748455]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  448.753868]  ? kasan_check_read+0x11/0x20
[  448.758006]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  448.763278]  ? rcu_softirq_qs+0x20/0x20
[  448.767281]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  448.772821]  ? oom_evaluate_task+0x302/0x540
[  448.777229]  out_of_memory+0xa84/0x1430
[  448.781211]  ? oom_killer_disable+0x3a0/0x3a0
[  448.785694]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  448.790629]  ? __ww_mutex_check_waiters+0x160/0x160
[  448.795660]  __alloc_pages_slowpath+0x2354/0x2e10
[  448.800568]  ? warn_alloc+0x120/0x120
[  448.804397]  ? mark_held_locks+0x130/0x130
[  448.808640]  ? find_get_entry+0xaae/0x1120
[  448.812875]  ? filemap_map_pages+0x1a20/0x1a20
[  448.817452]  ? zap_class+0x640/0x640
[  448.821195]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  448.826756]  ? check_preemption_disabled+0x48/0x280
[  448.831769]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  448.837311]  ? should_fail+0x22d/0xd01
[  448.841201]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  448.846313]  ? zap_class+0x640/0x640
[  448.850068]  ? __lock_is_held+0xb5/0x140
[  448.854154]  ? mark_held_locks+0x130/0x130
[  448.858393]  ? lock_release+0xa00/0xa00
[  448.862367]  ? perf_trace_sched_process_exec+0x860/0x860
[  448.867818]  ? xa_load+0x2ba/0x460
[  448.871390]  ? lock_downgrade+0x900/0x900
[  448.875550]  ? __might_sleep+0x95/0x190
[  448.879529]  __alloc_pages_nodemask+0xa80/0xde0
[  448.884214]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  448.889259]  ? __page_cache_alloc+0x191/0x5c0
[  448.893756]  ? xa_load+0x2e1/0x460
[  448.897297]  ? xa_clear_mark+0x40/0x40
[  448.901207]  ? zap_class+0x640/0x640
[  448.904926]  ? zap_class+0x640/0x640
[  448.908658]  ? zap_class+0x640/0x640
[  448.912389]  ? __do_page_cache_readahead+0x663/0x810
[  448.917507]  ? find_held_lock+0x36/0x1c0
[  448.921586]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  448.927130]  alloc_pages_current+0x173/0x350
[  448.931593]  __page_cache_alloc+0x38c/0x5c0
[  448.935957]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  448.940879]  ? kasan_check_read+0x11/0x20
[  448.945066]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  448.950339]  ? generic_perform_write+0x6a0/0x6a0
[  448.955107]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  448.960636]  ? check_preemption_disabled+0x48/0x280
[  448.965678]  filemap_fault+0x1595/0x25f0
[  448.969743]  ? __lock_page_or_retry+0xa00/0xa00
[  448.974424]  ? mark_held_locks+0x130/0x130
[  448.978663]  ? filemap_map_pages+0xd6b/0x1a20
[  448.983152]  ? lock_downgrade+0x900/0x900
[  448.987318]  ? check_preemption_disabled+0x48/0x280
[  448.992329]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  448.997262]  ? kasan_check_read+0x11/0x20
[  449.001418]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  449.006714]  ? rcu_softirq_qs+0x20/0x20
[  449.010707]  ? filemap_map_pages+0xd92/0x1a20
[  449.015219]  ? find_get_entries_tag+0x1400/0x1400
[  449.020085]  ? find_held_lock+0x36/0x1c0
[  449.024180]  ? lock_acquire+0x1ed/0x520
[  449.028169]  ? ext4_filemap_fault+0x7a/0xad
[  449.032485]  ? lock_release+0xa00/0xa00
[  449.036451]  ? perf_trace_sched_process_exec+0x860/0x860
[  449.041896]  ? print_usage_bug+0xc0/0xc0
[  449.045981]  ? down_read+0x8d/0x120
[  449.049610]  ? ext4_filemap_fault+0x7a/0xad
[  449.053933]  ? __down_interruptible+0x700/0x700
[  449.058610]  ? find_held_lock+0x36/0x1c0
[  449.062666]  ext4_filemap_fault+0x82/0xad
[  449.066819]  __do_fault+0x100/0x6b0
[  449.070471]  ? lock_downgrade+0x900/0x900
[  449.074612]  ? pmd_devmap_trans_unstable+0x220/0x220
[  449.079712]  ? kasan_check_read+0x11/0x20
[  449.083849]  ? do_raw_spin_unlock+0xa7/0x330
[  449.088250]  ? do_raw_spin_trylock+0x270/0x270
[  449.092849]  __handle_mm_fault+0x3ea0/0x5be0
[  449.097246]  ? perf_trace_lock+0x7a0/0x7a0
[  449.101490]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  449.106373]  ? zap_class+0x640/0x640
[  449.110115]  ? zap_class+0x640/0x640
[  449.113848]  ? __x64_sys_futex+0x53e/0x6a0
[  449.118079]  ? find_held_lock+0x36/0x1c0
[  449.122140]  ? handle_mm_fault+0x42a/0xc70
[  449.126365]  ? lock_downgrade+0x900/0x900
[  449.130532]  ? check_preemption_disabled+0x48/0x280
[  449.135555]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  449.140491]  ? kasan_check_read+0x11/0x20
[  449.144628]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  449.149910]  ? rcu_softirq_qs+0x20/0x20
[  449.153913]  ? trace_hardirqs_off_caller+0x310/0x310
[  449.159045]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  449.164633]  ? check_preemption_disabled+0x48/0x280
[  449.169647]  handle_mm_fault+0x54f/0xc70
[  449.173702]  ? __handle_mm_fault+0x5be0/0x5be0
[  449.178288]  ? find_vma+0x34/0x190
[  449.181833]  __do_page_fault+0x5e8/0xe60
[  449.185911]  ? trace_hardirqs_off+0xb8/0x310
[  449.190316]  ? kernel_write+0x120/0x120
[  449.194289]  do_page_fault+0xf2/0x7e0
[  449.198099]  ? vmalloc_sync_all+0x30/0x30
[  449.202264]  ? error_entry+0x70/0xd0
[  449.206009]  ? trace_hardirqs_off_caller+0xbb/0x310
[  449.211032]  ? trace_hardirqs_on_caller+0xc0/0x310
[  449.215968]  ? syscall_return_slowpath+0x5e0/0x5e0
[  449.220920]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  449.225758]  ? trace_hardirqs_on_caller+0x310/0x310
[  449.230767]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  449.236218]  ? prepare_exit_to_usermode+0x291/0x3b0
[  449.241226]  ? page_fault+0x8/0x30
[  449.244797]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  449.249647]  ? page_fault+0x8/0x30
[  449.253183]  page_fault+0x1e/0x30
[  449.256645] RIP: 0033:0x404068
[  449.259858] Code: Bad RIP value.
[  449.263277] RSP: 002b:000000c420024e48 EFLAGS: 00010206
[  449.268656] RAX: 000000c422dd4cc0 RBX: 000000c42875f801 RCX: 000000c424d31838
[  449.275925] RDX: 000000c422dd4cc0 RSI: 0000000000000001 RDI: 0000000000000001
[  449.283198] RBP: 000000c420024ed8 R08: 00007ffd3a9b40b0 R09: 00007ffd3a9b4080
[  449.290461] R10: 000000000000eacc R11: 0000000000000165 R12: 0000000000000001
[  449.297741] R13: 000000c4271c3620 R14: 0000000000000001 R15: 0000000000000000
[  449.305030] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #83
[  449.305082] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  449.311810] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  449.318370] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  449.327626] Call Trace:
[  449.337834] syz-fuzzer cpuset=/ mems_allowed=0
[  449.340425]  dump_stack+0x244/0x39d
[  449.348614]  ? dump_stack_print_info.cold.1+0x20/0x20
[  449.353832]  warn_alloc.cold.116+0xb7/0x1bd
[  449.358184]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  449.363049]  ? lock_downgrade+0x900/0x900
[  449.367227]  ? trace_hardirqs_off+0xb8/0x310
[  449.371639]  ? trace_hardirqs_off+0xb8/0x310
[  449.376085]  __alloc_pages_slowpath+0x26e8/0x2e10
[  449.380998]  ? warn_alloc+0x120/0x120
[  449.384822]  ? warn_alloc+0x120/0x120
[  449.388620]  ? warn_alloc+0x120/0x120
[  449.392420]  ? print_usage_bug+0xc0/0xc0
[  449.396494]  ? print_usage_bug+0xc0/0xc0
[  449.400557]  ? mark_held_locks+0x130/0x130
[  449.404786]  ? mark_held_locks+0x130/0x130
[  449.409061]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  449.414636]  ? should_fail+0x22d/0xd01
[  449.418548]  ? zap_class+0x640/0x640
[  449.422259]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  449.427352]  ? __lock_acquire+0x62f/0x4c20
[  449.431601]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  449.436694]  ? __lock_acquire+0x62f/0x4c20
[  449.440922]  ? should_fail+0x22d/0xd01
[  449.444828]  ? mark_held_locks+0x130/0x130
[  449.449060]  ? mark_held_locks+0x130/0x130
[  449.453283]  ? lock_downgrade+0x900/0x900
[  449.457420]  ? zap_class+0x640/0x640
[  449.461146]  ? zap_class+0x640/0x640
[  449.464850]  ? do_raw_spin_unlock+0xa7/0x330
[  449.469281]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  449.474045]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.479576]  ? check_preemption_disabled+0x48/0x280
[  449.484607]  ? __lock_is_held+0xb5/0x140
[  449.488665]  __alloc_pages_nodemask+0xa80/0xde0
[  449.493325]  ? zap_class+0x640/0x640
[  449.497034]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  449.502049]  ? find_held_lock+0x36/0x1c0
[  449.506110]  ? ____cache_alloc_node+0x1c7/0x1e0
[  449.510771]  ? lock_downgrade+0x900/0x900
[  449.514911]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.520455]  cache_grow_begin+0xa5/0x8c0
[  449.524506]  ? do_raw_spin_unlock+0xa7/0x330
[  449.528914]  fallback_alloc+0x204/0x2e0
[  449.532888]  ____cache_alloc_node+0x1c7/0x1e0
[  449.537381]  kmem_cache_alloc_node+0xe3/0x730
[  449.541899]  ? lockdep_hardirqs_on+0x296/0x5b0
[  449.546476]  __alloc_skb+0x119/0x770
[  449.550187]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  449.555566]  ? netdev_alloc_frag+0x1f0/0x1f0
[  449.559968]  ? vprintk_default+0x28/0x30
[  449.564032]  ? vprintk_func+0x85/0x181
[  449.567910]  ? printk+0xa7/0xcf
[  449.571197]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  449.575961]  ? do_raw_spin_trylock+0x270/0x270
[  449.580545]  new_skb+0x26/0x1c0
[  449.583860]  aoecmd_cfg+0x279/0x7f0
[  449.587512]  ? find_held_lock+0x36/0x1c0
[  449.591583]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  449.595924]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.601473]  ? __lock_is_held+0xb5/0x140
[  449.605534]  discover_timer+0x50/0x60
[  449.609330]  call_timer_fn+0x272/0x920
[  449.613209]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  449.618058]  ? process_timeout+0x40/0x40
[  449.622126]  ? __run_timers+0x7da/0xc70
[  449.626088]  ? _raw_spin_unlock_irq+0x27/0x80
[  449.630570]  ? _raw_spin_unlock_irq+0x27/0x80
[  449.635085]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  449.639933]  ? lockdep_hardirqs_on+0x296/0x5b0
[  449.644505]  ? trace_hardirqs_on+0xbd/0x310
[  449.648820]  ? kasan_check_read+0x11/0x20
[  449.652970]  ? __run_timers+0x7da/0xc70
[  449.656932]  ? trace_hardirqs_off_caller+0x310/0x310
[  449.662036]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  449.666880]  __run_timers+0x7e5/0xc70
[  449.670680]  ? timer_fixup_init+0x70/0x70
[  449.674833]  ? _raw_spin_unlock_irq+0x27/0x80
[  449.679319]  ? _raw_spin_unlock_irq+0x27/0x80
[  449.683811]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  449.688406]  ? trace_hardirqs_on+0xbd/0x310
[  449.692722]  ? kasan_check_read+0x11/0x20
[  449.696858]  ? finish_task_switch+0x1f4/0x910
[  449.701341]  ? trace_hardirqs_off_caller+0x310/0x310
[  449.706447]  ? compat_start_thread+0x80/0x80
[  449.710878]  ? pvclock_read_flags+0x160/0x160
[  449.715360]  ? __switch_to_asm+0x34/0x70
[  449.719412]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.724937]  ? check_preemption_disabled+0x48/0x280
[  449.729995]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  449.735526]  ? rcu_pm_notify+0xc0/0xc0
[  449.739409]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.744966]  ? check_preemption_disabled+0x48/0x280
[  449.749987]  run_timer_softirq+0x52/0xb0
[  449.754056]  ? rcu_read_lock_sched_held+0x14f/0x180
[  449.759068]  __do_softirq+0x308/0xb7e
[  449.762901]  ? trace_hardirqs_on_caller+0xc0/0x310
[  449.767844]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  449.772940]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  449.778390]  ? schedule+0x108/0x460
[  449.782037]  ? trace_hardirqs_off+0xb8/0x310
[  449.786436]  ? smpboot_thread_fn+0x68b/0xa00
[  449.790834]  ? trace_hardirqs_on+0x310/0x310
[  449.795231]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  449.800766]  ? check_preemption_disabled+0x48/0x280
[  449.805848]  ? takeover_tasklets+0xa90/0xa90
[  449.810249]  run_ksoftirqd+0x5e/0x100
[  449.814041]  smpboot_thread_fn+0x68b/0xa00
[  449.818270]  ? sort_range+0x30/0x30
[  449.821892]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  449.827019]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  449.832606]  ? __kthread_parkme+0xfb/0x1a0
[  449.836859]  ? sort_range+0x30/0x30
[  449.840494]  kthread+0x35a/0x440
[  449.843885]  ? kthread_stop+0x900/0x900
[  449.847852]  ret_from_fork+0x3a/0x50
[  449.851593] CPU: 1 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  449.851612] warn_alloc_show_mem: 1 callbacks suppressed
[  449.851619] Mem-Info:
[  449.858557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  449.863922] active_anon:44321 inactive_anon:2061 isolated_anon:0
[  449.863922]  active_file:14 inactive_file:14 isolated_file:0
[  449.863922]  unevictable:0 dirty:0 writeback:0 unstable:0
[  449.863922]  slab_reclaimable:9437 slab_unreclaimable:1460937
[  449.863922]  mapped:49154 shmem:2105 pagetables:642 bounce:0
[  449.863922]  free:13638 free_pcp:328 free_cma:0
[  449.866292] Call Trace:
[  449.875668] Node 0 active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8420kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  449.908682]  <IRQ>
[  449.911244] 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
[  449.938836]  dump_stack+0x244/0x39d
[  449.940957] lowmem_reserve[]: 0 2818 6321 6321
[  449.967094]  ? dump_stack_print_info.cold.1+0x20/0x20
[  449.970707] Node 0 DMA32 free:24708kB 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
[  449.975295]  warn_alloc.cold.116+0xb7/0x1bd
[  449.980450] lowmem_reserve[]: 0 0 3503 3503
[  450.007953]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  450.012264] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2568kB bounce:0kB free_pcp:1064kB local_pcp:692kB free_cma:0kB
[  450.016576]  ? lock_downgrade+0x900/0x900
[  450.021390] lowmem_reserve[]: 0 0 0 0
[  450.050452]  ? trace_hardirqs_off+0xb8/0x310
[  450.054587] 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
[  450.058390]  ? trace_hardirqs_off+0xb8/0x310
[  450.062769] Node 0 DMA32: 5*4kB (UM) 2*8kB (MH) 2*16kB (MH) 4*32kB (MH) 3*64kB (M) 2*128kB (M) 4*256kB (UMH) 3*512kB (UM) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24708kB
[  450.076294]  __alloc_pages_slowpath+0x26e8/0x2e10
[  450.080667] Node 0 Normal: 930*4kB (MEH) 535*8kB (UMEH) 215*16kB (UME) 80*32kB (UMH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  450.096189]  ? warn_alloc+0x120/0x120
[  450.100996] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  450.114781]  ? print_usage_bug+0xc0/0xc0
[  450.118562] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  450.127375]  ? warn_alloc+0x120/0x120
[  450.131408] 2133 total pagecache pages
[  450.139967]  ? warn_alloc+0x120/0x120
[  450.143742] 0 pages in swap cache
[  450.147630]  ? print_usage_bug+0xc0/0xc0
[  450.151406] Swap cache stats: add 0, delete 0, find 0/0
[  450.154842]  ? kvm_clock_read+0x18/0x30
[  450.158871] Free swap  = 0kB
[  450.164238]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  450.168197] Total swap = 0kB
[  450.171210]  ? print_usage_bug+0xc0/0xc0
[  450.176219] 1965979 pages RAM
[  450.179223]  ? __lock_acquire+0x62f/0x4c20
[  450.183303] 0 pages HighMem/MovableOnly
[  450.183328] 342853 pages reserved
[  450.186439]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  450.190645] 0 pages cma reserved
[  450.194606]  ? should_fail+0x22d/0xd01
[  450.198146] aoe: skb alloc failure
[  450.203569]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  450.203584]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  450.203598]  ? __lock_acquire+0x62f/0x4c20
[  450.207008] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  450.210857]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  450.214367] ksoftirqd/0 cpuset=/ mems_allowed=0
[  450.219628]  ? __lock_acquire+0x62f/0x4c20
[  450.253298]  ? should_fail+0x22d/0xd01
[  450.257179]  ? rcu_irq_exit+0x1a2/0x390
[  450.261175]  ? mark_held_locks+0x130/0x130
[  450.265425]  ? mark_held_locks+0x130/0x130
[  450.269664]  ? mark_held_locks+0xc7/0x130
[  450.273808]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  450.278820]  ? zap_class+0x640/0x640
[  450.282576]  ? print_usage_bug+0xc0/0xc0
[  450.286663]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  450.292195]  ? check_preemption_disabled+0x48/0x280
[  450.297216]  ? __lock_is_held+0xb5/0x140
[  450.301337]  __alloc_pages_nodemask+0xa80/0xde0
[  450.306013]  ? zap_class+0x640/0x640
[  450.309724]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  450.314753]  ? find_held_lock+0x36/0x1c0
[  450.318850]  ? ____cache_alloc_node+0x1c7/0x1e0
[  450.323532]  ? lock_downgrade+0x900/0x900
[  450.327692]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  450.333260]  cache_grow_begin+0xa5/0x8c0
[  450.337335]  ? do_raw_spin_unlock+0xa7/0x330
[  450.341747]  fallback_alloc+0x204/0x2e0
[  450.345722]  ____cache_alloc_node+0x1c7/0x1e0
[  450.350233]  kmem_cache_alloc_node+0xe3/0x730
[  450.354728]  ? ipv6_get_ifaddr+0x42e/0x620
[  450.358977]  __alloc_skb+0x119/0x770
[  450.362680]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  450.367954]  ? netdev_alloc_frag+0x1f0/0x1f0
[  450.372384]  ? lock_downgrade+0x900/0x900
[  450.376529]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  450.382065]  ? refcount_sub_and_test_checked+0x203/0x310
[  450.387528]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  450.393004]  ? addrconf_rs_timer+0x690/0x690
[  450.397424]  ndisc_alloc_skb+0x144/0x340
[  450.401503]  ndisc_send_rs+0x331/0x6e0
[  450.405384]  addrconf_rs_timer+0x314/0x690
[  450.409612]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  450.413865]  call_timer_fn+0x272/0x920
[  450.417757]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  450.421994]  ? process_timeout+0x40/0x40
[  450.426053]  ? mark_held_locks+0xc7/0x130
[  450.430208]  ? _raw_spin_unlock_irq+0x27/0x80
[  450.434693]  ? _raw_spin_unlock_irq+0x27/0x80
[  450.439193]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  450.443434]  ? lockdep_hardirqs_on+0x296/0x5b0
[  450.448036]  ? trace_hardirqs_on+0xbd/0x310
[  450.452348]  ? kasan_check_read+0x11/0x20
[  450.456486]  ? __run_timers+0x7da/0xc70
[  450.460470]  ? trace_hardirqs_off_caller+0x310/0x310
[  450.465571]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  450.469825]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  450.474059]  __run_timers+0x7e5/0xc70
[  450.477859]  ? timer_fixup_init+0x70/0x70
[  450.482000]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  450.487008]  ? zap_class+0x640/0x640
[  450.490722]  ? print_usage_bug+0xc0/0xc0
[  450.494800]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  450.499994]  ? find_held_lock+0x36/0x1c0
[  450.504062]  ? zap_class+0x640/0x640
[  450.507799]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  450.513346]  ? check_preemption_disabled+0x48/0x280
[  450.518375]  ? __lock_is_held+0xb5/0x140
[  450.522440]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  450.527978]  ? check_preemption_disabled+0x48/0x280
[  450.533011]  run_timer_softirq+0x52/0xb0
[  450.537087]  ? rcu_read_lock_sched_held+0x14f/0x180
[  450.542119]  __do_softirq+0x308/0xb7e
[  450.545949]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  450.550475]  ? lock_downgrade+0x900/0x900
[  450.554632]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  450.559742]  ? pvclock_read_flags+0x160/0x160
[  450.564240]  ? lapic_next_event+0x5a/0x90
[  450.568386]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  450.573946]  ? kvm_clock_read+0x18/0x30
[  450.577925]  ? kvm_sched_clock_read+0x9/0x20
[  450.582335]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  450.587871]  ? check_preemption_disabled+0x48/0x280
[  450.592894]  irq_exit+0x17f/0x1c0
[  450.596371]  smp_apic_timer_interrupt+0x1cb/0x760
[  450.601222]  ? smp_reschedule_interrupt+0x109/0x650
[  450.606273]  ? smp_call_function_single_interrupt+0x650/0x650
[  450.612191]  ? interrupt_entry+0xb5/0xc0
[  450.616270]  ? trace_hardirqs_off_caller+0xbb/0x310
[  450.621286]  ? trace_hardirqs_off_caller+0xbb/0x310
[  450.626306]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  450.631158]  ? trace_hardirqs_on_caller+0x310/0x310
[  450.636185]  ? trace_hardirqs_on_caller+0x310/0x310
[  450.641226]  ? task_prio+0x50/0x50
[  450.644762]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  450.650318]  ? check_preemption_disabled+0x48/0x280
[  450.655339]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  450.660182]  apic_timer_interrupt+0xf/0x20
[  450.664405]  </IRQ>
[  450.666643] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  450.671920] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec
[  450.690812] RSP: 0018:ffff8801c2d36100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  450.698527] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100385b2de6
[  450.705789] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c2d96ebc
[  450.713062] RBP: ffff8801c2d36128 R08: ffff8801c2d96f30 R09: 0000000000000006
[  450.720320] R10: 0000000000000000 R11: ffff8801c2d96640 R12: dffffc0000000000
[  450.727593] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  450.734937]  retint_kernel+0x1b/0x2d
[  450.738643] RIP: 0010:dump_stack+0x358/0x39d
[  450.743072] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  450.762467] RSP: 0018:ffff8801c2d361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  450.770210] RAX: ffff8801c2d96640 RBX: 1ffffffff12a3f76 RCX: 1ffff100385b2de6
[  450.777472] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  450.784730] RBP: ffff8801c2d36290 R08: ffff8801c2d96f30 R09: 0000000000000006
[  450.791990] R10: 0000000000000000 R11: ffff8801c2d96640 R12: 1ffff100385a6c45
[  450.799264] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  450.806574]  ? dump_stack+0x34f/0x39d
[  450.810399]  ? dump_stack_print_info.cold.1+0x20/0x20
[  450.815582]  ? mark_held_locks+0x130/0x130
[  450.819809]  ? mark_held_locks+0x130/0x130
[  450.824041]  dump_header+0x27b/0xf72
[  450.827758]  ? pagefault_out_of_memory+0x197/0x197
[  450.832700]  ? __lock_acquire+0x62f/0x4c20
[  450.836960]  ? percpu_ref_get_many+0x240/0x240
[  450.841549]  ? print_usage_bug+0xc0/0xc0
[  450.845617]  ? zap_class+0x640/0x640
[  450.849333]  ? print_usage_bug+0xc0/0xc0
[  450.853427]  ? print_usage_bug+0xc0/0xc0
[  450.857510]  ? zap_class+0x640/0x640
[  450.861242]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  450.866777]  ? find_held_lock+0x36/0x1c0
[  450.870843]  ? mark_held_locks+0xc7/0x130
[  450.874986]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  450.880095]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  450.885227]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  450.889810]  ? trace_hardirqs_on+0xbd/0x310
[  450.894143]  ? kasan_check_read+0x11/0x20
[  450.898284]  ? ___ratelimit+0x3b4/0x672
[  450.902263]  ? trace_hardirqs_off_caller+0x310/0x310
[  450.907361]  ? trace_hardirqs_on+0x310/0x310
[  450.911764]  ? lock_downgrade+0x900/0x900
[  450.915928]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  450.921041]  ? ___ratelimit+0x3b9/0x672
[  450.925028]  ? idr_get_free+0xf70/0xf70
[  450.928999]  ? find_held_lock+0x36/0x1c0
[  450.933108]  oom_kill_process.cold.27+0x10/0x903
[  450.937915]  ? zap_class+0x640/0x640
[  450.941637]  ? check_preemption_disabled+0x48/0x280
[  450.946650]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  450.951575]  ? kasan_check_read+0x11/0x20
[  450.955714]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  450.960987]  ? oom_evaluate_task+0x540/0x540
[  450.965437]  ? find_held_lock+0x36/0x1c0
[  450.969533]  ? out_of_memory+0x974/0x1430
[  450.973716]  ? lock_downgrade+0x900/0x900
[  450.977889]  ? check_preemption_disabled+0x48/0x280
[  450.982927]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  450.987854]  ? kasan_check_read+0x11/0x20
[  450.992032]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  450.997313]  ? rcu_softirq_qs+0x20/0x20
[  451.001304]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  451.006841]  ? oom_evaluate_task+0x302/0x540
[  451.011256]  out_of_memory+0xa84/0x1430
[  451.015241]  ? oom_killer_disable+0x3a0/0x3a0
[  451.019740]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  451.024672]  ? __ww_mutex_check_waiters+0x160/0x160
[  451.029700]  __alloc_pages_slowpath+0x2354/0x2e10
[  451.034575]  ? warn_alloc+0x120/0x120
[  451.038381]  ? mark_held_locks+0x130/0x130
[  451.042619]  ? find_get_entry+0xaae/0x1120
[  451.046954]  ? filemap_map_pages+0x1a20/0x1a20
[  451.051608]  ? zap_class+0x640/0x640
[  451.055358]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.060899]  ? check_preemption_disabled+0x48/0x280
[  451.065916]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  451.071454]  ? should_fail+0x22d/0xd01
[  451.075355]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  451.080468]  ? zap_class+0x640/0x640
[  451.084208]  ? __lock_is_held+0xb5/0x140
[  451.088280]  ? mark_held_locks+0x130/0x130
[  451.092522]  ? lock_release+0xa00/0xa00
[  451.096523]  ? perf_trace_sched_process_exec+0x860/0x860
[  451.101982]  ? xa_load+0x2ba/0x460
[  451.105549]  ? lock_downgrade+0x900/0x900
[  451.109703]  ? __might_sleep+0x95/0x190
[  451.113696]  __alloc_pages_nodemask+0xa80/0xde0
[  451.118387]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  451.123403]  ? __page_cache_alloc+0x191/0x5c0
[  451.127894]  ? xa_load+0x2e1/0x460
[  451.131449]  ? xa_clear_mark+0x40/0x40
[  451.135341]  ? zap_class+0x640/0x640
[  451.139067]  ? zap_class+0x640/0x640
[  451.142781]  ? zap_class+0x640/0x640
[  451.146497]  ? __do_page_cache_readahead+0x663/0x810
[  451.151609]  ? find_held_lock+0x36/0x1c0
[  451.155679]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  451.161260]  alloc_pages_current+0x173/0x350
[  451.165701]  __page_cache_alloc+0x38c/0x5c0
[  451.170020]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  451.174950]  ? kasan_check_read+0x11/0x20
[  451.179111]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  451.184388]  ? generic_perform_write+0x6a0/0x6a0
[  451.189158]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  451.194730]  ? check_preemption_disabled+0x48/0x280
[  451.199757]  filemap_fault+0x1595/0x25f0
[  451.203849]  ? __lock_page_or_retry+0xa00/0xa00
[  451.208553]  ? mark_held_locks+0x130/0x130
[  451.212801]  ? filemap_map_pages+0xd6b/0x1a20
[  451.217319]  ? lock_downgrade+0x900/0x900
[  451.221467]  ? check_preemption_disabled+0x48/0x280
[  451.226499]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  451.231422]  ? kasan_check_read+0x11/0x20
[  451.235568]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  451.240854]  ? rcu_softirq_qs+0x20/0x20
[  451.244852]  ? filemap_map_pages+0xd92/0x1a20
[  451.249354]  ? find_get_entries_tag+0x1400/0x1400
[  451.254209]  ? find_held_lock+0x36/0x1c0
[  451.258355]  ? lock_acquire+0x1ed/0x520
[  451.262328]  ? ext4_filemap_fault+0x7a/0xad
[  451.266654]  ? lock_release+0xa00/0xa00
[  451.270627]  ? perf_trace_sched_process_exec+0x860/0x860
[  451.276090]  ? print_usage_bug+0xc0/0xc0
[  451.280174]  ? down_read+0x8d/0x120
[  451.283793]  ? ext4_filemap_fault+0x7a/0xad
[  451.288154]  ? __down_interruptible+0x700/0x700
[  451.292824]  ? find_held_lock+0x36/0x1c0
[  451.296916]  ext4_filemap_fault+0x82/0xad
[  451.301058]  __do_fault+0x100/0x6b0
[  451.304682]  ? lock_downgrade+0x900/0x900
[  451.308852]  ? pmd_devmap_trans_unstable+0x220/0x220
[  451.313966]  ? kasan_check_read+0x11/0x20
[  451.318119]  ? do_raw_spin_unlock+0xa7/0x330
[  451.322536]  ? do_raw_spin_trylock+0x270/0x270
[  451.327161]  __handle_mm_fault+0x3ea0/0x5be0
[  451.331571]  ? perf_trace_lock+0x7a0/0x7a0
[  451.335805]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  451.340657]  ? zap_class+0x640/0x640
[  451.344361]  ? zap_class+0x640/0x640
[  451.348070]  ? __x64_sys_futex+0x53e/0x6a0
[  451.352308]  ? find_held_lock+0x36/0x1c0
[  451.356366]  ? handle_mm_fault+0x42a/0xc70
[  451.360632]  ? lock_downgrade+0x900/0x900
[  451.364775]  ? check_preemption_disabled+0x48/0x280
[  451.369799]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  451.374718]  ? kasan_check_read+0x11/0x20
[  451.378878]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  451.384164]  ? rcu_softirq_qs+0x20/0x20
[  451.388162]  ? trace_hardirqs_off_caller+0x310/0x310
[  451.393256]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  451.398803]  ? check_preemption_disabled+0x48/0x280
[  451.403870]  handle_mm_fault+0x54f/0xc70
[  451.407945]  ? __handle_mm_fault+0x5be0/0x5be0
[  451.412524]  ? find_vma+0x34/0x190
[  451.416089]  __do_page_fault+0x5e8/0xe60
[  451.420158]  ? trace_hardirqs_off+0xb8/0x310
[  451.424562]  ? kernel_write+0x120/0x120
[  451.428536]  do_page_fault+0xf2/0x7e0
[  451.432348]  ? vmalloc_sync_all+0x30/0x30
[  451.436483]  ? error_entry+0x70/0xd0
[  451.440186]  ? trace_hardirqs_off_caller+0xbb/0x310
[  451.445189]  ? trace_hardirqs_on_caller+0xc0/0x310
[  451.450110]  ? syscall_return_slowpath+0x5e0/0x5e0
[  451.455028]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  451.459863]  ? trace_hardirqs_on_caller+0x310/0x310
[  451.464868]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  451.470316]  ? prepare_exit_to_usermode+0x291/0x3b0
[  451.475336]  ? page_fault+0x8/0x30
[  451.478902]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  451.483763]  ? page_fault+0x8/0x30
[  451.487316]  page_fault+0x1e/0x30
[  451.490759] RIP: 0033:0x404068
[  451.493968] Code: Bad RIP value.
