95423]  ? interrupt_entry+0xb5/0xf0
[  475.499492]  ? trace_hardirqs_off_caller+0xbb/0x310
[  475.504512]  ? trace_hardirqs_off_caller+0xbb/0x310
[  475.509535]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  475.514382]  ? trace_hardirqs_on_caller+0x310/0x310
[  475.519396]  ? trace_hardirqs_on_caller+0x310/0x310
[  475.524414]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  475.529953]  ? check_preemption_disabled+0x48/0x200
[  475.534971]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  475.540525]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  475.545387]  apic_timer_interrupt+0xf/0x20
[  475.549616]  </IRQ>
[  475.551860] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  475.556791] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  475.575694] RSP: 0000:ffff8801866cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  475.583405] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  475.590685] RDX: 0000000000000000 RSI: ffff8801ce554f00 RDI: 0000000000000286
[  475.597951] RBP: ffff8801866cf7b0 R08: ffff8801ce554680 R09: 0000000000000000
[  475.605219] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  475.612489] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  475.619807]  skb_clone+0x1bb/0x500
[  475.623360]  ? finish_task_switch+0x2f5/0x900
[  475.627865]  ? skb_split+0x11e0/0x11e0
[  475.631763]  ? preempt_notifier_register+0x200/0x200
[  475.636866]  ? __switch_to_asm+0x34/0x70
[  475.640930]  ? __switch_to_asm+0x34/0x70
[  475.644991]  ? __switch_to_asm+0x40/0x70
[  475.649057]  ? __switch_to_asm+0x34/0x70
[  475.653128]  ? __switch_to_asm+0x40/0x70
[  475.657192]  ? __switch_to_asm+0x34/0x70
[  475.661253]  ? __switch_to_asm+0x40/0x70
[  475.665315]  ? __switch_to_asm+0x34/0x70
[  475.669417]  ? __switch_to_asm+0x34/0x70
[  475.673486]  ? __switch_to_asm+0x40/0x70
[  475.677546]  ? __switch_to_asm+0x34/0x70
[  475.681617]  bpf_clone_redirect+0xb9/0x490
[  475.685855]  ? __schedule+0x874/0x1ed0
[  475.689756]  bpf_prog_3d1649e183dc2cc1+0x379/0x1000
[  475.694785]  ? __sched_text_start+0x8/0x8
[  475.698940]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  475.703709]  ? find_held_lock+0x36/0x1c0
[  475.707782]  ? lock_acquire+0x1ed/0x520
[  475.711760]  ? bpf_test_run+0x32e/0x5a0
[  475.715740]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  475.721282]  ? check_preemption_disabled+0x48/0x200
[  475.726307]  ? kasan_check_read+0x11/0x20
[  475.730471]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  475.735750]  ? rcu_bh_qs+0xc0/0xc0
[  475.739292]  ? preempt_schedule+0x4d/0x60
[  475.743447]  ? ___preempt_schedule+0x16/0x18
[  475.747871]  ? bpf_test_run+0x1c0/0x5a0
[  475.751861]  ? netlink_diag_dump+0x2a0/0x2a0
[  475.756275]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  475.761818]  ? bpf_test_init.isra.9+0x70/0x100
[  475.766413]  ? bpf_prog_test_run_skb+0x634/0xb40
[  475.771182]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  475.776029]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  475.781566]  ? fput+0x130/0x1a0
[  475.784850]  ? __bpf_prog_get+0x9b/0x290
[  475.788921]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  475.793768]  ? bpf_prog_test_run+0x130/0x1a0
[  475.798186]  ? __x64_sys_bpf+0x3d8/0x510
[  475.802249]  ? bpf_prog_get+0x20/0x20
[  475.806072]  ? do_syscall_64+0x1b9/0x820
[  475.810146]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  475.815513]  ? syscall_return_slowpath+0x5e0/0x5e0
[  475.820452]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  475.825304]  ? trace_hardirqs_on_caller+0x310/0x310
[  475.830332]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  475.835375]  ? prepare_exit_to_usermode+0x291/0x3b0
[  475.840404]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  475.845262]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  475.850650] CPU: 0 PID: 11399 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  475.850722] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  475.858010] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  475.858015] Call Trace:
[  475.858022]  <IRQ>
[  475.858040]  dump_stack+0x1c4/0x2b4
[  475.858062]  ? dump_stack_print_info.cold.2+0x52/0x52
[  475.864718] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  475.873906]  warn_alloc.cold.119+0xb7/0x1bd
[  475.876462] syz-executor4 cpuset=
[  475.878614]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  475.882212] syz4
[  475.887397]  ? lock_downgrade+0x900/0x900
[  475.897862]  mems_allowed=0
[  475.902182]  ? trace_hardirqs_off+0xb8/0x310
[  475.923863]  ? trace_hardirqs_off+0xb8/0x310
[  475.928288]  __alloc_pages_slowpath+0x2667/0x2d80
[  475.933164]  ? warn_alloc+0x120/0x120
[  475.936971]  ? trace_hardirqs_on+0x310/0x310
[  475.941388]  ? warn_alloc+0x120/0x120
[  475.945196]  ? print_usage_bug+0xc0/0xc0
[  475.949264]  ? warn_alloc+0x120/0x120
[  475.953065]  ? ktime_get+0x2e1/0x440
[  475.956783]  ? print_usage_bug+0xc0/0xc0
[  475.960849]  ? __lock_acquire+0x7ec/0x4ec0
[  475.965086]  ? __lock_acquire+0x7ec/0x4ec0
[  475.969327]  ? kasan_check_read+0x11/0x20
[  475.973491]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  475.979036]  ? should_fail+0x22d/0xd01
[  475.982927]  ? rcu_bh_qs+0xc0/0xc0
[  475.986478]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  475.991598]  ? __lock_acquire+0x7ec/0x4ec0
[  475.995844]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  476.000949]  ? __lock_acquire+0x7ec/0x4ec0
[  476.005184]  ? should_fail+0x22d/0xd01
[  476.009080]  ? rcu_idle_enter+0x4b0/0x4b0
[  476.013250]  ? mark_held_locks+0x130/0x130
[  476.017496]  ? mark_held_locks+0x130/0x130
[  476.021738]  ? mark_held_locks+0xc7/0x130
[  476.025890]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  476.030906]  ? graph_lock+0x170/0x170
[  476.034709]  ? print_usage_bug+0xc0/0xc0
[  476.038778]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  476.044315]  ? check_preemption_disabled+0x48/0x200
[  476.049350]  ? check_preemption_disabled+0x48/0x200
[  476.054387]  ? __lock_is_held+0xb5/0x140
[  476.058458]  __alloc_pages_nodemask+0xa80/0xde0
[  476.063133]  ? graph_lock+0x170/0x170
[  476.066940]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  476.071954]  ? graph_lock+0x170/0x170
[  476.075769]  ? find_held_lock+0x36/0x1c0
[  476.079845]  ? ____cache_alloc_node+0x1c7/0x1e0
[  476.084515]  ? lock_downgrade+0x900/0x900
[  476.088673]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  476.094220]  cache_grow_begin+0x91/0x8c0
[  476.098283]  ? do_raw_spin_unlock+0xa7/0x2f0
[  476.102703]  fallback_alloc+0x203/0x2e0
[  476.106860]  ____cache_alloc_node+0x1c7/0x1e0
[  476.111370]  kmem_cache_alloc_node+0xe3/0x730
[  476.115871]  ? ipv6_get_ifaddr+0x42e/0x620
[  476.120121]  __alloc_skb+0x119/0x770
[  476.123859]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  476.129148]  ? skb_scrub_packet+0x490/0x490
[  476.133476]  ? lock_downgrade+0x900/0x900
[  476.137635]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  476.143181]  ? refcount_sub_and_test_checked+0x203/0x310
[  476.148641]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  476.154094]  ? addrconf_rs_timer+0x6f0/0x6f0
[  476.158524]  ndisc_alloc_skb+0x144/0x340
[  476.162592]  ndisc_send_rs+0x331/0x6e0
[  476.166497]  addrconf_rs_timer+0x3c0/0x6f0
[  476.170739]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  476.174991]  call_timer_fn+0x272/0x920
[  476.178881]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  476.183127]  ? process_timeout+0x40/0x40
[  476.187189]  ? find_held_lock+0x36/0x1c0
[  476.191262]  ? __run_timers+0x7da/0xc70
[  476.195245]  ? _raw_spin_unlock_irq+0x27/0x80
[  476.199740]  ? _raw_spin_unlock_irq+0x27/0x80
[  476.204235]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  476.208476]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  476.213063]  ? trace_hardirqs_on+0xbd/0x310
[  476.217384]  ? kasan_check_read+0x11/0x20
[  476.221533]  ? __run_timers+0x7da/0xc70
[  476.225512]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  476.230971]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  476.235304]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  476.239550]  __run_timers+0x7e5/0xc70
[  476.243394]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  476.248769]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  476.253788]  ? graph_lock+0x170/0x170
[  476.257597]  ? enqueue_hrtimer+0x1a5/0x560
[  476.261839]  ? lock_release+0x970/0x970
[  476.265816]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  476.271013]  ? find_held_lock+0x36/0x1c0
[  476.275082]  ? graph_lock+0x170/0x170
[  476.278887]  ? pvclock_read_flags+0x160/0x160
[  476.283388]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  476.288929]  ? check_preemption_disabled+0x48/0x200
[  476.293958]  ? __lock_is_held+0xb5/0x140
[  476.298023]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  476.303563]  ? check_preemption_disabled+0x48/0x200
[  476.308595]  run_timer_softirq+0x52/0xb0
[  476.312668]  ? rcu_read_lock_sched_held+0x108/0x120
[  476.317685]  __do_softirq+0x30b/0xad8
[  476.321497]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  476.326615]  ? pvclock_read_flags+0x160/0x160
[  476.331113]  ? lapic_next_event+0x5a/0x90
[  476.335265]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  476.340806]  ? check_preemption_disabled+0x48/0x200
[  476.345822]  ? check_preemption_disabled+0x48/0x200
[  476.350845]  ? kvm_clock_read+0x18/0x30
[  476.354824]  ? kvm_sched_clock_read+0x9/0x20
[  476.359236]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  476.364774]  ? check_preemption_disabled+0x48/0x200
[  476.370035]  irq_exit+0x17f/0x1c0
[  476.373504]  smp_apic_timer_interrupt+0x1cb/0x760
[  476.378356]  ? smp_reschedule_interrupt+0x109/0x650
[  476.383392]  ? smp_call_function_single_interrupt+0x650/0x650
[  476.389287]  ? interrupt_entry+0xb5/0xf0
[  476.393363]  ? trace_hardirqs_off_caller+0xbb/0x310
[  476.398383]  ? trace_hardirqs_off_caller+0xbb/0x310
[  476.403404]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  476.408250]  ? trace_hardirqs_on_caller+0x310/0x310
[  476.413265]  ? trace_hardirqs_on_caller+0x310/0x310
[  476.418284]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  476.423824]  ? check_preemption_disabled+0x48/0x200
[  476.428843]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  476.434389]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  476.439272]  apic_timer_interrupt+0xf/0x20
[  476.443501]  </IRQ>
[  476.445743] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  476.450674] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  476.469574] RSP: 0000:ffff8801ba62f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  476.477292] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  476.484563] RDX: 0000000000000000 RSI: ffff8801b881aa80 RDI: 0000000000000286
[  476.491834] RBP: ffff8801ba62f7b0 R08: ffff8801b881a200 R09: 0000000000000000
[  476.499291] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  476.506562] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  476.513877]  skb_clone+0x1bb/0x500
[  476.517426]  ? finish_task_switch+0x1b5/0x900
[  476.522136]  ? skb_split+0x11e0/0x11e0
[  476.526028]  ? preempt_notifier_register+0x200/0x200
[  476.531133]  ? __switch_to_asm+0x34/0x70
[  476.535200]  ? __switch_to_asm+0x34/0x70
[  476.539260]  ? __switch_to_asm+0x40/0x70
[  476.543321]  ? __switch_to_asm+0x34/0x70
[  476.547395]  ? __switch_to_asm+0x40/0x70
[  476.551457]  ? __switch_to_asm+0x34/0x70
[  476.555520]  ? __switch_to_asm+0x40/0x70
[  476.559583]  ? __switch_to_asm+0x34/0x70
[  476.563656]  ? __switch_to_asm+0x34/0x70
[  476.567722]  ? __switch_to_asm+0x40/0x70
[  476.571788]  ? __switch_to_asm+0x34/0x70
[  476.575860]  bpf_clone_redirect+0xb9/0x490
[  476.580096]  ? __schedule+0x874/0x1ed0
[  476.583993]  bpf_prog_3d1649e183dc2cc1+0xcce/0x1000
[  476.589018]  ? __sched_text_start+0x8/0x8
[  476.593178]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  476.597951]  ? find_held_lock+0x36/0x1c0
[  476.602023]  ? lock_acquire+0x1ed/0x520
[  476.606020]  ? bpf_test_run+0x32e/0x5a0
[  476.609997]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  476.615544]  ? check_preemption_disabled+0x48/0x200
[  476.620570]  ? kasan_check_read+0x11/0x20
[  476.624730]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  476.630011]  ? rcu_bh_qs+0xc0/0xc0
[  476.633559]  ? preempt_schedule+0x4d/0x60
[  476.637711]  ? ___preempt_schedule+0x16/0x18
[  476.642129]  ? bpf_test_run+0x1c0/0x5a0
[  476.646161]  ? netlink_diag_dump+0x2a0/0x2a0
[  476.650577]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  476.656121]  ? bpf_test_init.isra.9+0x70/0x100
[  476.660711]  ? bpf_prog_test_run_skb+0x634/0xb40
[  476.665478]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  476.670320]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  476.675868]  ? fput+0x130/0x1a0
[  476.679153]  ? __bpf_prog_get+0x9b/0x290
[  476.683224]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  476.688069]  ? bpf_prog_test_run+0x130/0x1a0
[  476.692484]  ? __x64_sys_bpf+0x3d8/0x510
[  476.696552]  ? bpf_prog_get+0x20/0x20
[  476.700397]  ? do_syscall_64+0x1b9/0x820
[  476.704464]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  476.709834]  ? syscall_return_slowpath+0x5e0/0x5e0
[  476.714769]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  476.719620]  ? trace_hardirqs_on_caller+0x310/0x310
[  476.724639]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  476.729661]  ? prepare_exit_to_usermode+0x291/0x3b0
[  476.734686]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  476.739544]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  476.744934] CPU: 1 PID: 11390 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  476.744940] warn_alloc_show_mem: 1 callbacks suppressed
[  476.744947] Mem-Info:
[  476.752312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  476.757681] active_anon:122480 inactive_anon:112 isolated_anon:0
[  476.757681]  active_file:16 inactive_file:5 isolated_file:0
[  476.757681]  unevictable:0 dirty:0 writeback:0 unstable:0
[  476.757681]  slab_reclaimable:9164 slab_unreclaimable:1399977
[  476.757681]  mapped:40962 shmem:118 pagetables:796 bounce:0
[  476.757681]  free:13728 free_pcp:0 free_cma:0
[  476.760065] Call Trace:
[  476.769452] Node 0 active_anon:489920kB inactive_anon:448kB active_file:64kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:472kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 471040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  476.802127]  <IRQ>
[  476.804700] Node 0 
[  476.832211]  dump_stack+0x1c4/0x2b4
[  476.834371] 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
[  476.836576]  ? dump_stack_print_info.cold.2+0x52/0x52
[  476.840179] lowmem_reserve[]:
[  476.865691]  warn_alloc.cold.119+0xb7/0x1bd
[  476.870843]  0
[  476.873946]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  476.878239]  2813
[  476.880037]  ? lock_downgrade+0x900/0x900
[  476.884849]  6317 6317
[  476.886920]  ? trace_hardirqs_off+0xb8/0x310
[  476.893539]  ? trace_hardirqs_off+0xb8/0x310
[  476.897919] Node 0 DMA32 free:25276kB min:30028kB low:37532kB high:45036kB active_anon:12288kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2884608kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  476.902373]  __alloc_pages_slowpath+0x2667/0x2d80
[  476.902416]  ? warn_alloc+0x120/0x120
[  476.929874] lowmem_reserve[]: 0
[  476.934722]  ? lock_release+0x970/0x970
[  476.938495]  0
[  476.941773]  ? warn_alloc+0x120/0x120
[  476.945725]  3503
[  476.947523]  ? print_usage_bug+0xc0/0xc0
[  476.951291]  3503
[  476.953367]  ? warn_alloc+0x120/0x120
[  476.957403] Node 0 
[  476.959462]  ? print_usage_bug+0xc0/0xc0
[  476.963278] Normal free:13728kB min:37384kB low:46728kB high:56072kB active_anon:477632kB inactive_anon:448kB active_file:64kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3587276kB mlocked:0kB kernel_stack:5408kB pagetables:3184kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  476.965485]  ? __lock_acquire+0x7ec/0x4ec0
[  476.969563] lowmem_reserve[]: 0
[  476.997589]  ? __lock_acquire+0x7ec/0x4ec0
[  477.001805]  0
[  477.005085]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  477.009286]  0 0
[  477.011097]  ? should_fail+0x22d/0xd01
[  477.018579]  ? __lock_acquire+0x7ec/0x4ec0
[  477.022441] Node 0 DMA: 
[  477.026674]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  477.026691]  ? __lock_acquire+0x7ec/0x4ec0
[  477.029354] 1*4kB 
[  477.034457]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  477.038668] (U) 
[  477.040814]  ? __lock_acquire+0x7ec/0x4ec0
[  477.045905] 0*8kB 
[  477.047876]  ? should_fail+0x22d/0xd01
[  477.052101] 0*16kB 
[  477.054259]  ? mark_held_locks+0x130/0x130
[  477.058138] 1*32kB 
[  477.060376]  ? mark_held_locks+0x130/0x130
[  477.064585] (U) 
[  477.066826]  ? graph_lock+0x170/0x170
[  477.071032] 2*64kB 
[  477.073003]  ? print_usage_bug+0xc0/0xc0
[  477.076779] (U) 
[  477.079013]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  477.083047] 1*128kB 
[  477.085019]  ? check_preemption_disabled+0x48/0x200
[  477.090534] (U) 
[  477.092851]  ? check_preemption_disabled+0x48/0x200
[  477.097844] 1*256kB 
[  477.099862]  ? __lock_is_held+0xb5/0x140
[  477.104849] (U) 
[  477.107182]  __alloc_pages_nodemask+0xa80/0xde0
[  477.111231] 0*512kB 
[  477.113203]  ? graph_lock+0x170/0x170
[  477.117848] 1*1024kB 
[  477.120166]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  477.123939] (U) 
[  477.126353]  ? graph_lock+0x170/0x170
[  477.131355] 1*2048kB 
[  477.133353]  ? find_held_lock+0x36/0x1c0
[  477.137122] (M) 
[  477.139536]  ? ____cache_alloc_node+0x1c7/0x1e0
[  477.143567] 3*4096kB 
[  477.145542]  ? lock_downgrade+0x900/0x900
[  477.150191] (M) 
[  477.152606]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  477.156732] = 15908kB
[  477.158738]  cache_grow_begin+0x91/0x8c0
[  477.164248] Node 0 
[  477.166655]  ? do_raw_spin_unlock+0xa7/0x2f0
[  477.170697] DMA32: 
[  477.172935]  fallback_alloc+0x203/0x2e0
[  477.177315] 5*4kB 
[  477.179552]  ____cache_alloc_node+0x1c7/0x1e0
[  477.183500] (UM) 
[  477.185647]  kmem_cache_alloc_node+0xe3/0x730
[  477.190121] 1*8kB 
[  477.192180]  ? ipv6_get_ifaddr+0x42e/0x620
[  477.196648] (U) 
[  477.198805]  __alloc_skb+0x119/0x770
[  477.203008] 4*16kB 
[  477.204981]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  477.208672] (UM) 
[  477.210909]  ? skb_scrub_packet+0x490/0x490
[  477.216162] 3*32kB 
[  477.218225]  ? lock_downgrade+0x900/0x900
[  477.222525] (UM) 
[  477.224765]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  477.228884] 4*64kB 
[  477.230943]  ? refcount_sub_and_test_checked+0x203/0x310
[  477.236468] (M) 
[  477.238705]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  477.244130] 4*128kB 
[  477.246109]  ? addrconf_rs_timer+0x6f0/0x6f0
[  477.251532] (UM) 
[  477.253863]  ndisc_alloc_skb+0x144/0x340
[  477.258240] 3*256kB 
[  477.260303]  ndisc_send_rs+0x331/0x6e0
[  477.264336] (M) 
[  477.266664]  addrconf_rs_timer+0x3c0/0x6f0
[  477.270526] 4*512kB 
[  477.272498]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  477.276707] (UM) 
[  477.279079]  call_timer_fn+0x272/0x920
[  477.283279] 3*1024kB 
[  477.285348]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  477.289211] (UM) 
[  477.291626]  ? process_timeout+0x40/0x40
[  477.295836] 3*2048kB 
[  477.297893]  ? find_held_lock+0x36/0x1c0
[  477.301928] (UM) 
[  477.304353]  ? __run_timers+0x7da/0xc70
[  477.308383] 3*4096kB 
[  477.310442]  ? _raw_spin_unlock_irq+0x27/0x80
[  477.314389] (M) 
[  477.316800]  ? _raw_spin_unlock_irq+0x27/0x80
[  477.321269] = 25276kB
[  477.323239]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  477.327707] Node 0 
[  477.330119]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  477.334320] Normal: 1058*4kB 
[  477.336573]  ? trace_hardirqs_on+0xbd/0x310
[  477.341141] (UMEH) 
[  477.344242]  ? kasan_check_read+0x11/0x20
[  477.348541] 417*8kB 
[  477.350776]  ? __run_timers+0x7da/0xc70
[  477.354902] (UMEH) 
[  477.357227]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  477.361177] 179*16kB 
[  477.363416]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  477.369050] (UME) 
[  477.371457]  __run_timers+0x7e5/0xc70
[  477.375659] 63*32kB (UMEH) 
[  477.377825]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  477.381591] 21*64kB 
[  477.384521]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  477.389862] (UMH) 
[  477.392186]  ? graph_lock+0x170/0x170
[  477.397179] 2*128kB 
[  477.399326]  ? enqueue_hrtimer+0x1a5/0x560
[  477.403113] (MH) 
[  477.405431]  ? lock_release+0x970/0x970
[  477.409641] 0*256kB 
[  477.411698]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  477.415656] 0*512kB 
[  477.417975]  ? find_held_lock+0x36/0x1c0
[  477.423136] 0*1024kB 
[  477.425471]  ? graph_lock+0x170/0x170
[  477.429508] 0*2048kB 
[  477.431915]  ? pvclock_read_flags+0x160/0x160
[  477.435689] 0*4096kB 
[  477.438106]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  477.442570] = 14048kB
[  477.444976]  ? check_preemption_disabled+0x48/0x200
[  477.450498] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  477.452904]  ? __lock_is_held+0xb5/0x140
[  477.457895] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  477.466720]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  477.470760] 164 total pagecache pages
[  477.479331]  ? check_preemption_disabled+0x48/0x200
[  477.484862] 0 pages in swap cache
[  477.488655]  run_timer_softirq+0x52/0xb0
[  477.493650] Swap cache stats: add 0, delete 0, find 0/0
[  477.497598]  ? rcu_read_lock_sched_held+0x108/0x120
[  477.501641] Free swap  = 0kB
[  477.507001]  __do_softirq+0x30b/0xad8
[  477.511993] Total swap = 0kB
[  477.515014]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  477.518791] 1965979 pages RAM
[  477.521803]  ? pvclock_read_flags+0x160/0x160
[  477.526873] 0 pages HighMem/MovableOnly
[  477.526882] 344031 pages reserved
[  477.529980]  ? lapic_next_event+0x5a/0x90
[  477.534444] 0 pages cma reserved
[  477.534523] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  477.538418]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  477.538432]  ? check_preemption_disabled+0x48/0x200
[  477.538444]  ? check_preemption_disabled+0x48/0x200
[  477.538463]  ? kvm_clock_read+0x18/0x30
[  477.541955] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  477.546038]  ? kvm_sched_clock_read+0x9/0x20
[  477.549380] syz-executor4 cpuset=
[  477.555866]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  477.561379] syz4
[  477.566395]  ? check_preemption_disabled+0x48/0x200
[  477.571392]  mems_allowed=0
[  477.575376]  irq_exit+0x17f/0x1c0
[  477.612501]  smp_apic_timer_interrupt+0x1cb/0x760
[  477.617355]  ? smp_reschedule_interrupt+0x109/0x650
[  477.622384]  ? smp_call_function_single_interrupt+0x650/0x650
[  477.628273]  ? interrupt_entry+0xb5/0xf0
[  477.632337]  ? trace_hardirqs_off_caller+0xbb/0x310
[  477.637373]  ? trace_hardirqs_off_caller+0xbb/0x310
[  477.642394]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  477.647242]  ? trace_hardirqs_on_caller+0x310/0x310
[  477.652257]  ? trace_hardirqs_on_caller+0x310/0x310
[  477.657277]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  477.662820]  ? check_preemption_disabled+0x48/0x200
[  477.667838]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  477.673390]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  477.678245]  apic_timer_interrupt+0xf/0x20
[  477.682473]  </IRQ>
[  477.684716] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  477.689647] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  477.708550] RSP: 0000:ffff8801866cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  477.716260] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  477.723535] RDX: 0000000000000000 RSI: ffff8801ce554f00 RDI: 0000000000000286
[  477.730808] RBP: ffff8801866cf7b0 R08: ffff8801ce554680 R09: 0000000000000000
[  477.738075] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  477.745357] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  477.752674]  skb_clone+0x1bb/0x500
[  477.756223]  ? finish_task_switch+0x2f5/0x900
[  477.760722]  ? skb_split+0x11e0/0x11e0
[  477.764614]  ? preempt_notifier_register+0x200/0x200
[  477.769721]  ? __switch_to_asm+0x34/0x70
[  477.773786]  ? __switch_to_asm+0x34/0x70
[  477.777847]  ? __switch_to_asm+0x40/0x70
[  477.781909]  ? __switch_to_asm+0x34/0x70
[  477.785973]  ? __switch_to_asm+0x40/0x70
[  477.790038]  ? __switch_to_asm+0x34/0x70
[  477.794099]  ? __switch_to_asm+0x40/0x70
[  477.798165]  ? __switch_to_asm+0x34/0x70
[  477.802229]  ? __switch_to_asm+0x34/0x70
[  477.806294]  ? __switch_to_asm+0x40/0x70
[  477.810379]  ? __switch_to_asm+0x34/0x70
[  477.814453]  bpf_clone_redirect+0xb9/0x490
[  477.818690]  ? __schedule+0x874/0x1ed0
[  477.822584]  bpf_prog_3d1649e183dc2cc1+0x379/0x1000
[  477.827605]  ? __sched_text_start+0x8/0x8
[  477.831765]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  477.836531]  ? find_held_lock+0x36/0x1c0
[  477.840605]  ? lock_acquire+0x1ed/0x520
[  477.844583]  ? bpf_test_run+0x32e/0x5a0
[  477.848564]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  477.854107]  ? check_preemption_disabled+0x48/0x200
[  477.859135]  ? kasan_check_read+0x11/0x20
[  477.863288]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  477.868572]  ? rcu_bh_qs+0xc0/0xc0
[  477.872122]  ? preempt_schedule+0x4d/0x60
[  477.876276]  ? ___preempt_schedule+0x16/0x18
[  477.880696]  ? bpf_test_run+0x1c0/0x5a0
[  477.884691]  ? netlink_diag_dump+0x2a0/0x2a0
[  477.889117]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  477.894662]  ? bpf_test_init.isra.9+0x70/0x100
[  477.899250]  ? bpf_prog_test_run_skb+0x634/0xb40
[  477.904020]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  477.908863]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  477.914399]  ? fput+0x130/0x1a0
[  477.917683]  ? __bpf_prog_get+0x9b/0x290
[  477.921784]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  477.926689]  ? bpf_prog_test_run+0x130/0x1a0
[  477.931111]  ? __x64_sys_bpf+0x3d8/0x510
[  477.935181]  ? bpf_prog_get+0x20/0x20
[  477.939008]  ? do_syscall_64+0x1b9/0x820
[  477.943074]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  477.948470]  ? syscall_return_slowpath+0x5e0/0x5e0
[  477.953400]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  477.958246]  ? trace_hardirqs_on_caller+0x310/0x310
[  477.963268]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  477.968306]  ? prepare_exit_to_usermode+0x291/0x3b0
[  477.973331]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  477.978195]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  477.983584] CPU: 0 PID: 11399 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  477.983655] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  477.990947] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  477.990952] Call Trace:
[  477.990960]  <IRQ>
[  477.990978]  dump_stack+0x1c4/0x2b4
[  477.990999]  ? dump_stack_print_info.cold.2+0x52/0x52
[  477.997562] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  478.006836]  warn_alloc.cold.119+0xb7/0x1bd
[  478.009391] syz-executor4 cpuset=
[  478.011540]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  478.015154] syz4
[  478.020339]  ? lock_downgrade+0x900/0x900
[  478.030810]  mems_allowed=0
[  478.035131]  ? trace_hardirqs_off+0xb8/0x310
[  478.056829]  ? trace_hardirqs_off+0xb8/0x310
[  478.061249]  __alloc_pages_slowpath+0x2667/0x2d80
[  478.066152]  ? warn_alloc+0x120/0x120
[  478.069978]  ? warn_alloc+0x120/0x120
[  478.073796]  ? print_usage_bug+0xc0/0xc0
[  478.077901]  ? warn_alloc+0x120/0x120
[  478.081735]  ? print_usage_bug+0xc0/0xc0
[  478.085804]  ? __lock_acquire+0x7ec/0x4ec0
[  478.090128]  ? __lock_acquire+0x7ec/0x4ec0
[  478.094388]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  478.099933]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  478.105479]  ? should_fail+0x22d/0xd01
[  478.109382]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  478.114486]  ? __lock_acquire+0x7ec/0x4ec0
[  478.118730]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  478.123836]  ? __lock_acquire+0x7ec/0x4ec0
[  478.128074]  ? should_fail+0x22d/0xd01
[  478.131981]  ? mark_held_locks+0x130/0x130
[  478.136229]  ? mark_held_locks+0x130/0x130
[  478.140470]  ? graph_lock+0x170/0x170
[  478.144275]  ? print_usage_bug+0xc0/0xc0
[  478.148353]  ? graph_lock+0x170/0x170
[  478.152157]  ? print_usage_bug+0xc0/0xc0
[  478.156224]  ? wq_watchdog_touch+0x9c/0xfe
[  478.160461]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  478.166010]  ? check_preemption_disabled+0x48/0x200
[  478.171045]  ? check_preemption_disabled+0x48/0x200
[  478.176081]  ? __lock_is_held+0xb5/0x140
[  478.180157]  __alloc_pages_nodemask+0xa80/0xde0
[  478.184828]  ? graph_lock+0x170/0x170
[  478.188644]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  478.193663]  ? graph_lock+0x170/0x170
[  478.197480]  ? find_held_lock+0x36/0x1c0
[  478.201557]  ? ____cache_alloc_node+0x1c7/0x1e0
[  478.206231]  ? lock_downgrade+0x900/0x900
[  478.210391]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  478.215936]  cache_grow_begin+0x91/0x8c0
[  478.220003]  ? do_raw_spin_unlock+0xa7/0x2f0
[  478.224428]  fallback_alloc+0x203/0x2e0
[  478.228413]  ____cache_alloc_node+0x1c7/0x1e0
[  478.232920]  kmem_cache_alloc_node+0xe3/0x730
[  478.237421]  ? ipv6_get_ifaddr+0x42e/0x620
[  478.241673]  __alloc_skb+0x119/0x770
[  478.245395]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  478.250678]  ? skb_scrub_packet+0x490/0x490
[  478.255005]  ? lock_downgrade+0x900/0x900
[  478.259161]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  478.264705]  ? refcount_sub_and_test_checked+0x203/0x310
[  478.270161]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  478.275621]  ? addrconf_rs_timer+0x6f0/0x6f0
[  478.280045]  ndisc_alloc_skb+0x144/0x340
[  478.284117]  ndisc_send_rs+0x331/0x6e0
[  478.288016]  addrconf_rs_timer+0x3c0/0x6f0
[  478.292262]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  478.296519]  call_timer_fn+0x272/0x920
[  478.300430]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  478.304791]  ? process_timeout+0x40/0x40
[  478.308858]  ? find_held_lock+0x36/0x1c0
[  478.312936]  ? __run_timers+0x7da/0xc70
[  478.316922]  ? _raw_spin_unlock_irq+0x27/0x80
[  478.321422]  ? _raw_spin_unlock_irq+0x27/0x80
[  478.325916]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  478.330153]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  478.334738]  ? trace_hardirqs_on+0xbd/0x310
[  478.339063]  ? kasan_check_read+0x11/0x20
[  478.343213]  ? __run_timers+0x7da/0xc70
[  478.347196]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  478.352653]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  478.356897]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  478.361137]  __run_timers+0x7e5/0xc70
[  478.364952]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  478.370536]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  478.375557]  ? graph_lock+0x170/0x170
[  478.379370]  ? enqueue_hrtimer+0x1a5/0x560
[  478.383614]  ? lock_release+0x970/0x970
[  478.387591]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  478.392809]  ? find_held_lock+0x36/0x1c0
[  478.396878]  ? graph_lock+0x170/0x170
[  478.400690]  ? pvclock_read_flags+0x160/0x160
[  478.405191]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  478.410744]  ? check_preemption_disabled+0x48/0x200
[  478.415793]  ? __lock_is_held+0xb5/0x140
[  478.419859]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  478.425396]  ? check_preemption_disabled+0x48/0x200
[  478.430426]  run_timer_softirq+0x52/0xb0
[  478.434496]  ? rcu_read_lock_sched_held+0x108/0x120
[  478.439517]  __do_softirq+0x30b/0xad8
[  478.443329]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  478.448447]  ? pvclock_read_flags+0x160/0x160
[  478.452946]  ? lapic_next_event+0x5a/0x90
[  478.457097]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  478.462656]  ? check_preemption_disabled+0x48/0x200
[  478.467674]  ? check_preemption_disabled+0x48/0x200
[  478.472702]  ? kvm_clock_read+0x18/0x30
[  478.476679]  ? kvm_sched_clock_read+0x9/0x20
[  478.481091]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  478.486634]  ? check_preemption_disabled+0x48/0x200
[  478.491665]  irq_exit+0x17f/0x1c0
[  478.495127]  smp_apic_timer_interrupt+0x1cb/0x760
[  478.500136]  ? smp_reschedule_interrupt+0x109/0x650
[  478.505371]  ? smp_call_function_single_interrupt+0x650/0x650
[  478.511265]  ? interrupt_entry+0xb5/0xf0
[  478.515334]  ? trace_hardirqs_off_caller+0xbb/0x310
[  478.520368]  ? trace_hardirqs_off_caller+0xbb/0x310
[  478.525389]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  478.530235]  ? trace_hardirqs_on_caller+0x310/0x310
[  478.535250]  ? trace_hardirqs_on_caller+0x310/0x310
[  478.540273]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  478.545812]  ? check_preemption_disabled+0x48/0x200
[  478.550832]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  478.556390]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  478.561249]  apic_timer_interrupt+0xf/0x20
[  478.565482]  </IRQ>
[  478.567728] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  478.572665] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  478.591564] RSP: 0000:ffff8801ba62f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  478.599279] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  478.606547] RDX: 0000000000000000 RSI: ffff8801b881aa80 RDI: 0000000000000286
[  478.613814] RBP: ffff8801ba62f7b0 R08: ffff8801b881a200 R09: 0000000000000000
[  478.621082] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  478.628356] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  478.635675]  skb_clone+0x1bb/0x500
[  478.639221]  ? finish_task_switch+0x1b5/0x900
[  478.643720]  ? skb_split+0x11e0/0x11e0
[  478.647615]  ? preempt_notifier_register+0x200/0x200
[  478.652724]  ? __switch_to_asm+0x34/0x70
[  478.656789]  ? __switch_to_asm+0x34/0x70
[  478.660855]  ? __switch_to_asm+0x40/0x70
[  478.664915]  ? __switch_to_asm+0x34/0x70
[  478.668975]  ? __switch_to_asm+0x40/0x70
[  478.673037]  ? __switch_to_asm+0x34/0x70
[  478.677101]  ? __switch_to_asm+0x40/0x70
[  478.681162]  ? __switch_to_asm+0x34/0x70
[  478.685243]  ? __switch_to_asm+0x34/0x70
[  478.689334]  ? __switch_to_asm+0x40/0x70
[  478.693407]  ? __switch_to_asm+0x34/0x70
[  478.697475]  bpf_clone_redirect+0xb9/0x490
[  478.701712]  ? __schedule+0x874/0x1ed0
[  478.705611]  bpf_prog_3d1649e183dc2cc1+0xcce/0x1000
[  478.710635]  ? __sched_text_start+0x8/0x8
[  478.714794]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  478.719562]  ? find_held_lock+0x36/0x1c0
[  478.723638]  ? lock_acquire+0x1ed/0x520
[  478.727624]  ? bpf_test_run+0x32e/0x5a0
[  478.731613]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  478.737153]  ? check_preemption_disabled+0x48/0x200
[  478.742177]  ? kasan_check_read+0x11/0x20
[  478.746332]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  478.751637]  ? rcu_bh_qs+0xc0/0xc0
[  478.755180]  ? preempt_schedule+0x4d/0x60
[  478.759337]  ? ___preempt_schedule+0x16/0x18
[  478.763768]  ? bpf_test_run+0x1c0/0x5a0
[  478.767756]  ? netlink_diag_dump+0x2a0/0x2a0
[  478.772172]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  478.777712]  ? bpf_test_init.isra.9+0x70/0x100
[  478.782300]  ? bpf_prog_test_run_skb+0x634/0xb40
[  478.787066]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  478.792000]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  478.797539]  ? fput+0x130/0x1a0
[  478.800821]  ? __bpf_prog_get+0x9b/0x290
[  478.804889]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  478.809731]  ? bpf_prog_test_run+0x130/0x1a0
[  478.814146]  ? __x64_sys_bpf+0x3d8/0x510
[  478.818207]  ? bpf_prog_get+0x20/0x20
[  478.822031]  ? do_syscall_64+0x1b9/0x820
[  478.826099]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  478.831496]  ? syscall_return_slowpath+0x5e0/0x5e0
[  478.836440]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  478.841305]  ? trace_hardirqs_on_caller+0x310/0x310
[  478.846351]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  478.851381]  ? prepare_exit_to_usermode+0x291/0x3b0
[  478.856407]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  478.861265]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  478.866697] warn_alloc_show_mem: 1 callbacks suppressed
[  478.866714] CPU: 1 PID: 11390 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  478.866716] Mem-Info:
[  478.866748] active_anon:122480 inactive_anon:112 isolated_anon:0
[  478.866748]  active_file:16 inactive_file:5 isolated_file:0
[  478.866748]  unevictable:0 dirty:0 writeback:0 unstable:0
[  478.866748]  slab_reclaimable:9164 slab_unreclaimable:1399977
[  478.866748]  mapped:40962 shmem:118 pagetables:796 bounce:0
[  478.866748]  free:13728 free_pcp:0 free_cma:0
[  478.872080] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  478.872089] Call Trace:
[  478.879460] Node 0 active_anon:489920kB inactive_anon:448kB active_file:64kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:472kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 471040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  478.881864]  <IRQ>
[  478.914556] Node 0 
[  478.923914]  dump_stack+0x1c4/0x2b4
[  478.926499] 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
[  478.953983]  ? dump_stack_print_info.cold.2+0x52/0x52
[  478.956101] lowmem_reserve[]: 0 2813
[  478.958366]  warn_alloc.cold.119+0xb7/0x1bd
[  478.961960]  6317
[  478.987464]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  478.992633]  6317
[  478.996363]  ? lock_downgrade+0x900/0x900
[  479.000675] Node 0 
[  479.002743]  ? trace_hardirqs_off+0xb8/0x310
[  479.007597] DMA32 free:25276kB min:30028kB low:37532kB high:45036kB active_anon:12288kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2884608kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  479.009627]  ? trace_hardirqs_off+0xb8/0x310
[  479.013747] lowmem_reserve[]:
[  479.015988]  __alloc_pages_slowpath+0x2667/0x2d80
[  479.020364]  0 0
[  479.047285]  ? warn_alloc+0x120/0x120
[  479.051665]  3503
[  479.054766]  ? trace_hardirqs_on+0x310/0x310
[  479.059579]  3503
[  479.061561]  ? warn_alloc+0x120/0x120
[  479.065336] Node 0 
[  479.067404]  ? print_usage_bug+0xc0/0xc0
[  479.071814] Normal free:13728kB min:37384kB low:46728kB high:56072kB active_anon:477632kB inactive_anon:448kB active_file:64kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3587276kB mlocked:0kB kernel_stack:5408kB pagetables:3184kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  479.073854]  ? warn_alloc+0x120/0x120
[  479.077630] lowmem_reserve[]: 0
[  479.079875]  ? ktime_get+0x2e1/0x440
[  479.083911]  0
[  479.111931]  ? print_usage_bug+0xc0/0xc0
[  479.115710]  0
[  479.118985]  ? __lock_acquire+0x7ec/0x4ec0
[  479.122673]  0
[  479.124470]  ? __lock_acquire+0x7ec/0x4ec0
[  479.130301]  ? kasan_check_read+0x11/0x20
[  479.134511] Node 0 
[  479.136311]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  479.140525] DMA: 
[  479.144672]  ? should_fail+0x22d/0xd01
[  479.146886] 1*4kB 
[  479.152416]  ? rcu_bh_qs+0xc0/0xc0
[  479.154455] (U) 
[  479.158349]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  479.160485] 0*8kB 
[  479.164017]  ? __lock_acquire+0x7ec/0x4ec0
[  479.165974] 0*16kB 
[  479.171074]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  479.173198] 1*32kB 
[  479.177426]  ? __lock_acquire+0x7ec/0x4ec0
[  479.179642] (U) 
[  479.184739]  ? should_fail+0x22d/0xd01
[  479.186950] 2*64kB 
[  479.191180]  ? rcu_idle_enter+0x4b0/0x4b0
[  479.193135] (U) 
[  479.197024]  ? mark_held_locks+0x130/0x130
[  479.199254] 1*128kB 
[  479.203389]  ? mark_held_locks+0x130/0x130
[  479.205360] (U) 
[  479.209592]  ? mark_held_locks+0xc7/0x130
[  479.211889] 1*256kB (U) 
[  479.216130]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  479.218087] 0*512kB 
[  479.222229]  ? graph_lock+0x170/0x170
[  479.224874] 1*1024kB (U) 
[  479.229894]  ? print_usage_bug+0xc0/0xc0
[  479.232213] 1*2048kB 
[  479.236010]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  479.238745] (M) 
[  479.242800]  ? check_preemption_disabled+0x48/0x200
[  479.245194] 3*4096kB 
[  479.250726]  ? check_preemption_disabled+0x48/0x200
[  479.252681] (M) 
[  479.257699]  ? __lock_is_held+0xb5/0x140
[  479.260078] = 15908kB
[  479.265108]  __alloc_pages_nodemask+0xa80/0xde0
[  479.267051] Node 0 
[  479.271110]  ? graph_lock+0x170/0x170
[  479.273491] DMA32: 
[  479.278163]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  479.280376] 5*4kB 
[  479.284167]  ? graph_lock+0x170/0x170
[  479.286384] (UM) 
[  479.291400]  ? find_held_lock+0x36/0x1c0
[  479.293522] 1*8kB 
[  479.297323]  ? ____cache_alloc_node+0x1c7/0x1e0
[  479.299366] (U) 
[  479.303424]  ? lock_downgrade+0x900/0x900
[  479.305554] 4*16kB 
[  479.310221]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  479.312169] (UM) 
[  479.316317]  cache_grow_begin+0x91/0x8c0
[  479.318529] 3*32kB 
[  479.324059]  ? do_raw_spin_unlock+0xa7/0x2f0
[  479.326102] (UM) 
[  479.330166]  fallback_alloc+0x203/0x2e0
[  479.332381] 4*64kB 
[  479.336785]  ____cache_alloc_node+0x1c7/0x1e0
[  479.338824] (M) 
[  479.342794]  kmem_cache_alloc_node+0xe3/0x730
[  479.344999] 4*128kB (UM) 
[  479.349504]  ? ipv6_get_ifaddr+0x42e/0x620
[  479.351457] 3*256kB 
[  479.355955]  __alloc_skb+0x119/0x770
[  479.358681] (M) 
[  479.362918]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  479.365378] 4*512kB 
[  479.369097]  ? skb_scrub_packet+0x490/0x490
[  479.371048] (UM) 
[  479.376317]  ? lock_downgrade+0x900/0x900
[  479.378614] 3*1024kB (UM) 
[  479.382943]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  479.384995] 3*2048kB 
[  479.389145]  ? refcount_sub_and_test_checked+0x203/0x310
[  479.391962] (UM) 
[  479.397497]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  479.399889] 3*4096kB 
[  479.405335]  ? addrconf_rs_timer+0x6f0/0x6f0
[  479.407384] (M) 
[  479.412839]  ndisc_alloc_skb+0x144/0x340
[  479.415218] = 25276kB
[  479.419626]  ndisc_send_rs+0x331/0x6e0
[  479.421579] Node 0 
[  479.425635]  addrconf_rs_timer+0x3c0/0x6f0
[  479.428021] Normal: 
[  479.431904]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  479.434118] 1058*4kB 
[  479.438363]  call_timer_fn+0x272/0x920
[  479.440652] (UMEH) 
[  479.444982]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  479.447378] 417*8kB 
[  479.451276]  ? process_timeout+0x40/0x40
[  479.453487] (UMEH) 
[  479.457719]  ? find_held_lock+0x36/0x1c0
[  479.460017] 179*16kB 
[  479.464074]  ? __run_timers+0x7da/0xc70
[  479.466285] (UME) 
[  479.470351]  ? _raw_spin_unlock_irq+0x27/0x80
[  479.472726] 63*32kB (UMEH) 
[  479.476705]  ? _raw_spin_unlock_irq+0x27/0x80
[  479.478832] 21*64kB 
[  479.483323]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  479.486221] (UMH) 2*128kB 
[  479.490725]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  479.493026] (MH) 
[  479.497255]  ? trace_hardirqs_on+0xbd/0x310
[  479.500067] 0*256kB 0*512kB 
[  479.504655]  ? kasan_check_read+0x11/0x20
[  479.506697] 0*1024kB 
[  479.511012]  ? __run_timers+0x7da/0xc70
[  479.514009] 0*2048kB 
[  479.518153]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  479.520537] 0*4096kB 
[  479.524513]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  479.526897] = 14048kB
[  479.532353]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  479.534741] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  479.538969]  __run_timers+0x7e5/0xc70
[  479.541367] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  479.545605]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  479.554415] 164 total pagecache pages
[  479.558241]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  479.566802] 0 pages in swap cache
[  479.572169]  ? graph_lock+0x170/0x170
[  479.575944] Swap cache stats: add 0, delete 0, find 0/0
[  479.580950]  ? enqueue_hrtimer+0x1a5/0x560
[  479.584381] Free swap  = 0kB
[  479.588172]  ? lock_release+0x970/0x970
[  479.593512] Total swap = 0kB
[  479.597740]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  479.600734] 1965979 pages RAM
[  479.604706]  ? find_held_lock+0x36/0x1c0
[  479.607691] 0 pages HighMem/MovableOnly
[  479.607700] 344031 pages reserved
[  479.612884]  ? graph_lock+0x170/0x170
[  479.615963] 0 pages cma reserved
[  479.620017]  ? pvclock_read_flags+0x160/0x160
[  479.624030] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  479.627410]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  479.627425]  ? check_preemption_disabled+0x48/0x200
[  479.627450]  ? __lock_is_held+0xb5/0x140
[  479.631291] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  479.634594]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  479.639074] syz-executor4 cpuset=
[  479.645561]  ? check_preemption_disabled+0x48/0x200
[  479.651072] syz4
[  479.656087]  run_timer_softirq+0x52/0xb0
[  479.660121]  mems_allowed=0
[  479.670603]  ? rcu_read_lock_sched_held+0x108/0x120
[  479.698637]  __do_softirq+0x30b/0xad8
[  479.702453]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  479.707568]  ? pvclock_read_flags+0x160/0x160
[  479.712070]  ? lapic_next_event+0x5a/0x90
[  479.716225]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  479.721766]  ? check_preemption_disabled+0x48/0x200
[  479.726789]  ? check_preemption_disabled+0x48/0x200
[  479.731818]  ? kvm_clock_read+0x18/0x30
[  479.735796]  ? kvm_sched_clock_read+0x9/0x20
[  479.740229]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  479.745768]  ? check_preemption_disabled+0x48/0x200
[  479.750803]  irq_exit+0x17f/0x1c0
[  479.754264]  smp_apic_timer_interrupt+0x1cb/0x760
[  479.759113]  ? smp_reschedule_interrupt+0x109/0x650
[  479.764136]  ? smp_call_function_single_interrupt+0x650/0x650
[  479.770030]  ? interrupt_entry+0xb5/0xf0
[  479.774095]  ? trace_hardirqs_off_caller+0xbb/0x310
[  479.779126]  ? trace_hardirqs_off_caller+0xbb/0x310
[  479.784145]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  479.788989]  ? trace_hardirqs_on_caller+0x310/0x310
[  479.794007]  ? trace_hardirqs_on_caller+0x310/0x310
[  479.799027]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  479.804566]  ? check_preemption_disabled+0x48/0x200
[  479.809581]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  479.815137]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  479.819992]  apic_timer_interrupt+0xf/0x20
[  479.824218]  </IRQ>
[  479.826465] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  479.831399] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  479.850303] RSP: 0000:ffff8801866cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  479.858021] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  479.865293] RDX: 0000000000000000 RSI: ffff8801ce554f00 RDI: 0000000000000286
[  479.872565] RBP: ffff8801866cf7b0 R08: ffff8801ce554680 R09: 0000000000000000
[  479.879833] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  479.887110] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  479.894432]  skb_clone+0x1bb/0x500
[  479.897980]  ? finish_task_switch+0x2f5/0x900
[  479.902481]  ? skb_split+0x11e0/0x11e0
[  479.906379]  ? preempt_notifier_register+0x200/0x200
[  479.911490]  ? __switch_to_asm+0x34/0x70
[  479.915556]  ? __switch_to_asm+0x34/0x70
[  479.919619]  ? __switch_to_asm+0x40/0x70
[  479.923686]  ? __switch_to_asm+0x34/0x70
[  479.927751]  ? __switch_to_asm+0x40/0x70
[  479.931817]  ? __switch_to_asm+0x34/0x70
[  479.935881]  ? __switch_to_asm+0x40/0x70
[  479.939944]  ? __switch_to_asm+0x34/0x70
[  479.944005]  ? __switch_to_asm+0x34/0x70
[  479.948071]  ? __switch_to_asm+0x40/0x70
[  479.952135]  ? __switch_to_asm+0x34/0x70
[  479.956208]  bpf_clone_redirect+0xb9/0x490
[  479.960450]  ? __schedule+0x874/0x1ed0
[  479.964353]  bpf_prog_3d1649e183dc2cc1+0x379/0x1000
[  479.969383]  ? __sched_text_start+0x8/0x8
[  479.973548]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  479.978322]  ? find_held_lock+0x36/0x1c0
[  479.982405]  ? lock_acquire+0x1ed/0x520
[  479.986383]  ? bpf_test_run+0x32e/0x5a0
[  479.990370]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  479.995922]  ? check_preemption_disabled+0x48/0x200
[  480.000948]  ? kasan_check_read+0x11/0x20
[  480.005119]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  480.010400]  ? rcu_bh_qs+0xc0/0xc0
[  480.013943]  ? preempt_schedule+0x4d/0x60
[  480.018096]  ? ___preempt_schedule+0x16/0x18
[  480.022525]  ? bpf_test_run+0x1c0/0x5a0
[  480.026515]  ? netlink_diag_dump+0x2a0/0x2a0
[  480.030933]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  480.036471]  ? bpf_test_init.isra.9+0x70/0x100
[  480.041063]  ? bpf_prog_test_run_skb+0x634/0xb40
[  480.045833]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  480.050675]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  480.056213]  ? fput+0x130/0x1a0
[  480.059496]  ? __bpf_prog_get+0x9b/0x290
[  480.063563]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  480.068408]  ? bpf_prog_test_run+0x130/0x1a0
[  480.072820]  ? __x64_sys_bpf+0x3d8/0x510
[  480.076886]  ? bpf_prog_get+0x20/0x20
[  480.080712]  ? do_syscall_64+0x1b9/0x820
[  480.084775]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  480.090145]  ? syscall_return_slowpath+0x5e0/0x5e0
[  480.095079]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  480.099931]  ? trace_hardirqs_on_caller+0x310/0x310
[  480.104951]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  480.109972]  ? prepare_exit_to_usermode+0x291/0x3b0
[  480.115001]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  480.119857]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  480.125241] CPU: 0 PID: 11399 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  480.125334] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  480.132601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  480.132620] Call Trace:
[  480.132628]  <IRQ>
[  480.132651]  dump_stack+0x1c4/0x2b4
[  480.139221] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  480.148486]  ? dump_stack_print_info.cold.2+0x52/0x52
[  480.151049] syz-executor4 cpuset=
[  480.153204]  warn_alloc.cold.119+0xb7/0x1bd
[  480.156798] syz4
[  480.167282]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  480.172448]  mems_allowed=0
[  480.175907]  ? lock_downgrade+0x900/0x900
[  480.194062]  ? trace_hardirqs_off+0xb8/0x310
[  480.198480]  ? trace_hardirqs_off+0xb8/0x310
[  480.202902]  __alloc_pages_slowpath+0x2667/0x2d80
[  480.207786]  ? warn_alloc+0x120/0x120
[  480.211596]  ? lock_release+0x970/0x970
[  480.215583]  ? warn_alloc+0x120/0x120
[  480.219392]  ? print_usage_bug+0xc0/0xc0
[  480.223459]  ? warn_alloc+0x120/0x120
[  480.227261]  ? print_usage_bug+0xc0/0xc0
[  480.231330]  ? __lock_acquire+0x7ec/0x4ec0
[  480.235575]  ? __lock_acquire+0x7ec/0x4ec0
[  480.239846]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  480.245395]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  480.250941]  ? should_fail+0x22d/0xd01
[  480.254838]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  480.259941]  ? __lock_acquire+0x7ec/0x4ec0
[  480.264184]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  480.269287]  ? __lock_acquire+0x7ec/0x4ec0
[  480.273521]  ? should_fail+0x22d/0xd01
[  480.277436]  ? mark_held_locks+0x130/0x130
[  480.281675]  ? mark_held_locks+0x130/0x130
[  480.285918]  ? graph_lock+0x170/0x170
[  480.289722]  ? print_usage_bug+0xc0/0xc0
[  480.293784]  ? graph_lock+0x170/0x170
[  480.297588]  ? print_usage_bug+0xc0/0xc0
[  480.301655]  ? wq_watchdog_touch+0x9c/0xfe
[  480.305897]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  480.311441]  ? check_preemption_disabled+0x48/0x200
[  480.316459]  ? check_preemption_disabled+0x48/0x200
[  480.321489]  ? __lock_is_held+0xb5/0x140
[  480.325559]  __alloc_pages_nodemask+0xa80/0xde0
[  480.330230]  ? graph_lock+0x170/0x170
[  480.334039]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  480.339057]  ? graph_lock+0x170/0x170
[  480.342871]  ? find_held_lock+0x36/0x1c0
[  480.346943]  ? ____cache_alloc_node+0x1c7/0x1e0
[  480.351620]  ? lock_downgrade+0x900/0x900
[  480.355779]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  480.361324]  cache_grow_begin+0x91/0x8c0
[  480.365918]  ? do_raw_spin_unlock+0xa7/0x2f0
[  480.370338]  fallback_alloc+0x203/0x2e0
[  480.374333]  ____cache_alloc_node+0x1c7/0x1e0
[  480.378878]  kmem_cache_alloc_node+0xe3/0x730
[  480.383407]  ? ipv6_get_ifaddr+0x42e/0x620
[  480.387656]  __alloc_skb+0x119/0x770
[  480.391380]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  480.396663]  ? skb_scrub_packet+0x490/0x490
[  480.400986]  ? lock_downgrade+0x900/0x900
[  480.405158]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  480.410702]  ? refcount_sub_and_test_checked+0x203/0x310
[  480.416160]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  480.421634]  ? addrconf_rs_timer+0x6f0/0x6f0
[  480.426073]  ndisc_alloc_skb+0x144/0x340
[  480.430139]  ndisc_send_rs+0x331/0x6e0
[  480.434037]  addrconf_rs_timer+0x3c0/0x6f0
[  480.438279]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  480.442535]  call_timer_fn+0x272/0x920
[  480.446441]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  480.450700]  ? process_timeout+0x40/0x40
[  480.454762]  ? find_held_lock+0x36/0x1c0
[  480.458835]  ? __run_timers+0x7da/0xc70
[  480.462814]  ? _raw_spin_unlock_irq+0x27/0x80
[  480.467350]  ? _raw_spin_unlock_irq+0x27/0x80
[  480.471845]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  480.476081]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  480.480668]  ? trace_hardirqs_on+0xbd/0x310
[  480.484988]  ? kasan_check_read+0x11/0x20
[  480.489137]  ? __run_timers+0x7da/0xc70
[  480.493114]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  480.498814]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  480.503059]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  480.507302]  __run_timers+0x7e5/0xc70
[  480.511142]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  480.516512]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  480.521782]  ? graph_lock+0x170/0x170
[  480.525588]  ? enqueue_hrtimer+0x1a5/0x560
[  480.529827]  ? lock_release+0x970/0x970
[  480.533807]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  480.539032]  ? find_held_lock+0x36/0x1c0
[  480.543112]  ? graph_lock+0x170/0x170
[  480.546928]  ? pvclock_read_flags+0x160/0x160
[  480.551423]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  480.556964]  ? check_preemption_disabled+0x48/0x200
[  480.561999]  ? __lock_is_held+0xb5/0x140
[  480.566078]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  480.571636]  ? check_preemption_disabled+0x48/0x200
[  480.576666]  run_timer_softirq+0x52/0xb0
[  480.580730]  ? rcu_read_lock_sched_held+0x108/0x120
[  480.585747]  __do_softirq+0x30b/0xad8
[  480.589558]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  480.594666]  ? pvclock_read_flags+0x160/0x160
[  480.599170]  ? lapic_next_event+0x5a/0x90
[  480.603327]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  480.608873]  ? check_preemption_disabled+0x48/0x200
[  480.613889]  ? check_preemption_disabled+0x48/0x200
[  480.618913]  ? kvm_clock_read+0x18/0x30
[  480.622892]  ? kvm_sched_clock_read+0x9/0x20
[  480.627304]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  480.632844]  ? check_preemption_disabled+0x48/0x200
[  480.637879]  irq_exit+0x17f/0x1c0
[  480.641339]  smp_apic_timer_interrupt+0x1cb/0x760
[  480.646195]  ? smp_reschedule_interrupt+0x109/0x650
[  480.651216]  ? smp_call_function_single_interrupt+0x650/0x650
[  480.657107]  ? interrupt_entry+0xb5/0xf0
[  480.661172]  ? trace_hardirqs_off_caller+0xbb/0x310
[  480.666189]  ? trace_hardirqs_off_caller+0xbb/0x310
[  480.671209]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  480.676055]  ? trace_hardirqs_on_caller+0x310/0x310
[  480.681071]  ? trace_hardirqs_on_caller+0x310/0x310
[  480.686090]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  480.691635]  ? check_preemption_disabled+0x48/0x200
[  480.696655]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  480.702235]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  480.707089]  apic_timer_interrupt+0xf/0x20
[  480.711325]  </IRQ>
[  480.713575] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  480.718510] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  480.737410] RSP: 0000:ffff8801ba62f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  480.745123] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  480.752393] RDX: 0000000000000000 RSI: ffff8801b881aa80 RDI: 0000000000000286
[  480.759661] RBP: ffff8801ba62f7b0 R08: ffff8801b881a200 R09: 0000000000000000
[  480.766933] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  480.774201] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  480.781779]  skb_clone+0x1bb/0x500
[  480.785323]  ? finish_task_switch+0x1b5/0x900
[  480.789830]  ? skb_split+0x11e0/0x11e0
[  480.793746]  ? preempt_notifier_register+0x200/0x200
[  480.798864]  ? __switch_to_asm+0x34/0x70
[  480.802953]  ? __switch_to_asm+0x34/0x70
[  480.807020]  ? __switch_to_asm+0x40/0x70
[  480.811085]  ? __switch_to_asm+0x34/0x70
[  480.815149]  ? __switch_to_asm+0x40/0x70
[  480.819211]  ? __switch_to_asm+0x34/0x70
[  480.823271]  ? __switch_to_asm+0x40/0x70
[  480.827334]  ? __switch_to_asm+0x34/0x70
[  480.831418]  ? __switch_to_asm+0x34/0x70
[  480.835508]  ? __switch_to_asm+0x40/0x70
[  480.839582]  ? __switch_to_asm+0x34/0x70
[  480.843676]  bpf_clone_redirect+0xb9/0x490
[  480.847934]  ? __schedule+0x874/0x1ed0
[  480.851841]  bpf_prog_3d1649e183dc2cc1+0xcce/0x1000
[  480.856865]  ? __sched_text_start+0x8/0x8
[  480.861023]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  480.865790]  ? find_held_lock+0x36/0x1c0
[  480.869862]  ? lock_acquire+0x1ed/0x520
[  480.873838]  ? bpf_test_run+0x32e/0x5a0
[  480.877816]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  480.883365]  ? check_preemption_disabled+0x48/0x200
[  480.888389]  ? kasan_check_read+0x11/0x20
[  480.892551]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  480.897836]  ? rcu_bh_qs+0xc0/0xc0
[  480.901386]  ? preempt_schedule+0x4d/0x60
[  480.905535]  ? ___preempt_schedule+0x16/0x18
[  480.909956]  ? bpf_test_run+0x1c0/0x5a0
[  480.913946]  ? netlink_diag_dump+0x2a0/0x2a0
[  480.918366]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  480.923905]  ? bpf_test_init.isra.9+0x70/0x100
[  480.928495]  ? bpf_prog_test_run_skb+0x634/0xb40
[  480.933260]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  480.938105]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  480.943645]  ? fput+0x130/0x1a0
[  480.946930]  ? __bpf_prog_get+0x9b/0x290
[  480.950996]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  480.955844]  ? bpf_prog_test_run+0x130/0x1a0
[  480.960257]  ? __x64_sys_bpf+0x3d8/0x510
[  480.964321]  ? bpf_prog_get+0x20/0x20
[  480.968159]  ? do_syscall_64+0x1b9/0x820
[  480.972229]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  480.977601]  ? syscall_return_slowpath+0x5e0/0x5e0
[  480.982541]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  480.987391]  ? trace_hardirqs_on_caller+0x310/0x310
[  480.992412]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  480.997432]  ? prepare_exit_to_usermode+0x291/0x3b0
[  481.002461]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  481.007317]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  481.012727] CPU: 1 PID: 11390 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  481.012733] warn_alloc_show_mem: 1 callbacks suppressed
[  481.012740] Mem-Info:
[  481.020100] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  481.025472] active_anon:122480 inactive_anon:112 isolated_anon:0
[  481.025472]  active_file:16 inactive_file:5 isolated_file:0
[  481.025472]  unevictable:0 dirty:0 writeback:0 unstable:0
[  481.025472]  slab_reclaimable:9164 slab_unreclaimable:1399977
[  481.025472]  mapped:40962 shmem:118 pagetables:796 bounce:0
[  481.025472]  free:13728 free_pcp:0 free_cma:0
[  481.027845] Call Trace:
[  481.037235] Node 0 active_anon:489920kB inactive_anon:448kB active_file:64kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:472kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 471040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  481.070004]  <IRQ>
[  481.070028]  dump_stack+0x1c4/0x2b4
[  481.072614] Node 0 
[  481.100128]  ? dump_stack_print_info.cold.2+0x52/0x52
[  481.102266] 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
[  481.105878]  warn_alloc.cold.119+0xb7/0x1bd
[  481.108080] lowmem_reserve[]:
[  481.113276]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  481.138746]  0 2813
[  481.143076]  ? lock_downgrade+0x900/0x900
[  481.146156]  6317
[  481.150997]  ? trace_hardirqs_off+0xb8/0x310
[  481.153207]  6317
[  481.157362]  ? trace_hardirqs_off+0xb8/0x310
[  481.163808]  __alloc_pages_slowpath+0x2667/0x2d80
[  481.165839] Node 0 
[  481.170270]  ? warn_alloc+0x120/0x120
[  481.175089] DMA32 free:25276kB min:30028kB low:37532kB high:45036kB active_anon:12288kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2884608kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  481.177300]  ? trace_hardirqs_on+0x310/0x310
[  481.181075] lowmem_reserve[]:
[  481.207961]  ? warn_alloc+0x120/0x120
[  481.212360]  0
[  481.215469]  ? print_usage_bug+0xc0/0xc0
[  481.219258]  0 3503
[  481.221064]  ? warn_alloc+0x120/0x120
[  481.225105]  3503
[  481.225118] Node 0 
[  481.227366]  ? ktime_get+0x2e1/0x440
[  481.231187] Normal free:13728kB min:37384kB low:46728kB high:56072kB active_anon:477632kB inactive_anon:448kB active_file:64kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3587276kB mlocked:0kB kernel_stack:5408kB pagetables:3184kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  481.233212]  ? print_usage_bug+0xc0/0xc0
[  481.235431] lowmem_reserve[]:
[  481.239146]  ? __lock_acquire+0x7ec/0x4ec0
[  481.267139]  0 0
[  481.271207]  ? __lock_acquire+0x7ec/0x4ec0
[  481.274302]  0
[  481.278532]  ? kasan_check_read+0x11/0x20
[  481.280488]  0
[  481.284724]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  481.286499] Node 0 
[  481.290643]  ? should_fail+0x22d/0xd01
[  481.292420] DMA: 
[  481.297957]  ? rcu_bh_qs+0xc0/0xc0
[  481.300170] 1*4kB 
[  481.304051]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  481.306086] (U) 
[  481.309629]  ? __lock_acquire+0x7ec/0x4ec0
[  481.311754] 0*8kB 
[  481.316850]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  481.318802] 0*16kB 
[  481.323031]  ? __lock_acquire+0x7ec/0x4ec0
[  481.325160] 1*32kB 
[  481.330259]  ? should_fail+0x22d/0xd01
[  481.332470] (U) 
[  481.336703]  ? rcu_idle_enter+0x4b0/0x4b0
[  481.338917] 2*64kB 
[  481.342807]  ? mark_held_locks+0x130/0x130
[  481.344761] (U) 
[  481.348908]  ? mark_held_locks+0x130/0x130
[  481.351124] 1*128kB 
[  481.355361]  ? mark_held_locks+0xc7/0x130
[  481.357313] (U) 
[  481.361805]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  481.364106] 1*256kB 
[  481.368258]  ? graph_lock+0x170/0x170
[  481.370214] (U) 
[  481.375225]  ? print_usage_bug+0xc0/0xc0
[  481.377528] 0*512kB 
[  481.381323]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  481.383275] 1*1024kB 
[  481.387326]  ? check_preemption_disabled+0x48/0x200
[  481.389631] (U) 
[  481.395164]  ? check_preemption_disabled+0x48/0x200
[  481.397555] 1*2048kB 
[  481.402573]  ? __lock_is_held+0xb5/0x140
[  481.404520] (M) 
[  481.410212]  __alloc_pages_nodemask+0xa80/0xde0
[  481.412595] 3*4096kB (M) 
[  481.416664]  ? graph_lock+0x170/0x170
[  481.418639] = 15908kB
[  481.423299]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  481.426031] Node 0 
[  481.429823]  ? graph_lock+0x170/0x170
[  481.432212] DMA32: 
[  481.437231]  ? find_held_lock+0x36/0x1c0
[  481.439440] 5*4kB 
[  481.443244]  ? ____cache_alloc_node+0x1c7/0x1e0
[  481.445450] (UM) 
[  481.449508]  ? lock_downgrade+0x900/0x900
[  481.451639] 1*8kB 
[  481.456306]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  481.458356] (U) 
[  481.462500]  cache_grow_begin+0x91/0x8c0
[  481.464628] 4*16kB 
[  481.470164]  ? do_raw_spin_unlock+0xa7/0x2f0
[  481.472111] (UM) 3*32kB 
[  481.476182]  fallback_alloc+0x203/0x2e0
[  481.478390] (UM) 
[  481.482795]  ____cache_alloc_node+0x1c7/0x1e0
[  481.485442] 4*64kB 
[  481.489415]  kmem_cache_alloc_node+0xe3/0x730
[  481.491453] (M) 
[  481.495944]  ? ipv6_get_ifaddr+0x42e/0x620
[  481.498161] 4*128kB 
[  481.502659]  __alloc_skb+0x119/0x770
[  481.504610] (UM) 
[  481.508841]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  481.511140] 3*256kB 
[  481.514846]  ? skb_scrub_packet+0x490/0x490
[  481.516883] (M) 
[  481.522184]  ? lock_downgrade+0x900/0x900
[  481.524486] 4*512kB 
[  481.528804]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  481.530756] (UM) 
[  481.534907]  ? refcount_sub_and_test_checked+0x203/0x310
[  481.537204] 3*1024kB 
[  481.542735]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  481.544773] (UM) 
[  481.550235]  ? addrconf_rs_timer+0x6f0/0x6f0
[  481.552621] 3*2048kB (UM) 
[  481.558083]  ndisc_alloc_skb+0x144/0x340
[  481.560113] 3*4096kB (M) 
[  481.564528]  ndisc_send_rs+0x331/0x6e0
[  481.567354] = 25276kB
[  481.567363] Node 0 
[  481.571421]  addrconf_rs_timer+0x3c0/0x6f0
[  481.574148] Normal: 1058*4kB 
[  481.578039]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  481.580423] (UMEH) 
[  481.582669]  call_timer_fn+0x272/0x920
[  481.586873] 417*8kB 
[  481.589972]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  481.594178] (UMEH) 179*16kB 
[  481.596422]  ? process_timeout+0x40/0x40
[  481.600280] (UME) 63*32kB 
[  481.602612]  ? find_held_lock+0x36/0x1c0
[  481.606827] (UMEH) 
[  481.609844]  ? __run_timers+0x7da/0xc70
[  481.613870] 21*64kB (UMH) 
[  481.616729]  ? _raw_spin_unlock_irq+0x27/0x80
[  481.620764] 2*128kB 
[  481.622997]  ? _raw_spin_unlock_irq+0x27/0x80
[  481.626944] (MH) 
[  481.629783]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  481.634256] 0*256kB 
[  481.636575]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  481.641043] 0*512kB 
[  481.643110]  ? trace_hardirqs_on+0xbd/0x310
[  481.647322] 0*1024kB 
[  481.649647]  ? kasan_check_read+0x11/0x20
[  481.654198] 0*2048kB 0*4096kB 
[  481.656530]  ? __run_timers+0x7da/0xc70
[  481.660825] = 14048kB
[  481.663232]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  481.667370] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  481.670553]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  481.674506] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  481.676904]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  481.682329] 164 total pagecache pages
[  481.691181]  __run_timers+0x7e5/0xc70
[  481.695396] 0 pages in swap cache
[  481.703972]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  481.708177] Swap cache stats: add 0, delete 0, find 0/0
[  481.711972]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  481.715747] Free swap  = 0kB
[  481.715756] Total swap = 0kB
[  481.719204]  ? graph_lock+0x170/0x170
[  481.719221]  ? enqueue_hrtimer+0x1a5/0x560
[  481.724577] 1965979 pages RAM
[  481.729937]  ? lock_release+0x970/0x970
[  481.734928] 0 pages HighMem/MovableOnly
[  481.734937] 344031 pages reserved
[  481.737950]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  481.740940] 0 pages cma reserved
[  481.741018] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  481.744754]  ? find_held_lock+0x36/0x1c0
[  481.749062] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  481.752069]  ? graph_lock+0x170/0x170
[  481.756023] syz-executor4 cpuset=
[  481.759991]  ? pvclock_read_flags+0x160/0x160
[  481.763423] syz4
[  481.768610]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  481.771960]  mems_allowed=0
[  481.778444]  ? check_preemption_disabled+0x48/0x200
[  481.820062]  ? __lock_is_held+0xb5/0x140
[  481.824132]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  481.829669]  ? check_preemption_disabled+0x48/0x200
[  481.834703]  run_timer_softirq+0x52/0xb0
[  481.838766]  ? rcu_read_lock_sched_held+0x108/0x120
[  481.843784]  __do_softirq+0x30b/0xad8
[  481.847601]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  481.852717]  ? pvclock_read_flags+0x160/0x160
[  481.857215]  ? lapic_next_event+0x5a/0x90
[  481.861375]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  481.866919]  ? check_preemption_disabled+0x48/0x200
[  481.871938]  ? check_preemption_disabled+0x48/0x200
[  481.876962]  ? kvm_clock_read+0x18/0x30
[  481.880936]  ? kvm_sched_clock_read+0x9/0x20
[  481.885358]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  481.890898]  ? check_preemption_disabled+0x48/0x200
[  481.895928]  irq_exit+0x17f/0x1c0
[  481.899385]  smp_apic_timer_interrupt+0x1cb/0x760
[  481.904226]  ? smp_reschedule_interrupt+0x109/0x650
[  481.909257]  ? smp_call_function_single_interrupt+0x650/0x650
[  481.915147]  ? interrupt_entry+0xb5/0xf0
[  481.919211]  ? trace_hardirqs_off_caller+0xbb/0x310
[  481.924228]  ? trace_hardirqs_off_caller+0xbb/0x310
[  481.929250]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  481.934098]  ? trace_hardirqs_on_caller+0x310/0x310
[  481.939125]  ? trace_hardirqs_on_caller+0x310/0x310
[  481.944143]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  481.949684]  ? check_preemption_disabled+0x48/0x200
[  481.954702]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  481.960260]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  481.965134]  apic_timer_interrupt+0xf/0x20
[  481.969368]  </IRQ>
[  481.971633] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  481.976579] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  481.995483] RSP: 0000:ffff8801866cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  482.003224] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  482.010491] RDX: 0000000000000000 RSI: ffff8801ce554f00 RDI: 0000000000000286
[  482.017761] RBP: ffff8801866cf7b0 R08: ffff8801ce554680 R09: 0000000000000000
[  482.025029] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  482.032350] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  482.039660]  skb_clone+0x1bb/0x500
[  482.043208]  ? finish_task_switch+0x2f5/0x900
[  482.047710]  ? skb_split+0x11e0/0x11e0
[  482.051601]  ? preempt_notifier_register+0x200/0x200
[  482.056719]  ? __switch_to_asm+0x34/0x70
[  482.060798]  ? __switch_to_asm+0x34/0x70
[  482.064875]  ? __switch_to_asm+0x40/0x70
[  482.068953]  ? __switch_to_asm+0x34/0x70
[  482.073014]  ? __switch_to_asm+0x40/0x70
[  482.077077]  ? __switch_to_asm+0x34/0x70
[  482.081143]  ? __switch_to_asm+0x40/0x70
[  482.085206]  ? __switch_to_asm+0x34/0x70
[  482.089285]  ? __switch_to_asm+0x34/0x70
[  482.093355]  ? __switch_to_asm+0x40/0x70
[  482.097423]  ? __switch_to_asm+0x34/0x70
[  482.101495]  bpf_clone_redirect+0xb9/0x490
[  482.105735]  ? __schedule+0x874/0x1ed0
[  482.109635]  bpf_prog_3d1649e183dc2cc1+0x379/0x1000
[  482.114663]  ? __sched_text_start+0x8/0x8
[  482.118818]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  482.123586]  ? find_held_lock+0x36/0x1c0
[  482.127659]  ? lock_acquire+0x1ed/0x520
[  482.131639]  ? bpf_test_run+0x32e/0x5a0
[  482.135620]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  482.141158]  ? check_preemption_disabled+0x48/0x200
[  482.146197]  ? kasan_check_read+0x11/0x20
[  482.150360]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  482.155644]  ? rcu_bh_qs+0xc0/0xc0
[  482.159229]  ? preempt_schedule+0x4d/0x60
[  482.163382]  ? ___preempt_schedule+0x16/0x18
[  482.167799]  ? bpf_test_run+0x1c0/0x5a0
[  482.171790]  ? netlink_diag_dump+0x2a0/0x2a0
[  482.176203]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  482.181742]  ? bpf_test_init.isra.9+0x70/0x100
[  482.186362]  ? bpf_prog_test_run_skb+0x634/0xb40
[  482.191139]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  482.195986]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  482.201526]  ? fput+0x130/0x1a0
[  482.204810]  ? __bpf_prog_get+0x9b/0x290
[  482.208879]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  482.213720]  ? bpf_prog_test_run+0x130/0x1a0
[  482.218143]  ? __x64_sys_bpf+0x3d8/0x510
[  482.222207]  ? bpf_prog_get+0x20/0x20
[  482.226034]  ? do_syscall_64+0x1b9/0x820
[  482.230102]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  482.235479]  ? syscall_return_slowpath+0x5e0/0x5e0
[  482.240410]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  482.245260]  ? trace_hardirqs_on_caller+0x310/0x310
[  482.250279]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  482.255302]  ? prepare_exit_to_usermode+0x291/0x3b0
[  482.260331]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  482.265196]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  482.270584] CPU: 0 PID: 11399 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  482.270654] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  482.277948] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  482.277953] Call Trace:
[  482.277960]  <IRQ>
[  482.277978]  dump_stack+0x1c4/0x2b4
[  482.277998]  ? dump_stack_print_info.cold.2+0x52/0x52
[  482.284537] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  482.293838]  warn_alloc.cold.119+0xb7/0x1bd
[  482.296391] syz-executor4 cpuset=
[  482.298541]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  482.302143] syz4
[  482.307330]  ? lock_downgrade+0x900/0x900
[  482.317798]  mems_allowed=0
[  482.322116]  ? trace_hardirqs_off+0xb8/0x310
[  482.343813]  ? trace_hardirqs_off+0xb8/0x310
[  482.348249]  __alloc_pages_slowpath+0x2667/0x2d80
[  482.353133]  ? warn_alloc+0x120/0x120
[  482.356943]  ? trace_hardirqs_on+0x310/0x310
[  482.361364]  ? warn_alloc+0x120/0x120
[  482.365409]  ? print_usage_bug+0xc0/0xc0
[  482.369476]  ? warn_alloc+0x120/0x120
[  482.373281]  ? ktime_get+0x2e1/0x440
[  482.377000]  ? print_usage_bug+0xc0/0xc0
[  482.381079]  ? __lock_acquire+0x7ec/0x4ec0
[  482.385328]  ? __lock_acquire+0x7ec/0x4ec0
[  482.389576]  ? kasan_check_read+0x11/0x20
[  482.393732]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  482.399278]  ? should_fail+0x22d/0xd01
[  482.403168]  ? rcu_bh_qs+0xc0/0xc0
[  482.406718]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  482.411825]  ? __lock_acquire+0x7ec/0x4ec0
[  482.416069]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  482.421172]  ? __lock_acquire+0x7ec/0x4ec0
[  482.425422]  ? should_fail+0x22d/0xd01
[  482.429315]  ? rcu_idle_enter+0x4b0/0x4b0
[  482.433485]  ? mark_held_locks+0x130/0x130
[  482.437725]  ? mark_held_locks+0x130/0x130
[  482.442011]  ? mark_held_locks+0xc7/0x130
[  482.446159]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  482.451175]  ? graph_lock+0x170/0x170
[  482.454989]  ? print_usage_bug+0xc0/0xc0
[  482.459061]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  482.464598]  ? check_preemption_disabled+0x48/0x200
[  482.469640]  ? check_preemption_disabled+0x48/0x200
[  482.474716]  ? __lock_is_held+0xb5/0x140
[  482.478791]  __alloc_pages_nodemask+0xa80/0xde0
[  482.483465]  ? graph_lock+0x170/0x170
[  482.487285]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  482.492319]  ? graph_lock+0x170/0x170
[  482.496142]  ? find_held_lock+0x36/0x1c0
[  482.500425]  ? ____cache_alloc_node+0x1c7/0x1e0
[  482.505839]  ? lock_downgrade+0x900/0x900
[  482.509999]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  482.515550]  cache_grow_begin+0x91/0x8c0
[  482.519620]  ? do_raw_spin_unlock+0xa7/0x2f0
[  482.524037]  fallback_alloc+0x203/0x2e0
[  482.528024]  ____cache_alloc_node+0x1c7/0x1e0
[  482.532532]  kmem_cache_alloc_node+0xe3/0x730
[  482.537034]  ? ipv6_get_ifaddr+0x42e/0x620
[  482.541285]  __alloc_skb+0x119/0x770
[  482.545006]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  482.550292]  ? skb_scrub_packet+0x490/0x490
[  482.554626]  ? lock_downgrade+0x900/0x900
[  482.558791]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  482.564338]  ? refcount_sub_and_test_checked+0x203/0x310
[  482.569807]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  482.575259]  ? addrconf_rs_timer+0x6f0/0x6f0
[  482.579684]  ndisc_alloc_skb+0x144/0x340
[  482.583751]  ndisc_send_rs+0x331/0x6e0
[  482.587647]  addrconf_rs_timer+0x3c0/0x6f0
[  482.591890]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  482.596152]  call_timer_fn+0x272/0x920
[  482.600047]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  482.604286]  ? process_timeout+0x40/0x40
[  482.608360]  ? find_held_lock+0x36/0x1c0
[  482.612454]  ? __run_timers+0x7da/0xc70
[  482.616439]  ? _raw_spin_unlock_irq+0x27/0x80
[  482.620935]  ? _raw_spin_unlock_irq+0x27/0x80
[  482.625430]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  482.629672]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  482.634268]  ? trace_hardirqs_on+0xbd/0x310
[  482.638584]  ? kasan_check_read+0x11/0x20
[  482.642739]  ? __run_timers+0x7da/0xc70
[  482.646715]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  482.652170]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  482.656411]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  482.660652]  __run_timers+0x7e5/0xc70
[  482.664467]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  482.669833]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  482.674854]  ? graph_lock+0x170/0x170
[  482.678660]  ? enqueue_hrtimer+0x1a5/0x560
[  482.682893]  ? lock_release+0x970/0x970
[  482.686875]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  482.692073]  ? find_held_lock+0x36/0x1c0
[  482.696146]  ? graph_lock+0x170/0x170
[  482.699952]  ? pvclock_read_flags+0x160/0x160
[  482.704454]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  482.710020]  ? check_preemption_disabled+0x48/0x200
[  482.715058]  ? __lock_is_held+0xb5/0x140
[  482.719129]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  482.724669]  ? check_preemption_disabled+0x48/0x200
[  482.729694]  run_timer_softirq+0x52/0xb0
[  482.733858]  ? rcu_read_lock_sched_held+0x108/0x120
[  482.738875]  __do_softirq+0x30b/0xad8
[  482.742746]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  482.747862]  ? pvclock_read_flags+0x160/0x160
[  482.752369]  ? lapic_next_event+0x5a/0x90
[  482.756520]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  482.762058]  ? check_preemption_disabled+0x48/0x200
[  482.767090]  ? check_preemption_disabled+0x48/0x200
[  482.772128]  ? kvm_clock_read+0x18/0x30
[  482.776105]  ? kvm_sched_clock_read+0x9/0x20
[  482.780521]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  482.786059]  ? check_preemption_disabled+0x48/0x200
[  482.791090]  irq_exit+0x17f/0x1c0
[  482.794550]  smp_apic_timer_interrupt+0x1cb/0x760
[  482.799394]  ? smp_reschedule_interrupt+0x109/0x650
[  482.804414]  ? smp_call_function_single_interrupt+0x650/0x650
[  482.810305]  ? interrupt_entry+0xb5/0xf0
[  482.814379]  ? trace_hardirqs_off_caller+0xbb/0x310
[  482.819399]  ? trace_hardirqs_off_caller+0xbb/0x310
[  482.824421]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  482.829268]  ? trace_hardirqs_on_caller+0x310/0x310
[  482.834310]  ? trace_hardirqs_on_caller+0x310/0x310
[  482.839389]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  482.844945]  ? check_preemption_disabled+0x48/0x200
[  482.849969]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  482.855519]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  482.860377]  apic_timer_interrupt+0xf/0x20
[  482.864612]  </IRQ>
[  482.866852] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  482.871784] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  482.890687] RSP: 0000:ffff8801ba62f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  482.898399] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  482.905671] RDX: 0000000000000000 RSI: ffff8801b881aa80 RDI: 0000000000000286
[  482.912939] RBP: ffff8801ba62f7b0 R08: ffff8801b881a200 R09: 0000000000000000
[  482.920210] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  482.927480] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  482.934799]  skb_clone+0x1bb/0x500
[  482.938354]  ? finish_task_switch+0x1b5/0x900
[  482.942855]  ? skb_split+0x11e0/0x11e0
[  482.946748]  ? preempt_notifier_register+0x200/0x200
[  482.951854]  ? __switch_to_asm+0x34/0x70
[  482.955917]  ? __switch_to_asm+0x34/0x70
[  482.959987]  ? __switch_to_asm+0x40/0x70
[  482.964048]  ? __switch_to_asm+0x34/0x70
[  482.968110]  ? __switch_to_asm+0x40/0x70
[  482.972183]  ? __switch_to_asm+0x34/0x70
[  482.976253]  ? __switch_to_asm+0x40/0x70
[  482.980336]  ? __switch_to_asm+0x34/0x70
[  482.984423]  ? __switch_to_asm+0x34/0x70
[  482.988559]  ? __switch_to_asm+0x40/0x70
[  482.992627]  ? __switch_to_asm+0x34/0x70
[  482.996700]  bpf_clone_redirect+0xb9/0x490
[  483.000940]  ? __schedule+0x874/0x1ed0
[  483.004837]  bpf_prog_3d1649e183dc2cc1+0xcce/0x1000
[  483.009857]  ? __sched_text_start+0x8/0x8
[  483.014013]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  483.018780]  ? find_held_lock+0x36/0x1c0
[  483.022853]  ? lock_acquire+0x1ed/0x520
[  483.026831]  ? bpf_test_run+0x32e/0x5a0
[  483.030807]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  483.036354]  ? check_preemption_disabled+0x48/0x200
[  483.041386]  ? kasan_check_read+0x11/0x20
[  483.045541]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  483.050821]  ? rcu_bh_qs+0xc0/0xc0
[  483.054370]  ? preempt_schedule+0x4d/0x60
[  483.058539]  ? ___preempt_schedule+0x16/0x18
[  483.062957]  ? bpf_test_run+0x1c0/0x5a0
[  483.066944]  ? netlink_diag_dump+0x2a0/0x2a0
[  483.071367]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  483.076911]  ? bpf_test_init.isra.9+0x70/0x100
[  483.081501]  ? bpf_prog_test_run_skb+0x634/0xb40
[  483.086272]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  483.091114]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  483.096654]  ? fput+0x130/0x1a0
[  483.099935]  ? __bpf_prog_get+0x9b/0x290
[  483.104004]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  483.108850]  ? bpf_prog_test_run+0x130/0x1a0
[  483.113266]  ? __x64_sys_bpf+0x3d8/0x510
[  483.117326]  ? bpf_prog_get+0x20/0x20
[  483.121251]  ? do_syscall_64+0x1b9/0x820
[  483.125317]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  483.130691]  ? syscall_return_slowpath+0x5e0/0x5e0
[  483.135628]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  483.140489]  ? trace_hardirqs_on_caller+0x310/0x310
[  483.145520]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  483.150540]  ? prepare_exit_to_usermode+0x291/0x3b0
[  483.155568]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  483.160426]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  483.165810] warn_alloc_show_mem: 1 callbacks suppressed
[  483.165823] CPU: 1 PID: 11390 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  483.165825] Mem-Info:
[  483.165856] active_anon:122480 inactive_anon:112 isolated_anon:0
[  483.165856]  active_file:16 inactive_file:5 isolated_file:0
[  483.165856]  unevictable:0 dirty:0 writeback:0 unstable:0
[  483.165856]  slab_reclaimable:9164 slab_unreclaimable:1399977
[  483.165856]  mapped:40962 shmem:118 pagetables:796 bounce:0
[  483.165856]  free:13728 free_pcp:0 free_cma:0
[  483.171200] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  483.178567] Node 0 active_anon:489920kB inactive_anon:448kB active_file:64kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:472kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 471040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  483.180968] Call Trace:
[  483.213662] Node 0 
[  483.223009]  <IRQ>
[  483.250517] 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
[  483.253079]  dump_stack+0x1c4/0x2b4
[  483.255281] lowmem_reserve[]: 0
[  483.257438]  ? dump_stack_print_info.cold.2+0x52/0x52
[  483.282924]  2813 6317
[  483.286573]  warn_alloc.cold.119+0xb7/0x1bd
[  483.289812]  6317
[  483.295005]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  483.297479] Node 0 
[  483.301817]  ? lock_downgrade+0x900/0x900
[  483.303880] DMA32 free:25276kB min:30028kB low:37532kB high:45036kB active_anon:12288kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2884608kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  483.308697]  ? trace_hardirqs_off+0xb8/0x310
[  483.310903] lowmem_reserve[]: 0
[  483.315057]  ? trace_hardirqs_off+0xb8/0x310
[  483.341931]  0 3503
[  483.346361]  __alloc_pages_slowpath+0x2667/0x2d80
[  483.349611]  3503
[  483.354034]  ? warn_alloc+0x120/0x120
[  483.356222] Node 0 
[  483.361062]  ? lock_release+0x970/0x970
[  483.363130] Normal free:13728kB min:37384kB low:46728kB high:56072kB active_anon:477632kB inactive_anon:448kB active_file:64kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3587276kB mlocked:0kB kernel_stack:5408kB pagetables:3184kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  483.366901]  ? warn_alloc+0x120/0x120
[  483.369113] lowmem_reserve[]: 0
[  483.373096]  ? print_usage_bug+0xc0/0xc0
[  483.401085]  0 0
[  483.404898]  ? warn_alloc+0x120/0x120
[  483.408153]  0
[  483.412208]  ? print_usage_bug+0xc0/0xc0
[  483.417954]  ? __lock_acquire+0x7ec/0x4ec0
[  483.419737] Node 0 
[  483.423791]  ? __lock_acquire+0x7ec/0x4ec0
[  483.428004] DMA: 
[  483.430238]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  483.430256]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  483.434473] 1*4kB 
[  483.436532]  ? should_fail+0x22d/0xd01
[  483.442042] (U) 
[  483.447663]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  483.449785] 0*8kB 
[  483.453666]  ? __lock_acquire+0x7ec/0x4ec0
[  483.455652] 0*16kB 
[  483.460756]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  483.462901] 1*32kB 
[  483.467134]  ? __lock_acquire+0x7ec/0x4ec0
[  483.469359] (U) 
[  483.474462]  ? should_fail+0x22d/0xd01
[  483.476677] 2*64kB 
[  483.480913]  ? mark_held_locks+0x130/0x130
[  483.482862] (U) 
[  483.486746]  ? mark_held_locks+0x130/0x130
[  483.488960] 1*128kB 
[  483.493184]  ? graph_lock+0x170/0x170
[  483.495137] (U) 
[  483.499372]  ? print_usage_bug+0xc0/0xc0
[  483.501672] 1*256kB 
[  483.505464]  ? graph_lock+0x170/0x170
[  483.507416] (U) 
[  483.511469]  ? print_usage_bug+0xc0/0xc0
[  483.513768] 0*512kB 
[  483.517561]  ? wq_watchdog_touch+0x9c/0xfe
[  483.519516] 1*1024kB 
[  483.523574]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  483.525880] (U) 
[  483.530118]  ? check_preemption_disabled+0x48/0x200
[  483.532499] 1*2048kB 
[  483.538028]  ? check_preemption_disabled+0x48/0x200
[  483.539978] (M) 
[  483.544995]  ? __lock_is_held+0xb5/0x140
[  483.547380] 3*4096kB 
[  483.552393]  __alloc_pages_nodemask+0xa80/0xde0
[  483.554355] (M) 
[  483.558411]  ? graph_lock+0x170/0x170
[  483.560792] = 15908kB
[  483.560800] Node 0 
[  483.565471]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  483.567419] DMA32: 
[  483.571214]  ? graph_lock+0x170/0x170
[  483.573604] 5*4kB 
[  483.575845]  ? find_held_lock+0x36/0x1c0
[  483.580832] (UM) 
[  483.583076]  ? ____cache_alloc_node+0x1c7/0x1e0
[  483.586843] 1*8kB (U) 
[  483.589002]  ? lock_downgrade+0x900/0x900
[  483.593038] 4*16kB 
[  483.595101]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  483.599743] (UM) 
[  483.602242]  cache_grow_begin+0x91/0x8c0
[  483.606372] 3*32kB 
[  483.608608]  ? do_raw_spin_unlock+0xa7/0x2f0
[  483.614128] (UM) 
[  483.616193]  fallback_alloc+0x203/0x2e0
[  483.620228] 4*64kB 
[  483.622463]  ____cache_alloc_node+0x1c7/0x1e0
[  483.626842] (M) 
[  483.628906]  kmem_cache_alloc_node+0xe3/0x730
[  483.632849] 4*128kB (UM) 
[  483.635090]  ? ipv6_get_ifaddr+0x42e/0x620
[  483.639557] 3*256kB (M) 
[  483.641546]  __alloc_skb+0x119/0x770
[  483.646010] 4*512kB 
[  483.648767]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  483.652970] (UM) 
[  483.655639]  ? skb_scrub_packet+0x490/0x490
[  483.659326] 3*1024kB 
[  483.661649]  ? lock_downgrade+0x900/0x900
[  483.666898] (UM) 
[  483.668961]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  483.673251] 3*2048kB 
[  483.675676]  ? refcount_sub_and_test_checked+0x203/0x310
[  483.679795] (UM) 
[  483.681856]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  483.687372] 3*4096kB 
[  483.689776]  ? addrconf_rs_timer+0x6f0/0x6f0
[  483.695204] (M) 
[  483.697272]  ndisc_alloc_skb+0x144/0x340
[  483.702692] = 25276kB
[  483.705098]  ndisc_send_rs+0x331/0x6e0
[  483.709487] Node 0 
[  483.711461]  addrconf_rs_timer+0x3c0/0x6f0
[  483.715502] Normal: 
[  483.717912]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  483.721779] 1058*4kB 
[  483.724024]  call_timer_fn+0x272/0x920
[  483.728222] (UMEH) 
[  483.730543]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  483.734753] 417*8kB 
[  483.737157]  ? process_timeout+0x40/0x40
[  483.741018] (UMEH) 
[  483.743254]  ? find_held_lock+0x36/0x1c0
[  483.747457] 179*16kB (UME) 
[  483.749792]  ? __run_timers+0x7da/0xc70
[  483.753823] 63*32kB 
[  483.756064]  ? _raw_spin_unlock_irq+0x27/0x80
[  483.760096] (UMEH) 
[  483.763026]  ? _raw_spin_unlock_irq+0x27/0x80
[  483.766973] 21*64kB 
[  483.769294]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  483.773768] (UMH) 
[  483.775999]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  483.780474] 2*128kB 
[  483.782796]  ? trace_hardirqs_on+0xbd/0x310
[  483.786996] (MH) 0*256kB 
[  483.789148]  ? kasan_check_read+0x11/0x20
[  483.793703] 0*512kB 
[  483.796025]  ? __run_timers+0x7da/0xc70
[  483.800321] 0*1024kB 
[  483.803080]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  483.807199] 0*2048kB 0*4096kB 
[  483.809546]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  483.813485] = 14048kB
[  483.815893]  __run_timers+0x7e5/0xc70
[  483.821323] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  483.824512]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  483.828724] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  483.831135]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  483.834919] 164 total pagecache pages
[  483.844496]  ? graph_lock+0x170/0x170
[  483.849846] 0 pages in swap cache
[  483.858424]  ? enqueue_hrtimer+0x1a5/0x560
[  483.863414] Swap cache stats: add 0, delete 0, find 0/0
[  483.867231]  ? lock_release+0x970/0x970
[  483.871003] Free swap  = 0kB
[  483.874451]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  483.878660] Total swap = 0kB
[  483.884020]  ? find_held_lock+0x36/0x1c0
[  483.887964] 1965979 pages RAM
[  483.890977]  ? graph_lock+0x170/0x170
[  483.896137] 0 pages HighMem/MovableOnly
[  483.896146] 344031 pages reserved
[  483.899169]  ? pvclock_read_flags+0x160/0x160
[  483.903202] 0 pages cma reserved
[  483.906304]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  483.910167] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  483.914056]  ? check_preemption_disabled+0x48/0x200
[  483.917794] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  483.922078]  ? __lock_is_held+0xb5/0x140
[  483.925414] syz-executor4 cpuset=
[  483.930967]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  483.937438] syz4
[  483.942450]  ? check_preemption_disabled+0x48/0x200
[  483.952918]  mems_allowed=0
[  483.957005]  run_timer_softirq+0x52/0xb0
[  483.979900]  ? rcu_read_lock_sched_held+0x108/0x120
[  483.984923]  __do_softirq+0x30b/0xad8
[  483.988738]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  483.993848]  ? pvclock_read_flags+0x160/0x160
[  483.998356]  ? lapic_next_event+0x5a/0x90
[  484.002509]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  484.008047]  ? check_preemption_disabled+0x48/0x200
[  484.013064]  ? check_preemption_disabled+0x48/0x200
[  484.018088]  ? kvm_clock_read+0x18/0x30
[  484.022073]  ? kvm_sched_clock_read+0x9/0x20
[  484.026490]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  484.032030]  ? check_preemption_disabled+0x48/0x200
[  484.037066]  irq_exit+0x17f/0x1c0
[  484.040530]  smp_apic_timer_interrupt+0x1cb/0x760
[  484.045382]  ? smp_reschedule_interrupt+0x109/0x650
[  484.050404]  ? smp_call_function_single_interrupt+0x650/0x650
[  484.056294]  ? interrupt_entry+0xb5/0xf0
[  484.060365]  ? trace_hardirqs_off_caller+0xbb/0x310
[  484.065386]  ? trace_hardirqs_off_caller+0xbb/0x310
[  484.070406]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  484.075257]  ? trace_hardirqs_on_caller+0x310/0x310
[  484.080272]  ? trace_hardirqs_on_caller+0x310/0x310
[  484.085292]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  484.090832]  ? check_preemption_disabled+0x48/0x200
[  484.095848]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  484.101406]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  484.106282]  apic_timer_interrupt+0xf/0x20
[  484.110517]  </IRQ>
[  484.112761] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  484.117697] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  484.136597] RSP: 0000:ffff8801866cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  484.144307] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  484.151573] RDX: 0000000000000000 RSI: ffff8801ce554f00 RDI: 0000000000000286
[  484.158843] RBP: ffff8801866cf7b0 R08: ffff8801ce554680 R09: 0000000000000000
[  484.166115] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  484.173383] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  484.180699]  skb_clone+0x1bb/0x500
[  484.184245]  ? finish_task_switch+0x2f5/0x900
[  484.188745]  ? skb_split+0x11e0/0x11e0
[  484.192636]  ? preempt_notifier_register+0x200/0x200
[  484.197741]  ? __switch_to_asm+0x34/0x70
[  484.201805]  ? __switch_to_asm+0x34/0x70
[  484.205871]  ? __switch_to_asm+0x40/0x70
[  484.209934]  ? __switch_to_asm+0x34/0x70
[  484.213999]  ? __switch_to_asm+0x40/0x70
[  484.218062]  ? __switch_to_asm+0x34/0x70
[  484.222132]  ? __switch_to_asm+0x40/0x70
[  484.226196]  ? __switch_to_asm+0x34/0x70
[  484.230277]  ? __switch_to_asm+0x34/0x70
[  484.234340]  ? __switch_to_asm+0x40/0x70
[  484.238414]  ? __switch_to_asm+0x34/0x70
[  484.242489]  bpf_clone_redirect+0xb9/0x490
[  484.246729]  ? __schedule+0x874/0x1ed0
[  484.250624]  bpf_prog_3d1649e183dc2cc1+0x379/0x1000
[  484.255645]  ? __sched_text_start+0x8/0x8
[  484.259806]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  484.264581]  ? find_held_lock+0x36/0x1c0
[  484.268664]  ? lock_acquire+0x1ed/0x520
[  484.272643]  ? bpf_test_run+0x32e/0x5a0
[  484.276625]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  484.282169]  ? check_preemption_disabled+0x48/0x200
[  484.287195]  ? kasan_check_read+0x11/0x20
[  484.291356]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  484.296643]  ? rcu_bh_qs+0xc0/0xc0
[  484.300188]  ? preempt_schedule+0x4d/0x60
[  484.304340]  ? ___preempt_schedule+0x16/0x18
[  484.308776]  ? bpf_test_run+0x1c0/0x5a0
[  484.312769]  ? netlink_diag_dump+0x2a0/0x2a0
[  484.317188]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  484.322731]  ? bpf_test_init.isra.9+0x70/0x100
[  484.327321]  ? bpf_prog_test_run_skb+0x634/0xb40
[  484.332097]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  484.336964]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  484.342503]  ? fput+0x130/0x1a0
[  484.345788]  ? __bpf_prog_get+0x9b/0x290
[  484.349855]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  484.354705]  ? bpf_prog_test_run+0x130/0x1a0
[  484.359129]  ? __x64_sys_bpf+0x3d8/0x510
[  484.363197]  ? bpf_prog_get+0x20/0x20
[  484.367317]  ? do_syscall_64+0x1b9/0x820
[  484.371422]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  484.376825]  ? syscall_return_slowpath+0x5e0/0x5e0
[  484.381760]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  484.386615]  ? trace_hardirqs_on_caller+0x310/0x310
[  484.391635]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  484.396656]  ? prepare_exit_to_usermode+0x291/0x3b0
[  484.401698]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  484.406571]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  484.411960] CPU: 0 PID: 11399 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  484.412051] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  484.419320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  484.419325] Call Trace:
[  484.419333]  <IRQ>
[  484.419361]  dump_stack+0x1c4/0x2b4
[  484.419380]  ? dump_stack_print_info.cold.2+0x52/0x52
[  484.425913] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  484.435218]  warn_alloc.cold.119+0xb7/0x1bd
[  484.437777] syz-executor4 cpuset=
[  484.439923]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  484.443528] syz4
[  484.448719]  ? lock_downgrade+0x900/0x900
[  484.459180]  mems_allowed=0
[  484.463504]  ? trace_hardirqs_off+0xb8/0x310
[  484.485466]  ? trace_hardirqs_off+0xb8/0x310
[  484.489890]  __alloc_pages_slowpath+0x2667/0x2d80
[  484.494766]  ? warn_alloc+0x120/0x120
[  484.498796]  ? warn_alloc+0x120/0x120
[  484.502637]  ? print_usage_bug+0xc0/0xc0
[  484.506721]  ? warn_alloc+0x120/0x120
[  484.510531]  ? print_usage_bug+0xc0/0xc0
[  484.514797]  ? __lock_acquire+0x7ec/0x4ec0
[  484.519035]  ? graph_lock+0x170/0x170
[  484.522841]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  484.528386]  ? should_fail+0x22d/0xd01
[  484.532286]  ? __lock_acquire+0x7ec/0x4ec0
[  484.536528]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  484.541637]  ? __lock_acquire+0x7ec/0x4ec0
[  484.545886]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  484.551021]  ? __lock_acquire+0x7ec/0x4ec0
[  484.555298]  ? should_fail+0x22d/0xd01
[  484.559274]  ? mark_held_locks+0x130/0x130
[  484.563531]  ? mark_held_locks+0x130/0x130
[  484.567786]  ? select_task_rq_fair+0x754/0x34f0
[  484.572459]  ? lock_downgrade+0x900/0x900
[  484.576617]  ? check_preemption_disabled+0x48/0x200
[  484.581637]  ? graph_lock+0x170/0x170
[  484.585440]  ? print_usage_bug+0xc0/0xc0
[  484.589512]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  484.595057]  ? check_preemption_disabled+0x48/0x200
[  484.600096]  ? check_preemption_disabled+0x48/0x200
[  484.605131]  ? __lock_is_held+0xb5/0x140
[  484.609229]  __alloc_pages_nodemask+0xa80/0xde0
[  484.613926]  ? graph_lock+0x170/0x170
[  484.617763]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  484.622785]  ? graph_lock+0x170/0x170
[  484.626619]  ? find_held_lock+0x36/0x1c0
[  484.630697]  ? ____cache_alloc_node+0x1c7/0x1e0
[  484.635397]  ? lock_downgrade+0x900/0x900
[  484.639570]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  484.645114]  cache_grow_begin+0x91/0x8c0
[  484.649177]  ? do_raw_spin_unlock+0xa7/0x2f0
[  484.653597]  fallback_alloc+0x203/0x2e0
[  484.657590]  ____cache_alloc_node+0x1c7/0x1e0
[  484.662102]  kmem_cache_alloc_node+0xe3/0x730
[  484.666602]  ? ipv6_get_ifaddr+0x42e/0x620
[  484.670861]  __alloc_skb+0x119/0x770
[  484.674580]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  484.679901]  ? skb_scrub_packet+0x490/0x490
[  484.684227]  ? lock_downgrade+0x900/0x900
[  484.688406]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  484.693952]  ? refcount_sub_and_test_checked+0x203/0x310
[  484.699413]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  484.704867]  ? addrconf_rs_timer+0x6f0/0x6f0
[  484.709292]  ndisc_alloc_skb+0x144/0x340
[  484.713366]  ndisc_send_rs+0x331/0x6e0
[  484.717267]  addrconf_rs_timer+0x3c0/0x6f0
[  484.721514]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  484.725775]  call_timer_fn+0x272/0x920
[  484.729693]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  484.733931]  ? process_timeout+0x40/0x40
[  484.737992]  ? find_held_lock+0x36/0x1c0
[  484.742064]  ? __run_timers+0x7da/0xc70
[  484.746045]  ? _raw_spin_unlock_irq+0x27/0x80
[  484.750541]  ? _raw_spin_unlock_irq+0x27/0x80
[  484.755036]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  484.759277]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  484.763862]  ? trace_hardirqs_on+0xbd/0x310
[  484.768189]  ? kasan_check_read+0x11/0x20
[  484.772342]  ? __run_timers+0x7da/0xc70
[  484.776369]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  484.781841]  ? tcp_compressed_ack_kick+0x220/0x220
[  484.786778]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  484.791015]  __run_timers+0x7e5/0xc70
[  484.794836]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  484.800207]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  484.805229]  ? graph_lock+0x170/0x170
[  484.809037]  ? enqueue_hrtimer+0x1a5/0x560
[  484.813273]  ? lock_release+0x970/0x970
[  484.817248]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  484.822451]  ? find_held_lock+0x36/0x1c0
[  484.826522]  ? graph_lock+0x170/0x170
[  484.830328]  ? pvclock_read_flags+0x160/0x160
[  484.835048]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  484.840615]  ? check_preemption_disabled+0x48/0x200
[  484.845659]  ? __lock_is_held+0xb5/0x140
[  484.849726]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  484.855284]  ? check_preemption_disabled+0x48/0x200
[  484.860329]  run_timer_softirq+0x52/0xb0
[  484.864408]  ? rcu_read_lock_sched_held+0x108/0x120
[  484.869701]  __do_softirq+0x30b/0xad8
[  484.873578]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  484.878738]  ? pvclock_read_flags+0x160/0x160
[  484.883245]  ? lapic_next_event+0x5a/0x90
[  484.887427]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  484.892980]  ? check_preemption_disabled+0x48/0x200
[  484.898014]  ? check_preemption_disabled+0x48/0x200
[  484.903037]  ? kvm_clock_read+0x18/0x30
[  484.907014]  ? kvm_sched_clock_read+0x9/0x20
[  484.911442]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  484.917000]  ? check_preemption_disabled+0x48/0x200
[  484.922030]  irq_exit+0x17f/0x1c0
[  484.925505]  smp_apic_timer_interrupt+0x1cb/0x760
[  484.930372]  ? smp_reschedule_interrupt+0x109/0x650
[  484.935415]  ? smp_call_function_single_interrupt+0x650/0x650
[  484.941327]  ? interrupt_entry+0xb5/0xf0
[  484.945422]  ? trace_hardirqs_off_caller+0xbb/0x310
[  484.950460]  ? trace_hardirqs_off_caller+0xbb/0x310
[  484.955493]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  484.960365]  ? trace_hardirqs_on_caller+0x310/0x310
[  484.965401]  ? trace_hardirqs_on_caller+0x310/0x310
[  484.970422]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  484.975963]  ? check_preemption_disabled+0x48/0x200
[  484.980983]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  484.986530]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  484.991388]  apic_timer_interrupt+0xf/0x20
[  484.995632]  </IRQ>
[  484.997879] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  485.002826] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  485.021730] RSP: 0000:ffff8801ba62f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  485.029444] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  485.036757] RDX: 0000000000000000 RSI: ffff8801b881aa80 RDI: 0000000000000286
[  485.044033] RBP: ffff8801ba62f7b0 R08: ffff8801b881a200 R09: 0000000000000000
[  485.051303] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  485.058569] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  485.065886]  skb_clone+0x1bb/0x500
[  485.069436]  ? finish_task_switch+0x1b5/0x900
[  485.073937]  ? skb_split+0x11e0/0x11e0
[  485.077827]  ? preempt_notifier_register+0x200/0x200
[  485.082934]  ? __switch_to_asm+0x34/0x70
[  485.087002]  ? __switch_to_asm+0x34/0x70
[  485.091063]  ? __switch_to_asm+0x40/0x70
[  485.095128]  ? __switch_to_asm+0x34/0x70
[  485.099188]  ? __switch_to_asm+0x40/0x70
[  485.103248]  ? __switch_to_asm+0x34/0x70
[  485.107309]  ? __switch_to_asm+0x40/0x70
[  485.111380]  ? __switch_to_asm+0x34/0x70
[  485.115449]  ? __switch_to_asm+0x34/0x70
[  485.119513]  ? __switch_to_asm+0x40/0x70
[  485.123580]  ? __switch_to_asm+0x34/0x70
[  485.127653]  bpf_clone_redirect+0xb9/0x490
[  485.131888]  ? __schedule+0x874/0x1ed0
[  485.135794]  bpf_prog_3d1649e183dc2cc1+0xcce/0x1000
[  485.140821]  ? __sched_text_start+0x8/0x8
[  485.145000]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  485.149786]  ? find_held_lock+0x36/0x1c0
[  485.153865]  ? lock_acquire+0x1ed/0x520
[  485.157872]  ? bpf_test_run+0x32e/0x5a0
[  485.161852]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  485.167395]  ? check_preemption_disabled+0x48/0x200
[  485.172418]  ? kasan_check_read+0x11/0x20
[  485.176571]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  485.181856]  ? rcu_bh_qs+0xc0/0xc0
[  485.185398]  ? preempt_schedule+0x4d/0x60
[  485.189549]  ? ___preempt_schedule+0x16/0x18
[  485.193967]  ? bpf_test_run+0x1c0/0x5a0
[  485.197954]  ? netlink_diag_dump+0x2a0/0x2a0
[  485.202374]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  485.207911]  ? bpf_test_init.isra.9+0x70/0x100
[  485.212503]  ? bpf_prog_test_run_skb+0x634/0xb40
[  485.217268]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  485.222111]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  485.227649]  ? fput+0x130/0x1a0
[  485.230937]  ? __bpf_prog_get+0x9b/0x290
[  485.235004]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  485.239848]  ? bpf_prog_test_run+0x130/0x1a0
[  485.244259]  ? __x64_sys_bpf+0x3d8/0x510
[  485.248323]  ? bpf_prog_get+0x20/0x20
[  485.252154]  ? do_syscall_64+0x1b9/0x820
[  485.256220]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  485.261591]  ? syscall_return_slowpath+0x5e0/0x5e0
[  485.266526]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  485.271379]  ? trace_hardirqs_on_caller+0x310/0x310
[  485.276401]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  485.281420]  ? prepare_exit_to_usermode+0x291/0x3b0
[  485.286444]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  485.291303]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  485.296717] CPU: 1 PID: 11390 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  485.296734] warn_alloc_show_mem: 1 callbacks suppressed
[  485.296748] Mem-Info:
[  485.304672] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  485.304681] Call Trace:
[  485.310058] active_anon:122480 inactive_anon:112 isolated_anon:0
[  485.310058]  active_file:16 inactive_file:5 isolated_file:0
[  485.310058]  unevictable:0 dirty:0 writeback:0 unstable:0
[  485.310058]  slab_reclaimable:9164 slab_unreclaimable:1399977
[  485.310058]  mapped:40962 shmem:118 pagetables:796 bounce:0
[  485.310058]  free:13728 free_pcp:0 free_cma:0
[  485.312441]  <IRQ>
[  485.321808] Node 0 active_anon:489920kB inactive_anon:448kB active_file:64kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:472kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 471040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  485.324400]  dump_stack+0x1c4/0x2b4
[  485.357086] Node 0 
[  485.359249]  ? dump_stack_print_info.cold.2+0x52/0x52
[  485.386948] 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
[  485.390565]  warn_alloc.cold.119+0xb7/0x1bd
[  485.392760] lowmem_reserve[]:
[  485.397947]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  485.423422]  0
[  485.427742]  ? lock_downgrade+0x900/0x900
[  485.430819]  2813
[  485.435666]  ? trace_hardirqs_off+0xb8/0x310
[  485.437442]  6317
[  485.441605]  ? trace_hardirqs_off+0xb8/0x310
[  485.443645]  6317
[  485.448055]  __alloc_pages_slowpath+0x2667/0x2d80
[  485.454526]  ? warn_alloc+0x120/0x120
[  485.456543] Node 0 
[  485.461389]  ? lock_release+0x970/0x970
[  485.465188] DMA32 free:25276kB min:30028kB low:37532kB high:45036kB active_anon:12288kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2884608kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  485.467396]  ? warn_alloc+0x120/0x120
[  485.471338] lowmem_reserve[]: 0
[  485.498735]  ? print_usage_bug+0xc0/0xc0
[  485.502683]  0
[  485.505960]  ? warn_alloc+0x120/0x120
[  485.509988]  3503 3503
[  485.511795]  ? print_usage_bug+0xc0/0xc0
[  485.518066]  ? __lock_acquire+0x7ec/0x4ec0
[  485.522104] Node 0 
[  485.526332]  ? __lock_acquire+0x7ec/0x4ec0
[  485.526373] Normal free:13728kB min:37384kB low:46728kB high:56072kB active_anon:477632kB inactive_anon:448kB active_file:64kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3587276kB mlocked:0kB kernel_stack:5408kB pagetables:3184kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  485.526381] lowmem_reserve[]:
[  485.528618]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  485.532840]  0 0
[  485.561461]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  485.564548]  0
[  485.570082]  ? should_fail+0x22d/0xd01
[  485.572035]  0
[  485.577565]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  485.579342] Node 0 
[  485.583248]  ? __lock_acquire+0x7ec/0x4ec0
[  485.585084] DMA: 
[  485.590665]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  485.592879] 1*4kB 
[  485.597105]  ? __lock_acquire+0x7ec/0x4ec0
[  485.599148] (U) 
[  485.604243]  ? should_fail+0x22d/0xd01
[  485.604269]  ? mark_held_locks+0x130/0x130
[  485.606385] 0*8kB 0*16kB 
[  485.610629]  ? mark_held_locks+0x130/0x130
[  485.612587] 1*32kB (U) 
[  485.616483]  ? graph_lock+0x170/0x170
[  485.620694] 2*64kB 
[  485.623447]  ? print_usage_bug+0xc0/0xc0
[  485.627660] (U) 
[  485.630240]  ? graph_lock+0x170/0x170
[  485.634017] 1*128kB 
[  485.636246]  ? print_usage_bug+0xc0/0xc0
[  485.640284] (U) 
[  485.642255]  ? wq_watchdog_touch+0x9c/0xfe
[  485.646033] 1*256kB 
[  485.648363]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  485.652396] (U) 
[  485.654376]  ? check_preemption_disabled+0x48/0x200
[  485.658587] 0*512kB 
[  485.660904]  ? check_preemption_disabled+0x48/0x200
[  485.666418] 1*1024kB 
[  485.668396]  ? __lock_is_held+0xb5/0x140
[  485.673383] (U) 
[  485.675708]  __alloc_pages_nodemask+0xa80/0xde0
[  485.680699] 1*2048kB 
[  485.683104]  ? graph_lock+0x170/0x170
[  485.687141] (M) 
[  485.689122]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  485.693762] 3*4096kB 
[  485.696164]  ? graph_lock+0x170/0x170
[  485.699939] (M) 
[  485.701921]  ? find_held_lock+0x36/0x1c0
[  485.706908] = 15908kB
[  485.709320]  ? ____cache_alloc_node+0x1c7/0x1e0
[  485.713092] Node 0 
[  485.715072]  ? lock_downgrade+0x900/0x900
[  485.719108] DMA32: 
[  485.721525]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  485.726169] 5*4kB 
[  485.728405]  cache_grow_begin+0x91/0x8c0
[  485.732525] (UM) 
[  485.734757]  ? do_raw_spin_unlock+0xa7/0x2f0
[  485.740269] 1*8kB 
[  485.742420]  fallback_alloc+0x203/0x2e0
[  485.746455] (U) 
[  485.748523]  ____cache_alloc_node+0x1c7/0x1e0
[  485.752926] 4*16kB 
[  485.755064]  kmem_cache_alloc_node+0xe3/0x730
[  485.759013] (UM) 
[  485.760990]  ? ipv6_get_ifaddr+0x42e/0x620
[  485.765459] 3*32kB 
[  485.767702]  __alloc_skb+0x119/0x770
[  485.772167] (UM) 
[  485.774238]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  485.778450] 4*64kB 
[  485.780715]  ? skb_scrub_packet+0x490/0x490
[  485.784421] (M) 
[  485.786483]  ? lock_downgrade+0x900/0x900
[  485.791737] 4*128kB 
[  485.793977]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  485.798260] (UM) 3*256kB 
[  485.800247]  ? refcount_sub_and_test_checked+0x203/0x310
[  485.804401] (M) 
[  485.806712]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  485.812229] 4*512kB 
[  485.814983]  ? addrconf_rs_timer+0x6f0/0x6f0
[  485.820405] (UM) 
[  485.822393]  ndisc_alloc_skb+0x144/0x340
[  485.827817] 3*1024kB 
[  485.830143]  ndisc_send_rs+0x331/0x6e0
[  485.834535] (UM) 
[  485.836599]  addrconf_rs_timer+0x3c0/0x6f0
[  485.840649] 3*2048kB (UM) 
[  485.843071]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  485.846946] 3*4096kB 
[  485.849012]  call_timer_fn+0x272/0x920
[  485.853236] (M) 
[  485.856069]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  485.860284] = 25276kB
[  485.860292] Node 0 
[  485.862704]  ? process_timeout+0x40/0x40
[  485.866565] Normal: 1058*4kB 
[  485.868554]  ? find_held_lock+0x36/0x1c0
[  485.872773] (UMEH) 
[  485.875185]  ? __run_timers+0x7da/0xc70
[  485.877391] 417*8kB 
[  485.881451]  ? _raw_spin_unlock_irq+0x27/0x80
[  485.884544] (UMEH) 
[  485.888607]  ? _raw_spin_unlock_irq+0x27/0x80
[  485.890820] 179*16kB (UME) 
[  485.894806]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  485.897108] 63*32kB (UMEH) 21*64kB 
[  485.901617]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  485.903853] (UMH) 2*128kB 
[  485.908364]  ? trace_hardirqs_on+0xbd/0x310
[  485.911269] (MH) 
[  485.915498]  ? kasan_check_read+0x11/0x20
[  485.919099] 0*256kB 
[  485.923683]  ? __run_timers+0x7da/0xc70
[  485.926506] 0*512kB 
[  485.930823]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  485.932861] 0*1024kB 
[  485.937006]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  485.939305] 0*2048kB 
[  485.943273]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  485.945583] 0*4096kB 
[  485.951029]  __run_timers+0x7e5/0xc70
[  485.953417] = 14048kB
[  485.957665]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  485.960049] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  485.964276]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  485.966671] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  485.970460]  ? graph_lock+0x170/0x170
[  485.972850] 164 total pagecache pages
[  485.978204]  ? enqueue_hrtimer+0x1a5/0x560
[  485.987033] 0 pages in swap cache
[  485.992038]  ? lock_release+0x970/0x970
[  486.000595] Swap cache stats: add 0, delete 0, find 0/0
[  486.004392]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  486.008167] Free swap  = 0kB
[  486.012400]  ? find_held_lock+0x36/0x1c0
[  486.015829] Total swap = 0kB
[  486.019794]  ? graph_lock+0x170/0x170
[  486.025132] 1965979 pages RAM
[  486.030316]  ? pvclock_read_flags+0x160/0x160
[  486.033307] 0 pages HighMem/MovableOnly
[  486.033316] 344031 pages reserved
[  486.037381]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  486.040380] 0 pages cma reserved
[  486.044174]  ? check_preemption_disabled+0x48/0x200
[  486.047387] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  486.051776]  ? __lock_is_held+0xb5/0x140
[  486.055779] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  486.059187]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  486.064700] syz-executor4 cpuset=
[  486.068065]  ? check_preemption_disabled+0x48/0x200
[  486.073057] syz4
[  486.079571]  run_timer_softirq+0x52/0xb0
[  486.083605]  mems_allowed=0
[  486.094087]  ? rcu_read_lock_sched_held+0x108/0x120
[  486.121963]  __do_softirq+0x30b/0xad8
[  486.125783]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  486.130909]  ? pvclock_read_flags+0x160/0x160
[  486.135407]  ? lapic_next_event+0x5a/0x90
[  486.139562]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  486.145104]  ? check_preemption_disabled+0x48/0x200
[  486.150130]  ? check_preemption_disabled+0x48/0x200
[  486.155154]  ? kvm_clock_read+0x18/0x30
[  486.159140]  ? kvm_sched_clock_read+0x9/0x20
[  486.163557]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  486.169098]  ? check_preemption_disabled+0x48/0x200
[  486.174141]  irq_exit+0x17f/0x1c0
[  486.177601]  smp_apic_timer_interrupt+0x1cb/0x760
[  486.182452]  ? smp_reschedule_interrupt+0x109/0x650
[  486.187475]  ? smp_call_function_single_interrupt+0x650/0x650
[  486.193385]  ? interrupt_entry+0xb5/0xf0
[  486.197827]  ? trace_hardirqs_off_caller+0xbb/0x310
[  486.202846]  ? trace_hardirqs_off_caller+0xbb/0x310
[  486.207871]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  486.212722]  ? trace_hardirqs_on_caller+0x310/0x310
[  486.217738]  ? trace_hardirqs_on_caller+0x310/0x310
[  486.222756]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  486.228293]  ? check_preemption_disabled+0x48/0x200
[  486.233309]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  486.238875]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  486.243731]  apic_timer_interrupt+0xf/0x20
[  486.247964]  </IRQ>
[  486.250205] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  486.255140] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  486.274042] RSP: 0000:ffff8801866cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  486.281758] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  486.289026] RDX: 0000000000000000 RSI: ffff8801ce554f00 RDI: 0000000000000286
[  486.296299] RBP: ffff8801866cf7b0 R08: ffff8801ce554680 R09: 0000000000000000
[  486.303570] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  486.310843] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  486.318166]  skb_clone+0x1bb/0x500
[  486.321711]  ? finish_task_switch+0x2f5/0x900
[  486.326209]  ? skb_split+0x11e0/0x11e0
[  486.330106]  ? preempt_notifier_register+0x200/0x200
[  486.335221]  ? __switch_to_asm+0x34/0x70
[  486.339287]  ? __switch_to_asm+0x34/0x70
[  486.343362]  ? __switch_to_asm+0x40/0x70
[  486.347431]  ? __switch_to_asm+0x34/0x70
[  486.351496]  ? __switch_to_asm+0x40/0x70
[  486.355564]  ? __switch_to_asm+0x34/0x70
[  486.359627]  ? __switch_to_asm+0x40/0x70
[  486.363693]  ? __switch_to_asm+0x34/0x70
[  486.368056]  ? __switch_to_asm+0x34/0x70
[  486.372122]  ? __switch_to_asm+0x40/0x70
[  486.376187]  ? __switch_to_asm+0x34/0x70
[  486.380257]  bpf_clone_redirect+0xb9/0x490
[  486.384496]  ? __schedule+0x874/0x1ed0
[  486.388394]  bpf_prog_3d1649e183dc2cc1+0x379/0x1000
[  486.393414]  ? __sched_text_start+0x8/0x8
[  486.397571]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  486.402339]  ? find_held_lock+0x36/0x1c0
[  486.406423]  ? lock_acquire+0x1ed/0x520
[  486.410405]  ? bpf_test_run+0x32e/0x5a0
[  486.414390]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  486.419928]  ? check_preemption_disabled+0x48/0x200
[  486.424951]  ? kasan_check_read+0x11/0x20
[  486.429104]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  486.434402]  ? rcu_bh_qs+0xc0/0xc0
[  486.437952]  ? preempt_schedule+0x4d/0x60
[  486.442113]  ? ___preempt_schedule+0x16/0x18
[  486.446536]  ? bpf_test_run+0x1c0/0x5a0
[  486.450532]  ? netlink_diag_dump+0x2a0/0x2a0
[  486.454950]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  486.460496]  ? bpf_test_init.isra.9+0x70/0x100
[  486.465449]  ? bpf_prog_test_run_skb+0x634/0xb40
[  486.470217]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  486.475061]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  486.480686]  ? fput+0x130/0x1a0
[  486.483975]  ? __bpf_prog_get+0x9b/0x290
[  486.488040]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  486.492883]  ? bpf_prog_test_run+0x130/0x1a0
[  486.497799]  ? __x64_sys_bpf+0x3d8/0x510
[  486.501867]  ? bpf_prog_get+0x20/0x20
[  486.505694]  ? do_syscall_64+0x1b9/0x820
[  486.509774]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  486.515144]  ? syscall_return_slowpath+0x5e0/0x5e0
[  486.520071]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  486.524930]  ? trace_hardirqs_on_caller+0x310/0x310
[  486.529951]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  486.534990]  ? prepare_exit_to_usermode+0x291/0x3b0
[  486.540015]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  486.544872]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  486.550262] CPU: 0 PID: 11399 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  486.550334] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  486.557800] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  486.557806] Call Trace:
[  486.557813]  <IRQ>
[  486.557831]  dump_stack+0x1c4/0x2b4
[  486.557854]  ? dump_stack_print_info.cold.2+0x52/0x52
[  486.564395] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  486.573700]  warn_alloc.cold.119+0xb7/0x1bd
[  486.576254] syz-executor4 cpuset=
[  486.578410]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  486.582014] syz4
[  486.587200]  ? lock_downgrade+0x900/0x900
[  486.597668]  mems_allowed=0
[  486.601990]  ? trace_hardirqs_off+0xb8/0x310
[  486.623721]  ? trace_hardirqs_off+0xb8/0x310
[  486.628145]  __alloc_pages_slowpath+0x2667/0x2d80
[  486.633022]  ? warn_alloc+0x120/0x120
[  486.636827]  ? graph_lock+0x170/0x170
[  486.640648]  ? warn_alloc+0x120/0x120
[  486.644454]  ? print_usage_bug+0xc0/0xc0
[  486.648520]  ? warn_alloc+0x120/0x120
[  486.652328]  ? print_usage_bug+0xc0/0xc0
[  486.656406]  ? __lock_acquire+0x7ec/0x4ec0
[  486.660665]  ? __lock_acquire+0x7ec/0x4ec0
[  486.664917]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  486.670471]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  486.676019]  ? should_fail+0x22d/0xd01
[  486.679923]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  486.685047]  ? __lock_acquire+0x7ec/0x4ec0
[  486.689288]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  486.694390]  ? __lock_acquire+0x7ec/0x4ec0
[  486.698631]  ? should_fail+0x22d/0xd01
[  486.702533]  ? mark_held_locks+0x130/0x130
[  486.706773]  ? mark_held_locks+0x130/0x130
[  486.711014]  ? graph_lock+0x170/0x170
[  486.714825]  ? print_usage_bug+0xc0/0xc0
[  486.718887]  ? graph_lock+0x170/0x170
[  486.722690]  ? print_usage_bug+0xc0/0xc0
[  486.726755]  ? wq_watchdog_touch+0x9c/0xfe
[  486.730996]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  486.736535]  ? check_preemption_disabled+0x48/0x200
[  486.741553]  ? check_preemption_disabled+0x48/0x200
[  486.746606]  ? __lock_is_held+0xb5/0x140
[  486.750685]  __alloc_pages_nodemask+0xa80/0xde0
[  486.755381]  ? graph_lock+0x170/0x170
[  486.759204]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  486.764222]  ? graph_lock+0x170/0x170
[  486.768052]  ? find_held_lock+0x36/0x1c0
[  486.772127]  ? ____cache_alloc_node+0x1c7/0x1e0
[  486.776799]  ? lock_downgrade+0x900/0x900
[  486.780959]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  486.786509]  cache_grow_begin+0x91/0x8c0
[  486.790578]  ? do_raw_spin_unlock+0xa7/0x2f0
[  486.795016]  fallback_alloc+0x203/0x2e0
[  486.799023]  ____cache_alloc_node+0x1c7/0x1e0
[  486.803553]  kmem_cache_alloc_node+0xe3/0x730
[  486.808063]  ? ipv6_get_ifaddr+0x42e/0x620
[  486.812335]  __alloc_skb+0x119/0x770
[  486.816063]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  486.821360]  ? skb_scrub_packet+0x490/0x490
[  486.825689]  ? lock_downgrade+0x900/0x900
[  486.829849]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  486.835392]  ? refcount_sub_and_test_checked+0x203/0x310
[  486.840864]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  486.846316]  ? addrconf_rs_timer+0x6f0/0x6f0
[  486.850747]  ndisc_alloc_skb+0x144/0x340
[  486.854819]  ndisc_send_rs+0x331/0x6e0
[  486.858719]  addrconf_rs_timer+0x3c0/0x6f0
[  486.862960]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  486.867212]  call_timer_fn+0x272/0x920
[  486.871100]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  486.875342]  ? process_timeout+0x40/0x40
[  486.879418]  ? find_held_lock+0x36/0x1c0
[  486.883494]  ? __run_timers+0x7da/0xc70
[  486.888866]  ? _raw_spin_unlock_irq+0x27/0x80
[  486.893372]  ? _raw_spin_unlock_irq+0x27/0x80
[  486.897875]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  486.902115]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  486.906705]  ? trace_hardirqs_on+0xbd/0x310
[  486.911025]  ? kasan_check_read+0x11/0x20
[  486.915194]  ? __run_timers+0x7da/0xc70
[  486.919199]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  486.924671]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  486.928917]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  486.933205]  __run_timers+0x7e5/0xc70
[  486.937048]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  486.942422]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  486.947441]  ? graph_lock+0x170/0x170
[  486.951248]  ? enqueue_hrtimer+0x1a5/0x560
[  486.955481]  ? lock_release+0x970/0x970
[  486.959457]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  486.964659]  ? find_held_lock+0x36/0x1c0
[  486.968759]  ? graph_lock+0x170/0x170
[  486.972579]  ? pvclock_read_flags+0x160/0x160
[  486.977081]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  486.982628]  ? check_preemption_disabled+0x48/0x200
[  486.987662]  ? __lock_is_held+0xb5/0x140
[  486.991727]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  486.997264]  ? check_preemption_disabled+0x48/0x200
[  487.002323]  run_timer_softirq+0x52/0xb0
[  487.006408]  ? rcu_read_lock_sched_held+0x108/0x120
[  487.011426]  __do_softirq+0x30b/0xad8
[  487.015244]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  487.020369]  ? pvclock_read_flags+0x160/0x160
[  487.024894]  ? lapic_next_event+0x5a/0x90
[  487.029069]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  487.034616]  ? check_preemption_disabled+0x48/0x200
[  487.039643]  ? check_preemption_disabled+0x48/0x200
[  487.044678]  ? kvm_clock_read+0x18/0x30
[  487.048665]  ? kvm_sched_clock_read+0x9/0x20
[  487.053084]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  487.058632]  ? check_preemption_disabled+0x48/0x200
[  487.063668]  irq_exit+0x17f/0x1c0
[  487.067139]  smp_apic_timer_interrupt+0x1cb/0x760
[  487.071991]  ? smp_reschedule_interrupt+0x109/0x650
[  487.077029]  ? smp_call_function_single_interrupt+0x650/0x650
[  487.082924]  ? interrupt_entry+0xb5/0xf0
[  487.086987]  ? trace_hardirqs_off_caller+0xbb/0x310
[  487.092007]  ? trace_hardirqs_off_caller+0xbb/0x310
[  487.097038]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  487.101881]  ? trace_hardirqs_on_caller+0x310/0x310
[  487.106899]  ? trace_hardirqs_on_caller+0x310/0x310
[  487.111918]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  487.117458]  ? check_preemption_disabled+0x48/0x200
[  487.122475]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  487.128021]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  487.132879]  apic_timer_interrupt+0xf/0x20
[  487.137109]  </IRQ>
[  487.139365] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  487.144326] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  487.163356] RSP: 0000:ffff8801ba62f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  487.171070] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  487.178341] RDX: 0000000000000000 RSI: ffff8801b881aa80 RDI: 0000000000000286
[  487.185623] RBP: ffff8801ba62f7b0 R08: ffff8801b881a200 R09: 0000000000000000
[  487.192891] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  487.200157] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  487.207482]  skb_clone+0x1bb/0x500
[  487.211029]  ? finish_task_switch+0x1b5/0x900
[  487.215577]  ? skb_split+0x11e0/0x11e0
[  487.219484]  ? preempt_notifier_register+0x200/0x200
[  487.224604]  ? __switch_to_asm+0x34/0x70
[  487.228672]  ? __switch_to_asm+0x34/0x70
[  487.232737]  ? __switch_to_asm+0x40/0x70
[  487.236799]  ? __switch_to_asm+0x34/0x70
[  487.240865]  ? __switch_to_asm+0x40/0x70
[  487.244930]  ? __switch_to_asm+0x34/0x70
[  487.248999]  ? __switch_to_asm+0x40/0x70
[  487.253077]  ? __switch_to_asm+0x34/0x70
[  487.257152]  ? __switch_to_asm+0x34/0x70
[  487.261231]  ? __switch_to_asm+0x40/0x70
[  487.265291]  ? __switch_to_asm+0x34/0x70
[  487.269369]  bpf_clone_redirect+0xb9/0x490
[  487.273618]  ? __schedule+0x874/0x1ed0
[  487.277515]  bpf_prog_3d1649e183dc2cc1+0xcce/0x1000
[  487.282536]  ? __sched_text_start+0x8/0x8
[  487.286719]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  487.291489]  ? find_held_lock+0x36/0x1c0
[  487.295583]  ? lock_acquire+0x1ed/0x520
[  487.299593]  ? bpf_test_run+0x32e/0x5a0
[  487.303573]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  487.309122]  ? check_preemption_disabled+0x48/0x200
[  487.314146]  ? kasan_check_read+0x11/0x20
[  487.318301]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  487.323587]  ? rcu_bh_qs+0xc0/0xc0
[  487.327137]  ? preempt_schedule+0x4d/0x60
[  487.331289]  ? ___preempt_schedule+0x16/0x18
[  487.335743]  ? bpf_test_run+0x1c0/0x5a0
[  487.339736]  ? netlink_diag_dump+0x2a0/0x2a0
[  487.344152]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  487.349695]  ? bpf_test_init.isra.9+0x70/0x100
[  487.354290]  ? bpf_prog_test_run_skb+0x634/0xb40
[  487.359071]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  487.363942]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  487.369536]  ? fput+0x130/0x1a0
[  487.372843]  ? __bpf_prog_get+0x9b/0x290
[  487.376919]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  487.381779]  ? bpf_prog_test_run+0x130/0x1a0
[  487.386220]  ? __x64_sys_bpf+0x3d8/0x510
[  487.390297]  ? bpf_prog_get+0x20/0x20
[  487.394129]  ? do_syscall_64+0x1b9/0x820
[  487.398200]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  487.403583]  ? syscall_return_slowpath+0x5e0/0x5e0
[  487.408524]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  487.413382]  ? trace_hardirqs_on_caller+0x310/0x310
[  487.418402]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  487.423429]  ? prepare_exit_to_usermode+0x291/0x3b0
[  487.428455]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  487.433311]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  487.438695] warn_alloc_show_mem: 1 callbacks suppressed
[  487.438707] CPU: 1 PID: 11390 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  487.438709] Mem-Info:
[  487.438741] active_anon:122480 inactive_anon:112 isolated_anon:0
[  487.438741]  active_file:16 inactive_file:5 isolated_file:0
[  487.438741]  unevictable:0 dirty:0 writeback:0 unstable:0
[  487.438741]  slab_reclaimable:9164 slab_unreclaimable:1399977
[  487.438741]  mapped:40962 shmem:118 pagetables:796 bounce:0
[  487.438741]  free:13728 free_pcp:0 free_cma:0
[  487.444083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  487.451447] Node 0 active_anon:489920kB inactive_anon:448kB active_file:64kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:472kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 471040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  487.453849] Call Trace:
[  487.486556] Node 0 
[  487.496190]  <IRQ>
[  487.523713] 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
[  487.526262]  dump_stack+0x1c4/0x2b4
[  487.528470] lowmem_reserve[]:
[  487.530617]  ? dump_stack_print_info.cold.2+0x52/0x52
[  487.556092]  0 2813
[  487.560272]  warn_alloc.cold.119+0xb7/0x1bd
[  487.563344]  6317 6317
[  487.568555]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  487.575097]  ? lock_downgrade+0x900/0x900
[  487.577572] Node 0 
[  487.582433]  ? trace_hardirqs_off+0xb8/0x310
[  487.586581] DMA32 free:25276kB min:30028kB low:37532kB high:45036kB active_anon:12288kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2884608kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  487.588788]  ? trace_hardirqs_off+0xb8/0x310
[  487.593165] lowmem_reserve[]: 0
[  487.620075]  __alloc_pages_slowpath+0x2667/0x2d80
[  487.624453]  0
[  487.627756]  ? warn_alloc+0x120/0x120
[  487.632550]  3503
[  487.634364]  ? lock_release+0x970/0x970
[  487.638155]  3503
[  487.640218]  ? warn_alloc+0x120/0x120
[  487.644172] Node 0 
[  487.646234]  ? print_usage_bug+0xc0/0xc0
[  487.650054] Normal free:13728kB min:37384kB low:46728kB high:56072kB active_anon:477632kB inactive_anon:448kB active_file:64kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3587276kB mlocked:0kB kernel_stack:5408kB pagetables:3184kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  487.652263]  ? warn_alloc+0x120/0x120
[  487.656302] lowmem_reserve[]:
[  487.684322]  ? print_usage_bug+0xc0/0xc0
[  487.688100]  0
[  487.691208]  ? __lock_acquire+0x7ec/0x4ec0
[  487.695241]  0 0
[  487.697052]  ? __lock_acquire+0x7ec/0x4ec0
[  487.701255]  0
[  487.703237]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  487.707462] Node 0 
[  487.709265]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  487.714779] DMA: 
[  487.717013]  ? should_fail+0x22d/0xd01
[  487.722524] 1*4kB 
[  487.724585]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  487.728444] (U) 
[  487.730594]  ? __lock_acquire+0x7ec/0x4ec0
[  487.735673] 0*8kB 
[  487.737651]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  487.741865] 0*16kB 
[  487.744037]  ? __lock_acquire+0x7ec/0x4ec0
[  487.749285] 1*32kB (U) 
[  487.751530]  ? should_fail+0x22d/0xd01
[  487.755733] 2*64kB (U) 
[  487.758330]  ? mark_held_locks+0x130/0x130
[  487.762185] 1*128kB 
[  487.764764]  ? mark_held_locks+0x130/0x130
[  487.768971] (U) 
[  487.771288]  ? graph_lock+0x170/0x170
[  487.775497] 1*256kB (U) 
[  487.777478]  ? print_usage_bug+0xc0/0xc0
[  487.781254] 0*512kB 
[  487.783919]  ? graph_lock+0x170/0x170
[  487.787954] 1*1024kB 
[  487.790271]  ? print_usage_bug+0xc0/0xc0
[  487.794045] (U) 
[  487.796455]  ? wq_watchdog_touch+0x9c/0xfe
[  487.800494] 1*2048kB 
[  487.802466]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  487.806672] (M) 
[  487.809081]  ? check_preemption_disabled+0x48/0x200
[  487.814618] 3*4096kB 
[  487.816667]  ? check_preemption_disabled+0x48/0x200
[  487.816692]  ? __lock_is_held+0xb5/0x140
[  487.821696] (M) 
[  487.824115]  __alloc_pages_nodemask+0xa80/0xde0
[  487.829108] = 15908kB
[  487.833250]  ? graph_lock+0x170/0x170
[  487.835242] Node 0 
[  487.839909]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  487.842305] DMA32: 
[  487.846098]  ? graph_lock+0x170/0x170
[  487.848311] 5*4kB 
[  487.853326]  ? find_held_lock+0x36/0x1c0
[  487.855534] (UM) 
[  487.859339]  ? ____cache_alloc_node+0x1c7/0x1e0
[  487.861466] 1*8kB (U) 
[  487.865533]  ? lock_downgrade+0x900/0x900
[  487.867569] 4*16kB (UM) 
[  487.872248]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  487.874732] 3*32kB 
[  487.878960]  cache_grow_begin+0x91/0x8c0
[  487.881617] (UM) 
[  487.887153]  ? do_raw_spin_unlock+0xa7/0x2f0
[  487.889377] 4*64kB 
[  487.893439]  fallback_alloc+0x203/0x2e0
[  487.895468] (M) 4*128kB 
[  487.899883]  ____cache_alloc_node+0x1c7/0x1e0
[  487.902090] (UM) 
[  487.906063]  kmem_cache_alloc_node+0xe3/0x730
[  487.908717] 3*256kB 
[  487.913210]  ? ipv6_get_ifaddr+0x42e/0x620
[  487.915248] (M) 
[  487.919749]  __alloc_skb+0x119/0x770
[  487.922044] 4*512kB 
[  487.926275]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  487.928222] (UM) 
[  487.931930]  ? skb_scrub_packet+0x490/0x490
[  487.934231] 3*1024kB 
[  487.939501]  ? lock_downgrade+0x900/0x900
[  487.941539] (UM) 
[  487.945863]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  487.948249] 3*2048kB 
[  487.952394]  ? refcount_sub_and_test_checked+0x203/0x310
[  487.954434] (UM) 
[  487.959969]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  487.962363] 3*4096kB 
[  487.967810]  ? addrconf_rs_timer+0x6f0/0x6f0
[  487.969846] (M) 
[  487.975297]  ndisc_alloc_skb+0x144/0x340
[  487.977678] = 25276kB
[  487.982078]  ndisc_send_rs+0x331/0x6e0
[  487.984047] Node 0 
[  487.988106]  addrconf_rs_timer+0x3c0/0x6f0
[  487.990491] Normal: 
[  487.994376]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  487.996606] 1058*4kB 
[  488.000843]  call_timer_fn+0x272/0x920
[  488.003133] (UMEH) 
[  488.007371]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  488.009767] 417*8kB (UMEH) 
[  488.013661]  ? process_timeout+0x40/0x40
[  488.015882] 179*16kB (UME) 
[  488.020127]  ? find_held_lock+0x36/0x1c0
[  488.023030] 63*32kB (UMEH) 
[  488.027103]  ? __run_timers+0x7da/0xc70
[  488.030000] 21*64kB (UMH) 
[  488.034069]  ? _raw_spin_unlock_irq+0x27/0x80
[  488.036979] 2*128kB 
[  488.040946]  ? _raw_spin_unlock_irq+0x27/0x80
[  488.043781] (MH) 
[  488.048631]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  488.050934] 0*256kB 
[  488.055426]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  488.057471] 0*512kB 
[  488.061702]  ? trace_hardirqs_on+0xbd/0x310
[  488.064001] 0*1024kB 
[  488.068580]  ? kasan_check_read+0x11/0x20
[  488.070881] 0*2048kB 
[  488.075198]  ? __run_timers+0x7da/0xc70
[  488.077587] 0*4096kB 
[  488.081759]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  488.081788]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  488.084195] = 14048kB
[  488.088164]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  488.090559] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  488.096001]  __run_timers+0x7e5/0xc70
[  488.100216] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  488.102630]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  488.106845] 164 total pagecache pages
[  488.115682]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  488.119467] 0 pages in swap cache
[  488.128030]  ? graph_lock+0x170/0x170
[  488.133380] Swap cache stats: add 0, delete 0, find 0/0
[  488.137173]  ? enqueue_hrtimer+0x1a5/0x560
[  488.142166] Free swap  = 0kB
[  488.145610]  ? lock_release+0x970/0x970
[  488.149390] Total swap = 0kB
[  488.154750]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  488.158963] 1965979 pages RAM
[  488.162027]  ? find_held_lock+0x36/0x1c0
[  488.165973] 0 pages HighMem/MovableOnly
[  488.165981] 344031 pages reserved
[  488.168999]  ? graph_lock+0x170/0x170
[  488.174160] 0 pages cma reserved
[  488.174238] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  488.177266]  ? pvclock_read_flags+0x160/0x160
[  488.177282]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  488.177302]  ? check_preemption_disabled+0x48/0x200
[  488.181414] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  488.185329]  ? __lock_is_held+0xb5/0x140
[  488.188753] syz-executor4 cpuset=
[  488.192556]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  488.195894] syz4
[  488.202402]  ? check_preemption_disabled+0x48/0x200
[  488.206884]  mems_allowed=0
[  488.212427]  run_timer_softirq+0x52/0xb0
[  488.254837]  ? rcu_read_lock_sched_held+0x108/0x120
[  488.259864]  __do_softirq+0x30b/0xad8
[  488.263684]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  488.268801]  ? pvclock_read_flags+0x160/0x160
[  488.273304]  ? lapic_next_event+0x5a/0x90
[  488.277464]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  488.283006]  ? check_preemption_disabled+0x48/0x200
[  488.288020]  ? check_preemption_disabled+0x48/0x200
[  488.293045]  ? kvm_clock_read+0x18/0x30
[  488.297022]  ? kvm_sched_clock_read+0x9/0x20
[  488.301436]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  488.306975]  ? check_preemption_disabled+0x48/0x200
[  488.312011]  irq_exit+0x17f/0x1c0
[  488.315481]  smp_apic_timer_interrupt+0x1cb/0x760
[  488.320327]  ? smp_reschedule_interrupt+0x109/0x650
[  488.325367]  ? smp_call_function_single_interrupt+0x650/0x650
[  488.331261]  ? interrupt_entry+0xb5/0xf0
[  488.335334]  ? trace_hardirqs_off_caller+0xbb/0x310
[  488.340369]  ? trace_hardirqs_off_caller+0xbb/0x310
[  488.345395]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  488.350241]  ? trace_hardirqs_on_caller+0x310/0x310
[  488.355257]  ? trace_hardirqs_on_caller+0x310/0x310
[  488.360281]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  488.366058]  ? check_preemption_disabled+0x48/0x200
[  488.371078]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  488.376633]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  488.381504]  apic_timer_interrupt+0xf/0x20
[  488.385732]  </IRQ>
[  488.387977] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  488.392911] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  488.411814] RSP: 0000:ffff8801866cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  488.419527] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  488.426793] RDX: 0000000000000000 RSI: ffff8801ce554f00 RDI: 0000000000000286
[  488.434068] RBP: ffff8801866cf7b0 R08: ffff8801ce554680 R09: 0000000000000000
[  488.441335] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  488.448615] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  488.455934]  skb_clone+0x1bb/0x500
[  488.459484]  ? finish_task_switch+0x2f5/0x900
[  488.463988]  ? skb_split+0x11e0/0x11e0
[  488.467884]  ? preempt_notifier_register+0x200/0x200
[  488.472991]  ? __switch_to_asm+0x34/0x70
[  488.477056]  ? __switch_to_asm+0x34/0x70
[  488.481123]  ? __switch_to_asm+0x40/0x70
[  488.485186]  ? __switch_to_asm+0x34/0x70
[  488.489250]  ? __switch_to_asm+0x40/0x70
[  488.493310]  ? __switch_to_asm+0x34/0x70
[  488.497871]  ? __switch_to_asm+0x40/0x70
[  488.501940]  ? __switch_to_asm+0x34/0x70
[  488.506472]  ? __switch_to_asm+0x34/0x70
[  488.510535]  ? __switch_to_asm+0x40/0x70
[  488.514600]  ? __switch_to_asm+0x34/0x70
[  488.518701]  bpf_clone_redirect+0xb9/0x490
[  488.522938]  ? __schedule+0x874/0x1ed0
[  488.526864]  bpf_prog_3d1649e183dc2cc1+0x379/0x1000
[  488.531888]  ? __sched_text_start+0x8/0x8
[  488.536047]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  488.540819]  ? find_held_lock+0x36/0x1c0
[  488.544891]  ? lock_acquire+0x1ed/0x520
[  488.548869]  ? bpf_test_run+0x32e/0x5a0
