
[  204.439323]  ? smp_reschedule_interrupt+0x109/0x650
[  204.439339]  ? smp_call_function_single_interrupt+0x650/0x650
[  204.439352]  ? interrupt_entry+0xb5/0xf0
[  204.439367]  ? trace_hardirqs_off_caller+0xbb/0x300
[  204.439389]  ? trace_hardirqs_off_caller+0xbb/0x300
[  204.439410]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  204.439425]  ? trace_hardirqs_off+0x300/0x300
[  204.439437]  ? trace_hardirqs_off+0x300/0x300
[  204.439451]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  204.439466]  ? check_preemption_disabled+0x48/0x200
[  204.439479]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  204.439500]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  204.439523]  apic_timer_interrupt+0xf/0x20
[  204.439529]  </IRQ>
[  204.439543] RIP: 0010:vprintk_emit+0x824/0x930
[  204.439556] Code: 00 00 00 00 fc ff df 41 80 3c 04 00 0f 85 c5 00 00 00 48 83 3d 74 59 ed 07 00 74 2d e8 f5 fe 19 00 48 8b bd 90 fe ff ff 57 9d <0f> 1f 44 00 00 e9 68 fe ff ff e8 dd fe 19 00 0f 0b e8 d6 fe 19 00
[  204.439564] RSP: 0000:ffff8801d9a4e020 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  204.439579] RAX: ffff8801d9a40040 RBX: 1ffff1003b349c0a RCX: 1ffff1003b34812b
[  204.439587] RDX: 0000000000000000 RSI: ffffffff8164d03b RDI: 0000000000000293
[  204.439596] RBP: ffff8801d9a4e198 R08: ffff8801d9a40958 R09: 0000000000000006
[  204.439605] R10: 0000000000000000 R11: ffff8801d9a40040 R12: 1ffffffff12a4535
[  204.439613] R13: 0000000000000200 R14: ffff8801d9a4e170 R15: 0000000000000000
[  204.439638]  ? vprintk_emit+0x81b/0x930
[  204.439664]  ? wake_up_klogd+0x180/0x180
[  204.439684]  ? find_held_lock+0x36/0x1c0
[  204.439706]  ? mark_held_locks+0xc7/0x130
[  204.439722]  ? _raw_spin_unlock_irq+0x27/0x80
[  204.439735]  ? _raw_spin_unlock_irq+0x27/0x80
[  204.439756]  vprintk_default+0x28/0x30
[  204.439770]  vprintk_func+0x7e/0x181
[  204.439787]  printk+0xa7/0xcf
[  204.439803]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  204.439819]  ? _raw_spin_unlock_irq+0x60/0x80
[  204.439844]  dump_unreclaimable_slab.cold.22+0xd8/0xe5
[  204.439865]  dump_header+0x7cc/0xf72
[  204.439890]  ? pagefault_out_of_memory+0x197/0x197
[  204.439908]  ? mark_held_locks+0x130/0x130
[  204.439924]  ? __lock_acquire+0x7ec/0x4ec0
[  204.439937]  ? mem_cgroup_charge_statistics+0x780/0x780
[  204.439951]  ? print_usage_bug+0xc0/0xc0
[  204.439965]  ? print_usage_bug+0xc0/0xc0
[  204.439985]  ? graph_lock+0x170/0x170
[  204.439996]  ? graph_lock+0x170/0x170
[  204.440011]  ? print_usage_bug+0xc0/0xc0
[  204.440032]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  204.440051]  ? find_held_lock+0x36/0x1c0
[  204.440072]  ? mark_held_locks+0xc7/0x130
[  204.440088]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  204.440102]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  204.440116]  ? lockdep_hardirqs_on+0x421/0x5c0
[  204.440131]  ? trace_hardirqs_on+0xbd/0x310
[  204.440144]  ? kasan_check_read+0x11/0x20
[  204.440157]  ? ___ratelimit+0x36f/0x655
[  204.440172]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  204.440187]  ? trace_hardirqs_on+0x310/0x310
[  204.440202]  ? lock_downgrade+0x900/0x900
[  204.440221]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  204.440236]  ? ___ratelimit+0xaa/0x655
[  204.440253]  ? idr_get_free+0xec0/0xec0
[  204.440269]  ? kasan_check_write+0x14/0x20
[  204.440283]  ? do_raw_spin_lock+0xc1/0x200
[  204.440304]  oom_kill_process.cold.27+0x10/0x903
[  204.440318]  ? graph_lock+0x170/0x170
[  204.440330]  ? _raw_spin_unlock+0x2c/0x50
[  204.440343]  ? oom_badness+0xe6/0xaa0
[  204.440363]  ? oom_evaluate_task+0x540/0x540
[  204.440410]  ? find_held_lock+0x36/0x1c0
[  204.440432]  ? out_of_memory+0x974/0x14c0
[  204.440460]  ? lock_downgrade+0x900/0x900
[  204.440475]  ? check_preemption_disabled+0x48/0x200
[  204.440496]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  204.440510]  ? kasan_check_read+0x11/0x20
[  204.440526]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  204.440542]  ? rcu_bh_qs+0xc0/0xc0
[  204.440560]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  204.440574]  ? oom_evaluate_task+0x302/0x540
[  204.440593]  out_of_memory+0xa86/0x14c0
[  204.440629]  ? oom_killer_disable+0x3a0/0x3a0
[  204.440644]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  204.440675]  ? __mutex_add_waiter+0x2a0/0x2a0
[  204.440701]  __alloc_pages_slowpath+0x2318/0x2d80
[  204.440744]  ? warn_alloc+0x120/0x120
[  204.440757]  ? __radix_tree_lookup+0x4c0/0x4c0
[  204.440782]  ? find_get_entry+0x2f2/0xc40
[  204.440819]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  204.440836]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  204.440850]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  204.440864]  ? should_fail+0x22d/0xd01
[  204.440884]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  204.440910]  ? __lock_is_held+0xb5/0x140
[  204.440953]  ? __lock_is_held+0xb5/0x140
[  204.440993]  ? kasan_check_read+0x11/0x20
[  204.441034]  ? ___might_sleep+0x1ed/0x300
[  204.441046]  ? lock_release+0x970/0x970
[  204.441076]  ? arch_local_save_flags+0x40/0x40
[  204.441102]  ? __might_sleep+0x95/0x190
[  204.441120]  __alloc_pages_nodemask+0xa80/0xde0
[  204.441141]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  204.441158]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  204.441171]  ? kasan_check_read+0x11/0x20
[  204.441186]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  204.441202]  ? graph_lock+0x170/0x170
[  204.441217]  ? print_usage_bug+0xc0/0xc0
[  204.441234]  ? graph_lock+0x170/0x170
[  204.441246]  ? graph_lock+0x170/0x170
[  204.441260]  ? __do_page_cache_readahead+0x7ce/0x980
[  204.441280]  ? find_held_lock+0x36/0x1c0
[  204.441298]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  204.441316]  alloc_pages_current+0x10c/0x210
[  204.441328]  ? lock_downgrade+0x900/0x900
[  204.441346]  __page_cache_alloc+0x38f/0x5b0
[  204.441360]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  204.441384]  ? kasan_check_read+0x11/0x20
[  204.441405]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  204.441423]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  204.441437]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  204.441453]  ? check_preemption_disabled+0x48/0x200
[  204.441475]  filemap_fault+0x1594/0x25f0
[  204.441501]  ? __lock_page_or_retry+0xa00/0xa00
[  204.441516]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  204.441529]  ? kasan_check_read+0x11/0x20
[  204.441544]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  204.441559]  ? rcu_bh_qs+0xc0/0xc0
[  204.441586]  ? filemap_map_pages+0xdea/0x1980
[  204.441618]  ? find_get_pages_range_tag+0x1320/0x1320
[  204.441631]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  204.441642]  ? fput+0x130/0x1a0
[  204.441658]  ? graph_lock+0x170/0x170
[  204.441695]  ? lock_acquire+0x1ed/0x520
[  204.441708]  ? ext4_filemap_fault+0x7a/0xad
[  204.441728]  ? lock_release+0x970/0x970
[  204.441742]  ? arch_local_save_flags+0x40/0x40
[  204.441759]  ? select_estimate_accuracy+0x4b0/0x4b0
[  204.441784]  ? down_read+0xb0/0x1d0
[  204.441796]  ? ext4_filemap_fault+0x7a/0xad
[  204.441810]  ? __down_interruptible+0x700/0x700
[  204.441841]  ext4_filemap_fault+0x82/0xad
[  204.441856]  __do_fault+0x100/0x6b0
[  204.441889]  ? print_bad_pte+0x6c0/0x6c0
[  204.441902]  ? find_held_lock+0x36/0x1c0
[  204.441932]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  204.441946]  ? pmd_val+0x88/0x100
[  204.441961]  ? add_mm_counter_fast+0xd0/0xd0
[  204.441974]  ? pmd_val+0x88/0x100
[  204.441990]  ? add_mm_counter_fast+0xd0/0xd0
[  204.442008]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  204.442029]  __handle_mm_fault+0x3709/0x53e0
[  204.442054]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  204.442069]  ? graph_lock+0x170/0x170
[  204.442085]  ? print_usage_bug+0xc0/0xc0
[  204.442100]  ? lock_downgrade+0x900/0x900
[  204.442115]  ? graph_lock+0x170/0x170
[  204.442128]  ? graph_lock+0x170/0x170
[  204.442176]  ? handle_mm_fault+0x42a/0xc70
[  204.442191]  ? lock_downgrade+0x900/0x900
[  204.442206]  ? check_preemption_disabled+0x48/0x200
[  204.442226]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  204.442240]  ? kasan_check_read+0x11/0x20
[  204.442255]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  204.442271]  ? rcu_bh_qs+0xc0/0xc0
[  204.442284]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  204.442300]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  204.442315]  ? check_preemption_disabled+0x48/0x200
[  204.442337]  handle_mm_fault+0x54f/0xc70
[  204.442356]  ? __handle_mm_fault+0x53e0/0x53e0
[  204.442382]  ? find_vma+0x34/0x190
[  204.442409]  __do_page_fault+0x67d/0xed0
[  204.442433]  ? mm_fault_error+0x380/0x380
[  204.442446]  ? trace_hardirqs_off+0xb8/0x300
[  204.442461]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  204.442476]  ? trace_hardirqs_on+0x310/0x310
[  204.442496]  do_page_fault+0xf2/0x7e0
[  204.442512]  ? vmalloc_sync_all+0x30/0x30
[  204.442526]  ? error_entry+0x70/0xd0
[  204.442541]  ? trace_hardirqs_off_caller+0xbb/0x300
[  204.442554]  ? trace_hardirqs_on_caller+0xc0/0x300
[  204.442568]  ? syscall_return_slowpath+0x5e0/0x5e0
[  204.442582]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  204.442597]  ? trace_hardirqs_off+0x300/0x300
[  204.442610]  ? trace_hardirqs_off_caller+0x300/0x300
[  204.442626]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  204.442643]  ? prepare_exit_to_usermode+0x291/0x3b0
[  204.442657]  ? page_fault+0x8/0x30
[  204.442674]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  204.442692]  ? page_fault+0x8/0x30
[  204.442708]  page_fault+0x1e/0x30
[  204.442718] RIP: 0033:0x404d65
[  204.442729] Code: Bad RIP value.
[  204.442737] RSP: 002b:00007ffd12ff8180 EFLAGS: 00010217
[  204.442750] RAX: 0000000000000000 RBX: 00007ffd12ff8320 RCX: 00007f4eb7ededd3
[  204.442758] RDX: 0000000000000000 RSI: 00007ffd12ff84d0 RDI: 000000000000000b
[  204.442767] RBP: 00007ffd12ff84d0 R08: 00007ffd12ff8550 R09: 0000000000000001
[  204.442775] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
[  204.442784] R13: 00007ffd12ff88b0 R14: 0000000000000000 R15: 0000000000000000
[  209.403286] warn_alloc: 100115 callbacks suppressed
[  209.403309] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  209.405510] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  209.409219] syz-executor1 cpuset=syz1 mems_allowed=0
[  209.413014] ksoftirqd/0 cpuset=
[  209.416481] CPU: 1 PID: 10110 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
[  209.416495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  209.419832] /
[  209.423149] Call Trace:
[  209.423171]  dump_stack+0x1c4/0x2b4
[  209.423191]  ? dump_stack_print_info.cold.2+0x52/0x52
[  209.423223]  warn_alloc.cold.118+0xb7/0x1bd
[  209.423242]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  209.428728]  mems_allowed=0
[  209.436016]  ? lock_downgrade+0x900/0x900
[  216.320615]  ? trace_hardirqs_off+0xb8/0x300
[  216.325169]  ? trace_hardirqs_off+0xb8/0x300
[  216.329608]  __alloc_pages_slowpath+0x2667/0x2d80
[  216.334504]  ? warn_alloc+0x120/0x120
[  216.338331]  ? attach_entity_load_avg+0x860/0x860
[  216.343281]  ? warn_alloc+0x120/0x120
[  216.347107]  ? print_usage_bug+0xc0/0xc0
[  216.351187]  ? warn_alloc+0x120/0x120
[  216.355028]  ? print_usage_bug+0xc0/0xc0
[  216.359223]  ? trace_hardirqs_on+0xbd/0x310
[  216.363565]  ? kasan_check_read+0x11/0x20
[  216.367746]  ? rb_erase+0x3710/0x3710
[  216.371584]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  216.377065]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  216.382623]  ? should_fail+0x22d/0xd01
[  216.386528]  ? graph_lock+0x170/0x170
[  216.390351]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  216.395499]  ? __lock_acquire+0x7ec/0x4ec0
[  216.399761]  ? should_fail+0x22d/0xd01
[  216.403684]  ? mark_held_locks+0x130/0x130
[  216.407943]  ? mark_held_locks+0x130/0x130
[  216.412201]  ? __lock_acquire+0x7ec/0x4ec0
[  216.416465]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  216.422285]  ? graph_lock+0x170/0x170
[  216.426227]  ? graph_lock+0x170/0x170
[  216.430061]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  216.435620]  ? check_preemption_disabled+0x48/0x200
[  216.440656]  ? check_preemption_disabled+0x48/0x200
[  216.445700]  ? __lock_is_held+0xb5/0x140
[  216.449788]  __alloc_pages_nodemask+0xa80/0xde0
[  216.454477]  ? graph_lock+0x170/0x170
[  216.458304]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  216.463335]  ? graph_lock+0x170/0x170
[  216.467197]  ? find_held_lock+0x36/0x1c0
[  216.471288]  ? ____cache_alloc_node+0x1c7/0x1e0
[  216.476099]  ? lock_downgrade+0x900/0x900
[  216.480278]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  216.485847]  cache_grow_begin+0x91/0x8c0
[  216.489935]  ? do_raw_spin_unlock+0xa7/0x2f0
[  216.494397]  fallback_alloc+0x203/0x2e0
[  216.498426]  ____cache_alloc_node+0x1c7/0x1e0
[  216.502948]  kmem_cache_alloc+0x1f8/0x730
[  216.507132]  skb_clone+0x1bb/0x500
[  216.510691]  ? finish_task_switch+0x2f5/0x900
[  216.515205]  ? skb_split+0x11e0/0x11e0
[  216.519114]  ? preempt_notifier_register+0x200/0x200
[  216.524234]  ? __switch_to_asm+0x34/0x70
[  216.528310]  ? __switch_to_asm+0x34/0x70
[  216.532408]  ? __switch_to_asm+0x40/0x70
[  216.536490]  ? __switch_to_asm+0x34/0x70
[  216.540567]  ? __switch_to_asm+0x40/0x70
[  216.544644]  ? __switch_to_asm+0x34/0x70
[  216.548718]  ? __switch_to_asm+0x40/0x70
[  216.552792]  ? __switch_to_asm+0x34/0x70
[  216.556873]  ? __switch_to_asm+0x34/0x70
[  216.560955]  ? __switch_to_asm+0x40/0x70
[  216.565036]  ? __switch_to_asm+0x34/0x70
[  216.569124]  bpf_clone_redirect+0xb9/0x490
[  216.573403]  ? __schedule+0x874/0x1ed0
[  216.577317]  bpf_prog_bebbfe2050753572+0x482/0x1000
[  216.582354]  ? __sched_text_start+0x8/0x8
[  216.586575]  ? find_held_lock+0x36/0x1c0
[  216.590665]  ? lock_acquire+0x1ed/0x520
[  216.594656]  ? bpf_test_run+0x32e/0x5a0
[  216.598654]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  216.604211]  ? check_preemption_disabled+0x48/0x200
[  216.609343]  ? kasan_check_read+0x11/0x20
[  216.613537]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  216.618832]  ? rcu_bh_qs+0xc0/0xc0
[  216.622416]  ? preempt_schedule+0x4d/0x60
[  216.626736]  ? ___preempt_schedule+0x16/0x18
[  216.631280]  ? bpf_test_run+0x1c0/0x5a0
[  216.635283]  ? netlink_diag_dump+0x2a0/0x2a0
[  216.639715]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  216.645267]  ? bpf_test_init.isra.9+0x70/0x100
[  216.649882]  ? bpf_prog_test_run_skb+0x634/0xb40
[  216.654688]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  216.659545]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  216.665097]  ? fput+0x130/0x1a0
[  216.668421]  ? __bpf_prog_get+0x9b/0x290
[  216.672506]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  216.677363]  ? bpf_prog_test_run+0x130/0x1a0
[  216.681820]  ? __x64_sys_bpf+0x3d8/0x510
[  216.685906]  ? bpf_prog_get+0x20/0x20
[  216.689736]  ? ksys_ioctl+0x81/0xd0
[  216.693415]  ? do_syscall_64+0x1b9/0x820
[  216.697502]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  216.702887]  ? syscall_return_slowpath+0x5e0/0x5e0
[  216.707838]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  216.712700]  ? trace_hardirqs_off+0x300/0x300
[  216.717217]  ? prepare_exit_to_usermode+0x291/0x3b0
[  216.722259]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  216.727133]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  216.732531] warn_alloc_show_mem: 10 callbacks suppressed
[  216.732544] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
[  216.732547] Mem-Info:
[  216.732584] active_anon:39159 inactive_anon:1633 isolated_anon:0
[  216.732584]  active_file:15 inactive_file:16 isolated_file:0
[  216.732584]  unevictable:0 dirty:0 writeback:0 unstable:0
[  216.732584]  slab_reclaimable:8773 slab_unreclaimable:1470459
[  216.732584]  mapped:49330 shmem:1666 pagetables:630 bounce:0
[  216.732584]  free:13723 free_pcp:275 free_cma:0
[  216.738026] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  216.745145] Node 0 active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197320kB dirty:0kB writeback:0kB shmem:6664kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  216.747564] Call Trace:
[  216.780620] Node 0 
[  216.789992]  dump_stack+0x1c4/0x2b4
[  216.817742] 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
[  216.820318]  ? dump_stack_print_info.cold.2+0x52/0x52
[  216.822549] lowmem_reserve[]:
[  216.826198]  warn_alloc.cold.118+0xb7/0x1bd
[  216.851686]  0
[  216.856889]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  216.860162]  2817 6321
[  216.864508]  ? lock_downgrade+0x900/0x900
[  216.866302]  6321
[  216.871161]  ? trace_hardirqs_off+0xb8/0x300
[  216.873648] Node 0 
[  216.877810]  ? trace_hardirqs_off+0xb8/0x300
[  216.879889] DMA32 free:25172kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  216.884279]  __alloc_pages_slowpath+0x2667/0x2d80
[  216.886495] lowmem_reserve[]:
[  216.890934]  ? warn_alloc+0x120/0x120
[  216.917785]  0 0
[  216.922651]  ? __bfs+0x385/0x7a0
[  216.925752]  3503
[  216.929561]  ? print_usage_bug+0xc0/0xc0
[  216.931519]  3503
[  216.934892]  ? warn_alloc+0x120/0x120
[  216.941263]  ? print_usage_bug+0xc0/0xc0
[  216.943308] Node 0 
[  216.947105]  ? lock_pin_lock+0x350/0x350
[  216.951177] Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5408kB pagetables:2520kB bounce:0kB free_pcp:852kB local_pcp:248kB free_cma:0kB
[  216.953406]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  216.957440] lowmem_reserve[]:
[  216.985838]  ? should_fail+0x22d/0xd01
[  216.991356]  0
[  216.994482]  ? __lock_acquire+0x7ec/0x4ec0
[  216.998357]  0
[  217.000167]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  217.004391]  0
[  217.006203]  ? __lock_acquire+0x7ec/0x4ec0
[  217.011287]  0
[  217.013095]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  217.019131]  ? should_fail+0x22d/0xd01
[  217.024220] Node 0 DMA: 
[  217.028129]  ? mark_held_locks+0x130/0x130
[  217.028134] 1*4kB (U) 
[  217.030825]  ? mark_held_locks+0x130/0x130
[  217.035046] 0*8kB 
[  217.037555]  ? kasan_check_read+0x11/0x20
[  217.041778] 0*16kB 
[  217.044197]  ? __lock_acquire+0x2881/0x4ec0
[  217.044217]  ? graph_lock+0x170/0x170
[  217.048360] 1*32kB 
[  217.050628]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  217.054935] (U) 
[  217.058750]  ? check_preemption_disabled+0x48/0x200
[  217.060974] 2*64kB 
[  217.066518]  ? check_preemption_disabled+0x48/0x200
[  217.068483] (U) 
[  217.073516]  ? __lock_is_held+0xb5/0x140
[  217.073542]  __alloc_pages_nodemask+0xa80/0xde0
[  217.075765] 1*128kB (U) 
[  217.080800]  ? graph_lock+0x170/0x170
[  217.082765] 1*256kB (U) 
[  217.086849]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  217.091502] 0*512kB 1*1024kB 
[  217.094197]  ? graph_lock+0x170/0x170
[  217.097988] (U) 
[  217.100678]  ? find_held_lock+0x36/0x1c0
[  217.105676] 1*2048kB (M) 
[  217.108809]  ? ____cache_alloc_node+0x1c7/0x1e0
[  217.112589] 3*4096kB (M) 
[  217.114593]  ? lock_downgrade+0x900/0x900
[  217.118640] = 15908kB
[  217.118650] Node 0 
[  217.121443]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  217.126099] DMA32: 
[  217.128894]  cache_grow_begin+0x91/0x8c0
[  217.133036] 3*4kB 
[  217.135487]  ? do_raw_spin_unlock+0xa7/0x2f0
[  217.137693] (UM) 1*8kB 
[  217.143260]  fallback_alloc+0x203/0x2e0
[  217.145490] (U) 
[  217.149570]  ____cache_alloc_node+0x1c7/0x1e0
[  217.152051] 4*16kB (UM) 
[  217.156491]  kmem_cache_alloc_node+0xe3/0x730
[  217.159062] 2*32kB (UM) 
[  217.163062]  ? do_raw_spin_unlock+0xa7/0x2f0
[  217.165037] 3*64kB 
[  217.169564]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  217.172226] (UM) 4*128kB 
[  217.176751]  __alloc_skb+0x119/0x770
[  217.179434] (UM) 
[  217.183857]  ? skb_scrub_packet+0x490/0x490
[  217.186083] 3*256kB (UM) 
[  217.190693]  ? atomic_notifier_call_chain+0xc6/0x190
[  217.193439] 4*512kB (UM) 
[  217.197175]  ? lock_downgrade+0x900/0x900
[  217.199342] 3*1024kB (M) 
[  217.203725]  ? check_preemption_disabled+0x48/0x200
[  217.206469] 3*2048kB (UM) 
[  217.211600]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  217.214595] 3*4096kB (M) 
[  217.218768]  ? kasan_check_read+0x11/0x20
[  217.221845] = 25172kB
[  217.221855] Node 0 
[  217.226887]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  217.226903]  ? rcu_bh_qs+0xc0/0xc0
[  217.226918]  ? find_next_bit+0x104/0x130
[  217.226935]  ? do_raw_write_trylock+0x1c0/0x1c0
[  217.226959]  __neigh_notify+0x8c/0x160
[  217.226979]  ? __neigh_event_send+0x1390/0x1390
[  217.229920] Normal: 979*4kB 
[  217.235748]  neigh_timer_handler+0x6cb/0xdf0
[  217.238730] (ME) 
[  217.242897]  ? neigh_invalidate+0x550/0x550
[  217.245299] 483*8kB (UME) 
[  217.247626]  ? __lock_is_held+0xb5/0x140
[  217.247668]  call_timer_fn+0x272/0x920
[  217.253333] 201*16kB (ME) 
[  217.256930]  ? neigh_invalidate+0x550/0x550
[  217.261243] 59*32kB (UME) 
[  217.265959]  ? process_timeout+0x40/0x40
[  217.269839] 15*64kB 
[  217.274521]  ? find_held_lock+0x36/0x1c0
[  217.277529] (UM) 0*128kB 
[  217.281969]  ? __run_timers+0x7da/0xc70
[  217.284018] 0*256kB 0*512kB 
[  217.288366]  ? _raw_spin_unlock_irq+0x27/0x80
[  217.288426]  ? _raw_spin_unlock_irq+0x27/0x80
[  217.288441]  ? neigh_invalidate+0x550/0x550
[  217.288455]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  217.288704]  ? trace_hardirqs_on+0xbd/0x310
[  217.291720] 0*1024kB 0*2048kB 
[  217.295864]  ? kasan_check_read+0x11/0x20
[  217.299704] 0*4096kB = 13844kB
[  217.302575]  ? __run_timers+0x7da/0xc70
[  217.306896] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  217.309750]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  217.313809] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  217.313820] 1697 total pagecache pages
[  217.316164]  ? neigh_invalidate+0x550/0x550
[  217.320219] 0 pages in swap cache
[  217.322988]  __run_timers+0x7e5/0xc70
[  217.326955] Swap cache stats: add 0, delete 0, find 0/0
[  217.326966] Free swap  = 0kB
[  217.330007]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  217.334491] Total swap = 0kB
[  217.338998]  ? compat_start_thread+0x80/0x80
[  217.343424] 1965979 pages RAM
[  217.348025]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  217.352472] 0 pages HighMem/MovableOnly
[  217.352483] 342744 pages reserved
[  217.355694]  ? kasan_check_write+0x14/0x20
[  217.359830] 0 pages cma reserved
[  217.360246] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  217.363046]  ? finish_task_switch+0x2f5/0x900
[  217.367016] syz-executor1 cpuset=
[  217.375858]  ? __switch_to_asm+0x40/0x70
[  217.375879]  ? preempt_notifier_register+0x200/0x200
[  217.381328] syz1
[  217.389923]  ? __switch_to_asm+0x34/0x70
[  217.393822]  mems_allowed=0
[  217.398149]  ? __switch_to_asm+0x40/0x70
[  217.398166]  ? __switch_to_asm+0x34/0x70
[  217.495246]  ? __switch_to_asm+0x40/0x70
[  217.499321]  ? __switch_to_asm+0x34/0x70
[  217.503424]  ? __switch_to_asm+0x40/0x70
[  217.507518]  ? pvclock_read_flags+0x160/0x160
[  217.512033]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  217.517592]  ? check_preemption_disabled+0x48/0x200
[  217.522635]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  217.528193]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  217.533488]  ? rcu_pm_notify+0xc0/0xc0
[  217.537423]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  217.542984]  ? check_preemption_disabled+0x48/0x200
[  217.548030]  run_timer_softirq+0x52/0xb0
[  217.552110]  ? rcu_read_lock_sched_held+0x108/0x120
[  217.557143]  __do_softirq+0x30b/0xad8
[  217.560974]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  217.566103]  ? schedule+0x108/0x460
[  217.569752]  ? __schedule+0x1ed0/0x1ed0
[  217.573751]  ? trace_hardirqs_off+0xb8/0x300
[  217.578180]  ? ___might_sleep+0x1ed/0x300
[  217.582344]  ? smpboot_thread_fn+0x68b/0xa00
[  217.586800]  ? trace_hardirqs_on+0x310/0x310
[  217.591227]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  217.596787]  ? check_preemption_disabled+0x48/0x200
[  217.601821]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  217.607413]  ? takeover_tasklets+0xa90/0xa90
[  217.611845]  run_ksoftirqd+0x94/0x100
[  217.615665]  smpboot_thread_fn+0x68b/0xa00
[  217.619921]  ? sort_range+0x30/0x30
[  217.623568]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  217.628692]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  217.634313]  ? __kthread_parkme+0xfb/0x1a0
[  217.638574]  kthread+0x35a/0x420
[  217.641956]  ? sort_range+0x30/0x30
[  217.645597]  ? kthread_bind+0x40/0x40
[  217.649437]  ret_from_fork+0x3a/0x50
[  217.653190] CPU: 1 PID: 10110 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
[  217.653192] Mem-Info:
[  217.653225] active_anon:39159 inactive_anon:1633 isolated_anon:0
[  217.653225]  active_file:15 inactive_file:16 isolated_file:0
[  217.653225]  unevictable:0 dirty:0 writeback:0 unstable:0
[  217.653225]  slab_reclaimable:8773 slab_unreclaimable:1470459
[  217.653225]  mapped:49330 shmem:1666 pagetables:630 bounce:0
[  217.653225]  free:13723 free_pcp:275 free_cma:0
[  217.660497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  217.662961] Node 0 active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197320kB dirty:0kB writeback:0kB shmem:6664kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  217.696003] Call Trace:
[  217.705396] Node 0 
[  217.733075]  <IRQ>
[  217.735687] 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
[  217.737921]  dump_stack+0x1c4/0x2b4
[  217.740052] lowmem_reserve[]: 0
[  217.765667]  ? dump_stack_print_info.cold.2+0x52/0x52
[  217.769283]  2817
[  217.772584]  warn_alloc.cold.118+0xb7/0x1bd
[  217.777756]  6321
[  217.779832]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  217.784148]  6321
[  217.786225]  ? lock_downgrade+0x900/0x900
[  217.791058] Node 0 
[  217.793141]  ? trace_hardirqs_off+0xb8/0x300
[  217.797303] DMA32 free:25172kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  217.799531]  ? trace_hardirqs_off+0xb8/0x300
[  217.803921] lowmem_reserve[]: 0
[  217.830678]  __alloc_pages_slowpath+0x2667/0x2d80
[  217.835064]  0
[  217.838410]  ? warn_alloc+0x120/0x120
[  217.843280]  3503 3503
[  217.845108]  ? warn_alloc+0x120/0x120
[  217.848910] Node 0 
[  217.851445]  ? print_usage_bug+0xc0/0xc0
[  217.855264] Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5408kB pagetables:2520kB bounce:0kB free_pcp:852kB local_pcp:604kB free_cma:0kB
[  217.857490]  ? warn_alloc+0x120/0x120
[  217.861538] lowmem_reserve[]: 0
[  217.889935]  ? print_usage_bug+0xc0/0xc0
[  217.893736]  0
[  217.897174]  ? graph_lock+0x170/0x170
[  217.901227]  0
[  217.903045]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  217.906832]  0
[  217.908659]  ? should_fail+0x22d/0xd01
[  217.914186] Node 0 
[  217.916001]  ? __lock_acquire+0x7ec/0x4ec0
[  217.919882] DMA: 
[  217.922139]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  217.926397] 1*4kB 
[  217.928472]  ? __lock_acquire+0x7ec/0x4ec0
[  217.933572] (U) 
[  217.935743]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  217.939956] 0*8kB 0*16kB 
[  217.941958]  ? __lock_acquire+0x7ec/0x4ec0
[  217.947052] 1*32kB (U) 
[  217.949833]  ? should_fail+0x22d/0xd01
[  217.954065] 2*64kB 
[  217.956669]  ? mark_held_locks+0x130/0x130
[  217.960574] (U) 1*128kB 
[  217.962837]  ? mark_held_locks+0x130/0x130
[  217.967056] (U) 1*256kB 
[  217.969757]  ? try_to_wake_up+0x10a/0x12f0
[  217.973974] (U) 0*512kB 
[  217.976681]  ? graph_lock+0x170/0x170
[  217.980901] 1*1024kB (U) 
[  217.983595]  ? print_usage_bug+0xc0/0xc0
[  217.987411] 1*2048kB (M) 
[  217.990196]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  217.994245] 3*4096kB (M) 
[  217.997033]  ? check_preemption_disabled+0x48/0x200
[  218.002557] = 15908kB
[  218.002567] Node 0 
[  218.005342]  ? check_preemption_disabled+0x48/0x200
[  218.010351] DMA32: 
[  218.012805]  ? __lock_is_held+0xb5/0x140
[  218.015029] 3*4kB 
[  218.020059]  __alloc_pages_nodemask+0xa80/0xde0
[  218.022285] (UM) 
[  218.026364]  ? graph_lock+0x170/0x170
[  218.028539] 1*8kB (U) 
[  218.033235]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  218.035284] 4*16kB (UM) 
[  218.039107]  ? graph_lock+0x170/0x170
[  218.041600] 2*32kB 
[  218.046743]  ? find_held_lock+0x36/0x1c0
[  218.049428] (UM) 
[  218.053246]  ? ____cache_alloc_node+0x1c7/0x1e0
[  218.055472] 3*64kB 
[  218.059543]  ? lock_downgrade+0x900/0x900
[  218.061600] (UM) 
[  218.066284]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  218.068508] 4*128kB (UM) 
[  218.072684]  cache_grow_begin+0x91/0x8c0
[  218.074739] 3*256kB 
[  218.080287]  ? do_raw_spin_unlock+0xa7/0x2f0
[  218.083031] (UM) 4*512kB (UM) 
[  218.087126]  fallback_alloc+0x203/0x2e0
[  218.089446] 3*1024kB 
[  218.093875]  ____cache_alloc_node+0x1c7/0x1e0
[  218.097057] (M) 
[  218.101045]  kmem_cache_alloc_node+0xe3/0x730
[  218.103443] 3*2048kB (UM) 
[  218.107963]  ? ipv6_get_ifaddr+0x42e/0x620
[  218.109935] 3*4096kB 
[  218.114448]  __alloc_skb+0x119/0x770
[  218.117282] (M) 
[  218.121533]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  218.123934] = 25172kB
[  218.127658]  ? skb_scrub_packet+0x490/0x490
[  218.129637] Node 0 
[  218.134936]  ? lock_downgrade+0x900/0x900
[  218.137344] Normal: 
[  218.141839]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  218.144064] 979*4kB 
[  218.148229]  ? refcount_sub_and_test_checked+0x203/0x310
[  218.150546] (ME) 
[  218.156095]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  218.158424] 483*8kB (UME) 
[  218.163908]  ? addrconf_rs_timer+0x6f0/0x6f0
[  218.165952] 201*16kB (ME) 
[  218.171449]  ndisc_alloc_skb+0x144/0x340
[  218.174274] 59*32kB (UME) 
[  218.178762]  ndisc_send_rs+0x331/0x6e0
[  218.181596] 15*64kB (UM) 
[  218.185686]  addrconf_rs_timer+0x3c0/0x6f0
[  218.188520] 0*128kB 0*256kB 
[  218.192446]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  218.195194] 0*512kB 0*1024kB 
[  218.199465]  call_timer_fn+0x272/0x920
[  218.202464] 0*2048kB 0*4096kB 
[  218.206723]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  218.209817] = 13844kB
[  218.209833] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  218.213729]  ? process_timeout+0x40/0x40
[  218.216914] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  218.216924] 1697 total pagecache pages
[  218.221168]  ? find_held_lock+0x36/0x1c0
[  218.223577] 0 pages in swap cache
[  218.232448]  ? __run_timers+0x7da/0xc70
[  218.236493] Swap cache stats: add 0, delete 0, find 0/0
[  218.236503] Free swap  = 0kB
[  218.245093]  ? _raw_spin_unlock_irq+0x27/0x80
[  218.248976] Total swap = 0kB
[  218.253051]  ? _raw_spin_unlock_irq+0x27/0x80
[  218.256498] 1965979 pages RAM
[  218.260482]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  218.265832] 0 pages HighMem/MovableOnly
[  218.265842] 342744 pages reserved
[  218.268874]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  218.273363] 0 pages cma reserved
[  218.276448]  ? trace_hardirqs_on+0xbd/0x310
[  218.281188] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  218.284055]  ? kasan_check_read+0x11/0x20
[  218.288281] ksoftirqd/0 cpuset=
[  218.292271]  ? __run_timers+0x7da/0xc70
[  218.295715] /
[  218.300316]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  218.303682]  mems_allowed=0
[  218.308020]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  218.344069]  __run_timers+0x7e5/0xc70
[  218.347912]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  218.353362]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  218.358692]  ? rcu_bh_qs+0xc0/0xc0
[  218.362252]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  218.367810]  ? check_preemption_disabled+0x48/0x200
[  218.372855]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  218.377640]  ? retint_kernel+0x2d/0x2d
[  218.381556]  ? trace_hardirqs_on_caller+0xc0/0x300
[  218.386507]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  218.391281]  ? trace_hardirqs_off_caller+0x300/0x300
[  218.396438]  ? check_preemption_disabled+0x48/0x200
[  218.401476]  ? graph_lock+0x170/0x170
[  218.405306]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  218.410868]  ? check_preemption_disabled+0x48/0x200
[  218.415927]  ? __lock_is_held+0xb5/0x140
[  218.420007]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  218.425565]  ? check_preemption_disabled+0x48/0x200
[  218.430608]  run_timer_softirq+0x52/0xb0
[  218.434689]  ? rcu_read_lock_sched_held+0x108/0x120
[  218.439723]  __do_softirq+0x30b/0xad8
[  218.443556]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  218.448689]  ? pvclock_read_flags+0x160/0x160
[  218.453205]  ? lapic_next_event+0x5a/0x90
[  218.457370]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  218.462954]  ? check_preemption_disabled+0x48/0x200
[  218.468002]  ? check_preemption_disabled+0x48/0x200
[  218.473042]  ? kvm_clock_read+0x18/0x30
[  218.477036]  ? kvm_sched_clock_read+0x9/0x20
[  218.481466]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  218.487023]  ? check_preemption_disabled+0x48/0x200
[  218.492069]  irq_exit+0x17f/0x1c0
[  218.495547]  smp_apic_timer_interrupt+0x1cb/0x760
[  218.500431]  ? smp_reschedule_interrupt+0x109/0x650
[  218.505467]  ? smp_call_function_single_interrupt+0x650/0x650
[  218.511368]  ? interrupt_entry+0xb5/0xf0
[  218.515477]  ? trace_hardirqs_off_caller+0xbb/0x300
[  218.520509]  ? trace_hardirqs_off_caller+0xbb/0x300
[  218.525545]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  218.530433]  ? trace_hardirqs_off+0x300/0x300
[  218.534945]  ? trace_hardirqs_off+0x300/0x300
[  218.539460]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  218.545021]  ? check_preemption_disabled+0x48/0x200
[  218.550053]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  218.555618]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  218.560492]  apic_timer_interrupt+0xf/0x20
[  218.564741]  </IRQ>
[  218.567002] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  218.571954] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 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 9a 42
[  218.591028] RSP: 0018:ffff88019cfa7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  218.598754] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  218.606041] RDX: 0000000000000000 RSI: ffff88019d338900 RDI: 0000000000000282
[  218.613322] RBP: ffff88019cfa77b0 R08: ffff88019d338080 R09: 0000000000000000
[  218.620607] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  218.627893] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  218.635232]  skb_clone+0x1bb/0x500
[  218.638794]  ? finish_task_switch+0x2f5/0x900
[  218.643309]  ? skb_split+0x11e0/0x11e0
[  218.647217]  ? preempt_notifier_register+0x200/0x200
[  218.652337]  ? __switch_to_asm+0x34/0x70
[  218.656451]  ? __switch_to_asm+0x34/0x70
[  218.660529]  ? __switch_to_asm+0x40/0x70
[  218.664607]  ? __switch_to_asm+0x34/0x70
[  218.668682]  ? __switch_to_asm+0x40/0x70
[  218.672760]  ? __switch_to_asm+0x34/0x70
[  218.676839]  ? __switch_to_asm+0x40/0x70
[  218.680920]  ? __switch_to_asm+0x34/0x70
[  218.685000]  ? __switch_to_asm+0x34/0x70
[  218.689076]  ? __switch_to_asm+0x40/0x70
[  218.693151]  ? __switch_to_asm+0x34/0x70
[  218.697239]  bpf_clone_redirect+0xb9/0x490
[  218.701501]  ? __schedule+0x874/0x1ed0
[  218.705438]  bpf_prog_bebbfe2050753572+0x482/0x1000
[  218.710475]  ? __sched_text_start+0x8/0x8
[  218.714656]  ? find_held_lock+0x36/0x1c0
[  218.718746]  ? lock_acquire+0x1ed/0x520
[  218.722737]  ? bpf_test_run+0x32e/0x5a0
[  218.726733]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  218.732294]  ? check_preemption_disabled+0x48/0x200
[  218.737335]  ? kasan_check_read+0x11/0x20
[  218.741510]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  218.746806]  ? rcu_bh_qs+0xc0/0xc0
[  218.750364]  ? preempt_schedule+0x4d/0x60
[  218.754564]  ? ___preempt_schedule+0x16/0x18
[  218.758996]  ? bpf_test_run+0x1c0/0x5a0
[  218.763000]  ? netlink_diag_dump+0x2a0/0x2a0
[  218.767445]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  218.772998]  ? bpf_test_init.isra.9+0x70/0x100
[  218.777734]  ? bpf_prog_test_run_skb+0x634/0xb40
[  218.782517]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  218.787461]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  218.793019]  ? fput+0x130/0x1a0
[  218.796318]  ? __bpf_prog_get+0x9b/0x290
[  218.800421]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  218.805282]  ? bpf_prog_test_run+0x130/0x1a0
[  218.809711]  ? __x64_sys_bpf+0x3d8/0x510
[  218.813790]  ? bpf_prog_get+0x20/0x20
[  218.817616]  ? ksys_ioctl+0x81/0xd0
[  218.821271]  ? do_syscall_64+0x1b9/0x820
[  218.825353]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  218.830768]  ? syscall_return_slowpath+0x5e0/0x5e0
[  218.835719]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  218.840582]  ? trace_hardirqs_off+0x300/0x300
[  218.845102]  ? prepare_exit_to_usermode+0x291/0x3b0
[  218.850141]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  218.855011]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  218.860440] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
[  218.860548] net_ratelimit: 28 callbacks suppressed
[  218.860555] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  218.867216] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  218.867222] Call Trace:
[  218.867242]  dump_stack+0x1c4/0x2b4
[  218.867259]  ? dump_stack_print_info.cold.2+0x52/0x52
[  218.867289]  warn_alloc.cold.118+0xb7/0x1bd
[  218.872273] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  218.878715]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  218.888064] syz-executor1 cpuset=
[  218.890666]  ? lock_downgrade+0x900/0x900
[  218.894285] syz1
[  218.899495]  ? trace_hardirqs_off+0xb8/0x300
[  218.903814]  mems_allowed=0
[  218.914312]  ? trace_hardirqs_off+0xb8/0x300
[  218.940491]  __alloc_pages_slowpath+0x2667/0x2d80
[  218.945406]  ? mark_held_locks+0x130/0x130
[  218.949666]  ? warn_alloc+0x120/0x120
[  218.953493]  ? warn_alloc+0x120/0x120
[  218.957310]  ? print_usage_bug+0xc0/0xc0
[  218.961420]  ? warn_alloc+0x120/0x120
[  218.965239]  ? print_usage_bug+0xc0/0xc0
[  218.969316]  ? find_held_lock+0x36/0x1c0
[  218.973436]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  218.978996]  ? should_fail+0x22d/0xd01
[  218.982907]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  218.988028]  ? __lock_acquire+0x7ec/0x4ec0
[  218.992285]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  218.997432]  ? __lock_acquire+0x7ec/0x4ec0
[  219.001773]  ? should_fail+0x22d/0xd01
[  219.005689]  ? mark_held_locks+0x130/0x130
[  219.009945]  ? mark_held_locks+0x130/0x130
[  219.014195]  ? __account_cfs_rq_runtime+0x790/0x790
[  219.019232]  ? select_task_rq_fair+0x754/0x34f0
[  219.023940]  ? lock_downgrade+0x900/0x900
[  219.028106]  ? check_preemption_disabled+0x48/0x200
[  219.033136]  ? graph_lock+0x170/0x170
[  219.036954]  ? print_usage_bug+0xc0/0xc0
[  219.041036]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  219.047127]  ? check_preemption_disabled+0x48/0x200
[  219.052159]  ? check_preemption_disabled+0x48/0x200
[  219.057218]  ? __lock_is_held+0xb5/0x140
[  219.061303]  __alloc_pages_nodemask+0xa80/0xde0
[  219.065993]  ? graph_lock+0x170/0x170
[  219.069814]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  219.075105]  ? graph_lock+0x170/0x170
[  219.078931]  ? find_held_lock+0x36/0x1c0
[  219.083021]  ? ____cache_alloc_node+0x1c7/0x1e0
[  219.087707]  ? lock_downgrade+0x900/0x900
[  219.091880]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  219.097451]  cache_grow_begin+0x91/0x8c0
[  219.101533]  ? do_raw_spin_unlock+0xa7/0x2f0
[  219.105970]  fallback_alloc+0x203/0x2e0
[  219.109975]  ____cache_alloc_node+0x1c7/0x1e0
[  219.114495]  kmem_cache_alloc_node+0xe3/0x730
[  219.119008]  ? ipv6_get_ifaddr+0x42e/0x620
[  219.123269]  __alloc_skb+0x119/0x770
[  219.127004]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  219.132300]  ? skb_scrub_packet+0x490/0x490
[  219.136639]  ? lock_downgrade+0x900/0x900
[  219.140814]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  219.146406]  ? refcount_sub_and_test_checked+0x203/0x310
[  219.152154]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  219.157625]  ? addrconf_rs_timer+0x6f0/0x6f0
[  219.162063]  ndisc_alloc_skb+0x144/0x340
[  219.166213]  ndisc_send_rs+0x331/0x6e0
[  219.170308]  addrconf_rs_timer+0x3c0/0x6f0
[  219.174568]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  219.178834]  call_timer_fn+0x272/0x920
[  219.182739]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  219.186992]  ? process_timeout+0x40/0x40
[  219.191066]  ? find_held_lock+0x36/0x1c0
[  219.195152]  ? __run_timers+0x7da/0xc70
[  219.199149]  ? _raw_spin_unlock_irq+0x27/0x80
[  219.203659]  ? _raw_spin_unlock_irq+0x27/0x80
[  219.208172]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  219.212439]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  219.217040]  ? trace_hardirqs_on+0xbd/0x310
[  219.221413]  ? kasan_check_read+0x11/0x20
[  219.225583]  ? __run_timers+0x7da/0xc70
[  219.229576]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  219.235057]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  219.239310]  __run_timers+0x7e5/0xc70
[  219.243146]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  219.248529]  ? compat_start_thread+0x80/0x80
[  219.253016]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  219.258581]  ? kasan_check_write+0x14/0x20
[  219.262835]  ? finish_task_switch+0x2f5/0x900
[  219.267346]  ? __switch_to_asm+0x40/0x70
[  219.271460]  ? preempt_notifier_register+0x200/0x200
[  219.276582]  ? __switch_to_asm+0x34/0x70
[  219.280657]  ? __switch_to_asm+0x40/0x70
[  219.284733]  ? __switch_to_asm+0x34/0x70
[  219.288808]  ? __switch_to_asm+0x40/0x70
[  219.292884]  ? __switch_to_asm+0x34/0x70
[  219.296961]  ? __switch_to_asm+0x40/0x70
[  219.301049]  ? pvclock_read_flags+0x160/0x160
[  219.305562]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  219.311121]  ? check_preemption_disabled+0x48/0x200
[  219.316162]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  219.321718]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  219.327015]  ? rcu_pm_notify+0xc0/0xc0
[  219.330923]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  219.336483]  ? check_preemption_disabled+0x48/0x200
[  219.341524]  run_timer_softirq+0x52/0xb0
[  219.345601]  ? rcu_read_lock_sched_held+0x108/0x120
[  219.350635]  __do_softirq+0x30b/0xad8
[  219.354465]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  219.359595]  ? schedule+0x108/0x460
[  219.363241]  ? __schedule+0x1ed0/0x1ed0
[  219.367240]  ? trace_hardirqs_off+0xb8/0x300
[  219.371665]  ? ___might_sleep+0x1ed/0x300
[  219.375827]  ? smpboot_thread_fn+0x68b/0xa00
[  219.380255]  ? trace_hardirqs_on+0x310/0x310
[  219.384684]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  219.390240]  ? check_preemption_disabled+0x48/0x200
[  219.395277]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  219.400838]  ? takeover_tasklets+0xa90/0xa90
[  219.405266]  run_ksoftirqd+0x94/0x100
[  219.409091]  smpboot_thread_fn+0x68b/0xa00
[  219.413347]  ? sort_range+0x30/0x30
[  219.417019]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  219.422138]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  219.427696]  ? __kthread_parkme+0xfb/0x1a0
[  219.431964]  kthread+0x35a/0x420
[  219.435345]  ? sort_range+0x30/0x30
[  219.439135]  ? kthread_bind+0x40/0x40
[  219.442955]  ret_from_fork+0x3a/0x50
[  219.446710] CPU: 1 PID: 10110 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
[  219.446716] warn_alloc_show_mem: 1 callbacks suppressed
[  219.446724] Mem-Info:
[  219.454021] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  219.459439] active_anon:39159 inactive_anon:1633 isolated_anon:0
[  219.459439]  active_file:15 inactive_file:16 isolated_file:0
[  219.459439]  unevictable:0 dirty:0 writeback:0 unstable:0
[  219.459439]  slab_reclaimable:8773 slab_unreclaimable:1470459
[  219.459439]  mapped:49330 shmem:1666 pagetables:630 bounce:0
[  219.459439]  free:13723 free_pcp:275 free_cma:0
[  219.461825] Call Trace:
[  219.471234] Node 0 active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197320kB dirty:0kB writeback:0kB shmem:6664kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  219.504411]  <IRQ>
[  219.504429]  dump_stack+0x1c4/0x2b4
[  219.507011] Node 0 
[  219.534695]  ? dump_stack_print_info.cold.2+0x52/0x52
[  219.536864] 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
[  219.540505]  warn_alloc.cold.118+0xb7/0x1bd
[  219.542734] lowmem_reserve[]: 0 2817
[  219.547954]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  219.573634]  6321 6321
[  219.577997]  ? lock_downgrade+0x900/0x900
[  219.581705] Node 0 
[  219.586624]  ? trace_hardirqs_off+0xb8/0x300
[  219.589137] DMA32 free:25172kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  219.593276]  ? trace_hardirqs_off+0xb8/0x300
[  219.595497] lowmem_reserve[]: 0
[  219.599935]  __alloc_pages_slowpath+0x2667/0x2d80
[  219.626641]  0
[  219.631089]  ? warn_alloc+0x120/0x120
[  219.634328]  3503 3503
[  219.639195]  ? warn_alloc+0x120/0x120
[  219.640993] Node 0 
[  219.644804]  ? print_usage_bug+0xc0/0xc0
[  219.647319] Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5408kB pagetables:2520kB bounce:0kB free_pcp:852kB local_pcp:604kB free_cma:0kB
[  219.651107]  ? warn_alloc+0x120/0x120
[  219.653332] lowmem_reserve[]: 0
[  219.657431]  ? print_usage_bug+0xc0/0xc0
[  219.685896]  0 0
[  219.689731]  ? __lock_acquire+0x7ec/0x4ec0
[  219.693002]  0
[  219.697074]  ? __lock_acquire+0x7ec/0x4ec0
[  219.699047] Node 0 
[  219.703299]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  219.705088] DMA: 1*4kB 
[  219.709353]  ? should_fail+0x22d/0xd01
[  219.711584] (U) 
[  219.717137]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  219.719719] 0*8kB 0*16kB 
[  219.723630]  ? __lock_acquire+0x7ec/0x4ec0
[  219.725592] 1*32kB (U) 
[  219.730717]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  219.733535] 2*64kB (U) 
[  219.737871]  ? __lock_acquire+0x7ec/0x4ec0
[  219.740453] 1*128kB 
[  219.745567]  ? should_fail+0x22d/0xd01
[  219.748143] (U) 
[  219.752423]  ? mark_held_locks+0x130/0x130
[  219.754736] 1*256kB (U) 
[  219.758643]  ? mark_held_locks+0x130/0x130
[  219.760613] 0*512kB 
[  219.764855]  ? graph_lock+0x170/0x170
[  219.767516] 1*1024kB (U) 
[  219.771773]  ? graph_lock+0x170/0x170
[  219.774088] 1*2048kB (M) 
[  219.777913]  ? graph_lock+0x170/0x170
[  219.780775] 3*4096kB (M) 
[  219.784602]  ? print_usage_bug+0xc0/0xc0
[  219.787349] = 15908kB
[  219.787358] Node 0 
[  219.791202]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  219.793948] DMA32: 
[  219.798019]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  219.800432] 3*4kB 
[  219.802689]  ? check_preemption_disabled+0x48/0x200
[  219.808211] (UM) 
[  219.810467]  ? check_preemption_disabled+0x48/0x200
[  219.815994] 1*8kB 
[  219.818164]  ? __lock_is_held+0xb5/0x140
[  219.823165] (U) 
[  219.825247]  __alloc_pages_nodemask+0xa80/0xde0
[  219.830246] 4*16kB (UM) 
[  219.832438]  ? graph_lock+0x170/0x170
[  219.836496] 2*32kB 
[  219.838487]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  219.843149] (UM) 
[  219.845831]  ? graph_lock+0x170/0x170
[  219.849623] 3*64kB (UM) 
[  219.851888]  ? find_held_lock+0x36/0x1c0
[  219.856884] 4*128kB (UM) 
[  219.858994]  ? ____cache_alloc_node+0x1c7/0x1e0
[  219.862775] 3*256kB (UM) 
[  219.865472]  ? lock_downgrade+0x900/0x900
[  219.869526] 4*512kB 
[  219.872300]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  219.876956] (UM) 
[  219.879735]  cache_grow_begin+0x91/0x8c0
[  219.883867] 3*1024kB (M) 
[  219.886232]  ? do_raw_spin_unlock+0xa7/0x2f0
[  219.891752] 3*2048kB (UM) 
[  219.893848]  fallback_alloc+0x203/0x2e0
[  219.897891] 3*4096kB (M) 
[  219.900685]  ____cache_alloc_node+0x1c7/0x1e0
[  219.905076] = 25172kB
[  219.905085] Node 0 
[  219.907946]  kmem_cache_alloc_node+0xe3/0x730
[  219.911915] Normal: 
[  219.914688]  ? ipv6_get_ifaddr+0x42e/0x620
[  219.919173] 979*4kB 
[  219.921609]  __alloc_skb+0x119/0x770
[  219.923833] (ME) 
[  219.928343]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  219.930652] 483*8kB (UME) 
[  219.934918]  ? skb_scrub_packet+0x490/0x490
[  219.937226] 201*16kB (ME) 
[  219.940961]  ? lock_downgrade+0x900/0x900
[  219.943014] 59*32kB (UME) 
[  219.948317]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  219.951144] 15*64kB (UM) 
[  219.955491]  ? refcount_sub_and_test_checked+0x203/0x310
[  219.958320] 0*128kB 0*256kB 
[  219.962489]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  219.965331] 0*512kB 
[  219.970877]  ? addrconf_rs_timer+0x6f0/0x6f0
[  219.973628] 0*1024kB 
[  219.979096]  ndisc_alloc_skb+0x144/0x340
[  219.982092] 0*2048kB 0*4096kB 
[  219.987568]  ndisc_send_rs+0x331/0x6e0
[  219.989875] = 13844kB
[  219.989891] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  219.994311]  addrconf_rs_timer+0x3c0/0x6f0
[  219.996725] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  220.000796]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  220.004037] 1697 total pagecache pages
[  220.007950]  call_timer_fn+0x272/0x920
[  220.010350] 0 pages in swap cache
[  220.019215]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  220.023442] Swap cache stats: add 0, delete 0, find 0/0
[  220.023452] Free swap  = 0kB
[  220.032039]  ? process_timeout+0x40/0x40
[  220.036267] Total swap = 0kB
[  220.040165]  ? find_held_lock+0x36/0x1c0
[  220.044047] 1965979 pages RAM
[  220.047520]  ? __run_timers+0x7da/0xc70
[  220.051739] 0 pages HighMem/MovableOnly
[  220.051749] 342744 pages reserved
[  220.057125]  ? _raw_spin_unlock_irq+0x27/0x80
[  220.060197] 0 pages cma reserved
[  220.064270]  ? _raw_spin_unlock_irq+0x27/0x80
[  220.067366] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  220.071350]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  220.071368]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  220.074570] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  220.078497]  ? trace_hardirqs_on+0xbd/0x310
[  220.082459] ksoftirqd/0 cpuset=/
[  220.085939]  ? kasan_check_read+0x11/0x20
[  220.085958]  ? __run_timers+0x7da/0xc70
[  220.090455]  mems_allowed=0
[  220.093905]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  220.148259]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  220.152520]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  220.156773]  __run_timers+0x7e5/0xc70
[  220.160604]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  220.165984]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  220.171280]  ? rcu_bh_qs+0xc0/0xc0
[  220.174841]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.180419]  ? check_preemption_disabled+0x48/0x200
[  220.185465]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  220.190240]  ? retint_kernel+0x2d/0x2d
[  220.194144]  ? trace_hardirqs_on_caller+0xc0/0x300
[  220.199089]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  220.203859]  ? trace_hardirqs_off_caller+0x300/0x300
[  220.208979]  ? check_preemption_disabled+0x48/0x200
[  220.214010]  ? graph_lock+0x170/0x170
[  220.217830]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.223420]  ? check_preemption_disabled+0x48/0x200
[  220.228469]  ? __lock_is_held+0xb5/0x140
[  220.232549]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.238101]  ? check_preemption_disabled+0x48/0x200
[  220.243171]  run_timer_softirq+0x52/0xb0
[  220.247248]  ? rcu_read_lock_sched_held+0x108/0x120
[  220.252280]  __do_softirq+0x30b/0xad8
[  220.256106]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  220.261230]  ? pvclock_read_flags+0x160/0x160
[  220.265741]  ? lapic_next_event+0x5a/0x90
[  220.269916]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.275542]  ? check_preemption_disabled+0x48/0x200
[  220.280637]  ? check_preemption_disabled+0x48/0x200
[  220.285676]  ? kvm_clock_read+0x18/0x30
[  220.289669]  ? kvm_sched_clock_read+0x9/0x20
[  220.294092]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.299644]  ? check_preemption_disabled+0x48/0x200
[  220.304692]  irq_exit+0x17f/0x1c0
[  220.308227]  smp_apic_timer_interrupt+0x1cb/0x760
[  220.313229]  ? smp_reschedule_interrupt+0x109/0x650
[  220.318266]  ? smp_call_function_single_interrupt+0x650/0x650
[  220.324166]  ? interrupt_entry+0xb5/0xf0
[  220.328245]  ? trace_hardirqs_off_caller+0xbb/0x300
[  220.333273]  ? trace_hardirqs_off_caller+0xbb/0x300
[  220.338309]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  220.343167]  ? trace_hardirqs_off+0x300/0x300
[  220.347676]  ? trace_hardirqs_off+0x300/0x300
[  220.352186]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.357739]  ? check_preemption_disabled+0x48/0x200
[  220.362771]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.368331]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  220.373201]  apic_timer_interrupt+0xf/0x20
[  220.377443]  </IRQ>
[  220.379698] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  220.384648] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 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 9a 42
[  220.404260] RSP: 0018:ffff88019cfa7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  220.411988] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  220.419270] RDX: 0000000000000000 RSI: ffff88019d338900 RDI: 0000000000000282
[  220.426555] RBP: ffff88019cfa77b0 R08: ffff88019d338080 R09: 0000000000000000
[  220.433837] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  220.441120] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  220.448467]  skb_clone+0x1bb/0x500
[  220.452027]  ? finish_task_switch+0x2f5/0x900
[  220.456664]  ? skb_split+0x11e0/0x11e0
[  220.460570]  ? preempt_notifier_register+0x200/0x200
[  220.465687]  ? __switch_to_asm+0x34/0x70
[  220.469762]  ? __switch_to_asm+0x34/0x70
[  220.473834]  ? __switch_to_asm+0x40/0x70
[  220.477910]  ? __switch_to_asm+0x34/0x70
[  220.481979]  ? __switch_to_asm+0x40/0x70
[  220.486053]  ? __switch_to_asm+0x34/0x70
[  220.490127]  ? __switch_to_asm+0x40/0x70
[  220.494200]  ? __switch_to_asm+0x34/0x70
[  220.498336]  ? __switch_to_asm+0x34/0x70
[  220.502439]  ? __switch_to_asm+0x40/0x70
[  220.506514]  ? __switch_to_asm+0x34/0x70
[  220.510600]  bpf_clone_redirect+0xb9/0x490
[  220.514852]  ? __schedule+0x874/0x1ed0
[  220.518759]  bpf_prog_bebbfe2050753572+0x482/0x1000
[  220.523794]  ? __sched_text_start+0x8/0x8
[  220.527971]  ? find_held_lock+0x36/0x1c0
[  220.532058]  ? lock_acquire+0x1ed/0x520
[  220.536048]  ? bpf_test_run+0x32e/0x5a0
[  220.540043]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.545600]  ? check_preemption_disabled+0x48/0x200
[  220.550641]  ? kasan_check_read+0x11/0x20
[  220.554809]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  220.560107]  ? rcu_bh_qs+0xc0/0xc0
[  220.563667]  ? preempt_schedule+0x4d/0x60
[  220.567832]  ? ___preempt_schedule+0x16/0x18
[  220.572263]  ? bpf_test_run+0x1c0/0x5a0
[  220.576264]  ? netlink_diag_dump+0x2a0/0x2a0
[  220.580692]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  220.586242]  ? bpf_test_init.isra.9+0x70/0x100
[  220.590842]  ? bpf_prog_test_run_skb+0x634/0xb40
[  220.595623]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  220.600483]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  220.606032]  ? fput+0x130/0x1a0
[  220.609329]  ? __bpf_prog_get+0x9b/0x290
[  220.613434]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  220.618289]  ? bpf_prog_test_run+0x130/0x1a0
[  220.622717]  ? __x64_sys_bpf+0x3d8/0x510
[  220.626792]  ? bpf_prog_get+0x20/0x20
[  220.630628]  ? ksys_ioctl+0x81/0xd0
[  220.634285]  ? do_syscall_64+0x1b9/0x820
[  220.638360]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  220.643766]  ? syscall_return_slowpath+0x5e0/0x5e0
[  220.648709]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  220.653575]  ? trace_hardirqs_off+0x300/0x300
[  220.658098]  ? prepare_exit_to_usermode+0x291/0x3b0
[  220.663139]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  220.668005]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  220.673425] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
[  220.673515] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  220.680200] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  220.680205] Call Trace:
[  220.680224]  dump_stack+0x1c4/0x2b4
[  220.680241]  ? dump_stack_print_info.cold.2+0x52/0x52
[  220.680270]  warn_alloc.cold.118+0xb7/0x1bd
[  220.686859] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  220.696218]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  220.698800] syz-executor1 cpuset=
[  220.702445]  ? lock_downgrade+0x900/0x900
[  220.707628] syz1
[  220.711958]  ? trace_hardirqs_off+0xb8/0x300
[  220.722470]  mems_allowed=0
[  220.727327]  ? trace_hardirqs_off+0xb8/0x300
[  220.748884]  __alloc_pages_slowpath+0x2667/0x2d80
[  220.753766]  ? mark_held_locks+0x130/0x130
[  220.758021]  ? warn_alloc+0x120/0x120
[  220.761870]  ? warn_alloc+0x120/0x120
[  220.765691]  ? print_usage_bug+0xc0/0xc0
[  220.769765]  ? warn_alloc+0x120/0x120
[  220.773583]  ? print_usage_bug+0xc0/0xc0
[  220.777661]  ? __lock_acquire+0x7ec/0x4ec0
[  220.781910]  ? __lock_acquire+0x7ec/0x4ec0
[  220.786166]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  220.791720]  ? should_fail+0x22d/0xd01
[  220.795630]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  220.800747]  ? __lock_acquire+0x7ec/0x4ec0
[  220.805069]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  220.810186]  ? __lock_acquire+0x7ec/0x4ec0
[  220.814447]  ? should_fail+0x22d/0xd01
[  220.818360]  ? mark_held_locks+0x130/0x130
[  220.822648]  ? mark_held_locks+0x130/0x130
[  220.826914]  ? graph_lock+0x170/0x170
[  220.830731]  ? graph_lock+0x170/0x170
[  220.834548]  ? graph_lock+0x170/0x170
[  220.838360]  ? print_usage_bug+0xc0/0xc0
[  220.842465]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.848017]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.853575]  ? check_preemption_disabled+0x48/0x200
[  220.858609]  ? check_preemption_disabled+0x48/0x200
[  220.863652]  ? __lock_is_held+0xb5/0x140
[  220.867742]  __alloc_pages_nodemask+0xa80/0xde0
[  220.872457]  ? graph_lock+0x170/0x170
[  220.876276]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  220.881304]  ? graph_lock+0x170/0x170
[  220.885130]  ? find_held_lock+0x36/0x1c0
[  220.889216]  ? ____cache_alloc_node+0x1c7/0x1e0
[  220.893900]  ? lock_downgrade+0x900/0x900
[  220.898084]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.903643]  cache_grow_begin+0x91/0x8c0
[  220.907721]  ? do_raw_spin_unlock+0xa7/0x2f0
[  220.912157]  fallback_alloc+0x203/0x2e0
[  220.916156]  ____cache_alloc_node+0x1c7/0x1e0
[  220.920677]  kmem_cache_alloc_node+0xe3/0x730
[  220.925205]  ? ipv6_get_ifaddr+0x42e/0x620
[  220.929469]  __alloc_skb+0x119/0x770
[  220.933205]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  220.938501]  ? skb_scrub_packet+0x490/0x490
[  220.942835]  ? lock_downgrade+0x900/0x900
[  220.947008]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.952625]  ? refcount_sub_and_test_checked+0x203/0x310
[  220.958095]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  220.963565]  ? addrconf_rs_timer+0x6f0/0x6f0
[  220.968003]  ndisc_alloc_skb+0x144/0x340
[  220.972114]  ndisc_send_rs+0x331/0x6e0
[  220.976026]  addrconf_rs_timer+0x3c0/0x6f0
[  220.980282]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  220.984548]  call_timer_fn+0x272/0x920
[  220.988455]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  220.992710]  ? process_timeout+0x40/0x40
[  220.996795]  ? find_held_lock+0x36/0x1c0
[  221.000991]  ? __run_timers+0x7da/0xc70
[  221.005013]  ? _raw_spin_unlock_irq+0x27/0x80
[  221.009584]  ? _raw_spin_unlock_irq+0x27/0x80
[  221.014094]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  221.018342]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  221.022969]  ? trace_hardirqs_on+0xbd/0x310
[  221.027304]  ? kasan_check_read+0x11/0x20
[  221.031470]  ? __run_timers+0x7da/0xc70
[  221.035465]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  221.040938]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  221.045799]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  221.050051]  __run_timers+0x7e5/0xc70
[  221.053885]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  221.059262]  ? compat_start_thread+0x80/0x80
[  221.063697]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  221.069261]  ? kasan_check_write+0x14/0x20
[  221.073517]  ? finish_task_switch+0x2f5/0x900
[  221.078025]  ? __switch_to_asm+0x40/0x70
[  221.082105]  ? preempt_notifier_register+0x200/0x200
[  221.087223]  ? __switch_to_asm+0x34/0x70
[  221.091297]  ? __switch_to_asm+0x40/0x70
[  221.095370]  ? __switch_to_asm+0x34/0x70
[  221.099480]  ? __switch_to_asm+0x40/0x70
[  221.103555]  ? __switch_to_asm+0x34/0x70
[  221.107630]  ? __switch_to_asm+0x40/0x70
[  221.111718]  ? pvclock_read_flags+0x160/0x160
[  221.116230]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  221.121793]  ? check_preemption_disabled+0x48/0x200
[  221.126853]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  221.132435]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  221.137824]  ? rcu_pm_notify+0xc0/0xc0
[  221.141731]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  221.147285]  ? check_preemption_disabled+0x48/0x200
[  221.152578]  run_timer_softirq+0x52/0xb0
[  221.156656]  ? rcu_read_lock_sched_held+0x108/0x120
[  221.161690]  __do_softirq+0x30b/0xad8
[  221.165519]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  221.170645]  ? schedule+0x108/0x460
[  221.174288]  ? __schedule+0x1ed0/0x1ed0
[  221.178284]  ? trace_hardirqs_off+0xb8/0x300
[  221.182707]  ? ___might_sleep+0x1ed/0x300
[  221.186868]  ? smpboot_thread_fn+0x68b/0xa00
[  221.191289]  ? trace_hardirqs_on+0x310/0x310
[  221.195715]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  221.201268]  ? check_preemption_disabled+0x48/0x200
[  221.206301]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  221.211858]  ? takeover_tasklets+0xa90/0xa90
[  221.216287]  run_ksoftirqd+0x94/0x100
[  221.220101]  smpboot_thread_fn+0x68b/0xa00
[  221.224358]  ? sort_range+0x30/0x30
[  221.228033]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  221.233154]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  221.238708]  ? __kthread_parkme+0xfb/0x1a0
[  221.242964]  kthread+0x35a/0x420
[  221.246347]  ? sort_range+0x30/0x30
[  221.250023]  ? kthread_bind+0x40/0x40
[  221.253840]  ret_from_fork+0x3a/0x50
[  221.257592] CPU: 1 PID: 10110 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
[  221.257598] warn_alloc_show_mem: 1 callbacks suppressed
[  221.257606] Mem-Info:
[  221.265140] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  221.270589] active_anon:39159 inactive_anon:1633 isolated_anon:0
[  221.270589]  active_file:15 inactive_file:16 isolated_file:0
[  221.270589]  unevictable:0 dirty:0 writeback:0 unstable:0
[  221.270589]  slab_reclaimable:8773 slab_unreclaimable:1470459
[  221.270589]  mapped:49330 shmem:1666 pagetables:630 bounce:0
[  221.270589]  free:13723 free_pcp:275 free_cma:0
[  221.272979] Call Trace:
[  221.282414] Node 0 active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197320kB dirty:0kB writeback:0kB shmem:6664kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  221.315451]  <IRQ>
[  221.318031] 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
[  221.318077] lowmem_reserve[]:
[  221.345852]  dump_stack+0x1c4/0x2b4
[  221.348009]  0
[  221.374129]  ? dump_stack_print_info.cold.2+0x52/0x52
[  221.377251]  2817
[  221.380898]  warn_alloc.cold.118+0xb7/0x1bd
[  221.382686]  6321
[  221.387887]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  221.389938]  6321
[  221.394284]  ? lock_downgrade+0x900/0x900
[  221.396342] Node 0 
[  221.401198]  ? trace_hardirqs_off+0xb8/0x300
[  221.403274] DMA32 free:25172kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  221.407431]  ? trace_hardirqs_off+0xb8/0x300
[  221.409652] lowmem_reserve[]: 0
[  221.414096]  __alloc_pages_slowpath+0x2667/0x2d80
[  221.440804]  0 3503
[  221.445323]  ? warn_alloc+0x120/0x120
[  221.448569]  3503
[  221.453441]  ? warn_alloc+0x120/0x120
[  221.455673] Node 0 
[  221.459485]  ? print_usage_bug+0xc0/0xc0
[  221.461570] Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5408kB pagetables:2520kB bounce:0kB free_pcp:852kB local_pcp:604kB free_cma:0kB
[  221.465354]  ? warn_alloc+0x120/0x120
[  221.467598] lowmem_reserve[]: 0
[  221.471680]  ? print_usage_bug+0xc0/0xc0
[  221.500171]  0
[  221.503992]  ? __lock_acquire+0x7ec/0x4ec0
[  221.507253]  0
[  221.511326]  ? __lock_acquire+0x7ec/0x4ec0
[  221.513120]  0
[  221.517369]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  221.519194] Node 0 
[  221.523453]  ? should_fail+0x22d/0xd01
[  221.525244] DMA: 
[  221.530792]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  221.533022] 1*4kB 
[  221.536919]  ? __lock_acquire+0x7ec/0x4ec0
[  221.538972] (U) 
[  221.544091]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  221.546226] 0*8kB 0*16kB 
[  221.550482]  ? __lock_acquire+0x7ec/0x4ec0
[  221.552455] 1*32kB 
[  221.557568]  ? should_fail+0x22d/0xd01
[  221.560320] (U) 
[  221.564570]  ? mark_held_locks+0x130/0x130
[  221.566790] 2*64kB (U) 
[  221.570700]  ? mark_held_locks+0x130/0x130
[  221.572670] 1*128kB 
[  221.576917]  ? graph_lock+0x170/0x170
[  221.579497] (U) 
[  221.583740]  ? graph_lock+0x170/0x170
[  221.586074] 1*256kB 
[  221.589892]  ? graph_lock+0x170/0x170
[  221.591861] (U) 
[  221.595674]  ? print_usage_bug+0xc0/0xc0
[  221.597992] 0*512kB 
[  221.601801]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  221.601818]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  221.603784] 1*1024kB (U) 
[  221.607871]  ? check_preemption_disabled+0x48/0x200
[  221.610179] 1*2048kB (M) 
[  221.615738]  ? check_preemption_disabled+0x48/0x200
[  221.621262] 3*4096kB (M) 
[  221.624049]  ? __lock_is_held+0xb5/0x140
[  221.629047] = 15908kB
[  221.629057] Node 0 
[  221.631835]  __alloc_pages_nodemask+0xa80/0xde0
[  221.636840] DMA32: 
[  221.639747]  ? graph_lock+0x170/0x170
[  221.643805] 3*4kB 
[  221.646228]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  221.648461] (UM) 
[  221.653139]  ? graph_lock+0x170/0x170
[  221.655395] 1*8kB 
[  221.659212]  ? find_held_lock+0x36/0x1c0
[  221.661351] (U) 
[  221.666434]  ? ____cache_alloc_node+0x1c7/0x1e0
[  221.668487] 4*16kB 
[  221.672298]  ? lock_downgrade+0x900/0x900
[  221.674441] (UM) 
[  221.678520]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  221.680487] 2*32kB 
[  221.685166]  cache_grow_begin+0x91/0x8c0
[  221.687423] (UM) 
[  221.691583]  ? do_raw_spin_unlock+0xa7/0x2f0
[  221.693635] 3*64kB (UM) 
[  221.699195]  fallback_alloc+0x203/0x2e0
[  221.701432] 4*128kB 
[  221.705508]  ____cache_alloc_node+0x1c7/0x1e0
[  221.707565] (UM) 
[  221.711996]  kmem_cache_alloc_node+0xe3/0x730
[  221.714655] 3*256kB (UM) 
[  221.718653]  ? ipv6_get_ifaddr+0x42e/0x620
[  221.720964] 4*512kB (UM) 
[  221.725572]  __alloc_skb+0x119/0x770
[  221.727616] 3*1024kB (M) 
[  221.732139]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  221.734883] 3*2048kB 
[  221.739134]  ? skb_scrub_packet+0x490/0x490
[  221.741887] (UM) 
[  221.745705]  ? lock_downgrade+0x900/0x900
[  221.748454] 3*4096kB (M) 
[  221.753758]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  221.756151] = 25172kB
[  221.756161] Node 0 
[  221.760497]  ? refcount_sub_and_test_checked+0x203/0x310
[  221.762550] Normal: 
[  221.766713]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  221.769466] 979*4kB 
[  221.775015]  ? addrconf_rs_timer+0x6f0/0x6f0
[  221.777440] (ME) 
[  221.779699]  ndisc_alloc_skb+0x144/0x340
[  221.785125] 483*8kB (UME) 
[  221.787474]  ndisc_send_rs+0x331/0x6e0
[  221.792906] 201*16kB (ME) 
[  221.795279]  addrconf_rs_timer+0x3c0/0x6f0
[  221.799678] 59*32kB (UME) 
[  221.801767]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  221.805814] 15*64kB (UM) 
[  221.808689]  call_timer_fn+0x272/0x920
[  221.812556] 0*128kB 0*256kB 
[  221.815441]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  221.819662] 0*512kB 0*1024kB 
[  221.822530]  ? process_timeout+0x40/0x40
[  221.826753] 0*2048kB 0*4096kB 
[  221.829535]  ? find_held_lock+0x36/0x1c0
[  221.833441] = 13844kB
[  221.833456] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  221.836491]  ? __run_timers+0x7da/0xc70
[  221.840779] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  221.840789] 1697 total pagecache pages
[  221.843915]  ? _raw_spin_unlock_irq+0x27/0x80
[  221.847971] 0 pages in swap cache
[  221.851168]  ? _raw_spin_unlock_irq+0x27/0x80
[  221.855237] Swap cache stats: add 0, delete 0, find 0/0
[  221.855246] Free swap  = 0kB
[  221.857674]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  221.866503] Total swap = 0kB
[  221.870491]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  221.879058] 1965979 pages RAM
[  221.882962]  ? trace_hardirqs_on+0xbd/0x310
[  221.887446] 0 pages HighMem/MovableOnly
[  221.887456] 342744 pages reserved
[  221.890927]  ? kasan_check_read+0x11/0x20
[  221.895436] 0 pages cma reserved
[  221.900813]  ? __run_timers+0x7da/0xc70
[  221.903958] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  221.908066]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  221.908087]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  221.908107]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  221.911186] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  221.915716]  __run_timers+0x7e5/0xc70
[  221.918815] ksoftirqd/0 cpuset=
[  221.923158]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  221.927117] /
[  221.930589]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  221.934721]  mems_allowed=0
[  221.995147]  ? rcu_bh_qs+0xc0/0xc0
[  221.998709]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.004264]  ? check_preemption_disabled+0x48/0x200
[  222.009305]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  222.014084]  ? retint_kernel+0x2d/0x2d
[  222.017990]  ? trace_hardirqs_on_caller+0xc0/0x300
[  222.022935]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  222.027709]  ? trace_hardirqs_off_caller+0x300/0x300
[  222.032829]  ? check_preemption_disabled+0x48/0x200
[  222.037867]  ? graph_lock+0x170/0x170
[  222.041694]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.047255]  ? check_preemption_disabled+0x48/0x200
[  222.052299]  ? __lock_is_held+0xb5/0x140
[  222.056400]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.061967]  ? check_preemption_disabled+0x48/0x200
[  222.067011]  run_timer_softirq+0x52/0xb0
[  222.071096]  ? rcu_read_lock_sched_held+0x108/0x120
[  222.076136]  __do_softirq+0x30b/0xad8
[  222.079966]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  222.085095]  ? pvclock_read_flags+0x160/0x160
[  222.089606]  ? lapic_next_event+0x5a/0x90
[  222.093771]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.099326]  ? check_preemption_disabled+0x48/0x200
[  222.104357]  ? check_preemption_disabled+0x48/0x200
[  222.109442]  ? kvm_clock_read+0x18/0x30
[  222.113442]  ? kvm_sched_clock_read+0x9/0x20
[  222.117873]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.123457]  ? check_preemption_disabled+0x48/0x200
[  222.128510]  irq_exit+0x17f/0x1c0
[  222.131988]  smp_apic_timer_interrupt+0x1cb/0x760
[  222.136853]  ? smp_reschedule_interrupt+0x109/0x650
[  222.141905]  ? smp_call_function_single_interrupt+0x650/0x650
[  222.147804]  ? interrupt_entry+0xb5/0xf0
[  222.151885]  ? trace_hardirqs_off_caller+0xbb/0x300
[  222.156927]  ? trace_hardirqs_off_caller+0xbb/0x300
[  222.161970]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  222.166831]  ? trace_hardirqs_off+0x300/0x300
[  222.171338]  ? trace_hardirqs_off+0x300/0x300
[  222.175874]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.181443]  ? check_preemption_disabled+0x48/0x200
[  222.186476]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.192037]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  222.196913]  apic_timer_interrupt+0xf/0x20
[  222.201159]  </IRQ>
[  222.203434] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  222.208404] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 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 9a 42
[  222.227321] RSP: 0018:ffff88019cfa7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  222.235056] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  222.242341] RDX: 0000000000000000 RSI: ffff88019d338900 RDI: 0000000000000282
[  222.249646] RBP: ffff88019cfa77b0 R08: ffff88019d338080 R09: 0000000000000000
[  222.256931] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  222.264207] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  222.271532]  skb_clone+0x1bb/0x500
[  222.275087]  ? finish_task_switch+0x2f5/0x900
[  222.279596]  ? skb_split+0x11e0/0x11e0
[  222.283498]  ? preempt_notifier_register+0x200/0x200
[  222.288608]  ? __switch_to_asm+0x34/0x70
[  222.292680]  ? __switch_to_asm+0x34/0x70
[  222.296745]  ? __switch_to_asm+0x40/0x70
[  222.300804]  ? __switch_to_asm+0x34/0x70
[  222.304868]  ? __switch_to_asm+0x40/0x70
[  222.308939]  ? __switch_to_asm+0x34/0x70
[  222.313000]  ? __switch_to_asm+0x40/0x70
[  222.317059]  ? __switch_to_asm+0x34/0x70
[  222.321123]  ? __switch_to_asm+0x34/0x70
[  222.325194]  ? __switch_to_asm+0x40/0x70
[  222.329255]  ? __switch_to_asm+0x34/0x70
[  222.333328]  bpf_clone_redirect+0xb9/0x490
[  222.337574]  ? __schedule+0x874/0x1ed0
[  222.341470]  bpf_prog_bebbfe2050753572+0x482/0x1000
[  222.346490]  ? __sched_text_start+0x8/0x8
[  222.350684]  ? find_held_lock+0x36/0x1c0
[  222.354759]  ? lock_acquire+0x1ed/0x520
[  222.358733]  ? bpf_test_run+0x32e/0x5a0
[  222.362710]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.368253]  ? check_preemption_disabled+0x48/0x200
[  222.373281]  ? kasan_check_read+0x11/0x20
[  222.377434]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  222.382716]  ? rcu_bh_qs+0xc0/0xc0
[  222.386270]  ? preempt_schedule+0x4d/0x60
[  222.390427]  ? ___preempt_schedule+0x16/0x18
[  222.394845]  ? bpf_test_run+0x1c0/0x5a0
[  222.398831]  ? netlink_diag_dump+0x2a0/0x2a0
[  222.403245]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  222.408782]  ? bpf_test_init.isra.9+0x70/0x100
[  222.413369]  ? bpf_prog_test_run_skb+0x634/0xb40
[  222.418150]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  222.422992]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  222.428532]  ? fput+0x130/0x1a0
[  222.431815]  ? __bpf_prog_get+0x9b/0x290
[  222.435883]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  222.440729]  ? bpf_prog_test_run+0x130/0x1a0
[  222.445142]  ? __x64_sys_bpf+0x3d8/0x510
[  222.449210]  ? bpf_prog_get+0x20/0x20
[  222.453022]  ? ksys_ioctl+0x81/0xd0
[  222.456663]  ? do_syscall_64+0x1b9/0x820
[  222.460729]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  222.466112]  ? syscall_return_slowpath+0x5e0/0x5e0
[  222.471060]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  222.475925]  ? trace_hardirqs_off+0x300/0x300
[  222.480449]  ? prepare_exit_to_usermode+0x291/0x3b0
[  222.485512]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  222.490367]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  222.495764] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
[  222.495916] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  222.502528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  222.502534] Call Trace:
[  222.502561]  dump_stack+0x1c4/0x2b4
[  222.502577]  ? dump_stack_print_info.cold.2+0x52/0x52
[  222.502605]  warn_alloc.cold.118+0xb7/0x1bd
[  222.509178] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  222.518440]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  222.521003] syz-executor1 cpuset=
[  222.524626]  ? lock_downgrade+0x900/0x900
[  222.529794] syz1
[  222.534119]  ? trace_hardirqs_off+0xb8/0x300
[  222.544582]  mems_allowed=0
[  222.549424]  ? trace_hardirqs_off+0xb8/0x300
[  222.570659]  __alloc_pages_slowpath+0x2667/0x2d80
[  222.575527]  ? mark_held_locks+0x130/0x130
[  222.579768]  ? warn_alloc+0x120/0x120
[  222.583575]  ? warn_alloc+0x120/0x120
[  222.587417]  ? print_usage_bug+0xc0/0xc0
[  222.591493]  ? warn_alloc+0x120/0x120
[  222.595298]  ? print_usage_bug+0xc0/0xc0
[  222.599363]  ? __lock_acquire+0x7ec/0x4ec0
[  222.603617]  ? __lock_acquire+0x7ec/0x4ec0
[  222.607863]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  222.613416]  ? should_fail+0x22d/0xd01
[  222.617310]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  222.622422]  ? __lock_acquire+0x7ec/0x4ec0
[  222.626663]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  222.631765]  ? __lock_acquire+0x7ec/0x4ec0
[  222.636012]  ? should_fail+0x22d/0xd01
[  222.639921]  ? mark_held_locks+0x130/0x130
[  222.644180]  ? mark_held_locks+0x130/0x130
[  222.648435]  ? graph_lock+0x170/0x170
[  222.652237]  ? graph_lock+0x170/0x170
[  222.656045]  ? graph_lock+0x170/0x170
[  222.659866]  ? print_usage_bug+0xc0/0xc0
[  222.663926]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.669469]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.675012]  ? check_preemption_disabled+0x48/0x200
[  222.680029]  ? check_preemption_disabled+0x48/0x200
[  222.685055]  ? __lock_is_held+0xb5/0x140
[  222.689130]  __alloc_pages_nodemask+0xa80/0xde0
[  222.693800]  ? graph_lock+0x170/0x170
[  222.697610]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  222.702629]  ? graph_lock+0x170/0x170
[  222.706444]  ? find_held_lock+0x36/0x1c0
[  222.710519]  ? ____cache_alloc_node+0x1c7/0x1e0
[  222.715203]  ? lock_downgrade+0x900/0x900
[  222.719384]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.724935]  cache_grow_begin+0x91/0x8c0
[  222.728999]  ? do_raw_spin_unlock+0xa7/0x2f0
[  222.733424]  fallback_alloc+0x203/0x2e0
[  222.737425]  ____cache_alloc_node+0x1c7/0x1e0
[  222.741932]  kmem_cache_alloc_node+0xe3/0x730
[  222.746435]  ? ipv6_get_ifaddr+0x42e/0x620
[  222.750684]  __alloc_skb+0x119/0x770
[  222.754415]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  222.759701]  ? skb_scrub_packet+0x490/0x490
[  222.764023]  ? lock_downgrade+0x900/0x900
[  222.768181]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.773721]  ? refcount_sub_and_test_checked+0x203/0x310
[  222.779178]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  222.784631]  ? addrconf_rs_timer+0x6f0/0x6f0
[  222.789056]  ndisc_alloc_skb+0x144/0x340
[  222.793136]  ndisc_send_rs+0x331/0x6e0
[  222.797030]  addrconf_rs_timer+0x3c0/0x6f0
[  222.801274]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  222.805527]  call_timer_fn+0x272/0x920
[  222.809446]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  222.813684]  ? process_timeout+0x40/0x40
[  222.817749]  ? find_held_lock+0x36/0x1c0
[  222.821822]  ? __run_timers+0x7da/0xc70
[  222.825817]  ? _raw_spin_unlock_irq+0x27/0x80
[  222.830322]  ? _raw_spin_unlock_irq+0x27/0x80
[  222.834821]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  222.839071]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  222.843660]  ? trace_hardirqs_on+0xbd/0x310
[  222.847985]  ? kasan_check_read+0x11/0x20
[  222.852141]  ? __run_timers+0x7da/0xc70
[  222.856119]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  222.861586]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  222.865828]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  222.870065]  __run_timers+0x7e5/0xc70
[  222.873882]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  222.879258]  ? compat_start_thread+0x80/0x80
[  222.883673]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.889219]  ? kasan_check_write+0x14/0x20
[  222.893456]  ? finish_task_switch+0x2f5/0x900
[  222.897949]  ? __switch_to_asm+0x40/0x70
[  222.902050]  ? preempt_notifier_register+0x200/0x200
[  222.907172]  ? __switch_to_asm+0x34/0x70
[  222.911235]  ? __switch_to_asm+0x40/0x70
[  222.915291]  ? __switch_to_asm+0x34/0x70
[  222.919349]  ? __switch_to_asm+0x40/0x70
[  222.923419]  ? __switch_to_asm+0x34/0x70
[  222.927491]  ? __switch_to_asm+0x40/0x70
[  222.931579]  ? pvclock_read_flags+0x160/0x160
[  222.936078]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.941658]  ? check_preemption_disabled+0x48/0x200
[  222.946685]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  222.952225]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  222.957508]  ? rcu_pm_notify+0xc0/0xc0
[  222.961404]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.966946]  ? check_preemption_disabled+0x48/0x200
[  222.971967]  run_timer_softirq+0x52/0xb0
[  222.976036]  ? rcu_read_lock_sched_held+0x108/0x120
[  222.981058]  __do_softirq+0x30b/0xad8
[  222.984868]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  222.989980]  ? schedule+0x108/0x460
[  222.993613]  ? __schedule+0x1ed0/0x1ed0
[  222.997593]  ? trace_hardirqs_off+0xb8/0x300
[  223.002004]  ? ___might_sleep+0x1ed/0x300
[  223.006149]  ? smpboot_thread_fn+0x68b/0xa00
[  223.010572]  ? trace_hardirqs_on+0x310/0x310
[  223.014985]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  223.020529]  ? check_preemption_disabled+0x48/0x200
[  223.025546]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.031087]  ? takeover_tasklets+0xa90/0xa90
[  223.035499]  run_ksoftirqd+0x94/0x100
[  223.039303]  smpboot_thread_fn+0x68b/0xa00
[  223.043542]  ? sort_range+0x30/0x30
[  223.047669]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  223.052775]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  223.058312]  ? __kthread_parkme+0xfb/0x1a0
[  223.062547]  kthread+0x35a/0x420
[  223.065922]  ? sort_range+0x30/0x30
[  223.069559]  ? kthread_bind+0x40/0x40
[  223.073363]  ret_from_fork+0x3a/0x50
[  223.077115] CPU: 1 PID: 10110 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
[  223.077121] warn_alloc_show_mem: 1 callbacks suppressed
[  223.077128] Mem-Info:
[  223.084404] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  223.089782] active_anon:39159 inactive_anon:1633 isolated_anon:0
[  223.089782]  active_file:15 inactive_file:16 isolated_file:0
[  223.089782]  unevictable:0 dirty:0 writeback:0 unstable:0
[  223.089782]  slab_reclaimable:8773 slab_unreclaimable:1470459
[  223.089782]  mapped:49330 shmem:1666 pagetables:630 bounce:0
[  223.089782]  free:13723 free_pcp:275 free_cma:0
[  223.092168] Call Trace:
[  223.101565] Node 0 active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197320kB dirty:0kB writeback:0kB shmem:6664kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  223.134685]  <IRQ>
[  223.137265] Node 0 
[  223.165393]  dump_stack+0x1c4/0x2b4
[  223.167551] 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
[  223.169762]  ? dump_stack_print_info.cold.2+0x52/0x52
[  223.173360] lowmem_reserve[]: 0
[  223.198882]  warn_alloc.cold.118+0xb7/0x1bd
[  223.204040]  2817
[  223.207314]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  223.211608]  6321 6321
[  223.213678]  ? lock_downgrade+0x900/0x900
[  223.218496] Node 0 
[  223.220994]  ? trace_hardirqs_off+0xb8/0x300
[  223.225142] DMA32 free:25172kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  223.227356]  ? trace_hardirqs_off+0xb8/0x300
[  223.231732] lowmem_reserve[]: 0
[  223.258463]  __alloc_pages_slowpath+0x2667/0x2d80
[  223.262846]  0
[  223.266145]  ? warn_alloc+0x120/0x120
[  223.270953]  3503
[  223.272760]  ? trace_hardirqs_on+0x310/0x310
[  223.276532]  3503
[  223.278598]  ? warn_alloc+0x120/0x120
[  223.282981] Node 0 
[  223.285040]  ? print_usage_bug+0xc0/0xc0
[  223.288840] Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5408kB pagetables:2520kB bounce:0kB free_pcp:852kB local_pcp:604kB free_cma:0kB
[  223.291048]  ? warn_alloc+0x120/0x120
[  223.295089] lowmem_reserve[]: 0
[  223.323467]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  223.327244]  0
[  223.330516]  ? print_usage_bug+0xc0/0xc0
[  223.335508]  0
[  223.337305]  ? __lock_acquire+0x7ec/0x4ec0
[  223.341348]  0
[  223.343161]  ? __lock_acquire+0x7ec/0x4ec0
[  223.347368] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB 
[  223.349268]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  223.353477] (U) 
[  223.360745]  ? should_fail+0x22d/0xd01
[  223.366256] 1*256kB 
[  223.368227]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  223.372090] (U) 0*512kB 
[  223.374427]  ? __lock_acquire+0x7ec/0x4ec0
[  223.379506] 1*1024kB 
[  223.382199]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  223.386435] (U) 
[  223.388944]  ? __lock_acquire+0x7ec/0x4ec0
[  223.394020] 1*2048kB (M) 
[  223.396000]  ? should_fail+0x22d/0xd01
[  223.400213] 3*4096kB 
[  223.402961]  ? print_usage_bug+0xc0/0xc0
[  223.406826] (M) 
[  223.409245]  ? mark_held_locks+0x130/0x130
[  223.413297] = 15908kB
[  223.415702]  ? mark_held_locks+0x130/0x130
[  223.419915] Node 0 
[  223.422325]  ? graph_lock+0x170/0x170
[  223.426526] DMA32: 3*4kB 
[  223.428765]  ? print_usage_bug+0xc0/0xc0
[  223.432541] (UM) 
[  223.435296]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  223.439333] 1*8kB 
[  223.441398]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.446145] (U) 
[  223.448297]  ? check_preemption_disabled+0x48/0x200
[  223.453809] 4*16kB 
[  223.455784]  ? check_preemption_disabled+0x48/0x200
[  223.460775] (UM) 
[  223.463011]  ? __lock_is_held+0xb5/0x140
[  223.468001] 2*32kB 
[  223.470064]  __alloc_pages_nodemask+0xa80/0xde0
[  223.474112] (UM) 
[  223.476364]  ? graph_lock+0x170/0x170
[  223.481010] 3*64kB 
[  223.483069]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  223.486845] (UM) 
[  223.489073]  ? graph_lock+0x170/0x170
[  223.494064] 4*128kB 
[  223.496131]  ? find_held_lock+0x36/0x1c0
[  223.499911] (UM) 
[  223.502236]  ? ____cache_alloc_node+0x1c7/0x1e0
[  223.506267] 3*256kB (UM) 
[  223.508336]  ? lock_downgrade+0x900/0x900
[  223.512985] 4*512kB 
[  223.515765]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.519883] (UM) 
[  223.522214]  cache_grow_begin+0x91/0x8c0
[  223.527730] 3*1024kB 
[  223.529804]  ? do_raw_spin_unlock+0xa7/0x2f0
[  223.533840] (M) 
[  223.536264]  fallback_alloc+0x203/0x2e0
[  223.540640] 3*2048kB (UM) 3*4096kB (M) = 25172kB
[  223.540677] Node 0 Normal: 979*4kB 
[  223.543006]  ____cache_alloc_node+0x1c7/0x1e0
[  223.546925] (ME) 
[  223.551690]  kmem_cache_alloc_node+0xe3/0x730
[  223.555284] 483*8kB (UME) 
[  223.559928]  ? ipv6_get_ifaddr+0x42e/0x620
[  223.561968] 201*16kB 
[  223.566461]  __alloc_skb+0x119/0x770
[  223.569279] (ME) 
[  223.573512]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  223.575904] 59*32kB (UME) 
[  223.579624]  ? skb_scrub_packet+0x490/0x490
[  223.581670] 15*64kB 
[  223.586941]  ? lock_downgrade+0x900/0x900
[  223.589776] (UM) 
[  223.594567]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.596477] 0*128kB 0*256kB 
[  223.600640]  ? refcount_sub_and_test_checked+0x203/0x310
[  223.602679] 0*512kB 
[  223.608213]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  223.611211] 0*1024kB 
[  223.616657]  ? addrconf_rs_timer+0x6f0/0x6f0
[  223.618962] 0*2048kB 0*4096kB 
[  223.624431]  ndisc_alloc_skb+0x144/0x340
[  223.626814] = 13844kB
[  223.631244]  ndisc_send_rs+0x331/0x6e0
[  223.634444] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  223.638498]  addrconf_rs_timer+0x3c0/0x6f0
[  223.640906] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  223.644789]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  223.653618] 1697 total pagecache pages
[  223.657869]  call_timer_fn+0x272/0x920
[  223.666423] 0 pages in swap cache
[  223.670646]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  223.674515] Swap cache stats: add 0, delete 0, find 0/0
[  223.678425]  ? process_timeout+0x40/0x40
[  223.681854] Free swap  = 0kB
[  223.686080]  ? find_held_lock+0x36/0x1c0
[  223.691448] Total swap = 0kB
[  223.695510]  ? __run_timers+0x7da/0xc70
[  223.698504] 1965979 pages RAM
[  223.702568]  ? _raw_spin_unlock_irq+0x27/0x80
[  223.705560] 0 pages HighMem/MovableOnly
[  223.705570] 342744 pages reserved
[  223.709543]  ? _raw_spin_unlock_irq+0x27/0x80
[  223.712628] 0 pages cma reserved
[  223.717152]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  223.721191] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  223.724552]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  223.729143] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  223.732419]  ? trace_hardirqs_on+0xbd/0x310
[  223.736634] ksoftirqd/0 cpuset=
[  223.743128]  ? kasan_check_read+0x11/0x20
[  223.747684] /
[  223.757992]  ? __run_timers+0x7da/0xc70
[  223.762290]  mems_allowed=0
[  223.765572]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  223.783784]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  223.788036]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  223.792273]  __run_timers+0x7e5/0xc70
[  223.796099]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  223.801489]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  223.806787]  ? rcu_bh_qs+0xc0/0xc0
[  223.810326]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.815888]  ? check_preemption_disabled+0x48/0x200
[  223.820928]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  223.825697]  ? retint_kernel+0x2d/0x2d
[  223.829582]  ? trace_hardirqs_on_caller+0xc0/0x300
[  223.834519]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  223.839272]  ? trace_hardirqs_off_caller+0x300/0x300
[  223.844383]  ? check_preemption_disabled+0x48/0x200
[  223.849405]  ? graph_lock+0x170/0x170
[  223.853209]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.858747]  ? check_preemption_disabled+0x48/0x200
[  223.863771]  ? __lock_is_held+0xb5/0x140
[  223.867846]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.873386]  ? check_preemption_disabled+0x48/0x200
[  223.878424]  run_timer_softirq+0x52/0xb0
[  223.882486]  ? rcu_read_lock_sched_held+0x108/0x120
[  223.887505]  __do_softirq+0x30b/0xad8
[  223.891343]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  223.896477]  ? pvclock_read_flags+0x160/0x160
[  223.900979]  ? lapic_next_event+0x5a/0x90
[  223.905128]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.910664]  ? check_preemption_disabled+0x48/0x200
[  223.915687]  ? check_preemption_disabled+0x48/0x200
[  223.920752]  ? kvm_clock_read+0x18/0x30
[  223.924724]  ? kvm_sched_clock_read+0x9/0x20
[  223.929133]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.934668]  ? check_preemption_disabled+0x48/0x200
[  223.939699]  irq_exit+0x17f/0x1c0
[  223.943156]  smp_apic_timer_interrupt+0x1cb/0x760
[  223.948083]  ? smp_reschedule_interrupt+0x109/0x650
[  223.953118]  ? smp_call_function_single_interrupt+0x650/0x650
[  223.958999]  ? interrupt_entry+0xb5/0xf0
[  223.963083]  ? trace_hardirqs_off_caller+0xbb/0x300
[  223.968109]  ? trace_hardirqs_off_caller+0xbb/0x300
[  223.973124]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  223.977974]  ? trace_hardirqs_off+0x300/0x300
[  223.982468]  ? trace_hardirqs_off+0x300/0x300
[  223.986980]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.992516]  ? check_preemption_disabled+0x48/0x200
[  223.997530]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.003096]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  224.007950]  apic_timer_interrupt+0xf/0x20
[  224.012177]  </IRQ>
[  224.014421] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  224.019358] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 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 9a 42
[  224.038262] RSP: 0018:ffff88019cfa7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  224.045973] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  224.053238] RDX: 0000000000000000 RSI: ffff88019d338900 RDI: 0000000000000282
[  224.060501] RBP: ffff88019cfa77b0 R08: ffff88019d338080 R09: 0000000000000000
[  224.067763] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  224.075026] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  224.082330]  skb_clone+0x1bb/0x500
[  224.085883]  ? finish_task_switch+0x2f5/0x900
[  224.090387]  ? skb_split+0x11e0/0x11e0
[  224.094272]  ? preempt_notifier_register+0x200/0x200
[  224.099367]  ? __switch_to_asm+0x34/0x70
[  224.103444]  ? __switch_to_asm+0x34/0x70
[  224.107500]  ? __switch_to_asm+0x40/0x70
[  224.111574]  ? __switch_to_asm+0x34/0x70
[  224.115642]  ? __switch_to_asm+0x40/0x70
[  224.119727]  ? __switch_to_asm+0x34/0x70
[  224.123784]  ? __switch_to_asm+0x40/0x70
[  224.127852]  ? __switch_to_asm+0x34/0x70
[  224.131941]  ? __switch_to_asm+0x34/0x70
[  224.135999]  ? __switch_to_asm+0x40/0x70
[  224.140064]  ? __switch_to_asm+0x34/0x70
[  224.144154]  bpf_clone_redirect+0xb9/0x490
[  224.148399]  ? __schedule+0x874/0x1ed0
[  224.152334]  bpf_prog_bebbfe2050753572+0x482/0x1000
[  224.157352]  ? __sched_text_start+0x8/0x8
[  224.161549]  ? find_held_lock+0x36/0x1c0
[  224.165663]  ? lock_acquire+0x1ed/0x520
[  224.169645]  ? bpf_test_run+0x32e/0x5a0
[  224.173640]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.179184]  ? check_preemption_disabled+0x48/0x200
[  224.184217]  ? kasan_check_read+0x11/0x20
[  224.188366]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  224.193656]  ? rcu_bh_qs+0xc0/0xc0
[  224.197203]  ? preempt_schedule+0x4d/0x60
[  224.201362]  ? ___preempt_schedule+0x16/0x18
[  224.205785]  ? bpf_test_run+0x1c0/0x5a0
[  224.209769]  ? netlink_diag_dump+0x2a0/0x2a0
[  224.214183]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  224.219715]  ? bpf_test_init.isra.9+0x70/0x100
[  224.224315]  ? bpf_prog_test_run_skb+0x634/0xb40
[  224.229081]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  224.233928]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  224.239465]  ? fput+0x130/0x1a0
[  224.242747]  ? __bpf_prog_get+0x9b/0x290
[  224.246813]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  224.251653]  ? bpf_prog_test_run+0x130/0x1a0
[  224.256063]  ? __x64_sys_bpf+0x3d8/0x510