[  451.497324] RSP: 002b:000000c420024e48 EFLAGS: 00010206
[  451.502673] RAX: 000000c422dd4cc0 RBX: 000000c42875f801 RCX: 000000c424d31838
[  451.509929] RDX: 000000c422dd4cc0 RSI: 0000000000000001 RDI: 0000000000000001
[  451.517188] RBP: 000000c420024ed8 R08: 00007ffd3a9b40b0 R09: 00007ffd3a9b4080
[  451.524443] R10: 000000000000eacc R11: 0000000000000165 R12: 0000000000000001
[  451.531717] R13: 000000c4271c3620 R14: 0000000000000001 R15: 0000000000000000
[  451.538997] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #83
[  451.539057] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  451.545750] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  451.545755] Call Trace:
[  451.545770]  dump_stack+0x244/0x39d
[  451.545791]  ? dump_stack_print_info.cold.1+0x20/0x20
[  451.552330] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  451.561628]  warn_alloc.cold.116+0xb7/0x1bd
[  451.564198] syz-fuzzer cpuset=/ mems_allowed=0
[  451.567828]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  451.596928]  ? lock_downgrade+0x900/0x900
[  451.601083]  ? trace_hardirqs_off+0xb8/0x310
[  451.605499]  ? trace_hardirqs_off+0xb8/0x310
[  451.609917]  __alloc_pages_slowpath+0x26e8/0x2e10
[  451.614790]  ? warn_alloc+0x120/0x120
[  451.618635]  ? warn_alloc+0x120/0x120
[  451.622442]  ? warn_alloc+0x120/0x120
[  451.626245]  ? print_usage_bug+0xc0/0xc0
[  451.630339]  ? print_usage_bug+0xc0/0xc0
[  451.634420]  ? mark_held_locks+0x130/0x130
[  451.638660]  ? mark_held_locks+0x130/0x130
[  451.642899]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  451.648441]  ? should_fail+0x22d/0xd01
[  451.652342]  ? zap_class+0x640/0x640
[  451.656058]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  451.661162]  ? __lock_acquire+0x62f/0x4c20
[  451.665407]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  451.670519]  ? __lock_acquire+0x62f/0x4c20
[  451.674758]  ? should_fail+0x22d/0xd01
[  451.678657]  ? mark_held_locks+0x130/0x130
[  451.682928]  ? mark_held_locks+0x130/0x130
[  451.687195]  ? lock_downgrade+0x900/0x900
[  451.691352]  ? zap_class+0x640/0x640
[  451.695072]  ? zap_class+0x640/0x640
[  451.698812]  ? zap_class+0x640/0x640
[  451.702524]  ? do_raw_spin_unlock+0xa7/0x330
[  451.706940]  ? trace_hardirqs_on+0x310/0x310
[  451.711346]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.716887]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.722452]  ? check_preemption_disabled+0x48/0x280
[  451.727521]  ? __lock_is_held+0xb5/0x140
[  451.731602]  __alloc_pages_nodemask+0xa80/0xde0
[  451.736271]  ? zap_class+0x640/0x640
[  451.740001]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  451.745030]  ? find_held_lock+0x36/0x1c0
[  451.749115]  ? ____cache_alloc_node+0x1c7/0x1e0
[  451.753788]  ? lock_downgrade+0x900/0x900
[  451.757953]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.763494]  cache_grow_begin+0xa5/0x8c0
[  451.767561]  ? do_raw_spin_unlock+0xa7/0x330
[  451.771980]  fallback_alloc+0x204/0x2e0
[  451.775977]  ____cache_alloc_node+0x1c7/0x1e0
[  451.780476]  kmem_cache_alloc_node+0xe3/0x730
[  451.784969]  ? lockdep_hardirqs_on+0x296/0x5b0
[  451.789561]  __alloc_skb+0x119/0x770
[  451.793283]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  451.798658]  ? netdev_alloc_frag+0x1f0/0x1f0
[  451.803065]  ? vprintk_default+0x28/0x30
[  451.807122]  ? vprintk_func+0x85/0x181
[  451.811013]  ? printk+0xa7/0xcf
[  451.814384]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  451.819135]  ? do_raw_spin_trylock+0x270/0x270
[  451.823758]  new_skb+0x26/0x1c0
[  451.827045]  aoecmd_cfg+0x279/0x7f0
[  451.830663]  ? find_held_lock+0x36/0x1c0
[  451.834732]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  451.839062]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.844632]  ? __lock_is_held+0xb5/0x140
[  451.848709]  discover_timer+0x50/0x60
[  451.852500]  call_timer_fn+0x272/0x920
[  451.856394]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  451.861232]  ? process_timeout+0x40/0x40
[  451.865308]  ? __run_timers+0x7da/0xc70
[  451.869281]  ? _raw_spin_unlock_irq+0x27/0x80
[  451.873772]  ? _raw_spin_unlock_irq+0x27/0x80
[  451.878273]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  451.883113]  ? lockdep_hardirqs_on+0x296/0x5b0
[  451.887695]  ? trace_hardirqs_on+0xbd/0x310
[  451.892012]  ? kasan_check_read+0x11/0x20
[  451.896154]  ? __run_timers+0x7da/0xc70
[  451.900156]  ? trace_hardirqs_off_caller+0x310/0x310
[  451.905267]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  451.910137]  __run_timers+0x7e5/0xc70
[  451.913942]  ? timer_fixup_init+0x70/0x70
[  451.918116]  ? _raw_spin_unlock_irq+0x27/0x80
[  451.922624]  ? _raw_spin_unlock_irq+0x27/0x80
[  451.927126]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  451.931704]  ? trace_hardirqs_on+0xbd/0x310
[  451.936019]  ? kasan_check_read+0x11/0x20
[  451.940171]  ? finish_task_switch+0x1f4/0x910
[  451.944696]  ? trace_hardirqs_off_caller+0x310/0x310
[  451.949793]  ? compat_start_thread+0x80/0x80
[  451.954238]  ? pvclock_read_flags+0x160/0x160
[  451.958739]  ? __switch_to_asm+0x34/0x70
[  451.962792]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.968327]  ? check_preemption_disabled+0x48/0x280
[  451.973349]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  451.978883]  ? rcu_pm_notify+0xc0/0xc0
[  451.982766]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.988306]  ? check_preemption_disabled+0x48/0x280
[  451.993318]  run_timer_softirq+0x52/0xb0
[  451.997391]  ? rcu_read_lock_sched_held+0x14f/0x180
[  452.002401]  __do_softirq+0x308/0xb7e
[  452.006200]  ? trace_hardirqs_on_caller+0xc0/0x310
[  452.011126]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  452.016236]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  452.021719]  ? schedule+0x108/0x460
[  452.025361]  ? trace_hardirqs_off+0xb8/0x310
[  452.029782]  ? smpboot_thread_fn+0x68b/0xa00
[  452.034188]  ? trace_hardirqs_on+0x310/0x310
[  452.038626]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  452.044183]  ? check_preemption_disabled+0x48/0x280
[  452.049248]  ? takeover_tasklets+0xa90/0xa90
[  452.053665]  run_ksoftirqd+0x5e/0x100
[  452.057488]  smpboot_thread_fn+0x68b/0xa00
[  452.061718]  ? sort_range+0x30/0x30
[  452.065347]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  452.070440]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  452.075970]  ? __kthread_parkme+0xfb/0x1a0
[  452.080206]  ? sort_range+0x30/0x30
[  452.083857]  kthread+0x35a/0x440
[  452.087244]  ? kthread_stop+0x900/0x900
[  452.091214]  ret_from_fork+0x3a/0x50
[  452.094932] CPU: 1 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  452.094937] warn_alloc_show_mem: 1 callbacks suppressed
[  452.094942] Mem-Info:
[  452.101860] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  452.107235] active_anon:44321 inactive_anon:2061 isolated_anon:0
[  452.107235]  active_file:14 inactive_file:14 isolated_file:0
[  452.107235]  unevictable:0 dirty:0 writeback:0 unstable:0
[  452.107235]  slab_reclaimable:9437 slab_unreclaimable:1460937
[  452.107235]  mapped:49154 shmem:2105 pagetables:642 bounce:0
[  452.107235]  free:13638 free_pcp:328 free_cma:0
[  452.109636] Call Trace:
[  452.119084] Node 0 active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8420kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  452.152095]  <IRQ>
[  452.154677] 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
[  452.182253]  dump_stack+0x244/0x39d
[  452.184375] lowmem_reserve[]: 0 2818 6321 6321
[  452.210486]  ? dump_stack_print_info.cold.1+0x20/0x20
[  452.214097] Node 0 DMA32 free:24708kB 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
[  452.218702]  warn_alloc.cold.116+0xb7/0x1bd
[  452.223867] lowmem_reserve[]: 0 0 3503 3503
[  452.251354]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  452.255663] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2568kB bounce:0kB free_pcp:1064kB local_pcp:692kB free_cma:0kB
[  452.260007]  ? lock_downgrade+0x900/0x900
[  452.264844] lowmem_reserve[]: 0 0 0 0
[  452.293900]  ? trace_hardirqs_off+0xb8/0x310
[  452.298031] 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
[  452.301825]  ? trace_hardirqs_off+0xb8/0x310
[  452.306240] Node 0 DMA32: 5*4kB (UM) 2*8kB (MH) 2*16kB (MH) 4*32kB (MH) 3*64kB (M) 2*128kB (M) 4*256kB (UMH) 3*512kB (UM) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24708kB
[  452.319758]  __alloc_pages_slowpath+0x26e8/0x2e10
[  452.324152] Node 0 Normal: 930*4kB (MEH) 535*8kB (UMEH) 215*16kB (UME) 80*32kB (UMH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  452.339681]  ? warn_alloc+0x120/0x120
[  452.344480] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  452.358248]  ? print_usage_bug+0xc0/0xc0
[  452.362053] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  452.370909]  ? warn_alloc+0x120/0x120
[  452.374944] 2133 total pagecache pages
[  452.383509]  ? warn_alloc+0x120/0x120
[  452.387283] 0 pages in swap cache
[  452.391172]  ? print_usage_bug+0xc0/0xc0
[  452.394949] Swap cache stats: add 0, delete 0, find 0/0
[  452.398388]  ? print_usage_bug+0xc0/0xc0
[  452.402419] Free swap  = 0kB
[  452.407766]  ? __lock_acquire+0x62f/0x4c20
[  452.411853] Total swap = 0kB
[  452.414894]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  452.419102] 1965979 pages RAM
[  452.422109]  ? should_fail+0x22d/0xd01
[  452.427648] 0 pages HighMem/MovableOnly
[  452.430741]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  452.434599] 342853 pages reserved
[  452.438565]  ? __lock_acquire+0x62f/0x4c20
[  452.443636] 0 pages cma reserved
[  452.447072]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  452.451371] aoe: skb alloc failure
[  452.454687]  ? __lock_acquire+0x62f/0x4c20
[  452.454712]  ? should_fail+0x22d/0xd01
[  452.454724]  ? find_held_lock+0x36/0x1c0
[  452.454741]  ? mark_held_locks+0x130/0x130
[  452.459860] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  452.463365]  ? mark_held_locks+0x130/0x130
[  452.467571] ksoftirqd/0 cpuset=/ mems_allowed=0
[  452.471452]  ? zap_class+0x640/0x640
[  452.502627]  ? zap_class+0x640/0x640
[  452.506357]  ? print_usage_bug+0xc0/0xc0
[  452.510417]  ? do_raw_spin_unlock+0xa7/0x330
[  452.514827]  ? zap_class+0x640/0x640
[  452.518551]  ? print_usage_bug+0xc0/0xc0
[  452.522614]  ? wq_watchdog_touch+0x9c/0xfe
[  452.526893]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  452.532435]  ? check_preemption_disabled+0x48/0x280
[  452.537461]  ? __lock_is_held+0xb5/0x140
[  452.541567]  __alloc_pages_nodemask+0xa80/0xde0
[  452.546236]  ? zap_class+0x640/0x640
[  452.549955]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  452.554988]  ? find_held_lock+0x36/0x1c0
[  452.559058]  ? ____cache_alloc_node+0x1c7/0x1e0
[  452.563731]  ? lock_downgrade+0x900/0x900
[  452.567887]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  452.573433]  cache_grow_begin+0xa5/0x8c0
[  452.577496]  ? do_raw_spin_unlock+0xa7/0x330
[  452.581925]  fallback_alloc+0x204/0x2e0
[  452.585910]  ____cache_alloc_node+0x1c7/0x1e0
[  452.590416]  kmem_cache_alloc_node+0xe3/0x730
[  452.594913]  ? ipv6_get_ifaddr+0x42e/0x620
[  452.599165]  __alloc_skb+0x119/0x770
[  452.602882]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  452.608167]  ? netdev_alloc_frag+0x1f0/0x1f0
[  452.612593]  ? lock_downgrade+0x900/0x900
[  452.616749]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  452.622431]  ? refcount_sub_and_test_checked+0x203/0x310
[  452.627904]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  452.633367]  ? addrconf_rs_timer+0x690/0x690
[  452.637786]  ndisc_alloc_skb+0x144/0x340
[  452.641849]  ndisc_send_rs+0x331/0x6e0
[  452.645758]  addrconf_rs_timer+0x314/0x690
[  452.650031]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  452.654279]  call_timer_fn+0x272/0x920
[  452.658174]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  452.662409]  ? process_timeout+0x40/0x40
[  452.666497]  ? mark_held_locks+0xc7/0x130
[  452.670646]  ? _raw_spin_unlock_irq+0x27/0x80
[  452.675140]  ? _raw_spin_unlock_irq+0x27/0x80
[  452.679632]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  452.683866]  ? lockdep_hardirqs_on+0x296/0x5b0
[  452.688457]  ? trace_hardirqs_on+0xbd/0x310
[  452.692781]  ? kasan_check_read+0x11/0x20
[  452.696942]  ? __run_timers+0x7da/0xc70
[  452.700935]  ? trace_hardirqs_off_caller+0x310/0x310
[  452.706043]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  452.710281]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  452.714534]  __run_timers+0x7e5/0xc70
[  452.718363]  ? timer_fixup_init+0x70/0x70
[  452.722511]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  452.727539]  ? zap_class+0x640/0x640
[  452.731270]  ? print_usage_bug+0xc0/0xc0
[  452.735361]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  452.740586]  ? find_held_lock+0x36/0x1c0
[  452.744655]  ? zap_class+0x640/0x640
[  452.748378]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  452.754411]  ? check_preemption_disabled+0x48/0x280
[  452.759452]  ? __lock_is_held+0xb5/0x140
[  452.763511]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  452.769065]  ? check_preemption_disabled+0x48/0x280
[  452.774077]  run_timer_softirq+0x52/0xb0
[  452.778129]  ? rcu_read_lock_sched_held+0x14f/0x180
[  452.783136]  __do_softirq+0x308/0xb7e
[  452.786970]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  452.791457]  ? lock_downgrade+0x900/0x900
[  452.795601]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  452.800701]  ? pvclock_read_flags+0x160/0x160
[  452.805233]  ? lapic_next_event+0x5a/0x90
[  452.809380]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  452.814930]  ? kvm_clock_read+0x18/0x30
[  452.818900]  ? kvm_sched_clock_read+0x9/0x20
[  452.823313]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  452.828847]  ? check_preemption_disabled+0x48/0x280
[  452.833885]  irq_exit+0x17f/0x1c0
[  452.837333]  smp_apic_timer_interrupt+0x1cb/0x760
[  452.842171]  ? smp_reschedule_interrupt+0x109/0x650
[  452.847182]  ? smp_call_function_single_interrupt+0x650/0x650
[  452.853064]  ? interrupt_entry+0xb5/0xc0
[  452.857137]  ? trace_hardirqs_off_caller+0xbb/0x310
[  452.862147]  ? trace_hardirqs_off_caller+0xbb/0x310
[  452.867160]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  452.872001]  ? trace_hardirqs_on_caller+0x310/0x310
[  452.877066]  ? trace_hardirqs_on_caller+0x310/0x310
[  452.882074]  ? task_prio+0x50/0x50
[  452.885612]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  452.891175]  ? check_preemption_disabled+0x48/0x280
[  452.896213]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  452.901068]  apic_timer_interrupt+0xf/0x20
[  452.905321]  </IRQ>
[  452.907562] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  452.912743] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec
[  452.931632] RSP: 0018:ffff8801c2d36100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  452.939331] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100385b2de6
[  452.946593] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c2d96ebc
[  452.953852] RBP: ffff8801c2d36128 R08: ffff8801c2d96f30 R09: 0000000000000006
[  452.961165] R10: 0000000000000000 R11: ffff8801c2d96640 R12: dffffc0000000000
[  452.968425] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  452.975709]  retint_kernel+0x1b/0x2d
[  452.979417] RIP: 0010:dump_stack+0x358/0x39d
[  452.983816] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  453.002706] RSP: 0018:ffff8801c2d361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  453.010419] RAX: ffff8801c2d96640 RBX: 1ffffffff12a3f76 RCX: 1ffff100385b2de6
[  453.017709] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  453.024969] RBP: ffff8801c2d36290 R08: ffff8801c2d96f30 R09: 0000000000000006
[  453.032223] R10: 0000000000000000 R11: ffff8801c2d96640 R12: 1ffff100385a6c45
[  453.039479] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  453.046763]  ? dump_stack+0x34f/0x39d
[  453.050569]  ? dump_stack_print_info.cold.1+0x20/0x20
[  453.055800]  ? mark_held_locks+0x130/0x130
[  453.060027]  ? mark_held_locks+0x130/0x130
[  453.064262]  dump_header+0x27b/0xf72
[  453.067979]  ? pagefault_out_of_memory+0x197/0x197
[  453.072936]  ? __lock_acquire+0x62f/0x4c20
[  453.077163]  ? percpu_ref_get_many+0x240/0x240
[  453.081738]  ? print_usage_bug+0xc0/0xc0
[  453.085810]  ? zap_class+0x640/0x640
[  453.089606]  ? print_usage_bug+0xc0/0xc0
[  453.093666]  ? print_usage_bug+0xc0/0xc0
[  453.097725]  ? zap_class+0x640/0x640
[  453.101430]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  453.106962]  ? find_held_lock+0x36/0x1c0
[  453.111023]  ? mark_held_locks+0xc7/0x130
[  453.115197]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  453.120312]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  453.125425]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  453.130019]  ? trace_hardirqs_on+0xbd/0x310
[  453.134374]  ? kasan_check_read+0x11/0x20
[  453.138511]  ? ___ratelimit+0x3b4/0x672
[  453.142477]  ? trace_hardirqs_off_caller+0x310/0x310
[  453.147573]  ? trace_hardirqs_on+0x310/0x310
[  453.151975]  ? lock_downgrade+0x900/0x900
[  453.156137]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  453.161232]  ? ___ratelimit+0x3b9/0x672
[  453.165198]  ? idr_get_free+0xf70/0xf70
[  453.169162]  ? find_held_lock+0x36/0x1c0
[  453.173227]  oom_kill_process.cold.27+0x10/0x903
[  453.177979]  ? zap_class+0x640/0x640
[  453.181687]  ? check_preemption_disabled+0x48/0x280
[  453.186713]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  453.191648]  ? kasan_check_read+0x11/0x20
[  453.195787]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  453.201055]  ? oom_evaluate_task+0x540/0x540
[  453.205462]  ? find_held_lock+0x36/0x1c0
[  453.209569]  ? out_of_memory+0x974/0x1430
[  453.213714]  ? lock_downgrade+0x900/0x900
[  453.217854]  ? check_preemption_disabled+0x48/0x280
[  453.222863]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  453.227797]  ? kasan_check_read+0x11/0x20
[  453.231977]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  453.237274]  ? rcu_softirq_qs+0x20/0x20
[  453.241251]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  453.246781]  ? oom_evaluate_task+0x302/0x540
[  453.251185]  out_of_memory+0xa84/0x1430
[  453.255157]  ? oom_killer_disable+0x3a0/0x3a0
[  453.259648]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  453.264589]  ? __ww_mutex_check_waiters+0x160/0x160
[  453.269631]  __alloc_pages_slowpath+0x2354/0x2e10
[  453.274492]  ? warn_alloc+0x120/0x120
[  453.278282]  ? mark_held_locks+0x130/0x130
[  453.282536]  ? find_get_entry+0xaae/0x1120
[  453.286819]  ? filemap_map_pages+0x1a20/0x1a20
[  453.291434]  ? zap_class+0x640/0x640
[  453.295149]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  453.300691]  ? check_preemption_disabled+0x48/0x280
[  453.305701]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  453.311231]  ? should_fail+0x22d/0xd01
[  453.315146]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  453.320241]  ? zap_class+0x640/0x640
[  453.324007]  ? __lock_is_held+0xb5/0x140
[  453.328102]  ? mark_held_locks+0x130/0x130
[  453.332334]  ? lock_release+0xa00/0xa00
[  453.336321]  ? perf_trace_sched_process_exec+0x860/0x860
[  453.341776]  ? xa_load+0x2ba/0x460
[  453.345317]  ? lock_downgrade+0x900/0x900
[  453.349479]  ? __might_sleep+0x95/0x190
[  453.353454]  __alloc_pages_nodemask+0xa80/0xde0
[  453.358128]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  453.363155]  ? __page_cache_alloc+0x191/0x5c0
[  453.367641]  ? xa_load+0x2e1/0x460
[  453.371185]  ? xa_clear_mark+0x40/0x40
[  453.375086]  ? zap_class+0x640/0x640
[  453.378855]  ? zap_class+0x640/0x640
[  453.382581]  ? zap_class+0x640/0x640
[  453.386323]  ? __do_page_cache_readahead+0x663/0x810
[  453.391423]  ? find_held_lock+0x36/0x1c0
[  453.395479]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  453.401032]  alloc_pages_current+0x173/0x350
[  453.405450]  __page_cache_alloc+0x38c/0x5c0
[  453.409758]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  453.414692]  ? kasan_check_read+0x11/0x20
[  453.418867]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  453.424157]  ? generic_perform_write+0x6a0/0x6a0
[  453.428931]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  453.434480]  ? check_preemption_disabled+0x48/0x280
[  453.439495]  filemap_fault+0x1595/0x25f0
[  453.443567]  ? __lock_page_or_retry+0xa00/0xa00
[  453.448234]  ? mark_held_locks+0x130/0x130
[  453.452495]  ? filemap_map_pages+0xd6b/0x1a20
[  453.456986]  ? lock_downgrade+0x900/0x900
[  453.461126]  ? check_preemption_disabled+0x48/0x280
[  453.466151]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  453.471084]  ? kasan_check_read+0x11/0x20
[  453.475235]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  453.480502]  ? rcu_softirq_qs+0x20/0x20
[  453.484500]  ? filemap_map_pages+0xd92/0x1a20
[  453.488994]  ? find_get_entries_tag+0x1400/0x1400
[  453.493822]  ? find_held_lock+0x36/0x1c0
[  453.497888]  ? lock_acquire+0x1ed/0x520
[  453.501877]  ? ext4_filemap_fault+0x7a/0xad
[  453.506213]  ? lock_release+0xa00/0xa00
[  453.510175]  ? perf_trace_sched_process_exec+0x860/0x860
[  453.515624]  ? print_usage_bug+0xc0/0xc0
[  453.519743]  ? down_read+0x8d/0x120
[  453.523375]  ? ext4_filemap_fault+0x7a/0xad
[  453.527688]  ? __down_interruptible+0x700/0x700
[  453.532348]  ? find_held_lock+0x36/0x1c0
[  453.536406]  ext4_filemap_fault+0x82/0xad
[  453.540557]  __do_fault+0x100/0x6b0
[  453.544181]  ? lock_downgrade+0x900/0x900
[  453.548336]  ? pmd_devmap_trans_unstable+0x220/0x220
[  453.553446]  ? kasan_check_read+0x11/0x20
[  453.557584]  ? do_raw_spin_unlock+0xa7/0x330
[  453.561981]  ? do_raw_spin_trylock+0x270/0x270
[  453.566588]  __handle_mm_fault+0x3ea0/0x5be0
[  453.570988]  ? perf_trace_lock+0x7a0/0x7a0
[  453.575235]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  453.580107]  ? zap_class+0x640/0x640
[  453.583815]  ? zap_class+0x640/0x640
[  453.587551]  ? __x64_sys_futex+0x53e/0x6a0
[  453.591815]  ? find_held_lock+0x36/0x1c0
[  453.595899]  ? handle_mm_fault+0x42a/0xc70
[  453.600146]  ? lock_downgrade+0x900/0x900
[  453.604305]  ? check_preemption_disabled+0x48/0x280
[  453.609324]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  453.614267]  ? kasan_check_read+0x11/0x20
[  453.618469]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  453.623751]  ? rcu_softirq_qs+0x20/0x20
[  453.627729]  ? trace_hardirqs_off_caller+0x310/0x310
[  453.632828]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  453.638386]  ? check_preemption_disabled+0x48/0x280
[  453.643405]  handle_mm_fault+0x54f/0xc70
[  453.647474]  ? __handle_mm_fault+0x5be0/0x5be0
[  453.652057]  ? find_vma+0x34/0x190
[  453.655594]  __do_page_fault+0x5e8/0xe60
[  453.659678]  ? trace_hardirqs_off+0xb8/0x310
[  453.664093]  ? kernel_write+0x120/0x120
[  453.668070]  do_page_fault+0xf2/0x7e0
[  453.671864]  ? vmalloc_sync_all+0x30/0x30
[  453.676051]  ? error_entry+0x70/0xd0
[  453.679758]  ? trace_hardirqs_off_caller+0xbb/0x310
[  453.684763]  ? trace_hardirqs_on_caller+0xc0/0x310
[  453.689698]  ? syscall_return_slowpath+0x5e0/0x5e0
[  453.694617]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  453.699478]  ? trace_hardirqs_on_caller+0x310/0x310
[  453.704493]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  453.709966]  ? prepare_exit_to_usermode+0x291/0x3b0
[  453.714979]  ? page_fault+0x8/0x30
[  453.718549]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  453.723452]  ? page_fault+0x8/0x30
[  453.726997]  page_fault+0x1e/0x30
[  453.730438] RIP: 0033:0x404068
[  453.733631] Code: Bad RIP value.
[  453.736983] RSP: 002b:000000c420024e48 EFLAGS: 00010206
[  453.742335] RAX: 000000c422dd4cc0 RBX: 000000c42875f801 RCX: 000000c424d31838
[  453.749597] RDX: 000000c422dd4cc0 RSI: 0000000000000001 RDI: 0000000000000001
[  453.756855] RBP: 000000c420024ed8 R08: 00007ffd3a9b40b0 R09: 00007ffd3a9b4080
[  453.764116] R10: 000000000000eacc R11: 0000000000000165 R12: 0000000000000001
[  453.771379] R13: 000000c4271c3620 R14: 0000000000000001 R15: 0000000000000000
[  453.778664] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #83
[  453.778741] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  453.785440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  453.785444] Call Trace:
[  453.785461]  dump_stack+0x244/0x39d
[  453.785481]  ? dump_stack_print_info.cold.1+0x20/0x20
[  453.792073] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  453.801338]  warn_alloc.cold.116+0xb7/0x1bd
[  453.803892] syz-fuzzer cpuset=/ mems_allowed=0
[  453.807505]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  453.836582]  ? lock_downgrade+0x900/0x900
[  453.840747]  ? trace_hardirqs_off+0xb8/0x310
[  453.845155]  ? trace_hardirqs_off+0xb8/0x310
[  453.849571]  __alloc_pages_slowpath+0x26e8/0x2e10
[  453.854447]  ? warn_alloc+0x120/0x120
[  453.858246]  ? warn_alloc+0x120/0x120
[  453.862044]  ? warn_alloc+0x120/0x120
[  453.865842]  ? print_usage_bug+0xc0/0xc0
[  453.869901]  ? print_usage_bug+0xc0/0xc0
[  453.873998]  ? mark_held_locks+0x130/0x130
[  453.878237]  ? mark_held_locks+0x130/0x130
[  453.882474]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  453.888006]  ? should_fail+0x22d/0xd01
[  453.891900]  ? zap_class+0x640/0x640
[  453.895614]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  453.900711]  ? __lock_acquire+0x62f/0x4c20
[  453.904980]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  453.910136]  ? __lock_acquire+0x62f/0x4c20
[  453.914381]  ? should_fail+0x22d/0xd01
[  453.918304]  ? mark_held_locks+0x130/0x130
[  453.922560]  ? mark_held_locks+0x130/0x130
[  453.926788]  ? lock_downgrade+0x900/0x900
[  453.930948]  ? zap_class+0x640/0x640
[  453.934653]  ? zap_class+0x640/0x640
[  453.938363]  ? zap_class+0x640/0x640
[  453.942066]  ? do_raw_spin_unlock+0xa7/0x330
[  453.946485]  ? trace_hardirqs_on+0x310/0x310
[  453.950900]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  453.956429]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  453.961965]  ? check_preemption_disabled+0x48/0x280
[  453.966983]  ? __lock_is_held+0xb5/0x140
[  453.971055]  __alloc_pages_nodemask+0xa80/0xde0
[  453.975717]  ? zap_class+0x640/0x640
[  453.979450]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  453.984485]  ? find_held_lock+0x36/0x1c0
[  453.988553]  ? ____cache_alloc_node+0x1c7/0x1e0
[  453.993279]  ? lock_downgrade+0x900/0x900
[  453.997470]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  454.003045]  cache_grow_begin+0xa5/0x8c0
[  454.007129]  ? do_raw_spin_unlock+0xa7/0x330
[  454.011537]  fallback_alloc+0x204/0x2e0
[  454.015517]  ____cache_alloc_node+0x1c7/0x1e0
[  454.020018]  kmem_cache_alloc_node+0xe3/0x730
[  454.024504]  ? lockdep_hardirqs_on+0x296/0x5b0
[  454.029084]  __alloc_skb+0x119/0x770
[  454.032789]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  454.038151]  ? netdev_alloc_frag+0x1f0/0x1f0
[  454.042561]  ? vprintk_default+0x28/0x30
[  454.046622]  ? vprintk_func+0x85/0x181
[  454.050497]  ? printk+0xa7/0xcf
[  454.053767]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  454.058513]  ? do_raw_spin_trylock+0x270/0x270
[  454.063124]  new_skb+0x26/0x1c0
[  454.066457]  aoecmd_cfg+0x279/0x7f0
[  454.070082]  ? find_held_lock+0x36/0x1c0
[  454.074133]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  454.078473]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  454.084007]  ? __lock_is_held+0xb5/0x140
[  454.088069]  discover_timer+0x50/0x60
[  454.091861]  call_timer_fn+0x272/0x920
[  454.095740]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  454.100575]  ? process_timeout+0x40/0x40
[  454.104633]  ? __run_timers+0x7da/0xc70
[  454.108595]  ? _raw_spin_unlock_irq+0x27/0x80
[  454.113076]  ? _raw_spin_unlock_irq+0x27/0x80
[  454.117584]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  454.122416]  ? lockdep_hardirqs_on+0x296/0x5b0
[  454.126988]  ? trace_hardirqs_on+0xbd/0x310
[  454.131310]  ? kasan_check_read+0x11/0x20
[  454.135464]  ? __run_timers+0x7da/0xc70
[  454.139464]  ? trace_hardirqs_off_caller+0x310/0x310
[  454.144586]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  454.149434]  __run_timers+0x7e5/0xc70
[  454.153251]  ? timer_fixup_init+0x70/0x70
[  454.157404]  ? _raw_spin_unlock_irq+0x27/0x80
[  454.161944]  ? _raw_spin_unlock_irq+0x27/0x80
[  454.166469]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  454.171044]  ? trace_hardirqs_on+0xbd/0x310
[  454.175359]  ? kasan_check_read+0x11/0x20
[  454.179502]  ? finish_task_switch+0x1f4/0x910
[  454.184025]  ? trace_hardirqs_off_caller+0x310/0x310
[  454.189150]  ? compat_start_thread+0x80/0x80
[  454.193574]  ? pvclock_read_flags+0x160/0x160
[  454.198063]  ? __switch_to_asm+0x34/0x70
[  454.202118]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  454.207685]  ? check_preemption_disabled+0x48/0x280
[  454.212726]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  454.218272]  ? rcu_pm_notify+0xc0/0xc0
[  454.222196]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  454.227743]  ? check_preemption_disabled+0x48/0x280
[  454.232812]  run_timer_softirq+0x52/0xb0
[  454.236866]  ? rcu_read_lock_sched_held+0x14f/0x180
[  454.241875]  __do_softirq+0x308/0xb7e
[  454.245691]  ? trace_hardirqs_on_caller+0xc0/0x310
[  454.250617]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  454.255721]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  454.261172]  ? schedule+0x108/0x460
[  454.264834]  ? trace_hardirqs_off+0xb8/0x310
[  454.269267]  ? smpboot_thread_fn+0x68b/0xa00
[  454.273739]  ? trace_hardirqs_on+0x310/0x310
[  454.278156]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  454.283700]  ? check_preemption_disabled+0x48/0x280
[  454.288705]  ? takeover_tasklets+0xa90/0xa90
[  454.293134]  run_ksoftirqd+0x5e/0x100
[  454.296942]  smpboot_thread_fn+0x68b/0xa00
[  454.301170]  ? sort_range+0x30/0x30
[  454.304811]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  454.309908]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  454.315441]  ? __kthread_parkme+0xfb/0x1a0
[  454.319669]  ? sort_range+0x30/0x30
[  454.323319]  kthread+0x35a/0x440
[  454.326705]  ? kthread_stop+0x900/0x900
[  454.330675]  ret_from_fork+0x3a/0x50
[  454.334445] CPU: 1 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  454.334449] warn_alloc_show_mem: 1 callbacks suppressed
[  454.334456] Mem-Info:
[  454.341367] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  454.346727] active_anon:44321 inactive_anon:2061 isolated_anon:0
[  454.346727]  active_file:14 inactive_file:14 isolated_file:0
[  454.346727]  unevictable:0 dirty:0 writeback:0 unstable:0
[  454.346727]  slab_reclaimable:9437 slab_unreclaimable:1460937
[  454.346727]  mapped:49154 shmem:2105 pagetables:642 bounce:0
[  454.346727]  free:13638 free_pcp:328 free_cma:0
[  454.349113] Call Trace:
[  454.358514] Node 0 active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8420kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  454.391525]  <IRQ>
[  454.394096] 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
[  454.421667]  dump_stack+0x244/0x39d
[  454.423786] lowmem_reserve[]: 0 2818 6321 6321
[  454.449914]  ? dump_stack_print_info.cold.1+0x20/0x20
[  454.453509] Node 0 DMA32 free:24708kB 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
[  454.458084]  warn_alloc.cold.116+0xb7/0x1bd
[  454.463249] lowmem_reserve[]: 0 0 3503 3503
[  454.490737]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  454.495030] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2568kB bounce:0kB free_pcp:1064kB local_pcp:692kB free_cma:0kB
[  454.499389]  ? lock_downgrade+0x900/0x900
[  454.504194] lowmem_reserve[]: 0 0 0 0
[  454.533249]  ? trace_hardirqs_off+0xb8/0x310
[  454.537367] 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
[  454.541160]  ? trace_hardirqs_off+0xb8/0x310
[  454.545580] Node 0 DMA32: 5*4kB (UM) 2*8kB (MH) 2*16kB (MH) 4*32kB (MH) 3*64kB (M) 2*128kB (M) 4*256kB (UMH) 3*512kB (UM) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24708kB
[  454.559105]  __alloc_pages_slowpath+0x26e8/0x2e10
[  454.563480] Node 0 Normal: 930*4kB (MEH) 535*8kB (UMEH) 215*16kB (UME) 80*32kB (UMH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  454.579008]  ? warn_alloc+0x120/0x120
[  454.583820] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  454.597573]  ? warn_alloc+0x120/0x120
[  454.601350] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  454.610178]  ? warn_alloc+0x120/0x120
[  454.613954] 2133 total pagecache pages
[  454.622571]  ? print_usage_bug+0xc0/0xc0
[  454.626350] 0 pages in swap cache
[  454.630252]  ? print_usage_bug+0xc0/0xc0
[  454.634330] Swap cache stats: add 0, delete 0, find 0/0
[  454.637799]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  454.641829] Free swap  = 0kB
[  454.647183]  ? should_fail+0x22d/0xd01
[  454.652708] Total swap = 0kB
[  454.655709]  ? mark_held_locks+0x130/0x130
[  454.659566] 1965979 pages RAM
[  454.662571]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  454.666774] 0 pages HighMem/MovableOnly
[  454.669903]  ? __lock_acquire+0x62f/0x4c20
[  454.674980] 342853 pages reserved
[  454.678943]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  454.683161] 0 pages cma reserved
[  454.686600]  ? should_fail+0x22d/0xd01
[  454.691724] aoe: skb alloc failure
[  454.695059]  ? mark_held_locks+0x130/0x130
[  454.695078]  ? mark_held_locks+0x130/0x130
[  454.698985] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  454.702523]  ? print_usage_bug+0xc0/0xc0
[  454.706746] ksoftirqd/0 cpuset=/ mems_allowed=0
[  454.710965]  ? find_held_lock+0x36/0x1c0
[  454.734018]  ? zap_class+0x640/0x640
[  454.737729]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  454.743259]  ? check_preemption_disabled+0x48/0x280
[  454.748299]  ? __lock_is_held+0xb5/0x140
[  454.752846]  __alloc_pages_nodemask+0xa80/0xde0
[  454.757524]  ? zap_class+0x640/0x640
[  454.761246]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  454.766262]  ? find_held_lock+0x36/0x1c0
[  454.770343]  ? ____cache_alloc_node+0x1c7/0x1e0
[  454.775004]  ? lock_downgrade+0x900/0x900
[  454.779151]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  454.784702]  cache_grow_begin+0xa5/0x8c0
[  454.788755]  ? do_raw_spin_unlock+0xa7/0x330
[  454.793162]  fallback_alloc+0x204/0x2e0
[  454.797147]  ____cache_alloc_node+0x1c7/0x1e0
[  454.801679]  kmem_cache_alloc_node+0xe3/0x730
[  454.806166]  ? mark_held_locks+0xc7/0x130
[  454.810346]  __alloc_skb+0x119/0x770
[  454.814054]  ? netdev_alloc_frag+0x1f0/0x1f0
[  454.818454]  ? do_raw_spin_trylock+0x270/0x270
[  454.823045]  ? kmem_cache_alloc_trace+0x353/0x750
[  454.827885]  ? queue_work_on+0x12c/0x1e0
[  454.831952]  ? switchdev_port_obj_del+0xdc/0x440
[  454.836717]  ? switchdev_trans_item_enqueue+0x260/0x260
[  454.842070]  ? mod_timer+0x631/0x1560
[  454.845863]  ? wake_up_klogd+0x180/0x180
[  454.849928]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  454.854970]  __br_mdb_notify+0x4ff/0x15d0
[  454.859117]  ? __br_mdb_add+0x7f0/0x7f0
[  454.863091]  ? zap_class+0x640/0x640
[  454.866805]  ? br_multicast_group_expired+0x96/0x610
[  454.871919]  br_mdb_notify+0x310/0x410
[  454.875799]  ? br_mdb_dump+0x27b0/0x27b0
[  454.879857]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  454.885390]  br_multicast_group_expired+0x1bc/0x610
[  454.890430]  ? br_mdb_free+0x80/0x80
[  454.894141]  call_timer_fn+0x272/0x920
[  454.898035]  ? br_mdb_free+0x80/0x80
[  454.901770]  ? process_timeout+0x40/0x40
[  454.905828]  ? mark_held_locks+0xc7/0x130
[  454.909967]  ? _raw_spin_unlock_irq+0x27/0x80
[  454.914476]  ? _raw_spin_unlock_irq+0x27/0x80
[  454.918962]  ? br_mdb_free+0x80/0x80
[  454.922682]  ? lockdep_hardirqs_on+0x296/0x5b0
[  454.927297]  ? trace_hardirqs_on+0xbd/0x310
[  454.931728]  ? kasan_check_read+0x11/0x20
[  454.935871]  ? __run_timers+0x7da/0xc70
[  454.939876]  ? trace_hardirqs_off_caller+0x310/0x310
[  454.945000]  ? br_mdb_free+0x80/0x80
[  454.948746]  __run_timers+0x7e5/0xc70
[  454.952554]  ? timer_fixup_init+0x70/0x70
[  454.956717]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  454.961726]  ? zap_class+0x640/0x640
[  454.965450]  ? print_usage_bug+0xc0/0xc0
[  454.969505]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  454.974696]  ? find_held_lock+0x36/0x1c0
[  454.978755]  ? zap_class+0x640/0x640
[  454.982465]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  454.987994]  ? check_preemption_disabled+0x48/0x280
[  454.993022]  ? __lock_is_held+0xb5/0x140
[  454.997104]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  455.002648]  ? check_preemption_disabled+0x48/0x280
[  455.007662]  run_timer_softirq+0x52/0xb0
[  455.011726]  ? rcu_read_lock_sched_held+0x14f/0x180
[  455.016744]  __do_softirq+0x308/0xb7e
[  455.020574]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  455.025093]  ? lock_downgrade+0x900/0x900
[  455.029265]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  455.034397]  ? pvclock_read_flags+0x160/0x160
[  455.038902]  ? lapic_next_event+0x5a/0x90
[  455.043041]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  455.048577]  ? kvm_clock_read+0x18/0x30
[  455.052553]  ? kvm_sched_clock_read+0x9/0x20
[  455.056952]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  455.062476]  ? check_preemption_disabled+0x48/0x280
[  455.067504]  irq_exit+0x17f/0x1c0
[  455.070970]  smp_apic_timer_interrupt+0x1cb/0x760
[  455.075800]  ? smp_reschedule_interrupt+0x109/0x650
[  455.080809]  ? smp_call_function_single_interrupt+0x650/0x650
[  455.086739]  ? interrupt_entry+0xb5/0xc0
[  455.090838]  ? trace_hardirqs_off_caller+0xbb/0x310
[  455.095862]  ? trace_hardirqs_off_caller+0xbb/0x310
[  455.100875]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  455.105766]  ? trace_hardirqs_on_caller+0x310/0x310
[  455.110775]  ? trace_hardirqs_on_caller+0x310/0x310
[  455.115803]  ? task_prio+0x50/0x50
[  455.119368]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  455.124896]  ? check_preemption_disabled+0x48/0x280
[  455.129907]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  455.134788]  apic_timer_interrupt+0xf/0x20
[  455.139076]  </IRQ>
[  455.141334] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  455.146513] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec
[  455.165405] RSP: 0018:ffff8801c2d36100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  455.173114] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100385b2de6
[  455.180391] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c2d96ebc
[  455.187649] RBP: ffff8801c2d36128 R08: ffff8801c2d96f30 R09: 0000000000000006
[  455.194919] R10: 0000000000000000 R11: ffff8801c2d96640 R12: dffffc0000000000
[  455.202178] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  455.209461]  retint_kernel+0x1b/0x2d
[  455.213170] RIP: 0010:dump_stack+0x358/0x39d
[  455.217573] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  455.236465] RSP: 0018:ffff8801c2d361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  455.244164] RAX: ffff8801c2d96640 RBX: 1ffffffff12a3f76 RCX: 1ffff100385b2de6
[  455.251450] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  455.258716] RBP: ffff8801c2d36290 R08: ffff8801c2d96f30 R09: 0000000000000006
[  455.265973] R10: 0000000000000000 R11: ffff8801c2d96640 R12: 1ffff100385a6c45
[  455.273247] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  455.280524]  ? dump_stack+0x34f/0x39d
[  455.284352]  ? dump_stack_print_info.cold.1+0x20/0x20
[  455.289537]  ? mark_held_locks+0x130/0x130
[  455.293792]  ? mark_held_locks+0x130/0x130
[  455.298024]  dump_header+0x27b/0xf72
[  455.301758]  ? pagefault_out_of_memory+0x197/0x197
[  455.306707]  ? __lock_acquire+0x62f/0x4c20
[  455.310941]  ? percpu_ref_get_many+0x240/0x240
[  455.315538]  ? print_usage_bug+0xc0/0xc0
[  455.319642]  ? zap_class+0x640/0x640
[  455.323352]  ? print_usage_bug+0xc0/0xc0
[  455.327403]  ? print_usage_bug+0xc0/0xc0
[  455.331457]  ? zap_class+0x640/0x640
[  455.335168]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  455.340705]  ? find_held_lock+0x36/0x1c0
[  455.344773]  ? mark_held_locks+0xc7/0x130
[  455.348920]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  455.354021]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  455.359118]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  455.363695]  ? trace_hardirqs_on+0xbd/0x310
[  455.368008]  ? kasan_check_read+0x11/0x20
[  455.372194]  ? ___ratelimit+0x3b4/0x672
[  455.376161]  ? trace_hardirqs_off_caller+0x310/0x310
[  455.381255]  ? trace_hardirqs_on+0x310/0x310
[  455.385667]  ? lock_downgrade+0x900/0x900
[  455.389815]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  455.394944]  ? ___ratelimit+0x3b9/0x672
[  455.398927]  ? idr_get_free+0xf70/0xf70
[  455.402891]  ? find_held_lock+0x36/0x1c0
[  455.406950]  oom_kill_process.cold.27+0x10/0x903
[  455.411730]  ? zap_class+0x640/0x640
[  455.415440]  ? check_preemption_disabled+0x48/0x280
[  455.420462]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  455.425395]  ? kasan_check_read+0x11/0x20
[  455.429532]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  455.434810]  ? oom_evaluate_task+0x540/0x540
[  455.439215]  ? find_held_lock+0x36/0x1c0
[  455.443273]  ? out_of_memory+0x974/0x1430
[  455.447432]  ? lock_downgrade+0x900/0x900
[  455.451572]  ? check_preemption_disabled+0x48/0x280
[  455.456596]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  455.461526]  ? kasan_check_read+0x11/0x20
[  455.465670]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  455.470948]  ? rcu_softirq_qs+0x20/0x20
[  455.474983]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  455.480525]  ? oom_evaluate_task+0x302/0x540
[  455.484929]  out_of_memory+0xa84/0x1430
[  455.488911]  ? oom_killer_disable+0x3a0/0x3a0
[  455.493396]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  455.498348]  ? __ww_mutex_check_waiters+0x160/0x160
[  455.503366]  __alloc_pages_slowpath+0x2354/0x2e10
[  455.508300]  ? warn_alloc+0x120/0x120
[  455.512108]  ? mark_held_locks+0x130/0x130
[  455.516350]  ? find_get_entry+0xaae/0x1120
[  455.520583]  ? filemap_map_pages+0x1a20/0x1a20
[  455.525157]  ? zap_class+0x640/0x640
[  455.528875]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  455.534401]  ? check_preemption_disabled+0x48/0x280
[  455.539407]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  455.544931]  ? should_fail+0x22d/0xd01
[  455.548809]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  455.553902]  ? zap_class+0x640/0x640
[  455.557627]  ? __lock_is_held+0xb5/0x140
[  455.561688]  ? mark_held_locks+0x130/0x130
[  455.565944]  ? lock_release+0xa00/0xa00
[  455.569928]  ? perf_trace_sched_process_exec+0x860/0x860
[  455.575367]  ? xa_load+0x2ba/0x460
[  455.578911]  ? lock_downgrade+0x900/0x900
[  455.583070]  ? __might_sleep+0x95/0x190
[  455.587062]  __alloc_pages_nodemask+0xa80/0xde0
[  455.591748]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  455.596759]  ? __page_cache_alloc+0x191/0x5c0
[  455.601254]  ? xa_load+0x2e1/0x460
[  455.604789]  ? xa_clear_mark+0x40/0x40
[  455.608680]  ? zap_class+0x640/0x640
[  455.612427]  ? zap_class+0x640/0x640
[  455.616147]  ? zap_class+0x640/0x640
[  455.619860]  ? __do_page_cache_readahead+0x663/0x810
[  455.624963]  ? find_held_lock+0x36/0x1c0
[  455.629025]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  455.634584]  alloc_pages_current+0x173/0x350
[  455.638994]  __page_cache_alloc+0x38c/0x5c0
[  455.643325]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  455.648254]  ? kasan_check_read+0x11/0x20
[  455.652405]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  455.657686]  ? generic_perform_write+0x6a0/0x6a0
[  455.662442]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  455.667981]  ? check_preemption_disabled+0x48/0x280
[  455.673012]  filemap_fault+0x1595/0x25f0
[  455.677087]  ? __lock_page_or_retry+0xa00/0xa00
[  455.681763]  ? mark_held_locks+0x130/0x130
[  455.686009]  ? filemap_map_pages+0xd6b/0x1a20
[  455.690506]  ? lock_downgrade+0x900/0x900
[  455.694656]  ? check_preemption_disabled+0x48/0x280
[  455.699674]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  455.704607]  ? kasan_check_read+0x11/0x20
[  455.708758]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  455.714065]  ? rcu_softirq_qs+0x20/0x20
[  455.718056]  ? filemap_map_pages+0xd92/0x1a20
[  455.722571]  ? find_get_entries_tag+0x1400/0x1400
[  455.727414]  ? find_held_lock+0x36/0x1c0
[  455.731489]  ? lock_acquire+0x1ed/0x520
[  455.735457]  ? ext4_filemap_fault+0x7a/0xad
[  455.739778]  ? lock_release+0xa00/0xa00
[  455.743746]  ? perf_trace_sched_process_exec+0x860/0x860
[  455.749197]  ? print_usage_bug+0xc0/0xc0
[  455.753287]  ? down_read+0x8d/0x120
[  455.756914]  ? ext4_filemap_fault+0x7a/0xad
[  455.761269]  ? __down_interruptible+0x700/0x700
[  455.765963]  ? find_held_lock+0x36/0x1c0
[  455.770037]  ext4_filemap_fault+0x82/0xad
[  455.774187]  __do_fault+0x100/0x6b0
[  455.777817]  ? lock_downgrade+0x900/0x900
[  455.781969]  ? pmd_devmap_trans_unstable+0x220/0x220
[  455.787106]  ? kasan_check_read+0x11/0x20
[  455.791253]  ? do_raw_spin_unlock+0xa7/0x330
[  455.795664]  ? do_raw_spin_trylock+0x270/0x270
[  455.800260]  __handle_mm_fault+0x3ea0/0x5be0
[  455.804669]  ? perf_trace_lock+0x7a0/0x7a0
[  455.808906]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  455.813767]  ? zap_class+0x640/0x640
[  455.817475]  ? zap_class+0x640/0x640
[  455.821200]  ? __x64_sys_futex+0x53e/0x6a0
[  455.825432]  ? find_held_lock+0x36/0x1c0
[  455.829494]  ? handle_mm_fault+0x42a/0xc70
[  455.833738]  ? lock_downgrade+0x900/0x900
[  455.837884]  ? check_preemption_disabled+0x48/0x280
[  455.842922]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  455.847877]  ? kasan_check_read+0x11/0x20
[  455.852024]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  455.857335]  ? rcu_softirq_qs+0x20/0x20
[  455.861298]  ? trace_hardirqs_off_caller+0x310/0x310
[  455.866403]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  455.871934]  ? check_preemption_disabled+0x48/0x280
[  455.876949]  handle_mm_fault+0x54f/0xc70
[  455.881023]  ? __handle_mm_fault+0x5be0/0x5be0
[  455.885601]  ? find_vma+0x34/0x190
[  455.889135]  __do_page_fault+0x5e8/0xe60
[  455.893186]  ? trace_hardirqs_off+0xb8/0x310
[  455.897613]  ? kernel_write+0x120/0x120
[  455.901595]  do_page_fault+0xf2/0x7e0
[  455.905390]  ? vmalloc_sync_all+0x30/0x30
[  455.909550]  ? error_entry+0x70/0xd0
[  455.913271]  ? trace_hardirqs_off_caller+0xbb/0x310
[  455.918334]  ? trace_hardirqs_on_caller+0xc0/0x310
[  455.923253]  ? syscall_return_slowpath+0x5e0/0x5e0
[  455.928173]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  455.933007]  ? trace_hardirqs_on_caller+0x310/0x310
[  455.938032]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  455.943480]  ? prepare_exit_to_usermode+0x291/0x3b0
[  455.948490]  ? page_fault+0x8/0x30
[  455.952025]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  455.956863]  ? page_fault+0x8/0x30
[  455.960396]  page_fault+0x1e/0x30
[  455.963837] RIP: 0033:0x404068
[  455.967029] Code: Bad RIP value.