[  488.552851]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  488.558393]  ? check_preemption_disabled+0x48/0x200
[  488.563416]  ? kasan_check_read+0x11/0x20
[  488.567572]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  488.572855]  ? rcu_bh_qs+0xc0/0xc0
[  488.576400]  ? preempt_schedule+0x4d/0x60
[  488.580578]  ? ___preempt_schedule+0x16/0x18
[  488.585011]  ? bpf_test_run+0x1c0/0x5a0
[  488.589000]  ? netlink_diag_dump+0x2a0/0x2a0
[  488.593419]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  488.598958]  ? bpf_test_init.isra.9+0x70/0x100
[  488.603568]  ? bpf_prog_test_run_skb+0x634/0xb40
[  488.608336]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  488.613191]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  488.618741]  ? fput+0x130/0x1a0
[  488.622024]  ? __bpf_prog_get+0x9b/0x290
[  488.626178]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  488.631024]  ? bpf_prog_test_run+0x130/0x1a0
[  488.635442]  ? __x64_sys_bpf+0x3d8/0x510
[  488.639505]  ? bpf_prog_get+0x20/0x20
[  488.643334]  ? do_syscall_64+0x1b9/0x820
[  488.647408]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  488.652779]  ? syscall_return_slowpath+0x5e0/0x5e0
[  488.657713]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  488.662565]  ? trace_hardirqs_on_caller+0x310/0x310
[  488.667586]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  488.672609]  ? prepare_exit_to_usermode+0x291/0x3b0
[  488.677639]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  488.682495]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  488.687884] CPU: 0 PID: 11399 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  488.687971] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  488.695271] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  488.695281] Call Trace:
[  488.701858] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  488.711128]  <IRQ>
[  488.713705] syz-executor4 cpuset=
[  488.724185]  dump_stack+0x1c4/0x2b4
[  488.726311] syz4
[  488.729759]  ? dump_stack_print_info.cold.2+0x52/0x52
[  488.733384]  mems_allowed=0
[  488.735376]  warn_alloc.cold.119+0xb7/0x1bd
[  488.747769]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  488.752623]  ? lock_downgrade+0x900/0x900
[  488.756782]  ? trace_hardirqs_off+0xb8/0x310
[  488.761198]  ? trace_hardirqs_off+0xb8/0x310
[  488.765624]  __alloc_pages_slowpath+0x2667/0x2d80
[  488.770504]  ? warn_alloc+0x120/0x120
[  488.774306]  ? lock_release+0x970/0x970
[  488.778290]  ? warn_alloc+0x120/0x120
[  488.782096]  ? print_usage_bug+0xc0/0xc0
[  488.786171]  ? warn_alloc+0x120/0x120
[  488.789978]  ? print_usage_bug+0xc0/0xc0
[  488.794044]  ? __lock_acquire+0x7ec/0x4ec0
[  488.798282]  ? __lock_acquire+0x7ec/0x4ec0
[  488.802520]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  488.808063]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  488.813605]  ? should_fail+0x22d/0xd01
[  488.817506]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  488.822618]  ? __lock_acquire+0x7ec/0x4ec0
[  488.826864]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  488.831964]  ? __lock_acquire+0x7ec/0x4ec0
[  488.836203]  ? should_fail+0x22d/0xd01
[  488.840131]  ? mark_held_locks+0x130/0x130
[  488.844408]  ? mark_held_locks+0x130/0x130
[  488.848654]  ? graph_lock+0x170/0x170
[  488.852458]  ? print_usage_bug+0xc0/0xc0
[  488.856520]  ? graph_lock+0x170/0x170
[  488.860326]  ? print_usage_bug+0xc0/0xc0
[  488.864397]  ? wq_watchdog_touch+0x9c/0xfe
[  488.868642]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  488.874180]  ? check_preemption_disabled+0x48/0x200
[  488.879196]  ? check_preemption_disabled+0x48/0x200
[  488.884226]  ? __lock_is_held+0xb5/0x140
[  488.888296]  __alloc_pages_nodemask+0xa80/0xde0
[  488.892965]  ? graph_lock+0x170/0x170
[  488.896776]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  488.901792]  ? graph_lock+0x170/0x170
[  488.905615]  ? find_held_lock+0x36/0x1c0
[  488.909721]  ? ____cache_alloc_node+0x1c7/0x1e0
[  488.914393]  ? lock_downgrade+0x900/0x900
[  488.918642]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  488.924186]  cache_grow_begin+0x91/0x8c0
[  488.928254]  ? do_raw_spin_unlock+0xa7/0x2f0
[  488.932674]  fallback_alloc+0x203/0x2e0
[  488.936657]  ____cache_alloc_node+0x1c7/0x1e0
[  488.941163]  kmem_cache_alloc_node+0xe3/0x730
[  488.945661]  ? ipv6_get_ifaddr+0x42e/0x620
[  488.949911]  __alloc_skb+0x119/0x770
[  488.953637]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  488.958925]  ? skb_scrub_packet+0x490/0x490
[  488.963252]  ? lock_downgrade+0x900/0x900
[  488.967417]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  488.972966]  ? refcount_sub_and_test_checked+0x203/0x310
[  488.978429]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  488.983883]  ? addrconf_rs_timer+0x6f0/0x6f0
[  488.988308]  ndisc_alloc_skb+0x144/0x340
[  488.992388]  ndisc_send_rs+0x331/0x6e0
[  488.996287]  addrconf_rs_timer+0x3c0/0x6f0
[  489.000534]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  489.004786]  call_timer_fn+0x272/0x920
[  489.008674]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  489.012916]  ? process_timeout+0x40/0x40
[  489.016981]  ? find_held_lock+0x36/0x1c0
[  489.021054]  ? __run_timers+0x7da/0xc70
[  489.025039]  ? _raw_spin_unlock_irq+0x27/0x80
[  489.029537]  ? _raw_spin_unlock_irq+0x27/0x80
[  489.034046]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  489.038281]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  489.042866]  ? trace_hardirqs_on+0xbd/0x310
[  489.047190]  ? kasan_check_read+0x11/0x20
[  489.051338]  ? __run_timers+0x7da/0xc70
[  489.055325]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  489.060794]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  489.065036]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  489.069273]  __run_timers+0x7e5/0xc70
[  489.073093]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  489.078462]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  489.083480]  ? graph_lock+0x170/0x170
[  489.087315]  ? enqueue_hrtimer+0x1a5/0x560
[  489.091557]  ? lock_release+0x970/0x970
[  489.095536]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  489.100734]  ? find_held_lock+0x36/0x1c0
[  489.104806]  ? graph_lock+0x170/0x170
[  489.108618]  ? pvclock_read_flags+0x160/0x160
[  489.113119]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  489.118665]  ? check_preemption_disabled+0x48/0x200
[  489.123700]  ? __lock_is_held+0xb5/0x140
[  489.127768]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  489.133305]  ? check_preemption_disabled+0x48/0x200
[  489.138328]  run_timer_softirq+0x52/0xb0
[  489.142398]  ? rcu_read_lock_sched_held+0x108/0x120
[  489.147419]  __do_softirq+0x30b/0xad8
[  489.151233]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  489.156344]  ? pvclock_read_flags+0x160/0x160
[  489.160853]  ? lapic_next_event+0x5a/0x90
[  489.165007]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  489.170551]  ? check_preemption_disabled+0x48/0x200
[  489.175572]  ? check_preemption_disabled+0x48/0x200
[  489.180595]  ? kvm_clock_read+0x18/0x30
[  489.184575]  ? kvm_sched_clock_read+0x9/0x20
[  489.188986]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  489.194618]  ? check_preemption_disabled+0x48/0x200
[  489.199657]  irq_exit+0x17f/0x1c0
[  489.203113]  smp_apic_timer_interrupt+0x1cb/0x760
[  489.207955]  ? smp_reschedule_interrupt+0x109/0x650
[  489.212972]  ? smp_call_function_single_interrupt+0x650/0x650
[  489.218860]  ? interrupt_entry+0xb5/0xf0
[  489.222925]  ? trace_hardirqs_off_caller+0xbb/0x310
[  489.227944]  ? trace_hardirqs_off_caller+0xbb/0x310
[  489.232966]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  489.237810]  ? trace_hardirqs_on_caller+0x310/0x310
[  489.242824]  ? trace_hardirqs_on_caller+0x310/0x310
[  489.247844]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  489.253390]  ? check_preemption_disabled+0x48/0x200
[  489.258405]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  489.263953]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  489.268807]  apic_timer_interrupt+0xf/0x20
[  489.273037]  </IRQ>
[  489.275277] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  489.280210] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  489.299124] RSP: 0000:ffff8801ba62f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  489.306856] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  489.314149] RDX: 0000000000000000 RSI: ffff8801b881aa80 RDI: 0000000000000286
[  489.321425] RBP: ffff8801ba62f7b0 R08: ffff8801b881a200 R09: 0000000000000000
[  489.328708] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  489.336004] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  489.343345]  skb_clone+0x1bb/0x500
[  489.346899]  ? finish_task_switch+0x1b5/0x900
[  489.351403]  ? skb_split+0x11e0/0x11e0
[  489.355296]  ? preempt_notifier_register+0x200/0x200
[  489.360405]  ? __switch_to_asm+0x34/0x70
[  489.364472]  ? __switch_to_asm+0x34/0x70
[  489.368804]  ? __switch_to_asm+0x40/0x70
[  489.372870]  ? __switch_to_asm+0x34/0x70
[  489.376930]  ? __switch_to_asm+0x40/0x70
[  489.380990]  ? __switch_to_asm+0x34/0x70
[  489.385054]  ? __switch_to_asm+0x40/0x70
[  489.389133]  ? __switch_to_asm+0x34/0x70
[  489.393246]  ? __switch_to_asm+0x34/0x70
[  489.397307]  ? __switch_to_asm+0x40/0x70
[  489.401374]  ? __switch_to_asm+0x34/0x70
[  489.405446]  bpf_clone_redirect+0xb9/0x490
[  489.409685]  ? __schedule+0x874/0x1ed0
[  489.413584]  bpf_prog_3d1649e183dc2cc1+0xcce/0x1000
[  489.418616]  ? __sched_text_start+0x8/0x8
[  489.422781]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  489.427549]  ? find_held_lock+0x36/0x1c0
[  489.431645]  ? lock_acquire+0x1ed/0x520
[  489.435654]  ? bpf_test_run+0x32e/0x5a0
[  489.439639]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  489.445182]  ? check_preemption_disabled+0x48/0x200
[  489.450206]  ? kasan_check_read+0x11/0x20
[  489.454372]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  489.459665]  ? rcu_bh_qs+0xc0/0xc0
[  489.463224]  ? preempt_schedule+0x4d/0x60
[  489.467383]  ? ___preempt_schedule+0x16/0x18
[  489.471811]  ? bpf_test_run+0x1c0/0x5a0
[  489.475798]  ? netlink_diag_dump+0x2a0/0x2a0
[  489.480214]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  489.485756]  ? bpf_test_init.isra.9+0x70/0x100
[  489.490358]  ? bpf_prog_test_run_skb+0x634/0xb40
[  489.495133]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  489.499994]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  489.505534]  ? fput+0x130/0x1a0
[  489.508822]  ? __bpf_prog_get+0x9b/0x290
[  489.512887]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  489.517729]  ? bpf_prog_test_run+0x130/0x1a0
[  489.522144]  ? __x64_sys_bpf+0x3d8/0x510
[  489.526208]  ? bpf_prog_get+0x20/0x20
[  489.530030]  ? do_syscall_64+0x1b9/0x820
[  489.534096]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  489.539468]  ? syscall_return_slowpath+0x5e0/0x5e0
[  489.544415]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  489.549260]  ? trace_hardirqs_on_caller+0x310/0x310
[  489.554280]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  489.559298]  ? prepare_exit_to_usermode+0x291/0x3b0
[  489.564342]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  489.569220]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  489.574606] warn_alloc_show_mem: 1 callbacks suppressed
[  489.574618] CPU: 1 PID: 11390 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  489.574620] Mem-Info:
[  489.574652] active_anon:122480 inactive_anon:112 isolated_anon:0
[  489.574652]  active_file:16 inactive_file:5 isolated_file:0
[  489.574652]  unevictable:0 dirty:0 writeback:0 unstable:0
[  489.574652]  slab_reclaimable:9164 slab_unreclaimable:1399977
[  489.574652]  mapped:40962 shmem:118 pagetables:796 bounce:0
[  489.574652]  free:13728 free_pcp:0 free_cma:0
[  489.579993] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  489.587368] Node 0 active_anon:489920kB inactive_anon:448kB active_file:64kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:472kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 471040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  489.589764] Call Trace:
[  489.622463] Node 0 
[  489.631809]  <IRQ>
[  489.659334] 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
[  489.661891]  dump_stack+0x1c4/0x2b4
[  489.664095] lowmem_reserve[]: 0
[  489.666260]  ? dump_stack_print_info.cold.2+0x52/0x52
[  489.691751]  2813 6317
[  489.695415]  warn_alloc.cold.119+0xb7/0x1bd
[  489.698656]  6317
[  489.703840]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  489.710657]  ? lock_downgrade+0x900/0x900
[  489.712694] Node 0 
[  489.717535]  ? trace_hardirqs_off+0xb8/0x310
[  489.721682] DMA32 free:25276kB min:30028kB low:37532kB high:45036kB active_anon:12288kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2884608kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  489.723889]  ? trace_hardirqs_off+0xb8/0x310
[  489.728266] lowmem_reserve[]: 0
[  489.755181]  __alloc_pages_slowpath+0x2667/0x2d80
[  489.759569]  0
[  489.762875]  ? warn_alloc+0x120/0x120
[  489.767655]  3503 3503
[  489.769466]  ? trace_hardirqs_on+0x310/0x310
[  489.773245] Node 0 
[  489.775737]  ? warn_alloc+0x120/0x120
[  489.780152] Normal free:13728kB min:37384kB low:46728kB high:56072kB active_anon:477632kB inactive_anon:448kB active_file:64kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3587276kB mlocked:0kB kernel_stack:5408kB pagetables:3184kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  489.782369]  ? print_usage_bug+0xc0/0xc0
[  489.786137] lowmem_reserve[]: 0
[  489.814169]  ? warn_alloc+0x120/0x120
[  489.818202]  0
[  489.821476]  ? ktime_get+0x2e1/0x440
[  489.825252]  0
[  489.827052]  ? print_usage_bug+0xc0/0xc0
[  489.830743]  0
[  489.832550]  ? __lock_acquire+0x7ec/0x4ec0
[  489.836594] Node 0 
[  489.838393]  ? __lock_acquire+0x7ec/0x4ec0
[  489.842601] DMA: 1*4kB 
[  489.844847]  ? kasan_check_read+0x11/0x20
[  489.849057] (U) 
[  489.851645]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  489.855765] 0*8kB 0*16kB 
[  489.857747]  ? should_fail+0x22d/0xd01
[  489.863256] 1*32kB 
[  489.866015]  ? rcu_bh_qs+0xc0/0xc0
[  489.869875] (U) 
[  489.872117]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  489.875629] 2*64kB 
[  489.877598]  ? __lock_acquire+0x7ec/0x4ec0
[  489.882674] (U) 1*128kB 
[  489.884919]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  489.889132] (U) 
[  489.891799]  ? __lock_acquire+0x7ec/0x4ec0
[  489.896878] 1*256kB 
[  489.898865]  ? should_fail+0x22d/0xd01
[  489.903067] (U) 0*512kB 
[  489.905398]  ? rcu_idle_enter+0x4b0/0x4b0
[  489.909263] 1*1024kB 
[  489.911944]  ? mark_held_locks+0x130/0x130
[  489.916063] (U) 
[  489.918470]  ? mark_held_locks+0x130/0x130
[  489.922684] 1*2048kB 
[  489.924656]  ? mark_held_locks+0xc7/0x130
[  489.928868] (M) 
[  489.931276]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  489.935398] 3*4096kB (M) 
[  489.937383]  ? graph_lock+0x170/0x170
[  489.942381] = 15908kB
[  489.945138]  ? print_usage_bug+0xc0/0xc0
[  489.948916] Node 0 
[  489.951323]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  489.955368] DMA32: 
[  489.957599]  ? check_preemption_disabled+0x48/0x200
[  489.963121] 5*4kB 
[  489.965364]  ? check_preemption_disabled+0x48/0x200
[  489.970360] (UM) 
[  489.972515]  ? __lock_is_held+0xb5/0x140
[  489.977498] 1*8kB (U) 
[  489.979572]  __alloc_pages_nodemask+0xa80/0xde0
[  489.983599] 4*16kB (UM) 
[  489.986105]  ? graph_lock+0x170/0x170
[  489.990749] 3*32kB 
[  489.993451]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  489.997219] (UM) 4*64kB 
[  489.999461]  ? graph_lock+0x170/0x170
[  490.004451] (M) 
[  490.007132]  ? find_held_lock+0x36/0x1c0
[  490.010900] 4*128kB 
[  490.012877]  ? ____cache_alloc_node+0x1c7/0x1e0
[  490.017253] (UM) 
[  490.019573]  ? lock_downgrade+0x900/0x900
[  490.024221] 3*256kB 
[  490.026286]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  490.030409] (M) 
[  490.032733]  cache_grow_begin+0x91/0x8c0
[  490.038242] 4*512kB 
[  490.040214]  ? do_raw_spin_unlock+0xa7/0x2f0
[  490.044257] (UM) 
[  490.046579]  fallback_alloc+0x203/0x2e0
[  490.050957] 3*1024kB 
[  490.053026]  ____cache_alloc_node+0x1c7/0x1e0
[  490.056975] (UM) 
[  490.059389]  kmem_cache_alloc_node+0xe3/0x730
[  490.063862] 3*2048kB 
[  490.065924]  ? ipv6_get_ifaddr+0x42e/0x620
[  490.070395] (UM) 
[  490.072815]  __alloc_skb+0x119/0x770
[  490.077441] 3*4096kB (M) 
[  490.079514]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  490.083201] = 25276kB
[  490.085963]  ? skb_scrub_packet+0x490/0x490
[  490.091217] Node 0 
[  490.093623]  ? lock_downgrade+0x900/0x900
[  490.097926] Normal: 
[  490.100164]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  490.104286] 1058*4kB 
[  490.106613]  ? refcount_sub_and_test_checked+0x203/0x310
[  490.112131] (UMEH) 
[  490.114543]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  490.119962] 417*8kB (UMEH) 
[  490.122203]  ? addrconf_rs_timer+0x6f0/0x6f0
[  490.127633] 179*16kB 
[  490.130571]  ndisc_alloc_skb+0x144/0x340
[  490.134948] (UME) 
[  490.137382]  ndisc_send_rs+0x331/0x6e0
[  490.141432] 63*32kB 
[  490.143576]  addrconf_rs_timer+0x3c0/0x6f0
[  490.147436] (UMEH) 
[  490.149758]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  490.153971] 21*64kB 
[  490.156214]  call_timer_fn+0x272/0x920
[  490.160417] (UMH) 
[  490.162750]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  490.166619] 2*128kB 
[  490.168759]  ? process_timeout+0x40/0x40
[  490.172971] (MH) 
[  490.175335]  ? find_held_lock+0x36/0x1c0
[  490.179381] 0*256kB 
[  490.181448]  ? __run_timers+0x7da/0xc70
[  490.185497] 0*512kB 
[  490.187818]  ? _raw_spin_unlock_irq+0x27/0x80
[  490.191763] 0*1024kB 
[  490.194083]  ? _raw_spin_unlock_irq+0x27/0x80
[  490.198553] 0*2048kB 
[  490.200956]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  490.205433] 0*4096kB 
[  490.207843]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  490.212051] = 14048kB
[  490.214457]  ? trace_hardirqs_on+0xbd/0x310
[  490.219019] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  490.221415]  ? kasan_check_read+0x11/0x20
[  490.225718] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  490.234545]  ? __run_timers+0x7da/0xc70
[  490.238681] 164 total pagecache pages
[  490.247282]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  490.251801] 0 pages in swap cache
[  490.255599]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  490.261031] Swap cache stats: add 0, delete 0, find 0/0
[  490.264475]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  490.268687] Free swap  = 0kB
[  490.274045]  __run_timers+0x7e5/0xc70
[  490.278257] Total swap = 0kB
[  490.281310]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  490.285095] 1965979 pages RAM
[  490.288118]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  490.293454] 0 pages HighMem/MovableOnly
[  490.296552]  ? graph_lock+0x170/0x170
[  490.301542] 344031 pages reserved
[  490.305507]  ? enqueue_hrtimer+0x1a5/0x560
[  490.309287] 0 pages cma reserved
[  490.312742]  ? lock_release+0x970/0x970
[  490.317021] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  490.320321]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  490.324329] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  490.330763]  ? find_held_lock+0x36/0x1c0
[  490.335926] syz-executor4 cpuset=
[  490.346411]  ? graph_lock+0x170/0x170
[  490.350451] syz4
[  490.353904]  ? pvclock_read_flags+0x160/0x160
[  490.357684]  mems_allowed=0
[  490.359656]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  490.372933]  ? check_preemption_disabled+0x48/0x200
[  490.377970]  ? __lock_is_held+0xb5/0x140
[  490.382036]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  490.387575]  ? check_preemption_disabled+0x48/0x200
[  490.392606]  run_timer_softirq+0x52/0xb0
[  490.396670]  ? rcu_read_lock_sched_held+0x108/0x120
[  490.401691]  __do_softirq+0x30b/0xad8
[  490.405504]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  490.410615]  ? pvclock_read_flags+0x160/0x160
[  490.415119]  ? lapic_next_event+0x5a/0x90
[  490.419272]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  490.424814]  ? check_preemption_disabled+0x48/0x200
[  490.429834]  ? check_preemption_disabled+0x48/0x200
[  490.434858]  ? kvm_clock_read+0x18/0x30
[  490.438837]  ? kvm_sched_clock_read+0x9/0x20
[  490.443249]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  490.448805]  ? check_preemption_disabled+0x48/0x200
[  490.453837]  irq_exit+0x17f/0x1c0
[  490.457295]  smp_apic_timer_interrupt+0x1cb/0x760
[  490.462141]  ? smp_reschedule_interrupt+0x109/0x650
[  490.467176]  ? smp_call_function_single_interrupt+0x650/0x650
[  490.473091]  ? interrupt_entry+0xb5/0xf0
[  490.477160]  ? trace_hardirqs_off_caller+0xbb/0x310
[  490.482178]  ? trace_hardirqs_off_caller+0xbb/0x310
[  490.487201]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  490.492068]  ? trace_hardirqs_on_caller+0x310/0x310
[  490.497614]  ? trace_hardirqs_on_caller+0x310/0x310
[  490.502658]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  490.508190]  ? check_preemption_disabled+0x48/0x200
[  490.513208]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  490.518756]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  490.523697]  apic_timer_interrupt+0xf/0x20
[  490.527925]  </IRQ>
[  490.530169] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  490.535116] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  490.554022] RSP: 0000:ffff8801866cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  490.561733] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  490.569005] RDX: 0000000000000000 RSI: ffff8801ce554f00 RDI: 0000000000000286
[  490.576272] RBP: ffff8801866cf7b0 R08: ffff8801ce554680 R09: 0000000000000000
[  490.583557] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  490.590831] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  490.598153]  skb_clone+0x1bb/0x500
[  490.601700]  ? finish_task_switch+0x2f5/0x900
[  490.606201]  ? skb_split+0x11e0/0x11e0
[  490.610097]  ? preempt_notifier_register+0x200/0x200
[  490.615216]  ? __switch_to_asm+0x34/0x70
[  490.619282]  ? __switch_to_asm+0x34/0x70
[  490.623344]  ? __switch_to_asm+0x40/0x70
[  490.627420]  ? __switch_to_asm+0x34/0x70
[  490.631489]  ? __switch_to_asm+0x40/0x70
[  490.635551]  ? __switch_to_asm+0x34/0x70
[  490.639613]  ? __switch_to_asm+0x40/0x70
[  490.643680]  ? __switch_to_asm+0x34/0x70
[  490.647748]  ? __switch_to_asm+0x34/0x70
[  490.651812]  ? __switch_to_asm+0x40/0x70
[  490.655883]  ? __switch_to_asm+0x34/0x70
[  490.659959]  bpf_clone_redirect+0xb9/0x490
[  490.664195]  ? __schedule+0x874/0x1ed0
[  490.668095]  bpf_prog_3d1649e183dc2cc1+0x379/0x1000
[  490.673127]  ? __sched_text_start+0x8/0x8
[  490.677288]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  490.682061]  ? find_held_lock+0x36/0x1c0
[  490.686137]  ? lock_acquire+0x1ed/0x520
[  490.691702]  ? bpf_test_run+0x32e/0x5a0
[  490.696723]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  490.702262]  ? check_preemption_disabled+0x48/0x200
[  490.707287]  ? kasan_check_read+0x11/0x20
[  490.711441]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  490.716724]  ? rcu_bh_qs+0xc0/0xc0
[  490.720272]  ? preempt_schedule+0x4d/0x60
[  490.724425]  ? ___preempt_schedule+0x16/0x18
[  490.728846]  ? bpf_test_run+0x1c0/0x5a0
[  490.732838]  ? netlink_diag_dump+0x2a0/0x2a0
[  490.737252]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  490.742792]  ? bpf_test_init.isra.9+0x70/0x100
[  490.747388]  ? bpf_prog_test_run_skb+0x634/0xb40
[  490.752157]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  490.757001]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  490.762976]  ? fput+0x130/0x1a0
[  490.766783]  ? __bpf_prog_get+0x9b/0x290
[  490.770853]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  490.775700]  ? bpf_prog_test_run+0x130/0x1a0
[  490.780988]  ? __x64_sys_bpf+0x3d8/0x510
[  490.785050]  ? bpf_prog_get+0x20/0x20
[  490.788876]  ? do_syscall_64+0x1b9/0x820
[  490.792944]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  490.798311]  ? syscall_return_slowpath+0x5e0/0x5e0
[  490.803242]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  490.808088]  ? trace_hardirqs_on_caller+0x310/0x310
[  490.813121]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  490.818147]  ? prepare_exit_to_usermode+0x291/0x3b0
[  490.823177]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  490.828037]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  490.833423] CPU: 0 PID: 11399 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  490.833494] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  490.840808] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  490.840814] Call Trace:
[  490.840821]  <IRQ>
[  490.840839]  dump_stack+0x1c4/0x2b4
[  490.840862]  ? dump_stack_print_info.cold.2+0x52/0x52
[  490.847526] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  490.856741]  warn_alloc.cold.119+0xb7/0x1bd
[  490.859281] syz-executor4 cpuset=
[  490.861431]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  490.865033] syz4
[  490.870221]  ? lock_downgrade+0x900/0x900
[  490.880687]  mems_allowed=0
[  490.885009]  ? trace_hardirqs_off+0xb8/0x310
[  490.909046]  ? trace_hardirqs_off+0xb8/0x310
[  490.913473]  __alloc_pages_slowpath+0x2667/0x2d80
[  490.918349]  ? warn_alloc+0x120/0x120
[  490.922173]  ? warn_alloc+0x120/0x120
[  490.925978]  ? print_usage_bug+0xc0/0xc0
[  490.930042]  ? warn_alloc+0x120/0x120
[  490.933845]  ? print_usage_bug+0xc0/0xc0
[  490.937912]  ? __lock_acquire+0x7ec/0x4ec0
[  490.942159]  ? __lock_acquire+0x7ec/0x4ec0
[  490.946398]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  490.951942]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  490.957497]  ? should_fail+0x22d/0xd01
[  490.961413]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  490.966521]  ? __lock_acquire+0x7ec/0x4ec0
[  490.970762]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  490.975866]  ? __lock_acquire+0x7ec/0x4ec0
[  490.980125]  ? should_fail+0x22d/0xd01
[  490.984046]  ? mark_held_locks+0x130/0x130
[  490.988311]  ? mark_held_locks+0x130/0x130
[  490.992557]  ? graph_lock+0x170/0x170
[  490.996379]  ? print_usage_bug+0xc0/0xc0
[  491.000465]  ? graph_lock+0x170/0x170
[  491.004287]  ? print_usage_bug+0xc0/0xc0
[  491.008362]  ? wq_watchdog_touch+0x9c/0xfe
[  491.012602]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  491.018333]  ? check_preemption_disabled+0x48/0x200
[  491.023368]  ? check_preemption_disabled+0x48/0x200
[  491.028402]  ? __lock_is_held+0xb5/0x140
[  491.032472]  __alloc_pages_nodemask+0xa80/0xde0
[  491.037143]  ? graph_lock+0x170/0x170
[  491.040960]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  491.045974]  ? graph_lock+0x170/0x170
[  491.049789]  ? find_held_lock+0x36/0x1c0
[  491.053863]  ? ____cache_alloc_node+0x1c7/0x1e0
[  491.058535]  ? lock_downgrade+0x900/0x900
[  491.062694]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  491.068243]  cache_grow_begin+0x91/0x8c0
[  491.073091]  ? do_raw_spin_unlock+0xa7/0x2f0
[  491.077511]  fallback_alloc+0x203/0x2e0
[  491.081495]  ____cache_alloc_node+0x1c7/0x1e0
[  491.086015]  kmem_cache_alloc_node+0xe3/0x730
[  491.090522]  ? ipv6_get_ifaddr+0x42e/0x620
[  491.094776]  __alloc_skb+0x119/0x770
[  491.098517]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  491.103820]  ? skb_scrub_packet+0x490/0x490
[  491.108174]  ? lock_downgrade+0x900/0x900
[  491.112387]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  491.117958]  ? refcount_sub_and_test_checked+0x203/0x310
[  491.123421]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  491.128891]  ? addrconf_rs_timer+0x6f0/0x6f0
[  491.133324]  ndisc_alloc_skb+0x144/0x340
[  491.137404]  ndisc_send_rs+0x331/0x6e0
[  491.141300]  addrconf_rs_timer+0x3c0/0x6f0
[  491.145542]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  491.149793]  call_timer_fn+0x272/0x920
[  491.153942]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  491.158528]  ? process_timeout+0x40/0x40
[  491.162595]  ? find_held_lock+0x36/0x1c0
[  491.166678]  ? __run_timers+0x7da/0xc70
[  491.170661]  ? _raw_spin_unlock_irq+0x27/0x80
[  491.175160]  ? _raw_spin_unlock_irq+0x27/0x80
[  491.179658]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  491.183896]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  491.188483]  ? trace_hardirqs_on+0xbd/0x310
[  491.192809]  ? kasan_check_read+0x11/0x20
[  491.196959]  ? __run_timers+0x7da/0xc70
[  491.200935]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  491.206393]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  491.210642]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  491.214880]  __run_timers+0x7e5/0xc70
[  491.218695]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  491.224065]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  491.229086]  ? graph_lock+0x170/0x170
[  491.232896]  ? enqueue_hrtimer+0x1a5/0x560
[  491.237134]  ? lock_release+0x970/0x970
[  491.241113]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  491.246312]  ? find_held_lock+0x36/0x1c0
[  491.250431]  ? graph_lock+0x170/0x170
[  491.254235]  ? pvclock_read_flags+0x160/0x160
[  491.258739]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  491.264282]  ? check_preemption_disabled+0x48/0x200
[  491.269315]  ? __lock_is_held+0xb5/0x140
[  491.273387]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  491.278929]  ? check_preemption_disabled+0x48/0x200
[  491.283961]  run_timer_softirq+0x52/0xb0
[  491.288041]  ? rcu_read_lock_sched_held+0x108/0x120
[  491.293060]  __do_softirq+0x30b/0xad8
[  491.296875]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  491.301988]  ? pvclock_read_flags+0x160/0x160
[  491.306490]  ? lapic_next_event+0x5a/0x90
[  491.310935]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  491.316475]  ? check_preemption_disabled+0x48/0x200
[  491.321492]  ? check_preemption_disabled+0x48/0x200
[  491.326520]  ? kvm_clock_read+0x18/0x30
[  491.330495]  ? kvm_sched_clock_read+0x9/0x20
[  491.334913]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  491.340453]  ? check_preemption_disabled+0x48/0x200
[  491.345488]  irq_exit+0x17f/0x1c0
[  491.348948]  smp_apic_timer_interrupt+0x1cb/0x760
[  491.353792]  ? smp_reschedule_interrupt+0x109/0x650
[  491.358815]  ? smp_call_function_single_interrupt+0x650/0x650
[  491.364792]  ? interrupt_entry+0xb5/0xf0
[  491.369063]  ? trace_hardirqs_off_caller+0xbb/0x310
[  491.374080]  ? trace_hardirqs_off_caller+0xbb/0x310
[  491.379103]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  491.383953]  ? trace_hardirqs_on_caller+0x310/0x310
[  491.389233]  ? trace_hardirqs_on_caller+0x310/0x310
[  491.394259]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  491.399801]  ? check_preemption_disabled+0x48/0x200
[  491.404820]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  491.410379]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  491.415237]  apic_timer_interrupt+0xf/0x20
[  491.419467]  </IRQ>
[  491.421708] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  491.426649] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  491.445553] RSP: 0000:ffff8801ba62f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  491.453265] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  491.460834] RDX: 0000000000000000 RSI: ffff8801b881aa80 RDI: 0000000000000286
[  491.468390] RBP: ffff8801ba62f7b0 R08: ffff8801b881a200 R09: 0000000000000000
[  491.475659] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  491.482930] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  491.490252]  skb_clone+0x1bb/0x500
[  491.493813]  ? finish_task_switch+0x1b5/0x900
[  491.498330]  ? skb_split+0x11e0/0x11e0
[  491.502230]  ? preempt_notifier_register+0x200/0x200
[  491.507340]  ? __switch_to_asm+0x34/0x70
[  491.511414]  ? __switch_to_asm+0x34/0x70
[  491.515475]  ? __switch_to_asm+0x40/0x70
[  491.519546]  ? __switch_to_asm+0x34/0x70
[  491.523616]  ? __switch_to_asm+0x40/0x70
[  491.527682]  ? __switch_to_asm+0x34/0x70
[  491.531742]  ? __switch_to_asm+0x40/0x70
[  491.535807]  ? __switch_to_asm+0x34/0x70
[  491.539878]  ? __switch_to_asm+0x34/0x70
[  491.543951]  ? __switch_to_asm+0x40/0x70
[  491.548021]  ? __switch_to_asm+0x34/0x70
[  491.552093]  bpf_clone_redirect+0xb9/0x490
[  491.556853]  ? __schedule+0x874/0x1ed0
[  491.560752]  bpf_prog_3d1649e183dc2cc1+0xcce/0x1000
[  491.565780]  ? __sched_text_start+0x8/0x8
[  491.569939]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  491.574709]  ? find_held_lock+0x36/0x1c0
[  491.578783]  ? lock_acquire+0x1ed/0x520
[  491.582761]  ? bpf_test_run+0x32e/0x5a0
[  491.586741]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  491.592807]  ? check_preemption_disabled+0x48/0x200
[  491.598362]  ? kasan_check_read+0x11/0x20
[  491.602519]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  491.607801]  ? rcu_bh_qs+0xc0/0xc0
[  491.611346]  ? preempt_schedule+0x4d/0x60
[  491.615508]  ? ___preempt_schedule+0x16/0x18
[  491.619931]  ? bpf_test_run+0x1c0/0x5a0
[  491.623924]  ? netlink_diag_dump+0x2a0/0x2a0
[  491.628340]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  491.633893]  ? bpf_test_init.isra.9+0x70/0x100
[  491.638485]  ? bpf_prog_test_run_skb+0x634/0xb40
[  491.643253]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  491.648099]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  491.653645]  ? fput+0x130/0x1a0
[  491.656928]  ? __bpf_prog_get+0x9b/0x290
[  491.660996]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  491.665840]  ? bpf_prog_test_run+0x130/0x1a0
[  491.670258]  ? __x64_sys_bpf+0x3d8/0x510
[  491.674321]  ? bpf_prog_get+0x20/0x20
[  491.678159]  ? do_syscall_64+0x1b9/0x820
[  491.682227]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  491.687598]  ? syscall_return_slowpath+0x5e0/0x5e0
[  491.692540]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  491.697392]  ? trace_hardirqs_on_caller+0x310/0x310
[  491.702416]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  491.707443]  ? prepare_exit_to_usermode+0x291/0x3b0
[  491.712471]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  491.717328]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  491.722715] warn_alloc_show_mem: 1 callbacks suppressed
[  491.722726] CPU: 1 PID: 11390 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  491.722728] Mem-Info:
[  491.722760] active_anon:122480 inactive_anon:112 isolated_anon:0
[  491.722760]  active_file:16 inactive_file:5 isolated_file:0
[  491.722760]  unevictable:0 dirty:0 writeback:0 unstable:0
[  491.722760]  slab_reclaimable:9164 slab_unreclaimable:1399977
[  491.722760]  mapped:40962 shmem:118 pagetables:796 bounce:0
[  491.722760]  free:13728 free_pcp:0 free_cma:0
[  491.728109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  491.735481] Node 0 active_anon:489920kB inactive_anon:448kB active_file:64kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:472kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 471040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  491.737880] Call Trace:
[  491.772579] Node 0 
[  491.781929]  <IRQ>
[  491.809878] 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
[  491.812739]  dump_stack+0x1c4/0x2b4
[  491.814938] lowmem_reserve[]: 0
[  491.817101]  ? dump_stack_print_info.cold.2+0x52/0x52
[  491.843104]  2813
[  491.848051]  warn_alloc.cold.119+0xb7/0x1bd
[  491.852327]  6317 6317
[  491.858231]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  491.864583]  ? lock_downgrade+0x900/0x900
[  491.867054] Node 0 
[  491.871895]  ? trace_hardirqs_off+0xb8/0x310
[  491.876037] DMA32 free:25276kB min:30028kB low:37532kB high:45036kB active_anon:12288kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2884608kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  491.878246]  ? trace_hardirqs_off+0xb8/0x310
[  491.882623] lowmem_reserve[]: 0
[  491.909533]  __alloc_pages_slowpath+0x2667/0x2d80
[  491.913915]  0
[  491.917222]  ? warn_alloc+0x120/0x120
[  491.922012]  3503 3503
[  491.923820]  ? trace_hardirqs_on+0x310/0x310
[  491.927603] Node 0 
[  491.930100]  ? warn_alloc+0x120/0x120
[  491.934509] Normal free:13728kB min:37384kB low:46728kB high:56072kB active_anon:477632kB inactive_anon:448kB active_file:64kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3587276kB mlocked:0kB kernel_stack:5408kB pagetables:3184kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  491.936721]  ? print_usage_bug+0xc0/0xc0
[  491.940493] lowmem_reserve[]:
[  491.968948]  ? warn_alloc+0x120/0x120
[  491.972992]  0
[  491.976098]  ? ktime_get+0x2e1/0x440
[  491.979877]  0
[  491.981680]  ? print_usage_bug+0xc0/0xc0
[  491.985376]  0
[  491.987178]  ? __lock_acquire+0x7ec/0x4ec0
[  491.991212]  0
[  491.993270]  ? __lock_acquire+0x7ec/0x4ec0
[  491.997744] Node 0 
[  491.999545]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  492.003745] DMA: 1*4kB 
[  492.005995]  ? should_fail+0x22d/0xd01
[  492.011775] (U) 
[  492.014615]  ? __lock_acquire+0x7ec/0x4ec0
[  492.018496] 0*8kB 0*16kB 
[  492.020487]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  492.024701] 1*32kB 
[  492.027457]  ? __lock_acquire+0x7ec/0x4ec0
[  492.032535] (U) 
[  492.034771]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  492.038978] 2*64kB 
[  492.040952]  ? __lock_acquire+0x7ec/0x4ec0
[  492.046036] (U) 
[  492.048265]  ? should_fail+0x22d/0xd01
[  492.048291]  ? mark_held_locks+0x130/0x130
[  492.052518] 1*128kB 
[  492.054492]  ? mark_held_locks+0x130/0x130
[  492.058362] (U) 
[  492.062602]  ? graph_lock+0x170/0x170
[  492.064901] 1*256kB (U) 
[  492.069146]  ? print_usage_bug+0xc0/0xc0
[  492.071097] 0*512kB 1*1024kB 
[  492.074909]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  492.077559] (U) 
[  492.081617]  ? check_preemption_disabled+0x48/0x200
[  492.084709] 1*2048kB 
[  492.090234]  ? check_preemption_disabled+0x48/0x200
[  492.092194] (M) 
[  492.097211]  ? __lock_is_held+0xb5/0x140
[  492.099592] 3*4096kB 
[  492.104604]  __alloc_pages_nodemask+0xa80/0xde0
[  492.106556] (M) 
[  492.110612]  ? graph_lock+0x170/0x170
[  492.113008] = 15908kB
[  492.117699]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  492.119651] Node 0 
[  492.123450]  ? graph_lock+0x170/0x170
[  492.125837] DMA32: 
[  492.130856]  ? find_held_lock+0x36/0x1c0
[  492.133066] 5*4kB 
[  492.136865]  ? ____cache_alloc_node+0x1c7/0x1e0
[  492.139071] (UM) 
[  492.143131]  ? lock_downgrade+0x900/0x900
[  492.145250] 1*8kB (U) 
[  492.149928]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  492.151960] 4*16kB (UM) 
[  492.156120]  cache_grow_begin+0x91/0x8c0
[  492.158591] 3*32kB 
[  492.164128]  ? do_raw_spin_unlock+0xa7/0x2f0
[  492.166769] (UM) 
[  492.170831]  fallback_alloc+0x203/0x2e0
[  492.173038] 4*64kB (M) 
[  492.177453]  ____cache_alloc_node+0x1c7/0x1e0
[  492.179499] 4*128kB (UM) 
[  492.183534]  kmem_cache_alloc_node+0xe3/0x730
[  492.186117] 3*256kB (M) 
[  492.190618]  ? ipv6_get_ifaddr+0x42e/0x620
[  492.193368] 4*512kB 
[  492.197864]  __alloc_skb+0x119/0x770
[  492.200506] (UM) 
[  492.204760]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  492.207059] 3*1024kB 
[  492.210767]  ? skb_scrub_packet+0x490/0x490
[  492.212803] (UM) 
[  492.218076]  ? lock_downgrade+0x900/0x900
[  492.220467] 3*2048kB 
[  492.224785]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  492.226818] (UM) 
[  492.230962]  ? refcount_sub_and_test_checked+0x203/0x310
[  492.233346] 3*4096kB 
[  492.238883]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  492.240919] (M) 
[  492.246375]  ? addrconf_rs_timer+0x6f0/0x6f0
[  492.248762] = 25276kB
[  492.254218]  ndisc_alloc_skb+0x144/0x340
[  492.256162] Node 0 
[  492.260563]  ndisc_send_rs+0x331/0x6e0
[  492.262949] Normal: 
[  492.267004]  addrconf_rs_timer+0x3c0/0x6f0
[  492.269217] 1058*4kB 
[  492.273097]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  492.275394] (UMEH) 
[  492.279634]  call_timer_fn+0x272/0x920
[  492.282022] 417*8kB 
[  492.286248]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  492.288493] (UMEH) 
[  492.292383]  ? process_timeout+0x40/0x40
[  492.294686] 179*16kB 
[  492.298919]  ? find_held_lock+0x36/0x1c0
[  492.301134] (UME) 
[  492.305200]  ? __run_timers+0x7da/0xc70
[  492.307579] 63*32kB (UMEH) 
[  492.311646]  ? _raw_spin_unlock_irq+0x27/0x80
[  492.313768] 21*64kB 
[  492.317736]  ? _raw_spin_unlock_irq+0x27/0x80
[  492.320643] (UMH) 
[  492.325132]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  492.327430] 2*128kB (MH) 
[  492.332632]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  492.334756] 0*256kB 
[  492.338984]  ? trace_hardirqs_on+0xbd/0x310
[  492.341711] 0*512kB 0*1024kB 
[  492.346299]  ? kasan_check_read+0x11/0x20
[  492.348599] 0*2048kB 
[  492.352916]  ? __run_timers+0x7da/0xc70
[  492.355994] 0*4096kB 
[  492.360139]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  492.362526] = 14048kB
[  492.366742]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  492.369136] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  492.374574]  __run_timers+0x7e5/0xc70
[  492.376966] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  492.381201]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  492.390004] 164 total pagecache pages
[  492.393799]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  492.402364] 0 pages in swap cache
[  492.407716]  ? graph_lock+0x170/0x170
[  492.411494] Swap cache stats: add 0, delete 0, find 0/0
[  492.416499]  ? enqueue_hrtimer+0x1a5/0x560
[  492.419932] Free swap  = 0kB
[  492.423725]  ? lock_release+0x970/0x970
[  492.429068] Total swap = 0kB
[  492.433298]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  492.436295] 1965979 pages RAM
[  492.440264]  ? find_held_lock+0x36/0x1c0
[  492.443253] 0 pages HighMem/MovableOnly
[  492.443261] 344031 pages reserved
[  492.448449]  ? graph_lock+0x170/0x170
[  492.451529] 0 pages cma reserved
[  492.455585]  ? pvclock_read_flags+0x160/0x160
[  492.459597] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  492.462985]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  492.466823] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  492.470130]  ? check_preemption_disabled+0x48/0x200
[  492.474598] syz-executor4 cpuset=
[  492.481092]  ? __lock_is_held+0xb5/0x140
[  492.486600] syz4
[  492.497537]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  492.502536]  mems_allowed=0
[  492.505985]  ? check_preemption_disabled+0x48/0x200
[  492.525446]  run_timer_softirq+0x52/0xb0
[  492.529516]  ? rcu_read_lock_sched_held+0x108/0x120
[  492.534799]  __do_softirq+0x30b/0xad8
[  492.539100]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  492.544222]  ? pvclock_read_flags+0x160/0x160
[  492.548720]  ? lapic_next_event+0x5a/0x90
[  492.552874]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  492.558416]  ? check_preemption_disabled+0x48/0x200
[  492.563433]  ? check_preemption_disabled+0x48/0x200
[  492.568459]  ? kvm_clock_read+0x18/0x30
[  492.572439]  ? kvm_sched_clock_read+0x9/0x20
[  492.576851]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  492.582389]  ? check_preemption_disabled+0x48/0x200
[  492.587419]  irq_exit+0x17f/0x1c0
[  492.590878]  smp_apic_timer_interrupt+0x1cb/0x760
[  492.595724]  ? smp_reschedule_interrupt+0x109/0x650
[  492.600741]  ? smp_call_function_single_interrupt+0x650/0x650
[  492.606629]  ? interrupt_entry+0xb5/0xf0
[  492.610700]  ? trace_hardirqs_off_caller+0xbb/0x310
[  492.615720]  ? trace_hardirqs_off_caller+0xbb/0x310
[  492.620743]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  492.625591]  ? trace_hardirqs_on_caller+0x310/0x310
[  492.630608]  ? trace_hardirqs_on_caller+0x310/0x310
[  492.635628]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  492.641167]  ? check_preemption_disabled+0x48/0x200
[  492.646183]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  492.651735]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  492.656602]  apic_timer_interrupt+0xf/0x20
[  492.660858]  </IRQ>
[  492.663131] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  492.668064] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  492.687538] RSP: 0000:ffff8801866cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  492.695249] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  492.702516] RDX: 0000000000000000 RSI: ffff8801ce554f00 RDI: 0000000000000286
[  492.709782] RBP: ffff8801866cf7b0 R08: ffff8801ce554680 R09: 0000000000000000
[  492.717047] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  492.724317] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  492.731804]  skb_clone+0x1bb/0x500
[  492.735349]  ? finish_task_switch+0x2f5/0x900
[  492.741167]  ? skb_split+0x11e0/0x11e0
[  492.745496]  ? preempt_notifier_register+0x200/0x200
[  492.750603]  ? __switch_to_asm+0x34/0x70
[  492.754673]  ? __switch_to_asm+0x34/0x70
[  492.758736]  ? __switch_to_asm+0x40/0x70
[  492.762798]  ? __switch_to_asm+0x34/0x70
[  492.766862]  ? __switch_to_asm+0x40/0x70
[  492.770925]  ? __switch_to_asm+0x34/0x70
[  492.774997]  ? __switch_to_asm+0x40/0x70
[  492.779058]  ? __switch_to_asm+0x34/0x70
[  492.783128]  ? __switch_to_asm+0x34/0x70
[  492.787192]  ? __switch_to_asm+0x40/0x70
[  492.791252]  ? __switch_to_asm+0x34/0x70
[  492.795328]  bpf_clone_redirect+0xb9/0x490
[  492.799574]  ? __schedule+0x874/0x1ed0
[  492.803474]  bpf_prog_3d1649e183dc2cc1+0x379/0x1000
[  492.808496]  ? __sched_text_start+0x8/0x8
[  492.812653]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  492.817421]  ? find_held_lock+0x36/0x1c0
[  492.821495]  ? lock_acquire+0x1ed/0x520
[  492.825478]  ? bpf_test_run+0x32e/0x5a0
[  492.829456]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  492.835780]  ? check_preemption_disabled+0x48/0x200
[  492.841239]  ? kasan_check_read+0x11/0x20
[  492.845399]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  492.850684]  ? rcu_bh_qs+0xc0/0xc0
[  492.854227]  ? preempt_schedule+0x4d/0x60
[  492.858387]  ? ___preempt_schedule+0x16/0x18
[  492.862807]  ? bpf_test_run+0x1c0/0x5a0
[  492.866796]  ? netlink_diag_dump+0x2a0/0x2a0
[  492.871210]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  492.876794]  ? bpf_test_init.isra.9+0x70/0x100
[  492.881392]  ? bpf_prog_test_run_skb+0x634/0xb40
[  492.886162]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  492.891007]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  492.896546]  ? fput+0x130/0x1a0
[  492.899828]  ? __bpf_prog_get+0x9b/0x290
[  492.903897]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  492.908743]  ? bpf_prog_test_run+0x130/0x1a0
[  492.913167]  ? __x64_sys_bpf+0x3d8/0x510
[  492.917234]  ? bpf_prog_get+0x20/0x20
[  492.921062]  ? do_syscall_64+0x1b9/0x820
[  492.925134]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  492.930503]  ? syscall_return_slowpath+0x5e0/0x5e0
[  492.935436]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  492.940283]  ? trace_hardirqs_on_caller+0x310/0x310
[  492.945304]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  492.950324]  ? prepare_exit_to_usermode+0x291/0x3b0
[  492.955365]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  492.960227]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  492.965619] CPU: 0 PID: 11399 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  492.965687] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  492.972987] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  492.972992] Call Trace:
[  492.972999]  <IRQ>
[  492.973016]  dump_stack+0x1c4/0x2b4
[  492.973035]  ? dump_stack_print_info.cold.2+0x52/0x52
[  492.973062]  warn_alloc.cold.119+0xb7/0x1bd
[  492.979623] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  492.988887]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  492.992058] syz-executor4 cpuset=
[  492.994812]  ? lock_downgrade+0x900/0x900
[  492.999697] syz4
[  493.006278]  ? trace_hardirqs_off+0xb8/0x310
[  493.010841]  mems_allowed=0
[  493.021318]  ? trace_hardirqs_off+0xb8/0x310
[  493.048526]  __alloc_pages_slowpath+0x2667/0x2d80
[  493.053409]  ? warn_alloc+0x120/0x120
[  493.057225]  ? warn_alloc+0x120/0x120
[  493.061030]  ? print_usage_bug+0xc0/0xc0
[  493.065094]  ? warn_alloc+0x120/0x120
[  493.068899]  ? print_usage_bug+0xc0/0xc0
[  493.072975]  ? __lock_acquire+0x7ec/0x4ec0
[  493.077213]  ? __lock_acquire+0x7ec/0x4ec0
[  493.082060]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  493.089771]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  493.096884]  ? should_fail+0x22d/0xd01
[  493.102159]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  493.108738]  ? __lock_acquire+0x7ec/0x4ec0
[  493.112983]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  493.118087]  ? __lock_acquire+0x7ec/0x4ec0
[  493.122323]  ? should_fail+0x22d/0xd01
[  493.126236]  ? mark_held_locks+0x130/0x130
[  493.130479]  ? mark_held_locks+0x130/0x130
[  493.134720]  ? graph_lock+0x170/0x170
[  493.138526]  ? print_usage_bug+0xc0/0xc0
[  493.142590]  ? graph_lock+0x170/0x170
[  493.146397]  ? print_usage_bug+0xc0/0xc0
[  493.150459]  ? wq_watchdog_touch+0x9c/0xfe
[  493.154700]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  493.160240]  ? check_preemption_disabled+0x48/0x200
[  493.165272]  ? check_preemption_disabled+0x48/0x200
[  493.170306]  ? __lock_is_held+0xb5/0x140
[  493.174387]  __alloc_pages_nodemask+0xa80/0xde0
[  493.179058]  ? graph_lock+0x170/0x170
[  493.182865]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  493.188312]  ? graph_lock+0x170/0x170
[  493.192127]  ? find_held_lock+0x36/0x1c0
[  493.196204]  ? ____cache_alloc_node+0x1c7/0x1e0
[  493.200877]  ? lock_downgrade+0x900/0x900
[  493.205035]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  493.210579]  cache_grow_begin+0x91/0x8c0
[  493.214651]  ? do_raw_spin_unlock+0xa7/0x2f0
[  493.219070]  fallback_alloc+0x203/0x2e0
[  493.223057]  ____cache_alloc_node+0x1c7/0x1e0
[  493.227562]  kmem_cache_alloc_node+0xe3/0x730
[  493.232062]  ? ipv6_get_ifaddr+0x42e/0x620
[  493.236314]  __alloc_skb+0x119/0x770
[  493.240034]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  493.245323]  ? skb_scrub_packet+0x490/0x490
[  493.249656]  ? lock_downgrade+0x900/0x900
[  493.253819]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  493.259367]  ? refcount_sub_and_test_checked+0x203/0x310
[  493.264826]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  493.270279]  ? addrconf_rs_timer+0x6f0/0x6f0
[  493.274707]  ndisc_alloc_skb+0x144/0x340
[  493.278795]  ndisc_send_rs+0x331/0x6e0
[  493.282691]  addrconf_rs_timer+0x3c0/0x6f0
[  493.286935]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  493.291191]  call_timer_fn+0x272/0x920
[  493.295082]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  493.299322]  ? process_timeout+0x40/0x40
[  493.303401]  ? find_held_lock+0x36/0x1c0
[  493.307476]  ? __run_timers+0x7da/0xc70
[  493.311462]  ? _raw_spin_unlock_irq+0x27/0x80
[  493.315995]  ? _raw_spin_unlock_irq+0x27/0x80
[  493.320511]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  493.324753]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  493.329340]  ? trace_hardirqs_on+0xbd/0x310
[  493.333674]  ? kasan_check_read+0x11/0x20
[  493.337829]  ? __run_timers+0x7da/0xc70
[  493.341806]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  493.347266]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  493.351508]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  493.355747]  __run_timers+0x7e5/0xc70
[  493.359567]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  493.364938]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  493.370191]  ? graph_lock+0x170/0x170
[  493.374005]  ? enqueue_hrtimer+0x1a5/0x560
[  493.378243]  ? lock_release+0x970/0x970
[  493.382222]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  493.387424]  ? find_held_lock+0x36/0x1c0
[  493.391526]  ? graph_lock+0x170/0x170
[  493.395330]  ? pvclock_read_flags+0x160/0x160
[  493.399837]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  493.407109]  ? check_preemption_disabled+0x48/0x200
[  493.412669]  ? __lock_is_held+0xb5/0x140
[  493.416734]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  493.422708]  ? check_preemption_disabled+0x48/0x200
[  493.427994]  run_timer_softirq+0x52/0xb0
[  493.432060]  ? rcu_read_lock_sched_held+0x108/0x120
[  493.437083]  __do_softirq+0x30b/0xad8
[  493.440895]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  493.446006]  ? pvclock_read_flags+0x160/0x160
[  493.450528]  ? lapic_next_event+0x5a/0x90
[  493.454692]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  493.461185]  ? check_preemption_disabled+0x48/0x200
[  493.466200]  ? check_preemption_disabled+0x48/0x200
[  493.471226]  ? kvm_clock_read+0x18/0x30
[  493.475205]  ? kvm_sched_clock_read+0x9/0x20
[  493.479628]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  493.485178]  ? check_preemption_disabled+0x48/0x200
[  493.490207]  irq_exit+0x17f/0x1c0
[  493.493666]  smp_apic_timer_interrupt+0x1cb/0x760
[  493.498508]  ? smp_reschedule_interrupt+0x109/0x650
[  493.503532]  ? smp_call_function_single_interrupt+0x650/0x650
[  493.509424]  ? interrupt_entry+0xb5/0xf0
[  493.513489]  ? trace_hardirqs_off_caller+0xbb/0x310
[  493.518508]  ? trace_hardirqs_off_caller+0xbb/0x310
[  493.523531]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  493.528389]  ? trace_hardirqs_on_caller+0x310/0x310
[  493.533409]  ? trace_hardirqs_on_caller+0x310/0x310
[  493.538428]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  493.543965]  ? check_preemption_disabled+0x48/0x200
[  493.548984]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  493.554530]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  493.559393]  apic_timer_interrupt+0xf/0x20
[  493.563630]  </IRQ>
[  493.565872] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  493.570804] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  493.589706] RSP: 0000:ffff8801ba62f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  493.597418] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  493.604689] RDX: 0000000000000000 RSI: ffff8801b881aa80 RDI: 0000000000000286
[  493.611958] RBP: ffff8801ba62f7b0 R08: ffff8801b881a200 R09: 0000000000000000
[  493.619226] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  493.626496] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  493.633812]  skb_clone+0x1bb/0x500
[  493.637391]  ? finish_task_switch+0x1b5/0x900
[  493.641896]  ? skb_split+0x11e0/0x11e0
[  493.646136]  ? preempt_notifier_register+0x200/0x200
[  493.652893]  ? __switch_to_asm+0x34/0x70
[  493.656958]  ? __switch_to_asm+0x34/0x70
[  493.661019]  ? __switch_to_asm+0x40/0x70
[  493.665081]  ? __switch_to_asm+0x34/0x70
[  493.669141]  ? __switch_to_asm+0x40/0x70
[  493.673207]  ? __switch_to_asm+0x34/0x70
[  493.677273]  ? __switch_to_asm+0x40/0x70
[  493.681334]  ? __switch_to_asm+0x34/0x70
[  493.685435]  ? __switch_to_asm+0x34/0x70
[  493.689497]  ? __switch_to_asm+0x40/0x70
[  493.693557]  ? __switch_to_asm+0x34/0x70
[  493.697630]  bpf_clone_redirect+0xb9/0x490
[  493.701869]  ? __schedule+0x874/0x1ed0
[  493.705763]  bpf_prog_3d1649e183dc2cc1+0xcce/0x1000
[  493.710787]  ? __sched_text_start+0x8/0x8
[  493.714940]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  493.719706]  ? find_held_lock+0x36/0x1c0
[  493.723778]  ? lock_acquire+0x1ed/0x520
[  493.727756]  ? bpf_test_run+0x32e/0x5a0
[  493.731738]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  493.737279]  ? check_preemption_disabled+0x48/0x200
[  493.742305]  ? kasan_check_read+0x11/0x20
[  493.746459]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  493.751756]  ? rcu_bh_qs+0xc0/0xc0
[  493.755302]  ? preempt_schedule+0x4d/0x60
[  493.759459]  ? ___preempt_schedule+0x16/0x18
[  493.763890]  ? bpf_test_run+0x1c0/0x5a0
[  493.767891]  ? netlink_diag_dump+0x2a0/0x2a0
[  493.772304]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  493.777854]  ? bpf_test_init.isra.9+0x70/0x100
[  493.782462]  ? bpf_prog_test_run_skb+0x634/0xb40
[  493.787259]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  493.792131]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  493.797671]  ? fput+0x130/0x1a0
[  493.800956]  ? __bpf_prog_get+0x9b/0x290
[  493.805026]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  493.809873]  ? bpf_prog_test_run+0x130/0x1a0
[  493.814292]  ? __x64_sys_bpf+0x3d8/0x510
[  493.818363]  ? bpf_prog_get+0x20/0x20
[  493.822189]  ? do_syscall_64+0x1b9/0x820
[  493.826254]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  493.832850]  ? syscall_return_slowpath+0x5e0/0x5e0
[  493.838328]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  493.843197]  ? trace_hardirqs_on_caller+0x310/0x310
[  493.848241]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  493.853275]  ? prepare_exit_to_usermode+0x291/0x3b0
[  493.858302]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  493.863159]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  493.868541] warn_alloc_show_mem: 1 callbacks suppressed
[  493.868553] CPU: 1 PID: 11390 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  493.868555] Mem-Info:
[  493.868587] active_anon:122480 inactive_anon:112 isolated_anon:0
[  493.868587]  active_file:16 inactive_file:5 isolated_file:0
[  493.868587]  unevictable:0 dirty:0 writeback:0 unstable:0
[  493.868587]  slab_reclaimable:9164 slab_unreclaimable:1399977
[  493.868587]  mapped:40962 shmem:118 pagetables:796 bounce:0
[  493.868587]  free:13728 free_pcp:0 free_cma:0
[  493.873926] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  493.881290] Node 0 active_anon:489920kB inactive_anon:448kB active_file:64kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:472kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 471040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  493.883690] Call Trace:
[  493.916395] Node 0 
[  493.925734]  <IRQ>
[  493.925756]  dump_stack+0x1c4/0x2b4
[  493.953262] 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
[  493.955823]  ? dump_stack_print_info.cold.2+0x52/0x52
[  493.958026] lowmem_reserve[]: 0
[  493.960193]  warn_alloc.cold.119+0xb7/0x1bd
[  493.963786]  2813
[  493.989288]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  493.994444]  6317 6317
[  493.997733]  ? lock_downgrade+0x900/0x900
[  494.004096]  ? trace_hardirqs_off+0xb8/0x310
[  494.008907] Node 0 
[  494.011410]  ? trace_hardirqs_off+0xb8/0x310
[  494.015557] DMA32 free:25276kB min:30028kB low:37532kB high:45036kB active_anon:12288kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2884608kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  494.019942]  __alloc_pages_slowpath+0x2667/0x2d80
[  494.022141] lowmem_reserve[]: 0
[  494.026579]  ? warn_alloc+0x120/0x120
[  494.053412]  0 3503
[  494.058262]  ? trace_hardirqs_on+0x310/0x310
[  494.061514]  3503
[  494.065320]  ? warn_alloc+0x120/0x120
[  494.067537] Node 0 
[  494.071945]  ? print_usage_bug+0xc0/0xc0
[  494.074029] Normal free:13728kB min:37384kB low:46728kB high:56072kB active_anon:477632kB inactive_anon:448kB active_file:64kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3587276kB mlocked:0kB kernel_stack:5408kB pagetables:3184kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  494.077790]  ? warn_alloc+0x120/0x120
[  494.080016] lowmem_reserve[]:
[  494.084075]  ? ktime_get+0x2e1/0x440
[  494.112332]  0
[  494.116177]  ? print_usage_bug+0xc0/0xc0
[  494.119253]  0 0
[  494.122978]  ? __lock_acquire+0x7ec/0x4ec0
[  494.124783]  0
[  494.128840]  ? __lock_acquire+0x7ec/0x4ec0
[  494.130794] Node 0 
[  494.135198]  ? kasan_check_read+0x11/0x20
[  494.136979] DMA: 
[  494.141210]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  494.143421] 1*4kB 
[  494.147564]  ? should_fail+0x22d/0xd01
[  494.149600] (U) 
[  494.155142]  ? rcu_bh_qs+0xc0/0xc0
[  494.157270] 0*8kB 
[  494.161170]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  494.163136] 0*16kB 
[  494.166664]  ? __lock_acquire+0x7ec/0x4ec0
[  494.166686]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  494.168811] 1*32kB (U) 
[  494.173918]  ? __lock_acquire+0x7ec/0x4ec0
[  494.176134] 2*64kB 
[  494.180370]  ? should_fail+0x22d/0xd01
[  494.185444] (U) 
[  494.188024]  ? rcu_idle_enter+0x4b0/0x4b0
[  494.192231] 1*128kB 
[  494.194469]  ? mark_held_locks+0x130/0x130
[  494.198325] (U) 1*256kB 
[  494.200325]  ? mark_held_locks+0x130/0x130
[  494.204449] (U) 
[  494.206769]  ? mark_held_locks+0xc7/0x130
[  494.210984] 0*512kB 
[  494.213669]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  494.217888] 1*1024kB 
[  494.219860]  ? graph_lock+0x170/0x170
[  494.223985] (U) 
[  494.226564]  ? print_usage_bug+0xc0/0xc0
[  494.231554] 1*2048kB 
[  494.233983]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  494.237763] (M) 
[  494.239737]  ? check_preemption_disabled+0x48/0x200
[  494.243771] 3*4096kB (M) 
[  494.246444]  ? check_preemption_disabled+0x48/0x200
[  494.251960] = 15908kB
[  494.253937]  ? __lock_is_held+0xb5/0x140
[  494.258942] Node 0 
[  494.261702]  __alloc_pages_nodemask+0xa80/0xde0
[  494.266691] DMA32: 
[  494.269096]  ? graph_lock+0x170/0x170
[  494.273136] 5*4kB 
[  494.275381]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  494.281081] (UM) 
[  494.283314]  ? graph_lock+0x170/0x170
[  494.287093] 1*8kB (U) 
[  494.289349]  ? find_held_lock+0x36/0x1c0
[  494.294341] 4*16kB 
[  494.296413]  ? ____cache_alloc_node+0x1c7/0x1e0
[  494.300188] (UM) 
[  494.302685]  ? lock_downgrade+0x900/0x900
[  494.306726] 3*32kB 
[  494.308965]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  494.313604] (UM) 
[  494.315668]  cache_grow_begin+0x91/0x8c0
[  494.319794] 4*64kB 
[  494.322030]  ? do_raw_spin_unlock+0xa7/0x2f0
[  494.327541] (M) 
[  494.329606]  fallback_alloc+0x203/0x2e0
[  494.333843] 4*128kB 
[  494.336078]  ____cache_alloc_node+0x1c7/0x1e0
[  494.340457] (UM) 
[  494.342449]  kmem_cache_alloc_node+0xe3/0x730
[  494.346392] 3*256kB (M) 
[  494.348720]  ? ipv6_get_ifaddr+0x42e/0x620
[  494.353233] 4*512kB 
[  494.355318]  __alloc_skb+0x119/0x770
[  494.359777] (UM) 3*1024kB 
[  494.362459]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  494.366886] (UM) 3*2048kB 
[  494.369221]  ? skb_scrub_packet+0x490/0x490
[  494.372900] (UM) 3*4096kB 
[  494.375747]  ? lock_downgrade+0x900/0x900
[  494.380993] (M) = 25276kB
[  494.383851]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  494.388146] Node 0 
[  494.391017]  ? refcount_sub_and_test_checked+0x203/0x310
[  494.395141] Normal: 
[  494.397892]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  494.403409] 1058*4kB 
[  494.405643]  ? addrconf_rs_timer+0x6f0/0x6f0
[  494.411067] (UMEH) 
[  494.413399]  ndisc_alloc_skb+0x144/0x340
[  494.418827] 417*8kB 
[  494.421233]  ndisc_send_rs+0x331/0x6e0
[  494.425612] (UMEH) 
[  494.427858]  addrconf_rs_timer+0x3c0/0x6f0
[  494.431912] 179*16kB (UME) 
[  494.434242]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  494.438098] 63*32kB (UMEH) 
[  494.440363]  call_timer_fn+0x272/0x920
[  494.444571] 21*64kB 
[  494.447496]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  494.451708] (UMH) 
[  494.454633]  ? process_timeout+0x40/0x40
[  494.454650]  ? find_held_lock+0x36/0x1c0
[  494.458521] 2*128kB 
[  494.460849]  ? __run_timers+0x7da/0xc70
[  494.465054] (MH) 
[  494.467204]  ? _raw_spin_unlock_irq+0x27/0x80
[  494.471235] 0*256kB 0*512kB 
[  494.475309]  ? _raw_spin_unlock_irq+0x27/0x80
[  494.477620] 0*1024kB 
[  494.481582]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  494.483623] 0*2048kB 
[  494.488109]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  494.491106] 0*4096kB 
[  494.495604]  ? trace_hardirqs_on+0xbd/0x310
[  494.498135] = 14048kB
[  494.498150] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  494.502384]  ? kasan_check_read+0x11/0x20
[  494.504783] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  494.509369]  ? __run_timers+0x7da/0xc70
[  494.511746] 164 total pagecache pages
[  494.511762] 0 pages in swap cache
[  494.516075]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  494.518458] Swap cache stats: add 0, delete 0, find 0/0
[  494.518467] Free swap  = 0kB
[  494.527296]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  494.531414] Total swap = 0kB
[  494.531423] 1965979 pages RAM
[  494.540008]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  494.543953] 0 pages HighMem/MovableOnly
[  494.543962] 344031 pages reserved
[  494.547762]  __run_timers+0x7e5/0xc70
[  494.551191] 0 pages cma reserved
[  494.557343]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  494.562736] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  494.565685]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  494.569993] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  494.572920]  ? graph_lock+0x170/0x170
[  494.576006] syz-executor4 cpuset=
[  494.580237]  ? enqueue_hrtimer+0x1a5/0x560
[  494.584190] syz4
[  494.587629]  ? lock_release+0x970/0x970
[  494.587645]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  494.591428]  mems_allowed=0
[  494.594788]  ? find_held_lock+0x36/0x1c0
[  494.651609]  ? graph_lock+0x170/0x170
[  494.655421]  ? pvclock_read_flags+0x160/0x160
[  494.659922]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  494.665466]  ? check_preemption_disabled+0x48/0x200
[  494.670499]  ? __lock_is_held+0xb5/0x140
[  494.674564]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  494.680104]  ? check_preemption_disabled+0x48/0x200
[  494.685242]  run_timer_softirq+0x52/0xb0
[  494.690877]  ? rcu_read_lock_sched_held+0x108/0x120
[  494.696332]  __do_softirq+0x30b/0xad8
[  494.700163]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  494.705273]  ? pvclock_read_flags+0x160/0x160
[  494.709770]  ? lapic_next_event+0x5a/0x90
[  494.713920]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  494.719456]  ? check_preemption_disabled+0x48/0x200
[  494.724472]  ? check_preemption_disabled+0x48/0x200
[  494.729502]  ? kvm_clock_read+0x18/0x30
[  494.733480]  ? kvm_sched_clock_read+0x9/0x20
[  494.737892]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  494.743435]  ? check_preemption_disabled+0x48/0x200
[  494.748467]  irq_exit+0x17f/0x1c0
[  494.751923]  smp_apic_timer_interrupt+0x1cb/0x760
[  494.756772]  ? smp_reschedule_interrupt+0x109/0x650
[  494.761811]  ? smp_call_function_single_interrupt+0x650/0x650
[  494.767703]  ? interrupt_entry+0xb5/0xf0
[  494.771769]  ? trace_hardirqs_off_caller+0xbb/0x310
[  494.776791]  ? trace_hardirqs_off_caller+0xbb/0x310
[  494.781813]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  494.786662]  ? trace_hardirqs_on_caller+0x310/0x310
[  494.791681]  ? trace_hardirqs_on_caller+0x310/0x310
[  494.796700]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  494.802241]  ? check_preemption_disabled+0x48/0x200
[  494.807257]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  494.812813]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  494.817671]  apic_timer_interrupt+0xf/0x20
[  494.821903]  </IRQ>
[  494.824150] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  494.829084] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  494.848165] RSP: 0000:ffff8801866cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  494.855881] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  494.864017] RDX: 0000000000000000 RSI: ffff8801ce554f00 RDI: 0000000000000286
[  494.871546] RBP: ffff8801866cf7b0 R08: ffff8801ce554680 R09: 0000000000000000
[  494.878815] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  494.886085] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  494.893412]  skb_clone+0x1bb/0x500
[  494.896963]  ? finish_task_switch+0x2f5/0x900
[  494.901465]  ? skb_split+0x11e0/0x11e0
[  494.905964]  ? preempt_notifier_register+0x200/0x200
[  494.911071]  ? __switch_to_asm+0x34/0x70
[  494.915139]  ? __switch_to_asm+0x34/0x70
[  494.919895]  ? __switch_to_asm+0x40/0x70
[  494.925172]  ? __switch_to_asm+0x34/0x70
[  494.929689]  ? __switch_to_asm+0x40/0x70
[  494.933753]  ? __switch_to_asm+0x34/0x70
[  494.937818]  ? __switch_to_asm+0x40/0x70
[  494.941884]  ? __switch_to_asm+0x34/0x70
[  494.945949]  ? __switch_to_asm+0x34/0x70
[  494.950010]  ? __switch_to_asm+0x40/0x70
[  494.954073]  ? __switch_to_asm+0x34/0x70
[  494.958150]  bpf_clone_redirect+0xb9/0x490
[  494.962392]  ? __schedule+0x874/0x1ed0
[  494.966293]  bpf_prog_3d1649e183dc2cc1+0x379/0x1000
[  494.971327]  ? __sched_text_start+0x8/0x8
[  494.975490]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  494.980259]  ? find_held_lock+0x36/0x1c0
[  494.984330]  ? lock_acquire+0x1ed/0x520
[  494.988319]  ? bpf_test_run+0x32e/0x5a0
[  494.992304]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  494.997844]  ? check_preemption_disabled+0x48/0x200
[  495.002873]  ? kasan_check_read+0x11/0x20
[  495.007025]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  495.012305]  ? rcu_bh_qs+0xc0/0xc0
[  495.015849]  ? preempt_schedule+0x4d/0x60
[  495.020090]  ? ___preempt_schedule+0x16/0x18
[  495.025819]  ? bpf_test_run+0x1c0/0x5a0
[  495.030675]  ? netlink_diag_dump+0x2a0/0x2a0
[  495.035088]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  495.040628]  ? bpf_test_init.isra.9+0x70/0x100
[  495.045220]  ? bpf_prog_test_run_skb+0x634/0xb40
[  495.049988]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  495.054834]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  495.060382]  ? fput+0x130/0x1a0
[  495.063665]  ? __bpf_prog_get+0x9b/0x290
[  495.067872]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  495.072718]  ? bpf_prog_test_run+0x130/0x1a0
[  495.077142]  ? __x64_sys_bpf+0x3d8/0x510
[  495.081205]  ? bpf_prog_get+0x20/0x20
[  495.085030]  ? do_syscall_64+0x1b9/0x820
[  495.089096]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  495.094472]  ? syscall_return_slowpath+0x5e0/0x5e0
[  495.099401]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  495.104250]  ? trace_hardirqs_on_caller+0x310/0x310
[  495.109271]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  495.114295]  ? prepare_exit_to_usermode+0x291/0x3b0
[  495.119324]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  495.124189]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  495.129574] CPU: 0 PID: 11399 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  495.129648] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  495.136941] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  495.136946] Call Trace:
[  495.136953]  <IRQ>
[  495.136971]  dump_stack+0x1c4/0x2b4
[  495.136991]  ? dump_stack_print_info.cold.2+0x52/0x52
[  495.143614] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  495.152831]  warn_alloc.cold.119+0xb7/0x1bd
[  495.152850]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  495.155631] syz-executor4 cpuset=
[  495.157791]  ? lock_downgrade+0x900/0x900
[  495.157814]  ? trace_hardirqs_off+0xb8/0x310
[  495.161620] syz4
[  495.167450]  ? trace_hardirqs_off+0xb8/0x310
[  495.167474]  __alloc_pages_slowpath+0x2667/0x2d80
[  495.167520]  ? warn_alloc+0x120/0x120
[  495.167536]  ? trace_hardirqs_on+0x310/0x310
[  495.178348]  mems_allowed=0
[  495.224188]  ? warn_alloc+0x120/0x120
[  495.227995]  ? print_usage_bug+0xc0/0xc0
[  495.232058]  ? warn_alloc+0x120/0x120
[  495.235859]  ? ktime_get+0x2e1/0x440
[  495.239577]  ? print_usage_bug+0xc0/0xc0
[  495.243651]  ? __lock_acquire+0x7ec/0x4ec0
[  495.247885]  ? __lock_acquire+0x7ec/0x4ec0
[  495.252141]  ? kasan_check_read+0x11/0x20
[  495.256308]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  495.261887]  ? should_fail+0x22d/0xd01
[  495.265786]  ? rcu_bh_qs+0xc0/0xc0
[  495.269334]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  495.274450]  ? __lock_acquire+0x7ec/0x4ec0
[  495.278691]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  495.283792]  ? __lock_acquire+0x7ec/0x4ec0
[  495.288029]  ? should_fail+0x22d/0xd01
[  495.291937]  ? rcu_idle_enter+0x4b0/0x4b0
[  495.296118]  ? mark_held_locks+0x130/0x130
[  495.300380]  ? mark_held_locks+0x130/0x130
[  495.304631]  ? mark_held_locks+0xc7/0x130
[  495.308782]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  495.313800]  ? graph_lock+0x170/0x170
[  495.317603]  ? print_usage_bug+0xc0/0xc0
[  495.321679]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  495.327222]  ? check_preemption_disabled+0x48/0x200
[  495.332236]  ? check_preemption_disabled+0x48/0x200
[  495.337265]  ? __lock_is_held+0xb5/0x140
[  495.341336]  __alloc_pages_nodemask+0xa80/0xde0
[  495.346018]  ? graph_lock+0x170/0x170
[  495.349826]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  495.354844]  ? graph_lock+0x170/0x170
[  495.358664]  ? find_held_lock+0x36/0x1c0
[  495.362742]  ? ____cache_alloc_node+0x1c7/0x1e0
[  495.367421]  ? lock_downgrade+0x900/0x900
[  495.371579]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  495.377130]  cache_grow_begin+0x91/0x8c0
[  495.381296]  ? do_raw_spin_unlock+0xa7/0x2f0
[  495.385717]  fallback_alloc+0x203/0x2e0
[  495.389705]  ____cache_alloc_node+0x1c7/0x1e0
[  495.394211]  kmem_cache_alloc_node+0xe3/0x730
[  495.398712]  ? ipv6_get_ifaddr+0x42e/0x620
[  495.402986]  __alloc_skb+0x119/0x770
[  495.407698]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  495.413415]  ? skb_scrub_packet+0x490/0x490
[  495.417745]  ? lock_downgrade+0x900/0x900
[  495.421908]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  495.427460]  ? refcount_sub_and_test_checked+0x203/0x310
[  495.432922]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  495.438381]  ? addrconf_rs_timer+0x6f0/0x6f0
[  495.443937]  ndisc_alloc_skb+0x144/0x340
[  495.449231]  ndisc_send_rs+0x331/0x6e0
[  495.454258]  addrconf_rs_timer+0x3c0/0x6f0
[  495.459194]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  495.463446]  call_timer_fn+0x272/0x920
[  495.467337]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  495.471587]  ? process_timeout+0x40/0x40
[  495.475655]  ? find_held_lock+0x36/0x1c0
[  495.479726]  ? __run_timers+0x7da/0xc70
[  495.483716]  ? _raw_spin_unlock_irq+0x27/0x80
[  495.488211]  ? _raw_spin_unlock_irq+0x27/0x80
[  495.492705]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  495.496946]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  495.501534]  ? trace_hardirqs_on+0xbd/0x310
[  495.505865]  ? kasan_check_read+0x11/0x20
[  495.510015]  ? __run_timers+0x7da/0xc70
[  495.513995]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  495.519457]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  495.523699]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  495.527942]  __run_timers+0x7e5/0xc70
[  495.531765]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  495.537136]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  495.542180]  ? graph_lock+0x170/0x170
[  495.546000]  ? enqueue_hrtimer+0x1a5/0x560
[  495.550234]  ? lock_release+0x970/0x970
[  495.554214]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  495.559416]  ? find_held_lock+0x36/0x1c0
[  495.563486]  ? graph_lock+0x170/0x170
[  495.567295]  ? pvclock_read_flags+0x160/0x160
[  495.571794]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  495.577333]  ? check_preemption_disabled+0x48/0x200
[  495.582384]  ? __lock_is_held+0xb5/0x140
[  495.586886]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  495.592426]  ? check_preemption_disabled+0x48/0x200
[  495.597542]  run_timer_softirq+0x52/0xb0
[  495.601610]  ? rcu_read_lock_sched_held+0x108/0x120
[  495.606647]  __do_softirq+0x30b/0xad8
[  495.610461]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  495.615570]  ? pvclock_read_flags+0x160/0x160
[  495.620068]  ? lapic_next_event+0x5a/0x90
[  495.624223]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  495.629768]  ? check_preemption_disabled+0x48/0x200
[  495.634783]  ? check_preemption_disabled+0x48/0x200
[  495.639811]  ? kvm_clock_read+0x18/0x30
[  495.644048]  ? kvm_sched_clock_read+0x9/0x20
[  495.649502]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  495.655044]  ? check_preemption_disabled+0x48/0x200
[  495.660076]  irq_exit+0x17f/0x1c0
[  495.663533]  smp_apic_timer_interrupt+0x1cb/0x760
[  495.668379]  ? smp_reschedule_interrupt+0x109/0x650
[  495.673404]  ? smp_call_function_single_interrupt+0x650/0x650
[  495.679296]  ? interrupt_entry+0xb5/0xf0
[  495.683370]  ? trace_hardirqs_off_caller+0xbb/0x310
[  495.688394]  ? trace_hardirqs_off_caller+0xbb/0x310
[  495.693434]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  495.698294]  ? trace_hardirqs_on_caller+0x310/0x310
[  495.703315]  ? trace_hardirqs_on_caller+0x310/0x310
[  495.708336]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  495.713887]  ? check_preemption_disabled+0x48/0x200
[  495.718902]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  495.724452]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  495.729307]  apic_timer_interrupt+0xf/0x20
[  495.733557]  </IRQ>
[  495.735815] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  495.740848] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  495.759749] RSP: 0000:ffff8801ba62f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  495.767460] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  495.774730] RDX: 0000000000000000 RSI: ffff8801b881aa80 RDI: 0000000000000286
[  495.782005] RBP: ffff8801ba62f7b0 R08: ffff8801b881a200 R09: 0000000000000000
[  495.789280] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  495.796547] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  495.803866]  skb_clone+0x1bb/0x500
[  495.807414]  ? finish_task_switch+0x1b5/0x900
[  495.811914]  ? skb_split+0x11e0/0x11e0
[  495.815806]  ? preempt_notifier_register+0x200/0x200
[  495.820916]  ? __switch_to_asm+0x34/0x70
[  495.824982]  ? __switch_to_asm+0x34/0x70
[  495.829042]  ? __switch_to_asm+0x40/0x70
[  495.833394]  ? __switch_to_asm+0x34/0x70
[  495.838705]  ? __switch_to_asm+0x40/0x70
[  495.844063]  ? __switch_to_asm+0x34/0x70
[  495.849696]  ? __switch_to_asm+0x40/0x70
[  495.854798]  ? __switch_to_asm+0x34/0x70
[  495.859818]  ? __switch_to_asm+0x34/0x70
[  495.863880]  ? __switch_to_asm+0x40/0x70
[  495.867943]  ? __switch_to_asm+0x34/0x70
[  495.872014]  bpf_clone_redirect+0xb9/0x490
[  495.876261]  ? __schedule+0x874/0x1ed0
[  495.880159]  bpf_prog_3d1649e183dc2cc1+0xcce/0x1000
[  495.885177]  ? __sched_text_start+0x8/0x8
[  495.889389]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  495.894185]  ? find_held_lock+0x36/0x1c0
[  495.898256]  ? lock_acquire+0x1ed/0x520
[  495.902234]  ? bpf_test_run+0x32e/0x5a0
[  495.906213]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  495.911763]  ? check_preemption_disabled+0x48/0x200
[  495.916786]  ? kasan_check_read+0x11/0x20
[  495.920944]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  495.926225]  ? rcu_bh_qs+0xc0/0xc0
[  495.929769]  ? preempt_schedule+0x4d/0x60
[  495.934995]  ? ___preempt_schedule+0x16/0x18
[  495.940114]  ? bpf_test_run+0x1c0/0x5a0
[  495.944108]  ? netlink_diag_dump+0x2a0/0x2a0
[  495.949244]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  495.955057]  ? bpf_test_init.isra.9+0x70/0x100
[  495.959649]  ? bpf_prog_test_run_skb+0x634/0xb40
[  495.964423]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  495.969267]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  495.974808]  ? fput+0x130/0x1a0
[  495.978092]  ? __bpf_prog_get+0x9b/0x290
[  495.982159]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  495.987004]  ? bpf_prog_test_run+0x130/0x1a0
[  495.991418]  ? __x64_sys_bpf+0x3d8/0x510
[  495.995485]  ? bpf_prog_get+0x20/0x20
[  495.999314]  ? do_syscall_64+0x1b9/0x820
[  496.003389]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  496.008783]  ? syscall_return_slowpath+0x5e0/0x5e0
[  496.013721]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  496.018572]  ? trace_hardirqs_on_caller+0x310/0x310
[  496.023597]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  496.028633]  ? prepare_exit_to_usermode+0x291/0x3b0
[  496.033677]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  496.038533]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  496.043930] warn_alloc_show_mem: 1 callbacks suppressed
[  496.043942] CPU: 1 PID: 11390 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  496.043944] Mem-Info:
[  496.043978] active_anon:122480 inactive_anon:112 isolated_anon:0
[  496.043978]  active_file:16 inactive_file:5 isolated_file:0
[  496.043978]  unevictable:0 dirty:0 writeback:0 unstable:0
[  496.043978]  slab_reclaimable:9164 slab_unreclaimable:1399977
[  496.043978]  mapped:40962 shmem:118 pagetables:796 bounce:0
[  496.043978]  free:13728 free_pcp:0 free_cma:0
[  496.049316] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  496.056680] Node 0 active_anon:489920kB inactive_anon:448kB active_file:64kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:472kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 471040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  496.059082] Call Trace:
[  496.091773] Node 0 
[  496.101121]  <IRQ>
[  496.128646] 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
[  496.131199]  dump_stack+0x1c4/0x2b4
[  496.133410] lowmem_reserve[]:
[  496.135558]  ? dump_stack_print_info.cold.2+0x52/0x52
[  496.161042]  0 2813
[  496.164687]  warn_alloc.cold.119+0xb7/0x1bd
[  496.167756]  6317
[  496.172941]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  496.175152]  6317
[  496.179471]  ? lock_downgrade+0x900/0x900
[  496.186353]  ? trace_hardirqs_off+0xb8/0x310
[  496.188399] Node 0 
[  496.192545]  ? trace_hardirqs_off+0xb8/0x310
[  496.196955] DMA32 free:25276kB min:30028kB low:37532kB high:45036kB active_anon:12288kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2884608kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  496.199168]  __alloc_pages_slowpath+0x2667/0x2d80
[  496.203548] lowmem_reserve[]: 0
[  496.230471]  ? warn_alloc+0x120/0x120
[  496.235280]  0
[  496.238552]  ? __bfs+0xb0/0x7a0
[  496.242344]  3503
[  496.244155]  ? warn_alloc+0x120/0x120
[  496.247406]  3503
[  496.249473]  ? print_usage_bug+0xc0/0xc0
[  496.253247] Node 0 
[  496.255305]  ? lock_pin_lock+0x350/0x350
[  496.259378] Normal free:13728kB min:37384kB low:46728kB high:56072kB active_anon:477632kB inactive_anon:448kB active_file:64kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3587276kB mlocked:0kB kernel_stack:5408kB pagetables:3184kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  496.261591]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  496.265623] lowmem_reserve[]:
[  496.293646]  ? should_fail+0x22d/0xd01
[  496.299154]  0
[  496.302255]  ? trace_hardirqs_off+0xb8/0x310
[  496.306114]  0
[  496.307920]  ? kasan_check_read+0x11/0x20
[  496.312313]  0
[  496.314113]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  496.318234]  0
[  496.320033]  ? __lock_acquire+0x7ec/0x4ec0
[  496.326926]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  496.331840] Node 0 
[  496.336933]  ? should_fail+0x22d/0xd01
[  496.336943] DMA: 
[  496.339182]  ? mark_held_locks+0x130/0x130
[  496.343041] 1*4kB 
[  496.345099]  ? mark_held_locks+0x130/0x130
[  496.349310] (U) 
[  496.351457]  ? print_usage_bug+0xc0/0xc0
[  496.356375] 0*8kB 
[  496.359047]  ? graph_lock+0x170/0x170
[  496.364125] 0*16kB 1*32kB 
[  496.366577]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  496.370363] (U) 
[  496.373205]  ? check_preemption_disabled+0x48/0x200
[  496.378723] 2*64kB 
[  496.380692]  ? check_preemption_disabled+0x48/0x200
[  496.385685] (U) 
[  496.387925]  ? __lock_is_held+0xb5/0x140
[  496.392915] 1*128kB (U) 
[  496.394903]  __alloc_pages_nodemask+0xa80/0xde0
[  496.398963] 1*256kB 
[  496.401633]  ? graph_lock+0x170/0x170
[  496.401654]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  496.406309] (U) 
[  496.408634]  ? graph_lock+0x170/0x170
[  496.412413] 0*512kB 
[  496.417428]  ? find_held_lock+0x36/0x1c0
[  496.419381] 1*1024kB 
[  496.423184]  ? ____cache_alloc_node+0x1c7/0x1e0
[  496.425481] (U) 
[  496.429537]  ? lock_downgrade+0x900/0x900
[  496.431918] 1*2048kB (M) 
[  496.436595]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  496.438546] 3*4096kB 
[  496.442689]  cache_grow_begin+0x91/0x8c0
[  496.445435] (M) 
[  496.450968]  ? do_raw_spin_unlock+0xa7/0x2f0
[  496.453352] = 15908kB
[  496.457422]  fallback_alloc+0x203/0x2e0
[  496.459379] Node 0 
[  496.463790]  ____cache_alloc_node+0x1c7/0x1e0
[  496.466173] DMA32: 
[  496.470147]  kmem_cache_alloc_node+0xe3/0x730
[  496.472369] 5*4kB 
[  496.476857]  ? mark_held_locks+0xc7/0x130
[  496.476884]  __alloc_skb+0x119/0x770
[  496.479113] (UM) 
[  496.483608]  ? skb_scrub_packet+0x490/0x490
[  496.485739] 1*8kB 
[  496.489885]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  496.493574] (U) 
[  496.495640]  ? queue_work_on+0x12c/0x1e0
[  496.500241] 4*16kB (UM) 
[  496.503226]  ? switchdev_port_obj_del+0xdc/0x450
[  496.507714] 3*32kB 
[  496.509690]  ? switchdev_trans_item_enqueue+0x260/0x260
[  496.513722] (UM) 
[  496.516402]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  496.521132] 4*64kB 
[  496.523371]  ? mod_timer+0x647/0x1440
[  496.528711] (M) 
[  496.530770]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  496.535844] 4*128kB (UM) 
[  496.538158]  __br_mdb_notify+0x4ff/0x15d0
[  496.541860] 3*256kB 
[  496.543845]  ? __br_mdb_add+0x800/0x800
[  496.548836] (M) 
[  496.551599]  ? graph_lock+0x170/0x170
[  496.555714] 4*512kB 
[  496.558043]  ? br_multicast_group_expired+0x96/0x610
[  496.561985] (UM) 
[  496.563963]  br_mdb_notify+0x310/0x410
[  496.567829] 3*1024kB 
[  496.570149]  ? br_mdb_dump+0x2530/0x2530
[  496.575227] (UM) 
[  496.577284]  ? kasan_check_write+0x14/0x20
[  496.581161] 3*2048kB 
[  496.583565]  ? do_raw_spin_lock+0xc1/0x200
[  496.587598] (UM) 
[  496.589662]  br_multicast_group_expired+0x1bc/0x610
[  496.593863] 3*4096kB (M) 
[  496.596280]  ? br_mdb_free+0x80/0x80
[  496.600493] = 25276kB
[  496.602560]  call_timer_fn+0x272/0x920
[  496.607542] Node 0 
[  496.610294]  ? br_mdb_free+0x80/0x80
[  496.613984] Normal: 
[  496.616401]  ? process_timeout+0x40/0x40
[  496.620263] 1058*4kB 
[  496.622497]  ? find_held_lock+0x36/0x1c0
[  496.626189] (UMEH) 
[  496.628514]  ? __run_timers+0x7da/0xc70
[  496.632540] 417*8kB (UMEH) 
[  496.634957]  ? _raw_spin_unlock_irq+0x27/0x80
[  496.638985] 179*16kB (UME) 
[  496.641228]  ? _raw_spin_unlock_irq+0x27/0x80
[  496.645177] 63*32kB 
[  496.648124]  ? br_mdb_free+0x80/0x80
[  496.652588] (UMEH) 
[  496.655521]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  496.659985] 21*64kB (UMH) 
[  496.662315]  ? trace_hardirqs_on+0xbd/0x310
[  496.666002] 2*128kB 
[  496.668234]  ? kasan_check_read+0x11/0x20
[  496.672790] (MH) 
[  496.675637]  ? __run_timers+0x7da/0xc70
[  496.679939] 0*256kB 
[  496.682256]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  496.686386] 0*512kB 
[  496.688445]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  496.692396] 0*1024kB 
[  496.694720]  ? br_mdb_free+0x80/0x80
[  496.700148] 0*2048kB 
[  496.702471]  __run_timers+0x7e5/0xc70
[  496.706686] 0*4096kB 
[  496.709100]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  496.712784] = 14048kB
[  496.715194]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  496.718974] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  496.721382]  ? graph_lock+0x170/0x170
[  496.726727] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  496.729136]  ? enqueue_hrtimer+0x1a5/0x560
[  496.734119] 164 total pagecache pages
[  496.734136] 0 pages in swap cache
[  496.742960]  ? lock_release+0x970/0x970
[  496.746738] Swap cache stats: add 0, delete 0, find 0/0
[  496.755302]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  496.759517] Free swap  = 0kB
[  496.763313]  ? find_held_lock+0x36/0x1c0
[  496.766737] Total swap = 0kB
[  496.766746] 1965979 pages RAM
[  496.770717]  ? graph_lock+0x170/0x170
[  496.776049] 0 pages HighMem/MovableOnly
[  496.776058] 344031 pages reserved
[  496.781247]  ? pvclock_read_flags+0x160/0x160
[  496.784241] 0 pages cma reserved
[  496.788330]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  496.791400] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  496.794425]  ? check_preemption_disabled+0x48/0x200
[  496.798322] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  496.802182]  ? __lock_is_held+0xb5/0x140
[  496.805608] syz-executor4 cpuset=
[  496.810098]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  496.813438] syz4
[  496.818967]  ? check_preemption_disabled+0x48/0x200
[  496.825454]  mems_allowed=0
[  496.830485]  run_timer_softirq+0x52/0xb0
[  496.874050]  ? rcu_read_lock_sched_held+0x108/0x120
[  496.879066]  __do_softirq+0x30b/0xad8
[  496.882883]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  496.887996]  ? pvclock_read_flags+0x160/0x160
[  496.892491]  ? lapic_next_event+0x5a/0x90
[  496.896643]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  496.902185]  ? check_preemption_disabled+0x48/0x200
[  496.907202]  ? check_preemption_disabled+0x48/0x200
[  496.912224]  ? kvm_clock_read+0x18/0x30
[  496.916211]  ? kvm_sched_clock_read+0x9/0x20
[  496.920640]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  496.926178]  ? check_preemption_disabled+0x48/0x200
[  496.931211]  irq_exit+0x17f/0x1c0
[  496.934666]  smp_apic_timer_interrupt+0x1cb/0x760
[  496.939512]  ? smp_reschedule_interrupt+0x109/0x650
[  496.944545]  ? smp_call_function_single_interrupt+0x650/0x650
[  496.950433]  ? interrupt_entry+0xb5/0xf0
[  496.954497]  ? trace_hardirqs_off_caller+0xbb/0x310
[  496.959516]  ? trace_hardirqs_off_caller+0xbb/0x310
[  496.964539]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  496.969396]  ? trace_hardirqs_on_caller+0x310/0x310
[  496.974412]  ? trace_hardirqs_on_caller+0x310/0x310
[  496.979430]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  496.984971]  ? check_preemption_disabled+0x48/0x200
[  496.989989]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  496.995539]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  497.000398]  apic_timer_interrupt+0xf/0x20
[  497.004634]  </IRQ>
[  497.006876] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  497.011811] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  497.030713] RSP: 0000:ffff8801866cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  497.038428] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  497.045697] RDX: 0000000000000000 RSI: ffff8801ce554f00 RDI: 0000000000000286
[  497.052983] RBP: ffff8801866cf7b0 R08: ffff8801ce554680 R09: 0000000000000000
[  497.060250] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  497.067520] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  497.074834]  skb_clone+0x1bb/0x500
[  497.078384]  ? finish_task_switch+0x2f5/0x900
[  497.082902]  ? skb_split+0x11e0/0x11e0
[  497.086796]  ? preempt_notifier_register+0x200/0x200
[  497.091903]  ? __switch_to_asm+0x34/0x70
[  497.095968]  ? __switch_to_asm+0x34/0x70
[  497.100029]  ? __switch_to_asm+0x40/0x70
[  497.104089]  ? __switch_to_asm+0x34/0x70
[  497.108160]  ? __switch_to_asm+0x40/0x70
[  497.112226]  ? __switch_to_asm+0x34/0x70
[  497.116315]  ? __switch_to_asm+0x40/0x70
[  497.120414]  ? __switch_to_asm+0x34/0x70
[  497.124480]  ? __switch_to_asm+0x34/0x70
[  497.128557]  ? __switch_to_asm+0x40/0x70
[  497.132618]  ? __switch_to_asm+0x34/0x70
[  497.136688]  bpf_clone_redirect+0xb9/0x490
[  497.140925]  ? __schedule+0x874/0x1ed0
[  497.144839]  bpf_prog_3d1649e183dc2cc1+0x379/0x1000
[  497.149873]  ? __sched_text_start+0x8/0x8
[  497.154812]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  497.161150]  ? find_held_lock+0x36/0x1c0
[  497.167043]  ? lock_acquire+0x1ed/0x520
[  497.172321]  ? bpf_test_run+0x32e/0x5a0
[  497.178066]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  497.185710]  ? check_preemption_disabled+0x48/0x200
[  497.192131]  ? kasan_check_read+0x11/0x20
[  497.197765]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  497.204435]  ? rcu_bh_qs+0xc0/0xc0
[  497.207982]  ? preempt_schedule+0x4d/0x60
[  497.212141]  ? ___preempt_schedule+0x16/0x18
[  497.216562]  ? bpf_test_run+0x1c0/0x5a0
[  497.220552]  ? netlink_diag_dump+0x2a0/0x2a0
[  497.224967]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  497.230593]  ? bpf_test_init.isra.9+0x70/0x100
[  497.235185]  ? bpf_prog_test_run_skb+0x634/0xb40
[  497.239965]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  497.244809]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  497.250345]  ? fput+0x130/0x1a0
[  497.253642]  ? __bpf_prog_get+0x9b/0x290
[  497.257711]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  497.262556]  ? bpf_prog_test_run+0x130/0x1a0
[  497.266973]  ? __x64_sys_bpf+0x3d8/0x510
[  497.271034]  ? bpf_prog_get+0x20/0x20
[  497.274857]  ? do_syscall_64+0x1b9/0x820
[  497.278924]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  497.284293]  ? syscall_return_slowpath+0x5e0/0x5e0
[  497.289225]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  497.294398]  ? trace_hardirqs_on_caller+0x310/0x310
[  497.299423]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  497.304446]  ? prepare_exit_to_usermode+0x291/0x3b0
[  497.309477]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  497.314338]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  497.319821] CPU: 0 PID: 11399 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  497.319986] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  497.328085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  497.338538] syz-executor4 cpuset=
[  497.347877] Call Trace:
[  497.347887] syz4
[  497.351329]  <IRQ>
[  497.353902]  mems_allowed=0
[  497.355878]  dump_stack+0x1c4/0x2b4
[  497.364575]  ? dump_stack_print_info.cold.2+0x52/0x52
[  497.370025]  warn_alloc.cold.119+0xb7/0x1bd
[  497.374392]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  497.379243]  ? lock_downgrade+0x900/0x900
[  497.383403]  ? trace_hardirqs_off+0xb8/0x310
[  497.387824]  ? trace_hardirqs_off+0xb8/0x310
[  497.392242]  __alloc_pages_slowpath+0x2667/0x2d80
[  497.397118]  ? warn_alloc+0x120/0x120
[  497.400922]  ? trace_hardirqs_on+0x310/0x310
[  497.405339]  ? warn_alloc+0x120/0x120
[  497.409155]  ? print_usage_bug+0xc0/0xc0
[  497.413218]  ? warn_alloc+0x120/0x120
[  497.417018]  ? ktime_get+0x2e1/0x440
[  497.420744]  ? print_usage_bug+0xc0/0xc0
[  497.424836]  ? __lock_acquire+0x7ec/0x4ec0
[  497.429074]  ? __lock_acquire+0x7ec/0x4ec0
[  497.433314]  ? kasan_check_read+0x11/0x20
[  497.437469]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  497.443011]  ? should_fail+0x22d/0xd01
[  497.446906]  ? rcu_bh_qs+0xc0/0xc0
[  497.450457]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  497.455567]  ? __lock_acquire+0x7ec/0x4ec0
[  497.459811]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  497.464916]  ? __lock_acquire+0x7ec/0x4ec0
[  497.469155]  ? should_fail+0x22d/0xd01
[  497.473049]  ? rcu_idle_enter+0x4b0/0x4b0
[  497.477212]  ? mark_held_locks+0x130/0x130
[  497.481455]  ? mark_held_locks+0x130/0x130
[  497.485701]  ? mark_held_locks+0xc7/0x130
[  497.489855]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  497.494874]  ? graph_lock+0x170/0x170
[  497.498678]  ? print_usage_bug+0xc0/0xc0
[  497.502755]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  497.508298]  ? check_preemption_disabled+0x48/0x200
[  497.513317]  ? check_preemption_disabled+0x48/0x200
[  497.518348]  ? __lock_is_held+0xb5/0x140
[  497.522441]  __alloc_pages_nodemask+0xa80/0xde0
[  497.527112]  ? graph_lock+0x170/0x170
[  497.531701]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  497.536724]  ? graph_lock+0x170/0x170
[  497.540536]  ? find_held_lock+0x36/0x1c0
[  497.544614]  ? ____cache_alloc_node+0x1c7/0x1e0
[  497.549295]  ? lock_downgrade+0x900/0x900
[  497.553460]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  497.559013]  cache_grow_begin+0x91/0x8c0
[  497.563092]  ? do_raw_spin_unlock+0xa7/0x2f0
[  497.567515]  fallback_alloc+0x203/0x2e0
[  497.571501]  ____cache_alloc_node+0x1c7/0x1e0
[  497.577238]  kmem_cache_alloc_node+0xe3/0x730
[  497.583052]  ? ipv6_get_ifaddr+0x42e/0x620
[  497.587304]  __alloc_skb+0x119/0x770
[  497.591029]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  497.596316]  ? skb_scrub_packet+0x490/0x490
[  497.600649]  ? lock_downgrade+0x900/0x900
[  497.604811]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  497.610363]  ? refcount_sub_and_test_checked+0x203/0x310
[  497.615821]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  497.621280]  ? addrconf_rs_timer+0x6f0/0x6f0
[  497.625707]  ndisc_alloc_skb+0x144/0x340
[  497.629779]  ndisc_send_rs+0x331/0x6e0
[  497.633682]  addrconf_rs_timer+0x3c0/0x6f0
[  497.637923]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  497.642215]  call_timer_fn+0x272/0x920
[  497.646118]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  497.650375]  ? process_timeout+0x40/0x40
[  497.654465]  ? find_held_lock+0x36/0x1c0
[  497.658570]  ? __run_timers+0x7da/0xc70
[  497.662564]  ? _raw_spin_unlock_irq+0x27/0x80
[  497.667068]  ? _raw_spin_unlock_irq+0x27/0x80
[  497.671599]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  497.675852]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  497.680478]  ? trace_hardirqs_on+0xbd/0x310
[  497.684802]  ? kasan_check_read+0x11/0x20
[  497.688953]  ? __run_timers+0x7da/0xc70
[  497.692930]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  497.698401]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  497.702649]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  497.706891]  __run_timers+0x7e5/0xc70
[  497.710720]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  497.716089]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  497.721111]  ? graph_lock+0x170/0x170
[  497.724918]  ? enqueue_hrtimer+0x1a5/0x560
[  497.729595]  ? lock_release+0x970/0x970
[  497.733582]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  497.738782]  ? find_held_lock+0x36/0x1c0
[  497.742851]  ? graph_lock+0x170/0x170
[  497.746654]  ? pvclock_read_flags+0x160/0x160
[  497.751158]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  497.756698]  ? check_preemption_disabled+0x48/0x200
[  497.761731]  ? __lock_is_held+0xb5/0x140
[  497.765801]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  497.772038]  ? check_preemption_disabled+0x48/0x200
[  497.777066]  run_timer_softirq+0x52/0xb0
[  497.781132]  ? rcu_read_lock_sched_held+0x108/0x120
[  497.786154]  __do_softirq+0x30b/0xad8
[  497.789977]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  497.795091]  ? pvclock_read_flags+0x160/0x160
[  497.799589]  ? lapic_next_event+0x5a/0x90
[  497.803746]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  497.809283]  ? check_preemption_disabled+0x48/0x200
[  497.814329]  ? check_preemption_disabled+0x48/0x200
[  497.819387]  ? kvm_clock_read+0x18/0x30
[  497.823374]  ? kvm_sched_clock_read+0x9/0x20
[  497.827794]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  497.833352]  ? check_preemption_disabled+0x48/0x200
[  497.838406]  irq_exit+0x17f/0x1c0
[  497.841866]  smp_apic_timer_interrupt+0x1cb/0x760
[  497.846707]  ? smp_reschedule_interrupt+0x109/0x650
[  497.851726]  ? smp_call_function_single_interrupt+0x650/0x650
[  497.857623]  ? interrupt_entry+0xb5/0xf0
[  497.862393]  ? trace_hardirqs_off_caller+0xbb/0x310
[  497.868798]  ? trace_hardirqs_off_caller+0xbb/0x310
[  497.875208]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  497.881367]  ? trace_hardirqs_on_caller+0x310/0x310
[  497.888125]  ? trace_hardirqs_on_caller+0x310/0x310
[  497.894718]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  497.900260]  ? check_preemption_disabled+0x48/0x200
[  497.905290]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  497.910878]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  497.915731]  apic_timer_interrupt+0xf/0x20
[  497.919964]  </IRQ>
[  497.922208] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  497.927145] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  497.946051] RSP: 0000:ffff8801ba62f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  497.953769] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  497.961041] RDX: 0000000000000000 RSI: ffff8801b881aa80 RDI: 0000000000000286
[  497.968311] RBP: ffff8801ba62f7b0 R08: ffff8801b881a200 R09: 0000000000000000
[  497.975583] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  497.982852] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  497.990166]  skb_clone+0x1bb/0x500
[  497.993713]  ? finish_task_switch+0x1b5/0x900
[  497.998215]  ? skb_split+0x11e0/0x11e0
[  498.002109]  ? preempt_notifier_register+0x200/0x200
[  498.007215]  ? __switch_to_asm+0x34/0x70
[  498.011284]  ? __switch_to_asm+0x34/0x70
[  498.015350]  ? __switch_to_asm+0x40/0x70
[  498.019427]  ? __switch_to_asm+0x34/0x70
[  498.023491]  ? __switch_to_asm+0x40/0x70
[  498.027569]  ? __switch_to_asm+0x34/0x70
[  498.031639]  ? __switch_to_asm+0x40/0x70
[  498.035699]  ? __switch_to_asm+0x34/0x70
[  498.039762]  ? __switch_to_asm+0x34/0x70
[  498.043828]  ? __switch_to_asm+0x40/0x70
[  498.047889]  ? __switch_to_asm+0x34/0x70
[  498.051959]  bpf_clone_redirect+0xb9/0x490
[  498.056196]  ? __schedule+0x874/0x1ed0
[  498.060879]  bpf_prog_3d1649e183dc2cc1+0xcce/0x1000
[  498.066946]  ? __sched_text_start+0x8/0x8
[  498.071104]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  498.075872]  ? find_held_lock+0x36/0x1c0
[  498.079943]  ? lock_acquire+0x1ed/0x520
[  498.083920]  ? bpf_test_run+0x32e/0x5a0
[  498.087901]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  498.093440]  ? check_preemption_disabled+0x48/0x200
[  498.098466]  ? kasan_check_read+0x11/0x20
[  498.102636]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  498.107923]  ? rcu_bh_qs+0xc0/0xc0
[  498.111478]  ? preempt_schedule+0x4d/0x60
[  498.115643]  ? ___preempt_schedule+0x16/0x18
[  498.120063]  ? bpf_test_run+0x1c0/0x5a0
[  498.124052]  ? netlink_diag_dump+0x2a0/0x2a0
[  498.128723]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  498.134535]  ? bpf_test_init.isra.9+0x70/0x100
[  498.139128]  ? bpf_prog_test_run_skb+0x634/0xb40
[  498.143895]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  498.148739]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  498.154278]  ? fput+0x130/0x1a0
[  498.157560]  ? __bpf_prog_get+0x9b/0x290
[  498.161633]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  498.166475]  ? bpf_prog_test_run+0x130/0x1a0
[  498.170893]  ? __x64_sys_bpf+0x3d8/0x510
[  498.174955]  ? bpf_prog_get+0x20/0x20
[  498.178780]  ? do_syscall_64+0x1b9/0x820
[  498.182844]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  498.188224]  ? syscall_return_slowpath+0x5e0/0x5e0
[  498.193169]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  498.198014]  ? trace_hardirqs_on_caller+0x310/0x310
[  498.203296]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  498.208577]  ? prepare_exit_to_usermode+0x291/0x3b0
[  498.213604]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  498.218465]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  498.223846] warn_alloc_show_mem: 1 callbacks suppressed
[  498.223858] CPU: 1 PID: 11390 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  498.223860] Mem-Info:
[  498.223892] active_anon:122480 inactive_anon:112 isolated_anon:0
[  498.223892]  active_file:16 inactive_file:5 isolated_file:0
[  498.223892]  unevictable:0 dirty:0 writeback:0 unstable:0
[  498.223892]  slab_reclaimable:9164 slab_unreclaimable:1399977
[  498.223892]  mapped:40962 shmem:118 pagetables:796 bounce:0
[  498.223892]  free:13728 free_pcp:0 free_cma:0
[  498.229237] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  498.236601] Node 0 active_anon:489920kB inactive_anon:448kB active_file:64kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:472kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 471040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  498.238999] Call Trace:
[  498.271704] Node 0 
[  498.281059]  <IRQ>
[  498.308567] 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
[  498.311137]  dump_stack+0x1c4/0x2b4
[  498.313338] lowmem_reserve[]:
[  498.315498]  ? dump_stack_print_info.cold.2+0x52/0x52
[  498.340972]  0
[  498.344613]  warn_alloc.cold.119+0xb7/0x1bd
[  498.347684]  2813
[  498.352873]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  498.354652]  6317
[  498.359228]  ? lock_downgrade+0x900/0x900
[  498.361882]  6317
[  498.368241]  ? trace_hardirqs_off+0xb8/0x310
[  498.370459] Node 0 
[  498.374608]  ? trace_hardirqs_off+0xb8/0x310
[  498.376676] DMA32 free:25276kB min:30028kB low:37532kB high:45036kB active_anon:12288kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2884608kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  498.381058]  __alloc_pages_slowpath+0x2667/0x2d80
[  498.383262] lowmem_reserve[]: 0
[  498.387700]  ? warn_alloc+0x120/0x120
[  498.414662]  0 3503
[  498.419708]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  498.422959]  3503
[  498.427111]  ? warn_alloc+0x120/0x120
[  498.429326] Node 0 
[  498.434338]  ? print_usage_bug+0xc0/0xc0
[  498.436408] Normal free:13728kB min:37384kB low:46728kB high:56072kB active_anon:477632kB inactive_anon:448kB active_file:64kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3587276kB mlocked:0kB kernel_stack:5408kB pagetables:3184kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  498.440182]  ? warn_alloc+0x120/0x120
[  498.442406] lowmem_reserve[]: 0
[  498.446705]  ? print_usage_bug+0xc0/0xc0
[  498.476267]  0 0
[  498.480077]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  498.483331]  0
[  498.487430]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  498.494570]  ? should_fail+0x22d/0xd01
[  498.496350] Node 0 
[  498.502659]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  498.506788] DMA: 
[  498.509023]  ? __lock_acquire+0x7ec/0x4ec0
[  498.514106] 1*4kB 
[  498.516173]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  498.520386] (U) 
[  498.522536]  ? should_fail+0x22d/0xd01
[  498.527609] 0*8kB 0*16kB 
[  498.529600]  ? mark_held_locks+0x130/0x130
[  498.533452] 1*32kB (U) 
[  498.536218]  ? mark_held_locks+0x130/0x130
[  498.540431] 2*64kB 
[  498.543011]  ? print_usage_bug+0xc0/0xc0
[  498.547222] (U) 
[  498.549455]  ? find_held_lock+0x36/0x1c0
[  498.553508] 1*128kB 
[  498.555474]  ? graph_lock+0x170/0x170
[  498.559511] (U) 
[  498.561833]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  498.565605] 1*256kB (U) 
[  498.567588]  ? check_preemption_disabled+0x48/0x200
[  498.573096] 0*512kB 1*1024kB 
[  498.575781]  ? check_preemption_disabled+0x48/0x200
[  498.580772] (U) 
[  498.583890]  ? __lock_is_held+0xb5/0x140
[  498.588879] 1*2048kB 
[  498.590858]  __alloc_pages_nodemask+0xa80/0xde0
[  498.594887] (M) 
[  498.597294]  ? graph_lock+0x170/0x170
[  498.601940] 3*4096kB 
[  498.603914]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  498.607687] (M) 
[  498.610095]  ? graph_lock+0x170/0x170
[  498.616046] = 15908kB
[  498.618721]  ? find_held_lock+0x36/0x1c0
[  498.623096] Node 0 
[  498.625530]  ? ____cache_alloc_node+0x1c7/0x1e0
[  498.629557] DMA32: 5*4kB 
[  498.631801]  ? lock_downgrade+0x900/0x900
[  498.636449] (UM) 
[  498.639209]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  498.643330] 1*8kB (U) 
[  498.645421]  cache_grow_begin+0x91/0x8c0
[  498.650940] 4*16kB (UM) 
[  498.653445]  ? do_raw_spin_unlock+0xa7/0x2f0
[  498.657669] 3*32kB 
[  498.660342]  fallback_alloc+0x203/0x2e0
[  498.664724] (UM) 
[  498.666960]  ____cache_alloc_node+0x1c7/0x1e0
[  498.670907] 4*64kB 
[  498.672969]  kmem_cache_alloc_node+0xe3/0x730
[  498.677435] (M) 
[  498.679668]  ? mark_held_locks+0xc7/0x130
[  498.684140] 4*128kB 
[  498.686121]  __alloc_skb+0x119/0x770
[  498.690231] (UM) 
[  498.692554]  ? skb_scrub_packet+0x490/0x490
[  498.696242] 3*256kB 
[  498.698299]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  498.702591] (M) 
[  498.704909]  ? queue_work_on+0x12c/0x1e0
[  498.709465] 4*512kB 
[  498.711438]  ? switchdev_port_obj_del+0xdc/0x450
[  498.715472] (UM) 
[  498.717795]  ? switchdev_trans_item_enqueue+0x260/0x260
[  498.722529] 3*1024kB 
[  498.724588]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  498.729922] (UM) 
[  498.732331]  __br_mdb_notify+0x4ff/0x15d0
[  498.737320] 3*2048kB 
[  498.739394]  ? __br_mdb_add+0x800/0x800
[  498.743682] (UM) 
[  498.746089]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  498.750039] 3*4096kB 
[  498.752096]  ? check_preemption_disabled+0x48/0x200
[  498.758047] (M) 
[  498.761067]  ? graph_lock+0x170/0x170
[  498.767694] = 25276kB
[  498.769672]  ? br_multicast_group_expired+0x96/0x610
[  498.773444] Node 0 
[  498.775850]  ? lock_downgrade+0x900/0x900
[  498.780921] Normal: 1058*4kB 
[  498.783167]  br_mdb_notify+0x310/0x410
[  498.787289] (UMEH) 
[  498.790492]  ? br_mdb_dump+0x2530/0x2530
[  498.794365] 417*8kB 
[  498.796595]  ? kasan_check_write+0x14/0x20
[  498.800633] (UMEH) 
[  498.802953]  ? do_raw_spin_lock+0xc1/0x200
[  498.807164] 179*16kB 
[  498.809399]  br_multicast_group_expired+0x1bc/0x610
[  498.813608] (UME) 
[  498.816018]  ? br_mdb_free+0x80/0x80
[  498.821010] 63*32kB 
[  498.823168]  call_timer_fn+0x272/0x920
[  498.826846] (UMEH) 
[  498.829165]  ? br_mdb_free+0x80/0x80
[  498.833304] 21*64kB 
[  498.835541]  ? process_timeout+0x40/0x40
[  498.839233] (UMH) 
[  498.841551]  ? find_held_lock+0x36/0x1c0
[  498.845588] 2*128kB 
[  498.847769]  ? __run_timers+0x7da/0xc70
[  498.851800] (MH) 
[  498.854137]  ? _raw_spin_unlock_irq+0x27/0x80
[  498.858092] 0*256kB 
[  498.860152]  ? _raw_spin_unlock_irq+0x27/0x80
[  498.864624] 0*512kB 
[  498.866941]  ? br_mdb_free+0x80/0x80
[  498.872102] 0*1024kB 0*2048kB 
[  498.875221]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  498.880130] 0*4096kB 
[  498.884098]  ? trace_hardirqs_on+0xbd/0x310
[  498.888656] = 14048kB
[  498.891059]  ? kasan_check_read+0x11/0x20
[  498.895372] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  498.897947]  ? __run_timers+0x7da/0xc70
[  498.902072] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  498.910898]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  498.914846] 164 total pagecache pages
[  498.923503]  ? br_mdb_free+0x80/0x80
[  498.928931] 0 pages in swap cache
[  498.932723]  ? br_mdb_free+0x80/0x80
[  498.936419] Swap cache stats: add 0, delete 0, find 0/0
[  498.939865]  __run_timers+0x7e5/0xc70
[  498.943558] Free swap  = 0kB
[  498.948927]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  498.952692] Total swap = 0kB
[  498.955712]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  498.961047] 1965979 pages RAM
[  498.964067]  ? graph_lock+0x170/0x170
[  498.969058] 0 pages HighMem/MovableOnly
[  498.972158]  ? enqueue_hrtimer+0x1a5/0x560
[  498.975937] 344031 pages reserved
[  498.979903]  ? lock_release+0x970/0x970
[  498.984111] 0 pages cma reserved
[  498.987560]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  498.991579] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  498.994874]  ? find_held_lock+0x36/0x1c0
[  499.000912] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  499.007570]  ? graph_lock+0x170/0x170
[  499.011608] syz-executor4 cpuset=
[  499.022089]  ? pvclock_read_flags+0x160/0x160
[  499.025862] syz4
[  499.029313]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  499.033791]  mems_allowed=0
[  499.035765]  ? check_preemption_disabled+0x48/0x200
[  499.049254]  ? __lock_is_held+0xb5/0x140
[  499.053318]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  499.058858]  ? check_preemption_disabled+0x48/0x200
[  499.063887]  run_timer_softirq+0x52/0xb0
[  499.067951]  ? rcu_read_lock_sched_held+0x108/0x120
[  499.072969]  __do_softirq+0x30b/0xad8
[  499.076788]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  499.081902]  ? pvclock_read_flags+0x160/0x160
[  499.086399]  ? lapic_next_event+0x5a/0x90
[  499.090552]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  499.096092]  ? check_preemption_disabled+0x48/0x200
[  499.101115]  ? check_preemption_disabled+0x48/0x200
[  499.106157]  ? kvm_clock_read+0x18/0x30
[  499.110140]  ? kvm_sched_clock_read+0x9/0x20
[  499.114555]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  499.120095]  ? check_preemption_disabled+0x48/0x200
[  499.125141]  irq_exit+0x17f/0x1c0
[  499.128602]  smp_apic_timer_interrupt+0x1cb/0x760
[  499.133446]  ? smp_reschedule_interrupt+0x109/0x650
[  499.138470]  ? smp_call_function_single_interrupt+0x650/0x650
[  499.144889]  ? interrupt_entry+0xb5/0xf0
[  499.149214]  ? trace_hardirqs_off_caller+0xbb/0x310
[  499.154234]  ? trace_hardirqs_off_caller+0xbb/0x310
[  499.159258]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  499.164102]  ? trace_hardirqs_on_caller+0x310/0x310
[  499.169128]  ? trace_hardirqs_on_caller+0x310/0x310
[  499.174153]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  499.179954]  ? check_preemption_disabled+0x48/0x200
[  499.186278]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  499.193214]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  499.199379]  apic_timer_interrupt+0xf/0x20
[  499.204924]  </IRQ>
[  499.207431] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  499.212376] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  499.233392] RSP: 0000:ffff8801866cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  499.241104] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  499.248386] RDX: 0000000000000000 RSI: ffff8801ce554f00 RDI: 0000000000000286
[  499.255657] RBP: ffff8801866cf7b0 R08: ffff8801ce554680 R09: 0000000000000000
[  499.262924] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  499.270194] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  499.277511]  skb_clone+0x1bb/0x500
[  499.281055]  ? finish_task_switch+0x2f5/0x900
[  499.285553]  ? skb_split+0x11e0/0x11e0
[  499.289449]  ? preempt_notifier_register+0x200/0x200
[  499.294554]  ? __switch_to_asm+0x34/0x70
[  499.298618]  ? __switch_to_asm+0x34/0x70
[  499.302684]  ? __switch_to_asm+0x40/0x70
[  499.306795]  ? __switch_to_asm+0x34/0x70
[  499.310861]  ? __switch_to_asm+0x40/0x70
[  499.314922]  ? __switch_to_asm+0x34/0x70
[  499.318988]  ? __switch_to_asm+0x40/0x70
[  499.323052]  ? __switch_to_asm+0x34/0x70
[  499.327126]  ? __switch_to_asm+0x34/0x70
[  499.331192]  ? __switch_to_asm+0x40/0x70
[  499.335780]  ? __switch_to_asm+0x34/0x70
[  499.339854]  bpf_clone_redirect+0xb9/0x490
[  499.344095]  ? __schedule+0x874/0x1ed0
[  499.347994]  bpf_prog_3d1649e183dc2cc1+0x379/0x1000
[  499.353015]  ? __sched_text_start+0x8/0x8
[  499.357171]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  499.361994]  ? find_held_lock+0x36/0x1c0
[  499.366072]  ? lock_acquire+0x1ed/0x520
[  499.370055]  ? bpf_test_run+0x32e/0x5a0
[  499.374037]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  499.379578]  ? check_preemption_disabled+0x48/0x200
[  499.384600]  ? kasan_check_read+0x11/0x20
[  499.388755]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  499.394040]  ? rcu_bh_qs+0xc0/0xc0
[  499.397586]  ? preempt_schedule+0x4d/0x60
[  499.401742]  ? ___preempt_schedule+0x16/0x18
[  499.406860]  ? bpf_test_run+0x1c0/0x5a0
[  499.410850]  ? netlink_diag_dump+0x2a0/0x2a0
[  499.415270]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  499.420811]  ? bpf_test_init.isra.9+0x70/0x100
[  499.425404]  ? bpf_prog_test_run_skb+0x634/0xb40
[  499.430176]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  499.435023]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  499.440565]  ? fput+0x130/0x1a0
[  499.443849]  ? __bpf_prog_get+0x9b/0x290
[  499.447918]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  499.452781]  ? bpf_prog_test_run+0x130/0x1a0
[  499.457461]  ? __x64_sys_bpf+0x3d8/0x510
[  499.461527]  ? bpf_prog_get+0x20/0x20
[  499.465368]  ? do_syscall_64+0x1b9/0x820
[  499.469440]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  499.475774]  ? syscall_return_slowpath+0x5e0/0x5e0
[  499.480709]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  499.485555]  ? trace_hardirqs_on_caller+0x310/0x310
[  499.490576]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  499.495601]  ? prepare_exit_to_usermode+0x291/0x3b0
[  499.500634]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  499.505496]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  499.510885] CPU: 0 PID: 11399 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  499.511075] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  499.518257] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  499.528736] syz-executor4 cpuset=
[  499.539469] Call Trace:
[  499.539482]  <IRQ>
[  499.542931] syz4
[  499.545527]  dump_stack+0x1c4/0x2b4
[  499.547644]  mems_allowed=0
[  499.549629]  ? dump_stack_print_info.cold.2+0x52/0x52
[  499.561978]  warn_alloc.cold.119+0xb7/0x1bd
[  499.566309]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  499.571164]  ? lock_downgrade+0x900/0x900
[  499.575327]  ? trace_hardirqs_off+0xb8/0x310
[  499.579756]  ? trace_hardirqs_off+0xb8/0x310
[  499.584183]  __alloc_pages_slowpath+0x2667/0x2d80
[  499.589059]  ? warn_alloc+0x120/0x120
[  499.592866]  ? trace_hardirqs_on+0x310/0x310
[  499.597279]  ? warn_alloc+0x120/0x120
[  499.601084]  ? print_usage_bug+0xc0/0xc0
[  499.605151]  ? warn_alloc+0x120/0x120
[  499.608957]  ? ktime_get+0x2e1/0x440
[  499.612679]  ? print_usage_bug+0xc0/0xc0
[  499.616748]  ? __lock_acquire+0x7ec/0x4ec0
[  499.620984]  ? __lock_acquire+0x7ec/0x4ec0
[  499.625223]  ? kasan_check_read+0x11/0x20
[  499.629384]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  499.634927]  ? should_fail+0x22d/0xd01
[  499.638821]  ? rcu_bh_qs+0xc0/0xc0
[  499.642375]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  499.647484]  ? __lock_acquire+0x7ec/0x4ec0
[  499.651728]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  499.656832]  ? __lock_acquire+0x7ec/0x4ec0
[  499.661066]  ? should_fail+0x22d/0xd01
[  499.664956]  ? rcu_idle_enter+0x4b0/0x4b0
[  499.669118]  ? mark_held_locks+0x130/0x130
[  499.673374]  ? mark_held_locks+0x130/0x130
[  499.677629]  ? mark_held_locks+0xc7/0x130
[  499.681781]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  499.686798]  ? graph_lock+0x170/0x170
[  499.690598]  ? print_usage_bug+0xc0/0xc0
[  499.694671]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  499.700212]  ? check_preemption_disabled+0x48/0x200
[  499.705231]  ? check_preemption_disabled+0x48/0x200
[  499.710261]  ? __lock_is_held+0xb5/0x140
[  499.714333]  __alloc_pages_nodemask+0xa80/0xde0
[  499.719012]  ? graph_lock+0x170/0x170
[  499.722825]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  499.727841]  ? graph_lock+0x170/0x170
[  499.731657]  ? find_held_lock+0x36/0x1c0
[  499.735735]  ? ____cache_alloc_node+0x1c7/0x1e0
[  499.740409]  ? lock_downgrade+0x900/0x900
[  499.744576]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  499.750126]  cache_grow_begin+0x91/0x8c0
[  499.754194]  ? do_raw_spin_unlock+0xa7/0x2f0
[  499.758626]  fallback_alloc+0x203/0x2e0
[  499.762613]  ____cache_alloc_node+0x1c7/0x1e0
[  499.767124]  kmem_cache_alloc_node+0xe3/0x730
[  499.771633]  ? ipv6_get_ifaddr+0x42e/0x620
[  499.775886]  __alloc_skb+0x119/0x770
[  499.779608]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  499.784902]  ? skb_scrub_packet+0x490/0x490
[  499.789236]  ? lock_downgrade+0x900/0x900
[  499.793409]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  499.798950]  ? refcount_sub_and_test_checked+0x203/0x310
[  499.804409]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  499.809865]  ? addrconf_rs_timer+0x6f0/0x6f0
[  499.814294]  ndisc_alloc_skb+0x144/0x340
[  499.818371]  ndisc_send_rs+0x331/0x6e0
[  499.822271]  addrconf_rs_timer+0x3c0/0x6f0
[  499.826513]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  499.830766]  call_timer_fn+0x272/0x920
[  499.834655]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  499.838906]  ? process_timeout+0x40/0x40
[  499.842993]  ? find_held_lock+0x36/0x1c0
[  499.847074]  ? __run_timers+0x7da/0xc70
[  499.851059]  ? _raw_spin_unlock_irq+0x27/0x80
[  499.855555]  ? _raw_spin_unlock_irq+0x27/0x80
[  499.860052]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  499.864288]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  499.868874]  ? trace_hardirqs_on+0xbd/0x310
[  499.873198]  ? kasan_check_read+0x11/0x20
[  499.877348]  ? __run_timers+0x7da/0xc70
[  499.881335]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  499.886802]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  499.891042]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  499.895282]  __run_timers+0x7e5/0xc70
[  499.899098]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  499.904495]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  499.909516]  ? graph_lock+0x170/0x170
[  499.913322]  ? enqueue_hrtimer+0x1a5/0x560
[  499.917567]  ? lock_release+0x970/0x970
[  499.921544]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  499.926743]  ? find_held_lock+0x36/0x1c0
[  499.930814]  ? graph_lock+0x170/0x170
[  499.934617]  ? pvclock_read_flags+0x160/0x160
[  499.939123]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  499.944665]  ? check_preemption_disabled+0x48/0x200
[  499.950132]  ? __lock_is_held+0xb5/0x140
[  499.954248]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  499.959797]  ? check_preemption_disabled+0x48/0x200
[  499.964829]  run_timer_softirq+0x52/0xb0
[  499.968897]  ? rcu_read_lock_sched_held+0x108/0x120
[  499.973918]  __do_softirq+0x30b/0xad8
[  499.977735]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  499.982851]  ? pvclock_read_flags+0x160/0x160
[  499.987347]  ? lapic_next_event+0x5a/0x90
[  499.991509]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  499.997047]  ? check_preemption_disabled+0x48/0x200
[  500.002068]  ? check_preemption_disabled+0x48/0x200
[  500.007098]  ? kvm_clock_read+0x18/0x30
[  500.011341]  ? kvm_sched_clock_read+0x9/0x20
[  500.015762]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  500.021299]  ? check_preemption_disabled+0x48/0x200
[  500.026332]  irq_exit+0x17f/0x1c0
[  500.029829]  smp_apic_timer_interrupt+0x1cb/0x760
[  500.034681]  ? smp_reschedule_interrupt+0x109/0x650
[  500.039700]  ? smp_call_function_single_interrupt+0x650/0x650
[  500.045613]  ? interrupt_entry+0xb5/0xf0
[  500.049711]  ? trace_hardirqs_off_caller+0xbb/0x310
[  500.054737]  ? trace_hardirqs_off_caller+0xbb/0x310
[  500.059758]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  500.064602]  ? trace_hardirqs_on_caller+0x310/0x310
[  500.069630]  ? trace_hardirqs_on_caller+0x310/0x310
[  500.074671]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  500.080241]  ? check_preemption_disabled+0x48/0x200
[  500.085258]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  500.090808]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  500.095662]  apic_timer_interrupt+0xf/0x20
[  500.100765]  </IRQ>
[  500.103788] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  500.109157] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  500.128069] RSP: 0000:ffff8801ba62f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  500.135781] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  500.143049] RDX: 0000000000000000 RSI: ffff8801b881aa80 RDI: 0000000000000286
[  500.150663] RBP: ffff8801ba62f7b0 R08: ffff8801b881a200 R09: 0000000000000000
[  500.157931] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  500.165203] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  500.172520]  skb_clone+0x1bb/0x500
[  500.176070]  ? finish_task_switch+0x1b5/0x900
[  500.180573]  ? skb_split+0x11e0/0x11e0
[  500.184905]  ? preempt_notifier_register+0x200/0x200
[  500.190796]  ? __switch_to_asm+0x34/0x70
[  500.194863]  ? __switch_to_asm+0x34/0x70
[  500.198927]  ? __switch_to_asm+0x40/0x70
[  500.202993]  ? __switch_to_asm+0x34/0x70
[  500.207053]  ? __switch_to_asm+0x40/0x70
[  500.211117]  ? __switch_to_asm+0x34/0x70
[  500.215180]  ? __switch_to_asm+0x40/0x70
[  500.219244]  ? __switch_to_asm+0x34/0x70
[  500.223311]  ? __switch_to_asm+0x34/0x70
[  500.227380]  ? __switch_to_asm+0x40/0x70
[  500.231705]  ? __switch_to_asm+0x34/0x70
[  500.235777]  bpf_clone_redirect+0xb9/0x490
[  500.240014]  ? __schedule+0x874/0x1ed0
[  500.243915]  bpf_prog_3d1649e183dc2cc1+0xcce/0x1000
[  500.248935]  ? __sched_text_start+0x8/0x8
[  500.253090]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  500.257863]  ? find_held_lock+0x36/0x1c0
[  500.261939]  ? lock_acquire+0x1ed/0x520
[  500.265918]  ? bpf_test_run+0x32e/0x5a0
[  500.269907]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  500.275451]  ? check_preemption_disabled+0x48/0x200
[  500.280482]  ? kasan_check_read+0x11/0x20
[  500.284646]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  500.289935]  ? rcu_bh_qs+0xc0/0xc0
[  500.293483]  ? preempt_schedule+0x4d/0x60
[  500.297646]  ? ___preempt_schedule+0x16/0x18
[  500.302069]  ? bpf_test_run+0x1c0/0x5a0
[  500.306064]  ? netlink_diag_dump+0x2a0/0x2a0
[  500.310490]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  500.316029]  ? bpf_test_init.isra.9+0x70/0x100
[  500.320629]  ? bpf_prog_test_run_skb+0x634/0xb40
[  500.325402]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  500.330247]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  500.335785]  ? fput+0x130/0x1a0
[  500.339069]  ? __bpf_prog_get+0x9b/0x290
[  500.343139]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  500.347986]  ? bpf_prog_test_run+0x130/0x1a0
[  500.352402]  ? __x64_sys_bpf+0x3d8/0x510
[  500.356466]  ? bpf_prog_get+0x20/0x20
[  500.360327]  ? do_syscall_64+0x1b9/0x820
[  500.364417]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  500.370199]  ? syscall_return_slowpath+0x5e0/0x5e0
[  500.375132]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  500.379978]  ? trace_hardirqs_on_caller+0x310/0x310
[  500.385263]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  500.390283]  ? prepare_exit_to_usermode+0x291/0x3b0
[  500.395310]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  500.400167]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  500.405546] warn_alloc_show_mem: 1 callbacks suppressed
[  500.405558] CPU: 1 PID: 11390 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  500.405560] Mem-Info:
[  500.405592] active_anon:122480 inactive_anon:112 isolated_anon:0
[  500.405592]  active_file:16 inactive_file:5 isolated_file:0
[  500.405592]  unevictable:0 dirty:0 writeback:0 unstable:0
[  500.405592]  slab_reclaimable:9164 slab_unreclaimable:1399977
[  500.405592]  mapped:40962 shmem:118 pagetables:796 bounce:0
[  500.405592]  free:13728 free_pcp:0 free_cma:0
[  500.410930] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  500.418306] Node 0 active_anon:489920kB inactive_anon:448kB active_file:64kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:472kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 471040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  500.420710] Call Trace:
[  500.453408] Node 0 
[  500.462758]  <IRQ>
[  500.490273] 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
[  500.492833]  dump_stack+0x1c4/0x2b4
[  500.495030] lowmem_reserve[]: 0
[  500.497706]  ? dump_stack_print_info.cold.2+0x52/0x52
[  500.523450]  2813 6317
[  500.527105]  warn_alloc.cold.119+0xb7/0x1bd
[  500.530341]  6317
[  500.535642]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  500.538115] Node 0 
[  500.542441]  ? lock_downgrade+0x900/0x900
[  500.544503] DMA32 free:25276kB min:30028kB low:37532kB high:45036kB active_anon:12288kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2884608kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  500.549322]  ? trace_hardirqs_off+0xb8/0x310
[  500.551535] lowmem_reserve[]:
[  500.555682]  ? trace_hardirqs_off+0xb8/0x310
[  500.582542]  0 0
[  500.586975]  __alloc_pages_slowpath+0x2667/0x2d80
[  500.590039]  3503 3503
[  500.594481]  ? warn_alloc+0x120/0x120
[  500.596408] Node 0 
[  500.601252]  ? warn_alloc+0x120/0x120
[  500.603752] Normal free:13728kB min:37384kB low:46728kB high:56072kB active_anon:477632kB inactive_anon:448kB active_file:64kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3587276kB mlocked:0kB kernel_stack:5408kB pagetables:3184kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  500.607523]  ? check_preemption_disabled+0x48/0x200
[  500.609729] lowmem_reserve[]: 0
[  500.613541]  ? print_usage_bug+0xc0/0xc0
[  500.641554]  0 0
[  500.646589]  ? warn_alloc+0x120/0x120
[  500.649853]  0
[  500.653925]  ? print_usage_bug+0xc0/0xc0
[  500.655874] Node 0 
[  500.659673]  ? mark_held_locks+0x130/0x130
[  500.661454] DMA: 
[  500.665509]  ? __lock_is_held+0xb5/0x140
[  500.667726] 1*4kB 
[  500.671957]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  500.673996] (U) 
[  500.678059]  ? should_fail+0x22d/0xd01
[  500.680186] 0*8kB 
[  500.685719]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  500.687669] 0*16kB 
[  500.691556]  ? __lock_acquire+0x7ec/0x4ec0
[  500.693697] 1*32kB 
[  500.698798]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  500.701008] (U) 
[  500.705238]  ? should_fail+0x22d/0xd01
[  500.707450] 2*64kB 
[  500.712555]  ? mark_held_locks+0x130/0x130
[  500.714509] (U) 
[  500.718397]  ? mark_held_locks+0x130/0x130
[  500.720610] 1*128kB 
[  500.724843]  ? print_usage_bug+0xc0/0xc0
[  500.726785] (U) 1*256kB 
[  500.731026]  ? find_held_lock+0x36/0x1c0
[  500.733340] (U) 
[  500.737407]  ? graph_lock+0x170/0x170
[  500.740050] 0*512kB 1*1024kB 
[  500.744125]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  500.746070] (U) 
[  500.749868]  ? check_preemption_disabled+0x48/0x200
[  500.752952] 1*2048kB 
[  500.758484]  ? check_preemption_disabled+0x48/0x200
[  500.760440] (M) 
[  500.765455]  ? __lock_is_held+0xb5/0x140
[  500.767847] 3*4096kB 
[  500.772859]  __alloc_pages_nodemask+0xa80/0xde0
[  500.774805] (M) 
[  500.778859]  ? graph_lock+0x170/0x170
[  500.781251] = 15908kB
[  500.785914]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  500.787864] Node 0 
[  500.791657]  ? graph_lock+0x170/0x170
[  500.794043] DMA32: 
[  500.799061]  ? find_held_lock+0x36/0x1c0
[  500.801273] 5*4kB 
[  500.805071]  ? ____cache_alloc_node+0x1c7/0x1e0
[  500.807278] (UM) 
[  500.811332]  ? lock_downgrade+0x900/0x900
[  500.813458] 1*8kB 
[  500.818134]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  500.820165] (U) 
[  500.824313]  cache_grow_begin+0x91/0x8c0
[  500.826435] 4*16kB 
[  500.831967]  ? do_raw_spin_unlock+0xa7/0x2f0
[  500.833919] (UM) 
[  500.837987]  fallback_alloc+0x203/0x2e0
[  500.840209] 3*32kB 
[  500.844613]  ____cache_alloc_node+0x1c7/0x1e0
[  500.846652] (UM) 
[  500.850626]  kmem_cache_alloc_node+0xe3/0x730
[  500.852842] 4*64kB 
[  500.857330]  ? mark_held_locks+0xc7/0x130
[  500.859376] (M) 
[  500.863877]  __alloc_skb+0x119/0x770
[  500.866084] 4*128kB 
[  500.870232]  ? skb_scrub_packet+0x490/0x490
[  500.872173] (UM) 3*256kB 
[  500.875895]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  500.878195] (M) 
[  500.882517]  ? queue_work_on+0x12c/0x1e0
[  500.885252] 4*512kB 
[  500.889829]  ? switchdev_port_obj_del+0xdc/0x450
[  500.891775] (UM) 
[  500.895834]  ? switchdev_trans_item_enqueue+0x260/0x260
[  500.898136] 3*1024kB 
[  500.902903]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  500.904942] (UM) 
[  500.910319]  __br_mdb_notify+0x4ff/0x15d0
[  500.912704] 3*2048kB (UM) 
[  500.917741]  ? __br_mdb_add+0x800/0x800
[  500.919776] 3*4096kB 
[  500.923921]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  500.926732] (M) = 25276kB
[  500.930713]  ? check_preemption_disabled+0x48/0x200
[  500.933108] Node 0 
[  500.938664]  ? graph_lock+0x170/0x170
[  500.941386] Normal: 1058*4kB 
[  500.946419]  ? br_multicast_group_expired+0x96/0x610
[  500.948626] (UMEH) 
[  500.952425]  ? lock_downgrade+0x900/0x900
[  500.955512] 417*8kB 
[  500.960613]  br_mdb_notify+0x310/0x410
[  500.962829] (UMEH) 
[  500.966974]  ? br_mdb_dump+0x2530/0x2530
[  500.969442] 179*16kB (UME) 
[  500.973350]  ? kasan_check_write+0x14/0x20
[  500.975571] 63*32kB 
[  500.979629]  ? do_raw_spin_lock+0xc1/0x200
[  500.982538] (UMEH) 
[  500.986771]  br_multicast_group_expired+0x1bc/0x610
[  500.989067] 21*64kB 
[  500.993298]  ? br_mdb_free+0x80/0x80
[  500.995514] (UMH) 
[  501.000535]  call_timer_fn+0x272/0x920
[  501.002839] 2*128kB 
[  501.006550]  ? br_mdb_free+0x80/0x80
[  501.008676] (MH) 
[  501.012565]  ? process_timeout+0x40/0x40
[  501.014864] 0*256kB 
[  501.018571]  ? find_held_lock+0x36/0x1c0
[  501.018594]  ? __run_timers+0x7da/0xc70
[  501.020638] 0*512kB 
[  501.024696]  ? _raw_spin_unlock_irq+0x27/0x80
[  501.026998] 0*1024kB 
[  501.031056]  ? _raw_spin_unlock_irq+0x27/0x80
[  501.034999] 0*2048kB 0*4096kB 
[  501.037328]  ? br_mdb_free+0x80/0x80
[  501.041798] = 14048kB
[  501.044205]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  501.048680] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  501.051863]  ? trace_hardirqs_on+0xbd/0x310
[  501.055558] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  501.057955]  ? kasan_check_read+0x11/0x20
[  501.062516] 164 total pagecache pages
[  501.071348]  ? __run_timers+0x7da/0xc70
[  501.075695] 0 pages in swap cache
[  501.084242]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  501.088371] Swap cache stats: add 0, delete 0, find 0/0
[  501.088380] Free swap  = 0kB
[  501.092181]  ? br_mdb_free+0x80/0x80
[  501.096219] Total swap = 0kB
[  501.099671]  ? br_mdb_free+0x80/0x80
[  501.105095] 1965979 pages RAM
[  501.110458]  __run_timers+0x7e5/0xc70
[  501.113448] 0 pages HighMem/MovableOnly
[  501.113456] 344031 pages reserved
[  501.117175]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  501.120168] 0 pages cma reserved
[  501.123884]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  501.127039] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  501.130769]  ? graph_lock+0x170/0x170
[  501.134820] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  501.138167]  ? enqueue_hrtimer+0x1a5/0x560
[  501.143507] syz-executor4 cpuset=
[  501.146866]  ? lock_release+0x970/0x970
[  501.146882]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  501.151887] syz4
[  501.158386]  ? find_held_lock+0x36/0x1c0
[  501.162164]  mems_allowed=0
[  501.172645]  ? graph_lock+0x170/0x170
[  501.202181]  ? pvclock_read_flags+0x160/0x160
[  501.206687]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  501.212229]  ? check_preemption_disabled+0x48/0x200
[  501.217261]  ? __lock_is_held+0xb5/0x140
[  501.221327]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  501.226873]  ? check_preemption_disabled+0x48/0x200
[  501.231903]  run_timer_softirq+0x52/0xb0
[  501.235973]  ? rcu_read_lock_sched_held+0x108/0x120
[  501.241002]  __do_softirq+0x30b/0xad8
[  501.244819]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  501.249935]  ? pvclock_read_flags+0x160/0x160
[  501.254441]  ? lapic_next_event+0x5a/0x90
[  501.258601]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  501.264156]  ? check_preemption_disabled+0x48/0x200
[  501.269182]  ? check_preemption_disabled+0x48/0x200
[  501.274214]  ? kvm_clock_read+0x18/0x30
[  501.278192]  ? kvm_sched_clock_read+0x9/0x20
[  501.282614]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  501.288164]  ? check_preemption_disabled+0x48/0x200
[  501.293200]  irq_exit+0x17f/0x1c0
[  501.296666]  smp_apic_timer_interrupt+0x1cb/0x760
[  501.301534]  ? smp_reschedule_interrupt+0x109/0x650
[  501.306586]  ? smp_call_function_single_interrupt+0x650/0x650
[  501.312479]  ? interrupt_entry+0xb5/0xf0
[  501.316548]  ? trace_hardirqs_off_caller+0xbb/0x310
[  501.321572]  ? trace_hardirqs_off_caller+0xbb/0x310
[  501.326595]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  501.331442]  ? trace_hardirqs_on_caller+0x310/0x310
[  501.336463]  ? trace_hardirqs_on_caller+0x310/0x310
[  501.341483]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  501.347039]  ? check_preemption_disabled+0x48/0x200
[  501.352060]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  501.357611]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  501.362467]  apic_timer_interrupt+0xf/0x20
[  501.366697]  </IRQ>
[  501.368938] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  501.373870] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  501.392776] RSP: 0000:ffff8801866cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  501.400490] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  501.407769] RDX: 0000000000000000 RSI: ffff8801ce554f00 RDI: 0000000000000286
[  501.415061] RBP: ffff8801866cf7b0 R08: ffff8801ce554680 R09: 0000000000000000
[  501.422330] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  501.429632] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  501.437042]  skb_clone+0x1bb/0x500
[  501.440590]  ? finish_task_switch+0x2f5/0x900
[  501.445093]  ? skb_split+0x11e0/0x11e0
[  501.448997]  ? preempt_notifier_register+0x200/0x200
[  501.454107]  ? __switch_to_asm+0x34/0x70
[  501.458180]  ? __switch_to_asm+0x34/0x70
[  501.462242]  ? __switch_to_asm+0x40/0x70
[  501.466302]  ? __switch_to_asm+0x34/0x70
[  501.470376]  ? __switch_to_asm+0x40/0x70
[  501.474440]  ? __switch_to_asm+0x34/0x70
[  501.478505]  ? __switch_to_asm+0x40/0x70
[  501.482567]  ? __switch_to_asm+0x34/0x70
[  501.486634]  ? __switch_to_asm+0x34/0x70
[  501.490698]  ? __switch_to_asm+0x40/0x70
[  501.494765]  ? __switch_to_asm+0x34/0x70
[  501.499353]  bpf_clone_redirect+0xb9/0x490
[  501.503607]  ? __schedule+0x874/0x1ed0
[  501.507516]  bpf_prog_3d1649e183dc2cc1+0x379/0x1000
[  501.512540]  ? __sched_text_start+0x8/0x8
[  501.516701]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  501.521472]  ? find_held_lock+0x36/0x1c0
[  501.525546]  ? lock_acquire+0x1ed/0x520
[  501.529523]  ? bpf_test_run+0x32e/0x5a0
[  501.533501]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  501.539040]  ? check_preemption_disabled+0x48/0x200
[  501.544063]  ? kasan_check_read+0x11/0x20
[  501.548218]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  501.553506]  ? rcu_bh_qs+0xc0/0xc0
[  501.557059]  ? preempt_schedule+0x4d/0x60
[  501.561216]  ? ___preempt_schedule+0x16/0x18
[  501.565640]  ? bpf_test_run+0x1c0/0x5a0
[  501.569630]  ? netlink_diag_dump+0x2a0/0x2a0
[  501.574045]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  501.579583]  ? bpf_test_init.isra.9+0x70/0x100
[  501.584171]  ? bpf_prog_test_run_skb+0x634/0xb40
[  501.588938]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  501.593787]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  501.599325]  ? fput+0x130/0x1a0
[  501.602618]  ? __bpf_prog_get+0x9b/0x290
[  501.606689]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  501.611535]  ? bpf_prog_test_run+0x130/0x1a0
[  501.615949]  ? __x64_sys_bpf+0x3d8/0x510
[  501.620010]  ? bpf_prog_get+0x20/0x20
[  501.623838]  ? do_syscall_64+0x1b9/0x820
[  501.627904]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  501.633273]  ? syscall_return_slowpath+0x5e0/0x5e0
[  501.638206]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  501.643054]  ? trace_hardirqs_on_caller+0x310/0x310
[  501.648081]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  501.653105]  ? prepare_exit_to_usermode+0x291/0x3b0
[  501.658152]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  501.663014]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  501.668423] CPU: 0 PID: 11399 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  501.668597] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  501.675797] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  501.686266] syz-executor4 cpuset=
[  501.695601] Call Trace:
[  501.695610] syz4
[  501.699058]  <IRQ>
[  501.701624]  mems_allowed=0
[  501.708668]  dump_stack+0x1c4/0x2b4
[  501.712303]  ? dump_stack_print_info.cold.2+0x52/0x52
[  501.717514]  warn_alloc.cold.119+0xb7/0x1bd
[  501.721845]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  501.726694]  ? lock_downgrade+0x900/0x900
[  501.730852]  ? trace_hardirqs_off+0xb8/0x310
[  501.735278]  ? trace_hardirqs_off+0xb8/0x310
[  501.739700]  __alloc_pages_slowpath+0x2667/0x2d80
[  501.744579]  ? warn_alloc+0x120/0x120