[  224.260122]  ? bpf_prog_get+0x20/0x20
[  224.263936]  ? ksys_ioctl+0x81/0xd0
[  224.267573]  ? do_syscall_64+0x1b9/0x820
[  224.271632]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  224.276996]  ? syscall_return_slowpath+0x5e0/0x5e0
[  224.281929]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  224.286770]  ? trace_hardirqs_off+0x300/0x300
[  224.291269]  ? prepare_exit_to_usermode+0x291/0x3b0
[  224.296296]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  224.301156]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  224.306536] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
[  224.306642] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  224.313291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  224.313297] Call Trace:
[  224.313314]  dump_stack+0x1c4/0x2b4
[  224.313330]  ? dump_stack_print_info.cold.2+0x52/0x52
[  224.313355]  warn_alloc.cold.118+0xb7/0x1bd
[  224.319926] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  224.329197]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  224.331768] syz-executor1 cpuset=
[  224.335395]  ? lock_downgrade+0x900/0x900
[  224.340561] syz1
[  224.344879]  ? trace_hardirqs_off+0xb8/0x300
[  224.355340]  mems_allowed=0
[  224.360175]  ? trace_hardirqs_off+0xb8/0x300
[  224.381420]  __alloc_pages_slowpath+0x2667/0x2d80
[  224.386290]  ? mark_held_locks+0x130/0x130
[  224.390539]  ? warn_alloc+0x120/0x120
[  224.394348]  ? warn_alloc+0x120/0x120
[  224.398174]  ? print_usage_bug+0xc0/0xc0
[  224.402234]  ? warn_alloc+0x120/0x120
[  224.406077]  ? print_usage_bug+0xc0/0xc0
[  224.410153]  ? __lock_acquire+0x7ec/0x4ec0
[  224.414391]  ? __lock_acquire+0x7ec/0x4ec0
[  224.418646]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  224.424207]  ? should_fail+0x22d/0xd01
[  224.428099]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  224.433205]  ? __lock_acquire+0x7ec/0x4ec0
[  224.437450]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  224.442551]  ? __lock_acquire+0x7ec/0x4ec0
[  224.446786]  ? should_fail+0x22d/0xd01
[  224.450684]  ? print_usage_bug+0xc0/0xc0
[  224.454778]  ? mark_held_locks+0x130/0x130
[  224.459021]  ? mark_held_locks+0x130/0x130
[  224.463298]  ? graph_lock+0x170/0x170
[  224.467100]  ? print_usage_bug+0xc0/0xc0
[  224.471162]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  224.475917]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.481455]  ? check_preemption_disabled+0x48/0x200
[  224.486470]  ? check_preemption_disabled+0x48/0x200
[  224.491497]  ? __lock_is_held+0xb5/0x140
[  224.495565]  __alloc_pages_nodemask+0xa80/0xde0
[  224.500234]  ? graph_lock+0x170/0x170
[  224.504037]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  224.509049]  ? graph_lock+0x170/0x170
[  224.512859]  ? find_held_lock+0x36/0x1c0
[  224.516934]  ? ____cache_alloc_node+0x1c7/0x1e0
[  224.521620]  ? lock_downgrade+0x900/0x900
[  224.525779]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.531320]  cache_grow_begin+0x91/0x8c0
[  224.535392]  ? do_raw_spin_unlock+0xa7/0x2f0
[  224.539828]  fallback_alloc+0x203/0x2e0
[  224.543821]  ____cache_alloc_node+0x1c7/0x1e0
[  224.548325]  kmem_cache_alloc_node+0xe3/0x730
[  224.552823]  ? ipv6_get_ifaddr+0x42e/0x620
[  224.557068]  __alloc_skb+0x119/0x770
[  224.560786]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  224.566086]  ? skb_scrub_packet+0x490/0x490
[  224.570422]  ? lock_downgrade+0x900/0x900
[  224.574584]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.580124]  ? refcount_sub_and_test_checked+0x203/0x310
[  224.585583]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  224.591036]  ? addrconf_rs_timer+0x6f0/0x6f0
[  224.595462]  ndisc_alloc_skb+0x144/0x340
[  224.599531]  ndisc_send_rs+0x331/0x6e0
[  224.603429]  addrconf_rs_timer+0x3c0/0x6f0
[  224.607684]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  224.611932]  call_timer_fn+0x272/0x920
[  224.615823]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  224.620062]  ? process_timeout+0x40/0x40
[  224.624132]  ? find_held_lock+0x36/0x1c0
[  224.628207]  ? __run_timers+0x7da/0xc70
[  224.632202]  ? _raw_spin_unlock_irq+0x27/0x80
[  224.636694]  ? _raw_spin_unlock_irq+0x27/0x80
[  224.641193]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  224.645430]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  224.650012]  ? trace_hardirqs_on+0xbd/0x310
[  224.654338]  ? kasan_check_read+0x11/0x20
[  224.658501]  ? __run_timers+0x7da/0xc70
[  224.662483]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  224.667940]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  224.672191]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  224.676438]  __run_timers+0x7e5/0xc70
[  224.680266]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  224.685626]  ? compat_start_thread+0x80/0x80
[  224.690041]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.695596]  ? kasan_check_write+0x14/0x20
[  224.699864]  ? finish_task_switch+0x2f5/0x900
[  224.704361]  ? __switch_to_asm+0x40/0x70
[  224.708433]  ? preempt_notifier_register+0x200/0x200
[  224.713541]  ? __switch_to_asm+0x34/0x70
[  224.717597]  ? __switch_to_asm+0x40/0x70
[  224.721656]  ? __switch_to_asm+0x34/0x70
[  224.725722]  ? __switch_to_asm+0x40/0x70
[  224.729780]  ? __switch_to_asm+0x34/0x70
[  224.733838]  ? __switch_to_asm+0x40/0x70
[  224.737919]  ? pvclock_read_flags+0x160/0x160
[  224.742422]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.747968]  ? check_preemption_disabled+0x48/0x200
[  224.753010]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  224.758548]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  224.763825]  ? rcu_pm_notify+0xc0/0xc0
[  224.767710]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.773261]  ? check_preemption_disabled+0x48/0x200
[  224.778296]  run_timer_softirq+0x52/0xb0
[  224.782362]  ? rcu_read_lock_sched_held+0x108/0x120
[  224.787381]  __do_softirq+0x30b/0xad8
[  224.791201]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  224.796321]  ? schedule+0x108/0x460
[  224.799968]  ? __schedule+0x1ed0/0x1ed0
[  224.803951]  ? trace_hardirqs_off+0xb8/0x300
[  224.808394]  ? ___might_sleep+0x1ed/0x300
[  224.812561]  ? smpboot_thread_fn+0x68b/0xa00
[  224.816970]  ? trace_hardirqs_on+0x310/0x310
[  224.821385]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  224.826936]  ? check_preemption_disabled+0x48/0x200
[  224.831952]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.837492]  ? takeover_tasklets+0xa90/0xa90
[  224.841912]  run_ksoftirqd+0x94/0x100
[  224.845736]  smpboot_thread_fn+0x68b/0xa00
[  224.849982]  ? sort_range+0x30/0x30
[  224.853621]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  224.858730]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  224.864268]  ? __kthread_parkme+0xfb/0x1a0
[  224.868512]  kthread+0x35a/0x420
[  224.871879]  ? sort_range+0x30/0x30
[  224.875514]  ? kthread_bind+0x40/0x40
[  224.879325]  ret_from_fork+0x3a/0x50
[  224.883059] warn_alloc_show_mem: 1 callbacks suppressed
[  224.883072] CPU: 1 PID: 10110 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
[  224.883074] Mem-Info:
[  224.883105] active_anon:39159 inactive_anon:1633 isolated_anon:0
[  224.883105]  active_file:15 inactive_file:16 isolated_file:0
[  224.883105]  unevictable:0 dirty:0 writeback:0 unstable:0
[  224.883105]  slab_reclaimable:8773 slab_unreclaimable:1470459
[  224.883105]  mapped:49330 shmem:1666 pagetables:630 bounce:0
[  224.883105]  free:13723 free_pcp:275 free_cma:0
[  224.888454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  224.895736] Node 0 active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197320kB dirty:0kB writeback:0kB shmem:6664kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  224.898137] Call Trace:
[  224.931188] Node 0 
[  224.940541]  <IRQ>
[  224.968234] 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
[  224.970800]  dump_stack+0x1c4/0x2b4
[  224.973010] lowmem_reserve[]:
[  224.975159]  ? dump_stack_print_info.cold.2+0x52/0x52
[  225.000646]  0 2817
[  225.004306]  warn_alloc.cold.118+0xb7/0x1bd
[  225.007368]  6321 6321
[  225.012578]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  225.019107]  ? lock_downgrade+0x900/0x900
[  225.021600] Node 0 
[  225.026449]  ? trace_hardirqs_off+0xb8/0x300
[  225.030598] DMA32 free:25172kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  225.032813]  ? trace_hardirqs_off+0xb8/0x300
[  225.037196] lowmem_reserve[]:
[  225.064165]  __alloc_pages_slowpath+0x2667/0x2d80
[  225.068567]  0
[  225.071693]  ? warn_alloc+0x120/0x120
[  225.076490]  0
[  225.078329]  ? trace_hardirqs_on+0x310/0x310
[  225.082107]  3503
[  225.083912]  ? warn_alloc+0x120/0x120
[  225.088294]  3503
[  225.090358]  ? print_usage_bug+0xc0/0xc0
[  225.096203]  ? warn_alloc+0x120/0x120
[  225.100243] Node 0 
[  225.104037]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  225.104075] Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5408kB pagetables:2520kB bounce:0kB free_pcp:852kB local_pcp:604kB free_cma:0kB
[  225.106282]  ? print_usage_bug+0xc0/0xc0
[  225.112016] lowmem_reserve[]: 0
[  225.140402]  ? __lock_acquire+0x7ec/0x4ec0
[  225.144459]  0
[  225.147737]  ? __lock_acquire+0x7ec/0x4ec0
[  225.152147]  0 0
[  225.153965]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  225.158177] Node 0 
[  225.160153]  ? should_fail+0x22d/0xd01
[  225.165665] DMA: 
[  225.167943]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  225.171805] 1*4kB 
[  225.173863]  ? __lock_acquire+0x7ec/0x4ec0
[  225.178944] (U) 
[  225.181104]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  225.185313] 0*8kB 
[  225.187289]  ? __lock_acquire+0x7ec/0x4ec0
[  225.192368] 0*16kB 
[  225.194526]  ? should_fail+0x22d/0xd01
[  225.198732] 1*32kB (U) 
[  225.200989]  ? print_usage_bug+0xc0/0xc0
[  225.204850] 2*64kB (U) 
[  225.207474]  ? mark_held_locks+0x130/0x130
[  225.211519] 1*128kB 
[  225.214101]  ? mark_held_locks+0x130/0x130
[  225.218315] (U) 
[  225.220643]  ? graph_lock+0x170/0x170
[  225.224846] 1*256kB (U) 
[  225.226828]  ? print_usage_bug+0xc0/0xc0
[  225.230619] 0*512kB 
[  225.233301]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  225.237338] 1*1024kB 
[  225.239660]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.244389] (U) 
[  225.246810]  ? check_preemption_disabled+0x48/0x200
[  225.252321] 1*2048kB 
[  225.254299]  ? check_preemption_disabled+0x48/0x200
[  225.259302] (M) 
[  225.261719]  ? __lock_is_held+0xb5/0x140
[  225.266708] 3*4096kB 
[  225.268688]  __alloc_pages_nodemask+0xa80/0xde0
[  225.272718] (M) 
[  225.275130]  ? graph_lock+0x170/0x170
[  225.279769] = 15908kB
[  225.279778] Node 0 
[  225.281751]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  225.285522] DMA32: 3*4kB 
[  225.287942]  ? graph_lock+0x170/0x170
[  225.290159] (UM) 
[  225.295187]  ? find_held_lock+0x36/0x1c0
[  225.297920] 1*8kB 
[  225.301721]  ? ____cache_alloc_node+0x1c7/0x1e0
[  225.303755] (U) 
[  225.307810]  ? lock_downgrade+0x900/0x900
[  225.309973] 4*16kB 
[  225.314644]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.316607] (UM) 
[  225.320768]  cache_grow_begin+0x91/0x8c0
[  225.322981] 2*32kB 
[  225.328513]  ? do_raw_spin_unlock+0xa7/0x2f0
[  225.330554] (UM) 
[  225.334618]  fallback_alloc+0x203/0x2e0
[  225.336829] 3*64kB 
[  225.341236]  ____cache_alloc_node+0x1c7/0x1e0
[  225.343275] (UM) 
[  225.347247]  kmem_cache_alloc_node+0xe3/0x730
[  225.349462] 4*128kB 
[  225.354057]  ? ipv6_get_ifaddr+0x42e/0x620
[  225.356090] (UM) 3*256kB 
[  225.360598]  __alloc_skb+0x119/0x770
[  225.362895] (UM) 
[  225.367149]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  225.369882] 4*512kB 
[  225.373646]  ? skb_scrub_packet+0x490/0x490
[  225.375687] (UM) 
[  225.380971]  ? lock_downgrade+0x900/0x900
[  225.383272] 3*1024kB 
[  225.387594]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.389632] (M) 
[  225.393778]  ? refcount_sub_and_test_checked+0x203/0x310
[  225.396166] 3*2048kB 
[  225.401697]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  225.403650] (UM) 
[  225.409098]  ? addrconf_rs_timer+0x6f0/0x6f0
[  225.411486] 3*4096kB (M) 
[  225.416951]  ndisc_alloc_skb+0x144/0x340
[  225.418989] = 25172kB
[  225.423398]  ndisc_send_rs+0x331/0x6e0
[  225.426131] Node 0 
[  225.430191]  addrconf_rs_timer+0x3c0/0x6f0
[  225.432582] Normal: 
[  225.436467]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  225.438686] 979*4kB 
[  225.442953]  call_timer_fn+0x272/0x920
[  225.445242] (ME) 
[  225.449469]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  225.451771] 483*8kB 
[  225.455653]  ? process_timeout+0x40/0x40
[  225.457694] (UME) 
[  225.461932]  ? find_held_lock+0x36/0x1c0
[  225.464257] 201*16kB 
[  225.468319]  ? __run_timers+0x7da/0xc70
[  225.470446] (ME) 
[  225.474504]  ? _raw_spin_unlock_irq+0x27/0x80
[  225.476893] 59*32kB 
[  225.480880]  ? _raw_spin_unlock_irq+0x27/0x80
[  225.482924] (UME) 
[  225.487421]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  225.489726] 15*64kB 
[  225.494217]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  225.496346] (UM) 
[  225.500589]  ? trace_hardirqs_on+0xbd/0x310
[  225.502887] 0*128kB 
[  225.507481]  ? kasan_check_read+0x11/0x20
[  225.509520] 0*256kB 
[  225.513839]  ? __run_timers+0x7da/0xc70
[  225.516151] 0*512kB 
[  225.520294]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  225.522598] 0*1024kB 
[  225.526570]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  225.528870] 0*2048kB 
[  225.534318]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  225.536705] 0*4096kB 
[  225.540948]  __run_timers+0x7e5/0xc70
[  225.543347] = 13844kB
[  225.547586]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  225.549971] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  225.553765]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  225.556161] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  225.561518]  ? rcu_bh_qs+0xc0/0xc0
[  225.570335] 1697 total pagecache pages
[  225.575609]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.584165] 0 pages in swap cache
[  225.587697]  ? check_preemption_disabled+0x48/0x200
[  225.591566] Swap cache stats: add 0, delete 0, find 0/0
[  225.597098]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  225.600529] Free swap  = 0kB
[  225.605555]  ? retint_kernel+0x2d/0x2d
[  225.610896] Total swap = 0kB
[  225.615657]  ? trace_hardirqs_on_caller+0xc0/0x300
[  225.618661] 1965979 pages RAM
[  225.622547]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  225.625538] 0 pages HighMem/MovableOnly
[  225.625547] 342744 pages reserved
[  225.630474]  ? trace_hardirqs_off_caller+0x300/0x300
[  225.633556] 0 pages cma reserved
[  225.638313]  ? check_preemption_disabled+0x48/0x200
[  225.642369] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  225.645734]  ? graph_lock+0x170/0x170
[  225.650919] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  225.654181]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.659180] ksoftirqd/0 cpuset=
[  225.665749]  ? check_preemption_disabled+0x48/0x200
[  225.669527] /
[  225.679843]  ? __lock_is_held+0xb5/0x140
[  225.685355]  mems_allowed=0
[  225.688640]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.707845]  ? check_preemption_disabled+0x48/0x200
[  225.712871]  run_timer_softirq+0x52/0xb0
[  225.716941]  ? rcu_read_lock_sched_held+0x108/0x120
[  225.721966]  __do_softirq+0x30b/0xad8
[  225.725782]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  225.730923]  ? pvclock_read_flags+0x160/0x160
[  225.735435]  ? lapic_next_event+0x5a/0x90
[  225.739607]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.745150]  ? check_preemption_disabled+0x48/0x200
[  225.750168]  ? check_preemption_disabled+0x48/0x200
[  225.755196]  ? kvm_clock_read+0x18/0x30
[  225.759171]  ? kvm_sched_clock_read+0x9/0x20
[  225.763586]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.769127]  ? check_preemption_disabled+0x48/0x200
[  225.774156]  irq_exit+0x17f/0x1c0
[  225.777626]  smp_apic_timer_interrupt+0x1cb/0x760
[  225.782493]  ? smp_reschedule_interrupt+0x109/0x650
[  225.787514]  ? smp_call_function_single_interrupt+0x650/0x650
[  225.793406]  ? interrupt_entry+0xb5/0xf0
[  225.797471]  ? trace_hardirqs_off_caller+0xbb/0x300
[  225.802502]  ? trace_hardirqs_off_caller+0xbb/0x300
[  225.807522]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  225.812367]  ? trace_hardirqs_off+0x300/0x300
[  225.816869]  ? trace_hardirqs_off+0x300/0x300
[  225.821382]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.826928]  ? check_preemption_disabled+0x48/0x200
[  225.831945]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.837495]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  225.842349]  apic_timer_interrupt+0xf/0x20
[  225.846586]  </IRQ>
[  225.848828] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  225.853766] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 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 9a 42
[  225.872677] RSP: 0018:ffff88019cfa7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  225.880392] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  225.887660] RDX: 0000000000000000 RSI: ffff88019d338900 RDI: 0000000000000282
[  225.894931] RBP: ffff88019cfa77b0 R08: ffff88019d338080 R09: 0000000000000000
[  225.902206] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  225.909473] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  225.916785]  skb_clone+0x1bb/0x500
[  225.920344]  ? finish_task_switch+0x2f5/0x900
[  225.924846]  ? skb_split+0x11e0/0x11e0
[  225.928755]  ? preempt_notifier_register+0x200/0x200
[  225.933858]  ? __switch_to_asm+0x34/0x70
[  225.937963]  ? __switch_to_asm+0x34/0x70
[  225.942039]  ? __switch_to_asm+0x40/0x70
[  225.946097]  ? __switch_to_asm+0x34/0x70
[  225.950157]  ? __switch_to_asm+0x40/0x70
[  225.954214]  ? __switch_to_asm+0x34/0x70
[  225.958272]  ? __switch_to_asm+0x40/0x70
[  225.962333]  ? __switch_to_asm+0x34/0x70
[  225.966397]  ? __switch_to_asm+0x34/0x70
[  225.970461]  ? __switch_to_asm+0x40/0x70
[  225.974536]  ? __switch_to_asm+0x34/0x70
[  225.978606]  bpf_clone_redirect+0xb9/0x490
[  225.982847]  ? __schedule+0x874/0x1ed0
[  225.986740]  bpf_prog_bebbfe2050753572+0x482/0x1000
[  225.991762]  ? __sched_text_start+0x8/0x8
[  225.995933]  ? find_held_lock+0x36/0x1c0
[  226.000002]  ? lock_acquire+0x1ed/0x520
[  226.003979]  ? bpf_test_run+0x32e/0x5a0
[  226.007957]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.013500]  ? check_preemption_disabled+0x48/0x200
[  226.018527]  ? kasan_check_read+0x11/0x20
[  226.022681]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  226.027957]  ? rcu_bh_qs+0xc0/0xc0
[  226.031500]  ? preempt_schedule+0x4d/0x60
[  226.035652]  ? ___preempt_schedule+0x16/0x18
[  226.040070]  ? bpf_test_run+0x1c0/0x5a0
[  226.044077]  ? netlink_diag_dump+0x2a0/0x2a0
[  226.048496]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  226.054064]  ? bpf_test_init.isra.9+0x70/0x100
[  226.058653]  ? bpf_prog_test_run_skb+0x634/0xb40
[  226.063419]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  226.068266]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  226.073807]  ? fput+0x130/0x1a0
[  226.077094]  ? __bpf_prog_get+0x9b/0x290
[  226.081160]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  226.086008]  ? bpf_prog_test_run+0x130/0x1a0
[  226.090423]  ? __x64_sys_bpf+0x3d8/0x510
[  226.094510]  ? bpf_prog_get+0x20/0x20
[  226.098323]  ? ksys_ioctl+0x81/0xd0
[  226.101974]  ? do_syscall_64+0x1b9/0x820
[  226.106048]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  226.111414]  ? syscall_return_slowpath+0x5e0/0x5e0
[  226.116355]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  226.121214]  ? trace_hardirqs_off+0x300/0x300
[  226.125719]  ? prepare_exit_to_usermode+0x291/0x3b0
[  226.130744]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  226.135598]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  226.140996] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
[  226.141085] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  226.147756] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  226.147762] Call Trace:
[  226.147781]  dump_stack+0x1c4/0x2b4
[  226.147798]  ? dump_stack_print_info.cold.2+0x52/0x52
[  226.147825]  warn_alloc.cold.118+0xb7/0x1bd
[  226.154381] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  226.163667]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  226.166235] syz-executor1 cpuset=
[  226.169861]  ? lock_downgrade+0x900/0x900
[  226.175026] syz1
[  226.179359]  ? trace_hardirqs_off+0xb8/0x300
[  226.189830]  mems_allowed=0
[  226.194667]  ? trace_hardirqs_off+0xb8/0x300
[  226.215935]  __alloc_pages_slowpath+0x2667/0x2d80
[  226.220811]  ? mark_held_locks+0x130/0x130
[  226.225052]  ? warn_alloc+0x120/0x120
[  226.228881]  ? warn_alloc+0x120/0x120
[  226.232696]  ? print_usage_bug+0xc0/0xc0
[  226.236758]  ? warn_alloc+0x120/0x120
[  226.240563]  ? print_usage_bug+0xc0/0xc0
[  226.244636]  ? __lock_acquire+0x7ec/0x4ec0
[  226.248884]  ? __lock_acquire+0x7ec/0x4ec0
[  226.253126]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  226.258666]  ? should_fail+0x22d/0xd01
[  226.262588]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  226.267724]  ? __lock_acquire+0x7ec/0x4ec0
[  226.271964]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  226.277075]  ? __lock_acquire+0x7ec/0x4ec0
[  226.281307]  ? should_fail+0x22d/0xd01
[  226.285202]  ? print_usage_bug+0xc0/0xc0
[  226.289286]  ? mark_held_locks+0x130/0x130
[  226.293524]  ? mark_held_locks+0x130/0x130
[  226.297785]  ? graph_lock+0x170/0x170
[  226.301586]  ? print_usage_bug+0xc0/0xc0
[  226.305650]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  226.310417]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.315964]  ? check_preemption_disabled+0x48/0x200
[  226.320984]  ? check_preemption_disabled+0x48/0x200
[  226.326012]  ? __lock_is_held+0xb5/0x140
[  226.330108]  __alloc_pages_nodemask+0xa80/0xde0
[  226.334775]  ? graph_lock+0x170/0x170
[  226.338581]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  226.343606]  ? graph_lock+0x170/0x170
[  226.347429]  ? find_held_lock+0x36/0x1c0
[  226.351508]  ? ____cache_alloc_node+0x1c7/0x1e0
[  226.356179]  ? lock_downgrade+0x900/0x900
[  226.360361]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.365918]  cache_grow_begin+0x91/0x8c0
[  226.370007]  ? do_raw_spin_unlock+0xa7/0x2f0
[  226.374433]  fallback_alloc+0x203/0x2e0
[  226.378427]  ____cache_alloc_node+0x1c7/0x1e0
[  226.382930]  kmem_cache_alloc_node+0xe3/0x730
[  226.387434]  ? ipv6_get_ifaddr+0x42e/0x620
[  226.391689]  __alloc_skb+0x119/0x770
[  226.395416]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  226.400696]  ? skb_scrub_packet+0x490/0x490
[  226.405019]  ? lock_downgrade+0x900/0x900
[  226.409182]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.414720]  ? refcount_sub_and_test_checked+0x203/0x310
[  226.420211]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  226.425663]  ? addrconf_rs_timer+0x6f0/0x6f0
[  226.430088]  ndisc_alloc_skb+0x144/0x340
[  226.434157]  ndisc_send_rs+0x331/0x6e0
[  226.438048]  addrconf_rs_timer+0x3c0/0x6f0
[  226.442296]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  226.446546]  call_timer_fn+0x272/0x920
[  226.450434]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  226.454678]  ? process_timeout+0x40/0x40
[  226.458737]  ? find_held_lock+0x36/0x1c0
[  226.462808]  ? __run_timers+0x7da/0xc70
[  226.466805]  ? _raw_spin_unlock_irq+0x27/0x80
[  226.471299]  ? _raw_spin_unlock_irq+0x27/0x80
[  226.475792]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  226.480031]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  226.484616]  ? trace_hardirqs_on+0xbd/0x310
[  226.488940]  ? kasan_check_read+0x11/0x20
[  226.493096]  ? __run_timers+0x7da/0xc70
[  226.497101]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  226.502561]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  226.506804]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  226.511052]  __run_timers+0x7e5/0xc70
[  226.514877]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  226.520255]  ? compat_start_thread+0x80/0x80
[  226.524672]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.530252]  ? kasan_check_write+0x14/0x20
[  226.534489]  ? finish_task_switch+0x2f5/0x900
[  226.538988]  ? __switch_to_asm+0x40/0x70
[  226.543052]  ? preempt_notifier_register+0x200/0x200
[  226.548155]  ? __switch_to_asm+0x34/0x70
[  226.552212]  ? __switch_to_asm+0x40/0x70
[  226.556287]  ? __switch_to_asm+0x34/0x70
[  226.560355]  ? __switch_to_asm+0x40/0x70
[  226.564438]  ? __switch_to_asm+0x34/0x70
[  226.568505]  ? __switch_to_asm+0x40/0x70
[  226.572579]  ? pvclock_read_flags+0x160/0x160
[  226.577084]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.582624]  ? check_preemption_disabled+0x48/0x200
[  226.587649]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  226.593185]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  226.598500]  ? rcu_pm_notify+0xc0/0xc0
[  226.602398]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.607948]  ? check_preemption_disabled+0x48/0x200
[  226.612979]  run_timer_softirq+0x52/0xb0
[  226.617042]  ? rcu_read_lock_sched_held+0x108/0x120
[  226.622063]  __do_softirq+0x30b/0xad8
[  226.625891]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  226.631019]  ? schedule+0x108/0x460
[  226.634651]  ? __schedule+0x1ed0/0x1ed0
[  226.638633]  ? trace_hardirqs_off+0xb8/0x300
[  226.643046]  ? ___might_sleep+0x1ed/0x300
[  226.647192]  ? smpboot_thread_fn+0x68b/0xa00
[  226.651602]  ? trace_hardirqs_on+0x310/0x310
[  226.656013]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  226.661559]  ? check_preemption_disabled+0x48/0x200
[  226.666576]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.672128]  ? takeover_tasklets+0xa90/0xa90
[  226.676546]  run_ksoftirqd+0x94/0x100
[  226.680346]  smpboot_thread_fn+0x68b/0xa00
[  226.684595]  ? sort_range+0x30/0x30
[  226.688222]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  226.693362]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  226.698952]  ? __kthread_parkme+0xfb/0x1a0
[  226.703209]  kthread+0x35a/0x420
[  226.706573]  ? sort_range+0x30/0x30
[  226.710218]  ? kthread_bind+0x40/0x40
[  226.714025]  ret_from_fork+0x3a/0x50
[  226.717754] warn_alloc_show_mem: 1 callbacks suppressed
[  226.717767] CPU: 1 PID: 10110 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
[  226.717769] Mem-Info:
[  226.717801] active_anon:39159 inactive_anon:1633 isolated_anon:0
[  226.717801]  active_file:15 inactive_file:16 isolated_file:0
[  226.717801]  unevictable:0 dirty:0 writeback:0 unstable:0
[  226.717801]  slab_reclaimable:8773 slab_unreclaimable:1470459
[  226.717801]  mapped:49330 shmem:1666 pagetables:630 bounce:0
[  226.717801]  free:13723 free_pcp:275 free_cma:0
[  226.723148] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  226.730430] Node 0 active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197320kB dirty:0kB writeback:0kB shmem:6664kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  226.732830] Call Trace:
[  226.765873] Node 0 
[  226.775236]  <IRQ>
[  226.802916] 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
[  226.805479]  dump_stack+0x1c4/0x2b4
[  226.807707] lowmem_reserve[]:
[  226.809871]  ? dump_stack_print_info.cold.2+0x52/0x52
[  226.835348]  0
[  226.838986]  warn_alloc.cold.118+0xb7/0x1bd
[  226.842063]  2817
[  226.847263]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  226.849044]  6321
[  226.853360]  ? lock_downgrade+0x900/0x900
[  226.855416]  6321
[  226.860257]  ? trace_hardirqs_off+0xb8/0x300
[  226.866454]  ? trace_hardirqs_off+0xb8/0x300
[  226.868494] Node 0 
[  226.872911]  __alloc_pages_slowpath+0x2667/0x2d80
[  226.877324] DMA32 free:25172kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  226.879554]  ? warn_alloc+0x120/0x120
[  226.884370] lowmem_reserve[]:
[  226.911113]  ? warn_alloc+0x120/0x120
[  226.914895]  0
[  226.918008]  ? print_usage_bug+0xc0/0xc0
[  226.921785]  0
[  226.923587]  ? warn_alloc+0x120/0x120
[  226.927624]  3503 3503
[  226.929440]  ? print_usage_bug+0xc0/0xc0
[  226.935740]  ? __lock_acquire+0x7ec/0x4ec0
[  226.939783] Node 0 
[  226.944024]  ? __lock_acquire+0x7ec/0x4ec0
[  226.944080] Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5408kB pagetables:2520kB bounce:0kB free_pcp:852kB local_pcp:604kB free_cma:0kB
[  226.946285]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  226.950494] lowmem_reserve[]:
[  226.978859]  ? should_fail+0x22d/0xd01
[  226.984380]  0
[  226.987479]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  226.991341]  0
[  226.993139]  ? __lock_acquire+0x7ec/0x4ec0
[  226.998219]  0 0
[  227.000031]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  227.006236]  ? __lock_acquire+0x7ec/0x4ec0
[  227.011315] Node 0 
[  227.015550]  ? should_fail+0x22d/0xd01
[  227.015560] DMA: 
[  227.017794]  ? mark_held_locks+0x130/0x130
[  227.021677] 1*4kB 
[  227.023743]  ? mark_held_locks+0x130/0x130
[  227.027954] (U) 
[  227.030117]  ? graph_lock+0x170/0x170
[  227.034333] 0*8kB 
[  227.036308]  ? graph_lock+0x170/0x170
[  227.040088] 0*16kB 
[  227.042266]  ? graph_lock+0x170/0x170
[  227.046518] 1*32kB (U) 
[  227.048769]  ? print_usage_bug+0xc0/0xc0
[  227.052550] 2*64kB 
[  227.055143]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.059188] (U) 
[  227.061432]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.066958] 1*128kB 
[  227.068942]  ? check_preemption_disabled+0x48/0x200
[  227.074455] (U) 
[  227.076778]  ? check_preemption_disabled+0x48/0x200
[  227.081770] 1*256kB 
[  227.083750]  ? __lock_is_held+0xb5/0x140
[  227.088741] (U) 
[  227.091064]  __alloc_pages_nodemask+0xa80/0xde0
[  227.095094] 0*512kB 1*1024kB 
[  227.097083]  ? graph_lock+0x170/0x170
[  227.101729] (U) 
[  227.104882]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  227.108666] 1*2048kB (M) 
[  227.110668]  ? graph_lock+0x170/0x170
[  227.115655] 3*4096kB (M) 
[  227.118429]  ? find_held_lock+0x36/0x1c0
[  227.122206] = 15908kB
[  227.124967]  ? ____cache_alloc_node+0x1c7/0x1e0
[  227.129000] Node 0 
[  227.131412]  ? lock_downgrade+0x900/0x900
[  227.136069] DMA32: 
[  227.138304]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.142431] 3*4kB 
[  227.144685]  cache_grow_begin+0x91/0x8c0
[  227.150198] (UM) 
[  227.152841]  ? do_raw_spin_unlock+0xa7/0x2f0
[  227.156883] 1*8kB 
[  227.158955]  fallback_alloc+0x203/0x2e0
[  227.163363] (U) 
[  227.165518]  ____cache_alloc_node+0x1c7/0x1e0
[  227.169472] 4*16kB (UM) 
[  227.171460]  kmem_cache_alloc_node+0xe3/0x730
[  227.175925] 2*32kB (UM) 
[  227.178608]  ? ipv6_get_ifaddr+0x42e/0x620
[  227.183075] 3*64kB (UM) 
[  227.185771]  __alloc_skb+0x119/0x770
[  227.189984] 4*128kB 
[  227.192655]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  227.196340] (UM) 
[  227.198662]  ? skb_scrub_packet+0x490/0x490
[  227.203921] 3*256kB 
[  227.205988]  ? lock_downgrade+0x900/0x900
[  227.210286] (UM) 
[  227.212615]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.216729] 4*512kB (UM) 
[  227.218804]  ? refcount_sub_and_test_checked+0x203/0x310
[  227.224315] 3*1024kB (M) 
[  227.227083]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  227.232505] 3*2048kB (UM) 
[  227.235272]  ? addrconf_rs_timer+0x6f0/0x6f0
[  227.240696] 3*4096kB (M) 
[  227.243559]  ndisc_alloc_skb+0x144/0x340
[  227.247935] = 25172kB
[  227.250690]  ndisc_send_rs+0x331/0x6e0
[  227.254728] Node 0 
[  227.257148]  addrconf_rs_timer+0x3c0/0x6f0
[  227.261014] Normal: 
[  227.263253]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  227.267464] 979*4kB 
[  227.269796]  call_timer_fn+0x272/0x920
[  227.273997] (ME) 
[  227.276322]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  227.280183] 483*8kB (UME) 
[  227.282271]  ? process_timeout+0x40/0x40
[  227.286477] 201*16kB (ME) 
[  227.289328]  ? find_held_lock+0x36/0x1c0
[  227.293369] 59*32kB 
[  227.296219]  ? __run_timers+0x7da/0xc70
[  227.300254] (UME) 
[  227.302579]  ? _raw_spin_unlock_irq+0x27/0x80
[  227.306522] 15*64kB (UM) 
[  227.308685]  ? _raw_spin_unlock_irq+0x27/0x80
[  227.313153] 0*128kB 0*256kB 
[  227.315919]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  227.320392] 0*512kB 
[  227.323420]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  227.327635] 0*1024kB 
[  227.329953]  ? trace_hardirqs_on+0xbd/0x310
[  227.334513] 0*2048kB 
[  227.336927]  ? kasan_check_read+0x11/0x20
[  227.341235] 0*4096kB 
[  227.343643]  ? __run_timers+0x7da/0xc70
[  227.347776] = 13844kB
[  227.350180]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  227.354139] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  227.356566]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  227.361999] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  227.370824]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  227.375038] 1697 total pagecache pages
[  227.383621]  __run_timers+0x7e5/0xc70
[  227.387851] 0 pages in swap cache
[  227.391742]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  227.395514] Swap cache stats: add 0, delete 0, find 0/0
[  227.395530] Free swap  = 0kB
[  227.398984]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  227.404324] Total swap = 0kB
[  227.409683]  ? rcu_bh_qs+0xc0/0xc0
[  227.412686] 1965979 pages RAM
[  227.417962]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.420955] 0 pages HighMem/MovableOnly
[  227.420964] 342744 pages reserved
[  227.424505]  ? check_preemption_disabled+0x48/0x200
[  227.427587] 0 pages cma reserved
[  227.433128]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  227.437169] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  227.440560]  ? retint_kernel+0x2d/0x2d
[  227.445616] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  227.448933]  ? trace_hardirqs_on_caller+0xc0/0x300
[  227.453664] ksoftirqd/0 cpuset=
[  227.460151]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  227.464011] /
[  227.474322]  ? trace_hardirqs_off_caller+0x300/0x300
[  227.479228]  mems_allowed=0
[  227.482508]  ? check_preemption_disabled+0x48/0x200
[  227.501996]  ? graph_lock+0x170/0x170
[  227.505807]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.511345]  ? check_preemption_disabled+0x48/0x200
[  227.516387]  ? __lock_is_held+0xb5/0x140
[  227.520452]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.526004]  ? check_preemption_disabled+0x48/0x200
[  227.531057]  run_timer_softirq+0x52/0xb0
[  227.535120]  ? rcu_read_lock_sched_held+0x108/0x120
[  227.540139]  __do_softirq+0x30b/0xad8
[  227.543950]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  227.549062]  ? pvclock_read_flags+0x160/0x160
[  227.553565]  ? lapic_next_event+0x5a/0x90
[  227.557716]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.563254]  ? check_preemption_disabled+0x48/0x200
[  227.568271]  ? check_preemption_disabled+0x48/0x200
[  227.573294]  ? kvm_clock_read+0x18/0x30
[  227.577295]  ? kvm_sched_clock_read+0x9/0x20
[  227.581706]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.587244]  ? check_preemption_disabled+0x48/0x200
[  227.592272]  irq_exit+0x17f/0x1c0
[  227.595730]  smp_apic_timer_interrupt+0x1cb/0x760
[  227.600573]  ? smp_reschedule_interrupt+0x109/0x650
[  227.605598]  ? smp_call_function_single_interrupt+0x650/0x650
[  227.611488]  ? interrupt_entry+0xb5/0xf0
[  227.615554]  ? trace_hardirqs_off_caller+0xbb/0x300
[  227.620573]  ? trace_hardirqs_off_caller+0xbb/0x300
[  227.625592]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  227.630440]  ? trace_hardirqs_off+0x300/0x300
[  227.634934]  ? trace_hardirqs_off+0x300/0x300
[  227.639441]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.644981]  ? check_preemption_disabled+0x48/0x200
[  227.649998]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.655544]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  227.660435]  apic_timer_interrupt+0xf/0x20
[  227.664695]  </IRQ>
[  227.666941] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  227.671874] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 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 9a 42
[  227.690783] RSP: 0018:ffff88019cfa7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  227.698492] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  227.705771] RDX: 0000000000000000 RSI: ffff88019d338900 RDI: 0000000000000282
[  227.713039] RBP: ffff88019cfa77b0 R08: ffff88019d338080 R09: 0000000000000000
[  227.720304] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  227.727588] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  227.734915]  skb_clone+0x1bb/0x500
[  227.738457]  ? finish_task_switch+0x2f5/0x900
[  227.742968]  ? skb_split+0x11e0/0x11e0
[  227.746859]  ? preempt_notifier_register+0x200/0x200
[  227.751962]  ? __switch_to_asm+0x34/0x70
[  227.756060]  ? __switch_to_asm+0x34/0x70
[  227.760117]  ? __switch_to_asm+0x40/0x70
[  227.764173]  ? __switch_to_asm+0x34/0x70
[  227.768230]  ? __switch_to_asm+0x40/0x70
[  227.772290]  ? __switch_to_asm+0x34/0x70
[  227.776349]  ? __switch_to_asm+0x40/0x70
[  227.780420]  ? __switch_to_asm+0x34/0x70
[  227.784486]  ? __switch_to_asm+0x34/0x70
[  227.788546]  ? __switch_to_asm+0x40/0x70
[  227.792606]  ? __switch_to_asm+0x34/0x70
[  227.796677]  bpf_clone_redirect+0xb9/0x490
[  227.800923]  ? __schedule+0x874/0x1ed0
[  227.804819]  bpf_prog_bebbfe2050753572+0x482/0x1000
[  227.809869]  ? __sched_text_start+0x8/0x8
[  227.814034]  ? find_held_lock+0x36/0x1c0
[  227.818105]  ? lock_acquire+0x1ed/0x520
[  227.822077]  ? bpf_test_run+0x32e/0x5a0
[  227.826065]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.831628]  ? check_preemption_disabled+0x48/0x200
[  227.836684]  ? kasan_check_read+0x11/0x20
[  227.840863]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  227.846156]  ? rcu_bh_qs+0xc0/0xc0
[  227.849704]  ? preempt_schedule+0x4d/0x60
[  227.853854]  ? ___preempt_schedule+0x16/0x18
[  227.858289]  ? bpf_test_run+0x1c0/0x5a0
[  227.862285]  ? netlink_diag_dump+0x2a0/0x2a0
[  227.866698]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  227.872238]  ? bpf_test_init.isra.9+0x70/0x100
[  227.876828]  ? bpf_prog_test_run_skb+0x634/0xb40
[  227.881592]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  227.886437]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  227.891976]  ? fput+0x130/0x1a0
[  227.895299]  ? __bpf_prog_get+0x9b/0x290
[  227.899363]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  227.904214]  ? bpf_prog_test_run+0x130/0x1a0
[  227.908666]  ? __x64_sys_bpf+0x3d8/0x510
[  227.912729]  ? bpf_prog_get+0x20/0x20
[  227.916541]  ? ksys_ioctl+0x81/0xd0
[  227.920180]  ? do_syscall_64+0x1b9/0x820
[  227.924259]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  227.929629]  ? syscall_return_slowpath+0x5e0/0x5e0
[  227.934559]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  227.939437]  ? trace_hardirqs_off+0x300/0x300
[  227.943940]  ? prepare_exit_to_usermode+0x291/0x3b0
[  227.949000]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  227.953854]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  227.959235] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
[  227.959328] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  227.965994] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  227.966003] Call Trace:
[  227.972596] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  227.981834]  dump_stack+0x1c4/0x2b4
[  227.984402] syz-executor1 cpuset=syz1
[  227.994887]  ? dump_stack_print_info.cold.2+0x52/0x52
[  227.998511]  mems_allowed=0
[  228.002314]  warn_alloc.cold.118+0xb7/0x1bd
[  228.014719]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  228.019568]  ? lock_downgrade+0x900/0x900
[  228.023726]  ? trace_hardirqs_off+0xb8/0x300
[  228.028139]  ? trace_hardirqs_off+0xb8/0x300
[  228.032588]  __alloc_pages_slowpath+0x2667/0x2d80
[  228.037481]  ? mark_held_locks+0x130/0x130
[  228.041720]  ? warn_alloc+0x120/0x120
[  228.045525]  ? warn_alloc+0x120/0x120
[  228.049324]  ? print_usage_bug+0xc0/0xc0
[  228.053384]  ? warn_alloc+0x120/0x120
[  228.057204]  ? print_usage_bug+0xc0/0xc0
[  228.061268]  ? __lock_acquire+0x7ec/0x4ec0
[  228.065503]  ? __lock_acquire+0x7ec/0x4ec0
[  228.069757]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  228.075298]  ? should_fail+0x22d/0xd01
[  228.079212]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  228.084313]  ? __lock_acquire+0x7ec/0x4ec0
[  228.088554]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  228.093653]  ? __lock_acquire+0x7ec/0x4ec0
[  228.097885]  ? should_fail+0x22d/0xd01
[  228.101790]  ? mark_held_locks+0x130/0x130
[  228.106031]  ? mark_held_locks+0x130/0x130
[  228.110264]  ? graph_lock+0x170/0x170
[  228.114074]  ? graph_lock+0x170/0x170
[  228.117878]  ? graph_lock+0x170/0x170
[  228.121679]  ? print_usage_bug+0xc0/0xc0
[  228.125757]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.131296]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.136837]  ? check_preemption_disabled+0x48/0x200
[  228.141862]  ? check_preemption_disabled+0x48/0x200
[  228.146886]  ? __lock_is_held+0xb5/0x140
[  228.150957]  __alloc_pages_nodemask+0xa80/0xde0
[  228.155628]  ? graph_lock+0x170/0x170
[  228.159435]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  228.164446]  ? graph_lock+0x170/0x170
[  228.168257]  ? find_held_lock+0x36/0x1c0
[  228.172331]  ? ____cache_alloc_node+0x1c7/0x1e0
[  228.177003]  ? lock_downgrade+0x900/0x900
[  228.181157]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.186709]  cache_grow_begin+0x91/0x8c0
[  228.190779]  ? do_raw_spin_unlock+0xa7/0x2f0
[  228.195224]  fallback_alloc+0x203/0x2e0
[  228.199207]  ____cache_alloc_node+0x1c7/0x1e0
[  228.203718]  kmem_cache_alloc_node+0xe3/0x730
[  228.208216]  ? ipv6_get_ifaddr+0x42e/0x620
[  228.212464]  __alloc_skb+0x119/0x770
[  228.216192]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  228.221490]  ? skb_scrub_packet+0x490/0x490
[  228.225814]  ? lock_downgrade+0x900/0x900
[  228.229971]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.235511]  ? refcount_sub_and_test_checked+0x203/0x310
[  228.240966]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  228.246428]  ? addrconf_rs_timer+0x6f0/0x6f0
[  228.250850]  ndisc_alloc_skb+0x144/0x340
[  228.254916]  ndisc_send_rs+0x331/0x6e0
[  228.258815]  addrconf_rs_timer+0x3c0/0x6f0
[  228.263059]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  228.267324]  call_timer_fn+0x272/0x920
[  228.271214]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  228.275449]  ? process_timeout+0x40/0x40
[  228.279509]  ? find_held_lock+0x36/0x1c0
[  228.283588]  ? __run_timers+0x7da/0xc70
[  228.287568]  ? _raw_spin_unlock_irq+0x27/0x80
[  228.292068]  ? _raw_spin_unlock_irq+0x27/0x80
[  228.296578]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  228.300810]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  228.305405]  ? trace_hardirqs_on+0xbd/0x310
[  228.309729]  ? kasan_check_read+0x11/0x20
[  228.313897]  ? __run_timers+0x7da/0xc70
[  228.317870]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  228.323338]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  228.327585]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  228.331856]  __run_timers+0x7e5/0xc70
[  228.335668]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  228.341033]  ? compat_start_thread+0x80/0x80
[  228.345450]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.350995]  ? kasan_check_write+0x14/0x20
[  228.355233]  ? finish_task_switch+0x2f5/0x900
[  228.359736]  ? __switch_to_asm+0x40/0x70
[  228.363801]  ? preempt_notifier_register+0x200/0x200
[  228.368911]  ? __switch_to_asm+0x34/0x70
[  228.372984]  ? __switch_to_asm+0x40/0x70
[  228.377044]  ? __switch_to_asm+0x34/0x70
[  228.381134]  ? __switch_to_asm+0x40/0x70
[  228.385202]  ? __switch_to_asm+0x34/0x70
[  228.389261]  ? __switch_to_asm+0x40/0x70
[  228.393333]  ? pvclock_read_flags+0x160/0x160
[  228.397850]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.403397]  ? check_preemption_disabled+0x48/0x200
[  228.408436]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  228.413985]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  228.419264]  ? rcu_pm_notify+0xc0/0xc0
[  228.423148]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.428688]  ? check_preemption_disabled+0x48/0x200
[  228.433716]  run_timer_softirq+0x52/0xb0
[  228.437788]  ? rcu_read_lock_sched_held+0x108/0x120
[  228.442806]  __do_softirq+0x30b/0xad8
[  228.446622]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  228.451740]  ? schedule+0x108/0x460
[  228.455395]  ? __schedule+0x1ed0/0x1ed0
[  228.459389]  ? trace_hardirqs_off+0xb8/0x300
[  228.463805]  ? ___might_sleep+0x1ed/0x300
[  228.467963]  ? smpboot_thread_fn+0x68b/0xa00
[  228.472379]  ? trace_hardirqs_on+0x310/0x310
[  228.476809]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  228.482350]  ? check_preemption_disabled+0x48/0x200
[  228.487380]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.492928]  ? takeover_tasklets+0xa90/0xa90
[  228.497343]  run_ksoftirqd+0x94/0x100
[  228.501160]  smpboot_thread_fn+0x68b/0xa00
[  228.505410]  ? sort_range+0x30/0x30
[  228.509037]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  228.514137]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  228.519704]  ? __kthread_parkme+0xfb/0x1a0
[  228.523946]  kthread+0x35a/0x420
[  228.527311]  ? sort_range+0x30/0x30
[  228.530937]  ? kthread_bind+0x40/0x40
[  228.534741]  ret_from_fork+0x3a/0x50
[  228.538479] CPU: 1 PID: 10110 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
[  228.538485] warn_alloc_show_mem: 1 callbacks suppressed
[  228.538492] Mem-Info:
[  228.545771] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  228.551151] active_anon:39159 inactive_anon:1633 isolated_anon:0
[  228.551151]  active_file:15 inactive_file:16 isolated_file:0
[  228.551151]  unevictable:0 dirty:0 writeback:0 unstable:0
[  228.551151]  slab_reclaimable:8773 slab_unreclaimable:1470459
[  228.551151]  mapped:49330 shmem:1666 pagetables:630 bounce:0
[  228.551151]  free:13723 free_pcp:275 free_cma:0
[  228.553531] Call Trace:
[  228.562922] Node 0 active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197320kB dirty:0kB writeback:0kB shmem:6664kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  228.595942]  <IRQ>
[  228.598515] Node 0 
[  228.626187]  dump_stack+0x1c4/0x2b4
[  228.628352] 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
[  228.630587]  ? dump_stack_print_info.cold.2+0x52/0x52
[  228.634194] lowmem_reserve[]:
[  228.659701]  warn_alloc.cold.118+0xb7/0x1bd
[  228.664862]  0
[  228.667973]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  228.672299]  2817 6321
[  228.674110]  ? lock_downgrade+0x900/0x900
[  228.678932]  6321
[  228.681458]  ? trace_hardirqs_off+0xb8/0x300
[  228.686076] Node 0 
[  228.688135]  ? trace_hardirqs_off+0xb8/0x300
[  228.692541] DMA32 free:25172kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  228.694761]  __alloc_pages_slowpath+0x2667/0x2d80
[  228.699144] lowmem_reserve[]:
[  228.725898]  ? warn_alloc+0x120/0x120
[  228.730697]  0
[  228.733801]  ? trace_hardirqs_on+0x310/0x310
[  228.737580]  0
[  228.739393]  ? warn_alloc+0x120/0x120
[  228.743785]  3503
[  228.745586]  ? print_usage_bug+0xc0/0xc0
[  228.749361]  3503
[  228.751418]  ? warn_alloc+0x120/0x120
[  228.751437]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  228.755479] Node 0 
[  228.757541]  ? print_usage_bug+0xc0/0xc0
[  228.761344] Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5408kB pagetables:2520kB bounce:0kB free_pcp:852kB local_pcp:604kB free_cma:0kB
[  228.766329]  ? __lock_acquire+0x7ec/0x4ec0
[  228.768560] lowmem_reserve[]:
[  228.772620]  ? __lock_acquire+0x7ec/0x4ec0
[  228.800966]  0
[  228.805197]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  228.808276]  0
[  228.812510]  ? should_fail+0x22d/0xd01
[  228.814287]  0
[  228.819817]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  228.821599]  0
[  228.825481]  ? __lock_acquire+0x7ec/0x4ec0
[  228.832359]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  228.834158] Node 0 
[  228.838394]  ? __lock_acquire+0x7ec/0x4ec0
[  228.843482] DMA: 
[  228.845716]  ? should_fail+0x22d/0xd01
[  228.849928] 1*4kB 
[  228.851987]  ? print_usage_bug+0xc0/0xc0
[  228.855850] (U) 
[  228.858004]  ? mark_held_locks+0x130/0x130
[  228.862040] 0*8kB 
[  228.864036]  ? mark_held_locks+0x130/0x130
[  228.868249] 0*16kB 
[  228.870402]  ? graph_lock+0x170/0x170
[  228.874619] 1*32kB 
[  228.876851]  ? print_usage_bug+0xc0/0xc0
[  228.880627] (U) 
[  228.882864]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  228.886910] 2*64kB (U) 
[  228.888950]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.893687] 1*128kB 
[  228.896291]  ? check_preemption_disabled+0x48/0x200
[  228.901802] (U) 
[  228.904126]  ? check_preemption_disabled+0x48/0x200
[  228.909120] 1*256kB 
[  228.911101]  ? __lock_is_held+0xb5/0x140
[  228.916091] (U) 
[  228.918422]  __alloc_pages_nodemask+0xa80/0xde0
[  228.922463] 0*512kB 
[  228.924461]  ? graph_lock+0x170/0x170
[  228.929109] 1*1024kB 
[  228.931430]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  228.935205] (U) 
[  228.937621]  ? graph_lock+0x170/0x170
[  228.942617] 1*2048kB 
[  228.944596]  ? find_held_lock+0x36/0x1c0
[  228.948368] (M) 
[  228.950785]  ? ____cache_alloc_node+0x1c7/0x1e0
[  228.954810] 3*4096kB (M) 
[  228.956788]  ? lock_downgrade+0x900/0x900
[  228.961429] = 15908kB
[  228.961438] Node 0 
[  228.964197]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.968310] DMA32: 3*4kB 
[  228.970728]  cache_grow_begin+0x91/0x8c0
[  228.972959] (UM) 
[  228.978517]  ? do_raw_spin_unlock+0xa7/0x2f0
[  228.981253] 1*8kB 
[  228.985337]  fallback_alloc+0x203/0x2e0
[  228.987393] (U) 
[  228.991802]  ____cache_alloc_node+0x1c7/0x1e0
[  228.993931] 4*16kB 
[  228.997898]  kmem_cache_alloc_node+0xe3/0x730
[  228.999854] (UM) 
[  229.004363]  ? ipv6_get_ifaddr+0x42e/0x620
[  229.006594] 2*32kB (UM) 
[  229.011128]  __alloc_skb+0x119/0x770
[  229.013160] 3*64kB (UM) 
[  229.017426]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  229.020066] 4*128kB (UM) 
[  229.023787]  ? skb_scrub_packet+0x490/0x490
[  229.026432] 3*256kB (UM) 
[  229.031713]  ? lock_downgrade+0x900/0x900
[  229.034449] 4*512kB (UM) 
[  229.038779]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.041510] 3*1024kB (M) 
[  229.045955]  ? refcount_sub_and_test_checked+0x203/0x310
[  229.048690] 3*2048kB (UM) 
[  229.054251]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  229.056983] 3*4096kB (M) 
[  229.062441]  ? addrconf_rs_timer+0x6f0/0x6f0
[  229.065277] = 25172kB
[  229.070727]  ndisc_alloc_skb+0x144/0x340
[  229.073455] Node 0 
[  229.077859]  ndisc_send_rs+0x331/0x6e0
[  229.080257] Normal: 
[  229.084324]  addrconf_rs_timer+0x3c0/0x6f0
[  229.086538] 979*4kB 
[  229.090425]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  229.092729] (ME) 
[  229.096972]  call_timer_fn+0x272/0x920
[  229.099264] 483*8kB 
[  229.103495]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  229.105535] (UME) 
[  229.109417]  ? process_timeout+0x40/0x40
[  229.109434]  ? find_held_lock+0x36/0x1c0
[  229.111740] 201*16kB 
[  229.115973]  ? __run_timers+0x7da/0xc70
[  229.118110] (ME) 
[  229.122180]  ? _raw_spin_unlock_irq+0x27/0x80
[  229.126245] 59*32kB (UME) 
[  229.128666]  ? _raw_spin_unlock_irq+0x27/0x80
[  229.132625] 15*64kB (UM) 
[  229.134696]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  229.139177] 0*128kB 0*256kB 
[  229.142031]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  229.146501] 0*512kB 0*1024kB 
[  229.149267]  ? trace_hardirqs_on+0xbd/0x310
[  229.153613] 0*2048kB 0*4096kB 
[  229.156645]  ? kasan_check_read+0x11/0x20
[  229.161193] = 13844kB
[  229.161208] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  229.164306]  ? __run_timers+0x7da/0xc70
[  229.168607] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  229.168616] 1697 total pagecache pages
[  229.171820]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  229.175950] 0 pages in swap cache
[  229.178350]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  229.187165] Swap cache stats: add 0, delete 0, find 0/0
[  229.191141]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  229.199692] Free swap  = 0kB
[  229.203587]  __run_timers+0x7e5/0xc70
[  229.209019] Total swap = 0kB
[  229.212478]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  229.216700] 1965979 pages RAM
[  229.222085]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  229.226313] 0 pages HighMem/MovableOnly
[  229.229342]  ? rcu_bh_qs+0xc0/0xc0
[  229.233137] 342744 pages reserved
[  229.233173] 0 pages cma reserved
[  229.236203]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.241625] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  229.244648]  ? check_preemption_disabled+0x48/0x200
[  229.250012] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  229.253909]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  229.257433] ksoftirqd/0 cpuset=
[  229.260885]  ? retint_kernel+0x2d/0x2d
[  229.264229] /
[  229.269762]  ? trace_hardirqs_on_caller+0xc0/0x300
[  229.276236]  mems_allowed=0
[  229.281248]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  229.317687]  ? trace_hardirqs_off_caller+0x300/0x300
[  229.322791]  ? check_preemption_disabled+0x48/0x200
[  229.327810]  ? graph_lock+0x170/0x170
[  229.331618]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.337159]  ? check_preemption_disabled+0x48/0x200
[  229.342183]  ? __lock_is_held+0xb5/0x140
[  229.346241]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.351781]  ? check_preemption_disabled+0x48/0x200
[  229.356805]  run_timer_softirq+0x52/0xb0
[  229.360866]  ? rcu_read_lock_sched_held+0x108/0x120
[  229.365887]  __do_softirq+0x30b/0xad8
[  229.369707]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  229.374819]  ? pvclock_read_flags+0x160/0x160
[  229.379310]  ? lapic_next_event+0x5a/0x90
[  229.383459]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.389024]  ? check_preemption_disabled+0x48/0x200
[  229.394043]  ? check_preemption_disabled+0x48/0x200
[  229.399065]  ? kvm_clock_read+0x18/0x30
[  229.403052]  ? kvm_sched_clock_read+0x9/0x20
[  229.407469]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.413007]  ? check_preemption_disabled+0x48/0x200
[  229.418038]  irq_exit+0x17f/0x1c0
[  229.421620]  smp_apic_timer_interrupt+0x1cb/0x760
[  229.426474]  ? smp_reschedule_interrupt+0x109/0x650
[  229.431493]  ? smp_call_function_single_interrupt+0x650/0x650
[  229.437384]  ? interrupt_entry+0xb5/0xf0
[  229.441450]  ? trace_hardirqs_off_caller+0xbb/0x300
[  229.446466]  ? trace_hardirqs_off_caller+0xbb/0x300
[  229.451496]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  229.456339]  ? trace_hardirqs_off+0x300/0x300
[  229.460837]  ? trace_hardirqs_off+0x300/0x300
[  229.465336]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.470873]  ? check_preemption_disabled+0x48/0x200
[  229.475893]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.481447]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  229.486298]  apic_timer_interrupt+0xf/0x20
[  229.490527]  </IRQ>
[  229.492768] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  229.497726] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 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 9a 42
[  229.516624] RSP: 0018:ffff88019cfa7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  229.524333] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  229.531601] RDX: 0000000000000000 RSI: ffff88019d338900 RDI: 0000000000000282
[  229.538867] RBP: ffff88019cfa77b0 R08: ffff88019d338080 R09: 0000000000000000
[  229.546134] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  229.553405] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  229.560710]  skb_clone+0x1bb/0x500
[  229.564255]  ? finish_task_switch+0x2f5/0x900
[  229.568752]  ? skb_split+0x11e0/0x11e0
[  229.572643]  ? preempt_notifier_register+0x200/0x200
[  229.577748]  ? __switch_to_asm+0x34/0x70
[  229.581806]  ? __switch_to_asm+0x34/0x70
[  229.585865]  ? __switch_to_asm+0x40/0x70
[  229.589928]  ? __switch_to_asm+0x34/0x70
[  229.593984]  ? __switch_to_asm+0x40/0x70
[  229.598041]  ? __switch_to_asm+0x34/0x70
[  229.602099]  ? __switch_to_asm+0x40/0x70
[  229.606155]  ? __switch_to_asm+0x34/0x70
[  229.610226]  ? __switch_to_asm+0x34/0x70
[  229.614299]  ? __switch_to_asm+0x40/0x70
[  229.618357]  ? __switch_to_asm+0x34/0x70
[  229.622447]  bpf_clone_redirect+0xb9/0x490
[  229.626680]  ? __schedule+0x874/0x1ed0
[  229.630572]  bpf_prog_bebbfe2050753572+0x482/0x1000
[  229.635595]  ? __sched_text_start+0x8/0x8
[  229.639757]  ? find_held_lock+0x36/0x1c0
[  229.643842]  ? lock_acquire+0x1ed/0x520
[  229.647816]  ? bpf_test_run+0x32e/0x5a0
[  229.651794]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.657333]  ? check_preemption_disabled+0x48/0x200
[  229.662361]  ? kasan_check_read+0x11/0x20
[  229.666530]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  229.671812]  ? rcu_bh_qs+0xc0/0xc0
[  229.675356]  ? preempt_schedule+0x4d/0x60
[  229.679515]  ? ___preempt_schedule+0x16/0x18
[  229.683935]  ? bpf_test_run+0x1c0/0x5a0
[  229.687926]  ? netlink_diag_dump+0x2a0/0x2a0
[  229.692340]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  229.697883]  ? bpf_test_init.isra.9+0x70/0x100
[  229.702475]  ? bpf_prog_test_run_skb+0x634/0xb40
[  229.707259]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  229.712098]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  229.717633]  ? fput+0x130/0x1a0
[  229.720920]  ? __bpf_prog_get+0x9b/0x290
[  229.724986]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  229.729843]  ? bpf_prog_test_run+0x130/0x1a0
[  229.734260]  ? __x64_sys_bpf+0x3d8/0x510
[  229.738325]  ? bpf_prog_get+0x20/0x20
[  229.742153]  ? ksys_ioctl+0x81/0xd0
[  229.745799]  ? do_syscall_64+0x1b9/0x820
[  229.749874]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  229.755266]  ? syscall_return_slowpath+0x5e0/0x5e0
[  229.760192]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  229.765034]  ? trace_hardirqs_off+0x300/0x300
[  229.769537]  ? prepare_exit_to_usermode+0x291/0x3b0
[  229.774590]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  229.779445]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  229.784835] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
[  229.784934] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  229.791598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  229.791604] Call Trace:
[  229.791622]  dump_stack+0x1c4/0x2b4
[  229.791639]  ? dump_stack_print_info.cold.2+0x52/0x52
[  229.791666]  warn_alloc.cold.118+0xb7/0x1bd
[  229.798226] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  229.807500]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  229.810069] syz-executor1 cpuset=
[  229.813693]  ? lock_downgrade+0x900/0x900
[  229.818861] syz1
[  229.823179]  ? trace_hardirqs_off+0xb8/0x300
[  229.833652]  mems_allowed=0
[  229.838503]  ? trace_hardirqs_off+0xb8/0x300
[  229.859746]  __alloc_pages_slowpath+0x2667/0x2d80
[  229.864607]  ? mark_held_locks+0x130/0x130
[  229.868854]  ? warn_alloc+0x120/0x120
[  229.872665]  ? warn_alloc+0x120/0x120
[  229.876468]  ? print_usage_bug+0xc0/0xc0
[  229.880529]  ? warn_alloc+0x120/0x120
[  229.884332]  ? print_usage_bug+0xc0/0xc0
[  229.888398]  ? __lock_acquire+0x7ec/0x4ec0
[  229.892642]  ? __lock_acquire+0x7ec/0x4ec0
[  229.896885]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  229.902427]  ? should_fail+0x22d/0xd01
[  229.906321]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  229.911441]  ? __lock_acquire+0x7ec/0x4ec0
[  229.915711]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  229.920811]  ? __lock_acquire+0x7ec/0x4ec0
[  229.925060]  ? should_fail+0x22d/0xd01
[  229.928949]  ? print_usage_bug+0xc0/0xc0
[  229.933021]  ? mark_held_locks+0x130/0x130
[  229.937266]  ? mark_held_locks+0x130/0x130
[  229.941511]  ? graph_lock+0x170/0x170
[  229.945313]  ? print_usage_bug+0xc0/0xc0
[  229.949420]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  229.954181]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.959720]  ? check_preemption_disabled+0x48/0x200
[  229.964740]  ? check_preemption_disabled+0x48/0x200
[  229.969767]  ? __lock_is_held+0xb5/0x140
[  229.973852]  __alloc_pages_nodemask+0xa80/0xde0
[  229.978523]  ? graph_lock+0x170/0x170
[  229.982329]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  229.987344]  ? graph_lock+0x170/0x170
[  229.991158]  ? find_held_lock+0x36/0x1c0
[  229.995244]  ? ____cache_alloc_node+0x1c7/0x1e0
[  229.999947]  ? lock_downgrade+0x900/0x900
[  230.004102]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.009657]  cache_grow_begin+0x91/0x8c0
[  230.013715]  ? do_raw_spin_unlock+0xa7/0x2f0
[  230.018148]  fallback_alloc+0x203/0x2e0
[  230.022129]  ____cache_alloc_node+0x1c7/0x1e0
[  230.026632]  kmem_cache_alloc_node+0xe3/0x730
[  230.031157]  ? ipv6_get_ifaddr+0x42e/0x620
[  230.035413]  __alloc_skb+0x119/0x770
[  230.039133]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  230.044898]  ? skb_scrub_packet+0x490/0x490
[  230.049222]  ? lock_downgrade+0x900/0x900
[  230.053397]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.058983]  ? refcount_sub_and_test_checked+0x203/0x310
[  230.064472]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  230.069928]  ? addrconf_rs_timer+0x6f0/0x6f0
[  230.074350]  ndisc_alloc_skb+0x144/0x340
[  230.078453]  ndisc_send_rs+0x331/0x6e0
[  230.082346]  addrconf_rs_timer+0x3c0/0x6f0
[  230.086596]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  230.090849]  call_timer_fn+0x272/0x920
[  230.094755]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  230.098993]  ? process_timeout+0x40/0x40
[  230.103052]  ? find_held_lock+0x36/0x1c0
[  230.107138]  ? __run_timers+0x7da/0xc70
[  230.111118]  ? _raw_spin_unlock_irq+0x27/0x80
[  230.115611]  ? _raw_spin_unlock_irq+0x27/0x80
[  230.120104]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  230.124339]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  230.128921]  ? trace_hardirqs_on+0xbd/0x310
[  230.133249]  ? kasan_check_read+0x11/0x20
[  230.137429]  ? __run_timers+0x7da/0xc70
[  230.141437]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  230.146897]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  230.151148]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  230.155389]  __run_timers+0x7e5/0xc70
[  230.159203]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  230.164563]  ? compat_start_thread+0x80/0x80
[  230.168974]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.174519]  ? kasan_check_write+0x14/0x20
[  230.178758]  ? finish_task_switch+0x2f5/0x900
[  230.183252]  ? __switch_to_asm+0x40/0x70
[  230.187325]  ? preempt_notifier_register+0x200/0x200
[  230.192431]  ? __switch_to_asm+0x34/0x70
[  230.196490]  ? __switch_to_asm+0x40/0x70
[  230.200555]  ? __switch_to_asm+0x34/0x70
[  230.204614]  ? __switch_to_asm+0x40/0x70
[  230.208677]  ? __switch_to_asm+0x34/0x70
[  230.212751]  ? __switch_to_asm+0x40/0x70
[  230.216825]  ? pvclock_read_flags+0x160/0x160
[  230.221335]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.226873]  ? check_preemption_disabled+0x48/0x200
[  230.231914]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  230.237485]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  230.242767]  ? rcu_pm_notify+0xc0/0xc0
[  230.246654]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.252193]  ? check_preemption_disabled+0x48/0x200
[  230.257216]  run_timer_softirq+0x52/0xb0
[  230.261276]  ? rcu_read_lock_sched_held+0x108/0x120
[  230.266297]  __do_softirq+0x30b/0xad8
[  230.270114]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  230.275230]  ? schedule+0x108/0x460
[  230.278862]  ? __schedule+0x1ed0/0x1ed0
[  230.282854]  ? trace_hardirqs_off+0xb8/0x300
[  230.287273]  ? ___might_sleep+0x1ed/0x300
[  230.291421]  ? smpboot_thread_fn+0x68b/0xa00
[  230.295846]  ? trace_hardirqs_on+0x310/0x310
[  230.300284]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  230.305825]  ? check_preemption_disabled+0x48/0x200
[  230.310840]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.316389]  ? takeover_tasklets+0xa90/0xa90
[  230.320820]  run_ksoftirqd+0x94/0x100
[  230.324619]  smpboot_thread_fn+0x68b/0xa00
[  230.328868]  ? sort_range+0x30/0x30
[  230.332495]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  230.337599]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  230.343138]  ? __kthread_parkme+0xfb/0x1a0
[  230.347385]  kthread+0x35a/0x420
[  230.350755]  ? sort_range+0x30/0x30
[  230.354481]  ? kthread_bind+0x40/0x40
[  230.358283]  ret_from_fork+0x3a/0x50
[  230.362016] CPU: 1 PID: 10110 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
[  230.362022] warn_alloc_show_mem: 1 callbacks suppressed
[  230.362029] Mem-Info:
[  230.369317] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  230.374698] active_anon:39159 inactive_anon:1633 isolated_anon:0
[  230.374698]  active_file:15 inactive_file:16 isolated_file:0
[  230.374698]  unevictable:0 dirty:0 writeback:0 unstable:0
[  230.374698]  slab_reclaimable:8773 slab_unreclaimable:1470459
[  230.374698]  mapped:49330 shmem:1666 pagetables:630 bounce:0
[  230.374698]  free:13723 free_pcp:275 free_cma:0
[  230.377080] Call Trace:
[  230.386472] Node 0 active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197320kB dirty:0kB writeback:0kB shmem:6664kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  230.419504]  <IRQ>
[  230.422081] Node 0 
[  230.449754]  dump_stack+0x1c4/0x2b4
[  230.451905] 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
[  230.454129]  ? dump_stack_print_info.cold.2+0x52/0x52
[  230.457759] lowmem_reserve[]:
[  230.483273]  warn_alloc.cold.118+0xb7/0x1bd
[  230.488442]  0
[  230.491544]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  230.495858]  2817
[  230.497661]  ? lock_downgrade+0x900/0x900
[  230.502478]  6321 6321
[  230.504558]  ? trace_hardirqs_off+0xb8/0x300
[  230.511177]  ? trace_hardirqs_off+0xb8/0x300
[  230.515565] Node 0 DMA32 free:25172kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  230.519997]  __alloc_pages_slowpath+0x2667/0x2d80
[  230.520051]  ? warn_alloc+0x120/0x120
[  230.547319] lowmem_reserve[]:
[  230.552172]  ? trace_hardirqs_on+0x310/0x310
[  230.555950]  0
[  230.559050]  ? warn_alloc+0x120/0x120
[  230.563436]  0
[  230.565249]  ? print_usage_bug+0xc0/0xc0
[  230.569030]  3503
[  230.570828]  ? warn_alloc+0x120/0x120
[  230.574864]  3503
[  230.576965]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  230.582805]  ? print_usage_bug+0xc0/0xc0
[  230.587845] Node 0 Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5408kB pagetables:2520kB bounce:0kB free_pcp:852kB local_pcp:604kB free_cma:0kB
[  230.591927]  ? __lock_acquire+0x7ec/0x4ec0
[  230.591944]  ? __lock_acquire+0x7ec/0x4ec0
[  230.620899] lowmem_reserve[]:
[  230.625136]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  230.629344]  0
[  230.632453]  ? should_fail+0x22d/0xd01
[  230.637963]  0
[  230.639794]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  230.643657]  0
[  230.645460]  ? __lock_acquire+0x7ec/0x4ec0
[  230.650534]  0
[  230.652348]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  230.656563] Node 0 
[  230.658364]  ? __lock_acquire+0x7ec/0x4ec0
[  230.663455] DMA: 
[  230.665688]  ? should_fail+0x22d/0xd01
[  230.669902] 1*4kB 
[  230.671967]  ? print_usage_bug+0xc0/0xc0
[  230.675834] (U) 
[  230.677985]  ? mark_held_locks+0x130/0x130
[  230.682038] 0*8kB 
[  230.684011]  ? mark_held_locks+0x130/0x130
[  230.688226] 0*16kB 
[  230.690378]  ? graph_lock+0x170/0x170
[  230.694590] 1*32kB (U) 
[  230.696834]  ? print_usage_bug+0xc0/0xc0
[  230.700616] 2*64kB 
[  230.703196]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  230.707230] (U) 
[  230.709467]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.714198] 1*128kB 
[  230.716176]  ? check_preemption_disabled+0x48/0x200
[  230.721688] (U) 
[  230.724012]  ? check_preemption_disabled+0x48/0x200
[  230.729006] 1*256kB 
[  230.730984]  ? __lock_is_held+0xb5/0x140
[  230.735971] (U) 
[  230.738297]  __alloc_pages_nodemask+0xa80/0xde0
[  230.742332] 0*512kB 
[  230.744305]  ? graph_lock+0x170/0x170
[  230.748951] 1*1024kB 
[  230.751277]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  230.755050] (U) 
[  230.757460]  ? graph_lock+0x170/0x170
[  230.762447] 1*2048kB (M) 
[  230.764448]  ? find_held_lock+0x36/0x1c0
[  230.768231] 3*4096kB (M) 
[  230.771016]  ? ____cache_alloc_node+0x1c7/0x1e0
[  230.775050] = 15908kB
[  230.777805]  ? lock_downgrade+0x900/0x900
[  230.782451] Node 0 
[  230.784861]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.788977] DMA32: 3*4kB 
[  230.791241]  cache_grow_begin+0x91/0x8c0
[  230.796761] (UM) 
[  230.799516]  ? do_raw_spin_unlock+0xa7/0x2f0
[  230.803555] 1*8kB 
[  230.805618]  fallback_alloc+0x203/0x2e0
[  230.809996] (U) 
[  230.812147]  ____cache_alloc_node+0x1c7/0x1e0
[  230.816106] 4*16kB (UM) 
[  230.818117]  kmem_cache_alloc_node+0xe3/0x730
[  230.822584] 2*32kB (UM) 
[  230.825264]  ? ipv6_get_ifaddr+0x42e/0x620
[  230.829737] 3*64kB 
[  230.832413]  __alloc_skb+0x119/0x770
[  230.836623] (UM) 
[  230.838861]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  230.842552] 4*128kB 
[  230.844610]  ? skb_scrub_packet+0x490/0x490
[  230.849866] (UM) 
[  230.852185]  ? lock_downgrade+0x900/0x900
[  230.856481] 3*256kB (UM) 
[  230.858554]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.862677] 4*512kB 
[  230.865446]  ? refcount_sub_and_test_checked+0x203/0x310
[  230.870952] (UM) 3*1024kB 
[  230.873284]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  230.878712] (M) 
[  230.881559]  ? addrconf_rs_timer+0x6f0/0x6f0
[  230.886986] 3*2048kB 
[  230.888978]  ndisc_alloc_skb+0x144/0x340
[  230.893364] (UM) 
[  230.895775]  ndisc_send_rs+0x331/0x6e0
[  230.899817] 3*4096kB 
[  230.901879]  addrconf_rs_timer+0x3c0/0x6f0
[  230.905743] (M) 
[  230.908158]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  230.912362] = 25172kB
[  230.912371] Node 0 
[  230.914353]  call_timer_fn+0x272/0x920
[  230.918554] Normal: 
[  230.920960]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  230.923173] 979*4kB 
[  230.927053]  ? process_timeout+0x40/0x40
[  230.929356] (ME) 
[  230.933588]  ? find_held_lock+0x36/0x1c0
[  230.935893] 483*8kB 
[  230.939956]  ? __run_timers+0x7da/0xc70
[  230.942003] (UME) 
[  230.946062]  ? _raw_spin_unlock_irq+0x27/0x80
[  230.948366] 201*16kB (ME) 
[  230.952344]  ? _raw_spin_unlock_irq+0x27/0x80
[  230.954469] 59*32kB (UME) 
[  230.958969]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  230.961794] 15*64kB 
[  230.966283]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  230.969105] (UM) 
[  230.973338]  ? trace_hardirqs_on+0xbd/0x310
[  230.975661] 0*128kB 
[  230.980240]  ? kasan_check_read+0x11/0x20
[  230.982277] 0*256kB 
[  230.986593]  ? __run_timers+0x7da/0xc70
[  230.988905] 0*512kB 0*1024kB 
[  230.993074]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  230.995381] 0*2048kB 
[  230.999343]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  231.002438] 0*4096kB = 13844kB
[  231.007897]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  231.010313] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  231.014543]  __run_timers+0x7e5/0xc70
[  231.017718] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  231.021947]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  231.030751] 1697 total pagecache pages
[  231.034551]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  231.043108] 0 pages in swap cache
[  231.048688]  ? rcu_bh_qs+0xc0/0xc0
[  231.052573] Swap cache stats: add 0, delete 0, find 0/0
[  231.057843]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.061273] Free swap  = 0kB
[  231.064812]  ? check_preemption_disabled+0x48/0x200
[  231.070150] Total swap = 0kB
[  231.075703]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  231.078731] 1965979 pages RAM
[  231.083758]  ? retint_kernel+0x2d/0x2d
[  231.086747] 0 pages HighMem/MovableOnly
[  231.086756] 342744 pages reserved
[  231.091511]  ? trace_hardirqs_on_caller+0xc0/0x300
[  231.094596] 0 pages cma reserved
[  231.098482]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  231.102525] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  231.105898]  ? trace_hardirqs_off_caller+0x300/0x300
[  231.110906] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  231.114174]  ? check_preemption_disabled+0x48/0x200
[  231.118921] ksoftirqd/0 cpuset=
[  231.125408]  ? graph_lock+0x170/0x170
[  231.130493] /
[  231.140803]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.145797]  mems_allowed=0
[  231.149070]  ? check_preemption_disabled+0x48/0x200
[  231.168204]  ? __lock_is_held+0xb5/0x140
[  231.172272]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.177823]  ? check_preemption_disabled+0x48/0x200
[  231.182851]  run_timer_softirq+0x52/0xb0
[  231.186921]  ? rcu_read_lock_sched_held+0x108/0x120
[  231.191946]  __do_softirq+0x30b/0xad8
[  231.195758]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  231.200865]  ? pvclock_read_flags+0x160/0x160
[  231.205382]  ? lapic_next_event+0x5a/0x90
[  231.209533]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.215083]  ? check_preemption_disabled+0x48/0x200
[  231.220107]  ? check_preemption_disabled+0x48/0x200
[  231.225139]  ? kvm_clock_read+0x18/0x30
[  231.229152]  ? kvm_sched_clock_read+0x9/0x20
[  231.233563]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.239115]  ? check_preemption_disabled+0x48/0x200
[  231.244145]  irq_exit+0x17f/0x1c0
[  231.247604]  smp_apic_timer_interrupt+0x1cb/0x760
[  231.252447]  ? smp_reschedule_interrupt+0x109/0x650
[  231.257491]  ? smp_call_function_single_interrupt+0x650/0x650
[  231.263387]  ? interrupt_entry+0xb5/0xf0
[  231.267460]  ? trace_hardirqs_off_caller+0xbb/0x300
[  231.272476]  ? trace_hardirqs_off_caller+0xbb/0x300
[  231.277506]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  231.282351]  ? trace_hardirqs_off+0x300/0x300
[  231.286870]  ? trace_hardirqs_off+0x300/0x300
[  231.291359]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.296899]  ? check_preemption_disabled+0x48/0x200
[  231.301921]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.307463]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  231.312330]  apic_timer_interrupt+0xf/0x20
[  231.316563]  </IRQ>
[  231.318803] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  231.323731] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 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 9a 42
[  231.342628] RSP: 0018:ffff88019cfa7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  231.350344] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  231.357638] RDX: 0000000000000000 RSI: ffff88019d338900 RDI: 0000000000000282
[  231.364913] RBP: ffff88019cfa77b0 R08: ffff88019d338080 R09: 0000000000000000
[  231.372190] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  231.379467] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  231.386797]  skb_clone+0x1bb/0x500
[  231.390339]  ? finish_task_switch+0x2f5/0x900
[  231.394848]  ? skb_split+0x11e0/0x11e0
[  231.398738]  ? preempt_notifier_register+0x200/0x200
[  231.403850]  ? __switch_to_asm+0x34/0x70
[  231.407915]  ? __switch_to_asm+0x34/0x70
[  231.411985]  ? __switch_to_asm+0x40/0x70
[  231.416047]  ? __switch_to_asm+0x34/0x70
[  231.420113]  ? __switch_to_asm+0x40/0x70
[  231.424176]  ? __switch_to_asm+0x34/0x70
[  231.428234]  ? __switch_to_asm+0x40/0x70
[  231.432293]  ? __switch_to_asm+0x34/0x70
[  231.436352]  ? __switch_to_asm+0x34/0x70
[  231.440425]  ? __switch_to_asm+0x40/0x70
[  231.444487]  ? __switch_to_asm+0x34/0x70
[  231.448583]  bpf_clone_redirect+0xb9/0x490
[  231.452823]  ? __schedule+0x874/0x1ed0
[  231.456718]  bpf_prog_bebbfe2050753572+0x482/0x1000
[  231.461741]  ? __sched_text_start+0x8/0x8
[  231.465916]  ? find_held_lock+0x36/0x1c0
[  231.469985]  ? lock_acquire+0x1ed/0x520
[  231.473959]  ? bpf_test_run+0x32e/0x5a0
[  231.477938]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.483480]  ? check_preemption_disabled+0x48/0x200
[  231.488514]  ? kasan_check_read+0x11/0x20
[  231.492696]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  231.497973]  ? rcu_bh_qs+0xc0/0xc0
[  231.501527]  ? preempt_schedule+0x4d/0x60
[  231.505680]  ? ___preempt_schedule+0x16/0x18
[  231.510098]  ? bpf_test_run+0x1c0/0x5a0
[  231.514084]  ? netlink_diag_dump+0x2a0/0x2a0
[  231.518499]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  231.524034]  ? bpf_test_init.isra.9+0x70/0x100
[  231.528620]  ? bpf_prog_test_run_skb+0x634/0xb40
[  231.533393]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  231.538235]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  231.543772]  ? fput+0x130/0x1a0
[  231.547058]  ? __bpf_prog_get+0x9b/0x290
[  231.551124]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  231.555967]  ? bpf_prog_test_run+0x130/0x1a0
[  231.560388]  ? __x64_sys_bpf+0x3d8/0x510
[  231.564468]  ? bpf_prog_get+0x20/0x20
[  231.568300]  ? ksys_ioctl+0x81/0xd0
[  231.571941]  ? do_syscall_64+0x1b9/0x820
[  231.576006]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  231.581382]  ? syscall_return_slowpath+0x5e0/0x5e0
[  231.586313]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  231.591163]  ? trace_hardirqs_off+0x300/0x300
[  231.595668]  ? prepare_exit_to_usermode+0x291/0x3b0
[  231.600696]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  231.605553]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  231.610941] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
[  231.611032] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  231.617704] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  231.617710] Call Trace:
[  231.617729]  dump_stack+0x1c4/0x2b4
[  231.617746]  ? dump_stack_print_info.cold.2+0x52/0x52
[  231.617773]  warn_alloc.cold.118+0xb7/0x1bd
[  231.624306] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  231.633594]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  231.636157] syz-executor1 cpuset=
[  231.639782]  ? lock_downgrade+0x900/0x900
[  231.644948] syz1
[  231.649273]  ? trace_hardirqs_off+0xb8/0x300
[  231.659736]  mems_allowed=0
[  231.664576]  ? trace_hardirqs_off+0xb8/0x300
[  231.685834]  __alloc_pages_slowpath+0x2667/0x2d80
[  231.690703]  ? mark_held_locks+0x130/0x130
[  231.694962]  ? warn_alloc+0x120/0x120
[  231.698768]  ? warn_alloc+0x120/0x120
[  231.702575]  ? print_usage_bug+0xc0/0xc0
[  231.706645]  ? warn_alloc+0x120/0x120
[  231.710447]  ? print_usage_bug+0xc0/0xc0
[  231.714526]  ? __lock_acquire+0x7ec/0x4ec0
[  231.718772]  ? __lock_acquire+0x7ec/0x4ec0
[  231.723014]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  231.728552]  ? should_fail+0x22d/0xd01
[  231.732469]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  231.737588]  ? __lock_acquire+0x7ec/0x4ec0
[  231.741831]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  231.746943]  ? __lock_acquire+0x7ec/0x4ec0
[  231.751177]  ? should_fail+0x22d/0xd01
[  231.755061]  ? print_usage_bug+0xc0/0xc0
[  231.759132]  ? mark_held_locks+0x130/0x130
[  231.763374]  ? mark_held_locks+0x130/0x130
[  231.767621]  ? graph_lock+0x170/0x170
[  231.771430]  ? print_usage_bug+0xc0/0xc0
[  231.775508]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  231.780269]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.785830]  ? check_preemption_disabled+0x48/0x200
[  231.790874]  ? check_preemption_disabled+0x48/0x200
[  231.795912]  ? __lock_is_held+0xb5/0x140
[  231.800008]  __alloc_pages_nodemask+0xa80/0xde0
[  231.804677]  ? graph_lock+0x170/0x170
[  231.808504]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  231.813537]  ? graph_lock+0x170/0x170
[  231.817361]  ? find_held_lock+0x36/0x1c0
[  231.821437]  ? ____cache_alloc_node+0x1c7/0x1e0
[  231.826110]  ? lock_downgrade+0x900/0x900
[  231.830281]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.835841]  cache_grow_begin+0x91/0x8c0
[  231.839909]  ? do_raw_spin_unlock+0xa7/0x2f0
[  231.844346]  fallback_alloc+0x203/0x2e0
[  231.848325]  ____cache_alloc_node+0x1c7/0x1e0
[  231.852834]  kmem_cache_alloc_node+0xe3/0x730
[  231.857337]  ? ipv6_get_ifaddr+0x42e/0x620
[  231.861584]  __alloc_skb+0x119/0x770
[  231.865303]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  231.870609]  ? skb_scrub_packet+0x490/0x490
[  231.874930]  ? lock_downgrade+0x900/0x900
[  231.879085]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.884627]  ? refcount_sub_and_test_checked+0x203/0x310
[  231.890097]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  231.895553]  ? addrconf_rs_timer+0x6f0/0x6f0
[  231.899975]  ndisc_alloc_skb+0x144/0x340
[  231.904059]  ndisc_send_rs+0x331/0x6e0
[  231.907958]  addrconf_rs_timer+0x3c0/0x6f0
[  231.912215]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  231.916478]  call_timer_fn+0x272/0x920
[  231.920367]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  231.924614]  ? process_timeout+0x40/0x40
[  231.928673]  ? find_held_lock+0x36/0x1c0
[  231.932744]  ? __run_timers+0x7da/0xc70
[  231.936722]  ? _raw_spin_unlock_irq+0x27/0x80
[  231.941228]  ? _raw_spin_unlock_irq+0x27/0x80
[  231.945721]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  231.949956]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  231.954540]  ? trace_hardirqs_on+0xbd/0x310
[  231.958863]  ? kasan_check_read+0x11/0x20
[  231.963013]  ? __run_timers+0x7da/0xc70
[  231.967010]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  231.972472]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  231.976728]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  231.980963]  __run_timers+0x7e5/0xc70
[  231.984789]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  231.990214]  ? compat_start_thread+0x80/0x80
[  231.994636]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.000231]  ? kasan_check_write+0x14/0x20
[  232.004483]  ? finish_task_switch+0x2f5/0x900
[  232.009005]  ? __switch_to_asm+0x40/0x70
[  232.013070]  ? preempt_notifier_register+0x200/0x200
[  232.018180]  ? __switch_to_asm+0x34/0x70
[  232.022253]  ? __switch_to_asm+0x40/0x70
[  232.026316]  ? __switch_to_asm+0x34/0x70
[  232.030378]  ? __switch_to_asm+0x40/0x70
[  232.034440]  ? __switch_to_asm+0x34/0x70
[  232.038504]  ? __switch_to_asm+0x40/0x70
[  232.042580]  ? pvclock_read_flags+0x160/0x160
[  232.047079]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.052632]  ? check_preemption_disabled+0x48/0x200
[  232.057662]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  232.063197]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  232.068477]  ? rcu_pm_notify+0xc0/0xc0
[  232.072366]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.077915]  ? check_preemption_disabled+0x48/0x200
[  232.082942]  run_timer_softirq+0x52/0xb0
[  232.087000]  ? rcu_read_lock_sched_held+0x108/0x120
[  232.092018]  __do_softirq+0x30b/0xad8
[  232.095832]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  232.100944]  ? schedule+0x108/0x460
[  232.104578]  ? __schedule+0x1ed0/0x1ed0
[  232.108560]  ? trace_hardirqs_off+0xb8/0x300
[  232.112970]  ? ___might_sleep+0x1ed/0x300
[  232.117117]  ? smpboot_thread_fn+0x68b/0xa00
[  232.121525]  ? trace_hardirqs_on+0x310/0x310
[  232.125945]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  232.131484]  ? check_preemption_disabled+0x48/0x200
[  232.136501]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.142042]  ? takeover_tasklets+0xa90/0xa90
[  232.146452]  run_ksoftirqd+0x94/0x100
[  232.150251]  smpboot_thread_fn+0x68b/0xa00
[  232.154492]  ? sort_range+0x30/0x30
[  232.158123]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  232.163248]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  232.168790]  ? __kthread_parkme+0xfb/0x1a0
[  232.173031]  kthread+0x35a/0x420
[  232.176396]  ? sort_range+0x30/0x30
[  232.180027]  ? kthread_bind+0x40/0x40
[  232.183873]  ret_from_fork+0x3a/0x50
[  232.187614] warn_alloc_show_mem: 1 callbacks suppressed
[  232.187627] CPU: 1 PID: 10110 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
[  232.187629] Mem-Info:
[  232.187660] active_anon:39159 inactive_anon:1633 isolated_anon:0
[  232.187660]  active_file:15 inactive_file:16 isolated_file:0
[  232.187660]  unevictable:0 dirty:0 writeback:0 unstable:0
[  232.187660]  slab_reclaimable:8773 slab_unreclaimable:1470459
[  232.187660]  mapped:49330 shmem:1666 pagetables:630 bounce:0
[  232.187660]  free:13723 free_pcp:275 free_cma:0
[  232.193010] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  232.200332] Node 0 active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197320kB dirty:0kB writeback:0kB shmem:6664kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  232.202744] Call Trace:
[  232.235787] Node 0 
[  232.245135]  <IRQ>
[  232.272816] 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
[  232.275386]  dump_stack+0x1c4/0x2b4
[  232.277586] lowmem_reserve[]:
[  232.279737]  ? dump_stack_print_info.cold.2+0x52/0x52
[  232.305216]  0
[  232.308851]  warn_alloc.cold.118+0xb7/0x1bd
[  232.311922]  2817
[  232.317109]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  232.318889]  6321
[  232.323213]  ? lock_downgrade+0x900/0x900
[  232.325251]  6321
[  232.330093]  ? trace_hardirqs_off+0xb8/0x300
[  232.336287]  ? trace_hardirqs_off+0xb8/0x300
[  232.338327] Node 0 
[  232.342735]  __alloc_pages_slowpath+0x2667/0x2d80
[  232.347150] DMA32 free:25172kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  232.349391]  ? warn_alloc+0x120/0x120
[  232.354173] lowmem_reserve[]: 0
[  232.380913]  ? warn_alloc+0x120/0x120
[  232.384705]  0
[  232.387985]  ? print_usage_bug+0xc0/0xc0
[  232.391777]  3503 3503
[  232.393591]  ? warn_alloc+0x120/0x120
[  232.400129]  ? print_usage_bug+0xc0/0xc0
[  232.403923] Node 0 Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5408kB pagetables:2520kB bounce:0kB free_pcp:852kB local_pcp:604kB free_cma:0kB
[  232.408010]  ? __lock_acquire+0x7ec/0x4ec0
[  232.408027]  ? __lock_acquire+0x7ec/0x4ec0
[  232.436976] lowmem_reserve[]: 0
[  232.441241]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  232.445450]  0
[  232.448728]  ? should_fail+0x22d/0xd01
[  232.454255]  0
[  232.456060]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  232.459924]  0
[  232.461736]  ? __lock_acquire+0x7ec/0x4ec0
[  232.468615]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  232.472828] Node 0 
[  232.477924]  ? __lock_acquire+0x7ec/0x4ec0
[  232.477934] DMA: 
[  232.480169]  ? should_fail+0x22d/0xd01
[  232.484414] 1*4kB 
[  232.486474]  ? mark_held_locks+0x130/0x130
[  232.490334] (U) 
[  232.492481]  ? mark_held_locks+0x130/0x130
[  232.496693] 0*8kB 
[  232.498669]  ? graph_lock+0x170/0x170
[  232.502911] 0*16kB 1*32kB 
[  232.505067]  ? graph_lock+0x170/0x170
[  232.508845] (U) 
[  232.511686]  ? graph_lock+0x170/0x170
[  232.515486] 2*64kB 
[  232.517458]  ? print_usage_bug+0xc0/0xc0
[  232.521239] (U) 
[  232.523476]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.527510] 1*128kB 
[  232.529498]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.535006] (U) 
[  232.537332]  ? check_preemption_disabled+0x48/0x200
[  232.542836] 1*256kB (U) 
[  232.544820]  ? check_preemption_disabled+0x48/0x200
[  232.549814] 0*512kB 
[  232.552486]  ? __lock_is_held+0xb5/0x140
[  232.557477] 1*1024kB 
[  232.559800]  __alloc_pages_nodemask+0xa80/0xde0
[  232.563844] (U) 
[  232.566246]  ? graph_lock+0x170/0x170
[  232.570895] 1*2048kB 
[  232.572885]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  232.576677] (M) 
[  232.579083]  ? graph_lock+0x170/0x170
[  232.584088] 3*4096kB 
[  232.586069]  ? find_held_lock+0x36/0x1c0
[  232.589842] (M) 
[  232.592253]  ? ____cache_alloc_node+0x1c7/0x1e0
[  232.596293] = 15908kB
[  232.598285]  ? lock_downgrade+0x900/0x900
[  232.602937] Node 0 
[  232.605343]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.609475] DMA32: 
[  232.611711]  cache_grow_begin+0x91/0x8c0
[  232.617228] 3*4kB 
[  232.619486]  ? do_raw_spin_unlock+0xa7/0x2f0
[  232.623527] (UM) 
[  232.625679]  fallback_alloc+0x203/0x2e0
[  232.630063] 1*8kB 
[  232.632127]  ____cache_alloc_node+0x1c7/0x1e0
[  232.636077] (U) 
[  232.638224]  kmem_cache_alloc_node+0xe3/0x730
[  232.642694] 4*16kB 
[  232.644671]  ? ipv6_get_ifaddr+0x42e/0x620
[  232.649138] (UM) 
[  232.651389]  __alloc_skb+0x119/0x770
[  232.655593] 2*32kB 
[  232.657658]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  232.661343] (UM) 
[  232.663578]  ? skb_scrub_packet+0x490/0x490
[  232.668826] 3*64kB (UM) 
[  232.670915]  ? lock_downgrade+0x900/0x900
[  232.675209] 4*128kB 
[  232.677881]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.682018] (UM) 
[  232.684358]  ? refcount_sub_and_test_checked+0x203/0x310
[  232.689893] 3*256kB 
[  232.691957]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  232.697389] (UM) 4*512kB (UM) 
[  232.699727]  ? addrconf_rs_timer+0x6f0/0x6f0
[  232.705155] 3*1024kB 
[  232.708361]  ndisc_alloc_skb+0x144/0x340
[  232.712741] (M) 
[  232.715160]  ndisc_send_rs+0x331/0x6e0
[  232.719194] 3*2048kB 
[  232.721180]  addrconf_rs_timer+0x3c0/0x6f0
[  232.725037] (UM) 3*4096kB 
[  232.727473]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  232.731684] (M) 
[  232.734540]  call_timer_fn+0x272/0x920
[  232.738739] = 25172kB
[  232.738749] Node 0 
[  232.740726]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  232.744590] Normal: 
[  232.746996]  ? process_timeout+0x40/0x40
[  232.749213] 979*4kB 
[  232.753459]  ? find_held_lock+0x36/0x1c0
[  232.755763] (ME) 
[  232.759824]  ? __run_timers+0x7da/0xc70
[  232.762126] 483*8kB 
[  232.766191]  ? _raw_spin_unlock_irq+0x27/0x80
[  232.768230] (UME) 
[  232.772194]  ? _raw_spin_unlock_irq+0x27/0x80
[  232.774506] 201*16kB 
[  232.779005]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  232.781132] (ME) 
[  232.785623]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  232.788012] 59*32kB 
[  232.792244]  ? trace_hardirqs_on+0xbd/0x310
[  232.794299] (UME) 
[  232.798879]  ? kasan_check_read+0x11/0x20
[  232.801179] 15*64kB 
[  232.805494]  ? __run_timers+0x7da/0xc70
[  232.807622] (UM) 
[  232.811764]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  232.814067] 0*128kB 
[  232.818038]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  232.820085] 0*256kB 
[  232.825528]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  232.827828] 0*512kB 
[  232.832057]  __run_timers+0x7e5/0xc70
[  232.834359] 0*1024kB 
[  232.838603]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  232.840897] 0*2048kB 
[  232.844700]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  232.847083] 0*4096kB 
[  232.852442]  ? rcu_bh_qs+0xc0/0xc0
[  232.854840] = 13844kB
[  232.854880] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  232.860179]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.862584] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  232.866119]  ? check_preemption_disabled+0x48/0x200
[  232.868535] 1697 total pagecache pages
[  232.877403]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  232.882914] 0 pages in swap cache
[  232.891485]  ? retint_kernel+0x2d/0x2d
[  232.896505] Swap cache stats: add 0, delete 0, find 0/0
[  232.900401]  ? trace_hardirqs_on_caller+0xc0/0x300
[  232.905149] Free swap  = 0kB
[  232.908612]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  232.912476] Total swap = 0kB
[  232.917833]  ? trace_hardirqs_off_caller+0x300/0x300
[  232.922767] 1965979 pages RAM
[  232.925783]  ? check_preemption_disabled+0x48/0x200
[  232.930509] 0 pages HighMem/MovableOnly
[  232.930518] 342744 pages reserved
[  232.933534]  ? graph_lock+0x170/0x170
[  232.938614] 0 pages cma reserved
[  232.941720]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.946823] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  232.950706]  ? check_preemption_disabled+0x48/0x200
[  232.950732]  ? __lock_is_held+0xb5/0x140
[  232.950749]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.954278] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  232.958013]  ? check_preemption_disabled+0x48/0x200
[  232.961356] ksoftirqd/0 cpuset=
[  232.966920]  run_timer_softirq+0x52/0xb0
[  232.973389] /
[  232.978410]  ? rcu_read_lock_sched_held+0x108/0x120
[  232.982465]  mems_allowed=0
[  232.988000]  __do_softirq+0x30b/0xad8
[  233.024012]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  233.029134]  ? pvclock_read_flags+0x160/0x160
[  233.033630]  ? lapic_next_event+0x5a/0x90
[  233.037805]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.043341]  ? check_preemption_disabled+0x48/0x200
[  233.048663]  ? check_preemption_disabled+0x48/0x200
[  233.053697]  ? kvm_clock_read+0x18/0x30
[  233.057671]  ? kvm_sched_clock_read+0x9/0x20
[  233.062080]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.067639]  ? check_preemption_disabled+0x48/0x200
[  233.072671]  irq_exit+0x17f/0x1c0
[  233.076142]  smp_apic_timer_interrupt+0x1cb/0x760
[  233.080983]  ? smp_reschedule_interrupt+0x109/0x650
[  233.086002]  ? smp_call_function_single_interrupt+0x650/0x650
[  233.091888]  ? interrupt_entry+0xb5/0xf0
[  233.095957]  ? trace_hardirqs_off_caller+0xbb/0x300
[  233.100969]  ? trace_hardirqs_off_caller+0xbb/0x300
[  233.105988]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  233.110832]  ? trace_hardirqs_off+0x300/0x300
[  233.115333]  ? trace_hardirqs_off+0x300/0x300
[  233.119831]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.125387]  ? check_preemption_disabled+0x48/0x200
[  233.130406]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.135952]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  233.140809]  apic_timer_interrupt+0xf/0x20
[  233.145068]  </IRQ>
[  233.147310] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  233.152764] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 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 9a 42