[  455.970408] RSP: 002b:000000c420024e48 EFLAGS: 00010206
[  455.975758] RAX: 000000c422dd4cc0 RBX: 000000c42875f801 RCX: 000000c424d31838
[  455.983018] RDX: 000000c422dd4cc0 RSI: 0000000000000001 RDI: 0000000000000001
[  455.990294] RBP: 000000c420024ed8 R08: 00007ffd3a9b40b0 R09: 00007ffd3a9b4080
[  455.997565] R10: 000000000000eacc R11: 0000000000000165 R12: 0000000000000001
[  456.004839] R13: 000000c4271c3620 R14: 0000000000000001 R15: 0000000000000000
[  456.012128] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #83
[  456.012269] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  456.018907] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  456.029130] syz-fuzzer cpuset=/ mems_allowed=0
[  456.038467] Call Trace:
[  456.045638]  dump_stack+0x244/0x39d
[  456.049311]  ? dump_stack_print_info.cold.1+0x20/0x20
[  456.054556]  warn_alloc.cold.116+0xb7/0x1bd
[  456.058891]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  456.063749]  ? lock_downgrade+0x900/0x900
[  456.067933]  ? trace_hardirqs_off+0xb8/0x310
[  456.072341]  ? trace_hardirqs_off+0xb8/0x310
[  456.076766]  __alloc_pages_slowpath+0x26e8/0x2e10
[  456.081673]  ? warn_alloc+0x120/0x120
[  456.085474]  ? warn_alloc+0x120/0x120
[  456.089289]  ? warn_alloc+0x120/0x120
[  456.093100]  ? print_usage_bug+0xc0/0xc0
[  456.097191]  ? print_usage_bug+0xc0/0xc0
[  456.101278]  ? mark_held_locks+0x130/0x130
[  456.105505]  ? mark_held_locks+0x130/0x130
[  456.109737]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  456.115267]  ? should_fail+0x22d/0xd01
[  456.119146]  ? zap_class+0x640/0x640
[  456.122869]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  456.127966]  ? __lock_acquire+0x62f/0x4c20
[  456.132201]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  456.137294]  ? __lock_acquire+0x62f/0x4c20
[  456.141519]  ? should_fail+0x22d/0xd01
[  456.145416]  ? mark_held_locks+0x130/0x130
[  456.149665]  ? mark_held_locks+0x130/0x130
[  456.153894]  ? lock_downgrade+0x900/0x900
[  456.158036]  ? zap_class+0x640/0x640
[  456.161755]  ? zap_class+0x640/0x640
[  456.165467]  ? zap_class+0x640/0x640
[  456.169205]  ? do_raw_spin_unlock+0xa7/0x330
[  456.173637]  ? trace_hardirqs_on+0x310/0x310
[  456.178036]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  456.183573]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  456.189121]  ? check_preemption_disabled+0x48/0x280
[  456.194180]  ? __lock_is_held+0xb5/0x140
[  456.198237]  __alloc_pages_nodemask+0xa80/0xde0
[  456.202945]  ? zap_class+0x640/0x640
[  456.206675]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  456.211695]  ? find_held_lock+0x36/0x1c0
[  456.215775]  ? ____cache_alloc_node+0x1c7/0x1e0
[  456.220457]  ? lock_downgrade+0x900/0x900
[  456.224604]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  456.230176]  cache_grow_begin+0xa5/0x8c0
[  456.234281]  ? do_raw_spin_unlock+0xa7/0x330
[  456.238727]  fallback_alloc+0x204/0x2e0
[  456.242705]  ____cache_alloc_node+0x1c7/0x1e0
[  456.247212]  kmem_cache_alloc_node+0xe3/0x730
[  456.251700]  ? lockdep_hardirqs_on+0x296/0x5b0
[  456.256299]  __alloc_skb+0x119/0x770
[  456.260004]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  456.265378]  ? netdev_alloc_frag+0x1f0/0x1f0
[  456.269799]  ? vprintk_default+0x28/0x30
[  456.273908]  ? vprintk_func+0x85/0x181
[  456.277788]  ? printk+0xa7/0xcf
[  456.281102]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  456.285886]  ? do_raw_spin_trylock+0x270/0x270
[  456.290495]  new_skb+0x26/0x1c0
[  456.293779]  aoecmd_cfg+0x279/0x7f0
[  456.297419]  ? find_held_lock+0x36/0x1c0
[  456.301474]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  456.305793]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  456.311350]  ? __lock_is_held+0xb5/0x140
[  456.315412]  discover_timer+0x50/0x60
[  456.319215]  call_timer_fn+0x272/0x920
[  456.323141]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  456.327993]  ? process_timeout+0x40/0x40
[  456.332112]  ? __run_timers+0x7da/0xc70
[  456.336080]  ? _raw_spin_unlock_irq+0x27/0x80
[  456.340612]  ? _raw_spin_unlock_irq+0x27/0x80
[  456.345118]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  456.349956]  ? lockdep_hardirqs_on+0x296/0x5b0
[  456.354531]  ? trace_hardirqs_on+0xbd/0x310
[  456.358854]  ? kasan_check_read+0x11/0x20
[  456.362997]  ? __run_timers+0x7da/0xc70
[  456.366965]  ? trace_hardirqs_off_caller+0x310/0x310
[  456.372068]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  456.376898]  __run_timers+0x7e5/0xc70
[  456.380696]  ? timer_fixup_init+0x70/0x70
[  456.384831]  ? _raw_spin_unlock_irq+0x27/0x80
[  456.389327]  ? _raw_spin_unlock_irq+0x27/0x80
[  456.393820]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  456.398395]  ? trace_hardirqs_on+0xbd/0x310
[  456.402725]  ? kasan_check_read+0x11/0x20
[  456.406898]  ? finish_task_switch+0x1f4/0x910
[  456.411384]  ? trace_hardirqs_off_caller+0x310/0x310
[  456.416475]  ? compat_start_thread+0x80/0x80
[  456.420911]  ? pvclock_read_flags+0x160/0x160
[  456.425440]  ? __switch_to_asm+0x34/0x70
[  456.429523]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  456.435102]  ? check_preemption_disabled+0x48/0x280
[  456.440181]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  456.445743]  ? rcu_pm_notify+0xc0/0xc0
[  456.449648]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  456.455175]  ? check_preemption_disabled+0x48/0x280
[  456.460186]  run_timer_softirq+0x52/0xb0
[  456.464246]  ? rcu_read_lock_sched_held+0x14f/0x180
[  456.469252]  __do_softirq+0x308/0xb7e
[  456.473066]  ? trace_hardirqs_on_caller+0xc0/0x310
[  456.477993]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  456.483097]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  456.488551]  ? schedule+0x108/0x460
[  456.492176]  ? trace_hardirqs_off+0xb8/0x310
[  456.496578]  ? smpboot_thread_fn+0x68b/0xa00
[  456.500978]  ? trace_hardirqs_on+0x310/0x310
[  456.505391]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  456.510927]  ? check_preemption_disabled+0x48/0x280
[  456.515948]  ? takeover_tasklets+0xa90/0xa90
[  456.520419]  run_ksoftirqd+0x5e/0x100
[  456.524225]  smpboot_thread_fn+0x68b/0xa00
[  456.528452]  ? sort_range+0x30/0x30
[  456.532080]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  456.537171]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  456.542699]  ? __kthread_parkme+0xfb/0x1a0
[  456.546975]  ? sort_range+0x30/0x30
[  456.550593]  kthread+0x35a/0x440
[  456.553967]  ? kthread_stop+0x900/0x900
[  456.557951]  ret_from_fork+0x3a/0x50
[  456.561673] CPU: 1 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  456.561678] warn_alloc_show_mem: 1 callbacks suppressed
[  456.561684] Mem-Info:
[  456.568613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  456.573974] active_anon:44321 inactive_anon:2061 isolated_anon:0
[  456.573974]  active_file:14 inactive_file:14 isolated_file:0
[  456.573974]  unevictable:0 dirty:0 writeback:0 unstable:0
[  456.573974]  slab_reclaimable:9437 slab_unreclaimable:1460937
[  456.573974]  mapped:49154 shmem:2105 pagetables:642 bounce:0
[  456.573974]  free:13638 free_pcp:328 free_cma:0
[  456.576341] Call Trace:
[  456.585862] Node 0 active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8420kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  456.618883]  <IRQ>
[  456.621711] 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
[  456.649284]  dump_stack+0x244/0x39d
[  456.651420] lowmem_reserve[]: 0 2818 6321 6321
[  456.677525]  ? dump_stack_print_info.cold.1+0x20/0x20
[  456.681136] Node 0 DMA32 free:24708kB 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
[  456.685722]  warn_alloc.cold.116+0xb7/0x1bd
[  456.690877] lowmem_reserve[]: 0 0 3503 3503
[  456.718508]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  456.722799] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2568kB bounce:0kB free_pcp:1064kB local_pcp:692kB free_cma:0kB
[  456.727112]  ? lock_downgrade+0x900/0x900
[  456.731922] lowmem_reserve[]: 0 0 0 0
[  456.761447]  ? trace_hardirqs_off+0xb8/0x310
[  456.765567] 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
[  456.769379]  ? trace_hardirqs_off+0xb8/0x310
[  456.773754] Node 0 DMA32: 5*4kB (UM) 2*8kB (MH) 2*16kB (MH) 4*32kB (MH) 3*64kB (M) 2*128kB (M) 4*256kB (UMH) 3*512kB (UM) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24708kB
[  456.787390]  __alloc_pages_slowpath+0x26e8/0x2e10
[  456.791798] Node 0 Normal: 930*4kB (MEH) 535*8kB (UMEH) 215*16kB (UME) 80*32kB (UMH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  456.807322]  ? warn_alloc+0x120/0x120
[  456.812117] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  456.825880]  ? warn_alloc+0x120/0x120
[  456.829666] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  456.838482]  ? warn_alloc+0x120/0x120
[  456.842276] 2133 total pagecache pages
[  456.850837]  ? print_usage_bug+0xc0/0xc0
[  456.854629] 0 pages in swap cache
[  456.858497]  ? mark_held_locks+0x130/0x130
[  456.862528] Swap cache stats: add 0, delete 0, find 0/0
[  456.865982]  ? kvm_clock_read+0x18/0x30
[  456.870205] Free swap  = 0kB
[  456.875605]  ? print_usage_bug+0xc0/0xc0
[  456.879555] Total swap = 0kB
[  456.882565]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  456.886597] 1965979 pages RAM
[  456.889626]  ? should_fail+0x22d/0xd01
[  456.895130] 0 pages HighMem/MovableOnly
[  456.898244]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  456.902117] 342853 pages reserved
[  456.906074]  ? __lock_acquire+0x62f/0x4c20
[  456.911145] 0 pages cma reserved
[  456.914586]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  456.918902] aoe: skb alloc failure
[  456.922192]  ? __lock_acquire+0x62f/0x4c20
[  456.922205]  ? should_fail+0x22d/0xd01
[  456.927334] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  456.930826]  ? mark_held_locks+0x130/0x130
[  456.935029] ksoftirqd/0 cpuset=/ mems_allowed=0
[  456.938901]  ? mark_held_locks+0x130/0x130
[  456.962281]  ? zap_class+0x640/0x640
[  456.965987]  ? print_usage_bug+0xc0/0xc0
[  456.970044]  ? find_held_lock+0x36/0x1c0
[  456.974149]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  456.979680]  ? check_preemption_disabled+0x48/0x280
[  456.984695]  ? __lock_is_held+0xb5/0x140
[  456.988752]  __alloc_pages_nodemask+0xa80/0xde0
[  456.993415]  ? zap_class+0x640/0x640
[  456.997140]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  457.002169]  ? find_held_lock+0x36/0x1c0
[  457.006228]  ? ____cache_alloc_node+0x1c7/0x1e0
[  457.010905]  ? lock_downgrade+0x900/0x900
[  457.015050]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  457.020603]  cache_grow_begin+0xa5/0x8c0
[  457.024656]  ? do_raw_spin_unlock+0xa7/0x330
[  457.029080]  fallback_alloc+0x204/0x2e0
[  457.033070]  ____cache_alloc_node+0x1c7/0x1e0
[  457.037571]  kmem_cache_alloc_node+0xe3/0x730
[  457.042076]  ? ipv6_get_ifaddr+0x42e/0x620
[  457.046315]  __alloc_skb+0x119/0x770
[  457.050023]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  457.055315]  ? netdev_alloc_frag+0x1f0/0x1f0
[  457.059722]  ? lock_downgrade+0x900/0x900
[  457.063871]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  457.069414]  ? refcount_sub_and_test_checked+0x203/0x310
[  457.074875]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  457.080321]  ? addrconf_rs_timer+0x690/0x690
[  457.084743]  ndisc_alloc_skb+0x144/0x340
[  457.088843]  ndisc_send_rs+0x331/0x6e0
[  457.092760]  addrconf_rs_timer+0x314/0x690
[  457.096989]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  457.101221]  call_timer_fn+0x272/0x920
[  457.105107]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  457.109340]  ? process_timeout+0x40/0x40
[  457.113399]  ? mark_held_locks+0xc7/0x130
[  457.117555]  ? _raw_spin_unlock_irq+0x27/0x80
[  457.122040]  ? _raw_spin_unlock_irq+0x27/0x80
[  457.126534]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  457.130773]  ? lockdep_hardirqs_on+0x296/0x5b0
[  457.135378]  ? trace_hardirqs_on+0xbd/0x310
[  457.139736]  ? kasan_check_read+0x11/0x20
[  457.143911]  ? __run_timers+0x7da/0xc70
[  457.147890]  ? trace_hardirqs_off_caller+0x310/0x310
[  457.152997]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  457.157238]  __run_timers+0x7e5/0xc70
[  457.161054]  ? timer_fixup_init+0x70/0x70
[  457.165228]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  457.170241]  ? zap_class+0x640/0x640
[  457.173954]  ? print_usage_bug+0xc0/0xc0
[  457.178011]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  457.183198]  ? find_held_lock+0x36/0x1c0
[  457.187273]  ? zap_class+0x640/0x640
[  457.190982]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  457.196522]  ? check_preemption_disabled+0x48/0x280
[  457.201540]  ? __lock_is_held+0xb5/0x140
[  457.205617]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  457.211144]  ? check_preemption_disabled+0x48/0x280
[  457.216153]  run_timer_softirq+0x52/0xb0
[  457.220224]  ? rcu_read_lock_sched_held+0x14f/0x180
[  457.225263]  __do_softirq+0x308/0xb7e
[  457.229074]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  457.233577]  ? lock_downgrade+0x900/0x900
[  457.237719]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  457.242822]  ? pvclock_read_flags+0x160/0x160
[  457.247335]  ? lapic_next_event+0x5a/0x90
[  457.251508]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  457.257042]  ? kvm_clock_read+0x18/0x30
[  457.261037]  ? kvm_sched_clock_read+0x9/0x20
[  457.265442]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  457.270975]  ? check_preemption_disabled+0x48/0x280
[  457.275991]  irq_exit+0x17f/0x1c0
[  457.279454]  smp_apic_timer_interrupt+0x1cb/0x760
[  457.284307]  ? smp_reschedule_interrupt+0x109/0x650
[  457.289324]  ? smp_call_function_single_interrupt+0x650/0x650
[  457.295204]  ? interrupt_entry+0xb5/0xc0
[  457.299280]  ? trace_hardirqs_off_caller+0xbb/0x310
[  457.304301]  ? trace_hardirqs_off_caller+0xbb/0x310
[  457.309354]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  457.314202]  ? trace_hardirqs_on_caller+0x310/0x310
[  457.319217]  ? trace_hardirqs_on_caller+0x310/0x310
[  457.324258]  ? task_prio+0x50/0x50
[  457.327790]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  457.333340]  ? check_preemption_disabled+0x48/0x280
[  457.338364]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  457.343205]  apic_timer_interrupt+0xf/0x20
[  457.347425]  </IRQ>
[  457.349670] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  457.354897] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec
[  457.373799] RSP: 0018:ffff8801c2d36100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  457.381514] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100385b2de6
[  457.388777] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c2d96ebc
[  457.396035] RBP: ffff8801c2d36128 R08: ffff8801c2d96f30 R09: 0000000000000006
[  457.403291] R10: 0000000000000000 R11: ffff8801c2d96640 R12: dffffc0000000000
[  457.410570] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  457.417867]  retint_kernel+0x1b/0x2d
[  457.421586] RIP: 0010:dump_stack+0x358/0x39d
[  457.425996] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  457.444898] RSP: 0018:ffff8801c2d361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  457.452628] RAX: ffff8801c2d96640 RBX: 1ffffffff12a3f76 RCX: 1ffff100385b2de6
[  457.459884] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  457.467158] RBP: ffff8801c2d36290 R08: ffff8801c2d96f30 R09: 0000000000000006
[  457.474444] R10: 0000000000000000 R11: ffff8801c2d96640 R12: 1ffff100385a6c45
[  457.481715] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  457.488988]  ? dump_stack+0x34f/0x39d
[  457.492795]  ? dump_stack_print_info.cold.1+0x20/0x20
[  457.497991]  ? mark_held_locks+0x130/0x130
[  457.502240]  ? mark_held_locks+0x130/0x130
[  457.506478]  dump_header+0x27b/0xf72
[  457.510228]  ? pagefault_out_of_memory+0x197/0x197
[  457.515207]  ? __lock_acquire+0x62f/0x4c20
[  457.519456]  ? percpu_ref_get_many+0x240/0x240
[  457.524046]  ? print_usage_bug+0xc0/0xc0
[  457.528133]  ? zap_class+0x640/0x640
[  457.531867]  ? print_usage_bug+0xc0/0xc0
[  457.535925]  ? print_usage_bug+0xc0/0xc0
[  457.539987]  ? zap_class+0x640/0x640
[  457.543708]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  457.549250]  ? find_held_lock+0x36/0x1c0
[  457.553326]  ? mark_held_locks+0xc7/0x130
[  457.557477]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  457.562577]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  457.567702]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  457.572284]  ? trace_hardirqs_on+0xbd/0x310
[  457.576639]  ? kasan_check_read+0x11/0x20
[  457.580783]  ? ___ratelimit+0x3b4/0x672
[  457.584761]  ? trace_hardirqs_off_caller+0x310/0x310
[  457.589882]  ? trace_hardirqs_on+0x310/0x310
[  457.594293]  ? lock_downgrade+0x900/0x900
[  457.598447]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  457.603552]  ? ___ratelimit+0x3b9/0x672
[  457.607538]  ? idr_get_free+0xf70/0xf70
[  457.611525]  ? find_held_lock+0x36/0x1c0
[  457.615609]  oom_kill_process.cold.27+0x10/0x903
[  457.620374]  ? zap_class+0x640/0x640
[  457.624083]  ? check_preemption_disabled+0x48/0x280
[  457.629115]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  457.634035]  ? kasan_check_read+0x11/0x20
[  457.638178]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  457.643497]  ? oom_evaluate_task+0x540/0x540
[  457.647923]  ? find_held_lock+0x36/0x1c0
[  457.651992]  ? out_of_memory+0x974/0x1430
[  457.656136]  ? lock_downgrade+0x900/0x900
[  457.660275]  ? check_preemption_disabled+0x48/0x280
[  457.665291]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  457.670231]  ? kasan_check_read+0x11/0x20
[  457.674371]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  457.679646]  ? rcu_softirq_qs+0x20/0x20
[  457.683632]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  457.689182]  ? oom_evaluate_task+0x302/0x540
[  457.693595]  out_of_memory+0xa84/0x1430
[  457.697591]  ? oom_killer_disable+0x3a0/0x3a0
[  457.702082]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  457.707034]  ? __ww_mutex_check_waiters+0x160/0x160
[  457.712049]  __alloc_pages_slowpath+0x2354/0x2e10
[  457.716911]  ? warn_alloc+0x120/0x120
[  457.720700]  ? mark_held_locks+0x130/0x130
[  457.724943]  ? find_get_entry+0xaae/0x1120
[  457.729182]  ? filemap_map_pages+0x1a20/0x1a20
[  457.733760]  ? zap_class+0x640/0x640
[  457.737489]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  457.743035]  ? check_preemption_disabled+0x48/0x280
[  457.748067]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  457.753638]  ? should_fail+0x22d/0xd01
[  457.757521]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  457.762628]  ? zap_class+0x640/0x640
[  457.766363]  ? __lock_is_held+0xb5/0x140
[  457.770459]  ? mark_held_locks+0x130/0x130
[  457.774704]  ? lock_release+0xa00/0xa00
[  457.778671]  ? perf_trace_sched_process_exec+0x860/0x860
[  457.784114]  ? xa_load+0x2ba/0x460
[  457.787684]  ? lock_downgrade+0x900/0x900
[  457.791831]  ? __might_sleep+0x95/0x190
[  457.795800]  __alloc_pages_nodemask+0xa80/0xde0
[  457.800464]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  457.805475]  ? __page_cache_alloc+0x191/0x5c0
[  457.809978]  ? xa_load+0x2e1/0x460
[  457.813526]  ? xa_clear_mark+0x40/0x40
[  457.817429]  ? zap_class+0x640/0x640
[  457.821186]  ? zap_class+0x640/0x640
[  457.824892]  ? zap_class+0x640/0x640
[  457.828594]  ? __do_page_cache_readahead+0x663/0x810
[  457.833693]  ? find_held_lock+0x36/0x1c0
[  457.837751]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  457.843318]  alloc_pages_current+0x173/0x350
[  457.847738]  __page_cache_alloc+0x38c/0x5c0
[  457.852064]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  457.856982]  ? kasan_check_read+0x11/0x20
[  457.861145]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  457.866415]  ? generic_perform_write+0x6a0/0x6a0
[  457.871174]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  457.876699]  ? check_preemption_disabled+0x48/0x280
[  457.881712]  filemap_fault+0x1595/0x25f0
[  457.885774]  ? __lock_page_or_retry+0xa00/0xa00
[  457.890435]  ? mark_held_locks+0x130/0x130
[  457.894668]  ? filemap_map_pages+0xd6b/0x1a20
[  457.899167]  ? lock_downgrade+0x900/0x900
[  457.903340]  ? check_preemption_disabled+0x48/0x280
[  457.908366]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  457.913286]  ? kasan_check_read+0x11/0x20
[  457.917425]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  457.922713]  ? rcu_softirq_qs+0x20/0x20
[  457.926703]  ? filemap_map_pages+0xd92/0x1a20
[  457.931200]  ? find_get_entries_tag+0x1400/0x1400
[  457.936029]  ? find_held_lock+0x36/0x1c0
[  457.940109]  ? lock_acquire+0x1ed/0x520
[  457.944072]  ? ext4_filemap_fault+0x7a/0xad
[  457.948392]  ? lock_release+0xa00/0xa00
[  457.952368]  ? perf_trace_sched_process_exec+0x860/0x860
[  457.957812]  ? print_usage_bug+0xc0/0xc0
[  457.961877]  ? down_read+0x8d/0x120
[  457.965520]  ? ext4_filemap_fault+0x7a/0xad
[  457.969841]  ? __down_interruptible+0x700/0x700
[  457.974507]  ? find_held_lock+0x36/0x1c0
[  457.978586]  ext4_filemap_fault+0x82/0xad
[  457.982731]  __do_fault+0x100/0x6b0
[  457.986350]  ? lock_downgrade+0x900/0x900
[  457.990490]  ? pmd_devmap_trans_unstable+0x220/0x220
[  457.995594]  ? kasan_check_read+0x11/0x20
[  457.999732]  ? do_raw_spin_unlock+0xa7/0x330
[  458.004144]  ? do_raw_spin_trylock+0x270/0x270
[  458.008735]  __handle_mm_fault+0x3ea0/0x5be0
[  458.013136]  ? perf_trace_lock+0x7a0/0x7a0
[  458.017383]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  458.022236]  ? zap_class+0x640/0x640
[  458.025949]  ? zap_class+0x640/0x640
[  458.029654]  ? __x64_sys_futex+0x53e/0x6a0
[  458.033886]  ? find_held_lock+0x36/0x1c0
[  458.037944]  ? handle_mm_fault+0x42a/0xc70
[  458.042172]  ? lock_downgrade+0x900/0x900
[  458.046313]  ? check_preemption_disabled+0x48/0x280
[  458.051343]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  458.056264]  ? kasan_check_read+0x11/0x20
[  458.060405]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  458.065673]  ? rcu_softirq_qs+0x20/0x20
[  458.069644]  ? trace_hardirqs_off_caller+0x310/0x310
[  458.074739]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  458.080282]  ? check_preemption_disabled+0x48/0x280
[  458.085316]  handle_mm_fault+0x54f/0xc70
[  458.089370]  ? __handle_mm_fault+0x5be0/0x5be0
[  458.093961]  ? find_vma+0x34/0x190
[  458.097499]  __do_page_fault+0x5e8/0xe60
[  458.101556]  ? trace_hardirqs_off+0xb8/0x310
[  458.105969]  ? kernel_write+0x120/0x120
[  458.109940]  do_page_fault+0xf2/0x7e0
[  458.113734]  ? vmalloc_sync_all+0x30/0x30
[  458.117870]  ? error_entry+0x70/0xd0
[  458.121623]  ? trace_hardirqs_off_caller+0xbb/0x310
[  458.126683]  ? trace_hardirqs_on_caller+0xc0/0x310
[  458.131605]  ? syscall_return_slowpath+0x5e0/0x5e0
[  458.136551]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  458.141397]  ? trace_hardirqs_on_caller+0x310/0x310
[  458.146406]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  458.151866]  ? prepare_exit_to_usermode+0x291/0x3b0
[  458.156903]  ? page_fault+0x8/0x30
[  458.160441]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  458.165273]  ? page_fault+0x8/0x30
[  458.168803]  page_fault+0x1e/0x30
[  458.172257] RIP: 0033:0x404068
[  458.175454] Code: Bad RIP value.
[  458.178821] RSP: 002b:000000c420024e48 EFLAGS: 00010206
[  458.184197] RAX: 000000c422dd4cc0 RBX: 000000c42875f801 RCX: 000000c424d31838
[  458.191460] RDX: 000000c422dd4cc0 RSI: 0000000000000001 RDI: 0000000000000001
[  458.198733] RBP: 000000c420024ed8 R08: 00007ffd3a9b40b0 R09: 00007ffd3a9b4080
[  458.206004] R10: 000000000000eacc R11: 0000000000000165 R12: 0000000000000001
[  458.213268] R13: 000000c4271c3620 R14: 0000000000000001 R15: 0000000000000000
[  458.220550] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #83
[  458.220611] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  458.227312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  458.227331] Call Trace:
[  458.227346]  dump_stack+0x244/0x39d
[  458.227378]  ? dump_stack_print_info.cold.1+0x20/0x20
[  458.233951] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  458.243271]  warn_alloc.cold.116+0xb7/0x1bd
[  458.245837] syz-fuzzer cpuset=/ mems_allowed=0
[  458.249469]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  458.278632]  ? lock_downgrade+0x900/0x900
[  458.282797]  ? trace_hardirqs_off+0xb8/0x310
[  458.287211]  ? trace_hardirqs_off+0xb8/0x310
[  458.291643]  __alloc_pages_slowpath+0x26e8/0x2e10
[  458.296557]  ? warn_alloc+0x120/0x120
[  458.300372]  ? warn_alloc+0x120/0x120
[  458.304170]  ? warn_alloc+0x120/0x120
[  458.307967]  ? print_usage_bug+0xc0/0xc0
[  458.312130]  ? print_usage_bug+0xc0/0xc0
[  458.316195]  ? mark_held_locks+0x130/0x130
[  458.320461]  ? mark_held_locks+0x130/0x130
[  458.324697]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  458.330233]  ? should_fail+0x22d/0xd01
[  458.334116]  ? zap_class+0x640/0x640
[  458.337861]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  458.342963]  ? __lock_acquire+0x62f/0x4c20
[  458.347201]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  458.352329]  ? __lock_acquire+0x62f/0x4c20
[  458.356572]  ? should_fail+0x22d/0xd01
[  458.360462]  ? mark_held_locks+0x130/0x130
[  458.364692]  ? mark_held_locks+0x130/0x130
[  458.368932]  ? lock_downgrade+0x900/0x900
[  458.373119]  ? zap_class+0x640/0x640
[  458.376850]  ? zap_class+0x640/0x640
[  458.380574]  ? do_raw_spin_unlock+0xa7/0x330
[  458.384992]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  458.389762]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  458.395304]  ? check_preemption_disabled+0x48/0x280
[  458.400320]  ? __lock_is_held+0xb5/0x140
[  458.404380]  __alloc_pages_nodemask+0xa80/0xde0
[  458.409056]  ? zap_class+0x640/0x640
[  458.412794]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  458.417855]  ? find_held_lock+0x36/0x1c0
[  458.421946]  ? ____cache_alloc_node+0x1c7/0x1e0
[  458.426605]  ? lock_downgrade+0x900/0x900
[  458.430783]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  458.436320]  cache_grow_begin+0xa5/0x8c0
[  458.440374]  ? do_raw_spin_unlock+0xa7/0x330
[  458.444781]  fallback_alloc+0x204/0x2e0
[  458.448758]  ____cache_alloc_node+0x1c7/0x1e0
[  458.453252]  kmem_cache_alloc_node+0xe3/0x730
[  458.457769]  ? lockdep_hardirqs_on+0x296/0x5b0
[  458.462350]  __alloc_skb+0x119/0x770
[  458.466053]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  458.471455]  ? netdev_alloc_frag+0x1f0/0x1f0
[  458.475881]  ? vprintk_default+0x28/0x30
[  458.479936]  ? vprintk_func+0x85/0x181
[  458.483821]  ? printk+0xa7/0xcf
[  458.487108]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  458.491903]  ? do_raw_spin_trylock+0x270/0x270
[  458.496510]  new_skb+0x26/0x1c0
[  458.499785]  aoecmd_cfg+0x279/0x7f0
[  458.503415]  ? find_held_lock+0x36/0x1c0
[  458.507484]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  458.511810]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  458.517362]  ? __lock_is_held+0xb5/0x140
[  458.521421]  discover_timer+0x50/0x60
[  458.525228]  call_timer_fn+0x272/0x920
[  458.529106]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  458.533939]  ? process_timeout+0x40/0x40
[  458.538044]  ? __run_timers+0x7da/0xc70
[  458.542014]  ? _raw_spin_unlock_irq+0x27/0x80
[  458.546499]  ? _raw_spin_unlock_irq+0x27/0x80
[  458.550984]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  458.555824]  ? lockdep_hardirqs_on+0x296/0x5b0
[  458.560398]  ? trace_hardirqs_on+0xbd/0x310
[  458.564727]  ? kasan_check_read+0x11/0x20
[  458.568866]  ? __run_timers+0x7da/0xc70
[  458.572887]  ? trace_hardirqs_off_caller+0x310/0x310
[  458.578020]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  458.582856]  __run_timers+0x7e5/0xc70
[  458.586659]  ? timer_fixup_init+0x70/0x70
[  458.590816]  ? _raw_spin_unlock_irq+0x27/0x80
[  458.595314]  ? _raw_spin_unlock_irq+0x27/0x80
[  458.599853]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  458.604432]  ? trace_hardirqs_on+0xbd/0x310
[  458.608747]  ? kasan_check_read+0x11/0x20
[  458.612888]  ? finish_task_switch+0x1f4/0x910
[  458.617378]  ? trace_hardirqs_off_caller+0x310/0x310
[  458.622725]  ? compat_start_thread+0x80/0x80
[  458.627139]  ? pvclock_read_flags+0x160/0x160
[  458.631635]  ? __switch_to_asm+0x34/0x70
[  458.635718]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  458.641244]  ? check_preemption_disabled+0x48/0x280
[  458.646255]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  458.651782]  ? rcu_pm_notify+0xc0/0xc0
[  458.655667]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  458.661197]  ? check_preemption_disabled+0x48/0x280
[  458.666227]  run_timer_softirq+0x52/0xb0
[  458.670277]  ? rcu_read_lock_sched_held+0x14f/0x180
[  458.675299]  __do_softirq+0x308/0xb7e
[  458.679125]  ? trace_hardirqs_on_caller+0xc0/0x310
[  458.684065]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  458.689281]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  458.694767]  ? schedule+0x108/0x460
[  458.698393]  ? trace_hardirqs_off+0xb8/0x310
[  458.702832]  ? smpboot_thread_fn+0x68b/0xa00
[  458.707280]  ? trace_hardirqs_on+0x310/0x310
[  458.711680]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  458.717232]  ? check_preemption_disabled+0x48/0x280
[  458.722246]  ? takeover_tasklets+0xa90/0xa90
[  458.726654]  run_ksoftirqd+0x5e/0x100
[  458.730449]  smpboot_thread_fn+0x68b/0xa00
[  458.734697]  ? sort_range+0x30/0x30
[  458.738336]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  458.743436]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  458.748967]  ? __kthread_parkme+0xfb/0x1a0
[  458.753322]  ? sort_range+0x30/0x30
[  458.756960]  kthread+0x35a/0x440
[  458.760334]  ? kthread_stop+0x900/0x900
[  458.764305]  ret_from_fork+0x3a/0x50
[  458.768022] CPU: 1 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  458.768027] warn_alloc_show_mem: 1 callbacks suppressed
[  458.768032] Mem-Info:
[  458.774956] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  458.780312] active_anon:44321 inactive_anon:2061 isolated_anon:0
[  458.780312]  active_file:14 inactive_file:14 isolated_file:0
[  458.780312]  unevictable:0 dirty:0 writeback:0 unstable:0
[  458.780312]  slab_reclaimable:9437 slab_unreclaimable:1460937
[  458.780312]  mapped:49154 shmem:2105 pagetables:642 bounce:0
[  458.780312]  free:13638 free_pcp:328 free_cma:0
[  458.782688] Call Trace:
[  458.792155] Node 0 active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8420kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  458.825184]  <IRQ>
[  458.827765] 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
[  458.855352]  dump_stack+0x244/0x39d
[  458.857473] lowmem_reserve[]: 0 2818 6321 6321
[  458.883573]  ? dump_stack_print_info.cold.1+0x20/0x20
[  458.887186] Node 0 DMA32 free:24708kB 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
[  458.891775]  warn_alloc.cold.116+0xb7/0x1bd
[  458.896943] lowmem_reserve[]: 0 0 3503 3503
[  458.924433]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  458.928727] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2568kB bounce:0kB free_pcp:1064kB local_pcp:692kB free_cma:0kB
[  458.933046]  ? lock_downgrade+0x900/0x900
[  458.937876] lowmem_reserve[]: 0 0 0 0
[  458.966955]  ? trace_hardirqs_off+0xb8/0x310
[  458.971075] 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
[  458.974879]  ? trace_hardirqs_off+0xb8/0x310
[  458.979254] Node 0 DMA32: 5*4kB (UM) 2*8kB (MH) 2*16kB (MH) 4*32kB (MH) 3*64kB (M) 2*128kB (M) 4*256kB (UMH) 3*512kB (UM) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24708kB
[  458.992763]  __alloc_pages_slowpath+0x26e8/0x2e10
[  458.997178] Node 0 Normal: 930*4kB (MEH) 535*8kB (UMEH) 215*16kB (UME) 80*32kB (UMH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  459.012734]  ? warn_alloc+0x120/0x120
[  459.017552] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  459.031327]  ? print_usage_bug+0xc0/0xc0
[  459.035116] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  459.043944]  ? warn_alloc+0x120/0x120
[  459.047976] 2133 total pagecache pages
[  459.056577]  ? warn_alloc+0x120/0x120
[  459.060353] 0 pages in swap cache
[  459.064224]  ? print_usage_bug+0xc0/0xc0
[  459.068029] Swap cache stats: add 0, delete 0, find 0/0
[  459.071464]  ? kvm_clock_read+0x18/0x30
[  459.075501] Free swap  = 0kB
[  459.080849]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  459.084791] Total swap = 0kB
[  459.087794]  ? print_usage_bug+0xc0/0xc0
[  459.092783] 1965979 pages RAM
[  459.095782]  ? __lock_acquire+0x62f/0x4c20
[  459.099825] 0 pages HighMem/MovableOnly
[  459.102923]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  459.107125] 342853 pages reserved
[  459.111087]  ? should_fail+0x22d/0xd01
[  459.116604] 0 pages cma reserved
[  459.120053]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  459.123954] aoe: skb alloc failure
[  459.127281]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  459.132676] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  459.136370]  ? __lock_acquire+0x62f/0x4c20
[  459.141445] ksoftirqd/0 cpuset=/ mems_allowed=0
[  459.151744]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  459.165709]  ? __lock_acquire+0x62f/0x4c20
[  459.169971]  ? should_fail+0x22d/0xd01
[  459.173876]  ? rcu_irq_exit+0x1a2/0x390
[  459.177864]  ? mark_held_locks+0x130/0x130
[  459.182107]  ? mark_held_locks+0x130/0x130
[  459.186356]  ? mark_held_locks+0xc7/0x130
[  459.190512]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  459.195522]  ? zap_class+0x640/0x640
[  459.199246]  ? print_usage_bug+0xc0/0xc0
[  459.203310]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  459.208841]  ? check_preemption_disabled+0x48/0x280
[  459.213857]  ? __lock_is_held+0xb5/0x140
[  459.217934]  __alloc_pages_nodemask+0xa80/0xde0
[  459.222615]  ? zap_class+0x640/0x640
[  459.226347]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  459.231372]  ? find_held_lock+0x36/0x1c0
[  459.235445]  ? ____cache_alloc_node+0x1c7/0x1e0
[  459.240111]  ? lock_downgrade+0x900/0x900
[  459.244274]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  459.249806]  cache_grow_begin+0xa5/0x8c0
[  459.253884]  ? do_raw_spin_unlock+0xa7/0x330
[  459.258331]  fallback_alloc+0x204/0x2e0
[  459.262324]  ____cache_alloc_node+0x1c7/0x1e0
[  459.266824]  kmem_cache_alloc_node+0xe3/0x730
[  459.271340]  ? ipv6_get_ifaddr+0x42e/0x620
[  459.275579]  __alloc_skb+0x119/0x770
[  459.279316]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  459.284607]  ? netdev_alloc_frag+0x1f0/0x1f0
[  459.289120]  ? lock_downgrade+0x900/0x900
[  459.293264]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  459.298791]  ? refcount_sub_and_test_checked+0x203/0x310
[  459.304234]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  459.309690]  ? addrconf_rs_timer+0x690/0x690
[  459.314105]  ndisc_alloc_skb+0x144/0x340
[  459.318205]  ndisc_send_rs+0x331/0x6e0
[  459.322091]  addrconf_rs_timer+0x314/0x690
[  459.326342]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  459.330580]  call_timer_fn+0x272/0x920
[  459.334457]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  459.338698]  ? process_timeout+0x40/0x40
[  459.342761]  ? mark_held_locks+0xc7/0x130
[  459.346899]  ? _raw_spin_unlock_irq+0x27/0x80
[  459.351392]  ? _raw_spin_unlock_irq+0x27/0x80
[  459.355877]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  459.360119]  ? lockdep_hardirqs_on+0x296/0x5b0
[  459.364721]  ? trace_hardirqs_on+0xbd/0x310
[  459.369036]  ? kasan_check_read+0x11/0x20
[  459.373173]  ? __run_timers+0x7da/0xc70
[  459.377137]  ? trace_hardirqs_off_caller+0x310/0x310
[  459.382249]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  459.386481]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  459.390709]  __run_timers+0x7e5/0xc70
[  459.394508]  ? timer_fixup_init+0x70/0x70
[  459.398649]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  459.403671]  ? zap_class+0x640/0x640
[  459.407381]  ? print_usage_bug+0xc0/0xc0
[  459.411453]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  459.416665]  ? find_held_lock+0x36/0x1c0
[  459.420733]  ? zap_class+0x640/0x640
[  459.424452]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  459.429980]  ? check_preemption_disabled+0x48/0x280
[  459.434993]  ? __lock_is_held+0xb5/0x140
[  459.439045]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  459.444582]  ? check_preemption_disabled+0x48/0x280
[  459.449595]  run_timer_softirq+0x52/0xb0
[  459.453645]  ? rcu_read_lock_sched_held+0x14f/0x180
[  459.458650]  __do_softirq+0x308/0xb7e
[  459.462452]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  459.466948]  ? lock_downgrade+0x900/0x900
[  459.471121]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  459.476248]  ? pvclock_read_flags+0x160/0x160
[  459.480734]  ? lapic_next_event+0x5a/0x90
[  459.484873]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  459.490415]  ? kvm_clock_read+0x18/0x30
[  459.494410]  ? kvm_sched_clock_read+0x9/0x20
[  459.498813]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  459.504354]  ? check_preemption_disabled+0x48/0x280
[  459.509394]  irq_exit+0x17f/0x1c0
[  459.512853]  smp_apic_timer_interrupt+0x1cb/0x760
[  459.517718]  ? smp_reschedule_interrupt+0x109/0x650
[  459.522720]  ? smp_call_function_single_interrupt+0x650/0x650
[  459.528607]  ? interrupt_entry+0xb5/0xc0
[  459.532658]  ? trace_hardirqs_off_caller+0xbb/0x310
[  459.537664]  ? trace_hardirqs_off_caller+0xbb/0x310
[  459.542689]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  459.547538]  ? trace_hardirqs_on_caller+0x310/0x310
[  459.552575]  ? trace_hardirqs_on_caller+0x310/0x310
[  459.557597]  ? task_prio+0x50/0x50
[  459.561163]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  459.566709]  ? check_preemption_disabled+0x48/0x280
[  459.571756]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  459.576598]  apic_timer_interrupt+0xf/0x20
[  459.580830]  </IRQ>
[  459.583086] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  459.588266] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec
[  459.607163] RSP: 0018:ffff8801c2d36100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  459.614876] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100385b2de6
[  459.622152] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c2d96ebc
[  459.629411] RBP: ffff8801c2d36128 R08: ffff8801c2d96f30 R09: 0000000000000006
[  459.636671] R10: 0000000000000000 R11: ffff8801c2d96640 R12: dffffc0000000000
[  459.643928] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  459.651207]  retint_kernel+0x1b/0x2d
[  459.654911] RIP: 0010:dump_stack+0x358/0x39d
[  459.659311] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  459.678216] RSP: 0018:ffff8801c2d361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  459.685930] RAX: ffff8801c2d96640 RBX: 1ffffffff12a3f76 RCX: 1ffff100385b2de6
[  459.693199] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  459.700477] RBP: ffff8801c2d36290 R08: ffff8801c2d96f30 R09: 0000000000000006
[  459.707734] R10: 0000000000000000 R11: ffff8801c2d96640 R12: 1ffff100385a6c45
[  459.714990] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  459.722295]  ? dump_stack+0x34f/0x39d
[  459.726140]  ? dump_stack_print_info.cold.1+0x20/0x20
[  459.731342]  ? mark_held_locks+0x130/0x130
[  459.735576]  ? mark_held_locks+0x130/0x130
[  459.739817]  dump_header+0x27b/0xf72
[  459.743532]  ? pagefault_out_of_memory+0x197/0x197
[  459.748502]  ? __lock_acquire+0x62f/0x4c20
[  459.752733]  ? percpu_ref_get_many+0x240/0x240
[  459.757316]  ? print_usage_bug+0xc0/0xc0
[  459.761389]  ? zap_class+0x640/0x640
[  459.765153]  ? print_usage_bug+0xc0/0xc0
[  459.769210]  ? print_usage_bug+0xc0/0xc0
[  459.773281]  ? zap_class+0x640/0x640
[  459.776995]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  459.782529]  ? find_held_lock+0x36/0x1c0
[  459.786611]  ? mark_held_locks+0xc7/0x130
[  459.790752]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  459.795890]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  459.801003]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  459.805595]  ? trace_hardirqs_on+0xbd/0x310
[  459.809905]  ? kasan_check_read+0x11/0x20
[  459.814045]  ? ___ratelimit+0x3b4/0x672
[  459.818026]  ? trace_hardirqs_off_caller+0x310/0x310
[  459.823143]  ? trace_hardirqs_on+0x310/0x310
[  459.827555]  ? lock_downgrade+0x900/0x900
[  459.831718]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  459.836812]  ? ___ratelimit+0x3b9/0x672
[  459.840795]  ? idr_get_free+0xf70/0xf70
[  459.844763]  ? find_held_lock+0x36/0x1c0
[  459.848824]  oom_kill_process.cold.27+0x10/0x903
[  459.853575]  ? zap_class+0x640/0x640
[  459.857340]  ? check_preemption_disabled+0x48/0x280
[  459.862349]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  459.867273]  ? kasan_check_read+0x11/0x20
[  459.871430]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  459.876699]  ? oom_evaluate_task+0x540/0x540
[  459.881120]  ? find_held_lock+0x36/0x1c0
[  459.885195]  ? out_of_memory+0x974/0x1430
[  459.889350]  ? lock_downgrade+0x900/0x900
[  459.893495]  ? check_preemption_disabled+0x48/0x280
[  459.898505]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  459.903428]  ? kasan_check_read+0x11/0x20
[  459.907588]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  459.912876]  ? rcu_softirq_qs+0x20/0x20
[  459.916866]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  459.922394]  ? oom_evaluate_task+0x302/0x540
[  459.926798]  out_of_memory+0xa84/0x1430
[  459.930774]  ? oom_killer_disable+0x3a0/0x3a0
[  459.935264]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  459.940190]  ? __ww_mutex_check_waiters+0x160/0x160
[  459.945227]  __alloc_pages_slowpath+0x2354/0x2e10
[  459.950112]  ? warn_alloc+0x120/0x120
[  459.953905]  ? mark_held_locks+0x130/0x130
[  459.958140]  ? find_get_entry+0xaae/0x1120
[  459.962394]  ? filemap_map_pages+0x1a20/0x1a20
[  459.966974]  ? zap_class+0x640/0x640
[  459.970688]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  459.976252]  ? check_preemption_disabled+0x48/0x280
[  459.981277]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  459.986808]  ? should_fail+0x22d/0xd01
[  459.990693]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  459.995791]  ? zap_class+0x640/0x640
[  459.999517]  ? __lock_is_held+0xb5/0x140
[  460.003586]  ? mark_held_locks+0x130/0x130
[  460.007816]  ? lock_release+0xa00/0xa00
[  460.011801]  ? perf_trace_sched_process_exec+0x860/0x860
[  460.017273]  ? xa_load+0x2ba/0x460
[  460.020808]  ? lock_downgrade+0x900/0x900
[  460.024954]  ? __might_sleep+0x95/0x190
[  460.028921]  __alloc_pages_nodemask+0xa80/0xde0
[  460.033607]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  460.038668]  ? __page_cache_alloc+0x191/0x5c0
[  460.043186]  ? xa_load+0x2e1/0x460
[  460.046741]  ? xa_clear_mark+0x40/0x40
[  460.050654]  ? zap_class+0x640/0x640
[  460.054372]  ? zap_class+0x640/0x640
[  460.058112]  ? zap_class+0x640/0x640
[  460.061820]  ? __do_page_cache_readahead+0x663/0x810
[  460.066939]  ? find_held_lock+0x36/0x1c0
[  460.071021]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  460.076565]  alloc_pages_current+0x173/0x350
[  460.080972]  __page_cache_alloc+0x38c/0x5c0
[  460.085295]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  460.090229]  ? kasan_check_read+0x11/0x20
[  460.094367]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  460.099638]  ? generic_perform_write+0x6a0/0x6a0
[  460.104403]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  460.109931]  ? check_preemption_disabled+0x48/0x280
[  460.114944]  filemap_fault+0x1595/0x25f0
[  460.119006]  ? __lock_page_or_retry+0xa00/0xa00
[  460.123667]  ? mark_held_locks+0x130/0x130
[  460.127899]  ? filemap_map_pages+0xd6b/0x1a20
[  460.132384]  ? lock_downgrade+0x900/0x900
[  460.136533]  ? check_preemption_disabled+0x48/0x280
[  460.141572]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  460.146493]  ? kasan_check_read+0x11/0x20
[  460.150639]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  460.155909]  ? rcu_softirq_qs+0x20/0x20
[  460.159904]  ? filemap_map_pages+0xd92/0x1a20
[  460.164405]  ? find_get_entries_tag+0x1400/0x1400
[  460.169238]  ? find_held_lock+0x36/0x1c0
[  460.173311]  ? lock_acquire+0x1ed/0x520
[  460.177308]  ? ext4_filemap_fault+0x7a/0xad
[  460.181646]  ? lock_release+0xa00/0xa00
[  460.185613]  ? perf_trace_sched_process_exec+0x860/0x860
[  460.191057]  ? print_usage_bug+0xc0/0xc0
[  460.195122]  ? down_read+0x8d/0x120
[  460.198737]  ? ext4_filemap_fault+0x7a/0xad
[  460.203051]  ? __down_interruptible+0x700/0x700
[  460.207723]  ? find_held_lock+0x36/0x1c0
[  460.211778]  ext4_filemap_fault+0x82/0xad
[  460.215935]  __do_fault+0x100/0x6b0
[  460.219560]  ? lock_downgrade+0x900/0x900
[  460.223703]  ? pmd_devmap_trans_unstable+0x220/0x220
[  460.228831]  ? kasan_check_read+0x11/0x20
[  460.233004]  ? do_raw_spin_unlock+0xa7/0x330
[  460.237403]  ? do_raw_spin_trylock+0x270/0x270
[  460.241991]  __handle_mm_fault+0x3ea0/0x5be0
[  460.246390]  ? perf_trace_lock+0x7a0/0x7a0
[  460.250622]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  460.255481]  ? zap_class+0x640/0x640
[  460.259186]  ? zap_class+0x640/0x640
[  460.262895]  ? __x64_sys_futex+0x53e/0x6a0
[  460.267164]  ? find_held_lock+0x36/0x1c0
[  460.271237]  ? handle_mm_fault+0x42a/0xc70
[  460.275469]  ? lock_downgrade+0x900/0x900
[  460.279624]  ? check_preemption_disabled+0x48/0x280
[  460.284662]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  460.289601]  ? kasan_check_read+0x11/0x20
[  460.293756]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  460.299052]  ? rcu_softirq_qs+0x20/0x20
[  460.303051]  ? trace_hardirqs_off_caller+0x310/0x310
[  460.308146]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  460.313687]  ? check_preemption_disabled+0x48/0x280
[  460.318703]  handle_mm_fault+0x54f/0xc70
[  460.322783]  ? __handle_mm_fault+0x5be0/0x5be0
[  460.327362]  ? find_vma+0x34/0x190
[  460.330899]  __do_page_fault+0x5e8/0xe60
[  460.334956]  ? trace_hardirqs_off+0xb8/0x310
[  460.339380]  ? kernel_write+0x120/0x120
[  460.343364]  do_page_fault+0xf2/0x7e0
[  460.347157]  ? vmalloc_sync_all+0x30/0x30
[  460.351319]  ? error_entry+0x70/0xd0
[  460.355047]  ? trace_hardirqs_off_caller+0xbb/0x310
[  460.360070]  ? trace_hardirqs_on_caller+0xc0/0x310
[  460.365011]  ? syscall_return_slowpath+0x5e0/0x5e0
[  460.369930]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  460.374766]  ? trace_hardirqs_on_caller+0x310/0x310
[  460.379790]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  460.385234]  ? prepare_exit_to_usermode+0x291/0x3b0
[  460.390254]  ? page_fault+0x8/0x30
[  460.393785]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  460.398625]  ? page_fault+0x8/0x30
[  460.402158]  page_fault+0x1e/0x30
[  460.405626] RIP: 0033:0x404068
[  460.408817] Code: Bad RIP value.
