rq+0x27/0x80
[  343.167165]  ? _raw_spin_unlock_irq+0x27/0x80
[  343.171663]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  343.175883]  ? lockdep_hardirqs_on+0x296/0x5b0
[  343.180457]  ? trace_hardirqs_on+0xbd/0x310
[  343.184765]  ? kasan_check_read+0x11/0x20
[  343.188907]  ? __run_timers+0x7da/0xc70
[  343.192888]  ? trace_hardirqs_off_caller+0x310/0x310
[  343.197986]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  343.202217]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  343.206453]  __run_timers+0x7e5/0xc70
[  343.210248]  ? timer_fixup_init+0x70/0x70
[  343.214397]  ? _raw_spin_unlock_irq+0x27/0x80
[  343.218880]  ? _raw_spin_unlock_irq+0x27/0x80
[  343.223374]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  343.227946]  ? trace_hardirqs_on+0xbd/0x310
[  343.232272]  ? kasan_check_read+0x11/0x20
[  343.236414]  ? finish_task_switch+0x1f4/0x910
[  343.240904]  ? trace_hardirqs_off_caller+0x310/0x310
[  343.246096]  ? compat_start_thread+0x80/0x80
[  343.250520]  ? pvclock_read_flags+0x160/0x160
[  343.255009]  ? __switch_to_asm+0x34/0x70
[  343.259062]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.264599]  ? check_preemption_disabled+0x48/0x280
[  343.269611]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  343.275141]  ? rcu_pm_notify+0xc0/0xc0
[  343.279046]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.284572]  ? check_preemption_disabled+0x48/0x280
[  343.289578]  run_timer_softirq+0x52/0xb0
[  343.293627]  ? rcu_read_lock_sched_held+0x14f/0x180
[  343.298718]  __do_softirq+0x308/0xb7e
[  343.302509]  ? retint_kernel+0x2d/0x2d
[  343.306388]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  343.311580]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  343.317022]  ? rcu_irq_enter+0x18c/0x310
[  343.321077]  ? schedule+0x108/0x460
[  343.324696]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  343.329445]  ? trace_hardirqs_off+0xb8/0x310
[  343.333841]  ? smpboot_thread_fn+0x68b/0xa00
[  343.338234]  ? trace_hardirqs_on+0x310/0x310
[  343.342632]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  343.348163]  ? check_preemption_disabled+0x48/0x280
[  343.353167]  ? takeover_tasklets+0xa90/0xa90
[  343.357561]  run_ksoftirqd+0x5e/0x100
[  343.361435]  smpboot_thread_fn+0x68b/0xa00
[  343.365656]  ? sort_range+0x30/0x30
[  343.369272]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  343.374363]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  343.379887]  ? __kthread_parkme+0xfb/0x1a0
[  343.384117]  ? sort_range+0x30/0x30
[  343.387735]  kthread+0x35a/0x440
[  343.391105]  ? kthread_stop+0x900/0x900
[  343.395068]  ret_from_fork+0x3a/0x50
[  343.398789] CPU: 1 PID: 16176 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #181
[  343.398793] warn_alloc_show_mem: 1 callbacks suppressed
[  343.398798] Mem-Info:
[  343.406138] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  343.411490] active_anon:54949 inactive_anon:10067 isolated_anon:0
[  343.411490]  active_file:12 inactive_file:12 isolated_file:0
[  343.411490]  unevictable:0 dirty:0 writeback:0 unstable:0
[  343.411490]  slab_reclaimable:9454 slab_unreclaimable:1442611
[  343.411490]  mapped:40962 shmem:10230 pagetables:596 bounce:0
[  343.411490]  free:13765 free_pcp:525 free_cma:0
[  343.413854] Call Trace:
[  343.423215] Node 0 active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:40920kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 202752kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  343.456413]  <IRQ>
[  343.458969] 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
[  343.486794]  dump_stack+0x244/0x39d
[  343.488928] lowmem_reserve[]: 0 2818 6321 6321
[  343.515133]  ? dump_stack_print_info.cold.1+0x20/0x20
[  343.518730] Node 0 DMA32 free:25248kB 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:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  343.523302]  warn_alloc.cold.116+0xb7/0x1bd
[  343.528449] lowmem_reserve[]: 0 0 3503 3503
[  343.555752]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  343.560039] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2384kB bounce:0kB free_pcp:1852kB local_pcp:1500kB free_cma:0kB
[  343.564345]  ? lock_downgrade+0x900/0x900
[  343.569151] lowmem_reserve[]: 0 0 0 0
[  343.598370]  ? trace_hardirqs_off+0xb8/0x310
[  343.602483] 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
[  343.606269]  ? trace_hardirqs_off+0xb8/0x310
[  343.610640] Node 0 DMA32: 4*4kB (UM) 0*8kB 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB
[  343.624151]  __alloc_pages_slowpath+0x2651/0x2de0
[  343.628527] Node 0 Normal: 1308*4kB (ME) 392*8kB (UME) 140*16kB (ME) 47*32kB (ME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  343.643447]  ? warn_alloc+0x120/0x120
[  343.648248] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  343.662968]  ? print_usage_bug+0xc0/0xc0
[  343.666746] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  343.675558]  ? warn_alloc+0x120/0x120
[  343.679589] 10254 total pagecache pages
[  343.688155]  ? warn_alloc+0x120/0x120
[  343.691940] 0 pages in swap cache
[  343.695890]  ? print_usage_bug+0xc0/0xc0
[  343.699661] Swap cache stats: add 0, delete 0, find 0/0
[  343.703105]  ? kvm_clock_read+0x18/0x30
[  343.707130] Free swap  = 0kB
[  343.712472]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  343.716410] Total swap = 0kB
[  343.719409]  ? print_usage_bug+0xc0/0xc0
[  343.724406] 1965979 pages RAM
[  343.727407]  ? __lock_acquire+0x62f/0x4c20
[  343.731429] 0 pages HighMem/MovableOnly
[  343.731435] 342853 pages reserved
[  343.734520]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  343.738721] 0 pages cma reserved
[  343.742675]  ? should_fail+0x22d/0xd01
[  343.746190] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  343.751622]  ? __lock_acquire+0x62f/0x4c20
[  343.755024] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  343.758831]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  343.765295] ksoftirqd/0 cpuset=/ mems_allowed=0
[  343.769512]  ? __lock_acquire+0x62f/0x4c20
[  343.793730]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  343.798823]  ? __lock_acquire+0x62f/0x4c20
[  343.803046]  ? should_fail+0x22d/0xd01
[  343.806938]  ? mark_held_locks+0x130/0x130
[  343.811187]  ? mark_held_locks+0x130/0x130
[  343.815420]  ? zap_class+0x640/0x640
[  343.819120]  ? print_usage_bug+0xc0/0xc0
[  343.823192]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.828732]  ? check_preemption_disabled+0x48/0x280
[  343.833740]  ? __lock_is_held+0xb5/0x140
[  343.837796]  __alloc_pages_nodemask+0xad8/0xea0
[  343.842456]  ? zap_class+0x640/0x640
[  343.846170]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  343.851220]  ? find_held_lock+0x36/0x1c0
[  343.855298]  ? ____cache_alloc_node+0x1c7/0x1e0
[  343.859971]  ? lock_downgrade+0x900/0x900
[  343.864131]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.869664]  cache_grow_begin+0xa5/0x8c0
[  343.873715]  ? do_raw_spin_unlock+0xa7/0x330
[  343.878121]  fallback_alloc+0x204/0x2e0
[  343.882089]  ____cache_alloc_node+0x1c7/0x1e0
[  343.886585]  kmem_cache_alloc_node+0xe3/0x730
[  343.891071]  ? ipv6_get_ifaddr+0x42e/0x620
[  343.895323]  __alloc_skb+0x119/0x770
[  343.899028]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  343.904297]  ? netdev_alloc_frag+0x1f0/0x1f0
[  343.908694]  ? lock_downgrade+0x900/0x900
[  343.912833]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.918358]  ? refcount_sub_and_test_checked+0x203/0x310
[  343.923805]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  343.929252]  ? addrconf_rs_timer+0x690/0x690
[  343.933658]  ndisc_alloc_skb+0x144/0x340
[  343.937711]  ndisc_send_rs+0x331/0x6e0
[  343.941590]  addrconf_rs_timer+0x314/0x690
[  343.945818]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  343.950056]  call_timer_fn+0x272/0x920
[  343.953936]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  343.958158]  ? process_timeout+0x40/0x40
[  343.962218]  ? __run_timers+0x7da/0xc70
[  343.966185]  ? _raw_spin_unlock_irq+0x27/0x80
[  343.970665]  ? _raw_spin_unlock_irq+0x27/0x80
[  343.975145]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  343.979366]  ? lockdep_hardirqs_on+0x296/0x5b0
[  343.983934]  ? trace_hardirqs_on+0xbd/0x310
[  343.988241]  ? kasan_check_read+0x11/0x20
[  343.992374]  ? __run_timers+0x7da/0xc70
[  343.996333]  ? trace_hardirqs_off_caller+0x310/0x310
[  344.001430]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  344.005652]  __run_timers+0x7e5/0xc70
[  344.009541]  ? timer_fixup_init+0x70/0x70
[  344.013709]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  344.018714]  ? zap_class+0x640/0x640
[  344.022438]  ? enqueue_hrtimer+0x1a5/0x560
[  344.026660]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  344.031840]  ? find_held_lock+0x36/0x1c0
[  344.035892]  ? zap_class+0x640/0x640
[  344.039597]  ? pvclock_read_flags+0x160/0x160
[  344.044083]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.049609]  ? check_preemption_disabled+0x48/0x280
[  344.054620]  ? __lock_is_held+0xb5/0x140
[  344.058678]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.064205]  ? check_preemption_disabled+0x48/0x280
[  344.069224]  run_timer_softirq+0x52/0xb0
[  344.073284]  ? rcu_read_lock_sched_held+0x14f/0x180
[  344.078291]  __do_softirq+0x308/0xb7e
[  344.082082]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  344.086565]  ? lock_downgrade+0x900/0x900
[  344.090701]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  344.095815]  ? pvclock_read_flags+0x160/0x160
[  344.100298]  ? lapic_next_event+0x5a/0x90
[  344.104448]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.109973]  ? kvm_clock_read+0x18/0x30
[  344.113936]  ? kvm_sched_clock_read+0x9/0x20
[  344.118333]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.123857]  ? check_preemption_disabled+0x48/0x280
[  344.128886]  irq_exit+0x17f/0x1c0
[  344.132327]  smp_apic_timer_interrupt+0x1cb/0x760
[  344.137165]  ? smp_reschedule_interrupt+0x109/0x650
[  344.142170]  ? smp_call_function_single_interrupt+0x650/0x650
[  344.148044]  ? interrupt_entry+0xb5/0xc0
[  344.152102]  ? trace_hardirqs_off_caller+0xbb/0x310
[  344.157118]  ? trace_hardirqs_off_caller+0xbb/0x310
[  344.162148]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  344.166976]  ? trace_hardirqs_on_caller+0x310/0x310
[  344.171993]  ? trace_hardirqs_on_caller+0x310/0x310
[  344.176995]  ? task_prio+0x50/0x50
[  344.180524]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.186053]  ? check_preemption_disabled+0x48/0x280
[  344.191058]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  344.195899]  apic_timer_interrupt+0xf/0x20
[  344.200118]  </IRQ>
[  344.202351] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  344.208227] Code: 3e 7e 0f 85 32 ff ff ff e8 03 6a 3d ff e9 28 ff ff ff e8 4a 99 c2 ff 48 83 3d c2 ed 8e 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 ca 05
[  344.227138] RSP: 0018:ffff888198b071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  344.234832] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  344.242089] RDX: 0000000000000000 RSI: ffff8881bbc289c0 RDI: 0000000000000286
[  344.249347] RBP: ffff888198b07250 R08: ffff8881bbc28140 R09: 0000000000000000
[  344.256605] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800940
[  344.263862] R13: ffff8881da800940 R14: 0000000000000000 R15: 0000000000000286
[  344.271145]  ? save_stack+0xa9/0xd0
[  344.274764]  __kmalloc_node_track_caller+0x3c/0x70
[  344.279684]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  344.284429]  pskb_expand_head+0x230/0x10f0
[  344.288660]  ? memcpy+0x45/0x50
[  344.291931]  ? __copy_skb_header+0x350/0x6b0
[  344.296325]  ? skb_release_data+0x9a0/0x9a0
[  344.300633]  ? __alloc_skb+0x770/0x770
[  344.304515]  ? __lock_is_held+0xb5/0x140
[  344.308566]  ? kasan_check_write+0x14/0x20
[  344.312791]  ? __skb_clone+0x6c7/0xa00
[  344.316909]  ? __copy_skb_header+0x6b0/0x6b0
[  344.321307]  ? kmem_cache_alloc+0x33a/0x730
[  344.325626]  skb_ensure_writable+0x3dd/0x640
[  344.330031]  ? skb_checksum_setup+0xaa0/0xaa0
[  344.334517]  ? check_preemption_disabled+0x48/0x280
[  344.339526]  ? __this_cpu_preempt_check+0x1c/0x20
[  344.344356]  ? __bpf_redirect+0x55b/0xb60
[  344.348500]  bpf_clone_redirect+0x14a/0x490
[  344.352816]  bpf_prog_88483476fbe68a28+0x6f0/0x1000
[  344.357827]  ? __sched_text_start+0x8/0x8
[  344.361971]  ? find_held_lock+0x36/0x1c0
[  344.366029]  ? lock_acquire+0x1ed/0x520
[  344.369991]  ? bpf_test_run+0x3ee/0x7a0
[  344.373972]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.379497]  ? check_preemption_disabled+0x48/0x280
[  344.384517]  ? kasan_check_read+0x11/0x20
[  344.388653]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  344.393914]  ? rcu_softirq_qs+0x20/0x20
[  344.397876]  ? preempt_schedule+0x4d/0x60
[  344.402188]  ? ___preempt_schedule+0x16/0x18
[  344.406587]  ? bpf_test_run+0x271/0x7a0
[  344.410576]  ? netlink_diag_dump+0x2a0/0x2a0
[  344.414976]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  344.420501]  ? bpf_test_init.isra.10+0x70/0x100
[  344.425163]  ? bpf_prog_test_run_skb+0x762/0xd90
[  344.430019]  ? bpf_test_finish.isra.9+0x260/0x260
[  344.434852]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  344.440376]  ? fput+0x130/0x1a0
[  344.443644]  ? __bpf_prog_get+0x9b/0x290
[  344.447692]  ? bpf_test_finish.isra.9+0x260/0x260
[  344.452521]  ? __do_sys_bpf+0x1898/0x4570
[  344.456657]  ? bpf_prog_load+0x1db0/0x1db0
[  344.460880]  ? find_held_lock+0x36/0x1c0
[  344.464939]  ? __might_fault+0x12b/0x1e0
[  344.468986]  ? lock_downgrade+0x900/0x900
[  344.473127]  ? lock_release+0xa00/0xa00
[  344.477087]  ? perf_trace_sched_process_exec+0x860/0x860
[  344.482519]  ? posix_ktime_get_ts+0x15/0x20
[  344.487302]  ? trace_hardirqs_off_caller+0x310/0x310
[  344.492409]  ? kasan_check_read+0x11/0x20
[  344.496544]  ? _copy_to_user+0xc8/0x110
[  344.500513]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  344.506038]  ? put_timespec64+0x10f/0x1b0
[  344.510187]  ? nsecs_to_jiffies+0x30/0x30
[  344.514338]  ? trace_hardirqs_off_caller+0x310/0x310
[  344.519431]  ? __x64_sys_bpf+0x73/0xb0
[  344.523310]  ? do_syscall_64+0x1b9/0x820
[  344.527357]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  344.532707]  ? syscall_return_slowpath+0x5e0/0x5e0
[  344.537625]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  344.542454]  ? trace_hardirqs_on_caller+0x310/0x310
[  344.547463]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  344.552470]  ? prepare_exit_to_usermode+0x291/0x3b0
[  344.557484]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  344.562417]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  344.567891] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #181
[  344.567979] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  344.574739] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  344.574744] Call Trace:
[  344.574762]  dump_stack+0x244/0x39d
[  344.574779]  ? dump_stack_print_info.cold.1+0x20/0x20
[  344.581289] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  344.590581]  warn_alloc.cold.116+0xb7/0x1bd
[  344.593124] syz-executor0 cpuset=syz0 mems_allowed=0
[  344.596731]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  344.626550]  ? lock_downgrade+0x900/0x900
[  344.630687]  ? trace_hardirqs_off+0xb8/0x310
[  344.635085]  ? trace_hardirqs_off+0xb8/0x310
[  344.639488]  __alloc_pages_slowpath+0x2651/0x2de0
[  344.644345]  ? warn_alloc+0x120/0x120
[  344.648138]  ? print_usage_bug+0xc0/0xc0
[  344.652186]  ? warn_alloc+0x120/0x120
[  344.655974]  ? warn_alloc+0x120/0x120
[  344.659770]  ? print_usage_bug+0xc0/0xc0
[  344.663824]  ? print_usage_bug+0xc0/0xc0
[  344.667870]  ? __lock_acquire+0x62f/0x4c20
[  344.672104]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  344.677633]  ? should_fail+0x22d/0xd01
[  344.681508]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  344.686594]  ? __lock_acquire+0x62f/0x4c20
[  344.690819]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  344.695909]  ? __lock_acquire+0x62f/0x4c20
[  344.700250]  ? should_fail+0x22d/0xd01
[  344.704125]  ? find_held_lock+0x36/0x1c0
[  344.708179]  ? mark_held_locks+0x130/0x130
[  344.712403]  ? mark_held_locks+0x130/0x130
[  344.716621]  ? zap_class+0x640/0x640
[  344.720325]  ? mark_held_locks+0xc7/0x130
[  344.724457]  ? do_raw_spin_unlock+0xa7/0x330
[  344.728864]  ? zap_class+0x640/0x640
[  344.732565]  ? print_usage_bug+0xc0/0xc0
[  344.736615]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.742149]  ? check_preemption_disabled+0x48/0x280
[  344.747156]  ? __lock_is_held+0xb5/0x140
[  344.751209]  __alloc_pages_nodemask+0xad8/0xea0
[  344.755864]  ? zap_class+0x640/0x640
[  344.759569]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  344.764583]  ? find_held_lock+0x36/0x1c0
[  344.768640]  ? ____cache_alloc_node+0x1c7/0x1e0
[  344.773297]  ? lock_downgrade+0x900/0x900
[  344.777439]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.782965]  cache_grow_begin+0xa5/0x8c0
[  344.787018]  ? do_raw_spin_unlock+0xa7/0x330
[  344.791420]  fallback_alloc+0x204/0x2e0
[  344.795386]  ____cache_alloc_node+0x1c7/0x1e0
[  344.799892]  kmem_cache_alloc_node+0xe3/0x730
[  344.804377]  ? ipv6_get_ifaddr+0x42e/0x620
[  344.808609]  __alloc_skb+0x119/0x770
[  344.812322]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  344.817590]  ? netdev_alloc_frag+0x1f0/0x1f0
[  344.821988]  ? lock_downgrade+0x900/0x900
[  344.826136]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.831664]  ? refcount_sub_and_test_checked+0x203/0x310
[  344.837105]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  344.842541]  ? addrconf_rs_timer+0x690/0x690
[  344.846943]  ndisc_alloc_skb+0x144/0x340
[  344.851006]  ndisc_send_rs+0x331/0x6e0
[  344.854903]  addrconf_rs_timer+0x314/0x690
[  344.859135]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  344.863363]  call_timer_fn+0x272/0x920
[  344.867246]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  344.871568]  ? process_timeout+0x40/0x40
[  344.875633]  ? __run_timers+0x7da/0xc70
[  344.879599]  ? _raw_spin_unlock_irq+0x27/0x80
[  344.884081]  ? _raw_spin_unlock_irq+0x27/0x80
[  344.888565]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  344.892787]  ? lockdep_hardirqs_on+0x296/0x5b0
[  344.897358]  ? trace_hardirqs_on+0xbd/0x310
[  344.901668]  ? kasan_check_read+0x11/0x20
[  344.905803]  ? __run_timers+0x7da/0xc70
[  344.909767]  ? trace_hardirqs_off_caller+0x310/0x310
[  344.914861]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  344.919087]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  344.923324]  __run_timers+0x7e5/0xc70
[  344.927122]  ? timer_fixup_init+0x70/0x70
[  344.931258]  ? _raw_spin_unlock_irq+0x27/0x80
[  344.935738]  ? _raw_spin_unlock_irq+0x27/0x80
[  344.940218]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  344.944791]  ? trace_hardirqs_on+0xbd/0x310
[  344.949098]  ? kasan_check_read+0x11/0x20
[  344.953244]  ? finish_task_switch+0x1f4/0x910
[  344.957725]  ? trace_hardirqs_off_caller+0x310/0x310
[  344.962817]  ? compat_start_thread+0x80/0x80
[  344.967236]  ? pvclock_read_flags+0x160/0x160
[  344.971720]  ? __switch_to_asm+0x34/0x70
[  344.975774]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.981300]  ? check_preemption_disabled+0x48/0x280
[  344.986310]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  344.991842]  ? rcu_pm_notify+0xc0/0xc0
[  344.995717]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.001242]  ? check_preemption_disabled+0x48/0x280
[  345.006250]  run_timer_softirq+0x52/0xb0
[  345.010299]  ? rcu_read_lock_sched_held+0x14f/0x180
[  345.015308]  __do_softirq+0x308/0xb7e
[  345.019120]  ? retint_kernel+0x2d/0x2d
[  345.023004]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  345.028101]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  345.033536]  ? rcu_irq_enter+0x18c/0x310
[  345.037589]  ? schedule+0x108/0x460
[  345.041205]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  345.045958]  ? trace_hardirqs_off+0xb8/0x310
[  345.050376]  ? smpboot_thread_fn+0x68b/0xa00
[  345.054779]  ? trace_hardirqs_on+0x310/0x310
[  345.059181]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  345.064715]  ? check_preemption_disabled+0x48/0x280
[  345.069723]  ? takeover_tasklets+0xa90/0xa90
[  345.074123]  run_ksoftirqd+0x5e/0x100
[  345.077911]  smpboot_thread_fn+0x68b/0xa00
[  345.082138]  ? sort_range+0x30/0x30
[  345.085753]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  345.090842]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  345.096370]  ? __kthread_parkme+0xfb/0x1a0
[  345.100596]  ? sort_range+0x30/0x30
[  345.104230]  kthread+0x35a/0x440
[  345.107592]  ? kthread_stop+0x900/0x900
[  345.111558]  ret_from_fork+0x3a/0x50
[  345.115275] CPU: 1 PID: 16176 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #181
[  345.115278] warn_alloc_show_mem: 1 callbacks suppressed
[  345.115284] Mem-Info:
[  345.122624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  345.128009] active_anon:54949 inactive_anon:10067 isolated_anon:0
[  345.128009]  active_file:12 inactive_file:12 isolated_file:0
[  345.128009]  unevictable:0 dirty:0 writeback:0 unstable:0
[  345.128009]  slab_reclaimable:9454 slab_unreclaimable:1442611
[  345.128009]  mapped:40962 shmem:10230 pagetables:596 bounce:0
[  345.128009]  free:13765 free_pcp:525 free_cma:0
[  345.130375] Call Trace:
[  345.139753] Node 0 active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:40920kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 202752kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  345.173018]  <IRQ>
[  345.175574] 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
[  345.203399]  dump_stack+0x244/0x39d
[  345.205510] lowmem_reserve[]: 0 2818 6321 6321
[  345.231606]  ? dump_stack_print_info.cold.1+0x20/0x20
[  345.235196] Node 0 DMA32 free:25248kB 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:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  345.239769]  warn_alloc.cold.116+0xb7/0x1bd
[  345.244912] lowmem_reserve[]: 0 0 3503 3503
[  345.272222]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  345.276509] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2384kB bounce:0kB free_pcp:1852kB local_pcp:1500kB free_cma:0kB
[  345.280826]  ? lock_downgrade+0x900/0x900
[  345.285630] lowmem_reserve[]: 0 0 0 0
[  345.314947]  ? trace_hardirqs_off+0xb8/0x310
[  345.319055] 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
[  345.322844]  ? trace_hardirqs_off+0xb8/0x310
[  345.327217] Node 0 DMA32: 4*4kB (UM) 0*8kB 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB
[  345.340729]  __alloc_pages_slowpath+0x2651/0x2de0
[  345.345098] Node 0 Normal: 1308*4kB (ME) 392*8kB (UME) 140*16kB (ME) 47*32kB (ME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  345.360011]  ? warn_alloc+0x120/0x120
[  345.364806] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  345.379541]  ? print_usage_bug+0xc0/0xc0
[  345.383322] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  345.392131]  ? warn_alloc+0x120/0x120
[  345.396159] 10254 total pagecache pages
[  345.404716]  ? warn_alloc+0x120/0x120
[  345.408503] 0 pages in swap cache
[  345.412539]  ? print_usage_bug+0xc0/0xc0
[  345.416306] Swap cache stats: add 0, delete 0, find 0/0
[  345.419735]  ? print_usage_bug+0xc0/0xc0
[  345.423762] Free swap  = 0kB
[  345.429103]  ? __lock_acquire+0x62f/0x4c20
[  345.433130] Total swap = 0kB
[  345.436129]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  345.440327] 1965979 pages RAM
[  345.443325]  ? should_fail+0x22d/0xd01
[  345.448820] 0 pages HighMem/MovableOnly
[  345.448826] 342853 pages reserved
[  345.451927]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  345.455789] 0 pages cma reserved
[  345.459743]  ? __lock_acquire+0x62f/0x4c20
[  345.463225] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  345.468244]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  345.468253]  ? __lock_acquire+0x62f/0x4c20
[  345.468265]  ? should_fail+0x22d/0xd01
[  345.471651] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  345.475810]  ? find_held_lock+0x36/0x1c0
[  345.482266] ksoftirqd/0 cpuset=/ mems_allowed=0
[  345.487355]  ? mark_held_locks+0x130/0x130
[  345.518630]  ? mark_held_locks+0x130/0x130
[  345.522855]  ? zap_class+0x640/0x640
[  345.526554]  ? zap_class+0x640/0x640
[  345.530258]  ? print_usage_bug+0xc0/0xc0
[  345.534304]  ? do_raw_spin_unlock+0xa7/0x330
[  345.538701]  ? zap_class+0x640/0x640
[  345.542404]  ? print_usage_bug+0xc0/0xc0
[  345.546450]  ? wq_watchdog_touch+0x9c/0xfe
[  345.550711]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.556254]  ? check_preemption_disabled+0x48/0x280
[  345.561277]  ? __lock_is_held+0xb5/0x140
[  345.565329]  __alloc_pages_nodemask+0xad8/0xea0
[  345.569984]  ? zap_class+0x640/0x640
[  345.573692]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  345.578711]  ? find_held_lock+0x36/0x1c0
[  345.582767]  ? ____cache_alloc_node+0x1c7/0x1e0
[  345.587429]  ? lock_downgrade+0x900/0x900
[  345.591577]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.597106]  cache_grow_begin+0xa5/0x8c0
[  345.601157]  ? do_raw_spin_unlock+0xa7/0x330
[  345.605562]  fallback_alloc+0x204/0x2e0
[  345.609530]  ____cache_alloc_node+0x1c7/0x1e0
[  345.614017]  kmem_cache_alloc_node+0xe3/0x730
[  345.618498]  ? ipv6_get_ifaddr+0x42e/0x620
[  345.622729]  __alloc_skb+0x119/0x770
[  345.626427]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  345.631698]  ? netdev_alloc_frag+0x1f0/0x1f0
[  345.636090]  ? lock_downgrade+0x900/0x900
[  345.640230]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.645753]  ? refcount_sub_and_test_checked+0x203/0x310
[  345.651190]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  345.656625]  ? addrconf_rs_timer+0x690/0x690
[  345.661031]  ndisc_alloc_skb+0x144/0x340
[  345.665082]  ndisc_send_rs+0x331/0x6e0
[  345.668961]  addrconf_rs_timer+0x314/0x690
[  345.673185]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  345.677423]  call_timer_fn+0x272/0x920
[  345.681295]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  345.685514]  ? process_timeout+0x40/0x40
[  345.689660]  ? __run_timers+0x7da/0xc70
[  345.693632]  ? _raw_spin_unlock_irq+0x27/0x80
[  345.698115]  ? _raw_spin_unlock_irq+0x27/0x80
[  345.702593]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  345.706826]  ? lockdep_hardirqs_on+0x296/0x5b0
[  345.711398]  ? trace_hardirqs_on+0xbd/0x310
[  345.715705]  ? kasan_check_read+0x11/0x20
[  345.719840]  ? __run_timers+0x7da/0xc70
[  345.723805]  ? trace_hardirqs_off_caller+0x310/0x310
[  345.728896]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  345.733126]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  345.737347]  __run_timers+0x7e5/0xc70
[  345.741142]  ? timer_fixup_init+0x70/0x70
[  345.745280]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  345.750281]  ? zap_class+0x640/0x640
[  345.753984]  ? enqueue_hrtimer+0x1a5/0x560
[  345.758207]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  345.763392]  ? find_held_lock+0x36/0x1c0
[  345.767465]  ? zap_class+0x640/0x640
[  345.771169]  ? pvclock_read_flags+0x160/0x160
[  345.775651]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.781178]  ? check_preemption_disabled+0x48/0x280
[  345.786187]  ? __lock_is_held+0xb5/0x140
[  345.790235]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.795782]  ? check_preemption_disabled+0x48/0x280
[  345.800790]  run_timer_softirq+0x52/0xb0
[  345.804858]  ? rcu_read_lock_sched_held+0x14f/0x180
[  345.809862]  __do_softirq+0x308/0xb7e
[  345.813654]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  345.818136]  ? lock_downgrade+0x900/0x900
[  345.822279]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  345.827386]  ? pvclock_read_flags+0x160/0x160
[  345.831869]  ? lapic_next_event+0x5a/0x90
[  345.836003]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.841619]  ? kvm_clock_read+0x18/0x30
[  345.845580]  ? kvm_sched_clock_read+0x9/0x20
[  345.849981]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.855508]  ? check_preemption_disabled+0x48/0x280
[  345.860520]  irq_exit+0x17f/0x1c0
[  345.863963]  smp_apic_timer_interrupt+0x1cb/0x760
[  345.868791]  ? smp_reschedule_interrupt+0x109/0x650
[  345.873795]  ? smp_call_function_single_interrupt+0x650/0x650
[  345.879670]  ? interrupt_entry+0xb5/0xc0
[  345.883720]  ? trace_hardirqs_off_caller+0xbb/0x310
[  345.888723]  ? trace_hardirqs_off_caller+0xbb/0x310
[  345.893743]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  345.898573]  ? trace_hardirqs_on_caller+0x310/0x310
[  345.903578]  ? trace_hardirqs_on_caller+0x310/0x310
[  345.908581]  ? task_prio+0x50/0x50
[  345.912113]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.917639]  ? check_preemption_disabled+0x48/0x280
[  345.922650]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  345.927494]  apic_timer_interrupt+0xf/0x20
[  345.931712]  </IRQ>
[  345.933941] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  345.939913] Code: 3e 7e 0f 85 32 ff ff ff e8 03 6a 3d ff e9 28 ff ff ff e8 4a 99 c2 ff 48 83 3d c2 ed 8e 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 ca 05
[  345.958802] RSP: 0018:ffff888198b071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  345.966500] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  345.973767] RDX: 0000000000000000 RSI: ffff8881bbc289c0 RDI: 0000000000000286
[  345.981042] RBP: ffff888198b07250 R08: ffff8881bbc28140 R09: 0000000000000000
[  345.988393] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800940
[  345.995672] R13: ffff8881da800940 R14: 0000000000000000 R15: 0000000000000286
[  346.002961]  ? save_stack+0xa9/0xd0
[  346.006609]  __kmalloc_node_track_caller+0x3c/0x70
[  346.011533]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  346.016279]  pskb_expand_head+0x230/0x10f0
[  346.020505]  ? memcpy+0x45/0x50
[  346.023777]  ? __copy_skb_header+0x350/0x6b0
[  346.028179]  ? skb_release_data+0x9a0/0x9a0
[  346.032492]  ? __alloc_skb+0x770/0x770
[  346.036377]  ? __lock_is_held+0xb5/0x140
[  346.040431]  ? kasan_check_write+0x14/0x20
[  346.044661]  ? __skb_clone+0x6c7/0xa00
[  346.048543]  ? __copy_skb_header+0x6b0/0x6b0
[  346.052940]  ? kmem_cache_alloc+0x33a/0x730
[  346.057275]  skb_ensure_writable+0x3dd/0x640
[  346.061676]  ? skb_checksum_setup+0xaa0/0xaa0
[  346.066245]  ? check_preemption_disabled+0x48/0x280
[  346.071273]  ? __this_cpu_preempt_check+0x1c/0x20
[  346.076104]  ? __bpf_redirect+0x55b/0xb60
[  346.080244]  bpf_clone_redirect+0x14a/0x490
[  346.084560]  bpf_prog_88483476fbe68a28+0x6f0/0x1000
[  346.089657]  ? __sched_text_start+0x8/0x8
[  346.093802]  ? find_held_lock+0x36/0x1c0
[  346.097873]  ? lock_acquire+0x1ed/0x520
[  346.101860]  ? bpf_test_run+0x3ee/0x7a0
[  346.105915]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.111439]  ? check_preemption_disabled+0x48/0x280
[  346.116444]  ? kasan_check_read+0x11/0x20
[  346.120580]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  346.125841]  ? rcu_softirq_qs+0x20/0x20
[  346.129818]  ? preempt_schedule+0x4d/0x60
[  346.133957]  ? ___preempt_schedule+0x16/0x18
[  346.138357]  ? bpf_test_run+0x271/0x7a0
[  346.142324]  ? netlink_diag_dump+0x2a0/0x2a0
[  346.146724]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  346.152340]  ? bpf_test_init.isra.10+0x70/0x100
[  346.157002]  ? bpf_prog_test_run_skb+0x762/0xd90
[  346.161753]  ? bpf_test_finish.isra.9+0x260/0x260
[  346.166600]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  346.172121]  ? fput+0x130/0x1a0
[  346.175393]  ? __bpf_prog_get+0x9b/0x290
[  346.179445]  ? bpf_test_finish.isra.9+0x260/0x260
[  346.184286]  ? __do_sys_bpf+0x1898/0x4570
[  346.188424]  ? bpf_prog_load+0x1db0/0x1db0
[  346.192652]  ? find_held_lock+0x36/0x1c0
[  346.196712]  ? __might_fault+0x12b/0x1e0
[  346.200770]  ? lock_downgrade+0x900/0x900
[  346.204919]  ? lock_release+0xa00/0xa00
[  346.208893]  ? perf_trace_sched_process_exec+0x860/0x860
[  346.214334]  ? posix_ktime_get_ts+0x15/0x20
[  346.218653]  ? trace_hardirqs_off_caller+0x310/0x310
[  346.223761]  ? kasan_check_read+0x11/0x20
[  346.227899]  ? _copy_to_user+0xc8/0x110
[  346.231865]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  346.237396]  ? put_timespec64+0x10f/0x1b0
[  346.241530]  ? nsecs_to_jiffies+0x30/0x30
[  346.245675]  ? trace_hardirqs_off_caller+0x310/0x310
[  346.250767]  ? __x64_sys_bpf+0x73/0xb0
[  346.254645]  ? do_syscall_64+0x1b9/0x820
[  346.258692]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  346.264041]  ? syscall_return_slowpath+0x5e0/0x5e0
[  346.268968]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  346.273799]  ? trace_hardirqs_on_caller+0x310/0x310
[  346.278801]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  346.283807]  ? prepare_exit_to_usermode+0x291/0x3b0
[  346.288812]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  346.293650]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  346.299012] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #181
[  346.299075] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  346.305835] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  346.305839] Call Trace:
[  346.305854]  dump_stack+0x244/0x39d
[  346.305878]  ? dump_stack_print_info.cold.1+0x20/0x20
[  346.312474] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  346.322018]  warn_alloc.cold.116+0xb7/0x1bd
[  346.324567] syz-executor0 cpuset=syz0 mems_allowed=0
[  346.328172]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  346.358005]  ? lock_downgrade+0x900/0x900
[  346.362156]  ? trace_hardirqs_off+0xb8/0x310
[  346.366553]  ? trace_hardirqs_off+0xb8/0x310
[  346.370961]  __alloc_pages_slowpath+0x2651/0x2de0
[  346.375813]  ? warn_alloc+0x120/0x120
[  346.379606]  ? print_usage_bug+0xc0/0xc0
[  346.383653]  ? warn_alloc+0x120/0x120
[  346.387445]  ? warn_alloc+0x120/0x120
[  346.391231]  ? print_usage_bug+0xc0/0xc0
[  346.395285]  ? print_usage_bug+0xc0/0xc0
[  346.399361]  ? __lock_acquire+0x62f/0x4c20
[  346.403588]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  346.409112]  ? should_fail+0x22d/0xd01
[  346.412999]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  346.418095]  ? __lock_acquire+0x62f/0x4c20
[  346.422321]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  346.427410]  ? __lock_acquire+0x62f/0x4c20
[  346.431629]  ? should_fail+0x22d/0xd01
[  346.435500]  ? find_held_lock+0x36/0x1c0
[  346.439557]  ? mark_held_locks+0x130/0x130
[  346.443784]  ? mark_held_locks+0x130/0x130
[  346.448005]  ? zap_class+0x640/0x640
[  346.451702]  ? zap_class+0x640/0x640
[  346.455405]  ? print_usage_bug+0xc0/0xc0
[  346.459454]  ? do_raw_spin_unlock+0xa7/0x330
[  346.463853]  ? zap_class+0x640/0x640
[  346.467564]  ? print_usage_bug+0xc0/0xc0
[  346.471622]  ? wq_watchdog_touch+0x9c/0xfe
[  346.475845]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.481376]  ? check_preemption_disabled+0x48/0x280
[  346.486540]  ? __lock_is_held+0xb5/0x140
[  346.490596]  __alloc_pages_nodemask+0xad8/0xea0
[  346.495254]  ? zap_class+0x640/0x640
[  346.498965]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  346.503976]  ? find_held_lock+0x36/0x1c0
[  346.508035]  ? ____cache_alloc_node+0x1c7/0x1e0
[  346.512692]  ? lock_downgrade+0x900/0x900
[  346.516839]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.522394]  cache_grow_begin+0xa5/0x8c0
[  346.526447]  ? do_raw_spin_unlock+0xa7/0x330
[  346.530851]  fallback_alloc+0x204/0x2e0
[  346.534837]  ____cache_alloc_node+0x1c7/0x1e0
[  346.539328]  kmem_cache_alloc_node+0xe3/0x730
[  346.543843]  ? ipv6_get_ifaddr+0x42e/0x620
[  346.548082]  __alloc_skb+0x119/0x770
[  346.551790]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  346.557058]  ? netdev_alloc_frag+0x1f0/0x1f0
[  346.561452]  ? lock_downgrade+0x900/0x900
[  346.565599]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.571135]  ? refcount_sub_and_test_checked+0x203/0x310
[  346.576581]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  346.582027]  ? addrconf_rs_timer+0x690/0x690
[  346.586434]  ndisc_alloc_skb+0x144/0x340
[  346.590489]  ndisc_send_rs+0x331/0x6e0
[  346.594366]  addrconf_rs_timer+0x314/0x690
[  346.598595]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  346.602824]  call_timer_fn+0x272/0x920
[  346.606711]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  346.610934]  ? process_timeout+0x40/0x40
[  346.614986]  ? __run_timers+0x7da/0xc70
[  346.618952]  ? _raw_spin_unlock_irq+0x27/0x80
[  346.623437]  ? _raw_spin_unlock_irq+0x27/0x80
[  346.628027]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  346.632261]  ? lockdep_hardirqs_on+0x296/0x5b0
[  346.636829]  ? trace_hardirqs_on+0xbd/0x310
[  346.641142]  ? kasan_check_read+0x11/0x20
[  346.645273]  ? __run_timers+0x7da/0xc70
[  346.649233]  ? trace_hardirqs_off_caller+0x310/0x310
[  346.654325]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  346.658547]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  346.662777]  __run_timers+0x7e5/0xc70
[  346.666576]  ? timer_fixup_init+0x70/0x70
[  346.670710]  ? _raw_spin_unlock_irq+0x27/0x80
[  346.675193]  ? _raw_spin_unlock_irq+0x27/0x80
[  346.679675]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  346.684246]  ? trace_hardirqs_on+0xbd/0x310
[  346.688552]  ? kasan_check_read+0x11/0x20
[  346.692688]  ? finish_task_switch+0x1f4/0x910
[  346.697171]  ? trace_hardirqs_off_caller+0x310/0x310
[  346.702260]  ? compat_start_thread+0x80/0x80
[  346.706673]  ? pvclock_read_flags+0x160/0x160
[  346.711154]  ? __switch_to_asm+0x34/0x70
[  346.715204]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.720735]  ? check_preemption_disabled+0x48/0x280
[  346.725757]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  346.731294]  ? rcu_pm_notify+0xc0/0xc0
[  346.735170]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.740697]  ? check_preemption_disabled+0x48/0x280
[  346.745708]  run_timer_softirq+0x52/0xb0
[  346.749763]  ? rcu_read_lock_sched_held+0x14f/0x180
[  346.754772]  __do_softirq+0x308/0xb7e
[  346.758563]  ? retint_kernel+0x2d/0x2d
[  346.762442]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  346.767534]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  346.772975]  ? rcu_irq_enter+0x18c/0x310
[  346.777041]  ? schedule+0x108/0x460
[  346.780662]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  346.785415]  ? trace_hardirqs_off+0xb8/0x310
[  346.789809]  ? smpboot_thread_fn+0x68b/0xa00
[  346.794212]  ? trace_hardirqs_on+0x310/0x310
[  346.798607]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  346.804131]  ? check_preemption_disabled+0x48/0x280
[  346.809138]  ? takeover_tasklets+0xa90/0xa90
[  346.813535]  run_ksoftirqd+0x5e/0x100
[  346.817321]  smpboot_thread_fn+0x68b/0xa00
[  346.821546]  ? sort_range+0x30/0x30
[  346.825161]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  346.830250]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  346.835775]  ? __kthread_parkme+0xfb/0x1a0
[  346.840003]  ? sort_range+0x30/0x30
[  346.843619]  kthread+0x35a/0x440
[  346.846975]  ? kthread_stop+0x900/0x900
[  346.850936]  ret_from_fork+0x3a/0x50
[  346.854657] CPU: 1 PID: 16176 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #181
[  346.854661] warn_alloc_show_mem: 1 callbacks suppressed
[  346.854666] Mem-Info:
[  346.862010] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  346.867385] active_anon:54949 inactive_anon:10067 isolated_anon:0
[  346.867385]  active_file:12 inactive_file:12 isolated_file:0
[  346.867385]  unevictable:0 dirty:0 writeback:0 unstable:0
[  346.867385]  slab_reclaimable:9454 slab_unreclaimable:1442611
[  346.867385]  mapped:40962 shmem:10230 pagetables:596 bounce:0
[  346.867385]  free:13765 free_pcp:525 free_cma:0
[  346.869752] Call Trace:
[  346.879114] Node 0 active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:40920kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 202752kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  346.912296]  <IRQ>
[  346.914862] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  346.942710]  dump_stack+0x244/0x39d
[  346.944833] lowmem_reserve[]: 0 2818 6321 6321
[  346.970942]  ? dump_stack_print_info.cold.1+0x20/0x20
[  346.974552] Node 0 DMA32 free:25248kB 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:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  346.979138]  warn_alloc.cold.116+0xb7/0x1bd
[  346.984280] lowmem_reserve[]: 0 0 3503 3503
[  347.011594]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  347.015883] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2384kB bounce:0kB free_pcp:1852kB local_pcp:1500kB free_cma:0kB
[  347.020190]  ? lock_downgrade+0x900/0x900
[  347.025000] lowmem_reserve[]: 0 0 0 0
[  347.054224]  ? trace_hardirqs_off+0xb8/0x310
[  347.058333] 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
[  347.062117]  ? trace_hardirqs_off+0xb8/0x310
[  347.066491] Node 0 DMA32: 4*4kB (UM) 0*8kB 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB
[  347.080001]  __alloc_pages_slowpath+0x2651/0x2de0
[  347.084370] Node 0 Normal: 1308*4kB (ME) 392*8kB (UME) 140*16kB (ME) 47*32kB (ME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  347.099286]  ? warn_alloc+0x120/0x120
[  347.104102] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  347.118739]  ? print_usage_bug+0xc0/0xc0
[  347.122512] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  347.131323]  ? warn_alloc+0x120/0x120
[  347.135350] 10254 total pagecache pages
[  347.143905]  ? warn_alloc+0x120/0x120
[  347.147676] 0 pages in swap cache
[  347.151625]  ? print_usage_bug+0xc0/0xc0
[  347.155395] Swap cache stats: add 0, delete 0, find 0/0
[  347.158838]  ? print_usage_bug+0xc0/0xc0
[  347.162865] Free swap  = 0kB
[  347.168209]  ? __lock_acquire+0x62f/0x4c20
[  347.172233] Total swap = 0kB
[  347.175249]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  347.179448] 1965979 pages RAM
[  347.182447]  ? should_fail+0x22d/0xd01
[  347.187951] 0 pages HighMem/MovableOnly
[  347.191039]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  347.194895] 342853 pages reserved
[  347.194901] 0 pages cma reserved
[  347.198860]  ? __lock_acquire+0x62f/0x4c20
[  347.204019] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  347.207376]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  347.207396]  ? __lock_acquire+0x62f/0x4c20
[  347.207409]  ? should_fail+0x22d/0xd01
[  347.210811] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  347.214978]  ? find_held_lock+0x36/0x1c0
[  347.221443] ksoftirqd/0 cpuset=/ mems_allowed=0
[  347.226530]  ? mark_held_locks+0x130/0x130
[  347.257787]  ? mark_held_locks+0x130/0x130
[  347.262015]  ? zap_class+0x640/0x640
[  347.265721]  ? zap_class+0x640/0x640
[  347.269430]  ? print_usage_bug+0xc0/0xc0
[  347.273476]  ? do_raw_spin_unlock+0xa7/0x330
[  347.277873]  ? zap_class+0x640/0x640
[  347.281577]  ? print_usage_bug+0xc0/0xc0
[  347.285630]  ? wq_watchdog_touch+0x9c/0xfe
[  347.289870]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.295399]  ? check_preemption_disabled+0x48/0x280
[  347.300429]  ? __lock_is_held+0xb5/0x140
[  347.304479]  __alloc_pages_nodemask+0xad8/0xea0
[  347.309132]  ? zap_class+0x640/0x640
[  347.312842]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  347.317853]  ? find_held_lock+0x36/0x1c0
[  347.321911]  ? ____cache_alloc_node+0x1c7/0x1e0
[  347.326569]  ? lock_downgrade+0x900/0x900
[  347.330709]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.336237]  cache_grow_begin+0xa5/0x8c0
[  347.340286]  ? do_raw_spin_unlock+0xa7/0x330
[  347.344689]  fallback_alloc+0x204/0x2e0
[  347.348660]  ____cache_alloc_node+0x1c7/0x1e0
[  347.353165]  kmem_cache_alloc_node+0xe3/0x730
[  347.357655]  ? ipv6_get_ifaddr+0x42e/0x620
[  347.361888]  __alloc_skb+0x119/0x770
[  347.365589]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  347.370856]  ? netdev_alloc_frag+0x1f0/0x1f0
[  347.375254]  ? lock_downgrade+0x900/0x900
[  347.379400]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.384934]  ? refcount_sub_and_test_checked+0x203/0x310
[  347.390375]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  347.395817]  ? addrconf_rs_timer+0x690/0x690
[  347.400220]  ndisc_alloc_skb+0x144/0x340
[  347.404271]  ndisc_send_rs+0x331/0x6e0
[  347.408151]  addrconf_rs_timer+0x314/0x690
[  347.412381]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  347.416620]  call_timer_fn+0x272/0x920
[  347.420514]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  347.424739]  ? process_timeout+0x40/0x40
[  347.428803]  ? __run_timers+0x7da/0xc70
[  347.432773]  ? _raw_spin_unlock_irq+0x27/0x80
[  347.437261]  ? _raw_spin_unlock_irq+0x27/0x80
[  347.441744]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  347.445965]  ? lockdep_hardirqs_on+0x296/0x5b0
[  347.450539]  ? trace_hardirqs_on+0xbd/0x310
[  347.454849]  ? kasan_check_read+0x11/0x20
[  347.458984]  ? __run_timers+0x7da/0xc70
[  347.462944]  ? trace_hardirqs_off_caller+0x310/0x310
[  347.468035]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  347.472260]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  347.476479]  __run_timers+0x7e5/0xc70
[  347.480272]  ? timer_fixup_init+0x70/0x70
[  347.484407]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  347.489410]  ? zap_class+0x640/0x640
[  347.493114]  ? enqueue_hrtimer+0x1a5/0x560
[  347.497345]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  347.502525]  ? find_held_lock+0x36/0x1c0
[  347.506580]  ? zap_class+0x640/0x640
[  347.510282]  ? pvclock_read_flags+0x160/0x160
[  347.514766]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.520294]  ? check_preemption_disabled+0x48/0x280
[  347.525302]  ? __lock_is_held+0xb5/0x140
[  347.529352]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.534875]  ? check_preemption_disabled+0x48/0x280
[  347.539881]  run_timer_softirq+0x52/0xb0
[  347.543931]  ? rcu_read_lock_sched_held+0x14f/0x180
[  347.548937]  __do_softirq+0x308/0xb7e
[  347.552731]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  347.557210]  ? lock_downgrade+0x900/0x900
[  347.561347]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  347.566447]  ? pvclock_read_flags+0x160/0x160
[  347.571056]  ? lapic_next_event+0x5a/0x90
[  347.575194]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.580725]  ? kvm_clock_read+0x18/0x30
[  347.584689]  ? kvm_sched_clock_read+0x9/0x20
[  347.589083]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.594623]  ? check_preemption_disabled+0x48/0x280
[  347.599641]  irq_exit+0x17f/0x1c0
[  347.603091]  smp_apic_timer_interrupt+0x1cb/0x760
[  347.608007]  ? smp_reschedule_interrupt+0x109/0x650
[  347.613014]  ? smp_call_function_single_interrupt+0x650/0x650
[  347.618902]  ? interrupt_entry+0xb5/0xc0
[  347.622951]  ? trace_hardirqs_off_caller+0xbb/0x310
[  347.627957]  ? trace_hardirqs_off_caller+0xbb/0x310
[  347.632959]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  347.637794]  ? trace_hardirqs_on_caller+0x310/0x310
[  347.642802]  ? trace_hardirqs_on_caller+0x310/0x310
[  347.647806]  ? task_prio+0x50/0x50
[  347.651335]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.656860]  ? check_preemption_disabled+0x48/0x280
[  347.661869]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  347.666707]  apic_timer_interrupt+0xf/0x20
[  347.670924]  </IRQ>
[  347.673149] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  347.679025] Code: 3e 7e 0f 85 32 ff ff ff e8 03 6a 3d ff e9 28 ff ff ff e8 4a 99 c2 ff 48 83 3d c2 ed 8e 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 ca 05
[  347.697911] RSP: 0018:ffff888198b071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  347.705616] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  347.712872] RDX: 0000000000000000 RSI: ffff8881bbc289c0 RDI: 0000000000000286
[  347.720125] RBP: ffff888198b07250 R08: ffff8881bbc28140 R09: 0000000000000000
[  347.727377] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800940
[  347.734630] R13: ffff8881da800940 R14: 0000000000000000 R15: 0000000000000286
[  347.741911]  ? save_stack+0xa9/0xd0
[  347.745536]  __kmalloc_node_track_caller+0x3c/0x70
[  347.750457]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  347.755206]  pskb_expand_head+0x230/0x10f0
[  347.759448]  ? memcpy+0x45/0x50
[  347.762717]  ? __copy_skb_header+0x350/0x6b0
[  347.767112]  ? skb_release_data+0x9a0/0x9a0
[  347.771417]  ? __alloc_skb+0x770/0x770
[  347.775298]  ? __lock_is_held+0xb5/0x140
[  347.779348]  ? kasan_check_write+0x14/0x20
[  347.783572]  ? __skb_clone+0x6c7/0xa00
[  347.787468]  ? __copy_skb_header+0x6b0/0x6b0
[  347.791865]  ? kmem_cache_alloc+0x33a/0x730
[  347.796185]  skb_ensure_writable+0x3dd/0x640
[  347.800587]  ? skb_checksum_setup+0xaa0/0xaa0
[  347.805071]  ? check_preemption_disabled+0x48/0x280
[  347.810164]  ? __this_cpu_preempt_check+0x1c/0x20
[  347.814994]  ? __bpf_redirect+0x55b/0xb60
[  347.819135]  bpf_clone_redirect+0x14a/0x490
[  347.823448]  bpf_prog_88483476fbe68a28+0x6f0/0x1000
[  347.828452]  ? __sched_text_start+0x8/0x8
[  347.832597]  ? find_held_lock+0x36/0x1c0
[  347.836653]  ? lock_acquire+0x1ed/0x520
[  347.840620]  ? bpf_test_run+0x3ee/0x7a0
[  347.844583]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.850121]  ? check_preemption_disabled+0x48/0x280
[  347.855133]  ? kasan_check_read+0x11/0x20
[  347.859265]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  347.864539]  ? rcu_softirq_qs+0x20/0x20
[  347.868501]  ? preempt_schedule+0x4d/0x60
[  347.872642]  ? ___preempt_schedule+0x16/0x18
[  347.877040]  ? bpf_test_run+0x271/0x7a0
[  347.881012]  ? netlink_diag_dump+0x2a0/0x2a0
[  347.885408]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  347.890930]  ? bpf_test_init.isra.10+0x70/0x100
[  347.895592]  ? bpf_prog_test_run_skb+0x762/0xd90
[  347.900339]  ? bpf_test_finish.isra.9+0x260/0x260
[  347.905175]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  347.910699]  ? fput+0x130/0x1a0
[  347.913969]  ? __bpf_prog_get+0x9b/0x290
[  347.918017]  ? bpf_test_finish.isra.9+0x260/0x260
[  347.922844]  ? __do_sys_bpf+0x1898/0x4570
[  347.926980]  ? bpf_prog_load+0x1db0/0x1db0
[  347.931203]  ? find_held_lock+0x36/0x1c0
[  347.935256]  ? __might_fault+0x12b/0x1e0
[  347.939305]  ? lock_downgrade+0x900/0x900
[  347.943440]  ? lock_release+0xa00/0xa00
[  347.947402]  ? perf_trace_sched_process_exec+0x860/0x860
[  347.952840]  ? posix_ktime_get_ts+0x15/0x20
[  347.957149]  ? trace_hardirqs_off_caller+0x310/0x310
[  347.962255]  ? kasan_check_read+0x11/0x20
[  347.966388]  ? _copy_to_user+0xc8/0x110
[  347.970351]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  347.975874]  ? put_timespec64+0x10f/0x1b0
[  347.980013]  ? nsecs_to_jiffies+0x30/0x30
[  347.984162]  ? trace_hardirqs_off_caller+0x310/0x310
[  347.989254]  ? __x64_sys_bpf+0x73/0xb0
[  347.993135]  ? do_syscall_64+0x1b9/0x820
[  347.997201]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  348.002553]  ? syscall_return_slowpath+0x5e0/0x5e0
[  348.007483]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  348.012317]  ? trace_hardirqs_on_caller+0x310/0x310
[  348.017319]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  348.022327]  ? prepare_exit_to_usermode+0x291/0x3b0
[  348.027339]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  348.032188]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  348.037572] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #181
[  348.037635] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  348.044398] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  348.044402] Call Trace:
[  348.044417]  dump_stack+0x244/0x39d
[  348.044434]  ? dump_stack_print_info.cold.1+0x20/0x20
[  348.050953] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  348.060238]  warn_alloc.cold.116+0xb7/0x1bd
[  348.062783] syz-executor0 cpuset=syz0 mems_allowed=0
[  348.066395]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  348.096219]  ? lock_downgrade+0x900/0x900
[  348.100364]  ? trace_hardirqs_off+0xb8/0x310
[  348.104770]  ? trace_hardirqs_off+0xb8/0x310
[  348.109176]  __alloc_pages_slowpath+0x2651/0x2de0
[  348.114042]  ? warn_alloc+0x120/0x120
[  348.117953]  ? print_usage_bug+0xc0/0xc0
[  348.122009]  ? warn_alloc+0x120/0x120
[  348.125804]  ? warn_alloc+0x120/0x120
[  348.129594]  ? print_usage_bug+0xc0/0xc0
[  348.133654]  ? print_usage_bug+0xc0/0xc0
[  348.137709]  ? __lock_acquire+0x62f/0x4c20
[  348.141952]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  348.147481]  ? should_fail+0x22d/0xd01
[  348.151364]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  348.156459]  ? __lock_acquire+0x62f/0x4c20
[  348.160690]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  348.165786]  ? __lock_acquire+0x62f/0x4c20
[  348.170015]  ? should_fail+0x22d/0xd01
[  348.173919]  ? find_held_lock+0x36/0x1c0
[  348.177981]  ? mark_held_locks+0x130/0x130
[  348.182215]  ? mark_held_locks+0x130/0x130
[  348.186443]  ? zap_class+0x640/0x640
[  348.190158]  ? zap_class+0x640/0x640
[  348.193869]  ? print_usage_bug+0xc0/0xc0
[  348.197922]  ? do_raw_spin_unlock+0xa7/0x330
[  348.202325]  ? zap_class+0x640/0x640
[  348.206034]  ? print_usage_bug+0xc0/0xc0
[  348.210088]  ? wq_watchdog_touch+0x9c/0xfe
[  348.214317]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.219849]  ? check_preemption_disabled+0x48/0x280
[  348.224868]  ? __lock_is_held+0xb5/0x140
[  348.228927]  __alloc_pages_nodemask+0xad8/0xea0
[  348.233586]  ? zap_class+0x640/0x640
[  348.237296]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  348.242314]  ? find_held_lock+0x36/0x1c0
[  348.246382]  ? ____cache_alloc_node+0x1c7/0x1e0
[  348.251046]  ? lock_downgrade+0x900/0x900
[  348.255193]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.260729]  cache_grow_begin+0xa5/0x8c0
[  348.264793]  ? do_raw_spin_unlock+0xa7/0x330
[  348.269202]  fallback_alloc+0x204/0x2e0
[  348.273174]  ____cache_alloc_node+0x1c7/0x1e0
[  348.277677]  kmem_cache_alloc_node+0xe3/0x730
[  348.282163]  ? ipv6_get_ifaddr+0x42e/0x620
[  348.286401]  __alloc_skb+0x119/0x770
[  348.290106]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  348.295382]  ? netdev_alloc_frag+0x1f0/0x1f0
[  348.299783]  ? lock_downgrade+0x900/0x900
[  348.303926]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.309455]  ? refcount_sub_and_test_checked+0x203/0x310
[  348.314898]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  348.320585]  ? addrconf_rs_timer+0x690/0x690
[  348.325009]  ndisc_alloc_skb+0x144/0x340
[  348.329069]  ndisc_send_rs+0x331/0x6e0
[  348.332954]  addrconf_rs_timer+0x314/0x690
[  348.337191]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  348.341424]  call_timer_fn+0x272/0x920
[  348.345302]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  348.349531]  ? process_timeout+0x40/0x40
[  348.353586]  ? __run_timers+0x7da/0xc70
[  348.357548]  ? _raw_spin_unlock_irq+0x27/0x80
[  348.362027]  ? _raw_spin_unlock_irq+0x27/0x80
[  348.366505]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  348.370731]  ? lockdep_hardirqs_on+0x296/0x5b0
[  348.375310]  ? trace_hardirqs_on+0xbd/0x310
[  348.379622]  ? kasan_check_read+0x11/0x20
[  348.383756]  ? __run_timers+0x7da/0xc70
[  348.387735]  ? trace_hardirqs_off_caller+0x310/0x310
[  348.392844]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  348.397072]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  348.401301]  __run_timers+0x7e5/0xc70
[  348.405099]  ? timer_fixup_init+0x70/0x70
[  348.409236]  ? _raw_spin_unlock_irq+0x27/0x80
[  348.413717]  ? _raw_spin_unlock_irq+0x27/0x80
[  348.418208]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  348.422788]  ? trace_hardirqs_on+0xbd/0x310
[  348.427109]  ? kasan_check_read+0x11/0x20
[  348.431250]  ? finish_task_switch+0x1f4/0x910
[  348.435739]  ? trace_hardirqs_off_caller+0x310/0x310
[  348.440831]  ? compat_start_thread+0x80/0x80
[  348.445246]  ? pvclock_read_flags+0x160/0x160
[  348.449734]  ? __switch_to_asm+0x34/0x70
[  348.453784]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.459311]  ? check_preemption_disabled+0x48/0x280
[  348.464319]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  348.469842]  ? rcu_pm_notify+0xc0/0xc0
[  348.473724]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.479247]  ? check_preemption_disabled+0x48/0x280
[  348.484387]  run_timer_softirq+0x52/0xb0
[  348.488436]  ? rcu_read_lock_sched_held+0x14f/0x180
[  348.493459]  __do_softirq+0x308/0xb7e
[  348.497266]  ? retint_kernel+0x2d/0x2d
[  348.501150]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  348.506246]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  348.511684]  ? rcu_irq_enter+0x18c/0x310
[  348.515743]  ? schedule+0x108/0x460
[  348.519360]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  348.524110]  ? trace_hardirqs_off+0xb8/0x310
[  348.528508]  ? smpboot_thread_fn+0x68b/0xa00
[  348.532905]  ? trace_hardirqs_on+0x310/0x310
[  348.537301]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  348.542912]  ? check_preemption_disabled+0x48/0x280
[  348.547916]  ? takeover_tasklets+0xa90/0xa90
[  348.552313]  run_ksoftirqd+0x5e/0x100
[  348.556101]  smpboot_thread_fn+0x68b/0xa00
[  348.560326]  ? sort_range+0x30/0x30
[  348.563941]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  348.569049]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  348.574575]  ? __kthread_parkme+0xfb/0x1a0
[  348.578798]  ? sort_range+0x30/0x30
[  348.582410]  kthread+0x35a/0x440
[  348.585766]  ? kthread_stop+0x900/0x900
[  348.589747]  ret_from_fork+0x3a/0x50
[  348.593463] CPU: 1 PID: 16176 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #181
[  348.593467] warn_alloc_show_mem: 1 callbacks suppressed
[  348.593474] Mem-Info:
[  348.600814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  348.606183] active_anon:54949 inactive_anon:10067 isolated_anon:0
[  348.606183]  active_file:12 inactive_file:12 isolated_file:0
[  348.606183]  unevictable:0 dirty:0 writeback:0 unstable:0
[  348.606183]  slab_reclaimable:9454 slab_unreclaimable:1442611
[  348.606183]  mapped:40962 shmem:10230 pagetables:596 bounce:0
[  348.606183]  free:13765 free_pcp:525 free_cma:0
[  348.608546] Call Trace:
[  348.617938] Node 0 active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:40920kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 202752kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  348.651118]  <IRQ>
[  348.653675] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  348.681502]  dump_stack+0x244/0x39d
[  348.683611] lowmem_reserve[]: 0 2818 6321 6321
[  348.709712]  ? dump_stack_print_info.cold.1+0x20/0x20
[  348.713313] Node 0 DMA32 free:25248kB 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:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  348.717884]  warn_alloc.cold.116+0xb7/0x1bd
[  348.723141] lowmem_reserve[]: 0 0 3503 3503
[  348.750451]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  348.754741] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2384kB bounce:0kB free_pcp:1852kB local_pcp:1500kB free_cma:0kB
[  348.759046]  ? lock_downgrade+0x900/0x900
[  348.763853] lowmem_reserve[]: 0 0 0 0
[  348.793068]  ? trace_hardirqs_off+0xb8/0x310
[  348.797179] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  348.800967]  ? trace_hardirqs_off+0xb8/0x310
[  348.805342] Node 0 DMA32: 4*4kB (UM) 0*8kB 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB
[  348.818852]  __alloc_pages_slowpath+0x2651/0x2de0
[  348.823222] Node 0 Normal: 1308*4kB (ME) 392*8kB (UME) 140*16kB (ME) 47*32kB (ME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  348.838237]  ? warn_alloc+0x120/0x120
[  348.843033] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  348.857662]  ? print_usage_bug+0xc0/0xc0
[  348.861433] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  348.870257]  ? warn_alloc+0x120/0x120
[  348.874283] 10254 total pagecache pages
[  348.882839]  ? warn_alloc+0x120/0x120
[  348.886609] 0 pages in swap cache
[  348.890556]  ? print_usage_bug+0xc0/0xc0
[  348.894324] Swap cache stats: add 0, delete 0, find 0/0
[  348.897757]  ? print_usage_bug+0xc0/0xc0
[  348.901786] Free swap  = 0kB
[  348.907215]  ? __lock_acquire+0x62f/0x4c20
[  348.911240] Total swap = 0kB
[  348.914241]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  348.918438] 1965979 pages RAM
[  348.921441]  ? should_fail+0x22d/0xd01
[  348.926945] 0 pages HighMem/MovableOnly
[  348.930027]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  348.933877] 342853 pages reserved
[  348.933883] 0 pages cma reserved
[  348.937929]  ? __lock_acquire+0x62f/0x4c20
[  348.943071] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  348.946436]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  348.946450]  ? __lock_acquire+0x62f/0x4c20
[  348.946462]  ? should_fail+0x22d/0xd01
[  348.949846] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  348.954010]  ? find_held_lock+0x36/0x1c0
[  348.960470] ksoftirqd/0 cpuset=/ mems_allowed=0
[  348.965566]  ? mark_held_locks+0x130/0x130
[  348.996803]  ? mark_held_locks+0x130/0x130
[  349.001026]  ? zap_class+0x640/0x640
[  349.004732]  ? zap_class+0x640/0x640
[  349.008439]  ? print_usage_bug+0xc0/0xc0
[  349.012483]  ? do_raw_spin_unlock+0xa7/0x330
[  349.016878]  ? zap_class+0x640/0x640
[  349.020578]  ? print_usage_bug+0xc0/0xc0
[  349.024624]  ? wq_watchdog_touch+0x9c/0xfe
[  349.028848]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.034374]  ? check_preemption_disabled+0x48/0x280
[  349.039383]  ? __lock_is_held+0xb5/0x140
[  349.043441]  __alloc_pages_nodemask+0xad8/0xea0
[  349.048192]  ? zap_class+0x640/0x640
[  349.051903]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  349.056920]  ? find_held_lock+0x36/0x1c0
[  349.060976]  ? ____cache_alloc_node+0x1c7/0x1e0
[  349.065637]  ? lock_downgrade+0x900/0x900
[  349.069781]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.075309]  cache_grow_begin+0xa5/0x8c0
[  349.079357]  ? do_raw_spin_unlock+0xa7/0x330
[  349.083756]  fallback_alloc+0x204/0x2e0
[  349.087722]  ____cache_alloc_node+0x1c7/0x1e0
[  349.092210]  kmem_cache_alloc_node+0xe3/0x730
[  349.096702]  ? ipv6_get_ifaddr+0x42e/0x620
[  349.100940]  __alloc_skb+0x119/0x770
[  349.104645]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  349.109921]  ? netdev_alloc_frag+0x1f0/0x1f0
[  349.114337]  ? lock_downgrade+0x900/0x900
[  349.118482]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.124007]  ? refcount_sub_and_test_checked+0x203/0x310
[  349.129450]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  349.134886]  ? addrconf_rs_timer+0x690/0x690
[  349.139290]  ndisc_alloc_skb+0x144/0x340
[  349.143343]  ndisc_send_rs+0x331/0x6e0
[  349.147220]  addrconf_rs_timer+0x314/0x690
[  349.151449]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  349.155681]  call_timer_fn+0x272/0x920
[  349.159565]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  349.163787]  ? process_timeout+0x40/0x40
[  349.167839]  ? __run_timers+0x7da/0xc70
[  349.171802]  ? _raw_spin_unlock_irq+0x27/0x80
[  349.176284]  ? _raw_spin_unlock_irq+0x27/0x80
[  349.180773]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  349.184998]  ? lockdep_hardirqs_on+0x296/0x5b0
[  349.189572]  ? trace_hardirqs_on+0xbd/0x310
[  349.193883]  ? kasan_check_read+0x11/0x20
[  349.198027]  ? __run_timers+0x7da/0xc70
[  349.201997]  ? trace_hardirqs_off_caller+0x310/0x310
[  349.207090]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  349.211316]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  349.215547]  __run_timers+0x7e5/0xc70
[  349.219342]  ? timer_fixup_init+0x70/0x70
[  349.223478]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  349.228498]  ? zap_class+0x640/0x640
[  349.232201]  ? enqueue_hrtimer+0x1a5/0x560
[  349.236429]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  349.241613]  ? find_held_lock+0x36/0x1c0
[  349.245669]  ? zap_class+0x640/0x640
[  349.249375]  ? pvclock_read_flags+0x160/0x160
[  349.253863]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.259387]  ? check_preemption_disabled+0x48/0x280
[  349.264394]  ? __lock_is_held+0xb5/0x140
[  349.268451]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.273991]  ? check_preemption_disabled+0x48/0x280
[  349.279001]  run_timer_softirq+0x52/0xb0
[  349.283051]  ? rcu_read_lock_sched_held+0x14f/0x180
[  349.288058]  __do_softirq+0x308/0xb7e
[  349.291849]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  349.296330]  ? lock_downgrade+0x900/0x900
[  349.300466]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  349.305560]  ? pvclock_read_flags+0x160/0x160
[  349.310050]  ? lapic_next_event+0x5a/0x90
[  349.314189]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.319719]  ? kvm_clock_read+0x18/0x30
[  349.323682]  ? kvm_sched_clock_read+0x9/0x20
[  349.328078]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.333603]  ? check_preemption_disabled+0x48/0x280
[  349.338614]  irq_exit+0x17f/0x1c0
[  349.342056]  smp_apic_timer_interrupt+0x1cb/0x760
[  349.346899]  ? smp_reschedule_interrupt+0x109/0x650
[  349.351934]  ? smp_call_function_single_interrupt+0x650/0x650
[  349.357833]  ? interrupt_entry+0xb5/0xc0
[  349.361909]  ? trace_hardirqs_off_caller+0xbb/0x310
[  349.366925]  ? trace_hardirqs_off_caller+0xbb/0x310
[  349.371944]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  349.376790]  ? trace_hardirqs_on_caller+0x310/0x310
[  349.381808]  ? trace_hardirqs_on_caller+0x310/0x310
[  349.386826]  ? task_prio+0x50/0x50
[  349.390370]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.395906]  ? check_preemption_disabled+0x48/0x280
[  349.400932]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  349.405786]  apic_timer_interrupt+0xf/0x20
[  349.410012]  </IRQ>
[  349.412253] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  349.418141] Code: 3e 7e 0f 85 32 ff ff ff e8 03 6a 3d ff e9 28 ff ff ff e8 4a 99 c2 ff 48 83 3d c2 ed 8e 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 ca 05
[  349.437040] RSP: 0018:ffff888198b071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  349.444747] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  349.452013] RDX: 0000000000000000 RSI: ffff8881bbc289c0 RDI: 0000000000000286
[  349.459277] RBP: ffff888198b07250 R08: ffff8881bbc28140 R09: 0000000000000000
[  349.466543] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800940
[  349.473813] R13: ffff8881da800940 R14: 0000000000000000 R15: 0000000000000286
[  349.481103]  ? save_stack+0xa9/0xd0
[  349.484743]  __kmalloc_node_track_caller+0x3c/0x70
[  349.489685]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  349.494446]  pskb_expand_head+0x230/0x10f0
[  349.498691]  ? memcpy+0x45/0x50
[  349.501971]  ? __copy_skb_header+0x350/0x6b0
[  349.506379]  ? skb_release_data+0x9a0/0x9a0
[  349.510710]  ? __alloc_skb+0x770/0x770
[  349.514609]  ? __lock_is_held+0xb5/0x140
[  349.518684]  ? kasan_check_write+0x14/0x20
[  349.522916]  ? __skb_clone+0x6c7/0xa00
[  349.526808]  ? __copy_skb_header+0x6b0/0x6b0
[  349.531216]  ? kmem_cache_alloc+0x33a/0x730
[  349.535546]  skb_ensure_writable+0x3dd/0x640
[  349.539959]  ? skb_checksum_setup+0xaa0/0xaa0
[  349.544455]  ? check_preemption_disabled+0x48/0x280
[  349.549476]  ? __this_cpu_preempt_check+0x1c/0x20
[  349.554316]  ? __bpf_redirect+0x55b/0xb60
[  349.558501]  bpf_clone_redirect+0x14a/0x490
[  349.562829]  bpf_prog_88483476fbe68a28+0x6f0/0x1000
[  349.567849]  ? __sched_text_start+0x8/0x8
[  349.572007]  ? find_held_lock+0x36/0x1c0
[  349.576077]  ? lock_acquire+0x1ed/0x520
[  349.580053]  ? bpf_test_run+0x3ee/0x7a0
[  349.584026]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.589562]  ? check_preemption_disabled+0x48/0x280
[  349.594580]  ? kasan_check_read+0x11/0x20
[  349.598726]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  349.604000]  ? rcu_softirq_qs+0x20/0x20
[  349.607978]  ? preempt_schedule+0x4d/0x60
[  349.612124]  ? ___preempt_schedule+0x16/0x18
[  349.616538]  ? bpf_test_run+0x271/0x7a0
[  349.620525]  ? netlink_diag_dump+0x2a0/0x2a0
[  349.624938]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  349.630476]  ? bpf_test_init.isra.10+0x70/0x100
[  349.635151]  ? bpf_prog_test_run_skb+0x762/0xd90
[  349.639915]  ? bpf_test_finish.isra.9+0x260/0x260
[  349.644766]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  349.650302]  ? fput+0x130/0x1a0
[  349.653590]  ? __bpf_prog_get+0x9b/0x290
[  349.657662]  ? bpf_test_finish.isra.9+0x260/0x260
[  349.662501]  ? __do_sys_bpf+0x1898/0x4570
[  349.666665]  ? bpf_prog_load+0x1db0/0x1db0
[  349.670902]  ? find_held_lock+0x36/0x1c0
[  349.674969]  ? __might_fault+0x12b/0x1e0
[  349.679030]  ? lock_downgrade+0x900/0x900
[  349.683183]  ? lock_release+0xa00/0xa00
[  349.687157]  ? perf_trace_sched_process_exec+0x860/0x860
[  349.692603]  ? posix_ktime_get_ts+0x15/0x20
[  349.696935]  ? trace_hardirqs_off_caller+0x310/0x310
[  349.702054]  ? kasan_check_read+0x11/0x20
[  349.706200]  ? _copy_to_user+0xc8/0x110
[  349.710180]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  349.715715]  ? put_timespec64+0x10f/0x1b0
[  349.719861]  ? nsecs_to_jiffies+0x30/0x30
[  349.724020]  ? trace_hardirqs_off_caller+0x310/0x310
[  349.729125]  ? __x64_sys_bpf+0x73/0xb0
[  349.733015]  ? do_syscall_64+0x1b9/0x820
[  349.737074]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  349.742442]  ? syscall_return_slowpath+0x5e0/0x5e0
[  349.747369]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  349.752215]  ? trace_hardirqs_on_caller+0x310/0x310
[  349.757263]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  349.762279]  ? prepare_exit_to_usermode+0x291/0x3b0
[  349.767300]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  349.772146]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  349.777525] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #181
[  349.777597] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  349.784363] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  349.784372] Call Trace:
[  349.790934] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  349.800211]  dump_stack+0x244/0x39d
[  349.802770] syz-executor0 cpuset=syz0 mems_allowed=0
[  349.813251]  ? dump_stack_print_info.cold.1+0x20/0x20
[  349.827132]  warn_alloc.cold.116+0xb7/0x1bd
[  349.831456]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  349.836301]  ? lock_downgrade+0x900/0x900
[  349.840458]  ? trace_hardirqs_off+0xb8/0x310
[  349.844874]  ? trace_hardirqs_off+0xb8/0x310
[  349.849297]  __alloc_pages_slowpath+0x2651/0x2de0
[  349.854163]  ? warn_alloc+0x120/0x120
[  349.857965]  ? print_usage_bug+0xc0/0xc0
[  349.862025]  ? warn_alloc+0x120/0x120
[  349.865829]  ? warn_alloc+0x120/0x120
[  349.869639]  ? print_usage_bug+0xc0/0xc0
[  349.873703]  ? print_usage_bug+0xc0/0xc0
[  349.877770]  ? __lock_acquire+0x62f/0x4c20
[  349.882008]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  349.887548]  ? should_fail+0x22d/0xd01
[  349.891441]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  349.896544]  ? __lock_acquire+0x62f/0x4c20
[  349.900782]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  349.905889]  ? __lock_acquire+0x62f/0x4c20
[  349.910120]  ? should_fail+0x22d/0xd01
[  349.914009]  ? find_held_lock+0x36/0x1c0
[  349.918080]  ? mark_held_locks+0x130/0x130
[  349.922319]  ? mark_held_locks+0x130/0x130
[  349.926550]  ? zap_class+0x640/0x640
[  349.930262]  ? zap_class+0x640/0x640
[  349.933981]  ? print_usage_bug+0xc0/0xc0
[  349.938041]  ? do_raw_spin_unlock+0xa7/0x330
[  349.942447]  ? zap_class+0x640/0x640
[  349.946159]  ? print_usage_bug+0xc0/0xc0
[  349.950216]  ? wq_watchdog_touch+0x9c/0xfe
[  349.954454]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.959991]  ? check_preemption_disabled+0x48/0x280
[  349.965017]  ? __lock_is_held+0xb5/0x140
[  349.969082]  __alloc_pages_nodemask+0xad8/0xea0
[  349.973756]  ? zap_class+0x640/0x640
[  349.977472]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  349.982498]  ? find_held_lock+0x36/0x1c0
[  349.986564]  ? ____cache_alloc_node+0x1c7/0x1e0
[  349.991233]  ? lock_downgrade+0x900/0x900
[  349.995385]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.000928]  cache_grow_begin+0xa5/0x8c0
[  350.004986]  ? do_raw_spin_unlock+0xa7/0x330
[  350.009398]  fallback_alloc+0x204/0x2e0
[  350.013412]  ____cache_alloc_node+0x1c7/0x1e0
[  350.017911]  kmem_cache_alloc_node+0xe3/0x730
[  350.022412]  ? ipv6_get_ifaddr+0x42e/0x620
[  350.026662]  __alloc_skb+0x119/0x770
[  350.030375]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  350.035661]  ? netdev_alloc_frag+0x1f0/0x1f0
[  350.040107]  ? lock_downgrade+0x900/0x900
[  350.044259]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.049798]  ? refcount_sub_and_test_checked+0x203/0x310
[  350.055251]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  350.060704]  ? addrconf_rs_timer+0x690/0x690
[  350.065122]  ndisc_alloc_skb+0x144/0x340
[  350.069185]  ndisc_send_rs+0x331/0x6e0
[  350.073075]  addrconf_rs_timer+0x314/0x690
[  350.077314]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  350.081557]  call_timer_fn+0x272/0x920
[  350.085443]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  350.089680]  ? process_timeout+0x40/0x40
[  350.093747]  ? __run_timers+0x7da/0xc70
[  350.097724]  ? _raw_spin_unlock_irq+0x27/0x80
[  350.102216]  ? _raw_spin_unlock_irq+0x27/0x80
[  350.106711]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  350.110949]  ? lockdep_hardirqs_on+0x296/0x5b0
[  350.115530]  ? trace_hardirqs_on+0xbd/0x310
[  350.119850]  ? kasan_check_read+0x11/0x20
[  350.124001]  ? __run_timers+0x7da/0xc70
[  350.127974]  ? trace_hardirqs_off_caller+0x310/0x310
[  350.133083]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  350.137325]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  350.141558]  __run_timers+0x7e5/0xc70
[  350.145366]  ? timer_fixup_init+0x70/0x70
[  350.149512]  ? _raw_spin_unlock_irq+0x27/0x80
[  350.154006]  ? _raw_spin_unlock_irq+0x27/0x80
[  350.158502]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  350.163084]  ? trace_hardirqs_on+0xbd/0x310
[  350.167406]  ? kasan_check_read+0x11/0x20
[  350.171558]  ? finish_task_switch+0x1f4/0x910
[  350.176055]  ? trace_hardirqs_off_caller+0x310/0x310
[  350.181160]  ? compat_start_thread+0x80/0x80
[  350.185588]  ? pvclock_read_flags+0x160/0x160
[  350.190094]  ? __switch_to_asm+0x34/0x70
[  350.194155]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.199697]  ? check_preemption_disabled+0x48/0x280
[  350.204718]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  350.210258]  ? rcu_pm_notify+0xc0/0xc0
[  350.214149]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.219686]  ? check_preemption_disabled+0x48/0x280
[  350.224708]  run_timer_softirq+0x52/0xb0
[  350.228770]  ? rcu_read_lock_sched_held+0x14f/0x180
[  350.233784]  __do_softirq+0x308/0xb7e
[  350.237604]  ? retint_kernel+0x2d/0x2d
[  350.241496]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  350.246609]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  350.252055]  ? rcu_irq_enter+0x18c/0x310
[  350.256118]  ? schedule+0x108/0x460
[  350.259747]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  350.264507]  ? trace_hardirqs_off+0xb8/0x310
[  350.268914]  ? smpboot_thread_fn+0x68b/0xa00
[  350.273325]  ? trace_hardirqs_on+0x310/0x310
[  350.277736]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  350.283272]  ? check_preemption_disabled+0x48/0x280
[  350.288288]  ? takeover_tasklets+0xa90/0xa90
[  350.292699]  run_ksoftirqd+0x5e/0x100
[  350.296501]  smpboot_thread_fn+0x68b/0xa00
[  350.300736]  ? sort_range+0x30/0x30
[  350.304360]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  350.309464]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  350.314998]  ? __kthread_parkme+0xfb/0x1a0
[  350.319515]  ? sort_range+0x30/0x30
[  350.323142]  kthread+0x35a/0x440
[  350.326512]  ? kthread_stop+0x900/0x900
[  350.330490]  ret_from_fork+0x3a/0x50
[  350.334223] CPU: 1 PID: 16176 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #181
[  350.334227] warn_alloc_show_mem: 1 callbacks suppressed
[  350.334233] Mem-Info:
[  350.341627] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  350.346993] active_anon:54949 inactive_anon:10067 isolated_anon:0
[  350.346993]  active_file:12 inactive_file:12 isolated_file:0
[  350.346993]  unevictable:0 dirty:0 writeback:0 unstable:0
[  350.346993]  slab_reclaimable:9454 slab_unreclaimable:1442611
[  350.346993]  mapped:40962 shmem:10230 pagetables:596 bounce:0
[  350.346993]  free:13765 free_pcp:525 free_cma:0
[  350.349363] Call Trace:
[  350.358739] Node 0 active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:40920kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 202752kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  350.391925]  <IRQ>
[  350.394493] 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
[  350.422332]  dump_stack+0x244/0x39d
[  350.424458] lowmem_reserve[]: 0 2818 6321 6321
[  350.450559]  ? dump_stack_print_info.cold.1+0x20/0x20
[  350.454160] Node 0 DMA32 free:25248kB 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:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  350.458746]  warn_alloc.cold.116+0xb7/0x1bd
[  350.463900] lowmem_reserve[]: 0 0 3503 3503
[  350.491753]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  350.496049] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2384kB bounce:0kB free_pcp:1852kB local_pcp:1500kB free_cma:0kB
[  350.500365]  ? lock_downgrade+0x900/0x900
[  350.505181] lowmem_reserve[]: 0 0 0 0
[  350.534409]  ? trace_hardirqs_off+0xb8/0x310
[  350.538529] 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
[  350.542330]  ? trace_hardirqs_off+0xb8/0x310
[  350.546706] Node 0 DMA32: 4*4kB (UM) 0*8kB 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB
[  350.560229]  __alloc_pages_slowpath+0x2651/0x2de0
[  350.564608] Node 0 Normal: 1308*4kB (ME) 392*8kB (UME) 140*16kB (ME) 47*32kB (ME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  350.579533]  ? warn_alloc+0x120/0x120
[  350.584334] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  350.584347] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  350.598987]  ? print_usage_bug+0xc0/0xc0
[  350.602761] 10254 total pagecache pages
[  350.611597]  ? warn_alloc+0x120/0x120
[  350.620155] 0 pages in swap cache
[  350.624203]  ? warn_alloc+0x120/0x120
[  350.628153] Swap cache stats: add 0, delete 0, find 0/0
[  350.631941]  ? print_usage_bug+0xc0/0xc0
[  350.635370] Free swap  = 0kB
[  350.639164]  ? kvm_clock_read+0x18/0x30
[  350.644503] Total swap = 0kB
[  350.648557]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  350.651575] 1965979 pages RAM
[  350.655540]  ? print_usage_bug+0xc0/0xc0
[  350.658530] 0 pages HighMem/MovableOnly
[  350.658537] 342853 pages reserved
[  350.663541]  ? __lock_acquire+0x62f/0x4c20
[  350.666623] 0 pages cma reserved
[  350.670676]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  350.674698] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  350.678070]  ? should_fail+0x22d/0xd01
[  350.682457] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  350.685634]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  350.691147] ksoftirqd/0 cpuset=/ mems_allowed=0
[  350.697631]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  350.726792]  ? __lock_acquire+0x62f/0x4c20
[  350.731029]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  350.736131]  ? __lock_acquire+0x62f/0x4c20
[  350.740362]  ? should_fail+0x22d/0xd01
[  350.744248]  ? rcu_irq_exit+0x1a2/0x390
[  350.748229]  ? mark_held_locks+0x130/0x130
[  350.752466]  ? mark_held_locks+0x130/0x130
[  350.756704]  ? mark_held_locks+0xc7/0x130
[  350.760858]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  350.765872]  ? zap_class+0x640/0x640
[  350.769613]  ? print_usage_bug+0xc0/0xc0
[  350.773679]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.779216]  ? check_preemption_disabled+0x48/0x280
[  350.784241]  ? __lock_is_held+0xb5/0x140
[  350.788306]  __alloc_pages_nodemask+0xad8/0xea0
[  350.792977]  ? zap_class+0x640/0x640
[  350.796695]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  350.801720]  ? find_held_lock+0x36/0x1c0
[  350.805788]  ? ____cache_alloc_node+0x1c7/0x1e0
[  350.810461]  ? lock_downgrade+0x900/0x900
[  350.814616]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.820155]  cache_grow_begin+0xa5/0x8c0
[  350.824217]  ? do_raw_spin_unlock+0xa7/0x330
[  350.828631]  fallback_alloc+0x204/0x2e0
[  350.832613]  ____cache_alloc_node+0x1c7/0x1e0
[  350.837116]  kmem_cache_alloc_node+0xe3/0x730
[  350.841610]  ? ipv6_get_ifaddr+0x42e/0x620
[  350.845854]  __alloc_skb+0x119/0x770
[  350.849576]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  350.854854]  ? netdev_alloc_frag+0x1f0/0x1f0
[  350.859264]  ? lock_downgrade+0x900/0x900
[  350.863422]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.868958]  ? refcount_sub_and_test_checked+0x203/0x310
[  350.874412]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  350.879863]  ? addrconf_rs_timer+0x690/0x690
[  350.884285]  ndisc_alloc_skb+0x144/0x340
[  350.888351]  ndisc_send_rs+0x331/0x6e0
[  350.892242]  addrconf_rs_timer+0x314/0x690
[  350.896486]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  350.900727]  call_timer_fn+0x272/0x920
[  350.904617]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  350.908855]  ? process_timeout+0x40/0x40
[  350.912922]  ? __run_timers+0x7da/0xc70
[  350.916897]  ? _raw_spin_unlock_irq+0x27/0x80
[  350.921389]  ? _raw_spin_unlock_irq+0x27/0x80
[  350.925886]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  350.930124]  ? lockdep_hardirqs_on+0x296/0x5b0
[  350.934708]  ? trace_hardirqs_on+0xbd/0x310
[  350.939032]  ? kasan_check_read+0x11/0x20
[  350.943180]  ? __run_timers+0x7da/0xc70
[  350.947153]  ? trace_hardirqs_off_caller+0x310/0x310
[  350.952258]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  350.956495]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  350.960725]  __run_timers+0x7e5/0xc70
[  350.964547]  ? timer_fixup_init+0x70/0x70
[  350.968698]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  350.973716]  ? zap_class+0x640/0x640
[  350.977431]  ? enqueue_hrtimer+0x1a5/0x560
[  350.981670]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  350.986864]  ? find_held_lock+0x36/0x1c0
[  350.990928]  ? zap_class+0x640/0x640
[  350.994642]  ? pvclock_read_flags+0x160/0x160
[  350.999136]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.004675]  ? check_preemption_disabled+0x48/0x280
[  351.009698]  ? __lock_is_held+0xb5/0x140
[  351.013761]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.019304]  ? check_preemption_disabled+0x48/0x280
[  351.024328]  run_timer_softirq+0x52/0xb0
[  351.028389]  ? rcu_read_lock_sched_held+0x14f/0x180
[  351.033409]  __do_softirq+0x308/0xb7e
[  351.037210]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  351.041702]  ? lock_downgrade+0x900/0x900
[  351.045864]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  351.050972]  ? pvclock_read_flags+0x160/0x160
[  351.055468]  ? lapic_next_event+0x5a/0x90
[  351.059618]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.065159]  ? kvm_clock_read+0x18/0x30
[  351.069132]  ? kvm_sched_clock_read+0x9/0x20
[  351.073551]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.079088]  ? check_preemption_disabled+0x48/0x280
[  351.084111]  irq_exit+0x17f/0x1c0
[  351.087573]  smp_apic_timer_interrupt+0x1cb/0x760
[  351.092413]  ? smp_reschedule_interrupt+0x109/0x650
[  351.097428]  ? smp_call_function_single_interrupt+0x650/0x650
[  351.103314]  ? interrupt_entry+0xb5/0xc0
[  351.107375]  ? trace_hardirqs_off_caller+0xbb/0x310
[  351.112388]  ? trace_hardirqs_off_caller+0xbb/0x310
[  351.117405]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  351.122248]  ? trace_hardirqs_on_caller+0x310/0x310
[  351.127261]  ? trace_hardirqs_on_caller+0x310/0x310
[  351.132289]  ? task_prio+0x50/0x50
[  351.135833]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.141370]  ? check_preemption_disabled+0x48/0x280
[  351.146391]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  351.151242]  apic_timer_interrupt+0xf/0x20
[  351.155469]  </IRQ>
[  351.157712] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  351.163597] Code: 3e 7e 0f 85 32 ff ff ff e8 03 6a 3d ff e9 28 ff ff ff e8 4a 99 c2 ff 48 83 3d c2 ed 8e 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 ca 05
[  351.182493] RSP: 0018:ffff888198b071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  351.190206] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  351.197477] RDX: 0000000000000000 RSI: ffff8881bbc289c0 RDI: 0000000000000286
[  351.204747] RBP: ffff888198b07250 R08: ffff8881bbc28140 R09: 0000000000000000
[  351.212013] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800940
[  351.219283] R13: ffff8881da800940 R14: 0000000000000000 R15: 0000000000000286
[  351.226584]  ? save_stack+0xa9/0xd0
[  351.230218]  __kmalloc_node_track_caller+0x3c/0x70
[  351.235151]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  351.239915]  pskb_expand_head+0x230/0x10f0
[  351.244153]  ? memcpy+0x45/0x50
[  351.247435]  ? __copy_skb_header+0x350/0x6b0
[  351.251844]  ? skb_release_data+0x9a0/0x9a0
[  351.256168]  ? __alloc_skb+0x770/0x770
[  351.260061]  ? __lock_is_held+0xb5/0x140
[  351.264129]  ? kasan_check_write+0x14/0x20
[  351.268375]  ? __skb_clone+0x6c7/0xa00
[  351.272267]  ? __copy_skb_header+0x6b0/0x6b0
[  351.276677]  ? kmem_cache_alloc+0x33a/0x730
[  351.281008]  skb_ensure_writable+0x3dd/0x640
[  351.285418]  ? skb_checksum_setup+0xaa0/0xaa0
[  351.289912]  ? check_preemption_disabled+0x48/0x280
[  351.294935]  ? __this_cpu_preempt_check+0x1c/0x20
[  351.299775]  ? __bpf_redirect+0x55b/0xb60
[  351.303930]  bpf_clone_redirect+0x14a/0x490
[  351.308257]  bpf_prog_88483476fbe68a28+0x6f0/0x1000
[  351.313283]  ? __sched_text_start+0x8/0x8
[  351.317448]  ? find_held_lock+0x36/0x1c0
[  351.321530]  ? lock_acquire+0x1ed/0x520
[  351.325503]  ? bpf_test_run+0x3ee/0x7a0
[  351.329490]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.335035]  ? check_preemption_disabled+0x48/0x280
[  351.340058]  ? kasan_check_read+0x11/0x20
[  351.344204]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  351.349479]  ? rcu_softirq_qs+0x20/0x20
[  351.353461]  ? preempt_schedule+0x4d/0x60
[  351.357611]  ? ___preempt_schedule+0x16/0x18
[  351.362025]  ? bpf_test_run+0x271/0x7a0
[  351.366011]  ? netlink_diag_dump+0x2a0/0x2a0
[  351.370421]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  351.375957]  ? bpf_test_init.isra.10+0x70/0x100
[  351.380631]  ? bpf_prog_test_run_skb+0x762/0xd90
[  351.385393]  ? bpf_test_finish.isra.9+0x260/0x260
[  351.390240]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  351.395778]  ? fput+0x130/0x1a0
[  351.399060]  ? __bpf_prog_get+0x9b/0x290
[  351.403122]  ? bpf_test_finish.isra.9+0x260/0x260
[  351.407961]  ? __do_sys_bpf+0x1898/0x4570
[  351.412113]  ? bpf_prog_load+0x1db0/0x1db0
[  351.416352]  ? find_held_lock+0x36/0x1c0
[  351.420419]  ? __might_fault+0x12b/0x1e0
[  351.424481]  ? lock_downgrade+0x900/0x900
[  351.428641]  ? lock_release+0xa00/0xa00
[  351.432618]  ? perf_trace_sched_process_exec+0x860/0x860
[  351.438064]  ? posix_ktime_get_ts+0x15/0x20
[  351.442384]  ? trace_hardirqs_off_caller+0x310/0x310
[  351.447515]  ? kasan_check_read+0x11/0x20
[  351.451666]  ? _copy_to_user+0xc8/0x110
[  351.455641]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  351.461176]  ? put_timespec64+0x10f/0x1b0
[  351.465329]  ? nsecs_to_jiffies+0x30/0x30
[  351.469491]  ? trace_hardirqs_off_caller+0x310/0x310
[  351.474611]  ? __x64_sys_bpf+0x73/0xb0
[  351.478515]  ? do_syscall_64+0x1b9/0x820
[  351.482575]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  351.488117]  ? syscall_return_slowpath+0x5e0/0x5e0
[  351.493047]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  351.497891]  ? trace_hardirqs_on_caller+0x310/0x310
[  351.502906]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  351.507923]  ? prepare_exit_to_usermode+0x291/0x3b0
[  351.512944]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  351.517794]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  351.523174] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #181
[  351.523246] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  351.530016] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  351.530021] Call Trace:
[  351.530041]  dump_stack+0x244/0x39d
[  351.530061]  ? dump_stack_print_info.cold.1+0x20/0x20
[  351.536701] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  351.545901]  warn_alloc.cold.116+0xb7/0x1bd
[  351.548460] syz-executor0 cpuset=syz0 mems_allowed=0
[  351.552082]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  351.581941]  ? lock_downgrade+0x900/0x900
[  351.586094]  ? trace_hardirqs_off+0xb8/0x310
[  351.590520]  ? trace_hardirqs_off+0xb8/0x310
[  351.594939]  __alloc_pages_slowpath+0x2651/0x2de0
[  351.599809]  ? warn_alloc+0x120/0x120
[  351.603617]  ? print_usage_bug+0xc0/0xc0
[  351.607681]  ? warn_alloc+0x120/0x120
[  351.611485]  ? warn_alloc+0x120/0x120
[  351.615300]  ? print_usage_bug+0xc0/0xc0
[  351.619358]  ? print_usage_bug+0xc0/0xc0
[  351.623419]  ? print_usage_bug+0xc0/0xc0
[  351.627565]  ? find_held_lock+0x36/0x1c0
[  351.631634]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  351.637172]  ? should_fail+0x22d/0xd01
[  351.641061]  ? __lock_acquire+0x62f/0x4c20
[  351.645299]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  351.650401]  ? __lock_acquire+0x62f/0x4c20
[  351.654642]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  351.659742]  ? __lock_acquire+0x62f/0x4c20
[  351.663983]  ? should_fail+0x22d/0xd01
[  351.667878]  ? mark_held_locks+0x130/0x130
[  351.672114]  ? mark_held_locks+0x130/0x130
[  351.676355]  ? lock_downgrade+0x900/0x900
[  351.680519]  ? zap_class+0x640/0x640
[  351.684234]  ? print_usage_bug+0xc0/0xc0
[  351.688298]  ? trace_hardirqs_off+0xb8/0x310
[  351.692704]  ? kasan_check_read+0x11/0x20
[  351.696856]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.702397]  ? check_preemption_disabled+0x48/0x280
[  351.707419]  ? __lock_is_held+0xb5/0x140
[  351.711482]  __alloc_pages_nodemask+0xad8/0xea0
[  351.716163]  ? zap_class+0x640/0x640
[  351.719880]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  351.724908]  ? find_held_lock+0x36/0x1c0
[  351.728976]  ? ____cache_alloc_node+0x1c7/0x1e0
[  351.733649]  ? lock_downgrade+0x900/0x900
[  351.737804]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.743344]  cache_grow_begin+0xa5/0x8c0
[  351.747407]  ? do_raw_spin_unlock+0xa7/0x330
[  351.751826]  fallback_alloc+0x204/0x2e0
[  351.755803]  ____cache_alloc_node+0x1c7/0x1e0
[  351.760301]  kmem_cache_alloc_node+0xe3/0x730
[  351.764795]  ? ipv6_get_ifaddr+0x42e/0x620
[  351.769037]  __alloc_skb+0x119/0x770
[  351.772752]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  351.778029]  ? netdev_alloc_frag+0x1f0/0x1f0
[  351.782434]  ? lock_downgrade+0x900/0x900
[  351.786586]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.792122]  ? refcount_sub_and_test_checked+0x203/0x310
[  351.797577]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  351.803027]  ? addrconf_rs_timer+0x690/0x690
[  351.807445]  ndisc_alloc_skb+0x144/0x340
[  351.811515]  ndisc_send_rs+0x331/0x6e0
[  351.815407]  addrconf_rs_timer+0x314/0x690
[  351.819645]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  351.823890]  call_timer_fn+0x272/0x920
[  351.827780]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  351.832016]  ? process_timeout+0x40/0x40
[  351.836082]  ? __run_timers+0x7da/0xc70
[  351.840059]  ? _raw_spin_unlock_irq+0x27/0x80
[  351.844554]  ? _raw_spin_unlock_irq+0x27/0x80
[  351.849045]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  351.853279]  ? lockdep_hardirqs_on+0x296/0x5b0
[  351.857860]  ? trace_hardirqs_on+0xbd/0x310
[  351.862181]  ? kasan_check_read+0x11/0x20
[  351.866325]  ? __run_timers+0x7da/0xc70
[  351.870298]  ? trace_hardirqs_off_caller+0x310/0x310
[  351.875410]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  351.879644]  __run_timers+0x7e5/0xc70
[  351.883450]  ? timer_fixup_init+0x70/0x70
[  351.887611]  ? _raw_spin_unlock_irq+0x27/0x80
[  351.892102]  ? _raw_spin_unlock_irq+0x27/0x80
[  351.896597]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  351.901178]  ? trace_hardirqs_on+0xbd/0x310
[  351.905506]  ? kasan_check_read+0x11/0x20
[  351.909657]  ? finish_task_switch+0x1f4/0x910
[  351.914152]  ? trace_hardirqs_off_caller+0x310/0x310
[  351.919254]  ? compat_start_thread+0x80/0x80
[  351.923681]  ? pvclock_read_flags+0x160/0x160
[  351.928177]  ? __switch_to_asm+0x34/0x70
[  351.932237]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.937775]  ? check_preemption_disabled+0x48/0x280
[  351.942800]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  351.948339]  ? rcu_pm_notify+0xc0/0xc0
[  351.952226]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.957762]  ? check_preemption_disabled+0x48/0x280
[  351.962782]  run_timer_softirq+0x52/0xb0
[  351.966846]  ? rcu_read_lock_sched_held+0x14f/0x180
[  351.971864]  __do_softirq+0x308/0xb7e
[  351.975665]  ? retint_kernel+0x2d/0x2d
[  351.979557]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  351.984659]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  351.990104]  ? rcu_irq_enter+0x18c/0x310
[  351.994168]  ? schedule+0x108/0x460
[  351.997795]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  352.002561]  ? trace_hardirqs_off+0xb8/0x310
[  352.006969]  ? smpboot_thread_fn+0x68b/0xa00
[  352.011378]  ? trace_hardirqs_on+0x310/0x310
[  352.015799]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  352.021335]  ? check_preemption_disabled+0x48/0x280
[  352.026354]  ? takeover_tasklets+0xa90/0xa90
[  352.030766]  run_ksoftirqd+0x5e/0x100
[  352.034569]  smpboot_thread_fn+0x68b/0xa00
[  352.038804]  ? sort_range+0x30/0x30
[  352.042430]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  352.047546]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  352.053080]  ? __kthread_parkme+0xfb/0x1a0
[  352.057315]  ? sort_range+0x30/0x30
[  352.060939]  kthread+0x35a/0x440
[  352.064303]  ? kthread_stop+0x900/0x900
[  352.068278]  ret_from_fork+0x3a/0x50
[  352.072010] CPU: 1 PID: 16176 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #181
[  352.072014] warn_alloc_show_mem: 1 callbacks suppressed
[  352.072020] Mem-Info:
[  352.079372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  352.084742] active_anon:54949 inactive_anon:10067 isolated_anon:0
[  352.084742]  active_file:12 inactive_file:12 isolated_file:0
[  352.084742]  unevictable:0 dirty:0 writeback:0 unstable:0
[  352.084742]  slab_reclaimable:9454 slab_unreclaimable:1442611
[  352.084742]  mapped:40962 shmem:10230 pagetables:596 bounce:0
[  352.084742]  free:13765 free_pcp:525 free_cma:0
[  352.087112] Call Trace:
[  352.096503] Node 0 active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:40920kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 202752kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  352.129692]  <IRQ>
[  352.132264] 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
[  352.160103]  dump_stack+0x244/0x39d
[  352.162223] lowmem_reserve[]: 0 2818 6321 6321
[  352.188331]  ? dump_stack_print_info.cold.1+0x20/0x20
[  352.191932] Node 0 DMA32 free:25248kB 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:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  352.196528]  warn_alloc.cold.116+0xb7/0x1bd
[  352.201682] lowmem_reserve[]: 0 0 3503 3503
[  352.229006]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  352.233303] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2384kB bounce:0kB free_pcp:1852kB local_pcp:1500kB free_cma:0kB
[  352.237618]  ? lock_downgrade+0x900/0x900
[  352.242436] lowmem_reserve[]: 0 0 0 0
[  352.271681]  ? trace_hardirqs_off+0xb8/0x310
[  352.275799] 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
[  352.279597]  ? trace_hardirqs_off+0xb8/0x310
[  352.283975] Node 0 DMA32: 4*4kB (UM) 0*8kB 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB
[  352.297502]  __alloc_pages_slowpath+0x2651/0x2de0
[  352.301882] Node 0 Normal: 1308*4kB (ME) 392*8kB (UME) 140*16kB (ME) 47*32kB (ME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  352.317048]  ? warn_alloc+0x120/0x120
[  352.321857] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  352.336494]  ? print_usage_bug+0xc0/0xc0
[  352.340273] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  352.349093]  ? warn_alloc+0x120/0x120
[  352.353130] 10254 total pagecache pages
[  352.361695]  ? warn_alloc+0x120/0x120
[  352.365483] 0 pages in swap cache
[  352.369455]  ? print_usage_bug+0xc0/0xc0
[  352.373230] Swap cache stats: add 0, delete 0, find 0/0
[  352.376670]  ? kvm_clock_read+0x18/0x30
[  352.380708] Free swap  = 0kB
[  352.386064]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  352.390012] Total swap = 0kB
[  352.393021]  ? print_usage_bug+0xc0/0xc0
[  352.398012] 1965979 pages RAM
[  352.401021]  ? __lock_acquire+0x62f/0x4c20
[  352.405141] 0 pages HighMem/MovableOnly
[  352.405148] 342853 pages reserved
[  352.408252]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  352.412465] 0 pages cma reserved
[  352.416429]  ? should_fail+0x22d/0xd01
[  352.419978] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  352.425388]  ? __lock_acquire+0x62f/0x4c20
[  352.425405]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  352.425421]  ? __lock_acquire+0x62f/0x4c20
[  352.428829] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  352.432655]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  352.439119] ksoftirqd/0 cpuset=/ mems_allowed=0
[  352.443336]  ? __lock_acquire+0x62f/0x4c20
[  352.443351]  ? should_fail+0x22d/0xd01
[  352.480893]  ? mark_held_locks+0x130/0x130
[  352.485628]  ? mark_held_locks+0x130/0x130
[  352.489875]  ? zap_class+0x640/0x640
[  352.493589]  ? print_usage_bug+0xc0/0xc0
[  352.497657]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.503201]  ? check_preemption_disabled+0x48/0x280
[  352.508223]  ? __lock_is_held+0xb5/0x140
[  352.512289]  __alloc_pages_nodemask+0xad8/0xea0
[  352.516957]  ? zap_class+0x640/0x640
[  352.520673]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  352.525698]  ? find_held_lock+0x36/0x1c0
[  352.529768]  ? ____cache_alloc_node+0x1c7/0x1e0
[  352.534453]  ? lock_downgrade+0x900/0x900
[  352.538607]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.544150]  cache_grow_begin+0xa5/0x8c0
[  352.548214]  ? do_raw_spin_unlock+0xa7/0x330
[  352.552628]  fallback_alloc+0x204/0x2e0
[  352.556606]  ____cache_alloc_node+0x1c7/0x1e0
[  352.561105]  kmem_cache_alloc_node+0xe3/0x730
[  352.565603]  ? ipv6_get_ifaddr+0x42e/0x620
[  352.569847]  __alloc_skb+0x119/0x770
[  352.573561]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  352.578844]  ? netdev_alloc_frag+0x1f0/0x1f0
[  352.583254]  ? lock_downgrade+0x900/0x900
[  352.587409]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.592959]  ? refcount_sub_and_test_checked+0x203/0x310
[  352.598412]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  352.603875]  ? addrconf_rs_timer+0x690/0x690
[  352.608296]  ndisc_alloc_skb+0x144/0x340
[  352.612360]  ndisc_send_rs+0x331/0x6e0
[  352.616251]  addrconf_rs_timer+0x314/0x690
[  352.620492]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  352.624737]  call_timer_fn+0x272/0x920
[  352.628623]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  352.632856]  ? process_timeout+0x40/0x40
[  352.636921]  ? __run_timers+0x7da/0xc70
[  352.640896]  ? _raw_spin_unlock_irq+0x27/0x80
[  352.645387]  ? _raw_spin_unlock_irq+0x27/0x80
[  352.649894]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  352.654129]  ? lockdep_hardirqs_on+0x296/0x5b0
[  352.658711]  ? trace_hardirqs_on+0xbd/0x310
[  352.663035]  ? kasan_check_read+0x11/0x20
[  352.667184]  ? __run_timers+0x7da/0xc70
[  352.671163]  ? trace_hardirqs_off_caller+0x310/0x310
[  352.676280]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  352.680510]  __run_timers+0x7e5/0xc70
[  352.684317]  ? timer_fixup_init+0x70/0x70
[  352.688470]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  352.693484]  ? zap_class+0x640/0x640
[  352.697203]  ? enqueue_hrtimer+0x1a5/0x560
[  352.701453]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  352.706648]  ? find_held_lock+0x36/0x1c0
[  352.710711]  ? zap_class+0x640/0x640
[  352.714440]  ? pvclock_read_flags+0x160/0x160
[  352.718936]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.724474]  ? check_preemption_disabled+0x48/0x280
[  352.729499]  ? __lock_is_held+0xb5/0x140
[  352.733561]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.739097]  ? check_preemption_disabled+0x48/0x280
[  352.744114]  run_timer_softirq+0x52/0xb0
[  352.748178]  ? rcu_read_lock_sched_held+0x14f/0x180
[  352.753197]  __do_softirq+0x308/0xb7e
[  352.757001]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  352.761498]  ? lock_downgrade+0x900/0x900
[  352.765651]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  352.770759]  ? pvclock_read_flags+0x160/0x160
[  352.775257]  ? lapic_next_event+0x5a/0x90
[  352.779422]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.784966]  ? kvm_clock_read+0x18/0x30
[  352.788943]  ? kvm_sched_clock_read+0x9/0x20
[  352.793351]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.798889]  ? check_preemption_disabled+0x48/0x280
[  352.803916]  irq_exit+0x17f/0x1c0
[  352.807373]  smp_apic_timer_interrupt+0x1cb/0x760
[  352.812213]  ? smp_reschedule_interrupt+0x109/0x650
[  352.817228]  ? smp_call_function_single_interrupt+0x650/0x650
[  352.823115]  ? interrupt_entry+0xb5/0xc0
[  352.827181]  ? trace_hardirqs_off_caller+0xbb/0x310
[  352.832197]  ? trace_hardirqs_off_caller+0xbb/0x310
[  352.837218]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  352.842059]  ? trace_hardirqs_on_caller+0x310/0x310
[  352.847072]  ? trace_hardirqs_on_caller+0x310/0x310
[  352.852088]  ? task_prio+0x50/0x50
[  352.855629]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.861175]  ? check_preemption_disabled+0x48/0x280
[  352.866195]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  352.871043]  apic_timer_interrupt+0xf/0x20
[  352.875273]  </IRQ>
[  352.877512] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  352.883411] Code: 3e 7e 0f 85 32 ff ff ff e8 03 6a 3d ff e9 28 ff ff ff e8 4a 99 c2 ff 48 83 3d c2 ed 8e 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 ca 05
[  352.902311] RSP: 0018:ffff888198b071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  352.910014] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  352.917279] RDX: 0000000000000000 RSI: ffff8881bbc289c0 RDI: 0000000000000286
[  352.924545] RBP: ffff888198b07250 R08: ffff8881bbc28140 R09: 0000000000000000
[  352.931816] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800940
[  352.939081] R13: ffff8881da800940 R14: 0000000000000000 R15: 0000000000000286
[  352.946378]  ? save_stack+0xa9/0xd0
[  352.950024]  __kmalloc_node_track_caller+0x3c/0x70
[  352.954955]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  352.959714]  pskb_expand_head+0x230/0x10f0
[  352.963951]  ? memcpy+0x45/0x50
[  352.967234]  ? __copy_skb_header+0x350/0x6b0
[  352.971642]  ? skb_release_data+0x9a0/0x9a0
[  352.975964]  ? __alloc_skb+0x770/0x770
[  352.979859]  ? __lock_is_held+0xb5/0x140
[  352.983924]  ? kasan_check_write+0x14/0x20
[  352.988164]  ? __skb_clone+0x6c7/0xa00
[  352.992055]  ? __copy_skb_header+0x6b0/0x6b0
[  352.996464]  ? kmem_cache_alloc+0x33a/0x730
[  353.000797]  skb_ensure_writable+0x3dd/0x640
[  353.005212]  ? skb_checksum_setup+0xaa0/0xaa0
[  353.009706]  ? check_preemption_disabled+0x48/0x280
[  353.014727]  ? __this_cpu_preempt_check+0x1c/0x20
[  353.019572]  ? __bpf_redirect+0x55b/0xb60
[  353.023727]  bpf_clone_redirect+0x14a/0x490
[  353.028059]  bpf_prog_88483476fbe68a28+0x6f0/0x1000
[  353.033077]  ? __sched_text_start+0x8/0x8
[  353.037240]  ? find_held_lock+0x36/0x1c0
[  353.041313]  ? lock_acquire+0x1ed/0x520
[  353.045287]  ? bpf_test_run+0x3ee/0x7a0
[  353.049263]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.054804]  ? check_preemption_disabled+0x48/0x280
[  353.059827]  ? kasan_check_read+0x11/0x20
[  353.063974]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  353.069247]  ? rcu_softirq_qs+0x20/0x20
[  353.073225]  ? preempt_schedule+0x4d/0x60
[  353.077372]  ? ___preempt_schedule+0x16/0x18
[  353.081798]  ? bpf_test_run+0x271/0x7a0
[  353.085782]  ? netlink_diag_dump+0x2a0/0x2a0
[  353.090192]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  353.095730]  ? bpf_test_init.isra.10+0x70/0x100
[  353.100412]  ? bpf_prog_test_run_skb+0x762/0xd90
[  353.105178]  ? bpf_test_finish.isra.9+0x260/0x260
[  353.110027]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  353.115561]  ? fput+0x130/0x1a0
[  353.118843]  ? __bpf_prog_get+0x9b/0x290
[  353.122908]  ? bpf_test_finish.isra.9+0x260/0x260
[  353.127748]  ? __do_sys_bpf+0x1898/0x4570
[  353.131901]  ? bpf_prog_load+0x1db0/0x1db0
[  353.136136]  ? find_held_lock+0x36/0x1c0
[  353.140207]  ? __might_fault+0x12b/0x1e0
[  353.144266]  ? lock_downgrade+0x900/0x900
[  353.148427]  ? lock_release+0xa00/0xa00
[  353.152406]  ? perf_trace_sched_process_exec+0x860/0x860
[  353.157853]  ? posix_ktime_get_ts+0x15/0x20
[  353.162173]  ? trace_hardirqs_off_caller+0x310/0x310
[  353.167296]  ? kasan_check_read+0x11/0x20
[  353.171442]  ? _copy_to_user+0xc8/0x110
[  353.175457]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  353.180997]  ? put_timespec64+0x10f/0x1b0
[  353.185152]  ? nsecs_to_jiffies+0x30/0x30
[  353.189312]  ? trace_hardirqs_off_caller+0x310/0x310
[  353.194428]  ? __x64_sys_bpf+0x73/0xb0
[  353.198321]  ? do_syscall_64+0x1b9/0x820
[  353.202399]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  353.207768]  ? syscall_return_slowpath+0x5e0/0x5e0
[  353.212694]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  353.217536]  ? trace_hardirqs_on_caller+0x310/0x310
[  353.222552]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  353.227567]  ? prepare_exit_to_usermode+0x291/0x3b0
[  353.232591]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  353.237440]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  353.242819] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #181
[  353.242916] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  353.249662] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  353.249667] Call Trace:
[  353.249688]  dump_stack+0x244/0x39d
[  353.249708]  ? dump_stack_print_info.cold.1+0x20/0x20
[  353.256262] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  353.265543]  warn_alloc.cold.116+0xb7/0x1bd
[  353.268098] syz-executor0 cpuset=syz0 mems_allowed=0
[  353.271716]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  353.301587]  ? lock_downgrade+0x900/0x900
[  353.305744]  ? trace_hardirqs_off+0xb8/0x310
[  353.310158]  ? trace_hardirqs_off+0xb8/0x310
[  353.314574]  __alloc_pages_slowpath+0x2651/0x2de0
[  353.319443]  ? warn_alloc+0x120/0x120
[  353.323244]  ? print_usage_bug+0xc0/0xc0
[  353.327306]  ? warn_alloc+0x120/0x120
[  353.331108]  ? warn_alloc+0x120/0x120
[  353.334910]  ? print_usage_bug+0xc0/0xc0
[  353.338973]  ? print_usage_bug+0xc0/0xc0
[  353.343037]  ? __lock_acquire+0x62f/0x4c20
[  353.347278]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  353.352814]  ? should_fail+0x22d/0xd01
[  353.356703]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  353.361808]  ? __lock_acquire+0x62f/0x4c20
[  353.366050]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  353.371154]  ? __lock_acquire+0x62f/0x4c20
[  353.375398]  ? should_fail+0x22d/0xd01
[  353.379284]  ? find_held_lock+0x36/0x1c0
[  353.383355]  ? mark_held_locks+0x130/0x130
[  353.387605]  ? mark_held_locks+0x130/0x130
[  353.391840]  ? zap_class+0x640/0x640
[  353.395559]  ? zap_class+0x640/0x640
[  353.399278]  ? print_usage_bug+0xc0/0xc0
[  353.403338]  ? do_raw_spin_unlock+0xa7/0x330
[  353.407755]  ? zap_class+0x640/0x640
[  353.411469]  ? print_usage_bug+0xc0/0xc0
[  353.415533]  ? wq_watchdog_touch+0x9c/0xfe
[  353.419769]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.425309]  ? check_preemption_disabled+0x48/0x280
[  353.430332]  ? __lock_is_held+0xb5/0x140
[  353.434410]  __alloc_pages_nodemask+0xad8/0xea0
[  353.439076]  ? zap_class+0x640/0x640
[  353.442797]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  353.447820]  ? find_held_lock+0x36/0x1c0
[  353.451891]  ? ____cache_alloc_node+0x1c7/0x1e0
[  353.456559]  ? lock_downgrade+0x900/0x900
[  353.460714]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.466253]  cache_grow_begin+0xa5/0x8c0
[  353.470316]  ? do_raw_spin_unlock+0xa7/0x330
[  353.474732]  fallback_alloc+0x204/0x2e0
[  353.478710]  ____cache_alloc_node+0x1c7/0x1e0
[  353.483208]  kmem_cache_alloc_node+0xe3/0x730
[  353.487708]  ? ipv6_get_ifaddr+0x42e/0x620
[  353.491959]  __alloc_skb+0x119/0x770
[  353.495676]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  353.500983]  ? netdev_alloc_frag+0x1f0/0x1f0
[  353.505401]  ? lock_downgrade+0x900/0x900
[  353.509554]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.515093]  ? refcount_sub_and_test_checked+0x203/0x310
[  353.520576]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  353.526026]  ? addrconf_rs_timer+0x690/0x690
[  353.530443]  ndisc_alloc_skb+0x144/0x340
[  353.534513]  ndisc_send_rs+0x331/0x6e0
[  353.538412]  addrconf_rs_timer+0x314/0x690
[  353.542650]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  353.546897]  call_timer_fn+0x272/0x920
[  353.550783]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  353.555017]  ? process_timeout+0x40/0x40
[  353.559082]  ? __run_timers+0x7da/0xc70
[  353.563061]  ? _raw_spin_unlock_irq+0x27/0x80
[  353.567552]  ? _raw_spin_unlock_irq+0x27/0x80
[  353.572044]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  353.576277]  ? lockdep_hardirqs_on+0x296/0x5b0
[  353.580858]  ? trace_hardirqs_on+0xbd/0x310
[  353.585178]  ? kasan_check_read+0x11/0x20
[  353.589323]  ? __run_timers+0x7da/0xc70
[  353.593312]  ? trace_hardirqs_off_caller+0x310/0x310
[  353.598422]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  353.602663]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  353.606892]  __run_timers+0x7e5/0xc70
[  353.610701]  ? timer_fixup_init+0x70/0x70
[  353.614846]  ? _raw_spin_unlock_irq+0x27/0x80
[  353.619338]  ? _raw_spin_unlock_irq+0x27/0x80
[  353.623843]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  353.628427]  ? trace_hardirqs_on+0xbd/0x310
[  353.632747]  ? kasan_check_read+0x11/0x20
[  353.636895]  ? finish_task_switch+0x1f4/0x910
[  353.641395]  ? trace_hardirqs_off_caller+0x310/0x310
[  353.646500]  ? compat_start_thread+0x80/0x80
[  353.650926]  ? pvclock_read_flags+0x160/0x160
[  353.655421]  ? __switch_to_asm+0x34/0x70
[  353.659491]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.665027]  ? check_preemption_disabled+0x48/0x280
[  353.670053]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  353.675591]  ? rcu_pm_notify+0xc0/0xc0
[  353.679485]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.685020]  ? check_preemption_disabled+0x48/0x280
[  353.690038]  run_timer_softirq+0x52/0xb0
[  353.694100]  ? rcu_read_lock_sched_held+0x14f/0x180
[  353.699115]  __do_softirq+0x308/0xb7e
[  353.702916]  ? retint_kernel+0x2d/0x2d
[  353.706808]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  353.711909]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  353.717365]  ? rcu_irq_enter+0x18c/0x310
[  353.721434]  ? schedule+0x108/0x460
[  353.725059]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  353.729821]  ? trace_hardirqs_off+0xb8/0x310
[  353.734232]  ? smpboot_thread_fn+0x68b/0xa00
[  353.738638]  ? trace_hardirqs_on+0x310/0x310
[  353.743046]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  353.748584]  ? check_preemption_disabled+0x48/0x280
[  353.753606]  ? takeover_tasklets+0xa90/0xa90
[  353.758019]  run_ksoftirqd+0x5e/0x100
[  353.761818]  smpboot_thread_fn+0x68b/0xa00
[  353.766056]  ? sort_range+0x30/0x30
[  353.769681]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  353.774784]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  353.780321]  ? __kthread_parkme+0xfb/0x1a0
[  353.784568]  ? sort_range+0x30/0x30
[  353.788198]  kthread+0x35a/0x440
[  353.791563]  ? kthread_stop+0x900/0x900
[  353.795540]  ret_from_fork+0x3a/0x50
[  353.799269] CPU: 1 PID: 16176 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #181
[  353.799274] warn_alloc_show_mem: 1 callbacks suppressed
[  353.799280] Mem-Info:
[  353.806634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  353.812001] active_anon:54949 inactive_anon:10067 isolated_anon:0
[  353.812001]  active_file:12 inactive_file:12 isolated_file:0
[  353.812001]  unevictable:0 dirty:0 writeback:0 unstable:0
[  353.812001]  slab_reclaimable:9454 slab_unreclaimable:1442611
[  353.812001]  mapped:40962 shmem:10230 pagetables:596 bounce:0
[  353.812001]  free:13765 free_pcp:525 free_cma:0
[  353.814378] Call Trace:
[  353.823749] Node 0 active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:40920kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 202752kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  353.856939]  <IRQ>
[  353.859507] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  353.887357]  dump_stack+0x244/0x39d
[  353.889485] lowmem_reserve[]: 0 2818 6321 6321
[  353.915587]  ? dump_stack_print_info.cold.1+0x20/0x20
[  353.919192] Node 0 DMA32 free:25248kB 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:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  353.923777]  warn_alloc.cold.116+0xb7/0x1bd
[  353.928932] lowmem_reserve[]: 0 0 3503 3503
[  353.956250]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  353.960548] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2384kB bounce:0kB free_pcp:1852kB local_pcp:1500kB free_cma:0kB
[  353.964867]  ? lock_downgrade+0x900/0x900
[  353.969683] lowmem_reserve[]: 0 0 0 0
[  353.998912]  ? trace_hardirqs_off+0xb8/0x310
[  354.003034] 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
[  354.006829]  ? trace_hardirqs_off+0xb8/0x310
[  354.011211] Node 0 DMA32: 4*4kB (UM) 0*8kB 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB
[  354.024733]  __alloc_pages_slowpath+0x2651/0x2de0
[  354.029113] Node 0 Normal: 1308*4kB (ME) 392*8kB (UME) 140*16kB (ME) 47*32kB (ME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  354.044040]  ? warn_alloc+0x120/0x120
[  354.048847] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  354.063481]  ? print_usage_bug+0xc0/0xc0
[  354.067261] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  354.076084]  ? warn_alloc+0x120/0x120
[  354.080120] 10254 total pagecache pages
[  354.088683]  ? warn_alloc+0x120/0x120
[  354.092465] 0 pages in swap cache
[  354.096423]  ? print_usage_bug+0xc0/0xc0
[  354.100200] Swap cache stats: add 0, delete 0, find 0/0
[  354.103643]  ? kvm_clock_read+0x18/0x30
[  354.107678] Free swap  = 0kB
[  354.113033]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  354.116980] Total swap = 0kB
[  354.119992]  ? print_usage_bug+0xc0/0xc0
[  354.124983] 1965979 pages RAM
[  354.127993]  ? __lock_acquire+0x62f/0x4c20
[  354.132025] 0 pages HighMem/MovableOnly
[  354.132032] 342853 pages reserved
[  354.135131]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  354.139363] 0 pages cma reserved
[  354.143336]  ? should_fail+0x22d/0xd01
[  354.146833] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  354.152285]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  354.152303]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  354.155744] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  354.159536]  ? __lock_acquire+0x62f/0x4c20
[  354.166002] ksoftirqd/0 cpuset=/ mems_allowed=0
[  354.171270]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  354.200611]  ? __lock_acquire+0x62f/0x4c20
[  354.204848]  ? should_fail+0x22d/0xd01
[  354.208736]  ? rcu_irq_exit+0x1a2/0x390
[  354.212716]  ? mark_held_locks+0x130/0x130
[  354.216953]  ? mark_held_locks+0x130/0x130
[  354.221192]  ? mark_held_locks+0xc7/0x130
[  354.225367]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  354.230384]  ? zap_class+0x640/0x640
[  354.234095]  ? print_usage_bug+0xc0/0xc0
[  354.238159]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.243695]  ? check_preemption_disabled+0x48/0x280
[  354.248719]  ? __lock_is_held+0xb5/0x140
[  354.252784]  __alloc_pages_nodemask+0xad8/0xea0
[  354.257452]  ? zap_class+0x640/0x640
[  354.261168]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  354.266191]  ? find_held_lock+0x36/0x1c0
[  354.270259]  ? ____cache_alloc_node+0x1c7/0x1e0
[  354.274927]  ? lock_downgrade+0x900/0x900
[  354.279083]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.284625]  cache_grow_begin+0xa5/0x8c0
[  354.288687]  ? do_raw_spin_unlock+0xa7/0x330
[  354.293102]  fallback_alloc+0x204/0x2e0
[  354.297084]  ____cache_alloc_node+0x1c7/0x1e0
[  354.301585]  kmem_cache_alloc_node+0xe3/0x730
[  354.306083]  ? ipv6_get_ifaddr+0x42e/0x620
[  354.310338]  __alloc_skb+0x119/0x770
[  354.314051]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  354.319589]  ? netdev_alloc_frag+0x1f0/0x1f0
[  354.323997]  ? lock_downgrade+0x900/0x900
[  354.328155]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.333691]  ? refcount_sub_and_test_checked+0x203/0x310
[  354.339142]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  354.344594]  ? addrconf_rs_timer+0x690/0x690
[  354.349011]  ndisc_alloc_skb+0x144/0x340
[  354.353076]  ndisc_send_rs+0x331/0x6e0
[  354.356967]  addrconf_rs_timer+0x314/0x690
[  354.361210]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  354.365452]  call_timer_fn+0x272/0x920
[  354.369340]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  354.373573]  ? process_timeout+0x40/0x40
[  354.377644]  ? __run_timers+0x7da/0xc70
[  354.381618]  ? _raw_spin_unlock_irq+0x27/0x80
[  354.386113]  ? _raw_spin_unlock_irq+0x27/0x80
[  354.390609]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  354.394842]  ? lockdep_hardirqs_on+0x296/0x5b0
[  354.399429]  ? trace_hardirqs_on+0xbd/0x310
[  354.403754]  ? kasan_check_read+0x11/0x20
[  354.407898]  ? __run_timers+0x7da/0xc70
[  354.411871]  ? trace_hardirqs_off_caller+0x310/0x310
[  354.416976]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  354.421213]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  354.425444]  __run_timers+0x7e5/0xc70
[  354.429251]  ? timer_fixup_init+0x70/0x70
[  354.433403]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  354.438423]  ? zap_class+0x640/0x640
[  354.442143]  ? enqueue_hrtimer+0x1a5/0x560
[  354.446388]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  354.451596]  ? find_held_lock+0x36/0x1c0
[  354.455661]  ? zap_class+0x640/0x640
[  354.459375]  ? pvclock_read_flags+0x160/0x160
[  354.463869]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.469405]  ? check_preemption_disabled+0x48/0x280
[  354.474420]  ? __lock_is_held+0xb5/0x140
[  354.478472]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.484515]  ? check_preemption_disabled+0x48/0x280
[  354.489535]  run_timer_softirq+0x52/0xb0
[  354.493586]  ? rcu_read_lock_sched_held+0x14f/0x180
[  354.498593]  __do_softirq+0x308/0xb7e
[  354.502386]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  354.506867]  ? lock_downgrade+0x900/0x900
[  354.511005]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  354.516194]  ? pvclock_read_flags+0x160/0x160
[  354.520684]  ? lapic_next_event+0x5a/0x90
[  354.524830]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.530360]  ? kvm_clock_read+0x18/0x30
[  354.534336]  ? kvm_sched_clock_read+0x9/0x20
[  354.538740]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.544269]  ? check_preemption_disabled+0x48/0x280
[  354.549299]  irq_exit+0x17f/0x1c0
[  354.552749]  smp_apic_timer_interrupt+0x1cb/0x760
[  354.557583]  ? smp_reschedule_interrupt+0x109/0x650
[  354.562594]  ? smp_call_function_single_interrupt+0x650/0x650
[  354.568469]  ? interrupt_entry+0xb5/0xc0
[  354.572522]  ? trace_hardirqs_off_caller+0xbb/0x310
[  354.577526]  ? trace_hardirqs_off_caller+0xbb/0x310
[  354.582543]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  354.587371]  ? trace_hardirqs_on_caller+0x310/0x310
[  354.592376]  ? trace_hardirqs_on_caller+0x310/0x310
[  354.597387]  ? task_prio+0x50/0x50
[  354.600914]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.606442]  ? check_preemption_disabled+0x48/0x280
[  354.611452]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  354.616296]  apic_timer_interrupt+0xf/0x20
[  354.620533]  </IRQ>
[  354.622765] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  354.628643] Code: 3e 7e 0f 85 32 ff ff ff e8 03 6a 3d ff e9 28 ff ff ff e8 4a 99 c2 ff 48 83 3d c2 ed 8e 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 ca 05
[  354.647534] RSP: 0018:ffff888198b071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  354.655235] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  354.662493] RDX: 0000000000000000 RSI: ffff8881bbc289c0 RDI: 0000000000000286
[  354.669749] RBP: ffff888198b07250 R08: ffff8881bbc28140 R09: 0000000000000000
[  354.677006] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800940
[  354.684267] R13: ffff8881da800940 R14: 0000000000000000 R15: 0000000000000286
[  354.691547]  ? save_stack+0xa9/0xd0
[  354.695174]  __kmalloc_node_track_caller+0x3c/0x70
[  354.700100]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  354.704852]  pskb_expand_head+0x230/0x10f0
[  354.709079]  ? memcpy+0x45/0x50
[  354.712358]  ? __copy_skb_header+0x350/0x6b0
[  354.716756]  ? skb_release_data+0x9a0/0x9a0
[  354.721083]  ? __alloc_skb+0x770/0x770
[  354.724972]  ? __lock_is_held+0xb5/0x140
[  354.729035]  ? kasan_check_write+0x14/0x20
[  354.733261]  ? __skb_clone+0x6c7/0xa00
[  354.737145]  ? __copy_skb_header+0x6b0/0x6b0
[  354.741645]  ? kmem_cache_alloc+0x33a/0x730
[  354.745959]  skb_ensure_writable+0x3dd/0x640
[  354.750359]  ? skb_checksum_setup+0xaa0/0xaa0
[  354.754842]  ? check_preemption_disabled+0x48/0x280
[  354.759847]  ? __this_cpu_preempt_check+0x1c/0x20
[  354.764676]  ? __bpf_redirect+0x55b/0xb60
[  354.768842]  bpf_clone_redirect+0x14a/0x490
[  354.773155]  bpf_prog_88483476fbe68a28+0x6f0/0x1000
[  354.778164]  ? __sched_text_start+0x8/0x8
[  354.782310]  ? find_held_lock+0x36/0x1c0
[  354.786370]  ? lock_acquire+0x1ed/0x520
[  354.790341]  ? bpf_test_run+0x3ee/0x7a0
[  354.794301]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.799824]  ? check_preemption_disabled+0x48/0x280
[  354.804834]  ? kasan_check_read+0x11/0x20
[  354.808974]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  354.814238]  ? rcu_softirq_qs+0x20/0x20
[  354.818224]  ? preempt_schedule+0x4d/0x60
[  354.822357]  ? ___preempt_schedule+0x16/0x18
[  354.826762]  ? bpf_test_run+0x271/0x7a0
[  354.830739]  ? netlink_diag_dump+0x2a0/0x2a0
[  354.835139]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  354.840669]  ? bpf_test_init.isra.10+0x70/0x100
[  354.845361]  ? bpf_prog_test_run_skb+0x762/0xd90
[  354.850110]  ? bpf_test_finish.isra.9+0x260/0x260
[  354.854945]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  354.860475]  ? fput+0x130/0x1a0
[  354.863836]  ? __bpf_prog_get+0x9b/0x290
[  354.867906]  ? bpf_test_finish.isra.9+0x260/0x260
[  354.872738]  ? __do_sys_bpf+0x1898/0x4570
[  354.876881]  ? bpf_prog_load+0x1db0/0x1db0
[  354.881111]  ? find_held_lock+0x36/0x1c0
[  354.885171]  ? __might_fault+0x12b/0x1e0
[  354.889227]  ? lock_downgrade+0x900/0x900
[  354.893385]  ? lock_release+0xa00/0xa00
[  354.897343]  ? perf_trace_sched_process_exec+0x860/0x860
[  354.902795]  ? posix_ktime_get_ts+0x15/0x20
[  354.907113]  ? trace_hardirqs_off_caller+0x310/0x310
[  354.912220]  ? kasan_check_read+0x11/0x20
[  354.916356]  ? _copy_to_user+0xc8/0x110
[  354.920320]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  354.925862]  ? put_timespec64+0x10f/0x1b0
[  354.929999]  ? nsecs_to_jiffies+0x30/0x30
[  354.934149]  ? trace_hardirqs_off_caller+0x310/0x310
[  354.939249]  ? __x64_sys_bpf+0x73/0xb0
[  354.943150]  ? do_syscall_64+0x1b9/0x820
[  354.947286]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  354.952637]  ? syscall_return_slowpath+0x5e0/0x5e0
[  354.957555]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  354.962386]  ? trace_hardirqs_on_caller+0x310/0x310
[  354.967394]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  354.972399]  ? prepare_exit_to_usermode+0x291/0x3b0
[  354.977407]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  354.982242]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  354.987623] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #181
[  354.987697] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  354.994455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  354.994459] Call Trace:
[  354.994474]  dump_stack+0x244/0x39d
[  354.994491]  ? dump_stack_print_info.cold.1+0x20/0x20
[  355.001081] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  355.010371]  warn_alloc.cold.116+0xb7/0x1bd
[  355.012915] syz-executor0 cpuset=syz0 mems_allowed=0
[  355.016526]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  355.046349]  ? lock_downgrade+0x900/0x900
[  355.050493]  ? trace_hardirqs_off+0xb8/0x310
[  355.054897]  ? trace_hardirqs_off+0xb8/0x310
[  355.059302]  __alloc_pages_slowpath+0x2651/0x2de0
[  355.064165]  ? warn_alloc+0x120/0x120
[  355.067964]  ? print_usage_bug+0xc0/0xc0
[  355.072014]  ? warn_alloc+0x120/0x120
[  355.075808]  ? warn_alloc+0x120/0x120
[  355.079598]  ? print_usage_bug+0xc0/0xc0
[  355.083649]  ? print_usage_bug+0xc0/0xc0
[  355.087697]  ? __lock_acquire+0x62f/0x4c20
[  355.091923]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  355.097449]  ? should_fail+0x22d/0xd01
[  355.101338]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  355.106426]  ? __lock_acquire+0x62f/0x4c20
[  355.110652]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  355.115750]  ? __lock_acquire+0x62f/0x4c20
[  355.119967]  ? should_fail+0x22d/0xd01
[  355.123839]  ? find_held_lock+0x36/0x1c0
[  355.127905]  ? mark_held_locks+0x130/0x130
[  355.132128]  ? mark_held_locks+0x130/0x130
[  355.136348]  ? zap_class+0x640/0x640
[  355.140061]  ? mark_held_locks+0xc7/0x130
[  355.144195]  ? do_raw_spin_unlock+0xa7/0x330
[  355.148593]  ? zap_class+0x640/0x640
[  355.152297]  ? print_usage_bug+0xc0/0xc0
[  355.156354]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.161881]  ? check_preemption_disabled+0x48/0x280
[  355.166901]  ? __lock_is_held+0xb5/0x140
[  355.170952]  __alloc_pages_nodemask+0xad8/0xea0
[  355.175605]  ? zap_class+0x640/0x640
[  355.179311]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  355.184328]  ? find_held_lock+0x36/0x1c0
[  355.188382]  ? ____cache_alloc_node+0x1c7/0x1e0
[  355.193056]  ? lock_downgrade+0x900/0x900
[  355.197197]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.202741]  cache_grow_begin+0xa5/0x8c0
[  355.206789]  ? do_raw_spin_unlock+0xa7/0x330
[  355.211189]  fallback_alloc+0x204/0x2e0
[  355.215157]  ____cache_alloc_node+0x1c7/0x1e0
[  355.219656]  kmem_cache_alloc_node+0xe3/0x730
[  355.224162]  ? ipv6_get_ifaddr+0x42e/0x620
[  355.228390]  __alloc_skb+0x119/0x770
[  355.232087]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  355.237355]  ? netdev_alloc_frag+0x1f0/0x1f0
[  355.241758]  ? lock_downgrade+0x900/0x900
[  355.245905]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.251537]  ? refcount_sub_and_test_checked+0x203/0x310
[  355.256988]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  355.262427]  ? addrconf_rs_timer+0x690/0x690
[  355.266837]  ndisc_alloc_skb+0x144/0x340
[  355.270892]  ndisc_send_rs+0x331/0x6e0
[  355.274777]  addrconf_rs_timer+0x314/0x690
[  355.279010]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  355.283253]  call_timer_fn+0x272/0x920
[  355.287149]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  355.291379]  ? process_timeout+0x40/0x40
[  355.295440]  ? __run_timers+0x7da/0xc70
[  355.299413]  ? _raw_spin_unlock_irq+0x27/0x80
[  355.303909]  ? _raw_spin_unlock_irq+0x27/0x80
[  355.308388]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  355.312613]  ? lockdep_hardirqs_on+0x296/0x5b0
[  355.317186]  ? trace_hardirqs_on+0xbd/0x310
[  355.321502]  ? kasan_check_read+0x11/0x20
[  355.325653]  ? __run_timers+0x7da/0xc70
[  355.329619]  ? trace_hardirqs_off_caller+0x310/0x310
[  355.334716]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  355.338943]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  355.343163]  __run_timers+0x7e5/0xc70
[  355.346958]  ? timer_fixup_init+0x70/0x70
[  355.351100]  ? _raw_spin_unlock_irq+0x27/0x80
[  355.355583]  ? _raw_spin_unlock_irq+0x27/0x80
[  355.360068]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  355.364642]  ? trace_hardirqs_on+0xbd/0x310
[  355.368956]  ? kasan_check_read+0x11/0x20
[  355.373099]  ? finish_task_switch+0x1f4/0x910
[  355.377591]  ? trace_hardirqs_off_caller+0x310/0x310
[  355.382685]  ? compat_start_thread+0x80/0x80
[  355.387099]  ? pvclock_read_flags+0x160/0x160
[  355.391578]  ? __switch_to_asm+0x34/0x70
[  355.395717]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.401250]  ? check_preemption_disabled+0x48/0x280
[  355.406266]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  355.411794]  ? rcu_pm_notify+0xc0/0xc0
[  355.415675]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.421206]  ? check_preemption_disabled+0x48/0x280
[  355.426228]  run_timer_softirq+0x52/0xb0
[  355.430277]  ? rcu_read_lock_sched_held+0x14f/0x180
[  355.435290]  __do_softirq+0x308/0xb7e
[  355.439099]  ? retint_kernel+0x2d/0x2d
[  355.442980]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  355.448088]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  355.453536]  ? rcu_irq_enter+0x18c/0x310
[  355.457590]  ? schedule+0x108/0x460
[  355.461207]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  355.465963]  ? trace_hardirqs_off+0xb8/0x310
[  355.470387]  ? smpboot_thread_fn+0x68b/0xa00
[  355.474785]  ? trace_hardirqs_on+0x310/0x310
[  355.479180]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  355.484706]  ? check_preemption_disabled+0x48/0x280
[  355.489727]  ? takeover_tasklets+0xa90/0xa90
[  355.494144]  run_ksoftirqd+0x5e/0x100
[  355.497938]  smpboot_thread_fn+0x68b/0xa00
[  355.502168]  ? sort_range+0x30/0x30
[  355.505786]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  355.510893]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  355.516421]  ? __kthread_parkme+0xfb/0x1a0
[  355.520647]  ? sort_range+0x30/0x30
[  355.524263]  kthread+0x35a/0x440
[  355.527618]  ? kthread_stop+0x900/0x900
[  355.531585]  ret_from_fork+0x3a/0x50
[  355.535303] CPU: 1 PID: 16176 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #181
[  355.535307] warn_alloc_show_mem: 1 callbacks suppressed
[  355.535313] Mem-Info:
[  355.542666] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  355.548022] active_anon:54949 inactive_anon:10067 isolated_anon:0
[  355.548022]  active_file:12 inactive_file:12 isolated_file:0
[  355.548022]  unevictable:0 dirty:0 writeback:0 unstable:0
[  355.548022]  slab_reclaimable:9454 slab_unreclaimable:1442611
[  355.548022]  mapped:40962 shmem:10230 pagetables:596 bounce:0
[  355.548022]  free:13765 free_pcp:525 free_cma:0
[  355.550390] Call Trace:
[  355.559751] Node 0 active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:40920kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 202752kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  355.593109]  <IRQ>
[  355.595668] 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
[  355.623500]  dump_stack+0x244/0x39d
[  355.625624] lowmem_reserve[]: 0 2818 6321 6321
[  355.651719]  ? dump_stack_print_info.cold.1+0x20/0x20
[  355.655312] Node 0 DMA32 free:25248kB 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:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  355.659921]  warn_alloc.cold.116+0xb7/0x1bd
[  355.665071] lowmem_reserve[]: 0 0 3503 3503
[  355.692375]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  355.696665] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2384kB bounce:0kB free_pcp:1852kB local_pcp:1500kB free_cma:0kB
[  355.700977]  ? lock_downgrade+0x900/0x900
[  355.705784] lowmem_reserve[]: 0 0 0 0
[  355.735002]  ? trace_hardirqs_off+0xb8/0x310
[  355.739235] 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
[  355.743017]  ? trace_hardirqs_off+0xb8/0x310
[  355.747390] Node 0 DMA32: 4*4kB (UM) 0*8kB 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB
[  355.760901]  __alloc_pages_slowpath+0x2651/0x2de0
[  355.765275] Node 0 Normal: 1308*4kB (ME) 392*8kB (UME) 140*16kB (ME) 47*32kB (ME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  355.780191]  ? warn_alloc+0x120/0x120
[  355.784990] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  355.799619]  ? print_usage_bug+0xc0/0xc0
[  355.803389] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  355.812209]  ? warn_alloc+0x120/0x120
[  355.816246] 10254 total pagecache pages
[  355.824812]  ? warn_alloc+0x120/0x120
[  355.828586] 0 pages in swap cache
[  355.832546]  ? print_usage_bug+0xc0/0xc0
[  355.836314] Swap cache stats: add 0, delete 0, find 0/0
[  355.839744]  ? print_usage_bug+0xc0/0xc0
[  355.843770] Free swap  = 0kB
[  355.849111]  ? __lock_acquire+0x62f/0x4c20
[  355.853139] Total swap = 0kB
[  355.856139]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  355.860338] 1965979 pages RAM
[  355.863340]  ? should_fail+0x22d/0xd01
[  355.868845] 0 pages HighMem/MovableOnly
[  355.871934]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  355.875786] 342853 pages reserved
[  355.879752]  ? __lock_acquire+0x62f/0x4c20
[  355.884819] 0 pages cma reserved
[  355.888284]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  355.892543] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  355.895832]  ? __lock_acquire+0x62f/0x4c20
[  355.895844]  ? should_fail+0x22d/0xd01
[  355.895859]  ? find_held_lock+0x36/0x1c0
[  355.900981] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  355.907411]  ? mark_held_locks+0x130/0x130
[  355.911699] ksoftirqd/0 cpuset=/ mems_allowed=0
[  355.915569]  ? mark_held_locks+0x130/0x130
[  355.942960]  ? zap_class+0x640/0x640
[  355.946669]  ? zap_class+0x640/0x640
[  355.950380]  ? print_usage_bug+0xc0/0xc0
[  355.954442]  ? do_raw_spin_unlock+0xa7/0x330
[  355.958838]  ? zap_class+0x640/0x640
[  355.962540]  ? print_usage_bug+0xc0/0xc0
[  355.966601]  ? wq_watchdog_touch+0x9c/0xfe
[  355.970849]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.976382]  ? check_preemption_disabled+0x48/0x280
[  355.981394]  ? __lock_is_held+0xb5/0x140
[  355.985449]  __alloc_pages_nodemask+0xad8/0xea0
[  355.990105]  ? zap_class+0x640/0x640
[  355.993830]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  355.998857]  ? find_held_lock+0x36/0x1c0
[  356.002918]  ? ____cache_alloc_node+0x1c7/0x1e0
[  356.007595]  ? lock_downgrade+0x900/0x900
[  356.011736]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.017270]  cache_grow_begin+0xa5/0x8c0
[  356.021322]  ? do_raw_spin_unlock+0xa7/0x330
[  356.025736]  fallback_alloc+0x204/0x2e0
[  356.029720]  ____cache_alloc_node+0x1c7/0x1e0
[  356.034220]  kmem_cache_alloc_node+0xe3/0x730
[  356.038709]  ? ipv6_get_ifaddr+0x42e/0x620
[  356.042944]  __alloc_skb+0x119/0x770
[  356.046648]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  356.051918]  ? netdev_alloc_frag+0x1f0/0x1f0
[  356.056318]  ? lock_downgrade+0x900/0x900
[  356.060460]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.066000]  ? refcount_sub_and_test_checked+0x203/0x310
[  356.071443]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  356.076892]  ? addrconf_rs_timer+0x690/0x690
[  356.081297]  ndisc_alloc_skb+0x144/0x340
[  356.085351]  ndisc_send_rs+0x331/0x6e0
[  356.089242]  addrconf_rs_timer+0x314/0x690
[  356.093471]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  356.097721]  call_timer_fn+0x272/0x920
[  356.101613]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  356.105837]  ? process_timeout+0x40/0x40
[  356.109893]  ? __run_timers+0x7da/0xc70
[  356.113856]  ? _raw_spin_unlock_irq+0x27/0x80
[  356.118337]  ? _raw_spin_unlock_irq+0x27/0x80
[  356.122824]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  356.127050]  ? lockdep_hardirqs_on+0x296/0x5b0
[  356.131624]  ? trace_hardirqs_on+0xbd/0x310
[  356.135940]  ? kasan_check_read+0x11/0x20
[  356.140074]  ? __run_timers+0x7da/0xc70
[  356.144037]  ? trace_hardirqs_off_caller+0x310/0x310
[  356.149144]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  356.153375]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  356.157595]  __run_timers+0x7e5/0xc70
[  356.161392]  ? timer_fixup_init+0x70/0x70