[  501.748398]  ? warn_alloc+0x120/0x120
[  501.752205]  ? print_usage_bug+0xc0/0xc0
[  501.756271]  ? warn_alloc+0x120/0x120
[  501.760078]  ? print_usage_bug+0xc0/0xc0
[  501.764144]  ? graph_lock+0x170/0x170
[  501.767950]  ? kvm_sched_clock_read+0x9/0x20
[  501.772370]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  501.777911]  ? should_fail+0x22d/0xd01
[  501.781804]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  501.786909]  ? __lock_acquire+0x7ec/0x4ec0
[  501.791150]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  501.796258]  ? __lock_acquire+0x7ec/0x4ec0
[  501.800495]  ? should_fail+0x22d/0xd01
[  501.804405]  ? mark_held_locks+0x130/0x130
[  501.808653]  ? mark_held_locks+0x130/0x130
[  501.812897]  ? select_task_rq_fair+0x754/0x34f0
[  501.817568]  ? lock_downgrade+0x900/0x900
[  501.821717]  ? check_preemption_disabled+0x48/0x200
[  501.826737]  ? graph_lock+0x170/0x170
[  501.830541]  ? print_usage_bug+0xc0/0xc0
[  501.834626]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  501.840178]  ? check_preemption_disabled+0x48/0x200
[  501.845196]  ? check_preemption_disabled+0x48/0x200
[  501.850230]  ? __lock_is_held+0xb5/0x140
[  501.854304]  __alloc_pages_nodemask+0xa80/0xde0
[  501.858981]  ? graph_lock+0x170/0x170
[  501.862792]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  501.867807]  ? graph_lock+0x170/0x170
[  501.871626]  ? find_held_lock+0x36/0x1c0
[  501.875725]  ? ____cache_alloc_node+0x1c7/0x1e0
[  501.880415]  ? lock_downgrade+0x900/0x900
[  501.884578]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  501.890128]  cache_grow_begin+0x91/0x8c0
[  501.894194]  ? do_raw_spin_unlock+0xa7/0x2f0
[  501.898617]  fallback_alloc+0x203/0x2e0
[  501.902611]  ____cache_alloc_node+0x1c7/0x1e0
[  501.907121]  kmem_cache_alloc_node+0xe3/0x730
[  501.911627]  ? ipv6_get_ifaddr+0x42e/0x620
[  501.915877]  __alloc_skb+0x119/0x770
[  501.919596]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  501.924885]  ? skb_scrub_packet+0x490/0x490
[  501.929207]  ? lock_downgrade+0x900/0x900
[  501.933375]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  501.938945]  ? refcount_sub_and_test_checked+0x203/0x310
[  501.944416]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  501.949872]  ? addrconf_rs_timer+0x6f0/0x6f0
[  501.954300]  ndisc_alloc_skb+0x144/0x340
[  501.958377]  ndisc_send_rs+0x331/0x6e0
[  501.962318]  addrconf_rs_timer+0x3c0/0x6f0
[  501.966573]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  501.970830]  call_timer_fn+0x272/0x920
[  501.974723]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  501.978975]  ? process_timeout+0x40/0x40
[  501.983048]  ? find_held_lock+0x36/0x1c0
[  501.987131]  ? __run_timers+0x7da/0xc70
[  501.991112]  ? _raw_spin_unlock_irq+0x27/0x80
[  501.995610]  ? _raw_spin_unlock_irq+0x27/0x80
[  502.000118]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  502.004366]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  502.008972]  ? trace_hardirqs_on+0xbd/0x310
[  502.013296]  ? kasan_check_read+0x11/0x20
[  502.017451]  ? __run_timers+0x7da/0xc70
[  502.021428]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  502.026896]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  502.031138]  __run_timers+0x7e5/0xc70
[  502.034960]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  502.040336]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  502.045381]  ? graph_lock+0x170/0x170
[  502.049194]  ? enqueue_hrtimer+0x1a5/0x560
[  502.053431]  ? lock_release+0x970/0x970
[  502.057417]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  502.062624]  ? find_held_lock+0x36/0x1c0
[  502.066711]  ? graph_lock+0x170/0x170
[  502.070558]  ? pvclock_read_flags+0x160/0x160
[  502.075074]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  502.080612]  ? check_preemption_disabled+0x48/0x200
[  502.085658]  ? __lock_is_held+0xb5/0x140
[  502.089726]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  502.095268]  ? check_preemption_disabled+0x48/0x200
[  502.100296]  run_timer_softirq+0x52/0xb0
[  502.104370]  ? rcu_read_lock_sched_held+0x108/0x120
[  502.109396]  __do_softirq+0x30b/0xad8
[  502.113236]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  502.118395]  ? pvclock_read_flags+0x160/0x160
[  502.122897]  ? lapic_next_event+0x5a/0x90
[  502.127049]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  502.132596]  ? check_preemption_disabled+0x48/0x200
[  502.137615]  ? check_preemption_disabled+0x48/0x200
[  502.142655]  ? kvm_clock_read+0x18/0x30
[  502.146640]  ? kvm_sched_clock_read+0x9/0x20
[  502.151054]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  502.156596]  ? check_preemption_disabled+0x48/0x200
[  502.161668]  irq_exit+0x17f/0x1c0
[  502.165146]  smp_apic_timer_interrupt+0x1cb/0x760
[  502.169989]  ? smp_reschedule_interrupt+0x109/0x650
[  502.175016]  ? smp_call_function_single_interrupt+0x650/0x650
[  502.180908]  ? interrupt_entry+0xb5/0xf0
[  502.184978]  ? trace_hardirqs_off_caller+0xbb/0x310
[  502.190000]  ? trace_hardirqs_off_caller+0xbb/0x310
[  502.195024]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  502.199867]  ? trace_hardirqs_on_caller+0x310/0x310
[  502.204883]  ? trace_hardirqs_on_caller+0x310/0x310
[  502.209904]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  502.215443]  ? check_preemption_disabled+0x48/0x200
[  502.220462]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  502.226017]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  502.230875]  apic_timer_interrupt+0xf/0x20
[  502.235106]  </IRQ>
[  502.237350] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  502.242292] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  502.261196] RSP: 0000:ffff8801ba62f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  502.268909] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  502.276177] RDX: 0000000000000000 RSI: ffff8801b881aa80 RDI: 0000000000000286
[  502.283447] RBP: ffff8801ba62f7b0 R08: ffff8801b881a200 R09: 0000000000000000
[  502.290712] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  502.297983] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  502.305302]  skb_clone+0x1bb/0x500
[  502.308851]  ? finish_task_switch+0x1b5/0x900
[  502.313349]  ? skb_split+0x11e0/0x11e0
[  502.317283]  ? preempt_notifier_register+0x200/0x200
[  502.322396]  ? __switch_to_asm+0x34/0x70
[  502.326462]  ? __switch_to_asm+0x34/0x70
[  502.330526]  ? __switch_to_asm+0x40/0x70
[  502.334590]  ? __switch_to_asm+0x34/0x70
[  502.338662]  ? __switch_to_asm+0x40/0x70
[  502.342729]  ? __switch_to_asm+0x34/0x70
[  502.346796]  ? __switch_to_asm+0x40/0x70
[  502.350866]  ? __switch_to_asm+0x34/0x70
[  502.354931]  ? __switch_to_asm+0x34/0x70
[  502.358993]  ? __switch_to_asm+0x40/0x70
[  502.363056]  ? __switch_to_asm+0x34/0x70
[  502.367755]  bpf_clone_redirect+0xb9/0x490
[  502.371994]  ? __schedule+0x874/0x1ed0
[  502.375897]  bpf_prog_3d1649e183dc2cc1+0xcce/0x1000
[  502.380929]  ? __sched_text_start+0x8/0x8
[  502.385094]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  502.389869]  ? find_held_lock+0x36/0x1c0
[  502.393944]  ? lock_acquire+0x1ed/0x520
[  502.397924]  ? bpf_test_run+0x32e/0x5a0
[  502.401904]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  502.407450]  ? check_preemption_disabled+0x48/0x200
[  502.412475]  ? kasan_check_read+0x11/0x20
[  502.416639]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  502.421922]  ? rcu_bh_qs+0xc0/0xc0
[  502.425473]  ? preempt_schedule+0x4d/0x60
[  502.429630]  ? ___preempt_schedule+0x16/0x18
[  502.434055]  ? bpf_test_run+0x1c0/0x5a0
[  502.438044]  ? netlink_diag_dump+0x2a0/0x2a0
[  502.442458]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  502.448000]  ? bpf_test_init.isra.9+0x70/0x100
[  502.452590]  ? bpf_prog_test_run_skb+0x634/0xb40
[  502.457372]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  502.462216]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  502.467759]  ? fput+0x130/0x1a0
[  502.471044]  ? __bpf_prog_get+0x9b/0x290
[  502.475111]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  502.479954]  ? bpf_prog_test_run+0x130/0x1a0
[  502.484383]  ? __x64_sys_bpf+0x3d8/0x510
[  502.488472]  ? bpf_prog_get+0x20/0x20
[  502.492297]  ? do_syscall_64+0x1b9/0x820
[  502.496375]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  502.501986]  ? syscall_return_slowpath+0x5e0/0x5e0
[  502.507110]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  502.511962]  ? trace_hardirqs_on_caller+0x310/0x310
[  502.516981]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  502.522012]  ? prepare_exit_to_usermode+0x291/0x3b0
[  502.527040]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  502.531894]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  502.537275] warn_alloc_show_mem: 1 callbacks suppressed
[  502.537287] CPU: 1 PID: 11390 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  502.537289] Mem-Info:
[  502.537321] active_anon:122480 inactive_anon:112 isolated_anon:0
[  502.537321]  active_file:16 inactive_file:5 isolated_file:0
[  502.537321]  unevictable:0 dirty:0 writeback:0 unstable:0
[  502.537321]  slab_reclaimable:9164 slab_unreclaimable:1399977
[  502.537321]  mapped:40962 shmem:118 pagetables:796 bounce:0
[  502.537321]  free:13728 free_pcp:0 free_cma:0
[  502.542660] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  502.550024] Node 0 active_anon:489920kB inactive_anon:448kB active_file:64kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:472kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 471040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  502.552425] Call Trace:
[  502.585131] Node 0 
[  502.594501]  <IRQ>
[  502.622018] 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
[  502.624586]  dump_stack+0x1c4/0x2b4
[  502.626801] lowmem_reserve[]:
[  502.628950]  ? dump_stack_print_info.cold.2+0x52/0x52
[  502.654428]  0
[  502.658067]  warn_alloc.cold.119+0xb7/0x1bd
[  502.661128]  2813 6317 6317
[  502.666328]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  502.668104] Node 0 
[  502.672425]  ? lock_downgrade+0x900/0x900
[  502.675371] DMA32 free:25276kB min:30028kB low:37532kB high:45036kB active_anon:12288kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2884608kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  502.680183]  ? trace_hardirqs_off+0xb8/0x310
[  502.682397] lowmem_reserve[]:
[  502.686543]  ? trace_hardirqs_off+0xb8/0x310
[  502.713414]  0
[  502.717832]  __alloc_pages_slowpath+0x2667/0x2d80
[  502.720903]  0
[  502.725331]  ? warn_alloc+0x120/0x120
[  502.727078]  3503 3503
[  502.731927]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  502.733704] Node 0 
[  502.737500]  ? warn_alloc+0x120/0x120
[  502.740000] Normal free:13728kB min:37384kB low:46728kB high:56072kB active_anon:477632kB inactive_anon:448kB active_file:64kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3587276kB mlocked:0kB kernel_stack:5408kB pagetables:3184kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  502.744985]  ? print_usage_bug+0xc0/0xc0
[  502.747199] lowmem_reserve[]:
[  502.750995]  ? warn_alloc+0x120/0x120
[  502.778988]  0 0
[  502.783065]  ? print_usage_bug+0xc0/0xc0
[  502.786141]  0
[  502.789938]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  502.791890]  0
[  502.795952]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  502.802911]  ? should_fail+0x22d/0xd01
[  502.804689] Node 0 
[  502.810225]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  502.814085] DMA: 
[  502.816317]  ? __lock_acquire+0x7ec/0x4ec0
[  502.821399] 1*4kB 
[  502.823460]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  502.827674] (U) 
[  502.829818]  ? should_fail+0x22d/0xd01
[  502.834909] 0*8kB 
[  502.836886]  ? mark_held_locks+0x130/0x130
[  502.840740] 0*16kB 1*32kB 
[  502.842896]  ? mark_held_locks+0x130/0x130
[  502.847114] (U) 
[  502.849956]  ? print_usage_bug+0xc0/0xc0
[  502.854166] 2*64kB 
[  502.856149]  ? find_held_lock+0x36/0x1c0
[  502.860205] (U) 
[  502.862437]  ? graph_lock+0x170/0x170
[  502.866516] 1*128kB (U) 
[  502.868503]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  502.872280] 1*256kB 
[  502.874948]  ? check_preemption_disabled+0x48/0x200
[  502.880460] (U) 
[  502.882778]  ? check_preemption_disabled+0x48/0x200
[  502.882803]  ? __lock_is_held+0xb5/0x140
[  502.887793] 0*512kB 
[  502.889770]  __alloc_pages_nodemask+0xa80/0xde0
[  502.894758] 1*1024kB (U) 
[  502.898826]  ? graph_lock+0x170/0x170
[  502.901123] 1*2048kB (M) 
[  502.905798]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  502.908532] 3*4096kB 
[  502.912325]  ? graph_lock+0x170/0x170
[  502.915064] (M) 
[  502.920083]  ? find_held_lock+0x36/0x1c0
[  502.922468] = 15908kB
[  502.926269]  ? ____cache_alloc_node+0x1c7/0x1e0
[  502.928218] Node 0 
[  502.932280]  ? lock_downgrade+0x900/0x900
[  502.934659] DMA32: 5*4kB 
[  502.939338]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  502.941551] (UM) 
[  502.945697]  cache_grow_begin+0x91/0x8c0
[  502.948431] 1*8kB 
[  502.953964]  ? do_raw_spin_unlock+0xa7/0x2f0
[  502.956001] (U) 
[  502.960065]  fallback_alloc+0x203/0x2e0
[  502.962187] 4*16kB 
[  502.966596]  ____cache_alloc_node+0x1c7/0x1e0
[  502.968552] (UM) 3*32kB 
[  502.972539]  kmem_cache_alloc_node+0xe3/0x730
[  502.974755] (UM) 
[  502.979245]  ? mark_held_locks+0xc7/0x130
[  502.981895] 4*64kB 
[  502.986401]  __alloc_skb+0x119/0x770
[  502.988431] (M) 
[  502.992574]  ? skb_scrub_packet+0x490/0x490
[  502.994786] 4*128kB 
[  502.998494]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  503.000447] (UM) 
[  503.004765]  ? queue_work_on+0x12c/0x1e0
[  503.007066] 3*256kB 
[  503.011647]  ? switchdev_port_obj_del+0xdc/0x450
[  503.013687] (M) 
[  503.017745]  ? switchdev_trans_item_enqueue+0x260/0x260
[  503.020044] 4*512kB 
[  503.024793]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  503.026747] (UM) 
[  503.032108]  __br_mdb_notify+0x4ff/0x15d0
[  503.034404] 3*1024kB 
[  503.039425]  ? __br_mdb_add+0x800/0x800
[  503.041457] (UM) 
[  503.045602]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  503.047991] 3*2048kB 
[  503.051961]  ? check_preemption_disabled+0x48/0x200
[  503.054001] (UM) 
[  503.059538]  ? graph_lock+0x170/0x170
[  503.061924] 3*4096kB 
[  503.066939]  ? br_multicast_group_expired+0x96/0x610
[  503.068972] (M) 
[  503.072770]  ? lock_downgrade+0x900/0x900
[  503.075175] = 25276kB
[  503.080271]  br_mdb_notify+0x310/0x410
[  503.082218] Node 0 
[  503.086370]  ? br_mdb_dump+0x2530/0x2530
[  503.088762] Normal: 
[  503.092645]  ? kasan_check_write+0x14/0x20
[  503.094862] 1058*4kB 
[  503.098920]  ? do_raw_spin_lock+0xc1/0x200
[  503.101222] (UMEH) 
[  503.105456]  br_multicast_group_expired+0x1bc/0x610
[  503.107837] 417*8kB 
[  503.112067]  ? br_mdb_free+0x80/0x80
[  503.114277] (UMEH) 
[  503.119296]  call_timer_fn+0x272/0x920
[  503.121588] 179*16kB 
[  503.125299]  ? br_mdb_free+0x80/0x80
[  503.127521] (UME) 
[  503.131407]  ? process_timeout+0x40/0x40
[  503.133796] 63*32kB 
[  503.137502]  ? find_held_lock+0x36/0x1c0
[  503.139656] (UMEH) 
[  503.143718]  ? __run_timers+0x7da/0xc70
[  503.146019] 21*64kB 
[  503.150081]  ? _raw_spin_unlock_irq+0x27/0x80
[  503.152300] (UMH) 
[  503.156269]  ? _raw_spin_unlock_irq+0x27/0x80
[  503.158569] 2*128kB 
[  503.163074]  ? br_mdb_free+0x80/0x80
[  503.165204] (MH) 
[  503.169696]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  503.171994] 0*256kB 
[  503.175704]  ? trace_hardirqs_on+0xbd/0x310
[  503.177749] 0*512kB 
[  503.182326]  ? kasan_check_read+0x11/0x20
[  503.184628] 0*1024kB 
[  503.188944]  ? __run_timers+0x7da/0xc70
[  503.191245] 0*2048kB 
[  503.195395]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  503.197784] 0*4096kB 
[  503.201764]  ? br_mdb_free+0x80/0x80
[  503.204150] = 14048kB
[  503.209598]  ? br_mdb_free+0x80/0x80
[  503.211984] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  503.215690]  __run_timers+0x7e5/0xc70
[  503.218085] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  503.221803]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  503.230608] 164 total pagecache pages
[  503.234407]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  503.242981] 0 pages in swap cache
[  503.248327]  ? graph_lock+0x170/0x170
[  503.252106] Swap cache stats: add 0, delete 0, find 0/0
[  503.257116]  ? enqueue_hrtimer+0x1a5/0x560
[  503.260546] Free swap  = 0kB
[  503.264334]  ? lock_release+0x970/0x970
[  503.264351]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  503.269706] Total swap = 0kB
[  503.273942]  ? find_held_lock+0x36/0x1c0
[  503.276936] 1965979 pages RAM
[  503.280910]  ? graph_lock+0x170/0x170
[  503.286073] 0 pages HighMem/MovableOnly
[  503.289091]  ? pvclock_read_flags+0x160/0x160
[  503.293128] 344031 pages reserved
[  503.293137] 0 pages cma reserved
[  503.296239]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  503.300093] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  503.303993]  ? check_preemption_disabled+0x48/0x200
[  503.308679] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  503.312009]  ? __lock_is_held+0xb5/0x140
[  503.315342] syz-executor4 cpuset=
[  503.320882]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  503.327349] syz4
[  503.332377]  ? check_preemption_disabled+0x48/0x200
[  503.342838]  mems_allowed=0
[  503.346900]  run_timer_softirq+0x52/0xb0
[  503.369791]  ? rcu_read_lock_sched_held+0x108/0x120
[  503.374816]  __do_softirq+0x30b/0xad8
[  503.378631]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  503.383742]  ? pvclock_read_flags+0x160/0x160
[  503.388241]  ? lapic_next_event+0x5a/0x90
[  503.392403]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  503.397940]  ? check_preemption_disabled+0x48/0x200
[  503.402958]  ? check_preemption_disabled+0x48/0x200
[  503.407983]  ? kvm_clock_read+0x18/0x30
[  503.411957]  ? kvm_sched_clock_read+0x9/0x20
[  503.416380]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  503.421922]  ? check_preemption_disabled+0x48/0x200
[  503.426953]  irq_exit+0x17f/0x1c0
[  503.430412]  smp_apic_timer_interrupt+0x1cb/0x760
[  503.435253]  ? smp_reschedule_interrupt+0x109/0x650
[  503.440278]  ? smp_call_function_single_interrupt+0x650/0x650
[  503.446168]  ? interrupt_entry+0xb5/0xf0
[  503.450236]  ? trace_hardirqs_off_caller+0xbb/0x310
[  503.455256]  ? trace_hardirqs_off_caller+0xbb/0x310
[  503.460280]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  503.465135]  ? trace_hardirqs_on_caller+0x310/0x310
[  503.470159]  ? trace_hardirqs_on_caller+0x310/0x310
[  503.475181]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  503.480723]  ? check_preemption_disabled+0x48/0x200
[  503.485745]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  503.491299]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  503.496156]  apic_timer_interrupt+0xf/0x20
[  503.500389]  </IRQ>
[  503.502634] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  503.507570] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  503.526476] RSP: 0000:ffff8801866cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  503.534189] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  503.541478] RDX: 0000000000000000 RSI: ffff8801ce554f00 RDI: 0000000000000286
[  503.548751] RBP: ffff8801866cf7b0 R08: ffff8801ce554680 R09: 0000000000000000
[  503.556018] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  503.563291] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  503.570612]  skb_clone+0x1bb/0x500
[  503.574161]  ? finish_task_switch+0x2f5/0x900
[  503.578665]  ? skb_split+0x11e0/0x11e0
[  503.582563]  ? preempt_notifier_register+0x200/0x200
[  503.587670]  ? __switch_to_asm+0x34/0x70
[  503.591736]  ? __switch_to_asm+0x34/0x70
[  503.595799]  ? __switch_to_asm+0x40/0x70
[  503.599863]  ? __switch_to_asm+0x34/0x70
[  503.603929]  ? __switch_to_asm+0x40/0x70
[  503.607991]  ? __switch_to_asm+0x34/0x70
[  503.612054]  ? __switch_to_asm+0x40/0x70
[  503.616115]  ? __switch_to_asm+0x34/0x70
[  503.620188]  ? __switch_to_asm+0x34/0x70
[  503.624256]  ? __switch_to_asm+0x40/0x70
[  503.628320]  ? __switch_to_asm+0x34/0x70
[  503.632402]  bpf_clone_redirect+0xb9/0x490
[  503.636645]  ? __schedule+0x874/0x1ed0
[  503.640540]  bpf_prog_3d1649e183dc2cc1+0x379/0x1000
[  503.645561]  ? __sched_text_start+0x8/0x8
[  503.649715]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  503.654484]  ? find_held_lock+0x36/0x1c0
[  503.658555]  ? lock_acquire+0x1ed/0x520
[  503.662539]  ? bpf_test_run+0x32e/0x5a0
[  503.666521]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  503.672063]  ? check_preemption_disabled+0x48/0x200
[  503.677090]  ? kasan_check_read+0x11/0x20
[  503.681247]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  503.686527]  ? rcu_bh_qs+0xc0/0xc0
[  503.690076]  ? preempt_schedule+0x4d/0x60
[  503.694229]  ? ___preempt_schedule+0x16/0x18
[  503.698648]  ? bpf_test_run+0x1c0/0x5a0
[  503.702640]  ? netlink_diag_dump+0x2a0/0x2a0
[  503.707058]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  503.712598]  ? bpf_test_init.isra.9+0x70/0x100
[  503.717189]  ? bpf_prog_test_run_skb+0x634/0xb40
[  503.721955]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  503.726801]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  503.732337]  ? fput+0x130/0x1a0
[  503.735633]  ? __bpf_prog_get+0x9b/0x290
[  503.739700]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  503.744542]  ? bpf_prog_test_run+0x130/0x1a0
[  503.748955]  ? __x64_sys_bpf+0x3d8/0x510
[  503.753022]  ? bpf_prog_get+0x20/0x20
[  503.756847]  ? do_syscall_64+0x1b9/0x820
[  503.760913]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  503.766281]  ? syscall_return_slowpath+0x5e0/0x5e0
[  503.771214]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  503.776064]  ? trace_hardirqs_on_caller+0x310/0x310
[  503.781086]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  503.786111]  ? prepare_exit_to_usermode+0x291/0x3b0
[  503.791149]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  503.796021]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  503.801430] CPU: 0 PID: 11399 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  503.801571] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  503.808839] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  503.819307] syz-executor4 cpuset=
[  503.828647] Call Trace:
[  503.828658]  <IRQ>
[  503.832113] syz4
[  503.834732]  dump_stack+0x1c4/0x2b4
[  503.836837]  mems_allowed=0
[  503.845380]  ? dump_stack_print_info.cold.2+0x52/0x52
[  503.850591]  warn_alloc.cold.119+0xb7/0x1bd
[  503.854923]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  503.859773]  ? lock_downgrade+0x900/0x900
[  503.863933]  ? trace_hardirqs_off+0xb8/0x310
[  503.868357]  ? trace_hardirqs_off+0xb8/0x310
[  503.872795]  __alloc_pages_slowpath+0x2667/0x2d80
[  503.877680]  ? warn_alloc+0x120/0x120
[  503.881486]  ? trace_hardirqs_on+0x310/0x310
[  503.885904]  ? warn_alloc+0x120/0x120
[  503.889709]  ? print_usage_bug+0xc0/0xc0
[  503.893778]  ? warn_alloc+0x120/0x120
[  503.897583]  ? ktime_get+0x2e1/0x440
[  503.901303]  ? print_usage_bug+0xc0/0xc0
[  503.905387]  ? __lock_acquire+0x7ec/0x4ec0
[  503.909645]  ? __lock_acquire+0x7ec/0x4ec0
[  503.913881]  ? kasan_check_read+0x11/0x20
[  503.918049]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  503.923602]  ? should_fail+0x22d/0xd01
[  503.927501]  ? rcu_bh_qs+0xc0/0xc0
[  503.931048]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  503.936158]  ? __lock_acquire+0x7ec/0x4ec0
[  503.940407]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  503.945509]  ? __lock_acquire+0x7ec/0x4ec0
[  503.949746]  ? should_fail+0x22d/0xd01
[  503.953649]  ? rcu_idle_enter+0x4b0/0x4b0
[  503.957809]  ? mark_held_locks+0x130/0x130
[  503.962051]  ? mark_held_locks+0x130/0x130
[  503.966292]  ? mark_held_locks+0xc7/0x130
[  503.970440]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  503.975456]  ? graph_lock+0x170/0x170
[  503.979263]  ? print_usage_bug+0xc0/0xc0
[  503.983327]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  503.988870]  ? check_preemption_disabled+0x48/0x200
[  503.993886]  ? check_preemption_disabled+0x48/0x200
[  503.998920]  ? __lock_is_held+0xb5/0x140
[  504.002996]  __alloc_pages_nodemask+0xa80/0xde0
[  504.007667]  ? graph_lock+0x170/0x170
[  504.011474]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  504.016489]  ? graph_lock+0x170/0x170
[  504.020301]  ? find_held_lock+0x36/0x1c0
[  504.024384]  ? ____cache_alloc_node+0x1c7/0x1e0
[  504.029058]  ? lock_downgrade+0x900/0x900
[  504.033216]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  504.038761]  cache_grow_begin+0x91/0x8c0
[  504.042830]  ? do_raw_spin_unlock+0xa7/0x2f0
[  504.047248]  fallback_alloc+0x203/0x2e0
[  504.051275]  ____cache_alloc_node+0x1c7/0x1e0
[  504.055797]  kmem_cache_alloc_node+0xe3/0x730
[  504.060309]  ? ipv6_get_ifaddr+0x42e/0x620
[  504.064563]  __alloc_skb+0x119/0x770
[  504.068280]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  504.073568]  ? skb_scrub_packet+0x490/0x490
[  504.077893]  ? lock_downgrade+0x900/0x900
[  504.082056]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  504.087596]  ? refcount_sub_and_test_checked+0x203/0x310
[  504.093062]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  504.098515]  ? addrconf_rs_timer+0x6f0/0x6f0
[  504.102936]  ndisc_alloc_skb+0x144/0x340
[  504.107019]  ndisc_send_rs+0x331/0x6e0
[  504.110914]  addrconf_rs_timer+0x3c0/0x6f0
[  504.115167]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  504.119419]  call_timer_fn+0x272/0x920
[  504.123325]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  504.127570]  ? process_timeout+0x40/0x40
[  504.131660]  ? find_held_lock+0x36/0x1c0
[  504.135757]  ? __run_timers+0x7da/0xc70
[  504.139737]  ? _raw_spin_unlock_irq+0x27/0x80
[  504.144235]  ? _raw_spin_unlock_irq+0x27/0x80
[  504.148730]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  504.152966]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  504.157551]  ? trace_hardirqs_on+0xbd/0x310
[  504.161877]  ? kasan_check_read+0x11/0x20
[  504.166032]  ? __run_timers+0x7da/0xc70
[  504.170012]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  504.175474]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  504.179717]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  504.183954]  __run_timers+0x7e5/0xc70
[  504.187777]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  504.193149]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  504.198169]  ? graph_lock+0x170/0x170
[  504.201979]  ? enqueue_hrtimer+0x1a5/0x560
[  504.206213]  ? lock_release+0x970/0x970
[  504.210196]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  504.215401]  ? find_held_lock+0x36/0x1c0
[  504.219471]  ? graph_lock+0x170/0x170
[  504.223279]  ? pvclock_read_flags+0x160/0x160
[  504.227778]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  504.233319]  ? check_preemption_disabled+0x48/0x200
[  504.238357]  ? __lock_is_held+0xb5/0x140
[  504.242436]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  504.247973]  ? check_preemption_disabled+0x48/0x200
[  504.253011]  run_timer_softirq+0x52/0xb0
[  504.257078]  ? rcu_read_lock_sched_held+0x108/0x120
[  504.262100]  __do_softirq+0x30b/0xad8
[  504.265916]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  504.271025]  ? pvclock_read_flags+0x160/0x160
[  504.275524]  ? lapic_next_event+0x5a/0x90
[  504.279678]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  504.285219]  ? check_preemption_disabled+0x48/0x200
[  504.290235]  ? check_preemption_disabled+0x48/0x200
[  504.295260]  ? kvm_clock_read+0x18/0x30
[  504.299239]  ? kvm_sched_clock_read+0x9/0x20
[  504.303661]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  504.309205]  ? check_preemption_disabled+0x48/0x200
[  504.314245]  irq_exit+0x17f/0x1c0
[  504.317702]  smp_apic_timer_interrupt+0x1cb/0x760
[  504.322545]  ? smp_reschedule_interrupt+0x109/0x650
[  504.327599]  ? smp_call_function_single_interrupt+0x650/0x650
[  504.333518]  ? interrupt_entry+0xb5/0xf0
[  504.337585]  ? trace_hardirqs_off_caller+0xbb/0x310
[  504.342610]  ? trace_hardirqs_off_caller+0xbb/0x310
[  504.347644]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  504.352492]  ? trace_hardirqs_on_caller+0x310/0x310
[  504.357510]  ? trace_hardirqs_on_caller+0x310/0x310
[  504.362530]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  504.368555]  ? check_preemption_disabled+0x48/0x200
[  504.373571]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  504.379120]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  504.383977]  apic_timer_interrupt+0xf/0x20
[  504.388205]  </IRQ>
[  504.390448] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  504.395390] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  504.414300] RSP: 0000:ffff8801ba62f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  504.422012] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  504.429278] RDX: 0000000000000000 RSI: ffff8801b881aa80 RDI: 0000000000000286
[  504.436544] RBP: ffff8801ba62f7b0 R08: ffff8801b881a200 R09: 0000000000000000
[  504.443811] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  504.451080] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  504.458407]  skb_clone+0x1bb/0x500
[  504.461953]  ? finish_task_switch+0x1b5/0x900
[  504.466457]  ? skb_split+0x11e0/0x11e0
[  504.470349]  ? preempt_notifier_register+0x200/0x200
[  504.475474]  ? __switch_to_asm+0x34/0x70
[  504.479537]  ? __switch_to_asm+0x34/0x70
[  504.483600]  ? __switch_to_asm+0x40/0x70
[  504.487666]  ? __switch_to_asm+0x34/0x70
[  504.491726]  ? __switch_to_asm+0x40/0x70
[  504.495791]  ? __switch_to_asm+0x34/0x70
[  504.500137]  ? __switch_to_asm+0x40/0x70
[  504.504218]  ? __switch_to_asm+0x34/0x70
[  504.508285]  ? __switch_to_asm+0x34/0x70
[  504.512350]  ? __switch_to_asm+0x40/0x70
[  504.516529]  ? __switch_to_asm+0x34/0x70
[  504.520602]  bpf_clone_redirect+0xb9/0x490
[  504.524848]  ? __schedule+0x874/0x1ed0
[  504.528745]  bpf_prog_3d1649e183dc2cc1+0xcce/0x1000
[  504.533767]  ? __sched_text_start+0x8/0x8
[  504.537922]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  504.542695]  ? find_held_lock+0x36/0x1c0
[  504.546767]  ? lock_acquire+0x1ed/0x520
[  504.550742]  ? bpf_test_run+0x32e/0x5a0
[  504.554810]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  504.560351]  ? check_preemption_disabled+0x48/0x200
[  504.565392]  ? kasan_check_read+0x11/0x20
[  504.569546]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  504.574830]  ? rcu_bh_qs+0xc0/0xc0
[  504.578387]  ? preempt_schedule+0x4d/0x60
[  504.582541]  ? ___preempt_schedule+0x16/0x18
[  504.586958]  ? bpf_test_run+0x1c0/0x5a0
[  504.590949]  ? netlink_diag_dump+0x2a0/0x2a0
[  504.595375]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  504.600923]  ? bpf_test_init.isra.9+0x70/0x100
[  504.605514]  ? bpf_prog_test_run_skb+0x634/0xb40
[  504.610285]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  504.615129]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  504.620672]  ? fput+0x130/0x1a0
[  504.623955]  ? __bpf_prog_get+0x9b/0x290
[  504.628028]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  504.632874]  ? bpf_prog_test_run+0x130/0x1a0
[  504.637287]  ? __x64_sys_bpf+0x3d8/0x510
[  504.641349]  ? bpf_prog_get+0x20/0x20
[  504.645182]  ? do_syscall_64+0x1b9/0x820
[  504.649265]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  504.654641]  ? syscall_return_slowpath+0x5e0/0x5e0
[  504.659575]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  504.664865]  ? trace_hardirqs_on_caller+0x310/0x310
[  504.669886]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  504.674909]  ? prepare_exit_to_usermode+0x291/0x3b0
[  504.679939]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  504.684800]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  504.690180] warn_alloc_show_mem: 1 callbacks suppressed
[  504.690192] CPU: 1 PID: 11390 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  504.690194] Mem-Info:
[  504.690227] active_anon:122480 inactive_anon:112 isolated_anon:0
[  504.690227]  active_file:16 inactive_file:5 isolated_file:0
[  504.690227]  unevictable:0 dirty:0 writeback:0 unstable:0
[  504.690227]  slab_reclaimable:9164 slab_unreclaimable:1399977
[  504.690227]  mapped:40962 shmem:118 pagetables:796 bounce:0
[  504.690227]  free:13728 free_pcp:0 free_cma:0
[  504.695565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  504.703116] Node 0 active_anon:489920kB inactive_anon:448kB active_file:64kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:472kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 471040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  504.705489] Call Trace:
[  504.705525]  <IRQ>
[  504.738247] Node 0 
[  504.747612]  dump_stack+0x1c4/0x2b4
[  504.775117] 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
[  504.777688]  ? dump_stack_print_info.cold.2+0x52/0x52
[  504.779807] lowmem_reserve[]:
[  504.782057]  warn_alloc.cold.119+0xb7/0x1bd
[  504.785647]  0
[  504.811164]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  504.816329]  2813
[  504.819435]  ? lock_downgrade+0x900/0x900
[  504.823731]  6317 6317
[  504.825550]  ? trace_hardirqs_off+0xb8/0x310
[  504.830373] Node 0 
[  504.832441]  ? trace_hardirqs_off+0xb8/0x310
[  504.836646] DMA32 free:25276kB min:30028kB low:37532kB high:45036kB active_anon:12288kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2884608kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  504.839077]  __alloc_pages_slowpath+0x2667/0x2d80
[  504.843452] lowmem_reserve[]: 0
[  504.845731]  ? warn_alloc+0x120/0x120
[  504.850083]  0 3503
[  504.877004]  ? warn_alloc+0x120/0x120
[  504.881827]  3503
[  504.885105]  ? print_usage_bug+0xc0/0xc0
[  504.891115]  ? warn_alloc+0x120/0x120
[  504.894890] Node 0 
[  504.896954]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  504.901008] Normal free:13728kB min:37384kB low:46728kB high:56072kB active_anon:477632kB inactive_anon:448kB active_file:64kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3587276kB mlocked:0kB kernel_stack:5408kB pagetables:3184kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  504.904777]  ? print_usage_bug+0xc0/0xc0
[  504.906985] lowmem_reserve[]: 0
[  504.912013]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  504.940008]  0 0
[  504.944090]  ? check_preemption_disabled+0x48/0x200
[  504.947338]  0
[  504.952899]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  504.954846] Node 0 
[  504.959864]  ? should_fail+0x22d/0xd01
[  504.961645] DMA: 
[  504.967181]  ? __lock_acquire+0x7ec/0x4ec0
[  504.969395] 1*4kB 
[  504.973281]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  504.975319] (U) 
[  504.979550]  ? __lock_acquire+0x7ec/0x4ec0
[  504.981679] 0*8kB 
[  504.986777]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  504.988719] 0*16kB 1*32kB 
[  504.992956]  ? __lock_acquire+0x7ec/0x4ec0
[  504.992973]  ? should_fail+0x22d/0xd01
[  504.995102] (U) 
[  505.000211]  ? mark_held_locks+0x130/0x130
[  505.003020] 2*64kB (U) 
[  505.007260]  ? mark_held_locks+0x130/0x130
[  505.011118] 1*128kB (U) 
[  505.013115]  ? graph_lock+0x170/0x170
[  505.017313] 1*256kB (U) 
[  505.019904]  ? print_usage_bug+0xc0/0xc0
[  505.024140] 0*512kB 
[  505.026809]  ? find_held_lock+0x36/0x1c0
[  505.026829]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  505.030609] 1*1024kB 
[  505.033292]  ? check_preemption_disabled+0x48/0x200
[  505.037351] (U) 
[  505.039681]  ? check_preemption_disabled+0x48/0x200
[  505.043709] 1*2048kB (M) 
[  505.049270]  ? __lock_is_held+0xb5/0x140
[  505.051653] 3*4096kB 
[  505.056668]  __alloc_pages_nodemask+0xa80/0xde0
[  505.058613] (M) 
[  505.063625]  ? graph_lock+0x170/0x170
[  505.066371] = 15908kB
[  505.070428]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  505.072816] Node 0 
[  505.077474]  ? graph_lock+0x170/0x170
[  505.077500]  ? find_held_lock+0x36/0x1c0
[  505.079445] DMA32: 5*4kB 
[  505.083256]  ? ____cache_alloc_node+0x1c7/0x1e0
[  505.085645] (UM) 
[  505.090660]  ? lock_downgrade+0x900/0x900
[  505.092866] 1*8kB (U) 
[  505.096677]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  505.100713] 4*16kB 
[  505.103467]  cache_grow_begin+0x91/0x8c0
[  505.108109] (UM) 
[  505.110174]  ? do_raw_spin_unlock+0xa7/0x2f0
[  505.114293] 3*32kB (UM) 
[  505.116797]  fallback_alloc+0x203/0x2e0
[  505.122393] 4*64kB 
[  505.124627]  ____cache_alloc_node+0x1c7/0x1e0
[  505.128662] (M) 
[  505.130727]  kmem_cache_alloc_node+0xe3/0x730
[  505.135105] 4*128kB (UM) 
[  505.137785]  ? ipv6_get_ifaddr+0x42e/0x620
[  505.141726] 3*256kB (M) 
[  505.143973]  __alloc_skb+0x119/0x770
[  505.148441] 4*512kB 
[  505.150419]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  505.154886] (UM) 
[  505.157647]  ? skb_scrub_packet+0x490/0x490
[  505.161854] 3*1024kB 
[  505.164520]  ? lock_downgrade+0x900/0x900
[  505.168206] (UM) 
[  505.170530]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  505.175775] 3*2048kB (UM) 
[  505.177847]  ? refcount_sub_and_test_checked+0x203/0x310
[  505.182141] 3*4096kB 
[  505.184545]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  505.188665] (M) 
[  505.190728]  ? addrconf_rs_timer+0x6f0/0x6f0
[  505.196241] = 25276kB
[  505.199090]  ndisc_alloc_skb+0x144/0x340
[  505.204507] Node 0 
[  505.206913]  ndisc_send_rs+0x331/0x6e0
[  505.212340] Normal: 
[  505.214326]  addrconf_rs_timer+0x3c0/0x6f0
[  505.218710] 1058*4kB 
[  505.221117]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  505.225151] (UMEH) 
[  505.227399]  call_timer_fn+0x272/0x920
[  505.231251] 417*8kB 
[  505.233571]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  505.237781] (UMEH) 
[  505.240194]  ? process_timeout+0x40/0x40
[  505.244395] 179*16kB (UME) 
[  505.246633]  ? find_held_lock+0x36/0x1c0
[  505.246657]  ? __run_timers+0x7da/0xc70
[  505.250514] 63*32kB (UMEH) 
[  505.252848]  ? _raw_spin_unlock_irq+0x27/0x80
[  505.257062] 21*64kB 
[  505.259293]  ? _raw_spin_unlock_irq+0x27/0x80
[  505.263326] (UMH) 
[  505.266256]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  505.270290] 2*128kB 
[  505.274257]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  505.277166] (MH) 
[  505.281659]  ? trace_hardirqs_on+0xbd/0x310
[  505.283959] 0*256kB 
[  505.288445]  ? kasan_check_read+0x11/0x20
[  505.290576] 0*512kB 
[  505.294803]  ? __run_timers+0x7da/0xc70
[  505.297099] 0*1024kB 
[  505.301688]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  505.303725] 0*2048kB 
[  505.308053]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  505.310343] 0*4096kB 
[  505.314498]  __run_timers+0x7e5/0xc70
[  505.316793] = 14048kB
[  505.320774]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  505.323158] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  505.328598]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  505.330990] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  505.335212]  ? graph_lock+0x170/0x170
[  505.337603] 164 total pagecache pages
[  505.341402]  ? enqueue_hrtimer+0x1a5/0x560
[  505.343798] 0 pages in swap cache
[  505.349167]  ? lock_release+0x970/0x970
[  505.357977] Swap cache stats: add 0, delete 0, find 0/0
[  505.357986] Free swap  = 0kB
[  505.362998]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  505.371554] Total swap = 0kB
[  505.375349]  ? find_held_lock+0x36/0x1c0
[  505.379134] 1965979 pages RAM
[  505.383375]  ? graph_lock+0x170/0x170
[  505.386801] 0 pages HighMem/MovableOnly
[  505.386810] 344031 pages reserved
[  505.390777]  ? pvclock_read_flags+0x160/0x160
[  505.396117] 0 pages cma reserved
[  505.399139]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  505.404377] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  505.407310]  ? check_preemption_disabled+0x48/0x200
[  505.407336]  ? __lock_is_held+0xb5/0x140
[  505.407354]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  505.411466] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  505.414509]  ? check_preemption_disabled+0x48/0x200
[  505.418287] syz-executor4 cpuset=
[  505.422260]  run_timer_softirq+0x52/0xb0
[  505.425686] syz4
[  505.430178]  ? rcu_read_lock_sched_held+0x108/0x120
[  505.433522]  mems_allowed=0
[  505.439050]  __do_softirq+0x30b/0xad8
[  505.497192]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  505.502319]  ? pvclock_read_flags+0x160/0x160
[  505.506816]  ? lapic_next_event+0x5a/0x90
[  505.510968]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  505.516515]  ? check_preemption_disabled+0x48/0x200
[  505.521531]  ? check_preemption_disabled+0x48/0x200
[  505.526562]  ? kvm_clock_read+0x18/0x30
[  505.530542]  ? kvm_sched_clock_read+0x9/0x20
[  505.534956]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  505.540495]  ? check_preemption_disabled+0x48/0x200
[  505.545526]  irq_exit+0x17f/0x1c0
[  505.548987]  smp_apic_timer_interrupt+0x1cb/0x760
[  505.553831]  ? smp_reschedule_interrupt+0x109/0x650
[  505.558849]  ? smp_call_function_single_interrupt+0x650/0x650
[  505.564757]  ? interrupt_entry+0xb5/0xf0
[  505.568850]  ? trace_hardirqs_off_caller+0xbb/0x310
[  505.573868]  ? trace_hardirqs_off_caller+0xbb/0x310
[  505.578889]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  505.583737]  ? trace_hardirqs_on_caller+0x310/0x310
[  505.588755]  ? trace_hardirqs_on_caller+0x310/0x310
[  505.593776]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  505.599316]  ? check_preemption_disabled+0x48/0x200
[  505.604338]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  505.609902]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  505.614756]  apic_timer_interrupt+0xf/0x20
[  505.618985]  </IRQ>
[  505.621232] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  505.626169] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  505.645069] RSP: 0000:ffff8801866cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  505.652782] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  505.660050] RDX: 0000000000000000 RSI: ffff8801ce554f00 RDI: 0000000000000286
[  505.667317] RBP: ffff8801866cf7b0 R08: ffff8801ce554680 R09: 0000000000000000
[  505.674588] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  505.681854] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  505.689184]  skb_clone+0x1bb/0x500
[  505.692729]  ? finish_task_switch+0x2f5/0x900
[  505.697234]  ? skb_split+0x11e0/0x11e0
[  505.701131]  ? preempt_notifier_register+0x200/0x200
[  505.706239]  ? __switch_to_asm+0x34/0x70
[  505.710308]  ? __switch_to_asm+0x34/0x70
[  505.714378]  ? __switch_to_asm+0x40/0x70
[  505.718444]  ? __switch_to_asm+0x34/0x70
[  505.722505]  ? __switch_to_asm+0x40/0x70
[  505.726571]  ? __switch_to_asm+0x34/0x70
[  505.730633]  ? __switch_to_asm+0x40/0x70
[  505.734697]  ? __switch_to_asm+0x34/0x70
[  505.738766]  ? __switch_to_asm+0x34/0x70
[  505.742830]  ? __switch_to_asm+0x40/0x70
[  505.746901]  ? __switch_to_asm+0x34/0x70
[  505.750969]  bpf_clone_redirect+0xb9/0x490
[  505.755209]  ? __schedule+0x874/0x1ed0
[  505.759103]  bpf_prog_3d1649e183dc2cc1+0x379/0x1000
[  505.764138]  ? __sched_text_start+0x8/0x8
[  505.768294]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  505.773062]  ? find_held_lock+0x36/0x1c0
[  505.777141]  ? lock_acquire+0x1ed/0x520
[  505.781120]  ? bpf_test_run+0x32e/0x5a0
[  505.785110]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  505.790663]  ? check_preemption_disabled+0x48/0x200
[  505.795688]  ? kasan_check_read+0x11/0x20
[  505.799847]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  505.805138]  ? rcu_bh_qs+0xc0/0xc0
[  505.808688]  ? preempt_schedule+0x4d/0x60
[  505.812844]  ? ___preempt_schedule+0x16/0x18
[  505.817271]  ? bpf_test_run+0x1c0/0x5a0
[  505.821262]  ? netlink_diag_dump+0x2a0/0x2a0
[  505.825711]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  505.831252]  ? bpf_test_init.isra.9+0x70/0x100
[  505.835842]  ? bpf_prog_test_run_skb+0x634/0xb40
[  505.840613]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  505.845461]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  505.851002]  ? fput+0x130/0x1a0
[  505.854287]  ? __bpf_prog_get+0x9b/0x290
[  505.858355]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  505.863214]  ? bpf_prog_test_run+0x130/0x1a0
[  505.867626]  ? __x64_sys_bpf+0x3d8/0x510
[  505.871691]  ? bpf_prog_get+0x20/0x20
[  505.875520]  ? do_syscall_64+0x1b9/0x820
[  505.879584]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  505.884950]  ? syscall_return_slowpath+0x5e0/0x5e0
[  505.889881]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  505.894728]  ? trace_hardirqs_on_caller+0x310/0x310
[  505.899747]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  505.904768]  ? prepare_exit_to_usermode+0x291/0x3b0
[  505.909796]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  505.914653]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  505.920044] CPU: 0 PID: 11399 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  505.920132] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  505.927407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  505.927413] Call Trace:
[  505.927420]  <IRQ>
[  505.927438]  dump_stack+0x1c4/0x2b4
[  505.927456]  ? dump_stack_print_info.cold.2+0x52/0x52
[  505.927483]  warn_alloc.cold.119+0xb7/0x1bd
[  505.934005] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  505.943337]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  505.945896] syz-executor4 cpuset=
[  505.948045]  ? lock_downgrade+0x900/0x900
[  505.951649] syz4
[  505.956834]  ? trace_hardirqs_off+0xb8/0x310
[  505.961134]  mems_allowed=0
[  505.971611]  ? trace_hardirqs_off+0xb8/0x310
[  505.997676]  __alloc_pages_slowpath+0x2667/0x2d80
[  506.002553]  ? warn_alloc+0x120/0x120
[  506.006374]  ? warn_alloc+0x120/0x120
[  506.010192]  ? print_usage_bug+0xc0/0xc0
[  506.014344]  ? warn_alloc+0x120/0x120
[  506.018155]  ? print_usage_bug+0xc0/0xc0
[  506.022221]  ? __lock_acquire+0x7ec/0x4ec0
[  506.026456]  ? __lock_acquire+0x7ec/0x4ec0
[  506.030696]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  506.036235]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  506.041777]  ? should_fail+0x22d/0xd01
[  506.045671]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  506.050807]  ? __lock_acquire+0x7ec/0x4ec0
[  506.055052]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  506.060155]  ? __lock_acquire+0x7ec/0x4ec0
[  506.064402]  ? should_fail+0x22d/0xd01
[  506.068304]  ? mark_held_locks+0x130/0x130
[  506.072551]  ? mark_held_locks+0x130/0x130
[  506.076788]  ? graph_lock+0x170/0x170
[  506.080590]  ? print_usage_bug+0xc0/0xc0
[  506.084661]  ? graph_lock+0x170/0x170
[  506.088462]  ? print_usage_bug+0xc0/0xc0
[  506.092529]  ? wq_watchdog_touch+0x9c/0xfe
[  506.096766]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  506.102307]  ? check_preemption_disabled+0x48/0x200
[  506.107331]  ? check_preemption_disabled+0x48/0x200
[  506.112379]  ? __lock_is_held+0xb5/0x140
[  506.116452]  __alloc_pages_nodemask+0xa80/0xde0
[  506.121145]  ? graph_lock+0x170/0x170
[  506.124955]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  506.129971]  ? graph_lock+0x170/0x170
[  506.133789]  ? find_held_lock+0x36/0x1c0
[  506.137869]  ? ____cache_alloc_node+0x1c7/0x1e0
[  506.142547]  ? lock_downgrade+0x900/0x900
[  506.146708]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  506.152253]  cache_grow_begin+0x91/0x8c0
[  506.156319]  ? do_raw_spin_unlock+0xa7/0x2f0
[  506.160736]  fallback_alloc+0x203/0x2e0
[  506.164724]  ____cache_alloc_node+0x1c7/0x1e0
[  506.169227]  kmem_cache_alloc_node+0xe3/0x730
[  506.173728]  ? ipv6_get_ifaddr+0x42e/0x620
[  506.177978]  __alloc_skb+0x119/0x770
[  506.181702]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  506.186997]  ? skb_scrub_packet+0x490/0x490
[  506.191319]  ? lock_downgrade+0x900/0x900
[  506.195486]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  506.201042]  ? refcount_sub_and_test_checked+0x203/0x310
[  506.206501]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  506.211959]  ? addrconf_rs_timer+0x6f0/0x6f0
[  506.216395]  ndisc_alloc_skb+0x144/0x340
[  506.220464]  ndisc_send_rs+0x331/0x6e0
[  506.224372]  addrconf_rs_timer+0x3c0/0x6f0
[  506.228617]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  506.232876]  call_timer_fn+0x272/0x920
[  506.236765]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  506.241008]  ? process_timeout+0x40/0x40
[  506.245070]  ? find_held_lock+0x36/0x1c0
[  506.249145]  ? __run_timers+0x7da/0xc70
[  506.253127]  ? _raw_spin_unlock_irq+0x27/0x80
[  506.257631]  ? _raw_spin_unlock_irq+0x27/0x80
[  506.262124]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  506.266374]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  506.270961]  ? trace_hardirqs_on+0xbd/0x310
[  506.275282]  ? kasan_check_read+0x11/0x20
[  506.279433]  ? __run_timers+0x7da/0xc70
[  506.283414]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  506.288872]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  506.293112]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  506.297352]  __run_timers+0x7e5/0xc70
[  506.301200]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  506.306571]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  506.311590]  ? graph_lock+0x170/0x170
[  506.315403]  ? enqueue_hrtimer+0x1a5/0x560
[  506.319643]  ? lock_release+0x970/0x970
[  506.323618]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  506.328826]  ? find_held_lock+0x36/0x1c0
[  506.332894]  ? graph_lock+0x170/0x170
[  506.336699]  ? pvclock_read_flags+0x160/0x160
[  506.341198]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  506.346739]  ? check_preemption_disabled+0x48/0x200
[  506.351770]  ? __lock_is_held+0xb5/0x140
[  506.355837]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  506.361382]  ? check_preemption_disabled+0x48/0x200
[  506.366927]  run_timer_softirq+0x52/0xb0
[  506.370990]  ? rcu_read_lock_sched_held+0x108/0x120
[  506.376011]  __do_softirq+0x30b/0xad8
[  506.379826]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  506.384935]  ? pvclock_read_flags+0x160/0x160
[  506.389434]  ? lapic_next_event+0x5a/0x90
[  506.393598]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  506.399152]  ? check_preemption_disabled+0x48/0x200
[  506.404171]  ? check_preemption_disabled+0x48/0x200
[  506.409198]  ? kvm_clock_read+0x18/0x30
[  506.413173]  ? kvm_sched_clock_read+0x9/0x20
[  506.417588]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  506.423123]  ? check_preemption_disabled+0x48/0x200
[  506.428157]  irq_exit+0x17f/0x1c0
[  506.431618]  smp_apic_timer_interrupt+0x1cb/0x760
[  506.436466]  ? smp_reschedule_interrupt+0x109/0x650
[  506.441486]  ? smp_call_function_single_interrupt+0x650/0x650
[  506.447384]  ? interrupt_entry+0xb5/0xf0
[  506.451453]  ? trace_hardirqs_off_caller+0xbb/0x310
[  506.456470]  ? trace_hardirqs_off_caller+0xbb/0x310
[  506.461750]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  506.466596]  ? trace_hardirqs_on_caller+0x310/0x310
[  506.471628]  ? trace_hardirqs_on_caller+0x310/0x310
[  506.476650]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  506.482191]  ? check_preemption_disabled+0x48/0x200
[  506.487211]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  506.492757]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  506.497860]  apic_timer_interrupt+0xf/0x20
[  506.502094]  </IRQ>
[  506.505076] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  506.510007] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  506.528911] RSP: 0000:ffff8801ba62f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  506.536628] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  506.543900] RDX: 0000000000000000 RSI: ffff8801b881aa80 RDI: 0000000000000286
[  506.551172] RBP: ffff8801ba62f7b0 R08: ffff8801b881a200 R09: 0000000000000000
[  506.558439] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  506.565707] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  506.573024]  skb_clone+0x1bb/0x500
[  506.576574]  ? finish_task_switch+0x1b5/0x900
[  506.581073]  ? skb_split+0x11e0/0x11e0
[  506.584966]  ? preempt_notifier_register+0x200/0x200
[  506.590072]  ? __switch_to_asm+0x34/0x70
[  506.594137]  ? __switch_to_asm+0x34/0x70
[  506.598203]  ? __switch_to_asm+0x40/0x70
[  506.602271]  ? __switch_to_asm+0x34/0x70
[  506.606332]  ? __switch_to_asm+0x40/0x70
[  506.610400]  ? __switch_to_asm+0x34/0x70
[  506.614461]  ? __switch_to_asm+0x40/0x70
[  506.618526]  ? __switch_to_asm+0x34/0x70
[  506.622590]  ? __switch_to_asm+0x34/0x70
[  506.626658]  ? __switch_to_asm+0x40/0x70
[  506.630809]  ? __switch_to_asm+0x34/0x70
[  506.634883]  bpf_clone_redirect+0xb9/0x490
[  506.639123]  ? __schedule+0x874/0x1ed0
[  506.643022]  bpf_prog_3d1649e183dc2cc1+0xcce/0x1000
[  506.648041]  ? __sched_text_start+0x8/0x8
[  506.652194]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  506.656964]  ? find_held_lock+0x36/0x1c0
[  506.661036]  ? lock_acquire+0x1ed/0x520
[  506.665013]  ? bpf_test_run+0x32e/0x5a0
[  506.668991]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  506.674532]  ? check_preemption_disabled+0x48/0x200
[  506.679559]  ? kasan_check_read+0x11/0x20
[  506.683714]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  506.688997]  ? rcu_bh_qs+0xc0/0xc0
[  506.692539]  ? preempt_schedule+0x4d/0x60
[  506.696692]  ? ___preempt_schedule+0x16/0x18
[  506.701114]  ? bpf_test_run+0x1c0/0x5a0
[  506.705103]  ? netlink_diag_dump+0x2a0/0x2a0
[  506.709520]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  506.715058]  ? bpf_test_init.isra.9+0x70/0x100
[  506.719654]  ? bpf_prog_test_run_skb+0x634/0xb40
[  506.724426]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  506.729270]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  506.734809]  ? fput+0x130/0x1a0
[  506.738091]  ? __bpf_prog_get+0x9b/0x290
[  506.742160]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  506.747001]  ? bpf_prog_test_run+0x130/0x1a0
[  506.751415]  ? __x64_sys_bpf+0x3d8/0x510
[  506.755482]  ? bpf_prog_get+0x20/0x20
[  506.759309]  ? do_syscall_64+0x1b9/0x820
[  506.763387]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  506.768759]  ? syscall_return_slowpath+0x5e0/0x5e0
[  506.773688]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  506.778539]  ? trace_hardirqs_on_caller+0x310/0x310
[  506.783560]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  506.788579]  ? prepare_exit_to_usermode+0x291/0x3b0
[  506.793608]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  506.798467]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  506.803845] warn_alloc_show_mem: 1 callbacks suppressed
[  506.803857] CPU: 1 PID: 11390 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  506.803859] Mem-Info:
[  506.803891] active_anon:122480 inactive_anon:112 isolated_anon:0
[  506.803891]  active_file:16 inactive_file:5 isolated_file:0
[  506.803891]  unevictable:0 dirty:0 writeback:0 unstable:0
[  506.803891]  slab_reclaimable:9164 slab_unreclaimable:1399977
[  506.803891]  mapped:40962 shmem:118 pagetables:796 bounce:0
[  506.803891]  free:13728 free_pcp:0 free_cma:0
[  506.809265] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  506.816643] Node 0 active_anon:489920kB inactive_anon:448kB active_file:64kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:472kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 471040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  506.819039] Call Trace:
[  506.851736] Node 0 
[  506.861078]  <IRQ>
[  506.888585] 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
[  506.891149]  dump_stack+0x1c4/0x2b4
[  506.893352] lowmem_reserve[]:
[  506.895508]  ? dump_stack_print_info.cold.2+0x52/0x52
[  506.920981]  0 2813
[  506.924629]  warn_alloc.cold.119+0xb7/0x1bd
[  506.927698]  6317 6317
[  506.932893]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  506.935105] Node 0 
[  506.939431]  ? lock_downgrade+0x900/0x900
[  506.941927] DMA32 free:25276kB min:30028kB low:37532kB high:45036kB active_anon:12288kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2884608kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  506.946743]  ? trace_hardirqs_off+0xb8/0x310
[  506.948943] lowmem_reserve[]: 0
[  506.953100]  ? trace_hardirqs_off+0xb8/0x310
[  506.979964]  0
[  506.984386]  __alloc_pages_slowpath+0x2667/0x2d80
[  506.987632]  3503
[  506.992061]  ? warn_alloc+0x120/0x120
[  506.993808]  3503
[  506.998687]  ? warn_alloc+0x120/0x120
[  507.000729] Node 0 
[  507.004531]  ? print_usage_bug+0xc0/0xc0
[  507.006660] Normal free:13728kB min:37384kB low:46728kB high:56072kB active_anon:477632kB inactive_anon:448kB active_file:64kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3587276kB mlocked:0kB kernel_stack:5408kB pagetables:3184kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  507.010410]  ? warn_alloc+0x120/0x120
[  507.012614] lowmem_reserve[]: 0
[  507.016679]  ? print_usage_bug+0xc0/0xc0
[  507.044669]  0 0
[  507.048476]  ? __lock_acquire+0x7ec/0x4ec0
[  507.051727]  0
[  507.055790]  ? __lock_acquire+0x7ec/0x4ec0
[  507.057748] Node 0 
[  507.061978]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  507.063748] DMA: 1*4kB 
[  507.067987]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  507.070216] (U) 
[  507.075764]  ? should_fail+0x22d/0xd01
[  507.078323] 0*8kB 
[  507.083860]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  507.085823] 0*16kB 
[  507.089706]  ? __lock_acquire+0x7ec/0x4ec0
[  507.091826] 1*32kB (U) 
[  507.096932]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  507.099145] 2*64kB 
[  507.103379]  ? __lock_acquire+0x7ec/0x4ec0
[  507.103393]  ? should_fail+0x22d/0xd01
[  507.103417]  ? mark_held_locks+0x130/0x130
[  507.105984] (U) 
[  507.111086]  ? mark_held_locks+0x130/0x130
[  507.113301] 1*128kB 
[  507.117537]  ? graph_lock+0x170/0x170
[  507.121402] (U) 
[  507.125630]  ? print_usage_bug+0xc0/0xc0
[  507.127606] 1*256kB 
[  507.132149]  ? graph_lock+0x170/0x170
[  507.134444] (U) 0*512kB 
[  507.138252]  ? print_usage_bug+0xc0/0xc0
[  507.140203] 1*1024kB (U) 
[  507.144270]  ? wq_watchdog_touch+0x9c/0xfe
[  507.146577] 1*2048kB 
[  507.150385]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  507.153044] (M) 
[  507.157101]  ? check_preemption_disabled+0x48/0x200
[  507.159841] 3*4096kB 
[  507.164070]  ? check_preemption_disabled+0x48/0x200
[  507.166459] (M) 
[  507.171999]  ? __lock_is_held+0xb5/0x140
[  507.173952] = 15908kB
[  507.178967]  __alloc_pages_nodemask+0xa80/0xde0
[  507.181351] Node 0 
[  507.186375]  ? graph_lock+0x170/0x170
[  507.188331] DMA32: 
[  507.192397]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  507.194785] 5*4kB 
[  507.199453]  ? graph_lock+0x170/0x170
[  507.201665] (UM) 
[  507.205467]  ? find_held_lock+0x36/0x1c0
[  507.207678] 1*8kB 
[  507.212690]  ? ____cache_alloc_node+0x1c7/0x1e0
[  507.214812] (U) 
[  507.218607]  ? lock_downgrade+0x900/0x900
[  507.220648] 4*16kB (UM) 
[  507.224719]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  507.226834] 3*32kB (UM) 
[  507.231510]  cache_grow_begin+0x91/0x8c0
[  507.233466] 4*64kB 
[  507.237609]  ? do_raw_spin_unlock+0xa7/0x2f0
[  507.240247] (M) 4*128kB 
[  507.245790]  fallback_alloc+0x203/0x2e0
[  507.248443] (UM) 
[  507.252501]  ____cache_alloc_node+0x1c7/0x1e0
[  507.254711] 3*256kB 
[  507.259118]  kmem_cache_alloc_node+0xe3/0x730
[  507.261763] (M) 
[  507.265732]  ? ipv6_get_ifaddr+0x42e/0x620
[  507.267769] 4*512kB 
[  507.272269]  __alloc_skb+0x119/0x770
[  507.274562] (UM) 
[  507.279055]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  507.280999] 3*1024kB (UM) 
[  507.285240]  ? skb_scrub_packet+0x490/0x490
[  507.287538] 3*2048kB (UM) 
[  507.291256]  ? lock_downgrade+0x900/0x900
[  507.293294] 3*4096kB 
[  507.298568]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  507.301394] (M) 
[  507.305715]  ? refcount_sub_and_test_checked+0x203/0x310
[  507.308533] = 25276kB
[  507.312675]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  507.315060] Node 0 
[  507.320600]  ? addrconf_rs_timer+0x6f0/0x6f0
[  507.322550] Normal: 
[  507.328001]  ndisc_alloc_skb+0x144/0x340
[  507.330388] 1058*4kB 
[  507.335832]  ndisc_send_rs+0x331/0x6e0
[  507.338044] (UMEH) 
[  507.342453]  addrconf_rs_timer+0x3c0/0x6f0
[  507.344757] 417*8kB 
[  507.349083]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  507.351468] (UMEH) 
[  507.355373]  call_timer_fn+0x272/0x920
[  507.357580] 179*16kB 
[  507.361821]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  507.364120] (UME) 
[  507.368355]  ? process_timeout+0x40/0x40
[  507.370576] 63*32kB 
[  507.374461]  ? find_held_lock+0x36/0x1c0
[  507.376845] (UMEH) 
[  507.381078]  ? __run_timers+0x7da/0xc70
[  507.383194] 21*64kB (UMH) 
[  507.387274]  ? _raw_spin_unlock_irq+0x27/0x80
[  507.389585] 2*128kB 
[  507.393647]  ? _raw_spin_unlock_irq+0x27/0x80
[  507.395858] (MH) 
[  507.399841]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  507.402663] 0*256kB 
[  507.407158]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  507.409457] 0*512kB 
[  507.413945]  ? trace_hardirqs_on+0xbd/0x310
[  507.415986] 0*1024kB 
[  507.420209]  ? kasan_check_read+0x11/0x20
[  507.422526] 0*2048kB 
[  507.427102]  ? __run_timers+0x7da/0xc70
[  507.429401] 0*4096kB 
[  507.433715]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  507.436097] = 14048kB
[  507.436112] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  507.440254]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  507.442653] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  507.446630]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  507.449070] 164 total pagecache pages
[  507.454516]  __run_timers+0x7e5/0xc70
[  507.456905] 0 pages in swap cache
[  507.465739]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  507.469960] Swap cache stats: add 0, delete 0, find 0/0
[  507.478528]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  507.482736] Free swap  = 0kB
[  507.486528]  ? graph_lock+0x170/0x170
[  507.490319] Total swap = 0kB
[  507.493796]  ? enqueue_hrtimer+0x1a5/0x560
[  507.499131] 1965979 pages RAM
[  507.499140] 0 pages HighMem/MovableOnly
[  507.504498]  ? lock_release+0x970/0x970
[  507.509492] 344031 pages reserved
[  507.509501] 0 pages cma reserved
[  507.512514]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  507.516381] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  507.519326]  ? find_held_lock+0x36/0x1c0
[  507.519343]  ? graph_lock+0x170/0x170
[  507.519359]  ? pvclock_read_flags+0x160/0x160
[  507.523661] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  507.526698]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  507.530654] syz-executor4 cpuset=
[  507.534623]  ? check_preemption_disabled+0x48/0x200
[  507.538057] syz4
[  507.541425]  ? __lock_is_held+0xb5/0x140
[  507.546585]  mems_allowed=0
[  507.553072]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  507.604270]  ? check_preemption_disabled+0x48/0x200
[  507.609302]  run_timer_softirq+0x52/0xb0
[  507.613405]  ? rcu_read_lock_sched_held+0x108/0x120
[  507.618438]  __do_softirq+0x30b/0xad8
[  507.622254]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  507.627405]  ? pvclock_read_flags+0x160/0x160
[  507.631900]  ? lapic_next_event+0x5a/0x90
[  507.636050]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  507.641592]  ? check_preemption_disabled+0x48/0x200
[  507.646611]  ? check_preemption_disabled+0x48/0x200
[  507.651640]  ? kvm_clock_read+0x18/0x30
[  507.655616]  ? kvm_sched_clock_read+0x9/0x20
[  507.660032]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  507.665569]  ? check_preemption_disabled+0x48/0x200
[  507.670599]  irq_exit+0x17f/0x1c0
[  507.674081]  smp_apic_timer_interrupt+0x1cb/0x760
[  507.678940]  ? smp_reschedule_interrupt+0x109/0x650
[  507.683957]  ? smp_call_function_single_interrupt+0x650/0x650
[  507.689849]  ? interrupt_entry+0xb5/0xf0
[  507.693912]  ? trace_hardirqs_off_caller+0xbb/0x310
[  507.698926]  ? trace_hardirqs_off_caller+0xbb/0x310
[  507.703951]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  507.708823]  ? trace_hardirqs_on_caller+0x310/0x310
[  507.713837]  ? trace_hardirqs_on_caller+0x310/0x310
[  507.718857]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  507.724398]  ? check_preemption_disabled+0x48/0x200
[  507.729415]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  507.734966]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  507.739823]  apic_timer_interrupt+0xf/0x20
[  507.744051]  </IRQ>
[  507.746293] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  507.751224] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  507.770129] RSP: 0000:ffff8801866cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  507.777839] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  507.785140] RDX: 0000000000000000 RSI: ffff8801ce554f00 RDI: 0000000000000286
[  507.792410] RBP: ffff8801866cf7b0 R08: ffff8801ce554680 R09: 0000000000000000
[  507.799678] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  507.806954] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  507.814269]  skb_clone+0x1bb/0x500
[  507.817826]  ? finish_task_switch+0x2f5/0x900
[  507.822428]  ? skb_split+0x11e0/0x11e0
[  507.826330]  ? preempt_notifier_register+0x200/0x200
[  507.831470]  ? __switch_to_asm+0x34/0x70
[  507.835533]  ? __switch_to_asm+0x34/0x70
[  507.839597]  ? __switch_to_asm+0x40/0x70
[  507.843662]  ? __switch_to_asm+0x34/0x70
[  507.847741]  ? __switch_to_asm+0x40/0x70
[  507.851801]  ? __switch_to_asm+0x34/0x70
[  507.855890]  ? __switch_to_asm+0x40/0x70
[  507.859952]  ? __switch_to_asm+0x34/0x70
[  507.864021]  ? __switch_to_asm+0x34/0x70
[  507.868101]  ? __switch_to_asm+0x40/0x70
[  507.872168]  ? __switch_to_asm+0x34/0x70
[  507.876250]  bpf_clone_redirect+0xb9/0x490
[  507.880663]  ? __schedule+0x874/0x1ed0
[  507.884571]  bpf_prog_3d1649e183dc2cc1+0x379/0x1000
[  507.889591]  ? __sched_text_start+0x8/0x8
[  507.893758]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  507.898548]  ? find_held_lock+0x36/0x1c0
[  507.902620]  ? lock_acquire+0x1ed/0x520
[  507.906598]  ? bpf_test_run+0x32e/0x5a0
[  507.910576]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  507.916131]  ? check_preemption_disabled+0x48/0x200
[  507.921157]  ? kasan_check_read+0x11/0x20
[  507.925308]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  507.930591]  ? rcu_bh_qs+0xc0/0xc0
[  507.934150]  ? preempt_schedule+0x4d/0x60
[  507.938298]  ? ___preempt_schedule+0x16/0x18
[  507.942721]  ? bpf_test_run+0x1c0/0x5a0
[  507.946709]  ? netlink_diag_dump+0x2a0/0x2a0
[  507.951133]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  507.956684]  ? bpf_test_init.isra.9+0x70/0x100
[  507.961277]  ? bpf_prog_test_run_skb+0x634/0xb40
[  507.966060]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  507.970901]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  507.976438]  ? fput+0x130/0x1a0
[  507.979725]  ? __bpf_prog_get+0x9b/0x290
[  507.983794]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  507.988639]  ? bpf_prog_test_run+0x130/0x1a0
[  507.993057]  ? __x64_sys_bpf+0x3d8/0x510
[  507.997128]  ? bpf_prog_get+0x20/0x20
[  508.000957]  ? do_syscall_64+0x1b9/0x820
[  508.005023]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  508.010394]  ? syscall_return_slowpath+0x5e0/0x5e0
[  508.015338]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  508.020223]  ? trace_hardirqs_on_caller+0x310/0x310
[  508.025243]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  508.030262]  ? prepare_exit_to_usermode+0x291/0x3b0
[  508.035291]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  508.040152]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  508.045541] CPU: 0 PID: 11399 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  508.045614] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  508.052901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  508.052906] Call Trace:
[  508.052913]  <IRQ>
[  508.052932]  dump_stack+0x1c4/0x2b4
[  508.052952]  ? dump_stack_print_info.cold.2+0x52/0x52
[  508.059530] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  508.068799]  warn_alloc.cold.119+0xb7/0x1bd
[  508.071350] syz-executor4 cpuset=
[  508.073506]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  508.077111] syz4
[  508.082297]  ? lock_downgrade+0x900/0x900
[  508.092760]  mems_allowed=0
[  508.097109]  ? trace_hardirqs_off+0xb8/0x310
[  508.118831]  ? trace_hardirqs_off+0xb8/0x310
[  508.123264]  __alloc_pages_slowpath+0x2667/0x2d80
[  508.128180]  ? warn_alloc+0x120/0x120
[  508.132018]  ? warn_alloc+0x120/0x120
[  508.135824]  ? print_usage_bug+0xc0/0xc0
[  508.139894]  ? warn_alloc+0x120/0x120
[  508.143697]  ? print_usage_bug+0xc0/0xc0
[  508.147762]  ? __lock_acquire+0x7ec/0x4ec0
[  508.151997]  ? __lock_acquire+0x7ec/0x4ec0
[  508.156248]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  508.161791]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  508.167372]  ? should_fail+0x22d/0xd01
[  508.171272]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  508.176383]  ? __lock_acquire+0x7ec/0x4ec0
[  508.180634]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  508.185741]  ? __lock_acquire+0x7ec/0x4ec0
[  508.189974]  ? should_fail+0x22d/0xd01
[  508.193877]  ? mark_held_locks+0x130/0x130
[  508.198122]  ? mark_held_locks+0x130/0x130
[  508.202371]  ? graph_lock+0x170/0x170
[  508.206175]  ? print_usage_bug+0xc0/0xc0
[  508.210236]  ? graph_lock+0x170/0x170
[  508.214039]  ? print_usage_bug+0xc0/0xc0
[  508.218101]  ? wq_watchdog_touch+0x9c/0xfe
[  508.222374]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  508.227941]  ? check_preemption_disabled+0x48/0x200
[  508.232958]  ? check_preemption_disabled+0x48/0x200
[  508.237985]  ? __lock_is_held+0xb5/0x140
[  508.242059]  __alloc_pages_nodemask+0xa80/0xde0
[  508.246729]  ? graph_lock+0x170/0x170
[  508.250535]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  508.255549]  ? graph_lock+0x170/0x170
[  508.259389]  ? find_held_lock+0x36/0x1c0
[  508.263464]  ? ____cache_alloc_node+0x1c7/0x1e0
[  508.268140]  ? lock_downgrade+0x900/0x900
[  508.272297]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  508.277842]  cache_grow_begin+0x91/0x8c0
[  508.281904]  ? do_raw_spin_unlock+0xa7/0x2f0
[  508.286322]  fallback_alloc+0x203/0x2e0
[  508.290306]  ____cache_alloc_node+0x1c7/0x1e0
[  508.294811]  kmem_cache_alloc_node+0xe3/0x730
[  508.299314]  ? ipv6_get_ifaddr+0x42e/0x620
[  508.303602]  __alloc_skb+0x119/0x770
[  508.307329]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  508.312619]  ? skb_scrub_packet+0x490/0x490
[  508.316952]  ? lock_downgrade+0x900/0x900
[  508.321111]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  508.326654]  ? refcount_sub_and_test_checked+0x203/0x310
[  508.332113]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  508.337569]  ? addrconf_rs_timer+0x6f0/0x6f0
[  508.342006]  ndisc_alloc_skb+0x144/0x340
[  508.346080]  ndisc_send_rs+0x331/0x6e0
[  508.349975]  addrconf_rs_timer+0x3c0/0x6f0
[  508.354218]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  508.358473]  call_timer_fn+0x272/0x920
[  508.362373]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  508.367093]  ? process_timeout+0x40/0x40
[  508.371158]  ? find_held_lock+0x36/0x1c0
[  508.375262]  ? __run_timers+0x7da/0xc70
[  508.379242]  ? _raw_spin_unlock_irq+0x27/0x80
[  508.383743]  ? _raw_spin_unlock_irq+0x27/0x80
[  508.388237]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  508.392475]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  508.397066]  ? trace_hardirqs_on+0xbd/0x310
[  508.401394]  ? kasan_check_read+0x11/0x20
[  508.405545]  ? __run_timers+0x7da/0xc70
[  508.409521]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  508.414981]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  508.419225]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  508.423462]  __run_timers+0x7e5/0xc70
[  508.427276]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  508.432662]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  508.437679]  ? graph_lock+0x170/0x170
[  508.441485]  ? enqueue_hrtimer+0x1a5/0x560
[  508.445720]  ? lock_release+0x970/0x970
[  508.449696]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  508.454899]  ? find_held_lock+0x36/0x1c0
[  508.458972]  ? graph_lock+0x170/0x170
[  508.462777]  ? pvclock_read_flags+0x160/0x160
[  508.467292]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  508.472831]  ? check_preemption_disabled+0x48/0x200
[  508.477862]  ? __lock_is_held+0xb5/0x140
[  508.481926]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  508.487479]  ? check_preemption_disabled+0x48/0x200
[  508.492539]  run_timer_softirq+0x52/0xb0
[  508.496601]  ? rcu_read_lock_sched_held+0x108/0x120
[  508.501850]  __do_softirq+0x30b/0xad8
[  508.505671]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  508.510802]  ? pvclock_read_flags+0x160/0x160
[  508.515299]  ? lapic_next_event+0x5a/0x90
[  508.519658]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  508.525197]  ? check_preemption_disabled+0x48/0x200
[  508.530207]  ? check_preemption_disabled+0x48/0x200
[  508.535227]  ? kvm_clock_read+0x18/0x30
[  508.539200]  ? kvm_sched_clock_read+0x9/0x20
[  508.543615]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  508.549164]  ? check_preemption_disabled+0x48/0x200
[  508.554199]  irq_exit+0x17f/0x1c0
[  508.557661]  smp_apic_timer_interrupt+0x1cb/0x760
[  508.562505]  ? smp_reschedule_interrupt+0x109/0x650
[  508.567528]  ? smp_call_function_single_interrupt+0x650/0x650
[  508.573416]  ? interrupt_entry+0xb5/0xf0
[  508.577484]  ? trace_hardirqs_off_caller+0xbb/0x310
[  508.582500]  ? trace_hardirqs_off_caller+0xbb/0x310
[  508.587522]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  508.592377]  ? trace_hardirqs_on_caller+0x310/0x310
[  508.597405]  ? trace_hardirqs_on_caller+0x310/0x310
[  508.602430]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  508.607971]  ? check_preemption_disabled+0x48/0x200
[  508.612992]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  508.618538]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  508.623398]  apic_timer_interrupt+0xf/0x20
[  508.627634]  </IRQ>
[  508.629879] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  508.634812] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  508.653714] RSP: 0000:ffff8801ba62f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  508.661423] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  508.668691] RDX: 0000000000000000 RSI: ffff8801b881aa80 RDI: 0000000000000286
[  508.675958] RBP: ffff8801ba62f7b0 R08: ffff8801b881a200 R09: 0000000000000000
[  508.683226] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  508.690509] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  508.697820]  skb_clone+0x1bb/0x500
[  508.701374]  ? finish_task_switch+0x1b5/0x900
[  508.705876]  ? skb_split+0x11e0/0x11e0
[  508.709767]  ? preempt_notifier_register+0x200/0x200
[  508.714870]  ? __switch_to_asm+0x34/0x70
[  508.718936]  ? __switch_to_asm+0x34/0x70
[  508.722996]  ? __switch_to_asm+0x40/0x70
[  508.727076]  ? __switch_to_asm+0x34/0x70
[  508.731137]  ? __switch_to_asm+0x40/0x70
[  508.735197]  ? __switch_to_asm+0x34/0x70
[  508.739278]  ? __switch_to_asm+0x40/0x70
[  508.743346]  ? __switch_to_asm+0x34/0x70
[  508.747435]  ? __switch_to_asm+0x34/0x70
[  508.751496]  ? __switch_to_asm+0x40/0x70
[  508.755571]  ? __switch_to_asm+0x34/0x70
[  508.759649]  bpf_clone_redirect+0xb9/0x490
[  508.763887]  ? __schedule+0x874/0x1ed0
[  508.767784]  bpf_prog_3d1649e183dc2cc1+0xcce/0x1000
[  508.772809]  ? __sched_text_start+0x8/0x8
[  508.776987]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  508.781759]  ? find_held_lock+0x36/0x1c0
[  508.785834]  ? lock_acquire+0x1ed/0x520
[  508.789812]  ? bpf_test_run+0x32e/0x5a0
[  508.793790]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  508.799330]  ? check_preemption_disabled+0x48/0x200
[  508.804358]  ? kasan_check_read+0x11/0x20
[  508.808529]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  508.813816]  ? rcu_bh_qs+0xc0/0xc0
[  508.817360]  ? preempt_schedule+0x4d/0x60
[  508.821524]  ? ___preempt_schedule+0x16/0x18
[  508.825949]  ? bpf_test_run+0x1c0/0x5a0
[  508.829943]  ? netlink_diag_dump+0x2a0/0x2a0
[  508.834383]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  508.839931]  ? bpf_test_init.isra.9+0x70/0x100
[  508.844523]  ? bpf_prog_test_run_skb+0x634/0xb40
[  508.849292]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  508.854135]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  508.859678]  ? fput+0x130/0x1a0
[  508.862960]  ? __bpf_prog_get+0x9b/0x290
[  508.867026]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  508.871882]  ? bpf_prog_test_run+0x130/0x1a0
[  508.876305]  ? __x64_sys_bpf+0x3d8/0x510
[  508.880376]  ? bpf_prog_get+0x20/0x20
[  508.884249]  ? do_syscall_64+0x1b9/0x820
[  508.888315]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  508.893681]  ? syscall_return_slowpath+0x5e0/0x5e0
[  508.898613]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  508.903464]  ? trace_hardirqs_on_caller+0x310/0x310
[  508.908485]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  508.913509]  ? prepare_exit_to_usermode+0x291/0x3b0
[  508.918536]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  508.923396]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  508.928781] warn_alloc_show_mem: 1 callbacks suppressed
[  508.928793] CPU: 1 PID: 11390 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  508.928795] Mem-Info:
[  508.928827] active_anon:122480 inactive_anon:112 isolated_anon:0
[  508.928827]  active_file:16 inactive_file:5 isolated_file:0
[  508.928827]  unevictable:0 dirty:0 writeback:0 unstable:0
[  508.928827]  slab_reclaimable:9164 slab_unreclaimable:1399977
[  508.928827]  mapped:40962 shmem:118 pagetables:796 bounce:0
[  508.928827]  free:13728 free_pcp:0 free_cma:0
[  508.934171] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  508.941537] Node 0 active_anon:489920kB inactive_anon:448kB active_file:64kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:472kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 471040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  508.943934] Call Trace:
[  508.976632] Node 0 
[  508.985977]  <IRQ>
[  509.013487] 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
[  509.016050]  dump_stack+0x1c4/0x2b4
[  509.018248] lowmem_reserve[]: 0
[  509.020409]  ? dump_stack_print_info.cold.2+0x52/0x52
[  509.045886]  2813
[  509.049520]  warn_alloc.cold.119+0xb7/0x1bd
[  509.052766]  6317
[  509.057951]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  509.059986]  6317
[  509.064307]  ? lock_downgrade+0x900/0x900
[  509.071194]  ? trace_hardirqs_off+0xb8/0x310
[  509.073229] Node 0 
[  509.077381]  ? trace_hardirqs_off+0xb8/0x310
[  509.081789] DMA32 free:25276kB min:30028kB low:37532kB high:45036kB active_anon:12288kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2884608kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  509.084005]  __alloc_pages_slowpath+0x2667/0x2d80
[  509.088392] lowmem_reserve[]:
[  509.115307]  ? warn_alloc+0x120/0x120
[  509.120091]  0 0
[  509.123211]  ? trace_hardirqs_on+0x310/0x310
[  509.126979]  3503 3503
[  509.128964]  ? warn_alloc+0x120/0x120
[  509.135846]  ? print_usage_bug+0xc0/0xc0
[  509.139621] Node 0 
[  509.143675]  ? warn_alloc+0x120/0x120
[  509.143712] Normal free:13728kB min:37384kB low:46728kB high:56072kB active_anon:477632kB inactive_anon:448kB active_file:64kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3587276kB mlocked:0kB kernel_stack:5408kB pagetables:3184kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  509.143719] lowmem_reserve[]:
[  509.145957]  ? ktime_get+0x2e1/0x440
[  509.149727]  0 0
[  509.178401]  ? print_usage_bug+0xc0/0xc0
[  509.181489]  0
[  509.185202]  ? __lock_acquire+0x7ec/0x4ec0
[  509.187155]  0
[  509.191211]  ? __lock_acquire+0x7ec/0x4ec0
[  509.192994] Node 0 
[  509.197224]  ? kasan_check_read+0x11/0x20
[  509.198995] DMA: 1*4kB 
[  509.203238]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  509.205447] (U) 
[  509.209597]  ? should_fail+0x22d/0xd01
[  509.212154] 0*8kB 
[  509.217686]  ? rcu_bh_qs+0xc0/0xc0
[  509.219642] 0*16kB 
[  509.223527]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  509.225655] 1*32kB 
[  509.229193]  ? __lock_acquire+0x7ec/0x4ec0
[  509.231404] (U) 
[  509.236502]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  509.238713] 2*64kB 
[  509.242939]  ? __lock_acquire+0x7ec/0x4ec0
[  509.244890] (U) 
[  509.249987]  ? should_fail+0x22d/0xd01
[  509.252203] 1*128kB 
[  509.256431]  ? rcu_idle_enter+0x4b0/0x4b0
[  509.258392] (U) 
[  509.262285]  ? mark_held_locks+0x130/0x130
[  509.264583] 1*256kB 
[  509.268727]  ? mark_held_locks+0x130/0x130
[  509.270676] (U) 
[  509.274905]  ? mark_held_locks+0xc7/0x130
[  509.277204] 0*512kB 
[  509.281448]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  509.283403] 1*1024kB 
[  509.287541]  ? graph_lock+0x170/0x170
[  509.289839] (U) 
[  509.294852]  ? print_usage_bug+0xc0/0xc0
[  509.297236] 1*2048kB (M) 
[  509.301050]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  509.303001] 3*4096kB (M) 
[  509.307074]  ? check_preemption_disabled+0x48/0x200
[  509.309812] = 15908kB
[  509.315341]  ? check_preemption_disabled+0x48/0x200
[  509.318075] Node 0 
[  509.323096]  ? __lock_is_held+0xb5/0x140
[  509.325474] DMA32: 
[  509.330489]  __alloc_pages_nodemask+0xa80/0xde0
[  509.332697] 5*4kB 
[  509.336752]  ? graph_lock+0x170/0x170
[  509.338965] (UM) 
[  509.343629]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  509.345764] 1*8kB 
[  509.349555]  ? graph_lock+0x170/0x170
[  509.351594] (U) 
[  509.356610]  ? find_held_lock+0x36/0x1c0
[  509.358728] 4*16kB 
[  509.362532]  ? ____cache_alloc_node+0x1c7/0x1e0
[  509.364476] (UM) 
[  509.368532]  ? lock_downgrade+0x900/0x900
[  509.370752] 3*32kB 
[  509.375422]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  509.377461] (UM) 
[  509.381605]  cache_grow_begin+0x91/0x8c0
[  509.383815] 4*64kB 
[  509.389347]  ? do_raw_spin_unlock+0xa7/0x2f0
[  509.391390] (M) 
[  509.395450]  fallback_alloc+0x203/0x2e0
[  509.397659] 4*128kB 
[  509.402081]  ____cache_alloc_node+0x1c7/0x1e0
[  509.404044] (UM) 
[  509.408015]  kmem_cache_alloc_node+0xe3/0x730
[  509.410317] 3*256kB 
[  509.414804]  ? ipv6_get_ifaddr+0x42e/0x620
[  509.416845] (M) 
[  509.421346]  __alloc_skb+0x119/0x770
[  509.423644] 4*512kB 
[  509.427878]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  509.429831] (UM) 
[  509.433546]  ? skb_scrub_packet+0x490/0x490
[  509.435845] 3*1024kB 
[  509.441119]  ? lock_downgrade+0x900/0x900
[  509.443158] (UM) 
[  509.447481]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  509.449862] 3*2048kB 
[  509.454010]  ? refcount_sub_and_test_checked+0x203/0x310
[  509.456044] (UM) 
[  509.461577]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  509.463967] 3*4096kB 
[  509.469413]  ? addrconf_rs_timer+0x6f0/0x6f0
[  509.471450] (M) 
[  509.476902]  ndisc_alloc_skb+0x144/0x340
[  509.479285] = 25276kB
[  509.483686]  ndisc_send_rs+0x331/0x6e0
[  509.485640] Node 0 
[  509.489700]  addrconf_rs_timer+0x3c0/0x6f0
[  509.492077] Normal: 1058*4kB 
[  509.495967]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  509.498178] (UMEH) 
[  509.502420]  call_timer_fn+0x272/0x920
[  509.505490] 417*8kB 
[  509.509722]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  509.511934] (UMEH) 
[  509.515818]  ? process_timeout+0x40/0x40
[  509.518152] 179*16kB 
[  509.522385]  ? find_held_lock+0x36/0x1c0
[  509.524596] (UME) 
[  509.528656]  ? __run_timers+0x7da/0xc70
[  509.531039] 63*32kB 
[  509.535107]  ? _raw_spin_unlock_irq+0x27/0x80
[  509.537246] (UMEH) 
[  509.541229]  ? _raw_spin_unlock_irq+0x27/0x80
[  509.543532] 21*64kB 
[  509.548025]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  509.550251] (UMH) 
[  509.554755]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  509.557049] 2*128kB (MH) 
[  509.561289]  ? trace_hardirqs_on+0xbd/0x310
[  509.563411] 0*256kB 
[  509.567978]  ? kasan_check_read+0x11/0x20
[  509.567996]  ? __run_timers+0x7da/0xc70
[  509.570735] 0*512kB 
[  509.575056]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  509.577358] 0*1024kB 
[  509.581511]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  509.585473] 0*2048kB 
[  509.587810]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  509.593239] 0*4096kB 
[  509.595645]  __run_timers+0x7e5/0xc70
[  509.595673]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  509.599875] = 14048kB
[  509.602313]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  509.606545] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  509.608947]  ? graph_lock+0x170/0x170
[  509.612733] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  509.618087]  ? enqueue_hrtimer+0x1a5/0x560
[  509.620475] 164 total pagecache pages
[  509.625485]  ? lock_release+0x970/0x970
[  509.634304] 0 pages in swap cache
[  509.638098]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  509.646648] Swap cache stats: add 0, delete 0, find 0/0
[  509.646657] Free swap  = 0kB
[  509.650890]  ? find_held_lock+0x36/0x1c0
[  509.654670] Total swap = 0kB
[  509.658644]  ? graph_lock+0x170/0x170
[  509.662074] 1965979 pages RAM
[  509.667257]  ? pvclock_read_flags+0x160/0x160
[  509.672601] 0 pages HighMem/MovableOnly
[  509.675617]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  509.679650] 344031 pages reserved
[  509.679673] 0 pages cma reserved
[  509.682731]  ? check_preemption_disabled+0x48/0x200
[  509.686638] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  509.689634]  ? __lock_is_held+0xb5/0x140
[  509.689650]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  509.689666]  ? check_preemption_disabled+0x48/0x200
[  509.694218] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  509.698139]  run_timer_softirq+0x52/0xb0
[  509.703647] syz-executor4 cpuset=
[  509.707095]  ? rcu_read_lock_sched_held+0x108/0x120
[  509.710438] syz4
[  509.715447]  __do_softirq+0x30b/0xad8
[  509.721915]  mems_allowed=0
[  509.725975]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  509.773253]  ? pvclock_read_flags+0x160/0x160
[  509.777755]  ? lapic_next_event+0x5a/0x90
[  509.781909]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  509.787452]  ? check_preemption_disabled+0x48/0x200
[  509.792474]  ? check_preemption_disabled+0x48/0x200
[  509.797499]  ? kvm_clock_read+0x18/0x30
[  509.801492]  ? kvm_sched_clock_read+0x9/0x20
[  509.805907]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  509.811449]  ? check_preemption_disabled+0x48/0x200
[  509.816479]  irq_exit+0x17f/0x1c0
[  509.819942]  smp_apic_timer_interrupt+0x1cb/0x760
[  509.824784]  ? smp_reschedule_interrupt+0x109/0x650
[  509.829807]  ? smp_call_function_single_interrupt+0x650/0x650
[  509.835700]  ? interrupt_entry+0xb5/0xf0
[  509.839769]  ? trace_hardirqs_off_caller+0xbb/0x310
[  509.844802]  ? trace_hardirqs_off_caller+0xbb/0x310
[  509.849837]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  509.854701]  ? trace_hardirqs_on_caller+0x310/0x310
[  509.859716]  ? trace_hardirqs_on_caller+0x310/0x310
[  509.864737]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  509.870279]  ? check_preemption_disabled+0x48/0x200
[  509.875300]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  509.880852]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  509.885706]  apic_timer_interrupt+0xf/0x20
[  509.889936]  </IRQ>
[  509.892180] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  509.897115] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  509.916028] RSP: 0000:ffff8801866cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  509.923739] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  509.931006] RDX: 0000000000000000 RSI: ffff8801ce554f00 RDI: 0000000000000286
[  509.938275] RBP: ffff8801866cf7b0 R08: ffff8801ce554680 R09: 0000000000000000
[  509.945546] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  509.952834] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  509.960159]  skb_clone+0x1bb/0x500
[  509.963703]  ? finish_task_switch+0x2f5/0x900
[  509.968205]  ? skb_split+0x11e0/0x11e0
[  509.972123]  ? preempt_notifier_register+0x200/0x200
[  509.977253]  ? __switch_to_asm+0x34/0x70
[  509.981329]  ? __switch_to_asm+0x34/0x70
[  509.985403]  ? __switch_to_asm+0x40/0x70
[  509.989468]  ? __switch_to_asm+0x34/0x70
[  509.993531]  ? __switch_to_asm+0x40/0x70
[  509.997593]  ? __switch_to_asm+0x34/0x70
[  510.001655]  ? __switch_to_asm+0x40/0x70
[  510.005716]  ? __switch_to_asm+0x34/0x70
[  510.009782]  ? __switch_to_asm+0x34/0x70
[  510.013846]  ? __switch_to_asm+0x40/0x70
[  510.017913]  ? __switch_to_asm+0x34/0x70
[  510.021984]  bpf_clone_redirect+0xb9/0x490
[  510.026224]  ? __schedule+0x874/0x1ed0
[  510.030121]  bpf_prog_3d1649e183dc2cc1+0x379/0x1000
[  510.035151]  ? __sched_text_start+0x8/0x8
[  510.039337]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  510.044149]  ? find_held_lock+0x36/0x1c0
[  510.048234]  ? lock_acquire+0x1ed/0x520
[  510.052215]  ? bpf_test_run+0x32e/0x5a0
[  510.056194]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  510.061731]  ? check_preemption_disabled+0x48/0x200
[  510.066754]  ? kasan_check_read+0x11/0x20
[  510.070907]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  510.076189]  ? rcu_bh_qs+0xc0/0xc0
[  510.079732]  ? preempt_schedule+0x4d/0x60
[  510.083887]  ? ___preempt_schedule+0x16/0x18
[  510.088306]  ? bpf_test_run+0x1c0/0x5a0
[  510.092296]  ? netlink_diag_dump+0x2a0/0x2a0
[  510.096709]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  510.102248]  ? bpf_test_init.isra.9+0x70/0x100
[  510.106838]  ? bpf_prog_test_run_skb+0x634/0xb40
[  510.111606]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  510.116454]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  510.121992]  ? fput+0x130/0x1a0
[  510.125275]  ? __bpf_prog_get+0x9b/0x290
[  510.129345]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  510.134201]  ? bpf_prog_test_run+0x130/0x1a0
[  510.138615]  ? __x64_sys_bpf+0x3d8/0x510
[  510.142678]  ? bpf_prog_get+0x20/0x20
[  510.146507]  ? do_syscall_64+0x1b9/0x820
[  510.150574]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  510.155948]  ? syscall_return_slowpath+0x5e0/0x5e0
[  510.160881]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  510.165732]  ? trace_hardirqs_on_caller+0x310/0x310
[  510.170753]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  510.175774]  ? prepare_exit_to_usermode+0x291/0x3b0
[  510.180801]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  510.185664]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  510.191055] CPU: 0 PID: 11399 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  510.191166] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  510.198417] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  510.198422] Call Trace:
[  510.198429]  <IRQ>
[  510.198447]  dump_stack+0x1c4/0x2b4
[  510.198465]  ? dump_stack_print_info.cold.2+0x52/0x52
[  510.198492]  warn_alloc.cold.119+0xb7/0x1bd
[  510.205016] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  510.214325]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  510.216884] syz-executor4 cpuset=
[  510.219030]  ? lock_downgrade+0x900/0x900
[  510.222637] syz4
[  510.227824]  ? trace_hardirqs_off+0xb8/0x310
[  510.232131]  mems_allowed=0
[  510.242604]  ? trace_hardirqs_off+0xb8/0x310
[  510.268704]  __alloc_pages_slowpath+0x2667/0x2d80
[  510.273584]  ? warn_alloc+0x120/0x120
[  510.277405]  ? warn_alloc+0x120/0x120
[  510.281213]  ? print_usage_bug+0xc0/0xc0
[  510.285278]  ? warn_alloc+0x120/0x120
[  510.289085]  ? print_usage_bug+0xc0/0xc0
[  510.293150]  ? __lock_acquire+0x7ec/0x4ec0
[  510.297392]  ? __lock_acquire+0x7ec/0x4ec0
[  510.301639]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  510.307177]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  510.312720]  ? should_fail+0x22d/0xd01
[  510.316616]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  510.321742]  ? __lock_acquire+0x7ec/0x4ec0
[  510.326004]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  510.331108]  ? __lock_acquire+0x7ec/0x4ec0
[  510.335348]  ? should_fail+0x22d/0xd01
[  510.339259]  ? mark_held_locks+0x130/0x130
[  510.343500]  ? mark_held_locks+0x130/0x130
[  510.347739]  ? graph_lock+0x170/0x170
[  510.351543]  ? print_usage_bug+0xc0/0xc0
[  510.355619]  ? graph_lock+0x170/0x170
[  510.359432]  ? print_usage_bug+0xc0/0xc0
[  510.363494]  ? wq_watchdog_touch+0x9c/0xfe
[  510.368229]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  510.373786]  ? check_preemption_disabled+0x48/0x200
[  510.378799]  ? check_preemption_disabled+0x48/0x200
[  510.383830]  ? __lock_is_held+0xb5/0x140
[  510.387903]  __alloc_pages_nodemask+0xa80/0xde0
[  510.392576]  ? graph_lock+0x170/0x170
[  510.396407]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  510.401440]  ? graph_lock+0x170/0x170
[  510.405260]  ? find_held_lock+0x36/0x1c0
[  510.409334]  ? ____cache_alloc_node+0x1c7/0x1e0
[  510.414012]  ? lock_downgrade+0x900/0x900
[  510.418175]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  510.423723]  cache_grow_begin+0x91/0x8c0
[  510.427794]  ? do_raw_spin_unlock+0xa7/0x2f0
[  510.432214]  fallback_alloc+0x203/0x2e0
[  510.436197]  ____cache_alloc_node+0x1c7/0x1e0
[  510.440704]  kmem_cache_alloc_node+0xe3/0x730
[  510.445202]  ? ipv6_get_ifaddr+0x42e/0x620
[  510.449449]  __alloc_skb+0x119/0x770
[  510.453173]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  510.458472]  ? skb_scrub_packet+0x490/0x490
[  510.462791]  ? lock_downgrade+0x900/0x900
[  510.466946]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  510.472488]  ? refcount_sub_and_test_checked+0x203/0x310
[  510.477976]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  510.483430]  ? addrconf_rs_timer+0x6f0/0x6f0
[  510.487854]  ndisc_alloc_skb+0x144/0x340
[  510.491924]  ndisc_send_rs+0x331/0x6e0
[  510.495822]  addrconf_rs_timer+0x3c0/0x6f0
[  510.500260]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  510.505257]  call_timer_fn+0x272/0x920
[  510.509156]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  510.513405]  ? process_timeout+0x40/0x40
[  510.517496]  ? find_held_lock+0x36/0x1c0
[  510.521569]  ? __run_timers+0x7da/0xc70
[  510.525585]  ? _raw_spin_unlock_irq+0x27/0x80
[  510.530083]  ? _raw_spin_unlock_irq+0x27/0x80
[  510.534577]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  510.538836]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  510.543430]  ? trace_hardirqs_on+0xbd/0x310
[  510.547777]  ? kasan_check_read+0x11/0x20
[  510.551926]  ? __run_timers+0x7da/0xc70
[  510.555906]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  510.561362]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  510.565616]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  510.569862]  __run_timers+0x7e5/0xc70
[  510.573683]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  510.579054]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  510.584079]  ? graph_lock+0x170/0x170
[  510.587891]  ? enqueue_hrtimer+0x1a5/0x560
[  510.592155]  ? lock_release+0x970/0x970
[  510.596137]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  510.601336]  ? find_held_lock+0x36/0x1c0
[  510.605422]  ? graph_lock+0x170/0x170
[  510.609232]  ? pvclock_read_flags+0x160/0x160
[  510.613748]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  510.619283]  ? check_preemption_disabled+0x48/0x200
[  510.624324]  ? __lock_is_held+0xb5/0x140
[  510.628396]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  510.633935]  ? check_preemption_disabled+0x48/0x200
[  510.638961]  run_timer_softirq+0x52/0xb0
[  510.643025]  ? rcu_read_lock_sched_held+0x108/0x120
[  510.648045]  __do_softirq+0x30b/0xad8
[  510.651859]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  510.656970]  ? pvclock_read_flags+0x160/0x160
[  510.661471]  ? lapic_next_event+0x5a/0x90
[  510.665621]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  510.671170]  ? check_preemption_disabled+0x48/0x200
[  510.676189]  ? check_preemption_disabled+0x48/0x200
[  510.681211]  ? kvm_clock_read+0x18/0x30
[  510.685188]  ? kvm_sched_clock_read+0x9/0x20
[  510.689600]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  510.695145]  ? check_preemption_disabled+0x48/0x200
[  510.700180]  irq_exit+0x17f/0x1c0
[  510.703645]  smp_apic_timer_interrupt+0x1cb/0x760
[  510.708488]  ? smp_reschedule_interrupt+0x109/0x650
[  510.713508]  ? smp_call_function_single_interrupt+0x650/0x650
[  510.719405]  ? interrupt_entry+0xb5/0xf0
[  510.723474]  ? trace_hardirqs_off_caller+0xbb/0x310
[  510.728492]  ? trace_hardirqs_off_caller+0xbb/0x310
[  510.733517]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  510.738404]  ? trace_hardirqs_on_caller+0x310/0x310
[  510.743435]  ? trace_hardirqs_on_caller+0x310/0x310
[  510.748455]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  510.753994]  ? check_preemption_disabled+0x48/0x200
[  510.759010]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  510.764558]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  510.769414]  apic_timer_interrupt+0xf/0x20
[  510.773654]  </IRQ>
[  510.775898] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  510.780846] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  510.799757] RSP: 0000:ffff8801ba62f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  510.807470] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  510.814744] RDX: 0000000000000000 RSI: ffff8801b881aa80 RDI: 0000000000000286
[  510.822015] RBP: ffff8801ba62f7b0 R08: ffff8801b881a200 R09: 0000000000000000
[  510.829292] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  510.836566] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  510.843888]  skb_clone+0x1bb/0x500
[  510.847434]  ? finish_task_switch+0x1b5/0x900
[  510.851932]  ? skb_split+0x11e0/0x11e0
[  510.855823]  ? preempt_notifier_register+0x200/0x200
[  510.860928]  ? __switch_to_asm+0x34/0x70
[  510.864993]  ? __switch_to_asm+0x34/0x70
[  510.869059]  ? __switch_to_asm+0x40/0x70
[  510.873125]  ? __switch_to_asm+0x34/0x70
[  510.877190]  ? __switch_to_asm+0x40/0x70
[  510.881250]  ? __switch_to_asm+0x34/0x70
[  510.885317]  ? __switch_to_asm+0x40/0x70
[  510.889389]  ? __switch_to_asm+0x34/0x70
[  510.893453]  ? __switch_to_asm+0x34/0x70
[  510.897516]  ? __switch_to_asm+0x40/0x70
[  510.901580]  ? __switch_to_asm+0x34/0x70
[  510.905657]  bpf_clone_redirect+0xb9/0x490
[  510.909912]  ? __schedule+0x874/0x1ed0
[  510.913810]  bpf_prog_3d1649e183dc2cc1+0xcce/0x1000
[  510.918828]  ? __sched_text_start+0x8/0x8
[  510.922988]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  510.927755]  ? find_held_lock+0x36/0x1c0
[  510.931830]  ? lock_acquire+0x1ed/0x520
[  510.935806]  ? bpf_test_run+0x32e/0x5a0
[  510.939783]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  510.945320]  ? check_preemption_disabled+0x48/0x200
[  510.950341]  ? kasan_check_read+0x11/0x20
[  510.954501]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  510.959785]  ? rcu_bh_qs+0xc0/0xc0
[  510.963328]  ? preempt_schedule+0x4d/0x60
[  510.967477]  ? ___preempt_schedule+0x16/0x18
[  510.971898]  ? bpf_test_run+0x1c0/0x5a0
[  510.975884]  ? netlink_diag_dump+0x2a0/0x2a0
[  510.980297]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  510.985846]  ? bpf_test_init.isra.9+0x70/0x100
[  510.990439]  ? bpf_prog_test_run_skb+0x634/0xb40
[  510.995210]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  511.000059]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  511.005601]  ? fput+0x130/0x1a0
[  511.008891]  ? __bpf_prog_get+0x9b/0x290
[  511.012958]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  511.017805]  ? bpf_prog_test_run+0x130/0x1a0
[  511.022224]  ? __x64_sys_bpf+0x3d8/0x510
[  511.026285]  ? bpf_prog_get+0x20/0x20
[  511.030108]  ? do_syscall_64+0x1b9/0x820
[  511.034175]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  511.039546]  ? syscall_return_slowpath+0x5e0/0x5e0
[  511.044474]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  511.049323]  ? trace_hardirqs_on_caller+0x310/0x310
[  511.054342]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  511.059383]  ? prepare_exit_to_usermode+0x291/0x3b0
[  511.064414]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  511.069270]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  511.074658] warn_alloc_show_mem: 1 callbacks suppressed
[  511.074670] CPU: 1 PID: 11390 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  511.074672] Mem-Info:
[  511.074703] active_anon:122480 inactive_anon:112 isolated_anon:0
[  511.074703]  active_file:16 inactive_file:5 isolated_file:0
[  511.074703]  unevictable:0 dirty:0 writeback:0 unstable:0
[  511.074703]  slab_reclaimable:9164 slab_unreclaimable:1399977
[  511.074703]  mapped:40962 shmem:118 pagetables:796 bounce:0
[  511.074703]  free:13728 free_pcp:0 free_cma:0
[  511.080044] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  511.087417] Node 0 active_anon:489920kB inactive_anon:448kB active_file:64kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:472kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 471040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  511.089814] Call Trace:
[  511.122505] Node 0 
[  511.131850]  <IRQ>
[  511.159392] 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
[  511.161957]  dump_stack+0x1c4/0x2b4
[  511.164168] lowmem_reserve[]:
[  511.166317]  ? dump_stack_print_info.cold.2+0x52/0x52
[  511.191815]  0
[  511.195448]  warn_alloc.cold.119+0xb7/0x1bd
[  511.198517]  2813 6317
[  511.203717]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  511.205498]  6317
[  511.209816]  ? lock_downgrade+0x900/0x900
[  511.212291] Node 0 
[  511.217137]  ? trace_hardirqs_off+0xb8/0x310
[  511.219210] DMA32 free:25276kB min:30028kB low:37532kB high:45036kB active_anon:12288kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2884608kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  511.223332]  ? trace_hardirqs_off+0xb8/0x310
[  511.225537] lowmem_reserve[]: 0
[  511.229956]  __alloc_pages_slowpath+0x2667/0x2d80
[  511.256821]  0 3503
[  511.261278]  ? warn_alloc+0x120/0x120
[  511.264498]  3503
[  511.269346]  ? warn_alloc+0x120/0x120
[  511.271549] Node 0 
[  511.275344]  ? print_usage_bug+0xc0/0xc0
[  511.277413] Normal free:13728kB min:37384kB low:46728kB high:56072kB active_anon:477632kB inactive_anon:448kB active_file:64kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3587276kB mlocked:0kB kernel_stack:5408kB pagetables:3184kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  511.281185]  ? warn_alloc+0x120/0x120
[  511.283396] lowmem_reserve[]:
[  511.287455]  ? print_usage_bug+0xc0/0xc0
[  511.315443]  0 0
[  511.319253]  ? __lock_acquire+0x7ec/0x4ec0
[  511.322323]  0 0
[  511.326397]  ? __lock_acquire+0x7ec/0x4ec0
[  511.328381] Node 0 
[  511.332615]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  511.334577] DMA: 1*4kB 
[  511.338814]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  511.341057] (U) 
[  511.346622]  ? should_fail+0x22d/0xd01
[  511.349185] 0*8kB 
[  511.354715]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  511.356666] 0*16kB 
[  511.360547]  ? __lock_acquire+0x7ec/0x4ec0
[  511.362672] 1*32kB 
[  511.367879]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  511.370092] (U) 
[  511.374319]  ? __lock_acquire+0x7ec/0x4ec0
[  511.376532] 2*64kB 
[  511.381629]  ? should_fail+0x22d/0xd01
[  511.383588] (U) 
[  511.387823]  ? mark_held_locks+0x130/0x130
[  511.390026] 1*128kB (U) 
[  511.393928]  ? mark_held_locks+0x130/0x130
[  511.395897] 1*256kB 
[  511.400133]  ? graph_lock+0x170/0x170
[  511.402776] (U) 
[  511.407012]  ? print_usage_bug+0xc0/0xc0
[  511.409329] 0*512kB 
[  511.413124]  ? graph_lock+0x170/0x170
[  511.415078] 1*1024kB (U) 
[  511.419150]  ? print_usage_bug+0xc0/0xc0
[  511.421444] 1*2048kB (M) 
[  511.425247]  ? wq_watchdog_touch+0x9c/0xfe
[  511.427982] 3*4096kB (M) 
[  511.432048]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  511.434787] = 15908kB
[  511.439015]  ? check_preemption_disabled+0x48/0x200
[  511.441749] Node 0 
[  511.447284]  ? check_preemption_disabled+0x48/0x200
[  511.449672] DMA32: 
[  511.454685]  ? __lock_is_held+0xb5/0x140
[  511.456893] 5*4kB 
[  511.461906]  __alloc_pages_nodemask+0xa80/0xde0
[  511.464116] (UM) 
[  511.468172]  ? graph_lock+0x170/0x170
[  511.470295] 1*8kB (U) 
[  511.474969]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  511.477007] 4*16kB 
[  511.480802]  ? graph_lock+0x170/0x170
[  511.483273] (UM) 
[  511.488289]  ? find_held_lock+0x36/0x1c0
[  511.490495] 3*32kB 
[  511.494296]  ? ____cache_alloc_node+0x1c7/0x1e0
[  511.496329] (UM) 
[  511.500394]  ? lock_downgrade+0x900/0x900
[  511.502612] 4*64kB 
[  511.507280]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  511.509314] (M) 
[  511.513462]  cache_grow_begin+0x91/0x8c0
[  511.515677] 4*128kB 
[  511.521211]  ? do_raw_spin_unlock+0xa7/0x2f0
[  511.523163] (UM) 
[  511.527240]  fallback_alloc+0x203/0x2e0
[  511.529537] 3*256kB 
[  511.533945]  ____cache_alloc_node+0x1c7/0x1e0
[  511.535981] (M) 
[  511.539950]  kmem_cache_alloc_node+0xe3/0x730
[  511.542247] 4*512kB 
[  511.546735]  ? ipv6_get_ifaddr+0x42e/0x620
[  511.548686] (UM) 
[  511.553187]  __alloc_skb+0x119/0x770
[  511.555479] 3*1024kB 
[  511.559726]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  511.561765] (UM) 
[  511.565477]  ? skb_scrub_packet+0x490/0x490
[  511.567859] 3*2048kB (UM) 
[  511.573143]  ? lock_downgrade+0x900/0x900
[  511.575173] 3*4096kB (M) 
[  511.579506]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  511.582323] = 25276kB
[  511.586465]  ? refcount_sub_and_test_checked+0x203/0x310
[  511.589196] Node 0 
[  511.594735]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  511.597132] Normal: 1058*4kB 
[  511.602592]  ? addrconf_rs_timer+0x6f0/0x6f0
[  511.604802] (UMEH) 
[  511.610253]  ndisc_alloc_skb+0x144/0x340
[  511.613347] 417*8kB (UMEH) 
[  511.617785]  ndisc_send_rs+0x331/0x6e0
[  511.620000] 179*16kB 
[  511.624060]  addrconf_rs_timer+0x3c0/0x6f0
[  511.626959] (UME) 63*32kB 
[  511.630858]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  511.633243] (UMEH) 
[  511.637485]  call_timer_fn+0x272/0x920
[  511.640286] 21*64kB (UMH) 
[  511.644526]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  511.646739] 2*128kB 
[  511.650625]  ? process_timeout+0x40/0x40
[  511.653448] (MH) 
[  511.657678]  ? find_held_lock+0x36/0x1c0
[  511.659968] 0*256kB 0*512kB 
[  511.664041]  ? __run_timers+0x7da/0xc70
[  511.666076] 0*1024kB 
[  511.670140]  ? _raw_spin_unlock_irq+0x27/0x80
[  511.673125] 0*2048kB 
[  511.677100]  ? _raw_spin_unlock_irq+0x27/0x80
[  511.679486] 0*4096kB 
[  511.683975]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  511.686359] = 14048kB
[  511.690859]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  511.693272] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  511.697498]  ? trace_hardirqs_on+0xbd/0x310
[  511.699891] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  511.704459]  ? kasan_check_read+0x11/0x20
[  511.713274] 164 total pagecache pages
[  511.717596]  ? __run_timers+0x7da/0xc70
[  511.726151] 0 pages in swap cache
[  511.730294]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  511.734070] Swap cache stats: add 0, delete 0, find 0/0
[  511.738038]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  511.741470] Free swap  = 0kB
[  511.746912]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  511.752248] Total swap = 0kB
[  511.756477]  __run_timers+0x7e5/0xc70
[  511.759480] 1965979 pages RAM
[  511.763726]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  511.766702] 0 pages HighMem/MovableOnly
[  511.766711] 344031 pages reserved
[  511.770508]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  511.773595] 0 pages cma reserved
[  511.773681] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  511.778957]  ? graph_lock+0x170/0x170
[  511.778976]  ? enqueue_hrtimer+0x1a5/0x560
[  511.778992]  ? lock_release+0x970/0x970
[  511.783006] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  511.786410]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  511.791402] syz-executor4 cpuset=
[  511.794764]  ? find_held_lock+0x36/0x1c0
[  511.801227] syz4
[  511.805028]  ? graph_lock+0x170/0x170
[  511.809239]  mems_allowed=0
[  511.813206]  ? pvclock_read_flags+0x160/0x160
[  511.849494]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  511.855034]  ? check_preemption_disabled+0x48/0x200
[  511.860097]  ? __lock_is_held+0xb5/0x140
[  511.864171]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  511.869710]  ? check_preemption_disabled+0x48/0x200
[  511.874738]  run_timer_softirq+0x52/0xb0
[  511.878805]  ? rcu_read_lock_sched_held+0x108/0x120
[  511.883827]  __do_softirq+0x30b/0xad8
[  511.887645]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  511.892755]  ? pvclock_read_flags+0x160/0x160
[  511.897254]  ? lapic_next_event+0x5a/0x90
[  511.901410]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  511.906950]  ? check_preemption_disabled+0x48/0x200
[  511.911964]  ? check_preemption_disabled+0x48/0x200
[  511.916992]  ? kvm_clock_read+0x18/0x30
[  511.920967]  ? kvm_sched_clock_read+0x9/0x20
[  511.925387]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  511.930928]  ? check_preemption_disabled+0x48/0x200
[  511.935967]  irq_exit+0x17f/0x1c0
[  511.939427]  smp_apic_timer_interrupt+0x1cb/0x760
[  511.944271]  ? smp_reschedule_interrupt+0x109/0x650
[  511.949292]  ? smp_call_function_single_interrupt+0x650/0x650
[  511.955179]  ? interrupt_entry+0xb5/0xf0
[  511.959248]  ? trace_hardirqs_off_caller+0xbb/0x310
[  511.964265]  ? trace_hardirqs_off_caller+0xbb/0x310
[  511.969284]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  511.974163]  ? trace_hardirqs_on_caller+0x310/0x310
[  511.979182]  ? trace_hardirqs_on_caller+0x310/0x310
[  511.984205]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  511.989745]  ? check_preemption_disabled+0x48/0x200
[  511.994762]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  512.000310]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  512.005174]  apic_timer_interrupt+0xf/0x20
[  512.009407]  </IRQ>
[  512.011652] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  512.016586] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  512.035491] RSP: 0000:ffff8801866cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  512.043206] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  512.050474] RDX: 0000000000000000 RSI: ffff8801ce554f00 RDI: 0000000000000286
[  512.057744] RBP: ffff8801866cf7b0 R08: ffff8801ce554680 R09: 0000000000000000
[  512.065014] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  512.072287] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  512.079606]  skb_clone+0x1bb/0x500
[  512.083154]  ? finish_task_switch+0x2f5/0x900
[  512.087664]  ? skb_split+0x11e0/0x11e0
[  512.091563]  ? preempt_notifier_register+0x200/0x200
[  512.096672]  ? __switch_to_asm+0x34/0x70
[  512.100748]  ? __switch_to_asm+0x34/0x70
[  512.104811]  ? __switch_to_asm+0x40/0x70
[  512.108873]  ? __switch_to_asm+0x34/0x70
[  512.112937]  ? __switch_to_asm+0x40/0x70
[  512.116999]  ? __switch_to_asm+0x34/0x70
[  512.121060]  ? __switch_to_asm+0x40/0x70
[  512.125121]  ? __switch_to_asm+0x34/0x70
[  512.129192]  ? __switch_to_asm+0x34/0x70
[  512.133253]  ? __switch_to_asm+0x40/0x70
[  512.137314]  ? __switch_to_asm+0x34/0x70
[  512.141394]  bpf_clone_redirect+0xb9/0x490
[  512.145649]  ? __schedule+0x874/0x1ed0
[  512.149560]  bpf_prog_3d1649e183dc2cc1+0x379/0x1000
[  512.154580]  ? __sched_text_start+0x8/0x8
[  512.158736]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  512.163504]  ? find_held_lock+0x36/0x1c0
[  512.167575]  ? lock_acquire+0x1ed/0x520
[  512.171553]  ? bpf_test_run+0x32e/0x5a0
[  512.175531]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  512.181069]  ? check_preemption_disabled+0x48/0x200
[  512.186094]  ? kasan_check_read+0x11/0x20
[  512.190257]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  512.195537]  ? rcu_bh_qs+0xc0/0xc0
[  512.199082]  ? preempt_schedule+0x4d/0x60
[  512.203237]  ? ___preempt_schedule+0x16/0x18
[  512.207659]  ? bpf_test_run+0x1c0/0x5a0
[  512.211686]  ? netlink_diag_dump+0x2a0/0x2a0
[  512.216118]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  512.221664]  ? bpf_test_init.isra.9+0x70/0x100
[  512.226262]  ? bpf_prog_test_run_skb+0x634/0xb40
[  512.231034]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  512.235879]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  512.241417]  ? fput+0x130/0x1a0
[  512.244704]  ? __bpf_prog_get+0x9b/0x290
[  512.248772]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  512.253616]  ? bpf_prog_test_run+0x130/0x1a0
[  512.258036]  ? __x64_sys_bpf+0x3d8/0x510
[  512.262101]  ? bpf_prog_get+0x20/0x20
[  512.265934]  ? do_syscall_64+0x1b9/0x820
[  512.270004]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  512.275385]  ? syscall_return_slowpath+0x5e0/0x5e0
[  512.280322]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  512.285171]  ? trace_hardirqs_on_caller+0x310/0x310
[  512.290190]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  512.295210]  ? prepare_exit_to_usermode+0x291/0x3b0
[  512.300236]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  512.305096]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  512.310487] CPU: 0 PID: 11399 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  512.310561] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  512.317854] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  512.317860] Call Trace:
[  512.317867]  <IRQ>
[  512.317885]  dump_stack+0x1c4/0x2b4
[  512.317906]  ? dump_stack_print_info.cold.2+0x52/0x52
[  512.324444] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  512.333750]  warn_alloc.cold.119+0xb7/0x1bd
[  512.336304] syz-executor4 cpuset=
[  512.338449]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  512.342053] syz4
[  512.347241]  ? lock_downgrade+0x900/0x900
[  512.357702]  mems_allowed=0
[  512.362032]  ? trace_hardirqs_off+0xb8/0x310
[  512.383989]  ? trace_hardirqs_off+0xb8/0x310
[  512.388412]  __alloc_pages_slowpath+0x2667/0x2d80
[  512.393288]  ? warn_alloc+0x120/0x120
[  512.397096]  ? warn_alloc+0x120/0x120
[  512.400901]  ? print_usage_bug+0xc0/0xc0
[  512.404964]  ? warn_alloc+0x120/0x120
[  512.408769]  ? print_usage_bug+0xc0/0xc0
[  512.412837]  ? __lock_acquire+0x7ec/0x4ec0
[  512.417073]  ? __lock_acquire+0x7ec/0x4ec0
[  512.421308]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  512.426851]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  512.432397]  ? should_fail+0x22d/0xd01
[  512.436294]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  512.441405]  ? __lock_acquire+0x7ec/0x4ec0
[  512.445655]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  512.450758]  ? __lock_acquire+0x7ec/0x4ec0
[  512.454997]  ? should_fail+0x22d/0xd01
[  512.458898]  ? mark_held_locks+0x130/0x130
[  512.463141]  ? mark_held_locks+0x130/0x130
[  512.467395]  ? graph_lock+0x170/0x170
[  512.471201]  ? print_usage_bug+0xc0/0xc0
[  512.475272]  ? graph_lock+0x170/0x170
[  512.479074]  ? print_usage_bug+0xc0/0xc0
[  512.483138]  ? wq_watchdog_touch+0x9c/0xfe
[  512.487389]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  512.492934]  ? check_preemption_disabled+0x48/0x200
[  512.498273]  ? check_preemption_disabled+0x48/0x200
[  512.503306]  ? __lock_is_held+0xb5/0x140
[  512.507392]  __alloc_pages_nodemask+0xa80/0xde0
[  512.512064]  ? graph_lock+0x170/0x170
[  512.515871]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  512.521111]  ? graph_lock+0x170/0x170
[  512.524923]  ? find_held_lock+0x36/0x1c0
[  512.528998]  ? ____cache_alloc_node+0x1c7/0x1e0
[  512.533672]  ? lock_downgrade+0x900/0x900
[  512.537834]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  512.543385]  cache_grow_begin+0x91/0x8c0
[  512.547452]  ? do_raw_spin_unlock+0xa7/0x2f0
[  512.551873]  fallback_alloc+0x203/0x2e0
[  512.555859]  ____cache_alloc_node+0x1c7/0x1e0
[  512.560362]  kmem_cache_alloc_node+0xe3/0x730
[  512.564882]  ? ipv6_get_ifaddr+0x42e/0x620
[  512.569131]  __alloc_skb+0x119/0x770
[  512.572851]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  512.578139]  ? skb_scrub_packet+0x490/0x490
[  512.582465]  ? lock_downgrade+0x900/0x900
[  512.586643]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  512.592185]  ? refcount_sub_and_test_checked+0x203/0x310
[  512.597652]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  512.603107]  ? addrconf_rs_timer+0x6f0/0x6f0
[  512.607535]  ndisc_alloc_skb+0x144/0x340
[  512.611607]  ndisc_send_rs+0x331/0x6e0
[  512.615512]  addrconf_rs_timer+0x3c0/0x6f0
[  512.619754]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  512.624008]  call_timer_fn+0x272/0x920
[  512.627896]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  512.632137]  ? process_timeout+0x40/0x40
[  512.636203]  ? find_held_lock+0x36/0x1c0
[  512.640278]  ? __run_timers+0x7da/0xc70
[  512.644259]  ? _raw_spin_unlock_irq+0x27/0x80
[  512.648760]  ? _raw_spin_unlock_irq+0x27/0x80
[  512.653261]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  512.657506]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  512.662097]  ? trace_hardirqs_on+0xbd/0x310
[  512.666420]  ? kasan_check_read+0x11/0x20
[  512.670577]  ? __run_timers+0x7da/0xc70
[  512.674555]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  512.680018]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  512.684285]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  512.688539]  __run_timers+0x7e5/0xc70
[  512.692364]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  512.697750]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  512.702773]  ? graph_lock+0x170/0x170
[  512.706585]  ? enqueue_hrtimer+0x1a5/0x560
[  512.710821]  ? lock_release+0x970/0x970
[  512.714802]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  512.720004]  ? find_held_lock+0x36/0x1c0
[  512.724070]  ? graph_lock+0x170/0x170
[  512.727881]  ? pvclock_read_flags+0x160/0x160
[  512.732402]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  512.737940]  ? check_preemption_disabled+0x48/0x200
[  512.742970]  ? __lock_is_held+0xb5/0x140
[  512.747036]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  512.752576]  ? check_preemption_disabled+0x48/0x200
[  512.757608]  run_timer_softirq+0x52/0xb0
[  512.761676]  ? rcu_read_lock_sched_held+0x108/0x120
[  512.766697]  __do_softirq+0x30b/0xad8
[  512.770513]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  512.775631]  ? pvclock_read_flags+0x160/0x160
[  512.780127]  ? lapic_next_event+0x5a/0x90
[  512.784298]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  512.789838]  ? check_preemption_disabled+0x48/0x200
[  512.794866]  ? check_preemption_disabled+0x48/0x200
[  512.799888]  ? kvm_clock_read+0x18/0x30
[  512.803866]  ? kvm_sched_clock_read+0x9/0x20
[  512.808278]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  512.813823]  ? check_preemption_disabled+0x48/0x200
[  512.818859]  irq_exit+0x17f/0x1c0
[  512.822327]  smp_apic_timer_interrupt+0x1cb/0x760
[  512.827172]  ? smp_reschedule_interrupt+0x109/0x650
[  512.832193]  ? smp_call_function_single_interrupt+0x650/0x650
[  512.838084]  ? interrupt_entry+0xb5/0xf0
[  512.842160]  ? trace_hardirqs_off_caller+0xbb/0x310
[  512.847179]  ? trace_hardirqs_off_caller+0xbb/0x310
[  512.852201]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  512.857047]  ? trace_hardirqs_on_caller+0x310/0x310
[  512.862062]  ? trace_hardirqs_on_caller+0x310/0x310
[  512.867083]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  512.872622]  ? check_preemption_disabled+0x48/0x200
[  512.877650]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  512.883200]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  512.888059]  apic_timer_interrupt+0xf/0x20
[  512.892288]  </IRQ>
[  512.894535] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  512.899471] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  512.918394] RSP: 0000:ffff8801ba62f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  512.926109] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  512.933387] RDX: 0000000000000000 RSI: ffff8801b881aa80 RDI: 0000000000000286
[  512.940665] RBP: ffff8801ba62f7b0 R08: ffff8801b881a200 R09: 0000000000000000
[  512.947933] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  512.955223] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  512.962552]  skb_clone+0x1bb/0x500
[  512.966097]  ? finish_task_switch+0x1b5/0x900
[  512.970599]  ? skb_split+0x11e0/0x11e0
[  512.974499]  ? preempt_notifier_register+0x200/0x200
[  512.979604]  ? __switch_to_asm+0x34/0x70
[  512.983687]  ? __switch_to_asm+0x34/0x70
[  512.987752]  ? __switch_to_asm+0x40/0x70
[  512.991816]  ? __switch_to_asm+0x34/0x70
[  512.995881]  ? __switch_to_asm+0x40/0x70
[  512.999944]  ? __switch_to_asm+0x34/0x70
[  513.004006]  ? __switch_to_asm+0x40/0x70
[  513.008067]  ? __switch_to_asm+0x34/0x70
[  513.012134]  ? __switch_to_asm+0x34/0x70
[  513.016201]  ? __switch_to_asm+0x40/0x70
[  513.020265]  ? __switch_to_asm+0x34/0x70
[  513.024338]  bpf_clone_redirect+0xb9/0x490
[  513.028584]  ? __schedule+0x874/0x1ed0
[  513.032480]  bpf_prog_3d1649e183dc2cc1+0xcce/0x1000
[  513.037519]  ? __sched_text_start+0x8/0x8
[  513.041687]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  513.046454]  ? find_held_lock+0x36/0x1c0
[  513.050528]  ? lock_acquire+0x1ed/0x520
[  513.054506]  ? bpf_test_run+0x32e/0x5a0
[  513.058484]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  513.064024]  ? check_preemption_disabled+0x48/0x200
[  513.069045]  ? kasan_check_read+0x11/0x20
[  513.073198]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  513.078482]  ? rcu_bh_qs+0xc0/0xc0
[  513.082023]  ? preempt_schedule+0x4d/0x60
[  513.086176]  ? ___preempt_schedule+0x16/0x18
[  513.090593]  ? bpf_test_run+0x1c0/0x5a0
[  513.094587]  ? netlink_diag_dump+0x2a0/0x2a0
[  513.099001]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  513.104543]  ? bpf_test_init.isra.9+0x70/0x100
[  513.109132]  ? bpf_prog_test_run_skb+0x634/0xb40
[  513.113904]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  513.118752]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  513.124289]  ? fput+0x130/0x1a0
[  513.127575]  ? __bpf_prog_get+0x9b/0x290
[  513.131650]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  513.136492]  ? bpf_prog_test_run+0x130/0x1a0
[  513.140905]  ? __x64_sys_bpf+0x3d8/0x510
[  513.144968]  ? bpf_prog_get+0x20/0x20
[  513.148792]  ? do_syscall_64+0x1b9/0x820
[  513.152859]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  513.158227]  ? syscall_return_slowpath+0x5e0/0x5e0
[  513.163161]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  513.168084]  ? trace_hardirqs_on_caller+0x310/0x310
[  513.173106]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  513.178128]  ? prepare_exit_to_usermode+0x291/0x3b0
[  513.183156]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  513.188008]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  513.193397] warn_alloc_show_mem: 1 callbacks suppressed
[  513.193409] CPU: 1 PID: 11390 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  513.193411] Mem-Info:
[  513.193443] active_anon:122480 inactive_anon:112 isolated_anon:0
[  513.193443]  active_file:16 inactive_file:5 isolated_file:0
[  513.193443]  unevictable:0 dirty:0 writeback:0 unstable:0
[  513.193443]  slab_reclaimable:9164 slab_unreclaimable:1399977
[  513.193443]  mapped:40962 shmem:118 pagetables:796 bounce:0
[  513.193443]  free:13728 free_pcp:0 free_cma:0
[  513.198783] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  513.206150] Node 0 active_anon:489920kB inactive_anon:448kB active_file:64kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:472kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 471040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  513.208557] Call Trace:
[  513.241339] Node 0 
[  513.250687]  <IRQ>
[  513.278214] 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
[  513.280776]  dump_stack+0x1c4/0x2b4
[  513.282984] lowmem_reserve[]:
[  513.285149]  ? dump_stack_print_info.cold.2+0x52/0x52
[  513.310608]  0 2813
[  513.314250]  warn_alloc.cold.119+0xb7/0x1bd
[  513.317319]  6317
[  513.322504]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  513.324716]  6317
[  513.329033]  ? lock_downgrade+0x900/0x900
[  513.331071] Node 0 
[  513.335915]  ? trace_hardirqs_off+0xb8/0x310
[  513.337979] DMA32 free:25276kB min:30028kB low:37532kB high:45036kB active_anon:12288kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2884608kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  513.342101]  ? trace_hardirqs_off+0xb8/0x310
[  513.344303] lowmem_reserve[]: 0
[  513.348724]  __alloc_pages_slowpath+0x2667/0x2d80
[  513.376016]  0 3503
[  513.380478]  ? warn_alloc+0x120/0x120
[  513.383695]  3503
[  513.388550]  ? lock_release+0x970/0x970
[  513.390758] Node 0 
[  513.394562]  ? warn_alloc+0x120/0x120
[  513.396624] Normal free:13728kB min:37384kB low:46728kB high:56072kB active_anon:477632kB inactive_anon:448kB active_file:64kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3587276kB mlocked:0kB kernel_stack:5408kB pagetables:3184kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  513.400569]  ? print_usage_bug+0xc0/0xc0
[  513.402775] lowmem_reserve[]: 0
[  513.406585]  ? warn_alloc+0x120/0x120
[  513.434745]  0 0
[  513.438818]  ? print_usage_bug+0xc0/0xc0
[  513.442062]  0
[  513.445866]  ? __lock_acquire+0x7ec/0x4ec0
[  513.447818] Node 0 
[  513.451872]  ? __lock_acquire+0x7ec/0x4ec0
[  513.453652] DMA: 
[  513.457886]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  513.460105] 1*4kB 
[  513.464337]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  513.466376] (U) 0*8kB 
[  513.471920]  ? should_fail+0x22d/0xd01
[  513.474042] 0*16kB 
[  513.479579]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  513.482053] 1*32kB 
[  513.485936]  ? __lock_acquire+0x7ec/0x4ec0
[  513.488148] (U) 
[  513.493246]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  513.495457] 2*64kB 
[  513.499690]  ? __lock_acquire+0x7ec/0x4ec0
[  513.501645] (U) 
[  513.506747]  ? should_fail+0x22d/0xd01
[  513.508957] 1*128kB (U) 
[  513.513204]  ? mark_held_locks+0x130/0x130
[  513.515147] 1*256kB (U) 
[  513.519042]  ? mark_held_locks+0x130/0x130
[  513.521693] 0*512kB 
[  513.525921]  ? graph_lock+0x170/0x170
[  513.528573] 1*1024kB 
[  513.532802]  ? print_usage_bug+0xc0/0xc0
[  513.535104] (U) 
[  513.538905]  ? graph_lock+0x170/0x170
[  513.541293] 1*2048kB 
[  513.545345]  ? print_usage_bug+0xc0/0xc0
[  513.547302] (M) 
[  513.551104]  ? wq_watchdog_touch+0x9c/0xfe
[  513.553500] 3*4096kB 
[  513.557556]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  513.559512] (M) 
[  513.563741]  ? check_preemption_disabled+0x48/0x200
[  513.566130] = 15908kB
[  513.566136] Node 0 
[  513.571678]  ? check_preemption_disabled+0x48/0x200
[  513.573636] DMA32: 
[  513.578664]  ? __lock_is_held+0xb5/0x140
[  513.581047] 5*4kB 
[  513.583288]  __alloc_pages_nodemask+0xa80/0xde0
[  513.588273] (UM) 1*8kB 
[  513.590520]  ? graph_lock+0x170/0x170
[  513.594567] (U) 4*16kB 
[  513.596730]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  513.601382] (UM) 
[  513.603961]  ? graph_lock+0x170/0x170
[  513.607738] 3*32kB 
[  513.610322]  ? find_held_lock+0x36/0x1c0
[  513.615305] (UM) 
[  513.617381]  ? ____cache_alloc_node+0x1c7/0x1e0
[  513.621150] 4*64kB 
[  513.623395]  ? lock_downgrade+0x900/0x900
[  513.627432] (M) 
[  513.629500]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  513.634135] 4*128kB (UM) 
[  513.636389]  cache_grow_begin+0x91/0x8c0
[  513.640508] 3*256kB 
[  513.642479]  ? do_raw_spin_unlock+0xa7/0x2f0
[  513.648011] (M) 
[  513.650772]  fallback_alloc+0x203/0x2e0
[  513.654804] 4*512kB 
[  513.657133]  ____cache_alloc_node+0x1c7/0x1e0
[  513.661509] (UM) 
[  513.663485]  kmem_cache_alloc_node+0xe3/0x730
[  513.667435] 3*1024kB 
[  513.669755]  ? ipv6_get_ifaddr+0x42e/0x620
[  513.674225] (UM) 
[  513.676296]  __alloc_skb+0x119/0x770
[  513.680762] 3*2048kB 
[  513.683173]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  513.687381] (UM) 3*4096kB 
[  513.689454]  ? skb_scrub_packet+0x490/0x490
[  513.693134] (M) = 25276kB
[  513.695549]  ? lock_downgrade+0x900/0x900
[  513.700825] Node 0 
[  513.703675]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  513.707964] Normal: 
[  513.710725]  ? refcount_sub_and_test_checked+0x203/0x310
[  513.714853] 1058*4kB 
[  513.717089]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  513.722616] (UMEH) 
[  513.724940]  ? addrconf_rs_timer+0x6f0/0x6f0
[  513.730361] 417*8kB (UMEH) 
[  513.732800]  ndisc_alloc_skb+0x144/0x340
[  513.738217] 179*16kB 
[  513.740453]  ndisc_send_rs+0x331/0x6e0
[  513.744836] (UME) 
[  513.747766]  addrconf_rs_timer+0x3c0/0x6f0
[  513.751801] 63*32kB 
[  513.754210]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  513.758070] (UMEH) 
[  513.760225]  call_timer_fn+0x272/0x920
[  513.764427] 21*64kB 
[  513.766747]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  513.770956] (UMH) 
[  513.773193]  ? process_timeout+0x40/0x40
[  513.777055] 2*128kB 
[  513.779380]  ? find_held_lock+0x36/0x1c0
[  513.783580] (MH) 0*256kB 
[  513.785743]  ? __run_timers+0x7da/0xc70
[  513.789775] 0*512kB 
[  513.792096]  ? _raw_spin_unlock_irq+0x27/0x80
[  513.796128] 0*1024kB 
[  513.798890]  ? _raw_spin_unlock_irq+0x27/0x80
[  513.802837] 0*2048kB 0*4096kB 
[  513.805182]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  513.805200]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  513.809683] = 14048kB
[  513.812092]  ? trace_hardirqs_on+0xbd/0x310
[  513.816583] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  513.819975]  ? kasan_check_read+0x11/0x20
[  513.819994]  ? __run_timers+0x7da/0xc70
[  513.824218] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  513.828794]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  513.831180] 164 total pagecache pages
[  513.835499]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  513.844314] 0 pages in swap cache
[  513.848722]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  513.852672] Swap cache stats: add 0, delete 0, find 0/0
[  513.861259]  __run_timers+0x7e5/0xc70
[  513.866685] Free swap  = 0kB
[  513.870500]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  513.874703] Total swap = 0kB
[  513.874713] 1965979 pages RAM
[  513.878176]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  513.882394] 0 pages HighMem/MovableOnly
[  513.887758]  ? graph_lock+0x170/0x170
[  513.891540] 344031 pages reserved
[  513.891550] 0 pages cma reserved
[  513.894583]  ? enqueue_hrtimer+0x1a5/0x560
[  513.900001] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  513.902948]  ? lock_release+0x970/0x970
[  513.902967]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  513.906121] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  513.911082]  ? find_held_lock+0x36/0x1c0
[  513.915032] syz-executor4 cpuset=
[  513.918835]  ? graph_lock+0x170/0x170
[  513.922258] syz4
[  513.925625]  ? pvclock_read_flags+0x160/0x160
[  513.929846]  mems_allowed=0
[  513.936343]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  513.982615]  ? check_preemption_disabled+0x48/0x200
[  513.987648]  ? __lock_is_held+0xb5/0x140
[  513.991719]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  513.997277]  ? check_preemption_disabled+0x48/0x200
[  514.002310]  run_timer_softirq+0x52/0xb0
[  514.006397]  ? rcu_read_lock_sched_held+0x108/0x120
[  514.011423]  __do_softirq+0x30b/0xad8
[  514.015238]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  514.020350]  ? pvclock_read_flags+0x160/0x160
[  514.024858]  ? lapic_next_event+0x5a/0x90
[  514.029008]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  514.034546]  ? check_preemption_disabled+0x48/0x200
[  514.039563]  ? check_preemption_disabled+0x48/0x200
[  514.044593]  ? kvm_clock_read+0x18/0x30
[  514.048569]  ? kvm_sched_clock_read+0x9/0x20
[  514.052982]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  514.058521]  ? check_preemption_disabled+0x48/0x200
[  514.063555]  irq_exit+0x17f/0x1c0
[  514.067012]  smp_apic_timer_interrupt+0x1cb/0x760
[  514.071853]  ? smp_reschedule_interrupt+0x109/0x650
[  514.076872]  ? smp_call_function_single_interrupt+0x650/0x650
[  514.082767]  ? interrupt_entry+0xb5/0xf0
[  514.086835]  ? trace_hardirqs_off_caller+0xbb/0x310
[  514.091855]  ? trace_hardirqs_off_caller+0xbb/0x310
[  514.096882]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  514.101729]  ? trace_hardirqs_on_caller+0x310/0x310
[  514.106751]  ? trace_hardirqs_on_caller+0x310/0x310
[  514.111778]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  514.117321]  ? check_preemption_disabled+0x48/0x200
[  514.122344]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  514.127900]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  514.132758]  apic_timer_interrupt+0xf/0x20
[  514.136986]  </IRQ>
[  514.139226] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  514.144162] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  514.163070] RSP: 0000:ffff8801866cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  514.170780] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  514.178049] RDX: 0000000000000000 RSI: ffff8801ce554f00 RDI: 0000000000000286
[  514.185320] RBP: ffff8801866cf7b0 R08: ffff8801ce554680 R09: 0000000000000000
[  514.192591] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  514.199858] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  514.207184]  skb_clone+0x1bb/0x500
[  514.210731]  ? finish_task_switch+0x2f5/0x900
[  514.215231]  ? skb_split+0x11e0/0x11e0
[  514.219126]  ? preempt_notifier_register+0x200/0x200
[  514.224243]  ? __switch_to_asm+0x34/0x70
[  514.228308]  ? __switch_to_asm+0x34/0x70
[  514.232378]  ? __switch_to_asm+0x40/0x70
[  514.236442]  ? __switch_to_asm+0x34/0x70
[  514.240502]  ? __switch_to_asm+0x40/0x70
[  514.244563]  ? __switch_to_asm+0x34/0x70
[  514.248627]  ? __switch_to_asm+0x40/0x70
[  514.252687]  ? __switch_to_asm+0x34/0x70
[  514.256753]  ? __switch_to_asm+0x34/0x70
[  514.260816]  ? __switch_to_asm+0x40/0x70
[  514.264877]  ? __switch_to_asm+0x34/0x70
[  514.268947]  bpf_clone_redirect+0xb9/0x490
[  514.273187]  ? __schedule+0x874/0x1ed0
[  514.277088]  bpf_prog_3d1649e183dc2cc1+0x379/0x1000
[  514.282109]  ? __sched_text_start+0x8/0x8
[  514.286267]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  514.291044]  ? find_held_lock+0x36/0x1c0
[  514.295124]  ? lock_acquire+0x1ed/0x520
[  514.299115]  ? bpf_test_run+0x32e/0x5a0
[  514.303105]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  514.308652]  ? check_preemption_disabled+0x48/0x200
[  514.313682]  ? kasan_check_read+0x11/0x20
[  514.317838]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  514.323126]  ? rcu_bh_qs+0xc0/0xc0
[  514.327032]  ? preempt_schedule+0x4d/0x60
[  514.331185]  ? ___preempt_schedule+0x16/0x18
[  514.335610]  ? bpf_test_run+0x1c0/0x5a0
[  514.339598]  ? netlink_diag_dump+0x2a0/0x2a0
[  514.344013]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  514.349552]  ? bpf_test_init.isra.9+0x70/0x100
[  514.354150]  ? bpf_prog_test_run_skb+0x634/0xb40
[  514.358917]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  514.363760]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  514.369520]  ? fput+0x130/0x1a0
[  514.372803]  ? __bpf_prog_get+0x9b/0x290
[  514.376873]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  514.381719]  ? bpf_prog_test_run+0x130/0x1a0
[  514.386138]  ? __x64_sys_bpf+0x3d8/0x510
[  514.390201]  ? bpf_prog_get+0x20/0x20
[  514.394027]  ? do_syscall_64+0x1b9/0x820
[  514.398094]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  514.403463]  ? syscall_return_slowpath+0x5e0/0x5e0
[  514.408406]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  514.413254]  ? trace_hardirqs_on_caller+0x310/0x310
[  514.418276]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  514.423298]  ? prepare_exit_to_usermode+0x291/0x3b0
[  514.428325]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  514.433181]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  514.438572] CPU: 0 PID: 11399 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  514.438646] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  514.445936] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  514.445945] Call Trace:
[  514.452530] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  514.461766]  <IRQ>
[  514.464338] syz-executor4 cpuset=
[  514.474820]  dump_stack+0x1c4/0x2b4
[  514.476946] syz4
[  514.480402]  ? dump_stack_print_info.cold.2+0x52/0x52
[  514.484005]  mems_allowed=0
[  514.485983]  warn_alloc.cold.119+0xb7/0x1bd
[  514.498533]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  514.503392]  ? lock_downgrade+0x900/0x900
[  514.507553]  ? trace_hardirqs_off+0xb8/0x310
[  514.511971]  ? trace_hardirqs_off+0xb8/0x310
[  514.516651]  __alloc_pages_slowpath+0x2667/0x2d80
[  514.521549]  ? warn_alloc+0x120/0x120
[  514.525359]  ? warn_alloc+0x120/0x120
[  514.529173]  ? print_usage_bug+0xc0/0xc0
[  514.533240]  ? warn_alloc+0x120/0x120
[  514.537045]  ? print_usage_bug+0xc0/0xc0
[  514.541114]  ? __lock_acquire+0x7ec/0x4ec0
[  514.545363]  ? __lock_acquire+0x7ec/0x4ec0
[  514.549617]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  514.555164]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  514.560710]  ? should_fail+0x22d/0xd01
[  514.564610]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  514.569749]  ? __lock_acquire+0x7ec/0x4ec0
[  514.574027]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  514.579152]  ? __lock_acquire+0x7ec/0x4ec0
[  514.583399]  ? should_fail+0x22d/0xd01
[  514.587300]  ? mark_held_locks+0x130/0x130
[  514.591544]  ? mark_held_locks+0x130/0x130
[  514.595788]  ? graph_lock+0x170/0x170
[  514.599595]  ? print_usage_bug+0xc0/0xc0
[  514.603667]  ? graph_lock+0x170/0x170
[  514.607468]  ? print_usage_bug+0xc0/0xc0
[  514.611530]  ? wq_watchdog_touch+0x9c/0xfe
[  514.615767]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  514.621325]  ? check_preemption_disabled+0x48/0x200
[  514.626363]  ? check_preemption_disabled+0x48/0x200
[  514.631410]  ? __lock_is_held+0xb5/0x140
[  514.635484]  __alloc_pages_nodemask+0xa80/0xde0
[  514.640158]  ? graph_lock+0x170/0x170
[  514.643971]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  514.648990]  ? graph_lock+0x170/0x170
[  514.652805]  ? find_held_lock+0x36/0x1c0
[  514.656879]  ? ____cache_alloc_node+0x1c7/0x1e0
[  514.661554]  ? lock_downgrade+0x900/0x900
[  514.665716]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  514.671259]  cache_grow_begin+0x91/0x8c0
[  514.675341]  ? do_raw_spin_unlock+0xa7/0x2f0
[  514.679779]  fallback_alloc+0x203/0x2e0
[  514.683789]  ____cache_alloc_node+0x1c7/0x1e0
[  514.688303]  kmem_cache_alloc_node+0xe3/0x730
[  514.692802]  ? ipv6_get_ifaddr+0x42e/0x620
[  514.697050]  __alloc_skb+0x119/0x770
[  514.700771]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  514.706055]  ? skb_scrub_packet+0x490/0x490
[  514.710388]  ? lock_downgrade+0x900/0x900
[  514.714549]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  514.720091]  ? refcount_sub_and_test_checked+0x203/0x310
[  514.725555]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  514.731011]  ? addrconf_rs_timer+0x6f0/0x6f0
[  514.735438]  ndisc_alloc_skb+0x144/0x340
[  514.739507]  ndisc_send_rs+0x331/0x6e0
[  514.743410]  addrconf_rs_timer+0x3c0/0x6f0
[  514.747657]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  514.751915]  call_timer_fn+0x272/0x920
[  514.755813]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  514.760056]  ? process_timeout+0x40/0x40
[  514.764123]  ? find_held_lock+0x36/0x1c0
[  514.768201]  ? __run_timers+0x7da/0xc70
[  514.772190]  ? _raw_spin_unlock_irq+0x27/0x80
[  514.776691]  ? _raw_spin_unlock_irq+0x27/0x80