[  460.412199] RSP: 002b:000000c420024e48 EFLAGS: 00010206
[  460.417560] RAX: 000000c422dd4cc0 RBX: 000000c42875f801 RCX: 000000c424d31838
[  460.424832] RDX: 000000c422dd4cc0 RSI: 0000000000000001 RDI: 0000000000000001
[  460.432107] RBP: 000000c420024ed8 R08: 00007ffd3a9b40b0 R09: 00007ffd3a9b4080
[  460.439415] R10: 000000000000eacc R11: 0000000000000165 R12: 0000000000000001
[  460.446694] R13: 000000c4271c3620 R14: 0000000000000001 R15: 0000000000000000
[  460.453970] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #83
[  460.454056] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  460.460734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  460.460741] Call Trace:
[  460.467310] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  460.476592]  dump_stack+0x244/0x39d
[  460.479176] syz-fuzzer cpuset=/ mems_allowed=0
[  460.489390]  ? dump_stack_print_info.cold.1+0x20/0x20
[  460.502757]  warn_alloc.cold.116+0xb7/0x1bd
[  460.507133]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  460.511980]  ? lock_downgrade+0x900/0x900
[  460.516146]  ? trace_hardirqs_off+0xb8/0x310
[  460.520556]  ? trace_hardirqs_off+0xb8/0x310
[  460.524988]  __alloc_pages_slowpath+0x26e8/0x2e10
[  460.529861]  ? warn_alloc+0x120/0x120
[  460.533655]  ? warn_alloc+0x120/0x120
[  460.537451]  ? warn_alloc+0x120/0x120
[  460.541247]  ? print_usage_bug+0xc0/0xc0
[  460.545308]  ? print_usage_bug+0xc0/0xc0
[  460.549371]  ? mark_held_locks+0x130/0x130
[  460.553595]  ? mark_held_locks+0x130/0x130
[  460.557824]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  460.563373]  ? should_fail+0x22d/0xd01
[  460.567251]  ? zap_class+0x640/0x640
[  460.570969]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  460.576060]  ? __lock_acquire+0x62f/0x4c20
[  460.580287]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  460.585395]  ? __lock_acquire+0x62f/0x4c20
[  460.589617]  ? should_fail+0x22d/0xd01
[  460.593533]  ? mark_held_locks+0x130/0x130
[  460.597784]  ? mark_held_locks+0x130/0x130
[  460.602027]  ? lock_downgrade+0x900/0x900
[  460.606164]  ? zap_class+0x640/0x640
[  460.609869]  ? zap_class+0x640/0x640
[  460.613573]  ? do_raw_spin_unlock+0xa7/0x330
[  460.617984]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  460.622993]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  460.628520]  ? check_preemption_disabled+0x48/0x280
[  460.633537]  ? __lock_is_held+0xb5/0x140
[  460.637611]  __alloc_pages_nodemask+0xa80/0xde0
[  460.642281]  ? zap_class+0x640/0x640
[  460.646003]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  460.651016]  ? find_held_lock+0x36/0x1c0
[  460.655079]  ? ____cache_alloc_node+0x1c7/0x1e0
[  460.659744]  ? lock_downgrade+0x900/0x900
[  460.663918]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  460.669451]  cache_grow_begin+0xa5/0x8c0
[  460.673499]  ? do_raw_spin_unlock+0xa7/0x330
[  460.677918]  fallback_alloc+0x204/0x2e0
[  460.681910]  ____cache_alloc_node+0x1c7/0x1e0
[  460.686432]  kmem_cache_alloc_node+0xe3/0x730
[  460.690934]  ? lockdep_hardirqs_on+0x296/0x5b0
[  460.695569]  __alloc_skb+0x119/0x770
[  460.699277]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  460.704661]  ? netdev_alloc_frag+0x1f0/0x1f0
[  460.709097]  ? vprintk_default+0x28/0x30
[  460.713167]  ? vprintk_func+0x85/0x181
[  460.717045]  ? printk+0xa7/0xcf
[  460.720315]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  460.725064]  ? do_raw_spin_trylock+0x270/0x270
[  460.729642]  new_skb+0x26/0x1c0
[  460.732952]  aoecmd_cfg+0x279/0x7f0
[  460.736571]  ? find_held_lock+0x36/0x1c0
[  460.740637]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  460.744950]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  460.750487]  ? __lock_is_held+0xb5/0x140
[  460.754568]  discover_timer+0x50/0x60
[  460.758404]  call_timer_fn+0x272/0x920
[  460.762298]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  460.767151]  ? process_timeout+0x40/0x40
[  460.771226]  ? __run_timers+0x7da/0xc70
[  460.775224]  ? _raw_spin_unlock_irq+0x27/0x80
[  460.779723]  ? _raw_spin_unlock_irq+0x27/0x80
[  460.784211]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  460.789064]  ? lockdep_hardirqs_on+0x296/0x5b0
[  460.793649]  ? trace_hardirqs_on+0xbd/0x310
[  460.797979]  ? kasan_check_read+0x11/0x20
[  460.802130]  ? __run_timers+0x7da/0xc70
[  460.806105]  ? trace_hardirqs_off_caller+0x310/0x310
[  460.811209]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  460.816040]  __run_timers+0x7e5/0xc70
[  460.819860]  ? timer_fixup_init+0x70/0x70
[  460.824030]  ? _raw_spin_unlock_irq+0x27/0x80
[  460.828516]  ? _raw_spin_unlock_irq+0x27/0x80
[  460.833057]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  460.837634]  ? trace_hardirqs_on+0xbd/0x310
[  460.841948]  ? kasan_check_read+0x11/0x20
[  460.846104]  ? finish_task_switch+0x1f4/0x910
[  460.850597]  ? trace_hardirqs_off_caller+0x310/0x310
[  460.855718]  ? compat_start_thread+0x80/0x80
[  460.860149]  ? pvclock_read_flags+0x160/0x160
[  460.864630]  ? __switch_to_asm+0x34/0x70
[  460.868711]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  460.874241]  ? check_preemption_disabled+0x48/0x280
[  460.879268]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  460.884795]  ? rcu_pm_notify+0xc0/0xc0
[  460.888698]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  460.894231]  ? check_preemption_disabled+0x48/0x280
[  460.899257]  run_timer_softirq+0x52/0xb0
[  460.903344]  ? rcu_read_lock_sched_held+0x14f/0x180
[  460.908372]  __do_softirq+0x308/0xb7e
[  460.912165]  ? trace_hardirqs_on_caller+0xc0/0x310
[  460.917087]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  460.922227]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  460.927691]  ? schedule+0x108/0x460
[  460.931317]  ? trace_hardirqs_off+0xb8/0x310
[  460.935732]  ? smpboot_thread_fn+0x68b/0xa00
[  460.940133]  ? trace_hardirqs_on+0x310/0x310
[  460.944535]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  460.950076]  ? check_preemption_disabled+0x48/0x280
[  460.955137]  ? takeover_tasklets+0xa90/0xa90
[  460.959539]  run_ksoftirqd+0x5e/0x100
[  460.963363]  smpboot_thread_fn+0x68b/0xa00
[  460.967599]  ? sort_range+0x30/0x30
[  460.971217]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  460.976308]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  460.981877]  ? __kthread_parkme+0xfb/0x1a0
[  460.986166]  ? sort_range+0x30/0x30
[  460.989802]  kthread+0x35a/0x440
[  460.993184]  ? kthread_stop+0x900/0x900
[  460.997184]  ret_from_fork+0x3a/0x50
[  461.000912] CPU: 1 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  461.000917] warn_alloc_show_mem: 1 callbacks suppressed
[  461.000924] Mem-Info:
[  461.007845] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  461.013212] active_anon:44321 inactive_anon:2061 isolated_anon:0
[  461.013212]  active_file:14 inactive_file:14 isolated_file:0
[  461.013212]  unevictable:0 dirty:0 writeback:0 unstable:0
[  461.013212]  slab_reclaimable:9437 slab_unreclaimable:1460937
[  461.013212]  mapped:49154 shmem:2105 pagetables:642 bounce:0
[  461.013212]  free:13638 free_pcp:328 free_cma:0
[  461.015585] Call Trace:
[  461.024969] Node 0 active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8420kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  461.057985]  <IRQ>
[  461.060557] 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
[  461.088133]  dump_stack+0x244/0x39d
[  461.090255] lowmem_reserve[]: 0 2818 6321 6321
[  461.116351]  ? dump_stack_print_info.cold.1+0x20/0x20
[  461.119945] Node 0 DMA32 free:24708kB 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
[  461.124534]  warn_alloc.cold.116+0xb7/0x1bd
[  461.129686] lowmem_reserve[]: 0 0 3503 3503
[  461.157170]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  461.161465] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2568kB bounce:0kB free_pcp:1064kB local_pcp:692kB free_cma:0kB
[  461.165772]  ? lock_downgrade+0x900/0x900
[  461.170599] lowmem_reserve[]: 0 0 0 0
[  461.199650]  ? trace_hardirqs_off+0xb8/0x310
[  461.203771] 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
[  461.207568]  ? trace_hardirqs_off+0xb8/0x310
[  461.211946] Node 0 DMA32: 5*4kB (UM) 2*8kB (MH) 2*16kB (MH) 4*32kB (MH) 3*64kB (M) 2*128kB (M) 4*256kB (UMH) 3*512kB (UM) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24708kB
[  461.225470]  __alloc_pages_slowpath+0x26e8/0x2e10
[  461.229874] Node 0 Normal: 930*4kB (MEH) 535*8kB (UMEH) 215*16kB (UME) 80*32kB (UMH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  461.245416]  ? warn_alloc+0x120/0x120
[  461.250231] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  461.264005]  ? print_usage_bug+0xc0/0xc0
[  461.267797] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  461.276674]  ? warn_alloc+0x120/0x120
[  461.280710] 2133 total pagecache pages
[  461.289319]  ? warn_alloc+0x120/0x120
[  461.293095] 0 pages in swap cache
[  461.297089]  ? print_usage_bug+0xc0/0xc0
[  461.300882] Swap cache stats: add 0, delete 0, find 0/0
[  461.304321]  ? kvm_clock_read+0x18/0x30
[  461.308367] Free swap  = 0kB
[  461.313723]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  461.317664] Total swap = 0kB
[  461.320695]  ? print_usage_bug+0xc0/0xc0
[  461.325696] 1965979 pages RAM
[  461.328700]  ? __lock_acquire+0x62f/0x4c20
[  461.332744] 0 pages HighMem/MovableOnly
[  461.335842]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  461.340053] 342853 pages reserved
[  461.344013]  ? should_fail+0x22d/0xd01
[  461.349561] 0 pages cma reserved
[  461.353008]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  461.356930] aoe: skb alloc failure
[  461.360244]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  461.365563] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  461.369037]  ? __lock_acquire+0x62f/0x4c20
[  461.374131] ksoftirqd/0 cpuset=/ mems_allowed=0
[  461.384431]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  461.398381]  ? __lock_acquire+0x62f/0x4c20
[  461.402663]  ? should_fail+0x22d/0xd01
[  461.406540]  ? rcu_irq_exit+0x1a2/0x390
[  461.410537]  ? mark_held_locks+0x130/0x130
[  461.414778]  ? mark_held_locks+0x130/0x130
[  461.419010]  ? mark_held_locks+0xc7/0x130
[  461.423166]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  461.428173]  ? zap_class+0x640/0x640
[  461.431895]  ? print_usage_bug+0xc0/0xc0
[  461.435949]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  461.441493]  ? check_preemption_disabled+0x48/0x280
[  461.446540]  ? __lock_is_held+0xb5/0x140
[  461.450627]  __alloc_pages_nodemask+0xa80/0xde0
[  461.455282]  ? zap_class+0x640/0x640
[  461.458996]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  461.464017]  ? find_held_lock+0x36/0x1c0
[  461.468094]  ? ____cache_alloc_node+0x1c7/0x1e0
[  461.472760]  ? lock_downgrade+0x900/0x900
[  461.476941]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  461.482506]  cache_grow_begin+0xa5/0x8c0
[  461.486560]  ? do_raw_spin_unlock+0xa7/0x330
[  461.490971]  fallback_alloc+0x204/0x2e0
[  461.494963]  ____cache_alloc_node+0x1c7/0x1e0
[  461.499483]  kmem_cache_alloc_node+0xe3/0x730
[  461.504001]  ? ipv6_get_ifaddr+0x42e/0x620
[  461.508264]  __alloc_skb+0x119/0x770
[  461.511973]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  461.517247]  ? netdev_alloc_frag+0x1f0/0x1f0
[  461.521646]  ? lock_downgrade+0x900/0x900
[  461.525804]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  461.531383]  ? refcount_sub_and_test_checked+0x203/0x310
[  461.536875]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  461.542349]  ? addrconf_rs_timer+0x690/0x690
[  461.546778]  ndisc_alloc_skb+0x144/0x340
[  461.550854]  ndisc_send_rs+0x331/0x6e0
[  461.554740]  addrconf_rs_timer+0x314/0x690
[  461.558978]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  461.563998]  call_timer_fn+0x272/0x920
[  461.567881]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  461.572122]  ? process_timeout+0x40/0x40
[  461.576216]  ? mark_held_locks+0xc7/0x130
[  461.580364]  ? _raw_spin_unlock_irq+0x27/0x80
[  461.584853]  ? _raw_spin_unlock_irq+0x27/0x80
[  461.589344]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  461.593578]  ? lockdep_hardirqs_on+0x296/0x5b0
[  461.598169]  ? trace_hardirqs_on+0xbd/0x310
[  461.602514]  ? kasan_check_read+0x11/0x20
[  461.606659]  ? __run_timers+0x7da/0xc70
[  461.610633]  ? trace_hardirqs_off_caller+0x310/0x310
[  461.615739]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  461.619991]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  461.624238]  __run_timers+0x7e5/0xc70
[  461.628043]  ? timer_fixup_init+0x70/0x70
[  461.632207]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  461.637217]  ? zap_class+0x640/0x640
[  461.640930]  ? print_usage_bug+0xc0/0xc0
[  461.645014]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  461.650217]  ? find_held_lock+0x36/0x1c0
[  461.654289]  ? zap_class+0x640/0x640
[  461.658034]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  461.663587]  ? check_preemption_disabled+0x48/0x280
[  461.668619]  ? __lock_is_held+0xb5/0x140
[  461.672675]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  461.678220]  ? check_preemption_disabled+0x48/0x280
[  461.683232]  run_timer_softirq+0x52/0xb0
[  461.687288]  ? rcu_read_lock_sched_held+0x14f/0x180
[  461.692296]  __do_softirq+0x308/0xb7e
[  461.696109]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  461.700608]  ? lock_downgrade+0x900/0x900
[  461.704750]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  461.709851]  ? pvclock_read_flags+0x160/0x160
[  461.714339]  ? lapic_next_event+0x5a/0x90
[  461.718488]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  461.724040]  ? kvm_clock_read+0x18/0x30
[  461.728007]  ? kvm_sched_clock_read+0x9/0x20
[  461.732411]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  461.737945]  ? check_preemption_disabled+0x48/0x280
[  461.742975]  irq_exit+0x17f/0x1c0
[  461.746439]  smp_apic_timer_interrupt+0x1cb/0x760
[  461.751301]  ? smp_reschedule_interrupt+0x109/0x650
[  461.756319]  ? smp_call_function_single_interrupt+0x650/0x650
[  461.762198]  ? interrupt_entry+0xb5/0xc0
[  461.766283]  ? trace_hardirqs_off_caller+0xbb/0x310
[  461.771301]  ? trace_hardirqs_off_caller+0xbb/0x310
[  461.776323]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  461.781191]  ? trace_hardirqs_on_caller+0x310/0x310
[  461.786244]  ? trace_hardirqs_on_caller+0x310/0x310
[  461.791252]  ? task_prio+0x50/0x50
[  461.794784]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  461.800328]  ? check_preemption_disabled+0x48/0x280
[  461.805351]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  461.810228]  apic_timer_interrupt+0xf/0x20
[  461.814456]  </IRQ>
[  461.816702] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  461.821921] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec
[  461.840842] RSP: 0018:ffff8801c2d36100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  461.848537] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100385b2de6
[  461.855831] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c2d96ebc
[  461.863091] RBP: ffff8801c2d36128 R08: ffff8801c2d96f30 R09: 0000000000000006
[  461.870369] R10: 0000000000000000 R11: ffff8801c2d96640 R12: dffffc0000000000
[  461.877626] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  461.884909]  retint_kernel+0x1b/0x2d
[  461.888629] RIP: 0010:dump_stack+0x358/0x39d
[  461.893036] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  461.911923] RSP: 0018:ffff8801c2d361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  461.919633] RAX: ffff8801c2d96640 RBX: 1ffffffff12a3f76 RCX: 1ffff100385b2de6
[  461.926909] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  461.934172] RBP: ffff8801c2d36290 R08: ffff8801c2d96f30 R09: 0000000000000006
[  461.941462] R10: 0000000000000000 R11: ffff8801c2d96640 R12: 1ffff100385a6c45
[  461.948717] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  461.955990]  ? dump_stack+0x34f/0x39d
[  461.959793]  ? dump_stack_print_info.cold.1+0x20/0x20
[  461.964976]  ? mark_held_locks+0x130/0x130
[  461.969202]  ? mark_held_locks+0x130/0x130
[  461.973427]  dump_header+0x27b/0xf72
[  461.977156]  ? pagefault_out_of_memory+0x197/0x197
[  461.982127]  ? __lock_acquire+0x62f/0x4c20
[  461.986360]  ? percpu_ref_get_many+0x240/0x240
[  461.990948]  ? print_usage_bug+0xc0/0xc0
[  461.995016]  ? zap_class+0x640/0x640
[  461.998770]  ? print_usage_bug+0xc0/0xc0
[  462.002862]  ? print_usage_bug+0xc0/0xc0
[  462.006946]  ? zap_class+0x640/0x640
[  462.010657]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  462.016188]  ? find_held_lock+0x36/0x1c0
[  462.020264]  ? mark_held_locks+0xc7/0x130
[  462.024408]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  462.029511]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  462.034633]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  462.039210]  ? trace_hardirqs_on+0xbd/0x310
[  462.043523]  ? kasan_check_read+0x11/0x20
[  462.047668]  ? ___ratelimit+0x3b4/0x672
[  462.051641]  ? trace_hardirqs_off_caller+0x310/0x310
[  462.056740]  ? trace_hardirqs_on+0x310/0x310
[  462.061158]  ? lock_downgrade+0x900/0x900
[  462.065299]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  462.070398]  ? ___ratelimit+0x3b9/0x672
[  462.074378]  ? idr_get_free+0xf70/0xf70
[  462.078345]  ? find_held_lock+0x36/0x1c0
[  462.082409]  oom_kill_process.cold.27+0x10/0x903
[  462.087161]  ? zap_class+0x640/0x640
[  462.090872]  ? check_preemption_disabled+0x48/0x280
[  462.095911]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  462.100880]  ? kasan_check_read+0x11/0x20
[  462.105039]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  462.110320]  ? oom_evaluate_task+0x540/0x540
[  462.114727]  ? find_held_lock+0x36/0x1c0
[  462.118802]  ? out_of_memory+0x974/0x1430
[  462.122966]  ? lock_downgrade+0x900/0x900
[  462.127124]  ? check_preemption_disabled+0x48/0x280
[  462.132153]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  462.137076]  ? kasan_check_read+0x11/0x20
[  462.141213]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  462.146483]  ? rcu_softirq_qs+0x20/0x20
[  462.150466]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  462.155996]  ? oom_evaluate_task+0x302/0x540
[  462.160428]  out_of_memory+0xa84/0x1430
[  462.164409]  ? oom_killer_disable+0x3a0/0x3a0
[  462.168919]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  462.173882]  ? __ww_mutex_check_waiters+0x160/0x160
[  462.178918]  __alloc_pages_slowpath+0x2354/0x2e10
[  462.183789]  ? warn_alloc+0x120/0x120
[  462.187577]  ? mark_held_locks+0x130/0x130
[  462.191856]  ? find_get_entry+0xaae/0x1120
[  462.196119]  ? filemap_map_pages+0x1a20/0x1a20
[  462.200695]  ? zap_class+0x640/0x640
[  462.204407]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  462.209954]  ? check_preemption_disabled+0x48/0x280
[  462.214964]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  462.220506]  ? should_fail+0x22d/0xd01
[  462.224387]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  462.229484]  ? zap_class+0x640/0x640
[  462.233229]  ? __lock_is_held+0xb5/0x140
[  462.237303]  ? mark_held_locks+0x130/0x130
[  462.241563]  ? lock_release+0xa00/0xa00
[  462.245529]  ? perf_trace_sched_process_exec+0x860/0x860
[  462.250976]  ? xa_load+0x2ba/0x460
[  462.254507]  ? lock_downgrade+0x900/0x900
[  462.258670]  ? __might_sleep+0x95/0x190
[  462.262643]  __alloc_pages_nodemask+0xa80/0xde0
[  462.267342]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  462.272354]  ? __page_cache_alloc+0x191/0x5c0
[  462.276844]  ? xa_load+0x2e1/0x460
[  462.280390]  ? xa_clear_mark+0x40/0x40
[  462.284301]  ? zap_class+0x640/0x640
[  462.288024]  ? zap_class+0x640/0x640
[  462.291741]  ? zap_class+0x640/0x640
[  462.295463]  ? __do_page_cache_readahead+0x663/0x810
[  462.300596]  ? find_held_lock+0x36/0x1c0
[  462.304654]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  462.310202]  alloc_pages_current+0x173/0x350
[  462.314607]  __page_cache_alloc+0x38c/0x5c0
[  462.318931]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  462.323853]  ? kasan_check_read+0x11/0x20
[  462.328008]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  462.333287]  ? generic_perform_write+0x6a0/0x6a0
[  462.338047]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  462.343583]  ? check_preemption_disabled+0x48/0x280
[  462.348616]  filemap_fault+0x1595/0x25f0
[  462.352691]  ? __lock_page_or_retry+0xa00/0xa00
[  462.357375]  ? mark_held_locks+0x130/0x130
[  462.361627]  ? filemap_map_pages+0xd6b/0x1a20
[  462.366130]  ? lock_downgrade+0x900/0x900
[  462.370271]  ? check_preemption_disabled+0x48/0x280
[  462.375292]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  462.380229]  ? kasan_check_read+0x11/0x20
[  462.384381]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  462.389650]  ? rcu_softirq_qs+0x20/0x20
[  462.393631]  ? filemap_map_pages+0xd92/0x1a20
[  462.398136]  ? find_get_entries_tag+0x1400/0x1400
[  462.402968]  ? find_held_lock+0x36/0x1c0
[  462.407033]  ? lock_acquire+0x1ed/0x520
[  462.410995]  ? ext4_filemap_fault+0x7a/0xad
[  462.415333]  ? lock_release+0xa00/0xa00
[  462.419316]  ? perf_trace_sched_process_exec+0x860/0x860
[  462.424756]  ? print_usage_bug+0xc0/0xc0
[  462.428832]  ? down_read+0x8d/0x120
[  462.432473]  ? ext4_filemap_fault+0x7a/0xad
[  462.436783]  ? __down_interruptible+0x700/0x700
[  462.441457]  ? find_held_lock+0x36/0x1c0
[  462.445525]  ext4_filemap_fault+0x82/0xad
[  462.449696]  __do_fault+0x100/0x6b0
[  462.453322]  ? lock_downgrade+0x900/0x900
[  462.457465]  ? pmd_devmap_trans_unstable+0x220/0x220
[  462.462584]  ? kasan_check_read+0x11/0x20
[  462.466730]  ? do_raw_spin_unlock+0xa7/0x330
[  462.471133]  ? do_raw_spin_trylock+0x270/0x270
[  462.475720]  __handle_mm_fault+0x3ea0/0x5be0
[  462.480133]  ? perf_trace_lock+0x7a0/0x7a0
[  462.484406]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  462.489317]  ? zap_class+0x640/0x640
[  462.493028]  ? zap_class+0x640/0x640
[  462.496758]  ? __x64_sys_futex+0x53e/0x6a0
[  462.500985]  ? find_held_lock+0x36/0x1c0
[  462.505078]  ? handle_mm_fault+0x42a/0xc70
[  462.509328]  ? lock_downgrade+0x900/0x900
[  462.513467]  ? check_preemption_disabled+0x48/0x280
[  462.518476]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  462.523392]  ? kasan_check_read+0x11/0x20
[  462.527528]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  462.532797]  ? rcu_softirq_qs+0x20/0x20
[  462.536776]  ? trace_hardirqs_off_caller+0x310/0x310
[  462.541869]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  462.547430]  ? check_preemption_disabled+0x48/0x280
[  462.552443]  handle_mm_fault+0x54f/0xc70
[  462.556535]  ? __handle_mm_fault+0x5be0/0x5be0
[  462.561144]  ? find_vma+0x34/0x190
[  462.564678]  __do_page_fault+0x5e8/0xe60
[  462.568744]  ? trace_hardirqs_off+0xb8/0x310
[  462.573160]  ? kernel_write+0x120/0x120
[  462.577168]  do_page_fault+0xf2/0x7e0
[  462.580971]  ? vmalloc_sync_all+0x30/0x30
[  462.585107]  ? error_entry+0x70/0xd0
[  462.588842]  ? trace_hardirqs_off_caller+0xbb/0x310
[  462.593890]  ? trace_hardirqs_on_caller+0xc0/0x310
[  462.598819]  ? syscall_return_slowpath+0x5e0/0x5e0
[  462.603739]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  462.608576]  ? trace_hardirqs_on_caller+0x310/0x310
[  462.613580]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  462.619022]  ? prepare_exit_to_usermode+0x291/0x3b0
[  462.624158]  ? page_fault+0x8/0x30
[  462.627704]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  462.632535]  ? page_fault+0x8/0x30
[  462.636102]  page_fault+0x1e/0x30
[  462.639586] RIP: 0033:0x404068
[  462.642776] Code: Bad RIP value.
[  462.646126] RSP: 002b:000000c420024e48 EFLAGS: 00010206
[  462.651473] RAX: 000000c422dd4cc0 RBX: 000000c42875f801 RCX: 000000c424d31838
[  462.658761] RDX: 000000c422dd4cc0 RSI: 0000000000000001 RDI: 0000000000000001
[  462.666023] RBP: 000000c420024ed8 R08: 00007ffd3a9b40b0 R09: 00007ffd3a9b4080
[  462.673295] R10: 000000000000eacc R11: 0000000000000165 R12: 0000000000000001
[  462.680574] R13: 000000c4271c3620 R14: 0000000000000001 R15: 0000000000000000
[  462.687875] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #83
[  462.687922] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  462.694644] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  462.694649] Call Trace:
[  462.694664]  dump_stack+0x244/0x39d
[  462.694685]  ? dump_stack_print_info.cold.1+0x20/0x20
[  462.701194] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  462.710507]  warn_alloc.cold.116+0xb7/0x1bd
[  462.713060] syz-fuzzer cpuset=/ mems_allowed=0
[  462.716670]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  462.745814]  ? lock_downgrade+0x900/0x900
[  462.749959]  ? trace_hardirqs_off+0xb8/0x310
[  462.754380]  ? trace_hardirqs_off+0xb8/0x310
[  462.758805]  __alloc_pages_slowpath+0x26e8/0x2e10
[  462.763691]  ? warn_alloc+0x120/0x120
[  462.767541]  ? warn_alloc+0x120/0x120
[  462.771347]  ? warn_alloc+0x120/0x120
[  462.775154]  ? warn_alloc+0x120/0x120
[  462.778959]  ? mark_held_locks+0x130/0x130
[  462.783184]  ? print_usage_bug+0xc0/0xc0
[  462.787240]  ? mark_held_locks+0x130/0x130
[  462.791486]  ? print_usage_bug+0xc0/0xc0
[  462.795572]  ? zap_class+0x640/0x640
[  462.799293]  ? put_dec+0x3b/0xf0
[  462.802659]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  462.808189]  ? should_fail+0x22d/0xd01
[  462.812111]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  462.817210]  ? __lock_acquire+0x62f/0x4c20
[  462.821460]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  462.826578]  ? __lock_acquire+0x62f/0x4c20
[  462.830822]  ? should_fail+0x22d/0xd01
[  462.834715]  ? mark_held_locks+0x130/0x130
[  462.838963]  ? mark_held_locks+0x130/0x130
[  462.843203]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  462.847990]  ? lockdep_hardirqs_on+0x296/0x5b0
[  462.852571]  ? zap_class+0x640/0x640
[  462.856274]  ? print_usage_bug+0xc0/0xc0
[  462.860348]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  462.865102]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  462.870636]  ? check_preemption_disabled+0x48/0x280
[  462.875652]  ? __lock_is_held+0xb5/0x140
[  462.879738]  __alloc_pages_nodemask+0xa80/0xde0
[  462.884408]  ? zap_class+0x640/0x640
[  462.888149]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  462.893171]  ? find_held_lock+0x36/0x1c0
[  462.897286]  ? ____cache_alloc_node+0x1c7/0x1e0
[  462.901988]  ? lock_downgrade+0x900/0x900
[  462.906137]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  462.911686]  cache_grow_begin+0xa5/0x8c0
[  462.915739]  ? do_raw_spin_unlock+0xa7/0x330
[  462.920143]  fallback_alloc+0x204/0x2e0
[  462.924130]  ____cache_alloc_node+0x1c7/0x1e0
[  462.928622]  kmem_cache_alloc_node+0xe3/0x730
[  462.933112]  ? ipv6_get_ifaddr+0x42e/0x620
[  462.937396]  __alloc_skb+0x119/0x770
[  462.941099]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  462.946372]  ? netdev_alloc_frag+0x1f0/0x1f0
[  462.950772]  ? lock_downgrade+0x900/0x900
[  462.954918]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  462.960532]  ? refcount_sub_and_test_checked+0x203/0x310
[  462.966034]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  462.971474]  ? addrconf_rs_timer+0x690/0x690
[  462.975899]  ndisc_alloc_skb+0x144/0x340
[  462.979969]  ndisc_send_rs+0x331/0x6e0
[  462.983852]  addrconf_rs_timer+0x314/0x690
[  462.988081]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  462.992311]  call_timer_fn+0x272/0x920
[  462.996188]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  463.000413]  ? process_timeout+0x40/0x40
[  463.004486]  ? __run_timers+0x7da/0xc70
[  463.008492]  ? _raw_spin_unlock_irq+0x27/0x80
[  463.012978]  ? _raw_spin_unlock_irq+0x27/0x80
[  463.017478]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  463.021705]  ? lockdep_hardirqs_on+0x296/0x5b0
[  463.026294]  ? trace_hardirqs_on+0xbd/0x310
[  463.030613]  ? kasan_check_read+0x11/0x20
[  463.034782]  ? __run_timers+0x7da/0xc70
[  463.038753]  ? trace_hardirqs_off_caller+0x310/0x310
[  463.043863]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  463.048702]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  463.052929]  __run_timers+0x7e5/0xc70
[  463.056730]  ? timer_fixup_init+0x70/0x70
[  463.060881]  ? _raw_spin_unlock_irq+0x27/0x80
[  463.065363]  ? _raw_spin_unlock_irq+0x27/0x80
[  463.069852]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  463.074423]  ? trace_hardirqs_on+0xbd/0x310
[  463.078732]  ? kasan_check_read+0x11/0x20
[  463.082910]  ? finish_task_switch+0x1f4/0x910
[  463.087410]  ? trace_hardirqs_off_caller+0x310/0x310
[  463.092532]  ? compat_start_thread+0x80/0x80
[  463.096953]  ? pvclock_read_flags+0x160/0x160
[  463.101433]  ? __switch_to_asm+0x34/0x70
[  463.105483]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  463.111026]  ? check_preemption_disabled+0x48/0x280
[  463.116041]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  463.121588]  ? rcu_pm_notify+0xc0/0xc0
[  463.125470]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  463.131015]  ? check_preemption_disabled+0x48/0x280
[  463.136043]  run_timer_softirq+0x52/0xb0
[  463.140111]  ? rcu_read_lock_sched_held+0x14f/0x180
[  463.145151]  __do_softirq+0x308/0xb7e
[  463.148992]  ? trace_hardirqs_on_caller+0xc0/0x310
[  463.153919]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  463.159012]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  463.164479]  ? schedule+0x108/0x460
[  463.168123]  ? trace_hardirqs_off+0xb8/0x310
[  463.172538]  ? smpboot_thread_fn+0x68b/0xa00
[  463.176957]  ? trace_hardirqs_on+0x310/0x310
[  463.181371]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  463.186909]  ? check_preemption_disabled+0x48/0x280
[  463.191921]  ? takeover_tasklets+0xa90/0xa90
[  463.196321]  run_ksoftirqd+0x5e/0x100
[  463.200111]  smpboot_thread_fn+0x68b/0xa00
[  463.204337]  ? sort_range+0x30/0x30
[  463.207969]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  463.213118]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  463.218692]  ? __kthread_parkme+0xfb/0x1a0
[  463.222944]  ? sort_range+0x30/0x30
[  463.226573]  kthread+0x35a/0x440
[  463.229988]  ? kthread_stop+0x900/0x900
[  463.233958]  ret_from_fork+0x3a/0x50
[  463.237696] CPU: 1 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  463.237700] warn_alloc_show_mem: 1 callbacks suppressed
[  463.237721] Mem-Info:
[  463.244640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  463.249995] active_anon:44321 inactive_anon:2061 isolated_anon:0
[  463.249995]  active_file:14 inactive_file:14 isolated_file:0
[  463.249995]  unevictable:0 dirty:0 writeback:0 unstable:0
[  463.249995]  slab_reclaimable:9437 slab_unreclaimable:1460937
[  463.249995]  mapped:49154 shmem:2105 pagetables:642 bounce:0
[  463.249995]  free:13638 free_pcp:328 free_cma:0
[  463.252363] Call Trace:
[  463.261747] Node 0 active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8420kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  463.294776]  <IRQ>
[  463.297341] 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
[  463.324931]  dump_stack+0x244/0x39d
[  463.327067] lowmem_reserve[]: 0 2818 6321 6321
[  463.353167]  ? dump_stack_print_info.cold.1+0x20/0x20
[  463.356766] Node 0 DMA32 free:24708kB 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
[  463.361359]  warn_alloc.cold.116+0xb7/0x1bd
[  463.366529] lowmem_reserve[]: 0 0 3503 3503
[  463.394052]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  463.398360] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2568kB bounce:0kB free_pcp:1064kB local_pcp:692kB free_cma:0kB
[  463.402677]  ? lock_downgrade+0x900/0x900
[  463.407567] lowmem_reserve[]: 0 0 0 0
[  463.436637]  ? trace_hardirqs_off+0xb8/0x310
[  463.440759] 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
[  463.444554]  ? trace_hardirqs_off+0xb8/0x310
[  463.448931] Node 0 DMA32: 5*4kB (UM) 2*8kB (MH) 2*16kB (MH) 4*32kB (MH) 3*64kB (M) 2*128kB (M) 4*256kB (UMH) 3*512kB (UM) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24708kB
[  463.462485]  __alloc_pages_slowpath+0x26e8/0x2e10
[  463.466870] Node 0 Normal: 930*4kB (MEH) 535*8kB (UMEH) 215*16kB (UME) 80*32kB (UMH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  463.482389]  ? warn_alloc+0x120/0x120
[  463.487192] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  463.500978]  ? print_usage_bug+0xc0/0xc0
[  463.504762] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  463.513576]  ? warn_alloc+0x120/0x120
[  463.517609] 2133 total pagecache pages
[  463.526198]  ? warn_alloc+0x120/0x120
[  463.529973] 0 pages in swap cache
[  463.533873]  ? print_usage_bug+0xc0/0xc0
[  463.537651] Swap cache stats: add 0, delete 0, find 0/0
[  463.541086]  ? print_usage_bug+0xc0/0xc0
[  463.545138] Free swap  = 0kB
[  463.550514]  ? __lock_acquire+0x62f/0x4c20
[  463.554550] Total swap = 0kB
[  463.557566]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  463.561772] 1965979 pages RAM
[  463.564777]  ? should_fail+0x22d/0xd01
[  463.570395] 0 pages HighMem/MovableOnly
[  463.573489]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  463.577364] 342853 pages reserved
[  463.581344]  ? __lock_acquire+0x62f/0x4c20
[  463.586414] 0 pages cma reserved
[  463.589856]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  463.594135] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  463.597423]  ? __lock_acquire+0x62f/0x4c20
[  463.597436]  ? should_fail+0x22d/0xd01
[  463.602630] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  463.609051]  ? find_held_lock+0x36/0x1c0
[  463.613286] ksoftirqd/0 cpuset=/ mems_allowed=0
[  463.617169]  ? mark_held_locks+0x130/0x130
[  463.640388]  ? mark_held_locks+0x130/0x130
[  463.644800]  ? zap_class+0x640/0x640
[  463.648508]  ? zap_class+0x640/0x640
[  463.652239]  ? print_usage_bug+0xc0/0xc0
[  463.656300]  ? do_raw_spin_unlock+0xa7/0x330
[  463.660706]  ? zap_class+0x640/0x640
[  463.664426]  ? print_usage_bug+0xc0/0xc0
[  463.668490]  ? wq_watchdog_touch+0x9c/0xfe
[  463.672730]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  463.678257]  ? check_preemption_disabled+0x48/0x280
[  463.683287]  ? __lock_is_held+0xb5/0x140
[  463.687369]  __alloc_pages_nodemask+0xa80/0xde0
[  463.692026]  ? zap_class+0x640/0x640
[  463.695784]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  463.700831]  ? find_held_lock+0x36/0x1c0
[  463.704911]  ? ____cache_alloc_node+0x1c7/0x1e0
[  463.709577]  ? lock_downgrade+0x900/0x900
[  463.713720]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  463.719252]  cache_grow_begin+0xa5/0x8c0
[  463.723324]  ? do_raw_spin_unlock+0xa7/0x330
[  463.727762]  fallback_alloc+0x204/0x2e0
[  463.731733]  ____cache_alloc_node+0x1c7/0x1e0
[  463.736222]  kmem_cache_alloc_node+0xe3/0x730
[  463.740706]  ? ipv6_get_ifaddr+0x42e/0x620
[  463.744955]  __alloc_skb+0x119/0x770
[  463.748696]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  463.754005]  ? netdev_alloc_frag+0x1f0/0x1f0
[  463.758412]  ? lock_downgrade+0x900/0x900
[  463.762568]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  463.768129]  ? refcount_sub_and_test_checked+0x203/0x310
[  463.773582]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  463.779028]  ? addrconf_rs_timer+0x690/0x690
[  463.783455]  ndisc_alloc_skb+0x144/0x340
[  463.787515]  ndisc_send_rs+0x331/0x6e0
[  463.791409]  addrconf_rs_timer+0x314/0x690
[  463.795643]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  463.800062]  call_timer_fn+0x272/0x920
[  463.803974]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  463.808223]  ? process_timeout+0x40/0x40
[  463.812284]  ? mark_held_locks+0xc7/0x130
[  463.816427]  ? _raw_spin_unlock_irq+0x27/0x80
[  463.820946]  ? _raw_spin_unlock_irq+0x27/0x80
[  463.825462]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  463.829724]  ? lockdep_hardirqs_on+0x296/0x5b0
[  463.834314]  ? trace_hardirqs_on+0xbd/0x310
[  463.838633]  ? kasan_check_read+0x11/0x20
[  463.842778]  ? __run_timers+0x7da/0xc70
[  463.846761]  ? trace_hardirqs_off_caller+0x310/0x310
[  463.851866]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  463.856103]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  463.860331]  __run_timers+0x7e5/0xc70
[  463.864137]  ? timer_fixup_init+0x70/0x70
[  463.868279]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  463.873312]  ? zap_class+0x640/0x640
[  463.877023]  ? print_usage_bug+0xc0/0xc0
[  463.881093]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  463.886282]  ? find_held_lock+0x36/0x1c0
[  463.890367]  ? zap_class+0x640/0x640
[  463.894076]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  463.899607]  ? check_preemption_disabled+0x48/0x280
[  463.904638]  ? __lock_is_held+0xb5/0x140
[  463.908713]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  463.914255]  ? check_preemption_disabled+0x48/0x280
[  463.919318]  run_timer_softirq+0x52/0xb0
[  463.923390]  ? rcu_read_lock_sched_held+0x14f/0x180
[  463.928398]  __do_softirq+0x308/0xb7e
[  463.932207]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  463.936691]  ? lock_downgrade+0x900/0x900
[  463.940831]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  463.945931]  ? pvclock_read_flags+0x160/0x160
[  463.950420]  ? lapic_next_event+0x5a/0x90
[  463.954596]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  463.960181]  ? kvm_clock_read+0x18/0x30
[  463.964165]  ? kvm_sched_clock_read+0x9/0x20
[  463.968576]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  463.974162]  ? check_preemption_disabled+0x48/0x280
[  463.979233]  irq_exit+0x17f/0x1c0
[  463.982688]  smp_apic_timer_interrupt+0x1cb/0x760
[  463.987527]  ? smp_reschedule_interrupt+0x109/0x650
[  463.992567]  ? smp_call_function_single_interrupt+0x650/0x650
[  463.998450]  ? interrupt_entry+0xb5/0xc0
[  464.002514]  ? trace_hardirqs_off_caller+0xbb/0x310
[  464.007536]  ? trace_hardirqs_off_caller+0xbb/0x310
[  464.012571]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  464.017418]  ? trace_hardirqs_on_caller+0x310/0x310
[  464.022433]  ? trace_hardirqs_on_caller+0x310/0x310
[  464.027453]  ? task_prio+0x50/0x50
[  464.030995]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  464.036535]  ? check_preemption_disabled+0x48/0x280
[  464.041576]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  464.046431]  apic_timer_interrupt+0xf/0x20
[  464.050661]  </IRQ>
[  464.052916] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  464.058111] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec
[  464.077011] RSP: 0018:ffff8801c2d36100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  464.084717] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100385b2de6
[  464.091986] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c2d96ebc
[  464.099253] RBP: ffff8801c2d36128 R08: ffff8801c2d96f30 R09: 0000000000000006
[  464.106522] R10: 0000000000000000 R11: ffff8801c2d96640 R12: dffffc0000000000
[  464.113799] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  464.121097]  retint_kernel+0x1b/0x2d
[  464.124814] RIP: 0010:dump_stack+0x358/0x39d
[  464.129222] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  464.148135] RSP: 0018:ffff8801c2d361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  464.155843] RAX: ffff8801c2d96640 RBX: 1ffffffff12a3f76 RCX: 1ffff100385b2de6
[  464.163129] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  464.170408] RBP: ffff8801c2d36290 R08: ffff8801c2d96f30 R09: 0000000000000006
[  464.177676] R10: 0000000000000000 R11: ffff8801c2d96640 R12: 1ffff100385a6c45
[  464.184958] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  464.192261]  ? dump_stack+0x34f/0x39d
[  464.196077]  ? dump_stack_print_info.cold.1+0x20/0x20
[  464.201286]  ? mark_held_locks+0x130/0x130
[  464.205527]  ? mark_held_locks+0x130/0x130
[  464.209775]  dump_header+0x27b/0xf72
[  464.213505]  ? pagefault_out_of_memory+0x197/0x197
[  464.218444]  ? __lock_acquire+0x62f/0x4c20
[  464.222685]  ? percpu_ref_get_many+0x240/0x240
[  464.227274]  ? print_usage_bug+0xc0/0xc0
[  464.231350]  ? zap_class+0x640/0x640
[  464.235070]  ? print_usage_bug+0xc0/0xc0
[  464.239131]  ? print_usage_bug+0xc0/0xc0
[  464.243194]  ? zap_class+0x640/0x640
[  464.246917]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  464.252481]  ? find_held_lock+0x36/0x1c0
[  464.256577]  ? mark_held_locks+0xc7/0x130
[  464.260749]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  464.265851]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  464.270958]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  464.275555]  ? trace_hardirqs_on+0xbd/0x310
[  464.279879]  ? kasan_check_read+0x11/0x20
[  464.284027]  ? ___ratelimit+0x3b4/0x672
[  464.288006]  ? trace_hardirqs_off_caller+0x310/0x310
[  464.293117]  ? trace_hardirqs_on+0x310/0x310
[  464.297531]  ? lock_downgrade+0x900/0x900
[  464.301698]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  464.306802]  ? ___ratelimit+0x3b9/0x672
[  464.310806]  ? idr_get_free+0xf70/0xf70
[  464.314779]  ? find_held_lock+0x36/0x1c0
[  464.318848]  oom_kill_process.cold.27+0x10/0x903
[  464.323625]  ? zap_class+0x640/0x640
[  464.327342]  ? check_preemption_disabled+0x48/0x280
[  464.332361]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  464.337288]  ? kasan_check_read+0x11/0x20
[  464.341450]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  464.346733]  ? oom_evaluate_task+0x540/0x540
[  464.351146]  ? find_held_lock+0x36/0x1c0
[  464.355214]  ? out_of_memory+0x974/0x1430
[  464.359363]  ? lock_downgrade+0x900/0x900
[  464.363510]  ? check_preemption_disabled+0x48/0x280
[  464.368526]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  464.373464]  ? kasan_check_read+0x11/0x20
[  464.377624]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  464.382912]  ? rcu_softirq_qs+0x20/0x20
[  464.386907]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  464.392476]  ? oom_evaluate_task+0x302/0x540
[  464.396886]  out_of_memory+0xa84/0x1430
[  464.400872]  ? oom_killer_disable+0x3a0/0x3a0
[  464.405382]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  464.410328]  ? __ww_mutex_check_waiters+0x160/0x160
[  464.415358]  __alloc_pages_slowpath+0x2354/0x2e10
[  464.420240]  ? warn_alloc+0x120/0x120
[  464.424037]  ? mark_held_locks+0x130/0x130
[  464.428275]  ? find_get_entry+0xaae/0x1120
[  464.432521]  ? filemap_map_pages+0x1a20/0x1a20
[  464.437133]  ? zap_class+0x640/0x640
[  464.440853]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  464.446389]  ? check_preemption_disabled+0x48/0x280
[  464.451404]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  464.456949]  ? should_fail+0x22d/0xd01
[  464.460838]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  464.465938]  ? zap_class+0x640/0x640
[  464.469669]  ? __lock_is_held+0xb5/0x140
[  464.473732]  ? mark_held_locks+0x130/0x130
[  464.478010]  ? lock_release+0xa00/0xa00
[  464.482000]  ? perf_trace_sched_process_exec+0x860/0x860
[  464.487441]  ? xa_load+0x2ba/0x460
[  464.490995]  ? lock_downgrade+0x900/0x900
[  464.495164]  ? __might_sleep+0x95/0x190
[  464.499158]  __alloc_pages_nodemask+0xa80/0xde0
[  464.503834]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  464.508862]  ? __page_cache_alloc+0x191/0x5c0
[  464.513363]  ? xa_load+0x2e1/0x460
[  464.516910]  ? xa_clear_mark+0x40/0x40
[  464.520804]  ? zap_class+0x640/0x640
[  464.524565]  ? zap_class+0x640/0x640
[  464.528279]  ? zap_class+0x640/0x640
[  464.531997]  ? __do_page_cache_readahead+0x663/0x810
[  464.537110]  ? find_held_lock+0x36/0x1c0
[  464.541176]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  464.546738]  alloc_pages_current+0x173/0x350
[  464.551171]  __page_cache_alloc+0x38c/0x5c0
[  464.555488]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  464.560413]  ? kasan_check_read+0x11/0x20
[  464.564565]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  464.569855]  ? generic_perform_write+0x6a0/0x6a0
[  464.574617]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  464.580154]  ? check_preemption_disabled+0x48/0x280
[  464.585180]  filemap_fault+0x1595/0x25f0
[  464.589259]  ? __lock_page_or_retry+0xa00/0xa00
[  464.593932]  ? mark_held_locks+0x130/0x130
[  464.598210]  ? filemap_map_pages+0xd6b/0x1a20
[  464.602710]  ? lock_downgrade+0x900/0x900
[  464.606857]  ? check_preemption_disabled+0x48/0x280
[  464.611878]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  464.616806]  ? kasan_check_read+0x11/0x20
[  464.621096]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  464.626373]  ? rcu_softirq_qs+0x20/0x20
[  464.630360]  ? filemap_map_pages+0xd92/0x1a20
[  464.634872]  ? find_get_entries_tag+0x1400/0x1400
[  464.639714]  ? find_held_lock+0x36/0x1c0
[  464.643791]  ? lock_acquire+0x1ed/0x520
[  464.647780]  ? ext4_filemap_fault+0x7a/0xad
[  464.652107]  ? lock_release+0xa00/0xa00
[  464.656110]  ? perf_trace_sched_process_exec+0x860/0x860
[  464.661566]  ? print_usage_bug+0xc0/0xc0
[  464.665645]  ? down_read+0x8d/0x120
[  464.669279]  ? ext4_filemap_fault+0x7a/0xad
[  464.673603]  ? __down_interruptible+0x700/0x700
[  464.678269]  ? find_held_lock+0x36/0x1c0
[  464.682337]  ext4_filemap_fault+0x82/0xad
[  464.686483]  __do_fault+0x100/0x6b0
[  464.690117]  ? lock_downgrade+0x900/0x900
[  464.694261]  ? pmd_devmap_trans_unstable+0x220/0x220
[  464.699406]  ? kasan_check_read+0x11/0x20
[  464.703542]  ? do_raw_spin_unlock+0xa7/0x330
[  464.707967]  ? do_raw_spin_trylock+0x270/0x270
[  464.712566]  __handle_mm_fault+0x3ea0/0x5be0
[  464.716969]  ? perf_trace_lock+0x7a0/0x7a0
[  464.721265]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  464.726120]  ? zap_class+0x640/0x640
[  464.729827]  ? zap_class+0x640/0x640
[  464.733568]  ? __x64_sys_futex+0x53e/0x6a0
[  464.737887]  ? find_held_lock+0x36/0x1c0
[  464.741962]  ? handle_mm_fault+0x42a/0xc70
[  464.746190]  ? lock_downgrade+0x900/0x900
[  464.750349]  ? check_preemption_disabled+0x48/0x280
[  464.755893]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  464.760830]  ? kasan_check_read+0x11/0x20
[  464.764976]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  464.770249]  ? rcu_softirq_qs+0x20/0x20
[  464.774246]  ? trace_hardirqs_off_caller+0x310/0x310
[  464.779361]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  464.784892]  ? check_preemption_disabled+0x48/0x280
[  464.789938]  handle_mm_fault+0x54f/0xc70
[  464.794011]  ? __handle_mm_fault+0x5be0/0x5be0
[  464.798612]  ? find_vma+0x34/0x190
[  464.802174]  __do_page_fault+0x5e8/0xe60
[  464.806278]  ? trace_hardirqs_off+0xb8/0x310
[  464.810674]  ? kernel_write+0x120/0x120
[  464.814665]  do_page_fault+0xf2/0x7e0
[  464.818460]  ? vmalloc_sync_all+0x30/0x30
[  464.822639]  ? error_entry+0x70/0xd0
[  464.826350]  ? trace_hardirqs_off_caller+0xbb/0x310
[  464.831361]  ? trace_hardirqs_on_caller+0xc0/0x310
[  464.836284]  ? syscall_return_slowpath+0x5e0/0x5e0
[  464.841215]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  464.846059]  ? trace_hardirqs_on_caller+0x310/0x310
[  464.851071]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  464.856520]  ? prepare_exit_to_usermode+0x291/0x3b0
[  464.861536]  ? page_fault+0x8/0x30
[  464.865087]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  464.869926]  ? page_fault+0x8/0x30
[  464.873495]  page_fault+0x1e/0x30
[  464.876938] RIP: 0033:0x404068
[  464.880129] Code: Bad RIP value.