[  356.165530]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  356.170537]  ? zap_class+0x640/0x640
[  356.174243]  ? enqueue_hrtimer+0x1a5/0x560
[  356.178478]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  356.183662]  ? find_held_lock+0x36/0x1c0
[  356.187716]  ? zap_class+0x640/0x640
[  356.191422]  ? pvclock_read_flags+0x160/0x160
[  356.195914]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.201453]  ? check_preemption_disabled+0x48/0x280
[  356.206476]  ? __lock_is_held+0xb5/0x140
[  356.210534]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.216061]  ? check_preemption_disabled+0x48/0x280
[  356.221075]  run_timer_softirq+0x52/0xb0
[  356.225126]  ? rcu_read_lock_sched_held+0x14f/0x180
[  356.230129]  __do_softirq+0x308/0xb7e
[  356.233926]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  356.238413]  ? lock_downgrade+0x900/0x900
[  356.242568]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  356.247672]  ? pvclock_read_flags+0x160/0x160
[  356.252176]  ? lapic_next_event+0x5a/0x90
[  356.256312]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.261869]  ? kvm_clock_read+0x18/0x30
[  356.265828]  ? kvm_sched_clock_read+0x9/0x20
[  356.270231]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.275781]  ? check_preemption_disabled+0x48/0x280
[  356.280794]  irq_exit+0x17f/0x1c0
[  356.284235]  smp_apic_timer_interrupt+0x1cb/0x760
[  356.289067]  ? smp_reschedule_interrupt+0x109/0x650
[  356.294076]  ? smp_call_function_single_interrupt+0x650/0x650
[  356.299964]  ? interrupt_entry+0xb5/0xc0
[  356.304015]  ? trace_hardirqs_off_caller+0xbb/0x310
[  356.309024]  ? trace_hardirqs_off_caller+0xbb/0x310
[  356.314092]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  356.319043]  ? trace_hardirqs_on_caller+0x310/0x310
[  356.324049]  ? trace_hardirqs_on_caller+0x310/0x310
[  356.329167]  ? task_prio+0x50/0x50
[  356.332700]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.338262]  ? check_preemption_disabled+0x48/0x280
[  356.343291]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  356.348147]  apic_timer_interrupt+0xf/0x20
[  356.352402]  </IRQ>
[  356.354629] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  356.360500] Code: 3e 7e 0f 85 32 ff ff ff e8 03 6a 3d ff e9 28 ff ff ff e8 4a 99 c2 ff 48 83 3d c2 ed 8e 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 ca 05
[  356.379403] RSP: 0018:ffff888198b071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  356.387101] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  356.394355] RDX: 0000000000000000 RSI: ffff8881bbc289c0 RDI: 0000000000000286
[  356.401619] RBP: ffff888198b07250 R08: ffff8881bbc28140 R09: 0000000000000000
[  356.408877] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800940
[  356.416155] R13: ffff8881da800940 R14: 0000000000000000 R15: 0000000000000286
[  356.423436]  ? save_stack+0xa9/0xd0
[  356.427075]  __kmalloc_node_track_caller+0x3c/0x70
[  356.431999]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  356.436745]  pskb_expand_head+0x230/0x10f0
[  356.440969]  ? memcpy+0x45/0x50
[  356.444249]  ? __copy_skb_header+0x350/0x6b0
[  356.448653]  ? skb_release_data+0x9a0/0x9a0
[  356.452960]  ? __alloc_skb+0x770/0x770
[  356.456840]  ? __lock_is_held+0xb5/0x140
[  356.460895]  ? kasan_check_write+0x14/0x20
[  356.465126]  ? __skb_clone+0x6c7/0xa00
[  356.469097]  ? __copy_skb_header+0x6b0/0x6b0
[  356.473495]  ? kmem_cache_alloc+0x33a/0x730
[  356.477815]  skb_ensure_writable+0x3dd/0x640
[  356.482212]  ? skb_checksum_setup+0xaa0/0xaa0
[  356.487240]  ? check_preemption_disabled+0x48/0x280
[  356.492259]  ? __this_cpu_preempt_check+0x1c/0x20
[  356.497110]  ? __bpf_redirect+0x55b/0xb60
[  356.501252]  bpf_clone_redirect+0x14a/0x490
[  356.505571]  bpf_prog_88483476fbe68a28+0x6f0/0x1000
[  356.510584]  ? __sched_text_start+0x8/0x8
[  356.514731]  ? find_held_lock+0x36/0x1c0
[  356.518790]  ? lock_acquire+0x1ed/0x520
[  356.522777]  ? bpf_test_run+0x3ee/0x7a0
[  356.526742]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.532280]  ? check_preemption_disabled+0x48/0x280
[  356.537307]  ? kasan_check_read+0x11/0x20
[  356.541460]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  356.546722]  ? rcu_softirq_qs+0x20/0x20
[  356.550683]  ? preempt_schedule+0x4d/0x60
[  356.554822]  ? ___preempt_schedule+0x16/0x18
[  356.559228]  ? bpf_test_run+0x271/0x7a0
[  356.563203]  ? netlink_diag_dump+0x2a0/0x2a0
[  356.567604]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  356.573130]  ? bpf_test_init.isra.10+0x70/0x100
[  356.577799]  ? bpf_prog_test_run_skb+0x762/0xd90
[  356.582551]  ? bpf_test_finish.isra.9+0x260/0x260
[  356.587391]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  356.592922]  ? fput+0x130/0x1a0
[  356.596197]  ? __bpf_prog_get+0x9b/0x290
[  356.600251]  ? bpf_test_finish.isra.9+0x260/0x260
[  356.605095]  ? __do_sys_bpf+0x1898/0x4570
[  356.609235]  ? bpf_prog_load+0x1db0/0x1db0
[  356.613463]  ? find_held_lock+0x36/0x1c0
[  356.617530]  ? __might_fault+0x12b/0x1e0
[  356.621583]  ? lock_downgrade+0x900/0x900
[  356.625731]  ? lock_release+0xa00/0xa00
[  356.629695]  ? perf_trace_sched_process_exec+0x860/0x860
[  356.635130]  ? posix_ktime_get_ts+0x15/0x20
[  356.639458]  ? trace_hardirqs_off_caller+0x310/0x310
[  356.644579]  ? kasan_check_read+0x11/0x20
[  356.648717]  ? _copy_to_user+0xc8/0x110
[  356.652690]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  356.658237]  ? put_timespec64+0x10f/0x1b0
[  356.662379]  ? nsecs_to_jiffies+0x30/0x30
[  356.666533]  ? trace_hardirqs_off_caller+0x310/0x310
[  356.671634]  ? __x64_sys_bpf+0x73/0xb0
[  356.675516]  ? do_syscall_64+0x1b9/0x820
[  356.679569]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  356.684926]  ? syscall_return_slowpath+0x5e0/0x5e0
[  356.689848]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  356.694682]  ? trace_hardirqs_on_caller+0x310/0x310
[  356.699689]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  356.704700]  ? prepare_exit_to_usermode+0x291/0x3b0
[  356.709707]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  356.714545]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  356.719916] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #181
[  356.719991] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  356.726746] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  356.726750] Call Trace:
[  356.726767]  dump_stack+0x244/0x39d
[  356.726783]  ? dump_stack_print_info.cold.1+0x20/0x20
[  356.733300] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  356.742592]  warn_alloc.cold.116+0xb7/0x1bd
[  356.745145] syz-executor0 cpuset=syz0 mems_allowed=0
[  356.748754]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  356.778567]  ? lock_downgrade+0x900/0x900
[  356.782709]  ? trace_hardirqs_off+0xb8/0x310
[  356.787113]  ? trace_hardirqs_off+0xb8/0x310
[  356.791521]  __alloc_pages_slowpath+0x2651/0x2de0
[  356.796373]  ? warn_alloc+0x120/0x120
[  356.800174]  ? print_usage_bug+0xc0/0xc0
[  356.804225]  ? warn_alloc+0x120/0x120
[  356.808023]  ? warn_alloc+0x120/0x120
[  356.811818]  ? print_usage_bug+0xc0/0xc0
[  356.815892]  ? print_usage_bug+0xc0/0xc0
[  356.819944]  ? __lock_acquire+0x62f/0x4c20
[  356.824183]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  356.829714]  ? should_fail+0x22d/0xd01
[  356.833599]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  356.838698]  ? __lock_acquire+0x62f/0x4c20
[  356.842926]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  356.848021]  ? __lock_acquire+0x62f/0x4c20
[  356.852246]  ? should_fail+0x22d/0xd01
[  356.856128]  ? find_held_lock+0x36/0x1c0
[  356.860183]  ? mark_held_locks+0x130/0x130
[  356.864408]  ? mark_held_locks+0x130/0x130
[  356.868744]  ? zap_class+0x640/0x640
[  356.872455]  ? zap_class+0x640/0x640
[  356.876164]  ? print_usage_bug+0xc0/0xc0
[  356.880210]  ? do_raw_spin_unlock+0xa7/0x330
[  356.884602]  ? zap_class+0x640/0x640
[  356.888314]  ? print_usage_bug+0xc0/0xc0
[  356.892361]  ? wq_watchdog_touch+0x9c/0xfe
[  356.896592]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.902129]  ? check_preemption_disabled+0x48/0x280
[  356.907152]  ? __lock_is_held+0xb5/0x140
[  356.911219]  __alloc_pages_nodemask+0xad8/0xea0
[  356.915876]  ? zap_class+0x640/0x640
[  356.919581]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  356.924598]  ? find_held_lock+0x36/0x1c0
[  356.928655]  ? ____cache_alloc_node+0x1c7/0x1e0
[  356.933314]  ? lock_downgrade+0x900/0x900
[  356.937455]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.942989]  cache_grow_begin+0xa5/0x8c0
[  356.947041]  ? do_raw_spin_unlock+0xa7/0x330
[  356.951456]  fallback_alloc+0x204/0x2e0
[  356.955422]  ____cache_alloc_node+0x1c7/0x1e0
[  356.959908]  kmem_cache_alloc_node+0xe3/0x730
[  356.964399]  ? ipv6_get_ifaddr+0x42e/0x620
[  356.968636]  __alloc_skb+0x119/0x770
[  356.972356]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  356.977625]  ? netdev_alloc_frag+0x1f0/0x1f0
[  356.982017]  ? lock_downgrade+0x900/0x900
[  356.986161]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.991692]  ? refcount_sub_and_test_checked+0x203/0x310
[  356.997134]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  357.002574]  ? addrconf_rs_timer+0x690/0x690
[  357.006984]  ndisc_alloc_skb+0x144/0x340
[  357.011040]  ndisc_send_rs+0x331/0x6e0
[  357.014920]  addrconf_rs_timer+0x314/0x690
[  357.019150]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  357.023384]  call_timer_fn+0x272/0x920
[  357.027263]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  357.031508]  ? process_timeout+0x40/0x40
[  357.035568]  ? __run_timers+0x7da/0xc70
[  357.039531]  ? _raw_spin_unlock_irq+0x27/0x80
[  357.044018]  ? _raw_spin_unlock_irq+0x27/0x80
[  357.048510]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  357.052740]  ? lockdep_hardirqs_on+0x296/0x5b0
[  357.057314]  ? trace_hardirqs_on+0xbd/0x310
[  357.061622]  ? kasan_check_read+0x11/0x20
[  357.065756]  ? __run_timers+0x7da/0xc70
[  357.069716]  ? trace_hardirqs_off_caller+0x310/0x310
[  357.074809]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  357.079036]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  357.083257]  __run_timers+0x7e5/0xc70
[  357.087056]  ? timer_fixup_init+0x70/0x70
[  357.091194]  ? _raw_spin_unlock_irq+0x27/0x80
[  357.095680]  ? _raw_spin_unlock_irq+0x27/0x80
[  357.100182]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  357.104753]  ? trace_hardirqs_on+0xbd/0x310
[  357.109062]  ? kasan_check_read+0x11/0x20
[  357.113207]  ? finish_task_switch+0x1f4/0x910
[  357.117695]  ? trace_hardirqs_off_caller+0x310/0x310
[  357.122787]  ? compat_start_thread+0x80/0x80
[  357.127203]  ? pvclock_read_flags+0x160/0x160
[  357.131685]  ? __switch_to_asm+0x34/0x70
[  357.135736]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.141281]  ? check_preemption_disabled+0x48/0x280
[  357.146298]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  357.151840]  ? rcu_pm_notify+0xc0/0xc0
[  357.155722]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.161245]  ? check_preemption_disabled+0x48/0x280
[  357.166270]  run_timer_softirq+0x52/0xb0
[  357.170441]  ? rcu_read_lock_sched_held+0x14f/0x180
[  357.175446]  __do_softirq+0x308/0xb7e
[  357.179246]  ? retint_kernel+0x2d/0x2d
[  357.183124]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  357.188220]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  357.193657]  ? rcu_irq_enter+0x18c/0x310
[  357.197711]  ? schedule+0x108/0x460
[  357.201343]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  357.206122]  ? trace_hardirqs_off+0xb8/0x310
[  357.210520]  ? smpboot_thread_fn+0x68b/0xa00
[  357.214918]  ? trace_hardirqs_on+0x310/0x310
[  357.219314]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  357.224841]  ? check_preemption_disabled+0x48/0x280
[  357.229861]  ? takeover_tasklets+0xa90/0xa90
[  357.234258]  run_ksoftirqd+0x5e/0x100
[  357.238051]  smpboot_thread_fn+0x68b/0xa00
[  357.242280]  ? sort_range+0x30/0x30
[  357.245893]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  357.250981]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  357.256502]  ? __kthread_parkme+0xfb/0x1a0
[  357.260724]  ? sort_range+0x30/0x30
[  357.264336]  kthread+0x35a/0x440
[  357.267698]  ? kthread_stop+0x900/0x900
[  357.271663]  ret_from_fork+0x3a/0x50
[  357.275389] CPU: 1 PID: 16176 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #181
[  357.275393] warn_alloc_show_mem: 1 callbacks suppressed
[  357.275399] Mem-Info:
[  357.282759] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  357.288120] active_anon:54949 inactive_anon:10067 isolated_anon:0
[  357.288120]  active_file:12 inactive_file:12 isolated_file:0
[  357.288120]  unevictable:0 dirty:0 writeback:0 unstable:0
[  357.288120]  slab_reclaimable:9454 slab_unreclaimable:1442611
[  357.288120]  mapped:40962 shmem:10230 pagetables:596 bounce:0
[  357.288120]  free:13765 free_pcp:525 free_cma:0
[  357.290486] Call Trace:
[  357.299849] Node 0 active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:40920kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 202752kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  357.333036]  <IRQ>
[  357.335594] 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
[  357.363423]  dump_stack+0x244/0x39d
[  357.365540] lowmem_reserve[]: 0 2818 6321 6321
[  357.391651]  ? dump_stack_print_info.cold.1+0x20/0x20
[  357.395259] Node 0 DMA32 free:25248kB 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:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  357.399875]  warn_alloc.cold.116+0xb7/0x1bd
[  357.405025] lowmem_reserve[]: 0 0 3503 3503
[  357.432333]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  357.436626] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2384kB bounce:0kB free_pcp:1852kB local_pcp:1500kB free_cma:0kB
[  357.440946]  ? lock_downgrade+0x900/0x900
[  357.445751] lowmem_reserve[]: 0 0 0 0
[  357.474982]  ? trace_hardirqs_off+0xb8/0x310
[  357.479094] 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
[  357.482880]  ? trace_hardirqs_off+0xb8/0x310
[  357.487252] Node 0 DMA32: 4*4kB (UM) 0*8kB 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB
[  357.500760]  __alloc_pages_slowpath+0x2651/0x2de0
[  357.505132] Node 0 Normal: 1308*4kB (ME) 392*8kB (UME) 140*16kB (ME) 47*32kB (ME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  357.520060]  ? warn_alloc+0x120/0x120
[  357.524858] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  357.539496]  ? print_usage_bug+0xc0/0xc0
[  357.543286] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  357.552109]  ? warn_alloc+0x120/0x120
[  357.556137] 10254 total pagecache pages
[  357.564695]  ? warn_alloc+0x120/0x120
[  357.568469] 0 pages in swap cache
[  357.572415]  ? print_usage_bug+0xc0/0xc0
[  357.576188] Swap cache stats: add 0, delete 0, find 0/0
[  357.579621]  ? print_usage_bug+0xc0/0xc0
[  357.583651] Free swap  = 0kB
[  357.588998]  ? __lock_acquire+0x62f/0x4c20
[  357.593025] Total swap = 0kB
[  357.596030]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  357.600230] 1965979 pages RAM
[  357.603232]  ? should_fail+0x22d/0xd01
[  357.608736] 0 pages HighMem/MovableOnly
[  357.611832]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  357.615677] 342853 pages reserved
[  357.615684] 0 pages cma reserved
[  357.619639]  ? __lock_acquire+0x62f/0x4c20
[  357.624783] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  357.628157]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  357.631543] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  357.635706]  ? __lock_acquire+0x62f/0x4c20
[  357.642167] ksoftirqd/0 cpuset=/ mems_allowed=0
[  357.647245]  ? should_fail+0x22d/0xd01
[  357.647258]  ? find_held_lock+0x36/0x1c0
[  357.674325]  ? mark_held_locks+0x130/0x130
[  357.678560]  ? mark_held_locks+0x130/0x130
[  357.682786]  ? zap_class+0x640/0x640
[  357.686509]  ? zap_class+0x640/0x640
[  357.690221]  ? print_usage_bug+0xc0/0xc0
[  357.694277]  ? do_raw_spin_unlock+0xa7/0x330
[  357.698677]  ? zap_class+0x640/0x640
[  357.702382]  ? print_usage_bug+0xc0/0xc0
[  357.706434]  ? wq_watchdog_touch+0x9c/0xfe
[  357.710668]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.716201]  ? check_preemption_disabled+0x48/0x280
[  357.721215]  ? __lock_is_held+0xb5/0x140
[  357.725269]  __alloc_pages_nodemask+0xad8/0xea0
[  357.729927]  ? zap_class+0x640/0x640
[  357.733639]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  357.738659]  ? find_held_lock+0x36/0x1c0
[  357.742721]  ? ____cache_alloc_node+0x1c7/0x1e0
[  357.747382]  ? lock_downgrade+0x900/0x900
[  357.751532]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.757075]  cache_grow_begin+0xa5/0x8c0
[  357.761129]  ? do_raw_spin_unlock+0xa7/0x330
[  357.765534]  fallback_alloc+0x204/0x2e0
[  357.769503]  ____cache_alloc_node+0x1c7/0x1e0
[  357.773991]  kmem_cache_alloc_node+0xe3/0x730
[  357.778477]  ? ipv6_get_ifaddr+0x42e/0x620
[  357.782714]  __alloc_skb+0x119/0x770
[  357.786414]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  357.791684]  ? netdev_alloc_frag+0x1f0/0x1f0
[  357.796083]  ? lock_downgrade+0x900/0x900
[  357.800231]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.805760]  ? refcount_sub_and_test_checked+0x203/0x310
[  357.811203]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  357.816657]  ? addrconf_rs_timer+0x690/0x690
[  357.821075]  ndisc_alloc_skb+0x144/0x340
[  357.825307]  ndisc_send_rs+0x331/0x6e0
[  357.829189]  addrconf_rs_timer+0x314/0x690
[  357.833419]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  357.837660]  call_timer_fn+0x272/0x920
[  357.841537]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  357.845795]  ? process_timeout+0x40/0x40
[  357.849860]  ? __run_timers+0x7da/0xc70
[  357.853836]  ? _raw_spin_unlock_irq+0x27/0x80
[  357.858321]  ? _raw_spin_unlock_irq+0x27/0x80
[  357.862817]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  357.867041]  ? lockdep_hardirqs_on+0x296/0x5b0
[  357.871620]  ? trace_hardirqs_on+0xbd/0x310
[  357.875931]  ? kasan_check_read+0x11/0x20
[  357.880077]  ? __run_timers+0x7da/0xc70
[  357.884051]  ? trace_hardirqs_off_caller+0x310/0x310
[  357.889158]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  357.893389]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  357.897626]  __run_timers+0x7e5/0xc70
[  357.901429]  ? timer_fixup_init+0x70/0x70
[  357.905574]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  357.910587]  ? zap_class+0x640/0x640
[  357.914300]  ? enqueue_hrtimer+0x1a5/0x560
[  357.918529]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  357.923713]  ? find_held_lock+0x36/0x1c0
[  357.927768]  ? zap_class+0x640/0x640
[  357.931477]  ? pvclock_read_flags+0x160/0x160
[  357.935965]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.941497]  ? check_preemption_disabled+0x48/0x280
[  357.946523]  ? __lock_is_held+0xb5/0x140
[  357.950576]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.956109]  ? check_preemption_disabled+0x48/0x280
[  357.961127]  run_timer_softirq+0x52/0xb0
[  357.965185]  ? rcu_read_lock_sched_held+0x14f/0x180
[  357.970207]  __do_softirq+0x308/0xb7e
[  357.974004]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  357.978494]  ? lock_downgrade+0x900/0x900
[  357.982641]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  357.987745]  ? pvclock_read_flags+0x160/0x160
[  357.992237]  ? lapic_next_event+0x5a/0x90
[  357.996380]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.001911]  ? kvm_clock_read+0x18/0x30
[  358.005873]  ? kvm_sched_clock_read+0x9/0x20
[  358.010271]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.015806]  ? check_preemption_disabled+0x48/0x280
[  358.020823]  irq_exit+0x17f/0x1c0
[  358.024269]  smp_apic_timer_interrupt+0x1cb/0x760
[  358.029100]  ? smp_reschedule_interrupt+0x109/0x650
[  358.034104]  ? smp_call_function_single_interrupt+0x650/0x650
[  358.039978]  ? interrupt_entry+0xb5/0xc0
[  358.044029]  ? trace_hardirqs_off_caller+0xbb/0x310
[  358.049051]  ? trace_hardirqs_off_caller+0xbb/0x310
[  358.054076]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  358.058908]  ? trace_hardirqs_on_caller+0x310/0x310
[  358.063913]  ? trace_hardirqs_on_caller+0x310/0x310
[  358.068925]  ? task_prio+0x50/0x50
[  358.072466]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.077993]  ? check_preemption_disabled+0x48/0x280
[  358.083000]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  358.087836]  apic_timer_interrupt+0xf/0x20
[  358.092054]  </IRQ>
[  358.094283] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  358.100160] Code: 3e 7e 0f 85 32 ff ff ff e8 03 6a 3d ff e9 28 ff ff ff e8 4a 99 c2 ff 48 83 3d c2 ed 8e 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 ca 05
[  358.119052] RSP: 0018:ffff888198b071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  358.126770] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  358.134038] RDX: 0000000000000000 RSI: ffff8881bbc289c0 RDI: 0000000000000286
[  358.141295] RBP: ffff888198b07250 R08: ffff8881bbc28140 R09: 0000000000000000
[  358.148551] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800940
[  358.155821] R13: ffff8881da800940 R14: 0000000000000000 R15: 0000000000000286
[  358.163104]  ? save_stack+0xa9/0xd0
[  358.166732]  __kmalloc_node_track_caller+0x3c/0x70
[  358.171653]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  358.176400]  pskb_expand_head+0x230/0x10f0
[  358.180628]  ? memcpy+0x45/0x50
[  358.183897]  ? __copy_skb_header+0x350/0x6b0
[  358.188298]  ? skb_release_data+0x9a0/0x9a0
[  358.192608]  ? __alloc_skb+0x770/0x770
[  358.196496]  ? __lock_is_held+0xb5/0x140
[  358.200555]  ? kasan_check_write+0x14/0x20
[  358.204795]  ? __skb_clone+0x6c7/0xa00
[  358.208672]  ? __copy_skb_header+0x6b0/0x6b0
[  358.213068]  ? kmem_cache_alloc+0x33a/0x730
[  358.217386]  skb_ensure_writable+0x3dd/0x640
[  358.221907]  ? skb_checksum_setup+0xaa0/0xaa0
[  358.226396]  ? check_preemption_disabled+0x48/0x280
[  358.231417]  ? __this_cpu_preempt_check+0x1c/0x20
[  358.236249]  ? __bpf_redirect+0x55b/0xb60
[  358.240394]  bpf_clone_redirect+0x14a/0x490
[  358.244712]  bpf_prog_88483476fbe68a28+0x6f0/0x1000
[  358.249731]  ? __sched_text_start+0x8/0x8
[  358.253882]  ? find_held_lock+0x36/0x1c0
[  358.257937]  ? lock_acquire+0x1ed/0x520
[  358.261903]  ? bpf_test_run+0x3ee/0x7a0
[  358.265867]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.271394]  ? check_preemption_disabled+0x48/0x280
[  358.276406]  ? kasan_check_read+0x11/0x20
[  358.280559]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  358.285822]  ? rcu_softirq_qs+0x20/0x20
[  358.289792]  ? preempt_schedule+0x4d/0x60
[  358.293931]  ? ___preempt_schedule+0x16/0x18
[  358.298340]  ? bpf_test_run+0x271/0x7a0
[  358.302318]  ? netlink_diag_dump+0x2a0/0x2a0
[  358.306717]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  358.312239]  ? bpf_test_init.isra.10+0x70/0x100
[  358.317100]  ? bpf_prog_test_run_skb+0x762/0xd90
[  358.321852]  ? bpf_test_finish.isra.9+0x260/0x260
[  358.326690]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  358.332217]  ? fput+0x130/0x1a0
[  358.335519]  ? __bpf_prog_get+0x9b/0x290
[  358.339574]  ? bpf_test_finish.isra.9+0x260/0x260
[  358.344402]  ? __do_sys_bpf+0x1898/0x4570
[  358.348558]  ? bpf_prog_load+0x1db0/0x1db0
[  358.352787]  ? find_held_lock+0x36/0x1c0
[  358.356848]  ? __might_fault+0x12b/0x1e0
[  358.360898]  ? lock_downgrade+0x900/0x900
[  358.365042]  ? lock_release+0xa00/0xa00
[  358.369005]  ? perf_trace_sched_process_exec+0x860/0x860
[  358.374451]  ? posix_ktime_get_ts+0x15/0x20
[  358.378778]  ? trace_hardirqs_off_caller+0x310/0x310
[  358.383885]  ? kasan_check_read+0x11/0x20
[  358.388026]  ? _copy_to_user+0xc8/0x110
[  358.391988]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  358.397520]  ? put_timespec64+0x10f/0x1b0
[  358.401656]  ? nsecs_to_jiffies+0x30/0x30
[  358.405801]  ? trace_hardirqs_off_caller+0x310/0x310
[  358.410895]  ? __x64_sys_bpf+0x73/0xb0
[  358.414784]  ? do_syscall_64+0x1b9/0x820
[  358.418841]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  358.424194]  ? syscall_return_slowpath+0x5e0/0x5e0
[  358.429108]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  358.433939]  ? trace_hardirqs_on_caller+0x310/0x310
[  358.438951]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  358.443957]  ? prepare_exit_to_usermode+0x291/0x3b0
[  358.448969]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  358.453803]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  358.459166] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #181
[  358.459237] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  358.466010] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  358.466015] Call Trace:
[  358.466033]  dump_stack+0x244/0x39d
[  358.466050]  ? dump_stack_print_info.cold.1+0x20/0x20
[  358.472562] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  358.481850]  warn_alloc.cold.116+0xb7/0x1bd
[  358.484936] syz-executor0 cpuset=syz0 mems_allowed=0
[  358.488551]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  358.518508]  ? lock_downgrade+0x900/0x900
[  358.522649]  ? trace_hardirqs_off+0xb8/0x310
[  358.527157]  ? trace_hardirqs_off+0xb8/0x310
[  358.531563]  __alloc_pages_slowpath+0x2651/0x2de0
[  358.536436]  ? warn_alloc+0x120/0x120
[  358.540224]  ? print_usage_bug+0xc0/0xc0
[  358.544275]  ? warn_alloc+0x120/0x120
[  358.548070]  ? warn_alloc+0x120/0x120
[  358.551881]  ? print_usage_bug+0xc0/0xc0
[  358.555936]  ? print_usage_bug+0xc0/0xc0
[  358.559986]  ? __lock_acquire+0x62f/0x4c20
[  358.564221]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  358.569750]  ? should_fail+0x22d/0xd01
[  358.573633]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  358.578725]  ? __lock_acquire+0x62f/0x4c20
[  358.582956]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  358.588055]  ? __lock_acquire+0x62f/0x4c20
[  358.592277]  ? should_fail+0x22d/0xd01
[  358.596153]  ? find_held_lock+0x36/0x1c0
[  358.600209]  ? mark_held_locks+0x130/0x130
[  358.604455]  ? mark_held_locks+0x130/0x130
[  358.608706]  ? zap_class+0x640/0x640
[  358.612410]  ? zap_class+0x640/0x640
[  358.616118]  ? print_usage_bug+0xc0/0xc0
[  358.620189]  ? do_raw_spin_unlock+0xa7/0x330
[  358.624587]  ? zap_class+0x640/0x640
[  358.628292]  ? print_usage_bug+0xc0/0xc0
[  358.632341]  ? wq_watchdog_touch+0x9c/0xfe
[  358.636565]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.642096]  ? check_preemption_disabled+0x48/0x280
[  358.647105]  ? __lock_is_held+0xb5/0x140
[  358.651158]  __alloc_pages_nodemask+0xad8/0xea0
[  358.655818]  ? zap_class+0x640/0x640
[  358.659521]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  358.664539]  ? find_held_lock+0x36/0x1c0
[  358.668600]  ? ____cache_alloc_node+0x1c7/0x1e0
[  358.673265]  ? lock_downgrade+0x900/0x900
[  358.677411]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.682942]  cache_grow_begin+0xa5/0x8c0
[  358.686998]  ? do_raw_spin_unlock+0xa7/0x330
[  358.691406]  fallback_alloc+0x204/0x2e0
[  358.695374]  ____cache_alloc_node+0x1c7/0x1e0
[  358.699872]  kmem_cache_alloc_node+0xe3/0x730
[  358.704359]  ? ipv6_get_ifaddr+0x42e/0x620
[  358.708602]  __alloc_skb+0x119/0x770
[  358.712304]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  358.717575]  ? netdev_alloc_frag+0x1f0/0x1f0
[  358.721972]  ? lock_downgrade+0x900/0x900
[  358.726122]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.731648]  ? refcount_sub_and_test_checked+0x203/0x310
[  358.737109]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  358.742550]  ? addrconf_rs_timer+0x690/0x690
[  358.746957]  ndisc_alloc_skb+0x144/0x340
[  358.751033]  ndisc_send_rs+0x331/0x6e0
[  358.754938]  addrconf_rs_timer+0x314/0x690
[  358.759166]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  358.763394]  call_timer_fn+0x272/0x920
[  358.767280]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  358.771509]  ? process_timeout+0x40/0x40
[  358.775563]  ? __run_timers+0x7da/0xc70
[  358.779529]  ? _raw_spin_unlock_irq+0x27/0x80
[  358.784009]  ? _raw_spin_unlock_irq+0x27/0x80
[  358.788491]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  358.792713]  ? lockdep_hardirqs_on+0x296/0x5b0
[  358.797286]  ? trace_hardirqs_on+0xbd/0x310
[  358.801598]  ? kasan_check_read+0x11/0x20
[  358.805730]  ? __run_timers+0x7da/0xc70
[  358.809696]  ? trace_hardirqs_off_caller+0x310/0x310
[  358.814789]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  358.819014]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  358.823242]  __run_timers+0x7e5/0xc70
[  358.827038]  ? timer_fixup_init+0x70/0x70
[  358.831171]  ? _raw_spin_unlock_irq+0x27/0x80
[  358.835669]  ? _raw_spin_unlock_irq+0x27/0x80
[  358.840153]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  358.844824]  ? trace_hardirqs_on+0xbd/0x310
[  358.849144]  ? kasan_check_read+0x11/0x20
[  358.853285]  ? finish_task_switch+0x1f4/0x910
[  358.857772]  ? trace_hardirqs_off_caller+0x310/0x310
[  358.862866]  ? compat_start_thread+0x80/0x80
[  358.867278]  ? pvclock_read_flags+0x160/0x160
[  358.871758]  ? __switch_to_asm+0x34/0x70
[  358.875811]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.881336]  ? check_preemption_disabled+0x48/0x280
[  358.886346]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  358.891955]  ? rcu_pm_notify+0xc0/0xc0
[  358.895834]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.901359]  ? check_preemption_disabled+0x48/0x280
[  358.906368]  run_timer_softirq+0x52/0xb0
[  358.910420]  ? rcu_read_lock_sched_held+0x14f/0x180
[  358.915430]  __do_softirq+0x308/0xb7e
[  358.919247]  ? retint_kernel+0x2d/0x2d
[  358.923140]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  358.928239]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  358.933676]  ? rcu_irq_enter+0x18c/0x310
[  358.937733]  ? schedule+0x108/0x460
[  358.941354]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  358.946107]  ? trace_hardirqs_off+0xb8/0x310
[  358.950505]  ? smpboot_thread_fn+0x68b/0xa00
[  358.954910]  ? trace_hardirqs_on+0x310/0x310
[  358.959312]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  358.964838]  ? check_preemption_disabled+0x48/0x280
[  358.969847]  ? takeover_tasklets+0xa90/0xa90
[  358.974247]  run_ksoftirqd+0x5e/0x100
[  358.978037]  smpboot_thread_fn+0x68b/0xa00
[  358.982269]  ? sort_range+0x30/0x30
[  358.985883]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  358.990981]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  358.996592]  ? __kthread_parkme+0xfb/0x1a0
[  359.000821]  ? sort_range+0x30/0x30
[  359.004442]  kthread+0x35a/0x440
[  359.007802]  ? kthread_stop+0x900/0x900
[  359.011780]  ret_from_fork+0x3a/0x50
[  359.015505] CPU: 1 PID: 16176 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #181
[  359.015509] warn_alloc_show_mem: 1 callbacks suppressed
[  359.015515] Mem-Info:
[  359.022861] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  359.028232] active_anon:54949 inactive_anon:10067 isolated_anon:0
[  359.028232]  active_file:12 inactive_file:12 isolated_file:0
[  359.028232]  unevictable:0 dirty:0 writeback:0 unstable:0
[  359.028232]  slab_reclaimable:9454 slab_unreclaimable:1442611
[  359.028232]  mapped:40962 shmem:10230 pagetables:596 bounce:0
[  359.028232]  free:13765 free_pcp:525 free_cma:0
[  359.030591] Call Trace:
[  359.039970] Node 0 active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:40920kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 202752kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  359.073150]  <IRQ>
[  359.075710] 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
[  359.103543]  dump_stack+0x244/0x39d
[  359.105659] lowmem_reserve[]: 0 2818 6321 6321
[  359.131753]  ? dump_stack_print_info.cold.1+0x20/0x20
[  359.135353] Node 0 DMA32 free:25248kB 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:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  359.139930]  warn_alloc.cold.116+0xb7/0x1bd
[  359.145078] lowmem_reserve[]: 0 0 3503 3503
[  359.172385]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  359.176672] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2384kB bounce:0kB free_pcp:1852kB local_pcp:1500kB free_cma:0kB
[  359.180983]  ? lock_downgrade+0x900/0x900
[  359.185793] lowmem_reserve[]: 0 0 0 0
[  359.215011]  ? trace_hardirqs_off+0xb8/0x310
[  359.219123] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  359.222916]  ? trace_hardirqs_off+0xb8/0x310
[  359.227291] Node 0 DMA32: 4*4kB (UM) 0*8kB 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB
[  359.240808]  __alloc_pages_slowpath+0x2651/0x2de0
[  359.245180] Node 0 Normal: 1308*4kB (ME) 392*8kB (UME) 140*16kB (ME) 47*32kB (ME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  359.260099]  ? warn_alloc+0x120/0x120
[  359.264896] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  359.279524]  ? print_usage_bug+0xc0/0xc0
[  359.283300] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  359.292121]  ? warn_alloc+0x120/0x120
[  359.296150] 10254 total pagecache pages
[  359.304710]  ? warn_alloc+0x120/0x120
[  359.308484] 0 pages in swap cache
[  359.312439]  ? print_usage_bug+0xc0/0xc0
[  359.316216] Swap cache stats: add 0, delete 0, find 0/0
[  359.319650]  ? print_usage_bug+0xc0/0xc0
[  359.323678] Free swap  = 0kB
[  359.329018]  ? __lock_acquire+0x62f/0x4c20
[  359.333047] Total swap = 0kB
[  359.336053]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  359.340254] 1965979 pages RAM
[  359.343255]  ? should_fail+0x22d/0xd01
[  359.348760] 0 pages HighMem/MovableOnly
[  359.351845]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  359.355693] 342853 pages reserved
[  359.355703] 0 pages cma reserved
[  359.359654]  ? __lock_acquire+0x62f/0x4c20
[  359.364798] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  359.368165]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  359.371560] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  359.375725]  ? __lock_acquire+0x62f/0x4c20
[  359.382181] ksoftirqd/0 cpuset=/ mems_allowed=0
[  359.387257]  ? should_fail+0x22d/0xd01
[  359.387269]  ? find_held_lock+0x36/0x1c0
[  359.414327]  ? mark_held_locks+0x130/0x130
[  359.418552]  ? mark_held_locks+0x130/0x130
[  359.422774]  ? zap_class+0x640/0x640
[  359.426477]  ? zap_class+0x640/0x640
[  359.430183]  ? print_usage_bug+0xc0/0xc0
[  359.434237]  ? do_raw_spin_unlock+0xa7/0x330
[  359.438639]  ? zap_class+0x640/0x640
[  359.442345]  ? print_usage_bug+0xc0/0xc0
[  359.446399]  ? wq_watchdog_touch+0x9c/0xfe
[  359.450626]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.456154]  ? check_preemption_disabled+0x48/0x280
[  359.461169]  ? __lock_is_held+0xb5/0x140
[  359.465238]  __alloc_pages_nodemask+0xad8/0xea0
[  359.469898]  ? zap_class+0x640/0x640
[  359.473629]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  359.478657]  ? find_held_lock+0x36/0x1c0
[  359.482719]  ? ____cache_alloc_node+0x1c7/0x1e0
[  359.487395]  ? lock_downgrade+0x900/0x900
[  359.491536]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.497070]  cache_grow_begin+0xa5/0x8c0
[  359.501118]  ? do_raw_spin_unlock+0xa7/0x330
[  359.505519]  fallback_alloc+0x204/0x2e0
[  359.509491]  ____cache_alloc_node+0x1c7/0x1e0
[  359.513987]  kmem_cache_alloc_node+0xe3/0x730
[  359.518476]  ? ipv6_get_ifaddr+0x42e/0x620
[  359.522720]  __alloc_skb+0x119/0x770
[  359.526440]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  359.531719]  ? netdev_alloc_frag+0x1f0/0x1f0
[  359.536116]  ? lock_downgrade+0x900/0x900
[  359.540349]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.545880]  ? refcount_sub_and_test_checked+0x203/0x310
[  359.551329]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  359.556784]  ? addrconf_rs_timer+0x690/0x690
[  359.561195]  ndisc_alloc_skb+0x144/0x340
[  359.565267]  ndisc_send_rs+0x331/0x6e0
[  359.569146]  addrconf_rs_timer+0x314/0x690
[  359.573371]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  359.577602]  call_timer_fn+0x272/0x920
[  359.581479]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  359.585703]  ? process_timeout+0x40/0x40
[  359.589760]  ? __run_timers+0x7da/0xc70
[  359.593742]  ? _raw_spin_unlock_irq+0x27/0x80
[  359.598222]  ? _raw_spin_unlock_irq+0x27/0x80
[  359.602701]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  359.606931]  ? lockdep_hardirqs_on+0x296/0x5b0
[  359.611510]  ? trace_hardirqs_on+0xbd/0x310
[  359.615821]  ? kasan_check_read+0x11/0x20
[  359.619953]  ? __run_timers+0x7da/0xc70
[  359.623915]  ? trace_hardirqs_off_caller+0x310/0x310
[  359.629018]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  359.633248]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  359.637485]  __run_timers+0x7e5/0xc70
[  359.641301]  ? timer_fixup_init+0x70/0x70
[  359.645440]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  359.650445]  ? zap_class+0x640/0x640
[  359.654148]  ? enqueue_hrtimer+0x1a5/0x560
[  359.658371]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  359.663552]  ? find_held_lock+0x36/0x1c0
[  359.667605]  ? zap_class+0x640/0x640
[  359.671308]  ? pvclock_read_flags+0x160/0x160
[  359.675797]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.681328]  ? check_preemption_disabled+0x48/0x280
[  359.686338]  ? __lock_is_held+0xb5/0x140
[  359.690386]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.695926]  ? check_preemption_disabled+0x48/0x280
[  359.700956]  run_timer_softirq+0x52/0xb0
[  359.705010]  ? rcu_read_lock_sched_held+0x14f/0x180
[  359.710019]  __do_softirq+0x308/0xb7e
[  359.713813]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  359.718296]  ? lock_downgrade+0x900/0x900
[  359.722434]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  359.727526]  ? pvclock_read_flags+0x160/0x160
[  359.732015]  ? lapic_next_event+0x5a/0x90
[  359.736152]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.741695]  ? kvm_clock_read+0x18/0x30
[  359.745656]  ? kvm_sched_clock_read+0x9/0x20
[  359.750057]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.755579]  ? check_preemption_disabled+0x48/0x280
[  359.760588]  irq_exit+0x17f/0x1c0
[  359.764041]  smp_apic_timer_interrupt+0x1cb/0x760
[  359.769018]  ? smp_reschedule_interrupt+0x109/0x650
[  359.774031]  ? smp_call_function_single_interrupt+0x650/0x650
[  359.779901]  ? interrupt_entry+0xb5/0xc0
[  359.783970]  ? trace_hardirqs_off_caller+0xbb/0x310
[  359.788975]  ? trace_hardirqs_off_caller+0xbb/0x310
[  359.793984]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  359.798818]  ? trace_hardirqs_on_caller+0x310/0x310
[  359.803850]  ? trace_hardirqs_on_caller+0x310/0x310
[  359.808855]  ? task_prio+0x50/0x50
[  359.812506]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.818036]  ? check_preemption_disabled+0x48/0x280
[  359.823047]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  359.827884]  apic_timer_interrupt+0xf/0x20
[  359.832107]  </IRQ>
[  359.834331] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  359.840207] Code: 3e 7e 0f 85 32 ff ff ff e8 03 6a 3d ff e9 28 ff ff ff e8 4a 99 c2 ff 48 83 3d c2 ed 8e 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 ca 05
[  359.859093] RSP: 0018:ffff888198b071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  359.866788] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  359.874056] RDX: 0000000000000000 RSI: ffff8881bbc289c0 RDI: 0000000000000286
[  359.881337] RBP: ffff888198b07250 R08: ffff8881bbc28140 R09: 0000000000000000
[  359.888621] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800940
[  359.895882] R13: ffff8881da800940 R14: 0000000000000000 R15: 0000000000000286
[  359.903171]  ? save_stack+0xa9/0xd0
[  359.906818]  __kmalloc_node_track_caller+0x3c/0x70
[  359.911746]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  359.916500]  pskb_expand_head+0x230/0x10f0
[  359.920732]  ? memcpy+0x45/0x50
[  359.924048]  ? __copy_skb_header+0x350/0x6b0
[  359.928465]  ? skb_release_data+0x9a0/0x9a0
[  359.932778]  ? __alloc_skb+0x770/0x770
[  359.936670]  ? __lock_is_held+0xb5/0x140
[  359.940733]  ? kasan_check_write+0x14/0x20
[  359.944958]  ? __skb_clone+0x6c7/0xa00
[  359.948854]  ? __copy_skb_header+0x6b0/0x6b0
[  359.953260]  ? kmem_cache_alloc+0x33a/0x730
[  359.957591]  skb_ensure_writable+0x3dd/0x640
[  359.961999]  ? skb_checksum_setup+0xaa0/0xaa0
[  359.966482]  ? check_preemption_disabled+0x48/0x280
[  359.971494]  ? __this_cpu_preempt_check+0x1c/0x20
[  359.976325]  ? __bpf_redirect+0x55b/0xb60
[  359.980475]  bpf_clone_redirect+0x14a/0x490
[  359.984791]  bpf_prog_88483476fbe68a28+0x6f0/0x1000
[  359.989797]  ? __sched_text_start+0x8/0x8
[  359.993952]  ? find_held_lock+0x36/0x1c0
[  359.998010]  ? lock_acquire+0x1ed/0x520
[  360.001979]  ? bpf_test_run+0x3ee/0x7a0
[  360.005941]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.011465]  ? check_preemption_disabled+0x48/0x280
[  360.016481]  ? kasan_check_read+0x11/0x20
[  360.020615]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  360.025877]  ? rcu_softirq_qs+0x20/0x20
[  360.029845]  ? preempt_schedule+0x4d/0x60
[  360.033989]  ? ___preempt_schedule+0x16/0x18
[  360.038396]  ? bpf_test_run+0x271/0x7a0
[  360.042371]  ? netlink_diag_dump+0x2a0/0x2a0
[  360.046769]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  360.052292]  ? bpf_test_init.isra.10+0x70/0x100
[  360.056958]  ? bpf_prog_test_run_skb+0x762/0xd90
[  360.061712]  ? bpf_test_finish.isra.9+0x260/0x260
[  360.066562]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  360.072107]  ? fput+0x130/0x1a0
[  360.075375]  ? __bpf_prog_get+0x9b/0x290
[  360.079424]  ? bpf_test_finish.isra.9+0x260/0x260
[  360.084252]  ? __do_sys_bpf+0x1898/0x4570
[  360.088390]  ? bpf_prog_load+0x1db0/0x1db0
[  360.092618]  ? find_held_lock+0x36/0x1c0
[  360.096686]  ? __might_fault+0x12b/0x1e0
[  360.100742]  ? lock_downgrade+0x900/0x900
[  360.104937]  ? lock_release+0xa00/0xa00
[  360.108900]  ? perf_trace_sched_process_exec+0x860/0x860
[  360.114351]  ? posix_ktime_get_ts+0x15/0x20
[  360.118667]  ? trace_hardirqs_off_caller+0x310/0x310
[  360.123769]  ? kasan_check_read+0x11/0x20
[  360.127910]  ? _copy_to_user+0xc8/0x110
[  360.131875]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  360.137403]  ? put_timespec64+0x10f/0x1b0
[  360.141548]  ? nsecs_to_jiffies+0x30/0x30
[  360.145698]  ? trace_hardirqs_off_caller+0x310/0x310
[  360.150819]  ? __x64_sys_bpf+0x73/0xb0
[  360.154695]  ? do_syscall_64+0x1b9/0x820
[  360.158753]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  360.164102]  ? syscall_return_slowpath+0x5e0/0x5e0
[  360.169034]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  360.173868]  ? trace_hardirqs_on_caller+0x310/0x310
[  360.178887]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  360.183895]  ? prepare_exit_to_usermode+0x291/0x3b0
[  360.188913]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  360.193751]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  360.199122] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #181
[  360.199188] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  360.205953] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  360.205957] Call Trace:
[  360.205971]  dump_stack+0x244/0x39d
[  360.205990]  ? dump_stack_print_info.cold.1+0x20/0x20
[  360.212496] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  360.221793]  warn_alloc.cold.116+0xb7/0x1bd
[  360.224339] syz-executor0 cpuset=syz0 mems_allowed=0
[  360.227949]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  360.257815]  ? lock_downgrade+0x900/0x900
[  360.261974]  ? trace_hardirqs_off+0xb8/0x310
[  360.266380]  ? trace_hardirqs_off+0xb8/0x310
[  360.270784]  __alloc_pages_slowpath+0x2651/0x2de0
[  360.275641]  ? warn_alloc+0x120/0x120
[  360.279436]  ? print_usage_bug+0xc0/0xc0
[  360.283486]  ? warn_alloc+0x120/0x120
[  360.287289]  ? warn_alloc+0x120/0x120
[  360.291093]  ? print_usage_bug+0xc0/0xc0
[  360.295156]  ? print_usage_bug+0xc0/0xc0
[  360.299209]  ? __lock_acquire+0x62f/0x4c20
[  360.303443]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  360.308968]  ? should_fail+0x22d/0xd01
[  360.312844]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  360.318165]  ? __lock_acquire+0x62f/0x4c20
[  360.322402]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  360.327510]  ? __lock_acquire+0x62f/0x4c20
[  360.331737]  ? should_fail+0x22d/0xd01
[  360.335619]  ? find_held_lock+0x36/0x1c0
[  360.339679]  ? mark_held_locks+0x130/0x130
[  360.343913]  ? mark_held_locks+0x130/0x130
[  360.348139]  ? zap_class+0x640/0x640
[  360.351842]  ? zap_class+0x640/0x640
[  360.355553]  ? print_usage_bug+0xc0/0xc0
[  360.359601]  ? do_raw_spin_unlock+0xa7/0x330
[  360.363996]  ? zap_class+0x640/0x640
[  360.367695]  ? print_usage_bug+0xc0/0xc0
[  360.371743]  ? wq_watchdog_touch+0x9c/0xfe
[  360.375973]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.381506]  ? check_preemption_disabled+0x48/0x280
[  360.386517]  ? __lock_is_held+0xb5/0x140
[  360.390571]  __alloc_pages_nodemask+0xad8/0xea0
[  360.395227]  ? zap_class+0x640/0x640
[  360.398942]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  360.403964]  ? find_held_lock+0x36/0x1c0
[  360.408024]  ? ____cache_alloc_node+0x1c7/0x1e0
[  360.412679]  ? lock_downgrade+0x900/0x900
[  360.416820]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.422344]  cache_grow_begin+0xa5/0x8c0
[  360.426388]  ? do_raw_spin_unlock+0xa7/0x330
[  360.430791]  fallback_alloc+0x204/0x2e0
[  360.434756]  ____cache_alloc_node+0x1c7/0x1e0
[  360.439248]  kmem_cache_alloc_node+0xe3/0x730
[  360.443734]  ? ipv6_get_ifaddr+0x42e/0x620
[  360.447977]  __alloc_skb+0x119/0x770
[  360.451677]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  360.456941]  ? netdev_alloc_frag+0x1f0/0x1f0
[  360.461334]  ? lock_downgrade+0x900/0x900
[  360.465480]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.471004]  ? refcount_sub_and_test_checked+0x203/0x310
[  360.476457]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  360.481893]  ? addrconf_rs_timer+0x690/0x690
[  360.486323]  ndisc_alloc_skb+0x144/0x340
[  360.490383]  ndisc_send_rs+0x331/0x6e0
[  360.494264]  addrconf_rs_timer+0x314/0x690
[  360.498492]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  360.502722]  call_timer_fn+0x272/0x920
[  360.506594]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  360.510816]  ? process_timeout+0x40/0x40
[  360.514876]  ? __run_timers+0x7da/0xc70
[  360.518839]  ? _raw_spin_unlock_irq+0x27/0x80
[  360.523329]  ? _raw_spin_unlock_irq+0x27/0x80
[  360.527811]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  360.532052]  ? lockdep_hardirqs_on+0x296/0x5b0
[  360.536628]  ? trace_hardirqs_on+0xbd/0x310
[  360.540939]  ? kasan_check_read+0x11/0x20
[  360.545072]  ? __run_timers+0x7da/0xc70
[  360.549031]  ? trace_hardirqs_off_caller+0x310/0x310
[  360.554140]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  360.558364]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  360.562593]  __run_timers+0x7e5/0xc70
[  360.566388]  ? timer_fixup_init+0x70/0x70
[  360.570527]  ? _raw_spin_unlock_irq+0x27/0x80
[  360.575012]  ? _raw_spin_unlock_irq+0x27/0x80
[  360.579494]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  360.584063]  ? trace_hardirqs_on+0xbd/0x310
[  360.588372]  ? kasan_check_read+0x11/0x20
[  360.592509]  ? finish_task_switch+0x1f4/0x910
[  360.596990]  ? trace_hardirqs_off_caller+0x310/0x310
[  360.602078]  ? compat_start_thread+0x80/0x80
[  360.606498]  ? pvclock_read_flags+0x160/0x160
[  360.610983]  ? __switch_to_asm+0x34/0x70
[  360.615034]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.620559]  ? check_preemption_disabled+0x48/0x280
[  360.625569]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  360.631096]  ? rcu_pm_notify+0xc0/0xc0
[  360.634972]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.640498]  ? check_preemption_disabled+0x48/0x280
[  360.645502]  run_timer_softirq+0x52/0xb0
[  360.649546]  ? rcu_read_lock_sched_held+0x14f/0x180
[  360.654551]  __do_softirq+0x308/0xb7e
[  360.658342]  ? retint_kernel+0x2d/0x2d
[  360.662219]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  360.667322]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  360.672760]  ? rcu_irq_enter+0x18c/0x310
[  360.676822]  ? schedule+0x108/0x460
[  360.680442]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  360.685208]  ? trace_hardirqs_off+0xb8/0x310
[  360.689603]  ? smpboot_thread_fn+0x68b/0xa00
[  360.694000]  ? trace_hardirqs_on+0x310/0x310
[  360.698395]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  360.703923]  ? check_preemption_disabled+0x48/0x280
[  360.708929]  ? takeover_tasklets+0xa90/0xa90
[  360.713326]  run_ksoftirqd+0x5e/0x100
[  360.717121]  smpboot_thread_fn+0x68b/0xa00
[  360.721352]  ? sort_range+0x30/0x30
[  360.724966]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  360.730061]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  360.735588]  ? __kthread_parkme+0xfb/0x1a0
[  360.739812]  ? sort_range+0x30/0x30
[  360.743430]  kthread+0x35a/0x440
[  360.746785]  ? kthread_stop+0x900/0x900
[  360.750749]  ret_from_fork+0x3a/0x50
[  360.754468] CPU: 1 PID: 16176 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #181
[  360.754472] warn_alloc_show_mem: 1 callbacks suppressed
[  360.754477] Mem-Info:
[  360.761823] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  360.767180] active_anon:54949 inactive_anon:10067 isolated_anon:0
[  360.767180]  active_file:12 inactive_file:12 isolated_file:0
[  360.767180]  unevictable:0 dirty:0 writeback:0 unstable:0
[  360.767180]  slab_reclaimable:9454 slab_unreclaimable:1442611
[  360.767180]  mapped:40962 shmem:10230 pagetables:596 bounce:0
[  360.767180]  free:13765 free_pcp:525 free_cma:0
[  360.769542] Call Trace:
[  360.778907] Node 0 active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:40920kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 202752kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  360.812096]  <IRQ>
[  360.812113]  dump_stack+0x244/0x39d
[  360.814661] 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
[  360.842621]  ? dump_stack_print_info.cold.1+0x20/0x20
[  360.844743] lowmem_reserve[]: 0 2818 6321 6321
[  360.848365]  warn_alloc.cold.116+0xb7/0x1bd
[  360.874432] Node 0 DMA32 free:25248kB 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:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  360.879609]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  360.884161] lowmem_reserve[]: 0 0 3503 3503
[  360.888477]  ? lock_downgrade+0x900/0x900
[  360.915779] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2384kB bounce:0kB free_pcp:1852kB local_pcp:1500kB free_cma:0kB
[  360.920620]  ? trace_hardirqs_off+0xb8/0x310
[  360.924910] lowmem_reserve[]: 0 0 0 0
[  360.929046]  ? trace_hardirqs_off+0xb8/0x310
[  360.958327] 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
[  360.962722]  __alloc_pages_slowpath+0x2651/0x2de0
[  360.966487] Node 0 DMA32: 4*4kB (UM) 0*8kB 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB
[  360.970894]  ? warn_alloc+0x120/0x120
[  360.984454] Node 0 Normal: 1308*4kB (ME) 392*8kB (UME) 140*16kB (ME) 47*32kB (ME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  360.989281]  ? print_usage_bug+0xc0/0xc0
[  361.004160] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  361.007934]  ? warn_alloc+0x120/0x120
[  361.022553] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  361.026592]  ? warn_alloc+0x120/0x120
[  361.035391] 10254 total pagecache pages
[  361.039171]  ? print_usage_bug+0xc0/0xc0
[  361.047718] 0 pages in swap cache
[  361.051493]  ? print_usage_bug+0xc0/0xc0
[  361.055436] Swap cache stats: add 0, delete 0, find 0/0
[  361.059472]  ? __lock_acquire+0x62f/0x4c20
[  361.062891] Free swap  = 0kB
[  361.066933]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  361.072257] Total swap = 0kB
[  361.076473]  ? should_fail+0x22d/0xd01
[  361.079457] 1965979 pages RAM
[  361.084987]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  361.087969] 0 pages HighMem/MovableOnly
[  361.087975] 342853 pages reserved
[  361.091845]  ? __lock_acquire+0x62f/0x4c20
[  361.094915] 0 pages cma reserved
[  361.099997]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  361.104018] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  361.107379]  ? __lock_acquire+0x62f/0x4c20
[  361.107390]  ? should_fail+0x22d/0xd01
[  361.107403]  ? find_held_lock+0x36/0x1c0
[  361.111671] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  361.114973]  ? mark_held_locks+0x130/0x130
[  361.120042] ksoftirqd/0 cpuset=/ mems_allowed=0
[  361.126535]  ? mark_held_locks+0x130/0x130
[  361.162040]  ? zap_class+0x640/0x640
[  361.165743]  ? zap_class+0x640/0x640
[  361.169450]  ? print_usage_bug+0xc0/0xc0
[  361.173498]  ? do_raw_spin_unlock+0xa7/0x330
[  361.177891]  ? zap_class+0x640/0x640
[  361.181594]  ? print_usage_bug+0xc0/0xc0
[  361.185641]  ? wq_watchdog_touch+0x9c/0xfe
[  361.189883]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.195412]  ? check_preemption_disabled+0x48/0x280
[  361.200444]  ? __lock_is_held+0xb5/0x140
[  361.204497]  __alloc_pages_nodemask+0xad8/0xea0
[  361.209154]  ? zap_class+0x640/0x640
[  361.212858]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  361.217867]  ? find_held_lock+0x36/0x1c0
[  361.221921]  ? ____cache_alloc_node+0x1c7/0x1e0
[  361.226578]  ? lock_downgrade+0x900/0x900
[  361.230720]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.236249]  cache_grow_begin+0xa5/0x8c0
[  361.240297]  ? do_raw_spin_unlock+0xa7/0x330
[  361.244712]  fallback_alloc+0x204/0x2e0
[  361.248676]  ____cache_alloc_node+0x1c7/0x1e0
[  361.253159]  kmem_cache_alloc_node+0xe3/0x730
[  361.257641]  ? ipv6_get_ifaddr+0x42e/0x620
[  361.261892]  __alloc_skb+0x119/0x770
[  361.265596]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  361.270881]  ? netdev_alloc_frag+0x1f0/0x1f0
[  361.275279]  ? lock_downgrade+0x900/0x900
[  361.279432]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.284969]  ? refcount_sub_and_test_checked+0x203/0x310
[  361.290408]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  361.295844]  ? addrconf_rs_timer+0x690/0x690
[  361.300246]  ndisc_alloc_skb+0x144/0x340
[  361.304300]  ndisc_send_rs+0x331/0x6e0
[  361.308183]  addrconf_rs_timer+0x314/0x690
[  361.312410]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  361.316642]  call_timer_fn+0x272/0x920
[  361.320522]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  361.324744]  ? process_timeout+0x40/0x40
[  361.328816]  ? __run_timers+0x7da/0xc70
[  361.332783]  ? _raw_spin_unlock_irq+0x27/0x80
[  361.337269]  ? _raw_spin_unlock_irq+0x27/0x80
[  361.341748]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  361.345972]  ? lockdep_hardirqs_on+0x296/0x5b0
[  361.350540]  ? trace_hardirqs_on+0xbd/0x310
[  361.354860]  ? kasan_check_read+0x11/0x20
[  361.358995]  ? __run_timers+0x7da/0xc70
[  361.362967]  ? trace_hardirqs_off_caller+0x310/0x310
[  361.368066]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  361.372294]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  361.376513]  __run_timers+0x7e5/0xc70
[  361.380306]  ? timer_fixup_init+0x70/0x70
[  361.384440]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  361.389442]  ? zap_class+0x640/0x640
[  361.393143]  ? enqueue_hrtimer+0x1a5/0x560
[  361.397367]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  361.402554]  ? find_held_lock+0x36/0x1c0
[  361.406607]  ? zap_class+0x640/0x640
[  361.410311]  ? pvclock_read_flags+0x160/0x160
[  361.414799]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.420330]  ? check_preemption_disabled+0x48/0x280
[  361.425346]  ? __lock_is_held+0xb5/0x140
[  361.429395]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.434921]  ? check_preemption_disabled+0x48/0x280
[  361.439944]  run_timer_softirq+0x52/0xb0
[  361.444007]  ? rcu_read_lock_sched_held+0x14f/0x180
[  361.449012]  __do_softirq+0x308/0xb7e
[  361.452808]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  361.457289]  ? lock_downgrade+0x900/0x900
[  361.461445]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  361.466551]  ? pvclock_read_flags+0x160/0x160
[  361.471038]  ? lapic_next_event+0x5a/0x90
[  361.475172]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.480699]  ? kvm_clock_read+0x18/0x30
[  361.484660]  ? kvm_sched_clock_read+0x9/0x20
[  361.489068]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.494594]  ? check_preemption_disabled+0x48/0x280
[  361.499606]  irq_exit+0x17f/0x1c0
[  361.503047]  smp_apic_timer_interrupt+0x1cb/0x760
[  361.507874]  ? smp_reschedule_interrupt+0x109/0x650
[  361.512876]  ? smp_call_function_single_interrupt+0x650/0x650
[  361.518747]  ? interrupt_entry+0xb5/0xc0
[  361.522801]  ? trace_hardirqs_off_caller+0xbb/0x310
[  361.527807]  ? trace_hardirqs_off_caller+0xbb/0x310
[  361.532811]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  361.537639]  ? trace_hardirqs_on_caller+0x310/0x310
[  361.542658]  ? trace_hardirqs_on_caller+0x310/0x310
[  361.547675]  ? task_prio+0x50/0x50
[  361.551203]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.556727]  ? check_preemption_disabled+0x48/0x280
[  361.561735]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  361.566571]  apic_timer_interrupt+0xf/0x20
[  361.570798]  </IRQ>
[  361.573025] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  361.578900] Code: 3e 7e 0f 85 32 ff ff ff e8 03 6a 3d ff e9 28 ff ff ff e8 4a 99 c2 ff 48 83 3d c2 ed 8e 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 ca 05
[  361.597788] RSP: 0018:ffff888198b071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  361.605480] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  361.612736] RDX: 0000000000000000 RSI: ffff8881bbc289c0 RDI: 0000000000000286
[  361.619989] RBP: ffff888198b07250 R08: ffff8881bbc28140 R09: 0000000000000000
[  361.627241] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800940
[  361.634498] R13: ffff8881da800940 R14: 0000000000000000 R15: 0000000000000286
[  361.641780]  ? save_stack+0xa9/0xd0
[  361.645403]  __kmalloc_node_track_caller+0x3c/0x70
[  361.650325]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  361.655074]  pskb_expand_head+0x230/0x10f0
[  361.659298]  ? memcpy+0x45/0x50
[  361.662568]  ? __copy_skb_header+0x350/0x6b0
[  361.666968]  ? skb_release_data+0x9a0/0x9a0
[  361.671296]  ? __alloc_skb+0x770/0x770
[  361.675177]  ? __lock_is_held+0xb5/0x140
[  361.679234]  ? kasan_check_write+0x14/0x20
[  361.683460]  ? __skb_clone+0x6c7/0xa00
[  361.687339]  ? __copy_skb_header+0x6b0/0x6b0
[  361.691737]  ? kmem_cache_alloc+0x33a/0x730
[  361.696059]  skb_ensure_writable+0x3dd/0x640
[  361.700464]  ? skb_checksum_setup+0xaa0/0xaa0
[  361.704952]  ? check_preemption_disabled+0x48/0x280
[  361.709961]  ? __this_cpu_preempt_check+0x1c/0x20
[  361.714801]  ? __bpf_redirect+0x55b/0xb60
[  361.718954]  bpf_clone_redirect+0x14a/0x490
[  361.723270]  bpf_prog_88483476fbe68a28+0x6f0/0x1000
[  361.728278]  ? __sched_text_start+0x8/0x8
[  361.732424]  ? find_held_lock+0x36/0x1c0
[  361.736484]  ? lock_acquire+0x1ed/0x520
[  361.740451]  ? bpf_test_run+0x3ee/0x7a0
[  361.744416]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.749942]  ? check_preemption_disabled+0x48/0x280
[  361.754952]  ? kasan_check_read+0x11/0x20
[  361.759087]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  361.764443]  ? rcu_softirq_qs+0x20/0x20
[  361.768408]  ? preempt_schedule+0x4d/0x60
[  361.772562]  ? ___preempt_schedule+0x16/0x18
[  361.776963]  ? bpf_test_run+0x271/0x7a0
[  361.780934]  ? netlink_diag_dump+0x2a0/0x2a0
[  361.785329]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  361.790850]  ? bpf_test_init.isra.10+0x70/0x100
[  361.795535]  ? bpf_prog_test_run_skb+0x762/0xd90
[  361.800304]  ? bpf_test_finish.isra.9+0x260/0x260
[  361.805157]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  361.810680]  ? fput+0x130/0x1a0
[  361.813951]  ? __bpf_prog_get+0x9b/0x290
[  361.818006]  ? bpf_test_finish.isra.9+0x260/0x260
[  361.822842]  ? __do_sys_bpf+0x1898/0x4570
[  361.826992]  ? bpf_prog_load+0x1db0/0x1db0
[  361.831216]  ? find_held_lock+0x36/0x1c0
[  361.835275]  ? __might_fault+0x12b/0x1e0
[  361.839323]  ? lock_downgrade+0x900/0x900
[  361.843462]  ? lock_release+0xa00/0xa00
[  361.847421]  ? perf_trace_sched_process_exec+0x860/0x860
[  361.852855]  ? posix_ktime_get_ts+0x15/0x20
[  361.857170]  ? trace_hardirqs_off_caller+0x310/0x310
[  361.862275]  ? kasan_check_read+0x11/0x20
[  361.866409]  ? _copy_to_user+0xc8/0x110
[  361.870372]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  361.875897]  ? put_timespec64+0x10f/0x1b0
[  361.880038]  ? nsecs_to_jiffies+0x30/0x30
[  361.884186]  ? trace_hardirqs_off_caller+0x310/0x310
[  361.889279]  ? __x64_sys_bpf+0x73/0xb0
[  361.893153]  ? do_syscall_64+0x1b9/0x820
[  361.897201]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  361.902567]  ? syscall_return_slowpath+0x5e0/0x5e0
[  361.907485]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  361.912339]  ? trace_hardirqs_on_caller+0x310/0x310
[  361.917341]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  361.922344]  ? prepare_exit_to_usermode+0x291/0x3b0
[  361.927353]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  361.932193]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  361.937569] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #181
[  361.937635] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  361.944399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  361.944403] Call Trace:
[  361.944420]  dump_stack+0x244/0x39d
[  361.944438]  ? dump_stack_print_info.cold.1+0x20/0x20
[  361.950943] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  361.960240]  warn_alloc.cold.116+0xb7/0x1bd
[  361.962793] syz-executor0 cpuset=syz0 mems_allowed=0
[  361.966398]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  361.996225]  ? lock_downgrade+0x900/0x900
[  362.000366]  ? trace_hardirqs_off+0xb8/0x310
[  362.004770]  ? trace_hardirqs_off+0xb8/0x310
[  362.009171]  __alloc_pages_slowpath+0x2651/0x2de0
[  362.014031]  ? warn_alloc+0x120/0x120
[  362.017821]  ? print_usage_bug+0xc0/0xc0
[  362.021871]  ? warn_alloc+0x120/0x120
[  362.025662]  ? warn_alloc+0x120/0x120
[  362.029448]  ? print_usage_bug+0xc0/0xc0
[  362.033502]  ? print_usage_bug+0xc0/0xc0
[  362.037559]  ? __lock_acquire+0x62f/0x4c20
[  362.041787]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  362.047317]  ? should_fail+0x22d/0xd01
[  362.051198]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  362.056291]  ? __lock_acquire+0x62f/0x4c20
[  362.060535]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  362.065624]  ? __lock_acquire+0x62f/0x4c20
[  362.069850]  ? should_fail+0x22d/0xd01
[  362.073720]  ? find_held_lock+0x36/0x1c0
[  362.077782]  ? mark_held_locks+0x130/0x130
[  362.082013]  ? mark_held_locks+0x130/0x130
[  362.086232]  ? zap_class+0x640/0x640
[  362.089930]  ? zap_class+0x640/0x640
[  362.093630]  ? print_usage_bug+0xc0/0xc0
[  362.097674]  ? do_raw_spin_unlock+0xa7/0x330
[  362.102068]  ? zap_class+0x640/0x640
[  362.105772]  ? print_usage_bug+0xc0/0xc0
[  362.109816]  ? wq_watchdog_touch+0x9c/0xfe
[  362.114041]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.119665]  ? check_preemption_disabled+0x48/0x280
[  362.124675]  ? __lock_is_held+0xb5/0x140
[  362.128728]  __alloc_pages_nodemask+0xad8/0xea0
[  362.133389]  ? zap_class+0x640/0x640
[  362.137090]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  362.142195]  ? find_held_lock+0x36/0x1c0
[  362.146255]  ? ____cache_alloc_node+0x1c7/0x1e0
[  362.150910]  ? lock_downgrade+0x900/0x900
[  362.155054]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.160583]  cache_grow_begin+0xa5/0x8c0
[  362.164630]  ? do_raw_spin_unlock+0xa7/0x330
[  362.169034]  fallback_alloc+0x204/0x2e0
[  362.173008]  ____cache_alloc_node+0x1c7/0x1e0
[  362.177495]  kmem_cache_alloc_node+0xe3/0x730
[  362.181979]  ? ipv6_get_ifaddr+0x42e/0x620
[  362.186219]  __alloc_skb+0x119/0x770
[  362.189932]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  362.195200]  ? netdev_alloc_frag+0x1f0/0x1f0
[  362.199632]  ? lock_downgrade+0x900/0x900
[  362.203777]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.209302]  ? refcount_sub_and_test_checked+0x203/0x310
[  362.214758]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  362.220201]  ? addrconf_rs_timer+0x690/0x690
[  362.224615]  ndisc_alloc_skb+0x144/0x340
[  362.228675]  ndisc_send_rs+0x331/0x6e0
[  362.232568]  addrconf_rs_timer+0x314/0x690
[  362.236793]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  362.241025]  call_timer_fn+0x272/0x920
[  362.244897]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  362.249116]  ? process_timeout+0x40/0x40
[  362.253168]  ? __run_timers+0x7da/0xc70
[  362.257145]  ? _raw_spin_unlock_irq+0x27/0x80
[  362.261625]  ? _raw_spin_unlock_irq+0x27/0x80
[  362.266107]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  362.270335]  ? lockdep_hardirqs_on+0x296/0x5b0
[  362.274904]  ? trace_hardirqs_on+0xbd/0x310
[  362.279213]  ? kasan_check_read+0x11/0x20
[  362.283344]  ? __run_timers+0x7da/0xc70
[  362.287304]  ? trace_hardirqs_off_caller+0x310/0x310
[  362.292398]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  362.296626]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  362.300843]  __run_timers+0x7e5/0xc70
[  362.304636]  ? timer_fixup_init+0x70/0x70
[  362.308789]  ? _raw_spin_unlock_irq+0x27/0x80
[  362.313296]  ? _raw_spin_unlock_irq+0x27/0x80
[  362.318017]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  362.322587]  ? trace_hardirqs_on+0xbd/0x310
[  362.326895]  ? kasan_check_read+0x11/0x20
[  362.331046]  ? finish_task_switch+0x1f4/0x910
[  362.335534]  ? trace_hardirqs_off_caller+0x310/0x310
[  362.340629]  ? compat_start_thread+0x80/0x80
[  362.345047]  ? pvclock_read_flags+0x160/0x160
[  362.349636]  ? __switch_to_asm+0x34/0x70
[  362.353707]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.359255]  ? check_preemption_disabled+0x48/0x280
[  362.364267]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  362.369794]  ? rcu_pm_notify+0xc0/0xc0
[  362.373671]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.379196]  ? check_preemption_disabled+0x48/0x280
[  362.384202]  run_timer_softirq+0x52/0xb0
[  362.388251]  ? rcu_read_lock_sched_held+0x14f/0x180
[  362.393253]  __do_softirq+0x308/0xb7e
[  362.397042]  ? retint_kernel+0x2d/0x2d
[  362.400924]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  362.406020]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  362.411455]  ? rcu_irq_enter+0x18c/0x310
[  362.415513]  ? schedule+0x108/0x460
[  362.419128]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  362.423894]  ? trace_hardirqs_off+0xb8/0x310
[  362.428293]  ? smpboot_thread_fn+0x68b/0xa00
[  362.432698]  ? trace_hardirqs_on+0x310/0x310
[  362.437097]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  362.442767]  ? check_preemption_disabled+0x48/0x280
[  362.447797]  ? takeover_tasklets+0xa90/0xa90
[  362.452195]  run_ksoftirqd+0x5e/0x100
[  362.455986]  smpboot_thread_fn+0x68b/0xa00
[  362.460213]  ? sort_range+0x30/0x30
[  362.463828]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  362.468914]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  362.474439]  ? __kthread_parkme+0xfb/0x1a0
[  362.478661]  ? sort_range+0x30/0x30
[  362.482443]  kthread+0x35a/0x440
[  362.485803]  ? kthread_stop+0x900/0x900
[  362.489771]  ret_from_fork+0x3a/0x50
[  362.493505] CPU: 1 PID: 16176 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #181
[  362.493509] warn_alloc_show_mem: 1 callbacks suppressed
[  362.493515] Mem-Info:
[  362.500860] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  362.506218] active_anon:54949 inactive_anon:10067 isolated_anon:0
[  362.506218]  active_file:12 inactive_file:12 isolated_file:0
[  362.506218]  unevictable:0 dirty:0 writeback:0 unstable:0
[  362.506218]  slab_reclaimable:9454 slab_unreclaimable:1442611
[  362.506218]  mapped:40962 shmem:10230 pagetables:596 bounce:0
[  362.506218]  free:13765 free_pcp:525 free_cma:0
[  362.508584] Call Trace:
[  362.517954] Node 0 active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:40920kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 202752kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  362.551137]  <IRQ>
[  362.553693] 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
[  362.581530]  dump_stack+0x244/0x39d
[  362.583640] lowmem_reserve[]: 0 2818 6321 6321
[  362.609739]  ? dump_stack_print_info.cold.1+0x20/0x20
[  362.613328] Node 0 DMA32 free:25248kB 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:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  362.617904]  warn_alloc.cold.116+0xb7/0x1bd
[  362.623053] lowmem_reserve[]: 0 0 3503 3503
[  362.650358]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  362.654646] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2384kB bounce:0kB free_pcp:1852kB local_pcp:1500kB free_cma:0kB
[  362.658953]  ? lock_downgrade+0x900/0x900
[  362.663777] lowmem_reserve[]: 0 0 0 0
[  362.693006]  ? trace_hardirqs_off+0xb8/0x310
[  362.697117] 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
[  362.700901]  ? trace_hardirqs_off+0xb8/0x310
[  362.705273] Node 0 DMA32: 4*4kB (UM) 0*8kB 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB
[  362.718793]  __alloc_pages_slowpath+0x2651/0x2de0
[  362.723167] Node 0 Normal: 1308*4kB (ME) 392*8kB (UME) 140*16kB (ME) 47*32kB (ME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  362.738109]  ? warn_alloc+0x120/0x120
[  362.742899] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  362.757524]  ? print_usage_bug+0xc0/0xc0
[  362.761305] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  362.770114]  ? warn_alloc+0x120/0x120
[  362.774144] 10254 total pagecache pages
[  362.782703]  ? warn_alloc+0x120/0x120
[  362.786494] 0 pages in swap cache
[  362.790441]  ? print_usage_bug+0xc0/0xc0
[  362.794218] Swap cache stats: add 0, delete 0, find 0/0
[  362.797648]  ? print_usage_bug+0xc0/0xc0
[  362.801674] Free swap  = 0kB
[  362.807021]  ? __lock_acquire+0x62f/0x4c20
[  362.811059] Total swap = 0kB
[  362.814059]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  362.818255] 1965979 pages RAM
[  362.821255]  ? should_fail+0x22d/0xd01
[  362.826758] 0 pages HighMem/MovableOnly
[  362.829863]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  362.833718] 342853 pages reserved
[  362.837673]  ? __lock_acquire+0x62f/0x4c20
[  362.842742] 0 pages cma reserved
[  362.846178]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  362.850472] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  362.853726]  ? __lock_acquire+0x62f/0x4c20
[  362.853739]  ? should_fail+0x22d/0xd01
[  362.858883] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  362.865281]  ? find_held_lock+0x36/0x1c0
[  362.869501] ksoftirqd/0 cpuset=/ mems_allowed=0
[  362.873389]  ? mark_held_locks+0x130/0x130
[  362.896565]  ? mark_held_locks+0x130/0x130
[  362.900786]  ? zap_class+0x640/0x640
[  362.904489]  ? zap_class+0x640/0x640
[  362.908195]  ? print_usage_bug+0xc0/0xc0
[  362.912243]  ? do_raw_spin_unlock+0xa7/0x330
[  362.916650]  ? zap_class+0x640/0x640
[  362.920351]  ? print_usage_bug+0xc0/0xc0
[  362.924398]  ? wq_watchdog_touch+0x9c/0xfe
[  362.928623]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.934148]  ? check_preemption_disabled+0x48/0x280
[  362.939160]  ? __lock_is_held+0xb5/0x140
[  362.943215]  __alloc_pages_nodemask+0xad8/0xea0
[  362.947888]  ? zap_class+0x640/0x640
[  362.951592]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  362.956618]  ? find_held_lock+0x36/0x1c0
[  362.960672]  ? ____cache_alloc_node+0x1c7/0x1e0
[  362.965333]  ? lock_downgrade+0x900/0x900
[  362.969471]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.975001]  cache_grow_begin+0xa5/0x8c0
[  362.979046]  ? do_raw_spin_unlock+0xa7/0x330
[  362.983452]  fallback_alloc+0x204/0x2e0
[  362.987420]  ____cache_alloc_node+0x1c7/0x1e0
[  362.991914]  kmem_cache_alloc_node+0xe3/0x730
[  362.996417]  ? ipv6_get_ifaddr+0x42e/0x620
[  363.000665]  __alloc_skb+0x119/0x770
[  363.004368]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  363.009635]  ? netdev_alloc_frag+0x1f0/0x1f0
[  363.014031]  ? lock_downgrade+0x900/0x900
[  363.018214]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.023741]  ? refcount_sub_and_test_checked+0x203/0x310
[  363.029180]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  363.034615]  ? addrconf_rs_timer+0x690/0x690
[  363.039022]  ndisc_alloc_skb+0x144/0x340
[  363.043090]  ndisc_send_rs+0x331/0x6e0
[  363.046968]  addrconf_rs_timer+0x314/0x690
[  363.051193]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  363.055420]  call_timer_fn+0x272/0x920
[  363.059294]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  363.063514]  ? process_timeout+0x40/0x40
[  363.067580]  ? __run_timers+0x7da/0xc70
[  363.071543]  ? _raw_spin_unlock_irq+0x27/0x80
[  363.076026]  ? _raw_spin_unlock_irq+0x27/0x80
[  363.080507]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  363.084727]  ? lockdep_hardirqs_on+0x296/0x5b0
[  363.089298]  ? trace_hardirqs_on+0xbd/0x310
[  363.093604]  ? kasan_check_read+0x11/0x20
[  363.097736]  ? __run_timers+0x7da/0xc70
[  363.101701]  ? trace_hardirqs_off_caller+0x310/0x310
[  363.106792]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  363.111017]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  363.115234]  __run_timers+0x7e5/0xc70
[  363.119027]  ? timer_fixup_init+0x70/0x70
[  363.123161]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  363.128165]  ? zap_class+0x640/0x640
[  363.131867]  ? enqueue_hrtimer+0x1a5/0x560
[  363.136092]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  363.141275]  ? find_held_lock+0x36/0x1c0
[  363.145342]  ? zap_class+0x640/0x640
[  363.149048]  ? pvclock_read_flags+0x160/0x160
[  363.153532]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.159055]  ? check_preemption_disabled+0x48/0x280
[  363.164184]  ? __lock_is_held+0xb5/0x140
[  363.168234]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.173758]  ? check_preemption_disabled+0x48/0x280
[  363.178851]  run_timer_softirq+0x52/0xb0
[  363.182900]  ? rcu_read_lock_sched_held+0x14f/0x180
[  363.188041]  __do_softirq+0x308/0xb7e
[  363.191837]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  363.196324]  ? lock_downgrade+0x900/0x900
[  363.200464]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  363.205561]  ? pvclock_read_flags+0x160/0x160
[  363.210044]  ? lapic_next_event+0x5a/0x90
[  363.214183]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.219716]  ? kvm_clock_read+0x18/0x30
[  363.223690]  ? kvm_sched_clock_read+0x9/0x20
[  363.228092]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.233615]  ? check_preemption_disabled+0x48/0x280
[  363.238626]  irq_exit+0x17f/0x1c0
[  363.242069]  smp_apic_timer_interrupt+0x1cb/0x760
[  363.246984]  ? smp_reschedule_interrupt+0x109/0x650
[  363.251988]  ? smp_call_function_single_interrupt+0x650/0x650
[  363.257858]  ? interrupt_entry+0xb5/0xc0
[  363.261907]  ? trace_hardirqs_off_caller+0xbb/0x310
[  363.266908]  ? trace_hardirqs_off_caller+0xbb/0x310
[  363.271913]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  363.276763]  ? trace_hardirqs_on_caller+0x310/0x310
[  363.281766]  ? trace_hardirqs_on_caller+0x310/0x310
[  363.286767]  ? task_prio+0x50/0x50
[  363.290295]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.295817]  ? check_preemption_disabled+0x48/0x280
[  363.300844]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  363.305765]  apic_timer_interrupt+0xf/0x20
[  363.309981]  </IRQ>
[  363.312211] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  363.318085] Code: 3e 7e 0f 85 32 ff ff ff e8 03 6a 3d ff e9 28 ff ff ff e8 4a 99 c2 ff 48 83 3d c2 ed 8e 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 ca 05
[  363.336972] RSP: 0018:ffff888198b071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  363.344671] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  363.351926] RDX: 0000000000000000 RSI: ffff8881bbc289c0 RDI: 0000000000000286
[  363.359182] RBP: ffff888198b07250 R08: ffff8881bbc28140 R09: 0000000000000000
[  363.366438] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800940
[  363.373691] R13: ffff8881da800940 R14: 0000000000000000 R15: 0000000000000286
[  363.380970]  ? save_stack+0xa9/0xd0
[  363.384610]  __kmalloc_node_track_caller+0x3c/0x70
[  363.389530]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  363.394389]  pskb_expand_head+0x230/0x10f0
[  363.398623]  ? memcpy+0x45/0x50
[  363.401895]  ? __copy_skb_header+0x350/0x6b0
[  363.406299]  ? skb_release_data+0x9a0/0x9a0
[  363.410618]  ? __alloc_skb+0x770/0x770
[  363.414496]  ? __lock_is_held+0xb5/0x140
[  363.418552]  ? kasan_check_write+0x14/0x20
[  363.422782]  ? __skb_clone+0x6c7/0xa00
[  363.426663]  ? __copy_skb_header+0x6b0/0x6b0
[  363.431055]  ? kmem_cache_alloc+0x33a/0x730
[  363.435372]  skb_ensure_writable+0x3dd/0x640
[  363.439768]  ? skb_checksum_setup+0xaa0/0xaa0
[  363.444250]  ? check_preemption_disabled+0x48/0x280
[  363.449261]  ? __this_cpu_preempt_check+0x1c/0x20
[  363.454096]  ? __bpf_redirect+0x55b/0xb60
[  363.458238]  bpf_clone_redirect+0x14a/0x490
[  363.462681]  bpf_prog_88483476fbe68a28+0x6f0/0x1000
[  363.467707]  ? __sched_text_start+0x8/0x8
[  363.471855]  ? find_held_lock+0x36/0x1c0
[  363.475912]  ? lock_acquire+0x1ed/0x520
[  363.479888]  ? bpf_test_run+0x3ee/0x7a0
[  363.483859]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.489383]  ? check_preemption_disabled+0x48/0x280
[  363.494397]  ? kasan_check_read+0x11/0x20
[  363.498558]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  363.503827]  ? rcu_softirq_qs+0x20/0x20
[  363.507791]  ? preempt_schedule+0x4d/0x60
[  363.511929]  ? ___preempt_schedule+0x16/0x18
[  363.516424]  ? bpf_test_run+0x271/0x7a0
[  363.520402]  ? netlink_diag_dump+0x2a0/0x2a0
[  363.524803]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  363.530331]  ? bpf_test_init.isra.10+0x70/0x100
[  363.534993]  ? bpf_prog_test_run_skb+0x762/0xd90
[  363.539747]  ? bpf_test_finish.isra.9+0x260/0x260
[  363.544584]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  363.550112]  ? fput+0x130/0x1a0
[  363.553384]  ? __bpf_prog_get+0x9b/0x290
[  363.557443]  ? bpf_test_finish.isra.9+0x260/0x260
[  363.562276]  ? __do_sys_bpf+0x1898/0x4570
[  363.566422]  ? bpf_prog_load+0x1db0/0x1db0
[  363.570655]  ? find_held_lock+0x36/0x1c0
[  363.574726]  ? __might_fault+0x12b/0x1e0
[  363.578780]  ? lock_downgrade+0x900/0x900
[  363.582923]  ? lock_release+0xa00/0xa00
[  363.586883]  ? perf_trace_sched_process_exec+0x860/0x860
[  363.592333]  ? posix_ktime_get_ts+0x15/0x20
[  363.596656]  ? trace_hardirqs_off_caller+0x310/0x310
[  363.601763]  ? kasan_check_read+0x11/0x20
[  363.605901]  ? _copy_to_user+0xc8/0x110
[  363.609869]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  363.615407]  ? put_timespec64+0x10f/0x1b0
[  363.619548]  ? nsecs_to_jiffies+0x30/0x30
[  363.623703]  ? trace_hardirqs_off_caller+0x310/0x310
[  363.628819]  ? __x64_sys_bpf+0x73/0xb0
[  363.632701]  ? do_syscall_64+0x1b9/0x820
[  363.636754]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  363.642108]  ? syscall_return_slowpath+0x5e0/0x5e0
[  363.647047]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  363.651883]  ? trace_hardirqs_on_caller+0x310/0x310
[  363.656886]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  363.661891]  ? prepare_exit_to_usermode+0x291/0x3b0
[  363.666905]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  363.671756]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  363.677119] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #181
[  363.677188] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  363.683947] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  363.690485] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  363.699746] Call Trace:
[  363.710203] syz-executor0 cpuset=syz0 mems_allowed=0
[  363.712769]  dump_stack+0x244/0x39d
[  363.721451]  ? dump_stack_print_info.cold.1+0x20/0x20
[  363.726643]  warn_alloc.cold.116+0xb7/0x1bd
[  363.730950]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  363.735796]  ? lock_downgrade+0x900/0x900
[  363.739938]  ? trace_hardirqs_off+0xb8/0x310
[  363.744340]  ? trace_hardirqs_off+0xb8/0x310
[  363.748752]  __alloc_pages_slowpath+0x2651/0x2de0
[  363.753713]  ? warn_alloc+0x120/0x120
[  363.757501]  ? print_usage_bug+0xc0/0xc0
[  363.761550]  ? warn_alloc+0x120/0x120
[  363.765339]  ? warn_alloc+0x120/0x120
[  363.769126]  ? print_usage_bug+0xc0/0xc0
[  363.773179]  ? print_usage_bug+0xc0/0xc0
[  363.777232]  ? __lock_acquire+0x62f/0x4c20
[  363.781461]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  363.786987]  ? should_fail+0x22d/0xd01
[  363.790870]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  363.795971]  ? __lock_acquire+0x62f/0x4c20
[  363.800198]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  363.805286]  ? __lock_acquire+0x62f/0x4c20
[  363.809509]  ? should_fail+0x22d/0xd01
[  363.813382]  ? find_held_lock+0x36/0x1c0
[  363.817450]  ? mark_held_locks+0x130/0x130
[  363.821677]  ? mark_held_locks+0x130/0x130
[  363.825901]  ? zap_class+0x640/0x640
[  363.829604]  ? mark_held_locks+0xc7/0x130
[  363.833742]  ? do_raw_spin_unlock+0xa7/0x330
[  363.838137]  ? zap_class+0x640/0x640
[  363.841839]  ? print_usage_bug+0xc0/0xc0
[  363.845893]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.851420]  ? check_preemption_disabled+0x48/0x280
[  363.856441]  ? __lock_is_held+0xb5/0x140
[  363.860503]  __alloc_pages_nodemask+0xad8/0xea0
[  363.865160]  ? zap_class+0x640/0x640
[  363.868868]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  363.873889]  ? find_held_lock+0x36/0x1c0
[  363.877947]  ? ____cache_alloc_node+0x1c7/0x1e0
[  363.882605]  ? lock_downgrade+0x900/0x900
[  363.886749]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.892279]  cache_grow_begin+0xa5/0x8c0
[  363.896324]  ? do_raw_spin_unlock+0xa7/0x330
[  363.900725]  fallback_alloc+0x204/0x2e0
[  363.904721]  ____cache_alloc_node+0x1c7/0x1e0
[  363.909235]  kmem_cache_alloc_node+0xe3/0x730
[  363.913715]  ? ipv6_get_ifaddr+0x42e/0x620
[  363.917949]  __alloc_skb+0x119/0x770
[  363.921663]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  363.926932]  ? netdev_alloc_frag+0x1f0/0x1f0
[  363.931330]  ? lock_downgrade+0x900/0x900
[  363.935476]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.941005]  ? refcount_sub_and_test_checked+0x203/0x310
[  363.946544]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  363.952001]  ? addrconf_rs_timer+0x690/0x690
[  363.956407]  ndisc_alloc_skb+0x144/0x340
[  363.960462]  ndisc_send_rs+0x331/0x6e0
[  363.964337]  addrconf_rs_timer+0x314/0x690
[  363.968560]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  363.972791]  call_timer_fn+0x272/0x920
[  363.976666]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  363.980886]  ? process_timeout+0x40/0x40
[  363.984943]  ? __run_timers+0x7da/0xc70
[  363.988925]  ? _raw_spin_unlock_irq+0x27/0x80
[  363.993410]  ? _raw_spin_unlock_irq+0x27/0x80
[  363.997896]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  364.002117]  ? lockdep_hardirqs_on+0x296/0x5b0
[  364.006687]  ? trace_hardirqs_on+0xbd/0x310
[  364.010993]  ? kasan_check_read+0x11/0x20
[  364.015130]  ? __run_timers+0x7da/0xc70
[  364.019093]  ? trace_hardirqs_off_caller+0x310/0x310
[  364.024278]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  364.028507]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  364.032727]  __run_timers+0x7e5/0xc70
[  364.036527]  ? timer_fixup_init+0x70/0x70
[  364.040667]  ? _raw_spin_unlock_irq+0x27/0x80
[  364.045156]  ? _raw_spin_unlock_irq+0x27/0x80
[  364.049648]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  364.054223]  ? trace_hardirqs_on+0xbd/0x310
[  364.058536]  ? kasan_check_read+0x11/0x20
[  364.062675]  ? finish_task_switch+0x1f4/0x910
[  364.067162]  ? trace_hardirqs_off_caller+0x310/0x310
[  364.072262]  ? compat_start_thread+0x80/0x80
[  364.076678]  ? pvclock_read_flags+0x160/0x160
[  364.081160]  ? __switch_to_asm+0x34/0x70
[  364.085207]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.090750]  ? check_preemption_disabled+0x48/0x280
[  364.095764]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  364.101289]  ? rcu_pm_notify+0xc0/0xc0
[  364.105166]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.110687]  ? check_preemption_disabled+0x48/0x280
[  364.115694]  run_timer_softirq+0x52/0xb0
[  364.119741]  ? rcu_read_lock_sched_held+0x14f/0x180
[  364.124745]  __do_softirq+0x308/0xb7e
[  364.128538]  ? retint_kernel+0x2d/0x2d
[  364.132418]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  364.137509]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  364.142974]  ? rcu_irq_enter+0x18c/0x310
[  364.147030]  ? schedule+0x108/0x460
[  364.150645]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  364.155392]  ? trace_hardirqs_off+0xb8/0x310
[  364.159788]  ? smpboot_thread_fn+0x68b/0xa00
[  364.164182]  ? trace_hardirqs_on+0x310/0x310
[  364.168580]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  364.174106]  ? check_preemption_disabled+0x48/0x280
[  364.179116]  ? takeover_tasklets+0xa90/0xa90
[  364.183515]  run_ksoftirqd+0x5e/0x100
[  364.187302]  smpboot_thread_fn+0x68b/0xa00
[  364.191525]  ? sort_range+0x30/0x30
[  364.195145]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  364.200238]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  364.205766]  ? __kthread_parkme+0xfb/0x1a0
[  364.209990]  ? sort_range+0x30/0x30
[  364.213608]  kthread+0x35a/0x440
[  364.216978]  ? kthread_stop+0x900/0x900
[  364.220944]  ret_from_fork+0x3a/0x50
[  364.224660] CPU: 1 PID: 16176 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #181
[  364.224664] warn_alloc_show_mem: 1 callbacks suppressed
[  364.224670] Mem-Info:
[  364.232010] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  364.237370] active_anon:54949 inactive_anon:10067 isolated_anon:0
[  364.237370]  active_file:12 inactive_file:12 isolated_file:0
[  364.237370]  unevictable:0 dirty:0 writeback:0 unstable:0
[  364.237370]  slab_reclaimable:9454 slab_unreclaimable:1442611
[  364.237370]  mapped:40962 shmem:10230 pagetables:596 bounce:0
[  364.237370]  free:13765 free_pcp:525 free_cma:0
[  364.239738] Call Trace:
[  364.249103] Node 0 active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:40920kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 202752kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  364.282296]  <IRQ>
[  364.284857] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  364.312686]  dump_stack+0x244/0x39d
[  364.315095] lowmem_reserve[]: 0 2818 6321 6321
[  364.341211]  ? dump_stack_print_info.cold.1+0x20/0x20
[  364.344800] Node 0 DMA32 free:25248kB 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:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  364.349382]  warn_alloc.cold.116+0xb7/0x1bd
[  364.354534] lowmem_reserve[]: 0 0 3503 3503
[  364.381845]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  364.386137] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2384kB bounce:0kB free_pcp:1852kB local_pcp:1500kB free_cma:0kB
[  364.390444]  ? lock_downgrade+0x900/0x900
[  364.395244] lowmem_reserve[]: 0 0 0 0
[  364.424474]  ? trace_hardirqs_off+0xb8/0x310
[  364.428592] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  364.432376]  ? trace_hardirqs_off+0xb8/0x310
[  364.436746] Node 0 DMA32: 4*4kB (UM) 0*8kB 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB
[  364.450253]  __alloc_pages_slowpath+0x2651/0x2de0
[  364.454626] Node 0 Normal: 1308*4kB (ME) 392*8kB (UME) 140*16kB (ME) 47*32kB (ME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  364.469543]  ? warn_alloc+0x120/0x120
[  364.474364] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  364.474376] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  364.489534]  ? print_usage_bug+0xc0/0xc0
[  364.493309] 10254 total pagecache pages
[  364.502144]  ? warn_alloc+0x120/0x120
[  364.510691] 0 pages in swap cache
[  364.514741]  ? warn_alloc+0x120/0x120
[  364.518704] Swap cache stats: add 0, delete 0, find 0/0
[  364.522492]  ? print_usage_bug+0xc0/0xc0
[  364.525911] Free swap  = 0kB
[  364.529691]  ? kvm_clock_read+0x18/0x30
[  364.535017] Total swap = 0kB
[  364.539056]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  364.542042] 1965979 pages RAM
[  364.545995]  ? print_usage_bug+0xc0/0xc0
[  364.548980] 0 pages HighMem/MovableOnly
[  364.553976]  ? __lock_acquire+0x62f/0x4c20
[  364.557060] 342853 pages reserved
[  364.561105]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  364.565166] 0 pages cma reserved
[  364.569384]  ? should_fail+0x22d/0xd01
[  364.572876] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  364.578315]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  364.578339]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  364.581730] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  364.585546]  ? __lock_acquire+0x62f/0x4c20
[  364.592003] ksoftirqd/0 cpuset=/ mems_allowed=0
[  364.597262]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  364.626553]  ? __lock_acquire+0x62f/0x4c20
[  364.630784]  ? should_fail+0x22d/0xd01
[  364.634750]  ? rcu_irq_exit+0x1a2/0x390
[  364.638725]  ? mark_held_locks+0x130/0x130
[  364.642955]  ? mark_held_locks+0x130/0x130
[  364.647185]  ? mark_held_locks+0xc7/0x130
[  364.651330]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  364.656337]  ? zap_class+0x640/0x640
[  364.660040]  ? print_usage_bug+0xc0/0xc0
[  364.664106]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.669631]  ? check_preemption_disabled+0x48/0x280
[  364.674644]  ? __lock_is_held+0xb5/0x140
[  364.678702]  __alloc_pages_nodemask+0xad8/0xea0
[  364.683357]  ? zap_class+0x640/0x640
[  364.687062]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  364.692074]  ? find_held_lock+0x36/0x1c0
[  364.696130]  ? ____cache_alloc_node+0x1c7/0x1e0
[  364.700798]  ? lock_downgrade+0x900/0x900
[  364.704957]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.710486]  cache_grow_begin+0xa5/0x8c0
[  364.714536]  ? do_raw_spin_unlock+0xa7/0x330
[  364.718944]  fallback_alloc+0x204/0x2e0
[  364.722912]  ____cache_alloc_node+0x1c7/0x1e0
[  364.727404]  kmem_cache_alloc_node+0xe3/0x730
[  364.731911]  ? ipv6_get_ifaddr+0x42e/0x620
[  364.736146]  __alloc_skb+0x119/0x770
[  364.739852]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  364.745120]  ? netdev_alloc_frag+0x1f0/0x1f0
[  364.749517]  ? lock_downgrade+0x900/0x900
[  364.753659]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.759183]  ? refcount_sub_and_test_checked+0x203/0x310
[  364.764641]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  364.770097]  ? addrconf_rs_timer+0x690/0x690
[  364.774505]  ndisc_alloc_skb+0x144/0x340
[  364.778564]  ndisc_send_rs+0x331/0x6e0
[  364.782441]  addrconf_rs_timer+0x314/0x690
[  364.786687]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  364.790917]  call_timer_fn+0x272/0x920
[  364.794789]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  364.799020]  ? process_timeout+0x40/0x40
[  364.803073]  ? __run_timers+0x7da/0xc70
[  364.807037]  ? _raw_spin_unlock_irq+0x27/0x80
[  364.811516]  ? _raw_spin_unlock_irq+0x27/0x80
[  364.815998]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  364.820219]  ? lockdep_hardirqs_on+0x296/0x5b0
[  364.824791]  ? trace_hardirqs_on+0xbd/0x310
[  364.829100]  ? kasan_check_read+0x11/0x20
[  364.833233]  ? __run_timers+0x7da/0xc70
[  364.837197]  ? trace_hardirqs_off_caller+0x310/0x310
[  364.842292]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  364.846521]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  364.850747]  __run_timers+0x7e5/0xc70
[  364.854541]  ? timer_fixup_init+0x70/0x70
[  364.858688]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  364.863689]  ? zap_class+0x640/0x640
[  364.867393]  ? enqueue_hrtimer+0x1a5/0x560
[  364.871626]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  364.876806]  ? find_held_lock+0x36/0x1c0
[  364.880859]  ? zap_class+0x640/0x640
[  364.884570]  ? pvclock_read_flags+0x160/0x160
[  364.889057]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.894588]  ? check_preemption_disabled+0x48/0x280
[  364.899597]  ? __lock_is_held+0xb5/0x140
[  364.903645]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.909187]  ? check_preemption_disabled+0x48/0x280
[  364.914194]  run_timer_softirq+0x52/0xb0
[  364.918242]  ? rcu_read_lock_sched_held+0x14f/0x180
[  364.923246]  __do_softirq+0x308/0xb7e
[  364.927047]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  364.931528]  ? lock_downgrade+0x900/0x900
[  364.935677]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  364.940774]  ? pvclock_read_flags+0x160/0x160
[  364.945255]  ? lapic_next_event+0x5a/0x90
[  364.949395]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.954925]  ? kvm_clock_read+0x18/0x30
[  364.958884]  ? kvm_sched_clock_read+0x9/0x20
[  364.963282]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.968812]  ? check_preemption_disabled+0x48/0x280
[  364.973823]  irq_exit+0x17f/0x1c0
[  364.977267]  smp_apic_timer_interrupt+0x1cb/0x760
[  364.982098]  ? smp_reschedule_interrupt+0x109/0x650
[  364.987100]  ? smp_call_function_single_interrupt+0x650/0x650
[  364.992972]  ? interrupt_entry+0xb5/0xc0
[  364.997019]  ? trace_hardirqs_off_caller+0xbb/0x310
[  365.002022]  ? trace_hardirqs_off_caller+0xbb/0x310
[  365.007026]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  365.011862]  ? trace_hardirqs_on_caller+0x310/0x310
[  365.016866]  ? trace_hardirqs_on_caller+0x310/0x310
[  365.021870]  ? task_prio+0x50/0x50
[  365.025399]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.030921]  ? check_preemption_disabled+0x48/0x280
[  365.035928]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  365.040764]  apic_timer_interrupt+0xf/0x20
[  365.044983]  </IRQ>
[  365.047210] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  365.053084] Code: 3e 7e 0f 85 32 ff ff ff e8 03 6a 3d ff e9 28 ff ff ff e8 4a 99 c2 ff 48 83 3d c2 ed 8e 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 ca 05
[  365.071971] RSP: 0018:ffff888198b071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  365.079665] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  365.086918] RDX: 0000000000000000 RSI: ffff8881bbc289c0 RDI: 0000000000000286
[  365.094171] RBP: ffff888198b07250 R08: ffff8881bbc28140 R09: 0000000000000000
[  365.101424] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800940
[  365.108678] R13: ffff8881da800940 R14: 0000000000000000 R15: 0000000000000286
[  365.115950]  ? save_stack+0xa9/0xd0
[  365.119570]  __kmalloc_node_track_caller+0x3c/0x70
[  365.124487]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  365.129236]  pskb_expand_head+0x230/0x10f0
[  365.133463]  ? memcpy+0x45/0x50
[  365.136732]  ? __copy_skb_header+0x350/0x6b0
[  365.141127]  ? skb_release_data+0x9a0/0x9a0
[  365.145432]  ? __alloc_skb+0x770/0x770
[  365.149317]  ? __lock_is_held+0xb5/0x140
[  365.153372]  ? kasan_check_write+0x14/0x20
[  365.157594]  ? __skb_clone+0x6c7/0xa00
[  365.161480]  ? __copy_skb_header+0x6b0/0x6b0
[  365.165875]  ? kmem_cache_alloc+0x33a/0x730
[  365.170190]  skb_ensure_writable+0x3dd/0x640
[  365.174587]  ? skb_checksum_setup+0xaa0/0xaa0
[  365.179067]  ? check_preemption_disabled+0x48/0x280
[  365.184074]  ? __this_cpu_preempt_check+0x1c/0x20
[  365.188903]  ? __bpf_redirect+0x55b/0xb60
[  365.193047]  bpf_clone_redirect+0x14a/0x490
[  365.197365]  bpf_prog_88483476fbe68a28+0x6f0/0x1000
[  365.202368]  ? __sched_text_start+0x8/0x8
[  365.206510]  ? find_held_lock+0x36/0x1c0
[  365.210570]  ? lock_acquire+0x1ed/0x520
[  365.214544]  ? bpf_test_run+0x3ee/0x7a0
[  365.218508]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.224047]  ? check_preemption_disabled+0x48/0x280
[  365.229054]  ? kasan_check_read+0x11/0x20
[  365.233192]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  365.238454]  ? rcu_softirq_qs+0x20/0x20
[  365.242415]  ? preempt_schedule+0x4d/0x60
[  365.246552]  ? ___preempt_schedule+0x16/0x18
[  365.251048]  ? bpf_test_run+0x271/0x7a0
[  365.255020]  ? netlink_diag_dump+0x2a0/0x2a0
[  365.259459]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  365.265073]  ? bpf_test_init.isra.10+0x70/0x100
[  365.269837]  ? bpf_prog_test_run_skb+0x762/0xd90
[  365.274590]  ? bpf_test_finish.isra.9+0x260/0x260
[  365.279433]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  365.284958]  ? fput+0x130/0x1a0
[  365.288226]  ? __bpf_prog_get+0x9b/0x290
[  365.292285]  ? bpf_test_finish.isra.9+0x260/0x260
[  365.297116]  ? __do_sys_bpf+0x1898/0x4570
[  365.301255]  ? bpf_prog_load+0x1db0/0x1db0
[  365.305481]  ? find_held_lock+0x36/0x1c0
[  365.309543]  ? __might_fault+0x12b/0x1e0
[  365.313591]  ? lock_downgrade+0x900/0x900
[  365.317731]  ? lock_release+0xa00/0xa00
[  365.321700]  ? perf_trace_sched_process_exec+0x860/0x860
[  365.327138]  ? posix_ktime_get_ts+0x15/0x20
[  365.331449]  ? trace_hardirqs_off_caller+0x310/0x310
[  365.336558]  ? kasan_check_read+0x11/0x20
[  365.340695]  ? _copy_to_user+0xc8/0x110
[  365.344662]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  365.350214]  ? put_timespec64+0x10f/0x1b0
[  365.354350]  ? nsecs_to_jiffies+0x30/0x30
[  365.358505]  ? trace_hardirqs_off_caller+0x310/0x310
[  365.363604]  ? __x64_sys_bpf+0x73/0xb0
[  365.367479]  ? do_syscall_64+0x1b9/0x820
[  365.371532]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  365.376883]  ? syscall_return_slowpath+0x5e0/0x5e0
[  365.381799]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  365.386641]  ? trace_hardirqs_on_caller+0x310/0x310
[  365.391650]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  365.396686]  ? prepare_exit_to_usermode+0x291/0x3b0
[  365.401698]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  365.406558]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  365.411926] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #181
[  365.411989] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  365.418771] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  365.418775] Call Trace:
[  365.418793]  dump_stack+0x244/0x39d
[  365.418811]  ? dump_stack_print_info.cold.1+0x20/0x20
[  365.425341] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  365.434618]  warn_alloc.cold.116+0xb7/0x1bd
[  365.437164] syz-executor0 cpuset=syz0 mems_allowed=0
[  365.440780]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  365.470696]  ? lock_downgrade+0x900/0x900
[  365.474844]  ? trace_hardirqs_off+0xb8/0x310
[  365.479244]  ? trace_hardirqs_off+0xb8/0x310
[  365.483643]  __alloc_pages_slowpath+0x2651/0x2de0
[  365.488493]  ? warn_alloc+0x120/0x120
[  365.492290]  ? print_usage_bug+0xc0/0xc0
[  365.496341]  ? warn_alloc+0x120/0x120
[  365.500131]  ? warn_alloc+0x120/0x120
[  365.503927]  ? print_usage_bug+0xc0/0xc0
[  365.507978]  ? print_usage_bug+0xc0/0xc0
[  365.512026]  ? __lock_acquire+0x62f/0x4c20
[  365.516252]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  365.521785]  ? should_fail+0x22d/0xd01
[  365.525660]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  365.530748]  ? __lock_acquire+0x62f/0x4c20
[  365.534976]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  365.540064]  ? __lock_acquire+0x62f/0x4c20
[  365.544283]  ? should_fail+0x22d/0xd01
[  365.548155]  ? find_held_lock+0x36/0x1c0
[  365.552209]  ? mark_held_locks+0x130/0x130
[  365.556441]  ? mark_held_locks+0x130/0x130
[  365.560660]  ? zap_class+0x640/0x640
[  365.564360]  ? zap_class+0x640/0x640
[  365.568060]  ? print_usage_bug+0xc0/0xc0
[  365.572123]  ? do_raw_spin_unlock+0xa7/0x330
[  365.576521]  ? zap_class+0x640/0x640
[  365.580219]  ? print_usage_bug+0xc0/0xc0
[  365.584267]  ? wq_watchdog_touch+0x9c/0xfe
[  365.588496]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.594025]  ? check_preemption_disabled+0x48/0x280
[  365.599035]  ? __lock_is_held+0xb5/0x140
[  365.603089]  __alloc_pages_nodemask+0xad8/0xea0
[  365.607744]  ? zap_class+0x640/0x640
[  365.611456]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  365.616469]  ? find_held_lock+0x36/0x1c0
[  365.620530]  ? ____cache_alloc_node+0x1c7/0x1e0
[  365.625200]  ? lock_downgrade+0x900/0x900
[  365.629343]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.634867]  cache_grow_begin+0xa5/0x8c0
[  365.638917]  ? do_raw_spin_unlock+0xa7/0x330
[  365.643320]  fallback_alloc+0x204/0x2e0
[  365.647286]  ____cache_alloc_node+0x1c7/0x1e0
[  365.651778]  kmem_cache_alloc_node+0xe3/0x730
[  365.656262]  ? ipv6_get_ifaddr+0x42e/0x620
[  365.660499]  __alloc_skb+0x119/0x770
[  365.664197]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  365.669463]  ? netdev_alloc_frag+0x1f0/0x1f0
[  365.673862]  ? lock_downgrade+0x900/0x900
[  365.678005]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.683528]  ? refcount_sub_and_test_checked+0x203/0x310
[  365.688968]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  365.694415]  ? addrconf_rs_timer+0x690/0x690
[  365.698821]  ndisc_alloc_skb+0x144/0x340
[  365.702870]  ndisc_send_rs+0x331/0x6e0
[  365.706752]  addrconf_rs_timer+0x314/0x690
[  365.710980]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  365.715207]  call_timer_fn+0x272/0x920
[  365.719082]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  365.723304]  ? process_timeout+0x40/0x40
[  365.727355]  ? __run_timers+0x7da/0xc70
[  365.731328]  ? _raw_spin_unlock_irq+0x27/0x80
[  365.735806]  ? _raw_spin_unlock_irq+0x27/0x80
[  365.740288]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  365.744511]  ? lockdep_hardirqs_on+0x296/0x5b0
[  365.749081]  ? trace_hardirqs_on+0xbd/0x310
[  365.753392]  ? kasan_check_read+0x11/0x20
[  365.757528]  ? __run_timers+0x7da/0xc70
[  365.761494]  ? trace_hardirqs_off_caller+0x310/0x310
[  365.766587]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  365.770812]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  365.775034]  __run_timers+0x7e5/0xc70
[  365.778828]  ? timer_fixup_init+0x70/0x70
[  365.782964]  ? _raw_spin_unlock_irq+0x27/0x80
[  365.787443]  ? _raw_spin_unlock_irq+0x27/0x80
[  365.791927]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  365.796519]  ? trace_hardirqs_on+0xbd/0x310
[  365.800830]  ? kasan_check_read+0x11/0x20
[  365.804966]  ? finish_task_switch+0x1f4/0x910
[  365.809450]  ? trace_hardirqs_off_caller+0x310/0x310
[  365.814549]  ? compat_start_thread+0x80/0x80
[  365.818974]  ? pvclock_read_flags+0x160/0x160
[  365.823453]  ? __switch_to_asm+0x34/0x70
[  365.827504]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.833029]  ? check_preemption_disabled+0x48/0x280
[  365.838039]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  365.843562]  ? rcu_pm_notify+0xc0/0xc0
[  365.847436]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.852966]  ? check_preemption_disabled+0x48/0x280
[  365.857973]  run_timer_softirq+0x52/0xb0
[  365.862021]  ? rcu_read_lock_sched_held+0x14f/0x180
[  365.867028]  __do_softirq+0x308/0xb7e
[  365.870817]  ? retint_kernel+0x2d/0x2d
[  365.874694]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  365.879784]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  365.885221]  ? rcu_irq_enter+0x18c/0x310
[  365.889273]  ? schedule+0x108/0x460
[  365.892885]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  365.897633]  ? trace_hardirqs_off+0xb8/0x310
[  365.902027]  ? smpboot_thread_fn+0x68b/0xa00
[  365.906422]  ? trace_hardirqs_on+0x310/0x310
[  365.910825]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  365.916349]  ? check_preemption_disabled+0x48/0x280
[  365.921357]  ? takeover_tasklets+0xa90/0xa90
[  365.925751]  run_ksoftirqd+0x5e/0x100
[  365.929551]  smpboot_thread_fn+0x68b/0xa00
[  365.933776]  ? sort_range+0x30/0x30
[  365.937391]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  365.942486]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  365.948024]  ? __kthread_parkme+0xfb/0x1a0
[  365.952265]  ? sort_range+0x30/0x30
[  365.955875]  kthread+0x35a/0x440
[  365.959230]  ? kthread_stop+0x900/0x900
[  365.963193]  ret_from_fork+0x3a/0x50
[  365.966908] CPU: 1 PID: 16176 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #181
[  365.966929] warn_alloc_show_mem: 1 callbacks suppressed
[  365.966934] Mem-Info:
[  365.974291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  365.979668] active_anon:54949 inactive_anon:10067 isolated_anon:0
[  365.979668]  active_file:12 inactive_file:12 isolated_file:0
[  365.979668]  unevictable:0 dirty:0 writeback:0 unstable:0
[  365.979668]  slab_reclaimable:9454 slab_unreclaimable:1442611
[  365.979668]  mapped:40962 shmem:10230 pagetables:596 bounce:0
[  365.979668]  free:13765 free_pcp:525 free_cma:0
[  365.982035] Call Trace:
[  365.991393] Node 0 active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:40920kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 202752kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  366.024689]  <IRQ>
[  366.027248] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  366.055160]  dump_stack+0x244/0x39d
[  366.057278] lowmem_reserve[]: 0 2818 6321 6321
[  366.083367]  ? dump_stack_print_info.cold.1+0x20/0x20
[  366.086957] Node 0 DMA32 free:25248kB 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:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  366.091532]  warn_alloc.cold.116+0xb7/0x1bd
[  366.096678] lowmem_reserve[]: 0 0 3503 3503
[  366.123986]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  366.128271] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2384kB bounce:0kB free_pcp:1852kB local_pcp:1500kB free_cma:0kB
[  366.132572]  ? lock_downgrade+0x900/0x900
[  366.137375] lowmem_reserve[]: 0 0 0 0
[  366.166596]  ? trace_hardirqs_off+0xb8/0x310
[  366.170710] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  366.174494]  ? trace_hardirqs_off+0xb8/0x310
[  366.178865] Node 0 DMA32: 4*4kB (UM) 0*8kB 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB
[  366.192466]  __alloc_pages_slowpath+0x2651/0x2de0
[  366.196843] Node 0 Normal: 1308*4kB (ME) 392*8kB (UME) 140*16kB (ME) 47*32kB (ME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  366.211756]  ? warn_alloc+0x120/0x120
[  366.216556] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  366.231182]  ? print_usage_bug+0xc0/0xc0
[  366.234954] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  366.243850]  ? warn_alloc+0x120/0x120
[  366.247887] 10254 total pagecache pages
[  366.256459]  ? warn_alloc+0x120/0x120
[  366.260244] 0 pages in swap cache
[  366.264190]  ? print_usage_bug+0xc0/0xc0
[  366.267959] Swap cache stats: add 0, delete 0, find 0/0
[  366.271394]  ? kvm_clock_read+0x18/0x30
[  366.275418] Free swap  = 0kB
[  366.280761]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  366.284704] Total swap = 0kB
[  366.287696]  ? print_usage_bug+0xc0/0xc0
[  366.292792] 1965979 pages RAM
[  366.295790]  ? __lock_acquire+0x62f/0x4c20
[  366.299811] 0 pages HighMem/MovableOnly
[  366.299817] 342853 pages reserved
[  366.302918]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  366.307116] 0 pages cma reserved
[  366.311068]  ? should_fail+0x22d/0xd01
[  366.314841] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  366.320285]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  366.323674] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  366.327481]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  366.333933] ksoftirqd/0 cpuset=/ mems_allowed=0
[  366.339187]  ? __lock_acquire+0x62f/0x4c20
[  366.363414]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  366.368517]  ? __lock_acquire+0x62f/0x4c20
[  366.372742]  ? should_fail+0x22d/0xd01
[  366.376614]  ? rcu_irq_exit+0x1a2/0x390
[  366.380582]  ? mark_held_locks+0x130/0x130
[  366.384805]  ? mark_held_locks+0x130/0x130
[  366.389038]  ? mark_held_locks+0xc7/0x130
[  366.393174]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  366.398178]  ? zap_class+0x640/0x640
[  366.401881]  ? print_usage_bug+0xc0/0xc0
[  366.405933]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.411478]  ? check_preemption_disabled+0x48/0x280
[  366.416488]  ? __lock_is_held+0xb5/0x140
[  366.420544]  __alloc_pages_nodemask+0xad8/0xea0
[  366.425202]  ? zap_class+0x640/0x640
[  366.428906]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  366.433916]  ? find_held_lock+0x36/0x1c0
[  366.437972]  ? ____cache_alloc_node+0x1c7/0x1e0
[  366.442627]  ? lock_downgrade+0x900/0x900
[  366.446770]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.452305]  cache_grow_begin+0xa5/0x8c0
[  366.456350]  ? do_raw_spin_unlock+0xa7/0x330
[  366.460751]  fallback_alloc+0x204/0x2e0
[  366.464719]  ____cache_alloc_node+0x1c7/0x1e0
[  366.469208]  kmem_cache_alloc_node+0xe3/0x730
[  366.473689]  ? ipv6_get_ifaddr+0x42e/0x620
[  366.477921]  __alloc_skb+0x119/0x770
[  366.481620]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  366.487386]  ? netdev_alloc_frag+0x1f0/0x1f0
[  366.491784]  ? lock_downgrade+0x900/0x900
[  366.495927]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.501458]  ? refcount_sub_and_test_checked+0x203/0x310
[  366.506897]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  366.512348]  ? addrconf_rs_timer+0x690/0x690
[  366.516752]  ndisc_alloc_skb+0x144/0x340
[  366.520801]  ndisc_send_rs+0x331/0x6e0
[  366.524678]  addrconf_rs_timer+0x314/0x690
[  366.529600]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  366.533828]  call_timer_fn+0x272/0x920
[  366.537702]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  366.541921]  ? process_timeout+0x40/0x40
[  366.545973]  ? __run_timers+0x7da/0xc70
[  366.549941]  ? _raw_spin_unlock_irq+0x27/0x80
[  366.554430]  ? _raw_spin_unlock_irq+0x27/0x80
[  366.558913]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  366.563132]  ? lockdep_hardirqs_on+0x296/0x5b0
[  366.567707]  ? trace_hardirqs_on+0xbd/0x310
[  366.572014]  ? kasan_check_read+0x11/0x20
[  366.576144]  ? __run_timers+0x7da/0xc70
[  366.580104]  ? trace_hardirqs_off_caller+0x310/0x310
[  366.585198]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  366.589431]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  366.593647]  __run_timers+0x7e5/0xc70
[  366.597444]  ? timer_fixup_init+0x70/0x70
[  366.601603]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  366.606606]  ? zap_class+0x640/0x640
[  366.610310]  ? enqueue_hrtimer+0x1a5/0x560
[  366.614543]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  366.619723]  ? find_held_lock+0x36/0x1c0
[  366.623775]  ? zap_class+0x640/0x640
[  366.627480]  ? pvclock_read_flags+0x160/0x160
[  366.631963]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.637489]  ? check_preemption_disabled+0x48/0x280
[  366.642503]  ? __lock_is_held+0xb5/0x140
[  366.646551]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.652072]  ? check_preemption_disabled+0x48/0x280
[  366.657076]  run_timer_softirq+0x52/0xb0
[  366.661133]  ? rcu_read_lock_sched_held+0x14f/0x180
[  366.666223]  __do_softirq+0x308/0xb7e
[  366.670012]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  366.674498]  ? lock_downgrade+0x900/0x900
[  366.678633]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  366.683727]  ? pvclock_read_flags+0x160/0x160
[  366.688225]  ? lapic_next_event+0x5a/0x90
[  366.692379]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.697911]  ? kvm_clock_read+0x18/0x30
[  366.701874]  ? kvm_sched_clock_read+0x9/0x20
[  366.706271]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.711818]  ? check_preemption_disabled+0x48/0x280
[  366.716841]  irq_exit+0x17f/0x1c0
[  366.720289]  smp_apic_timer_interrupt+0x1cb/0x760
[  366.725119]  ? smp_reschedule_interrupt+0x109/0x650
[  366.730125]  ? smp_call_function_single_interrupt+0x650/0x650
[  366.736018]  ? interrupt_entry+0xb5/0xc0
[  366.740068]  ? trace_hardirqs_off_caller+0xbb/0x310
[  366.745072]  ? trace_hardirqs_off_caller+0xbb/0x310
[  366.750078]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  366.754906]  ? trace_hardirqs_on_caller+0x310/0x310
[  366.759908]  ? trace_hardirqs_on_caller+0x310/0x310
[  366.764914]  ? task_prio+0x50/0x50
[  366.768440]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.773982]  ? check_preemption_disabled+0x48/0x280
[  366.778988]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  366.783825]  apic_timer_interrupt+0xf/0x20
[  366.788056]  </IRQ>
[  366.790283] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  366.796159] Code: 3e 7e 0f 85 32 ff ff ff e8 03 6a 3d ff e9 28 ff ff ff e8 4a 99 c2 ff 48 83 3d c2 ed 8e 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 ca 05
[  366.815053] RSP: 0018:ffff888198b071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  366.822749] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  366.830007] RDX: 0000000000000000 RSI: ffff8881bbc289c0 RDI: 0000000000000286
[  366.837261] RBP: ffff888198b07250 R08: ffff8881bbc28140 R09: 0000000000000000
[  366.844517] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800940
[  366.851771] R13: ffff8881da800940 R14: 0000000000000000 R15: 0000000000000286
[  366.859050]  ? save_stack+0xa9/0xd0
[  366.862674]  __kmalloc_node_track_caller+0x3c/0x70
[  366.867601]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  366.872352]  pskb_expand_head+0x230/0x10f0
[  366.876584]  ? memcpy+0x45/0x50
[  366.879863]  ? __copy_skb_header+0x350/0x6b0
[  366.884269]  ? skb_release_data+0x9a0/0x9a0
[  366.888580]  ? __alloc_skb+0x770/0x770
[  366.892486]  ? __lock_is_held+0xb5/0x140
[  366.896542]  ? kasan_check_write+0x14/0x20
[  366.900763]  ? __skb_clone+0x6c7/0xa00
[  366.904639]  ? __copy_skb_header+0x6b0/0x6b0
[  366.909037]  ? kmem_cache_alloc+0x33a/0x730
[  366.913354]  skb_ensure_writable+0x3dd/0x640
[  366.917750]  ? skb_checksum_setup+0xaa0/0xaa0
[  366.922233]  ? check_preemption_disabled+0x48/0x280
[  366.927240]  ? __this_cpu_preempt_check+0x1c/0x20
[  366.932071]  ? __bpf_redirect+0x55b/0xb60
[  366.936214]  bpf_clone_redirect+0x14a/0x490
[  366.940534]  bpf_prog_88483476fbe68a28+0x6f0/0x1000
[  366.945544]  ? __sched_text_start+0x8/0x8
[  366.949687]  ? find_held_lock+0x36/0x1c0
[  366.953742]  ? lock_acquire+0x1ed/0x520
[  366.957737]  ? bpf_test_run+0x3ee/0x7a0
[  366.961701]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.967227]  ? check_preemption_disabled+0x48/0x280
[  366.972233]  ? kasan_check_read+0x11/0x20
[  366.976366]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  366.981636]  ? rcu_softirq_qs+0x20/0x20
[  366.985602]  ? preempt_schedule+0x4d/0x60
[  366.989739]  ? ___preempt_schedule+0x16/0x18
[  366.994140]  ? bpf_test_run+0x271/0x7a0
[  366.998119]  ? netlink_diag_dump+0x2a0/0x2a0
[  367.002524]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  367.008049]  ? bpf_test_init.isra.10+0x70/0x100
[  367.012711]  ? bpf_prog_test_run_skb+0x762/0xd90
[  367.017460]  ? bpf_test_finish.isra.9+0x260/0x260
[  367.022294]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  367.027827]  ? fput+0x130/0x1a0
[  367.031095]  ? __bpf_prog_get+0x9b/0x290
[  367.035147]  ? bpf_test_finish.isra.9+0x260/0x260
[  367.039986]  ? __do_sys_bpf+0x1898/0x4570
[  367.044126]  ? bpf_prog_load+0x1db0/0x1db0
[  367.048355]  ? find_held_lock+0x36/0x1c0
[  367.052414]  ? __might_fault+0x12b/0x1e0
[  367.056463]  ? lock_downgrade+0x900/0x900
[  367.060717]  ? lock_release+0xa00/0xa00
[  367.064682]  ? perf_trace_sched_process_exec+0x860/0x860
[  367.070116]  ? posix_ktime_get_ts+0x15/0x20
[  367.074435]  ? trace_hardirqs_off_caller+0x310/0x310
[  367.079536]  ? kasan_check_read+0x11/0x20
[  367.083667]  ? _copy_to_user+0xc8/0x110
[  367.087629]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  367.093164]  ? put_timespec64+0x10f/0x1b0
[  367.097300]  ? nsecs_to_jiffies+0x30/0x30
[  367.101450]  ? trace_hardirqs_off_caller+0x310/0x310
[  367.106542]  ? __x64_sys_bpf+0x73/0xb0
[  367.110429]  ? do_syscall_64+0x1b9/0x820
[  367.114476]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  367.119932]  ? syscall_return_slowpath+0x5e0/0x5e0
[  367.124845]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  367.129674]  ? trace_hardirqs_on_caller+0x310/0x310
[  367.134698]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  367.139701]  ? prepare_exit_to_usermode+0x291/0x3b0
[  367.144709]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  367.149543]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  367.154910] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #181
[  367.154984] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  367.161742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  367.168279] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  367.177534] Call Trace:
[  367.187988] syz-executor0 cpuset=syz0 mems_allowed=0
[  367.190560]  dump_stack+0x244/0x39d
[  367.199253]  ? dump_stack_print_info.cold.1+0x20/0x20
[  367.204448]  warn_alloc.cold.116+0xb7/0x1bd
[  367.208760]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  367.213595]  ? lock_downgrade+0x900/0x900
[  367.217738]  ? trace_hardirqs_off+0xb8/0x310
[  367.222138]  ? trace_hardirqs_off+0xb8/0x310
[  367.226537]  __alloc_pages_slowpath+0x2651/0x2de0
[  367.231418]  ? warn_alloc+0x120/0x120
[  367.235206]  ? print_usage_bug+0xc0/0xc0
[  367.239254]  ? warn_alloc+0x120/0x120
[  367.243046]  ? warn_alloc+0x120/0x120
[  367.246852]  ? print_usage_bug+0xc0/0xc0
[  367.250901]  ? print_usage_bug+0xc0/0xc0
[  367.254948]  ? __lock_acquire+0x62f/0x4c20
[  367.259183]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  367.264708]  ? should_fail+0x22d/0xd01
[  367.268586]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  367.273675]  ? __lock_acquire+0x62f/0x4c20
[  367.277897]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  367.282986]  ? __lock_acquire+0x62f/0x4c20
[  367.287217]  ? should_fail+0x22d/0xd01
[  367.291101]  ? mark_held_locks+0x130/0x130
[  367.295327]  ? mark_held_locks+0x130/0x130
[  367.299550]  ? zap_class+0x640/0x640
[  367.303262]  ? zap_class+0x640/0x640
[  367.306965]  ? zap_class+0x640/0x640
[  367.310677]  ? print_usage_bug+0xc0/0xc0
[  367.314721]  ? mark_held_locks+0x130/0x130
[  367.318943]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.324468]  ? check_preemption_disabled+0x48/0x280
[  367.329484]  ? __lock_is_held+0xb5/0x140
[  367.333536]  __alloc_pages_nodemask+0xad8/0xea0
[  367.338199]  ? zap_class+0x640/0x640
[  367.341903]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  367.346919]  ? find_held_lock+0x36/0x1c0
[  367.350974]  ? ____cache_alloc_node+0x1c7/0x1e0
[  367.355636]  ? lock_downgrade+0x900/0x900
[  367.359778]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.365307]  cache_grow_begin+0xa5/0x8c0
[  367.369354]  ? do_raw_spin_unlock+0xa7/0x330
[  367.373763]  fallback_alloc+0x204/0x2e0
[  367.377739]  ____cache_alloc_node+0x1c7/0x1e0
[  367.382227]  kmem_cache_alloc_node+0xe3/0x730
[  367.386708]  ? ipv6_get_ifaddr+0x42e/0x620
[  367.390935]  __alloc_skb+0x119/0x770
[  367.394636]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  367.399903]  ? netdev_alloc_frag+0x1f0/0x1f0
[  367.404296]  ? lock_downgrade+0x900/0x900
[  367.408438]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.413961]  ? refcount_sub_and_test_checked+0x203/0x310
[  367.419398]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  367.424832]  ? addrconf_rs_timer+0x690/0x690
[  367.429239]  ndisc_alloc_skb+0x144/0x340
[  367.433289]  ndisc_send_rs+0x331/0x6e0
[  367.437166]  addrconf_rs_timer+0x314/0x690
[  367.441394]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.445633]  call_timer_fn+0x272/0x920
[  367.449506]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.453726]  ? process_timeout+0x40/0x40
[  367.457778]  ? __run_timers+0x7da/0xc70
[  367.461739]  ? _raw_spin_unlock_irq+0x27/0x80
[  367.466221]  ? _raw_spin_unlock_irq+0x27/0x80
[  367.470708]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.474935]  ? lockdep_hardirqs_on+0x296/0x5b0
[  367.479504]  ? trace_hardirqs_on+0xbd/0x310
[  367.483810]  ? kasan_check_read+0x11/0x20
[  367.487941]  ? __run_timers+0x7da/0xc70
[  367.491905]  ? trace_hardirqs_off_caller+0x310/0x310
[  367.497006]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.501223]  __run_timers+0x7e5/0xc70
[  367.505015]  ? timer_fixup_init+0x70/0x70
[  367.509177]  ? _raw_spin_unlock_irq+0x27/0x80
[  367.513668]  ? _raw_spin_unlock_irq+0x27/0x80
[  367.518152]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  367.522721]  ? trace_hardirqs_on+0xbd/0x310
[  367.527027]  ? kasan_check_read+0x11/0x20
[  367.531164]  ? finish_task_switch+0x1f4/0x910
[  367.535647]  ? trace_hardirqs_off_caller+0x310/0x310
[  367.540750]  ? compat_start_thread+0x80/0x80
[  367.545166]  ? pvclock_read_flags+0x160/0x160
[  367.549661]  ? __switch_to_asm+0x34/0x70
[  367.553713]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.559236]  ? check_preemption_disabled+0x48/0x280
[  367.564258]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  367.569785]  ? rcu_pm_notify+0xc0/0xc0
[  367.573664]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.579187]  ? check_preemption_disabled+0x48/0x280
[  367.584190]  run_timer_softirq+0x52/0xb0
[  367.588238]  ? rcu_read_lock_sched_held+0x14f/0x180
[  367.593242]  __do_softirq+0x308/0xb7e
[  367.597031]  ? retint_kernel+0x2d/0x2d
[  367.600910]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  367.605998]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  367.611431]  ? rcu_irq_enter+0x18c/0x310
[  367.615481]  ? schedule+0x108/0x460
[  367.619095]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  367.623845]  ? trace_hardirqs_off+0xb8/0x310
[  367.628239]  ? smpboot_thread_fn+0x68b/0xa00
[  367.632632]  ? trace_hardirqs_on+0x310/0x310
[  367.637029]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  367.642556]  ? check_preemption_disabled+0x48/0x280
[  367.647561]  ? takeover_tasklets+0xa90/0xa90
[  367.651962]  run_ksoftirqd+0x5e/0x100
[  367.655750]  smpboot_thread_fn+0x68b/0xa00
[  367.659974]  ? sort_range+0x30/0x30
[  367.663588]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  367.668692]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  367.674214]  ? __kthread_parkme+0xfb/0x1a0
[  367.678439]  ? sort_range+0x30/0x30
[  367.682052]  kthread+0x35a/0x440
[  367.685407]  ? kthread_stop+0x900/0x900
[  367.689373]  ret_from_fork+0x3a/0x50
[  367.693083] warn_alloc_show_mem: 1 callbacks suppressed
[  367.693091] CPU: 1 PID: 16176 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #181
[  367.693092] Mem-Info:
[  367.693122] active_anon:54949 inactive_anon:10067 isolated_anon:0
[  367.693122]  active_file:12 inactive_file:12 isolated_file:0
[  367.693122]  unevictable:0 dirty:0 writeback:0 unstable:0
[  367.693122]  slab_reclaimable:9454 slab_unreclaimable:1442611
[  367.693122]  mapped:40962 shmem:10230 pagetables:596 bounce:0
[  367.693122]  free:13765 free_pcp:525 free_cma:0
[  367.698452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  367.705801] Node 0 active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:40920kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 202752kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  367.708182] Call Trace:
[  367.741377] 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
[  367.750707]  <IRQ>
[  367.778608] lowmem_reserve[]: 0 2818 6321 6321
[  367.781175]  dump_stack+0x244/0x39d
[  367.807352] Node 0 DMA32 free:25248kB 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:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  367.809485]  ? dump_stack_print_info.cold.1+0x20/0x20
[  367.814116] lowmem_reserve[]: 0 0 3503 3503
[  367.817741]  warn_alloc.cold.116+0xb7/0x1bd
[  367.845022] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2384kB bounce:0kB free_pcp:1852kB local_pcp:1500kB free_cma:0kB
[  367.850193]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  367.854482] lowmem_reserve[]: 0 0 0 0
[  367.858787]  ? lock_downgrade+0x900/0x900
[  367.887986] 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
[  367.892815]  ? trace_hardirqs_off+0xb8/0x310
[  367.896580] Node 0 DMA32: 4*4kB (UM) 0*8kB 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB
[  367.900713]  ? trace_hardirqs_off+0xb8/0x310
[  367.914200] Node 0 Normal: 1308*4kB (ME) 392*8kB (UME) 140*16kB (ME) 47*32kB (ME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  367.918597]  __alloc_pages_slowpath+0x2651/0x2de0
[  367.933485] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  367.937898]  ? warn_alloc+0x120/0x120
[  367.952504] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  367.957326]  ? print_usage_bug+0xc0/0xc0
[  367.966127] 10254 total pagecache pages
[  367.969904]  ? warn_alloc+0x120/0x120
[  367.978450] 0 pages in swap cache
[  367.982493]  ? warn_alloc+0x120/0x120
[  367.986437] Swap cache stats: add 0, delete 0, find 0/0
[  367.990212]  ? print_usage_bug+0xc0/0xc0
[  367.993631] Free swap  = 0kB
[  367.997423]  ? kvm_clock_read+0x18/0x30
[  368.002752] Total swap = 0kB
[  368.006793]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  368.009778] 1965979 pages RAM
[  368.013731]  ? print_usage_bug+0xc0/0xc0
[  368.016710] 0 pages HighMem/MovableOnly
[  368.016716] 342853 pages reserved
[  368.021710]  ? __lock_acquire+0x62f/0x4c20
[  368.024779] 0 pages cma reserved
[  368.028818]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  368.032815] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  368.036190]  ? should_fail+0x22d/0xd01
[  368.036201]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  368.036216]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  368.040463] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  368.043849]  ? __lock_acquire+0x62f/0x4c20
[  368.049352] ksoftirqd/0 cpuset=/ mems_allowed=0
[  368.055822]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  368.094222]  ? __lock_acquire+0x62f/0x4c20
[  368.098440]  ? should_fail+0x22d/0xd01
[  368.102320]  ? rcu_irq_exit+0x1a2/0x390
[  368.106303]  ? mark_held_locks+0x130/0x130
[  368.110533]  ? mark_held_locks+0x130/0x130
[  368.114761]  ? mark_held_locks+0xc7/0x130
[  368.118896]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  368.123899]  ? zap_class+0x640/0x640
[  368.127599]  ? print_usage_bug+0xc0/0xc0
[  368.131649]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.137186]  ? check_preemption_disabled+0x48/0x280
[  368.142198]  ? __lock_is_held+0xb5/0x140
[  368.146250]  __alloc_pages_nodemask+0xad8/0xea0
[  368.150908]  ? zap_class+0x640/0x640
[  368.154611]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  368.159621]  ? find_held_lock+0x36/0x1c0
[  368.163681]  ? ____cache_alloc_node+0x1c7/0x1e0
[  368.168340]  ? lock_downgrade+0x900/0x900
[  368.172482]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.178007]  cache_grow_begin+0xa5/0x8c0
[  368.182054]  ? do_raw_spin_unlock+0xa7/0x330
[  368.186457]  fallback_alloc+0x204/0x2e0
[  368.190520]  ____cache_alloc_node+0x1c7/0x1e0
[  368.195010]  kmem_cache_alloc_node+0xe3/0x730
[  368.199497]  ? ipv6_get_ifaddr+0x42e/0x620
[  368.203734]  __alloc_skb+0x119/0x770
[  368.207443]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  368.212715]  ? netdev_alloc_frag+0x1f0/0x1f0
[  368.217114]  ? lock_downgrade+0x900/0x900
[  368.221258]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.226780]  ? refcount_sub_and_test_checked+0x203/0x310
[  368.232223]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  368.237674]  ? addrconf_rs_timer+0x690/0x690
[  368.242082]  ndisc_alloc_skb+0x144/0x340
[  368.246132]  ndisc_send_rs+0x331/0x6e0
[  368.250011]  addrconf_rs_timer+0x314/0x690
[  368.254237]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  368.258468]  call_timer_fn+0x272/0x920
[  368.262340]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  368.266560]  ? process_timeout+0x40/0x40
[  368.270612]  ? __run_timers+0x7da/0xc70
[  368.274576]  ? _raw_spin_unlock_irq+0x27/0x80
[  368.279064]  ? _raw_spin_unlock_irq+0x27/0x80
[  368.283548]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  368.287769]  ? lockdep_hardirqs_on+0x296/0x5b0
[  368.292339]  ? trace_hardirqs_on+0xbd/0x310
[  368.296648]  ? kasan_check_read+0x11/0x20
[  368.300789]  ? __run_timers+0x7da/0xc70
[  368.304750]  ? trace_hardirqs_off_caller+0x310/0x310
[  368.309845]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  368.314242]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  368.318474]  __run_timers+0x7e5/0xc70
[  368.322270]  ? timer_fixup_init+0x70/0x70
[  368.326412]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  368.331414]  ? zap_class+0x640/0x640
[  368.335123]  ? enqueue_hrtimer+0x1a5/0x560
[  368.339346]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  368.344529]  ? find_held_lock+0x36/0x1c0
[  368.348584]  ? zap_class+0x640/0x640
[  368.352287]  ? pvclock_read_flags+0x160/0x160
[  368.356778]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.362308]  ? check_preemption_disabled+0x48/0x280
[  368.367320]  ? __lock_is_held+0xb5/0x140
[  368.371369]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.377096]  ? check_preemption_disabled+0x48/0x280
[  368.382103]  run_timer_softirq+0x52/0xb0
[  368.386152]  ? rcu_read_lock_sched_held+0x14f/0x180
[  368.391156]  __do_softirq+0x308/0xb7e
[  368.394946]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  368.399540]  ? lock_downgrade+0x900/0x900
[  368.403679]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  368.408779]  ? pvclock_read_flags+0x160/0x160
[  368.413265]  ? lapic_next_event+0x5a/0x90
[  368.417484]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.423011]  ? kvm_clock_read+0x18/0x30
[  368.426970]  ? kvm_sched_clock_read+0x9/0x20
[  368.431364]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.436887]  ? check_preemption_disabled+0x48/0x280
[  368.441898]  irq_exit+0x17f/0x1c0
[  368.445373]  smp_apic_timer_interrupt+0x1cb/0x760
[  368.450204]  ? smp_reschedule_interrupt+0x109/0x650
[  368.455216]  ? smp_call_function_single_interrupt+0x650/0x650
[  368.461086]  ? interrupt_entry+0xb5/0xc0
[  368.465136]  ? trace_hardirqs_off_caller+0xbb/0x310
[  368.470139]  ? trace_hardirqs_off_caller+0xbb/0x310
[  368.475151]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  368.479983]  ? trace_hardirqs_on_caller+0x310/0x310
[  368.485484]  ? trace_hardirqs_on_caller+0x310/0x310
[  368.490490]  ? task_prio+0x50/0x50
[  368.494022]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.499556]  ? check_preemption_disabled+0x48/0x280
[  368.504588]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  368.509437]  apic_timer_interrupt+0xf/0x20
[  368.513655]  </IRQ>
[  368.515880] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  368.521754] Code: 3e 7e 0f 85 32 ff ff ff e8 03 6a 3d ff e9 28 ff ff ff e8 4a 99 c2 ff 48 83 3d c2 ed 8e 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 ca 05
[  368.540640] RSP: 0018:ffff888198b071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  368.548336] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  368.555593] RDX: 0000000000000000 RSI: ffff8881bbc289c0 RDI: 0000000000000286
[  368.562849] RBP: ffff888198b07250 R08: ffff8881bbc28140 R09: 0000000000000000
[  368.570104] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800940
[  368.577364] R13: ffff8881da800940 R14: 0000000000000000 R15: 0000000000000286
[  368.584643]  ? save_stack+0xa9/0xd0
[  368.588268]  __kmalloc_node_track_caller+0x3c/0x70
[  368.593193]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  368.597937]  pskb_expand_head+0x230/0x10f0
[  368.602162]  ? memcpy+0x45/0x50
[  368.605428]  ? __copy_skb_header+0x350/0x6b0
[  368.609821]  ? skb_release_data+0x9a0/0x9a0
[  368.614128]  ? __alloc_skb+0x770/0x770
[  368.618012]  ? __lock_is_held+0xb5/0x140
[  368.622075]  ? kasan_check_write+0x14/0x20
[  368.626304]  ? __skb_clone+0x6c7/0xa00
[  368.630180]  ? __copy_skb_header+0x6b0/0x6b0
[  368.634576]  ? kmem_cache_alloc+0x33a/0x730
[  368.638889]  skb_ensure_writable+0x3dd/0x640
[  368.643294]  ? skb_checksum_setup+0xaa0/0xaa0
[  368.647777]  ? check_preemption_disabled+0x48/0x280
[  368.652787]  ? __this_cpu_preempt_check+0x1c/0x20
[  368.657619]  ? __bpf_redirect+0x55b/0xb60
[  368.661760]  bpf_clone_redirect+0x14a/0x490
[  368.666080]  bpf_prog_88483476fbe68a28+0x6f0/0x1000
[  368.671090]  ? __sched_text_start+0x8/0x8
[  368.675238]  ? find_held_lock+0x36/0x1c0
[  368.679312]  ? lock_acquire+0x1ed/0x520
[  368.683287]  ? bpf_test_run+0x3ee/0x7a0
[  368.687251]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.692782]  ? check_preemption_disabled+0x48/0x280
[  368.697787]  ? kasan_check_read+0x11/0x20
[  368.701921]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  368.707182]  ? rcu_softirq_qs+0x20/0x20
[  368.711144]  ? preempt_schedule+0x4d/0x60
[  368.715283]  ? ___preempt_schedule+0x16/0x18
[  368.719685]  ? bpf_test_run+0x271/0x7a0
[  368.723657]  ? netlink_diag_dump+0x2a0/0x2a0
[  368.728078]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  368.733603]  ? bpf_test_init.isra.10+0x70/0x100
[  368.738271]  ? bpf_prog_test_run_skb+0x762/0xd90
[  368.743027]  ? bpf_test_finish.isra.9+0x260/0x260
[  368.747860]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  368.753385]  ? fput+0x130/0x1a0
[  368.756658]  ? __bpf_prog_get+0x9b/0x290
[  368.760711]  ? bpf_test_finish.isra.9+0x260/0x260
[  368.765538]  ? __do_sys_bpf+0x1898/0x4570
[  368.769790]  ? bpf_prog_load+0x1db0/0x1db0
[  368.774018]  ? find_held_lock+0x36/0x1c0
[  368.778081]  ? __might_fault+0x12b/0x1e0
[  368.782134]  ? lock_downgrade+0x900/0x900
[  368.786279]  ? lock_release+0xa00/0xa00
[  368.790241]  ? perf_trace_sched_process_exec+0x860/0x860
[  368.795685]  ? posix_ktime_get_ts+0x15/0x20
[  368.799996]  ? trace_hardirqs_off_caller+0x310/0x310
[  368.805116]  ? kasan_check_read+0x11/0x20
[  368.809267]  ? _copy_to_user+0xc8/0x110
[  368.813229]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  368.818754]  ? put_timespec64+0x10f/0x1b0
[  368.822889]  ? nsecs_to_jiffies+0x30/0x30
[  368.827039]  ? trace_hardirqs_off_caller+0x310/0x310
[  368.832393]  ? __x64_sys_bpf+0x73/0xb0
[  368.836277]  ? do_syscall_64+0x1b9/0x820
[  368.840322]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  368.845677]  ? syscall_return_slowpath+0x5e0/0x5e0
[  368.850595]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  368.855427]  ? trace_hardirqs_on_caller+0x310/0x310
[  368.860432]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  368.865437]  ? prepare_exit_to_usermode+0x291/0x3b0
[  368.870449]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  368.875287]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  368.880650] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #181
[  368.880722] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  368.887477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  368.887481] Call Trace:
[  368.887495]  dump_stack+0x244/0x39d
[  368.887519]  ? dump_stack_print_info.cold.1+0x20/0x20
[  368.894028] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  368.903312]  warn_alloc.cold.116+0xb7/0x1bd
[  368.905860] syz-executor0 cpuset=syz0 mems_allowed=0
[  368.909467]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  368.939292]  ? lock_downgrade+0x900/0x900
[  368.943440]  ? trace_hardirqs_off+0xb8/0x310
[  368.947842]  ? trace_hardirqs_off+0xb8/0x310
[  368.952241]  __alloc_pages_slowpath+0x2651/0x2de0
[  368.957098]  ? warn_alloc+0x120/0x120
[  368.960890]  ? print_usage_bug+0xc0/0xc0
[  368.964938]  ? warn_alloc+0x120/0x120
[  368.968727]  ? warn_alloc+0x120/0x120
[  368.972520]  ? print_usage_bug+0xc0/0xc0
[  368.976570]  ? print_usage_bug+0xc0/0xc0
[  368.980617]  ? __lock_acquire+0x62f/0x4c20
[  368.984843]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  368.990366]  ? should_fail+0x22d/0xd01
[  368.994257]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  368.999348]  ? __lock_acquire+0x62f/0x4c20
[  369.003572]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  369.008667]  ? __lock_acquire+0x62f/0x4c20
[  369.013007]  ? should_fail+0x22d/0xd01
[  369.016901]  ? find_held_lock+0x36/0x1c0
[  369.020954]  ? mark_held_locks+0x130/0x130
[  369.025177]  ? mark_held_locks+0x130/0x130
[  369.029396]  ? zap_class+0x640/0x640
[  369.033093]  ? zap_class+0x640/0x640
[  369.036794]  ? print_usage_bug+0xc0/0xc0
[  369.040841]  ? do_raw_spin_unlock+0xa7/0x330
[  369.045237]  ? zap_class+0x640/0x640
[  369.048943]  ? print_usage_bug+0xc0/0xc0
[  369.052998]  ? wq_watchdog_touch+0x9c/0xfe
[  369.057224]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.062753]  ? check_preemption_disabled+0x48/0x280
[  369.067766]  ? __lock_is_held+0xb5/0x140
[  369.071823]  __alloc_pages_nodemask+0xad8/0xea0
[  369.076476]  ? zap_class+0x640/0x640
[  369.080191]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  369.085206]  ? find_held_lock+0x36/0x1c0
[  369.089270]  ? ____cache_alloc_node+0x1c7/0x1e0