[  233.171664] RSP: 0018:ffff88019cfa7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  233.179381] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  233.186655] RDX: 0000000000000000 RSI: ffff88019d338900 RDI: 0000000000000282
[  233.193923] RBP: ffff88019cfa77b0 R08: ffff88019d338080 R09: 0000000000000000
[  233.201187] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  233.208453] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  233.215764]  skb_clone+0x1bb/0x500
[  233.219309]  ? finish_task_switch+0x2f5/0x900
[  233.223807]  ? skb_split+0x11e0/0x11e0
[  233.227696]  ? preempt_notifier_register+0x200/0x200
[  233.232800]  ? __switch_to_asm+0x34/0x70
[  233.236872]  ? __switch_to_asm+0x34/0x70
[  233.240947]  ? __switch_to_asm+0x40/0x70
[  233.245002]  ? __switch_to_asm+0x34/0x70
[  233.249058]  ? __switch_to_asm+0x40/0x70
[  233.253114]  ? __switch_to_asm+0x34/0x70
[  233.257192]  ? __switch_to_asm+0x40/0x70
[  233.261251]  ? __switch_to_asm+0x34/0x70
[  233.265327]  ? __switch_to_asm+0x34/0x70
[  233.269396]  ? __switch_to_asm+0x40/0x70
[  233.273452]  ? __switch_to_asm+0x34/0x70
[  233.277516]  bpf_clone_redirect+0xb9/0x490
[  233.281764]  ? __schedule+0x874/0x1ed0
[  233.285655]  bpf_prog_bebbfe2050753572+0x482/0x1000
[  233.290701]  ? __sched_text_start+0x8/0x8
[  233.294858]  ? find_held_lock+0x36/0x1c0
[  233.298928]  ? lock_acquire+0x1ed/0x520
[  233.302913]  ? bpf_test_run+0x32e/0x5a0
[  233.306888]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.312433]  ? check_preemption_disabled+0x48/0x200
[  233.317459]  ? kasan_check_read+0x11/0x20
[  233.321612]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  233.326894]  ? rcu_bh_qs+0xc0/0xc0
[  233.330447]  ? preempt_schedule+0x4d/0x60
[  233.334598]  ? ___preempt_schedule+0x16/0x18
[  233.339018]  ? bpf_test_run+0x1c0/0x5a0
[  233.343006]  ? netlink_diag_dump+0x2a0/0x2a0
[  233.347427]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  233.352990]  ? bpf_test_init.isra.9+0x70/0x100
[  233.357579]  ? bpf_prog_test_run_skb+0x634/0xb40
[  233.362386]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  233.367229]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  233.372764]  ? fput+0x130/0x1a0
[  233.376051]  ? __bpf_prog_get+0x9b/0x290
[  233.380123]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  233.384968]  ? bpf_prog_test_run+0x130/0x1a0
[  233.389390]  ? __x64_sys_bpf+0x3d8/0x510
[  233.393463]  ? bpf_prog_get+0x20/0x20
[  233.397274]  ? ksys_ioctl+0x81/0xd0
[  233.400919]  ? do_syscall_64+0x1b9/0x820
[  233.405018]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  233.410403]  ? syscall_return_slowpath+0x5e0/0x5e0
[  233.415353]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  233.420205]  ? trace_hardirqs_off+0x300/0x300
[  233.424711]  ? prepare_exit_to_usermode+0x291/0x3b0
[  233.429733]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  233.434598]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  233.439985] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
[  233.440075] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  233.446764] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  233.446786] Call Trace:
[  233.453390] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  233.462619]  dump_stack+0x1c4/0x2b4
[  233.465186] syz-executor1 cpuset=
[  233.475667]  ? dump_stack_print_info.cold.2+0x52/0x52
[  233.479272] syz1
[  233.482732]  warn_alloc.cold.118+0xb7/0x1bd
[  233.487896]  mems_allowed=0
[  233.489869]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  233.501930]  ? lock_downgrade+0x900/0x900
[  233.506087]  ? trace_hardirqs_off+0xb8/0x300
[  233.510502]  ? trace_hardirqs_off+0xb8/0x300
[  233.514933]  __alloc_pages_slowpath+0x2667/0x2d80
[  233.519810]  ? mark_held_locks+0x130/0x130
[  233.524049]  ? warn_alloc+0x120/0x120
[  233.527859]  ? warn_alloc+0x120/0x120
[  233.531663]  ? print_usage_bug+0xc0/0xc0
[  233.535724]  ? warn_alloc+0x120/0x120
[  233.539528]  ? print_usage_bug+0xc0/0xc0
[  233.543598]  ? __lock_acquire+0x7ec/0x4ec0
[  233.547846]  ? __lock_acquire+0x7ec/0x4ec0
[  233.552098]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  233.557638]  ? should_fail+0x22d/0xd01
[  233.561536]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  233.566642]  ? __lock_acquire+0x7ec/0x4ec0
[  233.570883]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  233.575984]  ? __lock_acquire+0x7ec/0x4ec0
[  233.580220]  ? should_fail+0x22d/0xd01
[  233.584129]  ? mark_held_locks+0x130/0x130
[  233.588371]  ? mark_held_locks+0x130/0x130
[  233.592613]  ? graph_lock+0x170/0x170
[  233.596419]  ? graph_lock+0x170/0x170
[  233.600227]  ? graph_lock+0x170/0x170
[  233.604037]  ? print_usage_bug+0xc0/0xc0
[  233.608126]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.613670]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.619213]  ? check_preemption_disabled+0x48/0x200
[  233.624230]  ? check_preemption_disabled+0x48/0x200
[  233.629261]  ? __lock_is_held+0xb5/0x140
[  233.633364]  __alloc_pages_nodemask+0xa80/0xde0
[  233.638041]  ? graph_lock+0x170/0x170
[  233.641848]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  233.646861]  ? graph_lock+0x170/0x170
[  233.650676]  ? find_held_lock+0x36/0x1c0
[  233.654750]  ? ____cache_alloc_node+0x1c7/0x1e0
[  233.659426]  ? lock_downgrade+0x900/0x900
[  233.663587]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.669164]  cache_grow_begin+0x91/0x8c0
[  233.673233]  ? do_raw_spin_unlock+0xa7/0x2f0
[  233.677650]  fallback_alloc+0x203/0x2e0
[  233.681639]  ____cache_alloc_node+0x1c7/0x1e0
[  233.686136]  kmem_cache_alloc_node+0xe3/0x730
[  233.690649]  ? ipv6_get_ifaddr+0x42e/0x620
[  233.694895]  __alloc_skb+0x119/0x770
[  233.698614]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  233.703897]  ? skb_scrub_packet+0x490/0x490
[  233.708223]  ? lock_downgrade+0x900/0x900
[  233.712379]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.717928]  ? refcount_sub_and_test_checked+0x203/0x310
[  233.723384]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  233.728846]  ? addrconf_rs_timer+0x6f0/0x6f0
[  233.733302]  ndisc_alloc_skb+0x144/0x340
[  233.737396]  ndisc_send_rs+0x331/0x6e0
[  233.741315]  addrconf_rs_timer+0x3c0/0x6f0
[  233.745557]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  233.749809]  call_timer_fn+0x272/0x920
[  233.753702]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  233.757939]  ? process_timeout+0x40/0x40
[  233.761998]  ? find_held_lock+0x36/0x1c0
[  233.766069]  ? __run_timers+0x7da/0xc70
[  233.770050]  ? _raw_spin_unlock_irq+0x27/0x80
[  233.774543]  ? _raw_spin_unlock_irq+0x27/0x80
[  233.779035]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  233.783271]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  233.787855]  ? trace_hardirqs_on+0xbd/0x310
[  233.792178]  ? kasan_check_read+0x11/0x20
[  233.796329]  ? __run_timers+0x7da/0xc70
[  233.800307]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  233.805762]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  233.810005]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  233.814238]  __run_timers+0x7e5/0xc70
[  233.818055]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  233.823430]  ? compat_start_thread+0x80/0x80
[  233.827846]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.833390]  ? kasan_check_write+0x14/0x20
[  233.837636]  ? finish_task_switch+0x2f5/0x900
[  233.842139]  ? __switch_to_asm+0x40/0x70
[  233.846204]  ? preempt_notifier_register+0x200/0x200
[  233.851322]  ? __switch_to_asm+0x34/0x70
[  233.855377]  ? __switch_to_asm+0x40/0x70
[  233.859446]  ? __switch_to_asm+0x34/0x70
[  233.863509]  ? __switch_to_asm+0x40/0x70
[  233.867567]  ? __switch_to_asm+0x34/0x70
[  233.871628]  ? __switch_to_asm+0x40/0x70
[  233.875700]  ? pvclock_read_flags+0x160/0x160
[  233.880205]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.885748]  ? check_preemption_disabled+0x48/0x200
[  233.890775]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  233.896311]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  233.901591]  ? rcu_pm_notify+0xc0/0xc0
[  233.905490]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.911027]  ? check_preemption_disabled+0x48/0x200
[  233.916049]  run_timer_softirq+0x52/0xb0
[  233.920122]  ? rcu_read_lock_sched_held+0x108/0x120
[  233.925142]  __do_softirq+0x30b/0xad8
[  233.928968]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  233.934097]  ? schedule+0x108/0x460
[  233.937740]  ? __schedule+0x1ed0/0x1ed0
[  233.941722]  ? trace_hardirqs_off+0xb8/0x300
[  233.946134]  ? ___might_sleep+0x1ed/0x300
[  233.950282]  ? smpboot_thread_fn+0x68b/0xa00
[  233.954695]  ? trace_hardirqs_on+0x310/0x310
[  233.959113]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  233.964655]  ? check_preemption_disabled+0x48/0x200
[  233.969672]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.975213]  ? takeover_tasklets+0xa90/0xa90
[  233.979626]  run_ksoftirqd+0x94/0x100
[  233.983434]  smpboot_thread_fn+0x68b/0xa00
[  233.987674]  ? sort_range+0x30/0x30
[  233.991302]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  233.996441]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  234.001982]  ? __kthread_parkme+0xfb/0x1a0
[  234.006232]  kthread+0x35a/0x420
[  234.009599]  ? sort_range+0x30/0x30
[  234.013221]  ? kthread_bind+0x40/0x40
[  234.017041]  ret_from_fork+0x3a/0x50
[  234.020791] CPU: 1 PID: 10110 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
[  234.020797] warn_alloc_show_mem: 1 callbacks suppressed
[  234.020805] Mem-Info:
[  234.028082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  234.033458] active_anon:39159 inactive_anon:1633 isolated_anon:0
[  234.033458]  active_file:15 inactive_file:16 isolated_file:0
[  234.033458]  unevictable:0 dirty:0 writeback:0 unstable:0
[  234.033458]  slab_reclaimable:8773 slab_unreclaimable:1470459
[  234.033458]  mapped:49330 shmem:1666 pagetables:630 bounce:0
[  234.033458]  free:13723 free_pcp:275 free_cma:0
[  234.035834] Call Trace:
[  234.045720] Node 0 active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197320kB dirty:0kB writeback:0kB shmem:6664kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  234.078740]  <IRQ>
[  234.081314] Node 0 
[  234.108990]  dump_stack+0x1c4/0x2b4
[  234.111144] 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
[  234.113357]  ? dump_stack_print_info.cold.2+0x52/0x52
[  234.116974] lowmem_reserve[]: 0
[  234.142495]  warn_alloc.cold.118+0xb7/0x1bd
[  234.147659]  2817
[  234.150938]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  234.155236]  6321
[  234.157301]  ? lock_downgrade+0x900/0x900
[  234.162121]  6321
[  234.164185]  ? trace_hardirqs_off+0xb8/0x300
[  234.168309] Node 0 
[  234.170370]  ? trace_hardirqs_off+0xb8/0x300
[  234.174829] DMA32 free:25172kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  234.177057]  __alloc_pages_slowpath+0x2667/0x2d80
[  234.181439] lowmem_reserve[]:
[  234.208175]  ? warn_alloc+0x120/0x120
[  234.212972]  0
[  234.216076]  ? trace_hardirqs_on+0x310/0x310
[  234.219850]  0 3503
[  234.221673]  ? warn_alloc+0x120/0x120
[  234.226058]  3503
[  234.228290]  ? print_usage_bug+0xc0/0xc0
[  234.232071] Node 0 
[  234.234130]  ? warn_alloc+0x120/0x120
[  234.238198] Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5408kB pagetables:2520kB bounce:0kB free_pcp:852kB local_pcp:604kB free_cma:0kB
[  234.240411]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  234.244193] lowmem_reserve[]:
[  234.272573]  ? print_usage_bug+0xc0/0xc0
[  234.277571]  0
[  234.280673]  ? __lock_acquire+0x7ec/0x4ec0
[  234.284728]  0
[  234.286528]  ? __lock_acquire+0x7ec/0x4ec0
[  234.290756]  0
[  234.292556]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  234.296767]  0
[  234.298573]  ? should_fail+0x22d/0xd01
[  234.305879]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  234.309743] Node 0 
[  234.314889]  ? __lock_acquire+0x7ec/0x4ec0
[  234.314892] DMA: 1*4kB 
[  234.317143]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  234.321354] (U) 
[  234.323935]  ? __lock_acquire+0x7ec/0x4ec0
[  234.329011] 0*8kB 0*16kB 
[  234.331001]  ? should_fail+0x22d/0xd01
[  234.335213] 1*32kB 
[  234.337977]  ? print_usage_bug+0xc0/0xc0
[  234.341843] (U) 
[  234.344102]  ? mark_held_locks+0x130/0x130
[  234.348130] 2*64kB (U) 
[  234.350114]  ? mark_held_locks+0x130/0x130
[  234.354329] 1*128kB 
[  234.356924]  ? graph_lock+0x170/0x170
[  234.361125] (U) 
[  234.363445]  ? print_usage_bug+0xc0/0xc0
[  234.367220] 1*256kB (U) 
[  234.369207]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  234.373239] 0*512kB 1*1024kB 
[  234.375920]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.380649] (U) 
[  234.383758]  ? check_preemption_disabled+0x48/0x200
[  234.389269] 1*2048kB 
[  234.391257]  ? check_preemption_disabled+0x48/0x200
[  234.396245] (M) 3*4096kB 
[  234.398670]  ? __lock_is_held+0xb5/0x140
[  234.403654] (M) 
[  234.406414]  __alloc_pages_nodemask+0xa80/0xde0
[  234.410460] = 15908kB
[  234.410469] Node 0 
[  234.412445]  ? graph_lock+0x170/0x170
[  234.417109] DMA32: 
[  234.419516]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  234.421732] 3*4kB 
[  234.425542]  ? graph_lock+0x170/0x170
[  234.427760] (UM) 
[  234.432792]  ? find_held_lock+0x36/0x1c0
[  234.434916] 1*8kB 
[  234.438718]  ? ____cache_alloc_node+0x1c7/0x1e0
[  234.440753] (U) 
[  234.444818]  ? lock_downgrade+0x900/0x900
[  234.446948] 4*16kB 
[  234.451614]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.453562] (UM) 
[  234.457711]  cache_grow_begin+0x91/0x8c0
[  234.459926] 2*32kB 
[  234.465476]  ? do_raw_spin_unlock+0xa7/0x2f0
[  234.467523] (UM) 
[  234.471584]  fallback_alloc+0x203/0x2e0
[  234.473794] 3*64kB (UM) 
[  234.478207]  ____cache_alloc_node+0x1c7/0x1e0
[  234.480240] 4*128kB (UM) 
[  234.484223]  kmem_cache_alloc_node+0xe3/0x730
[  234.486866] 3*256kB (UM) 
[  234.491398]  ? ipv6_get_ifaddr+0x42e/0x620
[  234.494131] 4*512kB (UM) 
[  234.498636]  __alloc_skb+0x119/0x770
[  234.501363] 3*1024kB (M) 
[  234.505609]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  234.508332] 3*2048kB (UM) 
[  234.512048]  ? skb_scrub_packet+0x490/0x490
[  234.514781] 3*4096kB (M) 
[  234.520063]  ? lock_downgrade+0x900/0x900
[  234.522909] = 25172kB
[  234.527230]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.529962] Node 0 
[  234.534151]  ? refcount_sub_and_test_checked+0x203/0x310
[  234.536538] Normal: 
[  234.542077]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  234.544299] 979*4kB 
[  234.549756]  ? addrconf_rs_timer+0x6f0/0x6f0
[  234.552058] (ME) 
[  234.557517]  ndisc_alloc_skb+0x144/0x340
[  234.559813] 483*8kB 
[  234.564221]  ndisc_send_rs+0x331/0x6e0
[  234.566263] (UME) 
[  234.570322]  addrconf_rs_timer+0x3c0/0x6f0
[  234.572624] 201*16kB 
[  234.576508]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  234.578633] (ME) 
[  234.582875]  call_timer_fn+0x272/0x920
[  234.585253] 59*32kB 
[  234.589484]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  234.591533] (UME) 
[  234.595422]  ? process_timeout+0x40/0x40
[  234.597732] 15*64kB (UM) 
[  234.601974]  ? find_held_lock+0x36/0x1c0
[  234.604118] 0*128kB 
[  234.608213]  ? __run_timers+0x7da/0xc70
[  234.610943] 0*256kB 0*512kB 
[  234.615008]  ? _raw_spin_unlock_irq+0x27/0x80
[  234.617306] 0*1024kB 
[  234.621272]  ? _raw_spin_unlock_irq+0x27/0x80
[  234.624276] 0*2048kB 0*4096kB 
[  234.628793]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  234.631179] = 13844kB
[  234.635672]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  234.638851] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  234.643073]  ? trace_hardirqs_on+0xbd/0x310
[  234.645465] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  234.650040]  ? kasan_check_read+0x11/0x20
[  234.658851] 1697 total pagecache pages
[  234.663167]  ? __run_timers+0x7da/0xc70
[  234.671727] 0 pages in swap cache
[  234.675878]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  234.679770] Swap cache stats: add 0, delete 0, find 0/0
[  234.683741]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  234.687175] Free swap  = 0kB
[  234.692651]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  234.697992] Total swap = 0kB
[  234.702223]  __run_timers+0x7e5/0xc70
[  234.705223] 1965979 pages RAM
[  234.709482]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  234.712465] 0 pages HighMem/MovableOnly
[  234.712487] 342744 pages reserved
[  234.716288]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  234.719370] 0 pages cma reserved
[  234.724729]  ? rcu_bh_qs+0xc0/0xc0
[  234.728796] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  234.732143]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.737503] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  234.740770]  ? check_preemption_disabled+0x48/0x200
[  234.744293] ksoftirqd/0 cpuset=
[  234.750787]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  234.756296] /
[  234.766602]  ? retint_kernel+0x2d/0x2d
[  234.771612]  mems_allowed=0
[  234.774885]  ? trace_hardirqs_on_caller+0xc0/0x300
[  234.793016]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  234.797808]  ? trace_hardirqs_off_caller+0x300/0x300
[  234.802936]  ? check_preemption_disabled+0x48/0x200
[  234.807953]  ? graph_lock+0x170/0x170
[  234.811756]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.817294]  ? check_preemption_disabled+0x48/0x200
[  234.822322]  ? __lock_is_held+0xb5/0x140
[  234.826387]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.831928]  ? check_preemption_disabled+0x48/0x200
[  234.836965]  run_timer_softirq+0x52/0xb0
[  234.841049]  ? rcu_read_lock_sched_held+0x108/0x120
[  234.846091]  __do_softirq+0x30b/0xad8
[  234.849932]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  234.855045]  ? pvclock_read_flags+0x160/0x160
[  234.859553]  ? lapic_next_event+0x5a/0x90
[  234.863717]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.869256]  ? check_preemption_disabled+0x48/0x200
[  234.874272]  ? check_preemption_disabled+0x48/0x200
[  234.879295]  ? kvm_clock_read+0x18/0x30
[  234.883268]  ? kvm_sched_clock_read+0x9/0x20
[  234.887679]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.893217]  ? check_preemption_disabled+0x48/0x200
[  234.898247]  irq_exit+0x17f/0x1c0
[  234.901701]  smp_apic_timer_interrupt+0x1cb/0x760
[  234.906547]  ? smp_reschedule_interrupt+0x109/0x650
[  234.911564]  ? smp_call_function_single_interrupt+0x650/0x650
[  234.917557]  ? interrupt_entry+0xb5/0xf0
[  234.921635]  ? trace_hardirqs_off_caller+0xbb/0x300
[  234.926655]  ? trace_hardirqs_off_caller+0xbb/0x300
[  234.931673]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  234.936544]  ? trace_hardirqs_off+0x300/0x300
[  234.941036]  ? trace_hardirqs_off+0x300/0x300
[  234.945534]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.951085]  ? check_preemption_disabled+0x48/0x200
[  234.956100]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.961662]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  234.966514]  apic_timer_interrupt+0xf/0x20
[  234.970742]  </IRQ>
[  234.973004] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  234.977963] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 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 9a 42
[  234.996861] RSP: 0018:ffff88019cfa7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  235.004663] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  235.011935] RDX: 0000000000000000 RSI: ffff88019d338900 RDI: 0000000000000282
[  235.019200] RBP: ffff88019cfa77b0 R08: ffff88019d338080 R09: 0000000000000000
[  235.026477] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  235.033744] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  235.041257]  skb_clone+0x1bb/0x500
[  235.045037]  ? finish_task_switch+0x2f5/0x900
[  235.049540]  ? skb_split+0x11e0/0x11e0
[  235.053432]  ? preempt_notifier_register+0x200/0x200
[  235.058536]  ? __switch_to_asm+0x34/0x70
[  235.062610]  ? __switch_to_asm+0x34/0x70
[  235.066669]  ? __switch_to_asm+0x40/0x70
[  235.070728]  ? __switch_to_asm+0x34/0x70
[  235.074813]  ? __switch_to_asm+0x40/0x70
[  235.078886]  ? __switch_to_asm+0x34/0x70
[  235.082948]  ? __switch_to_asm+0x40/0x70
[  235.087011]  ? __switch_to_asm+0x34/0x70
[  235.091080]  ? __switch_to_asm+0x34/0x70
[  235.095138]  ? __switch_to_asm+0x40/0x70
[  235.099204]  ? __switch_to_asm+0x34/0x70
[  235.103274]  bpf_clone_redirect+0xb9/0x490
[  235.107533]  ? __schedule+0x874/0x1ed0
[  235.111435]  bpf_prog_bebbfe2050753572+0x482/0x1000
[  235.116470]  ? __sched_text_start+0x8/0x8
[  235.120633]  ? find_held_lock+0x36/0x1c0
[  235.124726]  ? lock_acquire+0x1ed/0x520
[  235.128699]  ? bpf_test_run+0x32e/0x5a0
[  235.132677]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.138236]  ? check_preemption_disabled+0x48/0x200
[  235.143294]  ? kasan_check_read+0x11/0x20
[  235.147466]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  235.153241]  ? rcu_bh_qs+0xc0/0xc0
[  235.156785]  ? preempt_schedule+0x4d/0x60
[  235.160942]  ? ___preempt_schedule+0x16/0x18
[  235.165361]  ? bpf_test_run+0x1c0/0x5a0
[  235.169353]  ? netlink_diag_dump+0x2a0/0x2a0
[  235.173773]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  235.179316]  ? bpf_test_init.isra.9+0x70/0x100
[  235.183908]  ? bpf_prog_test_run_skb+0x634/0xb40
[  235.188687]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  235.193532]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  235.199081]  ? fput+0x130/0x1a0
[  235.202361]  ? __bpf_prog_get+0x9b/0x290
[  235.206450]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  235.211293]  ? bpf_prog_test_run+0x130/0x1a0
[  235.215705]  ? __x64_sys_bpf+0x3d8/0x510
[  235.219777]  ? bpf_prog_get+0x20/0x20
[  235.223586]  ? ksys_ioctl+0x81/0xd0
[  235.227223]  ? do_syscall_64+0x1b9/0x820
[  235.231281]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  235.236646]  ? syscall_return_slowpath+0x5e0/0x5e0
[  235.241581]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  235.246435]  ? trace_hardirqs_off+0x300/0x300
[  235.250940]  ? prepare_exit_to_usermode+0x291/0x3b0
[  235.255963]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  235.260899]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  235.266285] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
[  235.266402] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  235.273042] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  235.273048] Call Trace:
[  235.273066]  dump_stack+0x1c4/0x2b4
[  235.273082]  ? dump_stack_print_info.cold.2+0x52/0x52
[  235.273109]  warn_alloc.cold.118+0xb7/0x1bd
[  235.279689] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  235.288934]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  235.291501] syz-executor1 cpuset=
[  235.295131]  ? lock_downgrade+0x900/0x900
[  235.300298] syz1
[  235.304616]  ? trace_hardirqs_off+0xb8/0x300
[  235.315077]  mems_allowed=0
[  235.319921]  ? trace_hardirqs_off+0xb8/0x300
[  235.341156]  __alloc_pages_slowpath+0x2667/0x2d80
[  235.346024]  ? mark_held_locks+0x130/0x130
[  235.350270]  ? warn_alloc+0x120/0x120
[  235.354110]  ? warn_alloc+0x120/0x120
[  235.357915]  ? print_usage_bug+0xc0/0xc0
[  235.361981]  ? warn_alloc+0x120/0x120
[  235.365792]  ? print_usage_bug+0xc0/0xc0
[  235.369858]  ? __lock_acquire+0x7ec/0x4ec0
[  235.374097]  ? __lock_acquire+0x7ec/0x4ec0
[  235.378335]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  235.383901]  ? should_fail+0x22d/0xd01
[  235.387799]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  235.392903]  ? __lock_acquire+0x7ec/0x4ec0
[  235.397144]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  235.402244]  ? __lock_acquire+0x7ec/0x4ec0
[  235.406482]  ? should_fail+0x22d/0xd01
[  235.410373]  ? print_usage_bug+0xc0/0xc0
[  235.414451]  ? mark_held_locks+0x130/0x130
[  235.418692]  ? mark_held_locks+0x130/0x130
[  235.422937]  ? graph_lock+0x170/0x170
[  235.426743]  ? print_usage_bug+0xc0/0xc0
[  235.430805]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  235.435566]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.441112]  ? check_preemption_disabled+0x48/0x200
[  235.446127]  ? check_preemption_disabled+0x48/0x200
[  235.451159]  ? __lock_is_held+0xb5/0x140
[  235.455232]  __alloc_pages_nodemask+0xa80/0xde0
[  235.459903]  ? graph_lock+0x170/0x170
[  235.463715]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  235.468731]  ? graph_lock+0x170/0x170
[  235.472549]  ? find_held_lock+0x36/0x1c0
[  235.476625]  ? ____cache_alloc_node+0x1c7/0x1e0
[  235.481296]  ? lock_downgrade+0x900/0x900
[  235.485457]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.491002]  cache_grow_begin+0x91/0x8c0
[  235.495067]  ? do_raw_spin_unlock+0xa7/0x2f0
[  235.499486]  fallback_alloc+0x203/0x2e0
[  235.503472]  ____cache_alloc_node+0x1c7/0x1e0
[  235.507979]  kmem_cache_alloc_node+0xe3/0x730
[  235.512487]  ? ipv6_get_ifaddr+0x42e/0x620
[  235.516736]  __alloc_skb+0x119/0x770
[  235.520456]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  235.525738]  ? skb_scrub_packet+0x490/0x490
[  235.530061]  ? lock_downgrade+0x900/0x900
[  235.534219]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.539758]  ? refcount_sub_and_test_checked+0x203/0x310
[  235.545216]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  235.550673]  ? addrconf_rs_timer+0x6f0/0x6f0
[  235.555101]  ndisc_alloc_skb+0x144/0x340
[  235.559170]  ndisc_send_rs+0x331/0x6e0
[  235.563065]  addrconf_rs_timer+0x3c0/0x6f0
[  235.567307]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  235.571558]  call_timer_fn+0x272/0x920
[  235.575449]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  235.579692]  ? process_timeout+0x40/0x40
[  235.583753]  ? find_held_lock+0x36/0x1c0
[  235.587823]  ? __run_timers+0x7da/0xc70
[  235.591813]  ? _raw_spin_unlock_irq+0x27/0x80
[  235.596307]  ? _raw_spin_unlock_irq+0x27/0x80
[  235.600803]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  235.605037]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  235.609626]  ? trace_hardirqs_on+0xbd/0x310
[  235.613948]  ? kasan_check_read+0x11/0x20
[  235.618104]  ? __run_timers+0x7da/0xc70
[  235.622083]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  235.627546]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  235.631787]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  235.636033]  __run_timers+0x7e5/0xc70
[  235.639851]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  235.645215]  ? compat_start_thread+0x80/0x80
[  235.649628]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.655174]  ? kasan_check_write+0x14/0x20
[  235.659424]  ? finish_task_switch+0x2f5/0x900
[  235.663923]  ? __switch_to_asm+0x40/0x70
[  235.667989]  ? preempt_notifier_register+0x200/0x200
[  235.673096]  ? __switch_to_asm+0x34/0x70
[  235.677163]  ? __switch_to_asm+0x40/0x70
[  235.681237]  ? __switch_to_asm+0x34/0x70
[  235.685308]  ? __switch_to_asm+0x40/0x70
[  235.689369]  ? __switch_to_asm+0x34/0x70
[  235.693435]  ? __switch_to_asm+0x40/0x70
[  235.697512]  ? pvclock_read_flags+0x160/0x160
[  235.702021]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.707575]  ? check_preemption_disabled+0x48/0x200
[  235.712608]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  235.718148]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  235.723435]  ? rcu_pm_notify+0xc0/0xc0
[  235.727328]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.732866]  ? check_preemption_disabled+0x48/0x200
[  235.737898]  run_timer_softirq+0x52/0xb0
[  235.741985]  ? rcu_read_lock_sched_held+0x108/0x120
[  235.747014]  __do_softirq+0x30b/0xad8
[  235.750836]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  235.755952]  ? schedule+0x108/0x460
[  235.759584]  ? __schedule+0x1ed0/0x1ed0
[  235.763565]  ? trace_hardirqs_off+0xb8/0x300
[  235.767974]  ? ___might_sleep+0x1ed/0x300
[  235.772119]  ? smpboot_thread_fn+0x68b/0xa00
[  235.776533]  ? trace_hardirqs_on+0x310/0x310
[  235.780954]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  235.786521]  ? check_preemption_disabled+0x48/0x200
[  235.791539]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.797083]  ? takeover_tasklets+0xa90/0xa90
[  235.801510]  run_ksoftirqd+0x94/0x100
[  235.805321]  smpboot_thread_fn+0x68b/0xa00
[  235.809559]  ? sort_range+0x30/0x30
[  235.813189]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  235.818294]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  235.823835]  ? __kthread_parkme+0xfb/0x1a0
[  235.828077]  kthread+0x35a/0x420
[  235.831444]  ? sort_range+0x30/0x30
[  235.835069]  ? kthread_bind+0x40/0x40
[  235.838872]  ret_from_fork+0x3a/0x50
[  235.842615] CPU: 1 PID: 10110 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
[  235.842621] warn_alloc_show_mem: 1 callbacks suppressed
[  235.842629] Mem-Info:
[  235.849923] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  235.855660] active_anon:39159 inactive_anon:1633 isolated_anon:0
[  235.855660]  active_file:15 inactive_file:16 isolated_file:0
[  235.855660]  unevictable:0 dirty:0 writeback:0 unstable:0
[  235.855660]  slab_reclaimable:8773 slab_unreclaimable:1470459
[  235.855660]  mapped:49330 shmem:1666 pagetables:630 bounce:0
[  235.855660]  free:13723 free_pcp:275 free_cma:0
[  235.858036] Call Trace:
[  235.867432] Node 0 active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197320kB dirty:0kB writeback:0kB shmem:6664kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  235.900450]  <IRQ>
[  235.903025] Node 0 
[  235.930697]  dump_stack+0x1c4/0x2b4
[  235.932853] 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
[  235.935066]  ? dump_stack_print_info.cold.2+0x52/0x52
[  235.938674] lowmem_reserve[]:
[  235.964183]  warn_alloc.cold.118+0xb7/0x1bd
[  235.969344]  0
[  235.972449]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  235.976742]  2817 6321
[  235.978587]  ? lock_downgrade+0x900/0x900
[  235.983370]  6321
[  235.985871]  ? trace_hardirqs_off+0xb8/0x300
[  235.989994] Node 0 
[  235.992056]  ? trace_hardirqs_off+0xb8/0x300
[  235.996466] DMA32 free:25172kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  235.998684]  __alloc_pages_slowpath+0x2667/0x2d80
[  236.003065] lowmem_reserve[]: 0
[  236.029821]  ? warn_alloc+0x120/0x120
[  236.034620]  0
[  236.037917]  ? trace_hardirqs_on+0x310/0x310
[  236.041691]  3503
[  236.043500]  ? warn_alloc+0x120/0x120
[  236.047884]  3503
[  236.049954]  ? print_usage_bug+0xc0/0xc0
[  236.053733] Node 0 
[  236.055795]  ? warn_alloc+0x120/0x120
[  236.059859] Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5408kB pagetables:2520kB bounce:0kB free_pcp:852kB local_pcp:604kB free_cma:0kB
[  236.062071]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  236.065842] lowmem_reserve[]: 0
[  236.094399]  ? print_usage_bug+0xc0/0xc0
[  236.099409]  0
[  236.102687]  ? __lock_acquire+0x7ec/0x4ec0
[  236.106728]  0
[  236.108544]  ? __lock_acquire+0x7ec/0x4ec0
[  236.112759]  0
[  236.114563]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  236.118779] Node 0 
[  236.120587]  ? should_fail+0x22d/0xd01
[  236.126101] DMA: 
[  236.128338]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  236.132202] 1*4kB 
[  236.134263]  ? __lock_acquire+0x7ec/0x4ec0
[  236.139354] (U) 
[  236.141514]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  236.145727] 0*8kB 
[  236.147701]  ? __lock_acquire+0x7ec/0x4ec0
[  236.152784] 0*16kB 
[  236.154940]  ? should_fail+0x22d/0xd01
[  236.159154] 1*32kB 
[  236.161399]  ? print_usage_bug+0xc0/0xc0
[  236.165275] (U) 
[  236.167515]  ? mark_held_locks+0x130/0x130
[  236.171549] 2*64kB 
[  236.173523]  ? mark_held_locks+0x130/0x130
[  236.177737] (U) 
[  236.179992]  ? graph_lock+0x170/0x170
[  236.184197] 1*128kB (U) 
[  236.186185]  ? print_usage_bug+0xc0/0xc0
[  236.189967] 1*256kB 
[  236.192645]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  236.196682] (U) 
[  236.199019]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.203746] 0*512kB 1*1024kB 
[  236.205737]  ? check_preemption_disabled+0x48/0x200
[  236.211241] (U) 1*2048kB 
[  236.214357]  ? check_preemption_disabled+0x48/0x200
[  236.219349] (M) 
[  236.222112]  ? __lock_is_held+0xb5/0x140
[  236.227096] 3*4096kB (M) 
[  236.229087]  __alloc_pages_nodemask+0xa80/0xde0
[  236.233131] = 15908kB
[  236.233141] Node 0 
[  236.235897]  ? graph_lock+0x170/0x170
[  236.240560] DMA32: 
[  236.242970]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  236.245187] 3*4kB 
[  236.248984]  ? graph_lock+0x170/0x170
[  236.251201] (UM) 
[  236.256220]  ? find_held_lock+0x36/0x1c0
[  236.258337] 1*8kB (U) 
[  236.262151]  ? ____cache_alloc_node+0x1c7/0x1e0
[  236.264188] 4*16kB 
[  236.268244]  ? lock_downgrade+0x900/0x900
[  236.270721] (UM) 
[  236.275402]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.277623] 2*32kB 
[  236.281771]  cache_grow_begin+0x91/0x8c0
[  236.283823] (UM) 
[  236.289362]  ? do_raw_spin_unlock+0xa7/0x2f0
[  236.291582] 3*64kB 
[  236.295677]  fallback_alloc+0x203/0x2e0
[  236.297709] (UM) 
[  236.302137]  ____cache_alloc_node+0x1c7/0x1e0
[  236.304352] 4*128kB 
[  236.308326]  kmem_cache_alloc_node+0xe3/0x730
[  236.310367] (UM) 
[  236.314862]  ? ipv6_get_ifaddr+0x42e/0x620
[  236.317163] 3*256kB 
[  236.321665]  __alloc_skb+0x119/0x770
[  236.323700] (UM) 
[  236.327939]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  236.330238] 4*512kB 
[  236.333950]  ? skb_scrub_packet+0x490/0x490
[  236.335996] (UM) 
[  236.341302]  ? lock_downgrade+0x900/0x900
[  236.343607] 3*1024kB 
[  236.347933]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.349973] (M) 
[  236.354261]  ? refcount_sub_and_test_checked+0x203/0x310
[  236.356655] 3*2048kB 
[  236.362188]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  236.364148] (UM) 
[  236.369966]  ? addrconf_rs_timer+0x6f0/0x6f0
[  236.372349] 3*4096kB (M) 
[  236.377818]  ndisc_alloc_skb+0x144/0x340
[  236.379851] = 25172kB
[  236.384257]  ndisc_send_rs+0x331/0x6e0
[  236.386998] Node 0 
[  236.391061]  addrconf_rs_timer+0x3c0/0x6f0
[  236.393457] Normal: 
[  236.397348]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  236.399570] 979*4kB 
[  236.403813]  call_timer_fn+0x272/0x920
[  236.406106] (ME) 
[  236.410345]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  236.412655] 483*8kB 
[  236.416546]  ? process_timeout+0x40/0x40
[  236.418588] (UME) 
[  236.422826]  ? find_held_lock+0x36/0x1c0
[  236.425137] 201*16kB 
[  236.429199]  ? __run_timers+0x7da/0xc70
[  236.431333] (ME) 
[  236.435396]  ? _raw_spin_unlock_irq+0x27/0x80
[  236.435419]  ? _raw_spin_unlock_irq+0x27/0x80
[  236.437826] 59*32kB (UME) 
[  236.441812]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  236.443853] 15*64kB (UM) 
[  236.448355]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  236.452829] 0*128kB 0*256kB 
[  236.455684]  ? trace_hardirqs_on+0xbd/0x310
[  236.459891] 0*512kB 0*1024kB 
[  236.462667]  ? kasan_check_read+0x11/0x20
[  236.467219] 0*2048kB 0*4096kB 
[  236.470247]  ? __run_timers+0x7da/0xc70
[  236.474549] = 13844kB
[  236.477653]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  236.481784] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  236.484969]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  236.488929] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  236.491338]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  236.496766] 1697 total pagecache pages
[  236.505607]  __run_timers+0x7e5/0xc70
[  236.509831] 0 pages in swap cache
[  236.518409]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  236.522634] Swap cache stats: add 0, delete 0, find 0/0
[  236.526538]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  236.530319] Free swap  = 0kB
[  236.533770]  ? rcu_bh_qs+0xc0/0xc0
[  236.539115] Total swap = 0kB
[  236.544477]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.549728] 1965979 pages RAM
[  236.552750]  ? check_preemption_disabled+0x48/0x200
[  236.556265] 0 pages HighMem/MovableOnly
[  236.559290]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  236.564795] 342744 pages reserved
[  236.564804] 0 pages cma reserved
[  236.567923]  ? retint_kernel+0x2d/0x2d
[  236.573000] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  236.576892]  ? trace_hardirqs_on_caller+0xc0/0x300
[  236.581734] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  236.585090]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  236.588441] ksoftirqd/0 cpuset=
[  236.592327]  ? trace_hardirqs_off_caller+0x300/0x300
[  236.598802] /
[  236.603733]  ? check_preemption_disabled+0x48/0x200
[  236.614032]  mems_allowed=0
[  236.618781]  ? graph_lock+0x170/0x170
[  236.640566]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.646112]  ? check_preemption_disabled+0x48/0x200
[  236.651144]  ? __lock_is_held+0xb5/0x140
[  236.655212]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.660755]  ? check_preemption_disabled+0x48/0x200
[  236.665787]  run_timer_softirq+0x52/0xb0
[  236.669851]  ? rcu_read_lock_sched_held+0x108/0x120
[  236.674876]  __do_softirq+0x30b/0xad8
[  236.678957]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  236.684071]  ? pvclock_read_flags+0x160/0x160
[  236.688575]  ? lapic_next_event+0x5a/0x90
[  236.692731]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.698276]  ? check_preemption_disabled+0x48/0x200
[  236.703297]  ? check_preemption_disabled+0x48/0x200
[  236.708324]  ? kvm_clock_read+0x18/0x30
[  236.712303]  ? kvm_sched_clock_read+0x9/0x20
[  236.716722]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.722268]  ? check_preemption_disabled+0x48/0x200
[  236.727304]  irq_exit+0x17f/0x1c0
[  236.730768]  smp_apic_timer_interrupt+0x1cb/0x760
[  236.735624]  ? smp_reschedule_interrupt+0x109/0x650
[  236.740660]  ? smp_call_function_single_interrupt+0x650/0x650
[  236.746994]  ? interrupt_entry+0xb5/0xf0
[  236.751084]  ? trace_hardirqs_off_caller+0xbb/0x300
[  236.756107]  ? trace_hardirqs_off_caller+0xbb/0x300
[  236.761133]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  236.765980]  ? trace_hardirqs_off+0x300/0x300
[  236.770480]  ? trace_hardirqs_off+0x300/0x300
[  236.774986]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.780531]  ? check_preemption_disabled+0x48/0x200
[  236.785552]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.791102]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  236.795956]  apic_timer_interrupt+0xf/0x20
[  236.800221]  </IRQ>
[  236.802471] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  236.807415] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 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 9a 42
[  236.826322] RSP: 0018:ffff88019cfa7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  236.834035] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  236.841300] RDX: 0000000000000000 RSI: ffff88019d338900 RDI: 0000000000000282
[  236.848569] RBP: ffff88019cfa77b0 R08: ffff88019d338080 R09: 0000000000000000
[  236.855970] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  236.863648] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  236.870961]  skb_clone+0x1bb/0x500
[  236.874511]  ? finish_task_switch+0x2f5/0x900
[  236.879009]  ? skb_split+0x11e0/0x11e0
[  236.882912]  ? preempt_notifier_register+0x200/0x200
[  236.888017]  ? __switch_to_asm+0x34/0x70
[  236.892081]  ? __switch_to_asm+0x34/0x70
[  236.896153]  ? __switch_to_asm+0x40/0x70
[  236.900214]  ? __switch_to_asm+0x34/0x70
[  236.904276]  ? __switch_to_asm+0x40/0x70
[  236.908336]  ? __switch_to_asm+0x34/0x70
[  236.912402]  ? __switch_to_asm+0x40/0x70
[  236.916467]  ? __switch_to_asm+0x34/0x70
[  236.920536]  ? __switch_to_asm+0x34/0x70
[  236.924597]  ? __switch_to_asm+0x40/0x70
[  236.928658]  ? __switch_to_asm+0x34/0x70
[  236.932730]  bpf_clone_redirect+0xb9/0x490
[  236.936970]  ? __schedule+0x874/0x1ed0
[  236.940870]  bpf_prog_bebbfe2050753572+0x482/0x1000
[  236.945896]  ? __sched_text_start+0x8/0x8
[  236.950073]  ? find_held_lock+0x36/0x1c0
[  236.954171]  ? lock_acquire+0x1ed/0x520
[  236.958152]  ? bpf_test_run+0x32e/0x5a0
[  236.962131]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.967672]  ? check_preemption_disabled+0x48/0x200
[  236.972703]  ? kasan_check_read+0x11/0x20
[  236.976858]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  236.982143]  ? rcu_bh_qs+0xc0/0xc0
[  236.985688]  ? preempt_schedule+0x4d/0x60
[  236.989840]  ? ___preempt_schedule+0x16/0x18
[  236.994256]  ? bpf_test_run+0x1c0/0x5a0
[  236.998244]  ? netlink_diag_dump+0x2a0/0x2a0
[  237.002661]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  237.008201]  ? bpf_test_init.isra.9+0x70/0x100
[  237.012796]  ? bpf_prog_test_run_skb+0x634/0xb40
[  237.017564]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  237.022411]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  237.027949]  ? fput+0x130/0x1a0
[  237.031233]  ? __bpf_prog_get+0x9b/0x290
[  237.035301]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  237.040260]  ? bpf_prog_test_run+0x130/0x1a0
[  237.045010]  ? __x64_sys_bpf+0x3d8/0x510
[  237.049124]  ? bpf_prog_get+0x20/0x20
[  237.052942]  ? ksys_ioctl+0x81/0xd0
[  237.056588]  ? do_syscall_64+0x1b9/0x820
[  237.060658]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  237.066055]  ? syscall_return_slowpath+0x5e0/0x5e0
[  237.070994]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  237.075844]  ? trace_hardirqs_off+0x300/0x300
[  237.080347]  ? prepare_exit_to_usermode+0x291/0x3b0
[  237.085475]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  237.090333]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  237.095726] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
[  237.095817] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  237.102491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  237.102497] Call Trace:
[  237.102516]  dump_stack+0x1c4/0x2b4
[  237.102533]  ? dump_stack_print_info.cold.2+0x52/0x52
[  237.102562]  warn_alloc.cold.118+0xb7/0x1bd
[  237.109129] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  237.118396]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  237.120957] syz-executor1 cpuset=
[  237.124584]  ? lock_downgrade+0x900/0x900
[  237.129754] syz1
[  237.134080]  ? trace_hardirqs_off+0xb8/0x300
[  237.144549]  mems_allowed=0
[  237.149395]  ? trace_hardirqs_off+0xb8/0x300
[  237.171176]  __alloc_pages_slowpath+0x2667/0x2d80
[  237.176051]  ? mark_held_locks+0x130/0x130
[  237.180295]  ? warn_alloc+0x120/0x120
[  237.184107]  ? warn_alloc+0x120/0x120
[  237.187915]  ? print_usage_bug+0xc0/0xc0
[  237.191980]  ? warn_alloc+0x120/0x120
[  237.195784]  ? print_usage_bug+0xc0/0xc0
[  237.199855]  ? __lock_acquire+0x7ec/0x4ec0
[  237.204104]  ? __lock_acquire+0x7ec/0x4ec0
[  237.208361]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  237.213906]  ? should_fail+0x22d/0xd01
[  237.217804]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  237.222914]  ? __lock_acquire+0x7ec/0x4ec0
[  237.227158]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  237.232263]  ? __lock_acquire+0x7ec/0x4ec0
[  237.236500]  ? should_fail+0x22d/0xd01
[  237.240390]  ? print_usage_bug+0xc0/0xc0
[  237.244469]  ? mark_held_locks+0x130/0x130
[  237.248711]  ? mark_held_locks+0x130/0x130
[  237.252960]  ? graph_lock+0x170/0x170
[  237.256762]  ? print_usage_bug+0xc0/0xc0
[  237.260829]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  237.265597]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.271147]  ? check_preemption_disabled+0x48/0x200
[  237.276169]  ? check_preemption_disabled+0x48/0x200
[  237.281198]  ? __lock_is_held+0xb5/0x140
[  237.285271]  __alloc_pages_nodemask+0xa80/0xde0
[  237.289943]  ? graph_lock+0x170/0x170
[  237.293751]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  237.298767]  ? graph_lock+0x170/0x170
[  237.302583]  ? find_held_lock+0x36/0x1c0
[  237.306658]  ? ____cache_alloc_node+0x1c7/0x1e0
[  237.311331]  ? lock_downgrade+0x900/0x900
[  237.315497]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.321046]  cache_grow_begin+0x91/0x8c0
[  237.325112]  ? do_raw_spin_unlock+0xa7/0x2f0
[  237.329534]  fallback_alloc+0x203/0x2e0
[  237.333522]  ____cache_alloc_node+0x1c7/0x1e0
[  237.338028]  kmem_cache_alloc_node+0xe3/0x730
[  237.342535]  ? ipv6_get_ifaddr+0x42e/0x620
[  237.346787]  __alloc_skb+0x119/0x770
[  237.350521]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  237.355809]  ? skb_scrub_packet+0x490/0x490
[  237.360135]  ? lock_downgrade+0x900/0x900
[  237.364298]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.369842]  ? refcount_sub_and_test_checked+0x203/0x310
[  237.375300]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  237.380755]  ? addrconf_rs_timer+0x6f0/0x6f0
[  237.385183]  ndisc_alloc_skb+0x144/0x340
[  237.389271]  ndisc_send_rs+0x331/0x6e0
[  237.393170]  addrconf_rs_timer+0x3c0/0x6f0
[  237.397425]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  237.401681]  call_timer_fn+0x272/0x920
[  237.405572]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  237.409829]  ? process_timeout+0x40/0x40
[  237.413891]  ? find_held_lock+0x36/0x1c0
[  237.417966]  ? __run_timers+0x7da/0xc70
[  237.421947]  ? _raw_spin_unlock_irq+0x27/0x80
[  237.426448]  ? _raw_spin_unlock_irq+0x27/0x80
[  237.430943]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  237.435179]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  237.439771]  ? trace_hardirqs_on+0xbd/0x310
[  237.444102]  ? kasan_check_read+0x11/0x20
[  237.448253]  ? __run_timers+0x7da/0xc70
[  237.452232]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  237.457690]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  237.461942]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  237.466184]  __run_timers+0x7e5/0xc70
[  237.470007]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  237.475377]  ? compat_start_thread+0x80/0x80
[  237.479800]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.485353]  ? kasan_check_write+0x14/0x20
[  237.489595]  ? finish_task_switch+0x2f5/0x900
[  237.494089]  ? __switch_to_asm+0x40/0x70
[  237.498180]  ? preempt_notifier_register+0x200/0x200
[  237.503286]  ? __switch_to_asm+0x34/0x70
[  237.507352]  ? __switch_to_asm+0x40/0x70
[  237.511441]  ? __switch_to_asm+0x34/0x70
[  237.515503]  ? __switch_to_asm+0x40/0x70
[  237.519563]  ? __switch_to_asm+0x34/0x70
[  237.523622]  ? __switch_to_asm+0x40/0x70
[  237.527694]  ? pvclock_read_flags+0x160/0x160
[  237.532190]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.537737]  ? check_preemption_disabled+0x48/0x200
[  237.542773]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  237.548313]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  237.553596]  ? rcu_pm_notify+0xc0/0xc0
[  237.557500]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.563046]  ? check_preemption_disabled+0x48/0x200
[  237.568083]  run_timer_softirq+0x52/0xb0
[  237.572150]  ? rcu_read_lock_sched_held+0x108/0x120
[  237.577182]  __do_softirq+0x30b/0xad8
[  237.580999]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  237.586118]  ? schedule+0x108/0x460
[  237.589756]  ? __schedule+0x1ed0/0x1ed0
[  237.593738]  ? trace_hardirqs_off+0xb8/0x300
[  237.598155]  ? ___might_sleep+0x1ed/0x300
[  237.602306]  ? smpboot_thread_fn+0x68b/0xa00
[  237.606720]  ? trace_hardirqs_on+0x310/0x310
[  237.611132]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  237.616687]  ? check_preemption_disabled+0x48/0x200
[  237.621705]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.627253]  ? takeover_tasklets+0xa90/0xa90
[  237.631670]  run_ksoftirqd+0x94/0x100
[  237.635478]  smpboot_thread_fn+0x68b/0xa00
[  237.639719]  ? sort_range+0x30/0x30
[  237.643350]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  237.648460]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  237.654002]  ? __kthread_parkme+0xfb/0x1a0
[  237.658249]  kthread+0x35a/0x420
[  237.661620]  ? sort_range+0x30/0x30
[  237.665249]  ? kthread_bind+0x40/0x40
[  237.669056]  ret_from_fork+0x3a/0x50
[  237.672795] CPU: 1 PID: 10110 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
[  237.672801] warn_alloc_show_mem: 1 callbacks suppressed
[  237.672809] Mem-Info:
[  237.680091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  237.685467] active_anon:39159 inactive_anon:1633 isolated_anon:0
[  237.685467]  active_file:15 inactive_file:16 isolated_file:0
[  237.685467]  unevictable:0 dirty:0 writeback:0 unstable:0
[  237.685467]  slab_reclaimable:8773 slab_unreclaimable:1470459
[  237.685467]  mapped:49330 shmem:1666 pagetables:630 bounce:0
[  237.685467]  free:13723 free_pcp:275 free_cma:0
[  237.687852] Call Trace:
[  237.697248] Node 0 active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197320kB dirty:0kB writeback:0kB shmem:6664kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  237.730270]  <IRQ>
[  237.732846] Node 0 
[  237.760521]  dump_stack+0x1c4/0x2b4
[  237.762679] 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
[  237.764888]  ? dump_stack_print_info.cold.2+0x52/0x52
[  237.768494] lowmem_reserve[]:
[  237.794009]  warn_alloc.cold.118+0xb7/0x1bd
[  237.799170]  0
[  237.802283]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  237.806584]  2817
[  237.808393]  ? lock_downgrade+0x900/0x900
[  237.813208]  6321
[  237.815274]  ? trace_hardirqs_off+0xb8/0x300
[  237.819410]  6321
[  237.821480]  ? trace_hardirqs_off+0xb8/0x300
[  237.825860] Node 0 
[  237.827935]  __alloc_pages_slowpath+0x2667/0x2d80
[  237.832348] DMA32 free:25172kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  237.834593]  ? warn_alloc+0x120/0x120
[  237.839392] lowmem_reserve[]:
[  237.866223]  ? trace_hardirqs_on+0x310/0x310
[  237.870007]  0
[  237.873113]  ? warn_alloc+0x120/0x120
[  237.877503]  0
[  237.879429]  ? print_usage_bug+0xc0/0xc0
[  237.883212]  3503
[  237.885021]  ? warn_alloc+0x120/0x120
[  237.889061]  3503
[  237.891124]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  237.896975]  ? print_usage_bug+0xc0/0xc0
[  237.901968] Node 0 Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5408kB pagetables:2520kB bounce:0kB free_pcp:852kB local_pcp:604kB free_cma:0kB
[  237.906060]  ? __lock_acquire+0x7ec/0x4ec0
[  237.906077]  ? __lock_acquire+0x7ec/0x4ec0
[  237.935035] lowmem_reserve[]: 0
[  237.939309]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  237.943505]  0 0
[  237.946799]  ? should_fail+0x22d/0xd01
[  237.952311]  0
[  237.954290]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  237.959960]  ? __lock_acquire+0x7ec/0x4ec0
[  237.965039] Node 0 DMA: 
[  237.969273]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  237.969290]  ? __lock_acquire+0x7ec/0x4ec0
[  237.971945] 1*4kB 
[  237.977053]  ? should_fail+0x22d/0xd01
[  237.981278] (U) 
[  237.983432]  ? print_usage_bug+0xc0/0xc0
[  237.987299] 0*8kB 
[  237.989276]  ? mark_held_locks+0x130/0x130
[  237.993318] 0*16kB 
[  237.995465]  ? mark_held_locks+0x130/0x130
[  237.999687] 1*32kB 
[  238.001931]  ? graph_lock+0x170/0x170
[  238.006167] (U) 
[  238.008402]  ? print_usage_bug+0xc0/0xc0
[  238.012187] 2*64kB 
[  238.014161]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  238.018239] (U) 
[  238.020489]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.025224] 1*128kB (U) 
[  238.027225]  ? check_preemption_disabled+0x48/0x200
[  238.032754] 1*256kB 
[  238.035430]  ? check_preemption_disabled+0x48/0x200
[  238.040428] (U) 
[  238.042757]  ? __lock_is_held+0xb5/0x140
[  238.048171] 0*512kB 1*1024kB 
[  238.050161]  __alloc_pages_nodemask+0xa80/0xde0
[  238.054198] (U) 
[  238.057306]  ? graph_lock+0x170/0x170
[  238.061956] 1*2048kB 
[  238.063932]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  238.067709] (M) 
[  238.070118]  ? graph_lock+0x170/0x170
[  238.075114] 3*4096kB 
[  238.077102]  ? find_held_lock+0x36/0x1c0
[  238.080872] (M) 
[  238.083289]  ? ____cache_alloc_node+0x1c7/0x1e0
[  238.087320] = 15908kB
[  238.089295]  ? lock_downgrade+0x900/0x900
[  238.093946] Node 0 
[  238.096359]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.100481] DMA32: 
[  238.102717]  cache_grow_begin+0x91/0x8c0
[  238.108231] 3*4kB 
[  238.110475]  ? do_raw_spin_unlock+0xa7/0x2f0
[  238.114512] (UM) 
[  238.116666]  fallback_alloc+0x203/0x2e0
[  238.121051] 1*8kB 
[  238.123115]  ____cache_alloc_node+0x1c7/0x1e0
[  238.127063] (U) 
[  238.129214]  kmem_cache_alloc_node+0xe3/0x730
[  238.133691] 4*16kB 
[  238.135664]  ? ipv6_get_ifaddr+0x42e/0x620
[  238.140135] (UM) 
[  238.142378]  __alloc_skb+0x119/0x770
[  238.146594] 2*32kB 
[  238.148663]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  238.152352] (UM) 
[  238.154590]  ? skb_scrub_packet+0x490/0x490
[  238.159843] 3*64kB (UM) 
[  238.161919]  ? lock_downgrade+0x900/0x900
[  238.166211] 4*128kB (UM) 
[  238.168910]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.173030] 3*256kB 
[  238.176124]  ? refcount_sub_and_test_checked+0x203/0x310
[  238.181636] (UM) 
[  238.183956]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  238.189393] 4*512kB 
[  238.191478]  ? addrconf_rs_timer+0x6f0/0x6f0
[  238.196920] (UM) 
[  238.199265]  ndisc_alloc_skb+0x144/0x340
[  238.203640] 3*1024kB (M) 
[  238.205714]  ndisc_send_rs+0x331/0x6e0
[  238.209757] 3*2048kB 
[  238.212523]  addrconf_rs_timer+0x3c0/0x6f0
[  238.216408] (UM) 
[  238.218820]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  238.223038] 3*4096kB 
[  238.225113]  call_timer_fn+0x272/0x920
[  238.229318] (M) 
[  238.231728]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  238.235589] = 25172kB
[  238.235599] Node 0 
[  238.237577]  ? process_timeout+0x40/0x40
[  238.241790] Normal: 
[  238.244204]  ? find_held_lock+0x36/0x1c0
[  238.246429] 979*4kB 
[  238.250496]  ? __run_timers+0x7da/0xc70
[  238.252794] (ME) 
[  238.256854]  ? _raw_spin_unlock_irq+0x27/0x80
[  238.259155] 483*8kB (UME) 
[  238.263162]  ? _raw_spin_unlock_irq+0x27/0x80
[  238.265200] 201*16kB (ME) 
[  238.269706]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  238.272529] 59*32kB 
[  238.277022]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  238.279845] (UME) 
[  238.284078]  ? trace_hardirqs_on+0xbd/0x310
[  238.286385] 15*64kB 
[  238.290967]  ? kasan_check_read+0x11/0x20
[  238.293093] (UM) 
[  238.297413]  ? __run_timers+0x7da/0xc70
[  238.299726] 0*128kB 
[  238.303875]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  238.305914] 0*256kB 0*512kB 
[  238.309910]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  238.312205] 0*1024kB 0*2048kB 
[  238.318152]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  238.320938] 0*4096kB 
[  238.325375]  __run_timers+0x7e5/0xc70
[  238.328554] = 13844kB
[  238.328570] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  238.333035]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  238.335435] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  238.339483]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  238.341888] 1697 total pagecache pages
[  238.341906] 0 pages in swap cache
[  238.341914] Swap cache stats: add 0, delete 0, find 0/0
[  238.341919] Free swap  = 0kB
[  238.341924] Total swap = 0kB
[  238.341938] 1965979 pages RAM
[  238.350886]  ? rcu_bh_qs+0xc0/0xc0
[  238.356230] 0 pages HighMem/MovableOnly
[  238.365042]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.370291] 342744 pages reserved
[  238.370301] 0 pages cma reserved
[  238.374207]  ? check_preemption_disabled+0x48/0x200
[  238.377737] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  238.383007]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  238.386075] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  238.389031]  ? retint_kernel+0x2d/0x2d
[  238.392120] ksoftirqd/0 cpuset=
[  238.395664]  ? trace_hardirqs_on_caller+0xc0/0x300
[  238.399630] /
[  238.405169]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  238.408604]  mems_allowed=0
[  238.411966]  ? trace_hardirqs_off_caller+0x300/0x300
[  238.465047]  ? check_preemption_disabled+0x48/0x200
[  238.470070]  ? graph_lock+0x170/0x170
[  238.473886]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.479435]  ? check_preemption_disabled+0x48/0x200
[  238.484473]  ? __lock_is_held+0xb5/0x140
[  238.488544]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.494086]  ? check_preemption_disabled+0x48/0x200
[  238.499121]  run_timer_softirq+0x52/0xb0
[  238.503190]  ? rcu_read_lock_sched_held+0x108/0x120
[  238.508218]  __do_softirq+0x30b/0xad8
[  238.512036]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  238.517150]  ? pvclock_read_flags+0x160/0x160
[  238.521657]  ? lapic_next_event+0x5a/0x90
[  238.525823]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.531370]  ? check_preemption_disabled+0x48/0x200
[  238.536391]  ? check_preemption_disabled+0x48/0x200
[  238.541425]  ? kvm_clock_read+0x18/0x30
[  238.545406]  ? kvm_sched_clock_read+0x9/0x20
[  238.549831]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.555375]  ? check_preemption_disabled+0x48/0x200
[  238.560416]  irq_exit+0x17f/0x1c0
[  238.563880]  smp_apic_timer_interrupt+0x1cb/0x760
[  238.568732]  ? smp_reschedule_interrupt+0x109/0x650
[  238.573755]  ? smp_call_function_single_interrupt+0x650/0x650
[  238.579644]  ? interrupt_entry+0xb5/0xf0
[  238.583716]  ? trace_hardirqs_off_caller+0xbb/0x300
[  238.588737]  ? trace_hardirqs_off_caller+0xbb/0x300
[  238.593760]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  238.598607]  ? trace_hardirqs_off+0x300/0x300
[  238.603106]  ? trace_hardirqs_off+0x300/0x300
[  238.607626]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.613175]  ? check_preemption_disabled+0x48/0x200
[  238.618454]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.624009]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  238.628869]  apic_timer_interrupt+0xf/0x20
[  238.633108]  </IRQ>
[  238.635365] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  238.640302] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 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 9a 42
[  238.659206] RSP: 0018:ffff88019cfa7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  238.666921] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  238.674236] RDX: 0000000000000000 RSI: ffff88019d338900 RDI: 0000000000000282
[  238.681506] RBP: ffff88019cfa77b0 R08: ffff88019d338080 R09: 0000000000000000
[  238.688774] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  238.696055] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  238.703377]  skb_clone+0x1bb/0x500
[  238.706928]  ? finish_task_switch+0x2f5/0x900
[  238.711442]  ? skb_split+0x11e0/0x11e0
[  238.715335]  ? preempt_notifier_register+0x200/0x200
[  238.720443]  ? __switch_to_asm+0x34/0x70
[  238.724510]  ? __switch_to_asm+0x34/0x70
[  238.728575]  ? __switch_to_asm+0x40/0x70
[  238.732637]  ? __switch_to_asm+0x34/0x70
[  238.736701]  ? __switch_to_asm+0x40/0x70
[  238.740763]  ? __switch_to_asm+0x34/0x70
[  238.744841]  ? __switch_to_asm+0x40/0x70
[  238.748915]  ? __switch_to_asm+0x34/0x70
[  238.752978]  ? __switch_to_asm+0x34/0x70
[  238.757041]  ? __switch_to_asm+0x40/0x70
[  238.761106]  ? __switch_to_asm+0x34/0x70
[  238.765182]  bpf_clone_redirect+0xb9/0x490
[  238.769425]  ? __schedule+0x874/0x1ed0
[  238.773326]  bpf_prog_bebbfe2050753572+0x482/0x1000
[  238.778357]  ? __sched_text_start+0x8/0x8
[  238.782530]  ? find_held_lock+0x36/0x1c0
[  238.786610]  ? lock_acquire+0x1ed/0x520
[  238.790588]  ? bpf_test_run+0x32e/0x5a0
[  238.794572]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.800116]  ? check_preemption_disabled+0x48/0x200
[  238.805147]  ? kasan_check_read+0x11/0x20
[  238.809301]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  238.814580]  ? rcu_bh_qs+0xc0/0xc0
[  238.818143]  ? preempt_schedule+0x4d/0x60
[  238.822296]  ? ___preempt_schedule+0x16/0x18
[  238.826955]  ? bpf_test_run+0x1c0/0x5a0
[  238.830952]  ? netlink_diag_dump+0x2a0/0x2a0
[  238.835396]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  238.840938]  ? bpf_test_init.isra.9+0x70/0x100
[  238.845531]  ? bpf_prog_test_run_skb+0x634/0xb40
[  238.850303]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  238.855153]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  238.860692]  ? fput+0x130/0x1a0
[  238.863976]  ? __bpf_prog_get+0x9b/0x290
[  238.868045]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  238.872891]  ? bpf_prog_test_run+0x130/0x1a0
[  238.877314]  ? __x64_sys_bpf+0x3d8/0x510
[  238.881387]  ? bpf_prog_get+0x20/0x20
[  238.885202]  ? ksys_ioctl+0x81/0xd0
[  238.888845]  ? do_syscall_64+0x1b9/0x820
[  238.892916]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  238.898284]  ? syscall_return_slowpath+0x5e0/0x5e0
[  238.903215]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  238.908154]  ? trace_hardirqs_off+0x300/0x300
[  238.912661]  ? prepare_exit_to_usermode+0x291/0x3b0
[  238.917693]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  238.922553]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  238.927945] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
[  238.928046] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  238.934719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  238.934729] Call Trace:
[  238.941338] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  238.950572]  dump_stack+0x1c4/0x2b4
[  238.953140] syz-executor1 cpuset=
[  238.963624]  ? dump_stack_print_info.cold.2+0x52/0x52
[  238.967238] syz1
[  238.970703]  warn_alloc.cold.118+0xb7/0x1bd
[  238.975865]  mems_allowed=0
[  238.977839]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  238.989910]  ? lock_downgrade+0x900/0x900
[  238.994074]  ? trace_hardirqs_off+0xb8/0x300
[  238.998498]  ? trace_hardirqs_off+0xb8/0x300
[  239.002924]  __alloc_pages_slowpath+0x2667/0x2d80
[  239.007795]  ? mark_held_locks+0x130/0x130
[  239.012040]  ? warn_alloc+0x120/0x120
[  239.015851]  ? warn_alloc+0x120/0x120
[  239.019662]  ? print_usage_bug+0xc0/0xc0
[  239.023725]  ? warn_alloc+0x120/0x120
[  239.027531]  ? print_usage_bug+0xc0/0xc0
[  239.031600]  ? __lock_acquire+0x7ec/0x4ec0
[  239.035842]  ? __lock_acquire+0x7ec/0x4ec0
[  239.040083]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  239.046133]  ? should_fail+0x22d/0xd01
[  239.050032]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  239.055142]  ? __lock_acquire+0x7ec/0x4ec0
[  239.059425]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  239.064531]  ? __lock_acquire+0x7ec/0x4ec0
[  239.068766]  ? should_fail+0x22d/0xd01
[  239.072672]  ? mark_held_locks+0x130/0x130
[  239.076913]  ? mark_held_locks+0x130/0x130
[  239.081151]  ? graph_lock+0x170/0x170
[  239.084954]  ? graph_lock+0x170/0x170
[  239.088761]  ? graph_lock+0x170/0x170
[  239.092563]  ? print_usage_bug+0xc0/0xc0
[  239.096628]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.102178]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.107723]  ? check_preemption_disabled+0x48/0x200
[  239.112745]  ? check_preemption_disabled+0x48/0x200
[  239.117780]  ? __lock_is_held+0xb5/0x140
[  239.121854]  __alloc_pages_nodemask+0xa80/0xde0
[  239.126532]  ? graph_lock+0x170/0x170
[  239.130345]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  239.135367]  ? graph_lock+0x170/0x170
[  239.139190]  ? find_held_lock+0x36/0x1c0
[  239.143269]  ? ____cache_alloc_node+0x1c7/0x1e0
[  239.147950]  ? lock_downgrade+0x900/0x900
[  239.152270]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.157815]  cache_grow_begin+0x91/0x8c0
[  239.161899]  ? do_raw_spin_unlock+0xa7/0x2f0
[  239.166330]  fallback_alloc+0x203/0x2e0
[  239.170314]  ____cache_alloc_node+0x1c7/0x1e0
[  239.174816]  kmem_cache_alloc_node+0xe3/0x730
[  239.179314]  ? ipv6_get_ifaddr+0x42e/0x620
[  239.183564]  __alloc_skb+0x119/0x770
[  239.187284]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  239.192568]  ? skb_scrub_packet+0x490/0x490
[  239.196891]  ? lock_downgrade+0x900/0x900
[  239.201047]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.206597]  ? refcount_sub_and_test_checked+0x203/0x310
[  239.212055]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  239.217509]  ? addrconf_rs_timer+0x6f0/0x6f0
[  239.221934]  ndisc_alloc_skb+0x144/0x340
[  239.226001]  ndisc_send_rs+0x331/0x6e0
[  239.229914]  addrconf_rs_timer+0x3c0/0x6f0
[  239.234161]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  239.238427]  call_timer_fn+0x272/0x920
[  239.242338]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  239.246579]  ? process_timeout+0x40/0x40
[  239.250639]  ? find_held_lock+0x36/0x1c0
[  239.254715]  ? __run_timers+0x7da/0xc70
[  239.258693]  ? _raw_spin_unlock_irq+0x27/0x80
[  239.263187]  ? _raw_spin_unlock_irq+0x27/0x80
[  239.267706]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  239.271943]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  239.276568]  ? trace_hardirqs_on+0xbd/0x310
[  239.280913]  ? kasan_check_read+0x11/0x20
[  239.285092]  ? __run_timers+0x7da/0xc70
[  239.289079]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  239.294538]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  239.298778]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  239.303018]  __run_timers+0x7e5/0xc70
[  239.306836]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  239.312201]  ? compat_start_thread+0x80/0x80
[  239.316613]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.322161]  ? kasan_check_write+0x14/0x20
[  239.326414]  ? finish_task_switch+0x2f5/0x900
[  239.330912]  ? __switch_to_asm+0x40/0x70
[  239.334979]  ? preempt_notifier_register+0x200/0x200
[  239.340082]  ? __switch_to_asm+0x34/0x70
[  239.344141]  ? __switch_to_asm+0x40/0x70
[  239.348202]  ? __switch_to_asm+0x34/0x70
[  239.352259]  ? __switch_to_asm+0x40/0x70
[  239.356319]  ? __switch_to_asm+0x34/0x70
[  239.360384]  ? __switch_to_asm+0x40/0x70
[  239.364460]  ? pvclock_read_flags+0x160/0x160
[  239.368959]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.374499]  ? check_preemption_disabled+0x48/0x200
[  239.379529]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  239.385067]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  239.390350]  ? rcu_pm_notify+0xc0/0xc0
[  239.394253]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.399808]  ? check_preemption_disabled+0x48/0x200
[  239.404848]  run_timer_softirq+0x52/0xb0
[  239.408913]  ? rcu_read_lock_sched_held+0x108/0x120
[  239.413940]  __do_softirq+0x30b/0xad8
[  239.417753]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  239.422868]  ? schedule+0x108/0x460
[  239.426499]  ? __schedule+0x1ed0/0x1ed0
[  239.430493]  ? trace_hardirqs_off+0xb8/0x300
[  239.434903]  ? ___might_sleep+0x1ed/0x300
[  239.439054]  ? smpboot_thread_fn+0x68b/0xa00
[  239.443479]  ? trace_hardirqs_on+0x310/0x310
[  239.447891]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  239.453436]  ? check_preemption_disabled+0x48/0x200
[  239.458455]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.463998]  ? takeover_tasklets+0xa90/0xa90
[  239.468421]  run_ksoftirqd+0x94/0x100
[  239.472220]  smpboot_thread_fn+0x68b/0xa00
[  239.476456]  ? sort_range+0x30/0x30
[  239.480097]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  239.485200]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  239.490741]  ? __kthread_parkme+0xfb/0x1a0
[  239.494985]  kthread+0x35a/0x420
[  239.498350]  ? sort_range+0x30/0x30
[  239.501982]  ? kthread_bind+0x40/0x40
[  239.505786]  ret_from_fork+0x3a/0x50
[  239.509522] CPU: 1 PID: 10110 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
[  239.509528] warn_alloc_show_mem: 1 callbacks suppressed
[  239.509536] Mem-Info:
[  239.516833] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  239.522219] active_anon:39159 inactive_anon:1633 isolated_anon:0
[  239.522219]  active_file:15 inactive_file:16 isolated_file:0
[  239.522219]  unevictable:0 dirty:0 writeback:0 unstable:0
[  239.522219]  slab_reclaimable:8773 slab_unreclaimable:1470459
[  239.522219]  mapped:49330 shmem:1666 pagetables:630 bounce:0
[  239.522219]  free:13723 free_pcp:275 free_cma:0
[  239.524607] Call Trace:
[  239.534000] Node 0 active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197320kB dirty:0kB writeback:0kB shmem:6664kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  239.567024]  <IRQ>
[  239.569600] Node 0 
[  239.597271]  dump_stack+0x1c4/0x2b4
[  239.599431] 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
[  239.601644]  ? dump_stack_print_info.cold.2+0x52/0x52
[  239.605241] lowmem_reserve[]: 0
[  239.630783]  warn_alloc.cold.118+0xb7/0x1bd
[  239.635947]  2817
[  239.639227]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  239.643527]  6321
[  239.645589]  ? lock_downgrade+0x900/0x900
[  239.650407]  6321
[  239.652487]  ? trace_hardirqs_off+0xb8/0x300
[  239.656609] Node 0 
[  239.658672]  ? trace_hardirqs_off+0xb8/0x300
[  239.663091] DMA32 free:25172kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  239.665309]  __alloc_pages_slowpath+0x2667/0x2d80
[  239.669682] lowmem_reserve[]: 0
[  239.696429]  ? warn_alloc+0x120/0x120
[  239.701232]  0
[  239.704512]  ? trace_hardirqs_on+0x310/0x310
[  239.708292]  3503
[  239.710094]  ? warn_alloc+0x120/0x120
[  239.714480]  3503
[  239.716547]  ? print_usage_bug+0xc0/0xc0
[  239.722384]  ? warn_alloc+0x120/0x120
[  239.726440] Node 0 
[  239.730232]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  239.730269] Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5408kB pagetables:2520kB bounce:0kB free_pcp:852kB local_pcp:604kB free_cma:0kB
[  239.732478]  ? print_usage_bug+0xc0/0xc0
[  239.737469] lowmem_reserve[]: 0
[  239.765862]  ? __lock_acquire+0x7ec/0x4ec0
[  239.769898]  0 0 0
[  239.769916] Node 0 DMA: 1*4kB 
[  239.773211]  ? __lock_acquire+0x7ec/0x4ec0
[  239.777432] (U) 
[  239.779581]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  239.782751] 0*8kB 
[  239.786989]  ? should_fail+0x22d/0xd01
[  239.788943] 0*16kB 
[  239.794474]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  239.796601] 1*32kB 
[  239.800485]  ? __lock_acquire+0x7ec/0x4ec0
[  239.802698] (U) 
[  239.807800]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  239.810008] 2*64kB (U) 
[  239.814247]  ? __lock_acquire+0x7ec/0x4ec0
[  239.816203] 1*128kB 
[  239.821301]  ? should_fail+0x22d/0xd01
[  239.823864] (U) 
[  239.828099]  ? print_usage_bug+0xc0/0xc0
[  239.830410] 1*256kB 
[  239.834304]  ? mark_held_locks+0x130/0x130
[  239.836271] (U) 
[  239.840328]  ? mark_held_locks+0x130/0x130
[  239.842632] 0*512kB 
[  239.846864]  ? graph_lock+0x170/0x170
[  239.848809] 1*1024kB (U) 
[  239.853048]  ? print_usage_bug+0xc0/0xc0
[  239.855352] 1*2048kB 
[  239.859146]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  239.861878] (M) 
[  239.865946]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.868334] 3*4096kB 
[  239.873087]  ? check_preemption_disabled+0x48/0x200
[  239.875039] (M) 
[  239.880572]  ? check_preemption_disabled+0x48/0x200
[  239.882955] = 15908kB
[  239.882964] Node 0 
[  239.887988]  ? __lock_is_held+0xb5/0x140
[  239.889941] DMA32: 
[  239.894955]  __alloc_pages_nodemask+0xa80/0xde0
[  239.897341] 3*4kB 
[  239.899575]  ? graph_lock+0x170/0x170
[  239.903615] (UM) 
[  239.905869]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  239.910518] 1*8kB 
[  239.912667]  ? graph_lock+0x170/0x170
[  239.916442] (U) 4*16kB 
[  239.918519]  ? find_held_lock+0x36/0x1c0
[  239.923510] (UM) 
[  239.925662]  ? ____cache_alloc_node+0x1c7/0x1e0
[  239.929427] 2*32kB (UM) 
[  239.932016]  ? lock_downgrade+0x900/0x900
[  239.936048] 3*64kB (UM) 
[  239.938120]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.942765] 4*128kB 
[  239.945436]  cache_grow_begin+0x91/0x8c0
[  239.949559] (UM) 
[  239.952228]  ? do_raw_spin_unlock+0xa7/0x2f0
[  239.957752] 3*256kB 
[  239.960075]  fallback_alloc+0x203/0x2e0
[  239.964109] (UM) 
[  239.966176]  ____cache_alloc_node+0x1c7/0x1e0
[  239.970562] 4*512kB 
[  239.972881]  kmem_cache_alloc_node+0xe3/0x730
[  239.976831] (UM) 
[  239.978895]  ? ipv6_get_ifaddr+0x42e/0x620
[  239.983360] 3*1024kB (M) 
[  239.985722]  __alloc_skb+0x119/0x770
[  239.990185] 3*2048kB (UM) 
[  239.992257]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  239.996461] 3*4096kB (M) 
[  239.999224]  ? skb_scrub_packet+0x490/0x490
[  240.002927] = 25172kB
[  240.005770]  ? lock_downgrade+0x900/0x900
[  240.011033] Node 0 
[  240.013789]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.018076] Normal: 979*4kB 
[  240.020495]  ? refcount_sub_and_test_checked+0x203/0x310
[  240.024654] (ME) 
[  240.026890]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  240.032400] 483*8kB 
[  240.035427]  ? addrconf_rs_timer+0x6f0/0x6f0
[  240.040851] (UME) 
[  240.042927]  ndisc_alloc_skb+0x144/0x340
[  240.048343] 201*16kB 
[  240.050666]  ndisc_send_rs+0x331/0x6e0
[  240.055050] (ME) 
[  240.057210]  addrconf_rs_timer+0x3c0/0x6f0
[  240.061240] 59*32kB (UME) 
[  240.063953]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  240.067813] 15*64kB (UM) 
[  240.069894]  call_timer_fn+0x272/0x920
[  240.074092] 0*128kB 0*256kB 
[  240.076953]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  240.081170] 0*512kB 
[  240.083939]  ? process_timeout+0x40/0x40
[  240.087797] 0*1024kB 0*2048kB 
[  240.090826]  ? find_held_lock+0x36/0x1c0
[  240.095033] 0*4096kB = 13844kB
[  240.097368]  ? __run_timers+0x7da/0xc70
[  240.101425] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  240.104608]  ? _raw_spin_unlock_irq+0x27/0x80
[  240.108650] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  240.111835]  ? _raw_spin_unlock_irq+0x27/0x80
[  240.115790] 1697 total pagecache pages
[  240.124627]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  240.129103] 0 pages in swap cache
[  240.137672]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  240.142147] Swap cache stats: add 0, delete 0, find 0/0
[  240.146031]  ? trace_hardirqs_on+0xbd/0x310
[  240.150247] Free swap  = 0kB
[  240.153696]  ? kasan_check_read+0x11/0x20
[  240.153715]  ? __run_timers+0x7da/0xc70
[  240.158278] Total swap = 0kB
[  240.163643]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  240.167942] 1965979 pages RAM
[  240.170994]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  240.175115] 0 pages HighMem/MovableOnly
[  240.175124] 342744 pages reserved
[  240.179107]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  240.182109] 0 pages cma reserved
[  240.187562]  __run_timers+0x7e5/0xc70
[  240.190732] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  240.194893]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  240.198935] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  240.202294]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  240.206504] ksoftirqd/0 cpuset=
[  240.209865]  ? rcu_bh_qs+0xc0/0xc0
[  240.213657] /
[  240.220149]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.225491]  mems_allowed=0
[  240.235802]  ? check_preemption_disabled+0x48/0x200
[  240.263017]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  240.267780]  ? retint_kernel+0x2d/0x2d
[  240.271672]  ? trace_hardirqs_on_caller+0xc0/0x300
[  240.276618]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  240.281376]  ? trace_hardirqs_off_caller+0x300/0x300
[  240.286488]  ? check_preemption_disabled+0x48/0x200
[  240.291510]  ? graph_lock+0x170/0x170
[  240.295320]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.300862]  ? check_preemption_disabled+0x48/0x200
[  240.305897]  ? __lock_is_held+0xb5/0x140
[  240.309967]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.315512]  ? check_preemption_disabled+0x48/0x200
[  240.320545]  run_timer_softirq+0x52/0xb0
[  240.324609]  ? rcu_read_lock_sched_held+0x108/0x120
[  240.329641]  __do_softirq+0x30b/0xad8
[  240.333458]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  240.338570]  ? pvclock_read_flags+0x160/0x160
[  240.343070]  ? lapic_next_event+0x5a/0x90
[  240.347220]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.352760]  ? check_preemption_disabled+0x48/0x200
[  240.357778]  ? check_preemption_disabled+0x48/0x200
[  240.362803]  ? kvm_clock_read+0x18/0x30
[  240.366778]  ? kvm_sched_clock_read+0x9/0x20
[  240.371194]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.376734]  ? check_preemption_disabled+0x48/0x200
[  240.381768]  irq_exit+0x17f/0x1c0
[  240.385232]  smp_apic_timer_interrupt+0x1cb/0x760
[  240.390075]  ? smp_reschedule_interrupt+0x109/0x650
[  240.395117]  ? smp_call_function_single_interrupt+0x650/0x650
[  240.401019]  ? interrupt_entry+0xb5/0xf0
[  240.405084]  ? trace_hardirqs_off_caller+0xbb/0x300
[  240.410098]  ? trace_hardirqs_off_caller+0xbb/0x300
[  240.415118]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  240.419964]  ? trace_hardirqs_off+0x300/0x300
[  240.424461]  ? trace_hardirqs_off+0x300/0x300
[  240.428959]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.434503]  ? check_preemption_disabled+0x48/0x200
[  240.439522]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.445071]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  240.449990]  apic_timer_interrupt+0xf/0x20
[  240.454220]  </IRQ>
[  240.456474] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  240.461411] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 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 9a 42
[  240.480315] RSP: 0018:ffff88019cfa7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  240.488026] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  240.496577] RDX: 0000000000000000 RSI: ffff88019d338900 RDI: 0000000000000282
[  240.504682] RBP: ffff88019cfa77b0 R08: ffff88019d338080 R09: 0000000000000000
[  240.512166] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  240.519465] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  240.526790]  skb_clone+0x1bb/0x500
[  240.530336]  ? finish_task_switch+0x2f5/0x900
[  240.534836]  ? skb_split+0x11e0/0x11e0
[  240.538728]  ? preempt_notifier_register+0x200/0x200
[  240.543842]  ? __switch_to_asm+0x34/0x70
[  240.547927]  ? __switch_to_asm+0x34/0x70
[  240.551985]  ? __switch_to_asm+0x40/0x70
[  240.556042]  ? __switch_to_asm+0x34/0x70
[  240.560106]  ? __switch_to_asm+0x40/0x70
[  240.564178]  ? __switch_to_asm+0x34/0x70
[  240.568236]  ? __switch_to_asm+0x40/0x70
[  240.572293]  ? __switch_to_asm+0x34/0x70
[  240.576352]  ? __switch_to_asm+0x34/0x70
[  240.580416]  ? __switch_to_asm+0x40/0x70
[  240.584481]  ? __switch_to_asm+0x34/0x70
[  240.588579]  bpf_clone_redirect+0xb9/0x490
[  240.592841]  ? __schedule+0x874/0x1ed0
[  240.596732]  bpf_prog_bebbfe2050753572+0x482/0x1000
[  240.601751]  ? __sched_text_start+0x8/0x8
[  240.605936]  ? find_held_lock+0x36/0x1c0
[  240.610005]  ? lock_acquire+0x1ed/0x520
[  240.613985]  ? bpf_test_run+0x32e/0x5a0
[  240.617962]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.623507]  ? check_preemption_disabled+0x48/0x200
[  240.628562]  ? kasan_check_read+0x11/0x20
[  240.632715]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  240.638008]  ? rcu_bh_qs+0xc0/0xc0
[  240.641576]  ? preempt_schedule+0x4d/0x60
[  240.645729]  ? ___preempt_schedule+0x16/0x18
[  240.650151]  ? bpf_test_run+0x1c0/0x5a0
[  240.654136]  ? netlink_diag_dump+0x2a0/0x2a0
[  240.658574]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  240.664110]  ? bpf_test_init.isra.9+0x70/0x100
[  240.668699]  ? bpf_prog_test_run_skb+0x634/0xb40
[  240.673465]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  240.678311]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  240.683858]  ? fput+0x130/0x1a0
[  240.687141]  ? __bpf_prog_get+0x9b/0x290
[  240.691204]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  240.696048]  ? bpf_prog_test_run+0x130/0x1a0
[  240.700460]  ? __x64_sys_bpf+0x3d8/0x510
[  240.704523]  ? bpf_prog_get+0x20/0x20
[  240.708332]  ? ksys_ioctl+0x81/0xd0
[  240.711971]  ? do_syscall_64+0x1b9/0x820
[  240.716032]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  240.721401]  ? syscall_return_slowpath+0x5e0/0x5e0
[  240.726333]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  240.731177]  ? trace_hardirqs_off+0x300/0x300
[  240.735677]  ? prepare_exit_to_usermode+0x291/0x3b0
[  240.740703]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  240.745560]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  240.750947] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
[  240.751039] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  240.757715] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  240.757721] Call Trace:
[  240.757741]  dump_stack+0x1c4/0x2b4
[  240.757758]  ? dump_stack_print_info.cold.2+0x52/0x52
[  240.757785]  warn_alloc.cold.118+0xb7/0x1bd
[  240.764318] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  240.773609]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  240.776176] syz-executor1 cpuset=
[  240.779799]  ? lock_downgrade+0x900/0x900
[  240.784964] syz1
[  240.789290]  ? trace_hardirqs_off+0xb8/0x300
[  240.799757]  mems_allowed=0
[  240.804599]  ? trace_hardirqs_off+0xb8/0x300
[  240.825852]  __alloc_pages_slowpath+0x2667/0x2d80
[  240.830720]  ? mark_held_locks+0x130/0x130
[  240.834962]  ? warn_alloc+0x120/0x120
[  240.838771]  ? warn_alloc+0x120/0x120
[  240.842575]  ? print_usage_bug+0xc0/0xc0
[  240.846637]  ? warn_alloc+0x120/0x120
[  240.850441]  ? print_usage_bug+0xc0/0xc0
[  240.854505]  ? __lock_acquire+0x7ec/0x4ec0
[  240.858750]  ? __lock_acquire+0x7ec/0x4ec0
[  240.862991]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  240.868534]  ? should_fail+0x22d/0xd01
[  240.872437]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  240.877550]  ? __lock_acquire+0x7ec/0x4ec0
[  240.881795]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  240.886899]  ? __lock_acquire+0x7ec/0x4ec0
[  240.891133]  ? should_fail+0x22d/0xd01
[  240.895021]  ? print_usage_bug+0xc0/0xc0
[  240.899106]  ? mark_held_locks+0x130/0x130
[  240.903347]  ? mark_held_locks+0x130/0x130
[  240.907601]  ? graph_lock+0x170/0x170
[  240.911422]  ? print_usage_bug+0xc0/0xc0
[  240.915489]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  240.920249]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.925791]  ? check_preemption_disabled+0x48/0x200
[  240.930813]  ? check_preemption_disabled+0x48/0x200
[  240.935842]  ? __lock_is_held+0xb5/0x140
[  240.939914]  __alloc_pages_nodemask+0xa80/0xde0
[  240.944590]  ? graph_lock+0x170/0x170
[  240.948423]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  240.953440]  ? graph_lock+0x170/0x170
[  240.957256]  ? find_held_lock+0x36/0x1c0
[  240.961330]  ? ____cache_alloc_node+0x1c7/0x1e0
[  240.966000]  ? lock_downgrade+0x900/0x900
[  240.970154]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.975702]  cache_grow_begin+0x91/0x8c0
[  240.979766]  ? do_raw_spin_unlock+0xa7/0x2f0
[  240.984185]  fallback_alloc+0x203/0x2e0
[  240.988168]  ____cache_alloc_node+0x1c7/0x1e0
[  240.992670]  kmem_cache_alloc_node+0xe3/0x730
[  240.997168]  ? ipv6_get_ifaddr+0x42e/0x620
[  241.001426]  __alloc_skb+0x119/0x770
[  241.005147]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  241.010430]  ? skb_scrub_packet+0x490/0x490
[  241.014772]  ? lock_downgrade+0x900/0x900
[  241.018961]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.024536]  ? refcount_sub_and_test_checked+0x203/0x310
[  241.030527]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  241.035981]  ? addrconf_rs_timer+0x6f0/0x6f0
[  241.040418]  ndisc_alloc_skb+0x144/0x340
[  241.044986]  ndisc_send_rs+0x331/0x6e0
[  241.048919]  addrconf_rs_timer+0x3c0/0x6f0
[  241.053174]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  241.057444]  call_timer_fn+0x272/0x920
[  241.061347]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  241.065590]  ? process_timeout+0x40/0x40
[  241.069650]  ? find_held_lock+0x36/0x1c0
[  241.073722]  ? __run_timers+0x7da/0xc70
[  241.077739]  ? _raw_spin_unlock_irq+0x27/0x80
[  241.082233]  ? _raw_spin_unlock_irq+0x27/0x80
[  241.086743]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  241.090978]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  241.095564]  ? trace_hardirqs_on+0xbd/0x310
[  241.099892]  ? kasan_check_read+0x11/0x20
[  241.104043]  ? __run_timers+0x7da/0xc70
[  241.109010]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  241.114484]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  241.118740]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  241.122975]  __run_timers+0x7e5/0xc70
[  241.126793]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  241.132164]  ? compat_start_thread+0x80/0x80
[  241.136578]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.142128]  ? kasan_check_write+0x14/0x20
[  241.146369]  ? finish_task_switch+0x2f5/0x900
[  241.150881]  ? __switch_to_asm+0x40/0x70
[  241.155173]  ? preempt_notifier_register+0x200/0x200
[  241.160280]  ? __switch_to_asm+0x34/0x70
[  241.164337]  ? __switch_to_asm+0x40/0x70
[  241.168400]  ? __switch_to_asm+0x34/0x70
[  241.172499]  ? __switch_to_asm+0x40/0x70
[  241.176562]  ? __switch_to_asm+0x34/0x70
[  241.180620]  ? __switch_to_asm+0x40/0x70
[  241.184693]  ? pvclock_read_flags+0x160/0x160
[  241.189191]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.194735]  ? check_preemption_disabled+0x48/0x200
[  241.199766]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  241.205304]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  241.210589]  ? rcu_pm_notify+0xc0/0xc0
[  241.214489]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.220029]  ? check_preemption_disabled+0x48/0x200
[  241.225060]  run_timer_softirq+0x52/0xb0
[  241.229122]  ? rcu_read_lock_sched_held+0x108/0x120
[  241.234141]  __do_softirq+0x30b/0xad8
[  241.237958]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  241.243104]  ? schedule+0x108/0x460
[  241.246738]  ? __schedule+0x1ed0/0x1ed0
[  241.250727]  ? trace_hardirqs_off+0xb8/0x300
[  241.255142]  ? ___might_sleep+0x1ed/0x300
[  241.259287]  ? smpboot_thread_fn+0x68b/0xa00
[  241.263700]  ? trace_hardirqs_on+0x310/0x310
[  241.268112]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  241.273654]  ? check_preemption_disabled+0x48/0x200
[  241.278673]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.284218]  ? takeover_tasklets+0xa90/0xa90
[  241.288631]  run_ksoftirqd+0x94/0x100
[  241.292449]  smpboot_thread_fn+0x68b/0xa00
[  241.296691]  ? sort_range+0x30/0x30
[  241.300323]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  241.305432]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  241.310970]  ? __kthread_parkme+0xfb/0x1a0
[  241.315214]  kthread+0x35a/0x420
[  241.318580]  ? sort_range+0x30/0x30
[  241.322206]  ? kthread_bind+0x40/0x40
[  241.326012]  ret_from_fork+0x3a/0x50
[  241.329753] CPU: 1 PID: 10110 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
[  241.329759] warn_alloc_show_mem: 1 callbacks suppressed
[  241.329766] Mem-Info:
[  241.337050] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  241.342428] active_anon:39159 inactive_anon:1633 isolated_anon:0
[  241.342428]  active_file:15 inactive_file:16 isolated_file:0
[  241.342428]  unevictable:0 dirty:0 writeback:0 unstable:0
[  241.342428]  slab_reclaimable:8773 slab_unreclaimable:1470459
[  241.342428]  mapped:49330 shmem:1666 pagetables:630 bounce:0
[  241.342428]  free:13723 free_pcp:275 free_cma:0
[  241.344799] Call Trace:
[  241.354162] Node 0 active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197320kB dirty:0kB writeback:0kB shmem:6664kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  241.354201] Node 0 
[  241.387247]  <IRQ>
[  241.389846] 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
[  241.417495]  dump_stack+0x1c4/0x2b4
[  241.419713] lowmem_reserve[]:
[  241.421863]  ? dump_stack_print_info.cold.2+0x52/0x52
[  241.447347]  0
[  241.450993]  warn_alloc.cold.118+0xb7/0x1bd
[  241.454064]  2817
[  241.459252]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  241.461029]  6321 6321
[  241.465358]  ? lock_downgrade+0x900/0x900
[  241.467410] Node 0 
[  241.472248]  ? trace_hardirqs_off+0xb8/0x300
[  241.474745] DMA32 free:25172kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  241.478892]  ? trace_hardirqs_off+0xb8/0x300
[  241.481109] lowmem_reserve[]: 0
[  241.485530]  __alloc_pages_slowpath+0x2667/0x2d80
[  241.512214]  0 3503
[  241.516658]  ? warn_alloc+0x120/0x120
[  241.519882]  3503
[  241.524735]  ? warn_alloc+0x120/0x120
[  241.526949] Node 0 
[  241.530762]  ? print_usage_bug+0xc0/0xc0
[  241.532827] Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5408kB pagetables:2520kB bounce:0kB free_pcp:852kB local_pcp:604kB free_cma:0kB
[  241.536600]  ? warn_alloc+0x120/0x120
[  241.538820] lowmem_reserve[]: 0
[  241.542895]  ? print_usage_bug+0xc0/0xc0
[  241.571250]  0
[  241.575051]  ? __lock_acquire+0x7ec/0x4ec0
[  241.578301]  0 0
[  241.582382]  ? __lock_acquire+0x7ec/0x4ec0
[  241.584176] Node 0 
[  241.588413]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  241.590369] DMA: 
[  241.594634]  ? should_fail+0x22d/0xd01
[  241.596859] 1*4kB 
[  241.602405]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  241.604450] (U) 
[  241.608333]  ? __lock_acquire+0x7ec/0x4ec0
[  241.610461] 0*8kB 
[  241.615571]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  241.617518] 0*16kB 1*32kB 
[  241.621754]  ? __lock_acquire+0x7ec/0x4ec0
[  241.623884] (U) 
[  241.628987]  ? should_fail+0x22d/0xd01
[  241.631817] 2*64kB (U) 
[  241.636077]  ? mark_held_locks+0x130/0x130
[  241.638035] 1*128kB 
[  241.641922]  ? mark_held_locks+0x130/0x130
[  241.644480] (U) 
[  241.648713]  ? graph_lock+0x170/0x170
[  241.651018] 1*256kB (U) 
[  241.655260]  ? graph_lock+0x170/0x170
[  241.657217] 0*512kB 
[  241.661015]  ? graph_lock+0x170/0x170
[  241.663670] 1*1024kB 
[  241.667492]  ? print_usage_bug+0xc0/0xc0
[  241.669818] (U) 
[  241.673620]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.676005] 1*2048kB (M) 
[  241.680073]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.682030] 3*4096kB 
[  241.687567]  ? check_preemption_disabled+0x48/0x200
[  241.690295] (M) = 15908kB
[  241.695839]  ? check_preemption_disabled+0x48/0x200
[  241.698225] Node 0 
[  241.703243]  ? __lock_is_held+0xb5/0x140
[  241.705975] DMA32: 
[  241.710990]  __alloc_pages_nodemask+0xa80/0xde0
[  241.713205] 3*4kB 
[  241.717267]  ? graph_lock+0x170/0x170
[  241.719488] (UM) 
[  241.724156]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  241.726286] 1*8kB 
[  241.730080]  ? graph_lock+0x170/0x170
[  241.732125] (U) 
[  241.737142]  ? find_held_lock+0x36/0x1c0
[  241.739269] 4*16kB (UM) 
[  241.743102]  ? ____cache_alloc_node+0x1c7/0x1e0
[  241.745052] 2*32kB 
[  241.749113]  ? lock_downgrade+0x900/0x900
[  241.751761] (UM) 
[  241.756431]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.758655] 3*64kB 
[  241.762799]  cache_grow_begin+0x91/0x8c0
[  241.764837] (UM) 
[  241.770372]  ? do_raw_spin_unlock+0xa7/0x2f0
[  241.772586] 4*128kB 
[  241.776654]  fallback_alloc+0x203/0x2e0
[  241.778693] (UM) 
[  241.783100]  ____cache_alloc_node+0x1c7/0x1e0
[  241.785400] 3*256kB 
[  241.789383]  kmem_cache_alloc_node+0xe3/0x730
[  241.791418] (UM) 
[  241.795936]  ? ipv6_get_ifaddr+0x42e/0x620
[  241.798225] 4*512kB (UM) 
[  241.802759]  __alloc_skb+0x119/0x770
[  241.804793] 3*1024kB (M) 
[  241.809051]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  241.811784] 3*2048kB 
[  241.815492]  ? skb_scrub_packet+0x490/0x490
[  241.818227] (UM) 
[  241.823519]  ? lock_downgrade+0x900/0x900
[  241.825902] 3*4096kB (M) = 25172kB
[  241.830239]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.832277] Node 0 
[  241.836419]  ? refcount_sub_and_test_checked+0x203/0x310
[  241.836439]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  241.839954] Normal: 979*4kB 
[  241.845500]  ? addrconf_rs_timer+0x6f0/0x6f0
[  241.847712] (ME) 
[  241.853168]  ndisc_alloc_skb+0x144/0x340
[  241.858592] 483*8kB 
[  241.861609]  ndisc_send_rs+0x331/0x6e0
[  241.865988] (UME) 201*16kB 
[  241.868064]  addrconf_rs_timer+0x3c0/0x6f0
[  241.872101] (ME) 
[  241.874429]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  241.878294] 59*32kB 
[  241.881235]  call_timer_fn+0x272/0x920
[  241.885430] (UME) 15*64kB 
[  241.887510]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  241.891718] (UM) 0*128kB 
[  241.894055]  ? process_timeout+0x40/0x40
[  241.897911] 0*256kB 0*512kB 
[  241.900764]  ? find_held_lock+0x36/0x1c0
[  241.904976] 0*1024kB 
[  241.907738]  ? __run_timers+0x7da/0xc70
[  241.911766] 0*2048kB 0*4096kB 
[  241.914797]  ? _raw_spin_unlock_irq+0x27/0x80
[  241.918833] = 13844kB
[  241.921238]  ? _raw_spin_unlock_irq+0x27/0x80
[  241.925200] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  241.928392]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  241.932864] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  241.935265]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  241.939739] 1697 total pagecache pages
[  241.948573]  ? trace_hardirqs_on+0xbd/0x310
[  241.952792] 0 pages in swap cache
[  241.961364]  ? kasan_check_read+0x11/0x20
[  241.965921] Swap cache stats: add 0, delete 0, find 0/0
[  241.969800]  ? __run_timers+0x7da/0xc70
[  241.974099] Free swap  = 0kB
[  241.977550]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  241.981672] Total swap = 0kB
[  241.981681] 1965979 pages RAM
[  241.987047]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  241.990993] 0 pages HighMem/MovableOnly
[  241.991003] 342744 pages reserved
[  241.994022]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  241.999449] 0 pages cma reserved
[  242.002468]  __run_timers+0x7e5/0xc70
[  242.005636] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  242.009789]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  242.009806]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  242.009823]  ? rcu_bh_qs+0xc0/0xc0
[  242.013850] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  242.017231]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.021441] ksoftirqd/0 cpuset=
[  242.024810]  ? check_preemption_disabled+0x48/0x200
[  242.028584] /
[  242.035115]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  242.040466]  mems_allowed=0