[  514.781188]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  514.785434]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  514.790020]  ? trace_hardirqs_on+0xbd/0x310
[  514.794343]  ? kasan_check_read+0x11/0x20
[  514.798515]  ? __run_timers+0x7da/0xc70
[  514.802501]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  514.807964]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  514.812221]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  514.816462]  __run_timers+0x7e5/0xc70
[  514.820281]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  514.825672]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  514.830699]  ? graph_lock+0x170/0x170
[  514.834517]  ? enqueue_hrtimer+0x1a5/0x560
[  514.838813]  ? lock_release+0x970/0x970
[  514.842811]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  514.848019]  ? find_held_lock+0x36/0x1c0
[  514.852086]  ? graph_lock+0x170/0x170
[  514.855890]  ? pvclock_read_flags+0x160/0x160
[  514.860400]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  514.865941]  ? check_preemption_disabled+0x48/0x200
[  514.870971]  ? __lock_is_held+0xb5/0x140
[  514.875036]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  514.880668]  ? check_preemption_disabled+0x48/0x200
[  514.885697]  run_timer_softirq+0x52/0xb0
[  514.889762]  ? rcu_read_lock_sched_held+0x108/0x120
[  514.894784]  __do_softirq+0x30b/0xad8
[  514.898599]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  514.903715]  ? pvclock_read_flags+0x160/0x160
[  514.908214]  ? lapic_next_event+0x5a/0x90
[  514.912495]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  514.918038]  ? check_preemption_disabled+0x48/0x200
[  514.923059]  ? check_preemption_disabled+0x48/0x200
[  514.928084]  ? kvm_clock_read+0x18/0x30
[  514.932064]  ? kvm_sched_clock_read+0x9/0x20
[  514.936479]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  514.942022]  ? check_preemption_disabled+0x48/0x200
[  514.947053]  irq_exit+0x17f/0x1c0
[  514.950520]  smp_apic_timer_interrupt+0x1cb/0x760
[  514.955377]  ? smp_reschedule_interrupt+0x109/0x650
[  514.960412]  ? smp_call_function_single_interrupt+0x650/0x650
[  514.966304]  ? interrupt_entry+0xb5/0xf0
[  514.970378]  ? trace_hardirqs_off_caller+0xbb/0x310
[  514.975407]  ? trace_hardirqs_off_caller+0xbb/0x310
[  514.980427]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  514.985273]  ? trace_hardirqs_on_caller+0x310/0x310
[  514.990293]  ? trace_hardirqs_on_caller+0x310/0x310
[  514.995317]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  515.000855]  ? check_preemption_disabled+0x48/0x200
[  515.005875]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  515.011422]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  515.016278]  apic_timer_interrupt+0xf/0x20
[  515.020507]  </IRQ>
[  515.022749] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  515.027684] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  515.046590] RSP: 0000:ffff8801ba62f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  515.054306] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  515.061578] RDX: 0000000000000000 RSI: ffff8801b881aa80 RDI: 0000000000000286
[  515.068846] RBP: ffff8801ba62f7b0 R08: ffff8801b881a200 R09: 0000000000000000
[  515.076118] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  515.083395] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  515.090713]  skb_clone+0x1bb/0x500
[  515.094261]  ? finish_task_switch+0x1b5/0x900
[  515.098758]  ? skb_split+0x11e0/0x11e0
[  515.102657]  ? preempt_notifier_register+0x200/0x200
[  515.107767]  ? __switch_to_asm+0x34/0x70
[  515.111832]  ? __switch_to_asm+0x34/0x70
[  515.115899]  ? __switch_to_asm+0x40/0x70
[  515.119972]  ? __switch_to_asm+0x34/0x70
[  515.124037]  ? __switch_to_asm+0x40/0x70
[  515.128101]  ? __switch_to_asm+0x34/0x70
[  515.132164]  ? __switch_to_asm+0x40/0x70
[  515.136225]  ? __switch_to_asm+0x34/0x70
[  515.140288]  ? __switch_to_asm+0x34/0x70
[  515.144350]  ? __switch_to_asm+0x40/0x70
[  515.148420]  ? __switch_to_asm+0x34/0x70
[  515.152489]  bpf_clone_redirect+0xb9/0x490
[  515.156732]  ? __schedule+0x874/0x1ed0
[  515.160626]  bpf_prog_3d1649e183dc2cc1+0xcce/0x1000
[  515.165663]  ? __sched_text_start+0x8/0x8
[  515.169827]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  515.174603]  ? find_held_lock+0x36/0x1c0
[  515.178685]  ? lock_acquire+0x1ed/0x520
[  515.182682]  ? bpf_test_run+0x32e/0x5a0
[  515.186668]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  515.192209]  ? check_preemption_disabled+0x48/0x200
[  515.197234]  ? kasan_check_read+0x11/0x20
[  515.201398]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  515.206679]  ? rcu_bh_qs+0xc0/0xc0
[  515.210226]  ? preempt_schedule+0x4d/0x60
[  515.214387]  ? ___preempt_schedule+0x16/0x18
[  515.218813]  ? bpf_test_run+0x1c0/0x5a0
[  515.222803]  ? netlink_diag_dump+0x2a0/0x2a0
[  515.227218]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  515.232756]  ? bpf_test_init.isra.9+0x70/0x100
[  515.237349]  ? bpf_prog_test_run_skb+0x634/0xb40
[  515.242129]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  515.246974]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  515.252515]  ? fput+0x130/0x1a0
[  515.255798]  ? __bpf_prog_get+0x9b/0x290
[  515.259864]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  515.264709]  ? bpf_prog_test_run+0x130/0x1a0
[  515.269127]  ? __x64_sys_bpf+0x3d8/0x510
[  515.273193]  ? bpf_prog_get+0x20/0x20
[  515.277019]  ? do_syscall_64+0x1b9/0x820
[  515.281090]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  515.286461]  ? syscall_return_slowpath+0x5e0/0x5e0
[  515.291413]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  515.296276]  ? trace_hardirqs_on_caller+0x310/0x310
[  515.301307]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  515.306342]  ? prepare_exit_to_usermode+0x291/0x3b0
[  515.311386]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  515.316246]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  515.321634] CPU: 1 PID: 11390 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  515.321640] warn_alloc_show_mem: 1 callbacks suppressed
[  515.321647] Mem-Info:
[  515.329007] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  515.329016] Call Trace:
[  515.334398] active_anon:122480 inactive_anon:112 isolated_anon:0
[  515.334398]  active_file:16 inactive_file:5 isolated_file:0
[  515.334398]  unevictable:0 dirty:0 writeback:0 unstable:0
[  515.334398]  slab_reclaimable:9164 slab_unreclaimable:1399977
[  515.334398]  mapped:40962 shmem:118 pagetables:796 bounce:0
[  515.334398]  free:13728 free_pcp:0 free_cma:0
[  515.336770]  <IRQ>
[  515.346136] Node 0 active_anon:489920kB inactive_anon:448kB active_file:64kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:472kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 471040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  515.348723]  dump_stack+0x1c4/0x2b4
[  515.381668] Node 0 
[  515.383833]  ? dump_stack_print_info.cold.2+0x52/0x52
[  515.411327] 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
[  515.414950]  warn_alloc.cold.119+0xb7/0x1bd
[  515.417135] lowmem_reserve[]: 0
[  515.422335]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  515.447810]  2813 6317
[  515.452156]  ? lock_downgrade+0x900/0x900
[  515.455393]  6317
[  515.460242]  ? trace_hardirqs_off+0xb8/0x310
[  515.462714] Node 0 
[  515.466862]  ? trace_hardirqs_off+0xb8/0x310
[  515.468924] DMA32 free:25276kB min:30028kB low:37532kB high:45036kB active_anon:12288kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2884608kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  515.473308]  __alloc_pages_slowpath+0x2667/0x2d80
[  515.475505] lowmem_reserve[]: 0
[  515.479946]  ? warn_alloc+0x120/0x120
[  515.506783]  0 3503
[  515.511636]  ? trace_hardirqs_on+0x310/0x310
[  515.514890]  3503
[  515.518701]  ? warn_alloc+0x120/0x120
[  515.520915] Node 0 
[  515.525318]  ? print_usage_bug+0xc0/0xc0
[  515.527394] Normal free:13728kB min:37384kB low:46728kB high:56072kB active_anon:477632kB inactive_anon:448kB active_file:64kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3587276kB mlocked:0kB kernel_stack:5408kB pagetables:3184kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  515.531166]  ? warn_alloc+0x120/0x120
[  515.533377] lowmem_reserve[]: 0
[  515.537445]  ? ktime_get+0x2e1/0x440
[  515.565457]  0 0
[  515.569284]  ? print_usage_bug+0xc0/0xc0
[  515.572572]  0
[  515.576293]  ? __lock_acquire+0x7ec/0x4ec0
[  515.578246] Node 0 
[  515.582301]  ? __lock_acquire+0x7ec/0x4ec0
[  515.584079] DMA: 
[  515.588307]  ? kasan_check_read+0x11/0x20
[  515.590524] 1*4kB 
[  515.594759]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  515.596794] (U) 
[  515.600942]  ? should_fail+0x22d/0xd01
[  515.603064] 0*8kB 
[  515.608599]  ? rcu_bh_qs+0xc0/0xc0
[  515.610555] 0*16kB 
[  515.614436]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  515.616561] 1*32kB 
[  515.620094]  ? __lock_acquire+0x7ec/0x4ec0
[  515.622310] (U) 
[  515.627415]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  515.629628] 2*64kB 
[  515.633858]  ? __lock_acquire+0x7ec/0x4ec0
[  515.635808] (U) 
[  515.640908]  ? should_fail+0x22d/0xd01
[  515.640928]  ? rcu_idle_enter+0x4b0/0x4b0
[  515.643136] 1*128kB (U) 
[  515.647397]  ? mark_held_locks+0x130/0x130
[  515.649334] 1*256kB (U) 
[  515.653231]  ? mark_held_locks+0x130/0x130
[  515.657358] 0*512kB 
[  515.660036]  ? mark_held_locks+0xc7/0x130
[  515.664245] 1*1024kB (U) 
[  515.666922]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  515.666939]  ? graph_lock+0x170/0x170
[  515.671153] 1*2048kB 
[  515.673473]  ? print_usage_bug+0xc0/0xc0
[  515.677598] (M) 
[  515.680353]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  515.685343] 3*4096kB (M) 
[  515.689189]  ? check_preemption_disabled+0x48/0x200
[  515.691597] = 15908kB
[  515.695655]  ? check_preemption_disabled+0x48/0x200
[  515.697611] Node 0 
[  515.703163]  ? __lock_is_held+0xb5/0x140
[  515.705881] DMA32: 
[  515.710895]  __alloc_pages_nodemask+0xa80/0xde0
[  515.713278] 5*4kB 
[  515.718294]  ? graph_lock+0x170/0x170
[  515.720510] (UM) 
[  515.724573]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  515.726779] 1*8kB (U) 
[  515.731455]  ? graph_lock+0x170/0x170
[  515.733579] 4*16kB 
[  515.737396]  ? find_held_lock+0x36/0x1c0
[  515.739427] (UM) 
[  515.745254]  ? ____cache_alloc_node+0x1c7/0x1e0
[  515.747722] 3*32kB 
[  515.751524]  ? lock_downgrade+0x900/0x900
[  515.753736] (UM) 
[  515.757830]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  515.759877] 4*64kB 
[  515.764544]  cache_grow_begin+0x91/0x8c0
[  515.766753] (M) 
[  515.770896]  ? do_raw_spin_unlock+0xa7/0x2f0
[  515.772936] 4*128kB 
[  515.778473]  fallback_alloc+0x203/0x2e0
[  515.780676] (UM) 3*256kB 
[  515.784747]  ____cache_alloc_node+0x1c7/0x1e0
[  515.786699] (M) 
[  515.791111]  kmem_cache_alloc_node+0xe3/0x730
[  515.793415] 4*512kB 
[  515.797395]  ? ipv6_get_ifaddr+0x42e/0x620
[  515.800126] (UM) 
[  515.804628]  __alloc_skb+0x119/0x770
[  515.806577] 3*1024kB 
[  515.811068]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  515.813366] (UM) 
[  515.817604]  ? skb_scrub_packet+0x490/0x490
[  515.819648] 3*2048kB 
[  515.823359]  ? lock_downgrade+0x900/0x900
[  515.825756] (UM) 
[  515.831031]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  515.834398] 3*4096kB 
[  515.838710]  ? refcount_sub_and_test_checked+0x203/0x310
[  515.838733]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  515.841131] (M) = 25276kB
[  515.841153] Node 0 
[  515.845303]  ? addrconf_rs_timer+0x6f0/0x6f0
[  515.847362] Normal: 
[  515.852929]  ndisc_alloc_skb+0x144/0x340
[  515.855314] 1058*4kB 
[  515.860776]  ndisc_send_rs+0x331/0x6e0
[  515.866202] (UMEH) 
[  515.868958]  addrconf_rs_timer+0x3c0/0x6f0
[  515.871174] 417*8kB 
[  515.875575]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  515.877875] (UMEH) 
[  515.881982]  call_timer_fn+0x272/0x920
[  515.884387] 179*16kB 
[  515.888289]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  515.890508] (UME) 
[  515.894739]  ? process_timeout+0x40/0x40
[  515.897058] 63*32kB (UMEH) 
[  515.901305]  ? find_held_lock+0x36/0x1c0
[  515.903515] 21*64kB (UMH) 
[  515.907418]  ? __run_timers+0x7da/0xc70
[  515.909800] 2*128kB (MH) 
[  515.914066]  ? _raw_spin_unlock_irq+0x27/0x80
[  515.916197] 0*256kB 
[  515.920257]  ? _raw_spin_unlock_irq+0x27/0x80
[  515.923166] 0*512kB 
[  515.927222]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  515.930038] 0*1024kB 0*2048kB 
[  515.934019]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  515.936751] 0*4096kB 
[  515.941246]  ? trace_hardirqs_on+0xbd/0x310
[  515.943540] = 14048kB
[  515.943553] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  515.943561] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  515.943565] 164 total pagecache pages
[  515.943574] 0 pages in swap cache
[  515.943578] Swap cache stats: add 0, delete 0, find 0/0
[  515.943581] Free swap  = 0kB
[  515.943584] Total swap = 0kB
[  515.943591] 1965979 pages RAM
[  515.943594] 0 pages HighMem/MovableOnly
[  515.943596] 344031 pages reserved
[  515.943602] 0 pages cma reserved
[  515.943663] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  515.943743] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  515.943748] syz-executor4 cpuset=syz4 mems_allowed=0
[  516.043944]  ? kasan_check_read+0x11/0x20
[  516.048123]  ? __run_timers+0x7da/0xc70
[  516.052115]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  516.057581]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  516.061824]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  516.066067]  __run_timers+0x7e5/0xc70
[  516.069886]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  516.075257]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  516.080285]  ? graph_lock+0x170/0x170
[  516.084116]  ? enqueue_hrtimer+0x1a5/0x560
[  516.088364]  ? lock_release+0x970/0x970
[  516.092359]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  516.097571]  ? find_held_lock+0x36/0x1c0
[  516.101642]  ? graph_lock+0x170/0x170
[  516.105449]  ? pvclock_read_flags+0x160/0x160
[  516.109951]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  516.115497]  ? check_preemption_disabled+0x48/0x200
[  516.120532]  ? __lock_is_held+0xb5/0x140
[  516.124601]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  516.130146]  ? check_preemption_disabled+0x48/0x200
[  516.135178]  run_timer_softirq+0x52/0xb0
[  516.139249]  ? rcu_read_lock_sched_held+0x108/0x120
[  516.144273]  __do_softirq+0x30b/0xad8
[  516.148087]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  516.153199]  ? pvclock_read_flags+0x160/0x160
[  516.157697]  ? lapic_next_event+0x5a/0x90
[  516.161849]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  516.167396]  ? check_preemption_disabled+0x48/0x200
[  516.172428]  ? check_preemption_disabled+0x48/0x200
[  516.177455]  ? kvm_clock_read+0x18/0x30
[  516.181434]  ? kvm_sched_clock_read+0x9/0x20
[  516.185849]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  516.191394]  ? check_preemption_disabled+0x48/0x200
[  516.196435]  irq_exit+0x17f/0x1c0
[  516.199899]  smp_apic_timer_interrupt+0x1cb/0x760
[  516.204742]  ? smp_reschedule_interrupt+0x109/0x650
[  516.209761]  ? smp_call_function_single_interrupt+0x650/0x650
[  516.215652]  ? interrupt_entry+0xb5/0xf0
[  516.219720]  ? trace_hardirqs_off_caller+0xbb/0x310
[  516.224739]  ? trace_hardirqs_off_caller+0xbb/0x310
[  516.229762]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  516.234612]  ? trace_hardirqs_on_caller+0x310/0x310
[  516.239631]  ? trace_hardirqs_on_caller+0x310/0x310
[  516.244671]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  516.250231]  ? check_preemption_disabled+0x48/0x200
[  516.255249]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  516.260800]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  516.265656]  apic_timer_interrupt+0xf/0x20
[  516.269892]  </IRQ>
[  516.272145] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  516.277086] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  516.295995] RSP: 0000:ffff8801866cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  516.303719] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  516.311148] RDX: 0000000000000000 RSI: ffff8801ce554f00 RDI: 0000000000000286
[  516.318425] RBP: ffff8801866cf7b0 R08: ffff8801ce554680 R09: 0000000000000000
[  516.325694] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  516.332963] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  516.340289]  skb_clone+0x1bb/0x500
[  516.343841]  ? finish_task_switch+0x2f5/0x900
[  516.349128]  ? skb_split+0x11e0/0x11e0
[  516.353053]  ? preempt_notifier_register+0x200/0x200
[  516.358166]  ? __switch_to_asm+0x34/0x70
[  516.362255]  ? __switch_to_asm+0x34/0x70
[  516.366676]  ? __switch_to_asm+0x40/0x70
[  516.370742]  ? __switch_to_asm+0x34/0x70
[  516.374807]  ? __switch_to_asm+0x40/0x70
[  516.378870]  ? __switch_to_asm+0x34/0x70
[  516.382945]  ? __switch_to_asm+0x40/0x70
[  516.387010]  ? __switch_to_asm+0x34/0x70
[  516.391080]  ? __switch_to_asm+0x34/0x70
[  516.395150]  ? __switch_to_asm+0x40/0x70
[  516.399217]  ? __switch_to_asm+0x34/0x70
[  516.403307]  bpf_clone_redirect+0xb9/0x490
[  516.407549]  ? __schedule+0x874/0x1ed0
[  516.411445]  bpf_prog_3d1649e183dc2cc1+0x379/0x1000
[  516.416472]  ? __sched_text_start+0x8/0x8
[  516.420633]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  516.425408]  ? find_held_lock+0x36/0x1c0
[  516.429483]  ? lock_acquire+0x1ed/0x520
[  516.433552]  ? bpf_test_run+0x32e/0x5a0
[  516.437538]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  516.443083]  ? check_preemption_disabled+0x48/0x200
[  516.448111]  ? kasan_check_read+0x11/0x20
[  516.452272]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  516.457554]  ? rcu_bh_qs+0xc0/0xc0
[  516.461178]  ? preempt_schedule+0x4d/0x60
[  516.465352]  ? ___preempt_schedule+0x16/0x18
[  516.469781]  ? bpf_test_run+0x1c0/0x5a0
[  516.473772]  ? netlink_diag_dump+0x2a0/0x2a0
[  516.478189]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  516.483729]  ? bpf_test_init.isra.9+0x70/0x100
[  516.488322]  ? bpf_prog_test_run_skb+0x634/0xb40
[  516.493092]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  516.498416]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  516.503959]  ? fput+0x130/0x1a0
[  516.507248]  ? __bpf_prog_get+0x9b/0x290
[  516.511318]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  516.516165]  ? bpf_prog_test_run+0x130/0x1a0
[  516.520584]  ? __x64_sys_bpf+0x3d8/0x510
[  516.524651]  ? bpf_prog_get+0x20/0x20
[  516.528481]  ? do_syscall_64+0x1b9/0x820
[  516.532550]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  516.537921]  ? syscall_return_slowpath+0x5e0/0x5e0
[  516.542856]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  516.547706]  ? trace_hardirqs_on_caller+0x310/0x310
[  516.552728]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  516.557762]  ? prepare_exit_to_usermode+0x291/0x3b0
[  516.562794]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  516.567663]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  516.573057] CPU: 0 PID: 11399 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  516.573123] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  516.580462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  516.580467] Call Trace:
[  516.580474]  <IRQ>
[  516.580492]  dump_stack+0x1c4/0x2b4
[  516.580515]  ? dump_stack_print_info.cold.2+0x52/0x52
[  516.587438] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  516.596403]  warn_alloc.cold.119+0xb7/0x1bd
[  516.596423]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  516.599219] syz-executor4 cpuset=
[  516.601376]  ? lock_downgrade+0x900/0x900
[  516.601402]  ? trace_hardirqs_off+0xb8/0x310
[  516.605205] syz4
[  516.610341]  ? trace_hardirqs_off+0xb8/0x310
[  516.610363]  __alloc_pages_slowpath+0x2667/0x2d80
[  516.610424]  ? warn_alloc+0x120/0x120
[  516.610446]  ? warn_alloc+0x120/0x120
[  516.610463]  ? print_usage_bug+0xc0/0xc0
[  516.621117]  mems_allowed=0
[  516.625450]  ? warn_alloc+0x120/0x120
[  516.671794]  ? lock_release+0x970/0x970
[  516.675782]  ? print_usage_bug+0xc0/0xc0
[  516.679851]  ? __lock_acquire+0x7ec/0x4ec0
[  516.684091]  ? __lock_acquire+0x7ec/0x4ec0
[  516.688333]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  516.693875]  ? should_fail+0x22d/0xd01
[  516.697763]  ? __lock_acquire+0x7ec/0x4ec0
[  516.702002]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  516.707110]  ? __lock_acquire+0x7ec/0x4ec0
[  516.711354]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  516.716470]  ? __lock_acquire+0x7ec/0x4ec0
[  516.720707]  ? should_fail+0x22d/0xd01
[  516.724609]  ? mark_held_locks+0x130/0x130
[  516.728858]  ? mark_held_locks+0x130/0x130
[  516.733126]  ? graph_lock+0x170/0x170
[  516.736936]  ? print_usage_bug+0xc0/0xc0
[  516.741026]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  516.746575]  ? check_preemption_disabled+0x48/0x200
[  516.751622]  ? check_preemption_disabled+0x48/0x200
[  516.756724]  ? __lock_is_held+0xb5/0x140
[  516.760796]  __alloc_pages_nodemask+0xa80/0xde0
[  516.765472]  ? graph_lock+0x170/0x170
[  516.769284]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  516.774299]  ? graph_lock+0x170/0x170
[  516.778115]  ? find_held_lock+0x36/0x1c0
[  516.782192]  ? ____cache_alloc_node+0x1c7/0x1e0
[  516.786866]  ? lock_downgrade+0x900/0x900
[  516.791025]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  516.796575]  cache_grow_begin+0x91/0x8c0
[  516.800648]  ? do_raw_spin_unlock+0xa7/0x2f0
[  516.805069]  fallback_alloc+0x203/0x2e0
[  516.809054]  ____cache_alloc_node+0x1c7/0x1e0
[  516.813564]  kmem_cache_alloc_node+0xe3/0x730
[  516.818082]  ? ipv6_get_ifaddr+0x42e/0x620
[  516.822344]  __alloc_skb+0x119/0x770
[  516.826069]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  516.831361]  ? skb_scrub_packet+0x490/0x490
[  516.835782]  ? lock_downgrade+0x900/0x900
[  516.839982]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  516.845539]  ? refcount_sub_and_test_checked+0x203/0x310
[  516.850997]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  516.856455]  ? addrconf_rs_timer+0x6f0/0x6f0
[  516.860881]  ndisc_alloc_skb+0x144/0x340
[  516.864953]  ndisc_send_rs+0x331/0x6e0
[  516.868852]  addrconf_rs_timer+0x3c0/0x6f0
[  516.873094]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  516.877346]  call_timer_fn+0x272/0x920
[  516.881242]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  516.885481]  ? process_timeout+0x40/0x40
[  516.889544]  ? find_held_lock+0x36/0x1c0
[  516.893615]  ? __run_timers+0x7da/0xc70
[  516.897603]  ? _raw_spin_unlock_irq+0x27/0x80
[  516.902109]  ? _raw_spin_unlock_irq+0x27/0x80
[  516.906625]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  516.910871]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  516.915457]  ? trace_hardirqs_on+0xbd/0x310
[  516.919786]  ? kasan_check_read+0x11/0x20
[  516.924046]  ? __run_timers+0x7da/0xc70
[  516.928026]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  516.933492]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  516.937732]  __run_timers+0x7e5/0xc70
[  516.941552]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  516.946921]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  516.951938]  ? graph_lock+0x170/0x170
[  516.955747]  ? enqueue_hrtimer+0x1a5/0x560
[  516.959981]  ? lock_release+0x970/0x970
[  516.963972]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  516.969171]  ? find_held_lock+0x36/0x1c0
[  516.973288]  ? graph_lock+0x170/0x170
[  516.977093]  ? pvclock_read_flags+0x160/0x160
[  516.981594]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  516.987155]  ? check_preemption_disabled+0x48/0x200
[  516.992192]  ? __lock_is_held+0xb5/0x140
[  516.996257]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  517.001796]  ? check_preemption_disabled+0x48/0x200
[  517.006832]  run_timer_softirq+0x52/0xb0
[  517.010898]  ? rcu_read_lock_sched_held+0x108/0x120
[  517.015920]  __do_softirq+0x30b/0xad8
[  517.019737]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  517.024849]  ? pvclock_read_flags+0x160/0x160
[  517.029349]  ? lapic_next_event+0x5a/0x90
[  517.033517]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  517.039066]  ? check_preemption_disabled+0x48/0x200
[  517.044083]  ? check_preemption_disabled+0x48/0x200
[  517.049108]  ? kvm_clock_read+0x18/0x30
[  517.053085]  ? kvm_sched_clock_read+0x9/0x20
[  517.057499]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  517.063038]  ? check_preemption_disabled+0x48/0x200
[  517.068113]  irq_exit+0x17f/0x1c0
[  517.071570]  smp_apic_timer_interrupt+0x1cb/0x760
[  517.076417]  ? smp_reschedule_interrupt+0x109/0x650
[  517.081439]  ? smp_call_function_single_interrupt+0x650/0x650
[  517.087328]  ? interrupt_entry+0xb5/0xf0
[  517.091414]  ? trace_hardirqs_off_caller+0xbb/0x310
[  517.096434]  ? trace_hardirqs_off_caller+0xbb/0x310
[  517.101454]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  517.106302]  ? trace_hardirqs_on_caller+0x310/0x310
[  517.111321]  ? trace_hardirqs_on_caller+0x310/0x310
[  517.116342]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  517.121890]  ? check_preemption_disabled+0x48/0x200
[  517.126910]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  517.132463]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  517.137317]  apic_timer_interrupt+0xf/0x20
[  517.141546]  </IRQ>
[  517.143808] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  517.148746] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  517.167655] RSP: 0000:ffff8801ba62f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  517.175366] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  517.182648] RDX: 0000000000000000 RSI: ffff8801b881aa80 RDI: 0000000000000286
[  517.189941] RBP: ffff8801ba62f7b0 R08: ffff8801b881a200 R09: 0000000000000000
[  517.197216] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  517.204487] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  517.211808]  skb_clone+0x1bb/0x500
[  517.215358]  ? finish_task_switch+0x1b5/0x900
[  517.219900]  ? skb_split+0x11e0/0x11e0
[  517.223814]  ? preempt_notifier_register+0x200/0x200
[  517.228925]  ? __switch_to_asm+0x34/0x70
[  517.233007]  ? __switch_to_asm+0x34/0x70
[  517.237072]  ? __switch_to_asm+0x40/0x70
[  517.241134]  ? __switch_to_asm+0x34/0x70
[  517.245198]  ? __switch_to_asm+0x40/0x70
[  517.249259]  ? __switch_to_asm+0x34/0x70
[  517.253326]  ? __switch_to_asm+0x40/0x70
[  517.257396]  ? __switch_to_asm+0x34/0x70
[  517.261464]  ? __switch_to_asm+0x34/0x70
[  517.265528]  ? __switch_to_asm+0x40/0x70
[  517.269590]  ? __switch_to_asm+0x34/0x70
[  517.273664]  bpf_clone_redirect+0xb9/0x490
[  517.277904]  ? __schedule+0x874/0x1ed0
[  517.281802]  bpf_prog_3d1649e183dc2cc1+0xcce/0x1000
[  517.286823]  ? __sched_text_start+0x8/0x8
[  517.290983]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  517.295751]  ? find_held_lock+0x36/0x1c0
[  517.299827]  ? lock_acquire+0x1ed/0x520
[  517.303807]  ? bpf_test_run+0x32e/0x5a0
[  517.307785]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  517.313332]  ? check_preemption_disabled+0x48/0x200
[  517.318356]  ? kasan_check_read+0x11/0x20
[  517.322526]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  517.327828]  ? rcu_bh_qs+0xc0/0xc0
[  517.331381]  ? preempt_schedule+0x4d/0x60
[  517.335538]  ? ___preempt_schedule+0x16/0x18
[  517.339961]  ? bpf_test_run+0x1c0/0x5a0
[  517.343951]  ? netlink_diag_dump+0x2a0/0x2a0
[  517.348365]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  517.354098]  ? bpf_test_init.isra.9+0x70/0x100
[  517.358695]  ? bpf_prog_test_run_skb+0x634/0xb40
[  517.363462]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  517.368554]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  517.374091]  ? fput+0x130/0x1a0
[  517.377387]  ? __bpf_prog_get+0x9b/0x290
[  517.381467]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  517.386314]  ? bpf_prog_test_run+0x130/0x1a0
[  517.390734]  ? __x64_sys_bpf+0x3d8/0x510
[  517.394797]  ? bpf_prog_get+0x20/0x20
[  517.398622]  ? do_syscall_64+0x1b9/0x820
[  517.402710]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  517.408082]  ? syscall_return_slowpath+0x5e0/0x5e0
[  517.413016]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  517.417908]  ? trace_hardirqs_on_caller+0x310/0x310
[  517.423020]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  517.428046]  ? prepare_exit_to_usermode+0x291/0x3b0
[  517.433073]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  517.437929]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  517.443311] warn_alloc_show_mem: 1 callbacks suppressed
[  517.443323] CPU: 1 PID: 11390 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  517.443325] Mem-Info:
[  517.443356] active_anon:122480 inactive_anon:112 isolated_anon:0
[  517.443356]  active_file:16 inactive_file:5 isolated_file:0
[  517.443356]  unevictable:0 dirty:0 writeback:0 unstable:0
[  517.443356]  slab_reclaimable:9164 slab_unreclaimable:1399977
[  517.443356]  mapped:40962 shmem:118 pagetables:796 bounce:0
[  517.443356]  free:13728 free_pcp:0 free_cma:0
[  517.448699] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  517.448708] Call Trace:
[  517.456086] Node 0 active_anon:489920kB inactive_anon:448kB active_file:64kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:472kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 471040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  517.458491]  <IRQ>
[  517.491284] Node 0 
[  517.500668]  dump_stack+0x1c4/0x2b4
[  517.503251] 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
[  517.530740]  ? dump_stack_print_info.cold.2+0x52/0x52
[  517.532875] lowmem_reserve[]:
[  517.535212]  warn_alloc.cold.119+0xb7/0x1bd
[  517.538809]  0
[  517.564330]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  517.569504]  2813
[  517.572622]  ? lock_downgrade+0x900/0x900
[  517.576912]  6317
[  517.578727]  ? trace_hardirqs_off+0xb8/0x310
[  517.583533]  6317
[  517.585598]  ? trace_hardirqs_off+0xb8/0x310
[  517.589721] Node 0 
[  517.591796]  __alloc_pages_slowpath+0x2667/0x2d80
[  517.596201] DMA32 free:25276kB min:30028kB low:37532kB high:45036kB active_anon:12288kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2884608kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  517.598265]  ? warn_alloc+0x120/0x120
[  517.602620] lowmem_reserve[]: 0
[  517.604871]  ? __bfs+0xb0/0x7a0
[  517.609693]  0
[  517.636604]  ? lock_pin_lock+0x350/0x350
[  517.640398]  3503 3503
[  517.643685]  ? warn_alloc+0x120/0x120
[  517.646958] Node 0 
[  517.648757]  ? print_usage_bug+0xc0/0xc0
[  517.652821] Normal free:13728kB min:37384kB low:46728kB high:56072kB active_anon:477632kB inactive_anon:448kB active_file:64kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3587276kB mlocked:0kB kernel_stack:5408kB pagetables:3184kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  517.655287]  ? lock_pin_lock+0x350/0x350
[  517.655309]  ? mark_held_locks+0x130/0x130
[  517.659091] lowmem_reserve[]: 0
[  517.661336]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  517.665380]  0
[  517.693418]  ? should_fail+0x22d/0xd01
[  517.697452]  0
[  517.701682]  ? check_usage+0x1a9/0x790
[  517.704931]  0
[  517.710487]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  517.710506]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  517.712303] Node 0 
[  517.716226]  ? __lock_acquire+0x7ec/0x4ec0
[  517.718012] DMA: 
[  517.721899]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  517.723678] 1*4kB 
[  517.728861]  ? should_fail+0x22d/0xd01
[  517.733943] (U) 
[  517.736187]  ? mark_held_locks+0x130/0x130
[  517.740413] 0*8kB 
[  517.742470]  ? mark_held_locks+0x130/0x130
[  517.747554] 0*16kB 
[  517.749699]  ? graph_lock+0x170/0x170
[  517.753561] 1*32kB 
[  517.755530]  ? graph_lock+0x170/0x170
[  517.759757] (U) 
[  517.761910]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  517.766118] 2*64kB 
[  517.768354]  ? check_preemption_disabled+0x48/0x200
[  517.772128] (U) 
[  517.774388]  ? check_preemption_disabled+0x48/0x200
[  517.778165] 1*128kB 
[  517.780148]  ? __lock_is_held+0xb5/0x140
[  517.785655] (U) 
[  517.787891]  __alloc_pages_nodemask+0xa80/0xde0
[  517.792879] 1*256kB 
[  517.794858]  ? graph_lock+0x170/0x170
[  517.799861] (U) 
[  517.802202]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  517.806242] 0*512kB 
[  517.808216]  ? graph_lock+0x170/0x170
[  517.812861] 1*1024kB 
[  517.815188]  ? find_held_lock+0x36/0x1c0
[  517.818961] (U) 
[  517.820952]  ? ____cache_alloc_node+0x1c7/0x1e0
[  517.825946] 1*2048kB (M) 
[  517.828275]  ? lock_downgrade+0x900/0x900
[  517.832053] 3*4096kB 
[  517.834474]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  517.838521] (M) 
[  517.841074]  cache_grow_begin+0x91/0x8c0
[  517.845729] = 15908kB
[  517.848483]  ? do_raw_spin_unlock+0xa7/0x2f0
[  517.852610] Node 0 
[  517.855036]  fallback_alloc+0x203/0x2e0
[  517.860551] DMA32: 
[  517.862527]  ____cache_alloc_node+0x1c7/0x1e0
[  517.866565] 5*4kB 
[  517.868973]  kmem_cache_alloc_node+0xe3/0x730
[  517.873356] (UM) 
[  517.875598]  ? mark_held_locks+0xc7/0x130
[  517.879547] 1*8kB 
[  517.881802]  __alloc_skb+0x119/0x770
[  517.886268] (U) 
[  517.888434]  ? skb_scrub_packet+0x490/0x490
[  517.892924] 4*16kB 
[  517.894989]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  517.899132] (UM) 
[  517.901289]  ? queue_work_on+0x12c/0x1e0
[  517.904975] 3*32kB 
[  517.906949]  ? switchdev_port_obj_del+0xdc/0x450
[  517.911243] (UM) 
[  517.913481]  ? switchdev_trans_item_enqueue+0x260/0x260
[  517.918035] 4*64kB (M) 
[  517.920104]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  517.924138] 4*128kB (UM) 
[  517.926393]  __br_mdb_notify+0x4ff/0x15d0
[  517.931120] 3*256kB (M) 
[  517.933198]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  517.938537] 4*512kB (UM) 
[  517.941153]  ? __br_mdb_add+0x800/0x800
[  517.946163] 3*1024kB 
[  517.948931]  ? kasan_check_write+0x14/0x20
[  517.953056] (UM) 
[  517.955726]  ? do_raw_spin_lock+0xc1/0x200
[  517.960822] 3*2048kB 
[  517.963614]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  517.967560] (UM) 
[  517.969969]  ? debug_object_assert_init+0x368/0x4b0
[  517.974180] 3*4096kB 
[  517.976240]  ? debug_object_init_on_stack+0x20/0x20
[  517.980452] (M) 
[  517.982861]  ? graph_lock+0x170/0x170
[  517.987940] = 25276kB
[  517.990005]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  517.995011] Node 0 
[  517.997424]  br_mdb_notify+0x310/0x410
[  518.002418] Normal: 
[  518.004399]  ? br_mdb_dump+0x2530/0x2530
[  518.008176] 1058*4kB 
[  518.010596]  br_multicast_del_pg+0x3df/0x790
[  518.016096] (UMEH) 
[  518.018355]  ? br_mdb_ip_get+0x940/0x940
[  518.022285] 417*8kB 
[  518.024607]  ? kasan_check_write+0x14/0x20
[  518.028647] (UMEH) 
[  518.031060]  ? do_raw_spin_lock+0xc1/0x200
[  518.035447] 179*16kB 
[  518.037688]  br_multicast_port_group_expired+0x189/0x1e0
[  518.041723] (UME) 
[  518.044050]  call_timer_fn+0x272/0x920
[  518.048258] 63*32kB 
[  518.050490]  ? br_multicast_del_pg+0x790/0x790
[  518.054695] (UMEH) 21*64kB 
[  518.057121]  ? process_timeout+0x40/0x40
[  518.062554] (UMH) 
[  518.064726]  ? find_held_lock+0x36/0x1c0
[  518.068596] 2*128kB 
[  518.070929]  ? __run_timers+0x7da/0xc70
[  518.075486] (MH) 
[  518.078806]  ? _raw_spin_unlock_irq+0x27/0x80
[  518.082861] 0*256kB 
[  518.085036]  ? _raw_spin_unlock_irq+0x27/0x80
[  518.089090] 0*512kB 0*1024kB 
[  518.091429]  ? br_multicast_del_pg+0x790/0x790
[  518.095384] 0*2048kB 
[  518.097450]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  518.101920] 0*4096kB 
[  518.104243]  ? trace_hardirqs_on+0xbd/0x310
[  518.108731] = 14048kB
[  518.111831]  ? kasan_check_read+0x11/0x20
[  518.116403] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  518.118804]  ? __run_timers+0x7da/0xc70
[  518.123367] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  518.125798]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  518.130094] 164 total pagecache pages
[  518.132503]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  518.136638] 0 pages in swap cache
[  518.145468]  ? br_multicast_del_pg+0x790/0x790
[  518.149416] Swap cache stats: add 0, delete 0, find 0/0
[  518.149428] Free swap  = 0kB
[  518.158007]  __run_timers+0x7e5/0xc70
[  518.163453] Total swap = 0kB
[  518.167258]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  518.171461] 1965979 pages RAM
[  518.174911]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  518.179464] 0 pages HighMem/MovableOnly
[  518.179473] 344031 pages reserved
[  518.184834]  ? graph_lock+0x170/0x170
[  518.187834] 0 pages cma reserved
[  518.191629]  ? enqueue_hrtimer+0x1a5/0x560
[  518.194725] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  518.199985]  ? lock_release+0x970/0x970
[  518.200002]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  518.200025]  ? find_held_lock+0x36/0x1c0
[  518.203174] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  518.208130]  ? graph_lock+0x170/0x170
[  518.212086] syz-executor4 cpuset=
[  518.215569]  ? pvclock_read_flags+0x160/0x160
[  518.219366] syz4
[  518.222742]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  518.226953]  mems_allowed=0
[  518.233439]  ? check_preemption_disabled+0x48/0x200
[  518.284258]  ? __lock_is_held+0xb5/0x140
[  518.288350]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  518.293906]  ? check_preemption_disabled+0x48/0x200
[  518.298940]  run_timer_softirq+0x52/0xb0
[  518.303005]  ? rcu_read_lock_sched_held+0x108/0x120
[  518.308046]  __do_softirq+0x30b/0xad8
[  518.311864]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  518.316978]  ? pvclock_read_flags+0x160/0x160
[  518.321478]  ? lapic_next_event+0x5a/0x90
[  518.325633]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  518.331175]  ? check_preemption_disabled+0x48/0x200
[  518.336194]  ? check_preemption_disabled+0x48/0x200
[  518.341220]  ? kvm_clock_read+0x18/0x30
[  518.345199]  ? kvm_sched_clock_read+0x9/0x20
[  518.349634]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  518.355179]  ? check_preemption_disabled+0x48/0x200
[  518.360214]  irq_exit+0x17f/0x1c0
[  518.363675]  smp_apic_timer_interrupt+0x1cb/0x760
[  518.368740]  ? smp_reschedule_interrupt+0x109/0x650
[  518.373765]  ? smp_call_function_single_interrupt+0x650/0x650
[  518.379656]  ? interrupt_entry+0xb5/0xf0
[  518.383728]  ? trace_hardirqs_off_caller+0xbb/0x310
[  518.388750]  ? trace_hardirqs_off_caller+0xbb/0x310
[  518.393798]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  518.399381]  ? trace_hardirqs_on_caller+0x310/0x310
[  518.404412]  ? trace_hardirqs_on_caller+0x310/0x310
[  518.409455]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  518.415005]  ? check_preemption_disabled+0x48/0x200
[  518.420046]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  518.425602]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  518.430462]  apic_timer_interrupt+0xf/0x20
[  518.434699]  </IRQ>
[  518.436943] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  518.441878] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  518.460791] RSP: 0000:ffff8801866cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  518.468516] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  518.475815] RDX: 0000000000000000 RSI: ffff8801ce554f00 RDI: 0000000000000286
[  518.483094] RBP: ffff8801866cf7b0 R08: ffff8801ce554680 R09: 0000000000000000
[  518.490379] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  518.498160] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  518.505489]  skb_clone+0x1bb/0x500
[  518.509046]  ? finish_task_switch+0x2f5/0x900
[  518.513551]  ? skb_split+0x11e0/0x11e0
[  518.517446]  ? preempt_notifier_register+0x200/0x200
[  518.522560]  ? __switch_to_asm+0x34/0x70
[  518.526630]  ? __switch_to_asm+0x34/0x70
[  518.530697]  ? __switch_to_asm+0x40/0x70
[  518.534766]  ? __switch_to_asm+0x34/0x70
[  518.538834]  ? __switch_to_asm+0x40/0x70
[  518.542899]  ? __switch_to_asm+0x34/0x70
[  518.546982]  ? __switch_to_asm+0x40/0x70
[  518.551050]  ? __switch_to_asm+0x34/0x70
[  518.555117]  ? __switch_to_asm+0x34/0x70
[  518.559202]  ? __switch_to_asm+0x40/0x70
[  518.563265]  ? __switch_to_asm+0x34/0x70
[  518.567356]  bpf_clone_redirect+0xb9/0x490
[  518.571627]  ? __schedule+0x874/0x1ed0
[  518.575533]  bpf_prog_3d1649e183dc2cc1+0x379/0x1000
[  518.580554]  ? __sched_text_start+0x8/0x8
[  518.584717]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  518.589510]  ? find_held_lock+0x36/0x1c0
[  518.593583]  ? lock_acquire+0x1ed/0x520
[  518.597565]  ? bpf_test_run+0x32e/0x5a0
[  518.601545]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  518.607087]  ? check_preemption_disabled+0x48/0x200
[  518.612284]  ? kasan_check_read+0x11/0x20
[  518.616440]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  518.621723]  ? rcu_bh_qs+0xc0/0xc0
[  518.625269]  ? preempt_schedule+0x4d/0x60
[  518.629424]  ? ___preempt_schedule+0x16/0x18
[  518.633850]  ? bpf_test_run+0x1c0/0x5a0
[  518.637841]  ? netlink_diag_dump+0x2a0/0x2a0
[  518.642258]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  518.647799]  ? bpf_test_init.isra.9+0x70/0x100
[  518.652399]  ? bpf_prog_test_run_skb+0x634/0xb40
[  518.657174]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  518.662038]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  518.667598]  ? fput+0x130/0x1a0
[  518.670882]  ? __bpf_prog_get+0x9b/0x290
[  518.674954]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  518.679798]  ? bpf_prog_test_run+0x130/0x1a0
[  518.684212]  ? __x64_sys_bpf+0x3d8/0x510
[  518.688275]  ? bpf_prog_get+0x20/0x20
[  518.692101]  ? do_syscall_64+0x1b9/0x820
[  518.696172]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  518.701543]  ? syscall_return_slowpath+0x5e0/0x5e0
[  518.706475]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  518.711367]  ? trace_hardirqs_on_caller+0x310/0x310
[  518.716408]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  518.721433]  ? prepare_exit_to_usermode+0x291/0x3b0
[  518.726463]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  518.731349]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  518.736748] CPU: 0 PID: 11399 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  518.737584] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  518.744134] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  518.754610] syz-executor4 cpuset=
[  518.763971] Call Trace:
[  518.763982] syz4
[  518.767424]  <IRQ>
[  518.770001]  mems_allowed=0
[  518.771990]  dump_stack+0x1c4/0x2b4
[  518.780670]  ? dump_stack_print_info.cold.2+0x52/0x52
[  518.785879]  warn_alloc.cold.119+0xb7/0x1bd
[  518.790206]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  518.795057]  ? lock_downgrade+0x900/0x900
[  518.799217]  ? trace_hardirqs_off+0xb8/0x310
[  518.803643]  ? trace_hardirqs_off+0xb8/0x310
[  518.808065]  __alloc_pages_slowpath+0x2667/0x2d80
[  518.812945]  ? warn_alloc+0x120/0x120
[  518.816769]  ? lock_release+0x970/0x970
[  518.820750]  ? warn_alloc+0x120/0x120
[  518.824558]  ? print_usage_bug+0xc0/0xc0
[  518.828649]  ? warn_alloc+0x120/0x120
[  518.832463]  ? print_usage_bug+0xc0/0xc0
[  518.836554]  ? __lock_acquire+0x7ec/0x4ec0
[  518.840805]  ? __lock_acquire+0x7ec/0x4ec0
[  518.845053]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  518.850603]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  518.856178]  ? should_fail+0x22d/0xd01
[  518.860080]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  518.865192]  ? __lock_acquire+0x7ec/0x4ec0
[  518.869437]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  518.874547]  ? __lock_acquire+0x7ec/0x4ec0
[  518.878787]  ? should_fail+0x22d/0xd01
[  518.882694]  ? mark_held_locks+0x130/0x130
[  518.886936]  ? mark_held_locks+0x130/0x130
[  518.891179]  ? graph_lock+0x170/0x170
[  518.894987]  ? print_usage_bug+0xc0/0xc0
[  518.899051]  ? graph_lock+0x170/0x170
[  518.902854]  ? print_usage_bug+0xc0/0xc0
[  518.906920]  ? wq_watchdog_touch+0x9c/0xfe
[  518.911161]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  518.916715]  ? check_preemption_disabled+0x48/0x200
[  518.921749]  ? check_preemption_disabled+0x48/0x200
[  518.926792]  ? __lock_is_held+0xb5/0x140
[  518.930867]  __alloc_pages_nodemask+0xa80/0xde0
[  518.935560]  ? graph_lock+0x170/0x170
[  518.939379]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  518.944404]  ? graph_lock+0x170/0x170
[  518.948237]  ? find_held_lock+0x36/0x1c0
[  518.952409]  ? ____cache_alloc_node+0x1c7/0x1e0
[  518.957090]  ? lock_downgrade+0x900/0x900
[  518.961265]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  518.966828]  cache_grow_begin+0x91/0x8c0
[  518.970898]  ? do_raw_spin_unlock+0xa7/0x2f0
[  518.975320]  fallback_alloc+0x203/0x2e0
[  518.979306]  ____cache_alloc_node+0x1c7/0x1e0
[  518.983815]  kmem_cache_alloc_node+0xe3/0x730
[  518.988315]  ? ipv6_get_ifaddr+0x42e/0x620
[  518.992568]  __alloc_skb+0x119/0x770
[  518.996285]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  519.001568]  ? skb_scrub_packet+0x490/0x490
[  519.005895]  ? lock_downgrade+0x900/0x900
[  519.010054]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  519.015599]  ? refcount_sub_and_test_checked+0x203/0x310
[  519.021062]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  519.026522]  ? addrconf_rs_timer+0x6f0/0x6f0
[  519.030946]  ndisc_alloc_skb+0x144/0x340
[  519.035015]  ndisc_send_rs+0x331/0x6e0
[  519.038915]  addrconf_rs_timer+0x3c0/0x6f0
[  519.043158]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  519.047422]  call_timer_fn+0x272/0x920
[  519.051315]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  519.055552]  ? process_timeout+0x40/0x40
[  519.059615]  ? find_held_lock+0x36/0x1c0
[  519.063695]  ? __run_timers+0x7da/0xc70
[  519.067680]  ? _raw_spin_unlock_irq+0x27/0x80
[  519.072179]  ? _raw_spin_unlock_irq+0x27/0x80
[  519.076681]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  519.080924]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  519.085513]  ? trace_hardirqs_on+0xbd/0x310
[  519.089836]  ? kasan_check_read+0x11/0x20
[  519.094006]  ? __run_timers+0x7da/0xc70
[  519.097984]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  519.103443]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  519.107789]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  519.112029]  __run_timers+0x7e5/0xc70
[  519.115867]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  519.121240]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  519.126261]  ? graph_lock+0x170/0x170
[  519.130087]  ? enqueue_hrtimer+0x1a5/0x560
[  519.134322]  ? lock_release+0x970/0x970
[  519.138300]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  519.143501]  ? find_held_lock+0x36/0x1c0
[  519.147573]  ? graph_lock+0x170/0x170
[  519.151387]  ? pvclock_read_flags+0x160/0x160
[  519.155889]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  519.161427]  ? check_preemption_disabled+0x48/0x200
[  519.166457]  ? __lock_is_held+0xb5/0x140
[  519.170523]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  519.176062]  ? check_preemption_disabled+0x48/0x200
[  519.181091]  run_timer_softirq+0x52/0xb0
[  519.185155]  ? rcu_read_lock_sched_held+0x108/0x120
[  519.190181]  __do_softirq+0x30b/0xad8
[  519.193993]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  519.199113]  ? pvclock_read_flags+0x160/0x160
[  519.203613]  ? lapic_next_event+0x5a/0x90
[  519.207770]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  519.213314]  ? check_preemption_disabled+0x48/0x200
[  519.218332]  ? check_preemption_disabled+0x48/0x200
[  519.223385]  ? kvm_clock_read+0x18/0x30
[  519.227365]  ? kvm_sched_clock_read+0x9/0x20
[  519.231793]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  519.237680]  ? check_preemption_disabled+0x48/0x200
[  519.242712]  irq_exit+0x17f/0x1c0
[  519.246172]  smp_apic_timer_interrupt+0x1cb/0x760
[  519.251018]  ? smp_reschedule_interrupt+0x109/0x650
[  519.256045]  ? smp_call_function_single_interrupt+0x650/0x650
[  519.261936]  ? interrupt_entry+0xb5/0xf0
[  519.266019]  ? trace_hardirqs_off_caller+0xbb/0x310
[  519.271050]  ? trace_hardirqs_off_caller+0xbb/0x310
[  519.276075]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  519.280929]  ? trace_hardirqs_on_caller+0x310/0x310
[  519.285968]  ? trace_hardirqs_on_caller+0x310/0x310
[  519.291038]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  519.296584]  ? check_preemption_disabled+0x48/0x200
[  519.301607]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  519.307205]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  519.312071]  apic_timer_interrupt+0xf/0x20
[  519.316319]  </IRQ>
[  519.318576] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  519.323522] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  519.342437] RSP: 0000:ffff8801ba62f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  519.350154] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  519.357431] RDX: 0000000000000000 RSI: ffff8801b881aa80 RDI: 0000000000000286
[  519.364708] RBP: ffff8801ba62f7b0 R08: ffff8801b881a200 R09: 0000000000000000
[  519.372197] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  519.379469] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  519.386820]  skb_clone+0x1bb/0x500
[  519.390386]  ? finish_task_switch+0x1b5/0x900
[  519.394891]  ? skb_split+0x11e0/0x11e0
[  519.398790]  ? preempt_notifier_register+0x200/0x200
[  519.403899]  ? __switch_to_asm+0x34/0x70
[  519.407966]  ? __switch_to_asm+0x34/0x70
[  519.412033]  ? __switch_to_asm+0x40/0x70
[  519.416118]  ? __switch_to_asm+0x34/0x70
[  519.420190]  ? __switch_to_asm+0x40/0x70
[  519.424257]  ? __switch_to_asm+0x34/0x70
[  519.428324]  ? __switch_to_asm+0x40/0x70
[  519.432402]  ? __switch_to_asm+0x34/0x70
[  519.436480]  ? __switch_to_asm+0x34/0x70
[  519.440553]  ? __switch_to_asm+0x40/0x70
[  519.444617]  ? __switch_to_asm+0x34/0x70
[  519.448694]  bpf_clone_redirect+0xb9/0x490
[  519.452936]  ? __schedule+0x874/0x1ed0
[  519.456832]  bpf_prog_3d1649e183dc2cc1+0xcce/0x1000
[  519.461854]  ? __sched_text_start+0x8/0x8
[  519.466009]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  519.470778]  ? find_held_lock+0x36/0x1c0
[  519.474851]  ? lock_acquire+0x1ed/0x520
[  519.478830]  ? bpf_test_run+0x32e/0x5a0
[  519.482811]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  519.488350]  ? check_preemption_disabled+0x48/0x200
[  519.493389]  ? kasan_check_read+0x11/0x20
[  519.497548]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  519.502849]  ? rcu_bh_qs+0xc0/0xc0
[  519.506402]  ? preempt_schedule+0x4d/0x60
[  519.510558]  ? ___preempt_schedule+0x16/0x18
[  519.514977]  ? bpf_test_run+0x1c0/0x5a0
[  519.518967]  ? netlink_diag_dump+0x2a0/0x2a0
[  519.523389]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  519.528950]  ? bpf_test_init.isra.9+0x70/0x100
[  519.533556]  ? bpf_prog_test_run_skb+0x634/0xb40
[  519.538327]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  519.543171]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  519.548711]  ? fput+0x130/0x1a0
[  519.551997]  ? __bpf_prog_get+0x9b/0x290
[  519.556089]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  519.560953]  ? bpf_prog_test_run+0x130/0x1a0
[  519.565383]  ? __x64_sys_bpf+0x3d8/0x510
[  519.569481]  ? bpf_prog_get+0x20/0x20
[  519.573312]  ? do_syscall_64+0x1b9/0x820
[  519.577386]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  519.582757]  ? syscall_return_slowpath+0x5e0/0x5e0
[  519.587689]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  519.592544]  ? trace_hardirqs_on_caller+0x310/0x310
[  519.597565]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  519.602605]  ? prepare_exit_to_usermode+0x291/0x3b0
[  519.607658]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  519.612514]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  519.617895] warn_alloc_show_mem: 1 callbacks suppressed
[  519.617907] CPU: 1 PID: 11390 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  519.617909] Mem-Info:
[  519.617941] active_anon:122480 inactive_anon:112 isolated_anon:0
[  519.617941]  active_file:16 inactive_file:5 isolated_file:0
[  519.617941]  unevictable:0 dirty:0 writeback:0 unstable:0
[  519.617941]  slab_reclaimable:9164 slab_unreclaimable:1399977
[  519.617941]  mapped:40962 shmem:118 pagetables:796 bounce:0
[  519.617941]  free:13728 free_pcp:0 free_cma:0
[  519.623284] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  519.630657] Node 0 active_anon:489920kB inactive_anon:448kB active_file:64kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:472kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 471040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  519.633052] Call Trace:
[  519.666095] Node 0 
[  519.675441]  <IRQ>
[  519.702971] 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
[  519.705627]  dump_stack+0x1c4/0x2b4
[  519.707832] lowmem_reserve[]: 0
[  519.709996]  ? dump_stack_print_info.cold.2+0x52/0x52
[  519.735564]  2813 6317
[  519.739227]  warn_alloc.cold.119+0xb7/0x1bd
[  519.742474]  6317
[  519.747671]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  519.750147] Node 0 
[  519.754482]  ? lock_downgrade+0x900/0x900
[  519.756539] DMA32 free:25276kB min:30028kB low:37532kB high:45036kB active_anon:12288kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2884608kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  519.761363]  ? trace_hardirqs_off+0xb8/0x310
[  519.763568] lowmem_reserve[]:
[  519.767740]  ? trace_hardirqs_off+0xb8/0x310
[  519.794618]  0
[  519.799046]  __alloc_pages_slowpath+0x2667/0x2d80
[  519.802111]  0
[  519.806548]  ? warn_alloc+0x120/0x120
[  519.808299]  3503 3503
[  519.813182]  ? warn_alloc+0x120/0x120
[  519.814975] Node 0 
[  519.818775]  ? print_usage_bug+0xc0/0xc0
[  519.821276] Normal free:13728kB min:37384kB low:46728kB high:56072kB active_anon:477632kB inactive_anon:448kB active_file:64kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3587276kB mlocked:0kB kernel_stack:5408kB pagetables:3184kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  519.825044]  ? warn_alloc+0x120/0x120
[  519.827250] lowmem_reserve[]: 0
[  519.831319]  ? print_usage_bug+0xc0/0xc0
[  519.859310]  0 0
[  519.863122]  ? check_usage+0x2c4/0x790
[  519.866370]  0
[  519.870451]  ? clockevents_program_event+0x158/0x370
[  519.872402] Node 0 
[  519.876286]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  519.878082] DMA: 
[  519.883187]  ? should_fail+0x22d/0xd01
[  519.885406] 1*4kB 
[  519.890963]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  519.893013] (U) 
[  519.896923]  ? __lock_acquire+0x7ec/0x4ec0
[  519.899053] 0*8kB 
[  519.904158]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  519.906110] 0*16kB 
[  519.910347]  ? should_fail+0x22d/0xd01
[  519.912480] 1*32kB 
[  519.917597]  ? lockdep_on+0x50/0x50
[  519.919810] (U) 
[  519.923701]  ? mark_held_locks+0x130/0x130
[  519.925909] 2*64kB 
[  519.929540]  ? mark_held_locks+0x130/0x130
[  519.931494] (U) 
[  519.935728]  ? print_usage_bug+0xc0/0xc0
[  519.937945] 1*128kB 
[  519.942185]  ? find_held_lock+0x36/0x1c0
[  519.944134] (U) 
[  519.948205]  ? graph_lock+0x170/0x170
[  519.950506] 1*256kB 
[  519.954567]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  519.956515] (U) 
[  519.960311]  ? check_preemption_disabled+0x48/0x200
[  519.962610] 0*512kB 
[  519.968148]  ? check_preemption_disabled+0x48/0x200
[  519.970095] 1*1024kB 
[  519.975120]  ? __lock_is_held+0xb5/0x140
[  519.977413] (U) 
[  519.982433]  __alloc_pages_nodemask+0xa80/0xde0
[  519.984810] 1*2048kB (M) 
[  519.988877]  ? graph_lock+0x170/0x170
[  519.990830] 3*4096kB 
[  519.995494]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  519.998230] (M) 
[  520.002025]  ? graph_lock+0x170/0x170
[  520.004414] = 15908kB
[  520.009433]  ? find_held_lock+0x36/0x1c0
[  520.011400] Node 0 
[  520.015206]  ? ____cache_alloc_node+0x1c7/0x1e0
[  520.017587] DMA32: 
[  520.021642]  ? lock_downgrade+0x900/0x900
[  520.023861] 5*4kB 
[  520.028531]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  520.030740] (UM) 
[  520.034886]  cache_grow_begin+0x91/0x8c0
[  520.037011] 1*8kB 
[  520.042544]  ? do_raw_spin_unlock+0xa7/0x2f0
[  520.044602] (U) 
[  520.048662]  fallback_alloc+0x203/0x2e0
[  520.050797] 4*16kB (UM) 
[  520.055218]  ____cache_alloc_node+0x1c7/0x1e0
[  520.057167] 3*32kB 
[  520.061158]  kmem_cache_alloc_node+0xe3/0x730
[  520.063802] (UM) 
[  520.068293]  ? mark_held_locks+0xc7/0x130
[  520.070509] 4*64kB 
[  520.075008]  __alloc_skb+0x119/0x770
[  520.077039] (M) 
[  520.081185]  ? skb_scrub_packet+0x490/0x490
[  520.083403] 4*128kB 
[  520.087138]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  520.089087] (UM) 
[  520.093413]  ? queue_work_on+0x12c/0x1e0
[  520.095713] 3*256kB 
[  520.100305]  ? switchdev_port_obj_del+0xdc/0x450
[  520.102340] (M) 
[  520.106406]  ? switchdev_trans_item_enqueue+0x260/0x260
[  520.108707] 4*512kB 
[  520.113460]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  520.115412] (UM) 
[  520.120884]  __br_mdb_notify+0x4ff/0x15d0
[  520.123182] 3*1024kB 
[  520.128195]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  520.130234] (UM) 
[  520.134393]  ? __br_mdb_add+0x800/0x800
[  520.136772] 3*2048kB 
[  520.141869]  ? kasan_check_write+0x14/0x20
[  520.143907] (UM) 
[  520.147879]  ? do_raw_spin_lock+0xc1/0x200
[  520.150268] 3*4096kB 
[  520.154501]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  520.156539] (M) 
[  520.160770]  ? debug_object_assert_init+0x368/0x4b0
[  520.163157] = 25276kB
[  520.168262]  ? debug_object_init_on_stack+0x20/0x20
[  520.170264] Node 0 
[  520.175292]  ? graph_lock+0x170/0x170
[  520.177680] Normal: 
[  520.182694]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  520.184909] 1058*4kB 
[  520.188711]  br_mdb_notify+0x310/0x410
[  520.191007] (UMEH) 
[  520.196558]  ? br_mdb_dump+0x2530/0x2530
[  520.198949] 417*8kB 
[  520.202843]  br_multicast_del_pg+0x3df/0x790
[  520.205044] (UMEH) 
[  520.209123]  ? br_mdb_ip_get+0x940/0x940
[  520.211423] 179*16kB 
[  520.215833]  ? kasan_check_write+0x14/0x20
[  520.218045] (UME) 
[  520.222108]  ? do_raw_spin_lock+0xc1/0x200
[  520.224486] 63*32kB (UMEH) 
[  520.228731]  br_multicast_port_group_expired+0x189/0x1e0
[  520.230852] 21*64kB 
[  520.235082]  call_timer_fn+0x272/0x920
[  520.237985] (UMH) 
[  520.243445]  ? br_multicast_del_pg+0x790/0x790
[  520.245748] 2*128kB 
[  520.249642]  ? process_timeout+0x40/0x40
[  520.251768] (MH) 
[  520.256353]  ? find_held_lock+0x36/0x1c0
[  520.258657] 0*256kB 
[  520.262726]  ? __run_timers+0x7da/0xc70
[  520.264758] 0*512kB 
[  520.268824]  ? _raw_spin_unlock_irq+0x27/0x80
[  520.271141] 0*1024kB 0*2048kB 
[  520.275145]  ? _raw_spin_unlock_irq+0x27/0x80
[  520.277434] 0*4096kB 
[  520.281928]  ? br_multicast_del_pg+0x790/0x790
[  520.281946]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  520.285121] = 14048kB
[  520.289621]  ? trace_hardirqs_on+0xbd/0x310
[  520.292017] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  520.296689]  ? kasan_check_read+0x11/0x20
[  520.301256] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  520.303666]  ? __run_timers+0x7da/0xc70
[  520.307957] 164 total pagecache pages
[  520.316794]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  520.320919] 0 pages in swap cache
[  520.329494]  ? br_multicast_del_pg+0x790/0x790
[  520.333449] Swap cache stats: add 0, delete 0, find 0/0
[  520.337449]  ? br_multicast_del_pg+0x790/0x790
[  520.342872] Free swap  = 0kB
[  520.346329]  __run_timers+0x7e5/0xc70
[  520.350878] Total swap = 0kB
[  520.350887] 1965979 pages RAM
[  520.356266]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  520.360810] 0 pages HighMem/MovableOnly
[  520.360820] 344031 pages reserved
[  520.363841]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  520.368134] 0 pages cma reserved
[  520.368213] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  520.371169]  ? graph_lock+0x170/0x170
[  520.374310] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  520.379613]  ? enqueue_hrtimer+0x1a5/0x560
[  520.383581] syz-executor4 cpuset=
[  520.387033]  ? lock_release+0x970/0x970
[  520.392024] syz4
[  520.395395]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  520.401882]  mems_allowed=0
[  520.405700]  ? find_held_lock+0x36/0x1c0
[  520.441899]  ? graph_lock+0x170/0x170
[  520.445706]  ? pvclock_read_flags+0x160/0x160
[  520.450207]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  520.455748]  ? check_preemption_disabled+0x48/0x200
[  520.460780]  ? __lock_is_held+0xb5/0x140
[  520.464849]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  520.470397]  ? check_preemption_disabled+0x48/0x200
[  520.475430]  run_timer_softirq+0x52/0xb0
[  520.479498]  ? rcu_read_lock_sched_held+0x108/0x120
[  520.484520]  __do_softirq+0x30b/0xad8
[  520.488334]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  520.493450]  ? pvclock_read_flags+0x160/0x160
[  520.498425]  ? lapic_next_event+0x5a/0x90
[  520.502589]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  520.508142]  ? check_preemption_disabled+0x48/0x200
[  520.513169]  ? check_preemption_disabled+0x48/0x200
[  520.518186]  ? kvm_clock_read+0x18/0x30
[  520.522158]  ? kvm_sched_clock_read+0x9/0x20
[  520.526572]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  520.532113]  ? check_preemption_disabled+0x48/0x200
[  520.537157]  irq_exit+0x17f/0x1c0
[  520.540618]  smp_apic_timer_interrupt+0x1cb/0x760
[  520.545494]  ? smp_reschedule_interrupt+0x109/0x650
[  520.550524]  ? smp_call_function_single_interrupt+0x650/0x650
[  520.556419]  ? interrupt_entry+0xb5/0xf0
[  520.560489]  ? trace_hardirqs_off_caller+0xbb/0x310
[  520.565508]  ? trace_hardirqs_off_caller+0xbb/0x310
[  520.570533]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  520.575390]  ? trace_hardirqs_on_caller+0x310/0x310
[  520.580414]  ? trace_hardirqs_on_caller+0x310/0x310
[  520.585434]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  520.590975]  ? check_preemption_disabled+0x48/0x200
[  520.595998]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  520.601551]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  520.606411]  apic_timer_interrupt+0xf/0x20
[  520.610644]  </IRQ>
[  520.612890] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  520.617842] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  520.636757] RSP: 0000:ffff8801866cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  520.644502] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  520.651782] RDX: 0000000000000000 RSI: ffff8801ce554f00 RDI: 0000000000000286
[  520.659062] RBP: ffff8801866cf7b0 R08: ffff8801ce554680 R09: 0000000000000000
[  520.666339] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  520.673623] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  520.680944]  skb_clone+0x1bb/0x500
[  520.684495]  ? finish_task_switch+0x2f5/0x900
[  520.689001]  ? skb_split+0x11e0/0x11e0
[  520.693667]  ? preempt_notifier_register+0x200/0x200
[  520.698778]  ? __switch_to_asm+0x34/0x70
[  520.703083]  ? __switch_to_asm+0x34/0x70
[  520.707155]  ? __switch_to_asm+0x40/0x70
[  520.711221]  ? __switch_to_asm+0x34/0x70
[  520.715283]  ? __switch_to_asm+0x40/0x70
[  520.719350]  ? __switch_to_asm+0x34/0x70
[  520.723423]  ? __switch_to_asm+0x40/0x70
[  520.727489]  ? __switch_to_asm+0x34/0x70
[  520.731556]  ? __switch_to_asm+0x34/0x70
[  520.735620]  ? __switch_to_asm+0x40/0x70
[  520.739685]  ? __switch_to_asm+0x34/0x70
[  520.743755]  bpf_clone_redirect+0xb9/0x490
[  520.747995]  ? __schedule+0x874/0x1ed0
[  520.751896]  bpf_prog_3d1649e183dc2cc1+0x379/0x1000
[  520.756917]  ? __sched_text_start+0x8/0x8
[  520.761078]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  520.765851]  ? find_held_lock+0x36/0x1c0
[  520.769923]  ? lock_acquire+0x1ed/0x520
[  520.773903]  ? bpf_test_run+0x32e/0x5a0
[  520.777883]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  520.783423]  ? check_preemption_disabled+0x48/0x200
[  520.788446]  ? kasan_check_read+0x11/0x20
[  520.792600]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  520.797880]  ? rcu_bh_qs+0xc0/0xc0
[  520.801425]  ? preempt_schedule+0x4d/0x60
[  520.805579]  ? ___preempt_schedule+0x16/0x18
[  520.810000]  ? bpf_test_run+0x1c0/0x5a0
[  520.813994]  ? netlink_diag_dump+0x2a0/0x2a0
[  520.818416]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  520.823964]  ? bpf_test_init.isra.9+0x70/0x100
[  520.828559]  ? bpf_prog_test_run_skb+0x634/0xb40
[  520.833344]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  520.838216]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  520.843757]  ? fput+0x130/0x1a0
[  520.847045]  ? __bpf_prog_get+0x9b/0x290
[  520.851113]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  520.855978]  ? bpf_prog_test_run+0x130/0x1a0
[  520.860402]  ? __x64_sys_bpf+0x3d8/0x510
[  520.864473]  ? bpf_prog_get+0x20/0x20
[  520.868320]  ? do_syscall_64+0x1b9/0x820
[  520.872396]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  520.877770]  ? syscall_return_slowpath+0x5e0/0x5e0
[  520.882700]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  520.887552]  ? trace_hardirqs_on_caller+0x310/0x310
[  520.892572]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  520.897595]  ? prepare_exit_to_usermode+0x291/0x3b0
[  520.902623]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  520.907511]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  520.912900] CPU: 0 PID: 11399 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  520.913106] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  520.920275] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  520.930762] syz-executor4 cpuset=
[  520.940104] Call Trace:
[  520.940115] syz4
[  520.943553]  <IRQ>
[  520.946129]  mems_allowed=0
[  520.948132]  dump_stack+0x1c4/0x2b4
[  520.956809]  ? dump_stack_print_info.cold.2+0x52/0x52
[  520.962036]  warn_alloc.cold.119+0xb7/0x1bd
[  520.966363]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  520.971226]  ? lock_downgrade+0x900/0x900
[  520.975398]  ? trace_hardirqs_off+0xb8/0x310
[  520.979829]  ? trace_hardirqs_off+0xb8/0x310
[  520.984255]  __alloc_pages_slowpath+0x2667/0x2d80
[  520.989132]  ? warn_alloc+0x120/0x120
[  520.992948]  ? warn_alloc+0x120/0x120
[  520.996757]  ? print_usage_bug+0xc0/0xc0
[  521.000822]  ? warn_alloc+0x120/0x120
[  521.004625]  ? print_usage_bug+0xc0/0xc0
[  521.008698]  ? __lock_acquire+0x7ec/0x4ec0
[  521.012939]  ? __lock_acquire+0x7ec/0x4ec0
[  521.017179]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  521.022721]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  521.028260]  ? should_fail+0x22d/0xd01
[  521.032159]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  521.037266]  ? __lock_acquire+0x7ec/0x4ec0
[  521.041509]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  521.046613]  ? __lock_acquire+0x7ec/0x4ec0
[  521.050857]  ? should_fail+0x22d/0xd01
[  521.054762]  ? mark_held_locks+0x130/0x130
[  521.059006]  ? mark_held_locks+0x130/0x130
[  521.063246]  ? graph_lock+0x170/0x170
[  521.067055]  ? print_usage_bug+0xc0/0xc0
[  521.071121]  ? graph_lock+0x170/0x170
[  521.074925]  ? print_usage_bug+0xc0/0xc0
[  521.078988]  ? wq_watchdog_touch+0x9c/0xfe
[  521.083229]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  521.088779]  ? check_preemption_disabled+0x48/0x200
[  521.093800]  ? check_preemption_disabled+0x48/0x200
[  521.098832]  ? __lock_is_held+0xb5/0x140
[  521.102904]  __alloc_pages_nodemask+0xa80/0xde0
[  521.107596]  ? graph_lock+0x170/0x170
[  521.111423]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  521.116441]  ? graph_lock+0x170/0x170
[  521.120283]  ? find_held_lock+0x36/0x1c0
[  521.124399]  ? ____cache_alloc_node+0x1c7/0x1e0
[  521.129126]  ? lock_downgrade+0x900/0x900
[  521.133314]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  521.138866]  cache_grow_begin+0x91/0x8c0
[  521.142940]  ? do_raw_spin_unlock+0xa7/0x2f0
[  521.147370]  fallback_alloc+0x203/0x2e0
[  521.151388]  ____cache_alloc_node+0x1c7/0x1e0
[  521.155911]  kmem_cache_alloc_node+0xe3/0x730
[  521.160421]  ? ipv6_get_ifaddr+0x42e/0x620
[  521.164684]  __alloc_skb+0x119/0x770
[  521.168415]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  521.173705]  ? skb_scrub_packet+0x490/0x490
[  521.178042]  ? lock_downgrade+0x900/0x900
[  521.182289]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  521.187847]  ? refcount_sub_and_test_checked+0x203/0x310
[  521.193309]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  521.198764]  ? addrconf_rs_timer+0x6f0/0x6f0
[  521.203190]  ndisc_alloc_skb+0x144/0x340
[  521.207264]  ndisc_send_rs+0x331/0x6e0
[  521.211160]  addrconf_rs_timer+0x3c0/0x6f0
[  521.215410]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  521.219692]  call_timer_fn+0x272/0x920
[  521.223582]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  521.227823]  ? process_timeout+0x40/0x40
[  521.231887]  ? find_held_lock+0x36/0x1c0
[  521.235977]  ? __run_timers+0x7da/0xc70
[  521.239961]  ? _raw_spin_unlock_irq+0x27/0x80
[  521.244471]  ? _raw_spin_unlock_irq+0x27/0x80
[  521.248970]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  521.253208]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  521.257801]  ? trace_hardirqs_on+0xbd/0x310
[  521.262122]  ? kasan_check_read+0x11/0x20
[  521.266277]  ? __run_timers+0x7da/0xc70
[  521.270255]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  521.275719]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  521.279964]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  521.284210]  __run_timers+0x7e5/0xc70
[  521.288051]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  521.293426]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  521.298447]  ? graph_lock+0x170/0x170
[  521.302257]  ? enqueue_hrtimer+0x1a5/0x560
[  521.306493]  ? lock_release+0x970/0x970
[  521.310473]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  521.315682]  ? find_held_lock+0x36/0x1c0
[  521.319751]  ? graph_lock+0x170/0x170
[  521.323558]  ? pvclock_read_flags+0x160/0x160
[  521.328058]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  521.333598]  ? check_preemption_disabled+0x48/0x200
[  521.338656]  ? __lock_is_held+0xb5/0x140
[  521.343425]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  521.348963]  ? check_preemption_disabled+0x48/0x200
[  521.353997]  run_timer_softirq+0x52/0xb0
[  521.358060]  ? rcu_read_lock_sched_held+0x108/0x120
[  521.363102]  __do_softirq+0x30b/0xad8
[  521.367097]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  521.372212]  ? pvclock_read_flags+0x160/0x160
[  521.376710]  ? lapic_next_event+0x5a/0x90
[  521.380862]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  521.386414]  ? check_preemption_disabled+0x48/0x200
[  521.391434]  ? check_preemption_disabled+0x48/0x200
[  521.396463]  ? kvm_clock_read+0x18/0x30
[  521.400445]  ? kvm_sched_clock_read+0x9/0x20
[  521.404861]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  521.410409]  ? check_preemption_disabled+0x48/0x200
[  521.415443]  irq_exit+0x17f/0x1c0
[  521.418901]  smp_apic_timer_interrupt+0x1cb/0x760
[  521.423747]  ? smp_reschedule_interrupt+0x109/0x650
[  521.428772]  ? smp_call_function_single_interrupt+0x650/0x650
[  521.434686]  ? interrupt_entry+0xb5/0xf0
[  521.438759]  ? trace_hardirqs_off_caller+0xbb/0x310
[  521.443778]  ? trace_hardirqs_off_caller+0xbb/0x310
[  521.448809]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  521.453673]  ? trace_hardirqs_on_caller+0x310/0x310
[  521.458691]  ? trace_hardirqs_on_caller+0x310/0x310
[  521.463712]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  521.469254]  ? check_preemption_disabled+0x48/0x200
[  521.474273]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  521.479838]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  521.484714]  apic_timer_interrupt+0xf/0x20
[  521.488955]  </IRQ>
[  521.491203] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  521.496141] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  521.515060] RSP: 0000:ffff8801ba62f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  521.522781] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  521.530050] RDX: 0000000000000000 RSI: ffff8801b881aa80 RDI: 0000000000000286
[  521.537332] RBP: ffff8801ba62f7b0 R08: ffff8801b881a200 R09: 0000000000000000
[  521.544609] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  521.551889] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  521.559246]  skb_clone+0x1bb/0x500
[  521.562801]  ? finish_task_switch+0x1b5/0x900
[  521.567315]  ? skb_split+0x11e0/0x11e0
[  521.571227]  ? preempt_notifier_register+0x200/0x200
[  521.576370]  ? __switch_to_asm+0x34/0x70
[  521.580476]  ? __switch_to_asm+0x34/0x70
[  521.584550]  ? __switch_to_asm+0x40/0x70
[  521.588622]  ? __switch_to_asm+0x34/0x70
[  521.592706]  ? __switch_to_asm+0x40/0x70
[  521.596782]  ? __switch_to_asm+0x34/0x70
[  521.600853]  ? __switch_to_asm+0x40/0x70
[  521.604918]  ? __switch_to_asm+0x34/0x70
[  521.608992]  ? __switch_to_asm+0x34/0x70
[  521.613058]  ? __switch_to_asm+0x40/0x70
[  521.617129]  ? __switch_to_asm+0x34/0x70
[  521.621222]  bpf_clone_redirect+0xb9/0x490
[  521.625471]  ? __schedule+0x874/0x1ed0
[  521.629369]  bpf_prog_3d1649e183dc2cc1+0xcce/0x1000
[  521.634414]  ? __sched_text_start+0x8/0x8
[  521.638576]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  521.643346]  ? find_held_lock+0x36/0x1c0
[  521.647430]  ? lock_acquire+0x1ed/0x520
[  521.651417]  ? bpf_test_run+0x32e/0x5a0
[  521.655428]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  521.660995]  ? check_preemption_disabled+0x48/0x200
[  521.666025]  ? kasan_check_read+0x11/0x20
[  521.670198]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  521.675489]  ? rcu_bh_qs+0xc0/0xc0
[  521.679036]  ? preempt_schedule+0x4d/0x60
[  521.683193]  ? ___preempt_schedule+0x16/0x18
[  521.687617]  ? bpf_test_run+0x1c0/0x5a0
[  521.691617]  ? netlink_diag_dump+0x2a0/0x2a0
[  521.696051]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  521.701625]  ? bpf_test_init.isra.9+0x70/0x100
[  521.706242]  ? bpf_prog_test_run_skb+0x634/0xb40
[  521.711044]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  521.715926]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  521.721487]  ? fput+0x130/0x1a0
[  521.724779]  ? __bpf_prog_get+0x9b/0x290
[  521.728871]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  521.733734]  ? bpf_prog_test_run+0x130/0x1a0
[  521.738150]  ? __x64_sys_bpf+0x3d8/0x510
[  521.742220]  ? bpf_prog_get+0x20/0x20
[  521.746046]  ? do_syscall_64+0x1b9/0x820
[  521.750114]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  521.755487]  ? syscall_return_slowpath+0x5e0/0x5e0
[  521.760422]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  521.765272]  ? trace_hardirqs_on_caller+0x310/0x310
[  521.770296]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  521.775323]  ? prepare_exit_to_usermode+0x291/0x3b0
[  521.780353]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  521.785225]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  521.790626] warn_alloc_show_mem: 1 callbacks suppressed
[  521.790637] CPU: 1 PID: 11390 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  521.790641] Mem-Info:
[  521.790673] active_anon:122480 inactive_anon:112 isolated_anon:0
[  521.790673]  active_file:16 inactive_file:5 isolated_file:0
[  521.790673]  unevictable:0 dirty:0 writeback:0 unstable:0
[  521.790673]  slab_reclaimable:9164 slab_unreclaimable:1399977
[  521.790673]  mapped:40962 shmem:118 pagetables:796 bounce:0
[  521.790673]  free:13728 free_pcp:0 free_cma:0
[  521.796015] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  521.803395] Node 0 active_anon:489920kB inactive_anon:448kB active_file:64kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:472kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 471040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  521.805791] Call Trace:
[  521.838525] Node 0 
[  521.848323]  <IRQ>
[  521.875842] 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
[  521.875852] lowmem_reserve[]:
[  521.878461]  dump_stack+0x1c4/0x2b4
[  521.880748]  0
[  521.882903]  ? dump_stack_print_info.cold.2+0x52/0x52
[  521.908393]  2813 6317
[  521.911557]  warn_alloc.cold.119+0xb7/0x1bd
[  521.915167]  6317
[  521.916992]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  521.922158] Node 0 
[  521.924672]  ? lock_downgrade+0x900/0x900
[  521.929019] DMA32 free:25276kB min:30028kB low:37532kB high:45036kB active_anon:12288kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2884608kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  521.931066]  ? trace_hardirqs_off+0xb8/0x310
[  521.935875] lowmem_reserve[]: 0
[  521.938139]  ? trace_hardirqs_off+0xb8/0x310
[  521.942254]  0
[  521.969171]  __alloc_pages_slowpath+0x2667/0x2d80
[  521.973567]  3503
[  521.976877]  ? warn_alloc+0x120/0x120
[  521.981240]  3503
[  521.983040]  ? warn_alloc+0x120/0x120
[  521.987874] Node 0 
[  521.989942]  ? check_preemption_disabled+0x48/0x200
[  521.993743] Normal free:13728kB min:37384kB low:46728kB high:56072kB active_anon:477632kB inactive_anon:448kB active_file:64kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3587276kB mlocked:0kB kernel_stack:5408kB pagetables:3184kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  521.995781]  ? print_usage_bug+0xc0/0xc0
[  521.999574] lowmem_reserve[]:
[  522.001815]  ? warn_alloc+0x120/0x120
[  522.006813]  0
[  522.035109]  ? print_usage_bug+0xc0/0xc0
[  522.039141]  0 0
[  522.042257]  ? mark_held_locks+0x130/0x130
[  522.046031]  0
[  522.047829]  ? __lock_is_held+0xb5/0x140
[  522.053843]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  522.058052] Node 0 
[  522.059851]  ? should_fail+0x22d/0xd01
[  522.063887] DMA: 
[  522.069427]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  522.071727] 1*4kB 
[  522.075614]  ? __lock_acquire+0x7ec/0x4ec0
[  522.077656] (U) 
[  522.082761]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  522.084886] 0*8kB 
[  522.089144]  ? should_fail+0x22d/0xd01
[  522.091091] 0*16kB 
[  522.096196]  ? mark_held_locks+0x130/0x130
[  522.098318] 1*32kB 
[  522.102215]  ? mark_held_locks+0x130/0x130
[  522.104433] (U) 
[  522.108672]  ? print_usage_bug+0xc0/0xc0
[  522.110888] 2*64kB 
[  522.115125]  ? find_held_lock+0x36/0x1c0
[  522.117072] (U) 
[  522.121140]  ? graph_lock+0x170/0x170
[  522.123370] 1*128kB 
[  522.127458]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  522.129409] (U) 
[  522.133232]  ? check_preemption_disabled+0x48/0x200
[  522.135552] 1*256kB 
[  522.141095]  ? check_preemption_disabled+0x48/0x200
[  522.143072] (U) 
[  522.148119]  ? __lock_is_held+0xb5/0x140
[  522.150403] 0*512kB 1*1024kB 
[  522.155434]  __alloc_pages_nodemask+0xa80/0xde0
[  522.157389] (U) 
[  522.161448]  ? graph_lock+0x170/0x170
[  522.164540] 1*2048kB 
[  522.169215]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  522.171165] (M) 
[  522.174960]  ? graph_lock+0x170/0x170
[  522.174986]  ? find_held_lock+0x36/0x1c0
[  522.177384] 3*4096kB (M) 
[  522.182424]  ? ____cache_alloc_node+0x1c7/0x1e0
[  522.184385] = 15908kB
[  522.184394] Node 0 
[  522.188192]  ? lock_downgrade+0x900/0x900
[  522.192236] DMA32: 
[  522.194991]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  522.199630] 5*4kB 
[  522.202041]  cache_grow_begin+0x91/0x8c0
[  522.204249] (UM) 
[  522.208402]  ? do_raw_spin_unlock+0xa7/0x2f0
[  522.208425]  fallback_alloc+0x203/0x2e0
[  522.210653] 1*8kB 
[  522.216191]  ____cache_alloc_node+0x1c7/0x1e0
[  522.218312] (U) 
[  522.222399]  kmem_cache_alloc_node+0xe3/0x730
[  522.224439] 4*16kB 
[  522.228841]  ? mark_held_locks+0xc7/0x130
[  522.232789] (UM) 
[  522.234958]  __alloc_skb+0x119/0x770
[  522.239422] 3*32kB 
[  522.241407]  ? skb_scrub_packet+0x490/0x490
[  522.245875] (UM) 
[  522.248114]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  522.252240] 4*64kB 
[  522.254310]  ? queue_work_on+0x12c/0x1e0
[  522.258015] (M) 
[  522.260259]  ? switchdev_port_obj_del+0xdc/0x450
[  522.264557] 4*128kB 
[  522.266624]  ? switchdev_trans_item_enqueue+0x260/0x260
[  522.271184] (UM) 
[  522.273423]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  522.277460] 3*256kB 
[  522.279435]  __br_mdb_notify+0x4ff/0x15d0
[  522.284168] (M) 
[  522.286491]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  522.291845] 4*512kB (UM) 
[  522.293924]  ? __br_mdb_add+0x800/0x800
[  522.298908] 3*1024kB 
[  522.301233]  ? kasan_check_write+0x14/0x20
[  522.305351] (UM) 3*2048kB 
[  522.307345]  ? do_raw_spin_lock+0xc1/0x200
[  522.307368]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  522.312453] (UM) 
[  522.315209]  ? debug_object_assert_init+0x368/0x4b0
[  522.319163] 3*4096kB 
[  522.321575]  ? debug_object_init_on_stack+0x20/0x20
[  522.325787] (M) 
[  522.328632]  ? graph_lock+0x170/0x170
[  522.332843] = 25276kB
[  522.332852] Node 0 
[  522.337956]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  522.339984] Normal: 1058*4kB 
[  522.345021]  br_mdb_notify+0x310/0x410
[  522.347411] (UMEH) 
[  522.352437]  ? br_mdb_dump+0x2530/0x2530
[  522.354405] 417*8kB 
[  522.358218]  br_multicast_del_pg+0x3df/0x790
[  522.360598] (UMEH) 
[  522.362838]  ? br_mdb_ip_get+0x940/0x940
[  522.368832] 179*16kB (UME) 
[  522.371960]  ? kasan_check_write+0x14/0x20
[  522.375813] 63*32kB (UMEH) 
[  522.378090]  ? do_raw_spin_lock+0xc1/0x200
[  522.382127] 21*64kB 
[  522.384463]  br_multicast_port_group_expired+0x189/0x1e0
[  522.388838] (UMH) 
[  522.391082]  call_timer_fn+0x272/0x920
[  522.395108] 2*128kB (MH) 
[  522.398055]  ? br_multicast_del_pg+0x790/0x790
[  522.402266] 0*256kB 
[  522.405197]  ? process_timeout+0x40/0x40
[  522.409421] 0*512kB 
[  522.411741]  ? find_held_lock+0x36/0x1c0
[  522.417168] 0*1024kB 
[  522.419323]  ? __run_timers+0x7da/0xc70
[  522.423181] 0*2048kB 
[  522.425939]  ? _raw_spin_unlock_irq+0x27/0x80
[  522.430494] 0*4096kB 
[  522.432819]  ? _raw_spin_unlock_irq+0x27/0x80
[  522.436853] = 14048kB
[  522.439178]  ? br_multicast_del_pg+0x790/0x790
[  522.443222] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  522.445623]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  522.449580] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  522.451980]  ? trace_hardirqs_on+0xbd/0x310
[  522.456451] 164 total pagecache pages
[  522.458860]  ? kasan_check_read+0x11/0x20
[  522.463340] 0 pages in swap cache
[  522.465748]  ? __run_timers+0x7da/0xc70
[  522.470311] Swap cache stats: add 0, delete 0, find 0/0
[  522.479161]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  522.483712] Free swap  = 0kB
[  522.492308]  ? br_multicast_del_pg+0x790/0x790
[  522.496608] Total swap = 0kB
[  522.500869]  ? br_multicast_del_pg+0x790/0x790
[  522.504996] 1965979 pages RAM
[  522.508454]  __run_timers+0x7e5/0xc70
[  522.512405] 0 pages HighMem/MovableOnly
[  522.512414] 344031 pages reserved
[  522.517793]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  522.523209] 0 pages cma reserved
[  522.526229]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  522.530876] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  522.533828]  ? graph_lock+0x170/0x170
[  522.576681]  ? enqueue_hrtimer+0x1a5/0x560
[  522.580922]  ? lock_release+0x970/0x970
[  522.584904]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  522.590109]  ? find_held_lock+0x36/0x1c0
[  522.594192]  ? graph_lock+0x170/0x170
[  522.598005]  ? pvclock_read_flags+0x160/0x160
[  522.602511]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  522.608079]  ? check_preemption_disabled+0x48/0x200
[  522.613119]  ? __lock_is_held+0xb5/0x140
[  522.617192]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  522.622738]  ? check_preemption_disabled+0x48/0x200
[  522.627770]  run_timer_softirq+0x52/0xb0
[  522.631836]  ? rcu_read_lock_sched_held+0x108/0x120
[  522.636856]  __do_softirq+0x30b/0xad8
[  522.640675]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  522.645809]  ? pvclock_read_flags+0x160/0x160
[  522.650309]  ? lapic_next_event+0x5a/0x90
[  522.654464]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  522.660004]  ? check_preemption_disabled+0x48/0x200
[  522.665023]  ? check_preemption_disabled+0x48/0x200
[  522.670050]  ? kvm_clock_read+0x18/0x30
[  522.674035]  ? kvm_sched_clock_read+0x9/0x20
[  522.678451]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  522.684014]  ? check_preemption_disabled+0x48/0x200
[  522.689047]  irq_exit+0x17f/0x1c0
[  522.692510]  smp_apic_timer_interrupt+0x1cb/0x760
[  522.697357]  ? smp_reschedule_interrupt+0x109/0x650
[  522.702398]  ? smp_call_function_single_interrupt+0x650/0x650
[  522.708291]  ? interrupt_entry+0xb5/0xf0
[  522.712360]  ? trace_hardirqs_off_caller+0xbb/0x310
[  522.717399]  ? trace_hardirqs_off_caller+0xbb/0x310
[  522.722428]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  522.727285]  ? trace_hardirqs_on_caller+0x310/0x310
[  522.732312]  ? trace_hardirqs_on_caller+0x310/0x310
[  522.737337]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  522.742882]  ? check_preemption_disabled+0x48/0x200
[  522.747905]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  522.753460]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  522.758316]  apic_timer_interrupt+0xf/0x20
[  522.762550]  </IRQ>
[  522.764796] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  522.769734] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  522.788642] RSP: 0000:ffff8801866cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  522.796363] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  522.803649] RDX: 0000000000000000 RSI: ffff8801ce554f00 RDI: 0000000000000286
[  522.810928] RBP: ffff8801866cf7b0 R08: ffff8801ce554680 R09: 0000000000000000
[  522.818209] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  522.825490] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  522.832821]  skb_clone+0x1bb/0x500
[  522.836370]  ? finish_task_switch+0x2f5/0x900
[  522.840891]  ? skb_split+0x11e0/0x11e0
[  522.844788]  ? preempt_notifier_register+0x200/0x200
[  522.849901]  ? __switch_to_asm+0x34/0x70
[  522.853991]  ? __switch_to_asm+0x34/0x70
[  522.858056]  ? __switch_to_asm+0x40/0x70
[  522.862123]  ? __switch_to_asm+0x34/0x70
[  522.866193]  ? __switch_to_asm+0x40/0x70
[  522.870262]  ? __switch_to_asm+0x34/0x70
[  522.874326]  ? __switch_to_asm+0x40/0x70
[  522.878401]  ? __switch_to_asm+0x34/0x70
[  522.882473]  ? __switch_to_asm+0x34/0x70
[  522.886538]  ? __switch_to_asm+0x40/0x70
[  522.890603]  ? __switch_to_asm+0x34/0x70
[  522.894680]  bpf_clone_redirect+0xb9/0x490
[  522.898926]  ? __schedule+0x874/0x1ed0
[  522.902827]  bpf_prog_3d1649e183dc2cc1+0x379/0x1000
[  522.907860]  ? __sched_text_start+0x8/0x8
[  522.912024]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  522.916825]  ? find_held_lock+0x36/0x1c0
[  522.920910]  ? lock_acquire+0x1ed/0x520
[  522.924898]  ? bpf_test_run+0x32e/0x5a0
[  522.928892]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  522.934447]  ? check_preemption_disabled+0x48/0x200
[  522.939486]  ? kasan_check_read+0x11/0x20
[  522.943650]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  522.948944]  ? rcu_bh_qs+0xc0/0xc0
[  522.952495]  ? preempt_schedule+0x4d/0x60
[  522.956653]  ? ___preempt_schedule+0x16/0x18
[  522.961082]  ? bpf_test_run+0x1c0/0x5a0
[  522.965079]  ? netlink_diag_dump+0x2a0/0x2a0
[  522.969504]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  522.975050]  ? bpf_test_init.isra.9+0x70/0x100
[  522.979646]  ? bpf_prog_test_run_skb+0x634/0xb40
[  522.984428]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  522.989279]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  522.994823]  ? fput+0x130/0x1a0
[  522.998133]  ? __bpf_prog_get+0x9b/0x290
[  523.002213]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  523.007059]  ? bpf_prog_test_run+0x130/0x1a0
[  523.011478]  ? __x64_sys_bpf+0x3d8/0x510
[  523.015548]  ? bpf_prog_get+0x20/0x20
[  523.019388]  ? do_syscall_64+0x1b9/0x820
[  523.023465]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  523.028843]  ? syscall_return_slowpath+0x5e0/0x5e0
[  523.033786]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  523.038647]  ? trace_hardirqs_on_caller+0x310/0x310
[  523.043677]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  523.048705]  ? prepare_exit_to_usermode+0x291/0x3b0
[  523.053736]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  523.058598]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  523.064135] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  523.074642] syz-executor4 cpuset=syz4 mems_allowed=0
[  523.079771] CPU: 0 PID: 11399 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  523.087128] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  523.096486] Call Trace:
[  523.099070]  <IRQ>
[  523.101249]  dump_stack+0x1c4/0x2b4
[  523.104885]  ? dump_stack_print_info.cold.2+0x52/0x52
[  523.110104]  warn_alloc.cold.119+0xb7/0x1bd
[  523.114442]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  523.119295]  ? lock_downgrade+0x900/0x900
[  523.123458]  ? trace_hardirqs_off+0xb8/0x310
[  523.127882]  ? trace_hardirqs_off+0xb8/0x310
[  523.132306]  __alloc_pages_slowpath+0x2667/0x2d80
[  523.137197]  ? warn_alloc+0x120/0x120
[  523.141026]  ? warn_alloc+0x120/0x120
[  523.144831]  ? lock_release+0x970/0x970
[  523.148818]  ? print_usage_bug+0xc0/0xc0
[  523.152890]  ? warn_alloc+0x120/0x120
[  523.156727]  ? print_usage_bug+0xc0/0xc0
[  523.160806]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  523.166349]  ? should_fail+0x22d/0xd01
[  523.170254]  ? clockevents_program_event+0x158/0x370
[  523.175368]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  523.180492]  ? __lock_acquire+0x7ec/0x4ec0
[  523.184736]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  523.189844]  ? should_fail+0x22d/0xd01
[  523.193740]  ? pvclock_read_flags+0x160/0x160
[  523.198255]  ? mark_held_locks+0x130/0x130
[  523.202498]  ? mark_held_locks+0x130/0x130
[  523.206741]  ? print_usage_bug+0xc0/0xc0
[  523.210819]  ? find_held_lock+0x36/0x1c0
[  523.214890]  ? graph_lock+0x170/0x170
[  523.218702]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  523.224268]  ? check_preemption_disabled+0x48/0x200
[  523.229309]  ? check_preemption_disabled+0x48/0x200
[  523.234346]  ? __lock_is_held+0xb5/0x140
[  523.238450]  __alloc_pages_nodemask+0xa80/0xde0
[  523.243161]  ? graph_lock+0x170/0x170
[  523.246999]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  523.252025]  ? graph_lock+0x170/0x170
[  523.255841]  ? find_held_lock+0x36/0x1c0
[  523.260383]  ? ____cache_alloc_node+0x1c7/0x1e0
[  523.265090]  ? lock_downgrade+0x900/0x900
[  523.269267]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  523.274827]  cache_grow_begin+0x91/0x8c0
[  523.278900]  ? do_raw_spin_unlock+0xa7/0x2f0
[  523.283321]  fallback_alloc+0x203/0x2e0
[  523.287308]  ____cache_alloc_node+0x1c7/0x1e0
[  523.291817]  kmem_cache_alloc_node+0xe3/0x730
[  523.296318]  ? mark_held_locks+0xc7/0x130
[  523.300497]  __alloc_skb+0x119/0x770
[  523.304226]  ? skb_scrub_packet+0x490/0x490
[  523.308554]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  523.313147]  ? queue_work_on+0x12c/0x1e0
[  523.317222]  ? switchdev_port_obj_del+0xdc/0x450
[  523.321986]  ? switchdev_trans_item_enqueue+0x260/0x260
[  523.327359]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  523.332482]  ? mod_timer+0x647/0x1440
[  523.336287]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  523.341319]  __br_mdb_notify+0x4ff/0x15d0
[  523.345488]  ? __br_mdb_add+0x800/0x800
[  523.349496]  ? br_multicast_group_expired+0x96/0x610
[  523.354617]  br_mdb_notify+0x310/0x410
[  523.358566]  ? br_mdb_dump+0x2530/0x2530
[  523.362650]  ? do_raw_spin_lock+0x1a7/0x200
[  523.366984]  br_multicast_group_expired+0x1bc/0x610
[  523.372008]  ? br_mdb_free+0x80/0x80
[  523.375744]  call_timer_fn+0x272/0x920
[  523.379671]  ? br_mdb_free+0x80/0x80
[  523.383406]  ? process_timeout+0x40/0x40
[  523.387472]  ? find_held_lock+0x36/0x1c0
[  523.391553]  ? __run_timers+0x7da/0xc70
[  523.395542]  ? _raw_spin_unlock_irq+0x27/0x80
[  523.400050]  ? _raw_spin_unlock_irq+0x27/0x80
[  523.404555]  ? br_mdb_free+0x80/0x80
[  523.408276]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  523.412882]  ? trace_hardirqs_on+0xbd/0x310
[  523.417212]  ? kasan_check_read+0x11/0x20
[  523.421371]  ? __run_timers+0x7da/0xc70
[  523.425369]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  523.430848]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  523.435105]  ? br_mdb_free+0x80/0x80
[  523.438839]  __run_timers+0x7e5/0xc70
[  523.442695]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  523.448089]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  523.453127]  ? graph_lock+0x170/0x170
[  523.456942]  ? enqueue_hrtimer+0x1a5/0x560
[  523.461195]  ? lock_release+0x970/0x970
[  523.465176]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  523.470395]  ? find_held_lock+0x36/0x1c0
[  523.474471]  ? graph_lock+0x170/0x170
[  523.478282]  ? pvclock_read_flags+0x160/0x160
[  523.482787]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  523.488334]  ? check_preemption_disabled+0x48/0x200
[  523.493373]  ? __lock_is_held+0xb5/0x140
[  523.497451]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  523.502995]  ? check_preemption_disabled+0x48/0x200
[  523.508037]  run_timer_softirq+0x52/0xb0
[  523.512106]  ? rcu_read_lock_sched_held+0x108/0x120
[  523.517129]  __do_softirq+0x30b/0xad8
[  523.520956]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  523.526078]  ? pvclock_read_flags+0x160/0x160
[  523.530583]  ? lapic_next_event+0x5a/0x90
[  523.534746]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  523.540289]  ? check_preemption_disabled+0x48/0x200
[  523.545315]  ? check_preemption_disabled+0x48/0x200
[  523.550350]  ? kvm_clock_read+0x18/0x30
[  523.554338]  ? kvm_sched_clock_read+0x9/0x20
[  523.558754]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  523.564299]  ? check_preemption_disabled+0x48/0x200
[  523.569344]  irq_exit+0x17f/0x1c0
[  523.572825]  smp_apic_timer_interrupt+0x1cb/0x760
[  523.577674]  ? smp_reschedule_interrupt+0x109/0x650
[  523.582701]  ? smp_call_function_single_interrupt+0x650/0x650
[  523.588596]  ? interrupt_entry+0xb5/0xf0
[  523.592673]  ? trace_hardirqs_off_caller+0xbb/0x310
[  523.597694]  ? trace_hardirqs_off_caller+0xbb/0x310
[  523.602723]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  523.607587]  ? trace_hardirqs_on_caller+0x310/0x310
[  523.612622]  ? trace_hardirqs_on_caller+0x310/0x310
[  523.617679]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  523.623238]  ? check_preemption_disabled+0x48/0x200
[  523.628265]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  523.633823]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  523.638689]  apic_timer_interrupt+0xf/0x20
[  523.642929]  </IRQ>
[  523.645178] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  523.650121] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  523.669123] RSP: 0000:ffff8801ba62f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  523.676856] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  523.684143] RDX: 0000000000000000 RSI: ffff8801b881aa80 RDI: 0000000000000286
[  523.691424] RBP: ffff8801ba62f7b0 R08: ffff8801b881a200 R09: 0000000000000000
[  523.698705] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  523.705987] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  523.713336]  skb_clone+0x1bb/0x500
[  523.716906]  ? finish_task_switch+0x1b5/0x900
[  523.721426]  ? skb_split+0x11e0/0x11e0
[  523.725330]  ? preempt_notifier_register+0x200/0x200
[  523.730445]  ? __switch_to_asm+0x34/0x70
[  523.734530]  ? __switch_to_asm+0x34/0x70
[  523.738602]  ? __switch_to_asm+0x40/0x70
[  523.742679]  ? __switch_to_asm+0x34/0x70
[  523.746753]  ? __switch_to_asm+0x40/0x70
[  523.750827]  ? __switch_to_asm+0x34/0x70
[  523.754893]  ? __switch_to_asm+0x40/0x70
[  523.758964]  ? __switch_to_asm+0x34/0x70
[  523.763048]  ? __switch_to_asm+0x34/0x70
[  523.767135]  ? __switch_to_asm+0x40/0x70
[  523.771204]  ? __switch_to_asm+0x34/0x70
[  523.775307]  bpf_clone_redirect+0xb9/0x490
[  523.779564]  ? __schedule+0x874/0x1ed0
[  523.783465]  bpf_prog_3d1649e183dc2cc1+0xcce/0x1000
[  523.788489]  ? __sched_text_start+0x8/0x8
[  523.792658]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  523.797458]  ? find_held_lock+0x36/0x1c0
[  523.801541]  ? lock_acquire+0x1ed/0x520
[  523.805520]  ? bpf_test_run+0x32e/0x5a0
[  523.809500]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  523.815040]  ? check_preemption_disabled+0x48/0x200
[  523.820064]  ? kasan_check_read+0x11/0x20
[  523.824221]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  523.829509]  ? rcu_bh_qs+0xc0/0xc0
[  523.833058]  ? preempt_schedule+0x4d/0x60
[  523.837223]  ? ___preempt_schedule+0x16/0x18
[  523.841684]  ? bpf_test_run+0x1c0/0x5a0
[  523.845694]  ? netlink_diag_dump+0x2a0/0x2a0
[  523.850119]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  523.855670]  ? bpf_test_init.isra.9+0x70/0x100
[  523.860269]  ? bpf_prog_test_run_skb+0x634/0xb40
[  523.865065]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  523.869917]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  523.875470]  ? fput+0x130/0x1a0
[  523.878769]  ? __bpf_prog_get+0x9b/0x290
[  523.882849]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  523.887701]  ? bpf_prog_test_run+0x130/0x1a0
[  523.892117]  ? __x64_sys_bpf+0x3d8/0x510
[  523.896185]  ? bpf_prog_get+0x20/0x20
[  523.900018]  ? do_syscall_64+0x1b9/0x820
[  523.904090]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  523.909470]  ? syscall_return_slowpath+0x5e0/0x5e0
[  523.914413]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  523.919281]  ? trace_hardirqs_on_caller+0x310/0x310
[  523.924328]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  523.929360]  ? prepare_exit_to_usermode+0x291/0x3b0
[  523.934416]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  523.939281]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  523.944697] warn_alloc_show_mem: 1 callbacks suppressed
[  523.944703] Mem-Info:
[  523.952511] active_anon:122480 inactive_anon:112 isolated_anon:0
[  523.952511]  active_file:16 inactive_file:5 isolated_file:0
[  523.952511]  unevictable:0 dirty:0 writeback:0 unstable:0
[  523.952511]  slab_reclaimable:9164 slab_unreclaimable:1399977
[  523.952511]  mapped:40962 shmem:118 pagetables:796 bounce:0
[  523.952511]  free:13728 free_pcp:0 free_cma:0
[  523.985289] Node 0 active_anon:489920kB inactive_anon:448kB active_file:64kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:472kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 471040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  524.012799] 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
[  524.038952] lowmem_reserve[]: 0 2813 6317 6317
[  524.043568] Node 0 DMA32 free:25276kB min:30028kB low:37532kB high:45036kB active_anon:12288kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2884608kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  524.071120] lowmem_reserve[]: 0 0 3503 3503
[  524.075479] Node 0 Normal free:13728kB min:37384kB low:46728kB high:56072kB active_anon:477632kB inactive_anon:448kB active_file:64kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3587276kB mlocked:0kB kernel_stack:5408kB pagetables:3184kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  524.104147] lowmem_reserve[]: 0 0 0 0
[  524.107984] 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
[  524.121704] Node 0 DMA32: 5*4kB (UM) 1*8kB (U) 4*16kB (UM) 3*32kB (UM) 4*64kB (M) 4*128kB (UM) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB
[  524.137221] Node 0 Normal: 1058*4kB (UMEH) 417*8kB (UMEH) 179*16kB (UME) 63*32kB (UMEH) 21*64kB (UMH) 2*128kB (MH) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14048kB
[  524.152475] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  524.161332] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  524.169916] 164 total pagecache pages
[  524.173737] 0 pages in swap cache
[  524.177202] Swap cache stats: add 0, delete 0, find 0/0
[  524.182578] Free swap  = 0kB
[  524.185599] Total swap = 0kB
[  524.188618] 1965979 pages RAM
[  524.191723] 0 pages HighMem/MovableOnly
[  524.195698] 344031 pages reserved
[  524.199149] 0 pages cma reserved
[  524.202686] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  524.213197] syz-executor4 cpuset=syz4 mems_allowed=0
[  524.218346] CPU: 1 PID: 11390 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  524.225732] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  524.235096] Call Trace:
[  524.237686]  <IRQ>
[  524.239852]  dump_stack+0x1c4/0x2b4
[  524.243495]  ? dump_stack_print_info.cold.2+0x52/0x52
[  524.248714]  warn_alloc.cold.119+0xb7/0x1bd
[  524.253051]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  524.257949]  ? lock_downgrade+0x900/0x900
[  524.262133]  ? trace_hardirqs_off+0xb8/0x310
[  524.266581]  ? trace_hardirqs_off+0xb8/0x310
[  524.271017]  __alloc_pages_slowpath+0x2667/0x2d80
[  524.275907]  ? warn_alloc+0x120/0x120
[  524.279733]  ? warn_alloc+0x120/0x120
[  524.283549]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  524.289103]  ? print_usage_bug+0xc0/0xc0
[  524.293194]  ? warn_alloc+0x120/0x120
[  524.297012]  ? print_usage_bug+0xc0/0xc0
[  524.301098]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  524.306647]  ? should_fail+0x22d/0xd01
[  524.310539]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  524.315572]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  524.320683]  ? __lock_acquire+0x7ec/0x4ec0
[  524.324929]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  524.330061]  ? should_fail+0x22d/0xd01
[  524.333965]  ? mark_held_locks+0x130/0x130
[  524.338218]  ? mark_held_locks+0x130/0x130
[  524.342467]  ? print_usage_bug+0xc0/0xc0
[  524.346551]  ? find_held_lock+0x36/0x1c0
[  524.350621]  ? graph_lock+0x170/0x170
[  524.354438]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  524.359979]  ? check_preemption_disabled+0x48/0x200
[  524.364998]  ? check_preemption_disabled+0x48/0x200
[  524.370303]  ? __lock_is_held+0xb5/0x140
[  524.374385]  __alloc_pages_nodemask+0xa80/0xde0
[  524.379062]  ? graph_lock+0x170/0x170
[  524.382875]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  524.387895]  ? graph_lock+0x170/0x170
[  524.391718]  ? find_held_lock+0x36/0x1c0
[  524.395797]  ? ____cache_alloc_node+0x1c7/0x1e0
[  524.400561]  ? lock_downgrade+0x900/0x900
[  524.404724]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  524.410298]  cache_grow_begin+0x91/0x8c0
[  524.415068]  ? do_raw_spin_unlock+0xa7/0x2f0
[  524.419491]  fallback_alloc+0x203/0x2e0
[  524.423485]  ____cache_alloc_node+0x1c7/0x1e0
[  524.427993]  kmem_cache_alloc_node+0xe3/0x730
[  524.432514]  ? mark_held_locks+0xc7/0x130
[  524.436684]  __alloc_skb+0x119/0x770
[  524.440416]  ? skb_scrub_packet+0x490/0x490
[  524.444745]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  524.449339]  ? queue_work_on+0x12c/0x1e0
[  524.453417]  ? switchdev_port_obj_del+0xdc/0x450
[  524.458183]  ? switchdev_trans_item_enqueue+0x260/0x260
[  524.463566]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  524.468608]  __br_mdb_notify+0x4ff/0x15d0
[  524.472767]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  524.477885]  ? __br_mdb_add+0x800/0x800
[  524.481864]  ? kasan_check_write+0x14/0x20
[  524.486105]  ? do_raw_spin_lock+0xc1/0x200
[  524.490368]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  524.495494]  ? debug_object_assert_init+0x368/0x4b0
[  524.501042]  ? debug_object_init_on_stack+0x20/0x20
[  524.506582]  ? graph_lock+0x170/0x170
[  524.510408]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  524.515965]  br_mdb_notify+0x310/0x410
[  524.519861]  ? br_mdb_dump+0x2530/0x2530
[  524.523947]  br_multicast_del_pg+0x3df/0x790
[  524.528366]  ? br_mdb_ip_get+0x940/0x940
[  524.532453]  ? do_raw_spin_lock+0x1a7/0x200
[  524.536791]  br_multicast_port_group_expired+0x189/0x1e0
[  524.542255]  call_timer_fn+0x272/0x920
[  524.546152]  ? br_multicast_del_pg+0x790/0x790
[  524.550743]  ? process_timeout+0x40/0x40
[  524.554811]  ? find_held_lock+0x36/0x1c0
[  524.558889]  ? __run_timers+0x7da/0xc70
[  524.562872]  ? _raw_spin_unlock_irq+0x27/0x80
[  524.567373]  ? _raw_spin_unlock_irq+0x27/0x80
[  524.571886]  ? br_multicast_del_pg+0x790/0x790
[  524.576474]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  524.581068]  ? trace_hardirqs_on+0xbd/0x310
[  524.585399]  ? kasan_check_read+0x11/0x20
[  524.589556]  ? __run_timers+0x7da/0xc70
[  524.593537]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  524.599091]  ? br_multicast_del_pg+0x790/0x790
[  524.603686]  ? br_multicast_del_pg+0x790/0x790
[  524.608278]  __run_timers+0x7e5/0xc70
[  524.612103]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  524.617506]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  524.622534]  ? graph_lock+0x170/0x170
[  524.626346]  ? enqueue_hrtimer+0x1a5/0x560
[  524.630603]  ? lock_release+0x970/0x970
[  524.634584]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  524.639786]  ? find_held_lock+0x36/0x1c0
[  524.643864]  ? graph_lock+0x170/0x170
[  524.647672]  ? pvclock_read_flags+0x160/0x160
[  524.652173]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  524.657816]  ? check_preemption_disabled+0x48/0x200
[  524.662870]  ? __lock_is_held+0xb5/0x140
[  524.666941]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  524.672483]  ? check_preemption_disabled+0x48/0x200
[  524.677513]  run_timer_softirq+0x52/0xb0
[  524.681581]  ? rcu_read_lock_sched_held+0x108/0x120
[  524.686600]  __do_softirq+0x30b/0xad8
[  524.690424]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  524.695539]  ? pvclock_read_flags+0x160/0x160
[  524.700040]  ? lapic_next_event+0x5a/0x90
[  524.704194]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  524.709734]  ? check_preemption_disabled+0x48/0x200
[  524.714751]  ? check_preemption_disabled+0x48/0x200
[  524.719800]  ? kvm_clock_read+0x18/0x30
[  524.723783]  ? kvm_sched_clock_read+0x9/0x20
[  524.728199]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  524.733737]  ? check_preemption_disabled+0x48/0x200
[  524.738771]  irq_exit+0x17f/0x1c0
[  524.742234]  smp_apic_timer_interrupt+0x1cb/0x760
[  524.747081]  ? smp_reschedule_interrupt+0x109/0x650
[  524.752109]  ? smp_call_function_single_interrupt+0x650/0x650
[  524.758008]  ? interrupt_entry+0xb5/0xf0
[  524.762075]  ? trace_hardirqs_off_caller+0xbb/0x310
[  524.767092]  ? trace_hardirqs_off_caller+0xbb/0x310
[  524.772117]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  524.776971]  ? trace_hardirqs_on_caller+0x310/0x310
[  524.781999]  ? trace_hardirqs_on_caller+0x310/0x310
[  524.787031]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  524.792579]  ? check_preemption_disabled+0x48/0x200
[  524.797600]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  524.803160]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  524.808020]  apic_timer_interrupt+0xf/0x20
[  524.812252]  </IRQ>
[  524.814497] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  524.819435] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  524.838348] RSP: 0000:ffff8801866cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  524.846076] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  524.853344] RDX: 0000000000000000 RSI: ffff8801ce554f00 RDI: 0000000000000286
[  524.860632] RBP: ffff8801866cf7b0 R08: ffff8801ce554680 R09: 0000000000000000
[  524.867908] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  524.875178] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  524.882501]  skb_clone+0x1bb/0x500
[  524.886048]  ? finish_task_switch+0x2f5/0x900
[  524.890553]  ? skb_split+0x11e0/0x11e0
[  524.894450]  ? preempt_notifier_register+0x200/0x200
[  524.899558]  ? __switch_to_asm+0x34/0x70
[  524.903625]  ? __switch_to_asm+0x34/0x70
[  524.907688]  ? __switch_to_asm+0x40/0x70
[  524.911775]  ? __switch_to_asm+0x34/0x70
[  524.915860]  ? __switch_to_asm+0x40/0x70
[  524.919926]  ? __switch_to_asm+0x34/0x70
[  524.923993]  ? __switch_to_asm+0x40/0x70
[  524.928057]  ? __switch_to_asm+0x34/0x70
[  524.932125]  ? __switch_to_asm+0x34/0x70
[  524.936198]  ? __switch_to_asm+0x40/0x70
[  524.940261]  ? __switch_to_asm+0x34/0x70
[  524.944339]  bpf_clone_redirect+0xb9/0x490
[  524.948579]  ? __schedule+0x874/0x1ed0
[  524.952495]  bpf_prog_3d1649e183dc2cc1+0x379/0x1000
[  524.957521]  ? __sched_text_start+0x8/0x8
[  524.961683]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  524.966456]  ? find_held_lock+0x36/0x1c0
[  524.970529]  ? lock_acquire+0x1ed/0x520
[  524.974513]  ? bpf_test_run+0x32e/0x5a0
[  524.978500]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  524.984043]  ? check_preemption_disabled+0x48/0x200
[  524.989072]  ? kasan_check_read+0x11/0x20
[  524.993232]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  524.998520]  ? rcu_bh_qs+0xc0/0xc0
[  525.002071]  ? preempt_schedule+0x4d/0x60
[  525.006229]  ? ___preempt_schedule+0x16/0x18
[  525.010656]  ? bpf_test_run+0x1c0/0x5a0
[  525.014656]  ? netlink_diag_dump+0x2a0/0x2a0
[  525.019078]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  525.024620]  ? bpf_test_init.isra.9+0x70/0x100
[  525.029217]  ? bpf_prog_test_run_skb+0x634/0xb40
[  525.033986]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  525.038837]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  525.044393]  ? fput+0x130/0x1a0
[  525.047684]  ? __bpf_prog_get+0x9b/0x290
[  525.051759]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  525.056601]  ? bpf_prog_test_run+0x130/0x1a0
[  525.061017]  ? __x64_sys_bpf+0x3d8/0x510
[  525.065088]  ? bpf_prog_get+0x20/0x20
[  525.068917]  ? do_syscall_64+0x1b9/0x820
[  525.072984]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  525.078356]  ? syscall_return_slowpath+0x5e0/0x5e0
[  525.083296]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  525.088154]  ? trace_hardirqs_on_caller+0x310/0x310
[  525.093181]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  525.098206]  ? prepare_exit_to_usermode+0x291/0x3b0
[  525.103253]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  525.108111]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  525.113650] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  525.124149] syz-executor4 cpuset=syz4 mems_allowed=0
[  525.129277] CPU: 0 PID: 11399 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  525.136635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  525.145989] Call Trace:
[  525.148569]  <IRQ>
[  525.150732]  dump_stack+0x1c4/0x2b4
[  525.154365]  ? dump_stack_print_info.cold.2+0x52/0x52
[  525.159583]  warn_alloc.cold.119+0xb7/0x1bd
[  525.163915]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  525.168764]  ? lock_downgrade+0x900/0x900
[  525.172924]  ? trace_hardirqs_off+0xb8/0x310
[  525.177347]  ? trace_hardirqs_off+0xb8/0x310
[  525.181777]  __alloc_pages_slowpath+0x2667/0x2d80
[  525.186662]  ? warn_alloc+0x120/0x120
[  525.190472]  ? graph_lock+0x170/0x170
[  525.194288]  ? warn_alloc+0x120/0x120
[  525.198094]  ? print_usage_bug+0xc0/0xc0
[  525.202161]  ? warn_alloc+0x120/0x120
[  525.205964]  ? print_usage_bug+0xc0/0xc0
[  525.210036]  ? find_held_lock+0x36/0x1c0
[  525.214107]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  525.219659]  ? should_fail+0x22d/0xd01
[  525.223556]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  525.228675]  ? __lock_acquire+0x7ec/0x4ec0
[  525.232922]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  525.238035]  ? should_fail+0x22d/0xd01
[  525.241954]  ? mark_held_locks+0x130/0x130
[  525.246209]  ? mark_held_locks+0x130/0x130
[  525.250476]  ? print_usage_bug+0xc0/0xc0
[  525.254551]  ? find_held_lock+0x36/0x1c0
[  525.258621]  ? graph_lock+0x170/0x170
[  525.262436]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  525.267977]  ? check_preemption_disabled+0x48/0x200
[  525.273004]  ? check_preemption_disabled+0x48/0x200
[  525.278038]  ? __lock_is_held+0xb5/0x140
[  525.282114]  __alloc_pages_nodemask+0xa80/0xde0
[  525.286788]  ? graph_lock+0x170/0x170
[  525.290603]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  525.295626]  ? graph_lock+0x170/0x170
[  525.299462]  ? find_held_lock+0x36/0x1c0
[  525.303539]  ? ____cache_alloc_node+0x1c7/0x1e0
[  525.308213]  ? lock_downgrade+0x900/0x900
[  525.312374]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  525.317939]  cache_grow_begin+0x91/0x8c0
[  525.322006]  ? do_raw_spin_unlock+0xa7/0x2f0
[  525.326429]  fallback_alloc+0x203/0x2e0
[  525.330424]  ____cache_alloc_node+0x1c7/0x1e0
[  525.334930]  kmem_cache_alloc_node+0xe3/0x730
[  525.339434]  ? mark_held_locks+0xc7/0x130
[  525.343601]  __alloc_skb+0x119/0x770
[  525.347329]  ? skb_scrub_packet+0x490/0x490
[  525.351661]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  525.356255]  ? queue_work_on+0x12c/0x1e0
[  525.360363]  ? switchdev_port_obj_del+0xdc/0x450
[  525.365144]  ? switchdev_trans_item_enqueue+0x260/0x260
[  525.370525]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  525.375557]  __br_mdb_notify+0x4ff/0x15d0
[  525.379722]  ? __br_mdb_add+0x800/0x800
[  525.383705]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  525.389250]  ? check_preemption_disabled+0x48/0x200
[  525.394299]  ? br_multicast_group_expired+0x96/0x610
[  525.399417]  ? lock_downgrade+0x900/0x900
[  525.403577]  br_mdb_notify+0x310/0x410
[  525.407476]  ? br_mdb_dump+0x2530/0x2530
[  525.411552]  ? do_raw_spin_lock+0x1a7/0x200
[  525.415890]  br_multicast_group_expired+0x1bc/0x610
[  525.420915]  ? br_mdb_free+0x80/0x80
[  525.424653]  call_timer_fn+0x272/0x920
[  525.428550]  ? br_mdb_free+0x80/0x80
[  525.432272]  ? process_timeout+0x40/0x40
[  525.436335]  ? find_held_lock+0x36/0x1c0
[  525.440416]  ? __run_timers+0x7da/0xc70
[  525.444407]  ? _raw_spin_unlock_irq+0x27/0x80
[  525.448910]  ? _raw_spin_unlock_irq+0x27/0x80
[  525.453417]  ? br_mdb_free+0x80/0x80
[  525.457134]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  525.461728]  ? trace_hardirqs_on+0xbd/0x310
[  525.466054]  ? kasan_check_read+0x11/0x20
[  525.470207]  ? __run_timers+0x7da/0xc70
[  525.474273]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  525.479733]  ? br_mdb_free+0x80/0x80
[  525.483455]  ? br_mdb_free+0x80/0x80
[  525.487183]  __run_timers+0x7e5/0xc70
[  525.491028]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  525.496407]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  525.501433]  ? graph_lock+0x170/0x170
[  525.505241]  ? enqueue_hrtimer+0x1a5/0x560
[  525.509478]  ? lock_release+0x970/0x970
[  525.513457]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  525.518667]  ? find_held_lock+0x36/0x1c0
[  525.522737]  ? graph_lock+0x170/0x170
[  525.526546]  ? pvclock_read_flags+0x160/0x160
[  525.531052]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  525.536606]  ? check_preemption_disabled+0x48/0x200
[  525.541668]  ? __lock_is_held+0xb5/0x140
[  525.545745]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  525.551294]  ? check_preemption_disabled+0x48/0x200
[  525.556347]  run_timer_softirq+0x52/0xb0
[  525.560424]  ? rcu_read_lock_sched_held+0x108/0x120
[  525.565447]  __do_softirq+0x30b/0xad8
[  525.569269]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  525.574413]  ? pvclock_read_flags+0x160/0x160
[  525.578927]  ? lapic_next_event+0x5a/0x90
[  525.583091]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  525.588664]  ? check_preemption_disabled+0x48/0x200
[  525.593695]  ? check_preemption_disabled+0x48/0x200
[  525.598744]  ? kvm_clock_read+0x18/0x30
[  525.602721]  ? kvm_sched_clock_read+0x9/0x20
[  525.607136]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  525.612916]  ? check_preemption_disabled+0x48/0x200
[  525.617956]  irq_exit+0x17f/0x1c0
[  525.621423]  smp_apic_timer_interrupt+0x1cb/0x760
[  525.626269]  ? smp_reschedule_interrupt+0x109/0x650
[  525.631290]  ? smp_call_function_single_interrupt+0x650/0x650
[  525.637195]  ? interrupt_entry+0xb5/0xf0
[  525.641262]  ? trace_hardirqs_off_caller+0xbb/0x310
[  525.646278]  ? trace_hardirqs_off_caller+0xbb/0x310
[  525.651301]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  525.656147]  ? trace_hardirqs_on_caller+0x310/0x310
[  525.661167]  ? trace_hardirqs_on_caller+0x310/0x310
[  525.666195]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  525.671739]  ? check_preemption_disabled+0x48/0x200
[  525.676760]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  525.682318]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  525.687194]  apic_timer_interrupt+0xf/0x20
[  525.691431]  </IRQ>
[  525.693676] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  525.698613] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  525.717523] RSP: 0000:ffff8801ba62f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  525.725235] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  525.732505] RDX: 0000000000000000 RSI: ffff8801b881aa80 RDI: 0000000000000286
[  525.739777] RBP: ffff8801ba62f7b0 R08: ffff8801b881a200 R09: 0000000000000000
[  525.747046] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  525.754490] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  525.761805]  skb_clone+0x1bb/0x500
[  525.765352]  ? finish_task_switch+0x1b5/0x900
[  525.769863]  ? skb_split+0x11e0/0x11e0
[  525.773758]  ? preempt_notifier_register+0x200/0x200
[  525.778866]  ? __switch_to_asm+0x34/0x70
[  525.782935]  ? __switch_to_asm+0x34/0x70
[  525.787020]  ? __switch_to_asm+0x40/0x70
[  525.791112]  ? __switch_to_asm+0x34/0x70
[  525.795184]  ? __switch_to_asm+0x40/0x70
[  525.799275]  ? __switch_to_asm+0x34/0x70
[  525.803359]  ? __switch_to_asm+0x40/0x70
[  525.807449]  ? __switch_to_asm+0x34/0x70
[  525.811532]  ? __switch_to_asm+0x34/0x70
[  525.815600]  ? __switch_to_asm+0x40/0x70
[  525.819676]  ? __switch_to_asm+0x34/0x70
[  525.823756]  bpf_clone_redirect+0xb9/0x490
[  525.827997]  ? __schedule+0x874/0x1ed0
[  525.831896]  bpf_prog_3d1649e183dc2cc1+0xcce/0x1000
[  525.836930]  ? __sched_text_start+0x8/0x8
[  525.841116]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  525.845910]  ? find_held_lock+0x36/0x1c0
[  525.849984]  ? lock_acquire+0x1ed/0x520
[  525.853967]  ? bpf_test_run+0x32e/0x5a0
[  525.857945]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  525.863493]  ? check_preemption_disabled+0x48/0x200
[  525.868517]  ? kasan_check_read+0x11/0x20
[  525.872677]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  525.877958]  ? rcu_bh_qs+0xc0/0xc0
[  525.881502]  ? preempt_schedule+0x4d/0x60
[  525.885661]  ? ___preempt_schedule+0x16/0x18
[  525.890087]  ? bpf_test_run+0x1c0/0x5a0
[  525.894082]  ? netlink_diag_dump+0x2a0/0x2a0
[  525.898522]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  525.904063]  ? bpf_test_init.isra.9+0x70/0x100
[  525.908665]  ? bpf_prog_test_run_skb+0x634/0xb40
[  525.913439]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  525.918292]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  525.923834]  ? fput+0x130/0x1a0
[  525.927122]  ? __bpf_prog_get+0x9b/0x290
[  525.931194]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  525.936039]  ? bpf_prog_test_run+0x130/0x1a0
[  525.940455]  ? __x64_sys_bpf+0x3d8/0x510
[  525.944545]  ? bpf_prog_get+0x20/0x20
[  525.948403]  ? do_syscall_64+0x1b9/0x820
[  525.952479]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  525.957854]  ? syscall_return_slowpath+0x5e0/0x5e0
[  525.962792]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  525.967647]  ? trace_hardirqs_on_caller+0x310/0x310
[  525.972673]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  525.977700]  ? prepare_exit_to_usermode+0x291/0x3b0
[  525.982731]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  525.987592]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  525.992999] warn_alloc_show_mem: 1 callbacks suppressed
[  525.993004] Mem-Info:
[  526.000822] active_anon:122480 inactive_anon:112 isolated_anon:0
[  526.000822]  active_file:16 inactive_file:5 isolated_file:0
[  526.000822]  unevictable:0 dirty:0 writeback:0 unstable:0
[  526.000822]  slab_reclaimable:9164 slab_unreclaimable:1399977
[  526.000822]  mapped:40962 shmem:118 pagetables:796 bounce:0
[  526.000822]  free:13728 free_pcp:0 free_cma:0
[  526.033595] Node 0 active_anon:489920kB inactive_anon:448kB active_file:64kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:472kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 471040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  526.061109] 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
[  526.087252] lowmem_reserve[]: 0 2813 6317 6317
[  526.091870] Node 0 DMA32 free:25276kB min:30028kB low:37532kB high:45036kB active_anon:12288kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2884608kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  526.119413] lowmem_reserve[]: 0 0 3503 3503
[  526.123779] Node 0 Normal free:13728kB min:37384kB low:46728kB high:56072kB active_anon:477632kB inactive_anon:448kB active_file:64kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3587276kB mlocked:0kB kernel_stack:5408kB pagetables:3184kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  526.152490] lowmem_reserve[]: 0 0 0 0
[  526.156316] 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
[  526.170004] Node 0 DMA32: 5*4kB (UM) 1*8kB (U) 4*16kB (UM) 3*32kB (UM) 4*64kB (M) 4*128kB (UM) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25276kB
[  526.185503] Node 0 Normal: 1058*4kB (UMEH) 417*8kB (UMEH) 179*16kB (UME) 63*32kB (UMEH) 21*64kB (UMH) 2*128kB (MH) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14048kB
[  526.200729] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  526.209565] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  526.218133] 164 total pagecache pages
[  526.221943] 0 pages in swap cache
[  526.225408] Swap cache stats: add 0, delete 0, find 0/0
[  526.230777] Free swap  = 0kB
[  526.233811] Total swap = 0kB
[  526.236847] 1965979 pages RAM
[  526.239952] 0 pages HighMem/MovableOnly
[  526.243926] 344031 pages reserved
[  526.247394] 0 pages cma reserved
[  526.250900] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  526.250944] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  526.261406] syz-executor4 cpuset=
[  526.271883] syz-executor4 cpuset=
[  526.271886] syz4 mems_allowed=0
[  526.275337] syz4
[  526.278791] CPU: 1 PID: 11390 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  526.282085]  mems_allowed=0
[  526.284046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  526.303766] Call Trace:
[  526.306353]  <IRQ>
[  526.308528]  dump_stack+0x1c4/0x2b4
[  526.312174]  ? dump_stack_print_info.cold.2+0x52/0x52
[  526.317396]  warn_alloc.cold.119+0xb7/0x1bd
[  526.321727]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  526.326578]  ? lock_downgrade+0x900/0x900
[  526.330740]  ? trace_hardirqs_off+0xb8/0x310
[  526.335164]  ? trace_hardirqs_off+0xb8/0x310
[  526.339587]  __alloc_pages_slowpath+0x2667/0x2d80
[  526.344469]  ? warn_alloc+0x120/0x120
[  526.348282]  ? warn_alloc+0x120/0x120
[  526.352088]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  526.357630]  ? print_usage_bug+0xc0/0xc0
[  526.361695]  ? warn_alloc+0x120/0x120
[  526.365713]  ? print_usage_bug+0xc0/0xc0
[  526.369790]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  526.375338]  ? should_fail+0x22d/0xd01
[  526.379250]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  526.384281]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  526.389400]  ? __lock_acquire+0x7ec/0x4ec0
[  526.393644]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  526.398753]  ? should_fail+0x22d/0xd01
[  526.402656]  ? mark_held_locks+0x130/0x130
[  526.406902]  ? mark_held_locks+0x130/0x130
[  526.411143]  ? print_usage_bug+0xc0/0xc0
[  526.415220]  ? find_held_lock+0x36/0x1c0
[  526.419284]  ? graph_lock+0x170/0x170
[  526.423095]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  526.428636]  ? check_preemption_disabled+0x48/0x200
[  526.433661]  ? check_preemption_disabled+0x48/0x200
[  526.438701]  ? __lock_is_held+0xb5/0x140
[  526.442777]  __alloc_pages_nodemask+0xa80/0xde0
[  526.447454]  ? graph_lock+0x170/0x170
[  526.451266]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  526.456285]  ? graph_lock+0x170/0x170
[  526.460103]  ? find_held_lock+0x36/0x1c0
[  526.464187]  ? ____cache_alloc_node+0x1c7/0x1e0
[  526.468861]  ? lock_downgrade+0x900/0x900
[  526.473022]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  526.478573]  cache_grow_begin+0x91/0x8c0
[  526.482640]  ? do_raw_spin_unlock+0xa7/0x2f0
[  526.487066]  fallback_alloc+0x203/0x2e0
[  526.491054]  ____cache_alloc_node+0x1c7/0x1e0
[  526.495564]  kmem_cache_alloc_node+0xe3/0x730
[  526.500591]  ? mark_held_locks+0xc7/0x130
[  526.504758]  __alloc_skb+0x119/0x770
[  526.508487]  ? skb_scrub_packet+0x490/0x490
[  526.512819]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  526.517435]  ? queue_work_on+0x12c/0x1e0
[  526.521509]  ? switchdev_port_obj_del+0xdc/0x450
[  526.526283]  ? switchdev_trans_item_enqueue+0x260/0x260
[  526.531658]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  526.536692]  __br_mdb_notify+0x4ff/0x15d0
[  526.540849]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  526.545968]  ? __br_mdb_add+0x800/0x800
[  526.549947]  ? kasan_check_write+0x14/0x20
[  526.554187]  ? do_raw_spin_lock+0xc1/0x200
[  526.558432]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  526.563541]  ? debug_object_assert_init+0x368/0x4b0
[  526.568562]  ? debug_object_init_on_stack+0x20/0x20
[  526.573583]  ? graph_lock+0x170/0x170
[  526.577401]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  526.582972]  br_mdb_notify+0x310/0x410
[  526.586867]  ? br_mdb_dump+0x2530/0x2530
[  526.590949]  br_multicast_del_pg+0x3df/0x790
[  526.595372]  ? br_mdb_ip_get+0x940/0x940
[  526.599457]  ? do_raw_spin_lock+0x1a7/0x200
[  526.603796]  br_multicast_port_group_expired+0x189/0x1e0
[  526.609262]  call_timer_fn+0x272/0x920
[  526.613161]  ? br_multicast_del_pg+0x790/0x790
[  526.617751]  ? process_timeout+0x40/0x40
[  526.621812]  ? find_held_lock+0x36/0x1c0
[  526.625889]  ? __run_timers+0x7da/0xc70
[  526.629873]  ? _raw_spin_unlock_irq+0x27/0x80
[  526.634396]  ? _raw_spin_unlock_irq+0x27/0x80
[  526.638895]  ? br_multicast_del_pg+0x790/0x790
[  526.643480]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  526.648086]  ? trace_hardirqs_on+0xbd/0x310
[  526.652417]  ? kasan_check_read+0x11/0x20
[  526.656590]  ? __run_timers+0x7da/0xc70
[  526.660573]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  526.666030]  ? br_multicast_del_pg+0x790/0x790
[  526.670622]  ? br_multicast_del_pg+0x790/0x790
[  526.675209]  __run_timers+0x7e5/0xc70
[  526.679030]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  526.684407]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  526.689432]  ? graph_lock+0x170/0x170
[  526.693239]  ? enqueue_hrtimer+0x1a5/0x560
[  526.697475]  ? lock_release+0x970/0x970
[  526.701452]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  526.706673]  ? find_held_lock+0x36/0x1c0
[  526.710745]  ? graph_lock+0x170/0x170
[  526.714551]  ? pvclock_read_flags+0x160/0x160
[  526.719049]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  526.724589]  ? check_preemption_disabled+0x48/0x200
[  526.729622]  ? __lock_is_held+0xb5/0x140
[  526.733689]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  526.739231]  ? check_preemption_disabled+0x48/0x200
[  526.744262]  run_timer_softirq+0x52/0xb0
[  526.748326]  ? rcu_read_lock_sched_held+0x108/0x120
[  526.753348]  __do_softirq+0x30b/0xad8
[  526.757176]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  526.762288]  ? pvclock_read_flags+0x160/0x160
[  526.766785]  ? lapic_next_event+0x5a/0x90
[  526.770936]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  526.776480]  ? check_preemption_disabled+0x48/0x200
[  526.781501]  ? check_preemption_disabled+0x48/0x200
[  526.786532]  ? kvm_clock_read+0x18/0x30
[  526.790510]  ? kvm_sched_clock_read+0x9/0x20
[  526.794926]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  526.800468]  ? check_preemption_disabled+0x48/0x200
[  526.805502]  irq_exit+0x17f/0x1c0
[  526.808962]  smp_apic_timer_interrupt+0x1cb/0x760
[  526.813808]  ? smp_reschedule_interrupt+0x109/0x650
[  526.818827]  ? smp_call_function_single_interrupt+0x650/0x650
[  526.824716]  ? interrupt_entry+0xb5/0xf0
[  526.828781]  ? trace_hardirqs_off_caller+0xbb/0x310
[  526.833804]  ? trace_hardirqs_off_caller+0xbb/0x310
[  526.838833]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  526.843685]  ? trace_hardirqs_on_caller+0x310/0x310
[  526.848708]  ? trace_hardirqs_on_caller+0x310/0x310
[  526.853728]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  526.859276]  ? check_preemption_disabled+0x48/0x200
[  526.864296]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  526.869849]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  526.874703]  apic_timer_interrupt+0xf/0x20
[  526.878935]  </IRQ>
[  526.881181] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  526.886115] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  526.905025] RSP: 0000:ffff8801866cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  526.912740] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  526.920013] RDX: 0000000000000000 RSI: ffff8801ce554f00 RDI: 0000000000000286
[  526.927282] RBP: ffff8801866cf7b0 R08: ffff8801ce554680 R09: 0000000000000000
[  526.934551] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  526.941822] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  526.949147]  skb_clone+0x1bb/0x500
[  526.952694]  ? finish_task_switch+0x2f5/0x900
[  526.957198]  ? skb_split+0x11e0/0x11e0
[  526.961093]  ? preempt_notifier_register+0x200/0x200
[  526.966215]  ? __switch_to_asm+0x34/0x70
[  526.970284]  ? __switch_to_asm+0x34/0x70
[  526.974350]  ? __switch_to_asm+0x40/0x70
[  526.978422]  ? __switch_to_asm+0x34/0x70
[  526.982487]  ? __switch_to_asm+0x40/0x70
[  526.986554]  ? __switch_to_asm+0x34/0x70
[  526.990615]  ? __switch_to_asm+0x40/0x70
[  526.994678]  ? __switch_to_asm+0x34/0x70
[  526.998748]  ? __switch_to_asm+0x34/0x70
[  527.002813]  ? __switch_to_asm+0x40/0x70
[  527.006878]  ? __switch_to_asm+0x34/0x70
[  527.010950]  bpf_clone_redirect+0xb9/0x490
[  527.015193]  ? __schedule+0x874/0x1ed0
[  527.019089]  bpf_prog_3d1649e183dc2cc1+0x379/0x1000
[  527.024117]  ? __sched_text_start+0x8/0x8
[  527.028284]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  527.033066]  ? find_held_lock+0x36/0x1c0
[  527.037146]  ? lock_acquire+0x1ed/0x520
[  527.041150]  ? bpf_test_run+0x32e/0x5a0
[  527.045131]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  527.050683]  ? check_preemption_disabled+0x48/0x200
[  527.055708]  ? kasan_check_read+0x11/0x20
[  527.059866]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  527.065156]  ? rcu_bh_qs+0xc0/0xc0
[  527.068705]  ? preempt_schedule+0x4d/0x60
[  527.072860]  ? ___preempt_schedule+0x16/0x18
[  527.077372]  ? bpf_test_run+0x1c0/0x5a0
[  527.081387]  ? netlink_diag_dump+0x2a0/0x2a0
[  527.085811]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  527.091355]  ? bpf_test_init.isra.9+0x70/0x100
[  527.095956]  ? bpf_prog_test_run_skb+0x634/0xb40
[  527.100726]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  527.105572]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  527.111134]  ? fput+0x130/0x1a0
[  527.114429]  ? __bpf_prog_get+0x9b/0x290
[  527.118499]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  527.123343]  ? bpf_prog_test_run+0x130/0x1a0
[  527.127767]  ? __x64_sys_bpf+0x3d8/0x510
[  527.131834]  ? bpf_prog_get+0x20/0x20
[  527.135665]  ? do_syscall_64+0x1b9/0x820
[  527.139733]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  527.145104]  ? syscall_return_slowpath+0x5e0/0x5e0
[  527.150041]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  527.154893]  ? trace_hardirqs_on_caller+0x310/0x310
[  527.159919]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  527.164945]  ? prepare_exit_to_usermode+0x291/0x3b0
[  527.169997]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  527.174856]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  527.180247] CPU: 0 PID: 11399 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  527.180416] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  527.187621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  527.187632] Call Trace:
[  527.198127] syz-executor4 cpuset=
[  527.207481]  <IRQ>
[  527.210053] syz4
[  527.213509]  dump_stack+0x1c4/0x2b4
[  527.215635]  mems_allowed=0
[  527.217611]  ? dump_stack_print_info.cold.2+0x52/0x52
[  527.229344]  warn_alloc.cold.119+0xb7/0x1bd
[  527.233703]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  527.238557]  ? lock_downgrade+0x900/0x900
[  527.242721]  ? trace_hardirqs_off+0xb8/0x310
[  527.247140]  ? trace_hardirqs_off+0xb8/0x310
[  527.251563]  __alloc_pages_slowpath+0x2667/0x2d80
[  527.256448]  ? warn_alloc+0x120/0x120
[  527.260261]  ? warn_alloc+0x120/0x120
[  527.264074]  ? print_usage_bug+0xc0/0xc0
[  527.268142]  ? warn_alloc+0x120/0x120
[  527.271954]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  527.276985]  ? print_usage_bug+0xc0/0xc0
[  527.281056]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  527.286600]  ? check_preemption_disabled+0x48/0x200
[  527.291649]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  527.297194]  ? should_fail+0x22d/0xd01
[  527.301090]  ? __lock_acquire+0x7ec/0x4ec0
[  527.305341]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  527.310450]  ? __lock_acquire+0x7ec/0x4ec0
[  527.314710]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  527.319824]  ? __lock_acquire+0x7ec/0x4ec0
[  527.324065]  ? should_fail+0x22d/0xd01
[  527.327969]  ? mark_held_locks+0x130/0x130
[  527.332216]  ? mark_held_locks+0x130/0x130
[  527.336518]  ? graph_lock+0x170/0x170
[  527.340323]  ? print_usage_bug+0xc0/0xc0
[  527.344391]  ? find_held_lock+0x36/0x1c0
[  527.348459]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  527.354003]  ? check_preemption_disabled+0x48/0x200
[  527.359039]  ? check_preemption_disabled+0x48/0x200
[  527.364072]  ? __lock_is_held+0xb5/0x140
[  527.368415]  __alloc_pages_nodemask+0xa80/0xde0
[  527.373090]  ? graph_lock+0x170/0x170
[  527.376898]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  527.381913]  ? graph_lock+0x170/0x170
[  527.385729]  ? find_held_lock+0x36/0x1c0
[  527.389839]  ? ____cache_alloc_node+0x1c7/0x1e0
[  527.394516]  ? lock_downgrade+0x900/0x900
[  527.398685]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  527.404261]  cache_grow_begin+0x91/0x8c0
[  527.408336]  ? do_raw_spin_unlock+0xa7/0x2f0
[  527.412769]  fallback_alloc+0x203/0x2e0
[  527.416764]  ____cache_alloc_node+0x1c7/0x1e0
[  527.421271]  kmem_cache_alloc_node+0xe3/0x730
[  527.425775]  ? ipv6_get_ifaddr+0x42e/0x620
[  527.430049]  __alloc_skb+0x119/0x770
[  527.433770]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  527.439147]  ? skb_scrub_packet+0x490/0x490
[  527.443472]  ? lock_downgrade+0x900/0x900
[  527.447632]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  527.453180]  ? refcount_sub_and_test_checked+0x203/0x310
[  527.458645]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  527.464100]  ? addrconf_rs_timer+0x6f0/0x6f0
[  527.468528]  ndisc_alloc_skb+0x144/0x340
[  527.472602]  ndisc_send_rs+0x331/0x6e0
[  527.476518]  addrconf_rs_timer+0x3c0/0x6f0
[  527.480763]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  527.485035]  call_timer_fn+0x272/0x920
[  527.488927]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  527.493167]  ? process_timeout+0x40/0x40
[  527.497241]  ? find_held_lock+0x36/0x1c0
[  527.501319]  ? __run_timers+0x7da/0xc70
[  527.505306]  ? _raw_spin_unlock_irq+0x27/0x80
[  527.509820]  ? _raw_spin_unlock_irq+0x27/0x80
[  527.514319]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  527.518578]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  527.523194]  ? trace_hardirqs_on+0xbd/0x310
[  527.527518]  ? kasan_check_read+0x11/0x20
[  527.531678]  ? __run_timers+0x7da/0xc70
[  527.535669]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  527.541137]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  527.545375]  __run_timers+0x7e5/0xc70
[  527.549202]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  527.554571]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  527.559596]  ? graph_lock+0x170/0x170
[  527.563426]  ? enqueue_hrtimer+0x1a5/0x560
[  527.567669]  ? lock_release+0x970/0x970
[  527.571653]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  527.576860]  ? find_held_lock+0x36/0x1c0
[  527.580930]  ? graph_lock+0x170/0x170
[  527.584739]  ? pvclock_read_flags+0x160/0x160
[  527.589240]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  527.594785]  ? check_preemption_disabled+0x48/0x200
[  527.599820]  ? __lock_is_held+0xb5/0x140
[  527.603889]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  527.609438]  ? check_preemption_disabled+0x48/0x200
[  527.614480]  run_timer_softirq+0x52/0xb0
[  527.618544]  ? rcu_read_lock_sched_held+0x108/0x120
[  527.623572]  __do_softirq+0x30b/0xad8
[  527.627400]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  527.632522]  ? pvclock_read_flags+0x160/0x160
[  527.637026]  ? lapic_next_event+0x5a/0x90
[  527.641187]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  527.646744]  ? check_preemption_disabled+0x48/0x200
[  527.651767]  ? check_preemption_disabled+0x48/0x200
[  527.656820]  ? kvm_clock_read+0x18/0x30
[  527.660824]  ? kvm_sched_clock_read+0x9/0x20
[  527.665242]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  527.670789]  ? check_preemption_disabled+0x48/0x200
[  527.675834]  irq_exit+0x17f/0x1c0
[  527.679296]  smp_apic_timer_interrupt+0x1cb/0x760
[  527.684140]  ? smp_reschedule_interrupt+0x109/0x650
[  527.689161]  ? smp_call_function_single_interrupt+0x650/0x650
[  527.695055]  ? interrupt_entry+0xb5/0xf0
[  527.699142]  ? trace_hardirqs_off_caller+0xbb/0x310
[  527.704162]  ? trace_hardirqs_off_caller+0xbb/0x310
[  527.709186]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  527.714034]  ? trace_hardirqs_on_caller+0x310/0x310
[  527.719053]  ? trace_hardirqs_on_caller+0x310/0x310
[  527.724076]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  527.729615]  ? check_preemption_disabled+0x48/0x200
[  527.734664]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  527.740224]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  527.745082]  apic_timer_interrupt+0xf/0x20
[  527.749315]  </IRQ>
[  527.751558] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  527.756595] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  527.775501] RSP: 0000:ffff8801ba62f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  527.783214] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  527.790484] RDX: 0000000000000000 RSI: ffff8801b881aa80 RDI: 0000000000000286
[  527.797759] RBP: ffff8801ba62f7b0 R08: ffff8801b881a200 R09: 0000000000000000
[  527.805175] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  527.812444] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  527.819766]  skb_clone+0x1bb/0x500
[  527.823314]  ? finish_task_switch+0x1b5/0x900
[  527.827816]  ? skb_split+0x11e0/0x11e0
[  527.831711]  ? preempt_notifier_register+0x200/0x200
[  527.836832]  ? __switch_to_asm+0x34/0x70
[  527.840916]  ? __switch_to_asm+0x34/0x70
[  527.844995]  ? __switch_to_asm+0x40/0x70
[  527.849057]  ? __switch_to_asm+0x34/0x70
[  527.853118]  ? __switch_to_asm+0x40/0x70
[  527.857185]  ? __switch_to_asm+0x34/0x70
[  527.861252]  ? __switch_to_asm+0x40/0x70
[  527.865313]  ? __switch_to_asm+0x34/0x70
[  527.869464]  ? __switch_to_asm+0x34/0x70
[  527.873526]  ? __switch_to_asm+0x40/0x70