[  369.093928]  ? lock_downgrade+0x900/0x900
[  369.098082]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.103612]  cache_grow_begin+0xa5/0x8c0
[  369.107660]  ? do_raw_spin_unlock+0xa7/0x330
[  369.112073]  fallback_alloc+0x204/0x2e0
[  369.116039]  ____cache_alloc_node+0x1c7/0x1e0
[  369.120530]  kmem_cache_alloc_node+0xe3/0x730
[  369.125014]  ? ipv6_get_ifaddr+0x42e/0x620
[  369.129337]  __alloc_skb+0x119/0x770
[  369.133039]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  369.138308]  ? netdev_alloc_frag+0x1f0/0x1f0
[  369.142704]  ? lock_downgrade+0x900/0x900
[  369.146847]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.152368]  ? refcount_sub_and_test_checked+0x203/0x310
[  369.157806]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  369.163251]  ? addrconf_rs_timer+0x690/0x690
[  369.167656]  ndisc_alloc_skb+0x144/0x340
[  369.171708]  ndisc_send_rs+0x331/0x6e0
[  369.175587]  addrconf_rs_timer+0x314/0x690
[  369.179811]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  369.184042]  call_timer_fn+0x272/0x920
[  369.187924]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  369.192147]  ? process_timeout+0x40/0x40
[  369.196204]  ? __run_timers+0x7da/0xc70
[  369.200173]  ? _raw_spin_unlock_irq+0x27/0x80
[  369.204655]  ? _raw_spin_unlock_irq+0x27/0x80
[  369.209135]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  369.213372]  ? lockdep_hardirqs_on+0x296/0x5b0
[  369.217945]  ? trace_hardirqs_on+0xbd/0x310
[  369.222258]  ? kasan_check_read+0x11/0x20
[  369.226388]  ? __run_timers+0x7da/0xc70
[  369.230348]  ? trace_hardirqs_off_caller+0x310/0x310
[  369.235438]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  369.239665]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  369.243898]  __run_timers+0x7e5/0xc70
[  369.247692]  ? timer_fixup_init+0x70/0x70
[  369.251828]  ? _raw_spin_unlock_irq+0x27/0x80
[  369.256309]  ? _raw_spin_unlock_irq+0x27/0x80
[  369.260790]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  369.265358]  ? trace_hardirqs_on+0xbd/0x310
[  369.269665]  ? kasan_check_read+0x11/0x20
[  369.273797]  ? finish_task_switch+0x1f4/0x910
[  369.278277]  ? trace_hardirqs_off_caller+0x310/0x310
[  369.283369]  ? compat_start_thread+0x80/0x80
[  369.287780]  ? pvclock_read_flags+0x160/0x160
[  369.292259]  ? __switch_to_asm+0x34/0x70
[  369.296310]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.301834]  ? check_preemption_disabled+0x48/0x280
[  369.306848]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  369.312407]  ? rcu_pm_notify+0xc0/0xc0
[  369.316279]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.321802]  ? check_preemption_disabled+0x48/0x280
[  369.326811]  run_timer_softirq+0x52/0xb0
[  369.330856]  ? rcu_read_lock_sched_held+0x14f/0x180
[  369.335861]  __do_softirq+0x308/0xb7e
[  369.339649]  ? retint_kernel+0x2d/0x2d
[  369.343526]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  369.348616]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  369.354054]  ? rcu_irq_enter+0x18c/0x310
[  369.358107]  ? schedule+0x108/0x460
[  369.361722]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  369.366472]  ? trace_hardirqs_off+0xb8/0x310
[  369.370870]  ? smpboot_thread_fn+0x68b/0xa00
[  369.375271]  ? trace_hardirqs_on+0x310/0x310
[  369.379671]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  369.385193]  ? check_preemption_disabled+0x48/0x280
[  369.390203]  ? takeover_tasklets+0xa90/0xa90
[  369.394606]  run_ksoftirqd+0x5e/0x100
[  369.398412]  smpboot_thread_fn+0x68b/0xa00
[  369.402653]  ? sort_range+0x30/0x30
[  369.406267]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  369.411359]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  369.416882]  ? __kthread_parkme+0xfb/0x1a0
[  369.421119]  ? sort_range+0x30/0x30
[  369.424732]  kthread+0x35a/0x440
[  369.428083]  ? kthread_stop+0x900/0x900
[  369.432046]  ret_from_fork+0x3a/0x50
[  369.435755] warn_alloc_show_mem: 1 callbacks suppressed
[  369.435763] CPU: 1 PID: 16176 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #181
[  369.435765] Mem-Info:
[  369.435792] active_anon:54949 inactive_anon:10067 isolated_anon:0
[  369.435792]  active_file:12 inactive_file:12 isolated_file:0
[  369.435792]  unevictable:0 dirty:0 writeback:0 unstable:0
[  369.435792]  slab_reclaimable:9454 slab_unreclaimable:1442611
[  369.435792]  mapped:40962 shmem:10230 pagetables:596 bounce:0
[  369.435792]  free:13765 free_pcp:525 free_cma:0
[  369.441120] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  369.448468] Node 0 active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:40920kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 202752kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  369.450873] Call Trace:
[  369.484069] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  369.493403]  <IRQ>
[  369.521307] lowmem_reserve[]: 0 2818 6321 6321
[  369.523878]  dump_stack+0x244/0x39d
[  369.549947] Node 0 DMA32 free:25248kB 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:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  369.552083]  ? dump_stack_print_info.cold.1+0x20/0x20
[  369.556631] lowmem_reserve[]: 0 0 3503 3503
[  369.560247]  warn_alloc.cold.116+0xb7/0x1bd
[  369.587528] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2384kB bounce:0kB free_pcp:1852kB local_pcp:1500kB free_cma:0kB
[  369.592697]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  369.596983] lowmem_reserve[]: 0 0 0 0
[  369.601298]  ? lock_downgrade+0x900/0x900
[  369.630493] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  369.635327]  ? trace_hardirqs_off+0xb8/0x310
[  369.639088] Node 0 DMA32: 4*4kB (UM) 0*8kB 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB
[  369.643227]  ? trace_hardirqs_off+0xb8/0x310
[  369.656714] Node 0 Normal: 1308*4kB (ME) 392*8kB (UME) 140*16kB (ME) 47*32kB (ME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  369.661107]  __alloc_pages_slowpath+0x2651/0x2de0
[  369.675994] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  369.680423]  ? warn_alloc+0x120/0x120
[  369.695032] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  369.699851]  ? print_usage_bug+0xc0/0xc0
[  369.708658] 10254 total pagecache pages
[  369.712439]  ? warn_alloc+0x120/0x120
[  369.720984] 0 pages in swap cache
[  369.725019]  ? warn_alloc+0x120/0x120
[  369.728957] Swap cache stats: add 0, delete 0, find 0/0
[  369.728963] Free swap  = 0kB
[  369.732757]  ? print_usage_bug+0xc0/0xc0
[  369.736179] Total swap = 0kB
[  369.739969]  ? print_usage_bug+0xc0/0xc0
[  369.745297] 1965979 pages RAM
[  369.748297]  ? __lock_acquire+0x62f/0x4c20
[  369.752319] 0 pages HighMem/MovableOnly
[  369.752342] 342853 pages reserved
[  369.755346]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  369.759364] 0 pages cma reserved
[  369.759432] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  369.762456]  ? should_fail+0x22d/0xd01
[  369.766732] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  369.770618]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  369.774038] ksoftirqd/0 cpuset=/ mems_allowed=0
[  369.779564]  ? __lock_acquire+0x62f/0x4c20
[  369.817456]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  369.822556]  ? __lock_acquire+0x62f/0x4c20
[  369.826791]  ? should_fail+0x22d/0xd01
[  369.830682]  ? find_held_lock+0x36/0x1c0
[  369.834738]  ? mark_held_locks+0x130/0x130
[  369.838968]  ? mark_held_locks+0x130/0x130
[  369.843194]  ? zap_class+0x640/0x640
[  369.846894]  ? zap_class+0x640/0x640
[  369.850598]  ? print_usage_bug+0xc0/0xc0
[  369.854642]  ? do_raw_spin_unlock+0xa7/0x330
[  369.859050]  ? zap_class+0x640/0x640
[  369.862750]  ? print_usage_bug+0xc0/0xc0
[  369.866803]  ? wq_watchdog_touch+0x9c/0xfe
[  369.871025]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.876550]  ? check_preemption_disabled+0x48/0x280
[  369.881565]  ? __lock_is_held+0xb5/0x140
[  369.885626]  __alloc_pages_nodemask+0xad8/0xea0
[  369.890283]  ? zap_class+0x640/0x640
[  369.893989]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  369.899008]  ? find_held_lock+0x36/0x1c0
[  369.903066]  ? ____cache_alloc_node+0x1c7/0x1e0
[  369.907740]  ? lock_downgrade+0x900/0x900
[  369.911878]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.917408]  cache_grow_begin+0xa5/0x8c0
[  369.921456]  ? do_raw_spin_unlock+0xa7/0x330
[  369.925859]  fallback_alloc+0x204/0x2e0
[  369.929824]  ____cache_alloc_node+0x1c7/0x1e0
[  369.934325]  kmem_cache_alloc_node+0xe3/0x730
[  369.938812]  ? ipv6_get_ifaddr+0x42e/0x620
[  369.943044]  __alloc_skb+0x119/0x770
[  369.946742]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  369.952017]  ? netdev_alloc_frag+0x1f0/0x1f0
[  369.956422]  ? lock_downgrade+0x900/0x900
[  369.960586]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.966115]  ? refcount_sub_and_test_checked+0x203/0x310
[  369.971553]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  369.976994]  ? addrconf_rs_timer+0x690/0x690
[  369.981411]  ndisc_alloc_skb+0x144/0x340
[  369.985464]  ndisc_send_rs+0x331/0x6e0
[  369.989344]  addrconf_rs_timer+0x314/0x690
[  369.993663]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  369.997895]  call_timer_fn+0x272/0x920
[  370.001802]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.006025]  ? process_timeout+0x40/0x40
[  370.010081]  ? __run_timers+0x7da/0xc70
[  370.014047]  ? _raw_spin_unlock_irq+0x27/0x80
[  370.018532]  ? _raw_spin_unlock_irq+0x27/0x80
[  370.023013]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.027239]  ? lockdep_hardirqs_on+0x296/0x5b0
[  370.031821]  ? trace_hardirqs_on+0xbd/0x310
[  370.036130]  ? kasan_check_read+0x11/0x20
[  370.040262]  ? __run_timers+0x7da/0xc70
[  370.044230]  ? trace_hardirqs_off_caller+0x310/0x310
[  370.049326]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.053555]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.057773]  __run_timers+0x7e5/0xc70
[  370.061566]  ? timer_fixup_init+0x70/0x70
[  370.065703]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  370.070713]  ? zap_class+0x640/0x640
[  370.074432]  ? enqueue_hrtimer+0x1a5/0x560
[  370.078664]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  370.083847]  ? find_held_lock+0x36/0x1c0
[  370.087900]  ? zap_class+0x640/0x640
[  370.091613]  ? pvclock_read_flags+0x160/0x160
[  370.096098]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.101620]  ? check_preemption_disabled+0x48/0x280
[  370.106630]  ? __lock_is_held+0xb5/0x140
[  370.110680]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.116206]  ? check_preemption_disabled+0x48/0x280
[  370.121214]  run_timer_softirq+0x52/0xb0
[  370.125268]  ? rcu_read_lock_sched_held+0x14f/0x180
[  370.130274]  __do_softirq+0x308/0xb7e
[  370.134065]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  370.138546]  ? lock_downgrade+0x900/0x900
[  370.142685]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  370.147780]  ? pvclock_read_flags+0x160/0x160
[  370.152266]  ? lapic_next_event+0x5a/0x90
[  370.156403]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.161959]  ? kvm_clock_read+0x18/0x30
[  370.165927]  ? kvm_sched_clock_read+0x9/0x20
[  370.170323]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.175846]  ? check_preemption_disabled+0x48/0x280
[  370.180858]  irq_exit+0x17f/0x1c0
[  370.184302]  smp_apic_timer_interrupt+0x1cb/0x760
[  370.189129]  ? smp_reschedule_interrupt+0x109/0x650
[  370.194220]  ? smp_call_function_single_interrupt+0x650/0x650
[  370.200089]  ? interrupt_entry+0xb5/0xc0
[  370.204142]  ? trace_hardirqs_off_caller+0xbb/0x310
[  370.209156]  ? trace_hardirqs_off_caller+0xbb/0x310
[  370.214178]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  370.219009]  ? trace_hardirqs_on_caller+0x310/0x310
[  370.224010]  ? trace_hardirqs_on_caller+0x310/0x310
[  370.229014]  ? task_prio+0x50/0x50
[  370.232544]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.238071]  ? check_preemption_disabled+0x48/0x280
[  370.243099]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  370.247950]  apic_timer_interrupt+0xf/0x20
[  370.252174]  </IRQ>
[  370.254400] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  370.260273] Code: 3e 7e 0f 85 32 ff ff ff e8 03 6a 3d ff e9 28 ff ff ff e8 4a 99 c2 ff 48 83 3d c2 ed 8e 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 ca 05
[  370.279165] RSP: 0018:ffff888198b071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  370.286858] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  370.294110] RDX: 0000000000000000 RSI: ffff8881bbc289c0 RDI: 0000000000000286
[  370.301368] RBP: ffff888198b07250 R08: ffff8881bbc28140 R09: 0000000000000000
[  370.308623] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800940
[  370.316031] R13: ffff8881da800940 R14: 0000000000000000 R15: 0000000000000286
[  370.323341]  ? save_stack+0xa9/0xd0
[  370.326968]  __kmalloc_node_track_caller+0x3c/0x70
[  370.332015]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  370.336765]  pskb_expand_head+0x230/0x10f0
[  370.340998]  ? memcpy+0x45/0x50
[  370.344267]  ? __copy_skb_header+0x350/0x6b0
[  370.348665]  ? skb_release_data+0x9a0/0x9a0
[  370.353088]  ? __alloc_skb+0x770/0x770
[  370.356972]  ? __lock_is_held+0xb5/0x140
[  370.361026]  ? kasan_check_write+0x14/0x20
[  370.365248]  ? __skb_clone+0x6c7/0xa00
[  370.369123]  ? __copy_skb_header+0x6b0/0x6b0
[  370.373519]  ? kmem_cache_alloc+0x33a/0x730
[  370.377834]  skb_ensure_writable+0x3dd/0x640
[  370.382246]  ? skb_checksum_setup+0xaa0/0xaa0
[  370.386732]  ? check_preemption_disabled+0x48/0x280
[  370.391740]  ? __this_cpu_preempt_check+0x1c/0x20
[  370.396593]  ? __bpf_redirect+0x55b/0xb60
[  370.400739]  bpf_clone_redirect+0x14a/0x490
[  370.405061]  bpf_prog_88483476fbe68a28+0x6f0/0x1000
[  370.410087]  ? __sched_text_start+0x8/0x8
[  370.414241]  ? find_held_lock+0x36/0x1c0
[  370.418311]  ? lock_acquire+0x1ed/0x520
[  370.422277]  ? bpf_test_run+0x3ee/0x7a0
[  370.426247]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.431798]  ? check_preemption_disabled+0x48/0x280
[  370.436813]  ? kasan_check_read+0x11/0x20
[  370.440962]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  370.446225]  ? rcu_softirq_qs+0x20/0x20
[  370.450191]  ? preempt_schedule+0x4d/0x60
[  370.454331]  ? ___preempt_schedule+0x16/0x18
[  370.458732]  ? bpf_test_run+0x271/0x7a0
[  370.462701]  ? netlink_diag_dump+0x2a0/0x2a0
[  370.467098]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  370.472623]  ? bpf_test_init.isra.10+0x70/0x100
[  370.477283]  ? bpf_prog_test_run_skb+0x762/0xd90
[  370.482512]  ? bpf_test_finish.isra.9+0x260/0x260
[  370.487354]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  370.492882]  ? fput+0x130/0x1a0
[  370.496165]  ? __bpf_prog_get+0x9b/0x290
[  370.500214]  ? bpf_test_finish.isra.9+0x260/0x260
[  370.505041]  ? __do_sys_bpf+0x1898/0x4570
[  370.509182]  ? bpf_prog_load+0x1db0/0x1db0
[  370.513403]  ? find_held_lock+0x36/0x1c0
[  370.517458]  ? __might_fault+0x12b/0x1e0
[  370.521511]  ? lock_downgrade+0x900/0x900
[  370.525652]  ? lock_release+0xa00/0xa00
[  370.529611]  ? perf_trace_sched_process_exec+0x860/0x860
[  370.535045]  ? posix_ktime_get_ts+0x15/0x20
[  370.539373]  ? trace_hardirqs_off_caller+0x310/0x310
[  370.544485]  ? kasan_check_read+0x11/0x20
[  370.548624]  ? _copy_to_user+0xc8/0x110
[  370.552590]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  370.558116]  ? put_timespec64+0x10f/0x1b0
[  370.562264]  ? nsecs_to_jiffies+0x30/0x30
[  370.566409]  ? trace_hardirqs_off_caller+0x310/0x310
[  370.571505]  ? __x64_sys_bpf+0x73/0xb0
[  370.575518]  ? do_syscall_64+0x1b9/0x820
[  370.579569]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  370.584920]  ? syscall_return_slowpath+0x5e0/0x5e0
[  370.589835]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  370.594671]  ? trace_hardirqs_on_caller+0x310/0x310
[  370.599675]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  370.604680]  ? prepare_exit_to_usermode+0x291/0x3b0
[  370.609691]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  370.614543]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  370.619912] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #181
[  370.619984] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  370.626755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  370.626760] Call Trace:
[  370.626777]  dump_stack+0x244/0x39d
[  370.626795]  ? dump_stack_print_info.cold.1+0x20/0x20
[  370.633334] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  370.642595]  warn_alloc.cold.116+0xb7/0x1bd
[  370.645145] syz-executor0 cpuset=syz0 mems_allowed=0
[  370.648753]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  370.678604]  ? lock_downgrade+0x900/0x900
[  370.682747]  ? trace_hardirqs_off+0xb8/0x310
[  370.687153]  ? trace_hardirqs_off+0xb8/0x310
[  370.691552]  __alloc_pages_slowpath+0x2651/0x2de0
[  370.696410]  ? warn_alloc+0x120/0x120
[  370.700221]  ? print_usage_bug+0xc0/0xc0
[  370.704271]  ? warn_alloc+0x120/0x120
[  370.708066]  ? warn_alloc+0x120/0x120
[  370.711853]  ? print_usage_bug+0xc0/0xc0
[  370.715906]  ? print_usage_bug+0xc0/0xc0
[  370.719954]  ? __lock_acquire+0x62f/0x4c20
[  370.724284]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  370.729812]  ? should_fail+0x22d/0xd01
[  370.733693]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  370.738793]  ? __lock_acquire+0x62f/0x4c20
[  370.743028]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  370.748117]  ? __lock_acquire+0x62f/0x4c20
[  370.752340]  ? should_fail+0x22d/0xd01
[  370.756214]  ? find_held_lock+0x36/0x1c0
[  370.760270]  ? mark_held_locks+0x130/0x130
[  370.764496]  ? mark_held_locks+0x130/0x130
[  370.768716]  ? zap_class+0x640/0x640
[  370.772420]  ? mark_held_locks+0xc7/0x130
[  370.776553]  ? do_raw_spin_unlock+0xa7/0x330
[  370.780951]  ? zap_class+0x640/0x640
[  370.784650]  ? print_usage_bug+0xc0/0xc0
[  370.788707]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.794234]  ? check_preemption_disabled+0x48/0x280
[  370.799242]  ? __lock_is_held+0xb5/0x140
[  370.803304]  __alloc_pages_nodemask+0xad8/0xea0
[  370.807963]  ? zap_class+0x640/0x640
[  370.811671]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  370.816685]  ? find_held_lock+0x36/0x1c0
[  370.820747]  ? ____cache_alloc_node+0x1c7/0x1e0
[  370.825407]  ? lock_downgrade+0x900/0x900
[  370.829553]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.835087]  cache_grow_begin+0xa5/0x8c0
[  370.839154]  ? do_raw_spin_unlock+0xa7/0x330
[  370.843556]  fallback_alloc+0x204/0x2e0
[  370.847522]  ____cache_alloc_node+0x1c7/0x1e0
[  370.852009]  kmem_cache_alloc_node+0xe3/0x730
[  370.856496]  ? ipv6_get_ifaddr+0x42e/0x620
[  370.860729]  __alloc_skb+0x119/0x770
[  370.864430]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  370.869713]  ? netdev_alloc_frag+0x1f0/0x1f0
[  370.874119]  ? lock_downgrade+0x900/0x900
[  370.878268]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.883795]  ? refcount_sub_and_test_checked+0x203/0x310
[  370.889239]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  370.894684]  ? addrconf_rs_timer+0x690/0x690
[  370.899097]  ndisc_alloc_skb+0x144/0x340
[  370.903178]  ndisc_send_rs+0x331/0x6e0
[  370.907066]  addrconf_rs_timer+0x314/0x690
[  370.911295]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.915525]  call_timer_fn+0x272/0x920
[  370.919404]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.923630]  ? process_timeout+0x40/0x40
[  370.927688]  ? __run_timers+0x7da/0xc70
[  370.931651]  ? _raw_spin_unlock_irq+0x27/0x80
[  370.936137]  ? _raw_spin_unlock_irq+0x27/0x80
[  370.940621]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.944842]  ? lockdep_hardirqs_on+0x296/0x5b0
[  370.949411]  ? trace_hardirqs_on+0xbd/0x310
[  370.953719]  ? kasan_check_read+0x11/0x20
[  370.957854]  ? __run_timers+0x7da/0xc70
[  370.961815]  ? trace_hardirqs_off_caller+0x310/0x310
[  370.966911]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.971142]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.975370]  __run_timers+0x7e5/0xc70
[  370.979166]  ? timer_fixup_init+0x70/0x70
[  370.983305]  ? _raw_spin_unlock_irq+0x27/0x80
[  370.987787]  ? _raw_spin_unlock_irq+0x27/0x80
[  370.992276]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  370.996846]  ? trace_hardirqs_on+0xbd/0x310
[  371.001151]  ? kasan_check_read+0x11/0x20
[  371.005305]  ? finish_task_switch+0x1f4/0x910
[  371.009787]  ? trace_hardirqs_off_caller+0x310/0x310
[  371.014879]  ? compat_start_thread+0x80/0x80
[  371.019314]  ? pvclock_read_flags+0x160/0x160
[  371.023794]  ? __switch_to_asm+0x34/0x70
[  371.027844]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.033375]  ? check_preemption_disabled+0x48/0x280
[  371.038394]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  371.043939]  ? rcu_pm_notify+0xc0/0xc0
[  371.047824]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.053351]  ? check_preemption_disabled+0x48/0x280
[  371.058371]  run_timer_softirq+0x52/0xb0
[  371.062420]  ? rcu_read_lock_sched_held+0x14f/0x180
[  371.067441]  __do_softirq+0x308/0xb7e
[  371.071231]  ? retint_kernel+0x2d/0x2d
[  371.075113]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  371.080227]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  371.085662]  ? rcu_irq_enter+0x18c/0x310
[  371.089716]  ? schedule+0x108/0x460
[  371.093328]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  371.098081]  ? trace_hardirqs_off+0xb8/0x310
[  371.102486]  ? smpboot_thread_fn+0x68b/0xa00
[  371.106885]  ? trace_hardirqs_on+0x310/0x310
[  371.111282]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  371.116836]  ? check_preemption_disabled+0x48/0x280
[  371.121841]  ? takeover_tasklets+0xa90/0xa90
[  371.126234]  run_ksoftirqd+0x5e/0x100
[  371.130025]  smpboot_thread_fn+0x68b/0xa00
[  371.134250]  ? sort_range+0x30/0x30
[  371.137868]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  371.142960]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  371.148487]  ? __kthread_parkme+0xfb/0x1a0
[  371.152711]  ? sort_range+0x30/0x30
[  371.156324]  kthread+0x35a/0x440
[  371.159684]  ? kthread_stop+0x900/0x900
[  371.163776]  ret_from_fork+0x3a/0x50
[  371.167490] CPU: 1 PID: 16176 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #181
[  371.167494] warn_alloc_show_mem: 1 callbacks suppressed
[  371.167499] Mem-Info:
[  371.174868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  371.180223] active_anon:54949 inactive_anon:10067 isolated_anon:0
[  371.180223]  active_file:12 inactive_file:12 isolated_file:0
[  371.180223]  unevictable:0 dirty:0 writeback:0 unstable:0
[  371.180223]  slab_reclaimable:9454 slab_unreclaimable:1442611
[  371.180223]  mapped:40962 shmem:10230 pagetables:596 bounce:0
[  371.180223]  free:13765 free_pcp:525 free_cma:0
[  371.182587] Call Trace:
[  371.191949] Node 0 active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:40920kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 202752kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  371.225132]  <IRQ>
[  371.227691] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  371.255520]  dump_stack+0x244/0x39d
[  371.257638] lowmem_reserve[]: 0 2818 6321 6321
[  371.283729]  ? dump_stack_print_info.cold.1+0x20/0x20
[  371.287318] Node 0 DMA32 free:25248kB 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:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  371.291887]  warn_alloc.cold.116+0xb7/0x1bd
[  371.297030] lowmem_reserve[]: 0 0 3503 3503
[  371.324525]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  371.328813] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2384kB bounce:0kB free_pcp:1852kB local_pcp:1500kB free_cma:0kB
[  371.333125]  ? lock_downgrade+0x900/0x900
[  371.337933] lowmem_reserve[]: 0 0 0 0
[  371.367153]  ? trace_hardirqs_off+0xb8/0x310
[  371.371262] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  371.375050]  ? trace_hardirqs_off+0xb8/0x310
[  371.379422] Node 0 DMA32: 4*4kB (UM) 0*8kB 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB
[  371.392934]  __alloc_pages_slowpath+0x2651/0x2de0
[  371.397303] Node 0 Normal: 1308*4kB (ME) 392*8kB (UME) 140*16kB (ME) 47*32kB (ME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  371.412215]  ? warn_alloc+0x120/0x120
[  371.417013] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  371.431649]  ? print_usage_bug+0xc0/0xc0
[  371.435423] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  371.444234]  ? warn_alloc+0x120/0x120
[  371.448261] 10254 total pagecache pages
[  371.456900]  ? warn_alloc+0x120/0x120
[  371.460673] 0 pages in swap cache
[  371.464622]  ? print_usage_bug+0xc0/0xc0
[  371.468403] Swap cache stats: add 0, delete 0, find 0/0
[  371.471839]  ? print_usage_bug+0xc0/0xc0
[  371.475862] Free swap  = 0kB
[  371.481291]  ? __lock_acquire+0x62f/0x4c20
[  371.485419] Total swap = 0kB
[  371.488433]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  371.492632] 1965979 pages RAM
[  371.495630]  ? should_fail+0x22d/0xd01
[  371.501128] 0 pages HighMem/MovableOnly
[  371.501134] 342853 pages reserved
[  371.504222]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  371.508158] 0 pages cma reserved
[  371.508225] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  371.512124]  ? __lock_acquire+0x62f/0x4c20
[  371.515616] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  371.520636]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  371.523970] ksoftirqd/0 cpuset=/ mems_allowed=0
[  371.530456]  ? __lock_acquire+0x62f/0x4c20
[  371.530470]  ? should_fail+0x22d/0xd01
[  371.562787]  ? mark_held_locks+0x130/0x130
[  371.567014]  ? mark_held_locks+0x130/0x130
[  371.571237]  ? zap_class+0x640/0x640
[  371.574975]  ? zap_class+0x640/0x640
[  371.578690]  ? print_usage_bug+0xc0/0xc0
[  371.582735]  ? wq_watchdog_touch+0x9c/0xfe
[  371.586968]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.592492]  ? check_preemption_disabled+0x48/0x280
[  371.597504]  ? __lock_is_held+0xb5/0x140
[  371.601555]  __alloc_pages_nodemask+0xad8/0xea0
[  371.606229]  ? zap_class+0x640/0x640
[  371.609936]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  371.614947]  ? find_held_lock+0x36/0x1c0
[  371.619003]  ? ____cache_alloc_node+0x1c7/0x1e0
[  371.623659]  ? lock_downgrade+0x900/0x900
[  371.627806]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.633335]  cache_grow_begin+0xa5/0x8c0
[  371.637398]  ? do_raw_spin_unlock+0xa7/0x330
[  371.641800]  fallback_alloc+0x204/0x2e0
[  371.645769]  ____cache_alloc_node+0x1c7/0x1e0
[  371.650254]  kmem_cache_alloc_node+0xe3/0x730
[  371.654738]  ? ipv6_get_ifaddr+0x42e/0x620
[  371.658986]  __alloc_skb+0x119/0x770
[  371.662687]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  371.667953]  ? netdev_alloc_frag+0x1f0/0x1f0
[  371.672346]  ? lock_downgrade+0x900/0x900
[  371.676486]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.682023]  ? refcount_sub_and_test_checked+0x203/0x310
[  371.687463]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  371.692902]  ? addrconf_rs_timer+0x690/0x690
[  371.697322]  ndisc_alloc_skb+0x144/0x340
[  371.701373]  ndisc_send_rs+0x331/0x6e0
[  371.705252]  addrconf_rs_timer+0x314/0x690
[  371.709481]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  371.713714]  call_timer_fn+0x272/0x920
[  371.717678]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  371.721910]  ? process_timeout+0x40/0x40
[  371.725969]  ? __run_timers+0x7da/0xc70
[  371.729932]  ? _raw_spin_unlock_irq+0x27/0x80
[  371.734417]  ? _raw_spin_unlock_irq+0x27/0x80
[  371.738899]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  371.743121]  ? lockdep_hardirqs_on+0x296/0x5b0
[  371.747692]  ? trace_hardirqs_on+0xbd/0x310
[  371.752012]  ? kasan_check_read+0x11/0x20
[  371.756148]  ? __run_timers+0x7da/0xc70
[  371.760107]  ? trace_hardirqs_off_caller+0x310/0x310
[  371.765213]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  371.769450]  __run_timers+0x7e5/0xc70
[  371.773247]  ? timer_fixup_init+0x70/0x70
[  371.777385]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  371.782392]  ? zap_class+0x640/0x640
[  371.786101]  ? enqueue_hrtimer+0x1a5/0x560
[  371.790426]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  371.795606]  ? find_held_lock+0x36/0x1c0
[  371.799659]  ? zap_class+0x640/0x640
[  371.803367]  ? pvclock_read_flags+0x160/0x160
[  371.807873]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.813400]  ? check_preemption_disabled+0x48/0x280
[  371.818535]  ? __lock_is_held+0xb5/0x140
[  371.822585]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.828118]  ? check_preemption_disabled+0x48/0x280
[  371.833141]  run_timer_softirq+0x52/0xb0
[  371.837196]  ? rcu_read_lock_sched_held+0x14f/0x180
[  371.842207]  __do_softirq+0x308/0xb7e
[  371.846110]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  371.850596]  ? lock_downgrade+0x900/0x900
[  371.854736]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  371.859835]  ? pvclock_read_flags+0x160/0x160
[  371.864334]  ? lapic_next_event+0x5a/0x90
[  371.868470]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.873999]  ? kvm_clock_read+0x18/0x30
[  371.877962]  ? kvm_sched_clock_read+0x9/0x20
[  371.882378]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.887904]  ? check_preemption_disabled+0x48/0x280
[  371.892919]  irq_exit+0x17f/0x1c0
[  371.896364]  smp_apic_timer_interrupt+0x1cb/0x760
[  371.901211]  ? smp_reschedule_interrupt+0x109/0x650
[  371.906220]  ? smp_call_function_single_interrupt+0x650/0x650
[  371.912090]  ? interrupt_entry+0xb5/0xc0
[  371.916140]  ? trace_hardirqs_off_caller+0xbb/0x310
[  371.921142]  ? trace_hardirqs_off_caller+0xbb/0x310
[  371.926146]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  371.930985]  ? trace_hardirqs_on_caller+0x310/0x310
[  371.935989]  ? trace_hardirqs_on_caller+0x310/0x310
[  371.940993]  ? task_prio+0x50/0x50
[  371.944521]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.950054]  ? check_preemption_disabled+0x48/0x280
[  371.955076]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  371.959930]  apic_timer_interrupt+0xf/0x20
[  371.964150]  </IRQ>
[  371.966379] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  371.972262] Code: 3e 7e 0f 85 32 ff ff ff e8 03 6a 3d ff e9 28 ff ff ff e8 4a 99 c2 ff 48 83 3d c2 ed 8e 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 ca 05
[  371.991201] RSP: 0018:ffff888198b071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  371.998899] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  372.006154] RDX: 0000000000000000 RSI: ffff8881bbc289c0 RDI: 0000000000000286
[  372.013407] RBP: ffff888198b07250 R08: ffff8881bbc28140 R09: 0000000000000000
[  372.020661] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800940
[  372.027915] R13: ffff8881da800940 R14: 0000000000000000 R15: 0000000000000286
[  372.035196]  ? save_stack+0xa9/0xd0
[  372.038823]  __kmalloc_node_track_caller+0x3c/0x70
[  372.043763]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  372.048517]  pskb_expand_head+0x230/0x10f0
[  372.052745]  ? memcpy+0x45/0x50
[  372.056013]  ? __copy_skb_header+0x350/0x6b0
[  372.060415]  ? skb_release_data+0x9a0/0x9a0
[  372.064737]  ? __alloc_skb+0x770/0x770
[  372.068617]  ? __lock_is_held+0xb5/0x140
[  372.072759]  ? kasan_check_write+0x14/0x20
[  372.076986]  ? __skb_clone+0x6c7/0xa00
[  372.080865]  ? __copy_skb_header+0x6b0/0x6b0
[  372.085261]  ? kmem_cache_alloc+0x33a/0x730
[  372.089582]  skb_ensure_writable+0x3dd/0x640
[  372.093989]  ? skb_checksum_setup+0xaa0/0xaa0
[  372.098471]  ? check_preemption_disabled+0x48/0x280
[  372.103478]  ? __this_cpu_preempt_check+0x1c/0x20
[  372.108309]  ? __bpf_redirect+0x55b/0xb60
[  372.112447]  bpf_clone_redirect+0x14a/0x490
[  372.116762]  bpf_prog_88483476fbe68a28+0x6f0/0x1000
[  372.121771]  ? __sched_text_start+0x8/0x8
[  372.125917]  ? find_held_lock+0x36/0x1c0
[  372.129970]  ? lock_acquire+0x1ed/0x520
[  372.133933]  ? bpf_test_run+0x3ee/0x7a0
[  372.137892]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.143453]  ? check_preemption_disabled+0x48/0x280
[  372.148549]  ? kasan_check_read+0x11/0x20
[  372.152688]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  372.157953]  ? rcu_softirq_qs+0x20/0x20
[  372.161922]  ? preempt_schedule+0x4d/0x60
[  372.166058]  ? ___preempt_schedule+0x16/0x18
[  372.170469]  ? bpf_test_run+0x271/0x7a0
[  372.174442]  ? netlink_diag_dump+0x2a0/0x2a0
[  372.178861]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  372.184384]  ? bpf_test_init.isra.10+0x70/0x100
[  372.189046]  ? bpf_prog_test_run_skb+0x762/0xd90
[  372.193801]  ? bpf_test_finish.isra.9+0x260/0x260
[  372.198636]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  372.204172]  ? fput+0x130/0x1a0
[  372.207443]  ? __bpf_prog_get+0x9b/0x290
[  372.211496]  ? bpf_test_finish.isra.9+0x260/0x260
[  372.216335]  ? __do_sys_bpf+0x1898/0x4570
[  372.220474]  ? bpf_prog_load+0x1db0/0x1db0
[  372.224699]  ? find_held_lock+0x36/0x1c0
[  372.228755]  ? __might_fault+0x12b/0x1e0
[  372.232808]  ? lock_downgrade+0x900/0x900
[  372.236948]  ? lock_release+0xa00/0xa00
[  372.240908]  ? perf_trace_sched_process_exec+0x860/0x860
[  372.246341]  ? posix_ktime_get_ts+0x15/0x20
[  372.250648]  ? trace_hardirqs_off_caller+0x310/0x310
[  372.255751]  ? kasan_check_read+0x11/0x20
[  372.259886]  ? _copy_to_user+0xc8/0x110
[  372.263852]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  372.269381]  ? put_timespec64+0x10f/0x1b0
[  372.273514]  ? nsecs_to_jiffies+0x30/0x30
[  372.277659]  ? trace_hardirqs_off_caller+0x310/0x310
[  372.282753]  ? __x64_sys_bpf+0x73/0xb0
[  372.286634]  ? do_syscall_64+0x1b9/0x820
[  372.290682]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  372.296039]  ? syscall_return_slowpath+0x5e0/0x5e0
[  372.300953]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  372.305786]  ? trace_hardirqs_on_caller+0x310/0x310
[  372.310794]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  372.316073]  ? prepare_exit_to_usermode+0x291/0x3b0
[  372.321080]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  372.325917]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  372.331282] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #181
[  372.331347] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  372.338109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  372.338114] Call Trace:
[  372.338129]  dump_stack+0x244/0x39d
[  372.338146]  ? dump_stack_print_info.cold.1+0x20/0x20
[  372.344679] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  372.353951]  warn_alloc.cold.116+0xb7/0x1bd
[  372.356496] syz-executor0 cpuset=syz0 mems_allowed=0
[  372.360101]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  372.389924]  ? lock_downgrade+0x900/0x900
[  372.394064]  ? trace_hardirqs_off+0xb8/0x310
[  372.398463]  ? trace_hardirqs_off+0xb8/0x310
[  372.402867]  __alloc_pages_slowpath+0x2651/0x2de0
[  372.407716]  ? warn_alloc+0x120/0x120
[  372.411509]  ? print_usage_bug+0xc0/0xc0
[  372.415560]  ? warn_alloc+0x120/0x120
[  372.419352]  ? warn_alloc+0x120/0x120
[  372.423143]  ? print_usage_bug+0xc0/0xc0
[  372.427200]  ? print_usage_bug+0xc0/0xc0
[  372.431248]  ? __lock_acquire+0x62f/0x4c20
[  372.435478]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  372.441015]  ? should_fail+0x22d/0xd01
[  372.444906]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  372.449993]  ? __lock_acquire+0x62f/0x4c20
[  372.454221]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  372.459330]  ? __lock_acquire+0x62f/0x4c20
[  372.463552]  ? should_fail+0x22d/0xd01
[  372.467428]  ? find_held_lock+0x36/0x1c0
[  372.471483]  ? mark_held_locks+0x130/0x130
[  372.475711]  ? mark_held_locks+0x130/0x130
[  372.479936]  ? zap_class+0x640/0x640
[  372.483833]  ? mark_held_locks+0xc7/0x130
[  372.487969]  ? do_raw_spin_unlock+0xa7/0x330
[  372.492370]  ? zap_class+0x640/0x640
[  372.496074]  ? print_usage_bug+0xc0/0xc0
[  372.500125]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.505653]  ? check_preemption_disabled+0x48/0x280
[  372.510663]  ? __lock_is_held+0xb5/0x140
[  372.514720]  __alloc_pages_nodemask+0xad8/0xea0
[  372.519481]  ? zap_class+0x640/0x640
[  372.523186]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  372.528198]  ? find_held_lock+0x36/0x1c0
[  372.532265]  ? ____cache_alloc_node+0x1c7/0x1e0
[  372.536926]  ? lock_downgrade+0x900/0x900
[  372.541069]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.546595]  cache_grow_begin+0xa5/0x8c0
[  372.550646]  ? do_raw_spin_unlock+0xa7/0x330
[  372.555045]  fallback_alloc+0x204/0x2e0
[  372.559017]  ____cache_alloc_node+0x1c7/0x1e0
[  372.563511]  kmem_cache_alloc_node+0xe3/0x730
[  372.568002]  ? ipv6_get_ifaddr+0x42e/0x620
[  372.572233]  __alloc_skb+0x119/0x770
[  372.575945]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  372.581208]  ? netdev_alloc_frag+0x1f0/0x1f0
[  372.585599]  ? lock_downgrade+0x900/0x900
[  372.589756]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.595283]  ? refcount_sub_and_test_checked+0x203/0x310
[  372.600726]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  372.606165]  ? addrconf_rs_timer+0x690/0x690
[  372.610567]  ndisc_alloc_skb+0x144/0x340
[  372.614616]  ndisc_send_rs+0x331/0x6e0
[  372.618498]  addrconf_rs_timer+0x314/0x690
[  372.622722]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.626949]  call_timer_fn+0x272/0x920
[  372.630820]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.635039]  ? process_timeout+0x40/0x40
[  372.639090]  ? __run_timers+0x7da/0xc70
[  372.643052]  ? _raw_spin_unlock_irq+0x27/0x80
[  372.647535]  ? _raw_spin_unlock_irq+0x27/0x80
[  372.652015]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.656235]  ? lockdep_hardirqs_on+0x296/0x5b0
[  372.660808]  ? trace_hardirqs_on+0xbd/0x310
[  372.665116]  ? kasan_check_read+0x11/0x20
[  372.669251]  ? __run_timers+0x7da/0xc70
[  372.673216]  ? trace_hardirqs_off_caller+0x310/0x310
[  372.678313]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.682541]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.686760]  __run_timers+0x7e5/0xc70
[  372.690563]  ? timer_fixup_init+0x70/0x70
[  372.694697]  ? _raw_spin_unlock_irq+0x27/0x80
[  372.699175]  ? _raw_spin_unlock_irq+0x27/0x80
[  372.703658]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  372.708228]  ? trace_hardirqs_on+0xbd/0x310
[  372.712543]  ? kasan_check_read+0x11/0x20
[  372.716677]  ? finish_task_switch+0x1f4/0x910
[  372.721161]  ? trace_hardirqs_off_caller+0x310/0x310
[  372.726251]  ? compat_start_thread+0x80/0x80
[  372.730662]  ? pvclock_read_flags+0x160/0x160
[  372.735145]  ? __switch_to_asm+0x34/0x70
[  372.739218]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.744751]  ? check_preemption_disabled+0x48/0x280
[  372.749766]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  372.755289]  ? rcu_pm_notify+0xc0/0xc0
[  372.759164]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.764688]  ? check_preemption_disabled+0x48/0x280
[  372.769695]  run_timer_softirq+0x52/0xb0
[  372.773745]  ? rcu_read_lock_sched_held+0x14f/0x180
[  372.778754]  __do_softirq+0x308/0xb7e
[  372.782547]  ? retint_kernel+0x2d/0x2d
[  372.786424]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  372.791527]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  372.796982]  ? rcu_irq_enter+0x18c/0x310
[  372.801032]  ? schedule+0x108/0x460
[  372.804648]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  372.809396]  ? trace_hardirqs_off+0xb8/0x310
[  372.813794]  ? smpboot_thread_fn+0x68b/0xa00
[  372.818187]  ? trace_hardirqs_on+0x310/0x310
[  372.822584]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  372.828118]  ? check_preemption_disabled+0x48/0x280
[  372.833122]  ? takeover_tasklets+0xa90/0xa90
[  372.837522]  run_ksoftirqd+0x5e/0x100
[  372.841325]  smpboot_thread_fn+0x68b/0xa00
[  372.845566]  ? sort_range+0x30/0x30
[  372.849189]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  372.854277]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  372.859800]  ? __kthread_parkme+0xfb/0x1a0
[  372.864023]  ? sort_range+0x30/0x30
[  372.867634]  kthread+0x35a/0x440
[  372.870990]  ? kthread_stop+0x900/0x900
[  372.874954]  ret_from_fork+0x3a/0x50
[  372.878683] CPU: 1 PID: 16176 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #181
[  372.878687] warn_alloc_show_mem: 1 callbacks suppressed
[  372.878693] Mem-Info:
[  372.886040] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  372.891395] active_anon:54949 inactive_anon:10067 isolated_anon:0
[  372.891395]  active_file:12 inactive_file:12 isolated_file:0
[  372.891395]  unevictable:0 dirty:0 writeback:0 unstable:0
[  372.891395]  slab_reclaimable:9454 slab_unreclaimable:1442611
[  372.891395]  mapped:40962 shmem:10230 pagetables:596 bounce:0
[  372.891395]  free:13765 free_pcp:525 free_cma:0
[  372.893760] Call Trace:
[  372.903124] Node 0 active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:40920kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 202752kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  372.937115]  <IRQ>
[  372.939677] 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
[  372.967505]  dump_stack+0x244/0x39d
[  372.969621] lowmem_reserve[]: 0 2818 6321 6321
[  372.995711]  ? dump_stack_print_info.cold.1+0x20/0x20
[  372.999302] Node 0 DMA32 free:25248kB 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:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  373.003881]  warn_alloc.cold.116+0xb7/0x1bd
[  373.009026] lowmem_reserve[]: 0 0 3503 3503
[  373.036334]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  373.040622] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2384kB bounce:0kB free_pcp:1852kB local_pcp:1500kB free_cma:0kB
[  373.044929]  ? lock_downgrade+0x900/0x900
[  373.049734] lowmem_reserve[]: 0 0 0 0
[  373.078950]  ? trace_hardirqs_off+0xb8/0x310
[  373.083068] 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
[  373.086851]  ? trace_hardirqs_off+0xb8/0x310
[  373.091224] Node 0 DMA32: 4*4kB (UM) 0*8kB 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB
[  373.104734]  __alloc_pages_slowpath+0x2651/0x2de0
[  373.109104] Node 0 Normal: 1308*4kB (ME) 392*8kB (UME) 140*16kB (ME) 47*32kB (ME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  373.124015]  ? warn_alloc+0x120/0x120
[  373.128811] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  373.143434]  ? print_usage_bug+0xc0/0xc0
[  373.147226] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  373.156046]  ? warn_alloc+0x120/0x120
[  373.160074] 10254 total pagecache pages
[  373.168632]  ? warn_alloc+0x120/0x120
[  373.172416] 0 pages in swap cache
[  373.176365]  ? print_usage_bug+0xc0/0xc0
[  373.180135] Swap cache stats: add 0, delete 0, find 0/0
[  373.183567]  ? kvm_clock_read+0x18/0x30
[  373.187592] Free swap  = 0kB
[  373.192933]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  373.196896] Total swap = 0kB
[  373.199898]  ? print_usage_bug+0xc0/0xc0
[  373.204883] 1965979 pages RAM
[  373.207882]  ? __lock_acquire+0x62f/0x4c20
[  373.211906] 0 pages HighMem/MovableOnly
[  373.214994]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  373.219195] 342853 pages reserved
[  373.223153]  ? should_fail+0x22d/0xd01
[  373.228665] 0 pages cma reserved
[  373.232096]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  373.236039] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  373.239300]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  373.244613] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  373.251015]  ? __lock_acquire+0x62f/0x4c20
[  373.256095] ksoftirqd/0 cpuset=/ mems_allowed=0
[  373.266388]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  373.280317]  ? __lock_acquire+0x62f/0x4c20
[  373.284535]  ? should_fail+0x22d/0xd01
[  373.288407]  ? rcu_irq_exit+0x1a2/0x390
[  373.292372]  ? mark_held_locks+0x130/0x130
[  373.296598]  ? mark_held_locks+0x130/0x130
[  373.300823]  ? mark_held_locks+0xc7/0x130
[  373.304962]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  373.309968]  ? zap_class+0x640/0x640
[  373.313666]  ? print_usage_bug+0xc0/0xc0
[  373.317819]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.323345]  ? check_preemption_disabled+0x48/0x280
[  373.328358]  ? __lock_is_held+0xb5/0x140
[  373.332413]  __alloc_pages_nodemask+0xad8/0xea0
[  373.337069]  ? zap_class+0x640/0x640
[  373.340773]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  373.345789]  ? find_held_lock+0x36/0x1c0
[  373.349846]  ? ____cache_alloc_node+0x1c7/0x1e0
[  373.354502]  ? lock_downgrade+0x900/0x900
[  373.358647]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.364186]  cache_grow_begin+0xa5/0x8c0
[  373.368237]  ? do_raw_spin_unlock+0xa7/0x330
[  373.372643]  fallback_alloc+0x204/0x2e0
[  373.376608]  ____cache_alloc_node+0x1c7/0x1e0
[  373.381099]  kmem_cache_alloc_node+0xe3/0x730
[  373.385581]  ? ipv6_get_ifaddr+0x42e/0x620
[  373.389812]  __alloc_skb+0x119/0x770
[  373.393517]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  373.398783]  ? netdev_alloc_frag+0x1f0/0x1f0
[  373.403180]  ? lock_downgrade+0x900/0x900
[  373.407319]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.412850]  ? refcount_sub_and_test_checked+0x203/0x310
[  373.418293]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  373.423730]  ? addrconf_rs_timer+0x690/0x690
[  373.428138]  ndisc_alloc_skb+0x144/0x340
[  373.432188]  ndisc_send_rs+0x331/0x6e0
[  373.436066]  addrconf_rs_timer+0x314/0x690
[  373.440294]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  373.444522]  call_timer_fn+0x272/0x920
[  373.448398]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  373.452643]  ? process_timeout+0x40/0x40
[  373.456700]  ? __run_timers+0x7da/0xc70
[  373.460662]  ? _raw_spin_unlock_irq+0x27/0x80
[  373.465143]  ? _raw_spin_unlock_irq+0x27/0x80
[  373.469621]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  373.473843]  ? lockdep_hardirqs_on+0x296/0x5b0
[  373.478413]  ? trace_hardirqs_on+0xbd/0x310
[  373.482720]  ? kasan_check_read+0x11/0x20
[  373.486853]  ? __run_timers+0x7da/0xc70
[  373.490817]  ? trace_hardirqs_off_caller+0x310/0x310
[  373.495915]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  373.500146]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  373.504366]  __run_timers+0x7e5/0xc70
[  373.508170]  ? timer_fixup_init+0x70/0x70
[  373.512305]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  373.517307]  ? zap_class+0x640/0x640
[  373.521097]  ? enqueue_hrtimer+0x1a5/0x560
[  373.525323]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  373.530504]  ? find_held_lock+0x36/0x1c0
[  373.534557]  ? zap_class+0x640/0x640
[  373.538273]  ? pvclock_read_flags+0x160/0x160
[  373.542760]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.548288]  ? check_preemption_disabled+0x48/0x280
[  373.553302]  ? __lock_is_held+0xb5/0x140
[  373.557349]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.562891]  ? check_preemption_disabled+0x48/0x280
[  373.567899]  run_timer_softirq+0x52/0xb0
[  373.571956]  ? rcu_read_lock_sched_held+0x14f/0x180
[  373.576960]  __do_softirq+0x308/0xb7e
[  373.580751]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  373.585234]  ? lock_downgrade+0x900/0x900
[  373.589372]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  373.594467]  ? pvclock_read_flags+0x160/0x160
[  373.598954]  ? lapic_next_event+0x5a/0x90
[  373.603091]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.608616]  ? kvm_clock_read+0x18/0x30
[  373.612575]  ? kvm_sched_clock_read+0x9/0x20
[  373.616972]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.622517]  ? check_preemption_disabled+0x48/0x280
[  373.627526]  irq_exit+0x17f/0x1c0
[  373.630970]  smp_apic_timer_interrupt+0x1cb/0x760
[  373.635797]  ? smp_reschedule_interrupt+0x109/0x650
[  373.640802]  ? smp_call_function_single_interrupt+0x650/0x650
[  373.646675]  ? interrupt_entry+0xb5/0xc0
[  373.650721]  ? trace_hardirqs_off_caller+0xbb/0x310
[  373.655725]  ? trace_hardirqs_off_caller+0xbb/0x310
[  373.660729]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  373.665558]  ? trace_hardirqs_on_caller+0x310/0x310
[  373.670562]  ? trace_hardirqs_on_caller+0x310/0x310
[  373.675563]  ? task_prio+0x50/0x50
[  373.679090]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.684616]  ? check_preemption_disabled+0x48/0x280
[  373.689619]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  373.694456]  apic_timer_interrupt+0xf/0x20
[  373.698688]  </IRQ>
[  373.700922] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  373.706794] Code: 3e 7e 0f 85 32 ff ff ff e8 03 6a 3d ff e9 28 ff ff ff e8 4a 99 c2 ff 48 83 3d c2 ed 8e 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 ca 05
[  373.725689] RSP: 0018:ffff888198b071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  373.733386] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  373.740640] RDX: 0000000000000000 RSI: ffff8881bbc289c0 RDI: 0000000000000286
[  373.747895] RBP: ffff888198b07250 R08: ffff8881bbc28140 R09: 0000000000000000
[  373.755153] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800940
[  373.762410] R13: ffff8881da800940 R14: 0000000000000000 R15: 0000000000000286
[  373.769693]  ? save_stack+0xa9/0xd0
[  373.773355]  __kmalloc_node_track_caller+0x3c/0x70
[  373.778275]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  373.783028]  pskb_expand_head+0x230/0x10f0
[  373.787261]  ? memcpy+0x45/0x50
[  373.790535]  ? __copy_skb_header+0x350/0x6b0
[  373.794947]  ? skb_release_data+0x9a0/0x9a0
[  373.799265]  ? __alloc_skb+0x770/0x770
[  373.803144]  ? __lock_is_held+0xb5/0x140
[  373.807198]  ? kasan_check_write+0x14/0x20
[  373.811420]  ? __skb_clone+0x6c7/0xa00
[  373.815300]  ? __copy_skb_header+0x6b0/0x6b0
[  373.819701]  ? kmem_cache_alloc+0x33a/0x730
[  373.824017]  skb_ensure_writable+0x3dd/0x640
[  373.828420]  ? skb_checksum_setup+0xaa0/0xaa0
[  373.832912]  ? check_preemption_disabled+0x48/0x280
[  373.837939]  ? __this_cpu_preempt_check+0x1c/0x20
[  373.842767]  ? __bpf_redirect+0x55b/0xb60
[  373.846913]  bpf_clone_redirect+0x14a/0x490
[  373.851228]  bpf_prog_88483476fbe68a28+0x6f0/0x1000
[  373.856234]  ? __sched_text_start+0x8/0x8
[  373.860377]  ? find_held_lock+0x36/0x1c0
[  373.864428]  ? lock_acquire+0x1ed/0x520
[  373.868392]  ? bpf_test_run+0x3ee/0x7a0
[  373.872357]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.877878]  ? check_preemption_disabled+0x48/0x280
[  373.882908]  ? kasan_check_read+0x11/0x20
[  373.887042]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  373.892306]  ? rcu_softirq_qs+0x20/0x20
[  373.896271]  ? preempt_schedule+0x4d/0x60
[  373.900412]  ? ___preempt_schedule+0x16/0x18
[  373.904826]  ? bpf_test_run+0x271/0x7a0
[  373.908797]  ? netlink_diag_dump+0x2a0/0x2a0
[  373.913198]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  373.918721]  ? bpf_test_init.isra.10+0x70/0x100
[  373.923389]  ? bpf_prog_test_run_skb+0x762/0xd90
[  373.928136]  ? bpf_test_finish.isra.9+0x260/0x260
[  373.932976]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  373.938496]  ? fput+0x130/0x1a0
[  373.941771]  ? __bpf_prog_get+0x9b/0x290
[  373.945818]  ? bpf_test_finish.isra.9+0x260/0x260
[  373.950660]  ? __do_sys_bpf+0x1898/0x4570
[  373.954798]  ? bpf_prog_load+0x1db0/0x1db0
[  373.959023]  ? find_held_lock+0x36/0x1c0
[  373.963077]  ? __might_fault+0x12b/0x1e0
[  373.967144]  ? lock_downgrade+0x900/0x900
[  373.971283]  ? lock_release+0xa00/0xa00
[  373.975245]  ? perf_trace_sched_process_exec+0x860/0x860
[  373.980678]  ? posix_ktime_get_ts+0x15/0x20
[  373.984989]  ? trace_hardirqs_off_caller+0x310/0x310
[  373.990097]  ? kasan_check_read+0x11/0x20
[  373.994319]  ? _copy_to_user+0xc8/0x110
[  373.998287]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  374.003812]  ? put_timespec64+0x10f/0x1b0
[  374.007949]  ? nsecs_to_jiffies+0x30/0x30
[  374.012107]  ? trace_hardirqs_off_caller+0x310/0x310
[  374.017205]  ? __x64_sys_bpf+0x73/0xb0
[  374.021081]  ? do_syscall_64+0x1b9/0x820
[  374.025130]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  374.030484]  ? syscall_return_slowpath+0x5e0/0x5e0
[  374.035398]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  374.040227]  ? trace_hardirqs_on_caller+0x310/0x310
[  374.045331]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  374.050335]  ? prepare_exit_to_usermode+0x291/0x3b0
[  374.055344]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  374.060196]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  374.065576] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #181
[  374.065652] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  374.072404] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  374.072410] Call Trace:
[  374.079050] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  374.088316]  dump_stack+0x244/0x39d
[  374.090865] syz-executor0 cpuset=syz0 mems_allowed=0
[  374.101336]  ? dump_stack_print_info.cold.1+0x20/0x20
[  374.115194]  warn_alloc.cold.116+0xb7/0x1bd
[  374.119507]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  374.124362]  ? lock_downgrade+0x900/0x900
[  374.128514]  ? trace_hardirqs_off+0xb8/0x310
[  374.132913]  ? trace_hardirqs_off+0xb8/0x310
[  374.137314]  __alloc_pages_slowpath+0x2651/0x2de0
[  374.142180]  ? warn_alloc+0x120/0x120
[  374.145965]  ? print_usage_bug+0xc0/0xc0
[  374.150042]  ? warn_alloc+0x120/0x120
[  374.153837]  ? warn_alloc+0x120/0x120
[  374.157626]  ? print_usage_bug+0xc0/0xc0
[  374.161682]  ? print_usage_bug+0xc0/0xc0
[  374.165735]  ? __lock_acquire+0x62f/0x4c20
[  374.169964]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  374.175487]  ? should_fail+0x22d/0xd01
[  374.179362]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  374.184451]  ? __lock_acquire+0x62f/0x4c20
[  374.188675]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  374.193765]  ? __lock_acquire+0x62f/0x4c20
[  374.197989]  ? should_fail+0x22d/0xd01
[  374.201861]  ? find_held_lock+0x36/0x1c0
[  374.205930]  ? mark_held_locks+0x130/0x130
[  374.210281]  ? mark_held_locks+0x130/0x130
[  374.214499]  ? zap_class+0x640/0x640
[  374.218205]  ? mark_held_locks+0xc7/0x130
[  374.222348]  ? do_raw_spin_unlock+0xa7/0x330
[  374.226746]  ? zap_class+0x640/0x640
[  374.230456]  ? print_usage_bug+0xc0/0xc0
[  374.234507]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.240036]  ? check_preemption_disabled+0x48/0x280
[  374.245044]  ? __lock_is_held+0xb5/0x140
[  374.249105]  __alloc_pages_nodemask+0xad8/0xea0
[  374.253762]  ? zap_class+0x640/0x640
[  374.257467]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  374.262478]  ? find_held_lock+0x36/0x1c0
[  374.266533]  ? ____cache_alloc_node+0x1c7/0x1e0
[  374.271186]  ? lock_downgrade+0x900/0x900
[  374.275324]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.280849]  cache_grow_begin+0xa5/0x8c0
[  374.284898]  ? do_raw_spin_unlock+0xa7/0x330
[  374.289299]  fallback_alloc+0x204/0x2e0
[  374.293271]  ____cache_alloc_node+0x1c7/0x1e0
[  374.297761]  kmem_cache_alloc_node+0xe3/0x730
[  374.302253]  ? ipv6_get_ifaddr+0x42e/0x620
[  374.306482]  __alloc_skb+0x119/0x770
[  374.310179]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  374.315691]  ? netdev_alloc_frag+0x1f0/0x1f0
[  374.320090]  ? lock_downgrade+0x900/0x900
[  374.324231]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.329758]  ? refcount_sub_and_test_checked+0x203/0x310
[  374.335199]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  374.340638]  ? addrconf_rs_timer+0x690/0x690
[  374.345044]  ndisc_alloc_skb+0x144/0x340
[  374.349095]  ndisc_send_rs+0x331/0x6e0
[  374.352979]  addrconf_rs_timer+0x314/0x690
[  374.357211]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  374.361450]  call_timer_fn+0x272/0x920
[  374.365326]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  374.369548]  ? process_timeout+0x40/0x40
[  374.373607]  ? __run_timers+0x7da/0xc70
[  374.377578]  ? _raw_spin_unlock_irq+0x27/0x80
[  374.382076]  ? _raw_spin_unlock_irq+0x27/0x80
[  374.386559]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  374.390782]  ? lockdep_hardirqs_on+0x296/0x5b0
[  374.395353]  ? trace_hardirqs_on+0xbd/0x310
[  374.399662]  ? kasan_check_read+0x11/0x20
[  374.403797]  ? __run_timers+0x7da/0xc70
[  374.407760]  ? trace_hardirqs_off_caller+0x310/0x310
[  374.412853]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  374.417084]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  374.421317]  __run_timers+0x7e5/0xc70
[  374.425121]  ? timer_fixup_init+0x70/0x70
[  374.429258]  ? _raw_spin_unlock_irq+0x27/0x80
[  374.433739]  ? _raw_spin_unlock_irq+0x27/0x80
[  374.438219]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  374.442818]  ? trace_hardirqs_on+0xbd/0x310
[  374.447133]  ? kasan_check_read+0x11/0x20
[  374.451270]  ? finish_task_switch+0x1f4/0x910
[  374.455753]  ? trace_hardirqs_off_caller+0x310/0x310
[  374.460843]  ? compat_start_thread+0x80/0x80
[  374.465276]  ? pvclock_read_flags+0x160/0x160
[  374.469755]  ? __switch_to_asm+0x34/0x70
[  374.473802]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.479328]  ? check_preemption_disabled+0x48/0x280
[  374.484529]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  374.490085]  ? rcu_pm_notify+0xc0/0xc0
[  374.494063]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.499592]  ? check_preemption_disabled+0x48/0x280
[  374.504604]  run_timer_softirq+0x52/0xb0
[  374.508651]  ? rcu_read_lock_sched_held+0x14f/0x180
[  374.513655]  __do_softirq+0x308/0xb7e
[  374.517444]  ? retint_kernel+0x2d/0x2d
[  374.521323]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  374.526411]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  374.531855]  ? rcu_irq_enter+0x18c/0x310
[  374.535909]  ? schedule+0x108/0x460
[  374.539523]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  374.544273]  ? trace_hardirqs_off+0xb8/0x310
[  374.548670]  ? smpboot_thread_fn+0x68b/0xa00
[  374.553066]  ? trace_hardirqs_on+0x310/0x310
[  374.557468]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  374.562994]  ? check_preemption_disabled+0x48/0x280
[  374.568001]  ? takeover_tasklets+0xa90/0xa90
[  374.572398]  run_ksoftirqd+0x5e/0x100
[  374.576184]  smpboot_thread_fn+0x68b/0xa00
[  374.580405]  ? sort_range+0x30/0x30
[  374.584018]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  374.589113]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  374.594636]  ? __kthread_parkme+0xfb/0x1a0
[  374.598863]  ? sort_range+0x30/0x30
[  374.602476]  kthread+0x35a/0x440
[  374.605941]  ? kthread_stop+0x900/0x900
[  374.609902]  ret_from_fork+0x3a/0x50
[  374.613621] warn_alloc_show_mem: 1 callbacks suppressed
[  374.613630] CPU: 1 PID: 16176 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #181
[  374.613631] Mem-Info:
[  374.613661] active_anon:54949 inactive_anon:10067 isolated_anon:0
[  374.613661]  active_file:12 inactive_file:12 isolated_file:0
[  374.613661]  unevictable:0 dirty:0 writeback:0 unstable:0
[  374.613661]  slab_reclaimable:9454 slab_unreclaimable:1442611
[  374.613661]  mapped:40962 shmem:10230 pagetables:596 bounce:0
[  374.613661]  free:13765 free_pcp:525 free_cma:0
[  374.618988] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  374.618995] Call Trace:
[  374.626345] Node 0 active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:40920kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 202752kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  374.628735]  <IRQ>
[  374.661931] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  374.671268]  dump_stack+0x244/0x39d
[  374.673817] lowmem_reserve[]: 0 2818 6321 6321
[  374.701644]  ? dump_stack_print_info.cold.1+0x20/0x20
[  374.703761] Node 0 DMA32 free:25248kB 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:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  374.729863]  warn_alloc.cold.116+0xb7/0x1bd
[  374.733446] lowmem_reserve[]: 0 0 3503 3503
[  374.738017]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  374.743169] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2384kB bounce:0kB free_pcp:1852kB local_pcp:1500kB free_cma:0kB
[  374.770589]  ? lock_downgrade+0x900/0x900
[  374.774875] lowmem_reserve[]: 0 0 0 0
[  374.779183]  ? trace_hardirqs_off+0xb8/0x310
[  374.783989] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  374.813203]  ? trace_hardirqs_off+0xb8/0x310
[  374.817319] Node 0 DMA32: 4*4kB (UM) 0*8kB 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB
[  374.821106]  __alloc_pages_slowpath+0x2651/0x2de0
[  374.825478] Node 0 Normal: 1308*4kB (ME) 392*8kB (UME) 140*16kB (ME) 47*32kB (ME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  374.839014]  ? warn_alloc+0x120/0x120
[  374.843378] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  374.858263]  ? print_usage_bug+0xc0/0xc0
[  374.863073] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  374.877698]  ? warn_alloc+0x120/0x120
[  374.881464] 10254 total pagecache pages
[  374.890278]  ? warn_alloc+0x120/0x120
[  374.894313] 0 pages in swap cache
[  374.902864]  ? print_usage_bug+0xc0/0xc0
[  374.906634] Swap cache stats: add 0, delete 0, find 0/0
[  374.910590]  ? kvm_clock_read+0x18/0x30
[  374.914349] Free swap  = 0kB
[  374.917791]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  374.921816] Total swap = 0kB
[  374.927161]  ? print_usage_bug+0xc0/0xc0
[  374.931099] 1965979 pages RAM
[  374.934117]  ? __lock_acquire+0x62f/0x4c20
[  374.934133]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  374.939125] 0 pages HighMem/MovableOnly
[  374.939131] 342853 pages reserved
[  374.942127]  ? should_fail+0x22d/0xd01
[  374.946162] 0 pages cma reserved
[  374.949246]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  374.953605] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  374.959050]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  374.959061]  ? __lock_acquire+0x62f/0x4c20
[  374.959076]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  374.963082] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  374.966456]  ? __lock_acquire+0x62f/0x4c20
[  374.970308] ksoftirqd/0 cpuset=/ mems_allowed=0
[  374.973646]  ? should_fail+0x22d/0xd01
[  374.973657]  ? rcu_irq_exit+0x1a2/0x390
[  375.026700]  ? mark_held_locks+0x130/0x130
[  375.030928]  ? mark_held_locks+0x130/0x130
[  375.035158]  ? mark_held_locks+0xc7/0x130
[  375.039291]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  375.044299]  ? zap_class+0x640/0x640
[  375.048024]  ? print_usage_bug+0xc0/0xc0
[  375.052079]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.057605]  ? check_preemption_disabled+0x48/0x280
[  375.062613]  ? __lock_is_held+0xb5/0x140
[  375.066664]  __alloc_pages_nodemask+0xad8/0xea0
[  375.071412]  ? zap_class+0x640/0x640
[  375.075117]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  375.080129]  ? find_held_lock+0x36/0x1c0
[  375.084183]  ? ____cache_alloc_node+0x1c7/0x1e0
[  375.088843]  ? lock_downgrade+0x900/0x900
[  375.092991]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.098519]  cache_grow_begin+0xa5/0x8c0
[  375.102584]  ? do_raw_spin_unlock+0xa7/0x330
[  375.106984]  fallback_alloc+0x204/0x2e0
[  375.110966]  ____cache_alloc_node+0x1c7/0x1e0
[  375.115450]  kmem_cache_alloc_node+0xe3/0x730
[  375.119931]  ? ipv6_get_ifaddr+0x42e/0x620
[  375.124164]  __alloc_skb+0x119/0x770
[  375.127863]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  375.133128]  ? netdev_alloc_frag+0x1f0/0x1f0
[  375.137522]  ? lock_downgrade+0x900/0x900
[  375.141664]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.147188]  ? refcount_sub_and_test_checked+0x203/0x310
[  375.152628]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  375.158066]  ? addrconf_rs_timer+0x690/0x690
[  375.162470]  ndisc_alloc_skb+0x144/0x340
[  375.166526]  ndisc_send_rs+0x331/0x6e0
[  375.170406]  addrconf_rs_timer+0x314/0x690
[  375.174629]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.178859]  call_timer_fn+0x272/0x920
[  375.182733]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.186956]  ? process_timeout+0x40/0x40
[  375.191008]  ? __run_timers+0x7da/0xc70
[  375.194972]  ? _raw_spin_unlock_irq+0x27/0x80
[  375.199456]  ? _raw_spin_unlock_irq+0x27/0x80
[  375.203955]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.208176]  ? lockdep_hardirqs_on+0x296/0x5b0
[  375.212745]  ? trace_hardirqs_on+0xbd/0x310
[  375.217060]  ? kasan_check_read+0x11/0x20
[  375.221195]  ? __run_timers+0x7da/0xc70
[  375.225185]  ? trace_hardirqs_off_caller+0x310/0x310
[  375.230277]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.234501]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.238720]  __run_timers+0x7e5/0xc70
[  375.242517]  ? timer_fixup_init+0x70/0x70
[  375.246655]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  375.251656]  ? zap_class+0x640/0x640
[  375.255358]  ? enqueue_hrtimer+0x1a5/0x560
[  375.259583]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  375.264763]  ? find_held_lock+0x36/0x1c0
[  375.268819]  ? zap_class+0x640/0x640
[  375.272523]  ? pvclock_read_flags+0x160/0x160
[  375.277010]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.282538]  ? check_preemption_disabled+0x48/0x280
[  375.287550]  ? __lock_is_held+0xb5/0x140
[  375.291606]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.297130]  ? check_preemption_disabled+0x48/0x280
[  375.302157]  run_timer_softirq+0x52/0xb0
[  375.306209]  ? rcu_read_lock_sched_held+0x14f/0x180
[  375.311216]  __do_softirq+0x308/0xb7e
[  375.315020]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  375.319498]  ? lock_downgrade+0x900/0x900
[  375.323635]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  375.328728]  ? pvclock_read_flags+0x160/0x160
[  375.333300]  ? lapic_next_event+0x5a/0x90
[  375.337438]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.342965]  ? kvm_clock_read+0x18/0x30
[  375.346923]  ? kvm_sched_clock_read+0x9/0x20
[  375.351318]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.356957]  ? check_preemption_disabled+0x48/0x280
[  375.361968]  irq_exit+0x17f/0x1c0
[  375.365408]  smp_apic_timer_interrupt+0x1cb/0x760
[  375.370234]  ? smp_reschedule_interrupt+0x109/0x650
[  375.375257]  ? smp_call_function_single_interrupt+0x650/0x650
[  375.381129]  ? interrupt_entry+0xb5/0xc0
[  375.385179]  ? trace_hardirqs_off_caller+0xbb/0x310
[  375.390182]  ? trace_hardirqs_off_caller+0xbb/0x310
[  375.395189]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  375.400025]  ? trace_hardirqs_on_caller+0x310/0x310
[  375.405029]  ? trace_hardirqs_on_caller+0x310/0x310
[  375.410033]  ? task_prio+0x50/0x50
[  375.413565]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.419093]  ? check_preemption_disabled+0x48/0x280
[  375.424193]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  375.429030]  apic_timer_interrupt+0xf/0x20
[  375.433246]  </IRQ>
[  375.435475] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  375.441351] Code: 3e 7e 0f 85 32 ff ff ff e8 03 6a 3d ff e9 28 ff ff ff e8 4a 99 c2 ff 48 83 3d c2 ed 8e 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 ca 05
[  375.460239] RSP: 0018:ffff888198b071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  375.467933] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  375.475186] RDX: 0000000000000000 RSI: ffff8881bbc289c0 RDI: 0000000000000286
[  375.482440] RBP: ffff888198b07250 R08: ffff8881bbc28140 R09: 0000000000000000
[  375.489693] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800940
[  375.496949] R13: ffff8881da800940 R14: 0000000000000000 R15: 0000000000000286
[  375.504222]  ? save_stack+0xa9/0xd0
[  375.507846]  __kmalloc_node_track_caller+0x3c/0x70
[  375.512763]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  375.517515]  pskb_expand_head+0x230/0x10f0
[  375.521749]  ? memcpy+0x45/0x50
[  375.525045]  ? __copy_skb_header+0x350/0x6b0
[  375.529450]  ? skb_release_data+0x9a0/0x9a0
[  375.533769]  ? __alloc_skb+0x770/0x770
[  375.537668]  ? __lock_is_held+0xb5/0x140
[  375.541726]  ? kasan_check_write+0x14/0x20
[  375.545963]  ? __skb_clone+0x6c7/0xa00
[  375.549845]  ? __copy_skb_header+0x6b0/0x6b0
[  375.554241]  ? kmem_cache_alloc+0x33a/0x730
[  375.558561]  skb_ensure_writable+0x3dd/0x640
[  375.562964]  ? skb_checksum_setup+0xaa0/0xaa0
[  375.567450]  ? check_preemption_disabled+0x48/0x280
[  375.572456]  ? __this_cpu_preempt_check+0x1c/0x20
[  375.577283]  ? __bpf_redirect+0x55b/0xb60
[  375.581423]  bpf_clone_redirect+0x14a/0x490
[  375.585741]  bpf_prog_88483476fbe68a28+0x6f0/0x1000
[  375.590750]  ? __sched_text_start+0x8/0x8
[  375.594900]  ? find_held_lock+0x36/0x1c0
[  375.598954]  ? lock_acquire+0x1ed/0x520
[  375.602915]  ? bpf_test_run+0x3ee/0x7a0
[  375.606881]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.612402]  ? check_preemption_disabled+0x48/0x280
[  375.617410]  ? kasan_check_read+0x11/0x20
[  375.621549]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  375.626809]  ? rcu_softirq_qs+0x20/0x20
[  375.630780]  ? preempt_schedule+0x4d/0x60
[  375.634916]  ? ___preempt_schedule+0x16/0x18
[  375.639316]  ? bpf_test_run+0x271/0x7a0
[  375.643289]  ? netlink_diag_dump+0x2a0/0x2a0
[  375.647686]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  375.653222]  ? bpf_test_init.isra.10+0x70/0x100
[  375.657881]  ? bpf_prog_test_run_skb+0x762/0xd90
[  375.662629]  ? bpf_test_finish.isra.9+0x260/0x260
[  375.667477]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  375.673003]  ? fput+0x130/0x1a0
[  375.676271]  ? __bpf_prog_get+0x9b/0x290
[  375.680319]  ? bpf_test_finish.isra.9+0x260/0x260
[  375.685147]  ? __do_sys_bpf+0x1898/0x4570
[  375.689282]  ? bpf_prog_load+0x1db0/0x1db0
[  375.693504]  ? find_held_lock+0x36/0x1c0
[  375.697564]  ? __might_fault+0x12b/0x1e0
[  375.701613]  ? lock_downgrade+0x900/0x900
[  375.705749]  ? lock_release+0xa00/0xa00
[  375.709726]  ? perf_trace_sched_process_exec+0x860/0x860
[  375.715160]  ? posix_ktime_get_ts+0x15/0x20
[  375.719470]  ? trace_hardirqs_off_caller+0x310/0x310
[  375.724573]  ? kasan_check_read+0x11/0x20
[  375.728706]  ? _copy_to_user+0xc8/0x110
[  375.732670]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  375.738195]  ? put_timespec64+0x10f/0x1b0
[  375.742329]  ? nsecs_to_jiffies+0x30/0x30
[  375.746474]  ? trace_hardirqs_off_caller+0x310/0x310
[  375.751567]  ? __x64_sys_bpf+0x73/0xb0
[  375.755446]  ? do_syscall_64+0x1b9/0x820
[  375.759492]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  375.764866]  ? syscall_return_slowpath+0x5e0/0x5e0
[  375.769789]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  375.774624]  ? trace_hardirqs_on_caller+0x310/0x310
[  375.779625]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  375.784641]  ? prepare_exit_to_usermode+0x291/0x3b0
[  375.789648]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  375.794483]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  375.799851] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #181
[  375.799936] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  375.806702] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  375.806717] Call Trace:
[  375.806734]  dump_stack+0x244/0x39d
[  375.806750]  ? dump_stack_print_info.cold.1+0x20/0x20
[  375.813266] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  375.822559]  warn_alloc.cold.116+0xb7/0x1bd
[  375.825106] syz-executor0 cpuset=syz0 mems_allowed=0
[  375.828712]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  375.858557]  ? lock_downgrade+0x900/0x900
[  375.862710]  ? trace_hardirqs_off+0xb8/0x310
[  375.867116]  ? trace_hardirqs_off+0xb8/0x310
[  375.871521]  __alloc_pages_slowpath+0x2651/0x2de0
[  375.876373]  ? warn_alloc+0x120/0x120
[  375.880161]  ? print_usage_bug+0xc0/0xc0
[  375.884208]  ? warn_alloc+0x120/0x120
[  375.888001]  ? warn_alloc+0x120/0x120
[  375.891792]  ? print_usage_bug+0xc0/0xc0
[  375.895844]  ? print_usage_bug+0xc0/0xc0
[  375.899894]  ? __lock_acquire+0x62f/0x4c20
[  375.904122]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  375.909662]  ? should_fail+0x22d/0xd01
[  375.913538]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  375.918625]  ? __lock_acquire+0x62f/0x4c20
[  375.922850]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  375.927940]  ? __lock_acquire+0x62f/0x4c20
[  375.932161]  ? should_fail+0x22d/0xd01
[  375.936056]  ? find_held_lock+0x36/0x1c0
[  375.940111]  ? mark_held_locks+0x130/0x130
[  375.944339]  ? mark_held_locks+0x130/0x130
[  375.948561]  ? zap_class+0x640/0x640
[  375.952265]  ? zap_class+0x640/0x640
[  375.955969]  ? print_usage_bug+0xc0/0xc0
[  375.960020]  ? do_raw_spin_unlock+0xa7/0x330
[  375.964420]  ? zap_class+0x640/0x640
[  375.968122]  ? print_usage_bug+0xc0/0xc0
[  375.972167]  ? wq_watchdog_touch+0x9c/0xfe
[  375.976495]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.982025]  ? check_preemption_disabled+0x48/0x280
[  375.987041]  ? __lock_is_held+0xb5/0x140
[  375.991102]  __alloc_pages_nodemask+0xad8/0xea0
[  375.995765]  ? zap_class+0x640/0x640
[  375.999480]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  376.004490]  ? find_held_lock+0x36/0x1c0
[  376.008545]  ? ____cache_alloc_node+0x1c7/0x1e0
[  376.013217]  ? lock_downgrade+0x900/0x900
[  376.017357]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.022883]  cache_grow_begin+0xa5/0x8c0
[  376.026928]  ? do_raw_spin_unlock+0xa7/0x330
[  376.031328]  fallback_alloc+0x204/0x2e0
[  376.035295]  ____cache_alloc_node+0x1c7/0x1e0
[  376.039779]  kmem_cache_alloc_node+0xe3/0x730
[  376.044264]  ? ipv6_get_ifaddr+0x42e/0x620
[  376.048497]  __alloc_skb+0x119/0x770
[  376.052200]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  376.057464]  ? netdev_alloc_frag+0x1f0/0x1f0
[  376.061857]  ? lock_downgrade+0x900/0x900
[  376.065994]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.071523]  ? refcount_sub_and_test_checked+0x203/0x310
[  376.076961]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  376.082399]  ? addrconf_rs_timer+0x690/0x690
[  376.086800]  ndisc_alloc_skb+0x144/0x340
[  376.090851]  ndisc_send_rs+0x331/0x6e0
[  376.094743]  addrconf_rs_timer+0x314/0x690
[  376.098973]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  376.103204]  call_timer_fn+0x272/0x920
[  376.107082]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  376.111303]  ? process_timeout+0x40/0x40
[  376.115360]  ? __run_timers+0x7da/0xc70
[  376.119324]  ? _raw_spin_unlock_irq+0x27/0x80
[  376.123817]  ? _raw_spin_unlock_irq+0x27/0x80
[  376.128304]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  376.132524]  ? lockdep_hardirqs_on+0x296/0x5b0
[  376.137095]  ? trace_hardirqs_on+0xbd/0x310
[  376.141404]  ? kasan_check_read+0x11/0x20
[  376.145534]  ? __run_timers+0x7da/0xc70
[  376.149496]  ? trace_hardirqs_off_caller+0x310/0x310
[  376.154591]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  376.158821]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  376.163045]  __run_timers+0x7e5/0xc70
[  376.166848]  ? timer_fixup_init+0x70/0x70
[  376.170981]  ? _raw_spin_unlock_irq+0x27/0x80
[  376.175475]  ? _raw_spin_unlock_irq+0x27/0x80
[  376.179968]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  376.184540]  ? trace_hardirqs_on+0xbd/0x310
[  376.188845]  ? kasan_check_read+0x11/0x20
[  376.192994]  ? finish_task_switch+0x1f4/0x910
[  376.197474]  ? trace_hardirqs_off_caller+0x310/0x310
[  376.202568]  ? compat_start_thread+0x80/0x80
[  376.206993]  ? pvclock_read_flags+0x160/0x160
[  376.211479]  ? __switch_to_asm+0x34/0x70
[  376.215632]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.221162]  ? check_preemption_disabled+0x48/0x280
[  376.226184]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  376.231720]  ? rcu_pm_notify+0xc0/0xc0
[  376.235608]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.241137]  ? check_preemption_disabled+0x48/0x280
[  376.246149]  run_timer_softirq+0x52/0xb0
[  376.250218]  ? rcu_read_lock_sched_held+0x14f/0x180
[  376.255221]  __do_softirq+0x308/0xb7e
[  376.259016]  ? retint_kernel+0x2d/0x2d
[  376.262897]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  376.267989]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  376.273422]  ? rcu_irq_enter+0x18c/0x310
[  376.277478]  ? schedule+0x108/0x460
[  376.281090]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  376.285840]  ? trace_hardirqs_off+0xb8/0x310
[  376.290237]  ? smpboot_thread_fn+0x68b/0xa00
[  376.294639]  ? trace_hardirqs_on+0x310/0x310
[  376.299034]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.304557]  ? check_preemption_disabled+0x48/0x280
[  376.309561]  ? takeover_tasklets+0xa90/0xa90
[  376.314234]  run_ksoftirqd+0x5e/0x100
[  376.318024]  smpboot_thread_fn+0x68b/0xa00
[  376.322247]  ? sort_range+0x30/0x30
[  376.325900]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  376.330993]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.336517]  ? __kthread_parkme+0xfb/0x1a0
[  376.340745]  ? sort_range+0x30/0x30
[  376.344356]  kthread+0x35a/0x440
[  376.347708]  ? kthread_stop+0x900/0x900
[  376.351676]  ret_from_fork+0x3a/0x50
[  376.355390] CPU: 1 PID: 16176 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #181
[  376.355394] warn_alloc_show_mem: 1 callbacks suppressed
[  376.355399] Mem-Info:
[  376.362744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  376.368097] active_anon:54949 inactive_anon:10067 isolated_anon:0
[  376.368097]  active_file:12 inactive_file:12 isolated_file:0
[  376.368097]  unevictable:0 dirty:0 writeback:0 unstable:0
[  376.368097]  slab_reclaimable:9454 slab_unreclaimable:1442611
[  376.368097]  mapped:40962 shmem:10230 pagetables:596 bounce:0
[  376.368097]  free:13765 free_pcp:525 free_cma:0
[  376.370474] Call Trace:
[  376.379835] Node 0 active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:40920kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 202752kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  376.413033]  <IRQ>
[  376.415591] 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
[  376.443418]  dump_stack+0x244/0x39d
[  376.445528] lowmem_reserve[]: 0 2818 6321 6321
[  376.471736]  ? dump_stack_print_info.cold.1+0x20/0x20
[  376.475325] Node 0 DMA32 free:25248kB 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:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  376.479898]  warn_alloc.cold.116+0xb7/0x1bd
[  376.485054] lowmem_reserve[]: 0 0 3503 3503
[  376.512394]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  376.516674] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2384kB bounce:0kB free_pcp:1852kB local_pcp:1500kB free_cma:0kB
[  376.520979]  ? lock_downgrade+0x900/0x900
[  376.525788] lowmem_reserve[]: 0 0 0 0
[  376.555004]  ? trace_hardirqs_off+0xb8/0x310
[  376.559115] 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
[  376.562902]  ? trace_hardirqs_off+0xb8/0x310
[  376.567275] Node 0 DMA32: 4*4kB (UM) 0*8kB 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB
[  376.580787]  __alloc_pages_slowpath+0x2651/0x2de0
[  376.585162] Node 0 Normal: 1308*4kB (ME) 392*8kB (UME) 140*16kB (ME) 47*32kB (ME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  376.600076]  ? warn_alloc+0x120/0x120
[  376.604870] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  376.619496]  ? print_usage_bug+0xc0/0xc0
[  376.623264] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  376.632073]  ? warn_alloc+0x120/0x120
[  376.636099] 10254 total pagecache pages
[  376.644654]  ? warn_alloc+0x120/0x120
[  376.648424] 0 pages in swap cache
[  376.652376]  ? print_usage_bug+0xc0/0xc0
[  376.656154] Swap cache stats: add 0, delete 0, find 0/0
[  376.659583]  ? print_usage_bug+0xc0/0xc0
[  376.663608] Free swap  = 0kB
[  376.668951]  ? __lock_acquire+0x62f/0x4c20
[  376.672980] Total swap = 0kB
[  376.675984]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.680191] 1965979 pages RAM
[  376.683190]  ? should_fail+0x22d/0xd01
[  376.688688] 0 pages HighMem/MovableOnly
[  376.688700] 342853 pages reserved
[  376.691786]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  376.695663] 0 pages cma reserved
[  376.695746] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  376.699621]  ? __lock_acquire+0x62f/0x4c20
[  376.703091] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  376.708120]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  376.711458] ksoftirqd/0 cpuset=/ mems_allowed=0
[  376.717922]  ? __lock_acquire+0x62f/0x4c20
[  376.717935]  ? should_fail+0x22d/0xd01
[  376.750324]  ? find_held_lock+0x36/0x1c0
[  376.754377]  ? mark_held_locks+0x130/0x130
[  376.758602]  ? mark_held_locks+0x130/0x130
[  376.762836]  ? zap_class+0x640/0x640
[  376.766535]  ? zap_class+0x640/0x640
[  376.770236]  ? print_usage_bug+0xc0/0xc0
[  376.774292]  ? do_raw_spin_unlock+0xa7/0x330
[  376.778685]  ? zap_class+0x640/0x640
[  376.782393]  ? print_usage_bug+0xc0/0xc0
[  376.786439]  ? wq_watchdog_touch+0x9c/0xfe
[  376.790667]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.796201]  ? check_preemption_disabled+0x48/0x280
[  376.801238]  ? __lock_is_held+0xb5/0x140
[  376.805292]  __alloc_pages_nodemask+0xad8/0xea0
[  376.809948]  ? zap_class+0x640/0x640
[  376.813656]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  376.818697]  ? find_held_lock+0x36/0x1c0
[  376.822754]  ? ____cache_alloc_node+0x1c7/0x1e0
[  376.827423]  ? lock_downgrade+0x900/0x900
[  376.831567]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.837100]  cache_grow_begin+0xa5/0x8c0
[  376.841163]  ? do_raw_spin_unlock+0xa7/0x330
[  376.845586]  fallback_alloc+0x204/0x2e0
[  376.849556]  ____cache_alloc_node+0x1c7/0x1e0
[  376.854048]  kmem_cache_alloc_node+0xe3/0x730
[  376.858540]  ? ipv6_get_ifaddr+0x42e/0x620
[  376.862778]  __alloc_skb+0x119/0x770
[  376.866493]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  376.871770]  ? netdev_alloc_frag+0x1f0/0x1f0
[  376.876167]  ? lock_downgrade+0x900/0x900
[  376.880311]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.885834]  ? refcount_sub_and_test_checked+0x203/0x310
[  376.891300]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  376.896767]  ? addrconf_rs_timer+0x690/0x690
[  376.901174]  ndisc_alloc_skb+0x144/0x340
[  376.905226]  ndisc_send_rs+0x331/0x6e0
[  376.909105]  addrconf_rs_timer+0x314/0x690
[  376.913329]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  376.917556]  call_timer_fn+0x272/0x920
[  376.921433]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  376.925676]  ? process_timeout+0x40/0x40
[  376.929749]  ? __run_timers+0x7da/0xc70
[  376.933714]  ? _raw_spin_unlock_irq+0x27/0x80
[  376.938200]  ? _raw_spin_unlock_irq+0x27/0x80
[  376.942694]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  376.946925]  ? lockdep_hardirqs_on+0x296/0x5b0
[  376.951502]  ? trace_hardirqs_on+0xbd/0x310
[  376.955816]  ? kasan_check_read+0x11/0x20
[  376.959961]  ? __run_timers+0x7da/0xc70
[  376.963927]  ? trace_hardirqs_off_caller+0x310/0x310
[  376.969024]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  376.973252]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  376.977474]  __run_timers+0x7e5/0xc70
[  376.981268]  ? timer_fixup_init+0x70/0x70
[  376.985404]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  376.990418]  ? zap_class+0x640/0x640
[  376.994213]  ? enqueue_hrtimer+0x1a5/0x560
[  376.998438]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  377.003620]  ? find_held_lock+0x36/0x1c0
[  377.007677]  ? zap_class+0x640/0x640
[  377.011383]  ? pvclock_read_flags+0x160/0x160
[  377.015867]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.021406]  ? check_preemption_disabled+0x48/0x280
[  377.026417]  ? __lock_is_held+0xb5/0x140
[  377.030472]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.035998]  ? check_preemption_disabled+0x48/0x280
[  377.041002]  run_timer_softirq+0x52/0xb0
[  377.045048]  ? rcu_read_lock_sched_held+0x14f/0x180
[  377.050053]  __do_softirq+0x308/0xb7e
[  377.053846]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  377.058326]  ? lock_downgrade+0x900/0x900
[  377.062465]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  377.067561]  ? pvclock_read_flags+0x160/0x160
[  377.072046]  ? lapic_next_event+0x5a/0x90
[  377.076182]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.081709]  ? kvm_clock_read+0x18/0x30
[  377.085678]  ? kvm_sched_clock_read+0x9/0x20
[  377.090073]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.095598]  ? check_preemption_disabled+0x48/0x280
[  377.100606]  irq_exit+0x17f/0x1c0
[  377.104047]  smp_apic_timer_interrupt+0x1cb/0x760
[  377.108877]  ? smp_reschedule_interrupt+0x109/0x650
[  377.113892]  ? smp_call_function_single_interrupt+0x650/0x650
[  377.119761]  ? interrupt_entry+0xb5/0xc0
[  377.123809]  ? trace_hardirqs_off_caller+0xbb/0x310
[  377.128813]  ? trace_hardirqs_off_caller+0xbb/0x310
[  377.133819]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  377.138647]  ? trace_hardirqs_on_caller+0x310/0x310
[  377.143652]  ? trace_hardirqs_on_caller+0x310/0x310
[  377.148677]  ? task_prio+0x50/0x50
[  377.152207]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.157737]  ? check_preemption_disabled+0x48/0x280
[  377.162749]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  377.167611]  apic_timer_interrupt+0xf/0x20
[  377.171951]  </IRQ>
[  377.174180] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  377.180054] Code: 3e 7e 0f 85 32 ff ff ff e8 03 6a 3d ff e9 28 ff ff ff e8 4a 99 c2 ff 48 83 3d c2 ed 8e 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 ca 05
[  377.198958] RSP: 0018:ffff888198b071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  377.206667] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  377.213924] RDX: 0000000000000000 RSI: ffff8881bbc289c0 RDI: 0000000000000286
[  377.221178] RBP: ffff888198b07250 R08: ffff8881bbc28140 R09: 0000000000000000
[  377.228518] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800940
[  377.235776] R13: ffff8881da800940 R14: 0000000000000000 R15: 0000000000000286
[  377.243051]  ? save_stack+0xa9/0xd0
[  377.246677]  __kmalloc_node_track_caller+0x3c/0x70
[  377.251699]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  377.256446]  pskb_expand_head+0x230/0x10f0
[  377.260675]  ? memcpy+0x45/0x50
[  377.263944]  ? __copy_skb_header+0x350/0x6b0
[  377.268341]  ? skb_release_data+0x9a0/0x9a0
[  377.272647]  ? __alloc_skb+0x770/0x770
[  377.276548]  ? __lock_is_held+0xb5/0x140
[  377.280600]  ? kasan_check_write+0x14/0x20
[  377.284907]  ? __skb_clone+0x6c7/0xa00
[  377.288886]  ? __copy_skb_header+0x6b0/0x6b0
[  377.293281]  ? kmem_cache_alloc+0x33a/0x730
[  377.297597]  skb_ensure_writable+0x3dd/0x640
[  377.301993]  ? skb_checksum_setup+0xaa0/0xaa0
[  377.306476]  ? check_preemption_disabled+0x48/0x280
[  377.311483]  ? __this_cpu_preempt_check+0x1c/0x20
[  377.316316]  ? __bpf_redirect+0x55b/0xb60
[  377.320459]  bpf_clone_redirect+0x14a/0x490
[  377.324774]  bpf_prog_88483476fbe68a28+0x6f0/0x1000
[  377.329779]  ? __sched_text_start+0x8/0x8
[  377.333927]  ? find_held_lock+0x36/0x1c0
[  377.337983]  ? lock_acquire+0x1ed/0x520
[  377.341945]  ? bpf_test_run+0x3ee/0x7a0
[  377.345906]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.351436]  ? check_preemption_disabled+0x48/0x280
[  377.356444]  ? kasan_check_read+0x11/0x20
[  377.360577]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  377.365928]  ? rcu_softirq_qs+0x20/0x20
[  377.369891]  ? preempt_schedule+0x4d/0x60
[  377.374025]  ? ___preempt_schedule+0x16/0x18
[  377.378424]  ? bpf_test_run+0x271/0x7a0
[  377.382393]  ? netlink_diag_dump+0x2a0/0x2a0
[  377.386795]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  377.392321]  ? bpf_test_init.isra.10+0x70/0x100
[  377.396979]  ? bpf_prog_test_run_skb+0x762/0xd90
[  377.401732]  ? bpf_test_finish.isra.9+0x260/0x260
[  377.406564]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  377.412085]  ? fput+0x130/0x1a0
[  377.415357]  ? __bpf_prog_get+0x9b/0x290
[  377.419413]  ? bpf_test_finish.isra.9+0x260/0x260
[  377.424241]  ? __do_sys_bpf+0x1898/0x4570
[  377.428377]  ? bpf_prog_load+0x1db0/0x1db0
[  377.432603]  ? find_held_lock+0x36/0x1c0
[  377.436662]  ? __might_fault+0x12b/0x1e0
[  377.440727]  ? lock_downgrade+0x900/0x900
[  377.444867]  ? lock_release+0xa00/0xa00
[  377.448829]  ? perf_trace_sched_process_exec+0x860/0x860
[  377.454262]  ? posix_ktime_get_ts+0x15/0x20
[  377.458579]  ? trace_hardirqs_off_caller+0x310/0x310
[  377.463683]  ? kasan_check_read+0x11/0x20
[  377.467816]  ? _copy_to_user+0xc8/0x110
[  377.471779]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  377.477415]  ? put_timespec64+0x10f/0x1b0
[  377.481551]  ? nsecs_to_jiffies+0x30/0x30
[  377.485697]  ? trace_hardirqs_off_caller+0x310/0x310
[  377.490789]  ? __x64_sys_bpf+0x73/0xb0
[  377.494667]  ? do_syscall_64+0x1b9/0x820
[  377.498723]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  377.504078]  ? syscall_return_slowpath+0x5e0/0x5e0
[  377.508994]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  377.513834]  ? trace_hardirqs_on_caller+0x310/0x310
[  377.518847]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  377.523849]  ? prepare_exit_to_usermode+0x291/0x3b0
[  377.528853]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  377.533691]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  377.539054] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #181
[  377.539116] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  377.545965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  377.545969] Call Trace:
[  377.545984]  dump_stack+0x244/0x39d
[  377.546002]  ? dump_stack_print_info.cold.1+0x20/0x20
[  377.552513] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  377.561812]  warn_alloc.cold.116+0xb7/0x1bd
[  377.564360] syz-executor0 cpuset=syz0 mems_allowed=0
[  377.567966]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  377.597776]  ? lock_downgrade+0x900/0x900
[  377.601916]  ? trace_hardirqs_off+0xb8/0x310
[  377.606319]  ? trace_hardirqs_off+0xb8/0x310
[  377.610719]  __alloc_pages_slowpath+0x2651/0x2de0
[  377.615570]  ? warn_alloc+0x120/0x120
[  377.619360]  ? print_usage_bug+0xc0/0xc0
[  377.623406]  ? warn_alloc+0x120/0x120
[  377.627196]  ? warn_alloc+0x120/0x120
[  377.630987]  ? print_usage_bug+0xc0/0xc0
[  377.635036]  ? print_usage_bug+0xc0/0xc0
[  377.639088]  ? __lock_acquire+0x62f/0x4c20
[  377.643317]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  377.648849]  ? should_fail+0x22d/0xd01
[  377.652726]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  377.657817]  ? __lock_acquire+0x62f/0x4c20
[  377.662046]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  377.667133]  ? __lock_acquire+0x62f/0x4c20
[  377.671355]  ? should_fail+0x22d/0xd01
[  377.675229]  ? find_held_lock+0x36/0x1c0
[  377.679280]  ? mark_held_locks+0x130/0x130
[  377.683505]  ? mark_held_locks+0x130/0x130
[  377.687730]  ? zap_class+0x640/0x640
[  377.691429]  ? zap_class+0x640/0x640
[  377.695129]  ? print_usage_bug+0xc0/0xc0
[  377.699178]  ? do_raw_spin_unlock+0xa7/0x330
[  377.703579]  ? zap_class+0x640/0x640
[  377.707276]  ? print_usage_bug+0xc0/0xc0
[  377.711326]  ? wq_watchdog_touch+0x9c/0xfe
[  377.715548]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.721074]  ? check_preemption_disabled+0x48/0x280
[  377.726098]  ? __lock_is_held+0xb5/0x140
[  377.730151]  __alloc_pages_nodemask+0xad8/0xea0
[  377.734806]  ? zap_class+0x640/0x640
[  377.738509]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  377.743518]  ? find_held_lock+0x36/0x1c0
[  377.747577]  ? ____cache_alloc_node+0x1c7/0x1e0
[  377.752232]  ? lock_downgrade+0x900/0x900
[  377.756372]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.761904]  cache_grow_begin+0xa5/0x8c0
[  377.765951]  ? do_raw_spin_unlock+0xa7/0x330
[  377.770351]  fallback_alloc+0x204/0x2e0
[  377.774315]  ____cache_alloc_node+0x1c7/0x1e0
[  377.778798]  kmem_cache_alloc_node+0xe3/0x730
[  377.783280]  ? ipv6_get_ifaddr+0x42e/0x620
[  377.787508]  __alloc_skb+0x119/0x770
[  377.791209]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  377.796476]  ? netdev_alloc_frag+0x1f0/0x1f0
[  377.800872]  ? lock_downgrade+0x900/0x900
[  377.805024]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.810548]  ? refcount_sub_and_test_checked+0x203/0x310
[  377.815988]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  377.821424]  ? addrconf_rs_timer+0x690/0x690
[  377.825832]  ndisc_alloc_skb+0x144/0x340
[  377.829888]  ndisc_send_rs+0x331/0x6e0
[  377.833766]  addrconf_rs_timer+0x314/0x690
[  377.837996]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.842225]  call_timer_fn+0x272/0x920
[  377.846098]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.850349]  ? process_timeout+0x40/0x40
[  377.854402]  ? __run_timers+0x7da/0xc70
[  377.858364]  ? _raw_spin_unlock_irq+0x27/0x80
[  377.862844]  ? _raw_spin_unlock_irq+0x27/0x80
[  377.867417]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.871641]  ? lockdep_hardirqs_on+0x296/0x5b0
[  377.876209]  ? trace_hardirqs_on+0xbd/0x310
[  377.880517]  ? kasan_check_read+0x11/0x20
[  377.884647]  ? __run_timers+0x7da/0xc70
[  377.888614]  ? trace_hardirqs_off_caller+0x310/0x310
[  377.893707]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.897931]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.902149]  __run_timers+0x7e5/0xc70
[  377.905945]  ? timer_fixup_init+0x70/0x70
[  377.910091]  ? _raw_spin_unlock_irq+0x27/0x80
[  377.914571]  ? _raw_spin_unlock_irq+0x27/0x80
[  377.919053]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  377.923626]  ? trace_hardirqs_on+0xbd/0x310
[  377.927934]  ? kasan_check_read+0x11/0x20
[  377.932071]  ? finish_task_switch+0x1f4/0x910
[  377.936643]  ? trace_hardirqs_off_caller+0x310/0x310
[  377.941734]  ? compat_start_thread+0x80/0x80
[  377.946149]  ? pvclock_read_flags+0x160/0x160
[  377.950631]  ? __switch_to_asm+0x34/0x70
[  377.954692]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.960215]  ? check_preemption_disabled+0x48/0x280
[  377.965236]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  377.970761]  ? rcu_pm_notify+0xc0/0xc0
[  377.974636]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.980160]  ? check_preemption_disabled+0x48/0x280
[  377.985171]  run_timer_softirq+0x52/0xb0
[  377.989216]  ? rcu_read_lock_sched_held+0x14f/0x180
[  377.994219]  __do_softirq+0x308/0xb7e
[  377.998007]  ? retint_kernel+0x2d/0x2d
[  378.001885]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  378.006978]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  378.012410]  ? rcu_irq_enter+0x18c/0x310
[  378.016463]  ? schedule+0x108/0x460
[  378.020075]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  378.024825]  ? trace_hardirqs_off+0xb8/0x310
[  378.029220]  ? smpboot_thread_fn+0x68b/0xa00
[  378.033618]  ? trace_hardirqs_on+0x310/0x310
[  378.038012]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  378.043537]  ? check_preemption_disabled+0x48/0x280
[  378.048540]  ? takeover_tasklets+0xa90/0xa90
[  378.052934]  run_ksoftirqd+0x5e/0x100
[  378.056723]  smpboot_thread_fn+0x68b/0xa00
[  378.060948]  ? sort_range+0x30/0x30
[  378.064562]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  378.069651]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  378.075176]  ? __kthread_parkme+0xfb/0x1a0
[  378.079400]  ? sort_range+0x30/0x30
[  378.083012]  kthread+0x35a/0x440
[  378.086373]  ? kthread_stop+0x900/0x900
[  378.090336]  ret_from_fork+0x3a/0x50
[  378.094050] CPU: 1 PID: 16176 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #181
[  378.094054] warn_alloc_show_mem: 1 callbacks suppressed
[  378.094059] Mem-Info:
[  378.101397] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  378.106751] active_anon:54949 inactive_anon:10067 isolated_anon:0
[  378.106751]  active_file:12 inactive_file:12 isolated_file:0
[  378.106751]  unevictable:0 dirty:0 writeback:0 unstable:0
[  378.106751]  slab_reclaimable:9454 slab_unreclaimable:1442611
[  378.106751]  mapped:40962 shmem:10230 pagetables:596 bounce:0
[  378.106751]  free:13765 free_pcp:525 free_cma:0
[  378.109112] Call Trace:
[  378.118472] Node 0 active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:40920kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 202752kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  378.151747]  <IRQ>
[  378.154306] 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
[  378.182131]  dump_stack+0x244/0x39d
[  378.184247] lowmem_reserve[]: 0 2818 6321 6321
[  378.210338]  ? dump_stack_print_info.cold.1+0x20/0x20
[  378.213930] Node 0 DMA32 free:25248kB 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:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  378.218501]  warn_alloc.cold.116+0xb7/0x1bd
[  378.223651] lowmem_reserve[]: 0 0 3503 3503
[  378.250952]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  378.255239] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2384kB bounce:0kB free_pcp:1852kB local_pcp:1500kB free_cma:0kB
[  378.259544]  ? lock_downgrade+0x900/0x900
[  378.264356] lowmem_reserve[]: 0 0 0 0
[  378.293573]  ? trace_hardirqs_off+0xb8/0x310
[  378.297688] 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
[  378.301472]  ? trace_hardirqs_off+0xb8/0x310
[  378.305847] Node 0 DMA32: 4*4kB (UM) 0*8kB 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB
[  378.319539]  __alloc_pages_slowpath+0x2651/0x2de0
[  378.323917] Node 0 Normal: 1308*4kB (ME) 392*8kB (UME) 140*16kB (ME) 47*32kB (ME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  378.338829]  ? warn_alloc+0x120/0x120
[  378.343627] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  378.358253]  ? print_usage_bug+0xc0/0xc0
[  378.362026] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  378.370848]  ? warn_alloc+0x120/0x120
[  378.374881] 10254 total pagecache pages
[  378.383432]  ? warn_alloc+0x120/0x120
[  378.387204] 0 pages in swap cache
[  378.391151]  ? print_usage_bug+0xc0/0xc0
[  378.394922] Swap cache stats: add 0, delete 0, find 0/0
[  378.398360]  ? print_usage_bug+0xc0/0xc0
[  378.402395] Free swap  = 0kB
[  378.407744]  ? __lock_acquire+0x62f/0x4c20
[  378.411773] Total swap = 0kB
[  378.414781]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  378.418986] 1965979 pages RAM
[  378.421989]  ? should_fail+0x22d/0xd01
[  378.427484] 0 pages HighMem/MovableOnly
[  378.427490] 342853 pages reserved
[  378.430584]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  378.434439] 0 pages cma reserved
[  378.438395]  ? __lock_acquire+0x62f/0x4c20
[  378.441906] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  378.446919]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  378.446929]  ? __lock_acquire+0x62f/0x4c20
[  378.446942]  ? should_fail+0x22d/0xd01
[  378.450402] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  378.454493]  ? find_held_lock+0x36/0x1c0
[  378.454516]  ? mark_held_locks+0x130/0x130
[  378.461119] ksoftirqd/0 cpuset=/ mems_allowed=0
[  378.466211]  ? mark_held_locks+0x130/0x130
[  378.502270]  ? zap_class+0x640/0x640
[  378.505976]  ? zap_class+0x640/0x640
[  378.509685]  ? print_usage_bug+0xc0/0xc0
[  378.513731]  ? do_raw_spin_unlock+0xa7/0x330
[  378.518130]  ? zap_class+0x640/0x640
[  378.521830]  ? print_usage_bug+0xc0/0xc0
[  378.525880]  ? wq_watchdog_touch+0x9c/0xfe
[  378.530109]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.535632]  ? check_preemption_disabled+0x48/0x280
[  378.540642]  ? __lock_is_held+0xb5/0x140
[  378.544696]  __alloc_pages_nodemask+0xad8/0xea0
[  378.549355]  ? zap_class+0x640/0x640
[  378.553061]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  378.558076]  ? find_held_lock+0x36/0x1c0
[  378.562141]  ? ____cache_alloc_node+0x1c7/0x1e0
[  378.566802]  ? lock_downgrade+0x900/0x900
[  378.570946]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.576471]  cache_grow_begin+0xa5/0x8c0
[  378.580517]  ? do_raw_spin_unlock+0xa7/0x330
[  378.584918]  fallback_alloc+0x204/0x2e0
[  378.588883]  ____cache_alloc_node+0x1c7/0x1e0
[  378.593371]  kmem_cache_alloc_node+0xe3/0x730
[  378.597864]  ? ipv6_get_ifaddr+0x42e/0x620
[  378.602097]  __alloc_skb+0x119/0x770
[  378.605798]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  378.611062]  ? netdev_alloc_frag+0x1f0/0x1f0
[  378.615459]  ? lock_downgrade+0x900/0x900
[  378.619601]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.625150]  ? refcount_sub_and_test_checked+0x203/0x310
[  378.630613]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  378.636058]  ? addrconf_rs_timer+0x690/0x690
[  378.640481]  ndisc_alloc_skb+0x144/0x340
[  378.644546]  ndisc_send_rs+0x331/0x6e0
[  378.648436]  addrconf_rs_timer+0x314/0x690
[  378.652672]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.656900]  call_timer_fn+0x272/0x920
[  378.660772]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.664995]  ? process_timeout+0x40/0x40
[  378.669048]  ? __run_timers+0x7da/0xc70
[  378.673013]  ? _raw_spin_unlock_irq+0x27/0x80
[  378.677510]  ? _raw_spin_unlock_irq+0x27/0x80
[  378.681991]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.686213]  ? lockdep_hardirqs_on+0x296/0x5b0
[  378.690784]  ? trace_hardirqs_on+0xbd/0x310
[  378.695210]  ? kasan_check_read+0x11/0x20
[  378.699353]  ? __run_timers+0x7da/0xc70
[  378.703321]  ? trace_hardirqs_off_caller+0x310/0x310
[  378.708423]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.712646]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.716864]  __run_timers+0x7e5/0xc70
[  378.720656]  ? timer_fixup_init+0x70/0x70
[  378.724797]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  378.729798]  ? zap_class+0x640/0x640
[  378.733501]  ? enqueue_hrtimer+0x1a5/0x560
[  378.737724]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  378.742906]  ? find_held_lock+0x36/0x1c0
[  378.746961]  ? zap_class+0x640/0x640
[  378.750679]  ? pvclock_read_flags+0x160/0x160
[  378.755163]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.760685]  ? check_preemption_disabled+0x48/0x280
[  378.765696]  ? __lock_is_held+0xb5/0x140
[  378.769743]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.775269]  ? check_preemption_disabled+0x48/0x280
[  378.780274]  run_timer_softirq+0x52/0xb0
[  378.784329]  ? rcu_read_lock_sched_held+0x14f/0x180
[  378.789338]  __do_softirq+0x308/0xb7e
[  378.793130]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  378.797609]  ? lock_downgrade+0x900/0x900
[  378.801746]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  378.806839]  ? pvclock_read_flags+0x160/0x160
[  378.811328]  ? lapic_next_event+0x5a/0x90
[  378.815463]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.821006]  ? kvm_clock_read+0x18/0x30
[  378.824966]  ? kvm_sched_clock_read+0x9/0x20
[  378.829363]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.834888]  ? check_preemption_disabled+0x48/0x280
[  378.839898]  irq_exit+0x17f/0x1c0
[  378.843341]  smp_apic_timer_interrupt+0x1cb/0x760
[  378.848168]  ? smp_reschedule_interrupt+0x109/0x650
[  378.853172]  ? smp_call_function_single_interrupt+0x650/0x650
[  378.859050]  ? interrupt_entry+0xb5/0xc0
[  378.863100]  ? trace_hardirqs_off_caller+0xbb/0x310
[  378.868103]  ? trace_hardirqs_off_caller+0xbb/0x310
[  378.873110]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  378.877942]  ? trace_hardirqs_on_caller+0x310/0x310
[  378.882941]  ? trace_hardirqs_on_caller+0x310/0x310
[  378.887943]  ? task_prio+0x50/0x50
[  378.891472]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.896998]  ? check_preemption_disabled+0x48/0x280
[  378.902018]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  378.906863]  apic_timer_interrupt+0xf/0x20
[  378.911077]  </IRQ>
[  378.913307] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  378.919181] Code: 3e 7e 0f 85 32 ff ff ff e8 03 6a 3d ff e9 28 ff ff ff e8 4a 99 c2 ff 48 83 3d c2 ed 8e 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 ca 05
[  378.938067] RSP: 0018:ffff888198b071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  378.945757] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  378.953106] RDX: 0000000000000000 RSI: ffff8881bbc289c0 RDI: 0000000000000286
[  378.960358] RBP: ffff888198b07250 R08: ffff8881bbc28140 R09: 0000000000000000
[  378.967611] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800940
[  378.974865] R13: ffff8881da800940 R14: 0000000000000000 R15: 0000000000000286
[  378.982138]  ? save_stack+0xa9/0xd0
[  378.985758]  __kmalloc_node_track_caller+0x3c/0x70
[  378.990678]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  378.995425]  pskb_expand_head+0x230/0x10f0
[  378.999651]  ? memcpy+0x45/0x50
[  379.002920]  ? __copy_skb_header+0x350/0x6b0
[  379.007313]  ? skb_release_data+0x9a0/0x9a0
[  379.011621]  ? __alloc_skb+0x770/0x770
[  379.015498]  ? __lock_is_held+0xb5/0x140
[  379.019559]  ? kasan_check_write+0x14/0x20
[  379.023783]  ? __skb_clone+0x6c7/0xa00
[  379.027661]  ? __copy_skb_header+0x6b0/0x6b0
[  379.032056]  ? kmem_cache_alloc+0x33a/0x730
[  379.036371]  skb_ensure_writable+0x3dd/0x640
[  379.040766]  ? skb_checksum_setup+0xaa0/0xaa0
[  379.045251]  ? check_preemption_disabled+0x48/0x280
[  379.050256]  ? __this_cpu_preempt_check+0x1c/0x20
[  379.055085]  ? __bpf_redirect+0x55b/0xb60
[  379.059224]  bpf_clone_redirect+0x14a/0x490
[  379.063547]  bpf_prog_88483476fbe68a28+0x6f0/0x1000
[  379.068553]  ? __sched_text_start+0x8/0x8
[  379.072698]  ? find_held_lock+0x36/0x1c0
[  379.076758]  ? lock_acquire+0x1ed/0x520
[  379.080719]  ? bpf_test_run+0x3ee/0x7a0
[  379.084679]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.090204]  ? check_preemption_disabled+0x48/0x280
[  379.095215]  ? kasan_check_read+0x11/0x20
[  379.099348]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  379.104608]  ? rcu_softirq_qs+0x20/0x20
[  379.108571]  ? preempt_schedule+0x4d/0x60
[  379.112704]  ? ___preempt_schedule+0x16/0x18
[  379.117104]  ? bpf_test_run+0x271/0x7a0
[  379.121074]  ? netlink_diag_dump+0x2a0/0x2a0
[  379.125470]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  379.130993]  ? bpf_test_init.isra.10+0x70/0x100
[  379.135650]  ? bpf_prog_test_run_skb+0x762/0xd90
[  379.140403]  ? bpf_test_finish.isra.9+0x260/0x260
[  379.145238]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  379.150770]  ? fput+0x130/0x1a0
[  379.154045]  ? __bpf_prog_get+0x9b/0x290
[  379.158095]  ? bpf_test_finish.isra.9+0x260/0x260
[  379.162926]  ? __do_sys_bpf+0x1898/0x4570
[  379.167063]  ? bpf_prog_load+0x1db0/0x1db0
[  379.171288]  ? find_held_lock+0x36/0x1c0
[  379.175352]  ? __might_fault+0x12b/0x1e0
[  379.179400]  ? lock_downgrade+0x900/0x900
[  379.183637]  ? lock_release+0xa00/0xa00
[  379.187595]  ? perf_trace_sched_process_exec+0x860/0x860
[  379.193032]  ? posix_ktime_get_ts+0x15/0x20
[  379.197338]  ? trace_hardirqs_off_caller+0x310/0x310
[  379.202440]  ? kasan_check_read+0x11/0x20
[  379.206584]  ? _copy_to_user+0xc8/0x110
[  379.210563]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  379.216085]  ? put_timespec64+0x10f/0x1b0
[  379.220222]  ? nsecs_to_jiffies+0x30/0x30
[  379.224370]  ? trace_hardirqs_off_caller+0x310/0x310
[  379.229470]  ? __x64_sys_bpf+0x73/0xb0
[  379.233352]  ? do_syscall_64+0x1b9/0x820
[  379.237401]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  379.242751]  ? syscall_return_slowpath+0x5e0/0x5e0
[  379.247670]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  379.252498]  ? trace_hardirqs_on_caller+0x310/0x310
[  379.257525]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  379.262533]  ? prepare_exit_to_usermode+0x291/0x3b0
[  379.267566]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  379.272404]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  379.277771] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #181
[  379.277838] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  379.284603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  379.284607] Call Trace:
[  379.284624]  dump_stack+0x244/0x39d
[  379.284640]  ? dump_stack_print_info.cold.1+0x20/0x20
[  379.291150] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  379.300535]  warn_alloc.cold.116+0xb7/0x1bd
[  379.303079] syz-executor0 cpuset=syz0 mems_allowed=0
[  379.306685]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  379.336497]  ? lock_downgrade+0x900/0x900
[  379.340643]  ? trace_hardirqs_off+0xb8/0x310
[  379.345052]  ? trace_hardirqs_off+0xb8/0x310
[  379.349451]  __alloc_pages_slowpath+0x2651/0x2de0
[  379.354302]  ? warn_alloc+0x120/0x120
[  379.358092]  ? find_held_lock+0x36/0x1c0
[  379.362138]  ? warn_alloc+0x120/0x120
[  379.365927]  ? warn_alloc+0x120/0x120
[  379.369716]  ? print_usage_bug+0xc0/0xc0
[  379.373768]  ? print_usage_bug+0xc0/0xc0
[  379.377824]  ? check_usage_forwards+0x3d0/0x3d0
[  379.382489]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  379.388016]  ? should_fail+0x22d/0xd01
[  379.391892]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  379.396984]  ? __lock_acquire+0x62f/0x4c20
[  379.401225]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  379.406315]  ? should_fail+0x22d/0xd01
[  379.410190]  ? select_task_rq_fair+0x642/0x32f0
[  379.414854]  ? mark_held_locks+0x130/0x130
[  379.419079]  ? mark_held_locks+0x130/0x130
[  379.423304]  ? kasan_check_read+0x11/0x20
[  379.427437]  ? __lock_acquire+0x2aff/0x4c20
[  379.431835]  ? zap_class+0x640/0x640
[  379.435540]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.441064]  ? check_preemption_disabled+0x48/0x280
[  379.446073]  ? __lock_is_held+0xb5/0x140
[  379.450122]  __alloc_pages_nodemask+0xad8/0xea0
[  379.454778]  ? zap_class+0x640/0x640
[  379.458486]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  379.463515]  ? find_held_lock+0x36/0x1c0
[  379.467578]  ? ____cache_alloc_node+0x1c7/0x1e0
[  379.472232]  ? lock_downgrade+0x900/0x900
[  379.476370]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.481901]  cache_grow_begin+0xa5/0x8c0
[  379.485946]  ? do_raw_spin_unlock+0xa7/0x330
[  379.490348]  fallback_alloc+0x204/0x2e0
[  379.494312]  ____cache_alloc_node+0x1c7/0x1e0
[  379.498883]  kmem_cache_alloc_node+0xe3/0x730
[  379.503469]  ? do_raw_spin_unlock+0xa7/0x330
[  379.507870]  ? do_raw_spin_trylock+0x270/0x270
[  379.512444]  __alloc_skb+0x119/0x770
[  379.516147]  ? netdev_alloc_frag+0x1f0/0x1f0
[  379.520563]  ? atomic_notifier_call_chain+0xc6/0x190
[  379.525654]  ? lock_downgrade+0x900/0x900
[  379.529789]  ? check_preemption_disabled+0x48/0x280
[  379.534792]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  379.539706]  ? kasan_check_read+0x11/0x20
[  379.543838]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  379.549105]  ? rcu_softirq_qs+0x20/0x20
[  379.553064]  ? kasan_check_read+0x11/0x20
[  379.557199]  ? do_raw_write_trylock+0x270/0x270
[  379.561861]  __neigh_notify+0x8c/0x160
[  379.565733]  ? neigh_connected_output+0x780/0x780
[  379.570566]  neigh_timer_handler+0x6cb/0xdf0
[  379.574966]  ? check_preemption_disabled+0x48/0x280
[  379.579974]  ? neigh_periodic_work+0xc30/0xc30
[  379.584628]  ? __lock_is_held+0xb5/0x140
[  379.588684]  call_timer_fn+0x272/0x920
[  379.592555]  ? neigh_periodic_work+0xc30/0xc30
[  379.597122]  ? process_timeout+0x40/0x40
[  379.601173]  ? __run_timers+0x7da/0xc70
[  379.605136]  ? _raw_spin_unlock_irq+0x27/0x80
[  379.609619]  ? _raw_spin_unlock_irq+0x27/0x80
[  379.614103]  ? neigh_periodic_work+0xc30/0xc30
[  379.618672]  ? lockdep_hardirqs_on+0x296/0x5b0
[  379.623239]  ? trace_hardirqs_on+0xbd/0x310
[  379.627546]  ? kasan_check_read+0x11/0x20
[  379.631677]  ? __run_timers+0x7da/0xc70
[  379.635638]  ? trace_hardirqs_off_caller+0x310/0x310
[  379.640730]  ? __next_timer_interrupt+0x1a0/0x1a0
[  379.645567]  ? neigh_periodic_work+0xc30/0xc30
[  379.650131]  __run_timers+0x7e5/0xc70
[  379.653924]  ? timer_fixup_init+0x70/0x70
[  379.658069]  ? _raw_spin_unlock_irq+0x27/0x80
[  379.662552]  ? _raw_spin_unlock_irq+0x27/0x80
[  379.667032]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  379.671600]  ? trace_hardirqs_on+0xbd/0x310
[  379.675905]  ? kasan_check_read+0x11/0x20
[  379.680044]  ? finish_task_switch+0x1f4/0x910
[  379.684528]  ? trace_hardirqs_off_caller+0x310/0x310
[  379.689619]  ? compat_start_thread+0x80/0x80
[  379.694026]  ? pvclock_read_flags+0x160/0x160
[  379.698508]  ? __switch_to_asm+0x34/0x70
[  379.702557]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.708086]  ? check_preemption_disabled+0x48/0x280
[  379.713093]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  379.718617]  ? rcu_pm_notify+0xc0/0xc0
[  379.722497]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.728027]  ? check_preemption_disabled+0x48/0x280
[  379.733033]  run_timer_softirq+0x52/0xb0
[  379.737093]  ? rcu_read_lock_sched_held+0x14f/0x180
[  379.742104]  __do_softirq+0x308/0xb7e
[  379.745899]  ? retint_kernel+0x2d/0x2d
[  379.749777]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  379.754869]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  379.760304]  ? rcu_irq_enter+0x18c/0x310
[  379.764357]  ? schedule+0x108/0x460
[  379.767970]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  379.772718]  ? trace_hardirqs_off+0xb8/0x310
[  379.777135]  ? smpboot_thread_fn+0x68b/0xa00
[  379.781532]  ? trace_hardirqs_on+0x310/0x310
[  379.785928]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  379.791450]  ? check_preemption_disabled+0x48/0x280
[  379.796458]  ? takeover_tasklets+0xa90/0xa90
[  379.800867]  run_ksoftirqd+0x5e/0x100
[  379.804654]  smpboot_thread_fn+0x68b/0xa00
[  379.808879]  ? sort_range+0x30/0x30
[  379.812496]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  379.817582]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  379.823105]  ? __kthread_parkme+0xfb/0x1a0
[  379.827328]  ? sort_range+0x30/0x30
[  379.830939]  kthread+0x35a/0x440
[  379.834294]  ? kthread_stop+0x900/0x900
[  379.838255]  ret_from_fork+0x3a/0x50
[  379.841967] CPU: 1 PID: 16176 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #181
[  379.841971] warn_alloc_show_mem: 1 callbacks suppressed
[  379.841976] Mem-Info:
[  379.849317] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  379.854670] active_anon:54949 inactive_anon:10067 isolated_anon:0
[  379.854670]  active_file:12 inactive_file:12 isolated_file:0
[  379.854670]  unevictable:0 dirty:0 writeback:0 unstable:0
[  379.854670]  slab_reclaimable:9454 slab_unreclaimable:1442611
[  379.854670]  mapped:40962 shmem:10230 pagetables:596 bounce:0
[  379.854670]  free:13765 free_pcp:525 free_cma:0
[  379.857034] Call Trace:
[  379.866393] Node 0 active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:40920kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 202752kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  379.899571]  <IRQ>
[  379.902130] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  379.929957]  dump_stack+0x244/0x39d
[  379.932073] lowmem_reserve[]: 0 2818 6321 6321
[  379.958422]  ? dump_stack_print_info.cold.1+0x20/0x20
[  379.962014] Node 0 DMA32 free:25248kB 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:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  379.966584]  warn_alloc.cold.116+0xb7/0x1bd
[  379.971742] lowmem_reserve[]: 0 0 3503 3503
[  379.999158]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  380.003445] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2384kB bounce:0kB free_pcp:1852kB local_pcp:1500kB free_cma:0kB
[  380.007753]  ? lock_downgrade+0x900/0x900
[  380.012556] lowmem_reserve[]: 0 0 0 0
[  380.041887]  ? trace_hardirqs_off+0xb8/0x310
[  380.046003] 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
[  380.049810]  ? trace_hardirqs_off+0xb8/0x310
[  380.054191] Node 0 DMA32: 4*4kB (UM) 0*8kB 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB
[  380.067707]  __alloc_pages_slowpath+0x2651/0x2de0
[  380.072084] Node 0 Normal: 1308*4kB (ME) 392*8kB (UME) 140*16kB (ME) 47*32kB (ME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  380.086996]  ? warn_alloc+0x120/0x120
[  380.091793] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  380.106418]  ? print_usage_bug+0xc0/0xc0
[  380.110191] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  380.119004]  ? warn_alloc+0x120/0x120
[  380.123032] 10254 total pagecache pages
[  380.131583]  ? warn_alloc+0x120/0x120
[  380.135354] 0 pages in swap cache
[  380.139301]  ? print_usage_bug+0xc0/0xc0
[  380.143072] Swap cache stats: add 0, delete 0, find 0/0
[  380.146505]  ? print_usage_bug+0xc0/0xc0
[  380.150531] Free swap  = 0kB
[  380.155872]  ? __lock_acquire+0x62f/0x4c20
[  380.159896] Total swap = 0kB
[  380.162899]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  380.167105] 1965979 pages RAM
[  380.170122]  ? should_fail+0x22d/0xd01
[  380.175620] 0 pages HighMem/MovableOnly
[  380.175626] 342853 pages reserved
[  380.178718]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  380.182571] 0 pages cma reserved
[  380.186521]  ? __lock_acquire+0x62f/0x4c20
[  380.190093] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  380.195019]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  380.198349] ksoftirqd/0 cpuset=/ mems_allowed=0
[  380.202557]  ? __lock_acquire+0x62f/0x4c20
[  380.202570]  ? should_fail+0x22d/0xd01
[  380.230651]  ? find_held_lock+0x36/0x1c0
[  380.234704]  ? mark_held_locks+0x130/0x130
[  380.238928]  ? mark_held_locks+0x130/0x130
[  380.243153]  ? zap_class+0x640/0x640
[  380.246855]  ? zap_class+0x640/0x640
[  380.250558]  ? print_usage_bug+0xc0/0xc0
[  380.254606]  ? do_raw_spin_unlock+0xa7/0x330
[  380.259001]  ? zap_class+0x640/0x640
[  380.262703]  ? print_usage_bug+0xc0/0xc0
[  380.266751]  ? wq_watchdog_touch+0x9c/0xfe
[  380.270979]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.276502]  ? check_preemption_disabled+0x48/0x280
[  380.281511]  ? __lock_is_held+0xb5/0x140
[  380.285562]  __alloc_pages_nodemask+0xad8/0xea0
[  380.290224]  ? zap_class+0x640/0x640
[  380.293930]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  380.298946]  ? find_held_lock+0x36/0x1c0
[  380.303002]  ? ____cache_alloc_node+0x1c7/0x1e0
[  380.307661]  ? lock_downgrade+0x900/0x900
[  380.311802]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.317496]  cache_grow_begin+0xa5/0x8c0
[  380.321545]  ? do_raw_spin_unlock+0xa7/0x330
[  380.325955]  fallback_alloc+0x204/0x2e0
[  380.329919]  ____cache_alloc_node+0x1c7/0x1e0
[  380.334408]  kmem_cache_alloc_node+0xe3/0x730
[  380.338898]  ? ipv6_get_ifaddr+0x42e/0x620
[  380.343126]  __alloc_skb+0x119/0x770
[  380.346827]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  380.352096]  ? netdev_alloc_frag+0x1f0/0x1f0
[  380.356488]  ? lock_downgrade+0x900/0x900
[  380.360632]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.366156]  ? refcount_sub_and_test_checked+0x203/0x310
[  380.371600]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  380.377035]  ? addrconf_rs_timer+0x690/0x690
[  380.381447]  ndisc_alloc_skb+0x144/0x340
[  380.385500]  ndisc_send_rs+0x331/0x6e0
[  380.389381]  addrconf_rs_timer+0x314/0x690
[  380.393614]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.397848]  call_timer_fn+0x272/0x920
[  380.401720]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.405947]  ? process_timeout+0x40/0x40
[  380.410001]  ? __run_timers+0x7da/0xc70
[  380.413966]  ? _raw_spin_unlock_irq+0x27/0x80
[  380.418455]  ? _raw_spin_unlock_irq+0x27/0x80
[  380.422935]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.427156]  ? lockdep_hardirqs_on+0x296/0x5b0
[  380.431724]  ? trace_hardirqs_on+0xbd/0x310
[  380.436032]  ? kasan_check_read+0x11/0x20
[  380.440165]  ? __run_timers+0x7da/0xc70
[  380.444127]  ? trace_hardirqs_off_caller+0x310/0x310
[  380.449220]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.453453]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.457677]  __run_timers+0x7e5/0xc70
[  380.461474]  ? timer_fixup_init+0x70/0x70
[  380.465615]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  380.470621]  ? zap_class+0x640/0x640
[  380.474332]  ? enqueue_hrtimer+0x1a5/0x560
[  380.478558]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  380.484214]  ? find_held_lock+0x36/0x1c0
[  380.488273]  ? zap_class+0x640/0x640
[  380.491986]  ? pvclock_read_flags+0x160/0x160
[  380.496475]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.502002]  ? check_preemption_disabled+0x48/0x280
[  380.507013]  ? __lock_is_held+0xb5/0x140
[  380.511067]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.516599]  ? check_preemption_disabled+0x48/0x280
[  380.521619]  run_timer_softirq+0x52/0xb0
[  380.525669]  ? rcu_read_lock_sched_held+0x14f/0x180
[  380.530674]  __do_softirq+0x308/0xb7e
[  380.534462]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  380.538945]  ? lock_downgrade+0x900/0x900
[  380.543085]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  380.548190]  ? pvclock_read_flags+0x160/0x160
[  380.552692]  ? lapic_next_event+0x5a/0x90
[  380.556825]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.562354]  ? kvm_clock_read+0x18/0x30
[  380.566316]  ? kvm_sched_clock_read+0x9/0x20
[  380.570711]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.576233]  ? check_preemption_disabled+0x48/0x280
[  380.581246]  irq_exit+0x17f/0x1c0
[  380.584686]  smp_apic_timer_interrupt+0x1cb/0x760
[  380.589514]  ? smp_reschedule_interrupt+0x109/0x650
[  380.594518]  ? smp_call_function_single_interrupt+0x650/0x650
[  380.600510]  ? interrupt_entry+0xb5/0xc0
[  380.604558]  ? trace_hardirqs_off_caller+0xbb/0x310
[  380.609560]  ? trace_hardirqs_off_caller+0xbb/0x310
[  380.614564]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  380.619396]  ? trace_hardirqs_on_caller+0x310/0x310
[  380.624404]  ? trace_hardirqs_on_caller+0x310/0x310
[  380.629422]  ? task_prio+0x50/0x50
[  380.632952]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.638480]  ? check_preemption_disabled+0x48/0x280
[  380.643487]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  380.648327]  apic_timer_interrupt+0xf/0x20
[  380.652642]  </IRQ>
[  380.654873] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  380.660748] Code: 3e 7e 0f 85 32 ff ff ff e8 03 6a 3d ff e9 28 ff ff ff e8 4a 99 c2 ff 48 83 3d c2 ed 8e 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 ca 05
[  380.679637] RSP: 0018:ffff888198b071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  380.687331] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  380.694584] RDX: 0000000000000000 RSI: ffff8881bbc289c0 RDI: 0000000000000286
[  380.701843] RBP: ffff888198b07250 R08: ffff8881bbc28140 R09: 0000000000000000
[  380.709098] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800940
[  380.716358] R13: ffff8881da800940 R14: 0000000000000000 R15: 0000000000000286
[  380.723636]  ? save_stack+0xa9/0xd0
[  380.727255]  __kmalloc_node_track_caller+0x3c/0x70
[  380.732180]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  380.736926]  pskb_expand_head+0x230/0x10f0
[  380.741161]  ? memcpy+0x45/0x50
[  380.744433]  ? __copy_skb_header+0x350/0x6b0
[  380.748829]  ? skb_release_data+0x9a0/0x9a0
[  380.753139]  ? __alloc_skb+0x770/0x770
[  380.757033]  ? __lock_is_held+0xb5/0x140
[  380.761083]  ? kasan_check_write+0x14/0x20
[  380.765305]  ? __skb_clone+0x6c7/0xa00
[  380.769196]  ? __copy_skb_header+0x6b0/0x6b0
[  380.773609]  ? kmem_cache_alloc+0x33a/0x730
[  380.777923]  skb_ensure_writable+0x3dd/0x640
[  380.782329]  ? skb_checksum_setup+0xaa0/0xaa0
[  380.786808]  ? check_preemption_disabled+0x48/0x280
[  380.791820]  ? __this_cpu_preempt_check+0x1c/0x20
[  380.796648]  ? __bpf_redirect+0x55b/0xb60
[  380.800805]  bpf_clone_redirect+0x14a/0x490
[  380.805118]  bpf_prog_88483476fbe68a28+0x6f0/0x1000
[  380.810122]  ? __sched_text_start+0x8/0x8
[  380.814267]  ? find_held_lock+0x36/0x1c0
[  380.818320]  ? lock_acquire+0x1ed/0x520
[  380.822279]  ? bpf_test_run+0x3ee/0x7a0
[  380.826239]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.831760]  ? check_preemption_disabled+0x48/0x280
[  380.836772]  ? kasan_check_read+0x11/0x20
[  380.840910]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  380.846178]  ? rcu_softirq_qs+0x20/0x20
[  380.850140]  ? preempt_schedule+0x4d/0x60
[  380.854282]  ? ___preempt_schedule+0x16/0x18
[  380.858706]  ? bpf_test_run+0x271/0x7a0
[  380.862684]  ? netlink_diag_dump+0x2a0/0x2a0
[  380.867089]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  380.872611]  ? bpf_test_init.isra.10+0x70/0x100
[  380.877273]  ? bpf_prog_test_run_skb+0x762/0xd90
[  380.882022]  ? bpf_test_finish.isra.9+0x260/0x260
[  380.886855]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  380.892391]  ? fput+0x130/0x1a0
[  380.895675]  ? __bpf_prog_get+0x9b/0x290
[  380.899729]  ? bpf_test_finish.isra.9+0x260/0x260
[  380.904559]  ? __do_sys_bpf+0x1898/0x4570
[  380.908699]  ? bpf_prog_load+0x1db0/0x1db0
[  380.912932]  ? find_held_lock+0x36/0x1c0
[  380.916987]  ? __might_fault+0x12b/0x1e0
[  380.921035]  ? lock_downgrade+0x900/0x900
[  380.925175]  ? lock_release+0xa00/0xa00
[  380.929133]  ? perf_trace_sched_process_exec+0x860/0x860
[  380.934575]  ? posix_ktime_get_ts+0x15/0x20
[  380.938888]  ? trace_hardirqs_off_caller+0x310/0x310
[  380.943994]  ? kasan_check_read+0x11/0x20
[  380.948217]  ? _copy_to_user+0xc8/0x110
[  380.952183]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  380.957730]  ? put_timespec64+0x10f/0x1b0
[  380.961865]  ? nsecs_to_jiffies+0x30/0x30
[  380.966012]  ? trace_hardirqs_off_caller+0x310/0x310
[  380.971105]  ? __x64_sys_bpf+0x73/0xb0
[  380.975097]  ? do_syscall_64+0x1b9/0x820
[  380.979151]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  380.984503]  ? syscall_return_slowpath+0x5e0/0x5e0
[  380.989418]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  380.994250]  ? trace_hardirqs_on_caller+0x310/0x310
[  380.999254]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  381.004261]  ? prepare_exit_to_usermode+0x291/0x3b0
[  381.009267]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  381.014103]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  381.019487] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #181
[  381.019581] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  381.026315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  381.026319] Call Trace:
[  381.026335]  dump_stack+0x244/0x39d
[  381.026352]  ? dump_stack_print_info.cold.1+0x20/0x20
[  381.032932] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  381.042151]  warn_alloc.cold.116+0xb7/0x1bd
[  381.044702] syz-executor0 cpuset=syz0 mems_allowed=0
[  381.048312]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  381.078127]  ? lock_downgrade+0x900/0x900
[  381.082265]  ? trace_hardirqs_off+0xb8/0x310
[  381.086677]  ? trace_hardirqs_off+0xb8/0x310
[  381.091077]  __alloc_pages_slowpath+0x2651/0x2de0
[  381.095926]  ? warn_alloc+0x120/0x120
[  381.099719]  ? warn_alloc+0x120/0x120
[  381.103509]  ? warn_alloc+0x120/0x120
[  381.107294]  ? warn_alloc+0x120/0x120
[  381.111088]  ? print_usage_bug+0xc0/0xc0
[  381.115133]  ? print_usage_bug+0xc0/0xc0
[  381.119184]  ? print_usage_bug+0xc0/0xc0
[  381.123244]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  381.128766]  ? should_fail+0x22d/0xd01
[  381.132643]  ? __lock_acquire+0x62f/0x4c20
[  381.136953]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  381.142041]  ? __lock_acquire+0x62f/0x4c20
[  381.146264]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  381.151354]  ? __lock_acquire+0x62f/0x4c20
[  381.155579]  ? should_fail+0x22d/0xd01
[  381.159463]  ? mark_held_locks+0x130/0x130
[  381.163691]  ? mark_held_locks+0x130/0x130
[  381.167909]  ? zap_class+0x640/0x640
[  381.171609]  ? kasan_check_read+0x11/0x20
[  381.175747]  ? __lock_acquire+0x2aff/0x4c20
[  381.180056]  ? zap_class+0x640/0x640
[  381.183759]  ? print_usage_bug+0xc0/0xc0
[  381.187809]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.193336]  ? check_preemption_disabled+0x48/0x280
[  381.198346]  ? __lock_is_held+0xb5/0x140
[  381.202406]  __alloc_pages_nodemask+0xad8/0xea0
[  381.207058]  ? zap_class+0x640/0x640
[  381.210851]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  381.215862]  ? find_held_lock+0x36/0x1c0
[  381.219922]  ? ____cache_alloc_node+0x1c7/0x1e0
[  381.224584]  ? lock_downgrade+0x900/0x900
[  381.228723]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.234252]  cache_grow_begin+0xa5/0x8c0
[  381.238298]  ? do_raw_spin_unlock+0xa7/0x330
[  381.242696]  fallback_alloc+0x204/0x2e0
[  381.246660]  ____cache_alloc_node+0x1c7/0x1e0
[  381.251149]  kmem_cache_alloc_node+0xe3/0x730
[  381.255649]  ? ipv6_get_ifaddr+0x42e/0x620
[  381.259878]  __alloc_skb+0x119/0x770
[  381.263577]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  381.268845]  ? netdev_alloc_frag+0x1f0/0x1f0
[  381.273354]  ? lock_downgrade+0x900/0x900
[  381.277502]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.283025]  ? refcount_sub_and_test_checked+0x203/0x310
[  381.288464]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  381.293925]  ? addrconf_rs_timer+0x690/0x690
[  381.298331]  ndisc_alloc_skb+0x144/0x340
[  381.302388]  ndisc_send_rs+0x331/0x6e0
[  381.306265]  addrconf_rs_timer+0x314/0x690
[  381.310488]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  381.314719]  call_timer_fn+0x272/0x920
[  381.318594]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  381.322819]  ? process_timeout+0x40/0x40
[  381.326870]  ? __run_timers+0x7da/0xc70
[  381.330839]  ? _raw_spin_unlock_irq+0x27/0x80
[  381.335321]  ? _raw_spin_unlock_irq+0x27/0x80
[  381.339805]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  381.344027]  ? lockdep_hardirqs_on+0x296/0x5b0
[  381.348598]  ? trace_hardirqs_on+0xbd/0x310
[  381.352907]  ? kasan_check_read+0x11/0x20
[  381.357036]  ? __run_timers+0x7da/0xc70
[  381.360997]  ? trace_hardirqs_off_caller+0x310/0x310
[  381.366097]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  381.370318]  __run_timers+0x7e5/0xc70
[  381.374113]  ? timer_fixup_init+0x70/0x70
[  381.378259]  ? _raw_spin_unlock_irq+0x27/0x80
[  381.382739]  ? _raw_spin_unlock_irq+0x27/0x80
[  381.387218]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  381.391798]  ? trace_hardirqs_on+0xbd/0x310
[  381.396123]  ? kasan_check_read+0x11/0x20
[  381.400264]  ? finish_task_switch+0x1f4/0x910
[  381.404763]  ? trace_hardirqs_off_caller+0x310/0x310
[  381.409854]  ? compat_start_thread+0x80/0x80
[  381.414270]  ? pvclock_read_flags+0x160/0x160
[  381.418750]  ? __switch_to_asm+0x34/0x70
[  381.422797]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.428323]  ? check_preemption_disabled+0x48/0x280
[  381.433446]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  381.438979]  ? rcu_pm_notify+0xc0/0xc0
[  381.442859]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.448391]  ? check_preemption_disabled+0x48/0x280
[  381.453398]  run_timer_softirq+0x52/0xb0
[  381.457450]  ? rcu_read_lock_sched_held+0x14f/0x180
[  381.462463]  __do_softirq+0x308/0xb7e
[  381.466252]  ? retint_kernel+0x2d/0x2d
[  381.470129]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  381.475220]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  381.480670]  ? rcu_irq_enter+0x18c/0x310
[  381.484723]  ? schedule+0x108/0x460
[  381.488339]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  381.493091]  ? trace_hardirqs_off+0xb8/0x310
[  381.497574]  ? smpboot_thread_fn+0x68b/0xa00
[  381.501983]  ? trace_hardirqs_on+0x310/0x310
[  381.506379]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  381.511905]  ? check_preemption_disabled+0x48/0x280
[  381.516914]  ? takeover_tasklets+0xa90/0xa90
[  381.521310]  run_ksoftirqd+0x5e/0x100
[  381.525104]  smpboot_thread_fn+0x68b/0xa00
[  381.529333]  ? sort_range+0x30/0x30
[  381.532951]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  381.538037]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  381.543560]  ? __kthread_parkme+0xfb/0x1a0
[  381.547797]  ? sort_range+0x30/0x30
[  381.551408]  kthread+0x35a/0x440
[  381.554775]  ? kthread_stop+0x900/0x900
[  381.558755]  ret_from_fork+0x3a/0x50
[  381.562467] CPU: 1 PID: 16176 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #181
[  381.562471] warn_alloc_show_mem: 1 callbacks suppressed
[  381.562476] Mem-Info:
[  381.569814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  381.575168] active_anon:54949 inactive_anon:10067 isolated_anon:0
[  381.575168]  active_file:12 inactive_file:12 isolated_file:0
[  381.575168]  unevictable:0 dirty:0 writeback:0 unstable:0
[  381.575168]  slab_reclaimable:9454 slab_unreclaimable:1442611
[  381.575168]  mapped:40962 shmem:10230 pagetables:596 bounce:0
[  381.575168]  free:13765 free_pcp:525 free_cma:0
[  381.577527] Call Trace:
[  381.586889] Node 0 active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:40920kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 202752kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  381.620069]  <IRQ>
[  381.622623] 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
[  381.650447]  dump_stack+0x244/0x39d
[  381.652559] lowmem_reserve[]: 0 2818 6321 6321
[  381.678651]  ? dump_stack_print_info.cold.1+0x20/0x20
[  381.682243] Node 0 DMA32 free:25248kB 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:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  381.686811]  warn_alloc.cold.116+0xb7/0x1bd
[  381.691959] lowmem_reserve[]: 0 0 3503 3503
[  381.719352]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  381.723636] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2384kB bounce:0kB free_pcp:1852kB local_pcp:1500kB free_cma:0kB
[  381.727939]  ? lock_downgrade+0x900/0x900
[  381.732743] lowmem_reserve[]: 0 0 0 0
[  381.761959]  ? trace_hardirqs_off+0xb8/0x310
[  381.766087] 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
[  381.769875]  ? trace_hardirqs_off+0xb8/0x310
[  381.774247] Node 0 DMA32: 4*4kB (UM) 0*8kB 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB
[  381.787754]  __alloc_pages_slowpath+0x2651/0x2de0
[  381.792121] Node 0 Normal: 1308*4kB (ME) 392*8kB (UME) 140*16kB (ME) 47*32kB (ME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  381.807033]  ? warn_alloc+0x120/0x120
[  381.811831] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  381.826453]  ? print_usage_bug+0xc0/0xc0
[  381.830223] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  381.839032]  ? warn_alloc+0x120/0x120
[  381.843059] 10254 total pagecache pages
[  381.851614]  ? warn_alloc+0x120/0x120
[  381.855483] 0 pages in swap cache
[  381.859430]  ? print_usage_bug+0xc0/0xc0
[  381.863199] Swap cache stats: add 0, delete 0, find 0/0
[  381.866627]  ? print_usage_bug+0xc0/0xc0
[  381.870652] Free swap  = 0kB
[  381.875994]  ? __lock_acquire+0x62f/0x4c20
[  381.880017] Total swap = 0kB
[  381.883106]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  381.887315] 1965979 pages RAM
[  381.890315]  ? should_fail+0x22d/0xd01
[  381.895817] 0 pages HighMem/MovableOnly
[  381.898899]  ? __lock_acquire+0x62f/0x4c20
[  381.902745] 342853 pages reserved
[  381.902751] 0 pages cma reserved
[  381.906702]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  381.910960] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  381.914341]  ? __lock_acquire+0x62f/0x4c20
[  381.917740] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  381.922760]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  381.929214] ksoftirqd/0 cpuset=/ mems_allowed=0
[  381.933423]  ? __lock_acquire+0x62f/0x4c20
[  381.933435]  ? should_fail+0x22d/0xd01
[  381.961514]  ? mark_held_locks+0x130/0x130
[  381.965738]  ? mark_held_locks+0x130/0x130
[  381.969958]  ? zap_class+0x640/0x640
[  381.973663]  ? zap_class+0x640/0x640
[  381.977360]  ? print_usage_bug+0xc0/0xc0
[  381.981403]  ? wq_watchdog_touch+0x9c/0xfe
[  381.985625]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.991152]  ? check_preemption_disabled+0x48/0x280
[  381.996164]  ? __lock_is_held+0xb5/0x140
[  382.000214]  __alloc_pages_nodemask+0xad8/0xea0
[  382.004870]  ? zap_class+0x640/0x640
[  382.008573]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  382.013584]  ? find_held_lock+0x36/0x1c0
[  382.017636]  ? ____cache_alloc_node+0x1c7/0x1e0
[  382.022293]  ? lock_downgrade+0x900/0x900
[  382.026435]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.031963]  cache_grow_begin+0xa5/0x8c0
[  382.036017]  ? do_raw_spin_unlock+0xa7/0x330
[  382.040418]  fallback_alloc+0x204/0x2e0
[  382.044383]  ____cache_alloc_node+0x1c7/0x1e0
[  382.048865]  kmem_cache_alloc_node+0xe3/0x730
[  382.053346]  ? ipv6_get_ifaddr+0x42e/0x620
[  382.057573]  __alloc_skb+0x119/0x770
[  382.061273]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  382.066540]  ? netdev_alloc_frag+0x1f0/0x1f0
[  382.070931]  ? lock_downgrade+0x900/0x900
[  382.075071]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.080596]  ? refcount_sub_and_test_checked+0x203/0x310
[  382.086034]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  382.091472]  ? addrconf_rs_timer+0x690/0x690
[  382.095876]  ndisc_alloc_skb+0x144/0x340
[  382.099929]  ndisc_send_rs+0x331/0x6e0
[  382.103808]  addrconf_rs_timer+0x314/0x690
[  382.108035]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.112264]  call_timer_fn+0x272/0x920