[  242.045743]  ? retint_kernel+0x2d/0x2d
[  242.086608]  ? trace_hardirqs_on_caller+0xc0/0x300
[  242.091546]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  242.096312]  ? trace_hardirqs_off_caller+0x300/0x300
[  242.101421]  ? check_preemption_disabled+0x48/0x200
[  242.106442]  ? graph_lock+0x170/0x170
[  242.110255]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.115803]  ? check_preemption_disabled+0x48/0x200
[  242.120837]  ? __lock_is_held+0xb5/0x140
[  242.124901]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.130451]  ? check_preemption_disabled+0x48/0x200
[  242.135477]  run_timer_softirq+0x52/0xb0
[  242.139546]  ? rcu_read_lock_sched_held+0x108/0x120
[  242.144573]  __do_softirq+0x30b/0xad8
[  242.148387]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  242.153502]  ? pvclock_read_flags+0x160/0x160
[  242.158018]  ? lapic_next_event+0x5a/0x90
[  242.162165]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.167705]  ? check_preemption_disabled+0x48/0x200
[  242.172725]  ? check_preemption_disabled+0x48/0x200
[  242.177850]  ? kvm_clock_read+0x18/0x30
[  242.181867]  ? kvm_sched_clock_read+0x9/0x20
[  242.186294]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.191832]  ? check_preemption_disabled+0x48/0x200
[  242.196871]  irq_exit+0x17f/0x1c0
[  242.200338]  smp_apic_timer_interrupt+0x1cb/0x760
[  242.205183]  ? smp_reschedule_interrupt+0x109/0x650
[  242.210223]  ? smp_call_function_single_interrupt+0x650/0x650
[  242.216108]  ? interrupt_entry+0xb5/0xf0
[  242.220211]  ? trace_hardirqs_off_caller+0xbb/0x300
[  242.225239]  ? trace_hardirqs_off_caller+0xbb/0x300
[  242.230261]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  242.235106]  ? trace_hardirqs_off+0x300/0x300
[  242.239601]  ? trace_hardirqs_off+0x300/0x300
[  242.244103]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.249644]  ? check_preemption_disabled+0x48/0x200
[  242.254664]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.260212]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  242.265067]  apic_timer_interrupt+0xf/0x20
[  242.269300]  </IRQ>
[  242.271570] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  242.276516] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 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 9a 42
[  242.295444] RSP: 0018:ffff88019cfa7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  242.303152] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  242.310423] RDX: 0000000000000000 RSI: ffff88019d338900 RDI: 0000000000000282
[  242.317687] RBP: ffff88019cfa77b0 R08: ffff88019d338080 R09: 0000000000000000
[  242.325077] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  242.332359] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  242.339678]  skb_clone+0x1bb/0x500
[  242.343224]  ? finish_task_switch+0x2f5/0x900
[  242.347722]  ? skb_split+0x11e0/0x11e0
[  242.351616]  ? preempt_notifier_register+0x200/0x200
[  242.356720]  ? __switch_to_asm+0x34/0x70
[  242.360780]  ? __switch_to_asm+0x34/0x70
[  242.364841]  ? __switch_to_asm+0x40/0x70
[  242.368899]  ? __switch_to_asm+0x34/0x70
[  242.372988]  ? __switch_to_asm+0x40/0x70
[  242.377045]  ? __switch_to_asm+0x34/0x70
[  242.381103]  ? __switch_to_asm+0x40/0x70
[  242.385175]  ? __switch_to_asm+0x34/0x70
[  242.389235]  ? __switch_to_asm+0x34/0x70
[  242.393298]  ? __switch_to_asm+0x40/0x70
[  242.397364]  ? __switch_to_asm+0x34/0x70
[  242.401455]  bpf_clone_redirect+0xb9/0x490
[  242.405698]  ? __schedule+0x874/0x1ed0
[  242.409592]  bpf_prog_bebbfe2050753572+0x482/0x1000
[  242.414615]  ? __sched_text_start+0x8/0x8
[  242.418782]  ? find_held_lock+0x36/0x1c0
[  242.422855]  ? lock_acquire+0x1ed/0x520
[  242.426854]  ? bpf_test_run+0x32e/0x5a0
[  242.430854]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.436392]  ? check_preemption_disabled+0x48/0x200
[  242.441420]  ? kasan_check_read+0x11/0x20
[  242.445579]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  242.450882]  ? rcu_bh_qs+0xc0/0xc0
[  242.454435]  ? preempt_schedule+0x4d/0x60
[  242.458588]  ? ___preempt_schedule+0x16/0x18
[  242.463006]  ? bpf_test_run+0x1c0/0x5a0
[  242.466993]  ? netlink_diag_dump+0x2a0/0x2a0
[  242.471425]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  242.476988]  ? bpf_test_init.isra.9+0x70/0x100
[  242.481573]  ? bpf_prog_test_run_skb+0x634/0xb40
[  242.486338]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  242.491182]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  242.496730]  ? fput+0x130/0x1a0
[  242.500013]  ? __bpf_prog_get+0x9b/0x290
[  242.504090]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  242.508931]  ? bpf_prog_test_run+0x130/0x1a0
[  242.513343]  ? __x64_sys_bpf+0x3d8/0x510
[  242.517408]  ? bpf_prog_get+0x20/0x20
[  242.521232]  ? ksys_ioctl+0x81/0xd0
[  242.524870]  ? do_syscall_64+0x1b9/0x820
[  242.528935]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  242.534315]  ? syscall_return_slowpath+0x5e0/0x5e0
[  242.539523]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  242.544769]  ? trace_hardirqs_off+0x300/0x300
[  242.549981]  ? prepare_exit_to_usermode+0x291/0x3b0
[  242.555023]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  242.559890]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  242.565279] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
[  242.565371] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  242.572041] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  242.572047] Call Trace:
[  242.572065]  dump_stack+0x1c4/0x2b4
[  242.572079]  ? dump_stack_print_info.cold.2+0x52/0x52
[  242.572107]  warn_alloc.cold.118+0xb7/0x1bd
[  242.578731] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  242.587930]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  242.590494] syz-executor1 cpuset=
[  242.594120]  ? lock_downgrade+0x900/0x900
[  242.599286] syz1
[  242.603607]  ? trace_hardirqs_off+0xb8/0x300
[  242.614071]  mems_allowed=0
[  242.618909]  ? trace_hardirqs_off+0xb8/0x300
[  242.640165]  __alloc_pages_slowpath+0x2667/0x2d80
[  242.645034]  ? mark_held_locks+0x130/0x130
[  242.649310]  ? warn_alloc+0x120/0x120
[  242.653118]  ? warn_alloc+0x120/0x120
[  242.656928]  ? print_usage_bug+0xc0/0xc0
[  242.660993]  ? warn_alloc+0x120/0x120
[  242.664810]  ? print_usage_bug+0xc0/0xc0
[  242.668887]  ? __lock_acquire+0x7ec/0x4ec0
[  242.673139]  ? __lock_acquire+0x7ec/0x4ec0
[  242.677400]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  242.682974]  ? should_fail+0x22d/0xd01
[  242.686876]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  242.691985]  ? __lock_acquire+0x7ec/0x4ec0
[  242.696231]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  242.701333]  ? __lock_acquire+0x7ec/0x4ec0
[  242.705569]  ? should_fail+0x22d/0xd01
[  242.709472]  ? mark_held_locks+0x130/0x130
[  242.713714]  ? mark_held_locks+0x130/0x130
[  242.717952]  ? graph_lock+0x170/0x170
[  242.721754]  ? graph_lock+0x170/0x170
[  242.725557]  ? graph_lock+0x170/0x170
[  242.729360]  ? print_usage_bug+0xc0/0xc0
[  242.733447]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.738986]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.744529]  ? check_preemption_disabled+0x48/0x200
[  242.749550]  ? check_preemption_disabled+0x48/0x200
[  242.754577]  ? __lock_is_held+0xb5/0x140
[  242.758647]  __alloc_pages_nodemask+0xa80/0xde0
[  242.763325]  ? graph_lock+0x170/0x170
[  242.767136]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  242.772149]  ? graph_lock+0x170/0x170
[  242.775962]  ? find_held_lock+0x36/0x1c0
[  242.780037]  ? ____cache_alloc_node+0x1c7/0x1e0
[  242.784707]  ? lock_downgrade+0x900/0x900
[  242.788876]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.794428]  cache_grow_begin+0x91/0x8c0
[  242.798493]  ? do_raw_spin_unlock+0xa7/0x2f0
[  242.802911]  fallback_alloc+0x203/0x2e0
[  242.806892]  ____cache_alloc_node+0x1c7/0x1e0
[  242.811416]  kmem_cache_alloc_node+0xe3/0x730
[  242.815917]  ? ipv6_get_ifaddr+0x42e/0x620
[  242.820169]  __alloc_skb+0x119/0x770
[  242.823922]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  242.829217]  ? skb_scrub_packet+0x490/0x490
[  242.833551]  ? lock_downgrade+0x900/0x900
[  242.837713]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.843252]  ? refcount_sub_and_test_checked+0x203/0x310
[  242.848708]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  242.854162]  ? addrconf_rs_timer+0x6f0/0x6f0
[  242.858587]  ndisc_alloc_skb+0x144/0x340
[  242.862657]  ndisc_send_rs+0x331/0x6e0
[  242.866555]  addrconf_rs_timer+0x3c0/0x6f0
[  242.870796]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.875048]  call_timer_fn+0x272/0x920
[  242.878937]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.883175]  ? process_timeout+0x40/0x40
[  242.887235]  ? find_held_lock+0x36/0x1c0
[  242.891338]  ? __run_timers+0x7da/0xc70
[  242.895359]  ? _raw_spin_unlock_irq+0x27/0x80
[  242.899879]  ? _raw_spin_unlock_irq+0x27/0x80
[  242.904382]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.908635]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  242.913235]  ? trace_hardirqs_on+0xbd/0x310
[  242.917568]  ? kasan_check_read+0x11/0x20
[  242.921717]  ? __run_timers+0x7da/0xc70
[  242.925719]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  242.931176]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.935423]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.939663]  __run_timers+0x7e5/0xc70
[  242.943485]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  242.948853]  ? compat_start_thread+0x80/0x80
[  242.953270]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.958835]  ? kasan_check_write+0x14/0x20
[  242.963077]  ? finish_task_switch+0x2f5/0x900
[  242.967578]  ? __switch_to_asm+0x40/0x70
[  242.971646]  ? preempt_notifier_register+0x200/0x200
[  242.976752]  ? __switch_to_asm+0x34/0x70
[  242.980812]  ? __switch_to_asm+0x40/0x70
[  242.984871]  ? __switch_to_asm+0x34/0x70
[  242.988931]  ? __switch_to_asm+0x40/0x70
[  242.992990]  ? __switch_to_asm+0x34/0x70
[  242.997057]  ? __switch_to_asm+0x40/0x70
[  243.001137]  ? pvclock_read_flags+0x160/0x160
[  243.005644]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.011191]  ? check_preemption_disabled+0x48/0x200
[  243.016224]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  243.021767]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  243.027049]  ? rcu_pm_notify+0xc0/0xc0
[  243.030945]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.036493]  ? check_preemption_disabled+0x48/0x200
[  243.041521]  run_timer_softirq+0x52/0xb0
[  243.046017]  ? rcu_read_lock_sched_held+0x108/0x120
[  243.051044]  __do_softirq+0x30b/0xad8
[  243.054860]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  243.059983]  ? schedule+0x108/0x460
[  243.063616]  ? __schedule+0x1ed0/0x1ed0
[  243.067611]  ? trace_hardirqs_off+0xb8/0x300
[  243.072026]  ? ___might_sleep+0x1ed/0x300
[  243.076180]  ? smpboot_thread_fn+0x68b/0xa00
[  243.080590]  ? trace_hardirqs_on+0x310/0x310
[  243.085008]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.090550]  ? check_preemption_disabled+0x48/0x200
[  243.095572]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.101117]  ? takeover_tasklets+0xa90/0xa90
[  243.105535]  run_ksoftirqd+0x94/0x100
[  243.110089]  smpboot_thread_fn+0x68b/0xa00
[  243.114337]  ? sort_range+0x30/0x30
[  243.118008]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  243.123109]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.128659]  ? __kthread_parkme+0xfb/0x1a0
[  243.132921]  kthread+0x35a/0x420
[  243.136292]  ? sort_range+0x30/0x30
[  243.139928]  ? kthread_bind+0x40/0x40
[  243.143735]  ret_from_fork+0x3a/0x50
[  243.147475] CPU: 1 PID: 10110 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
[  243.147481] warn_alloc_show_mem: 1 callbacks suppressed
[  243.147489] Mem-Info:
[  243.155058] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  243.155067] Call Trace:
[  243.160453] active_anon:39159 inactive_anon:1633 isolated_anon:0
[  243.160453]  active_file:15 inactive_file:16 isolated_file:0
[  243.160453]  unevictable:0 dirty:0 writeback:0 unstable:0
[  243.160453]  slab_reclaimable:8773 slab_unreclaimable:1470459
[  243.160453]  mapped:49330 shmem:1666 pagetables:630 bounce:0
[  243.160453]  free:13723 free_pcp:275 free_cma:0
[  243.162831]  <IRQ>
[  243.172217] Node 0 active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197320kB dirty:0kB writeback:0kB shmem:6664kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  243.174811]  dump_stack+0x1c4/0x2b4
[  243.207843] Node 0 
[  243.209992]  ? dump_stack_print_info.cold.2+0x52/0x52
[  243.237672] 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
[  243.241286]  warn_alloc.cold.118+0xb7/0x1bd
[  243.243489] lowmem_reserve[]:
[  243.248677]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  243.274158]  0
[  243.278484]  ? lock_downgrade+0x900/0x900
[  243.281567]  2817
[  243.286418]  ? trace_hardirqs_off+0xb8/0x300
[  243.288203]  6321
[  243.292355]  ? trace_hardirqs_off+0xb8/0x300
[  243.294392]  6321
[  243.298804]  __alloc_pages_slowpath+0x2667/0x2d80
[  243.300841] Node 0 
[  243.305294]  ? warn_alloc+0x120/0x120
[  243.307337] DMA32 free:25172kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  243.312151]  ? warn_alloc+0x120/0x120
[  243.314356] lowmem_reserve[]: 0
[  243.318172]  ? print_usage_bug+0xc0/0xc0
[  243.344865]  0
[  243.348665]  ? warn_alloc+0x120/0x120
[  243.351921]  3503
[  243.355979]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  243.357757]  3503
[  243.361559]  ? print_usage_bug+0xc0/0xc0
[  243.368622]  ? __lock_acquire+0x7ec/0x4ec0
[  243.370664] Node 0 
[  243.374720]  ? __lock_acquire+0x7ec/0x4ec0
[  243.378970] Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5408kB pagetables:2520kB bounce:0kB free_pcp:852kB local_pcp:604kB free_cma:0kB
[  243.381187]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.385400] lowmem_reserve[]:
[  243.413797]  ? should_fail+0x22d/0xd01
[  243.419314]  0
[  243.422429]  ? __lock_acquire+0x7ec/0x4ec0
[  243.426290]  0
[  243.428092]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  243.432302]  0
[  243.434103]  ? __lock_acquire+0x7ec/0x4ec0
[  243.439178]  0
[  243.440990]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  243.445203] Node 0 
[  243.447002]  ? __lock_acquire+0x7ec/0x4ec0
[  243.452081] DMA: 
[  243.454314]  ? should_fail+0x22d/0xd01
[  243.458528] 1*4kB 
[  243.460596]  ? mark_held_locks+0x130/0x130
[  243.464456] (U) 
[  243.466616]  ? mark_held_locks+0x130/0x130
[  243.470831] 0*8kB 
[  243.472808]  ? try_to_wake_up+0x10a/0x12f0
[  243.477022] 0*16kB 
[  243.479171]  ? graph_lock+0x170/0x170
[  243.483390] 1*32kB 
[  243.485623]  ? print_usage_bug+0xc0/0xc0
[  243.489419] (U) 
[  243.491656]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.495697] 2*64kB 
[  243.497677]  ? check_preemption_disabled+0x48/0x200
[  243.503185] (U) 
[  243.505419]  ? check_preemption_disabled+0x48/0x200
[  243.505444]  ? __lock_is_held+0xb5/0x140
[  243.510447] 1*128kB (U) 
[  243.512445]  __alloc_pages_nodemask+0xa80/0xde0
[  243.517433] 1*256kB 
[  243.521486]  ? graph_lock+0x170/0x170
[  243.524138] (U) 
[  243.528804]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  243.531105] 0*512kB 
[  243.534899]  ? graph_lock+0x170/0x170
[  243.536858] 1*1024kB 
[  243.541886]  ? find_held_lock+0x36/0x1c0
[  243.544181] (U) 
[  243.547986]  ? ____cache_alloc_node+0x1c7/0x1e0
[  243.550361] 1*2048kB (M) 
[  243.554455]  ? lock_downgrade+0x900/0x900
[  243.556412] 3*4096kB 
[  243.561084]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.563815] (M) 
[  243.567965]  cache_grow_begin+0x91/0x8c0
[  243.570346] = 15908kB
[  243.570355] Node 0 
[  243.575896]  ? do_raw_spin_unlock+0xa7/0x2f0
[  243.577851] DMA32: 
[  243.581921]  fallback_alloc+0x203/0x2e0
[  243.584299] 3*4kB 
[  243.586567]  ____cache_alloc_node+0x1c7/0x1e0
[  243.590949] (UM) 
[  243.593184]  kmem_cache_alloc_node+0xe3/0x730
[  243.597141] 1*8kB 
[  243.599290]  ? ipv6_get_ifaddr+0x42e/0x620
[  243.603762] (U) 
[  243.605831]  __alloc_skb+0x119/0x770
[  243.610299] 4*16kB (UM) 
[  243.612488]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  243.616689] 2*32kB (UM) 
[  243.618678]  ? skb_scrub_packet+0x490/0x490
[  243.622365] 3*64kB 
[  243.625046]  ? lock_downgrade+0x900/0x900
[  243.630303] (UM) 
[  243.632980]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.637276] 4*128kB 
[  243.639514]  ? refcount_sub_and_test_checked+0x203/0x310
[  243.643637] (UM) 
[  243.645699]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  243.651271] 3*256kB 
[  243.653595]  ? addrconf_rs_timer+0x6f0/0x6f0
[  243.659013] (UM) 4*512kB 
[  243.661097]  ndisc_alloc_skb+0x144/0x340
[  243.666515] (UM) 
[  243.668839]  ndisc_send_rs+0x331/0x6e0
[  243.673247] 3*1024kB 
[  243.676003]  addrconf_rs_timer+0x3c0/0x6f0
[  243.680040] (M) 
[  243.682113]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.685971] 3*2048kB (UM) 
[  243.688408]  call_timer_fn+0x272/0x920
[  243.692607] 3*4096kB 
[  243.694579]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.698792] (M) 
[  243.701639]  ? process_timeout+0x40/0x40
[  243.705503] = 25172kB
[  243.707919]  ? find_held_lock+0x36/0x1c0
[  243.712127] Node 0 
[  243.714105]  ? __run_timers+0x7da/0xc70
[  243.718139] Normal: 
[  243.720567]  ? _raw_spin_unlock_irq+0x27/0x80
[  243.724605] 979*4kB 
[  243.726835]  ? _raw_spin_unlock_irq+0x27/0x80
[  243.730800] (ME) 
[  243.733122]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.737592] 483*8kB (UME) 
[  243.739934]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  243.744406] 201*16kB (ME) 
[  243.746478]  ? trace_hardirqs_on+0xbd/0x310
[  243.750686] 59*32kB (UME) 
[  243.753542]  ? kasan_check_read+0x11/0x20
[  243.758118] 15*64kB (UM) 
[  243.760985]  ? __run_timers+0x7da/0xc70
[  243.765282] 0*128kB 
[  243.768133]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  243.772267] 0*256kB 
[  243.775028]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.778971] 0*512kB 
[  243.781301]  __run_timers+0x7e5/0xc70
[  243.786737] 0*1024kB 
[  243.789083]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  243.793297] 0*2048kB 
[  243.795625]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  243.799416] 0*4096kB 
[  243.801819]  ? rcu_bh_qs+0xc0/0xc0
[  243.807161] = 13844kB
[  243.809574]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.814834] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  243.817242]  ? check_preemption_disabled+0x48/0x200
[  243.820762] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  243.823169]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  243.828680] 1697 total pagecache pages
[  243.837518]  ? retint_kernel+0x2d/0x2d
[  243.842520] 0 pages in swap cache
[  243.851088]  ? trace_hardirqs_on_caller+0xc0/0x300
[  243.855823] Swap cache stats: add 0, delete 0, find 0/0
[  243.859704]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  243.863567] Free swap  = 0kB
[  243.867020]  ? trace_hardirqs_off_caller+0x300/0x300
[  243.871925] Total swap = 0kB
[  243.877307]  ? check_preemption_disabled+0x48/0x200
[  243.882037] 1965979 pages RAM
[  243.885070]  ? graph_lock+0x170/0x170
[  243.890151] 0 pages HighMem/MovableOnly
[  243.893171]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.898163] 342744 pages reserved
[  243.901280]  ? check_preemption_disabled+0x48/0x200
[  243.905056] 0 pages cma reserved
[  243.909032]  ? __lock_is_held+0xb5/0x140
[  243.914635] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  243.917996]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.918014]  ? check_preemption_disabled+0x48/0x200
[  243.918039]  run_timer_softirq+0x52/0xb0
[  243.923189] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  243.926399]  ? rcu_read_lock_sched_held+0x108/0x120
[  243.930449] ksoftirqd/0 cpuset=
[  243.936940]  __do_softirq+0x30b/0xad8
[  243.942450] /
[  243.947483]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  243.951521]  mems_allowed=0
[  243.961830]  ? pvclock_read_flags+0x160/0x160
[  243.988064]  ? lapic_next_event+0x5a/0x90
[  243.992223]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.997773]  ? check_preemption_disabled+0x48/0x200
[  244.002793]  ? check_preemption_disabled+0x48/0x200
[  244.007819]  ? kvm_clock_read+0x18/0x30
[  244.011798]  ? kvm_sched_clock_read+0x9/0x20
[  244.016215]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.021758]  ? check_preemption_disabled+0x48/0x200
[  244.026789]  irq_exit+0x17f/0x1c0
[  244.030249]  smp_apic_timer_interrupt+0x1cb/0x760
[  244.035099]  ? smp_reschedule_interrupt+0x109/0x650
[  244.040119]  ? smp_call_function_single_interrupt+0x650/0x650
[  244.046006]  ? interrupt_entry+0xb5/0xf0
[  244.050069]  ? trace_hardirqs_off_caller+0xbb/0x300
[  244.055084]  ? trace_hardirqs_off_caller+0xbb/0x300
[  244.060105]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  244.064959]  ? trace_hardirqs_off+0x300/0x300
[  244.069452]  ? trace_hardirqs_off+0x300/0x300
[  244.073965]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.079528]  ? check_preemption_disabled+0x48/0x200
[  244.084555]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.090101]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  244.094959]  apic_timer_interrupt+0xf/0x20
[  244.099189]  </IRQ>
[  244.101435] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  244.106368] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 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 9a 42
[  244.125284] RSP: 0018:ffff88019cfa7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  244.132997] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  244.140266] RDX: 0000000000000000 RSI: ffff88019d338900 RDI: 0000000000000282
[  244.147535] RBP: ffff88019cfa77b0 R08: ffff88019d338080 R09: 0000000000000000
[  244.154802] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  244.162072] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  244.169385]  skb_clone+0x1bb/0x500
[  244.172937]  ? finish_task_switch+0x2f5/0x900
[  244.177450]  ? skb_split+0x11e0/0x11e0
[  244.181356]  ? preempt_notifier_register+0x200/0x200
[  244.186462]  ? __switch_to_asm+0x34/0x70
[  244.190525]  ? __switch_to_asm+0x34/0x70
[  244.194585]  ? __switch_to_asm+0x40/0x70
[  244.198645]  ? __switch_to_asm+0x34/0x70
[  244.202706]  ? __switch_to_asm+0x40/0x70
[  244.206771]  ? __switch_to_asm+0x34/0x70
[  244.210833]  ? __switch_to_asm+0x40/0x70
[  244.214898]  ? __switch_to_asm+0x34/0x70
[  244.218969]  ? __switch_to_asm+0x34/0x70
[  244.223032]  ? __switch_to_asm+0x40/0x70
[  244.227092]  ? __switch_to_asm+0x34/0x70
[  244.231164]  bpf_clone_redirect+0xb9/0x490
[  244.235404]  ? __schedule+0x874/0x1ed0
[  244.239303]  bpf_prog_bebbfe2050753572+0x482/0x1000
[  244.244324]  ? __sched_text_start+0x8/0x8
[  244.248492]  ? find_held_lock+0x36/0x1c0
[  244.252563]  ? lock_acquire+0x1ed/0x520
[  244.256538]  ? bpf_test_run+0x32e/0x5a0
[  244.260518]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.266062]  ? check_preemption_disabled+0x48/0x200
[  244.271110]  ? kasan_check_read+0x11/0x20
[  244.275277]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  244.280561]  ? rcu_bh_qs+0xc0/0xc0
[  244.284113]  ? preempt_schedule+0x4d/0x60
[  244.288265]  ? ___preempt_schedule+0x16/0x18
[  244.292689]  ? bpf_test_run+0x1c0/0x5a0
[  244.296675]  ? netlink_diag_dump+0x2a0/0x2a0
[  244.301089]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  244.306628]  ? bpf_test_init.isra.9+0x70/0x100
[  244.311215]  ? bpf_prog_test_run_skb+0x634/0xb40
[  244.315982]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  244.320829]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  244.326368]  ? fput+0x130/0x1a0
[  244.329656]  ? __bpf_prog_get+0x9b/0x290
[  244.333721]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  244.338571]  ? bpf_prog_test_run+0x130/0x1a0
[  244.343000]  ? __x64_sys_bpf+0x3d8/0x510
[  244.347067]  ? bpf_prog_get+0x20/0x20
[  244.350883]  ? ksys_ioctl+0x81/0xd0
[  244.354530]  ? do_syscall_64+0x1b9/0x820
[  244.358598]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  244.363969]  ? syscall_return_slowpath+0x5e0/0x5e0
[  244.368897]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  244.373751]  ? trace_hardirqs_off+0x300/0x300
[  244.378257]  ? prepare_exit_to_usermode+0x291/0x3b0
[  244.383282]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  244.388136]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  244.393521] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
[  244.393632] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  244.400286] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  244.400291] Call Trace:
[  244.400310]  dump_stack+0x1c4/0x2b4
[  244.400326]  ? dump_stack_print_info.cold.2+0x52/0x52
[  244.400354]  warn_alloc.cold.118+0xb7/0x1bd
[  244.406899] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  244.416182]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  244.418746] syz-executor1 cpuset=
[  244.422391]  ? lock_downgrade+0x900/0x900
[  244.427574] syz1
[  244.431938]  ? trace_hardirqs_off+0xb8/0x300
[  244.442405]  mems_allowed=0
[  244.447252]  ? trace_hardirqs_off+0xb8/0x300
[  244.468522]  __alloc_pages_slowpath+0x2667/0x2d80
[  244.473401]  ? mark_held_locks+0x130/0x130
[  244.477654]  ? warn_alloc+0x120/0x120
[  244.481466]  ? warn_alloc+0x120/0x120
[  244.485269]  ? print_usage_bug+0xc0/0xc0
[  244.489348]  ? warn_alloc+0x120/0x120
[  244.493157]  ? print_usage_bug+0xc0/0xc0
[  244.497215]  ? find_held_lock+0x36/0x1c0
[  244.501297]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  244.506856]  ? should_fail+0x22d/0xd01
[  244.510772]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  244.515876]  ? __lock_acquire+0x7ec/0x4ec0
[  244.520117]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  244.525221]  ? __lock_acquire+0x7ec/0x4ec0
[  244.529470]  ? should_fail+0x22d/0xd01
[  244.533371]  ? mark_held_locks+0x130/0x130
[  244.537631]  ? mark_held_locks+0x130/0x130
[  244.541871]  ? __account_cfs_rq_runtime+0x790/0x790
[  244.546898]  ? select_task_rq_fair+0x754/0x34f0
[  244.551573]  ? lock_downgrade+0x900/0x900
[  244.555727]  ? check_preemption_disabled+0x48/0x200
[  244.560751]  ? graph_lock+0x170/0x170
[  244.564556]  ? print_usage_bug+0xc0/0xc0
[  244.568626]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.574172]  ? check_preemption_disabled+0x48/0x200
[  244.579189]  ? check_preemption_disabled+0x48/0x200
[  244.584214]  ? __lock_is_held+0xb5/0x140
[  244.588293]  __alloc_pages_nodemask+0xa80/0xde0
[  244.592984]  ? graph_lock+0x170/0x170
[  244.596819]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  244.601842]  ? graph_lock+0x170/0x170
[  244.605659]  ? find_held_lock+0x36/0x1c0
[  244.609737]  ? ____cache_alloc_node+0x1c7/0x1e0
[  244.614421]  ? lock_downgrade+0x900/0x900
[  244.618586]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.624134]  cache_grow_begin+0x91/0x8c0
[  244.628198]  ? do_raw_spin_unlock+0xa7/0x2f0
[  244.632620]  fallback_alloc+0x203/0x2e0
[  244.636613]  ____cache_alloc_node+0x1c7/0x1e0
[  244.641119]  kmem_cache_alloc_node+0xe3/0x730
[  244.645619]  ? ipv6_get_ifaddr+0x42e/0x620
[  244.649867]  __alloc_skb+0x119/0x770
[  244.653585]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  244.658873]  ? skb_scrub_packet+0x490/0x490
[  244.663223]  ? lock_downgrade+0x900/0x900
[  244.667389]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.672933]  ? refcount_sub_and_test_checked+0x203/0x310
[  244.678397]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  244.683859]  ? addrconf_rs_timer+0x6f0/0x6f0
[  244.688282]  ndisc_alloc_skb+0x144/0x340
[  244.692353]  ndisc_send_rs+0x331/0x6e0
[  244.696258]  addrconf_rs_timer+0x3c0/0x6f0
[  244.700502]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  244.704756]  call_timer_fn+0x272/0x920
[  244.708647]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  244.712888]  ? process_timeout+0x40/0x40
[  244.716948]  ? find_held_lock+0x36/0x1c0
[  244.721018]  ? __run_timers+0x7da/0xc70
[  244.724998]  ? _raw_spin_unlock_irq+0x27/0x80
[  244.729493]  ? _raw_spin_unlock_irq+0x27/0x80
[  244.733990]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  244.738224]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  244.742809]  ? trace_hardirqs_on+0xbd/0x310
[  244.747135]  ? kasan_check_read+0x11/0x20
[  244.751287]  ? __run_timers+0x7da/0xc70
[  244.755263]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  244.760734]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  244.764972]  __run_timers+0x7e5/0xc70
[  244.768790]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  244.774158]  ? compat_start_thread+0x80/0x80
[  244.778579]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.784127]  ? kasan_check_write+0x14/0x20
[  244.788373]  ? finish_task_switch+0x2f5/0x900
[  244.792899]  ? __switch_to_asm+0x40/0x70
[  244.796970]  ? preempt_notifier_register+0x200/0x200
[  244.802074]  ? __switch_to_asm+0x34/0x70
[  244.806132]  ? __switch_to_asm+0x40/0x70
[  244.810213]  ? __switch_to_asm+0x34/0x70
[  244.814278]  ? __switch_to_asm+0x40/0x70
[  244.818337]  ? __switch_to_asm+0x34/0x70
[  244.822410]  ? __switch_to_asm+0x40/0x70
[  244.826483]  ? pvclock_read_flags+0x160/0x160
[  244.831005]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.836551]  ? check_preemption_disabled+0x48/0x200
[  244.841580]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  244.847121]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  244.852412]  ? rcu_pm_notify+0xc0/0xc0
[  244.856304]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.861860]  ? check_preemption_disabled+0x48/0x200
[  244.866889]  run_timer_softirq+0x52/0xb0
[  244.870952]  ? rcu_read_lock_sched_held+0x108/0x120
[  244.875972]  __do_softirq+0x30b/0xad8
[  244.879788]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  244.884902]  ? schedule+0x108/0x460
[  244.888535]  ? __schedule+0x1ed0/0x1ed0
[  244.892518]  ? trace_hardirqs_off+0xb8/0x300
[  244.896934]  ? ___might_sleep+0x1ed/0x300
[  244.901089]  ? smpboot_thread_fn+0x68b/0xa00
[  244.905505]  ? trace_hardirqs_on+0x310/0x310
[  244.909933]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  244.915477]  ? check_preemption_disabled+0x48/0x200
[  244.920495]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.926036]  ? takeover_tasklets+0xa90/0xa90
[  244.930450]  run_ksoftirqd+0x94/0x100
[  244.934276]  smpboot_thread_fn+0x68b/0xa00
[  244.938519]  ? sort_range+0x30/0x30
[  244.942150]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  244.947278]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  244.952821]  ? __kthread_parkme+0xfb/0x1a0
[  244.957073]  kthread+0x35a/0x420
[  244.960455]  ? sort_range+0x30/0x30
[  244.964085]  ? kthread_bind+0x40/0x40
[  244.967897]  ret_from_fork+0x3a/0x50
[  244.971639] warn_alloc_show_mem: 1 callbacks suppressed
[  244.971652] CPU: 1 PID: 10110 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
[  244.971654] Mem-Info:
[  244.971684] active_anon:39159 inactive_anon:1633 isolated_anon:0
[  244.971684]  active_file:15 inactive_file:16 isolated_file:0
[  244.971684]  unevictable:0 dirty:0 writeback:0 unstable:0
[  244.971684]  slab_reclaimable:8773 slab_unreclaimable:1470459
[  244.971684]  mapped:49330 shmem:1666 pagetables:630 bounce:0
[  244.971684]  free:13723 free_pcp:275 free_cma:0
[  244.977037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  244.984343] Node 0 active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197320kB dirty:0kB writeback:0kB shmem:6664kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  244.986752] Call Trace:
[  245.019796] Node 0 
[  245.029140]  <IRQ>
[  245.057334] 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
[  245.059893]  dump_stack+0x1c4/0x2b4
[  245.062110] lowmem_reserve[]:
[  245.064257]  ? dump_stack_print_info.cold.2+0x52/0x52
[  245.089734]  0
[  245.093378]  warn_alloc.cold.118+0xb7/0x1bd
[  245.096483]  2817
[  245.101683]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  245.103465]  6321
[  245.107780]  ? lock_downgrade+0x900/0x900
[  245.109822]  6321
[  245.114663]  ? trace_hardirqs_off+0xb8/0x300
[  245.120852]  ? trace_hardirqs_off+0xb8/0x300
[  245.122894] Node 0 
[  245.127318]  __alloc_pages_slowpath+0x2667/0x2d80
[  245.131723] DMA32 free:25172kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  245.133957]  ? warn_alloc+0x120/0x120
[  245.138749] lowmem_reserve[]: 0
[  245.165952]  ? warn_alloc+0x120/0x120
[  245.169740]  0
[  245.173021]  ? print_usage_bug+0xc0/0xc0
[  245.176793]  3503 3503
[  245.178603]  ? warn_alloc+0x120/0x120
[  245.182643] Node 0 
[  245.185138]  ? print_usage_bug+0xc0/0xc0
[  245.188945] Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5408kB pagetables:2520kB bounce:0kB free_pcp:852kB local_pcp:604kB free_cma:0kB
[  245.191153]  ? __lock_acquire+0x7ec/0x4ec0
[  245.195188] lowmem_reserve[]: 0
[  245.223561]  ? __lock_acquire+0x7ec/0x4ec0
[  245.227773]  0
[  245.231050]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  245.235258]  0
[  245.237062]  ? should_fail+0x22d/0xd01
[  245.242586]  0
[  245.244399]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  245.248283] Node 0 
[  245.250082]  ? __lock_acquire+0x7ec/0x4ec0
[  245.255165] DMA: 
[  245.257401]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  245.261619] 1*4kB 
[  245.263677]  ? __lock_acquire+0x7ec/0x4ec0
[  245.268759] (U) 
[  245.270913]  ? should_fail+0x22d/0xd01
[  245.275131] 0*8kB 
[  245.277107]  ? mark_held_locks+0x130/0x130
[  245.280971] 0*16kB 
[  245.283117]  ? mark_held_locks+0x130/0x130
[  245.287348] 1*32kB 
[  245.289577]  ? graph_lock+0x170/0x170
[  245.293799] (U) 
[  245.296061]  ? graph_lock+0x170/0x170
[  245.299838] 2*64kB 
[  245.301808]  ? graph_lock+0x170/0x170
[  245.305585] (U) 
[  245.307819]  ? print_usage_bug+0xc0/0xc0
[  245.311596] 1*128kB 
[  245.313569]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.317603] (U) 
[  245.319937]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.325449] 1*256kB 
[  245.327419]  ? check_preemption_disabled+0x48/0x200
[  245.327437]  ? check_preemption_disabled+0x48/0x200
[  245.332953] (U) 
[  245.335280]  ? __lock_is_held+0xb5/0x140
[  245.340282] 0*512kB 1*1024kB 
[  245.345323]  __alloc_pages_nodemask+0xa80/0xde0
[  245.347278] (U) 
[  245.351335]  ? graph_lock+0x170/0x170
[  245.354420] 1*2048kB (M) 
[  245.359110]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  245.361061] 3*4096kB (M) 
[  245.364867]  ? graph_lock+0x170/0x170
[  245.367601] = 15908kB
[  245.367610] Node 0 
[  245.372632]  ? find_held_lock+0x36/0x1c0
[  245.375363] DMA32: 
[  245.379169]  ? ____cache_alloc_node+0x1c7/0x1e0
[  245.381554] 3*4kB 
[  245.383811]  ? lock_downgrade+0x900/0x900
[  245.387865] (UM) 
[  245.390106]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.394746] 1*8kB (U) 
[  245.396913]  cache_grow_begin+0x91/0x8c0
[  245.401056] 4*16kB (UM) 
[  245.403153]  ? do_raw_spin_unlock+0xa7/0x2f0
[  245.408662] 2*32kB (UM) 
[  245.411168]  fallback_alloc+0x203/0x2e0
[  245.415210] 3*64kB (UM) 
[  245.417914]  ____cache_alloc_node+0x1c7/0x1e0
[  245.422302] 4*128kB (UM) 
[  245.424993]  kmem_cache_alloc_node+0xe3/0x730
[  245.428937] 3*256kB (UM) 
[  245.431618]  ? ipv6_get_ifaddr+0x42e/0x620
[  245.436089] 4*512kB 
[  245.438846]  __alloc_skb+0x119/0x770
[  245.443311] (UM) 
[  245.446082]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  245.450286] 3*1024kB (M) 
[  245.452617]  ? skb_scrub_packet+0x490/0x490
[  245.456304] 3*2048kB (UM) 
[  245.458380]  ? lock_downgrade+0x900/0x900
[  245.463660] 3*4096kB 
[  245.466425]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.470723] (M) 
[  245.473582]  ? refcount_sub_and_test_checked+0x203/0x310
[  245.477707] = 25172kB
[  245.480111]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  245.485623] Node 0 
[  245.487599]  ? addrconf_rs_timer+0x6f0/0x6f0
[  245.493029] Normal: 
[  245.495449]  ndisc_alloc_skb+0x144/0x340
[  245.500868] 979*4kB 
[  245.503100]  ndisc_send_rs+0x331/0x6e0
[  245.507486] (ME) 
[  245.509810]  addrconf_rs_timer+0x3c0/0x6f0
[  245.513843] 483*8kB (UME) 
[  245.516175]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.520066] 201*16kB 
[  245.522135]  call_timer_fn+0x272/0x920
[  245.526338] (ME) 
[  245.529178]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.533396] 59*32kB (UME) 
[  245.535817]  ? process_timeout+0x40/0x40
[  245.539693] 15*64kB (UM) 
[  245.541766]  ? find_held_lock+0x36/0x1c0
[  245.545972] 0*128kB 0*256kB 
[  245.548824]  ? __run_timers+0x7da/0xc70
[  245.552855] 0*512kB 0*1024kB 
[  245.555622]  ? _raw_spin_unlock_irq+0x27/0x80
[  245.559658] 0*2048kB 
[  245.562678]  ? _raw_spin_unlock_irq+0x27/0x80
[  245.566633] 0*4096kB 
[  245.569734]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.574205] = 13844kB
[  245.576608]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  245.581082] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  245.583479]  ? trace_hardirqs_on+0xbd/0x310
[  245.587694] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  245.590107]  ? kasan_check_read+0x11/0x20
[  245.594664] 1697 total pagecache pages
[  245.603493]  ? __run_timers+0x7da/0xc70
[  245.607797] 0 pages in swap cache
[  245.616375]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  245.620510] Swap cache stats: add 0, delete 0, find 0/0
[  245.624397]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.628350] Free swap  = 0kB
[  245.631849]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.637289] Total swap = 0kB
[  245.642681]  __run_timers+0x7e5/0xc70
[  245.646903] 1965979 pages RAM
[  245.649950]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  245.654148] 0 pages HighMem/MovableOnly
[  245.654157] 342744 pages reserved
[  245.657177]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  245.660962] 0 pages cma reserved
[  245.664061]  ? rcu_bh_qs+0xc0/0xc0
[  245.669510] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  245.673381]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.676887] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  245.682099]  ? check_preemption_disabled+0x48/0x200
[  245.685460] ksoftirqd/0 cpuset=
[  245.689010]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  245.695491] /
[  245.701033]  ? retint_kernel+0x2d/0x2d
[  245.711321]  mems_allowed=0
[  245.716336]  ? trace_hardirqs_on_caller+0xc0/0x300
[  245.737760]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  245.742522]  ? trace_hardirqs_off_caller+0x300/0x300
[  245.747635]  ? check_preemption_disabled+0x48/0x200
[  245.752652]  ? graph_lock+0x170/0x170
[  245.756456]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.761994]  ? check_preemption_disabled+0x48/0x200
[  245.767021]  ? __lock_is_held+0xb5/0x140
[  245.771085]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.776649]  ? check_preemption_disabled+0x48/0x200
[  245.781691]  run_timer_softirq+0x52/0xb0
[  245.785754]  ? rcu_read_lock_sched_held+0x108/0x120
[  245.790771]  __do_softirq+0x30b/0xad8
[  245.794579]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  245.799714]  ? pvclock_read_flags+0x160/0x160
[  245.804208]  ? lapic_next_event+0x5a/0x90
[  245.808363]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.813917]  ? check_preemption_disabled+0x48/0x200
[  245.818939]  ? check_preemption_disabled+0x48/0x200
[  245.823962]  ? kvm_clock_read+0x18/0x30
[  245.827936]  ? kvm_sched_clock_read+0x9/0x20
[  245.832358]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.837918]  ? check_preemption_disabled+0x48/0x200
[  245.842950]  irq_exit+0x17f/0x1c0
[  245.846409]  smp_apic_timer_interrupt+0x1cb/0x760
[  245.851251]  ? smp_reschedule_interrupt+0x109/0x650
[  245.856270]  ? smp_call_function_single_interrupt+0x650/0x650
[  245.862185]  ? interrupt_entry+0xb5/0xf0
[  245.866247]  ? trace_hardirqs_off_caller+0xbb/0x300
[  245.871260]  ? trace_hardirqs_off_caller+0xbb/0x300
[  245.876311]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  245.881154]  ? trace_hardirqs_off+0x300/0x300
[  245.885649]  ? trace_hardirqs_off+0x300/0x300
[  245.890146]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.895685]  ? check_preemption_disabled+0x48/0x200
[  245.900701]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.906258]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  245.911129]  apic_timer_interrupt+0xf/0x20
[  245.915363]  </IRQ>
[  245.917604] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  245.922568] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 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 9a 42
[  245.941492] RSP: 0018:ffff88019cfa7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  245.949220] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  245.956486] RDX: 0000000000000000 RSI: ffff88019d338900 RDI: 0000000000000282
[  245.963791] RBP: ffff88019cfa77b0 R08: ffff88019d338080 R09: 0000000000000000
[  245.971076] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  245.978343] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  245.985663]  skb_clone+0x1bb/0x500
[  245.989207]  ? finish_task_switch+0x2f5/0x900
[  245.993729]  ? skb_split+0x11e0/0x11e0
[  245.997628]  ? preempt_notifier_register+0x200/0x200
[  246.002737]  ? __switch_to_asm+0x34/0x70
[  246.006802]  ? __switch_to_asm+0x34/0x70
[  246.010889]  ? __switch_to_asm+0x40/0x70
[  246.014964]  ? __switch_to_asm+0x34/0x70
[  246.019158]  ? __switch_to_asm+0x40/0x70
[  246.023241]  ? __switch_to_asm+0x34/0x70
[  246.027303]  ? __switch_to_asm+0x40/0x70
[  246.031364]  ? __switch_to_asm+0x34/0x70
[  246.035432]  ? __switch_to_asm+0x34/0x70
[  246.039492]  ? __switch_to_asm+0x40/0x70
[  246.043551]  ? __switch_to_asm+0x34/0x70
[  246.047628]  bpf_clone_redirect+0xb9/0x490
[  246.051868]  ? __schedule+0x874/0x1ed0
[  246.055762]  bpf_prog_bebbfe2050753572+0x482/0x1000
[  246.060784]  ? __sched_text_start+0x8/0x8
[  246.064951]  ? find_held_lock+0x36/0x1c0
[  246.069052]  ? lock_acquire+0x1ed/0x520
[  246.073054]  ? bpf_test_run+0x32e/0x5a0
[  246.077063]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.082605]  ? check_preemption_disabled+0x48/0x200
[  246.087634]  ? kasan_check_read+0x11/0x20
[  246.091808]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  246.097088]  ? rcu_bh_qs+0xc0/0xc0
[  246.100632]  ? preempt_schedule+0x4d/0x60
[  246.104782]  ? ___preempt_schedule+0x16/0x18
[  246.109298]  ? bpf_test_run+0x1c0/0x5a0
[  246.113296]  ? netlink_diag_dump+0x2a0/0x2a0
[  246.117917]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  246.123453]  ? bpf_test_init.isra.9+0x70/0x100
[  246.128044]  ? bpf_prog_test_run_skb+0x634/0xb40
[  246.132809]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  246.137657]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  246.143195]  ? fput+0x130/0x1a0
[  246.146479]  ? __bpf_prog_get+0x9b/0x290
[  246.150681]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  246.155527]  ? bpf_prog_test_run+0x130/0x1a0
[  246.159943]  ? __x64_sys_bpf+0x3d8/0x510
[  246.164129]  ? bpf_prog_get+0x20/0x20
[  246.167957]  ? ksys_ioctl+0x81/0xd0
[  246.171748]  ? do_syscall_64+0x1b9/0x820
[  246.175815]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  246.181186]  ? syscall_return_slowpath+0x5e0/0x5e0
[  246.186117]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  246.190963]  ? trace_hardirqs_off+0x300/0x300
[  246.195474]  ? prepare_exit_to_usermode+0x291/0x3b0
[  246.200506]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  246.205357]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  246.210741] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
[  246.210856] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  246.217504] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  246.217509] Call Trace:
[  246.217527]  dump_stack+0x1c4/0x2b4
[  246.217542]  ? dump_stack_print_info.cold.2+0x52/0x52
[  246.217581]  warn_alloc.cold.118+0xb7/0x1bd
[  246.224117] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  246.233420]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  246.235979] syz-executor1 cpuset=
[  246.239603]  ? lock_downgrade+0x900/0x900
[  246.244770] syz1
[  246.249090]  ? trace_hardirqs_off+0xb8/0x300
[  246.259554]  mems_allowed=0
[  246.264398]  ? trace_hardirqs_off+0xb8/0x300
[  246.285656]  __alloc_pages_slowpath+0x2667/0x2d80
[  246.290524]  ? mark_held_locks+0x130/0x130
[  246.294807]  ? warn_alloc+0x120/0x120
[  246.298629]  ? warn_alloc+0x120/0x120
[  246.302434]  ? print_usage_bug+0xc0/0xc0
[  246.306495]  ? warn_alloc+0x120/0x120
[  246.310291]  ? print_usage_bug+0xc0/0xc0
[  246.314365]  ? __lock_acquire+0x7ec/0x4ec0
[  246.318621]  ? __lock_acquire+0x7ec/0x4ec0
[  246.322868]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  246.328445]  ? should_fail+0x22d/0xd01
[  246.332336]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  246.337461]  ? __lock_acquire+0x7ec/0x4ec0
[  246.341703]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  246.346826]  ? __lock_acquire+0x7ec/0x4ec0
[  246.351073]  ? should_fail+0x22d/0xd01
[  246.354976]  ? mark_held_locks+0x130/0x130
[  246.359228]  ? mark_held_locks+0x130/0x130
[  246.363460]  ? graph_lock+0x170/0x170
[  246.367257]  ? graph_lock+0x170/0x170
[  246.371070]  ? graph_lock+0x170/0x170
[  246.374870]  ? print_usage_bug+0xc0/0xc0
[  246.378927]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.384463]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.389998]  ? check_preemption_disabled+0x48/0x200
[  246.395025]  ? check_preemption_disabled+0x48/0x200
[  246.400066]  ? __lock_is_held+0xb5/0x140
[  246.404131]  __alloc_pages_nodemask+0xa80/0xde0
[  246.408800]  ? graph_lock+0x170/0x170
[  246.412605]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  246.417618]  ? graph_lock+0x170/0x170
[  246.421436]  ? find_held_lock+0x36/0x1c0
[  246.425511]  ? ____cache_alloc_node+0x1c7/0x1e0
[  246.430225]  ? lock_downgrade+0x900/0x900
[  246.434401]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.439950]  cache_grow_begin+0x91/0x8c0
[  246.444012]  ? do_raw_spin_unlock+0xa7/0x2f0
[  246.448433]  fallback_alloc+0x203/0x2e0
[  246.452426]  ____cache_alloc_node+0x1c7/0x1e0
[  246.456930]  kmem_cache_alloc_node+0xe3/0x730
[  246.461430]  ? ipv6_get_ifaddr+0x42e/0x620
[  246.465675]  __alloc_skb+0x119/0x770
[  246.469418]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  246.474699]  ? skb_scrub_packet+0x490/0x490
[  246.479033]  ? lock_downgrade+0x900/0x900
[  246.483185]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.488727]  ? refcount_sub_and_test_checked+0x203/0x310
[  246.494215]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  246.499663]  ? addrconf_rs_timer+0x6f0/0x6f0
[  246.504084]  ndisc_alloc_skb+0x144/0x340
[  246.508146]  ndisc_send_rs+0x331/0x6e0
[  246.512041]  addrconf_rs_timer+0x3c0/0x6f0
[  246.516280]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  246.520525]  call_timer_fn+0x272/0x920
[  246.524418]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  246.528650]  ? process_timeout+0x40/0x40
[  246.532721]  ? find_held_lock+0x36/0x1c0
[  246.536809]  ? __run_timers+0x7da/0xc70
[  246.540784]  ? _raw_spin_unlock_irq+0x27/0x80
[  246.545293]  ? _raw_spin_unlock_irq+0x27/0x80
[  246.549788]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  246.554022]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  246.558606]  ? trace_hardirqs_on+0xbd/0x310
[  246.562937]  ? kasan_check_read+0x11/0x20
[  246.567087]  ? __run_timers+0x7da/0xc70
[  246.571059]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  246.576513]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  246.580772]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  246.585004]  __run_timers+0x7e5/0xc70
[  246.588827]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  246.594189]  ? compat_start_thread+0x80/0x80
[  246.598601]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.604145]  ? kasan_check_write+0x14/0x20
[  246.608389]  ? finish_task_switch+0x2f5/0x900
[  246.612892]  ? __switch_to_asm+0x40/0x70
[  246.616986]  ? preempt_notifier_register+0x200/0x200
[  246.622129]  ? __switch_to_asm+0x34/0x70
[  246.626201]  ? __switch_to_asm+0x40/0x70
[  246.630258]  ? __switch_to_asm+0x34/0x70
[  246.634329]  ? __switch_to_asm+0x40/0x70
[  246.638399]  ? __switch_to_asm+0x34/0x70
[  246.642470]  ? __switch_to_asm+0x40/0x70
[  246.646545]  ? pvclock_read_flags+0x160/0x160
[  246.651053]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.656595]  ? check_preemption_disabled+0x48/0x200
[  246.661622]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  246.667158]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  246.672445]  ? rcu_pm_notify+0xc0/0xc0
[  246.676337]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.681877]  ? check_preemption_disabled+0x48/0x200
[  246.686903]  run_timer_softirq+0x52/0xb0
[  246.690966]  ? rcu_read_lock_sched_held+0x108/0x120
[  246.695981]  __do_softirq+0x30b/0xad8
[  246.699798]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  246.704911]  ? schedule+0x108/0x460
[  246.708555]  ? __schedule+0x1ed0/0x1ed0
[  246.712536]  ? trace_hardirqs_off+0xb8/0x300
[  246.716949]  ? ___might_sleep+0x1ed/0x300
[  246.721097]  ? smpboot_thread_fn+0x68b/0xa00
[  246.725510]  ? trace_hardirqs_on+0x310/0x310
[  246.729920]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  246.735464]  ? check_preemption_disabled+0x48/0x200
[  246.740484]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.746054]  ? takeover_tasklets+0xa90/0xa90
[  246.750473]  run_ksoftirqd+0x94/0x100
[  246.754276]  smpboot_thread_fn+0x68b/0xa00
[  246.758514]  ? sort_range+0x30/0x30
[  246.762145]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  246.767249]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  246.772810]  ? __kthread_parkme+0xfb/0x1a0
[  246.777085]  kthread+0x35a/0x420
[  246.780464]  ? sort_range+0x30/0x30
[  246.784107]  ? kthread_bind+0x40/0x40
[  246.787920]  ret_from_fork+0x3a/0x50
[  246.791648] warn_alloc_show_mem: 1 callbacks suppressed
[  246.791661] CPU: 1 PID: 10110 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
[  246.791663] Mem-Info:
[  246.791694] active_anon:39159 inactive_anon:1633 isolated_anon:0
[  246.791694]  active_file:15 inactive_file:16 isolated_file:0
[  246.791694]  unevictable:0 dirty:0 writeback:0 unstable:0
[  246.791694]  slab_reclaimable:8773 slab_unreclaimable:1470459
[  246.791694]  mapped:49330 shmem:1666 pagetables:630 bounce:0
[  246.791694]  free:13723 free_pcp:275 free_cma:0
[  246.797043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  246.804325] Node 0 active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197320kB dirty:0kB writeback:0kB shmem:6664kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  246.806723] Call Trace:
[  246.839764] Node 0 
[  246.849109]  <IRQ>
[  246.876802] 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
[  246.879369]  dump_stack+0x1c4/0x2b4
[  246.881581] lowmem_reserve[]: 0
[  246.883846]  ? dump_stack_print_info.cold.2+0x52/0x52
[  246.909334]  2817
[  246.912970]  warn_alloc.cold.118+0xb7/0x1bd
[  246.916217]  6321
[  246.921423]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  246.923466]  6321
[  246.927784]  ? lock_downgrade+0x900/0x900
[  246.934701]  ? trace_hardirqs_off+0xb8/0x300
[  246.936733] Node 0 
[  246.940878]  ? trace_hardirqs_off+0xb8/0x300
[  246.945288] DMA32 free:25172kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  246.947505]  __alloc_pages_slowpath+0x2667/0x2d80
[  246.951878] lowmem_reserve[]: 0
[  246.978641]  ? warn_alloc+0x120/0x120
[  246.983440]  0
[  246.986717]  ? warn_alloc+0x120/0x120
[  246.990496]  3503
[  246.992296]  ? print_usage_bug+0xc0/0xc0
[  246.996067]  3503
[  246.998147]  ? warn_alloc+0x120/0x120
[  247.002197] Node 0 
[  247.004261]  ? print_usage_bug+0xc0/0xc0
[  247.008068] Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5408kB pagetables:2520kB bounce:0kB free_pcp:852kB local_pcp:604kB free_cma:0kB
[  247.010300]  ? __lock_acquire+0x7ec/0x4ec0
[  247.014338] lowmem_reserve[]: 0
[  247.042715]  ? __lock_acquire+0x7ec/0x4ec0
[  247.047419]  0 0
[  247.050715]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  247.054928]  0
[  247.056912]  ? should_fail+0x22d/0xd01
[  247.064233]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  247.068100] Node 0 
[  247.073200]  ? __lock_acquire+0x7ec/0x4ec0
[  247.073204] DMA: 1*4kB 
[  247.075445]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  247.079658] (U) 
[  247.082239]  ? __lock_acquire+0x7ec/0x4ec0
[  247.087324] 0*8kB 
[  247.089296]  ? should_fail+0x22d/0xd01
[  247.093515] 0*16kB 1*32kB 
[  247.095679]  ? mark_held_locks+0x130/0x130
[  247.099540] (U) 
[  247.102394]  ? mark_held_locks+0x130/0x130
[  247.106606] 2*64kB (U) 
[  247.108598]  ? graph_lock+0x170/0x170
[  247.112813] 1*128kB 
[  247.115391]  ? graph_lock+0x170/0x170
[  247.115409]  ? graph_lock+0x170/0x170
[  247.119210] (U) 
[  247.121545]  ? print_usage_bug+0xc0/0xc0
[  247.125317] 1*256kB (U) 
[  247.129125]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.131092] 0*512kB 
[  247.135154]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.137802] 1*1024kB (U) 
[  247.143352]  ? check_preemption_disabled+0x48/0x200
[  247.145658] 1*2048kB 
[  247.151198]  ? check_preemption_disabled+0x48/0x200
[  247.154125] (M) 3*4096kB 
[  247.159159]  ? __lock_is_held+0xb5/0x140
[  247.161549] (M) 
[  247.166568]  __alloc_pages_nodemask+0xa80/0xde0
[  247.169303] = 15908kB
[  247.173362]  ? graph_lock+0x170/0x170
[  247.175323] Node 0 
[  247.179991]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  247.182425] DMA32: 
[  247.186221]  ? graph_lock+0x170/0x170
[  247.188439] 3*4kB 
[  247.193461]  ? find_held_lock+0x36/0x1c0
[  247.195668] (UM) 
[  247.199479]  ? ____cache_alloc_node+0x1c7/0x1e0
[  247.201605] 1*8kB 
[  247.205662]  ? lock_downgrade+0x900/0x900
[  247.207704] (U) 
[  247.212373]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.214498] 4*16kB (UM) 
[  247.218656]  cache_grow_begin+0x91/0x8c0
[  247.220604] 2*32kB (UM) 
[  247.226155]  ? do_raw_spin_unlock+0xa7/0x2f0
[  247.228799] 3*64kB (UM) 
[  247.233073]  fallback_alloc+0x203/0x2e0
[  247.235715] 4*128kB (UM) 
[  247.240777]  ____cache_alloc_node+0x1c7/0x1e0
[  247.243425] 3*256kB (UM) 
[  247.247500]  kmem_cache_alloc_node+0xe3/0x730
[  247.250235] 4*512kB 
[  247.254730]  ? ipv6_get_ifaddr+0x42e/0x620
[  247.257487] (UM) 3*1024kB 
[  247.262008]  __alloc_skb+0x119/0x770
[  247.264297] (M) 
[  247.268534]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  247.271352] 3*2048kB 
[  247.275066]  ? skb_scrub_packet+0x490/0x490
[  247.277025] (UM) 
[  247.282297]  ? lock_downgrade+0x900/0x900
[  247.284685] 3*4096kB 
[  247.289015]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.291049] (M) 
[  247.295195]  ? refcount_sub_and_test_checked+0x203/0x310
[  247.297579] = 25172kB
[  247.297588] Node 0 
[  247.303127]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  247.305080] Normal: 979*4kB 
[  247.310540]  ? addrconf_rs_timer+0x6f0/0x6f0
[  247.312930] (ME) 
[  247.315176]  ndisc_alloc_skb+0x144/0x340
[  247.320596] 483*8kB 
[  247.323618]  ndisc_send_rs+0x331/0x6e0
[  247.328003] (UME) 
[  247.330076]  addrconf_rs_timer+0x3c0/0x6f0
[  247.334110] 201*16kB (ME) 
[  247.336444]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.340303] 59*32kB (UME) 
[  247.342477]  call_timer_fn+0x272/0x920
[  247.346674] 15*64kB (UM) 
[  247.349527]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.353734] 0*128kB 0*256kB 
[  247.356591]  ? process_timeout+0x40/0x40
[  247.360460] 0*512kB 
[  247.363218]  ? find_held_lock+0x36/0x1c0
[  247.367430] 0*1024kB 0*2048kB 
[  247.370463]  ? __run_timers+0x7da/0xc70
[  247.374495] 0*4096kB = 13844kB
[  247.376832]  ? _raw_spin_unlock_irq+0x27/0x80
[  247.380879] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  247.384065]  ? _raw_spin_unlock_irq+0x27/0x80
[  247.388025] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  247.391232]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.395711] 1697 total pagecache pages
[  247.404543]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  247.409041] 0 pages in swap cache
[  247.417615]  ? trace_hardirqs_on+0xbd/0x310
[  247.421833] Swap cache stats: add 0, delete 0, find 0/0
[  247.425745]  ? kasan_check_read+0x11/0x20
[  247.430306] Free swap  = 0kB
[  247.433757]  ? __run_timers+0x7da/0xc70
[  247.438057] Total swap = 0kB
[  247.443452]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  247.447581] 1965979 pages RAM
[  247.450603]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.454554] 0 pages HighMem/MovableOnly
[  247.454564] 342744 pages reserved
[  247.457590]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.463016] 0 pages cma reserved
[  247.466129]  __run_timers+0x7e5/0xc70
[  247.470491] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  247.474431]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  247.477967] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  247.482121]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  247.485462] ksoftirqd/0 cpuset=
[  247.489276]  ? rcu_bh_qs+0xc0/0xc0
[  247.495751] /
[  247.501117]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.511457]  mems_allowed=0
[  247.516737]  ? check_preemption_disabled+0x48/0x200
[  247.538699]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  247.543468]  ? retint_kernel+0x2d/0x2d
[  247.547377]  ? trace_hardirqs_on_caller+0xc0/0x300
[  247.552317]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  247.557081]  ? trace_hardirqs_off_caller+0x300/0x300
[  247.562216]  ? check_preemption_disabled+0x48/0x200
[  247.567240]  ? graph_lock+0x170/0x170
[  247.571056]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.576603]  ? check_preemption_disabled+0x48/0x200
[  247.581638]  ? __lock_is_held+0xb5/0x140
[  247.585717]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.591254]  ? check_preemption_disabled+0x48/0x200
[  247.596277]  run_timer_softirq+0x52/0xb0
[  247.600342]  ? rcu_read_lock_sched_held+0x108/0x120
[  247.605367]  __do_softirq+0x30b/0xad8
[  247.609184]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  247.614301]  ? pvclock_read_flags+0x160/0x160
[  247.618803]  ? lapic_next_event+0x5a/0x90
[  247.622979]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.628517]  ? check_preemption_disabled+0x48/0x200
[  247.633545]  ? check_preemption_disabled+0x48/0x200
[  247.638582]  ? kvm_clock_read+0x18/0x30
[  247.642560]  ? kvm_sched_clock_read+0x9/0x20
[  247.646972]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.652514]  ? check_preemption_disabled+0x48/0x200
[  247.657645]  irq_exit+0x17f/0x1c0
[  247.661114]  smp_apic_timer_interrupt+0x1cb/0x760
[  247.665966]  ? smp_reschedule_interrupt+0x109/0x650
[  247.670987]  ? smp_call_function_single_interrupt+0x650/0x650
[  247.676874]  ? interrupt_entry+0xb5/0xf0
[  247.680948]  ? trace_hardirqs_off_caller+0xbb/0x300
[  247.685967]  ? trace_hardirqs_off_caller+0xbb/0x300
[  247.690988]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  247.695851]  ? trace_hardirqs_off+0x300/0x300
[  247.700349]  ? trace_hardirqs_off+0x300/0x300
[  247.704852]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.710399]  ? check_preemption_disabled+0x48/0x200
[  247.715424]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.721005]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  247.725864]  apic_timer_interrupt+0xf/0x20
[  247.730098]  </IRQ>
[  247.732350] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  247.737288] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 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 9a 42
[  247.756189] RSP: 0018:ffff88019cfa7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  247.763927] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  247.771200] RDX: 0000000000000000 RSI: ffff88019d338900 RDI: 0000000000000282
[  247.778471] RBP: ffff88019cfa77b0 R08: ffff88019d338080 R09: 0000000000000000
[  247.785749] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  247.793020] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  247.800333]  skb_clone+0x1bb/0x500
[  247.803881]  ? finish_task_switch+0x2f5/0x900
[  247.808383]  ? skb_split+0x11e0/0x11e0
[  247.812281]  ? preempt_notifier_register+0x200/0x200
[  247.817388]  ? __switch_to_asm+0x34/0x70
[  247.821458]  ? __switch_to_asm+0x34/0x70
[  247.825524]  ? __switch_to_asm+0x40/0x70
[  247.829585]  ? __switch_to_asm+0x34/0x70
[  247.833647]  ? __switch_to_asm+0x40/0x70
[  247.837710]  ? __switch_to_asm+0x34/0x70
[  247.841773]  ? __switch_to_asm+0x40/0x70
[  247.845840]  ? __switch_to_asm+0x34/0x70
[  247.849913]  ? __switch_to_asm+0x34/0x70
[  247.853975]  ? __switch_to_asm+0x40/0x70
[  247.858041]  ? __switch_to_asm+0x34/0x70
[  247.862130]  bpf_clone_redirect+0xb9/0x490
[  247.866380]  ? __schedule+0x874/0x1ed0
[  247.870290]  bpf_prog_bebbfe2050753572+0x482/0x1000
[  247.875322]  ? __sched_text_start+0x8/0x8
[  247.879488]  ? find_held_lock+0x36/0x1c0
[  247.883571]  ? lock_acquire+0x1ed/0x520
[  247.887585]  ? bpf_test_run+0x32e/0x5a0
[  247.891567]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.897111]  ? check_preemption_disabled+0x48/0x200
[  247.902143]  ? kasan_check_read+0x11/0x20
[  247.906298]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  247.911583]  ? rcu_bh_qs+0xc0/0xc0
[  247.915130]  ? preempt_schedule+0x4d/0x60
[  247.919285]  ? ___preempt_schedule+0x16/0x18
[  247.923707]  ? bpf_test_run+0x1c0/0x5a0
[  247.927699]  ? netlink_diag_dump+0x2a0/0x2a0
[  247.932119]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  247.937657]  ? bpf_test_init.isra.9+0x70/0x100
[  247.942248]  ? bpf_prog_test_run_skb+0x634/0xb40
[  247.947019]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  247.951865]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  247.957405]  ? fput+0x130/0x1a0
[  247.960691]  ? __bpf_prog_get+0x9b/0x290
[  247.964757]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  247.969614]  ? bpf_prog_test_run+0x130/0x1a0
[  247.974043]  ? __x64_sys_bpf+0x3d8/0x510
[  247.978108]  ? bpf_prog_get+0x20/0x20
[  247.981937]  ? ksys_ioctl+0x81/0xd0
[  247.985581]  ? do_syscall_64+0x1b9/0x820
[  247.989646]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  247.995018]  ? syscall_return_slowpath+0x5e0/0x5e0
[  247.999955]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  248.004808]  ? trace_hardirqs_off+0x300/0x300
[  248.009306]  ? prepare_exit_to_usermode+0x291/0x3b0
[  248.014330]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  248.019186]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  248.024571] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
[  248.024662] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  248.031343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  248.031349] Call Trace:
[  248.031368]  dump_stack+0x1c4/0x2b4
[  248.031398]  ? dump_stack_print_info.cold.2+0x52/0x52
[  248.038046] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  248.047744]  warn_alloc.cold.118+0xb7/0x1bd
[  248.050304] syz-executor1 cpuset=
[  248.053938]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  248.059105] syz1
[  248.069585]  ? lock_downgrade+0x900/0x900
[  248.073975]  mems_allowed=0
[  248.077434]  ? trace_hardirqs_off+0xb8/0x300
[  248.095682]  ? trace_hardirqs_off+0xb8/0x300
[  248.100100]  __alloc_pages_slowpath+0x2667/0x2d80
[  248.104979]  ? mark_held_locks+0x130/0x130
[  248.109248]  ? warn_alloc+0x120/0x120
[  248.113055]  ? warn_alloc+0x120/0x120
[  248.116860]  ? print_usage_bug+0xc0/0xc0
[  248.120922]  ? warn_alloc+0x120/0x120
[  248.124736]  ? print_usage_bug+0xc0/0xc0
[  248.128814]  ? __lock_acquire+0x7ec/0x4ec0
[  248.133082]  ? __lock_acquire+0x7ec/0x4ec0
[  248.137323]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  248.142876]  ? should_fail+0x22d/0xd01
[  248.146776]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  248.151882]  ? __lock_acquire+0x7ec/0x4ec0
[  248.156131]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  248.161266]  ? __lock_acquire+0x7ec/0x4ec0
[  248.165496]  ? should_fail+0x22d/0xd01
[  248.169390]  ? print_usage_bug+0xc0/0xc0
[  248.173569]  ? mark_held_locks+0x130/0x130
[  248.177811]  ? mark_held_locks+0x130/0x130
[  248.182058]  ? graph_lock+0x170/0x170
[  248.185863]  ? print_usage_bug+0xc0/0xc0
[  248.189941]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  248.194705]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.200246]  ? check_preemption_disabled+0x48/0x200
[  248.205262]  ? check_preemption_disabled+0x48/0x200
[  248.210302]  ? __lock_is_held+0xb5/0x140
[  248.214368]  __alloc_pages_nodemask+0xa80/0xde0
[  248.219064]  ? graph_lock+0x170/0x170
[  248.222872]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  248.227928]  ? graph_lock+0x170/0x170
[  248.231755]  ? find_held_lock+0x36/0x1c0
[  248.235830]  ? ____cache_alloc_node+0x1c7/0x1e0
[  248.240507]  ? lock_downgrade+0x900/0x900
[  248.244667]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.250216]  cache_grow_begin+0x91/0x8c0
[  248.254310]  ? do_raw_spin_unlock+0xa7/0x2f0
[  248.258751]  fallback_alloc+0x203/0x2e0
[  248.262739]  ____cache_alloc_node+0x1c7/0x1e0
[  248.267244]  kmem_cache_alloc_node+0xe3/0x730
[  248.271746]  ? ipv6_get_ifaddr+0x42e/0x620
[  248.276007]  __alloc_skb+0x119/0x770
[  248.279724]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  248.285004]  ? skb_scrub_packet+0x490/0x490
[  248.289322]  ? lock_downgrade+0x900/0x900
[  248.293516]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.299059]  ? refcount_sub_and_test_checked+0x203/0x310
[  248.304519]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  248.309973]  ? addrconf_rs_timer+0x6f0/0x6f0
[  248.314435]  ndisc_alloc_skb+0x144/0x340
[  248.318508]  ndisc_send_rs+0x331/0x6e0
[  248.322415]  addrconf_rs_timer+0x3c0/0x6f0
[  248.326661]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  248.330933]  call_timer_fn+0x272/0x920
[  248.334836]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  248.339076]  ? process_timeout+0x40/0x40
[  248.343134]  ? find_held_lock+0x36/0x1c0
[  248.347226]  ? __run_timers+0x7da/0xc70
[  248.351208]  ? _raw_spin_unlock_irq+0x27/0x80
[  248.355717]  ? _raw_spin_unlock_irq+0x27/0x80
[  248.360210]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  248.364456]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  248.369076]  ? trace_hardirqs_on+0xbd/0x310
[  248.373436]  ? kasan_check_read+0x11/0x20
[  248.377601]  ? __run_timers+0x7da/0xc70
[  248.381579]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  248.387038]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  248.391277]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  248.395526]  __run_timers+0x7e5/0xc70
[  248.399373]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  248.404750]  ? compat_start_thread+0x80/0x80
[  248.409166]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.414716]  ? kasan_check_write+0x14/0x20
[  248.418954]  ? finish_task_switch+0x2f5/0x900
[  248.423449]  ? __switch_to_asm+0x40/0x70
[  248.427513]  ? preempt_notifier_register+0x200/0x200
[  248.432620]  ? __switch_to_asm+0x34/0x70
[  248.436684]  ? __switch_to_asm+0x40/0x70
[  248.440743]  ? __switch_to_asm+0x34/0x70
[  248.444806]  ? __switch_to_asm+0x40/0x70
[  248.448866]  ? __switch_to_asm+0x34/0x70
[  248.452925]  ? __switch_to_asm+0x40/0x70
[  248.456999]  ? pvclock_read_flags+0x160/0x160
[  248.461509]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.467075]  ? check_preemption_disabled+0x48/0x200
[  248.472104]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  248.477644]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  248.482937]  ? rcu_pm_notify+0xc0/0xc0
[  248.486840]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.492386]  ? check_preemption_disabled+0x48/0x200
[  248.497428]  run_timer_softirq+0x52/0xb0
[  248.501495]  ? rcu_read_lock_sched_held+0x108/0x120
[  248.506515]  __do_softirq+0x30b/0xad8
[  248.510329]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  248.515449]  ? schedule+0x108/0x460
[  248.519080]  ? __schedule+0x1ed0/0x1ed0
[  248.523061]  ? trace_hardirqs_off+0xb8/0x300
[  248.527474]  ? ___might_sleep+0x1ed/0x300
[  248.531622]  ? smpboot_thread_fn+0x68b/0xa00
[  248.536049]  ? trace_hardirqs_on+0x310/0x310
[  248.540458]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  248.546000]  ? check_preemption_disabled+0x48/0x200
[  248.551041]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.556582]  ? takeover_tasklets+0xa90/0xa90
[  248.560994]  run_ksoftirqd+0x94/0x100
[  248.564799]  smpboot_thread_fn+0x68b/0xa00
[  248.569037]  ? sort_range+0x30/0x30
[  248.572679]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  248.577787]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  248.583333]  ? __kthread_parkme+0xfb/0x1a0
[  248.587574]  kthread+0x35a/0x420
[  248.590938]  ? sort_range+0x30/0x30
[  248.594577]  ? kthread_bind+0x40/0x40
[  248.598391]  ret_from_fork+0x3a/0x50
[  248.602159] CPU: 1 PID: 10110 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
[  248.602178] warn_alloc_show_mem: 1 callbacks suppressed
[  248.602185] Mem-Info:
[  248.609500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  248.614870] active_anon:39159 inactive_anon:1633 isolated_anon:0
[  248.614870]  active_file:15 inactive_file:16 isolated_file:0
[  248.614870]  unevictable:0 dirty:0 writeback:0 unstable:0
[  248.614870]  slab_reclaimable:8773 slab_unreclaimable:1470459
[  248.614870]  mapped:49330 shmem:1666 pagetables:630 bounce:0
[  248.614870]  free:13723 free_pcp:275 free_cma:0
[  248.617249] Call Trace:
[  248.626639] Node 0 active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197320kB dirty:0kB writeback:0kB shmem:6664kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  248.659664]  <IRQ>
[  248.662239] Node 0 
[  248.689917]  dump_stack+0x1c4/0x2b4
[  248.692062] 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
[  248.694272]  ? dump_stack_print_info.cold.2+0x52/0x52
[  248.697879] lowmem_reserve[]:
[  248.723407]  warn_alloc.cold.118+0xb7/0x1bd
[  248.728581]  0
[  248.731687]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  248.735984]  2817
[  248.737784]  ? lock_downgrade+0x900/0x900
[  248.742598]  6321 6321
[  248.744673]  ? trace_hardirqs_off+0xb8/0x300
[  248.748796] Node 0 
[  248.751330]  ? trace_hardirqs_off+0xb8/0x300
[  248.751345]  __alloc_pages_slowpath+0x2667/0x2d80
[  248.751368]  ? warn_alloc+0x120/0x120
[  248.751379]  ? trace_hardirqs_on+0x310/0x310
[  248.751393]  ? warn_alloc+0x120/0x120
[  248.751416]  ? print_usage_bug+0xc0/0xc0
[  248.755837] DMA32 free:25172kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  248.758046]  ? warn_alloc+0x120/0x120
[  248.762428] lowmem_reserve[]: 0
[  248.767278]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  248.771044]  0 3503
[  248.775483]  ? print_usage_bug+0xc0/0xc0
[  248.779281]  3503
[  248.783362]  ? __lock_acquire+0x7ec/0x4ec0
[  248.810065] Node 0 
[  248.813863]  ? __lock_acquire+0x7ec/0x4ec0
[  248.817149] Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5408kB pagetables:2520kB bounce:0kB free_pcp:852kB local_pcp:604kB free_cma:0kB
[  248.822142]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  248.824349] lowmem_reserve[]: 0
[  248.828416]  ? should_fail+0x22d/0xd01
[  248.830474]  0
[  248.834706]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  248.836918]  0
[  248.841148]  ? __lock_acquire+0x7ec/0x4ec0
[  248.869494]  0
[  248.875030]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  248.878297] Node 0 
[  248.882180]  ? __lock_acquire+0x7ec/0x4ec0
[  248.883955] DMA: 1*4kB 
[  248.889064]  ? should_fail+0x22d/0xd01
[  248.890842] (U) 
[  248.895070]  ? print_usage_bug+0xc0/0xc0
[  248.896853] 0*8kB 0*16kB 
[  248.902019]  ? mark_held_locks+0x130/0x130
[  248.904236] 1*32kB (U) 
[  248.908474]  ? mark_held_locks+0x130/0x130
[  248.911033] 2*64kB (U) 
[  248.914936]  ? graph_lock+0x170/0x170
[  248.916885] 1*128kB (U) 
[  248.920996]  ? print_usage_bug+0xc0/0xc0
[  248.923728] 1*256kB (U) 
[  248.927988]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  248.930554] 0*512kB 
[  248.934808]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.937422] 1*1024kB 
[  248.941224]  ? check_preemption_disabled+0x48/0x200
[  248.943864] (U) 1*2048kB 
[  248.947938]  ? check_preemption_disabled+0x48/0x200
[  248.950588] (M) 
[  248.955344]  ? __lock_is_held+0xb5/0x140
[  248.957642] 3*4096kB 
[  248.963188]  __alloc_pages_nodemask+0xa80/0xde0
[  248.965588] (M) 
[  248.970599]  ? graph_lock+0x170/0x170
[  248.973345] = 15908kB
[  248.978368]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  248.980332] Node 0 
[  248.984395]  ? graph_lock+0x170/0x170
[  248.986786] DMA32: 3*4kB 
[  248.991477]  ? find_held_lock+0x36/0x1c0
[  248.993428] (UM) 
[  248.997244]  ? ____cache_alloc_node+0x1c7/0x1e0
[  248.999625] 1*8kB (U) 
[  249.004650]  ? lock_downgrade+0x900/0x900
[  249.006869] 4*16kB (UM) 
[  249.010696]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.013448] 2*32kB (UM) 
[  249.017517]  cache_grow_begin+0x91/0x8c0
[  249.019554] 3*64kB (UM) 
[  249.024228]  ? do_raw_spin_unlock+0xa7/0x2f0
[  249.026703] 4*128kB 
[  249.030852]  fallback_alloc+0x203/0x2e0
[  249.033496] (UM) 3*256kB 
[  249.039052]  ____cache_alloc_node+0x1c7/0x1e0
[  249.041691] (UM) 
[  249.045964]  kmem_cache_alloc_node+0xe3/0x730
[  249.048610] 4*512kB (UM) 
[  249.053029]  ? ipv6_get_ifaddr+0x42e/0x620
[  249.055349] 3*1024kB (M) 
[  249.059377]  __alloc_skb+0x119/0x770
[  249.062148] 3*2048kB 
[  249.066643]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  249.068700] (UM) 
[  249.073191]  ? skb_scrub_packet+0x490/0x490
[  249.075940] 3*4096kB 
[  249.080281]  ? lock_downgrade+0x900/0x900
[  249.083025] (M) 
[  249.086751]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.089136] = 25172kB
[  249.089146] Node 0 
[  249.094431]  ? refcount_sub_and_test_checked+0x203/0x310
[  249.096473] Normal: 
[  249.100795]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  249.103188] 979*4kB 
[  249.107351]  ? addrconf_rs_timer+0x6f0/0x6f0
[  249.109307] (ME) 
[  249.114853]  ndisc_alloc_skb+0x144/0x340
[  249.117231] 483*8kB (UME) 
[  249.119483]  ndisc_send_rs+0x331/0x6e0
[  249.124905] 201*16kB (ME) 
[  249.127267]  addrconf_rs_timer+0x3c0/0x6f0
[  249.132696] 59*32kB (UME) 
[  249.135035]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  249.139429] 15*64kB (UM) 
[  249.141517]  call_timer_fn+0x272/0x920
[  249.145540] 0*128kB 0*256kB 
[  249.148403]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  249.152517] 0*512kB 0*1024kB 
[  249.155384]  ? process_timeout+0x40/0x40
[  249.159590] 0*2048kB 
[  249.162437]  ? find_held_lock+0x36/0x1c0
[  249.166666] 0*4096kB = 13844kB
[  249.169442]  ? __run_timers+0x7da/0xc70
[  249.173334] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  249.176344]  ? _raw_spin_unlock_irq+0x27/0x80
[  249.180570] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  249.183671]  ? _raw_spin_unlock_irq+0x27/0x80
[  249.187712] 1697 total pagecache pages
[  249.190138]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  249.194184] 0 pages in swap cache
[  249.197371]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  249.201327] Swap cache stats: add 0, delete 0, find 0/0
[  249.201337] Free swap  = 0kB
[  249.210171]  ? trace_hardirqs_on+0xbd/0x310
[  249.214646] Total swap = 0kB
[  249.223221]  ? kasan_check_read+0x11/0x20
[  249.227692] 1965979 pages RAM
[  249.231576]  ? __run_timers+0x7da/0xc70
[  249.235783] 0 pages HighMem/MovableOnly
[  249.235793] 342744 pages reserved
[  249.239245]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  249.243809] 0 pages cma reserved
[  249.243959] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  249.249212]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  249.249233]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  249.249252]  __run_timers+0x7e5/0xc70
[  249.252334] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  249.256587]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  249.259578] ksoftirqd/0 cpuset=
[  249.263732]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  249.266814] /
[  249.270805]  ? rcu_bh_qs+0xc0/0xc0
[  249.274773]  mems_allowed=0
[  249.278222]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.343574]  ? check_preemption_disabled+0x48/0x200
[  249.348605]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  249.353397]  ? retint_kernel+0x2d/0x2d
[  249.357296]  ? trace_hardirqs_on_caller+0xc0/0x300
[  249.362232]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  249.366992]  ? trace_hardirqs_off_caller+0x300/0x300
[  249.372105]  ? check_preemption_disabled+0x48/0x200
[  249.377131]  ? graph_lock+0x170/0x170
[  249.380949]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.386497]  ? check_preemption_disabled+0x48/0x200
[  249.391534]  ? __lock_is_held+0xb5/0x140
[  249.395742]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.401297]  ? check_preemption_disabled+0x48/0x200
[  249.406328]  run_timer_softirq+0x52/0xb0
[  249.410403]  ? rcu_read_lock_sched_held+0x108/0x120
[  249.415429]  __do_softirq+0x30b/0xad8
[  249.419450]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  249.424571]  ? pvclock_read_flags+0x160/0x160
[  249.429069]  ? lapic_next_event+0x5a/0x90
[  249.433235]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.438782]  ? check_preemption_disabled+0x48/0x200
[  249.443802]  ? check_preemption_disabled+0x48/0x200
[  249.448828]  ? kvm_clock_read+0x18/0x30
[  249.452846]  ? kvm_sched_clock_read+0x9/0x20
[  249.457260]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.462801]  ? check_preemption_disabled+0x48/0x200
[  249.467838]  irq_exit+0x17f/0x1c0
[  249.471296]  smp_apic_timer_interrupt+0x1cb/0x760
[  249.476164]  ? smp_reschedule_interrupt+0x109/0x650
[  249.481204]  ? smp_call_function_single_interrupt+0x650/0x650
[  249.487095]  ? interrupt_entry+0xb5/0xf0
[  249.491164]  ? trace_hardirqs_off_caller+0xbb/0x300
[  249.496214]  ? trace_hardirqs_off_caller+0xbb/0x300
[  249.501249]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  249.506120]  ? trace_hardirqs_off+0x300/0x300
[  249.510617]  ? trace_hardirqs_off+0x300/0x300
[  249.515126]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.520797]  ? check_preemption_disabled+0x48/0x200
[  249.525962]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.531520]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  249.536387]  apic_timer_interrupt+0xf/0x20
[  249.540618]  </IRQ>
[  249.542885] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  249.547838] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 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 9a 42
[  249.566738] RSP: 0018:ffff88019cfa7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  249.574591] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  249.581862] RDX: 0000000000000000 RSI: ffff88019d338900 RDI: 0000000000000282
[  249.589130] RBP: ffff88019cfa77b0 R08: ffff88019d338080 R09: 0000000000000000
[  249.596404] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  249.603679] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  249.610999]  skb_clone+0x1bb/0x500
[  249.614546]  ? finish_task_switch+0x2f5/0x900
[  249.619051]  ? skb_split+0x11e0/0x11e0
[  249.622957]  ? preempt_notifier_register+0x200/0x200
[  249.628066]  ? __switch_to_asm+0x34/0x70
[  249.632142]  ? __switch_to_asm+0x34/0x70
[  249.636310]  ? __switch_to_asm+0x40/0x70
[  249.640368]  ? __switch_to_asm+0x34/0x70
[  249.644443]  ? __switch_to_asm+0x40/0x70
[  249.648503]  ? __switch_to_asm+0x34/0x70
[  249.652568]  ? __switch_to_asm+0x40/0x70
[  249.656633]  ? __switch_to_asm+0x34/0x70
[  249.660697]  ? __switch_to_asm+0x34/0x70
[  249.664770]  ? __switch_to_asm+0x40/0x70
[  249.668831]  ? __switch_to_asm+0x34/0x70
[  249.672910]  bpf_clone_redirect+0xb9/0x490
[  249.677289]  ? __schedule+0x874/0x1ed0
[  249.681195]  bpf_prog_bebbfe2050753572+0x482/0x1000
[  249.686217]  ? __sched_text_start+0x8/0x8
[  249.690396]  ? find_held_lock+0x36/0x1c0
[  249.694477]  ? lock_acquire+0x1ed/0x520
[  249.698455]  ? bpf_test_run+0x32e/0x5a0
[  249.702437]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.707993]  ? check_preemption_disabled+0x48/0x200
[  249.713026]  ? kasan_check_read+0x11/0x20
[  249.717278]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  249.722564]  ? rcu_bh_qs+0xc0/0xc0
[  249.726110]  ? preempt_schedule+0x4d/0x60
[  249.730263]  ? ___preempt_schedule+0x16/0x18
[  249.734681]  ? bpf_test_run+0x1c0/0x5a0
[  249.738678]  ? netlink_diag_dump+0x2a0/0x2a0
[  249.743094]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  249.748632]  ? bpf_test_init.isra.9+0x70/0x100
[  249.753222]  ? bpf_prog_test_run_skb+0x634/0xb40
[  249.757991]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  249.762834]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  249.768402]  ? fput+0x130/0x1a0
[  249.771688]  ? __bpf_prog_get+0x9b/0x290
[  249.775868]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  249.780714]  ? bpf_prog_test_run+0x130/0x1a0
[  249.785129]  ? __x64_sys_bpf+0x3d8/0x510
[  249.789194]  ? bpf_prog_get+0x20/0x20
[  249.793012]  ? ksys_ioctl+0x81/0xd0
[  249.796654]  ? do_syscall_64+0x1b9/0x820
[  249.800723]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  249.806105]  ? syscall_return_slowpath+0x5e0/0x5e0
[  249.811038]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  249.815909]  ? trace_hardirqs_off+0x300/0x300
[  249.820416]  ? prepare_exit_to_usermode+0x291/0x3b0
[  249.825449]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  249.830309]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  249.835699] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
[  249.835794] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  249.842467] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  249.842473] Call Trace:
[  249.842499]  dump_stack+0x1c4/0x2b4
[  249.842516]  ? dump_stack_print_info.cold.2+0x52/0x52
[  249.842545]  warn_alloc.cold.118+0xb7/0x1bd
[  249.849116] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  249.858372]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  249.860959] syz-executor1 cpuset=
[  249.864585]  ? lock_downgrade+0x900/0x900
[  249.869756] syz1
[  249.874087]  ? trace_hardirqs_off+0xb8/0x300
[  249.884558]  mems_allowed=0
[  249.889401]  ? trace_hardirqs_off+0xb8/0x300
[  249.910669]  __alloc_pages_slowpath+0x2667/0x2d80
[  249.915542]  ? mark_held_locks+0x130/0x130
[  249.919791]  ? warn_alloc+0x120/0x120
[  249.923603]  ? warn_alloc+0x120/0x120
[  249.927420]  ? print_usage_bug+0xc0/0xc0
[  249.931486]  ? warn_alloc+0x120/0x120
[  249.935292]  ? print_usage_bug+0xc0/0xc0
[  249.939361]  ? __lock_acquire+0x7ec/0x4ec0
[  249.943601]  ? __lock_acquire+0x7ec/0x4ec0
[  249.947842]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  249.953382]  ? should_fail+0x22d/0xd01
[  249.957285]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  249.962397]  ? __lock_acquire+0x7ec/0x4ec0
[  249.966650]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  249.971755]  ? __lock_acquire+0x7ec/0x4ec0
[  249.975991]  ? should_fail+0x22d/0xd01
[  249.979900]  ? mark_held_locks+0x130/0x130
[  249.984145]  ? mark_held_locks+0x130/0x130
[  249.988387]  ? graph_lock+0x170/0x170
[  249.992195]  ? graph_lock+0x170/0x170
[  249.996009]  ? graph_lock+0x170/0x170
[  249.999816]  ? print_usage_bug+0xc0/0xc0
[  250.003880]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.009429]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.014974]  ? check_preemption_disabled+0x48/0x200
[  250.019994]  ? check_preemption_disabled+0x48/0x200
[  250.025027]  ? __lock_is_held+0xb5/0x140
[  250.029103]  __alloc_pages_nodemask+0xa80/0xde0
[  250.033777]  ? graph_lock+0x170/0x170
[  250.037587]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  250.042604]  ? graph_lock+0x170/0x170
[  250.046911]  ? find_held_lock+0x36/0x1c0
[  250.050992]  ? ____cache_alloc_node+0x1c7/0x1e0
[  250.055666]  ? lock_downgrade+0x900/0x900
[  250.059831]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.065392]  cache_grow_begin+0x91/0x8c0
[  250.069470]  ? do_raw_spin_unlock+0xa7/0x2f0
[  250.073890]  fallback_alloc+0x203/0x2e0
[  250.077879]  ____cache_alloc_node+0x1c7/0x1e0
[  250.082395]  kmem_cache_alloc_node+0xe3/0x730
[  250.086903]  ? ipv6_get_ifaddr+0x42e/0x620
[  250.091154]  __alloc_skb+0x119/0x770
[  250.094874]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  250.100186]  ? skb_scrub_packet+0x490/0x490
[  250.104512]  ? lock_downgrade+0x900/0x900
[  250.108677]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.114220]  ? refcount_sub_and_test_checked+0x203/0x310
[  250.119681]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  250.125153]  ? addrconf_rs_timer+0x6f0/0x6f0
[  250.129580]  ndisc_alloc_skb+0x144/0x340
[  250.133656]  ndisc_send_rs+0x331/0x6e0
[  250.137556]  addrconf_rs_timer+0x3c0/0x6f0
[  250.141800]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.146057]  call_timer_fn+0x272/0x920
[  250.149949]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.154194]  ? process_timeout+0x40/0x40
[  250.158259]  ? find_held_lock+0x36/0x1c0
[  250.162335]  ? __run_timers+0x7da/0xc70
[  250.166318]  ? _raw_spin_unlock_irq+0x27/0x80
[  250.170823]  ? _raw_spin_unlock_irq+0x27/0x80
[  250.175322]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.179577]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  250.184169]  ? trace_hardirqs_on+0xbd/0x310
[  250.188502]  ? kasan_check_read+0x11/0x20
[  250.192659]  ? __run_timers+0x7da/0xc70
[  250.196645]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  250.202112]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.206364]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.210618]  __run_timers+0x7e5/0xc70
[  250.214452]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  250.219819]  ? compat_start_thread+0x80/0x80
[  250.224253]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.229804]  ? kasan_check_write+0x14/0x20
[  250.234048]  ? finish_task_switch+0x2f5/0x900
[  250.238551]  ? __switch_to_asm+0x40/0x70
[  250.242622]  ? preempt_notifier_register+0x200/0x200
[  250.247730]  ? __switch_to_asm+0x34/0x70
[  250.251793]  ? __switch_to_asm+0x40/0x70
[  250.255855]  ? __switch_to_asm+0x34/0x70
[  250.259915]  ? __switch_to_asm+0x40/0x70
[  250.263981]  ? __switch_to_asm+0x34/0x70
[  250.268042]  ? __switch_to_asm+0x40/0x70
[  250.272126]  ? pvclock_read_flags+0x160/0x160
[  250.276627]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.282171]  ? check_preemption_disabled+0x48/0x200
[  250.287202]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  250.292744]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  250.298027]  ? rcu_pm_notify+0xc0/0xc0
[  250.301918]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.307465]  ? check_preemption_disabled+0x48/0x200
[  250.312494]  run_timer_softirq+0x52/0xb0
[  250.316561]  ? rcu_read_lock_sched_held+0x108/0x120
[  250.321582]  __do_softirq+0x30b/0xad8
[  250.325415]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  250.330534]  ? schedule+0x108/0x460
[  250.334175]  ? __schedule+0x1ed0/0x1ed0
[  250.338161]  ? trace_hardirqs_off+0xb8/0x300
[  250.342580]  ? ___might_sleep+0x1ed/0x300
[  250.346733]  ? smpboot_thread_fn+0x68b/0xa00
[  250.351146]  ? trace_hardirqs_on+0x310/0x310
[  250.355561]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  250.361107]  ? check_preemption_disabled+0x48/0x200
[  250.366127]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.371671]  ? takeover_tasklets+0xa90/0xa90
[  250.376086]  run_ksoftirqd+0x94/0x100
[  250.379890]  smpboot_thread_fn+0x68b/0xa00
[  250.384140]  ? sort_range+0x30/0x30
[  250.387783]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  250.392891]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  250.398443]  ? __kthread_parkme+0xfb/0x1a0
[  250.402689]  kthread+0x35a/0x420
[  250.406059]  ? sort_range+0x30/0x30
[  250.409692]  ? kthread_bind+0x40/0x40
[  250.413502]  ret_from_fork+0x3a/0x50
[  250.417241] CPU: 1 PID: 10110 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
[  250.417247] warn_alloc_show_mem: 1 callbacks suppressed
[  250.417255] Mem-Info:
[  250.424539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  250.429912] active_anon:39159 inactive_anon:1633 isolated_anon:0
[  250.429912]  active_file:15 inactive_file:16 isolated_file:0
[  250.429912]  unevictable:0 dirty:0 writeback:0 unstable:0
[  250.429912]  slab_reclaimable:8773 slab_unreclaimable:1470459
[  250.429912]  mapped:49330 shmem:1666 pagetables:630 bounce:0
[  250.429912]  free:13723 free_pcp:275 free_cma:0
[  250.432297] Call Trace:
[  250.441693] Node 0 active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197320kB dirty:0kB writeback:0kB shmem:6664kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  250.474935]  <IRQ>
[  250.477520] Node 0 
[  250.505205]  dump_stack+0x1c4/0x2b4
[  250.507361] 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
[  250.509580]  ? dump_stack_print_info.cold.2+0x52/0x52
[  250.513185] lowmem_reserve[]:
[  250.538710]  warn_alloc.cold.118+0xb7/0x1bd
[  250.543877]  0
[  250.546994]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  250.551286]  2817
[  250.553094]  ? lock_downgrade+0x900/0x900
[  250.557918]  6321
[  250.559989]  ? trace_hardirqs_off+0xb8/0x300
[  250.564109]  6321
[  250.566173]  ? trace_hardirqs_off+0xb8/0x300
[  250.572750]  __alloc_pages_slowpath+0x2667/0x2d80
[  250.577129] Node 0 DMA32 free:25172kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  250.582004]  ? warn_alloc+0x120/0x120
[  250.582022]  ? trace_hardirqs_on+0x310/0x310
[  250.609339] lowmem_reserve[]:
[  250.613147]  ? warn_alloc+0x120/0x120
[  250.617539]  0
[  250.620646]  ? print_usage_bug+0xc0/0xc0
[  250.624437]  0
[  250.626244]  ? warn_alloc+0x120/0x120
[  250.630288]  3503
[  250.632093]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  250.635868]  3503
[  250.637934]  ? print_usage_bug+0xc0/0xc0
[  250.642931] Node 0 
[  250.644990]  ? __lock_acquire+0x7ec/0x4ec0
[  250.649057] Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5408kB pagetables:2520kB bounce:0kB free_pcp:852kB local_pcp:604kB free_cma:0kB
[  250.651267]  ? __lock_acquire+0x7ec/0x4ec0
[  250.655482] lowmem_reserve[]:
[  250.683861]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  250.688100]  0
[  250.691204]  ? should_fail+0x22d/0xd01
[  250.696712]  0 0
[  250.698525]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  250.702409]  0
[  250.704382]  ? __lock_acquire+0x7ec/0x4ec0
[  250.709482] Node 0 
[  250.711285]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  250.715494] DMA: 1*4kB 
[  250.717734]  ? __lock_acquire+0x7ec/0x4ec0
[  250.717752]  ? should_fail+0x22d/0xd01
[  250.722838] (U) 
[  250.725420]  ? print_usage_bug+0xc0/0xc0
[  250.725445]  ? mark_held_locks+0x130/0x130
[  250.729655] 0*8kB 
[  250.733539]  ? mark_held_locks+0x130/0x130
[  250.735497] 0*16kB 
[  250.739563]  ? graph_lock+0x170/0x170
[  250.743766] 1*32kB (U) 
[  250.745986]  ? print_usage_bug+0xc0/0xc0
[  250.750198] 2*64kB (U) 
[  250.752449]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  250.756220] 1*128kB (U) 1*256kB 
[  250.758825]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.762862] (U) 
[  250.765449]  ? check_preemption_disabled+0x48/0x200
[  250.770183] 0*512kB 
[  250.773553]  ? check_preemption_disabled+0x48/0x200
[  250.779066] 1*1024kB 
[  250.781053]  ? __lock_is_held+0xb5/0x140
[  250.786038] (U) 
[  250.788371]  __alloc_pages_nodemask+0xa80/0xde0
[  250.793366] 1*2048kB (M) 
[  250.795788]  ? graph_lock+0x170/0x170
[  250.799833] 3*4096kB 
[  250.801811]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  250.806453] (M) = 15908kB
[  250.809226]  ? graph_lock+0x170/0x170
[  250.813005] Node 0 
[  250.815425]  ? find_held_lock+0x36/0x1c0
[  250.820429] DMA32: 
[  250.823199]  ? ____cache_alloc_node+0x1c7/0x1e0
[  250.826975] 3*4kB 
[  250.829212]  ? lock_downgrade+0x900/0x900
[  250.833252] (UM) 
[  250.835493]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.840128] 1*8kB (U) 
[  250.842291]  cache_grow_begin+0x91/0x8c0
[  250.846422] 4*16kB 
[  250.848485]  ? do_raw_spin_unlock+0xa7/0x2f0
[  250.854002] (UM) 
[  250.856502]  fallback_alloc+0x203/0x2e0
[  250.860619] 2*32kB (UM) 
[  250.862868]  ____cache_alloc_node+0x1c7/0x1e0
[  250.867252] 3*64kB 
[  250.869318]  kmem_cache_alloc_node+0xe3/0x730
[  250.873274] (UM) 
[  250.875949]  ? ipv6_get_ifaddr+0x42e/0x620
[  250.880430] 4*128kB 
[  250.882672]  __alloc_skb+0x119/0x770
[  250.887138] (UM) 
[  250.889205]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  250.893418] 3*256kB (UM) 
[  250.895754]  ? skb_scrub_packet+0x490/0x490
[  250.899451] 4*512kB 
[  250.901512]  ? lock_downgrade+0x900/0x900
[  250.906765] (UM) 
[  250.909530]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.913826] 3*1024kB 
[  250.916150]  ? refcount_sub_and_test_checked+0x203/0x310
[  250.920272] (M) 
[  250.922334]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  250.927847] 3*2048kB (UM) 
[  250.930266]  ? addrconf_rs_timer+0x6f0/0x6f0
[  250.935695] 3*4096kB 
[  250.937692]  ndisc_alloc_skb+0x144/0x340
[  250.943110] (M) 
[  250.945959]  ndisc_send_rs+0x331/0x6e0
[  250.950352] = 25172kB
[  250.952766]  addrconf_rs_timer+0x3c0/0x6f0
[  250.956809] Node 0 
[  250.958791]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.962656] Normal: 
[  250.965080]  call_timer_fn+0x272/0x920
[  250.969288] 979*4kB 
[  250.971521]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.975757] (ME) 
[  250.978084]  ? process_timeout+0x40/0x40
[  250.981949] 483*8kB 
[  250.984274]  ? find_held_lock+0x36/0x1c0
[  250.988488] (UME) 
[  250.990565]  ? __run_timers+0x7da/0xc70
[  250.994590] 201*16kB (ME) 
[  250.996933]  ? _raw_spin_unlock_irq+0x27/0x80
[  251.000974] 59*32kB 