[  527.877589]  ? __switch_to_asm+0x34/0x70
[  527.881665]  bpf_clone_redirect+0xb9/0x490
[  527.885905]  ? __schedule+0x874/0x1ed0
[  527.889802]  bpf_prog_3d1649e183dc2cc1+0xcce/0x1000
[  527.894827]  ? __sched_text_start+0x8/0x8
[  527.898987]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  527.903776]  ? find_held_lock+0x36/0x1c0
[  527.907847]  ? lock_acquire+0x1ed/0x520
[  527.911826]  ? bpf_test_run+0x32e/0x5a0
[  527.915807]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  527.921348]  ? check_preemption_disabled+0x48/0x200
[  527.926389]  ? kasan_check_read+0x11/0x20
[  527.930550]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  527.935848]  ? rcu_bh_qs+0xc0/0xc0
[  527.939406]  ? preempt_schedule+0x4d/0x60
[  527.943563]  ? ___preempt_schedule+0x16/0x18
[  527.947985]  ? bpf_test_run+0x1c0/0x5a0
[  527.951977]  ? netlink_diag_dump+0x2a0/0x2a0
[  527.956403]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  527.961955]  ? bpf_test_init.isra.9+0x70/0x100
[  527.966548]  ? bpf_prog_test_run_skb+0x634/0xb40
[  527.971319]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  527.976164]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  527.981706]  ? fput+0x130/0x1a0
[  527.984991]  ? __bpf_prog_get+0x9b/0x290
[  527.989060]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  527.993903]  ? bpf_prog_test_run+0x130/0x1a0
[  527.998346]  ? __x64_sys_bpf+0x3d8/0x510
[  528.002421]  ? bpf_prog_get+0x20/0x20
[  528.006265]  ? do_syscall_64+0x1b9/0x820
[  528.010332]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  528.015705]  ? syscall_return_slowpath+0x5e0/0x5e0
[  528.020650]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  528.025500]  ? trace_hardirqs_on_caller+0x310/0x310
[  528.030521]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  528.036064]  ? prepare_exit_to_usermode+0x291/0x3b0
[  528.041092]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  528.045951]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  528.051333] warn_alloc_show_mem: 1 callbacks suppressed
[  528.051345] CPU: 1 PID: 11390 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  528.051347] Mem-Info:
[  528.051388] active_anon:122480 inactive_anon:112 isolated_anon:0
[  528.051388]  active_file:16 inactive_file:5 isolated_file:0
[  528.051388]  unevictable:0 dirty:0 writeback:0 unstable:0
[  528.051388]  slab_reclaimable:9164 slab_unreclaimable:1399977
[  528.051388]  mapped:40962 shmem:118 pagetables:796 bounce:0
[  528.051388]  free:13728 free_pcp:0 free_cma:0
[  528.056734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  528.064100] Node 0 active_anon:489920kB inactive_anon:448kB active_file:64kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:472kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 471040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  528.066524] Call Trace:
[  528.099231] Node 0 
[  528.108611]  <IRQ>
[  528.136134] 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
[  528.138707]  dump_stack+0x1c4/0x2b4
[  528.140908] lowmem_reserve[]: 0
[  528.143069]  ? dump_stack_print_info.cold.2+0x52/0x52
[  528.168558]  2813 6317
[  528.172209]  warn_alloc.cold.119+0xb7/0x1bd
[  528.175453]  6317
[  528.180643]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  528.183123] Node 0 
[  528.187455]  ? lock_downgrade+0x900/0x900
[  528.189519] DMA32 free:25276kB min:30028kB low:37532kB high:45036kB active_anon:12288kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2884608kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  528.194511]  ? trace_hardirqs_off+0xb8/0x310
[  528.196727] lowmem_reserve[]: 0
[  528.200900]  ? trace_hardirqs_off+0xb8/0x310
[  528.227778]  0 3503
[  528.232206]  __alloc_pages_slowpath+0x2667/0x2d80
[  528.235549]  3503
[  528.239992]  ? warn_alloc+0x120/0x120
[  528.242179] Node 0 
[  528.247018]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  528.249090] Normal free:13728kB min:37384kB low:46728kB high:56072kB active_anon:477632kB inactive_anon:448kB active_file:64kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3587276kB mlocked:0kB kernel_stack:5408kB pagetables:3184kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  528.252877]  ? warn_alloc+0x120/0x120
[  528.255085] lowmem_reserve[]: 0
[  528.260107]  ? print_usage_bug+0xc0/0xc0
[  528.288107]  0
[  528.291911]  ? warn_alloc+0x120/0x120
[  528.295163]  0
[  528.299223]  ? print_usage_bug+0xc0/0xc0
[  528.300995]  0
[  528.304801]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  528.306580] Node 0 
[  528.310654]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  528.312430] DMA: 
[  528.317617]  ? should_fail+0x22d/0xd01
[  528.319829] 1*4kB 
[  528.325361]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  528.327410] (U) 
[  528.331298]  ? __lock_acquire+0x7ec/0x4ec0
[  528.333419] 0*8kB 0*16kB 
[  528.338525]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  528.340484] 1*32kB 
[  528.344715]  ? should_fail+0x22d/0xd01
[  528.347448] (U) 
[  528.352551]  ? mark_held_locks+0x130/0x130
[  528.354758] 2*64kB (U) 
[  528.358658]  ? mark_held_locks+0x130/0x130
[  528.360614] 1*128kB 
[  528.364842]  ? print_usage_bug+0xc0/0xc0
[  528.367868] (U) 1*256kB 
[  528.372130]  ? find_held_lock+0x36/0x1c0
[  528.374447] (U) 
[  528.378504]  ? graph_lock+0x170/0x170
[  528.381180] 0*512kB 
[  528.385237]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  528.387189] 1*1024kB 
[  528.391005]  ? check_preemption_disabled+0x48/0x200
[  528.393306] (U) 
[  528.398841]  ? check_preemption_disabled+0x48/0x200
[  528.401233] 1*2048kB 
[  528.406251]  ? __lock_is_held+0xb5/0x140
[  528.408213] (M) 
[  528.413225]  __alloc_pages_nodemask+0xa80/0xde0
[  528.415616] 3*4096kB 
[  528.419675]  ? graph_lock+0x170/0x170
[  528.421631] (M) 
[  528.426299]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  528.428687] = 15908kB
[  528.432487]  ? graph_lock+0x170/0x170
[  528.434442] Node 0 
[  528.439467]  ? find_held_lock+0x36/0x1c0
[  528.441849] DMA32: 
[  528.445676]  ? ____cache_alloc_node+0x1c7/0x1e0
[  528.447887] 5*4kB 
[  528.451944]  ? lock_downgrade+0x900/0x900
[  528.454158] (UM) 
[  528.458848]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  528.460973] 1*8kB 
[  528.465124]  cache_grow_begin+0x91/0x8c0
[  528.467161] (U) 
[  528.472701]  ? do_raw_spin_unlock+0xa7/0x2f0
[  528.474827] 4*16kB 
[  528.478893]  fallback_alloc+0x203/0x2e0
[  528.480840] (UM) 
[  528.485250]  ____cache_alloc_node+0x1c7/0x1e0
[  528.487461] 3*32kB 
[  528.491454]  kmem_cache_alloc_node+0xe3/0x730
[  528.493491] (UM) 
[  528.498453]  ? mark_held_locks+0xc7/0x130
[  528.500683] 4*64kB (M) 
[  528.505647]  __alloc_skb+0x119/0x770
[  528.507693] 4*128kB 
[  528.511843]  ? skb_scrub_packet+0x490/0x490
[  528.514412] (UM) 
[  528.518128]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  528.520447] 3*256kB 
[  528.524958]  ? queue_work_on+0x12c/0x1e0
[  528.526996] (M) 
[  528.531578]  ? switchdev_port_obj_del+0xdc/0x450
[  528.533877] 4*512kB 
[  528.537937]  ? switchdev_trans_item_enqueue+0x260/0x260
[  528.539887] (UM) 
[  528.544638]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  528.546943] 3*1024kB 
[  528.552304]  __br_mdb_notify+0x4ff/0x15d0
[  528.554341] (UM) 
[  528.559356]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  528.561744] 3*2048kB 
[  528.565897]  ? __br_mdb_add+0x800/0x800
[  528.567935] (UM) 
[  528.573041]  ? kasan_check_write+0x14/0x20
[  528.575436] 3*4096kB 
[  528.579414]  ? do_raw_spin_lock+0xc1/0x200
[  528.581457] (M) 
[  528.585691]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  528.588076] = 25276kB
[  528.592308]  ? debug_object_assert_init+0x368/0x4b0
[  528.594263] Node 0 
[  528.599362]  ? debug_object_init_on_stack+0x20/0x20
[  528.601749] Normal: 
[  528.606763]  ? graph_lock+0x170/0x170
[  528.608976] 1058*4kB 
[  528.613989]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  528.616285] (UMEH) 
[  528.620086]  br_mdb_notify+0x310/0x410
[  528.622464] 417*8kB (UMEH) 
[  528.628007]  ? br_mdb_dump+0x2530/0x2530
[  528.630246] 179*16kB (UME) 
[  528.634157]  br_multicast_del_pg+0x3df/0x790
[  528.637075] 63*32kB 
[  528.641146]  ? br_mdb_ip_get+0x940/0x940
[  528.644042] (UMEH) 
[  528.648469]  ? kasan_check_write+0x14/0x20
[  528.650769] 21*64kB 
[  528.654828]  ? do_raw_spin_lock+0xc1/0x200
[  528.657038] (UMH) 
[  528.661286]  br_multicast_port_group_expired+0x189/0x1e0
[  528.663575] 2*128kB (MH) 
[  528.667823]  call_timer_fn+0x272/0x920
[  528.669945] 0*256kB 
[  528.675403]  ? br_multicast_del_pg+0x790/0x790
[  528.678141] 0*512kB 
[  528.682033]  ? process_timeout+0x40/0x40
[  528.684335] 0*1024kB 
[  528.688913]  ? find_held_lock+0x36/0x1c0
[  528.688938]  ? __run_timers+0x7da/0xc70
[  528.691237] 0*2048kB 
[  528.695302]  ? _raw_spin_unlock_irq+0x27/0x80
[  528.697684] 0*4096kB = 14048kB
[  528.701758]  ? _raw_spin_unlock_irq+0x27/0x80
[  528.705718] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  528.708144]  ? br_multicast_del_pg+0x790/0x790
[  528.712615] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  528.712624] 164 total pagecache pages
[  528.715822]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  528.720297] 0 pages in swap cache
[  528.729138]  ? trace_hardirqs_on+0xbd/0x310
[  528.733700] Swap cache stats: add 0, delete 0, find 0/0
[  528.742265]  ? kasan_check_read+0x11/0x20
[  528.746047] Free swap  = 0kB
[  528.750631]  ? __run_timers+0x7da/0xc70
[  528.754068] Total swap = 0kB
[  528.758410]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  528.763749] 1965979 pages RAM
[  528.767895]  ? br_multicast_del_pg+0x790/0x790
[  528.770887] 0 pages HighMem/MovableOnly
[  528.774860]  ? br_multicast_del_pg+0x790/0x790
[  528.777848] 344031 pages reserved
[  528.777856] 0 pages cma reserved
[  528.783310]  __run_timers+0x7e5/0xc70
[  528.786474] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  528.790987]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  528.791005]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  528.791022]  ? graph_lock+0x170/0x170
[  528.795043] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  528.799558]  ? enqueue_hrtimer+0x1a5/0x560
[  528.802991] syz-executor4 cpuset=
[  528.806362]  ? lock_release+0x970/0x970
[  528.806389]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  528.810172] syz4
[  528.816667]  ? find_held_lock+0x36/0x1c0
[  528.822008]  mems_allowed=0
[  528.827017]  ? graph_lock+0x170/0x170
[  528.870911]  ? pvclock_read_flags+0x160/0x160
[  528.875419]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  528.880959]  ? check_preemption_disabled+0x48/0x200
[  528.885993]  ? __lock_is_held+0xb5/0x140
[  528.890058]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  528.895611]  ? check_preemption_disabled+0x48/0x200
[  528.900645]  run_timer_softirq+0x52/0xb0
[  528.904716]  ? rcu_read_lock_sched_held+0x108/0x120
[  528.909744]  __do_softirq+0x30b/0xad8
[  528.913562]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  528.918687]  ? pvclock_read_flags+0x160/0x160
[  528.923191]  ? lapic_next_event+0x5a/0x90
[  528.927346]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  528.933068]  ? check_preemption_disabled+0x48/0x200
[  528.938098]  ? check_preemption_disabled+0x48/0x200
[  528.943137]  ? kvm_clock_read+0x18/0x30
[  528.947126]  ? kvm_sched_clock_read+0x9/0x20
[  528.951547]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  528.957085]  ? check_preemption_disabled+0x48/0x200
[  528.962120]  irq_exit+0x17f/0x1c0
[  528.965585]  smp_apic_timer_interrupt+0x1cb/0x760
[  528.970429]  ? smp_reschedule_interrupt+0x109/0x650
[  528.975447]  ? smp_call_function_single_interrupt+0x650/0x650
[  528.981340]  ? interrupt_entry+0xb5/0xf0
[  528.985421]  ? trace_hardirqs_off_caller+0xbb/0x310
[  528.990445]  ? trace_hardirqs_off_caller+0xbb/0x310
[  528.995467]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  529.000315]  ? trace_hardirqs_on_caller+0x310/0x310
[  529.005333]  ? trace_hardirqs_on_caller+0x310/0x310
[  529.010358]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  529.015913]  ? check_preemption_disabled+0x48/0x200
[  529.020936]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  529.026489]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  529.031344]  apic_timer_interrupt+0xf/0x20
[  529.035578]  </IRQ>
[  529.037825] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  529.042762] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  529.061677] RSP: 0000:ffff8801866cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  529.069399] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  529.076675] RDX: 0000000000000000 RSI: ffff8801ce554f00 RDI: 0000000000000286
[  529.083944] RBP: ffff8801866cf7b0 R08: ffff8801ce554680 R09: 0000000000000000
[  529.091215] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  529.098489] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  529.105811]  skb_clone+0x1bb/0x500
[  529.109356]  ? finish_task_switch+0x2f5/0x900
[  529.113871]  ? skb_split+0x11e0/0x11e0
[  529.117764]  ? preempt_notifier_register+0x200/0x200
[  529.122887]  ? __switch_to_asm+0x34/0x70
[  529.126955]  ? __switch_to_asm+0x34/0x70
[  529.131017]  ? __switch_to_asm+0x40/0x70
[  529.135098]  ? __switch_to_asm+0x34/0x70
[  529.139167]  ? __switch_to_asm+0x40/0x70
[  529.143232]  ? __switch_to_asm+0x34/0x70
[  529.147298]  ? __switch_to_asm+0x40/0x70
[  529.151364]  ? __switch_to_asm+0x34/0x70
[  529.155464]  ? __switch_to_asm+0x34/0x70
[  529.159531]  ? __switch_to_asm+0x40/0x70
[  529.163597]  ? __switch_to_asm+0x34/0x70
[  529.167755]  bpf_clone_redirect+0xb9/0x490
[  529.172002]  ? __schedule+0x874/0x1ed0
[  529.175908]  bpf_prog_3d1649e183dc2cc1+0x379/0x1000
[  529.180930]  ? __sched_text_start+0x8/0x8
[  529.185087]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  529.189859]  ? find_held_lock+0x36/0x1c0
[  529.193950]  ? lock_acquire+0x1ed/0x520
[  529.197929]  ? bpf_test_run+0x32e/0x5a0
[  529.201909]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  529.207453]  ? check_preemption_disabled+0x48/0x200
[  529.212480]  ? kasan_check_read+0x11/0x20
[  529.216634]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  529.221918]  ? rcu_bh_qs+0xc0/0xc0
[  529.225463]  ? preempt_schedule+0x4d/0x60
[  529.229620]  ? ___preempt_schedule+0x16/0x18
[  529.234044]  ? bpf_test_run+0x1c0/0x5a0
[  529.238034]  ? netlink_diag_dump+0x2a0/0x2a0
[  529.242453]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  529.247996]  ? bpf_test_init.isra.9+0x70/0x100
[  529.252596]  ? bpf_prog_test_run_skb+0x634/0xb40
[  529.257369]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  529.262235]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  529.267792]  ? fput+0x130/0x1a0
[  529.271084]  ? __bpf_prog_get+0x9b/0x290
[  529.275162]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  529.280016]  ? bpf_prog_test_run+0x130/0x1a0
[  529.284433]  ? __x64_sys_bpf+0x3d8/0x510
[  529.288505]  ? bpf_prog_get+0x20/0x20
[  529.292334]  ? do_syscall_64+0x1b9/0x820
[  529.296412]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  529.301791]  ? syscall_return_slowpath+0x5e0/0x5e0
[  529.306736]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  529.311589]  ? trace_hardirqs_on_caller+0x310/0x310
[  529.316612]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  529.321641]  ? prepare_exit_to_usermode+0x291/0x3b0
[  529.326666]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  529.331523]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  529.336913] CPU: 0 PID: 11399 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  529.337079] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  529.344283] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  529.354753] syz-executor4 cpuset=
[  529.364090] Call Trace:
[  529.364100] syz4
[  529.367771]  <IRQ>
[  529.370350]  mems_allowed=0
[  529.372325]  dump_stack+0x1c4/0x2b4
[  529.381017]  ? dump_stack_print_info.cold.2+0x52/0x52
[  529.386228]  warn_alloc.cold.119+0xb7/0x1bd
[  529.390556]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  529.395410]  ? lock_downgrade+0x900/0x900
[  529.399571]  ? trace_hardirqs_off+0xb8/0x310
[  529.403994]  ? trace_hardirqs_off+0xb8/0x310
[  529.408424]  __alloc_pages_slowpath+0x2667/0x2d80
[  529.413305]  ? warn_alloc+0x120/0x120
[  529.417207]  ? warn_alloc+0x120/0x120
[  529.421014]  ? print_usage_bug+0xc0/0xc0
[  529.425079]  ? warn_alloc+0x120/0x120
[  529.428886]  ? print_usage_bug+0xc0/0xc0
[  529.432951]  ? __lock_acquire+0x7ec/0x4ec0
[  529.437192]  ? __lock_acquire+0x7ec/0x4ec0
[  529.441433]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  529.446973]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  529.452517]  ? should_fail+0x22d/0xd01
[  529.456419]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  529.461531]  ? __lock_acquire+0x7ec/0x4ec0
[  529.465778]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  529.470898]  ? __lock_acquire+0x7ec/0x4ec0
[  529.475135]  ? should_fail+0x22d/0xd01
[  529.479037]  ? mark_held_locks+0x130/0x130
[  529.483279]  ? mark_held_locks+0x130/0x130
[  529.487520]  ? graph_lock+0x170/0x170
[  529.491324]  ? print_usage_bug+0xc0/0xc0
[  529.495396]  ? graph_lock+0x170/0x170
[  529.499202]  ? print_usage_bug+0xc0/0xc0
[  529.503273]  ? wq_watchdog_touch+0x9c/0xfe
[  529.507528]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  529.513072]  ? check_preemption_disabled+0x48/0x200
[  529.518109]  ? check_preemption_disabled+0x48/0x200
[  529.523140]  ? __lock_is_held+0xb5/0x140
[  529.527212]  __alloc_pages_nodemask+0xa80/0xde0
[  529.531886]  ? graph_lock+0x170/0x170
[  529.535697]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  529.540717]  ? graph_lock+0x170/0x170
[  529.544532]  ? find_held_lock+0x36/0x1c0
[  529.548606]  ? ____cache_alloc_node+0x1c7/0x1e0
[  529.553280]  ? lock_downgrade+0x900/0x900
[  529.557443]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  529.562991]  cache_grow_begin+0x91/0x8c0
[  529.567061]  ? do_raw_spin_unlock+0xa7/0x2f0
[  529.571505]  fallback_alloc+0x203/0x2e0
[  529.575494]  ____cache_alloc_node+0x1c7/0x1e0
[  529.579999]  kmem_cache_alloc_node+0xe3/0x730
[  529.584501]  ? ipv6_get_ifaddr+0x42e/0x620
[  529.588765]  __alloc_skb+0x119/0x770
[  529.592492]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  529.597781]  ? skb_scrub_packet+0x490/0x490
[  529.602110]  ? lock_downgrade+0x900/0x900
[  529.606274]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  529.611831]  ? refcount_sub_and_test_checked+0x203/0x310
[  529.617289]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  529.622747]  ? addrconf_rs_timer+0x6f0/0x6f0
[  529.627184]  ndisc_alloc_skb+0x144/0x340
[  529.631256]  ndisc_send_rs+0x331/0x6e0
[  529.635155]  addrconf_rs_timer+0x3c0/0x6f0
[  529.639412]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  529.643674]  call_timer_fn+0x272/0x920
[  529.647565]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  529.651807]  ? process_timeout+0x40/0x40
[  529.655872]  ? find_held_lock+0x36/0x1c0
[  529.660039]  ? __run_timers+0x7da/0xc70
[  529.664042]  ? _raw_spin_unlock_irq+0x27/0x80
[  529.668545]  ? _raw_spin_unlock_irq+0x27/0x80
[  529.673043]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  529.677282]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  529.681874]  ? trace_hardirqs_on+0xbd/0x310
[  529.686197]  ? kasan_check_read+0x11/0x20
[  529.690352]  ? __run_timers+0x7da/0xc70
[  529.694351]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  529.699840]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  529.704083]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  529.708322]  __run_timers+0x7e5/0xc70
[  529.712142]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  529.717533]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  529.722555]  ? graph_lock+0x170/0x170
[  529.726364]  ? enqueue_hrtimer+0x1a5/0x560
[  529.730617]  ? lock_release+0x970/0x970
[  529.734604]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  529.739805]  ? find_held_lock+0x36/0x1c0
[  529.743875]  ? graph_lock+0x170/0x170
[  529.747686]  ? pvclock_read_flags+0x160/0x160
[  529.752193]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  529.757770]  ? check_preemption_disabled+0x48/0x200
[  529.762818]  ? __lock_is_held+0xb5/0x140
[  529.766888]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  529.772434]  ? check_preemption_disabled+0x48/0x200
[  529.777469]  run_timer_softirq+0x52/0xb0
[  529.781538]  ? rcu_read_lock_sched_held+0x108/0x120
[  529.786559]  __do_softirq+0x30b/0xad8
[  529.790376]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  529.795502]  ? pvclock_read_flags+0x160/0x160
[  529.800021]  ? lapic_next_event+0x5a/0x90
[  529.804174]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  529.809716]  ? check_preemption_disabled+0x48/0x200
[  529.814735]  ? check_preemption_disabled+0x48/0x200
[  529.819760]  ? kvm_clock_read+0x18/0x30
[  529.823737]  ? kvm_sched_clock_read+0x9/0x20
[  529.828154]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  529.833698]  ? check_preemption_disabled+0x48/0x200
[  529.838746]  irq_exit+0x17f/0x1c0
[  529.842207]  smp_apic_timer_interrupt+0x1cb/0x760
[  529.847229]  ? smp_reschedule_interrupt+0x109/0x650
[  529.852248]  ? smp_call_function_single_interrupt+0x650/0x650
[  529.858137]  ? interrupt_entry+0xb5/0xf0
[  529.862205]  ? trace_hardirqs_off_caller+0xbb/0x310
[  529.867222]  ? trace_hardirqs_off_caller+0xbb/0x310
[  529.872244]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  529.877110]  ? trace_hardirqs_on_caller+0x310/0x310
[  529.882128]  ? trace_hardirqs_on_caller+0x310/0x310
[  529.887257]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  529.892797]  ? check_preemption_disabled+0x48/0x200
[  529.897815]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  529.903365]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  529.908228]  apic_timer_interrupt+0xf/0x20
[  529.912459]  </IRQ>
[  529.914705] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  529.919649] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  529.938556] RSP: 0000:ffff8801ba62f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  529.946266] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  529.953533] RDX: 0000000000000000 RSI: ffff8801b881aa80 RDI: 0000000000000286
[  529.960803] RBP: ffff8801ba62f7b0 R08: ffff8801b881a200 R09: 0000000000000000
[  529.968073] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  529.975342] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  529.982665]  skb_clone+0x1bb/0x500
[  529.986211]  ? finish_task_switch+0x1b5/0x900
[  529.990714]  ? skb_split+0x11e0/0x11e0
[  529.994609]  ? preempt_notifier_register+0x200/0x200
[  529.999723]  ? __switch_to_asm+0x34/0x70
[  530.003792]  ? __switch_to_asm+0x34/0x70
[  530.007860]  ? __switch_to_asm+0x40/0x70
[  530.011925]  ? __switch_to_asm+0x34/0x70
[  530.015989]  ? __switch_to_asm+0x40/0x70
[  530.020056]  ? __switch_to_asm+0x34/0x70
[  530.024119]  ? __switch_to_asm+0x40/0x70
[  530.028188]  ? __switch_to_asm+0x34/0x70
[  530.032257]  ? __switch_to_asm+0x34/0x70
[  530.036320]  ? __switch_to_asm+0x40/0x70
[  530.040392]  ? __switch_to_asm+0x34/0x70
[  530.044477]  bpf_clone_redirect+0xb9/0x490
[  530.048719]  ? __schedule+0x874/0x1ed0
[  530.052620]  bpf_prog_3d1649e183dc2cc1+0xcce/0x1000
[  530.057652]  ? __sched_text_start+0x8/0x8
[  530.061813]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  530.066601]  ? find_held_lock+0x36/0x1c0
[  530.070681]  ? lock_acquire+0x1ed/0x520
[  530.074687]  ? bpf_test_run+0x32e/0x5a0
[  530.078675]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  530.084220]  ? check_preemption_disabled+0x48/0x200
[  530.089247]  ? kasan_check_read+0x11/0x20
[  530.093413]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  530.098702]  ? rcu_bh_qs+0xc0/0xc0
[  530.102251]  ? preempt_schedule+0x4d/0x60
[  530.106414]  ? ___preempt_schedule+0x16/0x18
[  530.110840]  ? bpf_test_run+0x1c0/0x5a0
[  530.114831]  ? netlink_diag_dump+0x2a0/0x2a0
[  530.119250]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  530.124792]  ? bpf_test_init.isra.9+0x70/0x100
[  530.129399]  ? bpf_prog_test_run_skb+0x634/0xb40
[  530.134178]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  530.139027]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  530.144570]  ? fput+0x130/0x1a0
[  530.147854]  ? __bpf_prog_get+0x9b/0x290
[  530.152219]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  530.157069]  ? bpf_prog_test_run+0x130/0x1a0
[  530.161484]  ? __x64_sys_bpf+0x3d8/0x510
[  530.165563]  ? bpf_prog_get+0x20/0x20
[  530.169399]  ? do_syscall_64+0x1b9/0x820
[  530.173473]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  530.178842]  ? syscall_return_slowpath+0x5e0/0x5e0
[  530.183774]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  530.188627]  ? trace_hardirqs_on_caller+0x310/0x310
[  530.193660]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  530.198685]  ? prepare_exit_to_usermode+0x291/0x3b0
[  530.203715]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  530.208575]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  530.213960] warn_alloc_show_mem: 1 callbacks suppressed
[  530.213972] CPU: 1 PID: 11390 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  530.213983] Mem-Info:
[  530.214024] active_anon:122480 inactive_anon:112 isolated_anon:0
[  530.214024]  active_file:16 inactive_file:5 isolated_file:0
[  530.214024]  unevictable:0 dirty:0 writeback:0 unstable:0
[  530.214024]  slab_reclaimable:9164 slab_unreclaimable:1399977
[  530.214024]  mapped:40962 shmem:118 pagetables:796 bounce:0
[  530.214024]  free:13728 free_pcp:0 free_cma:0
[  530.219356] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  530.226750] Node 0 active_anon:489920kB inactive_anon:448kB active_file:64kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:472kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 471040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  530.229150] Call Trace:
[  530.261850] Node 0 
[  530.271203]  <IRQ>
[  530.298812] 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
[  530.301419]  dump_stack+0x1c4/0x2b4
[  530.303807] lowmem_reserve[]:
[  530.305960]  ? dump_stack_print_info.cold.2+0x52/0x52
[  530.331437]  0 2813
[  530.335111]  warn_alloc.cold.119+0xb7/0x1bd
[  530.338181]  6317 6317
[  530.343378]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  530.349942]  ? lock_downgrade+0x900/0x900
[  530.352422] Node 0 
[  530.357268]  ? trace_hardirqs_off+0xb8/0x310
[  530.361424] DMA32 free:25276kB min:30028kB low:37532kB high:45036kB active_anon:12288kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2884608kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  530.363637]  ? trace_hardirqs_off+0xb8/0x310
[  530.368479] lowmem_reserve[]: 0
[  530.395497]  __alloc_pages_slowpath+0x2667/0x2d80
[  530.399876]  0
[  530.403185]  ? warn_alloc+0x120/0x120
[  530.407971]  3503
[  530.409770]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  530.413550]  3503
[  530.415608]  ? warn_alloc+0x120/0x120
[  530.420624] Node 0 
[  530.422686]  ? print_usage_bug+0xc0/0xc0
[  530.426493] Normal free:13728kB min:37384kB low:46728kB high:56072kB active_anon:477632kB inactive_anon:448kB active_file:64kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3587276kB mlocked:0kB kernel_stack:5408kB pagetables:3184kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  530.428700]  ? warn_alloc+0x120/0x120
[  530.433137] lowmem_reserve[]: 0
[  530.461207]  ? print_usage_bug+0xc0/0xc0
[  530.464985]  0
[  530.468291]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  530.472321]  0 0
[  530.474147]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  530.481296]  ? should_fail+0x22d/0xd01
[  530.486807] Node 0 DMA: 
[  530.490692]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  530.490709]  ? __lock_acquire+0x7ec/0x4ec0
[  530.493360] 1*4kB 
[  530.498952]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  530.503956] (U) 
[  530.506110]  ? should_fail+0x22d/0xd01
[  530.511190] 0*8kB 
[  530.513173]  ? mark_held_locks+0x130/0x130
[  530.517045] 0*16kB 1*32kB 
[  530.519203]  ? mark_held_locks+0x130/0x130
[  530.523439] (U) 
[  530.526281]  ? print_usage_bug+0xc0/0xc0
[  530.530494] 2*64kB 
[  530.532466]  ? find_held_lock+0x36/0x1c0
[  530.536500] (U) 1*128kB 
[  530.538744]  ? graph_lock+0x170/0x170
[  530.542784] (U) 
[  530.545458]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  530.549235] 1*256kB 
[  530.551210]  ? check_preemption_disabled+0x48/0x200
[  530.556722] (U) 
[  530.559043]  ? check_preemption_disabled+0x48/0x200
[  530.564031] 0*512kB 1*1024kB 
[  530.566023]  ? __lock_is_held+0xb5/0x140
[  530.571010] (U) 1*2048kB 
[  530.574129]  __alloc_pages_nodemask+0xa80/0xde0
[  530.578168] (M) 
[  530.580926]  ? graph_lock+0x170/0x170
[  530.585573] 3*4096kB (M) 
[  530.587565]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  530.591336] = 15908kB
[  530.591344] Node 0 
[  530.594103]  ? graph_lock+0x170/0x170
[  530.599091] DMA32: 5*4kB 
[  530.601528]  ? find_held_lock+0x36/0x1c0
[  530.603730] (UM) 
[  530.607537]  ? ____cache_alloc_node+0x1c7/0x1e0
[  530.610288] 1*8kB 
[  530.614352]  ? lock_downgrade+0x900/0x900
[  530.616401] (U) 
[  530.621073]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  530.623201] 4*16kB 
[  530.627351]  cache_grow_begin+0x91/0x8c0
[  530.629301] (UM) 
[  530.634846]  ? do_raw_spin_unlock+0xa7/0x2f0
[  530.637055] 3*32kB (UM) 
[  530.641134]  fallback_alloc+0x203/0x2e0
[  530.643173] 4*64kB 
[  530.647582]  ____cache_alloc_node+0x1c7/0x1e0
[  530.650243] (M) 
[  530.654221]  kmem_cache_alloc_node+0xe3/0x730
[  530.656474] 4*128kB 
[  530.660961]  ? mark_held_locks+0xc7/0x130
[  530.662917] (UM) 
[  530.667427]  __alloc_skb+0x119/0x770
[  530.669722] 3*256kB 
[  530.673871]  ? skb_scrub_packet+0x490/0x490
[  530.675909] (M) 
[  530.679626]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  530.681930] 4*512kB 
[  530.686250]  ? queue_work_on+0x12c/0x1e0
[  530.688200] (UM) 
[  530.692782]  ? switchdev_port_obj_del+0xdc/0x450
[  530.695086] 3*1024kB (UM) 
[  530.699158]  ? switchdev_trans_item_enqueue+0x260/0x260
[  530.701196] 3*2048kB 
[  530.705952]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  530.708770] (UM) 
[  530.714136]  __br_mdb_notify+0x4ff/0x15d0
[  530.716523] 3*4096kB 
[  530.721544]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  530.723579] (M) 
[  530.728078]  ? __br_mdb_add+0x800/0x800
[  530.730460] = 25276kB
[  530.735557]  ? kasan_check_write+0x14/0x20
[  530.737510] Node 0 
[  530.741481]  ? do_raw_spin_lock+0xc1/0x200
[  530.743870] Normal: 
[  530.748298]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  530.750512] 1058*4kB 
[  530.754760]  ? debug_object_assert_init+0x368/0x4b0
[  530.757064] (UMEH) 
[  530.762167]  ? debug_object_init_on_stack+0x20/0x20
[  530.764562] 417*8kB 
[  530.769589]  ? graph_lock+0x170/0x170
[  530.771806] (UMEH) 
[  530.776819]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  530.779115] 179*16kB (UME) 
[  530.782929]  br_mdb_notify+0x310/0x410
[  530.785145] 63*32kB (UMEH) 
[  530.790688]  ? br_mdb_dump+0x2530/0x2530
[  530.793591] 21*64kB (UMH) 
[  530.797495]  br_multicast_del_pg+0x3df/0x790
[  530.800399] 2*128kB 
[  530.804457]  ? br_mdb_ip_get+0x940/0x940
[  530.807278] (MH) 
[  530.811708]  ? kasan_check_write+0x14/0x20
[  530.814008] 0*256kB 
[  530.818070]  ? do_raw_spin_lock+0xc1/0x200
[  530.820113] 0*512kB 
[  530.824348]  br_multicast_port_group_expired+0x189/0x1e0
[  530.826650] 0*1024kB 
[  530.830884]  call_timer_fn+0x272/0x920
[  530.833188] 0*2048kB 
[  530.838629]  ? br_multicast_del_pg+0x790/0x790
[  530.841026] 0*4096kB 
[  530.844914]  ? process_timeout+0x40/0x40
[  530.847300] = 14048kB
[  530.851878]  ? find_held_lock+0x36/0x1c0
[  530.854275] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  530.858345]  ? __run_timers+0x7da/0xc70
[  530.860736] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  530.864792]  ? _raw_spin_unlock_irq+0x27/0x80
[  530.873605] 164 total pagecache pages
[  530.877578]  ? _raw_spin_unlock_irq+0x27/0x80
[  530.886134] 0 pages in swap cache
[  530.890637]  ? br_multicast_del_pg+0x790/0x790
[  530.894446] Swap cache stats: add 0, delete 0, find 0/0
[  530.899300]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  530.902731] Free swap  = 0kB
[  530.907307]  ? trace_hardirqs_on+0xbd/0x310
[  530.912649] Total swap = 0kB
[  530.917230]  ? kasan_check_read+0x11/0x20
[  530.920229] 1965979 pages RAM
[  530.924553]  ? __run_timers+0x7da/0xc70
[  530.927546] 0 pages HighMem/MovableOnly
[  530.927555] 344031 pages reserved
[  530.931703]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  530.934785] 0 pages cma reserved
[  530.938759]  ? br_multicast_del_pg+0x790/0x790
[  530.942778] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  530.946167]  ? br_multicast_del_pg+0x790/0x790
[  530.951700] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  530.954979]  __run_timers+0x7e5/0xc70
[  530.959539] syz-executor4 cpuset=
[  530.966040]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  530.970598] syz4
[  530.981087]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  530.984863]  mems_allowed=0
[  530.988312]  ? graph_lock+0x170/0x170
[  531.007361]  ? enqueue_hrtimer+0x1a5/0x560
[  531.011614]  ? lock_release+0x970/0x970
[  531.015599]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  531.020804]  ? find_held_lock+0x36/0x1c0
[  531.024874]  ? graph_lock+0x170/0x170
[  531.028688]  ? pvclock_read_flags+0x160/0x160
[  531.033192]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  531.038752]  ? check_preemption_disabled+0x48/0x200
[  531.043788]  ? __lock_is_held+0xb5/0x140
[  531.047858]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  531.053405]  ? check_preemption_disabled+0x48/0x200
[  531.058435]  run_timer_softirq+0x52/0xb0
[  531.062505]  ? rcu_read_lock_sched_held+0x108/0x120
[  531.067528]  __do_softirq+0x30b/0xad8
[  531.071345]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  531.076462]  ? pvclock_read_flags+0x160/0x160
[  531.080962]  ? lapic_next_event+0x5a/0x90
[  531.085117]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  531.090665]  ? check_preemption_disabled+0x48/0x200
[  531.095700]  ? check_preemption_disabled+0x48/0x200
[  531.100728]  ? kvm_clock_read+0x18/0x30
[  531.104705]  ? kvm_sched_clock_read+0x9/0x20
[  531.109121]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  531.114665]  ? check_preemption_disabled+0x48/0x200
[  531.119702]  irq_exit+0x17f/0x1c0
[  531.123168]  smp_apic_timer_interrupt+0x1cb/0x760
[  531.128011]  ? smp_reschedule_interrupt+0x109/0x650
[  531.133035]  ? smp_call_function_single_interrupt+0x650/0x650
[  531.138927]  ? interrupt_entry+0xb5/0xf0
[  531.142995]  ? trace_hardirqs_off_caller+0xbb/0x310
[  531.148015]  ? trace_hardirqs_off_caller+0xbb/0x310
[  531.153036]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  531.157883]  ? trace_hardirqs_on_caller+0x310/0x310
[  531.162900]  ? trace_hardirqs_on_caller+0x310/0x310
[  531.167921]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  531.173466]  ? check_preemption_disabled+0x48/0x200
[  531.178485]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  531.184034]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  531.188892]  apic_timer_interrupt+0xf/0x20
[  531.193141]  </IRQ>
[  531.195418] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  531.200353] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  531.219275] RSP: 0000:ffff8801866cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  531.226995] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  531.234284] RDX: 0000000000000000 RSI: ffff8801ce554f00 RDI: 0000000000000286
[  531.241556] RBP: ffff8801866cf7b0 R08: ffff8801ce554680 R09: 0000000000000000
[  531.248826] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  531.256098] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  531.263429]  skb_clone+0x1bb/0x500
[  531.266976]  ? finish_task_switch+0x2f5/0x900
[  531.271486]  ? skb_split+0x11e0/0x11e0
[  531.275391]  ? preempt_notifier_register+0x200/0x200
[  531.280502]  ? __switch_to_asm+0x34/0x70
[  531.284568]  ? __switch_to_asm+0x34/0x70
[  531.288638]  ? __switch_to_asm+0x40/0x70
[  531.292702]  ? __switch_to_asm+0x34/0x70
[  531.296765]  ? __switch_to_asm+0x40/0x70
[  531.301012]  ? __switch_to_asm+0x34/0x70
[  531.305080]  ? __switch_to_asm+0x40/0x70
[  531.309150]  ? __switch_to_asm+0x34/0x70
[  531.313219]  ? __switch_to_asm+0x34/0x70
[  531.317281]  ? __switch_to_asm+0x40/0x70
[  531.321341]  ? __switch_to_asm+0x34/0x70
[  531.325416]  bpf_clone_redirect+0xb9/0x490
[  531.329655]  ? __schedule+0x874/0x1ed0
[  531.333551]  bpf_prog_3d1649e183dc2cc1+0x379/0x1000
[  531.338575]  ? __sched_text_start+0x8/0x8
[  531.342735]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  531.347509]  ? find_held_lock+0x36/0x1c0
[  531.351585]  ? lock_acquire+0x1ed/0x520
[  531.355568]  ? bpf_test_run+0x32e/0x5a0
[  531.359549]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  531.365091]  ? check_preemption_disabled+0x48/0x200
[  531.370118]  ? kasan_check_read+0x11/0x20
[  531.374298]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  531.379592]  ? rcu_bh_qs+0xc0/0xc0
[  531.383138]  ? preempt_schedule+0x4d/0x60
[  531.387300]  ? ___preempt_schedule+0x16/0x18
[  531.391725]  ? bpf_test_run+0x1c0/0x5a0
[  531.395717]  ? netlink_diag_dump+0x2a0/0x2a0
[  531.400134]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  531.405685]  ? bpf_test_init.isra.9+0x70/0x100
[  531.410276]  ? bpf_prog_test_run_skb+0x634/0xb40
[  531.415045]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  531.419895]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  531.425437]  ? fput+0x130/0x1a0
[  531.428723]  ? __bpf_prog_get+0x9b/0x290
[  531.432798]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  531.437644]  ? bpf_prog_test_run+0x130/0x1a0
[  531.442061]  ? __x64_sys_bpf+0x3d8/0x510
[  531.446127]  ? bpf_prog_get+0x20/0x20
[  531.449962]  ? do_syscall_64+0x1b9/0x820
[  531.454028]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  531.459425]  ? syscall_return_slowpath+0x5e0/0x5e0
[  531.464360]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  531.469220]  ? trace_hardirqs_on_caller+0x310/0x310
[  531.474274]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  531.479301]  ? prepare_exit_to_usermode+0x291/0x3b0
[  531.484330]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  531.489195]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  531.494607] CPU: 0 PID: 11399 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  531.494795] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  531.501986] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  531.501998] Call Trace:
[  531.512478] syz-executor4 cpuset=
[  531.521824]  <IRQ>
[  531.524417] syz4
[  531.527872]  dump_stack+0x1c4/0x2b4
[  531.530034]  mems_allowed=0
[  531.532016]  ? dump_stack_print_info.cold.2+0x52/0x52
[  531.543823]  warn_alloc.cold.119+0xb7/0x1bd
[  531.548174]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  531.553025]  ? lock_downgrade+0x900/0x900
[  531.557187]  ? trace_hardirqs_off+0xb8/0x310
[  531.561608]  ? trace_hardirqs_off+0xb8/0x310
[  531.566037]  __alloc_pages_slowpath+0x2667/0x2d80
[  531.570947]  ? warn_alloc+0x120/0x120
[  531.574849]  ? trace_hardirqs_on+0x310/0x310
[  531.579267]  ? warn_alloc+0x120/0x120
[  531.583096]  ? print_usage_bug+0xc0/0xc0
[  531.587291]  ? warn_alloc+0x120/0x120
[  531.591110]  ? ktime_get+0x2e1/0x440
[  531.594829]  ? print_usage_bug+0xc0/0xc0
[  531.598900]  ? __lock_acquire+0x7ec/0x4ec0
[  531.603143]  ? __lock_acquire+0x7ec/0x4ec0
[  531.607402]  ? kasan_check_read+0x11/0x20
[  531.611581]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  531.617134]  ? should_fail+0x22d/0xd01
[  531.621031]  ? rcu_bh_qs+0xc0/0xc0
[  531.624578]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  531.629689]  ? __lock_acquire+0x7ec/0x4ec0
[  531.633998]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  531.639107]  ? __lock_acquire+0x7ec/0x4ec0
[  531.643343]  ? should_fail+0x22d/0xd01
[  531.647235]  ? rcu_idle_enter+0x4b0/0x4b0
[  531.651405]  ? mark_held_locks+0x130/0x130
[  531.655826]  ? mark_held_locks+0x130/0x130
[  531.660072]  ? mark_held_locks+0xc7/0x130
[  531.664226]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  531.669332]  ? graph_lock+0x170/0x170
[  531.673137]  ? print_usage_bug+0xc0/0xc0
[  531.677212]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  531.682752]  ? check_preemption_disabled+0x48/0x200
[  531.687770]  ? check_preemption_disabled+0x48/0x200
[  531.692799]  ? __lock_is_held+0xb5/0x140
[  531.696874]  __alloc_pages_nodemask+0xa80/0xde0
[  531.701549]  ? graph_lock+0x170/0x170
[  531.705363]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  531.710412]  ? graph_lock+0x170/0x170
[  531.714227]  ? find_held_lock+0x36/0x1c0
[  531.718302]  ? ____cache_alloc_node+0x1c7/0x1e0
[  531.722975]  ? lock_downgrade+0x900/0x900
[  531.727142]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  531.732699]  cache_grow_begin+0x91/0x8c0
[  531.736772]  ? do_raw_spin_unlock+0xa7/0x2f0
[  531.741197]  fallback_alloc+0x203/0x2e0
[  531.745182]  ____cache_alloc_node+0x1c7/0x1e0
[  531.749690]  kmem_cache_alloc_node+0xe3/0x730
[  531.754190]  ? ipv6_get_ifaddr+0x42e/0x620
[  531.758444]  __alloc_skb+0x119/0x770
[  531.762163]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  531.767450]  ? skb_scrub_packet+0x490/0x490
[  531.771781]  ? lock_downgrade+0x900/0x900
[  531.775944]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  531.781489]  ? refcount_sub_and_test_checked+0x203/0x310
[  531.786952]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  531.792414]  ? addrconf_rs_timer+0x6f0/0x6f0
[  531.796840]  ndisc_alloc_skb+0x144/0x340
[  531.800937]  ndisc_send_rs+0x331/0x6e0
[  531.804875]  addrconf_rs_timer+0x3c0/0x6f0
[  531.809142]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  531.813404]  call_timer_fn+0x272/0x920
[  531.817323]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  531.821568]  ? process_timeout+0x40/0x40
[  531.825655]  ? find_held_lock+0x36/0x1c0
[  531.829731]  ? __run_timers+0x7da/0xc70
[  531.833719]  ? _raw_spin_unlock_irq+0x27/0x80
[  531.838249]  ? _raw_spin_unlock_irq+0x27/0x80
[  531.842757]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  531.846996]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  531.851591]  ? trace_hardirqs_on+0xbd/0x310
[  531.855912]  ? kasan_check_read+0x11/0x20
[  531.860083]  ? __run_timers+0x7da/0xc70
[  531.864065]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  531.869524]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  531.873768]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  531.878004]  __run_timers+0x7e5/0xc70
[  531.881821]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  531.887191]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  531.892211]  ? graph_lock+0x170/0x170
[  531.896019]  ? enqueue_hrtimer+0x1a5/0x560
[  531.900254]  ? lock_release+0x970/0x970
[  531.904231]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  531.909436]  ? find_held_lock+0x36/0x1c0
[  531.913507]  ? graph_lock+0x170/0x170
[  531.917315]  ? pvclock_read_flags+0x160/0x160
[  531.921917]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  531.927463]  ? check_preemption_disabled+0x48/0x200
[  531.932495]  ? __lock_is_held+0xb5/0x140
[  531.936561]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  531.942107]  ? check_preemption_disabled+0x48/0x200
[  531.947144]  run_timer_softirq+0x52/0xb0
[  531.951210]  ? rcu_read_lock_sched_held+0x108/0x120
[  531.956230]  __do_softirq+0x30b/0xad8
[  531.960045]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  531.965158]  ? pvclock_read_flags+0x160/0x160
[  531.969682]  ? lapic_next_event+0x5a/0x90
[  531.973840]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  531.979391]  ? check_preemption_disabled+0x48/0x200
[  531.984418]  ? check_preemption_disabled+0x48/0x200
[  531.989447]  ? kvm_clock_read+0x18/0x30
[  531.993433]  ? kvm_sched_clock_read+0x9/0x20
[  531.997855]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  532.003403]  ? check_preemption_disabled+0x48/0x200
[  532.008438]  irq_exit+0x17f/0x1c0
[  532.012951]  smp_apic_timer_interrupt+0x1cb/0x760
[  532.017798]  ? smp_reschedule_interrupt+0x109/0x650
[  532.022817]  ? smp_call_function_single_interrupt+0x650/0x650
[  532.028708]  ? interrupt_entry+0xb5/0xf0
[  532.032776]  ? trace_hardirqs_off_caller+0xbb/0x310
[  532.037798]  ? trace_hardirqs_off_caller+0xbb/0x310
[  532.042821]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  532.047688]  ? trace_hardirqs_on_caller+0x310/0x310
[  532.052707]  ? trace_hardirqs_on_caller+0x310/0x310
[  532.057727]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  532.063268]  ? check_preemption_disabled+0x48/0x200
[  532.068287]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  532.073836]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  532.078690]  apic_timer_interrupt+0xf/0x20
[  532.082918]  </IRQ>
[  532.085159] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  532.090094] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  532.108997] RSP: 0000:ffff8801ba62f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  532.116708] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  532.123995] RDX: 0000000000000000 RSI: ffff8801b881aa80 RDI: 0000000000000286
[  532.131267] RBP: ffff8801ba62f7b0 R08: ffff8801b881a200 R09: 0000000000000000
[  532.138544] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  532.145834] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  532.153154]  skb_clone+0x1bb/0x500
[  532.156701]  ? finish_task_switch+0x1b5/0x900
[  532.161204]  ? skb_split+0x11e0/0x11e0
[  532.165103]  ? preempt_notifier_register+0x200/0x200
[  532.170210]  ? __switch_to_asm+0x34/0x70
[  532.174279]  ? __switch_to_asm+0x34/0x70
[  532.178345]  ? __switch_to_asm+0x40/0x70
[  532.182430]  ? __switch_to_asm+0x34/0x70
[  532.186498]  ? __switch_to_asm+0x40/0x70
[  532.190571]  ? __switch_to_asm+0x34/0x70
[  532.194640]  ? __switch_to_asm+0x40/0x70
[  532.198711]  ? __switch_to_asm+0x34/0x70
[  532.202778]  ? __switch_to_asm+0x34/0x70
[  532.206839]  ? __switch_to_asm+0x40/0x70
[  532.210903]  ? __switch_to_asm+0x34/0x70
[  532.214978]  bpf_clone_redirect+0xb9/0x490
[  532.219217]  ? __schedule+0x874/0x1ed0
[  532.223113]  bpf_prog_3d1649e183dc2cc1+0xcce/0x1000
[  532.228138]  ? __sched_text_start+0x8/0x8
[  532.232299]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  532.237071]  ? find_held_lock+0x36/0x1c0
[  532.241163]  ? lock_acquire+0x1ed/0x520
[  532.245145]  ? bpf_test_run+0x32e/0x5a0
[  532.249125]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  532.254669]  ? check_preemption_disabled+0x48/0x200
[  532.259696]  ? kasan_check_read+0x11/0x20
[  532.263850]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  532.269134]  ? rcu_bh_qs+0xc0/0xc0
[  532.272683]  ? preempt_schedule+0x4d/0x60
[  532.276838]  ? ___preempt_schedule+0x16/0x18
[  532.281261]  ? bpf_test_run+0x1c0/0x5a0
[  532.285252]  ? netlink_diag_dump+0x2a0/0x2a0
[  532.289678]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  532.295225]  ? bpf_test_init.isra.9+0x70/0x100
[  532.299843]  ? bpf_prog_test_run_skb+0x634/0xb40
[  532.304615]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  532.309466]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  532.315008]  ? fput+0x130/0x1a0
[  532.318293]  ? __bpf_prog_get+0x9b/0x290
[  532.322367]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  532.327221]  ? bpf_prog_test_run+0x130/0x1a0
[  532.331639]  ? __x64_sys_bpf+0x3d8/0x510
[  532.335708]  ? bpf_prog_get+0x20/0x20
[  532.339537]  ? do_syscall_64+0x1b9/0x820
[  532.343602]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  532.348971]  ? syscall_return_slowpath+0x5e0/0x5e0
[  532.353902]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  532.358755]  ? trace_hardirqs_on_caller+0x310/0x310
[  532.363781]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  532.369283]  ? prepare_exit_to_usermode+0x291/0x3b0
[  532.374310]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  532.379166]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  532.384721] warn_alloc_show_mem: 1 callbacks suppressed
[  532.384733] CPU: 1 PID: 11390 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  532.384735] Mem-Info:
[  532.384767] active_anon:122480 inactive_anon:112 isolated_anon:0
[  532.384767]  active_file:16 inactive_file:5 isolated_file:0
[  532.384767]  unevictable:0 dirty:0 writeback:0 unstable:0
[  532.384767]  slab_reclaimable:9164 slab_unreclaimable:1399977
[  532.384767]  mapped:40962 shmem:118 pagetables:796 bounce:0
[  532.384767]  free:13728 free_pcp:0 free_cma:0
[  532.390106] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  532.397472] Node 0 active_anon:489920kB inactive_anon:448kB active_file:64kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:472kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 471040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  532.399873] Call Trace:
[  532.432579] Node 0 
[  532.441953]  <IRQ>
[  532.469494] 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
[  532.472064]  dump_stack+0x1c4/0x2b4
[  532.474283] lowmem_reserve[]:
[  532.476439]  ? dump_stack_print_info.cold.2+0x52/0x52
[  532.502278]  0 2813
[  532.506447]  warn_alloc.cold.119+0xb7/0x1bd
[  532.509511]  6317 6317
[  532.514708]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  532.521244]  ? lock_downgrade+0x900/0x900
[  532.523721] Node 0 
[  532.528571]  ? trace_hardirqs_off+0xb8/0x310
[  532.532747] DMA32 free:25276kB min:30028kB low:37532kB high:45036kB active_anon:12288kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2884608kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  532.534983]  ? trace_hardirqs_off+0xb8/0x310
[  532.539359] lowmem_reserve[]: 0
[  532.566647]  __alloc_pages_slowpath+0x2667/0x2d80
[  532.571030]  0 3503
[  532.574346]  ? warn_alloc+0x120/0x120
[  532.579130]  3503
[  532.581391]  ? warn_alloc+0x120/0x120
[  532.585168] Node 0 
[  532.587231]  ? check_preemption_disabled+0x48/0x200
[  532.591033] Normal free:13728kB min:37384kB low:46728kB high:56072kB active_anon:477632kB inactive_anon:448kB active_file:64kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3587276kB mlocked:0kB kernel_stack:5408kB pagetables:3184kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  532.593243]  ? print_usage_bug+0xc0/0xc0
[  532.598231] lowmem_reserve[]: 0
[  532.626263]  ? warn_alloc+0x120/0x120
[  532.630399]  0
[  532.633676]  ? print_usage_bug+0xc0/0xc0
[  532.637454]  0
[  532.639258]  ? mark_held_locks+0x130/0x130
[  532.643297]  0
[  532.645095]  ? __lock_is_held+0xb5/0x140
[  532.651111]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  532.655241] Node 0 
[  532.660773]  ? should_fail+0x22d/0xd01
[  532.660783] DMA: 
[  532.663020]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  532.666885] 1*4kB 
[  532.668948]  ? __lock_acquire+0x7ec/0x4ec0
[  532.674026] (U) 
[  532.676178]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  532.680398] 0*8kB 
[  532.682369]  ? should_fail+0x22d/0xd01
[  532.687456] 0*16kB 
[  532.689613]  ? mark_held_locks+0x130/0x130
[  532.693470] 1*32kB 
[  532.695702]  ? mark_held_locks+0x130/0x130
[  532.699916] (U) 
[  532.702156]  ? print_usage_bug+0xc0/0xc0
[  532.706378] 2*64kB 
[  532.708359]  ? find_held_lock+0x36/0x1c0
[  532.712401] (U) 
[  532.714639]  ? graph_lock+0x170/0x170
[  532.718686] 1*128kB 
[  532.720666]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  532.724442] (U) 
[  532.726765]  ? check_preemption_disabled+0x48/0x200
[  532.732275] 1*256kB (U) 
[  532.734261]  ? check_preemption_disabled+0x48/0x200
[  532.739257] 0*512kB 
[  532.741930]  ? __lock_is_held+0xb5/0x140
[  532.746922] 1*1024kB 
[  532.749245]  __alloc_pages_nodemask+0xa80/0xde0
[  532.753277] (U) 
[  532.755684]  ? graph_lock+0x170/0x170
[  532.760330] 1*2048kB 
[  532.762307]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  532.766084] (M) 
[  532.768519]  ? graph_lock+0x170/0x170
[  532.773512] 3*4096kB 
[  532.775495]  ? find_held_lock+0x36/0x1c0
[  532.779296] (M) 
[  532.781745]  ? ____cache_alloc_node+0x1c7/0x1e0
[  532.785781] = 15908kB
[  532.787754]  ? lock_downgrade+0x900/0x900
[  532.792409] Node 0 
[  532.794820]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  532.798942] DMA32: 
[  532.801182]  cache_grow_begin+0x91/0x8c0
[  532.806694] 5*4kB 
[  532.808933]  ? do_raw_spin_unlock+0xa7/0x2f0
[  532.812969] (UM) 
[  532.815120]  fallback_alloc+0x203/0x2e0
[  532.819507] 1*8kB 
[  532.821576]  ____cache_alloc_node+0x1c7/0x1e0
[  532.825525] (U) 
[  532.827678]  kmem_cache_alloc_node+0xe3/0x730
[  532.832158] 4*16kB 
[  532.834148]  ? mark_held_locks+0xc7/0x130
[  532.838717] (UM) 
[  532.840962]  __alloc_skb+0x119/0x770
[  532.845103] 3*32kB 
[  532.847175]  ? skb_scrub_packet+0x490/0x490
[  532.850864] (UM) 
[  532.853102]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  532.857410] 4*64kB (M) 
[  532.859492]  ? queue_work_on+0x12c/0x1e0
[  532.864056] 4*128kB (UM) 
[  532.866654]  ? switchdev_port_obj_del+0xdc/0x450
[  532.870693] 3*256kB 
[  532.873448]  ? switchdev_trans_item_enqueue+0x260/0x260
[  532.873476]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  532.878225] (M) 
[  532.880551]  __br_mdb_notify+0x4ff/0x15d0
[  532.885893] 4*512kB 
[  532.890934]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  532.892880] (UM) 
[  532.897033]  ? __br_mdb_add+0x800/0x800
[  532.899323] 3*1024kB (UM) 
[  532.904434]  ? kasan_check_write+0x14/0x20
[  532.906473] 3*2048kB (UM) 
[  532.910455]  ? do_raw_spin_lock+0xc1/0x200
[  532.913275] 3*4096kB 
[  532.917512]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  532.920327] (M) 
[  532.924560]  ? debug_object_assert_init+0x368/0x4b0
[  532.926952] = 25276kB
[  532.932049]  ? debug_object_init_on_stack+0x20/0x20
[  532.934008] Node 0 
[  532.939024]  ? graph_lock+0x170/0x170
[  532.941411] Normal: 1058*4kB 
[  532.946431]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  532.948650] (UMEH) 
[  532.952469]  br_mdb_notify+0x310/0x410
[  532.955551] 417*8kB 
[  532.961081]  ? br_mdb_dump+0x2530/0x2530
[  532.963330] (UMEH) 
[  532.967227]  br_multicast_del_pg+0x3df/0x790
[  532.969516] 179*16kB (UME) 
[  532.973596]  ? br_mdb_ip_get+0x940/0x940
[  532.975817] 63*32kB (UMEH) 
[  532.980234]  ? kasan_check_write+0x14/0x20
[  532.983139] 21*64kB (UMH) 
[  532.987217]  ? do_raw_spin_lock+0xc1/0x200
[  532.990125] 2*128kB 
[  532.994361]  br_multicast_port_group_expired+0x189/0x1e0
[  532.997180] (MH) 
[  533.001424]  call_timer_fn+0x272/0x920
[  533.003722] 0*256kB 
[  533.009175]  ? br_multicast_del_pg+0x790/0x790
[  533.011211] 0*512kB 0*1024kB 
[  533.015112]  ? process_timeout+0x40/0x40
[  533.017426] 0*2048kB 
[  533.022023]  ? find_held_lock+0x36/0x1c0
[  533.025106] 0*4096kB 
[  533.029172]  ? __run_timers+0x7da/0xc70
[  533.031546] = 14048kB
[  533.031563] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  533.035613]  ? _raw_spin_unlock_irq+0x27/0x80
[  533.038002] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  533.041966]  ? _raw_spin_unlock_irq+0x27/0x80
[  533.044354] 164 total pagecache pages
[  533.053198]  ? br_multicast_del_pg+0x790/0x790
[  533.057681] 0 pages in swap cache
[  533.066339]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  533.070815] Swap cache stats: add 0, delete 0, find 0/0
[  533.070824] Free swap  = 0kB
[  533.074620]  ? trace_hardirqs_on+0xbd/0x310
[  533.079178] Total swap = 0kB
[  533.082626]  ? kasan_check_read+0x11/0x20
[  533.087192] 1965979 pages RAM
[  533.092555]  ? __run_timers+0x7da/0xc70
[  533.095548] 0 pages HighMem/MovableOnly
[  533.095558] 344031 pages reserved
[  533.099876]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  533.102879] 0 pages cma reserved
[  533.107043]  ? br_multicast_del_pg+0x790/0x790
[  533.110197] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  533.114117]  ? br_multicast_del_pg+0x790/0x790
[  533.118166] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  533.121531]  __run_timers+0x7e5/0xc70
[  533.126985] syz-executor4 cpuset=
[  533.130576]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  533.135154] syz4
[  533.141644]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  533.146213]  mems_allowed=0
[  533.156707]  ? graph_lock+0x170/0x170
[  533.182970]  ? enqueue_hrtimer+0x1a5/0x560
[  533.187212]  ? lock_release+0x970/0x970
[  533.191193]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  533.196403]  ? find_held_lock+0x36/0x1c0
[  533.200473]  ? graph_lock+0x170/0x170
[  533.204287]  ? pvclock_read_flags+0x160/0x160
[  533.208793]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  533.214336]  ? check_preemption_disabled+0x48/0x200
[  533.219381]  ? __lock_is_held+0xb5/0x140
[  533.223459]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  533.229008]  ? check_preemption_disabled+0x48/0x200
[  533.234038]  run_timer_softirq+0x52/0xb0
[  533.238104]  ? rcu_read_lock_sched_held+0x108/0x120
[  533.243149]  __do_softirq+0x30b/0xad8
[  533.246970]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  533.252085]  ? pvclock_read_flags+0x160/0x160
[  533.256582]  ? lapic_next_event+0x5a/0x90
[  533.260737]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  533.266277]  ? check_preemption_disabled+0x48/0x200
[  533.271295]  ? check_preemption_disabled+0x48/0x200
[  533.276325]  ? kvm_clock_read+0x18/0x30
[  533.280304]  ? kvm_sched_clock_read+0x9/0x20
[  533.284724]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  533.290264]  ? check_preemption_disabled+0x48/0x200
[  533.295300]  irq_exit+0x17f/0x1c0
[  533.298761]  smp_apic_timer_interrupt+0x1cb/0x760
[  533.303604]  ? smp_reschedule_interrupt+0x109/0x650
[  533.308625]  ? smp_call_function_single_interrupt+0x650/0x650
[  533.314519]  ? interrupt_entry+0xb5/0xf0
[  533.318591]  ? trace_hardirqs_off_caller+0xbb/0x310
[  533.323614]  ? trace_hardirqs_off_caller+0xbb/0x310
[  533.328637]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  533.333483]  ? trace_hardirqs_on_caller+0x310/0x310
[  533.338502]  ? trace_hardirqs_on_caller+0x310/0x310
[  533.343521]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  533.349061]  ? check_preemption_disabled+0x48/0x200
[  533.354093]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  533.359653]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  533.364512]  apic_timer_interrupt+0xf/0x20
[  533.368747]  </IRQ>
[  533.370991] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  533.375929] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  533.394866] RSP: 0000:ffff8801866cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  533.402618] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  533.409893] RDX: 0000000000000000 RSI: ffff8801ce554f00 RDI: 0000000000000286
[  533.417178] RBP: ffff8801866cf7b0 R08: ffff8801ce554680 R09: 0000000000000000
[  533.424467] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  533.431753] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  533.439084]  skb_clone+0x1bb/0x500
[  533.442635]  ? finish_task_switch+0x2f5/0x900
[  533.447142]  ? skb_split+0x11e0/0x11e0
[  533.451041]  ? preempt_notifier_register+0x200/0x200
[  533.456156]  ? __switch_to_asm+0x34/0x70
[  533.460230]  ? __switch_to_asm+0x34/0x70
[  533.464314]  ? __switch_to_asm+0x40/0x70
[  533.468377]  ? __switch_to_asm+0x34/0x70
[  533.472454]  ? __switch_to_asm+0x40/0x70
[  533.476517]  ? __switch_to_asm+0x34/0x70
[  533.480584]  ? __switch_to_asm+0x40/0x70
[  533.484653]  ? __switch_to_asm+0x34/0x70
[  533.488721]  ? __switch_to_asm+0x34/0x70
[  533.492786]  ? __switch_to_asm+0x40/0x70
[  533.497191]  ? __switch_to_asm+0x34/0x70
[  533.501264]  bpf_clone_redirect+0xb9/0x490
[  533.505505]  ? __schedule+0x874/0x1ed0
[  533.509413]  bpf_prog_3d1649e183dc2cc1+0x379/0x1000
[  533.514445]  ? __sched_text_start+0x8/0x8
[  533.518608]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  533.523396]  ? find_held_lock+0x36/0x1c0
[  533.527498]  ? lock_acquire+0x1ed/0x520
[  533.531500]  ? bpf_test_run+0x32e/0x5a0
[  533.535484]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  533.541047]  ? check_preemption_disabled+0x48/0x200
[  533.546091]  ? kasan_check_read+0x11/0x20
[  533.550247]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  533.555547]  ? rcu_bh_qs+0xc0/0xc0
[  533.559096]  ? preempt_schedule+0x4d/0x60
[  533.563253]  ? ___preempt_schedule+0x16/0x18
[  533.567678]  ? bpf_test_run+0x1c0/0x5a0
[  533.571672]  ? netlink_diag_dump+0x2a0/0x2a0
[  533.576088]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  533.581639]  ? bpf_test_init.isra.9+0x70/0x100
[  533.586230]  ? bpf_prog_test_run_skb+0x634/0xb40
[  533.591002]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  533.595849]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  533.601399]  ? fput+0x130/0x1a0
[  533.604690]  ? __bpf_prog_get+0x9b/0x290
[  533.608764]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  533.613613]  ? bpf_prog_test_run+0x130/0x1a0
[  533.618031]  ? __x64_sys_bpf+0x3d8/0x510
[  533.622096]  ? bpf_prog_get+0x20/0x20
[  533.625931]  ? do_syscall_64+0x1b9/0x820
[  533.630008]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  533.635390]  ? syscall_return_slowpath+0x5e0/0x5e0
[  533.640325]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  533.645188]  ? trace_hardirqs_on_caller+0x310/0x310
[  533.650217]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  533.655242]  ? prepare_exit_to_usermode+0x291/0x3b0
[  533.660277]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  533.665142]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  533.670540] CPU: 0 PID: 11399 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  533.670701] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  533.677915] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  533.677925] Call Trace:
[  533.688410] syz-executor4 cpuset=
[  533.697754]  <IRQ>
[  533.700323] syz4
[  533.703775]  dump_stack+0x1c4/0x2b4
[  533.705907]  mems_allowed=0
[  533.707879]  ? dump_stack_print_info.cold.2+0x52/0x52
[  533.719609]  warn_alloc.cold.119+0xb7/0x1bd
[  533.723937]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  533.728789]  ? lock_downgrade+0x900/0x900
[  533.732949]  ? trace_hardirqs_off+0xb8/0x310
[  533.737372]  ? trace_hardirqs_off+0xb8/0x310
[  533.741804]  __alloc_pages_slowpath+0x2667/0x2d80
[  533.746713]  ? warn_alloc+0x120/0x120
[  533.750520]  ? trace_hardirqs_on+0x310/0x310
[  533.754936]  ? warn_alloc+0x120/0x120
[  533.758747]  ? print_usage_bug+0xc0/0xc0
[  533.762819]  ? warn_alloc+0x120/0x120
[  533.766631]  ? ktime_get+0x2e1/0x440
[  533.770358]  ? print_usage_bug+0xc0/0xc0
[  533.774434]  ? __lock_acquire+0x7ec/0x4ec0
[  533.778685]  ? __lock_acquire+0x7ec/0x4ec0
[  533.782934]  ? kasan_check_read+0x11/0x20
[  533.787092]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  533.792638]  ? should_fail+0x22d/0xd01
[  533.796539]  ? rcu_bh_qs+0xc0/0xc0
[  533.800095]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  533.805209]  ? __lock_acquire+0x7ec/0x4ec0
[  533.809462]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  533.814570]  ? __lock_acquire+0x7ec/0x4ec0
[  533.818809]  ? should_fail+0x22d/0xd01
[  533.822727]  ? rcu_idle_enter+0x4b0/0x4b0
[  533.826893]  ? mark_held_locks+0x130/0x130
[  533.831138]  ? mark_held_locks+0x130/0x130
[  533.835410]  ? mark_held_locks+0xc7/0x130
[  533.839573]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  533.844613]  ? graph_lock+0x170/0x170
[  533.848426]  ? print_usage_bug+0xc0/0xc0
[  533.852494]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  533.858054]  ? check_preemption_disabled+0x48/0x200
[  533.863072]  ? check_preemption_disabled+0x48/0x200
[  533.868103]  ? __lock_is_held+0xb5/0x140
[  533.872177]  __alloc_pages_nodemask+0xa80/0xde0
[  533.876855]  ? graph_lock+0x170/0x170
[  533.880672]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  533.885690]  ? graph_lock+0x170/0x170
[  533.889510]  ? find_held_lock+0x36/0x1c0
[  533.893589]  ? ____cache_alloc_node+0x1c7/0x1e0
[  533.898269]  ? lock_downgrade+0x900/0x900
[  533.902441]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  533.907997]  cache_grow_begin+0x91/0x8c0
[  533.912069]  ? do_raw_spin_unlock+0xa7/0x2f0
[  533.916521]  fallback_alloc+0x203/0x2e0
[  533.920516]  ____cache_alloc_node+0x1c7/0x1e0
[  533.925030]  kmem_cache_alloc_node+0xe3/0x730
[  533.929530]  ? ipv6_get_ifaddr+0x42e/0x620
[  533.933783]  __alloc_skb+0x119/0x770
[  533.937519]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  533.942812]  ? skb_scrub_packet+0x490/0x490
[  533.947164]  ? lock_downgrade+0x900/0x900
[  533.951331]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  533.956876]  ? refcount_sub_and_test_checked+0x203/0x310
[  533.962336]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  533.967790]  ? addrconf_rs_timer+0x6f0/0x6f0
[  533.972221]  ndisc_alloc_skb+0x144/0x340
[  533.976296]  ndisc_send_rs+0x331/0x6e0
[  533.980205]  addrconf_rs_timer+0x3c0/0x6f0
[  533.984450]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  533.988703]  call_timer_fn+0x272/0x920
[  533.992594]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  533.996836]  ? process_timeout+0x40/0x40
[  534.000898]  ? find_held_lock+0x36/0x1c0
[  534.004976]  ? __run_timers+0x7da/0xc70
[  534.008958]  ? _raw_spin_unlock_irq+0x27/0x80
[  534.013458]  ? _raw_spin_unlock_irq+0x27/0x80
[  534.017958]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  534.022197]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  534.026801]  ? trace_hardirqs_on+0xbd/0x310
[  534.031125]  ? kasan_check_read+0x11/0x20
[  534.035281]  ? __run_timers+0x7da/0xc70
[  534.039259]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  534.044723]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  534.048965]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  534.053205]  __run_timers+0x7e5/0xc70
[  534.057031]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  534.062411]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  534.067438]  ? graph_lock+0x170/0x170
[  534.071332]  ? enqueue_hrtimer+0x1a5/0x560
[  534.075745]  ? lock_release+0x970/0x970
[  534.079725]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  534.084925]  ? find_held_lock+0x36/0x1c0
[  534.089001]  ? graph_lock+0x170/0x170
[  534.092897]  ? pvclock_read_flags+0x160/0x160
[  534.097407]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  534.103053]  ? check_preemption_disabled+0x48/0x200
[  534.108088]  ? __lock_is_held+0xb5/0x140
[  534.112156]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  534.117698]  ? check_preemption_disabled+0x48/0x200
[  534.122737]  run_timer_softirq+0x52/0xb0
[  534.126805]  ? rcu_read_lock_sched_held+0x108/0x120
[  534.131831]  __do_softirq+0x30b/0xad8
[  534.135659]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  534.140774]  ? pvclock_read_flags+0x160/0x160
[  534.145281]  ? lapic_next_event+0x5a/0x90
[  534.149436]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  534.154975]  ? check_preemption_disabled+0x48/0x200
[  534.159993]  ? check_preemption_disabled+0x48/0x200
[  534.165020]  ? kvm_clock_read+0x18/0x30
[  534.168998]  ? kvm_sched_clock_read+0x9/0x20
[  534.173421]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  534.178986]  ? check_preemption_disabled+0x48/0x200
[  534.184034]  irq_exit+0x17f/0x1c0
[  534.187499]  smp_apic_timer_interrupt+0x1cb/0x760
[  534.192348]  ? smp_reschedule_interrupt+0x109/0x650
[  534.197808]  ? smp_call_function_single_interrupt+0x650/0x650
[  534.203704]  ? interrupt_entry+0xb5/0xf0
[  534.207774]  ? trace_hardirqs_off_caller+0xbb/0x310
[  534.212801]  ? trace_hardirqs_off_caller+0xbb/0x310
[  534.217831]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  534.222764]  ? trace_hardirqs_on_caller+0x310/0x310
[  534.227785]  ? trace_hardirqs_on_caller+0x310/0x310
[  534.232807]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  534.238370]  ? check_preemption_disabled+0x48/0x200
[  534.243407]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  534.248958]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  534.253811]  apic_timer_interrupt+0xf/0x20
[  534.258050]  </IRQ>
[  534.260307] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  534.265244] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  534.284157] RSP: 0000:ffff8801ba62f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  534.291883] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  534.299163] RDX: 0000000000000000 RSI: ffff8801b881aa80 RDI: 0000000000000286
[  534.306438] RBP: ffff8801ba62f7b0 R08: ffff8801b881a200 R09: 0000000000000000
[  534.313717] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  534.320992] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  534.328316]  skb_clone+0x1bb/0x500
[  534.331868]  ? finish_task_switch+0x1b5/0x900
[  534.336368]  ? skb_split+0x11e0/0x11e0
[  534.340278]  ? preempt_notifier_register+0x200/0x200
[  534.345397]  ? __switch_to_asm+0x34/0x70
[  534.349464]  ? __switch_to_asm+0x34/0x70
[  534.353533]  ? __switch_to_asm+0x40/0x70
[  534.357602]  ? __switch_to_asm+0x34/0x70
[  534.361677]  ? __switch_to_asm+0x40/0x70
[  534.366251]  ? __switch_to_asm+0x34/0x70
[  534.370319]  ? __switch_to_asm+0x40/0x70
[  534.374381]  ? __switch_to_asm+0x34/0x70
[  534.378482]  ? __switch_to_asm+0x34/0x70
[  534.382545]  ? __switch_to_asm+0x40/0x70
[  534.386608]  ? __switch_to_asm+0x34/0x70
[  534.390685]  bpf_clone_redirect+0xb9/0x490
[  534.394924]  ? __schedule+0x874/0x1ed0
[  534.398822]  bpf_prog_3d1649e183dc2cc1+0xcce/0x1000
[  534.403846]  ? __sched_text_start+0x8/0x8
[  534.408003]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  534.412791]  ? find_held_lock+0x36/0x1c0
[  534.416864]  ? lock_acquire+0x1ed/0x520
[  534.420847]  ? bpf_test_run+0x32e/0x5a0
[  534.424826]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  534.430367]  ? check_preemption_disabled+0x48/0x200
[  534.435411]  ? kasan_check_read+0x11/0x20
[  534.439571]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  534.444852]  ? rcu_bh_qs+0xc0/0xc0
[  534.448409]  ? preempt_schedule+0x4d/0x60
[  534.452565]  ? ___preempt_schedule+0x16/0x18
[  534.456986]  ? bpf_test_run+0x1c0/0x5a0
[  534.460985]  ? netlink_diag_dump+0x2a0/0x2a0
[  534.465408]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  534.470953]  ? bpf_test_init.isra.9+0x70/0x100
[  534.475549]  ? bpf_prog_test_run_skb+0x634/0xb40
[  534.480323]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  534.485173]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  534.490735]  ? fput+0x130/0x1a0
[  534.494020]  ? __bpf_prog_get+0x9b/0x290
[  534.498279]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  534.503128]  ? bpf_prog_test_run+0x130/0x1a0
[  534.507570]  ? __x64_sys_bpf+0x3d8/0x510
[  534.511640]  ? bpf_prog_get+0x20/0x20
[  534.515476]  ? do_syscall_64+0x1b9/0x820
[  534.519746]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  534.525117]  ? syscall_return_slowpath+0x5e0/0x5e0
[  534.530051]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  534.534902]  ? trace_hardirqs_on_caller+0x310/0x310
[  534.539943]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  534.544973]  ? prepare_exit_to_usermode+0x291/0x3b0
[  534.549999]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  534.554862]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  534.560249] warn_alloc_show_mem: 1 callbacks suppressed
[  534.560261] CPU: 1 PID: 11390 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  534.560263] Mem-Info:
[  534.560295] active_anon:122480 inactive_anon:112 isolated_anon:0
[  534.560295]  active_file:16 inactive_file:5 isolated_file:0
[  534.560295]  unevictable:0 dirty:0 writeback:0 unstable:0
[  534.560295]  slab_reclaimable:9164 slab_unreclaimable:1399977
[  534.560295]  mapped:40962 shmem:118 pagetables:796 bounce:0
[  534.560295]  free:13728 free_pcp:0 free_cma:0
[  534.565634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  534.573005] Node 0 active_anon:489920kB inactive_anon:448kB active_file:64kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:472kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 471040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  534.575417] Call Trace:
[  534.608115] Node 0 
[  534.617567]  <IRQ>
[  534.645078] 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
[  534.647639]  dump_stack+0x1c4/0x2b4
[  534.649864] lowmem_reserve[]: 0
[  534.652029]  ? dump_stack_print_info.cold.2+0x52/0x52
[  534.677776]  2813
[  534.681429]  warn_alloc.cold.119+0xb7/0x1bd
[  534.684678]  6317
[  534.689881]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  534.691938]  6317
[  534.696262]  ? lock_downgrade+0x900/0x900
[  534.703158]  ? trace_hardirqs_off+0xb8/0x310
[  534.705191] Node 0 
[  534.709338]  ? trace_hardirqs_off+0xb8/0x310
[  534.713749] DMA32 free:25276kB min:30028kB low:37532kB high:45036kB active_anon:12288kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2884608kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  534.715991]  __alloc_pages_slowpath+0x2667/0x2d80
[  534.720364] lowmem_reserve[]: 0
[  534.747318]  ? warn_alloc+0x120/0x120
[  534.752114]  0
[  534.755413]  ? ktime_get+0x2e1/0x440
[  534.759195]  3503
[  534.760995]  ? warn_alloc+0x120/0x120
[  534.764783]  3503
[  534.766859]  ? print_usage_bug+0xc0/0xc0
[  534.770636] Node 0 
[  534.772696]  ? warn_alloc+0x120/0x120
[  534.776764] Normal free:13728kB min:37384kB low:46728kB high:56072kB active_anon:477632kB inactive_anon:448kB active_file:64kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3587276kB mlocked:0kB kernel_stack:5408kB pagetables:3184kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  534.778972]  ? print_usage_bug+0xc0/0xc0
[  534.782740] lowmem_reserve[]: 0
[  534.810781]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  534.814813]  0
[  534.818091]  ? should_fail+0x22d/0xd01
[  534.823597]  0 0
[  534.825412]  ? __lock_acquire+0x7ec/0x4ec0
[  534.829274] Node 0 
[  534.831254]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  534.835554] DMA: 1*4kB 
[  534.837796]  ? __lock_acquire+0x7ec/0x4ec0
[  534.842898] (U) 
[  534.845487]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  534.849699] 0*8kB 
[  534.851671]  ? __lock_acquire+0x7ec/0x4ec0
[  534.856752] 0*16kB 
[  534.858901]  ? should_fail+0x22d/0xd01
[  534.863111] 1*32kB 
[  534.865350]  ? mark_held_locks+0x130/0x130
[  534.869208] (U) 
[  534.871453]  ? mark_held_locks+0x130/0x130
[  534.875665] 2*64kB (U) 
[  534.877650]  ? graph_lock+0x170/0x170
[  534.881862] 1*128kB 
[  534.884445]  ? print_usage_bug+0xc0/0xc0
[  534.888225] (U) 
[  534.890548]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  534.894581] 1*256kB (U) 
[  534.896570]  ? check_preemption_disabled+0x48/0x200
[  534.902079] 0*512kB 1*1024kB 
[  534.904758]  ? check_preemption_disabled+0x48/0x200
[  534.909759] (U) 
[  534.912893]  ? __lock_is_held+0xb5/0x140
[  534.917881] 1*2048kB 
[  534.919860]  __alloc_pages_nodemask+0xa80/0xde0
[  534.923894] (M) 
[  534.926301]  ? graph_lock+0x170/0x170
[  534.931091] 3*4096kB 
[  534.933064]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  534.936845] (M) 
[  534.939259]  ? graph_lock+0x170/0x170
[  534.944251] = 15908kB
[  534.946233]  ? find_held_lock+0x36/0x1c0
[  534.949997] Node 0 
[  534.952419]  ? ____cache_alloc_node+0x1c7/0x1e0
[  534.956441] DMA32: 5*4kB 
[  534.958684]  ? lock_downgrade+0x900/0x900
[  534.963328] (UM) 
[  534.966089]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  534.970203] 1*8kB (U) 
[  534.972277]  cache_grow_begin+0x91/0x8c0
[  534.977786] 4*16kB 
[  534.980284]  ? do_raw_spin_unlock+0xa7/0x2f0
[  534.984320] (UM) 
[  534.986558]  fallback_alloc+0x203/0x2e0
[  534.990936] 3*32kB 
[  534.992998]  ____cache_alloc_node+0x1c7/0x1e0
[  534.996941] (UM) 
[  534.999180]  kmem_cache_alloc_node+0xe3/0x730
[  535.003653] 4*64kB 
[  535.005711]  ? ipv6_get_ifaddr+0x42e/0x620
[  535.010179] (M) 
[  535.012430]  __alloc_skb+0x119/0x770
[  535.016638] 4*128kB 
[  535.018621]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  535.022317] (UM) 
[  535.024641]  ? skb_scrub_packet+0x490/0x490
[  535.029916] 3*256kB (M) 
[  535.031992]  ? lock_downgrade+0x900/0x900
[  535.036290] 4*512kB 
[  535.038962]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  535.043080] (UM) 
[  535.045413]  ? refcount_sub_and_test_checked+0x203/0x310
[  535.050928] 3*1024kB 
[  535.052993]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  535.058436] (UM) 
[  535.060850]  ? addrconf_rs_timer+0x6f0/0x6f0
[  535.066276] 3*2048kB 
[  535.068343]  ndisc_alloc_skb+0x144/0x340
[  535.072717] (UM) 
[  535.075125]  ndisc_send_rs+0x331/0x6e0
[  535.079163] 3*4096kB 
[  535.081226]  addrconf_rs_timer+0x3c0/0x6f0
[  535.085086] (M) 
[  535.087496]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  535.091708] = 25276kB
[  535.093692]  call_timer_fn+0x272/0x920
[  535.097895] Node 0 
[  535.100299]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  535.104167] Normal: 
[  535.106420]  ? process_timeout+0x40/0x40
[  535.110628] 1058*4kB 
[  535.112947]  ? find_held_lock+0x36/0x1c0
[  535.116980] (UMEH) 
[  535.119400]  ? __run_timers+0x7da/0xc70
[  535.123424] 417*8kB (UMEH) 
[  535.125673]  ? _raw_spin_unlock_irq+0x27/0x80
[  535.129624] 179*16kB 
[  535.132551]  ? _raw_spin_unlock_irq+0x27/0x80
[  535.137018] (UME) 
[  535.139429]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  535.143900] 63*32kB 
[  535.146057]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  535.150268] (UMEH) 
[  535.152591]  ? trace_hardirqs_on+0xbd/0x310
[  535.157155] 21*64kB 
[  535.159398]  ? kasan_check_read+0x11/0x20
[  535.163700] (UMH) 
[  535.166030]  ? __run_timers+0x7da/0xc70
[  535.170150] 2*128kB (MH) 
[  535.172314]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  535.176260] 0*256kB 
[  535.179027]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  535.184444] 0*512kB 
[  535.186774]  __run_timers+0x7e5/0xc70
[  535.190982] 0*1024kB 
[  535.193319]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  535.197080] 0*2048kB 
[  535.199492]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  535.204838] 0*4096kB = 14048kB
[  535.207262]  ? graph_lock+0x170/0x170
[  535.212256] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  535.215451]  ? enqueue_hrtimer+0x1a5/0x560
[  535.219245] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  535.228067]  ? lock_release+0x970/0x970
[  535.228085]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  535.232304] 164 total pagecache pages
[  535.240906]  ? find_held_lock+0x36/0x1c0
[  535.244857] 0 pages in swap cache
[  535.250049]  ? graph_lock+0x170/0x170
[  535.253819] Swap cache stats: add 0, delete 0, find 0/0
[  535.253828] Free swap  = 0kB
[  535.257892]  ? pvclock_read_flags+0x160/0x160
[  535.261320] Total swap = 0kB
[  535.261329] 1965979 pages RAM
[  535.265132]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  535.270465] 0 pages HighMem/MovableOnly
[  535.273507]  ? check_preemption_disabled+0x48/0x200
[  535.277983] 344031 pages reserved
[  535.281012]  ? __lock_is_held+0xb5/0x140
[  535.284077] 0 pages cma reserved
[  535.284160] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  535.289620]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  535.289634]  ? check_preemption_disabled+0x48/0x200
[  535.289657]  run_timer_softirq+0x52/0xb0
[  535.293682] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  535.298628]  ? rcu_read_lock_sched_held+0x108/0x120
[  535.302056] syz-executor4 cpuset=
[  535.306111]  __do_softirq+0x30b/0xad8
[  535.309456] syz4
[  535.315952]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  535.321467]  mems_allowed=0
[  535.326482]  ? pvclock_read_flags+0x160/0x160
[  535.367680]  ? lapic_next_event+0x5a/0x90
[  535.371840]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  535.377394]  ? check_preemption_disabled+0x48/0x200
[  535.382424]  ? check_preemption_disabled+0x48/0x200
[  535.387448]  ? kvm_clock_read+0x18/0x30
[  535.391426]  ? kvm_sched_clock_read+0x9/0x20
[  535.395845]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  535.401396]  ? check_preemption_disabled+0x48/0x200
[  535.406435]  irq_exit+0x17f/0x1c0
[  535.409903]  smp_apic_timer_interrupt+0x1cb/0x760
[  535.414746]  ? smp_reschedule_interrupt+0x109/0x650
[  535.419767]  ? smp_call_function_single_interrupt+0x650/0x650
[  535.425656]  ? interrupt_entry+0xb5/0xf0
[  535.429722]  ? trace_hardirqs_off_caller+0xbb/0x310
[  535.434744]  ? trace_hardirqs_off_caller+0xbb/0x310
[  535.439766]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  535.444618]  ? trace_hardirqs_on_caller+0x310/0x310
[  535.449643]  ? trace_hardirqs_on_caller+0x310/0x310
[  535.454668]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  535.460211]  ? check_preemption_disabled+0x48/0x200
[  535.465237]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  535.470793]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  535.475655]  apic_timer_interrupt+0xf/0x20
[  535.479898]  </IRQ>
[  535.482152] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  535.487089] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  535.506499] RSP: 0000:ffff8801866cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  535.514226] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  535.521502] RDX: 0000000000000000 RSI: ffff8801ce554f00 RDI: 0000000000000286
[  535.528777] RBP: ffff8801866cf7b0 R08: ffff8801ce554680 R09: 0000000000000000
[  535.536048] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  535.543316] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  535.550639]  skb_clone+0x1bb/0x500
[  535.554186]  ? finish_task_switch+0x2f5/0x900
[  535.558708]  ? skb_split+0x11e0/0x11e0
[  535.562602]  ? preempt_notifier_register+0x200/0x200
[  535.567715]  ? __switch_to_asm+0x34/0x70
[  535.571782]  ? __switch_to_asm+0x34/0x70
[  535.575851]  ? __switch_to_asm+0x40/0x70
[  535.579918]  ? __switch_to_asm+0x34/0x70
[  535.583981]  ? __switch_to_asm+0x40/0x70
[  535.588045]  ? __switch_to_asm+0x34/0x70
[  535.592110]  ? __switch_to_asm+0x40/0x70
[  535.596188]  ? __switch_to_asm+0x34/0x70
[  535.600262]  ? __switch_to_asm+0x34/0x70
[  535.604330]  ? __switch_to_asm+0x40/0x70
[  535.608404]  ? __switch_to_asm+0x34/0x70
[  535.612490]  bpf_clone_redirect+0xb9/0x490
[  535.616738]  ? __schedule+0x874/0x1ed0
[  535.620647]  bpf_prog_3d1649e183dc2cc1+0x379/0x1000
[  535.625683]  ? __sched_text_start+0x8/0x8
[  535.629851]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  535.634639]  ? find_held_lock+0x36/0x1c0
[  535.638726]  ? lock_acquire+0x1ed/0x520
[  535.642725]  ? bpf_test_run+0x32e/0x5a0
[  535.646720]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  535.652359]  ? check_preemption_disabled+0x48/0x200
[  535.657411]  ? kasan_check_read+0x11/0x20
[  535.661573]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  535.666866]  ? rcu_bh_qs+0xc0/0xc0
[  535.670424]  ? preempt_schedule+0x4d/0x60
[  535.674582]  ? ___preempt_schedule+0x16/0x18
[  535.679011]  ? bpf_test_run+0x1c0/0x5a0
[  535.683035]  ? netlink_diag_dump+0x2a0/0x2a0
[  535.687472]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  535.693060]  ? bpf_test_init.isra.9+0x70/0x100
[  535.697687]  ? bpf_prog_test_run_skb+0x634/0xb40
[  535.702481]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  535.707346]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  535.712913]  ? fput+0x130/0x1a0
[  535.716211]  ? __bpf_prog_get+0x9b/0x290
[  535.720295]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  535.725164]  ? bpf_prog_test_run+0x130/0x1a0
[  535.729604]  ? __x64_sys_bpf+0x3d8/0x510
[  535.733681]  ? bpf_prog_get+0x20/0x20
[  535.737519]  ? do_syscall_64+0x1b9/0x820
[  535.741594]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  535.746973]  ? syscall_return_slowpath+0x5e0/0x5e0
[  535.751907]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  535.756758]  ? trace_hardirqs_on_caller+0x310/0x310
[  535.761779]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  535.766803]  ? prepare_exit_to_usermode+0x291/0x3b0
[  535.771832]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  535.776693]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  535.782086] CPU: 0 PID: 11399 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  535.782168] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  535.789451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  535.789456] Call Trace:
[  535.789463]  <IRQ>
[  535.789482]  dump_stack+0x1c4/0x2b4
[  535.789500]  ? dump_stack_print_info.cold.2+0x52/0x52
[  535.789528]  warn_alloc.cold.119+0xb7/0x1bd
[  535.796079] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  535.805375]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  535.807947] syz-executor4 cpuset=
[  535.810095]  ? lock_downgrade+0x900/0x900
[  535.813716] syz4
[  535.818910]  ? trace_hardirqs_off+0xb8/0x310
[  535.823212]  mems_allowed=0
[  535.833725]  ? trace_hardirqs_off+0xb8/0x310
[  535.859797]  __alloc_pages_slowpath+0x2667/0x2d80
[  535.864688]  ? warn_alloc+0x120/0x120
[  535.868494]  ? lock_release+0x970/0x970
[  535.872483]  ? warn_alloc+0x120/0x120
[  535.876292]  ? print_usage_bug+0xc0/0xc0
[  535.880357]  ? warn_alloc+0x120/0x120
[  535.884168]  ? print_usage_bug+0xc0/0xc0
[  535.888236]  ? __lock_acquire+0x7ec/0x4ec0
[  535.892475]  ? __lock_acquire+0x7ec/0x4ec0
[  535.896717]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  535.902260]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  535.907805]  ? should_fail+0x22d/0xd01
[  535.911703]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  535.916810]  ? __lock_acquire+0x7ec/0x4ec0
[  535.921055]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  535.926166]  ? __lock_acquire+0x7ec/0x4ec0
[  535.930412]  ? should_fail+0x22d/0xd01
[  535.934315]  ? mark_held_locks+0x130/0x130
[  535.938557]  ? mark_held_locks+0x130/0x130
[  535.942796]  ? graph_lock+0x170/0x170
[  535.946603]  ? print_usage_bug+0xc0/0xc0
[  535.950670]  ? graph_lock+0x170/0x170
[  535.954475]  ? print_usage_bug+0xc0/0xc0
[  535.958540]  ? wq_watchdog_touch+0x9c/0xfe
[  535.962779]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  535.968334]  ? check_preemption_disabled+0x48/0x200
[  535.973361]  ? check_preemption_disabled+0x48/0x200
[  535.978418]  ? __lock_is_held+0xb5/0x140
[  535.982495]  __alloc_pages_nodemask+0xa80/0xde0
[  535.987168]  ? graph_lock+0x170/0x170
[  535.990978]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  535.995998]  ? graph_lock+0x170/0x170
[  535.999817]  ? find_held_lock+0x36/0x1c0
[  536.003904]  ? ____cache_alloc_node+0x1c7/0x1e0
[  536.008593]  ? lock_downgrade+0x900/0x900
[  536.012764]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  536.018332]  cache_grow_begin+0x91/0x8c0
[  536.022421]  ? do_raw_spin_unlock+0xa7/0x2f0
[  536.026859]  fallback_alloc+0x203/0x2e0
[  536.030855]  ____cache_alloc_node+0x1c7/0x1e0
[  536.035367]  kmem_cache_alloc_node+0xe3/0x730
[  536.039878]  ? ipv6_get_ifaddr+0x42e/0x620
[  536.044127]  __alloc_skb+0x119/0x770
[  536.047858]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  536.053157]  ? skb_scrub_packet+0x490/0x490
[  536.057487]  ? lock_downgrade+0x900/0x900
[  536.061660]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  536.067207]  ? refcount_sub_and_test_checked+0x203/0x310
[  536.072675]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  536.078134]  ? addrconf_rs_timer+0x6f0/0x6f0
[  536.082563]  ndisc_alloc_skb+0x144/0x340
[  536.086631]  ndisc_send_rs+0x331/0x6e0
[  536.090537]  addrconf_rs_timer+0x3c0/0x6f0
[  536.094778]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  536.099029]  call_timer_fn+0x272/0x920
[  536.102918]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  536.107163]  ? process_timeout+0x40/0x40
[  536.111253]  ? find_held_lock+0x36/0x1c0
[  536.115329]  ? __run_timers+0x7da/0xc70
[  536.119317]  ? _raw_spin_unlock_irq+0x27/0x80
[  536.123829]  ? _raw_spin_unlock_irq+0x27/0x80
[  536.128334]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  536.132575]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  536.137164]  ? trace_hardirqs_on+0xbd/0x310
[  536.141489]  ? kasan_check_read+0x11/0x20
[  536.145652]  ? __run_timers+0x7da/0xc70
[  536.149639]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  536.155111]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  536.159355]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  536.163608]  __run_timers+0x7e5/0xc70
[  536.167439]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  536.172816]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  536.177864]  ? graph_lock+0x170/0x170
[  536.181691]  ? enqueue_hrtimer+0x1a5/0x560
[  536.185939]  ? lock_release+0x970/0x970
[  536.189921]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  536.195146]  ? find_held_lock+0x36/0x1c0
[  536.199232]  ? graph_lock+0x170/0x170
[  536.203039]  ? pvclock_read_flags+0x160/0x160
[  536.207553]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  536.213109]  ? check_preemption_disabled+0x48/0x200
[  536.218174]  ? __lock_is_held+0xb5/0x140
[  536.222278]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  536.227836]  ? check_preemption_disabled+0x48/0x200
[  536.232873]  run_timer_softirq+0x52/0xb0
[  536.236938]  ? rcu_read_lock_sched_held+0x108/0x120
[  536.241965]  __do_softirq+0x30b/0xad8
[  536.245778]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  536.250891]  ? pvclock_read_flags+0x160/0x160
[  536.255412]  ? lapic_next_event+0x5a/0x90
[  536.259613]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  536.265158]  ? check_preemption_disabled+0x48/0x200
[  536.270175]  ? check_preemption_disabled+0x48/0x200
[  536.275211]  ? kvm_clock_read+0x18/0x30
[  536.279210]  ? kvm_sched_clock_read+0x9/0x20
[  536.283625]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  536.289174]  ? check_preemption_disabled+0x48/0x200
[  536.294210]  irq_exit+0x17f/0x1c0
[  536.297674]  smp_apic_timer_interrupt+0x1cb/0x760
[  536.302521]  ? smp_reschedule_interrupt+0x109/0x650
[  536.307542]  ? smp_call_function_single_interrupt+0x650/0x650
[  536.313448]  ? interrupt_entry+0xb5/0xf0
[  536.317522]  ? trace_hardirqs_off_caller+0xbb/0x310
[  536.322544]  ? trace_hardirqs_off_caller+0xbb/0x310
[  536.327568]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  536.332425]  ? trace_hardirqs_on_caller+0x310/0x310
[  536.337445]  ? trace_hardirqs_on_caller+0x310/0x310
[  536.342472]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  536.348013]  ? check_preemption_disabled+0x48/0x200
[  536.353032]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  536.358583]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  536.363443]  apic_timer_interrupt+0xf/0x20
[  536.368143]  </IRQ>
[  536.370402] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  536.375340] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  536.394250] RSP: 0000:ffff8801ba62f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  536.401971] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  536.409247] RDX: 0000000000000000 RSI: ffff8801b881aa80 RDI: 0000000000000286
[  536.416516] RBP: ffff8801ba62f7b0 R08: ffff8801b881a200 R09: 0000000000000000
[  536.423808] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  536.431076] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  536.438409]  skb_clone+0x1bb/0x500
[  536.441964]  ? finish_task_switch+0x1b5/0x900
[  536.446470]  ? skb_split+0x11e0/0x11e0
[  536.450363]  ? preempt_notifier_register+0x200/0x200
[  536.455477]  ? __switch_to_asm+0x34/0x70
[  536.459541]  ? __switch_to_asm+0x34/0x70
[  536.463603]  ? __switch_to_asm+0x40/0x70
[  536.467671]  ? __switch_to_asm+0x34/0x70
[  536.471738]  ? __switch_to_asm+0x40/0x70
[  536.475806]  ? __switch_to_asm+0x34/0x70
[  536.479871]  ? __switch_to_asm+0x40/0x70
[  536.483934]  ? __switch_to_asm+0x34/0x70
[  536.488001]  ? __switch_to_asm+0x34/0x70
[  536.492065]  ? __switch_to_asm+0x40/0x70
[  536.496137]  ? __switch_to_asm+0x34/0x70
[  536.500541]  bpf_clone_redirect+0xb9/0x490
[  536.504782]  ? __schedule+0x874/0x1ed0
[  536.508684]  bpf_prog_3d1649e183dc2cc1+0xcce/0x1000
[  536.513918]  ? __sched_text_start+0x8/0x8
[  536.518076]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  536.522843]  ? find_held_lock+0x36/0x1c0
[  536.526913]  ? lock_acquire+0x1ed/0x520
[  536.530891]  ? bpf_test_run+0x32e/0x5a0
[  536.534870]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  536.540419]  ? check_preemption_disabled+0x48/0x200
[  536.545443]  ? kasan_check_read+0x11/0x20
[  536.549597]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  536.554879]  ? rcu_bh_qs+0xc0/0xc0
[  536.558429]  ? preempt_schedule+0x4d/0x60
[  536.562583]  ? ___preempt_schedule+0x16/0x18
[  536.567004]  ? bpf_test_run+0x1c0/0x5a0
[  536.570995]  ? netlink_diag_dump+0x2a0/0x2a0
[  536.575423]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  536.580970]  ? bpf_test_init.isra.9+0x70/0x100
[  536.585565]  ? bpf_prog_test_run_skb+0x634/0xb40
[  536.590342]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  536.595192]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  536.600736]  ? fput+0x130/0x1a0
[  536.604022]  ? __bpf_prog_get+0x9b/0x290
[  536.608096]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  536.612977]  ? bpf_prog_test_run+0x130/0x1a0
[  536.617408]  ? __x64_sys_bpf+0x3d8/0x510
[  536.621476]  ? bpf_prog_get+0x20/0x20
[  536.625306]  ? do_syscall_64+0x1b9/0x820
[  536.629372]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  536.634758]  ? syscall_return_slowpath+0x5e0/0x5e0
[  536.639699]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  536.644558]  ? trace_hardirqs_on_caller+0x310/0x310
[  536.649585]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  536.654608]  ? prepare_exit_to_usermode+0x291/0x3b0
[  536.659634]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  536.664500]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  536.669891] warn_alloc_show_mem: 1 callbacks suppressed
[  536.669904] CPU: 1 PID: 11390 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  536.669906] Mem-Info:
[  536.669937] active_anon:122480 inactive_anon:112 isolated_anon:0
[  536.669937]  active_file:16 inactive_file:5 isolated_file:0
[  536.669937]  unevictable:0 dirty:0 writeback:0 unstable:0
[  536.669937]  slab_reclaimable:9164 slab_unreclaimable:1399977
[  536.669937]  mapped:40962 shmem:118 pagetables:796 bounce:0
[  536.669937]  free:13728 free_pcp:0 free_cma:0
[  536.675281] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  536.675291] Call Trace:
[  536.682675] Node 0 active_anon:489920kB inactive_anon:448kB active_file:64kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:472kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 471040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  536.685071]  <IRQ>
[  536.717865] Node 0 
[  536.727233]  dump_stack+0x1c4/0x2b4
[  536.729819] 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
[  536.757401]  ? dump_stack_print_info.cold.2+0x52/0x52
[  536.759533] lowmem_reserve[]:
[  536.761786]  warn_alloc.cold.119+0xb7/0x1bd
[  536.765375]  0
[  536.790917]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  536.796084]  2813
[  536.799194]  ? lock_downgrade+0x900/0x900
[  536.803487]  6317
[  536.805299]  ? trace_hardirqs_off+0xb8/0x310
[  536.810105]  6317
[  536.812174]  ? trace_hardirqs_off+0xb8/0x310
[  536.816314] Node 0 
[  536.818399]  __alloc_pages_slowpath+0x2667/0x2d80
[  536.822795] DMA32 free:25276kB min:30028kB low:37532kB high:45036kB active_anon:12288kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2884608kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  536.824857]  ? warn_alloc+0x120/0x120
[  536.829205] lowmem_reserve[]: 0
[  536.831448]  ? warn_alloc+0x120/0x120
[  536.836278]  0
[  536.863181]  ? print_usage_bug+0xc0/0xc0
[  536.866960]  3503
[  536.870247]  ? warn_alloc+0x120/0x120
[  536.874018]  3503
[  536.875825]  ? print_usage_bug+0xc0/0xc0
[  536.881923]  ? __lock_acquire+0x7ec/0x4ec0
[  536.885700] Node 0 
[  536.887762]  ? __lock_acquire+0x7ec/0x4ec0
[  536.891828] Normal free:13728kB min:37384kB low:46728kB high:56072kB active_anon:477632kB inactive_anon:448kB active_file:64kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3587276kB mlocked:0kB kernel_stack:5408kB pagetables:3184kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  536.896031]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  536.898243] lowmem_reserve[]:
[  536.902478]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  536.930479]  0 0
[  536.936036]  ? should_fail+0x22d/0xd01
[  536.939136]  0
[  536.944679]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  536.946627]  0
[  536.950522]  ? __lock_acquire+0x7ec/0x4ec0
[  536.952300] Node 0 
[  536.957409]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  536.959187] DMA: 
[  536.963430]  ? __lock_acquire+0x7ec/0x4ec0
[  536.965644] 1*4kB 
[  536.970745]  ? should_fail+0x22d/0xd01
[  536.972782] (U) 
[  536.977020]  ? mark_held_locks+0x130/0x130
[  536.979132] 0*8kB 0*16kB 
[  536.983034]  ? mark_held_locks+0x130/0x130
[  536.984985] 1*32kB 
[  536.989211]  ? graph_lock+0x170/0x170
[  536.991945] (U) 
[  536.996185]  ? print_usage_bug+0xc0/0xc0
[  536.998409] 2*64kB 
[  537.002202]  ? graph_lock+0x170/0x170
[  537.004149] (U) 1*128kB 
[  537.008220]  ? print_usage_bug+0xc0/0xc0
[  537.010434] (U) 
[  537.014235]  ? wq_watchdog_touch+0x9c/0xfe
[  537.016883] 1*256kB 
[  537.020944]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  537.022895] (U) 
[  537.027133]  ? check_preemption_disabled+0x48/0x200
[  537.029438] 0*512kB 
[  537.034978]  ? check_preemption_disabled+0x48/0x200
[  537.036928] 1*1024kB 
[  537.041947]  ? __lock_is_held+0xb5/0x140
[  537.044240] (U) 
[  537.049256]  __alloc_pages_nodemask+0xa80/0xde0
[  537.051632] 1*2048kB (M) 
[  537.055698]  ? graph_lock+0x170/0x170
[  537.057655] 3*4096kB 
[  537.062344]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  537.065078] (M) 
[  537.068888]  ? graph_lock+0x170/0x170
[  537.071277] = 15908kB
[  537.076295]  ? find_held_lock+0x36/0x1c0
[  537.078331] Node 0 
[  537.082136]  ? ____cache_alloc_node+0x1c7/0x1e0
[  537.084510] DMA32: 5*4kB 
[  537.088584]  ? lock_downgrade+0x900/0x900
[  537.090798] (UM) 
[  537.095480]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  537.098216] 1*8kB 
[  537.102364]  cache_grow_begin+0x91/0x8c0
[  537.104407] (U) 
[  537.109948]  ? do_raw_spin_unlock+0xa7/0x2f0
[  537.112079] 4*16kB 
[  537.116151]  fallback_alloc+0x203/0x2e0
[  537.118094] (UM) 
[  537.122501]  ____cache_alloc_node+0x1c7/0x1e0
[  537.124713] 3*32kB 
[  537.128696]  kmem_cache_alloc_node+0xe3/0x730
[  537.130733] (UM) 
[  537.135233]  ? ipv6_get_ifaddr+0x42e/0x620
[  537.137445] 4*64kB 
[  537.141950]  __alloc_skb+0x119/0x770
[  537.143984] (M) 
[  537.148220]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  537.150428] 4*128kB 
[  537.154138]  ? skb_scrub_packet+0x490/0x490
[  537.156088] (UM) 
[  537.161364]  ? lock_downgrade+0x900/0x900
[  537.163666] 3*256kB 
[  537.167986]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  537.170021] (M) 
[  537.174168]  ? refcount_sub_and_test_checked+0x203/0x310
[  537.176467] 4*512kB 
[  537.182037]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  537.183991] (UM) 
[  537.189442]  ? addrconf_rs_timer+0x6f0/0x6f0
[  537.191741] 3*1024kB 
[  537.197195]  ndisc_alloc_skb+0x144/0x340
[  537.199226] (UM) 
[  537.203631]  ndisc_send_rs+0x331/0x6e0
[  537.206019] 3*2048kB 
[  537.210076]  addrconf_rs_timer+0x3c0/0x6f0
[  537.212120] (UM) 
[  537.216008]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  537.218406] 3*4096kB 
[  537.222648]  call_timer_fn+0x272/0x920
[  537.224685] (M) 
[  537.228915]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  537.231307] = 25276kB
[  537.235192]  ? process_timeout+0x40/0x40
[  537.237144] Node 0 
[  537.241370]  ? find_held_lock+0x36/0x1c0
[  537.241403]  ? __run_timers+0x7da/0xc70
[  537.243777] Normal: 1058*4kB 
[  537.247848]  ? _raw_spin_unlock_irq+0x27/0x80
[  537.250057] (UMEH) 
[  537.254122]  ? _raw_spin_unlock_irq+0x27/0x80
[  537.258072] 417*8kB 
[  537.261177]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  537.265645] (UMEH) 
[  537.267884]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  537.272357] 179*16kB 
[  537.274675]  ? trace_hardirqs_on+0xbd/0x310
[  537.278884] (UME) 
[  537.281114]  ? kasan_check_read+0x11/0x20
[  537.285677] 63*32kB 
[  537.288084]  ? __run_timers+0x7da/0xc70
[  537.292379] (UMEH) 
[  537.294537]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  537.298686] 21*64kB 
[  537.301008]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  537.304958] (UMH) 
[  537.307199]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  537.312617] 2*128kB (MH) 
[  537.314949]  __run_timers+0x7e5/0xc70
[  537.319160] 0*256kB 
[  537.321330]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  537.325543] 0*512kB 0*1024kB 
[  537.328311]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  537.332083] 0*2048kB 
[  537.334414]  ? graph_lock+0x170/0x170
[  537.339754] 0*4096kB = 14048kB
[  537.342865]  ? enqueue_hrtimer+0x1a5/0x560
[  537.347859] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  537.350259]  ? lock_release+0x970/0x970
[  537.354036] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  537.354045] 164 total pagecache pages
[  537.357234]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  537.361449] 0 pages in swap cache
[  537.370284]  ? find_held_lock+0x36/0x1c0
[  537.374228] Swap cache stats: add 0, delete 0, find 0/0
[  537.374238] Free swap  = 0kB
[  537.382814]  ? graph_lock+0x170/0x170
[  537.386584] Total swap = 0kB
[  537.386592] 1965979 pages RAM
[  537.391782]  ? pvclock_read_flags+0x160/0x160
[  537.395205] 0 pages HighMem/MovableOnly
[  537.395214] 344031 pages reserved
[  537.399285]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  537.404634] 0 pages cma reserved
[  537.407660]  ? check_preemption_disabled+0x48/0x200
[  537.411512] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  537.414475]  ? __lock_is_held+0xb5/0x140
[  537.417665] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  537.422050]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  537.426001] syz-executor4 cpuset=
[  537.429451]  ? check_preemption_disabled+0x48/0x200
[  537.434964] syz4
[  537.438334]  run_timer_softirq+0x52/0xb0
[  537.443321]  mems_allowed=0
[  537.449806]  ? rcu_read_lock_sched_held+0x108/0x120
[  537.492257]  __do_softirq+0x30b/0xad8
[  537.496078]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  537.501325]  ? pvclock_read_flags+0x160/0x160
[  537.505828]  ? lapic_next_event+0x5a/0x90
[  537.509981]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  537.515529]  ? check_preemption_disabled+0x48/0x200
[  537.520551]  ? check_preemption_disabled+0x48/0x200
[  537.525584]  ? kvm_clock_read+0x18/0x30
[  537.529574]  ? kvm_sched_clock_read+0x9/0x20
[  537.533997]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  537.539543]  ? check_preemption_disabled+0x48/0x200
[  537.544589]  irq_exit+0x17f/0x1c0
[  537.548053]  smp_apic_timer_interrupt+0x1cb/0x760
[  537.552921]  ? smp_reschedule_interrupt+0x109/0x650
[  537.557946]  ? smp_call_function_single_interrupt+0x650/0x650
[  537.563844]  ? interrupt_entry+0xb5/0xf0
[  537.567914]  ? trace_hardirqs_off_caller+0xbb/0x310
[  537.572949]  ? trace_hardirqs_off_caller+0xbb/0x310
[  537.577982]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  537.582843]  ? trace_hardirqs_on_caller+0x310/0x310
[  537.587861]  ? trace_hardirqs_on_caller+0x310/0x310
[  537.592891]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  537.598438]  ? check_preemption_disabled+0x48/0x200
[  537.603462]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  537.609015]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  537.613879]  apic_timer_interrupt+0xf/0x20
[  537.618108]  </IRQ>
[  537.620351] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  537.625308] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  537.644234] RSP: 0000:ffff8801866cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  537.651968] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  537.659256] RDX: 0000000000000000 RSI: ffff8801ce554f00 RDI: 0000000000000286
[  537.666545] RBP: ffff8801866cf7b0 R08: ffff8801ce554680 R09: 0000000000000000
[  537.673821] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  537.681107] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  537.688438]  skb_clone+0x1bb/0x500
[  537.691989]  ? finish_task_switch+0x2f5/0x900
[  537.696493]  ? skb_split+0x11e0/0x11e0
[  537.700398]  ? preempt_notifier_register+0x200/0x200
[  537.705511]  ? __switch_to_asm+0x34/0x70
[  537.709578]  ? __switch_to_asm+0x34/0x70
[  537.713640]  ? __switch_to_asm+0x40/0x70
[  537.717705]  ? __switch_to_asm+0x34/0x70
[  537.721770]  ? __switch_to_asm+0x40/0x70
[  537.725838]  ? __switch_to_asm+0x34/0x70
[  537.729900]  ? __switch_to_asm+0x40/0x70
[  537.733974]  ? __switch_to_asm+0x34/0x70
[  537.738040]  ? __switch_to_asm+0x34/0x70
[  537.742108]  ? __switch_to_asm+0x40/0x70
[  537.746178]  ? __switch_to_asm+0x34/0x70
[  537.750251]  bpf_clone_redirect+0xb9/0x490
[  537.754498]  ? __schedule+0x874/0x1ed0
[  537.758407]  bpf_prog_3d1649e183dc2cc1+0x379/0x1000
[  537.763432]  ? __sched_text_start+0x8/0x8
[  537.767586]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  537.772356]  ? find_held_lock+0x36/0x1c0
[  537.776438]  ? lock_acquire+0x1ed/0x520
[  537.780424]  ? bpf_test_run+0x32e/0x5a0
[  537.784410]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  537.789967]  ? check_preemption_disabled+0x48/0x200
[  537.794994]  ? kasan_check_read+0x11/0x20
[  537.799152]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  537.804432]  ? rcu_bh_qs+0xc0/0xc0
[  537.807978]  ? preempt_schedule+0x4d/0x60
[  537.812131]  ? ___preempt_schedule+0x16/0x18
[  537.816554]  ? bpf_test_run+0x1c0/0x5a0
[  537.820544]  ? netlink_diag_dump+0x2a0/0x2a0
[  537.824963]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  537.830509]  ? bpf_test_init.isra.9+0x70/0x100
[  537.835100]  ? bpf_prog_test_run_skb+0x634/0xb40
[  537.839872]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  537.844719]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  537.850258]  ? fput+0x130/0x1a0
[  537.853541]  ? __bpf_prog_get+0x9b/0x290
[  537.857612]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  537.862458]  ? bpf_prog_test_run+0x130/0x1a0
[  537.866891]  ? __x64_sys_bpf+0x3d8/0x510
[  537.870959]  ? bpf_prog_get+0x20/0x20
[  537.874784]  ? do_syscall_64+0x1b9/0x820
[  537.878851]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  537.884223]  ? syscall_return_slowpath+0x5e0/0x5e0
[  537.889162]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  537.894010]  ? trace_hardirqs_on_caller+0x310/0x310
[  537.899041]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  537.904068]  ? prepare_exit_to_usermode+0x291/0x3b0
[  537.909093]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  537.913951]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  537.919339] CPU: 0 PID: 11399 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  537.919424] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  537.926707] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  537.926717] Call Trace:
[  537.933300] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  537.942547]  <IRQ>
[  537.945123] syz-executor4 cpuset=
[  537.955640]  dump_stack+0x1c4/0x2b4
[  537.957764] syz4
[  537.961214]  ? dump_stack_print_info.cold.2+0x52/0x52
[  537.964819]  mems_allowed=0
[  537.966799]  warn_alloc.cold.119+0xb7/0x1bd
[  537.979203]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  537.984056]  ? lock_downgrade+0x900/0x900
[  537.988218]  ? trace_hardirqs_off+0xb8/0x310
[  537.992635]  ? trace_hardirqs_off+0xb8/0x310
[  537.997064]  __alloc_pages_slowpath+0x2667/0x2d80
[  538.001943]  ? warn_alloc+0x120/0x120
[  538.005748]  ? trace_hardirqs_on+0x310/0x310
[  538.010176]  ? warn_alloc+0x120/0x120
[  538.013988]  ? print_usage_bug+0xc0/0xc0
[  538.018053]  ? warn_alloc+0x120/0x120
[  538.021855]  ? ktime_get+0x2e1/0x440
[  538.025571]  ? print_usage_bug+0xc0/0xc0
[  538.029677]  ? __lock_acquire+0x7ec/0x4ec0
[  538.033916]  ? __lock_acquire+0x7ec/0x4ec0
[  538.038150]  ? kasan_check_read+0x11/0x20
[  538.042306]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  538.047852]  ? should_fail+0x22d/0xd01
[  538.051745]  ? rcu_bh_qs+0xc0/0xc0
[  538.055294]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  538.060437]  ? __lock_acquire+0x7ec/0x4ec0
[  538.064687]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  538.069802]  ? __lock_acquire+0x7ec/0x4ec0
[  538.074046]  ? should_fail+0x22d/0xd01
[  538.077943]  ? rcu_idle_enter+0x4b0/0x4b0
[  538.082103]  ? mark_held_locks+0x130/0x130
[  538.086353]  ? mark_held_locks+0x130/0x130
[  538.090625]  ? mark_held_locks+0xc7/0x130
[  538.094791]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  538.099822]  ? graph_lock+0x170/0x170
[  538.103630]  ? print_usage_bug+0xc0/0xc0
[  538.107701]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  538.113242]  ? check_preemption_disabled+0x48/0x200
[  538.118258]  ? check_preemption_disabled+0x48/0x200
[  538.123289]  ? __lock_is_held+0xb5/0x140
[  538.127362]  __alloc_pages_nodemask+0xa80/0xde0
[  538.132041]  ? graph_lock+0x170/0x170
[  538.135849]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  538.140869]  ? graph_lock+0x170/0x170
[  538.144685]  ? find_held_lock+0x36/0x1c0
[  538.148763]  ? ____cache_alloc_node+0x1c7/0x1e0
[  538.153434]  ? lock_downgrade+0x900/0x900
[  538.157593]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  538.163138]  cache_grow_begin+0x91/0x8c0
[  538.167209]  ? do_raw_spin_unlock+0xa7/0x2f0
[  538.171629]  fallback_alloc+0x203/0x2e0
[  538.175621]  ____cache_alloc_node+0x1c7/0x1e0
[  538.180136]  kmem_cache_alloc_node+0xe3/0x730
[  538.184636]  ? ipv6_get_ifaddr+0x42e/0x620
[  538.188891]  __alloc_skb+0x119/0x770
[  538.192609]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  538.197893]  ? skb_scrub_packet+0x490/0x490
[  538.202217]  ? lock_downgrade+0x900/0x900
[  538.206374]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  538.211923]  ? refcount_sub_and_test_checked+0x203/0x310
[  538.217414]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  538.222923]  ? addrconf_rs_timer+0x6f0/0x6f0
[  538.227382]  ndisc_alloc_skb+0x144/0x340
[  538.231466]  ndisc_send_rs+0x331/0x6e0
[  538.235366]  addrconf_rs_timer+0x3c0/0x6f0
[  538.239621]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  538.243878]  call_timer_fn+0x272/0x920
[  538.247766]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  538.252009]  ? process_timeout+0x40/0x40
[  538.256070]  ? find_held_lock+0x36/0x1c0
[  538.260143]  ? __run_timers+0x7da/0xc70
[  538.264158]  ? _raw_spin_unlock_irq+0x27/0x80
[  538.268666]  ? _raw_spin_unlock_irq+0x27/0x80
[  538.273163]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  538.277411]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  538.281999]  ? trace_hardirqs_on+0xbd/0x310
[  538.286320]  ? kasan_check_read+0x11/0x20
[  538.290472]  ? __run_timers+0x7da/0xc70
[  538.294449]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  538.299907]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  538.304152]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  538.308406]  __run_timers+0x7e5/0xc70
[  538.312225]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  538.317599]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  538.322626]  ? graph_lock+0x170/0x170
[  538.326447]  ? enqueue_hrtimer+0x1a5/0x560
[  538.330682]  ? lock_release+0x970/0x970
[  538.334666]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  538.339892]  ? find_held_lock+0x36/0x1c0
[  538.343963]  ? graph_lock+0x170/0x170
[  538.347767]  ? pvclock_read_flags+0x160/0x160
[  538.352267]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  538.357805]  ? check_preemption_disabled+0x48/0x200
[  538.362834]  ? __lock_is_held+0xb5/0x140
[  538.367379]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  538.372948]  ? check_preemption_disabled+0x48/0x200
[  538.377984]  run_timer_softirq+0x52/0xb0
[  538.382050]  ? rcu_read_lock_sched_held+0x108/0x120
[  538.387079]  __do_softirq+0x30b/0xad8
[  538.390910]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  538.396075]  ? pvclock_read_flags+0x160/0x160
[  538.400619]  ? lapic_next_event+0x5a/0x90
[  538.404779]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  538.410761]  ? check_preemption_disabled+0x48/0x200
[  538.415788]  ? check_preemption_disabled+0x48/0x200
[  538.420843]  ? kvm_clock_read+0x18/0x30
[  538.424840]  ? kvm_sched_clock_read+0x9/0x20
[  538.429270]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  538.434823]  ? check_preemption_disabled+0x48/0x200
[  538.439866]  irq_exit+0x17f/0x1c0
[  538.443348]  smp_apic_timer_interrupt+0x1cb/0x760
[  538.448220]  ? smp_reschedule_interrupt+0x109/0x650
[  538.453249]  ? smp_call_function_single_interrupt+0x650/0x650
[  538.459163]  ? interrupt_entry+0xb5/0xf0
[  538.463234]  ? trace_hardirqs_off_caller+0xbb/0x310
[  538.468258]  ? trace_hardirqs_off_caller+0xbb/0x310
[  538.473277]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  538.478127]  ? trace_hardirqs_on_caller+0x310/0x310
[  538.483147]  ? trace_hardirqs_on_caller+0x310/0x310
[  538.488199]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  538.493758]  ? check_preemption_disabled+0x48/0x200
[  538.498985]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  538.504709]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  538.509570]  apic_timer_interrupt+0xf/0x20
[  538.513801]  </IRQ>
[  538.516045] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  538.520980] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  538.539890] RSP: 0000:ffff8801ba62f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  538.547612] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  538.554882] RDX: 0000000000000000 RSI: ffff8801b881aa80 RDI: 0000000000000286
[  538.562153] RBP: ffff8801ba62f7b0 R08: ffff8801b881a200 R09: 0000000000000000
[  538.569447] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  538.576727] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  538.584052]  skb_clone+0x1bb/0x500
[  538.587599]  ? finish_task_switch+0x1b5/0x900
[  538.592107]  ? skb_split+0x11e0/0x11e0
[  538.596005]  ? preempt_notifier_register+0x200/0x200
[  538.601113]  ? __switch_to_asm+0x34/0x70
[  538.605176]  ? __switch_to_asm+0x34/0x70
[  538.609239]  ? __switch_to_asm+0x40/0x70
[  538.613304]  ? __switch_to_asm+0x34/0x70
[  538.617376]  ? __switch_to_asm+0x40/0x70
[  538.621482]  ? __switch_to_asm+0x34/0x70
[  538.625549]  ? __switch_to_asm+0x40/0x70
[  538.629621]  ? __switch_to_asm+0x34/0x70
[  538.633693]  ? __switch_to_asm+0x34/0x70
[  538.637759]  ? __switch_to_asm+0x40/0x70
[  538.641821]  ? __switch_to_asm+0x34/0x70
[  538.645900]  bpf_clone_redirect+0xb9/0x490
[  538.650140]  ? __schedule+0x874/0x1ed0
[  538.654037]  bpf_prog_3d1649e183dc2cc1+0xcce/0x1000
[  538.659056]  ? __sched_text_start+0x8/0x8
[  538.663560]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  538.668328]  ? find_held_lock+0x36/0x1c0
[  538.672408]  ? lock_acquire+0x1ed/0x520
[  538.676394]  ? bpf_test_run+0x32e/0x5a0
[  538.680376]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  538.685927]  ? check_preemption_disabled+0x48/0x200
[  538.690956]  ? kasan_check_read+0x11/0x20
[  538.695115]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  538.700406]  ? rcu_bh_qs+0xc0/0xc0
[  538.703954]  ? preempt_schedule+0x4d/0x60
[  538.708104]  ? ___preempt_schedule+0x16/0x18
[  538.712527]  ? bpf_test_run+0x1c0/0x5a0
[  538.716521]  ? netlink_diag_dump+0x2a0/0x2a0
[  538.720937]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  538.726481]  ? bpf_test_init.isra.9+0x70/0x100
[  538.731071]  ? bpf_prog_test_run_skb+0x634/0xb40
[  538.735840]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  538.740687]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  538.746231]  ? fput+0x130/0x1a0
[  538.749519]  ? __bpf_prog_get+0x9b/0x290
[  538.753585]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  538.758431]  ? bpf_prog_test_run+0x130/0x1a0
[  538.762845]  ? __x64_sys_bpf+0x3d8/0x510
[  538.766918]  ? bpf_prog_get+0x20/0x20
[  538.770745]  ? do_syscall_64+0x1b9/0x820
[  538.774814]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  538.780203]  ? syscall_return_slowpath+0x5e0/0x5e0
[  538.785134]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  538.789982]  ? trace_hardirqs_on_caller+0x310/0x310
[  538.795008]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  538.800028]  ? prepare_exit_to_usermode+0x291/0x3b0
[  538.805054]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  538.809917]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  538.815300] warn_alloc_show_mem: 1 callbacks suppressed
[  538.815311] CPU: 1 PID: 11390 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  538.815313] Mem-Info:
[  538.815345] active_anon:122480 inactive_anon:112 isolated_anon:0
[  538.815345]  active_file:16 inactive_file:5 isolated_file:0
[  538.815345]  unevictable:0 dirty:0 writeback:0 unstable:0
[  538.815345]  slab_reclaimable:9164 slab_unreclaimable:1399977
[  538.815345]  mapped:40962 shmem:118 pagetables:796 bounce:0
[  538.815345]  free:13728 free_pcp:0 free_cma:0
[  538.820687] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  538.828052] Node 0 active_anon:489920kB inactive_anon:448kB active_file:64kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:472kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 471040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  538.830455] Call Trace:
[  538.863167] Node 0 
[  538.872525]  <IRQ>
[  538.900047] 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
[  538.902611]  dump_stack+0x1c4/0x2b4
[  538.904811] lowmem_reserve[]: 0
[  538.906967]  ? dump_stack_print_info.cold.2+0x52/0x52
[  538.932791]  2813 6317
[  538.936445]  warn_alloc.cold.119+0xb7/0x1bd
[  538.939707]  6317
[  538.944920]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  538.947402] Node 0 
[  538.951718]  ? lock_downgrade+0x900/0x900
[  538.953783] DMA32 free:25276kB min:30028kB low:37532kB high:45036kB active_anon:12288kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2884608kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  538.958604]  ? trace_hardirqs_off+0xb8/0x310
[  538.960812] lowmem_reserve[]:
[  538.964958]  ? trace_hardirqs_off+0xb8/0x310
[  538.991830]  0 0
[  538.996267]  __alloc_pages_slowpath+0x2667/0x2d80
[  538.999341]  3503 3503
[  539.003783]  ? warn_alloc+0x120/0x120
[  539.010549]  ? trace_hardirqs_on+0x310/0x310
[  539.013021] Node 0 
[  539.016820]  ? warn_alloc+0x120/0x120
[  539.021228] Normal free:13728kB min:37384kB low:46728kB high:56072kB active_anon:477632kB inactive_anon:448kB active_file:64kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3587276kB mlocked:0kB kernel_stack:5408kB pagetables:3184kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  539.023437]  ? print_usage_bug+0xc0/0xc0
[  539.027210] lowmem_reserve[]:
[  539.055235]  ? warn_alloc+0x120/0x120
[  539.059290]  0
[  539.062396]  ? ktime_get+0x2e1/0x440
[  539.066173]  0
[  539.067981]  ? print_usage_bug+0xc0/0xc0
[  539.071669]  0 0
[  539.073488]  ? __lock_acquire+0x7ec/0x4ec0
[  539.077535] Node 0 
[  539.079511]  ? __lock_acquire+0x7ec/0x4ec0
[  539.083720] DMA: 
[  539.085955]  ? kasan_check_read+0x11/0x20
[  539.090170] 1*4kB 
[  539.092227]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  539.096348] (U) 
[  539.098499]  ? should_fail+0x22d/0xd01
[  539.104013] 0*8kB 0*16kB 
[  539.105998]  ? rcu_bh_qs+0xc0/0xc0
[  539.109858] 1*32kB (U) 
[  539.112621]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  539.116130] 2*64kB (U) 
[  539.118724]  ? __lock_acquire+0x7ec/0x4ec0
[  539.123803] 1*128kB 
[  539.126385]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  539.130611] (U) 
[  539.132936]  ? __lock_acquire+0x7ec/0x4ec0
[  539.138014] 1*256kB 
[  539.139988]  ? should_fail+0x22d/0xd01
[  539.144193] (U) 
[  539.146515]  ? rcu_idle_enter+0x4b0/0x4b0
[  539.150370] 0*512kB 1*1024kB 
[  539.152367]  ? mark_held_locks+0x130/0x130
[  539.156507] (U) 
[  539.159617]  ? mark_held_locks+0x130/0x130
[  539.163830] 1*2048kB (M) 
[  539.165822]  ? mark_held_locks+0xc7/0x130
[  539.170024] 3*4096kB (M) 
[  539.172880]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  539.176999] = 15908kB
[  539.179753]  ? graph_lock+0x170/0x170
[  539.184746] Node 0 
[  539.187167]  ? print_usage_bug+0xc0/0xc0
[  539.190935] DMA32: 5*4kB 
[  539.193184]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  539.197220] (UM) 
[  539.199975]  ? check_preemption_disabled+0x48/0x200
[  539.205483] 1*8kB (U) 
[  539.207558]  ? check_preemption_disabled+0x48/0x200
[  539.212549] 4*16kB 
[  539.215055]  ? __lock_is_held+0xb5/0x140
[  539.220030] (UM) 3*32kB 
[  539.222289]  __alloc_pages_nodemask+0xa80/0xde0
[  539.226312] (UM) 4*64kB 
[  539.228998]  ? graph_lock+0x170/0x170
[  539.233644] (M) 
[  539.236318]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  539.240087] 4*128kB 
[  539.242063]  ? graph_lock+0x170/0x170
[  539.247049] (UM) 3*256kB 
[  539.249405]  ? find_held_lock+0x36/0x1c0
[  539.253168] (M) 4*512kB 
[  539.255948]  ? ____cache_alloc_node+0x1c7/0x1e0
[  539.259976] (UM) 
[  539.262649]  ? lock_downgrade+0x900/0x900
[  539.267306] 3*1024kB 
[  539.269370]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  539.273485] (UM) 
[  539.275905]  cache_grow_begin+0x91/0x8c0
[  539.281425] 3*2048kB (UM) 
[  539.283500]  ? do_raw_spin_unlock+0xa7/0x2f0
[  539.287536] 3*4096kB 
[  539.290398]  fallback_alloc+0x203/0x2e0
[  539.294773] (M) 
[  539.297192]  ____cache_alloc_node+0x1c7/0x1e0
[  539.301136] = 25276kB
[  539.303117]  kmem_cache_alloc_node+0xe3/0x730
[  539.307585] Node 0 
[  539.309993]  ? ipv6_get_ifaddr+0x42e/0x620
[  539.314459] Normal: 1058*4kB 
[  539.316715]  __alloc_skb+0x119/0x770
[  539.320911] (UMEH) 417*8kB 
[  539.324050]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  539.327726] (UMEH) 179*16kB 
[  539.330676]  ? skb_scrub_packet+0x490/0x490
[  539.335928] (UME) 
[  539.338960]  ? lock_downgrade+0x900/0x900
[  539.343261] 63*32kB 
[  539.345419]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  539.349527] (UMEH) 21*64kB 
[  539.351864]  ? refcount_sub_and_test_checked+0x203/0x310
[  539.357365] (UMH) 2*128kB 
[  539.360316]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  539.365950] (MH) 0*256kB 
[  539.368808]  ? addrconf_rs_timer+0x6f0/0x6f0
[  539.374499] 0*512kB 
[  539.377265]  ndisc_alloc_skb+0x144/0x340
[  539.381639] 0*1024kB 0*2048kB 
[  539.383975]  ndisc_send_rs+0x331/0x6e0
[  539.388003] 0*4096kB = 14048kB
[  539.391204]  addrconf_rs_timer+0x3c0/0x6f0
[  539.395069] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  539.398249]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  539.402467] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  539.411313]  call_timer_fn+0x272/0x920
[  539.415517] 164 total pagecache pages
[  539.424106]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  539.427972] 0 pages in swap cache
[  539.431764]  ? process_timeout+0x40/0x40
[  539.435975] Swap cache stats: add 0, delete 0, find 0/0
[  539.439430]  ? find_held_lock+0x36/0x1c0
[  539.443471] Free swap  = 0kB
[  539.448837]  ? __run_timers+0x7da/0xc70
[  539.452865] Total swap = 0kB
[  539.455883]  ? _raw_spin_unlock_irq+0x27/0x80
[  539.459829] 1965979 pages RAM
[  539.462847]  ? _raw_spin_unlock_irq+0x27/0x80
[  539.467318] 0 pages HighMem/MovableOnly
[  539.470428]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  539.474888] 344031 pages reserved
[  539.474896] 0 pages cma reserved
[  539.478865]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  539.483141] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  539.486522]  ? trace_hardirqs_on+0xbd/0x310
[  539.489958] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  539.494442]  ? kasan_check_read+0x11/0x20
[  539.500908] syz-executor4 cpuset=
[  539.505227]  ? __run_timers+0x7da/0xc70
[  539.515685] syz4
[  539.519834]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  539.523264]  mems_allowed=0
[  539.527230]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  539.542024]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  539.546263]  __run_timers+0x7e5/0xc70
[  539.550086]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  539.555461]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  539.560485]  ? graph_lock+0x170/0x170
[  539.564302]  ? enqueue_hrtimer+0x1a5/0x560
[  539.568539]  ? lock_release+0x970/0x970
[  539.572521]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  539.577723]  ? find_held_lock+0x36/0x1c0
[  539.581792]  ? graph_lock+0x170/0x170
[  539.585600]  ? pvclock_read_flags+0x160/0x160
[  539.590104]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  539.595651]  ? check_preemption_disabled+0x48/0x200
[  539.600704]  ? __lock_is_held+0xb5/0x140
[  539.604772]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  539.610315]  ? check_preemption_disabled+0x48/0x200
[  539.615349]  run_timer_softirq+0x52/0xb0
[  539.619419]  ? rcu_read_lock_sched_held+0x108/0x120
[  539.624438]  __do_softirq+0x30b/0xad8
[  539.628255]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  539.633370]  ? pvclock_read_flags+0x160/0x160
[  539.637880]  ? lapic_next_event+0x5a/0x90
[  539.642031]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  539.647578]  ? check_preemption_disabled+0x48/0x200
[  539.653303]  ? check_preemption_disabled+0x48/0x200
[  539.658333]  ? kvm_clock_read+0x18/0x30
[  539.662310]  ? kvm_sched_clock_read+0x9/0x20
[  539.666735]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  539.672278]  ? check_preemption_disabled+0x48/0x200
[  539.677319]  irq_exit+0x17f/0x1c0
[  539.680786]  smp_apic_timer_interrupt+0x1cb/0x760
[  539.685632]  ? smp_reschedule_interrupt+0x109/0x650
[  539.690661]  ? smp_call_function_single_interrupt+0x650/0x650
[  539.696555]  ? interrupt_entry+0xb5/0xf0
[  539.700622]  ? trace_hardirqs_off_caller+0xbb/0x310
[  539.705639]  ? trace_hardirqs_off_caller+0xbb/0x310
[  539.710667]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  539.715517]  ? trace_hardirqs_on_caller+0x310/0x310
[  539.720534]  ? trace_hardirqs_on_caller+0x310/0x310
[  539.725561]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  539.731106]  ? check_preemption_disabled+0x48/0x200
[  539.736122]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  539.741678]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  539.746531]  apic_timer_interrupt+0xf/0x20
[  539.750764]  </IRQ>
[  539.753012] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  539.757955] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  539.776864] RSP: 0000:ffff8801866cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  539.784578] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  539.791853] RDX: 0000000000000000 RSI: ffff8801ce554f00 RDI: 0000000000000286
[  539.799121] RBP: ffff8801866cf7b0 R08: ffff8801ce554680 R09: 0000000000000000
[  539.806403] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  539.813676] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  539.820997]  skb_clone+0x1bb/0x500
[  539.824550]  ? finish_task_switch+0x2f5/0x900
[  539.829052]  ? skb_split+0x11e0/0x11e0
[  539.832949]  ? preempt_notifier_register+0x200/0x200
[  539.838061]  ? __switch_to_asm+0x34/0x70
[  539.842128]  ? __switch_to_asm+0x34/0x70
[  539.846199]  ? __switch_to_asm+0x40/0x70
[  539.850265]  ? __switch_to_asm+0x34/0x70
[  539.854329]  ? __switch_to_asm+0x40/0x70
[  539.858398]  ? __switch_to_asm+0x34/0x70
[  539.862465]  ? __switch_to_asm+0x40/0x70
[  539.866527]  ? __switch_to_asm+0x34/0x70
[  539.870593]  ? __switch_to_asm+0x34/0x70
[  539.874657]  ? __switch_to_asm+0x40/0x70
[  539.878733]  ? __switch_to_asm+0x34/0x70
[  539.882808]  bpf_clone_redirect+0xb9/0x490
[  539.887050]  ? __schedule+0x874/0x1ed0
[  539.890949]  bpf_prog_3d1649e183dc2cc1+0x379/0x1000
[  539.895970]  ? __sched_text_start+0x8/0x8
[  539.900124]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  539.904901]  ? find_held_lock+0x36/0x1c0
[  539.908976]  ? lock_acquire+0x1ed/0x520
[  539.912957]  ? bpf_test_run+0x32e/0x5a0
[  539.916940]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  539.922488]  ? check_preemption_disabled+0x48/0x200
[  539.927516]  ? kasan_check_read+0x11/0x20
[  539.931678]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  539.936958]  ? rcu_bh_qs+0xc0/0xc0
[  539.940503]  ? preempt_schedule+0x4d/0x60
[  539.944659]  ? ___preempt_schedule+0x16/0x18
[  539.949084]  ? bpf_test_run+0x1c0/0x5a0
[  539.953077]  ? netlink_diag_dump+0x2a0/0x2a0
[  539.957497]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  539.963038]  ? bpf_test_init.isra.9+0x70/0x100
[  539.967628]  ? bpf_prog_test_run_skb+0x634/0xb40
[  539.972405]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  539.977251]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  539.982791]  ? fput+0x130/0x1a0
[  539.986079]  ? __bpf_prog_get+0x9b/0x290
[  539.990157]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  539.995005]  ? bpf_prog_test_run+0x130/0x1a0
[  539.999431]  ? __x64_sys_bpf+0x3d8/0x510
[  540.003499]  ? bpf_prog_get+0x20/0x20
[  540.007327]  ? do_syscall_64+0x1b9/0x820
[  540.011407]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  540.016782]  ? syscall_return_slowpath+0x5e0/0x5e0
[  540.021729]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  540.026588]  ? trace_hardirqs_on_caller+0x310/0x310
[  540.031621]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  540.036650]  ? prepare_exit_to_usermode+0x291/0x3b0
[  540.041689]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  540.046556]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  540.051956] CPU: 0 PID: 11399 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  540.052051] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  540.059324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  540.059330] Call Trace:
[  540.059337]  <IRQ>
[  540.059358]  dump_stack+0x1c4/0x2b4
[  540.059380]  ? dump_stack_print_info.cold.2+0x52/0x52
[  540.065927] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  540.075240]  warn_alloc.cold.119+0xb7/0x1bd
[  540.077792] syz-executor4 cpuset=
[  540.079939]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  540.083543] syz4
[  540.088733]  ? lock_downgrade+0x900/0x900
[  540.099203]  mems_allowed=0
[  540.103524]  ? trace_hardirqs_off+0xb8/0x310
[  540.125196]  ? trace_hardirqs_off+0xb8/0x310
[  540.129620]  __alloc_pages_slowpath+0x2667/0x2d80
[  540.134505]  ? warn_alloc+0x120/0x120
[  540.138308]  ? trace_hardirqs_on+0x310/0x310
[  540.142722]  ? warn_alloc+0x120/0x120
[  540.146532]  ? print_usage_bug+0xc0/0xc0
[  540.150595]  ? warn_alloc+0x120/0x120
[  540.154406]  ? ktime_get+0x2e1/0x440
[  540.158125]  ? print_usage_bug+0xc0/0xc0
[  540.162194]  ? __lock_acquire+0x7ec/0x4ec0
[  540.166432]  ? __lock_acquire+0x7ec/0x4ec0
[  540.170676]  ? kasan_check_read+0x11/0x20
[  540.174834]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  540.180379]  ? should_fail+0x22d/0xd01
[  540.184283]  ? rcu_bh_qs+0xc0/0xc0
[  540.187832]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  540.192942]  ? __lock_acquire+0x7ec/0x4ec0
[  540.197189]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  540.202292]  ? __lock_acquire+0x7ec/0x4ec0
[  540.206555]  ? should_fail+0x22d/0xd01
[  540.210457]  ? rcu_idle_enter+0x4b0/0x4b0
[  540.214621]  ? mark_held_locks+0x130/0x130
[  540.218870]  ? mark_held_locks+0x130/0x130
[  540.223115]  ? mark_held_locks+0xc7/0x130
[  540.227263]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  540.232288]  ? graph_lock+0x170/0x170
[  540.236094]  ? print_usage_bug+0xc0/0xc0
[  540.240162]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  540.245703]  ? check_preemption_disabled+0x48/0x200
[  540.250729]  ? check_preemption_disabled+0x48/0x200
[  540.255771]  ? __lock_is_held+0xb5/0x140
[  540.259845]  __alloc_pages_nodemask+0xa80/0xde0
[  540.264517]  ? graph_lock+0x170/0x170
[  540.268330]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  540.273346]  ? graph_lock+0x170/0x170
[  540.277160]  ? find_held_lock+0x36/0x1c0
[  540.281234]  ? ____cache_alloc_node+0x1c7/0x1e0
[  540.285908]  ? lock_downgrade+0x900/0x900
[  540.290084]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  540.295629]  cache_grow_begin+0x91/0x8c0
[  540.299700]  ? do_raw_spin_unlock+0xa7/0x2f0
[  540.304121]  fallback_alloc+0x203/0x2e0
[  540.308108]  ____cache_alloc_node+0x1c7/0x1e0
[  540.312613]  kmem_cache_alloc_node+0xe3/0x730
[  540.317111]  ? ipv6_get_ifaddr+0x42e/0x620
[  540.321365]  __alloc_skb+0x119/0x770
[  540.325093]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  540.330381]  ? skb_scrub_packet+0x490/0x490
[  540.334722]  ? lock_downgrade+0x900/0x900
[  540.338894]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  540.344491]  ? refcount_sub_and_test_checked+0x203/0x310
[  540.349992]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  540.355451]  ? addrconf_rs_timer+0x6f0/0x6f0
[  540.359897]  ndisc_alloc_skb+0x144/0x340
[  540.363973]  ndisc_send_rs+0x331/0x6e0
[  540.368217]  addrconf_rs_timer+0x3c0/0x6f0
[  540.372460]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  540.376720]  call_timer_fn+0x272/0x920
[  540.380610]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  540.384852]  ? process_timeout+0x40/0x40
[  540.388917]  ? find_held_lock+0x36/0x1c0
[  540.392990]  ? __run_timers+0x7da/0xc70
[  540.396970]  ? _raw_spin_unlock_irq+0x27/0x80
[  540.401469]  ? _raw_spin_unlock_irq+0x27/0x80
[  540.405966]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  540.410206]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  540.414794]  ? trace_hardirqs_on+0xbd/0x310
[  540.419116]  ? kasan_check_read+0x11/0x20
[  540.423268]  ? __run_timers+0x7da/0xc70
[  540.427250]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  540.432714]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  540.436960]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  540.441211]  __run_timers+0x7e5/0xc70
[  540.445040]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  540.450435]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  540.455469]  ? graph_lock+0x170/0x170
[  540.459289]  ? enqueue_hrtimer+0x1a5/0x560
[  540.463528]  ? lock_release+0x970/0x970
[  540.467507]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  540.472722]  ? find_held_lock+0x36/0x1c0
[  540.476820]  ? graph_lock+0x170/0x170
[  540.480683]  ? pvclock_read_flags+0x160/0x160
[  540.485211]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  540.490757]  ? check_preemption_disabled+0x48/0x200
[  540.495794]  ? __lock_is_held+0xb5/0x140
[  540.500262]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  540.505808]  ? check_preemption_disabled+0x48/0x200
[  540.510843]  run_timer_softirq+0x52/0xb0
[  540.514909]  ? rcu_read_lock_sched_held+0x108/0x120
[  540.519932]  __do_softirq+0x30b/0xad8
[  540.523751]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  540.528870]  ? pvclock_read_flags+0x160/0x160
[  540.533366]  ? lapic_next_event+0x5a/0x90
[  540.537526]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  540.543070]  ? check_preemption_disabled+0x48/0x200
[  540.548087]  ? check_preemption_disabled+0x48/0x200
[  540.553116]  ? kvm_clock_read+0x18/0x30
[  540.557095]  ? kvm_sched_clock_read+0x9/0x20
[  540.561511]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  540.567051]  ? check_preemption_disabled+0x48/0x200
[  540.572086]  irq_exit+0x17f/0x1c0
[  540.575551]  smp_apic_timer_interrupt+0x1cb/0x760
[  540.580402]  ? smp_reschedule_interrupt+0x109/0x650
[  540.585431]  ? smp_call_function_single_interrupt+0x650/0x650
[  540.591321]  ? interrupt_entry+0xb5/0xf0
[  540.595399]  ? trace_hardirqs_off_caller+0xbb/0x310
[  540.600426]  ? trace_hardirqs_off_caller+0xbb/0x310
[  540.605451]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  540.610301]  ? trace_hardirqs_on_caller+0x310/0x310
[  540.615322]  ? trace_hardirqs_on_caller+0x310/0x310
[  540.620341]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  540.625880]  ? check_preemption_disabled+0x48/0x200
[  540.630897]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  540.636448]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  540.641307]  apic_timer_interrupt+0xf/0x20
[  540.645537]  </IRQ>
[  540.647785] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  540.652721] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  540.671630] RSP: 0000:ffff8801ba62f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  540.679347] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  540.686616] RDX: 0000000000000000 RSI: ffff8801b881aa80 RDI: 0000000000000286
[  540.693883] RBP: ffff8801ba62f7b0 R08: ffff8801b881a200 R09: 0000000000000000
[  540.701155] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  540.708427] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  540.715746]  skb_clone+0x1bb/0x500
[  540.719291]  ? finish_task_switch+0x1b5/0x900
[  540.723794]  ? skb_split+0x11e0/0x11e0
[  540.727691]  ? preempt_notifier_register+0x200/0x200
[  540.732799]  ? __switch_to_asm+0x34/0x70
[  540.736863]  ? __switch_to_asm+0x34/0x70
[  540.740926]  ? __switch_to_asm+0x40/0x70
[  540.744993]  ? __switch_to_asm+0x34/0x70
[  540.749059]  ? __switch_to_asm+0x40/0x70
[  540.753123]  ? __switch_to_asm+0x34/0x70
[  540.757184]  ? __switch_to_asm+0x40/0x70
[  540.761256]  ? __switch_to_asm+0x34/0x70
[  540.765331]  ? __switch_to_asm+0x34/0x70
[  540.769402]  ? __switch_to_asm+0x40/0x70
[  540.773469]  ? __switch_to_asm+0x34/0x70
[  540.777548]  bpf_clone_redirect+0xb9/0x490
[  540.781798]  ? __schedule+0x874/0x1ed0
[  540.785696]  bpf_prog_3d1649e183dc2cc1+0xcce/0x1000
[  540.790753]  ? __sched_text_start+0x8/0x8
[  540.794939]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  540.799711]  ? find_held_lock+0x36/0x1c0
[  540.803782]  ? lock_acquire+0x1ed/0x520
[  540.807758]  ? bpf_test_run+0x32e/0x5a0
[  540.811739]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  540.817279]  ? check_preemption_disabled+0x48/0x200
[  540.822304]  ? kasan_check_read+0x11/0x20
[  540.826463]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  540.831742]  ? rcu_bh_qs+0xc0/0xc0
[  540.835291]  ? preempt_schedule+0x4d/0x60
[  540.839456]  ? ___preempt_schedule+0x16/0x18
[  540.843886]  ? bpf_test_run+0x1c0/0x5a0
[  540.847884]  ? netlink_diag_dump+0x2a0/0x2a0
[  540.852304]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  540.857861]  ? bpf_test_init.isra.9+0x70/0x100
[  540.862458]  ? bpf_prog_test_run_skb+0x634/0xb40
[  540.867227]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  540.872076]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  540.877617]  ? fput+0x130/0x1a0
[  540.880906]  ? __bpf_prog_get+0x9b/0x290
[  540.884974]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  540.889824]  ? bpf_prog_test_run+0x130/0x1a0
[  540.894238]  ? __x64_sys_bpf+0x3d8/0x510
[  540.898305]  ? bpf_prog_get+0x20/0x20
[  540.902135]  ? do_syscall_64+0x1b9/0x820
[  540.906201]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  540.911591]  ? syscall_return_slowpath+0x5e0/0x5e0
[  540.916522]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  540.921368]  ? trace_hardirqs_on_caller+0x310/0x310