[  382.116141]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.120365]  ? process_timeout+0x40/0x40
[  382.124415]  ? __run_timers+0x7da/0xc70
[  382.128379]  ? _raw_spin_unlock_irq+0x27/0x80
[  382.132861]  ? _raw_spin_unlock_irq+0x27/0x80
[  382.137339]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.141562]  ? lockdep_hardirqs_on+0x296/0x5b0
[  382.146216]  ? trace_hardirqs_on+0xbd/0x310
[  382.150524]  ? kasan_check_read+0x11/0x20
[  382.154657]  ? __run_timers+0x7da/0xc70
[  382.158626]  ? trace_hardirqs_off_caller+0x310/0x310
[  382.163724]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.167945]  __run_timers+0x7e5/0xc70
[  382.171737]  ? timer_fixup_init+0x70/0x70
[  382.175872]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  382.180876]  ? zap_class+0x640/0x640
[  382.184579]  ? enqueue_hrtimer+0x1a5/0x560
[  382.188803]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  382.193981]  ? find_held_lock+0x36/0x1c0
[  382.198030]  ? zap_class+0x640/0x640
[  382.201739]  ? pvclock_read_flags+0x160/0x160
[  382.206221]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.211742]  ? check_preemption_disabled+0x48/0x280
[  382.216753]  ? __lock_is_held+0xb5/0x140
[  382.220800]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.226327]  ? check_preemption_disabled+0x48/0x280
[  382.231329]  run_timer_softirq+0x52/0xb0
[  382.235374]  ? rcu_read_lock_sched_held+0x14f/0x180
[  382.240463]  __do_softirq+0x308/0xb7e
[  382.244253]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  382.248734]  ? lock_downgrade+0x900/0x900
[  382.252874]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  382.257981]  ? pvclock_read_flags+0x160/0x160
[  382.262464]  ? lapic_next_event+0x5a/0x90
[  382.266597]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.272121]  ? kvm_clock_read+0x18/0x30
[  382.276081]  ? kvm_sched_clock_read+0x9/0x20
[  382.280477]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.285997]  ? check_preemption_disabled+0x48/0x280
[  382.291006]  irq_exit+0x17f/0x1c0
[  382.294793]  smp_apic_timer_interrupt+0x1cb/0x760
[  382.299620]  ? smp_reschedule_interrupt+0x109/0x650
[  382.304623]  ? smp_call_function_single_interrupt+0x650/0x650
[  382.310491]  ? interrupt_entry+0xb5/0xc0
[  382.314696]  ? trace_hardirqs_off_caller+0xbb/0x310
[  382.319700]  ? trace_hardirqs_off_caller+0xbb/0x310
[  382.324708]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  382.329536]  ? trace_hardirqs_on_caller+0x310/0x310
[  382.334548]  ? trace_hardirqs_on_caller+0x310/0x310
[  382.339552]  ? task_prio+0x50/0x50
[  382.343080]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.348637]  ? check_preemption_disabled+0x48/0x280
[  382.353642]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  382.358489]  apic_timer_interrupt+0xf/0x20
[  382.362704]  </IRQ>
[  382.364930] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  382.370798] Code: 3e 7e 0f 85 32 ff ff ff e8 03 6a 3d ff e9 28 ff ff ff e8 4a 99 c2 ff 48 83 3d c2 ed 8e 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 ca 05
[  382.389682] RSP: 0018:ffff888198b071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  382.397383] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  382.404636] RDX: 0000000000000000 RSI: ffff8881bbc289c0 RDI: 0000000000000286
[  382.411891] RBP: ffff888198b07250 R08: ffff8881bbc28140 R09: 0000000000000000
[  382.419141] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800940
[  382.426392] R13: ffff8881da800940 R14: 0000000000000000 R15: 0000000000000286
[  382.433664]  ? save_stack+0xa9/0xd0
[  382.437290]  __kmalloc_node_track_caller+0x3c/0x70
[  382.442210]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  382.446953]  pskb_expand_head+0x230/0x10f0
[  382.451178]  ? memcpy+0x45/0x50
[  382.454447]  ? __copy_skb_header+0x350/0x6b0
[  382.458841]  ? skb_release_data+0x9a0/0x9a0
[  382.463154]  ? __alloc_skb+0x770/0x770
[  382.467037]  ? __lock_is_held+0xb5/0x140
[  382.471092]  ? kasan_check_write+0x14/0x20
[  382.475309]  ? __skb_clone+0x6c7/0xa00
[  382.479186]  ? __copy_skb_header+0x6b0/0x6b0
[  382.484062]  ? kmem_cache_alloc+0x33a/0x730
[  382.488385]  skb_ensure_writable+0x3dd/0x640
[  382.492790]  ? skb_checksum_setup+0xaa0/0xaa0
[  382.497275]  ? check_preemption_disabled+0x48/0x280
[  382.502296]  ? __this_cpu_preempt_check+0x1c/0x20
[  382.507129]  ? __bpf_redirect+0x55b/0xb60
[  382.511274]  bpf_clone_redirect+0x14a/0x490
[  382.515599]  bpf_prog_88483476fbe68a28+0x6f0/0x1000
[  382.520607]  ? __sched_text_start+0x8/0x8
[  382.524757]  ? find_held_lock+0x36/0x1c0
[  382.528811]  ? lock_acquire+0x1ed/0x520
[  382.532774]  ? bpf_test_run+0x3ee/0x7a0
[  382.536736]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.542287]  ? check_preemption_disabled+0x48/0x280
[  382.547321]  ? kasan_check_read+0x11/0x20
[  382.551457]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  382.556720]  ? rcu_softirq_qs+0x20/0x20
[  382.560691]  ? preempt_schedule+0x4d/0x60
[  382.564835]  ? ___preempt_schedule+0x16/0x18
[  382.569241]  ? bpf_test_run+0x271/0x7a0
[  382.573213]  ? netlink_diag_dump+0x2a0/0x2a0
[  382.577613]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  382.583133]  ? bpf_test_init.isra.10+0x70/0x100
[  382.587795]  ? bpf_prog_test_run_skb+0x762/0xd90
[  382.592549]  ? bpf_test_finish.isra.9+0x260/0x260
[  382.597384]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  382.602911]  ? fput+0x130/0x1a0
[  382.606177]  ? __bpf_prog_get+0x9b/0x290
[  382.610227]  ? bpf_test_finish.isra.9+0x260/0x260
[  382.615061]  ? __do_sys_bpf+0x1898/0x4570
[  382.619207]  ? bpf_prog_load+0x1db0/0x1db0
[  382.623429]  ? find_held_lock+0x36/0x1c0
[  382.627488]  ? __might_fault+0x12b/0x1e0
[  382.631539]  ? lock_downgrade+0x900/0x900
[  382.635675]  ? lock_release+0xa00/0xa00
[  382.639633]  ? perf_trace_sched_process_exec+0x860/0x860
[  382.645067]  ? posix_ktime_get_ts+0x15/0x20
[  382.649373]  ? trace_hardirqs_off_caller+0x310/0x310
[  382.654473]  ? kasan_check_read+0x11/0x20
[  382.658608]  ? _copy_to_user+0xc8/0x110
[  382.662569]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  382.668094]  ? put_timespec64+0x10f/0x1b0
[  382.672231]  ? nsecs_to_jiffies+0x30/0x30
[  382.676375]  ? trace_hardirqs_off_caller+0x310/0x310
[  382.681465]  ? __x64_sys_bpf+0x73/0xb0
[  382.685341]  ? do_syscall_64+0x1b9/0x820
[  382.689390]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  382.694741]  ? syscall_return_slowpath+0x5e0/0x5e0
[  382.699656]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  382.704487]  ? trace_hardirqs_on_caller+0x310/0x310
[  382.709486]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  382.714489]  ? prepare_exit_to_usermode+0x291/0x3b0
[  382.719513]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  382.724345]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  382.729706] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #181
[  382.729778] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  382.736535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  382.736539] Call Trace:
[  382.736554]  dump_stack+0x244/0x39d
[  382.736571]  ? dump_stack_print_info.cold.1+0x20/0x20
[  382.743085] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  382.752371]  warn_alloc.cold.116+0xb7/0x1bd
[  382.754917] syz-executor0 cpuset=syz0 mems_allowed=0
[  382.758525]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  382.788324]  ? lock_downgrade+0x900/0x900
[  382.792463]  ? trace_hardirqs_off+0xb8/0x310
[  382.796863]  ? trace_hardirqs_off+0xb8/0x310
[  382.801266]  __alloc_pages_slowpath+0x2651/0x2de0
[  382.806135]  ? warn_alloc+0x120/0x120
[  382.809929]  ? print_usage_bug+0xc0/0xc0
[  382.813978]  ? warn_alloc+0x120/0x120
[  382.817769]  ? warn_alloc+0x120/0x120
[  382.821558]  ? print_usage_bug+0xc0/0xc0
[  382.825606]  ? print_usage_bug+0xc0/0xc0
[  382.829656]  ? __lock_acquire+0x62f/0x4c20
[  382.833883]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  382.839407]  ? should_fail+0x22d/0xd01
[  382.843292]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  382.848385]  ? __lock_acquire+0x62f/0x4c20
[  382.852618]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  382.857713]  ? __lock_acquire+0x62f/0x4c20
[  382.861937]  ? should_fail+0x22d/0xd01
[  382.865820]  ? find_held_lock+0x36/0x1c0
[  382.869878]  ? mark_held_locks+0x130/0x130
[  382.874140]  ? mark_held_locks+0x130/0x130
[  382.878364]  ? zap_class+0x640/0x640
[  382.882074]  ? mark_held_locks+0xc7/0x130
[  382.886214]  ? do_raw_spin_unlock+0xa7/0x330
[  382.890610]  ? zap_class+0x640/0x640
[  382.894308]  ? print_usage_bug+0xc0/0xc0
[  382.898356]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.903902]  ? check_preemption_disabled+0x48/0x280
[  382.908920]  ? __lock_is_held+0xb5/0x140
[  382.912971]  __alloc_pages_nodemask+0xad8/0xea0
[  382.917628]  ? zap_class+0x640/0x640
[  382.921332]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  382.926344]  ? find_held_lock+0x36/0x1c0
[  382.930400]  ? ____cache_alloc_node+0x1c7/0x1e0
[  382.935069]  ? lock_downgrade+0x900/0x900
[  382.939212]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.944736]  cache_grow_begin+0xa5/0x8c0
[  382.948780]  ? do_raw_spin_unlock+0xa7/0x330
[  382.953186]  fallback_alloc+0x204/0x2e0
[  382.957165]  ____cache_alloc_node+0x1c7/0x1e0
[  382.961662]  kmem_cache_alloc_node+0xe3/0x730
[  382.966145]  ? ipv6_get_ifaddr+0x42e/0x620
[  382.970370]  __alloc_skb+0x119/0x770
[  382.974066]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  382.979334]  ? netdev_alloc_frag+0x1f0/0x1f0
[  382.983741]  ? lock_downgrade+0x900/0x900
[  382.987883]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.993405]  ? refcount_sub_and_test_checked+0x203/0x310
[  382.998843]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  383.004294]  ? addrconf_rs_timer+0x690/0x690
[  383.008703]  ndisc_alloc_skb+0x144/0x340
[  383.012757]  ndisc_send_rs+0x331/0x6e0
[  383.016644]  addrconf_rs_timer+0x314/0x690
[  383.020869]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.025099]  call_timer_fn+0x272/0x920
[  383.028986]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.033211]  ? process_timeout+0x40/0x40
[  383.037279]  ? __run_timers+0x7da/0xc70
[  383.041270]  ? _raw_spin_unlock_irq+0x27/0x80
[  383.045782]  ? _raw_spin_unlock_irq+0x27/0x80
[  383.050272]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.054504]  ? lockdep_hardirqs_on+0x296/0x5b0
[  383.059079]  ? trace_hardirqs_on+0xbd/0x310
[  383.063408]  ? kasan_check_read+0x11/0x20
[  383.067547]  ? __run_timers+0x7da/0xc70
[  383.071514]  ? trace_hardirqs_off_caller+0x310/0x310
[  383.076609]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.080833]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.085052]  __run_timers+0x7e5/0xc70
[  383.088846]  ? timer_fixup_init+0x70/0x70
[  383.093001]  ? _raw_spin_unlock_irq+0x27/0x80
[  383.097481]  ? _raw_spin_unlock_irq+0x27/0x80
[  383.101965]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  383.106540]  ? trace_hardirqs_on+0xbd/0x310
[  383.110848]  ? kasan_check_read+0x11/0x20
[  383.114986]  ? finish_task_switch+0x1f4/0x910
[  383.119475]  ? trace_hardirqs_off_caller+0x310/0x310
[  383.124568]  ? compat_start_thread+0x80/0x80
[  383.128976]  ? pvclock_read_flags+0x160/0x160
[  383.133454]  ? __switch_to_asm+0x34/0x70
[  383.137508]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.143033]  ? check_preemption_disabled+0x48/0x280
[  383.148040]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  383.153565]  ? rcu_pm_notify+0xc0/0xc0
[  383.157441]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.162964]  ? check_preemption_disabled+0x48/0x280
[  383.167969]  run_timer_softirq+0x52/0xb0
[  383.172013]  ? rcu_read_lock_sched_held+0x14f/0x180
[  383.177018]  __do_softirq+0x308/0xb7e
[  383.180806]  ? retint_kernel+0x2d/0x2d
[  383.184766]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  383.189856]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  383.195296]  ? rcu_irq_enter+0x18c/0x310
[  383.199347]  ? schedule+0x108/0x460
[  383.202981]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  383.207731]  ? trace_hardirqs_off+0xb8/0x310
[  383.212123]  ? smpboot_thread_fn+0x68b/0xa00
[  383.216519]  ? trace_hardirqs_on+0x310/0x310
[  383.220912]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  383.226431]  ? check_preemption_disabled+0x48/0x280
[  383.231436]  ? takeover_tasklets+0xa90/0xa90
[  383.235828]  run_ksoftirqd+0x5e/0x100
[  383.239614]  smpboot_thread_fn+0x68b/0xa00
[  383.243835]  ? sort_range+0x30/0x30
[  383.247450]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  383.252537]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  383.258060]  ? __kthread_parkme+0xfb/0x1a0
[  383.262282]  ? sort_range+0x30/0x30
[  383.265898]  kthread+0x35a/0x440
[  383.269253]  ? kthread_stop+0x900/0x900
[  383.273214]  ret_from_fork+0x3a/0x50
[  383.276932] CPU: 1 PID: 16176 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #181
[  383.276936] warn_alloc_show_mem: 1 callbacks suppressed
[  383.276941] Mem-Info:
[  383.284280] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  383.289633] active_anon:54949 inactive_anon:10067 isolated_anon:0
[  383.289633]  active_file:12 inactive_file:12 isolated_file:0
[  383.289633]  unevictable:0 dirty:0 writeback:0 unstable:0
[  383.289633]  slab_reclaimable:9454 slab_unreclaimable:1442611
[  383.289633]  mapped:40962 shmem:10230 pagetables:596 bounce:0
[  383.289633]  free:13765 free_pcp:525 free_cma:0
[  383.291997] Call Trace:
[  383.301362] Node 0 active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:40920kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 202752kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  383.334545]  <IRQ>
[  383.337102] 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
[  383.365012]  dump_stack+0x244/0x39d
[  383.367125] lowmem_reserve[]: 0 2818 6321 6321
[  383.393220]  ? dump_stack_print_info.cold.1+0x20/0x20
[  383.396811] Node 0 DMA32 free:25248kB 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:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  383.401385]  warn_alloc.cold.116+0xb7/0x1bd
[  383.406530] lowmem_reserve[]: 0 0 3503 3503
[  383.433830]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  383.438115] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2384kB bounce:0kB free_pcp:1852kB local_pcp:1500kB free_cma:0kB
[  383.442421]  ? lock_downgrade+0x900/0x900
[  383.447233] lowmem_reserve[]: 0 0 0 0
[  383.476445]  ? trace_hardirqs_off+0xb8/0x310
[  383.480555] 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
[  383.484350]  ? trace_hardirqs_off+0xb8/0x310
[  383.488726] Node 0 DMA32: 4*4kB (UM) 0*8kB 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB
[  383.502240]  __alloc_pages_slowpath+0x2651/0x2de0
[  383.506610] Node 0 Normal: 1308*4kB (ME) 392*8kB (UME) 140*16kB (ME) 47*32kB (ME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  383.521519]  ? warn_alloc+0x120/0x120
[  383.526314] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  383.540940]  ? print_usage_bug+0xc0/0xc0
[  383.544712] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  383.553523]  ? warn_alloc+0x120/0x120
[  383.557550] 10254 total pagecache pages
[  383.566105]  ? warn_alloc+0x120/0x120
[  383.569880] 0 pages in swap cache
[  383.573828]  ? print_usage_bug+0xc0/0xc0
[  383.577598] Swap cache stats: add 0, delete 0, find 0/0
[  383.581028]  ? print_usage_bug+0xc0/0xc0
[  383.585053] Free swap  = 0kB
[  383.590394]  ? __lock_acquire+0x62f/0x4c20
[  383.594418] Total swap = 0kB
[  383.597424]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  383.601626] 1965979 pages RAM
[  383.604643]  ? should_fail+0x22d/0xd01
[  383.610138] 0 pages HighMem/MovableOnly
[  383.610144] 342853 pages reserved
[  383.613232]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  383.617086] 0 pages cma reserved
[  383.621048]  ? __lock_acquire+0x62f/0x4c20
[  383.624552] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  383.629554]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  383.632938] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  383.637098]  ? __lock_acquire+0x62f/0x4c20
[  383.643556] ksoftirqd/0 cpuset=/ mems_allowed=0
[  383.648631]  ? should_fail+0x22d/0xd01
[  383.648643]  ? find_held_lock+0x36/0x1c0
[  383.675683]  ? mark_held_locks+0x130/0x130
[  383.679911]  ? mark_held_locks+0x130/0x130
[  383.684129]  ? zap_class+0x640/0x640
[  383.687829]  ? zap_class+0x640/0x640
[  383.691530]  ? print_usage_bug+0xc0/0xc0
[  383.695578]  ? do_raw_spin_unlock+0xa7/0x330
[  383.699977]  ? zap_class+0x640/0x640
[  383.703678]  ? print_usage_bug+0xc0/0xc0
[  383.707723]  ? wq_watchdog_touch+0x9c/0xfe
[  383.711945]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.717474]  ? check_preemption_disabled+0x48/0x280
[  383.722485]  ? __lock_is_held+0xb5/0x140
[  383.726536]  __alloc_pages_nodemask+0xad8/0xea0
[  383.731197]  ? zap_class+0x640/0x640
[  383.734900]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  383.739914]  ? find_held_lock+0x36/0x1c0
[  383.743974]  ? ____cache_alloc_node+0x1c7/0x1e0
[  383.748629]  ? lock_downgrade+0x900/0x900
[  383.752771]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.758299]  cache_grow_begin+0xa5/0x8c0
[  383.762343]  ? do_raw_spin_unlock+0xa7/0x330
[  383.766845]  fallback_alloc+0x204/0x2e0
[  383.770810]  ____cache_alloc_node+0x1c7/0x1e0
[  383.775301]  kmem_cache_alloc_node+0xe3/0x730
[  383.779787]  ? ipv6_get_ifaddr+0x42e/0x620
[  383.784022]  __alloc_skb+0x119/0x770
[  383.787725]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  383.792989]  ? netdev_alloc_frag+0x1f0/0x1f0
[  383.797384]  ? lock_downgrade+0x900/0x900
[  383.801524]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.807049]  ? refcount_sub_and_test_checked+0x203/0x310
[  383.812490]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  383.817923]  ? addrconf_rs_timer+0x690/0x690
[  383.822331]  ndisc_alloc_skb+0x144/0x340
[  383.826382]  ndisc_send_rs+0x331/0x6e0
[  383.830258]  addrconf_rs_timer+0x314/0x690
[  383.834482]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.838712]  call_timer_fn+0x272/0x920
[  383.842587]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.846810]  ? process_timeout+0x40/0x40
[  383.850859]  ? __run_timers+0x7da/0xc70
[  383.854826]  ? _raw_spin_unlock_irq+0x27/0x80
[  383.859308]  ? _raw_spin_unlock_irq+0x27/0x80
[  383.863792]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.868116]  ? lockdep_hardirqs_on+0x296/0x5b0
[  383.872701]  ? trace_hardirqs_on+0xbd/0x310
[  383.877010]  ? kasan_check_read+0x11/0x20
[  383.881140]  ? __run_timers+0x7da/0xc70
[  383.885102]  ? trace_hardirqs_off_caller+0x310/0x310
[  383.890207]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.894436]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.898654]  __run_timers+0x7e5/0xc70
[  383.902446]  ? timer_fixup_init+0x70/0x70
[  383.906581]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  383.911668]  ? zap_class+0x640/0x640
[  383.915370]  ? enqueue_hrtimer+0x1a5/0x560
[  383.919590]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  383.924772]  ? find_held_lock+0x36/0x1c0
[  383.928822]  ? zap_class+0x640/0x640
[  383.932527]  ? pvclock_read_flags+0x160/0x160
[  383.937142]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.942670]  ? check_preemption_disabled+0x48/0x280
[  383.947683]  ? __lock_is_held+0xb5/0x140
[  383.951728]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.957254]  ? check_preemption_disabled+0x48/0x280
[  383.962260]  run_timer_softirq+0x52/0xb0
[  383.966312]  ? rcu_read_lock_sched_held+0x14f/0x180
[  383.971314]  __do_softirq+0x308/0xb7e
[  383.975105]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  383.979586]  ? lock_downgrade+0x900/0x900
[  383.983725]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  383.988817]  ? pvclock_read_flags+0x160/0x160
[  383.993302]  ? lapic_next_event+0x5a/0x90
[  383.997435]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.002990]  ? kvm_clock_read+0x18/0x30
[  384.006953]  ? kvm_sched_clock_read+0x9/0x20
[  384.011350]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.016873]  ? check_preemption_disabled+0x48/0x280
[  384.021897]  irq_exit+0x17f/0x1c0
[  384.025338]  smp_apic_timer_interrupt+0x1cb/0x760
[  384.030167]  ? smp_reschedule_interrupt+0x109/0x650
[  384.035184]  ? smp_call_function_single_interrupt+0x650/0x650
[  384.041058]  ? interrupt_entry+0xb5/0xc0
[  384.045108]  ? trace_hardirqs_off_caller+0xbb/0x310
[  384.050113]  ? trace_hardirqs_off_caller+0xbb/0x310
[  384.055121]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  384.059954]  ? trace_hardirqs_on_caller+0x310/0x310
[  384.064957]  ? trace_hardirqs_on_caller+0x310/0x310
[  384.069961]  ? task_prio+0x50/0x50
[  384.073491]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.079016]  ? check_preemption_disabled+0x48/0x280
[  384.084019]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  384.088856]  apic_timer_interrupt+0xf/0x20
[  384.093073]  </IRQ>
[  384.095300] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  384.101177] Code: 3e 7e 0f 85 32 ff ff ff e8 03 6a 3d ff e9 28 ff ff ff e8 4a 99 c2 ff 48 83 3d c2 ed 8e 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 ca 05
[  384.120059] RSP: 0018:ffff888198b071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  384.127749] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  384.135006] RDX: 0000000000000000 RSI: ffff8881bbc289c0 RDI: 0000000000000286
[  384.142259] RBP: ffff888198b07250 R08: ffff8881bbc28140 R09: 0000000000000000
[  384.149514] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800940
[  384.156792] R13: ffff8881da800940 R14: 0000000000000000 R15: 0000000000000286
[  384.164069]  ? save_stack+0xa9/0xd0
[  384.167688]  __kmalloc_node_track_caller+0x3c/0x70
[  384.172603]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  384.177351]  pskb_expand_head+0x230/0x10f0
[  384.181579]  ? memcpy+0x45/0x50
[  384.184845]  ? __copy_skb_header+0x350/0x6b0
[  384.189240]  ? skb_release_data+0x9a0/0x9a0
[  384.193562]  ? __alloc_skb+0x770/0x770
[  384.197449]  ? __lock_is_held+0xb5/0x140
[  384.201501]  ? kasan_check_write+0x14/0x20
[  384.205722]  ? __skb_clone+0x6c7/0xa00
[  384.209597]  ? __copy_skb_header+0x6b0/0x6b0
[  384.213991]  ? kmem_cache_alloc+0x33a/0x730
[  384.218308]  skb_ensure_writable+0x3dd/0x640
[  384.222709]  ? skb_checksum_setup+0xaa0/0xaa0
[  384.227192]  ? check_preemption_disabled+0x48/0x280
[  384.232219]  ? __this_cpu_preempt_check+0x1c/0x20
[  384.237049]  ? __bpf_redirect+0x55b/0xb60
[  384.241187]  bpf_clone_redirect+0x14a/0x490
[  384.245503]  bpf_prog_88483476fbe68a28+0x6f0/0x1000
[  384.250511]  ? __sched_text_start+0x8/0x8
[  384.254656]  ? find_held_lock+0x36/0x1c0
[  384.258708]  ? lock_acquire+0x1ed/0x520
[  384.262667]  ? bpf_test_run+0x3ee/0x7a0
[  384.266625]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.272150]  ? check_preemption_disabled+0x48/0x280
[  384.277169]  ? kasan_check_read+0x11/0x20
[  384.281302]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  384.286560]  ? rcu_softirq_qs+0x20/0x20
[  384.290522]  ? preempt_schedule+0x4d/0x60
[  384.294658]  ? ___preempt_schedule+0x16/0x18
[  384.299059]  ? bpf_test_run+0x271/0x7a0
[  384.303030]  ? netlink_diag_dump+0x2a0/0x2a0
[  384.307427]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  384.313109]  ? bpf_test_init.isra.10+0x70/0x100
[  384.317768]  ? bpf_prog_test_run_skb+0x762/0xd90
[  384.322514]  ? bpf_test_finish.isra.9+0x260/0x260
[  384.327348]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  384.332870]  ? fput+0x130/0x1a0
[  384.336141]  ? __bpf_prog_get+0x9b/0x290
[  384.340195]  ? bpf_test_finish.isra.9+0x260/0x260
[  384.345020]  ? __do_sys_bpf+0x1898/0x4570
[  384.349175]  ? bpf_prog_load+0x1db0/0x1db0
[  384.353394]  ? find_held_lock+0x36/0x1c0
[  384.357448]  ? __might_fault+0x12b/0x1e0
[  384.361498]  ? lock_downgrade+0x900/0x900
[  384.365639]  ? lock_release+0xa00/0xa00
[  384.369598]  ? perf_trace_sched_process_exec+0x860/0x860
[  384.375035]  ? posix_ktime_get_ts+0x15/0x20
[  384.379342]  ? trace_hardirqs_off_caller+0x310/0x310
[  384.384457]  ? kasan_check_read+0x11/0x20
[  384.388594]  ? _copy_to_user+0xc8/0x110
[  384.392560]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  384.398083]  ? put_timespec64+0x10f/0x1b0
[  384.402215]  ? nsecs_to_jiffies+0x30/0x30
[  384.406363]  ? trace_hardirqs_off_caller+0x310/0x310
[  384.411455]  ? __x64_sys_bpf+0x73/0xb0
[  384.415335]  ? do_syscall_64+0x1b9/0x820
[  384.419383]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  384.424736]  ? syscall_return_slowpath+0x5e0/0x5e0
[  384.429652]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  384.434484]  ? trace_hardirqs_on_caller+0x310/0x310
[  384.439487]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  384.444491]  ? prepare_exit_to_usermode+0x291/0x3b0
[  384.449497]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  384.454330]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  384.459693] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #181
[  384.459762] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  384.466517] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  384.466522] Call Trace:
[  384.466539]  dump_stack+0x244/0x39d
[  384.466556]  ? dump_stack_print_info.cold.1+0x20/0x20
[  384.473087] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  384.482501]  warn_alloc.cold.116+0xb7/0x1bd
[  384.485047] syz-executor0 cpuset=syz0 mems_allowed=0
[  384.488652]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  384.518459]  ? lock_downgrade+0x900/0x900
[  384.522598]  ? trace_hardirqs_off+0xb8/0x310
[  384.527000]  ? trace_hardirqs_off+0xb8/0x310
[  384.531403]  __alloc_pages_slowpath+0x2651/0x2de0
[  384.536252]  ? warn_alloc+0x120/0x120
[  384.540038]  ? print_usage_bug+0xc0/0xc0
[  384.544087]  ? warn_alloc+0x120/0x120
[  384.547875]  ? warn_alloc+0x120/0x120
[  384.551758]  ? print_usage_bug+0xc0/0xc0
[  384.555807]  ? print_usage_bug+0xc0/0xc0
[  384.559855]  ? __lock_acquire+0x62f/0x4c20
[  384.564082]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  384.569604]  ? should_fail+0x22d/0xd01
[  384.573481]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  384.578569]  ? __lock_acquire+0x62f/0x4c20
[  384.582789]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  384.587877]  ? __lock_acquire+0x62f/0x4c20
[  384.592097]  ? should_fail+0x22d/0xd01
[  384.596095]  ? find_held_lock+0x36/0x1c0
[  384.600234]  ? mark_held_locks+0x130/0x130
[  384.604461]  ? mark_held_locks+0x130/0x130
[  384.608679]  ? zap_class+0x640/0x640
[  384.612379]  ? zap_class+0x640/0x640
[  384.616086]  ? print_usage_bug+0xc0/0xc0
[  384.620147]  ? do_raw_spin_unlock+0xa7/0x330
[  384.624541]  ? zap_class+0x640/0x640
[  384.628241]  ? print_usage_bug+0xc0/0xc0
[  384.632292]  ? wq_watchdog_touch+0x9c/0xfe
[  384.636515]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.642036]  ? check_preemption_disabled+0x48/0x280
[  384.647055]  ? __lock_is_held+0xb5/0x140
[  384.651109]  __alloc_pages_nodemask+0xad8/0xea0
[  384.655766]  ? zap_class+0x640/0x640
[  384.659468]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  384.664480]  ? find_held_lock+0x36/0x1c0
[  384.668535]  ? ____cache_alloc_node+0x1c7/0x1e0
[  384.673200]  ? lock_downgrade+0x900/0x900
[  384.677338]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.682863]  cache_grow_begin+0xa5/0x8c0
[  384.686906]  ? do_raw_spin_unlock+0xa7/0x330
[  384.691310]  fallback_alloc+0x204/0x2e0
[  384.695273]  ____cache_alloc_node+0x1c7/0x1e0
[  384.699758]  kmem_cache_alloc_node+0xe3/0x730
[  384.704240]  ? ipv6_get_ifaddr+0x42e/0x620
[  384.708471]  __alloc_skb+0x119/0x770
[  384.712170]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  384.717435]  ? netdev_alloc_frag+0x1f0/0x1f0
[  384.721829]  ? lock_downgrade+0x900/0x900
[  384.725976]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.731584]  ? refcount_sub_and_test_checked+0x203/0x310
[  384.737023]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  384.742460]  ? addrconf_rs_timer+0x690/0x690
[  384.746867]  ndisc_alloc_skb+0x144/0x340
[  384.750924]  ndisc_send_rs+0x331/0x6e0
[  384.754798]  addrconf_rs_timer+0x314/0x690
[  384.759023]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  384.763249]  call_timer_fn+0x272/0x920
[  384.767130]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  384.771350]  ? process_timeout+0x40/0x40
[  384.775405]  ? __run_timers+0x7da/0xc70
[  384.779365]  ? _raw_spin_unlock_irq+0x27/0x80
[  384.783846]  ? _raw_spin_unlock_irq+0x27/0x80
[  384.788327]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  384.792544]  ? lockdep_hardirqs_on+0x296/0x5b0
[  384.797119]  ? trace_hardirqs_on+0xbd/0x310
[  384.801429]  ? kasan_check_read+0x11/0x20
[  384.805565]  ? __run_timers+0x7da/0xc70
[  384.809529]  ? trace_hardirqs_off_caller+0x310/0x310
[  384.814622]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  384.818847]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  384.823064]  __run_timers+0x7e5/0xc70
[  384.826855]  ? timer_fixup_init+0x70/0x70
[  384.830988]  ? _raw_spin_unlock_irq+0x27/0x80
[  384.835471]  ? _raw_spin_unlock_irq+0x27/0x80
[  384.839956]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  384.844526]  ? trace_hardirqs_on+0xbd/0x310
[  384.848831]  ? kasan_check_read+0x11/0x20
[  384.852963]  ? finish_task_switch+0x1f4/0x910
[  384.857446]  ? trace_hardirqs_off_caller+0x310/0x310
[  384.862532]  ? compat_start_thread+0x80/0x80
[  384.866942]  ? pvclock_read_flags+0x160/0x160
[  384.871421]  ? __switch_to_asm+0x34/0x70
[  384.875470]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.880993]  ? check_preemption_disabled+0x48/0x280
[  384.886001]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  384.891525]  ? rcu_pm_notify+0xc0/0xc0
[  384.895398]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.900921]  ? check_preemption_disabled+0x48/0x280
[  384.905928]  run_timer_softirq+0x52/0xb0
[  384.909975]  ? rcu_read_lock_sched_held+0x14f/0x180
[  384.914977]  __do_softirq+0x308/0xb7e
[  384.918785]  ? retint_kernel+0x2d/0x2d
[  384.922682]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  384.927773]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  384.933207]  ? rcu_irq_enter+0x18c/0x310
[  384.937258]  ? schedule+0x108/0x460
[  384.940870]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  384.945621]  ? trace_hardirqs_off+0xb8/0x310
[  384.950025]  ? smpboot_thread_fn+0x68b/0xa00
[  384.954422]  ? trace_hardirqs_on+0x310/0x310
[  384.958814]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  384.964337]  ? check_preemption_disabled+0x48/0x280
[  384.969344]  ? takeover_tasklets+0xa90/0xa90
[  384.973741]  run_ksoftirqd+0x5e/0x100
[  384.977527]  smpboot_thread_fn+0x68b/0xa00
[  384.981751]  ? sort_range+0x30/0x30
[  384.985367]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  384.990454]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  384.996064]  ? __kthread_parkme+0xfb/0x1a0
[  385.000289]  ? sort_range+0x30/0x30
[  385.003902]  kthread+0x35a/0x440
[  385.007252]  ? kthread_stop+0x900/0x900
[  385.011217]  ret_from_fork+0x3a/0x50
[  385.014932] CPU: 1 PID: 16176 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #181
[  385.014936] warn_alloc_show_mem: 1 callbacks suppressed
[  385.014941] Mem-Info:
[  385.022276] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  385.027628] active_anon:54949 inactive_anon:10067 isolated_anon:0
[  385.027628]  active_file:12 inactive_file:12 isolated_file:0
[  385.027628]  unevictable:0 dirty:0 writeback:0 unstable:0
[  385.027628]  slab_reclaimable:9454 slab_unreclaimable:1442611
[  385.027628]  mapped:40962 shmem:10230 pagetables:596 bounce:0
[  385.027628]  free:13765 free_pcp:525 free_cma:0
[  385.029989] Call Trace:
[  385.039348] Node 0 active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:40920kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 202752kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  385.072612]  <IRQ>
[  385.075165] 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
[  385.102987]  dump_stack+0x244/0x39d
[  385.105107] lowmem_reserve[]: 0 2818 6321 6321
[  385.131202]  ? dump_stack_print_info.cold.1+0x20/0x20
[  385.134793] Node 0 DMA32 free:25248kB 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:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  385.139364]  warn_alloc.cold.116+0xb7/0x1bd
[  385.144520] lowmem_reserve[]: 0 0 3503 3503
[  385.171824]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  385.176111] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2384kB bounce:0kB free_pcp:1852kB local_pcp:1500kB free_cma:0kB
[  385.180452]  ? lock_downgrade+0x900/0x900
[  385.185262] lowmem_reserve[]: 0 0 0 0
[  385.214476]  ? trace_hardirqs_off+0xb8/0x310
[  385.218587] 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
[  385.222371]  ? trace_hardirqs_off+0xb8/0x310
[  385.226744] Node 0 DMA32: 4*4kB (UM) 0*8kB 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB
[  385.240254]  __alloc_pages_slowpath+0x2651/0x2de0
[  385.244644] Node 0 Normal: 1308*4kB (ME) 392*8kB (UME) 140*16kB (ME) 47*32kB (ME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  385.259556]  ? warn_alloc+0x120/0x120
[  385.264354] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  385.278982]  ? print_usage_bug+0xc0/0xc0
[  385.282751] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  385.291558]  ? warn_alloc+0x120/0x120
[  385.295583] 10254 total pagecache pages
[  385.304136]  ? warn_alloc+0x120/0x120
[  385.307911] 0 pages in swap cache
[  385.311858]  ? print_usage_bug+0xc0/0xc0
[  385.315624] Swap cache stats: add 0, delete 0, find 0/0
[  385.319051]  ? print_usage_bug+0xc0/0xc0
[  385.323082] Free swap  = 0kB
[  385.328418]  ? __lock_acquire+0x62f/0x4c20
[  385.332441] Total swap = 0kB
[  385.335440]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  385.339642] 1965979 pages RAM
[  385.342640]  ? should_fail+0x22d/0xd01
[  385.348140] 0 pages HighMem/MovableOnly
[  385.351226]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  385.355072] 342853 pages reserved
[  385.355084] 0 pages cma reserved
[  385.359036]  ? __lock_acquire+0x62f/0x4c20
[  385.364170] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  385.367537]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  385.367547]  ? __lock_acquire+0x62f/0x4c20
[  385.367559]  ? should_fail+0x22d/0xd01
[  385.370946] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  385.375108]  ? find_held_lock+0x36/0x1c0
[  385.381564] ksoftirqd/0 cpuset=/ mems_allowed=0
[  385.386657]  ? mark_held_locks+0x130/0x130
[  385.417887]  ? mark_held_locks+0x130/0x130
[  385.422106]  ? zap_class+0x640/0x640
[  385.425803]  ? zap_class+0x640/0x640
[  385.429510]  ? print_usage_bug+0xc0/0xc0
[  385.433557]  ? do_raw_spin_unlock+0xa7/0x330
[  385.437955]  ? zap_class+0x640/0x640
[  385.441653]  ? print_usage_bug+0xc0/0xc0
[  385.445697]  ? wq_watchdog_touch+0x9c/0xfe
[  385.449925]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.455448]  ? check_preemption_disabled+0x48/0x280
[  385.460456]  ? __lock_is_held+0xb5/0x140
[  385.464504]  __alloc_pages_nodemask+0xad8/0xea0
[  385.469158]  ? zap_class+0x640/0x640
[  385.472862]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  385.477874]  ? find_held_lock+0x36/0x1c0
[  385.481928]  ? ____cache_alloc_node+0x1c7/0x1e0
[  385.486583]  ? lock_downgrade+0x900/0x900
[  385.490722]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.496248]  cache_grow_begin+0xa5/0x8c0
[  385.500293]  ? do_raw_spin_unlock+0xa7/0x330
[  385.504702]  fallback_alloc+0x204/0x2e0
[  385.508666]  ____cache_alloc_node+0x1c7/0x1e0
[  385.513151]  kmem_cache_alloc_node+0xe3/0x730
[  385.517639]  ? ipv6_get_ifaddr+0x42e/0x620
[  385.521874]  __alloc_skb+0x119/0x770
[  385.525572]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  385.530839]  ? netdev_alloc_frag+0x1f0/0x1f0
[  385.535232]  ? lock_downgrade+0x900/0x900
[  385.539375]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.544901]  ? refcount_sub_and_test_checked+0x203/0x310
[  385.550343]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  385.555781]  ? addrconf_rs_timer+0x690/0x690
[  385.560189]  ndisc_alloc_skb+0x144/0x340
[  385.564246]  ndisc_send_rs+0x331/0x6e0
[  385.568132]  addrconf_rs_timer+0x314/0x690
[  385.572364]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.576594]  call_timer_fn+0x272/0x920
[  385.580471]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.584712]  ? process_timeout+0x40/0x40
[  385.588767]  ? __run_timers+0x7da/0xc70
[  385.592735]  ? _raw_spin_unlock_irq+0x27/0x80
[  385.597233]  ? _raw_spin_unlock_irq+0x27/0x80
[  385.601731]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.605957]  ? lockdep_hardirqs_on+0x296/0x5b0
[  385.610617]  ? trace_hardirqs_on+0xbd/0x310
[  385.614930]  ? kasan_check_read+0x11/0x20
[  385.619072]  ? __run_timers+0x7da/0xc70
[  385.623033]  ? trace_hardirqs_off_caller+0x310/0x310
[  385.628149]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.632374]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.636595]  __run_timers+0x7e5/0xc70
[  385.640389]  ? timer_fixup_init+0x70/0x70
[  385.644524]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  385.649535]  ? zap_class+0x640/0x640
[  385.653240]  ? enqueue_hrtimer+0x1a5/0x560
[  385.657460]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  385.662643]  ? find_held_lock+0x36/0x1c0
[  385.667127]  ? zap_class+0x640/0x640
[  385.670835]  ? pvclock_read_flags+0x160/0x160
[  385.675322]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.680853]  ? check_preemption_disabled+0x48/0x280
[  385.685876]  ? __lock_is_held+0xb5/0x140
[  385.689925]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.695456]  ? check_preemption_disabled+0x48/0x280
[  385.700467]  run_timer_softirq+0x52/0xb0
[  385.704523]  ? rcu_read_lock_sched_held+0x14f/0x180
[  385.709527]  __do_softirq+0x308/0xb7e
[  385.713316]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  385.717795]  ? lock_downgrade+0x900/0x900
[  385.721934]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  385.727044]  ? pvclock_read_flags+0x160/0x160
[  385.731537]  ? lapic_next_event+0x5a/0x90
[  385.735673]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.741202]  ? kvm_clock_read+0x18/0x30
[  385.745162]  ? kvm_sched_clock_read+0x9/0x20
[  385.749556]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.755081]  ? check_preemption_disabled+0x48/0x280
[  385.760087]  irq_exit+0x17f/0x1c0
[  385.763528]  smp_apic_timer_interrupt+0x1cb/0x760
[  385.768709]  ? smp_reschedule_interrupt+0x109/0x650
[  385.773711]  ? smp_call_function_single_interrupt+0x650/0x650
[  385.779581]  ? interrupt_entry+0xb5/0xc0
[  385.783629]  ? trace_hardirqs_off_caller+0xbb/0x310
[  385.788627]  ? trace_hardirqs_off_caller+0xbb/0x310
[  385.793629]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  385.798455]  ? trace_hardirqs_on_caller+0x310/0x310
[  385.803458]  ? trace_hardirqs_on_caller+0x310/0x310
[  385.808465]  ? task_prio+0x50/0x50
[  385.812011]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.817543]  ? check_preemption_disabled+0x48/0x280
[  385.822546]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  385.827380]  apic_timer_interrupt+0xf/0x20
[  385.831593]  </IRQ>
[  385.833822] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  385.839692] Code: 3e 7e 0f 85 32 ff ff ff e8 03 6a 3d ff e9 28 ff ff ff e8 4a 99 c2 ff 48 83 3d c2 ed 8e 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 ca 05
[  385.858573] RSP: 0018:ffff888198b071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  385.866265] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  385.873518] RDX: 0000000000000000 RSI: ffff8881bbc289c0 RDI: 0000000000000286
[  385.880768] RBP: ffff888198b07250 R08: ffff8881bbc28140 R09: 0000000000000000
[  385.888030] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800940
[  385.895292] R13: ffff8881da800940 R14: 0000000000000000 R15: 0000000000000286
[  385.902567]  ? save_stack+0xa9/0xd0
[  385.906187]  __kmalloc_node_track_caller+0x3c/0x70
[  385.911105]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  385.915854]  pskb_expand_head+0x230/0x10f0
[  385.920084]  ? memcpy+0x45/0x50
[  385.923352]  ? __copy_skb_header+0x350/0x6b0
[  385.927746]  ? skb_release_data+0x9a0/0x9a0
[  385.932057]  ? __alloc_skb+0x770/0x770
[  385.936025]  ? __lock_is_held+0xb5/0x140
[  385.940082]  ? kasan_check_write+0x14/0x20
[  385.944302]  ? __skb_clone+0x6c7/0xa00
[  385.948174]  ? __copy_skb_header+0x6b0/0x6b0
[  385.952568]  ? kmem_cache_alloc+0x33a/0x730
[  385.956885]  skb_ensure_writable+0x3dd/0x640
[  385.961284]  ? skb_checksum_setup+0xaa0/0xaa0
[  385.965770]  ? check_preemption_disabled+0x48/0x280
[  385.970782]  ? __this_cpu_preempt_check+0x1c/0x20
[  385.975617]  ? __bpf_redirect+0x55b/0xb60
[  385.979760]  bpf_clone_redirect+0x14a/0x490
[  385.984079]  bpf_prog_88483476fbe68a28+0x6f0/0x1000
[  385.989086]  ? __sched_text_start+0x8/0x8
[  385.993233]  ? find_held_lock+0x36/0x1c0
[  385.997284]  ? lock_acquire+0x1ed/0x520
[  386.001245]  ? bpf_test_run+0x3ee/0x7a0
[  386.005205]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.010728]  ? check_preemption_disabled+0x48/0x280
[  386.015737]  ? kasan_check_read+0x11/0x20
[  386.019872]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  386.025134]  ? rcu_softirq_qs+0x20/0x20
[  386.029096]  ? preempt_schedule+0x4d/0x60
[  386.033230]  ? ___preempt_schedule+0x16/0x18
[  386.037629]  ? bpf_test_run+0x271/0x7a0
[  386.041599]  ? netlink_diag_dump+0x2a0/0x2a0
[  386.045997]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.051521]  ? bpf_test_init.isra.10+0x70/0x100
[  386.056212]  ? bpf_prog_test_run_skb+0x762/0xd90
[  386.060959]  ? bpf_test_finish.isra.9+0x260/0x260
[  386.065793]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  386.071320]  ? fput+0x130/0x1a0
[  386.074590]  ? __bpf_prog_get+0x9b/0x290
[  386.078636]  ? bpf_test_finish.isra.9+0x260/0x260
[  386.083465]  ? __do_sys_bpf+0x1898/0x4570
[  386.087601]  ? bpf_prog_load+0x1db0/0x1db0
[  386.091820]  ? find_held_lock+0x36/0x1c0
[  386.095876]  ? __might_fault+0x12b/0x1e0
[  386.099926]  ? lock_downgrade+0x900/0x900
[  386.104060]  ? lock_release+0xa00/0xa00
[  386.108016]  ? perf_trace_sched_process_exec+0x860/0x860
[  386.113459]  ? posix_ktime_get_ts+0x15/0x20
[  386.117769]  ? trace_hardirqs_off_caller+0x310/0x310
[  386.122874]  ? kasan_check_read+0x11/0x20
[  386.127003]  ? _copy_to_user+0xc8/0x110
[  386.130972]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.136497]  ? put_timespec64+0x10f/0x1b0
[  386.140628]  ? nsecs_to_jiffies+0x30/0x30
[  386.144770]  ? trace_hardirqs_off_caller+0x310/0x310
[  386.149865]  ? __x64_sys_bpf+0x73/0xb0
[  386.153741]  ? do_syscall_64+0x1b9/0x820
[  386.157789]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  386.163143]  ? syscall_return_slowpath+0x5e0/0x5e0
[  386.168060]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  386.172886]  ? trace_hardirqs_on_caller+0x310/0x310
[  386.177904]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  386.182911]  ? prepare_exit_to_usermode+0x291/0x3b0
[  386.187916]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  386.192749]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  386.198116] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #181
[  386.198179] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  386.204948] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  386.204952] Call Trace:
[  386.204971]  dump_stack+0x244/0x39d
[  386.204990]  ? dump_stack_print_info.cold.1+0x20/0x20
[  386.211504] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  386.220799]  warn_alloc.cold.116+0xb7/0x1bd
[  386.223345] syz-executor0 cpuset=syz0 mems_allowed=0
[  386.226956]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  386.256771]  ? lock_downgrade+0x900/0x900
[  386.260912]  ? trace_hardirqs_off+0xb8/0x310
[  386.265312]  ? trace_hardirqs_off+0xb8/0x310
[  386.269713]  __alloc_pages_slowpath+0x2651/0x2de0
[  386.274562]  ? warn_alloc+0x120/0x120
[  386.278352]  ? print_usage_bug+0xc0/0xc0
[  386.282403]  ? warn_alloc+0x120/0x120
[  386.286191]  ? warn_alloc+0x120/0x120
[  386.289984]  ? print_usage_bug+0xc0/0xc0
[  386.294042]  ? print_usage_bug+0xc0/0xc0
[  386.298090]  ? __lock_acquire+0x62f/0x4c20
[  386.302315]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.307854]  ? should_fail+0x22d/0xd01
[  386.311733]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  386.317074]  ? __lock_acquire+0x62f/0x4c20
[  386.321298]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  386.326383]  ? __lock_acquire+0x62f/0x4c20
[  386.330600]  ? should_fail+0x22d/0xd01
[  386.334475]  ? find_held_lock+0x36/0x1c0
[  386.338529]  ? mark_held_locks+0x130/0x130
[  386.342751]  ? mark_held_locks+0x130/0x130
[  386.346972]  ? zap_class+0x640/0x640
[  386.350668]  ? zap_class+0x640/0x640
[  386.354368]  ? print_usage_bug+0xc0/0xc0
[  386.358414]  ? do_raw_spin_unlock+0xa7/0x330
[  386.362805]  ? zap_class+0x640/0x640
[  386.366516]  ? print_usage_bug+0xc0/0xc0
[  386.370563]  ? wq_watchdog_touch+0x9c/0xfe
[  386.374788]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.380312]  ? check_preemption_disabled+0x48/0x280
[  386.385322]  ? __lock_is_held+0xb5/0x140
[  386.389372]  __alloc_pages_nodemask+0xad8/0xea0
[  386.394032]  ? zap_class+0x640/0x640
[  386.397738]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  386.402753]  ? find_held_lock+0x36/0x1c0
[  386.406808]  ? ____cache_alloc_node+0x1c7/0x1e0
[  386.411461]  ? lock_downgrade+0x900/0x900
[  386.415603]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.421128]  cache_grow_begin+0xa5/0x8c0
[  386.425177]  ? do_raw_spin_unlock+0xa7/0x330
[  386.429582]  fallback_alloc+0x204/0x2e0
[  386.433546]  ____cache_alloc_node+0x1c7/0x1e0
[  386.438118]  kmem_cache_alloc_node+0xe3/0x730
[  386.442599]  ? ipv6_get_ifaddr+0x42e/0x620
[  386.446825]  __alloc_skb+0x119/0x770
[  386.450525]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  386.455791]  ? netdev_alloc_frag+0x1f0/0x1f0
[  386.460184]  ? lock_downgrade+0x900/0x900
[  386.464339]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.469877]  ? refcount_sub_and_test_checked+0x203/0x310
[  386.475317]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  386.480894]  ? addrconf_rs_timer+0x690/0x690
[  386.485296]  ndisc_alloc_skb+0x144/0x340
[  386.489349]  ndisc_send_rs+0x331/0x6e0
[  386.493227]  addrconf_rs_timer+0x314/0x690
[  386.497460]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  386.501690]  call_timer_fn+0x272/0x920
[  386.505562]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  386.509794]  ? process_timeout+0x40/0x40
[  386.513843]  ? __run_timers+0x7da/0xc70
[  386.517806]  ? _raw_spin_unlock_irq+0x27/0x80
[  386.522288]  ? _raw_spin_unlock_irq+0x27/0x80
[  386.526765]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  386.530985]  ? lockdep_hardirqs_on+0x296/0x5b0
[  386.535563]  ? trace_hardirqs_on+0xbd/0x310
[  386.539871]  ? kasan_check_read+0x11/0x20
[  386.544016]  ? __run_timers+0x7da/0xc70
[  386.547981]  ? trace_hardirqs_off_caller+0x310/0x310
[  386.553079]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  386.557307]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  386.561528]  __run_timers+0x7e5/0xc70
[  386.565322]  ? timer_fixup_init+0x70/0x70
[  386.569454]  ? _raw_spin_unlock_irq+0x27/0x80
[  386.573935]  ? _raw_spin_unlock_irq+0x27/0x80
[  386.578416]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  386.582982]  ? trace_hardirqs_on+0xbd/0x310
[  386.587295]  ? kasan_check_read+0x11/0x20
[  386.591430]  ? finish_task_switch+0x1f4/0x910
[  386.595909]  ? trace_hardirqs_off_caller+0x310/0x310
[  386.601002]  ? compat_start_thread+0x80/0x80
[  386.605418]  ? pvclock_read_flags+0x160/0x160
[  386.609899]  ? __switch_to_asm+0x34/0x70
[  386.613947]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.619477]  ? check_preemption_disabled+0x48/0x280
[  386.624483]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  386.630014]  ? rcu_pm_notify+0xc0/0xc0
[  386.633885]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.639409]  ? check_preemption_disabled+0x48/0x280
[  386.644411]  run_timer_softirq+0x52/0xb0
[  386.648460]  ? rcu_read_lock_sched_held+0x14f/0x180
[  386.653467]  __do_softirq+0x308/0xb7e
[  386.657259]  ? retint_kernel+0x2d/0x2d
[  386.661134]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  386.666219]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  386.671656]  ? rcu_irq_enter+0x18c/0x310
[  386.675707]  ? schedule+0x108/0x460
[  386.679319]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  386.684065]  ? trace_hardirqs_off+0xb8/0x310
[  386.688458]  ? smpboot_thread_fn+0x68b/0xa00
[  386.692849]  ? trace_hardirqs_on+0x310/0x310
[  386.697247]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.702772]  ? check_preemption_disabled+0x48/0x280
[  386.707786]  ? takeover_tasklets+0xa90/0xa90
[  386.712178]  run_ksoftirqd+0x5e/0x100
[  386.715961]  smpboot_thread_fn+0x68b/0xa00
[  386.720189]  ? sort_range+0x30/0x30
[  386.723799]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  386.728888]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.734411]  ? __kthread_parkme+0xfb/0x1a0
[  386.738631]  ? sort_range+0x30/0x30
[  386.742333]  kthread+0x35a/0x440
[  386.745686]  ? kthread_stop+0x900/0x900
[  386.749644]  ret_from_fork+0x3a/0x50
[  386.753360] CPU: 1 PID: 16176 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #181
[  386.753364] warn_alloc_show_mem: 1 callbacks suppressed
[  386.753369] Mem-Info:
[  386.760713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  386.766070] active_anon:54949 inactive_anon:10067 isolated_anon:0
[  386.766070]  active_file:12 inactive_file:12 isolated_file:0
[  386.766070]  unevictable:0 dirty:0 writeback:0 unstable:0
[  386.766070]  slab_reclaimable:9454 slab_unreclaimable:1442611
[  386.766070]  mapped:40962 shmem:10230 pagetables:596 bounce:0
[  386.766070]  free:13765 free_pcp:525 free_cma:0
[  386.768429] Call Trace:
[  386.777789] Node 0 active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:40920kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 202752kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  386.810982]  <IRQ>
[  386.813550] 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
[  386.841377]  dump_stack+0x244/0x39d
[  386.843492] lowmem_reserve[]: 0 2818 6321 6321
[  386.869591]  ? dump_stack_print_info.cold.1+0x20/0x20
[  386.873183] Node 0 DMA32 free:25248kB 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:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  386.877754]  warn_alloc.cold.116+0xb7/0x1bd
[  386.882899] lowmem_reserve[]: 0 0 3503 3503
[  386.910202]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  386.914578] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2384kB bounce:0kB free_pcp:1852kB local_pcp:1500kB free_cma:0kB
[  386.918901]  ? lock_downgrade+0x900/0x900
[  386.923707] lowmem_reserve[]: 0 0 0 0
[  386.952925]  ? trace_hardirqs_off+0xb8/0x310
[  386.957035] 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
[  386.960819]  ? trace_hardirqs_off+0xb8/0x310
[  386.965189] Node 0 DMA32: 4*4kB (UM) 0*8kB 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB
[  386.978698]  __alloc_pages_slowpath+0x2651/0x2de0
[  386.983067] Node 0 Normal: 1308*4kB (ME) 392*8kB (UME) 140*16kB (ME) 47*32kB (ME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  386.997982]  ? warn_alloc+0x120/0x120
[  387.002779] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  387.017401]  ? print_usage_bug+0xc0/0xc0
[  387.021172] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  387.029985]  ? warn_alloc+0x120/0x120
[  387.034026] 10254 total pagecache pages
[  387.042581]  ? warn_alloc+0x120/0x120
[  387.046357] 0 pages in swap cache
[  387.050304]  ? print_usage_bug+0xc0/0xc0
[  387.054073] Swap cache stats: add 0, delete 0, find 0/0
[  387.057502]  ? print_usage_bug+0xc0/0xc0
[  387.061529] Free swap  = 0kB
[  387.066867]  ? __lock_acquire+0x62f/0x4c20
[  387.070890] Total swap = 0kB
[  387.073890]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  387.078087] 1965979 pages RAM
[  387.081086]  ? should_fail+0x22d/0xd01
[  387.086587] 0 pages HighMem/MovableOnly
[  387.089769]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  387.093617] 342853 pages reserved
[  387.093623] 0 pages cma reserved
[  387.097573]  ? __lock_acquire+0x62f/0x4c20
[  387.102708] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  387.106073]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  387.106082]  ? __lock_acquire+0x62f/0x4c20
[  387.106095]  ? should_fail+0x22d/0xd01
[  387.109483] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  387.113644]  ? find_held_lock+0x36/0x1c0
[  387.120098] ksoftirqd/0 cpuset=/ mems_allowed=0
[  387.125182]  ? mark_held_locks+0x130/0x130
[  387.156428]  ? mark_held_locks+0x130/0x130
[  387.160650]  ? zap_class+0x640/0x640
[  387.164349]  ? zap_class+0x640/0x640
[  387.168057]  ? print_usage_bug+0xc0/0xc0
[  387.172105]  ? do_raw_spin_unlock+0xa7/0x330
[  387.176497]  ? zap_class+0x640/0x640
[  387.180201]  ? print_usage_bug+0xc0/0xc0
[  387.184248]  ? wq_watchdog_touch+0x9c/0xfe
[  387.188470]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.193994]  ? check_preemption_disabled+0x48/0x280
[  387.199007]  ? __lock_is_held+0xb5/0x140
[  387.203058]  __alloc_pages_nodemask+0xad8/0xea0
[  387.207715]  ? zap_class+0x640/0x640
[  387.211419]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  387.216430]  ? find_held_lock+0x36/0x1c0
[  387.220485]  ? ____cache_alloc_node+0x1c7/0x1e0
[  387.225151]  ? lock_downgrade+0x900/0x900
[  387.229291]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.234818]  cache_grow_begin+0xa5/0x8c0
[  387.238862]  ? do_raw_spin_unlock+0xa7/0x330
[  387.243274]  fallback_alloc+0x204/0x2e0
[  387.247272]  ____cache_alloc_node+0x1c7/0x1e0
[  387.251757]  kmem_cache_alloc_node+0xe3/0x730
[  387.256239]  ? ipv6_get_ifaddr+0x42e/0x620
[  387.260470]  __alloc_skb+0x119/0x770
[  387.264171]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  387.269436]  ? netdev_alloc_frag+0x1f0/0x1f0
[  387.273828]  ? lock_downgrade+0x900/0x900
[  387.277967]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.283490]  ? refcount_sub_and_test_checked+0x203/0x310
[  387.288929]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  387.294372]  ? addrconf_rs_timer+0x690/0x690
[  387.298776]  ndisc_alloc_skb+0x144/0x340
[  387.302828]  ndisc_send_rs+0x331/0x6e0
[  387.306712]  addrconf_rs_timer+0x314/0x690
[  387.310946]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.315176]  call_timer_fn+0x272/0x920
[  387.319050]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.323272]  ? process_timeout+0x40/0x40
[  387.327326]  ? __run_timers+0x7da/0xc70
[  387.331286]  ? _raw_spin_unlock_irq+0x27/0x80
[  387.335768]  ? _raw_spin_unlock_irq+0x27/0x80
[  387.340245]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.344466]  ? lockdep_hardirqs_on+0x296/0x5b0
[  387.349033]  ? trace_hardirqs_on+0xbd/0x310
[  387.353339]  ? kasan_check_read+0x11/0x20
[  387.357476]  ? __run_timers+0x7da/0xc70
[  387.361436]  ? trace_hardirqs_off_caller+0x310/0x310
[  387.366524]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.370748]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.374969]  __run_timers+0x7e5/0xc70
[  387.378763]  ? timer_fixup_init+0x70/0x70
[  387.382897]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  387.387896]  ? zap_class+0x640/0x640
[  387.391596]  ? enqueue_hrtimer+0x1a5/0x560
[  387.395819]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  387.401003]  ? find_held_lock+0x36/0x1c0
[  387.405057]  ? zap_class+0x640/0x640
[  387.408767]  ? pvclock_read_flags+0x160/0x160
[  387.413256]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.418781]  ? check_preemption_disabled+0x48/0x280
[  387.423794]  ? __lock_is_held+0xb5/0x140
[  387.427849]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.433381]  ? check_preemption_disabled+0x48/0x280
[  387.438395]  run_timer_softirq+0x52/0xb0
[  387.442449]  ? rcu_read_lock_sched_held+0x14f/0x180
[  387.447458]  __do_softirq+0x308/0xb7e
[  387.451256]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  387.455741]  ? lock_downgrade+0x900/0x900
[  387.459882]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  387.464982]  ? pvclock_read_flags+0x160/0x160
[  387.469468]  ? lapic_next_event+0x5a/0x90
[  387.473604]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.479147]  ? kvm_clock_read+0x18/0x30
[  387.483113]  ? kvm_sched_clock_read+0x9/0x20
[  387.487511]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.493037]  ? check_preemption_disabled+0x48/0x280
[  387.498062]  irq_exit+0x17f/0x1c0
[  387.501503]  smp_apic_timer_interrupt+0x1cb/0x760
[  387.506330]  ? smp_reschedule_interrupt+0x109/0x650
[  387.511333]  ? smp_call_function_single_interrupt+0x650/0x650
[  387.517205]  ? interrupt_entry+0xb5/0xc0
[  387.521254]  ? trace_hardirqs_off_caller+0xbb/0x310
[  387.526255]  ? trace_hardirqs_off_caller+0xbb/0x310
[  387.531260]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  387.536088]  ? trace_hardirqs_on_caller+0x310/0x310
[  387.541088]  ? trace_hardirqs_on_caller+0x310/0x310
[  387.546107]  ? task_prio+0x50/0x50
[  387.549636]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.555161]  ? check_preemption_disabled+0x48/0x280
[  387.560168]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  387.565000]  apic_timer_interrupt+0xf/0x20
[  387.569212]  </IRQ>
[  387.571456] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  387.577325] Code: 3e 7e 0f 85 32 ff ff ff e8 03 6a 3d ff e9 28 ff ff ff e8 4a 99 c2 ff 48 83 3d c2 ed 8e 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 ca 05
[  387.596207] RSP: 0018:ffff888198b071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  387.603897] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  387.611157] RDX: 0000000000000000 RSI: ffff8881bbc289c0 RDI: 0000000000000286
[  387.618416] RBP: ffff888198b07250 R08: ffff8881bbc28140 R09: 0000000000000000
[  387.625668] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800940
[  387.632937] R13: ffff8881da800940 R14: 0000000000000000 R15: 0000000000000286
[  387.640210]  ? save_stack+0xa9/0xd0
[  387.643939]  __kmalloc_node_track_caller+0x3c/0x70
[  387.648855]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  387.653600]  pskb_expand_head+0x230/0x10f0
[  387.657822]  ? memcpy+0x45/0x50
[  387.661091]  ? __copy_skb_header+0x350/0x6b0
[  387.665490]  ? skb_release_data+0x9a0/0x9a0
[  387.669798]  ? __alloc_skb+0x770/0x770
[  387.673689]  ? __lock_is_held+0xb5/0x140
[  387.677745]  ? kasan_check_write+0x14/0x20
[  387.681964]  ? __skb_clone+0x6c7/0xa00
[  387.685838]  ? __copy_skb_header+0x6b0/0x6b0
[  387.690231]  ? kmem_cache_alloc+0x33a/0x730
[  387.694549]  skb_ensure_writable+0x3dd/0x640
[  387.698976]  ? skb_checksum_setup+0xaa0/0xaa0
[  387.703459]  ? check_preemption_disabled+0x48/0x280
[  387.708466]  ? __this_cpu_preempt_check+0x1c/0x20
[  387.713301]  ? __bpf_redirect+0x55b/0xb60
[  387.717443]  bpf_clone_redirect+0x14a/0x490
[  387.721757]  bpf_prog_88483476fbe68a28+0x6f0/0x1000
[  387.726761]  ? __sched_text_start+0x8/0x8
[  387.730908]  ? find_held_lock+0x36/0x1c0
[  387.734964]  ? lock_acquire+0x1ed/0x520
[  387.738931]  ? bpf_test_run+0x3ee/0x7a0
[  387.742893]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.748420]  ? check_preemption_disabled+0x48/0x280
[  387.753428]  ? kasan_check_read+0x11/0x20
[  387.757563]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  387.762827]  ? rcu_softirq_qs+0x20/0x20
[  387.766785]  ? preempt_schedule+0x4d/0x60
[  387.770924]  ? ___preempt_schedule+0x16/0x18
[  387.775323]  ? bpf_test_run+0x271/0x7a0
[  387.779291]  ? netlink_diag_dump+0x2a0/0x2a0
[  387.783688]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  387.789210]  ? bpf_test_init.isra.10+0x70/0x100
[  387.793876]  ? bpf_prog_test_run_skb+0x762/0xd90
[  387.798632]  ? bpf_test_finish.isra.9+0x260/0x260
[  387.803467]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  387.808989]  ? fput+0x130/0x1a0
[  387.812259]  ? __bpf_prog_get+0x9b/0x290
[  387.816321]  ? bpf_test_finish.isra.9+0x260/0x260
[  387.821155]  ? __do_sys_bpf+0x1898/0x4570
[  387.825291]  ? bpf_prog_load+0x1db0/0x1db0
[  387.829514]  ? find_held_lock+0x36/0x1c0
[  387.833569]  ? __might_fault+0x12b/0x1e0
[  387.837631]  ? lock_downgrade+0x900/0x900
[  387.841773]  ? lock_release+0xa00/0xa00
[  387.845734]  ? perf_trace_sched_process_exec+0x860/0x860
[  387.851166]  ? posix_ktime_get_ts+0x15/0x20
[  387.855475]  ? trace_hardirqs_off_caller+0x310/0x310
[  387.860580]  ? kasan_check_read+0x11/0x20
[  387.864719]  ? _copy_to_user+0xc8/0x110
[  387.868683]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  387.874207]  ? put_timespec64+0x10f/0x1b0
[  387.878345]  ? nsecs_to_jiffies+0x30/0x30
[  387.882492]  ? trace_hardirqs_off_caller+0x310/0x310
[  387.887588]  ? __x64_sys_bpf+0x73/0xb0
[  387.891467]  ? do_syscall_64+0x1b9/0x820
[  387.895515]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  387.900865]  ? syscall_return_slowpath+0x5e0/0x5e0
[  387.905789]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  387.910620]  ? trace_hardirqs_on_caller+0x310/0x310
[  387.915626]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  387.920632]  ? prepare_exit_to_usermode+0x291/0x3b0
[  387.925640]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  387.930478]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  387.935929] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #181
[  387.935994] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  387.942749] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  387.942755] Call Trace:
[  387.949289] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  387.958556]  dump_stack+0x244/0x39d
[  387.961107] syz-executor0 cpuset=syz0 mems_allowed=0
[  387.971569]  ? dump_stack_print_info.cold.1+0x20/0x20
[  387.985446]  warn_alloc.cold.116+0xb7/0x1bd
[  387.989756]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  387.994586]  ? lock_downgrade+0x900/0x900
[  387.998722]  ? trace_hardirqs_off+0xb8/0x310
[  388.003121]  ? trace_hardirqs_off+0xb8/0x310
[  388.007524]  __alloc_pages_slowpath+0x2651/0x2de0
[  388.012373]  ? warn_alloc+0x120/0x120
[  388.016190]  ? print_usage_bug+0xc0/0xc0
[  388.020242]  ? warn_alloc+0x120/0x120
[  388.024039]  ? warn_alloc+0x120/0x120
[  388.027828]  ? print_usage_bug+0xc0/0xc0
[  388.031879]  ? print_usage_bug+0xc0/0xc0
[  388.035941]  ? __lock_acquire+0x62f/0x4c20
[  388.040169]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  388.045694]  ? should_fail+0x22d/0xd01
[  388.049571]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  388.054678]  ? __lock_acquire+0x62f/0x4c20
[  388.058913]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  388.064003]  ? __lock_acquire+0x62f/0x4c20
[  388.068219]  ? should_fail+0x22d/0xd01
[  388.072091]  ? find_held_lock+0x36/0x1c0
[  388.076150]  ? mark_held_locks+0x130/0x130
[  388.080376]  ? mark_held_locks+0x130/0x130
[  388.084592]  ? zap_class+0x640/0x640
[  388.088293]  ? zap_class+0x640/0x640
[  388.091993]  ? print_usage_bug+0xc0/0xc0
[  388.096038]  ? do_raw_spin_unlock+0xa7/0x330
[  388.100432]  ? zap_class+0x640/0x640
[  388.104128]  ? print_usage_bug+0xc0/0xc0
[  388.108176]  ? wq_watchdog_touch+0x9c/0xfe
[  388.112398]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.117920]  ? check_preemption_disabled+0x48/0x280
[  388.122925]  ? __lock_is_held+0xb5/0x140
[  388.126976]  __alloc_pages_nodemask+0xad8/0xea0
[  388.131627]  ? zap_class+0x640/0x640
[  388.135329]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  388.140338]  ? find_held_lock+0x36/0x1c0
[  388.144391]  ? ____cache_alloc_node+0x1c7/0x1e0
[  388.149046]  ? lock_downgrade+0x900/0x900
[  388.153186]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.158713]  cache_grow_begin+0xa5/0x8c0
[  388.162758]  ? do_raw_spin_unlock+0xa7/0x330
[  388.167159]  fallback_alloc+0x204/0x2e0
[  388.171127]  ____cache_alloc_node+0x1c7/0x1e0
[  388.175614]  kmem_cache_alloc_node+0xe3/0x730
[  388.180098]  ? ipv6_get_ifaddr+0x42e/0x620
[  388.184326]  __alloc_skb+0x119/0x770
[  388.188023]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  388.193289]  ? netdev_alloc_frag+0x1f0/0x1f0
[  388.197686]  ? lock_downgrade+0x900/0x900
[  388.201824]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.207356]  ? refcount_sub_and_test_checked+0x203/0x310
[  388.212798]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  388.218240]  ? addrconf_rs_timer+0x690/0x690
[  388.222645]  ndisc_alloc_skb+0x144/0x340
[  388.226697]  ndisc_send_rs+0x331/0x6e0
[  388.230574]  addrconf_rs_timer+0x314/0x690
[  388.234798]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.239028]  call_timer_fn+0x272/0x920
[  388.242898]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.247117]  ? process_timeout+0x40/0x40
[  388.251173]  ? __run_timers+0x7da/0xc70
[  388.255141]  ? _raw_spin_unlock_irq+0x27/0x80
[  388.259619]  ? _raw_spin_unlock_irq+0x27/0x80
[  388.264103]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.268328]  ? lockdep_hardirqs_on+0x296/0x5b0
[  388.272894]  ? trace_hardirqs_on+0xbd/0x310
[  388.277198]  ? kasan_check_read+0x11/0x20
[  388.281332]  ? __run_timers+0x7da/0xc70
[  388.285294]  ? trace_hardirqs_off_caller+0x310/0x310
[  388.290385]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.294608]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.298826]  __run_timers+0x7e5/0xc70
[  388.302628]  ? timer_fixup_init+0x70/0x70
[  388.306763]  ? _raw_spin_unlock_irq+0x27/0x80
[  388.311243]  ? _raw_spin_unlock_irq+0x27/0x80
[  388.315966]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  388.320540]  ? trace_hardirqs_on+0xbd/0x310
[  388.324849]  ? kasan_check_read+0x11/0x20
[  388.328988]  ? finish_task_switch+0x1f4/0x910
[  388.333472]  ? trace_hardirqs_off_caller+0x310/0x310
[  388.338561]  ? compat_start_thread+0x80/0x80
[  388.342967]  ? pvclock_read_flags+0x160/0x160
[  388.347444]  ? __switch_to_asm+0x34/0x70
[  388.351497]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.357027]  ? check_preemption_disabled+0x48/0x280
[  388.362041]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  388.367575]  ? rcu_pm_notify+0xc0/0xc0
[  388.371549]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.377073]  ? check_preemption_disabled+0x48/0x280
[  388.382080]  run_timer_softirq+0x52/0xb0
[  388.386132]  ? rcu_read_lock_sched_held+0x14f/0x180
[  388.391241]  __do_softirq+0x308/0xb7e
[  388.395032]  ? retint_kernel+0x2d/0x2d
[  388.398910]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  388.403999]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  388.409438]  ? rcu_irq_enter+0x18c/0x310
[  388.413490]  ? schedule+0x108/0x460
[  388.417103]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  388.421872]  ? trace_hardirqs_off+0xb8/0x310
[  388.426265]  ? smpboot_thread_fn+0x68b/0xa00
[  388.430656]  ? trace_hardirqs_on+0x310/0x310
[  388.435052]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  388.440580]  ? check_preemption_disabled+0x48/0x280
[  388.445582]  ? takeover_tasklets+0xa90/0xa90
[  388.449977]  run_ksoftirqd+0x5e/0x100
[  388.453766]  smpboot_thread_fn+0x68b/0xa00
[  388.457994]  ? sort_range+0x30/0x30
[  388.461604]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  388.466693]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  388.472213]  ? __kthread_parkme+0xfb/0x1a0
[  388.476437]  ? sort_range+0x30/0x30
[  388.480047]  kthread+0x35a/0x440
[  388.483580]  ? kthread_stop+0x900/0x900
[  388.487544]  ret_from_fork+0x3a/0x50
[  388.491256] CPU: 1 PID: 16176 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #181
[  388.491260] warn_alloc_show_mem: 1 callbacks suppressed
[  388.491265] Mem-Info:
[  388.498713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  388.498719] Call Trace:
[  388.504091] active_anon:54949 inactive_anon:10067 isolated_anon:0
[  388.504091]  active_file:12 inactive_file:12 isolated_file:0
[  388.504091]  unevictable:0 dirty:0 writeback:0 unstable:0
[  388.504091]  slab_reclaimable:9454 slab_unreclaimable:1442611
[  388.504091]  mapped:40962 shmem:10230 pagetables:596 bounce:0
[  388.504091]  free:13765 free_pcp:525 free_cma:0
[  388.506454]  <IRQ>
[  388.515802] Node 0 active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:40920kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 202752kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  388.518369]  dump_stack+0x244/0x39d
[  388.551558] 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
[  388.553695]  ? dump_stack_print_info.cold.1+0x20/0x20
[  388.581498] lowmem_reserve[]: 0 2818 6321 6321
[  388.585115]  warn_alloc.cold.116+0xb7/0x1bd
[  388.611183] Node 0 DMA32 free:25248kB 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:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  388.616352]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  388.620897] lowmem_reserve[]: 0 0 3503 3503
[  388.625200]  ? lock_downgrade+0x900/0x900
[  388.652486] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2384kB bounce:0kB free_pcp:1852kB local_pcp:1500kB free_cma:0kB
[  388.657323]  ? trace_hardirqs_off+0xb8/0x310
[  388.661599] lowmem_reserve[]: 0 0 0 0
[  388.666084]  ? trace_hardirqs_off+0xb8/0x310
[  388.695276] 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
[  388.699669]  __alloc_pages_slowpath+0x2651/0x2de0
[  388.703435] Node 0 DMA32: 4*4kB (UM) 0*8kB 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB
[  388.707848]  ? warn_alloc+0x120/0x120
[  388.721315] Node 0 Normal: 1308*4kB (ME) 392*8kB (UME) 140*16kB (ME) 47*32kB (ME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  388.726140]  ? print_usage_bug+0xc0/0xc0
[  388.741018] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  388.744790]  ? warn_alloc+0x120/0x120
[  388.759407] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  388.763444]  ? warn_alloc+0x120/0x120
[  388.772243] 10254 total pagecache pages
[  388.776023]  ? print_usage_bug+0xc0/0xc0
[  388.784568] 0 pages in swap cache
[  388.788342]  ? kvm_clock_read+0x18/0x30
[  388.792283] Swap cache stats: add 0, delete 0, find 0/0
[  388.796320]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  388.799738] Free swap  = 0kB
[  388.803687]  ? print_usage_bug+0xc0/0xc0
[  388.809012] Total swap = 0kB
[  388.814007]  ? __lock_acquire+0x62f/0x4c20
[  388.816992] 1965979 pages RAM
[  388.821030]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  388.824011] 0 pages HighMem/MovableOnly
[  388.828223]  ? should_fail+0x22d/0xd01
[  388.831290] 342853 pages reserved
[  388.836807]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  388.840746] 0 pages cma reserved
[  388.844612]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  388.848098] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  388.853279]  ? __lock_acquire+0x62f/0x4c20
[  388.856683] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  388.861691]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  388.868149] ksoftirqd/0 cpuset=/ mems_allowed=0
[  388.872357]  ? __lock_acquire+0x62f/0x4c20
[  388.872370]  ? should_fail+0x22d/0xd01
[  388.900457]  ? rcu_irq_exit+0x1a2/0x390
[  388.904422]  ? mark_held_locks+0x130/0x130
[  388.908644]  ? mark_held_locks+0x130/0x130
[  388.912883]  ? mark_held_locks+0xc7/0x130
[  388.917017]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  388.922020]  ? zap_class+0x640/0x640
[  388.925728]  ? print_usage_bug+0xc0/0xc0
[  388.929780]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.935302]  ? check_preemption_disabled+0x48/0x280
[  388.940308]  ? __lock_is_held+0xb5/0x140
[  388.944362]  __alloc_pages_nodemask+0xad8/0xea0
[  388.949015]  ? zap_class+0x640/0x640
[  388.952721]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  388.957728]  ? find_held_lock+0x36/0x1c0
[  388.961783]  ? ____cache_alloc_node+0x1c7/0x1e0
[  388.966437]  ? lock_downgrade+0x900/0x900
[  388.970582]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.976111]  cache_grow_begin+0xa5/0x8c0
[  388.980158]  ? do_raw_spin_unlock+0xa7/0x330
[  388.984558]  fallback_alloc+0x204/0x2e0
[  388.988529]  ____cache_alloc_node+0x1c7/0x1e0
[  388.993023]  kmem_cache_alloc_node+0xe3/0x730
[  388.997509]  ? ipv6_get_ifaddr+0x42e/0x620
[  389.001737]  __alloc_skb+0x119/0x770
[  389.005437]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  389.010706]  ? netdev_alloc_frag+0x1f0/0x1f0
[  389.015100]  ? lock_downgrade+0x900/0x900
[  389.019242]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.024767]  ? refcount_sub_and_test_checked+0x203/0x310
[  389.030204]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  389.035640]  ? addrconf_rs_timer+0x690/0x690
[  389.040041]  ndisc_alloc_skb+0x144/0x340
[  389.044094]  ndisc_send_rs+0x331/0x6e0
[  389.047976]  addrconf_rs_timer+0x314/0x690
[  389.052207]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  389.056455]  call_timer_fn+0x272/0x920
[  389.060326]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  389.064545]  ? process_timeout+0x40/0x40
[  389.068606]  ? __run_timers+0x7da/0xc70
[  389.072574]  ? _raw_spin_unlock_irq+0x27/0x80
[  389.077055]  ? _raw_spin_unlock_irq+0x27/0x80
[  389.081537]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  389.085755]  ? lockdep_hardirqs_on+0x296/0x5b0
[  389.090325]  ? trace_hardirqs_on+0xbd/0x310
[  389.094634]  ? kasan_check_read+0x11/0x20
[  389.098764]  ? __run_timers+0x7da/0xc70
[  389.102725]  ? trace_hardirqs_off_caller+0x310/0x310
[  389.107825]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  389.112049]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  389.116283]  __run_timers+0x7e5/0xc70
[  389.120087]  ? timer_fixup_init+0x70/0x70
[  389.124224]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  389.129223]  ? zap_class+0x640/0x640
[  389.132923]  ? enqueue_hrtimer+0x1a5/0x560
[  389.137147]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  389.142327]  ? find_held_lock+0x36/0x1c0
[  389.146377]  ? zap_class+0x640/0x640
[  389.150082]  ? pvclock_read_flags+0x160/0x160
[  389.154566]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.160090]  ? check_preemption_disabled+0x48/0x280
[  389.165096]  ? __lock_is_held+0xb5/0x140
[  389.169148]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.174669]  ? check_preemption_disabled+0x48/0x280
[  389.179676]  run_timer_softirq+0x52/0xb0
[  389.183724]  ? rcu_read_lock_sched_held+0x14f/0x180
[  389.188726]  __do_softirq+0x308/0xb7e
[  389.192514]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  389.196997]  ? lock_downgrade+0x900/0x900
[  389.201144]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  389.206236]  ? pvclock_read_flags+0x160/0x160
[  389.210719]  ? lapic_next_event+0x5a/0x90
[  389.214853]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.220393]  ? kvm_clock_read+0x18/0x30
[  389.224354]  ? kvm_sched_clock_read+0x9/0x20
[  389.228751]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.234279]  ? check_preemption_disabled+0x48/0x280
[  389.239290]  irq_exit+0x17f/0x1c0
[  389.242733]  smp_apic_timer_interrupt+0x1cb/0x760
[  389.247566]  ? smp_reschedule_interrupt+0x109/0x650
[  389.252653]  ? smp_call_function_single_interrupt+0x650/0x650
[  389.258522]  ? interrupt_entry+0xb5/0xc0
[  389.262572]  ? trace_hardirqs_off_caller+0xbb/0x310
[  389.267574]  ? trace_hardirqs_off_caller+0xbb/0x310
[  389.272581]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  389.277411]  ? trace_hardirqs_on_caller+0x310/0x310
[  389.282411]  ? trace_hardirqs_on_caller+0x310/0x310
[  389.287413]  ? task_prio+0x50/0x50
[  389.290945]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.296466]  ? check_preemption_disabled+0x48/0x280
[  389.301472]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  389.306305]  apic_timer_interrupt+0xf/0x20
[  389.310518]  </IRQ>
[  389.312742] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  389.318615] Code: 3e 7e 0f 85 32 ff ff ff e8 03 6a 3d ff e9 28 ff ff ff e8 4a 99 c2 ff 48 83 3d c2 ed 8e 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 ca 05
[  389.337497] RSP: 0018:ffff888198b071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  389.345187] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  389.352440] RDX: 0000000000000000 RSI: ffff8881bbc289c0 RDI: 0000000000000286
[  389.359695] RBP: ffff888198b07250 R08: ffff8881bbc28140 R09: 0000000000000000
[  389.366947] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800940
[  389.374202] R13: ffff8881da800940 R14: 0000000000000000 R15: 0000000000000286
[  389.381477]  ? save_stack+0xa9/0xd0
[  389.385099]  __kmalloc_node_track_caller+0x3c/0x70
[  389.390016]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  389.394767]  pskb_expand_head+0x230/0x10f0
[  389.398994]  ? memcpy+0x45/0x50
[  389.402263]  ? __copy_skb_header+0x350/0x6b0
[  389.406656]  ? skb_release_data+0x9a0/0x9a0
[  389.410964]  ? __alloc_skb+0x770/0x770
[  389.414847]  ? __lock_is_held+0xb5/0x140
[  389.418900]  ? kasan_check_write+0x14/0x20
[  389.423118]  ? __skb_clone+0x6c7/0xa00
[  389.426998]  ? __copy_skb_header+0x6b0/0x6b0
[  389.431391]  ? kmem_cache_alloc+0x33a/0x730
[  389.435709]  skb_ensure_writable+0x3dd/0x640
[  389.440109]  ? skb_checksum_setup+0xaa0/0xaa0
[  389.444589]  ? check_preemption_disabled+0x48/0x280
[  389.449592]  ? __this_cpu_preempt_check+0x1c/0x20
[  389.454422]  ? __bpf_redirect+0x55b/0xb60
[  389.458567]  bpf_clone_redirect+0x14a/0x490
[  389.462879]  bpf_prog_88483476fbe68a28+0x6f0/0x1000
[  389.467889]  ? __sched_text_start+0x8/0x8
[  389.472031]  ? find_held_lock+0x36/0x1c0
[  389.476086]  ? lock_acquire+0x1ed/0x520
[  389.480047]  ? bpf_test_run+0x3ee/0x7a0
[  389.484008]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.489530]  ? check_preemption_disabled+0x48/0x280
[  389.494549]  ? kasan_check_read+0x11/0x20
[  389.498686]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  389.503948]  ? rcu_softirq_qs+0x20/0x20
[  389.507909]  ? preempt_schedule+0x4d/0x60
[  389.512042]  ? ___preempt_schedule+0x16/0x18
[  389.516455]  ? bpf_test_run+0x271/0x7a0
[  389.520421]  ? netlink_diag_dump+0x2a0/0x2a0
[  389.524820]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  389.530348]  ? bpf_test_init.isra.10+0x70/0x100
[  389.535021]  ? bpf_prog_test_run_skb+0x762/0xd90
[  389.539768]  ? bpf_test_finish.isra.9+0x260/0x260
[  389.544610]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  389.550134]  ? fput+0x130/0x1a0
[  389.553401]  ? __bpf_prog_get+0x9b/0x290
[  389.557451]  ? bpf_test_finish.isra.9+0x260/0x260
[  389.562294]  ? __do_sys_bpf+0x1898/0x4570
[  389.566432]  ? bpf_prog_load+0x1db0/0x1db0
[  389.570652]  ? find_held_lock+0x36/0x1c0
[  389.574707]  ? __might_fault+0x12b/0x1e0
[  389.578752]  ? lock_downgrade+0x900/0x900
[  389.582891]  ? lock_release+0xa00/0xa00
[  389.586847]  ? perf_trace_sched_process_exec+0x860/0x860
[  389.592282]  ? posix_ktime_get_ts+0x15/0x20
[  389.596589]  ? trace_hardirqs_off_caller+0x310/0x310
[  389.601695]  ? kasan_check_read+0x11/0x20
[  389.605826]  ? _copy_to_user+0xc8/0x110
[  389.609791]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  389.615314]  ? put_timespec64+0x10f/0x1b0
[  389.619450]  ? nsecs_to_jiffies+0x30/0x30
[  389.623594]  ? trace_hardirqs_off_caller+0x310/0x310
[  389.628687]  ? __x64_sys_bpf+0x73/0xb0
[  389.632563]  ? do_syscall_64+0x1b9/0x820
[  389.636618]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  389.641971]  ? syscall_return_slowpath+0x5e0/0x5e0
[  389.646886]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  389.651718]  ? trace_hardirqs_on_caller+0x310/0x310
[  389.656724]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  389.661727]  ? prepare_exit_to_usermode+0x291/0x3b0
[  389.666732]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  389.671568]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  389.676939] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #181
[  389.677005] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  389.683780] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  389.690315] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  389.699574] Call Trace:
[  389.710035] syz-executor0 cpuset=syz0 mems_allowed=0
[  389.712609]  dump_stack+0x244/0x39d
[  389.721308]  ? dump_stack_print_info.cold.1+0x20/0x20
[  389.726495]  warn_alloc.cold.116+0xb7/0x1bd
[  389.730808]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  389.735642]  ? lock_downgrade+0x900/0x900
[  389.739894]  ? trace_hardirqs_off+0xb8/0x310
[  389.744290]  ? trace_hardirqs_off+0xb8/0x310
[  389.748689]  __alloc_pages_slowpath+0x2651/0x2de0
[  389.753536]  ? warn_alloc+0x120/0x120
[  389.757412]  ? print_usage_bug+0xc0/0xc0
[  389.761460]  ? warn_alloc+0x120/0x120
[  389.765251]  ? warn_alloc+0x120/0x120
[  389.769044]  ? print_usage_bug+0xc0/0xc0
[  389.773109]  ? print_usage_bug+0xc0/0xc0
[  389.777157]  ? __lock_acquire+0x62f/0x4c20
[  389.781384]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  389.786918]  ? should_fail+0x22d/0xd01
[  389.790796]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  389.795889]  ? __lock_acquire+0x62f/0x4c20
[  389.800110]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  389.805196]  ? __lock_acquire+0x62f/0x4c20
[  389.809417]  ? should_fail+0x22d/0xd01
[  389.813287]  ? find_held_lock+0x36/0x1c0
[  389.817342]  ? mark_held_locks+0x130/0x130
[  389.821566]  ? mark_held_locks+0x130/0x130
[  389.825888]  ? zap_class+0x640/0x640
[  389.829591]  ? mark_held_locks+0xc7/0x130
[  389.833724]  ? do_raw_spin_unlock+0xa7/0x330
[  389.838222]  ? zap_class+0x640/0x640
[  389.841923]  ? print_usage_bug+0xc0/0xc0
[  389.846065]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.851587]  ? check_preemption_disabled+0x48/0x280
[  389.856593]  ? __lock_is_held+0xb5/0x140
[  389.860650]  __alloc_pages_nodemask+0xad8/0xea0
[  389.865304]  ? zap_class+0x640/0x640
[  389.869012]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  389.874024]  ? find_held_lock+0x36/0x1c0
[  389.878079]  ? ____cache_alloc_node+0x1c7/0x1e0
[  389.882733]  ? lock_downgrade+0x900/0x900
[  389.886881]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.892413]  cache_grow_begin+0xa5/0x8c0
[  389.896460]  ? do_raw_spin_unlock+0xa7/0x330
[  389.900857]  fallback_alloc+0x204/0x2e0
[  389.904819]  ____cache_alloc_node+0x1c7/0x1e0
[  389.909304]  kmem_cache_alloc_node+0xe3/0x730
[  389.913787]  ? ipv6_get_ifaddr+0x42e/0x620
[  389.918023]  __alloc_skb+0x119/0x770
[  389.921719]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  389.926983]  ? netdev_alloc_frag+0x1f0/0x1f0
[  389.931380]  ? lock_downgrade+0x900/0x900
[  389.935520]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.941047]  ? refcount_sub_and_test_checked+0x203/0x310
[  389.946583]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  389.952019]  ? addrconf_rs_timer+0x690/0x690
[  389.956423]  ndisc_alloc_skb+0x144/0x340
[  389.960473]  ndisc_send_rs+0x331/0x6e0
[  389.964348]  addrconf_rs_timer+0x314/0x690
[  389.968574]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  389.972804]  call_timer_fn+0x272/0x920
[  389.976679]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  389.980900]  ? process_timeout+0x40/0x40
[  389.984956]  ? __run_timers+0x7da/0xc70
[  389.988936]  ? _raw_spin_unlock_irq+0x27/0x80
[  389.993420]  ? _raw_spin_unlock_irq+0x27/0x80
[  389.997916]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.002136]  ? lockdep_hardirqs_on+0x296/0x5b0
[  390.006705]  ? trace_hardirqs_on+0xbd/0x310
[  390.011019]  ? kasan_check_read+0x11/0x20
[  390.015167]  ? __run_timers+0x7da/0xc70
[  390.019125]  ? trace_hardirqs_off_caller+0x310/0x310
[  390.024215]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.028437]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.032656]  __run_timers+0x7e5/0xc70
[  390.036450]  ? timer_fixup_init+0x70/0x70
[  390.040585]  ? _raw_spin_unlock_irq+0x27/0x80
[  390.045066]  ? _raw_spin_unlock_irq+0x27/0x80
[  390.049546]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  390.054112]  ? trace_hardirqs_on+0xbd/0x310
[  390.058421]  ? kasan_check_read+0x11/0x20
[  390.062558]  ? finish_task_switch+0x1f4/0x910
[  390.067039]  ? trace_hardirqs_off_caller+0x310/0x310
[  390.072129]  ? compat_start_thread+0x80/0x80
[  390.076537]  ? pvclock_read_flags+0x160/0x160
[  390.081017]  ? __switch_to_asm+0x34/0x70
[  390.085065]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.090591]  ? check_preemption_disabled+0x48/0x280
[  390.095608]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  390.101147]  ? rcu_pm_notify+0xc0/0xc0
[  390.105024]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.110549]  ? check_preemption_disabled+0x48/0x280
[  390.115555]  run_timer_softirq+0x52/0xb0
[  390.119599]  ? rcu_read_lock_sched_held+0x14f/0x180
[  390.124599]  __do_softirq+0x308/0xb7e
[  390.128392]  ? retint_kernel+0x2d/0x2d
[  390.132279]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  390.137366]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  390.142799]  ? rcu_irq_enter+0x18c/0x310
[  390.146849]  ? schedule+0x108/0x460
[  390.150458]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  390.155207]  ? trace_hardirqs_off+0xb8/0x310
[  390.159605]  ? smpboot_thread_fn+0x68b/0xa00
[  390.164005]  ? trace_hardirqs_on+0x310/0x310
[  390.168398]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  390.173919]  ? check_preemption_disabled+0x48/0x280
[  390.178922]  ? takeover_tasklets+0xa90/0xa90
[  390.183316]  run_ksoftirqd+0x5e/0x100
[  390.187103]  smpboot_thread_fn+0x68b/0xa00
[  390.191326]  ? sort_range+0x30/0x30
[  390.194940]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  390.200028]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  390.205551]  ? __kthread_parkme+0xfb/0x1a0
[  390.209771]  ? sort_range+0x30/0x30
[  390.213385]  kthread+0x35a/0x440
[  390.216744]  ? kthread_stop+0x900/0x900
[  390.220705]  ret_from_fork+0x3a/0x50
[  390.224424] warn_alloc_show_mem: 1 callbacks suppressed
[  390.224432] CPU: 1 PID: 16176 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #181
[  390.224434] Mem-Info:
[  390.224462] active_anon:54949 inactive_anon:10067 isolated_anon:0
[  390.224462]  active_file:12 inactive_file:12 isolated_file:0
[  390.224462]  unevictable:0 dirty:0 writeback:0 unstable:0
[  390.224462]  slab_reclaimable:9454 slab_unreclaimable:1442611
[  390.224462]  mapped:40962 shmem:10230 pagetables:596 bounce:0
[  390.224462]  free:13765 free_pcp:525 free_cma:0
[  390.229788] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  390.237139] Node 0 active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:40920kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 202752kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  390.239521] Call Trace:
[  390.272716] 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
[  390.282053]  <IRQ>
[  390.309863] lowmem_reserve[]: 0 2818 6321 6321
[  390.312437]  dump_stack+0x244/0x39d
[  390.338732] Node 0 DMA32 free:25248kB 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:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  390.340879]  ? dump_stack_print_info.cold.1+0x20/0x20
[  390.345416] lowmem_reserve[]: 0 0 3503 3503
[  390.349045]  warn_alloc.cold.116+0xb7/0x1bd
[  390.376410] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2384kB bounce:0kB free_pcp:1852kB local_pcp:1500kB free_cma:0kB
[  390.381582]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  390.385866] lowmem_reserve[]: 0 0 0 0
[  390.390169]  ? lock_downgrade+0x900/0x900
[  390.419369] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  390.424195]  ? trace_hardirqs_off+0xb8/0x310
[  390.427960] Node 0 DMA32: 4*4kB (UM) 0*8kB 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB
[  390.432099]  ? trace_hardirqs_off+0xb8/0x310
[  390.445586] Node 0 Normal: 1308*4kB (ME) 392*8kB (UME) 140*16kB (ME) 47*32kB (ME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  390.449982]  __alloc_pages_slowpath+0x2651/0x2de0
[  390.464859] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  390.469278]  ? warn_alloc+0x120/0x120
[  390.484151] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  390.488983]  ? print_usage_bug+0xc0/0xc0
[  390.497790] 10254 total pagecache pages
[  390.501568]  ? warn_alloc+0x120/0x120
[  390.510114] 0 pages in swap cache
[  390.514148]  ? warn_alloc+0x120/0x120
[  390.518088] Swap cache stats: add 0, delete 0, find 0/0
[  390.521866]  ? print_usage_bug+0xc0/0xc0
[  390.525281] Free swap  = 0kB
[  390.529060]  ? kvm_clock_read+0x18/0x30
[  390.534382] Total swap = 0kB
[  390.534389] 1965979 pages RAM
[  390.538425]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  390.541405] 0 pages HighMem/MovableOnly
[  390.545357]  ? print_usage_bug+0xc0/0xc0
[  390.548340] 342853 pages reserved
[  390.551429]  ? __lock_acquire+0x62f/0x4c20
[  390.556402] 0 pages cma reserved
[  390.556475] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  390.560360]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  390.564455] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  390.567814]  ? should_fail+0x22d/0xd01
[  390.572009] ksoftirqd/0 cpuset=/ mems_allowed=0
[  390.575346]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  390.575361]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  390.616461]  ? __lock_acquire+0x62f/0x4c20
[  390.620688]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  390.625778]  ? __lock_acquire+0x62f/0x4c20
[  390.629995]  ? should_fail+0x22d/0xd01
[  390.633867]  ? rcu_irq_exit+0x1a2/0x390
[  390.637850]  ? mark_held_locks+0x130/0x130
[  390.642077]  ? mark_held_locks+0x130/0x130
[  390.646302]  ? mark_held_locks+0xc7/0x130
[  390.650440]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  390.655442]  ? zap_class+0x640/0x640
[  390.659148]  ? print_usage_bug+0xc0/0xc0
[  390.663201]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.668729]  ? check_preemption_disabled+0x48/0x280
[  390.673740]  ? __lock_is_held+0xb5/0x140
[  390.677795]  __alloc_pages_nodemask+0xad8/0xea0
[  390.682458]  ? zap_class+0x640/0x640
[  390.686163]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  390.691172]  ? find_held_lock+0x36/0x1c0
[  390.695225]  ? ____cache_alloc_node+0x1c7/0x1e0
[  390.699894]  ? lock_downgrade+0x900/0x900
[  390.704033]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.709558]  cache_grow_begin+0xa5/0x8c0
[  390.713604]  ? do_raw_spin_unlock+0xa7/0x330
[  390.718003]  fallback_alloc+0x204/0x2e0
[  390.721966]  ____cache_alloc_node+0x1c7/0x1e0
[  390.726455]  kmem_cache_alloc_node+0xe3/0x730
[  390.730940]  ? ipv6_get_ifaddr+0x42e/0x620
[  390.735167]  __alloc_skb+0x119/0x770
[  390.738868]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  390.744135]  ? netdev_alloc_frag+0x1f0/0x1f0
[  390.748532]  ? lock_downgrade+0x900/0x900
[  390.752671]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.758201]  ? refcount_sub_and_test_checked+0x203/0x310
[  390.763638]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  390.769073]  ? addrconf_rs_timer+0x690/0x690
[  390.773489]  ndisc_alloc_skb+0x144/0x340
[  390.777537]  ndisc_send_rs+0x331/0x6e0
[  390.781414]  addrconf_rs_timer+0x314/0x690
[  390.785637]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.789863]  call_timer_fn+0x272/0x920
[  390.793737]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.797955]  ? process_timeout+0x40/0x40
[  390.802008]  ? __run_timers+0x7da/0xc70
[  390.805971]  ? _raw_spin_unlock_irq+0x27/0x80
[  390.810457]  ? _raw_spin_unlock_irq+0x27/0x80
[  390.814940]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.819161]  ? lockdep_hardirqs_on+0x296/0x5b0
[  390.823731]  ? trace_hardirqs_on+0xbd/0x310
[  390.828039]  ? kasan_check_read+0x11/0x20
[  390.832172]  ? __run_timers+0x7da/0xc70
[  390.836133]  ? trace_hardirqs_off_caller+0x310/0x310
[  390.841224]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.845453]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.849669]  __run_timers+0x7e5/0xc70
[  390.853473]  ? timer_fixup_init+0x70/0x70
[  390.857609]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  390.862613]  ? zap_class+0x640/0x640
[  390.866326]  ? enqueue_hrtimer+0x1a5/0x560
[  390.870550]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  390.875730]  ? find_held_lock+0x36/0x1c0
[  390.879784]  ? zap_class+0x640/0x640
[  390.883510]  ? pvclock_read_flags+0x160/0x160
[  390.888008]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.893532]  ? check_preemption_disabled+0x48/0x280
[  390.898545]  ? __lock_is_held+0xb5/0x140
[  390.902591]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.908113]  ? check_preemption_disabled+0x48/0x280
[  390.913116]  run_timer_softirq+0x52/0xb0
[  390.917162]  ? rcu_read_lock_sched_held+0x14f/0x180
[  390.922162]  __do_softirq+0x308/0xb7e
[  390.925954]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  390.930438]  ? lock_downgrade+0x900/0x900
[  390.934576]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  390.939671]  ? pvclock_read_flags+0x160/0x160
[  390.944162]  ? lapic_next_event+0x5a/0x90
[  390.948295]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.953825]  ? kvm_clock_read+0x18/0x30
[  390.957783]  ? kvm_sched_clock_read+0x9/0x20
[  390.962177]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.967703]  ? check_preemption_disabled+0x48/0x280
[  390.972711]  irq_exit+0x17f/0x1c0
[  390.976150]  smp_apic_timer_interrupt+0x1cb/0x760
[  390.980976]  ? smp_reschedule_interrupt+0x109/0x650
[  390.985984]  ? smp_call_function_single_interrupt+0x650/0x650
[  390.991853]  ? interrupt_entry+0xb5/0xc0
[  390.995904]  ? trace_hardirqs_off_caller+0xbb/0x310
[  391.000910]  ? trace_hardirqs_off_caller+0xbb/0x310
[  391.005914]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  391.010741]  ? trace_hardirqs_on_caller+0x310/0x310
[  391.015741]  ? trace_hardirqs_on_caller+0x310/0x310
[  391.020746]  ? task_prio+0x50/0x50
[  391.024270]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.029791]  ? check_preemption_disabled+0x48/0x280
[  391.034796]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  391.039631]  apic_timer_interrupt+0xf/0x20
[  391.043850]  </IRQ>
[  391.046076] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  391.051947] Code: 3e 7e 0f 85 32 ff ff ff e8 03 6a 3d ff e9 28 ff ff ff e8 4a 99 c2 ff 48 83 3d c2 ed 8e 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 ca 05
[  391.070831] RSP: 0018:ffff888198b071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  391.078533] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  391.085791] RDX: 0000000000000000 RSI: ffff8881bbc289c0 RDI: 0000000000000286
[  391.093045] RBP: ffff888198b07250 R08: ffff8881bbc28140 R09: 0000000000000000
[  391.100313] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800940
[  391.107574] R13: ffff8881da800940 R14: 0000000000000000 R15: 0000000000000286
[  391.114846]  ? save_stack+0xa9/0xd0
[  391.118471]  __kmalloc_node_track_caller+0x3c/0x70
[  391.123394]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  391.128141]  pskb_expand_head+0x230/0x10f0
[  391.132364]  ? memcpy+0x45/0x50
[  391.135628]  ? __copy_skb_header+0x350/0x6b0
[  391.140025]  ? skb_release_data+0x9a0/0x9a0
[  391.144333]  ? __alloc_skb+0x770/0x770
[  391.148211]  ? __lock_is_held+0xb5/0x140
[  391.152275]  ? kasan_check_write+0x14/0x20
[  391.156495]  ? __skb_clone+0x6c7/0xa00
[  391.160369]  ? __copy_skb_header+0x6b0/0x6b0
[  391.164873]  ? kmem_cache_alloc+0x33a/0x730
[  391.169186]  skb_ensure_writable+0x3dd/0x640
[  391.173583]  ? skb_checksum_setup+0xaa0/0xaa0
[  391.178061]  ? check_preemption_disabled+0x48/0x280
[  391.183066]  ? __this_cpu_preempt_check+0x1c/0x20
[  391.187894]  ? __bpf_redirect+0x55b/0xb60
[  391.192034]  bpf_clone_redirect+0x14a/0x490
[  391.196347]  bpf_prog_88483476fbe68a28+0x6f0/0x1000
[  391.201351]  ? __sched_text_start+0x8/0x8
[  391.205494]  ? find_held_lock+0x36/0x1c0
[  391.209548]  ? lock_acquire+0x1ed/0x520
[  391.213506]  ? bpf_test_run+0x3ee/0x7a0
[  391.217471]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.222999]  ? check_preemption_disabled+0x48/0x280
[  391.228005]  ? kasan_check_read+0x11/0x20
[  391.232135]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  391.237397]  ? rcu_softirq_qs+0x20/0x20
[  391.241364]  ? preempt_schedule+0x4d/0x60
[  391.245496]  ? ___preempt_schedule+0x16/0x18
[  391.249896]  ? bpf_test_run+0x271/0x7a0
[  391.253863]  ? netlink_diag_dump+0x2a0/0x2a0
[  391.258257]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.263783]  ? bpf_test_init.isra.10+0x70/0x100
[  391.268442]  ? bpf_prog_test_run_skb+0x762/0xd90
[  391.273188]  ? bpf_test_finish.isra.9+0x260/0x260
[  391.278030]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  391.283552]  ? fput+0x130/0x1a0
[  391.286826]  ? __bpf_prog_get+0x9b/0x290
[  391.290874]  ? bpf_test_finish.isra.9+0x260/0x260
[  391.295739]  ? __do_sys_bpf+0x1898/0x4570
[  391.299962]  ? bpf_prog_load+0x1db0/0x1db0
[  391.304199]  ? find_held_lock+0x36/0x1c0
[  391.308254]  ? __might_fault+0x12b/0x1e0
[  391.312303]  ? lock_downgrade+0x900/0x900
[  391.316436]  ? lock_release+0xa00/0xa00
[  391.320392]  ? perf_trace_sched_process_exec+0x860/0x860
[  391.325832]  ? posix_ktime_get_ts+0x15/0x20
[  391.330142]  ? trace_hardirqs_off_caller+0x310/0x310
[  391.335243]  ? kasan_check_read+0x11/0x20
[  391.339377]  ? _copy_to_user+0xc8/0x110
[  391.343336]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.348859]  ? put_timespec64+0x10f/0x1b0
[  391.352992]  ? nsecs_to_jiffies+0x30/0x30
[  391.357134]  ? trace_hardirqs_off_caller+0x310/0x310
[  391.362227]  ? __x64_sys_bpf+0x73/0xb0
[  391.366103]  ? do_syscall_64+0x1b9/0x820
[  391.370147]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  391.375502]  ? syscall_return_slowpath+0x5e0/0x5e0
[  391.380419]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  391.385253]  ? trace_hardirqs_on_caller+0x310/0x310
[  391.390255]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  391.395255]  ? prepare_exit_to_usermode+0x291/0x3b0
[  391.400264]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  391.405096]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  391.410457] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #181
[  391.410522] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  391.417285] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  391.417290] Call Trace:
[  391.417316]  dump_stack+0x244/0x39d
[  391.417333]  ? dump_stack_print_info.cold.1+0x20/0x20
[  391.423835] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  391.433223]  warn_alloc.cold.116+0xb7/0x1bd
[  391.435771] syz-executor0 cpuset=syz0 mems_allowed=0
[  391.439379]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  391.469202]  ? lock_downgrade+0x900/0x900
[  391.473429]  ? trace_hardirqs_off+0xb8/0x310
[  391.477825]  ? trace_hardirqs_off+0xb8/0x310
[  391.482223]  __alloc_pages_slowpath+0x2651/0x2de0
[  391.487074]  ? warn_alloc+0x120/0x120
[  391.490861]  ? print_usage_bug+0xc0/0xc0
[  391.495009]  ? warn_alloc+0x120/0x120
[  391.498800]  ? warn_alloc+0x120/0x120
[  391.502590]  ? print_usage_bug+0xc0/0xc0
[  391.506646]  ? print_usage_bug+0xc0/0xc0
[  391.510704]  ? __lock_acquire+0x62f/0x4c20
[  391.514931]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.520453]  ? should_fail+0x22d/0xd01
[  391.524327]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  391.529416]  ? __lock_acquire+0x62f/0x4c20
[  391.533644]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  391.538733]  ? __lock_acquire+0x62f/0x4c20
[  391.542953]  ? should_fail+0x22d/0xd01
[  391.546832]  ? find_held_lock+0x36/0x1c0
[  391.550887]  ? mark_held_locks+0x130/0x130
[  391.555121]  ? mark_held_locks+0x130/0x130
[  391.559343]  ? zap_class+0x640/0x640
[  391.563047]  ? mark_held_locks+0xc7/0x130
[  391.567179]  ? do_raw_spin_unlock+0xa7/0x330
[  391.571578]  ? zap_class+0x640/0x640
[  391.575281]  ? print_usage_bug+0xc0/0xc0
[  391.579334]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.584862]  ? check_preemption_disabled+0x48/0x280
[  391.589892]  ? __lock_is_held+0xb5/0x140
[  391.593952]  __alloc_pages_nodemask+0xad8/0xea0
[  391.598611]  ? zap_class+0x640/0x640
[  391.602317]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  391.607326]  ? find_held_lock+0x36/0x1c0
[  391.611382]  ? ____cache_alloc_node+0x1c7/0x1e0
[  391.616040]  ? lock_downgrade+0x900/0x900
[  391.620180]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.625711]  cache_grow_begin+0xa5/0x8c0
[  391.629771]  ? do_raw_spin_unlock+0xa7/0x330
[  391.634176]  fallback_alloc+0x204/0x2e0
[  391.638139]  ____cache_alloc_node+0x1c7/0x1e0
[  391.642629]  kmem_cache_alloc_node+0xe3/0x730
[  391.647114]  ? ipv6_get_ifaddr+0x42e/0x620
[  391.651340]  __alloc_skb+0x119/0x770
[  391.655040]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  391.660305]  ? netdev_alloc_frag+0x1f0/0x1f0
[  391.664698]  ? lock_downgrade+0x900/0x900
[  391.668945]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.674469]  ? refcount_sub_and_test_checked+0x203/0x310
[  391.679906]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  391.685340]  ? addrconf_rs_timer+0x690/0x690
[  391.689741]  ndisc_alloc_skb+0x144/0x340
[  391.693801]  ndisc_send_rs+0x331/0x6e0
[  391.697698]  addrconf_rs_timer+0x314/0x690
[  391.701924]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  391.706255]  call_timer_fn+0x272/0x920
[  391.710128]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  391.714346]  ? process_timeout+0x40/0x40
[  391.718397]  ? __run_timers+0x7da/0xc70
[  391.722363]  ? _raw_spin_unlock_irq+0x27/0x80
[  391.726848]  ? _raw_spin_unlock_irq+0x27/0x80
[  391.731328]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  391.735549]  ? lockdep_hardirqs_on+0x296/0x5b0
[  391.740207]  ? trace_hardirqs_on+0xbd/0x310
[  391.744517]  ? kasan_check_read+0x11/0x20
[  391.748652]  ? __run_timers+0x7da/0xc70
[  391.752613]  ? trace_hardirqs_off_caller+0x310/0x310
[  391.757714]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  391.761939]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  391.766158]  __run_timers+0x7e5/0xc70
[  391.769954]  ? timer_fixup_init+0x70/0x70
[  391.774099]  ? _raw_spin_unlock_irq+0x27/0x80
[  391.778580]  ? _raw_spin_unlock_irq+0x27/0x80
[  391.783061]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  391.787632]  ? trace_hardirqs_on+0xbd/0x310
[  391.791937]  ? kasan_check_read+0x11/0x20
[  391.796071]  ? finish_task_switch+0x1f4/0x910
[  391.800552]  ? trace_hardirqs_off_caller+0x310/0x310
[  391.805645]  ? compat_start_thread+0x80/0x80
[  391.810052]  ? pvclock_read_flags+0x160/0x160
[  391.814528]  ? __switch_to_asm+0x34/0x70
[  391.818577]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.824098]  ? check_preemption_disabled+0x48/0x280
[  391.829107]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  391.834634]  ? rcu_pm_notify+0xc0/0xc0
[  391.838509]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.844033]  ? check_preemption_disabled+0x48/0x280
[  391.849036]  run_timer_softirq+0x52/0xb0
[  391.853082]  ? rcu_read_lock_sched_held+0x14f/0x180
[  391.858085]  __do_softirq+0x308/0xb7e
[  391.861878]  ? retint_kernel+0x2d/0x2d
[  391.865768]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  391.870862]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  391.876299]  ? rcu_irq_enter+0x18c/0x310
[  391.880348]  ? schedule+0x108/0x460
[  391.883961]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  391.888712]  ? trace_hardirqs_off+0xb8/0x310
[  391.893106]  ? smpboot_thread_fn+0x68b/0xa00
[  391.897501]  ? trace_hardirqs_on+0x310/0x310
[  391.901897]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.907421]  ? check_preemption_disabled+0x48/0x280
[  391.912426]  ? takeover_tasklets+0xa90/0xa90
[  391.916820]  run_ksoftirqd+0x5e/0x100
[  391.920612]  smpboot_thread_fn+0x68b/0xa00
[  391.924838]  ? sort_range+0x30/0x30
[  391.928453]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  391.933544]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.939074]  ? __kthread_parkme+0xfb/0x1a0
[  391.943302]  ? sort_range+0x30/0x30
[  391.946911]  kthread+0x35a/0x440
[  391.950261]  ? kthread_stop+0x900/0x900
[  391.954225]  ret_from_fork+0x3a/0x50
[  391.957932] warn_alloc_show_mem: 1 callbacks suppressed
[  391.957940] CPU: 1 PID: 16176 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #181
[  391.957941] Mem-Info:
[  391.957969] active_anon:54949 inactive_anon:10067 isolated_anon:0
[  391.957969]  active_file:12 inactive_file:12 isolated_file:0
[  391.957969]  unevictable:0 dirty:0 writeback:0 unstable:0
[  391.957969]  slab_reclaimable:9454 slab_unreclaimable:1442611
[  391.957969]  mapped:40962 shmem:10230 pagetables:596 bounce:0
[  391.957969]  free:13765 free_pcp:525 free_cma:0
[  391.963294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  391.970644] Node 0 active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:40920kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 202752kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  391.973026] Call Trace:
[  392.006219] 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
[  392.015548]  <IRQ>
[  392.043355] lowmem_reserve[]: 0 2818 6321 6321
[  392.045935]  dump_stack+0x244/0x39d
[  392.072004] Node 0 DMA32 free:25248kB 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:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  392.074139]  ? dump_stack_print_info.cold.1+0x20/0x20
[  392.078689] lowmem_reserve[]: 0 0 3503 3503
[  392.082300]  warn_alloc.cold.116+0xb7/0x1bd
[  392.109581] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2384kB bounce:0kB free_pcp:1852kB local_pcp:1500kB free_cma:0kB
[  392.114756]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  392.119038] lowmem_reserve[]: 0 0 0 0
[  392.123340]  ? lock_downgrade+0x900/0x900
[  392.152534] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  392.157362]  ? trace_hardirqs_off+0xb8/0x310
[  392.161124] Node 0 DMA32: 4*4kB (UM) 0*8kB 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB
[  392.165253]  ? trace_hardirqs_off+0xb8/0x310
[  392.178737] Node 0 Normal: 1308*4kB (ME) 392*8kB (UME) 140*16kB (ME) 47*32kB (ME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  392.183132]  __alloc_pages_slowpath+0x2651/0x2de0
[  392.198008] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  392.202410]  ? warn_alloc+0x120/0x120
[  392.217101] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  392.221920]  ? print_usage_bug+0xc0/0xc0
[  392.230718] 10254 total pagecache pages
[  392.234493]  ? warn_alloc+0x120/0x120
[  392.243036] 0 pages in swap cache
[  392.247077]  ? warn_alloc+0x120/0x120
[  392.251028] Swap cache stats: add 0, delete 0, find 0/0
[  392.254803]  ? print_usage_bug+0xc0/0xc0
[  392.258221] Free swap  = 0kB
[  392.261998]  ? print_usage_bug+0xc0/0xc0
[  392.267324] Total swap = 0kB
[  392.271377]  ? __lock_acquire+0x62f/0x4c20
[  392.274361] 1965979 pages RAM
[  392.278399]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  392.281388] 0 pages HighMem/MovableOnly
[  392.285608]  ? should_fail+0x22d/0xd01
[  392.288670] 342853 pages reserved
[  392.288676] 0 pages cma reserved
[  392.294539]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  392.298539] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  392.302346]  ? __lock_acquire+0x62f/0x4c20
[  392.305841] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  392.309117]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  392.314463] ksoftirqd/0 cpuset=/ mems_allowed=0
[  392.320941]  ? __lock_acquire+0x62f/0x4c20
[  392.349349]  ? should_fail+0x22d/0xd01
[  392.353222]  ? find_held_lock+0x36/0x1c0
[  392.357274]  ? mark_held_locks+0x130/0x130
[  392.361498]  ? mark_held_locks+0x130/0x130
[  392.365718]  ? zap_class+0x640/0x640
[  392.369418]  ? zap_class+0x640/0x640
[  392.373123]  ? print_usage_bug+0xc0/0xc0
[  392.377166]  ? do_raw_spin_unlock+0xa7/0x330
[  392.381559]  ? zap_class+0x640/0x640
[  392.385263]  ? print_usage_bug+0xc0/0xc0
[  392.389308]  ? wq_watchdog_touch+0x9c/0xfe
[  392.393534]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.399057]  ? check_preemption_disabled+0x48/0x280
[  392.404068]  ? __lock_is_held+0xb5/0x140
[  392.408118]  __alloc_pages_nodemask+0xad8/0xea0
[  392.412771]  ? zap_class+0x640/0x640
[  392.416477]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  392.421486]  ? find_held_lock+0x36/0x1c0
[  392.425540]  ? ____cache_alloc_node+0x1c7/0x1e0
[  392.430193]  ? lock_downgrade+0x900/0x900
[  392.434335]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.439862]  cache_grow_begin+0xa5/0x8c0
[  392.443909]  ? do_raw_spin_unlock+0xa7/0x330
[  392.448310]  fallback_alloc+0x204/0x2e0
[  392.452275]  ____cache_alloc_node+0x1c7/0x1e0
[  392.456762]  kmem_cache_alloc_node+0xe3/0x730
[  392.461242]  ? ipv6_get_ifaddr+0x42e/0x620
[  392.465477]  __alloc_skb+0x119/0x770
[  392.469176]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  392.474439]  ? netdev_alloc_frag+0x1f0/0x1f0
[  392.478834]  ? lock_downgrade+0x900/0x900
[  392.483437]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.488964]  ? refcount_sub_and_test_checked+0x203/0x310
[  392.494405]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  392.499841]  ? addrconf_rs_timer+0x690/0x690
[  392.504245]  ndisc_alloc_skb+0x144/0x340
[  392.508298]  ndisc_send_rs+0x331/0x6e0
[  392.512180]  addrconf_rs_timer+0x314/0x690
[  392.516404]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  392.520632]  call_timer_fn+0x272/0x920
[  392.524507]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  392.528726]  ? process_timeout+0x40/0x40
[  392.532780]  ? __run_timers+0x7da/0xc70
[  392.536745]  ? _raw_spin_unlock_irq+0x27/0x80
[  392.541222]  ? _raw_spin_unlock_irq+0x27/0x80
[  392.545705]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  392.549924]  ? lockdep_hardirqs_on+0x296/0x5b0
[  392.554494]  ? trace_hardirqs_on+0xbd/0x310
[  392.558801]  ? kasan_check_read+0x11/0x20
[  392.562933]  ? __run_timers+0x7da/0xc70
[  392.566892]  ? trace_hardirqs_off_caller+0x310/0x310
[  392.571986]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  392.576209]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  392.580429]  __run_timers+0x7e5/0xc70
[  392.584220]  ? timer_fixup_init+0x70/0x70
[  392.588353]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  392.593356]  ? zap_class+0x640/0x640
[  392.597057]  ? enqueue_hrtimer+0x1a5/0x560
[  392.601278]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  392.606455]  ? find_held_lock+0x36/0x1c0
[  392.610506]  ? zap_class+0x640/0x640
[  392.614207]  ? pvclock_read_flags+0x160/0x160
[  392.618698]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.624219]  ? check_preemption_disabled+0x48/0x280
[  392.629225]  ? __lock_is_held+0xb5/0x140
[  392.633275]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.638799]  ? check_preemption_disabled+0x48/0x280
[  392.643816]  run_timer_softirq+0x52/0xb0
[  392.647863]  ? rcu_read_lock_sched_held+0x14f/0x180
[  392.652868]  __do_softirq+0x308/0xb7e
[  392.656657]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  392.661134]  ? lock_downgrade+0x900/0x900
[  392.665272]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  392.670368]  ? pvclock_read_flags+0x160/0x160
[  392.674849]  ? lapic_next_event+0x5a/0x90
[  392.678983]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.684508]  ? kvm_clock_read+0x18/0x30
[  392.688467]  ? kvm_sched_clock_read+0x9/0x20
[  392.692861]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.698387]  ? check_preemption_disabled+0x48/0x280
[  392.703394]  irq_exit+0x17f/0x1c0
[  392.706834]  smp_apic_timer_interrupt+0x1cb/0x760
[  392.711661]  ? smp_reschedule_interrupt+0x109/0x650
[  392.716665]  ? smp_call_function_single_interrupt+0x650/0x650
[  392.722535]  ? interrupt_entry+0xb5/0xc0
[  392.726590]  ? trace_hardirqs_off_caller+0xbb/0x310
[  392.731588]  ? trace_hardirqs_off_caller+0xbb/0x310
[  392.736590]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  392.741417]  ? trace_hardirqs_on_caller+0x310/0x310
[  392.746415]  ? trace_hardirqs_on_caller+0x310/0x310
[  392.751415]  ? task_prio+0x50/0x50
[  392.754942]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.760466]  ? check_preemption_disabled+0x48/0x280
[  392.765469]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  392.770305]  apic_timer_interrupt+0xf/0x20
[  392.774520]  </IRQ>
[  392.776749] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  392.782619] Code: 3e 7e 0f 85 32 ff ff ff e8 03 6a 3d ff e9 28 ff ff ff e8 4a 99 c2 ff 48 83 3d c2 ed 8e 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 ca 05
[  392.801502] RSP: 0018:ffff888198b071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  392.809191] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  392.816448] RDX: 0000000000000000 RSI: ffff8881bbc289c0 RDI: 0000000000000286
[  392.823700] RBP: ffff888198b07250 R08: ffff8881bbc28140 R09: 0000000000000000
[  392.830953] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800940
[  392.838208] R13: ffff8881da800940 R14: 0000000000000000 R15: 0000000000000286
[  392.845480]  ? save_stack+0xa9/0xd0
[  392.849115]  __kmalloc_node_track_caller+0x3c/0x70
[  392.854035]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  392.858778]  pskb_expand_head+0x230/0x10f0
[  392.863005]  ? memcpy+0x45/0x50
[  392.866269]  ? __copy_skb_header+0x350/0x6b0
[  392.870669]  ? skb_release_data+0x9a0/0x9a0
[  392.874972]  ? __alloc_skb+0x770/0x770
[  392.878855]  ? __lock_is_held+0xb5/0x140
[  392.882908]  ? kasan_check_write+0x14/0x20
[  392.887142]  ? __skb_clone+0x6c7/0xa00
[  392.891018]  ? __copy_skb_header+0x6b0/0x6b0
[  392.895413]  ? kmem_cache_alloc+0x33a/0x730
[  392.899727]  skb_ensure_writable+0x3dd/0x640
[  392.904125]  ? skb_checksum_setup+0xaa0/0xaa0
[  392.908606]  ? check_preemption_disabled+0x48/0x280
[  392.913614]  ? __this_cpu_preempt_check+0x1c/0x20
[  392.918442]  ? __bpf_redirect+0x55b/0xb60
[  392.922581]  bpf_clone_redirect+0x14a/0x490
[  392.926896]  bpf_prog_88483476fbe68a28+0x6f0/0x1000
[  392.931901]  ? __sched_text_start+0x8/0x8
[  392.936044]  ? find_held_lock+0x36/0x1c0
[  392.940096]  ? lock_acquire+0x1ed/0x520
[  392.944058]  ? bpf_test_run+0x3ee/0x7a0
[  392.948021]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.953548]  ? check_preemption_disabled+0x48/0x280
[  392.958556]  ? kasan_check_read+0x11/0x20
[  392.962689]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  392.967948]  ? rcu_softirq_qs+0x20/0x20
[  392.971911]  ? preempt_schedule+0x4d/0x60
[  392.976047]  ? ___preempt_schedule+0x16/0x18
[  392.980455]  ? bpf_test_run+0x271/0x7a0
[  392.984430]  ? netlink_diag_dump+0x2a0/0x2a0
[  392.988828]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  392.994347]  ? bpf_test_init.isra.10+0x70/0x100
[  392.999005]  ? bpf_prog_test_run_skb+0x762/0xd90
[  393.003754]  ? bpf_test_finish.isra.9+0x260/0x260
[  393.008589]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  393.014111]  ? fput+0x130/0x1a0
[  393.017392]  ? __bpf_prog_get+0x9b/0x290
[  393.021442]  ? bpf_test_finish.isra.9+0x260/0x260
[  393.026266]  ? __do_sys_bpf+0x1898/0x4570
[  393.030404]  ? bpf_prog_load+0x1db0/0x1db0
[  393.034622]  ? find_held_lock+0x36/0x1c0
[  393.038678]  ? __might_fault+0x12b/0x1e0
[  393.042723]  ? lock_downgrade+0x900/0x900
[  393.046864]  ? lock_release+0xa00/0xa00
[  393.050822]  ? perf_trace_sched_process_exec+0x860/0x860
[  393.056256]  ? posix_ktime_get_ts+0x15/0x20
[  393.060574]  ? trace_hardirqs_off_caller+0x310/0x310
[  393.065688]  ? kasan_check_read+0x11/0x20
[  393.069821]  ? _copy_to_user+0xc8/0x110
[  393.073786]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  393.079308]  ? put_timespec64+0x10f/0x1b0
[  393.083444]  ? nsecs_to_jiffies+0x30/0x30
[  393.087590]  ? trace_hardirqs_off_caller+0x310/0x310
[  393.092681]  ? __x64_sys_bpf+0x73/0xb0
[  393.096558]  ? do_syscall_64+0x1b9/0x820
[  393.100604]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  393.106043]  ? syscall_return_slowpath+0x5e0/0x5e0
[  393.110957]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  393.115788]  ? trace_hardirqs_on_caller+0x310/0x310
[  393.120794]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  393.125882]  ? prepare_exit_to_usermode+0x291/0x3b0
[  393.130887]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  393.135720]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  393.141084] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #181
[  393.141154] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  393.147910] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  393.147914] Call Trace:
[  393.147929]  dump_stack+0x244/0x39d
[  393.147946]  ? dump_stack_print_info.cold.1+0x20/0x20
[  393.154480] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  393.163748]  warn_alloc.cold.116+0xb7/0x1bd
[  393.166293] syz-executor0 cpuset=syz0 mems_allowed=0
[  393.169897]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  393.199706]  ? lock_downgrade+0x900/0x900
[  393.203847]  ? trace_hardirqs_off+0xb8/0x310
[  393.208257]  ? trace_hardirqs_off+0xb8/0x310
[  393.212656]  __alloc_pages_slowpath+0x2651/0x2de0
[  393.217501]  ? warn_alloc+0x120/0x120
[  393.221300]  ? print_usage_bug+0xc0/0xc0
[  393.225351]  ? warn_alloc+0x120/0x120
[  393.229144]  ? warn_alloc+0x120/0x120
[  393.232942]  ? print_usage_bug+0xc0/0xc0
[  393.236994]  ? print_usage_bug+0xc0/0xc0
[  393.241043]  ? __lock_acquire+0x62f/0x4c20
[  393.245270]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  393.250798]  ? should_fail+0x22d/0xd01
[  393.254675]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  393.259762]  ? __lock_acquire+0x62f/0x4c20
[  393.263990]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  393.269076]  ? __lock_acquire+0x62f/0x4c20
[  393.273303]  ? should_fail+0x22d/0xd01
[  393.277181]  ? find_held_lock+0x36/0x1c0
[  393.281232]  ? mark_held_locks+0x130/0x130
[  393.285457]  ? mark_held_locks+0x130/0x130
[  393.289674]  ? zap_class+0x640/0x640
[  393.293377]  ? mark_held_locks+0xc7/0x130
[  393.297512]  ? do_raw_spin_unlock+0xa7/0x330
[  393.301904]  ? zap_class+0x640/0x640
[  393.305605]  ? print_usage_bug+0xc0/0xc0
[  393.309652]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.315177]  ? check_preemption_disabled+0x48/0x280
[  393.320187]  ? __lock_is_held+0xb5/0x140
[  393.324239]  __alloc_pages_nodemask+0xad8/0xea0
[  393.328894]  ? zap_class+0x640/0x640
[  393.332594]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  393.337601]  ? find_held_lock+0x36/0x1c0
[  393.341655]  ? ____cache_alloc_node+0x1c7/0x1e0
[  393.346308]  ? lock_downgrade+0x900/0x900
[  393.350446]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.355973]  cache_grow_begin+0xa5/0x8c0
[  393.360016]  ? do_raw_spin_unlock+0xa7/0x330
[  393.364415]  fallback_alloc+0x204/0x2e0
[  393.368383]  ____cache_alloc_node+0x1c7/0x1e0
[  393.372867]  kmem_cache_alloc_node+0xe3/0x730
[  393.377347]  ? ipv6_get_ifaddr+0x42e/0x620
[  393.381573]  __alloc_skb+0x119/0x770
[  393.385271]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  393.390538]  ? netdev_alloc_frag+0x1f0/0x1f0
[  393.394929]  ? lock_downgrade+0x900/0x900
[  393.399070]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.404594]  ? refcount_sub_and_test_checked+0x203/0x310
[  393.410035]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  393.415475]  ? addrconf_rs_timer+0x690/0x690
[  393.419996]  ndisc_alloc_skb+0x144/0x340
[  393.424044]  ndisc_send_rs+0x331/0x6e0
[  393.427922]  addrconf_rs_timer+0x314/0x690
[  393.432144]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.436372]  call_timer_fn+0x272/0x920
[  393.440243]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.444463]  ? process_timeout+0x40/0x40
[  393.448522]  ? __run_timers+0x7da/0xc70
[  393.452485]  ? _raw_spin_unlock_irq+0x27/0x80
[  393.456974]  ? _raw_spin_unlock_irq+0x27/0x80
[  393.461454]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.465673]  ? lockdep_hardirqs_on+0x296/0x5b0
[  393.470238]  ? trace_hardirqs_on+0xbd/0x310
[  393.474542]  ? kasan_check_read+0x11/0x20
[  393.478673]  ? __run_timers+0x7da/0xc70
[  393.482632]  ? trace_hardirqs_off_caller+0x310/0x310
[  393.487724]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.491958]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.496179]  __run_timers+0x7e5/0xc70
[  393.499973]  ? timer_fixup_init+0x70/0x70
[  393.504105]  ? _raw_spin_unlock_irq+0x27/0x80
[  393.508582]  ? _raw_spin_unlock_irq+0x27/0x80
[  393.513060]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  393.517628]  ? trace_hardirqs_on+0xbd/0x310
[  393.521936]  ? kasan_check_read+0x11/0x20
[  393.526176]  ? finish_task_switch+0x1f4/0x910
[  393.530656]  ? trace_hardirqs_off_caller+0x310/0x310
[  393.535743]  ? compat_start_thread+0x80/0x80
[  393.540154]  ? pvclock_read_flags+0x160/0x160
[  393.544638]  ? __switch_to_asm+0x34/0x70
[  393.548689]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.554211]  ? check_preemption_disabled+0x48/0x280
[  393.559223]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  393.564753]  ? rcu_pm_notify+0xc0/0xc0
[  393.568627]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.574150]  ? check_preemption_disabled+0x48/0x280
[  393.579156]  run_timer_softirq+0x52/0xb0
[  393.583200]  ? rcu_read_lock_sched_held+0x14f/0x180
[  393.588215]  __do_softirq+0x308/0xb7e
[  393.592004]  ? retint_kernel+0x2d/0x2d
[  393.595880]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  393.600969]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  393.606403]  ? rcu_irq_enter+0x18c/0x310
[  393.610457]  ? schedule+0x108/0x460
[  393.614082]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  393.618836]  ? trace_hardirqs_off+0xb8/0x310
[  393.623236]  ? smpboot_thread_fn+0x68b/0xa00
[  393.627628]  ? trace_hardirqs_on+0x310/0x310
[  393.632021]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  393.637544]  ? check_preemption_disabled+0x48/0x280
[  393.642634]  ? takeover_tasklets+0xa90/0xa90
[  393.647027]  run_ksoftirqd+0x5e/0x100
[  393.650828]  smpboot_thread_fn+0x68b/0xa00
[  393.655054]  ? sort_range+0x30/0x30
[  393.658666]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  393.663758]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  393.669282]  ? __kthread_parkme+0xfb/0x1a0
[  393.673518]  ? sort_range+0x30/0x30
[  393.677128]  kthread+0x35a/0x440
[  393.680489]  ? kthread_stop+0x900/0x900
[  393.684452]  ret_from_fork+0x3a/0x50
[  393.688171] warn_alloc_show_mem: 1 callbacks suppressed
[  393.688180] CPU: 1 PID: 16176 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #181
[  393.688181] Mem-Info:
[  393.688212] active_anon:54949 inactive_anon:10067 isolated_anon:0
[  393.688212]  active_file:12 inactive_file:12 isolated_file:0
[  393.688212]  unevictable:0 dirty:0 writeback:0 unstable:0
[  393.688212]  slab_reclaimable:9454 slab_unreclaimable:1442611
[  393.688212]  mapped:40962 shmem:10230 pagetables:596 bounce:0
[  393.688212]  free:13765 free_pcp:525 free_cma:0
[  393.693539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  393.700903] Node 0 active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:40920kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 202752kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  393.703284] Call Trace:
[  393.736485] 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
[  393.745901]  <IRQ>
[  393.773710] lowmem_reserve[]: 0 2818 6321 6321
[  393.776278]  dump_stack+0x244/0x39d
[  393.802347] Node 0 DMA32 free:25248kB 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:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  393.804577]  ? dump_stack_print_info.cold.1+0x20/0x20
[  393.809129] lowmem_reserve[]: 0 0 3503 3503
[  393.812752]  warn_alloc.cold.116+0xb7/0x1bd
[  393.840031] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2384kB bounce:0kB free_pcp:1852kB local_pcp:1500kB free_cma:0kB
[  393.845203]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  393.849504] lowmem_reserve[]: 0 0 0 0
[  393.853809]  ? lock_downgrade+0x900/0x900
[  393.883004] 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
[  393.887829]  ? trace_hardirqs_off+0xb8/0x310
[  393.891596] Node 0 DMA32: 4*4kB (UM) 0*8kB 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB
[  393.895738]  ? trace_hardirqs_off+0xb8/0x310
[  393.909222] Node 0 Normal: 1308*4kB (ME) 392*8kB (UME) 140*16kB (ME) 47*32kB (ME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  393.913635]  __alloc_pages_slowpath+0x2651/0x2de0
[  393.928513] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  393.932912]  ? warn_alloc+0x120/0x120
[  393.947514] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  393.952335]  ? print_usage_bug+0xc0/0xc0
[  393.961132] 10254 total pagecache pages
[  393.964912]  ? warn_alloc+0x120/0x120
[  393.973464] 0 pages in swap cache
[  393.977499]  ? warn_alloc+0x120/0x120
[  393.981442] Swap cache stats: add 0, delete 0, find 0/0
[  393.985223]  ? print_usage_bug+0xc0/0xc0
[  393.988639] Free swap  = 0kB
[  393.992420]  ? kvm_clock_read+0x18/0x30
[  393.997744] Total swap = 0kB
[  394.001786]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  394.004767] 1965979 pages RAM
[  394.008726]  ? print_usage_bug+0xc0/0xc0
[  394.011709] 0 pages HighMem/MovableOnly
[  394.016701]  ? __lock_acquire+0x62f/0x4c20
[  394.019772] 342853 pages reserved
[  394.023813]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  394.027747] 0 pages cma reserved
[  394.031960]  ? should_fail+0x22d/0xd01
[  394.035462] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  394.040888]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  394.040903]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  394.044297] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  394.048099]  ? __lock_acquire+0x62f/0x4c20
[  394.054557] ksoftirqd/0 cpuset=/ mems_allowed=0
[  394.059814]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  394.089094]  ? __lock_acquire+0x62f/0x4c20
[  394.093314]  ? should_fail+0x22d/0xd01
[  394.097185]  ? rcu_irq_exit+0x1a2/0x390
[  394.101153]  ? mark_held_locks+0x130/0x130
[  394.105378]  ? mark_held_locks+0x130/0x130
[  394.109605]  ? mark_held_locks+0xc7/0x130
[  394.113740]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  394.118740]  ? zap_class+0x640/0x640
[  394.122439]  ? print_usage_bug+0xc0/0xc0
[  394.126496]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.132021]  ? check_preemption_disabled+0x48/0x280
[  394.137029]  ? __lock_is_held+0xb5/0x140
[  394.141077]  __alloc_pages_nodemask+0xad8/0xea0
[  394.145730]  ? zap_class+0x640/0x640
[  394.149432]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  394.154451]  ? find_held_lock+0x36/0x1c0
[  394.158505]  ? ____cache_alloc_node+0x1c7/0x1e0
[  394.163168]  ? lock_downgrade+0x900/0x900
[  394.167307]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.172837]  cache_grow_begin+0xa5/0x8c0
[  394.176884]  ? do_raw_spin_unlock+0xa7/0x330
[  394.181284]  fallback_alloc+0x204/0x2e0
[  394.185247]  ____cache_alloc_node+0x1c7/0x1e0
[  394.189729]  kmem_cache_alloc_node+0xe3/0x730
[  394.194214]  ? ipv6_get_ifaddr+0x42e/0x620
[  394.198447]  __alloc_skb+0x119/0x770
[  394.202147]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  394.207424]  ? netdev_alloc_frag+0x1f0/0x1f0
[  394.211821]  ? lock_downgrade+0x900/0x900
[  394.215960]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.221484]  ? refcount_sub_and_test_checked+0x203/0x310
[  394.226925]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  394.232361]  ? addrconf_rs_timer+0x690/0x690
[  394.236768]  ndisc_alloc_skb+0x144/0x340
[  394.240819]  ndisc_send_rs+0x331/0x6e0
[  394.244698]  addrconf_rs_timer+0x314/0x690
[  394.248922]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  394.253147]  call_timer_fn+0x272/0x920
[  394.257017]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  394.261238]  ? process_timeout+0x40/0x40
[  394.265288]  ? __run_timers+0x7da/0xc70
[  394.269347]  ? _raw_spin_unlock_irq+0x27/0x80
[  394.273824]  ? _raw_spin_unlock_irq+0x27/0x80
[  394.278307]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  394.282526]  ? lockdep_hardirqs_on+0x296/0x5b0
[  394.287098]  ? trace_hardirqs_on+0xbd/0x310
[  394.291407]  ? kasan_check_read+0x11/0x20
[  394.295541]  ? __run_timers+0x7da/0xc70
[  394.299501]  ? trace_hardirqs_off_caller+0x310/0x310
[  394.304632]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  394.308848]  __run_timers+0x7e5/0xc70
[  394.312756]  ? timer_fixup_init+0x70/0x70
[  394.316894]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  394.321898]  ? zap_class+0x640/0x640
[  394.325599]  ? enqueue_hrtimer+0x1a5/0x560
[  394.329821]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  394.335001]  ? find_held_lock+0x36/0x1c0
[  394.339048]  ? zap_class+0x640/0x640
[  394.342753]  ? pvclock_read_flags+0x160/0x160
[  394.347233]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.352760]  ? check_preemption_disabled+0x48/0x280
[  394.357768]  ? __lock_is_held+0xb5/0x140
[  394.361816]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.367339]  ? check_preemption_disabled+0x48/0x280
[  394.372343]  run_timer_softirq+0x52/0xb0
[  394.376390]  ? rcu_read_lock_sched_held+0x14f/0x180
[  394.381391]  __do_softirq+0x308/0xb7e
[  394.385178]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  394.389660]  ? lock_downgrade+0x900/0x900
[  394.393796]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  394.398889]  ? pvclock_read_flags+0x160/0x160
[  394.403371]  ? lapic_next_event+0x5a/0x90
[  394.407507]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.413035]  ? kvm_clock_read+0x18/0x30
[  394.416996]  ? kvm_sched_clock_read+0x9/0x20
[  394.421392]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.426913]  ? check_preemption_disabled+0x48/0x280
[  394.431924]  irq_exit+0x17f/0x1c0
[  394.435363]  smp_apic_timer_interrupt+0x1cb/0x760
[  394.440195]  ? smp_reschedule_interrupt+0x109/0x650
[  394.445203]  ? smp_call_function_single_interrupt+0x650/0x650
[  394.451071]  ? interrupt_entry+0xb5/0xc0
[  394.455116]  ? trace_hardirqs_off_caller+0xbb/0x310
[  394.460116]  ? trace_hardirqs_off_caller+0xbb/0x310
[  394.465122]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  394.469948]  ? trace_hardirqs_on_caller+0x310/0x310
[  394.474948]  ? trace_hardirqs_on_caller+0x310/0x310
[  394.480413]  ? task_prio+0x50/0x50
[  394.483952]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.489475]  ? check_preemption_disabled+0x48/0x280
[  394.494484]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  394.499323]  apic_timer_interrupt+0xf/0x20
[  394.503538]  </IRQ>
[  394.505761] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  394.511631] Code: 3e 7e 0f 85 32 ff ff ff e8 03 6a 3d ff e9 28 ff ff ff e8 4a 99 c2 ff 48 83 3d c2 ed 8e 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 ca 05
[  394.530516] RSP: 0018:ffff888198b071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  394.538208] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  394.545467] RDX: 0000000000000000 RSI: ffff8881bbc289c0 RDI: 0000000000000286
[  394.552736] RBP: ffff888198b07250 R08: ffff8881bbc28140 R09: 0000000000000000
[  394.559997] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800940
[  394.567258] R13: ffff8881da800940 R14: 0000000000000000 R15: 0000000000000286
[  394.574559]  ? save_stack+0xa9/0xd0
[  394.578190]  __kmalloc_node_track_caller+0x3c/0x70
[  394.583117]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  394.587874]  pskb_expand_head+0x230/0x10f0
[  394.592105]  ? memcpy+0x45/0x50
[  394.595375]  ? __copy_skb_header+0x350/0x6b0
[  394.599775]  ? skb_release_data+0x9a0/0x9a0
[  394.604089]  ? __alloc_skb+0x770/0x770
[  394.607979]  ? __lock_is_held+0xb5/0x140
[  394.612035]  ? kasan_check_write+0x14/0x20
[  394.616261]  ? __skb_clone+0x6c7/0xa00
[  394.620148]  ? __copy_skb_header+0x6b0/0x6b0
[  394.624566]  ? kmem_cache_alloc+0x33a/0x730
[  394.628890]  skb_ensure_writable+0x3dd/0x640
[  394.633293]  ? skb_checksum_setup+0xaa0/0xaa0
[  394.637785]  ? check_preemption_disabled+0x48/0x280
[  394.642797]  ? __this_cpu_preempt_check+0x1c/0x20
[  394.647649]  ? __bpf_redirect+0x55b/0xb60
[  394.651795]  bpf_clone_redirect+0x14a/0x490
[  394.656116]  bpf_prog_88483476fbe68a28+0x6f0/0x1000
[  394.661139]  ? __sched_text_start+0x8/0x8
[  394.665285]  ? find_held_lock+0x36/0x1c0
[  394.669347]  ? lock_acquire+0x1ed/0x520
[  394.673312]  ? bpf_test_run+0x3ee/0x7a0
[  394.677278]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.682818]  ? check_preemption_disabled+0x48/0x280
[  394.687831]  ? kasan_check_read+0x11/0x20
[  394.691973]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  394.697255]  ? rcu_softirq_qs+0x20/0x20
[  394.701224]  ? preempt_schedule+0x4d/0x60
[  394.705368]  ? ___preempt_schedule+0x16/0x18
[  394.709794]  ? bpf_test_run+0x271/0x7a0
[  394.713772]  ? netlink_diag_dump+0x2a0/0x2a0
[  394.718180]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  394.723710]  ? bpf_test_init.isra.10+0x70/0x100
[  394.728376]  ? bpf_prog_test_run_skb+0x762/0xd90
[  394.733139]  ? bpf_test_finish.isra.9+0x260/0x260
[  394.737984]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  394.743514]  ? fput+0x130/0x1a0
[  394.746789]  ? __bpf_prog_get+0x9b/0x290
[  394.750846]  ? bpf_test_finish.isra.9+0x260/0x260
[  394.755683]  ? __do_sys_bpf+0x1898/0x4570
[  394.759828]  ? bpf_prog_load+0x1db0/0x1db0
[  394.764055]  ? find_held_lock+0x36/0x1c0
[  394.768122]  ? __might_fault+0x12b/0x1e0
[  394.772186]  ? lock_downgrade+0x900/0x900
[  394.776334]  ? lock_release+0xa00/0xa00
[  394.780297]  ? perf_trace_sched_process_exec+0x860/0x860
[  394.785739]  ? posix_ktime_get_ts+0x15/0x20
[  394.790051]  ? trace_hardirqs_off_caller+0x310/0x310
[  394.795164]  ? kasan_check_read+0x11/0x20
[  394.799302]  ? _copy_to_user+0xc8/0x110
[  394.803275]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  394.808809]  ? put_timespec64+0x10f/0x1b0
[  394.812960]  ? nsecs_to_jiffies+0x30/0x30
[  394.817209]  ? trace_hardirqs_off_caller+0x310/0x310
[  394.822309]  ? __x64_sys_bpf+0x73/0xb0
[  394.826191]  ? do_syscall_64+0x1b9/0x820
[  394.830249]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  394.835609]  ? syscall_return_slowpath+0x5e0/0x5e0
[  394.840530]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  394.845368]  ? trace_hardirqs_on_caller+0x310/0x310
[  394.850387]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  394.855414]  ? prepare_exit_to_usermode+0x291/0x3b0
[  394.860429]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  394.865270]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  394.870644] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #181
[  394.870717] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  394.877483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  394.877488] Call Trace:
[  394.877508]  dump_stack+0x244/0x39d
[  394.877528]  ? dump_stack_print_info.cold.1+0x20/0x20
[  394.884041] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  394.893337]  warn_alloc.cold.116+0xb7/0x1bd
[  394.895882] syz-executor0 cpuset=syz0 mems_allowed=0
[  394.899487]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  394.929332]  ? lock_downgrade+0x900/0x900
[  394.933484]  ? trace_hardirqs_off+0xb8/0x310
[  394.937900]  ? trace_hardirqs_off+0xb8/0x310
[  394.942316]  __alloc_pages_slowpath+0x2651/0x2de0
[  394.947180]  ? warn_alloc+0x120/0x120
[  394.950979]  ? print_usage_bug+0xc0/0xc0
[  394.955121]  ? warn_alloc+0x120/0x120
[  394.958919]  ? warn_alloc+0x120/0x120
[  394.962716]  ? print_usage_bug+0xc0/0xc0
[  394.966778]  ? print_usage_bug+0xc0/0xc0
[  394.970834]  ? __lock_acquire+0x62f/0x4c20
[  394.975063]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  394.980602]  ? should_fail+0x22d/0xd01
[  394.984483]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  394.989579]  ? __lock_acquire+0x62f/0x4c20
[  394.993810]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  394.998904]  ? __lock_acquire+0x62f/0x4c20
[  395.003124]  ? should_fail+0x22d/0xd01
[  395.007008]  ? mark_held_locks+0x130/0x130
[  395.011237]  ? mark_held_locks+0x130/0x130
[  395.015461]  ? zap_class+0x640/0x640
[  395.019161]  ? zap_class+0x640/0x640
[  395.022869]  ? zap_class+0x640/0x640
[  395.026568]  ? print_usage_bug+0xc0/0xc0
[  395.030613]  ? mark_held_locks+0x130/0x130
[  395.034843]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.040371]  ? check_preemption_disabled+0x48/0x280
[  395.045406]  ? __lock_is_held+0xb5/0x140