[  251.003121]  ? _raw_spin_unlock_irq+0x27/0x80
[  251.007073] (UME) 
[  251.009922]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  251.014421] 15*64kB (UM) 
[  251.016777]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  251.021244] 0*128kB 0*256kB 
[  251.023408]  ? trace_hardirqs_on+0xbd/0x310
[  251.027625] 0*512kB 
[  251.030393]  ? kasan_check_read+0x11/0x20
[  251.034940] 0*1024kB 
[  251.037965]  ? __run_timers+0x7da/0xc70
[  251.042266] 0*2048kB 
[  251.044826]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  251.048952] 0*4096kB 
[  251.051359]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  251.055311] = 13844kB
[  251.057717]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  251.063168] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  251.065572]  __run_timers+0x7e5/0xc70
[  251.069805] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  251.072230]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  251.076437] 1697 total pagecache pages
[  251.085270]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  251.089053] 0 pages in swap cache
[  251.097617]  ? rcu_bh_qs+0xc0/0xc0
[  251.102963] Swap cache stats: add 0, delete 0, find 0/0
[  251.106843]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.112097] Free swap  = 0kB
[  251.115550]  ? check_preemption_disabled+0x48/0x200
[  251.119078] Total swap = 0kB
[  251.124445]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  251.129959] 1965979 pages RAM
[  251.132978]  ? retint_kernel+0x2d/0x2d
[  251.137962] 0 pages HighMem/MovableOnly
[  251.137971] 342744 pages reserved
[  251.140987]  ? trace_hardirqs_on_caller+0xc0/0x300
[  251.145719] 0 pages cma reserved
[  251.148827]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  251.153031] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  251.156927]  ? trace_hardirqs_off_caller+0x300/0x300
[  251.160469] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  251.165300]  ? check_preemption_disabled+0x48/0x200
[  251.168640] ksoftirqd/0 cpuset=
[  251.173433]  ? graph_lock+0x170/0x170
[  251.179902] /
[  251.185008]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.195306]  mems_allowed=0
[  251.200322]  ? check_preemption_disabled+0x48/0x200
[  251.222563]  ? __lock_is_held+0xb5/0x140
[  251.226629]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.232170]  ? check_preemption_disabled+0x48/0x200
[  251.237198]  run_timer_softirq+0x52/0xb0
[  251.241291]  ? rcu_read_lock_sched_held+0x108/0x120
[  251.246317]  __do_softirq+0x30b/0xad8
[  251.250131]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  251.255241]  ? pvclock_read_flags+0x160/0x160
[  251.259748]  ? lapic_next_event+0x5a/0x90
[  251.263909]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.269452]  ? check_preemption_disabled+0x48/0x200
[  251.274472]  ? check_preemption_disabled+0x48/0x200
[  251.279499]  ? kvm_clock_read+0x18/0x30
[  251.283477]  ? kvm_sched_clock_read+0x9/0x20
[  251.287910]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.293450]  ? check_preemption_disabled+0x48/0x200
[  251.298483]  irq_exit+0x17f/0x1c0
[  251.301940]  smp_apic_timer_interrupt+0x1cb/0x760
[  251.306783]  ? smp_reschedule_interrupt+0x109/0x650
[  251.311798]  ? smp_call_function_single_interrupt+0x650/0x650
[  251.317695]  ? interrupt_entry+0xb5/0xf0
[  251.321761]  ? trace_hardirqs_off_caller+0xbb/0x300
[  251.326785]  ? trace_hardirqs_off_caller+0xbb/0x300
[  251.331806]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  251.336663]  ? trace_hardirqs_off+0x300/0x300
[  251.341157]  ? trace_hardirqs_off+0x300/0x300
[  251.345659]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.351197]  ? check_preemption_disabled+0x48/0x200
[  251.356352]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.361928]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  251.366783]  apic_timer_interrupt+0xf/0x20
[  251.371015]  </IRQ>
[  251.373259] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  251.378195] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 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 9a 42
[  251.397098] RSP: 0018:ffff88019cfa7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  251.404809] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  251.412099] RDX: 0000000000000000 RSI: ffff88019d338900 RDI: 0000000000000282
[  251.419390] RBP: ffff88019cfa77b0 R08: ffff88019d338080 R09: 0000000000000000
[  251.426659] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  251.433934] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  251.441253]  skb_clone+0x1bb/0x500
[  251.444794]  ? finish_task_switch+0x2f5/0x900
[  251.449301]  ? skb_split+0x11e0/0x11e0
[  251.453200]  ? preempt_notifier_register+0x200/0x200
[  251.458304]  ? __switch_to_asm+0x34/0x70
[  251.462392]  ? __switch_to_asm+0x34/0x70
[  251.466473]  ? __switch_to_asm+0x40/0x70
[  251.470534]  ? __switch_to_asm+0x34/0x70
[  251.474596]  ? __switch_to_asm+0x40/0x70
[  251.478658]  ? __switch_to_asm+0x34/0x70
[  251.482722]  ? __switch_to_asm+0x40/0x70
[  251.486780]  ? __switch_to_asm+0x34/0x70
[  251.490840]  ? __switch_to_asm+0x34/0x70
[  251.494900]  ? __switch_to_asm+0x40/0x70
[  251.498965]  ? __switch_to_asm+0x34/0x70
[  251.503034]  bpf_clone_redirect+0xb9/0x490
[  251.507294]  ? __schedule+0x874/0x1ed0
[  251.511217]  bpf_prog_bebbfe2050753572+0x482/0x1000
[  251.516236]  ? __sched_text_start+0x8/0x8
[  251.520405]  ? find_held_lock+0x36/0x1c0
[  251.524476]  ? lock_acquire+0x1ed/0x520
[  251.528449]  ? bpf_test_run+0x32e/0x5a0
[  251.532430]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.537971]  ? check_preemption_disabled+0x48/0x200
[  251.542999]  ? kasan_check_read+0x11/0x20
[  251.547154]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  251.552531]  ? rcu_bh_qs+0xc0/0xc0
[  251.556075]  ? preempt_schedule+0x4d/0x60
[  251.560228]  ? ___preempt_schedule+0x16/0x18
[  251.564648]  ? bpf_test_run+0x1c0/0x5a0
[  251.568637]  ? netlink_diag_dump+0x2a0/0x2a0
[  251.573053]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.578630]  ? bpf_test_init.isra.9+0x70/0x100
[  251.583219]  ? bpf_prog_test_run_skb+0x634/0xb40
[  251.587985]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  251.592827]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  251.598361]  ? fput+0x130/0x1a0
[  251.601649]  ? __bpf_prog_get+0x9b/0x290
[  251.605716]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  251.610557]  ? bpf_prog_test_run+0x130/0x1a0
[  251.614967]  ? __x64_sys_bpf+0x3d8/0x510
[  251.619040]  ? bpf_prog_get+0x20/0x20
[  251.622854]  ? ksys_ioctl+0x81/0xd0
[  251.626508]  ? do_syscall_64+0x1b9/0x820
[  251.630586]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  251.635952]  ? syscall_return_slowpath+0x5e0/0x5e0
[  251.640928]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  251.645789]  ? trace_hardirqs_off+0x300/0x300
[  251.650293]  ? prepare_exit_to_usermode+0x291/0x3b0
[  251.655337]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  251.660192]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  251.665577] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
[  251.665680] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  251.672353] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  251.672358] Call Trace:
[  251.672377]  dump_stack+0x1c4/0x2b4
[  251.672393]  ? dump_stack_print_info.cold.2+0x52/0x52
[  251.672427]  warn_alloc.cold.118+0xb7/0x1bd
[  251.679000] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  251.688251]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  251.690815] syz-executor1 cpuset=
[  251.694446]  ? lock_downgrade+0x900/0x900
[  251.699616] syz1
[  251.703938]  ? trace_hardirqs_off+0xb8/0x300
[  251.714405]  mems_allowed=0
[  251.719263]  ? trace_hardirqs_off+0xb8/0x300
[  251.740546]  __alloc_pages_slowpath+0x2667/0x2d80
[  251.745428]  ? mark_held_locks+0x130/0x130
[  251.749685]  ? warn_alloc+0x120/0x120
[  251.753509]  ? warn_alloc+0x120/0x120
[  251.757325]  ? print_usage_bug+0xc0/0xc0
[  251.761389]  ? warn_alloc+0x120/0x120
[  251.765193]  ? print_usage_bug+0xc0/0xc0
[  251.769268]  ? __lock_acquire+0x7ec/0x4ec0
[  251.773506]  ? __lock_acquire+0x7ec/0x4ec0
[  251.777767]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.783370]  ? should_fail+0x22d/0xd01
[  251.787275]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  251.792389]  ? __lock_acquire+0x7ec/0x4ec0
[  251.796650]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  251.801749]  ? __lock_acquire+0x7ec/0x4ec0
[  251.805993]  ? should_fail+0x22d/0xd01
[  251.809882]  ? print_usage_bug+0xc0/0xc0
[  251.813963]  ? mark_held_locks+0x130/0x130
[  251.818201]  ? mark_held_locks+0x130/0x130
[  251.822452]  ? graph_lock+0x170/0x170
[  251.826253]  ? print_usage_bug+0xc0/0xc0
[  251.830315]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  251.835077]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.840623]  ? check_preemption_disabled+0x48/0x200
[  251.845638]  ? check_preemption_disabled+0x48/0x200
[  251.850665]  ? __lock_is_held+0xb5/0x140
[  251.854735]  __alloc_pages_nodemask+0xa80/0xde0
[  251.859420]  ? graph_lock+0x170/0x170
[  251.863226]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  251.868237]  ? graph_lock+0x170/0x170
[  251.872059]  ? find_held_lock+0x36/0x1c0
[  251.876133]  ? ____cache_alloc_node+0x1c7/0x1e0
[  251.880816]  ? lock_downgrade+0x900/0x900
[  251.884986]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.890531]  cache_grow_begin+0x91/0x8c0
[  251.894598]  ? do_raw_spin_unlock+0xa7/0x2f0
[  251.899030]  fallback_alloc+0x203/0x2e0
[  251.903014]  ____cache_alloc_node+0x1c7/0x1e0
[  251.907523]  kmem_cache_alloc_node+0xe3/0x730
[  251.912022]  ? ipv6_get_ifaddr+0x42e/0x620
[  251.916266]  __alloc_skb+0x119/0x770
[  251.919979]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  251.925272]  ? skb_scrub_packet+0x490/0x490
[  251.929598]  ? lock_downgrade+0x900/0x900
[  251.933755]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.939296]  ? refcount_sub_and_test_checked+0x203/0x310
[  251.944747]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  251.950197]  ? addrconf_rs_timer+0x6f0/0x6f0
[  251.954617]  ndisc_alloc_skb+0x144/0x340
[  251.958679]  ndisc_send_rs+0x331/0x6e0
[  251.962578]  addrconf_rs_timer+0x3c0/0x6f0
[  251.966839]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  251.971111]  call_timer_fn+0x272/0x920
[  251.975008]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  251.979240]  ? process_timeout+0x40/0x40
[  251.983294]  ? find_held_lock+0x36/0x1c0
[  251.987363]  ? __run_timers+0x7da/0xc70
[  251.991340]  ? _raw_spin_unlock_irq+0x27/0x80
[  251.995843]  ? _raw_spin_unlock_irq+0x27/0x80
[  252.000349]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.004597]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  252.009182]  ? trace_hardirqs_on+0xbd/0x310
[  252.013503]  ? kasan_check_read+0x11/0x20
[  252.017741]  ? __run_timers+0x7da/0xc70
[  252.021719]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  252.027173]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.031418]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.035655]  __run_timers+0x7e5/0xc70
[  252.039491]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  252.045352]  ? compat_start_thread+0x80/0x80
[  252.049769]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.055323]  ? kasan_check_write+0x14/0x20
[  252.059568]  ? finish_task_switch+0x2f5/0x900
[  252.064083]  ? __switch_to_asm+0x40/0x70
[  252.068155]  ? preempt_notifier_register+0x200/0x200
[  252.073257]  ? __switch_to_asm+0x34/0x70
[  252.077339]  ? __switch_to_asm+0x40/0x70
[  252.081398]  ? __switch_to_asm+0x34/0x70
[  252.085482]  ? __switch_to_asm+0x40/0x70
[  252.089542]  ? __switch_to_asm+0x34/0x70
[  252.093605]  ? __switch_to_asm+0x40/0x70
[  252.097677]  ? pvclock_read_flags+0x160/0x160
[  252.102204]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.107759]  ? check_preemption_disabled+0x48/0x200
[  252.112784]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  252.118323]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  252.123612]  ? rcu_pm_notify+0xc0/0xc0
[  252.127507]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.133049]  ? check_preemption_disabled+0x48/0x200
[  252.138076]  run_timer_softirq+0x52/0xb0
[  252.142140]  ? rcu_read_lock_sched_held+0x108/0x120
[  252.147165]  __do_softirq+0x30b/0xad8
[  252.150981]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  252.156099]  ? schedule+0x108/0x460
[  252.159731]  ? __schedule+0x1ed0/0x1ed0
[  252.163717]  ? trace_hardirqs_off+0xb8/0x300
[  252.168130]  ? ___might_sleep+0x1ed/0x300
[  252.172280]  ? smpboot_thread_fn+0x68b/0xa00
[  252.176694]  ? trace_hardirqs_on+0x310/0x310
[  252.181114]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  252.186659]  ? check_preemption_disabled+0x48/0x200
[  252.191703]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.197246]  ? takeover_tasklets+0xa90/0xa90
[  252.201658]  run_ksoftirqd+0x94/0x100
[  252.205464]  smpboot_thread_fn+0x68b/0xa00
[  252.209704]  ? sort_range+0x30/0x30
[  252.213337]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  252.218448]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  252.223990]  ? __kthread_parkme+0xfb/0x1a0
[  252.228320]  kthread+0x35a/0x420
[  252.231689]  ? sort_range+0x30/0x30
[  252.235315]  ? kthread_bind+0x40/0x40
[  252.239127]  ret_from_fork+0x3a/0x50
[  252.242871] CPU: 1 PID: 10110 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
[  252.242877] warn_alloc_show_mem: 1 callbacks suppressed
[  252.242885] Mem-Info:
[  252.250174] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  252.255553] active_anon:39159 inactive_anon:1633 isolated_anon:0
[  252.255553]  active_file:15 inactive_file:16 isolated_file:0
[  252.255553]  unevictable:0 dirty:0 writeback:0 unstable:0
[  252.255553]  slab_reclaimable:8773 slab_unreclaimable:1470459
[  252.255553]  mapped:49330 shmem:1666 pagetables:630 bounce:0
[  252.255553]  free:13723 free_pcp:275 free_cma:0
[  252.257939] Call Trace:
[  252.267336] Node 0 active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197320kB dirty:0kB writeback:0kB shmem:6664kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  252.300383]  <IRQ>
[  252.302964] Node 0 
[  252.330648]  dump_stack+0x1c4/0x2b4
[  252.332805] 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
[  252.335020]  ? dump_stack_print_info.cold.2+0x52/0x52
[  252.338624] lowmem_reserve[]:
[  252.364138]  warn_alloc.cold.118+0xb7/0x1bd
[  252.369297]  0
[  252.372412]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  252.376711]  2817 6321
[  252.378523]  ? lock_downgrade+0x900/0x900
[  252.383347]  6321
[  252.385853]  ? trace_hardirqs_off+0xb8/0x300
[  252.389981] Node 0 
[  252.392058]  ? trace_hardirqs_off+0xb8/0x300
[  252.396488] DMA32 free:25172kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  252.398720]  __alloc_pages_slowpath+0x2667/0x2d80
[  252.403087] lowmem_reserve[]: 0
[  252.430638]  ? warn_alloc+0x120/0x120
[  252.435452]  0
[  252.438743]  ? trace_hardirqs_on+0x310/0x310
[  252.442525]  3503
[  252.444336]  ? warn_alloc+0x120/0x120
[  252.448717]  3503
[  252.450786]  ? print_usage_bug+0xc0/0xc0
[  252.456622]  ? warn_alloc+0x120/0x120
[  252.460661] Node 0 
[  252.464464]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  252.464501] Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5408kB pagetables:2520kB bounce:0kB free_pcp:852kB local_pcp:604kB free_cma:0kB
[  252.466709]  ? print_usage_bug+0xc0/0xc0
[  252.471700] lowmem_reserve[]: 0
[  252.500106]  ? __lock_acquire+0x7ec/0x4ec0
[  252.504150]  0
[  252.507436]  ? __lock_acquire+0x7ec/0x4ec0
[  252.511646]  0
[  252.513459]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  252.517667]  0
[  252.519473]  ? should_fail+0x22d/0xd01
[  252.524987] Node 0 
[  252.526808]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  252.530664] DMA: 1*4kB 
[  252.532919]  ? __lock_acquire+0x7ec/0x4ec0
[  252.537993] (U) 
[  252.540579]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  252.544782] 0*8kB 0*16kB 
[  252.546768]  ? __lock_acquire+0x7ec/0x4ec0
[  252.551849] 1*32kB 
[  252.554606]  ? should_fail+0x22d/0xd01
[  252.558816] (U) 
[  252.561053]  ? print_usage_bug+0xc0/0xc0
[  252.564919] 2*64kB 
[  252.566901]  ? mark_held_locks+0x130/0x130
[  252.570931] (U) 
[  252.573172]  ? mark_held_locks+0x130/0x130
[  252.577389] 1*128kB 
[  252.579370]  ? graph_lock+0x170/0x170
[  252.583576] (U) 
[  252.585899]  ? print_usage_bug+0xc0/0xc0
[  252.589676] 1*256kB (U) 
[  252.591668]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  252.595704] 0*512kB 
[  252.598382]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.603105] 1*1024kB 
[  252.605433]  ? check_preemption_disabled+0x48/0x200
[  252.610940] (U) 1*2048kB 
[  252.613362]  ? check_preemption_disabled+0x48/0x200
[  252.618390] (M) 
[  252.621162]  ? __lock_is_held+0xb5/0x140
[  252.626146] 3*4096kB (M) 
[  252.628138]  __alloc_pages_nodemask+0xa80/0xde0
[  252.632174] = 15908kB
[  252.634937]  ? graph_lock+0x170/0x170
[  252.639585] Node 0 
[  252.641998]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  252.645768] DMA32: 3*4kB 
[  252.648015]  ? graph_lock+0x170/0x170
[  252.653011] (UM) 
[  252.655775]  ? find_held_lock+0x36/0x1c0
[  252.659541] 1*8kB (U) 
[  252.661621]  ? ____cache_alloc_node+0x1c7/0x1e0
[  252.665651] 4*16kB (UM) 
[  252.668160]  ? lock_downgrade+0x900/0x900
[  252.672806] 2*32kB 
[  252.675482]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.679603] (UM) 
[  252.681842]  cache_grow_begin+0x91/0x8c0
[  252.687392] 3*64kB 
[  252.689462]  ? do_raw_spin_unlock+0xa7/0x2f0
[  252.693516] (UM) 
[  252.695760]  fallback_alloc+0x203/0x2e0
[  252.700140] 4*128kB 
[  252.702203]  ____cache_alloc_node+0x1c7/0x1e0
[  252.706151] (UM) 
[  252.708480]  kmem_cache_alloc_node+0xe3/0x730
[  252.712952] 3*256kB 
[  252.715017]  ? ipv6_get_ifaddr+0x42e/0x620
[  252.719488] (UM) 
[  252.721817]  __alloc_skb+0x119/0x770
[  252.726028] 4*512kB 
[  252.728099]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  252.731787] (UM) 
[  252.734108]  ? skb_scrub_packet+0x490/0x490
[  252.739362] 3*1024kB 
[  252.741430]  ? lock_downgrade+0x900/0x900
[  252.745728] (M) 
[  252.748141]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.752260] 3*2048kB (UM) 
[  252.754246]  ? refcount_sub_and_test_checked+0x203/0x310
[  252.759758] 3*4096kB 
[  252.762604]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  252.768028] (M) = 25172kB
[  252.770451]  ? addrconf_rs_timer+0x6f0/0x6f0
[  252.775881] Node 0 
[  252.778650]  ndisc_alloc_skb+0x144/0x340
[  252.783028] Normal: 
[  252.785268]  ndisc_send_rs+0x331/0x6e0
[  252.789308] 979*4kB 
[  252.791632]  addrconf_rs_timer+0x3c0/0x6f0
[  252.795492] (ME) 
[  252.797815]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.802021] 483*8kB (UME) 
[  252.804107]  call_timer_fn+0x272/0x920
[  252.808314] 201*16kB 
[  252.811157]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.815022] (ME) 
[  252.817433]  ? process_timeout+0x40/0x40
[  252.821641] 59*32kB (UME) 
[  252.823711]  ? find_held_lock+0x36/0x1c0
[  252.827750] 15*64kB 
[  252.830597]  ? __run_timers+0x7da/0xc70
[  252.834633] (UM) 
[  252.836955]  ? _raw_spin_unlock_irq+0x27/0x80
[  252.840914] 0*128kB 
[  252.842972]  ? _raw_spin_unlock_irq+0x27/0x80
[  252.847451] 0*256kB 
[  252.849775]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.854244] 0*512kB 0*1024kB 
[  252.856577]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  252.860790] 0*2048kB 
[  252.863899]  ? trace_hardirqs_on+0xbd/0x310
[  252.868458] 0*4096kB 
[  252.870866]  ? kasan_check_read+0x11/0x20
[  252.875163] = 13844kB
[  252.877575]  ? __run_timers+0x7da/0xc70
[  252.881703] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  252.884106]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  252.888074] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  252.896899]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.902329] 1697 total pagecache pages
[  252.910912]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.915122] 0 pages in swap cache
[  252.919003]  __run_timers+0x7e5/0xc70
[  252.923218] Swap cache stats: add 0, delete 0, find 0/0
[  252.926672]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  252.930442] Free swap  = 0kB
[  252.935803]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  252.935819]  ? rcu_bh_qs+0xc0/0xc0
[  252.941172] Total swap = 0kB
[  252.941194] 1965979 pages RAM
[  252.941198] 0 pages HighMem/MovableOnly
[  252.941221] 342744 pages reserved
[  252.944257]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.949511] 0 pages cma reserved
[  252.953057]  ? check_preemption_disabled+0x48/0x200
[  252.956138] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  252.959173]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  252.959199]  ? retint_kernel+0x2d/0x2d
[  252.959218]  ? trace_hardirqs_on_caller+0xc0/0x300
[  252.963239] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  252.966627]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  252.972141] ksoftirqd/0 cpuset=
[  252.975765]  ? trace_hardirqs_off_caller+0x300/0x300
[  252.980759] /
[  252.987260]  ? check_preemption_disabled+0x48/0x200
[  252.991996]  mems_allowed=0
[  252.995883]  ? graph_lock+0x170/0x170
[  253.039316]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.045218]  ? check_preemption_disabled+0x48/0x200
[  253.050254]  ? __lock_is_held+0xb5/0x140
[  253.054319]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.059862]  ? check_preemption_disabled+0x48/0x200
[  253.064895]  run_timer_softirq+0x52/0xb0
[  253.068967]  ? rcu_read_lock_sched_held+0x108/0x120
[  253.073992]  __do_softirq+0x30b/0xad8
[  253.077807]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  253.082927]  ? pvclock_read_flags+0x160/0x160
[  253.087444]  ? lapic_next_event+0x5a/0x90
[  253.091598]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.097147]  ? check_preemption_disabled+0x48/0x200
[  253.102169]  ? check_preemption_disabled+0x48/0x200
[  253.107197]  ? kvm_clock_read+0x18/0x30
[  253.111174]  ? kvm_sched_clock_read+0x9/0x20
[  253.115588]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.121133]  ? check_preemption_disabled+0x48/0x200
[  253.126164]  irq_exit+0x17f/0x1c0
[  253.129629]  smp_apic_timer_interrupt+0x1cb/0x760
[  253.134474]  ? smp_reschedule_interrupt+0x109/0x650
[  253.139500]  ? smp_call_function_single_interrupt+0x650/0x650
[  253.145408]  ? interrupt_entry+0xb5/0xf0
[  253.149476]  ? trace_hardirqs_off_caller+0xbb/0x300
[  253.154993]  ? trace_hardirqs_off_caller+0xbb/0x300
[  253.160020]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  253.164895]  ? trace_hardirqs_off+0x300/0x300
[  253.169407]  ? trace_hardirqs_off+0x300/0x300
[  253.173921]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.179468]  ? check_preemption_disabled+0x48/0x200
[  253.184490]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.190037]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  253.194893]  apic_timer_interrupt+0xf/0x20
[  253.199128]  </IRQ>
[  253.201370] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  253.206322] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 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 9a 42
[  253.225223] RSP: 0018:ffff88019cfa7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  253.232945] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  253.240212] RDX: 0000000000000000 RSI: ffff88019d338900 RDI: 0000000000000282
[  253.247481] RBP: ffff88019cfa77b0 R08: ffff88019d338080 R09: 0000000000000000
[  253.254750] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  253.262032] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  253.269349]  skb_clone+0x1bb/0x500
[  253.272909]  ? finish_task_switch+0x2f5/0x900
[  253.277429]  ? skb_split+0x11e0/0x11e0
[  253.281326]  ? preempt_notifier_register+0x200/0x200
[  253.286444]  ? __switch_to_asm+0x34/0x70
[  253.290521]  ? __switch_to_asm+0x34/0x70
[  253.294599]  ? __switch_to_asm+0x40/0x70
[  253.298659]  ? __switch_to_asm+0x34/0x70
[  253.302722]  ? __switch_to_asm+0x40/0x70
[  253.306780]  ? __switch_to_asm+0x34/0x70
[  253.310844]  ? __switch_to_asm+0x40/0x70
[  253.314922]  ? __switch_to_asm+0x34/0x70
[  253.318988]  ? __switch_to_asm+0x34/0x70
[  253.323045]  ? __switch_to_asm+0x40/0x70
[  253.327102]  ? __switch_to_asm+0x34/0x70
[  253.331170]  bpf_clone_redirect+0xb9/0x490
[  253.335427]  ? __schedule+0x874/0x1ed0
[  253.339322]  bpf_prog_bebbfe2050753572+0x482/0x1000
[  253.344341]  ? __sched_text_start+0x8/0x8
[  253.348504]  ? find_held_lock+0x36/0x1c0
[  253.352573]  ? lock_acquire+0x1ed/0x520
[  253.356547]  ? bpf_test_run+0x32e/0x5a0
[  253.360525]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.366069]  ? check_preemption_disabled+0x48/0x200
[  253.371092]  ? kasan_check_read+0x11/0x20
[  253.375244]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  253.380528]  ? rcu_bh_qs+0xc0/0xc0
[  253.384073]  ? preempt_schedule+0x4d/0x60
[  253.388223]  ? ___preempt_schedule+0x16/0x18
[  253.392645]  ? bpf_test_run+0x1c0/0x5a0
[  253.396633]  ? netlink_diag_dump+0x2a0/0x2a0
[  253.401049]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  253.406588]  ? bpf_test_init.isra.9+0x70/0x100
[  253.411179]  ? bpf_prog_test_run_skb+0x634/0xb40
[  253.415950]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  253.420806]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  253.426369]  ? fput+0x130/0x1a0
[  253.429661]  ? __bpf_prog_get+0x9b/0x290
[  253.433725]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  253.438568]  ? bpf_prog_test_run+0x130/0x1a0
[  253.442987]  ? __x64_sys_bpf+0x3d8/0x510
[  253.447051]  ? bpf_prog_get+0x20/0x20
[  253.450876]  ? ksys_ioctl+0x81/0xd0
[  253.454544]  ? do_syscall_64+0x1b9/0x820
[  253.458611]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  253.463977]  ? syscall_return_slowpath+0x5e0/0x5e0
[  253.468945]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  253.473806]  ? trace_hardirqs_off+0x300/0x300
[  253.478309]  ? prepare_exit_to_usermode+0x291/0x3b0
[  253.483334]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  253.488230]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  253.493617] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
[  253.493707] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  253.500380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  253.500386] Call Trace:
[  253.500412]  dump_stack+0x1c4/0x2b4
[  253.500429]  ? dump_stack_print_info.cold.2+0x52/0x52
[  253.500469]  warn_alloc.cold.118+0xb7/0x1bd
[  253.506997] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  253.516284]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  253.518851] syz-executor1 cpuset=
[  253.522476]  ? lock_downgrade+0x900/0x900
[  253.527642] syz1
[  253.531964]  ? trace_hardirqs_off+0xb8/0x300
[  253.542448]  mems_allowed=0
[  253.547291]  ? trace_hardirqs_off+0xb8/0x300
[  253.568536]  __alloc_pages_slowpath+0x2667/0x2d80
[  253.573411]  ? mark_held_locks+0x130/0x130
[  253.577658]  ? warn_alloc+0x120/0x120
[  253.581469]  ? warn_alloc+0x120/0x120
[  253.585271]  ? print_usage_bug+0xc0/0xc0
[  253.589340]  ? warn_alloc+0x120/0x120
[  253.593153]  ? print_usage_bug+0xc0/0xc0
[  253.597228]  ? __lock_acquire+0x7ec/0x4ec0
[  253.601483]  ? __lock_acquire+0x7ec/0x4ec0
[  253.605726]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  253.611307]  ? should_fail+0x22d/0xd01
[  253.615209]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  253.620322]  ? __lock_acquire+0x7ec/0x4ec0
[  253.624574]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  253.629685]  ? __lock_acquire+0x7ec/0x4ec0
[  253.633926]  ? should_fail+0x22d/0xd01
[  253.637833]  ? mark_held_locks+0x130/0x130
[  253.642076]  ? mark_held_locks+0x130/0x130
[  253.646313]  ? graph_lock+0x170/0x170
[  253.650116]  ? graph_lock+0x170/0x170
[  253.653924]  ? graph_lock+0x170/0x170
[  253.657730]  ? print_usage_bug+0xc0/0xc0
[  253.661798]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.667347]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.672897]  ? check_preemption_disabled+0x48/0x200
[  253.677925]  ? check_preemption_disabled+0x48/0x200
[  253.682958]  ? __lock_is_held+0xb5/0x140
[  253.687027]  __alloc_pages_nodemask+0xa80/0xde0
[  253.691699]  ? graph_lock+0x170/0x170
[  253.695508]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  253.700551]  ? graph_lock+0x170/0x170
[  253.704369]  ? find_held_lock+0x36/0x1c0
[  253.708454]  ? ____cache_alloc_node+0x1c7/0x1e0
[  253.713128]  ? lock_downgrade+0x900/0x900
[  253.717289]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.722835]  cache_grow_begin+0x91/0x8c0
[  253.726901]  ? do_raw_spin_unlock+0xa7/0x2f0
[  253.731323]  fallback_alloc+0x203/0x2e0
[  253.735326]  ____cache_alloc_node+0x1c7/0x1e0
[  253.739837]  kmem_cache_alloc_node+0xe3/0x730
[  253.744338]  ? ipv6_get_ifaddr+0x42e/0x620
[  253.748586]  __alloc_skb+0x119/0x770
[  253.752304]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  253.757587]  ? skb_scrub_packet+0x490/0x490
[  253.761908]  ? lock_downgrade+0x900/0x900
[  253.766072]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.771611]  ? refcount_sub_and_test_checked+0x203/0x310
[  253.777069]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  253.782525]  ? addrconf_rs_timer+0x6f0/0x6f0
[  253.786950]  ndisc_alloc_skb+0x144/0x340
[  253.791019]  ndisc_send_rs+0x331/0x6e0
[  253.794914]  addrconf_rs_timer+0x3c0/0x6f0
[  253.799155]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.803427]  call_timer_fn+0x272/0x920
[  253.807315]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.811560]  ? process_timeout+0x40/0x40
[  253.815620]  ? find_held_lock+0x36/0x1c0
[  253.819697]  ? __run_timers+0x7da/0xc70
[  253.823679]  ? _raw_spin_unlock_irq+0x27/0x80
[  253.828177]  ? _raw_spin_unlock_irq+0x27/0x80
[  253.832678]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.836922]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  253.841513]  ? trace_hardirqs_on+0xbd/0x310
[  253.845840]  ? kasan_check_read+0x11/0x20
[  253.849996]  ? __run_timers+0x7da/0xc70
[  253.853983]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  253.859452]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.863699]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.867940]  __run_timers+0x7e5/0xc70
[  253.871764]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  253.877129]  ? compat_start_thread+0x80/0x80
[  253.881549]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.887100]  ? kasan_check_write+0x14/0x20
[  253.891340]  ? finish_task_switch+0x2f5/0x900
[  253.895836]  ? __switch_to_asm+0x40/0x70
[  253.899901]  ? preempt_notifier_register+0x200/0x200
[  253.905008]  ? __switch_to_asm+0x34/0x70
[  253.909069]  ? __switch_to_asm+0x40/0x70
[  253.913130]  ? __switch_to_asm+0x34/0x70
[  253.917191]  ? __switch_to_asm+0x40/0x70
[  253.921250]  ? __switch_to_asm+0x34/0x70
[  253.925309]  ? __switch_to_asm+0x40/0x70
[  253.929383]  ? pvclock_read_flags+0x160/0x160
[  253.933888]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.939433]  ? check_preemption_disabled+0x48/0x200
[  253.944464]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  253.950003]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  253.955283]  ? rcu_pm_notify+0xc0/0xc0
[  253.959178]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.964717]  ? check_preemption_disabled+0x48/0x200
[  253.969743]  run_timer_softirq+0x52/0xb0
[  253.973807]  ? rcu_read_lock_sched_held+0x108/0x120
[  253.978832]  __do_softirq+0x30b/0xad8
[  253.982652]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  253.987766]  ? schedule+0x108/0x460
[  253.991429]  ? __schedule+0x1ed0/0x1ed0
[  253.995439]  ? trace_hardirqs_off+0xb8/0x300
[  253.999854]  ? ___might_sleep+0x1ed/0x300
[  254.004003]  ? smpboot_thread_fn+0x68b/0xa00
[  254.008419]  ? trace_hardirqs_on+0x310/0x310
[  254.012834]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  254.018375]  ? check_preemption_disabled+0x48/0x200
[  254.023395]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.028945]  ? takeover_tasklets+0xa90/0xa90
[  254.033359]  run_ksoftirqd+0x94/0x100
[  254.037166]  smpboot_thread_fn+0x68b/0xa00
[  254.041410]  ? sort_range+0x30/0x30
[  254.045047]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  254.050157]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  254.055701]  ? __kthread_parkme+0xfb/0x1a0
[  254.059946]  kthread+0x35a/0x420
[  254.063313]  ? sort_range+0x30/0x30
[  254.066967]  ? kthread_bind+0x40/0x40
[  254.070785]  ret_from_fork+0x3a/0x50
[  254.074519] warn_alloc_show_mem: 1 callbacks suppressed
[  254.074532] CPU: 1 PID: 10110 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
[  254.074535] Mem-Info:
[  254.074566] active_anon:39159 inactive_anon:1633 isolated_anon:0
[  254.074566]  active_file:15 inactive_file:16 isolated_file:0
[  254.074566]  unevictable:0 dirty:0 writeback:0 unstable:0
[  254.074566]  slab_reclaimable:8773 slab_unreclaimable:1470459
[  254.074566]  mapped:49330 shmem:1666 pagetables:630 bounce:0
[  254.074566]  free:13723 free_pcp:275 free_cma:0
[  254.079917] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  254.087207] Node 0 active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197320kB dirty:0kB writeback:0kB shmem:6664kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  254.089609] Call Trace:
[  254.122664] Node 0 
[  254.132022]  <IRQ>
[  254.159716] 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
[  254.162324]  dump_stack+0x1c4/0x2b4
[  254.164532] lowmem_reserve[]:
[  254.166682]  ? dump_stack_print_info.cold.2+0x52/0x52
[  254.192162]  0
[  254.195823]  warn_alloc.cold.118+0xb7/0x1bd
[  254.198896]  2817
[  254.204090]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  254.205870]  6321
[  254.210189]  ? lock_downgrade+0x900/0x900
[  254.212232]  6321
[  254.217077]  ? trace_hardirqs_off+0xb8/0x300
[  254.219118] Node 0 
[  254.223264]  ? trace_hardirqs_off+0xb8/0x300
[  254.225334] DMA32 free:25172kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  254.229721]  __alloc_pages_slowpath+0x2667/0x2d80
[  254.231923] lowmem_reserve[]: 0
[  254.236383]  ? warn_alloc+0x120/0x120
[  254.263047]  0 3503
[  254.267921]  ? warn_alloc+0x120/0x120
[  254.271177]  3503
[  254.274990]  ? print_usage_bug+0xc0/0xc0
[  254.277202] Node 0 
[  254.281015]  ? warn_alloc+0x120/0x120
[  254.283080] Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5408kB pagetables:2520kB bounce:0kB free_pcp:852kB local_pcp:604kB free_cma:0kB
[  254.287126]  ? print_usage_bug+0xc0/0xc0
[  254.289342] lowmem_reserve[]: 0
[  254.293159]  ? __lock_acquire+0x7ec/0x4ec0
[  254.321504]  0
[  254.325569]  ? __lock_acquire+0x7ec/0x4ec0
[  254.328825]  0
[  254.333063]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  254.334855]  0
[  254.339090]  ? should_fail+0x22d/0xd01
[  254.340871] Node 0 
[  254.346416]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  254.348203] DMA: 
[  254.352090]  ? __lock_acquire+0x7ec/0x4ec0
[  254.354305] 1*4kB 
[  254.359408]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  254.361450] (U) 
[  254.365693]  ? __lock_acquire+0x7ec/0x4ec0
[  254.367814] 0*8kB 0*16kB 
[  254.372922]  ? should_fail+0x22d/0xd01
[  254.374905] 1*32kB 
[  254.379157]  ? mark_held_locks+0x130/0x130
[  254.381887] (U) 
[  254.385776]  ? mark_held_locks+0x130/0x130
[  254.388007] 2*64kB 
[  254.392236]  ? graph_lock+0x170/0x170
[  254.394190] (U) 
[  254.398422]  ? graph_lock+0x170/0x170
[  254.398438]  ? graph_lock+0x170/0x170
[  254.400661] 1*128kB 
[  254.404461]  ? print_usage_bug+0xc0/0xc0
[  254.406420] (U) 
[  254.410254]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.414025] 1*256kB (U) 
[  254.416398]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.420439] 0*512kB 
[  254.422427]  ? check_preemption_disabled+0x48/0x200
[  254.427949] 1*1024kB 
[  254.430616]  ? check_preemption_disabled+0x48/0x200
[  254.436121] (U) 1*2048kB 
[  254.438460]  ? __lock_is_held+0xb5/0x140
[  254.443446] (M) 
[  254.445856]  __alloc_pages_nodemask+0xa80/0xde0
[  254.450838] 3*4096kB (M) 
[  254.453602]  ? graph_lock+0x170/0x170
[  254.457645] = 15908kB
[  254.459621]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  254.464266] Node 0 
[  254.467020]  ? graph_lock+0x170/0x170
[  254.470815] DMA32: 
[  254.473225]  ? find_held_lock+0x36/0x1c0
[  254.478214] 3*4kB 
[  254.480455]  ? ____cache_alloc_node+0x1c7/0x1e0
[  254.484225] (UM) 
[  254.486473]  ? lock_downgrade+0x900/0x900
[  254.490517] 1*8kB 
[  254.492686]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.497329] (U) 
[  254.499427]  cache_grow_begin+0x91/0x8c0
[  254.503558] 4*16kB 
[  254.505709]  ? do_raw_spin_unlock+0xa7/0x2f0
[  254.511226] (UM) 
[  254.513200]  fallback_alloc+0x203/0x2e0
[  254.517331] 2*32kB 
[  254.519572]  ____cache_alloc_node+0x1c7/0x1e0
[  254.523953] (UM) 
[  254.526027]  kmem_cache_alloc_node+0xe3/0x730
[  254.529971] 3*64kB (UM) 
[  254.532233]  ? ipv6_get_ifaddr+0x42e/0x620
[  254.536695] 4*128kB (UM) 
[  254.538771]  __alloc_skb+0x119/0x770
[  254.543240] 3*256kB 
[  254.545916]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  254.550116] (UM) 
[  254.552869]  ? skb_scrub_packet+0x490/0x490
[  254.556563] 4*512kB 
[  254.558883]  ? lock_downgrade+0x900/0x900
[  254.564134] (UM) 
[  254.566216]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.570508] 3*1024kB (M) 
[  254.572845]  ? refcount_sub_and_test_checked+0x203/0x310
[  254.576967] 3*2048kB 
[  254.579038]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  254.584554] (UM) 
[  254.587309]  ? addrconf_rs_timer+0x6f0/0x6f0
[  254.592749] 3*4096kB (M) 
[  254.595178]  ndisc_alloc_skb+0x144/0x340
[  254.600616] = 25172kB
[  254.602690]  ndisc_send_rs+0x331/0x6e0
[  254.607074] Node 0 
[  254.609830]  addrconf_rs_timer+0x3c0/0x6f0
[  254.613875] Normal: 
[  254.616283]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  254.620147] 979*4kB 
[  254.622406]  call_timer_fn+0x272/0x920
[  254.626606] (ME) 
[  254.628932]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  254.633151] 483*8kB 
[  254.635470]  ? process_timeout+0x40/0x40
[  254.639344] (UME) 
[  254.641413]  ? find_held_lock+0x36/0x1c0
[  254.645633] 201*16kB 
[  254.647959]  ? __run_timers+0x7da/0xc70
[  254.651993] (ME) 
[  254.654140]  ? _raw_spin_unlock_irq+0x27/0x80
[  254.658177] 59*32kB 
[  254.660587]  ? _raw_spin_unlock_irq+0x27/0x80
[  254.664541] (UME) 
[  254.666605]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  254.671076] 15*64kB 
[  254.673394]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  254.677871] (UM) 
[  254.680033]  ? trace_hardirqs_on+0xbd/0x310
[  254.684252] 0*128kB 0*256kB 
[  254.686585]  ? kasan_check_read+0x11/0x20
[  254.691144] 0*512kB 
[  254.693208]  ? __run_timers+0x7da/0xc70
[  254.697500] 0*1024kB 0*2048kB 
[  254.700553]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  254.704681] 0*4096kB 
[  254.707016]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  254.710964] = 13844kB
[  254.714155]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  254.719589] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  254.721991]  __run_timers+0x7e5/0xc70
[  254.726209] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  254.728624]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  254.732830] 1697 total pagecache pages
[  254.741683]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  254.741701]  ? rcu_bh_qs+0xc0/0xc0
[  254.745512] 0 pages in swap cache
[  254.754083]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.759430] Swap cache stats: add 0, delete 0, find 0/0
[  254.763318]  ? check_preemption_disabled+0x48/0x200
[  254.768572] Free swap  = 0kB
[  254.772117]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  254.775547] Total swap = 0kB
[  254.781085]  ? retint_kernel+0x2d/0x2d
[  254.786430] 1965979 pages RAM
[  254.791471]  ? trace_hardirqs_on_caller+0xc0/0x300
[  254.794459] 0 pages HighMem/MovableOnly
[  254.794469] 342744 pages reserved
[  254.799228]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  254.802223] 0 pages cma reserved
[  254.806104]  ? trace_hardirqs_off_caller+0x300/0x300
[  254.809273] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  254.814119]  ? check_preemption_disabled+0x48/0x200
[  254.818165] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  254.821521]  ? graph_lock+0x170/0x170
[  254.826254] ksoftirqd/0 cpuset=
[  254.829628]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.834705] /
[  254.841197]  ? check_preemption_disabled+0x48/0x200
[  254.846189]  mems_allowed=0
[  254.856500]  ? __lock_is_held+0xb5/0x140
[  254.883045]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.888590]  ? check_preemption_disabled+0x48/0x200
[  254.893619]  run_timer_softirq+0x52/0xb0
[  254.897681]  ? rcu_read_lock_sched_held+0x108/0x120
[  254.902910]  __do_softirq+0x30b/0xad8
[  254.906731]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  254.911846]  ? pvclock_read_flags+0x160/0x160
[  254.916341]  ? lapic_next_event+0x5a/0x90
[  254.920493]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.926034]  ? check_preemption_disabled+0x48/0x200
[  254.931051]  ? check_preemption_disabled+0x48/0x200
[  254.936086]  ? kvm_clock_read+0x18/0x30
[  254.940063]  ? kvm_sched_clock_read+0x9/0x20
[  254.944476]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.950014]  ? check_preemption_disabled+0x48/0x200
[  254.955056]  irq_exit+0x17f/0x1c0
[  254.958522]  smp_apic_timer_interrupt+0x1cb/0x760
[  254.963364]  ? smp_reschedule_interrupt+0x109/0x650
[  254.968398]  ? smp_call_function_single_interrupt+0x650/0x650
[  254.974284]  ? interrupt_entry+0xb5/0xf0
[  254.978349]  ? trace_hardirqs_off_caller+0xbb/0x300
[  254.983368]  ? trace_hardirqs_off_caller+0xbb/0x300
[  254.988399]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  254.993243]  ? trace_hardirqs_off+0x300/0x300
[  254.997739]  ? trace_hardirqs_off+0x300/0x300
[  255.002253]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.007805]  ? check_preemption_disabled+0x48/0x200
[  255.012819]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.018368]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  255.023226]  apic_timer_interrupt+0xf/0x20
[  255.027499]  </IRQ>
[  255.029766] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  255.034711] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 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 9a 42
[  255.053902] RSP: 0018:ffff88019cfa7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  255.061618] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  255.068884] RDX: 0000000000000000 RSI: ffff88019d338900 RDI: 0000000000000282
[  255.076153] RBP: ffff88019cfa77b0 R08: ffff88019d338080 R09: 0000000000000000
[  255.083420] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  255.090701] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  255.098015]  skb_clone+0x1bb/0x500
[  255.101561]  ? finish_task_switch+0x2f5/0x900
[  255.106077]  ? skb_split+0x11e0/0x11e0
[  255.109970]  ? preempt_notifier_register+0x200/0x200
[  255.115077]  ? __switch_to_asm+0x34/0x70
[  255.119150]  ? __switch_to_asm+0x34/0x70
[  255.123212]  ? __switch_to_asm+0x40/0x70
[  255.127274]  ? __switch_to_asm+0x34/0x70
[  255.131332]  ? __switch_to_asm+0x40/0x70
[  255.135396]  ? __switch_to_asm+0x34/0x70
[  255.139467]  ? __switch_to_asm+0x40/0x70
[  255.143532]  ? __switch_to_asm+0x34/0x70
[  255.147601]  ? __switch_to_asm+0x34/0x70
[  255.151661]  ? __switch_to_asm+0x40/0x70
[  255.156195]  ? __switch_to_asm+0x34/0x70
[  255.160270]  bpf_clone_redirect+0xb9/0x490
[  255.164511]  ? __schedule+0x874/0x1ed0
[  255.168414]  bpf_prog_bebbfe2050753572+0x482/0x1000
[  255.173443]  ? __sched_text_start+0x8/0x8
[  255.177609]  ? find_held_lock+0x36/0x1c0
[  255.181678]  ? lock_acquire+0x1ed/0x520
[  255.185654]  ? bpf_test_run+0x32e/0x5a0
[  255.189632]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.195205]  ? check_preemption_disabled+0x48/0x200
[  255.200253]  ? kasan_check_read+0x11/0x20
[  255.204421]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  255.209708]  ? rcu_bh_qs+0xc0/0xc0
[  255.213262]  ? preempt_schedule+0x4d/0x60
[  255.217429]  ? ___preempt_schedule+0x16/0x18
[  255.221854]  ? bpf_test_run+0x1c0/0x5a0
[  255.225842]  ? netlink_diag_dump+0x2a0/0x2a0
[  255.230260]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.235799]  ? bpf_test_init.isra.9+0x70/0x100
[  255.240426]  ? bpf_prog_test_run_skb+0x634/0xb40
[  255.245210]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  255.250058]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  255.255594]  ? fput+0x130/0x1a0
[  255.258875]  ? __bpf_prog_get+0x9b/0x290
[  255.262947]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  255.267792]  ? bpf_prog_test_run+0x130/0x1a0
[  255.272204]  ? __x64_sys_bpf+0x3d8/0x510
[  255.276267]  ? bpf_prog_get+0x20/0x20
[  255.280078]  ? ksys_ioctl+0x81/0xd0
[  255.283718]  ? do_syscall_64+0x1b9/0x820
[  255.287781]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  255.293153]  ? syscall_return_slowpath+0x5e0/0x5e0
[  255.298084]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  255.302938]  ? trace_hardirqs_off+0x300/0x300
[  255.307447]  ? prepare_exit_to_usermode+0x291/0x3b0
[  255.312479]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  255.317337]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  255.322721] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
[  255.322833] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  255.329494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  255.329499] Call Trace:
[  255.329520]  dump_stack+0x1c4/0x2b4
[  255.329535]  ? dump_stack_print_info.cold.2+0x52/0x52
[  255.329566]  warn_alloc.cold.118+0xb7/0x1bd
[  255.336112] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  255.345415]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  255.347968] syz-executor1 cpuset=
[  255.351595]  ? lock_downgrade+0x900/0x900
[  255.356764] syz1
[  255.361090]  ? trace_hardirqs_off+0xb8/0x300
[  255.371568]  mems_allowed=0
[  255.376434]  ? trace_hardirqs_off+0xb8/0x300
[  255.397716]  __alloc_pages_slowpath+0x2667/0x2d80
[  255.402592]  ? mark_held_locks+0x130/0x130
[  255.406837]  ? warn_alloc+0x120/0x120
[  255.410646]  ? warn_alloc+0x120/0x120
[  255.414470]  ? print_usage_bug+0xc0/0xc0
[  255.418538]  ? warn_alloc+0x120/0x120
[  255.422356]  ? print_usage_bug+0xc0/0xc0
[  255.426467]  ? __lock_acquire+0x7ec/0x4ec0
[  255.430713]  ? __lock_acquire+0x7ec/0x4ec0
[  255.434953]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.440497]  ? should_fail+0x22d/0xd01
[  255.444393]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  255.449505]  ? __lock_acquire+0x7ec/0x4ec0
[  255.453746]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  255.458849]  ? __lock_acquire+0x7ec/0x4ec0
[  255.463095]  ? should_fail+0x22d/0xd01
[  255.466981]  ? print_usage_bug+0xc0/0xc0
[  255.471054]  ? mark_held_locks+0x130/0x130
[  255.475294]  ? mark_held_locks+0x130/0x130
[  255.479540]  ? graph_lock+0x170/0x170
[  255.483340]  ? print_usage_bug+0xc0/0xc0
[  255.487420]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  255.492185]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.497730]  ? check_preemption_disabled+0x48/0x200
[  255.502748]  ? check_preemption_disabled+0x48/0x200
[  255.507777]  ? __lock_is_held+0xb5/0x140
[  255.511852]  __alloc_pages_nodemask+0xa80/0xde0
[  255.516546]  ? graph_lock+0x170/0x170
[  255.520352]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  255.525367]  ? graph_lock+0x170/0x170
[  255.529183]  ? find_held_lock+0x36/0x1c0
[  255.533267]  ? ____cache_alloc_node+0x1c7/0x1e0
[  255.537938]  ? lock_downgrade+0x900/0x900
[  255.542096]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.547639]  cache_grow_begin+0x91/0x8c0
[  255.551706]  ? do_raw_spin_unlock+0xa7/0x2f0
[  255.556152]  fallback_alloc+0x203/0x2e0
[  255.560133]  ____cache_alloc_node+0x1c7/0x1e0
[  255.564635]  kmem_cache_alloc_node+0xe3/0x730
[  255.569159]  ? ipv6_get_ifaddr+0x42e/0x620
[  255.573416]  __alloc_skb+0x119/0x770
[  255.577152]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  255.582474]  ? skb_scrub_packet+0x490/0x490
[  255.586811]  ? lock_downgrade+0x900/0x900
[  255.590967]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.596506]  ? refcount_sub_and_test_checked+0x203/0x310
[  255.601974]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  255.607467]  ? addrconf_rs_timer+0x6f0/0x6f0
[  255.611891]  ndisc_alloc_skb+0x144/0x340
[  255.615960]  ndisc_send_rs+0x331/0x6e0
[  255.619857]  addrconf_rs_timer+0x3c0/0x6f0
[  255.624101]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.628366]  call_timer_fn+0x272/0x920
[  255.632255]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.636492]  ? process_timeout+0x40/0x40
[  255.640559]  ? find_held_lock+0x36/0x1c0
[  255.644630]  ? __run_timers+0x7da/0xc70
[  255.648613]  ? _raw_spin_unlock_irq+0x27/0x80
[  255.653106]  ? _raw_spin_unlock_irq+0x27/0x80
[  255.657600]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.661836]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  255.666427]  ? trace_hardirqs_on+0xbd/0x310
[  255.670755]  ? kasan_check_read+0x11/0x20
[  255.674903]  ? __run_timers+0x7da/0xc70
[  255.678885]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  255.684346]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.688587]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.692823]  __run_timers+0x7e5/0xc70
[  255.696640]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  255.702005]  ? compat_start_thread+0x80/0x80
[  255.706421]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.711966]  ? kasan_check_write+0x14/0x20
[  255.716204]  ? finish_task_switch+0x2f5/0x900
[  255.720713]  ? __switch_to_asm+0x40/0x70
[  255.724797]  ? preempt_notifier_register+0x200/0x200
[  255.729904]  ? __switch_to_asm+0x34/0x70
[  255.733975]  ? __switch_to_asm+0x40/0x70
[  255.738032]  ? __switch_to_asm+0x34/0x70
[  255.742091]  ? __switch_to_asm+0x40/0x70
[  255.746152]  ? __switch_to_asm+0x34/0x70
[  255.750224]  ? __switch_to_asm+0x40/0x70
[  255.754296]  ? pvclock_read_flags+0x160/0x160
[  255.758831]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.764374]  ? check_preemption_disabled+0x48/0x200
[  255.769425]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  255.774964]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  255.780245]  ? rcu_pm_notify+0xc0/0xc0
[  255.784132]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.789668]  ? check_preemption_disabled+0x48/0x200
[  255.794698]  run_timer_softirq+0x52/0xb0
[  255.798759]  ? rcu_read_lock_sched_held+0x108/0x120
[  255.803779]  __do_softirq+0x30b/0xad8
[  255.807610]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  255.812722]  ? schedule+0x108/0x460
[  255.816351]  ? __schedule+0x1ed0/0x1ed0
[  255.820333]  ? trace_hardirqs_off+0xb8/0x300
[  255.824742]  ? ___might_sleep+0x1ed/0x300
[  255.828913]  ? smpboot_thread_fn+0x68b/0xa00
[  255.833324]  ? trace_hardirqs_on+0x310/0x310
[  255.837732]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.843273]  ? check_preemption_disabled+0x48/0x200
[  255.848291]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.853833]  ? takeover_tasklets+0xa90/0xa90
[  255.858248]  run_ksoftirqd+0x94/0x100
[  255.862047]  smpboot_thread_fn+0x68b/0xa00
[  255.866298]  ? sort_range+0x30/0x30
[  255.869929]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  255.875036]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.880575]  ? __kthread_parkme+0xfb/0x1a0
[  255.884827]  kthread+0x35a/0x420
[  255.888208]  ? sort_range+0x30/0x30
[  255.891831]  ? kthread_bind+0x40/0x40
[  255.895637]  ret_from_fork+0x3a/0x50
[  255.899401] CPU: 1 PID: 10110 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
[  255.899413] warn_alloc_show_mem: 1 callbacks suppressed
[  255.899420] Mem-Info:
[  255.906696] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  255.906705] Call Trace:
[  255.912083] active_anon:39159 inactive_anon:1633 isolated_anon:0
[  255.912083]  active_file:15 inactive_file:16 isolated_file:0
[  255.912083]  unevictable:0 dirty:0 writeback:0 unstable:0
[  255.912083]  slab_reclaimable:8773 slab_unreclaimable:1470459
[  255.912083]  mapped:49330 shmem:1666 pagetables:630 bounce:0
[  255.912083]  free:13723 free_pcp:275 free_cma:0
[  255.914459]  <IRQ>
[  255.923827] Node 0 active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197320kB dirty:0kB writeback:0kB shmem:6664kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  255.926416]  dump_stack+0x1c4/0x2b4
[  255.959457] Node 0 
[  255.961615]  ? dump_stack_print_info.cold.2+0x52/0x52
[  255.989288] 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
[  255.992910]  warn_alloc.cold.118+0xb7/0x1bd
[  255.995108] lowmem_reserve[]:
[  256.000296]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  256.025778]  0
[  256.030102]  ? lock_downgrade+0x900/0x900
[  256.033176]  2817 6321
[  256.038028]  ? trace_hardirqs_off+0xb8/0x300
[  256.039798]  6321
[  256.043989]  ? trace_hardirqs_off+0xb8/0x300
[  256.046479] Node 0 
[  256.050886]  __alloc_pages_slowpath+0x2667/0x2d80
[  256.052963] DMA32 free:25172kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  256.057367]  ? warn_alloc+0x120/0x120
[  256.059555] lowmem_reserve[]: 0
[  256.064423]  ? warn_alloc+0x120/0x120
[  256.091118]  0
[  256.094921]  ? print_usage_bug+0xc0/0xc0
[  256.098174]  3503
[  256.101973]  ? warn_alloc+0x120/0x120
[  256.103768]  3503
[  256.107824]  ? print_usage_bug+0xc0/0xc0
[  256.113659]  ? __lock_acquire+0x7ec/0x4ec0
[  256.115703] Node 0 
[  256.119762]  ? __lock_acquire+0x7ec/0x4ec0
[  256.123998] Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5408kB pagetables:2520kB bounce:0kB free_pcp:852kB local_pcp:604kB free_cma:0kB
[  256.126209]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  256.130415] lowmem_reserve[]: 0
[  256.158791]  ? should_fail+0x22d/0xd01
[  256.164306]  0
[  256.167590]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  256.171453]  0
[  256.173254]  ? __lock_acquire+0x7ec/0x4ec0
[  256.178335]  0
[  256.180135]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  256.186144]  ? __lock_acquire+0x7ec/0x4ec0
[  256.191228] Node 0 
[  256.195455]  ? should_fail+0x22d/0xd01
[  256.195466] DMA: 
[  256.197701]  ? mark_held_locks+0x130/0x130
[  256.201570] 1*4kB 
[  256.203632]  ? mark_held_locks+0x130/0x130
[  256.207845] (U) 
[  256.209991]  ? graph_lock+0x170/0x170
[  256.214197] 0*8kB 0*16kB 
[  256.216179]  ? graph_lock+0x170/0x170
[  256.219963] 1*32kB 
[  256.222715]  ? graph_lock+0x170/0x170
[  256.226497] (U) 
[  256.228734]  ? print_usage_bug+0xc0/0xc0
[  256.232517] 2*64kB 
[  256.234492]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.238552] (U) 
[  256.240787]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.246307] 1*128kB 
[  256.248282]  ? check_preemption_disabled+0x48/0x200
[  256.253795] (U) 
[  256.256117]  ? check_preemption_disabled+0x48/0x200
[  256.261104] 1*256kB (U) 
[  256.263096]  ? __lock_is_held+0xb5/0x140
[  256.268087] 0*512kB 
[  256.270757]  __alloc_pages_nodemask+0xa80/0xde0
[  256.274804] 1*1024kB 
[  256.277129]  ? graph_lock+0x170/0x170
[  256.281785] (U) 
[  256.284190]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  256.287966] 1*2048kB 
[  256.289960]  ? graph_lock+0x170/0x170
[  256.294955] (M) 
[  256.297397]  ? find_held_lock+0x36/0x1c0
[  256.301154] 3*4096kB (M) 
[  256.303140]  ? ____cache_alloc_node+0x1c7/0x1e0
[  256.307167] = 15908kB
[  256.307176] Node 0 
[  256.309942]  ? lock_downgrade+0x900/0x900
[  256.314586] DMA32: 3*4kB 
[  256.317024]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.319249] (UM) 
[  256.323403]  cache_grow_begin+0x91/0x8c0
[  256.326136] 1*8kB 
[  256.331670]  ? do_raw_spin_unlock+0xa7/0x2f0
[  256.333709] (U) 
[  256.337769]  fallback_alloc+0x203/0x2e0
[  256.339894] 4*16kB 
[  256.344302]  ____cache_alloc_node+0x1c7/0x1e0
[  256.346255] (UM) 
[  256.350230]  kmem_cache_alloc_node+0xe3/0x730
[  256.352444] 2*32kB 
[  256.356941]  ? ipv6_get_ifaddr+0x42e/0x620
[  256.358991] (UM) 
[  256.363489]  __alloc_skb+0x119/0x770
[  256.365694] 3*64kB (UM) 
[  256.369980]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  256.372015] 4*128kB 
[  256.375726]  ? skb_scrub_packet+0x490/0x490
[  256.378376] (UM) 
[  256.383680]  ? lock_downgrade+0x900/0x900
[  256.385983] 3*256kB 
[  256.390305]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.392338] (UM) 4*512kB 
[  256.396511]  ? refcount_sub_and_test_checked+0x203/0x310
[  256.398804] (UM) 3*1024kB 
[  256.404347]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  256.407086] (M) 
[  256.412539]  ? addrconf_rs_timer+0x6f0/0x6f0
[  256.415364] 3*2048kB 
[  256.420832]  ndisc_alloc_skb+0x144/0x340
[  256.422777] (UM) 
[  256.427187]  ndisc_send_rs+0x331/0x6e0
[  256.429580] 3*4096kB 
[  256.433642]  addrconf_rs_timer+0x3c0/0x6f0
[  256.435682] (M) 
[  256.439565]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.441961] = 25172kB
[  256.446197]  call_timer_fn+0x272/0x920
[  256.448146] Node 0 
[  256.452394]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.454791] Normal: 979*4kB (ME) 
[  256.458695]  ? process_timeout+0x40/0x40
[  256.460918] 483*8kB 
[  256.465148]  ? find_held_lock+0x36/0x1c0
[  256.468581] (UME) 
[  256.472645]  ? __run_timers+0x7da/0xc70
[  256.474945] 201*16kB 
[  256.479014]  ? _raw_spin_unlock_irq+0x27/0x80
[  256.481153] (ME) 
[  256.485125]  ? _raw_spin_unlock_irq+0x27/0x80
[  256.487515] 59*32kB 
[  256.492002]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.494044] (UME) 
[  256.498549]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  256.500858] 15*64kB (UM) 
[  256.505099]  ? trace_hardirqs_on+0xbd/0x310
[  256.507231] 0*128kB 
[  256.511811]  ? kasan_check_read+0x11/0x20
[  256.514540] 0*256kB 0*512kB 
[  256.518866]  ? __run_timers+0x7da/0xc70
[  256.521169] 0*1024kB 
[  256.525313]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  256.528306] 0*2048kB 0*4096kB 
[  256.532289]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.534673] = 13844kB
[  256.534689] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  256.540128]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.543304] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  256.547532]  __run_timers+0x7e5/0xc70
[  256.549921] 1697 total pagecache pages
[  256.558761]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  256.562973] 0 pages in swap cache
[  256.571545]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  256.575318] Swap cache stats: add 0, delete 0, find 0/0
[  256.575327] Free swap  = 0kB
[  256.579210]  ? rcu_bh_qs+0xc0/0xc0
[  256.584556] Total swap = 0kB
[  256.588008]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.593259] 1965979 pages RAM
[  256.598621]  ? check_preemption_disabled+0x48/0x200
[  256.601609] 0 pages HighMem/MovableOnly
[  256.601619] 342744 pages reserved
[  256.605163]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  256.608154] 0 pages cma reserved
[  256.613691]  ? retint_kernel+0x2d/0x2d
[  256.616858] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  256.621782]  ? trace_hardirqs_on_caller+0xc0/0x300
[  256.621798]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  256.621813]  ? trace_hardirqs_off_caller+0x300/0x300
[  256.621834]  ? check_preemption_disabled+0x48/0x200
[  256.625877] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  256.629235]  ? graph_lock+0x170/0x170
[  256.633971] ksoftirqd/0 cpuset=
[  256.637335]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.641198] /
[  256.647693]  ? check_preemption_disabled+0x48/0x200
[  256.652610]  mems_allowed=0
[  256.657361]  ? __lock_is_held+0xb5/0x140
[  256.704009]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.709552]  ? check_preemption_disabled+0x48/0x200
[  256.714582]  run_timer_softirq+0x52/0xb0
[  256.718660]  ? rcu_read_lock_sched_held+0x108/0x120
[  256.723680]  __do_softirq+0x30b/0xad8
[  256.727514]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  256.732626]  ? pvclock_read_flags+0x160/0x160
[  256.737357]  ? lapic_next_event+0x5a/0x90
[  256.741530]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.747071]  ? check_preemption_disabled+0x48/0x200
[  256.752092]  ? check_preemption_disabled+0x48/0x200
[  256.757117]  ? kvm_clock_read+0x18/0x30
[  256.761099]  ? kvm_sched_clock_read+0x9/0x20
[  256.765510]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.771058]  ? check_preemption_disabled+0x48/0x200
[  256.776087]  irq_exit+0x17f/0x1c0
[  256.779565]  smp_apic_timer_interrupt+0x1cb/0x760
[  256.784413]  ? smp_reschedule_interrupt+0x109/0x650
[  256.789431]  ? smp_call_function_single_interrupt+0x650/0x650
[  256.795315]  ? interrupt_entry+0xb5/0xf0
[  256.799392]  ? trace_hardirqs_off_caller+0xbb/0x300
[  256.804412]  ? trace_hardirqs_off_caller+0xbb/0x300
[  256.809436]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  256.814280]  ? trace_hardirqs_off+0x300/0x300
[  256.818780]  ? trace_hardirqs_off+0x300/0x300
[  256.823284]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.828817]  ? check_preemption_disabled+0x48/0x200
[  256.833861]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.839422]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  256.844275]  apic_timer_interrupt+0xf/0x20
[  256.848513]  </IRQ>
[  256.850758] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  256.855688] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 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 9a 42
[  256.874705] RSP: 0018:ffff88019cfa7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  256.882416] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  256.889678] RDX: 0000000000000000 RSI: ffff88019d338900 RDI: 0000000000000282
[  256.896940] RBP: ffff88019cfa77b0 R08: ffff88019d338080 R09: 0000000000000000
[  256.904228] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  256.911493] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  256.918812]  skb_clone+0x1bb/0x500
[  256.922369]  ? finish_task_switch+0x2f5/0x900
[  256.926880]  ? skb_split+0x11e0/0x11e0
[  256.930775]  ? preempt_notifier_register+0x200/0x200
[  256.935878]  ? __switch_to_asm+0x34/0x70
[  256.939947]  ? __switch_to_asm+0x34/0x70
[  256.944009]  ? __switch_to_asm+0x40/0x70
[  256.948069]  ? __switch_to_asm+0x34/0x70
[  256.952139]  ? __switch_to_asm+0x40/0x70
[  256.956211]  ? __switch_to_asm+0x34/0x70
[  256.960270]  ? __switch_to_asm+0x40/0x70
[  256.964329]  ? __switch_to_asm+0x34/0x70
[  256.968537]  ? __switch_to_asm+0x34/0x70
[  256.972597]  ? __switch_to_asm+0x40/0x70
[  256.976658]  ? __switch_to_asm+0x34/0x70
[  256.980743]  bpf_clone_redirect+0xb9/0x490
[  256.984980]  ? __schedule+0x874/0x1ed0
[  256.988879]  bpf_prog_bebbfe2050753572+0x482/0x1000
[  256.993922]  ? __sched_text_start+0x8/0x8
[  256.998096]  ? find_held_lock+0x36/0x1c0
[  257.002168]  ? lock_acquire+0x1ed/0x520
[  257.006141]  ? bpf_test_run+0x32e/0x5a0
[  257.010119]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.015674]  ? check_preemption_disabled+0x48/0x200
[  257.020701]  ? kasan_check_read+0x11/0x20
[  257.024850]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  257.030131]  ? rcu_bh_qs+0xc0/0xc0
[  257.033675]  ? preempt_schedule+0x4d/0x60
[  257.037837]  ? ___preempt_schedule+0x16/0x18
[  257.042300]  ? bpf_test_run+0x1c0/0x5a0
[  257.046600]  ? netlink_diag_dump+0x2a0/0x2a0
[  257.051030]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  257.056569]  ? bpf_test_init.isra.9+0x70/0x100
[  257.061163]  ? bpf_prog_test_run_skb+0x634/0xb40
[  257.065933]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  257.070773]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  257.076309]  ? fput+0x130/0x1a0
[  257.079589]  ? __bpf_prog_get+0x9b/0x290
[  257.083650]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  257.088492]  ? bpf_prog_test_run+0x130/0x1a0
[  257.092909]  ? __x64_sys_bpf+0x3d8/0x510
[  257.096976]  ? bpf_prog_get+0x20/0x20
[  257.100795]  ? ksys_ioctl+0x81/0xd0
[  257.104434]  ? do_syscall_64+0x1b9/0x820
[  257.108500]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  257.113866]  ? syscall_return_slowpath+0x5e0/0x5e0
[  257.118810]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  257.123671]  ? trace_hardirqs_off+0x300/0x300
[  257.128175]  ? prepare_exit_to_usermode+0x291/0x3b0
[  257.133200]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  257.138050]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  257.143449] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
[  257.143538] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  257.150210] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  257.150215] Call Trace:
[  257.150234]  dump_stack+0x1c4/0x2b4
[  257.150251]  ? dump_stack_print_info.cold.2+0x52/0x52
[  257.150278]  warn_alloc.cold.118+0xb7/0x1bd
[  257.157364] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  257.166627]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  257.169190] syz-executor1 cpuset=
[  257.172816]  ? lock_downgrade+0x900/0x900
[  257.177984] syz1
[  257.182326]  ? trace_hardirqs_off+0xb8/0x300
[  257.192791]  mems_allowed=0
[  257.197629]  ? trace_hardirqs_off+0xb8/0x300
[  257.218918]  __alloc_pages_slowpath+0x2667/0x2d80
[  257.223787]  ? mark_held_locks+0x130/0x130
[  257.228030]  ? warn_alloc+0x120/0x120
[  257.231841]  ? warn_alloc+0x120/0x120
[  257.235647]  ? print_usage_bug+0xc0/0xc0
[  257.239714]  ? warn_alloc+0x120/0x120
[  257.243519]  ? print_usage_bug+0xc0/0xc0
[  257.247585]  ? __lock_acquire+0x7ec/0x4ec0
[  257.251822]  ? __lock_acquire+0x7ec/0x4ec0
[  257.256068]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  257.261607]  ? should_fail+0x22d/0xd01
[  257.265507]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  257.270626]  ? __lock_acquire+0x7ec/0x4ec0
[  257.274885]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  257.279987]  ? __lock_acquire+0x7ec/0x4ec0
[  257.284223]  ? should_fail+0x22d/0xd01
[  257.288124]  ? mark_held_locks+0x130/0x130
[  257.292362]  ? mark_held_locks+0x130/0x130
[  257.296614]  ? graph_lock+0x170/0x170
[  257.300420]  ? graph_lock+0x170/0x170
[  257.304236]  ? graph_lock+0x170/0x170
[  257.308033]  ? print_usage_bug+0xc0/0xc0
[  257.312096]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.317632]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.323184]  ? check_preemption_disabled+0x48/0x200
[  257.328199]  ? check_preemption_disabled+0x48/0x200
[  257.333239]  ? __lock_is_held+0xb5/0x140
[  257.337313]  __alloc_pages_nodemask+0xa80/0xde0
[  257.341983]  ? graph_lock+0x170/0x170
[  257.345789]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  257.350802]  ? graph_lock+0x170/0x170
[  257.354612]  ? find_held_lock+0x36/0x1c0
[  257.358686]  ? ____cache_alloc_node+0x1c7/0x1e0
[  257.363351]  ? lock_downgrade+0x900/0x900
[  257.367511]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.373065]  cache_grow_begin+0x91/0x8c0
[  257.377131]  ? do_raw_spin_unlock+0xa7/0x2f0
[  257.381562]  fallback_alloc+0x203/0x2e0
[  257.385547]  ____cache_alloc_node+0x1c7/0x1e0
[  257.390052]  kmem_cache_alloc_node+0xe3/0x730
[  257.394553]  ? ipv6_get_ifaddr+0x42e/0x620
[  257.398807]  __alloc_skb+0x119/0x770
[  257.402531]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  257.407834]  ? skb_scrub_packet+0x490/0x490
[  257.412185]  ? lock_downgrade+0x900/0x900
[  257.416342]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.421893]  ? refcount_sub_and_test_checked+0x203/0x310
[  257.427351]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  257.432814]  ? addrconf_rs_timer+0x6f0/0x6f0
[  257.437240]  ndisc_alloc_skb+0x144/0x340
[  257.441319]  ndisc_send_rs+0x331/0x6e0
[  257.445214]  addrconf_rs_timer+0x3c0/0x6f0
[  257.449488]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.453751]  call_timer_fn+0x272/0x920
[  257.457637]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.461875]  ? process_timeout+0x40/0x40
[  257.465947]  ? find_held_lock+0x36/0x1c0
[  257.470016]  ? __run_timers+0x7da/0xc70
[  257.474016]  ? _raw_spin_unlock_irq+0x27/0x80
[  257.478522]  ? _raw_spin_unlock_irq+0x27/0x80
[  257.483023]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.487274]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  257.491861]  ? trace_hardirqs_on+0xbd/0x310
[  257.496184]  ? kasan_check_read+0x11/0x20
[  257.500339]  ? __run_timers+0x7da/0xc70
[  257.504328]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  257.509786]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.514026]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.518277]  __run_timers+0x7e5/0xc70
[  257.522092]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  257.527458]  ? compat_start_thread+0x80/0x80
[  257.531874]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.537431]  ? kasan_check_write+0x14/0x20
[  257.541675]  ? finish_task_switch+0x2f5/0x900
[  257.546178]  ? __switch_to_asm+0x40/0x70
[  257.550245]  ? preempt_notifier_register+0x200/0x200
[  257.555348]  ? __switch_to_asm+0x34/0x70
[  257.559420]  ? __switch_to_asm+0x40/0x70
[  257.563489]  ? __switch_to_asm+0x34/0x70
[  257.567572]  ? __switch_to_asm+0x40/0x70
[  257.571631]  ? __switch_to_asm+0x34/0x70
[  257.575702]  ? __switch_to_asm+0x40/0x70
[  257.579773]  ? pvclock_read_flags+0x160/0x160
[  257.584268]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.589823]  ? check_preemption_disabled+0x48/0x200
[  257.594860]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  257.600402]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  257.605686]  ? rcu_pm_notify+0xc0/0xc0
[  257.609575]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.615125]  ? check_preemption_disabled+0x48/0x200
[  257.620169]  run_timer_softirq+0x52/0xb0
[  257.624229]  ? rcu_read_lock_sched_held+0x108/0x120
[  257.629248]  __do_softirq+0x30b/0xad8
[  257.633059]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  257.638199]  ? schedule+0x108/0x460
[  257.641843]  ? __schedule+0x1ed0/0x1ed0
[  257.645841]  ? trace_hardirqs_off+0xb8/0x300
[  257.650254]  ? ___might_sleep+0x1ed/0x300
[  257.654412]  ? smpboot_thread_fn+0x68b/0xa00
[  257.658922]  ? trace_hardirqs_on+0x310/0x310
[  257.663332]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  257.668876]  ? check_preemption_disabled+0x48/0x200
[  257.673896]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.679454]  ? takeover_tasklets+0xa90/0xa90
[  257.683866]  run_ksoftirqd+0x94/0x100
[  257.687694]  smpboot_thread_fn+0x68b/0xa00
[  257.691932]  ? sort_range+0x30/0x30
[  257.695562]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  257.700665]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  257.706202]  ? __kthread_parkme+0xfb/0x1a0
[  257.710440]  kthread+0x35a/0x420
[  257.713805]  ? sort_range+0x30/0x30
[  257.717438]  ? kthread_bind+0x40/0x40
[  257.721242]  ret_from_fork+0x3a/0x50
[  257.724970] warn_alloc_show_mem: 1 callbacks suppressed
[  257.724982] CPU: 1 PID: 10110 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
[  257.724985] Mem-Info:
[  257.725043] active_anon:39159 inactive_anon:1633 isolated_anon:0
[  257.725043]  active_file:15 inactive_file:16 isolated_file:0
[  257.725043]  unevictable:0 dirty:0 writeback:0 unstable:0
[  257.725043]  slab_reclaimable:8773 slab_unreclaimable:1470459
[  257.725043]  mapped:49330 shmem:1666 pagetables:630 bounce:0
[  257.725043]  free:13723 free_pcp:275 free_cma:0
[  257.730420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  257.737701] Node 0 active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197320kB dirty:0kB writeback:0kB shmem:6664kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  257.740116] Call Trace:
[  257.773191] Node 0 
[  257.782551]  <IRQ>
[  257.810243] 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
[  257.812809]  dump_stack+0x1c4/0x2b4
[  257.815015] lowmem_reserve[]:
[  257.817162]  ? dump_stack_print_info.cold.2+0x52/0x52
[  257.842634]  0 2817
[  257.846278]  warn_alloc.cold.118+0xb7/0x1bd
[  257.849354]  6321
[  257.854545]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  257.856757]  6321
[  257.861078]  ? lock_downgrade+0x900/0x900
[  257.863144] Node 0 
[  257.867989]  ? trace_hardirqs_off+0xb8/0x300
[  257.870054] DMA32 free:25172kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  257.874178]  ? trace_hardirqs_off+0xb8/0x300
[  257.876394] lowmem_reserve[]: 0
[  257.880814]  __alloc_pages_slowpath+0x2667/0x2d80
[  257.907508]  0
[  257.911948]  ? warn_alloc+0x120/0x120
[  257.915174]  3503
[  257.920015]  ? trace_hardirqs_on+0x310/0x310
[  257.921795]  3503
[  257.925592]  ? warn_alloc+0x120/0x120
[  257.932043]  ? print_usage_bug+0xc0/0xc0
[  257.934088] Node 0 
[  257.937884]  ? warn_alloc+0x120/0x120
[  257.941949] Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5408kB pagetables:2520kB bounce:0kB free_pcp:852kB local_pcp:604kB free_cma:0kB
[  257.944161]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  257.947940] lowmem_reserve[]:
[  257.976303]  ? print_usage_bug+0xc0/0xc0
[  257.981298]  0
[  257.984406]  ? __lock_acquire+0x7ec/0x4ec0
[  257.988444]  0 0
[  257.990256]  ? __lock_acquire+0x7ec/0x4ec0
[  257.994462]  0
[  257.996447]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  258.000659] Node 0 
[  258.002462]  ? should_fail+0x22d/0xd01
[  258.007968] DMA: 1*4kB 
[  258.010215]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  258.014078] (U) 
[  258.016670]  ? __lock_acquire+0x7ec/0x4ec0
[  258.021755] 0*8kB 
[  258.023730]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  258.027953] 0*16kB 
[  258.030097]  ? __lock_acquire+0x7ec/0x4ec0
[  258.035171] 1*32kB (U) 
[  258.037412]  ? should_fail+0x22d/0xd01
[  258.041633] 2*64kB 
[  258.044225]  ? print_usage_bug+0xc0/0xc0
[  258.048088] (U) 
[  258.050340]  ? mark_held_locks+0x130/0x130
[  258.054367] 1*128kB (U) 
[  258.056393]  ? mark_held_locks+0x130/0x130
[  258.060685] 1*256kB 
[  258.063353]  ? graph_lock+0x170/0x170
[  258.067564] (U) 
[  258.069883]  ? print_usage_bug+0xc0/0xc0
[  258.073661] 0*512kB 
[  258.075636]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  258.079674] 1*1024kB 
[  258.081995]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.086725] (U) 
[  258.089134]  ? check_preemption_disabled+0x48/0x200
[  258.094641] 1*2048kB (M) 
[  258.096626]  ? check_preemption_disabled+0x48/0x200
[  258.101614] 3*4096kB (M) 
[  258.104393]  ? __lock_is_held+0xb5/0x140
[  258.109371] = 15908kB
[  258.112132]  __alloc_pages_nodemask+0xa80/0xde0
[  258.116196] Node 0 
[  258.118603]  ? graph_lock+0x170/0x170
[  258.123254] DMA32: 3*4kB 
[  258.125525]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  258.129304] (UM) 
[  258.132055]  ? graph_lock+0x170/0x170
[  258.137040] 1*8kB (U) 
[  258.139133]  ? find_held_lock+0x36/0x1c0
[  258.142902] 4*16kB (UM) 2*32kB 
[  258.145428]  ? ____cache_alloc_node+0x1c7/0x1e0
[  258.149461] (UM) 
[  258.152738]  ? lock_downgrade+0x900/0x900
[  258.157384] 3*64kB (UM) 
[  258.159475]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.163591] 4*128kB (UM) 
[  258.166302]  cache_grow_begin+0x91/0x8c0
[  258.171807] 3*256kB (UM) 
[  258.174587]  ? do_raw_spin_unlock+0xa7/0x2f0
[  258.178626] 4*512kB 
[  258.181393]  fallback_alloc+0x203/0x2e0
[  258.185766] (UM) 
[  258.188094]  ____cache_alloc_node+0x1c7/0x1e0
[  258.192052] 3*1024kB (M) 
[  258.194125]  kmem_cache_alloc_node+0xe3/0x730
[  258.198595] 3*2048kB 
[  258.201355]  ? ipv6_get_ifaddr+0x42e/0x620
[  258.205823] (UM) 
[  258.208261]  __alloc_skb+0x119/0x770
[  258.212475] 3*4096kB (M) 
[  258.214554]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  258.218239] = 25172kB
[  258.220995]  ? skb_scrub_packet+0x490/0x490
[  258.226248] Node 0 
[  258.228652]  ? lock_downgrade+0x900/0x900
[  258.232946] Normal: 979*4kB 
[  258.235202]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.239324] (ME) 
[  258.242357]  ? refcount_sub_and_test_checked+0x203/0x310
[  258.247864] 483*8kB (UME) 
[  258.249938]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  258.255367] 201*16kB 
[  258.258212]  ? addrconf_rs_timer+0x6f0/0x6f0
[  258.263636] (ME) 
[  258.266053]  ndisc_alloc_skb+0x144/0x340
[  258.270437] 59*32kB 
[  258.272499]  ndisc_send_rs+0x331/0x6e0
[  258.276534] (UME) 
[  258.278863]  addrconf_rs_timer+0x3c0/0x6f0
[  258.282739] 15*64kB 
[  258.284889]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  258.289096] (UM) 
[  258.291427]  call_timer_fn+0x272/0x920
[  258.295634] 0*128kB 0*256kB 
[  258.297700]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  258.301578] 0*512kB 
[  258.304594]  ? process_timeout+0x40/0x40
[  258.308801] 0*1024kB 0*2048kB 
[  258.311128]  ? find_held_lock+0x36/0x1c0
[  258.315164] 0*4096kB 
[  258.318355]  ? __run_timers+0x7da/0xc70
[  258.322386] = 13844kB
[  258.322400] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  258.324822]  ? _raw_spin_unlock_irq+0x27/0x80
[  258.328794] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  258.331195]  ? _raw_spin_unlock_irq+0x27/0x80
[  258.340011] 1697 total pagecache pages
[  258.344504]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  258.353061] 0 pages in swap cache
[  258.357546]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  258.361415] Swap cache stats: add 0, delete 0, find 0/0
[  258.365641]  ? trace_hardirqs_on+0xbd/0x310
[  258.369069] Free swap  = 0kB
[  258.373650]  ? kasan_check_read+0x11/0x20
[  258.379001] Total swap = 0kB
[  258.383315]  ? __run_timers+0x7da/0xc70
[  258.386313] 1965979 pages RAM
[  258.390459]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  258.393452] 0 pages HighMem/MovableOnly
[  258.393461] 342744 pages reserved
[  258.397436]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  258.400521] 0 pages cma reserved
[  258.400620] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  258.405978]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  258.410028] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  258.413404]  __run_timers+0x7e5/0xc70
[  258.417624] ksoftirqd/0 cpuset=
[  258.420995]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  258.427457] /
[  258.431702]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  258.431719]  ? rcu_bh_qs+0xc0/0xc0
[  258.442015]  mems_allowed=0
[  258.445810]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.473506]  ? check_preemption_disabled+0x48/0x200
[  258.478536]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  258.483300]  ? retint_kernel+0x2d/0x2d
[  258.487200]  ? trace_hardirqs_on_caller+0xc0/0x300
[  258.492133]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  258.496892]  ? trace_hardirqs_off_caller+0x300/0x300
[  258.502029]  ? check_preemption_disabled+0x48/0x200
[  258.507051]  ? graph_lock+0x170/0x170
[  258.510873]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.516415]  ? check_preemption_disabled+0x48/0x200
[  258.521451]  ? __lock_is_held+0xb5/0x140
[  258.525519]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.531063]  ? check_preemption_disabled+0x48/0x200
[  258.536086]  run_timer_softirq+0x52/0xb0
[  258.540148]  ? rcu_read_lock_sched_held+0x108/0x120
[  258.545202]  __do_softirq+0x30b/0xad8
[  258.549015]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  258.554125]  ? pvclock_read_flags+0x160/0x160
[  258.558622]  ? lapic_next_event+0x5a/0x90
[  258.562770]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.568313]  ? check_preemption_disabled+0x48/0x200
[  258.573331]  ? check_preemption_disabled+0x48/0x200
[  258.578358]  ? kvm_clock_read+0x18/0x30
[  258.582340]  ? kvm_sched_clock_read+0x9/0x20
[  258.586748]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.592291]  ? check_preemption_disabled+0x48/0x200
[  258.597318]  irq_exit+0x17f/0x1c0
[  258.600777]  smp_apic_timer_interrupt+0x1cb/0x760
[  258.605619]  ? smp_reschedule_interrupt+0x109/0x650
[  258.610640]  ? smp_call_function_single_interrupt+0x650/0x650
[  258.616531]  ? interrupt_entry+0xb5/0xf0
[  258.620596]  ? trace_hardirqs_off_caller+0xbb/0x300
[  258.625627]  ? trace_hardirqs_off_caller+0xbb/0x300
[  258.630648]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  258.635491]  ? trace_hardirqs_off+0x300/0x300
[  258.639986]  ? trace_hardirqs_off+0x300/0x300
[  258.644483]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.650021]  ? check_preemption_disabled+0x48/0x200
[  258.655044]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.660602]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  258.665470]  apic_timer_interrupt+0xf/0x20
[  258.669701]  </IRQ>
[  258.671941] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  258.676873] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 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 9a 42
[  258.695803] RSP: 0018:ffff88019cfa7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  258.703514] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  258.710793] RDX: 0000000000000000 RSI: ffff88019d338900 RDI: 0000000000000282
[  258.718058] RBP: ffff88019cfa77b0 R08: ffff88019d338080 R09: 0000000000000000
[  258.725324] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  258.732591] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  258.739901]  skb_clone+0x1bb/0x500
[  258.743473]  ? finish_task_switch+0x2f5/0x900
[  258.747972]  ? skb_split+0x11e0/0x11e0
[  258.751863]  ? preempt_notifier_register+0x200/0x200
[  258.756968]  ? __switch_to_asm+0x34/0x70
[  258.761029]  ? __switch_to_asm+0x34/0x70
[  258.765087]  ? __switch_to_asm+0x40/0x70
[  258.769148]  ? __switch_to_asm+0x34/0x70
[  258.773214]  ? __switch_to_asm+0x40/0x70
[  258.777309]  ? __switch_to_asm+0x34/0x70
[  258.781365]  ? __switch_to_asm+0x40/0x70
[  258.785430]  ? __switch_to_asm+0x34/0x70
[  258.789492]  ? __switch_to_asm+0x34/0x70
[  258.793562]  ? __switch_to_asm+0x40/0x70
[  258.797643]  ? __switch_to_asm+0x34/0x70
[  258.801715]  bpf_clone_redirect+0xb9/0x490
[  258.805954]  ? __schedule+0x874/0x1ed0
[  258.809850]  bpf_prog_bebbfe2050753572+0x482/0x1000
[  258.814871]  ? __sched_text_start+0x8/0x8
[  258.819047]  ? find_held_lock+0x36/0x1c0
[  258.823117]  ? lock_acquire+0x1ed/0x520
[  258.827104]  ? bpf_test_run+0x32e/0x5a0
[  258.831077]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.836617]  ? check_preemption_disabled+0x48/0x200
[  258.841642]  ? kasan_check_read+0x11/0x20
[  258.845795]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  258.851073]  ? rcu_bh_qs+0xc0/0xc0
[  258.854626]  ? preempt_schedule+0x4d/0x60
[  258.858774]  ? ___preempt_schedule+0x16/0x18
[  258.863211]  ? bpf_test_run+0x1c0/0x5a0
[  258.867220]  ? netlink_diag_dump+0x2a0/0x2a0
[  258.871636]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  258.877169]  ? bpf_test_init.isra.9+0x70/0x100
[  258.881754]  ? bpf_prog_test_run_skb+0x634/0xb40
[  258.886513]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  258.891354]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  258.896893]  ? fput+0x130/0x1a0
[  258.900179]  ? __bpf_prog_get+0x9b/0x290
[  258.904240]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  258.909081]  ? bpf_prog_test_run+0x130/0x1a0
[  258.913506]  ? __x64_sys_bpf+0x3d8/0x510
[  258.917569]  ? bpf_prog_get+0x20/0x20
[  258.921398]  ? ksys_ioctl+0x81/0xd0
[  258.925038]  ? do_syscall_64+0x1b9/0x820
[  258.929099]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  258.934463]  ? syscall_return_slowpath+0x5e0/0x5e0
[  258.939397]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  258.944245]  ? trace_hardirqs_off+0x300/0x300
[  258.948747]  ? prepare_exit_to_usermode+0x291/0x3b0
[  258.953771]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  258.958623]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  258.964005] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
[  258.964098] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  258.970770] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  258.970775] Call Trace:
[  258.970806]  dump_stack+0x1c4/0x2b4
[  258.970835]  ? dump_stack_print_info.cold.2+0x52/0x52
[  258.970862]  warn_alloc.cold.118+0xb7/0x1bd
[  258.977455] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  258.986703]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  258.989265] syz-executor1 cpuset=
[  258.992888]  ? lock_downgrade+0x900/0x900
[  258.998062] syz1
[  259.002385]  ? trace_hardirqs_off+0xb8/0x300
[  259.012854]  mems_allowed=0
[  259.017694]  ? trace_hardirqs_off+0xb8/0x300
[  259.038961]  __alloc_pages_slowpath+0x2667/0x2d80
[  259.043843]  ? mark_held_locks+0x130/0x130
[  259.048502]  ? warn_alloc+0x120/0x120
[  259.052309]  ? warn_alloc+0x120/0x120
[  259.056112]  ? print_usage_bug+0xc0/0xc0
[  259.060175]  ? warn_alloc+0x120/0x120
[  259.063975]  ? print_usage_bug+0xc0/0xc0
[  259.068041]  ? __lock_acquire+0x7ec/0x4ec0
[  259.072276]  ? __lock_acquire+0x7ec/0x4ec0
[  259.076517]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.082071]  ? should_fail+0x22d/0xd01
[  259.085965]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  259.091070]  ? __lock_acquire+0x7ec/0x4ec0
[  259.095322]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  259.100433]  ? __lock_acquire+0x7ec/0x4ec0
[  259.104667]  ? should_fail+0x22d/0xd01
[  259.108557]  ? print_usage_bug+0xc0/0xc0
[  259.112625]  ? mark_held_locks+0x130/0x130
[  259.116866]  ? mark_held_locks+0x130/0x130
[  259.121108]  ? graph_lock+0x170/0x170
[  259.124910]  ? print_usage_bug+0xc0/0xc0
[  259.128982]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  259.133756]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.139299]  ? check_preemption_disabled+0x48/0x200
[  259.144317]  ? check_preemption_disabled+0x48/0x200
[  259.149363]  ? __lock_is_held+0xb5/0x140
[  259.153623]  __alloc_pages_nodemask+0xa80/0xde0
[  259.158292]  ? graph_lock+0x170/0x170
[  259.162093]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  259.167102]  ? graph_lock+0x170/0x170
[  259.170913]  ? find_held_lock+0x36/0x1c0
[  259.175010]  ? ____cache_alloc_node+0x1c7/0x1e0
[  259.179680]  ? lock_downgrade+0x900/0x900
[  259.183837]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.189379]  cache_grow_begin+0x91/0x8c0
[  259.193448]  ? do_raw_spin_unlock+0xa7/0x2f0
[  259.197865]  fallback_alloc+0x203/0x2e0
[  259.201873]  ____cache_alloc_node+0x1c7/0x1e0
[  259.206371]  kmem_cache_alloc_node+0xe3/0x730
[  259.210871]  ? ipv6_get_ifaddr+0x42e/0x620
[  259.215132]  __alloc_skb+0x119/0x770
[  259.218849]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  259.224129]  ? skb_scrub_packet+0x490/0x490
[  259.228448]  ? lock_downgrade+0x900/0x900
[  259.232608]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.238144]  ? refcount_sub_and_test_checked+0x203/0x310
[  259.243599]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  259.249051]  ? addrconf_rs_timer+0x6f0/0x6f0
[  259.253472]  ndisc_alloc_skb+0x144/0x340
[  259.257544]  ndisc_send_rs+0x331/0x6e0
[  259.261457]  addrconf_rs_timer+0x3c0/0x6f0
[  259.265712]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  259.269986]  call_timer_fn+0x272/0x920
[  259.273888]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  259.278127]  ? process_timeout+0x40/0x40
[  259.282187]  ? find_held_lock+0x36/0x1c0
[  259.286304]  ? __run_timers+0x7da/0xc70
[  259.290294]  ? _raw_spin_unlock_irq+0x27/0x80
[  259.294788]  ? _raw_spin_unlock_irq+0x27/0x80
[  259.299295]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  259.303540]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  259.308142]  ? trace_hardirqs_on+0xbd/0x310
[  259.312468]  ? kasan_check_read+0x11/0x20
[  259.316620]  ? __run_timers+0x7da/0xc70
[  259.320597]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  259.326061]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  259.330299]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  259.334537]  __run_timers+0x7e5/0xc70
[  259.338355]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  259.343727]  ? compat_start_thread+0x80/0x80
[  259.348149]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.353698]  ? kasan_check_write+0x14/0x20
[  259.357938]  ? finish_task_switch+0x2f5/0x900
[  259.362441]  ? __switch_to_asm+0x40/0x70
[  259.366510]  ? preempt_notifier_register+0x200/0x200
[  259.371614]  ? __switch_to_asm+0x34/0x70
[  259.375676]  ? __switch_to_asm+0x40/0x70
[  259.379734]  ? __switch_to_asm+0x34/0x70
[  259.383794]  ? __switch_to_asm+0x40/0x70
[  259.387852]  ? __switch_to_asm+0x34/0x70
[  259.391917]  ? __switch_to_asm+0x40/0x70
[  259.395994]  ? pvclock_read_flags+0x160/0x160
[  259.400492]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.406036]  ? check_preemption_disabled+0x48/0x200
[  259.411062]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  259.416614]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  259.421937]  ? rcu_pm_notify+0xc0/0xc0
[  259.425837]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.431376]  ? check_preemption_disabled+0x48/0x200
[  259.436423]  run_timer_softirq+0x52/0xb0
[  259.440513]  ? rcu_read_lock_sched_held+0x108/0x120
[  259.445544]  __do_softirq+0x30b/0xad8
[  259.449368]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  259.454487]  ? schedule+0x108/0x460
[  259.458133]  ? __schedule+0x1ed0/0x1ed0
[  259.462123]  ? trace_hardirqs_off+0xb8/0x300
[  259.466533]  ? ___might_sleep+0x1ed/0x300
[  259.470697]  ? smpboot_thread_fn+0x68b/0xa00
[  259.475133]  ? trace_hardirqs_on+0x310/0x310
[  259.479543]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.485084]  ? check_preemption_disabled+0x48/0x200
[  259.490099]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.495638]  ? takeover_tasklets+0xa90/0xa90
[  259.500050]  run_ksoftirqd+0x94/0x100
[  259.503864]  smpboot_thread_fn+0x68b/0xa00
[  259.508127]  ? sort_range+0x30/0x30
[  259.511766]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  259.516868]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.522412]  ? __kthread_parkme+0xfb/0x1a0
[  259.526657]  kthread+0x35a/0x420
[  259.530022]  ? sort_range+0x30/0x30
[  259.533652]  ? kthread_bind+0x40/0x40
[  259.537459]  ret_from_fork+0x3a/0x50
[  259.541198] CPU: 1 PID: 10110 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
[  259.541204] warn_alloc_show_mem: 1 callbacks suppressed
[  259.541211] Mem-Info:
[  259.548490] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  259.553887] active_anon:39159 inactive_anon:1633 isolated_anon:0
[  259.553887]  active_file:15 inactive_file:16 isolated_file:0
[  259.553887]  unevictable:0 dirty:0 writeback:0 unstable:0
[  259.553887]  slab_reclaimable:8773 slab_unreclaimable:1470459
[  259.553887]  mapped:49330 shmem:1666 pagetables:630 bounce:0
[  259.553887]  free:13723 free_pcp:275 free_cma:0
[  259.556263] Call Trace:
[  259.565650] Node 0 active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197320kB dirty:0kB writeback:0kB shmem:6664kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  259.598675]  <IRQ>
[  259.601249] Node 0 
[  259.628919]  dump_stack+0x1c4/0x2b4
[  259.631063] 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
[  259.633271]  ? dump_stack_print_info.cold.2+0x52/0x52
[  259.636868] lowmem_reserve[]: 0
[  259.662394]  warn_alloc.cold.118+0xb7/0x1bd
[  259.667570]  2817 6321
[  259.670869]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  259.675168]  6321
[  259.677661]  ? lock_downgrade+0x900/0x900
[  259.684578]  ? trace_hardirqs_off+0xb8/0x300
[  259.688721] Node 0 DMA32 free:25172kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  259.693153]  ? trace_hardirqs_off+0xb8/0x300
[  259.693176]  __alloc_pages_slowpath+0x2667/0x2d80
[  259.720500] lowmem_reserve[]:
[  259.724949]  ? warn_alloc+0x120/0x120
[  259.729724]  0 0
[  259.732831]  ? trace_hardirqs_on+0x310/0x310
[  259.736610]  3503
[  259.738585]  ? warn_alloc+0x120/0x120
[  259.742963]  3503
[  259.745031]  ? print_usage_bug+0xc0/0xc0
[  259.748813] Node 0 
[  259.750901]  ? warn_alloc+0x120/0x120
[  259.754968] Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5408kB pagetables:2520kB bounce:0kB free_pcp:852kB local_pcp:604kB free_cma:0kB
[  259.757177]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  259.760951] lowmem_reserve[]:
[  259.789323]  ? print_usage_bug+0xc0/0xc0
[  259.794315]  0
[  259.797443]  ? __lock_acquire+0x7ec/0x4ec0
[  259.801481]  0
[  259.803284]  ? __lock_acquire+0x7ec/0x4ec0
[  259.807500]  0 0
[  259.809308]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.815492]  ? should_fail+0x22d/0xd01
[  259.821004] Node 0 DMA: 
[  259.824918]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  259.824934]  ? __lock_acquire+0x7ec/0x4ec0
[  259.827587] 1*4kB 
[  259.832684]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  259.836892] (U) 
[  259.839039]  ? __lock_acquire+0x7ec/0x4ec0
[  259.844120] 0*8kB 
[  259.846089]  ? should_fail+0x22d/0xd01
[  259.850302] 0*16kB 
[  259.852457]  ? print_usage_bug+0xc0/0xc0
[  259.856324] 1*32kB 
[  259.858587]  ? mark_held_locks+0x130/0x130
[  259.862619] (U) 
[  259.864866]  ? mark_held_locks+0x130/0x130
[  259.869078] 2*64kB 
[  259.871050]  ? graph_lock+0x170/0x170
[  259.875255] (U) 
[  259.877490]  ? print_usage_bug+0xc0/0xc0
[  259.881260] 1*128kB (U) 
[  259.883240]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  259.887267] 1*256kB (U) 
[  259.889944]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.894684] 0*512kB 
[  259.897351]  ? check_preemption_disabled+0x48/0x200
[  259.902875] 1*1024kB 
[  259.905194]  ? check_preemption_disabled+0x48/0x200
[  259.910180] (U) 
[  259.912627]  ? __lock_is_held+0xb5/0x140
[  259.917640] 1*2048kB (M) 
[  259.919640]  __alloc_pages_nodemask+0xa80/0xde0
[  259.923701] 3*4096kB 
[  259.926477]  ? graph_lock+0x170/0x170
[  259.931124] (M) 
[  259.933532]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  259.937310] = 15908kB