[  540.926409]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  540.931435]  ? prepare_exit_to_usermode+0x291/0x3b0
[  540.936461]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  540.941500]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  540.946879] warn_alloc_show_mem: 1 callbacks suppressed
[  540.946891] CPU: 1 PID: 11390 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  540.946893] Mem-Info:
[  540.946925] active_anon:122480 inactive_anon:112 isolated_anon:0
[  540.946925]  active_file:16 inactive_file:5 isolated_file:0
[  540.946925]  unevictable:0 dirty:0 writeback:0 unstable:0
[  540.946925]  slab_reclaimable:9164 slab_unreclaimable:1399977
[  540.946925]  mapped:40962 shmem:118 pagetables:796 bounce:0
[  540.946925]  free:13728 free_pcp:0 free_cma:0
[  540.952264] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  540.952273] Call Trace:
[  540.959643] Node 0 active_anon:489920kB inactive_anon:448kB active_file:64kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:472kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 471040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  540.962046]  <IRQ>
[  540.994743] Node 0 
[  541.004107]  dump_stack+0x1c4/0x2b4
[  541.006693] 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
[  541.034172]  ? dump_stack_print_info.cold.2+0x52/0x52
[  541.036298] lowmem_reserve[]:
[  541.038544]  warn_alloc.cold.119+0xb7/0x1bd
[  541.042137]  0
[  541.067656]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  541.072824]  2813
[  541.075927]  ? lock_downgrade+0x900/0x900
[  541.080225]  6317
[  541.082032]  ? trace_hardirqs_off+0xb8/0x310
[  541.086847]  6317
[  541.088911]  ? trace_hardirqs_off+0xb8/0x310
[  541.095102]  __alloc_pages_slowpath+0x2667/0x2d80
[  541.099483] Node 0 
[  541.101565]  ? warn_alloc+0x120/0x120
[  541.105949] DMA32 free:25276kB min:30028kB low:37532kB high:45036kB active_anon:12288kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2884608kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  541.110761]  ? lock_release+0x970/0x970
[  541.112966] lowmem_reserve[]: 0
[  541.116771]  ? warn_alloc+0x120/0x120
[  541.143634]  0 3503
[  541.147624]  ? print_usage_bug+0xc0/0xc0
[  541.150871]  3503
[  541.154671]  ? warn_alloc+0x120/0x120
[  541.160938]  ? print_usage_bug+0xc0/0xc0
[  541.162978] Node 0 
[  541.166794]  ? __lock_acquire+0x7ec/0x4ec0
[  541.170861] Normal free:13728kB min:37384kB low:46728kB high:56072kB active_anon:477632kB inactive_anon:448kB active_file:64kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3587276kB mlocked:0kB kernel_stack:5408kB pagetables:3184kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  541.173069]  ? __lock_acquire+0x7ec/0x4ec0
[  541.177271] lowmem_reserve[]: 0
[  541.205315]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  541.209529]  0
[  541.212804]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  541.218310]  0 0
[  541.220120]  ? should_fail+0x22d/0xd01
[  541.225632] Node 0 
[  541.227610]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  541.231462] DMA: 1*4kB 
[  541.233703]  ? __lock_acquire+0x7ec/0x4ec0
[  541.238783] (U) 
[  541.241367]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  541.245571] 0*8kB 0*16kB 
[  541.247550]  ? __lock_acquire+0x7ec/0x4ec0
[  541.247567]  ? should_fail+0x22d/0xd01
[  541.252643] 1*32kB (U) 
[  541.255420]  ? mark_held_locks+0x130/0x130
[  541.259626] 2*64kB 
[  541.263515]  ? mark_held_locks+0x130/0x130
[  541.266076] (U) 
[  541.270307]  ? graph_lock+0x170/0x170
[  541.272522] 1*128kB 
[  541.276758]  ? print_usage_bug+0xc0/0xc0
[  541.278714] (U) 
[  541.282510]  ? graph_lock+0x170/0x170
[  541.284813] 1*256kB 
[  541.288866]  ? print_usage_bug+0xc0/0xc0
[  541.290816] (U) 
[  541.294627]  ? wq_watchdog_touch+0x9c/0xfe
[  541.296926] 0*512kB 
[  541.300983]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  541.302925] 1*1024kB (U) 
[  541.307180]  ? check_preemption_disabled+0x48/0x200
[  541.309484] 1*2048kB 
[  541.315013]  ? check_preemption_disabled+0x48/0x200
[  541.317750] (M) 
[  541.322774]  ? __lock_is_held+0xb5/0x140
[  541.325144] 3*4096kB (M) 
[  541.330191]  __alloc_pages_nodemask+0xa80/0xde0
[  541.332145] = 15908kB
[  541.336207]  ? graph_lock+0x170/0x170
[  541.338946] Node 0 
[  541.343622]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  541.346005] DMA32: 
[  541.349800]  ? graph_lock+0x170/0x170
[  541.352013] 5*4kB 
[  541.357040]  ? find_held_lock+0x36/0x1c0
[  541.359241] (UM) 1*8kB 
[  541.363053]  ? ____cache_alloc_node+0x1c7/0x1e0
[  541.365407] (U) 
[  541.369264]  ? lock_downgrade+0x900/0x900
[  541.371822] 4*16kB (UM) 
[  541.376505]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  541.378456] 3*32kB 
[  541.382607]  cache_grow_begin+0x91/0x8c0
[  541.385251] (UM) 
[  541.390791]  ? do_raw_spin_unlock+0xa7/0x2f0
[  541.393003] 4*64kB 
[  541.397067]  fallback_alloc+0x203/0x2e0
[  541.399102] (M) 
[  541.403536]  ____cache_alloc_node+0x1c7/0x1e0
[  541.405748] 4*128kB 
[  541.409727]  kmem_cache_alloc_node+0xe3/0x730
[  541.411682] (UM) 
[  541.416179]  ? ipv6_get_ifaddr+0x42e/0x620
[  541.418476] 3*256kB (M) 
[  541.422986]  __alloc_skb+0x119/0x770
[  541.425022] 4*512kB 
[  541.429255]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  541.431908] (UM) 
[  541.435619]  ? skb_scrub_packet+0x490/0x490
[  541.437923] 3*1024kB 
[  541.443196]  ? lock_downgrade+0x900/0x900
[  541.445241] (UM) 
[  541.449566]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  541.451948] 3*2048kB 
[  541.456090]  ? refcount_sub_and_test_checked+0x203/0x310
[  541.458125] (UM) 
[  541.463674]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  541.466067] 3*4096kB 
[  541.471523]  ? addrconf_rs_timer+0x6f0/0x6f0
[  541.473559] (M) 
[  541.479015]  ndisc_alloc_skb+0x144/0x340
[  541.481402] = 25276kB
[  541.485810]  ndisc_send_rs+0x331/0x6e0
[  541.487768] Node 0 
[  541.491825]  addrconf_rs_timer+0x3c0/0x6f0
[  541.494209] Normal: 
[  541.498535]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  541.500751] 1058*4kB 
[  541.504993]  call_timer_fn+0x272/0x920
[  541.507286] (UMEH) 
[  541.511515]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  541.513905] 417*8kB 
[  541.517793]  ? process_timeout+0x40/0x40
[  541.520007] (UMEH) 
[  541.524238]  ? find_held_lock+0x36/0x1c0
[  541.526543] 179*16kB 
[  541.530606]  ? __run_timers+0x7da/0xc70
[  541.532816] (UME) 
[  541.536874]  ? _raw_spin_unlock_irq+0x27/0x80
[  541.539267] 63*32kB (UMEH) 
[  541.543254]  ? _raw_spin_unlock_irq+0x27/0x80
[  541.545395] 21*64kB 
[  541.549884]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  541.549902]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  541.552811] (UMH) 
[  541.557311]  ? trace_hardirqs_on+0xbd/0x310
[  541.559611] 2*128kB 
[  541.563842]  ? kasan_check_read+0x11/0x20
[  541.568410] (MH) 
[  541.570564]  ? __run_timers+0x7da/0xc70
[  541.574853] 0*256kB 0*512kB 
[  541.577194]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  541.581318] 0*1024kB 
[  541.583376]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  541.587330] 0*2048kB 0*4096kB 
[  541.590362]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  541.595796] = 14048kB
[  541.598213]  __run_timers+0x7e5/0xc70
[  541.602429] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  541.605619]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  541.609824] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  541.612225]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  541.615999] 164 total pagecache pages
[  541.624832]  ? graph_lock+0x170/0x170
[  541.630178] 0 pages in swap cache
[  541.638765]  ? enqueue_hrtimer+0x1a5/0x560
[  541.643868] Swap cache stats: add 0, delete 0, find 0/0
[  541.647662]  ? lock_release+0x970/0x970
[  541.651443] Free swap  = 0kB
[  541.654892]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  541.659111] Total swap = 0kB
[  541.664476]  ? find_held_lock+0x36/0x1c0
[  541.668424] 1965979 pages RAM
[  541.671436]  ? graph_lock+0x170/0x170
[  541.676632] 0 pages HighMem/MovableOnly
[  541.679657]  ? pvclock_read_flags+0x160/0x160
[  541.683695] 344031 pages reserved
[  541.683704] 0 pages cma reserved
[  541.686819]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  541.690667] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  541.694566]  ? check_preemption_disabled+0x48/0x200
[  541.699156] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  541.702501]  ? __lock_is_held+0xb5/0x140
[  541.705838] syz-executor4 cpuset=
[  541.711380]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  541.717854] syz4
[  541.722870]  ? check_preemption_disabled+0x48/0x200
[  541.733433]  mems_allowed=0
[  541.737517]  run_timer_softirq+0x52/0xb0
[  541.760432]  ? rcu_read_lock_sched_held+0x108/0x120
[  541.765468]  __do_softirq+0x30b/0xad8
[  541.769287]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  541.774416]  ? pvclock_read_flags+0x160/0x160
[  541.778918]  ? lapic_next_event+0x5a/0x90
[  541.783072]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  541.788616]  ? check_preemption_disabled+0x48/0x200
[  541.793636]  ? check_preemption_disabled+0x48/0x200
[  541.798669]  ? kvm_clock_read+0x18/0x30
[  541.802649]  ? kvm_sched_clock_read+0x9/0x20
[  541.807074]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  541.812627]  ? check_preemption_disabled+0x48/0x200
[  541.817666]  irq_exit+0x17f/0x1c0
[  541.821127]  smp_apic_timer_interrupt+0x1cb/0x760
[  541.825981]  ? smp_reschedule_interrupt+0x109/0x650
[  541.831002]  ? smp_call_function_single_interrupt+0x650/0x650
[  541.836891]  ? interrupt_entry+0xb5/0xf0
[  541.840961]  ? trace_hardirqs_off_caller+0xbb/0x310
[  541.845980]  ? trace_hardirqs_off_caller+0xbb/0x310
[  541.851003]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  541.855860]  ? trace_hardirqs_on_caller+0x310/0x310
[  541.860894]  ? trace_hardirqs_on_caller+0x310/0x310
[  541.865917]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  541.871457]  ? check_preemption_disabled+0x48/0x200
[  541.876477]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  541.882031]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  541.886903]  apic_timer_interrupt+0xf/0x20
[  541.891137]  </IRQ>
[  541.893387] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  541.898338] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  541.917254] RSP: 0000:ffff8801866cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  541.924968] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  541.932237] RDX: 0000000000000000 RSI: ffff8801ce554f00 RDI: 0000000000000286
[  541.939524] RBP: ffff8801866cf7b0 R08: ffff8801ce554680 R09: 0000000000000000
[  541.946816] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  541.954082] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  541.961410]  skb_clone+0x1bb/0x500
[  541.964960]  ? finish_task_switch+0x2f5/0x900
[  541.969458]  ? skb_split+0x11e0/0x11e0
[  541.973360]  ? preempt_notifier_register+0x200/0x200
[  541.978481]  ? __switch_to_asm+0x34/0x70
[  541.982556]  ? __switch_to_asm+0x34/0x70
[  541.986624]  ? __switch_to_asm+0x40/0x70
[  541.990693]  ? __switch_to_asm+0x34/0x70
[  541.994755]  ? __switch_to_asm+0x40/0x70
[  541.998818]  ? __switch_to_asm+0x34/0x70
[  542.002880]  ? __switch_to_asm+0x40/0x70
[  542.006947]  ? __switch_to_asm+0x34/0x70
[  542.011018]  ? __switch_to_asm+0x34/0x70
[  542.015086]  ? __switch_to_asm+0x40/0x70
[  542.019155]  ? __switch_to_asm+0x34/0x70
[  542.023235]  bpf_clone_redirect+0xb9/0x490
[  542.027487]  ? __schedule+0x874/0x1ed0
[  542.031398]  bpf_prog_3d1649e183dc2cc1+0x379/0x1000
[  542.036429]  ? __sched_text_start+0x8/0x8
[  542.040585]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  542.045354]  ? find_held_lock+0x36/0x1c0
[  542.049431]  ? lock_acquire+0x1ed/0x520
[  542.053417]  ? bpf_test_run+0x32e/0x5a0
[  542.057414]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  542.062962]  ? check_preemption_disabled+0x48/0x200
[  542.068002]  ? kasan_check_read+0x11/0x20
[  542.072166]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  542.077449]  ? rcu_bh_qs+0xc0/0xc0
[  542.080996]  ? preempt_schedule+0x4d/0x60
[  542.085148]  ? ___preempt_schedule+0x16/0x18
[  542.089585]  ? bpf_test_run+0x1c0/0x5a0
[  542.093576]  ? netlink_diag_dump+0x2a0/0x2a0
[  542.097992]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  542.103533]  ? bpf_test_init.isra.9+0x70/0x100
[  542.108137]  ? bpf_prog_test_run_skb+0x634/0xb40
[  542.112918]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  542.117777]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  542.123325]  ? fput+0x130/0x1a0
[  542.126614]  ? __bpf_prog_get+0x9b/0x290
[  542.130690]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  542.135540]  ? bpf_prog_test_run+0x130/0x1a0
[  542.139956]  ? __x64_sys_bpf+0x3d8/0x510
[  542.144022]  ? bpf_prog_get+0x20/0x20
[  542.147850]  ? do_syscall_64+0x1b9/0x820
[  542.151921]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  542.157290]  ? syscall_return_slowpath+0x5e0/0x5e0
[  542.162253]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  542.167102]  ? trace_hardirqs_on_caller+0x310/0x310
[  542.172125]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  542.177162]  ? prepare_exit_to_usermode+0x291/0x3b0
[  542.182191]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  542.187048]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  542.192445] CPU: 0 PID: 11399 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  542.192520] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  542.199814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  542.199820] Call Trace:
[  542.199827]  <IRQ>
[  542.199848]  dump_stack+0x1c4/0x2b4
[  542.199867]  ? dump_stack_print_info.cold.2+0x52/0x52
[  542.199895]  warn_alloc.cold.119+0xb7/0x1bd
[  542.206457] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  542.215758]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  542.218327] syz-executor4 cpuset=
[  542.220501]  ? lock_downgrade+0x900/0x900
[  542.224093] syz4
[  542.229283]  ? trace_hardirqs_off+0xb8/0x310
[  542.233587]  mems_allowed=0
[  542.244084]  ? trace_hardirqs_off+0xb8/0x310
[  542.270188]  __alloc_pages_slowpath+0x2667/0x2d80
[  542.275070]  ? warn_alloc+0x120/0x120
[  542.278898]  ? warn_alloc+0x120/0x120
[  542.282707]  ? print_usage_bug+0xc0/0xc0
[  542.286876]  ? warn_alloc+0x120/0x120
[  542.290708]  ? print_usage_bug+0xc0/0xc0
[  542.294793]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  542.300340]  ? should_fail+0x22d/0xd01
[  542.304234]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  542.309453]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  542.314572]  ? __lock_acquire+0x7ec/0x4ec0
[  542.318833]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  542.323952]  ? should_fail+0x22d/0xd01
[  542.327859]  ? mark_held_locks+0x130/0x130
[  542.332108]  ? mark_held_locks+0x130/0x130
[  542.336358]  ? print_usage_bug+0xc0/0xc0
[  542.340438]  ? find_held_lock+0x36/0x1c0
[  542.344504]  ? graph_lock+0x170/0x170
[  542.348318]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  542.353857]  ? check_preemption_disabled+0x48/0x200
[  542.358878]  ? check_preemption_disabled+0x48/0x200
[  542.363930]  ? __lock_is_held+0xb5/0x140
[  542.368540]  __alloc_pages_nodemask+0xa80/0xde0
[  542.373223]  ? graph_lock+0x170/0x170
[  542.377036]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  542.382052]  ? graph_lock+0x170/0x170
[  542.385871]  ? find_held_lock+0x36/0x1c0
[  542.389952]  ? ____cache_alloc_node+0x1c7/0x1e0
[  542.394630]  ? lock_downgrade+0x900/0x900
[  542.398816]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  542.404362]  cache_grow_begin+0x91/0x8c0
[  542.408441]  ? do_raw_spin_unlock+0xa7/0x2f0
[  542.412860]  fallback_alloc+0x203/0x2e0
[  542.416850]  ____cache_alloc_node+0x1c7/0x1e0
[  542.421366]  kmem_cache_alloc_node+0xe3/0x730
[  542.425879]  ? mark_held_locks+0xc7/0x130
[  542.430044]  __alloc_skb+0x119/0x770
[  542.433769]  ? skb_scrub_packet+0x490/0x490
[  542.438093]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  542.442690]  ? queue_work_on+0x12c/0x1e0
[  542.446760]  ? switchdev_port_obj_del+0xdc/0x450
[  542.451524]  ? switchdev_trans_item_enqueue+0x260/0x260
[  542.456908]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  542.461941]  __br_mdb_notify+0x4ff/0x15d0
[  542.466099]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  542.471218]  ? __br_mdb_add+0x800/0x800
[  542.475200]  ? kasan_check_write+0x14/0x20
[  542.479446]  ? do_raw_spin_lock+0xc1/0x200
[  542.483703]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  542.488810]  ? debug_object_assert_init+0x368/0x4b0
[  542.493831]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  542.499503]  ? debug_object_init_on_stack+0x20/0x20
[  542.505276]  ? graph_lock+0x170/0x170
[  542.509081]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  542.514631]  br_mdb_notify+0x310/0x410
[  542.518531]  ? br_mdb_dump+0x2530/0x2530
[  542.522611]  br_multicast_del_pg+0x3df/0x790
[  542.527032]  ? br_mdb_ip_get+0x940/0x940
[  542.531106]  ? kasan_check_write+0x14/0x20
[  542.535346]  ? do_raw_spin_lock+0xc1/0x200
[  542.539596]  br_multicast_port_group_expired+0x189/0x1e0
[  542.545058]  call_timer_fn+0x272/0x920
[  542.548954]  ? br_multicast_del_pg+0x790/0x790
[  542.553543]  ? process_timeout+0x40/0x40
[  542.557606]  ? find_held_lock+0x36/0x1c0
[  542.561685]  ? __run_timers+0x7da/0xc70
[  542.565676]  ? _raw_spin_unlock_irq+0x27/0x80
[  542.570172]  ? _raw_spin_unlock_irq+0x27/0x80
[  542.574676]  ? br_multicast_del_pg+0x790/0x790
[  542.579260]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  542.583846]  ? trace_hardirqs_on+0xbd/0x310
[  542.588165]  ? kasan_check_read+0x11/0x20
[  542.592321]  ? __run_timers+0x7da/0xc70
[  542.596301]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  542.601765]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  542.606014]  ? br_multicast_del_pg+0x790/0x790
[  542.610600]  __run_timers+0x7e5/0xc70
[  542.614429]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  542.619803]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  542.624825]  ? graph_lock+0x170/0x170
[  542.628635]  ? enqueue_hrtimer+0x1a5/0x560
[  542.632877]  ? lock_release+0x970/0x970
[  542.636856]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  542.642056]  ? find_held_lock+0x36/0x1c0
[  542.646125]  ? graph_lock+0x170/0x170
[  542.649930]  ? pvclock_read_flags+0x160/0x160
[  542.654435]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  542.659972]  ? check_preemption_disabled+0x48/0x200
[  542.665007]  ? __lock_is_held+0xb5/0x140
[  542.669077]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  542.674617]  ? check_preemption_disabled+0x48/0x200
[  542.679658]  run_timer_softirq+0x52/0xb0
[  542.683734]  ? rcu_read_lock_sched_held+0x108/0x120
[  542.688756]  __do_softirq+0x30b/0xad8
[  542.692576]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  542.697697]  ? pvclock_read_flags+0x160/0x160
[  542.702196]  ? lapic_next_event+0x5a/0x90
[  542.706347]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  542.711885]  ? check_preemption_disabled+0x48/0x200
[  542.716898]  ? check_preemption_disabled+0x48/0x200
[  542.721919]  ? kvm_clock_read+0x18/0x30
[  542.725895]  ? kvm_sched_clock_read+0x9/0x20
[  542.730307]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  542.735843]  ? check_preemption_disabled+0x48/0x200
[  542.740872]  irq_exit+0x17f/0x1c0
[  542.744328]  smp_apic_timer_interrupt+0x1cb/0x760
[  542.749171]  ? smp_reschedule_interrupt+0x109/0x650
[  542.754192]  ? smp_call_function_single_interrupt+0x650/0x650
[  542.760080]  ? interrupt_entry+0xb5/0xf0
[  542.764146]  ? trace_hardirqs_off_caller+0xbb/0x310
[  542.769163]  ? trace_hardirqs_off_caller+0xbb/0x310
[  542.774185]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  542.779032]  ? trace_hardirqs_on_caller+0x310/0x310
[  542.784050]  ? trace_hardirqs_on_caller+0x310/0x310
[  542.789068]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  542.794608]  ? check_preemption_disabled+0x48/0x200
[  542.799623]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  542.805179]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  542.810034]  apic_timer_interrupt+0xf/0x20
[  542.814266]  </IRQ>
[  542.816513] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  542.821450] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  542.840353] RSP: 0000:ffff8801ba62f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  542.848085] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  542.855374] RDX: 0000000000000000 RSI: ffff8801b881aa80 RDI: 0000000000000286
[  542.862669] RBP: ffff8801ba62f7b0 R08: ffff8801b881a200 R09: 0000000000000000
[  542.869939] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  542.877208] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  542.884526]  skb_clone+0x1bb/0x500
[  542.888070]  ? finish_task_switch+0x1b5/0x900
[  542.892574]  ? skb_split+0x11e0/0x11e0
[  542.896469]  ? preempt_notifier_register+0x200/0x200
[  542.901581]  ? __switch_to_asm+0x34/0x70
[  542.905645]  ? __switch_to_asm+0x34/0x70
[  542.909724]  ? __switch_to_asm+0x40/0x70
[  542.913786]  ? __switch_to_asm+0x34/0x70
[  542.917846]  ? __switch_to_asm+0x40/0x70
[  542.921910]  ? __switch_to_asm+0x34/0x70
[  542.925971]  ? __switch_to_asm+0x40/0x70
[  542.930034]  ? __switch_to_asm+0x34/0x70
[  542.934103]  ? __switch_to_asm+0x34/0x70
[  542.938165]  ? __switch_to_asm+0x40/0x70
[  542.942227]  ? __switch_to_asm+0x34/0x70
[  542.946298]  bpf_clone_redirect+0xb9/0x490
[  542.950539]  ? __schedule+0x874/0x1ed0
[  542.954433]  bpf_prog_3d1649e183dc2cc1+0xcce/0x1000
[  542.959458]  ? __sched_text_start+0x8/0x8
[  542.963612]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  542.968384]  ? find_held_lock+0x36/0x1c0
[  542.972465]  ? lock_acquire+0x1ed/0x520
[  542.976466]  ? bpf_test_run+0x32e/0x5a0
[  542.980462]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  542.986006]  ? check_preemption_disabled+0x48/0x200
[  542.991028]  ? kasan_check_read+0x11/0x20
[  542.995182]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  543.000461]  ? rcu_bh_qs+0xc0/0xc0
[  543.004007]  ? preempt_schedule+0x4d/0x60
[  543.008163]  ? ___preempt_schedule+0x16/0x18
[  543.012611]  ? bpf_test_run+0x1c0/0x5a0
[  543.016617]  ? netlink_diag_dump+0x2a0/0x2a0
[  543.021127]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  543.026676]  ? bpf_test_init.isra.9+0x70/0x100
[  543.031269]  ? bpf_prog_test_run_skb+0x634/0xb40
[  543.036046]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  543.040899]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  543.046447]  ? fput+0x130/0x1a0
[  543.049735]  ? __bpf_prog_get+0x9b/0x290
[  543.053806]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  543.058660]  ? bpf_prog_test_run+0x130/0x1a0
[  543.063081]  ? __x64_sys_bpf+0x3d8/0x510
[  543.067149]  ? bpf_prog_get+0x20/0x20
[  543.070974]  ? do_syscall_64+0x1b9/0x820
[  543.075039]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  543.080414]  ? syscall_return_slowpath+0x5e0/0x5e0
[  543.085345]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  543.090192]  ? trace_hardirqs_on_caller+0x310/0x310
[  543.095209]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  543.100232]  ? prepare_exit_to_usermode+0x291/0x3b0
[  543.105256]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  543.110114]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  543.115505] CPU: 1 PID: 11390 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  543.115521] warn_alloc_show_mem: 1 callbacks suppressed
[  543.115527] Mem-Info:
[  543.122879] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  543.128245] active_anon:122480 inactive_anon:112 isolated_anon:0
[  543.128245]  active_file:16 inactive_file:5 isolated_file:0
[  543.128245]  unevictable:0 dirty:0 writeback:0 unstable:0
[  543.128245]  slab_reclaimable:9164 slab_unreclaimable:1399977
[  543.128245]  mapped:40962 shmem:118 pagetables:796 bounce:0
[  543.128245]  free:13728 free_pcp:0 free_cma:0
[  543.130620] Call Trace:
[  543.140009] Node 0 active_anon:489920kB inactive_anon:448kB active_file:64kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:472kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 471040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  543.172686]  <IRQ>
[  543.175260] Node 0 
[  543.202765]  dump_stack+0x1c4/0x2b4
[  543.204916] 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
[  543.207143]  ? dump_stack_print_info.cold.2+0x52/0x52
[  543.210745] lowmem_reserve[]: 0
[  543.236270]  warn_alloc.cold.119+0xb7/0x1bd
[  543.241435]  2813
[  543.244742]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  543.249026]  6317 6317
[  543.251094]  ? lock_downgrade+0x900/0x900
[  543.255913] Node 0 
[  543.258421]  ? trace_hardirqs_off+0xb8/0x310
[  543.262565] DMA32 free:25276kB min:30028kB low:37532kB high:45036kB active_anon:12288kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2884608kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  543.264774]  ? trace_hardirqs_off+0xb8/0x310
[  543.269145] lowmem_reserve[]: 0
[  543.296064]  __alloc_pages_slowpath+0x2667/0x2d80
[  543.300447]  0
[  543.303751]  ? warn_alloc+0x120/0x120
[  543.308540]  3503 3503
[  543.310350]  ? warn_alloc+0x120/0x120
[  543.314122] Node 0 
[  543.316615]  ? print_usage_bug+0xc0/0xc0
[  543.320424] Normal free:13728kB min:37384kB low:46728kB high:56072kB active_anon:477632kB inactive_anon:448kB active_file:64kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3587276kB mlocked:0kB kernel_stack:5408kB pagetables:3184kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  543.322630]  ? warn_alloc+0x120/0x120
[  543.326664] lowmem_reserve[]: 0
[  543.354701]  ? print_usage_bug+0xc0/0xc0
[  543.358477]  0
[  543.361751]  ? __lock_acquire+0x7ec/0x4ec0
[  543.365952]  0 0
[  543.367762]  ? __lock_acquire+0x7ec/0x4ec0
[  543.371970] Node 0 
[  543.373945]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  543.378153] DMA: 1*4kB 
[  543.380399]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  543.385907] (U) 
[  543.388489]  ? should_fail+0x22d/0xd01
[  543.393998] 0*8kB 
[  543.395973]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  543.399838] 0*16kB 
[  543.401993]  ? __lock_acquire+0x7ec/0x4ec0
[  543.407065] 1*32kB (U) 
[  543.409315]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  543.413518] 2*64kB (U) 
[  543.416106]  ? __lock_acquire+0x7ec/0x4ec0
[  543.421178] 1*128kB (U) 
[  543.423773]  ? should_fail+0x22d/0xd01
[  543.427975] 1*256kB (U) 
[  543.430657]  ? mark_held_locks+0x130/0x130
[  543.434511] 0*512kB 1*1024kB 
[  543.437188]  ? mark_held_locks+0x130/0x130
[  543.441411] (U) 
[  543.444515]  ? graph_lock+0x170/0x170
[  543.448723] 1*2048kB (M) 
[  543.450706]  ? print_usage_bug+0xc0/0xc0
[  543.454488] 3*4096kB 
[  543.457245]  ? graph_lock+0x170/0x170
[  543.461284] (M) 
[  543.463692]  ? print_usage_bug+0xc0/0xc0
[  543.467468] = 15908kB
[  543.469444]  ? wq_watchdog_touch+0x9c/0xfe
[  543.473479] Node 0 
[  543.475891]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  543.480098] DMA32: 
[  543.482337]  ? check_preemption_disabled+0x48/0x200
[  543.487867] 5*4kB 
[  543.490102]  ? check_preemption_disabled+0x48/0x200
[  543.495092] (UM) 
[  543.497248]  ? __lock_is_held+0xb5/0x140
[  543.502229] 1*8kB (U) 
[  543.504312]  __alloc_pages_nodemask+0xa80/0xde0
[  543.508334] 4*16kB (UM) 
[  543.510835]  ? graph_lock+0x170/0x170
[  543.515476] 3*32kB (UM) 
[  543.518156]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  543.521919] 4*64kB (M) 
[  543.524593]  ? graph_lock+0x170/0x170
[  543.529582] 4*128kB (UM) 
[  543.532183]  ? find_held_lock+0x36/0x1c0
[  543.535952] 3*256kB 
[  543.538711]  ? ____cache_alloc_node+0x1c7/0x1e0
[  543.542738] (M) 4*512kB 
[  543.545065]  ? lock_downgrade+0x900/0x900
[  543.549704] (UM) 3*1024kB 
[  543.552387]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  543.556518] (UM) 
[  543.559360]  cache_grow_begin+0x91/0x8c0
[  543.564865] 3*2048kB (UM) 
[  543.566933]  ? do_raw_spin_unlock+0xa7/0x2f0
[  543.570962] 3*4096kB (M) 
[  543.573818]  fallback_alloc+0x203/0x2e0
[  543.578193] = 25276kB
[  543.578202] Node 0 
[  543.580959]  ____cache_alloc_node+0x1c7/0x1e0
[  543.584899] Normal: 1058*4kB 
[  543.587319]  kmem_cache_alloc_node+0xe3/0x730
[  543.589528] (UMEH) 
[  543.594022]  ? ipv6_get_ifaddr+0x42e/0x620
[  543.597098] 417*8kB (UMEH) 
[  543.601610]  __alloc_skb+0x119/0x770
[  543.603810] 179*16kB (UME) 
[  543.608059]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  543.610962] 63*32kB 
[  543.614677]  ? skb_scrub_packet+0x490/0x490
[  543.617583] (UMEH) 
[  543.622860]  ? lock_downgrade+0x900/0x900
[  543.625166] 21*64kB 
[  543.629484]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  543.631691] (UMH) 
[  543.635928]  ? refcount_sub_and_test_checked+0x203/0x310
[  543.638221] 2*128kB (MH) 
[  543.643765]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  543.645892] 0*256kB 
[  543.651343]  ? addrconf_rs_timer+0x6f0/0x6f0
[  543.654070] 0*512kB 0*1024kB 
[  543.659533]  ndisc_alloc_skb+0x144/0x340
[  543.661833] 0*2048kB 0*4096kB 
[  543.666245]  ndisc_send_rs+0x331/0x6e0
[  543.669332] = 14048kB
[  543.673415]  addrconf_rs_timer+0x3c0/0x6f0
[  543.676590] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  543.680464]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  543.682855] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  543.687090]  call_timer_fn+0x272/0x920
[  543.695891] 164 total pagecache pages
[  543.700119]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  543.708681] 0 pages in swap cache
[  543.712561]  ? process_timeout+0x40/0x40
[  543.716340] Swap cache stats: add 0, delete 0, find 0/0
[  543.720566]  ? find_held_lock+0x36/0x1c0
[  543.723994] Free swap  = 0kB
[  543.728055]  ? __run_timers+0x7da/0xc70
[  543.733388] Total swap = 0kB
[  543.737455]  ? _raw_spin_unlock_irq+0x27/0x80
[  543.740449] 1965979 pages RAM
[  543.744423]  ? _raw_spin_unlock_irq+0x27/0x80
[  543.747425] 0 pages HighMem/MovableOnly
[  543.751919]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  543.754993] 344031 pages reserved
[  543.755001] 0 pages cma reserved
[  543.759491]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  543.763599] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  543.767677]  ? trace_hardirqs_on+0xbd/0x310
[  543.771109] syz-executor4 cpuset=
[  543.774466]  ? kasan_check_read+0x11/0x20
[  543.774484]  ? __run_timers+0x7da/0xc70
[  543.779043] syz4
[  543.789527]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  543.793827]  mems_allowed=0
[  543.797294]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  543.819937]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  543.824185]  __run_timers+0x7e5/0xc70
[  543.828008]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  543.833381]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  543.838435]  ? graph_lock+0x170/0x170
[  543.842249]  ? enqueue_hrtimer+0x1a5/0x560
[  543.846491]  ? lock_release+0x970/0x970
[  543.850478]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  543.855684]  ? find_held_lock+0x36/0x1c0
[  543.859756]  ? graph_lock+0x170/0x170
[  543.863568]  ? pvclock_read_flags+0x160/0x160
[  543.868072]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  543.873614]  ? check_preemption_disabled+0x48/0x200
[  543.878649]  ? __lock_is_held+0xb5/0x140
[  543.882717]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  543.888259]  ? check_preemption_disabled+0x48/0x200
[  543.893287]  run_timer_softirq+0x52/0xb0
[  543.897350]  ? rcu_read_lock_sched_held+0x108/0x120
[  543.902374]  __do_softirq+0x30b/0xad8
[  543.906200]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  543.911313]  ? pvclock_read_flags+0x160/0x160
[  543.915812]  ? lapic_next_event+0x5a/0x90
[  543.919964]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  543.925507]  ? check_preemption_disabled+0x48/0x200
[  543.930527]  ? check_preemption_disabled+0x48/0x200
[  543.935554]  ? kvm_clock_read+0x18/0x30
[  543.939533]  ? kvm_sched_clock_read+0x9/0x20
[  543.943948]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  543.949489]  ? check_preemption_disabled+0x48/0x200
[  543.954521]  irq_exit+0x17f/0x1c0
[  543.957980]  smp_apic_timer_interrupt+0x1cb/0x760
[  543.962825]  ? smp_reschedule_interrupt+0x109/0x650
[  543.967845]  ? smp_call_function_single_interrupt+0x650/0x650
[  543.973737]  ? interrupt_entry+0xb5/0xf0
[  543.977801]  ? trace_hardirqs_off_caller+0xbb/0x310
[  543.982818]  ? trace_hardirqs_off_caller+0xbb/0x310
[  543.987843]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  543.992693]  ? trace_hardirqs_on_caller+0x310/0x310
[  543.997714]  ? trace_hardirqs_on_caller+0x310/0x310
[  544.002740]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  544.008283]  ? check_preemption_disabled+0x48/0x200
[  544.013647]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  544.019198]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  544.024054]  apic_timer_interrupt+0xf/0x20
[  544.028283]  </IRQ>
[  544.030529] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  544.035468] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  544.054371] RSP: 0000:ffff8801866cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  544.062109] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  544.069376] RDX: 0000000000000000 RSI: ffff8801ce554f00 RDI: 0000000000000286
[  544.076652] RBP: ffff8801866cf7b0 R08: ffff8801ce554680 R09: 0000000000000000
[  544.083922] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  544.091195] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  544.098514]  skb_clone+0x1bb/0x500
[  544.102062]  ? finish_task_switch+0x2f5/0x900
[  544.106563]  ? skb_split+0x11e0/0x11e0
[  544.110460]  ? preempt_notifier_register+0x200/0x200
[  544.115564]  ? __switch_to_asm+0x34/0x70
[  544.119628]  ? __switch_to_asm+0x34/0x70
[  544.123691]  ? __switch_to_asm+0x40/0x70
[  544.127753]  ? __switch_to_asm+0x34/0x70
[  544.131816]  ? __switch_to_asm+0x40/0x70
[  544.135880]  ? __switch_to_asm+0x34/0x70
[  544.139941]  ? __switch_to_asm+0x40/0x70
[  544.144001]  ? __switch_to_asm+0x34/0x70
[  544.148066]  ? __switch_to_asm+0x34/0x70
[  544.152128]  ? __switch_to_asm+0x40/0x70
[  544.156197]  ? __switch_to_asm+0x34/0x70
[  544.160269]  bpf_clone_redirect+0xb9/0x490
[  544.164508]  ? __schedule+0x874/0x1ed0
[  544.168416]  bpf_prog_3d1649e183dc2cc1+0x379/0x1000
[  544.173466]  ? __sched_text_start+0x8/0x8
[  544.177625]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  544.182402]  ? find_held_lock+0x36/0x1c0
[  544.186479]  ? lock_acquire+0x1ed/0x520
[  544.190466]  ? bpf_test_run+0x32e/0x5a0
[  544.194446]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  544.199988]  ? check_preemption_disabled+0x48/0x200
[  544.205011]  ? kasan_check_read+0x11/0x20
[  544.209172]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  544.214452]  ? rcu_bh_qs+0xc0/0xc0
[  544.218000]  ? preempt_schedule+0x4d/0x60
[  544.222162]  ? ___preempt_schedule+0x16/0x18
[  544.226583]  ? bpf_test_run+0x1c0/0x5a0
[  544.230582]  ? netlink_diag_dump+0x2a0/0x2a0
[  544.235001]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  544.240545]  ? bpf_test_init.isra.9+0x70/0x100
[  544.245144]  ? bpf_prog_test_run_skb+0x634/0xb40
[  544.249918]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  544.254762]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  544.260303]  ? fput+0x130/0x1a0
[  544.263591]  ? __bpf_prog_get+0x9b/0x290
[  544.267662]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  544.272512]  ? bpf_prog_test_run+0x130/0x1a0
[  544.276925]  ? __x64_sys_bpf+0x3d8/0x510
[  544.280994]  ? bpf_prog_get+0x20/0x20
[  544.284819]  ? do_syscall_64+0x1b9/0x820
[  544.288887]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  544.294258]  ? syscall_return_slowpath+0x5e0/0x5e0
[  544.299193]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  544.304043]  ? trace_hardirqs_on_caller+0x310/0x310
[  544.309068]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  544.314094]  ? prepare_exit_to_usermode+0x291/0x3b0
[  544.319122]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  544.323990]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  544.329375] CPU: 0 PID: 11399 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  544.329460] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  544.336749] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  544.336758] Call Trace:
[  544.343335] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  544.352579]  <IRQ>
[  544.355150] syz-executor4 cpuset=
[  544.366159]  dump_stack+0x1c4/0x2b4
[  544.368291] syz4
[  544.371752]  ? dump_stack_print_info.cold.2+0x52/0x52
[  544.375345]  mems_allowed=0
[  544.385434]  warn_alloc.cold.119+0xb7/0x1bd
[  544.389765]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  544.394613]  ? lock_downgrade+0x900/0x900
[  544.398773]  ? trace_hardirqs_off+0xb8/0x310
[  544.403191]  ? trace_hardirqs_off+0xb8/0x310
[  544.407612]  __alloc_pages_slowpath+0x2667/0x2d80
[  544.412488]  ? warn_alloc+0x120/0x120
[  544.416298]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  544.421317]  ? warn_alloc+0x120/0x120
[  544.425124]  ? print_usage_bug+0xc0/0xc0
[  544.429190]  ? warn_alloc+0x120/0x120
[  544.432997]  ? print_usage_bug+0xc0/0xc0
[  544.437062]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  544.442276]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  544.447826]  ? should_fail+0x22d/0xd01
[  544.451725]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  544.456829]  ? __lock_acquire+0x7ec/0x4ec0
[  544.461070]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  544.466174]  ? should_fail+0x22d/0xd01
[  544.470076]  ? mark_held_locks+0x130/0x130
[  544.474315]  ? mark_held_locks+0x130/0x130
[  544.478547]  ? print_usage_bug+0xc0/0xc0
[  544.482615]  ? find_held_lock+0x36/0x1c0
[  544.486684]  ? graph_lock+0x170/0x170
[  544.490492]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  544.496035]  ? check_preemption_disabled+0x48/0x200
[  544.501376]  ? check_preemption_disabled+0x48/0x200
[  544.506426]  ? __lock_is_held+0xb5/0x140
[  544.510503]  __alloc_pages_nodemask+0xa80/0xde0
[  544.515364]  ? graph_lock+0x170/0x170
[  544.519182]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  544.524218]  ? graph_lock+0x170/0x170
[  544.528034]  ? find_held_lock+0x36/0x1c0
[  544.532107]  ? ____cache_alloc_node+0x1c7/0x1e0
[  544.536779]  ? lock_downgrade+0x900/0x900
[  544.540939]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  544.546483]  cache_grow_begin+0x91/0x8c0
[  544.550547]  ? do_raw_spin_unlock+0xa7/0x2f0
[  544.554969]  fallback_alloc+0x203/0x2e0
[  544.558956]  ____cache_alloc_node+0x1c7/0x1e0
[  544.563465]  kmem_cache_alloc_node+0xe3/0x730
[  544.567964]  ? mark_held_locks+0xc7/0x130
[  544.572128]  __alloc_skb+0x119/0x770
[  544.575853]  ? skb_scrub_packet+0x490/0x490
[  544.580177]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  544.584773]  ? queue_work_on+0x12c/0x1e0
[  544.588848]  ? switchdev_port_obj_del+0xdc/0x450
[  544.593621]  ? switchdev_trans_item_enqueue+0x260/0x260
[  544.599021]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  544.604075]  __br_mdb_notify+0x4ff/0x15d0
[  544.608237]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  544.613355]  ? __br_mdb_add+0x800/0x800
[  544.617334]  ? kasan_check_write+0x14/0x20
[  544.621581]  ? do_raw_spin_lock+0xc1/0x200
[  544.625827]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  544.630935]  ? debug_object_assert_init+0x368/0x4b0
[  544.635954]  ? debug_object_init_on_stack+0x20/0x20
[  544.640974]  ? graph_lock+0x170/0x170
[  544.644782]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  544.650332]  br_mdb_notify+0x310/0x410
[  544.654224]  ? br_mdb_dump+0x2530/0x2530
[  544.658302]  br_multicast_del_pg+0x3df/0x790
[  544.662719]  ? br_mdb_ip_get+0x940/0x940
[  544.666791]  ? kasan_check_write+0x14/0x20
[  544.671032]  ? do_raw_spin_lock+0xc1/0x200
[  544.675277]  br_multicast_port_group_expired+0x189/0x1e0
[  544.680738]  call_timer_fn+0x272/0x920
[  544.684629]  ? br_multicast_del_pg+0x790/0x790
[  544.689221]  ? process_timeout+0x40/0x40
[  544.693282]  ? find_held_lock+0x36/0x1c0
[  544.697358]  ? __run_timers+0x7da/0xc70
[  544.701345]  ? _raw_spin_unlock_irq+0x27/0x80
[  544.705841]  ? _raw_spin_unlock_irq+0x27/0x80
[  544.710340]  ? br_multicast_del_pg+0x790/0x790
[  544.714927]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  544.719517]  ? trace_hardirqs_on+0xbd/0x310
[  544.723838]  ? kasan_check_read+0x11/0x20
[  544.727988]  ? __run_timers+0x7da/0xc70
[  544.731968]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  544.737432]  ? br_multicast_del_pg+0x790/0x790
[  544.742042]  ? br_multicast_del_pg+0x790/0x790
[  544.746629]  __run_timers+0x7e5/0xc70
[  544.750456]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  544.755827]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  544.760848]  ? graph_lock+0x170/0x170
[  544.764661]  ? enqueue_hrtimer+0x1a5/0x560
[  544.768900]  ? lock_release+0x970/0x970
[  544.772879]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  544.778079]  ? find_held_lock+0x36/0x1c0
[  544.782146]  ? graph_lock+0x170/0x170
[  544.785953]  ? pvclock_read_flags+0x160/0x160
[  544.790458]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  544.795997]  ? check_preemption_disabled+0x48/0x200
[  544.801026]  ? __lock_is_held+0xb5/0x140
[  544.805092]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  544.810632]  ? check_preemption_disabled+0x48/0x200
[  544.815687]  run_timer_softirq+0x52/0xb0
[  544.819756]  ? rcu_read_lock_sched_held+0x108/0x120
[  544.824774]  __do_softirq+0x30b/0xad8
[  544.828587]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  544.833744]  ? pvclock_read_flags+0x160/0x160
[  544.838264]  ? lapic_next_event+0x5a/0x90
[  544.842434]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  544.847975]  ? check_preemption_disabled+0x48/0x200
[  544.852995]  ? check_preemption_disabled+0x48/0x200
[  544.858019]  ? kvm_clock_read+0x18/0x30
[  544.862000]  ? kvm_sched_clock_read+0x9/0x20
[  544.866425]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  544.871964]  ? check_preemption_disabled+0x48/0x200
[  544.876998]  irq_exit+0x17f/0x1c0
[  544.880458]  smp_apic_timer_interrupt+0x1cb/0x760
[  544.885301]  ? smp_reschedule_interrupt+0x109/0x650
[  544.890324]  ? smp_call_function_single_interrupt+0x650/0x650
[  544.896214]  ? interrupt_entry+0xb5/0xf0
[  544.900279]  ? trace_hardirqs_off_caller+0xbb/0x310
[  544.905296]  ? trace_hardirqs_off_caller+0xbb/0x310
[  544.910321]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  544.915172]  ? trace_hardirqs_on_caller+0x310/0x310
[  544.920191]  ? trace_hardirqs_on_caller+0x310/0x310
[  544.925235]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  544.930781]  ? check_preemption_disabled+0x48/0x200
[  544.935797]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  544.941345]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  544.946203]  apic_timer_interrupt+0xf/0x20
[  544.950439]  </IRQ>
[  544.952690] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  544.957624] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  544.976529] RSP: 0000:ffff8801ba62f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  544.984239] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  544.991515] RDX: 0000000000000000 RSI: ffff8801b881aa80 RDI: 0000000000000286
[  544.998801] RBP: ffff8801ba62f7b0 R08: ffff8801b881a200 R09: 0000000000000000
[  545.006077] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  545.013349] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  545.020680]  skb_clone+0x1bb/0x500
[  545.024230]  ? finish_task_switch+0x1b5/0x900
[  545.028744]  ? skb_split+0x11e0/0x11e0
[  545.032640]  ? preempt_notifier_register+0x200/0x200
[  545.037756]  ? __switch_to_asm+0x34/0x70
[  545.041819]  ? __switch_to_asm+0x34/0x70
[  545.045883]  ? __switch_to_asm+0x40/0x70
[  545.049950]  ? __switch_to_asm+0x34/0x70
[  545.054016]  ? __switch_to_asm+0x40/0x70
[  545.058077]  ? __switch_to_asm+0x34/0x70
[  545.062144]  ? __switch_to_asm+0x40/0x70
[  545.066210]  ? __switch_to_asm+0x34/0x70
[  545.070278]  ? __switch_to_asm+0x34/0x70
[  545.074338]  ? __switch_to_asm+0x40/0x70
[  545.078411]  ? __switch_to_asm+0x34/0x70
[  545.082487]  bpf_clone_redirect+0xb9/0x490
[  545.086727]  ? __schedule+0x874/0x1ed0
[  545.090626]  bpf_prog_3d1649e183dc2cc1+0xcce/0x1000
[  545.095662]  ? __sched_text_start+0x8/0x8
[  545.099826]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  545.104594]  ? find_held_lock+0x36/0x1c0
[  545.108675]  ? lock_acquire+0x1ed/0x520
[  545.112659]  ? bpf_test_run+0x32e/0x5a0
[  545.116640]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  545.122198]  ? check_preemption_disabled+0x48/0x200
[  545.127217]  ? kasan_check_read+0x11/0x20
[  545.131372]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  545.136664]  ? rcu_bh_qs+0xc0/0xc0
[  545.140206]  ? preempt_schedule+0x4d/0x60
[  545.144360]  ? ___preempt_schedule+0x16/0x18
[  545.148786]  ? bpf_test_run+0x1c0/0x5a0
[  545.152775]  ? netlink_diag_dump+0x2a0/0x2a0
[  545.157190]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  545.162728]  ? bpf_test_init.isra.9+0x70/0x100
[  545.167318]  ? bpf_prog_test_run_skb+0x634/0xb40
[  545.172084]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  545.176928]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  545.182467]  ? fput+0x130/0x1a0
[  545.185750]  ? __bpf_prog_get+0x9b/0x290
[  545.189829]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  545.194693]  ? bpf_prog_test_run+0x130/0x1a0
[  545.199141]  ? __x64_sys_bpf+0x3d8/0x510
[  545.203237]  ? bpf_prog_get+0x20/0x20
[  545.207060]  ? do_syscall_64+0x1b9/0x820
[  545.211127]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  545.216495]  ? syscall_return_slowpath+0x5e0/0x5e0
[  545.221433]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  545.226286]  ? trace_hardirqs_on_caller+0x310/0x310
[  545.231306]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  545.236331]  ? prepare_exit_to_usermode+0x291/0x3b0
[  545.241371]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  545.246239]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  545.251618] warn_alloc_show_mem: 1 callbacks suppressed
[  545.251630] CPU: 1 PID: 11390 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  545.251632] Mem-Info:
[  545.251670] active_anon:122480 inactive_anon:112 isolated_anon:0
[  545.251670]  active_file:16 inactive_file:5 isolated_file:0
[  545.251670]  unevictable:0 dirty:0 writeback:0 unstable:0
[  545.251670]  slab_reclaimable:9164 slab_unreclaimable:1399977
[  545.251670]  mapped:40962 shmem:118 pagetables:796 bounce:0
[  545.251670]  free:13728 free_pcp:0 free_cma:0
[  545.257003] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  545.264372] Node 0 active_anon:489920kB inactive_anon:448kB active_file:64kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:472kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 471040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  545.266798] Call Trace:
[  545.299489] Node 0 
[  545.308832]  <IRQ>
[  545.336339] 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
[  545.338904]  dump_stack+0x1c4/0x2b4
[  545.341106] lowmem_reserve[]: 0
[  545.343262]  ? dump_stack_print_info.cold.2+0x52/0x52
[  545.368930]  2813 6317
[  545.372592]  warn_alloc.cold.119+0xb7/0x1bd
[  545.375821]  6317
[  545.381017]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  545.383490] Node 0 
[  545.387812]  ? lock_downgrade+0x900/0x900
[  545.389876] DMA32 free:25276kB min:30028kB low:37532kB high:45036kB active_anon:12288kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2884608kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  545.394695]  ? trace_hardirqs_off+0xb8/0x310
[  545.396898] lowmem_reserve[]: 0
[  545.401051]  ? trace_hardirqs_off+0xb8/0x310
[  545.427932]  0
[  545.432349]  __alloc_pages_slowpath+0x2667/0x2d80
[  545.435588]  3503 3503
[  545.440028]  ? warn_alloc+0x120/0x120
[  545.441784] Node 0 
[  545.446621]  ? trace_hardirqs_on+0x310/0x310
[  545.449123] Normal free:13728kB min:37384kB low:46728kB high:56072kB active_anon:477632kB inactive_anon:448kB active_file:64kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3587276kB mlocked:0kB kernel_stack:5408kB pagetables:3184kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  545.452892]  ? warn_alloc+0x120/0x120
[  545.455103] lowmem_reserve[]:
[  545.459511]  ? print_usage_bug+0xc0/0xc0
[  545.487505]  0
[  545.491305]  ? warn_alloc+0x120/0x120
[  545.494378]  0 0
[  545.498456]  ? ktime_get+0x2e1/0x440
[  545.500226]  0
[  545.504031]  ? print_usage_bug+0xc0/0xc0
[  545.505987] Node 0 
[  545.509696]  ? __lock_acquire+0x7ec/0x4ec0
[  545.511476] DMA: 1*4kB 
[  545.515544]  ? __lock_acquire+0x7ec/0x4ec0
[  545.517761] (U) 
[  545.521993]  ? kasan_check_read+0x11/0x20
[  545.524551] 0*8kB 0*16kB 
[  545.528794]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  545.530755] 1*32kB (U) 
[  545.534907]  ? should_fail+0x22d/0xd01
[  545.537641] 2*64kB 
[  545.543183]  ? rcu_bh_qs+0xc0/0xc0
[  545.545747] (U) 
[  545.549631]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  545.551838] 1*128kB (U) 
[  545.555390]  ? __lock_acquire+0x7ec/0x4ec0
[  545.557350] 1*256kB 
[  545.562451]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  545.565094] (U) 
[  545.569322]  ? __lock_acquire+0x7ec/0x4ec0
[  545.571618] 0*512kB 1*1024kB 
[  545.576719]  ? should_fail+0x22d/0xd01
[  545.576739]  ? rcu_idle_enter+0x4b0/0x4b0
[  545.578691] (U) 
[  545.582929]  ? mark_held_locks+0x130/0x130
[  545.586003] 1*2048kB (M) 
[  545.589898]  ? mark_held_locks+0x130/0x130
[  545.594016] 3*4096kB (M) 
[  545.595997]  ? mark_held_locks+0xc7/0x130
[  545.600207] = 15908kB
[  545.600215] Node 0 
[  545.602967]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  545.602983]  ? graph_lock+0x170/0x170
[  545.607198] DMA32: 
[  545.609952]  ? print_usage_bug+0xc0/0xc0
[  545.614076] 5*4kB 
[  545.616483]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  545.618698] (UM) 
[  545.623710]  ? check_preemption_disabled+0x48/0x200
[  545.627480] 1*8kB (U) 
[  545.629722]  ? check_preemption_disabled+0x48/0x200
[  545.633761] 4*16kB 
[  545.635912]  ? __lock_is_held+0xb5/0x140
[  545.641425] (UM) 
[  545.643496]  __alloc_pages_nodemask+0xa80/0xde0
[  545.648481] 3*32kB (UM) 
[  545.650981]  ? graph_lock+0x170/0x170
[  545.655969] 4*64kB (M) 
[  545.658210]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  545.662242] 4*128kB (UM) 
[  545.664307]  ? graph_lock+0x170/0x170
[  545.668947] 3*256kB (M) 
[  545.671628]  ? find_held_lock+0x36/0x1c0
[  545.675401] 4*512kB (UM) 
[  545.677995]  ? ____cache_alloc_node+0x1c7/0x1e0
[  545.682973] 3*1024kB (UM) 
[  545.685752]  ? lock_downgrade+0x900/0x900
[  545.689540] 3*2048kB (UM) 
[  545.692221]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  545.696250] 3*4096kB (M) 
[  545.699016]  cache_grow_begin+0x91/0x8c0
[  545.703662] = 25276kB
[  545.706501]  ? do_raw_spin_unlock+0xa7/0x2f0
[  545.710629] Node 0 
[  545.713479]  fallback_alloc+0x203/0x2e0
[  545.718985] Normal: 
[  545.721743]  ____cache_alloc_node+0x1c7/0x1e0
[  545.725776] 1058*4kB 
[  545.728185]  kmem_cache_alloc_node+0xe3/0x730
[  545.732566] (UMEH) 
[  545.734804]  ? ipv6_get_ifaddr+0x42e/0x620
[  545.738748] 417*8kB (UMEH) 
[  545.741111]  __alloc_skb+0x119/0x770
[  545.745568] 179*16kB (UME) 
[  545.747991]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  545.752457] 63*32kB 
[  545.754691]  ? skb_scrub_packet+0x490/0x490
[  545.758896] (UMEH) 
[  545.761825]  ? lock_downgrade+0x900/0x900
[  545.765514] 21*64kB (UMH) 
[  545.768456]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  545.773696] 2*128kB (MH) 
[  545.776031]  ? refcount_sub_and_test_checked+0x203/0x310
[  545.780332] 0*256kB 
[  545.782573]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  545.786694] 0*512kB 
[  545.789535]  ? addrconf_rs_timer+0x6f0/0x6f0
[  545.795045] 0*1024kB 
[  545.797812]  ndisc_alloc_skb+0x144/0x340
[  545.803224] 0*2048kB 0*4096kB 
[  545.805563]  ndisc_send_rs+0x331/0x6e0
[  545.810985] = 14048kB
[  545.813305]  addrconf_rs_timer+0x3c0/0x6f0
[  545.817693] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  545.820096]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  545.824138] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  545.827334]  call_timer_fn+0x272/0x920
[  545.831190] 164 total pagecache pages
[  545.833595]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  545.837816] 0 pages in swap cache
[  545.847266]  ? process_timeout+0x40/0x40
[  545.851472] Swap cache stats: add 0, delete 0, find 0/0
[  545.851482] Free swap  = 0kB
[  545.860068]  ? find_held_lock+0x36/0x1c0
[  545.863924] Total swap = 0kB
[  545.863932] 1965979 pages RAM
[  545.867734]  ? __run_timers+0x7da/0xc70
[  545.871935] 0 pages HighMem/MovableOnly
[  545.871944] 344031 pages reserved
[  545.875406]  ? _raw_spin_unlock_irq+0x27/0x80
[  545.879441] 0 pages cma reserved
[  545.884818]  ? _raw_spin_unlock_irq+0x27/0x80
[  545.887987] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  545.891874]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  545.894871] syz-executor4 cpuset=
[  545.897975]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  545.901925] syz4
[  545.905896]  ? trace_hardirqs_on+0xbd/0x310
[  545.909325]  mems_allowed=0
[  545.913813]  ? kasan_check_read+0x11/0x20
[  545.957673]  ? __run_timers+0x7da/0xc70
[  545.961679]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  545.967139]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  545.971385]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  545.975636]  __run_timers+0x7e5/0xc70
[  545.979459]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  545.984828]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  545.989855]  ? graph_lock+0x170/0x170
[  545.993663]  ? enqueue_hrtimer+0x1a5/0x560
[  545.997898]  ? lock_release+0x970/0x970
[  546.001880]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  546.007080]  ? find_held_lock+0x36/0x1c0
[  546.011147]  ? graph_lock+0x170/0x170
[  546.014961]  ? pvclock_read_flags+0x160/0x160
[  546.019466]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  546.025007]  ? check_preemption_disabled+0x48/0x200
[  546.030039]  ? __lock_is_held+0xb5/0x140
[  546.034107]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  546.039649]  ? check_preemption_disabled+0x48/0x200
[  546.044690]  run_timer_softirq+0x52/0xb0
[  546.048756]  ? rcu_read_lock_sched_held+0x108/0x120
[  546.053773]  __do_softirq+0x30b/0xad8
[  546.057587]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  546.062700]  ? pvclock_read_flags+0x160/0x160
[  546.067197]  ? lapic_next_event+0x5a/0x90
[  546.071348]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  546.076887]  ? check_preemption_disabled+0x48/0x200
[  546.081901]  ? check_preemption_disabled+0x48/0x200
[  546.086924]  ? kvm_clock_read+0x18/0x30
[  546.090901]  ? kvm_sched_clock_read+0x9/0x20
[  546.095318]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  546.100857]  ? check_preemption_disabled+0x48/0x200
[  546.105889]  irq_exit+0x17f/0x1c0
[  546.109345]  smp_apic_timer_interrupt+0x1cb/0x760
[  546.114187]  ? smp_reschedule_interrupt+0x109/0x650
[  546.119204]  ? smp_call_function_single_interrupt+0x650/0x650
[  546.125098]  ? interrupt_entry+0xb5/0xf0
[  546.129169]  ? trace_hardirqs_off_caller+0xbb/0x310
[  546.134185]  ? trace_hardirqs_off_caller+0xbb/0x310
[  546.139204]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  546.144048]  ? trace_hardirqs_on_caller+0x310/0x310
[  546.149063]  ? trace_hardirqs_on_caller+0x310/0x310
[  546.154083]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  546.159619]  ? check_preemption_disabled+0x48/0x200
[  546.164639]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  546.170200]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  546.175056]  apic_timer_interrupt+0xf/0x20
[  546.179288]  </IRQ>
[  546.181531] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  546.186463] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  546.205399] RSP: 0000:ffff8801866cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  546.213118] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  546.220388] RDX: 0000000000000000 RSI: ffff8801ce554f00 RDI: 0000000000000286
[  546.227668] RBP: ffff8801866cf7b0 R08: ffff8801ce554680 R09: 0000000000000000
[  546.234939] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  546.242207] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  546.249531]  skb_clone+0x1bb/0x500
[  546.253078]  ? finish_task_switch+0x2f5/0x900
[  546.257579]  ? skb_split+0x11e0/0x11e0
[  546.261476]  ? preempt_notifier_register+0x200/0x200
[  546.266583]  ? __switch_to_asm+0x34/0x70
[  546.270646]  ? __switch_to_asm+0x34/0x70
[  546.274711]  ? __switch_to_asm+0x40/0x70
[  546.278775]  ? __switch_to_asm+0x34/0x70
[  546.282840]  ? __switch_to_asm+0x40/0x70
[  546.286902]  ? __switch_to_asm+0x34/0x70
[  546.290965]  ? __switch_to_asm+0x40/0x70
[  546.295026]  ? __switch_to_asm+0x34/0x70
[  546.299089]  ? __switch_to_asm+0x34/0x70
[  546.303150]  ? __switch_to_asm+0x40/0x70
[  546.307219]  ? __switch_to_asm+0x34/0x70
[  546.311289]  bpf_clone_redirect+0xb9/0x490
[  546.315530]  ? __schedule+0x874/0x1ed0
[  546.319436]  bpf_prog_3d1649e183dc2cc1+0x379/0x1000
[  546.324456]  ? __sched_text_start+0x8/0x8
[  546.328612]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  546.333380]  ? find_held_lock+0x36/0x1c0
[  546.337462]  ? lock_acquire+0x1ed/0x520
[  546.341438]  ? bpf_test_run+0x32e/0x5a0
[  546.345421]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  546.350962]  ? check_preemption_disabled+0x48/0x200
[  546.355985]  ? kasan_check_read+0x11/0x20
[  546.360142]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  546.365707]  ? rcu_bh_qs+0xc0/0xc0
[  546.369259]  ? preempt_schedule+0x4d/0x60
[  546.373423]  ? ___preempt_schedule+0x16/0x18
[  546.377848]  ? bpf_test_run+0x1c0/0x5a0
[  546.381837]  ? netlink_diag_dump+0x2a0/0x2a0
[  546.386253]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  546.391792]  ? bpf_test_init.isra.9+0x70/0x100
[  546.396388]  ? bpf_prog_test_run_skb+0x634/0xb40
[  546.401170]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  546.406014]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  546.411550]  ? fput+0x130/0x1a0
[  546.414839]  ? __bpf_prog_get+0x9b/0x290
[  546.418907]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  546.423751]  ? bpf_prog_test_run+0x130/0x1a0
[  546.428172]  ? __x64_sys_bpf+0x3d8/0x510
[  546.432239]  ? bpf_prog_get+0x20/0x20
[  546.436065]  ? do_syscall_64+0x1b9/0x820
[  546.440131]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  546.445537]  ? syscall_return_slowpath+0x5e0/0x5e0
[  546.450467]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  546.455314]  ? trace_hardirqs_on_caller+0x310/0x310
[  546.460948]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  546.465967]  ? prepare_exit_to_usermode+0x291/0x3b0
[  546.470997]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  546.475851]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  546.481240] CPU: 0 PID: 11399 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  546.481328] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  546.488617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  546.488623] Call Trace:
[  546.488630]  <IRQ>
[  546.488647]  dump_stack+0x1c4/0x2b4
[  546.488672]  ? dump_stack_print_info.cold.2+0x52/0x52
[  546.495206] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  546.505438]  warn_alloc.cold.119+0xb7/0x1bd
[  546.508022] syz-executor4 cpuset=
[  546.510171]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  546.510190]  ? lock_downgrade+0x900/0x900
[  546.513793] syz4
[  546.518981]  ? trace_hardirqs_off+0xb8/0x310
[  546.529445]  mems_allowed=0
[  546.555450]  ? trace_hardirqs_off+0xb8/0x310
[  546.559874]  __alloc_pages_slowpath+0x2667/0x2d80
[  546.564782]  ? warn_alloc+0x120/0x120
[  546.568599]  ? warn_alloc+0x120/0x120
[  546.572410]  ? check_preemption_disabled+0x48/0x200
[  546.577439]  ? print_usage_bug+0xc0/0xc0
[  546.581504]  ? warn_alloc+0x120/0x120
[  546.585306]  ? print_usage_bug+0xc0/0xc0
[  546.589375]  ? mark_held_locks+0x130/0x130
[  546.593619]  ? __lock_is_held+0xb5/0x140
[  546.597695]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  546.603241]  ? should_fail+0x22d/0xd01
[  546.607134]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  546.612246]  ? __lock_acquire+0x7ec/0x4ec0
[  546.616491]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  546.621597]  ? should_fail+0x22d/0xd01
[  546.625501]  ? mark_held_locks+0x130/0x130
[  546.629745]  ? mark_held_locks+0x130/0x130
[  546.633980]  ? print_usage_bug+0xc0/0xc0
[  546.638049]  ? find_held_lock+0x36/0x1c0
[  546.642116]  ? graph_lock+0x170/0x170
[  546.645922]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  546.651488]  ? check_preemption_disabled+0x48/0x200
[  546.656511]  ? check_preemption_disabled+0x48/0x200
[  546.661542]  ? __lock_is_held+0xb5/0x140
[  546.665614]  __alloc_pages_nodemask+0xa80/0xde0
[  546.670290]  ? graph_lock+0x170/0x170
[  546.674103]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  546.679122]  ? graph_lock+0x170/0x170
[  546.682936]  ? find_held_lock+0x36/0x1c0
[  546.687016]  ? ____cache_alloc_node+0x1c7/0x1e0
[  546.691691]  ? lock_downgrade+0x900/0x900
[  546.695852]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  546.701404]  cache_grow_begin+0x91/0x8c0
[  546.705469]  ? do_raw_spin_unlock+0xa7/0x2f0
[  546.709901]  fallback_alloc+0x203/0x2e0
[  546.713892]  ____cache_alloc_node+0x1c7/0x1e0
[  546.718440]  kmem_cache_alloc_node+0xe3/0x730
[  546.722966]  ? mark_held_locks+0xc7/0x130
[  546.727135]  __alloc_skb+0x119/0x770
[  546.730860]  ? skb_scrub_packet+0x490/0x490
[  546.735182]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  546.739774]  ? queue_work_on+0x12c/0x1e0
[  546.743842]  ? switchdev_port_obj_del+0xdc/0x450
[  546.748604]  ? switchdev_trans_item_enqueue+0x260/0x260
[  546.753972]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  546.758998]  __br_mdb_notify+0x4ff/0x15d0
[  546.763152]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  546.768270]  ? __br_mdb_add+0x800/0x800
[  546.772246]  ? kasan_check_write+0x14/0x20
[  546.776482]  ? do_raw_spin_lock+0xc1/0x200
[  546.780724]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  546.785829]  ? debug_object_assert_init+0x368/0x4b0
[  546.790850]  ? debug_object_init_on_stack+0x20/0x20
[  546.795864]  ? graph_lock+0x170/0x170
[  546.799673]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  546.805225]  br_mdb_notify+0x310/0x410
[  546.809119]  ? br_mdb_dump+0x2530/0x2530
[  546.813206]  br_multicast_del_pg+0x3df/0x790
[  546.817626]  ? br_mdb_ip_get+0x940/0x940
[  546.821704]  ? kasan_check_write+0x14/0x20
[  546.825942]  ? do_raw_spin_lock+0xc1/0x200
[  546.830187]  br_multicast_port_group_expired+0x189/0x1e0
[  546.835705]  call_timer_fn+0x272/0x920
[  546.839629]  ? br_multicast_del_pg+0x790/0x790
[  546.844231]  ? process_timeout+0x40/0x40
[  546.848301]  ? find_held_lock+0x36/0x1c0
[  546.852372]  ? __run_timers+0x7da/0xc70
[  546.856361]  ? _raw_spin_unlock_irq+0x27/0x80
[  546.860864]  ? _raw_spin_unlock_irq+0x27/0x80
[  546.865360]  ? br_multicast_del_pg+0x790/0x790
[  546.869948]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  546.874544]  ? trace_hardirqs_on+0xbd/0x310
[  546.878864]  ? kasan_check_read+0x11/0x20
[  546.883013]  ? __run_timers+0x7da/0xc70
[  546.886989]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  546.892449]  ? br_multicast_del_pg+0x790/0x790
[  546.897039]  ? br_multicast_del_pg+0x790/0x790
[  546.901625]  __run_timers+0x7e5/0xc70
[  546.905447]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  546.910815]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  546.915831]  ? graph_lock+0x170/0x170
[  546.919640]  ? enqueue_hrtimer+0x1a5/0x560
[  546.923882]  ? lock_release+0x970/0x970
[  546.927865]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  546.933062]  ? find_held_lock+0x36/0x1c0
[  546.937146]  ? graph_lock+0x170/0x170
[  546.940954]  ? pvclock_read_flags+0x160/0x160
[  546.945455]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  546.950994]  ? check_preemption_disabled+0x48/0x200
[  546.956025]  ? __lock_is_held+0xb5/0x140
[  546.960089]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  546.965637]  ? check_preemption_disabled+0x48/0x200
[  546.970682]  run_timer_softirq+0x52/0xb0
[  546.974746]  ? rcu_read_lock_sched_held+0x108/0x120
[  546.979767]  __do_softirq+0x30b/0xad8
[  546.983582]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  546.988700]  ? pvclock_read_flags+0x160/0x160
[  546.993201]  ? lapic_next_event+0x5a/0x90
[  546.997351]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  547.002894]  ? check_preemption_disabled+0x48/0x200
[  547.007914]  ? check_preemption_disabled+0x48/0x200
[  547.012942]  ? kvm_clock_read+0x18/0x30
[  547.016917]  ? kvm_sched_clock_read+0x9/0x20
[  547.021331]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  547.026869]  ? check_preemption_disabled+0x48/0x200
[  547.031900]  irq_exit+0x17f/0x1c0
[  547.035359]  smp_apic_timer_interrupt+0x1cb/0x760
[  547.040202]  ? smp_reschedule_interrupt+0x109/0x650
[  547.045308]  ? smp_call_function_single_interrupt+0x650/0x650
[  547.051199]  ? interrupt_entry+0xb5/0xf0
[  547.055349]  ? trace_hardirqs_off_caller+0xbb/0x310
[  547.060365]  ? trace_hardirqs_off_caller+0xbb/0x310
[  547.065413]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  547.070261]  ? trace_hardirqs_on_caller+0x310/0x310
[  547.075279]  ? trace_hardirqs_on_caller+0x310/0x310
[  547.080297]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  547.085840]  ? check_preemption_disabled+0x48/0x200
[  547.090855]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  547.096411]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  547.101270]  apic_timer_interrupt+0xf/0x20
[  547.105502]  </IRQ>
[  547.107748] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  547.112682] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  547.131586] RSP: 0000:ffff8801ba62f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  547.139297] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  547.146563] RDX: 0000000000000000 RSI: ffff8801b881aa80 RDI: 0000000000000286
[  547.153831] RBP: ffff8801ba62f7b0 R08: ffff8801b881a200 R09: 0000000000000000
[  547.161102] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  547.168372] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  547.175704]  skb_clone+0x1bb/0x500
[  547.179254]  ? finish_task_switch+0x1b5/0x900
[  547.183752]  ? skb_split+0x11e0/0x11e0
[  547.187645]  ? preempt_notifier_register+0x200/0x200
[  547.192761]  ? __switch_to_asm+0x34/0x70
[  547.196828]  ? __switch_to_asm+0x34/0x70
[  547.200897]  ? __switch_to_asm+0x40/0x70
[  547.204965]  ? __switch_to_asm+0x34/0x70
[  547.209041]  ? __switch_to_asm+0x40/0x70
[  547.213110]  ? __switch_to_asm+0x34/0x70
[  547.217175]  ? __switch_to_asm+0x40/0x70
[  547.221243]  ? __switch_to_asm+0x34/0x70
[  547.225309]  ? __switch_to_asm+0x34/0x70
[  547.229369]  ? __switch_to_asm+0x40/0x70
[  547.233442]  ? __switch_to_asm+0x34/0x70
[  547.237512]  bpf_clone_redirect+0xb9/0x490
[  547.241749]  ? __schedule+0x874/0x1ed0
[  547.245645]  bpf_prog_3d1649e183dc2cc1+0xcce/0x1000
[  547.250680]  ? __sched_text_start+0x8/0x8
[  547.254836]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  547.259607]  ? find_held_lock+0x36/0x1c0
[  547.263685]  ? lock_acquire+0x1ed/0x520
[  547.267667]  ? bpf_test_run+0x32e/0x5a0
[  547.271646]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  547.277194]  ? check_preemption_disabled+0x48/0x200
[  547.282218]  ? kasan_check_read+0x11/0x20
[  547.286370]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  547.291662]  ? rcu_bh_qs+0xc0/0xc0
[  547.295210]  ? preempt_schedule+0x4d/0x60
[  547.299365]  ? ___preempt_schedule+0x16/0x18
[  547.303790]  ? bpf_test_run+0x1c0/0x5a0
[  547.307785]  ? netlink_diag_dump+0x2a0/0x2a0
[  547.312201]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  547.317742]  ? bpf_test_init.isra.9+0x70/0x100
[  547.322346]  ? bpf_prog_test_run_skb+0x634/0xb40
[  547.327126]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  547.331975]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  547.337518]  ? fput+0x130/0x1a0
[  547.340799]  ? __bpf_prog_get+0x9b/0x290
[  547.344866]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  547.349708]  ? bpf_prog_test_run+0x130/0x1a0
[  547.354127]  ? __x64_sys_bpf+0x3d8/0x510
[  547.358198]  ? bpf_prog_get+0x20/0x20
[  547.362022]  ? do_syscall_64+0x1b9/0x820
[  547.366320]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  547.371699]  ? syscall_return_slowpath+0x5e0/0x5e0
[  547.376631]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  547.381489]  ? trace_hardirqs_on_caller+0x310/0x310
[  547.386510]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  547.391539]  ? prepare_exit_to_usermode+0x291/0x3b0
[  547.396601]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  547.401510]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  547.406890] warn_alloc_show_mem: 1 callbacks suppressed
[  547.406903] CPU: 1 PID: 11390 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  547.406904] Mem-Info:
[  547.406943] active_anon:122480 inactive_anon:112 isolated_anon:0
[  547.406943]  active_file:16 inactive_file:5 isolated_file:0
[  547.406943]  unevictable:0 dirty:0 writeback:0 unstable:0
[  547.406943]  slab_reclaimable:9164 slab_unreclaimable:1399977
[  547.406943]  mapped:40962 shmem:118 pagetables:796 bounce:0
[  547.406943]  free:13728 free_pcp:0 free_cma:0
[  547.412268] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  547.412277] Call Trace:
[  547.419650] Node 0 active_anon:489920kB inactive_anon:448kB active_file:64kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:472kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 471040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  547.422071]  <IRQ>
[  547.454778] Node 0 
[  547.464141]  dump_stack+0x1c4/0x2b4
[  547.466719] 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
[  547.494191]  ? dump_stack_print_info.cold.2+0x52/0x52
[  547.496314] lowmem_reserve[]: 0
[  547.499060]  warn_alloc.cold.119+0xb7/0x1bd
[  547.502653]  2813
[  547.528151]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  547.533314]  6317
[  547.536591]  ? lock_downgrade+0x900/0x900
[  547.540880]  6317
[  547.542950]  ? trace_hardirqs_off+0xb8/0x310
[  547.547765] Node 0 
[  547.549824]  ? trace_hardirqs_off+0xb8/0x310
[  547.553968] DMA32 free:25276kB min:30028kB low:37532kB high:45036kB active_anon:12288kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2884608kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  547.556005]  __alloc_pages_slowpath+0x2667/0x2d80
[  547.560381] lowmem_reserve[]: 0
[  547.562658]  ? warn_alloc+0x120/0x120
[  547.567011]  0 3503
[  547.593906]  ? lock_release+0x970/0x970
[  547.593923]  ? warn_alloc+0x120/0x120
[  547.598747]  3503
[  547.602032]  ? print_usage_bug+0xc0/0xc0
[  547.605811] Node 0 
[  547.608045]  ? warn_alloc+0x120/0x120
[  547.612020] Normal free:13728kB min:37384kB low:46728kB high:56072kB active_anon:477632kB inactive_anon:448kB active_file:64kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3587276kB mlocked:0kB kernel_stack:5408kB pagetables:3184kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  547.615786]  ? print_usage_bug+0xc0/0xc0
[  547.617822] lowmem_reserve[]: 0
[  547.621887]  ? __lock_acquire+0x7ec/0x4ec0
[  547.624098]  0
[  547.627897]  ? __lock_acquire+0x7ec/0x4ec0
[  547.655885]  0 0
[  547.659953]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  547.663208] Node 0 
[  547.667440]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  547.669223] DMA: 
[  547.673452]  ? should_fail+0x22d/0xd01
[  547.675410] 1*4kB 
[  547.680943]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  547.683164] (U) 
[  547.688697]  ? __lock_acquire+0x7ec/0x4ec0
[  547.690735] 0*8kB 0*16kB 
[  547.694627]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  547.696748] 1*32kB (U) 
[  547.701855]  ? __lock_acquire+0x7ec/0x4ec0
[  547.703805] 2*64kB (U) 
[  547.708043]  ? should_fail+0x22d/0xd01
[  547.710777] 1*128kB 
[  547.715878]  ? mark_held_locks+0x130/0x130
[  547.718425] (U) 1*256kB 
[  547.722663]  ? mark_held_locks+0x130/0x130
[  547.725228] (U) 
[  547.729108]  ? graph_lock+0x170/0x170
[  547.731414] 0*512kB 1*1024kB 
[  547.735651]  ? print_usage_bug+0xc0/0xc0
[  547.738295] (U) 1*2048kB 
[  547.742532]  ? graph_lock+0x170/0x170
[  547.744477] (M) 3*4096kB 
[  547.748279]  ? print_usage_bug+0xc0/0xc0
[  547.751355] (M) = 15908kB
[  547.755428]  ? wq_watchdog_touch+0x9c/0xfe
[  547.758167] Node 0 
[  547.761967]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  547.764693] DMA32: 5*4kB 
[  547.768758]  ? check_preemption_disabled+0x48/0x200
[  547.771499] (UM) 
[  547.775733]  ? check_preemption_disabled+0x48/0x200
[  547.777957] 1*8kB 
[  547.783501]  ? __lock_is_held+0xb5/0x140
[  547.786222] (U) 
[  547.791240]  __alloc_pages_nodemask+0xa80/0xde0
[  547.793269] 4*16kB (UM) 
[  547.798293]  ? graph_lock+0x170/0x170
[  547.800430] 3*32kB 
[  547.804494]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  547.806447] (UM) 
[  547.811112]  ? graph_lock+0x170/0x170
[  547.813764] 4*64kB 
[  547.817564]  ? find_held_lock+0x36/0x1c0
[  547.819771] (M) 
[  547.824786]  ? ____cache_alloc_node+0x1c7/0x1e0
[  547.826811] 4*128kB (UM) 
[  547.830615]  ? lock_downgrade+0x900/0x900
[  547.832827] 3*256kB (M) 
[  547.836896]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  547.838854] 4*512kB (UM) 
[  547.843532]  cache_grow_begin+0x91/0x8c0
[  547.846273] 3*1024kB 
[  547.850424]  ? do_raw_spin_unlock+0xa7/0x2f0
[  547.853075] (UM) 
[  547.858611]  fallback_alloc+0x203/0x2e0
[  547.861344] 3*2048kB 
[  547.865413]  ____cache_alloc_node+0x1c7/0x1e0
[  547.867802] (UM) 
[  547.872208]  kmem_cache_alloc_node+0xe3/0x730
[  547.874250] 3*4096kB 
[  547.878218]  ? ipv6_get_ifaddr+0x42e/0x620
[  547.880604] (M) 
[  547.885101]  __alloc_skb+0x119/0x770
[  547.887139] = 25276kB
[  547.891632]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  547.894014] Node 0 
[  547.898244]  ? skb_scrub_packet+0x490/0x490
[  547.900196] Normal: 1058*4kB 
[  547.903916]  ? lock_downgrade+0x900/0x900
[  547.906302] (UMEH) 
[  547.911575]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  547.913778] 417*8kB (UMEH) 
[  547.918105]  ? refcount_sub_and_test_checked+0x203/0x310
[  547.921177] 179*16kB (UME) 
[  547.925330]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  547.927539] 63*32kB (UMEH) 
[  547.933087]  ? addrconf_rs_timer+0x6f0/0x6f0
[  547.935991] 21*64kB (UMH) 
[  547.941454]  ndisc_alloc_skb+0x144/0x340
[  547.944353] 2*128kB 
[  547.949797]  ndisc_send_rs+0x331/0x6e0
[  547.952712] (MH) 
[  547.957118]  addrconf_rs_timer+0x3c0/0x6f0
[  547.959936] 0*256kB 0*512kB 
[  547.963999]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  547.966300] 0*1024kB 
[  547.970193]  call_timer_fn+0x272/0x920
[  547.972220] 0*2048kB 
[  547.976447]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  547.979438] 0*4096kB = 14048kB
[  547.983680]  ? process_timeout+0x40/0x40
[  547.986073] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  547.989951]  ? find_held_lock+0x36/0x1c0
[  547.992343] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  547.996572]  ? __run_timers+0x7da/0xc70
[  547.999734] 164 total pagecache pages
[  548.003789]  ? _raw_spin_unlock_irq+0x27/0x80
[  548.012600] 0 pages in swap cache
[  548.016653]  ? _raw_spin_unlock_irq+0x27/0x80
[  548.025231] Swap cache stats: add 0, delete 0, find 0/0
[  548.029197]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  548.032972] Free swap  = 0kB
[  548.037464]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  548.040890] Total swap = 0kB
[  548.045383]  ? trace_hardirqs_on+0xbd/0x310
[  548.050732] 1965979 pages RAM
[  548.054963]  ? kasan_check_read+0x11/0x20
[  548.057950] 0 pages HighMem/MovableOnly
[  548.057959] 344031 pages reserved
[  548.062535]  ? __run_timers+0x7da/0xc70
[  548.065529] 0 pages cma reserved
[  548.069848]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  548.073088] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  548.077076]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  548.081029] syz-executor4 cpuset=
[  548.084504]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  548.088452] syz4
[  548.091815]  __run_timers+0x7e5/0xc70
[  548.097239]  mems_allowed=0
[  548.107727]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  548.133616]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  548.138640]  ? graph_lock+0x170/0x170
[  548.142454]  ? enqueue_hrtimer+0x1a5/0x560
[  548.146689]  ? lock_release+0x970/0x970
[  548.150668]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  548.155885]  ? find_held_lock+0x36/0x1c0
[  548.159956]  ? graph_lock+0x170/0x170
[  548.163763]  ? pvclock_read_flags+0x160/0x160
[  548.168262]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  548.173809]  ? check_preemption_disabled+0x48/0x200
[  548.178846]  ? __lock_is_held+0xb5/0x140
[  548.182913]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  548.188461]  ? check_preemption_disabled+0x48/0x200
[  548.193500]  run_timer_softirq+0x52/0xb0
[  548.197564]  ? rcu_read_lock_sched_held+0x108/0x120
[  548.202583]  __do_softirq+0x30b/0xad8
[  548.206408]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  548.211521]  ? pvclock_read_flags+0x160/0x160
[  548.216018]  ? lapic_next_event+0x5a/0x90
[  548.220178]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  548.225717]  ? check_preemption_disabled+0x48/0x200
[  548.230732]  ? check_preemption_disabled+0x48/0x200
[  548.235756]  ? kvm_clock_read+0x18/0x30
[  548.239734]  ? kvm_sched_clock_read+0x9/0x20
[  548.244148]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  548.249690]  ? check_preemption_disabled+0x48/0x200
[  548.254720]  irq_exit+0x17f/0x1c0
[  548.258182]  smp_apic_timer_interrupt+0x1cb/0x760
[  548.263026]  ? smp_reschedule_interrupt+0x109/0x650
[  548.268045]  ? smp_call_function_single_interrupt+0x650/0x650
[  548.273934]  ? interrupt_entry+0xb5/0xf0
[  548.278000]  ? trace_hardirqs_off_caller+0xbb/0x310
[  548.283019]  ? trace_hardirqs_off_caller+0xbb/0x310
[  548.288043]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  548.292890]  ? trace_hardirqs_on_caller+0x310/0x310
[  548.297907]  ? trace_hardirqs_on_caller+0x310/0x310
[  548.302924]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  548.308462]  ? check_preemption_disabled+0x48/0x200
[  548.313484]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  548.319035]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  548.323893]  apic_timer_interrupt+0xf/0x20
[  548.328121]  </IRQ>
[  548.330360] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  548.335304] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  548.354203] RSP: 0000:ffff8801866cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  548.361918] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  548.369456] RDX: 0000000000000000 RSI: ffff8801ce554f00 RDI: 0000000000000286
[  548.376724] RBP: ffff8801866cf7b0 R08: ffff8801ce554680 R09: 0000000000000000
[  548.383992] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  548.391262] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  548.398581]  skb_clone+0x1bb/0x500
[  548.402123]  ? finish_task_switch+0x2f5/0x900
[  548.406629]  ? skb_split+0x11e0/0x11e0
[  548.410525]  ? preempt_notifier_register+0x200/0x200
[  548.415630]  ? __switch_to_asm+0x34/0x70
[  548.419786]  ? __switch_to_asm+0x34/0x70
[  548.423851]  ? __switch_to_asm+0x40/0x70
[  548.427912]  ? __switch_to_asm+0x34/0x70
[  548.431972]  ? __switch_to_asm+0x40/0x70
[  548.436035]  ? __switch_to_asm+0x34/0x70
[  548.440097]  ? __switch_to_asm+0x40/0x70
[  548.444164]  ? __switch_to_asm+0x34/0x70
[  548.448227]  ? __switch_to_asm+0x34/0x70
[  548.452287]  ? __switch_to_asm+0x40/0x70
[  548.456349]  ? __switch_to_asm+0x34/0x70
[  548.460427]  bpf_clone_redirect+0xb9/0x490
[  548.464666]  ? __schedule+0x874/0x1ed0
[  548.468569]  bpf_prog_3d1649e183dc2cc1+0x379/0x1000
[  548.473587]  ? __sched_text_start+0x8/0x8
[  548.477746]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  548.482517]  ? find_held_lock+0x36/0x1c0
[  548.486593]  ? lock_acquire+0x1ed/0x520
[  548.490570]  ? bpf_test_run+0x32e/0x5a0
[  548.494547]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  548.500611]  ? check_preemption_disabled+0x48/0x200
[  548.506172]  ? kasan_check_read+0x11/0x20
[  548.510330]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  548.515609]  ? rcu_bh_qs+0xc0/0xc0
[  548.519183]  ? preempt_schedule+0x4d/0x60
[  548.523328]  ? ___preempt_schedule+0x16/0x18
[  548.527748]  ? bpf_test_run+0x1c0/0x5a0
[  548.531741]  ? netlink_diag_dump+0x2a0/0x2a0
[  548.536152]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  548.541701]  ? bpf_test_init.isra.9+0x70/0x100
[  548.546295]  ? bpf_prog_test_run_skb+0x634/0xb40
[  548.551061]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  548.555909]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  548.561451]  ? fput+0x130/0x1a0
[  548.564735]  ? __bpf_prog_get+0x9b/0x290
[  548.568801]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  548.573644]  ? bpf_prog_test_run+0x130/0x1a0
[  548.578060]  ? __x64_sys_bpf+0x3d8/0x510
[  548.582122]  ? bpf_prog_get+0x20/0x20
[  548.585952]  ? do_syscall_64+0x1b9/0x820
[  548.590019]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  548.595388]  ? syscall_return_slowpath+0x5e0/0x5e0
[  548.600335]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  548.605185]  ? trace_hardirqs_on_caller+0x310/0x310
[  548.610209]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  548.615231]  ? prepare_exit_to_usermode+0x291/0x3b0
[  548.620260]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  548.625116]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  548.630508] CPU: 0 PID: 11399 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  548.630581] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  548.637873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  548.637879] Call Trace:
[  548.637885]  <IRQ>
[  548.637903]  dump_stack+0x1c4/0x2b4
[  548.637925]  ? dump_stack_print_info.cold.2+0x52/0x52
[  548.644466] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  548.653774]  warn_alloc.cold.119+0xb7/0x1bd
[  548.656326] syz-executor4 cpuset=
[  548.658481]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  548.662081] syz4
[  548.667270]  ? lock_downgrade+0x900/0x900
[  548.677735]  mems_allowed=0
[  548.682057]  ? trace_hardirqs_off+0xb8/0x310
[  548.703753]  ? trace_hardirqs_off+0xb8/0x310
[  548.708175]  __alloc_pages_slowpath+0x2667/0x2d80
[  548.713059]  ? warn_alloc+0x120/0x120
[  548.716875]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  548.721899]  ? warn_alloc+0x120/0x120
[  548.725705]  ? print_usage_bug+0xc0/0xc0
[  548.729773]  ? warn_alloc+0x120/0x120
[  548.733583]  ? print_usage_bug+0xc0/0xc0
[  548.737646]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  548.742856]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  548.748406]  ? should_fail+0x22d/0xd01
[  548.752302]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  548.757419]  ? __lock_acquire+0x7ec/0x4ec0
[  548.761672]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  548.766779]  ? should_fail+0x22d/0xd01
[  548.770686]  ? mark_held_locks+0x130/0x130
[  548.774930]  ? mark_held_locks+0x130/0x130
[  548.779168]  ? print_usage_bug+0xc0/0xc0
[  548.783238]  ? find_held_lock+0x36/0x1c0
[  548.787304]  ? graph_lock+0x170/0x170
[  548.791111]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  548.796653]  ? check_preemption_disabled+0x48/0x200
[  548.801685]  ? check_preemption_disabled+0x48/0x200
[  548.806728]  ? __lock_is_held+0xb5/0x140
[  548.810799]  __alloc_pages_nodemask+0xa80/0xde0
[  548.815474]  ? graph_lock+0x170/0x170
[  548.819280]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  548.824297]  ? graph_lock+0x170/0x170
[  548.828123]  ? find_held_lock+0x36/0x1c0
[  548.832228]  ? ____cache_alloc_node+0x1c7/0x1e0
[  548.836905]  ? lock_downgrade+0x900/0x900
[  548.841076]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  548.846627]  cache_grow_begin+0x91/0x8c0
[  548.850697]  ? do_raw_spin_unlock+0xa7/0x2f0
[  548.855118]  fallback_alloc+0x203/0x2e0
[  548.859105]  ____cache_alloc_node+0x1c7/0x1e0
[  548.863610]  kmem_cache_alloc_node+0xe3/0x730
[  548.868110]  ? mark_held_locks+0xc7/0x130
[  548.872273]  __alloc_skb+0x119/0x770
[  548.875996]  ? skb_scrub_packet+0x490/0x490
[  548.880351]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  548.884944]  ? queue_work_on+0x12c/0x1e0
[  548.889014]  ? switchdev_port_obj_del+0xdc/0x450
[  548.893774]  ? switchdev_trans_item_enqueue+0x260/0x260
[  548.899144]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  548.904174]  __br_mdb_notify+0x4ff/0x15d0
[  548.908330]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  548.913447]  ? __br_mdb_add+0x800/0x800
[  548.917434]  ? kasan_check_write+0x14/0x20
[  548.921675]  ? do_raw_spin_lock+0xc1/0x200
[  548.925917]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  548.931027]  ? debug_object_assert_init+0x368/0x4b0
[  548.936048]  ? debug_object_init_on_stack+0x20/0x20
[  548.941064]  ? graph_lock+0x170/0x170
[  548.944874]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  548.950430]  br_mdb_notify+0x310/0x410
[  548.954324]  ? br_mdb_dump+0x2530/0x2530
[  548.958409]  br_multicast_del_pg+0x3df/0x790
[  548.962828]  ? br_mdb_ip_get+0x940/0x940
[  548.966900]  ? kasan_check_write+0x14/0x20
[  548.971137]  ? do_raw_spin_lock+0xc1/0x200
[  548.975386]  br_multicast_port_group_expired+0x189/0x1e0
[  548.980856]  call_timer_fn+0x272/0x920
[  548.984754]  ? br_multicast_del_pg+0x790/0x790
[  548.989338]  ? process_timeout+0x40/0x40
[  548.993407]  ? find_held_lock+0x36/0x1c0
[  548.997481]  ? __run_timers+0x7da/0xc70
[  549.001464]  ? _raw_spin_unlock_irq+0x27/0x80
[  549.005965]  ? _raw_spin_unlock_irq+0x27/0x80
[  549.010463]  ? br_multicast_del_pg+0x790/0x790
[  549.015049]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  549.019638]  ? trace_hardirqs_on+0xbd/0x310
[  549.023967]  ? kasan_check_read+0x11/0x20
[  549.028116]  ? __run_timers+0x7da/0xc70
[  549.032093]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  549.037553]  ? br_multicast_del_pg+0x790/0x790
[  549.042144]  ? br_multicast_del_pg+0x790/0x790
[  549.046730]  __run_timers+0x7e5/0xc70
[  549.050552]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  549.055926]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  549.060946]  ? graph_lock+0x170/0x170
[  549.064752]  ? enqueue_hrtimer+0x1a5/0x560
[  549.068987]  ? lock_release+0x970/0x970
[  549.072983]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  549.078183]  ? find_held_lock+0x36/0x1c0
[  549.082251]  ? graph_lock+0x170/0x170
[  549.086066]  ? pvclock_read_flags+0x160/0x160
[  549.090584]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  549.096131]  ? check_preemption_disabled+0x48/0x200
[  549.101165]  ? __lock_is_held+0xb5/0x140
[  549.105232]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  549.110774]  ? check_preemption_disabled+0x48/0x200
[  549.115798]  run_timer_softirq+0x52/0xb0
[  549.119862]  ? rcu_read_lock_sched_held+0x108/0x120
[  549.124880]  __do_softirq+0x30b/0xad8
[  549.128699]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  549.133809]  ? pvclock_read_flags+0x160/0x160
[  549.138309]  ? lapic_next_event+0x5a/0x90
[  549.142457]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  549.147997]  ? check_preemption_disabled+0x48/0x200
[  549.153014]  ? check_preemption_disabled+0x48/0x200
[  549.158039]  ? kvm_clock_read+0x18/0x30
[  549.162015]  ? kvm_sched_clock_read+0x9/0x20
[  549.166438]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  549.171992]  ? check_preemption_disabled+0x48/0x200
[  549.177022]  irq_exit+0x17f/0x1c0
[  549.180477]  smp_apic_timer_interrupt+0x1cb/0x760
[  549.185319]  ? smp_reschedule_interrupt+0x109/0x650
[  549.190339]  ? smp_call_function_single_interrupt+0x650/0x650
[  549.196227]  ? interrupt_entry+0xb5/0xf0
[  549.200294]  ? trace_hardirqs_off_caller+0xbb/0x310
[  549.205314]  ? trace_hardirqs_off_caller+0xbb/0x310
[  549.210338]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  549.215186]  ? trace_hardirqs_on_caller+0x310/0x310
[  549.220203]  ? trace_hardirqs_on_caller+0x310/0x310
[  549.225224]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  549.230760]  ? check_preemption_disabled+0x48/0x200
[  549.235778]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  549.241328]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  549.246184]  apic_timer_interrupt+0xf/0x20
[  549.250419]  </IRQ>
[  549.252666] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  549.257598] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  549.276499] RSP: 0000:ffff8801ba62f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  549.284210] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  549.291478] RDX: 0000000000000000 RSI: ffff8801b881aa80 RDI: 0000000000000286
[  549.298746] RBP: ffff8801ba62f7b0 R08: ffff8801b881a200 R09: 0000000000000000
[  549.306017] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  549.313282] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  549.320600]  skb_clone+0x1bb/0x500
[  549.324142]  ? finish_task_switch+0x1b5/0x900
[  549.328642]  ? skb_split+0x11e0/0x11e0
[  549.332541]  ? preempt_notifier_register+0x200/0x200
[  549.337648]  ? __switch_to_asm+0x34/0x70
[  549.341723]  ? __switch_to_asm+0x34/0x70
[  549.345784]  ? __switch_to_asm+0x40/0x70
[  549.349849]  ? __switch_to_asm+0x34/0x70
[  549.353913]  ? __switch_to_asm+0x40/0x70
[  549.357976]  ? __switch_to_asm+0x34/0x70
[  549.362062]  ? __switch_to_asm+0x40/0x70
[  549.366140]  ? __switch_to_asm+0x34/0x70
[  549.370213]  ? __switch_to_asm+0x34/0x70
[  549.374280]  ? __switch_to_asm+0x40/0x70
[  549.378340]  ? __switch_to_asm+0x34/0x70
[  549.382433]  bpf_clone_redirect+0xb9/0x490
[  549.386684]  ? __schedule+0x874/0x1ed0
[  549.390582]  bpf_prog_3d1649e183dc2cc1+0xcce/0x1000
[  549.395616]  ? __sched_text_start+0x8/0x8
[  549.399828]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  549.404602]  ? find_held_lock+0x36/0x1c0
[  549.408680]  ? lock_acquire+0x1ed/0x520
[  549.412667]  ? bpf_test_run+0x32e/0x5a0
[  549.416646]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  549.422195]  ? check_preemption_disabled+0x48/0x200
[  549.427218]  ? kasan_check_read+0x11/0x20
[  549.431369]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  549.436662]  ? rcu_bh_qs+0xc0/0xc0
[  549.440204]  ? preempt_schedule+0x4d/0x60
[  549.444355]  ? ___preempt_schedule+0x16/0x18
[  549.448776]  ? bpf_test_run+0x1c0/0x5a0
[  549.452765]  ? netlink_diag_dump+0x2a0/0x2a0
[  549.457184]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  549.462723]  ? bpf_test_init.isra.9+0x70/0x100
[  549.467349]  ? bpf_prog_test_run_skb+0x634/0xb40
[  549.472121]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  549.476970]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  549.482513]  ? fput+0x130/0x1a0
[  549.485802]  ? __bpf_prog_get+0x9b/0x290
[  549.489868]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  549.494712]  ? bpf_prog_test_run+0x130/0x1a0
[  549.499129]  ? __x64_sys_bpf+0x3d8/0x510
[  549.503197]  ? bpf_prog_get+0x20/0x20
[  549.507022]  ? do_syscall_64+0x1b9/0x820
[  549.511088]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  549.516455]  ? syscall_return_slowpath+0x5e0/0x5e0
[  549.521388]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  549.526246]  ? trace_hardirqs_on_caller+0x310/0x310
[  549.531265]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  549.536289]  ? prepare_exit_to_usermode+0x291/0x3b0
[  549.541313]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  549.546172]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  549.551562] warn_alloc_show_mem: 1 callbacks suppressed
[  549.551574] CPU: 1 PID: 11390 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  549.551576] Mem-Info:
[  549.551608] active_anon:122480 inactive_anon:112 isolated_anon:0
[  549.551608]  active_file:16 inactive_file:5 isolated_file:0
[  549.551608]  unevictable:0 dirty:0 writeback:0 unstable:0
[  549.551608]  slab_reclaimable:9164 slab_unreclaimable:1399977
[  549.551608]  mapped:40962 shmem:118 pagetables:796 bounce:0
[  549.551608]  free:13728 free_pcp:0 free_cma:0
[  549.556944] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  549.556953] Call Trace:
[  549.564324] Node 0 active_anon:489920kB inactive_anon:448kB active_file:64kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:472kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 471040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  549.566724]  <IRQ>
[  549.599422] Node 0 
[  549.608777]  dump_stack+0x1c4/0x2b4
[  549.611358] 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
[  549.638824]  ? dump_stack_print_info.cold.2+0x52/0x52
[  549.640951] lowmem_reserve[]:
[  549.643198]  warn_alloc.cold.119+0xb7/0x1bd
[  549.646790]  0
[  549.672290]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  549.677453]  2813
[  549.680554]  ? lock_downgrade+0x900/0x900
[  549.684851]  6317
[  549.686653]  ? trace_hardirqs_off+0xb8/0x310
[  549.691463]  6317
[  549.693531]  ? trace_hardirqs_off+0xb8/0x310
[  549.697655] Node 0 
[  549.699720]  __alloc_pages_slowpath+0x2667/0x2d80
[  549.704125] DMA32 free:25276kB min:30028kB low:37532kB high:45036kB active_anon:12288kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2884608kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  549.706193]  ? warn_alloc+0x120/0x120
[  549.710540] lowmem_reserve[]: 0
[  549.712783]  ? lock_release+0x970/0x970
[  549.717597]  0 3503
[  549.744503]  ? warn_alloc+0x120/0x120
[  549.748282]  3503
[  549.751561]  ? print_usage_bug+0xc0/0xc0
[  549.757745]  ? warn_alloc+0x120/0x120
[  549.761520] Node 0 
[  549.763578]  ? print_usage_bug+0xc0/0xc0
[  549.767645] Normal free:13728kB min:37384kB low:46728kB high:56072kB active_anon:477632kB inactive_anon:448kB active_file:64kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3587276kB mlocked:0kB kernel_stack:5408kB pagetables:3184kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  549.771440]  ? __lock_acquire+0x7ec/0x4ec0
[  549.773650] lowmem_reserve[]: 0
[  549.777717]  ? __lock_acquire+0x7ec/0x4ec0
[  549.805896]  0
[  549.810134]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  549.813373]  0 0
[  549.817622]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  549.819412] Node 0 
[  549.824947]  ? should_fail+0x22d/0xd01
[  549.826895] DMA: 
[  549.832436]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  549.834650] 1*4kB 
[  549.838532]  ? __lock_acquire+0x7ec/0x4ec0
[  549.840570] (U) 
[  549.845678]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  549.847802] 0*8kB 0*16kB 
[  549.852040]  ? __lock_acquire+0x7ec/0x4ec0
[  549.853995] 1*32kB 
[  549.859096]  ? should_fail+0x22d/0xd01
[  549.861825] (U) 2*64kB 
[  549.866071]  ? mark_held_locks+0x130/0x130
[  549.868277] (U) 
[  549.872166]  ? mark_held_locks+0x130/0x130
[  549.874718] 1*128kB (U) 
[  549.878956]  ? graph_lock+0x170/0x170
[  549.880914] 1*256kB 
[  549.885143]  ? print_usage_bug+0xc0/0xc0
[  549.887788] (U) 0*512kB 
[  549.891595]  ? graph_lock+0x170/0x170
[  549.893895] 1*1024kB (U) 
[  549.897963]  ? print_usage_bug+0xc0/0xc0
[  549.900606] 1*2048kB (M) 
[  549.904420]  ? wq_watchdog_touch+0x9c/0xfe
[  549.907153] 3*4096kB (M) 
[  549.911228]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  549.913959] = 15908kB
[  549.913968] Node 0 
[  549.918201]  ? check_preemption_disabled+0x48/0x200
[  549.920930] DMA32: 5*4kB 
[  549.926472]  ? check_preemption_disabled+0x48/0x200
[  549.928862] (UM) 
[  549.931100]  ? __lock_is_held+0xb5/0x140
[  549.936086] 1*8kB 
[  549.938845]  __alloc_pages_nodemask+0xa80/0xde0
[  549.943833] (U) 
[  549.945889]  ? graph_lock+0x170/0x170
[  549.949927] 4*16kB 
[  549.952074]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  549.956717] (UM) 
[  549.958686]  ? graph_lock+0x170/0x170
[  549.962462] 3*32kB (UM) 
[  549.964710]  ? find_held_lock+0x36/0x1c0
[  549.969695] 4*64kB 
[  549.971763]  ? ____cache_alloc_node+0x1c7/0x1e0
[  549.975537] (M) 
[  549.978211]  ? lock_downgrade+0x900/0x900
[  549.982261] 4*128kB (UM) 
[  549.984506]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  549.989141] 3*256kB (M) 
[  549.991131]  cache_grow_begin+0x91/0x8c0
[  549.995247] 4*512kB (UM) 
[  549.998009]  ? do_raw_spin_unlock+0xa7/0x2f0
[  550.003528] 3*1024kB (UM) 
[  550.006206]  fallback_alloc+0x203/0x2e0
[  550.010238] 3*2048kB 
[  550.012995]  ____cache_alloc_node+0x1c7/0x1e0
[  550.017378] (UM) 
[  550.020230]  kmem_cache_alloc_node+0xe3/0x730
[  550.024183] 3*4096kB 
[  550.026590]  ? ipv6_get_ifaddr+0x42e/0x620
[  550.031058] (M) 
[  550.033126]  __alloc_skb+0x119/0x770
[  550.037586] = 25276kB
[  550.037595] Node 0 
[  550.040010]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  550.044209] Normal: 1058*4kB 
[  550.046192]  ? skb_scrub_packet+0x490/0x490
[  550.049882] (UMEH) 
[  550.052289]  ? lock_downgrade+0x900/0x900
[  550.054507] 417*8kB 
[  550.059792]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  550.062870] (UMEH) 
[  550.067275]  ? refcount_sub_and_test_checked+0x203/0x310
[  550.069491] 179*16kB 
[  550.073637]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  550.075925] (UME) 63*32kB 
[  550.081471]  ? addrconf_rs_timer+0x6f0/0x6f0
[  550.083679] (UMEH) 21*64kB 
[  550.089143]  ndisc_alloc_skb+0x144/0x340
[  550.091524] (UMH) 
[  550.096976]  ndisc_send_rs+0x331/0x6e0
[  550.099802] 2*128kB 
[  550.104210]  addrconf_rs_timer+0x3c0/0x6f0
[  550.107116] (MH) 
[  550.111179]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  550.113330] 0*256kB 
[  550.117221]  call_timer_fn+0x272/0x920
[  550.119516] 0*512kB 
[  550.123744]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  550.125784] 0*1024kB 
[  550.130011]  ? process_timeout+0x40/0x40
[  550.130025]  ? find_held_lock+0x36/0x1c0
[  550.130050]  ? __run_timers+0x7da/0xc70
[  550.132374] 0*2048kB 0*4096kB 
[  550.136275]  ? _raw_spin_unlock_irq+0x27/0x80
[  550.138575] = 14048kB
[  550.142818]  ? _raw_spin_unlock_irq+0x27/0x80
[  550.145214] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  550.149267]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  550.153307] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  550.157276]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  550.160443] 164 total pagecache pages
[  550.164932]  ? trace_hardirqs_on+0xbd/0x310
[  550.167322] 0 pages in swap cache
[  550.171806]  ? kasan_check_read+0x11/0x20
[  550.180625] Swap cache stats: add 0, delete 0, find 0/0
[  550.184858]  ? __run_timers+0x7da/0xc70
[  550.193409] Free swap  = 0kB
[  550.197989]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  550.201762] Total swap = 0kB
[  550.206097]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  550.209525] 1965979 pages RAM
[  550.213668]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  550.219007] 0 pages HighMem/MovableOnly
[  550.219016] 344031 pages reserved
[  550.222987]  __run_timers+0x7e5/0xc70
[  550.225979] 0 pages cma reserved
[  550.231443]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  550.234590] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  550.238658]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  550.241747] syz-executor4 cpuset=
[  550.245979]  ? graph_lock+0x170/0x170
[  550.249931] syz4
[  550.253379]  ? enqueue_hrtimer+0x1a5/0x560
[  550.257170]  mems_allowed=0
[  550.260547]  ? lock_release+0x970/0x970
[  550.301641]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  550.306841]  ? find_held_lock+0x36/0x1c0
[  550.310913]  ? graph_lock+0x170/0x170
[  550.314722]  ? pvclock_read_flags+0x160/0x160
[  550.319222]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  550.324763]  ? check_preemption_disabled+0x48/0x200
[  550.329794]  ? __lock_is_held+0xb5/0x140
[  550.333888]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  550.339437]  ? check_preemption_disabled+0x48/0x200
[  550.344469]  run_timer_softirq+0x52/0xb0
[  550.348539]  ? rcu_read_lock_sched_held+0x108/0x120
[  550.353569]  __do_softirq+0x30b/0xad8
[  550.357390]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  550.362517]  ? pvclock_read_flags+0x160/0x160
[  550.367286]  ? lapic_next_event+0x5a/0x90
[  550.371442]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  550.376986]  ? check_preemption_disabled+0x48/0x200
[  550.382002]  ? check_preemption_disabled+0x48/0x200
[  550.387030]  ? kvm_clock_read+0x18/0x30
[  550.391006]  ? kvm_sched_clock_read+0x9/0x20
[  550.395427]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  550.400967]  ? check_preemption_disabled+0x48/0x200
[  550.405998]  irq_exit+0x17f/0x1c0
[  550.409460]  smp_apic_timer_interrupt+0x1cb/0x760
[  550.414306]  ? smp_reschedule_interrupt+0x109/0x650
[  550.419325]  ? smp_call_function_single_interrupt+0x650/0x650
[  550.425218]  ? interrupt_entry+0xb5/0xf0
[  550.429288]  ? trace_hardirqs_off_caller+0xbb/0x310
[  550.434306]  ? trace_hardirqs_off_caller+0xbb/0x310
[  550.439332]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  550.444183]  ? trace_hardirqs_on_caller+0x310/0x310
[  550.449200]  ? trace_hardirqs_on_caller+0x310/0x310
[  550.454222]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  550.459765]  ? check_preemption_disabled+0x48/0x200
[  550.464780]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  550.470331]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  550.475190]  apic_timer_interrupt+0xf/0x20
[  550.479426]  </IRQ>
[  550.481671] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  550.486604] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  550.505986] RSP: 0000:ffff8801866cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  550.513703] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  550.520972] RDX: 0000000000000000 RSI: ffff8801ce554f00 RDI: 0000000000000286
[  550.528240] RBP: ffff8801866cf7b0 R08: ffff8801ce554680 R09: 0000000000000000
[  550.535512] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  550.542781] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  550.550102]  skb_clone+0x1bb/0x500
[  550.553651]  ? finish_task_switch+0x2f5/0x900
[  550.558154]  ? skb_split+0x11e0/0x11e0
[  550.562055]  ? preempt_notifier_register+0x200/0x200
[  550.567169]  ? __switch_to_asm+0x34/0x70
[  550.571234]  ? __switch_to_asm+0x34/0x70
[  550.575302]  ? __switch_to_asm+0x40/0x70
[  550.579365]  ? __switch_to_asm+0x34/0x70
[  550.583436]  ? __switch_to_asm+0x40/0x70
[  550.587499]  ? __switch_to_asm+0x34/0x70
[  550.591559]  ? __switch_to_asm+0x40/0x70
[  550.595629]  ? __switch_to_asm+0x34/0x70
[  550.599701]  ? __switch_to_asm+0x34/0x70
[  550.603765]  ? __switch_to_asm+0x40/0x70
[  550.607829]  ? __switch_to_asm+0x34/0x70
[  550.611904]  bpf_clone_redirect+0xb9/0x490
[  550.616210]  ? __schedule+0x874/0x1ed0
[  550.620107]  bpf_prog_3d1649e183dc2cc1+0x379/0x1000
[  550.625127]  ? __sched_text_start+0x8/0x8
[  550.629290]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  550.634063]  ? find_held_lock+0x36/0x1c0
[  550.638139]  ? lock_acquire+0x1ed/0x520
[  550.642122]  ? bpf_test_run+0x32e/0x5a0
[  550.646103]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  550.651641]  ? check_preemption_disabled+0x48/0x200
[  550.656664]  ? kasan_check_read+0x11/0x20
[  550.660821]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  550.666100]  ? rcu_bh_qs+0xc0/0xc0
[  550.669647]  ? preempt_schedule+0x4d/0x60
[  550.673798]  ? ___preempt_schedule+0x16/0x18
[  550.678217]  ? bpf_test_run+0x1c0/0x5a0
[  550.682205]  ? netlink_diag_dump+0x2a0/0x2a0
[  550.686623]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  550.692168]  ? bpf_test_init.isra.9+0x70/0x100
[  550.696761]  ? bpf_prog_test_run_skb+0x634/0xb40
[  550.701533]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  550.706390]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  550.711958]  ? fput+0x130/0x1a0
[  550.715246]  ? __bpf_prog_get+0x9b/0x290
[  550.719316]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  550.724162]  ? bpf_prog_test_run+0x130/0x1a0
[  550.728577]  ? __x64_sys_bpf+0x3d8/0x510
[  550.732640]  ? bpf_prog_get+0x20/0x20
[  550.736490]  ? do_syscall_64+0x1b9/0x820
[  550.740559]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  550.745929]  ? syscall_return_slowpath+0x5e0/0x5e0
[  550.750862]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  550.755707]  ? trace_hardirqs_on_caller+0x310/0x310
[  550.760729]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  550.765753]  ? prepare_exit_to_usermode+0x291/0x3b0
[  550.770781]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  550.775635]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  550.781023] CPU: 0 PID: 11399 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  550.781122] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  550.788389] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  550.788394] Call Trace:
[  550.788410]  <IRQ>
[  550.788428]  dump_stack+0x1c4/0x2b4
[  550.788446]  ? dump_stack_print_info.cold.2+0x52/0x52
[  550.794977] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  550.804282]  warn_alloc.cold.119+0xb7/0x1bd
[  550.806835] syz-executor4 cpuset=
[  550.808984]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  550.812586] syz4
[  550.817780]  ? lock_downgrade+0x900/0x900
[  550.828247]  mems_allowed=0
[  550.832564]  ? trace_hardirqs_off+0xb8/0x310
[  550.854433]  ? trace_hardirqs_off+0xb8/0x310
[  550.858853]  __alloc_pages_slowpath+0x2667/0x2d80
[  550.863730]  ? warn_alloc+0x120/0x120
[  550.867543]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  550.872560]  ? warn_alloc+0x120/0x120
[  550.876369]  ? print_usage_bug+0xc0/0xc0
[  550.880443]  ? warn_alloc+0x120/0x120
[  550.884249]  ? print_usage_bug+0xc0/0xc0
[  550.888311]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  550.893513]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  550.899054]  ? should_fail+0x22d/0xd01
[  550.902951]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  550.908057]  ? __lock_acquire+0x7ec/0x4ec0
[  550.912302]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  550.917415]  ? should_fail+0x22d/0xd01
[  550.921318]  ? mark_held_locks+0x130/0x130
[  550.925559]  ? mark_held_locks+0x130/0x130
[  550.929792]  ? print_usage_bug+0xc0/0xc0
[  550.933862]  ? find_held_lock+0x36/0x1c0
[  550.937925]  ? graph_lock+0x170/0x170
[  550.941730]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  550.947275]  ? check_preemption_disabled+0x48/0x200
[  550.952323]  ? check_preemption_disabled+0x48/0x200
[  550.957359]  ? __lock_is_held+0xb5/0x140
[  550.961443]  __alloc_pages_nodemask+0xa80/0xde0
[  550.966119]  ? graph_lock+0x170/0x170
[  550.969927]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  550.974947]  ? graph_lock+0x170/0x170
[  550.978764]  ? find_held_lock+0x36/0x1c0
[  550.982839]  ? ____cache_alloc_node+0x1c7/0x1e0
[  550.987514]  ? lock_downgrade+0x900/0x900
[  550.991676]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  550.997220]  cache_grow_begin+0x91/0x8c0
[  551.001283]  ? do_raw_spin_unlock+0xa7/0x2f0
[  551.005704]  fallback_alloc+0x203/0x2e0
[  551.009695]  ____cache_alloc_node+0x1c7/0x1e0
[  551.014198]  kmem_cache_alloc_node+0xe3/0x730
[  551.018698]  ? mark_held_locks+0xc7/0x130
[  551.022868]  __alloc_skb+0x119/0x770
[  551.026593]  ? skb_scrub_packet+0x490/0x490
[  551.030920]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  551.035508]  ? queue_work_on+0x12c/0x1e0
[  551.039582]  ? switchdev_port_obj_del+0xdc/0x450
[  551.044345]  ? switchdev_trans_item_enqueue+0x260/0x260
[  551.049719]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  551.054748]  __br_mdb_notify+0x4ff/0x15d0
[  551.058902]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  551.064020]  ? __br_mdb_add+0x800/0x800
[  551.068001]  ? kasan_check_write+0x14/0x20
[  551.072240]  ? do_raw_spin_lock+0xc1/0x200
[  551.076485]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  551.081593]  ? debug_object_assert_init+0x368/0x4b0
[  551.086616]  ? debug_object_init_on_stack+0x20/0x20
[  551.091632]  ? graph_lock+0x170/0x170
[  551.095446]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  551.100991]  br_mdb_notify+0x310/0x410
[  551.104886]  ? br_mdb_dump+0x2530/0x2530
[  551.108967]  br_multicast_del_pg+0x3df/0x790
[  551.113383]  ? br_mdb_ip_get+0x940/0x940
[  551.117465]  ? kasan_check_write+0x14/0x20
[  551.121719]  ? do_raw_spin_lock+0xc1/0x200
[  551.125977]  br_multicast_port_group_expired+0x189/0x1e0
[  551.131442]  call_timer_fn+0x272/0x920
[  551.135339]  ? br_multicast_del_pg+0x790/0x790
[  551.139929]  ? process_timeout+0x40/0x40
[  551.143990]  ? find_held_lock+0x36/0x1c0
[  551.148062]  ? __run_timers+0x7da/0xc70
[  551.152043]  ? _raw_spin_unlock_irq+0x27/0x80
[  551.156543]  ? _raw_spin_unlock_irq+0x27/0x80
[  551.161038]  ? br_multicast_del_pg+0x790/0x790
[  551.165620]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  551.170210]  ? trace_hardirqs_on+0xbd/0x310
[  551.174534]  ? kasan_check_read+0x11/0x20
[  551.178690]  ? __run_timers+0x7da/0xc70
[  551.182684]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  551.188148]  ? br_multicast_del_pg+0x790/0x790
[  551.192740]  ? br_multicast_del_pg+0x790/0x790
[  551.197322]  __run_timers+0x7e5/0xc70
[  551.201137]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  551.206506]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  551.211526]  ? graph_lock+0x170/0x170
[  551.215333]  ? enqueue_hrtimer+0x1a5/0x560
[  551.219596]  ? lock_release+0x970/0x970
[  551.223588]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  551.228789]  ? find_held_lock+0x36/0x1c0
[  551.232856]  ? graph_lock+0x170/0x170
[  551.236666]  ? pvclock_read_flags+0x160/0x160
[  551.241166]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  551.246703]  ? check_preemption_disabled+0x48/0x200
[  551.251733]  ? __lock_is_held+0xb5/0x140
[  551.255800]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  551.261336]  ? check_preemption_disabled+0x48/0x200
[  551.266364]  run_timer_softirq+0x52/0xb0
[  551.270435]  ? rcu_read_lock_sched_held+0x108/0x120
[  551.275455]  __do_softirq+0x30b/0xad8
[  551.279268]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  551.284379]  ? pvclock_read_flags+0x160/0x160
[  551.288882]  ? lapic_next_event+0x5a/0x90
[  551.293037]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  551.298581]  ? check_preemption_disabled+0x48/0x200
[  551.303596]  ? check_preemption_disabled+0x48/0x200
[  551.308623]  ? kvm_clock_read+0x18/0x30
[  551.312602]  ? kvm_sched_clock_read+0x9/0x20
[  551.317018]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  551.322555]  ? check_preemption_disabled+0x48/0x200
[  551.327586]  irq_exit+0x17f/0x1c0
[  551.331046]  smp_apic_timer_interrupt+0x1cb/0x760
[  551.335889]  ? smp_reschedule_interrupt+0x109/0x650
[  551.340910]  ? smp_call_function_single_interrupt+0x650/0x650
[  551.346802]  ? interrupt_entry+0xb5/0xf0
[  551.350869]  ? trace_hardirqs_off_caller+0xbb/0x310
[  551.355886]  ? trace_hardirqs_off_caller+0xbb/0x310
[  551.360913]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  551.365982]  ? trace_hardirqs_on_caller+0x310/0x310
[  551.371008]  ? trace_hardirqs_on_caller+0x310/0x310
[  551.376031]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  551.381576]  ? check_preemption_disabled+0x48/0x200
[  551.386593]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  551.392141]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  551.396994]  apic_timer_interrupt+0xf/0x20
[  551.401224]  </IRQ>
[  551.403465] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  551.408406] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  551.427308] RSP: 0000:ffff8801ba62f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  551.435023] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  551.442291] RDX: 0000000000000000 RSI: ffff8801b881aa80 RDI: 0000000000000286
[  551.449562] RBP: ffff8801ba62f7b0 R08: ffff8801b881a200 R09: 0000000000000000
[  551.456828] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  551.464093] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  551.471418]  skb_clone+0x1bb/0x500
[  551.474965]  ? finish_task_switch+0x1b5/0x900
[  551.479464]  ? skb_split+0x11e0/0x11e0
[  551.483359]  ? preempt_notifier_register+0x200/0x200
[  551.488463]  ? __switch_to_asm+0x34/0x70
[  551.492529]  ? __switch_to_asm+0x34/0x70
[  551.496612]  ? __switch_to_asm+0x40/0x70
[  551.500683]  ? __switch_to_asm+0x34/0x70
[  551.504744]  ? __switch_to_asm+0x40/0x70
[  551.508804]  ? __switch_to_asm+0x34/0x70
[  551.512865]  ? __switch_to_asm+0x40/0x70
[  551.516937]  ? __switch_to_asm+0x34/0x70
[  551.521005]  ? __switch_to_asm+0x34/0x70
[  551.525065]  ? __switch_to_asm+0x40/0x70
[  551.529126]  ? __switch_to_asm+0x34/0x70
[  551.533199]  bpf_clone_redirect+0xb9/0x490
[  551.537443]  ? __schedule+0x874/0x1ed0
[  551.541342]  bpf_prog_3d1649e183dc2cc1+0xcce/0x1000
[  551.546377]  ? __sched_text_start+0x8/0x8
[  551.550562]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  551.555366]  ? find_held_lock+0x36/0x1c0
[  551.559459]  ? lock_acquire+0x1ed/0x520
[  551.564833]  ? bpf_test_run+0x32e/0x5a0
[  551.568813]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  551.574354]  ? check_preemption_disabled+0x48/0x200
[  551.579381]  ? kasan_check_read+0x11/0x20
[  551.583542]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  551.588826]  ? rcu_bh_qs+0xc0/0xc0
[  551.592373]  ? preempt_schedule+0x4d/0x60
[  551.596535]  ? ___preempt_schedule+0x16/0x18
[  551.600962]  ? bpf_test_run+0x1c0/0x5a0
[  551.604952]  ? netlink_diag_dump+0x2a0/0x2a0
[  551.609366]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  551.614916]  ? bpf_test_init.isra.9+0x70/0x100
[  551.619507]  ? bpf_prog_test_run_skb+0x634/0xb40
[  551.624273]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  551.629120]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  551.634657]  ? fput+0x130/0x1a0
[  551.637948]  ? __bpf_prog_get+0x9b/0x290
[  551.642014]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  551.646855]  ? bpf_prog_test_run+0x130/0x1a0
[  551.651271]  ? __x64_sys_bpf+0x3d8/0x510
[  551.655337]  ? bpf_prog_get+0x20/0x20
[  551.659163]  ? do_syscall_64+0x1b9/0x820
[  551.663229]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  551.668599]  ? syscall_return_slowpath+0x5e0/0x5e0
[  551.673530]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  551.678382]  ? trace_hardirqs_on_caller+0x310/0x310
[  551.683420]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  551.688449]  ? prepare_exit_to_usermode+0x291/0x3b0
[  551.693478]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  551.698366]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  551.703797] CPU: 1 PID: 11390 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  551.703803] warn_alloc_show_mem: 1 callbacks suppressed
[  551.703810] Mem-Info:
[  551.711173] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  551.711183] Call Trace:
[  551.716559] active_anon:122480 inactive_anon:112 isolated_anon:0
[  551.716559]  active_file:16 inactive_file:5 isolated_file:0
[  551.716559]  unevictable:0 dirty:0 writeback:0 unstable:0
[  551.716559]  slab_reclaimable:9164 slab_unreclaimable:1399977
[  551.716559]  mapped:40962 shmem:118 pagetables:796 bounce:0
[  551.716559]  free:13728 free_pcp:0 free_cma:0
[  551.718935]  <IRQ>
[  551.728304] Node 0 active_anon:489920kB inactive_anon:448kB active_file:64kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:472kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 471040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  551.730892]  dump_stack+0x1c4/0x2b4
[  551.763585] Node 0 
[  551.765750]  ? dump_stack_print_info.cold.2+0x52/0x52
[  551.793246] 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
[  551.796859]  warn_alloc.cold.119+0xb7/0x1bd
[  551.799068] lowmem_reserve[]:
[  551.804258]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  551.829739]  0
[  551.834066]  ? lock_downgrade+0x900/0x900
[  551.837143]  2813 6317
[  551.842001]  ? trace_hardirqs_off+0xb8/0x310
[  551.843787]  6317
[  551.847942]  ? trace_hardirqs_off+0xb8/0x310
[  551.850427] Node 0 
[  551.854843]  __alloc_pages_slowpath+0x2667/0x2d80
[  551.856903] DMA32 free:25276kB min:30028kB low:37532kB high:45036kB active_anon:12288kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2884608kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  551.861309]  ? warn_alloc+0x120/0x120
[  551.863494] lowmem_reserve[]:
[  551.868334]  ? lock_release+0x970/0x970
[  551.895199]  0 0
[  551.899018]  ? warn_alloc+0x120/0x120
[  551.902105]  3503
[  551.906067]  ? print_usage_bug+0xc0/0xc0
[  551.908011]  3503
[  551.911814]  ? warn_alloc+0x120/0x120
[  551.913855] Node 0 
[  551.917909]  ? print_usage_bug+0xc0/0xc0
[  551.919979] Normal free:13728kB min:37384kB low:46728kB high:56072kB active_anon:477632kB inactive_anon:448kB active_file:64kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3587276kB mlocked:0kB kernel_stack:5408kB pagetables:3184kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  551.923747]  ? __lock_acquire+0x7ec/0x4ec0
[  551.925959] lowmem_reserve[]:
[  551.930036]  ? __lock_acquire+0x7ec/0x4ec0
[  551.958033]  0
[  551.962272]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  551.965347]  0 0
[  551.969586]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  551.971362]  0
[  551.976894]  ? should_fail+0x22d/0xd01
[  551.984417]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  551.986196] Node 0 
[  551.990077]  ? __lock_acquire+0x7ec/0x4ec0
[  551.995150] DMA: 1*4kB (U) 
[  551.997406]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  552.001608] 0*8kB 0*16kB 
[  552.004548]  ? __lock_acquire+0x7ec/0x4ec0
[  552.009625] 1*32kB 
[  552.012380]  ? should_fail+0x22d/0xd01
[  552.016589] (U) 
[  552.018830]  ? mark_held_locks+0x130/0x130
[  552.022683] 2*64kB (U) 
[  552.024667]  ? mark_held_locks+0x130/0x130
[  552.028875] 1*128kB (U) 
[  552.031468]  ? graph_lock+0x170/0x170
[  552.035683] 1*256kB 
[  552.038348]  ? print_usage_bug+0xc0/0xc0
[  552.042126] (U) 
[  552.044444]  ? graph_lock+0x170/0x170
[  552.048479] 0*512kB 1*1024kB 
[  552.050462]  ? print_usage_bug+0xc0/0xc0
[  552.054231] (U) 1*2048kB 
[  552.057347]  ? wq_watchdog_touch+0x9c/0xfe
[  552.061378] (M) 3*4096kB 
[  552.064157]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  552.068363] (M) 
[  552.071116]  ? check_preemption_disabled+0x48/0x200
[  552.076622] = 15908kB
[  552.076631] Node 0 
[  552.078604]  ? check_preemption_disabled+0x48/0x200
[  552.083588] DMA32: 5*4kB 
[  552.086011]  ? __lock_is_held+0xb5/0x140
[  552.088217] (UM) 
[  552.093236]  __alloc_pages_nodemask+0xa80/0xde0
[  552.095967] 1*8kB (U) 
[  552.100037]  ? graph_lock+0x170/0x170
[  552.102070] 4*16kB (UM) 
[  552.106743]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  552.109214] 3*32kB (UM) 
[  552.113020]  ? graph_lock+0x170/0x170
[  552.115666] 4*64kB (M) 
[  552.120700]  ? find_held_lock+0x36/0x1c0
[  552.123335] 4*128kB (UM) 
[  552.127149]  ? ____cache_alloc_node+0x1c7/0x1e0
[  552.129703] 3*256kB (M) 
[  552.133804]  ? lock_downgrade+0x900/0x900
[  552.136539] 4*512kB 
[  552.141209]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  552.143853] (UM) 
[  552.147999]  cache_grow_begin+0x91/0x8c0
[  552.150291] 3*1024kB (UM) 
[  552.155836]  ? do_raw_spin_unlock+0xa7/0x2f0
[  552.157868] 3*2048kB (UM) 
[  552.161938]  fallback_alloc+0x203/0x2e0
[  552.164753] 3*4096kB (M) 
[  552.169173]  ____cache_alloc_node+0x1c7/0x1e0
[  552.171988] = 25276kB
[  552.175957]  kmem_cache_alloc_node+0xe3/0x730
[  552.178691] Node 0 
[  552.183186]  ? ipv6_get_ifaddr+0x42e/0x620
[  552.185568] Normal: 1058*4kB 
[  552.190077]  __alloc_skb+0x119/0x770
[  552.192281] (UMEH) 
[  552.196517]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  552.199588] 417*8kB (UMEH) 
[  552.203311]  ? skb_scrub_packet+0x490/0x490
[  552.205534] 179*16kB 
[  552.210807]  ? lock_downgrade+0x900/0x900
[  552.213705] (UME) 63*32kB 
[  552.218040]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  552.220431] (UMEH) 
[  552.224574]  ? refcount_sub_and_test_checked+0x203/0x310
[  552.227395] 21*64kB (UMH) 
[  552.232949]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  552.235174] 2*128kB 
[  552.240618]  ? addrconf_rs_timer+0x6f0/0x6f0
[  552.243451] (MH) 
[  552.248904]  ndisc_alloc_skb+0x144/0x340
[  552.251201] 0*256kB 0*512kB 
[  552.255613]  ndisc_send_rs+0x331/0x6e0
[  552.257650] 0*1024kB 
[  552.261704]  addrconf_rs_timer+0x3c0/0x6f0
[  552.264697] 0*2048kB 
[  552.268582]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  552.270960] 0*4096kB = 14048kB
[  552.275210]  call_timer_fn+0x272/0x920
[  552.277591] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  552.281811]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  552.284986] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  552.288865]  ? process_timeout+0x40/0x40
[  552.297684] 164 total pagecache pages
[  552.301915]  ? find_held_lock+0x36/0x1c0
[  552.310469] 0 pages in swap cache
[  552.314530]  ? __run_timers+0x7da/0xc70
[  552.318304] Swap cache stats: add 0, delete 0, find 0/0
[  552.322363]  ? _raw_spin_unlock_irq+0x27/0x80
[  552.325790] Free swap  = 0kB
[  552.329762]  ? _raw_spin_unlock_irq+0x27/0x80
[  552.335099] Total swap = 0kB
[  552.339586]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  552.339604]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  552.342600] 1965979 pages RAM
[  552.347091]  ? trace_hardirqs_on+0xbd/0x310
[  552.350085] 0 pages HighMem/MovableOnly
[  552.354308]  ? kasan_check_read+0x11/0x20
[  552.354327]  ? __run_timers+0x7da/0xc70
[  552.358888] 344031 pages reserved
[  552.361990]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  552.366756] 0 pages cma reserved
[  552.366932] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  552.370746]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  552.374870] syz-executor4 cpuset=
[  552.378839]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  552.382270] syz4
[  552.387714]  __run_timers+0x7e5/0xc70
[  552.391056]  mems_allowed=0
[  552.401548]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  552.427502]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  552.432526]  ? graph_lock+0x170/0x170
[  552.436335]  ? enqueue_hrtimer+0x1a5/0x560
[  552.440570]  ? lock_release+0x970/0x970
[  552.444550]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  552.449751]  ? find_held_lock+0x36/0x1c0
[  552.453824]  ? graph_lock+0x170/0x170
[  552.457632]  ? pvclock_read_flags+0x160/0x160
[  552.462130]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  552.467681]  ? check_preemption_disabled+0x48/0x200
[  552.472807]  ? __lock_is_held+0xb5/0x140
[  552.476876]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  552.482423]  ? check_preemption_disabled+0x48/0x200
[  552.487455]  run_timer_softirq+0x52/0xb0
[  552.491524]  ? rcu_read_lock_sched_held+0x108/0x120
[  552.496552]  __do_softirq+0x30b/0xad8
[  552.500903]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  552.506018]  ? pvclock_read_flags+0x160/0x160
[  552.510521]  ? lapic_next_event+0x5a/0x90
[  552.514676]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  552.520220]  ? check_preemption_disabled+0x48/0x200
[  552.525241]  ? check_preemption_disabled+0x48/0x200
[  552.530264]  ? kvm_clock_read+0x18/0x30
[  552.534244]  ? kvm_sched_clock_read+0x9/0x20
[  552.538660]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  552.544198]  ? check_preemption_disabled+0x48/0x200
[  552.549231]  irq_exit+0x17f/0x1c0
[  552.552692]  smp_apic_timer_interrupt+0x1cb/0x760
[  552.557534]  ? smp_reschedule_interrupt+0x109/0x650
[  552.562551]  ? smp_call_function_single_interrupt+0x650/0x650
[  552.568445]  ? interrupt_entry+0xb5/0xf0
[  552.572524]  ? trace_hardirqs_off_caller+0xbb/0x310
[  552.577544]  ? trace_hardirqs_off_caller+0xbb/0x310
[  552.582569]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  552.587421]  ? trace_hardirqs_on_caller+0x310/0x310
[  552.592441]  ? trace_hardirqs_on_caller+0x310/0x310
[  552.597467]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  552.603009]  ? check_preemption_disabled+0x48/0x200
[  552.608027]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  552.613580]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  552.618443]  apic_timer_interrupt+0xf/0x20
[  552.622673]  </IRQ>
[  552.624919] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  552.629850] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  552.648749] RSP: 0000:ffff8801866cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  552.656463] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  552.663733] RDX: 0000000000000000 RSI: ffff8801ce554f00 RDI: 0000000000000286
[  552.671003] RBP: ffff8801866cf7b0 R08: ffff8801ce554680 R09: 0000000000000000
[  552.678271] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  552.685539] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  552.692857]  skb_clone+0x1bb/0x500
[  552.696410]  ? finish_task_switch+0x2f5/0x900
[  552.700922]  ? skb_split+0x11e0/0x11e0
[  552.704816]  ? preempt_notifier_register+0x200/0x200
[  552.709921]  ? __switch_to_asm+0x34/0x70
[  552.713987]  ? __switch_to_asm+0x34/0x70
[  552.718052]  ? __switch_to_asm+0x40/0x70
[  552.722118]  ? __switch_to_asm+0x34/0x70
[  552.726188]  ? __switch_to_asm+0x40/0x70
[  552.730251]  ? __switch_to_asm+0x34/0x70
[  552.734313]  ? __switch_to_asm+0x40/0x70
[  552.738375]  ? __switch_to_asm+0x34/0x70
[  552.742447]  ? __switch_to_asm+0x34/0x70
[  552.746522]  ? __switch_to_asm+0x40/0x70
[  552.750583]  ? __switch_to_asm+0x34/0x70
[  552.754658]  bpf_clone_redirect+0xb9/0x490
[  552.758919]  ? __schedule+0x874/0x1ed0
[  552.762819]  bpf_prog_3d1649e183dc2cc1+0x379/0x1000
[  552.767843]  ? __sched_text_start+0x8/0x8
[  552.771998]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  552.776765]  ? find_held_lock+0x36/0x1c0
[  552.780835]  ? lock_acquire+0x1ed/0x520
[  552.784812]  ? bpf_test_run+0x32e/0x5a0
[  552.788792]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  552.794331]  ? check_preemption_disabled+0x48/0x200
[  552.799354]  ? kasan_check_read+0x11/0x20
[  552.803507]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  552.808791]  ? rcu_bh_qs+0xc0/0xc0
[  552.812334]  ? preempt_schedule+0x4d/0x60
[  552.816485]  ? ___preempt_schedule+0x16/0x18
[  552.820903]  ? bpf_test_run+0x1c0/0x5a0
[  552.824901]  ? netlink_diag_dump+0x2a0/0x2a0
[  552.829322]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  552.834861]  ? bpf_test_init.isra.9+0x70/0x100
[  552.839451]  ? bpf_prog_test_run_skb+0x634/0xb40
[  552.844223]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  552.849065]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  552.854601]  ? fput+0x130/0x1a0
[  552.857886]  ? __bpf_prog_get+0x9b/0x290
[  552.861955]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  552.866805]  ? bpf_prog_test_run+0x130/0x1a0
[  552.871218]  ? __x64_sys_bpf+0x3d8/0x510
[  552.875281]  ? bpf_prog_get+0x20/0x20
[  552.879111]  ? do_syscall_64+0x1b9/0x820
[  552.883185]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  552.888586]  ? syscall_return_slowpath+0x5e0/0x5e0
[  552.893522]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  552.898374]  ? trace_hardirqs_on_caller+0x310/0x310
[  552.903416]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  552.908447]  ? prepare_exit_to_usermode+0x291/0x3b0
[  552.913475]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  552.918335]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  552.923726] CPU: 0 PID: 11399 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  552.923800] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  552.931090] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  552.931096] Call Trace:
[  552.931102]  <IRQ>
[  552.931121]  dump_stack+0x1c4/0x2b4
[  552.931141]  ? dump_stack_print_info.cold.2+0x52/0x52
[  552.937791] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  552.947061]  warn_alloc.cold.119+0xb7/0x1bd
[  552.949613] syz-executor4 cpuset=
[  552.951758]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  552.955357] syz4
[  552.960546]  ? lock_downgrade+0x900/0x900
[  552.971007]  mems_allowed=0
[  552.975326]  ? trace_hardirqs_off+0xb8/0x310
[  552.996994]  ? trace_hardirqs_off+0xb8/0x310
[  553.001426]  __alloc_pages_slowpath+0x2667/0x2d80
[  553.006305]  ? warn_alloc+0x120/0x120
[  553.010112]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  553.015130]  ? warn_alloc+0x120/0x120
[  553.018936]  ? print_usage_bug+0xc0/0xc0
[  553.022999]  ? warn_alloc+0x120/0x120
[  553.026801]  ? print_usage_bug+0xc0/0xc0
[  553.030864]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  553.036064]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  553.041602]  ? should_fail+0x22d/0xd01
[  553.045496]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  553.050601]  ? __lock_acquire+0x7ec/0x4ec0
[  553.054842]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  553.059947]  ? should_fail+0x22d/0xd01
[  553.063848]  ? mark_held_locks+0x130/0x130
[  553.068090]  ? mark_held_locks+0x130/0x130
[  553.072321]  ? print_usage_bug+0xc0/0xc0
[  553.076388]  ? find_held_lock+0x36/0x1c0
[  553.080463]  ? graph_lock+0x170/0x170
[  553.084291]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  553.089829]  ? check_preemption_disabled+0x48/0x200
[  553.094847]  ? check_preemption_disabled+0x48/0x200
[  553.099876]  ? __lock_is_held+0xb5/0x140
[  553.103950]  __alloc_pages_nodemask+0xa80/0xde0
[  553.108625]  ? graph_lock+0x170/0x170
[  553.112443]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  553.117463]  ? graph_lock+0x170/0x170
[  553.121281]  ? find_held_lock+0x36/0x1c0
[  553.125371]  ? ____cache_alloc_node+0x1c7/0x1e0
[  553.130065]  ? lock_downgrade+0x900/0x900
[  553.134225]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  553.139774]  cache_grow_begin+0x91/0x8c0
[  553.143856]  ? do_raw_spin_unlock+0xa7/0x2f0
[  553.148278]  fallback_alloc+0x203/0x2e0
[  553.152270]  ____cache_alloc_node+0x1c7/0x1e0
[  553.156781]  kmem_cache_alloc_node+0xe3/0x730
[  553.161283]  ? mark_held_locks+0xc7/0x130
[  553.165449]  __alloc_skb+0x119/0x770
[  553.169184]  ? skb_scrub_packet+0x490/0x490
[  553.173523]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  553.178143]  ? queue_work_on+0x12c/0x1e0
[  553.182216]  ? switchdev_port_obj_del+0xdc/0x450
[  553.186975]  ? switchdev_trans_item_enqueue+0x260/0x260
[  553.192343]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  553.197377]  __br_mdb_notify+0x4ff/0x15d0
[  553.201542]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  553.206665]  ? __br_mdb_add+0x800/0x800
[  553.210647]  ? kasan_check_write+0x14/0x20
[  553.214890]  ? do_raw_spin_lock+0xc1/0x200
[  553.219134]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  553.224248]  ? debug_object_assert_init+0x368/0x4b0
[  553.229264]  ? debug_object_init_on_stack+0x20/0x20
[  553.234280]  ? graph_lock+0x170/0x170
[  553.238115]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  553.243686]  br_mdb_notify+0x310/0x410
[  553.247584]  ? br_mdb_dump+0x2530/0x2530
[  553.251687]  br_multicast_del_pg+0x3df/0x790
[  553.256105]  ? br_mdb_ip_get+0x940/0x940
[  553.260193]  ? kasan_check_write+0x14/0x20
[  553.264443]  ? do_raw_spin_lock+0xc1/0x200
[  553.268699]  br_multicast_port_group_expired+0x189/0x1e0
[  553.274164]  call_timer_fn+0x272/0x920
[  553.278058]  ? br_multicast_del_pg+0x790/0x790
[  553.282646]  ? process_timeout+0x40/0x40
[  553.286735]  ? find_held_lock+0x36/0x1c0
[  553.290823]  ? __run_timers+0x7da/0xc70
[  553.294813]  ? _raw_spin_unlock_irq+0x27/0x80
[  553.299425]  ? _raw_spin_unlock_irq+0x27/0x80
[  553.303954]  ? br_multicast_del_pg+0x790/0x790
[  553.308543]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  553.313129]  ? trace_hardirqs_on+0xbd/0x310
[  553.317448]  ? kasan_check_read+0x11/0x20
[  553.321604]  ? __run_timers+0x7da/0xc70
[  553.325582]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  553.331038]  ? br_multicast_del_pg+0x790/0x790
[  553.335627]  ? br_multicast_del_pg+0x790/0x790
[  553.340221]  __run_timers+0x7e5/0xc70
[  553.344039]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  553.349416]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  553.354443]  ? graph_lock+0x170/0x170
[  553.358253]  ? enqueue_hrtimer+0x1a5/0x560
[  553.362492]  ? lock_release+0x970/0x970
[  553.366681]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  553.371880]  ? find_held_lock+0x36/0x1c0
[  553.375952]  ? graph_lock+0x170/0x170
[  553.379755]  ? pvclock_read_flags+0x160/0x160
[  553.384260]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  553.389801]  ? check_preemption_disabled+0x48/0x200
[  553.394837]  ? __lock_is_held+0xb5/0x140
[  553.398902]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  553.404439]  ? check_preemption_disabled+0x48/0x200
[  553.409465]  run_timer_softirq+0x52/0xb0
[  553.413532]  ? rcu_read_lock_sched_held+0x108/0x120
[  553.418551]  __do_softirq+0x30b/0xad8
[  553.422369]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  553.427494]  ? pvclock_read_flags+0x160/0x160
[  553.431996]  ? lapic_next_event+0x5a/0x90
[  553.436144]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  553.441692]  ? check_preemption_disabled+0x48/0x200
[  553.446706]  ? check_preemption_disabled+0x48/0x200
[  553.451729]  ? kvm_clock_read+0x18/0x30
[  553.455709]  ? kvm_sched_clock_read+0x9/0x20
[  553.460121]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  553.465657]  ? check_preemption_disabled+0x48/0x200
[  553.470702]  irq_exit+0x17f/0x1c0
[  553.474160]  smp_apic_timer_interrupt+0x1cb/0x760
[  553.479008]  ? smp_reschedule_interrupt+0x109/0x650
[  553.484028]  ? smp_call_function_single_interrupt+0x650/0x650
[  553.489922]  ? interrupt_entry+0xb5/0xf0
[  553.493996]  ? trace_hardirqs_off_caller+0xbb/0x310
[  553.499015]  ? trace_hardirqs_off_caller+0xbb/0x310
[  553.504041]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  553.508886]  ? trace_hardirqs_on_caller+0x310/0x310
[  553.513946]  ? trace_hardirqs_on_caller+0x310/0x310
[  553.518987]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  553.524546]  ? check_preemption_disabled+0x48/0x200
[  553.529598]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  553.535145]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  553.540044]  apic_timer_interrupt+0xf/0x20
[  553.544286]  </IRQ>
[  553.546533] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  553.551469] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  553.570376] RSP: 0000:ffff8801ba62f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  553.578116] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  553.585409] RDX: 0000000000000000 RSI: ffff8801b881aa80 RDI: 0000000000000286
[  553.592687] RBP: ffff8801ba62f7b0 R08: ffff8801b881a200 R09: 0000000000000000
[  553.599958] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  553.607225] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  553.614609]  skb_clone+0x1bb/0x500
[  553.618158]  ? finish_task_switch+0x1b5/0x900
[  553.622669]  ? skb_split+0x11e0/0x11e0
[  553.626569]  ? preempt_notifier_register+0x200/0x200
[  553.631694]  ? __switch_to_asm+0x34/0x70
[  553.635769]  ? __switch_to_asm+0x34/0x70
[  553.639833]  ? __switch_to_asm+0x40/0x70
[  553.643899]  ? __switch_to_asm+0x34/0x70
[  553.647986]  ? __switch_to_asm+0x40/0x70
[  553.652068]  ? __switch_to_asm+0x34/0x70
[  553.656129]  ? __switch_to_asm+0x40/0x70
[  553.660198]  ? __switch_to_asm+0x34/0x70
[  553.664267]  ? __switch_to_asm+0x34/0x70
[  553.668331]  ? __switch_to_asm+0x40/0x70
[  553.672449]  ? __switch_to_asm+0x34/0x70
[  553.676542]  bpf_clone_redirect+0xb9/0x490
[  553.680781]  ? __schedule+0x874/0x1ed0
[  553.684680]  bpf_prog_3d1649e183dc2cc1+0xcce/0x1000
[  553.689709]  ? __sched_text_start+0x8/0x8
[  553.693868]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  553.698635]  ? find_held_lock+0x36/0x1c0
[  553.702712]  ? lock_acquire+0x1ed/0x520
[  553.706693]  ? bpf_test_run+0x32e/0x5a0
[  553.710678]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  553.716237]  ? check_preemption_disabled+0x48/0x200
[  553.721272]  ? kasan_check_read+0x11/0x20
[  553.725431]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  553.730718]  ? rcu_bh_qs+0xc0/0xc0
[  553.734262]  ? preempt_schedule+0x4d/0x60
[  553.738420]  ? ___preempt_schedule+0x16/0x18
[  553.742839]  ? bpf_test_run+0x1c0/0x5a0
[  553.746828]  ? netlink_diag_dump+0x2a0/0x2a0
[  553.751258]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  553.756810]  ? bpf_test_init.isra.9+0x70/0x100
[  553.761410]  ? bpf_prog_test_run_skb+0x634/0xb40
[  553.766178]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  553.771023]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  553.776559]  ? fput+0x130/0x1a0
[  553.779843]  ? __bpf_prog_get+0x9b/0x290
[  553.783915]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  553.788760]  ? bpf_prog_test_run+0x130/0x1a0
[  553.793173]  ? __x64_sys_bpf+0x3d8/0x510
[  553.797238]  ? bpf_prog_get+0x20/0x20
[  553.801061]  ? do_syscall_64+0x1b9/0x820
[  553.805126]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  553.810493]  ? syscall_return_slowpath+0x5e0/0x5e0
[  553.815432]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  553.820280]  ? trace_hardirqs_on_caller+0x310/0x310
[  553.825298]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  553.830324]  ? prepare_exit_to_usermode+0x291/0x3b0
[  553.835378]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  553.840248]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  553.845626] warn_alloc_show_mem: 1 callbacks suppressed
[  553.845639] CPU: 1 PID: 11390 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  553.845641] Mem-Info:
[  553.845681] active_anon:122480 inactive_anon:112 isolated_anon:0
[  553.845681]  active_file:16 inactive_file:5 isolated_file:0
[  553.845681]  unevictable:0 dirty:0 writeback:0 unstable:0
[  553.845681]  slab_reclaimable:9164 slab_unreclaimable:1399977
[  553.845681]  mapped:40962 shmem:118 pagetables:796 bounce:0
[  553.845681]  free:13728 free_pcp:0 free_cma:0
[  553.851009] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  553.851019] Call Trace:
[  553.858387] Node 0 active_anon:489920kB inactive_anon:448kB active_file:64kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:472kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 471040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  553.860960]  <IRQ>
[  553.893651] Node 0 
[  553.903012]  dump_stack+0x1c4/0x2b4
[  553.905599] 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
[  553.933071]  ? dump_stack_print_info.cold.2+0x52/0x52
[  553.935216] lowmem_reserve[]:
[  553.937461]  warn_alloc.cold.119+0xb7/0x1bd
[  553.941052]  0
[  553.966558]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  553.971726]  2813
[  553.974852]  ? lock_downgrade+0x900/0x900
[  553.974876]  ? trace_hardirqs_off+0xb8/0x310
[  553.979184]  6317
[  553.980985]  ? trace_hardirqs_off+0xb8/0x310
[  553.985793]  6317