[  395.049459]  __alloc_pages_nodemask+0xad8/0xea0
[  395.054116]  ? zap_class+0x640/0x640
[  395.057823]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  395.062850]  ? find_held_lock+0x36/0x1c0
[  395.066908]  ? ____cache_alloc_node+0x1c7/0x1e0
[  395.071578]  ? lock_downgrade+0x900/0x900
[  395.075716]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.081245]  cache_grow_begin+0xa5/0x8c0
[  395.085293]  ? do_raw_spin_unlock+0xa7/0x330
[  395.089691]  fallback_alloc+0x204/0x2e0
[  395.093656]  ____cache_alloc_node+0x1c7/0x1e0
[  395.098139]  kmem_cache_alloc_node+0xe3/0x730
[  395.102624]  ? ipv6_get_ifaddr+0x42e/0x620
[  395.106867]  __alloc_skb+0x119/0x770
[  395.110569]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  395.115833]  ? netdev_alloc_frag+0x1f0/0x1f0
[  395.120227]  ? lock_downgrade+0x900/0x900
[  395.124367]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.129895]  ? refcount_sub_and_test_checked+0x203/0x310
[  395.135331]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  395.140785]  ? addrconf_rs_timer+0x690/0x690
[  395.145190]  ndisc_alloc_skb+0x144/0x340
[  395.149237]  ndisc_send_rs+0x331/0x6e0
[  395.153116]  addrconf_rs_timer+0x314/0x690
[  395.157341]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.161569]  call_timer_fn+0x272/0x920
[  395.165441]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.169660]  ? process_timeout+0x40/0x40
[  395.173715]  ? __run_timers+0x7da/0xc70
[  395.177675]  ? _raw_spin_unlock_irq+0x27/0x80
[  395.182156]  ? _raw_spin_unlock_irq+0x27/0x80
[  395.186640]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.190859]  ? lockdep_hardirqs_on+0x296/0x5b0
[  395.195430]  ? trace_hardirqs_on+0xbd/0x310
[  395.199741]  ? kasan_check_read+0x11/0x20
[  395.203877]  ? __run_timers+0x7da/0xc70
[  395.207839]  ? trace_hardirqs_off_caller+0x310/0x310
[  395.212935]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.217156]  __run_timers+0x7e5/0xc70
[  395.220952]  ? timer_fixup_init+0x70/0x70
[  395.225082]  ? _raw_spin_unlock_irq+0x27/0x80
[  395.229559]  ? _raw_spin_unlock_irq+0x27/0x80
[  395.234041]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  395.238612]  ? trace_hardirqs_on+0xbd/0x310
[  395.242923]  ? kasan_check_read+0x11/0x20
[  395.247058]  ? finish_task_switch+0x1f4/0x910
[  395.251537]  ? trace_hardirqs_off_caller+0x310/0x310
[  395.256633]  ? compat_start_thread+0x80/0x80
[  395.261044]  ? pvclock_read_flags+0x160/0x160
[  395.265521]  ? __switch_to_asm+0x34/0x70
[  395.269566]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.275098]  ? check_preemption_disabled+0x48/0x280
[  395.280116]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  395.285640]  ? rcu_pm_notify+0xc0/0xc0
[  395.289515]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.295132]  ? check_preemption_disabled+0x48/0x280
[  395.300140]  run_timer_softirq+0x52/0xb0
[  395.304188]  ? rcu_read_lock_sched_held+0x14f/0x180
[  395.309198]  __do_softirq+0x308/0xb7e
[  395.313000]  ? retint_kernel+0x2d/0x2d
[  395.316891]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  395.321979]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  395.327415]  ? rcu_irq_enter+0x18c/0x310
[  395.331466]  ? schedule+0x108/0x460
[  395.335077]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  395.339827]  ? trace_hardirqs_off+0xb8/0x310
[  395.344221]  ? smpboot_thread_fn+0x68b/0xa00
[  395.348614]  ? trace_hardirqs_on+0x310/0x310
[  395.353013]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  395.358539]  ? check_preemption_disabled+0x48/0x280
[  395.363546]  ? takeover_tasklets+0xa90/0xa90
[  395.367938]  run_ksoftirqd+0x5e/0x100
[  395.371810]  smpboot_thread_fn+0x68b/0xa00
[  395.376038]  ? sort_range+0x30/0x30
[  395.379657]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  395.384745]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  395.390266]  ? __kthread_parkme+0xfb/0x1a0
[  395.394489]  ? sort_range+0x30/0x30
[  395.398098]  kthread+0x35a/0x440
[  395.401452]  ? kthread_stop+0x900/0x900
[  395.405414]  ret_from_fork+0x3a/0x50
[  395.409128] CPU: 1 PID: 16176 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #181
[  395.409132] warn_alloc_show_mem: 1 callbacks suppressed
[  395.409138] Mem-Info:
[  395.416486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  395.421837] active_anon:54949 inactive_anon:10067 isolated_anon:0
[  395.421837]  active_file:12 inactive_file:12 isolated_file:0
[  395.421837]  unevictable:0 dirty:0 writeback:0 unstable:0
[  395.421837]  slab_reclaimable:9454 slab_unreclaimable:1442611
[  395.421837]  mapped:40962 shmem:10230 pagetables:596 bounce:0
[  395.421837]  free:13765 free_pcp:525 free_cma:0
[  395.424210] Call Trace:
[  395.433572] Node 0 active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:40920kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 202752kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  395.466754]  <IRQ>
[  395.469311] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  395.497135]  dump_stack+0x244/0x39d
[  395.499249] lowmem_reserve[]: 0 2818 6321 6321
[  395.525337]  ? dump_stack_print_info.cold.1+0x20/0x20
[  395.528930] Node 0 DMA32 free:25248kB 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:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  395.533498]  warn_alloc.cold.116+0xb7/0x1bd
[  395.538643] lowmem_reserve[]: 0 0 3503 3503
[  395.565946]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  395.570229] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2384kB bounce:0kB free_pcp:1852kB local_pcp:1500kB free_cma:0kB
[  395.574540]  ? lock_downgrade+0x900/0x900
[  395.579352] lowmem_reserve[]: 0 0 0 0
[  395.608569]  ? trace_hardirqs_off+0xb8/0x310
[  395.612679] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  395.616466]  ? trace_hardirqs_off+0xb8/0x310
[  395.620837] Node 0 DMA32: 4*4kB (UM) 0*8kB 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB
[  395.634349]  __alloc_pages_slowpath+0x2651/0x2de0
[  395.638716] Node 0 Normal: 1308*4kB (ME) 392*8kB (UME) 140*16kB (ME) 47*32kB (ME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  395.653625]  ? warn_alloc+0x120/0x120
[  395.658429] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  395.673056]  ? print_usage_bug+0xc0/0xc0
[  395.676829] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  395.685635]  ? warn_alloc+0x120/0x120
[  395.689673] 10254 total pagecache pages
[  395.698225]  ? warn_alloc+0x120/0x120
[  395.702001] 0 pages in swap cache
[  395.705954]  ? print_usage_bug+0xc0/0xc0
[  395.709723] Swap cache stats: add 0, delete 0, find 0/0
[  395.713155]  ? print_usage_bug+0xc0/0xc0
[  395.717187] Free swap  = 0kB
[  395.722637]  ? __lock_acquire+0x62f/0x4c20
[  395.726674] Total swap = 0kB
[  395.729674]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  395.733869] 1965979 pages RAM
[  395.736866]  ? should_fail+0x22d/0xd01
[  395.742370] 0 pages HighMem/MovableOnly
[  395.745455]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  395.749311] 342853 pages reserved
[  395.753270]  ? __lock_acquire+0x62f/0x4c20
[  395.758341] 0 pages cma reserved
[  395.761774]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  395.766035] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  395.769307]  ? __lock_acquire+0x62f/0x4c20
[  395.769319]  ? should_fail+0x22d/0xd01
[  395.774478] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  395.780881]  ? find_held_lock+0x36/0x1c0
[  395.785089] ksoftirqd/0 cpuset=/ mems_allowed=0
[  395.788962]  ? mark_held_locks+0x130/0x130
[  395.812244]  ? mark_held_locks+0x130/0x130
[  395.816467]  ? zap_class+0x640/0x640
[  395.820164]  ? zap_class+0x640/0x640
[  395.823863]  ? print_usage_bug+0xc0/0xc0
[  395.827907]  ? do_raw_spin_unlock+0xa7/0x330
[  395.832302]  ? zap_class+0x640/0x640
[  395.836009]  ? print_usage_bug+0xc0/0xc0
[  395.840057]  ? wq_watchdog_touch+0x9c/0xfe
[  395.844284]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.849806]  ? check_preemption_disabled+0x48/0x280
[  395.854813]  ? __lock_is_held+0xb5/0x140
[  395.858867]  __alloc_pages_nodemask+0xad8/0xea0
[  395.863518]  ? zap_class+0x640/0x640
[  395.867223]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  395.872234]  ? find_held_lock+0x36/0x1c0
[  395.876285]  ? ____cache_alloc_node+0x1c7/0x1e0
[  395.880939]  ? lock_downgrade+0x900/0x900
[  395.885075]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.890607]  cache_grow_begin+0xa5/0x8c0
[  395.894655]  ? do_raw_spin_unlock+0xa7/0x330
[  395.899055]  fallback_alloc+0x204/0x2e0
[  395.903024]  ____cache_alloc_node+0x1c7/0x1e0
[  395.907508]  kmem_cache_alloc_node+0xe3/0x730
[  395.911992]  ? ipv6_get_ifaddr+0x42e/0x620
[  395.916223]  __alloc_skb+0x119/0x770
[  395.919920]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  395.925185]  ? netdev_alloc_frag+0x1f0/0x1f0
[  395.929581]  ? lock_downgrade+0x900/0x900
[  395.933727]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.939268]  ? refcount_sub_and_test_checked+0x203/0x310
[  395.944709]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  395.950146]  ? addrconf_rs_timer+0x690/0x690
[  395.954548]  ndisc_alloc_skb+0x144/0x340
[  395.958598]  ndisc_send_rs+0x331/0x6e0
[  395.962473]  addrconf_rs_timer+0x314/0x690
[  395.966701]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.970926]  call_timer_fn+0x272/0x920
[  395.974801]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.979022]  ? process_timeout+0x40/0x40
[  395.983080]  ? __run_timers+0x7da/0xc70
[  395.987040]  ? _raw_spin_unlock_irq+0x27/0x80
[  395.991622]  ? _raw_spin_unlock_irq+0x27/0x80
[  395.996116]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  396.000350]  ? lockdep_hardirqs_on+0x296/0x5b0
[  396.004917]  ? trace_hardirqs_on+0xbd/0x310
[  396.009220]  ? kasan_check_read+0x11/0x20
[  396.013351]  ? __run_timers+0x7da/0xc70
[  396.017320]  ? trace_hardirqs_off_caller+0x310/0x310
[  396.022419]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  396.026645]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  396.030865]  __run_timers+0x7e5/0xc70
[  396.034659]  ? timer_fixup_init+0x70/0x70
[  396.038798]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  396.043805]  ? zap_class+0x640/0x640
[  396.047507]  ? enqueue_hrtimer+0x1a5/0x560
[  396.051728]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  396.056915]  ? find_held_lock+0x36/0x1c0
[  396.060966]  ? zap_class+0x640/0x640
[  396.064675]  ? pvclock_read_flags+0x160/0x160
[  396.069162]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.074684]  ? check_preemption_disabled+0x48/0x280
[  396.079691]  ? __lock_is_held+0xb5/0x140
[  396.083751]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.089275]  ? check_preemption_disabled+0x48/0x280
[  396.094280]  run_timer_softirq+0x52/0xb0
[  396.098335]  ? rcu_read_lock_sched_held+0x14f/0x180
[  396.103340]  __do_softirq+0x308/0xb7e
[  396.107126]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  396.111605]  ? lock_downgrade+0x900/0x900
[  396.115752]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  396.120844]  ? pvclock_read_flags+0x160/0x160
[  396.125336]  ? lapic_next_event+0x5a/0x90
[  396.129472]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.134999]  ? kvm_clock_read+0x18/0x30
[  396.138974]  ? kvm_sched_clock_read+0x9/0x20
[  396.143478]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.149007]  ? check_preemption_disabled+0x48/0x280
[  396.154017]  irq_exit+0x17f/0x1c0
[  396.157461]  smp_apic_timer_interrupt+0x1cb/0x760
[  396.162289]  ? smp_reschedule_interrupt+0x109/0x650
[  396.167309]  ? smp_call_function_single_interrupt+0x650/0x650
[  396.173190]  ? interrupt_entry+0xb5/0xc0
[  396.177241]  ? trace_hardirqs_off_caller+0xbb/0x310
[  396.182241]  ? trace_hardirqs_off_caller+0xbb/0x310
[  396.187241]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  396.192074]  ? trace_hardirqs_on_caller+0x310/0x310
[  396.197081]  ? trace_hardirqs_on_caller+0x310/0x310
[  396.202085]  ? task_prio+0x50/0x50
[  396.205616]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.211145]  ? check_preemption_disabled+0x48/0x280
[  396.216155]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  396.220993]  apic_timer_interrupt+0xf/0x20
[  396.225212]  </IRQ>
[  396.227438] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  396.233320] Code: 3e 7e 0f 85 32 ff ff ff e8 03 6a 3d ff e9 28 ff ff ff e8 4a 99 c2 ff 48 83 3d c2 ed 8e 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 ca 05
[  396.252202] RSP: 0018:ffff888198b071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  396.259908] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  396.267172] RDX: 0000000000000000 RSI: ffff8881bbc289c0 RDI: 0000000000000286
[  396.274424] RBP: ffff888198b07250 R08: ffff8881bbc28140 R09: 0000000000000000
[  396.281684] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800940
[  396.288941] R13: ffff8881da800940 R14: 0000000000000000 R15: 0000000000000286
[  396.296216]  ? save_stack+0xa9/0xd0
[  396.299841]  __kmalloc_node_track_caller+0x3c/0x70
[  396.304761]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  396.309508]  pskb_expand_head+0x230/0x10f0
[  396.313910]  ? memcpy+0x45/0x50
[  396.317183]  ? __copy_skb_header+0x350/0x6b0
[  396.321580]  ? skb_release_data+0x9a0/0x9a0
[  396.325905]  ? __alloc_skb+0x770/0x770
[  396.329787]  ? __lock_is_held+0xb5/0x140
[  396.333839]  ? kasan_check_write+0x14/0x20
[  396.338062]  ? __skb_clone+0x6c7/0xa00
[  396.341942]  ? __copy_skb_header+0x6b0/0x6b0
[  396.346340]  ? kmem_cache_alloc+0x33a/0x730
[  396.350661]  skb_ensure_writable+0x3dd/0x640
[  396.355067]  ? skb_checksum_setup+0xaa0/0xaa0
[  396.359569]  ? check_preemption_disabled+0x48/0x280
[  396.364578]  ? __this_cpu_preempt_check+0x1c/0x20
[  396.369411]  ? __bpf_redirect+0x55b/0xb60
[  396.373553]  bpf_clone_redirect+0x14a/0x490
[  396.377869]  bpf_prog_88483476fbe68a28+0x6f0/0x1000
[  396.382879]  ? __sched_text_start+0x8/0x8
[  396.387025]  ? find_held_lock+0x36/0x1c0
[  396.391083]  ? lock_acquire+0x1ed/0x520
[  396.395051]  ? bpf_test_run+0x3ee/0x7a0
[  396.399015]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.404546]  ? check_preemption_disabled+0x48/0x280
[  396.409561]  ? kasan_check_read+0x11/0x20
[  396.413697]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  396.418976]  ? rcu_softirq_qs+0x20/0x20
[  396.422939]  ? preempt_schedule+0x4d/0x60
[  396.427072]  ? ___preempt_schedule+0x16/0x18
[  396.431469]  ? bpf_test_run+0x271/0x7a0
[  396.435441]  ? netlink_diag_dump+0x2a0/0x2a0
[  396.439841]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  396.445365]  ? bpf_test_init.isra.10+0x70/0x100
[  396.450041]  ? bpf_prog_test_run_skb+0x762/0xd90
[  396.454792]  ? bpf_test_finish.isra.9+0x260/0x260
[  396.459623]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  396.465152]  ? fput+0x130/0x1a0
[  396.468418]  ? __bpf_prog_get+0x9b/0x290
[  396.472470]  ? bpf_test_finish.isra.9+0x260/0x260
[  396.477306]  ? __do_sys_bpf+0x1898/0x4570
[  396.481924]  ? bpf_prog_load+0x1db0/0x1db0
[  396.486147]  ? find_held_lock+0x36/0x1c0
[  396.490200]  ? __might_fault+0x12b/0x1e0
[  396.494250]  ? lock_downgrade+0x900/0x900
[  396.498396]  ? lock_release+0xa00/0xa00
[  396.502357]  ? perf_trace_sched_process_exec+0x860/0x860
[  396.507794]  ? posix_ktime_get_ts+0x15/0x20
[  396.512103]  ? trace_hardirqs_off_caller+0x310/0x310
[  396.517207]  ? kasan_check_read+0x11/0x20
[  396.521353]  ? _copy_to_user+0xc8/0x110
[  396.525317]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  396.530841]  ? put_timespec64+0x10f/0x1b0
[  396.534991]  ? nsecs_to_jiffies+0x30/0x30
[  396.539153]  ? trace_hardirqs_off_caller+0x310/0x310
[  396.544244]  ? __x64_sys_bpf+0x73/0xb0
[  396.548118]  ? do_syscall_64+0x1b9/0x820
[  396.552165]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  396.557527]  ? syscall_return_slowpath+0x5e0/0x5e0
[  396.562445]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  396.567286]  ? trace_hardirqs_on_caller+0x310/0x310
[  396.572293]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  396.577299]  ? prepare_exit_to_usermode+0x291/0x3b0
[  396.582309]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  396.587144]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  396.592509] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #181
[  396.592587] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  396.599344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  396.599349] Call Trace:
[  396.599366]  dump_stack+0x244/0x39d
[  396.599382]  ? dump_stack_print_info.cold.1+0x20/0x20
[  396.605999] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  396.615276]  warn_alloc.cold.116+0xb7/0x1bd
[  396.617818] syz-executor0 cpuset=syz0 mems_allowed=0
[  396.621421]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  396.651231]  ? lock_downgrade+0x900/0x900
[  396.655371]  ? trace_hardirqs_off+0xb8/0x310
[  396.659768]  ? trace_hardirqs_off+0xb8/0x310
[  396.664165]  __alloc_pages_slowpath+0x2651/0x2de0
[  396.669013]  ? warn_alloc+0x120/0x120
[  396.672805]  ? print_usage_bug+0xc0/0xc0
[  396.676853]  ? warn_alloc+0x120/0x120
[  396.680646]  ? warn_alloc+0x120/0x120
[  396.684435]  ? print_usage_bug+0xc0/0xc0
[  396.688507]  ? print_usage_bug+0xc0/0xc0
[  396.692560]  ? __lock_acquire+0x62f/0x4c20
[  396.696792]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  396.702339]  ? should_fail+0x22d/0xd01
[  396.706214]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  396.711305]  ? __lock_acquire+0x62f/0x4c20
[  396.715535]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  396.720619]  ? __lock_acquire+0x62f/0x4c20
[  396.724841]  ? should_fail+0x22d/0xd01
[  396.728715]  ? find_held_lock+0x36/0x1c0
[  396.732766]  ? mark_held_locks+0x130/0x130
[  396.736987]  ? mark_held_locks+0x130/0x130
[  396.741206]  ? zap_class+0x640/0x640
[  396.744912]  ? mark_held_locks+0xc7/0x130
[  396.749054]  ? do_raw_spin_unlock+0xa7/0x330
[  396.753450]  ? zap_class+0x640/0x640
[  396.757149]  ? print_usage_bug+0xc0/0xc0
[  396.761197]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.766721]  ? check_preemption_disabled+0x48/0x280
[  396.771731]  ? __lock_is_held+0xb5/0x140
[  396.775782]  __alloc_pages_nodemask+0xad8/0xea0
[  396.780438]  ? zap_class+0x640/0x640
[  396.784138]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  396.789149]  ? find_held_lock+0x36/0x1c0
[  396.793200]  ? ____cache_alloc_node+0x1c7/0x1e0
[  396.797857]  ? lock_downgrade+0x900/0x900
[  396.801996]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.807529]  cache_grow_begin+0xa5/0x8c0
[  396.811576]  ? do_raw_spin_unlock+0xa7/0x330
[  396.815973]  fallback_alloc+0x204/0x2e0
[  396.819935]  ____cache_alloc_node+0x1c7/0x1e0
[  396.824417]  kmem_cache_alloc_node+0xe3/0x730
[  396.828895]  ? ipv6_get_ifaddr+0x42e/0x620
[  396.833123]  __alloc_skb+0x119/0x770
[  396.836822]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  396.842084]  ? netdev_alloc_frag+0x1f0/0x1f0
[  396.846480]  ? lock_downgrade+0x900/0x900
[  396.850634]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.856160]  ? refcount_sub_and_test_checked+0x203/0x310
[  396.861597]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  396.867052]  ? addrconf_rs_timer+0x690/0x690
[  396.871454]  ndisc_alloc_skb+0x144/0x340
[  396.875502]  ndisc_send_rs+0x331/0x6e0
[  396.879383]  addrconf_rs_timer+0x314/0x690
[  396.883607]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  396.887833]  call_timer_fn+0x272/0x920
[  396.891709]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  396.895928]  ? process_timeout+0x40/0x40
[  396.899981]  ? __run_timers+0x7da/0xc70
[  396.903941]  ? _raw_spin_unlock_irq+0x27/0x80
[  396.908421]  ? _raw_spin_unlock_irq+0x27/0x80
[  396.912905]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  396.917128]  ? lockdep_hardirqs_on+0x296/0x5b0
[  396.921697]  ? trace_hardirqs_on+0xbd/0x310
[  396.926003]  ? kasan_check_read+0x11/0x20
[  396.930136]  ? __run_timers+0x7da/0xc70
[  396.934098]  ? trace_hardirqs_off_caller+0x310/0x310
[  396.939194]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  396.943422]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  396.947644]  __run_timers+0x7e5/0xc70
[  396.951440]  ? timer_fixup_init+0x70/0x70
[  396.955580]  ? _raw_spin_unlock_irq+0x27/0x80
[  396.960061]  ? _raw_spin_unlock_irq+0x27/0x80
[  396.964543]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  396.969112]  ? trace_hardirqs_on+0xbd/0x310
[  396.973419]  ? kasan_check_read+0x11/0x20
[  396.977559]  ? finish_task_switch+0x1f4/0x910
[  396.982043]  ? trace_hardirqs_off_caller+0x310/0x310
[  396.987132]  ? compat_start_thread+0x80/0x80
[  396.991549]  ? pvclock_read_flags+0x160/0x160
[  396.996043]  ? __switch_to_asm+0x34/0x70
[  397.000091]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.005625]  ? check_preemption_disabled+0x48/0x280
[  397.010635]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  397.016162]  ? rcu_pm_notify+0xc0/0xc0
[  397.020040]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.025567]  ? check_preemption_disabled+0x48/0x280
[  397.030579]  run_timer_softirq+0x52/0xb0
[  397.034626]  ? rcu_read_lock_sched_held+0x14f/0x180
[  397.039638]  __do_softirq+0x308/0xb7e
[  397.043437]  ? retint_kernel+0x2d/0x2d
[  397.047321]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  397.052417]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  397.057943]  ? rcu_irq_enter+0x18c/0x310
[  397.062001]  ? schedule+0x108/0x460
[  397.065616]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  397.070366]  ? trace_hardirqs_off+0xb8/0x310
[  397.074760]  ? smpboot_thread_fn+0x68b/0xa00
[  397.079152]  ? trace_hardirqs_on+0x310/0x310
[  397.083550]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  397.089092]  ? check_preemption_disabled+0x48/0x280
[  397.094098]  ? takeover_tasklets+0xa90/0xa90
[  397.098504]  run_ksoftirqd+0x5e/0x100
[  397.102296]  smpboot_thread_fn+0x68b/0xa00
[  397.106541]  ? sort_range+0x30/0x30
[  397.110170]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  397.115266]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  397.120794]  ? __kthread_parkme+0xfb/0x1a0
[  397.125028]  ? sort_range+0x30/0x30
[  397.128642]  kthread+0x35a/0x440
[  397.131995]  ? kthread_stop+0x900/0x900
[  397.135989]  ret_from_fork+0x3a/0x50
[  397.139715] CPU: 1 PID: 16176 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #181
[  397.139720] warn_alloc_show_mem: 1 callbacks suppressed
[  397.139725] Mem-Info:
[  397.147089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  397.152451] active_anon:54949 inactive_anon:10067 isolated_anon:0
[  397.152451]  active_file:12 inactive_file:12 isolated_file:0
[  397.152451]  unevictable:0 dirty:0 writeback:0 unstable:0
[  397.152451]  slab_reclaimable:9454 slab_unreclaimable:1442611
[  397.152451]  mapped:40962 shmem:10230 pagetables:596 bounce:0
[  397.152451]  free:13765 free_pcp:525 free_cma:0
[  397.154820] Call Trace:
[  397.164186] Node 0 active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:40920kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 202752kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  397.197367]  <IRQ>
[  397.199923] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  397.227745]  dump_stack+0x244/0x39d
[  397.229854] lowmem_reserve[]: 0 2818 6321 6321
[  397.256052]  ? dump_stack_print_info.cold.1+0x20/0x20
[  397.259645] Node 0 DMA32 free:25248kB 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:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  397.264226]  warn_alloc.cold.116+0xb7/0x1bd
[  397.269385] lowmem_reserve[]: 0 0 3503 3503
[  397.296690]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  397.300977] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2384kB bounce:0kB free_pcp:1852kB local_pcp:1500kB free_cma:0kB
[  397.305282]  ? lock_downgrade+0x900/0x900
[  397.310091] lowmem_reserve[]: 0 0 0 0
[  397.339307]  ? trace_hardirqs_off+0xb8/0x310
[  397.343415] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  397.347199]  ? trace_hardirqs_off+0xb8/0x310
[  397.351577] Node 0 DMA32: 4*4kB (UM) 0*8kB 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB
[  397.365086]  __alloc_pages_slowpath+0x2651/0x2de0
[  397.369454] Node 0 Normal: 1308*4kB (ME) 392*8kB (UME) 140*16kB (ME) 47*32kB (ME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  397.384364]  ? warn_alloc+0x120/0x120
[  397.389160] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  397.403786]  ? print_usage_bug+0xc0/0xc0
[  397.407589] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  397.416403]  ? warn_alloc+0x120/0x120
[  397.420432] 10254 total pagecache pages
[  397.429003]  ? warn_alloc+0x120/0x120
[  397.432773] 0 pages in swap cache
[  397.436720]  ? print_usage_bug+0xc0/0xc0
[  397.440489] Swap cache stats: add 0, delete 0, find 0/0
[  397.443922]  ? kvm_clock_read+0x18/0x30
[  397.447946] Free swap  = 0kB
[  397.453286]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  397.457226] Total swap = 0kB
[  397.460229]  ? print_usage_bug+0xc0/0xc0
[  397.465215] 1965979 pages RAM
[  397.468214]  ? __lock_acquire+0x62f/0x4c20
[  397.472237] 0 pages HighMem/MovableOnly
[  397.475322]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  397.479523] 342853 pages reserved
[  397.483496]  ? should_fail+0x22d/0xd01
[  397.488998] 0 pages cma reserved
[  397.492431]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  397.496341] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  397.499633]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  397.504946] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  397.511347]  ? __lock_acquire+0x62f/0x4c20
[  397.516415] ksoftirqd/0 cpuset=/ mems_allowed=0
[  397.526795]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  397.540723]  ? __lock_acquire+0x62f/0x4c20
[  397.544943]  ? should_fail+0x22d/0xd01
[  397.548817]  ? rcu_irq_exit+0x1a2/0x390
[  397.552788]  ? mark_held_locks+0x130/0x130
[  397.557098]  ? mark_held_locks+0x130/0x130
[  397.561324]  ? mark_held_locks+0xc7/0x130
[  397.565457]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  397.570457]  ? zap_class+0x640/0x640
[  397.574157]  ? print_usage_bug+0xc0/0xc0
[  397.578216]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.583738]  ? check_preemption_disabled+0x48/0x280
[  397.588747]  ? __lock_is_held+0xb5/0x140
[  397.592800]  __alloc_pages_nodemask+0xad8/0xea0
[  397.597457]  ? zap_class+0x640/0x640
[  397.601161]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  397.606171]  ? find_held_lock+0x36/0x1c0
[  397.610252]  ? ____cache_alloc_node+0x1c7/0x1e0
[  397.614909]  ? lock_downgrade+0x900/0x900
[  397.619053]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.624579]  cache_grow_begin+0xa5/0x8c0
[  397.628628]  ? do_raw_spin_unlock+0xa7/0x330
[  397.633032]  fallback_alloc+0x204/0x2e0
[  397.636997]  ____cache_alloc_node+0x1c7/0x1e0
[  397.641480]  kmem_cache_alloc_node+0xe3/0x730
[  397.645968]  ? ipv6_get_ifaddr+0x42e/0x620
[  397.650200]  __alloc_skb+0x119/0x770
[  397.653900]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  397.659167]  ? netdev_alloc_frag+0x1f0/0x1f0
[  397.663572]  ? lock_downgrade+0x900/0x900
[  397.667712]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.673238]  ? refcount_sub_and_test_checked+0x203/0x310
[  397.678682]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  397.684125]  ? addrconf_rs_timer+0x690/0x690
[  397.688529]  ndisc_alloc_skb+0x144/0x340
[  397.692586]  ndisc_send_rs+0x331/0x6e0
[  397.696474]  addrconf_rs_timer+0x314/0x690
[  397.700707]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.704942]  call_timer_fn+0x272/0x920
[  397.708822]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.713050]  ? process_timeout+0x40/0x40
[  397.717102]  ? __run_timers+0x7da/0xc70
[  397.721067]  ? _raw_spin_unlock_irq+0x27/0x80
[  397.725554]  ? _raw_spin_unlock_irq+0x27/0x80
[  397.730051]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.734275]  ? lockdep_hardirqs_on+0x296/0x5b0
[  397.738844]  ? trace_hardirqs_on+0xbd/0x310
[  397.743154]  ? kasan_check_read+0x11/0x20
[  397.747289]  ? __run_timers+0x7da/0xc70
[  397.751247]  ? trace_hardirqs_off_caller+0x310/0x310
[  397.756340]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.760565]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.764785]  __run_timers+0x7e5/0xc70
[  397.768577]  ? timer_fixup_init+0x70/0x70
[  397.772712]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  397.777714]  ? zap_class+0x640/0x640
[  397.781428]  ? enqueue_hrtimer+0x1a5/0x560
[  397.785658]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  397.790840]  ? find_held_lock+0x36/0x1c0
[  397.794889]  ? zap_class+0x640/0x640
[  397.798600]  ? pvclock_read_flags+0x160/0x160
[  397.803092]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.808619]  ? check_preemption_disabled+0x48/0x280
[  397.813631]  ? __lock_is_held+0xb5/0x140
[  397.817676]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.823208]  ? check_preemption_disabled+0x48/0x280
[  397.828216]  run_timer_softirq+0x52/0xb0
[  397.832351]  ? rcu_read_lock_sched_held+0x14f/0x180
[  397.837355]  __do_softirq+0x308/0xb7e
[  397.841236]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  397.845714]  ? lock_downgrade+0x900/0x900
[  397.849851]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  397.854950]  ? pvclock_read_flags+0x160/0x160
[  397.859432]  ? lapic_next_event+0x5a/0x90
[  397.863567]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.869092]  ? kvm_clock_read+0x18/0x30
[  397.873052]  ? kvm_sched_clock_read+0x9/0x20
[  397.877448]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.882972]  ? check_preemption_disabled+0x48/0x280
[  397.887995]  irq_exit+0x17f/0x1c0
[  397.891448]  smp_apic_timer_interrupt+0x1cb/0x760
[  397.896278]  ? smp_reschedule_interrupt+0x109/0x650
[  397.901280]  ? smp_call_function_single_interrupt+0x650/0x650
[  397.907148]  ? interrupt_entry+0xb5/0xc0
[  397.911220]  ? trace_hardirqs_off_caller+0xbb/0x310
[  397.916223]  ? trace_hardirqs_off_caller+0xbb/0x310
[  397.921229]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  397.926056]  ? trace_hardirqs_on_caller+0x310/0x310
[  397.931054]  ? trace_hardirqs_on_caller+0x310/0x310
[  397.936053]  ? task_prio+0x50/0x50
[  397.939601]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.945128]  ? check_preemption_disabled+0x48/0x280
[  397.950132]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  397.954964]  apic_timer_interrupt+0xf/0x20
[  397.959184]  </IRQ>
[  397.961414] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  397.967286] Code: 3e 7e 0f 85 32 ff ff ff e8 03 6a 3d ff e9 28 ff ff ff e8 4a 99 c2 ff 48 83 3d c2 ed 8e 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 ca 05
[  397.986176] RSP: 0018:ffff888198b071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  397.993871] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  398.001124] RDX: 0000000000000000 RSI: ffff8881bbc289c0 RDI: 0000000000000286
[  398.008376] RBP: ffff888198b07250 R08: ffff8881bbc28140 R09: 0000000000000000
[  398.015630] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800940
[  398.022885] R13: ffff8881da800940 R14: 0000000000000000 R15: 0000000000000286
[  398.030156]  ? save_stack+0xa9/0xd0
[  398.033786]  __kmalloc_node_track_caller+0x3c/0x70
[  398.038704]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  398.043452]  pskb_expand_head+0x230/0x10f0
[  398.047679]  ? memcpy+0x45/0x50
[  398.050952]  ? __copy_skb_header+0x350/0x6b0
[  398.055346]  ? skb_release_data+0x9a0/0x9a0
[  398.059655]  ? __alloc_skb+0x770/0x770
[  398.063536]  ? __lock_is_held+0xb5/0x140
[  398.067586]  ? kasan_check_write+0x14/0x20
[  398.071810]  ? __skb_clone+0x6c7/0xa00
[  398.075696]  ? __copy_skb_header+0x6b0/0x6b0
[  398.080104]  ? kmem_cache_alloc+0x33a/0x730
[  398.084433]  skb_ensure_writable+0x3dd/0x640
[  398.088835]  ? skb_checksum_setup+0xaa0/0xaa0
[  398.093325]  ? check_preemption_disabled+0x48/0x280
[  398.098338]  ? __this_cpu_preempt_check+0x1c/0x20
[  398.103198]  ? __bpf_redirect+0x55b/0xb60
[  398.107356]  bpf_clone_redirect+0x14a/0x490
[  398.111671]  bpf_prog_88483476fbe68a28+0x6f0/0x1000
[  398.116675]  ? __sched_text_start+0x8/0x8
[  398.120816]  ? find_held_lock+0x36/0x1c0
[  398.124870]  ? lock_acquire+0x1ed/0x520
[  398.128836]  ? bpf_test_run+0x3ee/0x7a0
[  398.132797]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.138324]  ? check_preemption_disabled+0x48/0x280
[  398.143443]  ? kasan_check_read+0x11/0x20
[  398.147576]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  398.152841]  ? rcu_softirq_qs+0x20/0x20
[  398.156919]  ? preempt_schedule+0x4d/0x60
[  398.161151]  ? ___preempt_schedule+0x16/0x18
[  398.165556]  ? bpf_test_run+0x271/0x7a0
[  398.169523]  ? netlink_diag_dump+0x2a0/0x2a0
[  398.173921]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  398.179445]  ? bpf_test_init.isra.10+0x70/0x100
[  398.184109]  ? bpf_prog_test_run_skb+0x762/0xd90
[  398.188857]  ? bpf_test_finish.isra.9+0x260/0x260
[  398.193687]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  398.199214]  ? fput+0x130/0x1a0
[  398.202489]  ? __bpf_prog_get+0x9b/0x290
[  398.206540]  ? bpf_test_finish.isra.9+0x260/0x260
[  398.211377]  ? __do_sys_bpf+0x1898/0x4570
[  398.215525]  ? bpf_prog_load+0x1db0/0x1db0
[  398.219747]  ? find_held_lock+0x36/0x1c0
[  398.223799]  ? __might_fault+0x12b/0x1e0
[  398.227847]  ? lock_downgrade+0x900/0x900
[  398.231995]  ? lock_release+0xa00/0xa00
[  398.235954]  ? perf_trace_sched_process_exec+0x860/0x860
[  398.241385]  ? posix_ktime_get_ts+0x15/0x20
[  398.245695]  ? trace_hardirqs_off_caller+0x310/0x310
[  398.250797]  ? kasan_check_read+0x11/0x20
[  398.254931]  ? _copy_to_user+0xc8/0x110
[  398.258896]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  398.264423]  ? put_timespec64+0x10f/0x1b0
[  398.268560]  ? nsecs_to_jiffies+0x30/0x30
[  398.272704]  ? trace_hardirqs_off_caller+0x310/0x310
[  398.277799]  ? __x64_sys_bpf+0x73/0xb0
[  398.281673]  ? do_syscall_64+0x1b9/0x820
[  398.285723]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  398.291074]  ? syscall_return_slowpath+0x5e0/0x5e0
[  398.295992]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  398.300821]  ? trace_hardirqs_on_caller+0x310/0x310
[  398.305942]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  398.310951]  ? prepare_exit_to_usermode+0x291/0x3b0
[  398.316103]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  398.320944]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  398.326305] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #181
[  398.326371] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  398.333128] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  398.333134] Call Trace:
[  398.339679] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  398.348941]  dump_stack+0x244/0x39d
[  398.351492] syz-executor0 cpuset=syz0 mems_allowed=0
[  398.361957]  ? dump_stack_print_info.cold.1+0x20/0x20
[  398.375802]  warn_alloc.cold.116+0xb7/0x1bd
[  398.380109]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  398.384941]  ? lock_downgrade+0x900/0x900
[  398.389083]  ? trace_hardirqs_off+0xb8/0x310
[  398.393483]  ? trace_hardirqs_off+0xb8/0x310
[  398.397885]  __alloc_pages_slowpath+0x2651/0x2de0
[  398.402732]  ? warn_alloc+0x120/0x120
[  398.406518]  ? print_usage_bug+0xc0/0xc0
[  398.410569]  ? warn_alloc+0x120/0x120
[  398.414361]  ? warn_alloc+0x120/0x120
[  398.418157]  ? print_usage_bug+0xc0/0xc0
[  398.422208]  ? print_usage_bug+0xc0/0xc0
[  398.426256]  ? __lock_acquire+0x62f/0x4c20
[  398.430492]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  398.436014]  ? should_fail+0x22d/0xd01
[  398.439888]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  398.444978]  ? __lock_acquire+0x62f/0x4c20
[  398.449201]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  398.454287]  ? __lock_acquire+0x62f/0x4c20
[  398.458505]  ? should_fail+0x22d/0xd01
[  398.462378]  ? find_held_lock+0x36/0x1c0
[  398.466436]  ? mark_held_locks+0x130/0x130
[  398.470745]  ? mark_held_locks+0x130/0x130
[  398.474964]  ? zap_class+0x640/0x640
[  398.478665]  ? mark_held_locks+0xc7/0x130
[  398.482969]  ? do_raw_spin_unlock+0xa7/0x330
[  398.487367]  ? zap_class+0x640/0x640
[  398.491071]  ? print_usage_bug+0xc0/0xc0
[  398.495130]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.500663]  ? check_preemption_disabled+0x48/0x280
[  398.505671]  ? __lock_is_held+0xb5/0x140
[  398.509725]  __alloc_pages_nodemask+0xad8/0xea0
[  398.514382]  ? zap_class+0x640/0x640
[  398.518087]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  398.523098]  ? find_held_lock+0x36/0x1c0
[  398.527161]  ? ____cache_alloc_node+0x1c7/0x1e0
[  398.531819]  ? lock_downgrade+0x900/0x900
[  398.535962]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.541489]  cache_grow_begin+0xa5/0x8c0
[  398.545533]  ? do_raw_spin_unlock+0xa7/0x330
[  398.549951]  fallback_alloc+0x204/0x2e0
[  398.553916]  ____cache_alloc_node+0x1c7/0x1e0
[  398.558404]  kmem_cache_alloc_node+0xe3/0x730
[  398.562884]  ? ipv6_get_ifaddr+0x42e/0x620
[  398.567123]  __alloc_skb+0x119/0x770
[  398.570827]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  398.576088]  ? netdev_alloc_frag+0x1f0/0x1f0
[  398.580486]  ? lock_downgrade+0x900/0x900
[  398.584627]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.590152]  ? refcount_sub_and_test_checked+0x203/0x310
[  398.595590]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  398.601027]  ? addrconf_rs_timer+0x690/0x690
[  398.605439]  ndisc_alloc_skb+0x144/0x340
[  398.609493]  ndisc_send_rs+0x331/0x6e0
[  398.613372]  addrconf_rs_timer+0x314/0x690
[  398.617639]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.621872]  call_timer_fn+0x272/0x920
[  398.625750]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.629976]  ? process_timeout+0x40/0x40
[  398.634029]  ? __run_timers+0x7da/0xc70
[  398.638002]  ? _raw_spin_unlock_irq+0x27/0x80
[  398.642500]  ? _raw_spin_unlock_irq+0x27/0x80
[  398.646978]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.651202]  ? lockdep_hardirqs_on+0x296/0x5b0
[  398.655772]  ? trace_hardirqs_on+0xbd/0x310
[  398.660078]  ? kasan_check_read+0x11/0x20
[  398.664213]  ? __run_timers+0x7da/0xc70
[  398.668175]  ? trace_hardirqs_off_caller+0x310/0x310
[  398.673268]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.677497]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.681715]  __run_timers+0x7e5/0xc70
[  398.685513]  ? timer_fixup_init+0x70/0x70
[  398.689649]  ? _raw_spin_unlock_irq+0x27/0x80
[  398.694140]  ? _raw_spin_unlock_irq+0x27/0x80
[  398.698625]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  398.703197]  ? trace_hardirqs_on+0xbd/0x310
[  398.707616]  ? kasan_check_read+0x11/0x20
[  398.711750]  ? finish_task_switch+0x1f4/0x910
[  398.716237]  ? trace_hardirqs_off_caller+0x310/0x310
[  398.721332]  ? compat_start_thread+0x80/0x80
[  398.725746]  ? pvclock_read_flags+0x160/0x160
[  398.730232]  ? __switch_to_asm+0x34/0x70
[  398.734283]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.739805]  ? check_preemption_disabled+0x48/0x280
[  398.744817]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  398.750343]  ? rcu_pm_notify+0xc0/0xc0
[  398.754215]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.759739]  ? check_preemption_disabled+0x48/0x280
[  398.764745]  run_timer_softirq+0x52/0xb0
[  398.768794]  ? rcu_read_lock_sched_held+0x14f/0x180
[  398.773795]  __do_softirq+0x308/0xb7e
[  398.777581]  ? retint_kernel+0x2d/0x2d
[  398.781459]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  398.786546]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  398.791979]  ? rcu_irq_enter+0x18c/0x310
[  398.796030]  ? schedule+0x108/0x460
[  398.799642]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  398.804394]  ? trace_hardirqs_off+0xb8/0x310
[  398.808791]  ? smpboot_thread_fn+0x68b/0xa00
[  398.813186]  ? trace_hardirqs_on+0x310/0x310
[  398.817579]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  398.823104]  ? check_preemption_disabled+0x48/0x280
[  398.828125]  ? takeover_tasklets+0xa90/0xa90
[  398.832518]  run_ksoftirqd+0x5e/0x100
[  398.836304]  smpboot_thread_fn+0x68b/0xa00
[  398.840530]  ? sort_range+0x30/0x30
[  398.844142]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  398.849233]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  398.854774]  ? __kthread_parkme+0xfb/0x1a0
[  398.859082]  ? sort_range+0x30/0x30
[  398.862702]  kthread+0x35a/0x440
[  398.866056]  ? kthread_stop+0x900/0x900
[  398.870014]  ret_from_fork+0x3a/0x50
[  398.873732] CPU: 1 PID: 16176 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #181
[  398.873735] warn_alloc_show_mem: 1 callbacks suppressed
[  398.873740] Mem-Info:
[  398.881094] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  398.886453] active_anon:54949 inactive_anon:10067 isolated_anon:0
[  398.886453]  active_file:12 inactive_file:12 isolated_file:0
[  398.886453]  unevictable:0 dirty:0 writeback:0 unstable:0
[  398.886453]  slab_reclaimable:9454 slab_unreclaimable:1442611
[  398.886453]  mapped:40962 shmem:10230 pagetables:596 bounce:0
[  398.886453]  free:13765 free_pcp:525 free_cma:0
[  398.888816] Call Trace:
[  398.898177] Node 0 active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:40920kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 202752kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  398.931453]  <IRQ>
[  398.934012] 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
[  398.961925]  dump_stack+0x244/0x39d
[  398.964039] lowmem_reserve[]: 0 2818 6321 6321
[  398.990129]  ? dump_stack_print_info.cold.1+0x20/0x20
[  398.993718] Node 0 DMA32 free:25248kB 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:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  398.998292]  warn_alloc.cold.116+0xb7/0x1bd
[  399.003440] lowmem_reserve[]: 0 0 3503 3503
[  399.030741]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  399.035028] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2384kB bounce:0kB free_pcp:1852kB local_pcp:1500kB free_cma:0kB
[  399.039338]  ? lock_downgrade+0x900/0x900
[  399.044145] lowmem_reserve[]: 0 0 0 0
[  399.073364]  ? trace_hardirqs_off+0xb8/0x310
[  399.077476] 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
[  399.081273]  ? trace_hardirqs_off+0xb8/0x310
[  399.085642] Node 0 DMA32: 4*4kB (UM) 0*8kB 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB
[  399.099146]  __alloc_pages_slowpath+0x2651/0x2de0
[  399.103519] Node 0 Normal: 1308*4kB (ME) 392*8kB (UME) 140*16kB (ME) 47*32kB (ME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  399.118434]  ? warn_alloc+0x120/0x120
[  399.123229] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  399.137857]  ? print_usage_bug+0xc0/0xc0
[  399.141619] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  399.150426]  ? warn_alloc+0x120/0x120
[  399.154455] 10254 total pagecache pages
[  399.163006]  ? warn_alloc+0x120/0x120
[  399.166779] 0 pages in swap cache
[  399.170729]  ? print_usage_bug+0xc0/0xc0
[  399.174498] Swap cache stats: add 0, delete 0, find 0/0
[  399.177928]  ? kvm_clock_read+0x18/0x30
[  399.181953] Free swap  = 0kB
[  399.187293]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  399.191233] Total swap = 0kB
[  399.194241]  ? print_usage_bug+0xc0/0xc0
[  399.199222] 1965979 pages RAM
[  399.202226]  ? __lock_acquire+0x62f/0x4c20
[  399.206250] 0 pages HighMem/MovableOnly
[  399.206257] 342853 pages reserved
[  399.209344]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.213565] 0 pages cma reserved
[  399.217520]  ? should_fail+0x22d/0xd01
[  399.221038] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  399.226473]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  399.226499]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  399.226513]  ? __lock_acquire+0x62f/0x4c20
[  399.229897] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  399.233721]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  399.240175] ksoftirqd/0 cpuset=/ mems_allowed=0
[  399.245426]  ? __lock_acquire+0x62f/0x4c20
[  399.245439]  ? should_fail+0x22d/0xd01
[  399.282806]  ? rcu_irq_exit+0x1a2/0x390
[  399.286771]  ? mark_held_locks+0x130/0x130
[  399.290997]  ? mark_held_locks+0x130/0x130
[  399.295224]  ? mark_held_locks+0xc7/0x130
[  399.299362]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  399.304369]  ? zap_class+0x640/0x640
[  399.308072]  ? print_usage_bug+0xc0/0xc0
[  399.312130]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.317658]  ? check_preemption_disabled+0x48/0x280
[  399.322671]  ? __lock_is_held+0xb5/0x140
[  399.326725]  __alloc_pages_nodemask+0xad8/0xea0
[  399.331468]  ? zap_class+0x640/0x640
[  399.335170]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  399.340290]  ? find_held_lock+0x36/0x1c0
[  399.344353]  ? ____cache_alloc_node+0x1c7/0x1e0
[  399.349006]  ? lock_downgrade+0x900/0x900
[  399.353166]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.358692]  cache_grow_begin+0xa5/0x8c0
[  399.362827]  ? do_raw_spin_unlock+0xa7/0x330
[  399.367232]  fallback_alloc+0x204/0x2e0
[  399.371195]  ____cache_alloc_node+0x1c7/0x1e0
[  399.375681]  kmem_cache_alloc_node+0xe3/0x730
[  399.380173]  ? ipv6_get_ifaddr+0x42e/0x620
[  399.384404]  __alloc_skb+0x119/0x770
[  399.388103]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  399.393371]  ? netdev_alloc_frag+0x1f0/0x1f0
[  399.397766]  ? lock_downgrade+0x900/0x900
[  399.401907]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.407432]  ? refcount_sub_and_test_checked+0x203/0x310
[  399.412880]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  399.418323]  ? addrconf_rs_timer+0x690/0x690
[  399.422818]  ndisc_alloc_skb+0x144/0x340
[  399.426876]  ndisc_send_rs+0x331/0x6e0
[  399.430758]  addrconf_rs_timer+0x314/0x690
[  399.434988]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  399.439223]  call_timer_fn+0x272/0x920
[  399.443102]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  399.447327]  ? process_timeout+0x40/0x40
[  399.451402]  ? __run_timers+0x7da/0xc70
[  399.455363]  ? _raw_spin_unlock_irq+0x27/0x80
[  399.459852]  ? _raw_spin_unlock_irq+0x27/0x80
[  399.464336]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  399.468564]  ? lockdep_hardirqs_on+0x296/0x5b0
[  399.473252]  ? trace_hardirqs_on+0xbd/0x310
[  399.477561]  ? kasan_check_read+0x11/0x20
[  399.481700]  ? __run_timers+0x7da/0xc70
[  399.485660]  ? trace_hardirqs_off_caller+0x310/0x310
[  399.490752]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  399.494981]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  399.499205]  __run_timers+0x7e5/0xc70
[  399.503004]  ? timer_fixup_init+0x70/0x70
[  399.507143]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  399.512150]  ? zap_class+0x640/0x640
[  399.515850]  ? enqueue_hrtimer+0x1a5/0x560
[  399.520074]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  399.525255]  ? find_held_lock+0x36/0x1c0
[  399.529307]  ? zap_class+0x640/0x640
[  399.533009]  ? pvclock_read_flags+0x160/0x160
[  399.537491]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.543014]  ? check_preemption_disabled+0x48/0x280
[  399.548022]  ? __lock_is_held+0xb5/0x140
[  399.552075]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.557598]  ? check_preemption_disabled+0x48/0x280
[  399.562602]  run_timer_softirq+0x52/0xb0
[  399.566653]  ? rcu_read_lock_sched_held+0x14f/0x180
[  399.571661]  __do_softirq+0x308/0xb7e
[  399.575452]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  399.579934]  ? lock_downgrade+0x900/0x900
[  399.584076]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  399.589170]  ? pvclock_read_flags+0x160/0x160
[  399.593650]  ? lapic_next_event+0x5a/0x90
[  399.597789]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.603317]  ? kvm_clock_read+0x18/0x30
[  399.607276]  ? kvm_sched_clock_read+0x9/0x20
[  399.611669]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.617292]  ? check_preemption_disabled+0x48/0x280
[  399.622305]  irq_exit+0x17f/0x1c0
[  399.625746]  smp_apic_timer_interrupt+0x1cb/0x760
[  399.630574]  ? smp_reschedule_interrupt+0x109/0x650
[  399.635575]  ? smp_call_function_single_interrupt+0x650/0x650
[  399.641445]  ? interrupt_entry+0xb5/0xc0
[  399.645495]  ? trace_hardirqs_off_caller+0xbb/0x310
[  399.650496]  ? trace_hardirqs_off_caller+0xbb/0x310
[  399.655500]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  399.660330]  ? trace_hardirqs_on_caller+0x310/0x310
[  399.665330]  ? trace_hardirqs_on_caller+0x310/0x310
[  399.670331]  ? task_prio+0x50/0x50
[  399.673857]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.679400]  ? check_preemption_disabled+0x48/0x280
[  399.684408]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  399.689240]  apic_timer_interrupt+0xf/0x20
[  399.693472]  </IRQ>
[  399.695698] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  399.701591] Code: 3e 7e 0f 85 32 ff ff ff e8 03 6a 3d ff e9 28 ff ff ff e8 4a 99 c2 ff 48 83 3d c2 ed 8e 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 ca 05
[  399.720481] RSP: 0018:ffff888198b071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  399.728272] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  399.735540] RDX: 0000000000000000 RSI: ffff8881bbc289c0 RDI: 0000000000000286
[  399.742796] RBP: ffff888198b07250 R08: ffff8881bbc28140 R09: 0000000000000000
[  399.750058] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800940
[  399.757315] R13: ffff8881da800940 R14: 0000000000000000 R15: 0000000000000286
[  399.764588]  ? save_stack+0xa9/0xd0
[  399.768301]  __kmalloc_node_track_caller+0x3c/0x70
[  399.773218]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  399.777963]  pskb_expand_head+0x230/0x10f0
[  399.782189]  ? memcpy+0x45/0x50
[  399.785456]  ? __copy_skb_header+0x350/0x6b0
[  399.789854]  ? skb_release_data+0x9a0/0x9a0
[  399.794164]  ? __alloc_skb+0x770/0x770
[  399.798051]  ? __lock_is_held+0xb5/0x140
[  399.802105]  ? kasan_check_write+0x14/0x20
[  399.806322]  ? __skb_clone+0x6c7/0xa00
[  399.810197]  ? __copy_skb_header+0x6b0/0x6b0
[  399.814592]  ? kmem_cache_alloc+0x33a/0x730
[  399.818924]  skb_ensure_writable+0x3dd/0x640
[  399.823320]  ? skb_checksum_setup+0xaa0/0xaa0
[  399.827805]  ? check_preemption_disabled+0x48/0x280
[  399.832816]  ? __this_cpu_preempt_check+0x1c/0x20
[  399.837647]  ? __bpf_redirect+0x55b/0xb60
[  399.841790]  bpf_clone_redirect+0x14a/0x490
[  399.846140]  bpf_prog_88483476fbe68a28+0x6f0/0x1000
[  399.851152]  ? __sched_text_start+0x8/0x8
[  399.855297]  ? find_held_lock+0x36/0x1c0
[  399.859352]  ? lock_acquire+0x1ed/0x520
[  399.863316]  ? bpf_test_run+0x3ee/0x7a0
[  399.867295]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.872827]  ? check_preemption_disabled+0x48/0x280
[  399.877853]  ? kasan_check_read+0x11/0x20
[  399.881990]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  399.887272]  ? rcu_softirq_qs+0x20/0x20
[  399.891255]  ? preempt_schedule+0x4d/0x60
[  399.895392]  ? ___preempt_schedule+0x16/0x18
[  399.899796]  ? bpf_test_run+0x271/0x7a0
[  399.903779]  ? netlink_diag_dump+0x2a0/0x2a0
[  399.908191]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.913719]  ? bpf_test_init.isra.10+0x70/0x100
[  399.918386]  ? bpf_prog_test_run_skb+0x762/0xd90
[  399.923150]  ? bpf_test_finish.isra.9+0x260/0x260
[  399.927981]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  399.933505]  ? fput+0x130/0x1a0
[  399.936777]  ? __bpf_prog_get+0x9b/0x290
[  399.940830]  ? bpf_test_finish.isra.9+0x260/0x260
[  399.945660]  ? __do_sys_bpf+0x1898/0x4570
[  399.949802]  ? bpf_prog_load+0x1db0/0x1db0
[  399.954035]  ? find_held_lock+0x36/0x1c0
[  399.958094]  ? __might_fault+0x12b/0x1e0
[  399.962140]  ? lock_downgrade+0x900/0x900
[  399.966279]  ? lock_release+0xa00/0xa00
[  399.970238]  ? perf_trace_sched_process_exec+0x860/0x860
[  399.975669]  ? posix_ktime_get_ts+0x15/0x20
[  399.979982]  ? trace_hardirqs_off_caller+0x310/0x310
[  399.985083]  ? kasan_check_read+0x11/0x20
[  399.989219]  ? _copy_to_user+0xc8/0x110
[  399.993198]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.998718]  ? put_timespec64+0x10f/0x1b0
[  400.002853]  ? nsecs_to_jiffies+0x30/0x30
[  400.006999]  ? trace_hardirqs_off_caller+0x310/0x310
[  400.012103]  ? __x64_sys_bpf+0x73/0xb0
[  400.015976]  ? do_syscall_64+0x1b9/0x820
[  400.020030]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  400.025478]  ? syscall_return_slowpath+0x5e0/0x5e0
[  400.030393]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  400.035315]  ? trace_hardirqs_on_caller+0x310/0x310
[  400.040320]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  400.045324]  ? prepare_exit_to_usermode+0x291/0x3b0
[  400.050429]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  400.055268]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  400.060630] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #181
[  400.060695] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  400.067452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  400.067456] Call Trace:
[  400.067472]  dump_stack+0x244/0x39d
[  400.067491]  ? dump_stack_print_info.cold.1+0x20/0x20
[  400.074000] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  400.083299]  warn_alloc.cold.116+0xb7/0x1bd
[  400.085837] syz-executor0 cpuset=syz0 mems_allowed=0
[  400.089440]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  400.119337]  ? lock_downgrade+0x900/0x900
[  400.123480]  ? trace_hardirqs_off+0xb8/0x310
[  400.127876]  ? trace_hardirqs_off+0xb8/0x310
[  400.132279]  __alloc_pages_slowpath+0x2651/0x2de0
[  400.137129]  ? warn_alloc+0x120/0x120
[  400.140915]  ? print_usage_bug+0xc0/0xc0
[  400.144960]  ? warn_alloc+0x120/0x120
[  400.148758]  ? warn_alloc+0x120/0x120
[  400.152546]  ? print_usage_bug+0xc0/0xc0
[  400.156596]  ? print_usage_bug+0xc0/0xc0
[  400.160644]  ? __lock_acquire+0x62f/0x4c20
[  400.164870]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  400.170396]  ? should_fail+0x22d/0xd01
[  400.174276]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  400.179368]  ? __lock_acquire+0x62f/0x4c20
[  400.183609]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  400.188698]  ? __lock_acquire+0x62f/0x4c20
[  400.192932]  ? should_fail+0x22d/0xd01
[  400.196808]  ? find_held_lock+0x36/0x1c0
[  400.200861]  ? mark_held_locks+0x130/0x130
[  400.205085]  ? mark_held_locks+0x130/0x130
[  400.209320]  ? zap_class+0x640/0x640
[  400.213023]  ? zap_class+0x640/0x640
[  400.216724]  ? print_usage_bug+0xc0/0xc0
[  400.220775]  ? do_raw_spin_unlock+0xa7/0x330
[  400.225176]  ? zap_class+0x640/0x640
[  400.228873]  ? print_usage_bug+0xc0/0xc0
[  400.232916]  ? wq_watchdog_touch+0x9c/0xfe
[  400.237138]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.242660]  ? check_preemption_disabled+0x48/0x280
[  400.247670]  ? __lock_is_held+0xb5/0x140
[  400.251724]  __alloc_pages_nodemask+0xad8/0xea0
[  400.256377]  ? zap_class+0x640/0x640
[  400.260079]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  400.265092]  ? find_held_lock+0x36/0x1c0
[  400.269144]  ? ____cache_alloc_node+0x1c7/0x1e0
[  400.273797]  ? lock_downgrade+0x900/0x900
[  400.277933]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.283458]  cache_grow_begin+0xa5/0x8c0
[  400.287502]  ? do_raw_spin_unlock+0xa7/0x330
[  400.291902]  fallback_alloc+0x204/0x2e0
[  400.295864]  ____cache_alloc_node+0x1c7/0x1e0
[  400.300350]  kmem_cache_alloc_node+0xe3/0x730
[  400.304828]  ? ipv6_get_ifaddr+0x42e/0x620
[  400.309058]  __alloc_skb+0x119/0x770
[  400.312918]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  400.318190]  ? netdev_alloc_frag+0x1f0/0x1f0
[  400.322591]  ? lock_downgrade+0x900/0x900
[  400.326732]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.332255]  ? refcount_sub_and_test_checked+0x203/0x310
[  400.337695]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  400.343138]  ? addrconf_rs_timer+0x690/0x690
[  400.347552]  ndisc_alloc_skb+0x144/0x340
[  400.351601]  ndisc_send_rs+0x331/0x6e0
[  400.355478]  addrconf_rs_timer+0x314/0x690
[  400.359702]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.363928]  call_timer_fn+0x272/0x920
[  400.367799]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.372021]  ? process_timeout+0x40/0x40
[  400.376076]  ? __run_timers+0x7da/0xc70
[  400.380041]  ? _raw_spin_unlock_irq+0x27/0x80
[  400.384539]  ? _raw_spin_unlock_irq+0x27/0x80
[  400.389025]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.393248]  ? lockdep_hardirqs_on+0x296/0x5b0
[  400.397823]  ? trace_hardirqs_on+0xbd/0x310
[  400.402133]  ? kasan_check_read+0x11/0x20
[  400.406272]  ? __run_timers+0x7da/0xc70
[  400.410231]  ? trace_hardirqs_off_caller+0x310/0x310
[  400.415326]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.419551]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.423767]  __run_timers+0x7e5/0xc70
[  400.427563]  ? timer_fixup_init+0x70/0x70
[  400.431693]  ? _raw_spin_unlock_irq+0x27/0x80
[  400.436170]  ? _raw_spin_unlock_irq+0x27/0x80
[  400.440737]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  400.445308]  ? trace_hardirqs_on+0xbd/0x310
[  400.449612]  ? kasan_check_read+0x11/0x20
[  400.453749]  ? finish_task_switch+0x1f4/0x910
[  400.458230]  ? trace_hardirqs_off_caller+0x310/0x310
[  400.463327]  ? compat_start_thread+0x80/0x80
[  400.467737]  ? pvclock_read_flags+0x160/0x160
[  400.472218]  ? __switch_to_asm+0x34/0x70
[  400.476267]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.481962]  ? check_preemption_disabled+0x48/0x280
[  400.486973]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  400.492504]  ? rcu_pm_notify+0xc0/0xc0
[  400.496380]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.501903]  ? check_preemption_disabled+0x48/0x280
[  400.506909]  run_timer_softirq+0x52/0xb0
[  400.510955]  ? rcu_read_lock_sched_held+0x14f/0x180
[  400.515960]  __do_softirq+0x308/0xb7e
[  400.519750]  ? retint_kernel+0x2d/0x2d
[  400.523627]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  400.528719]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  400.534150]  ? rcu_irq_enter+0x18c/0x310
[  400.538204]  ? schedule+0x108/0x460
[  400.541817]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  400.546565]  ? trace_hardirqs_off+0xb8/0x310
[  400.550957]  ? smpboot_thread_fn+0x68b/0xa00
[  400.555352]  ? trace_hardirqs_on+0x310/0x310
[  400.559751]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  400.565271]  ? check_preemption_disabled+0x48/0x280
[  400.570274]  ? takeover_tasklets+0xa90/0xa90
[  400.574668]  run_ksoftirqd+0x5e/0x100
[  400.578451]  smpboot_thread_fn+0x68b/0xa00
[  400.582672]  ? sort_range+0x30/0x30
[  400.586285]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  400.591374]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  400.596899]  ? __kthread_parkme+0xfb/0x1a0
[  400.601121]  ? sort_range+0x30/0x30
[  400.604736]  kthread+0x35a/0x440
[  400.608092]  ? kthread_stop+0x900/0x900
[  400.612055]  ret_from_fork+0x3a/0x50
[  400.615771] CPU: 1 PID: 16176 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #181
[  400.615775] warn_alloc_show_mem: 1 callbacks suppressed
[  400.615780] Mem-Info:
[  400.623120] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  400.623126] Call Trace:
[  400.628481] active_anon:54949 inactive_anon:10067 isolated_anon:0
[  400.628481]  active_file:12 inactive_file:12 isolated_file:0
[  400.628481]  unevictable:0 dirty:0 writeback:0 unstable:0
[  400.628481]  slab_reclaimable:9454 slab_unreclaimable:1442611
[  400.628481]  mapped:40962 shmem:10230 pagetables:596 bounce:0
[  400.628481]  free:13765 free_pcp:525 free_cma:0
[  400.630844]  <IRQ>
[  400.640188] Node 0 active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:40920kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 202752kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  400.642752]  dump_stack+0x244/0x39d
[  400.675940] 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
[  400.678076]  ? dump_stack_print_info.cold.1+0x20/0x20
[  400.705877] lowmem_reserve[]: 0 2818 6321 6321
[  400.709497]  warn_alloc.cold.116+0xb7/0x1bd
[  400.735671] Node 0 DMA32 free:25248kB 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:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  400.740839]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  400.745380] lowmem_reserve[]: 0 0 3503 3503
[  400.749689]  ? lock_downgrade+0x900/0x900
[  400.776980] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2384kB bounce:0kB free_pcp:1852kB local_pcp:1500kB free_cma:0kB
[  400.781807]  ? trace_hardirqs_off+0xb8/0x310
[  400.786089] lowmem_reserve[]: 0 0 0 0
[  400.790221]  ? trace_hardirqs_off+0xb8/0x310
[  400.819508] 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
[  400.823900]  __alloc_pages_slowpath+0x2651/0x2de0
[  400.827663] Node 0 DMA32: 4*4kB (UM) 0*8kB 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB
[  400.832076]  ? warn_alloc+0x120/0x120
[  400.845549] Node 0 Normal: 1308*4kB (ME) 392*8kB (UME) 140*16kB (ME) 47*32kB (ME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  400.850373]  ? print_usage_bug+0xc0/0xc0
[  400.865258] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  400.869033]  ? warn_alloc+0x120/0x120
[  400.883654] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  400.887701]  ? warn_alloc+0x120/0x120
[  400.896501] 10254 total pagecache pages
[  400.900281]  ? print_usage_bug+0xc0/0xc0
[  400.908829] 0 pages in swap cache
[  400.912605]  ? print_usage_bug+0xc0/0xc0
[  400.916546] Swap cache stats: add 0, delete 0, find 0/0
[  400.920584]  ? __lock_acquire+0x62f/0x4c20
[  400.924003] Free swap  = 0kB
[  400.928043]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  400.933458] Total swap = 0kB
[  400.937676]  ? should_fail+0x22d/0xd01
[  400.940659] 1965979 pages RAM
[  400.946172]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  400.949156] 0 pages HighMem/MovableOnly
[  400.953020]  ? __lock_acquire+0x62f/0x4c20
[  400.956103] 342853 pages reserved
[  400.961214]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  400.965155] 0 pages cma reserved
[  400.969366]  ? __lock_acquire+0x62f/0x4c20
[  400.972853] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  400.977863]  ? should_fail+0x22d/0xd01
[  400.977874]  ? find_held_lock+0x36/0x1c0
[  400.977893]  ? mark_held_locks+0x130/0x130
[  400.981297] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  400.985439]  ? mark_held_locks+0x130/0x130
[  400.991895] ksoftirqd/0 cpuset=/ mems_allowed=0
[  400.995767]  ? zap_class+0x640/0x640
[  400.995779]  ? zap_class+0x640/0x640
[  401.030526]  ? print_usage_bug+0xc0/0xc0
[  401.034572]  ? do_raw_spin_unlock+0xa7/0x330
[  401.038975]  ? zap_class+0x640/0x640
[  401.042676]  ? print_usage_bug+0xc0/0xc0
[  401.046726]  ? wq_watchdog_touch+0x9c/0xfe
[  401.050954]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.056480]  ? check_preemption_disabled+0x48/0x280
[  401.061489]  ? __lock_is_held+0xb5/0x140
[  401.065541]  __alloc_pages_nodemask+0xad8/0xea0
[  401.070200]  ? zap_class+0x640/0x640
[  401.073909]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  401.078922]  ? find_held_lock+0x36/0x1c0
[  401.082986]  ? ____cache_alloc_node+0x1c7/0x1e0
[  401.087644]  ? lock_downgrade+0x900/0x900
[  401.091784]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.097312]  cache_grow_begin+0xa5/0x8c0
[  401.101361]  ? do_raw_spin_unlock+0xa7/0x330
[  401.105854]  fallback_alloc+0x204/0x2e0
[  401.109826]  ____cache_alloc_node+0x1c7/0x1e0
[  401.114315]  kmem_cache_alloc_node+0xe3/0x730
[  401.118802]  ? ipv6_get_ifaddr+0x42e/0x620
[  401.123124]  __alloc_skb+0x119/0x770
[  401.126825]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  401.132095]  ? netdev_alloc_frag+0x1f0/0x1f0
[  401.136493]  ? lock_downgrade+0x900/0x900
[  401.140637]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.146162]  ? refcount_sub_and_test_checked+0x203/0x310
[  401.151605]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  401.157039]  ? addrconf_rs_timer+0x690/0x690
[  401.161443]  ndisc_alloc_skb+0x144/0x340
[  401.165491]  ndisc_send_rs+0x331/0x6e0
[  401.169366]  addrconf_rs_timer+0x314/0x690
[  401.173591]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.177822]  call_timer_fn+0x272/0x920
[  401.181697]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.186034]  ? process_timeout+0x40/0x40
[  401.190088]  ? __run_timers+0x7da/0xc70
[  401.194054]  ? _raw_spin_unlock_irq+0x27/0x80
[  401.198537]  ? _raw_spin_unlock_irq+0x27/0x80
[  401.203030]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.207253]  ? lockdep_hardirqs_on+0x296/0x5b0
[  401.211822]  ? trace_hardirqs_on+0xbd/0x310
[  401.216139]  ? kasan_check_read+0x11/0x20
[  401.220270]  ? __run_timers+0x7da/0xc70
[  401.224233]  ? trace_hardirqs_off_caller+0x310/0x310
[  401.229324]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.233564]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.237781]  __run_timers+0x7e5/0xc70
[  401.241573]  ? timer_fixup_init+0x70/0x70
[  401.245712]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  401.250713]  ? zap_class+0x640/0x640
[  401.254413]  ? enqueue_hrtimer+0x1a5/0x560
[  401.258633]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  401.263819]  ? find_held_lock+0x36/0x1c0
[  401.267868]  ? zap_class+0x640/0x640
[  401.271576]  ? pvclock_read_flags+0x160/0x160
[  401.276059]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.281583]  ? check_preemption_disabled+0x48/0x280
[  401.286589]  ? __lock_is_held+0xb5/0x140
[  401.290634]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.296154]  ? check_preemption_disabled+0x48/0x280
[  401.301162]  run_timer_softirq+0x52/0xb0
[  401.305210]  ? rcu_read_lock_sched_held+0x14f/0x180
[  401.310220]  __do_softirq+0x308/0xb7e
[  401.314009]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  401.318494]  ? lock_downgrade+0x900/0x900
[  401.322636]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  401.327739]  ? pvclock_read_flags+0x160/0x160
[  401.332231]  ? lapic_next_event+0x5a/0x90
[  401.336376]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.341906]  ? kvm_clock_read+0x18/0x30
[  401.345870]  ? kvm_sched_clock_read+0x9/0x20
[  401.350272]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.355802]  ? check_preemption_disabled+0x48/0x280
[  401.360904]  irq_exit+0x17f/0x1c0
[  401.364362]  smp_apic_timer_interrupt+0x1cb/0x760
[  401.369190]  ? smp_reschedule_interrupt+0x109/0x650
[  401.374198]  ? smp_call_function_single_interrupt+0x650/0x650
[  401.380074]  ? interrupt_entry+0xb5/0xc0
[  401.384126]  ? trace_hardirqs_off_caller+0xbb/0x310
[  401.389136]  ? trace_hardirqs_off_caller+0xbb/0x310
[  401.394144]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  401.398978]  ? trace_hardirqs_on_caller+0x310/0x310
[  401.403983]  ? trace_hardirqs_on_caller+0x310/0x310
[  401.408990]  ? task_prio+0x50/0x50
[  401.412526]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.418055]  ? check_preemption_disabled+0x48/0x280
[  401.423067]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  401.427907]  apic_timer_interrupt+0xf/0x20
[  401.432128]  </IRQ>
[  401.434355] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  401.440231] Code: 3e 7e 0f 85 32 ff ff ff e8 03 6a 3d ff e9 28 ff ff ff e8 4a 99 c2 ff 48 83 3d c2 ed 8e 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 ca 05
[  401.459122] RSP: 0018:ffff888198b071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  401.466816] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  401.474070] RDX: 0000000000000000 RSI: ffff8881bbc289c0 RDI: 0000000000000286
[  401.481451] RBP: ffff888198b07250 R08: ffff8881bbc28140 R09: 0000000000000000
[  401.488705] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800940
[  401.495962] R13: ffff8881da800940 R14: 0000000000000000 R15: 0000000000000286
[  401.503243]  ? save_stack+0xa9/0xd0
[  401.506870]  __kmalloc_node_track_caller+0x3c/0x70
[  401.511787]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  401.516535]  pskb_expand_head+0x230/0x10f0
[  401.520770]  ? memcpy+0x45/0x50
[  401.524039]  ? __copy_skb_header+0x350/0x6b0
[  401.528431]  ? skb_release_data+0x9a0/0x9a0
[  401.532735]  ? __alloc_skb+0x770/0x770
[  401.536612]  ? __lock_is_held+0xb5/0x140
[  401.540670]  ? kasan_check_write+0x14/0x20
[  401.544912]  ? __skb_clone+0x6c7/0xa00
[  401.548797]  ? __copy_skb_header+0x6b0/0x6b0
[  401.553187]  ? kmem_cache_alloc+0x33a/0x730
[  401.557502]  skb_ensure_writable+0x3dd/0x640
[  401.561901]  ? skb_checksum_setup+0xaa0/0xaa0
[  401.566395]  ? check_preemption_disabled+0x48/0x280
[  401.571406]  ? __this_cpu_preempt_check+0x1c/0x20
[  401.576236]  ? __bpf_redirect+0x55b/0xb60
[  401.580389]  bpf_clone_redirect+0x14a/0x490
[  401.584716]  bpf_prog_88483476fbe68a28+0x6f0/0x1000
[  401.589724]  ? __sched_text_start+0x8/0x8
[  401.593874]  ? find_held_lock+0x36/0x1c0
[  401.597936]  ? lock_acquire+0x1ed/0x520
[  401.601897]  ? bpf_test_run+0x3ee/0x7a0
[  401.605861]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.611383]  ? check_preemption_disabled+0x48/0x280
[  401.616396]  ? kasan_check_read+0x11/0x20
[  401.620533]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  401.625797]  ? rcu_softirq_qs+0x20/0x20
[  401.629757]  ? preempt_schedule+0x4d/0x60
[  401.633888]  ? ___preempt_schedule+0x16/0x18
[  401.638292]  ? bpf_test_run+0x271/0x7a0
[  401.642263]  ? netlink_diag_dump+0x2a0/0x2a0
[  401.646682]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  401.652214]  ? bpf_test_init.isra.10+0x70/0x100
[  401.656878]  ? bpf_prog_test_run_skb+0x762/0xd90
[  401.661630]  ? bpf_test_finish.isra.9+0x260/0x260
[  401.666466]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  401.671989]  ? fput+0x130/0x1a0
[  401.675256]  ? __bpf_prog_get+0x9b/0x290
[  401.679306]  ? bpf_test_finish.isra.9+0x260/0x260
[  401.684147]  ? __do_sys_bpf+0x1898/0x4570
[  401.688282]  ? bpf_prog_load+0x1db0/0x1db0
[  401.692523]  ? find_held_lock+0x36/0x1c0
[  401.696581]  ? __might_fault+0x12b/0x1e0
[  401.700629]  ? lock_downgrade+0x900/0x900
[  401.704765]  ? lock_release+0xa00/0xa00
[  401.708741]  ? perf_trace_sched_process_exec+0x860/0x860
[  401.714174]  ? posix_ktime_get_ts+0x15/0x20
[  401.718484]  ? trace_hardirqs_off_caller+0x310/0x310
[  401.723603]  ? kasan_check_read+0x11/0x20
[  401.727740]  ? _copy_to_user+0xc8/0x110
[  401.731705]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  401.737243]  ? put_timespec64+0x10f/0x1b0
[  401.741382]  ? nsecs_to_jiffies+0x30/0x30
[  401.745529]  ? trace_hardirqs_off_caller+0x310/0x310
[  401.750625]  ? __x64_sys_bpf+0x73/0xb0
[  401.754499]  ? do_syscall_64+0x1b9/0x820
[  401.758542]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  401.763892]  ? syscall_return_slowpath+0x5e0/0x5e0
[  401.768812]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  401.773640]  ? trace_hardirqs_on_caller+0x310/0x310
[  401.778644]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  401.783647]  ? prepare_exit_to_usermode+0x291/0x3b0
[  401.788661]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  401.793497]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  401.798863] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #181
[  401.798935] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  401.805693] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  401.805697] Call Trace:
[  401.805714]  dump_stack+0x244/0x39d
[  401.805731]  ? dump_stack_print_info.cold.1+0x20/0x20
[  401.812798] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  401.821526]  warn_alloc.cold.116+0xb7/0x1bd
[  401.821541]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  401.824164] syz-executor0 cpuset=syz0 mems_allowed=0
[  401.827773]  ? lock_downgrade+0x900/0x900
[  401.827793]  ? trace_hardirqs_off+0xb8/0x310
[  401.866166]  ? trace_hardirqs_off+0xb8/0x310
[  401.870568]  __alloc_pages_slowpath+0x2651/0x2de0
[  401.875420]  ? warn_alloc+0x120/0x120
[  401.879209]  ? print_usage_bug+0xc0/0xc0
[  401.883258]  ? warn_alloc+0x120/0x120
[  401.887065]  ? warn_alloc+0x120/0x120
[  401.890858]  ? print_usage_bug+0xc0/0xc0
[  401.894919]  ? print_usage_bug+0xc0/0xc0
[  401.898968]  ? __lock_acquire+0x62f/0x4c20
[  401.903198]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  401.908723]  ? should_fail+0x22d/0xd01
[  401.912599]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  401.917691]  ? __lock_acquire+0x62f/0x4c20
[  401.921926]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  401.927021]  ? __lock_acquire+0x62f/0x4c20
[  401.931238]  ? should_fail+0x22d/0xd01
[  401.935110]  ? find_held_lock+0x36/0x1c0
[  401.939199]  ? mark_held_locks+0x130/0x130
[  401.943426]  ? mark_held_locks+0x130/0x130
[  401.947652]  ? zap_class+0x640/0x640
[  401.951360]  ? zap_class+0x640/0x640
[  401.955061]  ? print_usage_bug+0xc0/0xc0
[  401.959110]  ? do_raw_spin_unlock+0xa7/0x330
[  401.963507]  ? zap_class+0x640/0x640
[  401.967206]  ? print_usage_bug+0xc0/0xc0
[  401.971255]  ? wq_watchdog_touch+0x9c/0xfe
[  401.975481]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.981010]  ? check_preemption_disabled+0x48/0x280
[  401.986017]  ? __lock_is_held+0xb5/0x140
[  401.990162]  __alloc_pages_nodemask+0xad8/0xea0
[  401.994819]  ? zap_class+0x640/0x640
[  401.998525]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  402.003537]  ? find_held_lock+0x36/0x1c0
[  402.007593]  ? ____cache_alloc_node+0x1c7/0x1e0
[  402.012249]  ? lock_downgrade+0x900/0x900
[  402.016389]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.021924]  cache_grow_begin+0xa5/0x8c0
[  402.025972]  ? do_raw_spin_unlock+0xa7/0x330
[  402.030373]  fallback_alloc+0x204/0x2e0
[  402.034339]  ____cache_alloc_node+0x1c7/0x1e0
[  402.038822]  kmem_cache_alloc_node+0xe3/0x730
[  402.043306]  ? ipv6_get_ifaddr+0x42e/0x620
[  402.047540]  __alloc_skb+0x119/0x770
[  402.051242]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  402.056504]  ? netdev_alloc_frag+0x1f0/0x1f0
[  402.060903]  ? lock_downgrade+0x900/0x900
[  402.065046]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.070565]  ? refcount_sub_and_test_checked+0x203/0x310
[  402.076005]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  402.081440]  ? addrconf_rs_timer+0x690/0x690
[  402.085842]  ndisc_alloc_skb+0x144/0x340
[  402.089896]  ndisc_send_rs+0x331/0x6e0
[  402.093776]  addrconf_rs_timer+0x314/0x690
[  402.098003]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.102230]  call_timer_fn+0x272/0x920
[  402.106104]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.110325]  ? process_timeout+0x40/0x40
[  402.114390]  ? __run_timers+0x7da/0xc70
[  402.118352]  ? _raw_spin_unlock_irq+0x27/0x80
[  402.122842]  ? _raw_spin_unlock_irq+0x27/0x80
[  402.127327]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.131547]  ? lockdep_hardirqs_on+0x296/0x5b0
[  402.136115]  ? trace_hardirqs_on+0xbd/0x310
[  402.140428]  ? kasan_check_read+0x11/0x20
[  402.144563]  ? __run_timers+0x7da/0xc70
[  402.148536]  ? trace_hardirqs_off_caller+0x310/0x310
[  402.153627]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.157937]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.162154]  __run_timers+0x7e5/0xc70
[  402.165949]  ? timer_fixup_init+0x70/0x70
[  402.170079]  ? _raw_spin_unlock_irq+0x27/0x80
[  402.174558]  ? _raw_spin_unlock_irq+0x27/0x80
[  402.179039]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  402.183608]  ? trace_hardirqs_on+0xbd/0x310
[  402.187918]  ? kasan_check_read+0x11/0x20
[  402.192053]  ? finish_task_switch+0x1f4/0x910
[  402.196537]  ? trace_hardirqs_off_caller+0x310/0x310
[  402.201626]  ? compat_start_thread+0x80/0x80
[  402.206040]  ? pvclock_read_flags+0x160/0x160
[  402.210521]  ? __switch_to_asm+0x34/0x70
[  402.214565]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.220091]  ? check_preemption_disabled+0x48/0x280
[  402.225100]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  402.230626]  ? rcu_pm_notify+0xc0/0xc0
[  402.234503]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.240028]  ? check_preemption_disabled+0x48/0x280
[  402.245036]  run_timer_softirq+0x52/0xb0
[  402.249086]  ? rcu_read_lock_sched_held+0x14f/0x180
[  402.254086]  __do_softirq+0x308/0xb7e
[  402.257882]  ? retint_kernel+0x2d/0x2d
[  402.261756]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  402.266842]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  402.272278]  ? rcu_irq_enter+0x18c/0x310
[  402.276326]  ? schedule+0x108/0x460
[  402.279940]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  402.284686]  ? trace_hardirqs_off+0xb8/0x310
[  402.289082]  ? smpboot_thread_fn+0x68b/0xa00
[  402.293482]  ? trace_hardirqs_on+0x310/0x310
[  402.297881]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  402.303407]  ? check_preemption_disabled+0x48/0x280
[  402.308414]  ? takeover_tasklets+0xa90/0xa90
[  402.313062]  run_ksoftirqd+0x5e/0x100
[  402.316853]  smpboot_thread_fn+0x68b/0xa00
[  402.321084]  ? sort_range+0x30/0x30
[  402.324698]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  402.329786]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  402.335309]  ? __kthread_parkme+0xfb/0x1a0
[  402.339528]  ? sort_range+0x30/0x30
[  402.343142]  kthread+0x35a/0x440
[  402.346495]  ? kthread_stop+0x900/0x900
[  402.350454]  ret_from_fork+0x3a/0x50
[  402.354166] warn_alloc_show_mem: 1 callbacks suppressed
[  402.354175] CPU: 1 PID: 16176 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #181
[  402.354176] Mem-Info:
[  402.354204] active_anon:54949 inactive_anon:10067 isolated_anon:0
[  402.354204]  active_file:12 inactive_file:12 isolated_file:0
[  402.354204]  unevictable:0 dirty:0 writeback:0 unstable:0
[  402.354204]  slab_reclaimable:9454 slab_unreclaimable:1442611
[  402.354204]  mapped:40962 shmem:10230 pagetables:596 bounce:0
[  402.354204]  free:13765 free_pcp:525 free_cma:0
[  402.359528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  402.359534] Call Trace:
[  402.366894] Node 0 active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:40920kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 202752kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  402.369275]  <IRQ>
[  402.402471] 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
[  402.411825]  dump_stack+0x244/0x39d
[  402.414373] lowmem_reserve[]: 0 2818 6321 6321
[  402.442196]  ? dump_stack_print_info.cold.1+0x20/0x20
[  402.444308] Node 0 DMA32 free:25248kB 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:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  402.470404]  warn_alloc.cold.116+0xb7/0x1bd
[  402.473988] lowmem_reserve[]: 0 0 3503 3503
[  402.478551]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  402.483711] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2384kB bounce:0kB free_pcp:1852kB local_pcp:1500kB free_cma:0kB
[  402.511024]  ? lock_downgrade+0x900/0x900
[  402.515302] lowmem_reserve[]: 0 0 0 0
[  402.519621]  ? trace_hardirqs_off+0xb8/0x310
[  402.524419] 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
[  402.553638]  ? trace_hardirqs_off+0xb8/0x310
[  402.557750] Node 0 DMA32: 4*4kB (UM) 0*8kB 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB
[  402.561531]  ? noop_count+0x40/0x40
[  402.565902] Node 0 Normal: 1308*4kB (ME) 392*8kB (UME) 140*16kB (ME) 47*32kB (ME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  402.579408]  __alloc_pages_slowpath+0x2651/0x2de0
[  402.583782] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  402.598680]  ? check_usage+0x1aa/0x790
[  402.602264] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  402.616888]  ? warn_alloc+0x120/0x120
[  402.621696] 10254 total pagecache pages
[  402.630506]  ? warn_alloc+0x120/0x120
[  402.634368] 0 pages in swap cache
[  402.642915]  ? __bfs+0xb0/0x780
[  402.646684] Swap cache stats: add 0, delete 0, find 0/0
[  402.650633]  ? warn_alloc+0x120/0x120
[  402.654398] Free swap  = 0kB
[  402.657829]  ? print_usage_bug+0xc0/0xc0
[  402.661091] Total swap = 0kB
[  402.666443]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  402.670198] 1965979 pages RAM
[  402.673196]  ? should_fail+0x22d/0xd01
[  402.677216] 0 pages HighMem/MovableOnly
[  402.677222] 342853 pages reserved
[  402.680238]  ? trace_event_raw_event_lock_acquire+0x440/0x440
[  402.685735] 0 pages cma reserved
[  402.685813] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  402.688916]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  402.692883] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  402.696746]  ? __lock_acquire+0x62f/0x4c20
[  402.700166] ksoftirqd/0 cpuset=/ mems_allowed=0
[  402.706034]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  402.745230]  ? should_fail+0x22d/0xd01
[  402.749119]  ? mark_held_locks+0x130/0x130
[  402.753348]  ? mark_held_locks+0x130/0x130
[  402.757573]  ? zap_class+0x640/0x640
[  402.761274]  ? zap_class+0x640/0x640
[  402.765148]  ? zap_class+0x640/0x640
[  402.768853]  ? trace_event_raw_event_lock_acquire+0x440/0x440
[  402.774726]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.780261]  ? check_preemption_disabled+0x48/0x280
[  402.785268]  ? __lock_is_held+0xb5/0x140
[  402.789317]  __alloc_pages_nodemask+0xad8/0xea0
[  402.793970]  ? zap_class+0x640/0x640
[  402.797676]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  402.802690]  ? find_held_lock+0x36/0x1c0
[  402.806742]  ? ____cache_alloc_node+0x1c7/0x1e0
[  402.811401]  ? lock_downgrade+0x900/0x900
[  402.815550]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.821083]  cache_grow_begin+0xa5/0x8c0
[  402.825130]  ? do_raw_spin_unlock+0xa7/0x330
[  402.829533]  fallback_alloc+0x204/0x2e0
[  402.833507]  ____cache_alloc_node+0x1c7/0x1e0
[  402.837992]  kmem_cache_alloc_node+0xe3/0x730
[  402.842470]  ? mark_held_locks+0xc7/0x130
[  402.846616]  __alloc_skb+0x119/0x770
[  402.850322]  ? netdev_alloc_frag+0x1f0/0x1f0
[  402.854714]  ? do_raw_spin_trylock+0x270/0x270
[  402.859282]  ? kmem_cache_alloc_trace+0x353/0x750
[  402.864111]  ? queue_work_on+0x12c/0x1e0
[  402.868167]  ? switchdev_port_obj_del+0xe3/0x450
[  402.872912]  ? switchdev_trans_item_enqueue+0x260/0x260
[  402.878276]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  402.883294]  __br_mdb_notify+0x4ff/0x15d0
[  402.887429]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  402.892527]  ? __br_mdb_add+0x730/0x730
[  402.896496]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  402.901590]  ? debug_object_assert_init+0x368/0x4b0
[  402.906594]  ? debug_object_init_on_stack+0x20/0x20
[  402.911599]  ? zap_class+0x640/0x640
[  402.915307]  br_mdb_notify+0x310/0x410
[  402.919182]  ? br_mdb_dump+0x25e0/0x25e0
[  402.923241]  br_multicast_del_pg+0x380/0x6d0
[  402.927639]  ? br_mdb_ip_get+0xe00/0xe00
[  402.931684]  ? rwlock_bug.part.2+0x90/0x90
[  402.935915]  ? __lock_is_held+0xb5/0x140
[  402.939969]  br_multicast_port_group_expired+0x189/0x1e0
[  402.945498]  call_timer_fn+0x272/0x920
[  402.949373]  ? br_multicast_del_pg+0x6d0/0x6d0
[  402.953938]  ? process_timeout+0x40/0x40
[  402.957988]  ? __run_timers+0x7da/0xc70
[  402.961949]  ? _raw_spin_unlock_irq+0x27/0x80
[  402.966426]  ? _raw_spin_unlock_irq+0x27/0x80
[  402.970905]  ? br_multicast_del_pg+0x6d0/0x6d0
[  402.975473]  ? lockdep_hardirqs_on+0x296/0x5b0
[  402.980041]  ? trace_hardirqs_on+0xbd/0x310
[  402.984346]  ? kasan_check_read+0x11/0x20
[  402.988477]  ? __run_timers+0x7da/0xc70
[  402.992439]  ? trace_hardirqs_off_caller+0x310/0x310
[  402.997528]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.001748]  ? br_multicast_del_pg+0x6d0/0x6d0
[  403.006314]  __run_timers+0x7e5/0xc70
[  403.010107]  ? timer_fixup_init+0x70/0x70
[  403.014240]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  403.019244]  ? zap_class+0x640/0x640
[  403.022944]  ? enqueue_hrtimer+0x1a5/0x560
[  403.027169]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  403.032350]  ? find_held_lock+0x36/0x1c0
[  403.036404]  ? zap_class+0x640/0x640
[  403.040108]  ? pvclock_read_flags+0x160/0x160
[  403.044596]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.050119]  ? check_preemption_disabled+0x48/0x280
[  403.055127]  ? __lock_is_held+0xb5/0x140
[  403.059175]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.064701]  ? check_preemption_disabled+0x48/0x280
[  403.069703]  run_timer_softirq+0x52/0xb0
[  403.073753]  ? rcu_read_lock_sched_held+0x14f/0x180
[  403.078753]  __do_softirq+0x308/0xb7e
[  403.082543]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  403.087026]  ? lock_downgrade+0x900/0x900
[  403.091162]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  403.096260]  ? pvclock_read_flags+0x160/0x160
[  403.100742]  ? lapic_next_event+0x5a/0x90
[  403.104875]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.110400]  ? kvm_clock_read+0x18/0x30
[  403.114359]  ? kvm_sched_clock_read+0x9/0x20
[  403.118752]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.124278]  ? check_preemption_disabled+0x48/0x280
[  403.129287]  irq_exit+0x17f/0x1c0
[  403.132725]  smp_apic_timer_interrupt+0x1cb/0x760
[  403.137553]  ? smp_reschedule_interrupt+0x109/0x650
[  403.142577]  ? smp_call_function_single_interrupt+0x650/0x650
[  403.148549]  ? interrupt_entry+0xb5/0xc0
[  403.152599]  ? trace_hardirqs_off_caller+0xbb/0x310
[  403.157598]  ? trace_hardirqs_off_caller+0xbb/0x310
[  403.162602]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  403.167428]  ? trace_hardirqs_on_caller+0x310/0x310
[  403.172430]  ? trace_hardirqs_on_caller+0x310/0x310
[  403.177432]  ? task_prio+0x50/0x50
[  403.180961]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.186490]  ? check_preemption_disabled+0x48/0x280
[  403.191497]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  403.196332]  apic_timer_interrupt+0xf/0x20
[  403.200546]  </IRQ>
[  403.202776] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  403.208655] Code: 3e 7e 0f 85 32 ff ff ff e8 03 6a 3d ff e9 28 ff ff ff e8 4a 99 c2 ff 48 83 3d c2 ed 8e 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 ca 05
[  403.227536] RSP: 0018:ffff888198b071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  403.235232] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  403.242483] RDX: 0000000000000000 RSI: ffff8881bbc289c0 RDI: 0000000000000286
[  403.249735] RBP: ffff888198b07250 R08: ffff8881bbc28140 R09: 0000000000000000
[  403.256990] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800940
[  403.264241] R13: ffff8881da800940 R14: 0000000000000000 R15: 0000000000000286
[  403.271517]  ? save_stack+0xa9/0xd0
[  403.275138]  __kmalloc_node_track_caller+0x3c/0x70
[  403.280123]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  403.284965]  pskb_expand_head+0x230/0x10f0
[  403.289277]  ? memcpy+0x45/0x50
[  403.292544]  ? __copy_skb_header+0x350/0x6b0
[  403.296956]  ? skb_release_data+0x9a0/0x9a0
[  403.301261]  ? __alloc_skb+0x770/0x770
[  403.305139]  ? __lock_is_held+0xb5/0x140
[  403.309189]  ? kasan_check_write+0x14/0x20
[  403.313407]  ? __skb_clone+0x6c7/0xa00
[  403.317283]  ? __copy_skb_header+0x6b0/0x6b0
[  403.321673]  ? kmem_cache_alloc+0x33a/0x730
[  403.325989]  skb_ensure_writable+0x3dd/0x640
[  403.330383]  ? skb_checksum_setup+0xaa0/0xaa0
[  403.334871]  ? check_preemption_disabled+0x48/0x280
[  403.339880]  ? __this_cpu_preempt_check+0x1c/0x20
[  403.344707]  ? __bpf_redirect+0x55b/0xb60
[  403.348844]  bpf_clone_redirect+0x14a/0x490
[  403.353161]  bpf_prog_88483476fbe68a28+0x6f0/0x1000
[  403.358171]  ? __sched_text_start+0x8/0x8
[  403.362316]  ? find_held_lock+0x36/0x1c0
[  403.366468]  ? lock_acquire+0x1ed/0x520
[  403.370426]  ? bpf_test_run+0x3ee/0x7a0
[  403.374386]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.379909]  ? check_preemption_disabled+0x48/0x280
[  403.384914]  ? kasan_check_read+0x11/0x20
[  403.389051]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  403.394310]  ? rcu_softirq_qs+0x20/0x20
[  403.398271]  ? preempt_schedule+0x4d/0x60
[  403.402405]  ? ___preempt_schedule+0x16/0x18
[  403.406810]  ? bpf_test_run+0x271/0x7a0
[  403.410777]  ? netlink_diag_dump+0x2a0/0x2a0
[  403.415187]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  403.420713]  ? bpf_test_init.isra.10+0x70/0x100
[  403.425375]  ? bpf_prog_test_run_skb+0x762/0xd90
[  403.430127]  ? bpf_test_finish.isra.9+0x260/0x260
[  403.434959]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  403.440482]  ? fput+0x130/0x1a0
[  403.443753]  ? __bpf_prog_get+0x9b/0x290
[  403.447808]  ? bpf_test_finish.isra.9+0x260/0x260
[  403.452636]  ? __do_sys_bpf+0x1898/0x4570
[  403.456775]  ? bpf_prog_load+0x1db0/0x1db0
[  403.461001]  ? find_held_lock+0x36/0x1c0
[  403.465062]  ? __might_fault+0x12b/0x1e0
[  403.469115]  ? lock_downgrade+0x900/0x900
[  403.473251]  ? lock_release+0xa00/0xa00
[  403.477211]  ? perf_trace_sched_process_exec+0x860/0x860
[  403.482642]  ? posix_ktime_get_ts+0x15/0x20
[  403.486947]  ? trace_hardirqs_off_caller+0x310/0x310
[  403.492049]  ? kasan_check_read+0x11/0x20
[  403.496183]  ? _copy_to_user+0xc8/0x110
[  403.500143]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  403.505669]  ? put_timespec64+0x10f/0x1b0
[  403.509804]  ? nsecs_to_jiffies+0x30/0x30
[  403.513949]  ? trace_hardirqs_off_caller+0x310/0x310
[  403.519039]  ? __x64_sys_bpf+0x73/0xb0
[  403.522915]  ? do_syscall_64+0x1b9/0x820
[  403.526962]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  403.532309]  ? syscall_return_slowpath+0x5e0/0x5e0
[  403.537224]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  403.542051]  ? trace_hardirqs_on_caller+0x310/0x310
[  403.547056]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  403.552062]  ? prepare_exit_to_usermode+0x291/0x3b0
[  403.557071]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  403.561907]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  403.567273] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #181
[  403.567999] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  403.574105] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  403.584559] syz-executor0 cpuset=syz0 mems_allowed=0
[  403.593887] Call Trace:
[  403.601527]  dump_stack+0x244/0x39d
[  403.605148]  ? dump_stack_print_info.cold.1+0x20/0x20
[  403.610335]  warn_alloc.cold.116+0xb7/0x1bd
[  403.614645]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  403.619479]  ? lock_downgrade+0x900/0x900
[  403.623621]  ? trace_hardirqs_off+0xb8/0x310
[  403.628017]  ? trace_hardirqs_off+0xb8/0x310
[  403.632426]  __alloc_pages_slowpath+0x2651/0x2de0
[  403.637277]  ? warn_alloc+0x120/0x120
[  403.641062]  ? print_usage_bug+0xc0/0xc0
[  403.645108]  ? warn_alloc+0x120/0x120
[  403.648899]  ? warn_alloc+0x120/0x120
[  403.652691]  ? print_usage_bug+0xc0/0xc0
[  403.656776]  ? print_usage_bug+0xc0/0xc0
[  403.660828]  ? __lock_acquire+0x62f/0x4c20
[  403.665056]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  403.670580]  ? should_fail+0x22d/0xd01
[  403.674475]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  403.679566]  ? __lock_acquire+0x62f/0x4c20
[  403.683793]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  403.688880]  ? __lock_acquire+0x62f/0x4c20
[  403.693099]  ? should_fail+0x22d/0xd01
[  403.696973]  ? find_held_lock+0x36/0x1c0
[  403.701034]  ? mark_held_locks+0x130/0x130
[  403.705255]  ? mark_held_locks+0x130/0x130
[  403.709475]  ? zap_class+0x640/0x640
[  403.713177]  ? zap_class+0x640/0x640
[  403.716881]  ? print_usage_bug+0xc0/0xc0
[  403.720924]  ? do_raw_spin_unlock+0xa7/0x330
[  403.725317]  ? zap_class+0x640/0x640
[  403.729021]  ? print_usage_bug+0xc0/0xc0
[  403.733070]  ? wq_watchdog_touch+0x9c/0xfe
[  403.737310]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.742834]  ? check_preemption_disabled+0x48/0x280
[  403.747843]  ? __lock_is_held+0xb5/0x140
[  403.751896]  __alloc_pages_nodemask+0xad8/0xea0
[  403.756556]  ? zap_class+0x640/0x640
[  403.760261]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  403.765270]  ? find_held_lock+0x36/0x1c0
[  403.769439]  ? ____cache_alloc_node+0x1c7/0x1e0
[  403.774098]  ? lock_downgrade+0x900/0x900
[  403.778240]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.783772]  cache_grow_begin+0xa5/0x8c0
[  403.787822]  ? do_raw_spin_unlock+0xa7/0x330
[  403.792222]  fallback_alloc+0x204/0x2e0
[  403.796185]  ____cache_alloc_node+0x1c7/0x1e0
[  403.800671]  kmem_cache_alloc_node+0xe3/0x730
[  403.805150]  ? ipv6_get_ifaddr+0x42e/0x620
[  403.809381]  __alloc_skb+0x119/0x770
[  403.813085]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  403.818348]  ? netdev_alloc_frag+0x1f0/0x1f0
[  403.822744]  ? lock_downgrade+0x900/0x900
[  403.826893]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.832432]  ? refcount_sub_and_test_checked+0x203/0x310
[  403.837873]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  403.843313]  ? addrconf_rs_timer+0x690/0x690
[  403.847712]  ndisc_alloc_skb+0x144/0x340
[  403.851771]  ndisc_send_rs+0x331/0x6e0
[  403.855658]  addrconf_rs_timer+0x314/0x690
[  403.859899]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.864140]  call_timer_fn+0x272/0x920
[  403.868016]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.872236]  ? process_timeout+0x40/0x40
[  403.876292]  ? __run_timers+0x7da/0xc70
[  403.880250]  ? _raw_spin_unlock_irq+0x27/0x80
[  403.884731]  ? _raw_spin_unlock_irq+0x27/0x80
[  403.889214]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.893434]  ? lockdep_hardirqs_on+0x296/0x5b0
[  403.898000]  ? trace_hardirqs_on+0xbd/0x310
[  403.902311]  ? kasan_check_read+0x11/0x20
[  403.906441]  ? __run_timers+0x7da/0xc70
[  403.910413]  ? trace_hardirqs_off_caller+0x310/0x310
[  403.915507]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.919739]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.923965]  __run_timers+0x7e5/0xc70
[  403.927764]  ? timer_fixup_init+0x70/0x70
[  403.931907]  ? _raw_spin_unlock_irq+0x27/0x80
[  403.936391]  ? _raw_spin_unlock_irq+0x27/0x80
[  403.940881]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  403.945449]  ? trace_hardirqs_on+0xbd/0x310
[  403.949760]  ? kasan_check_read+0x11/0x20
[  403.953897]  ? finish_task_switch+0x1f4/0x910
[  403.958384]  ? trace_hardirqs_off_caller+0x310/0x310
[  403.963488]  ? compat_start_thread+0x80/0x80
[  403.967897]  ? pvclock_read_flags+0x160/0x160
[  403.972374]  ? __switch_to_asm+0x34/0x70
[  403.976423]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.981949]  ? check_preemption_disabled+0x48/0x280
[  403.986954]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  403.992477]  ? rcu_pm_notify+0xc0/0xc0
[  403.996354]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.002008]  ? check_preemption_disabled+0x48/0x280
[  404.007022]  run_timer_softirq+0x52/0xb0
[  404.011070]  ? rcu_read_lock_sched_held+0x14f/0x180
[  404.016075]  __do_softirq+0x308/0xb7e
[  404.019865]  ? retint_kernel+0x2d/0x2d
[  404.023749]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  404.028838]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  404.034271]  ? rcu_irq_enter+0x18c/0x310
[  404.038338]  ? schedule+0x108/0x460
[  404.041959]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  404.046709]  ? trace_hardirqs_off+0xb8/0x310
[  404.051112]  ? smpboot_thread_fn+0x68b/0xa00
[  404.055513]  ? trace_hardirqs_on+0x310/0x310
[  404.059908]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.065428]  ? check_preemption_disabled+0x48/0x280
[  404.070441]  ? takeover_tasklets+0xa90/0xa90
[  404.074836]  run_ksoftirqd+0x5e/0x100
[  404.078623]  smpboot_thread_fn+0x68b/0xa00
[  404.082848]  ? sort_range+0x30/0x30
[  404.086458]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  404.091560]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.097181]  ? __kthread_parkme+0xfb/0x1a0
[  404.101401]  ? sort_range+0x30/0x30
[  404.105017]  kthread+0x35a/0x440
[  404.108368]  ? kthread_stop+0x900/0x900
[  404.112327]  ret_from_fork+0x3a/0x50
[  404.116043] CPU: 1 PID: 16176 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #181
[  404.116047] warn_alloc_show_mem: 1 callbacks suppressed
[  404.116052] Mem-Info:
[  404.123390] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  404.123396] Call Trace:
[  404.128756] active_anon:54949 inactive_anon:10067 isolated_anon:0
[  404.128756]  active_file:12 inactive_file:12 isolated_file:0
[  404.128756]  unevictable:0 dirty:0 writeback:0 unstable:0
[  404.128756]  slab_reclaimable:9454 slab_unreclaimable:1442611
[  404.128756]  mapped:40962 shmem:10230 pagetables:596 bounce:0
[  404.128756]  free:13765 free_pcp:525 free_cma:0
[  404.131126]  <IRQ>
[  404.140588] Node 0 active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:40920kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 202752kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  404.143153]  dump_stack+0x244/0x39d
[  404.176342] 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
[  404.178475]  ? dump_stack_print_info.cold.1+0x20/0x20
[  404.206277] lowmem_reserve[]: 0 2818 6321 6321
[  404.209894]  warn_alloc.cold.116+0xb7/0x1bd
[  404.235958] Node 0 DMA32 free:25248kB 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:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  404.241128]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  404.245670] lowmem_reserve[]: 0 0 3503 3503
[  404.249976]  ? lock_downgrade+0x900/0x900
[  404.277267] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2384kB bounce:0kB free_pcp:1852kB local_pcp:1500kB free_cma:0kB
[  404.282096]  ? trace_hardirqs_off+0xb8/0x310
[  404.286378] lowmem_reserve[]: 0 0 0 0
[  404.290512]  ? trace_hardirqs_off+0xb8/0x310
[  404.319956] 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
[  404.324356]  __alloc_pages_slowpath+0x2651/0x2de0
[  404.328113] Node 0 DMA32: 4*4kB (UM) 0*8kB 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB
[  404.332521]  ? warn_alloc+0x120/0x120
[  404.345989] Node 0 Normal: 1308*4kB (ME) 392*8kB (UME) 140*16kB (ME) 47*32kB (ME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  404.350820]  ? warn_alloc+0x120/0x120
[  404.365699] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  404.369484]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  404.384100] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  404.387872]  ? warn_alloc+0x120/0x120
[  404.396671] 10254 total pagecache pages
[  404.401664]  ? print_usage_bug+0xc0/0xc0
[  404.410206] 0 pages in swap cache
[  404.413988]  ? print_usage_bug+0xc0/0xc0
[  404.417934] Swap cache stats: add 0, delete 0, find 0/0
[  404.421968]  ? check_usage+0x1aa/0x790
[  404.425386] Free swap  = 0kB
[  404.429421]  ? check_usage+0x1aa/0x790
[  404.434759] Total swap = 0kB
[  404.438629]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.441610] 1965979 pages RAM
[  404.445478]  ? should_fail+0x22d/0xd01
[  404.448460] 0 pages HighMem/MovableOnly
[  404.453986]  ? check_usage_forwards+0x3d0/0x3d0
[  404.457052] 342853 pages reserved
[  404.457058] 0 pages cma reserved
[  404.460924]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  404.464947] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  404.469505]  ? __lock_acquire+0x62f/0x4c20
[  404.472989] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  404.476279]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  404.481530] ksoftirqd/0 cpuset=/ mems_allowed=0
[  404.488005]  ? should_fail+0x22d/0xd01
[  404.516088]  ? mark_held_locks+0x130/0x130
[  404.520309]  ? mark_held_locks+0x130/0x130
[  404.524528]  ? print_usage_bug+0xc0/0xc0
[  404.528581]  ? find_held_lock+0x36/0x1c0
[  404.532633]  ? zap_class+0x640/0x640
[  404.536338]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.541860]  ? check_preemption_disabled+0x48/0x280
[  404.546866]  ? __lock_is_held+0xb5/0x140
[  404.550919]  __alloc_pages_nodemask+0xad8/0xea0
[  404.555577]  ? zap_class+0x640/0x640
[  404.559279]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  404.564288]  ? find_held_lock+0x36/0x1c0
[  404.568347]  ? ____cache_alloc_node+0x1c7/0x1e0
[  404.573004]  ? lock_downgrade+0x900/0x900
[  404.577142]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.582666]  cache_grow_begin+0xa5/0x8c0
[  404.586714]  ? do_raw_spin_unlock+0xa7/0x330
[  404.591116]  fallback_alloc+0x204/0x2e0
[  404.595084]  ____cache_alloc_node+0x1c7/0x1e0
[  404.599567]  kmem_cache_alloc_node+0xe3/0x730
[  404.604052]  ? mark_held_locks+0xc7/0x130
[  404.608192]  __alloc_skb+0x119/0x770
[  404.611894]  ? netdev_alloc_frag+0x1f0/0x1f0
[  404.616286]  ? do_raw_spin_trylock+0x270/0x270
[  404.620854]  ? kmem_cache_alloc_trace+0x353/0x750
[  404.625685]  ? queue_work_on+0x12c/0x1e0
[  404.629740]  ? switchdev_port_obj_del+0xe3/0x450
[  404.634481]  ? switchdev_trans_item_enqueue+0x260/0x260
[  404.639839]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  404.644843]  __br_mdb_notify+0x4ff/0x15d0
[  404.648976]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  404.654072]  ? __br_mdb_add+0x730/0x730
[  404.658039]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  404.663129]  ? debug_object_assert_init+0x368/0x4b0
[  404.668132]  ? debug_object_init_on_stack+0x20/0x20
[  404.673132]  ? zap_class+0x640/0x640
[  404.676839]  br_mdb_notify+0x310/0x410
[  404.680720]  ? br_mdb_dump+0x25e0/0x25e0
[  404.684783]  br_multicast_del_pg+0x380/0x6d0
[  404.689183]  ? br_mdb_ip_get+0xe00/0xe00
[  404.693227]  ? rwlock_bug.part.2+0x90/0x90
[  404.697452]  ? __lock_is_held+0xb5/0x140
[  404.701502]  br_multicast_port_group_expired+0x189/0x1e0
[  404.706937]  call_timer_fn+0x272/0x920
[  404.710811]  ? br_multicast_del_pg+0x6d0/0x6d0
[  404.715377]  ? process_timeout+0x40/0x40
[  404.719439]  ? __run_timers+0x7da/0xc70
[  404.723405]  ? _raw_spin_unlock_irq+0x27/0x80
[  404.727884]  ? _raw_spin_unlock_irq+0x27/0x80
[  404.732360]  ? br_multicast_del_pg+0x6d0/0x6d0
[  404.736926]  ? lockdep_hardirqs_on+0x296/0x5b0
[  404.741493]  ? trace_hardirqs_on+0xbd/0x310
[  404.745799]  ? kasan_check_read+0x11/0x20
[  404.749931]  ? __run_timers+0x7da/0xc70
[  404.753890]  ? trace_hardirqs_off_caller+0x310/0x310
[  404.758978]  ? br_multicast_del_pg+0x6d0/0x6d0
[  404.763551]  ? br_multicast_del_pg+0x6d0/0x6d0
[  404.768115]  __run_timers+0x7e5/0xc70
[  404.771909]  ? timer_fixup_init+0x70/0x70
[  404.776045]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  404.781046]  ? zap_class+0x640/0x640
[  404.784747]  ? enqueue_hrtimer+0x1a5/0x560
[  404.788972]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  404.794153]  ? find_held_lock+0x36/0x1c0
[  404.798206]  ? zap_class+0x640/0x640
[  404.801910]  ? pvclock_read_flags+0x160/0x160
[  404.806393]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.811930]  ? check_preemption_disabled+0x48/0x280
[  404.816946]  ? __lock_is_held+0xb5/0x140
[  404.820992]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.826515]  ? check_preemption_disabled+0x48/0x280
[  404.831519]  run_timer_softirq+0x52/0xb0
[  404.835569]  ? rcu_read_lock_sched_held+0x14f/0x180
[  404.840573]  __do_softirq+0x308/0xb7e
[  404.844383]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  404.848867]  ? lock_downgrade+0x900/0x900
[  404.853007]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  404.858103]  ? pvclock_read_flags+0x160/0x160
[  404.862588]  ? lapic_next_event+0x5a/0x90
[  404.866722]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.872251]  ? kvm_clock_read+0x18/0x30
[  404.876209]  ? kvm_sched_clock_read+0x9/0x20
[  404.880602]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.886124]  ? check_preemption_disabled+0x48/0x280
[  404.891149]  irq_exit+0x17f/0x1c0
[  404.894593]  smp_apic_timer_interrupt+0x1cb/0x760
[  404.899420]  ? smp_reschedule_interrupt+0x109/0x650
[  404.904428]  ? smp_call_function_single_interrupt+0x650/0x650
[  404.910305]  ? interrupt_entry+0xb5/0xc0
[  404.914353]  ? trace_hardirqs_off_caller+0xbb/0x310
[  404.919372]  ? trace_hardirqs_off_caller+0xbb/0x310
[  404.924377]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  404.929204]  ? trace_hardirqs_on_caller+0x310/0x310
[  404.934202]  ? trace_hardirqs_on_caller+0x310/0x310
[  404.939205]  ? task_prio+0x50/0x50
[  404.942738]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.948259]  ? check_preemption_disabled+0x48/0x280
[  404.953265]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  404.958097]  apic_timer_interrupt+0xf/0x20
[  404.962311]  </IRQ>
[  404.964540] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  404.970411] Code: 3e 7e 0f 85 32 ff ff ff e8 03 6a 3d ff e9 28 ff ff ff e8 4a 99 c2 ff 48 83 3d c2 ed 8e 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 ca 05
[  404.989299] RSP: 0018:ffff888198b071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  404.996992] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  405.004246] RDX: 0000000000000000 RSI: ffff8881bbc289c0 RDI: 0000000000000286
[  405.011496] RBP: ffff888198b07250 R08: ffff8881bbc28140 R09: 0000000000000000
[  405.018750] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800940
[  405.026030] R13: ffff8881da800940 R14: 0000000000000000 R15: 0000000000000286
[  405.033307]  ? save_stack+0xa9/0xd0
[  405.036932]  __kmalloc_node_track_caller+0x3c/0x70
[  405.041848]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  405.046594]  pskb_expand_head+0x230/0x10f0
[  405.050821]  ? memcpy+0x45/0x50
[  405.054089]  ? __copy_skb_header+0x350/0x6b0
[  405.058483]  ? skb_release_data+0x9a0/0x9a0
[  405.062794]  ? __alloc_skb+0x770/0x770
[  405.066677]  ? __lock_is_held+0xb5/0x140
[  405.070727]  ? kasan_check_write+0x14/0x20
[  405.074950]  ? __skb_clone+0x6c7/0xa00
[  405.078823]  ? __copy_skb_header+0x6b0/0x6b0
[  405.083218]  ? kmem_cache_alloc+0x33a/0x730
[  405.087533]  skb_ensure_writable+0x3dd/0x640
[  405.091927]  ? skb_checksum_setup+0xaa0/0xaa0
[  405.096426]  ? check_preemption_disabled+0x48/0x280
[  405.101438]  ? __this_cpu_preempt_check+0x1c/0x20
[  405.106265]  ? __bpf_redirect+0x55b/0xb60
[  405.110405]  bpf_clone_redirect+0x14a/0x490
[  405.114724]  bpf_prog_88483476fbe68a28+0x6f0/0x1000
[  405.119730]  ? __sched_text_start+0x8/0x8
[  405.123874]  ? find_held_lock+0x36/0x1c0
[  405.127930]  ? lock_acquire+0x1ed/0x520
[  405.131891]  ? bpf_test_run+0x3ee/0x7a0
[  405.135854]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.141380]  ? check_preemption_disabled+0x48/0x280
[  405.146386]  ? kasan_check_read+0x11/0x20
[  405.150518]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  405.155790]  ? rcu_softirq_qs+0x20/0x20
[  405.159755]  ? preempt_schedule+0x4d/0x60
[  405.163888]  ? ___preempt_schedule+0x16/0x18
[  405.168300]  ? bpf_test_run+0x271/0x7a0
[  405.172271]  ? netlink_diag_dump+0x2a0/0x2a0
[  405.176674]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  405.182197]  ? bpf_test_init.isra.10+0x70/0x100
[  405.186860]  ? bpf_prog_test_run_skb+0x762/0xd90
[  405.191625]  ? bpf_test_finish.isra.9+0x260/0x260
[  405.196454]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  405.201974]  ? fput+0x130/0x1a0
[  405.205242]  ? __bpf_prog_get+0x9b/0x290
[  405.209288]  ? bpf_test_finish.isra.9+0x260/0x260
[  405.214112]  ? __do_sys_bpf+0x1898/0x4570
[  405.218249]  ? bpf_prog_load+0x1db0/0x1db0
[  405.222473]  ? find_held_lock+0x36/0x1c0
[  405.226524]  ? __might_fault+0x12b/0x1e0
[  405.230569]  ? lock_downgrade+0x900/0x900
[  405.234708]  ? lock_release+0xa00/0xa00
[  405.238680]  ? perf_trace_sched_process_exec+0x860/0x860
[  405.244116]  ? posix_ktime_get_ts+0x15/0x20
[  405.248440]  ? trace_hardirqs_off_caller+0x310/0x310
[  405.253540]  ? kasan_check_read+0x11/0x20
[  405.257673]  ? _copy_to_user+0xc8/0x110
[  405.261634]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  405.267161]  ? put_timespec64+0x10f/0x1b0
[  405.271381]  ? nsecs_to_jiffies+0x30/0x30
[  405.275526]  ? trace_hardirqs_off_caller+0x310/0x310
[  405.280620]  ? __x64_sys_bpf+0x73/0xb0
[  405.284503]  ? do_syscall_64+0x1b9/0x820
[  405.288546]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  405.293898]  ? syscall_return_slowpath+0x5e0/0x5e0
[  405.298811]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  405.303641]  ? trace_hardirqs_on_caller+0x310/0x310
[  405.308659]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  405.313666]  ? prepare_exit_to_usermode+0x291/0x3b0
[  405.318702]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  405.323547]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  405.328914] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #181
[  405.329062] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  405.335746] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  405.346199] syz-executor0 cpuset=syz0 mems_allowed=0
[  405.355526] Call Trace:
[  405.363245]  dump_stack+0x244/0x39d
[  405.366861]  ? dump_stack_print_info.cold.1+0x20/0x20
[  405.372045]  warn_alloc.cold.116+0xb7/0x1bd
[  405.376352]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  405.381188]  ? lock_downgrade+0x900/0x900
[  405.385330]  ? trace_hardirqs_off+0xb8/0x310
[  405.389728]  ? trace_hardirqs_off+0xb8/0x310
[  405.394129]  __alloc_pages_slowpath+0x2651/0x2de0
[  405.398977]  ? warn_alloc+0x120/0x120
[  405.402771]  ? print_usage_bug+0xc0/0xc0
[  405.406823]  ? warn_alloc+0x120/0x120
[  405.410616]  ? warn_alloc+0x120/0x120
[  405.414410]  ? print_usage_bug+0xc0/0xc0
[  405.418461]  ? print_usage_bug+0xc0/0xc0
[  405.422512]  ? __lock_acquire+0x62f/0x4c20
[  405.426737]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  405.432259]  ? should_fail+0x22d/0xd01
[  405.436137]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  405.441230]  ? __lock_acquire+0x62f/0x4c20
[  405.445454]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  405.450545]  ? __lock_acquire+0x62f/0x4c20
[  405.454771]  ? should_fail+0x22d/0xd01
[  405.458651]  ? find_held_lock+0x36/0x1c0
[  405.462709]  ? mark_held_locks+0x130/0x130
[  405.466943]  ? mark_held_locks+0x130/0x130
[  405.471162]  ? zap_class+0x640/0x640
[  405.474861]  ? zap_class+0x640/0x640
[  405.478569]  ? print_usage_bug+0xc0/0xc0
[  405.482612]  ? do_raw_spin_unlock+0xa7/0x330
[  405.487011]  ? zap_class+0x640/0x640
[  405.490711]  ? print_usage_bug+0xc0/0xc0
[  405.494761]  ? wq_watchdog_touch+0x9c/0xfe
[  405.498987]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.504511]  ? check_preemption_disabled+0x48/0x280
[  405.509519]  ? __lock_is_held+0xb5/0x140
[  405.513576]  __alloc_pages_nodemask+0xad8/0xea0
[  405.518229]  ? zap_class+0x640/0x640
[  405.521932]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  405.526942]  ? find_held_lock+0x36/0x1c0
[  405.531004]  ? ____cache_alloc_node+0x1c7/0x1e0
[  405.535661]  ? lock_downgrade+0x900/0x900
[  405.539802]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.545331]  cache_grow_begin+0xa5/0x8c0
[  405.549380]  ? do_raw_spin_unlock+0xa7/0x330
[  405.553779]  fallback_alloc+0x204/0x2e0
[  405.557759]  ____cache_alloc_node+0x1c7/0x1e0
[  405.562246]  kmem_cache_alloc_node+0xe3/0x730
[  405.566726]  ? ipv6_get_ifaddr+0x42e/0x620
[  405.570966]  __alloc_skb+0x119/0x770
[  405.574676]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  405.579948]  ? netdev_alloc_frag+0x1f0/0x1f0
[  405.584348]  ? lock_downgrade+0x900/0x900
[  405.588487]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.594011]  ? refcount_sub_and_test_checked+0x203/0x310
[  405.599449]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  405.604891]  ? addrconf_rs_timer+0x690/0x690
[  405.609305]  ndisc_alloc_skb+0x144/0x340
[  405.613355]  ndisc_send_rs+0x331/0x6e0
[  405.617242]  addrconf_rs_timer+0x314/0x690
[  405.621469]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  405.625698]  call_timer_fn+0x272/0x920
[  405.629574]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  405.633792]  ? process_timeout+0x40/0x40
[  405.637848]  ? __run_timers+0x7da/0xc70
[  405.641812]  ? _raw_spin_unlock_irq+0x27/0x80
[  405.646292]  ? _raw_spin_unlock_irq+0x27/0x80
[  405.650770]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  405.654993]  ? lockdep_hardirqs_on+0x296/0x5b0
[  405.659563]  ? trace_hardirqs_on+0xbd/0x310
[  405.663868]  ? kasan_check_read+0x11/0x20
[  405.668003]  ? __run_timers+0x7da/0xc70
[  405.671962]  ? trace_hardirqs_off_caller+0x310/0x310
[  405.677056]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  405.681283]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  405.685501]  __run_timers+0x7e5/0xc70
[  405.689297]  ? timer_fixup_init+0x70/0x70
[  405.693433]  ? _raw_spin_unlock_irq+0x27/0x80
[  405.697932]  ? _raw_spin_unlock_irq+0x27/0x80
[  405.702417]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  405.706989]  ? trace_hardirqs_on+0xbd/0x310
[  405.711298]  ? kasan_check_read+0x11/0x20
[  405.715436]  ? finish_task_switch+0x1f4/0x910
[  405.719917]  ? trace_hardirqs_off_caller+0x310/0x310
[  405.725007]  ? compat_start_thread+0x80/0x80
[  405.729414]  ? pvclock_read_flags+0x160/0x160
[  405.733895]  ? __switch_to_asm+0x34/0x70
[  405.737942]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.743478]  ? check_preemption_disabled+0x48/0x280
[  405.748491]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  405.754022]  ? rcu_pm_notify+0xc0/0xc0
[  405.757896]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.763419]  ? check_preemption_disabled+0x48/0x280
[  405.768427]  run_timer_softirq+0x52/0xb0
[  405.772474]  ? rcu_read_lock_sched_held+0x14f/0x180
[  405.777487]  __do_softirq+0x308/0xb7e
[  405.781295]  ? retint_kernel+0x2d/0x2d
[  405.785173]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  405.790259]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  405.795695]  ? rcu_irq_enter+0x18c/0x310
[  405.799747]  ? schedule+0x108/0x460
[  405.803360]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  405.808110]  ? trace_hardirqs_off+0xb8/0x310
[  405.812509]  ? smpboot_thread_fn+0x68b/0xa00
[  405.816902]  ? trace_hardirqs_on+0x310/0x310
[  405.821302]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  405.826839]  ? check_preemption_disabled+0x48/0x280
[  405.831843]  ? takeover_tasklets+0xa90/0xa90
[  405.836241]  run_ksoftirqd+0x5e/0x100
[  405.840029]  smpboot_thread_fn+0x68b/0xa00
[  405.844254]  ? sort_range+0x30/0x30
[  405.847872]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  405.852958]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  405.858479]  ? __kthread_parkme+0xfb/0x1a0
[  405.862703]  ? sort_range+0x30/0x30
[  405.866326]  kthread+0x35a/0x440
[  405.869680]  ? kthread_stop+0x900/0x900
[  405.873641]  ret_from_fork+0x3a/0x50
[  405.877364] warn_alloc_show_mem: 1 callbacks suppressed
[  405.877373] Mem-Info:
[  405.877385] CPU: 1 PID: 16176 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #181
[  405.877393] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  405.882745] active_anon:54949 inactive_anon:10067 isolated_anon:0
[  405.882745]  active_file:12 inactive_file:12 isolated_file:0
[  405.882745]  unevictable:0 dirty:0 writeback:0 unstable:0
[  405.882745]  slab_reclaimable:9454 slab_unreclaimable:1442611
[  405.882745]  mapped:40962 shmem:10230 pagetables:596 bounce:0
[  405.882745]  free:13765 free_pcp:525 free_cma:0
[  405.885116] Call Trace:
[  405.892467] Node 0 active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:40920kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 202752kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  405.901794]  <IRQ>
[  405.934991] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  405.937564]  dump_stack+0x244/0x39d
[  405.965372] lowmem_reserve[]: 0 2818 6321 6321
[  405.967509]  ? dump_stack_print_info.cold.1+0x20/0x20
[  405.993701] Node 0 DMA32 free:25248kB 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:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  405.997334]  warn_alloc.cold.116+0xb7/0x1bd
[  406.001869] lowmem_reserve[]: 0 0 3503 3503
[  406.007059]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  406.034348] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2384kB bounce:0kB free_pcp:1852kB local_pcp:1500kB free_cma:0kB
[  406.038655]  ? lock_downgrade+0x900/0x900
[  406.042933] lowmem_reserve[]: 0 0 0 0
[  406.047764]  ? trace_hardirqs_off+0xb8/0x310
[  406.076962] 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
[  406.081098]  ? trace_hardirqs_off+0xb8/0x310
[  406.084878] Node 0 DMA32: 4*4kB (UM) 0*8kB 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB
[  406.089287]  __alloc_pages_slowpath+0x2651/0x2de0
[  406.102864] Node 0 Normal: 1308*4kB (ME) 392*8kB (UME) 140*16kB (ME) 47*32kB (ME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  406.107280]  ? warn_alloc+0x120/0x120
[  406.122146] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  406.126966]  ? warn_alloc+0x120/0x120
[  406.141592] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  406.145371]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  406.154171] 10254 total pagecache pages
[  406.157951]  ? warn_alloc+0x120/0x120
[  406.166496] 0 pages in swap cache
[  406.171485]  ? print_usage_bug+0xc0/0xc0
[  406.175427] Swap cache stats: add 0, delete 0, find 0/0
[  406.179203]  ? print_usage_bug+0xc0/0xc0
[  406.182623] Free swap  = 0kB
[  406.186663]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  406.192000] Total swap = 0kB
[  406.196047]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  406.199029] 1965979 pages RAM
[  406.204199]  ? should_fail+0x22d/0xd01
[  406.207178] 0 pages HighMem/MovableOnly
[  406.207184] 342853 pages reserved
[  406.212716]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  406.215794] 0 pages cma reserved
[  406.219667]  ? __lock_acquire+0x62f/0x4c20
[  406.223704] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  406.227072]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  406.227082]  ? should_fail+0x22d/0xd01
[  406.227102]  ? mark_held_locks+0x130/0x130
[  406.232599] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  406.235516]  ? mark_held_locks+0x130/0x130
[  406.235530]  ? print_usage_bug+0xc0/0xc0
[  406.239871] ksoftirqd/0 cpuset=/ mems_allowed=0
[  406.246349]  ? find_held_lock+0x36/0x1c0
[  406.246365]  ? zap_class+0x640/0x640
[  406.290527]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.296053]  ? check_preemption_disabled+0x48/0x280
[  406.301063]  ? __lock_is_held+0xb5/0x140
[  406.305117]  __alloc_pages_nodemask+0xad8/0xea0
[  406.309771]  ? zap_class+0x640/0x640
[  406.313664]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  406.318684]  ? find_held_lock+0x36/0x1c0
[  406.322744]  ? ____cache_alloc_node+0x1c7/0x1e0
[  406.327403]  ? lock_downgrade+0x900/0x900
[  406.331544]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.337077]  cache_grow_begin+0xa5/0x8c0
[  406.341126]  ? do_raw_spin_unlock+0xa7/0x330
[  406.345530]  fallback_alloc+0x204/0x2e0
[  406.349494]  ____cache_alloc_node+0x1c7/0x1e0
[  406.353979]  kmem_cache_alloc_node+0xe3/0x730
[  406.358460]  ? mark_held_locks+0xc7/0x130
[  406.362608]  __alloc_skb+0x119/0x770
[  406.366313]  ? netdev_alloc_frag+0x1f0/0x1f0
[  406.370707]  ? do_raw_spin_trylock+0x270/0x270
[  406.375276]  ? kmem_cache_alloc_trace+0x353/0x750
[  406.380109]  ? queue_work_on+0x12c/0x1e0
[  406.384160]  ? switchdev_port_obj_del+0xe3/0x450
[  406.388904]  ? switchdev_trans_item_enqueue+0x260/0x260
[  406.394260]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  406.399271]  __br_mdb_notify+0x4ff/0x15d0
[  406.403405]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  406.408504]  ? __br_mdb_add+0x730/0x730
[  406.412475]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  406.417659]  ? debug_object_assert_init+0x368/0x4b0
[  406.422674]  ? debug_object_init_on_stack+0x20/0x20
[  406.427676]  ? zap_class+0x640/0x640
[  406.431386]  br_mdb_notify+0x310/0x410
[  406.435259]  ? br_mdb_dump+0x25e0/0x25e0
[  406.439316]  br_multicast_del_pg+0x380/0x6d0
[  406.443719]  ? br_mdb_ip_get+0xe00/0xe00
[  406.447768]  ? rwlock_bug.part.2+0x90/0x90
[  406.451993]  ? __lock_is_held+0xb5/0x140
[  406.456046]  br_multicast_port_group_expired+0x189/0x1e0
[  406.461485]  call_timer_fn+0x272/0x920
[  406.465378]  ? br_multicast_del_pg+0x6d0/0x6d0
[  406.469973]  ? process_timeout+0x40/0x40
[  406.474025]  ? __run_timers+0x7da/0xc70
[  406.477988]  ? _raw_spin_unlock_irq+0x27/0x80
[  406.482951]  ? _raw_spin_unlock_irq+0x27/0x80
[  406.487435]  ? br_multicast_del_pg+0x6d0/0x6d0
[  406.492022]  ? lockdep_hardirqs_on+0x296/0x5b0
[  406.496603]  ? trace_hardirqs_on+0xbd/0x310
[  406.500919]  ? kasan_check_read+0x11/0x20
[  406.505061]  ? __run_timers+0x7da/0xc70
[  406.509025]  ? trace_hardirqs_off_caller+0x310/0x310
[  406.514122]  ? br_multicast_del_pg+0x6d0/0x6d0
[  406.518708]  ? br_multicast_del_pg+0x6d0/0x6d0
[  406.523273]  __run_timers+0x7e5/0xc70
[  406.527067]  ? timer_fixup_init+0x70/0x70
[  406.531205]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  406.536212]  ? zap_class+0x640/0x640
[  406.539915]  ? enqueue_hrtimer+0x1a5/0x560
[  406.544136]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  406.549325]  ? find_held_lock+0x36/0x1c0
[  406.553378]  ? zap_class+0x640/0x640
[  406.557085]  ? pvclock_read_flags+0x160/0x160
[  406.561576]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.567117]  ? check_preemption_disabled+0x48/0x280
[  406.572127]  ? __lock_is_held+0xb5/0x140
[  406.576179]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.581702]  ? check_preemption_disabled+0x48/0x280
[  406.586708]  run_timer_softirq+0x52/0xb0
[  406.590757]  ? rcu_read_lock_sched_held+0x14f/0x180
[  406.595762]  __do_softirq+0x308/0xb7e
[  406.599559]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  406.604042]  ? lock_downgrade+0x900/0x900
[  406.608179]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  406.613271]  ? pvclock_read_flags+0x160/0x160
[  406.617756]  ? lapic_next_event+0x5a/0x90
[  406.621913]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.627442]  ? kvm_clock_read+0x18/0x30
[  406.631401]  ? kvm_sched_clock_read+0x9/0x20
[  406.635798]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.641325]  ? check_preemption_disabled+0x48/0x280
[  406.646451]  irq_exit+0x17f/0x1c0
[  406.649898]  smp_apic_timer_interrupt+0x1cb/0x760
[  406.654726]  ? smp_reschedule_interrupt+0x109/0x650
[  406.659940]  ? smp_call_function_single_interrupt+0x650/0x650
[  406.665821]  ? interrupt_entry+0xb5/0xc0
[  406.669872]  ? trace_hardirqs_off_caller+0xbb/0x310
[  406.674873]  ? trace_hardirqs_off_caller+0xbb/0x310
[  406.679875]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  406.684707]  ? trace_hardirqs_on_caller+0x310/0x310
[  406.689709]  ? trace_hardirqs_on_caller+0x310/0x310
[  406.694710]  ? task_prio+0x50/0x50
[  406.698240]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.703765]  ? check_preemption_disabled+0x48/0x280
[  406.708770]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  406.713626]  apic_timer_interrupt+0xf/0x20
[  406.717843]  </IRQ>
[  406.720071] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  406.725948] Code: 3e 7e 0f 85 32 ff ff ff e8 03 6a 3d ff e9 28 ff ff ff e8 4a 99 c2 ff 48 83 3d c2 ed 8e 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 ca 05
[  406.744835] RSP: 0018:ffff888198b071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  406.752617] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  406.759869] RDX: 0000000000000000 RSI: ffff8881bbc289c0 RDI: 0000000000000286
[  406.767129] RBP: ffff888198b07250 R08: ffff8881bbc28140 R09: 0000000000000000
[  406.774384] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800940
[  406.781636] R13: ffff8881da800940 R14: 0000000000000000 R15: 0000000000000286
[  406.788913]  ? save_stack+0xa9/0xd0
[  406.792560]  __kmalloc_node_track_caller+0x3c/0x70
[  406.797485]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  406.802231]  pskb_expand_head+0x230/0x10f0
[  406.806454]  ? memcpy+0x45/0x50
[  406.809722]  ? __copy_skb_header+0x350/0x6b0
[  406.814125]  ? skb_release_data+0x9a0/0x9a0
[  406.818431]  ? __alloc_skb+0x770/0x770
[  406.822316]  ? __lock_is_held+0xb5/0x140
[  406.826367]  ? kasan_check_write+0x14/0x20
[  406.830598]  ? __skb_clone+0x6c7/0xa00
[  406.834473]  ? __copy_skb_header+0x6b0/0x6b0
[  406.838864]  ? kmem_cache_alloc+0x33a/0x730
[  406.843182]  skb_ensure_writable+0x3dd/0x640
[  406.847581]  ? skb_checksum_setup+0xaa0/0xaa0
[  406.852063]  ? check_preemption_disabled+0x48/0x280
[  406.857100]  ? __this_cpu_preempt_check+0x1c/0x20
[  406.861930]  ? __bpf_redirect+0x55b/0xb60
[  406.866070]  bpf_clone_redirect+0x14a/0x490
[  406.870382]  bpf_prog_88483476fbe68a28+0x6f0/0x1000
[  406.875387]  ? __sched_text_start+0x8/0x8
[  406.879530]  ? find_held_lock+0x36/0x1c0
[  406.883589]  ? lock_acquire+0x1ed/0x520
[  406.887568]  ? bpf_test_run+0x3ee/0x7a0
[  406.891528]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.897057]  ? check_preemption_disabled+0x48/0x280
[  406.902063]  ? kasan_check_read+0x11/0x20
[  406.906202]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  406.911463]  ? rcu_softirq_qs+0x20/0x20
[  406.915438]  ? preempt_schedule+0x4d/0x60
[  406.919588]  ? ___preempt_schedule+0x16/0x18
[  406.924007]  ? bpf_test_run+0x271/0x7a0
[  406.927977]  ? netlink_diag_dump+0x2a0/0x2a0
[  406.932462]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  406.937990]  ? bpf_test_init.isra.10+0x70/0x100
[  406.942647]  ? bpf_prog_test_run_skb+0x762/0xd90
[  406.947400]  ? bpf_test_finish.isra.9+0x260/0x260
[  406.952234]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  406.957760]  ? fput+0x130/0x1a0
[  406.961039]  ? __bpf_prog_get+0x9b/0x290
[  406.965087]  ? bpf_test_finish.isra.9+0x260/0x260
[  406.969912]  ? __do_sys_bpf+0x1898/0x4570
[  406.974053]  ? bpf_prog_load+0x1db0/0x1db0
[  406.978272]  ? find_held_lock+0x36/0x1c0
[  406.982333]  ? __might_fault+0x12b/0x1e0
[  406.986382]  ? lock_downgrade+0x900/0x900
[  406.990519]  ? lock_release+0xa00/0xa00
[  406.994486]  ? perf_trace_sched_process_exec+0x860/0x860
[  406.999922]  ? posix_ktime_get_ts+0x15/0x20
[  407.004231]  ? trace_hardirqs_off_caller+0x310/0x310
[  407.009337]  ? kasan_check_read+0x11/0x20
[  407.013587]  ? _copy_to_user+0xc8/0x110
[  407.017556]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  407.023078]  ? put_timespec64+0x10f/0x1b0
[  407.027216]  ? nsecs_to_jiffies+0x30/0x30
[  407.031471]  ? trace_hardirqs_off_caller+0x310/0x310
[  407.036563]  ? __x64_sys_bpf+0x73/0xb0
[  407.040438]  ? do_syscall_64+0x1b9/0x820
[  407.044489]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  407.049858]  ? syscall_return_slowpath+0x5e0/0x5e0
[  407.054775]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  407.059606]  ? trace_hardirqs_on_caller+0x310/0x310
[  407.064608]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  407.069611]  ? prepare_exit_to_usermode+0x291/0x3b0
[  407.074628]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  407.079461]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  407.084826] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #181
[  407.084983] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  407.091665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  407.102121] syz-executor0 cpuset=syz0 mems_allowed=0
[  407.111452] Call Trace:
[  407.119099]  dump_stack+0x244/0x39d
[  407.122716]  ? dump_stack_print_info.cold.1+0x20/0x20
[  407.127907]  warn_alloc.cold.116+0xb7/0x1bd
[  407.132218]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  407.137052]  ? lock_downgrade+0x900/0x900
[  407.141193]  ? trace_hardirqs_off+0xb8/0x310
[  407.145591]  ? trace_hardirqs_off+0xb8/0x310
[  407.149990]  __alloc_pages_slowpath+0x2651/0x2de0
[  407.154845]  ? warn_alloc+0x120/0x120
[  407.158640]  ? warn_alloc+0x120/0x120
[  407.162427]  ? print_bfs_bug+0x80/0x80
[  407.166300]  ? warn_alloc+0x120/0x120
[  407.170089]  ? print_usage_bug+0xc0/0xc0
[  407.174137]  ? print_usage_bug+0xc0/0xc0
[  407.178185]  ? mark_held_locks+0x130/0x130
[  407.182410]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  407.187933]  ? should_fail+0x22d/0xd01
[  407.191808]  ? check_usage_forwards+0x3d0/0x3d0
[  407.196463]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  407.201553]  ? __lock_acquire+0x62f/0x4c20
[  407.205779]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  407.210866]  ? should_fail+0x22d/0xd01
[  407.214747]  ? mark_held_locks+0x130/0x130
[  407.218975]  ? mark_held_locks+0x130/0x130
[  407.223196]  ? print_usage_bug+0xc0/0xc0
[  407.227256]  ? zap_class+0x640/0x640
[  407.230961]  ? kasan_check_read+0x11/0x20
[  407.235092]  ? ret_from_fork+0x3a/0x50
[  407.238964]  ? __lock_acquire+0x2aff/0x4c20
[  407.243271]  ? trace_event_raw_event_lock_acquire+0x440/0x440
[  407.249144]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.254671]  ? check_preemption_disabled+0x48/0x280
[  407.259681]  ? __lock_is_held+0xb5/0x140
[  407.263732]  __alloc_pages_nodemask+0xad8/0xea0
[  407.268412]  ? zap_class+0x640/0x640
[  407.272123]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  407.277138]  ? find_held_lock+0x36/0x1c0
[  407.281196]  ? ____cache_alloc_node+0x1c7/0x1e0
[  407.285849]  ? lock_downgrade+0x900/0x900
[  407.289995]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.295529]  cache_grow_begin+0xa5/0x8c0
[  407.299580]  ? do_raw_spin_unlock+0xa7/0x330
[  407.304070]  fallback_alloc+0x204/0x2e0
[  407.308034]  ____cache_alloc_node+0x1c7/0x1e0
[  407.312525]  kmem_cache_alloc_node+0xe3/0x730
[  407.317009]  ? mark_held_locks+0xc7/0x130
[  407.321150]  __alloc_skb+0x119/0x770
[  407.324853]  ? netdev_alloc_frag+0x1f0/0x1f0
[  407.329246]  ? do_raw_spin_trylock+0x270/0x270
[  407.333828]  ? kmem_cache_alloc_trace+0x353/0x750
[  407.338660]  ? queue_work_on+0x12c/0x1e0
[  407.342715]  ? switchdev_port_obj_del+0xe3/0x450
[  407.347458]  ? switchdev_trans_item_enqueue+0x260/0x260
[  407.352809]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  407.357818]  __br_mdb_notify+0x4ff/0x15d0
[  407.361958]  ? __br_mdb_add+0x730/0x730
[  407.365931]  ? __lock_acquire+0x62f/0x4c20
[  407.370250]  ? trace_hardirqs_on+0xbd/0x310
[  407.374560]  ? kasan_check_read+0x11/0x20
[  407.378698]  ? ___ratelimit+0x3b4/0x672
[  407.382671]  ? br_multicast_group_expired+0xaf/0x4b0
[  407.387769]  br_mdb_notify+0x310/0x410
[  407.391647]  ? br_mdb_dump+0x25e0/0x25e0
[  407.395714]  br_multicast_group_expired+0x1eb/0x4b0
[  407.400720]  ? check_preemption_disabled+0x48/0x280
[  407.405730]  ? __rhashtable_remove_fast.constprop.41+0xe20/0xe20
[  407.411872]  ? __lock_is_held+0xb5/0x140
[  407.415931]  call_timer_fn+0x272/0x920
[  407.419802]  ? __rhashtable_remove_fast.constprop.41+0xe20/0xe20
[  407.425930]  ? process_timeout+0x40/0x40
[  407.429992]  ? __run_timers+0x7da/0xc70
[  407.433954]  ? _raw_spin_unlock_irq+0x27/0x80
[  407.438448]  ? _raw_spin_unlock_irq+0x27/0x80
[  407.442928]  ? __rhashtable_remove_fast.constprop.41+0xe20/0xe20
[  407.449070]  ? lockdep_hardirqs_on+0x296/0x5b0
[  407.453640]  ? trace_hardirqs_on+0xbd/0x310
[  407.457947]  ? kasan_check_read+0x11/0x20
[  407.462099]  ? __run_timers+0x7da/0xc70
[  407.466069]  ? trace_hardirqs_off_caller+0x310/0x310
[  407.471167]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  407.475391]  ? __rhashtable_remove_fast.constprop.41+0xe20/0xe20
[  407.481549]  __run_timers+0x7e5/0xc70
[  407.485341]  ? timer_fixup_init+0x70/0x70
[  407.489474]  ? _raw_spin_unlock_irq+0x27/0x80
[  407.493957]  ? _raw_spin_unlock_irq+0x27/0x80
[  407.498437]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  407.503005]  ? trace_hardirqs_on+0xbd/0x310
[  407.507314]  ? kasan_check_read+0x11/0x20
[  407.511447]  ? finish_task_switch+0x1f4/0x910
[  407.515935]  ? trace_hardirqs_off_caller+0x310/0x310
[  407.521021]  ? compat_start_thread+0x80/0x80
[  407.525436]  ? pvclock_read_flags+0x160/0x160
[  407.529921]  ? __switch_to_asm+0x34/0x70
[  407.533969]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.539497]  ? check_preemption_disabled+0x48/0x280
[  407.544514]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  407.550041]  ? rcu_pm_notify+0xc0/0xc0
[  407.553926]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.559448]  ? check_preemption_disabled+0x48/0x280
[  407.564453]  run_timer_softirq+0x52/0xb0
[  407.568506]  ? rcu_read_lock_sched_held+0x14f/0x180
[  407.573514]  __do_softirq+0x308/0xb7e
[  407.577305]  ? retint_kernel+0x2d/0x2d
[  407.581184]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  407.586272]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  407.591705]  ? rcu_irq_enter+0x18c/0x310
[  407.595763]  ? schedule+0x108/0x460
[  407.599377]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  407.604125]  ? trace_hardirqs_off+0xb8/0x310
[  407.608532]  ? smpboot_thread_fn+0x68b/0xa00
[  407.612926]  ? trace_hardirqs_on+0x310/0x310
[  407.617322]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  407.622850]  ? check_preemption_disabled+0x48/0x280
[  407.627862]  ? takeover_tasklets+0xa90/0xa90
[  407.632257]  run_ksoftirqd+0x5e/0x100
[  407.636041]  smpboot_thread_fn+0x68b/0xa00
[  407.640264]  ? sort_range+0x30/0x30
[  407.643880]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  407.648969]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  407.654495]  ? __kthread_parkme+0xfb/0x1a0
[  407.658716]  ? sort_range+0x30/0x30
[  407.662331]  kthread+0x35a/0x440
[  407.665683]  ? kthread_stop+0x900/0x900
[  407.669648]  ret_from_fork+0x3a/0x50
[  407.673361] CPU: 1 PID: 16176 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #181
[  407.673386] warn_alloc_show_mem: 1 callbacks suppressed
[  407.673390] Mem-Info:
[  407.680707] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  407.686058] active_anon:54949 inactive_anon:10067 isolated_anon:0
[  407.686058]  active_file:12 inactive_file:12 isolated_file:0
[  407.686058]  unevictable:0 dirty:0 writeback:0 unstable:0
[  407.686058]  slab_reclaimable:9454 slab_unreclaimable:1442611
[  407.686058]  mapped:40962 shmem:10230 pagetables:596 bounce:0
[  407.686058]  free:13765 free_pcp:525 free_cma:0
[  407.688422] Call Trace:
[  407.697787] Node 0 active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:40920kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 202752kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  407.730969]  <IRQ>
[  407.733524] 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
[  407.761350]  dump_stack+0x244/0x39d
[  407.763497] lowmem_reserve[]: 0 2818 6321 6321
[  407.789604]  ? dump_stack_print_info.cold.1+0x20/0x20
[  407.793194] Node 0 DMA32 free:25248kB 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:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  407.797762]  warn_alloc.cold.116+0xb7/0x1bd
[  407.802917] lowmem_reserve[]: 0 0 3503 3503
[  407.830227]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  407.834508] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2384kB bounce:0kB free_pcp:1852kB local_pcp:1500kB free_cma:0kB
[  407.838814]  ? lock_downgrade+0x900/0x900
[  407.843633] lowmem_reserve[]: 0 0 0 0
[  407.872848]  ? trace_hardirqs_off+0xb8/0x310
[  407.876959] 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
[  407.880744]  ? trace_hardirqs_off+0xb8/0x310
[  407.885117] Node 0 DMA32: 4*4kB (UM) 0*8kB 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB
[  407.898622]  __alloc_pages_slowpath+0x2651/0x2de0
[  407.902996] Node 0 Normal: 1308*4kB (ME) 392*8kB (UME) 140*16kB (ME) 47*32kB (ME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  407.917905]  ? warn_alloc+0x120/0x120
[  407.922700] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  407.937328]  ? warn_alloc+0x120/0x120
[  407.941099] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  407.949909]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  407.953673] 10254 total pagecache pages
[  407.962230]  ? warn_alloc+0x120/0x120
[  407.967254] 0 pages in swap cache
[  407.971203]  ? print_usage_bug+0xc0/0xc0
[  407.974971] Swap cache stats: add 0, delete 0, find 0/0
[  407.978398]  ? print_usage_bug+0xc0/0xc0
[  407.982428] Free swap  = 0kB
[  407.987786]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  407.991816] Total swap = 0kB
[  407.994818]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  407.999970] 1965979 pages RAM
[  408.002969]  ? should_fail+0x22d/0xd01
[  408.008471] 0 pages HighMem/MovableOnly
[  408.011558]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  408.015408] 342853 pages reserved
[  408.015414] 0 pages cma reserved
[  408.019366]  ? __lock_acquire+0x62f/0x4c20
[  408.025194] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  408.027889]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  408.031222] ksoftirqd/0 cpuset=/ mems_allowed=0
[  408.035436]  ? should_fail+0x22d/0xd01
[  408.059483]  ? mark_held_locks+0x130/0x130
[  408.063708]  ? mark_held_locks+0x130/0x130
[  408.067933]  ? print_usage_bug+0xc0/0xc0
[  408.071987]  ? find_held_lock+0x36/0x1c0
[  408.076047]  ? zap_class+0x640/0x640