[  259.939283]  ? graph_lock+0x170/0x170
[  259.944288] Node 0 
[  259.946741]  ? find_held_lock+0x36/0x1c0
[  259.950507] DMA32: 3*4kB 
[  259.952770]  ? ____cache_alloc_node+0x1c7/0x1e0
[  259.956808] (UM) 
[  259.959573]  ? lock_downgrade+0x900/0x900
[  259.964238] 1*8kB (U) 
[  259.966317]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.970432] 4*16kB (UM) 
[  259.972967]  cache_grow_begin+0x91/0x8c0
[  259.978486] 2*32kB (UM) 
[  259.981173]  ? do_raw_spin_unlock+0xa7/0x2f0
[  259.985202] 3*64kB 
[  259.987871]  fallback_alloc+0x203/0x2e0
[  259.992249] (UM) 
[  259.994495]  ____cache_alloc_node+0x1c7/0x1e0
[  259.998450] 4*128kB 
[  260.000526]  kmem_cache_alloc_node+0xe3/0x730
[  260.004997] (UM) 
[  260.007333]  ? ipv6_get_ifaddr+0x42e/0x620
[  260.011803] 3*256kB 
[  260.013911]  __alloc_skb+0x119/0x770
[  260.018119] (UM) 
[  260.020443]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  260.024150] 4*512kB (UM) 
[  260.026228]  ? skb_scrub_packet+0x490/0x490
[  260.031477] 3*1024kB (M) 
[  260.034237]  ? lock_downgrade+0x900/0x900
[  260.038543] 3*2048kB 
[  260.041316]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.045444] (UM) 
[  260.047854]  ? refcount_sub_and_test_checked+0x203/0x310
[  260.053366] 3*4096kB 
[  260.055433]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  260.060861] (M) 
[  260.063272]  ? addrconf_rs_timer+0x6f0/0x6f0
[  260.068699] = 25172kB
[  260.070680]  ndisc_alloc_skb+0x144/0x340
[  260.075058] Node 0 
[  260.077470]  ndisc_send_rs+0x331/0x6e0
[  260.081507] Normal: 
[  260.083738]  addrconf_rs_timer+0x3c0/0x6f0
[  260.087636] 979*4kB 
[  260.089968]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.094193] (ME) 
[  260.096522]  call_timer_fn+0x272/0x920
[  260.100718] 483*8kB (UME) 
[  260.102785]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.106653] 201*16kB 
[  260.109505]  ? process_timeout+0x40/0x40
[  260.113726] (ME) 
[  260.116145]  ? find_held_lock+0x36/0x1c0
[  260.120187] 59*32kB 
[  260.122268]  ? __run_timers+0x7da/0xc70
[  260.126300] (UME) 
[  260.128625]  ? _raw_spin_unlock_irq+0x27/0x80
[  260.132576] 15*64kB 
[  260.134730]  ? _raw_spin_unlock_irq+0x27/0x80
[  260.139202] (UM) 
[  260.141521]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.145984] 0*128kB 0*256kB 0*512kB 
[  260.148062]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  260.152279] 0*1024kB 
[  260.155988]  ? trace_hardirqs_on+0xbd/0x310
[  260.160548] 0*2048kB 
[  260.162958]  ? kasan_check_read+0x11/0x20
[  260.167252] 0*4096kB = 13844kB
[  260.169667]  ? __run_timers+0x7da/0xc70
[  260.173799] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  260.176997]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  260.180963] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  260.189797]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.195230] 1697 total pagecache pages
[  260.203832]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.208057] 0 pages in swap cache
[  260.211941]  __run_timers+0x7e5/0xc70
[  260.216152] Swap cache stats: add 0, delete 0, find 0/0
[  260.219610]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  260.223378] Free swap  = 0kB
[  260.228778]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  260.234120] Total swap = 0kB
[  260.237134]  ? rcu_bh_qs+0xc0/0xc0
[  260.242385] 1965979 pages RAM
[  260.242393] 0 pages HighMem/MovableOnly
[  260.245881]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.249395] 342744 pages reserved
[  260.249411] 0 pages cma reserved
[  260.252516]  ? check_preemption_disabled+0x48/0x200
[  260.256549] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  260.261999]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  260.262020]  ? retint_kernel+0x2d/0x2d
[  260.262039]  ? trace_hardirqs_on_caller+0xc0/0x300
[  260.265551] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  260.268849]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  260.273859] ksoftirqd/0 cpuset=
[  260.280382]  ? trace_hardirqs_off_caller+0x300/0x300
[  260.285110] /
[  260.288996]  ? check_preemption_disabled+0x48/0x200
[  260.293941]  mems_allowed=0
[  260.304244]  ? graph_lock+0x170/0x170
[  260.330740]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.336278]  ? check_preemption_disabled+0x48/0x200
[  260.341307]  ? __lock_is_held+0xb5/0x140
[  260.345370]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.350927]  ? check_preemption_disabled+0x48/0x200
[  260.355953]  run_timer_softirq+0x52/0xb0
[  260.360016]  ? rcu_read_lock_sched_held+0x108/0x120
[  260.365040]  __do_softirq+0x30b/0xad8
[  260.368858]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  260.373974]  ? pvclock_read_flags+0x160/0x160
[  260.378471]  ? lapic_next_event+0x5a/0x90
[  260.382623]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.388163]  ? check_preemption_disabled+0x48/0x200
[  260.393184]  ? check_preemption_disabled+0x48/0x200
[  260.398216]  ? kvm_clock_read+0x18/0x30
[  260.402198]  ? kvm_sched_clock_read+0x9/0x20
[  260.406615]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.412156]  ? check_preemption_disabled+0x48/0x200
[  260.417214]  irq_exit+0x17f/0x1c0
[  260.420675]  smp_apic_timer_interrupt+0x1cb/0x760
[  260.425520]  ? smp_reschedule_interrupt+0x109/0x650
[  260.430539]  ? smp_call_function_single_interrupt+0x650/0x650
[  260.436424]  ? interrupt_entry+0xb5/0xf0
[  260.440484]  ? trace_hardirqs_off_caller+0xbb/0x300
[  260.445505]  ? trace_hardirqs_off_caller+0xbb/0x300
[  260.450555]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  260.455404]  ? trace_hardirqs_off+0x300/0x300
[  260.459899]  ? trace_hardirqs_off+0x300/0x300
[  260.464408]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.469951]  ? check_preemption_disabled+0x48/0x200
[  260.474971]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.480519]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  260.485373]  apic_timer_interrupt+0xf/0x20
[  260.489624]  </IRQ>
[  260.491864] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  260.496811] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 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 9a 42
[  260.515741] RSP: 0018:ffff88019cfa7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  260.523451] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  260.530716] RDX: 0000000000000000 RSI: ffff88019d338900 RDI: 0000000000000282
[  260.537996] RBP: ffff88019cfa77b0 R08: ffff88019d338080 R09: 0000000000000000
[  260.545263] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  260.552551] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  260.559864]  skb_clone+0x1bb/0x500
[  260.563413]  ? finish_task_switch+0x2f5/0x900
[  260.567916]  ? skb_split+0x11e0/0x11e0
[  260.571807]  ? preempt_notifier_register+0x200/0x200
[  260.576923]  ? __switch_to_asm+0x34/0x70
[  260.580991]  ? __switch_to_asm+0x34/0x70
[  260.585056]  ? __switch_to_asm+0x40/0x70
[  260.589135]  ? __switch_to_asm+0x34/0x70
[  260.593211]  ? __switch_to_asm+0x40/0x70
[  260.597271]  ? __switch_to_asm+0x34/0x70
[  260.601330]  ? __switch_to_asm+0x40/0x70
[  260.605397]  ? __switch_to_asm+0x34/0x70
[  260.609474]  ? __switch_to_asm+0x34/0x70
[  260.613554]  ? __switch_to_asm+0x40/0x70
[  260.617629]  ? __switch_to_asm+0x34/0x70
[  260.621698]  bpf_clone_redirect+0xb9/0x490
[  260.625943]  ? __schedule+0x874/0x1ed0
[  260.629836]  bpf_prog_bebbfe2050753572+0x482/0x1000
[  260.634859]  ? __sched_text_start+0x8/0x8
[  260.639022]  ? find_held_lock+0x36/0x1c0
[  260.643125]  ? lock_acquire+0x1ed/0x520
[  260.647100]  ? bpf_test_run+0x32e/0x5a0
[  260.651084]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.656631]  ? check_preemption_disabled+0x48/0x200
[  260.661659]  ? kasan_check_read+0x11/0x20
[  260.665813]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  260.671095]  ? rcu_bh_qs+0xc0/0xc0
[  260.674647]  ? preempt_schedule+0x4d/0x60
[  260.678811]  ? ___preempt_schedule+0x16/0x18
[  260.683248]  ? bpf_test_run+0x1c0/0x5a0
[  260.687233]  ? netlink_diag_dump+0x2a0/0x2a0
[  260.691649]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  260.697188]  ? bpf_test_init.isra.9+0x70/0x100
[  260.701778]  ? bpf_prog_test_run_skb+0x634/0xb40
[  260.706546]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  260.711409]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  260.716948]  ? fput+0x130/0x1a0
[  260.720231]  ? __bpf_prog_get+0x9b/0x290
[  260.724320]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  260.729172]  ? bpf_prog_test_run+0x130/0x1a0
[  260.733583]  ? __x64_sys_bpf+0x3d8/0x510
[  260.737646]  ? bpf_prog_get+0x20/0x20
[  260.741457]  ? ksys_ioctl+0x81/0xd0
[  260.745099]  ? do_syscall_64+0x1b9/0x820
[  260.749159]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  260.754526]  ? syscall_return_slowpath+0x5e0/0x5e0
[  260.759457]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  260.764308]  ? trace_hardirqs_off+0x300/0x300
[  260.768822]  ? prepare_exit_to_usermode+0x291/0x3b0
[  260.773845]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  260.778699]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  260.784088] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
[  260.784180] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  260.790849] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  260.790855] Call Trace:
[  260.790874]  dump_stack+0x1c4/0x2b4
[  260.790890]  ? dump_stack_print_info.cold.2+0x52/0x52
[  260.790918]  warn_alloc.cold.118+0xb7/0x1bd
[  260.797506] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  260.806763]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  260.809329] syz-executor1 cpuset=
[  260.812953]  ? lock_downgrade+0x900/0x900
[  260.818121] syz1
[  260.822450]  ? trace_hardirqs_off+0xb8/0x300
[  260.832931]  mems_allowed=0
[  260.837780]  ? trace_hardirqs_off+0xb8/0x300
[  260.859073]  __alloc_pages_slowpath+0x2667/0x2d80
[  260.863941]  ? mark_held_locks+0x130/0x130
[  260.868205]  ? warn_alloc+0x120/0x120
[  260.872025]  ? warn_alloc+0x120/0x120
[  260.875832]  ? print_usage_bug+0xc0/0xc0
[  260.879892]  ? warn_alloc+0x120/0x120
[  260.883702]  ? print_usage_bug+0xc0/0xc0
[  260.887766]  ? __lock_acquire+0x7ec/0x4ec0
[  260.892001]  ? __lock_acquire+0x7ec/0x4ec0
[  260.896243]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  260.901796]  ? should_fail+0x22d/0xd01
[  260.905687]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  260.910802]  ? __lock_acquire+0x7ec/0x4ec0
[  260.915043]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  260.920155]  ? __lock_acquire+0x7ec/0x4ec0
[  260.924415]  ? should_fail+0x22d/0xd01
[  260.928314]  ? mark_held_locks+0x130/0x130
[  260.932555]  ? mark_held_locks+0x130/0x130
[  260.936795]  ? graph_lock+0x170/0x170
[  260.940595]  ? graph_lock+0x170/0x170
[  260.944401]  ? graph_lock+0x170/0x170
[  260.948234]  ? print_usage_bug+0xc0/0xc0
[  260.952299]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.957841]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.963383]  ? check_preemption_disabled+0x48/0x200
[  260.968435]  ? check_preemption_disabled+0x48/0x200
[  260.973468]  ? __lock_is_held+0xb5/0x140
[  260.977539]  __alloc_pages_nodemask+0xa80/0xde0
[  260.982224]  ? graph_lock+0x170/0x170
[  260.986031]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  260.991041]  ? graph_lock+0x170/0x170
[  260.994855]  ? find_held_lock+0x36/0x1c0
[  260.998929]  ? ____cache_alloc_node+0x1c7/0x1e0
[  261.003604]  ? lock_downgrade+0x900/0x900
[  261.007763]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.013310]  cache_grow_begin+0x91/0x8c0
[  261.017374]  ? do_raw_spin_unlock+0xa7/0x2f0
[  261.021816]  fallback_alloc+0x203/0x2e0
[  261.025798]  ____cache_alloc_node+0x1c7/0x1e0
[  261.030303]  kmem_cache_alloc_node+0xe3/0x730
[  261.034801]  ? ipv6_get_ifaddr+0x42e/0x620
[  261.039045]  __alloc_skb+0x119/0x770
[  261.042761]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  261.048558]  ? skb_scrub_packet+0x490/0x490
[  261.052893]  ? lock_downgrade+0x900/0x900
[  261.057051]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.062592]  ? refcount_sub_and_test_checked+0x203/0x310
[  261.068050]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  261.073504]  ? addrconf_rs_timer+0x6f0/0x6f0
[  261.077933]  ndisc_alloc_skb+0x144/0x340
[  261.082001]  ndisc_send_rs+0x331/0x6e0
[  261.085895]  addrconf_rs_timer+0x3c0/0x6f0
[  261.090137]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.094395]  call_timer_fn+0x272/0x920
[  261.098291]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.102534]  ? process_timeout+0x40/0x40
[  261.106607]  ? find_held_lock+0x36/0x1c0
[  261.110679]  ? __run_timers+0x7da/0xc70
[  261.114661]  ? _raw_spin_unlock_irq+0x27/0x80
[  261.119155]  ? _raw_spin_unlock_irq+0x27/0x80
[  261.123659]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.127893]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  261.132481]  ? trace_hardirqs_on+0xbd/0x310
[  261.136804]  ? kasan_check_read+0x11/0x20
[  261.140977]  ? __run_timers+0x7da/0xc70
[  261.144973]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  261.150433]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.154949]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.159192]  __run_timers+0x7e5/0xc70
[  261.163006]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  261.168366]  ? compat_start_thread+0x80/0x80
[  261.172794]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.178362]  ? kasan_check_write+0x14/0x20
[  261.182608]  ? finish_task_switch+0x2f5/0x900
[  261.187102]  ? __switch_to_asm+0x40/0x70
[  261.191170]  ? preempt_notifier_register+0x200/0x200
[  261.196306]  ? __switch_to_asm+0x34/0x70
[  261.200364]  ? __switch_to_asm+0x40/0x70
[  261.204433]  ? __switch_to_asm+0x34/0x70
[  261.208505]  ? __switch_to_asm+0x40/0x70
[  261.212570]  ? __switch_to_asm+0x34/0x70
[  261.216630]  ? __switch_to_asm+0x40/0x70
[  261.220701]  ? pvclock_read_flags+0x160/0x160
[  261.225198]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.230740]  ? check_preemption_disabled+0x48/0x200
[  261.235811]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  261.241348]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  261.246629]  ? rcu_pm_notify+0xc0/0xc0
[  261.250524]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.256067]  ? check_preemption_disabled+0x48/0x200
[  261.261093]  run_timer_softirq+0x52/0xb0
[  261.265158]  ? rcu_read_lock_sched_held+0x108/0x120
[  261.270201]  __do_softirq+0x30b/0xad8
[  261.274011]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  261.279124]  ? schedule+0x108/0x460
[  261.282769]  ? __schedule+0x1ed0/0x1ed0
[  261.286761]  ? trace_hardirqs_off+0xb8/0x300
[  261.291179]  ? ___might_sleep+0x1ed/0x300
[  261.295339]  ? smpboot_thread_fn+0x68b/0xa00
[  261.299747]  ? trace_hardirqs_on+0x310/0x310
[  261.304156]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.309695]  ? check_preemption_disabled+0x48/0x200
[  261.314714]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.320267]  ? takeover_tasklets+0xa90/0xa90
[  261.324680]  run_ksoftirqd+0x94/0x100
[  261.328482]  smpboot_thread_fn+0x68b/0xa00
[  261.332721]  ? sort_range+0x30/0x30
[  261.336354]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  261.341462]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.347003]  ? __kthread_parkme+0xfb/0x1a0
[  261.351259]  kthread+0x35a/0x420
[  261.354639]  ? sort_range+0x30/0x30
[  261.358264]  ? kthread_bind+0x40/0x40
[  261.362069]  ret_from_fork+0x3a/0x50
[  261.365825] CPU: 1 PID: 10110 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
[  261.365842] warn_alloc_show_mem: 1 callbacks suppressed
[  261.365849] Mem-Info:
[  261.373128] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  261.378499] active_anon:39159 inactive_anon:1633 isolated_anon:0
[  261.378499]  active_file:15 inactive_file:16 isolated_file:0
[  261.378499]  unevictable:0 dirty:0 writeback:0 unstable:0
[  261.378499]  slab_reclaimable:8773 slab_unreclaimable:1470459
[  261.378499]  mapped:49330 shmem:1666 pagetables:630 bounce:0
[  261.378499]  free:13723 free_pcp:275 free_cma:0
[  261.380877] Call Trace:
[  261.390284] Node 0 active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197320kB dirty:0kB writeback:0kB shmem:6664kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  261.423316]  <IRQ>
[  261.425896] Node 0 
[  261.453572]  dump_stack+0x1c4/0x2b4
[  261.455723] 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
[  261.457940]  ? dump_stack_print_info.cold.2+0x52/0x52
[  261.461548] lowmem_reserve[]:
[  261.487067]  warn_alloc.cold.118+0xb7/0x1bd
[  261.492227]  0
[  261.495329]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  261.499623]  2817 6321
[  261.501449]  ? lock_downgrade+0x900/0x900
[  261.506271]  6321
[  261.508777]  ? trace_hardirqs_off+0xb8/0x300
[  261.512898] Node 0 
[  261.514970]  ? trace_hardirqs_off+0xb8/0x300
[  261.519378] DMA32 free:25172kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  261.521600]  __alloc_pages_slowpath+0x2667/0x2d80
[  261.525981] lowmem_reserve[]:
[  261.552720]  ? warn_alloc+0x120/0x120
[  261.557519]  0
[  261.560641]  ? trace_hardirqs_on+0x310/0x310
[  261.564424]  0
[  261.566224]  ? warn_alloc+0x120/0x120
[  261.570612]  3503
[  261.572430]  ? print_usage_bug+0xc0/0xc0
[  261.576200]  3503
[  261.578280]  ? warn_alloc+0x120/0x120
[  261.582319] Node 0 
[  261.584390]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  261.588188] Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5408kB pagetables:2520kB bounce:0kB free_pcp:852kB local_pcp:604kB free_cma:0kB
[  261.590401]  ? print_usage_bug+0xc0/0xc0
[  261.595408] lowmem_reserve[]:
[  261.623776]  ? __lock_acquire+0x7ec/0x4ec0
[  261.627818]  0
[  261.630923]  ? __lock_acquire+0x7ec/0x4ec0
[  261.635130]  0 0
[  261.636943]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.641152]  0
[  261.643141]  ? should_fail+0x22d/0xd01
[  261.648678] Node 0 
[  261.650484]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  261.654354] DMA: 
[  261.656598]  ? __lock_acquire+0x7ec/0x4ec0
[  261.661708] 1*4kB 
[  261.663771]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  261.667979] (U) 
[  261.670126]  ? __lock_acquire+0x7ec/0x4ec0
[  261.675210] 0*8kB 
[  261.677182]  ? should_fail+0x22d/0xd01
[  261.681411] 0*16kB 
[  261.683563]  ? print_usage_bug+0xc0/0xc0
[  261.687425] 1*32kB (U) 
[  261.689676]  ? mark_held_locks+0x130/0x130
[  261.693711] 2*64kB 
[  261.696291]  ? mark_held_locks+0x130/0x130
[  261.700506] (U) 
[  261.702747]  ? graph_lock+0x170/0x170
[  261.706965] 1*128kB (U) 
[  261.708946]  ? print_usage_bug+0xc0/0xc0
[  261.712721] 1*256kB (U) 
[  261.715407]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  261.719452] 0*512kB 
[  261.722127]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.726849] 1*1024kB (U) 
[  261.729185]  ? check_preemption_disabled+0x48/0x200
[  261.734691] 1*2048kB (M) 
[  261.737463]  ? check_preemption_disabled+0x48/0x200
[  261.742445] 3*4096kB (M) 
[  261.745216]  ? __lock_is_held+0xb5/0x140
[  261.750203] = 15908kB
[  261.752961]  __alloc_pages_nodemask+0xa80/0xde0
[  261.757006] Node 0 
[  261.759424]  ? graph_lock+0x170/0x170
[  261.764071] DMA32: 
[  261.766313]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  261.770089] 3*4kB 
[  261.772333]  ? graph_lock+0x170/0x170
[  261.777327] (UM) 
[  261.779482]  ? find_held_lock+0x36/0x1c0
[  261.783250] 1*8kB (U) 
[  261.785347]  ? ____cache_alloc_node+0x1c7/0x1e0
[  261.789375] 4*16kB (UM) 2*32kB (UM) 
[  261.791891]  ? lock_downgrade+0x900/0x900
[  261.796534] 3*64kB (UM) 
[  261.800259]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.804387] 4*128kB (UM) 
[  261.807082]  cache_grow_begin+0x91/0x8c0
[  261.812592] 3*256kB (UM) 
[  261.815357]  ? do_raw_spin_unlock+0xa7/0x2f0
[  261.819396] 4*512kB 
[  261.822156]  fallback_alloc+0x203/0x2e0
[  261.826561] (UM) 
[  261.828886]  ____cache_alloc_node+0x1c7/0x1e0
[  261.832849] 3*1024kB 
[  261.834913]  kmem_cache_alloc_node+0xe3/0x730
[  261.839384] (M) 
[  261.841817]  ? ipv6_get_ifaddr+0x42e/0x620
[  261.846298] 3*2048kB 
[  261.848275]  __alloc_skb+0x119/0x770
[  261.852482] (UM) 
[  261.854889]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  261.858572] 3*4096kB 
[  261.860637]  ? skb_scrub_packet+0x490/0x490
[  261.865885] (M) = 25172kB
[  261.868327]  ? lock_downgrade+0x900/0x900
[  261.872626] Node 0 
[  261.875390]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.879498] Normal: 979*4kB 
[  261.881746]  ? refcount_sub_and_test_checked+0x203/0x310
[  261.887257] (ME) 
[  261.890276]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  261.895707] 483*8kB 
[  261.897766]  ? addrconf_rs_timer+0x6f0/0x6f0
[  261.903190] (UME) 
[  261.905531]  ndisc_alloc_skb+0x144/0x340
[  261.909903] 201*16kB (ME) 59*32kB 
[  261.912064]  ndisc_send_rs+0x331/0x6e0
[  261.916102] (UME) 
[  261.919641]  addrconf_rs_timer+0x3c0/0x6f0
[  261.923508] 15*64kB 
[  261.925659]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.929869] (UM) 
[  261.932198]  call_timer_fn+0x272/0x920
[  261.936399] 0*128kB 
[  261.938463]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.942340] 0*256kB 0*512kB 
[  261.944674]  ? process_timeout+0x40/0x40
[  261.948888] 0*1024kB 
[  261.951919]  ? find_held_lock+0x36/0x1c0
[  261.955957] 0*2048kB 
[  261.958363]  ? __run_timers+0x7da/0xc70
[  261.962413] 0*4096kB 
[  261.964853]  ? _raw_spin_unlock_irq+0x27/0x80
[  261.968806] = 13844kB
[  261.971224]  ? _raw_spin_unlock_irq+0x27/0x80
[  261.975706] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  261.978108]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.982587] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  261.991410]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  261.995626] 1697 total pagecache pages
[  262.004197]  ? trace_hardirqs_on+0xbd/0x310
[  262.008776] 0 pages in swap cache
[  262.012663]  ? kasan_check_read+0x11/0x20
[  262.012681]  ? __run_timers+0x7da/0xc70
[  262.016986] Swap cache stats: add 0, delete 0, find 0/0
[  262.020432]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  262.024560] Free swap  = 0kB
[  262.028533]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.033871] Total swap = 0kB
[  262.039331]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.042352] 1965979 pages RAM
[  262.046617]  __run_timers+0x7e5/0xc70
[  262.049610] 0 pages HighMem/MovableOnly
[  262.049619] 342744 pages reserved
[  262.053861]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  262.056928] 0 pages cma reserved
[  262.057041] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  262.060732]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  262.060749]  ? rcu_bh_qs+0xc0/0xc0
[  262.064795] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  262.068170]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.073511] ksoftirqd/0 cpuset=
[  262.076882]  ? check_preemption_disabled+0x48/0x200
[  262.083347] /
[  262.088649]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  262.092170]  mems_allowed=0
[  262.125675]  ? retint_kernel+0x2d/0x2d
[  262.129565]  ? trace_hardirqs_on_caller+0xc0/0x300
[  262.134500]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  262.139259]  ? trace_hardirqs_off_caller+0x300/0x300
[  262.144381]  ? check_preemption_disabled+0x48/0x200
[  262.149402]  ? graph_lock+0x170/0x170
[  262.153222]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.158762]  ? check_preemption_disabled+0x48/0x200
[  262.163788]  ? __lock_is_held+0xb5/0x140
[  262.167850]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.173392]  ? check_preemption_disabled+0x48/0x200
[  262.178434]  run_timer_softirq+0x52/0xb0
[  262.182497]  ? rcu_read_lock_sched_held+0x108/0x120
[  262.187517]  __do_softirq+0x30b/0xad8
[  262.191376]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  262.196492]  ? pvclock_read_flags+0x160/0x160
[  262.200999]  ? lapic_next_event+0x5a/0x90
[  262.205164]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.210710]  ? check_preemption_disabled+0x48/0x200
[  262.215736]  ? check_preemption_disabled+0x48/0x200
[  262.220760]  ? kvm_clock_read+0x18/0x30
[  262.224740]  ? kvm_sched_clock_read+0x9/0x20
[  262.229152]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.234689]  ? check_preemption_disabled+0x48/0x200
[  262.239722]  irq_exit+0x17f/0x1c0
[  262.243193]  smp_apic_timer_interrupt+0x1cb/0x760
[  262.248034]  ? smp_reschedule_interrupt+0x109/0x650
[  262.253067]  ? smp_call_function_single_interrupt+0x650/0x650
[  262.258954]  ? interrupt_entry+0xb5/0xf0
[  262.263021]  ? trace_hardirqs_off_caller+0xbb/0x300
[  262.268038]  ? trace_hardirqs_off_caller+0xbb/0x300
[  262.273068]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  262.277915]  ? trace_hardirqs_off+0x300/0x300
[  262.282405]  ? trace_hardirqs_off+0x300/0x300
[  262.286938]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.292491]  ? check_preemption_disabled+0x48/0x200
[  262.297519]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.303060]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  262.307918]  apic_timer_interrupt+0xf/0x20
[  262.312171]  </IRQ>
[  262.314416] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  262.319353] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 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 9a 42
[  262.338256] RSP: 0018:ffff88019cfa7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  262.345964] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  262.353229] RDX: 0000000000000000 RSI: ffff88019d338900 RDI: 0000000000000282
[  262.360492] RBP: ffff88019cfa77b0 R08: ffff88019d338080 R09: 0000000000000000
[  262.367761] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  262.375031] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  262.382362]  skb_clone+0x1bb/0x500
[  262.385917]  ? finish_task_switch+0x2f5/0x900
[  262.390417]  ? skb_split+0x11e0/0x11e0
[  262.394307]  ? preempt_notifier_register+0x200/0x200
[  262.399412]  ? __switch_to_asm+0x34/0x70
[  262.403472]  ? __switch_to_asm+0x34/0x70
[  262.407546]  ? __switch_to_asm+0x40/0x70
[  262.411604]  ? __switch_to_asm+0x34/0x70
[  262.415661]  ? __switch_to_asm+0x40/0x70
[  262.419719]  ? __switch_to_asm+0x34/0x70
[  262.423775]  ? __switch_to_asm+0x40/0x70
[  262.427832]  ? __switch_to_asm+0x34/0x70
[  262.431895]  ? __switch_to_asm+0x34/0x70
[  262.435973]  ? __switch_to_asm+0x40/0x70
[  262.440034]  ? __switch_to_asm+0x34/0x70
[  262.444104]  bpf_clone_redirect+0xb9/0x490
[  262.448342]  ? __schedule+0x874/0x1ed0
[  262.452238]  bpf_prog_bebbfe2050753572+0x482/0x1000
[  262.457255]  ? __sched_text_start+0x8/0x8
[  262.461416]  ? find_held_lock+0x36/0x1c0
[  262.465485]  ? lock_acquire+0x1ed/0x520
[  262.469462]  ? bpf_test_run+0x32e/0x5a0
[  262.473439]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.479008]  ? check_preemption_disabled+0x48/0x200
[  262.484034]  ? kasan_check_read+0x11/0x20
[  262.488185]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  262.493462]  ? rcu_bh_qs+0xc0/0xc0
[  262.497003]  ? preempt_schedule+0x4d/0x60
[  262.501153]  ? ___preempt_schedule+0x16/0x18
[  262.505567]  ? bpf_test_run+0x1c0/0x5a0
[  262.509551]  ? netlink_diag_dump+0x2a0/0x2a0
[  262.513961]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  262.519498]  ? bpf_test_init.isra.9+0x70/0x100
[  262.524082]  ? bpf_prog_test_run_skb+0x634/0xb40
[  262.528843]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  262.533686]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  262.539223]  ? fput+0x130/0x1a0
[  262.542504]  ? __bpf_prog_get+0x9b/0x290
[  262.546566]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  262.551421]  ? bpf_prog_test_run+0x130/0x1a0
[  262.555845]  ? __x64_sys_bpf+0x3d8/0x510
[  262.559929]  ? bpf_prog_get+0x20/0x20
[  262.563736]  ? ksys_ioctl+0x81/0xd0
[  262.567373]  ? do_syscall_64+0x1b9/0x820
[  262.571448]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  262.576838]  ? syscall_return_slowpath+0x5e0/0x5e0
[  262.581765]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  262.586604]  ? trace_hardirqs_off+0x300/0x300
[  262.591109]  ? prepare_exit_to_usermode+0x291/0x3b0
[  262.596133]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  262.600982]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  262.606358] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
[  262.606448] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  262.613126] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  262.613131] Call Trace:
[  262.613149]  dump_stack+0x1c4/0x2b4
[  262.613164]  ? dump_stack_print_info.cold.2+0x52/0x52
[  262.613190]  warn_alloc.cold.118+0xb7/0x1bd
[  262.619752] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  262.629008]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  262.631574] syz-executor1 cpuset=
[  262.635193]  ? lock_downgrade+0x900/0x900
[  262.640355] syz1
[  262.644695]  ? trace_hardirqs_off+0xb8/0x300
[  262.655156]  mems_allowed=0
[  262.659989]  ? trace_hardirqs_off+0xb8/0x300
[  262.681220]  __alloc_pages_slowpath+0x2667/0x2d80
[  262.686085]  ? mark_held_locks+0x130/0x130
[  262.690337]  ? warn_alloc+0x120/0x120
[  262.694145]  ? warn_alloc+0x120/0x120
[  262.697949]  ? print_usage_bug+0xc0/0xc0
[  262.702009]  ? warn_alloc+0x120/0x120
[  262.705826]  ? print_usage_bug+0xc0/0xc0
[  262.709892]  ? __lock_acquire+0x7ec/0x4ec0
[  262.714125]  ? __lock_acquire+0x7ec/0x4ec0
[  262.718362]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  262.723910]  ? should_fail+0x22d/0xd01
[  262.727804]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  262.732924]  ? __lock_acquire+0x7ec/0x4ec0
[  262.737169]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  262.742271]  ? __lock_acquire+0x7ec/0x4ec0
[  262.746510]  ? should_fail+0x22d/0xd01
[  262.750418]  ? mark_held_locks+0x130/0x130
[  262.754659]  ? mark_held_locks+0x130/0x130
[  262.758894]  ? graph_lock+0x170/0x170
[  262.762696]  ? graph_lock+0x170/0x170
[  262.766506]  ? graph_lock+0x170/0x170
[  262.770311]  ? print_usage_bug+0xc0/0xc0
[  262.774373]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.779955]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.785503]  ? check_preemption_disabled+0x48/0x200
[  262.790520]  ? check_preemption_disabled+0x48/0x200
[  262.795554]  ? __lock_is_held+0xb5/0x140
[  262.799629]  __alloc_pages_nodemask+0xa80/0xde0
[  262.804300]  ? graph_lock+0x170/0x170
[  262.808104]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  262.813117]  ? graph_lock+0x170/0x170
[  262.816928]  ? find_held_lock+0x36/0x1c0
[  262.821004]  ? ____cache_alloc_node+0x1c7/0x1e0
[  262.825673]  ? lock_downgrade+0x900/0x900
[  262.829829]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.835393]  cache_grow_begin+0x91/0x8c0
[  262.839463]  ? do_raw_spin_unlock+0xa7/0x2f0
[  262.843879]  fallback_alloc+0x203/0x2e0
[  262.847863]  ____cache_alloc_node+0x1c7/0x1e0
[  262.852367]  kmem_cache_alloc_node+0xe3/0x730
[  262.856880]  ? ipv6_get_ifaddr+0x42e/0x620
[  262.861129]  __alloc_skb+0x119/0x770
[  262.864844]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  262.870139]  ? skb_scrub_packet+0x490/0x490
[  262.874463]  ? lock_downgrade+0x900/0x900
[  262.878634]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.884199]  ? refcount_sub_and_test_checked+0x203/0x310
[  262.889659]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  262.895112]  ? addrconf_rs_timer+0x6f0/0x6f0
[  262.899538]  ndisc_alloc_skb+0x144/0x340
[  262.903619]  ndisc_send_rs+0x331/0x6e0
[  262.907528]  addrconf_rs_timer+0x3c0/0x6f0
[  262.911769]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.916020]  call_timer_fn+0x272/0x920
[  262.919911]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.924152]  ? process_timeout+0x40/0x40
[  262.928214]  ? find_held_lock+0x36/0x1c0
[  262.932284]  ? __run_timers+0x7da/0xc70
[  262.936264]  ? _raw_spin_unlock_irq+0x27/0x80
[  262.940771]  ? _raw_spin_unlock_irq+0x27/0x80
[  262.945269]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.949529]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  262.954114]  ? trace_hardirqs_on+0xbd/0x310
[  262.958437]  ? kasan_check_read+0x11/0x20
[  262.962590]  ? __run_timers+0x7da/0xc70
[  262.966578]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  262.972035]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.976274]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.980523]  __run_timers+0x7e5/0xc70
[  262.984336]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  262.989718]  ? compat_start_thread+0x80/0x80
[  262.994130]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.999677]  ? kasan_check_write+0x14/0x20
[  263.003918]  ? finish_task_switch+0x2f5/0x900
[  263.008417]  ? __switch_to_asm+0x40/0x70
[  263.012483]  ? preempt_notifier_register+0x200/0x200
[  263.017585]  ? __switch_to_asm+0x34/0x70
[  263.021645]  ? __switch_to_asm+0x40/0x70
[  263.025710]  ? __switch_to_asm+0x34/0x70
[  263.029765]  ? __switch_to_asm+0x40/0x70
[  263.033821]  ? __switch_to_asm+0x34/0x70
[  263.037890]  ? __switch_to_asm+0x40/0x70
[  263.041977]  ? pvclock_read_flags+0x160/0x160
[  263.046991]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.052548]  ? check_preemption_disabled+0x48/0x200
[  263.057588]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  263.063138]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  263.068427]  ? rcu_pm_notify+0xc0/0xc0
[  263.072319]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.077872]  ? check_preemption_disabled+0x48/0x200
[  263.082923]  run_timer_softirq+0x52/0xb0
[  263.086995]  ? rcu_read_lock_sched_held+0x108/0x120
[  263.092013]  __do_softirq+0x30b/0xad8
[  263.095827]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  263.100943]  ? schedule+0x108/0x460
[  263.104576]  ? __schedule+0x1ed0/0x1ed0
[  263.109267]  ? trace_hardirqs_off+0xb8/0x300
[  263.113678]  ? ___might_sleep+0x1ed/0x300
[  263.117828]  ? smpboot_thread_fn+0x68b/0xa00
[  263.122240]  ? trace_hardirqs_on+0x310/0x310
[  263.126651]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  263.132192]  ? check_preemption_disabled+0x48/0x200
[  263.137205]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.142754]  ? takeover_tasklets+0xa90/0xa90
[  263.147171]  run_ksoftirqd+0x94/0x100
[  263.150973]  smpboot_thread_fn+0x68b/0xa00
[  263.155416]  ? sort_range+0x30/0x30
[  263.159057]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  263.164166]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  263.169708]  ? __kthread_parkme+0xfb/0x1a0
[  263.173971]  kthread+0x35a/0x420
[  263.177350]  ? sort_range+0x30/0x30
[  263.180976]  ? kthread_bind+0x40/0x40
[  263.184783]  ret_from_fork+0x3a/0x50
[  263.188519] CPU: 1 PID: 10110 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
[  263.188525] warn_alloc_show_mem: 1 callbacks suppressed
[  263.188532] Mem-Info:
[  263.195810] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  263.201181] active_anon:39159 inactive_anon:1633 isolated_anon:0
[  263.201181]  active_file:15 inactive_file:16 isolated_file:0
[  263.201181]  unevictable:0 dirty:0 writeback:0 unstable:0
[  263.201181]  slab_reclaimable:8773 slab_unreclaimable:1470459
[  263.201181]  mapped:49330 shmem:1666 pagetables:630 bounce:0
[  263.201181]  free:13723 free_pcp:275 free_cma:0
[  263.203557] Call Trace:
[  263.212965] Node 0 active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197320kB dirty:0kB writeback:0kB shmem:6664kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  263.245984]  <IRQ>
[  263.248559] Node 0 
[  263.276242]  dump_stack+0x1c4/0x2b4
[  263.278448] 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
[  263.280651]  ? dump_stack_print_info.cold.2+0x52/0x52
[  263.284268] lowmem_reserve[]:
[  263.309789]  warn_alloc.cold.118+0xb7/0x1bd
[  263.314953]  0
[  263.318055]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  263.322354]  2817
[  263.324164]  ? lock_downgrade+0x900/0x900
[  263.328986]  6321
[  263.331048]  ? trace_hardirqs_off+0xb8/0x300
[  263.335172]  6321
[  263.337233]  ? trace_hardirqs_off+0xb8/0x300
[  263.343713]  __alloc_pages_slowpath+0x2667/0x2d80
[  263.348102] Node 0 DMA32 free:25172kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  263.352971]  ? warn_alloc+0x120/0x120
[  263.352988]  ? trace_hardirqs_on+0x310/0x310
[  263.380294] lowmem_reserve[]:
[  263.384119]  ? warn_alloc+0x120/0x120
[  263.388506]  0
[  263.391614]  ? print_usage_bug+0xc0/0xc0
[  263.395386]  0 3503
[  263.397198]  ? warn_alloc+0x120/0x120
[  263.401229]  3503
[  263.403473]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  263.407259] Node 0 
[  263.409321]  ? print_usage_bug+0xc0/0xc0
[  263.414337] Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5408kB pagetables:2520kB bounce:0kB free_pcp:852kB local_pcp:604kB free_cma:0kB
[  263.416547]  ? __lock_acquire+0x7ec/0x4ec0
[  263.420581] lowmem_reserve[]: 0
[  263.448950]  ? __lock_acquire+0x7ec/0x4ec0
[  263.453160]  0
[  263.456450]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  263.460680]  0
[  263.462486]  ? should_fail+0x22d/0xd01
[  263.468001]  0
[  263.469822]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  263.475489]  ? __lock_acquire+0x7ec/0x4ec0
[  263.480567] Node 0 DMA: 
[  263.484810]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  263.484825]  ? __lock_acquire+0x7ec/0x4ec0
[  263.487476] 1*4kB 
[  263.492572]  ? should_fail+0x22d/0xd01
[  263.496781] (U) 
[  263.498928]  ? print_usage_bug+0xc0/0xc0
[  263.502793] 0*8kB 
[  263.504781]  ? mark_held_locks+0x130/0x130
[  263.508816] 0*16kB 
[  263.510964]  ? mark_held_locks+0x130/0x130
[  263.515170] 1*32kB (U) 
[  263.517423]  ? graph_lock+0x170/0x170
[  263.521639] 2*64kB 
[  263.524257]  ? print_usage_bug+0xc0/0xc0
[  263.528037] (U) 
[  263.530276]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  263.534313] 1*128kB 
[  263.536285]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.541014] (U) 
[  263.543338]  ? check_preemption_disabled+0x48/0x200
[  263.548845] 1*256kB (U) 
[  263.550850]  ? check_preemption_disabled+0x48/0x200
[  263.555844] 0*512kB 
[  263.558519]  ? __lock_is_held+0xb5/0x140
[  263.563514] 1*1024kB 
[  263.565866]  __alloc_pages_nodemask+0xa80/0xde0
[  263.569901] (U) 
[  263.572319]  ? graph_lock+0x170/0x170
[  263.576966] 1*2048kB 
[  263.578941]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  263.582719] (M) 
[  263.585120]  ? graph_lock+0x170/0x170
[  263.590123] 3*4096kB 
[  263.592097]  ? find_held_lock+0x36/0x1c0
[  263.595891] (M) 
[  263.598326]  ? ____cache_alloc_node+0x1c7/0x1e0
[  263.602354] = 15908kB
[  263.602362] Node 0 
[  263.604340]  ? lock_downgrade+0x900/0x900
[  263.609004] DMA32: 
[  263.611415]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.613635] 3*4kB 
[  263.617792]  cache_grow_begin+0x91/0x8c0
[  263.620009] (UM) 
[  263.625556]  ? do_raw_spin_unlock+0xa7/0x2f0
[  263.627681] 1*8kB 
[  263.631741]  fallback_alloc+0x203/0x2e0
[  263.633782] (U) 
[  263.638195]  ____cache_alloc_node+0x1c7/0x1e0
[  263.640323] 4*16kB 
[  263.644294]  kmem_cache_alloc_node+0xe3/0x730
[  263.646247] (UM) 
[  263.650744]  ? ipv6_get_ifaddr+0x42e/0x620
[  263.652980] 2*32kB 
[  263.657491]  __alloc_skb+0x119/0x770
[  263.659550] (UM) 
[  263.663805]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  263.666025] 3*64kB 
[  263.669735]  ? skb_scrub_packet+0x490/0x490
[  263.671777] (UM) 
[  263.677074]  ? lock_downgrade+0x900/0x900
[  263.679293] 4*128kB 
[  263.683624]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.685661] (UM) 
[  263.689804]  ? refcount_sub_and_test_checked+0x203/0x310
[  263.692102] 3*256kB 
[  263.697635]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  263.699678] (UM) 
[  263.705126]  ? addrconf_rs_timer+0x6f0/0x6f0
[  263.707435] 4*512kB 
[  263.712891]  ndisc_alloc_skb+0x144/0x340
[  263.714923] (UM) 
[  263.719331]  ndisc_send_rs+0x331/0x6e0
[  263.721634] 3*1024kB 
[  263.725691]  addrconf_rs_timer+0x3c0/0x6f0
[  263.727732] (M) 
[  263.731617]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.734012] 3*2048kB (UM) 
[  263.738275]  call_timer_fn+0x272/0x920
[  263.740229] 3*4096kB (M) 
[  263.744465]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.747283] = 25172kB
[  263.747291] Node 0 
[  263.751171]  ? process_timeout+0x40/0x40
[  263.753904] Normal: 
[  263.758137]  ? find_held_lock+0x36/0x1c0
[  263.760527] 979*4kB 
[  263.762765]  ? __run_timers+0x7da/0xc70
[  263.766797] (ME) 
[  263.769130]  ? _raw_spin_unlock_irq+0x27/0x80
[  263.773167] 483*8kB 
[  263.775496]  ? _raw_spin_unlock_irq+0x27/0x80
[  263.779446] (UME) 
[  263.781513]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.785983] 201*16kB 
[  263.788314]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  263.792787] (ME) 
[  263.794936]  ? trace_hardirqs_on+0xbd/0x310
[  263.799145] 59*32kB (UME) 
[  263.801588]  ? kasan_check_read+0x11/0x20
[  263.806142] 15*64kB (UM) 
[  263.808210]  ? __run_timers+0x7da/0xc70
[  263.812516] 0*128kB 
[  263.815402]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  263.819525] 0*256kB 
[  263.822278]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.826224] 0*512kB 
[  263.828540]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.833976] 0*1024kB 
[  263.836296]  __run_timers+0x7e5/0xc70
[  263.840504] 0*2048kB 0*4096kB 
[  263.842847]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  263.847051] = 13844kB
[  263.849463]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  263.853242] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  263.856426]  ? rcu_bh_qs+0xc0/0xc0
[  263.861776] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  263.864181]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.869438] 1697 total pagecache pages
[  263.878283]  ? check_preemption_disabled+0x48/0x200
[  263.881818] 0 pages in swap cache
[  263.890400]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  263.895903] Swap cache stats: add 0, delete 0, find 0/0
[  263.899788]  ? retint_kernel+0x2d/0x2d
[  263.904798] Free swap  = 0kB
[  263.908263]  ? trace_hardirqs_on_caller+0xc0/0x300
[  263.912993] Total swap = 0kB
[  263.918362]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  263.922236] 1965979 pages RAM
[  263.925247]  ? trace_hardirqs_off_caller+0x300/0x300
[  263.930145] 0 pages HighMem/MovableOnly
[  263.930154] 342744 pages reserved
[  263.933171]  ? check_preemption_disabled+0x48/0x200
[  263.937900] 0 pages cma reserved
[  263.941005]  ? graph_lock+0x170/0x170
[  263.946188] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  263.950073]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.950089]  ? check_preemption_disabled+0x48/0x200
[  263.950112]  ? __lock_is_held+0xb5/0x140
[  263.953601] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  263.958554]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.961946] ksoftirqd/0 cpuset=
[  263.965762]  ? check_preemption_disabled+0x48/0x200
[  263.972231] /
[  263.977774]  run_timer_softirq+0x52/0xb0
[  263.982765]  mems_allowed=0
[  263.986823]  ? rcu_read_lock_sched_held+0x108/0x120
[  264.024615]  __do_softirq+0x30b/0xad8
[  264.028434]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  264.033552]  ? pvclock_read_flags+0x160/0x160
[  264.038048]  ? lapic_next_event+0x5a/0x90
[  264.042202]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.047756]  ? check_preemption_disabled+0x48/0x200
[  264.052777]  ? check_preemption_disabled+0x48/0x200
[  264.057803]  ? kvm_clock_read+0x18/0x30
[  264.061779]  ? kvm_sched_clock_read+0x9/0x20
[  264.066200]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.071744]  ? check_preemption_disabled+0x48/0x200
[  264.076783]  irq_exit+0x17f/0x1c0
[  264.080245]  smp_apic_timer_interrupt+0x1cb/0x760
[  264.085105]  ? smp_reschedule_interrupt+0x109/0x650
[  264.090126]  ? smp_call_function_single_interrupt+0x650/0x650
[  264.096014]  ? interrupt_entry+0xb5/0xf0
[  264.100095]  ? trace_hardirqs_off_caller+0xbb/0x300
[  264.105124]  ? trace_hardirqs_off_caller+0xbb/0x300
[  264.110145]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  264.114996]  ? trace_hardirqs_off+0x300/0x300
[  264.119501]  ? trace_hardirqs_off+0x300/0x300
[  264.124027]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.129574]  ? check_preemption_disabled+0x48/0x200
[  264.134595]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.140150]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  264.145017]  apic_timer_interrupt+0xf/0x20
[  264.149280]  </IRQ>
[  264.151554] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  264.156505] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 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 9a 42
[  264.175418] RSP: 0018:ffff88019cfa7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  264.183129] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  264.190408] RDX: 0000000000000000 RSI: ffff88019d338900 RDI: 0000000000000282
[  264.197676] RBP: ffff88019cfa77b0 R08: ffff88019d338080 R09: 0000000000000000
[  264.204945] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  264.212218] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  264.219531]  skb_clone+0x1bb/0x500
[  264.223082]  ? finish_task_switch+0x2f5/0x900
[  264.227585]  ? skb_split+0x11e0/0x11e0
[  264.231481]  ? preempt_notifier_register+0x200/0x200
[  264.236589]  ? __switch_to_asm+0x34/0x70
[  264.240651]  ? __switch_to_asm+0x34/0x70
[  264.244717]  ? __switch_to_asm+0x40/0x70
[  264.248779]  ? __switch_to_asm+0x34/0x70
[  264.252850]  ? __switch_to_asm+0x40/0x70
[  264.256915]  ? __switch_to_asm+0x34/0x70
[  264.260985]  ? __switch_to_asm+0x40/0x70
[  264.265052]  ? __switch_to_asm+0x34/0x70
[  264.269119]  ? __switch_to_asm+0x34/0x70
[  264.273183]  ? __switch_to_asm+0x40/0x70
[  264.277244]  ? __switch_to_asm+0x34/0x70
[  264.281317]  bpf_clone_redirect+0xb9/0x490
[  264.285559]  ? __schedule+0x874/0x1ed0
[  264.289456]  bpf_prog_bebbfe2050753572+0x482/0x1000
[  264.294489]  ? __sched_text_start+0x8/0x8
[  264.298654]  ? find_held_lock+0x36/0x1c0
[  264.302730]  ? lock_acquire+0x1ed/0x520
[  264.306710]  ? bpf_test_run+0x32e/0x5a0
[  264.310690]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.316234]  ? check_preemption_disabled+0x48/0x200
[  264.321268]  ? kasan_check_read+0x11/0x20
[  264.325429]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  264.330712]  ? rcu_bh_qs+0xc0/0xc0
[  264.334270]  ? preempt_schedule+0x4d/0x60
[  264.338445]  ? ___preempt_schedule+0x16/0x18
[  264.342865]  ? bpf_test_run+0x1c0/0x5a0
[  264.346855]  ? netlink_diag_dump+0x2a0/0x2a0
[  264.351272]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  264.356811]  ? bpf_test_init.isra.9+0x70/0x100
[  264.361402]  ? bpf_prog_test_run_skb+0x634/0xb40
[  264.366169]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  264.371012]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  264.376555]  ? fput+0x130/0x1a0
[  264.379861]  ? __bpf_prog_get+0x9b/0x290
[  264.383939]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  264.388785]  ? bpf_prog_test_run+0x130/0x1a0
[  264.393201]  ? __x64_sys_bpf+0x3d8/0x510
[  264.397283]  ? bpf_prog_get+0x20/0x20
[  264.401109]  ? ksys_ioctl+0x81/0xd0
[  264.404753]  ? do_syscall_64+0x1b9/0x820
[  264.408822]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  264.414193]  ? syscall_return_slowpath+0x5e0/0x5e0
[  264.419126]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  264.423987]  ? trace_hardirqs_off+0x300/0x300
[  264.428495]  ? prepare_exit_to_usermode+0x291/0x3b0
[  264.433522]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  264.438381]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  264.443771] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
[  264.443863] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  264.450536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  264.450542] Call Trace:
[  264.450561]  dump_stack+0x1c4/0x2b4
[  264.450578]  ? dump_stack_print_info.cold.2+0x52/0x52
[  264.450607]  warn_alloc.cold.118+0xb7/0x1bd
[  264.457191] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  264.466442]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  264.469006] syz-executor1 cpuset=
[  264.472631]  ? lock_downgrade+0x900/0x900
[  264.477800] syz1
[  264.482164]  ? trace_hardirqs_off+0xb8/0x300
[  264.492628]  mems_allowed=0
[  264.497469]  ? trace_hardirqs_off+0xb8/0x300
[  264.518743]  __alloc_pages_slowpath+0x2667/0x2d80
[  264.523621]  ? mark_held_locks+0x130/0x130
[  264.527865]  ? warn_alloc+0x120/0x120
[  264.531673]  ? warn_alloc+0x120/0x120
[  264.535482]  ? print_usage_bug+0xc0/0xc0
[  264.539548]  ? warn_alloc+0x120/0x120
[  264.543353]  ? print_usage_bug+0xc0/0xc0
[  264.547436]  ? __lock_acquire+0x7ec/0x4ec0
[  264.551673]  ? __lock_acquire+0x7ec/0x4ec0
[  264.555915]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  264.561457]  ? should_fail+0x22d/0xd01
[  264.565356]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  264.570475]  ? __lock_acquire+0x7ec/0x4ec0
[  264.574720]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  264.579825]  ? __lock_acquire+0x7ec/0x4ec0
[  264.584063]  ? should_fail+0x22d/0xd01
[  264.587964]  ? mark_held_locks+0x130/0x130
[  264.592205]  ? mark_held_locks+0x130/0x130
[  264.596448]  ? graph_lock+0x170/0x170
[  264.600278]  ? graph_lock+0x170/0x170
[  264.604086]  ? graph_lock+0x170/0x170
[  264.607925]  ? print_usage_bug+0xc0/0xc0
[  264.611991]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.617558]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.623107]  ? check_preemption_disabled+0x48/0x200
[  264.628128]  ? check_preemption_disabled+0x48/0x200
[  264.633158]  ? __lock_is_held+0xb5/0x140
[  264.637236]  __alloc_pages_nodemask+0xa80/0xde0
[  264.641913]  ? graph_lock+0x170/0x170
[  264.645738]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  264.650755]  ? graph_lock+0x170/0x170
[  264.654583]  ? find_held_lock+0x36/0x1c0
[  264.658659]  ? ____cache_alloc_node+0x1c7/0x1e0
[  264.663331]  ? lock_downgrade+0x900/0x900
[  264.667493]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.673048]  cache_grow_begin+0x91/0x8c0
[  264.677116]  ? do_raw_spin_unlock+0xa7/0x2f0
[  264.681540]  fallback_alloc+0x203/0x2e0
[  264.685547]  ____cache_alloc_node+0x1c7/0x1e0
[  264.690054]  kmem_cache_alloc_node+0xe3/0x730
[  264.694554]  ? ipv6_get_ifaddr+0x42e/0x620
[  264.698844]  __alloc_skb+0x119/0x770
[  264.702581]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  264.707883]  ? skb_scrub_packet+0x490/0x490
[  264.712209]  ? lock_downgrade+0x900/0x900
[  264.716385]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.721935]  ? refcount_sub_and_test_checked+0x203/0x310
[  264.727411]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  264.732866]  ? addrconf_rs_timer+0x6f0/0x6f0
[  264.737295]  ndisc_alloc_skb+0x144/0x340
[  264.741364]  ndisc_send_rs+0x331/0x6e0
[  264.745274]  addrconf_rs_timer+0x3c0/0x6f0
[  264.749520]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  264.753786]  call_timer_fn+0x272/0x920
[  264.757679]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  264.761922]  ? process_timeout+0x40/0x40
[  264.765985]  ? find_held_lock+0x36/0x1c0
[  264.770054]  ? __run_timers+0x7da/0xc70
[  264.774036]  ? _raw_spin_unlock_irq+0x27/0x80
[  264.778534]  ? _raw_spin_unlock_irq+0x27/0x80
[  264.783030]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  264.787266]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  264.791857]  ? trace_hardirqs_on+0xbd/0x310
[  264.796181]  ? kasan_check_read+0x11/0x20
[  264.800331]  ? __run_timers+0x7da/0xc70
[  264.804309]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  264.809766]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  264.814021]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  264.818261]  __run_timers+0x7e5/0xc70
[  264.822079]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  264.827444]  ? compat_start_thread+0x80/0x80
[  264.831861]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.837430]  ? kasan_check_write+0x14/0x20
[  264.841672]  ? finish_task_switch+0x2f5/0x900
[  264.846167]  ? __switch_to_asm+0x40/0x70
[  264.850237]  ? preempt_notifier_register+0x200/0x200
[  264.855353]  ? __switch_to_asm+0x34/0x70
[  264.859426]  ? __switch_to_asm+0x40/0x70
[  264.863488]  ? __switch_to_asm+0x34/0x70
[  264.867555]  ? __switch_to_asm+0x40/0x70
[  264.871615]  ? __switch_to_asm+0x34/0x70
[  264.875677]  ? __switch_to_asm+0x40/0x70
[  264.879784]  ? pvclock_read_flags+0x160/0x160
[  264.884302]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.889848]  ? check_preemption_disabled+0x48/0x200
[  264.894882]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  264.900437]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  264.905724]  ? rcu_pm_notify+0xc0/0xc0
[  264.909620]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.915162]  ? check_preemption_disabled+0x48/0x200
[  264.920191]  run_timer_softirq+0x52/0xb0
[  264.924259]  ? rcu_read_lock_sched_held+0x108/0x120
[  264.929277]  __do_softirq+0x30b/0xad8
[  264.933115]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  264.938231]  ? schedule+0x108/0x460
[  264.941866]  ? __schedule+0x1ed0/0x1ed0
[  264.945849]  ? trace_hardirqs_off+0xb8/0x300
[  264.950289]  ? ___might_sleep+0x1ed/0x300
[  264.954443]  ? smpboot_thread_fn+0x68b/0xa00
[  264.958855]  ? trace_hardirqs_on+0x310/0x310
[  264.963272]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  264.968817]  ? check_preemption_disabled+0x48/0x200
[  264.973844]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.979416]  ? takeover_tasklets+0xa90/0xa90
[  264.983835]  run_ksoftirqd+0x94/0x100
[  264.987641]  smpboot_thread_fn+0x68b/0xa00
[  264.991886]  ? sort_range+0x30/0x30
[  264.995524]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  265.000635]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.006191]  ? __kthread_parkme+0xfb/0x1a0
[  265.010442]  kthread+0x35a/0x420
[  265.013813]  ? sort_range+0x30/0x30
[  265.017442]  ? kthread_bind+0x40/0x40
[  265.021248]  ret_from_fork+0x3a/0x50
[  265.024990] CPU: 1 PID: 10110 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
[  265.024997] warn_alloc_show_mem: 1 callbacks suppressed
[  265.025005] Mem-Info:
[  265.032294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  265.032303] Call Trace:
[  265.037682] active_anon:39159 inactive_anon:1633 isolated_anon:0
[  265.037682]  active_file:15 inactive_file:16 isolated_file:0
[  265.037682]  unevictable:0 dirty:0 writeback:0 unstable:0
[  265.037682]  slab_reclaimable:8773 slab_unreclaimable:1470459
[  265.037682]  mapped:49330 shmem:1666 pagetables:630 bounce:0
[  265.037682]  free:13723 free_pcp:275 free_cma:0
[  265.040085]  <IRQ>
[  265.049938] Node 0 active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197320kB dirty:0kB writeback:0kB shmem:6664kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  265.052528]  dump_stack+0x1c4/0x2b4
[  265.085568] Node 0 
[  265.087722]  ? dump_stack_print_info.cold.2+0x52/0x52
[  265.116160] 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
[  265.119777]  warn_alloc.cold.118+0xb7/0x1bd
[  265.121974] lowmem_reserve[]: 0
[  265.127173]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  265.152840]  2817 6321
[  265.157176]  ? lock_downgrade+0x900/0x900
[  265.160431]  6321
[  265.165288]  ? trace_hardirqs_off+0xb8/0x300
[  265.167762] Node 0 
[  265.171919]  ? trace_hardirqs_off+0xb8/0x300
[  265.173981] DMA32 free:25172kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  265.178369]  __alloc_pages_slowpath+0x2667/0x2d80
[  265.180575] lowmem_reserve[]: 0
[  265.185019]  ? warn_alloc+0x120/0x120
[  265.211693]  0
[  265.216625]  ? trace_hardirqs_on+0x310/0x310
[  265.219878]  3503 3503
[  265.223689]  ? warn_alloc+0x120/0x120
[  265.229880]  ? print_usage_bug+0xc0/0xc0
[  265.232354] Node 0 
[  265.236165]  ? warn_alloc+0x120/0x120
[  265.240236] Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5408kB pagetables:2520kB bounce:0kB free_pcp:852kB local_pcp:604kB free_cma:0kB
[  265.242455]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  265.246232] lowmem_reserve[]:
[  265.274600]  ? print_usage_bug+0xc0/0xc0
[  265.279594]  0
[  265.282699]  ? __lock_acquire+0x7ec/0x4ec0
[  265.286734]  0 0
[  265.288546]  ? __lock_acquire+0x7ec/0x4ec0
[  265.292758]  0
[  265.294736]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.300779]  ? should_fail+0x22d/0xd01
[  265.306296] Node 0 DMA: 
[  265.310215]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  265.310244]  ? __lock_acquire+0x7ec/0x4ec0
[  265.312901] 1*4kB 
[  265.318007]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  265.322233] (U) 
[  265.324393]  ? __lock_acquire+0x7ec/0x4ec0
[  265.329472] 0*8kB 
[  265.331450]  ? should_fail+0x22d/0xd01
[  265.335656] 0*16kB 1*32kB 
[  265.337819]  ? print_usage_bug+0xc0/0xc0
[  265.341695] (U) 
[  265.344543]  ? mark_held_locks+0x130/0x130
[  265.348581] 2*64kB 
[  265.350555]  ? mark_held_locks+0x130/0x130
[  265.354767] (U) 
[  265.357011]  ? graph_lock+0x170/0x170
[  265.361231] 1*128kB 
[  265.363228]  ? print_usage_bug+0xc0/0xc0
[  265.367007] (U) 
[  265.369351]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  265.373383] 1*256kB (U) 
[  265.375370]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.380102] 0*512kB 1*1024kB 
[  265.382792]  ? check_preemption_disabled+0x48/0x200
[  265.388305] (U) 
[  265.391414]  ? check_preemption_disabled+0x48/0x200
[  265.396415] 1*2048kB 
[  265.398406]  ? __lock_is_held+0xb5/0x140
[  265.403391] (M) 3*4096kB 
[  265.405818]  __alloc_pages_nodemask+0xa80/0xde0
[  265.409859] (M) = 15908kB
[  265.412629]  ? graph_lock+0x170/0x170
[  265.417281] Node 0 
[  265.420041]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  265.423815] DMA32: 3*4kB 
[  265.426061]  ? graph_lock+0x170/0x170
[  265.431058] (UM) 
[  265.433825]  ? find_held_lock+0x36/0x1c0
[  265.437598] 1*8kB 
[  265.439672]  ? ____cache_alloc_node+0x1c7/0x1e0
[  265.443704] (U) 
[  265.445852]  ? lock_downgrade+0x900/0x900
[  265.450494] 4*16kB (UM) 
[  265.452487]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.456604] 2*32kB (UM) 
[  265.459286]  cache_grow_begin+0x91/0x8c0
[  265.464794] 3*64kB (UM) 
[  265.467477]  ? do_raw_spin_unlock+0xa7/0x2f0
[  265.471510] 4*128kB (UM) 
[  265.474212]  fallback_alloc+0x203/0x2e0
[  265.478595] 3*256kB (UM) 
[  265.481369]  ____cache_alloc_node+0x1c7/0x1e0
[  265.485315] 4*512kB (UM) 
[  265.488086]  kmem_cache_alloc_node+0xe3/0x730
[  265.492561] 3*1024kB 
[  265.495318]  ? ipv6_get_ifaddr+0x42e/0x620
[  265.499789] (M) 
[  265.502211]  __alloc_skb+0x119/0x770
[  265.506424] 3*2048kB 
[  265.508407]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  265.512101] (UM) 
[  265.514523]  ? skb_scrub_packet+0x490/0x490
[  265.519783] 3*4096kB 
[  265.521842]  ? lock_downgrade+0x900/0x900
[  265.526141] (M) 
[  265.528556]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.532678] = 25172kB
[  265.534661]  ? refcount_sub_and_test_checked+0x203/0x310
[  265.540184] Node 0 
[  265.542600]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  265.548030] Normal: 
[  265.550266]  ? addrconf_rs_timer+0x6f0/0x6f0
[  265.555707] 979*4kB 
[  265.558041]  ndisc_alloc_skb+0x144/0x340
[  265.562429] (ME) 
[  265.564762]  ndisc_send_rs+0x331/0x6e0
[  265.568795] 483*8kB (UME) 
[  265.571411]  addrconf_rs_timer+0x3c0/0x6f0
[  265.575278] 201*16kB (ME) 59*32kB (UME) 15*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13844kB
[  265.575476] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  265.575486] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  265.575491] 1697 total pagecache pages
[  265.575509] 0 pages in swap cache
[  265.578830]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.583050] Swap cache stats: add 0, delete 0, find 0/0
[  265.593455]  call_timer_fn+0x272/0x920
[  265.602261] Free swap  = 0kB
[  265.610836]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.614703] Total swap = 0kB
[  265.618157]  ? process_timeout+0x40/0x40
[  265.622375] 1965979 pages RAM
[  265.627742]  ? find_held_lock+0x36/0x1c0
[  265.631607] 0 pages HighMem/MovableOnly
[  265.634633]  ? __run_timers+0x7da/0xc70
[  265.638857] 342744 pages reserved
[  265.638866] 0 pages cma reserved
[  265.641888]  ? _raw_spin_unlock_irq+0x27/0x80
[  265.646020] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  265.649028]  ? _raw_spin_unlock_irq+0x27/0x80
[  265.649042]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.649056]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  265.649074]  ? trace_hardirqs_on+0xbd/0x310
[  265.653185] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  265.657090]  ? kasan_check_read+0x11/0x20
[  265.661053] ksoftirqd/0 cpuset=
[  265.664510]  ? __run_timers+0x7da/0xc70
[  265.667861] /
[  265.672358]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  265.678840]  mems_allowed=0
[  265.683332]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.732403]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.736651]  __run_timers+0x7e5/0xc70
[  265.740512]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  265.745882]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  265.751167]  ? rcu_bh_qs+0xc0/0xc0
[  265.754731]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.760277]  ? check_preemption_disabled+0x48/0x200
[  265.765307]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  265.770082]  ? retint_kernel+0x2d/0x2d
[  265.773975]  ? trace_hardirqs_on_caller+0xc0/0x300
[  265.778918]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  265.783678]  ? trace_hardirqs_off_caller+0x300/0x300
[  265.788790]  ? check_preemption_disabled+0x48/0x200
[  265.793814]  ? graph_lock+0x170/0x170
[  265.797624]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.803169]  ? check_preemption_disabled+0x48/0x200
[  265.808204]  ? __lock_is_held+0xb5/0x140
[  265.812271]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.817814]  ? check_preemption_disabled+0x48/0x200
[  265.822846]  run_timer_softirq+0x52/0xb0
[  265.826916]  ? rcu_read_lock_sched_held+0x108/0x120
[  265.831941]  __do_softirq+0x30b/0xad8
[  265.835759]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  265.840872]  ? pvclock_read_flags+0x160/0x160
[  265.845402]  ? lapic_next_event+0x5a/0x90
[  265.849555]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.855097]  ? check_preemption_disabled+0x48/0x200
[  265.860120]  ? check_preemption_disabled+0x48/0x200
[  265.865151]  ? kvm_clock_read+0x18/0x30
[  265.869137]  ? kvm_sched_clock_read+0x9/0x20
[  265.873582]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.879125]  ? check_preemption_disabled+0x48/0x200
[  265.884161]  irq_exit+0x17f/0x1c0
[  265.887624]  smp_apic_timer_interrupt+0x1cb/0x760
[  265.892596]  ? smp_reschedule_interrupt+0x109/0x650
[  265.897847]  ? smp_call_function_single_interrupt+0x650/0x650
[  265.904264]  ? interrupt_entry+0xb5/0xf0
[  265.908813]  ? trace_hardirqs_off_caller+0xbb/0x300
[  265.913834]  ? trace_hardirqs_off_caller+0xbb/0x300
[  265.918854]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  265.923709]  ? trace_hardirqs_off+0x300/0x300
[  265.928209]  ? trace_hardirqs_off+0x300/0x300
[  265.932726]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.938270]  ? check_preemption_disabled+0x48/0x200
[  265.943288]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.948845]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  265.953774]  apic_timer_interrupt+0xf/0x20
[  265.958010]  </IRQ>
[  265.960266] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  265.965218] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 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 9a 42
[  265.984128] RSP: 0018:ffff88019cfa7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  265.991839] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  265.999107] RDX: 0000000000000000 RSI: ffff88019d338900 RDI: 0000000000000282
[  266.006382] RBP: ffff88019cfa77b0 R08: ffff88019d338080 R09: 0000000000000000
[  266.013651] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  266.020929] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  266.028241]  skb_clone+0x1bb/0x500
[  266.031790]  ? finish_task_switch+0x2f5/0x900
[  266.036289]  ? skb_split+0x11e0/0x11e0
[  266.040189]  ? preempt_notifier_register+0x200/0x200
[  266.045317]  ? __switch_to_asm+0x34/0x70
[  266.049409]  ? __switch_to_asm+0x34/0x70
[  266.053475]  ? __switch_to_asm+0x40/0x70
[  266.057549]  ? __switch_to_asm+0x34/0x70
[  266.061623]  ? __switch_to_asm+0x40/0x70
[  266.065684]  ? __switch_to_asm+0x34/0x70
[  266.069747]  ? __switch_to_asm+0x40/0x70
[  266.073817]  ? __switch_to_asm+0x34/0x70
[  266.077881]  ? __switch_to_asm+0x34/0x70
[  266.081960]  ? __switch_to_asm+0x40/0x70
[  266.086020]  ? __switch_to_asm+0x34/0x70
[  266.090093]  bpf_clone_redirect+0xb9/0x490
[  266.094336]  ? __schedule+0x874/0x1ed0
[  266.098233]  bpf_prog_bebbfe2050753572+0x482/0x1000
[  266.103255]  ? __sched_text_start+0x8/0x8
[  266.107423]  ? find_held_lock+0x36/0x1c0
[  266.111495]  ? lock_acquire+0x1ed/0x520
[  266.115469]  ? bpf_test_run+0x32e/0x5a0
[  266.119450]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.124994]  ? check_preemption_disabled+0x48/0x200
[  266.130021]  ? kasan_check_read+0x11/0x20
[  266.134175]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  266.139462]  ? rcu_bh_qs+0xc0/0xc0
[  266.143010]  ? preempt_schedule+0x4d/0x60
[  266.147171]  ? ___preempt_schedule+0x16/0x18
[  266.151779]  ? bpf_test_run+0x1c0/0x5a0
[  266.155770]  ? netlink_diag_dump+0x2a0/0x2a0
[  266.160184]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  266.166081]  ? bpf_test_init.isra.9+0x70/0x100
[  266.170672]  ? bpf_prog_test_run_skb+0x634/0xb40
[  266.175653]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  266.180659]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  266.186602]  ? fput+0x130/0x1a0
[  266.189890]  ? __bpf_prog_get+0x9b/0x290
[  266.193961]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  266.198805]  ? bpf_prog_test_run+0x130/0x1a0
[  266.203229]  ? __x64_sys_bpf+0x3d8/0x510
[  266.207295]  ? bpf_prog_get+0x20/0x20
[  266.211112]  ? ksys_ioctl+0x81/0xd0
[  266.214762]  ? do_syscall_64+0x1b9/0x820
[  266.218852]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  266.224221]  ? syscall_return_slowpath+0x5e0/0x5e0
[  266.229156]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  266.234002]  ? trace_hardirqs_off+0x300/0x300
[  266.238505]  ? prepare_exit_to_usermode+0x291/0x3b0
[  266.243560]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  266.248439]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  266.253827] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
[  266.253954] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  266.260590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  266.260596] Call Trace:
[  266.260615]  dump_stack+0x1c4/0x2b4
[  266.260632]  ? dump_stack_print_info.cold.2+0x52/0x52
[  266.260660]  warn_alloc.cold.118+0xb7/0x1bd
[  266.267253] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  266.276487]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  266.279061] syz-executor1 cpuset=
[  266.282683]  ? lock_downgrade+0x900/0x900
[  266.287851] syz1
[  266.292179]  ? trace_hardirqs_off+0xb8/0x300
[  266.302645]  mems_allowed=0
[  266.307488]  ? trace_hardirqs_off+0xb8/0x300
[  266.328763]  __alloc_pages_slowpath+0x2667/0x2d80
[  266.333640]  ? mark_held_locks+0x130/0x130
[  266.337887]  ? warn_alloc+0x120/0x120
[  266.341697]  ? warn_alloc+0x120/0x120
[  266.345502]  ? print_usage_bug+0xc0/0xc0
[  266.349567]  ? warn_alloc+0x120/0x120
[  266.353370]  ? print_usage_bug+0xc0/0xc0
[  266.357450]  ? __lock_acquire+0x7ec/0x4ec0
[  266.361695]  ? __lock_acquire+0x7ec/0x4ec0
[  266.365939]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  266.371486]  ? should_fail+0x22d/0xd01
[  266.375386]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  266.380508]  ? __lock_acquire+0x7ec/0x4ec0
[  266.384752]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  266.389883]  ? __lock_acquire+0x7ec/0x4ec0
[  266.394127]  ? should_fail+0x22d/0xd01
[  266.398030]  ? mark_held_locks+0x130/0x130
[  266.402272]  ? mark_held_locks+0x130/0x130
[  266.406513]  ? graph_lock+0x170/0x170
[  266.410321]  ? graph_lock+0x170/0x170
[  266.414128]  ? graph_lock+0x170/0x170
[  266.417957]  ? print_usage_bug+0xc0/0xc0
[  266.422060]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.427612]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.433165]  ? check_preemption_disabled+0x48/0x200
[  266.438207]  ? check_preemption_disabled+0x48/0x200
[  266.443243]  ? __lock_is_held+0xb5/0x140
[  266.447314]  __alloc_pages_nodemask+0xa80/0xde0
[  266.451985]  ? graph_lock+0x170/0x170
[  266.455810]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  266.460836]  ? graph_lock+0x170/0x170
[  266.464649]  ? find_held_lock+0x36/0x1c0
[  266.468722]  ? ____cache_alloc_node+0x1c7/0x1e0
[  266.473410]  ? lock_downgrade+0x900/0x900
[  266.477575]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.483121]  cache_grow_begin+0x91/0x8c0
[  266.487189]  ? do_raw_spin_unlock+0xa7/0x2f0
[  266.491609]  fallback_alloc+0x203/0x2e0
[  266.495612]  ____cache_alloc_node+0x1c7/0x1e0
[  266.500115]  kmem_cache_alloc_node+0xe3/0x730
[  266.504614]  ? ipv6_get_ifaddr+0x42e/0x620
[  266.508870]  __alloc_skb+0x119/0x770
[  266.512593]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  266.517887]  ? skb_scrub_packet+0x490/0x490
[  266.522207]  ? lock_downgrade+0x900/0x900
[  266.526361]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.531928]  ? refcount_sub_and_test_checked+0x203/0x310
[  266.537413]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  266.542872]  ? addrconf_rs_timer+0x6f0/0x6f0
[  266.547324]  ndisc_alloc_skb+0x144/0x340
[  266.551401]  ndisc_send_rs+0x331/0x6e0
[  266.555318]  addrconf_rs_timer+0x3c0/0x6f0
[  266.559562]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.563814]  call_timer_fn+0x272/0x920
[  266.567743]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.571985]  ? process_timeout+0x40/0x40
[  266.576051]  ? find_held_lock+0x36/0x1c0
[  266.580147]  ? __run_timers+0x7da/0xc70
[  266.584133]  ? _raw_spin_unlock_irq+0x27/0x80
[  266.588627]  ? _raw_spin_unlock_irq+0x27/0x80
[  266.593123]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.597360]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  266.601952]  ? trace_hardirqs_on+0xbd/0x310
[  266.606275]  ? kasan_check_read+0x11/0x20
[  266.610452]  ? __run_timers+0x7da/0xc70
[  266.614441]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  266.619918]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.624163]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.628417]  __run_timers+0x7e5/0xc70
[  266.632238]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  266.637605]  ? compat_start_thread+0x80/0x80
[  266.642022]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.647574]  ? kasan_check_write+0x14/0x20
[  266.651841]  ? finish_task_switch+0x2f5/0x900
[  266.656361]  ? __switch_to_asm+0x40/0x70
[  266.660468]  ? preempt_notifier_register+0x200/0x200
[  266.665577]  ? __switch_to_asm+0x34/0x70
[  266.669638]  ? __switch_to_asm+0x40/0x70
[  266.673702]  ? __switch_to_asm+0x34/0x70
[  266.677766]  ? __switch_to_asm+0x40/0x70
[  266.681827]  ? __switch_to_asm+0x34/0x70
[  266.685893]  ? __switch_to_asm+0x40/0x70
[  266.689988]  ? pvclock_read_flags+0x160/0x160
[  266.694498]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.700040]  ? check_preemption_disabled+0x48/0x200
[  266.705096]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  266.710633]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  266.715929]  ? rcu_pm_notify+0xc0/0xc0
[  266.719823]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.725362]  ? check_preemption_disabled+0x48/0x200
[  266.730420]  run_timer_softirq+0x52/0xb0
[  266.734483]  ? rcu_read_lock_sched_held+0x108/0x120
[  266.739502]  __do_softirq+0x30b/0xad8
[  266.743316]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  266.748449]  ? schedule+0x108/0x460
[  266.752109]  ? __schedule+0x1ed0/0x1ed0
[  266.756089]  ? trace_hardirqs_off+0xb8/0x300
[  266.760502]  ? ___might_sleep+0x1ed/0x300
[  266.764669]  ? smpboot_thread_fn+0x68b/0xa00
[  266.769081]  ? trace_hardirqs_on+0x310/0x310
[  266.773496]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  266.779038]  ? check_preemption_disabled+0x48/0x200
[  266.784055]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.789606]  ? takeover_tasklets+0xa90/0xa90
[  266.794025]  run_ksoftirqd+0x94/0x100
[  266.797857]  smpboot_thread_fn+0x68b/0xa00
[  266.802100]  ? sort_range+0x30/0x30
[  266.805729]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  266.810833]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  266.816370]  ? __kthread_parkme+0xfb/0x1a0
[  266.820640]  kthread+0x35a/0x420
[  266.824009]  ? sort_range+0x30/0x30
[  266.827640]  ? kthread_bind+0x40/0x40
[  266.831460]  ret_from_fork+0x3a/0x50
[  266.835197] CPU: 1 PID: 10110 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
[  266.835203] warn_alloc_show_mem: 1 callbacks suppressed
[  266.835211] Mem-Info:
[  266.842500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  266.847879] active_anon:39159 inactive_anon:1633 isolated_anon:0
[  266.847879]  active_file:15 inactive_file:16 isolated_file:0
[  266.847879]  unevictable:0 dirty:0 writeback:0 unstable:0
[  266.847879]  slab_reclaimable:8773 slab_unreclaimable:1470459
[  266.847879]  mapped:49330 shmem:1666 pagetables:630 bounce:0
[  266.847879]  free:13723 free_pcp:275 free_cma:0
[  266.850257] Call Trace:
[  266.859664] Node 0 active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197320kB dirty:0kB writeback:0kB shmem:6664kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  266.892789]  <IRQ>
[  266.895362] Node 0 
[  266.923031]  dump_stack+0x1c4/0x2b4
[  266.925189] 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
[  266.927402]  ? dump_stack_print_info.cold.2+0x52/0x52
[  266.931049] lowmem_reserve[]:
[  266.956577]  warn_alloc.cold.118+0xb7/0x1bd
[  266.961762]  0
[  266.964865]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  266.969165]  2817
[  266.970965]  ? lock_downgrade+0x900/0x900
[  266.975784]  6321
[  266.977854]  ? trace_hardirqs_off+0xb8/0x300
[  266.981974]  6321
[  266.984049]  ? trace_hardirqs_off+0xb8/0x300
[  266.988433] Node 0 
[  266.990503]  __alloc_pages_slowpath+0x2667/0x2d80
[  266.994914] DMA32 free:25172kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  266.997153]  ? warn_alloc+0x120/0x120
[  267.001959] lowmem_reserve[]: 0
[  267.028687]  ? trace_hardirqs_on+0x310/0x310
[  267.032481]  0
[  267.035758]  ? warn_alloc+0x120/0x120
[  267.040151]  3503 3503
[  267.041956]  ? print_usage_bug+0xc0/0xc0
[  267.046183] Node 0 
[  267.048681]  ? warn_alloc+0x120/0x120
[  267.052755] Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5408kB pagetables:2520kB bounce:0kB free_pcp:852kB local_pcp:604kB free_cma:0kB
[  267.054968]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  267.058752] lowmem_reserve[]:
[  267.087115]  ? print_usage_bug+0xc0/0xc0
[  267.092111]  0
[  267.095217]  ? __lock_acquire+0x7ec/0x4ec0
[  267.099254]  0
[  267.101051]  ? __lock_acquire+0x7ec/0x4ec0
[  267.105265]  0
[  267.107064]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  267.111275]  0
[  267.113084]  ? should_fail+0x22d/0xd01
[  267.118598] Node 0 
[  267.120403]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  267.124274] DMA: 
[  267.126507]  ? __lock_acquire+0x7ec/0x4ec0
[  267.131589] 1*4kB 
[  267.133650]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  267.137861] (U) 
[  267.140007]  ? __lock_acquire+0x7ec/0x4ec0
[  267.145088] 0*8kB 
[  267.147063]  ? should_fail+0x22d/0xd01
[  267.151274] 0*16kB 
[  267.153708]  ? print_usage_bug+0xc0/0xc0
[  267.153732]  ? mark_held_locks+0x130/0x130
[  267.157591] 1*32kB (U) 
[  267.159839]  ? mark_held_locks+0x130/0x130
[  267.163885] 2*64kB (U) 
[  267.168152]  ? graph_lock+0x170/0x170
[  267.170715] 1*128kB 
[  267.174945]  ? print_usage_bug+0xc0/0xc0
[  267.177508] (U) 
[  267.181311]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  267.183600] 1*256kB (U) 
[  267.187668]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.189618] 0*512kB 1*1024kB 
[  267.194389]  ? check_preemption_disabled+0x48/0x200
[  267.197030] (U) 
[  267.202570]  ? check_preemption_disabled+0x48/0x200
[  267.205657] 1*2048kB 
[  267.210681]  ? __lock_is_held+0xb5/0x140
[  267.212629] (M) 
[  267.217646]  __alloc_pages_nodemask+0xa80/0xde0
[  267.220028] 3*4096kB (M) 
[  267.224103]  ? graph_lock+0x170/0x170
[  267.226060] = 15908kB
[  267.226069] Node 0 
[  267.230735]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  267.230756]  ? graph_lock+0x170/0x170
[  267.233500] DMA32: 
[  267.237436]  ? find_held_lock+0x36/0x1c0
[  267.239825] 3*4kB 
[  267.242065]  ? ____cache_alloc_node+0x1c7/0x1e0
[  267.247053] (UM) 
[  267.250863]  ? lock_downgrade+0x900/0x900
[  267.253089] 1*8kB 
[  267.257160]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.259284] (U) 
[  267.263956]  cache_grow_begin+0x91/0x8c0
[  267.265990] 4*16kB (UM) 
[  267.270151]  ? do_raw_spin_unlock+0xa7/0x2f0
[  267.272289] 2*32kB 
[  267.277827]  fallback_alloc+0x203/0x2e0
[  267.279790] (UM) 
[  267.283849]  ____cache_alloc_node+0x1c7/0x1e0
[  267.286492] 3*64kB (UM) 
[  267.290925]  kmem_cache_alloc_node+0xe3/0x730
[  267.293130] 4*128kB (UM) 
[  267.297122]  ? ipv6_get_ifaddr+0x42e/0x620
[  267.299167] 3*256kB (UM) 
[  267.303671]  __alloc_skb+0x119/0x770
[  267.306308] 4*512kB (UM) 
[  267.310812]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  267.313539] 3*1024kB (M) 
[  267.317777]  ? skb_scrub_packet+0x490/0x490
[  267.320508] 3*2048kB (UM) 
[  267.324229]  ? lock_downgrade+0x900/0x900
[  267.326965] 3*4096kB (M) 
[  267.332251]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.334977] = 25172kB
[  267.334985] Node 0 
[  267.339303]  ? refcount_sub_and_test_checked+0x203/0x310
[  267.342130] Normal: 979*4kB 
[  267.346283]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  267.349017] (ME) 
[  267.354551]  ? addrconf_rs_timer+0x6f0/0x6f0
[  267.356933] 483*8kB (UME) 
[  267.359184]  ndisc_alloc_skb+0x144/0x340
[  267.364595] 201*16kB (ME) 
[  267.367623]  ndisc_send_rs+0x331/0x6e0
[  267.373043] 59*32kB (UME) 
[  267.375116]  addrconf_rs_timer+0x3c0/0x6f0
[  267.379495] 15*64kB (UM) 
[  267.382346]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  267.386384] 0*128kB 0*256kB 
[  267.389247]  call_timer_fn+0x272/0x920
[  267.393103] 0*512kB 
[  267.395944]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  267.400151] 0*1024kB 0*2048kB 
[  267.402923]  ? process_timeout+0x40/0x40
[  267.407141] 0*4096kB = 13844kB
[  267.410165]  ? find_held_lock+0x36/0x1c0
[  267.414040] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  267.416362]  ? __run_timers+0x7da/0xc70
[  267.420577] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  267.423760]  ? _raw_spin_unlock_irq+0x27/0x80
[  267.427800] 1697 total pagecache pages
[  267.430987]  ? _raw_spin_unlock_irq+0x27/0x80
[  267.435052] 0 pages in swap cache
[  267.443879]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  267.447830] Swap cache stats: add 0, delete 0, find 0/0
[  267.447840] Free swap  = 0kB
[  267.456421]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  267.456440]  ? trace_hardirqs_on+0xbd/0x310
[  267.460911] Total swap = 0kB
[  267.460920] 1965979 pages RAM
[  267.464809]  ? kasan_check_read+0x11/0x20
[  267.469273] 0 pages HighMem/MovableOnly
[  267.469282] 342744 pages reserved
[  267.472734]  ? __run_timers+0x7da/0xc70
[  267.476959] 0 pages cma reserved
[  267.482318]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  267.485443] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  267.489913]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  267.489937]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  267.494303] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  267.497255]  __run_timers+0x7e5/0xc70
[  267.500340] ksoftirqd/0 cpuset=
[  267.504502]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  267.508447] /
[  267.511902]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  267.515855]  mems_allowed=0
[  267.519218]  ? rcu_bh_qs+0xc0/0xc0
[  267.575686]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.581225]  ? check_preemption_disabled+0x48/0x200
[  267.586258]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  267.591022]  ? retint_kernel+0x2d/0x2d
[  267.594920]  ? trace_hardirqs_on_caller+0xc0/0x300
[  267.599850]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  267.604792]  ? trace_hardirqs_off_caller+0x300/0x300
[  267.609928]  ? check_preemption_disabled+0x48/0x200
[  267.614949]  ? graph_lock+0x170/0x170
[  267.618770]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.624312]  ? check_preemption_disabled+0x48/0x200
[  267.629341]  ? __lock_is_held+0xb5/0x140
[  267.633422]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.638971]  ? check_preemption_disabled+0x48/0x200
[  267.644015]  run_timer_softirq+0x52/0xb0
[  267.648080]  ? rcu_read_lock_sched_held+0x108/0x120
[  267.653099]  __do_softirq+0x30b/0xad8
[  267.656924]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  267.662039]  ? pvclock_read_flags+0x160/0x160
[  267.666538]  ? lapic_next_event+0x5a/0x90
[  267.670687]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.676227]  ? check_preemption_disabled+0x48/0x200
[  267.681243]  ? check_preemption_disabled+0x48/0x200
[  267.686270]  ? kvm_clock_read+0x18/0x30
[  267.690247]  ? kvm_sched_clock_read+0x9/0x20
[  267.694664]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.700222]  ? check_preemption_disabled+0x48/0x200
[  267.705257]  irq_exit+0x17f/0x1c0
[  267.708720]  smp_apic_timer_interrupt+0x1cb/0x760
[  267.713564]  ? smp_reschedule_interrupt+0x109/0x650
[  267.718584]  ? smp_call_function_single_interrupt+0x650/0x650
[  267.724489]  ? interrupt_entry+0xb5/0xf0
[  267.728559]  ? trace_hardirqs_off_caller+0xbb/0x300
[  267.733593]  ? trace_hardirqs_off_caller+0xbb/0x300
[  267.738615]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  267.743458]  ? trace_hardirqs_off+0x300/0x300
[  267.747969]  ? trace_hardirqs_off+0x300/0x300
[  267.752467]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.758005]  ? check_preemption_disabled+0x48/0x200
[  267.763020]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.768566]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  267.773420]  apic_timer_interrupt+0xf/0x20
[  267.777651]  </IRQ>
[  267.779931] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  267.784866] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 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 9a 42
[  267.803765] RSP: 0018:ffff88019cfa7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  267.811504] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  267.818770] RDX: 0000000000000000 RSI: ffff88019d338900 RDI: 0000000000000282
[  267.826038] RBP: ffff88019cfa77b0 R08: ffff88019d338080 R09: 0000000000000000
[  267.833311] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  267.840579] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  267.847890]  skb_clone+0x1bb/0x500
[  267.851442]  ? finish_task_switch+0x2f5/0x900
[  267.855941]  ? skb_split+0x11e0/0x11e0
[  267.859829]  ? preempt_notifier_register+0x200/0x200
[  267.864957]  ? __switch_to_asm+0x34/0x70
[  267.869031]  ? __switch_to_asm+0x34/0x70
[  267.873092]  ? __switch_to_asm+0x40/0x70
[  267.877150]  ? __switch_to_asm+0x34/0x70
[  267.881229]  ? __switch_to_asm+0x40/0x70
[  267.885298]  ? __switch_to_asm+0x34/0x70
[  267.889355]  ? __switch_to_asm+0x40/0x70
[  267.893430]  ? __switch_to_asm+0x34/0x70
[  267.897490]  ? __switch_to_asm+0x34/0x70
[  267.901563]  ? __switch_to_asm+0x40/0x70
[  267.905621]  ? __switch_to_asm+0x34/0x70
[  267.909695]  bpf_clone_redirect+0xb9/0x490
[  267.913940]  ? __schedule+0x874/0x1ed0
[  267.917844]  bpf_prog_bebbfe2050753572+0x482/0x1000
[  267.922866]  ? __sched_text_start+0x8/0x8
[  267.927035]  ? find_held_lock+0x36/0x1c0
[  267.931107]  ? lock_acquire+0x1ed/0x520
[  267.935078]  ? bpf_test_run+0x32e/0x5a0
[  267.939049]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.944601]  ? check_preemption_disabled+0x48/0x200
[  267.949628]  ? kasan_check_read+0x11/0x20
[  267.953782]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  267.959061]  ? rcu_bh_qs+0xc0/0xc0
[  267.962613]  ? preempt_schedule+0x4d/0x60
[  267.966824]  ? ___preempt_schedule+0x16/0x18
[  267.971248]  ? bpf_test_run+0x1c0/0x5a0
[  267.975234]  ? netlink_diag_dump+0x2a0/0x2a0
[  267.979647]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  267.985182]  ? bpf_test_init.isra.9+0x70/0x100
[  267.989793]  ? bpf_prog_test_run_skb+0x634/0xb40
[  267.994557]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  267.999403]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  268.004940]  ? fput+0x130/0x1a0
[  268.008246]  ? __bpf_prog_get+0x9b/0x290
[  268.012309]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  268.017149]  ? bpf_prog_test_run+0x130/0x1a0
[  268.021566]  ? __x64_sys_bpf+0x3d8/0x510
[  268.025628]  ? bpf_prog_get+0x20/0x20
[  268.029438]  ? ksys_ioctl+0x81/0xd0
[  268.033078]  ? do_syscall_64+0x1b9/0x820
[  268.037229]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  268.042596]  ? syscall_return_slowpath+0x5e0/0x5e0
[  268.047526]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  268.052399]  ? trace_hardirqs_off+0x300/0x300
[  268.056901]  ? prepare_exit_to_usermode+0x291/0x3b0
[  268.062073]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  268.066960]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  268.072354] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
[  268.072459] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  268.079153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  268.079159] Call Trace:
[  268.079177]  dump_stack+0x1c4/0x2b4
[  268.079194]  ? dump_stack_print_info.cold.2+0x52/0x52
[  268.079222]  warn_alloc.cold.118+0xb7/0x1bd
[  268.085753] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  268.095064]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  268.097630] syz-executor1 cpuset=
[  268.101254]  ? lock_downgrade+0x900/0x900
[  268.106420] syz1
[  268.110741]  ? trace_hardirqs_off+0xb8/0x300
[  268.121204]  mems_allowed=0
[  268.126665]  ? trace_hardirqs_off+0xb8/0x300
[  268.147915]  __alloc_pages_slowpath+0x2667/0x2d80
[  268.152789]  ? mark_held_locks+0x130/0x130
[  268.157032]  ? warn_alloc+0x120/0x120
[  268.160839]  ? warn_alloc+0x120/0x120
[  268.164642]  ? print_usage_bug+0xc0/0xc0
[  268.168706]  ? warn_alloc+0x120/0x120
[  268.172513]  ? print_usage_bug+0xc0/0xc0
[  268.176581]  ? __lock_acquire+0x7ec/0x4ec0
[  268.180815]  ? __lock_acquire+0x7ec/0x4ec0
[  268.185060]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.190598]  ? should_fail+0x22d/0xd01
[  268.194495]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  268.199598]  ? __lock_acquire+0x7ec/0x4ec0
[  268.203840]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  268.208943]  ? __lock_acquire+0x7ec/0x4ec0
[  268.213180]  ? should_fail+0x22d/0xd01
[  268.217082]  ? mark_held_locks+0x130/0x130
[  268.221322]  ? mark_held_locks+0x130/0x130
[  268.225557]  ? graph_lock+0x170/0x170
[  268.229373]  ? graph_lock+0x170/0x170
[  268.233194]  ? graph_lock+0x170/0x170
[  268.236998]  ? print_usage_bug+0xc0/0xc0
[  268.241060]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.246600]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.252140]  ? check_preemption_disabled+0x48/0x200
[  268.257169]  ? check_preemption_disabled+0x48/0x200
[  268.262198]  ? __lock_is_held+0xb5/0x140
[  268.266264]  __alloc_pages_nodemask+0xa80/0xde0
[  268.270936]  ? graph_lock+0x170/0x170
[  268.274755]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  268.279768]  ? graph_lock+0x170/0x170
[  268.283581]  ? find_held_lock+0x36/0x1c0
[  268.287657]  ? ____cache_alloc_node+0x1c7/0x1e0
[  268.292328]  ? lock_downgrade+0x900/0x900
[  268.296484]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.302029]  cache_grow_begin+0x91/0x8c0
[  268.306096]  ? do_raw_spin_unlock+0xa7/0x2f0
[  268.310511]  fallback_alloc+0x203/0x2e0
[  268.314491]  ____cache_alloc_node+0x1c7/0x1e0
[  268.318993]  kmem_cache_alloc_node+0xe3/0x730
[  268.323496]  ? ipv6_get_ifaddr+0x42e/0x620
[  268.327743]  __alloc_skb+0x119/0x770
[  268.331458]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  268.336739]  ? skb_scrub_packet+0x490/0x490
[  268.341060]  ? lock_downgrade+0x900/0x900
[  268.345214]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.350753]  ? refcount_sub_and_test_checked+0x203/0x310
[  268.356221]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  268.361689]  ? addrconf_rs_timer+0x6f0/0x6f0
[  268.366142]  ndisc_alloc_skb+0x144/0x340
[  268.370209]  ndisc_send_rs+0x331/0x6e0
[  268.374101]  addrconf_rs_timer+0x3c0/0x6f0
[  268.378342]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.382592]  call_timer_fn+0x272/0x920
[  268.386481]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.390731]  ? process_timeout+0x40/0x40
[  268.394792]  ? find_held_lock+0x36/0x1c0
[  268.398873]  ? __run_timers+0x7da/0xc70
[  268.402853]  ? _raw_spin_unlock_irq+0x27/0x80
[  268.407352]  ? _raw_spin_unlock_irq+0x27/0x80
[  268.411875]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.416112]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  268.420698]  ? trace_hardirqs_on+0xbd/0x310
[  268.425035]  ? kasan_check_read+0x11/0x20
[  268.429182]  ? __run_timers+0x7da/0xc70
[  268.433162]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  268.438623]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.442868]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.447107]  __run_timers+0x7e5/0xc70
[  268.450922]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  268.456286]  ? compat_start_thread+0x80/0x80
[  268.460699]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.466247]  ? kasan_check_write+0x14/0x20
[  268.470485]  ? finish_task_switch+0x2f5/0x900
[  268.475005]  ? __switch_to_asm+0x40/0x70
[  268.479082]  ? preempt_notifier_register+0x200/0x200
[  268.484190]  ? __switch_to_asm+0x34/0x70
[  268.488262]  ? __switch_to_asm+0x40/0x70
[  268.492320]  ? __switch_to_asm+0x34/0x70
[  268.496389]  ? __switch_to_asm+0x40/0x70
[  268.500457]  ? __switch_to_asm+0x34/0x70
[  268.504520]  ? __switch_to_asm+0x40/0x70
[  268.508592]  ? pvclock_read_flags+0x160/0x160
[  268.513089]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.518633]  ? check_preemption_disabled+0x48/0x200
[  268.523660]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  268.529208]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  268.534513]  ? rcu_pm_notify+0xc0/0xc0
[  268.538416]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.543955]  ? check_preemption_disabled+0x48/0x200
[  268.548981]  run_timer_softirq+0x52/0xb0
[  268.553041]  ? rcu_read_lock_sched_held+0x108/0x120
[  268.558065]  __do_softirq+0x30b/0xad8
[  268.561883]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  268.567011]  ? schedule+0x108/0x460
[  268.570643]  ? __schedule+0x1ed0/0x1ed0
[  268.574625]  ? trace_hardirqs_off+0xb8/0x300
[  268.579035]  ? ___might_sleep+0x1ed/0x300
[  268.583181]  ? smpboot_thread_fn+0x68b/0xa00
[  268.587592]  ? trace_hardirqs_on+0x310/0x310
[  268.592001]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.597542]  ? check_preemption_disabled+0x48/0x200
[  268.602572]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.608113]  ? takeover_tasklets+0xa90/0xa90
[  268.612527]  run_ksoftirqd+0x94/0x100
[  268.616327]  smpboot_thread_fn+0x68b/0xa00
[  268.620579]  ? sort_range+0x30/0x30
[  268.624211]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  268.629314]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.634849]  ? __kthread_parkme+0xfb/0x1a0
[  268.639117]  kthread+0x35a/0x420
[  268.642486]  ? sort_range+0x30/0x30
[  268.646115]  ? kthread_bind+0x40/0x40
[  268.649923]  ret_from_fork+0x3a/0x50
[  268.653660] CPU: 1 PID: 10110 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
[  268.653666] warn_alloc_show_mem: 1 callbacks suppressed
[  268.653673] Mem-Info:
[  268.660953] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  268.666335] active_anon:39159 inactive_anon:1633 isolated_anon:0
[  268.666335]  active_file:15 inactive_file:16 isolated_file:0
[  268.666335]  unevictable:0 dirty:0 writeback:0 unstable:0
[  268.666335]  slab_reclaimable:8773 slab_unreclaimable:1470459
[  268.666335]  mapped:49330 shmem:1666 pagetables:630 bounce:0
[  268.666335]  free:13723 free_pcp:275 free_cma:0
[  268.668709] Call Trace:
[  268.678108] Node 0 active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197320kB dirty:0kB writeback:0kB shmem:6664kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  268.711227]  <IRQ>
[  268.713809] Node 0 
[  268.741491]  dump_stack+0x1c4/0x2b4
[  268.743647] 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
[  268.745871]  ? dump_stack_print_info.cold.2+0x52/0x52
[  268.749481] lowmem_reserve[]: 0
[  268.775002]  warn_alloc.cold.118+0xb7/0x1bd
[  268.780160]  2817
[  268.783451]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  268.787749]  6321
[  268.789839]  ? lock_downgrade+0x900/0x900
[  268.794663]  6321
[  268.796737]  ? trace_hardirqs_off+0xb8/0x300
[  268.800859] Node 0 
[  268.802925]  ? trace_hardirqs_off+0xb8/0x300
[  268.807339] DMA32 free:25172kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  268.809555]  __alloc_pages_slowpath+0x2667/0x2d80
[  268.813934] lowmem_reserve[]:
[  268.840696]  ? warn_alloc+0x120/0x120
[  268.845494]  0
[  268.848602]  ? warn_alloc+0x120/0x120
[  268.852385]  0
[  268.854182]  ? print_usage_bug+0xc0/0xc0
[  268.857985]  3503
[  268.859782]  ? warn_alloc+0x120/0x120