[  464.883505] RSP: 002b:000000c420024e48 EFLAGS: 00010206
[  464.888889] RAX: 000000c422dd4cc0 RBX: 000000c42875f801 RCX: 000000c424d31838
[  464.896146] RDX: 000000c422dd4cc0 RSI: 0000000000000001 RDI: 0000000000000001
[  464.903416] RBP: 000000c420024ed8 R08: 00007ffd3a9b40b0 R09: 00007ffd3a9b4080
[  464.910690] R10: 000000000000eacc R11: 0000000000000165 R12: 0000000000000001
[  464.917964] R13: 000000c4271c3620 R14: 0000000000000001 R15: 0000000000000000
[  464.925245] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #83
[  464.925316] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  464.931991] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  464.931998] Call Trace:
[  464.938603] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  464.947833]  dump_stack+0x244/0x39d
[  464.950391] syz-fuzzer cpuset=/ mems_allowed=0
[  464.960615]  ? dump_stack_print_info.cold.1+0x20/0x20
[  464.973958]  warn_alloc.cold.116+0xb7/0x1bd
[  464.978270]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  464.983106]  ? lock_downgrade+0x900/0x900
[  464.987249]  ? trace_hardirqs_off+0xb8/0x310
[  464.991653]  ? trace_hardirqs_off+0xb8/0x310
[  464.996080]  __alloc_pages_slowpath+0x26e8/0x2e10
[  465.000934]  ? warn_alloc+0x120/0x120
[  465.004723]  ? print_usage_bug+0xc0/0xc0
[  465.008783]  ? warn_alloc+0x120/0x120
[  465.012598]  ? warn_alloc+0x120/0x120
[  465.016402]  ? print_usage_bug+0xc0/0xc0
[  465.020465]  ? print_usage_bug+0xc0/0xc0
[  465.024554]  ? __lock_acquire+0x62f/0x4c20
[  465.028804]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  465.034380]  ? should_fail+0x22d/0xd01
[  465.038350]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  465.043470]  ? __lock_acquire+0x62f/0x4c20
[  465.047744]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  465.052851]  ? __lock_acquire+0x62f/0x4c20
[  465.057088]  ? should_fail+0x22d/0xd01
[  465.060981]  ? find_held_lock+0x36/0x1c0
[  465.065065]  ? mark_held_locks+0x130/0x130
[  465.069329]  ? mark_held_locks+0x130/0x130
[  465.073563]  ? zap_class+0x640/0x640
[  465.077274]  ? zap_class+0x640/0x640
[  465.081035]  ? print_usage_bug+0xc0/0xc0
[  465.085095]  ? do_raw_spin_unlock+0xa7/0x330
[  465.089515]  ? zap_class+0x640/0x640
[  465.093249]  ? print_usage_bug+0xc0/0xc0
[  465.097305]  ? wq_watchdog_touch+0x9c/0xfe
[  465.101538]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  465.107080]  ? check_preemption_disabled+0x48/0x280
[  465.112095]  ? __lock_is_held+0xb5/0x140
[  465.116169]  __alloc_pages_nodemask+0xa80/0xde0
[  465.120849]  ? zap_class+0x640/0x640
[  465.124562]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  465.129591]  ? find_held_lock+0x36/0x1c0
[  465.133668]  ? ____cache_alloc_node+0x1c7/0x1e0
[  465.138357]  ? lock_downgrade+0x900/0x900
[  465.142498]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  465.148044]  cache_grow_begin+0xa5/0x8c0
[  465.152098]  ? do_raw_spin_unlock+0xa7/0x330
[  465.156505]  fallback_alloc+0x204/0x2e0
[  465.160473]  ____cache_alloc_node+0x1c7/0x1e0
[  465.164980]  kmem_cache_alloc_node+0xe3/0x730
[  465.169467]  ? ipv6_get_ifaddr+0x42e/0x620
[  465.173723]  __alloc_skb+0x119/0x770
[  465.177441]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  465.182762]  ? netdev_alloc_frag+0x1f0/0x1f0
[  465.187175]  ? lock_downgrade+0x900/0x900
[  465.191320]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  465.196850]  ? refcount_sub_and_test_checked+0x203/0x310
[  465.202305]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  465.207748]  ? addrconf_rs_timer+0x690/0x690
[  465.212162]  ndisc_alloc_skb+0x144/0x340
[  465.216227]  ndisc_send_rs+0x331/0x6e0
[  465.220121]  addrconf_rs_timer+0x314/0x690
[  465.224348]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  465.228587]  call_timer_fn+0x272/0x920
[  465.232498]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  465.236722]  ? process_timeout+0x40/0x40
[  465.240778]  ? __run_timers+0x7da/0xc70
[  465.244775]  ? _raw_spin_unlock_irq+0x27/0x80
[  465.249290]  ? _raw_spin_unlock_irq+0x27/0x80
[  465.253828]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  465.258100]  ? lockdep_hardirqs_on+0x296/0x5b0
[  465.262687]  ? trace_hardirqs_on+0xbd/0x310
[  465.267045]  ? kasan_check_read+0x11/0x20
[  465.271213]  ? __run_timers+0x7da/0xc70
[  465.275231]  ? trace_hardirqs_off_caller+0x310/0x310
[  465.280347]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  465.284616]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  465.288861]  __run_timers+0x7e5/0xc70
[  465.292680]  ? timer_fixup_init+0x70/0x70
[  465.296826]  ? _raw_spin_unlock_irq+0x27/0x80
[  465.301321]  ? _raw_spin_unlock_irq+0x27/0x80
[  465.305814]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  465.310386]  ? trace_hardirqs_on+0xbd/0x310
[  465.314696]  ? kasan_check_read+0x11/0x20
[  465.318840]  ? finish_task_switch+0x1f4/0x910
[  465.323326]  ? trace_hardirqs_off_caller+0x310/0x310
[  465.328421]  ? compat_start_thread+0x80/0x80
[  465.332864]  ? pvclock_read_flags+0x160/0x160
[  465.337346]  ? __switch_to_asm+0x34/0x70
[  465.341398]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  465.346927]  ? check_preemption_disabled+0x48/0x280
[  465.351983]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  465.357570]  ? rcu_pm_notify+0xc0/0xc0
[  465.361465]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  465.366991]  ? check_preemption_disabled+0x48/0x280
[  465.372049]  run_timer_softirq+0x52/0xb0
[  465.376106]  ? rcu_read_lock_sched_held+0x14f/0x180
[  465.381121]  __do_softirq+0x308/0xb7e
[  465.384954]  ? trace_hardirqs_on_caller+0xc0/0x310
[  465.389934]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  465.395045]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  465.400509]  ? schedule+0x108/0x460
[  465.404188]  ? trace_hardirqs_off+0xb8/0x310
[  465.408621]  ? smpboot_thread_fn+0x68b/0xa00
[  465.413035]  ? trace_hardirqs_on+0x310/0x310
[  465.417434]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  465.422960]  ? check_preemption_disabled+0x48/0x280
[  465.427990]  ? takeover_tasklets+0xa90/0xa90
[  465.432405]  run_ksoftirqd+0x5e/0x100
[  465.436229]  smpboot_thread_fn+0x68b/0xa00
[  465.440459]  ? sort_range+0x30/0x30
[  465.444101]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  465.449195]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  465.454725]  ? __kthread_parkme+0xfb/0x1a0
[  465.458955]  ? sort_range+0x30/0x30
[  465.462574]  kthread+0x35a/0x440
[  465.465930]  ? kthread_stop+0x900/0x900
[  465.469912]  ret_from_fork+0x3a/0x50
[  465.473628] CPU: 1 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  465.473632] warn_alloc_show_mem: 1 callbacks suppressed
[  465.473638] Mem-Info:
[  465.480552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  465.485913] active_anon:44321 inactive_anon:2061 isolated_anon:0
[  465.485913]  active_file:14 inactive_file:14 isolated_file:0
[  465.485913]  unevictable:0 dirty:0 writeback:0 unstable:0
[  465.485913]  slab_reclaimable:9437 slab_unreclaimable:1460937
[  465.485913]  mapped:49154 shmem:2105 pagetables:642 bounce:0
[  465.485913]  free:13638 free_pcp:328 free_cma:0
[  465.488282] Call Trace:
[  465.497665] Node 0 active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8420kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  465.530675]  <IRQ>
[  465.533233] 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
[  465.560822]  dump_stack+0x244/0x39d
[  465.562948] lowmem_reserve[]: 0 2818 6321 6321
[  465.589060]  ? dump_stack_print_info.cold.1+0x20/0x20
[  465.592656] Node 0 DMA32 free:24708kB 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
[  465.597229]  warn_alloc.cold.116+0xb7/0x1bd
[  465.602380] lowmem_reserve[]: 0 0 3503 3503
[  465.629897]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  465.634200] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2568kB bounce:0kB free_pcp:1064kB local_pcp:692kB free_cma:0kB
[  465.638506]  ? lock_downgrade+0x900/0x900
[  465.643332] lowmem_reserve[]: 0 0 0 0
[  465.672500]  ? trace_hardirqs_off+0xb8/0x310
[  465.676615] 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
[  465.680413]  ? trace_hardirqs_off+0xb8/0x310
[  465.684803] Node 0 DMA32: 5*4kB (UM) 2*8kB (MH) 2*16kB (MH) 4*32kB (MH) 3*64kB (M) 2*128kB (M) 4*256kB (UMH) 3*512kB (UM) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24708kB
[  465.698348]  __alloc_pages_slowpath+0x26e8/0x2e10
[  465.702721] Node 0 Normal: 930*4kB (MEH) 535*8kB (UMEH) 215*16kB (UME) 80*32kB (UMH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  465.718248]  ? warn_alloc+0x120/0x120
[  465.723067] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  465.736846]  ? warn_alloc+0x120/0x120
[  465.740623] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  465.749443]  ? warn_alloc+0x120/0x120
[  465.753311] 2133 total pagecache pages
[  465.753324] 0 pages in swap cache
[  465.761897]  ? print_usage_bug+0xc0/0xc0
[  465.765672] Swap cache stats: add 0, delete 0, find 0/0
[  465.769556]  ? print_usage_bug+0xc0/0xc0
[  465.772986] Free swap  = 0kB
[  465.777050]  ? find_held_lock+0x36/0x1c0
[  465.782380] Total swap = 0kB
[  465.786423]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  465.789409] 1965979 pages RAM
[  465.793452]  ? should_fail+0x22d/0xd01
[  465.796466] 0 pages HighMem/MovableOnly
[  465.801992]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  465.805084] 342853 pages reserved
[  465.808973]  ? __lock_acquire+0x62f/0x4c20
[  465.812918] 0 pages cma reserved
[  465.818021]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  465.821575] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  465.825713]  ? should_fail+0x22d/0xd01
[  465.825735]  ? mark_held_locks+0x130/0x130
[  465.825749]  ? mark_held_locks+0x130/0x130
[  465.829135] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  465.834178]  ? print_usage_bug+0xc0/0xc0
[  465.840642] ksoftirqd/0 cpuset=/ mems_allowed=0
[  465.844520]  ? find_held_lock+0x36/0x1c0
[  465.876052]  ? zap_class+0x640/0x640
[  465.879781]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  465.885316]  ? check_preemption_disabled+0x48/0x280
[  465.890336]  ? __lock_is_held+0xb5/0x140
[  465.894395]  __alloc_pages_nodemask+0xa80/0xde0
[  465.899054]  ? zap_class+0x640/0x640
[  465.902779]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  465.907827]  ? find_held_lock+0x36/0x1c0
[  465.911904]  ? ____cache_alloc_node+0x1c7/0x1e0
[  465.916583]  ? lock_downgrade+0x900/0x900
[  465.920745]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  465.926279]  cache_grow_begin+0xa5/0x8c0
[  465.930338]  ? do_raw_spin_unlock+0xa7/0x330
[  465.934763]  fallback_alloc+0x204/0x2e0
[  465.938757]  ____cache_alloc_node+0x1c7/0x1e0
[  465.943281]  kmem_cache_alloc_node+0xe3/0x730
[  465.947771]  ? mark_held_locks+0xc7/0x130
[  465.951924]  __alloc_skb+0x119/0x770
[  465.955648]  ? netdev_alloc_frag+0x1f0/0x1f0
[  465.960053]  ? do_raw_spin_trylock+0x270/0x270
[  465.964640]  ? kmem_cache_alloc_trace+0x353/0x750
[  465.969494]  ? queue_work_on+0x12c/0x1e0
[  465.973575]  ? switchdev_port_obj_del+0xdc/0x440
[  465.978338]  ? switchdev_trans_item_enqueue+0x260/0x260
[  465.983697]  ? mod_timer+0x631/0x1560
[  465.987491]  ? wake_up_klogd+0x180/0x180
[  465.991540]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  465.996579]  __br_mdb_notify+0x4ff/0x15d0
[  466.000760]  ? __br_mdb_add+0x7f0/0x7f0
[  466.004744]  ? zap_class+0x640/0x640
[  466.008505]  ? br_multicast_group_expired+0x96/0x610
[  466.013616]  br_mdb_notify+0x310/0x410
[  466.017503]  ? br_mdb_dump+0x27b0/0x27b0
[  466.021571]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  466.027162]  br_multicast_group_expired+0x1bc/0x610
[  466.032182]  ? br_mdb_free+0x80/0x80
[  466.035906]  call_timer_fn+0x272/0x920
[  466.039797]  ? br_mdb_free+0x80/0x80
[  466.043514]  ? process_timeout+0x40/0x40
[  466.047596]  ? mark_held_locks+0xc7/0x130
[  466.051743]  ? _raw_spin_unlock_irq+0x27/0x80
[  466.056253]  ? _raw_spin_unlock_irq+0x27/0x80
[  466.060747]  ? br_mdb_free+0x80/0x80
[  466.064457]  ? lockdep_hardirqs_on+0x296/0x5b0
[  466.069043]  ? trace_hardirqs_on+0xbd/0x310
[  466.073363]  ? kasan_check_read+0x11/0x20
[  466.077505]  ? __run_timers+0x7da/0xc70
[  466.081482]  ? trace_hardirqs_off_caller+0x310/0x310
[  466.086596]  ? br_mdb_free+0x80/0x80
[  466.090306]  __run_timers+0x7e5/0xc70
[  466.094117]  ? timer_fixup_init+0x70/0x70
[  466.098281]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  466.103297]  ? zap_class+0x640/0x640
[  466.107032]  ? print_usage_bug+0xc0/0xc0
[  466.111096]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  466.116293]  ? find_held_lock+0x36/0x1c0
[  466.120375]  ? zap_class+0x640/0x640
[  466.124116]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  466.129687]  ? check_preemption_disabled+0x48/0x280
[  466.134746]  ? __lock_is_held+0xb5/0x140
[  466.138807]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  466.144344]  ? check_preemption_disabled+0x48/0x280
[  466.149361]  run_timer_softirq+0x52/0xb0
[  466.153419]  ? rcu_read_lock_sched_held+0x14f/0x180
[  466.158447]  __do_softirq+0x308/0xb7e
[  466.162244]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  466.166735]  ? lock_downgrade+0x900/0x900
[  466.170880]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  466.175989]  ? pvclock_read_flags+0x160/0x160
[  466.180482]  ? lapic_next_event+0x5a/0x90
[  466.184624]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  466.190191]  ? kvm_clock_read+0x18/0x30
[  466.194157]  ? kvm_sched_clock_read+0x9/0x20
[  466.198599]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  466.204172]  ? check_preemption_disabled+0x48/0x280
[  466.209217]  irq_exit+0x17f/0x1c0
[  466.212700]  smp_apic_timer_interrupt+0x1cb/0x760
[  466.217556]  ? smp_reschedule_interrupt+0x109/0x650
[  466.222606]  ? smp_call_function_single_interrupt+0x650/0x650
[  466.228486]  ? interrupt_entry+0xb5/0xc0
[  466.232541]  ? trace_hardirqs_off_caller+0xbb/0x310
[  466.237592]  ? trace_hardirqs_off_caller+0xbb/0x310
[  466.242608]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  466.247464]  ? trace_hardirqs_on_caller+0x310/0x310
[  466.252476]  ? trace_hardirqs_on_caller+0x310/0x310
[  466.257491]  ? task_prio+0x50/0x50
[  466.261027]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  466.266562]  ? check_preemption_disabled+0x48/0x280
[  466.271598]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  466.276447]  apic_timer_interrupt+0xf/0x20
[  466.280669]  </IRQ>
[  466.282904] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  466.288103] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec
[  466.307015] RSP: 0018:ffff8801c2d36100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  466.314733] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100385b2de6
[  466.322015] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c2d96ebc
[  466.329302] RBP: ffff8801c2d36128 R08: ffff8801c2d96f30 R09: 0000000000000006
[  466.336686] R10: 0000000000000000 R11: ffff8801c2d96640 R12: dffffc0000000000
[  466.343977] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  466.351270]  retint_kernel+0x1b/0x2d
[  466.355008] RIP: 0010:dump_stack+0x358/0x39d
[  466.359415] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  466.378321] RSP: 0018:ffff8801c2d361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  466.386026] RAX: ffff8801c2d96640 RBX: 1ffffffff12a3f76 RCX: 1ffff100385b2de6
[  466.393296] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  466.400578] RBP: ffff8801c2d36290 R08: ffff8801c2d96f30 R09: 0000000000000006
[  466.407843] R10: 0000000000000000 R11: ffff8801c2d96640 R12: 1ffff100385a6c45
[  466.415115] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  466.422403]  ? dump_stack+0x34f/0x39d
[  466.426219]  ? dump_stack_print_info.cold.1+0x20/0x20
[  466.431414]  ? mark_held_locks+0x130/0x130
[  466.435655]  ? mark_held_locks+0x130/0x130
[  466.439895]  dump_header+0x27b/0xf72
[  466.443625]  ? pagefault_out_of_memory+0x197/0x197
[  466.448569]  ? __lock_acquire+0x62f/0x4c20
[  466.452805]  ? percpu_ref_get_many+0x240/0x240
[  466.457390]  ? print_usage_bug+0xc0/0xc0
[  466.461461]  ? zap_class+0x640/0x640
[  466.465179]  ? print_usage_bug+0xc0/0xc0
[  466.469238]  ? print_usage_bug+0xc0/0xc0
[  466.473299]  ? zap_class+0x640/0x640
[  466.477020]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  466.482567]  ? find_held_lock+0x36/0x1c0
[  466.486636]  ? mark_held_locks+0xc7/0x130
[  466.490796]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  466.495896]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  466.501001]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  466.505590]  ? trace_hardirqs_on+0xbd/0x310
[  466.509910]  ? kasan_check_read+0x11/0x20
[  466.514062]  ? ___ratelimit+0x3b4/0x672
[  466.518056]  ? trace_hardirqs_off_caller+0x310/0x310
[  466.523161]  ? trace_hardirqs_on+0x310/0x310
[  466.527586]  ? lock_downgrade+0x900/0x900
[  466.531738]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  466.536837]  ? ___ratelimit+0x3b9/0x672
[  466.540812]  ? idr_get_free+0xf70/0xf70
[  466.544782]  ? find_held_lock+0x36/0x1c0
[  466.548848]  oom_kill_process.cold.27+0x10/0x903
[  466.553600]  ? zap_class+0x640/0x640
[  466.557317]  ? check_preemption_disabled+0x48/0x280
[  466.562339]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  466.567268]  ? kasan_check_read+0x11/0x20
[  466.571413]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  466.576688]  ? oom_evaluate_task+0x540/0x540
[  466.581101]  ? find_held_lock+0x36/0x1c0
[  466.585188]  ? out_of_memory+0x974/0x1430
[  466.589395]  ? lock_downgrade+0x900/0x900
[  466.593539]  ? check_preemption_disabled+0x48/0x280
[  466.598571]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  466.603499]  ? kasan_check_read+0x11/0x20
[  466.607644]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  466.612913]  ? rcu_softirq_qs+0x20/0x20
[  466.616881]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  466.622534]  ? oom_evaluate_task+0x302/0x540
[  466.626942]  out_of_memory+0xa84/0x1430
[  466.630930]  ? oom_killer_disable+0x3a0/0x3a0
[  466.635448]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  466.640369]  ? __ww_mutex_check_waiters+0x160/0x160
[  466.645409]  __alloc_pages_slowpath+0x2354/0x2e10
[  466.650270]  ? warn_alloc+0x120/0x120
[  466.654063]  ? mark_held_locks+0x130/0x130
[  466.658312]  ? find_get_entry+0xaae/0x1120
[  466.662552]  ? filemap_map_pages+0x1a20/0x1a20
[  466.667149]  ? zap_class+0x640/0x640
[  466.670909]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  466.676437]  ? check_preemption_disabled+0x48/0x280
[  466.681459]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  466.687022]  ? should_fail+0x22d/0xd01
[  466.690925]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  466.696019]  ? zap_class+0x640/0x640
[  466.699802]  ? __lock_is_held+0xb5/0x140
[  466.703878]  ? mark_held_locks+0x130/0x130
[  466.708107]  ? lock_release+0xa00/0xa00
[  466.712073]  ? perf_trace_sched_process_exec+0x860/0x860
[  466.717537]  ? xa_load+0x2ba/0x460
[  466.721090]  ? lock_downgrade+0x900/0x900
[  466.725253]  ? __might_sleep+0x95/0x190
[  466.729237]  __alloc_pages_nodemask+0xa80/0xde0
[  466.733946]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  466.738979]  ? __page_cache_alloc+0x191/0x5c0
[  466.743462]  ? xa_load+0x2e1/0x460
[  466.747005]  ? xa_clear_mark+0x40/0x40
[  466.751368]  ? zap_class+0x640/0x640
[  466.755086]  ? zap_class+0x640/0x640
[  466.758810]  ? zap_class+0x640/0x640
[  466.762519]  ? __do_page_cache_readahead+0x663/0x810
[  466.767621]  ? find_held_lock+0x36/0x1c0
[  466.771682]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  466.777236]  alloc_pages_current+0x173/0x350
[  466.781639]  __page_cache_alloc+0x38c/0x5c0
[  466.785949]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  466.790868]  ? kasan_check_read+0x11/0x20
[  466.795006]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  466.800276]  ? generic_perform_write+0x6a0/0x6a0
[  466.805029]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  466.810568]  ? check_preemption_disabled+0x48/0x280
[  466.815615]  filemap_fault+0x1595/0x25f0
[  466.819700]  ? __lock_page_or_retry+0xa00/0xa00
[  466.824384]  ? mark_held_locks+0x130/0x130
[  466.828630]  ? filemap_map_pages+0xd6b/0x1a20
[  466.833121]  ? lock_downgrade+0x900/0x900
[  466.837294]  ? check_preemption_disabled+0x48/0x280
[  466.842313]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  466.847242]  ? kasan_check_read+0x11/0x20
[  466.851410]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  466.856682]  ? rcu_softirq_qs+0x20/0x20
[  466.860662]  ? filemap_map_pages+0xd92/0x1a20
[  466.865161]  ? find_get_entries_tag+0x1400/0x1400
[  466.869993]  ? find_held_lock+0x36/0x1c0
[  466.874096]  ? lock_acquire+0x1ed/0x520
[  466.878062]  ? ext4_filemap_fault+0x7a/0xad
[  466.882381]  ? lock_release+0xa00/0xa00
[  466.886349]  ? perf_trace_sched_process_exec+0x860/0x860
[  466.891801]  ? print_usage_bug+0xc0/0xc0
[  466.895877]  ? down_read+0x8d/0x120
[  466.899494]  ? ext4_filemap_fault+0x7a/0xad
[  466.903811]  ? __down_interruptible+0x700/0x700
[  466.908479]  ? find_held_lock+0x36/0x1c0
[  466.912539]  ext4_filemap_fault+0x82/0xad
[  466.916690]  __do_fault+0x100/0x6b0
[  466.920317]  ? lock_downgrade+0x900/0x900
[  466.924459]  ? pmd_devmap_trans_unstable+0x220/0x220
[  466.929584]  ? kasan_check_read+0x11/0x20
[  466.933723]  ? do_raw_spin_unlock+0xa7/0x330
[  466.938128]  ? do_raw_spin_trylock+0x270/0x270
[  466.942722]  __handle_mm_fault+0x3ea0/0x5be0
[  466.947122]  ? perf_trace_lock+0x7a0/0x7a0
[  466.951375]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  466.956236]  ? zap_class+0x640/0x640
[  466.959963]  ? zap_class+0x640/0x640
[  466.963705]  ? __x64_sys_futex+0x53e/0x6a0
[  466.967941]  ? find_held_lock+0x36/0x1c0
[  466.972037]  ? handle_mm_fault+0x42a/0xc70
[  466.976286]  ? lock_downgrade+0x900/0x900
[  466.980433]  ? check_preemption_disabled+0x48/0x280
[  466.985442]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  466.990392]  ? kasan_check_read+0x11/0x20
[  466.994527]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  466.999811]  ? rcu_softirq_qs+0x20/0x20
[  467.003775]  ? trace_hardirqs_off_caller+0x310/0x310
[  467.008898]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  467.014426]  ? check_preemption_disabled+0x48/0x280
[  467.019440]  handle_mm_fault+0x54f/0xc70
[  467.023494]  ? __handle_mm_fault+0x5be0/0x5be0
[  467.028071]  ? find_vma+0x34/0x190
[  467.031626]  __do_page_fault+0x5e8/0xe60
[  467.035709]  ? trace_hardirqs_off+0xb8/0x310
[  467.040128]  ? kernel_write+0x120/0x120
[  467.044102]  do_page_fault+0xf2/0x7e0
[  467.047908]  ? vmalloc_sync_all+0x30/0x30
[  467.052047]  ? error_entry+0x70/0xd0
[  467.055767]  ? trace_hardirqs_off_caller+0xbb/0x310
[  467.060774]  ? trace_hardirqs_on_caller+0xc0/0x310
[  467.065692]  ? syscall_return_slowpath+0x5e0/0x5e0
[  467.070636]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  467.075472]  ? trace_hardirqs_on_caller+0x310/0x310
[  467.080475]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  467.085930]  ? prepare_exit_to_usermode+0x291/0x3b0
[  467.090936]  ? page_fault+0x8/0x30
[  467.094467]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  467.099303]  ? page_fault+0x8/0x30
[  467.102868]  page_fault+0x1e/0x30
[  467.106326] RIP: 0033:0x404068
[  467.109513] Code: Bad RIP value.