[  408.079759]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.085285]  ? check_preemption_disabled+0x48/0x280
[  408.090301]  ? __lock_is_held+0xb5/0x140
[  408.094355]  __alloc_pages_nodemask+0xad8/0xea0
[  408.099015]  ? zap_class+0x640/0x640
[  408.102722]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  408.107753]  ? find_held_lock+0x36/0x1c0
[  408.111817]  ? ____cache_alloc_node+0x1c7/0x1e0
[  408.116478]  ? lock_downgrade+0x900/0x900
[  408.120623]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.126155]  cache_grow_begin+0xa5/0x8c0
[  408.130212]  ? do_raw_spin_unlock+0xa7/0x330
[  408.134617]  fallback_alloc+0x204/0x2e0
[  408.138602]  ____cache_alloc_node+0x1c7/0x1e0
[  408.143089]  kmem_cache_alloc_node+0xe3/0x730
[  408.147582]  ? mark_held_locks+0xc7/0x130
[  408.151726]  __alloc_skb+0x119/0x770
[  408.155433]  ? netdev_alloc_frag+0x1f0/0x1f0
[  408.159833]  ? do_raw_spin_trylock+0x270/0x270
[  408.164404]  ? kmem_cache_alloc_trace+0x353/0x750
[  408.169238]  ? queue_work_on+0x12c/0x1e0
[  408.173293]  ? switchdev_port_obj_del+0xe3/0x450
[  408.178035]  ? switchdev_trans_item_enqueue+0x260/0x260
[  408.183393]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  408.188398]  __br_mdb_notify+0x4ff/0x15d0
[  408.192548]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  408.197649]  ? __br_mdb_add+0x730/0x730
[  408.201618]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  408.206717]  ? debug_object_assert_init+0x368/0x4b0
[  408.211725]  ? debug_object_init_on_stack+0x20/0x20
[  408.216730]  ? zap_class+0x640/0x640
[  408.220452]  br_mdb_notify+0x310/0x410
[  408.224340]  ? br_mdb_dump+0x25e0/0x25e0
[  408.228399]  br_multicast_del_pg+0x380/0x6d0
[  408.232796]  ? br_mdb_ip_get+0xe00/0xe00
[  408.236848]  ? rwlock_bug.part.2+0x90/0x90
[  408.241078]  ? __lock_is_held+0xb5/0x140
[  408.245138]  br_multicast_port_group_expired+0x189/0x1e0
[  408.250576]  call_timer_fn+0x272/0x920
[  408.254454]  ? br_multicast_del_pg+0x6d0/0x6d0
[  408.259022]  ? process_timeout+0x40/0x40
[  408.263086]  ? __run_timers+0x7da/0xc70
[  408.267047]  ? _raw_spin_unlock_irq+0x27/0x80
[  408.271529]  ? _raw_spin_unlock_irq+0x27/0x80
[  408.276013]  ? br_multicast_del_pg+0x6d0/0x6d0
[  408.280584]  ? lockdep_hardirqs_on+0x296/0x5b0
[  408.285159]  ? trace_hardirqs_on+0xbd/0x310
[  408.289465]  ? kasan_check_read+0x11/0x20
[  408.293595]  ? __run_timers+0x7da/0xc70
[  408.297556]  ? trace_hardirqs_off_caller+0x310/0x310
[  408.302647]  ? br_multicast_del_pg+0x6d0/0x6d0
[  408.307219]  ? br_multicast_del_pg+0x6d0/0x6d0
[  408.312065]  __run_timers+0x7e5/0xc70
[  408.315864]  ? timer_fixup_init+0x70/0x70
[  408.320019]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  408.325022]  ? zap_class+0x640/0x640
[  408.328727]  ? enqueue_hrtimer+0x1a5/0x560
[  408.332950]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  408.338136]  ? find_held_lock+0x36/0x1c0
[  408.342189]  ? zap_class+0x640/0x640
[  408.345894]  ? pvclock_read_flags+0x160/0x160
[  408.350380]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.355909]  ? check_preemption_disabled+0x48/0x280
[  408.360920]  ? __lock_is_held+0xb5/0x140
[  408.364970]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.370493]  ? check_preemption_disabled+0x48/0x280
[  408.375506]  run_timer_softirq+0x52/0xb0
[  408.379558]  ? rcu_read_lock_sched_held+0x14f/0x180
[  408.384563]  __do_softirq+0x308/0xb7e
[  408.388351]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  408.392852]  ? lock_downgrade+0x900/0x900
[  408.396995]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  408.402093]  ? pvclock_read_flags+0x160/0x160
[  408.406584]  ? lapic_next_event+0x5a/0x90
[  408.410726]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.416255]  ? kvm_clock_read+0x18/0x30
[  408.420217]  ? kvm_sched_clock_read+0x9/0x20
[  408.424618]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.430149]  ? check_preemption_disabled+0x48/0x280
[  408.435167]  irq_exit+0x17f/0x1c0
[  408.438634]  smp_apic_timer_interrupt+0x1cb/0x760
[  408.443464]  ? smp_reschedule_interrupt+0x109/0x650
[  408.448478]  ? smp_call_function_single_interrupt+0x650/0x650
[  408.454368]  ? interrupt_entry+0xb5/0xc0
[  408.458429]  ? trace_hardirqs_off_caller+0xbb/0x310
[  408.463445]  ? trace_hardirqs_off_caller+0xbb/0x310
[  408.468467]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  408.473302]  ? trace_hardirqs_on_caller+0x310/0x310
[  408.478304]  ? trace_hardirqs_on_caller+0x310/0x310
[  408.483841]  ? task_prio+0x50/0x50
[  408.487480]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.493006]  ? check_preemption_disabled+0x48/0x280
[  408.498020]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  408.502859]  apic_timer_interrupt+0xf/0x20
[  408.507085]  </IRQ>
[  408.509313] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  408.515192] Code: 3e 7e 0f 85 32 ff ff ff e8 03 6a 3d ff e9 28 ff ff ff e8 4a 99 c2 ff 48 83 3d c2 ed 8e 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 ca 05
[  408.534081] RSP: 0018:ffff888198b071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  408.541777] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  408.549030] RDX: 0000000000000000 RSI: ffff8881bbc289c0 RDI: 0000000000000286
[  408.556287] RBP: ffff888198b07250 R08: ffff8881bbc28140 R09: 0000000000000000
[  408.563640] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800940
[  408.570894] R13: ffff8881da800940 R14: 0000000000000000 R15: 0000000000000286
[  408.578189]  ? save_stack+0xa9/0xd0
[  408.581812]  __kmalloc_node_track_caller+0x3c/0x70
[  408.586751]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  408.591504]  pskb_expand_head+0x230/0x10f0
[  408.595737]  ? memcpy+0x45/0x50
[  408.599012]  ? __copy_skb_header+0x350/0x6b0
[  408.603415]  ? skb_release_data+0x9a0/0x9a0
[  408.607724]  ? __alloc_skb+0x770/0x770
[  408.611610]  ? __lock_is_held+0xb5/0x140
[  408.615662]  ? kasan_check_write+0x14/0x20
[  408.619885]  ? __skb_clone+0x6c7/0xa00
[  408.623764]  ? __copy_skb_header+0x6b0/0x6b0
[  408.628158]  ? kmem_cache_alloc+0x33a/0x730
[  408.632477]  skb_ensure_writable+0x3dd/0x640
[  408.636888]  ? skb_checksum_setup+0xaa0/0xaa0
[  408.641372]  ? check_preemption_disabled+0x48/0x280
[  408.646378]  ? __this_cpu_preempt_check+0x1c/0x20
[  408.651207]  ? __bpf_redirect+0x55b/0xb60
[  408.655443]  bpf_clone_redirect+0x14a/0x490
[  408.659760]  bpf_prog_88483476fbe68a28+0x6f0/0x1000
[  408.664770]  ? __sched_text_start+0x8/0x8
[  408.668912]  ? find_held_lock+0x36/0x1c0
[  408.672964]  ? lock_acquire+0x1ed/0x520
[  408.676923]  ? bpf_test_run+0x3ee/0x7a0
[  408.680886]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.686414]  ? check_preemption_disabled+0x48/0x280
[  408.691424]  ? kasan_check_read+0x11/0x20
[  408.695559]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  408.700819]  ? rcu_softirq_qs+0x20/0x20
[  408.704791]  ? preempt_schedule+0x4d/0x60
[  408.708945]  ? ___preempt_schedule+0x16/0x18
[  408.713360]  ? bpf_test_run+0x271/0x7a0
[  408.717338]  ? netlink_diag_dump+0x2a0/0x2a0
[  408.721742]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  408.727276]  ? bpf_test_init.isra.10+0x70/0x100
[  408.731941]  ? bpf_prog_test_run_skb+0x762/0xd90
[  408.736700]  ? bpf_test_finish.isra.9+0x260/0x260
[  408.741543]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  408.747093]  ? fput+0x130/0x1a0
[  408.750375]  ? __bpf_prog_get+0x9b/0x290
[  408.754442]  ? bpf_test_finish.isra.9+0x260/0x260
[  408.759280]  ? __do_sys_bpf+0x1898/0x4570
[  408.763435]  ? bpf_prog_load+0x1db0/0x1db0
[  408.767664]  ? find_held_lock+0x36/0x1c0
[  408.771728]  ? __might_fault+0x12b/0x1e0
[  408.776999]  ? lock_downgrade+0x900/0x900
[  408.781135]  ? lock_release+0xa00/0xa00
[  408.785098]  ? perf_trace_sched_process_exec+0x860/0x860
[  408.790534]  ? posix_ktime_get_ts+0x15/0x20
[  408.794847]  ? trace_hardirqs_off_caller+0x310/0x310
[  408.799951]  ? kasan_check_read+0x11/0x20
[  408.804101]  ? _copy_to_user+0xc8/0x110
[  408.808064]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  408.813587]  ? put_timespec64+0x10f/0x1b0
[  408.817722]  ? nsecs_to_jiffies+0x30/0x30
[  408.821866]  ? trace_hardirqs_off_caller+0x310/0x310
[  408.826962]  ? __x64_sys_bpf+0x73/0xb0
[  408.830841]  ? do_syscall_64+0x1b9/0x820
[  408.834886]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  408.840243]  ? syscall_return_slowpath+0x5e0/0x5e0
[  408.845163]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  408.849993]  ? trace_hardirqs_on_caller+0x310/0x310
[  408.855011]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  408.860018]  ? prepare_exit_to_usermode+0x291/0x3b0
[  408.865032]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  408.869875]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  408.875246] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #181
[  408.875421] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  408.882104] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  408.892646] syz-executor0 cpuset=syz0 mems_allowed=0
[  408.901982] Call Trace:
[  408.909640]  dump_stack+0x244/0x39d
[  408.913271]  ? dump_stack_print_info.cold.1+0x20/0x20
[  408.918465]  warn_alloc.cold.116+0xb7/0x1bd
[  408.922784]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  408.927628]  ? lock_downgrade+0x900/0x900
[  408.931781]  ? trace_hardirqs_off+0xb8/0x310
[  408.936188]  ? trace_hardirqs_off+0xb8/0x310
[  408.940596]  __alloc_pages_slowpath+0x2651/0x2de0
[  408.945460]  ? warn_alloc+0x120/0x120
[  408.949355]  ? warn_alloc+0x120/0x120
[  408.953162]  ? warn_alloc+0x120/0x120
[  408.956958]  ? print_usage_bug+0xc0/0xc0
[  408.961016]  ? print_usage_bug+0xc0/0xc0
[  408.965072]  ? print_bfs_bug+0x80/0x80
[  408.968960]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  408.974490]  ? should_fail+0x22d/0xd01
[  408.978377]  ? trace_event_raw_event_lock_acquire+0x440/0x440
[  408.984260]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  408.989349]  ? __lock_acquire+0x62f/0x4c20
[  408.993574]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  408.998668]  ? should_fail+0x22d/0xd01
[  409.002552]  ? mark_held_locks+0x130/0x130
[  409.006775]  ? mark_held_locks+0x130/0x130
[  409.010996]  ? print_usage_bug+0xc0/0xc0
[  409.015049]  ? zap_class+0x640/0x640
[  409.018753]  ? ret_from_fork+0x3a/0x50
[  409.022631]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.028161]  ? check_preemption_disabled+0x48/0x280
[  409.033172]  ? __lock_is_held+0xb5/0x140
[  409.037224]  __alloc_pages_nodemask+0xad8/0xea0
[  409.041877]  ? zap_class+0x640/0x640
[  409.045580]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  409.050605]  ? find_held_lock+0x36/0x1c0
[  409.054669]  ? ____cache_alloc_node+0x1c7/0x1e0
[  409.059326]  ? lock_downgrade+0x900/0x900
[  409.063470]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.068999]  cache_grow_begin+0xa5/0x8c0
[  409.073059]  ? do_raw_spin_unlock+0xa7/0x330
[  409.077461]  fallback_alloc+0x204/0x2e0
[  409.081424]  ____cache_alloc_node+0x1c7/0x1e0
[  409.085911]  kmem_cache_alloc_node+0xe3/0x730
[  409.090402]  ? mark_held_locks+0xc7/0x130
[  409.094549]  __alloc_skb+0x119/0x770
[  409.098255]  ? netdev_alloc_frag+0x1f0/0x1f0
[  409.102654]  ? do_raw_spin_trylock+0x270/0x270
[  409.107221]  ? kmem_cache_alloc_trace+0x353/0x750
[  409.112057]  ? queue_work_on+0x12c/0x1e0
[  409.116105]  ? switchdev_port_obj_del+0xe3/0x450
[  409.120847]  ? switchdev_trans_item_enqueue+0x260/0x260
[  409.126194]  ? mark_held_locks+0x130/0x130
[  409.130422]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  409.135441]  __br_mdb_notify+0x4ff/0x15d0
[  409.139581]  ? __br_mdb_add+0x730/0x730
[  409.143541]  ? __lock_acquire+0x62f/0x4c20
[  409.147760]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.153290]  ? check_preemption_disabled+0x48/0x280
[  409.158306]  ? br_multicast_group_expired+0xaf/0x4b0
[  409.163402]  ? lock_downgrade+0x900/0x900
[  409.167540]  br_mdb_notify+0x310/0x410
[  409.171414]  ? br_mdb_dump+0x25e0/0x25e0
[  409.175474]  br_multicast_group_expired+0x1eb/0x4b0
[  409.180474]  ? check_preemption_disabled+0x48/0x280
[  409.185476]  ? __rhashtable_remove_fast.constprop.41+0xe20/0xe20
[  409.191610]  ? __lock_is_held+0xb5/0x140
[  409.195672]  call_timer_fn+0x272/0x920
[  409.199562]  ? __rhashtable_remove_fast.constprop.41+0xe20/0xe20
[  409.205697]  ? process_timeout+0x40/0x40
[  409.209752]  ? __run_timers+0x7da/0xc70
[  409.213717]  ? _raw_spin_unlock_irq+0x27/0x80
[  409.218207]  ? _raw_spin_unlock_irq+0x27/0x80
[  409.222704]  ? __rhashtable_remove_fast.constprop.41+0xe20/0xe20
[  409.228835]  ? lockdep_hardirqs_on+0x296/0x5b0
[  409.233407]  ? trace_hardirqs_on+0xbd/0x310
[  409.237716]  ? kasan_check_read+0x11/0x20
[  409.241848]  ? __run_timers+0x7da/0xc70
[  409.245813]  ? trace_hardirqs_off_caller+0x310/0x310
[  409.250908]  ? __rhashtable_remove_fast.constprop.41+0xe20/0xe20
[  409.257042]  ? __rhashtable_remove_fast.constprop.41+0xe20/0xe20
[  409.263181]  __run_timers+0x7e5/0xc70
[  409.266983]  ? timer_fixup_init+0x70/0x70
[  409.271115]  ? _raw_spin_unlock_irq+0x27/0x80
[  409.275604]  ? _raw_spin_unlock_irq+0x27/0x80
[  409.280092]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  409.284662]  ? trace_hardirqs_on+0xbd/0x310
[  409.288974]  ? kasan_check_read+0x11/0x20
[  409.293113]  ? finish_task_switch+0x1f4/0x910
[  409.297602]  ? trace_hardirqs_off_caller+0x310/0x310
[  409.302695]  ? compat_start_thread+0x80/0x80
[  409.307109]  ? pvclock_read_flags+0x160/0x160
[  409.311588]  ? __switch_to_asm+0x34/0x70
[  409.315642]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.321166]  ? check_preemption_disabled+0x48/0x280
[  409.326191]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  409.331725]  ? rcu_pm_notify+0xc0/0xc0
[  409.335598]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.341123]  ? check_preemption_disabled+0x48/0x280
[  409.346130]  run_timer_softirq+0x52/0xb0
[  409.350176]  ? rcu_read_lock_sched_held+0x14f/0x180
[  409.355180]  __do_softirq+0x308/0xb7e
[  409.358968]  ? retint_kernel+0x2d/0x2d
[  409.362843]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  409.367938]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  409.373383]  ? rcu_irq_enter+0x18c/0x310
[  409.377434]  ? schedule+0x108/0x460
[  409.381055]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  409.385809]  ? trace_hardirqs_off+0xb8/0x310
[  409.390206]  ? smpboot_thread_fn+0x68b/0xa00
[  409.394604]  ? trace_hardirqs_on+0x310/0x310
[  409.399008]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.404537]  ? check_preemption_disabled+0x48/0x280
[  409.409540]  ? takeover_tasklets+0xa90/0xa90
[  409.413939]  run_ksoftirqd+0x5e/0x100
[  409.417733]  smpboot_thread_fn+0x68b/0xa00
[  409.421960]  ? sort_range+0x30/0x30
[  409.425578]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  409.430685]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.436210]  ? __kthread_parkme+0xfb/0x1a0
[  409.440433]  ? sort_range+0x30/0x30
[  409.444048]  kthread+0x35a/0x440
[  409.447402]  ? kthread_stop+0x900/0x900
[  409.451367]  ret_from_fork+0x3a/0x50
[  409.455097] CPU: 1 PID: 16176 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #181
[  409.455101] warn_alloc_show_mem: 1 callbacks suppressed
[  409.455106] Mem-Info:
[  409.455132] active_anon:54949 inactive_anon:10067 isolated_anon:0
[  409.455132]  active_file:12 inactive_file:12 isolated_file:0
[  409.455132]  unevictable:0 dirty:0 writeback:0 unstable:0
[  409.455132]  slab_reclaimable:9454 slab_unreclaimable:1442611
[  409.455132]  mapped:40962 shmem:10230 pagetables:596 bounce:0
[  409.455132]  free:13765 free_pcp:525 free_cma:0
[  409.462450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  409.462456] Call Trace:
[  409.467813] Node 0 active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:40920kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 202752kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  409.470194]  <IRQ>
[  409.503393] 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
[  409.512740]  dump_stack+0x244/0x39d
[  409.515289] lowmem_reserve[]: 0 2818 6321 6321
[  409.543201]  ? dump_stack_print_info.cold.1+0x20/0x20
[  409.545316] Node 0 DMA32 free:25248kB 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:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  409.571413]  warn_alloc.cold.116+0xb7/0x1bd
[  409.575001] lowmem_reserve[]: 0 0 3503 3503
[  409.579565]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  409.584721] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2384kB bounce:0kB free_pcp:1852kB local_pcp:1500kB free_cma:0kB
[  409.612134]  ? lock_downgrade+0x900/0x900
[  409.616423] lowmem_reserve[]: 0 0 0 0
[  409.620734]  ? trace_hardirqs_off+0xb8/0x310
[  409.625541] 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
[  409.654769]  ? trace_hardirqs_off+0xb8/0x310
[  409.658877] Node 0 DMA32: 4*4kB (UM) 0*8kB 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB
[  409.662689]  __alloc_pages_slowpath+0x2651/0x2de0
[  409.667052] Node 0 Normal: 1308*4kB (ME) 392*8kB (UME) 140*16kB (ME) 47*32kB (ME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  409.680597]  ? warn_alloc+0x120/0x120
[  409.684965] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  409.699852]  ? warn_alloc+0x120/0x120
[  409.704664] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  409.719290]  ? mark_held_locks+0x130/0x130
[  409.723054] 10254 total pagecache pages
[  409.731864]  ? warn_alloc+0x120/0x120
[  409.735637] 0 pages in swap cache
[  409.744186]  ? print_usage_bug+0xc0/0xc0
[  409.748409] Swap cache stats: add 0, delete 0, find 0/0
[  409.748415] Free swap  = 0kB
[  409.752371]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  409.756140] Total swap = 0kB
[  409.759571]  ? print_usage_bug+0xc0/0xc0
[  409.763612] 1965979 pages RAM
[  409.768958]  ? find_held_lock+0x36/0x1c0
[  409.771940] 0 pages HighMem/MovableOnly
[  409.771946] 342853 pages reserved
[  409.777118]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.780100] 0 pages cma reserved
[  409.784141]  ? should_fail+0x22d/0xd01
[  409.787363] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  409.791255]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  409.795197] ksoftirqd/0 cpuset=/ mems_allowed=0
[  409.798632]  ? __lock_acquire+0x62f/0x4c20
[  409.835606]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  409.840695]  ? __lock_acquire+0x62f/0x4c20
[  409.844916]  ? should_fail+0x22d/0xd01
[  409.848788]  ? print_usage_bug+0xc0/0xc0
[  409.852844]  ? mark_held_locks+0x130/0x130
[  409.857074]  ? mark_held_locks+0x130/0x130
[  409.861305]  ? find_held_lock+0x36/0x1c0
[  409.865362]  ? zap_class+0x640/0x640
[  409.869069]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.874604]  ? check_preemption_disabled+0x48/0x280
[  409.879625]  ? __lock_is_held+0xb5/0x140
[  409.883703]  __alloc_pages_nodemask+0xad8/0xea0
[  409.888362]  ? zap_class+0x640/0x640
[  409.892067]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  409.897089]  ? find_held_lock+0x36/0x1c0
[  409.901148]  ? ____cache_alloc_node+0x1c7/0x1e0
[  409.905806]  ? lock_downgrade+0x900/0x900
[  409.909952]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.915484]  cache_grow_begin+0xa5/0x8c0
[  409.919537]  ? do_raw_spin_unlock+0xa7/0x330
[  409.923968]  fallback_alloc+0x204/0x2e0
[  409.927934]  ____cache_alloc_node+0x1c7/0x1e0
[  409.932423]  kmem_cache_alloc_node+0xe3/0x730
[  409.936906]  ? mark_held_locks+0xc7/0x130
[  409.941046]  __alloc_skb+0x119/0x770
[  409.944756]  ? netdev_alloc_frag+0x1f0/0x1f0
[  409.949152]  ? do_raw_spin_trylock+0x270/0x270
[  409.953738]  ? kmem_cache_alloc_trace+0x353/0x750
[  409.958575]  ? queue_work_on+0x12c/0x1e0
[  409.962631]  ? switchdev_port_obj_del+0xe3/0x450
[  409.967377]  ? switchdev_trans_item_enqueue+0x260/0x260
[  409.972752]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  409.977772]  __br_mdb_notify+0x4ff/0x15d0
[  409.981915]  ? __br_mdb_add+0x730/0x730
[  409.986034]  ? br_multicast_group_expired+0xaf/0x4b0
[  409.991135]  br_mdb_notify+0x310/0x410
[  409.995015]  ? br_mdb_dump+0x25e0/0x25e0
[  409.999086]  br_multicast_group_expired+0x1eb/0x4b0
[  410.004115]  ? check_preemption_disabled+0x48/0x280
[  410.009124]  ? __rhashtable_remove_fast.constprop.41+0xe20/0xe20
[  410.015264]  ? __lock_is_held+0xb5/0x140
[  410.019333]  call_timer_fn+0x272/0x920
[  410.023210]  ? __rhashtable_remove_fast.constprop.41+0xe20/0xe20
[  410.029342]  ? process_timeout+0x40/0x40
[  410.033396]  ? __run_timers+0x7da/0xc70
[  410.037378]  ? _raw_spin_unlock_irq+0x27/0x80
[  410.041864]  ? _raw_spin_unlock_irq+0x27/0x80
[  410.046347]  ? __rhashtable_remove_fast.constprop.41+0xe20/0xe20
[  410.052489]  ? lockdep_hardirqs_on+0x296/0x5b0
[  410.057068]  ? trace_hardirqs_on+0xbd/0x310
[  410.061392]  ? kasan_check_read+0x11/0x20
[  410.065531]  ? __run_timers+0x7da/0xc70
[  410.069494]  ? trace_hardirqs_off_caller+0x310/0x310
[  410.074595]  ? br_multicast_del_pg+0x6d0/0x6d0
[  410.079174]  ? __rhashtable_remove_fast.constprop.41+0xe20/0xe20
[  410.085332]  __run_timers+0x7e5/0xc70
[  410.089129]  ? timer_fixup_init+0x70/0x70
[  410.093268]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  410.098271]  ? zap_class+0x640/0x640
[  410.101977]  ? enqueue_hrtimer+0x1a5/0x560
[  410.106213]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  410.111396]  ? find_held_lock+0x36/0x1c0
[  410.115448]  ? zap_class+0x640/0x640
[  410.119154]  ? pvclock_read_flags+0x160/0x160
[  410.123642]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.129175]  ? check_preemption_disabled+0x48/0x280
[  410.134184]  ? __lock_is_held+0xb5/0x140
[  410.138230]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.143752]  ? check_preemption_disabled+0x48/0x280
[  410.148763]  run_timer_softirq+0x52/0xb0
[  410.152829]  ? rcu_read_lock_sched_held+0x14f/0x180
[  410.157831]  __do_softirq+0x308/0xb7e
[  410.161624]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  410.166104]  ? lock_downgrade+0x900/0x900
[  410.170252]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  410.175345]  ? pvclock_read_flags+0x160/0x160
[  410.179831]  ? lapic_next_event+0x5a/0x90
[  410.183969]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.189500]  ? kvm_clock_read+0x18/0x30
[  410.193462]  ? kvm_sched_clock_read+0x9/0x20
[  410.197860]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.203384]  ? check_preemption_disabled+0x48/0x280
[  410.208400]  irq_exit+0x17f/0x1c0
[  410.211853]  smp_apic_timer_interrupt+0x1cb/0x760
[  410.216687]  ? smp_reschedule_interrupt+0x109/0x650
[  410.221692]  ? smp_call_function_single_interrupt+0x650/0x650
[  410.227670]  ? interrupt_entry+0xb5/0xc0
[  410.231721]  ? trace_hardirqs_off_caller+0xbb/0x310
[  410.236737]  ? trace_hardirqs_off_caller+0xbb/0x310
[  410.241746]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  410.246577]  ? trace_hardirqs_on_caller+0x310/0x310
[  410.251582]  ? trace_hardirqs_on_caller+0x310/0x310
[  410.256587]  ? task_prio+0x50/0x50
[  410.260123]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.265662]  ? check_preemption_disabled+0x48/0x280
[  410.270669]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  410.275505]  apic_timer_interrupt+0xf/0x20
[  410.279722]  </IRQ>
[  410.281945] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  410.287816] Code: 3e 7e 0f 85 32 ff ff ff e8 03 6a 3d ff e9 28 ff ff ff e8 4a 99 c2 ff 48 83 3d c2 ed 8e 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 ca 05
[  410.306702] RSP: 0018:ffff888198b071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  410.314550] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  410.321810] RDX: 0000000000000000 RSI: ffff8881bbc289c0 RDI: 0000000000000286
[  410.329069] RBP: ffff888198b07250 R08: ffff8881bbc28140 R09: 0000000000000000
[  410.336328] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800940
[  410.343581] R13: ffff8881da800940 R14: 0000000000000000 R15: 0000000000000286
[  410.350865]  ? save_stack+0xa9/0xd0
[  410.354490]  __kmalloc_node_track_caller+0x3c/0x70
[  410.359410]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  410.364332]  pskb_expand_head+0x230/0x10f0
[  410.368558]  ? memcpy+0x45/0x50
[  410.371827]  ? __copy_skb_header+0x350/0x6b0
[  410.376222]  ? skb_release_data+0x9a0/0x9a0
[  410.380528]  ? __alloc_skb+0x770/0x770
[  410.384421]  ? __lock_is_held+0xb5/0x140
[  410.388475]  ? kasan_check_write+0x14/0x20
[  410.392699]  ? __skb_clone+0x6c7/0xa00
[  410.396580]  ? __copy_skb_header+0x6b0/0x6b0
[  410.400978]  ? kmem_cache_alloc+0x33a/0x730
[  410.405303]  skb_ensure_writable+0x3dd/0x640
[  410.409708]  ? skb_checksum_setup+0xaa0/0xaa0
[  410.414191]  ? check_preemption_disabled+0x48/0x280
[  410.419196]  ? __this_cpu_preempt_check+0x1c/0x20
[  410.424028]  ? __bpf_redirect+0x55b/0xb60
[  410.428173]  bpf_clone_redirect+0x14a/0x490
[  410.432492]  bpf_prog_88483476fbe68a28+0x6f0/0x1000
[  410.437498]  ? __sched_text_start+0x8/0x8
[  410.441645]  ? find_held_lock+0x36/0x1c0
[  410.445699]  ? lock_acquire+0x1ed/0x520
[  410.449664]  ? bpf_test_run+0x3ee/0x7a0
[  410.453632]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.459158]  ? check_preemption_disabled+0x48/0x280
[  410.464184]  ? kasan_check_read+0x11/0x20
[  410.468321]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  410.473584]  ? rcu_softirq_qs+0x20/0x20
[  410.477548]  ? preempt_schedule+0x4d/0x60
[  410.482226]  ? ___preempt_schedule+0x16/0x18
[  410.486629]  ? bpf_test_run+0x271/0x7a0
[  410.490604]  ? netlink_diag_dump+0x2a0/0x2a0
[  410.495003]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  410.500525]  ? bpf_test_init.isra.10+0x70/0x100
[  410.505189]  ? bpf_prog_test_run_skb+0x762/0xd90
[  410.509943]  ? bpf_test_finish.isra.9+0x260/0x260
[  410.514776]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  410.520303]  ? fput+0x130/0x1a0
[  410.523577]  ? __bpf_prog_get+0x9b/0x290
[  410.527638]  ? bpf_test_finish.isra.9+0x260/0x260
[  410.532467]  ? __do_sys_bpf+0x1898/0x4570
[  410.536604]  ? bpf_prog_load+0x1db0/0x1db0
[  410.540827]  ? find_held_lock+0x36/0x1c0
[  410.544885]  ? __might_fault+0x12b/0x1e0
[  410.548931]  ? lock_downgrade+0x900/0x900
[  410.553077]  ? lock_release+0xa00/0xa00
[  410.557043]  ? perf_trace_sched_process_exec+0x860/0x860
[  410.562479]  ? posix_ktime_get_ts+0x15/0x20
[  410.566788]  ? trace_hardirqs_off_caller+0x310/0x310
[  410.571890]  ? kasan_check_read+0x11/0x20
[  410.576038]  ? _copy_to_user+0xc8/0x110
[  410.580006]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  410.585536]  ? put_timespec64+0x10f/0x1b0
[  410.589671]  ? nsecs_to_jiffies+0x30/0x30
[  410.593823]  ? trace_hardirqs_off_caller+0x310/0x310
[  410.598920]  ? __x64_sys_bpf+0x73/0xb0
[  410.602798]  ? do_syscall_64+0x1b9/0x820
[  410.606848]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  410.612213]  ? syscall_return_slowpath+0x5e0/0x5e0
[  410.617132]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  410.621963]  ? trace_hardirqs_on_caller+0x310/0x310
[  410.626967]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  410.631969]  ? prepare_exit_to_usermode+0x291/0x3b0
[  410.637065]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  410.641901]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  410.647270] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #181
[  410.647437] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  410.654107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  410.664561] syz-executor0 cpuset=syz0 mems_allowed=0
[  410.673894] Call Trace:
[  410.681548]  dump_stack+0x244/0x39d
[  410.685172]  ? dump_stack_print_info.cold.1+0x20/0x20
[  410.690362]  warn_alloc.cold.116+0xb7/0x1bd
[  410.694676]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  410.699512]  ? lock_downgrade+0x900/0x900
[  410.703658]  ? trace_hardirqs_off+0xb8/0x310
[  410.708066]  ? trace_hardirqs_off+0xb8/0x310
[  410.712486]  __alloc_pages_slowpath+0x2651/0x2de0
[  410.717339]  ? warn_alloc+0x120/0x120
[  410.721130]  ? warn_alloc+0x120/0x120
[  410.724917]  ? mark_held_locks+0x130/0x130
[  410.729137]  ? warn_alloc+0x120/0x120
[  410.732941]  ? print_usage_bug+0xc0/0xc0
[  410.736990]  ? print_usage_bug+0xc0/0xc0
[  410.741042]  ? print_usage_bug+0xc0/0xc0
[  410.745176]  ? __lock_acquire+0x62f/0x4c20
[  410.749408]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  410.754933]  ? should_fail+0x22d/0xd01
[  410.758805]  ? print_usage_bug+0xc0/0xc0
[  410.762854]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  410.767944]  ? __lock_acquire+0x62f/0x4c20
[  410.772170]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  410.777262]  ? __lock_acquire+0x62f/0x4c20
[  410.781483]  ? should_fail+0x22d/0xd01
[  410.785362]  ? mark_held_locks+0x130/0x130
[  410.789586]  ? mark_held_locks+0x130/0x130
[  410.793810]  ? lock_downgrade+0x900/0x900
[  410.797945]  ? zap_class+0x640/0x640
[  410.801656]  ? print_usage_bug+0xc0/0xc0
[  410.805703]  ? trace_hardirqs_off+0xb8/0x310
[  410.810099]  ? kasan_check_read+0x11/0x20
[  410.814233]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.819762]  ? check_preemption_disabled+0x48/0x280
[  410.824774]  ? __lock_is_held+0xb5/0x140
[  410.828824]  __alloc_pages_nodemask+0xad8/0xea0
[  410.833603]  ? zap_class+0x640/0x640
[  410.837310]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  410.842320]  ? find_held_lock+0x36/0x1c0
[  410.846375]  ? ____cache_alloc_node+0x1c7/0x1e0
[  410.851029]  ? lock_downgrade+0x900/0x900
[  410.855175]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.860700]  cache_grow_begin+0xa5/0x8c0
[  410.864756]  ? do_raw_spin_unlock+0xa7/0x330
[  410.869160]  fallback_alloc+0x204/0x2e0
[  410.873126]  ____cache_alloc_node+0x1c7/0x1e0
[  410.877611]  kmem_cache_alloc_node+0xe3/0x730
[  410.882095]  ? ipv6_get_ifaddr+0x42e/0x620
[  410.886324]  __alloc_skb+0x119/0x770
[  410.890022]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  410.895287]  ? netdev_alloc_frag+0x1f0/0x1f0
[  410.899684]  ? lock_downgrade+0x900/0x900
[  410.903822]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.909341]  ? refcount_sub_and_test_checked+0x203/0x310
[  410.914781]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  410.920220]  ? addrconf_rs_timer+0x690/0x690
[  410.924636]  ndisc_alloc_skb+0x144/0x340
[  410.928687]  ndisc_send_rs+0x331/0x6e0
[  410.932567]  addrconf_rs_timer+0x314/0x690
[  410.936801]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  410.941044]  call_timer_fn+0x272/0x920
[  410.944919]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  410.949142]  ? process_timeout+0x40/0x40
[  410.953196]  ? __run_timers+0x7da/0xc70
[  410.957162]  ? _raw_spin_unlock_irq+0x27/0x80
[  410.961645]  ? _raw_spin_unlock_irq+0x27/0x80
[  410.966130]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  410.970349]  ? lockdep_hardirqs_on+0x296/0x5b0
[  410.974918]  ? trace_hardirqs_on+0xbd/0x310
[  410.979231]  ? kasan_check_read+0x11/0x20
[  410.983369]  ? __run_timers+0x7da/0xc70
[  410.987331]  ? trace_hardirqs_off_caller+0x310/0x310
[  410.992423]  ? __queue_work+0x1440/0x1440
[  410.996568]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.000792]  __run_timers+0x7e5/0xc70
[  411.004587]  ? timer_fixup_init+0x70/0x70
[  411.008745]  ? _raw_spin_unlock_irq+0x27/0x80
[  411.013244]  ? _raw_spin_unlock_irq+0x27/0x80
[  411.017725]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  411.022298]  ? trace_hardirqs_on+0xbd/0x310
[  411.026609]  ? kasan_check_read+0x11/0x20
[  411.030747]  ? finish_task_switch+0x1f4/0x910
[  411.035229]  ? trace_hardirqs_off_caller+0x310/0x310
[  411.040334]  ? compat_start_thread+0x80/0x80
[  411.044744]  ? pvclock_read_flags+0x160/0x160
[  411.049227]  ? __switch_to_asm+0x34/0x70
[  411.053287]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.058811]  ? check_preemption_disabled+0x48/0x280
[  411.063821]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  411.069353]  ? rcu_pm_notify+0xc0/0xc0
[  411.073226]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.078773]  ? check_preemption_disabled+0x48/0x280
[  411.083776]  run_timer_softirq+0x52/0xb0
[  411.087823]  ? rcu_read_lock_sched_held+0x14f/0x180
[  411.092827]  __do_softirq+0x308/0xb7e
[  411.096618]  ? retint_kernel+0x2d/0x2d
[  411.100497]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  411.105585]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  411.111019]  ? rcu_irq_enter+0x18c/0x310
[  411.115070]  ? schedule+0x108/0x460
[  411.118681]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  411.123430]  ? trace_hardirqs_off+0xb8/0x310
[  411.127825]  ? smpboot_thread_fn+0x68b/0xa00
[  411.132221]  ? trace_hardirqs_on+0x310/0x310
[  411.136642]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  411.142170]  ? check_preemption_disabled+0x48/0x280
[  411.147174]  ? takeover_tasklets+0xa90/0xa90
[  411.151572]  run_ksoftirqd+0x5e/0x100
[  411.155360]  smpboot_thread_fn+0x68b/0xa00
[  411.159585]  ? sort_range+0x30/0x30
[  411.163201]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  411.168298]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  411.173821]  ? __kthread_parkme+0xfb/0x1a0
[  411.178041]  ? sort_range+0x30/0x30
[  411.181656]  kthread+0x35a/0x440
[  411.185098]  ? kthread_stop+0x900/0x900
[  411.189061]  ret_from_fork+0x3a/0x50
[  411.192773] CPU: 1 PID: 16176 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #181
[  411.192777] warn_alloc_show_mem: 1 callbacks suppressed
[  411.192782] Mem-Info:
[  411.200133] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  411.205521] active_anon:54949 inactive_anon:10067 isolated_anon:0
[  411.205521]  active_file:12 inactive_file:12 isolated_file:0
[  411.205521]  unevictable:0 dirty:0 writeback:0 unstable:0
[  411.205521]  slab_reclaimable:9454 slab_unreclaimable:1442611
[  411.205521]  mapped:40962 shmem:10230 pagetables:596 bounce:0
[  411.205521]  free:13765 free_pcp:525 free_cma:0
[  411.207879] Call Trace:
[  411.217253] Node 0 active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:40920kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 202752kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  411.250433]  <IRQ>
[  411.253009] 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
[  411.280836]  dump_stack+0x244/0x39d
[  411.282954] lowmem_reserve[]: 0 2818 6321 6321
[  411.309060]  ? dump_stack_print_info.cold.1+0x20/0x20
[  411.312651] Node 0 DMA32 free:25248kB 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:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  411.317232]  warn_alloc.cold.116+0xb7/0x1bd
[  411.322396] lowmem_reserve[]: 0 0 3503 3503
[  411.349930]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  411.354243] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2384kB bounce:0kB free_pcp:1852kB local_pcp:1500kB free_cma:0kB
[  411.358557]  ? lock_downgrade+0x900/0x900
[  411.363361] lowmem_reserve[]: 0 0 0 0
[  411.392597]  ? trace_hardirqs_off+0xb8/0x310
[  411.396709] 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
[  411.400497]  ? trace_hardirqs_off+0xb8/0x310
[  411.404883] Node 0 DMA32: 4*4kB (UM) 0*8kB 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB
[  411.418392]  __alloc_pages_slowpath+0x2651/0x2de0
[  411.422765] Node 0 Normal: 1308*4kB (ME) 392*8kB (UME) 140*16kB (ME) 47*32kB (ME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  411.437679]  ? warn_alloc+0x120/0x120
[  411.442480] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  411.457104]  ? warn_alloc+0x120/0x120
[  411.460872] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  411.469680]  ? mark_held_locks+0x130/0x130
[  411.473444] 10254 total pagecache pages
[  411.481997]  ? warn_alloc+0x120/0x120
[  411.486212] 0 pages in swap cache
[  411.490157]  ? print_usage_bug+0xc0/0xc0
[  411.493935] Swap cache stats: add 0, delete 0, find 0/0
[  411.497367]  ? print_usage_bug+0xc0/0xc0
[  411.501390] Free swap  = 0kB
[  411.506731]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  411.510755] Total swap = 0kB
[  411.513751]  ? find_held_lock+0x36/0x1c0
[  411.518908] 1965979 pages RAM
[  411.521908]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  411.525927] 0 pages HighMem/MovableOnly
[  411.525933] 342853 pages reserved
[  411.529019]  ? should_fail+0x22d/0xd01
[  411.534515] 0 pages cma reserved
[  411.534584] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  411.538477]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  411.541947] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  411.545770]  ? __lock_acquire+0x62f/0x4c20
[  411.549104] ksoftirqd/0 cpuset=/ mems_allowed=0
[  411.555579]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  411.584860]  ? __lock_acquire+0x62f/0x4c20
[  411.589078]  ? should_fail+0x22d/0xd01
[  411.592970]  ? mark_held_locks+0x130/0x130
[  411.597202]  ? mark_held_locks+0x130/0x130
[  411.601426]  ? find_held_lock+0x36/0x1c0
[  411.605475]  ? zap_class+0x640/0x640
[  411.609180]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.614711]  ? check_preemption_disabled+0x48/0x280
[  411.619722]  ? __lock_is_held+0xb5/0x140
[  411.623792]  __alloc_pages_nodemask+0xad8/0xea0
[  411.628460]  ? zap_class+0x640/0x640
[  411.632170]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  411.637184]  ? find_held_lock+0x36/0x1c0
[  411.641247]  ? ____cache_alloc_node+0x1c7/0x1e0
[  411.645905]  ? lock_downgrade+0x900/0x900
[  411.650045]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.655571]  cache_grow_begin+0xa5/0x8c0
[  411.659623]  ? do_raw_spin_unlock+0xa7/0x330
[  411.664024]  fallback_alloc+0x204/0x2e0
[  411.667996]  ____cache_alloc_node+0x1c7/0x1e0
[  411.672488]  kmem_cache_alloc_node+0xe3/0x730
[  411.676977]  ? mark_held_locks+0xc7/0x130
[  411.681117]  __alloc_skb+0x119/0x770
[  411.684824]  ? netdev_alloc_frag+0x1f0/0x1f0
[  411.689219]  ? do_raw_spin_trylock+0x270/0x270
[  411.693791]  ? kmem_cache_alloc_trace+0x353/0x750
[  411.698626]  ? queue_work_on+0x12c/0x1e0
[  411.702685]  ? switchdev_port_obj_del+0xe3/0x450
[  411.707460]  ? switchdev_trans_item_enqueue+0x260/0x260
[  411.712832]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  411.717843]  __br_mdb_notify+0x4ff/0x15d0
[  411.722075]  ? __br_mdb_add+0x730/0x730
[  411.726042]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.731565]  ? check_preemption_disabled+0x48/0x280
[  411.736579]  ? br_multicast_group_expired+0xaf/0x4b0
[  411.741668]  ? lock_downgrade+0x900/0x900
[  411.745807]  br_mdb_notify+0x310/0x410
[  411.749684]  ? br_mdb_dump+0x25e0/0x25e0
[  411.753741]  br_multicast_group_expired+0x1eb/0x4b0
[  411.758852]  ? check_preemption_disabled+0x48/0x280
[  411.763860]  ? __rhashtable_remove_fast.constprop.41+0xe20/0xe20
[  411.769995]  ? __lock_is_held+0xb5/0x140
[  411.774054]  call_timer_fn+0x272/0x920
[  411.777947]  ? __rhashtable_remove_fast.constprop.41+0xe20/0xe20
[  411.784077]  ? process_timeout+0x40/0x40
[  411.788127]  ? __run_timers+0x7da/0xc70
[  411.792090]  ? _raw_spin_unlock_irq+0x27/0x80
[  411.796582]  ? _raw_spin_unlock_irq+0x27/0x80
[  411.801062]  ? __rhashtable_remove_fast.constprop.41+0xe20/0xe20
[  411.807202]  ? lockdep_hardirqs_on+0x296/0x5b0
[  411.811794]  ? trace_hardirqs_on+0xbd/0x310
[  411.816101]  ? kasan_check_read+0x11/0x20
[  411.820238]  ? __run_timers+0x7da/0xc70
[  411.824206]  ? trace_hardirqs_off_caller+0x310/0x310
[  411.829306]  ? __rhashtable_remove_fast.constprop.41+0xe20/0xe20
[  411.835445]  ? __rhashtable_remove_fast.constprop.41+0xe20/0xe20
[  411.841576]  __run_timers+0x7e5/0xc70
[  411.845375]  ? timer_fixup_init+0x70/0x70
[  411.849511]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  411.854516]  ? zap_class+0x640/0x640
[  411.858218]  ? enqueue_hrtimer+0x1a5/0x560
[  411.862454]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  411.867649]  ? find_held_lock+0x36/0x1c0
[  411.871716]  ? zap_class+0x640/0x640
[  411.875423]  ? pvclock_read_flags+0x160/0x160
[  411.879912]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.885448]  ? check_preemption_disabled+0x48/0x280
[  411.890558]  ? __lock_is_held+0xb5/0x140
[  411.894608]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.900135]  ? check_preemption_disabled+0x48/0x280
[  411.905166]  run_timer_softirq+0x52/0xb0
[  411.909222]  ? rcu_read_lock_sched_held+0x14f/0x180
[  411.914231]  __do_softirq+0x308/0xb7e
[  411.918025]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  411.922519]  ? lock_downgrade+0x900/0x900
[  411.926666]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  411.931768]  ? pvclock_read_flags+0x160/0x160
[  411.936258]  ? lapic_next_event+0x5a/0x90
[  411.940398]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.945936]  ? kvm_clock_read+0x18/0x30
[  411.949909]  ? kvm_sched_clock_read+0x9/0x20
[  411.954322]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.959847]  ? check_preemption_disabled+0x48/0x280
[  411.964858]  irq_exit+0x17f/0x1c0
[  411.968301]  smp_apic_timer_interrupt+0x1cb/0x760
[  411.973130]  ? smp_reschedule_interrupt+0x109/0x650
[  411.978136]  ? smp_call_function_single_interrupt+0x650/0x650
[  411.984005]  ? interrupt_entry+0xb5/0xc0
[  411.988055]  ? trace_hardirqs_off_caller+0xbb/0x310
[  411.993061]  ? trace_hardirqs_off_caller+0xbb/0x310
[  411.998066]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  412.002897]  ? trace_hardirqs_on_caller+0x310/0x310
[  412.007903]  ? trace_hardirqs_on_caller+0x310/0x310
[  412.012910]  ? task_prio+0x50/0x50
[  412.016561]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.022106]  ? check_preemption_disabled+0x48/0x280
[  412.027112]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  412.031951]  apic_timer_interrupt+0xf/0x20
[  412.036177]  </IRQ>
[  412.038418] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  412.044307] Code: 3e 7e 0f 85 32 ff ff ff e8 03 6a 3d ff e9 28 ff ff ff e8 4a 99 c2 ff 48 83 3d c2 ed 8e 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 ca 05
[  412.063209] RSP: 0018:ffff888198b071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  412.070901] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  412.078158] RDX: 0000000000000000 RSI: ffff8881bbc289c0 RDI: 0000000000000286
[  412.085420] RBP: ffff888198b07250 R08: ffff8881bbc28140 R09: 0000000000000000
[  412.092676] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800940
[  412.099936] R13: ffff8881da800940 R14: 0000000000000000 R15: 0000000000000286
[  412.107216]  ? save_stack+0xa9/0xd0
[  412.110837]  __kmalloc_node_track_caller+0x3c/0x70
[  412.115758]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  412.120509]  pskb_expand_head+0x230/0x10f0
[  412.124736]  ? memcpy+0x45/0x50
[  412.128003]  ? __copy_skb_header+0x350/0x6b0
[  412.132396]  ? skb_release_data+0x9a0/0x9a0
[  412.136705]  ? __alloc_skb+0x770/0x770
[  412.140674]  ? __lock_is_held+0xb5/0x140
[  412.144729]  ? kasan_check_write+0x14/0x20
[  412.148949]  ? __skb_clone+0x6c7/0xa00
[  412.152825]  ? __copy_skb_header+0x6b0/0x6b0
[  412.157218]  ? kmem_cache_alloc+0x33a/0x730
[  412.161541]  skb_ensure_writable+0x3dd/0x640
[  412.165942]  ? skb_checksum_setup+0xaa0/0xaa0
[  412.170422]  ? check_preemption_disabled+0x48/0x280
[  412.175426]  ? __this_cpu_preempt_check+0x1c/0x20
[  412.180254]  ? __bpf_redirect+0x55b/0xb60
[  412.184395]  bpf_clone_redirect+0x14a/0x490
[  412.188708]  bpf_prog_88483476fbe68a28+0x6f0/0x1000
[  412.193713]  ? __sched_text_start+0x8/0x8
[  412.197859]  ? find_held_lock+0x36/0x1c0
[  412.201931]  ? lock_acquire+0x1ed/0x520
[  412.205895]  ? bpf_test_run+0x3ee/0x7a0
[  412.209869]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.215392]  ? check_preemption_disabled+0x48/0x280
[  412.220399]  ? kasan_check_read+0x11/0x20
[  412.224534]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  412.229798]  ? rcu_softirq_qs+0x20/0x20
[  412.233760]  ? preempt_schedule+0x4d/0x60
[  412.237897]  ? ___preempt_schedule+0x16/0x18
[  412.242316]  ? bpf_test_run+0x271/0x7a0
[  412.246286]  ? netlink_diag_dump+0x2a0/0x2a0
[  412.250682]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  412.256213]  ? bpf_test_init.isra.10+0x70/0x100
[  412.260870]  ? bpf_prog_test_run_skb+0x762/0xd90
[  412.265626]  ? bpf_test_finish.isra.9+0x260/0x260
[  412.270460]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  412.275986]  ? fput+0x130/0x1a0
[  412.279256]  ? __bpf_prog_get+0x9b/0x290
[  412.283306]  ? bpf_test_finish.isra.9+0x260/0x260
[  412.288151]  ? __do_sys_bpf+0x1898/0x4570
[  412.292379]  ? bpf_prog_load+0x1db0/0x1db0
[  412.296604]  ? find_held_lock+0x36/0x1c0
[  412.300667]  ? __might_fault+0x12b/0x1e0
[  412.304717]  ? lock_downgrade+0x900/0x900
[  412.308853]  ? lock_release+0xa00/0xa00
[  412.312976]  ? perf_trace_sched_process_exec+0x860/0x860
[  412.318413]  ? posix_ktime_get_ts+0x15/0x20
[  412.322728]  ? trace_hardirqs_off_caller+0x310/0x310
[  412.327834]  ? kasan_check_read+0x11/0x20
[  412.331968]  ? _copy_to_user+0xc8/0x110
[  412.335932]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  412.341456]  ? put_timespec64+0x10f/0x1b0
[  412.345590]  ? nsecs_to_jiffies+0x30/0x30
[  412.349735]  ? trace_hardirqs_off_caller+0x310/0x310
[  412.354828]  ? __x64_sys_bpf+0x73/0xb0
[  412.358705]  ? do_syscall_64+0x1b9/0x820
[  412.362755]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  412.368107]  ? syscall_return_slowpath+0x5e0/0x5e0
[  412.373024]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  412.377853]  ? trace_hardirqs_on_caller+0x310/0x310
[  412.382859]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  412.387860]  ? prepare_exit_to_usermode+0x291/0x3b0
[  412.392868]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  412.397710]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  412.403076] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #181
[  412.403256] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  412.409915] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  412.420371] syz-executor0 cpuset=syz0 mems_allowed=0
[  412.429700] Call Trace:
[  412.437361]  dump_stack+0x244/0x39d
[  412.440978]  ? dump_stack_print_info.cold.1+0x20/0x20
[  412.446168]  warn_alloc.cold.116+0xb7/0x1bd
[  412.450479]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  412.455326]  ? lock_downgrade+0x900/0x900
[  412.459465]  ? trace_hardirqs_off+0xb8/0x310
[  412.463879]  ? trace_hardirqs_off+0xb8/0x310
[  412.468279]  __alloc_pages_slowpath+0x2651/0x2de0
[  412.473127]  ? warn_alloc+0x120/0x120
[  412.476938]  ? print_usage_bug+0xc0/0xc0
[  412.481105]  ? warn_alloc+0x120/0x120
[  412.484900]  ? mark_held_locks+0x130/0x130
[  412.489124]  ? warn_alloc+0x120/0x120
[  412.492917]  ? print_usage_bug+0xc0/0xc0
[  412.496969]  ? print_usage_bug+0xc0/0xc0
[  412.501016]  ? __lock_acquire+0x62f/0x4c20
[  412.505240]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  412.510766]  ? should_fail+0x22d/0xd01
[  412.514645]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  412.519745]  ? __lock_acquire+0x62f/0x4c20
[  412.523968]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  412.529055]  ? __lock_acquire+0x62f/0x4c20
[  412.533273]  ? should_fail+0x22d/0xd01
[  412.537153]  ? find_held_lock+0x36/0x1c0
[  412.541210]  ? mark_held_locks+0x130/0x130
[  412.545456]  ? mark_held_locks+0x130/0x130
[  412.549674]  ? zap_class+0x640/0x640
[  412.553373]  ? zap_class+0x640/0x640
[  412.557076]  ? print_usage_bug+0xc0/0xc0
[  412.561130]  ? do_raw_spin_unlock+0xa7/0x330
[  412.565524]  ? zap_class+0x640/0x640
[  412.569224]  ? print_usage_bug+0xc0/0xc0
[  412.573281]  ? wq_watchdog_touch+0x9c/0xfe
[  412.577503]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.583026]  ? check_preemption_disabled+0x48/0x280
[  412.588033]  ? __lock_is_held+0xb5/0x140
[  412.592187]  __alloc_pages_nodemask+0xad8/0xea0
[  412.596842]  ? zap_class+0x640/0x640
[  412.600544]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  412.605551]  ? find_held_lock+0x36/0x1c0
[  412.609610]  ? ____cache_alloc_node+0x1c7/0x1e0
[  412.614271]  ? lock_downgrade+0x900/0x900
[  412.618419]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.623967]  cache_grow_begin+0xa5/0x8c0
[  412.628015]  ? do_raw_spin_unlock+0xa7/0x330
[  412.632414]  fallback_alloc+0x204/0x2e0
[  412.636385]  ____cache_alloc_node+0x1c7/0x1e0
[  412.640871]  kmem_cache_alloc_node+0xe3/0x730
[  412.645360]  ? ipv6_get_ifaddr+0x42e/0x620
[  412.649594]  __alloc_skb+0x119/0x770
[  412.653294]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  412.658559]  ? netdev_alloc_frag+0x1f0/0x1f0
[  412.662956]  ? lock_downgrade+0x900/0x900
[  412.667095]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.672624]  ? refcount_sub_and_test_checked+0x203/0x310
[  412.678062]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  412.683499]  ? addrconf_rs_timer+0x690/0x690
[  412.687900]  ndisc_alloc_skb+0x144/0x340
[  412.691950]  ndisc_send_rs+0x331/0x6e0
[  412.695828]  addrconf_rs_timer+0x314/0x690
[  412.700056]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  412.704286]  call_timer_fn+0x272/0x920
[  412.708175]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  412.712397]  ? process_timeout+0x40/0x40
[  412.716451]  ? __run_timers+0x7da/0xc70
[  412.720419]  ? _raw_spin_unlock_irq+0x27/0x80
[  412.724901]  ? _raw_spin_unlock_irq+0x27/0x80
[  412.729385]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  412.733612]  ? lockdep_hardirqs_on+0x296/0x5b0
[  412.738190]  ? trace_hardirqs_on+0xbd/0x310
[  412.742501]  ? kasan_check_read+0x11/0x20
[  412.746638]  ? __run_timers+0x7da/0xc70
[  412.750601]  ? trace_hardirqs_off_caller+0x310/0x310
[  412.755695]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  412.759921]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  412.764139]  __run_timers+0x7e5/0xc70
[  412.767938]  ? timer_fixup_init+0x70/0x70
[  412.772075]  ? _raw_spin_unlock_irq+0x27/0x80
[  412.776558]  ? _raw_spin_unlock_irq+0x27/0x80
[  412.781045]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  412.785619]  ? trace_hardirqs_on+0xbd/0x310
[  412.789932]  ? kasan_check_read+0x11/0x20
[  412.794073]  ? finish_task_switch+0x1f4/0x910
[  412.798559]  ? trace_hardirqs_off_caller+0x310/0x310
[  412.803650]  ? compat_start_thread+0x80/0x80
[  412.808067]  ? pvclock_read_flags+0x160/0x160
[  412.812549]  ? __switch_to_asm+0x34/0x70
[  412.816601]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.822133]  ? check_preemption_disabled+0x48/0x280
[  412.827144]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  412.832670]  ? rcu_pm_notify+0xc0/0xc0
[  412.836546]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.842076]  ? check_preemption_disabled+0x48/0x280
[  412.847095]  run_timer_softirq+0x52/0xb0
[  412.851152]  ? rcu_read_lock_sched_held+0x14f/0x180
[  412.856158]  __do_softirq+0x308/0xb7e
[  412.859948]  ? retint_kernel+0x2d/0x2d
[  412.863827]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  412.868917]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  412.874355]  ? rcu_irq_enter+0x18c/0x310
[  412.878412]  ? schedule+0x108/0x460
[  412.882029]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  412.886778]  ? trace_hardirqs_off+0xb8/0x310
[  412.891177]  ? smpboot_thread_fn+0x68b/0xa00
[  412.895574]  ? trace_hardirqs_on+0x310/0x310
[  412.899970]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  412.905497]  ? check_preemption_disabled+0x48/0x280
[  412.910501]  ? takeover_tasklets+0xa90/0xa90
[  412.914899]  run_ksoftirqd+0x5e/0x100
[  412.918783]  smpboot_thread_fn+0x68b/0xa00
[  412.923022]  ? sort_range+0x30/0x30
[  412.926639]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  412.931735]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  412.937265]  ? __kthread_parkme+0xfb/0x1a0
[  412.941496]  ? sort_range+0x30/0x30
[  412.945132]  kthread+0x35a/0x440
[  412.948492]  ? kthread_stop+0x900/0x900
[  412.952462]  ret_from_fork+0x3a/0x50
[  412.956186] CPU: 1 PID: 16176 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #181
[  412.956190] warn_alloc_show_mem: 1 callbacks suppressed
[  412.956195] Mem-Info:
[  412.963544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  412.968896] active_anon:54949 inactive_anon:10067 isolated_anon:0
[  412.968896]  active_file:12 inactive_file:12 isolated_file:0
[  412.968896]  unevictable:0 dirty:0 writeback:0 unstable:0
[  412.968896]  slab_reclaimable:9454 slab_unreclaimable:1442611
[  412.968896]  mapped:40962 shmem:10230 pagetables:596 bounce:0
[  412.968896]  free:13765 free_pcp:525 free_cma:0
[  412.971260] Call Trace:
[  412.980629] Node 0 active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:40920kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 202752kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  413.013896]  <IRQ>
[  413.016454] 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
[  413.044292]  dump_stack+0x244/0x39d
[  413.046407] lowmem_reserve[]: 0 2818 6321 6321
[  413.072497]  ? dump_stack_print_info.cold.1+0x20/0x20
[  413.076097] Node 0 DMA32 free:25248kB 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:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  413.080670]  warn_alloc.cold.116+0xb7/0x1bd
[  413.085819] lowmem_reserve[]: 0 0 3503 3503
[  413.113127]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  413.117414] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2384kB bounce:0kB free_pcp:1852kB local_pcp:1500kB free_cma:0kB
[  413.121721]  ? lock_downgrade+0x900/0x900
[  413.126536] lowmem_reserve[]: 0 0 0 0
[  413.155756]  ? trace_hardirqs_off+0xb8/0x310
[  413.159896] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  413.163686]  ? trace_hardirqs_off+0xb8/0x310
[  413.168234] Node 0 DMA32: 4*4kB (UM) 0*8kB 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB
[  413.181742]  __alloc_pages_slowpath+0x2651/0x2de0
[  413.186113] Node 0 Normal: 1308*4kB (ME) 392*8kB (UME) 140*16kB (ME) 47*32kB (ME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  413.201038]  ? warn_alloc+0x120/0x120
[  413.205837] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  413.220467]  ? warn_alloc+0x120/0x120
[  413.224237] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  413.233046]  ? mark_held_locks+0x130/0x130
[  413.236814] 10254 total pagecache pages
[  413.245368]  ? warn_alloc+0x120/0x120
[  413.249577] 0 pages in swap cache
[  413.253523]  ? print_usage_bug+0xc0/0xc0
[  413.257294] Swap cache stats: add 0, delete 0, find 0/0
[  413.260723]  ? print_usage_bug+0xc0/0xc0
[  413.264749] Free swap  = 0kB
[  413.270098]  ? print_usage_bug+0xc0/0xc0
[  413.274123] Total swap = 0kB
[  413.277122]  ? __lock_acquire+0x62f/0x4c20
[  413.281148] 1965979 pages RAM
[  413.284154]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  413.288352] 0 pages HighMem/MovableOnly
[  413.291460]  ? should_fail+0x22d/0xd01
[  413.296955] 342853 pages reserved
[  413.296961] 0 pages cma reserved
[  413.300933]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  413.304857] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  413.308226]  ? __lock_acquire+0x62f/0x4c20
[  413.311608] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  413.316638]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  413.323112] ksoftirqd/0 cpuset=/ mems_allowed=0
[  413.327321]  ? __lock_acquire+0x62f/0x4c20
[  413.327333]  ? should_fail+0x22d/0xd01
[  413.355424]  ? mark_held_locks+0x130/0x130
[  413.359658]  ? mark_held_locks+0x130/0x130
[  413.363888]  ? zap_class+0x640/0x640
[  413.367586]  ? print_usage_bug+0xc0/0xc0
[  413.371637]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.377162]  ? check_preemption_disabled+0x48/0x280
[  413.382171]  ? __lock_is_held+0xb5/0x140
[  413.386243]  __alloc_pages_nodemask+0xad8/0xea0
[  413.390902]  ? zap_class+0x640/0x640
[  413.394608]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  413.399623]  ? find_held_lock+0x36/0x1c0
[  413.403683]  ? ____cache_alloc_node+0x1c7/0x1e0
[  413.408340]  ? lock_downgrade+0x900/0x900
[  413.412482]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.418008]  cache_grow_begin+0xa5/0x8c0
[  413.422055]  ? do_raw_spin_unlock+0xa7/0x330
[  413.426463]  fallback_alloc+0x204/0x2e0
[  413.430431]  ____cache_alloc_node+0x1c7/0x1e0
[  413.435004]  kmem_cache_alloc_node+0xe3/0x730
[  413.439488]  ? ipv6_get_ifaddr+0x42e/0x620
[  413.443724]  __alloc_skb+0x119/0x770
[  413.447430]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  413.452698]  ? netdev_alloc_frag+0x1f0/0x1f0
[  413.457094]  ? lock_downgrade+0x900/0x900
[  413.461238]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.466759]  ? refcount_sub_and_test_checked+0x203/0x310
[  413.472197]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  413.477635]  ? addrconf_rs_timer+0x690/0x690
[  413.482068]  ndisc_alloc_skb+0x144/0x340
[  413.486123]  ndisc_send_rs+0x331/0x6e0
[  413.490003]  addrconf_rs_timer+0x314/0x690
[  413.494230]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.498462]  call_timer_fn+0x272/0x920
[  413.502338]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.506558]  ? process_timeout+0x40/0x40
[  413.510610]  ? __run_timers+0x7da/0xc70
[  413.514590]  ? _raw_spin_unlock_irq+0x27/0x80
[  413.519081]  ? _raw_spin_unlock_irq+0x27/0x80
[  413.523564]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.527788]  ? lockdep_hardirqs_on+0x296/0x5b0
[  413.532364]  ? trace_hardirqs_on+0xbd/0x310
[  413.536682]  ? kasan_check_read+0x11/0x20
[  413.540823]  ? __run_timers+0x7da/0xc70
[  413.544801]  ? trace_hardirqs_off_caller+0x310/0x310
[  413.549902]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.554122]  __run_timers+0x7e5/0xc70
[  413.558035]  ? timer_fixup_init+0x70/0x70
[  413.562175]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  413.567179]  ? zap_class+0x640/0x640
[  413.570884]  ? enqueue_hrtimer+0x1a5/0x560
[  413.575107]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  413.580286]  ? find_held_lock+0x36/0x1c0
[  413.584340]  ? zap_class+0x640/0x640
[  413.588043]  ? pvclock_read_flags+0x160/0x160
[  413.592531]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.598064]  ? check_preemption_disabled+0x48/0x280
[  413.603078]  ? __lock_is_held+0xb5/0x140
[  413.607127]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.612658]  ? check_preemption_disabled+0x48/0x280
[  413.617663]  run_timer_softirq+0x52/0xb0
[  413.621709]  ? rcu_read_lock_sched_held+0x14f/0x180
[  413.626715]  __do_softirq+0x308/0xb7e
[  413.630506]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  413.634984]  ? lock_downgrade+0x900/0x900
[  413.639124]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  413.644218]  ? pvclock_read_flags+0x160/0x160
[  413.648706]  ? lapic_next_event+0x5a/0x90
[  413.652844]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.658373]  ? kvm_clock_read+0x18/0x30
[  413.662334]  ? kvm_sched_clock_read+0x9/0x20
[  413.666731]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.672252]  ? check_preemption_disabled+0x48/0x280
[  413.677260]  irq_exit+0x17f/0x1c0
[  413.680700]  smp_apic_timer_interrupt+0x1cb/0x760
[  413.685527]  ? smp_reschedule_interrupt+0x109/0x650
[  413.690537]  ? smp_call_function_single_interrupt+0x650/0x650
[  413.696411]  ? interrupt_entry+0xb5/0xc0
[  413.700462]  ? trace_hardirqs_off_caller+0xbb/0x310
[  413.705468]  ? trace_hardirqs_off_caller+0xbb/0x310
[  413.710473]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  413.715302]  ? trace_hardirqs_on_caller+0x310/0x310
[  413.720302]  ? trace_hardirqs_on_caller+0x310/0x310
[  413.725303]  ? task_prio+0x50/0x50
[  413.728835]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.734357]  ? check_preemption_disabled+0x48/0x280
[  413.739367]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  413.744200]  apic_timer_interrupt+0xf/0x20
[  413.748419]  </IRQ>
[  413.750656] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  413.756529] Code: 3e 7e 0f 85 32 ff ff ff e8 03 6a 3d ff e9 28 ff ff ff e8 4a 99 c2 ff 48 83 3d c2 ed 8e 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 ca 05
[  413.775413] RSP: 0018:ffff888198b071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  413.783113] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  413.790367] RDX: 0000000000000000 RSI: ffff8881bbc289c0 RDI: 0000000000000286
[  413.797622] RBP: ffff888198b07250 R08: ffff8881bbc28140 R09: 0000000000000000
[  413.804877] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800940
[  413.812130] R13: ffff8881da800940 R14: 0000000000000000 R15: 0000000000000286
[  413.819415]  ? save_stack+0xa9/0xd0
[  413.823044]  __kmalloc_node_track_caller+0x3c/0x70
[  413.827962]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  413.832712]  pskb_expand_head+0x230/0x10f0
[  413.836944]  ? memcpy+0x45/0x50
[  413.840213]  ? __copy_skb_header+0x350/0x6b0
[  413.844609]  ? skb_release_data+0x9a0/0x9a0
[  413.848922]  ? __alloc_skb+0x770/0x770
[  413.852809]  ? __lock_is_held+0xb5/0x140
[  413.856860]  ? kasan_check_write+0x14/0x20
[  413.861080]  ? __skb_clone+0x6c7/0xa00
[  413.864957]  ? __copy_skb_header+0x6b0/0x6b0
[  413.869348]  ? kmem_cache_alloc+0x33a/0x730
[  413.873662]  skb_ensure_writable+0x3dd/0x640
[  413.878063]  ? skb_checksum_setup+0xaa0/0xaa0
[  413.882544]  ? check_preemption_disabled+0x48/0x280
[  413.887554]  ? __this_cpu_preempt_check+0x1c/0x20
[  413.892381]  ? __bpf_redirect+0x55b/0xb60
[  413.896523]  bpf_clone_redirect+0x14a/0x490
[  413.900838]  bpf_prog_88483476fbe68a28+0x6f0/0x1000
[  413.905842]  ? __sched_text_start+0x8/0x8
[  413.909985]  ? find_held_lock+0x36/0x1c0
[  413.914048]  ? lock_acquire+0x1ed/0x520
[  413.918011]  ? bpf_test_run+0x3ee/0x7a0
[  413.922054]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.927578]  ? check_preemption_disabled+0x48/0x280
[  413.932589]  ? kasan_check_read+0x11/0x20
[  413.936735]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  413.942001]  ? rcu_softirq_qs+0x20/0x20
[  413.945970]  ? preempt_schedule+0x4d/0x60
[  413.950104]  ? ___preempt_schedule+0x16/0x18
[  413.954507]  ? bpf_test_run+0x271/0x7a0
[  413.958478]  ? netlink_diag_dump+0x2a0/0x2a0
[  413.962875]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  413.968401]  ? bpf_test_init.isra.10+0x70/0x100
[  413.973071]  ? bpf_prog_test_run_skb+0x762/0xd90
[  413.977828]  ? bpf_test_finish.isra.9+0x260/0x260
[  413.982665]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  413.988201]  ? fput+0x130/0x1a0
[  413.991480]  ? __bpf_prog_get+0x9b/0x290
[  413.995537]  ? bpf_test_finish.isra.9+0x260/0x260
[  414.000466]  ? __do_sys_bpf+0x1898/0x4570
[  414.004606]  ? bpf_prog_load+0x1db0/0x1db0
[  414.008830]  ? find_held_lock+0x36/0x1c0
[  414.012894]  ? __might_fault+0x12b/0x1e0
[  414.016961]  ? lock_downgrade+0x900/0x900
[  414.021102]  ? lock_release+0xa00/0xa00
[  414.025062]  ? perf_trace_sched_process_exec+0x860/0x860
[  414.030496]  ? posix_ktime_get_ts+0x15/0x20
[  414.034807]  ? trace_hardirqs_off_caller+0x310/0x310
[  414.039914]  ? kasan_check_read+0x11/0x20
[  414.044053]  ? _copy_to_user+0xc8/0x110
[  414.048027]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.053552]  ? put_timespec64+0x10f/0x1b0
[  414.057709]  ? nsecs_to_jiffies+0x30/0x30
[  414.061861]  ? trace_hardirqs_off_caller+0x310/0x310
[  414.066964]  ? __x64_sys_bpf+0x73/0xb0
[  414.070848]  ? do_syscall_64+0x1b9/0x820
[  414.075004]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  414.080364]  ? syscall_return_slowpath+0x5e0/0x5e0
[  414.085290]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  414.090124]  ? trace_hardirqs_on_caller+0x310/0x310
[  414.095128]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  414.100136]  ? prepare_exit_to_usermode+0x291/0x3b0
[  414.105145]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  414.109982]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  414.115345] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #181
[  414.115413] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  414.122179] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  414.128716] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  414.137992] Call Trace:
[  414.148452] syz-executor0 cpuset=syz0 mems_allowed=0
[  414.151027]  dump_stack+0x244/0x39d
[  414.159706]  ? dump_stack_print_info.cold.1+0x20/0x20
[  414.164900]  warn_alloc.cold.116+0xb7/0x1bd
[  414.169212]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  414.174048]  ? lock_downgrade+0x900/0x900
[  414.178188]  ? trace_hardirqs_off+0xb8/0x310
[  414.182590]  ? trace_hardirqs_off+0xb8/0x310
[  414.186991]  __alloc_pages_slowpath+0x2651/0x2de0
[  414.191850]  ? warn_alloc+0x120/0x120
[  414.195642]  ? print_usage_bug+0xc0/0xc0
[  414.199694]  ? warn_alloc+0x120/0x120
[  414.203491]  ? mark_held_locks+0x130/0x130
[  414.207727]  ? warn_alloc+0x120/0x120
[  414.211540]  ? print_usage_bug+0xc0/0xc0
[  414.215595]  ? print_usage_bug+0xc0/0xc0
[  414.219647]  ? __lock_acquire+0x62f/0x4c20
[  414.223879]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.229403]  ? should_fail+0x22d/0xd01
[  414.233285]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  414.238377]  ? __lock_acquire+0x62f/0x4c20
[  414.242604]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  414.247690]  ? __lock_acquire+0x62f/0x4c20
[  414.251907]  ? should_fail+0x22d/0xd01
[  414.255785]  ? find_held_lock+0x36/0x1c0
[  414.259844]  ? mark_held_locks+0x130/0x130
[  414.264073]  ? mark_held_locks+0x130/0x130
[  414.268310]  ? zap_class+0x640/0x640
[  414.272019]  ? zap_class+0x640/0x640
[  414.275721]  ? print_usage_bug+0xc0/0xc0
[  414.279768]  ? do_raw_spin_unlock+0xa7/0x330
[  414.284167]  ? zap_class+0x640/0x640
[  414.287954]  ? print_usage_bug+0xc0/0xc0
[  414.292011]  ? wq_watchdog_touch+0x9c/0xfe
[  414.296250]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.301780]  ? check_preemption_disabled+0x48/0x280
[  414.306797]  ? __lock_is_held+0xb5/0x140
[  414.311068]  __alloc_pages_nodemask+0xad8/0xea0
[  414.315727]  ? zap_class+0x640/0x640
[  414.319433]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  414.324443]  ? find_held_lock+0x36/0x1c0
[  414.328498]  ? ____cache_alloc_node+0x1c7/0x1e0
[  414.333157]  ? lock_downgrade+0x900/0x900
[  414.337297]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.342822]  cache_grow_begin+0xa5/0x8c0
[  414.346868]  ? do_raw_spin_unlock+0xa7/0x330
[  414.351278]  fallback_alloc+0x204/0x2e0
[  414.355245]  ____cache_alloc_node+0x1c7/0x1e0
[  414.359733]  kmem_cache_alloc_node+0xe3/0x730
[  414.364219]  ? ipv6_get_ifaddr+0x42e/0x620
[  414.368457]  __alloc_skb+0x119/0x770
[  414.372156]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  414.377426]  ? netdev_alloc_frag+0x1f0/0x1f0
[  414.381820]  ? lock_downgrade+0x900/0x900
[  414.385962]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.391486]  ? refcount_sub_and_test_checked+0x203/0x310
[  414.396929]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  414.402366]  ? addrconf_rs_timer+0x690/0x690
[  414.406771]  ndisc_alloc_skb+0x144/0x340
[  414.410822]  ndisc_send_rs+0x331/0x6e0
[  414.414701]  addrconf_rs_timer+0x314/0x690
[  414.418924]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  414.423153]  call_timer_fn+0x272/0x920
[  414.427036]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  414.431261]  ? process_timeout+0x40/0x40
[  414.435416]  ? __run_timers+0x7da/0xc70
[  414.439377]  ? _raw_spin_unlock_irq+0x27/0x80
[  414.443978]  ? _raw_spin_unlock_irq+0x27/0x80
[  414.448480]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  414.452701]  ? lockdep_hardirqs_on+0x296/0x5b0
[  414.457273]  ? trace_hardirqs_on+0xbd/0x310
[  414.461584]  ? kasan_check_read+0x11/0x20
[  414.465717]  ? __run_timers+0x7da/0xc70
[  414.469676]  ? trace_hardirqs_off_caller+0x310/0x310
[  414.474767]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  414.479130]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  414.483357]  __run_timers+0x7e5/0xc70
[  414.487151]  ? timer_fixup_init+0x70/0x70
[  414.491285]  ? _raw_spin_unlock_irq+0x27/0x80
[  414.495767]  ? _raw_spin_unlock_irq+0x27/0x80
[  414.500251]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  414.504819]  ? trace_hardirqs_on+0xbd/0x310
[  414.509125]  ? kasan_check_read+0x11/0x20
[  414.513265]  ? finish_task_switch+0x1f4/0x910
[  414.517749]  ? trace_hardirqs_off_caller+0x310/0x310
[  414.522838]  ? compat_start_thread+0x80/0x80
[  414.527254]  ? pvclock_read_flags+0x160/0x160
[  414.531733]  ? __switch_to_asm+0x34/0x70
[  414.535780]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.541306]  ? check_preemption_disabled+0x48/0x280
[  414.546316]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  414.551840]  ? rcu_pm_notify+0xc0/0xc0
[  414.555713]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.561236]  ? check_preemption_disabled+0x48/0x280
[  414.566256]  run_timer_softirq+0x52/0xb0
[  414.570301]  ? rcu_read_lock_sched_held+0x14f/0x180
[  414.575304]  __do_softirq+0x308/0xb7e
[  414.579092]  ? retint_kernel+0x2d/0x2d
[  414.582968]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  414.588062]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  414.593497]  ? rcu_irq_enter+0x18c/0x310
[  414.597547]  ? schedule+0x108/0x460
[  414.601166]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  414.605916]  ? trace_hardirqs_off+0xb8/0x310
[  414.610310]  ? smpboot_thread_fn+0x68b/0xa00
[  414.614704]  ? trace_hardirqs_on+0x310/0x310
[  414.619100]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.624624]  ? check_preemption_disabled+0x48/0x280
[  414.629632]  ? takeover_tasklets+0xa90/0xa90
[  414.634041]  run_ksoftirqd+0x5e/0x100
[  414.637826]  smpboot_thread_fn+0x68b/0xa00
[  414.642050]  ? sort_range+0x30/0x30
[  414.645663]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  414.650751]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.656276]  ? __kthread_parkme+0xfb/0x1a0
[  414.660497]  ? sort_range+0x30/0x30
[  414.664110]  kthread+0x35a/0x440
[  414.667577]  ? kthread_stop+0x900/0x900
[  414.671550]  ret_from_fork+0x3a/0x50
[  414.675277] CPU: 1 PID: 16176 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #181
[  414.675282] warn_alloc_show_mem: 1 callbacks suppressed
[  414.675288] Mem-Info:
[  414.682762] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  414.682768] Call Trace:
[  414.688126] active_anon:54949 inactive_anon:10067 isolated_anon:0
[  414.688126]  active_file:12 inactive_file:12 isolated_file:0
[  414.688126]  unevictable:0 dirty:0 writeback:0 unstable:0
[  414.688126]  slab_reclaimable:9454 slab_unreclaimable:1442611
[  414.688126]  mapped:40962 shmem:10230 pagetables:596 bounce:0
[  414.688126]  free:13765 free_pcp:525 free_cma:0
[  414.690490]  <IRQ>
[  414.699838] Node 0 active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:40920kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 202752kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  414.702400]  dump_stack+0x244/0x39d
[  414.735590] 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
[  414.737732]  ? dump_stack_print_info.cold.1+0x20/0x20
[  414.765533] lowmem_reserve[]: 0 2818 6321 6321
[  414.769152]  warn_alloc.cold.116+0xb7/0x1bd
[  414.795219] Node 0 DMA32 free:25248kB 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:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  414.800404]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  414.804948] lowmem_reserve[]: 0 0 3503 3503
[  414.809254]  ? lock_downgrade+0x900/0x900
[  414.836544] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2384kB bounce:0kB free_pcp:1852kB local_pcp:1500kB free_cma:0kB
[  414.841377]  ? trace_hardirqs_off+0xb8/0x310
[  414.845662] lowmem_reserve[]: 0 0 0 0
[  414.849794]  ? trace_hardirqs_off+0xb8/0x310
[  414.879003] 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
[  414.883402]  __alloc_pages_slowpath+0x2651/0x2de0
[  414.887165] Node 0 DMA32: 4*4kB (UM) 0*8kB 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB
[  414.891573]  ? warn_alloc+0x120/0x120
[  414.905043] Node 0 Normal: 1308*4kB (ME) 392*8kB (UME) 140*16kB (ME) 47*32kB (ME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  414.909871]  ? print_usage_bug+0xc0/0xc0
[  414.924754] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  414.928529]  ? warn_alloc+0x120/0x120
[  414.943152] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  414.947192]  ? warn_alloc+0x120/0x120
[  414.955994] 10254 total pagecache pages
[  414.959772]  ? print_usage_bug+0xc0/0xc0
[  414.968319] 0 pages in swap cache
[  414.972093]  ? kvm_clock_read+0x18/0x30
[  414.976034] Swap cache stats: add 0, delete 0, find 0/0
[  414.980071]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  414.983487] Free swap  = 0kB
[  414.987439]  ? print_usage_bug+0xc0/0xc0
[  414.992769] Total swap = 0kB
[  414.997762]  ? __lock_acquire+0x62f/0x4c20
[  415.000747] 1965979 pages RAM
[  415.004788]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  415.007772] 0 pages HighMem/MovableOnly
[  415.011985]  ? should_fail+0x22d/0xd01
[  415.015061] 342853 pages reserved
[  415.015067] 0 pages cma reserved
[  415.020582]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  415.024606] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  415.028387]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  415.031857] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  415.035152]  ? __lock_acquire+0x62f/0x4c20
[  415.040395] ksoftirqd/0 cpuset=/ mems_allowed=0
[  415.046867]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  415.076197]  ? __lock_acquire+0x62f/0x4c20
[  415.080416]  ? should_fail+0x22d/0xd01
[  415.084289]  ? rcu_irq_exit+0x1a2/0x390
[  415.088260]  ? mark_held_locks+0x130/0x130
[  415.092484]  ? mark_held_locks+0x130/0x130
[  415.096715]  ? mark_held_locks+0xc7/0x130
[  415.100851]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  415.105852]  ? zap_class+0x640/0x640
[  415.109551]  ? print_usage_bug+0xc0/0xc0
[  415.113602]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.119127]  ? check_preemption_disabled+0x48/0x280
[  415.124135]  ? __lock_is_held+0xb5/0x140
[  415.128188]  __alloc_pages_nodemask+0xad8/0xea0
[  415.132846]  ? zap_class+0x640/0x640
[  415.136549]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  415.141568]  ? find_held_lock+0x36/0x1c0
[  415.145624]  ? ____cache_alloc_node+0x1c7/0x1e0
[  415.150282]  ? lock_downgrade+0x900/0x900
[  415.154421]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.159963]  cache_grow_begin+0xa5/0x8c0
[  415.164010]  ? do_raw_spin_unlock+0xa7/0x330
[  415.168413]  fallback_alloc+0x204/0x2e0
[  415.172485]  ____cache_alloc_node+0x1c7/0x1e0
[  415.176970]  kmem_cache_alloc_node+0xe3/0x730
[  415.181451]  ? ipv6_get_ifaddr+0x42e/0x620
[  415.185686]  __alloc_skb+0x119/0x770
[  415.189387]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  415.194652]  ? netdev_alloc_frag+0x1f0/0x1f0
[  415.199048]  ? lock_downgrade+0x900/0x900
[  415.203196]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.208720]  ? refcount_sub_and_test_checked+0x203/0x310
[  415.214186]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  415.219622]  ? addrconf_rs_timer+0x690/0x690
[  415.224029]  ndisc_alloc_skb+0x144/0x340
[  415.228078]  ndisc_send_rs+0x331/0x6e0
[  415.231963]  addrconf_rs_timer+0x314/0x690
[  415.236193]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.240419]  call_timer_fn+0x272/0x920
[  415.244295]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.248521]  ? process_timeout+0x40/0x40
[  415.252571]  ? __run_timers+0x7da/0xc70
[  415.256534]  ? _raw_spin_unlock_irq+0x27/0x80
[  415.261012]  ? _raw_spin_unlock_irq+0x27/0x80
[  415.265490]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.269715]  ? lockdep_hardirqs_on+0x296/0x5b0
[  415.274285]  ? trace_hardirqs_on+0xbd/0x310
[  415.278593]  ? kasan_check_read+0x11/0x20
[  415.282726]  ? __run_timers+0x7da/0xc70
[  415.286691]  ? trace_hardirqs_off_caller+0x310/0x310
[  415.291783]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.296011]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.300228]  __run_timers+0x7e5/0xc70
[  415.304038]  ? timer_fixup_init+0x70/0x70
[  415.308177]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  415.313179]  ? zap_class+0x640/0x640
[  415.316883]  ? enqueue_hrtimer+0x1a5/0x560
[  415.321107]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  415.326287]  ? find_held_lock+0x36/0x1c0
[  415.330336]  ? zap_class+0x640/0x640
[  415.334037]  ? pvclock_read_flags+0x160/0x160
[  415.338519]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.344042]  ? check_preemption_disabled+0x48/0x280
[  415.349054]  ? __lock_is_held+0xb5/0x140
[  415.353100]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.358622]  ? check_preemption_disabled+0x48/0x280
[  415.363627]  run_timer_softirq+0x52/0xb0
[  415.367674]  ? rcu_read_lock_sched_held+0x14f/0x180
[  415.372689]  __do_softirq+0x308/0xb7e
[  415.376480]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  415.380961]  ? lock_downgrade+0x900/0x900
[  415.385098]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  415.390190]  ? pvclock_read_flags+0x160/0x160
[  415.394673]  ? lapic_next_event+0x5a/0x90
[  415.398815]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.404343]  ? kvm_clock_read+0x18/0x30
[  415.408305]  ? kvm_sched_clock_read+0x9/0x20
[  415.412704]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.418229]  ? check_preemption_disabled+0x48/0x280
[  415.423238]  irq_exit+0x17f/0x1c0
[  415.426699]  smp_apic_timer_interrupt+0x1cb/0x760
[  415.431532]  ? smp_reschedule_interrupt+0x109/0x650
[  415.436539]  ? smp_call_function_single_interrupt+0x650/0x650
[  415.442423]  ? interrupt_entry+0xb5/0xc0
[  415.446472]  ? trace_hardirqs_off_caller+0xbb/0x310
[  415.451473]  ? trace_hardirqs_off_caller+0xbb/0x310
[  415.456476]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  415.461304]  ? trace_hardirqs_on_caller+0x310/0x310
[  415.466309]  ? trace_hardirqs_on_caller+0x310/0x310
[  415.471309]  ? task_prio+0x50/0x50
[  415.474850]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.480372]  ? check_preemption_disabled+0x48/0x280
[  415.485380]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  415.490220]  apic_timer_interrupt+0xf/0x20
[  415.494450]  </IRQ>
[  415.496700] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  415.502594] Code: 3e 7e 0f 85 32 ff ff ff e8 03 6a 3d ff e9 28 ff ff ff e8 4a 99 c2 ff 48 83 3d c2 ed 8e 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 ca 05
[  415.521480] RSP: 0018:ffff888198b071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  415.529174] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  415.536436] RDX: 0000000000000000 RSI: ffff8881bbc289c0 RDI: 0000000000000286
[  415.543690] RBP: ffff888198b07250 R08: ffff8881bbc28140 R09: 0000000000000000
[  415.550945] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800940
[  415.558200] R13: ffff8881da800940 R14: 0000000000000000 R15: 0000000000000286
[  415.565475]  ? save_stack+0xa9/0xd0
[  415.569095]  __kmalloc_node_track_caller+0x3c/0x70
[  415.574030]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  415.578778]  pskb_expand_head+0x230/0x10f0
[  415.583009]  ? memcpy+0x45/0x50
[  415.586278]  ? __copy_skb_header+0x350/0x6b0
[  415.590680]  ? skb_release_data+0x9a0/0x9a0
[  415.594995]  ? __alloc_skb+0x770/0x770
[  415.598875]  ? __lock_is_held+0xb5/0x140
[  415.602935]  ? kasan_check_write+0x14/0x20
[  415.607157]  ? __skb_clone+0x6c7/0xa00
[  415.611036]  ? __copy_skb_header+0x6b0/0x6b0
[  415.615431]  ? kmem_cache_alloc+0x33a/0x730
[  415.619754]  skb_ensure_writable+0x3dd/0x640
[  415.624155]  ? skb_checksum_setup+0xaa0/0xaa0
[  415.628648]  ? check_preemption_disabled+0x48/0x280
[  415.633661]  ? __this_cpu_preempt_check+0x1c/0x20
[  415.638496]  ? __bpf_redirect+0x55b/0xb60
[  415.642633]  bpf_clone_redirect+0x14a/0x490
[  415.646953]  bpf_prog_88483476fbe68a28+0x6f0/0x1000
[  415.651965]  ? __sched_text_start+0x8/0x8
[  415.656111]  ? find_held_lock+0x36/0x1c0
[  415.660185]  ? lock_acquire+0x1ed/0x520
[  415.664146]  ? bpf_test_run+0x3ee/0x7a0
[  415.668113]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.673643]  ? check_preemption_disabled+0x48/0x280
[  415.678650]  ? kasan_check_read+0x11/0x20
[  415.682786]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  415.688047]  ? rcu_softirq_qs+0x20/0x20
[  415.692011]  ? preempt_schedule+0x4d/0x60
[  415.696144]  ? ___preempt_schedule+0x16/0x18
[  415.700546]  ? bpf_test_run+0x271/0x7a0
[  415.704533]  ? netlink_diag_dump+0x2a0/0x2a0
[  415.708936]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  415.714474]  ? bpf_test_init.isra.10+0x70/0x100
[  415.719133]  ? bpf_prog_test_run_skb+0x762/0xd90
[  415.723885]  ? bpf_test_finish.isra.9+0x260/0x260
[  415.728731]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  415.734256]  ? fput+0x130/0x1a0
[  415.737526]  ? __bpf_prog_get+0x9b/0x290
[  415.741589]  ? bpf_test_finish.isra.9+0x260/0x260
[  415.746415]  ? __do_sys_bpf+0x1898/0x4570
[  415.750558]  ? bpf_prog_load+0x1db0/0x1db0
[  415.754780]  ? find_held_lock+0x36/0x1c0
[  415.758834]  ? __might_fault+0x12b/0x1e0
[  415.762884]  ? lock_downgrade+0x900/0x900
[  415.767040]  ? lock_release+0xa00/0xa00
[  415.771001]  ? perf_trace_sched_process_exec+0x860/0x860
[  415.776435]  ? posix_ktime_get_ts+0x15/0x20
[  415.780742]  ? trace_hardirqs_off_caller+0x310/0x310
[  415.785846]  ? kasan_check_read+0x11/0x20
[  415.789997]  ? _copy_to_user+0xc8/0x110
[  415.793962]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  415.799495]  ? put_timespec64+0x10f/0x1b0
[  415.803631]  ? nsecs_to_jiffies+0x30/0x30
[  415.807778]  ? trace_hardirqs_off_caller+0x310/0x310
[  415.812890]  ? __x64_sys_bpf+0x73/0xb0
[  415.816774]  ? do_syscall_64+0x1b9/0x820
[  415.820821]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  415.826170]  ? syscall_return_slowpath+0x5e0/0x5e0
[  415.831105]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  415.835939]  ? trace_hardirqs_on_caller+0x310/0x310
[  415.840945]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  415.845957]  ? prepare_exit_to_usermode+0x291/0x3b0
[  415.850981]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  415.855816]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  415.861180] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #181
[  415.861248] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  415.868004] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  415.868008] Call Trace:
[  415.868025]  dump_stack+0x244/0x39d
[  415.868044]  ? dump_stack_print_info.cold.1+0x20/0x20
[  415.874580] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  415.883855]  warn_alloc.cold.116+0xb7/0x1bd
[  415.886403] syz-executor0 cpuset=syz0 mems_allowed=0
[  415.890013]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  415.919823]  ? lock_downgrade+0x900/0x900
[  415.923964]  ? trace_hardirqs_off+0xb8/0x310
[  415.928381]  ? trace_hardirqs_off+0xb8/0x310
[  415.932787]  __alloc_pages_slowpath+0x2651/0x2de0
[  415.937642]  ? warn_alloc+0x120/0x120
[  415.941434]  ? print_usage_bug+0xc0/0xc0
[  415.945483]  ? warn_alloc+0x120/0x120
[  415.949273]  ? mark_held_locks+0x130/0x130
[  415.953496]  ? warn_alloc+0x120/0x120
[  415.957287]  ? print_usage_bug+0xc0/0xc0
[  415.961339]  ? print_usage_bug+0xc0/0xc0
[  415.965385]  ? __lock_acquire+0x62f/0x4c20
[  415.969616]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  415.975146]  ? should_fail+0x22d/0xd01
[  415.979029]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  415.984130]  ? __lock_acquire+0x62f/0x4c20
[  415.988361]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  415.993453]  ? __lock_acquire+0x62f/0x4c20
[  415.997671]  ? should_fail+0x22d/0xd01
[  416.001546]  ? find_held_lock+0x36/0x1c0
[  416.005599]  ? mark_held_locks+0x130/0x130
[  416.009825]  ? mark_held_locks+0x130/0x130
[  416.014043]  ? zap_class+0x640/0x640
[  416.017857]  ? zap_class+0x640/0x640
[  416.021562]  ? print_usage_bug+0xc0/0xc0
[  416.025607]  ? do_raw_spin_unlock+0xa7/0x330
[  416.030009]  ? zap_class+0x640/0x640
[  416.033711]  ? print_usage_bug+0xc0/0xc0
[  416.037758]  ? wq_watchdog_touch+0x9c/0xfe
[  416.041979]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.047506]  ? check_preemption_disabled+0x48/0x280
[  416.052544]  ? __lock_is_held+0xb5/0x140
[  416.056602]  __alloc_pages_nodemask+0xad8/0xea0
[  416.061258]  ? zap_class+0x640/0x640
[  416.064960]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  416.069978]  ? find_held_lock+0x36/0x1c0
[  416.074032]  ? ____cache_alloc_node+0x1c7/0x1e0
[  416.078687]  ? lock_downgrade+0x900/0x900
[  416.082832]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.088372]  cache_grow_begin+0xa5/0x8c0
[  416.092421]  ? do_raw_spin_unlock+0xa7/0x330
[  416.096820]  fallback_alloc+0x204/0x2e0
[  416.100786]  ____cache_alloc_node+0x1c7/0x1e0
[  416.105360]  kmem_cache_alloc_node+0xe3/0x730
[  416.109845]  ? ipv6_get_ifaddr+0x42e/0x620
[  416.114085]  __alloc_skb+0x119/0x770
[  416.117787]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  416.123056]  ? netdev_alloc_frag+0x1f0/0x1f0
[  416.127452]  ? lock_downgrade+0x900/0x900
[  416.131592]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.137118]  ? refcount_sub_and_test_checked+0x203/0x310
[  416.142569]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  416.148007]  ? addrconf_rs_timer+0x690/0x690
[  416.152413]  ndisc_alloc_skb+0x144/0x340
[  416.156466]  ndisc_send_rs+0x331/0x6e0
[  416.160344]  addrconf_rs_timer+0x314/0x690
[  416.164576]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.168810]  call_timer_fn+0x272/0x920
[  416.172693]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.176917]  ? process_timeout+0x40/0x40
[  416.180981]  ? __run_timers+0x7da/0xc70
[  416.184948]  ? _raw_spin_unlock_irq+0x27/0x80
[  416.189432]  ? _raw_spin_unlock_irq+0x27/0x80
[  416.193921]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.198150]  ? lockdep_hardirqs_on+0x296/0x5b0
[  416.202729]  ? trace_hardirqs_on+0xbd/0x310
[  416.207057]  ? kasan_check_read+0x11/0x20
[  416.211205]  ? __run_timers+0x7da/0xc70
[  416.215170]  ? trace_hardirqs_off_caller+0x310/0x310
[  416.220268]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.224513]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.228736]  __run_timers+0x7e5/0xc70
[  416.232557]  ? timer_fixup_init+0x70/0x70
[  416.236693]  ? _raw_spin_unlock_irq+0x27/0x80
[  416.241255]  ? _raw_spin_unlock_irq+0x27/0x80
[  416.245742]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  416.250315]  ? trace_hardirqs_on+0xbd/0x310
[  416.254621]  ? kasan_check_read+0x11/0x20
[  416.258758]  ? finish_task_switch+0x1f4/0x910
[  416.263243]  ? trace_hardirqs_off_caller+0x310/0x310
[  416.268332]  ? compat_start_thread+0x80/0x80
[  416.272742]  ? pvclock_read_flags+0x160/0x160
[  416.277224]  ? __switch_to_asm+0x34/0x70
[  416.281273]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.286802]  ? check_preemption_disabled+0x48/0x280
[  416.291815]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  416.297343]  ? rcu_pm_notify+0xc0/0xc0
[  416.301221]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.306749]  ? check_preemption_disabled+0x48/0x280
[  416.311989]  run_timer_softirq+0x52/0xb0
[  416.316046]  ? rcu_read_lock_sched_held+0x14f/0x180
[  416.321055]  __do_softirq+0x308/0xb7e
[  416.324846]  ? retint_kernel+0x2d/0x2d
[  416.328735]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  416.333833]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  416.339288]  ? rcu_irq_enter+0x18c/0x310
[  416.343352]  ? schedule+0x108/0x460
[  416.346969]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  416.351719]  ? trace_hardirqs_off+0xb8/0x310
[  416.356122]  ? smpboot_thread_fn+0x68b/0xa00
[  416.360521]  ? trace_hardirqs_on+0x310/0x310
[  416.364923]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  416.370460]  ? check_preemption_disabled+0x48/0x280
[  416.375479]  ? takeover_tasklets+0xa90/0xa90
[  416.379880]  run_ksoftirqd+0x5e/0x100
[  416.383671]  smpboot_thread_fn+0x68b/0xa00
[  416.387896]  ? sort_range+0x30/0x30
[  416.391511]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  416.396605]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  416.402140]  ? __kthread_parkme+0xfb/0x1a0
[  416.406367]  ? sort_range+0x30/0x30
[  416.409987]  kthread+0x35a/0x440
[  416.413341]  ? kthread_stop+0x900/0x900
[  416.417304]  ret_from_fork+0x3a/0x50
[  416.421020] CPU: 1 PID: 16176 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #181
[  416.421024] warn_alloc_show_mem: 1 callbacks suppressed
[  416.421029] Mem-Info:
[  416.428371] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  416.433744] active_anon:54949 inactive_anon:10067 isolated_anon:0
[  416.433744]  active_file:12 inactive_file:12 isolated_file:0
[  416.433744]  unevictable:0 dirty:0 writeback:0 unstable:0
[  416.433744]  slab_reclaimable:9454 slab_unreclaimable:1442611
[  416.433744]  mapped:40962 shmem:10230 pagetables:596 bounce:0
[  416.433744]  free:13765 free_pcp:525 free_cma:0
[  416.436106] Call Trace:
[  416.445474] Node 0 active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:40920kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 202752kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  416.479178]  <IRQ>
[  416.481740] 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
[  416.509575]  dump_stack+0x244/0x39d
[  416.511683] lowmem_reserve[]: 0 2818 6321 6321
[  416.537789]  ? dump_stack_print_info.cold.1+0x20/0x20
[  416.541379] Node 0 DMA32 free:25248kB 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:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  416.545953]  warn_alloc.cold.116+0xb7/0x1bd
[  416.551210] lowmem_reserve[]: 0 0 3503 3503
[  416.578523]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  416.582812] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2384kB bounce:0kB free_pcp:1852kB local_pcp:1500kB free_cma:0kB
[  416.587118]  ? lock_downgrade+0x900/0x900
[  416.591925] lowmem_reserve[]: 0 0 0 0
[  416.621148]  ? trace_hardirqs_off+0xb8/0x310
[  416.625265] 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
[  416.629050]  ? trace_hardirqs_off+0xb8/0x310
[  416.633513] Node 0 DMA32: 4*4kB (UM) 0*8kB 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB
[  416.647035]  __alloc_pages_slowpath+0x2651/0x2de0
[  416.651403] Node 0 Normal: 1308*4kB (ME) 392*8kB (UME) 140*16kB (ME) 47*32kB (ME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  416.666316]  ? warn_alloc+0x120/0x120
[  416.671137] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  416.685765]  ? print_usage_bug+0xc0/0xc0
[  416.689536] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  416.698360]  ? warn_alloc+0x120/0x120
[  416.702389] 10254 total pagecache pages
[  416.710943]  ? warn_alloc+0x120/0x120
[  416.714716] 0 pages in swap cache
[  416.718667]  ? print_usage_bug+0xc0/0xc0
[  416.722434] Swap cache stats: add 0, delete 0, find 0/0
[  416.725862]  ? kvm_clock_read+0x18/0x30
[  416.729897] Free swap  = 0kB
[  416.735241]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  416.739179] Total swap = 0kB
[  416.742179]  ? print_usage_bug+0xc0/0xc0
[  416.747160] 1965979 pages RAM
[  416.750157]  ? __lock_acquire+0x62f/0x4c20
[  416.754178] 0 pages HighMem/MovableOnly
[  416.754184] 342853 pages reserved
[  416.757271]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  416.761471] 0 pages cma reserved
[  416.765427]  ? should_fail+0x22d/0xd01
[  416.768914] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  416.774356]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  416.774376]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  416.777799] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  416.781580]  ? __lock_acquire+0x62f/0x4c20
[  416.788040] ksoftirqd/0 cpuset=/ mems_allowed=0
[  416.793304]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  416.822616]  ? __lock_acquire+0x62f/0x4c20
[  416.826840]  ? should_fail+0x22d/0xd01
[  416.830713]  ? rcu_irq_exit+0x1a2/0x390
[  416.834686]  ? mark_held_locks+0x130/0x130
[  416.838915]  ? mark_held_locks+0x130/0x130
[  416.843143]  ? mark_held_locks+0xc7/0x130
[  416.847279]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  416.852285]  ? zap_class+0x640/0x640
[  416.855985]  ? print_usage_bug+0xc0/0xc0
[  416.860039]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.865565]  ? check_preemption_disabled+0x48/0x280
[  416.870581]  ? __lock_is_held+0xb5/0x140
[  416.874636]  __alloc_pages_nodemask+0xad8/0xea0
[  416.879290]  ? zap_class+0x640/0x640
[  416.882996]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  416.888018]  ? find_held_lock+0x36/0x1c0
[  416.892075]  ? ____cache_alloc_node+0x1c7/0x1e0
[  416.896730]  ? lock_downgrade+0x900/0x900
[  416.900874]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.906411]  cache_grow_begin+0xa5/0x8c0
[  416.910461]  ? do_raw_spin_unlock+0xa7/0x330
[  416.914870]  fallback_alloc+0x204/0x2e0
[  416.918858]  ____cache_alloc_node+0x1c7/0x1e0
[  416.923378]  kmem_cache_alloc_node+0xe3/0x730
[  416.927877]  ? ipv6_get_ifaddr+0x42e/0x620
[  416.932199]  __alloc_skb+0x119/0x770
[  416.935902]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  416.941177]  ? netdev_alloc_frag+0x1f0/0x1f0
[  416.945577]  ? lock_downgrade+0x900/0x900
[  416.949725]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.955246]  ? refcount_sub_and_test_checked+0x203/0x310
[  416.960684]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  416.966122]  ? addrconf_rs_timer+0x690/0x690
[  416.970524]  ndisc_alloc_skb+0x144/0x340
[  416.974610]  ndisc_send_rs+0x331/0x6e0
[  416.978494]  addrconf_rs_timer+0x314/0x690
[  416.982721]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.986955]  call_timer_fn+0x272/0x920
[  416.990835]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.995056]  ? process_timeout+0x40/0x40
[  416.999119]  ? __run_timers+0x7da/0xc70
[  417.003085]  ? _raw_spin_unlock_irq+0x27/0x80
[  417.007575]  ? _raw_spin_unlock_irq+0x27/0x80
[  417.012053]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  417.016278]  ? lockdep_hardirqs_on+0x296/0x5b0
[  417.020868]  ? trace_hardirqs_on+0xbd/0x310
[  417.025187]  ? kasan_check_read+0x11/0x20
[  417.029320]  ? __run_timers+0x7da/0xc70
[  417.033282]  ? trace_hardirqs_off_caller+0x310/0x310
[  417.038377]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  417.042605]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  417.046831]  __run_timers+0x7e5/0xc70
[  417.050626]  ? timer_fixup_init+0x70/0x70
[  417.054762]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  417.059768]  ? zap_class+0x640/0x640
[  417.063479]  ? enqueue_hrtimer+0x1a5/0x560
[  417.067792]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  417.072988]  ? find_held_lock+0x36/0x1c0
[  417.077045]  ? zap_class+0x640/0x640
[  417.080752]  ? pvclock_read_flags+0x160/0x160
[  417.085235]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.090762]  ? check_preemption_disabled+0x48/0x280
[  417.095777]  ? __lock_is_held+0xb5/0x140
[  417.099831]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.105355]  ? check_preemption_disabled+0x48/0x280
[  417.110371]  run_timer_softirq+0x52/0xb0
[  417.114429]  ? rcu_read_lock_sched_held+0x14f/0x180
[  417.119438]  __do_softirq+0x308/0xb7e
[  417.123229]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  417.127709]  ? lock_downgrade+0x900/0x900
[  417.131854]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  417.136953]  ? pvclock_read_flags+0x160/0x160
[  417.141455]  ? lapic_next_event+0x5a/0x90
[  417.145596]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.151143]  ? kvm_clock_read+0x18/0x30
[  417.155113]  ? kvm_sched_clock_read+0x9/0x20
[  417.159513]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.165041]  ? check_preemption_disabled+0x48/0x280
[  417.170053]  irq_exit+0x17f/0x1c0
[  417.173495]  smp_apic_timer_interrupt+0x1cb/0x760
[  417.178329]  ? smp_reschedule_interrupt+0x109/0x650
[  417.183338]  ? smp_call_function_single_interrupt+0x650/0x650
[  417.189210]  ? interrupt_entry+0xb5/0xc0
[  417.193259]  ? trace_hardirqs_off_caller+0xbb/0x310
[  417.198264]  ? trace_hardirqs_off_caller+0xbb/0x310
[  417.203294]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  417.208128]  ? trace_hardirqs_on_caller+0x310/0x310
[  417.213133]  ? trace_hardirqs_on_caller+0x310/0x310
[  417.218139]  ? task_prio+0x50/0x50
[  417.221669]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.227206]  ? check_preemption_disabled+0x48/0x280
[  417.232222]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  417.237064]  apic_timer_interrupt+0xf/0x20
[  417.241289]  </IRQ>
[  417.243520] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  417.249400] Code: 3e 7e 0f 85 32 ff ff ff e8 03 6a 3d ff e9 28 ff ff ff e8 4a 99 c2 ff 48 83 3d c2 ed 8e 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 ca 05
[  417.268289] RSP: 0018:ffff888198b071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  417.275986] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  417.283242] RDX: 0000000000000000 RSI: ffff8881bbc289c0 RDI: 0000000000000286
[  417.290498] RBP: ffff888198b07250 R08: ffff8881bbc28140 R09: 0000000000000000
[  417.297760] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800940
[  417.305025] R13: ffff8881da800940 R14: 0000000000000000 R15: 0000000000000286
[  417.312298]  ? save_stack+0xa9/0xd0
[  417.315921]  __kmalloc_node_track_caller+0x3c/0x70
[  417.320841]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  417.325588]  pskb_expand_head+0x230/0x10f0
[  417.329826]  ? memcpy+0x45/0x50
[  417.333105]  ? __copy_skb_header+0x350/0x6b0
[  417.337512]  ? skb_release_data+0x9a0/0x9a0
[  417.341826]  ? __alloc_skb+0x770/0x770
[  417.345714]  ? __lock_is_held+0xb5/0x140
[  417.349773]  ? kasan_check_write+0x14/0x20
[  417.354008]  ? __skb_clone+0x6c7/0xa00
[  417.357906]  ? __copy_skb_header+0x6b0/0x6b0
[  417.362304]  ? kmem_cache_alloc+0x33a/0x730
[  417.366622]  skb_ensure_writable+0x3dd/0x640
[  417.371038]  ? skb_checksum_setup+0xaa0/0xaa0
[  417.375526]  ? check_preemption_disabled+0x48/0x280
[  417.380547]  ? __this_cpu_preempt_check+0x1c/0x20
[  417.385386]  ? __bpf_redirect+0x55b/0xb60
[  417.389533]  bpf_clone_redirect+0x14a/0x490
[  417.393859]  bpf_prog_88483476fbe68a28+0x6f0/0x1000
[  417.398870]  ? __sched_text_start+0x8/0x8
[  417.403017]  ? find_held_lock+0x36/0x1c0
[  417.407086]  ? lock_acquire+0x1ed/0x520
[  417.411063]  ? bpf_test_run+0x3ee/0x7a0
[  417.415031]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.420561]  ? check_preemption_disabled+0x48/0x280
[  417.425569]  ? kasan_check_read+0x11/0x20
[  417.429705]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  417.434972]  ? rcu_softirq_qs+0x20/0x20
[  417.438938]  ? preempt_schedule+0x4d/0x60
[  417.443081]  ? ___preempt_schedule+0x16/0x18
[  417.447483]  ? bpf_test_run+0x271/0x7a0
[  417.451458]  ? netlink_diag_dump+0x2a0/0x2a0
[  417.455857]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  417.461382]  ? bpf_test_init.isra.10+0x70/0x100
[  417.466044]  ? bpf_prog_test_run_skb+0x762/0xd90
[  417.470802]  ? bpf_test_finish.isra.9+0x260/0x260
[  417.475660]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  417.481189]  ? fput+0x130/0x1a0
[  417.484464]  ? __bpf_prog_get+0x9b/0x290
[  417.488516]  ? bpf_test_finish.isra.9+0x260/0x260
[  417.493353]  ? __do_sys_bpf+0x1898/0x4570
[  417.497497]  ? bpf_prog_load+0x1db0/0x1db0
[  417.501722]  ? find_held_lock+0x36/0x1c0
[  417.505785]  ? __might_fault+0x12b/0x1e0
[  417.509857]  ? lock_downgrade+0x900/0x900
[  417.514000]  ? lock_release+0xa00/0xa00
[  417.518083]  ? perf_trace_sched_process_exec+0x860/0x860
[  417.523524]  ? posix_ktime_get_ts+0x15/0x20
[  417.527841]  ? trace_hardirqs_off_caller+0x310/0x310
[  417.532963]  ? kasan_check_read+0x11/0x20
[  417.537100]  ? _copy_to_user+0xc8/0x110
[  417.541067]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  417.546592]  ? put_timespec64+0x10f/0x1b0
[  417.550728]  ? nsecs_to_jiffies+0x30/0x30
[  417.554876]  ? trace_hardirqs_off_caller+0x310/0x310
[  417.559978]  ? __x64_sys_bpf+0x73/0xb0
[  417.563872]  ? do_syscall_64+0x1b9/0x820
[  417.567925]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  417.573275]  ? syscall_return_slowpath+0x5e0/0x5e0
[  417.578193]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  417.583029]  ? trace_hardirqs_on_caller+0x310/0x310
[  417.588039]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  417.593046]  ? prepare_exit_to_usermode+0x291/0x3b0
[  417.598053]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  417.602889]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  417.608254] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #181
[  417.608335] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  417.615096] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  417.615100] Call Trace:
[  417.615117]  dump_stack+0x244/0x39d
[  417.615136]  ? dump_stack_print_info.cold.1+0x20/0x20
[  417.621645] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  417.630941]  warn_alloc.cold.116+0xb7/0x1bd
[  417.633491] syz-executor0 cpuset=syz0 mems_allowed=0
[  417.637115]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  417.666931]  ? lock_downgrade+0x900/0x900
[  417.671074]  ? trace_hardirqs_off+0xb8/0x310
[  417.675474]  ? trace_hardirqs_off+0xb8/0x310
[  417.679879]  __alloc_pages_slowpath+0x2651/0x2de0
[  417.684731]  ? warn_alloc+0x120/0x120
[  417.688538]  ? warn_alloc+0x120/0x120
[  417.692327]  ? warn_alloc+0x120/0x120
[  417.696111]  ? trace_hardirqs_off+0xb8/0x310
[  417.700513]  ? print_usage_bug+0xc0/0xc0
[  417.704572]  ? print_usage_bug+0xc0/0xc0
[  417.708637]  ? __lock_acquire+0x62f/0x4c20
[  417.712862]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  417.718388]  ? should_fail+0x22d/0xd01
[  417.722270]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  417.727360]  ? __lock_acquire+0x62f/0x4c20
[  417.731601]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  417.736689]  ? __lock_acquire+0x62f/0x4c20
[  417.740912]  ? should_fail+0x22d/0xd01
[  417.744798]  ? mark_held_locks+0x130/0x130
[  417.749033]  ? mark_held_locks+0x130/0x130
[  417.753263]  ? zap_class+0x640/0x640
[  417.756970]  ? ret_from_fork+0x3a/0x50
[  417.760851]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.766396]  ? check_preemption_disabled+0x48/0x280
[  417.771417]  ? __lock_is_held+0xb5/0x140
[  417.775471]  __alloc_pages_nodemask+0xad8/0xea0
[  417.780133]  ? zap_class+0x640/0x640
[  417.783838]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  417.788847]  ? find_held_lock+0x36/0x1c0
[  417.792903]  ? ____cache_alloc_node+0x1c7/0x1e0
[  417.797563]  ? lock_downgrade+0x900/0x900
[  417.801705]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.807233]  cache_grow_begin+0xa5/0x8c0
[  417.811278]  ? do_raw_spin_unlock+0xa7/0x330
[  417.815681]  fallback_alloc+0x204/0x2e0
[  417.819652]  ____cache_alloc_node+0x1c7/0x1e0
[  417.824141]  kmem_cache_alloc_node+0xe3/0x730
[  417.828624]  ? mark_held_locks+0xc7/0x130
[  417.832774]  __alloc_skb+0x119/0x770
[  417.836478]  ? netdev_alloc_frag+0x1f0/0x1f0
[  417.840871]  ? do_raw_spin_trylock+0x270/0x270
[  417.845439]  ? kmem_cache_alloc_trace+0x353/0x750
[  417.850273]  ? queue_work_on+0x12c/0x1e0
[  417.854330]  ? switchdev_port_obj_del+0xe3/0x450
[  417.859073]  ? switchdev_trans_item_enqueue+0x260/0x260
[  417.864424]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  417.869431]  __br_mdb_notify+0x4ff/0x15d0
[  417.873568]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  417.878665]  ? __br_mdb_add+0x730/0x730
[  417.882646]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  417.887740]  ? debug_object_assert_init+0x368/0x4b0
[  417.892763]  ? debug_object_init_on_stack+0x20/0x20
[  417.897863]  br_mdb_notify+0x310/0x410
[  417.901750]  ? br_mdb_dump+0x25e0/0x25e0
[  417.905814]  br_multicast_del_pg+0x380/0x6d0
[  417.910214]  ? br_mdb_ip_get+0xe00/0xe00
[  417.914261]  ? rwlock_bug.part.2+0x90/0x90
[  417.918495]  ? __lock_is_held+0xb5/0x140
[  417.922553]  br_multicast_port_group_expired+0x189/0x1e0
[  417.928004]  call_timer_fn+0x272/0x920
[  417.931891]  ? br_multicast_del_pg+0x6d0/0x6d0
[  417.936463]  ? process_timeout+0x40/0x40
[  417.940518]  ? __run_timers+0x7da/0xc70
[  417.944484]  ? _raw_spin_unlock_irq+0x27/0x80
[  417.948970]  ? _raw_spin_unlock_irq+0x27/0x80
[  417.953455]  ? br_multicast_del_pg+0x6d0/0x6d0
[  417.958039]  ? lockdep_hardirqs_on+0x296/0x5b0
[  417.962609]  ? trace_hardirqs_on+0xbd/0x310
[  417.966918]  ? kasan_check_read+0x11/0x20
[  417.971061]  ? __run_timers+0x7da/0xc70
[  417.975047]  ? trace_hardirqs_off_caller+0x310/0x310
[  417.980148]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  417.984378]  ? br_multicast_del_pg+0x6d0/0x6d0
[  417.988948]  __run_timers+0x7e5/0xc70
[  417.992762]  ? timer_fixup_init+0x70/0x70
[  417.996899]  ? _raw_spin_unlock_irq+0x27/0x80
[  418.001383]  ? _raw_spin_unlock_irq+0x27/0x80
[  418.005867]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  418.010437]  ? trace_hardirqs_on+0xbd/0x310
[  418.014750]  ? kasan_check_read+0x11/0x20
[  418.018889]  ? finish_task_switch+0x1f4/0x910
[  418.023376]  ? trace_hardirqs_off_caller+0x310/0x310
[  418.028465]  ? compat_start_thread+0x80/0x80
[  418.032877]  ? pvclock_read_flags+0x160/0x160
[  418.037357]  ? __switch_to_asm+0x34/0x70
[  418.041406]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.047055]  ? check_preemption_disabled+0x48/0x280
[  418.052067]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  418.057596]  ? rcu_pm_notify+0xc0/0xc0
[  418.061471]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.067001]  ? check_preemption_disabled+0x48/0x280
[  418.072015]  run_timer_softirq+0x52/0xb0
[  418.076068]  ? rcu_read_lock_sched_held+0x14f/0x180
[  418.081073]  __do_softirq+0x308/0xb7e
[  418.084878]  ? retint_kernel+0x2d/0x2d
[  418.088763]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  418.093850]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  418.099286]  ? rcu_irq_enter+0x18c/0x310
[  418.103338]  ? schedule+0x108/0x460
[  418.106960]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  418.111720]  ? trace_hardirqs_off+0xb8/0x310
[  418.116122]  ? smpboot_thread_fn+0x68b/0xa00
[  418.120534]  ? trace_hardirqs_on+0x310/0x310
[  418.124933]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  418.130458]  ? check_preemption_disabled+0x48/0x280
[  418.135467]  ? takeover_tasklets+0xa90/0xa90
[  418.139866]  run_ksoftirqd+0x5e/0x100
[  418.143658]  smpboot_thread_fn+0x68b/0xa00
[  418.147883]  ? sort_range+0x30/0x30
[  418.151503]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  418.156597]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  418.162136]  ? __kthread_parkme+0xfb/0x1a0
[  418.166365]  ? sort_range+0x30/0x30
[  418.169990]  kthread+0x35a/0x440
[  418.173343]  ? kthread_stop+0x900/0x900
[  418.177307]  ret_from_fork+0x3a/0x50
[  418.181024] CPU: 1 PID: 16176 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #181
[  418.181046] warn_alloc_show_mem: 1 callbacks suppressed
[  418.181050] Mem-Info:
[  418.188373] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  418.193730] active_anon:54949 inactive_anon:10067 isolated_anon:0
[  418.193730]  active_file:12 inactive_file:12 isolated_file:0
[  418.193730]  unevictable:0 dirty:0 writeback:0 unstable:0
[  418.193730]  slab_reclaimable:9454 slab_unreclaimable:1442611
[  418.193730]  mapped:40962 shmem:10230 pagetables:596 bounce:0
[  418.193730]  free:13765 free_pcp:525 free_cma:0
[  418.196095] Call Trace:
[  418.205490] Node 0 active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:40920kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 202752kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  418.238673]  <IRQ>
[  418.241231] 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
[  418.269057]  dump_stack+0x244/0x39d
[  418.271181] lowmem_reserve[]: 0 2818 6321 6321
[  418.297274]  ? dump_stack_print_info.cold.1+0x20/0x20
[  418.300867] Node 0 DMA32 free:25248kB 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:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  418.305441]  warn_alloc.cold.116+0xb7/0x1bd
[  418.310769] lowmem_reserve[]: 0 0 3503 3503
[  418.338084]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  418.342370] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2384kB bounce:0kB free_pcp:1852kB local_pcp:1500kB free_cma:0kB
[  418.346673]  ? lock_downgrade+0x900/0x900
[  418.351481] lowmem_reserve[]: 0 0 0 0
[  418.380701]  ? trace_hardirqs_off+0xb8/0x310
[  418.384820] 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
[  418.388604]  ? trace_hardirqs_off+0xb8/0x310
[  418.392988] Node 0 DMA32: 4*4kB (UM) 0*8kB 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB
[  418.406501]  __alloc_pages_slowpath+0x2651/0x2de0
[  418.410881] Node 0 Normal: 1308*4kB (ME) 392*8kB (UME) 140*16kB (ME) 47*32kB (ME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  418.425808]  ? warn_alloc+0x120/0x120
[  418.430612] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  418.445239]  ? print_usage_bug+0xc0/0xc0
[  418.449136] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  418.457943]  ? warn_alloc+0x120/0x120
[  418.461972] 10254 total pagecache pages
[  418.470525]  ? warn_alloc+0x120/0x120
[  418.474314] 0 pages in swap cache
[  418.478790]  ? print_usage_bug+0xc0/0xc0
[  418.482578] Swap cache stats: add 0, delete 0, find 0/0
[  418.486026]  ? print_usage_bug+0xc0/0xc0
[  418.490050] Free swap  = 0kB
[  418.495391]  ? __lock_acquire+0x62f/0x4c20
[  418.499418] Total swap = 0kB
[  418.502420]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  418.506616] 1965979 pages RAM
[  418.509615]  ? should_fail+0x22d/0xd01
[  418.515114] 0 pages HighMem/MovableOnly
[  418.518208]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  418.522076] 342853 pages reserved
[  418.522082] 0 pages cma reserved
[  418.526038]  ? __lock_acquire+0x62f/0x4c20
[  418.531264] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  418.534565]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  418.537905] ksoftirqd/0 cpuset=/ mems_allowed=0
[  418.542118]  ? __lock_acquire+0x62f/0x4c20
[  418.542132]  ? should_fail+0x22d/0xd01
[  418.570222]  ? find_held_lock+0x36/0x1c0
[  418.574283]  ? mark_held_locks+0x130/0x130
[  418.578510]  ? mark_held_locks+0x130/0x130
[  418.582737]  ? zap_class+0x640/0x640
[  418.586444]  ? zap_class+0x640/0x640
[  418.590152]  ? print_usage_bug+0xc0/0xc0
[  418.594197]  ? do_raw_spin_unlock+0xa7/0x330
[  418.598607]  ? zap_class+0x640/0x640
[  418.602321]  ? print_usage_bug+0xc0/0xc0
[  418.606377]  ? wq_watchdog_touch+0x9c/0xfe
[  418.610616]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.616155]  ? check_preemption_disabled+0x48/0x280
[  418.621187]  ? __lock_is_held+0xb5/0x140
[  418.625241]  __alloc_pages_nodemask+0xad8/0xea0
[  418.629900]  ? zap_class+0x640/0x640
[  418.633610]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  418.638627]  ? find_held_lock+0x36/0x1c0
[  418.642684]  ? ____cache_alloc_node+0x1c7/0x1e0
[  418.647362]  ? lock_downgrade+0x900/0x900
[  418.651508]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.657052]  cache_grow_begin+0xa5/0x8c0
[  418.661101]  ? do_raw_spin_unlock+0xa7/0x330
[  418.665503]  fallback_alloc+0x204/0x2e0
[  418.669474]  ____cache_alloc_node+0x1c7/0x1e0
[  418.673970]  kmem_cache_alloc_node+0xe3/0x730
[  418.678466]  ? ipv6_get_ifaddr+0x42e/0x620
[  418.682709]  __alloc_skb+0x119/0x770
[  418.686413]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  418.691692]  ? netdev_alloc_frag+0x1f0/0x1f0
[  418.696090]  ? lock_downgrade+0x900/0x900
[  418.700236]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.705771]  ? refcount_sub_and_test_checked+0x203/0x310
[  418.711213]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  418.716669]  ? addrconf_rs_timer+0x690/0x690
[  418.721088]  ndisc_alloc_skb+0x144/0x340
[  418.725145]  ndisc_send_rs+0x331/0x6e0
[  418.729025]  addrconf_rs_timer+0x314/0x690
[  418.733249]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.737482]  call_timer_fn+0x272/0x920
[  418.741358]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.745581]  ? process_timeout+0x40/0x40
[  418.749635]  ? __run_timers+0x7da/0xc70
[  418.753598]  ? _raw_spin_unlock_irq+0x27/0x80
[  418.758083]  ? _raw_spin_unlock_irq+0x27/0x80
[  418.762574]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.766799]  ? lockdep_hardirqs_on+0x296/0x5b0
[  418.771373]  ? trace_hardirqs_on+0xbd/0x310
[  418.775687]  ? kasan_check_read+0x11/0x20
[  418.779822]  ? __run_timers+0x7da/0xc70
[  418.783783]  ? trace_hardirqs_off_caller+0x310/0x310
[  418.788891]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.793115]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.797345]  __run_timers+0x7e5/0xc70
[  418.801141]  ? timer_fixup_init+0x70/0x70
[  418.805282]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  418.810292]  ? zap_class+0x640/0x640
[  418.814002]  ? enqueue_hrtimer+0x1a5/0x560
[  418.818230]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  418.823459]  ? find_held_lock+0x36/0x1c0
[  418.827519]  ? zap_class+0x640/0x640
[  418.831230]  ? pvclock_read_flags+0x160/0x160
[  418.835745]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.841269]  ? check_preemption_disabled+0x48/0x280
[  418.846278]  ? __lock_is_held+0xb5/0x140
[  418.850330]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.855865]  ? check_preemption_disabled+0x48/0x280
[  418.860891]  run_timer_softirq+0x52/0xb0
[  418.864939]  ? rcu_read_lock_sched_held+0x14f/0x180
[  418.869942]  __do_softirq+0x308/0xb7e
[  418.873734]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  418.878213]  ? lock_downgrade+0x900/0x900
[  418.882377]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  418.887484]  ? pvclock_read_flags+0x160/0x160
[  418.891970]  ? lapic_next_event+0x5a/0x90
[  418.896106]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.901638]  ? kvm_clock_read+0x18/0x30
[  418.905605]  ? kvm_sched_clock_read+0x9/0x20
[  418.910011]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.915542]  ? check_preemption_disabled+0x48/0x280
[  418.920560]  irq_exit+0x17f/0x1c0
[  418.924008]  smp_apic_timer_interrupt+0x1cb/0x760
[  418.928838]  ? smp_reschedule_interrupt+0x109/0x650
[  418.933930]  ? smp_call_function_single_interrupt+0x650/0x650
[  418.939804]  ? interrupt_entry+0xb5/0xc0
[  418.943858]  ? trace_hardirqs_off_caller+0xbb/0x310
[  418.948863]  ? trace_hardirqs_off_caller+0xbb/0x310
[  418.953873]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  418.958702]  ? trace_hardirqs_on_caller+0x310/0x310
[  418.963709]  ? trace_hardirqs_on_caller+0x310/0x310
[  418.968717]  ? task_prio+0x50/0x50
[  418.972250]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.977779]  ? check_preemption_disabled+0x48/0x280
[  418.982789]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  418.987631]  apic_timer_interrupt+0xf/0x20
[  418.991850]  </IRQ>
[  418.994077] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  418.999951] Code: 3e 7e 0f 85 32 ff ff ff e8 03 6a 3d ff e9 28 ff ff ff e8 4a 99 c2 ff 48 83 3d c2 ed 8e 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 ca 05
[  419.018840] RSP: 0018:ffff888198b071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  419.026552] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  419.033810] RDX: 0000000000000000 RSI: ffff8881bbc289c0 RDI: 0000000000000286
[  419.041073] RBP: ffff888198b07250 R08: ffff8881bbc28140 R09: 0000000000000000
[  419.048332] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800940
[  419.055591] R13: ffff8881da800940 R14: 0000000000000000 R15: 0000000000000286
[  419.062874]  ? save_stack+0xa9/0xd0
[  419.066504]  __kmalloc_node_track_caller+0x3c/0x70
[  419.071433]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  419.076181]  pskb_expand_head+0x230/0x10f0
[  419.080407]  ? memcpy+0x45/0x50
[  419.083687]  ? __copy_skb_header+0x350/0x6b0
[  419.088088]  ? skb_release_data+0x9a0/0x9a0
[  419.092400]  ? __alloc_skb+0x770/0x770
[  419.096282]  ? __lock_is_held+0xb5/0x140
[  419.100337]  ? kasan_check_write+0x14/0x20
[  419.104561]  ? __skb_clone+0x6c7/0xa00
[  419.108444]  ? __copy_skb_header+0x6b0/0x6b0
[  419.112840]  ? kmem_cache_alloc+0x33a/0x730
[  419.117156]  skb_ensure_writable+0x3dd/0x640
[  419.121555]  ? skb_checksum_setup+0xaa0/0xaa0
[  419.126040]  ? check_preemption_disabled+0x48/0x280
[  419.131049]  ? __this_cpu_preempt_check+0x1c/0x20
[  419.135877]  ? __bpf_redirect+0x55b/0xb60
[  419.140018]  bpf_clone_redirect+0x14a/0x490
[  419.144353]  bpf_prog_88483476fbe68a28+0x6f0/0x1000
[  419.149362]  ? __sched_text_start+0x8/0x8
[  419.153505]  ? find_held_lock+0x36/0x1c0
[  419.157575]  ? lock_acquire+0x1ed/0x520
[  419.161534]  ? bpf_test_run+0x3ee/0x7a0
[  419.165497]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.171028]  ? check_preemption_disabled+0x48/0x280
[  419.176040]  ? kasan_check_read+0x11/0x20
[  419.180177]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  419.185443]  ? rcu_softirq_qs+0x20/0x20
[  419.189413]  ? preempt_schedule+0x4d/0x60
[  419.193549]  ? ___preempt_schedule+0x16/0x18
[  419.197953]  ? bpf_test_run+0x271/0x7a0
[  419.201933]  ? netlink_diag_dump+0x2a0/0x2a0
[  419.206335]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.211869]  ? bpf_test_init.isra.10+0x70/0x100
[  419.216548]  ? bpf_prog_test_run_skb+0x762/0xd90
[  419.221304]  ? bpf_test_finish.isra.9+0x260/0x260
[  419.226135]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  419.231665]  ? fput+0x130/0x1a0
[  419.234935]  ? __bpf_prog_get+0x9b/0x290
[  419.238992]  ? bpf_test_finish.isra.9+0x260/0x260
[  419.243821]  ? __do_sys_bpf+0x1898/0x4570
[  419.247959]  ? bpf_prog_load+0x1db0/0x1db0
[  419.252199]  ? find_held_lock+0x36/0x1c0
[  419.256257]  ? __might_fault+0x12b/0x1e0
[  419.260308]  ? lock_downgrade+0x900/0x900
[  419.264469]  ? lock_release+0xa00/0xa00
[  419.268505]  ? perf_trace_sched_process_exec+0x860/0x860
[  419.273944]  ? posix_ktime_get_ts+0x15/0x20
[  419.278251]  ? trace_hardirqs_off_caller+0x310/0x310
[  419.283358]  ? kasan_check_read+0x11/0x20
[  419.287493]  ? _copy_to_user+0xc8/0x110
[  419.291461]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.296989]  ? put_timespec64+0x10f/0x1b0
[  419.301132]  ? nsecs_to_jiffies+0x30/0x30
[  419.305283]  ? trace_hardirqs_off_caller+0x310/0x310
[  419.310394]  ? __x64_sys_bpf+0x73/0xb0
[  419.314283]  ? do_syscall_64+0x1b9/0x820
[  419.318339]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  419.323696]  ? syscall_return_slowpath+0x5e0/0x5e0
[  419.328613]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  419.333453]  ? trace_hardirqs_on_caller+0x310/0x310
[  419.338460]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  419.343469]  ? prepare_exit_to_usermode+0x291/0x3b0
[  419.348482]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  419.353323]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  419.358692] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #181
[  419.358757] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  419.365521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  419.365525] Call Trace:
[  419.365541]  dump_stack+0x244/0x39d
[  419.365561]  ? dump_stack_print_info.cold.1+0x20/0x20
[  419.372075] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  419.381370]  warn_alloc.cold.116+0xb7/0x1bd
[  419.383916] syz-executor0 cpuset=syz0 mems_allowed=0
[  419.387524]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  419.417368]  ? lock_downgrade+0x900/0x900
[  419.421510]  ? trace_hardirqs_off+0xb8/0x310
[  419.425914]  ? trace_hardirqs_off+0xb8/0x310
[  419.430319]  __alloc_pages_slowpath+0x2651/0x2de0
[  419.435177]  ? warn_alloc+0x120/0x120
[  419.438975]  ? warn_alloc+0x120/0x120
[  419.442771]  ? warn_alloc+0x120/0x120
[  419.446562]  ? trace_hardirqs_off+0xb8/0x310
[  419.450962]  ? print_usage_bug+0xc0/0xc0
[  419.455027]  ? print_usage_bug+0xc0/0xc0
[  419.459081]  ? __lock_acquire+0x62f/0x4c20
[  419.463306]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.468831]  ? should_fail+0x22d/0xd01
[  419.472726]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  419.477822]  ? __lock_acquire+0x62f/0x4c20
[  419.482071]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  419.487163]  ? __lock_acquire+0x62f/0x4c20
[  419.491387]  ? should_fail+0x22d/0xd01
[  419.495275]  ? mark_held_locks+0x130/0x130
[  419.499503]  ? mark_held_locks+0x130/0x130
[  419.503733]  ? zap_class+0x640/0x640
[  419.507434]  ? ret_from_fork+0x3a/0x50
[  419.511311]  ? __lock_acquire+0x62f/0x4c20
[  419.515542]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.521075]  ? check_preemption_disabled+0x48/0x280
[  419.526085]  ? __lock_is_held+0xb5/0x140
[  419.530138]  __alloc_pages_nodemask+0xad8/0xea0
[  419.534801]  ? zap_class+0x640/0x640
[  419.538507]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  419.543519]  ? find_held_lock+0x36/0x1c0
[  419.547574]  ? ____cache_alloc_node+0x1c7/0x1e0
[  419.552232]  ? lock_downgrade+0x900/0x900
[  419.556377]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.561912]  cache_grow_begin+0xa5/0x8c0
[  419.565961]  ? do_raw_spin_unlock+0xa7/0x330
[  419.570361]  fallback_alloc+0x204/0x2e0
[  419.574329]  ____cache_alloc_node+0x1c7/0x1e0
[  419.578818]  kmem_cache_alloc_node+0xe3/0x730
[  419.583297]  ? mark_held_locks+0xc7/0x130
[  419.587441]  __alloc_skb+0x119/0x770
[  419.591144]  ? netdev_alloc_frag+0x1f0/0x1f0
[  419.595543]  ? do_raw_spin_trylock+0x270/0x270
[  419.600116]  ? kmem_cache_alloc_trace+0x353/0x750
[  419.604951]  ? queue_work_on+0x12c/0x1e0
[  419.609008]  ? switchdev_port_obj_del+0xe3/0x450
[  419.613751]  ? switchdev_trans_item_enqueue+0x260/0x260
[  419.619104]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  419.624136]  __br_mdb_notify+0x4ff/0x15d0
[  419.628275]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  419.633375]  ? __br_mdb_add+0x730/0x730
[  419.637345]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  419.642436]  ? debug_object_assert_init+0x368/0x4b0
[  419.647444]  ? debug_object_init_on_stack+0x20/0x20
[  419.652456]  br_mdb_notify+0x310/0x410
[  419.656334]  ? br_mdb_dump+0x25e0/0x25e0
[  419.660393]  br_multicast_del_pg+0x380/0x6d0
[  419.664792]  ? br_mdb_ip_get+0xe00/0xe00
[  419.668841]  ? rwlock_bug.part.2+0x90/0x90
[  419.673069]  ? __lock_is_held+0xb5/0x140
[  419.677123]  br_multicast_port_group_expired+0x189/0x1e0
[  419.682566]  call_timer_fn+0x272/0x920
[  419.686448]  ? br_multicast_del_pg+0x6d0/0x6d0
[  419.691017]  ? process_timeout+0x40/0x40
[  419.695071]  ? __run_timers+0x7da/0xc70
[  419.699037]  ? _raw_spin_unlock_irq+0x27/0x80
[  419.703519]  ? _raw_spin_unlock_irq+0x27/0x80
[  419.708021]  ? br_multicast_del_pg+0x6d0/0x6d0
[  419.712603]  ? lockdep_hardirqs_on+0x296/0x5b0
[  419.717179]  ? trace_hardirqs_on+0xbd/0x310
[  419.721490]  ? kasan_check_read+0x11/0x20
[  419.725629]  ? __run_timers+0x7da/0xc70
[  419.729598]  ? trace_hardirqs_off_caller+0x310/0x310
[  419.734714]  ? br_multicast_del_pg+0x6d0/0x6d0
[  419.739288]  ? br_multicast_del_pg+0x6d0/0x6d0
[  419.743853]  __run_timers+0x7e5/0xc70
[  419.747650]  ? timer_fixup_init+0x70/0x70
[  419.751787]  ? _raw_spin_unlock_irq+0x27/0x80
[  419.756268]  ? _raw_spin_unlock_irq+0x27/0x80
[  419.760751]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  419.765323]  ? trace_hardirqs_on+0xbd/0x310
[  419.769637]  ? kasan_check_read+0x11/0x20
[  419.773803]  ? finish_task_switch+0x1f4/0x910
[  419.778288]  ? trace_hardirqs_off_caller+0x310/0x310
[  419.783391]  ? compat_start_thread+0x80/0x80
[  419.787809]  ? pvclock_read_flags+0x160/0x160
[  419.792293]  ? __switch_to_asm+0x34/0x70
[  419.796344]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.801893]  ? check_preemption_disabled+0x48/0x280
[  419.806918]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  419.812455]  ? rcu_pm_notify+0xc0/0xc0
[  419.816336]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.821873]  ? check_preemption_disabled+0x48/0x280
[  419.826887]  run_timer_softirq+0x52/0xb0
[  419.830935]  ? rcu_read_lock_sched_held+0x14f/0x180
[  419.835954]  __do_softirq+0x308/0xb7e
[  419.839743]  ? retint_kernel+0x2d/0x2d
[  419.843627]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  419.848715]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  419.854167]  ? rcu_irq_enter+0x18c/0x310
[  419.858219]  ? schedule+0x108/0x460
[  419.861837]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  419.866589]  ? trace_hardirqs_off+0xb8/0x310
[  419.871010]  ? smpboot_thread_fn+0x68b/0xa00
[  419.875409]  ? trace_hardirqs_on+0x310/0x310
[  419.879807]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.885332]  ? check_preemption_disabled+0x48/0x280
[  419.890338]  ? takeover_tasklets+0xa90/0xa90
[  419.894744]  run_ksoftirqd+0x5e/0x100
[  419.898544]  smpboot_thread_fn+0x68b/0xa00
[  419.902769]  ? sort_range+0x30/0x30
[  419.906385]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  419.911476]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.917002]  ? __kthread_parkme+0xfb/0x1a0
[  419.921229]  ? sort_range+0x30/0x30
[  419.924844]  kthread+0x35a/0x440
[  419.928200]  ? kthread_stop+0x900/0x900
[  419.932167]  ret_from_fork+0x3a/0x50
[  419.935890] CPU: 1 PID: 16176 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #181
[  419.935894] warn_alloc_show_mem: 1 callbacks suppressed
[  419.935899] Mem-Info:
[  419.943239] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  419.948600] active_anon:54949 inactive_anon:10067 isolated_anon:0
[  419.948600]  active_file:12 inactive_file:12 isolated_file:0
[  419.948600]  unevictable:0 dirty:0 writeback:0 unstable:0
[  419.948600]  slab_reclaimable:9454 slab_unreclaimable:1442611
[  419.948600]  mapped:40962 shmem:10230 pagetables:596 bounce:0
[  419.948600]  free:13765 free_pcp:525 free_cma:0
[  419.950960] Call Trace:
[  419.960332] Node 0 active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:40920kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 202752kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  419.993513]  <IRQ>
[  419.996072] 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
[  420.023903]  dump_stack+0x244/0x39d
[  420.026018] lowmem_reserve[]: 0 2818 6321 6321
[  420.052116]  ? dump_stack_print_info.cold.1+0x20/0x20
[  420.055708] Node 0 DMA32 free:25248kB 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:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  420.060307]  warn_alloc.cold.116+0xb7/0x1bd
[  420.065453] lowmem_reserve[]: 0 0 3503 3503
[  420.092763]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  420.097051] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2384kB bounce:0kB free_pcp:1852kB local_pcp:1500kB free_cma:0kB
[  420.101355]  ? lock_downgrade+0x900/0x900
[  420.106165] lowmem_reserve[]: 0 0 0 0
[  420.135479]  ? trace_hardirqs_off+0xb8/0x310
[  420.139607] 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
[  420.143391]  ? trace_hardirqs_off+0xb8/0x310
[  420.147770] Node 0 DMA32: 4*4kB (UM) 0*8kB 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB
[  420.161395]  __alloc_pages_slowpath+0x2651/0x2de0
[  420.165767] Node 0 Normal: 1308*4kB (ME) 392*8kB (UME) 140*16kB (ME) 47*32kB (ME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  420.180678]  ? warn_alloc+0x120/0x120
[  420.185475] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  420.200123]  ? print_usage_bug+0xc0/0xc0
[  420.203893] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  420.212720]  ? warn_alloc+0x120/0x120
[  420.216748] 10254 total pagecache pages
[  420.225303]  ? warn_alloc+0x120/0x120
[  420.229079] 0 pages in swap cache
[  420.233028]  ? print_usage_bug+0xc0/0xc0
[  420.236797] Swap cache stats: add 0, delete 0, find 0/0
[  420.240229]  ? print_usage_bug+0xc0/0xc0
[  420.244256] Free swap  = 0kB
[  420.249606]  ? __lock_acquire+0x62f/0x4c20
[  420.253678] Total swap = 0kB
[  420.256688]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  420.260887] 1965979 pages RAM
[  420.263885]  ? should_fail+0x22d/0xd01
[  420.269389] 0 pages HighMem/MovableOnly
[  420.272474]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  420.276324] 342853 pages reserved
[  420.280281]  ? __lock_acquire+0x62f/0x4c20
[  420.285350] 0 pages cma reserved
[  420.288782]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  420.293114] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  420.296323]  ? __lock_acquire+0x62f/0x4c20
[  420.296341]  ? should_fail+0x22d/0xd01
[  420.301410] ksoftirqd/0 cpuset=/ mems_allowed=0
[  420.311841]  ? find_held_lock+0x36/0x1c0
[  420.311858]  ? mark_held_locks+0x130/0x130
[  420.332837]  ? mark_held_locks+0x130/0x130
[  420.337056]  ? zap_class+0x640/0x640
[  420.340755]  ? zap_class+0x640/0x640
[  420.344456]  ? print_usage_bug+0xc0/0xc0
[  420.348501]  ? do_raw_spin_unlock+0xa7/0x330
[  420.352895]  ? zap_class+0x640/0x640
[  420.356617]  ? print_usage_bug+0xc0/0xc0
[  420.360685]  ? wq_watchdog_touch+0x9c/0xfe
[  420.364917]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.370446]  ? check_preemption_disabled+0x48/0x280
[  420.375469]  ? __lock_is_held+0xb5/0x140
[  420.379522]  __alloc_pages_nodemask+0xad8/0xea0
[  420.384180]  ? zap_class+0x640/0x640
[  420.387887]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  420.392898]  ? find_held_lock+0x36/0x1c0
[  420.396956]  ? ____cache_alloc_node+0x1c7/0x1e0
[  420.401610]  ? lock_downgrade+0x900/0x900
[  420.405750]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.411276]  cache_grow_begin+0xa5/0x8c0
[  420.415328]  ? do_raw_spin_unlock+0xa7/0x330
[  420.419734]  fallback_alloc+0x204/0x2e0
[  420.423706]  ____cache_alloc_node+0x1c7/0x1e0
[  420.428189]  kmem_cache_alloc_node+0xe3/0x730
[  420.432672]  ? ipv6_get_ifaddr+0x42e/0x620
[  420.436907]  __alloc_skb+0x119/0x770
[  420.440606]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  420.445872]  ? netdev_alloc_frag+0x1f0/0x1f0
[  420.450267]  ? lock_downgrade+0x900/0x900
[  420.454406]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.459934]  ? refcount_sub_and_test_checked+0x203/0x310
[  420.465380]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  420.470851]  ? addrconf_rs_timer+0x690/0x690
[  420.475258]  ndisc_alloc_skb+0x144/0x340
[  420.479802]  ndisc_send_rs+0x331/0x6e0
[  420.483684]  addrconf_rs_timer+0x314/0x690
[  420.487996]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  420.492230]  call_timer_fn+0x272/0x920
[  420.496106]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  420.500331]  ? process_timeout+0x40/0x40
[  420.504389]  ? __run_timers+0x7da/0xc70
[  420.508362]  ? _raw_spin_unlock_irq+0x27/0x80
[  420.512846]  ? _raw_spin_unlock_irq+0x27/0x80
[  420.517335]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  420.521573]  ? lockdep_hardirqs_on+0x296/0x5b0
[  420.526144]  ? trace_hardirqs_on+0xbd/0x310
[  420.530458]  ? kasan_check_read+0x11/0x20
[  420.534611]  ? __run_timers+0x7da/0xc70
[  420.538582]  ? trace_hardirqs_off_caller+0x310/0x310
[  420.543677]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  420.547902]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  420.552122]  __run_timers+0x7e5/0xc70
[  420.555927]  ? timer_fixup_init+0x70/0x70
[  420.560062]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  420.565067]  ? zap_class+0x640/0x640
[  420.568768]  ? enqueue_hrtimer+0x1a5/0x560
[  420.573000]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  420.578179]  ? find_held_lock+0x36/0x1c0
[  420.582235]  ? zap_class+0x640/0x640
[  420.585939]  ? pvclock_read_flags+0x160/0x160
[  420.590423]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.595969]  ? check_preemption_disabled+0x48/0x280
[  420.600977]  ? __lock_is_held+0xb5/0x140
[  420.605030]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.610561]  ? check_preemption_disabled+0x48/0x280
[  420.615575]  run_timer_softirq+0x52/0xb0
[  420.619628]  ? rcu_read_lock_sched_held+0x14f/0x180
[  420.624638]  __do_softirq+0x308/0xb7e
[  420.628461]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  420.632940]  ? lock_downgrade+0x900/0x900
[  420.637079]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  420.642174]  ? pvclock_read_flags+0x160/0x160
[  420.646659]  ? lapic_next_event+0x5a/0x90
[  420.650793]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.656323]  ? kvm_clock_read+0x18/0x30
[  420.660285]  ? kvm_sched_clock_read+0x9/0x20
[  420.664687]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.670212]  ? check_preemption_disabled+0x48/0x280
[  420.675222]  irq_exit+0x17f/0x1c0
[  420.678664]  smp_apic_timer_interrupt+0x1cb/0x760
[  420.683495]  ? smp_reschedule_interrupt+0x109/0x650
[  420.688507]  ? smp_call_function_single_interrupt+0x650/0x650
[  420.694377]  ? interrupt_entry+0xb5/0xc0
[  420.698426]  ? trace_hardirqs_off_caller+0xbb/0x310
[  420.703429]  ? trace_hardirqs_off_caller+0xbb/0x310
[  420.708432]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  420.713264]  ? trace_hardirqs_on_caller+0x310/0x310
[  420.718263]  ? trace_hardirqs_on_caller+0x310/0x310
[  420.723271]  ? task_prio+0x50/0x50
[  420.726798]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.732327]  ? check_preemption_disabled+0x48/0x280
[  420.737348]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  420.742183]  apic_timer_interrupt+0xf/0x20
[  420.746402]  </IRQ>
[  420.748629] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  420.754502] Code: 3e 7e 0f 85 32 ff ff ff e8 03 6a 3d ff e9 28 ff ff ff e8 4a 99 c2 ff 48 83 3d c2 ed 8e 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 ca 05
[  420.773390] RSP: 0018:ffff888198b071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  420.781084] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  420.788348] RDX: 0000000000000000 RSI: ffff8881bbc289c0 RDI: 0000000000000286
[  420.795602] RBP: ffff888198b07250 R08: ffff8881bbc28140 R09: 0000000000000000
[  420.802858] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800940
[  420.810127] R13: ffff8881da800940 R14: 0000000000000000 R15: 0000000000000286
[  420.817399]  ? save_stack+0xa9/0xd0
[  420.821019]  __kmalloc_node_track_caller+0x3c/0x70
[  420.825940]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  420.830691]  pskb_expand_head+0x230/0x10f0
[  420.834915]  ? memcpy+0x45/0x50
[  420.838182]  ? __copy_skb_header+0x350/0x6b0
[  420.842580]  ? skb_release_data+0x9a0/0x9a0
[  420.846886]  ? __alloc_skb+0x770/0x770
[  420.850770]  ? __lock_is_held+0xb5/0x140
[  420.854821]  ? kasan_check_write+0x14/0x20
[  420.859039]  ? __skb_clone+0x6c7/0xa00
[  420.862913]  ? __copy_skb_header+0x6b0/0x6b0
[  420.867394]  ? kmem_cache_alloc+0x33a/0x730
[  420.871709]  skb_ensure_writable+0x3dd/0x640
[  420.876114]  ? skb_checksum_setup+0xaa0/0xaa0
[  420.880608]  ? check_preemption_disabled+0x48/0x280
[  420.885617]  ? __this_cpu_preempt_check+0x1c/0x20
[  420.890446]  ? __bpf_redirect+0x55b/0xb60
[  420.894584]  bpf_clone_redirect+0x14a/0x490
[  420.898917]  bpf_prog_88483476fbe68a28+0x6f0/0x1000
[  420.903922]  ? __sched_text_start+0x8/0x8
[  420.908063]  ? find_held_lock+0x36/0x1c0
[  420.912114]  ? lock_acquire+0x1ed/0x520
[  420.916078]  ? bpf_test_run+0x3ee/0x7a0
[  420.920039]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.925561]  ? check_preemption_disabled+0x48/0x280
[  420.930565]  ? kasan_check_read+0x11/0x20
[  420.934700]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  420.940062]  ? rcu_softirq_qs+0x20/0x20
[  420.944023]  ? preempt_schedule+0x4d/0x60
[  420.948160]  ? ___preempt_schedule+0x16/0x18
[  420.952562]  ? bpf_test_run+0x271/0x7a0
[  420.956537]  ? netlink_diag_dump+0x2a0/0x2a0
[  420.960938]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  420.966465]  ? bpf_test_init.isra.10+0x70/0x100
[  420.971123]  ? bpf_prog_test_run_skb+0x762/0xd90
[  420.975886]  ? bpf_test_finish.isra.9+0x260/0x260
[  420.980721]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  420.986246]  ? fput+0x130/0x1a0
[  420.989519]  ? __bpf_prog_get+0x9b/0x290
[  420.993575]  ? bpf_test_finish.isra.9+0x260/0x260
[  420.998402]  ? __do_sys_bpf+0x1898/0x4570
[  421.002543]  ? bpf_prog_load+0x1db0/0x1db0
[  421.006763]  ? find_held_lock+0x36/0x1c0
[  421.010816]  ? __might_fault+0x12b/0x1e0
[  421.014864]  ? lock_downgrade+0x900/0x900
[  421.019015]  ? lock_release+0xa00/0xa00
[  421.022976]  ? perf_trace_sched_process_exec+0x860/0x860
[  421.028425]  ? posix_ktime_get_ts+0x15/0x20
[  421.032734]  ? trace_hardirqs_off_caller+0x310/0x310
[  421.037839]  ? kasan_check_read+0x11/0x20
[  421.041985]  ? _copy_to_user+0xc8/0x110
[  421.045954]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  421.051480]  ? put_timespec64+0x10f/0x1b0