[  268.859799]  ? print_usage_bug+0xc0/0xc0
[  268.863847]  3503
[  268.865920]  ? __lock_acquire+0x7ec/0x4ec0
[  268.869702] Node 0 
[  268.873759]  ? __lock_acquire+0x7ec/0x4ec0
[  268.875846] Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5408kB pagetables:2520kB bounce:0kB free_pcp:852kB local_pcp:604kB free_cma:0kB
[  268.880079]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.882290] lowmem_reserve[]:
[  268.886541]  ? should_fail+0x22d/0xd01
[  268.914888]  0 0
[  268.920451]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  268.923532]  0
[  268.927433]  ? __lock_acquire+0x7ec/0x4ec0
[  268.929411]  0
[  268.934506]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  268.936285] Node 0 
[  268.940518]  ? __lock_acquire+0x7ec/0x4ec0
[  268.942299] DMA: 
[  268.947390]  ? should_fail+0x22d/0xd01
[  268.947415]  ? mark_held_locks+0x130/0x130
[  268.949631] 1*4kB 
[  268.953863]  ? mark_held_locks+0x130/0x130
[  268.955925] (U) 
[  268.959808]  ? graph_lock+0x170/0x170
[  268.964027] 0*8kB 0*16kB 
[  268.966181]  ? graph_lock+0x170/0x170
[  268.970414] 1*32kB 
[  268.972385]  ? graph_lock+0x170/0x170
[  268.976172] (U) 
[  268.978939]  ? print_usage_bug+0xc0/0xc0
[  268.982715] 2*64kB (U) 
[  268.984965]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.988739] 1*128kB 
[  268.990712]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.994749] (U) 
[  268.997332]  ? check_preemption_disabled+0x48/0x200
[  269.002840] 1*256kB (U) 
[  269.005195]  ? check_preemption_disabled+0x48/0x200
[  269.010704] 0*512kB 
[  269.012682]  ? __lock_is_held+0xb5/0x140
[  269.017674] 1*1024kB 
[  269.020345]  __alloc_pages_nodemask+0xa80/0xde0
[  269.025333] (U) 
[  269.027652]  ? graph_lock+0x170/0x170
[  269.031693] 1*2048kB 
[  269.034101]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  269.038744] (M) 
[  269.040741]  ? graph_lock+0x170/0x170
[  269.044956] 3*4096kB (M) 
[  269.047380]  ? find_held_lock+0x36/0x1c0
[  269.052366] = 15908kB
[  269.052395] Node 0 
[  269.054368]  ? ____cache_alloc_node+0x1c7/0x1e0
[  269.058145] DMA32: 
[  269.060896]  ? lock_downgrade+0x900/0x900
[  269.064936] 3*4kB 
[  269.067359]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.069572] (UM) 
[  269.074261]  cache_grow_begin+0x91/0x8c0
[  269.076474] 1*8kB (U) 
[  269.080634]  ? do_raw_spin_unlock+0xa7/0x2f0
[  269.082754] 4*16kB (UM) 
[  269.088301]  fallback_alloc+0x203/0x2e0
[  269.090332] 2*32kB (UM) 
[  269.094406]  ____cache_alloc_node+0x1c7/0x1e0
[  269.096898] 3*64kB 
[  269.101314]  kmem_cache_alloc_node+0xe3/0x730
[  269.103977] (UM) 
[  269.107962]  ? ipv6_get_ifaddr+0x42e/0x620
[  269.110610] 4*128kB 
[  269.115107]  __alloc_skb+0x119/0x770
[  269.117318] (UM) 
[  269.121812]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  269.123850] 3*256kB 
[  269.128105]  ? skb_scrub_packet+0x490/0x490
[  269.130413] (UM) 
[  269.134122]  ? lock_downgrade+0x900/0x900
[  269.136164] 4*512kB 
[  269.141440]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.143740] (UM) 
[  269.148071]  ? refcount_sub_and_test_checked+0x203/0x310
[  269.150114] 3*1024kB 
[  269.154754]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  269.157061] (M) 
[  269.162601]  ? addrconf_rs_timer+0x6f0/0x6f0
[  269.164637] 3*2048kB (UM) 
[  269.170096]  ndisc_alloc_skb+0x144/0x340
[  269.172483] 3*4096kB (M) 
[  269.177938]  ndisc_send_rs+0x331/0x6e0
[  269.179888] = 25172kB
[  269.184294]  addrconf_rs_timer+0x3c0/0x6f0
[  269.187119] Node 0 
[  269.191179]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.193907] Normal: 979*4kB 
[  269.197812]  call_timer_fn+0x272/0x920
[  269.200189] (ME) 
[  269.204425]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.206639] 483*8kB (UME) 
[  269.210884]  ? process_timeout+0x40/0x40
[  269.213876] 201*16kB (ME) 
[  269.217774]  ? find_held_lock+0x36/0x1c0
[  269.219816] 59*32kB 
[  269.224048]  ? __run_timers+0x7da/0xc70
[  269.226882] (UME) 15*64kB 
[  269.230959]  ? _raw_spin_unlock_irq+0x27/0x80
[  269.233778] (UM) 
[  269.237832]  ? _raw_spin_unlock_irq+0x27/0x80
[  269.240138] 0*128kB 
[  269.244124]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.246946] 0*256kB 0*512kB 
[  269.251452]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  269.253494] 0*1024kB 
[  269.257984]  ? trace_hardirqs_on+0xbd/0x310
[  269.260285] 0*2048kB 0*4096kB 
[  269.264617]  ? kasan_check_read+0x11/0x20
[  269.267610] = 13844kB
[  269.272189]  ? __run_timers+0x7da/0xc70
[  269.274587] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  269.278915]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  269.282088] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  269.286226]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.288619] 1697 total pagecache pages
[  269.292593]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.301446] 0 pages in swap cache
[  269.306892]  __run_timers+0x7e5/0xc70
[  269.315441] Swap cache stats: add 0, delete 0, find 0/0
[  269.315450] Free swap  = 0kB
[  269.319694]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  269.323554] Total swap = 0kB
[  269.327790]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  269.331219] 1965979 pages RAM
[  269.335015]  ? rcu_bh_qs+0xc0/0xc0
[  269.340352] 0 pages HighMem/MovableOnly
[  269.340361] 342744 pages reserved
[  269.343394]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.348728] 0 pages cma reserved
[  269.351746]  ? check_preemption_disabled+0x48/0x200
[  269.357096] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  269.360114]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  269.363694] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  269.367603]  ? retint_kernel+0x2d/0x2d
[  269.371032] ksoftirqd/0 cpuset=
[  269.376567]  ? trace_hardirqs_on_caller+0xc0/0x300
[  269.379917] /
[  269.384935]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  269.391411]  mems_allowed=0
[  269.427874]  ? trace_hardirqs_off_caller+0x300/0x300
[  269.432986]  ? check_preemption_disabled+0x48/0x200
[  269.438016]  ? graph_lock+0x170/0x170
[  269.441827]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.447367]  ? check_preemption_disabled+0x48/0x200
[  269.452412]  ? __lock_is_held+0xb5/0x140
[  269.456475]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.462014]  ? check_preemption_disabled+0x48/0x200
[  269.467044]  run_timer_softirq+0x52/0xb0
[  269.471107]  ? rcu_read_lock_sched_held+0x108/0x120
[  269.476142]  __do_softirq+0x30b/0xad8
[  269.479954]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  269.485063]  ? pvclock_read_flags+0x160/0x160
[  269.489573]  ? lapic_next_event+0x5a/0x90
[  269.493721]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.499267]  ? check_preemption_disabled+0x48/0x200
[  269.504288]  ? check_preemption_disabled+0x48/0x200
[  269.509308]  ? kvm_clock_read+0x18/0x30
[  269.513282]  ? kvm_sched_clock_read+0x9/0x20
[  269.517733]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.523289]  ? check_preemption_disabled+0x48/0x200
[  269.528345]  irq_exit+0x17f/0x1c0
[  269.531824]  smp_apic_timer_interrupt+0x1cb/0x760
[  269.536670]  ? smp_reschedule_interrupt+0x109/0x650
[  269.541705]  ? smp_call_function_single_interrupt+0x650/0x650
[  269.547596]  ? interrupt_entry+0xb5/0xf0
[  269.551676]  ? trace_hardirqs_off_caller+0xbb/0x300
[  269.556689]  ? trace_hardirqs_off_caller+0xbb/0x300
[  269.561710]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  269.566555]  ? trace_hardirqs_off+0x300/0x300
[  269.571049]  ? trace_hardirqs_off+0x300/0x300
[  269.575547]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.581097]  ? check_preemption_disabled+0x48/0x200
[  269.586111]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.591654]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  269.596532]  apic_timer_interrupt+0xf/0x20
[  269.600760]  </IRQ>
[  269.603002] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  269.607936] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 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 9a 42
[  269.626859] RSP: 0018:ffff88019cfa7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  269.634568] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  269.641849] RDX: 0000000000000000 RSI: ffff88019d338900 RDI: 0000000000000282
[  269.649114] RBP: ffff88019cfa77b0 R08: ffff88019d338080 R09: 0000000000000000
[  269.656385] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  269.663656] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  269.670984]  skb_clone+0x1bb/0x500
[  269.674541]  ? finish_task_switch+0x2f5/0x900
[  269.679038]  ? skb_split+0x11e0/0x11e0
[  269.682931]  ? preempt_notifier_register+0x200/0x200
[  269.688038]  ? __switch_to_asm+0x34/0x70
[  269.692099]  ? __switch_to_asm+0x34/0x70
[  269.696172]  ? __switch_to_asm+0x40/0x70
[  269.700229]  ? __switch_to_asm+0x34/0x70
[  269.704289]  ? __switch_to_asm+0x40/0x70
[  269.708360]  ? __switch_to_asm+0x34/0x70
[  269.712437]  ? __switch_to_asm+0x40/0x70
[  269.716512]  ? __switch_to_asm+0x34/0x70
[  269.720575]  ? __switch_to_asm+0x34/0x70
[  269.724639]  ? __switch_to_asm+0x40/0x70
[  269.728699]  ? __switch_to_asm+0x34/0x70
[  269.732771]  bpf_clone_redirect+0xb9/0x490
[  269.737012]  ? __schedule+0x874/0x1ed0
[  269.740917]  bpf_prog_bebbfe2050753572+0x482/0x1000
[  269.745945]  ? __sched_text_start+0x8/0x8
[  269.750108]  ? find_held_lock+0x36/0x1c0
[  269.754179]  ? lock_acquire+0x1ed/0x520
[  269.758163]  ? bpf_test_run+0x32e/0x5a0
[  269.762166]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.767709]  ? check_preemption_disabled+0x48/0x200
[  269.772735]  ? kasan_check_read+0x11/0x20
[  269.776887]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  269.782169]  ? rcu_bh_qs+0xc0/0xc0
[  269.785714]  ? preempt_schedule+0x4d/0x60
[  269.789872]  ? ___preempt_schedule+0x16/0x18
[  269.794283]  ? bpf_test_run+0x1c0/0x5a0
[  269.798263]  ? netlink_diag_dump+0x2a0/0x2a0
[  269.802676]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  269.808219]  ? bpf_test_init.isra.9+0x70/0x100
[  269.812811]  ? bpf_prog_test_run_skb+0x634/0xb40
[  269.817572]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  269.822432]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  269.827971]  ? fput+0x130/0x1a0
[  269.831252]  ? __bpf_prog_get+0x9b/0x290
[  269.835318]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  269.840160]  ? bpf_prog_test_run+0x130/0x1a0
[  269.844574]  ? __x64_sys_bpf+0x3d8/0x510
[  269.848635]  ? bpf_prog_get+0x20/0x20
[  269.852457]  ? ksys_ioctl+0x81/0xd0
[  269.856096]  ? do_syscall_64+0x1b9/0x820
[  269.860171]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  269.865540]  ? syscall_return_slowpath+0x5e0/0x5e0
[  269.870471]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  269.875317]  ? trace_hardirqs_off+0x300/0x300
[  269.879816]  ? prepare_exit_to_usermode+0x291/0x3b0
[  269.884841]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  269.889694]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  269.895078] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
[  269.895168] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  269.901842] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  269.901848] Call Trace:
[  269.901880]  dump_stack+0x1c4/0x2b4
[  269.901908]  ? dump_stack_print_info.cold.2+0x52/0x52
[  269.901935]  warn_alloc.cold.118+0xb7/0x1bd
[  269.908498] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  269.917766]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  269.920334] syz-executor1 cpuset=
[  269.923958]  ? lock_downgrade+0x900/0x900
[  269.929127] syz1
[  269.933453]  ? trace_hardirqs_off+0xb8/0x300
[  269.943922]  mems_allowed=0
[  269.948765]  ? trace_hardirqs_off+0xb8/0x300
[  269.970005]  __alloc_pages_slowpath+0x2667/0x2d80
[  269.974876]  ? mark_held_locks+0x130/0x130
[  269.979133]  ? warn_alloc+0x120/0x120
[  269.982940]  ? warn_alloc+0x120/0x120
[  269.986749]  ? print_usage_bug+0xc0/0xc0
[  269.990811]  ? warn_alloc+0x120/0x120
[  269.994613]  ? print_usage_bug+0xc0/0xc0
[  269.998679]  ? __lock_acquire+0x7ec/0x4ec0
[  270.002914]  ? __lock_acquire+0x7ec/0x4ec0
[  270.007154]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.012705]  ? should_fail+0x22d/0xd01
[  270.016604]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  270.021710]  ? __lock_acquire+0x7ec/0x4ec0
[  270.025950]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  270.031053]  ? __lock_acquire+0x7ec/0x4ec0
[  270.035286]  ? should_fail+0x22d/0xd01
[  270.039185]  ? mark_held_locks+0x130/0x130
[  270.043430]  ? mark_held_locks+0x130/0x130
[  270.047673]  ? graph_lock+0x170/0x170
[  270.051474]  ? graph_lock+0x170/0x170
[  270.055277]  ? graph_lock+0x170/0x170
[  270.059075]  ? print_usage_bug+0xc0/0xc0
[  270.063135]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.068675]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.074228]  ? check_preemption_disabled+0x48/0x200
[  270.079260]  ? check_preemption_disabled+0x48/0x200
[  270.084288]  ? __lock_is_held+0xb5/0x140
[  270.088361]  __alloc_pages_nodemask+0xa80/0xde0
[  270.093044]  ? graph_lock+0x170/0x170
[  270.096849]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  270.101869]  ? graph_lock+0x170/0x170
[  270.105685]  ? find_held_lock+0x36/0x1c0
[  270.109757]  ? ____cache_alloc_node+0x1c7/0x1e0
[  270.114430]  ? lock_downgrade+0x900/0x900
[  270.118594]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.124143]  cache_grow_begin+0x91/0x8c0
[  270.128227]  ? do_raw_spin_unlock+0xa7/0x2f0
[  270.132648]  fallback_alloc+0x203/0x2e0
[  270.136635]  ____cache_alloc_node+0x1c7/0x1e0
[  270.141137]  kmem_cache_alloc_node+0xe3/0x730
[  270.145636]  ? ipv6_get_ifaddr+0x42e/0x620
[  270.149894]  __alloc_skb+0x119/0x770
[  270.153612]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  270.158898]  ? skb_scrub_packet+0x490/0x490
[  270.163221]  ? lock_downgrade+0x900/0x900
[  270.167387]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.172956]  ? refcount_sub_and_test_checked+0x203/0x310
[  270.178445]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  270.183902]  ? addrconf_rs_timer+0x6f0/0x6f0
[  270.188347]  ndisc_alloc_skb+0x144/0x340
[  270.192440]  ndisc_send_rs+0x331/0x6e0
[  270.196338]  addrconf_rs_timer+0x3c0/0x6f0
[  270.200582]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  270.204838]  call_timer_fn+0x272/0x920
[  270.208730]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  270.212969]  ? process_timeout+0x40/0x40
[  270.217041]  ? find_held_lock+0x36/0x1c0
[  270.221111]  ? __run_timers+0x7da/0xc70
[  270.225095]  ? _raw_spin_unlock_irq+0x27/0x80
[  270.229591]  ? _raw_spin_unlock_irq+0x27/0x80
[  270.234088]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  270.238336]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  270.242940]  ? trace_hardirqs_on+0xbd/0x310
[  270.247271]  ? kasan_check_read+0x11/0x20
[  270.251442]  ? __run_timers+0x7da/0xc70
[  270.255428]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  270.260892]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  270.265141]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  270.269400]  __run_timers+0x7e5/0xc70
[  270.273230]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  270.278589]  ? compat_start_thread+0x80/0x80
[  270.283001]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.288568]  ? kasan_check_write+0x14/0x20
[  270.292805]  ? finish_task_switch+0x2f5/0x900
[  270.297306]  ? __switch_to_asm+0x40/0x70
[  270.301372]  ? preempt_notifier_register+0x200/0x200
[  270.306508]  ? __switch_to_asm+0x34/0x70
[  270.310583]  ? __switch_to_asm+0x40/0x70
[  270.314646]  ? __switch_to_asm+0x34/0x70
[  270.318708]  ? __switch_to_asm+0x40/0x70
[  270.322778]  ? __switch_to_asm+0x34/0x70
[  270.326848]  ? __switch_to_asm+0x40/0x70
[  270.330918]  ? pvclock_read_flags+0x160/0x160
[  270.335437]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.340978]  ? check_preemption_disabled+0x48/0x200
[  270.346005]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  270.351543]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  270.356830]  ? rcu_pm_notify+0xc0/0xc0
[  270.360741]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.366333]  ? check_preemption_disabled+0x48/0x200
[  270.371358]  run_timer_softirq+0x52/0xb0
[  270.375434]  ? rcu_read_lock_sched_held+0x108/0x120
[  270.380456]  __do_softirq+0x30b/0xad8
[  270.384267]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  270.389389]  ? schedule+0x108/0x460
[  270.393029]  ? __schedule+0x1ed0/0x1ed0
[  270.397026]  ? trace_hardirqs_off+0xb8/0x300
[  270.401438]  ? ___might_sleep+0x1ed/0x300
[  270.405587]  ? smpboot_thread_fn+0x68b/0xa00
[  270.410001]  ? trace_hardirqs_on+0x310/0x310
[  270.414426]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.419972]  ? check_preemption_disabled+0x48/0x200
[  270.424993]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.430551]  ? takeover_tasklets+0xa90/0xa90
[  270.434978]  run_ksoftirqd+0x94/0x100
[  270.438794]  smpboot_thread_fn+0x68b/0xa00
[  270.443049]  ? sort_range+0x30/0x30
[  270.446679]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  270.451798]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.457337]  ? __kthread_parkme+0xfb/0x1a0
[  270.461579]  kthread+0x35a/0x420
[  270.464945]  ? sort_range+0x30/0x30
[  270.468572]  ? kthread_bind+0x40/0x40
[  270.472375]  ret_from_fork+0x3a/0x50
[  270.476122] warn_alloc_show_mem: 1 callbacks suppressed
[  270.476135] CPU: 1 PID: 10110 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
[  270.476137] Mem-Info:
[  270.476169] active_anon:39159 inactive_anon:1633 isolated_anon:0
[  270.476169]  active_file:15 inactive_file:16 isolated_file:0
[  270.476169]  unevictable:0 dirty:0 writeback:0 unstable:0
[  270.476169]  slab_reclaimable:8773 slab_unreclaimable:1470459
[  270.476169]  mapped:49330 shmem:1666 pagetables:630 bounce:0
[  270.476169]  free:13723 free_pcp:275 free_cma:0
[  270.481518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  270.488797] Node 0 active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197320kB dirty:0kB writeback:0kB shmem:6664kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  270.491205] Call Trace:
[  270.524248] Node 0 
[  270.533599]  <IRQ>
[  270.561285] 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
[  270.563847]  dump_stack+0x1c4/0x2b4
[  270.566051] lowmem_reserve[]: 0
[  270.568209]  ? dump_stack_print_info.cold.2+0x52/0x52
[  270.593693]  2817 6321
[  270.597354]  warn_alloc.cold.118+0xb7/0x1bd
[  270.600588]  6321
[  270.605783]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  270.608256] Node 0 
[  270.612582]  ? lock_downgrade+0x900/0x900
[  270.614649] DMA32 free:25172kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  270.619470]  ? trace_hardirqs_off+0xb8/0x300
[  270.621677] lowmem_reserve[]: 0
[  270.625833]  ? trace_hardirqs_off+0xb8/0x300
[  270.652526]  0
[  270.656948]  __alloc_pages_slowpath+0x2667/0x2d80
[  270.660192]  3503 3503
[  270.664633]  ? warn_alloc+0x120/0x120
[  270.666390] Node 0 
[  270.671233]  ? trace_hardirqs_on+0x310/0x310
[  270.673738] Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5408kB pagetables:2520kB bounce:0kB free_pcp:852kB local_pcp:604kB free_cma:0kB
[  270.677509]  ? warn_alloc+0x120/0x120
[  270.679724] lowmem_reserve[]:
[  270.684131]  ? print_usage_bug+0xc0/0xc0
[  270.712472]  0 0
[  270.716287]  ? warn_alloc+0x120/0x120
[  270.719372]  0
[  270.723495]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  270.725448]  0
[  270.729246]  ? print_usage_bug+0xc0/0xc0
[  270.731029] Node 0 
[  270.736040]  ? __lock_acquire+0x7ec/0x4ec0
[  270.737824] DMA: 
[  270.741879]  ? __lock_acquire+0x7ec/0x4ec0
[  270.744095] 1*4kB 
[  270.748325]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.750364] (U) 
[  270.754624]  ? should_fail+0x22d/0xd01
[  270.756754] 0*8kB 
[  270.762286]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  270.764249] 0*16kB 1*32kB 
[  270.768143]  ? __lock_acquire+0x7ec/0x4ec0
[  270.770270] (U) 
[  270.775371]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  270.778196] 2*64kB 
[  270.782428]  ? __lock_acquire+0x7ec/0x4ec0
[  270.784392] (U) 
[  270.789504]  ? should_fail+0x22d/0xd01
[  270.791716] 1*128kB (U) 
[  270.795959]  ? print_usage_bug+0xc0/0xc0
[  270.797912] 1*256kB (U) 
[  270.801810]  ? mark_held_locks+0x130/0x130
[  270.804455] 0*512kB 
[  270.808551]  ? mark_held_locks+0x130/0x130
[  270.811176] 1*1024kB 
[  270.815423]  ? graph_lock+0x170/0x170
[  270.817724] (U) 
[  270.821956]  ? print_usage_bug+0xc0/0xc0
[  270.824342] 1*2048kB (M) 
[  270.828159]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  270.830111] 3*4096kB 
[  270.834180]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.836924] (M) 
[  270.841681]  ? check_preemption_disabled+0x48/0x200
[  270.844073] = 15908kB
[  270.844082] Node 0 
[  270.849618]  ? check_preemption_disabled+0x48/0x200
[  270.851572] DMA32: 
[  270.856594]  ? __lock_is_held+0xb5/0x140
[  270.858974] 3*4kB 
[  270.861210]  __alloc_pages_nodemask+0xa80/0xde0
[  270.866199] (UM) 
[  270.868471]  ? graph_lock+0x170/0x170
[  270.872518] 1*8kB (U) 
[  270.874693]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  270.879332] 4*16kB (UM) 
[  270.881406]  ? graph_lock+0x170/0x170
[  270.885193] 2*32kB 
[  270.887693]  ? find_held_lock+0x36/0x1c0
[  270.892700] (UM) 3*64kB 
[  270.895393]  ? ____cache_alloc_node+0x1c7/0x1e0
[  270.899153] (UM) 
[  270.901405]  ? lock_downgrade+0x900/0x900
[  270.905450] 4*128kB 
[  270.908165]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.912806] (UM) 
[  270.914868]  cache_grow_begin+0x91/0x8c0
[  270.919005] 3*256kB 
[  270.921324]  ? do_raw_spin_unlock+0xa7/0x2f0
[  270.926837] (UM) 
[  270.928902]  fallback_alloc+0x203/0x2e0
[  270.932943] 4*512kB 
[  270.935267]  ____cache_alloc_node+0x1c7/0x1e0
[  270.939657] (UM) 
[  270.941725]  kmem_cache_alloc_node+0xe3/0x730
[  270.945676] 3*1024kB 
[  270.947996]  ? ipv6_get_ifaddr+0x42e/0x620
[  270.952464] (M) 
[  270.954532]  __alloc_skb+0x119/0x770
[  270.958994] 3*2048kB (UM) 
[  270.961419]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  270.965636] 3*4096kB 
[  270.967607]  ? skb_scrub_packet+0x490/0x490
[  270.971297] (M) 
[  270.974175]  ? lock_downgrade+0x900/0x900
[  270.979428] = 25172kB
[  270.979437] Node 0 
[  270.981850]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.986141] Normal: 
[  270.988119]  ? refcount_sub_and_test_checked+0x203/0x310
[  270.992248] 979*4kB 
[  270.994655]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  270.996869] (ME) 
[  271.002423]  ? addrconf_rs_timer+0x6f0/0x6f0
[  271.002451]  ndisc_alloc_skb+0x144/0x340
[  271.004743] 483*8kB (UME) 
[  271.010200]  ndisc_send_rs+0x331/0x6e0
[  271.012498] 201*16kB (ME) 
[  271.017954]  addrconf_rs_timer+0x3c0/0x6f0
[  271.020012] 59*32kB 
[  271.024427]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  271.028467] (UME) 
[  271.031323]  call_timer_fn+0x272/0x920
[  271.035180] 15*64kB 
[  271.038025]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  271.042237] (UM) 
[  271.044814]  ? process_timeout+0x40/0x40
[  271.049022] 0*128kB 0*256kB 
[  271.051179]  ? find_held_lock+0x36/0x1c0
[  271.055044] 0*512kB 
[  271.057369]  ? __run_timers+0x7da/0xc70
[  271.061581] 0*1024kB 0*2048kB 
[  271.063651]  ? _raw_spin_unlock_irq+0x27/0x80
[  271.067682] 0*4096kB = 13844kB
[  271.070704]  ? _raw_spin_unlock_irq+0x27/0x80
[  271.074765] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  271.077204]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  271.081157] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  271.084341]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  271.088817] 1697 total pagecache pages
[  271.092034]  ? trace_hardirqs_on+0xbd/0x310
[  271.096515] 0 pages in swap cache
[  271.105378]  ? kasan_check_read+0x11/0x20
[  271.110313] Swap cache stats: add 0, delete 0, find 0/0
[  271.110323] Free swap  = 0kB
[  271.118899]  ? __run_timers+0x7da/0xc70
[  271.123499] Total swap = 0kB
[  271.127382]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  271.131692] 1965979 pages RAM
[  271.135147]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  271.139267] 0 pages HighMem/MovableOnly
[  271.139276] 342744 pages reserved
[  271.144639]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  271.147638] 0 pages cma reserved
[  271.151959]  __run_timers+0x7e5/0xc70
[  271.155055] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  271.160417]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  271.160433]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  271.160449]  ? rcu_bh_qs+0xc0/0xc0
[  271.160468]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.163626] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  271.167796]  ? check_preemption_disabled+0x48/0x200
[  271.171746] ksoftirqd/0 cpuset=
[  271.175201]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  271.179411] /
[  271.182777]  ? retint_kernel+0x2d/0x2d
[  271.186557]  mems_allowed=0
[  271.193045]  ? trace_hardirqs_on_caller+0xc0/0x300
[  271.249444]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  271.254221]  ? trace_hardirqs_off_caller+0x300/0x300
[  271.259344]  ? check_preemption_disabled+0x48/0x200
[  271.264371]  ? graph_lock+0x170/0x170
[  271.268199]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.273742]  ? check_preemption_disabled+0x48/0x200
[  271.278777]  ? __lock_is_held+0xb5/0x140
[  271.282843]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.288393]  ? check_preemption_disabled+0x48/0x200
[  271.293425]  run_timer_softirq+0x52/0xb0
[  271.297495]  ? rcu_read_lock_sched_held+0x108/0x120
[  271.302530]  __do_softirq+0x30b/0xad8
[  271.306356]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  271.311480]  ? pvclock_read_flags+0x160/0x160
[  271.315993]  ? lapic_next_event+0x5a/0x90
[  271.320169]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.325716]  ? check_preemption_disabled+0x48/0x200
[  271.330745]  ? check_preemption_disabled+0x48/0x200
[  271.335771]  ? kvm_clock_read+0x18/0x30
[  271.339750]  ? kvm_sched_clock_read+0x9/0x20
[  271.344187]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.349728]  ? check_preemption_disabled+0x48/0x200
[  271.354760]  irq_exit+0x17f/0x1c0
[  271.358219]  smp_apic_timer_interrupt+0x1cb/0x760
[  271.363078]  ? smp_reschedule_interrupt+0x109/0x650
[  271.368099]  ? smp_call_function_single_interrupt+0x650/0x650
[  271.373983]  ? interrupt_entry+0xb5/0xf0
[  271.378060]  ? trace_hardirqs_off_caller+0xbb/0x300
[  271.383076]  ? trace_hardirqs_off_caller+0xbb/0x300
[  271.388095]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  271.392944]  ? trace_hardirqs_off+0x300/0x300
[  271.397443]  ? trace_hardirqs_off+0x300/0x300
[  271.401946]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.407494]  ? check_preemption_disabled+0x48/0x200
[  271.412536]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.418085]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  271.422946]  apic_timer_interrupt+0xf/0x20
[  271.427174]  </IRQ>
[  271.429428] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  271.434365] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 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 9a 42
[  271.453272] RSP: 0018:ffff88019cfa7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  271.460994] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  271.468258] RDX: 0000000000000000 RSI: ffff88019d338900 RDI: 0000000000000282
[  271.475541] RBP: ffff88019cfa77b0 R08: ffff88019d338080 R09: 0000000000000000
[  271.482807] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  271.490074] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  271.497396]  skb_clone+0x1bb/0x500
[  271.500946]  ? finish_task_switch+0x2f5/0x900
[  271.505444]  ? skb_split+0x11e0/0x11e0
[  271.509333]  ? preempt_notifier_register+0x200/0x200
[  271.514437]  ? __switch_to_asm+0x34/0x70
[  271.518505]  ? __switch_to_asm+0x34/0x70
[  271.522572]  ? __switch_to_asm+0x40/0x70
[  271.526655]  ? __switch_to_asm+0x34/0x70
[  271.530720]  ? __switch_to_asm+0x40/0x70
[  271.534780]  ? __switch_to_asm+0x34/0x70
[  271.538843]  ? __switch_to_asm+0x40/0x70
[  271.542908]  ? __switch_to_asm+0x34/0x70
[  271.546969]  ? __switch_to_asm+0x34/0x70
[  271.551030]  ? __switch_to_asm+0x40/0x70
[  271.555091]  ? __switch_to_asm+0x34/0x70
[  271.559162]  bpf_clone_redirect+0xb9/0x490
[  271.563419]  ? __schedule+0x874/0x1ed0
[  271.567314]  bpf_prog_bebbfe2050753572+0x482/0x1000
[  271.572370]  ? __sched_text_start+0x8/0x8
[  271.576548]  ? find_held_lock+0x36/0x1c0
[  271.580620]  ? lock_acquire+0x1ed/0x520
[  271.584595]  ? bpf_test_run+0x32e/0x5a0
[  271.588598]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.594148]  ? check_preemption_disabled+0x48/0x200
[  271.599193]  ? kasan_check_read+0x11/0x20
[  271.603342]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  271.608622]  ? rcu_bh_qs+0xc0/0xc0
[  271.612164]  ? preempt_schedule+0x4d/0x60
[  271.616328]  ? ___preempt_schedule+0x16/0x18
[  271.620746]  ? bpf_test_run+0x1c0/0x5a0
[  271.624734]  ? netlink_diag_dump+0x2a0/0x2a0
[  271.629155]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  271.634703]  ? bpf_test_init.isra.9+0x70/0x100
[  271.639310]  ? bpf_prog_test_run_skb+0x634/0xb40
[  271.644074]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  271.648921]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  271.654461]  ? fput+0x130/0x1a0
[  271.657749]  ? __bpf_prog_get+0x9b/0x290
[  271.661812]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  271.666656]  ? bpf_prog_test_run+0x130/0x1a0
[  271.671071]  ? __x64_sys_bpf+0x3d8/0x510
[  271.675137]  ? bpf_prog_get+0x20/0x20
[  271.678951]  ? ksys_ioctl+0x81/0xd0
[  271.682596]  ? do_syscall_64+0x1b9/0x820
[  271.686660]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  271.692026]  ? syscall_return_slowpath+0x5e0/0x5e0
[  271.696958]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  271.701807]  ? trace_hardirqs_off+0x300/0x300
[  271.706343]  ? prepare_exit_to_usermode+0x291/0x3b0
[  271.711368]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  271.716221]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  271.721606] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
[  271.721698] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  271.728371] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  271.728384] Call Trace:
[  271.728403]  dump_stack+0x1c4/0x2b4
[  271.728426]  ? dump_stack_print_info.cold.2+0x52/0x52
[  271.728454]  warn_alloc.cold.118+0xb7/0x1bd
[  271.735016] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  271.744301]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  271.746861] syz-executor1 cpuset=
[  271.750489]  ? lock_downgrade+0x900/0x900
[  271.755658] syz1
[  271.759980]  ? trace_hardirqs_off+0xb8/0x300
[  271.770445]  mems_allowed=0
[  271.775284]  ? trace_hardirqs_off+0xb8/0x300
[  271.796565]  __alloc_pages_slowpath+0x2667/0x2d80
[  271.801448]  ? mark_held_locks+0x130/0x130
[  271.805698]  ? warn_alloc+0x120/0x120
[  271.809509]  ? warn_alloc+0x120/0x120
[  271.813319]  ? print_usage_bug+0xc0/0xc0
[  271.817394]  ? warn_alloc+0x120/0x120
[  271.821203]  ? print_usage_bug+0xc0/0xc0
[  271.825278]  ? __lock_acquire+0x7ec/0x4ec0
[  271.829540]  ? __lock_acquire+0x7ec/0x4ec0
[  271.833781]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  271.839323]  ? should_fail+0x22d/0xd01
[  271.843234]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  271.848339]  ? __lock_acquire+0x7ec/0x4ec0
[  271.852583]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  271.857684]  ? __lock_acquire+0x7ec/0x4ec0
[  271.861918]  ? should_fail+0x22d/0xd01
[  271.865817]  ? mark_held_locks+0x130/0x130
[  271.870061]  ? mark_held_locks+0x130/0x130
[  271.874300]  ? graph_lock+0x170/0x170
[  271.878100]  ? graph_lock+0x170/0x170
[  271.881905]  ? graph_lock+0x170/0x170
[  271.885705]  ? print_usage_bug+0xc0/0xc0
[  271.889768]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.895309]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.900853]  ? check_preemption_disabled+0x48/0x200
[  271.905873]  ? check_preemption_disabled+0x48/0x200
[  271.910934]  ? __lock_is_held+0xb5/0x140
[  271.915021]  __alloc_pages_nodemask+0xa80/0xde0
[  271.919697]  ? graph_lock+0x170/0x170
[  271.923507]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  271.928525]  ? graph_lock+0x170/0x170
[  271.932349]  ? find_held_lock+0x36/0x1c0
[  271.936438]  ? ____cache_alloc_node+0x1c7/0x1e0
[  271.941110]  ? lock_downgrade+0x900/0x900
[  271.945267]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.950830]  cache_grow_begin+0x91/0x8c0
[  271.954894]  ? do_raw_spin_unlock+0xa7/0x2f0
[  271.959313]  fallback_alloc+0x203/0x2e0
[  271.963302]  ____cache_alloc_node+0x1c7/0x1e0
[  271.967844]  kmem_cache_alloc_node+0xe3/0x730
[  271.972382]  ? ipv6_get_ifaddr+0x42e/0x620
[  271.976634]  __alloc_skb+0x119/0x770
[  271.980351]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  271.985640]  ? skb_scrub_packet+0x490/0x490
[  271.989962]  ? lock_downgrade+0x900/0x900
[  271.994120]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.999665]  ? refcount_sub_and_test_checked+0x203/0x310
[  272.005124]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  272.010581]  ? addrconf_rs_timer+0x6f0/0x6f0
[  272.015007]  ndisc_alloc_skb+0x144/0x340
[  272.019077]  ndisc_send_rs+0x331/0x6e0
[  272.022983]  addrconf_rs_timer+0x3c0/0x6f0
[  272.027232]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.031487]  call_timer_fn+0x272/0x920
[  272.035386]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.039630]  ? process_timeout+0x40/0x40
[  272.043698]  ? find_held_lock+0x36/0x1c0
[  272.048192]  ? __run_timers+0x7da/0xc70
[  272.052179]  ? _raw_spin_unlock_irq+0x27/0x80
[  272.056701]  ? _raw_spin_unlock_irq+0x27/0x80
[  272.061194]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.065436]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  272.070025]  ? trace_hardirqs_on+0xbd/0x310
[  272.074348]  ? kasan_check_read+0x11/0x20
[  272.078505]  ? __run_timers+0x7da/0xc70
[  272.082484]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  272.087940]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.092188]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.096437]  __run_timers+0x7e5/0xc70
[  272.100252]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  272.105658]  ? compat_start_thread+0x80/0x80
[  272.110070]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.115655]  ? kasan_check_write+0x14/0x20
[  272.119929]  ? finish_task_switch+0x2f5/0x900
[  272.124431]  ? __switch_to_asm+0x40/0x70
[  272.128498]  ? preempt_notifier_register+0x200/0x200
[  272.133601]  ? __switch_to_asm+0x34/0x70
[  272.137658]  ? __switch_to_asm+0x40/0x70
[  272.141723]  ? __switch_to_asm+0x34/0x70
[  272.145785]  ? __switch_to_asm+0x40/0x70
[  272.149844]  ? __switch_to_asm+0x34/0x70
[  272.153904]  ? __switch_to_asm+0x40/0x70
[  272.157987]  ? pvclock_read_flags+0x160/0x160
[  272.162486]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.168033]  ? check_preemption_disabled+0x48/0x200
[  272.173060]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  272.178597]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  272.183875]  ? rcu_pm_notify+0xc0/0xc0
[  272.187767]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.193304]  ? check_preemption_disabled+0x48/0x200
[  272.198337]  run_timer_softirq+0x52/0xb0
[  272.202420]  ? rcu_read_lock_sched_held+0x108/0x120
[  272.207447]  __do_softirq+0x30b/0xad8
[  272.211264]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  272.216385]  ? schedule+0x108/0x460
[  272.220023]  ? __schedule+0x1ed0/0x1ed0
[  272.224005]  ? trace_hardirqs_off+0xb8/0x300
[  272.228421]  ? ___might_sleep+0x1ed/0x300
[  272.232579]  ? smpboot_thread_fn+0x68b/0xa00
[  272.236988]  ? trace_hardirqs_on+0x310/0x310
[  272.241426]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  272.246987]  ? check_preemption_disabled+0x48/0x200
[  272.252026]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.257570]  ? takeover_tasklets+0xa90/0xa90
[  272.261989]  run_ksoftirqd+0x94/0x100
[  272.265796]  smpboot_thread_fn+0x68b/0xa00
[  272.270037]  ? sort_range+0x30/0x30
[  272.273668]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  272.278772]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  272.284309]  ? __kthread_parkme+0xfb/0x1a0
[  272.288548]  kthread+0x35a/0x420
[  272.291918]  ? sort_range+0x30/0x30
[  272.295545]  ? kthread_bind+0x40/0x40
[  272.299349]  ret_from_fork+0x3a/0x50
[  272.303091] CPU: 1 PID: 10110 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
[  272.303097] warn_alloc_show_mem: 1 callbacks suppressed
[  272.303118] Mem-Info:
[  272.310421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  272.315807] active_anon:39159 inactive_anon:1633 isolated_anon:0
[  272.315807]  active_file:15 inactive_file:16 isolated_file:0
[  272.315807]  unevictable:0 dirty:0 writeback:0 unstable:0
[  272.315807]  slab_reclaimable:8773 slab_unreclaimable:1470459
[  272.315807]  mapped:49330 shmem:1666 pagetables:630 bounce:0
[  272.315807]  free:13723 free_pcp:275 free_cma:0
[  272.318182] Call Trace:
[  272.327572] Node 0 active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197320kB dirty:0kB writeback:0kB shmem:6664kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  272.360598]  <IRQ>
[  272.363181] Node 0 
[  272.390956]  dump_stack+0x1c4/0x2b4
[  272.393116] 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
[  272.395328]  ? dump_stack_print_info.cold.2+0x52/0x52
[  272.398931] lowmem_reserve[]:
[  272.424540]  warn_alloc.cold.118+0xb7/0x1bd
[  272.429704]  0
[  272.432814]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  272.437099]  2817 6321
[  272.438920]  ? lock_downgrade+0x900/0x900
[  272.443734]  6321
[  272.446233]  ? trace_hardirqs_off+0xb8/0x300
[  272.450356] Node 0 
[  272.452424]  ? trace_hardirqs_off+0xb8/0x300
[  272.456834] DMA32 free:25172kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  272.459051]  __alloc_pages_slowpath+0x2667/0x2d80
[  272.463436] lowmem_reserve[]: 0
[  272.490225]  ? warn_alloc+0x120/0x120
[  272.495030]  0
[  272.498332]  ? warn_alloc+0x120/0x120
[  272.502078]  3503 3503
[  272.503891]  ? print_usage_bug+0xc0/0xc0
[  272.510159]  ? warn_alloc+0x120/0x120
[  272.514196] Node 0 
[  272.517992]  ? print_usage_bug+0xc0/0xc0
[  272.518024] Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5408kB pagetables:2520kB bounce:0kB free_pcp:852kB local_pcp:604kB free_cma:0kB
[  272.518032] lowmem_reserve[]:
[  272.520266]  ? __lock_acquire+0x7ec/0x4ec0
[  272.524300]  0 0
[  272.552780]  ? __lock_acquire+0x7ec/0x4ec0
[  272.555869]  0
[  272.560119]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  272.562092]  0
[  272.566324]  ? should_fail+0x22d/0xd01
[  272.568114] Node 0 
[  272.573657]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  272.575436] DMA: 
[  272.579319]  ? __lock_acquire+0x7ec/0x4ec0
[  272.581544] 1*4kB 
[  272.586651]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  272.588694] (U) 
[  272.592931]  ? __lock_acquire+0x7ec/0x4ec0
[  272.595063] 0*8kB 
[  272.600176]  ? should_fail+0x22d/0xd01
[  272.602131] 0*16kB 
[  272.606409]  ? mark_held_locks+0x130/0x130
[  272.608540] 1*32kB 
[  272.612429]  ? mark_held_locks+0x130/0x130
[  272.614645] (U) 
[  272.618874]  ? graph_lock+0x170/0x170
[  272.621093] 2*64kB 
[  272.625321]  ? graph_lock+0x170/0x170
[  272.627275] (U) 
[  272.631139]  ? graph_lock+0x170/0x170
[  272.633356] 1*128kB 
[  272.637157]  ? print_usage_bug+0xc0/0xc0
[  272.639111] (U) 
[  272.642915]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.645210] 1*256kB 
[  272.649279]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.651231] (U) 
[  272.656764]  ? check_preemption_disabled+0x48/0x200
[  272.659068] 0*512kB 
[  272.664601]  ? check_preemption_disabled+0x48/0x200
[  272.666571] 1*1024kB 
[  272.671591]  ? __lock_is_held+0xb5/0x140
[  272.673889] (U) 
[  272.678915]  __alloc_pages_nodemask+0xa80/0xde0
[  272.681301] 1*2048kB 
[  272.685359]  ? graph_lock+0x170/0x170
[  272.687314] (M) 
[  272.691984]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  272.694388] 3*4096kB 
[  272.698185]  ? graph_lock+0x170/0x170
[  272.700149] (M) 
[  272.705173]  ? find_held_lock+0x36/0x1c0
[  272.707557] = 15908kB
[  272.711400]  ? ____cache_alloc_node+0x1c7/0x1e0
[  272.713346] Node 0 
[  272.717410]  ? lock_downgrade+0x900/0x900
[  272.719807] DMA32: 
[  272.724477]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.726691] 3*4kB 
[  272.730847]  cache_grow_begin+0x91/0x8c0
[  272.733064] (UM) 
[  272.738602]  ? do_raw_spin_unlock+0xa7/0x2f0
[  272.740730] 1*8kB 
[  272.744792]  fallback_alloc+0x203/0x2e0
[  272.746832] (U) 
[  272.751240]  ____cache_alloc_node+0x1c7/0x1e0
[  272.753366] 4*16kB (UM) 
[  272.757362]  kmem_cache_alloc_node+0xe3/0x730
[  272.759318] 2*32kB 
[  272.763808]  ? ipv6_get_ifaddr+0x42e/0x620
[  272.766457] (UM) 
[  272.770959]  __alloc_skb+0x119/0x770
[  272.773171] 3*64kB 
[  272.777416]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  272.779457] (UM) 
[  272.783171]  ? skb_scrub_packet+0x490/0x490
[  272.785384] 4*128kB (UM) 
[  272.790672]  ? lock_downgrade+0x900/0x900
[  272.792716] 3*256kB 
[  272.797055]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.799787] (UM) 
[  272.803949]  ? refcount_sub_and_test_checked+0x203/0x310
[  272.806259] 4*512kB 
[  272.811791]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  272.813844] (UM) 
[  272.819317]  ? addrconf_rs_timer+0x6f0/0x6f0
[  272.821647] 3*1024kB 
[  272.827101]  ndisc_alloc_skb+0x144/0x340
[  272.829140] (M) 
[  272.833545]  ndisc_send_rs+0x331/0x6e0
[  272.835935] 3*2048kB 
[  272.840049]  addrconf_rs_timer+0x3c0/0x6f0
[  272.842016] (UM) 
[  272.845912]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.848293] 3*4096kB 
[  272.852533]  call_timer_fn+0x272/0x920
[  272.854563] (M) 
[  272.858793]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.858814]  ? process_timeout+0x40/0x40
[  272.861213] = 25172kB
[  272.865092]  ? find_held_lock+0x36/0x1c0
[  272.867045] Node 0 
[  272.871279]  ? __run_timers+0x7da/0xc70
[  272.875312] Normal: 
[  272.877719]  ? _raw_spin_unlock_irq+0x27/0x80
[  272.881756] 979*4kB 
[  272.883993]  ? _raw_spin_unlock_irq+0x27/0x80
[  272.887942] (ME) 
[  272.890261]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.894736] 483*8kB 
[  272.897055]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  272.901527] (UME) 
[  272.903588]  ? trace_hardirqs_on+0xbd/0x310
[  272.907794] 201*16kB (ME) 
[  272.910156]  ? kasan_check_read+0x11/0x20
[  272.914729] 59*32kB 
[  272.916876]  ? __run_timers+0x7da/0xc70
[  272.921170] (UME) 
[  272.924010]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  272.928128] 15*64kB (UM) 
[  272.930461]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.934415] 0*128kB 
[  272.936588]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.942030] 0*256kB 
[  272.944793]  __run_timers+0x7e5/0xc70
[  272.949005] 0*512kB 
[  272.951342]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  272.955542] 0*1024kB 
[  272.957863]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  272.961638] 0*2048kB 
[  272.963958]  ? rcu_bh_qs+0xc0/0xc0
[  272.969309] 0*4096kB 
[  272.971723]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.976971] = 13844kB
[  272.976986] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  272.979399]  ? check_preemption_disabled+0x48/0x200
[  272.982927] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  272.985333]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  272.990844] 1697 total pagecache pages
[  272.993253]  ? retint_kernel+0x2d/0x2d
[  273.002073] 0 pages in swap cache
[  273.007086]  ? trace_hardirqs_on_caller+0xc0/0x300
[  273.015640] Swap cache stats: add 0, delete 0, find 0/0
[  273.020397]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  273.024268] Free swap  = 0kB
[  273.028151]  ? trace_hardirqs_off_caller+0x300/0x300
[  273.031594] Total swap = 0kB
[  273.036523]  ? check_preemption_disabled+0x48/0x200
[  273.041859] 1965979 pages RAM
[  273.046969]  ? graph_lock+0x170/0x170
[  273.049962] 0 pages HighMem/MovableOnly
[  273.049971] 342744 pages reserved
[  273.055075]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.058073] 0 pages cma reserved
[  273.063088]  ? check_preemption_disabled+0x48/0x200
[  273.066267] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  273.069983]  ? __lock_is_held+0xb5/0x140
[  273.070000]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.070018]  ? check_preemption_disabled+0x48/0x200
[  273.074052] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  273.077447]  run_timer_softirq+0x52/0xb0
[  273.082955] ksoftirqd/0 cpuset=
[  273.086315]  ? rcu_read_lock_sched_held+0x108/0x120
[  273.091309] /
[  273.097820]  __do_softirq+0x30b/0xad8
[  273.101859]  mems_allowed=0
[  273.107393]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  273.107414]  ? pvclock_read_flags+0x160/0x160
[  273.153553]  ? lapic_next_event+0x5a/0x90
[  273.157711]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.163255]  ? check_preemption_disabled+0x48/0x200
[  273.168286]  ? check_preemption_disabled+0x48/0x200
[  273.173311]  ? kvm_clock_read+0x18/0x30
[  273.177284]  ? kvm_sched_clock_read+0x9/0x20
[  273.181716]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.187256]  ? check_preemption_disabled+0x48/0x200
[  273.192287]  irq_exit+0x17f/0x1c0
[  273.195752]  smp_apic_timer_interrupt+0x1cb/0x760
[  273.200595]  ? smp_reschedule_interrupt+0x109/0x650
[  273.205618]  ? smp_call_function_single_interrupt+0x650/0x650
[  273.211504]  ? interrupt_entry+0xb5/0xf0
[  273.215585]  ? trace_hardirqs_off_caller+0xbb/0x300
[  273.220600]  ? trace_hardirqs_off_caller+0xbb/0x300
[  273.225619]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  273.230473]  ? trace_hardirqs_off+0x300/0x300
[  273.234970]  ? trace_hardirqs_off+0x300/0x300
[  273.239480]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.245022]  ? check_preemption_disabled+0x48/0x200
[  273.250051]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.255602]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  273.260456]  apic_timer_interrupt+0xf/0x20
[  273.264685]  </IRQ>
[  273.266938] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  273.271886] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 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 9a 42
[  273.290790] RSP: 0018:ffff88019cfa7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  273.298500] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  273.305764] RDX: 0000000000000000 RSI: ffff88019d338900 RDI: 0000000000000282
[  273.313041] RBP: ffff88019cfa77b0 R08: ffff88019d338080 R09: 0000000000000000
[  273.320307] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  273.327588] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  273.334900]  skb_clone+0x1bb/0x500
[  273.338451]  ? finish_task_switch+0x2f5/0x900
[  273.342959]  ? skb_split+0x11e0/0x11e0
[  273.346862]  ? preempt_notifier_register+0x200/0x200
[  273.351973]  ? __switch_to_asm+0x34/0x70
[  273.356062]  ? __switch_to_asm+0x34/0x70
[  273.360132]  ? __switch_to_asm+0x40/0x70
[  273.364198]  ? __switch_to_asm+0x34/0x70
[  273.368253]  ? __switch_to_asm+0x40/0x70
[  273.372309]  ? __switch_to_asm+0x34/0x70
[  273.376361]  ? __switch_to_asm+0x40/0x70
[  273.380422]  ? __switch_to_asm+0x34/0x70
[  273.384481]  ? __switch_to_asm+0x34/0x70
[  273.388549]  ? __switch_to_asm+0x40/0x70
[  273.392607]  ? __switch_to_asm+0x34/0x70
[  273.396688]  bpf_clone_redirect+0xb9/0x490
[  273.400948]  ? __schedule+0x874/0x1ed0
[  273.404841]  bpf_prog_bebbfe2050753572+0x482/0x1000
[  273.409865]  ? __sched_text_start+0x8/0x8
[  273.414028]  ? find_held_lock+0x36/0x1c0
[  273.418109]  ? lock_acquire+0x1ed/0x520
[  273.422081]  ? bpf_test_run+0x32e/0x5a0
[  273.426057]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.431600]  ? check_preemption_disabled+0x48/0x200
[  273.436631]  ? kasan_check_read+0x11/0x20
[  273.440796]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  273.446076]  ? rcu_bh_qs+0xc0/0xc0
[  273.449620]  ? preempt_schedule+0x4d/0x60
[  273.453781]  ? ___preempt_schedule+0x16/0x18
[  273.458209]  ? bpf_test_run+0x1c0/0x5a0
[  273.462193]  ? netlink_diag_dump+0x2a0/0x2a0
[  273.466620]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  273.472155]  ? bpf_test_init.isra.9+0x70/0x100
[  273.476742]  ? bpf_prog_test_run_skb+0x634/0xb40
[  273.481513]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  273.486359]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  273.491898]  ? fput+0x130/0x1a0
[  273.495264]  ? __bpf_prog_get+0x9b/0x290
[  273.499327]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  273.504167]  ? bpf_prog_test_run+0x130/0x1a0
[  273.508582]  ? __x64_sys_bpf+0x3d8/0x510
[  273.512642]  ? bpf_prog_get+0x20/0x20
[  273.516454]  ? ksys_ioctl+0x81/0xd0
[  273.520105]  ? do_syscall_64+0x1b9/0x820
[  273.524166]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  273.529532]  ? syscall_return_slowpath+0x5e0/0x5e0
[  273.534460]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  273.539303]  ? trace_hardirqs_off+0x300/0x300
[  273.543805]  ? prepare_exit_to_usermode+0x291/0x3b0
[  273.548842]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  273.553721]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  273.559104] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
[  273.559197] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  273.565867] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  273.565876] Call Trace:
[  273.572491] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  273.581715]  dump_stack+0x1c4/0x2b4
[  273.584279] syz-executor1 cpuset=
[  273.594758]  ? dump_stack_print_info.cold.2+0x52/0x52
[  273.598359] syz1
[  273.601814]  warn_alloc.cold.118+0xb7/0x1bd
[  273.606974]  mems_allowed=0
[  273.608940]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  273.621012]  ? lock_downgrade+0x900/0x900
[  273.625167]  ? trace_hardirqs_off+0xb8/0x300
[  273.629591]  ? trace_hardirqs_off+0xb8/0x300
[  273.634031]  __alloc_pages_slowpath+0x2667/0x2d80
[  273.638898]  ? mark_held_locks+0x130/0x130
[  273.643136]  ? warn_alloc+0x120/0x120
[  273.646987]  ? warn_alloc+0x120/0x120
[  273.650890]  ? print_usage_bug+0xc0/0xc0
[  273.654974]  ? warn_alloc+0x120/0x120
[  273.658773]  ? print_usage_bug+0xc0/0xc0
[  273.662851]  ? __lock_acquire+0x7ec/0x4ec0
[  273.667086]  ? __lock_acquire+0x7ec/0x4ec0
[  273.671322]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  273.676859]  ? should_fail+0x22d/0xd01
[  273.680797]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  273.685926]  ? __lock_acquire+0x7ec/0x4ec0
[  273.690166]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  273.695269]  ? __lock_acquire+0x7ec/0x4ec0
[  273.699508]  ? should_fail+0x22d/0xd01
[  273.703412]  ? mark_held_locks+0x130/0x130
[  273.707667]  ? mark_held_locks+0x130/0x130
[  273.711914]  ? graph_lock+0x170/0x170
[  273.715711]  ? graph_lock+0x170/0x170
[  273.719513]  ? graph_lock+0x170/0x170
[  273.723313]  ? print_usage_bug+0xc0/0xc0
[  273.727376]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.732917]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.738459]  ? check_preemption_disabled+0x48/0x200
[  273.743475]  ? check_preemption_disabled+0x48/0x200
[  273.748530]  ? __lock_is_held+0xb5/0x140
[  273.752598]  __alloc_pages_nodemask+0xa80/0xde0
[  273.757270]  ? graph_lock+0x170/0x170
[  273.761078]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  273.766106]  ? graph_lock+0x170/0x170
[  273.769917]  ? find_held_lock+0x36/0x1c0
[  273.773995]  ? ____cache_alloc_node+0x1c7/0x1e0
[  273.778669]  ? lock_downgrade+0x900/0x900
[  273.782827]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.788390]  cache_grow_begin+0x91/0x8c0
[  273.792461]  ? do_raw_spin_unlock+0xa7/0x2f0
[  273.796881]  fallback_alloc+0x203/0x2e0
[  273.800881]  ____cache_alloc_node+0x1c7/0x1e0
[  273.805388]  kmem_cache_alloc_node+0xe3/0x730
[  273.809915]  ? ipv6_get_ifaddr+0x42e/0x620
[  273.814164]  __alloc_skb+0x119/0x770
[  273.817881]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  273.823164]  ? skb_scrub_packet+0x490/0x490
[  273.827487]  ? lock_downgrade+0x900/0x900
[  273.831649]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.837365]  ? refcount_sub_and_test_checked+0x203/0x310
[  273.842820]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  273.848272]  ? addrconf_rs_timer+0x6f0/0x6f0
[  273.852695]  ndisc_alloc_skb+0x144/0x340
[  273.856776]  ndisc_send_rs+0x331/0x6e0
[  273.860670]  addrconf_rs_timer+0x3c0/0x6f0
[  273.864914]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  273.869175]  call_timer_fn+0x272/0x920
[  273.873074]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  273.877325]  ? process_timeout+0x40/0x40
[  273.881388]  ? find_held_lock+0x36/0x1c0
[  273.885492]  ? __run_timers+0x7da/0xc70
[  273.889468]  ? _raw_spin_unlock_irq+0x27/0x80
[  273.893967]  ? _raw_spin_unlock_irq+0x27/0x80
[  273.898470]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  273.902706]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  273.907288]  ? trace_hardirqs_on+0xbd/0x310
[  273.911610]  ? kasan_check_read+0x11/0x20
[  273.915760]  ? __run_timers+0x7da/0xc70
[  273.919739]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  273.925197]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  273.929451]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  273.933688]  __run_timers+0x7e5/0xc70
[  273.937508]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  273.942887]  ? compat_start_thread+0x80/0x80
[  273.947319]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.952866]  ? kasan_check_write+0x14/0x20
[  273.957109]  ? finish_task_switch+0x2f5/0x900
[  273.961605]  ? __switch_to_asm+0x40/0x70
[  273.965671]  ? preempt_notifier_register+0x200/0x200
[  273.970779]  ? __switch_to_asm+0x34/0x70
[  273.974839]  ? __switch_to_asm+0x40/0x70
[  273.978896]  ? __switch_to_asm+0x34/0x70
[  273.982956]  ? __switch_to_asm+0x40/0x70
[  273.987015]  ? __switch_to_asm+0x34/0x70
[  273.991072]  ? __switch_to_asm+0x40/0x70
[  273.995165]  ? pvclock_read_flags+0x160/0x160
[  273.999662]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.005204]  ? check_preemption_disabled+0x48/0x200
[  274.010236]  ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0
[  274.015788]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  274.021066]  ? rcu_pm_notify+0xc0/0xc0
[  274.024962]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.030506]  ? check_preemption_disabled+0x48/0x200
[  274.035539]  run_timer_softirq+0x52/0xb0
[  274.039603]  ? rcu_read_lock_sched_held+0x108/0x120
[  274.045081]  __do_softirq+0x30b/0xad8
[  274.048899]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  274.054014]  ? schedule+0x108/0x460
[  274.057658]  ? __schedule+0x1ed0/0x1ed0
[  274.061646]  ? trace_hardirqs_off+0xb8/0x300
[  274.066059]  ? ___might_sleep+0x1ed/0x300
[  274.070208]  ? smpboot_thread_fn+0x68b/0xa00
[  274.074634]  ? trace_hardirqs_on+0x310/0x310
[  274.079067]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  274.084631]  ? check_preemption_disabled+0x48/0x200
[  274.089657]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.095201]  ? takeover_tasklets+0xa90/0xa90
[  274.099612]  run_ksoftirqd+0x94/0x100
[  274.103429]  smpboot_thread_fn+0x68b/0xa00
[  274.107668]  ? sort_range+0x30/0x30
[  274.111297]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  274.116420]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  274.121964]  ? __kthread_parkme+0xfb/0x1a0
[  274.126207]  kthread+0x35a/0x420
[  274.129593]  ? sort_range+0x30/0x30
[  274.133219]  ? kthread_bind+0x40/0x40
[  274.137027]  ret_from_fork+0x3a/0x50
[  274.140754] warn_alloc_show_mem: 1 callbacks suppressed
[  274.140766] CPU: 1 PID: 10110 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
[  274.140768] Mem-Info:
[  274.140798] active_anon:39159 inactive_anon:1633 isolated_anon:0
[  274.140798]  active_file:15 inactive_file:16 isolated_file:0
[  274.140798]  unevictable:0 dirty:0 writeback:0 unstable:0
[  274.140798]  slab_reclaimable:8773 slab_unreclaimable:1470459
[  274.140798]  mapped:49330 shmem:1666 pagetables:630 bounce:0
[  274.140798]  free:13723 free_pcp:275 free_cma:0
[  274.146167] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  274.153471] Node 0 active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197320kB dirty:0kB writeback:0kB shmem:6664kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  274.155875] Call Trace:
[  274.188926] Node 0 
[  274.198277]  <IRQ>
[  274.225972] 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
[  274.228544]  dump_stack+0x1c4/0x2b4
[  274.230750] lowmem_reserve[]: 0
[  274.232916]  ? dump_stack_print_info.cold.2+0x52/0x52
[  274.258413]  2817 6321
[  274.262085]  warn_alloc.cold.118+0xb7/0x1bd
[  274.265322]  6321
[  274.270511]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  274.272981] Node 0 
[  274.277324]  ? lock_downgrade+0x900/0x900
[  274.279434] DMA32 free:25172kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  274.284235]  ? trace_hardirqs_off+0xb8/0x300
[  274.286440] lowmem_reserve[]: 0
[  274.290600]  ? trace_hardirqs_off+0xb8/0x300
[  274.317313]  0
[  274.321745]  __alloc_pages_slowpath+0x2667/0x2d80
[  274.324992]  3503
[  274.329428]  ? warn_alloc+0x120/0x120
[  274.331206]  3503
[  274.336074]  ? trace_hardirqs_on+0x310/0x310
[  274.338111] Node 0 
[  274.341918]  ? warn_alloc+0x120/0x120
[  274.343979] Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5408kB pagetables:2520kB bounce:0kB free_pcp:852kB local_pcp:604kB free_cma:0kB
[  274.348386]  ? print_usage_bug+0xc0/0xc0
[  274.350617] lowmem_reserve[]: 0
[  274.354424]  ? warn_alloc+0x120/0x120
[  274.354444]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  274.382806]  0
[  274.386875]  ? print_usage_bug+0xc0/0xc0
[  274.390119]  0 0
[  274.393937]  ? __lock_acquire+0x7ec/0x4ec0
[  274.398934] Node 0 
[  274.400737]  ? __lock_acquire+0x7ec/0x4ec0
[  274.404771] DMA: 1*4kB 
[  274.406759]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  274.410969] (U) 
[  274.413208]  ? should_fail+0x22d/0xd01
[  274.417417] 0*8kB 0*16kB 
[  274.420011]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  274.425530] 1*32kB 
[  274.427506]  ? __lock_acquire+0x7ec/0x4ec0
[  274.431386] (U) 
[  274.434136]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  274.439222] 2*64kB (U) 
[  274.441471]  ? __lock_acquire+0x7ec/0x4ec0
[  274.445676] 1*128kB (U) 
[  274.447658]  ? should_fail+0x22d/0xd01
[  274.452746] 1*256kB (U) 
[  274.455336]  ? print_usage_bug+0xc0/0xc0
[  274.459550] 0*512kB 
[  274.462224]  ? mark_held_locks+0x130/0x130
[  274.466084] 1*1024kB 
[  274.468751]  ? mark_held_locks+0x130/0x130
[  274.472801] (U) 
[  274.475135]  ? graph_lock+0x170/0x170
[  274.479353] 1*2048kB 
[  274.481757]  ? print_usage_bug+0xc0/0xc0
[  274.485967] (M) 
[  274.487947]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  274.491738] 3*4096kB 
[  274.494152]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.498187] (M) 
[  274.500177]  ? check_preemption_disabled+0x48/0x200
[  274.504915] = 15908kB
[  274.504924] Node 0 
[  274.507336]  ? check_preemption_disabled+0x48/0x200
[  274.512851] DMA32: 
[  274.514853]  ? __lock_is_held+0xb5/0x140
[  274.519830] 3*4kB 
[  274.522265]  __alloc_pages_nodemask+0xa80/0xde0
[  274.524476] (UM) 
[  274.529503]  ? graph_lock+0x170/0x170
[  274.531718] 1*8kB 
[  274.535774]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  274.537901] (U) 
[  274.542582]  ? graph_lock+0x170/0x170
[  274.544629] 4*16kB 
[  274.548443]  ? find_held_lock+0x36/0x1c0
[  274.550569] (UM) 
[  274.555590]  ? ____cache_alloc_node+0x1c7/0x1e0
[  274.557541] 2*32kB 
[  274.561357]  ? lock_downgrade+0x900/0x900
[  274.563568] (UM) 
[  274.567629]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.569661] 3*64kB (UM) 
[  274.574347]  cache_grow_begin+0x91/0x8c0
[  274.576571] 4*128kB 
[  274.580712]  ? do_raw_spin_unlock+0xa7/0x2f0
[  274.582754] (UM) 
[  274.588306]  fallback_alloc+0x203/0x2e0
[  274.590962] 3*256kB (UM) 
[  274.595042]  ____cache_alloc_node+0x1c7/0x1e0
[  274.597335] 4*512kB 
[  274.601742]  kmem_cache_alloc_node+0xe3/0x730
[  274.603784] (UM) 
[  274.607755]  ? ipv6_get_ifaddr+0x42e/0x620
[  274.610488] 3*1024kB 
[  274.615000]  __alloc_skb+0x119/0x770
[  274.617297] (M) 
[  274.621837]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  274.623864] 3*2048kB (UM) 
[  274.628106]  ? skb_scrub_packet+0x490/0x490
[  274.630488] 3*4096kB (M) 
[  274.634223]  ? lock_downgrade+0x900/0x900
[  274.636191] = 25172kB
[  274.641466]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.644284] Node 0 
[  274.648608]  ? refcount_sub_and_test_checked+0x203/0x310
[  274.651332] Normal: 979*4kB 
[  274.655488]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  274.657876] (ME) 
[  274.663414]  ? addrconf_rs_timer+0x6f0/0x6f0
[  274.665632] 483*8kB (UME) 
[  274.671098]  ndisc_alloc_skb+0x144/0x340
[  274.674085] 201*16kB 
[  274.679536]  ndisc_send_rs+0x331/0x6e0
[  274.681593] (ME) 
[  274.686006]  addrconf_rs_timer+0x3c0/0x6f0
[  274.688825] 59*32kB 
[  274.692894]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  274.695283] (UME) 
[  274.699180]  call_timer_fn+0x272/0x920
[  274.701225] 15*64kB 
[  274.705456]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  274.707760] (UM) 
[  274.711995]  ? process_timeout+0x40/0x40
[  274.714123] 0*128kB 
[  274.718007]  ? find_held_lock+0x36/0x1c0
[  274.720309] 0*256kB 
[  274.724543]  ? __run_timers+0x7da/0xc70
[  274.726585] 0*512kB 
[  274.730645]  ? _raw_spin_unlock_irq+0x27/0x80
[  274.732945] 0*1024kB 0*2048kB 
[  274.737011]  ? _raw_spin_unlock_irq+0x27/0x80
[  274.739307] 0*4096kB = 13844kB
[  274.743286]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  274.745593] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  274.750079]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  274.753251] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  274.757743]  ? trace_hardirqs_on+0xbd/0x310
[  274.760919] 1697 total pagecache pages
[  274.765158]  ? kasan_check_read+0x11/0x20
[  274.773982] 0 pages in swap cache
[  274.778572]  ? __run_timers+0x7da/0xc70
[  274.787917] Swap cache stats: add 0, delete 0, find 0/0
[  274.787927] Free swap  = 0kB
[  274.792277]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  274.796141] Total swap = 0kB
[  274.800288]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  274.803716] 1965979 pages RAM
[  274.807691]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  274.813028] 0 pages HighMem/MovableOnly
[  274.813038] 342744 pages reserved
[  274.816056]  __run_timers+0x7e5/0xc70
[  274.821485] 0 pages cma reserved
[  274.821583] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  274.824526]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  274.828919] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  274.831847]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  274.836069] ksoftirqd/0 cpuset=
[  274.840052]  ? rcu_bh_qs+0xc0/0xc0
[  274.843490] /
[  274.847305]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.850649]  mems_allowed=0
[  274.857139]  ? check_preemption_disabled+0x48/0x200
[  274.899999]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  274.904767]  ? retint_kernel+0x2d/0x2d
[  274.908658]  ? trace_hardirqs_on_caller+0xc0/0x300
[  274.913616]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  274.918374]  ? trace_hardirqs_off_caller+0x300/0x300
[  274.923484]  ? check_preemption_disabled+0x48/0x200
[  274.928619]  ? graph_lock+0x170/0x170
[  274.932427]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.937973]  ? check_preemption_disabled+0x48/0x200
[  274.943004]  ? __lock_is_held+0xb5/0x140
[  274.947073]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.952614]  ? check_preemption_disabled+0x48/0x200
[  274.957640]  run_timer_softirq+0x52/0xb0
[  274.961714]  ? rcu_read_lock_sched_held+0x108/0x120
[  274.966736]  __do_softirq+0x30b/0xad8
[  274.970734]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  274.975846]  ? pvclock_read_flags+0x160/0x160
[  274.980345]  ? lapic_next_event+0x5a/0x90
[  274.984500]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.990044]  ? check_preemption_disabled+0x48/0x200
[  274.995063]  ? check_preemption_disabled+0x48/0x200
[  275.000090]  ? kvm_clock_read+0x18/0x30
[  275.004077]  ? kvm_sched_clock_read+0x9/0x20
[  275.008492]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.014031]  ? check_preemption_disabled+0x48/0x200
[  275.019065]  irq_exit+0x17f/0x1c0
[  275.022568]  smp_apic_timer_interrupt+0x1cb/0x760
[  275.027415]  ? smp_reschedule_interrupt+0x109/0x650
[  275.032443]  ? smp_call_function_single_interrupt+0x650/0x650
[  275.038329]  ? interrupt_entry+0xb5/0xf0
[  275.042399]  ? trace_hardirqs_off_caller+0xbb/0x300
[  275.047690]  ? trace_hardirqs_off_caller+0xbb/0x300
[  275.052712]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  275.057561]  ? trace_hardirqs_off+0x300/0x300
[  275.062055]  ? trace_hardirqs_off+0x300/0x300
[  275.066554]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.072094]  ? check_preemption_disabled+0x48/0x200
[  275.077112]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.082686]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  275.087558]  apic_timer_interrupt+0xf/0x20
[  275.091803]  </IRQ>
[  275.094062] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  275.099006] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 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 9a 42
[  275.117911] RSP: 0018:ffff88019cfa7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  275.125621] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  275.132902] RDX: 0000000000000000 RSI: ffff88019d338900 RDI: 0000000000000282
[  275.140178] RBP: ffff88019cfa77b0 R08: ffff88019d338080 R09: 0000000000000000
[  275.147444] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  275.155195] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  275.162520]  skb_clone+0x1bb/0x500
[  275.166104]  ? finish_task_switch+0x2f5/0x900
[  275.170615]  ? skb_split+0x11e0/0x11e0
[  275.174509]  ? preempt_notifier_register+0x200/0x200
[  275.179617]  ? __switch_to_asm+0x34/0x70
[  275.183677]  ? __switch_to_asm+0x34/0x70
[  275.187738]  ? __switch_to_asm+0x40/0x70
[  275.191795]  ? __switch_to_asm+0x34/0x70
[  275.195854]  ? __switch_to_asm+0x40/0x70
[  275.199933]  ? __switch_to_asm+0x34/0x70
[  275.204002]  ? __switch_to_asm+0x40/0x70
[  275.208061]  ? __switch_to_asm+0x34/0x70
[  275.212124]  ? __switch_to_asm+0x34/0x70
[  275.216185]  ? __switch_to_asm+0x40/0x70
[  275.220245]  ? __switch_to_asm+0x34/0x70
[  275.224314]  bpf_clone_redirect+0xb9/0x490
[  275.228552]  ? __schedule+0x874/0x1ed0
[  275.232451]  bpf_prog_bebbfe2050753572+0x482/0x1000
[  275.237469]  ? __sched_text_start+0x8/0x8
[  275.241645]  ? find_held_lock+0x36/0x1c0
[  275.245726]  ? lock_acquire+0x1ed/0x520
[  275.249705]  ? bpf_test_run+0x32e/0x5a0
[  275.253686]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.259230]  ? check_preemption_disabled+0x48/0x200
[  275.264253]  ? kasan_check_read+0x11/0x20
[  275.268418]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  275.273701]  ? rcu_bh_qs+0xc0/0xc0
[  275.277254]  ? preempt_schedule+0x4d/0x60
[  275.281413]  ? ___preempt_schedule+0x16/0x18
[  275.285838]  ? bpf_test_run+0x1c0/0x5a0
[  275.289824]  ? netlink_diag_dump+0x2a0/0x2a0
[  275.294238]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  275.299773]  ? bpf_test_init.isra.9+0x70/0x100
[  275.304363]  ? bpf_prog_test_run_skb+0x634/0xb40
[  275.309124]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  275.313962]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  275.319495]  ? fput+0x130/0x1a0
[  275.322772]  ? __bpf_prog_get+0x9b/0x290
[  275.326832]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  275.331670]  ? bpf_prog_test_run+0x130/0x1a0
[  275.336095]  ? __x64_sys_bpf+0x3d8/0x510
[  275.340152]  ? bpf_prog_get+0x20/0x20
[  275.343956]  ? ksys_ioctl+0x81/0xd0
[  275.347616]  ? do_syscall_64+0x1b9/0x820
[  275.351678]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  275.357041]  ? syscall_return_slowpath+0x5e0/0x5e0
[  275.361965]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  275.366806]  ? trace_hardirqs_off+0x300/0x300
[  275.371299]  ? prepare_exit_to_usermode+0x291/0x3b0
[  275.376329]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  275.381176]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  275.386641] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
[  275.386750] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  275.393419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  275.393425] Call Trace:
[  275.393444]  dump_stack+0x1c4/0x2b4
[  275.393461]  ? dump_stack_print_info.cold.2+0x52/0x52
[  275.393501]  warn_alloc.cold.118+0xb7/0x1bd
[  275.400180] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  275.409374]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  275.411964] syz-executor1 cpuset=
[  275.415595]  ? lock_downgrade+0x900/0x900
[  275.420765] syz1
[  275.425092]  ? trace_hardirqs_off+0xb8/0x300
[  275.435563]  mems_allowed=0
[  275.440400]  ? trace_hardirqs_off+0xb8/0x300
[  275.461671]  __alloc_pages_slowpath+0x2667/0x2d80
[  275.466545]  ? warn_alloc+0x120/0x120
[  275.470353]  ? warn_alloc+0x120/0x120
[  275.474185]  ? print_usage_bug+0xc0/0xc0
[  275.478246]  ? warn_alloc+0x120/0x120
[  275.482051]  ? print_usage_bug+0xc0/0xc0
[  275.486125]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  275.491666]  ? should_fail+0x22d/0xd01
[  275.495557]  ? __lock_acquire+0x7ec/0x4ec0
[  275.499796]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  275.504925]  ? __lock_acquire+0x7ec/0x4ec0
[  275.509168]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  275.514270]  ? __lock_acquire+0x7ec/0x4ec0
[  275.518510]  ? should_fail+0x22d/0xd01
[  275.522413]  ? mark_held_locks+0x130/0x130
[  275.526671]  ? mark_held_locks+0x130/0x130
[  275.530914]  ? mark_held_locks+0x130/0x130
[  275.535152]  ? graph_lock+0x170/0x170
[  275.538958]  ? print_usage_bug+0xc0/0xc0
[  275.543034]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.548585]  ? check_preemption_disabled+0x48/0x200
[  275.553602]  ? check_preemption_disabled+0x48/0x200
[  275.558639]  ? __lock_is_held+0xb5/0x140
[  275.562717]  __alloc_pages_nodemask+0xa80/0xde0
[  275.567394]  ? graph_lock+0x170/0x170
[  275.571219]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  275.576234]  ? graph_lock+0x170/0x170
[  275.580045]  ? find_held_lock+0x36/0x1c0
[  275.584115]  ? ____cache_alloc_node+0x1c7/0x1e0
[  275.588784]  ? lock_downgrade+0x900/0x900
[  275.592960]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.598507]  cache_grow_begin+0x91/0x8c0
[  275.602577]  ? do_raw_spin_unlock+0xa7/0x2f0
[  275.606995]  fallback_alloc+0x203/0x2e0
[  275.610992]  ____cache_alloc_node+0x1c7/0x1e0
[  275.615496]  kmem_cache_alloc_node+0xe3/0x730
[  275.620008]  ? ipv6_get_ifaddr+0x42e/0x620
[  275.624255]  __alloc_skb+0x119/0x770
[  275.627976]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  275.633258]  ? skb_scrub_packet+0x490/0x490
[  275.637605]  ? lock_downgrade+0x900/0x900
[  275.641772]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.647312]  ? refcount_sub_and_test_checked+0x203/0x310
[  275.652790]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  275.658244]  ? addrconf_rs_timer+0x6f0/0x6f0
[  275.662671]  ndisc_alloc_skb+0x144/0x340
[  275.666754]  ndisc_send_rs+0x331/0x6e0
[  275.670653]  addrconf_rs_timer+0x3c0/0x6f0
[  275.674897]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  275.679160]  call_timer_fn+0x272/0x920
[  275.683052]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  275.687288]  ? process_timeout+0x40/0x40
[  275.691347]  ? find_held_lock+0x36/0x1c0
[  275.695447]  ? __run_timers+0x7da/0xc70
[  275.699434]  ? _raw_spin_unlock_irq+0x27/0x80
[  275.703938]  ? _raw_spin_unlock_irq+0x27/0x80
[  275.708443]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  275.712680]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  275.717268]  ? trace_hardirqs_on+0xbd/0x310
[  275.721603]  ? kasan_check_read+0x11/0x20
[  275.725754]  ? __run_timers+0x7da/0xc70
[  275.729731]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  275.735193]  ? tcp_compressed_ack_kick+0x220/0x220
[  275.740131]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  275.744372]  __run_timers+0x7e5/0xc70
[  275.748191]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  275.753558]  ? compat_start_thread+0x80/0x80
[  275.757989]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.763543]  ? kasan_check_write+0x14/0x20
[  275.767797]  ? finish_task_switch+0x2f5/0x900
[  275.772300]  ? __switch_to_asm+0x40/0x70
[  275.776370]  ? preempt_notifier_register+0x200/0x200
[  275.781481]  ? __switch_to_asm+0x34/0x70
[  275.785543]  ? __switch_to_asm+0x40/0x70
[  275.789615]  ? __switch_to_asm+0x34/0x70
[  275.793682]  ? __switch_to_asm+0x40/0x70
[  275.797738]  ? __switch_to_asm+0x34/0x70
[  275.801796]  ? __switch_to_asm+0x40/0x70
[  275.805865]  ? pvclock_read_flags+0x160/0x160
[  275.810363]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.815905]  ? check_preemption_disabled+0x48/0x200
[  275.820936]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  275.826217]  ? rcu_pm_notify+0xc0/0xc0
[  275.830119]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.835696]  ? check_preemption_disabled+0x48/0x200
[  275.840735]  run_timer_softirq+0x52/0xb0
[  275.844797]  ? rcu_read_lock_sched_held+0x108/0x120
[  275.849817]  __do_softirq+0x30b/0xad8
[  275.853643]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  275.858795]  ? schedule+0x108/0x460
[  275.862465]  ? __schedule+0x1ed0/0x1ed0
[  275.866448]  ? trace_hardirqs_off+0xb8/0x300
[  275.870862]  ? ___might_sleep+0x1ed/0x300
[  275.875007]  ? smpboot_thread_fn+0x68b/0xa00
[  275.879421]  ? trace_hardirqs_on+0x310/0x310
[  275.883836]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  275.889381]  ? check_preemption_disabled+0x48/0x200
[  275.894411]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.899953]  ? takeover_tasklets+0xa90/0xa90
[  275.904365]  run_ksoftirqd+0x94/0x100
[  275.908166]  smpboot_thread_fn+0x68b/0xa00
[  275.912415]  ? sort_range+0x30/0x30
[  275.916048]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  275.921147]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  275.926687]  ? __kthread_parkme+0xfb/0x1a0
[  275.930930]  kthread+0x35a/0x420
[  275.934298]  ? sort_range+0x30/0x30
[  275.937936]  ? kthread_bind+0x40/0x40
[  275.941749]  ret_from_fork+0x3a/0x50
[  275.945484] CPU: 1 PID: 10110 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
[  275.945490] warn_alloc_show_mem: 1 callbacks suppressed
[  275.945498] Mem-Info:
[  275.952775] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  275.958172] active_anon:39159 inactive_anon:1633 isolated_anon:0
[  275.958172]  active_file:15 inactive_file:16 isolated_file:0
[  275.958172]  unevictable:0 dirty:0 writeback:0 unstable:0
[  275.958172]  slab_reclaimable:8773 slab_unreclaimable:1470459
[  275.958172]  mapped:49330 shmem:1666 pagetables:630 bounce:0
[  275.958172]  free:13723 free_pcp:275 free_cma:0
[  275.960570] Call Trace:
[  275.969974] Node 0 active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197320kB dirty:0kB writeback:0kB shmem:6664kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  276.002996]  <IRQ>
[  276.005593] Node 0 
[  276.033266]  dump_stack+0x1c4/0x2b4
[  276.035423] 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
[  276.037628]  ? dump_stack_print_info.cold.2+0x52/0x52
[  276.041233] lowmem_reserve[]:
[  276.066745]  warn_alloc.cold.118+0xb7/0x1bd
[  276.071923]  0
[  276.075053]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  276.079355]  2817
[  276.081169]  ? lock_downgrade+0x900/0x900
[  276.085991]  6321
[  276.088054]  ? trace_hardirqs_off+0xb8/0x300
[  276.092199]  6321
[  276.094274]  ? trace_hardirqs_off+0xb8/0x300
[  276.098660] Node 0 
[  276.100727]  __alloc_pages_slowpath+0x2667/0x2d80
[  276.105146] DMA32 free:25172kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  276.107388]  ? warn_alloc+0x120/0x120
[  276.112173] lowmem_reserve[]:
[  276.138902]  ? warn_alloc+0x120/0x120
[  276.142685]  0
[  276.145791]  ? print_usage_bug+0xc0/0xc0
[  276.149563]  0 3503
[  276.151372]  ? warn_alloc+0x120/0x120
[  276.155415]  3503
[  276.157683]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  276.161461] Node 0 
[  276.163530]  ? print_usage_bug+0xc0/0xc0
[  276.168556] Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5408kB pagetables:2520kB bounce:0kB free_pcp:852kB local_pcp:604kB free_cma:0kB
[  276.170769]  ? __lock_acquire+0x7ec/0x4ec0
[  276.174807] lowmem_reserve[]:
[  276.203181]  ? __lock_acquire+0x7ec/0x4ec0
[  276.207413]  0
[  276.210512]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  276.214719]  0 0
[  276.216532]  ? should_fail+0x22d/0xd01
[  276.222041]  0
[  276.224021]  ? __lock_acquire+0x7ec/0x4ec0
[  276.227890] Node 0 
[  276.229695]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  276.233916] DMA: 
[  276.236149]  ? __lock_acquire+0x7ec/0x4ec0
[  276.241234] 1*4kB 
[  276.243297]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  276.247501] (U) 0*8kB 
[  276.249669]  ? __lock_acquire+0x7ec/0x4ec0
[  276.254746] 0*16kB 1*32kB 
[  276.257249]  ? should_fail+0x22d/0xd01
[  276.261464] (U) 
[  276.264310]  ? mark_held_locks+0x130/0x130
[  276.268164] 2*64kB (U) 
[  276.270146]  ? mark_held_locks+0x130/0x130
[  276.274359] 1*128kB 
[  276.276957]  ? graph_lock+0x170/0x170
[  276.281161] (U) 1*256kB 
[  276.283494]  ? print_usage_bug+0xc0/0xc0
[  276.287270] (U) 
[  276.289944]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  276.293983] 0*512kB 
[  276.295968]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.300698] 1*1024kB 
[  276.303025]  ? check_preemption_disabled+0x48/0x200
[  276.308530] (U) 
[  276.310936]  ? check_preemption_disabled+0x48/0x200
[  276.315929] 1*2048kB 
[  276.317919]  ? __lock_is_held+0xb5/0x140
[  276.322928] (M) 
[  276.325339]  __alloc_pages_nodemask+0xa80/0xde0
[  276.329369] 3*4096kB (M) 
[  276.331352]  ? graph_lock+0x170/0x170
[  276.335990] = 15908kB
[  276.335998] Node 0 
[  276.338750]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  276.342520] DMA32: 3*4kB 
[  276.344935]  ? graph_lock+0x170/0x170
[  276.347180] (UM) 
[  276.352194]  ? find_held_lock+0x36/0x1c0
[  276.354951] 1*8kB 
[  276.358753]  ? ____cache_alloc_node+0x1c7/0x1e0
[  276.360790] (U) 
[  276.364844]  ? lock_downgrade+0x900/0x900
[  276.366982] 4*16kB (UM) 
[  276.371657]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.373604] 2*32kB (UM) 
[  276.377764]  cache_grow_begin+0x91/0x8c0
[  276.380419] 3*64kB (UM) 
[  276.385955]  ? do_raw_spin_unlock+0xa7/0x2f0
[  276.388600] 4*128kB (UM) 
[  276.392665]  fallback_alloc+0x203/0x2e0
[  276.395303] 3*256kB (UM) 
[  276.399729]  ____cache_alloc_node+0x1c7/0x1e0
[  276.402460] 4*512kB (UM) 
[  276.406441]  kmem_cache_alloc_node+0xe3/0x730
[  276.409171] 3*1024kB (M) 
[  276.413676]  ? ipv6_get_ifaddr+0x42e/0x620
[  276.416445] 3*2048kB (UM) 
[  276.420955]  __alloc_skb+0x119/0x770
[  276.423688] 3*4096kB 
[  276.427939]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  276.430753] (M) 
[  276.434465]  ? skb_scrub_packet+0x490/0x490
[  276.436856] = 25172kB
[  276.442136]  ? lock_downgrade+0x900/0x900
[  276.444093] Node 0 
[  276.448434]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.450818] Normal: 979*4kB 
[  276.454971]  ? refcount_sub_and_test_checked+0x203/0x310
[  276.457192] (ME) 
[  276.462814]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  276.465805] 483*8kB (UME) 
[  276.471281]  ? addrconf_rs_timer+0x6f0/0x6f0
[  276.473320] 201*16kB (ME) 
[  276.478783]  ndisc_alloc_skb+0x144/0x340
[  276.481596] 59*32kB 
[  276.486002]  ndisc_send_rs+0x331/0x6e0
[  276.488822] (UME) 
[  276.492891]  addrconf_rs_timer+0x3c0/0x6f0
[  276.495183] 15*64kB (UM) 
[  276.499079]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  276.501204] 0*128kB 0*256kB 
[  276.505467]  call_timer_fn+0x272/0x920
[  276.508194] 0*512kB 
[  276.512422]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  276.512438]  ? process_timeout+0x40/0x40
[  276.515437] 0*1024kB 
[  276.519322]  ? find_held_lock+0x36/0x1c0
[  276.521644] 0*2048kB 0*4096kB 
[  276.525888]  ? __run_timers+0x7da/0xc70
[  276.529917] = 13844kB
[  276.529932] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  276.532338]  ? _raw_spin_unlock_irq+0x27/0x80
[  276.536379] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  276.539569]  ? _raw_spin_unlock_irq+0x27/0x80
[  276.543521] 1697 total pagecache pages
[  276.545927]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  276.554764] 0 pages in swap cache
[  276.559249]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  276.567806] Swap cache stats: add 0, delete 0, find 0/0
[  276.572308]  ? trace_hardirqs_on+0xbd/0x310
[  276.576174] Free swap  = 0kB
[  276.580412]  ? kasan_check_read+0x11/0x20
[  276.583849] Total swap = 0kB
[  276.588434]  ? __run_timers+0x7da/0xc70
[  276.593776] 1965979 pages RAM
[  276.598110]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  276.601093] 0 pages HighMem/MovableOnly
[  276.601103] 342744 pages reserved
[  276.605253]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  276.608238] 0 pages cma reserved
[  276.608338] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  276.612217]  __run_timers+0x7e5/0xc70
[  276.615412] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  276.620779]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  276.624727] ksoftirqd/0 cpuset=
[  276.628180]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  276.632394] /
[  276.635782]  ? rcu_bh_qs+0xc0/0xc0
[  276.642255]  mems_allowed=0
[  276.646070]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.683949]  ? check_preemption_disabled+0x48/0x200
[  276.688978]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  276.693750]  ? retint_kernel+0x2d/0x2d
[  276.697641]  ? trace_hardirqs_on_caller+0xc0/0x300
[  276.702575]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  276.707336]  ? trace_hardirqs_off_caller+0x300/0x300
[  276.712445]  ? check_preemption_disabled+0x48/0x200
[  276.717478]  ? graph_lock+0x170/0x170
[  276.721299]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.726836]  ? check_preemption_disabled+0x48/0x200
[  276.731866]  ? __lock_is_held+0xb5/0x140
[  276.735941]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.741497]  ? check_preemption_disabled+0x48/0x200
[  276.746527]  run_timer_softirq+0x52/0xb0
[  276.750589]  ? rcu_read_lock_sched_held+0x108/0x120
[  276.755608]  __do_softirq+0x30b/0xad8
[  276.759424]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  276.764550]  ? pvclock_read_flags+0x160/0x160
[  276.769059]  ? lapic_next_event+0x5a/0x90
[  276.773206]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.778749]  ? check_preemption_disabled+0x48/0x200
[  276.783781]  ? check_preemption_disabled+0x48/0x200
[  276.788844]  ? kvm_clock_read+0x18/0x30
[  276.792816]  ? kvm_sched_clock_read+0x9/0x20
[  276.797221]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.802759]  ? check_preemption_disabled+0x48/0x200
[  276.807789]  irq_exit+0x17f/0x1c0
[  276.811241]  smp_apic_timer_interrupt+0x1cb/0x760
[  276.816084]  ? smp_reschedule_interrupt+0x109/0x650
[  276.821104]  ? smp_call_function_single_interrupt+0x650/0x650
[  276.826986]  ? interrupt_entry+0xb5/0xf0
[  276.831051]  ? trace_hardirqs_off_caller+0xbb/0x300
[  276.836075]  ? trace_hardirqs_off_caller+0xbb/0x300
[  276.841092]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  276.845948]  ? trace_hardirqs_off+0x300/0x300
[  276.850442]  ? trace_hardirqs_off+0x300/0x300
[  276.854942]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.860508]  ? check_preemption_disabled+0x48/0x200
[  276.865551]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.871096]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  276.875950]  apic_timer_interrupt+0xf/0x20
[  276.880182]  </IRQ>
[  276.882424] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  276.887362] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 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 9a 42
[  276.906273] RSP: 0018:ffff88019cfa7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  276.913995] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  276.921260] RDX: 0000000000000000 RSI: ffff88019d338900 RDI: 0000000000000282
[  276.928530] RBP: ffff88019cfa77b0 R08: ffff88019d338080 R09: 0000000000000000
[  276.935796] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  276.943063] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  276.950370]  skb_clone+0x1bb/0x500
[  276.953937]  ? finish_task_switch+0x2f5/0x900
[  276.958450]  ? skb_split+0x11e0/0x11e0
[  276.962339]  ? preempt_notifier_register+0x200/0x200
[  276.967446]  ? __switch_to_asm+0x34/0x70
[  276.971511]  ? __switch_to_asm+0x34/0x70
[  276.975714]  ? __switch_to_asm+0x40/0x70
[  276.979772]  ? __switch_to_asm+0x34/0x70
[  276.983838]  ? __switch_to_asm+0x40/0x70
[  276.987924]  ? __switch_to_asm+0x34/0x70
[  276.992123]  ? __switch_to_asm+0x40/0x70
[  276.996180]  ? __switch_to_asm+0x34/0x70
[  277.000244]  ? __switch_to_asm+0x34/0x70
[  277.004300]  ? __switch_to_asm+0x40/0x70
[  277.008357]  ? __switch_to_asm+0x34/0x70
[  277.012435]  bpf_clone_redirect+0xb9/0x490
[  277.016673]  ? __schedule+0x874/0x1ed0
[  277.020569]  bpf_prog_bebbfe2050753572+0x482/0x1000
[  277.025588]  ? __sched_text_start+0x8/0x8
[  277.029753]  ? find_held_lock+0x36/0x1c0
[  277.033827]  ? lock_acquire+0x1ed/0x520
[  277.037805]  ? bpf_test_run+0x32e/0x5a0
[  277.041781]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.047709]  ? check_preemption_disabled+0x48/0x200
[  277.052738]  ? kasan_check_read+0x11/0x20
[  277.056904]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  277.062198]  ? rcu_bh_qs+0xc0/0xc0
[  277.065739]  ? preempt_schedule+0x4d/0x60
[  277.069909]  ? ___preempt_schedule+0x16/0x18
[  277.074326]  ? bpf_test_run+0x1c0/0x5a0
[  277.078315]  ? netlink_diag_dump+0x2a0/0x2a0
[  277.082732]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  277.088274]  ? bpf_test_init.isra.9+0x70/0x100
[  277.092863]  ? bpf_prog_test_run_skb+0x634/0xb40
[  277.097805]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  277.102650]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  277.108187]  ? fput+0x130/0x1a0
[  277.111469]  ? __bpf_prog_get+0x9b/0x290
[  277.115535]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  277.120386]  ? bpf_prog_test_run+0x130/0x1a0
[  277.124805]  ? __x64_sys_bpf+0x3d8/0x510
[  277.128869]  ? bpf_prog_get+0x20/0x20
[  277.132691]  ? ksys_ioctl+0x81/0xd0
[  277.136333]  ? do_syscall_64+0x1b9/0x820
[  277.140399]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  277.145769]  ? syscall_return_slowpath+0x5e0/0x5e0
[  277.150704]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  277.156018]  ? trace_hardirqs_off+0x300/0x300
[  277.160545]  ? prepare_exit_to_usermode+0x291/0x3b0
[  277.165571]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  277.170432]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  277.175818] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
[  277.175923] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  277.182579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  277.182585] Call Trace:
[  277.182604]  dump_stack+0x1c4/0x2b4
[  277.182621]  ? dump_stack_print_info.cold.2+0x52/0x52
[  277.182649]  warn_alloc.cold.118+0xb7/0x1bd
[  277.189229] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  277.198483]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  277.201076] syz-executor1 cpuset=
[  277.204714]  ? lock_downgrade+0x900/0x900
[  277.209891] syz1
[  277.214218]  ? trace_hardirqs_off+0xb8/0x300
[  277.224680]  mems_allowed=0
[  277.229515]  ? trace_hardirqs_off+0xb8/0x300
[  277.250764]  __alloc_pages_slowpath+0x2667/0x2d80
[  277.255640]  ? warn_alloc+0x120/0x120
[  277.259451]  ? warn_alloc+0x120/0x120
[  277.263258]  ? print_usage_bug+0xc0/0xc0
[  277.267320]  ? warn_alloc+0x120/0x120
[  277.271124]  ? print_usage_bug+0xc0/0xc0
[  277.275193]  ? __lock_acquire+0x7ec/0x4ec0
[  277.279433]  ? __lock_acquire+0x7ec/0x4ec0
[  277.283674]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  277.289240]  ? should_fail+0x22d/0xd01
[  277.293134]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  277.298274]  ? __lock_acquire+0x7ec/0x4ec0
[  277.302512]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  277.307617]  ? __lock_acquire+0x7ec/0x4ec0
[  277.311851]  ? should_fail+0x22d/0xd01
[  277.315748]  ? mark_held_locks+0x130/0x130
[  277.319992]  ? mark_held_locks+0x130/0x130
[  277.324227]  ? graph_lock+0x170/0x170
[  277.328027]  ? graph_lock+0x170/0x170
[  277.331833]  ? graph_lock+0x170/0x170
[  277.335636]  ? print_usage_bug+0xc0/0xc0
[  277.339698]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.345239]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.350781]  ? check_preemption_disabled+0x48/0x200
[  277.355833]  ? check_preemption_disabled+0x48/0x200
[  277.360882]  ? __lock_is_held+0xb5/0x140
[  277.364952]  __alloc_pages_nodemask+0xa80/0xde0
[  277.369624]  ? graph_lock+0x170/0x170
[  277.373433]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  277.378460]  ? graph_lock+0x170/0x170
[  277.382308]  ? find_held_lock+0x36/0x1c0
[  277.386381]  ? ____cache_alloc_node+0x1c7/0x1e0
[  277.391063]  ? lock_downgrade+0x900/0x900
[  277.395219]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.400766]  cache_grow_begin+0x91/0x8c0
[  277.404829]  ? do_raw_spin_unlock+0xa7/0x2f0
[  277.409248]  fallback_alloc+0x203/0x2e0
[  277.413230]  ____cache_alloc_node+0x1c7/0x1e0
[  277.417756]  kmem_cache_alloc_node+0xe3/0x730
[  277.422289]  ? ipv6_get_ifaddr+0x42e/0x620
[  277.426538]  __alloc_skb+0x119/0x770
[  277.430258]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  277.435538]  ? skb_scrub_packet+0x490/0x490
[  277.439861]  ? lock_downgrade+0x900/0x900
[  277.444021]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.449568]  ? refcount_sub_and_test_checked+0x203/0x310
[  277.455022]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  277.460476]  ? addrconf_rs_timer+0x6f0/0x6f0
[  277.464902]  ndisc_alloc_skb+0x144/0x340
[  277.468970]  ndisc_send_rs+0x331/0x6e0
[  277.472864]  addrconf_rs_timer+0x3c0/0x6f0
[  277.477106]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.481396]  call_timer_fn+0x272/0x920
[  277.485294]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.489531]  ? process_timeout+0x40/0x40
[  277.493593]  ? find_held_lock+0x36/0x1c0
[  277.497664]  ? __run_timers+0x7da/0xc70
[  277.501654]  ? _raw_spin_unlock_irq+0x27/0x80
[  277.506151]  ? _raw_spin_unlock_irq+0x27/0x80
[  277.510646]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.514923]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  277.519524]  ? trace_hardirqs_on+0xbd/0x310
[  277.523847]  ? kasan_check_read+0x11/0x20
[  277.527997]  ? __run_timers+0x7da/0xc70
[  277.531972]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  277.537434]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.541692]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.545932]  __run_timers+0x7e5/0xc70
[  277.549760]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  277.555139]  ? compat_start_thread+0x80/0x80
[  277.559554]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.565198]  ? kasan_check_write+0x14/0x20
[  277.569437]  ? finish_task_switch+0x2f5/0x900
[  277.573945]  ? __switch_to_asm+0x40/0x70
[  277.578037]  ? preempt_notifier_register+0x200/0x200
[  277.583140]  ? __switch_to_asm+0x34/0x70
[  277.587209]  ? __switch_to_asm+0x40/0x70
[  277.591266]  ? __switch_to_asm+0x34/0x70
[  277.595324]  ? __switch_to_asm+0x40/0x70
[  277.599382]  ? __switch_to_asm+0x34/0x70
[  277.603460]  ? __switch_to_asm+0x40/0x70
[  277.607545]  ? pvclock_read_flags+0x160/0x160
[  277.612052]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.617591]  ? check_preemption_disabled+0x48/0x200
[  277.622623]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  277.627903]  ? rcu_pm_notify+0xc0/0xc0
[  277.631791]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.637330]  ? check_preemption_disabled+0x48/0x200
[  277.642378]  run_timer_softirq+0x52/0xb0
[  277.646444]  ? rcu_read_lock_sched_held+0x108/0x120
[  277.651466]  __do_softirq+0x30b/0xad8
[  277.655285]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  277.660411]  ? schedule+0x108/0x460
[  277.664047]  ? __schedule+0x1ed0/0x1ed0
[  277.668037]  ? trace_hardirqs_off+0xb8/0x300
[  277.672460]  ? ___might_sleep+0x1ed/0x300
[  277.676629]  ? smpboot_thread_fn+0x68b/0xa00
[  277.681038]  ? trace_hardirqs_on+0x310/0x310
[  277.685465]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  277.691009]  ? check_preemption_disabled+0x48/0x200
[  277.696042]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.701600]  ? takeover_tasklets+0xa90/0xa90
[  277.706032]  run_ksoftirqd+0x94/0x100
[  277.709838]  smpboot_thread_fn+0x68b/0xa00
[  277.714079]  ? sort_range+0x30/0x30
[  277.717716]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  277.722840]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  277.728390]  ? __kthread_parkme+0xfb/0x1a0
[  277.732649]  kthread+0x35a/0x420
[  277.736015]  ? sort_range+0x30/0x30
[  277.739646]  ? kthread_bind+0x40/0x40
[  277.743463]  ret_from_fork+0x3a/0x50