[  553.987867]  __alloc_pages_slowpath+0x2667/0x2d80
[  553.991984] Node 0 
[  553.996425]  ? warn_alloc+0x120/0x120
[  553.998467] DMA32 free:25276kB min:30028kB low:37532kB high:45036kB active_anon:12288kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2884608kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  554.002844]  ? trace_hardirqs_on+0x310/0x310
[  554.004875] lowmem_reserve[]: 0
[  554.009726]  ? warn_alloc+0x120/0x120
[  554.011940]  0 3503
[  554.015838]  ? print_usage_bug+0xc0/0xc0
[  554.042712]  3503
[  554.047143]  ? warn_alloc+0x120/0x120
[  554.050392] Node 0 
[  554.054198]  ? ktime_get+0x2e1/0x440
[  554.056447] Normal free:13728kB min:37384kB low:46728kB high:56072kB active_anon:477632kB inactive_anon:448kB active_file:64kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3587276kB mlocked:0kB kernel_stack:5408kB pagetables:3184kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  554.060477]  ? print_usage_bug+0xc0/0xc0
[  554.062524] lowmem_reserve[]: 0
[  554.066329]  ? __lock_acquire+0x7ec/0x4ec0
[  554.068535]  0 0
[  554.072252]  ? __lock_acquire+0x7ec/0x4ec0
[  554.100241]  0
[  554.104310]  ? kasan_check_read+0x11/0x20
[  554.107565] Node 0 
[  554.111797]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  554.113740] DMA: 1*4kB 
[  554.117984]  ? should_fail+0x22d/0xd01
[  554.119761] (U) 
[  554.123903]  ? rcu_bh_qs+0xc0/0xc0
[  554.123921]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  554.126142] 0*8kB 0*16kB 
[  554.131688]  ? __lock_acquire+0x7ec/0x4ec0
[  554.134245] 1*32kB (U) 
[  554.138139]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  554.140090] 2*64kB 
[  554.143626]  ? __lock_acquire+0x7ec/0x4ec0
[  554.148732] (U) 
[  554.151490]  ? should_fail+0x22d/0xd01
[  554.155696] 1*128kB (U) 
[  554.158288]  ? rcu_idle_enter+0x4b0/0x4b0
[  554.163363] 1*256kB 
[  554.165603]  ? mark_held_locks+0x130/0x130
[  554.169806] (U) 0*512kB 
[  554.171787]  ? mark_held_locks+0x130/0x130
[  554.175658] 1*1024kB 
[  554.178364]  ? mark_held_locks+0xc7/0x130
[  554.182489] (U) 
[  554.184808]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  554.184824]  ? graph_lock+0x170/0x170
[  554.189039] 1*2048kB (M) 
[  554.191720]  ? print_usage_bug+0xc0/0xc0
[  554.195927] 3*4096kB (M) 
[  554.198346]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  554.202462] = 15908kB
[  554.202470] Node 0 
[  554.204440]  ? check_preemption_disabled+0x48/0x200
[  554.209439] DMA32: 
[  554.213240]  ? check_preemption_disabled+0x48/0x200
[  554.216007] 5*4kB 
[  554.220070]  ? __lock_is_held+0xb5/0x140
[  554.222799] (UM) 
[  554.228333]  __alloc_pages_nodemask+0xa80/0xde0
[  554.230734] 1*8kB 
[  554.232967]  ? graph_lock+0x170/0x170
[  554.237962] (U) 
[  554.240200]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  554.245190] 4*16kB 
[  554.247338]  ? graph_lock+0x170/0x170
[  554.251377] (UM) 
[  554.253450]  ? find_held_lock+0x36/0x1c0
[  554.258084] 3*32kB (UM) 
[  554.260246]  ? ____cache_alloc_node+0x1c7/0x1e0
[  554.264009] 4*64kB (M) 
[  554.265990]  ? lock_downgrade+0x900/0x900
[  554.270977] 4*128kB (UM) 
[  554.273224]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  554.276993] 3*256kB (M) 
[  554.279065]  cache_grow_begin+0x91/0x8c0
[  554.283096] 4*512kB (UM) 
[  554.285772]  ? do_raw_spin_unlock+0xa7/0x2f0
[  554.290426] 3*1024kB 
[  554.293011]  fallback_alloc+0x203/0x2e0
[  554.297132] (UM) 
[  554.299892]  ____cache_alloc_node+0x1c7/0x1e0
[  554.305411] 3*2048kB 
[  554.308080]  kmem_cache_alloc_node+0xe3/0x730
[  554.312115] (UM) 
[  554.314874]  ? ipv6_get_ifaddr+0x42e/0x620
[  554.319256] 3*4096kB 
[  554.321670]  __alloc_skb+0x119/0x770
[  554.325611] (M) = 25276kB
[  554.327680]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  554.327700]  ? skb_scrub_packet+0x490/0x490
[  554.332162] Node 0 Normal: 
[  554.334581]  ? lock_downgrade+0x900/0x900
[  554.339050] 1058*4kB 
[  554.341115]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  554.345323] (UMEH) 
[  554.347730]  ? refcount_sub_and_test_checked+0x203/0x310
[  554.351425] 417*8kB 
[  554.354187]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  554.359442] (UMEH) 
[  554.363761]  ? addrconf_rs_timer+0x6f0/0x6f0
[  554.366925] 179*16kB (UME) 
[  554.371094]  ndisc_alloc_skb+0x144/0x340
[  554.373463] 63*32kB (UMEH) 
[  554.379008]  ndisc_send_rs+0x331/0x6e0
[  554.381217] 21*64kB (UMH) 
[  554.386673]  addrconf_rs_timer+0x3c0/0x6f0
[  554.388972] 2*128kB (MH) 
[  554.394437]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  554.396650] 0*256kB 
[  554.401066]  call_timer_fn+0x272/0x920
[  554.403962] 0*512kB 0*1024kB 
[  554.408033]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  554.410936] 0*2048kB 0*4096kB 
[  554.414834]  ? process_timeout+0x40/0x40
[  554.417655] = 14048kB
[  554.421888]  ? find_held_lock+0x36/0x1c0
[  554.424632] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  554.428862]  ? __run_timers+0x7da/0xc70
[  554.431160] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  554.435044]  ? _raw_spin_unlock_irq+0x27/0x80
[  554.438127] 164 total pagecache pages
[  554.442390]  ? _raw_spin_unlock_irq+0x27/0x80
[  554.445602] 0 pages in swap cache
[  554.449666]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  554.449684]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  554.452076] Swap cache stats: add 0, delete 0, find 0/0
[  554.456128]  ? trace_hardirqs_on+0xbd/0x310
[  554.464957] Free swap  = 0kB
[  554.464968] Total swap = 0kB
[  554.468941]  ? kasan_check_read+0x11/0x20
[  554.477489] 1965979 pages RAM
[  554.481981]  ? __run_timers+0x7da/0xc70
[  554.485750] 0 pages HighMem/MovableOnly
[  554.485759] 344031 pages reserved
[  554.490259]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  554.493687] 0 pages cma reserved
[  554.498447]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  554.503902] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  554.509096]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  554.513409] syz-executor4 cpuset=
[  554.516430]  __run_timers+0x7e5/0xc70
[  554.519429] syz4
[  554.523577]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  554.526655]  mems_allowed=0
[  554.530626]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  554.588202]  ? graph_lock+0x170/0x170
[  554.592012]  ? enqueue_hrtimer+0x1a5/0x560
[  554.596247]  ? lock_release+0x970/0x970
[  554.600225]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  554.605433]  ? find_held_lock+0x36/0x1c0
[  554.609502]  ? graph_lock+0x170/0x170
[  554.613305]  ? pvclock_read_flags+0x160/0x160
[  554.617804]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  554.623346]  ? check_preemption_disabled+0x48/0x200
[  554.628378]  ? __lock_is_held+0xb5/0x140
[  554.632453]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  554.637992]  ? check_preemption_disabled+0x48/0x200
[  554.643020]  run_timer_softirq+0x52/0xb0
[  554.647088]  ? rcu_read_lock_sched_held+0x108/0x120
[  554.652105]  __do_softirq+0x30b/0xad8
[  554.655919]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  554.661030]  ? pvclock_read_flags+0x160/0x160
[  554.665536]  ? lapic_next_event+0x5a/0x90
[  554.669695]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  554.675234]  ? check_preemption_disabled+0x48/0x200
[  554.680252]  ? check_preemption_disabled+0x48/0x200
[  554.685297]  ? kvm_clock_read+0x18/0x30
[  554.689271]  ? kvm_sched_clock_read+0x9/0x20
[  554.693712]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  554.699250]  ? check_preemption_disabled+0x48/0x200
[  554.704307]  irq_exit+0x17f/0x1c0
[  554.707762]  smp_apic_timer_interrupt+0x1cb/0x760
[  554.712608]  ? smp_reschedule_interrupt+0x109/0x650
[  554.717631]  ? smp_call_function_single_interrupt+0x650/0x650
[  554.723519]  ? interrupt_entry+0xb5/0xf0
[  554.727584]  ? trace_hardirqs_off_caller+0xbb/0x310
[  554.732612]  ? trace_hardirqs_off_caller+0xbb/0x310
[  554.737632]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  554.742519]  ? trace_hardirqs_on_caller+0x310/0x310
[  554.747548]  ? trace_hardirqs_on_caller+0x310/0x310
[  554.752564]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  554.758102]  ? check_preemption_disabled+0x48/0x200
[  554.763124]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  554.768721]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  554.773575]  apic_timer_interrupt+0xf/0x20
[  554.777805]  </IRQ>
[  554.780049] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  554.784983] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  554.803886] RSP: 0000:ffff8801866cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  554.811607] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  554.818885] RDX: 0000000000000000 RSI: ffff8801ce554f00 RDI: 0000000000000286
[  554.826249] RBP: ffff8801866cf7b0 R08: ffff8801ce554680 R09: 0000000000000000
[  554.833522] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  554.841329] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  554.848653]  skb_clone+0x1bb/0x500
[  554.852205]  ? finish_task_switch+0x2f5/0x900
[  554.856704]  ? skb_split+0x11e0/0x11e0
[  554.860600]  ? preempt_notifier_register+0x200/0x200
[  554.865706]  ? __switch_to_asm+0x34/0x70
[  554.869769]  ? __switch_to_asm+0x34/0x70
[  554.873833]  ? __switch_to_asm+0x40/0x70
[  554.877898]  ? __switch_to_asm+0x34/0x70
[  554.881962]  ? __switch_to_asm+0x40/0x70
[  554.886025]  ? __switch_to_asm+0x34/0x70
[  554.890087]  ? __switch_to_asm+0x40/0x70
[  554.894149]  ? __switch_to_asm+0x34/0x70
[  554.898245]  ? __switch_to_asm+0x34/0x70
[  554.902337]  ? __switch_to_asm+0x40/0x70
[  554.906408]  ? __switch_to_asm+0x34/0x70
[  554.910479]  bpf_clone_redirect+0xb9/0x490
[  554.914716]  ? __schedule+0x874/0x1ed0
[  554.918612]  bpf_prog_3d1649e183dc2cc1+0x379/0x1000
[  554.923637]  ? __sched_text_start+0x8/0x8
[  554.927792]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  554.932559]  ? find_held_lock+0x36/0x1c0
[  554.936633]  ? lock_acquire+0x1ed/0x520
[  554.940614]  ? bpf_test_run+0x32e/0x5a0
[  554.944595]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  554.950132]  ? check_preemption_disabled+0x48/0x200
[  554.955158]  ? kasan_check_read+0x11/0x20
[  554.959321]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  554.964601]  ? rcu_bh_qs+0xc0/0xc0
[  554.968144]  ? preempt_schedule+0x4d/0x60
[  554.972299]  ? ___preempt_schedule+0x16/0x18
[  554.976718]  ? bpf_test_run+0x1c0/0x5a0
[  554.980708]  ? netlink_diag_dump+0x2a0/0x2a0
[  554.985145]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  554.990690]  ? bpf_test_init.isra.9+0x70/0x100
[  554.995294]  ? bpf_prog_test_run_skb+0x634/0xb40
[  555.000062]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  555.004914]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  555.010454]  ? fput+0x130/0x1a0
[  555.013737]  ? __bpf_prog_get+0x9b/0x290
[  555.017804]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  555.022647]  ? bpf_prog_test_run+0x130/0x1a0
[  555.027063]  ? __x64_sys_bpf+0x3d8/0x510
[  555.031126]  ? bpf_prog_get+0x20/0x20
[  555.034953]  ? do_syscall_64+0x1b9/0x820
[  555.039018]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  555.044385]  ? syscall_return_slowpath+0x5e0/0x5e0
[  555.049324]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  555.054176]  ? trace_hardirqs_on_caller+0x310/0x310
[  555.059196]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  555.064221]  ? prepare_exit_to_usermode+0x291/0x3b0
[  555.069250]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  555.074106]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  555.079493] CPU: 0 PID: 11399 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  555.079567] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  555.086863] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  555.086872] Call Trace:
[  555.093572] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  555.102700]  <IRQ>
[  555.105271] syz-executor4 cpuset=
[  555.115752]  dump_stack+0x1c4/0x2b4
[  555.117879] syz4
[  555.121330]  ? dump_stack_print_info.cold.2+0x52/0x52
[  555.124934]  mems_allowed=0
[  555.126916]  warn_alloc.cold.119+0xb7/0x1bd
[  555.139317]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  555.144164]  ? lock_downgrade+0x900/0x900
[  555.148322]  ? trace_hardirqs_off+0xb8/0x310
[  555.152742]  ? trace_hardirqs_off+0xb8/0x310
[  555.157160]  __alloc_pages_slowpath+0x2667/0x2d80
[  555.162035]  ? warn_alloc+0x120/0x120
[  555.165849]  ? warn_alloc+0x120/0x120
[  555.169658]  ? print_usage_bug+0xc0/0xc0
[  555.173730]  ? warn_alloc+0x120/0x120
[  555.177536]  ? print_usage_bug+0xc0/0xc0
[  555.181611]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  555.187150]  ? should_fail+0x22d/0xd01
[  555.191045]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  555.196152]  ? __lock_acquire+0x7ec/0x4ec0
[  555.200393]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  555.205514]  ? should_fail+0x22d/0xd01
[  555.209411]  ? mark_held_locks+0x130/0x130
[  555.213665]  ? mark_held_locks+0x130/0x130
[  555.217907]  ? mark_held_locks+0x130/0x130
[  555.222145]  ? print_usage_bug+0xc0/0xc0
[  555.226216]  ? find_held_lock+0x36/0x1c0
[  555.230280]  ? graph_lock+0x170/0x170
[  555.234093]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  555.239631]  ? check_preemption_disabled+0x48/0x200
[  555.244654]  ? check_preemption_disabled+0x48/0x200
[  555.249696]  ? __lock_is_held+0xb5/0x140
[  555.253768]  __alloc_pages_nodemask+0xa80/0xde0
[  555.258440]  ? graph_lock+0x170/0x170
[  555.262246]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  555.267261]  ? graph_lock+0x170/0x170
[  555.271075]  ? find_held_lock+0x36/0x1c0
[  555.275152]  ? ____cache_alloc_node+0x1c7/0x1e0
[  555.279829]  ? lock_downgrade+0x900/0x900
[  555.283991]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  555.289539]  cache_grow_begin+0x91/0x8c0
[  555.293607]  ? do_raw_spin_unlock+0xa7/0x2f0
[  555.298026]  fallback_alloc+0x203/0x2e0
[  555.302009]  ____cache_alloc_node+0x1c7/0x1e0
[  555.306509]  kmem_cache_alloc_node+0xe3/0x730
[  555.311036]  ? mark_held_locks+0xc7/0x130
[  555.315198]  __alloc_skb+0x119/0x770
[  555.318920]  ? skb_scrub_packet+0x490/0x490
[  555.323248]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  555.327841]  ? queue_work_on+0x12c/0x1e0
[  555.331910]  ? switchdev_port_obj_del+0xdc/0x450
[  555.336678]  ? switchdev_trans_item_enqueue+0x260/0x260
[  555.342049]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  555.347080]  __br_mdb_notify+0x4ff/0x15d0
[  555.351254]  ? __br_mdb_add+0x800/0x800
[  555.355243]  ? graph_lock+0x170/0x170
[  555.359056]  ? br_multicast_group_expired+0x96/0x610
[  555.364158]  ? find_held_lock+0x36/0x1c0
[  555.368424]  br_mdb_notify+0x310/0x410
[  555.372315]  ? br_mdb_dump+0x2530/0x2530
[  555.376378]  ? kasan_check_write+0x14/0x20
[  555.380623]  ? do_raw_spin_lock+0xc1/0x200
[  555.384872]  br_multicast_group_expired+0x1bc/0x610
[  555.389895]  ? br_mdb_free+0x80/0x80
[  555.393624]  call_timer_fn+0x272/0x920
[  555.397518]  ? br_mdb_free+0x80/0x80
[  555.401234]  ? process_timeout+0x40/0x40
[  555.405310]  ? find_held_lock+0x36/0x1c0
[  555.409418]  ? __run_timers+0x7da/0xc70
[  555.413414]  ? _raw_spin_unlock_irq+0x27/0x80
[  555.417926]  ? _raw_spin_unlock_irq+0x27/0x80
[  555.422427]  ? br_mdb_free+0x80/0x80
[  555.426145]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  555.430733]  ? trace_hardirqs_on+0xbd/0x310
[  555.435056]  ? kasan_check_read+0x11/0x20
[  555.439204]  ? __run_timers+0x7da/0xc70
[  555.443183]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  555.448641]  ? br_multicast_del_pg+0x790/0x790
[  555.453238]  ? br_mdb_free+0x80/0x80
[  555.456957]  __run_timers+0x7e5/0xc70
[  555.460776]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  555.466145]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  555.471168]  ? graph_lock+0x170/0x170
[  555.474977]  ? enqueue_hrtimer+0x1a5/0x560
[  555.479254]  ? lock_release+0x970/0x970
[  555.483244]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  555.488502]  ? find_held_lock+0x36/0x1c0
[  555.492570]  ? graph_lock+0x170/0x170
[  555.496377]  ? pvclock_read_flags+0x160/0x160
[  555.500915]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  555.506454]  ? check_preemption_disabled+0x48/0x200
[  555.511498]  ? __lock_is_held+0xb5/0x140
[  555.515560]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  555.521100]  ? check_preemption_disabled+0x48/0x200
[  555.526127]  run_timer_softirq+0x52/0xb0
[  555.530205]  ? rcu_read_lock_sched_held+0x108/0x120
[  555.535237]  __do_softirq+0x30b/0xad8
[  555.539049]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  555.544180]  ? pvclock_read_flags+0x160/0x160
[  555.548706]  ? lapic_next_event+0x5a/0x90
[  555.552870]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  555.558419]  ? check_preemption_disabled+0x48/0x200
[  555.563439]  ? check_preemption_disabled+0x48/0x200
[  555.568466]  ? kvm_clock_read+0x18/0x30
[  555.572462]  ? kvm_sched_clock_read+0x9/0x20
[  555.576877]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  555.582427]  ? check_preemption_disabled+0x48/0x200
[  555.587458]  irq_exit+0x17f/0x1c0
[  555.590950]  smp_apic_timer_interrupt+0x1cb/0x760
[  555.595791]  ? smp_reschedule_interrupt+0x109/0x650
[  555.600825]  ? smp_call_function_single_interrupt+0x650/0x650
[  555.606725]  ? interrupt_entry+0xb5/0xf0
[  555.610787]  ? trace_hardirqs_off_caller+0xbb/0x310
[  555.615807]  ? trace_hardirqs_off_caller+0xbb/0x310
[  555.620830]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  555.625688]  ? trace_hardirqs_on_caller+0x310/0x310
[  555.630708]  ? trace_hardirqs_on_caller+0x310/0x310
[  555.635732]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  555.641270]  ? check_preemption_disabled+0x48/0x200
[  555.646306]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  555.651852]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  555.656713]  apic_timer_interrupt+0xf/0x20
[  555.660955]  </IRQ>
[  555.663198] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  555.668131] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  555.687032] RSP: 0000:ffff8801ba62f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  555.694741] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  555.702006] RDX: 0000000000000000 RSI: ffff8801b881aa80 RDI: 0000000000000286
[  555.709277] RBP: ffff8801ba62f7b0 R08: ffff8801b881a200 R09: 0000000000000000
[  555.716545] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  555.723811] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  555.731158]  skb_clone+0x1bb/0x500
[  555.734704]  ? finish_task_switch+0x1b5/0x900
[  555.739202]  ? skb_split+0x11e0/0x11e0
[  555.743122]  ? preempt_notifier_register+0x200/0x200
[  555.748242]  ? __switch_to_asm+0x34/0x70
[  555.752303]  ? __switch_to_asm+0x34/0x70
[  555.756364]  ? __switch_to_asm+0x40/0x70
[  555.760431]  ? __switch_to_asm+0x34/0x70
[  555.764498]  ? __switch_to_asm+0x40/0x70
[  555.768561]  ? __switch_to_asm+0x34/0x70
[  555.772627]  ? __switch_to_asm+0x40/0x70
[  555.776696]  ? __switch_to_asm+0x34/0x70
[  555.780763]  ? __switch_to_asm+0x34/0x70
[  555.784823]  ? __switch_to_asm+0x40/0x70
[  555.788885]  ? __switch_to_asm+0x34/0x70
[  555.792953]  bpf_clone_redirect+0xb9/0x490
[  555.797194]  ? __schedule+0x874/0x1ed0
[  555.801089]  bpf_prog_3d1649e183dc2cc1+0xcce/0x1000
[  555.806114]  ? __sched_text_start+0x8/0x8
[  555.810312]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  555.815076]  ? find_held_lock+0x36/0x1c0
[  555.819175]  ? lock_acquire+0x1ed/0x520
[  555.823202]  ? bpf_test_run+0x32e/0x5a0
[  555.827209]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  555.832769]  ? check_preemption_disabled+0x48/0x200
[  555.837824]  ? kasan_check_read+0x11/0x20
[  555.841974]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  555.847263]  ? rcu_bh_qs+0xc0/0xc0
[  555.850811]  ? preempt_schedule+0x4d/0x60
[  555.854962]  ? ___preempt_schedule+0x16/0x18
[  555.859384]  ? bpf_test_run+0x1c0/0x5a0
[  555.863382]  ? netlink_diag_dump+0x2a0/0x2a0
[  555.867805]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  555.873343]  ? bpf_test_init.isra.9+0x70/0x100
[  555.877937]  ? bpf_prog_test_run_skb+0x634/0xb40
[  555.882705]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  555.887547]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  555.893084]  ? fput+0x130/0x1a0
[  555.896366]  ? __bpf_prog_get+0x9b/0x290
[  555.900440]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  555.905281]  ? bpf_prog_test_run+0x130/0x1a0
[  555.909703]  ? __x64_sys_bpf+0x3d8/0x510
[  555.913765]  ? bpf_prog_get+0x20/0x20
[  555.917588]  ? do_syscall_64+0x1b9/0x820
[  555.921654]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  555.927032]  ? syscall_return_slowpath+0x5e0/0x5e0
[  555.931967]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  555.936815]  ? trace_hardirqs_on_caller+0x310/0x310
[  555.941835]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  555.946856]  ? prepare_exit_to_usermode+0x291/0x3b0
[  555.951882]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  555.956737]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  555.962151] warn_alloc_show_mem: 1 callbacks suppressed
[  555.962170] CPU: 1 PID: 11390 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  555.962172] Mem-Info:
[  555.962204] active_anon:122480 inactive_anon:112 isolated_anon:0
[  555.962204]  active_file:16 inactive_file:5 isolated_file:0
[  555.962204]  unevictable:0 dirty:0 writeback:0 unstable:0
[  555.962204]  slab_reclaimable:9164 slab_unreclaimable:1399977
[  555.962204]  mapped:40962 shmem:118 pagetables:796 bounce:0
[  555.962204]  free:13728 free_pcp:0 free_cma:0
[  555.967541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  555.967550] Call Trace:
[  555.974917] Node 0 active_anon:489920kB inactive_anon:448kB active_file:64kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:472kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 471040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  555.977317]  <IRQ>
[  556.010020] Node 0 
[  556.019383]  dump_stack+0x1c4/0x2b4
[  556.021961] 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
[  556.049455]  ? dump_stack_print_info.cold.2+0x52/0x52
[  556.051573] lowmem_reserve[]: 0
[  556.053834]  warn_alloc.cold.119+0xb7/0x1bd
[  556.057429]  2813
[  556.082945]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  556.088111]  6317
[  556.091396]  ? lock_downgrade+0x900/0x900
[  556.095693]  6317
[  556.097765]  ? trace_hardirqs_off+0xb8/0x310
[  556.104638]  ? trace_hardirqs_off+0xb8/0x310
[  556.108762] Node 0 
[  556.110830]  __alloc_pages_slowpath+0x2667/0x2d80
[  556.115235] DMA32 free:25276kB min:30028kB low:37532kB high:45036kB active_anon:12288kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2884608kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  556.119638]  ? warn_alloc+0x120/0x120
[  556.121822] lowmem_reserve[]:
[  556.126662]  ? trace_hardirqs_on+0x310/0x310
[  556.153530]  0 0
[  556.157340]  ? warn_alloc+0x120/0x120
[  556.160423]  3503
[  556.164827]  ? print_usage_bug+0xc0/0xc0
[  556.166782]  3503
[  556.170580]  ? warn_alloc+0x120/0x120
[  556.176680]  ? ktime_get+0x2e1/0x440
[  556.178723] Node 0 
[  556.182518]  ? print_usage_bug+0xc0/0xc0
[  556.186256] Normal free:13728kB min:37384kB low:46728kB high:56072kB active_anon:477632kB inactive_anon:448kB active_file:64kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3587276kB mlocked:0kB kernel_stack:5408kB pagetables:3184kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  556.188447]  ? __lock_acquire+0x7ec/0x4ec0
[  556.192482] lowmem_reserve[]: 0
[  556.220506]  ? __lock_acquire+0x7ec/0x4ec0
[  556.224712]  0 0
[  556.228002]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  556.232204]  0
[  556.234190]  ? should_fail+0x22d/0xd01
[  556.239698] Node 0 
[  556.241503]  ? __lock_acquire+0x7ec/0x4ec0
[  556.245365] DMA: 1*4kB 
[  556.247611]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  556.251818] (U) 
[  556.254410]  ? __lock_acquire+0x7ec/0x4ec0
[  556.259493] 0*8kB 
[  556.261464]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  556.265677] 0*16kB 
[  556.267822]  ? __lock_acquire+0x7ec/0x4ec0
[  556.272898] 1*32kB (U) 
[  556.275138]  ? should_fail+0x22d/0xd01
[  556.279346] 2*64kB (U) 
[  556.281939]  ? mark_held_locks+0x130/0x130
[  556.285792] 1*128kB (U) 
[  556.288384]  ? mark_held_locks+0x130/0x130
[  556.292592] 1*256kB 
[  556.295262]  ? try_to_wake_up+0x10a/0x12f0
[  556.299474] (U) 
[  556.301794]  ? graph_lock+0x170/0x170
[  556.306005] 0*512kB 
[  556.307974]  ? print_usage_bug+0xc0/0xc0
[  556.311756] 1*1024kB 
[  556.314076]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  556.318109] (U) 
[  556.320516]  ? check_preemption_disabled+0x48/0x200
[  556.326027] 1*2048kB 
[  556.327999]  ? check_preemption_disabled+0x48/0x200
[  556.332991] (M) 
[  556.335408]  ? __lock_is_held+0xb5/0x140
[  556.340386] 3*4096kB (M) 
[  556.342381]  __alloc_pages_nodemask+0xa80/0xde0
[  556.346424] = 15908kB
[  556.349181]  ? graph_lock+0x170/0x170
[  556.353826] Node 0 
[  556.356234]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  556.360028] DMA32: 5*4kB 
[  556.362267]  ? graph_lock+0x170/0x170
[  556.367725] (UM) 1*8kB 
[  556.370502]  ? find_held_lock+0x36/0x1c0
[  556.374270] (U) 
[  556.376851]  ? ____cache_alloc_node+0x1c7/0x1e0
[  556.380885] 4*16kB 
[  556.382860]  ? lock_downgrade+0x900/0x900
[  556.387495] (UM) 3*32kB 
[  556.389740]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  556.393851] (UM) 4*64kB 
[  556.396530]  cache_grow_begin+0x91/0x8c0
[  556.402042] (M) 
[  556.404711]  ? do_raw_spin_unlock+0xa7/0x2f0
[  556.408746] 4*128kB 
[  556.410723]  fallback_alloc+0x203/0x2e0
[  556.415102] (UM) 
[  556.417433]  ____cache_alloc_node+0x1c7/0x1e0
[  556.421381] 3*256kB 
[  556.423451]  kmem_cache_alloc_node+0xe3/0x730
[  556.427917] (M) 4*512kB 
[  556.430251]  ? ipv6_get_ifaddr+0x42e/0x620
[  556.434719] (UM) 
[  556.437395]  __alloc_skb+0x119/0x770
[  556.441607] 3*1024kB 
[  556.443672]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  556.447387] (UM) 
[  556.449810]  ? skb_scrub_packet+0x490/0x490
[  556.455050] 3*2048kB (UM) 
[  556.457120]  ? lock_downgrade+0x900/0x900
[  556.461423] 3*4096kB 
[  556.464271]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  556.468414] (M) 
[  556.470827]  ? refcount_sub_and_test_checked+0x203/0x310
[  556.476338] = 25276kB
[  556.478315]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  556.483741] Node 0 
[  556.486149]  ? addrconf_rs_timer+0x6f0/0x6f0
[  556.491571] Normal: 
[  556.493813]  ndisc_alloc_skb+0x144/0x340
[  556.498621] 1058*4kB 
[  556.500948]  ndisc_send_rs+0x331/0x6e0
[  556.504982] (UMEH) 
[  556.507393]  addrconf_rs_timer+0x3c0/0x6f0
[  556.511260] 417*8kB (UMEH) 
[  556.513508]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  556.517747] 179*16kB (UME) 
[  556.520698]  call_timer_fn+0x272/0x920
[  556.524891] 63*32kB (UMEH) 
[  556.527828]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  556.531684] 21*64kB (UMH) 2*128kB 
[  556.534624]  ? process_timeout+0x40/0x40
[  556.538833] (MH) 
[  556.542370]  ? find_held_lock+0x36/0x1c0
[  556.546415] 0*256kB 
[  556.548481]  ? __run_timers+0x7da/0xc70
[  556.552514] 0*512kB 
[  556.554835]  ? _raw_spin_unlock_irq+0x27/0x80
[  556.558781] 0*1024kB 
[  556.561099]  ? _raw_spin_unlock_irq+0x27/0x80
[  556.565567] 0*2048kB 0*4096kB 
[  556.567980]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  556.572449] = 14048kB
[  556.575635]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  556.579855] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  556.582278]  ? trace_hardirqs_on+0xbd/0x310
[  556.586839] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  556.595664]  ? kasan_check_read+0x11/0x20
[  556.599969] 164 total pagecache pages
[  556.608540]  ? __run_timers+0x7da/0xc70
[  556.612693] 0 pages in swap cache
[  556.616471]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  556.620424] Swap cache stats: add 0, delete 0, find 0/0
[  556.620434] Free swap  = 0kB
[  556.623882]  ? work_on_cpu_safe+0x90/0x90
[  556.629304] Total swap = 0kB
[  556.634665]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  556.637670] 1965979 pages RAM
[  556.641813]  __run_timers+0x7e5/0xc70
[  556.644797] 0 pages HighMem/MovableOnly
[  556.644806] 344031 pages reserved
[  556.649046]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  556.652116] 0 pages cma reserved
[  556.655913]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  556.660019] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  556.663304]  ? graph_lock+0x170/0x170
[  556.668649] syz-executor4 cpuset=
[  556.672014]  ? enqueue_hrtimer+0x1a5/0x560
[  556.677005] syz4
[  556.687484]  ? lock_release+0x970/0x970
[  556.687501]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  556.691284]  mems_allowed=0
[  556.694733]  ? find_held_lock+0x36/0x1c0
[  556.717057]  ? graph_lock+0x170/0x170
[  556.720890]  ? pvclock_read_flags+0x160/0x160
[  556.725386]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  556.730933]  ? check_preemption_disabled+0x48/0x200
[  556.735963]  ? __lock_is_held+0xb5/0x140
[  556.740027]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  556.745567]  ? check_preemption_disabled+0x48/0x200
[  556.750598]  run_timer_softirq+0x52/0xb0
[  556.754664]  ? rcu_read_lock_sched_held+0x108/0x120
[  556.759680]  __do_softirq+0x30b/0xad8
[  556.763513]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  556.768640]  ? pvclock_read_flags+0x160/0x160
[  556.773135]  ? lapic_next_event+0x5a/0x90
[  556.777287]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  556.782838]  ? check_preemption_disabled+0x48/0x200
[  556.787873]  ? check_preemption_disabled+0x48/0x200
[  556.792903]  ? kvm_clock_read+0x18/0x30
[  556.796880]  ? kvm_sched_clock_read+0x9/0x20
[  556.801294]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  556.806836]  ? check_preemption_disabled+0x48/0x200
[  556.811887]  irq_exit+0x17f/0x1c0
[  556.815345]  smp_apic_timer_interrupt+0x1cb/0x760
[  556.820189]  ? smp_reschedule_interrupt+0x109/0x650
[  556.825206]  ? smp_call_function_single_interrupt+0x650/0x650
[  556.831105]  ? interrupt_entry+0xb5/0xf0
[  556.835179]  ? trace_hardirqs_off_caller+0xbb/0x310
[  556.840198]  ? trace_hardirqs_off_caller+0xbb/0x310
[  556.845228]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  556.850078]  ? trace_hardirqs_on_caller+0x310/0x310
[  556.855097]  ? trace_hardirqs_on_caller+0x310/0x310
[  556.860116]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  556.865654]  ? check_preemption_disabled+0x48/0x200
[  556.870672]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  556.876223]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  556.881079]  apic_timer_interrupt+0xf/0x20
[  556.885313]  </IRQ>
[  556.887572] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  556.892504] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  556.911414] RSP: 0000:ffff8801866cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  556.919125] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  556.926393] RDX: 0000000000000000 RSI: ffff8801ce554f00 RDI: 0000000000000286
[  556.933674] RBP: ffff8801866cf7b0 R08: ffff8801ce554680 R09: 0000000000000000
[  556.940941] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  556.948206] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  556.955519]  skb_clone+0x1bb/0x500
[  556.959066]  ? finish_task_switch+0x2f5/0x900
[  556.963570]  ? skb_split+0x11e0/0x11e0
[  556.967468]  ? preempt_notifier_register+0x200/0x200
[  556.972577]  ? __switch_to_asm+0x34/0x70
[  556.976641]  ? __switch_to_asm+0x34/0x70
[  556.980702]  ? __switch_to_asm+0x40/0x70
[  556.984762]  ? __switch_to_asm+0x34/0x70
[  556.988826]  ? __switch_to_asm+0x40/0x70
[  556.992887]  ? __switch_to_asm+0x34/0x70
[  556.996954]  ? __switch_to_asm+0x40/0x70
[  557.001014]  ? __switch_to_asm+0x34/0x70
[  557.005077]  ? __switch_to_asm+0x34/0x70
[  557.009138]  ? __switch_to_asm+0x40/0x70
[  557.013210]  ? __switch_to_asm+0x34/0x70
[  557.017284]  bpf_clone_redirect+0xb9/0x490
[  557.021520]  ? __schedule+0x874/0x1ed0
[  557.025425]  bpf_prog_3d1649e183dc2cc1+0x379/0x1000
[  557.030464]  ? __sched_text_start+0x8/0x8
[  557.034619]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  557.039410]  ? find_held_lock+0x36/0x1c0
[  557.043497]  ? lock_acquire+0x1ed/0x520
[  557.047474]  ? bpf_test_run+0x32e/0x5a0
[  557.051453]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  557.056990]  ? check_preemption_disabled+0x48/0x200
[  557.062012]  ? kasan_check_read+0x11/0x20
[  557.066171]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  557.071449]  ? rcu_bh_qs+0xc0/0xc0
[  557.074995]  ? preempt_schedule+0x4d/0x60
[  557.079146]  ? ___preempt_schedule+0x16/0x18
[  557.083570]  ? bpf_test_run+0x1c0/0x5a0
[  557.087561]  ? netlink_diag_dump+0x2a0/0x2a0
[  557.091975]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  557.097518]  ? bpf_test_init.isra.9+0x70/0x100
[  557.102110]  ? bpf_prog_test_run_skb+0x634/0xb40
[  557.106877]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  557.111718]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  557.117273]  ? fput+0x130/0x1a0
[  557.120556]  ? __bpf_prog_get+0x9b/0x290
[  557.124621]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  557.129467]  ? bpf_prog_test_run+0x130/0x1a0
[  557.133880]  ? __x64_sys_bpf+0x3d8/0x510
[  557.137944]  ? bpf_prog_get+0x20/0x20
[  557.141771]  ? do_syscall_64+0x1b9/0x820
[  557.145833]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  557.151212]  ? syscall_return_slowpath+0x5e0/0x5e0
[  557.156156]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  557.161010]  ? trace_hardirqs_on_caller+0x310/0x310
[  557.166030]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  557.171054]  ? prepare_exit_to_usermode+0x291/0x3b0
[  557.176079]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  557.180935]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  557.186320] CPU: 0 PID: 11399 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  557.186393] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  557.193686] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  557.193691] Call Trace:
[  557.193698]  <IRQ>
[  557.193716]  dump_stack+0x1c4/0x2b4
[  557.193734]  ? dump_stack_print_info.cold.2+0x52/0x52
[  557.193761]  warn_alloc.cold.119+0xb7/0x1bd
[  557.200339] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  557.209613]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  557.212182] syz-executor4 cpuset=
[  557.214336]  ? lock_downgrade+0x900/0x900
[  557.217933] syz4
[  557.223126]  ? trace_hardirqs_off+0xb8/0x310
[  557.227420]  mems_allowed=0
[  557.259595]  ? trace_hardirqs_off+0xb8/0x310
[  557.264041]  __alloc_pages_slowpath+0x2667/0x2d80
[  557.268924]  ? warn_alloc+0x120/0x120
[  557.272729]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  557.277751]  ? warn_alloc+0x120/0x120
[  557.281559]  ? print_usage_bug+0xc0/0xc0
[  557.285622]  ? warn_alloc+0x120/0x120
[  557.289440]  ? print_usage_bug+0xc0/0xc0
[  557.293506]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  557.298715]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  557.304259]  ? should_fail+0x22d/0xd01
[  557.308173]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  557.313297]  ? __lock_acquire+0x7ec/0x4ec0
[  557.317540]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  557.322646]  ? should_fail+0x22d/0xd01
[  557.326551]  ? mark_held_locks+0x130/0x130
[  557.330791]  ? mark_held_locks+0x130/0x130
[  557.335026]  ? print_usage_bug+0xc0/0xc0
[  557.339094]  ? find_held_lock+0x36/0x1c0
[  557.343158]  ? graph_lock+0x170/0x170
[  557.346966]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  557.352506]  ? check_preemption_disabled+0x48/0x200
[  557.357524]  ? check_preemption_disabled+0x48/0x200
[  557.362557]  ? __lock_is_held+0xb5/0x140
[  557.366859]  __alloc_pages_nodemask+0xa80/0xde0
[  557.371530]  ? graph_lock+0x170/0x170
[  557.375340]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  557.380354]  ? graph_lock+0x170/0x170
[  557.384205]  ? find_held_lock+0x36/0x1c0
[  557.388279]  ? ____cache_alloc_node+0x1c7/0x1e0
[  557.392953]  ? lock_downgrade+0x900/0x900
[  557.397113]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  557.402674]  cache_grow_begin+0x91/0x8c0
[  557.406751]  ? do_raw_spin_unlock+0xa7/0x2f0
[  557.411170]  fallback_alloc+0x203/0x2e0
[  557.415157]  ____cache_alloc_node+0x1c7/0x1e0
[  557.419661]  kmem_cache_alloc_node+0xe3/0x730
[  557.424178]  ? mark_held_locks+0xc7/0x130
[  557.428340]  __alloc_skb+0x119/0x770
[  557.432061]  ? skb_scrub_packet+0x490/0x490
[  557.436387]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  557.440990]  ? queue_work_on+0x12c/0x1e0
[  557.445060]  ? switchdev_port_obj_del+0xdc/0x450
[  557.449821]  ? switchdev_trans_item_enqueue+0x260/0x260
[  557.455242]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  557.460268]  __br_mdb_notify+0x4ff/0x15d0
[  557.464437]  ? __br_mdb_add+0x800/0x800
[  557.468420]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  557.473963]  ? check_preemption_disabled+0x48/0x200
[  557.478992]  ? graph_lock+0x170/0x170
[  557.482805]  ? br_multicast_group_expired+0x96/0x610
[  557.487913]  ? lock_downgrade+0x900/0x900
[  557.492073]  br_mdb_notify+0x310/0x410
[  557.495965]  ? br_mdb_dump+0x2530/0x2530
[  557.500036]  ? kasan_check_write+0x14/0x20
[  557.504273]  ? do_raw_spin_lock+0xc1/0x200
[  557.508521]  br_multicast_group_expired+0x1bc/0x610
[  557.513544]  ? br_mdb_free+0x80/0x80
[  557.517276]  call_timer_fn+0x272/0x920
[  557.521167]  ? br_mdb_free+0x80/0x80
[  557.524886]  ? process_timeout+0x40/0x40
[  557.528949]  ? find_held_lock+0x36/0x1c0
[  557.533026]  ? __run_timers+0x7da/0xc70
[  557.537011]  ? _raw_spin_unlock_irq+0x27/0x80
[  557.541512]  ? _raw_spin_unlock_irq+0x27/0x80
[  557.546014]  ? br_mdb_free+0x80/0x80
[  557.549733]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  557.554346]  ? trace_hardirqs_on+0xbd/0x310
[  557.558673]  ? kasan_check_read+0x11/0x20
[  557.562829]  ? __run_timers+0x7da/0xc70
[  557.566815]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  557.572275]  ? br_mdb_free+0x80/0x80
[  557.575996]  ? br_mdb_free+0x80/0x80
[  557.579717]  __run_timers+0x7e5/0xc70
[  557.583535]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  557.588901]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  557.593919]  ? graph_lock+0x170/0x170
[  557.597729]  ? enqueue_hrtimer+0x1a5/0x560
[  557.601966]  ? lock_release+0x970/0x970
[  557.605949]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  557.611148]  ? find_held_lock+0x36/0x1c0
[  557.615221]  ? graph_lock+0x170/0x170
[  557.619032]  ? pvclock_read_flags+0x160/0x160
[  557.623532]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  557.629078]  ? check_preemption_disabled+0x48/0x200
[  557.634113]  ? __lock_is_held+0xb5/0x140
[  557.638183]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  557.643901]  ? check_preemption_disabled+0x48/0x200
[  557.648931]  run_timer_softirq+0x52/0xb0
[  557.652998]  ? rcu_read_lock_sched_held+0x108/0x120
[  557.658016]  __do_softirq+0x30b/0xad8
[  557.661828]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  557.666945]  ? pvclock_read_flags+0x160/0x160
[  557.671443]  ? lapic_next_event+0x5a/0x90
[  557.675592]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  557.681129]  ? check_preemption_disabled+0x48/0x200
[  557.686143]  ? check_preemption_disabled+0x48/0x200
[  557.691171]  ? kvm_clock_read+0x18/0x30
[  557.695147]  ? kvm_sched_clock_read+0x9/0x20
[  557.699562]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  557.705103]  ? check_preemption_disabled+0x48/0x200
[  557.710136]  irq_exit+0x17f/0x1c0
[  557.713599]  smp_apic_timer_interrupt+0x1cb/0x760
[  557.718441]  ? smp_reschedule_interrupt+0x109/0x650
[  557.723459]  ? smp_call_function_single_interrupt+0x650/0x650
[  557.729347]  ? interrupt_entry+0xb5/0xf0
[  557.733423]  ? trace_hardirqs_off_caller+0xbb/0x310
[  557.738441]  ? trace_hardirqs_off_caller+0xbb/0x310
[  557.743462]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  557.748307]  ? trace_hardirqs_on_caller+0x310/0x310
[  557.753325]  ? trace_hardirqs_on_caller+0x310/0x310
[  557.758344]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  557.763884]  ? check_preemption_disabled+0x48/0x200
[  557.768900]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  557.774448]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  557.779304]  apic_timer_interrupt+0xf/0x20
[  557.783532]  </IRQ>
[  557.785775] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  557.790707] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  557.809618] RSP: 0000:ffff8801ba62f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  557.817336] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  557.824607] RDX: 0000000000000000 RSI: ffff8801b881aa80 RDI: 0000000000000286
[  557.831873] RBP: ffff8801ba62f7b0 R08: ffff8801b881a200 R09: 0000000000000000
[  557.839146] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  557.846433] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  557.853755]  skb_clone+0x1bb/0x500
[  557.857301]  ? finish_task_switch+0x1b5/0x900
[  557.861800]  ? skb_split+0x11e0/0x11e0
[  557.865696]  ? preempt_notifier_register+0x200/0x200
[  557.870804]  ? __switch_to_asm+0x34/0x70
[  557.874866]  ? __switch_to_asm+0x34/0x70
[  557.878925]  ? __switch_to_asm+0x40/0x70
[  557.882990]  ? __switch_to_asm+0x34/0x70
[  557.887053]  ? __switch_to_asm+0x40/0x70
[  557.891119]  ? __switch_to_asm+0x34/0x70
[  557.895183]  ? __switch_to_asm+0x40/0x70
[  557.899246]  ? __switch_to_asm+0x34/0x70
[  557.903313]  ? __switch_to_asm+0x34/0x70
[  557.907379]  ? __switch_to_asm+0x40/0x70
[  557.911455]  ? __switch_to_asm+0x34/0x70
[  557.915527]  bpf_clone_redirect+0xb9/0x490
[  557.919768]  ? __schedule+0x874/0x1ed0
[  557.923669]  bpf_prog_3d1649e183dc2cc1+0xcce/0x1000
[  557.928692]  ? __sched_text_start+0x8/0x8
[  557.932847]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  557.937614]  ? find_held_lock+0x36/0x1c0
[  557.941692]  ? lock_acquire+0x1ed/0x520
[  557.945675]  ? bpf_test_run+0x32e/0x5a0
[  557.949655]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  557.955202]  ? check_preemption_disabled+0x48/0x200
[  557.960225]  ? kasan_check_read+0x11/0x20
[  557.964382]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  557.969679]  ? rcu_bh_qs+0xc0/0xc0
[  557.973223]  ? preempt_schedule+0x4d/0x60
[  557.977379]  ? ___preempt_schedule+0x16/0x18
[  557.981809]  ? bpf_test_run+0x1c0/0x5a0
[  557.985807]  ? netlink_diag_dump+0x2a0/0x2a0
[  557.990225]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  557.995770]  ? bpf_test_init.isra.9+0x70/0x100
[  558.000366]  ? bpf_prog_test_run_skb+0x634/0xb40
[  558.005134]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  558.009986]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  558.015529]  ? fput+0x130/0x1a0
[  558.018815]  ? __bpf_prog_get+0x9b/0x290
[  558.022886]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  558.027733]  ? bpf_prog_test_run+0x130/0x1a0
[  558.032150]  ? __x64_sys_bpf+0x3d8/0x510
[  558.036213]  ? bpf_prog_get+0x20/0x20
[  558.040043]  ? do_syscall_64+0x1b9/0x820
[  558.044110]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  558.049477]  ? syscall_return_slowpath+0x5e0/0x5e0
[  558.054493]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  558.059342]  ? trace_hardirqs_on_caller+0x310/0x310
[  558.064363]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  558.069387]  ? prepare_exit_to_usermode+0x291/0x3b0
[  558.074433]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  558.079290]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  558.084687] warn_alloc_show_mem: 1 callbacks suppressed
[  558.084699] CPU: 1 PID: 11390 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  558.084701] Mem-Info:
[  558.084732] active_anon:122480 inactive_anon:112 isolated_anon:0
[  558.084732]  active_file:16 inactive_file:5 isolated_file:0
[  558.084732]  unevictable:0 dirty:0 writeback:0 unstable:0
[  558.084732]  slab_reclaimable:9164 slab_unreclaimable:1399977
[  558.084732]  mapped:40962 shmem:118 pagetables:796 bounce:0
[  558.084732]  free:13728 free_pcp:0 free_cma:0
[  558.090068] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  558.090077] Call Trace:
[  558.097456] Node 0 active_anon:489920kB inactive_anon:448kB active_file:64kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:472kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 471040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  558.099856]  <IRQ>
[  558.132555] Node 0 
[  558.141911]  dump_stack+0x1c4/0x2b4
[  558.144496] 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
[  558.171970]  ? dump_stack_print_info.cold.2+0x52/0x52
[  558.174097] lowmem_reserve[]:
[  558.176345]  warn_alloc.cold.119+0xb7/0x1bd
[  558.179935]  0
[  558.205452]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  558.210614]  2813
[  558.213718]  ? lock_downgrade+0x900/0x900
[  558.218009]  6317 6317
[  558.219823]  ? trace_hardirqs_off+0xb8/0x310
[  558.224639] Node 0 
[  558.226712]  ? trace_hardirqs_off+0xb8/0x310
[  558.230885] DMA32 free:25276kB min:30028kB low:37532kB high:45036kB active_anon:12288kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2884608kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  558.233358]  __alloc_pages_slowpath+0x2667/0x2d80
[  558.237724] lowmem_reserve[]: 0
[  558.239991]  ? warn_alloc+0x120/0x120
[  558.244340]  0 3503
[  558.271265]  ? trace_hardirqs_on+0x310/0x310
[  558.276080]  3503
[  558.279357]  ? warn_alloc+0x120/0x120
[  558.283133] Node 0 
[  558.285370]  ? print_usage_bug+0xc0/0xc0
[  558.289780] Normal free:13728kB min:37384kB low:46728kB high:56072kB active_anon:477632kB inactive_anon:448kB active_file:64kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3587276kB mlocked:0kB kernel_stack:5408kB pagetables:3184kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  558.291814]  ? warn_alloc+0x120/0x120
[  558.295584] lowmem_reserve[]: 0
[  558.297827]  ? ktime_get+0x2e1/0x440
[  558.301856]  0 0
[  558.329886]  ? print_usage_bug+0xc0/0xc0
[  558.333660]  0
[  558.336933]  ? __lock_acquire+0x7ec/0x4ec0
[  558.340620] Node 0 
[  558.342591]  ? __lock_acquire+0x7ec/0x4ec0
[  558.346629] DMA: 
[  558.348437]  ? kasan_check_read+0x11/0x20
[  558.352646] 1*4kB 
[  558.354884]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  558.359090] (U) 
[  558.361154]  ? should_fail+0x22d/0xd01
[  558.365712] 0*8kB 0*16kB 
[  558.367872]  ? rcu_bh_qs+0xc0/0xc0
[  558.373386] 1*32kB 
[  558.375369]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  558.379230] (U) 
[  558.381989]  ? __lock_acquire+0x7ec/0x4ec0
[  558.385496] 2*64kB (U) 
[  558.387740]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  558.392814] 1*128kB (U) 
[  558.394804]  ? __lock_acquire+0x7ec/0x4ec0
[  558.399015] 1*256kB (U) 
[  558.401612]  ? should_fail+0x22d/0xd01
[  558.401631]  ? rcu_idle_enter+0x4b0/0x4b0
[  558.406711] 0*512kB 
[  558.409384]  ? mark_held_locks+0x130/0x130
[  558.413598] 1*1024kB (U) 
[  558.416278]  ? mark_held_locks+0x130/0x130
[  558.420147] 1*2048kB (M) 
[  558.424311]  ? mark_held_locks+0xc7/0x130
[  558.426604] 3*4096kB (M) 
[  558.430849]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  558.433588] = 15908kB
[  558.437839]  ? graph_lock+0x170/0x170
[  558.440571] Node 0 
[  558.444759]  ? print_usage_bug+0xc0/0xc0
[  558.447496] DMA32: 5*4kB 
[  558.452548]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  558.454932] (UM) 
[  558.458724]  ? check_preemption_disabled+0x48/0x200
[  558.460937] 1*8kB 
[  558.465002]  ? check_preemption_disabled+0x48/0x200
[  558.467734] (U) 
[  558.473269]  ? __lock_is_held+0xb5/0x140
[  558.475332] 4*16kB 
[  558.480357]  __alloc_pages_nodemask+0xa80/0xde0
[  558.482481] (UM) 
[  558.487490]  ? graph_lock+0x170/0x170
[  558.489439] 3*32kB (UM) 
[  558.493508]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  558.495722] 4*64kB 
[  558.500881]  ? graph_lock+0x170/0x170
[  558.500907]  ? find_held_lock+0x36/0x1c0
[  558.503629] (M) 
[  558.507435]  ? ____cache_alloc_node+0x1c7/0x1e0
[  558.510070] 4*128kB (UM) 
[  558.515086]  ? lock_downgrade+0x900/0x900
[  558.517312] 3*256kB (M) 
[  558.521117]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  558.525153] 4*512kB 
[  558.527131]  cache_grow_begin+0x91/0x8c0
[  558.531776] (UM) 
[  558.534535]  ? do_raw_spin_unlock+0xa7/0x2f0
[  558.538658] 3*1024kB 
[  558.541334]  fallback_alloc+0x203/0x2e0
[  558.546833] (UM) 3*2048kB 
[  558.549174]  ____cache_alloc_node+0x1c7/0x1e0
[  558.553201] (UM) 
[  558.555265]  kmem_cache_alloc_node+0xe3/0x730
[  558.559647] 3*4096kB 
[  558.562052]  ? ipv6_get_ifaddr+0x42e/0x620
[  558.566001] (M) 
[  558.568848]  __alloc_skb+0x119/0x770
[  558.573307] = 25276kB
[  558.573316] Node 0 
[  558.575378]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  558.579837] Normal: 1058*4kB 
[  558.582262]  ? skb_scrub_packet+0x490/0x490
[  558.586467] (UMEH) 
[  558.588445]  ? lock_downgrade+0x900/0x900
[  558.592126] 417*8kB (UMEH) 
[  558.594546]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  558.596755] 179*16kB 
[  558.602030]  ? refcount_sub_and_test_checked+0x203/0x310
[  558.605111] (UME) 
[  558.609435]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  558.611648] 63*32kB 
[  558.615792]  ? addrconf_rs_timer+0x6f0/0x6f0
[  558.618696] (UMEH) 
[  558.624246]  ndisc_alloc_skb+0x144/0x340
[  558.626617] 21*64kB (UMH) 
[  558.632070]  ndisc_send_rs+0x331/0x6e0
[  558.634202] 2*128kB 
[  558.639651]  addrconf_rs_timer+0x3c0/0x6f0
[  558.641943] (MH) 0*256kB 
[  558.646359]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  558.648571] 0*512kB 
[  558.652635]  call_timer_fn+0x272/0x920
[  558.655449] 0*1024kB 
[  558.659327]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  558.661630] 0*2048kB 
[  558.665861]  ? process_timeout+0x40/0x40
[  558.668587] 0*4096kB = 14048kB
[  558.672828]  ? find_held_lock+0x36/0x1c0
[  558.675136] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  558.679014]  ? __run_timers+0x7da/0xc70
[  558.681413] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  558.685639]  ? _raw_spin_unlock_irq+0x27/0x80
[  558.688023] 164 total pagecache pages
[  558.692083]  ? _raw_spin_unlock_irq+0x27/0x80
[  558.695256] 0 pages in swap cache
[  558.699305]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  558.708121] Swap cache stats: add 0, delete 0, find 0/0
[  558.712086]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  558.720637] Free swap  = 0kB
[  558.725124]  ? trace_hardirqs_on+0xbd/0x310
[  558.728898] Total swap = 0kB
[  558.733386]  ? kasan_check_read+0x11/0x20
[  558.736818] 1965979 pages RAM
[  558.741047]  ? __run_timers+0x7da/0xc70
[  558.746379] 0 pages HighMem/MovableOnly
[  558.746388] 344031 pages reserved
[  558.750976]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  558.753970] 0 pages cma reserved
[  558.754175] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  558.758302]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  558.761297] syz-executor4 cpuset=
[  558.765461]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  558.768540] syz4
[  558.772511]  __run_timers+0x7e5/0xc70
[  558.776465]  mems_allowed=0
[  558.779929]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  558.825114]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  558.830134]  ? graph_lock+0x170/0x170
[  558.833947]  ? enqueue_hrtimer+0x1a5/0x560
[  558.838185]  ? lock_release+0x970/0x970
[  558.842174]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  558.847427]  ? find_held_lock+0x36/0x1c0
[  558.851527]  ? graph_lock+0x170/0x170
[  558.855331]  ? pvclock_read_flags+0x160/0x160
[  558.859828]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  558.865364]  ? check_preemption_disabled+0x48/0x200
[  558.870426]  ? __lock_is_held+0xb5/0x140
[  558.874510]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  558.880045]  ? check_preemption_disabled+0x48/0x200
[  558.885078]  run_timer_softirq+0x52/0xb0
[  558.889143]  ? rcu_read_lock_sched_held+0x108/0x120
[  558.894171]  __do_softirq+0x30b/0xad8
[  558.897984]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  558.903097]  ? pvclock_read_flags+0x160/0x160
[  558.907594]  ? lapic_next_event+0x5a/0x90
[  558.911764]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  558.917306]  ? check_preemption_disabled+0x48/0x200
[  558.922319]  ? check_preemption_disabled+0x48/0x200
[  558.927348]  ? kvm_clock_read+0x18/0x30
[  558.931328]  ? kvm_sched_clock_read+0x9/0x20
[  558.935739]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  558.941281]  ? check_preemption_disabled+0x48/0x200
[  558.946312]  irq_exit+0x17f/0x1c0
[  558.949767]  smp_apic_timer_interrupt+0x1cb/0x760
[  558.954611]  ? smp_reschedule_interrupt+0x109/0x650
[  558.959629]  ? smp_call_function_single_interrupt+0x650/0x650
[  558.965517]  ? interrupt_entry+0xb5/0xf0
[  558.969587]  ? trace_hardirqs_off_caller+0xbb/0x310
[  558.974604]  ? trace_hardirqs_off_caller+0xbb/0x310
[  558.979637]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  558.984486]  ? trace_hardirqs_on_caller+0x310/0x310
[  558.989510]  ? trace_hardirqs_on_caller+0x310/0x310
[  558.994530]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  559.000071]  ? check_preemption_disabled+0x48/0x200
[  559.005089]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  559.010651]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  559.015534]  apic_timer_interrupt+0xf/0x20
[  559.019767]  </IRQ>
[  559.022011] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  559.026946] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  559.045850] RSP: 0000:ffff8801866cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  559.053564] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  559.060834] RDX: 0000000000000000 RSI: ffff8801ce554f00 RDI: 0000000000000286
[  559.068105] RBP: ffff8801866cf7b0 R08: ffff8801ce554680 R09: 0000000000000000
[  559.075369] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  559.082643] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  559.089961]  skb_clone+0x1bb/0x500
[  559.093510]  ? finish_task_switch+0x2f5/0x900
[  559.098009]  ? skb_split+0x11e0/0x11e0
[  559.101902]  ? preempt_notifier_register+0x200/0x200
[  559.107011]  ? __switch_to_asm+0x34/0x70
[  559.111073]  ? __switch_to_asm+0x34/0x70
[  559.115132]  ? __switch_to_asm+0x40/0x70
[  559.119201]  ? __switch_to_asm+0x34/0x70
[  559.123292]  ? __switch_to_asm+0x40/0x70
[  559.127381]  ? __switch_to_asm+0x34/0x70
[  559.131449]  ? __switch_to_asm+0x40/0x70
[  559.135510]  ? __switch_to_asm+0x34/0x70
[  559.139576]  ? __switch_to_asm+0x34/0x70
[  559.143637]  ? __switch_to_asm+0x40/0x70
[  559.147704]  ? __switch_to_asm+0x34/0x70
[  559.151776]  bpf_clone_redirect+0xb9/0x490
[  559.156016]  ? __schedule+0x874/0x1ed0
[  559.159915]  bpf_prog_3d1649e183dc2cc1+0x379/0x1000
[  559.164939]  ? __sched_text_start+0x8/0x8
[  559.169099]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  559.173869]  ? find_held_lock+0x36/0x1c0
[  559.177941]  ? lock_acquire+0x1ed/0x520
[  559.181918]  ? bpf_test_run+0x32e/0x5a0
[  559.185897]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  559.191444]  ? check_preemption_disabled+0x48/0x200
[  559.196471]  ? kasan_check_read+0x11/0x20
[  559.200624]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  559.205903]  ? rcu_bh_qs+0xc0/0xc0
[  559.209450]  ? preempt_schedule+0x4d/0x60
[  559.213606]  ? ___preempt_schedule+0x16/0x18
[  559.218028]  ? bpf_test_run+0x1c0/0x5a0
[  559.222020]  ? netlink_diag_dump+0x2a0/0x2a0
[  559.226449]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  559.231990]  ? bpf_test_init.isra.9+0x70/0x100
[  559.236588]  ? bpf_prog_test_run_skb+0x634/0xb40
[  559.241376]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  559.246227]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  559.251767]  ? fput+0x130/0x1a0
[  559.255054]  ? __bpf_prog_get+0x9b/0x290
[  559.259297]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  559.264139]  ? bpf_prog_test_run+0x130/0x1a0
[  559.268557]  ? __x64_sys_bpf+0x3d8/0x510
[  559.272618]  ? bpf_prog_get+0x20/0x20
[  559.276448]  ? do_syscall_64+0x1b9/0x820
[  559.280513]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  559.285884]  ? syscall_return_slowpath+0x5e0/0x5e0
[  559.290817]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  559.295664]  ? trace_hardirqs_on_caller+0x310/0x310
[  559.300685]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  559.305710]  ? prepare_exit_to_usermode+0x291/0x3b0
[  559.310740]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  559.315600]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  559.320987] CPU: 0 PID: 11399 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  559.321059] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  559.328352] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  559.328357] Call Trace:
[  559.328364]  <IRQ>
[  559.328382]  dump_stack+0x1c4/0x2b4
[  559.328412]  ? dump_stack_print_info.cold.2+0x52/0x52
[  559.334964] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  559.344272]  warn_alloc.cold.119+0xb7/0x1bd
[  559.346825] syz-executor4 cpuset=
[  559.348974]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  559.352575] syz4
[  559.357763]  ? lock_downgrade+0x900/0x900
[  559.368224]  mems_allowed=0
[  559.372544]  ? trace_hardirqs_off+0xb8/0x310
[  559.394294]  ? trace_hardirqs_off+0xb8/0x310
[  559.398718]  __alloc_pages_slowpath+0x2667/0x2d80
[  559.403595]  ? warn_alloc+0x120/0x120
[  559.407416]  ? warn_alloc+0x120/0x120
[  559.411224]  ? print_usage_bug+0xc0/0xc0
[  559.415287]  ? warn_alloc+0x120/0x120
[  559.419091]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  559.424115]  ? print_usage_bug+0xc0/0xc0
[  559.428178]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  559.433737]  ? check_preemption_disabled+0x48/0x200
[  559.438794]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  559.444353]  ? should_fail+0x22d/0xd01
[  559.448248]  ? __lock_acquire+0x7ec/0x4ec0
[  559.452512]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  559.457628]  ? __lock_acquire+0x7ec/0x4ec0
[  559.461869]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  559.466977]  ? __lock_acquire+0x7ec/0x4ec0
[  559.471230]  ? should_fail+0x22d/0xd01
[  559.475133]  ? mark_held_locks+0x130/0x130
[  559.479379]  ? mark_held_locks+0x130/0x130
[  559.483633]  ? try_to_wake_up+0x10a/0x12f0
[  559.487878]  ? graph_lock+0x170/0x170
[  559.491686]  ? print_usage_bug+0xc0/0xc0
[  559.495755]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  559.501294]  ? check_preemption_disabled+0x48/0x200
[  559.506314]  ? check_preemption_disabled+0x48/0x200
[  559.511382]  ? __lock_is_held+0xb5/0x140
[  559.515504]  __alloc_pages_nodemask+0xa80/0xde0
[  559.520188]  ? graph_lock+0x170/0x170
[  559.523995]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  559.529008]  ? graph_lock+0x170/0x170
[  559.532825]  ? find_held_lock+0x36/0x1c0
[  559.536904]  ? ____cache_alloc_node+0x1c7/0x1e0
[  559.541581]  ? lock_downgrade+0x900/0x900
[  559.545741]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  559.551285]  cache_grow_begin+0x91/0x8c0
[  559.555468]  ? do_raw_spin_unlock+0xa7/0x2f0
[  559.559891]  fallback_alloc+0x203/0x2e0
[  559.563876]  ____cache_alloc_node+0x1c7/0x1e0
[  559.568382]  kmem_cache_alloc_node+0xe3/0x730
[  559.572980]  ? ipv6_get_ifaddr+0x42e/0x620
[  559.577290]  __alloc_skb+0x119/0x770
[  559.581032]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  559.586328]  ? skb_scrub_packet+0x490/0x490
[  559.590690]  ? lock_downgrade+0x900/0x900
[  559.594856]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  559.600400]  ? refcount_sub_and_test_checked+0x203/0x310
[  559.605867]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  559.611336]  ? addrconf_rs_timer+0x6f0/0x6f0
[  559.615760]  ndisc_alloc_skb+0x144/0x340
[  559.619828]  ndisc_send_rs+0x331/0x6e0
[  559.623731]  addrconf_rs_timer+0x3c0/0x6f0
[  559.627984]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  559.632280]  call_timer_fn+0x272/0x920
[  559.636178]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  559.640425]  ? process_timeout+0x40/0x40
[  559.644490]  ? find_held_lock+0x36/0x1c0
[  559.648566]  ? __run_timers+0x7da/0xc70
[  559.652551]  ? _raw_spin_unlock_irq+0x27/0x80
[  559.657050]  ? _raw_spin_unlock_irq+0x27/0x80
[  559.661543]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  559.665779]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  559.670369]  ? trace_hardirqs_on+0xbd/0x310
[  559.674698]  ? kasan_check_read+0x11/0x20
[  559.678851]  ? __run_timers+0x7da/0xc70
[  559.682829]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  559.688293]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  559.692528]  __run_timers+0x7e5/0xc70
[  559.696346]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  559.701716]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  559.706740]  ? graph_lock+0x170/0x170
[  559.710583]  ? enqueue_hrtimer+0x1a5/0x560
[  559.714834]  ? lock_release+0x970/0x970
[  559.718816]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  559.724028]  ? find_held_lock+0x36/0x1c0
[  559.728096]  ? graph_lock+0x170/0x170
[  559.731900]  ? pvclock_read_flags+0x160/0x160
[  559.736425]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  559.741969]  ? check_preemption_disabled+0x48/0x200
[  559.747288]  ? __lock_is_held+0xb5/0x140
[  559.751355]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  559.756891]  ? check_preemption_disabled+0x48/0x200
[  559.761920]  run_timer_softirq+0x52/0xb0
[  559.765982]  ? rcu_read_lock_sched_held+0x108/0x120
[  559.771000]  __do_softirq+0x30b/0xad8
[  559.774818]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  559.779932]  ? pvclock_read_flags+0x160/0x160
[  559.784441]  ? lapic_next_event+0x5a/0x90
[  559.788595]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  559.794134]  ? check_preemption_disabled+0x48/0x200
[  559.799152]  ? check_preemption_disabled+0x48/0x200
[  559.804178]  ? kvm_clock_read+0x18/0x30
[  559.808158]  ? kvm_sched_clock_read+0x9/0x20
[  559.812572]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  559.818110]  ? check_preemption_disabled+0x48/0x200
[  559.823140]  irq_exit+0x17f/0x1c0
[  559.826603]  smp_apic_timer_interrupt+0x1cb/0x760
[  559.831449]  ? smp_reschedule_interrupt+0x109/0x650
[  559.836476]  ? smp_call_function_single_interrupt+0x650/0x650
[  559.842377]  ? interrupt_entry+0xb5/0xf0
[  559.846454]  ? trace_hardirqs_off_caller+0xbb/0x310
[  559.851474]  ? trace_hardirqs_off_caller+0xbb/0x310
[  559.856499]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  559.861343]  ? trace_hardirqs_on_caller+0x310/0x310
[  559.866389]  ? trace_hardirqs_on_caller+0x310/0x310
[  559.871432]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  559.876975]  ? check_preemption_disabled+0x48/0x200
[  559.881992]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  559.887541]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  559.892445]  apic_timer_interrupt+0xf/0x20
[  559.896681]  </IRQ>
[  559.898924] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  559.903857] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  559.922758] RSP: 0000:ffff8801ba62f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  559.930470] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  559.937734] RDX: 0000000000000000 RSI: ffff8801b881aa80 RDI: 0000000000000286
[  559.945000] RBP: ffff8801ba62f7b0 R08: ffff8801b881a200 R09: 0000000000000000
[  559.952271] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  559.959539] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  559.966855]  skb_clone+0x1bb/0x500
[  559.970398]  ? finish_task_switch+0x1b5/0x900
[  559.974912]  ? skb_split+0x11e0/0x11e0
[  559.978802]  ? preempt_notifier_register+0x200/0x200
[  559.983911]  ? __switch_to_asm+0x34/0x70
[  559.987977]  ? __switch_to_asm+0x34/0x70
[  559.992041]  ? __switch_to_asm+0x40/0x70
[  559.996195]  ? __switch_to_asm+0x34/0x70
[  560.000259]  ? __switch_to_asm+0x40/0x70
[  560.004350]  ? __switch_to_asm+0x34/0x70
[  560.008424]  ? __switch_to_asm+0x40/0x70
[  560.012488]  ? __switch_to_asm+0x34/0x70
[  560.016555]  ? __switch_to_asm+0x34/0x70
[  560.020623]  ? __switch_to_asm+0x40/0x70
[  560.024687]  ? __switch_to_asm+0x34/0x70
[  560.028760]  bpf_clone_redirect+0xb9/0x490
[  560.033004]  ? __schedule+0x874/0x1ed0
[  560.036900]  bpf_prog_3d1649e183dc2cc1+0xcce/0x1000
[  560.041922]  ? __sched_text_start+0x8/0x8
[  560.046081]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  560.050853]  ? find_held_lock+0x36/0x1c0
[  560.054926]  ? lock_acquire+0x1ed/0x520
[  560.058903]  ? bpf_test_run+0x32e/0x5a0
[  560.062883]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  560.068431]  ? check_preemption_disabled+0x48/0x200
[  560.073453]  ? kasan_check_read+0x11/0x20
[  560.077610]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  560.082889]  ? rcu_bh_qs+0xc0/0xc0
[  560.086445]  ? preempt_schedule+0x4d/0x60
[  560.090611]  ? ___preempt_schedule+0x16/0x18
[  560.095030]  ? bpf_test_run+0x1c0/0x5a0
[  560.099019]  ? netlink_diag_dump+0x2a0/0x2a0
[  560.103442]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  560.108985]  ? bpf_test_init.isra.9+0x70/0x100
[  560.113609]  ? bpf_prog_test_run_skb+0x634/0xb40
[  560.118378]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  560.123230]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  560.128767]  ? fput+0x130/0x1a0
[  560.132052]  ? __bpf_prog_get+0x9b/0x290
[  560.136121]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  560.140964]  ? bpf_prog_test_run+0x130/0x1a0
[  560.145381]  ? __x64_sys_bpf+0x3d8/0x510
[  560.149450]  ? bpf_prog_get+0x20/0x20
[  560.153276]  ? do_syscall_64+0x1b9/0x820
[  560.157342]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  560.162715]  ? syscall_return_slowpath+0x5e0/0x5e0
[  560.167647]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  560.172500]  ? trace_hardirqs_on_caller+0x310/0x310
[  560.177523]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  560.182546]  ? prepare_exit_to_usermode+0x291/0x3b0
[  560.187571]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  560.192436]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  560.197819] warn_alloc_show_mem: 1 callbacks suppressed
[  560.197831] CPU: 1 PID: 11390 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  560.197833] Mem-Info:
[  560.197866] active_anon:122480 inactive_anon:112 isolated_anon:0
[  560.197866]  active_file:16 inactive_file:5 isolated_file:0
[  560.197866]  unevictable:0 dirty:0 writeback:0 unstable:0
[  560.197866]  slab_reclaimable:9164 slab_unreclaimable:1399977
[  560.197866]  mapped:40962 shmem:118 pagetables:796 bounce:0
[  560.197866]  free:13728 free_pcp:0 free_cma:0
[  560.203206] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  560.210576] Node 0 active_anon:489920kB inactive_anon:448kB active_file:64kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:472kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 471040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  560.212974] Call Trace:
[  560.245677] Node 0 
[  560.255036]  <IRQ>
[  560.282571] 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
[  560.285135]  dump_stack+0x1c4/0x2b4
[  560.287336] lowmem_reserve[]: 0
[  560.289499]  ? dump_stack_print_info.cold.2+0x52/0x52
[  560.314976]  2813 6317
[  560.318631]  warn_alloc.cold.119+0xb7/0x1bd
[  560.321861]  6317
[  560.327056]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  560.329530] Node 0 
[  560.333850]  ? lock_downgrade+0x900/0x900
[  560.335916] DMA32 free:25276kB min:30028kB low:37532kB high:45036kB active_anon:12288kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2884608kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  560.340736]  ? trace_hardirqs_off+0xb8/0x310
[  560.342947] lowmem_reserve[]:
[  560.347097]  ? trace_hardirqs_off+0xb8/0x310
[  560.374443]  0 0
[  560.378889]  __alloc_pages_slowpath+0x2667/0x2d80
[  560.381952]  3503 3503
[  560.386416]  ? warn_alloc+0x120/0x120
[  560.388332] Node 0 
[  560.393180]  ? lock_release+0x970/0x970
[  560.395673] Normal free:13728kB min:37384kB low:46728kB high:56072kB active_anon:477632kB inactive_anon:448kB active_file:64kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3587276kB mlocked:0kB kernel_stack:5408kB pagetables:3184kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  560.399447]  ? warn_alloc+0x120/0x120
[  560.401655] lowmem_reserve[]:
[  560.405627]  ? print_usage_bug+0xc0/0xc0
[  560.433630]  0
[  560.437446]  ? warn_alloc+0x120/0x120
[  560.440528]  0 0
[  560.444598]  ? print_usage_bug+0xc0/0xc0
[  560.446368]  0
[  560.450188]  ? __lock_acquire+0x7ec/0x4ec0
[  560.452139] Node 0 
[  560.456198]  ? __lock_acquire+0x7ec/0x4ec0
[  560.457972] DMA: 1*4kB 
[  560.462216]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  560.464431] (U) 
[  560.468659]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  560.471219] 0*8kB 0*16kB 
[  560.476763]  ? should_fail+0x22d/0xd01
[  560.478709] 1*32kB (U) 
[  560.484249]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  560.486980] 2*64kB 
[  560.490861]  ? __lock_acquire+0x7ec/0x4ec0
[  560.493453] (U) 
[  560.498556]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  560.500800] 1*128kB 
[  560.505042]  ? __lock_acquire+0x7ec/0x4ec0
[  560.506999] (U) 
[  560.512095]  ? should_fail+0x22d/0xd01
[  560.514399] 1*256kB 
[  560.518641]  ? mark_held_locks+0x130/0x130
[  560.520590] (U) 
[  560.524471]  ? mark_held_locks+0x130/0x130
[  560.526771] 0*512kB 
[  560.530999]  ? graph_lock+0x170/0x170
[  560.532953] 1*1024kB 
[  560.537183]  ? print_usage_bug+0xc0/0xc0
[  560.539479] (U) 
[  560.543273]  ? graph_lock+0x170/0x170
[  560.545656] 1*2048kB (M) 
[  560.549718]  ? print_usage_bug+0xc0/0xc0
[  560.551673] 3*4096kB 
[  560.555467]  ? wq_watchdog_touch+0x9c/0xfe
[  560.558200] (M) 
[  560.562258]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  560.564644] = 15908kB
[  560.568871]  ? check_preemption_disabled+0x48/0x200
[  560.570822] Node 0 
[  560.576350]  ? check_preemption_disabled+0x48/0x200
[  560.578737] DMA32: 5*4kB 
[  560.583773]  ? __lock_is_held+0xb5/0x140
[  560.585982] (UM) 
[  560.591022]  __alloc_pages_nodemask+0xa80/0xde0
[  560.593754] 1*8kB (U) 
[  560.597824]  ? graph_lock+0x170/0x170
[  560.599866] 4*16kB 
[  560.604530]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  560.607000] (UM) 
[  560.610796]  ? graph_lock+0x170/0x170
[  560.613002] 3*32kB (UM) 
[  560.618028]  ? find_held_lock+0x36/0x1c0
[  560.620063] 4*64kB 
[  560.623866]  ? ____cache_alloc_node+0x1c7/0x1e0
[  560.626506] (M) 
[  560.630561]  ? lock_downgrade+0x900/0x900
[  560.632778] 4*128kB 
[  560.637451]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  560.639401] (UM) 
[  560.643553]  cache_grow_begin+0x91/0x8c0
[  560.645858] 3*256kB 
[  560.651389]  ? do_raw_spin_unlock+0xa7/0x2f0
[  560.653437] (M) 
[  560.657500]  fallback_alloc+0x203/0x2e0
[  560.659796] 4*512kB 
[  560.664206]  ____cache_alloc_node+0x1c7/0x1e0
[  560.666153] (UM) 
[  560.670131]  kmem_cache_alloc_node+0xe3/0x730
[  560.672432] 3*1024kB 
[  560.676922]  ? ipv6_get_ifaddr+0x42e/0x620
[  560.678961] (UM) 
[  560.683461]  __alloc_skb+0x119/0x770
[  560.685844] 3*2048kB 
[  560.690074]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  560.692106] (UM) 
[  560.695819]  ? skb_scrub_packet+0x490/0x490
[  560.698207] 3*4096kB 
[  560.703482]  ? lock_downgrade+0x900/0x900
[  560.705521] (M) 
[  560.709848]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  560.712230] = 25276kB
[  560.716376]  ? refcount_sub_and_test_checked+0x203/0x310
[  560.718325] Node 0 
[  560.723858]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  560.726245] Normal: 
[  560.732096]  ? addrconf_rs_timer+0x6f0/0x6f0
[  560.734316] 1058*4kB 
[  560.739766]  ndisc_alloc_skb+0x144/0x340
[  560.742058] (UMEH) 
[  560.746468]  ndisc_send_rs+0x331/0x6e0
[  560.748860] 417*8kB 
[  560.752918]  addrconf_rs_timer+0x3c0/0x6f0
[  560.755125] (UMEH) 
[  560.759011]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  560.761309] 179*16kB 
[  560.765546]  call_timer_fn+0x272/0x920
[  560.767753] (UME) 
[  560.771985]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  560.774373] 63*32kB 
[  560.778256]  ? process_timeout+0x40/0x40
[  560.780383] (UMEH) 
[  560.784622]  ? find_held_lock+0x36/0x1c0
[  560.786928] 21*64kB 
[  560.790989]  ? __run_timers+0x7da/0xc70
[  560.793199] (UMH) 
[  560.797265]  ? _raw_spin_unlock_irq+0x27/0x80
[  560.799576] 2*128kB (MH) 
[  560.803558]  ? _raw_spin_unlock_irq+0x27/0x80
[  560.805690] 0*256kB 
[  560.810187]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  560.812921] 0*512kB 
[  560.817419]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  560.819708] 0*1024kB 0*2048kB 
[  560.823958]  ? trace_hardirqs_on+0xbd/0x310
[  560.826254] 0*4096kB = 14048kB
[  560.830837]  ? kasan_check_read+0x11/0x20
[  560.830860]  ? __run_timers+0x7da/0xc70
[  560.834054] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  560.838368]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  560.841553] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  560.845692]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  560.849647] 164 total pagecache pages
[  560.858486]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  560.863916] 0 pages in swap cache
[  560.872490]  __run_timers+0x7e5/0xc70
[  560.876703] Swap cache stats: add 0, delete 0, find 0/0
[  560.880510]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  560.884709] Free swap  = 0kB
[  560.888159]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  560.891930] Total swap = 0kB
[  560.897319]  ? graph_lock+0x170/0x170
[  560.902674] 1965979 pages RAM
[  560.905691]  ? enqueue_hrtimer+0x1a5/0x560
[  560.910698] 0 pages HighMem/MovableOnly
[  560.910707] 344031 pages reserved
[  560.913719]  ? lock_release+0x970/0x970
[  560.917494] 0 pages cma reserved
[  560.920597]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  560.924872] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  560.928780]  ? find_held_lock+0x36/0x1c0
[  560.928799]  ? graph_lock+0x170/0x170
[  560.928816]  ? pvclock_read_flags+0x160/0x160
[  560.932311] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  560.936219]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  560.939562] syz-executor4 cpuset=
[  560.944749]  ? check_preemption_disabled+0x48/0x200
[  560.952611] syz4
[  560.956673]  ? __lock_is_held+0xb5/0x140
[  560.960456]  mems_allowed=0
[  560.964946]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  561.004844]  ? check_preemption_disabled+0x48/0x200
[  561.009876]  run_timer_softirq+0x52/0xb0
[  561.013944]  ? rcu_read_lock_sched_held+0x108/0x120
[  561.018962]  __do_softirq+0x30b/0xad8
[  561.022780]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  561.027893]  ? pvclock_read_flags+0x160/0x160
[  561.032389]  ? lapic_next_event+0x5a/0x90
[  561.036547]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  561.042084]  ? check_preemption_disabled+0x48/0x200
[  561.047099]  ? check_preemption_disabled+0x48/0x200
[  561.052127]  ? kvm_clock_read+0x18/0x30
[  561.056102]  ? kvm_sched_clock_read+0x9/0x20
[  561.060515]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  561.066057]  ? check_preemption_disabled+0x48/0x200
[  561.071089]  irq_exit+0x17f/0x1c0
[  561.074632]  smp_apic_timer_interrupt+0x1cb/0x760
[  561.079476]  ? smp_reschedule_interrupt+0x109/0x650
[  561.084494]  ? smp_call_function_single_interrupt+0x650/0x650
[  561.090419]  ? interrupt_entry+0xb5/0xf0
[  561.094489]  ? trace_hardirqs_off_caller+0xbb/0x310
[  561.099507]  ? trace_hardirqs_off_caller+0xbb/0x310
[  561.104528]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  561.109374]  ? trace_hardirqs_on_caller+0x310/0x310
[  561.114397]  ? trace_hardirqs_on_caller+0x310/0x310
[  561.119434]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  561.124974]  ? check_preemption_disabled+0x48/0x200
[  561.129990]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  561.135542]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  561.140394]  apic_timer_interrupt+0xf/0x20
[  561.144633]  </IRQ>
[  561.146873] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  561.151806] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  561.170705] RSP: 0000:ffff8801866cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  561.178423] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  561.185696] RDX: 0000000000000000 RSI: ffff8801ce554f00 RDI: 0000000000000286
[  561.192964] RBP: ffff8801866cf7b0 R08: ffff8801ce554680 R09: 0000000000000000
[  561.200238] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  561.207509] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  561.214830]  skb_clone+0x1bb/0x500
[  561.218382]  ? finish_task_switch+0x2f5/0x900
[  561.222897]  ? skb_split+0x11e0/0x11e0
[  561.226792]  ? preempt_notifier_register+0x200/0x200
[  561.232510]  ? __switch_to_asm+0x34/0x70
[  561.236578]  ? __switch_to_asm+0x34/0x70
[  561.240641]  ? __switch_to_asm+0x40/0x70
[  561.245228]  ? __switch_to_asm+0x34/0x70
[  561.250429]  ? __switch_to_asm+0x40/0x70
[  561.255888]  ? __switch_to_asm+0x34/0x70
[  561.260225]  ? __switch_to_asm+0x40/0x70
[  561.264345]  ? __switch_to_asm+0x34/0x70
[  561.268478]  ? __switch_to_asm+0x34/0x70
[  561.272538]  ? __switch_to_asm+0x40/0x70
[  561.276606]  ? __switch_to_asm+0x34/0x70
[  561.280677]  bpf_clone_redirect+0xb9/0x490
[  561.284915]  ? __schedule+0x874/0x1ed0
[  561.288814]  bpf_prog_3d1649e183dc2cc1+0x379/0x1000
[  561.293851]  ? __sched_text_start+0x8/0x8
[  561.299382]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  561.305756]  ? find_held_lock+0x36/0x1c0
[  561.310697]  ? lock_acquire+0x1ed/0x520
[  561.314674]  ? bpf_test_run+0x32e/0x5a0
[  561.318654]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  561.324251]  ? check_preemption_disabled+0x48/0x200
[  561.329271]  ? kasan_check_read+0x11/0x20
[  561.333456]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  561.338738]  ? rcu_bh_qs+0xc0/0xc0
[  561.342284]  ? preempt_schedule+0x4d/0x60
[  561.346475]  ? ___preempt_schedule+0x16/0x18
[  561.350908]  ? bpf_test_run+0x1c0/0x5a0
[  561.354899]  ? netlink_diag_dump+0x2a0/0x2a0
[  561.359311]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  561.364867]  ? bpf_test_init.isra.9+0x70/0x100
[  561.369460]  ? bpf_prog_test_run_skb+0x634/0xb40
[  561.374226]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  561.379072]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  561.384611]  ? fput+0x130/0x1a0
[  561.387897]  ? __bpf_prog_get+0x9b/0x290
[  561.393010]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  561.399154]  ? bpf_prog_test_run+0x130/0x1a0
[  561.404701]  ? __x64_sys_bpf+0x3d8/0x510
[  561.408772]  ? bpf_prog_get+0x20/0x20
[  561.412610]  ? do_syscall_64+0x1b9/0x820
[  561.416680]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  561.422049]  ? syscall_return_slowpath+0x5e0/0x5e0
[  561.426985]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  561.431838]  ? trace_hardirqs_on_caller+0x310/0x310
[  561.436858]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  561.441884]  ? prepare_exit_to_usermode+0x291/0x3b0
[  561.446911]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  561.451766]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  561.457154] CPU: 0 PID: 11399 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  561.457281] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  561.464529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  561.464538] Call Trace:
[  561.471111] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  561.480375]  <IRQ>
[  561.482967] syz-executor4 cpuset=
[  561.493448]  dump_stack+0x1c4/0x2b4
[  561.495576] syz4
[  561.499023]  ? dump_stack_print_info.cold.2+0x52/0x52
[  561.502626]  mems_allowed=0
[  561.504604]  warn_alloc.cold.119+0xb7/0x1bd
[  561.516996]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  561.521845]  ? lock_downgrade+0x900/0x900
[  561.526003]  ? trace_hardirqs_off+0xb8/0x310
[  561.530441]  ? trace_hardirqs_off+0xb8/0x310
[  561.534861]  __alloc_pages_slowpath+0x2667/0x2d80
[  561.539737]  ? warn_alloc+0x120/0x120
[  561.543561]  ? warn_alloc+0x120/0x120
[  561.547390]  ? print_usage_bug+0xc0/0xc0
[  561.551467]  ? warn_alloc+0x120/0x120
[  561.555283]  ? print_usage_bug+0xc0/0xc0
[  561.559351]  ? __lock_acquire+0x7ec/0x4ec0
[  561.563623]  ? __lock_acquire+0x7ec/0x4ec0
[  561.567863]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  561.573411]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  561.578958]  ? should_fail+0x22d/0xd01
[  561.582856]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  561.587959]  ? __lock_acquire+0x7ec/0x4ec0
[  561.592203]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  561.597309]  ? __lock_acquire+0x7ec/0x4ec0
[  561.601542]  ? should_fail+0x22d/0xd01
[  561.605470]  ? mark_held_locks+0x130/0x130
[  561.609711]  ? mark_held_locks+0x130/0x130
[  561.613963]  ? graph_lock+0x170/0x170
[  561.617769]  ? print_usage_bug+0xc0/0xc0
[  561.621832]  ? graph_lock+0x170/0x170
[  561.625641]  ? print_usage_bug+0xc0/0xc0
[  561.629712]  ? wq_watchdog_touch+0x9c/0xfe
[  561.633953]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  561.639496]  ? check_preemption_disabled+0x48/0x200
[  561.644517]  ? check_preemption_disabled+0x48/0x200
[  561.649554]  ? __lock_is_held+0xb5/0x140
[  561.653630]  __alloc_pages_nodemask+0xa80/0xde0
[  561.658306]  ? graph_lock+0x170/0x170
[  561.662114]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  561.667134]  ? graph_lock+0x170/0x170
[  561.670949]  ? find_held_lock+0x36/0x1c0
[  561.675028]  ? ____cache_alloc_node+0x1c7/0x1e0
[  561.679704]  ? lock_downgrade+0x900/0x900
[  561.683865]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  561.689475]  cache_grow_begin+0x91/0x8c0
[  561.693548]  ? do_raw_spin_unlock+0xa7/0x2f0
[  561.697978]  fallback_alloc+0x203/0x2e0
[  561.701965]  ____cache_alloc_node+0x1c7/0x1e0
[  561.706490]  kmem_cache_alloc_node+0xe3/0x730
[  561.710994]  ? ipv6_get_ifaddr+0x42e/0x620
[  561.715253]  __alloc_skb+0x119/0x770
[  561.718976]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  561.724269]  ? skb_scrub_packet+0x490/0x490
[  561.728595]  ? lock_downgrade+0x900/0x900
[  561.732759]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  561.738302]  ? refcount_sub_and_test_checked+0x203/0x310
[  561.743760]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  561.749224]  ? addrconf_rs_timer+0x6f0/0x6f0
[  561.753663]  ndisc_alloc_skb+0x144/0x340
[  561.757735]  ndisc_send_rs+0x331/0x6e0
[  561.761629]  addrconf_rs_timer+0x3c0/0x6f0
[  561.765870]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  561.770120]  call_timer_fn+0x272/0x920
[  561.774008]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  561.778246]  ? process_timeout+0x40/0x40
[  561.782308]  ? find_held_lock+0x36/0x1c0
[  561.786380]  ? __run_timers+0x7da/0xc70
[  561.790373]  ? _raw_spin_unlock_irq+0x27/0x80
[  561.794888]  ? _raw_spin_unlock_irq+0x27/0x80
[  561.799382]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  561.803632]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  561.808226]  ? trace_hardirqs_on+0xbd/0x310
[  561.812545]  ? kasan_check_read+0x11/0x20
[  561.816703]  ? __run_timers+0x7da/0xc70
[  561.820691]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  561.826148]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  561.830396]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  561.834683]  __run_timers+0x7e5/0xc70
[  561.838514]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  561.843880]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  561.848903]  ? graph_lock+0x170/0x170
[  561.852712]  ? enqueue_hrtimer+0x1a5/0x560
[  561.856945]  ? lock_release+0x970/0x970
[  561.860921]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  561.866120]  ? find_held_lock+0x36/0x1c0
[  561.870204]  ? graph_lock+0x170/0x170
[  561.874024]  ? pvclock_read_flags+0x160/0x160
[  561.878528]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  561.884072]  ? check_preemption_disabled+0x48/0x200
[  561.889101]  ? __lock_is_held+0xb5/0x140
[  561.893183]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  561.898720]  ? check_preemption_disabled+0x48/0x200
[  561.903749]  run_timer_softirq+0x52/0xb0
[  561.907816]  ? rcu_read_lock_sched_held+0x108/0x120
[  561.912834]  __do_softirq+0x30b/0xad8
[  561.916646]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  561.921763]  ? pvclock_read_flags+0x160/0x160
[  561.926261]  ? lapic_next_event+0x5a/0x90
[  561.930438]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  561.935983]  ? check_preemption_disabled+0x48/0x200
[  561.940996]  ? check_preemption_disabled+0x48/0x200
[  561.946019]  ? kvm_clock_read+0x18/0x30
[  561.950007]  ? kvm_sched_clock_read+0x9/0x20
[  561.954425]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  561.959965]  ? check_preemption_disabled+0x48/0x200
[  561.964996]  irq_exit+0x17f/0x1c0
[  561.968455]  smp_apic_timer_interrupt+0x1cb/0x760
[  561.973312]  ? smp_reschedule_interrupt+0x109/0x650
[  561.978374]  ? smp_call_function_single_interrupt+0x650/0x650
[  561.984285]  ? interrupt_entry+0xb5/0xf0
[  561.988382]  ? trace_hardirqs_off_caller+0xbb/0x310
[  561.993415]  ? trace_hardirqs_off_caller+0xbb/0x310
[  561.998442]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  562.003289]  ? trace_hardirqs_on_caller+0x310/0x310
[  562.008321]  ? trace_hardirqs_on_caller+0x310/0x310
[  562.013340]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  562.018897]  ? check_preemption_disabled+0x48/0x200
[  562.023921]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  562.029475]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  562.034363]  apic_timer_interrupt+0xf/0x20
[  562.038594]  </IRQ>
[  562.040839] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  562.045787] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  562.066867] RSP: 0000:ffff8801ba62f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  562.074582] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  562.081856] RDX: 0000000000000000 RSI: ffff8801b881aa80 RDI: 0000000000000286
[  562.089124] RBP: ffff8801ba62f7b0 R08: ffff8801b881a200 R09: 0000000000000000
[  562.096392] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  562.103933] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  562.113370]  skb_clone+0x1bb/0x500
[  562.117553]  ? finish_task_switch+0x1b5/0x900
[  562.122050]  ? skb_split+0x11e0/0x11e0
[  562.126207]  ? preempt_notifier_register+0x200/0x200
[  562.131575]  ? __switch_to_asm+0x34/0x70
[  562.135643]  ? __switch_to_asm+0x34/0x70
[  562.140228]  ? __switch_to_asm+0x40/0x70
[  562.145425]  ? __switch_to_asm+0x34/0x70
[  562.150895]  ? __switch_to_asm+0x40/0x70
[  562.156262]  ? __switch_to_asm+0x34/0x70
[  562.161366]  ? __switch_to_asm+0x40/0x70
[  562.166768]  ? __switch_to_asm+0x34/0x70
[  562.172137]  ? __switch_to_asm+0x34/0x70
[  562.177433]  ? __switch_to_asm+0x40/0x70
[  562.182808]  ? __switch_to_asm+0x34/0x70
[  562.188266]  bpf_clone_redirect+0xb9/0x490
[  562.193891]  ? __schedule+0x874/0x1ed0
[  562.198659]  bpf_prog_3d1649e183dc2cc1+0xcce/0x1000
[  562.203692]  ? __sched_text_start+0x8/0x8
[  562.207853]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  562.212624]  ? find_held_lock+0x36/0x1c0
[  562.216705]  ? lock_acquire+0x1ed/0x520
[  562.220705]  ? bpf_test_run+0x32e/0x5a0
[  562.224698]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  562.230248]  ? check_preemption_disabled+0x48/0x200
[  562.235274]  ? kasan_check_read+0x11/0x20
[  562.239446]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  562.244729]  ? rcu_bh_qs+0xc0/0xc0
[  562.248274]  ? preempt_schedule+0x4d/0x60
[  562.252435]  ? ___preempt_schedule+0x16/0x18
[  562.256874]  ? bpf_test_run+0x1c0/0x5a0
[  562.260875]  ? netlink_diag_dump+0x2a0/0x2a0
[  562.265288]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  562.270825]  ? bpf_test_init.isra.9+0x70/0x100
[  562.275427]  ? bpf_prog_test_run_skb+0x634/0xb40
[  562.280223]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  562.285063]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  562.290599]  ? fput+0x130/0x1a0
[  562.293881]  ? __bpf_prog_get+0x9b/0x290
[  562.297947]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  562.302792]  ? bpf_prog_test_run+0x130/0x1a0
[  562.307207]  ? __x64_sys_bpf+0x3d8/0x510
[  562.311267]  ? bpf_prog_get+0x20/0x20
[  562.315090]  ? do_syscall_64+0x1b9/0x820
[  562.319159]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  562.324533]  ? syscall_return_slowpath+0x5e0/0x5e0
[  562.329463]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  562.334308]  ? trace_hardirqs_on_caller+0x310/0x310
[  562.339332]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  562.344350]  ? prepare_exit_to_usermode+0x291/0x3b0
[  562.349455]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  562.354359]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  562.359766] warn_alloc_show_mem: 1 callbacks suppressed
[  562.359794] CPU: 1 PID: 11390 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  562.359796] Mem-Info:
[  562.359828] active_anon:122480 inactive_anon:112 isolated_anon:0
[  562.359828]  active_file:16 inactive_file:5 isolated_file:0
[  562.359828]  unevictable:0 dirty:0 writeback:0 unstable:0
[  562.359828]  slab_reclaimable:9164 slab_unreclaimable:1399977
[  562.359828]  mapped:40962 shmem:118 pagetables:796 bounce:0
[  562.359828]  free:13728 free_pcp:0 free_cma:0
[  562.365164] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  562.372783] Node 0 active_anon:489920kB inactive_anon:448kB active_file:64kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:472kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 471040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  562.375179] Call Trace:
[  562.407879] Node 0 
[  562.417225]  <IRQ>
[  562.444744] 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
[  562.447311]  dump_stack+0x1c4/0x2b4
[  562.449514] lowmem_reserve[]: 0
[  562.451673]  ? dump_stack_print_info.cold.2+0x52/0x52
[  562.477175]  2813 6317
[  562.480832]  warn_alloc.cold.119+0xb7/0x1bd
[  562.484081]  6317
[  562.489284]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  562.496075]  ? lock_downgrade+0x900/0x900
[  562.498303] Node 0 
[  562.503138]  ? trace_hardirqs_off+0xb8/0x310
[  562.503151]  ? trace_hardirqs_off+0xb8/0x310
[  562.503164]  __alloc_pages_slowpath+0x2667/0x2d80
[  562.503193]  ? warn_alloc+0x120/0x120
[  562.503202]  ? trace_hardirqs_on+0x310/0x310
[  562.503212]  ? warn_alloc+0x120/0x120
[  562.503221]  ? print_usage_bug+0xc0/0xc0
[  562.503229]  ? warn_alloc+0x120/0x120
[  562.503237]  ? ktime_get+0x2e1/0x440
[  562.503245]  ? print_usage_bug+0xc0/0xc0
[  562.503255]  ? __lock_acquire+0x7ec/0x4ec0
[  562.503262]  ? __lock_acquire+0x7ec/0x4ec0
[  562.503270]  ? kasan_check_read+0x11/0x20
[  562.503280]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  562.503290]  ? should_fail+0x22d/0xd01
[  562.503300]  ? rcu_bh_qs+0xc0/0xc0
[  562.503309]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  562.503318]  ? __lock_acquire+0x7ec/0x4ec0
[  562.503328]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  562.503335]  ? __lock_acquire+0x7ec/0x4ec0
[  562.503343]  ? should_fail+0x22d/0xd01
[  562.503351]  ? rcu_idle_enter+0x4b0/0x4b0
[  562.503363]  ? mark_held_locks+0x130/0x130
[  562.503373]  ? mark_held_locks+0x130/0x130
[  562.503384]  ? mark_held_locks+0xc7/0x130
[  562.503393]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  562.503400]  ? graph_lock+0x170/0x170
[  562.503421]  ? print_usage_bug+0xc0/0xc0
[  562.503438]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  562.507595] DMA32 free:25276kB min:30028kB low:37532kB high:45036kB active_anon:12288kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2884608kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  562.509803]  ? check_preemption_disabled+0x48/0x200
[  562.514179] lowmem_reserve[]: 0
[  562.518593]  ? check_preemption_disabled+0x48/0x200
[  562.523421]  0
[  562.527225]  ? __lock_is_held+0xb5/0x140
[  562.531602]  3503
[  562.535403]  __alloc_pages_nodemask+0xa80/0xde0
[  562.539463]  3503
[  562.543265]  ? graph_lock+0x170/0x170
[  562.551021]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  562.555236] Node 0 
[  562.559461]  ? graph_lock+0x170/0x170
[  562.559487]  ? find_held_lock+0x36/0x1c0
[  562.563635] Normal free:13728kB min:37384kB low:46728kB high:56072kB active_anon:477632kB inactive_anon:448kB active_file:64kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3587276kB mlocked:0kB kernel_stack:5408kB pagetables:3184kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  562.569144]  ? ____cache_alloc_node+0x1c7/0x1e0
[  562.572999] lowmem_reserve[]: 0
[  562.576552]  ? lock_downgrade+0x900/0x900
[  562.581643]  0 0
[  562.585889]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  562.590959]  0
[  562.595196]  cache_grow_begin+0x91/0x8c0
[  562.603207]  ? do_raw_spin_unlock+0xa7/0x2f0
[  562.607423] Node 0 
[  562.611662]  fallback_alloc+0x203/0x2e0
[  562.615782] DMA: 
[  562.620796]  ____cache_alloc_node+0x1c7/0x1e0
[  562.624567] 1*4kB 
[  562.628627]  kmem_cache_alloc_node+0xe3/0x730
[  562.634176] (U) 
[  562.661078]  ? ipv6_get_ifaddr+0x42e/0x620
[  562.666067] 0*8kB 
[  562.669352]  __alloc_skb+0x119/0x770
[  562.674335] 0*16kB 
[  562.676150]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  562.680197] 1*32kB 
[  562.682258]  ? skb_scrub_packet+0x490/0x490
[  562.686901] (U) 
[  562.688964]  ? lock_downgrade+0x900/0x900
[  562.692743] 2*64kB 
[  562.697761]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  562.699973] (U) 
[  562.703773]  ? refcount_sub_and_test_checked+0x203/0x310
[  562.707807] 1*128kB 
[  562.735824]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  562.740464] (U) 
[  562.743740]  ? addrconf_rs_timer+0x6f0/0x6f0
[  562.747862] 1*256kB 
[  562.749840]  ndisc_alloc_skb+0x144/0x340
[  562.755348] (U) 
[  562.757150]  ndisc_send_rs+0x331/0x6e0
[  562.761189] 0*512kB 
[  562.765596]  addrconf_rs_timer+0x3c0/0x6f0
[  562.767802] 1*1024kB (U) 
[  562.771780]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  562.773815] 1*2048kB (M) 
[  562.778321]  call_timer_fn+0x272/0x920
[  562.780437] 3*4096kB 
[  562.784924]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  562.786872] (M) = 15908kB
[  562.791115]  ? process_timeout+0x40/0x40
[  562.793240] Node 0 
[  562.796949]  ? find_held_lock+0x36/0x1c0
[  562.799153] DMA32: 5*4kB 
[  562.804446]  ? __run_timers+0x7da/0xc70
[  562.806658] (UM) 
[  562.810989]  ? _raw_spin_unlock_irq+0x27/0x80
[  562.812941] 1*8kB 
[  562.817088]  ? _raw_spin_unlock_irq+0x27/0x80
[  562.819296] (U) 
[  562.824830]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  562.826870] 4*16kB 
[  562.833619]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  562.833641]  ? trace_hardirqs_on+0xbd/0x310
[  562.835945] (UM) 
[  562.841391]  ? kasan_check_read+0x11/0x20
[  562.843354] 3*32kB 
[  562.847758]  ? __run_timers+0x7da/0xc70
[  562.850051] (UM) 
[  562.854114]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  562.856066] 4*64kB 
[  562.859947]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  562.862247] (M) 
[  562.866476]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  562.869234] 4*128kB 
[  562.873510]  __run_timers+0x7e5/0xc70
[  562.876259] (UM) 
[  562.880202]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  562.882588] 3*256kB (M) 
[  562.886832]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  562.889568] 4*512kB 
[  562.893624]  ? graph_lock+0x170/0x170
[  562.895838] (UM) 
[  562.899893]  ? enqueue_hrtimer+0x1a5/0x560
[  562.902622] 3*1024kB (UM) 
[  562.906600]  ? lock_release+0x970/0x970
[  562.908643] 3*2048kB 
[  562.913134]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  562.915265] (UM) 
[  562.919762]  ? find_held_lock+0x36/0x1c0
[  562.921712] 3*4096kB 
[  562.925942]  ? graph_lock+0x170/0x170
[  562.928194] (M) 
[  562.932789]  ? pvclock_read_flags+0x160/0x160
[  562.937133] = 25276kB
[  562.939260]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  562.943385] Node 0 
[  562.945626]  ? check_preemption_disabled+0x48/0x200
[  562.949579] Normal: 
[  562.951652]  ? __lock_is_held+0xb5/0x140
[  562.957076] 1058*4kB 
[  562.959308]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  562.963521] (UMEH) 
[  562.965497]  ? check_preemption_disabled+0x48/0x200
[  562.969708] 417*8kB 
[  562.972033]  run_timer_softirq+0x52/0xb0
[  562.975803] (UMEH) 
[  562.977862]  ? rcu_read_lock_sched_held+0x108/0x120
[  562.983234] 179*16kB 
[  562.985915]  __do_softirq+0x30b/0xad8
[  562.991698] (UME) 
[  562.994022]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  562.997797] 63*32kB 
[  562.999862]  ? pvclock_read_flags+0x160/0x160
[  563.004080] (UMEH) 
[  563.007449]  ? lapic_next_event+0x5a/0x90
[  563.011417] 21*64kB (UMH) 
[  563.013837]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  563.018997] 2*128kB (MH) 
[  563.021072]  ? check_preemption_disabled+0x48/0x200
[  563.025111] 0*256kB 
[  563.027515]  ? check_preemption_disabled+0x48/0x200
[  563.031294] 0*512kB 
[  563.033284]  ? kvm_clock_read+0x18/0x30
[  563.038193] 0*1024kB 
[  563.040604]  ? kvm_sched_clock_read+0x9/0x20
[  563.046131] 0*2048kB 0*4096kB 
[  563.048382]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  563.053372] = 14048kB
[  563.055694]  ? check_preemption_disabled+0x48/0x200
[  563.059754] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  563.062162]  irq_exit+0x17f/0x1c0
[  563.067680] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  563.069906]  smp_apic_timer_interrupt+0x1cb/0x760
[  563.074898] 164 total pagecache pages
[  563.077916]  ? smp_reschedule_interrupt+0x109/0x650
[  563.081957] 0 pages in swap cache
[  563.084193]  ? smp_call_function_single_interrupt+0x650/0x650
[  563.089206] Swap cache stats: add 0, delete 0, find 0/0
[  563.091612]  ? interrupt_entry+0xb5/0xf0
[  563.095390] Free swap  = 0kB
[  563.097547]  ? trace_hardirqs_off_caller+0xbb/0x310
[  563.102628] Total swap = 0kB
[  563.104946]  ? trace_hardirqs_off_caller+0xbb/0x310
[  563.109435] 1965979 pages RAM
[  563.111673]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  563.115886] 0 pages HighMem/MovableOnly
[  563.118727]  ? trace_hardirqs_on_caller+0x310/0x310
[  563.124236] 344031 pages reserved
[  563.124245] 0 pages cma reserved
[  563.126999]  ? trace_hardirqs_on_caller+0x310/0x310
[  563.132059] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  563.134316]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  563.139403] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  563.141633]  ? check_preemption_disabled+0x48/0x200
[  563.145588] syz-executor4 cpuset=
[  563.147991]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  563.148014]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  563.152392] syz4
[  563.155592]  apic_timer_interrupt+0xf/0x20
[  563.162955]  mems_allowed=0
[  563.324093]  </IRQ>
[  563.326343] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  563.331279] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  563.350355] RSP: 0000:ffff8801866cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  563.358355] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  563.365740] RDX: 0000000000000000 RSI: ffff8801ce554f00 RDI: 0000000000000286
[  563.373010] RBP: ffff8801866cf7b0 R08: ffff8801ce554680 R09: 0000000000000000
[  563.380279] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  563.387546] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  563.395124]  skb_clone+0x1bb/0x500
[  563.398930]  ? finish_task_switch+0x2f5/0x900
[  563.403437]  ? skb_split+0x11e0/0x11e0
[  563.407328]  ? preempt_notifier_register+0x200/0x200
[  563.412480]  ? __switch_to_asm+0x34/0x70
[  563.416551]  ? __switch_to_asm+0x34/0x70
[  563.420615]  ? __switch_to_asm+0x40/0x70
[  563.425902]  ? __switch_to_asm+0x34/0x70
[  563.431761]  ? __switch_to_asm+0x40/0x70
[  563.436087]  ? __switch_to_asm+0x34/0x70
[  563.440150]  ? __switch_to_asm+0x40/0x70
[  563.444221]  ? __switch_to_asm+0x34/0x70
[  563.448281]  ? __switch_to_asm+0x34/0x70
[  563.452358]  ? __switch_to_asm+0x40/0x70
[  563.457761]  ? __switch_to_asm+0x34/0x70
[  563.462614]  bpf_clone_redirect+0xb9/0x490
[  563.466851]  ? __schedule+0x874/0x1ed0
[  563.470746]  bpf_prog_3d1649e183dc2cc1+0x379/0x1000
[  563.475782]  ? __sched_text_start+0x8/0x8
[  563.479966]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  563.484738]  ? find_held_lock+0x36/0x1c0
[  563.488811]  ? lock_acquire+0x1ed/0x520
[  563.492790]  ? bpf_test_run+0x32e/0x5a0
[  563.496770]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  563.502329]  ? check_preemption_disabled+0x48/0x200
[  563.507366]  ? kasan_check_read+0x11/0x20
[  563.511519]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  563.516804]  ? rcu_bh_qs+0xc0/0xc0
[  563.521129]  ? preempt_schedule+0x4d/0x60
[  563.525735]  ? ___preempt_schedule+0x16/0x18
[  563.530154]  ? bpf_test_run+0x1c0/0x5a0
[  563.534152]  ? netlink_diag_dump+0x2a0/0x2a0
[  563.538569]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  563.544126]  ? bpf_test_init.isra.9+0x70/0x100
[  563.548717]  ? bpf_prog_test_run_skb+0x634/0xb40
[  563.553487]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  563.558337]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  563.563878]  ? fput+0x130/0x1a0
[  563.567177]  ? __bpf_prog_get+0x9b/0x290
[  563.572060]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  563.576906]  ? bpf_prog_test_run+0x130/0x1a0
[  563.581322]  ? __x64_sys_bpf+0x3d8/0x510
[  563.585392]  ? bpf_prog_get+0x20/0x20
[  563.589234]  ? do_syscall_64+0x1b9/0x820
[  563.593303]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  563.598676]  ? syscall_return_slowpath+0x5e0/0x5e0
[  563.603612]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  563.608467]  ? trace_hardirqs_on_caller+0x310/0x310
[  563.613750]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  563.618792]  ? prepare_exit_to_usermode+0x291/0x3b0
[  563.623840]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  563.628700]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  563.634088] CPU: 0 PID: 11399 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  563.634197] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  563.641498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  563.641503] Call Trace:
[  563.641511]  <IRQ>
[  563.641528]  dump_stack+0x1c4/0x2b4
[  563.641548]  ? dump_stack_print_info.cold.2+0x52/0x52
[  563.648151] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  563.657418]  warn_alloc.cold.119+0xb7/0x1bd
[  563.659974] syz-executor4 cpuset=
[  563.662150]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  563.665790] syz4
[  563.672798]  ? lock_downgrade+0x900/0x900
[  563.683542]  mems_allowed=0
[  563.687864]  ? trace_hardirqs_off+0xb8/0x310
[  563.709541]  ? trace_hardirqs_off+0xb8/0x310
[  563.713964]  __alloc_pages_slowpath+0x2667/0x2d80
[  563.718843]  ? warn_alloc+0x120/0x120
[  563.722648]  ? trace_hardirqs_on+0x310/0x310
[  563.727068]  ? warn_alloc+0x120/0x120
[  563.730875]  ? print_usage_bug+0xc0/0xc0
[  563.735903]  ? warn_alloc+0x120/0x120
[  563.741042]  ? ktime_get+0x2e1/0x440
[  563.744764]  ? print_usage_bug+0xc0/0xc0
[  563.748831]  ? __lock_acquire+0x7ec/0x4ec0
[  563.753330]  ? __lock_acquire+0x7ec/0x4ec0
[  563.757826]  ? kasan_check_read+0x11/0x20
[  563.761981]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  563.767541]  ? should_fail+0x22d/0xd01
[  563.771441]  ? rcu_bh_qs+0xc0/0xc0
[  563.775005]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  563.780120]  ? __lock_acquire+0x7ec/0x4ec0
[  563.784373]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  563.789483]  ? __lock_acquire+0x7ec/0x4ec0
[  563.793722]  ? should_fail+0x22d/0xd01
[  563.797616]  ? rcu_idle_enter+0x4b0/0x4b0
[  563.802210]  ? mark_held_locks+0x130/0x130
[  563.808014]  ? mark_held_locks+0x130/0x130
[  563.813299]  ? mark_held_locks+0xc7/0x130
[  563.818241]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  563.823258]  ? graph_lock+0x170/0x170
[  563.827152]  ? print_usage_bug+0xc0/0xc0
[  563.831223]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  563.837817]  ? check_preemption_disabled+0x48/0x200
[  563.844672]  ? check_preemption_disabled+0x48/0x200
[  563.849713]  ? __lock_is_held+0xb5/0x140
[  563.853791]  __alloc_pages_nodemask+0xa80/0xde0
[  563.858470]  ? graph_lock+0x170/0x170
[  563.862281]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  563.868348]  ? graph_lock+0x170/0x170
[  563.872166]  ? find_held_lock+0x36/0x1c0
[  563.876244]  ? ____cache_alloc_node+0x1c7/0x1e0
[  563.880917]  ? lock_downgrade+0x900/0x900
[  563.885077]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  563.890631]  cache_grow_begin+0x91/0x8c0
[  563.895320]  ? do_raw_spin_unlock+0xa7/0x2f0
[  563.899743]  fallback_alloc+0x203/0x2e0
[  563.904369]  ____cache_alloc_node+0x1c7/0x1e0
[  563.909841]  kmem_cache_alloc_node+0xe3/0x730
[  563.914339]  ? ipv6_get_ifaddr+0x42e/0x620
[  563.918594]  __alloc_skb+0x119/0x770
[  563.922316]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  563.927604]  ? skb_scrub_packet+0x490/0x490
[  563.931951]  ? lock_downgrade+0x900/0x900
[  563.936111]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  563.941656]  ? refcount_sub_and_test_checked+0x203/0x310
[  563.947123]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  563.952583]  ? addrconf_rs_timer+0x6f0/0x6f0
[  563.957009]  ndisc_alloc_skb+0x144/0x340
[  563.961082]  ndisc_send_rs+0x331/0x6e0
[  563.964979]  addrconf_rs_timer+0x3c0/0x6f0
[  563.969223]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  563.973782]  call_timer_fn+0x272/0x920
[  563.977935]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  563.982176]  ? process_timeout+0x40/0x40
[  563.986244]  ? find_held_lock+0x36/0x1c0
[  563.990320]  ? __run_timers+0x7da/0xc70
[  563.994304]  ? _raw_spin_unlock_irq+0x27/0x80
[  563.998808]  ? _raw_spin_unlock_irq+0x27/0x80
[  564.003328]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  564.007588]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  564.012188]  ? trace_hardirqs_on+0xbd/0x310
[  564.016517]  ? kasan_check_read+0x11/0x20
[  564.020932]  ? __run_timers+0x7da/0xc70
[  564.024917]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  564.030377]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  564.034634]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  564.038885]  __run_timers+0x7e5/0xc70
[  564.042712]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  564.048085]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  564.053111]  ? graph_lock+0x170/0x170
[  564.056919]  ? enqueue_hrtimer+0x1a5/0x560
[  564.061156]  ? lock_release+0x970/0x970
[  564.066181]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  564.071815]  ? find_held_lock+0x36/0x1c0
[  564.075889]  ? graph_lock+0x170/0x170
[  564.079703]  ? pvclock_read_flags+0x160/0x160
[  564.084210]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  564.089757]  ? check_preemption_disabled+0x48/0x200
[  564.094806]  ? __lock_is_held+0xb5/0x140
[  564.098873]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  564.104422]  ? check_preemption_disabled+0x48/0x200
[  564.109453]  run_timer_softirq+0x52/0xb0
[  564.113519]  ? rcu_read_lock_sched_held+0x108/0x120
[  564.118540]  __do_softirq+0x30b/0xad8
[  564.122450]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  564.127563]  ? pvclock_read_flags+0x160/0x160
[  564.132062]  ? lapic_next_event+0x5a/0x90
[  564.136214]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  564.141753]  ? check_preemption_disabled+0x48/0x200
[  564.146770]  ? check_preemption_disabled+0x48/0x200
[  564.151798]  ? kvm_clock_read+0x18/0x30
[  564.155795]  ? kvm_sched_clock_read+0x9/0x20
[  564.160245]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  564.165800]  ? check_preemption_disabled+0x48/0x200
[  564.171960]  irq_exit+0x17f/0x1c0
[  564.175430]  smp_apic_timer_interrupt+0x1cb/0x760
[  564.180279]  ? smp_reschedule_interrupt+0x109/0x650
[  564.185299]  ? smp_call_function_single_interrupt+0x650/0x650
[  564.191202]  ? interrupt_entry+0xb5/0xf0
[  564.195272]  ? trace_hardirqs_off_caller+0xbb/0x310
[  564.200293]  ? trace_hardirqs_off_caller+0xbb/0x310
[  564.205331]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  564.210199]  ? trace_hardirqs_on_caller+0x310/0x310
[  564.215234]  ? trace_hardirqs_on_caller+0x310/0x310
[  564.220258]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  564.226057]  ? check_preemption_disabled+0x48/0x200
[  564.231078]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  564.236632]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  564.241486]  apic_timer_interrupt+0xf/0x20
[  564.245715]  </IRQ>
[  564.247957] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  564.252889] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  564.272487] RSP: 0000:ffff8801ba62f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  564.280202] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  564.287475] RDX: 0000000000000000 RSI: ffff8801b881aa80 RDI: 0000000000000286
[  564.294746] RBP: ffff8801ba62f7b0 R08: ffff8801b881a200 R09: 0000000000000000
[  564.302016] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  564.309285] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  564.317480]  skb_clone+0x1bb/0x500
[  564.321029]  ? finish_task_switch+0x1b5/0x900
[  564.325532]  ? skb_split+0x11e0/0x11e0
[  564.329433]  ? preempt_notifier_register+0x200/0x200
[  564.334544]  ? __switch_to_asm+0x34/0x70
[  564.338607]  ? __switch_to_asm+0x34/0x70
[  564.342678]  ? __switch_to_asm+0x40/0x70
[  564.346740]  ? __switch_to_asm+0x34/0x70
[  564.350808]  ? __switch_to_asm+0x40/0x70
[  564.354875]  ? __switch_to_asm+0x34/0x70
[  564.358938]  ? __switch_to_asm+0x40/0x70
[  564.363000]  ? __switch_to_asm+0x34/0x70
[  564.367575]  ? __switch_to_asm+0x34/0x70
[  564.371646]  ? __switch_to_asm+0x40/0x70
[  564.375715]  ? __switch_to_asm+0x34/0x70
[  564.379791]  bpf_clone_redirect+0xb9/0x490
[  564.384030]  ? __schedule+0x874/0x1ed0
[  564.387929]  bpf_prog_3d1649e183dc2cc1+0xcce/0x1000
[  564.392954]  ? __sched_text_start+0x8/0x8
[  564.397114]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  564.401889]  ? find_held_lock+0x36/0x1c0
[  564.406245]  ? lock_acquire+0x1ed/0x520
[  564.411869]  ? bpf_test_run+0x32e/0x5a0
[  564.416890]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  564.422518]  ? check_preemption_disabled+0x48/0x200
[  564.427541]  ? kasan_check_read+0x11/0x20
[  564.431698]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  564.436979]  ? rcu_bh_qs+0xc0/0xc0
[  564.440528]  ? preempt_schedule+0x4d/0x60
[  564.444687]  ? ___preempt_schedule+0x16/0x18
[  564.449108]  ? bpf_test_run+0x1c0/0x5a0
[  564.453099]  ? netlink_diag_dump+0x2a0/0x2a0
[  564.457514]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  564.463057]  ? bpf_test_init.isra.9+0x70/0x100
[  564.467652]  ? bpf_prog_test_run_skb+0x634/0xb40
[  564.473736]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  564.478581]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  564.484126]  ? fput+0x130/0x1a0
[  564.487420]  ? __bpf_prog_get+0x9b/0x290
[  564.491493]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  564.496340]  ? bpf_prog_test_run+0x130/0x1a0
[  564.501074]  ? __x64_sys_bpf+0x3d8/0x510
[  564.505139]  ? bpf_prog_get+0x20/0x20
[  564.508966]  ? do_syscall_64+0x1b9/0x820
[  564.513031]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  564.519192]  ? syscall_return_slowpath+0x5e0/0x5e0
[  564.524660]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  564.529515]  ? trace_hardirqs_on_caller+0x310/0x310
[  564.534538]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  564.539559]  ? prepare_exit_to_usermode+0x291/0x3b0
[  564.544589]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  564.549486]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  564.554874] CPU: 1 PID: 11390 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  564.554879] warn_alloc_show_mem: 1 callbacks suppressed
[  564.554886] Mem-Info:
[  564.562247] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  564.567627] active_anon:122480 inactive_anon:112 isolated_anon:0
[  564.567627]  active_file:16 inactive_file:5 isolated_file:0
[  564.567627]  unevictable:0 dirty:0 writeback:0 unstable:0
[  564.567627]  slab_reclaimable:9164 slab_unreclaimable:1399977
[  564.567627]  mapped:40962 shmem:118 pagetables:796 bounce:0
[  564.567627]  free:13728 free_pcp:0 free_cma:0
[  564.570007] Call Trace:
[  564.579398] Node 0 active_anon:489920kB inactive_anon:448kB active_file:64kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:472kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 471040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  564.612090]  <IRQ>
[  564.614664] Node 0 
[  564.642600]  dump_stack+0x1c4/0x2b4
[  564.644748] 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
[  564.646956]  ? dump_stack_print_info.cold.2+0x52/0x52
[  564.650554] lowmem_reserve[]: 0
[  564.676077]  warn_alloc.cold.119+0xb7/0x1bd
[  564.681250]  2813
[  564.685221]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  564.689695]  6317
[  564.691774]  ? lock_downgrade+0x900/0x900
[  564.696585]  6317
[  564.698761]  ? trace_hardirqs_off+0xb8/0x310
[  564.702882] Node 0 
[  564.704946]  ? trace_hardirqs_off+0xb8/0x310
[  564.709353] DMA32 free:25276kB min:30028kB low:37532kB high:45036kB active_anon:12288kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2884608kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  564.711565]  __alloc_pages_slowpath+0x2667/0x2d80
[  564.715964] lowmem_reserve[]: 0
[  564.742900]  ? warn_alloc+0x120/0x120
[  564.747699]  0
[  564.751166]  ? trace_hardirqs_on+0x310/0x310
[  564.754959]  3503
[  564.756761]  ? warn_alloc+0x120/0x120
[  564.761141]  3503
[  564.763217]  ? print_usage_bug+0xc0/0xc0
[  564.766998] Node 0 
[  564.769055]  ? warn_alloc+0x120/0x120
[  564.773121] Normal free:13728kB min:37384kB low:46728kB high:56072kB active_anon:477632kB inactive_anon:448kB active_file:64kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3587276kB mlocked:0kB kernel_stack:5408kB pagetables:3184kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  564.775330]  ? ktime_get+0x2e1/0x440
[  564.779097] lowmem_reserve[]: 0
[  564.807206]  ? print_usage_bug+0xc0/0xc0
[  564.810905]  0
[  564.814185]  ? __lock_acquire+0x7ec/0x4ec0
[  564.818224]  0 0
[  564.820052]  ? __lock_acquire+0x7ec/0x4ec0
[  564.824297] Node 0 
[  564.826274]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  564.830477] DMA: 1*4kB 
[  564.832728]  ? should_fail+0x22d/0xd01
[  564.838254] (U) 
[  564.840833]  ? __lock_acquire+0x7ec/0x4ec0
[  564.844694] 0*8kB 0*16kB 
[  564.846689]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  564.851160] 1*32kB 
[  564.853923]  ? __lock_acquire+0x7ec/0x4ec0
[  564.859000] (U) 
[  564.861237]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  564.865452] 2*64kB (U) 
[  564.867466]  ? __lock_acquire+0x7ec/0x4ec0
[  564.872556] 1*128kB 
[  564.875133]  ? should_fail+0x22d/0xd01
[  564.879864] (U) 
[  564.882195]  ? mark_held_locks+0x130/0x130
[  564.886054] 1*256kB (U) 
[  564.888038]  ? mark_held_locks+0x130/0x130
[  564.892251] 0*512kB 
[  564.894920]  ? graph_lock+0x170/0x170
[  564.899141] 1*1024kB 
[  564.901465]  ? print_usage_bug+0xc0/0xc0
[  564.905244] (U) 
[  564.907656]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  564.911707] 1*2048kB 
[  564.913679]  ? check_preemption_disabled+0x48/0x200
[  564.919197] (M) 
[  564.921604]  ? check_preemption_disabled+0x48/0x200
[  564.926596] 3*4096kB (M) 
[  564.928587]  ? __lock_is_held+0xb5/0x140
[  564.933578] = 15908kB
[  564.936337]  __alloc_pages_nodemask+0xa80/0xde0
[  564.940374] Node 0 
[  564.942956]  ? graph_lock+0x170/0x170
[  564.947596] DMA32: 5*4kB 
[  564.949843]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  564.953616] (UM) 
[  564.956372]  ? graph_lock+0x170/0x170
[  564.961393] 1*8kB 
[  564.963478]  ? find_held_lock+0x36/0x1c0
[  564.967245] (U) 
[  564.969405]  ? ____cache_alloc_node+0x1c7/0x1e0
[  564.973443] 4*16kB 
[  564.975425]  ? lock_downgrade+0x900/0x900
[  564.980067] (UM) 
[  564.982307]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  564.986433] 3*32kB 
[  564.988490]  cache_grow_begin+0x91/0x8c0
[  564.993998] (UM) 
[  564.996232]  ? do_raw_spin_unlock+0xa7/0x2f0
[  565.000278] 4*64kB (M) 
[  565.002358]  fallback_alloc+0x203/0x2e0
[  565.007020] 4*128kB 
[  565.010125]  ____cache_alloc_node+0x1c7/0x1e0
[  565.014070] (UM) 
[  565.016397]  kmem_cache_alloc_node+0xe3/0x730
[  565.020866] 3*256kB (M) 
[  565.022937]  ? ipv6_get_ifaddr+0x42e/0x620
[  565.027424] 4*512kB 
[  565.030097]  __alloc_skb+0x119/0x770
[  565.034303] (UM) 
[  565.036638]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  565.040323] 3*1024kB 
[  565.042382]  ? skb_scrub_packet+0x490/0x490
[  565.047636] (UM) 
[  565.050042]  ? lock_downgrade+0x900/0x900
[  565.054341] 3*2048kB 
[  565.056413]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  565.060531] (UM) 
[  565.062952]  ? refcount_sub_and_test_checked+0x203/0x310
[  565.068464] 3*4096kB 
[  565.070823]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  565.077896] (M) = 25276kB
[  565.080832]  ? addrconf_rs_timer+0x6f0/0x6f0
[  565.086262] Node 0 
[  565.089026]  ndisc_alloc_skb+0x144/0x340
[  565.094184] Normal: 
[  565.097211]  ndisc_send_rs+0x331/0x6e0
[  565.101950] 1058*4kB 
[  565.104277]  addrconf_rs_timer+0x3c0/0x6f0
[  565.108131] (UMEH) 
[  565.110541]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  565.114749] 417*8kB (UMEH) 
[  565.117783]  call_timer_fn+0x272/0x920
[  565.122593] 179*16kB 
[  565.125534]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  565.129392] (UME) 
[  565.131813]  ? process_timeout+0x40/0x40
[  565.136018] 63*32kB 
[  565.138164]  ? find_held_lock+0x36/0x1c0
[  565.142207] (UMEH) 
[  565.144538]  ? __run_timers+0x7da/0xc70
[  565.148564] 21*64kB 
[  565.150798]  ? _raw_spin_unlock_irq+0x27/0x80
[  565.154748] (UMH) 
[  565.157070]  ? _raw_spin_unlock_irq+0x27/0x80
[  565.161537] 2*128kB (MH) 
[  565.163697]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  565.168200] 0*256kB 
[  565.170983]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  565.175193] 0*512kB 
[  565.177513]  ? trace_hardirqs_on+0xbd/0x310
[  565.182071] 0*1024kB 
[  565.184404]  ? kasan_check_read+0x11/0x20
[  565.188724] 0*2048kB 
[  565.191132]  ? __run_timers+0x7da/0xc70
[  565.195254] 0*4096kB 
[  565.197661]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  565.201617] = 14048kB
[  565.204033]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  565.209456] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  565.211855]  __run_timers+0x7e5/0xc70
[  565.216072] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  565.226822]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  565.231458] 164 total pagecache pages
[  565.240029]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  565.245374] 0 pages in swap cache
[  565.249163]  ? graph_lock+0x170/0x170
[  565.254157] Swap cache stats: add 0, delete 0, find 0/0
[  565.254166] Free swap  = 0kB
[  565.257623]  ? enqueue_hrtimer+0x1a5/0x560
[  565.261399] Total swap = 0kB
[  565.266784]  ? lock_release+0x970/0x970
[  565.269780] 1965979 pages RAM
[  565.274041]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  565.277036] 0 pages HighMem/MovableOnly
[  565.281006]  ? find_held_lock+0x36/0x1c0
[  565.284086] 344031 pages reserved
[  565.289274]  ? graph_lock+0x170/0x170
[  565.293223] 0 pages cma reserved
[  565.297277]  ? pvclock_read_flags+0x160/0x160
[  565.300773] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  565.304503]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  565.308065] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  565.312444]  ? check_preemption_disabled+0x48/0x200
[  565.318934] syz-executor4 cpuset=
[  565.324473]  ? __lock_is_held+0xb5/0x140
[  565.334935] syz4
[  565.339953]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  565.343384]  mems_allowed=0
[  565.347443]  ? check_preemption_disabled+0x48/0x200
[  565.363727]  run_timer_softirq+0x52/0xb0
[  565.367797]  ? rcu_read_lock_sched_held+0x108/0x120
[  565.372818]  __do_softirq+0x30b/0xad8
[  565.376631]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  565.382526]  ? pvclock_read_flags+0x160/0x160
[  565.387024]  ? lapic_next_event+0x5a/0x90
[  565.391185]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  565.396725]  ? check_preemption_disabled+0x48/0x200
[  565.401746]  ? check_preemption_disabled+0x48/0x200
[  565.407312]  ? kvm_clock_read+0x18/0x30
[  565.412775]  ? kvm_sched_clock_read+0x9/0x20
[  565.418803]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  565.425990]  ? check_preemption_disabled+0x48/0x200
[  565.431547]  irq_exit+0x17f/0x1c0
[  565.435011]  smp_apic_timer_interrupt+0x1cb/0x760
[  565.439859]  ? smp_reschedule_interrupt+0x109/0x650
[  565.444880]  ? smp_call_function_single_interrupt+0x650/0x650
[  565.450771]  ? interrupt_entry+0xb5/0xf0
[  565.455619]  ? trace_hardirqs_off_caller+0xbb/0x310
[  565.460638]  ? trace_hardirqs_off_caller+0xbb/0x310
[  565.465658]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  565.470520]  ? trace_hardirqs_on_caller+0x310/0x310
[  565.475567]  ? trace_hardirqs_on_caller+0x310/0x310
[  565.480630]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  565.486244]  ? check_preemption_disabled+0x48/0x200
[  565.491294]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  565.497233]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  565.502088]  apic_timer_interrupt+0xf/0x20
[  565.506345]  </IRQ>
[  565.508586] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  565.513520] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  565.532430] RSP: 0000:ffff8801866cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  565.540141] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  565.548757] RDX: 0000000000000000 RSI: ffff8801ce554f00 RDI: 0000000000000286
[  565.556207] RBP: ffff8801866cf7b0 R08: ffff8801ce554680 R09: 0000000000000000
[  565.563477] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  565.572601] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  565.579927]  skb_clone+0x1bb/0x500
[  565.583773]  ? finish_task_switch+0x2f5/0x900
[  565.588365]  ? skb_split+0x11e0/0x11e0
[  565.592260]  ? preempt_notifier_register+0x200/0x200
[  565.597379]  ? __switch_to_asm+0x34/0x70
[  565.601452]  ? __switch_to_asm+0x34/0x70
[  565.605515]  ? __switch_to_asm+0x40/0x70
[  565.609845]  ? __switch_to_asm+0x34/0x70
[  565.613911]  ? __switch_to_asm+0x40/0x70
[  565.617976]  ? __switch_to_asm+0x34/0x70
[  565.622040]  ? __switch_to_asm+0x40/0x70
[  565.626103]  ? __switch_to_asm+0x34/0x70
[  565.630175]  ? __switch_to_asm+0x34/0x70
[  565.634237]  ? __switch_to_asm+0x40/0x70
[  565.638754]  ? __switch_to_asm+0x34/0x70
[  565.643263]  bpf_clone_redirect+0xb9/0x490
[  565.647506]  ? __schedule+0x874/0x1ed0
[  565.651404]  bpf_prog_3d1649e183dc2cc1+0x379/0x1000
[  565.656443]  ? __sched_text_start+0x8/0x8
[  565.660604]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  565.665372]  ? find_held_lock+0x36/0x1c0
[  565.669463]  ? lock_acquire+0x1ed/0x520
[  565.673449]  ? bpf_test_run+0x32e/0x5a0
[  565.677437]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  565.682978]  ? check_preemption_disabled+0x48/0x200
[  565.688002]  ? kasan_check_read+0x11/0x20
[  565.692154]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  565.698226]  ? rcu_bh_qs+0xc0/0xc0
[  565.701776]  ? preempt_schedule+0x4d/0x60
[  565.705928]  ? ___preempt_schedule+0x16/0x18
[  565.710350]  ? bpf_test_run+0x1c0/0x5a0
[  565.714356]  ? netlink_diag_dump+0x2a0/0x2a0
[  565.718771]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  565.724331]  ? bpf_test_init.isra.9+0x70/0x100
[  565.728925]  ? bpf_prog_test_run_skb+0x634/0xb40
[  565.733695]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  565.738543]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  565.744081]  ? fput+0x130/0x1a0
[  565.747369]  ? __bpf_prog_get+0x9b/0x290
[  565.751445]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  565.756290]  ? bpf_prog_test_run+0x130/0x1a0
[  565.760726]  ? __x64_sys_bpf+0x3d8/0x510
[  565.764793]  ? bpf_prog_get+0x20/0x20
[  565.768642]  ? do_syscall_64+0x1b9/0x820
[  565.772709]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  565.778076]  ? syscall_return_slowpath+0x5e0/0x5e0
[  565.783024]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  565.787873]  ? trace_hardirqs_on_caller+0x310/0x310
[  565.792897]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  565.797920]  ? prepare_exit_to_usermode+0x291/0x3b0
[  565.802945]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  565.807802]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  565.813195] CPU: 0 PID: 11399 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  565.813267] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  565.820558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  565.820563] Call Trace:
[  565.820570]  <IRQ>
[  565.820589]  dump_stack+0x1c4/0x2b4
[  565.820607]  ? dump_stack_print_info.cold.2+0x52/0x52
[  565.827187] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  565.836633]  warn_alloc.cold.119+0xb7/0x1bd
[  565.839190] syz-executor4 cpuset=
[  565.841340]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  565.844947] syz4
[  565.850568]  ? lock_downgrade+0x900/0x900
[  565.861051]  mems_allowed=0
[  565.865371]  ? trace_hardirqs_off+0xb8/0x310
[  565.887041]  ? trace_hardirqs_off+0xb8/0x310
[  565.891466]  __alloc_pages_slowpath+0x2667/0x2d80
[  565.896345]  ? warn_alloc+0x120/0x120
[  565.900175]  ? warn_alloc+0x120/0x120
[  565.903988]  ? print_usage_bug+0xc0/0xc0
[  565.908052]  ? warn_alloc+0x120/0x120
[  565.911859]  ? print_usage_bug+0xc0/0xc0
[  565.915933]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  565.921485]  ? should_fail+0x22d/0xd01
[  565.925378]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  565.930587]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  565.935703]  ? __lock_acquire+0x7ec/0x4ec0
[  565.939954]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  565.945063]  ? should_fail+0x22d/0xd01
[  565.948970]  ? mark_held_locks+0x130/0x130
[  565.953215]  ? mark_held_locks+0x130/0x130
[  565.957455]  ? print_usage_bug+0xc0/0xc0
[  565.961529]  ? find_held_lock+0x36/0x1c0
[  565.965591]  ? graph_lock+0x170/0x170
[  565.969398]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  565.974949]  ? check_preemption_disabled+0x48/0x200
[  565.980225]  ? check_preemption_disabled+0x48/0x200
[  565.985256]  ? __lock_is_held+0xb5/0x140
[  565.989329]  __alloc_pages_nodemask+0xa80/0xde0
[  565.994001]  ? graph_lock+0x170/0x170
[  565.997812]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  566.004055]  ? graph_lock+0x170/0x170
[  566.008399]  ? find_held_lock+0x36/0x1c0
[  566.013177]  ? ____cache_alloc_node+0x1c7/0x1e0
[  566.017851]  ? lock_downgrade+0x900/0x900
[  566.022013]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  566.027563]  cache_grow_begin+0x91/0x8c0
[  566.031632]  ? do_raw_spin_unlock+0xa7/0x2f0
[  566.036053]  fallback_alloc+0x203/0x2e0
[  566.040038]  ____cache_alloc_node+0x1c7/0x1e0
[  566.044545]  kmem_cache_alloc_node+0xe3/0x730
[  566.049046]  ? mark_held_locks+0xc7/0x130
[  566.053213]  __alloc_skb+0x119/0x770
[  566.056938]  ? skb_scrub_packet+0x490/0x490
[  566.061269]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  566.067085]  ? queue_work_on+0x12c/0x1e0
[  566.071426]  ? switchdev_port_obj_del+0xdc/0x450
[  566.076188]  ? switchdev_trans_item_enqueue+0x260/0x260
[  566.081561]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  566.086591]  __br_mdb_notify+0x4ff/0x15d0
[  566.090743]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  566.097281]  ? __br_mdb_add+0x800/0x800
[  566.102766]  ? kasan_check_write+0x14/0x20
[  566.107532]  ? do_raw_spin_lock+0xc1/0x200
[  566.111787]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  566.116897]  ? debug_object_assert_init+0x368/0x4b0
[  566.121936]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  566.127392]  ? debug_object_init_on_stack+0x20/0x20
[  566.132423]  ? graph_lock+0x170/0x170
[  566.136233]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  566.142047]  br_mdb_notify+0x310/0x410
[  566.145943]  ? br_mdb_dump+0x2530/0x2530
[  566.150024]  br_multicast_del_pg+0x3df/0x790
[  566.154449]  ? br_mdb_ip_get+0x940/0x940
[  566.158540]  ? kasan_check_write+0x14/0x20
[  566.162782]  ? do_raw_spin_lock+0xc1/0x200
[  566.167031]  br_multicast_port_group_expired+0x189/0x1e0
[  566.172491]  call_timer_fn+0x272/0x920
[  566.176384]  ? br_multicast_del_pg+0x790/0x790
[  566.182380]  ? process_timeout+0x40/0x40
[  566.186449]  ? find_held_lock+0x36/0x1c0
[  566.190525]  ? __run_timers+0x7da/0xc70
[  566.194511]  ? _raw_spin_unlock_irq+0x27/0x80
[  566.199022]  ? _raw_spin_unlock_irq+0x27/0x80
[  566.203523]  ? br_multicast_del_pg+0x790/0x790
[  566.208109]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  566.213741]  ? trace_hardirqs_on+0xbd/0x310
[  566.218063]  ? kasan_check_read+0x11/0x20
[  566.222214]  ? __run_timers+0x7da/0xc70
[  566.226214]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  566.231680]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  566.235932]  ? br_multicast_del_pg+0x790/0x790
[  566.240519]  __run_timers+0x7e5/0xc70
[  566.244439]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  566.250339]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  566.256850]  ? graph_lock+0x170/0x170
[  566.260657]  ? enqueue_hrtimer+0x1a5/0x560
[  566.264898]  ? lock_release+0x970/0x970
[  566.268885]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  566.274090]  ? find_held_lock+0x36/0x1c0
[  566.278160]  ? graph_lock+0x170/0x170
[  566.281969]  ? pvclock_read_flags+0x160/0x160
[  566.286499]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  566.292038]  ? check_preemption_disabled+0x48/0x200
[  566.297069]  ? __lock_is_held+0xb5/0x140
[  566.301135]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  566.306682]  ? check_preemption_disabled+0x48/0x200
[  566.311720]  run_timer_softirq+0x52/0xb0
[  566.316311]  ? rcu_read_lock_sched_held+0x108/0x120
[  566.321342]  __do_softirq+0x30b/0xad8
[  566.325165]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  566.330282]  ? pvclock_read_flags+0x160/0x160
[  566.334781]  ? lapic_next_event+0x5a/0x90
[  566.338938]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  566.344484]  ? check_preemption_disabled+0x48/0x200
[  566.349504]  ? check_preemption_disabled+0x48/0x200
[  566.354544]  ? kvm_clock_read+0x18/0x30
[  566.358523]  ? kvm_sched_clock_read+0x9/0x20
[  566.363463]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  566.369730]  ? check_preemption_disabled+0x48/0x200
[  566.374762]  irq_exit+0x17f/0x1c0
[  566.378219]  smp_apic_timer_interrupt+0x1cb/0x760
[  566.383080]  ? smp_reschedule_interrupt+0x109/0x650
[  566.388625]  ? smp_call_function_single_interrupt+0x650/0x650
[  566.394530]  ? interrupt_entry+0xb5/0xf0
[  566.398596]  ? trace_hardirqs_off_caller+0xbb/0x310
[  566.403615]  ? trace_hardirqs_off_caller+0xbb/0x310
[  566.408637]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  566.413491]  ? trace_hardirqs_on_caller+0x310/0x310
[  566.418942]  ? trace_hardirqs_on_caller+0x310/0x310
[  566.424228]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  566.431080]  ? check_preemption_disabled+0x48/0x200
[  566.436098]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  566.441666]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  566.446528]  apic_timer_interrupt+0xf/0x20
[  566.450763]  </IRQ>
[  566.453009] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  566.457942] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  566.477711] RSP: 0000:ffff8801ba62f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  566.485446] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  566.492733] RDX: 0000000000000000 RSI: ffff8801b881aa80 RDI: 0000000000000286
[  566.500228] RBP: ffff8801ba62f7b0 R08: ffff8801b881a200 R09: 0000000000000000
[  566.508252] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  566.515519] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  566.523371]  skb_clone+0x1bb/0x500
[  566.527018]  ? finish_task_switch+0x1b5/0x900
[  566.531558]  ? skb_split+0x11e0/0x11e0
[  566.535452]  ? preempt_notifier_register+0x200/0x200
[  566.540563]  ? __switch_to_asm+0x34/0x70
[  566.544628]  ? __switch_to_asm+0x34/0x70
[  566.548697]  ? __switch_to_asm+0x40/0x70
[  566.552782]  ? __switch_to_asm+0x34/0x70
[  566.556848]  ? __switch_to_asm+0x40/0x70
[  566.560911]  ? __switch_to_asm+0x34/0x70
[  566.564978]  ? __switch_to_asm+0x40/0x70
[  566.569042]  ? __switch_to_asm+0x34/0x70
[  566.573107]  ? __switch_to_asm+0x34/0x70
[  566.577169]  ? __switch_to_asm+0x40/0x70
[  566.581248]  ? __switch_to_asm+0x34/0x70
[  566.585346]  bpf_clone_redirect+0xb9/0x490
[  566.589842]  ? __schedule+0x874/0x1ed0
[  566.593738]  bpf_prog_3d1649e183dc2cc1+0xcce/0x1000
[  566.598765]  ? __sched_text_start+0x8/0x8
[  566.603582]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  566.608399]  ? find_held_lock+0x36/0x1c0
[  566.612483]  ? lock_acquire+0x1ed/0x520
[  566.616462]  ? bpf_test_run+0x32e/0x5a0
[  566.620448]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  566.625987]  ? check_preemption_disabled+0x48/0x200
[  566.631010]  ? kasan_check_read+0x11/0x20
[  566.635163]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  566.640450]  ? rcu_bh_qs+0xc0/0xc0
[  566.643996]  ? preempt_schedule+0x4d/0x60
[  566.648148]  ? ___preempt_schedule+0x16/0x18
[  566.653443]  ? bpf_test_run+0x1c0/0x5a0
[  566.658216]  ? netlink_diag_dump+0x2a0/0x2a0
[  566.662631]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  566.668174]  ? bpf_test_init.isra.9+0x70/0x100
[  566.672770]  ? bpf_prog_test_run_skb+0x634/0xb40
[  566.678072]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  566.682923]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  566.688469]  ? fput+0x130/0x1a0
[  566.691759]  ? __bpf_prog_get+0x9b/0x290
[  566.695829]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  566.700951]  ? bpf_prog_test_run+0x130/0x1a0
[  566.705631]  ? __x64_sys_bpf+0x3d8/0x510
[  566.709697]  ? bpf_prog_get+0x20/0x20
[  566.713550]  ? do_syscall_64+0x1b9/0x820
[  566.717617]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  566.723251]  ? syscall_return_slowpath+0x5e0/0x5e0
[  566.728299]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  566.733425]  ? trace_hardirqs_on_caller+0x310/0x310
[  566.738451]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  566.743473]  ? prepare_exit_to_usermode+0x291/0x3b0
[  566.748499]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  566.753361]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  566.758757] warn_alloc_show_mem: 1 callbacks suppressed
[  566.758770] CPU: 1 PID: 11390 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  566.758772] Mem-Info:
[  566.758803] active_anon:122480 inactive_anon:112 isolated_anon:0
[  566.758803]  active_file:16 inactive_file:5 isolated_file:0
[  566.758803]  unevictable:0 dirty:0 writeback:0 unstable:0
[  566.758803]  slab_reclaimable:9164 slab_unreclaimable:1399977
[  566.758803]  mapped:40962 shmem:118 pagetables:796 bounce:0
[  566.758803]  free:13728 free_pcp:0 free_cma:0
[  566.764146] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  566.771528] Node 0 active_anon:489920kB inactive_anon:448kB active_file:64kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:472kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 471040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  566.773930] Call Trace:
[  566.806728] Node 0 
[  566.816078]  <IRQ>
[  566.843881] 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
[  566.846717]  dump_stack+0x1c4/0x2b4
[  566.848920] lowmem_reserve[]: 0
[  566.851079]  ? dump_stack_print_info.cold.2+0x52/0x52
[  566.876557]  2813 6317
[  566.880209]  warn_alloc.cold.119+0xb7/0x1bd
[  566.883458]  6317
[  566.890325]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  566.893757] Node 0 
[  566.899311]  ? lock_downgrade+0x900/0x900
[  566.901635] DMA32 free:25276kB min:30028kB low:37532kB high:45036kB active_anon:12288kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2884608kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  566.906456]  ? trace_hardirqs_off+0xb8/0x310
[  566.908667] lowmem_reserve[]:
[  566.912855]  ? trace_hardirqs_off+0xb8/0x310
[  566.940440]  0 0
[  566.944861]  __alloc_pages_slowpath+0x2667/0x2d80
[  566.947932]  3503 3503
[  566.952446]  ? warn_alloc+0x120/0x120
[  566.954398] Node 0 
[  566.960121]  ? trace_hardirqs_on+0x310/0x310
[  566.962622] Normal free:13728kB min:37384kB low:46728kB high:56072kB active_anon:477632kB inactive_anon:448kB active_file:64kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3587276kB mlocked:0kB kernel_stack:5408kB pagetables:3184kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  566.966656]  ? warn_alloc+0x120/0x120
[  566.968868] lowmem_reserve[]: 0
[  566.973300]  ? print_usage_bug+0xc0/0xc0
[  567.001298]  0
[  567.005094]  ? warn_alloc+0x120/0x120
[  567.008346]  0 0
[  567.012419]  ? ktime_get+0x2e1/0x440
[  567.017998]  ? print_usage_bug+0xc0/0xc0
[  567.019951] Node 0 
[  567.023660]  ? __lock_acquire+0x7ec/0x4ec0
[  567.027703] DMA: 1*4kB 
[  567.029947]  ? __lock_acquire+0x7ec/0x4ec0
[  567.034330] (U) 
[  567.036908]  ? kasan_check_read+0x11/0x20
[  567.041113] 0*8kB 0*16kB 
[  567.043115]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  567.047291] 1*32kB 
[  567.050066]  ? should_fail+0x22d/0xd01
[  567.055582] (U) 
[  567.058346]  ? rcu_bh_qs+0xc0/0xc0
[  567.062762] 2*64kB (U) 
[  567.065269]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  567.068776] 1*128kB (U) 
[  567.071378]  ? __lock_acquire+0x7ec/0x4ec0
[  567.076463] 1*256kB (U) 
[  567.079153]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  567.083373] 0*512kB 1*1024kB 
[  567.086047]  ? __lock_acquire+0x7ec/0x4ec0
[  567.091127] (U) 
[  567.094227]  ? should_fail+0x22d/0xd01
[  567.098452] 1*2048kB (M) 
[  567.100446]  ? rcu_idle_enter+0x4b0/0x4b0
[  567.104307] 3*4096kB (M) 
[  567.107524]  ? mark_held_locks+0x130/0x130
[  567.111646] = 15908kB
[  567.114430]  ? mark_held_locks+0x130/0x130
[  567.118640] Node 0 
[  567.121047]  ? mark_held_locks+0xc7/0x130
[  567.125252] DMA32: 5*4kB 
[  567.127517]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  567.131645] (UM) 
[  567.134423]  ? graph_lock+0x170/0x170
[  567.140639] 1*8kB 
[  567.142700]  ? print_usage_bug+0xc0/0xc0
[  567.146486] (U) 4*16kB 
[  567.148645]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  567.152679] (UM) 3*32kB 
[  567.155271]  ? check_preemption_disabled+0x48/0x200
[  567.160802] (UM) 4*64kB 
[  567.163496]  ? check_preemption_disabled+0x48/0x200
[  567.168482] (M) 4*128kB 
[  567.171168]  ? __lock_is_held+0xb5/0x140
[  567.176151] (UM) 3*256kB 
[  567.178856]  __alloc_pages_nodemask+0xa80/0xde0
[  567.182892] (M) 
[  567.185653]  ? graph_lock+0x170/0x170
[  567.190300] 4*512kB (UM) 
[  567.192281]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  567.196066] 3*1024kB (UM) 