[  467.112863] RSP: 002b:000000c420024e48 EFLAGS: 00010206
[  467.118225] RAX: 000000c422dd4cc0 RBX: 000000c42875f801 RCX: 000000c424d31838
[  467.125481] RDX: 000000c422dd4cc0 RSI: 0000000000000001 RDI: 0000000000000001
[  467.132737] RBP: 000000c420024ed8 R08: 00007ffd3a9b40b0 R09: 00007ffd3a9b4080
[  467.139993] R10: 000000000000eacc R11: 0000000000000165 R12: 0000000000000001
[  467.147249] R13: 000000c4271c3620 R14: 0000000000000001 R15: 0000000000000000
[  467.154525] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #83
[  467.154672] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  467.161294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  467.171528] syz-fuzzer cpuset=/ mems_allowed=0
[  467.180867] Call Trace:
[  467.188019]  dump_stack+0x244/0x39d
[  467.191647]  ? dump_stack_print_info.cold.1+0x20/0x20
[  467.196846]  warn_alloc.cold.116+0xb7/0x1bd
[  467.201160]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  467.205994]  ? lock_downgrade+0x900/0x900
[  467.210153]  ? trace_hardirqs_off+0xb8/0x310
[  467.214564]  ? trace_hardirqs_off+0xb8/0x310
[  467.218983]  __alloc_pages_slowpath+0x26e8/0x2e10
[  467.223849]  ? warn_alloc+0x120/0x120
[  467.227644]  ? print_usage_bug+0xc0/0xc0
[  467.231698]  ? warn_alloc+0x120/0x120
[  467.235492]  ? warn_alloc+0x120/0x120
[  467.239335]  ? print_usage_bug+0xc0/0xc0
[  467.243422]  ? print_usage_bug+0xc0/0xc0
[  467.247491]  ? __lock_acquire+0x62f/0x4c20
[  467.251719]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  467.257252]  ? should_fail+0x22d/0xd01
[  467.261145]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  467.266236]  ? __lock_acquire+0x62f/0x4c20
[  467.270467]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  467.275577]  ? __lock_acquire+0x62f/0x4c20
[  467.279821]  ? should_fail+0x22d/0xd01
[  467.283696]  ? find_held_lock+0x36/0x1c0
[  467.287751]  ? mark_held_locks+0x130/0x130
[  467.291982]  ? mark_held_locks+0x130/0x130
[  467.296231]  ? zap_class+0x640/0x640
[  467.299940]  ? zap_class+0x640/0x640
[  467.303689]  ? print_usage_bug+0xc0/0xc0
[  467.307752]  ? do_raw_spin_unlock+0xa7/0x330
[  467.312148]  ? zap_class+0x640/0x640
[  467.315868]  ? print_usage_bug+0xc0/0xc0
[  467.319918]  ? wq_watchdog_touch+0x9c/0xfe
[  467.324169]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  467.329712]  ? check_preemption_disabled+0x48/0x280
[  467.334758]  ? __lock_is_held+0xb5/0x140
[  467.338820]  __alloc_pages_nodemask+0xa80/0xde0
[  467.343481]  ? zap_class+0x640/0x640
[  467.347191]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  467.352231]  ? find_held_lock+0x36/0x1c0
[  467.356308]  ? ____cache_alloc_node+0x1c7/0x1e0
[  467.360965]  ? lock_downgrade+0x900/0x900
[  467.365109]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  467.370644]  cache_grow_begin+0xa5/0x8c0
[  467.374741]  ? do_raw_spin_unlock+0xa7/0x330
[  467.379186]  fallback_alloc+0x204/0x2e0
[  467.383173]  ____cache_alloc_node+0x1c7/0x1e0
[  467.387680]  kmem_cache_alloc_node+0xe3/0x730
[  467.392167]  ? ipv6_get_ifaddr+0x42e/0x620
[  467.396401]  __alloc_skb+0x119/0x770
[  467.400135]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  467.405404]  ? netdev_alloc_frag+0x1f0/0x1f0
[  467.409815]  ? lock_downgrade+0x900/0x900
[  467.413959]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  467.419486]  ? refcount_sub_and_test_checked+0x203/0x310
[  467.424938]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  467.430395]  ? addrconf_rs_timer+0x690/0x690
[  467.434808]  ndisc_alloc_skb+0x144/0x340
[  467.438879]  ndisc_send_rs+0x331/0x6e0
[  467.442781]  addrconf_rs_timer+0x314/0x690
[  467.447051]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  467.451298]  call_timer_fn+0x272/0x920
[  467.455175]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  467.459400]  ? process_timeout+0x40/0x40
[  467.463473]  ? __run_timers+0x7da/0xc70
[  467.467468]  ? _raw_spin_unlock_irq+0x27/0x80
[  467.471955]  ? _raw_spin_unlock_irq+0x27/0x80
[  467.476439]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  467.480665]  ? lockdep_hardirqs_on+0x296/0x5b0
[  467.485250]  ? trace_hardirqs_on+0xbd/0x310
[  467.489572]  ? kasan_check_read+0x11/0x20
[  467.493726]  ? __run_timers+0x7da/0xc70
[  467.497708]  ? trace_hardirqs_off_caller+0x310/0x310
[  467.502854]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  467.507082]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  467.511345]  __run_timers+0x7e5/0xc70
[  467.515167]  ? timer_fixup_init+0x70/0x70
[  467.519330]  ? _raw_spin_unlock_irq+0x27/0x80
[  467.523845]  ? _raw_spin_unlock_irq+0x27/0x80
[  467.528334]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  467.532926]  ? trace_hardirqs_on+0xbd/0x310
[  467.537240]  ? kasan_check_read+0x11/0x20
[  467.541378]  ? finish_task_switch+0x1f4/0x910
[  467.545866]  ? trace_hardirqs_off_caller+0x310/0x310
[  467.550975]  ? compat_start_thread+0x80/0x80
[  467.555403]  ? pvclock_read_flags+0x160/0x160
[  467.559891]  ? __switch_to_asm+0x34/0x70
[  467.563944]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  467.569494]  ? check_preemption_disabled+0x48/0x280
[  467.574520]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  467.580058]  ? rcu_pm_notify+0xc0/0xc0
[  467.583957]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  467.589521]  ? check_preemption_disabled+0x48/0x280
[  467.594544]  run_timer_softirq+0x52/0xb0
[  467.598622]  ? rcu_read_lock_sched_held+0x14f/0x180
[  467.603646]  __do_softirq+0x308/0xb7e
[  467.607442]  ? trace_hardirqs_on_caller+0xc0/0x310
[  467.612364]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  467.617454]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  467.622898]  ? schedule+0x108/0x460
[  467.626523]  ? trace_hardirqs_off+0xb8/0x310
[  467.630925]  ? smpboot_thread_fn+0x68b/0xa00
[  467.635339]  ? trace_hardirqs_on+0x310/0x310
[  467.639742]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  467.645291]  ? check_preemption_disabled+0x48/0x280
[  467.650347]  ? takeover_tasklets+0xa90/0xa90
[  467.654762]  run_ksoftirqd+0x5e/0x100
[  467.658562]  smpboot_thread_fn+0x68b/0xa00
[  467.662806]  ? sort_range+0x30/0x30
[  467.666463]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  467.671564]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  467.677112]  ? __kthread_parkme+0xfb/0x1a0
[  467.681348]  ? sort_range+0x30/0x30
[  467.684968]  kthread+0x35a/0x440
[  467.688326]  ? kthread_stop+0x900/0x900
[  467.692303]  ret_from_fork+0x3a/0x50
[  467.696054] warn_alloc_show_mem: 1 callbacks suppressed
[  467.696064] CPU: 1 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  467.696065] Mem-Info:
[  467.696093] active_anon:44321 inactive_anon:2061 isolated_anon:0
[  467.696093]  active_file:14 inactive_file:14 isolated_file:0
[  467.696093]  unevictable:0 dirty:0 writeback:0 unstable:0
[  467.696093]  slab_reclaimable:9437 slab_unreclaimable:1460937
[  467.696093]  mapped:49154 shmem:2105 pagetables:642 bounce:0
[  467.696093]  free:13638 free_pcp:328 free_cma:0
[  467.701413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  467.701420] Call Trace:
[  467.708343] Node 0 active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8420kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  467.710736]  <IRQ>
[  467.743767] 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
[  467.753160]  dump_stack+0x244/0x39d
[  467.755718] lowmem_reserve[]: 0 2818 6321 6321
[  467.783294]  ? dump_stack_print_info.cold.1+0x20/0x20
[  467.785414] Node 0 DMA32 free:24708kB 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
[  467.811515]  warn_alloc.cold.116+0xb7/0x1bd
[  467.815121] lowmem_reserve[]: 0 0 3503 3503
[  467.819700]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  467.824889] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2568kB bounce:0kB free_pcp:1064kB local_pcp:692kB free_cma:0kB
[  467.852386]  ? lock_downgrade+0x900/0x900
[  467.856710] lowmem_reserve[]: 0 0 0 0
[  467.861037]  ? trace_hardirqs_off+0xb8/0x310
[  467.865863] 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
[  467.894909]  ? trace_hardirqs_off+0xb8/0x310
[  467.899040] Node 0 DMA32: 5*4kB (UM) 2*8kB (MH) 2*16kB (MH) 4*32kB (MH) 3*64kB (M) 2*128kB (M) 4*256kB (UMH) 3*512kB (UM) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24708kB
[  467.902847]  __alloc_pages_slowpath+0x26e8/0x2e10
[  467.907225] Node 0 Normal: 930*4kB (MEH) 535*8kB (UMEH) 215*16kB (UME) 80*32kB (UMH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  467.920753]  ? warn_alloc+0x120/0x120
[  467.925135] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  467.940635]  ? warn_alloc+0x120/0x120
[  467.945468] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  467.959248]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  467.963032] 2133 total pagecache pages
[  467.971852]  ? warn_alloc+0x120/0x120
[  467.975627] 0 pages in swap cache
[  467.984182]  ? print_usage_bug+0xc0/0xc0
[  467.989169] Swap cache stats: add 0, delete 0, find 0/0
[  467.993038]  ? print_usage_bug+0xc0/0xc0
[  467.996814] Free swap  = 0kB
[  468.000264]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  468.004298] Total swap = 0kB
[  468.009668]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  468.013696] 1965979 pages RAM
[  468.016704]  ? should_fail+0x22d/0xd01
[  468.021864] 0 pages HighMem/MovableOnly
[  468.024887]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  468.030391] 342853 pages reserved
[  468.033480]  ? __lock_acquire+0x62f/0x4c20
[  468.037339] 0 pages cma reserved
[  468.041348]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  468.046471] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  468.049867]  ? should_fail+0x22d/0xd01
[  468.054190] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  468.057482]  ? mark_held_locks+0x130/0x130
[  468.062562] ksoftirqd/0 cpuset=/ mems_allowed=0
[  468.069040]  ? mark_held_locks+0x130/0x130
[  468.096271]  ? print_usage_bug+0xc0/0xc0
[  468.100347]  ? find_held_lock+0x36/0x1c0
[  468.104419]  ? zap_class+0x640/0x640
[  468.108129]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  468.113660]  ? check_preemption_disabled+0x48/0x280
[  468.118691]  ? __lock_is_held+0xb5/0x140
[  468.122752]  __alloc_pages_nodemask+0xa80/0xde0
[  468.127430]  ? zap_class+0x640/0x640
[  468.131139]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  468.136167]  ? find_held_lock+0x36/0x1c0
[  468.140605]  ? ____cache_alloc_node+0x1c7/0x1e0
[  468.145273]  ? lock_downgrade+0x900/0x900
[  468.149456]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  468.155012]  cache_grow_begin+0xa5/0x8c0
[  468.159089]  ? do_raw_spin_unlock+0xa7/0x330
[  468.163518]  fallback_alloc+0x204/0x2e0
[  468.167513]  ____cache_alloc_node+0x1c7/0x1e0
[  468.172011]  kmem_cache_alloc_node+0xe3/0x730
[  468.176539]  ? mark_held_locks+0xc7/0x130
[  468.180700]  __alloc_skb+0x119/0x770
[  468.184412]  ? netdev_alloc_frag+0x1f0/0x1f0
[  468.188812]  ? do_raw_spin_trylock+0x270/0x270
[  468.193404]  ? kmem_cache_alloc_trace+0x353/0x750
[  468.198246]  ? queue_work_on+0x12c/0x1e0
[  468.202318]  ? switchdev_port_obj_del+0xdc/0x440
[  468.207087]  ? switchdev_trans_item_enqueue+0x260/0x260
[  468.212467]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  468.217477]  __br_mdb_notify+0x4ff/0x15d0
[  468.221624]  ? __br_mdb_add+0x7f0/0x7f0
[  468.225605]  ? zap_class+0x640/0x640
[  468.229337]  ? br_multicast_group_expired+0x96/0x610
[  468.234451]  ? lock_downgrade+0x900/0x900
[  468.238595]  br_mdb_notify+0x310/0x410
[  468.242504]  ? br_mdb_dump+0x27b0/0x27b0
[  468.246605]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  468.252164]  br_multicast_group_expired+0x1bc/0x610
[  468.257178]  ? br_mdb_free+0x80/0x80
[  468.260912]  call_timer_fn+0x272/0x920
[  468.264795]  ? br_mdb_free+0x80/0x80
[  468.268501]  ? process_timeout+0x40/0x40
[  468.272574]  ? mark_held_locks+0xc7/0x130
[  468.276716]  ? _raw_spin_unlock_irq+0x27/0x80
[  468.281215]  ? _raw_spin_unlock_irq+0x27/0x80
[  468.285706]  ? br_mdb_free+0x80/0x80
[  468.289421]  ? lockdep_hardirqs_on+0x296/0x5b0
[  468.294004]  ? trace_hardirqs_on+0xbd/0x310
[  468.298334]  ? kasan_check_read+0x11/0x20
[  468.302482]  ? __run_timers+0x7da/0xc70
[  468.306458]  ? trace_hardirqs_off_caller+0x310/0x310
[  468.311584]  ? br_mdb_free+0x80/0x80
[  468.315298]  __run_timers+0x7e5/0xc70
[  468.319128]  ? timer_fixup_init+0x70/0x70
[  468.323283]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  468.328325]  ? zap_class+0x640/0x640
[  468.332048]  ? print_usage_bug+0xc0/0xc0
[  468.336113]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  468.341336]  ? find_held_lock+0x36/0x1c0
[  468.345447]  ? zap_class+0x640/0x640
[  468.349169]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  468.354711]  ? check_preemption_disabled+0x48/0x280
[  468.359740]  ? __lock_is_held+0xb5/0x140
[  468.363820]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  468.369357]  ? check_preemption_disabled+0x48/0x280
[  468.374381]  run_timer_softirq+0x52/0xb0
[  468.378446]  ? rcu_read_lock_sched_held+0x14f/0x180
[  468.383461]  __do_softirq+0x308/0xb7e
[  468.387279]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  468.391781]  ? lock_downgrade+0x900/0x900
[  468.395937]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  468.401048]  ? pvclock_read_flags+0x160/0x160
[  468.405558]  ? lapic_next_event+0x5a/0x90
[  468.409712]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  468.415259]  ? kvm_clock_read+0x18/0x30
[  468.419234]  ? kvm_sched_clock_read+0x9/0x20
[  468.423649]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  468.429193]  ? check_preemption_disabled+0x48/0x280
[  468.434234]  irq_exit+0x17f/0x1c0
[  468.437689]  smp_apic_timer_interrupt+0x1cb/0x760
[  468.442532]  ? smp_reschedule_interrupt+0x109/0x650
[  468.447566]  ? smp_call_function_single_interrupt+0x650/0x650
[  468.453458]  ? interrupt_entry+0xb5/0xc0
[  468.457519]  ? trace_hardirqs_off_caller+0xbb/0x310
[  468.462539]  ? trace_hardirqs_off_caller+0xbb/0x310
[  468.467568]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  468.472406]  ? trace_hardirqs_on_caller+0x310/0x310
[  468.477412]  ? trace_hardirqs_on_caller+0x310/0x310
[  468.482417]  ? task_prio+0x50/0x50
[  468.485964]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  468.491492]  ? check_preemption_disabled+0x48/0x280
[  468.496503]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  468.501361]  apic_timer_interrupt+0xf/0x20
[  468.505597]  </IRQ>
[  468.507832] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  468.513043] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec
[  468.531946] RSP: 0018:ffff8801c2d36100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  468.539642] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100385b2de6
[  468.546914] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c2d96ebc
[  468.554189] RBP: ffff8801c2d36128 R08: ffff8801c2d96f30 R09: 0000000000000006
[  468.561467] R10: 0000000000000000 R11: ffff8801c2d96640 R12: dffffc0000000000
[  468.568760] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  468.576060]  retint_kernel+0x1b/0x2d
[  468.579794] RIP: 0010:dump_stack+0x358/0x39d
[  468.584210] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  468.603116] RSP: 0018:ffff8801c2d361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  468.610814] RAX: ffff8801c2d96640 RBX: 1ffffffff12a3f76 RCX: 1ffff100385b2de6
[  468.618104] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  468.625477] RBP: ffff8801c2d36290 R08: ffff8801c2d96f30 R09: 0000000000000006
[  468.632750] R10: 0000000000000000 R11: ffff8801c2d96640 R12: 1ffff100385a6c45
[  468.640007] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  468.647283]  ? dump_stack+0x34f/0x39d
[  468.651139]  ? dump_stack_print_info.cold.1+0x20/0x20
[  468.656353]  ? mark_held_locks+0x130/0x130
[  468.660579]  ? mark_held_locks+0x130/0x130
[  468.664811]  dump_header+0x27b/0xf72
[  468.668545]  ? pagefault_out_of_memory+0x197/0x197
[  468.673503]  ? __lock_acquire+0x62f/0x4c20
[  468.677748]  ? percpu_ref_get_many+0x240/0x240
[  468.682356]  ? print_usage_bug+0xc0/0xc0
[  468.686413]  ? zap_class+0x640/0x640
[  468.690138]  ? print_usage_bug+0xc0/0xc0
[  468.694194]  ? print_usage_bug+0xc0/0xc0
[  468.698250]  ? zap_class+0x640/0x640
[  468.701957]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  468.707490]  ? find_held_lock+0x36/0x1c0
[  468.711560]  ? mark_held_locks+0xc7/0x130
[  468.715749]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  468.720843]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  468.725939]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  468.730522]  ? trace_hardirqs_on+0xbd/0x310
[  468.734858]  ? kasan_check_read+0x11/0x20
[  468.739015]  ? ___ratelimit+0x3b4/0x672
[  468.743000]  ? trace_hardirqs_off_caller+0x310/0x310
[  468.748098]  ? trace_hardirqs_on+0x310/0x310
[  468.753019]  ? lock_downgrade+0x900/0x900
[  468.757235]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  468.762349]  ? ___ratelimit+0x3b9/0x672
[  468.766319]  ? idr_get_free+0xf70/0xf70
[  468.770318]  ? find_held_lock+0x36/0x1c0
[  468.774395]  oom_kill_process.cold.27+0x10/0x903
[  468.779144]  ? zap_class+0x640/0x640
[  468.782851]  ? check_preemption_disabled+0x48/0x280
[  468.787860]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  468.792791]  ? kasan_check_read+0x11/0x20
[  468.796930]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  468.802201]  ? oom_evaluate_task+0x540/0x540
[  468.806605]  ? find_held_lock+0x36/0x1c0
[  468.810668]  ? out_of_memory+0x974/0x1430
[  468.814810]  ? lock_downgrade+0x900/0x900
[  468.818953]  ? check_preemption_disabled+0x48/0x280
[  468.823964]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  468.828890]  ? kasan_check_read+0x11/0x20
[  468.833041]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  468.838329]  ? rcu_softirq_qs+0x20/0x20
[  468.842364]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  468.847891]  ? oom_evaluate_task+0x302/0x540
[  468.852295]  out_of_memory+0xa84/0x1430
[  468.856308]  ? oom_killer_disable+0x3a0/0x3a0
[  468.860831]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  468.865789]  ? __ww_mutex_check_waiters+0x160/0x160
[  468.870812]  __alloc_pages_slowpath+0x2354/0x2e10
[  468.875674]  ? warn_alloc+0x120/0x120
[  468.879462]  ? mark_held_locks+0x130/0x130
[  468.883710]  ? find_get_entry+0xaae/0x1120
[  468.887960]  ? filemap_map_pages+0x1a20/0x1a20
[  468.892540]  ? zap_class+0x640/0x640
[  468.896256]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  468.901797]  ? check_preemption_disabled+0x48/0x280
[  468.906807]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  468.912349]  ? should_fail+0x22d/0xd01
[  468.916235]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  468.921334]  ? zap_class+0x640/0x640
[  468.925114]  ? __lock_is_held+0xb5/0x140
[  468.929191]  ? mark_held_locks+0x130/0x130
[  468.933422]  ? lock_release+0xa00/0xa00
[  468.937385]  ? perf_trace_sched_process_exec+0x860/0x860
[  468.942828]  ? xa_load+0x2ba/0x460
[  468.946375]  ? lock_downgrade+0x900/0x900
[  468.950514]  ? __might_sleep+0x95/0x190
[  468.954481]  __alloc_pages_nodemask+0xa80/0xde0
[  468.959158]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  468.964191]  ? __page_cache_alloc+0x191/0x5c0
[  468.968722]  ? xa_load+0x2e1/0x460
[  468.972290]  ? xa_clear_mark+0x40/0x40
[  468.976189]  ? zap_class+0x640/0x640
[  468.979899]  ? zap_class+0x640/0x640
[  468.983617]  ? zap_class+0x640/0x640
[  468.987336]  ? __do_page_cache_readahead+0x663/0x810
[  468.992433]  ? find_held_lock+0x36/0x1c0
[  468.996488]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  469.002031]  alloc_pages_current+0x173/0x350
[  469.006444]  __page_cache_alloc+0x38c/0x5c0
[  469.010751]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  469.015700]  ? kasan_check_read+0x11/0x20
[  469.019863]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  469.025131]  ? generic_perform_write+0x6a0/0x6a0
[  469.029879]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  469.035418]  ? check_preemption_disabled+0x48/0x280
[  469.040429]  filemap_fault+0x1595/0x25f0
[  469.044503]  ? __lock_page_or_retry+0xa00/0xa00
[  469.049166]  ? mark_held_locks+0x130/0x130
[  469.053398]  ? filemap_map_pages+0xd6b/0x1a20
[  469.057919]  ? lock_downgrade+0x900/0x900
[  469.062064]  ? check_preemption_disabled+0x48/0x280
[  469.067108]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  469.072072]  ? kasan_check_read+0x11/0x20
[  469.076252]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  469.081518]  ? rcu_softirq_qs+0x20/0x20
[  469.085508]  ? filemap_map_pages+0xd92/0x1a20
[  469.090004]  ? find_get_entries_tag+0x1400/0x1400
[  469.094868]  ? find_held_lock+0x36/0x1c0
[  469.098932]  ? lock_acquire+0x1ed/0x520
[  469.102898]  ? ext4_filemap_fault+0x7a/0xad
[  469.107219]  ? lock_release+0xa00/0xa00
[  469.111183]  ? perf_trace_sched_process_exec+0x860/0x860
[  469.116627]  ? print_usage_bug+0xc0/0xc0
[  469.120694]  ? down_read+0x8d/0x120
[  469.124329]  ? ext4_filemap_fault+0x7a/0xad
[  469.128643]  ? __down_interruptible+0x700/0x700
[  469.133306]  ? find_held_lock+0x36/0x1c0
[  469.137364]  ext4_filemap_fault+0x82/0xad
[  469.141520]  __do_fault+0x100/0x6b0
[  469.145176]  ? lock_downgrade+0x900/0x900
[  469.149322]  ? pmd_devmap_trans_unstable+0x220/0x220
[  469.154423]  ? kasan_check_read+0x11/0x20
[  469.158600]  ? do_raw_spin_unlock+0xa7/0x330
[  469.163006]  ? do_raw_spin_trylock+0x270/0x270
[  469.167598]  __handle_mm_fault+0x3ea0/0x5be0
[  469.171998]  ? perf_trace_lock+0x7a0/0x7a0
[  469.176264]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  469.181155]  ? zap_class+0x640/0x640
[  469.184862]  ? zap_class+0x640/0x640
[  469.188574]  ? __x64_sys_futex+0x53e/0x6a0
[  469.192810]  ? find_held_lock+0x36/0x1c0
[  469.196875]  ? handle_mm_fault+0x42a/0xc70
[  469.201104]  ? lock_downgrade+0x900/0x900
[  469.205261]  ? check_preemption_disabled+0x48/0x280
[  469.210271]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  469.215191]  ? kasan_check_read+0x11/0x20
[  469.219336]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  469.224607]  ? rcu_softirq_qs+0x20/0x20
[  469.228583]  ? trace_hardirqs_off_caller+0x310/0x310
[  469.233681]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  469.239388]  ? check_preemption_disabled+0x48/0x280
[  469.244403]  handle_mm_fault+0x54f/0xc70
[  469.248459]  ? __handle_mm_fault+0x5be0/0x5be0
[  469.253066]  ? find_vma+0x34/0x190
[  469.256620]  __do_page_fault+0x5e8/0xe60
[  469.260672]  ? trace_hardirqs_off+0xb8/0x310
[  469.265069]  ? kernel_write+0x120/0x120
[  469.269045]  do_page_fault+0xf2/0x7e0
[  469.272840]  ? vmalloc_sync_all+0x30/0x30
[  469.276979]  ? error_entry+0x70/0xd0
[  469.280700]  ? trace_hardirqs_off_caller+0xbb/0x310
[  469.285711]  ? trace_hardirqs_on_caller+0xc0/0x310
[  469.290633]  ? syscall_return_slowpath+0x5e0/0x5e0
[  469.295559]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  469.300397]  ? trace_hardirqs_on_caller+0x310/0x310
[  469.305404]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  469.310848]  ? prepare_exit_to_usermode+0x291/0x3b0
[  469.315857]  ? page_fault+0x8/0x30
[  469.319396]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  469.324231]  ? page_fault+0x8/0x30
[  469.327780]  page_fault+0x1e/0x30
[  469.331253] RIP: 0033:0x404068
[  469.334471] Code: Bad RIP value.
[  469.337831] RSP: 002b:000000c420024e48 EFLAGS: 00010206
[  469.343211] RAX: 000000c422dd4cc0 RBX: 000000c42875f801 RCX: 000000c424d31838
[  469.350472] RDX: 000000c422dd4cc0 RSI: 0000000000000001 RDI: 0000000000000001
[  469.357749] RBP: 000000c420024ed8 R08: 00007ffd3a9b40b0 R09: 00007ffd3a9b4080
[  469.365019] R10: 000000000000eacc R11: 0000000000000165 R12: 0000000000000001
[  469.372317] R13: 000000c4271c3620 R14: 0000000000000001 R15: 0000000000000000
[  469.379630] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #83
[  469.379659] rcu: INFO: rcu_preempt self-detected stall on CPU
[  469.386411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  469.392641] rcu: 	1-...!: (357 ticks this GP) idle=57a/1/0x4000000000000004 softirq=30165/30167 fqs=1 
[  469.401600] Call Trace:
[  469.401616]  dump_stack+0x244/0x39d
[  469.401631]  ? dump_stack_print_info.cold.1+0x20/0x20
[  469.401651]  warn_alloc.cold.116+0xb7/0x1bd
[  469.401664]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  469.401677]  ? lock_downgrade+0x900/0x900
[  469.401696]  ? trace_hardirqs_off+0xb8/0x310
[  469.401712]  ? trace_hardirqs_off+0xb8/0x310
[  469.401729]  __alloc_pages_slowpath+0x26e8/0x2e10
[  469.401762]  ? warn_alloc+0x120/0x120
[  469.411476] rcu: 	 (t=10590 jiffies g=38197 q=37)
[  469.414054]  ? print_usage_bug+0xc0/0xc0
[  469.417702] rcu: rcu_preempt kthread starved for 10358 jiffies! g38197 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
[  469.422897]  ? warn_alloc+0x120/0x120
[  469.427190] rcu: RCU grace-period kthread stack dump:
[  469.432031]  ? warn_alloc+0x120/0x120
[  469.436164] rcu_preempt     R  running task    22696    10      2 0x80000000
[  469.440564]  ? print_usage_bug+0xc0/0xc0
[  469.444944] Call Trace:
[  469.449786]  ? print_usage_bug+0xc0/0xc0
[  469.453580]  __schedule+0x8cf/0x21d0
[  469.458399]  ? __lock_acquire+0x62f/0x4c20
[  469.462443]  ? __sched_text_start+0x8/0x8
[  469.472934]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  469.476725]  ? add_timer_on+0xa20/0xa20
[  469.481913]  ? should_fail+0x22d/0xd01
[  469.485698]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  469.492881]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  469.496944]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  469.499515]  ? __lock_acquire+0x62f/0x4c20
[  469.503572]  ? trace_hardirqs_on+0xbd/0x310
[  469.507269]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  469.511520]  ? kasan_check_read+0x11/0x20
[  469.515666]  ? __lock_acquire+0x62f/0x4c20
[  469.521193]  ? prepare_to_swait_event+0x25a/0x800
[  469.525148]  ? should_fail+0x22d/0xd01
[  469.529027]  ? trace_hardirqs_off_caller+0x310/0x310
[  469.534111]  ? find_held_lock+0x36/0x1c0
[  469.539197]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  469.544308]  ? mark_held_locks+0x130/0x130
[  469.548529]  schedule+0xfe/0x460
[  469.552842]  ? mark_held_locks+0x130/0x130
[  469.557932]  ? __schedule+0x21d0/0x21d0
[  469.562069]  ? zap_class+0x640/0x640
[  469.566288]  ? prepare_to_swait_event+0x25a/0x800
[  469.571118]  ? mark_held_locks+0xc7/0x130
[  469.575009]  ? __init_swait_queue_head+0x150/0x150
[  469.580090]  ? do_raw_spin_unlock+0xa7/0x330
[  469.584139]  ? __lockdep_init_map+0x105/0x590
[  469.589224]  ? zap_class+0x640/0x640
[  469.593442]  ? lockdep_init_map+0x9/0x10
[  469.596792]  ? print_usage_bug+0xc0/0xc0
[  469.601012]  schedule_timeout+0x140/0x260
[  469.604970]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  469.608680]  ? usleep_range+0x1a0/0x1a0
[  469.613505]  ? check_preemption_disabled+0x48/0x280
[  469.617633]  ? __next_timer_interrupt+0x1a0/0x1a0
[  469.622558]  ? __lock_is_held+0xb5/0x140
[  469.626968]  rcu_gp_fqs_loop+0x762/0xa80
[  469.631440]  __alloc_pages_nodemask+0xa80/0xde0
[  469.635155]  ? rcu_gp_fqs_check_wake+0x170/0x170
[  469.639208]  ? zap_class+0x640/0x640
[  469.643252]  ? trace_hardirqs_off_caller+0x310/0x310
[  469.647384]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  469.652913]  ? perf_trace_sched_process_exec+0x860/0x860
[  469.656877]  ? find_held_lock+0x36/0x1c0
[  469.661888]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  469.666729]  ? ____cache_alloc_node+0x1c7/0x1e0
[  469.670773]  ? rcu_gp_init+0x90b/0x1260
[  469.674819]  ? lock_downgrade+0x900/0x900
[  469.679458]  ? __switch_to_asm+0x40/0x70
[  469.684214]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  469.687903]  ? dump_blkd_tasks.isra.48+0xe0/0xe0
[  469.692982]  cache_grow_begin+0xa5/0x8c0
[  469.697975]  ? __switch_to_asm+0x40/0x70
[  469.703420]  ? do_raw_spin_unlock+0xa7/0x330
[  469.707493]  ? find_held_lock+0x36/0x1c0
[  469.713010]  fallback_alloc+0x204/0x2e0
[  469.717670]  ? zap_class+0x640/0x640
[  469.721626]  ____cache_alloc_node+0x1c7/0x1e0
[  469.725781]  ? prepare_to_swait_event+0x25a/0x800
[  469.729895]  kmem_cache_alloc_node+0xe3/0x730
[  469.735439]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  469.740192]  ? ipv6_get_ifaddr+0x42e/0x620
[  469.744238]  ? find_held_lock+0x36/0x1c0
[  469.748285]  __alloc_skb+0x119/0x770
[  469.752677]  ? finish_swait+0x25d/0x430
[  469.756754]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  469.760738]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  469.764448]  ? netdev_alloc_frag+0x1f0/0x1f0
[  469.768926]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  469.773753]  ? lock_downgrade+0x900/0x900
[  469.778232]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  469.783321]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  469.787546]  ? trace_hardirqs_on+0xbd/0x310
[  469.791601]  ? refcount_sub_and_test_checked+0x203/0x310
[  469.795298]  ? kasan_check_read+0x11/0x20
[  469.799256]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  469.804539]  ? trace_hardirqs_off_caller+0x310/0x310
[  469.809638]  ? addrconf_rs_timer+0x690/0x690
[  469.814036]  ? __init_swait_queue_head+0x150/0x150
[  469.819129]  ndisc_alloc_skb+0x144/0x340
[  469.823257]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  469.827827]  ndisc_send_rs+0x331/0x6e0
[  469.833346]  ? finish_swait+0x25d/0x430
[  469.837662]  addrconf_rs_timer+0x314/0x690
[  469.843129]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  469.847279]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  469.852714]  ? swake_up_locked+0x360/0x360
[  469.857807]  call_timer_fn+0x272/0x920
[  469.862197]  ? trace_hardirqs_off_caller+0x310/0x310
[  469.867116]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  469.871201]  ? perf_trace_sched_process_exec+0x860/0x860
[  469.876303]  ? process_timeout+0x40/0x40
[  469.880195]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  469.884151]  ? __run_timers+0x7da/0xc70
[  469.888370]  rcu_gp_kthread+0x341/0xc70
[  469.892941]  ? _raw_spin_unlock_irq+0x27/0x80
[  469.897159]  ? rcu_gp_init+0x1260/0x1260
[  469.901370]  ? _raw_spin_unlock_irq+0x27/0x80
[  469.905242]  ? mark_held_locks+0x130/0x130
[  469.910326]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  469.910343]  ? lockdep_hardirqs_on+0x296/0x5b0
[  469.914576]  ? __schedule+0x168a/0x21d0
[  469.920004]  ? trace_hardirqs_on+0xbd/0x310
[  469.924062]  ? _raw_spin_unlock_irq+0x27/0x80
[  469.929588]  ? kasan_check_read+0x11/0x20
[  469.933543]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  469.937502]  ? __run_timers+0x7da/0xc70
[  469.941978]  ? trace_hardirqs_on+0xbd/0x310
[  469.946016]  ? trace_hardirqs_off_caller+0x310/0x310
[  469.950492]  ? kasan_check_read+0x11/0x20
[  469.954704]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  469.958920]  ? __schedule+0x168a/0x21d0
[  469.963484]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  469.967440]  ? trace_hardirqs_off_caller+0x310/0x310
[  469.971737]  __run_timers+0x7e5/0xc70
[  469.976229]  ? lock_pin_lock+0x350/0x350
[  469.980358]  ? timer_fixup_init+0x70/0x70
[  469.984916]  ? _raw_spin_unlock_irq+0x60/0x80
[  469.988864]  ? _raw_spin_unlock_irq+0x27/0x80
[  469.993163]  ? __schedule+0x168a/0x21d0
[  469.998263]  ? _raw_spin_unlock_irq+0x27/0x80
[  470.002394]  ? __switch_to_asm+0x40/0x70
[  470.006607]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  470.010559]  ? __switch_to_asm+0x40/0x70
[  470.014771]  ? trace_hardirqs_on+0xbd/0x310
[  470.019853]  ? show_schedstat+0x721/0xf30
[  470.023631]  ? kasan_check_read+0x11/0x20
[  470.027690]  ? __sched_text_start+0x8/0x8
[  470.031821]  ? finish_task_switch+0x1f4/0x910
[  470.036334]  ? find_held_lock+0x36/0x1c0
[  470.040801]  ? trace_hardirqs_off_caller+0x310/0x310
[  470.044771]  ? __kthread_parkme+0xce/0x1a0
[  470.049250]  ? compat_start_thread+0x80/0x80
[  470.053289]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  470.057866]  ? pvclock_read_flags+0x160/0x160
[  470.061888]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  470.066186]  ? __switch_to_asm+0x34/0x70
[  470.070324]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  470.074458]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  470.078585]  ? trace_hardirqs_on+0xbd/0x310
[  470.083069]  ? check_preemption_disabled+0x48/0x280
[  470.087122]  ? kasan_check_read+0x11/0x20
[  470.092204]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  470.096426]  ? __kthread_parkme+0xce/0x1a0
[  470.100818]  ? rcu_pm_notify+0xc0/0xc0
[  470.105892]  ? trace_hardirqs_off_caller+0x310/0x310
[  470.110363]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  470.115464]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  470.119498]  ? check_preemption_disabled+0x48/0x280
[  470.124082]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  470.129655]  run_timer_softirq+0x52/0xb0
[  470.133954]  ? __kthread_parkme+0xfb/0x1a0
[  470.138965]  ? rcu_read_lock_sched_held+0x14f/0x180
[  470.143125]  ? rcu_gp_init+0x1260/0x1260
[  470.148665]  __do_softirq+0x308/0xb7e
[  470.152892]  kthread+0x35a/0x440
[  470.156772]  ? trace_hardirqs_on_caller+0xc0/0x310
[  470.161867]  ? kthread_stop+0x900/0x900
[  470.167396]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  470.172473]  ret_from_fork+0x3a/0x50
[  470.177469]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  470.183019] NMI backtrace for cpu 1
[  470.187082]  ? schedule+0x108/0x460
[  470.237948]  ? trace_hardirqs_off+0xb8/0x310
[  470.242359]  ? smpboot_thread_fn+0x68b/0xa00
[  470.246758]  ? trace_hardirqs_on+0x310/0x310
[  470.251156]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  470.256712]  ? check_preemption_disabled+0x48/0x280
[  470.261722]  ? takeover_tasklets+0xa90/0xa90
[  470.266121]  run_ksoftirqd+0x5e/0x100
[  470.269912]  smpboot_thread_fn+0x68b/0xa00
[  470.274140]  ? sort_range+0x30/0x30
[  470.277759]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  470.282854]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  470.288378]  ? __kthread_parkme+0xfb/0x1a0
[  470.292636]  ? sort_range+0x30/0x30
[  470.296288]  kthread+0x35a/0x440
[  470.299645]  ? kthread_stop+0x900/0x900
[  470.303612]  ret_from_fork+0x3a/0x50
[  470.307351] CPU: 1 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  470.307356] warn_alloc_show_mem: 1 callbacks suppressed
[  470.307362] Mem-Info:
[  470.314273] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  470.319657] active_anon:44321 inactive_anon:2061 isolated_anon:0
[  470.319657]  active_file:14 inactive_file:14 isolated_file:0
[  470.319657]  unevictable:0 dirty:0 writeback:0 unstable:0
[  470.319657]  slab_reclaimable:9437 slab_unreclaimable:1460937
[  470.319657]  mapped:49154 shmem:2105 pagetables:642 bounce:0
[  470.319657]  free:13638 free_pcp:328 free_cma:0
[  470.322033] Call Trace:
[  470.331699] Node 0 active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8420kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  470.364712]  <IRQ>
[  470.367276] 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
[  470.394858]  dump_stack+0x244/0x39d
[  470.396990] lowmem_reserve[]: 0 2818 6321 6321
[  470.423086]  ? dump_stack_print_info.cold.1+0x20/0x20
[  470.426684] Node 0 DMA32 free:24708kB 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
[  470.431252]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  470.436435] lowmem_reserve[]: 0 0 3503 3503
[  470.463915]  ? do_raw_spin_lock+0x14f/0x350
[  470.469425] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2568kB bounce:0kB free_pcp:1064kB local_pcp:692kB free_cma:0kB
[  470.473734]  nmi_cpu_backtrace.cold.2+0x5c/0xa1
[  470.478025] lowmem_reserve[]: 0 0 0 0
[  470.507075]  ? lapic_can_unplug_cpu.cold.27+0x3f/0x3f
[  470.511712] 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
[  470.515502]  nmi_trigger_cpumask_backtrace+0x1e8/0x22a
[  470.520667] Node 0 DMA32: 5*4kB (UM) 2*8kB (MH) 2*16kB (MH) 4*32kB (MH) 3*64kB (M) 2*128kB (M) 4*256kB (UMH) 3*512kB (UM) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24708kB
[  470.534180]  arch_trigger_cpumask_backtrace+0x14/0x20
[  470.539434] Node 0 Normal: 930*4kB (MEH) 535*8kB (UMEH) 215*16kB (UME) 80*32kB (UMH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  470.554942]  rcu_dump_cpu_stacks+0x16f/0x1bc
[  470.560114] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  470.573889]  print_cpu_stall.cold.67+0x1f3/0x3c7
[  470.578279] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  470.587099]  ? print_other_cpu_stall+0x160/0x160
[  470.591835] 2133 total pagecache pages
[  470.600398]  ? print_usage_bug+0xc0/0xc0
[  470.605135] 0 pages in swap cache
[  470.609020]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  470.613068] Swap cache stats: add 0, delete 0, find 0/0
[  470.616521]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  470.621604] Free swap  = 0kB
[  470.626958]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  470.632463] Total swap = 0kB
[  470.635471]  ? do_trace_rcu_torture_read+0x10/0x10
[  470.640982] 1965979 pages RAM
[  470.644007]  ? rcu_preempt_need_deferred_qs+0x74/0x1f0
[  470.648903] 0 pages HighMem/MovableOnly
[  470.651994]  ? __lock_is_held+0xb5/0x140
[  470.657289] 342853 pages reserved
[  470.661296]  ? __rcu_read_lock+0x50/0x50
[  470.665338] 0 pages cma reserved
[  470.668782]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  470.672894] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  470.676179]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  470.681755] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  470.688172]  ? check_preemption_disabled+0x48/0x280
[  470.693682] ksoftirqd/0 cpuset=/ mems_allowed=0
[  470.704000]  rcu_check_callbacks+0xf3b/0x13f0
[  470.718115]  ? rcutree_dead_cpu+0x10/0x10
[  470.722265]  ? lock_downgrade+0x900/0x900
[  470.726425]  ? lock_release+0x930/0xa00
[  470.730402]  ? zap_class+0x640/0x640
[  470.734131]  ? mark_held_locks+0x130/0x130
[  470.738354]  ? zap_class+0x640/0x640
[  470.742059]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  470.747680]  ? pvclock_gtod_notify+0x2e3/0x3e0
[  470.752761]  ? kvm_set_tsc_khz+0x540/0x540
[  470.757006]  ? find_held_lock+0x36/0x1c0
[  470.761098]  ? zap_class+0x640/0x640
[  470.764800]  ? timekeeping_advance+0x3cc/0xc00
[  470.769398]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  470.774942]  ? check_preemption_disabled+0x48/0x280
[  470.779974]  ? trace_hardirqs_off+0xb8/0x310
[  470.784371]  ? __lock_is_held+0xb5/0x140
[  470.788422]  ? trace_hardirqs_on+0x310/0x310
[  470.792866]  ? check_preemption_disabled+0x48/0x280
[  470.797884]  ? raise_softirq+0x199/0x420
[  470.801954]  ? raise_softirq_irqoff+0x2e0/0x2e0
[  470.806632]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  470.812162]  ? check_preemption_disabled+0x48/0x280
[  470.817204]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  470.822737]  ? hrtimer_run_queues+0x9a/0x400
[  470.827142]  ? run_local_timers+0x19b/0x230
[  470.831455]  ? timer_clear_idle+0x90/0x90
[  470.835598]  ? debug_smp_processor_id+0x1c/0x20
[  470.840286]  ? irqtime_account_process_tick.isra.6+0x114/0x490
[  470.846267]  ? account_process_tick+0x282/0x350
[  470.850932]  update_process_times+0x2d/0x70
[  470.855246]  tick_sched_handle+0x9f/0x180
[  470.859400]  tick_sched_timer+0x45/0x130
[  470.863476]  __hrtimer_run_queues+0x41c/0x10d0
[  470.868059]  ? tick_sched_do_timer+0x1a0/0x1a0
[  470.872636]  ? hrtimer_start_range_ns+0xe00/0xe00
[  470.877480]  ? pvclock_read_flags+0x160/0x160
[  470.882008]  ? trace_hardirqs_on+0x310/0x310
[  470.886424]  ? zap_class+0x640/0x640
[  470.890149]  ? kvm_clock_read+0x18/0x30
[  470.894116]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  470.899163]  ? ktime_get_update_offsets_now+0x3b3/0x540
[  470.904522]  ? do_timer+0x50/0x50
[  470.907966]  ? rwlock_bug.part.2+0x90/0x90
[  470.912237]  ? trace_hardirqs_on+0x310/0x310
[  470.916765]  ? rcu_softirq_qs+0x20/0x20
[  470.920786]  hrtimer_interrupt+0x313/0x780
[  470.925057]  smp_apic_timer_interrupt+0x1a1/0x760
[  470.929909]  ? smp_call_function_single_interrupt+0x650/0x650
[  470.935833]  ? interrupt_entry+0xb5/0xc0
[  470.939905]  ? trace_hardirqs_off_caller+0xbb/0x310
[  470.944931]  ? ____cache_alloc_node+0x1c7/0x1e0
[  470.949594]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  470.954447]  ? trace_hardirqs_on_caller+0x310/0x310
[  470.959569]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  470.964410]  apic_timer_interrupt+0xf/0x20
[  470.968639] RIP: 0010:kmem_cache_alloc_node+0x247/0x730
[  470.974040] Code: 3f 7e 0f 85 32 ff ff ff e8 75 1d 3e ff e9 28 ff ff ff e8 ec 52 c3 ff 48 83 3d f4 9b 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 bf fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  470.993138] RSP: 0018:ffff8801daf07268 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  471.000854] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff100385b2df0
[  471.008148] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286
[  471.015427] RBP: ffff8801daf072d8 R08: ffff8801c2d96f80 R09: 0000000000000002
[  471.022696] R10: 0000000000000000 R11: ffff8801c2d96640 R12: ffff8801d9beec00
[  471.029983] R13: ffff8801d9beec00 R14: 0000000000000000 R15: 0000000000000286
[  471.037260]  ? apic_timer_interrupt+0xa/0x20
[  471.041718]  ? mark_held_locks+0xc7/0x130
[  471.045882]  __alloc_skb+0x119/0x770
[  471.049604]  ? netdev_alloc_frag+0x1f0/0x1f0
[  471.054015]  ? do_raw_spin_trylock+0x270/0x270
[  471.058606]  ? kmem_cache_alloc_trace+0x353/0x750
[  471.063452]  ? queue_work_on+0x12c/0x1e0
[  471.067522]  ? switchdev_port_obj_del+0xdc/0x440
[  471.072288]  ? switchdev_trans_item_enqueue+0x260/0x260
[  471.077663]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  471.082684]  __br_mdb_notify+0x4ff/0x15d0
[  471.086841]  ? __br_mdb_add+0x7f0/0x7f0
[  471.090861]  ? zap_class+0x640/0x640
[  471.094596]  ? br_multicast_group_expired+0x96/0x610
[  471.099703]  ? lock_downgrade+0x900/0x900
[  471.103860]  br_mdb_notify+0x310/0x410
[  471.107748]  ? br_mdb_dump+0x27b0/0x27b0
[  471.111822]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  471.117396]  br_multicast_group_expired+0x1bc/0x610
[  471.122422]  ? br_mdb_free+0x80/0x80
[  471.126149]  call_timer_fn+0x272/0x920
[  471.130059]  ? br_mdb_free+0x80/0x80
[  471.133773]  ? process_timeout+0x40/0x40
[  471.137874]  ? mark_held_locks+0xc7/0x130
[  471.142024]  ? _raw_spin_unlock_irq+0x27/0x80
[  471.146531]  ? _raw_spin_unlock_irq+0x27/0x80
[  471.151115]  ? br_mdb_free+0x80/0x80
[  471.154834]  ? lockdep_hardirqs_on+0x296/0x5b0
[  471.159422]  ? trace_hardirqs_on+0xbd/0x310
[  471.163742]  ? kasan_check_read+0x11/0x20
[  471.167888]  ? __run_timers+0x7da/0xc70
[  471.171865]  ? trace_hardirqs_off_caller+0x310/0x310
[  471.176984]  ? br_mdb_free+0x80/0x80
[  471.180701]  __run_timers+0x7e5/0xc70
[  471.184510]  ? timer_fixup_init+0x70/0x70
[  471.188662]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  471.193680]  ? zap_class+0x640/0x640
[  471.197397]  ? print_usage_bug+0xc0/0xc0
[  471.201460]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  471.206663]  ? find_held_lock+0x36/0x1c0
[  471.210733]  ? zap_class+0x640/0x640
[  471.214460]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  471.220003]  ? check_preemption_disabled+0x48/0x280
[  471.225031]  ? __lock_is_held+0xb5/0x140
[  471.229099]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  471.234638]  ? check_preemption_disabled+0x48/0x280
[  471.239685]  run_timer_softirq+0x52/0xb0
[  471.243751]  ? rcu_read_lock_sched_held+0x14f/0x180
[  471.248767]  __do_softirq+0x308/0xb7e
[  471.252579]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  471.257071]  ? lock_downgrade+0x900/0x900
[  471.261237]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  471.266349]  ? pvclock_read_flags+0x160/0x160
[  471.270847]  ? lapic_next_event+0x5a/0x90
[  471.274993]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  471.280528]  ? kvm_clock_read+0x18/0x30
[  471.284533]  ? kvm_sched_clock_read+0x9/0x20
[  471.288945]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  471.294496]  ? check_preemption_disabled+0x48/0x280
[  471.299515]  irq_exit+0x17f/0x1c0
[  471.302960]  smp_apic_timer_interrupt+0x1cb/0x760
[  471.307803]  ? smp_reschedule_interrupt+0x109/0x650
[  471.312851]  ? smp_call_function_single_interrupt+0x650/0x650
[  471.318746]  ? interrupt_entry+0xb5/0xc0
[  471.322803]  ? trace_hardirqs_off_caller+0xbb/0x310
[  471.327842]  ? trace_hardirqs_off_caller+0xbb/0x310
[  471.332856]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  471.337706]  ? trace_hardirqs_on_caller+0x310/0x310
[  471.342712]  ? trace_hardirqs_on_caller+0x310/0x310
[  471.347725]  ? task_prio+0x50/0x50
[  471.351285]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  471.356824]  ? check_preemption_disabled+0x48/0x280
[  471.361853]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  471.366715]  apic_timer_interrupt+0xf/0x20
[  471.370938]  </IRQ>
[  471.373175] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  471.378358] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec
[  471.397254] RSP: 0018:ffff8801c2d36100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  471.404954] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100385b2de6
[  471.412216] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c2d96ebc
[  471.419478] RBP: ffff8801c2d36128 R08: ffff8801c2d96f30 R09: 0000000000000006
[  471.426737] R10: 0000000000000000 R11: ffff8801c2d96640 R12: dffffc0000000000
[  471.434000] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  471.441317]  retint_kernel+0x1b/0x2d
[  471.445071] RIP: 0010:dump_stack+0x358/0x39d
[  471.449488] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  471.468439] RSP: 0018:ffff8801c2d361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  471.476169] RAX: ffff8801c2d96640 RBX: 1ffffffff12a3f76 RCX: 1ffff100385b2de6
[  471.483427] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  471.490684] RBP: ffff8801c2d36290 R08: ffff8801c2d96f30 R09: 0000000000000006
[  471.497964] R10: 0000000000000000 R11: ffff8801c2d96640 R12: 1ffff100385a6c45
[  471.505260] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  471.512538]  ? dump_stack+0x34f/0x39d
[  471.516373]  ? dump_stack_print_info.cold.1+0x20/0x20
[  471.521573]  ? mark_held_locks+0x130/0x130
[  471.525809]  ? mark_held_locks+0x130/0x130
[  471.530050]  dump_header+0x27b/0xf72
[  471.533779]  ? pagefault_out_of_memory+0x197/0x197
[  471.538726]  ? __lock_acquire+0x62f/0x4c20
[  471.542965]  ? percpu_ref_get_many+0x240/0x240
[  471.547548]  ? print_usage_bug+0xc0/0xc0
[  471.551624]  ? zap_class+0x640/0x640
[  471.555368]  ? print_usage_bug+0xc0/0xc0
[  471.559429]  ? print_usage_bug+0xc0/0xc0
[  471.563492]  ? zap_class+0x640/0x640
[  471.567211]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  471.572752]  ? find_held_lock+0x36/0x1c0
[  471.576822]  ? mark_held_locks+0xc7/0x130
[  471.580986]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  471.586088]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  471.591210]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  471.595796]  ? trace_hardirqs_on+0xbd/0x310
[  471.600124]  ? kasan_check_read+0x11/0x20
[  471.604269]  ? ___ratelimit+0x3b4/0x672
[  471.608243]  ? trace_hardirqs_off_caller+0x310/0x310
[  471.613347]  ? trace_hardirqs_on+0x310/0x310
[  471.617753]  ? lock_downgrade+0x900/0x900
[  471.621904]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  471.627006]  ? ___ratelimit+0x3b9/0x672
[  471.630990]  ? idr_get_free+0xf70/0xf70
[  471.634966]  ? find_held_lock+0x36/0x1c0
[  471.639052]  oom_kill_process.cold.27+0x10/0x903
[  471.643821]  ? zap_class+0x640/0x640
[  471.647557]  ? check_preemption_disabled+0x48/0x280
[  471.652578]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  471.657518]  ? kasan_check_read+0x11/0x20
[  471.661659]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  471.666935]  ? oom_evaluate_task+0x540/0x540
[  471.671371]  ? find_held_lock+0x36/0x1c0
[  471.675435]  ? out_of_memory+0x974/0x1430
[  471.679582]  ? lock_downgrade+0x900/0x900
[  471.683727]  ? check_preemption_disabled+0x48/0x280
[  471.688743]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  471.693668]  ? kasan_check_read+0x11/0x20
[  471.697885]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  471.703217]  ? rcu_softirq_qs+0x20/0x20
[  471.707196]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  471.712730]  ? oom_evaluate_task+0x302/0x540
[  471.717142]  out_of_memory+0xa84/0x1430
[  471.721137]  ? oom_killer_disable+0x3a0/0x3a0
[  471.725636]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  471.730580]  ? __ww_mutex_check_waiters+0x160/0x160
[  471.735641]  __alloc_pages_slowpath+0x2354/0x2e10
[  471.740518]  ? warn_alloc+0x120/0x120
[  471.744329]  ? mark_held_locks+0x130/0x130
[  471.748594]  ? find_get_entry+0xaae/0x1120
[  471.752841]  ? filemap_map_pages+0x1a20/0x1a20
[  471.757431]  ? zap_class+0x640/0x640
[  471.761156]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  471.766698]  ? check_preemption_disabled+0x48/0x280
[  471.771716]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  471.777270]  ? should_fail+0x22d/0xd01
[  471.781164]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  471.786283]  ? zap_class+0x640/0x640
[  471.790028]  ? __lock_is_held+0xb5/0x140
[  471.794100]  ? mark_held_locks+0x130/0x130
[  471.798344]  ? lock_release+0xa00/0xa00
[  471.802326]  ? perf_trace_sched_process_exec+0x860/0x860
[  471.807780]  ? xa_load+0x2ba/0x460
[  471.811336]  ? lock_downgrade+0x900/0x900
[  471.815487]  ? __might_sleep+0x95/0x190
[  471.819467]  __alloc_pages_nodemask+0xa80/0xde0
[  471.824152]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  471.829183]  ? __page_cache_alloc+0x191/0x5c0
[  471.833696]  ? xa_load+0x2e1/0x460
[  471.837273]  ? xa_clear_mark+0x40/0x40
[  471.841162]  ? zap_class+0x640/0x640
[  471.844886]  ? zap_class+0x640/0x640
[  471.848600]  ? zap_class+0x640/0x640
[  471.852336]  ? __do_page_cache_readahead+0x663/0x810
[  471.857447]  ? find_held_lock+0x36/0x1c0
[  471.861512]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  471.867058]  alloc_pages_current+0x173/0x350
[  471.871470]  __page_cache_alloc+0x38c/0x5c0
[  471.875786]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  471.880713]  ? kasan_check_read+0x11/0x20
[  471.884858]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  471.890139]  ? generic_perform_write+0x6a0/0x6a0
[  471.894898]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  471.900436]  ? check_preemption_disabled+0x48/0x280
[  471.905455]  filemap_fault+0x1595/0x25f0
[  471.910222]  ? __lock_page_or_retry+0xa00/0xa00
[  471.914888]  ? mark_held_locks+0x130/0x130
[  471.919154]  ? filemap_map_pages+0xd6b/0x1a20
[  471.923649]  ? lock_downgrade+0x900/0x900
[  471.927783]  ? check_preemption_disabled+0x48/0x280
[  471.932790]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  471.937729]  ? kasan_check_read+0x11/0x20
[  471.941867]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  471.947133]  ? rcu_softirq_qs+0x20/0x20
[  471.951104]  ? filemap_map_pages+0xd92/0x1a20
[  471.955603]  ? find_get_entries_tag+0x1400/0x1400
[  471.960449]  ? find_held_lock+0x36/0x1c0
[  471.964516]  ? lock_acquire+0x1ed/0x520
[  471.968562]  ? ext4_filemap_fault+0x7a/0xad
[  471.972902]  ? lock_release+0xa00/0xa00
[  471.976880]  ? perf_trace_sched_process_exec+0x860/0x860
[  471.982325]  ? print_usage_bug+0xc0/0xc0
[  471.986419]  ? down_read+0x8d/0x120
[  471.990049]  ? ext4_filemap_fault+0x7a/0xad
[  471.994390]  ? __down_interruptible+0x700/0x700
[  471.999062]  ? find_held_lock+0x36/0x1c0
[  472.003130]  ext4_filemap_fault+0x82/0xad
[  472.007271]  __do_fault+0x100/0x6b0
[  472.010890]  ? lock_downgrade+0x900/0x900
[  472.015045]  ? pmd_devmap_trans_unstable+0x220/0x220
[  472.020142]  ? kasan_check_read+0x11/0x20
[  472.024319]  ? do_raw_spin_unlock+0xa7/0x330
[  472.028719]  ? do_raw_spin_trylock+0x270/0x270
[  472.033306]  __handle_mm_fault+0x3ea0/0x5be0
[  472.037724]  ? perf_trace_lock+0x7a0/0x7a0
[  472.041960]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  472.046853]  ? zap_class+0x640/0x640
[  472.050574]  ? zap_class+0x640/0x640
[  472.054308]  ? __x64_sys_futex+0x53e/0x6a0
[  472.058543]  ? find_held_lock+0x36/0x1c0
[  472.062612]  ? handle_mm_fault+0x42a/0xc70
[  472.066858]  ? lock_downgrade+0x900/0x900
[  472.071034]  ? check_preemption_disabled+0x48/0x280
[  472.076063]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  472.080997]  ? kasan_check_read+0x11/0x20
[  472.085142]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  472.090439]  ? rcu_softirq_qs+0x20/0x20
[  472.094422]  ? trace_hardirqs_off_caller+0x310/0x310
[  472.099532]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  472.105070]  ? check_preemption_disabled+0x48/0x280
[  472.110123]  handle_mm_fault+0x54f/0xc70
[  472.114181]  ? __handle_mm_fault+0x5be0/0x5be0
[  472.118758]  ? find_vma+0x34/0x190
[  472.122297]  __do_page_fault+0x5e8/0xe60
[  472.126354]  ? trace_hardirqs_off+0xb8/0x310
[  472.130758]  ? kernel_write+0x120/0x120
[  472.134747]  do_page_fault+0xf2/0x7e0
[  472.138540]  ? vmalloc_sync_all+0x30/0x30
[  472.142716]  ? error_entry+0x70/0xd0
[  472.146460]  ? trace_hardirqs_off_caller+0xbb/0x310
[  472.151465]  ? trace_hardirqs_on_caller+0xc0/0x310
[  472.156387]  ? syscall_return_slowpath+0x5e0/0x5e0
[  472.161310]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  472.166156]  ? trace_hardirqs_on_caller+0x310/0x310
[  472.171166]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  472.176611]  ? prepare_exit_to_usermode+0x291/0x3b0
[  472.181622]  ? page_fault+0x8/0x30
[  472.185155]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  472.190054]  ? page_fault+0x8/0x30
[  472.193594]  page_fault+0x1e/0x30
[  472.197051] RIP: 0033:0x404068
[  472.200262] Code: Bad RIP value.