[  421.055620]  ? nsecs_to_jiffies+0x30/0x30
[  421.059771]  ? trace_hardirqs_off_caller+0x310/0x310
[  421.064872]  ? __x64_sys_bpf+0x73/0xb0
[  421.068748]  ? do_syscall_64+0x1b9/0x820
[  421.072797]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  421.078148]  ? syscall_return_slowpath+0x5e0/0x5e0
[  421.083064]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  421.087912]  ? trace_hardirqs_on_caller+0x310/0x310
[  421.092917]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  421.097920]  ? prepare_exit_to_usermode+0x291/0x3b0
[  421.102932]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  421.107767]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  421.113136] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #181
[  421.113208] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  421.119964] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  421.119969] Call Trace:
[  421.119984]  dump_stack+0x244/0x39d
[  421.120002]  ? dump_stack_print_info.cold.1+0x20/0x20
[  421.126547] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  421.135804]  warn_alloc.cold.116+0xb7/0x1bd
[  421.138349] syz-executor0 cpuset=syz0 mems_allowed=0
[  421.141957]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  421.171803]  ? lock_downgrade+0x900/0x900
[  421.175947]  ? trace_hardirqs_off+0xb8/0x310
[  421.180370]  ? trace_hardirqs_off+0xb8/0x310
[  421.184780]  __alloc_pages_slowpath+0x2651/0x2de0
[  421.189655]  ? warn_alloc+0x120/0x120
[  421.193449]  ? warn_alloc+0x120/0x120
[  421.197242]  ? warn_alloc+0x120/0x120
[  421.201031]  ? trace_hardirqs_off+0xb8/0x310
[  421.205427]  ? print_usage_bug+0xc0/0xc0
[  421.209481]  ? print_usage_bug+0xc0/0xc0
[  421.213541]  ? __lock_acquire+0x62f/0x4c20
[  421.217767]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  421.223290]  ? should_fail+0x22d/0xd01
[  421.227168]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  421.232256]  ? __lock_acquire+0x62f/0x4c20
[  421.236491]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  421.241582]  ? __lock_acquire+0x62f/0x4c20
[  421.245805]  ? should_fail+0x22d/0xd01
[  421.249687]  ? mark_held_locks+0x130/0x130
[  421.253915]  ? mark_held_locks+0x130/0x130
[  421.258146]  ? zap_class+0x640/0x640
[  421.261849]  ? ret_from_fork+0x3a/0x50
[  421.265720]  ? __lock_acquire+0x62f/0x4c20
[  421.269945]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.275475]  ? check_preemption_disabled+0x48/0x280
[  421.280488]  ? __lock_is_held+0xb5/0x140
[  421.284544]  __alloc_pages_nodemask+0xad8/0xea0
[  421.289197]  ? zap_class+0x640/0x640
[  421.292901]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  421.297912]  ? find_held_lock+0x36/0x1c0
[  421.301967]  ? ____cache_alloc_node+0x1c7/0x1e0
[  421.306716]  ? lock_downgrade+0x900/0x900
[  421.310859]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.316386]  cache_grow_begin+0xa5/0x8c0
[  421.320431]  ? do_raw_spin_unlock+0xa7/0x330
[  421.324832]  fallback_alloc+0x204/0x2e0
[  421.328797]  ____cache_alloc_node+0x1c7/0x1e0
[  421.333283]  kmem_cache_alloc_node+0xe3/0x730
[  421.337780]  ? mark_held_locks+0xc7/0x130
[  421.341922]  __alloc_skb+0x119/0x770
[  421.345626]  ? netdev_alloc_frag+0x1f0/0x1f0
[  421.350025]  ? do_raw_spin_trylock+0x270/0x270
[  421.354600]  ? kmem_cache_alloc_trace+0x353/0x750
[  421.359435]  ? queue_work_on+0x12c/0x1e0
[  421.363488]  ? switchdev_port_obj_del+0xe3/0x450
[  421.368251]  ? switchdev_trans_item_enqueue+0x260/0x260
[  421.373615]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  421.378632]  __br_mdb_notify+0x4ff/0x15d0
[  421.382770]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  421.387882]  ? __br_mdb_add+0x730/0x730
[  421.391867]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  421.396957]  ? debug_object_assert_init+0x368/0x4b0
[  421.401966]  ? debug_object_init_on_stack+0x20/0x20
[  421.406979]  br_mdb_notify+0x310/0x410
[  421.410858]  ? br_mdb_dump+0x25e0/0x25e0
[  421.414923]  br_multicast_del_pg+0x380/0x6d0
[  421.419322]  ? br_mdb_ip_get+0xe00/0xe00
[  421.423368]  ? rwlock_bug.part.2+0x90/0x90
[  421.427593]  ? __lock_is_held+0xb5/0x140
[  421.431658]  br_multicast_port_group_expired+0x189/0x1e0
[  421.437096]  call_timer_fn+0x272/0x920
[  421.440972]  ? br_multicast_del_pg+0x6d0/0x6d0
[  421.445546]  ? process_timeout+0x40/0x40
[  421.449604]  ? __run_timers+0x7da/0xc70
[  421.453567]  ? _raw_spin_unlock_irq+0x27/0x80
[  421.458054]  ? _raw_spin_unlock_irq+0x27/0x80
[  421.462533]  ? br_multicast_del_pg+0x6d0/0x6d0
[  421.467107]  ? lockdep_hardirqs_on+0x296/0x5b0
[  421.471691]  ? trace_hardirqs_on+0xbd/0x310
[  421.476004]  ? kasan_check_read+0x11/0x20
[  421.480144]  ? __run_timers+0x7da/0xc70
[  421.484114]  ? trace_hardirqs_off_caller+0x310/0x310
[  421.489238]  ? br_multicast_del_pg+0x6d0/0x6d0
[  421.493816]  ? br_multicast_del_pg+0x6d0/0x6d0
[  421.498392]  __run_timers+0x7e5/0xc70
[  421.502190]  ? timer_fixup_init+0x70/0x70
[  421.506328]  ? _raw_spin_unlock_irq+0x27/0x80
[  421.510818]  ? _raw_spin_unlock_irq+0x27/0x80
[  421.515319]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  421.519895]  ? trace_hardirqs_on+0xbd/0x310
[  421.524210]  ? kasan_check_read+0x11/0x20
[  421.528359]  ? finish_task_switch+0x1f4/0x910
[  421.532844]  ? trace_hardirqs_off_caller+0x310/0x310
[  421.537940]  ? compat_start_thread+0x80/0x80
[  421.542362]  ? pvclock_read_flags+0x160/0x160
[  421.546846]  ? __switch_to_asm+0x34/0x70
[  421.550900]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.556429]  ? check_preemption_disabled+0x48/0x280
[  421.561445]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  421.566978]  ? rcu_pm_notify+0xc0/0xc0
[  421.570860]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.576392]  ? check_preemption_disabled+0x48/0x280
[  421.581406]  run_timer_softirq+0x52/0xb0
[  421.585458]  ? rcu_read_lock_sched_held+0x14f/0x180
[  421.590473]  __do_softirq+0x308/0xb7e
[  421.594278]  ? retint_kernel+0x2d/0x2d
[  421.598162]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  421.603271]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  421.608708]  ? rcu_irq_enter+0x18c/0x310
[  421.612770]  ? schedule+0x108/0x460
[  421.616391]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  421.621169]  ? trace_hardirqs_off+0xb8/0x310
[  421.625571]  ? smpboot_thread_fn+0x68b/0xa00
[  421.629991]  ? trace_hardirqs_on+0x310/0x310
[  421.634395]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  421.639928]  ? check_preemption_disabled+0x48/0x280
[  421.644938]  ? takeover_tasklets+0xa90/0xa90
[  421.649337]  run_ksoftirqd+0x5e/0x100
[  421.653122]  smpboot_thread_fn+0x68b/0xa00
[  421.657342]  ? sort_range+0x30/0x30
[  421.660952]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  421.666044]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  421.671570]  ? __kthread_parkme+0xfb/0x1a0
[  421.675798]  ? sort_range+0x30/0x30
[  421.679414]  kthread+0x35a/0x440
[  421.682771]  ? kthread_stop+0x900/0x900
[  421.686747]  ret_from_fork+0x3a/0x50
[  421.690462] CPU: 1 PID: 16176 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #181
[  421.690466] warn_alloc_show_mem: 1 callbacks suppressed
[  421.690477] Mem-Info:
[  421.697819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  421.703174] active_anon:54949 inactive_anon:10067 isolated_anon:0
[  421.703174]  active_file:12 inactive_file:12 isolated_file:0
[  421.703174]  unevictable:0 dirty:0 writeback:0 unstable:0
[  421.703174]  slab_reclaimable:9454 slab_unreclaimable:1442611
[  421.703174]  mapped:40962 shmem:10230 pagetables:596 bounce:0
[  421.703174]  free:13765 free_pcp:525 free_cma:0
[  421.705537] Call Trace:
[  421.714903] Node 0 active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:40920kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 202752kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  421.748084]  <IRQ>
[  421.750654] 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
[  421.778487]  dump_stack+0x244/0x39d
[  421.780601] lowmem_reserve[]: 0 2818 6321 6321
[  421.806694]  ? dump_stack_print_info.cold.1+0x20/0x20
[  421.810287] Node 0 DMA32 free:25248kB 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:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  421.814863]  warn_alloc.cold.116+0xb7/0x1bd
[  421.820008] lowmem_reserve[]: 0 0 3503 3503
[  421.847331]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  421.851616] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2384kB bounce:0kB free_pcp:1852kB local_pcp:1500kB free_cma:0kB
[  421.855918]  ? lock_downgrade+0x900/0x900
[  421.860724] lowmem_reserve[]: 0 0 0 0
[  421.890051]  ? trace_hardirqs_off+0xb8/0x310
[  421.894165] 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
[  421.897954]  ? trace_hardirqs_off+0xb8/0x310
[  421.902325] Node 0 DMA32: 4*4kB (UM) 0*8kB 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB
[  421.915833]  __alloc_pages_slowpath+0x2651/0x2de0
[  421.920203] Node 0 Normal: 1308*4kB (ME) 392*8kB (UME) 140*16kB (ME) 47*32kB (ME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  421.935116]  ? warn_alloc+0x120/0x120
[  421.939915] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  421.954555]  ? print_usage_bug+0xc0/0xc0
[  421.958336] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  421.967142]  ? warn_alloc+0x120/0x120
[  421.971171] 10254 total pagecache pages
[  421.979727]  ? warn_alloc+0x120/0x120
[  421.983498] 0 pages in swap cache
[  421.987600]  ? print_usage_bug+0xc0/0xc0
[  421.991373] Swap cache stats: add 0, delete 0, find 0/0
[  421.994836]  ? kvm_clock_read+0x18/0x30
[  421.998862] Free swap  = 0kB
[  422.004213]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  422.008148] Total swap = 0kB
[  422.011149]  ? print_usage_bug+0xc0/0xc0
[  422.016130] 1965979 pages RAM
[  422.019131]  ? __lock_acquire+0x62f/0x4c20
[  422.023155] 0 pages HighMem/MovableOnly
[  422.023161] 342853 pages reserved
[  422.026265]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  422.030470] 0 pages cma reserved
[  422.034423]  ? should_fail+0x22d/0xd01
[  422.037973] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  422.043355]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  422.046690] ksoftirqd/0 cpuset=/ mems_allowed=0
[  422.050564]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  422.075828]  ? __lock_acquire+0x62f/0x4c20
[  422.080054]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  422.085154]  ? __lock_acquire+0x62f/0x4c20
[  422.089376]  ? should_fail+0x22d/0xd01
[  422.093251]  ? rcu_irq_exit+0x1a2/0x390
[  422.097225]  ? mark_held_locks+0x130/0x130
[  422.101459]  ? mark_held_locks+0x130/0x130
[  422.105688]  ? mark_held_locks+0xc7/0x130
[  422.109824]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  422.114831]  ? zap_class+0x640/0x640
[  422.118532]  ? print_usage_bug+0xc0/0xc0
[  422.122587]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.128209]  ? check_preemption_disabled+0x48/0x280
[  422.133226]  ? __lock_is_held+0xb5/0x140
[  422.137278]  __alloc_pages_nodemask+0xad8/0xea0
[  422.141930]  ? zap_class+0x640/0x640
[  422.145635]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  422.150647]  ? find_held_lock+0x36/0x1c0
[  422.154707]  ? ____cache_alloc_node+0x1c7/0x1e0
[  422.159387]  ? lock_downgrade+0x900/0x900
[  422.163531]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.169062]  cache_grow_begin+0xa5/0x8c0
[  422.173112]  ? do_raw_spin_unlock+0xa7/0x330
[  422.177513]  fallback_alloc+0x204/0x2e0
[  422.181479]  ____cache_alloc_node+0x1c7/0x1e0
[  422.185964]  kmem_cache_alloc_node+0xe3/0x730
[  422.190450]  ? ipv6_get_ifaddr+0x42e/0x620
[  422.194697]  __alloc_skb+0x119/0x770
[  422.198395]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  422.203664]  ? netdev_alloc_frag+0x1f0/0x1f0
[  422.208075]  ? lock_downgrade+0x900/0x900
[  422.212218]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.217743]  ? refcount_sub_and_test_checked+0x203/0x310
[  422.223197]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  422.228634]  ? addrconf_rs_timer+0x690/0x690
[  422.233052]  ndisc_alloc_skb+0x144/0x340
[  422.237105]  ndisc_send_rs+0x331/0x6e0
[  422.240982]  addrconf_rs_timer+0x314/0x690
[  422.245223]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  422.249462]  call_timer_fn+0x272/0x920
[  422.253346]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  422.257567]  ? process_timeout+0x40/0x40
[  422.261626]  ? __run_timers+0x7da/0xc70
[  422.265591]  ? _raw_spin_unlock_irq+0x27/0x80
[  422.270073]  ? _raw_spin_unlock_irq+0x27/0x80
[  422.274557]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  422.278780]  ? lockdep_hardirqs_on+0x296/0x5b0
[  422.283353]  ? trace_hardirqs_on+0xbd/0x310
[  422.287671]  ? kasan_check_read+0x11/0x20
[  422.291805]  ? __run_timers+0x7da/0xc70
[  422.295772]  ? trace_hardirqs_off_caller+0x310/0x310
[  422.300866]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  422.305093]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  422.309314]  __run_timers+0x7e5/0xc70
[  422.313291]  ? timer_fixup_init+0x70/0x70
[  422.317443]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  422.322464]  ? zap_class+0x640/0x640
[  422.326174]  ? enqueue_hrtimer+0x1a5/0x560
[  422.330400]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  422.335587]  ? find_held_lock+0x36/0x1c0
[  422.339641]  ? zap_class+0x640/0x640
[  422.343361]  ? pvclock_read_flags+0x160/0x160
[  422.347848]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.353389]  ? check_preemption_disabled+0x48/0x280
[  422.358402]  ? __lock_is_held+0xb5/0x140
[  422.362469]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.367991]  ? check_preemption_disabled+0x48/0x280
[  422.372996]  run_timer_softirq+0x52/0xb0
[  422.377043]  ? rcu_read_lock_sched_held+0x14f/0x180
[  422.382046]  __do_softirq+0x308/0xb7e
[  422.385838]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  422.390323]  ? lock_downgrade+0x900/0x900
[  422.394464]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  422.399570]  ? pvclock_read_flags+0x160/0x160
[  422.404061]  ? lapic_next_event+0x5a/0x90
[  422.408202]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.413733]  ? kvm_clock_read+0x18/0x30
[  422.417695]  ? kvm_sched_clock_read+0x9/0x20
[  422.422099]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.427646]  ? check_preemption_disabled+0x48/0x280
[  422.432658]  irq_exit+0x17f/0x1c0
[  422.436100]  smp_apic_timer_interrupt+0x1cb/0x760
[  422.440929]  ? smp_reschedule_interrupt+0x109/0x650
[  422.445930]  ? smp_call_function_single_interrupt+0x650/0x650
[  422.451799]  ? interrupt_entry+0xb5/0xc0
[  422.455847]  ? trace_hardirqs_off_caller+0xbb/0x310
[  422.460859]  ? trace_hardirqs_off_caller+0xbb/0x310
[  422.465868]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  422.470704]  ? trace_hardirqs_on_caller+0x310/0x310
[  422.475708]  ? trace_hardirqs_on_caller+0x310/0x310
[  422.481199]  ? task_prio+0x50/0x50
[  422.484730]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.490257]  ? check_preemption_disabled+0x48/0x280
[  422.495272]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  422.500112]  apic_timer_interrupt+0xf/0x20
[  422.504327]  </IRQ>
[  422.506556] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  422.512436] Code: 3e 7e 0f 85 32 ff ff ff e8 03 6a 3d ff e9 28 ff ff ff e8 4a 99 c2 ff 48 83 3d c2 ed 8e 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 ca 05
[  422.531329] RSP: 0018:ffff888198b071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  422.539027] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  422.546281] RDX: 0000000000000000 RSI: ffff8881bbc289c0 RDI: 0000000000000286
[  422.553538] RBP: ffff888198b07250 R08: ffff8881bbc28140 R09: 0000000000000000
[  422.560794] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800940
[  422.568063] R13: ffff8881da800940 R14: 0000000000000000 R15: 0000000000000286
[  422.575341]  ? save_stack+0xa9/0xd0
[  422.578963]  __kmalloc_node_track_caller+0x3c/0x70
[  422.583886]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  422.588655]  pskb_expand_head+0x230/0x10f0
[  422.592894]  ? memcpy+0x45/0x50
[  422.596163]  ? __copy_skb_header+0x350/0x6b0
[  422.600565]  ? skb_release_data+0x9a0/0x9a0
[  422.604874]  ? __alloc_skb+0x770/0x770
[  422.608780]  ? __lock_is_held+0xb5/0x140
[  422.612839]  ? kasan_check_write+0x14/0x20
[  422.617062]  ? __skb_clone+0x6c7/0xa00
[  422.620945]  ? __copy_skb_header+0x6b0/0x6b0
[  422.625337]  ? kmem_cache_alloc+0x33a/0x730
[  422.629653]  skb_ensure_writable+0x3dd/0x640
[  422.634053]  ? skb_checksum_setup+0xaa0/0xaa0
[  422.638540]  ? check_preemption_disabled+0x48/0x280
[  422.643657]  ? __this_cpu_preempt_check+0x1c/0x20
[  422.648487]  ? __bpf_redirect+0x55b/0xb60
[  422.652625]  bpf_clone_redirect+0x14a/0x490
[  422.656941]  bpf_prog_88483476fbe68a28+0x6f0/0x1000
[  422.661947]  ? __sched_text_start+0x8/0x8
[  422.666093]  ? find_held_lock+0x36/0x1c0
[  422.670144]  ? lock_acquire+0x1ed/0x520
[  422.674108]  ? bpf_test_run+0x3ee/0x7a0
[  422.678070]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.683595]  ? check_preemption_disabled+0x48/0x280
[  422.688609]  ? kasan_check_read+0x11/0x20
[  422.692744]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  422.698009]  ? rcu_softirq_qs+0x20/0x20
[  422.701977]  ? preempt_schedule+0x4d/0x60
[  422.706111]  ? ___preempt_schedule+0x16/0x18
[  422.710515]  ? bpf_test_run+0x271/0x7a0
[  422.714491]  ? netlink_diag_dump+0x2a0/0x2a0
[  422.718904]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  422.724430]  ? bpf_test_init.isra.10+0x70/0x100
[  422.729089]  ? bpf_prog_test_run_skb+0x762/0xd90
[  422.733844]  ? bpf_test_finish.isra.9+0x260/0x260
[  422.738687]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  422.744213]  ? fput+0x130/0x1a0
[  422.747486]  ? __bpf_prog_get+0x9b/0x290
[  422.751536]  ? bpf_test_finish.isra.9+0x260/0x260
[  422.756363]  ? __do_sys_bpf+0x1898/0x4570
[  422.760508]  ? bpf_prog_load+0x1db0/0x1db0
[  422.764730]  ? find_held_lock+0x36/0x1c0
[  422.768787]  ? __might_fault+0x12b/0x1e0
[  422.772841]  ? lock_downgrade+0x900/0x900
[  422.776978]  ? lock_release+0xa00/0xa00
[  422.780941]  ? perf_trace_sched_process_exec+0x860/0x860
[  422.786377]  ? posix_ktime_get_ts+0x15/0x20
[  422.790696]  ? trace_hardirqs_off_caller+0x310/0x310
[  422.795809]  ? kasan_check_read+0x11/0x20
[  422.799975]  ? _copy_to_user+0xc8/0x110
[  422.803944]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  422.809468]  ? put_timespec64+0x10f/0x1b0
[  422.813609]  ? nsecs_to_jiffies+0x30/0x30
[  422.817756]  ? trace_hardirqs_off_caller+0x310/0x310
[  422.822855]  ? __x64_sys_bpf+0x73/0xb0
[  422.826734]  ? do_syscall_64+0x1b9/0x820
[  422.830781]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  422.836139]  ? syscall_return_slowpath+0x5e0/0x5e0
[  422.841059]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  422.845895]  ? trace_hardirqs_on_caller+0x310/0x310
[  422.850912]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  422.855923]  ? prepare_exit_to_usermode+0x291/0x3b0
[  422.860928]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  422.865774]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  422.871147] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #181
[  422.871220] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  422.877980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  422.877985] Call Trace:
[  422.878004]  dump_stack+0x244/0x39d
[  422.878023]  ? dump_stack_print_info.cold.1+0x20/0x20
[  422.884646] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  422.893920]  warn_alloc.cold.116+0xb7/0x1bd
[  422.896465] syz-executor0 cpuset=syz0 mems_allowed=0
[  422.900073]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  422.929919]  ? lock_downgrade+0x900/0x900
[  422.934150]  ? trace_hardirqs_off+0xb8/0x310
[  422.938588]  ? trace_hardirqs_off+0xb8/0x310
[  422.942999]  __alloc_pages_slowpath+0x2651/0x2de0
[  422.947851]  ? warn_alloc+0x120/0x120
[  422.951650]  ? warn_alloc+0x120/0x120
[  422.955441]  ? warn_alloc+0x120/0x120
[  422.959227]  ? trace_hardirqs_off+0xb8/0x310
[  422.963622]  ? print_usage_bug+0xc0/0xc0
[  422.967678]  ? print_usage_bug+0xc0/0xc0
[  422.971733]  ? __lock_acquire+0x62f/0x4c20
[  422.975958]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  422.981485]  ? should_fail+0x22d/0xd01
[  422.985362]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  422.990461]  ? __lock_acquire+0x62f/0x4c20
[  422.994699]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  422.999786]  ? __lock_acquire+0x62f/0x4c20
[  423.004004]  ? should_fail+0x22d/0xd01
[  423.007891]  ? mark_held_locks+0x130/0x130
[  423.012122]  ? mark_held_locks+0x130/0x130
[  423.016349]  ? zap_class+0x640/0x640
[  423.020070]  ? ret_from_fork+0x3a/0x50
[  423.023946]  ? __lock_acquire+0x62f/0x4c20
[  423.028172]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.033695]  ? check_preemption_disabled+0x48/0x280
[  423.038704]  ? __lock_is_held+0xb5/0x140
[  423.042758]  __alloc_pages_nodemask+0xad8/0xea0
[  423.047532]  ? zap_class+0x640/0x640
[  423.051343]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  423.056355]  ? find_held_lock+0x36/0x1c0
[  423.060414]  ? ____cache_alloc_node+0x1c7/0x1e0
[  423.065069]  ? lock_downgrade+0x900/0x900
[  423.069212]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.074737]  cache_grow_begin+0xa5/0x8c0
[  423.078787]  ? do_raw_spin_unlock+0xa7/0x330
[  423.083193]  fallback_alloc+0x204/0x2e0
[  423.087166]  ____cache_alloc_node+0x1c7/0x1e0
[  423.091666]  kmem_cache_alloc_node+0xe3/0x730
[  423.096266]  ? mark_held_locks+0xc7/0x130
[  423.100434]  __alloc_skb+0x119/0x770
[  423.104141]  ? netdev_alloc_frag+0x1f0/0x1f0
[  423.108567]  ? do_raw_spin_trylock+0x270/0x270
[  423.113136]  ? kmem_cache_alloc_trace+0x353/0x750
[  423.118069]  ? queue_work_on+0x12c/0x1e0
[  423.122128]  ? switchdev_port_obj_del+0xe3/0x450
[  423.126880]  ? switchdev_trans_item_enqueue+0x260/0x260
[  423.132239]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  423.137251]  __br_mdb_notify+0x4ff/0x15d0
[  423.141394]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  423.146583]  ? __br_mdb_add+0x730/0x730
[  423.150562]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  423.155655]  ? debug_object_assert_init+0x368/0x4b0
[  423.160663]  ? debug_object_init_on_stack+0x20/0x20
[  423.165675]  br_mdb_notify+0x310/0x410
[  423.169552]  ? br_mdb_dump+0x25e0/0x25e0
[  423.173617]  br_multicast_del_pg+0x380/0x6d0
[  423.178020]  ? br_mdb_ip_get+0xe00/0xe00
[  423.182066]  ? rwlock_bug.part.2+0x90/0x90
[  423.186292]  ? __lock_is_held+0xb5/0x140
[  423.190347]  br_multicast_port_group_expired+0x189/0x1e0
[  423.195794]  call_timer_fn+0x272/0x920
[  423.199671]  ? br_multicast_del_pg+0x6d0/0x6d0
[  423.204327]  ? process_timeout+0x40/0x40
[  423.208392]  ? __run_timers+0x7da/0xc70
[  423.212359]  ? _raw_spin_unlock_irq+0x27/0x80
[  423.216851]  ? _raw_spin_unlock_irq+0x27/0x80
[  423.221332]  ? br_multicast_del_pg+0x6d0/0x6d0
[  423.225919]  ? lockdep_hardirqs_on+0x296/0x5b0
[  423.230498]  ? trace_hardirqs_on+0xbd/0x310
[  423.234811]  ? kasan_check_read+0x11/0x20
[  423.238963]  ? __run_timers+0x7da/0xc70
[  423.242926]  ? trace_hardirqs_off_caller+0x310/0x310
[  423.248019]  ? br_multicast_del_pg+0x6d0/0x6d0
[  423.252589]  ? br_multicast_del_pg+0x6d0/0x6d0
[  423.257183]  __run_timers+0x7e5/0xc70
[  423.260980]  ? timer_fixup_init+0x70/0x70
[  423.265115]  ? _raw_spin_unlock_irq+0x27/0x80
[  423.269599]  ? _raw_spin_unlock_irq+0x27/0x80
[  423.274086]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  423.278655]  ? trace_hardirqs_on+0xbd/0x310
[  423.282962]  ? kasan_check_read+0x11/0x20
[  423.287098]  ? finish_task_switch+0x1f4/0x910
[  423.291582]  ? trace_hardirqs_off_caller+0x310/0x310
[  423.296670]  ? compat_start_thread+0x80/0x80
[  423.301108]  ? pvclock_read_flags+0x160/0x160
[  423.305592]  ? __switch_to_asm+0x34/0x70
[  423.309644]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.315170]  ? check_preemption_disabled+0x48/0x280
[  423.320186]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  423.325722]  ? rcu_pm_notify+0xc0/0xc0
[  423.329598]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.335123]  ? check_preemption_disabled+0x48/0x280
[  423.340129]  run_timer_softirq+0x52/0xb0
[  423.344177]  ? rcu_read_lock_sched_held+0x14f/0x180
[  423.349182]  __do_softirq+0x308/0xb7e
[  423.352973]  ? retint_kernel+0x2d/0x2d
[  423.356854]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  423.361940]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  423.367379]  ? rcu_irq_enter+0x18c/0x310
[  423.371433]  ? schedule+0x108/0x460
[  423.375049]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  423.379801]  ? trace_hardirqs_off+0xb8/0x310
[  423.384213]  ? smpboot_thread_fn+0x68b/0xa00
[  423.388617]  ? trace_hardirqs_on+0x310/0x310
[  423.393014]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  423.398544]  ? check_preemption_disabled+0x48/0x280
[  423.403549]  ? takeover_tasklets+0xa90/0xa90
[  423.407952]  run_ksoftirqd+0x5e/0x100
[  423.411746]  smpboot_thread_fn+0x68b/0xa00
[  423.415969]  ? sort_range+0x30/0x30
[  423.419589]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  423.424703]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  423.430235]  ? __kthread_parkme+0xfb/0x1a0
[  423.434474]  ? sort_range+0x30/0x30
[  423.438096]  kthread+0x35a/0x440
[  423.441459]  ? kthread_stop+0x900/0x900
[  423.445425]  ret_from_fork+0x3a/0x50
[  423.449143] CPU: 1 PID: 16176 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #181
[  423.449147] warn_alloc_show_mem: 1 callbacks suppressed
[  423.449153] Mem-Info:
[  423.456497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  423.461865] active_anon:54949 inactive_anon:10067 isolated_anon:0
[  423.461865]  active_file:12 inactive_file:12 isolated_file:0
[  423.461865]  unevictable:0 dirty:0 writeback:0 unstable:0
[  423.461865]  slab_reclaimable:9454 slab_unreclaimable:1442611
[  423.461865]  mapped:40962 shmem:10230 pagetables:596 bounce:0
[  423.461865]  free:13765 free_pcp:525 free_cma:0
[  423.464232] Call Trace:
[  423.473597] Node 0 active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:40920kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 202752kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  423.506783]  <IRQ>
[  423.509353] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  423.537459]  dump_stack+0x244/0x39d
[  423.539579] lowmem_reserve[]: 0 2818 6321 6321
[  423.565694]  ? dump_stack_print_info.cold.1+0x20/0x20
[  423.569285] Node 0 DMA32 free:25248kB 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:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  423.573857]  warn_alloc.cold.116+0xb7/0x1bd
[  423.579022] lowmem_reserve[]: 0 0 3503 3503
[  423.606424]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  423.610714] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2384kB bounce:0kB free_pcp:1852kB local_pcp:1500kB free_cma:0kB
[  423.615022]  ? lock_downgrade+0x900/0x900
[  423.619848] lowmem_reserve[]: 0 0 0 0
[  423.649071]  ? trace_hardirqs_off+0xb8/0x310
[  423.653185] 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
[  423.656975]  ? trace_hardirqs_off+0xb8/0x310
[  423.661351] Node 0 DMA32: 4*4kB (UM) 0*8kB 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB
[  423.674860]  __alloc_pages_slowpath+0x2651/0x2de0
[  423.679232] Node 0 Normal: 1308*4kB (ME) 392*8kB (UME) 140*16kB (ME) 47*32kB (ME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  423.694144]  ? warn_alloc+0x120/0x120
[  423.698942] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  423.713586]  ? print_usage_bug+0xc0/0xc0
[  423.717381] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  423.726195]  ? warn_alloc+0x120/0x120
[  423.730240] 10254 total pagecache pages
[  423.738792]  ? warn_alloc+0x120/0x120
[  423.742565] 0 pages in swap cache
[  423.746516]  ? print_usage_bug+0xc0/0xc0
[  423.750284] Swap cache stats: add 0, delete 0, find 0/0
[  423.753714]  ? kvm_clock_read+0x18/0x30
[  423.757738] Free swap  = 0kB
[  423.763089]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  423.767023] Total swap = 0kB
[  423.770022]  ? print_usage_bug+0xc0/0xc0
[  423.775006] 1965979 pages RAM
[  423.778007]  ? __lock_acquire+0x62f/0x4c20
[  423.782033] 0 pages HighMem/MovableOnly
[  423.785122]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  423.789326] 342853 pages reserved
[  423.789332] 0 pages cma reserved
[  423.793283]  ? should_fail+0x22d/0xd01
[  423.798931] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  423.802231]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  423.805567] ksoftirqd/0 cpuset=/ mems_allowed=0
[  423.809445]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  423.834740]  ? __lock_acquire+0x62f/0x4c20
[  423.838978]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  423.844065]  ? __lock_acquire+0x62f/0x4c20
[  423.848293]  ? should_fail+0x22d/0xd01
[  423.852187]  ? rcu_irq_exit+0x1a2/0x390
[  423.856157]  ? mark_held_locks+0x130/0x130
[  423.860386]  ? mark_held_locks+0x130/0x130
[  423.864615]  ? mark_held_locks+0xc7/0x130
[  423.868752]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  423.873761]  ? zap_class+0x640/0x640
[  423.877467]  ? print_usage_bug+0xc0/0xc0
[  423.881526]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.887059]  ? check_preemption_disabled+0x48/0x280
[  423.892085]  ? __lock_is_held+0xb5/0x140
[  423.896156]  __alloc_pages_nodemask+0xad8/0xea0
[  423.900936]  ? zap_class+0x640/0x640
[  423.904642]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  423.909660]  ? find_held_lock+0x36/0x1c0
[  423.913748]  ? ____cache_alloc_node+0x1c7/0x1e0
[  423.918445]  ? lock_downgrade+0x900/0x900
[  423.922765]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.928297]  cache_grow_begin+0xa5/0x8c0
[  423.932359]  ? do_raw_spin_unlock+0xa7/0x330
[  423.936763]  fallback_alloc+0x204/0x2e0
[  423.940740]  ____cache_alloc_node+0x1c7/0x1e0
[  423.945237]  kmem_cache_alloc_node+0xe3/0x730
[  423.949720]  ? ipv6_get_ifaddr+0x42e/0x620
[  423.953948]  __alloc_skb+0x119/0x770
[  423.957646]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  423.962913]  ? netdev_alloc_frag+0x1f0/0x1f0
[  423.967314]  ? lock_downgrade+0x900/0x900
[  423.971452]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.976973]  ? refcount_sub_and_test_checked+0x203/0x310
[  423.982414]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  423.987865]  ? addrconf_rs_timer+0x690/0x690
[  423.992274]  ndisc_alloc_skb+0x144/0x340
[  423.996338]  ndisc_send_rs+0x331/0x6e0
[  424.000222]  addrconf_rs_timer+0x314/0x690
[  424.004449]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  424.008679]  call_timer_fn+0x272/0x920
[  424.012551]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  424.016781]  ? process_timeout+0x40/0x40
[  424.020840]  ? __run_timers+0x7da/0xc70
[  424.024805]  ? _raw_spin_unlock_irq+0x27/0x80
[  424.029283]  ? _raw_spin_unlock_irq+0x27/0x80
[  424.033769]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  424.038001]  ? lockdep_hardirqs_on+0x296/0x5b0
[  424.042574]  ? trace_hardirqs_on+0xbd/0x310
[  424.046882]  ? kasan_check_read+0x11/0x20
[  424.051016]  ? __run_timers+0x7da/0xc70
[  424.054977]  ? trace_hardirqs_off_caller+0x310/0x310
[  424.060077]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  424.064311]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  424.068532]  __run_timers+0x7e5/0xc70
[  424.072334]  ? timer_fixup_init+0x70/0x70
[  424.076471]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  424.081473]  ? zap_class+0x640/0x640
[  424.085175]  ? enqueue_hrtimer+0x1a5/0x560
[  424.089398]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  424.094582]  ? find_held_lock+0x36/0x1c0
[  424.098635]  ? zap_class+0x640/0x640
[  424.102338]  ? pvclock_read_flags+0x160/0x160
[  424.106842]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.112367]  ? check_preemption_disabled+0x48/0x280
[  424.117375]  ? __lock_is_held+0xb5/0x140
[  424.121427]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.126952]  ? check_preemption_disabled+0x48/0x280
[  424.131960]  run_timer_softirq+0x52/0xb0
[  424.136008]  ? rcu_read_lock_sched_held+0x14f/0x180
[  424.141010]  __do_softirq+0x308/0xb7e
[  424.144802]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  424.149316]  ? lock_downgrade+0x900/0x900
[  424.153456]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  424.158550]  ? pvclock_read_flags+0x160/0x160
[  424.163038]  ? lapic_next_event+0x5a/0x90
[  424.167180]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.172723]  ? kvm_clock_read+0x18/0x30
[  424.176683]  ? kvm_sched_clock_read+0x9/0x20
[  424.181083]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.186609]  ? check_preemption_disabled+0x48/0x280
[  424.191618]  irq_exit+0x17f/0x1c0
[  424.195070]  smp_apic_timer_interrupt+0x1cb/0x760
[  424.199899]  ? smp_reschedule_interrupt+0x109/0x650
[  424.204903]  ? smp_call_function_single_interrupt+0x650/0x650
[  424.210774]  ? interrupt_entry+0xb5/0xc0
[  424.214823]  ? trace_hardirqs_off_caller+0xbb/0x310
[  424.219822]  ? trace_hardirqs_off_caller+0xbb/0x310
[  424.224831]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  424.229674]  ? trace_hardirqs_on_caller+0x310/0x310
[  424.234679]  ? trace_hardirqs_on_caller+0x310/0x310
[  424.239680]  ? task_prio+0x50/0x50
[  424.243207]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.248857]  ? check_preemption_disabled+0x48/0x280
[  424.253884]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  424.258721]  apic_timer_interrupt+0xf/0x20
[  424.262935]  </IRQ>
[  424.265170] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  424.271041] Code: 3e 7e 0f 85 32 ff ff ff e8 03 6a 3d ff e9 28 ff ff ff e8 4a 99 c2 ff 48 83 3d c2 ed 8e 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 ca 05
[  424.289942] RSP: 0018:ffff888198b071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  424.297635] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  424.304888] RDX: 0000000000000000 RSI: ffff8881bbc289c0 RDI: 0000000000000286
[  424.312420] RBP: ffff888198b07250 R08: ffff8881bbc28140 R09: 0000000000000000
[  424.319678] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800940
[  424.326936] R13: ffff8881da800940 R14: 0000000000000000 R15: 0000000000000286
[  424.334220]  ? save_stack+0xa9/0xd0
[  424.337845]  __kmalloc_node_track_caller+0x3c/0x70
[  424.342764]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  424.347508]  pskb_expand_head+0x230/0x10f0
[  424.351749]  ? memcpy+0x45/0x50
[  424.355018]  ? __copy_skb_header+0x350/0x6b0
[  424.359415]  ? skb_release_data+0x9a0/0x9a0
[  424.363740]  ? __alloc_skb+0x770/0x770
[  424.367623]  ? __lock_is_held+0xb5/0x140
[  424.371675]  ? kasan_check_write+0x14/0x20
[  424.375897]  ? __skb_clone+0x6c7/0xa00
[  424.379775]  ? __copy_skb_header+0x6b0/0x6b0
[  424.384171]  ? kmem_cache_alloc+0x33a/0x730
[  424.388495]  skb_ensure_writable+0x3dd/0x640
[  424.392896]  ? skb_checksum_setup+0xaa0/0xaa0
[  424.397387]  ? check_preemption_disabled+0x48/0x280
[  424.402405]  ? __this_cpu_preempt_check+0x1c/0x20
[  424.407236]  ? __bpf_redirect+0x55b/0xb60
[  424.411380]  bpf_clone_redirect+0x14a/0x490
[  424.415695]  bpf_prog_88483476fbe68a28+0x6f0/0x1000
[  424.420702]  ? __sched_text_start+0x8/0x8
[  424.424848]  ? find_held_lock+0x36/0x1c0
[  424.428902]  ? lock_acquire+0x1ed/0x520
[  424.432870]  ? bpf_test_run+0x3ee/0x7a0
[  424.436841]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.442364]  ? check_preemption_disabled+0x48/0x280
[  424.447404]  ? kasan_check_read+0x11/0x20
[  424.451542]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  424.456803]  ? rcu_softirq_qs+0x20/0x20
[  424.460765]  ? preempt_schedule+0x4d/0x60
[  424.464903]  ? ___preempt_schedule+0x16/0x18
[  424.469303]  ? bpf_test_run+0x271/0x7a0
[  424.473278]  ? netlink_diag_dump+0x2a0/0x2a0
[  424.478085]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  424.483612]  ? bpf_test_init.isra.10+0x70/0x100
[  424.488278]  ? bpf_prog_test_run_skb+0x762/0xd90
[  424.493034]  ? bpf_test_finish.isra.9+0x260/0x260
[  424.497871]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  424.503404]  ? fput+0x130/0x1a0
[  424.506679]  ? __bpf_prog_get+0x9b/0x290
[  424.510734]  ? bpf_test_finish.isra.9+0x260/0x260
[  424.515569]  ? __do_sys_bpf+0x1898/0x4570
[  424.519708]  ? bpf_prog_load+0x1db0/0x1db0
[  424.523933]  ? find_held_lock+0x36/0x1c0
[  424.527989]  ? __might_fault+0x12b/0x1e0
[  424.532041]  ? lock_downgrade+0x900/0x900
[  424.536194]  ? lock_release+0xa00/0xa00
[  424.540177]  ? perf_trace_sched_process_exec+0x860/0x860
[  424.545618]  ? posix_ktime_get_ts+0x15/0x20
[  424.549927]  ? trace_hardirqs_off_caller+0x310/0x310
[  424.555055]  ? kasan_check_read+0x11/0x20
[  424.559191]  ? _copy_to_user+0xc8/0x110
[  424.563159]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  424.568687]  ? put_timespec64+0x10f/0x1b0
[  424.572834]  ? nsecs_to_jiffies+0x30/0x30
[  424.576982]  ? trace_hardirqs_off_caller+0x310/0x310
[  424.582078]  ? __x64_sys_bpf+0x73/0xb0
[  424.586050]  ? do_syscall_64+0x1b9/0x820
[  424.590189]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  424.595545]  ? syscall_return_slowpath+0x5e0/0x5e0
[  424.600464]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  424.605296]  ? trace_hardirqs_on_caller+0x310/0x310
[  424.610302]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  424.615307]  ? prepare_exit_to_usermode+0x291/0x3b0
[  424.620316]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  424.625152]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  424.630526] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #181
[  424.630591] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  424.637358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  424.637362] Call Trace:
[  424.637382]  dump_stack+0x244/0x39d
[  424.637399]  ? dump_stack_print_info.cold.1+0x20/0x20
[  424.643910] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  424.653196]  warn_alloc.cold.116+0xb7/0x1bd
[  424.655744] syz-executor0 cpuset=syz0 mems_allowed=0
[  424.659349]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  424.689185]  ? lock_downgrade+0x900/0x900
[  424.693325]  ? trace_hardirqs_off+0xb8/0x310
[  424.697722]  ? trace_hardirqs_off+0xb8/0x310
[  424.702144]  __alloc_pages_slowpath+0x2651/0x2de0
[  424.707010]  ? warn_alloc+0x120/0x120
[  424.710810]  ? warn_alloc+0x120/0x120
[  424.714600]  ? warn_alloc+0x120/0x120
[  424.718385]  ? trace_hardirqs_off+0xb8/0x310
[  424.722798]  ? print_usage_bug+0xc0/0xc0
[  424.726857]  ? print_usage_bug+0xc0/0xc0
[  424.730917]  ? __lock_acquire+0x62f/0x4c20
[  424.735142]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  424.740665]  ? should_fail+0x22d/0xd01
[  424.744553]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  424.749657]  ? __lock_acquire+0x62f/0x4c20
[  424.753903]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  424.758992]  ? __lock_acquire+0x62f/0x4c20
[  424.763211]  ? should_fail+0x22d/0xd01
[  424.767091]  ? mark_held_locks+0x130/0x130
[  424.771317]  ? mark_held_locks+0x130/0x130
[  424.775542]  ? zap_class+0x640/0x640
[  424.779243]  ? ret_from_fork+0x3a/0x50
[  424.783133]  ? __lock_acquire+0x62f/0x4c20
[  424.787353]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.792876]  ? check_preemption_disabled+0x48/0x280
[  424.797886]  ? __lock_is_held+0xb5/0x140
[  424.801937]  __alloc_pages_nodemask+0xad8/0xea0
[  424.806599]  ? zap_class+0x640/0x640
[  424.810309]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  424.815323]  ? find_held_lock+0x36/0x1c0
[  424.819395]  ? ____cache_alloc_node+0x1c7/0x1e0
[  424.824051]  ? lock_downgrade+0x900/0x900
[  424.828191]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.833721]  cache_grow_begin+0xa5/0x8c0
[  424.837772]  ? do_raw_spin_unlock+0xa7/0x330
[  424.842176]  fallback_alloc+0x204/0x2e0
[  424.846147]  ____cache_alloc_node+0x1c7/0x1e0
[  424.850636]  kmem_cache_alloc_node+0xe3/0x730
[  424.855124]  ? mark_held_locks+0xc7/0x130
[  424.859275]  __alloc_skb+0x119/0x770
[  424.862977]  ? netdev_alloc_frag+0x1f0/0x1f0
[  424.867368]  ? do_raw_spin_trylock+0x270/0x270
[  424.871952]  ? kmem_cache_alloc_trace+0x353/0x750
[  424.876791]  ? queue_work_on+0x12c/0x1e0
[  424.880846]  ? switchdev_port_obj_del+0xe3/0x450
[  424.885591]  ? switchdev_trans_item_enqueue+0x260/0x260
[  424.890943]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  424.895953]  __br_mdb_notify+0x4ff/0x15d0
[  424.900085]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  424.905184]  ? __br_mdb_add+0x730/0x730
[  424.909156]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  424.914254]  ? debug_object_assert_init+0x368/0x4b0
[  424.919279]  ? debug_object_init_on_stack+0x20/0x20
[  424.924389]  br_mdb_notify+0x310/0x410
[  424.928272]  ? br_mdb_dump+0x25e0/0x25e0
[  424.932353]  br_multicast_del_pg+0x380/0x6d0
[  424.936754]  ? br_mdb_ip_get+0xe00/0xe00
[  424.940801]  ? rwlock_bug.part.2+0x90/0x90
[  424.945028]  ? __lock_is_held+0xb5/0x140
[  424.949082]  br_multicast_port_group_expired+0x189/0x1e0
[  424.954523]  call_timer_fn+0x272/0x920
[  424.958394]  ? br_multicast_del_pg+0x6d0/0x6d0
[  424.962967]  ? process_timeout+0x40/0x40
[  424.967018]  ? __run_timers+0x7da/0xc70
[  424.970980]  ? _raw_spin_unlock_irq+0x27/0x80
[  424.975463]  ? _raw_spin_unlock_irq+0x27/0x80
[  424.979942]  ? br_multicast_del_pg+0x6d0/0x6d0
[  424.984511]  ? lockdep_hardirqs_on+0x296/0x5b0
[  424.989080]  ? trace_hardirqs_on+0xbd/0x310
[  424.993390]  ? kasan_check_read+0x11/0x20
[  424.997532]  ? __run_timers+0x7da/0xc70
[  425.001496]  ? trace_hardirqs_off_caller+0x310/0x310
[  425.006618]  ? br_multicast_del_pg+0x6d0/0x6d0
[  425.011186]  ? br_multicast_del_pg+0x6d0/0x6d0
[  425.015754]  __run_timers+0x7e5/0xc70
[  425.019550]  ? timer_fixup_init+0x70/0x70
[  425.023688]  ? _raw_spin_unlock_irq+0x27/0x80
[  425.028167]  ? _raw_spin_unlock_irq+0x27/0x80
[  425.032654]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  425.037243]  ? trace_hardirqs_on+0xbd/0x310
[  425.041555]  ? kasan_check_read+0x11/0x20
[  425.045695]  ? finish_task_switch+0x1f4/0x910
[  425.050183]  ? trace_hardirqs_off_caller+0x310/0x310
[  425.055272]  ? compat_start_thread+0x80/0x80
[  425.059684]  ? pvclock_read_flags+0x160/0x160
[  425.064166]  ? __switch_to_asm+0x34/0x70
[  425.068216]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.073749]  ? check_preemption_disabled+0x48/0x280
[  425.078943]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  425.084468]  ? rcu_pm_notify+0xc0/0xc0
[  425.088348]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.093874]  ? check_preemption_disabled+0x48/0x280
[  425.098881]  run_timer_softirq+0x52/0xb0
[  425.102932]  ? rcu_read_lock_sched_held+0x14f/0x180
[  425.107957]  __do_softirq+0x308/0xb7e
[  425.111751]  ? retint_kernel+0x2d/0x2d
[  425.115632]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  425.120725]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  425.126159]  ? rcu_irq_enter+0x18c/0x310
[  425.130213]  ? schedule+0x108/0x460
[  425.133838]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  425.138594]  ? trace_hardirqs_off+0xb8/0x310
[  425.142990]  ? smpboot_thread_fn+0x68b/0xa00
[  425.147385]  ? trace_hardirqs_on+0x310/0x310
[  425.151784]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  425.157309]  ? check_preemption_disabled+0x48/0x280
[  425.162310]  ? takeover_tasklets+0xa90/0xa90
[  425.166702]  run_ksoftirqd+0x5e/0x100
[  425.170525]  smpboot_thread_fn+0x68b/0xa00
[  425.174849]  ? sort_range+0x30/0x30
[  425.178466]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  425.183560]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  425.189086]  ? __kthread_parkme+0xfb/0x1a0
[  425.193310]  ? sort_range+0x30/0x30
[  425.196921]  kthread+0x35a/0x440
[  425.200282]  ? kthread_stop+0x900/0x900
[  425.204247]  ret_from_fork+0x3a/0x50
[  425.207962] warn_alloc_show_mem: 1 callbacks suppressed
[  425.207971] CPU: 1 PID: 16176 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #181
[  425.207972] Mem-Info:
[  425.208004] active_anon:54949 inactive_anon:10067 isolated_anon:0
[  425.208004]  active_file:12 inactive_file:12 isolated_file:0
[  425.208004]  unevictable:0 dirty:0 writeback:0 unstable:0
[  425.208004]  slab_reclaimable:9454 slab_unreclaimable:1442611
[  425.208004]  mapped:40962 shmem:10230 pagetables:596 bounce:0
[  425.208004]  free:13765 free_pcp:525 free_cma:0
[  425.213327] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  425.213333] Call Trace:
[  425.220683] Node 0 active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:40920kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 202752kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  425.223066]  <IRQ>
[  425.256279] 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
[  425.265619]  dump_stack+0x244/0x39d
[  425.268164] lowmem_reserve[]: 0 2818 6321 6321
[  425.295997]  ? dump_stack_print_info.cold.1+0x20/0x20
[  425.298113] Node 0 DMA32 free:25248kB 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:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  425.324208]  warn_alloc.cold.116+0xb7/0x1bd
[  425.327797] lowmem_reserve[]: 0 0 3503 3503
[  425.332380]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  425.337534] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2384kB bounce:0kB free_pcp:1852kB local_pcp:1500kB free_cma:0kB
[  425.364851]  ? lock_downgrade+0x900/0x900
[  425.369133] lowmem_reserve[]: 0 0 0 0
[  425.373440]  ? trace_hardirqs_off+0xb8/0x310
[  425.378248] 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
[  425.407463]  ? trace_hardirqs_off+0xb8/0x310
[  425.411578] Node 0 DMA32: 4*4kB (UM) 0*8kB 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB
[  425.415363]  __alloc_pages_slowpath+0x2651/0x2de0
[  425.419733] Node 0 Normal: 1308*4kB (ME) 392*8kB (UME) 140*16kB (ME) 47*32kB (ME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  425.433265]  ? warn_alloc+0x120/0x120
[  425.437625] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  425.452514]  ? print_usage_bug+0xc0/0xc0
[  425.457327] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  425.471952]  ? warn_alloc+0x120/0x120
[  425.475717] 10254 total pagecache pages
[  425.484533]  ? warn_alloc+0x120/0x120
[  425.488563] 0 pages in swap cache
[  425.497114]  ? print_usage_bug+0xc0/0xc0
[  425.500886] Swap cache stats: add 0, delete 0, find 0/0
[  425.504852]  ? print_usage_bug+0xc0/0xc0
[  425.508617] Free swap  = 0kB
[  425.512064]  ? __lock_acquire+0x62f/0x4c20
[  425.516092] Total swap = 0kB
[  425.521437]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  425.525567] 1965979 pages RAM
[  425.528565]  ? should_fail+0x22d/0xd01
[  425.532764] 0 pages HighMem/MovableOnly
[  425.535766]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  425.541269] 342853 pages reserved
[  425.544352]  ? __lock_acquire+0x62f/0x4c20
[  425.548209] 0 pages cma reserved
[  425.552164]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  425.557379] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  425.560665]  ? __lock_acquire+0x62f/0x4c20
[  425.564877] ksoftirqd/0 cpuset=/ mems_allowed=0
[  425.568219]  ? should_fail+0x22d/0xd01
[  425.568232]  ? find_held_lock+0x36/0x1c0
[  425.600361]  ? mark_held_locks+0x130/0x130
[  425.604607]  ? mark_held_locks+0x130/0x130
[  425.608832]  ? zap_class+0x640/0x640
[  425.612544]  ? zap_class+0x640/0x640
[  425.616253]  ? print_usage_bug+0xc0/0xc0
[  425.620304]  ? do_raw_spin_unlock+0xa7/0x330
[  425.624700]  ? zap_class+0x640/0x640
[  425.628405]  ? print_usage_bug+0xc0/0xc0
[  425.632452]  ? wq_watchdog_touch+0x9c/0xfe
[  425.636677]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.642209]  ? check_preemption_disabled+0x48/0x280
[  425.647226]  ? __lock_is_held+0xb5/0x140
[  425.651278]  __alloc_pages_nodemask+0xad8/0xea0
[  425.655931]  ? zap_class+0x640/0x640
[  425.659638]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  425.664649]  ? find_held_lock+0x36/0x1c0
[  425.668702]  ? ____cache_alloc_node+0x1c7/0x1e0
[  425.673360]  ? lock_downgrade+0x900/0x900
[  425.677522]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.683163]  cache_grow_begin+0xa5/0x8c0
[  425.687221]  ? do_raw_spin_unlock+0xa7/0x330
[  425.691620]  fallback_alloc+0x204/0x2e0
[  425.695586]  ____cache_alloc_node+0x1c7/0x1e0
[  425.700074]  kmem_cache_alloc_node+0xe3/0x730
[  425.704655]  ? ipv6_get_ifaddr+0x42e/0x620
[  425.708884]  __alloc_skb+0x119/0x770
[  425.712584]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  425.717862]  ? netdev_alloc_frag+0x1f0/0x1f0
[  425.722258]  ? lock_downgrade+0x900/0x900
[  425.726397]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.731926]  ? refcount_sub_and_test_checked+0x203/0x310
[  425.737367]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  425.742803]  ? addrconf_rs_timer+0x690/0x690
[  425.747214]  ndisc_alloc_skb+0x144/0x340
[  425.751266]  ndisc_send_rs+0x331/0x6e0
[  425.755142]  addrconf_rs_timer+0x314/0x690
[  425.759365]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.763594]  call_timer_fn+0x272/0x920
[  425.767470]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.771693]  ? process_timeout+0x40/0x40
[  425.775749]  ? __run_timers+0x7da/0xc70
[  425.779715]  ? _raw_spin_unlock_irq+0x27/0x80
[  425.784211]  ? _raw_spin_unlock_irq+0x27/0x80
[  425.788691]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.792911]  ? lockdep_hardirqs_on+0x296/0x5b0
[  425.797484]  ? trace_hardirqs_on+0xbd/0x310
[  425.801798]  ? kasan_check_read+0x11/0x20
[  425.805933]  ? __run_timers+0x7da/0xc70
[  425.809900]  ? trace_hardirqs_off_caller+0x310/0x310
[  425.815005]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.819239]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.823463]  __run_timers+0x7e5/0xc70
[  425.827257]  ? timer_fixup_init+0x70/0x70
[  425.831484]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  425.836493]  ? zap_class+0x640/0x640
[  425.840206]  ? enqueue_hrtimer+0x1a5/0x560
[  425.844429]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  425.849619]  ? find_held_lock+0x36/0x1c0
[  425.853704]  ? zap_class+0x640/0x640
[  425.857424]  ? pvclock_read_flags+0x160/0x160
[  425.861921]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.867449]  ? check_preemption_disabled+0x48/0x280
[  425.872464]  ? __lock_is_held+0xb5/0x140
[  425.876513]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.882038]  ? check_preemption_disabled+0x48/0x280
[  425.887047]  run_timer_softirq+0x52/0xb0
[  425.891098]  ? rcu_read_lock_sched_held+0x14f/0x180
[  425.896100]  __do_softirq+0x308/0xb7e
[  425.899889]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  425.904370]  ? lock_downgrade+0x900/0x900
[  425.908515]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  425.913610]  ? pvclock_read_flags+0x160/0x160
[  425.918102]  ? lapic_next_event+0x5a/0x90
[  425.922241]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.927773]  ? kvm_clock_read+0x18/0x30
[  425.931741]  ? kvm_sched_clock_read+0x9/0x20
[  425.936144]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.941679]  ? check_preemption_disabled+0x48/0x280
[  425.946719]  irq_exit+0x17f/0x1c0
[  425.950163]  smp_apic_timer_interrupt+0x1cb/0x760
[  425.955014]  ? smp_reschedule_interrupt+0x109/0x650
[  425.960017]  ? smp_call_function_single_interrupt+0x650/0x650
[  425.965891]  ? interrupt_entry+0xb5/0xc0
[  425.969945]  ? trace_hardirqs_off_caller+0xbb/0x310
[  425.974952]  ? trace_hardirqs_off_caller+0xbb/0x310
[  425.979955]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  425.984788]  ? trace_hardirqs_on_caller+0x310/0x310
[  425.989881]  ? trace_hardirqs_on_caller+0x310/0x310
[  425.994895]  ? task_prio+0x50/0x50
[  425.998424]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.003946]  ? check_preemption_disabled+0x48/0x280
[  426.008954]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  426.013791]  apic_timer_interrupt+0xf/0x20
[  426.018117]  </IRQ>
[  426.020345] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  426.026215] Code: 3e 7e 0f 85 32 ff ff ff e8 03 6a 3d ff e9 28 ff ff ff e8 4a 99 c2 ff 48 83 3d c2 ed 8e 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 ca 05
[  426.045099] RSP: 0018:ffff888198b071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  426.052881] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  426.060156] RDX: 0000000000000000 RSI: ffff8881bbc289c0 RDI: 0000000000000286
[  426.067417] RBP: ffff888198b07250 R08: ffff8881bbc28140 R09: 0000000000000000
[  426.074674] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800940
[  426.081932] R13: ffff8881da800940 R14: 0000000000000000 R15: 0000000000000286
[  426.089236]  ? save_stack+0xa9/0xd0
[  426.092865]  __kmalloc_node_track_caller+0x3c/0x70
[  426.097792]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  426.102541]  pskb_expand_head+0x230/0x10f0
[  426.106769]  ? memcpy+0x45/0x50
[  426.110041]  ? __copy_skb_header+0x350/0x6b0
[  426.114442]  ? skb_release_data+0x9a0/0x9a0
[  426.118751]  ? __alloc_skb+0x770/0x770
[  426.122645]  ? __lock_is_held+0xb5/0x140
[  426.126705]  ? kasan_check_write+0x14/0x20
[  426.130939]  ? __skb_clone+0x6c7/0xa00
[  426.134818]  ? __copy_skb_header+0x6b0/0x6b0
[  426.139218]  ? kmem_cache_alloc+0x33a/0x730
[  426.143539]  skb_ensure_writable+0x3dd/0x640
[  426.147942]  ? skb_checksum_setup+0xaa0/0xaa0
[  426.152424]  ? check_preemption_disabled+0x48/0x280
[  426.157432]  ? __this_cpu_preempt_check+0x1c/0x20
[  426.162259]  ? __bpf_redirect+0x55b/0xb60
[  426.166399]  bpf_clone_redirect+0x14a/0x490
[  426.170719]  bpf_prog_88483476fbe68a28+0x6f0/0x1000
[  426.175726]  ? __sched_text_start+0x8/0x8
[  426.179869]  ? find_held_lock+0x36/0x1c0
[  426.183925]  ? lock_acquire+0x1ed/0x520
[  426.187891]  ? bpf_test_run+0x3ee/0x7a0
[  426.191858]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.197380]  ? check_preemption_disabled+0x48/0x280
[  426.202401]  ? kasan_check_read+0x11/0x20
[  426.206541]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  426.211810]  ? rcu_softirq_qs+0x20/0x20
[  426.215782]  ? preempt_schedule+0x4d/0x60
[  426.219930]  ? ___preempt_schedule+0x16/0x18
[  426.224338]  ? bpf_test_run+0x271/0x7a0
[  426.228315]  ? netlink_diag_dump+0x2a0/0x2a0
[  426.232720]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  426.238251]  ? bpf_test_init.isra.10+0x70/0x100
[  426.242930]  ? bpf_prog_test_run_skb+0x762/0xd90
[  426.247681]  ? bpf_test_finish.isra.9+0x260/0x260
[  426.252515]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  426.258040]  ? fput+0x130/0x1a0
[  426.261311]  ? __bpf_prog_get+0x9b/0x290
[  426.265359]  ? bpf_test_finish.isra.9+0x260/0x260
[  426.270186]  ? __do_sys_bpf+0x1898/0x4570
[  426.274325]  ? bpf_prog_load+0x1db0/0x1db0
[  426.278548]  ? find_held_lock+0x36/0x1c0
[  426.282602]  ? __might_fault+0x12b/0x1e0
[  426.286658]  ? lock_downgrade+0x900/0x900
[  426.290808]  ? lock_release+0xa00/0xa00
[  426.294767]  ? perf_trace_sched_process_exec+0x860/0x860
[  426.300218]  ? posix_ktime_get_ts+0x15/0x20
[  426.304542]  ? trace_hardirqs_off_caller+0x310/0x310
[  426.309645]  ? kasan_check_read+0x11/0x20
[  426.313920]  ? _copy_to_user+0xc8/0x110
[  426.317904]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  426.323430]  ? put_timespec64+0x10f/0x1b0
[  426.327568]  ? nsecs_to_jiffies+0x30/0x30
[  426.331732]  ? trace_hardirqs_off_caller+0x310/0x310
[  426.336826]  ? __x64_sys_bpf+0x73/0xb0
[  426.340707]  ? do_syscall_64+0x1b9/0x820
[  426.344756]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  426.350107]  ? syscall_return_slowpath+0x5e0/0x5e0
[  426.355020]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  426.359855]  ? trace_hardirqs_on_caller+0x310/0x310
[  426.364861]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  426.369870]  ? prepare_exit_to_usermode+0x291/0x3b0
[  426.374885]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  426.379722]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  426.385088] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #181
[  426.385165] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  426.391917] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  426.391923] Call Trace:
[  426.398483] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  426.407730]  dump_stack+0x244/0x39d
[  426.410293] syz-executor0 cpuset=syz0 mems_allowed=0
[  426.420761]  ? dump_stack_print_info.cold.1+0x20/0x20
[  426.434612]  warn_alloc.cold.116+0xb7/0x1bd
[  426.438921]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  426.443755]  ? lock_downgrade+0x900/0x900
[  426.447897]  ? trace_hardirqs_off+0xb8/0x310
[  426.452301]  ? trace_hardirqs_off+0xb8/0x310
[  426.456705]  __alloc_pages_slowpath+0x2651/0x2de0
[  426.461556]  ? warn_alloc+0x120/0x120
[  426.465380]  ? warn_alloc+0x120/0x120
[  426.469176]  ? warn_alloc+0x120/0x120
[  426.472960]  ? trace_hardirqs_off+0xb8/0x310
[  426.477356]  ? print_usage_bug+0xc0/0xc0
[  426.481418]  ? print_usage_bug+0xc0/0xc0
[  426.485475]  ? __lock_acquire+0x62f/0x4c20
[  426.489702]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  426.495229]  ? should_fail+0x22d/0xd01
[  426.499105]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  426.504200]  ? __lock_acquire+0x62f/0x4c20
[  426.508425]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  426.513511]  ? __lock_acquire+0x62f/0x4c20
[  426.517732]  ? should_fail+0x22d/0xd01
[  426.521613]  ? mark_held_locks+0x130/0x130
[  426.525839]  ? mark_held_locks+0x130/0x130
[  426.530065]  ? zap_class+0x640/0x640
[  426.533771]  ? ret_from_fork+0x3a/0x50
[  426.537643]  ? __lock_acquire+0x62f/0x4c20
[  426.541874]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.547399]  ? check_preemption_disabled+0x48/0x280
[  426.552418]  ? __lock_is_held+0xb5/0x140
[  426.556473]  __alloc_pages_nodemask+0xad8/0xea0
[  426.561134]  ? zap_class+0x640/0x640
[  426.564837]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  426.569848]  ? find_held_lock+0x36/0x1c0
[  426.573907]  ? ____cache_alloc_node+0x1c7/0x1e0
[  426.578571]  ? lock_downgrade+0x900/0x900
[  426.582712]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.588239]  cache_grow_begin+0xa5/0x8c0
[  426.592287]  ? do_raw_spin_unlock+0xa7/0x330
[  426.596691]  fallback_alloc+0x204/0x2e0
[  426.600656]  ____cache_alloc_node+0x1c7/0x1e0
[  426.605153]  kmem_cache_alloc_node+0xe3/0x730
[  426.609632]  ? mark_held_locks+0xc7/0x130
[  426.613775]  __alloc_skb+0x119/0x770
[  426.617477]  ? netdev_alloc_frag+0x1f0/0x1f0
[  426.621873]  ? do_raw_spin_trylock+0x270/0x270
[  426.626448]  ? kmem_cache_alloc_trace+0x353/0x750
[  426.631280]  ? queue_work_on+0x12c/0x1e0
[  426.635334]  ? switchdev_port_obj_del+0xe3/0x450
[  426.640095]  ? switchdev_trans_item_enqueue+0x260/0x260
[  426.645455]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  426.650465]  __br_mdb_notify+0x4ff/0x15d0
[  426.654600]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  426.659696]  ? __br_mdb_add+0x730/0x730
[  426.663664]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  426.668758]  ? debug_object_assert_init+0x368/0x4b0
[  426.673762]  ? debug_object_init_on_stack+0x20/0x20
[  426.678771]  br_mdb_notify+0x310/0x410
[  426.682645]  ? br_mdb_dump+0x25e0/0x25e0
[  426.686702]  br_multicast_del_pg+0x380/0x6d0
[  426.691107]  ? br_mdb_ip_get+0xe00/0xe00
[  426.695167]  ? rwlock_bug.part.2+0x90/0x90
[  426.699394]  ? __lock_is_held+0xb5/0x140
[  426.703454]  br_multicast_port_group_expired+0x189/0x1e0
[  426.708894]  call_timer_fn+0x272/0x920
[  426.712773]  ? br_multicast_del_pg+0x6d0/0x6d0
[  426.717344]  ? process_timeout+0x40/0x40
[  426.721406]  ? __run_timers+0x7da/0xc70
[  426.725375]  ? _raw_spin_unlock_irq+0x27/0x80
[  426.729862]  ? _raw_spin_unlock_irq+0x27/0x80
[  426.734346]  ? br_multicast_del_pg+0x6d0/0x6d0
[  426.739011]  ? lockdep_hardirqs_on+0x296/0x5b0
[  426.743589]  ? trace_hardirqs_on+0xbd/0x310
[  426.747903]  ? kasan_check_read+0x11/0x20
[  426.752130]  ? __run_timers+0x7da/0xc70
[  426.756122]  ? trace_hardirqs_off_caller+0x310/0x310
[  426.761231]  ? br_multicast_del_pg+0x6d0/0x6d0
[  426.765916]  ? br_multicast_del_pg+0x6d0/0x6d0
[  426.770487]  __run_timers+0x7e5/0xc70
[  426.774284]  ? timer_fixup_init+0x70/0x70
[  426.778597]  ? _raw_spin_unlock_irq+0x27/0x80
[  426.783089]  ? _raw_spin_unlock_irq+0x27/0x80
[  426.787574]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  426.792143]  ? trace_hardirqs_on+0xbd/0x310
[  426.796461]  ? kasan_check_read+0x11/0x20
[  426.800596]  ? finish_task_switch+0x1f4/0x910
[  426.805079]  ? trace_hardirqs_off_caller+0x310/0x310
[  426.810173]  ? compat_start_thread+0x80/0x80
[  426.814585]  ? pvclock_read_flags+0x160/0x160
[  426.819068]  ? __switch_to_asm+0x34/0x70
[  426.823151]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.828679]  ? check_preemption_disabled+0x48/0x280
[  426.833782]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  426.839312]  ? rcu_pm_notify+0xc0/0xc0
[  426.843190]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.848716]  ? check_preemption_disabled+0x48/0x280
[  426.853725]  run_timer_softirq+0x52/0xb0
[  426.857777]  ? rcu_read_lock_sched_held+0x14f/0x180
[  426.862782]  __do_softirq+0x308/0xb7e
[  426.866573]  ? retint_kernel+0x2d/0x2d
[  426.870453]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  426.875547]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  426.880983]  ? rcu_irq_enter+0x18c/0x310
[  426.885039]  ? schedule+0x108/0x460
[  426.888663]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  426.893410]  ? trace_hardirqs_off+0xb8/0x310
[  426.897809]  ? smpboot_thread_fn+0x68b/0xa00
[  426.902204]  ? trace_hardirqs_on+0x310/0x310
[  426.906600]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  426.912129]  ? check_preemption_disabled+0x48/0x280
[  426.917136]  ? takeover_tasklets+0xa90/0xa90
[  426.921531]  run_ksoftirqd+0x5e/0x100
[  426.925330]  smpboot_thread_fn+0x68b/0xa00
[  426.929556]  ? sort_range+0x30/0x30
[  426.933201]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  426.938301]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  426.943832]  ? __kthread_parkme+0xfb/0x1a0
[  426.948071]  ? sort_range+0x30/0x30
[  426.951698]  kthread+0x35a/0x440
[  426.955050]  ? kthread_stop+0x900/0x900
[  426.959011]  ret_from_fork+0x3a/0x50
[  426.962727] CPU: 1 PID: 16176 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #181
[  426.962731] warn_alloc_show_mem: 1 callbacks suppressed
[  426.962736] Mem-Info:
[  426.970083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  426.975443] active_anon:54949 inactive_anon:10067 isolated_anon:0
[  426.975443]  active_file:12 inactive_file:12 isolated_file:0
[  426.975443]  unevictable:0 dirty:0 writeback:0 unstable:0
[  426.975443]  slab_reclaimable:9454 slab_unreclaimable:1442611
[  426.975443]  mapped:40962 shmem:10230 pagetables:596 bounce:0
[  426.975443]  free:13765 free_pcp:525 free_cma:0
[  426.977808] Call Trace:
[  426.987187] Node 0 active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:40920kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 202752kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  427.020562]  <IRQ>
[  427.023117] 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
[  427.050941]  dump_stack+0x244/0x39d
[  427.053058] lowmem_reserve[]: 0 2818 6321 6321
[  427.079147]  ? dump_stack_print_info.cold.1+0x20/0x20
[  427.082740] Node 0 DMA32 free:25248kB 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:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  427.087329]  warn_alloc.cold.116+0xb7/0x1bd
[  427.092476] lowmem_reserve[]: 0 0 3503 3503
[  427.119783]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  427.124071] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2384kB bounce:0kB free_pcp:1852kB local_pcp:1500kB free_cma:0kB
[  427.128384]  ? lock_downgrade+0x900/0x900
[  427.133192] lowmem_reserve[]: 0 0 0 0
[  427.162410]  ? trace_hardirqs_off+0xb8/0x310
[  427.166524] 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
[  427.170310]  ? trace_hardirqs_off+0xb8/0x310
[  427.174682] Node 0 DMA32: 4*4kB (UM) 0*8kB 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB
[  427.188209]  __alloc_pages_slowpath+0x2651/0x2de0
[  427.192581] Node 0 Normal: 1308*4kB (ME) 392*8kB (UME) 140*16kB (ME) 47*32kB (ME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  427.207492]  ? warn_alloc+0x120/0x120
[  427.212292] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  427.226920]  ? warn_alloc+0x120/0x120
[  427.230693] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  427.239502]  ? warn_alloc+0x120/0x120
[  427.243269] 10254 total pagecache pages
[  427.251823]  ? print_usage_bug+0xc0/0xc0
[  427.255598] 0 pages in swap cache
[  427.259678]  ? print_usage_bug+0xc0/0xc0
[  427.263705] Swap cache stats: add 0, delete 0, find 0/0
[  427.267133]  ? zap_class+0x640/0x640
[  427.271159] Free swap  = 0kB
[  427.276502]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  427.280179] Total swap = 0kB
[  427.283180]  ? should_fail+0x22d/0xd01
[  427.288681] 1965979 pages RAM
[  427.291679]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  427.295527] 0 pages HighMem/MovableOnly
[  427.295533] 342853 pages reserved
[  427.298617]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  427.303770] 0 pages cma reserved
[  427.307721]  ? __lock_acquire+0x62f/0x4c20
[  427.311298] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  427.316225]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  427.319558] ksoftirqd/0 cpuset=/ mems_allowed=0
[  427.323792]  ? should_fail+0x22d/0xd01
[  427.347662]  ? mark_held_locks+0x130/0x130
[  427.351890]  ? mark_held_locks+0x130/0x130
[  427.356112]  ? print_usage_bug+0xc0/0xc0
[  427.360177]  ? find_held_lock+0x36/0x1c0
[  427.364228]  ? zap_class+0x640/0x640
[  427.367942]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.373468]  ? check_preemption_disabled+0x48/0x280
[  427.378481]  ? __lock_is_held+0xb5/0x140
[  427.382531]  __alloc_pages_nodemask+0xad8/0xea0
[  427.387184]  ? zap_class+0x640/0x640
[  427.390992]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  427.396006]  ? find_held_lock+0x36/0x1c0
[  427.400072]  ? ____cache_alloc_node+0x1c7/0x1e0
[  427.404731]  ? lock_downgrade+0x900/0x900
[  427.408872]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.414401]  cache_grow_begin+0xa5/0x8c0
[  427.418448]  ? do_raw_spin_unlock+0xa7/0x330
[  427.422850]  fallback_alloc+0x204/0x2e0
[  427.426824]  ____cache_alloc_node+0x1c7/0x1e0
[  427.431310]  kmem_cache_alloc_node+0xe3/0x730
[  427.435792]  ? mark_held_locks+0xc7/0x130
[  427.439942]  __alloc_skb+0x119/0x770
[  427.443651]  ? netdev_alloc_frag+0x1f0/0x1f0
[  427.448046]  ? do_raw_spin_trylock+0x270/0x270
[  427.452633]  ? kmem_cache_alloc_trace+0x353/0x750
[  427.457486]  ? queue_work_on+0x12c/0x1e0
[  427.461536]  ? switchdev_port_obj_del+0xe3/0x450
[  427.466276]  ? switchdev_trans_item_enqueue+0x260/0x260
[  427.471628]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  427.476636]  __br_mdb_notify+0x4ff/0x15d0
[  427.480777]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  427.485889]  ? __br_mdb_add+0x730/0x730
[  427.489858]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  427.494946]  ? debug_object_assert_init+0x368/0x4b0
[  427.499951]  ? debug_object_init_on_stack+0x20/0x20
[  427.504967]  ? zap_class+0x640/0x640
[  427.508678]  br_mdb_notify+0x310/0x410
[  427.512556]  ? br_mdb_dump+0x25e0/0x25e0
[  427.516626]  br_multicast_del_pg+0x380/0x6d0
[  427.521024]  ? br_mdb_ip_get+0xe00/0xe00
[  427.525078]  ? rwlock_bug.part.2+0x90/0x90
[  427.529319]  ? __lock_is_held+0xb5/0x140
[  427.533374]  br_multicast_port_group_expired+0x189/0x1e0
[  427.538820]  call_timer_fn+0x272/0x920
[  427.542692]  ? br_multicast_del_pg+0x6d0/0x6d0
[  427.547258]  ? process_timeout+0x40/0x40
[  427.551310]  ? __run_timers+0x7da/0xc70
[  427.555276]  ? _raw_spin_unlock_irq+0x27/0x80
[  427.559759]  ? _raw_spin_unlock_irq+0x27/0x80
[  427.564238]  ? br_multicast_del_pg+0x6d0/0x6d0
[  427.568805]  ? lockdep_hardirqs_on+0x296/0x5b0
[  427.573377]  ? trace_hardirqs_on+0xbd/0x310
[  427.577796]  ? kasan_check_read+0x11/0x20
[  427.581930]  ? __run_timers+0x7da/0xc70
[  427.585890]  ? trace_hardirqs_off_caller+0x310/0x310
[  427.591081]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  427.595318]  ? br_multicast_del_pg+0x6d0/0x6d0
[  427.599884]  __run_timers+0x7e5/0xc70
[  427.603677]  ? timer_fixup_init+0x70/0x70
[  427.607816]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  427.612822]  ? zap_class+0x640/0x640
[  427.616526]  ? enqueue_hrtimer+0x1a5/0x560
[  427.620765]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  427.625950]  ? find_held_lock+0x36/0x1c0
[  427.630018]  ? zap_class+0x640/0x640
[  427.633736]  ? pvclock_read_flags+0x160/0x160
[  427.638222]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.643751]  ? check_preemption_disabled+0x48/0x280
[  427.648765]  ? __lock_is_held+0xb5/0x140
[  427.652822]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.658353]  ? check_preemption_disabled+0x48/0x280
[  427.663362]  run_timer_softirq+0x52/0xb0
[  427.667409]  ? rcu_read_lock_sched_held+0x14f/0x180
[  427.672415]  __do_softirq+0x308/0xb7e
[  427.676205]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  427.680683]  ? lock_downgrade+0x900/0x900
[  427.684824]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  427.689922]  ? pvclock_read_flags+0x160/0x160
[  427.694404]  ? lapic_next_event+0x5a/0x90
[  427.698539]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.704072]  ? kvm_clock_read+0x18/0x30
[  427.708034]  ? kvm_sched_clock_read+0x9/0x20
[  427.712455]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.717983]  ? check_preemption_disabled+0x48/0x280
[  427.722997]  irq_exit+0x17f/0x1c0
[  427.726437]  smp_apic_timer_interrupt+0x1cb/0x760
[  427.731268]  ? smp_reschedule_interrupt+0x109/0x650
[  427.736276]  ? smp_call_function_single_interrupt+0x650/0x650
[  427.742146]  ? interrupt_entry+0xb5/0xc0
[  427.746217]  ? trace_hardirqs_off_caller+0xbb/0x310
[  427.751220]  ? trace_hardirqs_off_caller+0xbb/0x310
[  427.756224]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  427.761057]  ? trace_hardirqs_on_caller+0x310/0x310
[  427.766062]  ? trace_hardirqs_on_caller+0x310/0x310
[  427.771087]  ? task_prio+0x50/0x50
[  427.774616]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.780139]  ? check_preemption_disabled+0x48/0x280
[  427.785147]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  427.789981]  apic_timer_interrupt+0xf/0x20
[  427.794196]  </IRQ>
[  427.796442] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  427.802314] Code: 3e 7e 0f 85 32 ff ff ff e8 03 6a 3d ff e9 28 ff ff ff e8 4a 99 c2 ff 48 83 3d c2 ed 8e 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 ca 05
[  427.821199] RSP: 0018:ffff888198b071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  427.828889] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  427.836144] RDX: 0000000000000000 RSI: ffff8881bbc289c0 RDI: 0000000000000286
[  427.843398] RBP: ffff888198b07250 R08: ffff8881bbc28140 R09: 0000000000000000
[  427.850656] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800940
[  427.857914] R13: ffff8881da800940 R14: 0000000000000000 R15: 0000000000000286
[  427.865195]  ? save_stack+0xa9/0xd0
[  427.868819]  __kmalloc_node_track_caller+0x3c/0x70
[  427.873743]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  427.878494]  pskb_expand_head+0x230/0x10f0
[  427.882721]  ? memcpy+0x45/0x50
[  427.885989]  ? __copy_skb_header+0x350/0x6b0
[  427.890391]  ? skb_release_data+0x9a0/0x9a0
[  427.894716]  ? __alloc_skb+0x770/0x770
[  427.898601]  ? __lock_is_held+0xb5/0x140
[  427.902660]  ? kasan_check_write+0x14/0x20
[  427.906899]  ? __skb_clone+0x6c7/0xa00
[  427.910791]  ? __copy_skb_header+0x6b0/0x6b0
[  427.915192]  ? kmem_cache_alloc+0x33a/0x730
[  427.919511]  skb_ensure_writable+0x3dd/0x640
[  427.923909]  ? skb_checksum_setup+0xaa0/0xaa0
[  427.928418]  ? check_preemption_disabled+0x48/0x280
[  427.933432]  ? __this_cpu_preempt_check+0x1c/0x20
[  427.938268]  ? __bpf_redirect+0x55b/0xb60
[  427.942426]  bpf_clone_redirect+0x14a/0x490
[  427.946739]  bpf_prog_88483476fbe68a28+0x6f0/0x1000
[  427.951743]  ? __sched_text_start+0x8/0x8
[  427.955884]  ? find_held_lock+0x36/0x1c0
[  427.959939]  ? lock_acquire+0x1ed/0x520
[  427.963900]  ? bpf_test_run+0x3ee/0x7a0
[  427.967870]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.973397]  ? check_preemption_disabled+0x48/0x280
[  427.978406]  ? kasan_check_read+0x11/0x20
[  427.982542]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  427.987807]  ? rcu_softirq_qs+0x20/0x20
[  427.991776]  ? preempt_schedule+0x4d/0x60
[  427.995917]  ? ___preempt_schedule+0x16/0x18
[  428.000318]  ? bpf_test_run+0x271/0x7a0
[  428.004291]  ? netlink_diag_dump+0x2a0/0x2a0
[  428.008688]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  428.014212]  ? bpf_test_init.isra.10+0x70/0x100
[  428.018873]  ? bpf_prog_test_run_skb+0x762/0xd90
[  428.023620]  ? bpf_test_finish.isra.9+0x260/0x260
[  428.028452]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  428.033977]  ? fput+0x130/0x1a0
[  428.037259]  ? __bpf_prog_get+0x9b/0x290
[  428.041324]  ? bpf_test_finish.isra.9+0x260/0x260
[  428.046169]  ? __do_sys_bpf+0x1898/0x4570
[  428.050309]  ? bpf_prog_load+0x1db0/0x1db0
[  428.054536]  ? find_held_lock+0x36/0x1c0
[  428.058596]  ? __might_fault+0x12b/0x1e0
[  428.062645]  ? lock_downgrade+0x900/0x900
[  428.066785]  ? lock_release+0xa00/0xa00
[  428.070746]  ? perf_trace_sched_process_exec+0x860/0x860
[  428.076184]  ? posix_ktime_get_ts+0x15/0x20
[  428.080494]  ? trace_hardirqs_off_caller+0x310/0x310
[  428.085600]  ? kasan_check_read+0x11/0x20
[  428.089733]  ? _copy_to_user+0xc8/0x110
[  428.093709]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  428.099234]  ? put_timespec64+0x10f/0x1b0
[  428.103369]  ? nsecs_to_jiffies+0x30/0x30
[  428.107515]  ? trace_hardirqs_off_caller+0x310/0x310
[  428.112611]  ? __x64_sys_bpf+0x73/0xb0
[  428.116486]  ? do_syscall_64+0x1b9/0x820
[  428.120533]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  428.125886]  ? syscall_return_slowpath+0x5e0/0x5e0
[  428.130820]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  428.135651]  ? trace_hardirqs_on_caller+0x310/0x310
[  428.140657]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  428.145662]  ? prepare_exit_to_usermode+0x291/0x3b0
[  428.150672]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  428.155514]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  428.160884] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #181
[  428.161034] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  428.167715] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  428.178188] syz-executor0 cpuset=syz0 mems_allowed=0
[  428.187515] Call Trace:
[  428.195167]  dump_stack+0x244/0x39d
[  428.198806]  ? dump_stack_print_info.cold.1+0x20/0x20
[  428.204019]  warn_alloc.cold.116+0xb7/0x1bd
[  428.208335]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  428.213170]  ? lock_downgrade+0x900/0x900
[  428.217322]  ? trace_hardirqs_off+0xb8/0x310
[  428.221725]  ? trace_hardirqs_off+0xb8/0x310
[  428.226128]  __alloc_pages_slowpath+0x2651/0x2de0
[  428.231067]  ? warn_alloc+0x120/0x120
[  428.234864]  ? warn_alloc+0x120/0x120
[  428.238677]  ? warn_alloc+0x120/0x120
[  428.242467]  ? trace_hardirqs_off+0xb8/0x310
[  428.246864]  ? print_usage_bug+0xc0/0xc0
[  428.250916]  ? print_usage_bug+0xc0/0xc0
[  428.254969]  ? __lock_acquire+0x62f/0x4c20
[  428.259191]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  428.264721]  ? should_fail+0x22d/0xd01
[  428.268600]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  428.273691]  ? __lock_acquire+0x62f/0x4c20
[  428.277932]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  428.283029]  ? __lock_acquire+0x62f/0x4c20
[  428.287252]  ? should_fail+0x22d/0xd01
[  428.291143]  ? mark_held_locks+0x130/0x130
[  428.295372]  ? mark_held_locks+0x130/0x130
[  428.299598]  ? zap_class+0x640/0x640
[  428.303299]  ? ret_from_fork+0x3a/0x50
[  428.307174]  ? __lock_acquire+0x62f/0x4c20
[  428.311644]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.317173]  ? check_preemption_disabled+0x48/0x280
[  428.322188]  ? __lock_is_held+0xb5/0x140
[  428.326244]  __alloc_pages_nodemask+0xad8/0xea0
[  428.330909]  ? zap_class+0x640/0x640
[  428.334614]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  428.339625]  ? find_held_lock+0x36/0x1c0
[  428.343684]  ? ____cache_alloc_node+0x1c7/0x1e0
[  428.348344]  ? lock_downgrade+0x900/0x900
[  428.352505]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.358034]  cache_grow_begin+0xa5/0x8c0
[  428.362084]  ? do_raw_spin_unlock+0xa7/0x330
[  428.366482]  fallback_alloc+0x204/0x2e0
[  428.370459]  ____cache_alloc_node+0x1c7/0x1e0
[  428.374943]  kmem_cache_alloc_node+0xe3/0x730
[  428.379427]  ? mark_held_locks+0xc7/0x130
[  428.383571]  __alloc_skb+0x119/0x770
[  428.387283]  ? netdev_alloc_frag+0x1f0/0x1f0
[  428.391680]  ? do_raw_spin_trylock+0x270/0x270
[  428.396259]  ? kmem_cache_alloc_trace+0x353/0x750
[  428.401090]  ? queue_work_on+0x12c/0x1e0
[  428.405139]  ? switchdev_port_obj_del+0xe3/0x450
[  428.409883]  ? switchdev_trans_item_enqueue+0x260/0x260
[  428.415237]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  428.420255]  __br_mdb_notify+0x4ff/0x15d0
[  428.424422]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  428.429516]  ? __br_mdb_add+0x730/0x730
[  428.433495]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  428.438591]  ? debug_object_assert_init+0x368/0x4b0
[  428.443612]  ? debug_object_init_on_stack+0x20/0x20
[  428.448620]  br_mdb_notify+0x310/0x410
[  428.452495]  ? br_mdb_dump+0x25e0/0x25e0
[  428.456556]  br_multicast_del_pg+0x380/0x6d0
[  428.460955]  ? br_mdb_ip_get+0xe00/0xe00
[  428.465008]  ? rwlock_bug.part.2+0x90/0x90
[  428.469250]  ? __lock_is_held+0xb5/0x140
[  428.473304]  br_multicast_port_group_expired+0x189/0x1e0
[  428.478903]  call_timer_fn+0x272/0x920
[  428.482779]  ? br_multicast_del_pg+0x6d0/0x6d0
[  428.487344]  ? process_timeout+0x40/0x40
[  428.491397]  ? __run_timers+0x7da/0xc70
[  428.495359]  ? _raw_spin_unlock_irq+0x27/0x80
[  428.499840]  ? _raw_spin_unlock_irq+0x27/0x80
[  428.504319]  ? br_multicast_del_pg+0x6d0/0x6d0
[  428.508889]  ? lockdep_hardirqs_on+0x296/0x5b0
[  428.513460]  ? trace_hardirqs_on+0xbd/0x310
[  428.517770]  ? kasan_check_read+0x11/0x20
[  428.521903]  ? __run_timers+0x7da/0xc70
[  428.525863]  ? trace_hardirqs_off_caller+0x310/0x310
[  428.530956]  ? br_multicast_del_pg+0x6d0/0x6d0
[  428.535531]  ? br_multicast_del_pg+0x6d0/0x6d0
[  428.540096]  __run_timers+0x7e5/0xc70
[  428.543888]  ? timer_fixup_init+0x70/0x70
[  428.548022]  ? _raw_spin_unlock_irq+0x27/0x80
[  428.552502]  ? _raw_spin_unlock_irq+0x27/0x80
[  428.556989]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  428.561558]  ? trace_hardirqs_on+0xbd/0x310
[  428.565868]  ? kasan_check_read+0x11/0x20
[  428.570010]  ? finish_task_switch+0x1f4/0x910
[  428.574494]  ? trace_hardirqs_off_caller+0x310/0x310
[  428.579602]  ? compat_start_thread+0x80/0x80
[  428.584020]  ? pvclock_read_flags+0x160/0x160
[  428.588500]  ? __switch_to_asm+0x34/0x70
[  428.592564]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.598094]  ? check_preemption_disabled+0x48/0x280
[  428.603103]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  428.608626]  ? rcu_pm_notify+0xc0/0xc0
[  428.612501]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.618026]  ? check_preemption_disabled+0x48/0x280
[  428.623033]  run_timer_softirq+0x52/0xb0
[  428.627078]  ? rcu_read_lock_sched_held+0x14f/0x180
[  428.632080]  __do_softirq+0x308/0xb7e
[  428.635870]  ? retint_kernel+0x2d/0x2d
[  428.639746]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  428.644835]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  428.650270]  ? rcu_irq_enter+0x18c/0x310
[  428.654324]  ? schedule+0x108/0x460
[  428.657936]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  428.662708]  ? trace_hardirqs_off+0xb8/0x310
[  428.667103]  ? smpboot_thread_fn+0x68b/0xa00
[  428.671499]  ? trace_hardirqs_on+0x310/0x310
[  428.675902]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  428.681432]  ? check_preemption_disabled+0x48/0x280
[  428.686445]  ? takeover_tasklets+0xa90/0xa90
[  428.690847]  run_ksoftirqd+0x5e/0x100
[  428.694635]  smpboot_thread_fn+0x68b/0xa00
[  428.698866]  ? sort_range+0x30/0x30
[  428.702483]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  428.707578]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  428.713117]  ? __kthread_parkme+0xfb/0x1a0
[  428.717344]  ? sort_range+0x30/0x30
[  428.720965]  kthread+0x35a/0x440
[  428.724327]  ? kthread_stop+0x900/0x900
[  428.728304]  ret_from_fork+0x3a/0x50
[  428.732015] warn_alloc_show_mem: 1 callbacks suppressed
[  428.732024] CPU: 1 PID: 16176 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #181
[  428.732025] Mem-Info:
[  428.732052] active_anon:54949 inactive_anon:10067 isolated_anon:0
[  428.732052]  active_file:12 inactive_file:12 isolated_file:0
[  428.732052]  unevictable:0 dirty:0 writeback:0 unstable:0
[  428.732052]  slab_reclaimable:9454 slab_unreclaimable:1442611
[  428.732052]  mapped:40962 shmem:10230 pagetables:596 bounce:0
[  428.732052]  free:13765 free_pcp:525 free_cma:0
[  428.737379] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  428.737385] Call Trace:
[  428.744733] Node 0 active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:40920kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 202752kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  428.747122]  <IRQ>
[  428.780320] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  428.789660]  dump_stack+0x244/0x39d
[  428.792206] lowmem_reserve[]: 0 2818 6321 6321
[  428.820037]  ? dump_stack_print_info.cold.1+0x20/0x20
[  428.822155] Node 0 DMA32 free:25248kB 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:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  428.848254]  warn_alloc.cold.116+0xb7/0x1bd
[  428.851841] lowmem_reserve[]: 0 0 3503 3503
[  428.856403]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  428.861559] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2384kB bounce:0kB free_pcp:1852kB local_pcp:1500kB free_cma:0kB
[  428.888862]  ? lock_downgrade+0x900/0x900
[  428.893153] lowmem_reserve[]: 0 0 0 0
[  428.897467]  ? trace_hardirqs_off+0xb8/0x310
[  428.902272] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  428.931491]  ? trace_hardirqs_off+0xb8/0x310
[  428.935607] Node 0 DMA32: 4*4kB (UM) 0*8kB 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB
[  428.939397]  __alloc_pages_slowpath+0x2651/0x2de0
[  428.943767] Node 0 Normal: 1308*4kB (ME) 392*8kB (UME) 140*16kB (ME) 47*32kB (ME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  428.957288]  ? warn_alloc+0x120/0x120
[  428.961651] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  428.976540]  ? warn_alloc+0x120/0x120
[  428.981353] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  428.995982]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  428.999748] 10254 total pagecache pages
[  429.008563]  ? warn_alloc+0x120/0x120
[  429.012345] 0 pages in swap cache
[  429.020933]  ? print_usage_bug+0xc0/0xc0
[  429.025928] Swap cache stats: add 0, delete 0, find 0/0
[  429.029877]  ? print_usage_bug+0xc0/0xc0
[  429.033646] Free swap  = 0kB
[  429.037081]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  429.041109] Total swap = 0kB
[  429.046456]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  429.050480] 1965979 pages RAM
[  429.053481]  ? should_fail+0x22d/0xd01
[  429.058666] 0 pages HighMem/MovableOnly
[  429.061668]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  429.067167] 342853 pages reserved
[  429.067173] 0 pages cma reserved
[  429.070269]  ? __lock_acquire+0x62f/0x4c20
[  429.074281] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  429.078089]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  429.083169] ksoftirqd/0 cpuset=/ mems_allowed=0
[  429.086604]  ? should_fail+0x22d/0xd01
[  429.118146]  ? mark_held_locks+0x130/0x130
[  429.122370]  ? mark_held_locks+0x130/0x130
[  429.126591]  ? print_usage_bug+0xc0/0xc0
[  429.130643]  ? find_held_lock+0x36/0x1c0
[  429.134692]  ? zap_class+0x640/0x640
[  429.138405]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.144031]  ? check_preemption_disabled+0x48/0x280
[  429.149042]  ? __lock_is_held+0xb5/0x140
[  429.153096]  __alloc_pages_nodemask+0xad8/0xea0
[  429.157751]  ? zap_class+0x640/0x640
[  429.161459]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  429.166477]  ? find_held_lock+0x36/0x1c0
[  429.170532]  ? ____cache_alloc_node+0x1c7/0x1e0
[  429.175192]  ? lock_downgrade+0x900/0x900
[  429.179334]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.184860]  cache_grow_begin+0xa5/0x8c0
[  429.188931]  ? do_raw_spin_unlock+0xa7/0x330
[  429.193430]  fallback_alloc+0x204/0x2e0
[  429.197400]  ____cache_alloc_node+0x1c7/0x1e0
[  429.201891]  kmem_cache_alloc_node+0xe3/0x730
[  429.206383]  ? mark_held_locks+0xc7/0x130
[  429.210548]  __alloc_skb+0x119/0x770
[  429.214260]  ? netdev_alloc_frag+0x1f0/0x1f0
[  429.218667]  ? do_raw_spin_trylock+0x270/0x270
[  429.223243]  ? kmem_cache_alloc_trace+0x353/0x750
[  429.228083]  ? queue_work_on+0x12c/0x1e0
[  429.232146]  ? switchdev_port_obj_del+0xe3/0x450
[  429.236893]  ? switchdev_trans_item_enqueue+0x260/0x260
[  429.242253]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  429.247277]  __br_mdb_notify+0x4ff/0x15d0
[  429.251412]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  429.256513]  ? __br_mdb_add+0x730/0x730
[  429.260484]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  429.265581]  ? debug_object_assert_init+0x368/0x4b0
[  429.270606]  ? debug_object_init_on_stack+0x20/0x20
[  429.275610]  ? zap_class+0x640/0x640
[  429.279317]  br_mdb_notify+0x310/0x410
[  429.283194]  ? br_mdb_dump+0x25e0/0x25e0
[  429.287251]  br_multicast_del_pg+0x380/0x6d0
[  429.291652]  ? br_mdb_ip_get+0xe00/0xe00
[  429.295706]  ? rwlock_bug.part.2+0x90/0x90
[  429.300052]  ? __lock_is_held+0xb5/0x140
[  429.304109]  br_multicast_port_group_expired+0x189/0x1e0
[  429.309554]  call_timer_fn+0x272/0x920
[  429.313428]  ? br_multicast_del_pg+0x6d0/0x6d0
[  429.317997]  ? process_timeout+0x40/0x40
[  429.322051]  ? __run_timers+0x7da/0xc70
[  429.326015]  ? _raw_spin_unlock_irq+0x27/0x80
[  429.330497]  ? _raw_spin_unlock_irq+0x27/0x80
[  429.334978]  ? br_multicast_del_pg+0x6d0/0x6d0
[  429.339551]  ? lockdep_hardirqs_on+0x296/0x5b0
[  429.344126]  ? trace_hardirqs_on+0xbd/0x310
[  429.348438]  ? kasan_check_read+0x11/0x20
[  429.352577]  ? __run_timers+0x7da/0xc70
[  429.356565]  ? trace_hardirqs_off_caller+0x310/0x310
[  429.361656]  ? br_multicast_del_pg+0x6d0/0x6d0
[  429.366236]  ? br_multicast_del_pg+0x6d0/0x6d0
[  429.370815]  __run_timers+0x7e5/0xc70
[  429.374611]  ? timer_fixup_init+0x70/0x70
[  429.378753]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  429.383757]  ? zap_class+0x640/0x640
[  429.387458]  ? enqueue_hrtimer+0x1a5/0x560
[  429.391683]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  429.396864]  ? find_held_lock+0x36/0x1c0
[  429.400939]  ? zap_class+0x640/0x640
[  429.404647]  ? pvclock_read_flags+0x160/0x160
[  429.409129]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.414653]  ? check_preemption_disabled+0x48/0x280
[  429.419663]  ? __lock_is_held+0xb5/0x140
[  429.423717]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.429250]  ? check_preemption_disabled+0x48/0x280
[  429.434267]  run_timer_softirq+0x52/0xb0
[  429.438319]  ? rcu_read_lock_sched_held+0x14f/0x180
[  429.443331]  __do_softirq+0x308/0xb7e
[  429.447125]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  429.451626]  ? lock_downgrade+0x900/0x900
[  429.455877]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  429.460976]  ? pvclock_read_flags+0x160/0x160
[  429.465464]  ? lapic_next_event+0x5a/0x90
[  429.469625]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.475168]  ? kvm_clock_read+0x18/0x30
[  429.479133]  ? kvm_sched_clock_read+0x9/0x20
[  429.483550]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.489078]  ? check_preemption_disabled+0x48/0x280
[  429.494094]  irq_exit+0x17f/0x1c0
[  429.497534]  smp_apic_timer_interrupt+0x1cb/0x760
[  429.502363]  ? smp_reschedule_interrupt+0x109/0x650
[  429.507371]  ? smp_call_function_single_interrupt+0x650/0x650
[  429.513259]  ? interrupt_entry+0xb5/0xc0
[  429.517311]  ? trace_hardirqs_off_caller+0xbb/0x310
[  429.522408]  ? trace_hardirqs_off_caller+0xbb/0x310
[  429.527420]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  429.532257]  ? trace_hardirqs_on_caller+0x310/0x310
[  429.537258]  ? trace_hardirqs_on_caller+0x310/0x310
[  429.542261]  ? task_prio+0x50/0x50
[  429.545790]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.551314]  ? check_preemption_disabled+0x48/0x280
[  429.556320]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  429.561181]  apic_timer_interrupt+0xf/0x20
[  429.565401]  </IRQ>
[  429.567631] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  429.573505] Code: 3e 7e 0f 85 32 ff ff ff e8 03 6a 3d ff e9 28 ff ff ff e8 4a 99 c2 ff 48 83 3d c2 ed 8e 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 ca 05
[  429.592396] RSP: 0018:ffff888198b071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  429.600088] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  429.607347] RDX: 0000000000000000 RSI: ffff8881bbc289c0 RDI: 0000000000000286
[  429.614611] RBP: ffff888198b07250 R08: ffff8881bbc28140 R09: 0000000000000000
[  429.621883] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800940
[  429.629146] R13: ffff8881da800940 R14: 0000000000000000 R15: 0000000000000286
[  429.636425]  ? save_stack+0xa9/0xd0
[  429.640046]  __kmalloc_node_track_caller+0x3c/0x70
[  429.644963]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  429.649723]  pskb_expand_head+0x230/0x10f0
[  429.653953]  ? memcpy+0x45/0x50
[  429.657224]  ? __copy_skb_header+0x350/0x6b0
[  429.661628]  ? skb_release_data+0x9a0/0x9a0
[  429.665945]  ? __alloc_skb+0x770/0x770
[  429.669823]  ? __lock_is_held+0xb5/0x140
[  429.673885]  ? kasan_check_write+0x14/0x20
[  429.678111]  ? __skb_clone+0x6c7/0xa00
[  429.681991]  ? __copy_skb_header+0x6b0/0x6b0
[  429.686386]  ? kmem_cache_alloc+0x33a/0x730
[  429.690713]  skb_ensure_writable+0x3dd/0x640
[  429.695119]  ? skb_checksum_setup+0xaa0/0xaa0
[  429.699604]  ? check_preemption_disabled+0x48/0x280
[  429.704619]  ? __this_cpu_preempt_check+0x1c/0x20
[  429.709452]  ? __bpf_redirect+0x55b/0xb60
[  429.713598]  bpf_clone_redirect+0x14a/0x490
[  429.717933]  bpf_prog_88483476fbe68a28+0x6f0/0x1000
[  429.722937]  ? __sched_text_start+0x8/0x8
[  429.727082]  ? find_held_lock+0x36/0x1c0
[  429.731135]  ? lock_acquire+0x1ed/0x520
[  429.735099]  ? bpf_test_run+0x3ee/0x7a0
[  429.739079]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.744684]  ? check_preemption_disabled+0x48/0x280
[  429.749690]  ? kasan_check_read+0x11/0x20
[  429.753849]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  429.759110]  ? rcu_softirq_qs+0x20/0x20
[  429.763073]  ? preempt_schedule+0x4d/0x60
[  429.767205]  ? ___preempt_schedule+0x16/0x18
[  429.771627]  ? bpf_test_run+0x271/0x7a0
[  429.775605]  ? netlink_diag_dump+0x2a0/0x2a0
[  429.780002]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  429.785531]  ? bpf_test_init.isra.10+0x70/0x100
[  429.790200]  ? bpf_prog_test_run_skb+0x762/0xd90
[  429.794947]  ? bpf_test_finish.isra.9+0x260/0x260
[  429.799780]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  429.805304]  ? fput+0x130/0x1a0
[  429.808575]  ? __bpf_prog_get+0x9b/0x290
[  429.812627]  ? bpf_test_finish.isra.9+0x260/0x260
[  429.817456]  ? __do_sys_bpf+0x1898/0x4570
[  429.821593]  ? bpf_prog_load+0x1db0/0x1db0
[  429.825815]  ? find_held_lock+0x36/0x1c0
[  429.829869]  ? __might_fault+0x12b/0x1e0
[  429.833926]  ? lock_downgrade+0x900/0x900
[  429.838065]  ? lock_release+0xa00/0xa00
[  429.842023]  ? perf_trace_sched_process_exec+0x860/0x860
[  429.847456]  ? posix_ktime_get_ts+0x15/0x20
[  429.851766]  ? trace_hardirqs_off_caller+0x310/0x310
[  429.856874]  ? kasan_check_read+0x11/0x20
[  429.861012]  ? _copy_to_user+0xc8/0x110
[  429.864978]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  429.870504]  ? put_timespec64+0x10f/0x1b0
[  429.874637]  ? nsecs_to_jiffies+0x30/0x30
[  429.878787]  ? trace_hardirqs_off_caller+0x310/0x310
[  429.883889]  ? __x64_sys_bpf+0x73/0xb0
[  429.887766]  ? do_syscall_64+0x1b9/0x820
[  429.891813]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  429.897164]  ? syscall_return_slowpath+0x5e0/0x5e0
[  429.902086]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  429.906925]  ? trace_hardirqs_on_caller+0x310/0x310
[  429.911932]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  429.916956]  ? prepare_exit_to_usermode+0x291/0x3b0
[  429.921963]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  429.926799]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  429.932169] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #181
[  429.932349] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  429.938995] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  429.939001] Call Trace:
[  429.949462] syz-executor0 cpuset=syz0 mems_allowed=0
[  429.958818]  dump_stack+0x244/0x39d
[  429.970060]  ? dump_stack_print_info.cold.1+0x20/0x20
[  429.975253]  warn_alloc.cold.116+0xb7/0x1bd
[  429.979576]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  429.984411]  ? lock_downgrade+0x900/0x900
[  429.988559]  ? trace_hardirqs_off+0xb8/0x310
[  429.992965]  ? trace_hardirqs_off+0xb8/0x310
[  429.997381]  __alloc_pages_slowpath+0x2651/0x2de0
[  430.002255]  ? warn_alloc+0x120/0x120
[  430.006051]  ? warn_alloc+0x120/0x120
[  430.009839]  ? warn_alloc+0x120/0x120
[  430.013625]  ? trace_hardirqs_off+0xb8/0x310
[  430.018023]  ? print_usage_bug+0xc0/0xc0
[  430.022073]  ? print_usage_bug+0xc0/0xc0
[  430.026123]  ? __lock_acquire+0x62f/0x4c20
[  430.030346]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  430.035882]  ? should_fail+0x22d/0xd01
[  430.039762]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  430.044967]  ? __lock_acquire+0x62f/0x4c20
[  430.049193]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  430.054285]  ? __lock_acquire+0x62f/0x4c20
[  430.058503]  ? should_fail+0x22d/0xd01
[  430.062384]  ? mark_held_locks+0x130/0x130
[  430.066607]  ? mark_held_locks+0x130/0x130
[  430.070832]  ? zap_class+0x640/0x640
[  430.074530]  ? ret_from_fork+0x3a/0x50
[  430.078404]  ? __lock_acquire+0x62f/0x4c20
[  430.082627]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.088169]  ? check_preemption_disabled+0x48/0x280
[  430.093179]  ? __lock_is_held+0xb5/0x140
[  430.097232]  __alloc_pages_nodemask+0xad8/0xea0
[  430.101897]  ? zap_class+0x640/0x640
[  430.105612]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  430.110629]  ? find_held_lock+0x36/0x1c0
[  430.114695]  ? ____cache_alloc_node+0x1c7/0x1e0
[  430.119353]  ? lock_downgrade+0x900/0x900
[  430.123496]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.129026]  cache_grow_begin+0xa5/0x8c0
[  430.133072]  ? do_raw_spin_unlock+0xa7/0x330
[  430.137494]  fallback_alloc+0x204/0x2e0
[  430.141464]  ____cache_alloc_node+0x1c7/0x1e0
[  430.145953]  kmem_cache_alloc_node+0xe3/0x730
[  430.150445]  ? mark_held_locks+0xc7/0x130
[  430.154603]  __alloc_skb+0x119/0x770
[  430.158310]  ? netdev_alloc_frag+0x1f0/0x1f0
[  430.162706]  ? do_raw_spin_trylock+0x270/0x270
[  430.167361]  ? kmem_cache_alloc_trace+0x353/0x750
[  430.172193]  ? queue_work_on+0x12c/0x1e0
[  430.176245]  ? switchdev_port_obj_del+0xe3/0x450
[  430.180987]  ? switchdev_trans_item_enqueue+0x260/0x260
[  430.186340]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  430.191522]  __br_mdb_notify+0x4ff/0x15d0
[  430.195658]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  430.200754]  ? __br_mdb_add+0x730/0x730
[  430.204728]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  430.209820]  ? debug_object_assert_init+0x368/0x4b0
[  430.214828]  ? debug_object_init_on_stack+0x20/0x20
[  430.219851]  br_mdb_notify+0x310/0x410
[  430.223739]  ? br_mdb_dump+0x25e0/0x25e0
[  430.227802]  br_multicast_del_pg+0x380/0x6d0
[  430.232203]  ? br_mdb_ip_get+0xe00/0xe00
[  430.236250]  ? rwlock_bug.part.2+0x90/0x90
[  430.240474]  ? __lock_is_held+0xb5/0x140
[  430.244527]  br_multicast_port_group_expired+0x189/0x1e0
[  430.249970]  call_timer_fn+0x272/0x920
[  430.253844]  ? br_multicast_del_pg+0x6d0/0x6d0
[  430.258422]  ? process_timeout+0x40/0x40
[  430.262477]  ? __run_timers+0x7da/0xc70
[  430.266442]  ? _raw_spin_unlock_irq+0x27/0x80
[  430.270922]  ? _raw_spin_unlock_irq+0x27/0x80
[  430.275402]  ? br_multicast_del_pg+0x6d0/0x6d0
[  430.280006]  ? lockdep_hardirqs_on+0x296/0x5b0
[  430.284596]  ? trace_hardirqs_on+0xbd/0x310
[  430.288906]  ? kasan_check_read+0x11/0x20
[  430.293044]  ? __run_timers+0x7da/0xc70
[  430.297026]  ? trace_hardirqs_off_caller+0x310/0x310
[  430.302379]  ? br_multicast_del_pg+0x6d0/0x6d0
[  430.306950]  ? br_multicast_del_pg+0x6d0/0x6d0
[  430.311744]  __run_timers+0x7e5/0xc70
[  430.315544]  ? timer_fixup_init+0x70/0x70
[  430.319682]  ? _raw_spin_unlock_irq+0x27/0x80
[  430.324164]  ? _raw_spin_unlock_irq+0x27/0x80
[  430.328645]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  430.333220]  ? trace_hardirqs_on+0xbd/0x310
[  430.337530]  ? kasan_check_read+0x11/0x20
[  430.341670]  ? finish_task_switch+0x1f4/0x910
[  430.346155]  ? trace_hardirqs_off_caller+0x310/0x310
[  430.351244]  ? compat_start_thread+0x80/0x80
[  430.355661]  ? pvclock_read_flags+0x160/0x160
[  430.360145]  ? __switch_to_asm+0x34/0x70
[  430.364210]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.369741]  ? check_preemption_disabled+0x48/0x280
[  430.374756]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  430.380286]  ? rcu_pm_notify+0xc0/0xc0
[  430.384164]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.389696]  ? check_preemption_disabled+0x48/0x280
[  430.394711]  run_timer_softirq+0x52/0xb0
[  430.398761]  ? rcu_read_lock_sched_held+0x14f/0x180
[  430.403769]  __do_softirq+0x308/0xb7e
[  430.407564]  ? retint_kernel+0x2d/0x2d
[  430.411446]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  430.416539]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  430.421979]  ? rcu_irq_enter+0x18c/0x310
[  430.426035]  ? schedule+0x108/0x460
[  430.429656]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  430.434420]  ? trace_hardirqs_off+0xb8/0x310
[  430.438837]  ? smpboot_thread_fn+0x68b/0xa00
[  430.443239]  ? trace_hardirqs_on+0x310/0x310
[  430.447638]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  430.453162]  ? check_preemption_disabled+0x48/0x280
[  430.458167]  ? takeover_tasklets+0xa90/0xa90
[  430.462566]  run_ksoftirqd+0x5e/0x100
[  430.466356]  smpboot_thread_fn+0x68b/0xa00
[  430.470590]  ? sort_range+0x30/0x30
[  430.474201]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  430.479483]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  430.485007]  ? __kthread_parkme+0xfb/0x1a0
[  430.489234]  ? sort_range+0x30/0x30
[  430.492857]  kthread+0x35a/0x440
[  430.496215]  ? kthread_stop+0x900/0x900
[  430.500182]  ret_from_fork+0x3a/0x50
[  430.503899] CPU: 1 PID: 16176 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #181
[  430.503902] warn_alloc_show_mem: 1 callbacks suppressed
[  430.503908] Mem-Info:
[  430.511255] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  430.516607] active_anon:54949 inactive_anon:10067 isolated_anon:0
[  430.516607]  active_file:12 inactive_file:12 isolated_file:0
[  430.516607]  unevictable:0 dirty:0 writeback:0 unstable:0
[  430.516607]  slab_reclaimable:9454 slab_unreclaimable:1442611
[  430.516607]  mapped:40962 shmem:10230 pagetables:596 bounce:0
[  430.516607]  free:13765 free_pcp:525 free_cma:0
[  430.518979] Call Trace:
[  430.528345] Node 0 active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:40920kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 202752kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  430.561534]  <IRQ>
[  430.564099] 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
[  430.592015]  dump_stack+0x244/0x39d
[  430.594131] lowmem_reserve[]: 0 2818 6321 6321
[  430.620226]  ? dump_stack_print_info.cold.1+0x20/0x20
[  430.623818] Node 0 DMA32 free:25248kB 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:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  430.628398]  warn_alloc.cold.116+0xb7/0x1bd
[  430.633541] lowmem_reserve[]: 0 0 3503 3503
[  430.660857]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  430.665144] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2384kB bounce:0kB free_pcp:1852kB local_pcp:1500kB free_cma:0kB
[  430.669451]  ? lock_downgrade+0x900/0x900
[  430.674255] lowmem_reserve[]: 0 0 0 0
[  430.703496]  ? trace_hardirqs_off+0xb8/0x310
[  430.707609] 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
[  430.711397]  ? trace_hardirqs_off+0xb8/0x310
[  430.715771] Node 0 DMA32: 4*4kB (UM) 0*8kB 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB
[  430.729279]  __alloc_pages_slowpath+0x2651/0x2de0
[  430.733649] Node 0 Normal: 1308*4kB (ME) 392*8kB (UME) 140*16kB (ME) 47*32kB (ME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  430.748562]  ? warn_alloc+0x120/0x120
[  430.753357] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  430.768765]  ? warn_alloc+0x120/0x120
[  430.772537] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  430.781459]  ? warn_alloc+0x120/0x120
[  430.785226] 10254 total pagecache pages
[  430.793782]  ? print_usage_bug+0xc0/0xc0
[  430.797555] 0 pages in swap cache
[  430.801505]  ? warn_alloc+0x120/0x120
[  430.805537] Swap cache stats: add 0, delete 0, find 0/0
[  430.808970]  ? print_usage_bug+0xc0/0xc0
[  430.812736] Free swap  = 0kB
[  430.818084]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  430.822109] Total swap = 0kB
[  430.825194]  ? should_fail+0x22d/0xd01
[  430.830700] 1965979 pages RAM
[  430.833696]  ? __lock_acquire+0x62f/0x4c20
[  430.837542] 0 pages HighMem/MovableOnly
[  430.837548] 342853 pages reserved
[  430.840632]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  430.844839] 0 pages cma reserved
[  430.848793]  ? __lock_acquire+0x62f/0x4c20
[  430.852388] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  430.857302]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  430.860646] ksoftirqd/0 cpuset=/ mems_allowed=0
[  430.864856]  ? __lock_acquire+0x62f/0x4c20
[  430.864869]  ? should_fail+0x22d/0xd01
[  430.892962]  ? mark_held_locks+0x130/0x130
[  430.897186]  ? mark_held_locks+0x130/0x130
[  430.901406]  ? try_to_wake_up+0x11c/0x1440
[  430.905639]  ? lock_downgrade+0x900/0x900
[  430.909775]  ? zap_class+0x640/0x640
[  430.913480]  ? print_usage_bug+0xc0/0xc0
[  430.917528]  ? trace_hardirqs_off+0xb8/0x310
[  430.921925]  ? kasan_check_read+0x11/0x20
[  430.926065]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.931606]  ? check_preemption_disabled+0x48/0x280
[  430.936623]  ? __lock_is_held+0xb5/0x140
[  430.940690]  __alloc_pages_nodemask+0xad8/0xea0
[  430.945348]  ? zap_class+0x640/0x640
[  430.949058]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  430.954076]  ? find_held_lock+0x36/0x1c0
[  430.958134]  ? ____cache_alloc_node+0x1c7/0x1e0
[  430.962799]  ? lock_downgrade+0x900/0x900
[  430.966961]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.972497]  cache_grow_begin+0xa5/0x8c0
[  430.976547]  ? do_raw_spin_unlock+0xa7/0x330
[  430.980953]  fallback_alloc+0x204/0x2e0
[  430.984934]  ____cache_alloc_node+0x1c7/0x1e0
[  430.989423]  kmem_cache_alloc_node+0xe3/0x730
[  430.993906]  ? ipv6_get_ifaddr+0x42e/0x620
[  430.998136]  __alloc_skb+0x119/0x770
[  431.001842]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  431.007122]  ? netdev_alloc_frag+0x1f0/0x1f0
[  431.011525]  ? lock_downgrade+0x900/0x900
[  431.015670]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.021200]  ? refcount_sub_and_test_checked+0x203/0x310
[  431.026663]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  431.032099]  ? addrconf_rs_timer+0x690/0x690
[  431.036504]  ndisc_alloc_skb+0x144/0x340
[  431.040564]  ndisc_send_rs+0x331/0x6e0
[  431.044443]  addrconf_rs_timer+0x314/0x690
[  431.048673]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  431.052912]  call_timer_fn+0x272/0x920
[  431.056786]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  431.061012]  ? process_timeout+0x40/0x40
[  431.065063]  ? __run_timers+0x7da/0xc70
[  431.069035]  ? _raw_spin_unlock_irq+0x27/0x80
[  431.073515]  ? _raw_spin_unlock_irq+0x27/0x80
[  431.077998]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  431.082223]  ? lockdep_hardirqs_on+0x296/0x5b0
[  431.086794]  ? trace_hardirqs_on+0xbd/0x310
[  431.091193]  ? kasan_check_read+0x11/0x20
[  431.095323]  ? __run_timers+0x7da/0xc70
[  431.099285]  ? trace_hardirqs_off_caller+0x310/0x310
[  431.104389]  ? __queue_work+0x1440/0x1440
[  431.108530]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  431.112755]  __run_timers+0x7e5/0xc70
[  431.116566]  ? timer_fixup_init+0x70/0x70
[  431.120702]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  431.125704]  ? zap_class+0x640/0x640
[  431.129406]  ? enqueue_hrtimer+0x1a5/0x560
[  431.133631]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  431.138841]  ? find_held_lock+0x36/0x1c0
[  431.142909]  ? zap_class+0x640/0x640
[  431.146621]  ? pvclock_read_flags+0x160/0x160
[  431.151102]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.156625]  ? check_preemption_disabled+0x48/0x280
[  431.161633]  ? __lock_is_held+0xb5/0x140
[  431.165680]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.171205]  ? check_preemption_disabled+0x48/0x280
[  431.176210]  run_timer_softirq+0x52/0xb0
[  431.180259]  ? rcu_read_lock_sched_held+0x14f/0x180
[  431.185351]  __do_softirq+0x308/0xb7e
[  431.189139]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  431.193617]  ? lock_downgrade+0x900/0x900
[  431.197754]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  431.202851]  ? pvclock_read_flags+0x160/0x160
[  431.207351]  ? lapic_next_event+0x5a/0x90
[  431.211489]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.217023]  ? kvm_clock_read+0x18/0x30
[  431.220990]  ? kvm_sched_clock_read+0x9/0x20
[  431.225389]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.230935]  ? check_preemption_disabled+0x48/0x280
[  431.235948]  irq_exit+0x17f/0x1c0
[  431.239397]  smp_apic_timer_interrupt+0x1cb/0x760
[  431.244226]  ? smp_reschedule_interrupt+0x109/0x650
[  431.249232]  ? smp_call_function_single_interrupt+0x650/0x650
[  431.255102]  ? interrupt_entry+0xb5/0xc0
[  431.259149]  ? trace_hardirqs_off_caller+0xbb/0x310
[  431.264155]  ? trace_hardirqs_off_caller+0xbb/0x310
[  431.269161]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  431.273990]  ? trace_hardirqs_on_caller+0x310/0x310
[  431.278991]  ? trace_hardirqs_on_caller+0x310/0x310
[  431.283998]  ? task_prio+0x50/0x50
[  431.287528]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.293075]  ? check_preemption_disabled+0x48/0x280
[  431.298082]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  431.302917]  apic_timer_interrupt+0xf/0x20
[  431.307134]  </IRQ>
[  431.309363] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  431.315236] Code: 3e 7e 0f 85 32 ff ff ff e8 03 6a 3d ff e9 28 ff ff ff e8 4a 99 c2 ff 48 83 3d c2 ed 8e 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 ca 05
[  431.334153] RSP: 0018:ffff888198b071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  431.341849] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  431.349106] RDX: 0000000000000000 RSI: ffff8881bbc289c0 RDI: 0000000000000286
[  431.356381] RBP: ffff888198b07250 R08: ffff8881bbc28140 R09: 0000000000000000
[  431.363728] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800940
[  431.370987] R13: ffff8881da800940 R14: 0000000000000000 R15: 0000000000000286
[  431.378270]  ? save_stack+0xa9/0xd0
[  431.381899]  __kmalloc_node_track_caller+0x3c/0x70
[  431.386833]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  431.391588]  pskb_expand_head+0x230/0x10f0
[  431.395895]  ? memcpy+0x45/0x50
[  431.399169]  ? __copy_skb_header+0x350/0x6b0
[  431.403580]  ? skb_release_data+0x9a0/0x9a0
[  431.407892]  ? __alloc_skb+0x770/0x770
[  431.411773]  ? __lock_is_held+0xb5/0x140
[  431.415830]  ? kasan_check_write+0x14/0x20
[  431.420065]  ? __skb_clone+0x6c7/0xa00
[  431.423955]  ? __copy_skb_header+0x6b0/0x6b0
[  431.428348]  ? kmem_cache_alloc+0x33a/0x730
[  431.432668]  skb_ensure_writable+0x3dd/0x640
[  431.437066]  ? skb_checksum_setup+0xaa0/0xaa0
[  431.441552]  ? check_preemption_disabled+0x48/0x280
[  431.446563]  ? __this_cpu_preempt_check+0x1c/0x20
[  431.451392]  ? __bpf_redirect+0x55b/0xb60
[  431.455550]  bpf_clone_redirect+0x14a/0x490
[  431.459874]  bpf_prog_88483476fbe68a28+0x6f0/0x1000
[  431.464891]  ? __sched_text_start+0x8/0x8
[  431.469067]  ? find_held_lock+0x36/0x1c0
[  431.473138]  ? lock_acquire+0x1ed/0x520
[  431.477107]  ? bpf_test_run+0x3ee/0x7a0
[  431.481087]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.486615]  ? check_preemption_disabled+0x48/0x280
[  431.491631]  ? kasan_check_read+0x11/0x20
[  431.495779]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  431.501043]  ? rcu_softirq_qs+0x20/0x20
[  431.505011]  ? preempt_schedule+0x4d/0x60
[  431.509153]  ? ___preempt_schedule+0x16/0x18
[  431.513566]  ? bpf_test_run+0x271/0x7a0
[  431.517549]  ? netlink_diag_dump+0x2a0/0x2a0
[  431.521963]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  431.527488]  ? bpf_test_init.isra.10+0x70/0x100
[  431.532154]  ? bpf_prog_test_run_skb+0x762/0xd90
[  431.536906]  ? bpf_test_finish.isra.9+0x260/0x260
[  431.541754]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  431.547287]  ? fput+0x130/0x1a0
[  431.550561]  ? __bpf_prog_get+0x9b/0x290
[  431.554615]  ? bpf_test_finish.isra.9+0x260/0x260
[  431.559445]  ? __do_sys_bpf+0x1898/0x4570
[  431.563585]  ? bpf_prog_load+0x1db0/0x1db0
[  431.567812]  ? find_held_lock+0x36/0x1c0
[  431.571868]  ? __might_fault+0x12b/0x1e0
[  431.575921]  ? lock_downgrade+0x900/0x900
[  431.580063]  ? lock_release+0xa00/0xa00
[  431.584028]  ? perf_trace_sched_process_exec+0x860/0x860
[  431.589467]  ? posix_ktime_get_ts+0x15/0x20
[  431.593784]  ? trace_hardirqs_off_caller+0x310/0x310
[  431.598891]  ? kasan_check_read+0x11/0x20
[  431.603031]  ? _copy_to_user+0xc8/0x110
[  431.607000]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  431.612531]  ? put_timespec64+0x10f/0x1b0
[  431.616679]  ? nsecs_to_jiffies+0x30/0x30
[  431.620827]  ? trace_hardirqs_off_caller+0x310/0x310
[  431.625921]  ? __x64_sys_bpf+0x73/0xb0
[  431.629805]  ? do_syscall_64+0x1b9/0x820
[  431.633853]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  431.639206]  ? syscall_return_slowpath+0x5e0/0x5e0
[  431.644134]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  431.648965]  ? trace_hardirqs_on_caller+0x310/0x310
[  431.653972]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  431.658975]  ? prepare_exit_to_usermode+0x291/0x3b0
[  431.663982]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  431.668817]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  431.674288] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #181
[  431.674353] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  431.681118] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  431.681121] Call Trace:
[  431.681137]  dump_stack+0x244/0x39d
[  431.681153]  ? dump_stack_print_info.cold.1+0x20/0x20
[  431.687688] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  431.697061]  warn_alloc.cold.116+0xb7/0x1bd
[  431.699616] syz-executor0 cpuset=syz0 mems_allowed=0
[  431.703234]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  431.733051]  ? lock_downgrade+0x900/0x900
[  431.737190]  ? trace_hardirqs_off+0xb8/0x310
[  431.741592]  ? trace_hardirqs_off+0xb8/0x310
[  431.745995]  __alloc_pages_slowpath+0x2651/0x2de0
[  431.750851]  ? warn_alloc+0x120/0x120
[  431.754644]  ? warn_alloc+0x120/0x120
[  431.758433]  ? warn_alloc+0x120/0x120
[  431.762221]  ? trace_hardirqs_off+0xb8/0x310
[  431.766618]  ? print_usage_bug+0xc0/0xc0
[  431.770673]  ? print_usage_bug+0xc0/0xc0
[  431.774744]  ? __lock_acquire+0x62f/0x4c20
[  431.778971]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  431.784509]  ? should_fail+0x22d/0xd01
[  431.788413]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  431.793599]  ? __lock_acquire+0x62f/0x4c20
[  431.797838]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  431.802928]  ? __lock_acquire+0x62f/0x4c20
[  431.807150]  ? should_fail+0x22d/0xd01
[  431.811039]  ? mark_held_locks+0x130/0x130
[  431.815271]  ? mark_held_locks+0x130/0x130
[  431.819546]  ? zap_class+0x640/0x640
[  431.823249]  ? ret_from_fork+0x3a/0x50
[  431.827123]  ? __lock_acquire+0x62f/0x4c20
[  431.831358]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.836885]  ? check_preemption_disabled+0x48/0x280
[  431.841893]  ? __lock_is_held+0xb5/0x140
[  431.845945]  __alloc_pages_nodemask+0xad8/0xea0
[  431.850602]  ? zap_class+0x640/0x640
[  431.854304]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  431.859314]  ? find_held_lock+0x36/0x1c0
[  431.863368]  ? ____cache_alloc_node+0x1c7/0x1e0
[  431.868055]  ? lock_downgrade+0x900/0x900
[  431.872198]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.877724]  cache_grow_begin+0xa5/0x8c0
[  431.881774]  ? do_raw_spin_unlock+0xa7/0x330
[  431.886176]  fallback_alloc+0x204/0x2e0
[  431.890145]  ____cache_alloc_node+0x1c7/0x1e0
[  431.894632]  kmem_cache_alloc_node+0xe3/0x730
[  431.899116]  ? mark_held_locks+0xc7/0x130
[  431.903267]  __alloc_skb+0x119/0x770
[  431.906973]  ? netdev_alloc_frag+0x1f0/0x1f0
[  431.911370]  ? do_raw_spin_trylock+0x270/0x270
[  431.915941]  ? kmem_cache_alloc_trace+0x353/0x750
[  431.920779]  ? queue_work_on+0x12c/0x1e0
[  431.924829]  ? switchdev_port_obj_del+0xe3/0x450
[  431.929571]  ? switchdev_trans_item_enqueue+0x260/0x260
[  431.935015]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  431.940029]  __br_mdb_notify+0x4ff/0x15d0
[  431.944165]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  431.949260]  ? __br_mdb_add+0x730/0x730
[  431.953228]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  431.958316]  ? debug_object_assert_init+0x368/0x4b0
[  431.963324]  ? debug_object_init_on_stack+0x20/0x20
[  431.968333]  br_mdb_notify+0x310/0x410
[  431.972207]  ? br_mdb_dump+0x25e0/0x25e0
[  431.976266]  br_multicast_del_pg+0x380/0x6d0
[  431.980680]  ? br_mdb_ip_get+0xe00/0xe00
[  431.984727]  ? rwlock_bug.part.2+0x90/0x90
[  431.989061]  ? __lock_is_held+0xb5/0x140
[  431.993114]  br_multicast_port_group_expired+0x189/0x1e0
[  431.998550]  call_timer_fn+0x272/0x920
[  432.002422]  ? br_multicast_del_pg+0x6d0/0x6d0
[  432.006998]  ? process_timeout+0x40/0x40
[  432.011054]  ? __run_timers+0x7da/0xc70
[  432.015032]  ? _raw_spin_unlock_irq+0x27/0x80
[  432.019522]  ? _raw_spin_unlock_irq+0x27/0x80
[  432.024006]  ? br_multicast_del_pg+0x6d0/0x6d0
[  432.028576]  ? lockdep_hardirqs_on+0x296/0x5b0
[  432.033150]  ? trace_hardirqs_on+0xbd/0x310
[  432.037468]  ? kasan_check_read+0x11/0x20
[  432.041623]  ? __run_timers+0x7da/0xc70
[  432.045587]  ? trace_hardirqs_off_caller+0x310/0x310
[  432.050686]  ? br_multicast_del_pg+0x6d0/0x6d0
[  432.055262]  ? br_multicast_del_pg+0x6d0/0x6d0
[  432.059830]  __run_timers+0x7e5/0xc70
[  432.063647]  ? timer_fixup_init+0x70/0x70
[  432.067805]  ? _raw_spin_unlock_irq+0x27/0x80
[  432.072285]  ? _raw_spin_unlock_irq+0x27/0x80
[  432.076768]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  432.081338]  ? trace_hardirqs_on+0xbd/0x310
[  432.085643]  ? kasan_check_read+0x11/0x20
[  432.089871]  ? finish_task_switch+0x1f4/0x910
[  432.094358]  ? trace_hardirqs_off_caller+0x310/0x310
[  432.099450]  ? compat_start_thread+0x80/0x80
[  432.103871]  ? pvclock_read_flags+0x160/0x160
[  432.108349]  ? __switch_to_asm+0x34/0x70
[  432.112398]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.117920]  ? check_preemption_disabled+0x48/0x280
[  432.122929]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  432.128451]  ? rcu_pm_notify+0xc0/0xc0
[  432.132328]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.137849]  ? check_preemption_disabled+0x48/0x280
[  432.142854]  run_timer_softirq+0x52/0xb0
[  432.146906]  ? rcu_read_lock_sched_held+0x14f/0x180
[  432.151914]  __do_softirq+0x308/0xb7e
[  432.155707]  ? retint_kernel+0x2d/0x2d
[  432.159598]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  432.164687]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  432.170124]  ? rcu_irq_enter+0x18c/0x310
[  432.174179]  ? schedule+0x108/0x460
[  432.177798]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  432.182549]  ? trace_hardirqs_off+0xb8/0x310
[  432.186942]  ? smpboot_thread_fn+0x68b/0xa00
[  432.191336]  ? trace_hardirqs_on+0x310/0x310
[  432.195739]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  432.201264]  ? check_preemption_disabled+0x48/0x280
[  432.206269]  ? takeover_tasklets+0xa90/0xa90
[  432.210669]  run_ksoftirqd+0x5e/0x100
[  432.214456]  smpboot_thread_fn+0x68b/0xa00
[  432.218680]  ? sort_range+0x30/0x30
[  432.222298]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  432.227390]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  432.232912]  ? __kthread_parkme+0xfb/0x1a0
[  432.237137]  ? sort_range+0x30/0x30
[  432.240769]  kthread+0x35a/0x440
[  432.244127]  ? kthread_stop+0x900/0x900
[  432.248086]  ret_from_fork+0x3a/0x50
[  432.251800] warn_alloc_show_mem: 1 callbacks suppressed
[  432.251808] CPU: 1 PID: 16176 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #181
[  432.251810] Mem-Info:
[  432.251838] active_anon:54949 inactive_anon:10067 isolated_anon:0
[  432.251838]  active_file:12 inactive_file:12 isolated_file:0
[  432.251838]  unevictable:0 dirty:0 writeback:0 unstable:0
[  432.251838]  slab_reclaimable:9454 slab_unreclaimable:1442611
[  432.251838]  mapped:40962 shmem:10230 pagetables:596 bounce:0
[  432.251838]  free:13765 free_pcp:525 free_cma:0
[  432.257166] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  432.264526] Node 0 active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:40920kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 202752kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  432.266910] Call Trace:
[  432.300108] 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
[  432.309442]  <IRQ>
[  432.337458] lowmem_reserve[]: 0 2818 6321 6321
[  432.340046]  dump_stack+0x244/0x39d
[  432.366112] Node 0 DMA32 free:25248kB 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:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  432.368247]  ? dump_stack_print_info.cold.1+0x20/0x20
[  432.372785] lowmem_reserve[]: 0 0 3503 3503
[  432.376408]  warn_alloc.cold.116+0xb7/0x1bd
[  432.403688] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2384kB bounce:0kB free_pcp:1852kB local_pcp:1500kB free_cma:0kB
[  432.408864]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  432.413142] lowmem_reserve[]: 0 0 0 0
[  432.417452]  ? lock_downgrade+0x900/0x900
[  432.446650] 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
[  432.451481]  ? trace_hardirqs_off+0xb8/0x310
[  432.455242] Node 0 DMA32: 4*4kB (UM) 0*8kB 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB
[  432.459372]  ? trace_hardirqs_off+0xb8/0x310
[  432.472858] Node 0 Normal: 1308*4kB (ME) 392*8kB (UME) 140*16kB (ME) 47*32kB (ME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  432.477791]  __alloc_pages_slowpath+0x2651/0x2de0
[  432.492669] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  432.497070]  ? warn_alloc+0x120/0x120
[  432.511683] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  432.511689] 10254 total pagecache pages
[  432.516518]  ? print_usage_bug+0xc0/0xc0
[  432.525414] 0 pages in swap cache
[  432.529189]  ? warn_alloc+0x120/0x120
[  432.537732] Swap cache stats: add 0, delete 0, find 0/0
[  432.541690]  ? warn_alloc+0x120/0x120
[  432.545722] Free swap  = 0kB
[  432.549165]  ? print_usage_bug+0xc0/0xc0
[  432.552929] Total swap = 0kB
[  432.558272]  ? kvm_clock_read+0x18/0x30
[  432.562037] 1965979 pages RAM
[  432.565048]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  432.569067] 0 pages HighMem/MovableOnly
[  432.569073] 342853 pages reserved
[  432.572070]  ? print_usage_bug+0xc0/0xc0
[  432.576010] 0 pages cma reserved
[  432.579094]  ? __lock_acquire+0x62f/0x4c20
[  432.584234] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  432.588029]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  432.591445] ksoftirqd/0 cpuset=/ mems_allowed=0
[  432.595490]  ? should_fail+0x22d/0xd01
[  432.627356]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  432.632633]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  432.637724]  ? __lock_acquire+0x62f/0x4c20
[  432.641950]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  432.647041]  ? __lock_acquire+0x62f/0x4c20
[  432.651267]  ? should_fail+0x22d/0xd01
[  432.655141]  ? rcu_irq_exit+0x1a2/0x390
[  432.659109]  ? mark_held_locks+0x130/0x130
[  432.663337]  ? mark_held_locks+0x130/0x130
[  432.667565]  ? mark_held_locks+0xc7/0x130
[  432.671704]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  432.676710]  ? zap_class+0x640/0x640
[  432.680419]  ? print_usage_bug+0xc0/0xc0
[  432.684475]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.690005]  ? check_preemption_disabled+0x48/0x280
[  432.695018]  ? __lock_is_held+0xb5/0x140
[  432.699082]  __alloc_pages_nodemask+0xad8/0xea0
[  432.703738]  ? zap_class+0x640/0x640
[  432.707446]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  432.712460]  ? find_held_lock+0x36/0x1c0
[  432.716527]  ? ____cache_alloc_node+0x1c7/0x1e0
[  432.721181]  ? lock_downgrade+0x900/0x900
[  432.725320]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.730845]  cache_grow_begin+0xa5/0x8c0
[  432.734895]  ? do_raw_spin_unlock+0xa7/0x330
[  432.739295]  fallback_alloc+0x204/0x2e0
[  432.743267]  ____cache_alloc_node+0x1c7/0x1e0
[  432.747754]  kmem_cache_alloc_node+0xe3/0x730
[  432.752242]  ? ipv6_get_ifaddr+0x42e/0x620
[  432.756496]  __alloc_skb+0x119/0x770
[  432.760195]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  432.765464]  ? netdev_alloc_frag+0x1f0/0x1f0
[  432.769858]  ? lock_downgrade+0x900/0x900
[  432.774001]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.779527]  ? refcount_sub_and_test_checked+0x203/0x310
[  432.784967]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  432.790404]  ? addrconf_rs_timer+0x690/0x690
[  432.794832]  ndisc_alloc_skb+0x144/0x340
[  432.798886]  ndisc_send_rs+0x331/0x6e0
[  432.802764]  addrconf_rs_timer+0x314/0x690
[  432.806991]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  432.811225]  call_timer_fn+0x272/0x920
[  432.815100]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  432.819333]  ? process_timeout+0x40/0x40
[  432.823387]  ? __run_timers+0x7da/0xc70
[  432.827353]  ? _raw_spin_unlock_irq+0x27/0x80
[  432.831838]  ? _raw_spin_unlock_irq+0x27/0x80
[  432.836429]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  432.840657]  ? lockdep_hardirqs_on+0x296/0x5b0
[  432.845234]  ? trace_hardirqs_on+0xbd/0x310
[  432.849541]  ? kasan_check_read+0x11/0x20
[  432.853682]  ? __run_timers+0x7da/0xc70
[  432.857643]  ? trace_hardirqs_off_caller+0x310/0x310
[  432.862734]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  432.866964]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  432.871185]  __run_timers+0x7e5/0xc70
[  432.874984]  ? timer_fixup_init+0x70/0x70
[  432.879122]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  432.884127]  ? zap_class+0x640/0x640
[  432.887834]  ? enqueue_hrtimer+0x1a5/0x560
[  432.892059]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  432.897242]  ? find_held_lock+0x36/0x1c0
[  432.901297]  ? zap_class+0x640/0x640
[  432.905005]  ? pvclock_read_flags+0x160/0x160
[  432.909492]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.915015]  ? check_preemption_disabled+0x48/0x280
[  432.920038]  ? __lock_is_held+0xb5/0x140
[  432.924091]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.929650]  ? check_preemption_disabled+0x48/0x280
[  432.934671]  run_timer_softirq+0x52/0xb0
[  432.938720]  ? rcu_read_lock_sched_held+0x14f/0x180
[  432.943725]  __do_softirq+0x308/0xb7e
[  432.947515]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  432.951994]  ? lock_downgrade+0x900/0x900
[  432.956334]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  432.961455]  ? pvclock_read_flags+0x160/0x160
[  432.965943]  ? lapic_next_event+0x5a/0x90
[  432.970085]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.975622]  ? kvm_clock_read+0x18/0x30
[  432.979591]  ? kvm_sched_clock_read+0x9/0x20
[  432.983997]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.989527]  ? check_preemption_disabled+0x48/0x280
[  432.994645]  irq_exit+0x17f/0x1c0
[  432.998096]  smp_apic_timer_interrupt+0x1cb/0x760
[  433.002923]  ? smp_reschedule_interrupt+0x109/0x650
[  433.007928]  ? smp_call_function_single_interrupt+0x650/0x650
[  433.013798]  ? interrupt_entry+0xb5/0xc0
[  433.017849]  ? trace_hardirqs_off_caller+0xbb/0x310
[  433.022866]  ? trace_hardirqs_off_caller+0xbb/0x310
[  433.027890]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  433.032718]  ? trace_hardirqs_on_caller+0x310/0x310
[  433.037717]  ? trace_hardirqs_on_caller+0x310/0x310
[  433.042720]  ? task_prio+0x50/0x50
[  433.046252]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.051777]  ? check_preemption_disabled+0x48/0x280
[  433.056783]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  433.061618]  apic_timer_interrupt+0xf/0x20
[  433.065847]  </IRQ>
[  433.068079] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  433.073953] Code: 3e 7e 0f 85 32 ff ff ff e8 03 6a 3d ff e9 28 ff ff ff e8 4a 99 c2 ff 48 83 3d c2 ed 8e 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 ca 05
[  433.092842] RSP: 0018:ffff888198b071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  433.100535] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  433.107794] RDX: 0000000000000000 RSI: ffff8881bbc289c0 RDI: 0000000000000286
[  433.115047] RBP: ffff888198b07250 R08: ffff8881bbc28140 R09: 0000000000000000
[  433.122307] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800940
[  433.129572] R13: ffff8881da800940 R14: 0000000000000000 R15: 0000000000000286
[  433.136845]  ? save_stack+0xa9/0xd0
[  433.140466]  __kmalloc_node_track_caller+0x3c/0x70
[  433.145385]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  433.150136]  pskb_expand_head+0x230/0x10f0
[  433.154362]  ? memcpy+0x45/0x50
[  433.157629]  ? __copy_skb_header+0x350/0x6b0
[  433.162049]  ? skb_release_data+0x9a0/0x9a0
[  433.166371]  ? __alloc_skb+0x770/0x770
[  433.170274]  ? __lock_is_held+0xb5/0x140
[  433.174326]  ? kasan_check_write+0x14/0x20
[  433.178545]  ? __skb_clone+0x6c7/0xa00
[  433.182427]  ? __copy_skb_header+0x6b0/0x6b0
[  433.186836]  ? kmem_cache_alloc+0x33a/0x730
[  433.191150]  skb_ensure_writable+0x3dd/0x640
[  433.195550]  ? skb_checksum_setup+0xaa0/0xaa0
[  433.200049]  ? check_preemption_disabled+0x48/0x280
[  433.205062]  ? __this_cpu_preempt_check+0x1c/0x20
[  433.209923]  ? __bpf_redirect+0x55b/0xb60
[  433.214066]  bpf_clone_redirect+0x14a/0x490
[  433.218382]  bpf_prog_88483476fbe68a28+0x6f0/0x1000
[  433.223389]  ? __sched_text_start+0x8/0x8
[  433.227533]  ? find_held_lock+0x36/0x1c0
[  433.231587]  ? lock_acquire+0x1ed/0x520
[  433.235549]  ? bpf_test_run+0x3ee/0x7a0
[  433.239509]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.245030]  ? check_preemption_disabled+0x48/0x280
[  433.250037]  ? kasan_check_read+0x11/0x20
[  433.254181]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  433.259443]  ? rcu_softirq_qs+0x20/0x20
[  433.263418]  ? preempt_schedule+0x4d/0x60
[  433.267552]  ? ___preempt_schedule+0x16/0x18
[  433.271953]  ? bpf_test_run+0x271/0x7a0
[  433.276015]  ? netlink_diag_dump+0x2a0/0x2a0
[  433.280425]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  433.285951]  ? bpf_test_init.isra.10+0x70/0x100
[  433.290617]  ? bpf_prog_test_run_skb+0x762/0xd90
[  433.295375]  ? bpf_test_finish.isra.9+0x260/0x260
[  433.300211]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  433.305734]  ? fput+0x130/0x1a0
[  433.309005]  ? __bpf_prog_get+0x9b/0x290
[  433.313059]  ? bpf_test_finish.isra.9+0x260/0x260
[  433.317887]  ? __do_sys_bpf+0x1898/0x4570
[  433.322030]  ? bpf_prog_load+0x1db0/0x1db0
[  433.326252]  ? find_held_lock+0x36/0x1c0
[  433.330307]  ? __might_fault+0x12b/0x1e0
[  433.334356]  ? lock_downgrade+0x900/0x900
[  433.338494]  ? lock_release+0xa00/0xa00
[  433.342454]  ? perf_trace_sched_process_exec+0x860/0x860
[  433.347887]  ? posix_ktime_get_ts+0x15/0x20
[  433.352198]  ? trace_hardirqs_off_caller+0x310/0x310
[  433.357315]  ? kasan_check_read+0x11/0x20
[  433.361448]  ? _copy_to_user+0xc8/0x110
[  433.365413]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  433.370936]  ? put_timespec64+0x10f/0x1b0
[  433.375086]  ? nsecs_to_jiffies+0x30/0x30
[  433.379235]  ? trace_hardirqs_off_caller+0x310/0x310
[  433.384326]  ? __x64_sys_bpf+0x73/0xb0
[  433.388201]  ? do_syscall_64+0x1b9/0x820
[  433.392249]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  433.397601]  ? syscall_return_slowpath+0x5e0/0x5e0
[  433.402514]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  433.407350]  ? trace_hardirqs_on_caller+0x310/0x310
[  433.412355]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  433.417362]  ? prepare_exit_to_usermode+0x291/0x3b0
[  433.422473]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  433.427312]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  433.432677] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #181
[  433.432742] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  433.439506] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  433.439511] Call Trace:
[  433.439527]  dump_stack+0x244/0x39d
[  433.439543]  ? dump_stack_print_info.cold.1+0x20/0x20
[  433.446071] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  433.455344]  warn_alloc.cold.116+0xb7/0x1bd
[  433.457892] syz-executor0 cpuset=syz0 mems_allowed=0
[  433.461497]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  433.491418]  ? lock_downgrade+0x900/0x900
[  433.495557]  ? trace_hardirqs_off+0xb8/0x310
[  433.499959]  ? trace_hardirqs_off+0xb8/0x310
[  433.504361]  __alloc_pages_slowpath+0x2651/0x2de0
[  433.509212]  ? warn_alloc+0x120/0x120
[  433.513003]  ? warn_alloc+0x120/0x120
[  433.516794]  ? warn_alloc+0x120/0x120
[  433.520581]  ? trace_hardirqs_off+0xb8/0x310
[  433.524977]  ? print_usage_bug+0xc0/0xc0
[  433.529028]  ? print_usage_bug+0xc0/0xc0
[  433.533169]  ? __lock_acquire+0x62f/0x4c20
[  433.537415]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  433.542939]  ? should_fail+0x22d/0xd01
[  433.546817]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  433.551908]  ? __lock_acquire+0x62f/0x4c20
[  433.556134]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  433.561224]  ? __lock_acquire+0x62f/0x4c20
[  433.565446]  ? should_fail+0x22d/0xd01
[  433.569326]  ? mark_held_locks+0x130/0x130
[  433.573553]  ? mark_held_locks+0x130/0x130
[  433.577780]  ? zap_class+0x640/0x640
[  433.581481]  ? ret_from_fork+0x3a/0x50
[  433.585355]  ? __lock_acquire+0x62f/0x4c20
[  433.589581]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.595206]  ? check_preemption_disabled+0x48/0x280
[  433.600215]  ? __lock_is_held+0xb5/0x140
[  433.604267]  __alloc_pages_nodemask+0xad8/0xea0
[  433.608919]  ? zap_class+0x640/0x640
[  433.612640]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  433.617652]  ? find_held_lock+0x36/0x1c0
[  433.621708]  ? ____cache_alloc_node+0x1c7/0x1e0
[  433.626403]  ? lock_downgrade+0x900/0x900
[  433.630543]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.636071]  cache_grow_begin+0xa5/0x8c0
[  433.640124]  ? do_raw_spin_unlock+0xa7/0x330
[  433.644530]  fallback_alloc+0x204/0x2e0
[  433.648495]  ____cache_alloc_node+0x1c7/0x1e0
[  433.652979]  kmem_cache_alloc_node+0xe3/0x730
[  433.657457]  ? mark_held_locks+0xc7/0x130
[  433.661598]  __alloc_skb+0x119/0x770
[  433.665320]  ? netdev_alloc_frag+0x1f0/0x1f0
[  433.669715]  ? do_raw_spin_trylock+0x270/0x270
[  433.674285]  ? kmem_cache_alloc_trace+0x353/0x750
[  433.679119]  ? queue_work_on+0x12c/0x1e0
[  433.683169]  ? switchdev_port_obj_del+0xe3/0x450
[  433.687913]  ? switchdev_trans_item_enqueue+0x260/0x260
[  433.693266]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  433.698272]  __br_mdb_notify+0x4ff/0x15d0
[  433.702525]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  433.707629]  ? __br_mdb_add+0x730/0x730
[  433.711604]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  433.716700]  ? debug_object_assert_init+0x368/0x4b0
[  433.721713]  ? debug_object_init_on_stack+0x20/0x20
[  433.726722]  br_mdb_notify+0x310/0x410
[  433.730595]  ? br_mdb_dump+0x25e0/0x25e0
[  433.734657]  br_multicast_del_pg+0x380/0x6d0
[  433.739057]  ? br_mdb_ip_get+0xe00/0xe00
[  433.743107]  ? rwlock_bug.part.2+0x90/0x90
[  433.747337]  ? __lock_is_held+0xb5/0x140
[  433.751396]  br_multicast_port_group_expired+0x189/0x1e0
[  433.756847]  call_timer_fn+0x272/0x920
[  433.760724]  ? br_multicast_del_pg+0x6d0/0x6d0
[  433.765296]  ? process_timeout+0x40/0x40
[  433.769349]  ? __run_timers+0x7da/0xc70
[  433.773309]  ? _raw_spin_unlock_irq+0x27/0x80
[  433.777788]  ? _raw_spin_unlock_irq+0x27/0x80
[  433.782268]  ? br_multicast_del_pg+0x6d0/0x6d0
[  433.786836]  ? lockdep_hardirqs_on+0x296/0x5b0
[  433.791410]  ? trace_hardirqs_on+0xbd/0x310
[  433.795728]  ? kasan_check_read+0x11/0x20
[  433.799881]  ? __run_timers+0x7da/0xc70
[  433.803843]  ? trace_hardirqs_off_caller+0x310/0x310
[  433.808938]  ? br_multicast_del_pg+0x6d0/0x6d0
[  433.813509]  ? br_multicast_del_pg+0x6d0/0x6d0
[  433.818078]  __run_timers+0x7e5/0xc70
[  433.821880]  ? timer_fixup_init+0x70/0x70
[  433.826017]  ? _raw_spin_unlock_irq+0x27/0x80
[  433.830500]  ? _raw_spin_unlock_irq+0x27/0x80
[  433.834984]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  433.839557]  ? trace_hardirqs_on+0xbd/0x310
[  433.843866]  ? kasan_check_read+0x11/0x20
[  433.848000]  ? finish_task_switch+0x1f4/0x910
[  433.852482]  ? trace_hardirqs_off_caller+0x310/0x310
[  433.857570]  ? compat_start_thread+0x80/0x80
[  433.861979]  ? pvclock_read_flags+0x160/0x160
[  433.866457]  ? __switch_to_asm+0x34/0x70
[  433.870505]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.876031]  ? check_preemption_disabled+0x48/0x280
[  433.881041]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  433.886565]  ? rcu_pm_notify+0xc0/0xc0
[  433.890446]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.895974]  ? check_preemption_disabled+0x48/0x280
[  433.900982]  run_timer_softirq+0x52/0xb0
[  433.905035]  ? rcu_read_lock_sched_held+0x14f/0x180
[  433.910040]  __do_softirq+0x308/0xb7e
[  433.913833]  ? retint_kernel+0x2d/0x2d
[  433.917726]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  433.922814]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  433.928265]  ? rcu_irq_enter+0x18c/0x310
[  433.932330]  ? schedule+0x108/0x460
[  433.935946]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  433.940692]  ? trace_hardirqs_off+0xb8/0x310
[  433.945093]  ? smpboot_thread_fn+0x68b/0xa00
[  433.949485]  ? trace_hardirqs_on+0x310/0x310
[  433.953883]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  433.959410]  ? check_preemption_disabled+0x48/0x280
[  433.964418]  ? takeover_tasklets+0xa90/0xa90
[  433.968812]  run_ksoftirqd+0x5e/0x100
[  433.972605]  smpboot_thread_fn+0x68b/0xa00
[  433.976828]  ? sort_range+0x30/0x30
[  433.980446]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  433.985546]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  433.991074]  ? __kthread_parkme+0xfb/0x1a0
[  433.995298]  ? sort_range+0x30/0x30
[  433.998912]  kthread+0x35a/0x440
[  434.002267]  ? kthread_stop+0x900/0x900
[  434.006228]  ret_from_fork+0x3a/0x50
[  434.009940] warn_alloc_show_mem: 1 callbacks suppressed
[  434.009949] CPU: 1 PID: 16176 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #181
[  434.009950] Mem-Info:
[  434.009996] active_anon:54949 inactive_anon:10067 isolated_anon:0
[  434.009996]  active_file:12 inactive_file:12 isolated_file:0