[  567.198827]  ? graph_lock+0x170/0x170
[  567.203817] 3*2048kB (UM) 
[  567.206850]  ? find_held_lock+0x36/0x1c0
[  567.211399] 3*4096kB (M) 
[  567.214277]  ? ____cache_alloc_node+0x1c7/0x1e0
[  567.218322] = 25276kB
[  567.221094]  ? lock_downgrade+0x900/0x900
[  567.225755] Node 0 
[  567.228163]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  567.232276] Normal: 1058*4kB 
[  567.234517]  cache_grow_begin+0x91/0x8c0
[  567.240115] (UMEH) 
[  567.243221]  ? do_raw_spin_unlock+0xa7/0x2f0
[  567.247518] 417*8kB 
[  567.249757]  fallback_alloc+0x203/0x2e0
[  567.254143] (UMEH) 179*16kB 
[  567.256478]  ____cache_alloc_node+0x1c7/0x1e0
[  567.260430] (UME) 
[  567.263449]  kmem_cache_alloc_node+0xe3/0x730
[  567.267914] 63*32kB (UMEH) 
[  567.270069]  ? ipv6_get_ifaddr+0x42e/0x620
[  567.274534] 21*64kB (UMH) 
[  567.277481]  __alloc_skb+0x119/0x770
[  567.281683] 2*128kB (MH) 
[  567.285059]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  567.290041] 0*256kB 0*512kB 
[  567.293065]  ? skb_scrub_packet+0x490/0x490
[  567.298310] 0*1024kB 0*2048kB 
[  567.301351]  ? lock_downgrade+0x900/0x900
[  567.305652] 0*4096kB = 14048kB
[  567.308856]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  567.313254] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  567.316699]  ? refcount_sub_and_test_checked+0x203/0x310
[  567.322219] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  567.331045]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  567.336476] 164 total pagecache pages
[  567.345311]  ? addrconf_rs_timer+0x6f0/0x6f0
[  567.350745] 0 pages in swap cache
[  567.354804]  ndisc_alloc_skb+0x144/0x340
[  567.360315] Swap cache stats: add 0, delete 0, find 0/0
[  567.363760]  ndisc_send_rs+0x331/0x6e0
[  567.368238] Free swap  = 0kB
[  567.368248] Total swap = 0kB
[  567.373612]  addrconf_rs_timer+0x3c0/0x6f0
[  567.377477] 1965979 pages RAM
[  567.380495]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  567.383483] 0 pages HighMem/MovableOnly
[  567.383492] 344031 pages reserved
[  567.387736]  call_timer_fn+0x272/0x920
[  567.390814] 0 pages cma reserved
[  567.391012] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  567.395058]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  567.399011] syz-executor4 cpuset=
[  567.402470]  ? process_timeout+0x40/0x40
[  567.406592] syz4
[  567.409955]  ? find_held_lock+0x36/0x1c0
[  567.420430]  mems_allowed=0
[  567.424668]  ? __run_timers+0x7da/0xc70
[  567.445047]  ? _raw_spin_unlock_irq+0x27/0x80
[  567.449551]  ? _raw_spin_unlock_irq+0x27/0x80
[  567.454049]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  567.458294]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  567.463671]  ? trace_hardirqs_on+0xbd/0x310
[  567.467996]  ? kasan_check_read+0x11/0x20
[  567.472153]  ? __run_timers+0x7da/0xc70
[  567.476142]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  567.481868]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  567.486120]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  567.490362]  __run_timers+0x7e5/0xc70
[  567.494224]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  567.499594]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  567.504644]  ? graph_lock+0x170/0x170
[  567.508457]  ? enqueue_hrtimer+0x1a5/0x560
[  567.512695]  ? lock_release+0x970/0x970
[  567.516938]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  567.522138]  ? find_held_lock+0x36/0x1c0
[  567.526216]  ? graph_lock+0x170/0x170
[  567.530020]  ? pvclock_read_flags+0x160/0x160
[  567.534536]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  567.540081]  ? check_preemption_disabled+0x48/0x200
[  567.545372]  ? __lock_is_held+0xb5/0x140
[  567.549445]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  567.555000]  ? check_preemption_disabled+0x48/0x200
[  567.561071]  run_timer_softirq+0x52/0xb0
[  567.565136]  ? rcu_read_lock_sched_held+0x108/0x120
[  567.570159]  __do_softirq+0x30b/0xad8
[  567.573984]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  567.579102]  ? pvclock_read_flags+0x160/0x160
[  567.583606]  ? lapic_next_event+0x5a/0x90
[  567.587766]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  567.593307]  ? check_preemption_disabled+0x48/0x200
[  567.598322]  ? check_preemption_disabled+0x48/0x200
[  567.603359]  ? kvm_clock_read+0x18/0x30
[  567.607350]  ? kvm_sched_clock_read+0x9/0x20
[  567.611796]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  567.617353]  ? check_preemption_disabled+0x48/0x200
[  567.622392]  irq_exit+0x17f/0x1c0
[  567.626393]  smp_apic_timer_interrupt+0x1cb/0x760
[  567.631429]  ? smp_reschedule_interrupt+0x109/0x650
[  567.636452]  ? smp_call_function_single_interrupt+0x650/0x650
[  567.642343]  ? interrupt_entry+0xb5/0xf0
[  567.646419]  ? trace_hardirqs_off_caller+0xbb/0x310
[  567.651472]  ? trace_hardirqs_off_caller+0xbb/0x310
[  567.656547]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  567.661439]  ? trace_hardirqs_on_caller+0x310/0x310
[  567.666458]  ? trace_hardirqs_on_caller+0x310/0x310
[  567.672001]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  567.677629]  ? check_preemption_disabled+0x48/0x200
[  567.682650]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  567.688204]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  567.693079]  apic_timer_interrupt+0xf/0x20
[  567.697338]  </IRQ>
[  567.699579] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  567.704514] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  567.723426] RSP: 0000:ffff8801866cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  567.731146] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  567.738428] RDX: 0000000000000000 RSI: ffff8801ce554f00 RDI: 0000000000000286
[  567.745699] RBP: ffff8801866cf7b0 R08: ffff8801ce554680 R09: 0000000000000000
[  567.753229] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  567.760500] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  567.767820]  skb_clone+0x1bb/0x500
[  567.771366]  ? finish_task_switch+0x2f5/0x900
[  567.775871]  ? skb_split+0x11e0/0x11e0
[  567.779777]  ? preempt_notifier_register+0x200/0x200
[  567.784901]  ? __switch_to_asm+0x34/0x70
[  567.788976]  ? __switch_to_asm+0x34/0x70
[  567.793052]  ? __switch_to_asm+0x40/0x70
[  567.797119]  ? __switch_to_asm+0x34/0x70
[  567.801188]  ? __switch_to_asm+0x40/0x70
[  567.805256]  ? __switch_to_asm+0x34/0x70
[  567.809334]  ? __switch_to_asm+0x40/0x70
[  567.813397]  ? __switch_to_asm+0x34/0x70
[  567.817471]  ? __switch_to_asm+0x34/0x70
[  567.821544]  ? __switch_to_asm+0x40/0x70
[  567.825870]  ? __switch_to_asm+0x34/0x70
[  567.829948]  bpf_clone_redirect+0xb9/0x490
[  567.834192]  ? __schedule+0x874/0x1ed0
[  567.838119]  bpf_prog_3d1649e183dc2cc1+0x379/0x1000
[  567.843142]  ? __sched_text_start+0x8/0x8
[  567.847302]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  567.852071]  ? find_held_lock+0x36/0x1c0
[  567.856924]  ? lock_acquire+0x1ed/0x520
[  567.860907]  ? bpf_test_run+0x32e/0x5a0
[  567.864999]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  567.870804]  ? check_preemption_disabled+0x48/0x200
[  567.875830]  ? kasan_check_read+0x11/0x20
[  567.879994]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  567.885274]  ? rcu_bh_qs+0xc0/0xc0
[  567.888848]  ? preempt_schedule+0x4d/0x60
[  567.893008]  ? ___preempt_schedule+0x16/0x18
[  567.897440]  ? bpf_test_run+0x1c0/0x5a0
[  567.901438]  ? netlink_diag_dump+0x2a0/0x2a0
[  567.905861]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  567.911430]  ? bpf_test_init.isra.9+0x70/0x100
[  567.916024]  ? bpf_prog_test_run_skb+0x634/0xb40
[  567.920794]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  567.925637]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  567.931186]  ? fput+0x130/0x1a0
[  567.934768]  ? __bpf_prog_get+0x9b/0x290
[  567.940050]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  567.945952]  ? bpf_prog_test_run+0x130/0x1a0
[  567.950436]  ? __x64_sys_bpf+0x3d8/0x510
[  567.954503]  ? bpf_prog_get+0x20/0x20
[  567.958335]  ? do_syscall_64+0x1b9/0x820
[  567.962421]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  567.968327]  ? syscall_return_slowpath+0x5e0/0x5e0
[  567.973261]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  567.978112]  ? trace_hardirqs_on_caller+0x310/0x310
[  567.983148]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  567.988180]  ? prepare_exit_to_usermode+0x291/0x3b0
[  567.993213]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  567.998085]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  568.003645] CPU: 0 PID: 11399 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  568.003719] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  568.011013] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  568.011018] Call Trace:
[  568.011025]  <IRQ>
[  568.011043]  dump_stack+0x1c4/0x2b4
[  568.011065]  ? dump_stack_print_info.cold.2+0x52/0x52
[  568.017896] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  568.027169]  warn_alloc.cold.119+0xb7/0x1bd
[  568.029729] syz-executor4 cpuset=
[  568.031880]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  568.035504] syz4
[  568.040953]  ? lock_downgrade+0x900/0x900
[  568.051509]  mems_allowed=0
[  568.055831]  ? trace_hardirqs_off+0xb8/0x310
[  568.077538]  ? trace_hardirqs_off+0xb8/0x310
[  568.081961]  __alloc_pages_slowpath+0x2667/0x2d80
[  568.087454]  ? warn_alloc+0x120/0x120
[  568.091292]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  568.096316]  ? warn_alloc+0x120/0x120
[  568.100476]  ? print_usage_bug+0xc0/0xc0
[  568.104547]  ? warn_alloc+0x120/0x120
[  568.108351]  ? print_usage_bug+0xc0/0xc0
[  568.112448]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  568.117653]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  568.123651]  ? should_fail+0x22d/0xd01
[  568.127833]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  568.133813]  ? __lock_acquire+0x7ec/0x4ec0
[  568.138837]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  568.143965]  ? should_fail+0x22d/0xd01
[  568.147879]  ? mark_held_locks+0x130/0x130
[  568.152122]  ? mark_held_locks+0x130/0x130
[  568.156357]  ? print_usage_bug+0xc0/0xc0
[  568.160603]  ? find_held_lock+0x36/0x1c0
[  568.164676]  ? graph_lock+0x170/0x170
[  568.168488]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  568.174204]  ? check_preemption_disabled+0x48/0x200
[  568.181221]  ? check_preemption_disabled+0x48/0x200
[  568.186252]  ? __lock_is_held+0xb5/0x140
[  568.190680]  __alloc_pages_nodemask+0xa80/0xde0
[  568.195352]  ? graph_lock+0x170/0x170
[  568.199160]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  568.204176]  ? graph_lock+0x170/0x170
[  568.208880]  ? find_held_lock+0x36/0x1c0
[  568.214265]  ? ____cache_alloc_node+0x1c7/0x1e0
[  568.218949]  ? lock_downgrade+0x900/0x900
[  568.223108]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  568.228657]  cache_grow_begin+0x91/0x8c0
[  568.232733]  ? do_raw_spin_unlock+0xa7/0x2f0
[  568.237153]  fallback_alloc+0x203/0x2e0
[  568.241144]  ____cache_alloc_node+0x1c7/0x1e0
[  568.245657]  kmem_cache_alloc_node+0xe3/0x730
[  568.250510]  ? mark_held_locks+0xc7/0x130
[  568.254705]  __alloc_skb+0x119/0x770
[  568.258443]  ? skb_scrub_packet+0x490/0x490
[  568.262793]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  568.267387]  ? queue_work_on+0x12c/0x1e0
[  568.272278]  ? switchdev_port_obj_del+0xdc/0x450
[  568.277572]  ? switchdev_trans_item_enqueue+0x260/0x260
[  568.282950]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  568.287980]  __br_mdb_notify+0x4ff/0x15d0
[  568.292139]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  568.297261]  ? __br_mdb_add+0x800/0x800
[  568.301243]  ? kasan_check_write+0x14/0x20
[  568.305493]  ? do_raw_spin_lock+0xc1/0x200
[  568.309742]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  568.315910]  ? debug_object_assert_init+0x368/0x4b0
[  568.320936]  ? debug_object_init_on_stack+0x20/0x20
[  568.325954]  ? graph_lock+0x170/0x170
[  568.329760]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  568.335857]  br_mdb_notify+0x310/0x410
[  568.340031]  ? br_mdb_dump+0x2530/0x2530
[  568.344132]  br_multicast_del_pg+0x3df/0x790
[  568.348555]  ? br_mdb_ip_get+0x940/0x940
[  568.352630]  ? kasan_check_write+0x14/0x20
[  568.356869]  ? do_raw_spin_lock+0xc1/0x200
[  568.361119]  br_multicast_port_group_expired+0x189/0x1e0
[  568.367330]  call_timer_fn+0x272/0x920
[  568.371238]  ? br_multicast_del_pg+0x790/0x790
[  568.375826]  ? process_timeout+0x40/0x40
[  568.379887]  ? find_held_lock+0x36/0x1c0
[  568.383964]  ? __run_timers+0x7da/0xc70
[  568.388210]  ? _raw_spin_unlock_irq+0x27/0x80
[  568.392970]  ? _raw_spin_unlock_irq+0x27/0x80
[  568.397477]  ? br_multicast_del_pg+0x790/0x790
[  568.402063]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  568.406656]  ? trace_hardirqs_on+0xbd/0x310
[  568.410982]  ? kasan_check_read+0x11/0x20
[  568.416107]  ? __run_timers+0x7da/0xc70
[  568.420090]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  568.425557]  ? br_multicast_del_pg+0x790/0x790
[  568.430685]  ? br_multicast_del_pg+0x790/0x790
[  568.435535]  __run_timers+0x7e5/0xc70
[  568.439361]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  568.444730]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  568.450013]  ? graph_lock+0x170/0x170
[  568.454519]  ? enqueue_hrtimer+0x1a5/0x560
[  568.458758]  ? lock_release+0x970/0x970
[  568.462740]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  568.467945]  ? find_held_lock+0x36/0x1c0
[  568.472013]  ? graph_lock+0x170/0x170
[  568.475820]  ? pvclock_read_flags+0x160/0x160
[  568.480604]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  568.486147]  ? check_preemption_disabled+0x48/0x200
[  568.491198]  ? __lock_is_held+0xb5/0x140
[  568.496137]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  568.502782]  ? check_preemption_disabled+0x48/0x200
[  568.507805]  run_timer_softirq+0x52/0xb0
[  568.511872]  ? rcu_read_lock_sched_held+0x108/0x120
[  568.516900]  __do_softirq+0x30b/0xad8
[  568.520720]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  568.525858]  ? pvclock_read_flags+0x160/0x160
[  568.530794]  ? lapic_next_event+0x5a/0x90
[  568.534948]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  568.540491]  ? check_preemption_disabled+0x48/0x200
[  568.545800]  ? check_preemption_disabled+0x48/0x200
[  568.552164]  ? kvm_clock_read+0x18/0x30
[  568.556404]  ? kvm_sched_clock_read+0x9/0x20
[  568.561089]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  568.566627]  ? check_preemption_disabled+0x48/0x200
[  568.572731]  irq_exit+0x17f/0x1c0
[  568.576276]  smp_apic_timer_interrupt+0x1cb/0x760
[  568.581299]  ? smp_reschedule_interrupt+0x109/0x650
[  568.586329]  ? smp_call_function_single_interrupt+0x650/0x650
[  568.592222]  ? interrupt_entry+0xb5/0xf0
[  568.596290]  ? trace_hardirqs_off_caller+0xbb/0x310
[  568.601312]  ? trace_hardirqs_off_caller+0xbb/0x310
[  568.606346]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  568.611215]  ? trace_hardirqs_on_caller+0x310/0x310
[  568.616234]  ? trace_hardirqs_on_caller+0x310/0x310
[  568.621257]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  568.626794]  ? check_preemption_disabled+0x48/0x200
[  568.631809]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  568.637358]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  568.642218]  apic_timer_interrupt+0xf/0x20
[  568.646452]  </IRQ>
[  568.648698] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  568.653630] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  568.672542] RSP: 0000:ffff8801ba62f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  568.680263] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  568.687538] RDX: 0000000000000000 RSI: ffff8801b881aa80 RDI: 0000000000000286
[  568.694807] RBP: ffff8801ba62f7b0 R08: ffff8801b881a200 R09: 0000000000000000
[  568.702075] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  568.709341] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  568.716689]  skb_clone+0x1bb/0x500
[  568.720255]  ? finish_task_switch+0x1b5/0x900
[  568.724758]  ? skb_split+0x11e0/0x11e0
[  568.728649]  ? preempt_notifier_register+0x200/0x200
[  568.733762]  ? __switch_to_asm+0x34/0x70
[  568.737825]  ? __switch_to_asm+0x34/0x70
[  568.741886]  ? __switch_to_asm+0x40/0x70
[  568.745969]  ? __switch_to_asm+0x34/0x70
[  568.750058]  ? __switch_to_asm+0x40/0x70
[  568.754125]  ? __switch_to_asm+0x34/0x70
[  568.758197]  ? __switch_to_asm+0x40/0x70
[  568.762261]  ? __switch_to_asm+0x34/0x70
[  568.766329]  ? __switch_to_asm+0x34/0x70
[  568.770393]  ? __switch_to_asm+0x40/0x70
[  568.774468]  ? __switch_to_asm+0x34/0x70
[  568.778540]  bpf_clone_redirect+0xb9/0x490
[  568.782781]  ? __schedule+0x874/0x1ed0
[  568.786691]  bpf_prog_3d1649e183dc2cc1+0xcce/0x1000
[  568.791716]  ? __sched_text_start+0x8/0x8
[  568.797000]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  568.801774]  ? find_held_lock+0x36/0x1c0
[  568.805851]  ? lock_acquire+0x1ed/0x520
[  568.809828]  ? bpf_test_run+0x32e/0x5a0
[  568.813805]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  568.819521]  ? check_preemption_disabled+0x48/0x200
[  568.824546]  ? kasan_check_read+0x11/0x20
[  568.828704]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  568.833988]  ? rcu_bh_qs+0xc0/0xc0
[  568.837545]  ? preempt_schedule+0x4d/0x60
[  568.841704]  ? ___preempt_schedule+0x16/0x18
[  568.846127]  ? bpf_test_run+0x1c0/0x5a0
[  568.850120]  ? netlink_diag_dump+0x2a0/0x2a0
[  568.854539]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  568.860083]  ? bpf_test_init.isra.9+0x70/0x100
[  568.864679]  ? bpf_prog_test_run_skb+0x634/0xb40
[  568.869455]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  568.874298]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  568.879840]  ? fput+0x130/0x1a0
[  568.883127]  ? __bpf_prog_get+0x9b/0x290
[  568.887193]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  568.892039]  ? bpf_prog_test_run+0x130/0x1a0
[  568.896456]  ? __x64_sys_bpf+0x3d8/0x510
[  568.900523]  ? bpf_prog_get+0x20/0x20
[  568.904350]  ? do_syscall_64+0x1b9/0x820
[  568.908422]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  568.913791]  ? syscall_return_slowpath+0x5e0/0x5e0
[  568.918724]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  568.923574]  ? trace_hardirqs_on_caller+0x310/0x310
[  568.928601]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  568.933627]  ? prepare_exit_to_usermode+0x291/0x3b0
[  568.938653]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  568.943518]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  568.948901] warn_alloc_show_mem: 1 callbacks suppressed
[  568.948914] CPU: 1 PID: 11390 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  568.948915] Mem-Info:
[  568.948946] active_anon:122480 inactive_anon:112 isolated_anon:0
[  568.948946]  active_file:16 inactive_file:5 isolated_file:0
[  568.948946]  unevictable:0 dirty:0 writeback:0 unstable:0
[  568.948946]  slab_reclaimable:9164 slab_unreclaimable:1399977
[  568.948946]  mapped:40962 shmem:118 pagetables:796 bounce:0
[  568.948946]  free:13728 free_pcp:0 free_cma:0
[  568.954293] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  568.961658] Node 0 active_anon:489920kB inactive_anon:448kB active_file:64kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:472kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 471040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  568.964055] Call Trace:
[  568.996746] Node 0 
[  569.006090]  <IRQ>
[  569.033608] 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
[  569.036178]  dump_stack+0x1c4/0x2b4
[  569.038371] lowmem_reserve[]: 0
[  569.040526]  ? dump_stack_print_info.cold.2+0x52/0x52
[  569.066005]  2813 6317
[  569.069661]  warn_alloc.cold.119+0xb7/0x1bd
[  569.072893]  6317
[  569.078104]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  569.080578] Node 0 
[  569.084895]  ? lock_downgrade+0x900/0x900
[  569.086962] DMA32 free:25276kB min:30028kB low:37532kB high:45036kB active_anon:12288kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2884608kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  569.091774]  ? trace_hardirqs_off+0xb8/0x310
[  569.093982] lowmem_reserve[]: 0
[  569.098144]  ? trace_hardirqs_off+0xb8/0x310
[  569.125705]  0 3503
[  569.130145]  __alloc_pages_slowpath+0x2667/0x2d80
[  569.133391]  3503
[  569.137827]  ? warn_alloc+0x120/0x120
[  569.140014] Node 0 
[  569.144851]  ? trace_hardirqs_on+0x310/0x310
[  569.147268] Normal free:13728kB min:37384kB low:46728kB high:56072kB active_anon:477632kB inactive_anon:448kB active_file:64kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3587276kB mlocked:0kB kernel_stack:5408kB pagetables:3184kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  569.151568]  ? warn_alloc+0x120/0x120
[  569.153784] lowmem_reserve[]:
[  569.158190]  ? print_usage_bug+0xc0/0xc0
[  569.186444]  0 0
[  569.190262]  ? warn_alloc+0x120/0x120
[  569.193336]  0 0
[  569.197394]  ? ktime_get+0x2e1/0x440
[  569.197421]  ? print_usage_bug+0xc0/0xc0
[  569.199378] Node 0 
[  569.203177]  ? __lock_acquire+0x7ec/0x4ec0
[  569.205120] DMA: 1*4kB 
[  569.208842]  ? __lock_acquire+0x7ec/0x4ec0
[  569.212891] (U) 
[  569.215132]  ? kasan_check_read+0x11/0x20
[  569.219339] 0*8kB 0*16kB 
[  569.221930]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  569.226138] 1*32kB 
[  569.228109]  ? should_fail+0x22d/0xd01
[  569.232231] (U) 
[  569.234986]  ? rcu_bh_qs+0xc0/0xc0
[  569.240490] 2*64kB (U) 
[  569.242736]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  569.246596] 1*128kB (U) 
[  569.248579]  ? __lock_acquire+0x7ec/0x4ec0
[  569.252086] 1*256kB (U) 
[  569.254679]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  569.259763] 0*512kB 
[  569.262442]  ? __lock_acquire+0x7ec/0x4ec0
[  569.266647] 1*1024kB (U) 
[  569.269331]  ? should_fail+0x22d/0xd01
[  569.274407] 1*2048kB 
[  569.276737]  ? rcu_idle_enter+0x4b0/0x4b0
[  569.280943] (M) 
[  569.283698]  ? mark_held_locks+0x130/0x130
[  569.287553] 3*4096kB (M) 
[  569.289966]  ? mark_held_locks+0x130/0x130
[  569.294093] = 15908kB
[  569.296065]  ? mark_held_locks+0xc7/0x130
[  569.300274] Node 0 
[  569.303031]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  569.307232] DMA32: 5*4kB 
[  569.309647]  ? graph_lock+0x170/0x170
[  569.313769] (UM) 
[  569.316006]  ? print_usage_bug+0xc0/0xc0
[  569.320996] 1*8kB (U) 
[  569.323760]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  569.327537] 4*16kB 
[  569.329593]  ? check_preemption_disabled+0x48/0x200
[  569.333631] (UM) 
[  569.336127]  ? check_preemption_disabled+0x48/0x200
[  569.341642] 3*32kB 
[  569.343883]  ? __lock_is_held+0xb5/0x140
[  569.348858] (UM) 4*64kB 
[  569.351195]  __alloc_pages_nodemask+0xa80/0xde0
[  569.356183] (M) 
[  569.358422]  ? graph_lock+0x170/0x170
[  569.362457] 4*128kB (UM) 
[  569.365131]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  569.369768] 3*256kB (M) 
[  569.371755]  ? graph_lock+0x170/0x170
[  569.375529] 4*512kB (UM) 
[  569.378304]  ? find_held_lock+0x36/0x1c0
[  569.383373] 3*1024kB (UM) 
[  569.386056]  ? ____cache_alloc_node+0x1c7/0x1e0
[  569.389821] 3*2048kB (UM) 
[  569.392585]  ? lock_downgrade+0x900/0x900
[  569.396617] 3*4096kB (M) 
[  569.399472]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  569.404111] = 25276kB
[  569.406956]  cache_grow_begin+0x91/0x8c0
[  569.411077] Node 0 
[  569.413831]  ? do_raw_spin_unlock+0xa7/0x2f0
[  569.419350] Normal: 
[  569.421765]  fallback_alloc+0x203/0x2e0
[  569.425798] 1058*4kB 
[  569.428036]  ____cache_alloc_node+0x1c7/0x1e0
[  569.432429] (UMEH) 
[  569.434760]  kmem_cache_alloc_node+0xe3/0x730
[  569.438698] 417*8kB (UMEH) 
[  569.441115]  ? ipv6_get_ifaddr+0x42e/0x620
[  569.445583] 179*16kB 
[  569.447828]  __alloc_skb+0x119/0x770
[  569.452291] (UME) 
[  569.455223]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  569.459438] 63*32kB 
[  569.461850]  ? skb_scrub_packet+0x490/0x490
[  569.465537] (UMEH) 
[  569.467693]  ? lock_downgrade+0x900/0x900
[  569.472948] 21*64kB 
[  569.475279]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  569.479568] (UMH) 
[  569.481803]  ? refcount_sub_and_test_checked+0x203/0x310
[  569.485917] 2*128kB (MH) 
[  569.488248]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  569.493767] 0*256kB 
[  569.495918]  ? addrconf_rs_timer+0x6f0/0x6f0
[  569.501335] 0*512kB 0*1024kB 
[  569.504109]  ndisc_alloc_skb+0x144/0x340
[  569.509536] 0*2048kB 
[  569.512116]  ndisc_send_rs+0x331/0x6e0
[  569.517102] 0*4096kB = 14048kB
[  569.520213]  addrconf_rs_timer+0x3c0/0x6f0
[  569.524255] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  569.526658]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  569.530533] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  569.533726]  call_timer_fn+0x272/0x920
[  569.537924] 164 total pagecache pages
[  569.546754]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  569.550970] 0 pages in swap cache
[  569.559538]  ? process_timeout+0x40/0x40
[  569.563403] Swap cache stats: add 0, delete 0, find 0/0
[  569.567213]  ? find_held_lock+0x36/0x1c0
[  569.571428] Free swap  = 0kB
[  569.574886]  ? __run_timers+0x7da/0xc70
[  569.578916] Total swap = 0kB
[  569.584279]  ? _raw_spin_unlock_irq+0x27/0x80
[  569.588317] 1965979 pages RAM
[  569.591334]  ? _raw_spin_unlock_irq+0x27/0x80
[  569.595280] 0 pages HighMem/MovableOnly
[  569.595289] 344031 pages reserved
[  569.598306]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  569.602774] 0 pages cma reserved
[  569.605875]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  569.610571] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  569.614374]  ? trace_hardirqs_on+0xbd/0x310
[  569.617804] syz-executor4 cpuset=
[  569.622029]  ? kasan_check_read+0x11/0x20
[  569.622048]  ? __run_timers+0x7da/0xc70
[  569.625394] syz4
[  569.629980]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  569.640447]  mems_allowed=0
[  569.644772]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  569.670838]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  569.675078]  __run_timers+0x7e5/0xc70
[  569.678895]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  569.684262]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  569.689285]  ? graph_lock+0x170/0x170
[  569.693093]  ? enqueue_hrtimer+0x1a5/0x560
[  569.697327]  ? lock_release+0x970/0x970
[  569.701303]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  569.706507]  ? find_held_lock+0x36/0x1c0
[  569.710577]  ? graph_lock+0x170/0x170
[  569.714386]  ? pvclock_read_flags+0x160/0x160
[  569.718897]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  569.724442]  ? check_preemption_disabled+0x48/0x200
[  569.729478]  ? __lock_is_held+0xb5/0x140
[  569.733543]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  569.739085]  ? check_preemption_disabled+0x48/0x200
[  569.744117]  run_timer_softirq+0x52/0xb0
[  569.748189]  ? rcu_read_lock_sched_held+0x108/0x120
[  569.753210]  __do_softirq+0x30b/0xad8
[  569.757023]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  569.762135]  ? pvclock_read_flags+0x160/0x160
[  569.766635]  ? lapic_next_event+0x5a/0x90
[  569.770790]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  569.776337]  ? check_preemption_disabled+0x48/0x200
[  569.781356]  ? check_preemption_disabled+0x48/0x200
[  569.786381]  ? kvm_clock_read+0x18/0x30
[  569.790369]  ? kvm_sched_clock_read+0x9/0x20
[  569.795911]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  569.801454]  ? check_preemption_disabled+0x48/0x200
[  569.806489]  irq_exit+0x17f/0x1c0
[  569.809949]  smp_apic_timer_interrupt+0x1cb/0x760
[  569.814793]  ? smp_reschedule_interrupt+0x109/0x650
[  569.819812]  ? smp_call_function_single_interrupt+0x650/0x650
[  569.825702]  ? interrupt_entry+0xb5/0xf0
[  569.829774]  ? trace_hardirqs_off_caller+0xbb/0x310
[  569.834790]  ? trace_hardirqs_off_caller+0xbb/0x310
[  569.839810]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  569.844655]  ? trace_hardirqs_on_caller+0x310/0x310
[  569.849670]  ? trace_hardirqs_on_caller+0x310/0x310
[  569.854690]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  569.860232]  ? check_preemption_disabled+0x48/0x200
[  569.865250]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  569.871657]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  569.876516]  apic_timer_interrupt+0xf/0x20
[  569.880748]  </IRQ>
[  569.882989] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  569.887920] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  569.906828] RSP: 0000:ffff8801866cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  569.914542] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  569.921809] RDX: 0000000000000000 RSI: ffff8801ce554f00 RDI: 0000000000000286
[  569.929080] RBP: ffff8801866cf7b0 R08: ffff8801ce554680 R09: 0000000000000000
[  569.936347] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  569.943618] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  569.950937]  skb_clone+0x1bb/0x500
[  569.954487]  ? finish_task_switch+0x2f5/0x900
[  569.958996]  ? skb_split+0x11e0/0x11e0
[  569.962895]  ? preempt_notifier_register+0x200/0x200
[  569.968002]  ? __switch_to_asm+0x34/0x70
[  569.972067]  ? __switch_to_asm+0x34/0x70
[  569.976135]  ? __switch_to_asm+0x40/0x70
[  569.980203]  ? __switch_to_asm+0x34/0x70
[  569.984267]  ? __switch_to_asm+0x40/0x70
[  569.988335]  ? __switch_to_asm+0x34/0x70
[  569.992400]  ? __switch_to_asm+0x40/0x70
[  569.996472]  ? __switch_to_asm+0x34/0x70
[  570.000541]  ? __switch_to_asm+0x34/0x70
[  570.004606]  ? __switch_to_asm+0x40/0x70
[  570.008669]  ? __switch_to_asm+0x34/0x70
[  570.012740]  bpf_clone_redirect+0xb9/0x490
[  570.016988]  ? __schedule+0x874/0x1ed0
[  570.020891]  bpf_prog_3d1649e183dc2cc1+0x379/0x1000
[  570.025915]  ? __sched_text_start+0x8/0x8
[  570.030084]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  570.034869]  ? find_held_lock+0x36/0x1c0
[  570.038948]  ? lock_acquire+0x1ed/0x520
[  570.042928]  ? bpf_test_run+0x32e/0x5a0
[  570.046914]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  570.052888]  ? check_preemption_disabled+0x48/0x200
[  570.057916]  ? kasan_check_read+0x11/0x20
[  570.062339]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  570.067622]  ? rcu_bh_qs+0xc0/0xc0
[  570.071165]  ? preempt_schedule+0x4d/0x60
[  570.075326]  ? ___preempt_schedule+0x16/0x18
[  570.079748]  ? bpf_test_run+0x1c0/0x5a0
[  570.083916]  ? netlink_diag_dump+0x2a0/0x2a0
[  570.090075]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  570.095618]  ? bpf_test_init.isra.9+0x70/0x100
[  570.100219]  ? bpf_prog_test_run_skb+0x634/0xb40
[  570.104991]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  570.109841]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  570.115383]  ? fput+0x130/0x1a0
[  570.118674]  ? __bpf_prog_get+0x9b/0x290
[  570.122745]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  570.127587]  ? bpf_prog_test_run+0x130/0x1a0
[  570.132002]  ? __x64_sys_bpf+0x3d8/0x510
[  570.136067]  ? bpf_prog_get+0x20/0x20
[  570.139895]  ? do_syscall_64+0x1b9/0x820
[  570.143959]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  570.149340]  ? syscall_return_slowpath+0x5e0/0x5e0
[  570.154285]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  570.159150]  ? trace_hardirqs_on_caller+0x310/0x310
[  570.164191]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  570.169215]  ? prepare_exit_to_usermode+0x291/0x3b0
[  570.174244]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  570.179099]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  570.184488] CPU: 0 PID: 11399 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  570.184520] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[  570.191848] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  570.191857] Call Trace:
[  570.208028]  <IRQ>
[  570.211202] rcu: 	(detected by 1, t=10580 jiffies, g=23981, q=5)
[  570.213965]  dump_stack+0x1c4/0x2b4
[  570.213984]  ? dump_stack_print_info.cold.2+0x52/0x52
[  570.220548] rcu: All QSes seen, last rcu_preempt kthread activity 10558 (4294994170-4294983612), jiffies_till_next_fqs=1, root ->qsmask 0x0
[  570.224171]  warn_alloc.cold.119+0xb7/0x1bd
[  570.229331] syz-executor4   R
[  570.241984]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  570.246278]   running task    
[  570.249380]  ? lock_downgrade+0x900/0x900
[  570.254211] 21064 11390   8555 0x8000000c
[  570.257398]  ? trace_hardirqs_off+0xb8/0x310
[  570.261517] Call Trace:
[  570.265664]  ? trace_hardirqs_off+0xb8/0x310
[  570.270049]  <IRQ>
[  570.272643]  __alloc_pages_slowpath+0x2667/0x2d80
[  570.277046]  sched_show_task.cold.83+0x2b6/0x30a
[  570.279212]  ? warn_alloc+0x120/0x120
[  570.284022]  ? can_nice.part.74+0x20/0x20
[  570.288760]  ? ktime_get+0x2e1/0x440
[  570.292547]  ? vprintk_default+0x28/0x30
[  570.296687]  ? warn_alloc+0x120/0x120
[  570.300376]  ? vprintk_func+0x85/0x181
[  570.304431]  ? print_usage_bug+0xc0/0xc0
[  570.308215]  ? vprintk_func+0x85/0x181
[  570.313218]  ? warn_alloc+0x120/0x120
[  570.318398]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  570.322711]  ? print_usage_bug+0xc0/0xc0
[  570.326498]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  570.331247]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  570.335286]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  570.340028]  ? should_fail+0x22d/0xd01
[  570.345557]  print_other_cpu_stall.cold.79+0xa83/0xba5
[  570.351079]  ? __lock_acquire+0x7ec/0x4ec0
[  570.354958]  ? wake_up_klogd+0x180/0x180
[  570.360224]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  570.364455]  ? print_cpu_stall+0x1c0/0x1c0
[  570.368691]  ? __lock_acquire+0x7ec/0x4ec0
[  570.373789]  ? graph_lock+0x170/0x170
[  570.378008]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  570.382230]  ? print_usage_bug+0xc0/0xc0
[  570.386008]  ? __lock_acquire+0x7ec/0x4ec0
[  570.386027]  ? should_fail+0x22d/0xd01
[  570.391130]  ? lock_downgrade+0x900/0x900
[  570.395186]  ? mark_held_locks+0x130/0x130
[  570.399426]  ? check_preemption_disabled+0x48/0x200
[  570.403306]  ? mark_held_locks+0x130/0x130
[  570.407448]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  570.411677]  ? graph_lock+0x170/0x170
[  570.416670]  ? check_preemption_disabled+0x48/0x200
[  570.420898]  ? print_usage_bug+0xc0/0xc0
[  570.426427]  ? check_preemption_disabled+0x48/0x200
[  570.430217]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  570.435217]  ? rcu_test_sync_prims+0x30/0x30
[  570.439260]  ? check_preemption_disabled+0x48/0x200
[  570.444262]  ? __lock_is_held+0xb5/0x140
[  570.449781]  ? check_preemption_disabled+0x48/0x200
[  570.454182]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  570.459183]  ? __lock_is_held+0xb5/0x140
[  570.463233]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  570.468237]  __alloc_pages_nodemask+0xa80/0xde0
[  570.473756]  ? check_preemption_disabled+0x48/0x200
[  570.477802]  ? graph_lock+0x170/0x170
[  570.483501]  rcu_check_callbacks+0xafc/0x1990
[  570.488150]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  570.493164]  ? rcu_cpu_stall_reset+0x220/0x220
[  570.497099]  ? graph_lock+0x170/0x170
[  570.497115]  ? find_held_lock+0x36/0x1c0
[  570.497130]  ? ____cache_alloc_node+0x1c7/0x1e0
[  570.497139]  ? lock_downgrade+0x900/0x900
[  570.497152]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  570.497163]  cache_grow_begin+0x91/0x8c0
[  570.497172]  ? do_raw_spin_unlock+0xa7/0x2f0
[  570.497193]  fallback_alloc+0x203/0x2e0
[  570.497213]  ____cache_alloc_node+0x1c7/0x1e0
[  570.501702]  ? lock_release+0x970/0x970
[  570.506710]  kmem_cache_alloc_node+0xe3/0x730
[  570.511288]  ? graph_lock+0x170/0x170
[  570.515080]  ? ipv6_get_ifaddr+0x42e/0x620
[  570.519133]  ? graph_lock+0x170/0x170
[  570.523802]  __alloc_skb+0x119/0x770
[  570.527926]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  570.533456]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  570.537501]  ? pvclock_gtod_notify+0x2e3/0x3e0
[  570.541893]  ? skb_scrub_packet+0x490/0x490
[  570.545853]  ? kvm_vcpu_ready_for_interrupt_injection+0x1a0/0x1a0
[  570.550335]  ? lock_downgrade+0x900/0x900
[  570.554309]  ? graph_lock+0x170/0x170
[  570.558784]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  570.562571]  ? timekeeping_advance+0x3cc/0xc00
[  570.566794]  ? refcount_sub_and_test_checked+0x203/0x310
[  570.570581]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  570.574279]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  570.579808]  ? check_preemption_disabled+0x48/0x200
[  570.585073]  ? addrconf_rs_timer+0x6f0/0x6f0
[  570.589638]  ? check_preemption_disabled+0x48/0x200
[  570.593950]  ndisc_alloc_skb+0x144/0x340
[  570.600164]  ? trace_hardirqs_off+0xb8/0x310
[  570.604292]  ndisc_send_rs+0x331/0x6e0
[  570.608077]  ? __lock_is_held+0xb5/0x140
[  570.613605]  addrconf_rs_timer+0x3c0/0x6f0
[  570.618171]  ? trace_hardirqs_on+0x310/0x310
[  570.623611]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  570.629140]  ? check_preemption_disabled+0x48/0x200
[  570.634601]  call_timer_fn+0x272/0x920
[  570.639613]  ? raise_softirq+0x199/0x420
[  570.644002]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  570.649005]  ? raise_softirq_irqoff+0x2e0/0x2e0
[  570.653057]  ? process_timeout+0x40/0x40
[  570.657451]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  570.661325]  ? find_held_lock+0x36/0x1c0
[  570.665374]  ? check_preemption_disabled+0x48/0x200
[  570.669597]  ? __run_timers+0x7da/0xc70
[  570.673986]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  570.678210]  ? _raw_spin_unlock_irq+0x27/0x80
[  570.683208]  ? hrtimer_run_queues+0x9a/0x400
[  570.687083]  ? _raw_spin_unlock_irq+0x27/0x80
[  570.691128]  ? run_local_timers+0x19b/0x230
[  570.695348]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  570.700008]  ? timer_clear_idle+0x90/0x90
[  570.704060]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  570.709581]  ? debug_smp_processor_id+0x1c/0x20
[  570.713626]  ? trace_hardirqs_on+0xbd/0x310
[  570.718632]  ? irqtime_account_process_tick.isra.6+0x114/0x490
[  570.722587]  ? kasan_check_read+0x11/0x20
[  570.728116]  ? account_process_tick+0x282/0x350
[  570.732594]  ? __run_timers+0x7da/0xc70
[  570.736989]  update_process_times+0x2d/0x70
[  570.741473]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  570.745955]  tick_sched_handle+0x9f/0x180
[  570.751237]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  570.756705]  tick_sched_timer+0x45/0x130
[  570.761278]  __run_timers+0x7e5/0xc70
[  570.765929]  __hrtimer_run_queues+0x41c/0x10d0
[  570.770246]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  570.776202]  ? tick_sched_do_timer+0x1a0/0x1a0
[  570.780332]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  570.784988]  ? hrtimer_start_range_ns+0xe00/0xe00
[  570.788946]  ? graph_lock+0x170/0x170
[  570.793258]  ? pvclock_read_flags+0x160/0x160
[  570.798694]  ? enqueue_hrtimer+0x1a5/0x560
[  570.802824]  ? trace_hardirqs_on+0x310/0x310
[  570.807045]  ? lock_release+0x970/0x970
[  570.811100]  ? kvm_clock_read+0x18/0x30
[  570.814880]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  570.819457]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  570.824811]  ? find_held_lock+0x36/0x1c0
[  570.829375]  ? ktime_get_update_offsets_now+0x3b6/0x550
[  570.834386]  ? graph_lock+0x170/0x170
[  570.839207]  ? do_timer+0x50/0x50
[  570.843004]  ? pvclock_read_flags+0x160/0x160
[  570.847491]  ? trace_hardirqs_on+0x310/0x310
[  570.851712]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  570.856109]  ? do_raw_spin_lock+0xc1/0x200
[  570.860070]  ? check_preemption_disabled+0x48/0x200
[  570.864041]  hrtimer_interrupt+0x313/0x780
[  570.869234]  ? __lock_is_held+0xb5/0x140
[  570.874259]  smp_apic_timer_interrupt+0x1a1/0x760
[  570.878302]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  570.883651]  ? smp_call_function_single_interrupt+0x650/0x650
[  570.887440]  ? check_preemption_disabled+0x48/0x200
[  570.890884]  ? interrupt_entry+0xb5/0xf0
[  570.895372]  run_timer_softirq+0x52/0xb0
[  570.899762]  ? trace_hardirqs_off_caller+0xbb/0x310
[  570.905287]  ? rcu_read_lock_sched_held+0x108/0x120
[  570.909513]  ? ____cache_alloc_node+0x1c7/0x1e0
[  570.914515]  __do_softirq+0x30b/0xad8
[  570.918742]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  570.922788]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  570.927610]  ? trace_hardirqs_on_caller+0x310/0x310
[  570.933135]  ? pvclock_read_flags+0x160/0x160
[  570.939016]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  570.944012]  ? lapic_next_event+0x5a/0x90
[  570.948065]  apic_timer_interrupt+0xf/0x20
[  570.952116]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  570.957120] RIP: 0010:kmem_cache_alloc_node+0x247/0x730
[  570.962117]  ? check_preemption_disabled+0x48/0x200
[  570.966769] Code: 40 7e 0f 85 32 ff ff ff e8 e5 a9 3e ff e9 28 ff ff ff e8 fc 1b c3 ff 48 83 3d bc 66 b0 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 bf fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  570.970551]  ? check_preemption_disabled+0x48/0x200
[  570.970573]  ? kvm_clock_read+0x18/0x30
[  570.975397] RSP: 0000:ffff8801dad07450 EFLAGS: 00000286
[  570.980503]  ? kvm_sched_clock_read+0x9/0x20
[  570.985503]  ORIG_RAX: ffffffffffffff13
[  570.990011]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  570.994837] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff10039caa9e9
[  570.998980]  ? check_preemption_disabled+0x48/0x200
[  571.003194] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286
[  571.008730]  irq_exit+0x17f/0x1c0
[  571.014059] RBP: ffff8801dad074c0 R08: ffff8801ce554f48 R09: 0000000000000002
[  571.014072] R10: 0000000000000000 R11: ffff8801ce554680 R12: ffff8801d9be7680
[  571.019079]  smp_apic_timer_interrupt+0x1cb/0x760
[  571.037968] R13: ffff8801d9be7680 R14: 0000000000000000 R15: 0000000000000286
[  571.042979]  ? smp_reschedule_interrupt+0x109/0x650
[  571.046936]  ? apic_timer_interrupt+0xa/0x20
[  571.052286]  ? smp_call_function_single_interrupt+0x650/0x650
[  571.056696]  ? ipv6_get_ifaddr+0x42e/0x620
[  571.060654]  ? interrupt_entry+0xb5/0xf0
[  571.066192]  __alloc_skb+0x119/0x770
[  571.073447]  ? trace_hardirqs_off_caller+0xbb/0x310
[  571.078454]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  571.085715]  ? trace_hardirqs_off_caller+0xbb/0x310
[  571.089159]  ? skb_scrub_packet+0x490/0x490
[  571.096430]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  571.103696]  ? lock_downgrade+0x900/0x900
[  571.103719]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  571.108566]  ? trace_hardirqs_on_caller+0x310/0x310
[  571.115834]  ? refcount_sub_and_test_checked+0x203/0x310
[  571.120830]  ? trace_hardirqs_on_caller+0x310/0x310
[  571.125222]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  571.131094]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  571.135314]  ? addrconf_rs_timer+0x6f0/0x6f0
[  571.139362]  ? check_preemption_disabled+0x48/0x200
[  571.143071]  ndisc_alloc_skb+0x144/0x340
[  571.148070]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  571.153336]  ndisc_send_rs+0x331/0x6e0
[  571.158346]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  571.162648]  addrconf_rs_timer+0x3c0/0x6f0
[  571.167482]  apic_timer_interrupt+0xf/0x20
[  571.171707]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  571.177224]  </IRQ>
[  571.182266]  call_timer_fn+0x272/0x920
[  571.187704] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  571.192702]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  571.198140] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  571.203669]  ? process_timeout+0x40/0x40
[  571.208054] RSP: 0000:ffff8801ba62f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  571.213079]  ? find_held_lock+0x36/0x1c0
[  571.217119] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  571.222666]  ? __run_timers+0x7da/0xc70
[  571.226531] RDX: 0000000000000000 RSI: ffff8801b881aa80 RDI: 0000000000000286
[  571.226545] RBP: ffff8801ba62f7b0 R08: ffff8801b881a200 R09: 0000000000000000
[  571.231394]  ? _raw_spin_unlock_irq+0x27/0x80
[  571.235600] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  571.239849]  ? _raw_spin_unlock_irq+0x27/0x80
[  571.244057] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  571.244107]  skb_clone+0x1bb/0x500
[  571.246298]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  571.250175]  ? finish_task_switch+0x1b5/0x900
[  571.255091]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  571.259310]  ? skb_split+0x11e0/0x11e0
[  571.278204]  ? trace_hardirqs_on+0xbd/0x310
[  571.282251]  ? preempt_notifier_register+0x200/0x200
[  571.289941]  ? kasan_check_read+0x11/0x20
[  571.293986]  ? __switch_to_asm+0x34/0x70
[  571.294003]  ? __switch_to_asm+0x34/0x70
[  571.301269]  ? __run_timers+0x7da/0xc70
[  571.305261]  ? __switch_to_asm+0x40/0x70
[  571.312529]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  571.319792]  ? __switch_to_asm+0x34/0x70
[  571.324272]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  571.331531]  ? __switch_to_asm+0x40/0x70
[  571.336014]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  571.343286]  ? __switch_to_asm+0x34/0x70
[  571.343305]  ? __switch_to_asm+0x40/0x70
[  571.346876]  __run_timers+0x7e5/0xc70
[  571.351089]  ? __switch_to_asm+0x34/0x70
[  571.351106]  ? __switch_to_asm+0x34/0x70
[  571.355604]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  571.360153]  ? __switch_to_asm+0x40/0x70
[  571.360170]  ? __switch_to_asm+0x34/0x70
[  571.364051]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  571.368597]  bpf_clone_redirect+0xb9/0x490
[  571.373691]  ? graph_lock+0x170/0x170
[  571.377821]  ? __schedule+0x874/0x1ed0
[  571.381869]  ? enqueue_hrtimer+0x1a5/0x560
[  571.385915]  bpf_prog_3d1649e183dc2cc1+0xcce/0x1000
[  571.389876]  ? lock_release+0x970/0x970
[  571.393922]  ? __sched_text_start+0x8/0x8
[  571.399359]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  571.403420]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  571.407640]  ? find_held_lock+0x36/0x1c0
[  571.411692]  ? find_held_lock+0x36/0x1c0
[  571.415908]  ? graph_lock+0x170/0x170
[  571.419955]  ? lock_acquire+0x1ed/0x520
[  571.423997]  ? pvclock_read_flags+0x160/0x160
[  571.427785]  ? bpf_test_run+0x32e/0x5a0
[  571.431837]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  571.435882]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  571.441237]  ? check_preemption_disabled+0x48/0x200
[  571.445289]  ? check_preemption_disabled+0x48/0x200
[  571.449347]  ? __lock_is_held+0xb5/0x140
[  571.454345]  ? kasan_check_read+0x11/0x20
[  571.458582]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  571.462387]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  571.466269]  ? check_preemption_disabled+0x48/0x200
[  571.470497]  ? rcu_bh_qs+0xc0/0xc0
[  571.475501]  run_timer_softirq+0x52/0xb0
[  571.479462]  ? preempt_schedule+0x4d/0x60
[  571.483601]  ? rcu_read_lock_sched_held+0x108/0x120
[  571.488777]  ? ___preempt_schedule+0x16/0x18
[  571.493517]  __do_softirq+0x30b/0xad8
[  571.497569]  ? bpf_test_run+0x1c0/0x5a0
[  571.501620]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  571.505408]  ? netlink_diag_dump+0x2a0/0x2a0
[  571.509369]  ? pvclock_read_flags+0x160/0x160
[  571.513849]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  571.517803]  ? lapic_next_event+0x5a/0x90
[  571.523327]  ? bpf_test_init.isra.9+0x70/0x100
[  571.528858]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  571.533861]  ? bpf_prog_test_run_skb+0x634/0xb40
[  571.538864]  ? check_preemption_disabled+0x48/0x200
[  571.542913]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  571.547043]  ? check_preemption_disabled+0x48/0x200
[  571.552566]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  571.557829]  ? kvm_clock_read+0x18/0x30
[  571.562830]  ? fput+0x130/0x1a0
[  571.566364]  ? kvm_sched_clock_read+0x9/0x20
[  571.570410]  ? __bpf_prog_get+0x9b/0x290
[  571.574556]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  571.579565]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  571.583969]  ? check_preemption_disabled+0x48/0x200
[  571.587766]  ? bpf_prog_test_run+0x130/0x1a0
[  571.591736]  irq_exit+0x17f/0x1c0
[  571.596814]  ? __x64_sys_bpf+0x3d8/0x510
[  571.601217]  smp_apic_timer_interrupt+0x1cb/0x760
[  571.605697]  ? bpf_prog_get+0x20/0x20
[  571.611220]  ? smp_reschedule_interrupt+0x109/0x650
[  571.615369]  ? do_syscall_64+0x1b9/0x820
[  571.619923]  ? smp_call_function_single_interrupt+0x650/0x650
[  571.625453]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  571.630211]  ? interrupt_entry+0xb5/0xf0
[  571.635216]  ? syscall_return_slowpath+0x5e0/0x5e0
[  571.640041]  ? trace_hardirqs_off_caller+0xbb/0x310
[  571.645042]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  571.650568]  ? trace_hardirqs_off_caller+0xbb/0x310
[  571.654529]  ? trace_hardirqs_on_caller+0x310/0x310
[  571.657800]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  571.662191]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  571.662209]  ? prepare_exit_to_usermode+0x291/0x3b0
[  571.666260]  ? trace_hardirqs_on_caller+0x310/0x310
[  571.671787]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  571.676612]  ? trace_hardirqs_on_caller+0x310/0x310
[  571.681620]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  571.686011]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  571.689464] warn_alloc_show_mem: 1 callbacks suppressed
[  571.689471] Mem-Info:
[  571.693502]  ? check_preemption_disabled+0x48/0x200
[  571.698347] active_anon:122480 inactive_anon:112 isolated_anon:0
[  571.698347]  active_file:16 inactive_file:5 isolated_file:0
[  571.698347]  unevictable:0 dirty:0 writeback:0 unstable:0
[  571.698347]  slab_reclaimable:9164 slab_unreclaimable:1399977
[  571.698347]  mapped:40962 shmem:118 pagetables:796 bounce:0
[  571.698347]  free:13728 free_pcp:0 free_cma:0
[  571.702132]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  571.707164] Node 0 active_anon:489920kB inactive_anon:448kB active_file:64kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:472kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 471040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  571.711217]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  571.717066] Node 0 
[  571.722440]  apic_timer_interrupt+0xf/0x20
[  571.726496] 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
[  571.731387]  </IRQ>
[  571.736382] lowmem_reserve[]: 0
[  571.741243] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  571.746227]  2813
[  571.751238] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  571.756047]  6317 6317
[  571.761066] RSP: 0000:ffff8801866cf748 EFLAGS: 00000286
[  571.771068]  ORIG_RAX: ffffffffffffff13
[  571.775896] Node 0 
[  571.780902] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  571.786270] DMA32 free:25276kB min:30028kB low:37532kB high:45036kB active_anon:12288kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2884608kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  571.791768] RDX: 0000000000000000 RSI: ffff8801ce554f00 RDI: 0000000000000286
[  571.797112] lowmem_reserve[]:
[  571.799521] RBP: ffff8801866cf7b0 R08: ffff8801ce554680 R09: 0000000000000000
[  571.804546]  0
[  571.837250] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  571.837264] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  571.842899]  0
[  571.870441]  skb_clone+0x1bb/0x500
[  571.875223]  3503
[  571.877475]  ? finish_task_switch+0x2f5/0x900
[  571.881689]  3503
[  571.907198]  ? skb_split+0x11e0/0x11e0
[  571.912699]  ? preempt_notifier_register+0x200/0x200
[  571.917603] Node 0 
[  571.919663]  ? __switch_to_asm+0x34/0x70
[  571.938585] Normal free:13728kB min:37384kB low:46728kB high:56072kB active_anon:477632kB inactive_anon:448kB active_file:64kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3587276kB mlocked:0kB kernel_stack:5408kB pagetables:3184kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  571.941064]  ? __switch_to_asm+0x34/0x70
[  571.946392] lowmem_reserve[]: 0
[  571.950420]  ? __switch_to_asm+0x40/0x70
[  571.950439]  ? __switch_to_asm+0x34/0x70
[  571.952657]  0
[  571.959926]  ? __switch_to_asm+0x40/0x70
[  571.986792]  0
[  571.994066]  ? __switch_to_asm+0x34/0x70
[  571.997143]  0
[  572.004421]  ? __switch_to_asm+0x40/0x70
[  572.013470]  ? __switch_to_asm+0x34/0x70
[  572.020715] Node 0 
[  572.022513]  ? __switch_to_asm+0x34/0x70
[  572.026028] DMA: 
[  572.028089]  ? __switch_to_asm+0x40/0x70
[  572.032560] 1*4kB 
[  572.034617]  ? __switch_to_asm+0x34/0x70
[  572.038477] (U) 
[  572.043584]  bpf_clone_redirect+0xb9/0x490
[  572.045796] 0*8kB 
[  572.049852]  ? __schedule+0x874/0x1ed0
[  572.077867] 0*16kB 
[  572.081934]  bpf_prog_3d1649e183dc2cc1+0x379/0x1000
[  572.085186] 1*32kB 
[  572.089246]  ? __sched_text_start+0x8/0x8
[  572.093277] (U) 
[  572.095083]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  572.099109] 2*64kB (U) 
[  572.100928]  ? find_held_lock+0x36/0x1c0
[  572.104959] 1*128kB 
[  572.106761]  ? lock_acquire+0x1ed/0x520
[  572.110793] (U) 
[  572.114853]  ? bpf_test_run+0x32e/0x5a0
[  572.117065] 1*256kB 
[  572.121124]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  572.123163] (U) 
[  572.127225]  ? check_preemption_disabled+0x48/0x200
[  572.129355] 0*512kB 
[  572.133408]  ? kasan_check_read+0x11/0x20
[  572.135366] 1*1024kB 
[  572.139605]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  572.141727] (U) 
[  572.145610]  ? rcu_bh_qs+0xc0/0xc0
[  572.147822] 1*2048kB 
[  572.152839]  ? preempt_schedule+0x4d/0x60
[  572.155049] (M) 
[  572.159194]  ? ___preempt_schedule+0x16/0x18
[  572.161149] 3*4096kB 
[  572.165906]  ? bpf_test_run+0x1c0/0x5a0
[  572.168461] (M) 
[  572.172531]  ? netlink_diag_dump+0x2a0/0x2a0
[  572.174816] = 15908kB
[  572.174825] Node 0 
[  572.178798]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  572.180746] DMA32: 
[  572.184716]  ? bpf_test_init.isra.9+0x70/0x100
[  572.187013] 5*4kB 
[  572.192560]  ? bpf_prog_test_run_skb+0x634/0xb40
[  572.194518] (UM) 
[  572.199546]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  572.201839] 1*8kB 
[  572.205985]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  572.208364] (U) 
[  572.213633]  ? fput+0x130/0x1a0
[  572.215588] 4*16kB 
[  572.219122]  ? __bpf_prog_get+0x9b/0x290
[  572.221514] (UM) 
[  572.225659]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  572.227602] 3*32kB (UM) 
[  572.232016]  ? bpf_prog_test_run+0x130/0x1a0
[  572.234405] 4*64kB 
[  572.238385]  ? __x64_sys_bpf+0x3d8/0x510
[  572.240339] (M) 
[  572.244745]  ? bpf_prog_get+0x20/0x20
[  572.247136] 4*128kB 
[  572.249382]  ? do_syscall_64+0x1b9/0x820
[  572.254877] (UM) 
[  572.257118]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  572.261680] 3*256kB (M) 
[  572.263846]  ? syscall_return_slowpath+0x5e0/0x5e0
[  572.268571] 4*512kB 
[  572.270636]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  572.275453] (UM) 
[  572.277603]  ? trace_hardirqs_on_caller+0x310/0x310
[  572.283117] 3*1024kB 
[  572.285091]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  572.288334] (UM) 3*2048kB 
[  572.290579]  ? prepare_exit_to_usermode+0x291/0x3b0
[  572.294615] (UM) 
[  572.296680]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  572.301491] 3*4096kB (M) 
[  572.304186]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  572.308555] = 25276kB
[  572.308564] Node 0 
[  572.310824] rcu: rcu_preempt kthread starved for 10558 jiffies! g23981 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
[  572.314854] Normal: 
[  572.316823] rcu: RCU grace-period kthread stack dump:
[  572.320614] 1058*4kB 
[  572.322926] rcu_preempt     R
[  572.326965] (UMEH) 417*8kB 
[  572.329023]   running task    
[  572.334368] (UMEH) 179*16kB 
[  572.337047] 22872    10      2 0x80000000
[  572.341943] (UME) 63*32kB 
[  572.344267] Call Trace:
[  572.349091] (UMEH) 
[  572.351157]  __schedule+0x86c/0x1ed0
[  572.356136] 21*64kB (UMH) 
[  572.358558]  ? __sched_text_start+0x8/0x8
[  572.363540] 2*128kB (MH) 
[  572.366679]  ? __mod_timer+0x6f6/0x1870
[  572.366702]  ? add_timer_on+0x9f0/0x9f0
[  572.371693] 0*256kB 0*512kB 
[  572.373769]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  572.378577] 0*1024kB 0*2048kB 
[  572.381340]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  572.386681] 0*4096kB 
[  572.389090]  ? lockdep_hardirqs_on+0x421/0x5c0
[  572.391304] = 14048kB
[  572.401783]  ? trace_hardirqs_on+0xbd/0x310
[  572.404087] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  572.409268]  ? kasan_check_read+0x11/0x20
[  572.411660] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  572.414758]  ? prepare_to_swait_event+0x25a/0x800
[  572.417661] 164 total pagecache pages
[  572.417685] 0 pages in swap cache
[  572.420871]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  572.423868] Swap cache stats: add 0, delete 0, find 0/0
[  572.428013]  schedule+0xfe/0x460
[  572.430826] Free swap  = 0kB
[  572.430835] Total swap = 0kB
[  572.433430]  ? __schedule+0x1ed0/0x1ed0
[  572.435645] 1965979 pages RAM
[  572.439368]  ? prepare_to_swait_event+0x25a/0x800
[  572.442184] 0 pages HighMem/MovableOnly
[  572.442193] 344031 pages reserved
[  572.446346]  ? __init_swait_queue_head+0x150/0x150
[  572.449073] 0 pages cma reserved
[  572.453045]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  572.457065] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  572.459994]  ? __lockdep_init_map+0x105/0x590
[  572.460013]  ? lockdep_init_map+0x9/0x10
[  572.465157] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  572.468288]  schedule_timeout+0x140/0x260
[  572.473386] syz-executor4 cpuset=
[  572.475794]  ? usleep_range+0x1a0/0x1a0
[  572.480356] syz4
[  572.482767]  ? __next_timer_interrupt+0x1a0/0x1a0
[  572.487062]  mems_allowed=0
[  572.495897]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  572.500443] CPU: 0 PID: 11399 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  572.509498]  rcu_gp_kthread+0x9d9/0x2310
[  572.514520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  572.518334]  ? rcu_gp_init+0x1830/0x1830
[  572.521742] Call Trace:
[  572.527192]  ? update_curr+0x344/0xbe0
[  572.532526]  <IRQ>
[  572.535891]  ? graph_lock+0x170/0x170
[  572.538896]  dump_stack+0x1c4/0x2b4
[  572.541902]  ? __account_cfs_rq_runtime+0x790/0x790
[  572.545863]  ? dump_stack_print_info.cold.2+0x52/0x52
[  572.548952]  ? __lock_acquire+0x7ec/0x4ec0
[  572.553798]  warn_alloc.cold.119+0xb7/0x1bd
[  572.557758]  ? graph_lock+0x170/0x170
[  572.561212]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  572.566144]  ? mark_held_locks+0x130/0x130
[  572.569495]  ? lock_downgrade+0x900/0x900
[  572.574586]  ? __lock_is_held+0xb5/0x140
[  572.581067]  ? trace_hardirqs_off+0xb8/0x310
[  572.585549]  ? __account_cfs_rq_runtime+0x790/0x790
[  572.589600]  ? trace_hardirqs_off+0xb8/0x310
[  572.600080]  ? set_next_entity+0x30c/0xc40
[  572.604213]  __alloc_pages_slowpath+0x2667/0x2d80
[  572.607648]  ? mark_held_locks+0x130/0x130
[  572.611639]  ? warn_alloc+0x120/0x120
[  572.613578]  ? rcu_read_lock_sched_held+0x108/0x120
[  572.618409]  ? warn_alloc+0x120/0x120
[  572.621341]  ? select_task_rq_fair+0x34f0/0x34f0
[  572.626866]  ? print_usage_bug+0xc0/0xc0
[  572.634214]  ? __enqueue_entity+0x10d/0x1f0
[  572.638263]  ? warn_alloc+0x120/0x120
[  572.647607]  ? graph_lock+0x170/0x170
[  572.651652]  ? print_usage_bug+0xc0/0xc0
[  572.654222]  ? add_lock_to_list.isra.26+0x131/0x4b0
[  572.658094]  ? __lock_acquire+0x7ec/0x4ec0
[  572.660230]  ? graph_lock+0x170/0x170
[  572.664020]  ? __lock_acquire+0x7ec/0x4ec0
[  572.667640]  ? add_lock_to_list.isra.26+0x130/0x4b0
[  572.672638]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  572.677826]  ? add_lock_to_list.isra.26+0x130/0x4b0
[  572.682054]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  572.686373]  ? _raw_spin_unlock_irq+0x27/0x80
[  572.690158]  ? should_fail+0x22d/0xd01
[  572.694992]  ? _raw_spin_unlock_irq+0x27/0x80
[  572.699215]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  572.703349]  ? lockdep_hardirqs_on+0x421/0x5c0
[  572.707422]  ? __lock_acquire+0x7ec/0x4ec0
[  572.711801]  ? trace_hardirqs_on+0xbd/0x310
[  572.716800]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  572.721197]  ? kasan_check_read+0x11/0x20
[  572.725424]  ? __lock_acquire+0x7ec/0x4ec0
[  572.730258]  ? mark_held_locks+0x130/0x130
[  572.734476]  ? should_fail+0x22d/0xd01
[  572.738275]  ? audit_watch_handle_event+0x521/0xb80
[  572.743282]  ? mark_held_locks+0x130/0x130
[  572.747063]  ? kasan_check_write+0x14/0x20
[  572.751804]  ? mark_held_locks+0x130/0x130
[  572.755852]  ? finish_task_switch+0x2f5/0x900
[  572.760150]  ? graph_lock+0x170/0x170
[  572.760166]  ? print_usage_bug+0xc0/0xc0
[  572.760185]  ? graph_lock+0x170/0x170
[  572.760210]  ? print_usage_bug+0xc0/0xc0
[  572.760227]  ? wq_watchdog_touch+0x9c/0xfe
[  572.764027]  ? __switch_to_asm+0x40/0x70
[  572.767815]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  572.771865]  ? preempt_notifier_register+0x200/0x200
[  572.776861]  ? check_preemption_disabled+0x48/0x200
[  572.781085]  ? __switch_to_asm+0x34/0x70
[  572.784862]  ? check_preemption_disabled+0x48/0x200
[  572.784888]  ? __lock_is_held+0xb5/0x140
[  572.789102]  ? __switch_to_asm+0x34/0x70
[  572.794128]  __alloc_pages_nodemask+0xa80/0xde0
[  572.799658]  ? __switch_to_asm+0x40/0x70
[  572.804683]  ? graph_lock+0x170/0x170
[  572.810218]  ? __switch_to_asm+0x40/0x70
[  572.814712]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  572.818580]  ? __switch_to_asm+0x34/0x70
[  572.823057]  ? graph_lock+0x170/0x170
[  572.828148]  ? __switch_to_asm+0x40/0x70
[  572.832730]  ? find_held_lock+0x36/0x1c0
[  572.836932]  ? __switch_to_asm+0x34/0x70
[  572.836949]  ? __switch_to_asm+0x34/0x70
[  572.841269]  ? ____cache_alloc_node+0x1c7/0x1e0
[  572.846350]  ? __switch_to_asm+0x40/0x70
[  572.850486]  ? lock_downgrade+0x900/0x900
[  572.854705]  ? __switch_to_asm+0x40/0x70
[  572.858927]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  572.862795]  ? __switch_to_asm+0x34/0x70
[  572.867800]  cache_grow_begin+0x91/0x8c0
[  572.872021]  ? __switch_to_asm+0x40/0x70
[  572.876245]  ? do_raw_spin_unlock+0xa7/0x2f0
[  572.880463]  ? __schedule+0x874/0x1ed0
[  572.884951]  fallback_alloc+0x203/0x2e0
[  572.888734]  ? __switch_to_asm+0x40/0x70
[  572.892787]  ____cache_alloc_node+0x1c7/0x1e0
[  572.896571]  ? __switch_to_asm+0x40/0x70
[  572.900620]  kmem_cache_alloc_node+0xe3/0x730
[  572.904850]  ? graph_lock+0x170/0x170
[  572.908898]  ? ipv6_get_ifaddr+0x42e/0x620
[  572.914435]  ? __sched_text_start+0x8/0x8
[  572.919534]  __alloc_skb+0x119/0x770
[  572.924548]  ? find_held_lock+0x36/0x1c0
[  572.928604]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  572.933608]  ? __kthread_parkme+0xce/0x1a0
[  572.937654]  ? skb_scrub_packet+0x490/0x490
[  572.941702]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  572.946352]  ? lock_downgrade+0x900/0x900
[  572.950400]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  572.954198]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  572.958245]  ? lockdep_hardirqs_on+0x421/0x5c0
[  572.963250]  ? refcount_sub_and_test_checked+0x203/0x310
[  572.967321]  ? trace_hardirqs_on+0xbd/0x310
[  572.971122]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  572.975170]  ? kasan_check_read+0x11/0x20
[  572.979222]  ? addrconf_rs_timer+0x6f0/0x6f0
[  572.983270]  ? __kthread_parkme+0xce/0x1a0
[  572.987321]  ndisc_alloc_skb+0x144/0x340
[  572.991971]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  572.996021]  ndisc_send_rs+0x331/0x6e0
[  573.000156]  ? kasan_check_write+0x14/0x20
[  573.004207]  addrconf_rs_timer+0x3c0/0x6f0
[  573.009755]  ? do_raw_spin_lock+0xc1/0x200
[  573.013800]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  573.017884]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  573.021939]  call_timer_fn+0x272/0x920
[  573.026337]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  573.030212]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  573.034179]  ? __kthread_parkme+0xfb/0x1a0
[  573.038220]  ? process_timeout+0x40/0x40
[  573.042704]  kthread+0x35a/0x420
[  573.046766]  ? find_held_lock+0x36/0x1c0
[  573.052478]  ? rcu_gp_init+0x1830/0x1830
[  573.056270]  ? __run_timers+0x7da/0xc70
[  573.060490]  ? kthread_bind+0x40/0x40
[  573.064623]  ? _raw_spin_unlock_irq+0x27/0x80
[  573.068320]  ret_from_fork+0x3a/0x50
[  573.072365]  ? _raw_spin_unlock_irq+0x27/0x80
[  573.077747] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  573.081842]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  573.081860]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  573.086225] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  573.091256]  ? trace_hardirqs_on+0xbd/0x310
[  573.095380] syz-executor4 cpuset=
[  573.100469]  ? kasan_check_read+0x11/0x20
[  573.100488]  ? __run_timers+0x7da/0xc70
[  573.105999] syz4
[  573.110580]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  573.116009]  mems_allowed=0
[  573.120326]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  573.283669]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  573.287930]  __run_timers+0x7e5/0xc70
[  573.291773]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  573.297162]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  573.302195]  ? graph_lock+0x170/0x170
[  573.306007]  ? enqueue_hrtimer+0x1a5/0x560
[  573.310243]  ? lock_release+0x970/0x970
[  573.314236]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  573.319442]  ? find_held_lock+0x36/0x1c0
[  573.323510]  ? graph_lock+0x170/0x170
[  573.327315]  ? pvclock_read_flags+0x160/0x160
[  573.331815]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  573.337352]  ? check_preemption_disabled+0x48/0x200
[  573.342392]  ? __lock_is_held+0xb5/0x140
[  573.346483]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  573.352025]  ? check_preemption_disabled+0x48/0x200
[  573.357054]  run_timer_softirq+0x52/0xb0
[  573.361119]  ? rcu_read_lock_sched_held+0x108/0x120
[  573.366351]  __do_softirq+0x30b/0xad8
[  573.370171]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  573.375285]  ? pvclock_read_flags+0x160/0x160
[  573.379781]  ? lapic_next_event+0x5a/0x90
[  573.383932]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  573.389472]  ? check_preemption_disabled+0x48/0x200
[  573.394494]  ? check_preemption_disabled+0x48/0x200
[  573.399703]  ? kvm_clock_read+0x18/0x30
[  573.403698]  ? kvm_sched_clock_read+0x9/0x20
[  573.408119]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  573.413668]  ? check_preemption_disabled+0x48/0x200
[  573.418724]  irq_exit+0x17f/0x1c0
[  573.422191]  smp_apic_timer_interrupt+0x1cb/0x760
[  573.427041]  ? smp_reschedule_interrupt+0x109/0x650
[  573.432090]  ? smp_call_function_single_interrupt+0x650/0x650
[  573.437985]  ? interrupt_entry+0xb5/0xf0
[  573.442051]  ? trace_hardirqs_off_caller+0xbb/0x310
[  573.447072]  ? trace_hardirqs_off_caller+0xbb/0x310
[  573.452091]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  573.456949]  ? trace_hardirqs_on_caller+0x310/0x310
[  573.461969]  ? trace_hardirqs_on_caller+0x310/0x310
[  573.466994]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  573.472533]  ? check_preemption_disabled+0x48/0x200
[  573.477554]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  573.483104]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  573.487961]  apic_timer_interrupt+0xf/0x20
[  573.492198]  </IRQ>
[  573.494465] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  573.499412] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  573.518352] RSP: 0000:ffff8801ba62f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  573.526066] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  573.533340] RDX: 0000000000000000 RSI: ffff8801b881aa80 RDI: 0000000000000286
[  573.540627] RBP: ffff8801ba62f7b0 R08: ffff8801b881a200 R09: 0000000000000000
[  573.547906] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  573.555180] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  573.562502]  skb_clone+0x1bb/0x500
[  573.566051]  ? finish_task_switch+0x1b5/0x900
[  573.570553]  ? skb_split+0x11e0/0x11e0
[  573.574474]  ? preempt_notifier_register+0x200/0x200
[  573.579581]  ? __switch_to_asm+0x34/0x70
[  573.583650]  ? __switch_to_asm+0x34/0x70
[  573.587720]  ? __switch_to_asm+0x40/0x70
[  573.591782]  ? __switch_to_asm+0x34/0x70
[  573.595845]  ? __switch_to_asm+0x40/0x70
[  573.599908]  ? __switch_to_asm+0x34/0x70
[  573.603969]  ? __switch_to_asm+0x40/0x70
[  573.608036]  ? __switch_to_asm+0x34/0x70
[  573.612101]  ? __switch_to_asm+0x34/0x70
[  573.616163]  ? __switch_to_asm+0x40/0x70
[  573.620226]  ? __switch_to_asm+0x34/0x70
[  573.624298]  bpf_clone_redirect+0xb9/0x490
[  573.628535]  ? __schedule+0x874/0x1ed0
[  573.632440]  bpf_prog_3d1649e183dc2cc1+0xcce/0x1000
[  573.637489]  ? __sched_text_start+0x8/0x8
[  573.641659]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  573.646443]  ? find_held_lock+0x36/0x1c0
[  573.650518]  ? lock_acquire+0x1ed/0x520
[  573.654498]  ? bpf_test_run+0x32e/0x5a0
[  573.658484]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  573.664038]  ? check_preemption_disabled+0x48/0x200
[  573.669072]  ? kasan_check_read+0x11/0x20
[  573.673230]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  573.678516]  ? rcu_bh_qs+0xc0/0xc0
[  573.682060]  ? preempt_schedule+0x4d/0x60
[  573.686215]  ? ___preempt_schedule+0x16/0x18
[  573.690636]  ? bpf_test_run+0x1c0/0x5a0
[  573.694625]  ? netlink_diag_dump+0x2a0/0x2a0
[  573.699040]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  573.704578]  ? bpf_test_init.isra.9+0x70/0x100
[  573.709172]  ? bpf_prog_test_run_skb+0x634/0xb40
[  573.713941]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  573.718785]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  573.724325]  ? fput+0x130/0x1a0
[  573.727609]  ? __bpf_prog_get+0x9b/0x290
[  573.731684]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  573.736526]  ? bpf_prog_test_run+0x130/0x1a0
[  573.740939]  ? __x64_sys_bpf+0x3d8/0x510
[  573.745002]  ? bpf_prog_get+0x20/0x20
[  573.748840]  ? do_syscall_64+0x1b9/0x820
[  573.752907]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  573.758274]  ? syscall_return_slowpath+0x5e0/0x5e0
[  573.769220]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  573.774091]  ? trace_hardirqs_on_caller+0x310/0x310
[  573.779120]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  573.784159]  ? prepare_exit_to_usermode+0x291/0x3b0
[  573.789210]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  573.794071]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  573.799467] CPU: 1 PID: 11390 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  573.799469] Mem-Info:
[  573.799502] active_anon:122480 inactive_anon:112 isolated_anon:0
[  573.799502]  active_file:16 inactive_file:5 isolated_file:0
[  573.799502]  unevictable:0 dirty:0 writeback:0 unstable:0
[  573.799502]  slab_reclaimable:9164 slab_unreclaimable:1399977
[  573.799502]  mapped:40962 shmem:118 pagetables:796 bounce:0
[  573.799502]  free:13728 free_pcp:0 free_cma:0
[  573.806839] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  573.809281] Node 0 active_anon:489920kB inactive_anon:448kB active_file:64kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:472kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 471040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  573.841947] Call Trace:
[  573.841958]  <IRQ>
[  573.851306] Node 0 
[  573.878815]  dump_stack+0x1c4/0x2b4
[  573.881401] 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
[  573.883526]  ? dump_stack_print_info.cold.2+0x52/0x52
[  573.885732] lowmem_reserve[]:
[  573.889369]  warn_alloc.cold.119+0xb7/0x1bd
[  573.914867]  0
[  573.920071]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  573.923141]  2813
[  573.927460]  ? lock_downgrade+0x900/0x900
[  573.929242]  6317
[  573.934082]  ? trace_hardirqs_off+0xb8/0x310
[  573.936117]  6317
[  573.940260]  ? trace_hardirqs_off+0xb8/0x310
[  573.946750]  __alloc_pages_slowpath+0x2667/0x2d80
[  573.948781] Node 0 
[  573.953217]  ? warn_alloc+0x120/0x120
[  573.958028] DMA32 free:25276kB min:30028kB low:37532kB high:45036kB active_anon:12288kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2884608kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  573.960240]  ? warn_alloc+0x120/0x120
[  573.964011] lowmem_reserve[]:
[  573.990905]  ? print_usage_bug+0xc0/0xc0
[  573.994681]  0
[  573.997785]  ? warn_alloc+0x120/0x120
[  574.001824]  0
[  574.003622]  ? print_usage_bug+0xc0/0xc0
[  574.007392]  3503 3503
[  574.009216]  ? __lock_acquire+0x7ec/0x4ec0
[  574.013255] Node 0 
[  574.015746]  ? __lock_acquire+0x7ec/0x4ec0
[  574.019985] Normal free:13728kB min:37384kB low:46728kB high:56072kB active_anon:477632kB inactive_anon:448kB active_file:64kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3587276kB mlocked:0kB kernel_stack:5408kB pagetables:3184kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  574.022196]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  574.026396] lowmem_reserve[]: 0
[  574.054459]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  574.059968]  0
[  574.063250]  ? should_fail+0x22d/0xd01
[  574.068750]  0 0
[  574.070561]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  574.074429] Node 0 
[  574.076406]  ? __lock_acquire+0x7ec/0x4ec0
[  574.081493] DMA: 
[  574.083728]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  574.087940] 1*4kB 
[  574.089996]  ? __lock_acquire+0x7ec/0x4ec0
[  574.095094] (U) 
[  574.097249]  ? should_fail+0x22d/0xd01
[  574.101458] 0*8kB 
[  574.103445]  ? mark_held_locks+0x130/0x130
[  574.107302] 0*16kB 
[  574.109459]  ? mark_held_locks+0x130/0x130
[  574.113662] 1*32kB (U) 
[  574.115902]  ? graph_lock+0x170/0x170
[  574.120111] 2*64kB (U) 
[  574.122704]  ? print_usage_bug+0xc0/0xc0
[  574.126480] 1*128kB 
[  574.129078]  ? graph_lock+0x170/0x170
[  574.133115] (U) 
[  574.135444]  ? print_usage_bug+0xc0/0xc0
[  574.139225] 1*256kB 
[  574.141204]  ? wq_watchdog_touch+0x9c/0xfe
[  574.145240] (U) 
[  574.147568]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  574.151785] 0*512kB 
[  574.153763]  ? check_preemption_disabled+0x48/0x200
[  574.159270] 1*1024kB 
[  574.161592]  ? check_preemption_disabled+0x48/0x200
[  574.166585] (U) 
[  574.169000]  ? __lock_is_held+0xb5/0x140
[  574.173974] 1*2048kB (M) 
[  574.175961]  __alloc_pages_nodemask+0xa80/0xde0
[  574.179998] 3*4096kB 
[  574.182748]  ? graph_lock+0x170/0x170
[  574.187391] (M) 
[  574.189808]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  574.193593] = 15908kB
[  574.195564]  ? graph_lock+0x170/0x170
[  574.200554] Node 0 
[  574.202970]  ? find_held_lock+0x36/0x1c0
[  574.206737] DMA32: 
[  574.208976]  ? ____cache_alloc_node+0x1c7/0x1e0
[  574.213008] 5*4kB 
[  574.215238]  ? lock_downgrade+0x900/0x900
[  574.219887] (UM) 
[  574.222038]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  574.226153] 1*8kB (U) 
[  574.228229]  cache_grow_begin+0x91/0x8c0
[  574.233738] 4*16kB 
[  574.236233]  ? do_raw_spin_unlock+0xa7/0x2f0
[  574.240269] (UM) 
[  574.242508]  fallback_alloc+0x203/0x2e0
[  574.246887] 3*32kB 
[  574.248949]  ____cache_alloc_node+0x1c7/0x1e0
[  574.252891] (UM) 4*64kB 
[  574.255145]  kmem_cache_alloc_node+0xe3/0x730
[  574.259610] (M) 
[  574.262281]  ? ipv6_get_ifaddr+0x42e/0x620
[  574.266748] 4*128kB (UM) 
[  574.268736]  __alloc_skb+0x119/0x770
[  574.272935] 3*256kB (M) 
[  574.275705]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  574.279389] 4*512kB (UM) 
[  574.282079]  ? skb_scrub_packet+0x490/0x490
[  574.287331] 3*1024kB 
[  574.290089]  ? lock_downgrade+0x900/0x900
[  574.294399] (UM) 
[  574.296823]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  574.300933] 3*2048kB (UM) 
[  574.303004]  ? refcount_sub_and_test_checked+0x203/0x310
[  574.308511] 3*4096kB (M) 
[  574.311366]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  574.316786] = 25276kB
[  574.316795] Node 0 
[  574.319550]  ? addrconf_rs_timer+0x6f0/0x6f0
[  574.324972] Normal: 
[  574.327387]  ndisc_alloc_skb+0x144/0x340
[  574.329593] 1058*4kB 
[  574.333998]  ndisc_send_rs+0x331/0x6e0
[  574.336294] (UMEH) 
[  574.340353]  addrconf_rs_timer+0x3c0/0x6f0
[  574.342761] 417*8kB 
[  574.346650]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  574.348860] (UMEH) 
[  574.353098]  call_timer_fn+0x272/0x920
[  574.355386] 179*16kB 
[  574.359614]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  574.361827] (UME) 
[  574.365925]  ? process_timeout+0x40/0x40
[  574.368310] 63*32kB (UMEH) 
[  574.372554]  ? find_held_lock+0x36/0x1c0
[  574.374683] 21*64kB 
[  574.378744]  ? __run_timers+0x7da/0xc70
[  574.381643] (UMH) 
[  574.385703]  ? _raw_spin_unlock_irq+0x27/0x80
[  574.387996] 2*128kB (MH) 
[  574.391987]  ? _raw_spin_unlock_irq+0x27/0x80
[  574.394109] 0*256kB 0*512kB 
[  574.398618]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  574.401353] 0*1024kB 
[  574.405845]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  574.408843] 0*2048kB 
[  574.413071]  ? trace_hardirqs_on+0xbd/0x310
[  574.415457] 0*4096kB 
[  574.420051]  ? kasan_check_read+0x11/0x20
[  574.422449] = 14048kB
[  574.426768]  ? __run_timers+0x7da/0xc70
[  574.429158] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  574.433299]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  574.435688] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  574.439652]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  574.448462] 164 total pagecache pages
[  574.453910]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  574.462464] 0 pages in swap cache
[  574.466703]  __run_timers+0x7e5/0xc70
[  574.470472] Swap cache stats: add 0, delete 0, find 0/0
[  574.470481] Free swap  = 0kB
[  574.474724]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  574.478145] Total swap = 0kB
[  574.481942]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  574.487276] 1965979 pages RAM
[  574.490294]  ? graph_lock+0x170/0x170
[  574.495630] 0 pages HighMem/MovableOnly
[  574.495639] 344031 pages reserved
[  574.499158]  ? enqueue_hrtimer+0x1a5/0x560
[  574.504849] 0 pages cma reserved
[  574.504925] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  574.507960]  ? lock_release+0x970/0x970
[  574.507976]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  574.507998]  ? find_held_lock+0x36/0x1c0
[  574.508016]  ? graph_lock+0x170/0x170
[  574.511856] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  574.515771]  ? pvclock_read_flags+0x160/0x160
[  574.519201] syz-executor4 cpuset=
[  574.523444]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  574.526783] syz4
[  574.533272]  ? check_preemption_disabled+0x48/0x200
[  574.537229]  mems_allowed=0
[  574.542428]  ? __lock_is_held+0xb5/0x140
[  574.588102]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  574.593650]  ? check_preemption_disabled+0x48/0x200
[  574.598686]  run_timer_softirq+0x52/0xb0
[  574.602754]  ? rcu_read_lock_sched_held+0x108/0x120
[  574.607772]  __do_softirq+0x30b/0xad8
[  574.611591]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  574.616705]  ? pvclock_read_flags+0x160/0x160
[  574.621206]  ? lapic_next_event+0x5a/0x90
[  574.625361]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  574.630900]  ? check_preemption_disabled+0x48/0x200
[  574.635916]  ? check_preemption_disabled+0x48/0x200
[  574.640945]  ? kvm_clock_read+0x18/0x30
[  574.644925]  ? kvm_sched_clock_read+0x9/0x20
[  574.649344]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  574.654889]  ? check_preemption_disabled+0x48/0x200
[  574.659922]  irq_exit+0x17f/0x1c0
[  574.663382]  smp_apic_timer_interrupt+0x1cb/0x760
[  574.668235]  ? smp_reschedule_interrupt+0x109/0x650
[  574.673262]  ? smp_call_function_single_interrupt+0x650/0x650
[  574.679153]  ? interrupt_entry+0xb5/0xf0
[  574.683225]  ? trace_hardirqs_off_caller+0xbb/0x310
[  574.688246]  ? trace_hardirqs_off_caller+0xbb/0x310
[  574.693268]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  574.698116]  ? trace_hardirqs_on_caller+0x310/0x310
[  574.703137]  ? trace_hardirqs_on_caller+0x310/0x310
[  574.708157]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  574.713702]  ? check_preemption_disabled+0x48/0x200
[  574.718719]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  574.724273]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  574.729130]  apic_timer_interrupt+0xf/0x20
[  574.733358]  </IRQ>
[  574.735603] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  574.740535] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  574.759452] RSP: 0000:ffff8801866cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  574.767167] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  574.774451] RDX: 0000000000000000 RSI: ffff8801ce554f00 RDI: 0000000000000286
[  574.781723] RBP: ffff8801866cf7b0 R08: ffff8801ce554680 R09: 0000000000000000
[  574.788997] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  574.796284] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  574.803616]  skb_clone+0x1bb/0x500
[  574.807164]  ? finish_task_switch+0x2f5/0x900
[  574.811673]  ? skb_split+0x11e0/0x11e0
[  574.815566]  ? preempt_notifier_register+0x200/0x200
[  574.820676]  ? __switch_to_asm+0x34/0x70
[  574.824743]  ? __switch_to_asm+0x34/0x70
[  574.828811]  ? __switch_to_asm+0x40/0x70
[  574.832873]  ? __switch_to_asm+0x34/0x70
[  574.836941]  ? __switch_to_asm+0x40/0x70
[  574.841005]  ? __switch_to_asm+0x34/0x70
[  574.845068]  ? __switch_to_asm+0x40/0x70
[  574.849147]  ? __switch_to_asm+0x34/0x70
[  574.853220]  ? __switch_to_asm+0x34/0x70
[  574.857285]  ? __switch_to_asm+0x40/0x70
[  574.861442]  ? __switch_to_asm+0x34/0x70
[  574.865519]  bpf_clone_redirect+0xb9/0x490
[  574.869760]  ? __schedule+0x874/0x1ed0
[  574.873659]  bpf_prog_3d1649e183dc2cc1+0x379/0x1000
[  574.878680]  ? __sched_text_start+0x8/0x8
[  574.882839]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  574.887610]  ? find_held_lock+0x36/0x1c0
[  574.891681]  ? lock_acquire+0x1ed/0x520
[  574.895663]  ? bpf_test_run+0x32e/0x5a0
[  574.899646]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  574.905193]  ? check_preemption_disabled+0x48/0x200
[  574.910222]  ? kasan_check_read+0x11/0x20
[  574.914386]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  574.919694]  ? rcu_bh_qs+0xc0/0xc0
[  574.923251]  ? preempt_schedule+0x4d/0x60
[  574.927410]  ? ___preempt_schedule+0x16/0x18
[  574.931842]  ? bpf_test_run+0x1c0/0x5a0
[  574.935829]  ? netlink_diag_dump+0x2a0/0x2a0
[  574.940244]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  574.945784]  ? bpf_test_init.isra.9+0x70/0x100
[  574.950378]  ? bpf_prog_test_run_skb+0x634/0xb40
[  574.955149]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  574.959998]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  574.965710]  ? fput+0x130/0x1a0
[  574.968999]  ? __bpf_prog_get+0x9b/0x290
[  574.973065]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  574.977907]  ? bpf_prog_test_run+0x130/0x1a0
[  574.982328]  ? __x64_sys_bpf+0x3d8/0x510
[  574.986398]  ? bpf_prog_get+0x20/0x20
[  574.990237]  ? do_syscall_64+0x1b9/0x820
[  574.994306]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  574.999676]  ? syscall_return_slowpath+0x5e0/0x5e0
[  575.004608]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  575.009455]  ? trace_hardirqs_on_caller+0x310/0x310
[  575.014473]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  575.019499]  ? prepare_exit_to_usermode+0x291/0x3b0
[  575.024526]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  575.029385]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  575.034788] CPU: 0 PID: 11399 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  575.034861] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  575.042159] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  575.042166] Call Trace:
[  575.042172]  <IRQ>
[  575.042196]  dump_stack+0x1c4/0x2b4
[  575.042212]  ? dump_stack_print_info.cold.2+0x52/0x52
[  575.042244]  warn_alloc.cold.119+0xb7/0x1bd
[  575.048825] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  575.058081]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  575.060641] syz-executor4 cpuset=
[  575.062789]  ? lock_downgrade+0x900/0x900
[  575.066391] syz4
[  575.071586]  ? trace_hardirqs_off+0xb8/0x310
[  575.075883]  mems_allowed=0
[  575.086360]  ? trace_hardirqs_off+0xb8/0x310
[  575.112428]  __alloc_pages_slowpath+0x2667/0x2d80
[  575.117306]  ? warn_alloc+0x120/0x120
[  575.121113]  ? warn_alloc+0x120/0x120
[  575.124926]  ? print_usage_bug+0xc0/0xc0
[  575.128994]  ? warn_alloc+0x120/0x120
[  575.132799]  ? print_usage_bug+0xc0/0xc0
[  575.136865]  ? __lock_acquire+0x7ec/0x4ec0
[  575.141101]  ? __lock_acquire+0x7ec/0x4ec0
[  575.145345]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  575.150891]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  575.156454]  ? should_fail+0x22d/0xd01
[  575.160369]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  575.165485]  ? __lock_acquire+0x7ec/0x4ec0
[  575.171319]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  575.176439]  ? __lock_acquire+0x7ec/0x4ec0
[  575.180690]  ? should_fail+0x22d/0xd01
[  575.184594]  ? mark_held_locks+0x130/0x130
[  575.188841]  ? mark_held_locks+0x130/0x130
[  575.193079]  ? graph_lock+0x170/0x170
[  575.196888]  ? print_usage_bug+0xc0/0xc0
[  575.200953]  ? graph_lock+0x170/0x170
[  575.204758]  ? print_usage_bug+0xc0/0xc0
[  575.208819]  ? wq_watchdog_touch+0x9c/0xfe
[  575.213057]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  575.218597]  ? check_preemption_disabled+0x48/0x200
[  575.223612]  ? check_preemption_disabled+0x48/0x200
[  575.228644]  ? __lock_is_held+0xb5/0x140
[  575.232721]  __alloc_pages_nodemask+0xa80/0xde0
[  575.237395]  ? graph_lock+0x170/0x170
[  575.241214]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  575.246229]  ? graph_lock+0x170/0x170
[  575.250045]  ? find_held_lock+0x36/0x1c0
[  575.254119]  ? ____cache_alloc_node+0x1c7/0x1e0
[  575.258795]  ? lock_downgrade+0x900/0x900
[  575.262957]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  575.268507]  cache_grow_begin+0x91/0x8c0
[  575.272598]  ? do_raw_spin_unlock+0xa7/0x2f0
[  575.277028]  fallback_alloc+0x203/0x2e0
[  575.281025]  ____cache_alloc_node+0x1c7/0x1e0
[  575.285541]  kmem_cache_alloc_node+0xe3/0x730
[  575.290041]  ? ipv6_get_ifaddr+0x42e/0x620
[  575.294291]  __alloc_skb+0x119/0x770
[  575.298008]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  575.303298]  ? skb_scrub_packet+0x490/0x490
[  575.307624]  ? lock_downgrade+0x900/0x900
[  575.311785]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  575.317322]  ? refcount_sub_and_test_checked+0x203/0x310
[  575.322794]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  575.328246]  ? addrconf_rs_timer+0x6f0/0x6f0
[  575.332669]  ndisc_alloc_skb+0x144/0x340
[  575.336743]  ndisc_send_rs+0x331/0x6e0
[  575.340639]  addrconf_rs_timer+0x3c0/0x6f0
[  575.344882]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  575.349137]  call_timer_fn+0x272/0x920
[  575.353026]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  575.358919]  ? process_timeout+0x40/0x40
[  575.362981]  ? find_held_lock+0x36/0x1c0
[  575.367312]  ? __run_timers+0x7da/0xc70
[  575.371329]  ? _raw_spin_unlock_irq+0x27/0x80
[  575.375829]  ? _raw_spin_unlock_irq+0x27/0x80
[  575.380341]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  575.384596]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  575.389213]  ? trace_hardirqs_on+0xbd/0x310
[  575.393537]  ? kasan_check_read+0x11/0x20
[  575.397711]  ? __run_timers+0x7da/0xc70
[  575.401714]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  575.407190]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  575.411454]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  575.415702]  __run_timers+0x7e5/0xc70
[  575.419520]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  575.424887]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  575.429907]  ? graph_lock+0x170/0x170
[  575.433719]  ? enqueue_hrtimer+0x1a5/0x560
[  575.437953]  ? lock_release+0x970/0x970
[  575.441930]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  575.447145]  ? find_held_lock+0x36/0x1c0
[  575.451230]  ? graph_lock+0x170/0x170
[  575.455038]  ? pvclock_read_flags+0x160/0x160
[  575.459541]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  575.465079]  ? check_preemption_disabled+0x48/0x200
[  575.470109]  ? __lock_is_held+0xb5/0x140
[  575.474178]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  575.479723]  ? check_preemption_disabled+0x48/0x200
[  575.484752]  run_timer_softirq+0x52/0xb0
[  575.488817]  ? rcu_read_lock_sched_held+0x108/0x120
[  575.493841]  __do_softirq+0x30b/0xad8
[  575.497659]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  575.502779]  ? pvclock_read_flags+0x160/0x160
[  575.507286]  ? lapic_next_event+0x5a/0x90
[  575.511442]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  575.516982]  ? check_preemption_disabled+0x48/0x200
[  575.522008]  ? check_preemption_disabled+0x48/0x200
[  575.527051]  ? kvm_clock_read+0x18/0x30
[  575.531038]  ? kvm_sched_clock_read+0x9/0x20
[  575.535456]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  575.541010]  ? check_preemption_disabled+0x48/0x200
[  575.546040]  irq_exit+0x17f/0x1c0
[  575.549512]  smp_apic_timer_interrupt+0x1cb/0x760
[  575.554359]  ? smp_reschedule_interrupt+0x109/0x650
[  575.559375]  ? smp_call_function_single_interrupt+0x650/0x650
[  575.565289]  ? interrupt_entry+0xb5/0xf0
[  575.569353]  ? trace_hardirqs_off_caller+0xbb/0x310
[  575.574367]  ? trace_hardirqs_off_caller+0xbb/0x310
[  575.579406]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  575.584265]  ? trace_hardirqs_on_caller+0x310/0x310
[  575.589283]  ? trace_hardirqs_on_caller+0x310/0x310
[  575.594304]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  575.599849]  ? check_preemption_disabled+0x48/0x200
[  575.604866]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  575.610423]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  575.615272]  apic_timer_interrupt+0xf/0x20
[  575.619498]  </IRQ>
[  575.621743] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  575.626684] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  575.645597] RSP: 0000:ffff8801ba62f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  575.653412] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  575.660713] RDX: 0000000000000000 RSI: ffff8801b881aa80 RDI: 0000000000000286
[  575.667980] RBP: ffff8801ba62f7b0 R08: ffff8801b881a200 R09: 0000000000000000
[  575.675265] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  575.682533] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  575.689868]  skb_clone+0x1bb/0x500
[  575.693426]  ? finish_task_switch+0x1b5/0x900
[  575.697929]  ? skb_split+0x11e0/0x11e0
[  575.701820]  ? preempt_notifier_register+0x200/0x200
[  575.706924]  ? __switch_to_asm+0x34/0x70
[  575.710986]  ? __switch_to_asm+0x34/0x70
[  575.715051]  ? __switch_to_asm+0x40/0x70
[  575.719127]  ? __switch_to_asm+0x34/0x70
[  575.723216]  ? __switch_to_asm+0x40/0x70
[  575.727277]  ? __switch_to_asm+0x34/0x70
[  575.731337]  ? __switch_to_asm+0x40/0x70
[  575.735448]  ? __switch_to_asm+0x34/0x70
[  575.739513]  ? __switch_to_asm+0x34/0x70
[  575.743579]  ? __switch_to_asm+0x40/0x70
[  575.747656]  ? __switch_to_asm+0x34/0x70
[  575.751746]  bpf_clone_redirect+0xb9/0x490
[  575.755983]  ? __schedule+0x874/0x1ed0
[  575.759877]  bpf_prog_3d1649e183dc2cc1+0xcce/0x1000
[  575.764905]  ? __sched_text_start+0x8/0x8
[  575.769071]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  575.773857]  ? find_held_lock+0x36/0x1c0
[  575.777932]  ? lock_acquire+0x1ed/0x520
[  575.781908]  ? bpf_test_run+0x32e/0x5a0
[  575.785884]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  575.791429]  ? check_preemption_disabled+0x48/0x200
[  575.796460]  ? kasan_check_read+0x11/0x20
[  575.800616]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  575.805901]  ? rcu_bh_qs+0xc0/0xc0
[  575.809453]  ? preempt_schedule+0x4d/0x60
[  575.813610]  ? ___preempt_schedule+0x16/0x18
[  575.818102]  ? bpf_test_run+0x1c0/0x5a0
[  575.822092]  ? netlink_diag_dump+0x2a0/0x2a0
[  575.826520]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  575.832060]  ? bpf_test_init.isra.9+0x70/0x100
[  575.836670]  ? bpf_prog_test_run_skb+0x634/0xb40
[  575.841485]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  575.846348]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  575.851884]  ? fput+0x130/0x1a0
[  575.855197]  ? __bpf_prog_get+0x9b/0x290
[  575.859263]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  575.864107]  ? bpf_prog_test_run+0x130/0x1a0
[  575.868522]  ? __x64_sys_bpf+0x3d8/0x510
[  575.872586]  ? bpf_prog_get+0x20/0x20
[  575.876412]  ? do_syscall_64+0x1b9/0x820
[  575.880490]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  575.885865]  ? syscall_return_slowpath+0x5e0/0x5e0
[  575.890802]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  575.895674]  ? trace_hardirqs_on_caller+0x310/0x310
[  575.900722]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  575.905749]  ? prepare_exit_to_usermode+0x291/0x3b0
[  575.910778]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  575.915637]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  575.921018] warn_alloc_show_mem: 1 callbacks suppressed
[  575.921030] CPU: 1 PID: 11390 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  575.921032] Mem-Info:
[  575.921064] active_anon:122480 inactive_anon:112 isolated_anon:0
[  575.921064]  active_file:16 inactive_file:5 isolated_file:0
[  575.921064]  unevictable:0 dirty:0 writeback:0 unstable:0
[  575.921064]  slab_reclaimable:9164 slab_unreclaimable:1399977
[  575.921064]  mapped:40962 shmem:118 pagetables:796 bounce:0
[  575.921064]  free:13728 free_pcp:0 free_cma:0
[  575.926406] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  575.933777] Node 0 active_anon:489920kB inactive_anon:448kB active_file:64kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:472kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 471040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  575.936183] Call Trace:
[  575.968880] Node 0 
[  575.978231]  <IRQ>
[  576.005751] 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
[  576.008321]  dump_stack+0x1c4/0x2b4
[  576.010530] lowmem_reserve[]:
[  576.012693]  ? dump_stack_print_info.cold.2+0x52/0x52
[  576.038183]  0 2813
[  576.041840]  warn_alloc.cold.119+0xb7/0x1bd
[  576.044902]  6317
[  576.050092]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  576.052302]  6317
[  576.056619]  ? lock_downgrade+0x900/0x900
[  576.063502]  ? trace_hardirqs_off+0xb8/0x310
[  576.065540] Node 0 
[  576.069685]  ? trace_hardirqs_off+0xb8/0x310
[  576.074095] DMA32 free:25276kB min:30028kB low:37532kB high:45036kB active_anon:12288kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2884608kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  576.076321]  __alloc_pages_slowpath+0x2667/0x2d80
[  576.080708] lowmem_reserve[]:
[  576.107628]  ? warn_alloc+0x120/0x120
[  576.112428]  0
[  576.115534]  ? trace_hardirqs_on+0x310/0x310
[  576.119299]  0 3503
[  576.121109]  ? warn_alloc+0x120/0x120
[  576.125485]  3503
[  576.127733]  ? print_usage_bug+0xc0/0xc0
[  576.131514] Node 0 
[  576.133584]  ? warn_alloc+0x120/0x120
[  576.137649] Normal free:13728kB min:37384kB low:46728kB high:56072kB active_anon:477632kB inactive_anon:448kB active_file:64kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3587276kB mlocked:0kB kernel_stack:5408kB pagetables:3184kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  576.139856]  ? ktime_get+0x2e1/0x440
[  576.143629] lowmem_reserve[]:
[  576.171668]  ? print_usage_bug+0xc0/0xc0
[  576.175361]  0
[  576.178461]  ? __lock_acquire+0x7ec/0x4ec0
[  576.182496]  0
[  576.184293]  ? __lock_acquire+0x7ec/0x4ec0
[  576.188495]  0 0
[  576.190302]  ? kasan_check_read+0x11/0x20
[  576.196498]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  576.200617] Node 0 
[  576.206149]  ? should_fail+0x22d/0xd01
[  576.206152] DMA: 1*4kB 
[  576.208404]  ? rcu_bh_qs+0xc0/0xc0
[  576.212274] (U) 
[  576.214859]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  576.218374] 0*8kB 
[  576.220351]  ? __lock_acquire+0x7ec/0x4ec0
[  576.225433] 0*16kB 
[  576.227579]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  576.231786] 1*32kB 
[  576.234021]  ? __lock_acquire+0x7ec/0x4ec0
[  576.239095] (U) 
[  576.241329]  ? should_fail+0x22d/0xd01
[  576.245543] 2*64kB 
[  576.247521]  ? rcu_idle_enter+0x4b0/0x4b0
[  576.251389] (U) 
[  576.253644]  ? mark_held_locks+0x130/0x130
[  576.257758] 1*128kB 
[  576.259732]  ? mark_held_locks+0x130/0x130
[  576.263937] (U) 
[  576.266263]  ? mark_held_locks+0xc7/0x130
[  576.270476] 1*256kB 
[  576.272486]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  576.276609] (U) 
[  576.280407]  ? graph_lock+0x170/0x170
[  576.285407] 0*512kB 
[  576.287388]  ? print_usage_bug+0xc0/0xc0
[  576.291165] 1*1024kB 
[  576.293491]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  576.297526] (U) 
[  576.299935]  ? check_preemption_disabled+0x48/0x200
[  576.305446] 1*2048kB (M) 
[  576.307438]  ? check_preemption_disabled+0x48/0x200
[  576.312444] 3*4096kB 
[  576.315209]  ? __lock_is_held+0xb5/0x140
[  576.320195] (M) 
[  576.322610]  __alloc_pages_nodemask+0xa80/0xde0
[  576.326644] = 15908kB
[  576.328613]  ? graph_lock+0x170/0x170
[  576.333262] Node 0 
[  576.335670]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  576.339453] DMA32: 
[  576.341692]  ? graph_lock+0x170/0x170
[  576.346694] 5*4kB 
[  576.348935]  ? find_held_lock+0x36/0x1c0
[  576.352703] (UM) 
[  576.354855]  ? ____cache_alloc_node+0x1c7/0x1e0
[  576.358890] 1*8kB 
[  576.360949]  ? lock_downgrade+0x900/0x900
[  576.366097] (U) 
[  576.368267]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  576.372382] 4*16kB (UM) 
[  576.374392]  cache_grow_begin+0x91/0x8c0
[  576.379897] 3*32kB 
[  576.382576]  ? do_raw_spin_unlock+0xa7/0x2f0
[  576.386608] (UM) 
[  576.388851]  fallback_alloc+0x203/0x2e0
[  576.393227] 4*64kB 
[  576.395291]  ____cache_alloc_node+0x1c7/0x1e0
[  576.399237] (M) 
[  576.401479]  kmem_cache_alloc_node+0xe3/0x730
[  576.405951] 4*128kB 
[  576.407927]  ? ipv6_get_ifaddr+0x42e/0x620
[  576.412389] (UM) 3*256kB 
[  576.414734]  __alloc_skb+0x119/0x770
[  576.418934] (M) 
[  576.421691]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  576.425382] 4*512kB 
[  576.427355]  ? skb_scrub_packet+0x490/0x490
[  576.432603] (UM) 
[  576.434928]  ? lock_downgrade+0x900/0x900
[  576.439228] 3*1024kB 
[  576.441291]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  576.445408] (UM) 
[  576.447823]  ? refcount_sub_and_test_checked+0x203/0x310
[  576.453337] 3*2048kB 
[  576.455399]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  576.460908] (UM) 
[  576.463320]  ? addrconf_rs_timer+0x6f0/0x6f0
[  576.468741] 3*4096kB (M) 
[  576.470820]  ndisc_alloc_skb+0x144/0x340
[  576.475221] = 25276kB
[  576.477974]  ndisc_send_rs+0x331/0x6e0
[  576.482010] Node 0 
[  576.484434]  addrconf_rs_timer+0x3c0/0x6f0
[  576.488288] Normal: 1058*4kB 
[  576.490550]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  576.494757] (UMEH) 
[  576.498397]  call_timer_fn+0x272/0x920
[  576.502601] 417*8kB 
[  576.504838]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  576.508701] (UMEH) 
[  576.511021]  ? process_timeout+0x40/0x40
[  576.515244] 179*16kB 
[  576.517491]  ? find_held_lock+0x36/0x1c0
[  576.521525] (UME) 
[  576.523938]  ? __run_timers+0x7da/0xc70
[  576.527968] 63*32kB (UMEH) 
[  576.530126]  ? _raw_spin_unlock_irq+0x27/0x80
[  576.534077] 21*64kB 
[  576.537008]  ? _raw_spin_unlock_irq+0x27/0x80
[  576.541478] (UMH) 
[  576.543796]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  576.548271] 2*128kB 
[  576.550441]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  576.554653] (MH) 
[  576.556973]  ? trace_hardirqs_on+0xbd/0x310
[  576.561527] 0*256kB 
[  576.563587]  ? kasan_check_read+0x11/0x20
[  576.567885] 0*512kB 
[  576.570211]  ? __run_timers+0x7da/0xc70
[  576.574329] 0*1024kB 0*2048kB 
[  576.576658]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  576.580601] 0*4096kB = 14048kB
[  576.583799]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  576.589235] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  576.592423]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  576.596642] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  576.605463]  __run_timers+0x7e5/0xc70
[  576.609671] 164 total pagecache pages
[  576.618265]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  576.622035] 0 pages in swap cache
[  576.625824]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  576.631165] Swap cache stats: add 0, delete 0, find 0/0
[  576.634624]  ? graph_lock+0x170/0x170
[  576.639633] Free swap  = 0kB
[  576.644986]  ? enqueue_hrtimer+0x1a5/0x560
[  576.648762] Total swap = 0kB
[  576.651780]  ? lock_release+0x970/0x970
[  576.655988] 1965979 pages RAM
[  576.659006]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  576.662975] 0 pages HighMem/MovableOnly
[  576.666078]  ? find_held_lock+0x36/0x1c0
[  576.671234] 344031 pages reserved
[  576.671243] 0 pages cma reserved
[  576.675217]  ? graph_lock+0x170/0x170
[  576.679324] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  576.682703]  ? pvclock_read_flags+0x160/0x160
[  576.686108] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  576.689848]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  576.696316] syz-executor4 cpuset=
[  576.700806]  ? check_preemption_disabled+0x48/0x200
[  576.711269] syz4
[  576.716812]  ? __lock_is_held+0xb5/0x140
[  576.720237]  mems_allowed=0
[  576.725248]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  576.739694]  ? check_preemption_disabled+0x48/0x200
[  576.744727]  run_timer_softirq+0x52/0xb0
[  576.748791]  ? rcu_read_lock_sched_held+0x108/0x120
[  576.753812]  __do_softirq+0x30b/0xad8
[  576.757628]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  576.762743]  ? pvclock_read_flags+0x160/0x160
[  576.767239]  ? lapic_next_event+0x5a/0x90
[  576.771480]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  576.777021]  ? check_preemption_disabled+0x48/0x200
[  576.782037]  ? check_preemption_disabled+0x48/0x200
[  576.787064]  ? kvm_clock_read+0x18/0x30
[  576.791042]  ? kvm_sched_clock_read+0x9/0x20
[  576.795455]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  576.800992]  ? check_preemption_disabled+0x48/0x200
[  576.806026]  irq_exit+0x17f/0x1c0
[  576.809483]  smp_apic_timer_interrupt+0x1cb/0x760
[  576.814330]  ? smp_reschedule_interrupt+0x109/0x650
[  576.819349]  ? smp_call_function_single_interrupt+0x650/0x650
[  576.825238]  ? interrupt_entry+0xb5/0xf0
[  576.829307]  ? trace_hardirqs_off_caller+0xbb/0x310
[  576.834324]  ? trace_hardirqs_off_caller+0xbb/0x310
[  576.839344]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  576.844193]  ? trace_hardirqs_on_caller+0x310/0x310
[  576.849212]  ? trace_hardirqs_on_caller+0x310/0x310
[  576.854232]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  576.859772]  ? check_preemption_disabled+0x48/0x200
[  576.864790]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  576.870341]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  576.875225]  apic_timer_interrupt+0xf/0x20
[  576.879485]  </IRQ>
[  576.881732] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  576.886663] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  576.905568] RSP: 0000:ffff8801866cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  576.913303] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  576.920597] RDX: 0000000000000000 RSI: ffff8801ce554f00 RDI: 0000000000000286
[  576.927865] RBP: ffff8801866cf7b0 R08: ffff8801ce554680 R09: 0000000000000000
[  576.935132] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  576.942397] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  576.949743]  skb_clone+0x1bb/0x500
[  576.953288]  ? finish_task_switch+0x2f5/0x900
[  576.957791]  ? skb_split+0x11e0/0x11e0
[  576.961680]  ? preempt_notifier_register+0x200/0x200
[  576.966785]  ? __switch_to_asm+0x34/0x70
[  576.970847]  ? __switch_to_asm+0x34/0x70
[  576.974912]  ? __switch_to_asm+0x40/0x70
[  576.978977]  ? __switch_to_asm+0x34/0x70
[  576.983038]  ? __switch_to_asm+0x40/0x70
[  576.987104]  ? __switch_to_asm+0x34/0x70
[  576.991169]  ? __switch_to_asm+0x40/0x70
[  576.995237]  ? __switch_to_asm+0x34/0x70
[  576.999305]  ? __switch_to_asm+0x34/0x70
[  577.003368]  ? __switch_to_asm+0x40/0x70
[  577.007458]  ? __switch_to_asm+0x34/0x70
[  577.011531]  bpf_clone_redirect+0xb9/0x490
[  577.015770]  ? __schedule+0x874/0x1ed0
[  577.019665]  bpf_prog_3d1649e183dc2cc1+0x379/0x1000
[  577.024686]  ? __sched_text_start+0x8/0x8
[  577.028840]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  577.033609]  ? find_held_lock+0x36/0x1c0
[  577.037679]  ? lock_acquire+0x1ed/0x520
[  577.041657]  ? bpf_test_run+0x32e/0x5a0
[  577.045663]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  577.051205]  ? check_preemption_disabled+0x48/0x200
[  577.056235]  ? kasan_check_read+0x11/0x20
[  577.060385]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  577.065675]  ? rcu_bh_qs+0xc0/0xc0
[  577.069218]  ? preempt_schedule+0x4d/0x60
[  577.073367]  ? ___preempt_schedule+0x16/0x18
[  577.077806]  ? bpf_test_run+0x1c0/0x5a0
[  577.081797]  ? netlink_diag_dump+0x2a0/0x2a0
[  577.086220]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  577.091779]  ? bpf_test_init.isra.9+0x70/0x100
[  577.096376]  ? bpf_prog_test_run_skb+0x634/0xb40
[  577.101138]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  577.105978]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  577.111513]  ? fput+0x130/0x1a0
[  577.114801]  ? __bpf_prog_get+0x9b/0x290
[  577.118871]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  577.123726]  ? bpf_prog_test_run+0x130/0x1a0
[  577.128156]  ? __x64_sys_bpf+0x3d8/0x510
[  577.132225]  ? bpf_prog_get+0x20/0x20
[  577.136062]  ? do_syscall_64+0x1b9/0x820
[  577.140130]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  577.145509]  ? syscall_return_slowpath+0x5e0/0x5e0
[  577.150445]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  577.155297]  ? trace_hardirqs_on_caller+0x310/0x310
[  577.160316]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  577.165355]  ? prepare_exit_to_usermode+0x291/0x3b0
[  577.170385]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  577.175246]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  577.180647] CPU: 0 PID: 11399 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  577.180720] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  577.188011] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  577.188016] Call Trace:
[  577.188023]  <IRQ>
[  577.188041]  dump_stack+0x1c4/0x2b4
[  577.188062]  ? dump_stack_print_info.cold.2+0x52/0x52
[  577.194593] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  577.203898]  warn_alloc.cold.119+0xb7/0x1bd
[  577.206450] syz-executor4 cpuset=
[  577.208595]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  577.212203] syz4
[  577.217392]  ? lock_downgrade+0x900/0x900
[  577.227854]  mems_allowed=0
[  577.232172]  ? trace_hardirqs_off+0xb8/0x310
[  577.253863]  ? trace_hardirqs_off+0xb8/0x310
[  577.258285]  __alloc_pages_slowpath+0x2667/0x2d80
[  577.263161]  ? warn_alloc+0x120/0x120
[  577.266972]  ? warn_alloc+0x120/0x120
[  577.270790]  ? print_usage_bug+0xc0/0xc0
[  577.274886]  ? warn_alloc+0x120/0x120
[  577.278698]  ? print_usage_bug+0xc0/0xc0
[  577.282765]  ? __lock_acquire+0x7ec/0x4ec0
[  577.287004]  ? __lock_acquire+0x7ec/0x4ec0
[  577.291240]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  577.296787]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  577.302329]  ? should_fail+0x22d/0xd01
[  577.306226]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  577.311335]  ? __lock_acquire+0x7ec/0x4ec0
[  577.315580]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  577.320690]  ? __lock_acquire+0x7ec/0x4ec0
[  577.324927]  ? should_fail+0x22d/0xd01
[  577.328829]  ? mark_held_locks+0x130/0x130
[  577.333071]  ? mark_held_locks+0x130/0x130
[  577.337327]  ? graph_lock+0x170/0x170
[  577.341132]  ? print_usage_bug+0xc0/0xc0
[  577.345193]  ? graph_lock+0x170/0x170
[  577.348995]  ? print_usage_bug+0xc0/0xc0
[  577.353057]  ? wq_watchdog_touch+0x9c/0xfe
[  577.357293]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  577.362842]  ? check_preemption_disabled+0x48/0x200
[  577.368079]  ? check_preemption_disabled+0x48/0x200
[  577.373114]  ? __lock_is_held+0xb5/0x140
[  577.377211]  __alloc_pages_nodemask+0xa80/0xde0
[  577.381896]  ? graph_lock+0x170/0x170
[  577.385707]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  577.390725]  ? graph_lock+0x170/0x170
[  577.394540]  ? find_held_lock+0x36/0x1c0
[  577.398613]  ? ____cache_alloc_node+0x1c7/0x1e0
[  577.403289]  ? lock_downgrade+0x900/0x900
[  577.407456]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  577.413006]  cache_grow_begin+0x91/0x8c0
[  577.417070]  ? do_raw_spin_unlock+0xa7/0x2f0
[  577.421488]  fallback_alloc+0x203/0x2e0
[  577.425477]  ____cache_alloc_node+0x1c7/0x1e0
[  577.429984]  kmem_cache_alloc_node+0xe3/0x730
[  577.434485]  ? ipv6_get_ifaddr+0x42e/0x620
[  577.438733]  __alloc_skb+0x119/0x770
[  577.442454]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  577.447756]  ? skb_scrub_packet+0x490/0x490
[  577.452078]  ? lock_downgrade+0x900/0x900
[  577.456237]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  577.461780]  ? refcount_sub_and_test_checked+0x203/0x310
[  577.467242]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  577.472709]  ? addrconf_rs_timer+0x6f0/0x6f0
[  577.477146]  ndisc_alloc_skb+0x144/0x340
[  577.481262]  ndisc_send_rs+0x331/0x6e0
[  577.485156]  addrconf_rs_timer+0x3c0/0x6f0
[  577.489398]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  577.493659]  call_timer_fn+0x272/0x920
[  577.497552]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  577.501804]  ? process_timeout+0x40/0x40
[  577.505869]  ? find_held_lock+0x36/0x1c0
[  577.509941]  ? __run_timers+0x7da/0xc70
[  577.513923]  ? _raw_spin_unlock_irq+0x27/0x80
[  577.518434]  ? _raw_spin_unlock_irq+0x27/0x80
[  577.522930]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  577.527203]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  577.531790]  ? trace_hardirqs_on+0xbd/0x310
[  577.536114]  ? kasan_check_read+0x11/0x20
[  577.540265]  ? __run_timers+0x7da/0xc70
[  577.544245]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  577.549720]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  577.553978]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  577.558216]  __run_timers+0x7e5/0xc70
[  577.562047]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  577.567439]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  577.572458]  ? graph_lock+0x170/0x170
[  577.576264]  ? enqueue_hrtimer+0x1a5/0x560
[  577.580529]  ? lock_release+0x970/0x970
[  577.584505]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  577.589705]  ? find_held_lock+0x36/0x1c0
[  577.593777]  ? graph_lock+0x170/0x170
[  577.597581]  ? pvclock_read_flags+0x160/0x160
[  577.602081]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  577.607616]  ? check_preemption_disabled+0x48/0x200
[  577.612646]  ? __lock_is_held+0xb5/0x140
[  577.616717]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  577.622253]  ? check_preemption_disabled+0x48/0x200
[  577.627278]  run_timer_softirq+0x52/0xb0
[  577.631342]  ? rcu_read_lock_sched_held+0x108/0x120
[  577.636379]  __do_softirq+0x30b/0xad8
[  577.640191]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  577.645328]  ? pvclock_read_flags+0x160/0x160
[  577.649862]  ? lapic_next_event+0x5a/0x90
[  577.654010]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  577.659547]  ? check_preemption_disabled+0x48/0x200
[  577.664561]  ? check_preemption_disabled+0x48/0x200
[  577.669584]  ? kvm_clock_read+0x18/0x30
[  577.673560]  ? kvm_sched_clock_read+0x9/0x20
[  577.677971]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  577.683509]  ? check_preemption_disabled+0x48/0x200
[  577.688538]  irq_exit+0x17f/0x1c0
[  577.691996]  smp_apic_timer_interrupt+0x1cb/0x760
[  577.696846]  ? smp_reschedule_interrupt+0x109/0x650
[  577.701870]  ? smp_call_function_single_interrupt+0x650/0x650
[  577.707757]  ? interrupt_entry+0xb5/0xf0
[  577.711823]  ? trace_hardirqs_off_caller+0xbb/0x310
[  577.716837]  ? trace_hardirqs_off_caller+0xbb/0x310
[  577.721876]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  577.726719]  ? trace_hardirqs_on_caller+0x310/0x310
[  577.731734]  ? trace_hardirqs_on_caller+0x310/0x310
[  577.736753]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  577.742290]  ? check_preemption_disabled+0x48/0x200
[  577.747306]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  577.752854]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  577.757709]  apic_timer_interrupt+0xf/0x20
[  577.761942]  </IRQ>
[  577.764187] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  577.769120] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  577.788032] RSP: 0000:ffff8801ba62f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  577.795742] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  577.803008] RDX: 0000000000000000 RSI: ffff8801b881aa80 RDI: 0000000000000286
[  577.810277] RBP: ffff8801ba62f7b0 R08: ffff8801b881a200 R09: 0000000000000000
[  577.817545] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  577.824813] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  577.832123]  skb_clone+0x1bb/0x500
[  577.835700]  ? finish_task_switch+0x1b5/0x900
[  577.840233]  ? skb_split+0x11e0/0x11e0
[  577.844135]  ? preempt_notifier_register+0x200/0x200
[  577.849252]  ? __switch_to_asm+0x34/0x70
[  577.853316]  ? __switch_to_asm+0x34/0x70
[  577.857376]  ? __switch_to_asm+0x40/0x70
[  577.861447]  ? __switch_to_asm+0x34/0x70
[  577.865512]  ? __switch_to_asm+0x40/0x70
[  577.869575]  ? __switch_to_asm+0x34/0x70
[  577.873634]  ? __switch_to_asm+0x40/0x70
[  577.877701]  ? __switch_to_asm+0x34/0x70
[  577.881766]  ? __switch_to_asm+0x34/0x70
[  577.885826]  ? __switch_to_asm+0x40/0x70
[  577.889885]  ? __switch_to_asm+0x34/0x70
[  577.893957]  bpf_clone_redirect+0xb9/0x490
[  577.898197]  ? __schedule+0x874/0x1ed0
[  577.902094]  bpf_prog_3d1649e183dc2cc1+0xcce/0x1000
[  577.907126]  ? __sched_text_start+0x8/0x8
[  577.911285]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  577.916056]  ? find_held_lock+0x36/0x1c0
[  577.920142]  ? lock_acquire+0x1ed/0x520
[  577.924137]  ? bpf_test_run+0x32e/0x5a0
[  577.928116]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  577.933659]  ? check_preemption_disabled+0x48/0x200
[  577.938697]  ? kasan_check_read+0x11/0x20
[  577.942854]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  577.948133]  ? rcu_bh_qs+0xc0/0xc0
[  577.951683]  ? preempt_schedule+0x4d/0x60
[  577.955835]  ? ___preempt_schedule+0x16/0x18
[  577.960253]  ? bpf_test_run+0x1c0/0x5a0
[  577.964242]  ? netlink_diag_dump+0x2a0/0x2a0
[  577.968654]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  577.974201]  ? bpf_test_init.isra.9+0x70/0x100
[  577.978794]  ? bpf_prog_test_run_skb+0x634/0xb40
[  577.983562]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  577.988408]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  577.993959]  ? fput+0x130/0x1a0
[  577.997246]  ? __bpf_prog_get+0x9b/0x290
[  578.001315]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  578.006159]  ? bpf_prog_test_run+0x130/0x1a0
[  578.010590]  ? __x64_sys_bpf+0x3d8/0x510
[  578.014650]  ? bpf_prog_get+0x20/0x20
[  578.018481]  ? do_syscall_64+0x1b9/0x820
[  578.022545]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  578.027912]  ? syscall_return_slowpath+0x5e0/0x5e0
[  578.032843]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  578.037698]  ? trace_hardirqs_on_caller+0x310/0x310
[  578.042722]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  578.047746]  ? prepare_exit_to_usermode+0x291/0x3b0
[  578.052774]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  578.057628]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  578.063018] CPU: 1 PID: 11390 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  578.063024] warn_alloc_show_mem: 1 callbacks suppressed
[  578.063031] Mem-Info:
[  578.070387] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  578.075756] active_anon:122480 inactive_anon:112 isolated_anon:0
[  578.075756]  active_file:16 inactive_file:5 isolated_file:0
[  578.075756]  unevictable:0 dirty:0 writeback:0 unstable:0
[  578.075756]  slab_reclaimable:9164 slab_unreclaimable:1399977
[  578.075756]  mapped:40962 shmem:118 pagetables:796 bounce:0
[  578.075756]  free:13728 free_pcp:0 free_cma:0
[  578.078133] Call Trace:
[  578.087529] Node 0 active_anon:489920kB inactive_anon:448kB active_file:64kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:472kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 471040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  578.120200]  <IRQ>
[  578.122774] Node 0 
[  578.150273]  dump_stack+0x1c4/0x2b4
[  578.152427] 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
[  578.154632]  ? dump_stack_print_info.cold.2+0x52/0x52
[  578.158232] lowmem_reserve[]:
[  578.183742]  warn_alloc.cold.119+0xb7/0x1bd
[  578.188888]  0 2813
[  578.192002]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  578.196294]  6317 6317
[  578.198541]  ? lock_downgrade+0x900/0x900
[  578.203356] Node 0 
[  578.205856]  ? trace_hardirqs_off+0xb8/0x310
[  578.210000] DMA32 free:25276kB min:30028kB low:37532kB high:45036kB active_anon:12288kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2884608kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  578.212219]  ? trace_hardirqs_off+0xb8/0x310
[  578.216597] lowmem_reserve[]: 0
[  578.243499]  __alloc_pages_slowpath+0x2667/0x2d80
[  578.247877]  0 3503
[  578.251195]  ? warn_alloc+0x120/0x120
[  578.255979]  3503
[  578.258219]  ? lock_release+0x970/0x970
[  578.264056]  ? warn_alloc+0x120/0x120
[  578.268005] Node 0 
[  578.271801]  ? print_usage_bug+0xc0/0xc0
[  578.271833] Normal free:13728kB min:37384kB low:46728kB high:56072kB active_anon:477632kB inactive_anon:448kB active_file:64kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3587276kB mlocked:0kB kernel_stack:5408kB pagetables:3184kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  578.271840] lowmem_reserve[]:
[  578.274075]  ? warn_alloc+0x120/0x120
[  578.278114]  0
[  578.306225]  ? print_usage_bug+0xc0/0xc0
[  578.309310]  0
[  578.313112]  ? __lock_acquire+0x7ec/0x4ec0
[  578.314886]  0 0
[  578.318955]  ? __lock_acquire+0x7ec/0x4ec0
[  578.324964]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  578.326915] Node 0 
[  578.331147]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  578.336657] DMA: 
[  578.338895]  ? should_fail+0x22d/0xd01
[  578.344405] 1*4kB 
[  578.346474]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  578.350337] (U) 
[  578.352481]  ? __lock_acquire+0x7ec/0x4ec0
[  578.357558] 0*8kB 
[  578.359535]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  578.363747] 0*16kB 
[  578.366066]  ? __lock_acquire+0x7ec/0x4ec0
[  578.366083]  ? should_fail+0x22d/0xd01
[  578.371166] 1*32kB 
[  578.373409]  ? mark_held_locks+0x130/0x130
[  578.377623] (U) 
[  578.381529]  ? mark_held_locks+0x130/0x130
[  578.383747] 2*64kB 
[  578.387975]  ? graph_lock+0x170/0x170
[  578.389927] (U) 
[  578.394159]  ? print_usage_bug+0xc0/0xc0
[  578.396371] 1*128kB (U) 
[  578.400185]  ? graph_lock+0x170/0x170
[  578.402132] 1*256kB (U) 
[  578.406196]  ? print_usage_bug+0xc0/0xc0
[  578.408847] 0*512kB 
[  578.412642]  ? wq_watchdog_touch+0x9c/0xfe
[  578.415290] 1*1024kB 
[  578.419351]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  578.421652] (U) 
[  578.425885]  ? check_preemption_disabled+0x48/0x200
[  578.428273] 1*2048kB 
[  578.433805]  ? check_preemption_disabled+0x48/0x200
[  578.435756] (M) 
[  578.440770]  ? __lock_is_held+0xb5/0x140
[  578.443151] 3*4096kB 
[  578.448165]  __alloc_pages_nodemask+0xa80/0xde0
[  578.450116] (M) 
[  578.454169]  ? graph_lock+0x170/0x170
[  578.456563] = 15908kB
[  578.461224]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  578.463176] Node 0 
[  578.466976]  ? graph_lock+0x170/0x170
[  578.469362] DMA32: 
[  578.474378]  ? find_held_lock+0x36/0x1c0
[  578.476588] 5*4kB 
[  578.480393]  ? ____cache_alloc_node+0x1c7/0x1e0
[  578.482600] (UM) 
[  578.486653]  ? lock_downgrade+0x900/0x900
[  578.488783] 1*8kB 
[  578.493459]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  578.495497] (U) 
[  578.500127]  cache_grow_begin+0x91/0x8c0
[  578.502251] 4*16kB (UM) 
[  578.507793]  ? do_raw_spin_unlock+0xa7/0x2f0
[  578.509745] 3*32kB 
[  578.513806]  fallback_alloc+0x203/0x2e0
[  578.516452] (UM) 
[  578.520859]  ____cache_alloc_node+0x1c7/0x1e0
[  578.523062] 4*64kB (M) 
[  578.527042]  kmem_cache_alloc_node+0xe3/0x730
[  578.529074] 4*128kB (UM) 
[  578.533575]  ? ipv6_get_ifaddr+0x42e/0x620
[  578.536134] 3*256kB 
[  578.540629]  __alloc_skb+0x119/0x770
[  578.543357] (M) 
[  578.547602]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  578.549894] 4*512kB (UM) 
[  578.553614]  ? skb_scrub_packet+0x490/0x490
[  578.555567] 3*1024kB 
[  578.560840]  ? lock_downgrade+0x900/0x900
[  578.563577] (UM) 
[  578.567897]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  578.570283] 3*2048kB 
[  578.574433]  ? refcount_sub_and_test_checked+0x203/0x310
[  578.576472] (UM) 
[  578.582008]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  578.584398] 3*4096kB 
[  578.589852]  ? addrconf_rs_timer+0x6f0/0x6f0
[  578.591888] (M) 
[  578.597343]  ndisc_alloc_skb+0x144/0x340
[  578.599726] = 25276kB
[  578.604127]  ndisc_send_rs+0x331/0x6e0
[  578.606080] Node 0 
[  578.610135]  addrconf_rs_timer+0x3c0/0x6f0
[  578.612519] Normal: 
[  578.616405]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  578.618626] 1058*4kB 
[  578.622865]  call_timer_fn+0x272/0x920
[  578.625152] (UMEH) 
[  578.629378]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  578.631759] 417*8kB (UMEH) 
[  578.635648]  ? process_timeout+0x40/0x40
[  578.637863] 179*16kB 
[  578.642096]  ? find_held_lock+0x36/0x1c0
[  578.645001] (UME) 
[  578.649059]  ? __run_timers+0x7da/0xc70
[  578.651450] 63*32kB 
[  578.655508]  ? _raw_spin_unlock_irq+0x27/0x80
[  578.657628] (UMEH) 
[  578.661601]  ? _raw_spin_unlock_irq+0x27/0x80
[  578.663894] 21*64kB (UMH) 
[  578.668391]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  578.670604] 2*128kB (MH) 
[  578.675101]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  578.677922] 0*256kB 
[  578.682150]  ? trace_hardirqs_on+0xbd/0x310
[  578.684883] 0*512kB 
[  578.689457]  ? kasan_check_read+0x11/0x20
[  578.691757] 0*1024kB 
[  578.696074]  ? __run_timers+0x7da/0xc70
[  578.698372] 0*2048kB 
[  578.702518]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  578.704909] 0*4096kB 
[  578.708875]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  578.711260] = 14048kB
[  578.716733]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  578.719125] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  578.723344]  __run_timers+0x7e5/0xc70
[  578.725782] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  578.730056]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  578.738858] 164 total pagecache pages
[  578.742652]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  578.751202] 0 pages in swap cache
[  578.756555]  ? graph_lock+0x170/0x170
[  578.760334] Swap cache stats: add 0, delete 0, find 0/0
[  578.765335]  ? enqueue_hrtimer+0x1a5/0x560
[  578.768765] Free swap  = 0kB
[  578.772557]  ? lock_release+0x970/0x970
[  578.777979] Total swap = 0kB
[  578.777988] 1965979 pages RAM
[  578.782218]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  578.785208] 0 pages HighMem/MovableOnly
[  578.785217] 344031 pages reserved
[  578.789194]  ? find_held_lock+0x36/0x1c0
[  578.792177] 0 pages cma reserved
[  578.792258] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  578.795292]  ? graph_lock+0x170/0x170
[  578.800551] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  578.804436]  ? pvclock_read_flags+0x160/0x160
[  578.807884] syz-executor4 cpuset=
[  578.811954]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  578.815292] syz4
[  578.821795]  ? check_preemption_disabled+0x48/0x200
[  578.825572]  mems_allowed=0
[  578.836058]  ? __lock_is_held+0xb5/0x140
[  578.863457]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  578.868996]  ? check_preemption_disabled+0x48/0x200
[  578.874025]  run_timer_softirq+0x52/0xb0
[  578.878094]  ? rcu_read_lock_sched_held+0x108/0x120
[  578.883113]  __do_softirq+0x30b/0xad8
[  578.886932]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  578.892047]  ? pvclock_read_flags+0x160/0x160
[  578.896542]  ? lapic_next_event+0x5a/0x90
[  578.900692]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  578.906231]  ? check_preemption_disabled+0x48/0x200
[  578.911245]  ? check_preemption_disabled+0x48/0x200
[  578.916271]  ? kvm_clock_read+0x18/0x30
[  578.920250]  ? kvm_sched_clock_read+0x9/0x20
[  578.924661]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  578.930203]  ? check_preemption_disabled+0x48/0x200
[  578.935237]  irq_exit+0x17f/0x1c0
[  578.938698]  smp_apic_timer_interrupt+0x1cb/0x760
[  578.943542]  ? smp_reschedule_interrupt+0x109/0x650
[  578.948564]  ? smp_call_function_single_interrupt+0x650/0x650
[  578.954461]  ? interrupt_entry+0xb5/0xf0
[  578.958531]  ? trace_hardirqs_off_caller+0xbb/0x310
[  578.963553]  ? trace_hardirqs_off_caller+0xbb/0x310
[  578.968574]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  578.973429]  ? trace_hardirqs_on_caller+0x310/0x310
[  578.978458]  ? trace_hardirqs_on_caller+0x310/0x310
[  578.983480]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  578.989016]  ? check_preemption_disabled+0x48/0x200
[  578.994036]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  578.999598]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  579.004456]  apic_timer_interrupt+0xf/0x20
[  579.008689]  </IRQ>
[  579.010930] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  579.015866] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  579.034764] RSP: 0000:ffff8801866cf748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  579.042476] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  579.049743] RDX: 0000000000000000 RSI: ffff8801ce554f00 RDI: 0000000000000286
[  579.057012] RBP: ffff8801866cf7b0 R08: ffff8801ce554680 R09: 0000000000000000
[  579.064279] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  579.071548] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  579.078864]  skb_clone+0x1bb/0x500
[  579.082412]  ? finish_task_switch+0x2f5/0x900
[  579.086924]  ? skb_split+0x11e0/0x11e0
[  579.090821]  ? preempt_notifier_register+0x200/0x200
[  579.095928]  ? __switch_to_asm+0x34/0x70
[  579.099992]  ? __switch_to_asm+0x34/0x70
[  579.104063]  ? __switch_to_asm+0x40/0x70
[  579.108124]  ? __switch_to_asm+0x34/0x70
[  579.112190]  ? __switch_to_asm+0x40/0x70
[  579.116255]  ? __switch_to_asm+0x34/0x70
[  579.120317]  ? __switch_to_asm+0x40/0x70
[  579.124385]  ? __switch_to_asm+0x34/0x70
[  579.128456]  ? __switch_to_asm+0x34/0x70
[  579.132523]  ? __switch_to_asm+0x40/0x70
[  579.136584]  ? __switch_to_asm+0x34/0x70
[  579.140659]  bpf_clone_redirect+0xb9/0x490
[  579.144901]  ? __schedule+0x874/0x1ed0
[  579.148800]  bpf_prog_3d1649e183dc2cc1+0x379/0x1000
[  579.153821]  ? __sched_text_start+0x8/0x8
[  579.157979]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  579.162747]  ? find_held_lock+0x36/0x1c0
[  579.166817]  ? lock_acquire+0x1ed/0x520
[  579.170799]  ? bpf_test_run+0x32e/0x5a0
[  579.174776]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  579.180316]  ? check_preemption_disabled+0x48/0x200
[  579.185337]  ? kasan_check_read+0x11/0x20
[  579.189495]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  579.194781]  ? rcu_bh_qs+0xc0/0xc0
[  579.198326]  ? preempt_schedule+0x4d/0x60
[  579.202482]  ? ___preempt_schedule+0x16/0x18
[  579.206902]  ? bpf_test_run+0x1c0/0x5a0
[  579.210893]  ? netlink_diag_dump+0x2a0/0x2a0
[  579.215307]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  579.220851]  ? bpf_test_init.isra.9+0x70/0x100
[  579.225453]  ? bpf_prog_test_run_skb+0x634/0xb40
[  579.230225]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  579.235072]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  579.240612]  ? fput+0x130/0x1a0
[  579.243900]  ? __bpf_prog_get+0x9b/0x290
[  579.247976]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  579.252827]  ? bpf_prog_test_run+0x130/0x1a0
[  579.257247]  ? __x64_sys_bpf+0x3d8/0x510
[  579.261314]  ? bpf_prog_get+0x20/0x20
[  579.265139]  ? do_syscall_64+0x1b9/0x820
[  579.269214]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  579.274584]  ? syscall_return_slowpath+0x5e0/0x5e0
[  579.279521]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  579.284368]  ? trace_hardirqs_on_caller+0x310/0x310
[  579.289391]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  579.294427]  ? prepare_exit_to_usermode+0x291/0x3b0
[  579.299463]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  579.304326]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  579.309715] CPU: 0 PID: 11399 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  579.309792] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  579.317076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  579.317081] Call Trace:
[  579.317088]  <IRQ>
[  579.317109]  dump_stack+0x1c4/0x2b4
[  579.317127]  ? dump_stack_print_info.cold.2+0x52/0x52
[  579.323664] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  579.332973]  warn_alloc.cold.119+0xb7/0x1bd
[  579.335522] syz-executor4 cpuset=
[  579.337670]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  579.341273] syz4
[  579.346463]  ? lock_downgrade+0x900/0x900
[  579.356928]  mems_allowed=0
[  579.361250]  ? trace_hardirqs_off+0xb8/0x310
[  579.383176]  ? trace_hardirqs_off+0xb8/0x310
[  579.387600]  __alloc_pages_slowpath+0x2667/0x2d80
[  579.392488]  ? warn_alloc+0x120/0x120
[  579.396294]  ? trace_hardirqs_on+0x310/0x310
[  579.400716]  ? warn_alloc+0x120/0x120
[  579.404521]  ? print_usage_bug+0xc0/0xc0
[  579.408590]  ? warn_alloc+0x120/0x120
[  579.412395]  ? ktime_get+0x2e1/0x440
[  579.416121]  ? print_usage_bug+0xc0/0xc0
[  579.420188]  ? __lock_acquire+0x7ec/0x4ec0
[  579.424434]  ? __lock_acquire+0x7ec/0x4ec0
[  579.428934]  ? kasan_check_read+0x11/0x20
[  579.433087]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  579.438632]  ? should_fail+0x22d/0xd01
[  579.442525]  ? rcu_bh_qs+0xc0/0xc0
[  579.446078]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  579.451185]  ? __lock_acquire+0x7ec/0x4ec0
[  579.455437]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  579.460545]  ? __lock_acquire+0x7ec/0x4ec0
[  579.464782]  ? should_fail+0x22d/0xd01
[  579.468695]  ? rcu_idle_enter+0x4b0/0x4b0
[  579.472857]  ? mark_held_locks+0x130/0x130
[  579.477102]  ? mark_held_locks+0x130/0x130
[  579.481346]  ? mark_held_locks+0xc7/0x130
[  579.485497]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  579.490516]  ? graph_lock+0x170/0x170
[  579.494319]  ? print_usage_bug+0xc0/0xc0
[  579.498389]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  579.503939]  ? check_preemption_disabled+0x48/0x200
[  579.508960]  ? check_preemption_disabled+0x48/0x200
[  579.513990]  ? __lock_is_held+0xb5/0x140
[  579.518060]  __alloc_pages_nodemask+0xa80/0xde0
[  579.522735]  ? graph_lock+0x170/0x170
[  579.526545]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  579.531566]  ? graph_lock+0x170/0x170
[  579.535384]  ? find_held_lock+0x36/0x1c0
[  579.539467]  ? ____cache_alloc_node+0x1c7/0x1e0
[  579.544143]  ? lock_downgrade+0x900/0x900
[  579.548301]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  579.553848]  cache_grow_begin+0x91/0x8c0
[  579.557916]  ? do_raw_spin_unlock+0xa7/0x2f0
[  579.562342]  fallback_alloc+0x203/0x2e0
[  579.566328]  ____cache_alloc_node+0x1c7/0x1e0
[  579.570839]  kmem_cache_alloc_node+0xe3/0x730
[  579.575341]  ? ipv6_get_ifaddr+0x42e/0x620
[  579.579594]  __alloc_skb+0x119/0x770
[  579.583313]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  579.588600]  ? skb_scrub_packet+0x490/0x490
[  579.592931]  ? lock_downgrade+0x900/0x900
[  579.597094]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  579.602639]  ? refcount_sub_and_test_checked+0x203/0x310
[  579.608097]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  579.613552]  ? addrconf_rs_timer+0x6f0/0x6f0
[  579.617984]  ndisc_alloc_skb+0x144/0x340
[  579.622054]  ndisc_send_rs+0x331/0x6e0
[  579.625949]  addrconf_rs_timer+0x3c0/0x6f0
[  579.630191]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  579.634457]  call_timer_fn+0x272/0x920
[  579.638349]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  579.642588]  ? process_timeout+0x40/0x40
[  579.646652]  ? find_held_lock+0x36/0x1c0
[  579.650730]  ? __run_timers+0x7da/0xc70
[  579.654718]  ? _raw_spin_unlock_irq+0x27/0x80
[  579.659219]  ? _raw_spin_unlock_irq+0x27/0x80
[  579.663718]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  579.667960]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  579.672550]  ? trace_hardirqs_on+0xbd/0x310
[  579.676871]  ? kasan_check_read+0x11/0x20
[  579.681026]  ? __run_timers+0x7da/0xc70
[  579.685005]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  579.690464]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  579.694709]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  579.698950]  __run_timers+0x7e5/0xc70
[  579.702768]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  579.708137]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  579.713157]  ? graph_lock+0x170/0x170
[  579.716964]  ? enqueue_hrtimer+0x1a5/0x560
[  579.721202]  ? lock_release+0x970/0x970
[  579.725182]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  579.730383]  ? find_held_lock+0x36/0x1c0
[  579.734456]  ? graph_lock+0x170/0x170
[  579.738263]  ? pvclock_read_flags+0x160/0x160
[  579.742761]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  579.748301]  ? check_preemption_disabled+0x48/0x200
[  579.753333]  ? __lock_is_held+0xb5/0x140
[  579.757402]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  579.762951]  ? check_preemption_disabled+0x48/0x200
[  579.767976]  run_timer_softirq+0x52/0xb0
[  579.772040]  ? rcu_read_lock_sched_held+0x108/0x120
[  579.777065]  __do_softirq+0x30b/0xad8
[  579.780886]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  579.786007]  ? pvclock_read_flags+0x160/0x160
[  579.790506]  ? lapic_next_event+0x5a/0x90
[  579.794658]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  579.800202]  ? check_preemption_disabled+0x48/0x200
[  579.805220]  ? check_preemption_disabled+0x48/0x200
[  579.810245]  ? kvm_clock_read+0x18/0x30
[  579.814227]  ? kvm_sched_clock_read+0x9/0x20
[  579.818641]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  579.824181]  ? check_preemption_disabled+0x48/0x200
[  579.829213]  irq_exit+0x17f/0x1c0
[  579.832673]  smp_apic_timer_interrupt+0x1cb/0x760
[  579.837540]  ? smp_reschedule_interrupt+0x109/0x650
[  579.842597]  ? smp_call_function_single_interrupt+0x650/0x650
[  579.848500]  ? interrupt_entry+0xb5/0xf0
[  579.852571]  ? trace_hardirqs_off_caller+0xbb/0x310
[  579.857592]  ? trace_hardirqs_off_caller+0xbb/0x310
[  579.862613]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  579.867459]  ? trace_hardirqs_on_caller+0x310/0x310
[  579.872479]  ? trace_hardirqs_on_caller+0x310/0x310
[  579.877498]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  579.883038]  ? check_preemption_disabled+0x48/0x200
[  579.888058]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  579.893608]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  579.898469]  apic_timer_interrupt+0xf/0x20
[  579.902706]  </IRQ>
[  579.904953] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  579.909887] Code: 7e 0f 85 cf fe ff ff e8 46 8a 3e ff e9 c5 fe ff ff e8 5d fc c2 ff 48 83 3d 1d 47 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 af
[  579.928791] RSP: 0000:ffff8801ba62f748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  579.936504] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  579.943773] RDX: 0000000000000000 RSI: ffff8801b881aa80 RDI: 0000000000000286
[  579.951043] RBP: ffff8801ba62f7b0 R08: ffff8801b881a200 R09: 0000000000000000
[  579.958312] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  579.965584] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  579.972906]  skb_clone+0x1bb/0x500
[  579.976460]  ? finish_task_switch+0x1b5/0x900
[  579.980968]  ? skb_split+0x11e0/0x11e0
[  579.984865]  ? preempt_notifier_register+0x200/0x200
[  579.989971]  ? __switch_to_asm+0x34/0x70
[  579.994034]  ? __switch_to_asm+0x34/0x70
[  579.998095]  ? __switch_to_asm+0x40/0x70
[  580.002160]  ? __switch_to_asm+0x34/0x70
[  580.006224]  ? __switch_to_asm+0x40/0x70
[  580.010285]  ? __switch_to_asm+0x34/0x70
[  580.014347]  ? __switch_to_asm+0x40/0x70
[  580.018408]  ? __switch_to_asm+0x34/0x70
[  580.022485]  ? __switch_to_asm+0x34/0x70
[  580.026545]  ? __switch_to_asm+0x40/0x70
[  580.030606]  ? __switch_to_asm+0x34/0x70
[  580.034674]  bpf_clone_redirect+0xb9/0x490
[  580.038919]  ? __schedule+0x874/0x1ed0
[  580.042818]  bpf_prog_3d1649e183dc2cc1+0xcce/0x1000
[  580.047838]  ? __sched_text_start+0x8/0x8
[  580.051996]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  580.056763]  ? find_held_lock+0x36/0x1c0
[  580.060834]  ? lock_acquire+0x1ed/0x520
[  580.064813]  ? bpf_test_run+0x32e/0x5a0
[  580.068793]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  580.074336]  ? check_preemption_disabled+0x48/0x200
[  580.079358]  ? kasan_check_read+0x11/0x20
[  580.083512]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  580.088793]  ? rcu_bh_qs+0xc0/0xc0
[  580.092340]  ? preempt_schedule+0x4d/0x60
[  580.096499]  ? ___preempt_schedule+0x16/0x18
[  580.100927]  ? bpf_test_run+0x1c0/0x5a0
[  580.104916]  ? netlink_diag_dump+0x2a0/0x2a0
[  580.109333]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  580.114902]  ? bpf_test_init.isra.9+0x70/0x100
[  580.119498]  ? bpf_prog_test_run_skb+0x634/0xb40
[  580.124272]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  580.129120]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  580.134661]  ? fput+0x130/0x1a0
[  580.137952]  ? __bpf_prog_get+0x9b/0x290
[  580.142025]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  580.146891]  ? bpf_prog_test_run+0x130/0x1a0
[  580.151312]  ? __x64_sys_bpf+0x3d8/0x510
[  580.155375]  ? bpf_prog_get+0x20/0x20
[  580.159202]  ? do_syscall_64+0x1b9/0x820
[  580.163271]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  580.168641]  ? syscall_return_slowpath+0x5e0/0x5e0
[  580.173577]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  580.178433]  ? trace_hardirqs_on_caller+0x310/0x310
[  580.183463]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  580.188485]  ? prepare_exit_to_usermode+0x291/0x3b0
[  580.193509]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  580.198364]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  580.203744] warn_alloc_show_mem: 1 callbacks suppressed
[  580.203756] CPU: 1 PID: 11390 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #258
[  580.203758] Mem-Info:
[  580.203791] active_anon:122480 inactive_anon:112 isolated_anon:0