[  472.203620] RSP: 002b:000000c420024e48 EFLAGS: 00010206
[  472.208978] RAX: 000000c422dd4cc0 RBX: 000000c42875f801 RCX: 000000c424d31838
[  472.216267] RDX: 000000c422dd4cc0 RSI: 0000000000000001 RDI: 0000000000000001
[  472.223595] RBP: 000000c420024ed8 R08: 00007ffd3a9b40b0 R09: 00007ffd3a9b4080
[  472.230853] R10: 000000000000eacc R11: 0000000000000165 R12: 0000000000000001
[  472.238127] R13: 000000c4271c3620 R14: 0000000000000001 R15: 0000000000000000
[  472.245440] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #83
[  472.245973] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  472.252221] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  472.262429] syz-fuzzer cpuset=/ mems_allowed=0
[  472.271771] Call Trace:
[  472.278951]  dump_stack+0x244/0x39d
[  472.282595]  ? dump_stack_print_info.cold.1+0x20/0x20
[  472.287819]  warn_alloc.cold.116+0xb7/0x1bd
[  472.292142]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  472.296988]  ? lock_downgrade+0x900/0x900
[  472.301139]  ? trace_hardirqs_off+0xb8/0x310
[  472.305560]  ? trace_hardirqs_off+0xb8/0x310
[  472.309977]  __alloc_pages_slowpath+0x26e8/0x2e10
[  472.314875]  ? warn_alloc+0x120/0x120
[  472.318679]  ? print_usage_bug+0xc0/0xc0
[  472.322742]  ? warn_alloc+0x120/0x120
[  472.326561]  ? warn_alloc+0x120/0x120
[  472.330362]  ? print_usage_bug+0xc0/0xc0
[  472.334424]  ? print_usage_bug+0xc0/0xc0
[  472.338485]  ? __lock_acquire+0x62f/0x4c20
[  472.342735]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  472.348270]  ? should_fail+0x22d/0xd01
[  472.352163]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  472.357283]  ? __lock_acquire+0x62f/0x4c20
[  472.361525]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  472.366637]  ? __lock_acquire+0x62f/0x4c20
[  472.370968]  ? should_fail+0x22d/0xd01
[  472.374888]  ? find_held_lock+0x36/0x1c0
[  472.378953]  ? mark_held_locks+0x130/0x130
[  472.383325]  ? mark_held_locks+0x130/0x130
[  472.387568]  ? zap_class+0x640/0x640
[  472.391284]  ? zap_class+0x640/0x640
[  472.394991]  ? print_usage_bug+0xc0/0xc0
[  472.399061]  ? do_raw_spin_unlock+0xa7/0x330
[  472.403475]  ? zap_class+0x640/0x640
[  472.407180]  ? print_usage_bug+0xc0/0xc0
[  472.411239]  ? wq_watchdog_touch+0x9c/0xfe
[  472.415490]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  472.421055]  ? check_preemption_disabled+0x48/0x280
[  472.426077]  ? __lock_is_held+0xb5/0x140
[  472.430136]  __alloc_pages_nodemask+0xa80/0xde0
[  472.434799]  ? zap_class+0x640/0x640
[  472.438512]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  472.443531]  ? find_held_lock+0x36/0x1c0
[  472.447604]  ? ____cache_alloc_node+0x1c7/0x1e0
[  472.452267]  ? lock_downgrade+0x900/0x900
[  472.456448]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  472.461985]  cache_grow_begin+0xa5/0x8c0
[  472.466042]  ? do_raw_spin_unlock+0xa7/0x330
[  472.470452]  fallback_alloc+0x204/0x2e0
[  472.474429]  ____cache_alloc_node+0x1c7/0x1e0
[  472.478940]  kmem_cache_alloc_node+0xe3/0x730
[  472.483440]  ? ipv6_get_ifaddr+0x42e/0x620
[  472.487695]  __alloc_skb+0x119/0x770
[  472.491404]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  472.496686]  ? netdev_alloc_frag+0x1f0/0x1f0
[  472.501128]  ? lock_downgrade+0x900/0x900
[  472.505282]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  472.510824]  ? refcount_sub_and_test_checked+0x203/0x310
[  472.516277]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  472.521743]  ? addrconf_rs_timer+0x690/0x690
[  472.526164]  ndisc_alloc_skb+0x144/0x340
[  472.530246]  ndisc_send_rs+0x331/0x6e0
[  472.534136]  addrconf_rs_timer+0x314/0x690
[  472.538372]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  472.542628]  call_timer_fn+0x272/0x920
[  472.546513]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  472.550772]  ? process_timeout+0x40/0x40
[  472.554847]  ? __run_timers+0x7da/0xc70
[  472.558832]  ? _raw_spin_unlock_irq+0x27/0x80
[  472.563345]  ? _raw_spin_unlock_irq+0x27/0x80
[  472.567844]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  472.572085]  ? lockdep_hardirqs_on+0x296/0x5b0
[  472.576699]  ? trace_hardirqs_on+0xbd/0x310
[  472.581020]  ? kasan_check_read+0x11/0x20
[  472.585179]  ? __run_timers+0x7da/0xc70
[  472.589178]  ? trace_hardirqs_off_caller+0x310/0x310
[  472.594288]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  472.598531]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  472.602771]  __run_timers+0x7e5/0xc70
[  472.606592]  ? timer_fixup_init+0x70/0x70
[  472.610743]  ? _raw_spin_unlock_irq+0x27/0x80
[  472.615240]  ? _raw_spin_unlock_irq+0x27/0x80
[  472.619963]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  472.624589]  ? trace_hardirqs_on+0xbd/0x310
[  472.628928]  ? kasan_check_read+0x11/0x20
[  472.633094]  ? finish_task_switch+0x1f4/0x910
[  472.637606]  ? trace_hardirqs_off_caller+0x310/0x310
[  472.642722]  ? compat_start_thread+0x80/0x80
[  472.647150]  ? pvclock_read_flags+0x160/0x160
[  472.651640]  ? __switch_to_asm+0x34/0x70
[  472.655702]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  472.661239]  ? check_preemption_disabled+0x48/0x280
[  472.666269]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  472.671840]  ? rcu_pm_notify+0xc0/0xc0
[  472.675729]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  472.681265]  ? check_preemption_disabled+0x48/0x280
[  472.686295]  run_timer_softirq+0x52/0xb0
[  472.690349]  ? rcu_read_lock_sched_held+0x14f/0x180
[  472.695359]  __do_softirq+0x308/0xb7e
[  472.699161]  ? trace_hardirqs_on_caller+0xc0/0x310
[  472.704164]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  472.709288]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  472.714740]  ? schedule+0x108/0x460
[  472.718383]  ? trace_hardirqs_off+0xb8/0x310
[  472.722788]  ? smpboot_thread_fn+0x68b/0xa00
[  472.727197]  ? trace_hardirqs_on+0x310/0x310
[  472.731609]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  472.737157]  ? check_preemption_disabled+0x48/0x280
[  472.742169]  ? takeover_tasklets+0xa90/0xa90
[  472.746580]  run_ksoftirqd+0x5e/0x100
[  472.750375]  smpboot_thread_fn+0x68b/0xa00
[  472.754761]  ? sort_range+0x30/0x30
[  472.758407]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  472.763521]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  472.769060]  ? __kthread_parkme+0xfb/0x1a0
[  472.773293]  ? sort_range+0x30/0x30
[  472.776913]  kthread+0x35a/0x440
[  472.780291]  ? kthread_stop+0x900/0x900
[  472.784262]  ret_from_fork+0x3a/0x50
[  472.787998] CPU: 1 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  472.788000] Mem-Info:
[  472.788028] active_anon:44321 inactive_anon:2061 isolated_anon:0
[  472.788028]  active_file:14 inactive_file:14 isolated_file:0
[  472.788028]  unevictable:0 dirty:0 writeback:0 unstable:0
[  472.788028]  slab_reclaimable:9437 slab_unreclaimable:1460937
[  472.788028]  mapped:49154 shmem:2105 pagetables:642 bounce:0
[  472.788028]  free:13638 free_pcp:328 free_cma:0
[  472.794933] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  472.797365] Node 0 active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8420kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  472.830380] Call Trace:
[  472.839759] 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
[  472.867326]  <IRQ>
[  472.869888] lowmem_reserve[]: 0 2818 6321 6321
[  472.895998]  dump_stack+0x244/0x39d
[  472.898121] Node 0 DMA32 free:24708kB 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
[  472.902723]  ? dump_stack_print_info.cold.1+0x20/0x20
[  472.906316] lowmem_reserve[]: 0 0 3503 3503
[  472.933836]  warn_alloc.cold.116+0xb7/0x1bd
[  472.939026] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2568kB bounce:0kB free_pcp:1064kB local_pcp:692kB free_cma:0kB
[  472.943370]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  472.947686] lowmem_reserve[]: 0 0 0 0
[  472.976733]  ? lock_downgrade+0x900/0x900
[  472.981546] 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
[  472.985360]  ? trace_hardirqs_off+0xb8/0x310
[  472.989490] Node 0 DMA32: 5*4kB (UM) 2*8kB (MH) 2*16kB (MH) 4*32kB (MH) 3*64kB (M) 2*128kB (M) 4*256kB (UMH) 3*512kB (UM) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24708kB
[  473.003024]  ? trace_hardirqs_off+0xb8/0x310
[  473.007402] Node 0 Normal: 930*4kB (MEH) 535*8kB (UMEH) 215*16kB (UME) 80*32kB (UMH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  473.022908]  __alloc_pages_slowpath+0x26e8/0x2e10
[  473.027318] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  473.041133]  ? warn_alloc+0x120/0x120
[  473.045944] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  473.054764]  ? warn_alloc+0x120/0x120
[  473.058543] 2133 total pagecache pages
[  473.067110]  ? warn_alloc+0x120/0x120
[  473.070884] 0 pages in swap cache
[  473.074769]  ? print_usage_bug+0xc0/0xc0
[  473.078543] Swap cache stats: add 0, delete 0, find 0/0
[  473.081998]  ? mark_held_locks+0x130/0x130
[  473.086028] Free swap  = 0kB
[  473.091374]  ? kvm_clock_read+0x18/0x30
[  473.095579] Total swap = 0kB
[  473.098584]  ? print_usage_bug+0xc0/0xc0
[  473.102541] 1965979 pages RAM
[  473.105560]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  473.109586] 0 pages HighMem/MovableOnly
[  473.112702]  ? should_fail+0x22d/0xd01
[  473.118220] 342853 pages reserved
[  473.122209]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  473.126077] 0 pages cma reserved
[  473.129515]  ? __lock_acquire+0x62f/0x4c20
[  473.134635] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  473.137971]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  473.142233] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  473.148664]  ? __lock_acquire+0x62f/0x4c20
[  473.153739] ksoftirqd/0 cpuset=/ mems_allowed=0
[  473.164039]  ? should_fail+0x22d/0xd01
[  473.176778]  ? mark_held_locks+0x130/0x130
[  473.181025]  ? mark_held_locks+0x130/0x130
[  473.185380]  ? zap_class+0x640/0x640
[  473.189088]  ? print_usage_bug+0xc0/0xc0
[  473.193144]  ? find_held_lock+0x36/0x1c0
[  473.197204]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  473.202796]  ? check_preemption_disabled+0x48/0x280
[  473.207845]  ? __lock_is_held+0xb5/0x140
[  473.211918]  __alloc_pages_nodemask+0xa80/0xde0
[  473.216584]  ? zap_class+0x640/0x640
[  473.220296]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  473.225324]  ? find_held_lock+0x36/0x1c0
[  473.229436]  ? ____cache_alloc_node+0x1c7/0x1e0
[  473.234130]  ? lock_downgrade+0x900/0x900
[  473.238278]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  473.243832]  cache_grow_begin+0xa5/0x8c0
[  473.247885]  ? do_raw_spin_unlock+0xa7/0x330
[  473.252327]  fallback_alloc+0x204/0x2e0
[  473.256331]  ____cache_alloc_node+0x1c7/0x1e0
[  473.260878]  kmem_cache_alloc_node+0xe3/0x730
[  473.265368]  ? ipv6_get_ifaddr+0x42e/0x620
[  473.269610]  __alloc_skb+0x119/0x770
[  473.273356]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  473.278642]  ? netdev_alloc_frag+0x1f0/0x1f0
[  473.283044]  ? lock_downgrade+0x900/0x900
[  473.287191]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  473.292721]  ? refcount_sub_and_test_checked+0x203/0x310
[  473.298168]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  473.303636]  ? addrconf_rs_timer+0x690/0x690
[  473.308076]  ndisc_alloc_skb+0x144/0x340
[  473.312182]  ndisc_send_rs+0x331/0x6e0
[  473.316075]  addrconf_rs_timer+0x314/0x690
[  473.320357]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  473.324638]  call_timer_fn+0x272/0x920
[  473.328532]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  473.332767]  ? process_timeout+0x40/0x40
[  473.336826]  ? mark_held_locks+0xc7/0x130
[  473.340969]  ? _raw_spin_unlock_irq+0x27/0x80
[  473.345466]  ? _raw_spin_unlock_irq+0x27/0x80
[  473.349983]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  473.354223]  ? lockdep_hardirqs_on+0x296/0x5b0
[  473.358800]  ? trace_hardirqs_on+0xbd/0x310
[  473.363160]  ? kasan_check_read+0x11/0x20
[  473.367332]  ? __run_timers+0x7da/0xc70
[  473.371325]  ? trace_hardirqs_off_caller+0x310/0x310
[  473.376428]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  473.380658]  __run_timers+0x7e5/0xc70
[  473.384471]  ? timer_fixup_init+0x70/0x70
[  473.388611]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  473.393618]  ? zap_class+0x640/0x640
[  473.397334]  ? print_usage_bug+0xc0/0xc0
[  473.401404]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  473.406621]  ? find_held_lock+0x36/0x1c0
[  473.410680]  ? zap_class+0x640/0x640
[  473.414391]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  473.419920]  ? check_preemption_disabled+0x48/0x280
[  473.424960]  ? __lock_is_held+0xb5/0x140
[  473.429028]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  473.434578]  ? check_preemption_disabled+0x48/0x280
[  473.439606]  run_timer_softirq+0x52/0xb0
[  473.443668]  ? rcu_read_lock_sched_held+0x14f/0x180
[  473.448676]  __do_softirq+0x308/0xb7e
[  473.452469]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  473.456953]  ? lock_downgrade+0x900/0x900
[  473.461107]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  473.466258]  ? pvclock_read_flags+0x160/0x160
[  473.470751]  ? lapic_next_event+0x5a/0x90
[  473.474922]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  473.480454]  ? kvm_clock_read+0x18/0x30
[  473.484421]  ? kvm_sched_clock_read+0x9/0x20
[  473.488818]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  473.494363]  ? check_preemption_disabled+0x48/0x280
[  473.499378]  irq_exit+0x17f/0x1c0
[  473.502823]  smp_apic_timer_interrupt+0x1cb/0x760
[  473.507655]  ? smp_reschedule_interrupt+0x109/0x650
[  473.512665]  ? smp_call_function_single_interrupt+0x650/0x650
[  473.518560]  ? interrupt_entry+0xb5/0xc0
[  473.522631]  ? trace_hardirqs_off_caller+0xbb/0x310
[  473.527662]  ? trace_hardirqs_off_caller+0xbb/0x310
[  473.532673]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  473.537506]  ? trace_hardirqs_on_caller+0x310/0x310
[  473.542524]  ? trace_hardirqs_on_caller+0x310/0x310
[  473.547536]  ? task_prio+0x50/0x50
[  473.551070]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  473.556649]  ? check_preemption_disabled+0x48/0x280
[  473.561663]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  473.566506]  apic_timer_interrupt+0xf/0x20
[  473.570727]  </IRQ>
[  473.572972] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  473.578213] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec
[  473.597109] RSP: 0018:ffff8801c2d36100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  473.604837] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100385b2de6
[  473.612214] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c2d96ebc
[  473.619471] RBP: ffff8801c2d36128 R08: ffff8801c2d96f30 R09: 0000000000000006
[  473.626726] R10: 0000000000000000 R11: ffff8801c2d96640 R12: dffffc0000000000
[  473.633994] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  473.641297]  retint_kernel+0x1b/0x2d
[  473.645018] RIP: 0010:dump_stack+0x358/0x39d
[  473.649419] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  473.668307] RSP: 0018:ffff8801c2d361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  473.676007] RAX: ffff8801c2d96640 RBX: 1ffffffff12a3f76 RCX: 1ffff100385b2de6
[  473.683282] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  473.690541] RBP: ffff8801c2d36290 R08: ffff8801c2d96f30 R09: 0000000000000006
[  473.697815] R10: 0000000000000000 R11: ffff8801c2d96640 R12: 1ffff100385a6c45
[  473.705071] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  473.712359]  ? dump_stack+0x34f/0x39d
[  473.716168]  ? dump_stack_print_info.cold.1+0x20/0x20
[  473.721365]  ? mark_held_locks+0x130/0x130
[  473.725611]  ? mark_held_locks+0x130/0x130
[  473.729852]  dump_header+0x27b/0xf72
[  473.733597]  ? pagefault_out_of_memory+0x197/0x197
[  473.738573]  ? __lock_acquire+0x62f/0x4c20
[  473.742818]  ? percpu_ref_get_many+0x240/0x240
[  473.747442]  ? print_usage_bug+0xc0/0xc0
[  473.751501]  ? zap_class+0x640/0x640
[  473.755208]  ? print_usage_bug+0xc0/0xc0
[  473.759277]  ? print_usage_bug+0xc0/0xc0
[  473.763352]  ? zap_class+0x640/0x640
[  473.767084]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  473.772662]  ? find_held_lock+0x36/0x1c0
[  473.776725]  ? mark_held_locks+0xc7/0x130
[  473.780871]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  473.785986]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  473.791100]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  473.795693]  ? trace_hardirqs_on+0xbd/0x310
[  473.800008]  ? kasan_check_read+0x11/0x20
[  473.804170]  ? ___ratelimit+0x3b4/0x672
[  473.808159]  ? trace_hardirqs_off_caller+0x310/0x310
[  473.813258]  ? trace_hardirqs_on+0x310/0x310
[  473.817663]  ? lock_downgrade+0x900/0x900
[  473.821814]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  473.826944]  ? ___ratelimit+0x3b9/0x672
[  473.830943]  ? idr_get_free+0xf70/0xf70
[  473.834917]  ? find_held_lock+0x36/0x1c0
[  473.838999]  oom_kill_process.cold.27+0x10/0x903
[  473.843783]  ? zap_class+0x640/0x640
[  473.847526]  ? check_preemption_disabled+0x48/0x280
[  473.852583]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  473.857539]  ? kasan_check_read+0x11/0x20
[  473.861689]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  473.866964]  ? oom_evaluate_task+0x540/0x540
[  473.871385]  ? find_held_lock+0x36/0x1c0
[  473.875447]  ? out_of_memory+0x974/0x1430
[  473.879605]  ? lock_downgrade+0x900/0x900
[  473.883747]  ? check_preemption_disabled+0x48/0x280
[  473.888759]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  473.893714]  ? kasan_check_read+0x11/0x20
[  473.897890]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  473.903222]  ? rcu_softirq_qs+0x20/0x20
[  473.907201]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  473.912729]  ? oom_evaluate_task+0x302/0x540
[  473.917164]  out_of_memory+0xa84/0x1430
[  473.921153]  ? oom_killer_disable+0x3a0/0x3a0
[  473.925658]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  473.930590]  ? __ww_mutex_check_waiters+0x160/0x160
[  473.935607]  __alloc_pages_slowpath+0x2354/0x2e10
[  473.940468]  ? warn_alloc+0x120/0x120
[  473.944278]  ? mark_held_locks+0x130/0x130
[  473.948526]  ? find_get_entry+0xaae/0x1120
[  473.952785]  ? filemap_map_pages+0x1a20/0x1a20
[  473.957361]  ? zap_class+0x640/0x640
[  473.961089]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  473.966648]  ? check_preemption_disabled+0x48/0x280
[  473.971656]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  473.977185]  ? should_fail+0x22d/0xd01
[  473.981066]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  473.986193]  ? zap_class+0x640/0x640
[  473.989956]  ? __lock_is_held+0xb5/0x140
[  473.994037]  ? mark_held_locks+0x130/0x130
[  473.998264]  ? lock_release+0xa00/0xa00
[  474.002230]  ? perf_trace_sched_process_exec+0x860/0x860
[  474.007671]  ? xa_load+0x2ba/0x460
[  474.011205]  ? lock_downgrade+0x900/0x900
[  474.015363]  ? __might_sleep+0x95/0x190
[  474.019347]  __alloc_pages_nodemask+0xa80/0xde0
[  474.024026]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  474.029036]  ? __page_cache_alloc+0x191/0x5c0
[  474.033523]  ? xa_load+0x2e1/0x460
[  474.037076]  ? xa_clear_mark+0x40/0x40
[  474.040994]  ? zap_class+0x640/0x640
[  474.044718]  ? zap_class+0x640/0x640
[  474.048448]  ? zap_class+0x640/0x640
[  474.052182]  ? __do_page_cache_readahead+0x663/0x810
[  474.057296]  ? find_held_lock+0x36/0x1c0
[  474.061358]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  474.066898]  alloc_pages_current+0x173/0x350
[  474.071326]  __page_cache_alloc+0x38c/0x5c0
[  474.075639]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  474.080566]  ? kasan_check_read+0x11/0x20
[  474.084706]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  474.089979]  ? generic_perform_write+0x6a0/0x6a0
[  474.094740]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  474.100271]  ? check_preemption_disabled+0x48/0x280
[  474.105285]  filemap_fault+0x1595/0x25f0
[  474.109355]  ? __lock_page_or_retry+0xa00/0xa00
[  474.114035]  ? mark_held_locks+0x130/0x130
[  474.118279]  ? filemap_map_pages+0xd6b/0x1a20
[  474.122764]  ? lock_downgrade+0x900/0x900
[  474.126902]  ? check_preemption_disabled+0x48/0x280
[  474.131911]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  474.136830]  ? kasan_check_read+0x11/0x20
[  474.141013]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  474.146301]  ? rcu_softirq_qs+0x20/0x20
[  474.150281]  ? filemap_map_pages+0xd92/0x1a20
[  474.154799]  ? find_get_entries_tag+0x1400/0x1400
[  474.159632]  ? find_held_lock+0x36/0x1c0
[  474.163705]  ? lock_acquire+0x1ed/0x520
[  474.167669]  ? ext4_filemap_fault+0x7a/0xad
[  474.171991]  ? lock_release+0xa00/0xa00
[  474.175957]  ? perf_trace_sched_process_exec+0x860/0x860
[  474.181400]  ? print_usage_bug+0xc0/0xc0
[  474.185466]  ? down_read+0x8d/0x120
[  474.189111]  ? ext4_filemap_fault+0x7a/0xad
[  474.193433]  ? __down_interruptible+0x700/0x700
[  474.198138]  ? find_held_lock+0x36/0x1c0
[  474.202206]  ext4_filemap_fault+0x82/0xad
[  474.206351]  __do_fault+0x100/0x6b0
[  474.209973]  ? lock_downgrade+0x900/0x900
[  474.214157]  ? pmd_devmap_trans_unstable+0x220/0x220
[  474.219265]  ? kasan_check_read+0x11/0x20
[  474.223423]  ? do_raw_spin_unlock+0xa7/0x330
[  474.227839]  ? do_raw_spin_trylock+0x270/0x270
[  474.232432]  __handle_mm_fault+0x3ea0/0x5be0
[  474.236834]  ? perf_trace_lock+0x7a0/0x7a0
[  474.241076]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  474.245941]  ? zap_class+0x640/0x640
[  474.249650]  ? zap_class+0x640/0x640
[  474.253361]  ? __x64_sys_futex+0x53e/0x6a0
[  474.257597]  ? find_held_lock+0x36/0x1c0
[  474.261661]  ? handle_mm_fault+0x42a/0xc70
[  474.265890]  ? lock_downgrade+0x900/0x900
[  474.270060]  ? check_preemption_disabled+0x48/0x280
[  474.275107]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  474.280046]  ? kasan_check_read+0x11/0x20
[  474.284240]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  474.289525]  ? rcu_softirq_qs+0x20/0x20
[  474.293499]  ? trace_hardirqs_off_caller+0x310/0x310
[  474.298598]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  474.304132]  ? check_preemption_disabled+0x48/0x280
[  474.309152]  handle_mm_fault+0x54f/0xc70
[  474.313211]  ? __handle_mm_fault+0x5be0/0x5be0
[  474.317793]  ? find_vma+0x34/0x190
[  474.321349]  __do_page_fault+0x5e8/0xe60
[  474.325400]  ? trace_hardirqs_off+0xb8/0x310
[  474.329800]  ? kernel_write+0x120/0x120
[  474.333783]  do_page_fault+0xf2/0x7e0
[  474.337585]  ? vmalloc_sync_all+0x30/0x30
[  474.341726]  ? error_entry+0x70/0xd0
[  474.345432]  ? trace_hardirqs_off_caller+0xbb/0x310
[  474.350465]  ? trace_hardirqs_on_caller+0xc0/0x310
[  474.355392]  ? syscall_return_slowpath+0x5e0/0x5e0
[  474.360333]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  474.365231]  ? trace_hardirqs_on_caller+0x310/0x310
[  474.370253]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  474.375723]  ? prepare_exit_to_usermode+0x291/0x3b0
[  474.380731]  ? page_fault+0x8/0x30
[  474.384264]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  474.389127]  ? page_fault+0x8/0x30
[  474.392662]  page_fault+0x1e/0x30
[  474.396142] RIP: 0033:0x404068
[  474.399342] Code: Bad RIP value.
[  474.402698] RSP: 002b:000000c420024e48 EFLAGS: 00010206
[  474.408048] RAX: 000000c422dd4cc0 RBX: 000000c42875f801 RCX: 000000c424d31838
[  474.415334] RDX: 000000c422dd4cc0 RSI: 0000000000000001 RDI: 0000000000000001
[  474.422618] RBP: 000000c420024ed8 R08: 00007ffd3a9b40b0 R09: 00007ffd3a9b4080
[  474.429873] R10: 000000000000eacc R11: 0000000000000165 R12: 0000000000000001
[  474.437148] R13: 000000c4271c3620 R14: 0000000000000001 R15: 0000000000000000
[  474.444451] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #83
[  474.444504] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  474.451196] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  474.451203] Call Trace:
[  474.457771] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  474.467019]  dump_stack+0x244/0x39d
[  474.469583] syz-fuzzer cpuset=/ mems_allowed=0
[  474.479789]  ? dump_stack_print_info.cold.1+0x20/0x20
[  474.493161]  warn_alloc.cold.116+0xb7/0x1bd
[  474.497475]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  474.502311]  ? lock_downgrade+0x900/0x900
[  474.506468]  ? trace_hardirqs_off+0xb8/0x310
[  474.510885]  ? trace_hardirqs_off+0xb8/0x310
[  474.515299]  __alloc_pages_slowpath+0x26e8/0x2e10
[  474.520159]  ? warn_alloc+0x120/0x120
[  474.523950]  ? print_usage_bug+0xc0/0xc0
[  474.528004]  ? warn_alloc+0x120/0x120
[  474.531800]  ? warn_alloc+0x120/0x120
[  474.535630]  ? print_usage_bug+0xc0/0xc0
[  474.539685]  ? print_usage_bug+0xc0/0xc0
[  474.543753]  ? __lock_acquire+0x62f/0x4c20
[  474.548015]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  474.553586]  ? should_fail+0x22d/0xd01
[  474.557486]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  474.562592]  ? __lock_acquire+0x62f/0x4c20
[  474.566842]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  474.571938]  ? __lock_acquire+0x62f/0x4c20
[  474.576164]  ? should_fail+0x22d/0xd01
[  474.580042]  ? find_held_lock+0x36/0x1c0
[  474.584121]  ? mark_held_locks+0x130/0x130
[  474.588386]  ? mark_held_locks+0x130/0x130
[  474.592624]  ? zap_class+0x640/0x640
[  474.596358]  ? zap_class+0x640/0x640
[  474.600074]  ? print_usage_bug+0xc0/0xc0
[  474.604137]  ? do_raw_spin_unlock+0xa7/0x330
[  474.608548]  ? zap_class+0x640/0x640
[  474.612290]  ? print_usage_bug+0xc0/0xc0
[  474.616341]  ? wq_watchdog_touch+0x9c/0xfe
[  474.620842]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  474.626390]  ? check_preemption_disabled+0x48/0x280
[  474.631434]  ? __lock_is_held+0xb5/0x140
[  474.635504]  __alloc_pages_nodemask+0xa80/0xde0
[  474.640182]  ? zap_class+0x640/0x640
[  474.643909]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  474.648926]  ? find_held_lock+0x36/0x1c0
[  474.653023]  ? ____cache_alloc_node+0x1c7/0x1e0
[  474.657719]  ? lock_downgrade+0x900/0x900
[  474.661884]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  474.667416]  cache_grow_begin+0xa5/0x8c0
[  474.671484]  ? do_raw_spin_unlock+0xa7/0x330
[  474.675893]  fallback_alloc+0x204/0x2e0
[  474.679919]  ____cache_alloc_node+0x1c7/0x1e0
[  474.684421]  kmem_cache_alloc_node+0xe3/0x730
[  474.688910]  ? ipv6_get_ifaddr+0x42e/0x620
[  474.693144]  __alloc_skb+0x119/0x770
[  474.696860]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  474.702165]  ? netdev_alloc_frag+0x1f0/0x1f0
[  474.706584]  ? lock_downgrade+0x900/0x900
[  474.710731]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  474.716262]  ? refcount_sub_and_test_checked+0x203/0x310
[  474.721717]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  474.727203]  ? addrconf_rs_timer+0x690/0x690
[  474.731617]  ndisc_alloc_skb+0x144/0x340
[  474.735671]  ndisc_send_rs+0x331/0x6e0
[  474.739559]  addrconf_rs_timer+0x314/0x690
[  474.743789]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  474.748061]  call_timer_fn+0x272/0x920
[  474.751960]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  474.756203]  ? process_timeout+0x40/0x40
[  474.760261]  ? __run_timers+0x7da/0xc70
[  474.764249]  ? _raw_spin_unlock_irq+0x27/0x80
[  474.768739]  ? _raw_spin_unlock_irq+0x27/0x80
[  474.773228]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  474.777484]  ? lockdep_hardirqs_on+0x296/0x5b0
[  474.782060]  ? trace_hardirqs_on+0xbd/0x310
[  474.786387]  ? kasan_check_read+0x11/0x20
[  474.790525]  ? __run_timers+0x7da/0xc70
[  474.794494]  ? trace_hardirqs_off_caller+0x310/0x310
[  474.799592]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  474.803826]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  474.808048]  __run_timers+0x7e5/0xc70
[  474.811849]  ? timer_fixup_init+0x70/0x70
[  474.816006]  ? _raw_spin_unlock_irq+0x27/0x80
[  474.820492]  ? _raw_spin_unlock_irq+0x27/0x80
[  474.824975]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  474.829586]  ? trace_hardirqs_on+0xbd/0x310
[  474.833935]  ? kasan_check_read+0x11/0x20
[  474.838124]  ? finish_task_switch+0x1f4/0x910
[  474.842614]  ? trace_hardirqs_off_caller+0x310/0x310
[  474.847707]  ? compat_start_thread+0x80/0x80
[  474.852166]  ? pvclock_read_flags+0x160/0x160
[  474.856690]  ? __switch_to_asm+0x34/0x70
[  474.860743]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  474.866418]  ? check_preemption_disabled+0x48/0x280
[  474.871435]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  474.876982]  ? rcu_pm_notify+0xc0/0xc0
[  474.880863]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  474.886395]  ? check_preemption_disabled+0x48/0x280
[  474.891407]  run_timer_softirq+0x52/0xb0
[  474.895474]  ? rcu_read_lock_sched_held+0x14f/0x180
[  474.900484]  __do_softirq+0x308/0xb7e
[  474.904279]  ? trace_hardirqs_on_caller+0xc0/0x310
[  474.909214]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  474.914330]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  474.919780]  ? schedule+0x108/0x460
[  474.923427]  ? trace_hardirqs_off+0xb8/0x310
[  474.927924]  ? smpboot_thread_fn+0x68b/0xa00
[  474.932342]  ? trace_hardirqs_on+0x310/0x310
[  474.936779]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  474.942340]  ? check_preemption_disabled+0x48/0x280
[  474.947363]  ? takeover_tasklets+0xa90/0xa90
[  474.951779]  run_ksoftirqd+0x5e/0x100
[  474.955610]  smpboot_thread_fn+0x68b/0xa00
[  474.959846]  ? sort_range+0x30/0x30
[  474.963466]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  474.968581]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  474.974131]  ? __kthread_parkme+0xfb/0x1a0
[  474.978373]  ? sort_range+0x30/0x30
[  474.981989]  kthread+0x35a/0x440
[  474.985349]  ? kthread_stop+0x900/0x900
[  474.989313]  ret_from_fork+0x3a/0x50
[  474.993041] CPU: 1 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  474.993046] warn_alloc_show_mem: 1 callbacks suppressed
[  474.993052] Mem-Info:
[  474.999997] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  475.005368] active_anon:44321 inactive_anon:2061 isolated_anon:0
[  475.005368]  active_file:14 inactive_file:14 isolated_file:0
[  475.005368]  unevictable:0 dirty:0 writeback:0 unstable:0
[  475.005368]  slab_reclaimable:9437 slab_unreclaimable:1460937
[  475.005368]  mapped:49154 shmem:2105 pagetables:642 bounce:0
[  475.005368]  free:13638 free_pcp:328 free_cma:0
[  475.007740] Call Trace:
[  475.017117] Node 0 active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8420kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  475.050143]  <IRQ>
[  475.052719] 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
[  475.080287]  dump_stack+0x244/0x39d
[  475.082425] lowmem_reserve[]: 0 2818 6321 6321
[  475.108537]  ? dump_stack_print_info.cold.1+0x20/0x20
[  475.112214] Node 0 DMA32 free:24708kB 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
[  475.116789]  warn_alloc.cold.116+0xb7/0x1bd
[  475.121942] lowmem_reserve[]: 0 0 3503 3503
[  475.149438]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  475.153727] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2568kB bounce:0kB free_pcp:1064kB local_pcp:692kB free_cma:0kB
[  475.158072]  ? lock_downgrade+0x900/0x900
[  475.162904] lowmem_reserve[]: 0 0 0 0
[  475.191953]  ? trace_hardirqs_off+0xb8/0x310
[  475.196083] 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
[  475.199887]  ? trace_hardirqs_off+0xb8/0x310
[  475.204309] Node 0 DMA32: 5*4kB (UM) 2*8kB (MH) 2*16kB (MH) 4*32kB (MH) 3*64kB (M) 2*128kB (M) 4*256kB (UMH) 3*512kB (UM) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24708kB
[  475.217823]  __alloc_pages_slowpath+0x26e8/0x2e10
[  475.222230] Node 0 Normal: 930*4kB (MEH) 535*8kB (UMEH) 215*16kB (UME) 80*32kB (UMH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  475.237771]  ? warn_alloc+0x120/0x120
[  475.242592] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  475.256362]  ? warn_alloc+0x120/0x120
[  475.260139] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  475.268963]  ? warn_alloc+0x120/0x120
[  475.272745] 2133 total pagecache pages
[  475.281311]  ? print_usage_bug+0xc0/0xc0
[  475.285105] 0 pages in swap cache
[  475.288989]  ? print_usage_bug+0xc0/0xc0
[  475.293061] Swap cache stats: add 0, delete 0, find 0/0
[  475.296515]  ? find_held_lock+0x36/0x1c0
[  475.300544] Free swap  = 0kB
[  475.305898]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  475.309929] Total swap = 0kB
[  475.312932]  ? should_fail+0x22d/0xd01
[  475.318440] 1965979 pages RAM
[  475.321445]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  475.325306] 0 pages HighMem/MovableOnly
[  475.328430]  ? __lock_acquire+0x62f/0x4c20
[  475.333505] 342853 pages reserved
[  475.337463]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  475.341665] 0 pages cma reserved
[  475.341714] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  475.345137]  ? should_fail+0x22d/0xd01
[  475.345161]  ? mark_held_locks+0x130/0x130
[  475.345192]  ? mark_held_locks+0x130/0x130
[  475.350329] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  475.353647]  ? print_usage_bug+0xc0/0xc0
[  475.360114] ksoftirqd/0 cpuset=/ mems_allowed=0
[  475.363997]  ? find_held_lock+0x36/0x1c0
[  475.395498]  ? zap_class+0x640/0x640
[  475.399213]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  475.404742]  ? check_preemption_disabled+0x48/0x280
[  475.409763]  ? __lock_is_held+0xb5/0x140
[  475.413822]  __alloc_pages_nodemask+0xa80/0xde0
[  475.418483]  ? zap_class+0x640/0x640
[  475.422195]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  475.427229]  ? find_held_lock+0x36/0x1c0
[  475.431305]  ? ____cache_alloc_node+0x1c7/0x1e0
[  475.435972]  ? lock_downgrade+0x900/0x900
[  475.440128]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  475.445680]  cache_grow_begin+0xa5/0x8c0
[  475.449736]  ? do_raw_spin_unlock+0xa7/0x330
[  475.454145]  fallback_alloc+0x204/0x2e0
[  475.458138]  ____cache_alloc_node+0x1c7/0x1e0
[  475.462666]  kmem_cache_alloc_node+0xe3/0x730
[  475.467174]  ? mark_held_locks+0xc7/0x130
[  475.471328]  __alloc_skb+0x119/0x770
[  475.475075]  ? netdev_alloc_frag+0x1f0/0x1f0
[  475.479509]  ? do_raw_spin_trylock+0x270/0x270
[  475.484108]  ? kmem_cache_alloc_trace+0x353/0x750
[  475.488945]  ? queue_work_on+0x12c/0x1e0
[  475.493005]  ? switchdev_port_obj_del+0xdc/0x440
[  475.497757]  ? switchdev_trans_item_enqueue+0x260/0x260
[  475.503112]  ? mod_timer+0x631/0x1560
[  475.506917]  ? wake_up_klogd+0x180/0x180
[  475.510988]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  475.516034]  __br_mdb_notify+0x4ff/0x15d0
[  475.520197]  ? __br_mdb_add+0x7f0/0x7f0
[  475.524178]  ? zap_class+0x640/0x640
[  475.527910]  ? br_multicast_group_expired+0x96/0x610
[  475.533013]  br_mdb_notify+0x310/0x410
[  475.536896]  ? br_mdb_dump+0x27b0/0x27b0
[  475.540960]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  475.546505]  br_multicast_group_expired+0x1bc/0x610
[  475.551532]  ? br_mdb_free+0x80/0x80
[  475.555273]  call_timer_fn+0x272/0x920
[  475.559152]  ? br_mdb_free+0x80/0x80
[  475.562857]  ? process_timeout+0x40/0x40
[  475.566931]  ? mark_held_locks+0xc7/0x130
[  475.571072]  ? _raw_spin_unlock_irq+0x27/0x80
[  475.575572]  ? _raw_spin_unlock_irq+0x27/0x80
[  475.580061]  ? br_mdb_free+0x80/0x80
[  475.583769]  ? lockdep_hardirqs_on+0x296/0x5b0
[  475.588344]  ? trace_hardirqs_on+0xbd/0x310
[  475.592655]  ? kasan_check_read+0x11/0x20
[  475.596817]  ? __run_timers+0x7da/0xc70
[  475.600802]  ? trace_hardirqs_off_caller+0x310/0x310
[  475.605915]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  475.610176]  ? br_mdb_free+0x80/0x80
[  475.613899]  __run_timers+0x7e5/0xc70
[  475.617712]  ? timer_fixup_init+0x70/0x70
[  475.621855]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  475.626861]  ? zap_class+0x640/0x640
[  475.630586]  ? print_usage_bug+0xc0/0xc0
[  475.634638]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  475.639852]  ? find_held_lock+0x36/0x1c0
[  475.643906]  ? zap_class+0x640/0x640
[  475.647628]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  475.653174]  ? check_preemption_disabled+0x48/0x280
[  475.658207]  ? __lock_is_held+0xb5/0x140
[  475.662259]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  475.667788]  ? check_preemption_disabled+0x48/0x280
[  475.672816]  run_timer_softirq+0x52/0xb0
[  475.676873]  ? rcu_read_lock_sched_held+0x14f/0x180
[  475.681892]  __do_softirq+0x308/0xb7e
[  475.685685]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  475.690170]  ? lock_downgrade+0x900/0x900
[  475.694367]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  475.699485]  ? pvclock_read_flags+0x160/0x160
[  475.703972]  ? lapic_next_event+0x5a/0x90
[  475.708109]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  475.713641]  ? kvm_clock_read+0x18/0x30
[  475.717616]  ? kvm_sched_clock_read+0x9/0x20
[  475.722023]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  475.727550]  ? check_preemption_disabled+0x48/0x280
[  475.732608]  irq_exit+0x17f/0x1c0
[  475.736088]  smp_apic_timer_interrupt+0x1cb/0x760
[  475.740933]  ? smp_reschedule_interrupt+0x109/0x650
[  475.745943]  ? smp_call_function_single_interrupt+0x650/0x650
[  475.751823]  ? interrupt_entry+0xb5/0xc0
[  475.755881]  ? trace_hardirqs_off_caller+0xbb/0x310
[  475.760910]  ? trace_hardirqs_off_caller+0xbb/0x310
[  475.765945]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  475.770795]  ? trace_hardirqs_on_caller+0x310/0x310
[  475.775807]  ? trace_hardirqs_on_caller+0x310/0x310
[  475.780838]  ? task_prio+0x50/0x50
[  475.784378]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  475.789920]  ? check_preemption_disabled+0x48/0x280
[  475.794965]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  475.799810]  apic_timer_interrupt+0xf/0x20
[  475.804050]  </IRQ>
[  475.806284] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  475.811469] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec
[  475.830628] RSP: 0018:ffff8801c2d36100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  475.838335] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100385b2de6
[  475.845602] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c2d96ebc
[  475.852862] RBP: ffff8801c2d36128 R08: ffff8801c2d96f30 R09: 0000000000000006
[  475.860118] R10: 0000000000000000 R11: ffff8801c2d96640 R12: dffffc0000000000
[  475.867374] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  475.874672]  retint_kernel+0x1b/0x2d
[  475.878378] RIP: 0010:dump_stack+0x358/0x39d
[  475.882775] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  475.901665] RSP: 0018:ffff8801c2d361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  475.909374] RAX: ffff8801c2d96640 RBX: 1ffffffff12a3f76 RCX: 1ffff100385b2de6
[  475.916632] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  475.923893] RBP: ffff8801c2d36290 R08: ffff8801c2d96f30 R09: 0000000000000006
[  475.931147] R10: 0000000000000000 R11: ffff8801c2d96640 R12: 1ffff100385a6c45
[  475.938405] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  475.945696]  ? dump_stack+0x34f/0x39d
[  475.949543]  ? dump_stack_print_info.cold.1+0x20/0x20
[  475.954756]  ? mark_held_locks+0x130/0x130
[  475.959022]  ? mark_held_locks+0x130/0x130
[  475.963250]  dump_header+0x27b/0xf72
[  475.966962]  ? pagefault_out_of_memory+0x197/0x197
[  475.971887]  ? __lock_acquire+0x62f/0x4c20
[  475.976113]  ? percpu_ref_get_many+0x240/0x240
[  475.980692]  ? print_usage_bug+0xc0/0xc0
[  475.984780]  ? zap_class+0x640/0x640
[  475.988523]  ? print_usage_bug+0xc0/0xc0
[  475.992595]  ? print_usage_bug+0xc0/0xc0
[  475.996671]  ? zap_class+0x640/0x640
[  476.000378]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  476.005918]  ? find_held_lock+0x36/0x1c0
[  476.010023]  ? mark_held_locks+0xc7/0x130
[  476.014182]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  476.019295]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  476.024402]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  476.028999]  ? trace_hardirqs_on+0xbd/0x310
[  476.033327]  ? kasan_check_read+0x11/0x20
[  476.037577]  ? ___ratelimit+0x3b4/0x672
[  476.041593]  ? trace_hardirqs_off_caller+0x310/0x310
[  476.046698]  ? trace_hardirqs_on+0x310/0x310
[  476.051127]  ? lock_downgrade+0x900/0x900
[  476.055278]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  476.060378]  ? ___ratelimit+0x3b9/0x672
[  476.064351]  ? idr_get_free+0xf70/0xf70
[  476.068354]  ? find_held_lock+0x36/0x1c0
[  476.072425]  oom_kill_process.cold.27+0x10/0x903
[  476.077189]  ? zap_class+0x640/0x640
[  476.080920]  ? check_preemption_disabled+0x48/0x280
[  476.085939]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  476.090864]  ? kasan_check_read+0x11/0x20
[  476.095036]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  476.100331]  ? oom_evaluate_task+0x540/0x540
[  476.104768]  ? find_held_lock+0x36/0x1c0
[  476.108829]  ? out_of_memory+0x974/0x1430
[  476.112971]  ? lock_downgrade+0x900/0x900
[  476.117129]  ? check_preemption_disabled+0x48/0x280
[  476.122160]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  476.127080]  ? kasan_check_read+0x11/0x20
[  476.131218]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  476.136494]  ? rcu_softirq_qs+0x20/0x20
[  476.140469]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  476.146003]  ? oom_evaluate_task+0x302/0x540
[  476.150411]  out_of_memory+0xa84/0x1430
[  476.154386]  ? oom_killer_disable+0x3a0/0x3a0
[  476.158875]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  476.163800]  ? __ww_mutex_check_waiters+0x160/0x160
[  476.168823]  __alloc_pages_slowpath+0x2354/0x2e10
[  476.173782]  ? warn_alloc+0x120/0x120
[  476.177594]  ? mark_held_locks+0x130/0x130
[  476.181874]  ? find_get_entry+0xaae/0x1120
[  476.186111]  ? filemap_map_pages+0x1a20/0x1a20
[  476.190693]  ? zap_class+0x640/0x640
[  476.194405]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  476.199947]  ? check_preemption_disabled+0x48/0x280
[  476.204958]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  476.210490]  ? should_fail+0x22d/0xd01
[  476.214374]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  476.219538]  ? zap_class+0x640/0x640
[  476.223273]  ? __lock_is_held+0xb5/0x140
[  476.227336]  ? mark_held_locks+0x130/0x130
[  476.231571]  ? lock_release+0xa00/0xa00
[  476.235563]  ? perf_trace_sched_process_exec+0x860/0x860
[  476.241008]  ? xa_load+0x2ba/0x460
[  476.244546]  ? lock_downgrade+0x900/0x900
[  476.248766]  ? __might_sleep+0x95/0x190
[  476.252742]  __alloc_pages_nodemask+0xa80/0xde0
[  476.257431]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  476.262445]  ? __page_cache_alloc+0x191/0x5c0
[  476.266938]  ? xa_load+0x2e1/0x460
[  476.270477]  ? xa_clear_mark+0x40/0x40
[  476.274364]  ? zap_class+0x640/0x640
[  476.278098]  ? zap_class+0x640/0x640
[  476.281835]  ? zap_class+0x640/0x640
[  476.285583]  ? __do_page_cache_readahead+0x663/0x810
[  476.290684]  ? find_held_lock+0x36/0x1c0
[  476.294766]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  476.300321]  alloc_pages_current+0x173/0x350
[  476.304754]  __page_cache_alloc+0x38c/0x5c0
[  476.309101]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  476.314024]  ? kasan_check_read+0x11/0x20
[  476.318165]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  476.323439]  ? generic_perform_write+0x6a0/0x6a0
[  476.328193]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  476.333723]  ? check_preemption_disabled+0x48/0x280
[  476.338740]  filemap_fault+0x1595/0x25f0
[  476.342815]  ? __lock_page_or_retry+0xa00/0xa00
[  476.347485]  ? mark_held_locks+0x130/0x130
[  476.351725]  ? filemap_map_pages+0xd6b/0x1a20
[  476.356231]  ? lock_downgrade+0x900/0x900
[  476.360384]  ? check_preemption_disabled+0x48/0x280
[  476.365408]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  476.370332]  ? kasan_check_read+0x11/0x20
[  476.374518]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  476.379786]  ? rcu_softirq_qs+0x20/0x20
[  476.383767]  ? filemap_map_pages+0xd92/0x1a20
[  476.388269]  ? find_get_entries_tag+0x1400/0x1400
[  476.393141]  ? find_held_lock+0x36/0x1c0
[  476.397246]  ? lock_acquire+0x1ed/0x520
[  476.401224]  ? ext4_filemap_fault+0x7a/0xad
[  476.405544]  ? lock_release+0xa00/0xa00
[  476.409518]  ? perf_trace_sched_process_exec+0x860/0x860
[  476.415126]  ? print_usage_bug+0xc0/0xc0
[  476.419214]  ? down_read+0x8d/0x120
[  476.422833]  ? ext4_filemap_fault+0x7a/0xad
[  476.427148]  ? __down_interruptible+0x700/0x700
[  476.431813]  ? find_held_lock+0x36/0x1c0
[  476.435884]  ext4_filemap_fault+0x82/0xad
[  476.440027]  __do_fault+0x100/0x6b0
[  476.443704]  ? lock_downgrade+0x900/0x900
[  476.447883]  ? pmd_devmap_trans_unstable+0x220/0x220
[  476.452986]  ? kasan_check_read+0x11/0x20
[  476.457192]  ? do_raw_spin_unlock+0xa7/0x330
[  476.461610]  ? do_raw_spin_trylock+0x270/0x270
[  476.466206]  __handle_mm_fault+0x3ea0/0x5be0
[  476.470617]  ? perf_trace_lock+0x7a0/0x7a0
[  476.474854]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  476.479711]  ? zap_class+0x640/0x640
[  476.483421]  ? zap_class+0x640/0x640
[  476.487127]  ? __x64_sys_futex+0x53e/0x6a0
[  476.491359]  ? find_held_lock+0x36/0x1c0
[  476.495439]  ? handle_mm_fault+0x42a/0xc70
[  476.499674]  ? lock_downgrade+0x900/0x900
[  476.503815]  ? check_preemption_disabled+0x48/0x280
[  476.508866]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  476.513789]  ? kasan_check_read+0x11/0x20
[  476.518188]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  476.523455]  ? rcu_softirq_qs+0x20/0x20
[  476.527419]  ? trace_hardirqs_off_caller+0x310/0x310
[  476.532513]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  476.538046]  ? check_preemption_disabled+0x48/0x280
[  476.543061]  handle_mm_fault+0x54f/0xc70
[  476.547124]  ? __handle_mm_fault+0x5be0/0x5be0
[  476.551703]  ? find_vma+0x34/0x190
[  476.555239]  __do_page_fault+0x5e8/0xe60
[  476.559290]  ? trace_hardirqs_off+0xb8/0x310
[  476.563706]  ? kernel_write+0x120/0x120
[  476.567714]  do_page_fault+0xf2/0x7e0
[  476.571511]  ? vmalloc_sync_all+0x30/0x30
[  476.575683]  ? error_entry+0x70/0xd0
[  476.579424]  ? trace_hardirqs_off_caller+0xbb/0x310
[  476.584452]  ? trace_hardirqs_on_caller+0xc0/0x310
[  476.589376]  ? syscall_return_slowpath+0x5e0/0x5e0
[  476.594296]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  476.599138]  ? trace_hardirqs_on_caller+0x310/0x310
[  476.604149]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  476.609632]  ? prepare_exit_to_usermode+0x291/0x3b0
[  476.614658]  ? page_fault+0x8/0x30
[  476.618198]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  476.623157]  ? page_fault+0x8/0x30
[  476.626692]  page_fault+0x1e/0x30
[  476.630167] RIP: 0033:0x404068
[  476.633380] Code: Bad RIP value.