[  434.009996]  unevictable:0 dirty:0 writeback:0 unstable:0
[  434.009996]  slab_reclaimable:9454 slab_unreclaimable:1442611
[  434.009996]  mapped:40962 shmem:10230 pagetables:596 bounce:0
[  434.009996]  free:13765 free_pcp:525 free_cma:0
[  434.015316] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  434.015322] Call Trace:
[  434.022674] Node 0 active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:40920kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 202752kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  434.025056]  <IRQ>
[  434.058262] 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
[  434.067609]  dump_stack+0x244/0x39d
[  434.070157] lowmem_reserve[]: 0 2818 6321 6321
[  434.097983]  ? dump_stack_print_info.cold.1+0x20/0x20
[  434.100097] Node 0 DMA32 free:25248kB 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:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  434.126194]  warn_alloc.cold.116+0xb7/0x1bd
[  434.129779] lowmem_reserve[]: 0 0 3503 3503
[  434.134356]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  434.139511] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2384kB bounce:0kB free_pcp:1852kB local_pcp:1500kB free_cma:0kB
[  434.166828]  ? lock_downgrade+0x900/0x900
[  434.171132] lowmem_reserve[]: 0 0 0 0
[  434.175440]  ? trace_hardirqs_off+0xb8/0x310
[  434.180246] 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
[  434.209463]  ? trace_hardirqs_off+0xb8/0x310
[  434.213584] Node 0 DMA32: 4*4kB (UM) 0*8kB 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB
[  434.217391]  __alloc_pages_slowpath+0x2651/0x2de0
[  434.221766] Node 0 Normal: 1308*4kB (ME) 392*8kB (UME) 140*16kB (ME) 47*32kB (ME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  434.235304]  ? warn_alloc+0x120/0x120
[  434.239673] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  434.254559]  ? print_usage_bug+0xc0/0xc0
[  434.259388] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  434.274013]  ? warn_alloc+0x120/0x120
[  434.277782] 10254 total pagecache pages
[  434.286599]  ? warn_alloc+0x120/0x120
[  434.290633] 0 pages in swap cache
[  434.299180]  ? print_usage_bug+0xc0/0xc0
[  434.302959] Swap cache stats: add 0, delete 0, find 0/0
[  434.306910]  ? kvm_clock_read+0x18/0x30
[  434.310923] Free swap  = 0kB
[  434.310930] Total swap = 0kB
[  434.314391]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  434.318414] 1965979 pages RAM
[  434.323756]  ? print_usage_bug+0xc0/0xc0
[  434.327696] 0 pages HighMem/MovableOnly
[  434.330696]  ? __lock_acquire+0x62f/0x4c20
[  434.333682] 342853 pages reserved
[  434.338679]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  434.341749] 0 pages cma reserved
[  434.345790]  ? should_fail+0x22d/0xd01
[  434.349899] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  434.353940]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  434.353956]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  434.357376] ksoftirqd/0 cpuset=/ mems_allowed=0
[  434.362915]  ? __lock_acquire+0x62f/0x4c20
[  434.399604]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  434.404693]  ? __lock_acquire+0x62f/0x4c20
[  434.408915]  ? should_fail+0x22d/0xd01
[  434.412788]  ? rcu_irq_exit+0x1a2/0x390
[  434.416756]  ? mark_held_locks+0x130/0x130
[  434.420980]  ? mark_held_locks+0x130/0x130
[  434.425207]  ? mark_held_locks+0xc7/0x130
[  434.429348]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  434.434354]  ? zap_class+0x640/0x640
[  434.438056]  ? print_usage_bug+0xc0/0xc0
[  434.442107]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.447633]  ? check_preemption_disabled+0x48/0x280
[  434.452655]  ? __lock_is_held+0xb5/0x140
[  434.456719]  __alloc_pages_nodemask+0xad8/0xea0
[  434.461372]  ? zap_class+0x640/0x640
[  434.465077]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  434.470088]  ? find_held_lock+0x36/0x1c0
[  434.474148]  ? ____cache_alloc_node+0x1c7/0x1e0
[  434.479302]  ? lock_downgrade+0x900/0x900
[  434.483446]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.488974]  cache_grow_begin+0xa5/0x8c0
[  434.493023]  ? do_raw_spin_unlock+0xa7/0x330
[  434.497432]  fallback_alloc+0x204/0x2e0
[  434.501399]  ____cache_alloc_node+0x1c7/0x1e0
[  434.505909]  kmem_cache_alloc_node+0xe3/0x730
[  434.510397]  ? ipv6_get_ifaddr+0x42e/0x620
[  434.514647]  __alloc_skb+0x119/0x770
[  434.518352]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  434.523743]  ? netdev_alloc_frag+0x1f0/0x1f0
[  434.528138]  ? lock_downgrade+0x900/0x900
[  434.533147]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.538674]  ? refcount_sub_and_test_checked+0x203/0x310
[  434.544575]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  434.550013]  ? addrconf_rs_timer+0x690/0x690
[  434.554416]  ndisc_alloc_skb+0x144/0x340
[  434.558468]  ndisc_send_rs+0x331/0x6e0
[  434.562348]  addrconf_rs_timer+0x314/0x690
[  434.566703]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  434.570936]  call_timer_fn+0x272/0x920
[  434.574808]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  434.579031]  ? process_timeout+0x40/0x40
[  434.583084]  ? __run_timers+0x7da/0xc70
[  434.587047]  ? _raw_spin_unlock_irq+0x27/0x80
[  434.591527]  ? _raw_spin_unlock_irq+0x27/0x80
[  434.596011]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  434.600238]  ? lockdep_hardirqs_on+0x296/0x5b0
[  434.604809]  ? trace_hardirqs_on+0xbd/0x310
[  434.609118]  ? kasan_check_read+0x11/0x20
[  434.613251]  ? __run_timers+0x7da/0xc70
[  434.617214]  ? trace_hardirqs_off_caller+0x310/0x310
[  434.622312]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  434.626541]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  434.630764]  __run_timers+0x7e5/0xc70
[  434.634567]  ? timer_fixup_init+0x70/0x70
[  434.638701]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  434.643704]  ? zap_class+0x640/0x640
[  434.647445]  ? enqueue_hrtimer+0x1a5/0x560
[  434.651669]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  434.656857]  ? find_held_lock+0x36/0x1c0
[  434.660911]  ? zap_class+0x640/0x640
[  434.664618]  ? pvclock_read_flags+0x160/0x160
[  434.669106]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.674635]  ? check_preemption_disabled+0x48/0x280
[  434.679642]  ? __lock_is_held+0xb5/0x140
[  434.683692]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.689216]  ? check_preemption_disabled+0x48/0x280
[  434.694224]  run_timer_softirq+0x52/0xb0
[  434.698277]  ? rcu_read_lock_sched_held+0x14f/0x180
[  434.703371]  __do_softirq+0x308/0xb7e
[  434.707164]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  434.711650]  ? lock_downgrade+0x900/0x900
[  434.715793]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  434.720893]  ? pvclock_read_flags+0x160/0x160
[  434.725376]  ? lapic_next_event+0x5a/0x90
[  434.729515]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.735051]  ? kvm_clock_read+0x18/0x30
[  434.739036]  ? kvm_sched_clock_read+0x9/0x20
[  434.743442]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.748968]  ? check_preemption_disabled+0x48/0x280
[  434.753978]  irq_exit+0x17f/0x1c0
[  434.757431]  smp_apic_timer_interrupt+0x1cb/0x760
[  434.762258]  ? smp_reschedule_interrupt+0x109/0x650
[  434.767279]  ? smp_call_function_single_interrupt+0x650/0x650
[  434.773156]  ? interrupt_entry+0xb5/0xc0
[  434.777211]  ? trace_hardirqs_off_caller+0xbb/0x310
[  434.782218]  ? trace_hardirqs_off_caller+0xbb/0x310
[  434.787237]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  434.792079]  ? trace_hardirqs_on_caller+0x310/0x310
[  434.797082]  ? trace_hardirqs_on_caller+0x310/0x310
[  434.802081]  ? task_prio+0x50/0x50
[  434.805609]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.811142]  ? check_preemption_disabled+0x48/0x280
[  434.816157]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  434.820995]  apic_timer_interrupt+0xf/0x20
[  434.825212]  </IRQ>
[  434.827441] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  434.833323] Code: 3e 7e 0f 85 32 ff ff ff e8 03 6a 3d ff e9 28 ff ff ff e8 4a 99 c2 ff 48 83 3d c2 ed 8e 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 ca 05
[  434.852213] RSP: 0018:ffff888198b071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  434.860086] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  434.867342] RDX: 0000000000000000 RSI: ffff8881bbc289c0 RDI: 0000000000000286
[  434.874606] RBP: ffff888198b07250 R08: ffff8881bbc28140 R09: 0000000000000000
[  434.881865] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800940
[  434.889122] R13: ffff8881da800940 R14: 0000000000000000 R15: 0000000000000286
[  434.896396]  ? save_stack+0xa9/0xd0
[  434.900017]  __kmalloc_node_track_caller+0x3c/0x70
[  434.904937]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  434.909683]  pskb_expand_head+0x230/0x10f0
[  434.913908]  ? memcpy+0x45/0x50
[  434.917177]  ? __copy_skb_header+0x350/0x6b0
[  434.921574]  ? skb_release_data+0x9a0/0x9a0
[  434.925885]  ? __alloc_skb+0x770/0x770
[  434.929764]  ? __lock_is_held+0xb5/0x140
[  434.933826]  ? kasan_check_write+0x14/0x20
[  434.938046]  ? __skb_clone+0x6c7/0xa00
[  434.941923]  ? __copy_skb_header+0x6b0/0x6b0
[  434.946315]  ? kmem_cache_alloc+0x33a/0x730
[  434.950636]  skb_ensure_writable+0x3dd/0x640
[  434.955034]  ? skb_checksum_setup+0xaa0/0xaa0
[  434.959517]  ? check_preemption_disabled+0x48/0x280
[  434.964537]  ? __this_cpu_preempt_check+0x1c/0x20
[  434.969373]  ? __bpf_redirect+0x55b/0xb60
[  434.973517]  bpf_clone_redirect+0x14a/0x490
[  434.977838]  bpf_prog_88483476fbe68a28+0x6f0/0x1000
[  434.982843]  ? __sched_text_start+0x8/0x8
[  434.986985]  ? find_held_lock+0x36/0x1c0
[  434.991036]  ? lock_acquire+0x1ed/0x520
[  434.995007]  ? bpf_test_run+0x3ee/0x7a0
[  434.998977]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.004514]  ? check_preemption_disabled+0x48/0x280
[  435.009532]  ? kasan_check_read+0x11/0x20
[  435.013676]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  435.018939]  ? rcu_softirq_qs+0x20/0x20
[  435.022932]  ? preempt_schedule+0x4d/0x60
[  435.027063]  ? ___preempt_schedule+0x16/0x18
[  435.031469]  ? bpf_test_run+0x271/0x7a0
[  435.035564]  ? netlink_diag_dump+0x2a0/0x2a0
[  435.039965]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  435.045487]  ? bpf_test_init.isra.10+0x70/0x100
[  435.050152]  ? bpf_prog_test_run_skb+0x762/0xd90
[  435.054916]  ? bpf_test_finish.isra.9+0x260/0x260
[  435.059754]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  435.065288]  ? fput+0x130/0x1a0
[  435.068578]  ? __bpf_prog_get+0x9b/0x290
[  435.072627]  ? bpf_test_finish.isra.9+0x260/0x260
[  435.077457]  ? __do_sys_bpf+0x1898/0x4570
[  435.081622]  ? bpf_prog_load+0x1db0/0x1db0
[  435.085845]  ? find_held_lock+0x36/0x1c0
[  435.089905]  ? __might_fault+0x12b/0x1e0
[  435.093955]  ? lock_downgrade+0x900/0x900
[  435.098095]  ? lock_release+0xa00/0xa00
[  435.102060]  ? perf_trace_sched_process_exec+0x860/0x860
[  435.107495]  ? posix_ktime_get_ts+0x15/0x20
[  435.111806]  ? trace_hardirqs_off_caller+0x310/0x310
[  435.116913]  ? kasan_check_read+0x11/0x20
[  435.121050]  ? _copy_to_user+0xc8/0x110
[  435.125014]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  435.130540]  ? put_timespec64+0x10f/0x1b0
[  435.134677]  ? nsecs_to_jiffies+0x30/0x30
[  435.138833]  ? trace_hardirqs_off_caller+0x310/0x310
[  435.143928]  ? __x64_sys_bpf+0x73/0xb0
[  435.147806]  ? do_syscall_64+0x1b9/0x820
[  435.151955]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  435.157324]  ? syscall_return_slowpath+0x5e0/0x5e0
[  435.162248]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  435.167100]  ? trace_hardirqs_on_caller+0x310/0x310
[  435.172107]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  435.177110]  ? prepare_exit_to_usermode+0x291/0x3b0
[  435.182117]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  435.186953]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  435.192316] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #181
[  435.192387] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  435.199155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  435.199160] Call Trace:
[  435.199178]  dump_stack+0x244/0x39d
[  435.199195]  ? dump_stack_print_info.cold.1+0x20/0x20
[  435.205730] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  435.215003]  warn_alloc.cold.116+0xb7/0x1bd
[  435.217549] syz-executor0 cpuset=syz0 mems_allowed=0
[  435.221172]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  435.250991]  ? lock_downgrade+0x900/0x900
[  435.255131]  ? trace_hardirqs_off+0xb8/0x310
[  435.259534]  ? trace_hardirqs_off+0xb8/0x310
[  435.264042]  __alloc_pages_slowpath+0x2651/0x2de0
[  435.268982]  ? warn_alloc+0x120/0x120
[  435.272788]  ? warn_alloc+0x120/0x120
[  435.276580]  ? warn_alloc+0x120/0x120
[  435.280370]  ? print_usage_bug+0xc0/0xc0
[  435.284422]  ? print_usage_bug+0xc0/0xc0
[  435.288469]  ? __lock_acquire+0x62f/0x4c20
[  435.292692]  ? should_fail+0x22d/0xd01
[  435.296571]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  435.302099]  ? should_fail+0x22d/0xd01
[  435.305976]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  435.311068]  ? __lock_acquire+0x62f/0x4c20
[  435.315294]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  435.320381]  ? should_fail+0x22d/0xd01
[  435.324252]  ? print_usage_bug+0xc0/0xc0
[  435.328305]  ? mark_held_locks+0x130/0x130
[  435.332528]  ? mark_held_locks+0x130/0x130
[  435.336749]  ? print_usage_bug+0xc0/0xc0
[  435.340807]  ? zap_class+0x640/0x640
[  435.344528]  ? print_usage_bug+0xc0/0xc0
[  435.348589]  ? ret_from_fork+0x3a/0x50
[  435.352462]  ? __lock_acquire+0x62f/0x4c20
[  435.356693]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.362220]  ? check_preemption_disabled+0x48/0x280
[  435.367229]  ? __lock_is_held+0xb5/0x140
[  435.371282]  __alloc_pages_nodemask+0xad8/0xea0
[  435.375939]  ? zap_class+0x640/0x640
[  435.379642]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  435.384651]  ? find_held_lock+0x36/0x1c0
[  435.388711]  ? ____cache_alloc_node+0x1c7/0x1e0
[  435.393370]  ? lock_downgrade+0x900/0x900
[  435.397512]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.403047]  cache_grow_begin+0xa5/0x8c0
[  435.407094]  ? do_raw_spin_unlock+0xa7/0x330
[  435.411502]  fallback_alloc+0x204/0x2e0
[  435.415470]  ____cache_alloc_node+0x1c7/0x1e0
[  435.419958]  kmem_cache_alloc_node+0xe3/0x730
[  435.424442]  ? mark_held_locks+0xc7/0x130
[  435.428584]  __alloc_skb+0x119/0x770
[  435.432289]  ? netdev_alloc_frag+0x1f0/0x1f0
[  435.436681]  ? do_raw_spin_trylock+0x270/0x270
[  435.441261]  ? kmem_cache_alloc_trace+0x353/0x750
[  435.446106]  ? queue_work_on+0x12c/0x1e0
[  435.450156]  ? switchdev_port_obj_del+0xe3/0x450
[  435.454896]  ? switchdev_trans_item_enqueue+0x260/0x260
[  435.460254]  ? mark_held_locks+0x130/0x130
[  435.464479]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  435.469499]  __br_mdb_notify+0x4ff/0x15d0
[  435.473641]  ? __br_mdb_add+0x730/0x730
[  435.477600]  ? __lock_acquire+0x62f/0x4c20
[  435.481942]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  435.487040]  ? br_multicast_group_expired+0xaf/0x4b0
[  435.492135]  br_mdb_notify+0x310/0x410
[  435.496010]  ? br_mdb_dump+0x25e0/0x25e0
[  435.500071]  br_multicast_group_expired+0x1eb/0x4b0
[  435.505072]  ? check_preemption_disabled+0x48/0x280
[  435.510073]  ? __rhashtable_remove_fast.constprop.41+0xe20/0xe20
[  435.516204]  ? __lock_is_held+0xb5/0x140
[  435.520266]  call_timer_fn+0x272/0x920
[  435.524156]  ? __rhashtable_remove_fast.constprop.41+0xe20/0xe20
[  435.530287]  ? process_timeout+0x40/0x40
[  435.534351]  ? __run_timers+0x7da/0xc70
[  435.538322]  ? _raw_spin_unlock_irq+0x27/0x80
[  435.542803]  ? _raw_spin_unlock_irq+0x27/0x80
[  435.547286]  ? __rhashtable_remove_fast.constprop.41+0xe20/0xe20
[  435.553415]  ? lockdep_hardirqs_on+0x296/0x5b0
[  435.557985]  ? trace_hardirqs_on+0xbd/0x310
[  435.562291]  ? kasan_check_read+0x11/0x20
[  435.566434]  ? __run_timers+0x7da/0xc70
[  435.570397]  ? trace_hardirqs_off_caller+0x310/0x310
[  435.575493]  ? br_multicast_del_pg+0x6d0/0x6d0
[  435.580066]  ? __rhashtable_remove_fast.constprop.41+0xe20/0xe20
[  435.586196]  __run_timers+0x7e5/0xc70
[  435.589987]  ? timer_fixup_init+0x70/0x70
[  435.594122]  ? _raw_spin_unlock_irq+0x27/0x80
[  435.598600]  ? _raw_spin_unlock_irq+0x27/0x80
[  435.603084]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  435.607653]  ? trace_hardirqs_on+0xbd/0x310
[  435.611987]  ? kasan_check_read+0x11/0x20
[  435.616232]  ? finish_task_switch+0x1f4/0x910
[  435.620720]  ? trace_hardirqs_off_caller+0x310/0x310
[  435.625813]  ? compat_start_thread+0x80/0x80
[  435.630228]  ? pvclock_read_flags+0x160/0x160
[  435.634706]  ? __switch_to_asm+0x34/0x70
[  435.638757]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.644281]  ? check_preemption_disabled+0x48/0x280
[  435.649291]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  435.654813]  ? rcu_pm_notify+0xc0/0xc0
[  435.658686]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.664210]  ? check_preemption_disabled+0x48/0x280
[  435.669213]  run_timer_softirq+0x52/0xb0
[  435.673260]  ? rcu_read_lock_sched_held+0x14f/0x180
[  435.678267]  __do_softirq+0x308/0xb7e
[  435.682057]  ? retint_kernel+0x2d/0x2d
[  435.685932]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  435.691023]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  435.696464]  ? rcu_irq_enter+0x18c/0x310
[  435.700529]  ? schedule+0x108/0x460
[  435.704142]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  435.708893]  ? trace_hardirqs_off+0xb8/0x310
[  435.713292]  ? smpboot_thread_fn+0x68b/0xa00
[  435.717686]  ? trace_hardirqs_on+0x310/0x310
[  435.722080]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  435.727602]  ? check_preemption_disabled+0x48/0x280
[  435.732606]  ? takeover_tasklets+0xa90/0xa90
[  435.737004]  run_ksoftirqd+0x5e/0x100
[  435.740793]  smpboot_thread_fn+0x68b/0xa00
[  435.745014]  ? sort_range+0x30/0x30
[  435.748628]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  435.753717]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  435.759245]  ? __kthread_parkme+0xfb/0x1a0
[  435.763476]  ? sort_range+0x30/0x30
[  435.767091]  kthread+0x35a/0x440
[  435.770447]  ? kthread_stop+0x900/0x900
[  435.774421]  ret_from_fork+0x3a/0x50
[  435.778238] CPU: 1 PID: 16176 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #181
[  435.778242] warn_alloc_show_mem: 1 callbacks suppressed
[  435.778248] Mem-Info:
[  435.785591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  435.790948] active_anon:54949 inactive_anon:10067 isolated_anon:0
[  435.790948]  active_file:12 inactive_file:12 isolated_file:0
[  435.790948]  unevictable:0 dirty:0 writeback:0 unstable:0
[  435.790948]  slab_reclaimable:9454 slab_unreclaimable:1442611
[  435.790948]  mapped:40962 shmem:10230 pagetables:596 bounce:0
[  435.790948]  free:13765 free_pcp:525 free_cma:0
[  435.793314] Call Trace:
[  435.802694] Node 0 active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:40920kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 202752kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  435.835874]  <IRQ>
[  435.838429] 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
[  435.866254]  dump_stack+0x244/0x39d
[  435.868368] lowmem_reserve[]: 0 2818 6321 6321
[  435.894822]  ? dump_stack_print_info.cold.1+0x20/0x20
[  435.898414] Node 0 DMA32 free:25248kB 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:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  435.902990]  warn_alloc.cold.116+0xb7/0x1bd
[  435.908137] lowmem_reserve[]: 0 0 3503 3503
[  435.935444]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  435.939738] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2384kB bounce:0kB free_pcp:1852kB local_pcp:1500kB free_cma:0kB
[  435.944046]  ? lock_downgrade+0x900/0x900
[  435.948853] lowmem_reserve[]: 0 0 0 0
[  435.978072]  ? trace_hardirqs_off+0xb8/0x310
[  435.982187] 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
[  435.985981]  ? trace_hardirqs_off+0xb8/0x310
[  435.990354] Node 0 DMA32: 4*4kB (UM) 0*8kB 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB
[  436.003889]  __alloc_pages_slowpath+0x2651/0x2de0
[  436.008258] Node 0 Normal: 1308*4kB (ME) 392*8kB (UME) 140*16kB (ME) 47*32kB (ME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  436.023170]  ? warn_alloc+0x120/0x120
[  436.027977] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  436.042615]  ? print_usage_bug+0xc0/0xc0
[  436.046384] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  436.055215]  ? warn_alloc+0x120/0x120
[  436.059242] 10254 total pagecache pages
[  436.067800]  ? warn_alloc+0x120/0x120
[  436.071574] 0 pages in swap cache
[  436.075518]  ? print_usage_bug+0xc0/0xc0
[  436.079287] Swap cache stats: add 0, delete 0, find 0/0
[  436.082716]  ? kvm_clock_read+0x18/0x30
[  436.086742] Free swap  = 0kB
[  436.092083]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  436.096022] Total swap = 0kB
[  436.099021]  ? print_usage_bug+0xc0/0xc0
[  436.104001] 1965979 pages RAM
[  436.107002]  ? __lock_acquire+0x62f/0x4c20
[  436.111025] 0 pages HighMem/MovableOnly
[  436.111031] 342853 pages reserved
[  436.114116]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  436.118315] 0 pages cma reserved
[  436.122268]  ? should_fail+0x22d/0xd01
[  436.125853] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  436.131324]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  436.134657] ksoftirqd/0 cpuset=/ mems_allowed=0
[  436.138617]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  436.163887]  ? __lock_acquire+0x62f/0x4c20
[  436.168222]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  436.173312]  ? __lock_acquire+0x62f/0x4c20
[  436.177534]  ? should_fail+0x22d/0xd01
[  436.181404]  ? rcu_irq_exit+0x1a2/0x390
[  436.185370]  ? mark_held_locks+0x130/0x130
[  436.189595]  ? mark_held_locks+0x130/0x130
[  436.193820]  ? mark_held_locks+0xc7/0x130
[  436.197959]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  436.202981]  ? zap_class+0x640/0x640
[  436.206682]  ? print_usage_bug+0xc0/0xc0
[  436.210733]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.216257]  ? check_preemption_disabled+0x48/0x280
[  436.221274]  ? __lock_is_held+0xb5/0x140
[  436.225339]  __alloc_pages_nodemask+0xad8/0xea0
[  436.230003]  ? zap_class+0x640/0x640
[  436.233727]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  436.238741]  ? find_held_lock+0x36/0x1c0
[  436.242794]  ? ____cache_alloc_node+0x1c7/0x1e0
[  436.247455]  ? lock_downgrade+0x900/0x900
[  436.251595]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.257128]  cache_grow_begin+0xa5/0x8c0
[  436.261176]  ? do_raw_spin_unlock+0xa7/0x330
[  436.265602]  fallback_alloc+0x204/0x2e0
[  436.269567]  ____cache_alloc_node+0x1c7/0x1e0
[  436.274054]  kmem_cache_alloc_node+0xe3/0x730
[  436.278537]  ? ipv6_get_ifaddr+0x42e/0x620
[  436.282771]  __alloc_skb+0x119/0x770
[  436.286483]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  436.291750]  ? netdev_alloc_frag+0x1f0/0x1f0
[  436.296145]  ? lock_downgrade+0x900/0x900
[  436.300287]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.305809]  ? refcount_sub_and_test_checked+0x203/0x310
[  436.311462]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  436.316900]  ? addrconf_rs_timer+0x690/0x690
[  436.321304]  ndisc_alloc_skb+0x144/0x340
[  436.325355]  ndisc_send_rs+0x331/0x6e0
[  436.329232]  addrconf_rs_timer+0x314/0x690
[  436.333545]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  436.337773]  call_timer_fn+0x272/0x920
[  436.341646]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  436.345866]  ? process_timeout+0x40/0x40
[  436.349921]  ? __run_timers+0x7da/0xc70
[  436.353884]  ? _raw_spin_unlock_irq+0x27/0x80
[  436.358364]  ? _raw_spin_unlock_irq+0x27/0x80
[  436.362844]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  436.367067]  ? lockdep_hardirqs_on+0x296/0x5b0
[  436.371648]  ? trace_hardirqs_on+0xbd/0x310
[  436.375972]  ? kasan_check_read+0x11/0x20
[  436.380106]  ? __run_timers+0x7da/0xc70
[  436.384069]  ? trace_hardirqs_off_caller+0x310/0x310
[  436.389166]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  436.393397]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  436.397622]  __run_timers+0x7e5/0xc70
[  436.401428]  ? timer_fixup_init+0x70/0x70
[  436.405568]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  436.410574]  ? zap_class+0x640/0x640
[  436.414277]  ? enqueue_hrtimer+0x1a5/0x560
[  436.418503]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  436.423687]  ? find_held_lock+0x36/0x1c0
[  436.427742]  ? zap_class+0x640/0x640
[  436.431454]  ? pvclock_read_flags+0x160/0x160
[  436.435937]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.441466]  ? check_preemption_disabled+0x48/0x280
[  436.446476]  ? __lock_is_held+0xb5/0x140
[  436.450526]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.456052]  ? check_preemption_disabled+0x48/0x280
[  436.461072]  run_timer_softirq+0x52/0xb0
[  436.465124]  ? rcu_read_lock_sched_held+0x14f/0x180
[  436.470129]  __do_softirq+0x308/0xb7e
[  436.473917]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  436.478892]  ? lock_downgrade+0x900/0x900
[  436.483208]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  436.488315]  ? pvclock_read_flags+0x160/0x160
[  436.492799]  ? lapic_next_event+0x5a/0x90
[  436.496938]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.502469]  ? kvm_clock_read+0x18/0x30
[  436.506436]  ? kvm_sched_clock_read+0x9/0x20
[  436.510836]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.516363]  ? check_preemption_disabled+0x48/0x280
[  436.521379]  irq_exit+0x17f/0x1c0
[  436.524822]  smp_apic_timer_interrupt+0x1cb/0x760
[  436.529660]  ? smp_reschedule_interrupt+0x109/0x650
[  436.534678]  ? smp_call_function_single_interrupt+0x650/0x650
[  436.540549]  ? interrupt_entry+0xb5/0xc0
[  436.544603]  ? trace_hardirqs_off_caller+0xbb/0x310
[  436.549604]  ? trace_hardirqs_off_caller+0xbb/0x310
[  436.554608]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  436.559439]  ? trace_hardirqs_on_caller+0x310/0x310
[  436.564439]  ? trace_hardirqs_on_caller+0x310/0x310
[  436.569444]  ? task_prio+0x50/0x50
[  436.572975]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.578499]  ? check_preemption_disabled+0x48/0x280
[  436.583503]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  436.588339]  apic_timer_interrupt+0xf/0x20
[  436.592555]  </IRQ>
[  436.594784] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  436.600657] Code: 3e 7e 0f 85 32 ff ff ff e8 03 6a 3d ff e9 28 ff ff ff e8 4a 99 c2 ff 48 83 3d c2 ed 8e 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 ca 05
[  436.619549] RSP: 0018:ffff888198b071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  436.627245] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  436.634499] RDX: 0000000000000000 RSI: ffff8881bbc289c0 RDI: 0000000000000286
[  436.641752] RBP: ffff888198b07250 R08: ffff8881bbc28140 R09: 0000000000000000
[  436.649007] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800940
[  436.656262] R13: ffff8881da800940 R14: 0000000000000000 R15: 0000000000000286
[  436.663537]  ? save_stack+0xa9/0xd0
[  436.667163]  __kmalloc_node_track_caller+0x3c/0x70
[  436.672082]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  436.676830]  pskb_expand_head+0x230/0x10f0
[  436.681055]  ? memcpy+0x45/0x50
[  436.684324]  ? __copy_skb_header+0x350/0x6b0
[  436.688719]  ? skb_release_data+0x9a0/0x9a0
[  436.693027]  ? __alloc_skb+0x770/0x770
[  436.696908]  ? __lock_is_held+0xb5/0x140
[  436.700963]  ? kasan_check_write+0x14/0x20
[  436.705183]  ? __skb_clone+0x6c7/0xa00
[  436.709061]  ? __copy_skb_header+0x6b0/0x6b0
[  436.713456]  ? kmem_cache_alloc+0x33a/0x730
[  436.717772]  skb_ensure_writable+0x3dd/0x640
[  436.722172]  ? skb_checksum_setup+0xaa0/0xaa0
[  436.726655]  ? check_preemption_disabled+0x48/0x280
[  436.731664]  ? __this_cpu_preempt_check+0x1c/0x20
[  436.736491]  ? __bpf_redirect+0x55b/0xb60
[  436.740630]  bpf_clone_redirect+0x14a/0x490
[  436.744945]  bpf_prog_88483476fbe68a28+0x6f0/0x1000
[  436.749949]  ? __sched_text_start+0x8/0x8
[  436.754109]  ? find_held_lock+0x36/0x1c0
[  436.758193]  ? lock_acquire+0x1ed/0x520
[  436.762160]  ? bpf_test_run+0x3ee/0x7a0
[  436.766123]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.771650]  ? check_preemption_disabled+0x48/0x280
[  436.776660]  ? kasan_check_read+0x11/0x20
[  436.780795]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  436.786059]  ? rcu_softirq_qs+0x20/0x20
[  436.790021]  ? preempt_schedule+0x4d/0x60
[  436.794160]  ? ___preempt_schedule+0x16/0x18
[  436.798558]  ? bpf_test_run+0x271/0x7a0
[  436.802530]  ? netlink_diag_dump+0x2a0/0x2a0
[  436.806926]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  436.812470]  ? bpf_test_init.isra.10+0x70/0x100
[  436.817144]  ? bpf_prog_test_run_skb+0x762/0xd90
[  436.821899]  ? bpf_test_finish.isra.9+0x260/0x260
[  436.826734]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  436.832260]  ? fput+0x130/0x1a0
[  436.835539]  ? __bpf_prog_get+0x9b/0x290
[  436.839588]  ? bpf_test_finish.isra.9+0x260/0x260
[  436.844435]  ? __do_sys_bpf+0x1898/0x4570
[  436.848570]  ? bpf_prog_load+0x1db0/0x1db0
[  436.852792]  ? find_held_lock+0x36/0x1c0
[  436.856847]  ? __might_fault+0x12b/0x1e0
[  436.860897]  ? lock_downgrade+0x900/0x900
[  436.865037]  ? lock_release+0xa00/0xa00
[  436.869003]  ? perf_trace_sched_process_exec+0x860/0x860
[  436.874446]  ? posix_ktime_get_ts+0x15/0x20
[  436.878761]  ? trace_hardirqs_off_caller+0x310/0x310
[  436.883872]  ? kasan_check_read+0x11/0x20
[  436.888004]  ? _copy_to_user+0xc8/0x110
[  436.891966]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  436.897490]  ? put_timespec64+0x10f/0x1b0
[  436.901625]  ? nsecs_to_jiffies+0x30/0x30
[  436.905771]  ? trace_hardirqs_off_caller+0x310/0x310
[  436.910864]  ? __x64_sys_bpf+0x73/0xb0
[  436.914739]  ? do_syscall_64+0x1b9/0x820
[  436.918788]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  436.924144]  ? syscall_return_slowpath+0x5e0/0x5e0
[  436.929149]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  436.934067]  ? trace_hardirqs_on_caller+0x310/0x310
[  436.939074]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  436.944078]  ? prepare_exit_to_usermode+0x291/0x3b0
[  436.949082]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  436.953916]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  436.959279] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #181
[  436.959316] rcu: INFO: rcu_preempt self-detected stall on CPU
[  436.966106] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  436.966112] Call Trace:
[  436.972221] rcu: 	1-...!: (1 GPs behind) idle=312/1/0x4000000000000004 softirq=25016/25017 fqs=1 
[  436.981312]  dump_stack+0x244/0x39d
[  436.981328]  ? dump_stack_print_info.cold.1+0x20/0x20
[  436.981352]  warn_alloc.cold.116+0xb7/0x1bd
[  436.981369]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  436.981403]  ? lock_downgrade+0x900/0x900
[  436.981438]  ? trace_hardirqs_off+0xb8/0x310
[  436.981456]  ? trace_hardirqs_off+0xb8/0x310
[  436.984170] rcu: 	 (t=10557 jiffies g=30117 q=33)
[  436.993178]  __alloc_pages_slowpath+0x2651/0x2de0
[  436.996778] rcu: rcu_preempt kthread starved for 10401 jiffies! g30117 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
[  437.001956]  ? warn_alloc+0x120/0x120
[  437.006238] rcu: RCU grace-period kthread stack dump:
[  437.011061]  ? warn_alloc+0x120/0x120
[  437.015174] rcu_preempt     R  running task    23000    10      2 0x80000000
[  437.019562]  ? warn_alloc+0x120/0x120
[  437.023937] Call Trace:
[  437.028759]  ? print_usage_bug+0xc0/0xc0
[  437.033578]  __schedule+0x8cf/0x21d0
[  437.044033]  ? print_usage_bug+0xc0/0xc0
[  437.047811]  ? __sched_text_start+0x8/0x8
[  437.052973]  ? find_held_lock+0x36/0x1c0
[  437.056749]  ? add_timer_on+0xa20/0xa20
[  437.063907]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  437.067679]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  437.070241]  ? should_fail+0x22d/0xd01
[  437.074272]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  437.077957]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  437.081990]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  437.086110]  ? __lock_acquire+0x62f/0x4c20
[  437.090150]  ? trace_hardirqs_on+0xbd/0x310
[  437.094107]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  437.099619]  ? kasan_check_read+0x11/0x20
[  437.104697]  ? should_fail+0x22d/0xd01
[  437.108561]  ? prepare_to_swait_event+0x25a/0x800
[  437.113649]  ? trace_hardirqs_off+0xb8/0x310
[  437.118726]  ? trace_hardirqs_off_caller+0x310/0x310
[  437.123286]  ? mark_held_locks+0x130/0x130
[  437.127489]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  437.131791]  ? mark_held_locks+0x130/0x130
[  437.136870]  schedule+0xfe/0x460
[  437.140991]  ? print_usage_bug+0xc0/0xc0
[  437.141009]  ? zap_class+0x640/0x640
[  437.144865]  ? __schedule+0x21d0/0x21d0
[  437.149678]  ? ret_from_fork+0x3a/0x50
[  437.154065]  ? prepare_to_swait_event+0x25a/0x800
[  437.159142]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.163352]  ? __init_swait_queue_head+0x150/0x150
[  437.168437]  ? check_preemption_disabled+0x48/0x280
[  437.172641]  ? __lockdep_init_map+0x105/0x590
[  437.175982]  ? __lock_is_held+0xb5/0x140
[  437.180014]  ? lockdep_init_map+0x9/0x10
[  437.183703]  __alloc_pages_nodemask+0xad8/0xea0
[  437.187651]  schedule_timeout+0x140/0x260
[  437.191511]  ? zap_class+0x640/0x640
[  437.196326]  ? usleep_range+0x1a0/0x1a0
[  437.201836]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  437.206738]  ? __next_timer_interrupt+0x1a0/0x1a0
[  437.211742]  ? find_held_lock+0x36/0x1c0
[  437.216213]  rcu_gp_fqs_loop+0x762/0xa80
[  437.220243]  ? ____cache_alloc_node+0x1c7/0x1e0
[  437.224275]  ? rcu_gp_fqs_check_wake+0x170/0x170
[  437.228915]  ? lock_downgrade+0x900/0x900
[  437.233039]  ? trace_hardirqs_off_caller+0x310/0x310
[  437.236727]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.240682]  ? perf_trace_sched_process_exec+0x860/0x860
[  437.245676]  cache_grow_begin+0xa5/0x8c0
[  437.250492]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.254526]  ? do_raw_spin_unlock+0xa7/0x330
[  437.258565]  ? rcu_gp_init+0x90b/0x1260
[  437.263208]  fallback_alloc+0x204/0x2e0
[  437.267939]  ? dump_blkd_tasks.isra.48+0xe0/0xe0
[  437.272070]  ____cache_alloc_node+0x1c7/0x1e0
[  437.277159]  ? rcu_accelerate_cbs+0x562/0xae0
[  437.282668]  kmem_cache_alloc_node+0xe3/0x730
[  437.288091]  ? zap_class+0x640/0x640
[  437.292121]  ? mark_held_locks+0xc7/0x130
[  437.292142]  __alloc_skb+0x119/0x770
[  437.297645]  ? zap_class+0x640/0x640
[  437.302029]  ? netdev_alloc_frag+0x1f0/0x1f0
[  437.305979]  ? __lock_is_held+0xb5/0x140
[  437.309919]  ? do_raw_spin_trylock+0x270/0x270
[  437.314647]  ? __lock_is_held+0xb5/0x140
[  437.319111]  ? kmem_cache_alloc_trace+0x353/0x750
[  437.323580]  ? zap_class+0x640/0x640
[  437.328050]  ? queue_work_on+0x12c/0x1e0
[  437.331738]  ? rcu_accelerate_cbs+0x562/0xae0
[  437.335856]  ? switchdev_port_obj_del+0xe3/0x450
[  437.339550]  ? find_held_lock+0x36/0x1c0
[  437.343239]  ? switchdev_trans_item_enqueue+0x260/0x260
[  437.347712]  ? rcu_gp_kthread+0x8cf/0xc70
[  437.351742]  ? mark_held_locks+0x130/0x130
[  437.356296]  ? _raw_spin_unlock_irq+0x27/0x80
[  437.360333]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  437.365149]  ? _raw_spin_unlock_irq+0x27/0x80
[  437.368841]  __br_mdb_notify+0x4ff/0x15d0
[  437.372873]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  437.377345]  ? __br_mdb_add+0x730/0x730
[  437.382076]  ? trace_hardirqs_on+0xbd/0x310
[  437.386107]  ? __lock_acquire+0x62f/0x4c20
[  437.391448]  ? kasan_check_read+0x11/0x20
[  437.395569]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.399778]  ? trace_hardirqs_off_caller+0x310/0x310
[  437.404245]  ? check_preemption_disabled+0x48/0x280
[  437.409230]  ? perf_trace_sched_process_exec+0x860/0x860
[  437.413719]  ? br_multicast_group_expired+0xaf/0x4b0
[  437.417833]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.422392]  ? lock_downgrade+0x900/0x900
[  437.426349]  rcu_gp_kthread+0x341/0xc70
[  437.430639]  br_mdb_notify+0x310/0x410
[  437.434851]  ? rcu_gp_init+0x1260/0x1260
[  437.438970]  ? br_mdb_dump+0x25e0/0x25e0
[  437.444487]  ? mark_held_locks+0x130/0x130
[  437.449623]  br_multicast_group_expired+0x1eb/0x4b0
[  437.454615]  ? __schedule+0x168a/0x21d0
[  437.460038]  ? check_preemption_disabled+0x48/0x280
[  437.465117]  ? _raw_spin_unlock_irq+0x27/0x80
[  437.470626]  ? __rhashtable_remove_fast.constprop.41+0xe20/0xe20
[  437.474748]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  437.478696]  ? __lock_is_held+0xb5/0x140
[  437.482555]  ? trace_hardirqs_on+0xbd/0x310
[  437.486595]  call_timer_fn+0x272/0x920
[  437.490624]  ? kasan_check_read+0x11/0x20
[  437.494829]  ? __rhashtable_remove_fast.constprop.41+0xe20/0xe20
[  437.499816]  ? __schedule+0x168a/0x21d0
[  437.503764]  ? process_timeout+0x40/0x40
[  437.508753]  ? trace_hardirqs_off_caller+0x310/0x310
[  437.513224]  ? __run_timers+0x7da/0xc70
[  437.519343]  ? lock_pin_lock+0x350/0x350
[  437.523984]  ? _raw_spin_unlock_irq+0x27/0x80
[  437.528022]  ? _raw_spin_unlock_irq+0x60/0x80
[  437.532311]  ? _raw_spin_unlock_irq+0x27/0x80
[  437.536196]  ? __schedule+0x168a/0x21d0
[  437.540318]  ? __rhashtable_remove_fast.constprop.41+0xe20/0xe20
[  437.546435]  ? __switch_to_asm+0x40/0x70
[  437.550401]  ? lockdep_hardirqs_on+0x296/0x5b0
[  437.554438]  ? __switch_to_asm+0x40/0x70
[  437.559516]  ? trace_hardirqs_on+0xbd/0x310
[  437.563470]  ? show_schedstat+0xd21/0xf30
[  437.567497]  ? kasan_check_read+0x11/0x20
[  437.567508]  ? __run_timers+0x7da/0xc70
[  437.571983]  ? __sched_text_start+0x8/0x8
[  437.576448]  ? trace_hardirqs_off_caller+0x310/0x310
[  437.580931]  ? find_held_lock+0x36/0x1c0
[  437.584874]  ? __rhashtable_remove_fast.constprop.41+0xe20/0xe20
[  437.591000]  ? __kthread_parkme+0xce/0x1a0
[  437.595031]  ? __rhashtable_remove_fast.constprop.41+0xe20/0xe20
[  437.599589]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  437.603627]  __run_timers+0x7e5/0xc70
[  437.607924]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  437.612047]  ? timer_fixup_init+0x70/0x70
[  437.616167]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  437.620115]  ? _raw_spin_unlock_irq+0x27/0x80
[  437.624234]  ? trace_hardirqs_on+0xbd/0x310
[  437.629310]  ? _raw_spin_unlock_irq+0x27/0x80
[  437.633348]  ? kasan_check_read+0x11/0x20
[  437.639473]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  437.643682]  ? __kthread_parkme+0xce/0x1a0
[  437.649799]  ? trace_hardirqs_on+0xbd/0x310
[  437.654879]  ? trace_hardirqs_off_caller+0x310/0x310
[  437.658652]  ? kasan_check_read+0x11/0x20
[  437.663734]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  437.667850]  ? finish_task_switch+0x1f4/0x910
[  437.672404]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  437.676869]  ? trace_hardirqs_off_caller+0x310/0x310
[  437.681160]  ? __kthread_parkme+0xfb/0x1a0
[  437.685628]  ? compat_start_thread+0x80/0x80
[  437.689750]  ? rcu_gp_init+0x1260/0x1260
[  437.694319]  ? pvclock_read_flags+0x160/0x160
[  437.698516]  kthread+0x35a/0x440
[  437.702817]  ? __switch_to_asm+0x34/0x70
[  437.707896]  ? kthread_stop+0x900/0x900
[  437.712017]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.717105]  ret_from_fork+0x3a/0x50
[  437.721576]  ? check_preemption_disabled+0x48/0x280
[  437.727104] NMI backtrace for cpu 1
[  437.732172]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  437.783920]  ? rcu_pm_notify+0xc0/0xc0
[  437.787796]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.793336]  ? check_preemption_disabled+0x48/0x280
[  437.798344]  run_timer_softirq+0x52/0xb0
[  437.802390]  ? rcu_read_lock_sched_held+0x14f/0x180
[  437.807394]  __do_softirq+0x308/0xb7e
[  437.811182]  ? retint_kernel+0x2d/0x2d
[  437.815059]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  437.820146]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  437.825582]  ? rcu_irq_enter+0x18c/0x310
[  437.829635]  ? schedule+0x108/0x460
[  437.833253]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  437.838005]  ? trace_hardirqs_off+0xb8/0x310
[  437.842398]  ? smpboot_thread_fn+0x68b/0xa00
[  437.846795]  ? trace_hardirqs_on+0x310/0x310
[  437.851195]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  437.856718]  ? check_preemption_disabled+0x48/0x280
[  437.861720]  ? takeover_tasklets+0xa90/0xa90
[  437.866118]  run_ksoftirqd+0x5e/0x100
[  437.870108]  smpboot_thread_fn+0x68b/0xa00
[  437.874336]  ? sort_range+0x30/0x30
[  437.877949]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  437.883037]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  437.888562]  ? __kthread_parkme+0xfb/0x1a0
[  437.892789]  ? sort_range+0x30/0x30
[  437.896399]  kthread+0x35a/0x440
[  437.899751]  ? kthread_stop+0x900/0x900
[  437.903710]  ret_from_fork+0x3a/0x50
[  437.907421] CPU: 1 PID: 16176 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #181
[  437.907425] warn_alloc_show_mem: 1 callbacks suppressed
[  437.907430] Mem-Info:
[  437.914768] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  437.920124] active_anon:54949 inactive_anon:10067 isolated_anon:0
[  437.920124]  active_file:12 inactive_file:12 isolated_file:0
[  437.920124]  unevictable:0 dirty:0 writeback:0 unstable:0
[  437.920124]  slab_reclaimable:9454 slab_unreclaimable:1442611
[  437.920124]  mapped:40962 shmem:10230 pagetables:596 bounce:0
[  437.920124]  free:13765 free_pcp:525 free_cma:0
[  437.922487] Call Trace:
[  437.931846] Node 0 active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:40920kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 202752kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  437.965114]  <IRQ>
[  437.967676] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  437.995698]  dump_stack+0x244/0x39d
[  437.997827] lowmem_reserve[]: 0 2818 6321 6321
[  438.023919]  ? dump_stack_print_info.cold.1+0x20/0x20
[  438.027510] Node 0 DMA32 free:25248kB 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:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  438.032077]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.037225] lowmem_reserve[]: 0 0 3503 3503
[  438.064534]  ? do_raw_spin_lock+0x14f/0x350
[  438.070034] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2384kB bounce:0kB free_pcp:1852kB local_pcp:1500kB free_cma:0kB
[  438.074337]  nmi_cpu_backtrace.cold.2+0x5c/0xa1
[  438.078621] lowmem_reserve[]: 0 0 0 0
[  438.107835]  ? lapic_can_unplug_cpu.cold.27+0x3f/0x3f
[  438.112471] 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
[  438.116252]  nmi_trigger_cpumask_backtrace+0x1e8/0x22a
[  438.121404] Node 0 DMA32: 4*4kB (UM) 0*8kB 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB
[  438.134940]  arch_trigger_cpumask_backtrace+0x14/0x20
[  438.140183] Node 0 Normal: 1308*4kB (ME) 392*8kB (UME) 140*16kB (ME) 47*32kB (ME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  438.155073]  rcu_dump_cpu_stacks+0x16f/0x1bc
[  438.160249] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  438.175062]  print_cpu_stall.cold.67+0x1f3/0x3c7
[  438.179441] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  438.188250]  ? print_other_cpu_stall+0x160/0x160
[  438.192973] 10254 total pagecache pages
[  438.201531]  ? print_usage_bug+0xc0/0xc0
[  438.206261] 0 pages in swap cache
[  438.210211]  ? kasan_check_read+0x11/0x20
[  438.214243] Swap cache stats: add 0, delete 0, find 0/0
[  438.217672]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.221783] Free swap  = 0kB
[  438.227125]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.232627] Total swap = 0kB
[  438.235625]  ? do_trace_rcu_torture_read+0x10/0x10
[  438.241129] 1965979 pages RAM
[  438.244128]  ? rcu_preempt_need_deferred_qs+0x74/0x1f0
[  438.249021] 0 pages HighMem/MovableOnly
[  438.252103]  ? __lock_is_held+0xb5/0x140
[  438.257367] 342853 pages reserved
[  438.257373] 0 pages cma reserved
[  438.261326]  ? __rcu_read_lock+0x50/0x50
[  438.265506] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  438.268785]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.272118] ksoftirqd/0 cpuset=/ mems_allowed=0
[  438.276288]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.302237]  ? check_preemption_disabled+0x48/0x280
[  438.307243]  rcu_check_callbacks+0xf3b/0x13f0
[  438.311837]  ? rcutree_dead_cpu+0x10/0x10
[  438.315973]  ? lock_downgrade+0x900/0x900
[  438.320110]  ? lock_release+0x9a0/0xa00
[  438.324082]  ? zap_class+0x640/0x640
[  438.327781]  ? mark_held_locks+0x130/0x130
[  438.332004]  ? zap_class+0x640/0x640
[  438.335707]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.341231]  ? pvclock_gtod_notify+0x2e3/0x3e0
[  438.345801]  ? kvm_set_tsc_khz+0x540/0x540
[  438.350026]  ? warn_alloc.cold.116+0xd1/0x1bd
[  438.354515]  ? find_held_lock+0x36/0x1c0
[  438.358687]  ? zap_class+0x640/0x640
[  438.362400]  ? timekeeping_advance+0x3cc/0xc00
[  438.366972]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.372498]  ? check_preemption_disabled+0x48/0x280
[  438.377515]  ? trace_hardirqs_off+0xb8/0x310
[  438.381910]  ? __lock_is_held+0xb5/0x140
[  438.385960]  ? trace_hardirqs_on+0x310/0x310
[  438.390359]  ? check_preemption_disabled+0x48/0x280
[  438.395371]  ? raise_softirq+0x199/0x420
[  438.399422]  ? raise_softirq_irqoff+0x2e0/0x2e0
[  438.404080]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.409604]  ? check_preemption_disabled+0x48/0x280
[  438.414610]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  438.420132]  ? hrtimer_run_queues+0x9a/0x400
[  438.424529]  ? run_local_timers+0x19b/0x230
[  438.428836]  ? timer_clear_idle+0x90/0x90
[  438.432968]  ? debug_smp_processor_id+0x1c/0x20
[  438.437641]  ? irqtime_account_process_tick.isra.6+0x114/0x490
[  438.443601]  ? account_process_tick+0x282/0x350
[  438.448263]  update_process_times+0x2d/0x70
[  438.452703]  tick_sched_handle+0x9f/0x180
[  438.456839]  tick_sched_timer+0x45/0x130
[  438.460892]  __hrtimer_run_queues+0x41c/0x10d0
[  438.465483]  ? tick_sched_do_timer+0x1a0/0x1a0
[  438.470059]  ? hrtimer_start_range_ns+0xe00/0xe00
[  438.474928]  ? pvclock_read_flags+0x160/0x160
[  438.479879]  ? trace_hardirqs_on+0x310/0x310
[  438.484292]  ? kvm_clock_read+0x18/0x30
[  438.488289]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  438.493295]  ? ktime_get_update_offsets_now+0x3b3/0x540
[  438.498649]  ? do_timer+0x50/0x50
[  438.502089]  ? rwlock_bug.part.2+0x90/0x90
[  438.506307]  ? trace_hardirqs_on+0x310/0x310
[  438.510702]  ? rcu_softirq_qs+0x20/0x20
[  438.514673]  hrtimer_interrupt+0x313/0x780
[  438.518915]  smp_apic_timer_interrupt+0x1a1/0x760
[  438.523748]  ? smp_call_function_single_interrupt+0x650/0x650
[  438.529621]  ? interrupt_entry+0xb5/0xc0
[  438.533670]  ? trace_hardirqs_off_caller+0xbb/0x310
[  438.538675]  ? ____cache_alloc_node+0x1c7/0x1e0
[  438.543329]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  438.548161]  ? trace_hardirqs_on_caller+0x310/0x310
[  438.553191]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  438.558032]  apic_timer_interrupt+0xf/0x20
[  438.562274] RIP: 0010:kmem_cache_alloc_node+0x247/0x730
[  438.567627] Code: 3f 7e 0f 85 32 ff ff ff e8 75 9e 3d ff e9 28 ff ff ff e8 bc cd c2 ff 48 83 3d 34 22 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 ca 05
[  438.586606] RSP: 0018:ffff8881daf07450 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  438.594301] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff11037785141
[  438.601558] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286
[  438.608813] RBP: ffff8881daf074c0 R08: ffff8881bbc28a08 R09: 0000000000000002
[  438.616169] R10: 0000000000000000 R11: ffff8881bbc28140 R12: ffff8881d9bee600
[  438.623421] R13: ffff8881d9bee600 R14: 0000000000000000 R15: 0000000000000286
[  438.630681]  ? apic_timer_interrupt+0xa/0x20
[  438.635093]  ? ipv6_get_ifaddr+0x42e/0x620
[  438.639324]  __alloc_skb+0x119/0x770
[  438.643027]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  438.648291]  ? netdev_alloc_frag+0x1f0/0x1f0
[  438.652688]  ? lock_downgrade+0x900/0x900
[  438.656829]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.662356]  ? refcount_sub_and_test_checked+0x203/0x310
[  438.667795]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  438.673230]  ? addrconf_rs_timer+0x690/0x690
[  438.677645]  ndisc_alloc_skb+0x144/0x340
[  438.681705]  ndisc_send_rs+0x331/0x6e0
[  438.685585]  addrconf_rs_timer+0x314/0x690
[  438.689816]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  438.694048]  call_timer_fn+0x272/0x920
[  438.697923]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  438.702145]  ? process_timeout+0x40/0x40
[  438.706197]  ? __run_timers+0x7da/0xc70
[  438.710158]  ? _raw_spin_unlock_irq+0x27/0x80
[  438.714640]  ? _raw_spin_unlock_irq+0x27/0x80
[  438.719119]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  438.723340]  ? lockdep_hardirqs_on+0x296/0x5b0
[  438.727912]  ? trace_hardirqs_on+0xbd/0x310
[  438.732322]  ? kasan_check_read+0x11/0x20
[  438.736455]  ? __run_timers+0x7da/0xc70
[  438.740418]  ? trace_hardirqs_off_caller+0x310/0x310
[  438.745525]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  438.749754]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  438.753974]  __run_timers+0x7e5/0xc70
[  438.757774]  ? timer_fixup_init+0x70/0x70
[  438.761911]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  438.766920]  ? zap_class+0x640/0x640
[  438.770620]  ? enqueue_hrtimer+0x1a5/0x560
[  438.774842]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  438.780030]  ? find_held_lock+0x36/0x1c0
[  438.784093]  ? zap_class+0x640/0x640
[  438.787829]  ? pvclock_read_flags+0x160/0x160
[  438.792314]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.797839]  ? check_preemption_disabled+0x48/0x280
[  438.802849]  ? __lock_is_held+0xb5/0x140
[  438.806901]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.812426]  ? check_preemption_disabled+0x48/0x280
[  438.817433]  run_timer_softirq+0x52/0xb0
[  438.821491]  ? rcu_read_lock_sched_held+0x14f/0x180
[  438.826527]  __do_softirq+0x308/0xb7e
[  438.830324]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  438.834804]  ? lock_downgrade+0x900/0x900
[  438.838944]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  438.844039]  ? pvclock_read_flags+0x160/0x160
[  438.848521]  ? lapic_next_event+0x5a/0x90
[  438.852658]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.858189]  ? kvm_clock_read+0x18/0x30
[  438.862149]  ? kvm_sched_clock_read+0x9/0x20
[  438.866547]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.872075]  ? check_preemption_disabled+0x48/0x280
[  438.877088]  irq_exit+0x17f/0x1c0
[  438.880527]  smp_apic_timer_interrupt+0x1cb/0x760
[  438.885358]  ? smp_reschedule_interrupt+0x109/0x650
[  438.890362]  ? smp_call_function_single_interrupt+0x650/0x650
[  438.896233]  ? interrupt_entry+0xb5/0xc0
[  438.900290]  ? trace_hardirqs_off_caller+0xbb/0x310
[  438.905290]  ? trace_hardirqs_off_caller+0xbb/0x310
[  438.910298]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  438.915131]  ? trace_hardirqs_on_caller+0x310/0x310
[  438.920140]  ? trace_hardirqs_on_caller+0x310/0x310
[  438.925151]  ? task_prio+0x50/0x50
[  438.928687]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.934215]  ? check_preemption_disabled+0x48/0x280
[  438.939232]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  438.944076]  apic_timer_interrupt+0xf/0x20
[  438.948293]  </IRQ>
[  438.950529] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  438.956403] Code: 3e 7e 0f 85 32 ff ff ff e8 03 6a 3d ff e9 28 ff ff ff e8 4a 99 c2 ff 48 83 3d c2 ed 8e 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 ca 05
[  438.975373] RSP: 0018:ffff888198b071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  438.983065] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  438.990318] RDX: 0000000000000000 RSI: ffff8881bbc289c0 RDI: 0000000000000286
[  438.997594] RBP: ffff888198b07250 R08: ffff8881bbc28140 R09: 0000000000000000
[  439.004857] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800940
[  439.012118] R13: ffff8881da800940 R14: 0000000000000000 R15: 0000000000000286
[  439.019407]  ? save_stack+0xa9/0xd0
[  439.023048]  __kmalloc_node_track_caller+0x3c/0x70
[  439.027992]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  439.032767]  pskb_expand_head+0x230/0x10f0
[  439.037009]  ? memcpy+0x45/0x50
[  439.040288]  ? __copy_skb_header+0x350/0x6b0
[  439.044692]  ? skb_release_data+0x9a0/0x9a0
[  439.049010]  ? __alloc_skb+0x770/0x770
[  439.052901]  ? __lock_is_held+0xb5/0x140
[  439.056970]  ? kasan_check_write+0x14/0x20
[  439.061305]  ? __skb_clone+0x6c7/0xa00
[  439.065189]  ? __copy_skb_header+0x6b0/0x6b0
[  439.069590]  ? kmem_cache_alloc+0x33a/0x730
[  439.073915]  skb_ensure_writable+0x3dd/0x640
[  439.078321]  ? skb_checksum_setup+0xaa0/0xaa0
[  439.082815]  ? check_preemption_disabled+0x48/0x280
[  439.087834]  ? __this_cpu_preempt_check+0x1c/0x20
[  439.092671]  ? __bpf_redirect+0x55b/0xb60
[  439.096821]  bpf_clone_redirect+0x14a/0x490
[  439.101142]  bpf_prog_88483476fbe68a28+0x6f0/0x1000
[  439.106160]  ? __sched_text_start+0x8/0x8
[  439.110312]  ? find_held_lock+0x36/0x1c0
[  439.114375]  ? lock_acquire+0x1ed/0x520
[  439.118346]  ? bpf_test_run+0x3ee/0x7a0
[  439.122328]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.127871]  ? check_preemption_disabled+0x48/0x280
[  439.132894]  ? kasan_check_read+0x11/0x20
[  439.137116]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  439.142381]  ? rcu_softirq_qs+0x20/0x20
[  439.146346]  ? preempt_schedule+0x4d/0x60
[  439.150482]  ? ___preempt_schedule+0x16/0x18
[  439.154894]  ? bpf_test_run+0x271/0x7a0
[  439.158902]  ? netlink_diag_dump+0x2a0/0x2a0
[  439.163322]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  439.168853]  ? bpf_test_init.isra.10+0x70/0x100
[  439.173515]  ? bpf_prog_test_run_skb+0x762/0xd90
[  439.178262]  ? bpf_test_finish.isra.9+0x260/0x260
[  439.183100]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  439.188631]  ? fput+0x130/0x1a0
[  439.191910]  ? __bpf_prog_get+0x9b/0x290
[  439.195967]  ? bpf_test_finish.isra.9+0x260/0x260
[  439.200798]  ? __do_sys_bpf+0x1898/0x4570
[  439.204934]  ? bpf_prog_load+0x1db0/0x1db0
[  439.209155]  ? find_held_lock+0x36/0x1c0
[  439.213210]  ? __might_fault+0x12b/0x1e0
[  439.217271]  ? lock_downgrade+0x900/0x900
[  439.221415]  ? lock_release+0xa00/0xa00
[  439.225392]  ? perf_trace_sched_process_exec+0x860/0x860
[  439.230829]  ? posix_ktime_get_ts+0x15/0x20
[  439.235142]  ? trace_hardirqs_off_caller+0x310/0x310
[  439.240255]  ? kasan_check_read+0x11/0x20
[  439.244400]  ? _copy_to_user+0xc8/0x110
[  439.248366]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  439.253890]  ? put_timespec64+0x10f/0x1b0
[  439.258030]  ? nsecs_to_jiffies+0x30/0x30
[  439.262177]  ? trace_hardirqs_off_caller+0x310/0x310
[  439.267272]  ? __x64_sys_bpf+0x73/0xb0
[  439.271149]  ? do_syscall_64+0x1b9/0x820
[  439.275198]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  439.280567]  ? syscall_return_slowpath+0x5e0/0x5e0
[  439.285484]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  439.290402]  ? trace_hardirqs_on_caller+0x310/0x310
[  439.295407]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  439.300423]  ? prepare_exit_to_usermode+0x291/0x3b0
[  439.305429]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  439.310263]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  439.315631] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #181
[  439.315992] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  439.322475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  439.329017] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  439.338268] Call Trace:
[  439.348729] syz-executor0 cpuset=syz0 mems_allowed=0
[  439.351300]  dump_stack+0x244/0x39d
[  439.359978]  ? dump_stack_print_info.cold.1+0x20/0x20
[  439.365162]  warn_alloc.cold.116+0xb7/0x1bd
[  439.369479]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  439.374311]  ? lock_downgrade+0x900/0x900
[  439.378454]  ? trace_hardirqs_off+0xb8/0x310
[  439.382854]  ? trace_hardirqs_off+0xb8/0x310
[  439.387269]  __alloc_pages_slowpath+0x2651/0x2de0
[  439.392116]  ? warn_alloc+0x120/0x120
[  439.395905]  ? warn_alloc+0x120/0x120
[  439.399803]  ? warn_alloc+0x120/0x120
[  439.403591]  ? print_usage_bug+0xc0/0xc0
[  439.407644]  ? print_usage_bug+0xc0/0xc0
[  439.411707]  ? find_held_lock+0x36/0x1c0
[  439.415757]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  439.421280]  ? should_fail+0x22d/0xd01
[  439.425156]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  439.430243]  ? __lock_acquire+0x62f/0x4c20
[  439.434483]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  439.439571]  ? should_fail+0x22d/0xd01
[  439.443444]  ? trace_hardirqs_off+0xb8/0x310
[  439.447848]  ? mark_held_locks+0x130/0x130
[  439.452073]  ? mark_held_locks+0x130/0x130
[  439.456293]  ? print_usage_bug+0xc0/0xc0
[  439.460345]  ? zap_class+0x640/0x640
[  439.464044]  ? ret_from_fork+0x3a/0x50
[  439.467919]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.473448]  ? check_preemption_disabled+0x48/0x280
[  439.478475]  ? __lock_is_held+0xb5/0x140
[  439.482532]  __alloc_pages_nodemask+0xad8/0xea0
[  439.487185]  ? zap_class+0x640/0x640
[  439.490906]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  439.495918]  ? find_held_lock+0x36/0x1c0
[  439.499976]  ? ____cache_alloc_node+0x1c7/0x1e0
[  439.504632]  ? lock_downgrade+0x900/0x900
[  439.508770]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.514298]  cache_grow_begin+0xa5/0x8c0
[  439.519645]  ? do_raw_spin_unlock+0xa7/0x330
[  439.524044]  fallback_alloc+0x204/0x2e0
[  439.528011]  ____cache_alloc_node+0x1c7/0x1e0
[  439.532494]  kmem_cache_alloc_node+0xe3/0x730
[  439.536978]  ? mark_held_locks+0xc7/0x130
[  439.541138]  __alloc_skb+0x119/0x770
[  439.544842]  ? netdev_alloc_frag+0x1f0/0x1f0
[  439.549241]  ? do_raw_spin_trylock+0x270/0x270
[  439.553899]  ? kmem_cache_alloc_trace+0x353/0x750
[  439.558731]  ? queue_work_on+0x12c/0x1e0
[  439.562782]  ? switchdev_port_obj_del+0xe3/0x450
[  439.567527]  ? switchdev_trans_item_enqueue+0x260/0x260
[  439.572874]  ? mark_held_locks+0x130/0x130
[  439.577101]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  439.582106]  __br_mdb_notify+0x4ff/0x15d0
[  439.586246]  ? __br_mdb_add+0x730/0x730
[  439.590213]  ? __lock_acquire+0x62f/0x4c20
[  439.594432]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.599964]  ? check_preemption_disabled+0x48/0x280
[  439.604983]  ? br_multicast_group_expired+0xaf/0x4b0
[  439.610076]  ? lock_downgrade+0x900/0x900
[  439.614218]  br_mdb_notify+0x310/0x410
[  439.618094]  ? br_mdb_dump+0x25e0/0x25e0
[  439.622152]  br_multicast_group_expired+0x1eb/0x4b0
[  439.627152]  ? check_preemption_disabled+0x48/0x280
[  439.632155]  ? __rhashtable_remove_fast.constprop.41+0xe20/0xe20
[  439.638290]  ? __lock_is_held+0xb5/0x140
[  439.642349]  call_timer_fn+0x272/0x920
[  439.646225]  ? __rhashtable_remove_fast.constprop.41+0xe20/0xe20
[  439.652365]  ? process_timeout+0x40/0x40
[  439.656416]  ? __run_timers+0x7da/0xc70
[  439.660388]  ? _raw_spin_unlock_irq+0x27/0x80
[  439.664867]  ? _raw_spin_unlock_irq+0x27/0x80
[  439.669346]  ? __rhashtable_remove_fast.constprop.41+0xe20/0xe20
[  439.675479]  ? lockdep_hardirqs_on+0x296/0x5b0
[  439.680047]  ? trace_hardirqs_on+0xbd/0x310
[  439.684354]  ? kasan_check_read+0x11/0x20
[  439.688500]  ? __run_timers+0x7da/0xc70
[  439.692462]  ? trace_hardirqs_off_caller+0x310/0x310
[  439.697553]  ? __rhashtable_remove_fast.constprop.41+0xe20/0xe20
[  439.703690]  ? __rhashtable_remove_fast.constprop.41+0xe20/0xe20
[  439.709820]  __run_timers+0x7e5/0xc70
[  439.713612]  ? timer_fixup_init+0x70/0x70
[  439.717750]  ? _raw_spin_unlock_irq+0x27/0x80
[  439.722235]  ? _raw_spin_unlock_irq+0x27/0x80
[  439.726725]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  439.731295]  ? trace_hardirqs_on+0xbd/0x310
[  439.735601]  ? kasan_check_read+0x11/0x20
[  439.739739]  ? finish_task_switch+0x1f4/0x910
[  439.744220]  ? trace_hardirqs_off_caller+0x310/0x310
[  439.749308]  ? compat_start_thread+0x80/0x80
[  439.753719]  ? pvclock_read_flags+0x160/0x160
[  439.758201]  ? __switch_to_asm+0x34/0x70
[  439.762252]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.767782]  ? check_preemption_disabled+0x48/0x280
[  439.772791]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  439.778323]  ? rcu_pm_notify+0xc0/0xc0
[  439.782212]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.787735]  ? check_preemption_disabled+0x48/0x280
[  439.792738]  run_timer_softirq+0x52/0xb0
[  439.796783]  ? rcu_read_lock_sched_held+0x14f/0x180
[  439.801788]  __do_softirq+0x308/0xb7e
[  439.805580]  ? retint_kernel+0x2d/0x2d
[  439.809463]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  439.814553]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  439.819988]  ? rcu_irq_enter+0x18c/0x310
[  439.824037]  ? schedule+0x108/0x460
[  439.827661]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  439.832409]  ? trace_hardirqs_off+0xb8/0x310
[  439.836812]  ? smpboot_thread_fn+0x68b/0xa00
[  439.841205]  ? trace_hardirqs_on+0x310/0x310
[  439.845613]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  439.851140]  ? check_preemption_disabled+0x48/0x280
[  439.856144]  ? takeover_tasklets+0xa90/0xa90
[  439.860545]  run_ksoftirqd+0x5e/0x100
[  439.864332]  smpboot_thread_fn+0x68b/0xa00
[  439.868561]  ? sort_range+0x30/0x30
[  439.872181]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  439.877269]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  439.882801]  ? __kthread_parkme+0xfb/0x1a0
[  439.887026]  ? sort_range+0x30/0x30
[  439.890640]  kthread+0x35a/0x440
[  439.893994]  ? kthread_stop+0x900/0x900
[  439.897958]  ret_from_fork+0x3a/0x50
[  439.901670] CPU: 1 PID: 16176 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #181
[  439.901672] Mem-Info:
[  439.901699] active_anon:54949 inactive_anon:10067 isolated_anon:0
[  439.901699]  active_file:12 inactive_file:12 isolated_file:0
[  439.901699]  unevictable:0 dirty:0 writeback:0 unstable:0
[  439.901699]  slab_reclaimable:9454 slab_unreclaimable:1442611
[  439.901699]  mapped:40962 shmem:10230 pagetables:596 bounce:0
[  439.901699]  free:13765 free_pcp:525 free_cma:0
[  439.909014] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  439.909020] Call Trace:
[  439.911451] Node 0 active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:40920kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 202752kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  439.944833]  <IRQ>
[  439.954159] 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
[  439.956734]  dump_stack+0x244/0x39d
[  439.984551] lowmem_reserve[]: 0 2818 6321 6321
[  439.986701]  ? dump_stack_print_info.cold.1+0x20/0x20
[  440.012774] Node 0 DMA32 free:25248kB 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:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  440.016391]  warn_alloc.cold.116+0xb7/0x1bd
[  440.020942] lowmem_reserve[]: 0 0 3503 3503
[  440.026116]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  440.053610] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2384kB bounce:0kB free_pcp:1852kB local_pcp:1500kB free_cma:0kB
[  440.057926]  ? lock_downgrade+0x900/0x900
[  440.062207] lowmem_reserve[]: 0 0 0 0
[  440.067036]  ? trace_hardirqs_off+0xb8/0x310
[  440.096236] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  440.100370]  ? trace_hardirqs_off+0xb8/0x310
[  440.104136] Node 0 DMA32: 4*4kB (UM) 0*8kB 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB
[  440.108537]  __alloc_pages_slowpath+0x2651/0x2de0
[  440.122026] Node 0 Normal: 1308*4kB (ME) 392*8kB (UME) 140*16kB (ME) 47*32kB (ME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  440.126453]  ? warn_alloc+0x120/0x120
[  440.141329] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  440.146255]  ? print_usage_bug+0xc0/0xc0
[  440.160891] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  440.164674]  ? warn_alloc+0x120/0x120
[  440.173477] 10254 total pagecache pages
[  440.177518]  ? warn_alloc+0x120/0x120
[  440.186065] 0 pages in swap cache
[  440.189842]  ? print_usage_bug+0xc0/0xc0
[  440.193813] Swap cache stats: add 0, delete 0, find 0/0
[  440.197593]  ? kvm_clock_read+0x18/0x30
[  440.201032] Free swap  = 0kB
[  440.205074]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  440.210408] Total swap = 0kB
[  440.214358]  ? print_usage_bug+0xc0/0xc0
[  440.217361] 1965979 pages RAM
[  440.222359]  ? __lock_acquire+0x62f/0x4c20
[  440.225338] 0 pages HighMem/MovableOnly
[  440.225344] 342853 pages reserved
[  440.229387]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  440.232456] 0 pages cma reserved
[  440.236669]  ? should_fail+0x22d/0xd01
[  440.240756] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  440.244173]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  440.249676] ksoftirqd/0 cpuset=/ mems_allowed=0
[  440.253025]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  440.282267]  ? __lock_acquire+0x62f/0x4c20
[  440.286494]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  440.291591]  ? __lock_acquire+0x62f/0x4c20
[  440.295813]  ? should_fail+0x22d/0xd01
[  440.299683]  ? rcu_irq_exit+0x1a2/0x390
[  440.303650]  ? mark_held_locks+0x130/0x130
[  440.307877]  ? mark_held_locks+0x130/0x130
[  440.312241]  ? mark_held_locks+0xc7/0x130
[  440.316379]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  440.321382]  ? zap_class+0x640/0x640
[  440.325086]  ? print_usage_bug+0xc0/0xc0
[  440.329162]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.334712]  ? check_preemption_disabled+0x48/0x280
[  440.339724]  ? __lock_is_held+0xb5/0x140
[  440.343777]  __alloc_pages_nodemask+0xad8/0xea0
[  440.348430]  ? zap_class+0x640/0x640
[  440.352143]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  440.357160]  ? find_held_lock+0x36/0x1c0
[  440.361215]  ? ____cache_alloc_node+0x1c7/0x1e0
[  440.365871]  ? lock_downgrade+0x900/0x900
[  440.370012]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.375538]  cache_grow_begin+0xa5/0x8c0
[  440.379585]  ? do_raw_spin_unlock+0xa7/0x330
[  440.383988]  fallback_alloc+0x204/0x2e0
[  440.387962]  ____cache_alloc_node+0x1c7/0x1e0
[  440.392446]  kmem_cache_alloc_node+0xe3/0x730
[  440.396937]  ? ipv6_get_ifaddr+0x42e/0x620
[  440.401166]  __alloc_skb+0x119/0x770
[  440.404870]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  440.410145]  ? netdev_alloc_frag+0x1f0/0x1f0
[  440.414542]  ? lock_downgrade+0x900/0x900
[  440.418760]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.424284]  ? refcount_sub_and_test_checked+0x203/0x310
[  440.429723]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  440.435162]  ? addrconf_rs_timer+0x690/0x690
[  440.439567]  ndisc_alloc_skb+0x144/0x340
[  440.443619]  ndisc_send_rs+0x331/0x6e0
[  440.447497]  addrconf_rs_timer+0x314/0x690
[  440.451721]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  440.455949]  call_timer_fn+0x272/0x920
[  440.459821]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  440.464044]  ? process_timeout+0x40/0x40
[  440.468097]  ? __run_timers+0x7da/0xc70
[  440.472067]  ? _raw_spin_unlock_irq+0x27/0x80
[  440.476943]  ? _raw_spin_unlock_irq+0x27/0x80
[  440.481426]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  440.485648]  ? lockdep_hardirqs_on+0x296/0x5b0
[  440.490220]  ? trace_hardirqs_on+0xbd/0x310
[  440.494526]  ? kasan_check_read+0x11/0x20
[  440.498663]  ? __run_timers+0x7da/0xc70
[  440.502638]  ? trace_hardirqs_off_caller+0x310/0x310
[  440.507730]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  440.511959]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  440.516180]  __run_timers+0x7e5/0xc70
[  440.519984]  ? timer_fixup_init+0x70/0x70
[  440.524132]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  440.529141]  ? zap_class+0x640/0x640
[  440.532844]  ? enqueue_hrtimer+0x1a5/0x560
[  440.537080]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  440.542263]  ? find_held_lock+0x36/0x1c0
[  440.546317]  ? zap_class+0x640/0x640
[  440.550022]  ? pvclock_read_flags+0x160/0x160
[  440.554508]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.560033]  ? check_preemption_disabled+0x48/0x280
[  440.565052]  ? __lock_is_held+0xb5/0x140
[  440.569106]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.574648]  ? check_preemption_disabled+0x48/0x280
[  440.579652]  run_timer_softirq+0x52/0xb0
[  440.583701]  ? rcu_read_lock_sched_held+0x14f/0x180
[  440.588707]  __do_softirq+0x308/0xb7e
[  440.592494]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  440.596994]  ? lock_downgrade+0x900/0x900
[  440.601146]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  440.606311]  ? pvclock_read_flags+0x160/0x160
[  440.610802]  ? lapic_next_event+0x5a/0x90
[  440.614944]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.620472]  ? kvm_clock_read+0x18/0x30
[  440.624435]  ? kvm_sched_clock_read+0x9/0x20
[  440.628835]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.634363]  ? check_preemption_disabled+0x48/0x280
[  440.639377]  irq_exit+0x17f/0x1c0
[  440.642816]  smp_apic_timer_interrupt+0x1cb/0x760
[  440.647680]  ? smp_reschedule_interrupt+0x109/0x650
[  440.652684]  ? smp_call_function_single_interrupt+0x650/0x650
[  440.658553]  ? interrupt_entry+0xb5/0xc0
[  440.662601]  ? trace_hardirqs_off_caller+0xbb/0x310
[  440.667600]  ? trace_hardirqs_off_caller+0xbb/0x310
[  440.672603]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  440.677434]  ? trace_hardirqs_on_caller+0x310/0x310
[  440.682436]  ? trace_hardirqs_on_caller+0x310/0x310
[  440.687441]  ? task_prio+0x50/0x50
[  440.690969]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.696496]  ? check_preemption_disabled+0x48/0x280
[  440.701505]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  440.706341]  apic_timer_interrupt+0xf/0x20
[  440.710575]  </IRQ>
[  440.712806] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  440.718698] Code: 3e 7e 0f 85 32 ff ff ff e8 03 6a 3d ff e9 28 ff ff ff e8 4a 99 c2 ff 48 83 3d c2 ed 8e 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 ca 05
[  440.737585] RSP: 0018:ffff888198b071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  440.745285] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  440.752550] RDX: 0000000000000000 RSI: ffff8881bbc289c0 RDI: 0000000000000286
[  440.759804] RBP: ffff888198b07250 R08: ffff8881bbc28140 R09: 0000000000000000
[  440.767057] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800940
[  440.774308] R13: ffff8881da800940 R14: 0000000000000000 R15: 0000000000000286
[  440.781585]  ? save_stack+0xa9/0xd0
[  440.785216]  __kmalloc_node_track_caller+0x3c/0x70
[  440.790140]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  440.794892]  pskb_expand_head+0x230/0x10f0
[  440.799126]  ? memcpy+0x45/0x50
[  440.802395]  ? __copy_skb_header+0x350/0x6b0
[  440.806797]  ? skb_release_data+0x9a0/0x9a0
[  440.811109]  ? __alloc_skb+0x770/0x770
[  440.814990]  ? __lock_is_held+0xb5/0x140
[  440.819044]  ? kasan_check_write+0x14/0x20
[  440.823263]  ? __skb_clone+0x6c7/0xa00
[  440.827141]  ? __copy_skb_header+0x6b0/0x6b0
[  440.831533]  ? kmem_cache_alloc+0x33a/0x730
[  440.835847]  skb_ensure_writable+0x3dd/0x640
[  440.840252]  ? skb_checksum_setup+0xaa0/0xaa0
[  440.844737]  ? check_preemption_disabled+0x48/0x280
[  440.849746]  ? __this_cpu_preempt_check+0x1c/0x20
[  440.854573]  ? __bpf_redirect+0x55b/0xb60
[  440.858712]  bpf_clone_redirect+0x14a/0x490
[  440.863031]  bpf_prog_88483476fbe68a28+0x6f0/0x1000
[  440.868036]  ? __sched_text_start+0x8/0x8
[  440.872212]  ? find_held_lock+0x36/0x1c0
[  440.876265]  ? lock_acquire+0x1ed/0x520
[  440.880228]  ? bpf_test_run+0x3ee/0x7a0
[  440.884190]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.889730]  ? check_preemption_disabled+0x48/0x280
[  440.894736]  ? kasan_check_read+0x11/0x20
[  440.898875]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  440.904137]  ? rcu_softirq_qs+0x20/0x20
[  440.908104]  ? preempt_schedule+0x4d/0x60
[  440.912258]  ? ___preempt_schedule+0x16/0x18
[  440.916662]  ? bpf_test_run+0x271/0x7a0
[  440.920634]  ? netlink_diag_dump+0x2a0/0x2a0
[  440.925032]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  440.930555]  ? bpf_test_init.isra.10+0x70/0x100
[  440.935223]  ? bpf_prog_test_run_skb+0x762/0xd90
[  440.939970]  ? bpf_test_finish.isra.9+0x260/0x260
[  440.944808]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  440.950334]  ? fput+0x130/0x1a0
[  440.953817]  ? __bpf_prog_get+0x9b/0x290
[  440.957871]  ? bpf_test_finish.isra.9+0x260/0x260
[  440.962701]  ? __do_sys_bpf+0x1898/0x4570
[  440.966839]  ? bpf_prog_load+0x1db0/0x1db0
[  440.971067]  ? find_held_lock+0x36/0x1c0
[  440.975131]  ? __might_fault+0x12b/0x1e0
[  440.979179]  ? lock_downgrade+0x900/0x900
[  440.983317]  ? lock_release+0xa00/0xa00
[  440.987280]  ? perf_trace_sched_process_exec+0x860/0x860
[  440.992713]  ? posix_ktime_get_ts+0x15/0x20
[  440.997020]  ? trace_hardirqs_off_caller+0x310/0x310
[  441.002131]  ? kasan_check_read+0x11/0x20
[  441.006353]  ? _copy_to_user+0xc8/0x110
[  441.010318]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  441.015934]  ? put_timespec64+0x10f/0x1b0
[  441.020075]  ? nsecs_to_jiffies+0x30/0x30
[  441.024231]  ? trace_hardirqs_off_caller+0x310/0x310
[  441.029325]  ? __x64_sys_bpf+0x73/0xb0
[  441.033204]  ? do_syscall_64+0x1b9/0x820
[  441.037250]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  441.042614]  ? syscall_return_slowpath+0x5e0/0x5e0
[  441.047528]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  441.052444]  ? trace_hardirqs_on_caller+0x310/0x310
[  441.057446]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  441.062451]  ? prepare_exit_to_usermode+0x291/0x3b0
[  441.067463]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  441.072296]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  441.077658] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #181
[  441.077733] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  441.084490] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  441.084495] Call Trace:
[  441.084511]  dump_stack+0x244/0x39d
[  441.084529]  ? dump_stack_print_info.cold.1+0x20/0x20
[  441.091038] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  441.100330]  warn_alloc.cold.116+0xb7/0x1bd
[  441.102874] syz-executor0 cpuset=syz0 mems_allowed=0
[  441.106493]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  441.136300]  ? lock_downgrade+0x900/0x900
[  441.140442]  ? trace_hardirqs_off+0xb8/0x310
[  441.144839]  ? trace_hardirqs_off+0xb8/0x310
[  441.149243]  __alloc_pages_slowpath+0x2651/0x2de0
[  441.154097]  ? warn_alloc+0x120/0x120
[  441.157888]  ? warn_alloc+0x120/0x120
[  441.161684]  ? warn_alloc+0x120/0x120
[  441.165475]  ? print_usage_bug+0xc0/0xc0
[  441.169524]  ? print_usage_bug+0xc0/0xc0
[  441.173593]  ? find_held_lock+0x36/0x1c0
[  441.177646]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  441.183172]  ? should_fail+0x22d/0xd01
[  441.187089]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  441.192195]  ? __lock_acquire+0x62f/0x4c20
[  441.196424]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  441.201528]  ? should_fail+0x22d/0xd01
[  441.205406]  ? trace_hardirqs_off+0xb8/0x310
[  441.209808]  ? mark_held_locks+0x130/0x130
[  441.214035]  ? mark_held_locks+0x130/0x130
[  441.218257]  ? print_usage_bug+0xc0/0xc0
[  441.222322]  ? zap_class+0x640/0x640
[  441.226025]  ? ret_from_fork+0x3a/0x50
[  441.229920]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.235447]  ? check_preemption_disabled+0x48/0x280
[  441.240458]  ? __lock_is_held+0xb5/0x140
[  441.244510]  __alloc_pages_nodemask+0xad8/0xea0
[  441.249170]  ? zap_class+0x640/0x640
[  441.252876]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  441.257889]  ? find_held_lock+0x36/0x1c0
[  441.261944]  ? ____cache_alloc_node+0x1c7/0x1e0
[  441.266602]  ? lock_downgrade+0x900/0x900
[  441.270739]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.276267]  cache_grow_begin+0xa5/0x8c0
[  441.280314]  ? do_raw_spin_unlock+0xa7/0x330
[  441.284715]  fallback_alloc+0x204/0x2e0
[  441.288687]  ____cache_alloc_node+0x1c7/0x1e0
[  441.293175]  kmem_cache_alloc_node+0xe3/0x730
[  441.297654]  ? mark_held_locks+0xc7/0x130
[  441.301801]  __alloc_skb+0x119/0x770
[  441.305505]  ? netdev_alloc_frag+0x1f0/0x1f0
[  441.309898]  ? do_raw_spin_trylock+0x270/0x270
[  441.314465]  ? kmem_cache_alloc_trace+0x353/0x750
[  441.319299]  ? queue_work_on+0x12c/0x1e0
[  441.323352]  ? switchdev_port_obj_del+0xe3/0x450
[  441.328095]  ? switchdev_trans_item_enqueue+0x260/0x260
[  441.333443]  ? mark_held_locks+0x130/0x130
[  441.337679]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  441.342692]  __br_mdb_notify+0x4ff/0x15d0
[  441.346839]  ? __br_mdb_add+0x730/0x730
[  441.350797]  ? __lock_acquire+0x62f/0x4c20
[  441.355017]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.360543]  ? check_preemption_disabled+0x48/0x280
[  441.365576]  ? br_multicast_group_expired+0xaf/0x4b0
[  441.370668]  ? lock_downgrade+0x900/0x900
[  441.374920]  br_mdb_notify+0x310/0x410
[  441.378796]  ? br_mdb_dump+0x25e0/0x25e0
[  441.382854]  br_multicast_group_expired+0x1eb/0x4b0
[  441.387858]  ? check_preemption_disabled+0x48/0x280
[  441.392861]  ? __rhashtable_remove_fast.constprop.41+0xe20/0xe20
[  441.398996]  ? __lock_is_held+0xb5/0x140
[  441.403055]  call_timer_fn+0x272/0x920
[  441.406936]  ? __rhashtable_remove_fast.constprop.41+0xe20/0xe20
[  441.413077]  ? process_timeout+0x40/0x40
[  441.417131]  ? __run_timers+0x7da/0xc70
[  441.421097]  ? _raw_spin_unlock_irq+0x27/0x80
[  441.425591]  ? _raw_spin_unlock_irq+0x27/0x80
[  441.430079]  ? __rhashtable_remove_fast.constprop.41+0xe20/0xe20
[  441.436214]  ? lockdep_hardirqs_on+0x296/0x5b0
[  441.440786]  ? trace_hardirqs_on+0xbd/0x310
[  441.445183]  ? kasan_check_read+0x11/0x20
[  441.449321]  ? __run_timers+0x7da/0xc70
[  441.453283]  ? trace_hardirqs_off_caller+0x310/0x310
[  441.458389]  ? __rhashtable_remove_fast.constprop.41+0xe20/0xe20
[  441.464523]  ? __rhashtable_remove_fast.constprop.41+0xe20/0xe20
[  441.470658]  __run_timers+0x7e5/0xc70
[  441.474459]  ? timer_fixup_init+0x70/0x70
[  441.478598]  ? _raw_spin_unlock_irq+0x27/0x80
[  441.483184]  ? _raw_spin_unlock_irq+0x27/0x80
[  441.487671]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  441.492249]  ? trace_hardirqs_on+0xbd/0x310
[  441.496557]  ? kasan_check_read+0x11/0x20
[  441.500692]  ? finish_task_switch+0x1f4/0x910
[  441.505192]  ? trace_hardirqs_off_caller+0x310/0x310
[  441.510292]  ? compat_start_thread+0x80/0x80
[  441.514714]  ? pvclock_read_flags+0x160/0x160
[  441.519197]  ? __switch_to_asm+0x34/0x70
[  441.523249]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.528770]  ? check_preemption_disabled+0x48/0x280
[  441.533986]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  441.539526]  ? rcu_pm_notify+0xc0/0xc0
[  441.543405]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.548929]  ? check_preemption_disabled+0x48/0x280
[  441.553935]  run_timer_softirq+0x52/0xb0
[  441.557994]  ? rcu_read_lock_sched_held+0x14f/0x180
[  441.563016]  __do_softirq+0x308/0xb7e
[  441.566922]  ? retint_kernel+0x2d/0x2d
[  441.570802]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  441.575889]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  441.581332]  ? rcu_irq_enter+0x18c/0x310
[  441.585384]  ? schedule+0x108/0x460
[  441.588996]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  441.593746]  ? trace_hardirqs_off+0xb8/0x310
[  441.598143]  ? smpboot_thread_fn+0x68b/0xa00
[  441.602552]  ? trace_hardirqs_on+0x310/0x310
[  441.606970]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  441.612495]  ? check_preemption_disabled+0x48/0x280
[  441.617499]  ? takeover_tasklets+0xa90/0xa90
[  441.621897]  run_ksoftirqd+0x5e/0x100
[  441.625686]  smpboot_thread_fn+0x68b/0xa00
[  441.629913]  ? sort_range+0x30/0x30
[  441.633533]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  441.638622]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  441.644145]  ? __kthread_parkme+0xfb/0x1a0
[  441.648367]  ? sort_range+0x30/0x30
[  441.651979]  kthread+0x35a/0x440
[  441.655331]  ? kthread_stop+0x900/0x900
[  441.659309]  ret_from_fork+0x3a/0x50
[  441.663025] CPU: 1 PID: 16176 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #181
[  441.663029] warn_alloc_show_mem: 1 callbacks suppressed
[  441.663034] Mem-Info:
[  441.670380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  441.675731] active_anon:54949 inactive_anon:10067 isolated_anon:0
[  441.675731]  active_file:12 inactive_file:12 isolated_file:0
[  441.675731]  unevictable:0 dirty:0 writeback:0 unstable:0
[  441.675731]  slab_reclaimable:9454 slab_unreclaimable:1442611
[  441.675731]  mapped:40962 shmem:10230 pagetables:596 bounce:0
[  441.675731]  free:13765 free_pcp:525 free_cma:0
[  441.678093] Call Trace:
[  441.687462] Node 0 active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:40920kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 202752kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  441.720646]  <IRQ>
[  441.723201] 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
[  441.751116]  dump_stack+0x244/0x39d
[  441.753233] lowmem_reserve[]: 0 2818 6321 6321
[  441.779337]  ? dump_stack_print_info.cold.1+0x20/0x20
[  441.782930] Node 0 DMA32 free:25248kB 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:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  441.787502]  warn_alloc.cold.116+0xb7/0x1bd
[  441.792649] lowmem_reserve[]: 0 0 3503 3503
[  441.819957]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  441.824247] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2384kB bounce:0kB free_pcp:1852kB local_pcp:1500kB free_cma:0kB
[  441.828553]  ? lock_downgrade+0x900/0x900
[  441.833359] lowmem_reserve[]: 0 0 0 0
[  441.862579]  ? trace_hardirqs_off+0xb8/0x310
[  441.866710] 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
[  441.870499]  ? trace_hardirqs_off+0xb8/0x310
[  441.874871] Node 0 DMA32: 4*4kB (UM) 0*8kB 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB
[  441.888381]  __alloc_pages_slowpath+0x2651/0x2de0
[  441.892767] Node 0 Normal: 1308*4kB (ME) 392*8kB (UME) 140*16kB (ME) 47*32kB (ME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  441.907695]  ? warn_alloc+0x120/0x120
[  441.912493] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  441.927120]  ? print_usage_bug+0xc0/0xc0
[  441.930894] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  441.939706]  ? warn_alloc+0x120/0x120
[  441.943735] 10254 total pagecache pages
[  441.952296]  ? warn_alloc+0x120/0x120
[  441.956069] 0 pages in swap cache
[  441.960025]  ? print_usage_bug+0xc0/0xc0
[  441.963793] Swap cache stats: add 0, delete 0, find 0/0
[  441.967226]  ? print_usage_bug+0xc0/0xc0
[  441.971259] Free swap  = 0kB
[  441.976605]  ? __lock_acquire+0x62f/0x4c20
[  441.980630] Total swap = 0kB
[  441.983646]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  441.987856] 1965979 pages RAM
[  441.990856]  ? should_fail+0x22d/0xd01
[  441.996352] 0 pages HighMem/MovableOnly
[  441.996358] 342853 pages reserved
[  441.999446]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  442.003300] 0 pages cma reserved
[  442.007257]  ? __lock_acquire+0x62f/0x4c20
[  442.010811] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  442.015763]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  442.019109] ksoftirqd/0 cpuset=/ mems_allowed=0
[  442.023322]  ? __lock_acquire+0x62f/0x4c20
[  442.023335]  ? should_fail+0x22d/0xd01
[  442.051415]  ? find_held_lock+0x36/0x1c0
[  442.055470]  ? mark_held_locks+0x130/0x130
[  442.059696]  ? mark_held_locks+0x130/0x130
[  442.063915]  ? zap_class+0x640/0x640
[  442.067614]  ? zap_class+0x640/0x640
[  442.071327]  ? print_usage_bug+0xc0/0xc0
[  442.075382]  ? do_raw_spin_unlock+0xa7/0x330
[  442.079779]  ? zap_class+0x640/0x640
[  442.083479]  ? print_usage_bug+0xc0/0xc0
[  442.087526]  ? wq_watchdog_touch+0x9c/0xfe
[  442.091772]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.097303]  ? check_preemption_disabled+0x48/0x280
[  442.102320]  ? __lock_is_held+0xb5/0x140
[  442.106374]  __alloc_pages_nodemask+0xad8/0xea0
[  442.111037]  ? zap_class+0x640/0x640
[  442.114752]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  442.119773]  ? find_held_lock+0x36/0x1c0
[  442.123833]  ? ____cache_alloc_node+0x1c7/0x1e0
[  442.128490]  ? lock_downgrade+0x900/0x900
[  442.132630]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.138158]  cache_grow_begin+0xa5/0x8c0
[  442.142205]  ? do_raw_spin_unlock+0xa7/0x330
[  442.146608]  fallback_alloc+0x204/0x2e0
[  442.150577]  ____cache_alloc_node+0x1c7/0x1e0
[  442.155063]  kmem_cache_alloc_node+0xe3/0x730
[  442.159545]  ? ipv6_get_ifaddr+0x42e/0x620
[  442.163788]  __alloc_skb+0x119/0x770
[  442.167488]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  442.172758]  ? netdev_alloc_frag+0x1f0/0x1f0
[  442.177161]  ? lock_downgrade+0x900/0x900
[  442.181316]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.186845]  ? refcount_sub_and_test_checked+0x203/0x310
[  442.192292]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  442.197728]  ? addrconf_rs_timer+0x690/0x690
[  442.202133]  ndisc_alloc_skb+0x144/0x340
[  442.206186]  ndisc_send_rs+0x331/0x6e0
[  442.210067]  addrconf_rs_timer+0x314/0x690
[  442.214293]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  442.218524]  call_timer_fn+0x272/0x920
[  442.222402]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  442.226623]  ? process_timeout+0x40/0x40
[  442.230677]  ? __run_timers+0x7da/0xc70
[  442.234639]  ? _raw_spin_unlock_irq+0x27/0x80
[  442.239120]  ? _raw_spin_unlock_irq+0x27/0x80
[  442.243602]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  442.247824]  ? lockdep_hardirqs_on+0x296/0x5b0
[  442.252396]  ? trace_hardirqs_on+0xbd/0x310
[  442.256707]  ? kasan_check_read+0x11/0x20
[  442.260841]  ? __run_timers+0x7da/0xc70
[  442.264807]  ? trace_hardirqs_off_caller+0x310/0x310
[  442.269901]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  442.274126]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  442.278343]  __run_timers+0x7e5/0xc70
[  442.282136]  ? timer_fixup_init+0x70/0x70
[  442.286275]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  442.291282]  ? zap_class+0x640/0x640
[  442.294985]  ? enqueue_hrtimer+0x1a5/0x560
[  442.299213]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  442.304401]  ? find_held_lock+0x36/0x1c0
[  442.308452]  ? zap_class+0x640/0x640
[  442.312362]  ? pvclock_read_flags+0x160/0x160
[  442.316875]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.322400]  ? check_preemption_disabled+0x48/0x280
[  442.327502]  ? __lock_is_held+0xb5/0x140
[  442.331554]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.337078]  ? check_preemption_disabled+0x48/0x280
[  442.342086]  run_timer_softirq+0x52/0xb0
[  442.346139]  ? rcu_read_lock_sched_held+0x14f/0x180
[  442.351155]  __do_softirq+0x308/0xb7e
[  442.354945]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  442.359427]  ? lock_downgrade+0x900/0x900
[  442.363582]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  442.368675]  ? pvclock_read_flags+0x160/0x160
[  442.373159]  ? lapic_next_event+0x5a/0x90
[  442.377304]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.382945]  ? kvm_clock_read+0x18/0x30
[  442.386906]  ? kvm_sched_clock_read+0x9/0x20
[  442.391303]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.396825]  ? check_preemption_disabled+0x48/0x280
[  442.401834]  irq_exit+0x17f/0x1c0
[  442.405296]  smp_apic_timer_interrupt+0x1cb/0x760
[  442.410140]  ? smp_reschedule_interrupt+0x109/0x650
[  442.415144]  ? smp_call_function_single_interrupt+0x650/0x650
[  442.421020]  ? interrupt_entry+0xb5/0xc0
[  442.425091]  ? trace_hardirqs_off_caller+0xbb/0x310
[  442.430096]  ? trace_hardirqs_off_caller+0xbb/0x310
[  442.435103]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  442.439932]  ? trace_hardirqs_on_caller+0x310/0x310
[  442.444934]  ? trace_hardirqs_on_caller+0x310/0x310
[  442.449934]  ? task_prio+0x50/0x50
[  442.453483]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.459115]  ? check_preemption_disabled+0x48/0x280
[  442.464151]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  442.469004]  apic_timer_interrupt+0xf/0x20
[  442.473222]  </IRQ>
[  442.475453] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  442.481846] Code: 3e 7e 0f 85 32 ff ff ff e8 03 6a 3d ff e9 28 ff ff ff e8 4a 99 c2 ff 48 83 3d c2 ed 8e 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 ca 05
[  442.500735] RSP: 0018:ffff888198b071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  442.508436] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  442.515694] RDX: 0000000000000000 RSI: ffff8881bbc289c0 RDI: 0000000000000286
[  442.522951] RBP: ffff888198b07250 R08: ffff8881bbc28140 R09: 0000000000000000
[  442.530214] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800940
[  442.537478] R13: ffff8881da800940 R14: 0000000000000000 R15: 0000000000000286
[  442.544776]  ? save_stack+0xa9/0xd0
[  442.548400]  __kmalloc_node_track_caller+0x3c/0x70
[  442.553322]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  442.558084]  pskb_expand_head+0x230/0x10f0
[  442.562311]  ? memcpy+0x45/0x50
[  442.565579]  ? __copy_skb_header+0x350/0x6b0
[  442.569984]  ? skb_release_data+0x9a0/0x9a0
[  442.574297]  ? __alloc_skb+0x770/0x770
[  442.578177]  ? __lock_is_held+0xb5/0x140
[  442.582229]  ? kasan_check_write+0x14/0x20
[  442.586455]  ? __skb_clone+0x6c7/0xa00
[  442.590332]  ? __copy_skb_header+0x6b0/0x6b0
[  442.594726]  ? kmem_cache_alloc+0x33a/0x730
[  442.599045]  skb_ensure_writable+0x3dd/0x640
[  442.603449]  ? skb_checksum_setup+0xaa0/0xaa0
[  442.607936]  ? check_preemption_disabled+0x48/0x280
[  442.612946]  ? __this_cpu_preempt_check+0x1c/0x20
[  442.617788]  ? __bpf_redirect+0x55b/0xb60
[  442.622016]  bpf_clone_redirect+0x14a/0x490
[  442.626333]  bpf_prog_88483476fbe68a28+0x6f0/0x1000
[  442.631341]  ? __sched_text_start+0x8/0x8
[  442.635485]  ? find_held_lock+0x36/0x1c0
[  442.639548]  ? lock_acquire+0x1ed/0x520
[  442.643513]  ? bpf_test_run+0x3ee/0x7a0
[  442.647479]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.653004]  ? check_preemption_disabled+0x48/0x280
[  442.658012]  ? kasan_check_read+0x11/0x20
[  442.662148]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  442.667412]  ? rcu_softirq_qs+0x20/0x20
[  442.671376]  ? preempt_schedule+0x4d/0x60
[  442.675511]  ? ___preempt_schedule+0x16/0x18
[  442.679914]  ? bpf_test_run+0x271/0x7a0
[  442.683883]  ? netlink_diag_dump+0x2a0/0x2a0
[  442.688283]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  442.693807]  ? bpf_test_init.isra.10+0x70/0x100
[  442.698481]  ? bpf_prog_test_run_skb+0x762/0xd90
[  442.703246]  ? bpf_test_finish.isra.9+0x260/0x260
[  442.708359]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  442.713892]  ? fput+0x130/0x1a0
[  442.717168]  ? __bpf_prog_get+0x9b/0x290
[  442.721217]  ? bpf_test_finish.isra.9+0x260/0x260
[  442.726044]  ? __do_sys_bpf+0x1898/0x4570
[  442.730278]  ? bpf_prog_load+0x1db0/0x1db0
[  442.734503]  ? find_held_lock+0x36/0x1c0
[  442.738558]  ? __might_fault+0x12b/0x1e0
[  442.742620]  ? lock_downgrade+0x900/0x900
[  442.746756]  ? lock_release+0xa00/0xa00
[  442.750717]  ? perf_trace_sched_process_exec+0x860/0x860
[  442.756163]  ? posix_ktime_get_ts+0x15/0x20
[  442.760473]  ? trace_hardirqs_off_caller+0x310/0x310
[  442.765578]  ? kasan_check_read+0x11/0x20
[  442.769713]  ? _copy_to_user+0xc8/0x110
[  442.773683]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  442.779208]  ? put_timespec64+0x10f/0x1b0
[  442.783345]  ? nsecs_to_jiffies+0x30/0x30
[  442.787493]  ? trace_hardirqs_off_caller+0x310/0x310
[  442.792584]  ? __x64_sys_bpf+0x73/0xb0
[  442.796461]  ? do_syscall_64+0x1b9/0x820
[  442.800508]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  442.805861]  ? syscall_return_slowpath+0x5e0/0x5e0
[  442.810775]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  442.815603]  ? trace_hardirqs_on_caller+0x310/0x310
[  442.820606]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  442.825613]  ? prepare_exit_to_usermode+0x291/0x3b0
[  442.830626]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  442.835469]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  442.840838] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #181
[  442.840907] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  442.847671] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  442.847676] Call Trace:
[  442.847694]  dump_stack+0x244/0x39d
[  442.847711]  ? dump_stack_print_info.cold.1+0x20/0x20
[  442.854226] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  442.863513]  warn_alloc.cold.116+0xb7/0x1bd
[  442.866058] syz-executor0 cpuset=syz0 mems_allowed=0
[  442.869666]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  442.899506]  ? lock_downgrade+0x900/0x900
[  442.903644]  ? trace_hardirqs_off+0xb8/0x310
[  442.908131]  ? trace_hardirqs_off+0xb8/0x310
[  442.912535]  __alloc_pages_slowpath+0x2651/0x2de0
[  442.917386]  ? warn_alloc+0x120/0x120
[  442.921194]  ? warn_alloc+0x120/0x120
[  442.924991]  ? warn_alloc+0x120/0x120
[  442.928867]  ? print_usage_bug+0xc0/0xc0
[  442.932920]  ? print_usage_bug+0xc0/0xc0
[  442.936977]  ? find_held_lock+0x36/0x1c0
[  442.941030]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  442.946574]  ? should_fail+0x22d/0xd01
[  442.950458]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  442.955560]  ? __lock_acquire+0x62f/0x4c20
[  442.959782]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  442.964871]  ? should_fail+0x22d/0xd01
[  442.968742]  ? trace_hardirqs_off+0xb8/0x310
[  442.973143]  ? mark_held_locks+0x130/0x130
[  442.977371]  ? mark_held_locks+0x130/0x130
[  442.981601]  ? print_usage_bug+0xc0/0xc0
[  442.985657]  ? zap_class+0x640/0x640
[  442.989358]  ? ret_from_fork+0x3a/0x50
[  442.993248]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.998772]  ? check_preemption_disabled+0x48/0x280
[  443.003782]  ? __lock_is_held+0xb5/0x140
[  443.007836]  __alloc_pages_nodemask+0xad8/0xea0
[  443.012491]  ? zap_class+0x640/0x640
[  443.016195]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  443.021213]  ? find_held_lock+0x36/0x1c0
[  443.025268]  ? ____cache_alloc_node+0x1c7/0x1e0
[  443.029924]  ? lock_downgrade+0x900/0x900
[  443.034072]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.039600]  cache_grow_begin+0xa5/0x8c0
[  443.043644]  ? do_raw_spin_unlock+0xa7/0x330
[  443.048047]  fallback_alloc+0x204/0x2e0
[  443.052010]  ____cache_alloc_node+0x1c7/0x1e0
[  443.056597]  kmem_cache_alloc_node+0xe3/0x730
[  443.061080]  ? mark_held_locks+0xc7/0x130
[  443.065310]  __alloc_skb+0x119/0x770
[  443.069014]  ? netdev_alloc_frag+0x1f0/0x1f0
[  443.073410]  ? do_raw_spin_trylock+0x270/0x270
[  443.077978]  ? kmem_cache_alloc_trace+0x353/0x750
[  443.082812]  ? queue_work_on+0x12c/0x1e0
[  443.086870]  ? switchdev_port_obj_del+0xe3/0x450
[  443.091643]  ? switchdev_trans_item_enqueue+0x260/0x260
[  443.097010]  ? mark_held_locks+0x130/0x130
[  443.101234]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  443.106244]  __br_mdb_notify+0x4ff/0x15d0
[  443.110385]  ? __br_mdb_add+0x730/0x730
[  443.114346]  ? __lock_acquire+0x62f/0x4c20
[  443.118567]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.124093]  ? check_preemption_disabled+0x48/0x280
[  443.129109]  ? br_multicast_group_expired+0xaf/0x4b0
[  443.134203]  ? lock_downgrade+0x900/0x900
[  443.138340]  br_mdb_notify+0x310/0x410
[  443.142222]  ? br_mdb_dump+0x25e0/0x25e0
[  443.146278]  br_multicast_group_expired+0x1eb/0x4b0
[  443.151279]  ? check_preemption_disabled+0x48/0x280
[  443.156292]  ? __rhashtable_remove_fast.constprop.41+0xe20/0xe20
[  443.162429]  ? __lock_is_held+0xb5/0x140
[  443.166484]  call_timer_fn+0x272/0x920
[  443.170357]  ? __rhashtable_remove_fast.constprop.41+0xe20/0xe20
[  443.176486]  ? process_timeout+0x40/0x40
[  443.180537]  ? __run_timers+0x7da/0xc70
[  443.184501]  ? _raw_spin_unlock_irq+0x27/0x80
[  443.188979]  ? _raw_spin_unlock_irq+0x27/0x80
[  443.193457]  ? __rhashtable_remove_fast.constprop.41+0xe20/0xe20
[  443.199585]  ? lockdep_hardirqs_on+0x296/0x5b0
[  443.204161]  ? trace_hardirqs_on+0xbd/0x310
[  443.208471]  ? kasan_check_read+0x11/0x20
[  443.212607]  ? __run_timers+0x7da/0xc70
[  443.216572]  ? trace_hardirqs_off_caller+0x310/0x310
[  443.221674]  ? __rhashtable_remove_fast.constprop.41+0xe20/0xe20
[  443.227894]  ? __rhashtable_remove_fast.constprop.41+0xe20/0xe20
[  443.234023]  __run_timers+0x7e5/0xc70
[  443.237817]  ? timer_fixup_init+0x70/0x70
[  443.241959]  ? _raw_spin_unlock_irq+0x27/0x80
[  443.246438]  ? _raw_spin_unlock_irq+0x27/0x80
[  443.250921]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  443.255495]  ? trace_hardirqs_on+0xbd/0x310
[  443.259801]  ? kasan_check_read+0x11/0x20
[  443.263943]  ? finish_task_switch+0x1f4/0x910
[  443.268428]  ? trace_hardirqs_off_caller+0x310/0x310
[  443.273521]  ? compat_start_thread+0x80/0x80
[  443.277953]  ? pvclock_read_flags+0x160/0x160
[  443.282432]  ? __switch_to_asm+0x34/0x70
[  443.286482]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.292005]  ? check_preemption_disabled+0x48/0x280
[  443.297021]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  443.302544]  ? rcu_pm_notify+0xc0/0xc0
[  443.306420]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.311950]  ? check_preemption_disabled+0x48/0x280
[  443.316986]  run_timer_softirq+0x52/0xb0
[  443.321037]  ? rcu_read_lock_sched_held+0x14f/0x180
[  443.326043]  __do_softirq+0x308/0xb7e
[  443.329832]  ? retint_kernel+0x2d/0x2d
[  443.333713]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  443.338803]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  443.344237]  ? rcu_irq_enter+0x18c/0x310
[  443.348292]  ? schedule+0x108/0x460
[  443.351911]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  443.356669]  ? trace_hardirqs_off+0xb8/0x310
[  443.361066]  ? smpboot_thread_fn+0x68b/0xa00
[  443.365463]  ? trace_hardirqs_on+0x310/0x310
[  443.369864]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  443.375388]  ? check_preemption_disabled+0x48/0x280
[  443.380392]  ? takeover_tasklets+0xa90/0xa90
[  443.384796]  run_ksoftirqd+0x5e/0x100
[  443.388585]  smpboot_thread_fn+0x68b/0xa00
[  443.392807]  ? sort_range+0x30/0x30
[  443.396418]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  443.401504]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  443.407028]  ? __kthread_parkme+0xfb/0x1a0
[  443.411249]  ? sort_range+0x30/0x30
[  443.414862]  kthread+0x35a/0x440
[  443.418224]  ? kthread_stop+0x900/0x900
[  443.422190]  ret_from_fork+0x3a/0x50
[  443.425906] CPU: 1 PID: 16176 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #181
[  443.425910] warn_alloc_show_mem: 1 callbacks suppressed
[  443.425922] Mem-Info:
[  443.433261] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  443.438617] active_anon:54949 inactive_anon:10067 isolated_anon:0
[  443.438617]  active_file:12 inactive_file:12 isolated_file:0
[  443.438617]  unevictable:0 dirty:0 writeback:0 unstable:0
[  443.438617]  slab_reclaimable:9454 slab_unreclaimable:1442611
[  443.438617]  mapped:40962 shmem:10230 pagetables:596 bounce:0
[  443.438617]  free:13765 free_pcp:525 free_cma:0
[  443.440982] Call Trace:
[  443.450348] Node 0 active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:40920kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 202752kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  443.483621]  <IRQ>
[  443.486185] 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
[  443.514118]  dump_stack+0x244/0x39d
[  443.516232] lowmem_reserve[]: 0 2818 6321 6321
[  443.542327]  ? dump_stack_print_info.cold.1+0x20/0x20
[  443.545924] Node 0 DMA32 free:25248kB 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:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  443.550498]  warn_alloc.cold.116+0xb7/0x1bd
[  443.555642] lowmem_reserve[]: 0 0 3503 3503
[  443.582954]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  443.587242] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2384kB bounce:0kB free_pcp:1852kB local_pcp:1500kB free_cma:0kB
[  443.591544]  ? lock_downgrade+0x900/0x900
[  443.596348] lowmem_reserve[]: 0 0 0 0
[  443.625562]  ? trace_hardirqs_off+0xb8/0x310
[  443.629673] 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
[  443.633456]  ? trace_hardirqs_off+0xb8/0x310
[  443.637833] Node 0 DMA32: 4*4kB (UM) 0*8kB 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB
[  443.651344]  __alloc_pages_slowpath+0x2651/0x2de0
[  443.655717] Node 0 Normal: 1308*4kB (ME) 392*8kB (UME) 140*16kB (ME) 47*32kB (ME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  443.670626]  ? warn_alloc+0x120/0x120
[  443.675425] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  443.690053]  ? print_usage_bug+0xc0/0xc0
[  443.693825] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  443.702644]  ? warn_alloc+0x120/0x120
[  443.706672] 10254 total pagecache pages
[  443.715224]  ? warn_alloc+0x120/0x120
[  443.718998] 0 pages in swap cache
[  443.722944]  ? print_usage_bug+0xc0/0xc0
[  443.726712] Swap cache stats: add 0, delete 0, find 0/0
[  443.730144]  ? print_usage_bug+0xc0/0xc0
[  443.734172] Free swap  = 0kB
[  443.739513]  ? __lock_acquire+0x62f/0x4c20
[  443.743539] Total swap = 0kB
[  443.746550]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  443.750750] 1965979 pages RAM
[  443.753749]  ? should_fail+0x22d/0xd01
[  443.759246] 0 pages HighMem/MovableOnly
[  443.759252] 342853 pages reserved
[  443.762352]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  443.766204] 0 pages cma reserved
[  443.770163]  ? __lock_acquire+0x62f/0x4c20
[  443.773742] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  443.778668]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  443.781999] ksoftirqd/0 cpuset=/ mems_allowed=0
[  443.786208]  ? __lock_acquire+0x62f/0x4c20
[  443.786221]  ? should_fail+0x22d/0xd01
[  443.814294]  ? find_held_lock+0x36/0x1c0
[  443.818349]  ? mark_held_locks+0x130/0x130
[  443.822574]  ? mark_held_locks+0x130/0x130
[  443.826797]  ? zap_class+0x640/0x640
[  443.830512]  ? zap_class+0x640/0x640
[  443.834227]  ? print_usage_bug+0xc0/0xc0
[  443.838281]  ? do_raw_spin_unlock+0xa7/0x330
[  443.842766]  ? zap_class+0x640/0x640
[  443.846470]  ? print_usage_bug+0xc0/0xc0
[  443.850518]  ? wq_watchdog_touch+0x9c/0xfe
[  443.854744]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.860274]  ? check_preemption_disabled+0x48/0x280
[  443.865290]  ? __lock_is_held+0xb5/0x140
[  443.869351]  __alloc_pages_nodemask+0xad8/0xea0
[  443.874012]  ? zap_class+0x640/0x640
[  443.877722]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  443.882749]  ? find_held_lock+0x36/0x1c0
[  443.886813]  ? ____cache_alloc_node+0x1c7/0x1e0
[  443.891477]  ? lock_downgrade+0x900/0x900
[  443.895622]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.901158]  cache_grow_begin+0xa5/0x8c0
[  443.905206]  ? do_raw_spin_unlock+0xa7/0x330
[  443.909610]  fallback_alloc+0x204/0x2e0
[  443.913577]  ____cache_alloc_node+0x1c7/0x1e0
[  443.918062]  kmem_cache_alloc_node+0xe3/0x730
[  443.922546]  ? ipv6_get_ifaddr+0x42e/0x620
[  443.926775]  __alloc_skb+0x119/0x770
[  443.930564]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  443.935830]  ? netdev_alloc_frag+0x1f0/0x1f0
[  443.940225]  ? lock_downgrade+0x900/0x900
[  443.944364]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.949914]  ? refcount_sub_and_test_checked+0x203/0x310
[  443.955356]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  443.960810]  ? addrconf_rs_timer+0x690/0x690
[  443.965214]  ndisc_alloc_skb+0x144/0x340
[  443.969267]  ndisc_send_rs+0x331/0x6e0
[  443.973149]  addrconf_rs_timer+0x314/0x690
[  443.977489]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  443.981724]  call_timer_fn+0x272/0x920
[  443.985597]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  443.989904]  ? process_timeout+0x40/0x40
[  443.993960]  ? __run_timers+0x7da/0xc70
[  443.997929]  ? _raw_spin_unlock_irq+0x27/0x80
[  444.002409]  ? _raw_spin_unlock_irq+0x27/0x80
[  444.006895]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  444.011117]  ? lockdep_hardirqs_on+0x296/0x5b0
[  444.015688]  ? trace_hardirqs_on+0xbd/0x310
[  444.020004]  ? kasan_check_read+0x11/0x20
[  444.024146]  ? __run_timers+0x7da/0xc70
[  444.028108]  ? trace_hardirqs_off_caller+0x310/0x310
[  444.033206]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  444.037425]  __run_timers+0x7e5/0xc70
[  444.041218]  ? timer_fixup_init+0x70/0x70
[  444.045370]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  444.050372]  ? zap_class+0x640/0x640
[  444.054075]  ? enqueue_hrtimer+0x1a5/0x560
[  444.058295]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  444.063477]  ? find_held_lock+0x36/0x1c0
[  444.067528]  ? zap_class+0x640/0x640
[  444.071231]  ? pvclock_read_flags+0x160/0x160
[  444.075713]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.081237]  ? check_preemption_disabled+0x48/0x280
[  444.086249]  ? __lock_is_held+0xb5/0x140
[  444.090299]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.095824]  ? check_preemption_disabled+0x48/0x280
[  444.100840]  run_timer_softirq+0x52/0xb0
[  444.104920]  ? rcu_read_lock_sched_held+0x14f/0x180
[  444.109935]  __do_softirq+0x308/0xb7e
[  444.113727]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  444.118206]  ? lock_downgrade+0x900/0x900
[  444.122342]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  444.127435]  ? pvclock_read_flags+0x160/0x160
[  444.131920]  ? lapic_next_event+0x5a/0x90
[  444.136067]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.141593]  ? kvm_clock_read+0x18/0x30
[  444.145551]  ? kvm_sched_clock_read+0x9/0x20
[  444.149953]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.155482]  ? check_preemption_disabled+0x48/0x280
[  444.160492]  irq_exit+0x17f/0x1c0
[  444.163935]  smp_apic_timer_interrupt+0x1cb/0x760
[  444.168765]  ? smp_reschedule_interrupt+0x109/0x650
[  444.173771]  ? smp_call_function_single_interrupt+0x650/0x650
[  444.179661]  ? interrupt_entry+0xb5/0xc0
[  444.183709]  ? trace_hardirqs_off_caller+0xbb/0x310
[  444.188715]  ? trace_hardirqs_off_caller+0xbb/0x310
[  444.193722]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  444.198552]  ? trace_hardirqs_on_caller+0x310/0x310
[  444.203552]  ? trace_hardirqs_on_caller+0x310/0x310
[  444.208555]  ? task_prio+0x50/0x50
[  444.212084]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.217611]  ? check_preemption_disabled+0x48/0x280
[  444.222623]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  444.227461]  apic_timer_interrupt+0xf/0x20
[  444.231677]  </IRQ>
[  444.233901] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  444.239772] Code: 3e 7e 0f 85 32 ff ff ff e8 03 6a 3d ff e9 28 ff ff ff e8 4a 99 c2 ff 48 83 3d c2 ed 8e 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 ca 05
[  444.258658] RSP: 0018:ffff888198b071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  444.266353] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  444.273622] RDX: 0000000000000000 RSI: ffff8881bbc289c0 RDI: 0000000000000286
[  444.280878] RBP: ffff888198b07250 R08: ffff8881bbc28140 R09: 0000000000000000
[  444.288130] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800940
[  444.295385] R13: ffff8881da800940 R14: 0000000000000000 R15: 0000000000000286
[  444.302671]  ? save_stack+0xa9/0xd0
[  444.306294]  __kmalloc_node_track_caller+0x3c/0x70
[  444.311389]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  444.316138]  pskb_expand_head+0x230/0x10f0
[  444.320369]  ? memcpy+0x45/0x50
[  444.323640]  ? __copy_skb_header+0x350/0x6b0
[  444.328037]  ? skb_release_data+0x9a0/0x9a0
[  444.332345]  ? __alloc_skb+0x770/0x770
[  444.336227]  ? __lock_is_held+0xb5/0x140
[  444.340278]  ? kasan_check_write+0x14/0x20
[  444.344500]  ? __skb_clone+0x6c7/0xa00
[  444.348374]  ? __copy_skb_header+0x6b0/0x6b0
[  444.352766]  ? kmem_cache_alloc+0x33a/0x730
[  444.357191]  skb_ensure_writable+0x3dd/0x640
[  444.361677]  ? skb_checksum_setup+0xaa0/0xaa0
[  444.366162]  ? check_preemption_disabled+0x48/0x280
[  444.371169]  ? __this_cpu_preempt_check+0x1c/0x20
[  444.376002]  ? __bpf_redirect+0x55b/0xb60
[  444.380143]  bpf_clone_redirect+0x14a/0x490
[  444.384460]  bpf_prog_88483476fbe68a28+0x6f0/0x1000
[  444.389465]  ? __sched_text_start+0x8/0x8
[  444.393615]  ? find_held_lock+0x36/0x1c0
[  444.397667]  ? lock_acquire+0x1ed/0x520
[  444.401628]  ? bpf_test_run+0x3ee/0x7a0
[  444.405589]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.411122]  ? check_preemption_disabled+0x48/0x280
[  444.416216]  ? kasan_check_read+0x11/0x20
[  444.420350]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  444.425614]  ? rcu_softirq_qs+0x20/0x20
[  444.429578]  ? preempt_schedule+0x4d/0x60
[  444.433726]  ? ___preempt_schedule+0x16/0x18
[  444.438131]  ? bpf_test_run+0x271/0x7a0
[  444.442099]  ? netlink_diag_dump+0x2a0/0x2a0
[  444.446496]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  444.452019]  ? bpf_test_init.isra.10+0x70/0x100
[  444.456679]  ? bpf_prog_test_run_skb+0x762/0xd90
[  444.461429]  ? bpf_test_finish.isra.9+0x260/0x260
[  444.466277]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  444.471802]  ? fput+0x130/0x1a0
[  444.475074]  ? __bpf_prog_get+0x9b/0x290
[  444.479617]  ? bpf_test_finish.isra.9+0x260/0x260
[  444.484448]  ? __do_sys_bpf+0x1898/0x4570
[  444.488585]  ? bpf_prog_load+0x1db0/0x1db0
[  444.492818]  ? find_held_lock+0x36/0x1c0
[  444.496877]  ? __might_fault+0x12b/0x1e0
[  444.500927]  ? lock_downgrade+0x900/0x900
[  444.505063]  ? lock_release+0xa00/0xa00
[  444.509026]  ? perf_trace_sched_process_exec+0x860/0x860
[  444.514467]  ? posix_ktime_get_ts+0x15/0x20
[  444.518776]  ? trace_hardirqs_off_caller+0x310/0x310
[  444.523882]  ? kasan_check_read+0x11/0x20
[  444.528017]  ? _copy_to_user+0xc8/0x110
[  444.531981]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  444.537506]  ? put_timespec64+0x10f/0x1b0
[  444.541642]  ? nsecs_to_jiffies+0x30/0x30
[  444.545785]  ? trace_hardirqs_off_caller+0x310/0x310
[  444.550880]  ? __x64_sys_bpf+0x73/0xb0
[  444.554757]  ? do_syscall_64+0x1b9/0x820
[  444.558805]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  444.564177]  ? syscall_return_slowpath+0x5e0/0x5e0
[  444.569092]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  444.573923]  ? trace_hardirqs_on_caller+0x310/0x310
[  444.578931]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  444.583939]  ? prepare_exit_to_usermode+0x291/0x3b0
[  444.588947]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  444.593790]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  444.599157] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #181
[  444.599230] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  444.605986] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  444.605991] Call Trace:
[  444.606007]  dump_stack+0x244/0x39d
[  444.606023]  ? dump_stack_print_info.cold.1+0x20/0x20
[  444.612532] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  444.621820]  warn_alloc.cold.116+0xb7/0x1bd
[  444.624364] syz-executor0 cpuset=syz0 mems_allowed=0
[  444.627977]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  444.657804]  ? lock_downgrade+0x900/0x900
[  444.661949]  ? trace_hardirqs_off+0xb8/0x310
[  444.666356]  ? trace_hardirqs_off+0xb8/0x310
[  444.670756]  __alloc_pages_slowpath+0x2651/0x2de0
[  444.675610]  ? warn_alloc+0x120/0x120
[  444.679406]  ? warn_alloc+0x120/0x120
[  444.683196]  ? warn_alloc+0x120/0x120
[  444.686986]  ? print_usage_bug+0xc0/0xc0
[  444.691037]  ? print_usage_bug+0xc0/0xc0
[  444.695094]  ? find_held_lock+0x36/0x1c0
[  444.699142]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  444.704666]  ? should_fail+0x22d/0xd01
[  444.708543]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  444.713631]  ? __lock_acquire+0x62f/0x4c20
[  444.717856]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  444.722967]  ? should_fail+0x22d/0xd01
[  444.726848]  ? trace_hardirqs_off+0xb8/0x310
[  444.731252]  ? mark_held_locks+0x130/0x130
[  444.735474]  ? mark_held_locks+0x130/0x130
[  444.739692]  ? print_usage_bug+0xc0/0xc0
[  444.743755]  ? zap_class+0x640/0x640
[  444.747472]  ? ret_from_fork+0x3a/0x50
[  444.751349]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.756874]  ? check_preemption_disabled+0x48/0x280
[  444.761883]  ? __lock_is_held+0xb5/0x140
[  444.765934]  __alloc_pages_nodemask+0xad8/0xea0
[  444.770586]  ? zap_class+0x640/0x640
[  444.774292]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  444.779315]  ? find_held_lock+0x36/0x1c0
[  444.783369]  ? ____cache_alloc_node+0x1c7/0x1e0
[  444.788028]  ? lock_downgrade+0x900/0x900
[  444.792169]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.797695]  cache_grow_begin+0xa5/0x8c0
[  444.801743]  ? do_raw_spin_unlock+0xa7/0x330
[  444.806144]  fallback_alloc+0x204/0x2e0
[  444.810108]  ____cache_alloc_node+0x1c7/0x1e0
[  444.814594]  kmem_cache_alloc_node+0xe3/0x730
[  444.819088]  ? mark_held_locks+0xc7/0x130
[  444.823233]  __alloc_skb+0x119/0x770
[  444.826939]  ? netdev_alloc_frag+0x1f0/0x1f0
[  444.831349]  ? do_raw_spin_trylock+0x270/0x270
[  444.835920]  ? kmem_cache_alloc_trace+0x353/0x750
[  444.840761]  ? queue_work_on+0x12c/0x1e0
[  444.844809]  ? switchdev_port_obj_del+0xe3/0x450
[  444.849554]  ? switchdev_trans_item_enqueue+0x260/0x260
[  444.854903]  ? mark_held_locks+0x130/0x130
[  444.859125]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  444.864219]  __br_mdb_notify+0x4ff/0x15d0
[  444.868359]  ? __br_mdb_add+0x730/0x730
[  444.872317]  ? __lock_acquire+0x62f/0x4c20
[  444.876552]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.882080]  ? check_preemption_disabled+0x48/0x280
[  444.887099]  ? br_multicast_group_expired+0xaf/0x4b0
[  444.892192]  ? lock_downgrade+0x900/0x900
[  444.896334]  br_mdb_notify+0x310/0x410
[  444.900207]  ? br_mdb_dump+0x25e0/0x25e0
[  444.904268]  br_multicast_group_expired+0x1eb/0x4b0
[  444.909269]  ? check_preemption_disabled+0x48/0x280
[  444.914274]  ? __rhashtable_remove_fast.constprop.41+0xe20/0xe20
[  444.920409]  ? __lock_is_held+0xb5/0x140
[  444.924467]  call_timer_fn+0x272/0x920
[  444.928344]  ? __rhashtable_remove_fast.constprop.41+0xe20/0xe20
[  444.934478]  ? process_timeout+0x40/0x40
[  444.938533]  ? __run_timers+0x7da/0xc70
[  444.942502]  ? _raw_spin_unlock_irq+0x27/0x80
[  444.946984]  ? _raw_spin_unlock_irq+0x27/0x80
[  444.951466]  ? __rhashtable_remove_fast.constprop.41+0xe20/0xe20
[  444.957601]  ? lockdep_hardirqs_on+0x296/0x5b0
[  444.962178]  ? trace_hardirqs_on+0xbd/0x310
[  444.966486]  ? kasan_check_read+0x11/0x20
[  444.970619]  ? __run_timers+0x7da/0xc70
[  444.974583]  ? trace_hardirqs_off_caller+0x310/0x310
[  444.979675]  ? __rhashtable_remove_fast.constprop.41+0xe20/0xe20
[  444.985820]  ? __rhashtable_remove_fast.constprop.41+0xe20/0xe20
[  444.991950]  __run_timers+0x7e5/0xc70
[  444.995747]  ? timer_fixup_init+0x70/0x70
[  444.999892]  ? _raw_spin_unlock_irq+0x27/0x80
[  445.004472]  ? _raw_spin_unlock_irq+0x27/0x80
[  445.008961]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  445.013533]  ? trace_hardirqs_on+0xbd/0x310
[  445.017840]  ? kasan_check_read+0x11/0x20
[  445.021974]  ? finish_task_switch+0x1f4/0x910
[  445.026456]  ? trace_hardirqs_off_caller+0x310/0x310
[  445.031648]  ? compat_start_thread+0x80/0x80
[  445.036065]  ? pvclock_read_flags+0x160/0x160
[  445.040546]  ? __switch_to_asm+0x34/0x70
[  445.044595]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.050122]  ? check_preemption_disabled+0x48/0x280
[  445.055144]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  445.060668]  ? rcu_pm_notify+0xc0/0xc0
[  445.064544]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.070076]  ? check_preemption_disabled+0x48/0x280
[  445.075088]  run_timer_softirq+0x52/0xb0
[  445.079136]  ? rcu_read_lock_sched_held+0x14f/0x180
[  445.084140]  __do_softirq+0x308/0xb7e
[  445.087929]  ? retint_kernel+0x2d/0x2d
[  445.091813]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  445.096908]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  445.102342]  ? rcu_irq_enter+0x18c/0x310
[  445.106409]  ? schedule+0x108/0x460
[  445.110024]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  445.114777]  ? trace_hardirqs_off+0xb8/0x310
[  445.119175]  ? smpboot_thread_fn+0x68b/0xa00
[  445.123567]  ? trace_hardirqs_on+0x310/0x310
[  445.127965]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  445.133494]  ? check_preemption_disabled+0x48/0x280
[  445.138499]  ? takeover_tasklets+0xa90/0xa90
[  445.142902]  run_ksoftirqd+0x5e/0x100
[  445.146686]  smpboot_thread_fn+0x68b/0xa00
[  445.150907]  ? sort_range+0x30/0x30
[  445.154522]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  445.159609]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  445.165134]  ? __kthread_parkme+0xfb/0x1a0
[  445.169356]  ? sort_range+0x30/0x30
[  445.172970]  kthread+0x35a/0x440
[  445.176323]  ? kthread_stop+0x900/0x900
[  445.180288]  ret_from_fork+0x3a/0x50
[  445.184003] CPU: 1 PID: 16176 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #181
[  445.184007] warn_alloc_show_mem: 1 callbacks suppressed
[  445.184012] Mem-Info:
[  445.191352] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  445.196706] active_anon:54949 inactive_anon:10067 isolated_anon:0
[  445.196706]  active_file:12 inactive_file:12 isolated_file:0
[  445.196706]  unevictable:0 dirty:0 writeback:0 unstable:0
[  445.196706]  slab_reclaimable:9454 slab_unreclaimable:1442611
[  445.196706]  mapped:40962 shmem:10230 pagetables:596 bounce:0
[  445.196706]  free:13765 free_pcp:525 free_cma:0
[  445.199071] Call Trace:
[  445.208433] Node 0 active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:40920kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 202752kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  445.241615]  <IRQ>
[  445.244173] 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
[  445.271997]  dump_stack+0x244/0x39d
[  445.274110] lowmem_reserve[]: 0 2818 6321 6321
[  445.300199]  ? dump_stack_print_info.cold.1+0x20/0x20
[  445.303796] Node 0 DMA32 free:25248kB 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:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  445.308364]  warn_alloc.cold.116+0xb7/0x1bd
[  445.313510] lowmem_reserve[]: 0 0 3503 3503
[  445.340813]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  445.345100] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:219796kB inactive_anon:40268kB active_file:48kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2384kB bounce:0kB free_pcp:1852kB local_pcp:1500kB free_cma:0kB
[  445.349407]  ? lock_downgrade+0x900/0x900
[  445.354214] lowmem_reserve[]: 0 0 0 0
[  445.383431]  ? trace_hardirqs_off+0xb8/0x310
[  445.387538] 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
[  445.391338]  ? trace_hardirqs_off+0xb8/0x310
[  445.395710] Node 0 DMA32: 4*4kB (UM) 0*8kB 3*16kB (UM) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25248kB
[  445.409221]  __alloc_pages_slowpath+0x2651/0x2de0
[  445.413595] Node 0 Normal: 1308*4kB (ME) 392*8kB (UME) 140*16kB (ME) 47*32kB (ME) 22*64kB (M) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  445.428507]  ? warn_alloc+0x120/0x120
[  445.433309] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  445.447939]  ? print_usage_bug+0xc0/0xc0
[  445.451719] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  445.460550]  ? warn_alloc+0x120/0x120
[  445.464579] 10254 total pagecache pages
[  445.473136]  ? warn_alloc+0x120/0x120
[  445.476916] 0 pages in swap cache
[  445.480869]  ? print_usage_bug+0xc0/0xc0
[  445.484640] Swap cache stats: add 0, delete 0, find 0/0
[  445.488072]  ? print_usage_bug+0xc0/0xc0
[  445.492187] Free swap  = 0kB
[  445.497537]  ? __lock_acquire+0x62f/0x4c20
[  445.501558] Total swap = 0kB
[  445.504558]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  445.508757] 1965979 pages RAM
[  445.511761]  ? should_fail+0x22d/0xd01
[  445.517267] 0 pages HighMem/MovableOnly
[  445.520354]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  445.524201] 342853 pages reserved
[  445.524207] 0 pages cma reserved
[  445.528167]  ? __lock_acquire+0x62f/0x4c20
[  445.533364] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  445.536667]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  445.539999] ksoftirqd/0 cpuset=/ mems_allowed=0
[  445.544211]  ? __lock_acquire+0x62f/0x4c20
[  445.544223]  ? should_fail+0x22d/0xd01
[  445.572288]  ? find_held_lock+0x36/0x1c0
[  445.576347]  ? mark_held_locks+0x130/0x130
[  445.580578]  ? mark_held_locks+0x130/0x130
[  445.584800]  ? zap_class+0x640/0x640
[  445.588504]  ? zap_class+0x640/0x640
[  445.592212]  ? print_usage_bug+0xc0/0xc0
[  445.596261]  ? do_raw_spin_unlock+0xa7/0x330
[  445.600668]  ? zap_class+0x640/0x640
[  445.604367]  ? print_usage_bug+0xc0/0xc0
[  445.608419]  ? wq_watchdog_touch+0x9c/0xfe
[  445.612644]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.618177]  ? check_preemption_disabled+0x48/0x280
[  445.623189]  ? __lock_is_held+0xb5/0x140
[  445.627240]  __alloc_pages_nodemask+0xad8/0xea0
[  445.631907]  ? zap_class+0x640/0x640
[  445.635611]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  445.640624]  ? find_held_lock+0x36/0x1c0
[  445.644706]  ? ____cache_alloc_node+0x1c7/0x1e0
[  445.649365]  ? lock_downgrade+0x900/0x900
[  445.653504]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.659033]  cache_grow_begin+0xa5/0x8c0
[  445.663081]  ? do_raw_spin_unlock+0xa7/0x330
[  445.667483]  fallback_alloc+0x204/0x2e0
[  445.671449]  ____cache_alloc_node+0x1c7/0x1e0
[  445.675935]  kmem_cache_alloc_node+0xe3/0x730
[  445.680419]  ? ipv6_get_ifaddr+0x42e/0x620
[  445.684651]  __alloc_skb+0x119/0x770
[  445.688443]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  445.693712]  ? netdev_alloc_frag+0x1f0/0x1f0
[  445.698106]  ? lock_downgrade+0x900/0x900
[  445.702246]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.707773]  ? refcount_sub_and_test_checked+0x203/0x310
[  445.713216]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  445.718652]  ? addrconf_rs_timer+0x690/0x690
[  445.723069]  ndisc_alloc_skb+0x144/0x340
[  445.727120]  ndisc_send_rs+0x331/0x6e0
[  445.731000]  addrconf_rs_timer+0x314/0x690
[  445.735229]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  445.739458]  call_timer_fn+0x272/0x920
[  445.743333]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  445.747552]  ? process_timeout+0x40/0x40
[  445.751603]  ? __run_timers+0x7da/0xc70
[  445.755585]  ? _raw_spin_unlock_irq+0x27/0x80
[  445.760066]  ? _raw_spin_unlock_irq+0x27/0x80
[  445.764546]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  445.768889]  ? lockdep_hardirqs_on+0x296/0x5b0
[  445.773460]  ? trace_hardirqs_on+0xbd/0x310
[  445.777781]  ? kasan_check_read+0x11/0x20
[  445.781916]  ? __run_timers+0x7da/0xc70
[  445.785878]  ? trace_hardirqs_off_caller+0x310/0x310
[  445.790971]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  445.795196]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  445.799420]  __run_timers+0x7e5/0xc70
[  445.803217]  ? timer_fixup_init+0x70/0x70
[  445.807353]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  445.812359]  ? zap_class+0x640/0x640
[  445.816065]  ? enqueue_hrtimer+0x1a5/0x560
[  445.820285]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  445.825464]  ? find_held_lock+0x36/0x1c0
[  445.829520]  ? zap_class+0x640/0x640
[  445.833228]  ? pvclock_read_flags+0x160/0x160
[  445.837709]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.843233]  ? check_preemption_disabled+0x48/0x280
[  445.848242]  ? __lock_is_held+0xb5/0x140
[  445.852292]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.857815]  ? check_preemption_disabled+0x48/0x280
[  445.862822]  run_timer_softirq+0x52/0xb0
[  445.866872]  ? rcu_read_lock_sched_held+0x14f/0x180
[  445.871874]  __do_softirq+0x308/0xb7e
[  445.875663]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  445.880148]  ? lock_downgrade+0x900/0x900
[  445.884289]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  445.889383]  ? pvclock_read_flags+0x160/0x160
[  445.893870]  ? lapic_next_event+0x5a/0x90
[  445.898004]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.903533]  ? kvm_clock_read+0x18/0x30
[  445.907491]  ? kvm_sched_clock_read+0x9/0x20
[  445.911892]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.917450]  ? check_preemption_disabled+0x48/0x280
[  445.922470]  irq_exit+0x17f/0x1c0
[  445.925916]  smp_apic_timer_interrupt+0x1cb/0x760
[  445.930832]  ? smp_reschedule_interrupt+0x109/0x650
[  445.935837]  ? smp_call_function_single_interrupt+0x650/0x650
[  445.941709]  ? interrupt_entry+0xb5/0xc0
[  445.945779]  ? trace_hardirqs_off_caller+0xbb/0x310
[  445.950784]  ? trace_hardirqs_off_caller+0xbb/0x310
[  445.955797]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  445.960626]  ? trace_hardirqs_on_caller+0x310/0x310
[  445.965626]  ? trace_hardirqs_on_caller+0x310/0x310
[  445.970628]  ? task_prio+0x50/0x50
[  445.974168]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.979691]  ? check_preemption_disabled+0x48/0x280
[  445.984704]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  445.989551]  apic_timer_interrupt+0xf/0x20
[  445.993769]  </IRQ>
[  445.995994] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740
[  446.001869] Code: 3e 7e 0f 85 32 ff ff ff e8 03 6a 3d ff e9 28 ff ff ff e8 4a 99 c2 ff 48 83 3d c2 ed 8e 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 ca 05
[  446.020758] RSP: 0018:ffff888198b071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  446.028448] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  446.035700] RDX: 0000000000000000 RSI: ffff8881bbc289c0 RDI: 0000000000000286
[  446.042962] RBP: ffff888198b07250 R08: ffff8881bbc28140 R09: 0000000000000000
[  446.050215] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881da800940
[  446.057597] R13: ffff8881da800940 R14: 0000000000000000 R15: 0000000000000286
[  446.064960]  ? save_stack+0xa9/0xd0
[  446.068584]  __kmalloc_node_track_caller+0x3c/0x70
[  446.073505]  __kmalloc_reserve.isra.40+0xcc/0xe0
[  446.078251]  pskb_expand_head+0x230/0x10f0
[  446.082495]  ? memcpy+0x45/0x50
[  446.085779]  ? __copy_skb_header+0x350/0x6b0
[  446.090177]  ? skb_release_data+0x9a0/0x9a0
[  446.094485]  ? __alloc_skb+0x770/0x770
[  446.098363]  ? __lock_is_held+0xb5/0x140
[  446.102419]  ? kasan_check_write+0x14/0x20
[  446.106645]  ? __skb_clone+0x6c7/0xa00
[  446.110524]  ? __copy_skb_header+0x6b0/0x6b0
[  446.114922]  ? kmem_cache_alloc+0x33a/0x730
[  446.119257]  skb_ensure_writable+0x3dd/0x640
[  446.123655]  ? skb_checksum_setup+0xaa0/0xaa0
[  446.128135]  ? check_preemption_disabled+0x48/0x280
[  446.133141]  ? __this_cpu_preempt_check+0x1c/0x20
[  446.137973]  ? __bpf_redirect+0x55b/0xb60
[  446.142118]  bpf_clone_redirect+0x14a/0x490
[  446.146435]  bpf_prog_88483476fbe68a28+0x6f0/0x1000
[  446.151551]  ? __sched_text_start+0x8/0x8
[  446.155694]  ? find_held_lock+0x36/0x1c0
[  446.159756]  ? lock_acquire+0x1ed/0x520
[  446.163727]  ? bpf_test_run+0x3ee/0x7a0
[  446.167691]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  446.173220]  ? check_preemption_disabled+0x48/0x280
[  446.178225]  ? kasan_check_read+0x11/0x20
[  446.182360]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  446.187627]  ? rcu_softirq_qs+0x20/0x20
[  446.191589]  ? preempt_schedule+0x4d/0x60
[  446.195731]  ? ___preempt_schedule+0x16/0x18
[  446.200134]  ? bpf_test_run+0x271/0x7a0
[  446.204107]  ? netlink_diag_dump+0x2a0/0x2a0
[  446.208505]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  446.214028]  ? bpf_test_init.isra.10+0x70/0x100
[  446.218686]  ? bpf_prog_test_run_skb+0x762/0xd90
[  446.223529]  ? bpf_test_finish.isra.9+0x260/0x260
[  446.228367]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  446.233895]  ? fput+0x130/0x1a0
[  446.237179]  ? __bpf_prog_get+0x9b/0x290
[  446.241233]  ? bpf_test_finish.isra.9+0x260/0x260
[  446.246062]  ? __do_sys_bpf+0x1898/0x4570
[  446.250199]  ? bpf_prog_load+0x1db0/0x1db0
[  446.254419]  ? find_held_lock+0x36/0x1c0
[  446.258479]  ? __might_fault+0x12b/0x1e0
[  446.262542]  ? lock_downgrade+0x900/0x900
[  446.266678]  ? lock_release+0xa00/0xa00
[  446.270637]  ? perf_trace_sched_process_exec+0x860/0x860
[  446.276071]  ? posix_ktime_get_ts+0x15/0x20
[  446.280382]  ? trace_hardirqs_off_caller+0x310/0x310
[  446.285499]  ? kasan_check_read+0x11/0x20
[  446.289631]  ? _copy_to_user+0xc8/0x110
[  446.293593]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  446.299115]  ? put_timespec64+0x10f/0x1b0
[  446.303264]  ? nsecs_to_jiffies+0x30/0x30
[  446.307407]  ? trace_hardirqs_off_caller+0x310/0x310
[  446.312673]  ? __x64_sys_bpf+0x73/0xb0
[  446.316549]  ? do_syscall_64+0x1b9/0x820
[  446.320597]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  446.325948]  ? syscall_return_slowpath+0x5e0/0x5e0
[  446.330864]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  446.335696]  ? trace_hardirqs_on_caller+0x310/0x310
[  446.340703]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  446.345716]  ? prepare_exit_to_usermode+0x291/0x3b0
[  446.350738]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  446.355581]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  446.360944] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #181
[  446.361011] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  446.367870] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  446.367875] Call Trace:
[  446.367892]  dump_stack+0x244/0x39d
[  446.367908]  ? dump_stack_print_info.cold.1+0x20/0x20
[  446.374474] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  446.383718]  warn_alloc.cold.116+0xb7/0x1bd
[  446.386261] syz-executor0 cpuset=syz0 mems_allowed=0
[  446.389869]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  446.419675]  ? lock_downgrade+0x900/0x900
[  446.423817]  ? trace_hardirqs_off+0xb8/0x310
[  446.428217]  ? trace_hardirqs_off+0xb8/0x310
[  446.432630]  __alloc_pages_slowpath+0x2651/0x2de0
[  446.437478]  ? warn_alloc+0x120/0x120
[  446.441356]  ? warn_alloc+0x120/0x120
[  446.445148]  ? warn_alloc+0x120/0x120
[  446.448935]  ? print_usage_bug+0xc0/0xc0
[  446.452988]  ? print_usage_bug+0xc0/0xc0
[  446.457051]  ? find_held_lock+0x36/0x1c0
[  446.461109]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  446.466636]  ? should_fail+0x22d/0xd01
[  446.470511]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  446.475599]  ? __lock_acquire+0x62f/0x4c20
[  446.479980]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  446.485070]  ? should_fail+0x22d/0xd01
[  446.488944]  ? trace_hardirqs_off+0xb8/0x310
[  446.493350]  ? mark_held_locks+0x130/0x130
[  446.497573]  ? mark_held_locks+0x130/0x130
[  446.502670]  ? print_usage_bug+0xc0/0xc0
[  446.506728]  ? zap_class+0x640/0x640
[  446.510435]  ? ret_from_fork+0x3a/0x50
[  446.514312]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  446.519851]  ? check_preemption_disabled+0x48/0x280
[  446.524859]  ? __lock_is_held+0xb5/0x140
[  446.528913]  __alloc_pages_nodemask+0xad8/0xea0
[  446.533567]  ? zap_class+0x640/0x640
[  446.537272]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  446.542280]  ? find_held_lock+0x36/0x1c0
[  446.546337]  ? ____cache_alloc_node+0x1c7/0x1e0
[  446.550993]  ? lock_downgrade+0x900/0x900
[  446.555133]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  446.560658]  cache_grow_begin+0xa5/0x8c0
[  446.564713]  ? do_raw_spin_unlock+0xa7/0x330
[  446.569113]  fallback_alloc+0x204/0x2e0
[  446.573080]  ____cache_alloc_node+0x1c7/0x1e0
[  446.577564]  kmem_cache_alloc_node+0xe3/0x730
[  446.582044]  ? mark_held_locks+0xc7/0x130
[  446.586186]  __alloc_skb+0x119/0x770
[  446.589890]  ? netdev_alloc_frag+0x1f0/0x1f0
[  446.594286]  ? do_raw_spin_trylock+0x270/0x270
[  446.598855]  ? kmem_cache_alloc_trace+0x353/0x750
[  446.603692]  ? queue_work_on+0x12c/0x1e0
[  446.607742]  ? switchdev_port_obj_del+0xe3/0x450
[  446.612482]  ? switchdev_trans_item_enqueue+0x260/0x260
[  446.617830]  ? mark_held_locks+0x130/0x130
[  446.622071]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  446.627080]  __br_mdb_notify+0x4ff/0x15d0
[  446.631231]  ? __br_mdb_add+0x730/0x730
[  446.635189]  ? __lock_acquire+0x62f/0x4c20
[  446.639413]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  446.644934]  ? check_preemption_disabled+0x48/0x280
[  446.649973]  ? br_multicast_group_expired+0xaf/0x4b0
[  446.655063]  ? lock_downgrade+0x900/0x900
[  446.659199]  br_mdb_notify+0x310/0x410
[  446.663073]  ? br_mdb_dump+0x25e0/0x25e0
[  446.667135]  br_multicast_group_expired+0x1eb/0x4b0
[  446.672139]  ? check_preemption_disabled+0x48/0x280
[  446.677160]  ? __rhashtable_remove_fast.constprop.41+0xe20/0xe20
[  446.683295]  ? __lock_is_held+0xb5/0x140
[  446.687362]  call_timer_fn+0x272/0x920
[  446.691237]  ? __rhashtable_remove_fast.constprop.41+0xe20/0xe20
[  446.697486]  ? process_timeout+0x40/0x40
[  446.701538]  ? __run_timers+0x7da/0xc70
[  446.705497]  ? _raw_spin_unlock_irq+0x27/0x80
[  446.709975]  ? _raw_spin_unlock_irq+0x27/0x80
[  446.714455]  ? __rhashtable_remove_fast.constprop.41+0xe20/0xe20
[  446.720586]  ? lockdep_hardirqs_on+0x296/0x5b0
[  446.725154]  ? trace_hardirqs_on+0xbd/0x310
[  446.729462]  ? kasan_check_read+0x11/0x20
[  446.733592]  ? __run_timers+0x7da/0xc70
[  446.737552]  ? trace_hardirqs_off_caller+0x310/0x310
[  446.742647]  ? __rhashtable_remove_fast.constprop.41+0xe20/0xe20
[  446.748782]  ? __rhashtable_remove_fast.constprop.41+0xe20/0xe20
[  446.754911]  __run_timers+0x7e5/0xc70
[  446.758715]  ? timer_fixup_init+0x70/0x70
[  446.762849]  ? _raw_spin_unlock_irq+0x27/0x80
[  446.767331]  ? _raw_spin_unlock_irq+0x27/0x80
[  446.771812]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  446.776379]  ? trace_hardirqs_on+0xbd/0x310
[  446.780692]  ? kasan_check_read+0x11/0x20
[  446.784830]  ? finish_task_switch+0x1f4/0x910
[  446.789318]  ? trace_hardirqs_off_caller+0x310/0x310
[  446.794405]  ? compat_start_thread+0x80/0x80
[  446.798816]  ? pvclock_read_flags+0x160/0x160
[  446.803316]  ? __switch_to_asm+0x34/0x70
[  446.807364]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  446.812890]  ? check_preemption_disabled+0x48/0x280
[  446.817905]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  446.823448]  ? rcu_pm_notify+0xc0/0xc0
[  446.827328]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  446.832962]  ? check_preemption_disabled+0x48/0x280
[  446.837970]  run_timer_softirq+0x52/0xb0
[  446.842021]  ? rcu_read_lock_sched_held+0x14f/0x180
[  446.847024]  __do_softirq+0x308/0xb7e
[  446.850811]  ? retint_kernel+0x2d/0x2d
[  446.854699]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  446.859803]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  446.865240]  ? rcu_irq_enter+0x18c/0x310
[  446.869294]  ? schedule+0x108/0x460
[  446.872907]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  446.877661]  ? trace_hardirqs_off+0xb8/0x310
[  446.882065]  ? smpboot_thread_fn+0x68b/0xa00
[  446.886462]  ? trace_hardirqs_on+0x310/0x310
[  446.890857]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  446.896383]  ? check_preemption_disabled+0x48/0x280
[  446.901387]  ? takeover_tasklets+0xa90/0xa90
[  446.905782]  run_ksoftirqd+0x5e/0x100
[  446.909567]  smpboot_thread_fn+0x68b/0xa00
[  446.913791]  ? sort_range+0x30/0x30
[  446.917404]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  446.922493]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  446.928020]  ? __kthread_parkme+0xfb/0x1a0
[  446.932248]  ? sort_range+0x30/0x30
[  446.935866]  kthread+0x35a/0x440
[  446.939220]  ? kthread_stop+0x900/0x900
[  446.943184]  ret_from_fork+0x3a/0x50
[  446.946900] warn_alloc_show_mem: 1 callbacks suppressed
[  446.946909] CPU: 1 PID: 16176 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #181
[  446.946910] Mem-Info:
[  446.946944] active_anon:54949 inactive_anon:10067 isolated_anon:0
[  446.946944]  active_file:12 inactive_file:12 isolated_file:0
[  446.946944]  unevictable:0 dirty:0 writeback:0 unstable:0
[  446.946944]  slab_reclaimable:9454 slab_unreclaimable:1442611
[  446.946944]  mapped:40962 shmem:10230 pagetables:596 bounce:0
[  446.946944]  free:13765 free_pcp:525 free_cma:0