[  476.636736] RSP: 002b:000000c420024e48 EFLAGS: 00010206
[  476.642126] RAX: 000000c422dd4cc0 RBX: 000000c42875f801 RCX: 000000c424d31838
[  476.649468] RDX: 000000c422dd4cc0 RSI: 0000000000000001 RDI: 0000000000000001
[  476.656743] RBP: 000000c420024ed8 R08: 00007ffd3a9b40b0 R09: 00007ffd3a9b4080
[  476.664057] R10: 000000000000eacc R11: 0000000000000165 R12: 0000000000000001
[  476.671337] R13: 000000c4271c3620 R14: 0000000000000001 R15: 0000000000000000
[  476.678668] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #83
[  476.678821] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  476.685483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  476.695702] syz-fuzzer cpuset=/ mems_allowed=0
[  476.705034] Call Trace:
[  476.712183]  dump_stack+0x244/0x39d
[  476.715809]  ? dump_stack_print_info.cold.1+0x20/0x20
[  476.721008]  warn_alloc.cold.116+0xb7/0x1bd
[  476.725323]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  476.730160]  ? lock_downgrade+0x900/0x900
[  476.734308]  ? trace_hardirqs_off+0xb8/0x310
[  476.738720]  ? trace_hardirqs_off+0xb8/0x310
[  476.743156]  __alloc_pages_slowpath+0x26e8/0x2e10
[  476.748051]  ? warn_alloc+0x120/0x120
[  476.752078]  ? print_usage_bug+0xc0/0xc0
[  476.756167]  ? warn_alloc+0x120/0x120
[  476.759982]  ? warn_alloc+0x120/0x120
[  476.763794]  ? print_usage_bug+0xc0/0xc0
[  476.767865]  ? print_usage_bug+0xc0/0xc0
[  476.771925]  ? __lock_acquire+0x62f/0x4c20
[  476.776156]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  476.781696]  ? should_fail+0x22d/0xd01
[  476.785597]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  476.790711]  ? __lock_acquire+0x62f/0x4c20
[  476.794948]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  476.800091]  ? __lock_acquire+0x62f/0x4c20
[  476.804346]  ? should_fail+0x22d/0xd01
[  476.808226]  ? find_held_lock+0x36/0x1c0
[  476.812286]  ? mark_held_locks+0x130/0x130
[  476.816519]  ? mark_held_locks+0x130/0x130
[  476.820744]  ? zap_class+0x640/0x640
[  476.824463]  ? zap_class+0x640/0x640
[  476.828190]  ? print_usage_bug+0xc0/0xc0
[  476.832275]  ? do_raw_spin_unlock+0xa7/0x330
[  476.836690]  ? zap_class+0x640/0x640
[  476.840398]  ? print_usage_bug+0xc0/0xc0
[  476.844447]  ? wq_watchdog_touch+0x9c/0xfe
[  476.848691]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  476.854251]  ? check_preemption_disabled+0x48/0x280
[  476.859283]  ? __lock_is_held+0xb5/0x140
[  476.863392]  __alloc_pages_nodemask+0xa80/0xde0
[  476.868079]  ? zap_class+0x640/0x640
[  476.871824]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  476.876846]  ? find_held_lock+0x36/0x1c0
[  476.880942]  ? ____cache_alloc_node+0x1c7/0x1e0
[  476.885603]  ? lock_downgrade+0x900/0x900
[  476.889776]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  476.895312]  cache_grow_begin+0xa5/0x8c0
[  476.899377]  ? do_raw_spin_unlock+0xa7/0x330
[  476.903788]  fallback_alloc+0x204/0x2e0
[  476.907785]  ____cache_alloc_node+0x1c7/0x1e0
[  476.912275]  kmem_cache_alloc_node+0xe3/0x730
[  476.916773]  ? ipv6_get_ifaddr+0x42e/0x620
[  476.921049]  __alloc_skb+0x119/0x770
[  476.924758]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  476.930070]  ? netdev_alloc_frag+0x1f0/0x1f0
[  476.934511]  ? lock_downgrade+0x900/0x900
[  476.938684]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  476.944213]  ? refcount_sub_and_test_checked+0x203/0x310
[  476.949676]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  476.955152]  ? addrconf_rs_timer+0x690/0x690
[  476.959587]  ndisc_alloc_skb+0x144/0x340
[  476.963646]  ndisc_send_rs+0x331/0x6e0
[  476.967587]  addrconf_rs_timer+0x314/0x690
[  476.971827]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  476.976065]  call_timer_fn+0x272/0x920
[  476.979944]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  476.984189]  ? process_timeout+0x40/0x40
[  476.988263]  ? __run_timers+0x7da/0xc70
[  476.992227]  ? _raw_spin_unlock_irq+0x27/0x80
[  476.996710]  ? _raw_spin_unlock_irq+0x27/0x80
[  477.001195]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  477.005419]  ? lockdep_hardirqs_on+0x296/0x5b0
[  477.009993]  ? trace_hardirqs_on+0xbd/0x310
[  477.014305]  ? kasan_check_read+0x11/0x20
[  477.018460]  ? __run_timers+0x7da/0xc70
[  477.022452]  ? trace_hardirqs_off_caller+0x310/0x310
[  477.027549]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  477.031803]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  477.036050]  __run_timers+0x7e5/0xc70
[  477.039858]  ? timer_fixup_init+0x70/0x70
[  477.043999]  ? _raw_spin_unlock_irq+0x27/0x80
[  477.048486]  ? _raw_spin_unlock_irq+0x27/0x80
[  477.052974]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  477.057590]  ? trace_hardirqs_on+0xbd/0x310
[  477.061916]  ? kasan_check_read+0x11/0x20
[  477.066059]  ? finish_task_switch+0x1f4/0x910
[  477.070547]  ? trace_hardirqs_off_caller+0x310/0x310
[  477.075654]  ? compat_start_thread+0x80/0x80
[  477.080076]  ? pvclock_read_flags+0x160/0x160
[  477.084571]  ? __switch_to_asm+0x34/0x70
[  477.088630]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  477.094168]  ? check_preemption_disabled+0x48/0x280
[  477.099216]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  477.104760]  ? rcu_pm_notify+0xc0/0xc0
[  477.108641]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  477.114170]  ? check_preemption_disabled+0x48/0x280
[  477.119198]  run_timer_softirq+0x52/0xb0
[  477.123252]  ? rcu_read_lock_sched_held+0x14f/0x180
[  477.128309]  __do_softirq+0x308/0xb7e
[  477.132139]  ? trace_hardirqs_on_caller+0xc0/0x310
[  477.137094]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  477.142209]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  477.147660]  ? schedule+0x108/0x460
[  477.151302]  ? trace_hardirqs_off+0xb8/0x310
[  477.155708]  ? smpboot_thread_fn+0x68b/0xa00
[  477.160132]  ? trace_hardirqs_on+0x310/0x310
[  477.164534]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  477.170071]  ? check_preemption_disabled+0x48/0x280
[  477.175083]  ? takeover_tasklets+0xa90/0xa90
[  477.179506]  run_ksoftirqd+0x5e/0x100
[  477.183344]  smpboot_thread_fn+0x68b/0xa00
[  477.187580]  ? sort_range+0x30/0x30
[  477.191200]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  477.196302]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  477.201841]  ? __kthread_parkme+0xfb/0x1a0
[  477.206117]  ? sort_range+0x30/0x30
[  477.209783]  kthread+0x35a/0x440
[  477.213162]  ? kthread_stop+0x900/0x900
[  477.217131]  ret_from_fork+0x3a/0x50
[  477.220858] CPU: 1 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  477.220863] warn_alloc_show_mem: 1 callbacks suppressed
[  477.220869] Mem-Info:
[  477.227796] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  477.233157] active_anon:44321 inactive_anon:2061 isolated_anon:0
[  477.233157]  active_file:14 inactive_file:14 isolated_file:0
[  477.233157]  unevictable:0 dirty:0 writeback:0 unstable:0
[  477.233157]  slab_reclaimable:9437 slab_unreclaimable:1460937
[  477.233157]  mapped:49154 shmem:2105 pagetables:642 bounce:0
[  477.233157]  free:13638 free_pcp:328 free_cma:0
[  477.235527] Call Trace:
[  477.244942] Node 0 active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:8420kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  477.277955]  <IRQ>
[  477.280522] 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
[  477.308097]  dump_stack+0x244/0x39d
[  477.310221] lowmem_reserve[]: 0 2818 6321 6321
[  477.336327]  ? dump_stack_print_info.cold.1+0x20/0x20
[  477.339918] Node 0 DMA32 free:24708kB 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
[  477.344491]  warn_alloc.cold.116+0xb7/0x1bd
[  477.349648] lowmem_reserve[]: 0 0 3503 3503
[  477.377140]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  477.381433] Node 0 Normal free:13936kB min:37364kB low:46704kB high:56044kB active_anon:177284kB inactive_anon:8244kB active_file:56kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6880kB pagetables:2568kB bounce:0kB free_pcp:1064kB local_pcp:692kB free_cma:0kB
[  477.385748]  ? lock_downgrade+0x900/0x900
[  477.390566] lowmem_reserve[]: 0 0 0 0
[  477.419618]  ? trace_hardirqs_off+0xb8/0x310
[  477.423746] 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
[  477.427536]  ? trace_hardirqs_off+0xb8/0x310
[  477.431914] Node 0 DMA32: 5*4kB (UM) 2*8kB (MH) 2*16kB (MH) 4*32kB (MH) 3*64kB (M) 2*128kB (M) 4*256kB (UMH) 3*512kB (UM) 5*1024kB (UMH) 2*2048kB (M) 3*4096kB (M) = 24708kB
[  477.445425]  __alloc_pages_slowpath+0x26e8/0x2e10
[  477.449799] Node 0 Normal: 930*4kB (MEH) 535*8kB (UMEH) 215*16kB (UME) 80*32kB (UMH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  477.465329]  ? warn_alloc+0x120/0x120
[  477.470137] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  477.483933]  ? warn_alloc+0x120/0x120
[  477.487720] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  477.496584]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  477.500368] 2133 total pagecache pages
[  477.508923]  ? warn_alloc+0x120/0x120
[  477.513922] 0 pages in swap cache
[  477.517788]  ? print_usage_bug+0xc0/0xc0
[  477.521566] Swap cache stats: add 0, delete 0, find 0/0
[  477.525010]  ? print_usage_bug+0xc0/0xc0
[  477.529044] Free swap  = 0kB
[  477.534388]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  477.538419] Total swap = 0kB
[  477.541443]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  477.546599] 1965979 pages RAM
[  477.549600]  ? should_fail+0x22d/0xd01
[  477.555104] 0 pages HighMem/MovableOnly
[  477.555111] 342853 pages reserved
[  477.558201]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  477.562056] 0 pages cma reserved
[  477.566016]  ? __lock_acquire+0x62f/0x4c20
[  477.569478] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  477.574542]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  477.574580]  ? should_fail+0x22d/0xd01
[  477.574618]  ? mark_held_locks+0x130/0x130
[  477.578049] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  477.582200]  ? mark_held_locks+0x130/0x130
[  477.588665] ksoftirqd/0 cpuset=/ mems_allowed=0
[  477.593758]  ? print_usage_bug+0xc0/0xc0
[  477.625207]  ? find_held_lock+0x36/0x1c0
[  477.629260]  ? zap_class+0x640/0x640
[  477.632968]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  477.638499]  ? check_preemption_disabled+0x48/0x280
[  477.643517]  ? __lock_is_held+0xb5/0x140
[  477.647581]  __alloc_pages_nodemask+0xa80/0xde0
[  477.652244]  ? zap_class+0x640/0x640
[  477.655953]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  477.660974]  ? find_held_lock+0x36/0x1c0
[  477.665039]  ? ____cache_alloc_node+0x1c7/0x1e0
[  477.669703]  ? lock_downgrade+0x900/0x900
[  477.673853]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  477.679420]  cache_grow_begin+0xa5/0x8c0
[  477.683470]  ? do_raw_spin_unlock+0xa7/0x330
[  477.687876]  fallback_alloc+0x204/0x2e0
[  477.691860]  ____cache_alloc_node+0x1c7/0x1e0
[  477.696351]  kmem_cache_alloc_node+0xe3/0x730
[  477.700856]  ? mark_held_locks+0xc7/0x130
[  477.705006]  __alloc_skb+0x119/0x770
[  477.708717]  ? netdev_alloc_frag+0x1f0/0x1f0
[  477.713117]  ? do_raw_spin_trylock+0x270/0x270
[  477.717693]  ? kmem_cache_alloc_trace+0x353/0x750
[  477.722527]  ? queue_work_on+0x12c/0x1e0
[  477.726612]  ? switchdev_port_obj_del+0xdc/0x440
[  477.731396]  ? switchdev_trans_item_enqueue+0x260/0x260
[  477.736803]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  477.741833]  __br_mdb_notify+0x4ff/0x15d0
[  477.745983]  ? __br_mdb_add+0x7f0/0x7f0
[  477.749994]  ? zap_class+0x640/0x640
[  477.753727]  ? br_multicast_group_expired+0x96/0x610
[  477.758824]  ? lock_downgrade+0x900/0x900
[  477.763040]  br_mdb_notify+0x310/0x410
[  477.766959]  ? br_mdb_dump+0x27b0/0x27b0
[  477.771037]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  477.776595]  br_multicast_group_expired+0x1bc/0x610
[  477.781630]  ? br_mdb_free+0x80/0x80
[  477.785379]  call_timer_fn+0x272/0x920
[  477.789261]  ? br_mdb_free+0x80/0x80
[  477.792973]  ? process_timeout+0x40/0x40
[  477.797055]  ? mark_held_locks+0xc7/0x130
[  477.801195]  ? _raw_spin_unlock_irq+0x27/0x80
[  477.805678]  ? _raw_spin_unlock_irq+0x27/0x80
[  477.810206]  ? br_mdb_free+0x80/0x80
[  477.813911]  ? lockdep_hardirqs_on+0x296/0x5b0
[  477.818483]  ? trace_hardirqs_on+0xbd/0x310
[  477.822823]  ? kasan_check_read+0x11/0x20
[  477.826972]  ? __run_timers+0x7da/0xc70
[  477.830975]  ? trace_hardirqs_off_caller+0x310/0x310
[  477.836081]  ? br_mdb_free+0x80/0x80
[  477.839782]  __run_timers+0x7e5/0xc70
[  477.843586]  ? timer_fixup_init+0x70/0x70
[  477.847729]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  477.852761]  ? zap_class+0x640/0x640
[  477.856519]  ? print_usage_bug+0xc0/0xc0
[  477.860627]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  477.865815]  ? find_held_lock+0x36/0x1c0
[  477.869871]  ? zap_class+0x640/0x640
[  477.873616]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  477.879161]  ? check_preemption_disabled+0x48/0x280
[  477.884176]  ? __lock_is_held+0xb5/0x140
[  477.888227]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  477.893752]  ? check_preemption_disabled+0x48/0x280
[  477.898778]  run_timer_softirq+0x52/0xb0
[  477.902907]  ? rcu_read_lock_sched_held+0x14f/0x180
[  477.907931]  __do_softirq+0x308/0xb7e
[  477.911742]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  477.916242]  ? lock_downgrade+0x900/0x900
[  477.920392]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  477.925493]  ? pvclock_read_flags+0x160/0x160
[  477.929982]  ? lapic_next_event+0x5a/0x90
[  477.934124]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  477.939678]  ? kvm_clock_read+0x18/0x30
[  477.943661]  ? kvm_sched_clock_read+0x9/0x20
[  477.948066]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  477.953631]  ? check_preemption_disabled+0x48/0x280
[  477.958692]  irq_exit+0x17f/0x1c0
[  477.962154]  smp_apic_timer_interrupt+0x1cb/0x760
[  477.967005]  ? smp_reschedule_interrupt+0x109/0x650
[  477.972035]  ? smp_call_function_single_interrupt+0x650/0x650
[  477.977909]  ? interrupt_entry+0xb5/0xc0
[  477.981966]  ? trace_hardirqs_off_caller+0xbb/0x310
[  477.986973]  ? trace_hardirqs_off_caller+0xbb/0x310
[  477.992001]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  477.996852]  ? trace_hardirqs_on_caller+0x310/0x310
[  478.001871]  ? trace_hardirqs_on_caller+0x310/0x310
[  478.006886]  ? task_prio+0x50/0x50
[  478.010417]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  478.015942]  ? check_preemption_disabled+0x48/0x280
[  478.020989]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  478.025846]  apic_timer_interrupt+0xf/0x20
[  478.030063]  </IRQ>
[  478.032290] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  478.037553] Code: 00 e8 25 be 7b f9 e8 50 a3 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 5a ec 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 30 ec
[  478.056467] RSP: 0018:ffff8801c2d36100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  478.064199] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff100385b2de6
[  478.071461] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c2d96ebc
[  478.078770] RBP: ffff8801c2d36128 R08: ffff8801c2d96f30 R09: 0000000000000006
[  478.086032] R10: 0000000000000000 R11: ffff8801c2d96640 R12: dffffc0000000000
[  478.093330] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  478.100616]  retint_kernel+0x1b/0x2d
[  478.104356] RIP: 0010:dump_stack+0x358/0x39d
[  478.108827] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  478.127737] RSP: 0018:ffff8801c2d361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  478.135435] RAX: ffff8801c2d96640 RBX: 1ffffffff12a3f76 RCX: 1ffff100385b2de6
[  478.142697] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  478.149956] RBP: ffff8801c2d36290 R08: ffff8801c2d96f30 R09: 0000000000000006
[  478.157231] R10: 0000000000000000 R11: ffff8801c2d96640 R12: 1ffff100385a6c45
[  478.164490] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  478.171766]  ? dump_stack+0x34f/0x39d
[  478.175594]  ? dump_stack_print_info.cold.1+0x20/0x20
[  478.180785]  ? mark_held_locks+0x130/0x130
[  478.185049]  ? mark_held_locks+0x130/0x130
[  478.189281]  dump_header+0x27b/0xf72
[  478.193006]  ? pagefault_out_of_memory+0x197/0x197
[  478.197959]  ? __lock_acquire+0x62f/0x4c20
[  478.202191]  ? percpu_ref_get_many+0x240/0x240
[  478.206774]  ? print_usage_bug+0xc0/0xc0
[  478.210833]  ? zap_class+0x640/0x640
[  478.214561]  ? print_usage_bug+0xc0/0xc0
[  478.218975]  ? print_usage_bug+0xc0/0xc0
[  478.223032]  ? zap_class+0x640/0x640
[  478.226806]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  478.232347]  ? find_held_lock+0x36/0x1c0
[  478.236425]  ? mark_held_locks+0xc7/0x130
[  478.240573]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  478.245668]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  478.250764]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  478.255353]  ? trace_hardirqs_on+0xbd/0x310
[  478.259666]  ? kasan_check_read+0x11/0x20
[  478.263808]  ? ___ratelimit+0x3b4/0x672
[  478.267778]  ? trace_hardirqs_off_caller+0x310/0x310
[  478.272873]  ? trace_hardirqs_on+0x310/0x310
[  478.277273]  ? lock_downgrade+0x900/0x900
[  478.281416]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  478.286526]  ? ___ratelimit+0x3b9/0x672
[  478.290537]  ? idr_get_free+0xf70/0xf70
[  478.294509]  ? find_held_lock+0x36/0x1c0
[  478.298580]  oom_kill_process.cold.27+0x10/0x903
[  478.303351]  ? zap_class+0x640/0x640
[  478.307086]  ? check_preemption_disabled+0x48/0x280
[  478.312171]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  478.317126]  ? kasan_check_read+0x11/0x20
[  478.321270]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  478.326545]  ? oom_evaluate_task+0x540/0x540
[  478.330992]  ? find_held_lock+0x36/0x1c0
[  478.335080]  ? out_of_memory+0x974/0x1430
[  478.339257]  ? lock_downgrade+0x900/0x900
[  478.343400]  ? check_preemption_disabled+0x48/0x280
[  478.348429]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  478.353384]  ? kasan_check_read+0x11/0x20
[  478.357525]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  478.362799]  ? rcu_softirq_qs+0x20/0x20
[  478.366785]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  478.372312]  ? oom_evaluate_task+0x302/0x540
[  478.376728]  out_of_memory+0xa84/0x1430
[  478.380789]  ? oom_killer_disable+0x3a0/0x3a0
[  478.385301]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  478.390230]  ? __ww_mutex_check_waiters+0x160/0x160
[  478.395250]  __alloc_pages_slowpath+0x2354/0x2e10
[  478.400114]  ? warn_alloc+0x120/0x120
[  478.403925]  ? mark_held_locks+0x130/0x130
[  478.408162]  ? find_get_entry+0xaae/0x1120
[  478.412428]  ? filemap_map_pages+0x1a20/0x1a20
[  478.417018]  ? zap_class+0x640/0x640
[  478.420728]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  478.426289]  ? check_preemption_disabled+0x48/0x280
[  478.431336]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  478.436879]  ? should_fail+0x22d/0xd01
[  478.440763]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  478.445865]  ? zap_class+0x640/0x640
[  478.449602]  ? __lock_is_held+0xb5/0x140
[  478.453662]  ? mark_held_locks+0x130/0x130
[  478.457894]  ? lock_release+0xa00/0xa00
[  478.461861]  ? perf_trace_sched_process_exec+0x860/0x860
[  478.467327]  ? xa_load+0x2ba/0x460
[  478.470884]  ? lock_downgrade+0x900/0x900
[  478.475058]  ? __might_sleep+0x95/0x190
[  478.479035]  __alloc_pages_nodemask+0xa80/0xde0
[  478.483703]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  478.488717]  ? __page_cache_alloc+0x191/0x5c0
[  478.493205]  ? xa_load+0x2e1/0x460
[  478.496756]  ? xa_clear_mark+0x40/0x40
[  478.500666]  ? zap_class+0x640/0x640
[  478.504399]  ? zap_class+0x640/0x640
[  478.508116]  ? zap_class+0x640/0x640
[  478.511844]  ? __do_page_cache_readahead+0x663/0x810
[  478.516959]  ? find_held_lock+0x36/0x1c0
[  478.521029]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  478.526582]  alloc_pages_current+0x173/0x350
[  478.531005]  __page_cache_alloc+0x38c/0x5c0
[  478.535346]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  478.540273]  ? kasan_check_read+0x11/0x20
[  478.544445]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  478.549728]  ? generic_perform_write+0x6a0/0x6a0
[  478.554484]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  478.560018]  ? check_preemption_disabled+0x48/0x280
[  478.565045]  filemap_fault+0x1595/0x25f0
[  478.569125]  ? __lock_page_or_retry+0xa00/0xa00
[  478.573798]  ? mark_held_locks+0x130/0x130
[  478.578048]  ? filemap_map_pages+0xd6b/0x1a20
[  478.582571]  ? lock_downgrade+0x900/0x900
[  478.586751]  ? check_preemption_disabled+0x48/0x280
[  478.591769]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  478.596694]  ? kasan_check_read+0x11/0x20
[  478.600839]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  478.606115]  ? rcu_softirq_qs+0x20/0x20
[  478.610113]  ? filemap_map_pages+0xd92/0x1a20
[  478.614620]  ? find_get_entries_tag+0x1400/0x1400
[  478.619454]  ? find_held_lock+0x36/0x1c0
[  478.623523]  ? lock_acquire+0x1ed/0x520
[  478.627494]  ? ext4_filemap_fault+0x7a/0xad
[  478.631818]  ? lock_release+0xa00/0xa00
[  478.635787]  ? perf_trace_sched_process_exec+0x860/0x860
[  478.641240]  ? print_usage_bug+0xc0/0xc0
[  478.645345]  ? down_read+0x8d/0x120
[  478.649001]  ? ext4_filemap_fault+0x7a/0xad
[  478.653359]  ? __down_interruptible+0x700/0x700
[  478.658044]  ? find_held_lock+0x36/0x1c0
[  478.662135]  ext4_filemap_fault+0x82/0xad
[  478.666281]  __do_fault+0x100/0x6b0
[  478.669909]  ? lock_downgrade+0x900/0x900
[  478.674059]  ? pmd_devmap_trans_unstable+0x220/0x220
[  478.679179]  ? kasan_check_read+0x11/0x20
[  478.683324]  ? do_raw_spin_unlock+0xa7/0x330
[  478.687746]  ? do_raw_spin_trylock+0x270/0x270
[  478.692352]  __handle_mm_fault+0x3ea0/0x5be0
[  478.696754]  ? perf_trace_lock+0x7a0/0x7a0
[  478.700987]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  478.705843]  ? zap_class+0x640/0x640
[  478.709548]  ? zap_class+0x640/0x640
[  478.713274]  ? __x64_sys_futex+0x53e/0x6a0
[  478.717502]  ? find_held_lock+0x36/0x1c0
[  478.721587]  ? handle_mm_fault+0x42a/0xc70
[  478.725817]  ? lock_downgrade+0x900/0x900
[  478.729972]  ? check_preemption_disabled+0x48/0x280
[  478.734987]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  478.739906]  ? kasan_check_read+0x11/0x20
[  478.744045]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  478.749313]  ? rcu_softirq_qs+0x20/0x20
[  478.753803]  ? trace_hardirqs_off_caller+0x310/0x310
[  478.758917]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  478.764455]  ? check_preemption_disabled+0x48/0x280
[  478.769471]  handle_mm_fault+0x54f/0xc70
[  478.773586]  ? __handle_mm_fault+0x5be0/0x5be0
[  478.778169]  ? find_vma+0x34/0x190
[  478.781729]  __do_page_fault+0x5e8/0xe60
[  478.785781]  ? trace_hardirqs_off+0xb8/0x310
[  478.790182]  ? kernel_write+0x120/0x120
[  478.794190]  do_page_fault+0xf2/0x7e0
[  478.798033]  ? vmalloc_sync_all+0x30/0x30
[  478.802204]  ? error_entry+0x70/0xd0
[  478.805949]  ? trace_hardirqs_off_caller+0xbb/0x310
[  478.810992]  ? trace_hardirqs_on_caller+0xc0/0x310
[  478.815931]  ? syscall_return_slowpath+0x5e0/0x5e0
[  478.820852]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  478.825705]  ? trace_hardirqs_on_caller+0x310/0x310
[  478.830728]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  478.836178]  ? prepare_exit_to_usermode+0x291/0x3b0
[  478.841208]  ? page_fault+0x8/0x30
[  478.844745]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  478.849594]  ? page_fault+0x8/0x30
[  478.853146]  page_fault+0x1e/0x30
[  478.856590] RIP: 0033:0x404068
[  478.859782] Code: Bad RIP value.
[  478.863149] RSP: 002b:000000c420024e48 EFLAGS: 00010206
[  478.868508] RAX: 000000c422dd4cc0 RBX: 000000c42875f801 RCX: 000000c424d31838
[  478.875785] RDX: 000000c422dd4cc0 RSI: 0000000000000001 RDI: 0000000000000001
[  478.883072] RBP: 000000c420024ed8 R08: 00007ffd3a9b40b0 R09: 00007ffd3a9b4080
[  478.890384] R10: 000000000000eacc R11: 0000000000000165 R12: 0000000000000001
[  478.897648] R13: 000000c4271c3620 R14: 0000000000000001 R15: 0000000000000000
[  478.904939] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #83
[  478.905144] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  478.911729] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  478.921934] syz-fuzzer cpuset=/ mems_allowed=0
[  478.931286] Call Trace:
[  478.938420]  dump_stack+0x244/0x39d
[  478.942043]  ? dump_stack_print_info.cold.1+0x20/0x20
[  478.947251]  warn_alloc.cold.116+0xb7/0x1bd
[  478.951574]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  478.956425]  ? lock_downgrade+0x900/0x900
[  478.960580]  ? trace_hardirqs_off+0xb8/0x310
[  478.965027]  ? trace_hardirqs_off+0xb8/0x310
[  478.969448]  __alloc_pages_slowpath+0x26e8/0x2e10
[  478.974307]  ? warn_alloc+0x120/0x120
[  478.978103]  ? warn_alloc+0x120/0x120
[  478.981956]  ? warn_alloc+0x120/0x120
[  478.985751]  ? print_usage_bug+0xc0/0xc0
[  478.989825]  ? __alloc_pages_slowpath+0x26e8/0x2e10
[  478.994843]  ? print_usage_bug+0xc0/0xc0
[  478.998900]  ? print_usage_bug+0xc0/0xc0
[  479.002988]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  479.008517]  ? should_fail+0x22d/0xd01
[  479.012430]  ? mark_held_locks+0x130/0x130
[  479.016659]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  479.021760]  ? __lock_acquire+0x62f/0x4c20
[  479.026009]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  479.031103]  ? __lock_acquire+0x62f/0x4c20
[  479.035327]  ? should_fail+0x22d/0xd01
[  479.039212]  ? print_usage_bug+0xc0/0xc0
[  479.043288]  ? mark_held_locks+0x130/0x130
[  479.047521]  ? mark_held_locks+0x130/0x130
[  479.051757]  ? zap_class+0x640/0x640
[  479.055458]  ? ret_from_fork+0x3a/0x50
[  479.059336]  ? zap_class+0x640/0x640
[  479.063051]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  479.068597]  ? check_preemption_disabled+0x48/0x280
[  479.073622]  ? __lock_is_held+0xb5/0x140
[  479.077678]  __alloc_pages_nodemask+0xa80/0xde0
[  479.082366]  ? zap_class+0x640/0x640
[  479.086106]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  479.091135]  ? find_held_lock+0x36/0x1c0
[  479.095197]  ? ____cache_alloc_node+0x1c7/0x1e0
[  479.099861]  ? lock_downgrade+0x900/0x900
[  479.104037]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  479.109602]  cache_grow_begin+0xa5/0x8c0
[  479.113654]  ? do_raw_spin_unlock+0xa7/0x330
[  479.118062]  fallback_alloc+0x204/0x2e0
[  479.122034]  ____cache_alloc_node+0x1c7/0x1e0
[  479.126526]  kmem_cache_alloc_node+0xe3/0x730
[  479.131021]  ? mark_held_locks+0xc7/0x130
[  479.135172]  __alloc_skb+0x119/0x770
[  479.138904]  ? netdev_alloc_frag+0x1f0/0x1f0
[  479.143318]  ? do_raw_spin_trylock+0x270/0x270
[  479.147909]  ? kmem_cache_alloc_trace+0x353/0x750
[  479.152746]  ? queue_work_on+0x12c/0x1e0
[  479.156883]  ? switchdev_port_obj_del+0xdc/0x440
[  479.161662]  ? switchdev_trans_item_enqueue+0x260/0x260
[  479.167023]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  479.172052]  __br_mdb_notify+0x4ff/0x15d0
[  479.176216]  ? __br_mdb_add+0x7f0/0x7f0
[  479.180210]  ? zap_class+0x640/0x640
[  479.183981]  ? br_multicast_group_expired+0x96/0x610
[  479.189085]  br_mdb_notify+0x310/0x410
[  479.192970]  ? br_mdb_dump+0x27b0/0x27b0
[  479.197043]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  479.202588]  br_multicast_group_expired+0x1bc/0x610
[  479.207601]  ? br_mdb_free+0x80/0x80
[  479.211318]  call_timer_fn+0x272/0x920
[  479.215195]  ? br_mdb_free+0x80/0x80
[  479.218901]  ? process_timeout+0x40/0x40
[  479.222958]  ? __run_timers+0x7da/0xc70
[  479.226958]  ? _raw_spin_unlock_irq+0x27/0x80
[  479.231475]  ? _raw_spin_unlock_irq+0x27/0x80
[  479.235961]  ? br_mdb_free+0x80/0x80
[  479.239672]  ? lockdep_hardirqs_on+0x296/0x5b0
[  479.244261]  ? trace_hardirqs_on+0xbd/0x310
[  479.248577]  ? kasan_check_read+0x11/0x20
[  479.252717]  ? __run_timers+0x7da/0xc70
[  479.256720]  ? trace_hardirqs_off_caller+0x310/0x310
[  479.261833]  ? br_mdb_free+0x80/0x80
[  479.265562]  __run_timers+0x7e5/0xc70
[  479.269433]  ? timer_fixup_init+0x70/0x70
[  479.273581]  ? _raw_spin_unlock_irq+0x27/0x80
[  479.278118]  ? _raw_spin_unlock_irq+0x27/0x80
[  479.282628]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  479.287226]  ? trace_hardirqs_on+0xbd/0x310
[  479.291566]  ? kasan_check_read+0x11/0x20
[  479.295733]  ? finish_task_switch+0x1f4/0x910
[  479.300223]  ? trace_hardirqs_off_caller+0x310/0x310
[  479.305321]  ? compat_start_thread+0x80/0x80
[  479.309744]  ? pvclock_read_flags+0x160/0x160
[  479.314242]  ? __switch_to_asm+0x34/0x70
[  479.318296]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  479.323830]  ? check_preemption_disabled+0x48/0x280
[  479.328879]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  479.334416]  ? rcu_pm_notify+0xc0/0xc0
[  479.338312]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  479.343894]  ? check_preemption_disabled+0x48/0x280
[  479.348934]  run_timer_softirq+0x52/0xb0
[  479.353007]  ? rcu_read_lock_sched_held+0x14f/0x180
[  479.358047]  __do_softirq+0x308/0xb7e
[  479.361848]  ? trace_hardirqs_on_caller+0xc0/0x310
[  479.366779]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  479.371912]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  479.377380]  ? schedule+0x108/0x460
[  479.381010]  ? trace_hardirqs_off+0xb8/0x310