[  277.747216] warn_alloc_show_mem: 1 callbacks suppressed
[  277.747228] CPU: 1 PID: 10110 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
[  277.747230] Mem-Info:
[  277.747260] active_anon:39159 inactive_anon:1633 isolated_anon:0
[  277.747260]  active_file:15 inactive_file:16 isolated_file:0
[  277.747260]  unevictable:0 dirty:0 writeback:0 unstable:0
[  277.747260]  slab_reclaimable:8773 slab_unreclaimable:1470459
[  277.747260]  mapped:49330 shmem:1666 pagetables:630 bounce:0
[  277.747260]  free:13723 free_pcp:275 free_cma:0
[  277.752614] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  277.752623] Call Trace:
[  277.759911] Node 0 active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197320kB dirty:0kB writeback:0kB shmem:6664kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  277.762319]  <IRQ>
[  277.795474] Node 0 
[  277.804833]  dump_stack+0x1c4/0x2b4
[  277.807463] 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
[  277.835110]  ? dump_stack_print_info.cold.2+0x52/0x52
[  277.837237] lowmem_reserve[]:
[  277.839483]  warn_alloc.cold.118+0xb7/0x1bd
[  277.843071]  0 2817
[  277.868586]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  277.873750]  6321
[  277.876854]  ? lock_downgrade+0x900/0x900
[  277.881146]  6321
[  277.883383]  ? trace_hardirqs_off+0xb8/0x300
[  277.890309]  ? trace_hardirqs_off+0xb8/0x300
[  277.894435] Node 0 
[  277.896500]  __alloc_pages_slowpath+0x2667/0x2d80
[  277.900919] DMA32 free:25172kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  277.905332]  ? warn_alloc+0x120/0x120
[  277.907553] lowmem_reserve[]: 0
[  277.912405]  ? trace_hardirqs_on+0x310/0x310
[  277.939125]  0
[  277.942947]  ? warn_alloc+0x120/0x120
[  277.946199]  3503
[  277.950608]  ? print_usage_bug+0xc0/0xc0
[  277.952393]  3503
[  277.956202]  ? warn_alloc+0x120/0x120
[  277.958248] Node 0 
[  277.962321]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  277.964395] Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5408kB pagetables:2520kB bounce:0kB free_pcp:852kB local_pcp:604kB free_cma:0kB
[  277.968161]  ? print_usage_bug+0xc0/0xc0
[  277.970398] lowmem_reserve[]: 0
[  277.975464]  ? __lock_acquire+0x7ec/0x4ec0
[  278.003807]  0 0
[  278.007880]  ? __lock_acquire+0x7ec/0x4ec0
[  278.011184]  0
[  278.015425]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  278.015445]  ? should_fail+0x22d/0xd01
[  278.017415] Node 0 
[  278.021646]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  278.023421] DMA: 1*4kB 
[  278.028979]  ? __lock_acquire+0x7ec/0x4ec0
[  278.032849] (U) 
[  278.035094]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  278.040176] 0*8kB 
[  278.042766]  ? __lock_acquire+0x7ec/0x4ec0
[  278.047460] 0*16kB 1*32kB 
[  278.049443]  ? should_fail+0x22d/0xd01
[  278.054522] (U) 
[  278.056674]  ? print_usage_bug+0xc0/0xc0
[  278.060890] 2*64kB 
[  278.063743]  ? mark_held_locks+0x130/0x130
[  278.067606] (U) 
[  278.069582]  ? mark_held_locks+0x130/0x130
[  278.073622] 1*128kB 
[  278.075867]  ? graph_lock+0x170/0x170
[  278.080072] (U) 
[  278.082047]  ? print_usage_bug+0xc0/0xc0
[  278.086264] 1*256kB (U) 
[  278.088593]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  278.092369] 0*512kB 
[  278.094348]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.098387] 1*1024kB 
[  278.101067]  ? check_preemption_disabled+0x48/0x200
[  278.105797] (U) 
[  278.108127]  ? check_preemption_disabled+0x48/0x200
[  278.113634] 1*2048kB (M) 
[  278.116070]  ? __lock_is_held+0xb5/0x140
[  278.121049] 3*4096kB (M) 
[  278.123035]  __alloc_pages_nodemask+0xa80/0xde0
[  278.128020] = 15908kB
[  278.128042] Node 0 
[  278.130794]  ? graph_lock+0x170/0x170
[  278.134830] DMA32: 3*4kB 
[  278.137595]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  278.142254] (UM) 
[  278.144676]  ? graph_lock+0x170/0x170
[  278.146918] 1*8kB 
[  278.150721]  ? find_held_lock+0x36/0x1c0
[  278.153450] (U) 
[  278.158470]  ? ____cache_alloc_node+0x1c7/0x1e0
[  278.160515] 4*16kB 
[  278.164323]  ? lock_downgrade+0x900/0x900
[  278.166451] (UM) 
[  278.170515]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.172469] 2*32kB 
[  278.177130]  cache_grow_begin+0x91/0x8c0
[  278.179343] (UM) 
[  278.183489]  ? do_raw_spin_unlock+0xa7/0x2f0
[  278.185536] 3*64kB 
[  278.191070]  fallback_alloc+0x203/0x2e0
[  278.193284] (UM) 
[  278.197346]  ____cache_alloc_node+0x1c7/0x1e0
[  278.199402] 4*128kB 
[  278.203824]  kmem_cache_alloc_node+0xe3/0x730
[  278.206035] (UM) 
[  278.210009]  ? ipv6_get_ifaddr+0x42e/0x620
[  278.212043] 3*256kB (UM) 
[  278.216544]  __alloc_skb+0x119/0x770
[  278.218839] 4*512kB 
[  278.223337]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  278.225374] (UM) 3*1024kB 
[  278.229631]  ? skb_scrub_packet+0x490/0x490
[  278.232364] (M) 
[  278.236069]  ? lock_downgrade+0x900/0x900
[  278.238369] 3*2048kB (UM) 
[  278.243654]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.246496] 3*4096kB 
[  278.250812]  ? refcount_sub_and_test_checked+0x203/0x310
[  278.252783] (M) 
[  278.256933]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  278.259760] = 25172kB
[  278.265293]  ? addrconf_rs_timer+0x6f0/0x6f0
[  278.267679] Node 0 
[  278.273129]  ndisc_alloc_skb+0x144/0x340
[  278.275072] Normal: 979*4kB 
[  278.280527]  ndisc_send_rs+0x331/0x6e0
[  278.282918] (ME) 
[  278.287338]  addrconf_rs_timer+0x3c0/0x6f0
[  278.289547] 483*8kB (UME) 
[  278.293609]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  278.296598] 201*16kB (ME) 
[  278.300506]  call_timer_fn+0x272/0x920
[  278.302537] 59*32kB 
[  278.306776]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  278.309598] (UME) 
[  278.313827]  ? process_timeout+0x40/0x40
[  278.316643] 15*64kB (UM) 
[  278.320560]  ? find_held_lock+0x36/0x1c0
[  278.322861] 0*128kB 0*256kB 
[  278.327123]  ? __run_timers+0x7da/0xc70
[  278.329248] 0*512kB 
[  278.333302]  ? _raw_spin_unlock_irq+0x27/0x80
[  278.336039] 0*1024kB 
[  278.340096]  ? _raw_spin_unlock_irq+0x27/0x80
[  278.343099] 0*2048kB 0*4096kB 
[  278.347094]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  278.349421] = 13844kB
[  278.349448] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  278.353939]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  278.356353] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  278.360842]  ? trace_hardirqs_on+0xbd/0x310
[  278.364009] 1697 total pagecache pages
[  278.368250]  ? kasan_check_read+0x11/0x20
[  278.370653] 0 pages in swap cache
[  278.379483]  ? __run_timers+0x7da/0xc70
[  278.384046] Swap cache stats: add 0, delete 0, find 0/0
[  278.392629]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  278.396944] Free swap  = 0kB
[  278.400829]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  278.404958] Total swap = 0kB
[  278.408411]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  278.412390] 1965979 pages RAM
[  278.417745]  __run_timers+0x7e5/0xc70
[  278.423186] 0 pages HighMem/MovableOnly
[  278.426223]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  278.430422] 342744 pages reserved
[  278.433445]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  278.437664] 0 pages cma reserved
[  278.440768]  ? rcu_bh_qs+0xc0/0xc0
[  278.444634] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  278.448522]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.448553]  ? check_preemption_disabled+0x48/0x200
[  278.448583]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  278.453985] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  278.457373]  ? retint_kernel+0x2d/0x2d
[  278.462634] ksoftirqd/0 cpuset=
[  278.466010]  ? trace_hardirqs_on_caller+0xc0/0x300
[  278.469531] /
[  278.476038]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  278.481552]  mems_allowed=0
[  278.486570]  ? trace_hardirqs_off_caller+0x300/0x300
[  278.528237]  ? check_preemption_disabled+0x48/0x200
[  278.533261]  ? graph_lock+0x170/0x170
[  278.537072]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.542613]  ? check_preemption_disabled+0x48/0x200
[  278.547643]  ? __lock_is_held+0xb5/0x140
[  278.551707]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.557249]  ? check_preemption_disabled+0x48/0x200
[  278.562284]  run_timer_softirq+0x52/0xb0
[  278.566361]  ? rcu_read_lock_sched_held+0x108/0x120
[  278.571385]  __do_softirq+0x30b/0xad8
[  278.575201]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  278.580327]  ? pvclock_read_flags+0x160/0x160
[  278.584826]  ? lapic_next_event+0x5a/0x90
[  278.588971]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.594507]  ? check_preemption_disabled+0x48/0x200
[  278.599537]  ? check_preemption_disabled+0x48/0x200
[  278.604575]  ? kvm_clock_read+0x18/0x30
[  278.608557]  ? kvm_sched_clock_read+0x9/0x20
[  278.612981]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.618527]  ? check_preemption_disabled+0x48/0x200
[  278.623564]  irq_exit+0x17f/0x1c0
[  278.627024]  smp_apic_timer_interrupt+0x1cb/0x760
[  278.631881]  ? smp_reschedule_interrupt+0x109/0x650
[  278.636929]  ? smp_call_function_single_interrupt+0x650/0x650
[  278.642813]  ? interrupt_entry+0xb5/0xf0
[  278.646881]  ? trace_hardirqs_off_caller+0xbb/0x300
[  278.651935]  ? trace_hardirqs_off_caller+0xbb/0x300
[  278.656981]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  278.661824]  ? trace_hardirqs_off+0x300/0x300
[  278.666331]  ? trace_hardirqs_off+0x300/0x300
[  278.670829]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.676370]  ? check_preemption_disabled+0x48/0x200
[  278.681389]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.686941]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  278.691796]  apic_timer_interrupt+0xf/0x20
[  278.696025]  </IRQ>
[  278.698271] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  278.703235] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 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 9a 42
[  278.722153] RSP: 0018:ffff88019cfa7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  278.729863] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  278.737129] RDX: 0000000000000000 RSI: ffff88019d338900 RDI: 0000000000000282
[  278.744401] RBP: ffff88019cfa77b0 R08: ffff88019d338080 R09: 0000000000000000
[  278.751670] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  278.758944] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  278.766259]  skb_clone+0x1bb/0x500
[  278.769814]  ? finish_task_switch+0x2f5/0x900
[  278.774316]  ? skb_split+0x11e0/0x11e0
[  278.778212]  ? preempt_notifier_register+0x200/0x200
[  278.783338]  ? __switch_to_asm+0x34/0x70
[  278.787428]  ? __switch_to_asm+0x34/0x70
[  278.791499]  ? __switch_to_asm+0x40/0x70
[  278.795559]  ? __switch_to_asm+0x34/0x70
[  278.799654]  ? __switch_to_asm+0x40/0x70
[  278.803716]  ? __switch_to_asm+0x34/0x70
[  278.807777]  ? __switch_to_asm+0x40/0x70
[  278.811837]  ? __switch_to_asm+0x34/0x70
[  278.815936]  ? __switch_to_asm+0x34/0x70
[  278.819999]  ? __switch_to_asm+0x40/0x70
[  278.824058]  ? __switch_to_asm+0x34/0x70
[  278.828142]  bpf_clone_redirect+0xb9/0x490
[  278.832382]  ? __schedule+0x874/0x1ed0
[  278.836290]  bpf_prog_bebbfe2050753572+0x482/0x1000
[  278.841335]  ? __sched_text_start+0x8/0x8
[  278.845502]  ? find_held_lock+0x36/0x1c0
[  278.849575]  ? lock_acquire+0x1ed/0x520
[  278.853588]  ? bpf_test_run+0x32e/0x5a0
[  278.857569]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.863113]  ? check_preemption_disabled+0x48/0x200
[  278.868139]  ? kasan_check_read+0x11/0x20
[  278.872292]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  278.877576]  ? rcu_bh_qs+0xc0/0xc0
[  278.881122]  ? preempt_schedule+0x4d/0x60
[  278.885300]  ? ___preempt_schedule+0x16/0x18
[  278.889732]  ? bpf_test_run+0x1c0/0x5a0
[  278.893720]  ? netlink_diag_dump+0x2a0/0x2a0
[  278.898133]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  278.903671]  ? bpf_test_init.isra.9+0x70/0x100
[  278.908262]  ? bpf_prog_test_run_skb+0x634/0xb40
[  278.913026]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  278.917869]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  278.923405]  ? fput+0x130/0x1a0
[  278.926702]  ? __bpf_prog_get+0x9b/0x290
[  278.930768]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  278.935615]  ? bpf_prog_test_run+0x130/0x1a0
[  278.940030]  ? __x64_sys_bpf+0x3d8/0x510
[  278.944112]  ? bpf_prog_get+0x20/0x20
[  278.947927]  ? ksys_ioctl+0x81/0xd0
[  278.951576]  ? do_syscall_64+0x1b9/0x820
[  278.955668]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  278.961056]  ? syscall_return_slowpath+0x5e0/0x5e0
[  278.965995]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  278.970843]  ? trace_hardirqs_off+0x300/0x300
[  278.975346]  ? prepare_exit_to_usermode+0x291/0x3b0
[  278.980373]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  278.985228]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  278.990611] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
[  278.990701] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  278.997372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  278.997386] Call Trace:
[  278.997412]  dump_stack+0x1c4/0x2b4
[  278.997429]  ? dump_stack_print_info.cold.2+0x52/0x52
[  279.003987] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  279.013286]  warn_alloc.cold.118+0xb7/0x1bd
[  279.015877] syz-executor1 cpuset=
[  279.019501]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  279.024668] syz1
[  279.035163]  ? lock_downgrade+0x900/0x900
[  279.039470]  mems_allowed=0
[  279.042935]  ? trace_hardirqs_off+0xb8/0x300
[  279.061431]  ? trace_hardirqs_off+0xb8/0x300
[  279.065848]  __alloc_pages_slowpath+0x2667/0x2d80
[  279.070718]  ? warn_alloc+0x120/0x120
[  279.074524]  ? warn_alloc+0x120/0x120
[  279.078328]  ? print_usage_bug+0xc0/0xc0
[  279.082400]  ? warn_alloc+0x120/0x120
[  279.086211]  ? print_usage_bug+0xc0/0xc0
[  279.090277]  ? __lock_acquire+0x7ec/0x4ec0
[  279.094511]  ? __lock_acquire+0x7ec/0x4ec0
[  279.098754]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  279.104309]  ? should_fail+0x22d/0xd01
[  279.108203]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  279.113310]  ? __lock_acquire+0x7ec/0x4ec0
[  279.117551]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  279.122652]  ? __lock_acquire+0x7ec/0x4ec0
[  279.126895]  ? should_fail+0x22d/0xd01
[  279.130795]  ? mark_held_locks+0x130/0x130
[  279.135052]  ? mark_held_locks+0x130/0x130
[  279.139336]  ? graph_lock+0x170/0x170
[  279.143158]  ? graph_lock+0x170/0x170
[  279.146978]  ? graph_lock+0x170/0x170
[  279.150830]  ? print_usage_bug+0xc0/0xc0
[  279.155038]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.160583]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.166162]  ? check_preemption_disabled+0x48/0x200
[  279.171203]  ? check_preemption_disabled+0x48/0x200
[  279.176231]  ? __lock_is_held+0xb5/0x140
[  279.180308]  __alloc_pages_nodemask+0xa80/0xde0
[  279.184976]  ? graph_lock+0x170/0x170
[  279.188787]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  279.193814]  ? graph_lock+0x170/0x170
[  279.197631]  ? find_held_lock+0x36/0x1c0
[  279.201705]  ? ____cache_alloc_node+0x1c7/0x1e0
[  279.206389]  ? lock_downgrade+0x900/0x900
[  279.210557]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.216103]  cache_grow_begin+0x91/0x8c0
[  279.220165]  ? do_raw_spin_unlock+0xa7/0x2f0
[  279.224581]  fallback_alloc+0x203/0x2e0
[  279.228564]  ____cache_alloc_node+0x1c7/0x1e0
[  279.233068]  kmem_cache_alloc_node+0xe3/0x730
[  279.238175]  ? ipv6_get_ifaddr+0x42e/0x620
[  279.242428]  __alloc_skb+0x119/0x770
[  279.246144]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  279.251448]  ? skb_scrub_packet+0x490/0x490
[  279.255770]  ? lock_downgrade+0x900/0x900
[  279.259924]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.265463]  ? refcount_sub_and_test_checked+0x203/0x310
[  279.270916]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  279.276367]  ? addrconf_rs_timer+0x6f0/0x6f0
[  279.280802]  ndisc_alloc_skb+0x144/0x340
[  279.284881]  ndisc_send_rs+0x331/0x6e0
[  279.288775]  addrconf_rs_timer+0x3c0/0x6f0
[  279.293015]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  279.297265]  call_timer_fn+0x272/0x920
[  279.301160]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  279.305402]  ? process_timeout+0x40/0x40
[  279.309470]  ? find_held_lock+0x36/0x1c0
[  279.313543]  ? __run_timers+0x7da/0xc70
[  279.317521]  ? _raw_spin_unlock_irq+0x27/0x80
[  279.322011]  ? _raw_spin_unlock_irq+0x27/0x80
[  279.326507]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  279.330753]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  279.335338]  ? trace_hardirqs_on+0xbd/0x310
[  279.339657]  ? kasan_check_read+0x11/0x20
[  279.343800]  ? __run_timers+0x7da/0xc70
[  279.347771]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  279.353223]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  279.357464]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  279.361700]  __run_timers+0x7e5/0xc70
[  279.365516]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  279.370874]  ? compat_start_thread+0x80/0x80
[  279.375282]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.380824]  ? kasan_check_write+0x14/0x20
[  279.385058]  ? finish_task_switch+0x2f5/0x900
[  279.389549]  ? __switch_to_asm+0x40/0x70
[  279.393615]  ? preempt_notifier_register+0x200/0x200
[  279.398720]  ? __switch_to_asm+0x34/0x70
[  279.402774]  ? __switch_to_asm+0x40/0x70
[  279.406832]  ? __switch_to_asm+0x34/0x70
[  279.410890]  ? __switch_to_asm+0x40/0x70
[  279.414951]  ? __switch_to_asm+0x34/0x70
[  279.419009]  ? __switch_to_asm+0x40/0x70
[  279.423094]  ? pvclock_read_flags+0x160/0x160
[  279.427599]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.433142]  ? check_preemption_disabled+0x48/0x200
[  279.438185]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  279.443474]  ? rcu_pm_notify+0xc0/0xc0
[  279.447362]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.452900]  ? check_preemption_disabled+0x48/0x200
[  279.457926]  run_timer_softirq+0x52/0xb0
[  279.461990]  ? rcu_read_lock_sched_held+0x108/0x120
[  279.467008]  __do_softirq+0x30b/0xad8
[  279.470820]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  279.475959]  ? schedule+0x108/0x460
[  279.479601]  ? __schedule+0x1ed0/0x1ed0
[  279.483580]  ? trace_hardirqs_off+0xb8/0x300
[  279.487993]  ? ___might_sleep+0x1ed/0x300
[  279.492134]  ? smpboot_thread_fn+0x68b/0xa00
[  279.496542]  ? trace_hardirqs_on+0x310/0x310
[  279.500967]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  279.506508]  ? check_preemption_disabled+0x48/0x200
[  279.511524]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.517064]  ? takeover_tasklets+0xa90/0xa90
[  279.521476]  run_ksoftirqd+0x94/0x100
[  279.525277]  smpboot_thread_fn+0x68b/0xa00
[  279.529518]  ? sort_range+0x30/0x30
[  279.533178]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  279.538292]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  279.543841]  ? __kthread_parkme+0xfb/0x1a0
[  279.548121]  kthread+0x35a/0x420
[  279.551500]  ? sort_range+0x30/0x30
[  279.555148]  ? kthread_bind+0x40/0x40
[  279.558946]  ret_from_fork+0x3a/0x50
[  279.562693] CPU: 1 PID: 10110 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
[  279.562699] warn_alloc_show_mem: 1 callbacks suppressed
[  279.562719] Mem-Info:
[  279.569998] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  279.575387] active_anon:39159 inactive_anon:1633 isolated_anon:0
[  279.575387]  active_file:15 inactive_file:16 isolated_file:0
[  279.575387]  unevictable:0 dirty:0 writeback:0 unstable:0
[  279.575387]  slab_reclaimable:8773 slab_unreclaimable:1470459
[  279.575387]  mapped:49330 shmem:1666 pagetables:630 bounce:0
[  279.575387]  free:13723 free_pcp:275 free_cma:0
[  279.577765] Call Trace:
[  279.587154] Node 0 active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197320kB dirty:0kB writeback:0kB shmem:6664kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  279.620168]  <IRQ>
[  279.622736] Node 0 
[  279.650426]  dump_stack+0x1c4/0x2b4
[  279.652580] 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
[  279.654816]  ? dump_stack_print_info.cold.2+0x52/0x52
[  279.658417] lowmem_reserve[]: 0
[  279.683941]  warn_alloc.cold.118+0xb7/0x1bd
[  279.689092]  2817
[  279.692363]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  279.696658]  6321
[  279.698739]  ? lock_downgrade+0x900/0x900
[  279.703549]  6321
[  279.705624]  ? trace_hardirqs_off+0xb8/0x300
[  279.709745] Node 0 
[  279.711807]  ? trace_hardirqs_off+0xb8/0x300
[  279.716211] DMA32 free:25172kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  279.718429]  __alloc_pages_slowpath+0x2667/0x2d80
[  279.722814] lowmem_reserve[]:
[  279.749563]  ? warn_alloc+0x120/0x120
[  279.754353]  0 0
[  279.757473]  ? warn_alloc+0x120/0x120
[  279.761246]  3503
[  279.763226]  ? print_usage_bug+0xc0/0xc0
[  279.766993]  3503
[  279.769054]  ? warn_alloc+0x120/0x120
[  279.773089] Node 0 
[  279.775146]  ? print_usage_bug+0xc0/0xc0
[  279.778963] Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5408kB pagetables:2520kB bounce:0kB free_pcp:852kB local_pcp:604kB free_cma:0kB
[  279.781171]  ? __lock_acquire+0x7ec/0x4ec0
[  279.785211] lowmem_reserve[]:
[  279.813583]  ? __lock_acquire+0x7ec/0x4ec0
[  279.817789]  0 0
[  279.820922]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  279.825117]  0 0
[  279.827101]  ? should_fail+0x22d/0xd01
[  279.834580]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  279.838445] Node 0 
[  279.843542]  ? __lock_acquire+0x7ec/0x4ec0
[  279.843545] DMA: 1*4kB 
[  279.845782]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  279.850013] (U) 
[  279.852591]  ? __lock_acquire+0x7ec/0x4ec0
[  279.857666] 0*8kB 
[  279.859645]  ? should_fail+0x22d/0xd01
[  279.863862] 0*16kB 1*32kB 
[  279.866019]  ? mark_held_locks+0x130/0x130
[  279.869873] (U) 
[  279.872711]  ? mark_held_locks+0x130/0x130
[  279.876932] 2*64kB 
[  279.878926]  ? graph_lock+0x170/0x170
[  279.883128] (U) 
[  279.885354]  ? graph_lock+0x170/0x170
[  279.889125] 1*128kB (U) 
[  279.891100]  ? graph_lock+0x170/0x170
[  279.894878] 1*256kB 
[  279.897551]  ? print_usage_bug+0xc0/0xc0
[  279.901338] (U) 
[  279.903667]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.907751] 0*512kB 
[  279.909731]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.915243] 1*1024kB 
[  279.917576]  ? check_preemption_disabled+0x48/0x200
[  279.923085] (U) 
[  279.925493]  ? check_preemption_disabled+0x48/0x200
[  279.930487] 1*2048kB 
[  279.932493]  ? __lock_is_held+0xb5/0x140
[  279.937469] (M) 
[  279.939876]  __alloc_pages_nodemask+0xa80/0xde0
[  279.943924] 3*4096kB 
[  279.945897]  ? graph_lock+0x170/0x170
[  279.950542] (M) 
[  279.952946]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  279.956717] = 15908kB
[  279.956726] Node 0 
[  279.958711]  ? graph_lock+0x170/0x170
[  279.963703] DMA32: 
[  279.966118]  ? find_held_lock+0x36/0x1c0
[  279.968328] 3*4kB 
[  279.972142]  ? ____cache_alloc_node+0x1c7/0x1e0
[  279.974351] (UM) 
[  279.978413]  ? lock_downgrade+0x900/0x900
[  279.980550] 1*8kB (U) 
[  279.985221]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.987259] 4*16kB 
[  279.991404]  cache_grow_begin+0x91/0x8c0
[  279.993883] (UM) 
[  279.999415]  ? do_raw_spin_unlock+0xa7/0x2f0
[  280.001629] 2*32kB (UM) 
[  280.005715]  fallback_alloc+0x203/0x2e0
[  280.007754] 3*64kB 
[  280.012202]  ____cache_alloc_node+0x1c7/0x1e0
[  280.014843] (UM) 
[  280.018810]  kmem_cache_alloc_node+0xe3/0x730
[  280.021020] 4*128kB 
[  280.025762]  ? ipv6_get_ifaddr+0x42e/0x620
[  280.027798] (UM) 
[  280.032289]  __alloc_skb+0x119/0x770
[  280.034584] 3*256kB 
[  280.038812]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  280.040845] (UM) 
[  280.044549]  ? skb_scrub_packet+0x490/0x490
[  280.046845] 4*512kB 
[  280.052110]  ? lock_downgrade+0x900/0x900
[  280.054150] (UM) 
[  280.058483]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.060786] 3*1024kB 
[  280.064929]  ? refcount_sub_and_test_checked+0x203/0x310
[  280.066965] (M) 
[  280.072493]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  280.074875] 3*2048kB (UM) 
[  280.080330]  ? addrconf_rs_timer+0x6f0/0x6f0
[  280.082278] 3*4096kB (M) 
[  280.087734]  ndisc_alloc_skb+0x144/0x340
[  280.090557] = 25172kB
[  280.090566] Node 0 
[  280.094970]  ndisc_send_rs+0x331/0x6e0
[  280.097703] Normal: 
[  280.101761]  addrconf_rs_timer+0x3c0/0x6f0
[  280.104147] 979*4kB 
[  280.106388]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  280.110241] (ME) 
[  280.112565]  call_timer_fn+0x272/0x920
[  280.116760] 483*8kB (UME) 
[  280.119083]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  280.123296] 201*16kB 
[  280.125354]  ? process_timeout+0x40/0x40
[  280.129213] (ME) 
[  280.132060]  ? find_held_lock+0x36/0x1c0
[  280.136264] 59*32kB (UME) 
[  280.138681]  ? __run_timers+0x7da/0xc70
[  280.142728] 15*64kB 
[  280.144786]  ? _raw_spin_unlock_irq+0x27/0x80
[  280.148821] (UM) 
[  280.151660]  ? _raw_spin_unlock_irq+0x27/0x80
[  280.155608] 0*128kB 0*256kB 
[  280.157943]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  280.162420] 0*512kB 
[  280.164477]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  280.168952] 0*1024kB 
[  280.171966]  ? trace_hardirqs_on+0xbd/0x310
[  280.176183] 0*2048kB 
[  280.178506]  ? kasan_check_read+0x11/0x20
[  280.183062] 0*4096kB 
[  280.185466]  ? __run_timers+0x7da/0xc70
[  280.189767] = 13844kB
[  280.192173]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  280.196306] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  280.198709]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  280.202665] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  280.205067]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  280.210496] 1697 total pagecache pages
[  280.219338]  __run_timers+0x7e5/0xc70
[  280.223553] 0 pages in swap cache
[  280.232125]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  280.236334] Swap cache stats: add 0, delete 0, find 0/0
[  280.240237]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  280.244009] Free swap  = 0kB
[  280.247467]  ? rcu_bh_qs+0xc0/0xc0
[  280.252802] Total swap = 0kB
[  280.252811] 1965979 pages RAM
[  280.258168]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.263423] 0 pages HighMem/MovableOnly
[  280.263432] 342744 pages reserved
[  280.266448]  ? check_preemption_disabled+0x48/0x200
[  280.269960] 0 pages cma reserved
[  280.273004]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  280.276176] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  280.281610]  ? retint_kernel+0x2d/0x2d
[  280.281625]  ? trace_hardirqs_on_caller+0xc0/0x300
[  280.281643]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  280.285667] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  280.289077]  ? trace_hardirqs_off_caller+0x300/0x300
[  280.294070] ksoftirqd/0 cpuset=
[  280.297437]  ? check_preemption_disabled+0x48/0x200
[  280.302168] /
[  280.308696]  ? graph_lock+0x170/0x170
[  280.312566]  mems_allowed=0
[  280.317500]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.359825]  ? check_preemption_disabled+0x48/0x200
[  280.364853]  ? __lock_is_held+0xb5/0x140
[  280.368932]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.374478]  ? check_preemption_disabled+0x48/0x200
[  280.379498]  run_timer_softirq+0x52/0xb0
[  280.383568]  ? rcu_read_lock_sched_held+0x108/0x120
[  280.388614]  __do_softirq+0x30b/0xad8
[  280.392424]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  280.397538]  ? pvclock_read_flags+0x160/0x160
[  280.402035]  ? lapic_next_event+0x5a/0x90
[  280.406189]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.411727]  ? check_preemption_disabled+0x48/0x200
[  280.416780]  ? check_preemption_disabled+0x48/0x200
[  280.421818]  ? kvm_clock_read+0x18/0x30
[  280.425791]  ? kvm_sched_clock_read+0x9/0x20
[  280.430222]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.435764]  ? check_preemption_disabled+0x48/0x200
[  280.440793]  irq_exit+0x17f/0x1c0
[  280.444252]  smp_apic_timer_interrupt+0x1cb/0x760
[  280.449096]  ? smp_reschedule_interrupt+0x109/0x650
[  280.454123]  ? smp_call_function_single_interrupt+0x650/0x650
[  280.460010]  ? interrupt_entry+0xb5/0xf0
[  280.464074]  ? trace_hardirqs_off_caller+0xbb/0x300
[  280.469100]  ? trace_hardirqs_off_caller+0xbb/0x300
[  280.474150]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  280.479006]  ? trace_hardirqs_off+0x300/0x300
[  280.483516]  ? trace_hardirqs_off+0x300/0x300
[  280.488014]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.493559]  ? check_preemption_disabled+0x48/0x200
[  280.498573]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.504119]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  280.508972]  apic_timer_interrupt+0xf/0x20
[  280.513651]  </IRQ>
[  280.515894] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  280.520865] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 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 9a 42
[  280.539815] RSP: 0018:ffff88019cfa7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  280.547525] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  280.554915] RDX: 0000000000000000 RSI: ffff88019d338900 RDI: 0000000000000282
[  280.562193] RBP: ffff88019cfa77b0 R08: ffff88019d338080 R09: 0000000000000000
[  280.569469] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  280.576750] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  280.584053]  skb_clone+0x1bb/0x500
[  280.587594]  ? finish_task_switch+0x2f5/0x900
[  280.592091]  ? skb_split+0x11e0/0x11e0
[  280.595982]  ? preempt_notifier_register+0x200/0x200
[  280.601088]  ? __switch_to_asm+0x34/0x70
[  280.605151]  ? __switch_to_asm+0x34/0x70
[  280.609324]  ? __switch_to_asm+0x40/0x70
[  280.613683]  ? __switch_to_asm+0x34/0x70
[  280.617755]  ? __switch_to_asm+0x40/0x70
[  280.621815]  ? __switch_to_asm+0x34/0x70
[  280.625877]  ? __switch_to_asm+0x40/0x70
[  280.629940]  ? __switch_to_asm+0x34/0x70
[  280.633998]  ? __switch_to_asm+0x34/0x70
[  280.638056]  ? __switch_to_asm+0x40/0x70
[  280.642114]  ? __switch_to_asm+0x34/0x70
[  280.646182]  bpf_clone_redirect+0xb9/0x490
[  280.650435]  ? __schedule+0x874/0x1ed0
[  280.654328]  bpf_prog_bebbfe2050753572+0x482/0x1000
[  280.659359]  ? __sched_text_start+0x8/0x8
[  280.663548]  ? find_held_lock+0x36/0x1c0
[  280.667616]  ? lock_acquire+0x1ed/0x520
[  280.671590]  ? bpf_test_run+0x32e/0x5a0
[  280.675571]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.681124]  ? check_preemption_disabled+0x48/0x200
[  280.686169]  ? kasan_check_read+0x11/0x20
[  280.690357]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  280.695643]  ? rcu_bh_qs+0xc0/0xc0
[  280.699190]  ? preempt_schedule+0x4d/0x60
[  280.703341]  ? ___preempt_schedule+0x16/0x18
[  280.707759]  ? bpf_test_run+0x1c0/0x5a0
[  280.711749]  ? netlink_diag_dump+0x2a0/0x2a0
[  280.716164]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  280.721705]  ? bpf_test_init.isra.9+0x70/0x100
[  280.726292]  ? bpf_prog_test_run_skb+0x634/0xb40
[  280.731089]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  280.735940]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  280.741858]  ? fput+0x130/0x1a0
[  280.745144]  ? __bpf_prog_get+0x9b/0x290
[  280.749208]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  280.754059]  ? bpf_prog_test_run+0x130/0x1a0
[  280.758472]  ? __x64_sys_bpf+0x3d8/0x510
[  280.762539]  ? bpf_prog_get+0x20/0x20
[  280.766389]  ? ksys_ioctl+0x81/0xd0
[  280.770029]  ? do_syscall_64+0x1b9/0x820
[  280.774097]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  280.779466]  ? syscall_return_slowpath+0x5e0/0x5e0
[  280.784405]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  280.789255]  ? trace_hardirqs_off+0x300/0x300
[  280.793758]  ? prepare_exit_to_usermode+0x291/0x3b0
[  280.798781]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  280.803648]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  280.809082] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
[  280.809181] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  280.815845] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  280.815854] Call Trace:
[  280.822462] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  280.831688]  dump_stack+0x1c4/0x2b4
[  280.834251] syz-executor1 cpuset=
[  280.844729]  ? dump_stack_print_info.cold.2+0x52/0x52
[  280.848350] syz1
[  280.851808]  warn_alloc.cold.118+0xb7/0x1bd
[  280.856968]  mems_allowed=0
[  280.858953]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  280.871009]  ? lock_downgrade+0x900/0x900
[  280.875164]  ? trace_hardirqs_off+0xb8/0x300
[  280.879578]  ? trace_hardirqs_off+0xb8/0x300
[  280.883994]  __alloc_pages_slowpath+0x2667/0x2d80
[  280.888880]  ? warn_alloc+0x120/0x120
[  280.892688]  ? warn_alloc+0x120/0x120
[  280.896494]  ? print_usage_bug+0xc0/0xc0
[  280.900554]  ? warn_alloc+0x120/0x120
[  280.904366]  ? print_usage_bug+0xc0/0xc0
[  280.908443]  ? __lock_acquire+0x7ec/0x4ec0
[  280.912676]  ? __lock_acquire+0x7ec/0x4ec0
[  280.916928]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  280.922470]  ? should_fail+0x22d/0xd01
[  280.926364]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  280.931468]  ? __lock_acquire+0x7ec/0x4ec0
[  280.935709]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  280.940809]  ? __lock_acquire+0x7ec/0x4ec0
[  280.945036]  ? should_fail+0x22d/0xd01
[  280.948927]  ? mark_held_locks+0x130/0x130
[  280.953159]  ? mark_held_locks+0x130/0x130
[  280.957389]  ? graph_lock+0x170/0x170
[  280.961189]  ? graph_lock+0x170/0x170
[  280.964994]  ? graph_lock+0x170/0x170
[  280.968791]  ? print_usage_bug+0xc0/0xc0
[  280.972877]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.978422]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.983958]  ? check_preemption_disabled+0x48/0x200
[  280.988970]  ? check_preemption_disabled+0x48/0x200
[  280.993993]  ? __lock_is_held+0xb5/0x140
[  280.998071]  __alloc_pages_nodemask+0xa80/0xde0
[  281.002744]  ? graph_lock+0x170/0x170
[  281.006563]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  281.011575]  ? graph_lock+0x170/0x170
[  281.015388]  ? find_held_lock+0x36/0x1c0
[  281.019468]  ? ____cache_alloc_node+0x1c7/0x1e0
[  281.024138]  ? lock_downgrade+0x900/0x900
[  281.028295]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.033839]  cache_grow_begin+0x91/0x8c0
[  281.037901]  ? do_raw_spin_unlock+0xa7/0x2f0
[  281.042333]  fallback_alloc+0x203/0x2e0
[  281.046829]  ____cache_alloc_node+0x1c7/0x1e0
[  281.051332]  kmem_cache_alloc_node+0xe3/0x730
[  281.055828]  ? ipv6_get_ifaddr+0x42e/0x620
[  281.060073]  __alloc_skb+0x119/0x770
[  281.063788]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  281.069070]  ? skb_scrub_packet+0x490/0x490
[  281.073400]  ? lock_downgrade+0x900/0x900
[  281.077562]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.083098]  ? refcount_sub_and_test_checked+0x203/0x310
[  281.088553]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  281.094006]  ? addrconf_rs_timer+0x6f0/0x6f0
[  281.098434]  ndisc_alloc_skb+0x144/0x340
[  281.102509]  ndisc_send_rs+0x331/0x6e0
[  281.106420]  addrconf_rs_timer+0x3c0/0x6f0
[  281.111439]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.115689]  call_timer_fn+0x272/0x920
[  281.119576]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.123817]  ? process_timeout+0x40/0x40
[  281.127878]  ? find_held_lock+0x36/0x1c0
[  281.131957]  ? __run_timers+0x7da/0xc70
[  281.135935]  ? _raw_spin_unlock_irq+0x27/0x80
[  281.140443]  ? _raw_spin_unlock_irq+0x27/0x80
[  281.144940]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.149171]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  281.153930]  ? trace_hardirqs_on+0xbd/0x310
[  281.158262]  ? kasan_check_read+0x11/0x20
[  281.162430]  ? __run_timers+0x7da/0xc70
[  281.166410]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  281.171867]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.176108]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.180338]  __run_timers+0x7e5/0xc70
[  281.184159]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  281.189535]  ? compat_start_thread+0x80/0x80
[  281.193971]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.199527]  ? kasan_check_write+0x14/0x20
[  281.203763]  ? finish_task_switch+0x2f5/0x900
[  281.208272]  ? __switch_to_asm+0x40/0x70
[  281.212356]  ? preempt_notifier_register+0x200/0x200
[  281.217470]  ? __switch_to_asm+0x34/0x70
[  281.221528]  ? __switch_to_asm+0x40/0x70
[  281.225587]  ? __switch_to_asm+0x34/0x70
[  281.229653]  ? __switch_to_asm+0x40/0x70
[  281.233710]  ? __switch_to_asm+0x34/0x70
[  281.237769]  ? __switch_to_asm+0x40/0x70
[  281.241843]  ? pvclock_read_flags+0x160/0x160
[  281.246338]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.251891]  ? check_preemption_disabled+0x48/0x200
[  281.256918]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  281.262197]  ? rcu_pm_notify+0xc0/0xc0
[  281.266083]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.271621]  ? check_preemption_disabled+0x48/0x200
[  281.276643]  run_timer_softirq+0x52/0xb0
[  281.280718]  ? rcu_read_lock_sched_held+0x108/0x120
[  281.285737]  __do_softirq+0x30b/0xad8
[  281.289549]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  281.294662]  ? schedule+0x108/0x460
[  281.298294]  ? __schedule+0x1ed0/0x1ed0
[  281.302277]  ? trace_hardirqs_off+0xb8/0x300
[  281.306685]  ? ___might_sleep+0x1ed/0x300
[  281.310841]  ? smpboot_thread_fn+0x68b/0xa00
[  281.315261]  ? trace_hardirqs_on+0x310/0x310
[  281.319667]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  281.325202]  ? check_preemption_disabled+0x48/0x200
[  281.330215]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.335763]  ? takeover_tasklets+0xa90/0xa90
[  281.340175]  run_ksoftirqd+0x94/0x100
[  281.343976]  smpboot_thread_fn+0x68b/0xa00
[  281.348214]  ? sort_range+0x30/0x30
[  281.351837]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  281.356935]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  281.362479]  ? __kthread_parkme+0xfb/0x1a0
[  281.366714]  kthread+0x35a/0x420
[  281.370077]  ? sort_range+0x30/0x30
[  281.373698]  ? kthread_bind+0x40/0x40
[  281.377499]  ret_from_fork+0x3a/0x50
[  281.381232] CPU: 1 PID: 10110 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
[  281.381237] warn_alloc_show_mem: 1 callbacks suppressed
[  281.381244] Mem-Info:
[  281.388533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  281.393901] active_anon:39159 inactive_anon:1633 isolated_anon:0
[  281.393901]  active_file:15 inactive_file:16 isolated_file:0
[  281.393901]  unevictable:0 dirty:0 writeback:0 unstable:0
[  281.393901]  slab_reclaimable:8773 slab_unreclaimable:1470459
[  281.393901]  mapped:49330 shmem:1666 pagetables:630 bounce:0
[  281.393901]  free:13723 free_pcp:275 free_cma:0
[  281.396272] Call Trace:
[  281.405660] Node 0 active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197320kB dirty:0kB writeback:0kB shmem:6664kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  281.438926]  <IRQ>
[  281.441506] Node 0 
[  281.469216]  dump_stack+0x1c4/0x2b4
[  281.471368] 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
[  281.473578]  ? dump_stack_print_info.cold.2+0x52/0x52
[  281.477179] lowmem_reserve[]:
[  281.502687]  warn_alloc.cold.118+0xb7/0x1bd
[  281.507840]  0 2817
[  281.510951]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  281.515246]  6321
[  281.517478]  ? lock_downgrade+0x900/0x900
[  281.522291]  6321
[  281.524390]  ? trace_hardirqs_off+0xb8/0x300
[  281.528513] Node 0 
[  281.530596]  ? trace_hardirqs_off+0xb8/0x300
[  281.535003] DMA32 free:25172kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  281.537227]  __alloc_pages_slowpath+0x2667/0x2d80
[  281.541601] lowmem_reserve[]: 0
[  281.568475]  ? warn_alloc+0x120/0x120
[  281.573278]  0
[  281.576669]  ? trace_hardirqs_on+0x310/0x310
[  281.580447]  3503
[  281.582383]  ? warn_alloc+0x120/0x120
[  281.586786]  3503
[  281.588856]  ? print_usage_bug+0xc0/0xc0
[  281.592634] Node 0 
[  281.594940]  ? warn_alloc+0x120/0x120
[  281.599028] Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5408kB pagetables:2520kB bounce:0kB free_pcp:852kB local_pcp:604kB free_cma:0kB
[  281.601446]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  281.605217] lowmem_reserve[]: 0
[  281.636124]  ? print_usage_bug+0xc0/0xc0
[  281.641119]  0
[  281.644396]  ? __lock_acquire+0x7ec/0x4ec0
[  281.644442]  ? __lock_acquire+0x7ec/0x4ec0
[  281.648475]  0 0
[  281.650285]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  281.654496] Node 0 
[  281.658727]  ? should_fail+0x22d/0xd01
[  281.660681] DMA: 
[  281.666214]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  281.668429] 1*4kB 
[  281.672312]  ? __lock_acquire+0x7ec/0x4ec0
[  281.674366] (U) 
[  281.679484]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  281.681617] 0*8kB 
[  281.685851]  ? __lock_acquire+0x7ec/0x4ec0
[  281.687805] 0*16kB 
[  281.692918]  ? should_fail+0x22d/0xd01
[  281.695049] 1*32kB 
[  281.699275]  ? print_usage_bug+0xc0/0xc0
[  281.701489] (U) 
[  281.705378]  ? mark_held_locks+0x130/0x130
[  281.707593] 2*64kB (U) 
[  281.711662]  ? mark_held_locks+0x130/0x130
[  281.713614] 1*128kB 
[  281.717849]  ? graph_lock+0x170/0x170
[  281.720412] (U) 
[  281.724636]  ? print_usage_bug+0xc0/0xc0
[  281.726930] 1*256kB (U) 
[  281.730741]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  281.732694] 0*512kB 
[  281.736765]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.739420] 1*1024kB 
[  281.744170]  ? check_preemption_disabled+0x48/0x200
[  281.746466] (U) 
[  281.752007]  ? check_preemption_disabled+0x48/0x200
[  281.754402] 1*2048kB 
[  281.759421]  ? __lock_is_held+0xb5/0x140
[  281.761458] (M) 
[  281.766473]  __alloc_pages_nodemask+0xa80/0xde0
[  281.768860] 3*4096kB 
[  281.772940]  ? graph_lock+0x170/0x170
[  281.774893] (M) 
[  281.779584]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  281.781977] = 15908kB
[  281.781999] Node 0 
[  281.785814]  ? graph_lock+0x170/0x170
[  281.787787] DMA32: 3*4kB 
[  281.792810]  ? find_held_lock+0x36/0x1c0
[  281.795191] (UM) 
[  281.797434]  ? ____cache_alloc_node+0x1c7/0x1e0
[  281.801202] 1*8kB (U) 
[  281.803963]  ? lock_downgrade+0x900/0x900
[  281.807997] 4*16kB (UM) 
[  281.810071]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.814711] 2*32kB 
[  281.817211]  cache_grow_begin+0x91/0x8c0
[  281.821329] (UM) 
[  281.824007]  ? do_raw_spin_unlock+0xa7/0x2f0
[  281.829517] 3*64kB 
[  281.831763]  fallback_alloc+0x203/0x2e0
[  281.835790] (UM) 
[  281.837858]  ____cache_alloc_node+0x1c7/0x1e0
[  281.842225] 4*128kB (UM) 
[  281.844478]  kmem_cache_alloc_node+0xe3/0x730
[  281.848424] 3*256kB 
[  281.850487]  ? ipv6_get_ifaddr+0x42e/0x620
[  281.854960] (UM) 
[  281.857732]  __alloc_skb+0x119/0x770
[  281.862195] 4*512kB 
[  281.864517]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  281.868729] (UM) 
[  281.870786]  ? skb_scrub_packet+0x490/0x490
[  281.874475] 3*1024kB 
[  281.876794]  ? lock_downgrade+0x900/0x900
[  281.882046] (M) 
[  281.884104]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.888397] 3*2048kB (UM) 
[  281.890819]  ? refcount_sub_and_test_checked+0x203/0x310
[  281.894933] 3*4096kB (M) 
[  281.896926]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  281.902434] = 25172kB
[  281.902443] Node 0 
[  281.905291]  ? addrconf_rs_timer+0x6f0/0x6f0
[  281.910720] Normal: 
[  281.913487]  ndisc_alloc_skb+0x144/0x340
[  281.918904] 979*4kB 
[  281.921316]  ndisc_send_rs+0x331/0x6e0
[  281.923533] (ME) 
[  281.927942]  addrconf_rs_timer+0x3c0/0x6f0
[  281.930244] 483*8kB 
[  281.934305]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.936602] (UME) 
[  281.940498]  call_timer_fn+0x272/0x920
[  281.942522] 201*16kB (ME) 
[  281.946763]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.949058] 59*32kB (UME) 
[  281.953296]  ? process_timeout+0x40/0x40
[  281.955428] 15*64kB 
[  281.959308]  ? find_held_lock+0x36/0x1c0
[  281.962129] (UM) 
[  281.966362]  ? __run_timers+0x7da/0xc70
[  281.969182] 0*128kB 
[  281.973273]  ? _raw_spin_unlock_irq+0x27/0x80
[  281.975564] 0*256kB 
[  281.979616]  ? _raw_spin_unlock_irq+0x27/0x80
[  281.981657] 0*512kB 
[  281.985625]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.987923] 0*1024kB 
[  281.992410]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  281.994707] 0*2048kB 0*4096kB 
[  281.999221]  ? trace_hardirqs_on+0xbd/0x310
[  282.001525] = 13844kB
[  282.005755]  ? kasan_check_read+0x11/0x20
[  282.008144] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  282.012729]  ? __run_timers+0x7da/0xc70
[  282.015920] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  282.020227]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  282.022616] 1697 total pagecache pages
[  282.026757]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.035586] 0 pages in swap cache
[  282.039551]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.048521] Swap cache stats: add 0, delete 0, find 0/0
[  282.053964]  __run_timers+0x7e5/0xc70
[  282.057842] Free swap  = 0kB
[  282.062077]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  282.065502] Total swap = 0kB
[  282.069732]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  282.075076] 1965979 pages RAM
[  282.078898]  ? rcu_bh_qs+0xc0/0xc0
[  282.081895] 0 pages HighMem/MovableOnly
[  282.087256]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.090247] 342744 pages reserved
[  282.090256] 0 pages cma reserved
[  282.095531]  ? check_preemption_disabled+0x48/0x200
[  282.098697] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  282.102149]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  282.106163] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  282.111631]  ? retint_kernel+0x2d/0x2d
[  282.115058] ksoftirqd/0 cpuset=
[  282.118427]  ? trace_hardirqs_on_caller+0xc0/0x300
[  282.123419] /
[  282.129915]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  282.134730]  mems_allowed=0
[  282.145049]  ? trace_hardirqs_off_caller+0x300/0x300
[  282.171560]  ? check_preemption_disabled+0x48/0x200
[  282.176584]  ? graph_lock+0x170/0x170
[  282.180404]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.185985]  ? check_preemption_disabled+0x48/0x200
[  282.191013]  ? __lock_is_held+0xb5/0x140
[  282.195076]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.200610]  ? check_preemption_disabled+0x48/0x200
[  282.205635]  run_timer_softirq+0x52/0xb0
[  282.209701]  ? rcu_read_lock_sched_held+0x108/0x120
[  282.214721]  __do_softirq+0x30b/0xad8
[  282.218543]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  282.223663]  ? pvclock_read_flags+0x160/0x160
[  282.228167]  ? lapic_next_event+0x5a/0x90
[  282.232316]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.237849]  ? check_preemption_disabled+0x48/0x200
[  282.242864]  ? check_preemption_disabled+0x48/0x200
[  282.247884]  ? kvm_clock_read+0x18/0x30
[  282.251867]  ? kvm_sched_clock_read+0x9/0x20
[  282.256280]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.261829]  ? check_preemption_disabled+0x48/0x200
[  282.266854]  irq_exit+0x17f/0x1c0
[  282.270311]  smp_apic_timer_interrupt+0x1cb/0x760
[  282.275163]  ? smp_reschedule_interrupt+0x109/0x650
[  282.280181]  ? smp_call_function_single_interrupt+0x650/0x650
[  282.286069]  ? interrupt_entry+0xb5/0xf0
[  282.290132]  ? trace_hardirqs_off_caller+0xbb/0x300
[  282.295149]  ? trace_hardirqs_off_caller+0xbb/0x300
[  282.300168]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  282.305009]  ? trace_hardirqs_off+0x300/0x300
[  282.309527]  ? trace_hardirqs_off+0x300/0x300
[  282.314029]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.319570]  ? check_preemption_disabled+0x48/0x200
[  282.324591]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.330138]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  282.334993]  apic_timer_interrupt+0xf/0x20
[  282.339222]  </IRQ>
[  282.341466] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  282.346400] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 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 9a 42
[  282.365313] RSP: 0018:ffff88019cfa7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  282.373046] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  282.380330] RDX: 0000000000000000 RSI: ffff88019d338900 RDI: 0000000000000282
[  282.387604] RBP: ffff88019cfa77b0 R08: ffff88019d338080 R09: 0000000000000000
[  282.394872] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  282.402137] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  282.409468]  skb_clone+0x1bb/0x500
[  282.413018]  ? finish_task_switch+0x2f5/0x900
[  282.417512]  ? skb_split+0x11e0/0x11e0
[  282.421400]  ? preempt_notifier_register+0x200/0x200
[  282.426505]  ? __switch_to_asm+0x34/0x70
[  282.430572]  ? __switch_to_asm+0x34/0x70
[  282.434631]  ? __switch_to_asm+0x40/0x70
[  282.438696]  ? __switch_to_asm+0x34/0x70
[  282.442759]  ? __switch_to_asm+0x40/0x70
[  282.446822]  ? __switch_to_asm+0x34/0x70
[  282.450884]  ? __switch_to_asm+0x40/0x70
[  282.454946]  ? __switch_to_asm+0x34/0x70
[  282.459010]  ? __switch_to_asm+0x34/0x70
[  282.463071]  ? __switch_to_asm+0x40/0x70
[  282.467129]  ? __switch_to_asm+0x34/0x70
[  282.471201]  bpf_clone_redirect+0xb9/0x490
[  282.475442]  ? __schedule+0x874/0x1ed0
[  282.479347]  bpf_prog_bebbfe2050753572+0x482/0x1000
[  282.484367]  ? __sched_text_start+0x8/0x8
[  282.488535]  ? find_held_lock+0x36/0x1c0
[  282.492604]  ? lock_acquire+0x1ed/0x520
[  282.496575]  ? bpf_test_run+0x32e/0x5a0
[  282.500556]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.506095]  ? check_preemption_disabled+0x48/0x200
[  282.511120]  ? kasan_check_read+0x11/0x20
[  282.515282]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  282.520559]  ? rcu_bh_qs+0xc0/0xc0
[  282.524103]  ? preempt_schedule+0x4d/0x60
[  282.528253]  ? ___preempt_schedule+0x16/0x18
[  282.532669]  ? bpf_test_run+0x1c0/0x5a0
[  282.536657]  ? netlink_diag_dump+0x2a0/0x2a0
[  282.541074]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  282.546608]  ? bpf_test_init.isra.9+0x70/0x100
[  282.551193]  ? bpf_prog_test_run_skb+0x634/0xb40
[  282.555978]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  282.560822]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  282.566360]  ? fput+0x130/0x1a0
[  282.569638]  ? __bpf_prog_get+0x9b/0x290
[  282.573713]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  282.578557]  ? bpf_prog_test_run+0x130/0x1a0
[  282.583006]  ? __x64_sys_bpf+0x3d8/0x510
[  282.587081]  ? bpf_prog_get+0x20/0x20
[  282.590891]  ? ksys_ioctl+0x81/0xd0
[  282.594534]  ? do_syscall_64+0x1b9/0x820
[  282.598609]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  282.603977]  ? syscall_return_slowpath+0x5e0/0x5e0
[  282.608915]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  282.613763]  ? trace_hardirqs_off+0x300/0x300
[  282.618266]  ? prepare_exit_to_usermode+0x291/0x3b0
[  282.623289]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  282.628142]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  282.633524] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
[  282.633624] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  282.640296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  282.640301] Call Trace:
[  282.640320]  dump_stack+0x1c4/0x2b4
[  282.640336]  ? dump_stack_print_info.cold.2+0x52/0x52
[  282.640363]  warn_alloc.cold.118+0xb7/0x1bd
[  282.646947] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  282.656221]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  282.658781] syz-executor1 cpuset=
[  282.662415]  ? lock_downgrade+0x900/0x900
[  282.667579] syz1
[  282.671896]  ? trace_hardirqs_off+0xb8/0x300
[  282.682360]  mems_allowed=0
[  282.687206]  ? trace_hardirqs_off+0xb8/0x300
[  282.708463]  __alloc_pages_slowpath+0x2667/0x2d80
[  282.713344]  ? warn_alloc+0x120/0x120
[  282.717157]  ? warn_alloc+0x120/0x120
[  282.720998]  ? print_usage_bug+0xc0/0xc0
[  282.725071]  ? warn_alloc+0x120/0x120
[  282.728879]  ? print_usage_bug+0xc0/0xc0
[  282.732960]  ? __lock_acquire+0x7ec/0x4ec0
[  282.737219]  ? __lock_acquire+0x7ec/0x4ec0
[  282.741471]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  282.747035]  ? should_fail+0x22d/0xd01
[  282.750936]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  282.756040]  ? __lock_acquire+0x7ec/0x4ec0
[  282.760284]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  282.765398]  ? __lock_acquire+0x7ec/0x4ec0
[  282.769638]  ? should_fail+0x22d/0xd01
[  282.773541]  ? mark_held_locks+0x130/0x130
[  282.777806]  ? mark_held_locks+0x130/0x130
[  282.782038]  ? graph_lock+0x170/0x170
[  282.785849]  ? graph_lock+0x170/0x170
[  282.789652]  ? graph_lock+0x170/0x170
[  282.793456]  ? print_usage_bug+0xc0/0xc0
[  282.797522]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.803066]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.808626]  ? check_preemption_disabled+0x48/0x200
[  282.813648]  ? check_preemption_disabled+0x48/0x200
[  282.818679]  ? __lock_is_held+0xb5/0x140
[  282.822753]  __alloc_pages_nodemask+0xa80/0xde0
[  282.827428]  ? graph_lock+0x170/0x170
[  282.831245]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  282.836265]  ? graph_lock+0x170/0x170
[  282.840082]  ? find_held_lock+0x36/0x1c0
[  282.844154]  ? ____cache_alloc_node+0x1c7/0x1e0
[  282.848827]  ? lock_downgrade+0x900/0x900
[  282.852999]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.858546]  cache_grow_begin+0x91/0x8c0
[  282.862607]  ? do_raw_spin_unlock+0xa7/0x2f0
[  282.867026]  fallback_alloc+0x203/0x2e0
[  282.871011]  ____cache_alloc_node+0x1c7/0x1e0
[  282.875511]  kmem_cache_alloc_node+0xe3/0x730
[  282.880021]  ? ipv6_get_ifaddr+0x42e/0x620
[  282.884279]  __alloc_skb+0x119/0x770
[  282.887997]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  282.893288]  ? skb_scrub_packet+0x490/0x490
[  282.897610]  ? lock_downgrade+0x900/0x900
[  282.901766]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.907304]  ? refcount_sub_and_test_checked+0x203/0x310
[  282.912760]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  282.918237]  ? addrconf_rs_timer+0x6f0/0x6f0
[  282.922667]  ndisc_alloc_skb+0x144/0x340
[  282.926746]  ndisc_send_rs+0x331/0x6e0
[  282.930640]  addrconf_rs_timer+0x3c0/0x6f0
[  282.934882]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.939131]  call_timer_fn+0x272/0x920
[  282.943018]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.947253]  ? process_timeout+0x40/0x40
[  282.951313]  ? find_held_lock+0x36/0x1c0
[  282.955411]  ? __run_timers+0x7da/0xc70
[  282.959398]  ? _raw_spin_unlock_irq+0x27/0x80
[  282.963900]  ? _raw_spin_unlock_irq+0x27/0x80
[  282.968400]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.972640]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  282.977228]  ? trace_hardirqs_on+0xbd/0x310
[  282.981548]  ? kasan_check_read+0x11/0x20
[  282.985695]  ? __run_timers+0x7da/0xc70
[  282.989686]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  282.995143]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.999448]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  283.003695]  __run_timers+0x7e5/0xc70
[  283.007522]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  283.012883]  ? compat_start_thread+0x80/0x80
[  283.017322]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.022869]  ? kasan_check_write+0x14/0x20
[  283.027116]  ? finish_task_switch+0x2f5/0x900
[  283.031623]  ? __switch_to_asm+0x40/0x70
[  283.035687]  ? preempt_notifier_register+0x200/0x200
[  283.040805]  ? __switch_to_asm+0x34/0x70
[  283.045324]  ? __switch_to_asm+0x40/0x70
[  283.049391]  ? __switch_to_asm+0x34/0x70
[  283.053463]  ? __switch_to_asm+0x40/0x70
[  283.057537]  ? __switch_to_asm+0x34/0x70
[  283.061610]  ? __switch_to_asm+0x40/0x70
[  283.065679]  ? pvclock_read_flags+0x160/0x160
[  283.070176]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.075712]  ? check_preemption_disabled+0x48/0x200
[  283.080751]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  283.086025]  ? rcu_pm_notify+0xc0/0xc0
[  283.089915]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.095467]  ? check_preemption_disabled+0x48/0x200
[  283.100503]  run_timer_softirq+0x52/0xb0
[  283.104620]  ? rcu_read_lock_sched_held+0x108/0x120
[  283.110388]  __do_softirq+0x30b/0xad8
[  283.114204]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  283.119314]  ? schedule+0x108/0x460
[  283.122943]  ? __schedule+0x1ed0/0x1ed0
[  283.126936]  ? trace_hardirqs_off+0xb8/0x300
[  283.131343]  ? ___might_sleep+0x1ed/0x300
[  283.135485]  ? smpboot_thread_fn+0x68b/0xa00
[  283.139896]  ? trace_hardirqs_on+0x310/0x310
[  283.144304]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.149844]  ? check_preemption_disabled+0x48/0x200
[  283.155039]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.160585]  ? takeover_tasklets+0xa90/0xa90
[  283.164998]  run_ksoftirqd+0x94/0x100
[  283.168799]  smpboot_thread_fn+0x68b/0xa00
[  283.173037]  ? sort_range+0x30/0x30
[  283.176666]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  283.181783]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.187321]  ? __kthread_parkme+0xfb/0x1a0
[  283.191570]  kthread+0x35a/0x420
[  283.194945]  ? sort_range+0x30/0x30
[  283.198570]  ? kthread_bind+0x40/0x40
[  283.202380]  ret_from_fork+0x3a/0x50
[  283.206119] warn_alloc_show_mem: 1 callbacks suppressed
[  283.206132] CPU: 1 PID: 10110 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
[  283.206135] Mem-Info:
[  283.206166] active_anon:39159 inactive_anon:1633 isolated_anon:0
[  283.206166]  active_file:15 inactive_file:16 isolated_file:0
[  283.206166]  unevictable:0 dirty:0 writeback:0 unstable:0
[  283.206166]  slab_reclaimable:8773 slab_unreclaimable:1470459
[  283.206166]  mapped:49330 shmem:1666 pagetables:630 bounce:0
[  283.206166]  free:13723 free_pcp:275 free_cma:0
[  283.211509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  283.211518] Call Trace:
[  283.218810] Node 0 active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197320kB dirty:0kB writeback:0kB shmem:6664kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  283.221210]  <IRQ>
[  283.254268] Node 0 
[  283.263655]  dump_stack+0x1c4/0x2b4
[  283.266236] 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
[  283.293903]  ? dump_stack_print_info.cold.2+0x52/0x52
[  283.296026] lowmem_reserve[]:
[  283.298266]  warn_alloc.cold.118+0xb7/0x1bd
[  283.301859]  0
[  283.327376]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  283.332544]  2817
[  283.335651]  ? lock_downgrade+0x900/0x900
[  283.339956]  6321
[  283.341757]  ? trace_hardirqs_off+0xb8/0x300
[  283.346583]  6321
[  283.348647]  ? trace_hardirqs_off+0xb8/0x300
[  283.354834]  __alloc_pages_slowpath+0x2667/0x2d80
[  283.359208] Node 0 
[  283.361290]  ? warn_alloc+0x120/0x120
[  283.365716] DMA32 free:25172kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  283.370540]  ? warn_alloc+0x120/0x120
[  283.372743] lowmem_reserve[]: 0
[  283.376559]  ? print_usage_bug+0xc0/0xc0
[  283.403261]  0
[  283.407059]  ? warn_alloc+0x120/0x120
[  283.410312]  3503
[  283.414387]  ? print_usage_bug+0xc0/0xc0
[  283.416161]  3503
[  283.419953]  ? __lock_acquire+0x7ec/0x4ec0
[  283.426065]  ? __lock_acquire+0x7ec/0x4ec0
[  283.428118] Node 0 
[  283.432350]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.436598] Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5408kB pagetables:2520kB bounce:0kB free_pcp:852kB local_pcp:604kB free_cma:0kB
[  283.438809]  ? should_fail+0x22d/0xd01
[  283.444313] lowmem_reserve[]: 0
[  283.472694]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  283.476566]  0
[  283.479840]  ? __lock_acquire+0x7ec/0x4ec0
[  283.484912]  0 0
[  283.486722]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  283.492899]  ? __lock_acquire+0x7ec/0x4ec0
[  283.497983] Node 0 
[  283.502222]  ? should_fail+0x22d/0xd01
[  283.502232] DMA: 
[  283.504472]  ? mark_held_locks+0x130/0x130
[  283.508333] 1*4kB 
[  283.510399]  ? mark_held_locks+0x130/0x130
[  283.514610] (U) 
[  283.516754]  ? graph_lock+0x170/0x170
[  283.520965] 0*8kB 
[  283.522951]  ? graph_lock+0x170/0x170
[  283.526730] 0*16kB 
[  283.528883]  ? graph_lock+0x170/0x170
[  283.532662] 1*32kB 
[  283.534894]  ? print_usage_bug+0xc0/0xc0
[  283.538671] (U) 
[  283.540903]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.544932] 2*64kB (U) 
[  283.546931]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.552438] 1*128kB (U) 
[  283.555044]  ? check_preemption_disabled+0x48/0x200
[  283.560549] 1*256kB (U) 
[  283.563225]  ? check_preemption_disabled+0x48/0x200
[  283.568207] 0*512kB 1*1024kB 
[  283.570887]  ? __lock_is_held+0xb5/0x140
[  283.575884] (U) 
[  283.578994]  __alloc_pages_nodemask+0xa80/0xde0
[  283.583024] 1*2048kB (M) 
[  283.585002]  ? graph_lock+0x170/0x170
[  283.589649] 3*4096kB 
[  283.592406]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  283.596186] (M) 
[  283.598594]  ? graph_lock+0x170/0x170
[  283.603599] = 15908kB
[  283.605588]  ? find_held_lock+0x36/0x1c0
[  283.609360] Node 0 
[  283.611775]  ? ____cache_alloc_node+0x1c7/0x1e0
[  283.615809] DMA32: 3*4kB 
[  283.618051]  ? lock_downgrade+0x900/0x900
[  283.622695] (UM) 
[  283.625456]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.629568] 1*8kB (U) 
[  283.631666]  cache_grow_begin+0x91/0x8c0
[  283.637169] 4*16kB (UM) 
[  283.639693]  ? do_raw_spin_unlock+0xa7/0x2f0
[  283.643732] 2*32kB 
[  283.646409]  fallback_alloc+0x203/0x2e0
[  283.650797] (UM) 
[  283.653036]  ____cache_alloc_node+0x1c7/0x1e0
[  283.656978] 3*64kB (UM) 
[  283.659048]  kmem_cache_alloc_node+0xe3/0x730
[  283.663516] 4*128kB 
[  283.666184]  ? ipv6_get_ifaddr+0x42e/0x620
[  283.670652] (UM) 
[  283.672977]  __alloc_skb+0x119/0x770
[  283.677178] 3*256kB (UM) 
[  283.679255]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  283.682944] 4*512kB 
[  283.685696]  ? skb_scrub_packet+0x490/0x490
[  283.690947] (UM) 
[  283.693270]  ? lock_downgrade+0x900/0x900
[  283.697579] 3*1024kB 
[  283.699644]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.703777] (M) 
[  283.706186]  ? refcount_sub_and_test_checked+0x203/0x310
[  283.711696] 3*2048kB 
[  283.713670]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  283.719095] (UM) 
[  283.721507]  ? addrconf_rs_timer+0x6f0/0x6f0
[  283.726947] 3*4096kB 
[  283.729028]  ndisc_alloc_skb+0x144/0x340
[  283.733412] (M) 
[  283.735834]  ndisc_send_rs+0x331/0x6e0
[  283.739872] = 25172kB
[  283.741843]  addrconf_rs_timer+0x3c0/0x6f0
[  283.745719] Node 0 
[  283.748129]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  283.752334] Normal: 979*4kB 
[  283.754597]  call_timer_fn+0x272/0x920
[  283.758794] (ME) 
[  283.761820]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  283.765683] 483*8kB (UME) 
[  283.767753]  ? process_timeout+0x40/0x40
[  283.771958] 201*16kB (ME) 
[  283.774805]  ? find_held_lock+0x36/0x1c0
[  283.778842] 59*32kB 
[  283.781690]  ? __run_timers+0x7da/0xc70
[  283.785732] (UME) 
[  283.788055]  ? _raw_spin_unlock_irq+0x27/0x80
[  283.792007] 15*64kB 
[  283.794150]  ? _raw_spin_unlock_irq+0x27/0x80
[  283.798625] (UM) 0*128kB 
[  283.800960]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  283.805442] 0*256kB 0*512kB 
[  283.808206]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  283.812421] 0*1024kB 0*2048kB 
[  283.815477]  ? trace_hardirqs_on+0xbd/0x310
[  283.820047] 0*4096kB = 13844kB
[  283.823253]  ? kasan_check_read+0x11/0x20
[  283.827568] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  283.830767]  ? __run_timers+0x7da/0xc70
[  283.834894] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  283.843742]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  283.847689] 1697 total pagecache pages
[  283.856270]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  283.861700] 0 pages in swap cache
[  283.865592]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  283.869800] Swap cache stats: add 0, delete 0, find 0/0
[  283.873248]  __run_timers+0x7e5/0xc70
[  283.877455] Free swap  = 0kB
[  283.882828]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  283.886588] Total swap = 0kB
[  283.886597] 1965979 pages RAM
[  283.889615]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  283.894944] 0 pages HighMem/MovableOnly
[  283.894953] 342744 pages reserved
[  283.897966]  ? rcu_bh_qs+0xc0/0xc0
[  283.901043] 0 pages cma reserved
[  283.901144] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  283.906331]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.910415] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  283.913727]  ? check_preemption_disabled+0x48/0x200
[  283.917245] ksoftirqd/0 cpuset=
[  283.920612]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  283.927080] /
[  283.932638]  ? retint_kernel+0x2d/0x2d
[  283.942956]  mems_allowed=0
[  283.947983]  ? trace_hardirqs_on_caller+0xc0/0x300
[  283.969396]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  283.974188]  ? trace_hardirqs_off_caller+0x300/0x300
[  283.979299]  ? check_preemption_disabled+0x48/0x200
[  283.984318]  ? graph_lock+0x170/0x170
[  283.988132]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.993679]  ? check_preemption_disabled+0x48/0x200
[  283.998724]  ? __lock_is_held+0xb5/0x140
[  284.002790]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.008333]  ? check_preemption_disabled+0x48/0x200
[  284.013375]  run_timer_softirq+0x52/0xb0
[  284.017445]  ? rcu_read_lock_sched_held+0x108/0x120
[  284.022468]  __do_softirq+0x30b/0xad8
[  284.026278]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  284.031392]  ? pvclock_read_flags+0x160/0x160
[  284.035894]  ? lapic_next_event+0x5a/0x90
[  284.040049]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.045590]  ? check_preemption_disabled+0x48/0x200
[  284.050607]  ? check_preemption_disabled+0x48/0x200
[  284.055630]  ? kvm_clock_read+0x18/0x30
[  284.059608]  ? kvm_sched_clock_read+0x9/0x20
[  284.064017]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.069555]  ? check_preemption_disabled+0x48/0x200
[  284.074580]  irq_exit+0x17f/0x1c0
[  284.078044]  smp_apic_timer_interrupt+0x1cb/0x760
[  284.082923]  ? smp_reschedule_interrupt+0x109/0x650
[  284.087966]  ? smp_call_function_single_interrupt+0x650/0x650
[  284.093863]  ? interrupt_entry+0xb5/0xf0
[  284.097944]  ? trace_hardirqs_off_caller+0xbb/0x300
[  284.102965]  ? trace_hardirqs_off_caller+0xbb/0x300
[  284.107981]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  284.112829]  ? trace_hardirqs_off+0x300/0x300
[  284.117341]  ? trace_hardirqs_off+0x300/0x300
[  284.121855]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.127409]  ? check_preemption_disabled+0x48/0x200
[  284.132425]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.137971]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  284.142830]  apic_timer_interrupt+0xf/0x20
[  284.147062]  </IRQ>
[  284.149303] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  284.154248] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 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 9a 42
[  284.173163] RSP: 0018:ffff88019cfa7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  284.180883] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  284.188180] RDX: 0000000000000000 RSI: ffff88019d338900 RDI: 0000000000000282
[  284.195448] RBP: ffff88019cfa77b0 R08: ffff88019d338080 R09: 0000000000000000
[  284.202751] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  284.210014] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  284.217327]  skb_clone+0x1bb/0x500
[  284.220877]  ? finish_task_switch+0x2f5/0x900
[  284.225376]  ? skb_split+0x11e0/0x11e0
[  284.229274]  ? preempt_notifier_register+0x200/0x200
[  284.234379]  ? __switch_to_asm+0x34/0x70
[  284.238446]  ? __switch_to_asm+0x34/0x70
[  284.242508]  ? __switch_to_asm+0x40/0x70
[  284.246570]  ? __switch_to_asm+0x34/0x70
[  284.250627]  ? __switch_to_asm+0x40/0x70
[  284.254685]  ? __switch_to_asm+0x34/0x70
[  284.258752]  ? __switch_to_asm+0x40/0x70
[  284.262812]  ? __switch_to_asm+0x34/0x70
[  284.266872]  ? __switch_to_asm+0x34/0x70
[  284.270945]  ? __switch_to_asm+0x40/0x70
[  284.275003]  ? __switch_to_asm+0x34/0x70
[  284.279073]  bpf_clone_redirect+0xb9/0x490
[  284.283309]  ? __schedule+0x874/0x1ed0
[  284.287226]  bpf_prog_bebbfe2050753572+0x482/0x1000
[  284.292259]  ? __sched_text_start+0x8/0x8
[  284.296438]  ? find_held_lock+0x36/0x1c0
[  284.300510]  ? lock_acquire+0x1ed/0x520
[  284.304499]  ? bpf_test_run+0x32e/0x5a0
[  284.308478]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.314022]  ? check_preemption_disabled+0x48/0x200
[  284.319042]  ? kasan_check_read+0x11/0x20
[  284.323193]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  284.328470]  ? rcu_bh_qs+0xc0/0xc0
[  284.332011]  ? preempt_schedule+0x4d/0x60
[  284.336164]  ? ___preempt_schedule+0x16/0x18
[  284.340580]  ? bpf_test_run+0x1c0/0x5a0
[  284.344565]  ? netlink_diag_dump+0x2a0/0x2a0
[  284.348980]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  284.354518]  ? bpf_test_init.isra.9+0x70/0x100
[  284.359107]  ? bpf_prog_test_run_skb+0x634/0xb40
[  284.363870]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  284.368729]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  284.374268]  ? fput+0x130/0x1a0
[  284.377559]  ? __bpf_prog_get+0x9b/0x290
[  284.381624]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  284.386491]  ? bpf_prog_test_run+0x130/0x1a0
[  284.390912]  ? __x64_sys_bpf+0x3d8/0x510
[  284.394973]  ? bpf_prog_get+0x20/0x20
[  284.398783]  ? ksys_ioctl+0x81/0xd0
[  284.402434]  ? do_syscall_64+0x1b9/0x820
[  284.406503]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  284.411887]  ? syscall_return_slowpath+0x5e0/0x5e0
[  284.416821]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  284.421670]  ? trace_hardirqs_off+0x300/0x300
[  284.426174]  ? prepare_exit_to_usermode+0x291/0x3b0
[  284.431202]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  284.436073]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  284.441466] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
[  284.441569] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  284.448241] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  284.448247] Call Trace:
[  284.448267]  dump_stack+0x1c4/0x2b4
[  284.448287]  ? dump_stack_print_info.cold.2+0x52/0x52
[  284.454826] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  284.464131]  warn_alloc.cold.118+0xb7/0x1bd
[  284.466697] syz-executor1 cpuset=
[  284.470322]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  284.475486] syz1
[  284.485966]  ? lock_downgrade+0x900/0x900
[  284.490275]  mems_allowed=0
[  284.493724]  ? trace_hardirqs_off+0xb8/0x300
[  284.511965]  ? trace_hardirqs_off+0xb8/0x300
[  284.516393]  __alloc_pages_slowpath+0x2667/0x2d80
[  284.521301]  ? warn_alloc+0x120/0x120
[  284.525109]  ? warn_alloc+0x120/0x120
[  284.528915]  ? print_usage_bug+0xc0/0xc0
[  284.532979]  ? warn_alloc+0x120/0x120
[  284.536781]  ? print_usage_bug+0xc0/0xc0
[  284.540844]  ? __lock_acquire+0x7ec/0x4ec0
[  284.545076]  ? __lock_acquire+0x7ec/0x4ec0
[  284.549315]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  284.554860]  ? should_fail+0x22d/0xd01
[  284.558755]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  284.563856]  ? __lock_acquire+0x7ec/0x4ec0
[  284.568093]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  284.573191]  ? __lock_acquire+0x7ec/0x4ec0
[  284.577429]  ? should_fail+0x22d/0xd01
[  284.581313]  ? print_usage_bug+0xc0/0xc0
[  284.585392]  ? mark_held_locks+0x130/0x130
[  284.589640]  ? mark_held_locks+0x130/0x130
[  284.593883]  ? graph_lock+0x170/0x170
[  284.597684]  ? print_usage_bug+0xc0/0xc0
[  284.601745]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  284.606503]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.612054]  ? check_preemption_disabled+0x48/0x200
[  284.617084]  ? check_preemption_disabled+0x48/0x200
[  284.622112]  ? __lock_is_held+0xb5/0x140
[  284.626183]  __alloc_pages_nodemask+0xa80/0xde0
[  284.630855]  ? graph_lock+0x170/0x170
[  284.634663]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  284.639675]  ? graph_lock+0x170/0x170
[  284.643489]  ? find_held_lock+0x36/0x1c0
[  284.647563]  ? ____cache_alloc_node+0x1c7/0x1e0
[  284.652234]  ? lock_downgrade+0x900/0x900
[  284.656400]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.661956]  cache_grow_begin+0x91/0x8c0
[  284.666021]  ? do_raw_spin_unlock+0xa7/0x2f0
[  284.670453]  fallback_alloc+0x203/0x2e0
[  284.674437]  ____cache_alloc_node+0x1c7/0x1e0
[  284.678935]  kmem_cache_alloc_node+0xe3/0x730
[  284.683457]  ? ipv6_get_ifaddr+0x42e/0x620
[  284.687702]  __alloc_skb+0x119/0x770
[  284.691426]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  284.696709]  ? skb_scrub_packet+0x490/0x490
[  284.701030]  ? lock_downgrade+0x900/0x900
[  284.705191]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.710730]  ? refcount_sub_and_test_checked+0x203/0x310
[  284.716189]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  284.721643]  ? addrconf_rs_timer+0x6f0/0x6f0
[  284.726066]  ndisc_alloc_skb+0x144/0x340
[  284.730147]  ndisc_send_rs+0x331/0x6e0
[  284.734039]  addrconf_rs_timer+0x3c0/0x6f0
[  284.738279]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  284.742529]  call_timer_fn+0x272/0x920
[  284.746428]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  284.750669]  ? process_timeout+0x40/0x40
[  284.754728]  ? find_held_lock+0x36/0x1c0
[  284.758799]  ? __run_timers+0x7da/0xc70
[  284.762776]  ? _raw_spin_unlock_irq+0x27/0x80
[  284.767275]  ? _raw_spin_unlock_irq+0x27/0x80
[  284.771771]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  284.776004]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  284.780588]  ? trace_hardirqs_on+0xbd/0x310
[  284.784928]  ? kasan_check_read+0x11/0x20
[  284.789082]  ? __run_timers+0x7da/0xc70
[  284.793059]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  284.798516]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  284.802779]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  284.807018]  __run_timers+0x7e5/0xc70
[  284.810835]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  284.816196]  ? compat_start_thread+0x80/0x80
[  284.820610]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.826158]  ? kasan_check_write+0x14/0x20
[  284.830411]  ? finish_task_switch+0x2f5/0x900
[  284.834905]  ? __switch_to_asm+0x40/0x70
[  284.838971]  ? preempt_notifier_register+0x200/0x200
[  284.844085]  ? __switch_to_asm+0x34/0x70
[  284.848151]  ? __switch_to_asm+0x40/0x70
[  284.852217]  ? __switch_to_asm+0x34/0x70
[  284.856270]  ? __switch_to_asm+0x40/0x70
[  284.860332]  ? __switch_to_asm+0x34/0x70
[  284.864400]  ? __switch_to_asm+0x40/0x70
[  284.868482]  ? pvclock_read_flags+0x160/0x160
[  284.872978]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.878530]  ? check_preemption_disabled+0x48/0x200
[  284.883558]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  284.888847]  ? rcu_pm_notify+0xc0/0xc0
[  284.892737]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.898277]  ? check_preemption_disabled+0x48/0x200
[  284.903302]  run_timer_softirq+0x52/0xb0
[  284.907376]  ? rcu_read_lock_sched_held+0x108/0x120
[  284.912430]  __do_softirq+0x30b/0xad8
[  284.916245]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  284.921357]  ? schedule+0x108/0x460
[  284.924994]  ? __schedule+0x1ed0/0x1ed0
[  284.928969]  ? trace_hardirqs_off+0xb8/0x300
[  284.933377]  ? ___might_sleep+0x1ed/0x300
[  284.937541]  ? smpboot_thread_fn+0x68b/0xa00
[  284.941964]  ? trace_hardirqs_on+0x310/0x310
[  284.946373]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  284.951925]  ? check_preemption_disabled+0x48/0x200
[  284.956946]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.962491]  ? takeover_tasklets+0xa90/0xa90
[  284.966906]  run_ksoftirqd+0x94/0x100
[  284.970714]  smpboot_thread_fn+0x68b/0xa00
[  284.974950]  ? sort_range+0x30/0x30
[  284.978595]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  284.983702]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  284.989255]  ? __kthread_parkme+0xfb/0x1a0
[  284.993497]  kthread+0x35a/0x420
[  284.996865]  ? sort_range+0x30/0x30
[  285.000494]  ? kthread_bind+0x40/0x40
[  285.004297]  ret_from_fork+0x3a/0x50
[  285.008041] CPU: 1 PID: 10110 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
[  285.008047] warn_alloc_show_mem: 1 callbacks suppressed
[  285.008054] Mem-Info:
[  285.015329] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  285.020708] active_anon:39159 inactive_anon:1633 isolated_anon:0
[  285.020708]  active_file:15 inactive_file:16 isolated_file:0
[  285.020708]  unevictable:0 dirty:0 writeback:0 unstable:0
[  285.020708]  slab_reclaimable:8773 slab_unreclaimable:1470459
[  285.020708]  mapped:49330 shmem:1666 pagetables:630 bounce:0
[  285.020708]  free:13723 free_pcp:275 free_cma:0
[  285.023080] Call Trace:
[  285.032470] Node 0 active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197320kB dirty:0kB writeback:0kB shmem:6664kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  285.065904]  <IRQ>
[  285.068484] Node 0 
[  285.096154]  dump_stack+0x1c4/0x2b4
[  285.098306] 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
[  285.100513]  ? dump_stack_print_info.cold.2+0x52/0x52
[  285.104111] lowmem_reserve[]: 0
[  285.129634]  warn_alloc.cold.118+0xb7/0x1bd
[  285.134797]  2817
[  285.138073]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  285.142368]  6321
[  285.144443]  ? lock_downgrade+0x900/0x900
[  285.149257]  6321
[  285.151320]  ? trace_hardirqs_off+0xb8/0x300
[  285.155647] Node 0 
[  285.157729]  ? trace_hardirqs_off+0xb8/0x300
[  285.162133] DMA32 free:25172kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  285.164351]  __alloc_pages_slowpath+0x2667/0x2d80
[  285.168721] lowmem_reserve[]: 0
[  285.195498]  ? warn_alloc+0x120/0x120
[  285.200294]  0
[  285.203576]  ? warn_alloc+0x120/0x120
[  285.207351]  3503
[  285.209155]  ? print_usage_bug+0xc0/0xc0
[  285.212933]  3503
[  285.214990]  ? warn_alloc+0x120/0x120
[  285.219031] Node 0 
[  285.221091]  ? print_usage_bug+0xc0/0xc0
[  285.224894] Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5408kB pagetables:2520kB bounce:0kB free_pcp:852kB local_pcp:604kB free_cma:0kB
[  285.227101]  ? __lock_acquire+0x7ec/0x4ec0
[  285.231131] lowmem_reserve[]: 0
[  285.259517]  ? __lock_acquire+0x7ec/0x4ec0
[  285.263730]  0
[  285.267007]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  285.271218]  0
[  285.273019]  ? should_fail+0x22d/0xd01
[  285.278533]  0
[  285.280333]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  285.286017]  ? __lock_acquire+0x7ec/0x4ec0
[  285.291099] Node 0 DMA: 
[  285.295327]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  285.295355]  ? __lock_acquire+0x7ec/0x4ec0
[  285.298013] 1*4kB 
[  285.303108]  ? should_fail+0x22d/0xd01
[  285.307322] (U) 
[  285.309476]  ? mark_held_locks+0x130/0x130
[  285.313329] 0*8kB 0*16kB 
[  285.315314]  ? mark_held_locks+0x130/0x130
[  285.319521] 1*32kB (U) 
[  285.322295]  ? graph_lock+0x170/0x170
[  285.326505] 2*64kB (U) 
[  285.329093]  ? graph_lock+0x170/0x170
[  285.332864] 1*128kB (U) 
[  285.335455]  ? graph_lock+0x170/0x170
[  285.339235] 1*256kB 
[  285.341903]  ? print_usage_bug+0xc0/0xc0
[  285.345685] (U) 0*512kB 
[  285.348014]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.352047] 1*1024kB 
[  285.354713]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.360218] (U) 1*2048kB 
[  285.362643]  ? check_preemption_disabled+0x48/0x200
[  285.368145] (M) 3*4096kB 
[  285.370934]  ? check_preemption_disabled+0x48/0x200
[  285.375916] (M) = 15908kB
[  285.378694]  ? __lock_is_held+0xb5/0x140
[  285.383675] Node 0 
[  285.386440]  __alloc_pages_nodemask+0xa80/0xde0
[  285.390470] DMA32: 
[  285.392711]  ? graph_lock+0x170/0x170
[  285.397362] 3*4kB 
[  285.399608]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  285.403380] (UM) 1*8kB (U) 
[  285.405556]  ? graph_lock+0x170/0x170
[  285.411477] 4*16kB (UM) 
[  285.414490]  ? find_held_lock+0x36/0x1c0
[  285.418242] 2*32kB (UM) 
[  285.420997]  ? ____cache_alloc_node+0x1c7/0x1e0
[  285.424985] 3*64kB (UM) 
[  285.427679]  ? lock_downgrade+0x900/0x900
[  285.432320] 4*128kB 
[  285.434997]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.439116] (UM) 
[  285.441487]  cache_grow_begin+0x91/0x8c0
[  285.446979] 3*256kB 
[  285.449042]  ? do_raw_spin_unlock+0xa7/0x2f0
[  285.453074] (UM) 
[  285.455401]  fallback_alloc+0x203/0x2e0
[  285.459787] 4*512kB (UM) 
[  285.461862]  ____cache_alloc_node+0x1c7/0x1e0
[  285.465814] 3*1024kB 
[  285.468571]  kmem_cache_alloc_node+0xe3/0x730
[  285.473039] (M) 
[  285.475455]  ? ipv6_get_ifaddr+0x42e/0x620
[  285.479919] 3*2048kB (UM) 
[  285.481918]  __alloc_skb+0x119/0x770
[  285.486117] 3*4096kB 
[  285.488968]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  285.492652] (M) 
[  285.495069]  ? skb_scrub_packet+0x490/0x490
[  285.500314] = 25172kB
[  285.500323] Node 0 
[  285.502301]  ? lock_downgrade+0x900/0x900
[  285.506598] Normal: 
[  285.509017]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.511224] 979*4kB 
[  285.515370]  ? refcount_sub_and_test_checked+0x203/0x310
[  285.517670] (ME) 
[  285.523214]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  285.525508] 483*8kB 
[  285.530958]  ? addrconf_rs_timer+0x6f0/0x6f0
[  285.532993] (UME) 
[  285.538453]  ndisc_alloc_skb+0x144/0x340
[  285.540744] 201*16kB (ME) 
[  285.545159]  ndisc_send_rs+0x331/0x6e0
[  285.547280] 59*32kB (UME) 
[  285.551350]  addrconf_rs_timer+0x3c0/0x6f0
[  285.554160] 15*64kB (UM) 
[  285.558054]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.560875] 0*128kB 
[  285.565115]  call_timer_fn+0x272/0x920
[  285.567836] 0*256kB 0*512kB 
[  285.572074]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.574374] 0*1024kB 0*2048kB 
[  285.578279]  ? process_timeout+0x40/0x40
[  285.581266] 0*4096kB = 13844kB
[  285.585508]  ? find_held_lock+0x36/0x1c0
[  285.588683] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  285.592739]  ? __run_timers+0x7da/0xc70
[  285.595907] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  285.599968]  ? _raw_spin_unlock_irq+0x27/0x80
[  285.608778] 1697 total pagecache pages
[  285.612748]  ? _raw_spin_unlock_irq+0x27/0x80
[  285.621306] 0 pages in swap cache
[  285.625802]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.629659] Swap cache stats: add 0, delete 0, find 0/0
[  285.629669] Free swap  = 0kB
[  285.634167]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  285.637594] Total swap = 0kB
[  285.641829]  ? trace_hardirqs_on+0xbd/0x310
[  285.647166] 1965979 pages RAM
[  285.650184]  ? kasan_check_read+0x11/0x20
[  285.654750] 0 pages HighMem/MovableOnly
[  285.654759] 342744 pages reserved
[  285.657795]  ? __run_timers+0x7da/0xc70
[  285.662098] 0 pages cma reserved
[  285.665204]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  285.669430] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  285.673299]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.676806] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  285.680707]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.684051] ksoftirqd/0 cpuset=
[  285.689500]  __run_timers+0x7e5/0xc70
[  285.695963] /
[  285.700223]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  285.710487]  mems_allowed=0
[  285.714718]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  285.714748]  ? rcu_bh_qs+0xc0/0xc0
[  285.740552]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.746099]  ? check_preemption_disabled+0x48/0x200
[  285.751136]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  285.755901]  ? retint_kernel+0x2d/0x2d
[  285.759802]  ? trace_hardirqs_on_caller+0xc0/0x300
[  285.764738]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  285.769498]  ? trace_hardirqs_off_caller+0x300/0x300
[  285.774604]  ? check_preemption_disabled+0x48/0x200
[  285.779622]  ? graph_lock+0x170/0x170
[  285.783434]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.788972]  ? check_preemption_disabled+0x48/0x200
[  285.794003]  ? __lock_is_held+0xb5/0x140
[  285.798065]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.803605]  ? check_preemption_disabled+0x48/0x200
[  285.808629]  run_timer_softirq+0x52/0xb0
[  285.812695]  ? rcu_read_lock_sched_held+0x108/0x120
[  285.817720]  __do_softirq+0x30b/0xad8
[  285.821535]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  285.826645]  ? pvclock_read_flags+0x160/0x160
[  285.831141]  ? lapic_next_event+0x5a/0x90
[  285.835291]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.840860]  ? check_preemption_disabled+0x48/0x200
[  285.845887]  ? check_preemption_disabled+0x48/0x200
[  285.850921]  ? kvm_clock_read+0x18/0x30
[  285.854899]  ? kvm_sched_clock_read+0x9/0x20
[  285.859324]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.864890]  ? check_preemption_disabled+0x48/0x200
[  285.869931]  irq_exit+0x17f/0x1c0
[  285.873402]  smp_apic_timer_interrupt+0x1cb/0x760
[  285.878254]  ? smp_reschedule_interrupt+0x109/0x650
[  285.883286]  ? smp_call_function_single_interrupt+0x650/0x650
[  285.889182]  ? interrupt_entry+0xb5/0xf0
[  285.893247]  ? trace_hardirqs_off_caller+0xbb/0x300
[  285.898264]  ? trace_hardirqs_off_caller+0xbb/0x300
[  285.903281]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  285.908125]  ? trace_hardirqs_off+0x300/0x300
[  285.912618]  ? trace_hardirqs_off+0x300/0x300
[  285.917120]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.922665]  ? check_preemption_disabled+0x48/0x200
[  285.927684]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.933232]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  285.938102]  apic_timer_interrupt+0xf/0x20
[  285.942330]  </IRQ>
[  285.944570] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  285.949503] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 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 9a 42
[  285.968401] RSP: 0018:ffff88019cfa7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  285.976117] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  285.983382] RDX: 0000000000000000 RSI: ffff88019d338900 RDI: 0000000000000282
[  285.990655] RBP: ffff88019cfa77b0 R08: ffff88019d338080 R09: 0000000000000000
[  285.997931] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  286.005202] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  286.012517]  skb_clone+0x1bb/0x500
[  286.016061]  ? finish_task_switch+0x2f5/0x900
[  286.020559]  ? skb_split+0x11e0/0x11e0
[  286.024446]  ? preempt_notifier_register+0x200/0x200
[  286.029556]  ? __switch_to_asm+0x34/0x70
[  286.033616]  ? __switch_to_asm+0x34/0x70
[  286.037675]  ? __switch_to_asm+0x40/0x70
[  286.041739]  ? __switch_to_asm+0x34/0x70
[  286.045829]  ? __switch_to_asm+0x40/0x70
[  286.049901]  ? __switch_to_asm+0x34/0x70
[  286.053966]  ? __switch_to_asm+0x40/0x70
[  286.058018]  ? __switch_to_asm+0x34/0x70
[  286.062072]  ? __switch_to_asm+0x34/0x70
[  286.066132]  ? __switch_to_asm+0x40/0x70
[  286.070189]  ? __switch_to_asm+0x34/0x70
[  286.074260]  bpf_clone_redirect+0xb9/0x490
[  286.078516]  ? __schedule+0x874/0x1ed0
[  286.082411]  bpf_prog_bebbfe2050753572+0x482/0x1000
[  286.087434]  ? __sched_text_start+0x8/0x8
[  286.091598]  ? find_held_lock+0x36/0x1c0
[  286.095667]  ? lock_acquire+0x1ed/0x520
[  286.099641]  ? bpf_test_run+0x32e/0x5a0
[  286.103628]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.109169]  ? check_preemption_disabled+0x48/0x200
[  286.114203]  ? kasan_check_read+0x11/0x20
[  286.118358]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  286.123640]  ? rcu_bh_qs+0xc0/0xc0
[  286.127182]  ? preempt_schedule+0x4d/0x60
[  286.131346]  ? ___preempt_schedule+0x16/0x18
[  286.135761]  ? bpf_test_run+0x1c0/0x5a0
[  286.139753]  ? netlink_diag_dump+0x2a0/0x2a0
[  286.144195]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  286.149734]  ? bpf_test_init.isra.9+0x70/0x100
[  286.154341]  ? bpf_prog_test_run_skb+0x634/0xb40
[  286.159113]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  286.163978]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  286.169513]  ? fput+0x130/0x1a0
[  286.172802]  ? __bpf_prog_get+0x9b/0x290
[  286.176865]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  286.181711]  ? bpf_prog_test_run+0x130/0x1a0
[  286.186132]  ? __x64_sys_bpf+0x3d8/0x510
[  286.190191]  ? bpf_prog_get+0x20/0x20
[  286.194000]  ? ksys_ioctl+0x81/0xd0
[  286.197641]  ? do_syscall_64+0x1b9/0x820
[  286.201703]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  286.207068]  ? syscall_return_slowpath+0x5e0/0x5e0
[  286.211999]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  286.216847]  ? trace_hardirqs_off+0x300/0x300
[  286.221358]  ? prepare_exit_to_usermode+0x291/0x3b0
[  286.226388]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  286.231246]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  286.236631] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
[  286.236741] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  286.243396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  286.243402] Call Trace:
[  286.243427]  dump_stack+0x1c4/0x2b4
[  286.243449]  ? dump_stack_print_info.cold.2+0x52/0x52
[  286.250125] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  286.259327]  warn_alloc.cold.118+0xb7/0x1bd
[  286.261884] syz-executor1 cpuset=
[  286.265515]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  286.270682] syz1
[  286.281177]  ? lock_downgrade+0x900/0x900
[  286.285480]  mems_allowed=0
[  286.288933]  ? trace_hardirqs_off+0xb8/0x300
[  286.307201]  ? trace_hardirqs_off+0xb8/0x300
[  286.311623]  __alloc_pages_slowpath+0x2667/0x2d80
[  286.316495]  ? warn_alloc+0x120/0x120
[  286.320316]  ? warn_alloc+0x120/0x120
[  286.324118]  ? print_usage_bug+0xc0/0xc0
[  286.328190]  ? warn_alloc+0x120/0x120
[  286.331990]  ? print_usage_bug+0xc0/0xc0
[  286.336055]  ? __lock_acquire+0x7ec/0x4ec0
[  286.340290]  ? __lock_acquire+0x7ec/0x4ec0
[  286.344527]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  286.350063]  ? should_fail+0x22d/0xd01
[  286.353958]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  286.359063]  ? __lock_acquire+0x7ec/0x4ec0
[  286.363318]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  286.368436]  ? __lock_acquire+0x7ec/0x4ec0
[  286.372685]  ? should_fail+0x22d/0xd01
[  286.376594]  ? mark_held_locks+0x130/0x130
[  286.380835]  ? mark_held_locks+0x130/0x130
[  286.385074]  ? graph_lock+0x170/0x170
[  286.388875]  ? graph_lock+0x170/0x170
[  286.392678]  ? graph_lock+0x170/0x170
[  286.396479]  ? print_usage_bug+0xc0/0xc0
[  286.400567]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.406280]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.411822]  ? check_preemption_disabled+0x48/0x200
[  286.416867]  ? check_preemption_disabled+0x48/0x200
[  286.421897]  ? __lock_is_held+0xb5/0x140
[  286.425969]  __alloc_pages_nodemask+0xa80/0xde0
[  286.430640]  ? graph_lock+0x170/0x170
[  286.434446]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  286.439459]  ? graph_lock+0x170/0x170
[  286.443277]  ? find_held_lock+0x36/0x1c0
[  286.447349]  ? ____cache_alloc_node+0x1c7/0x1e0
[  286.452026]  ? lock_downgrade+0x900/0x900
[  286.456184]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.461729]  cache_grow_begin+0x91/0x8c0
[  286.465794]  ? do_raw_spin_unlock+0xa7/0x2f0
[  286.470212]  fallback_alloc+0x203/0x2e0
[  286.474196]  ____cache_alloc_node+0x1c7/0x1e0
[  286.478695]  kmem_cache_alloc_node+0xe3/0x730
[  286.483193]  ? ipv6_get_ifaddr+0x42e/0x620
[  286.487440]  __alloc_skb+0x119/0x770
[  286.491154]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  286.496436]  ? skb_scrub_packet+0x490/0x490
[  286.500760]  ? lock_downgrade+0x900/0x900
[  286.504918]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.510461]  ? refcount_sub_and_test_checked+0x203/0x310
[  286.515918]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  286.521462]  ? addrconf_rs_timer+0x6f0/0x6f0
[  286.525886]  ndisc_alloc_skb+0x144/0x340
[  286.529966]  ndisc_send_rs+0x331/0x6e0
[  286.533861]  addrconf_rs_timer+0x3c0/0x6f0
[  286.538100]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  286.542377]  call_timer_fn+0x272/0x920
[  286.546276]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  286.550512]  ? process_timeout+0x40/0x40
[  286.554572]  ? find_held_lock+0x36/0x1c0
[  286.558647]  ? __run_timers+0x7da/0xc70
[  286.562628]  ? _raw_spin_unlock_irq+0x27/0x80
[  286.567143]  ? _raw_spin_unlock_irq+0x27/0x80
[  286.571641]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  286.575896]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  286.580479]  ? trace_hardirqs_on+0xbd/0x310
[  286.584799]  ? kasan_check_read+0x11/0x20
[  286.588944]  ? __run_timers+0x7da/0xc70
[  286.592948]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  286.598413]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  286.602653]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  286.606896]  __run_timers+0x7e5/0xc70
[  286.610716]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  286.616081]  ? compat_start_thread+0x80/0x80
[  286.620510]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.626083]  ? kasan_check_write+0x14/0x20
[  286.630340]  ? finish_task_switch+0x2f5/0x900
[  286.634836]  ? __switch_to_asm+0x40/0x70
[  286.638906]  ? preempt_notifier_register+0x200/0x200
[  286.644012]  ? __switch_to_asm+0x34/0x70
[  286.648101]  ? __switch_to_asm+0x40/0x70
[  286.652163]  ? __switch_to_asm+0x34/0x70
[  286.656221]  ? __switch_to_asm+0x40/0x70
[  286.660301]  ? __switch_to_asm+0x34/0x70
[  286.664365]  ? __switch_to_asm+0x40/0x70
[  286.668455]  ? pvclock_read_flags+0x160/0x160
[  286.672978]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.678546]  ? check_preemption_disabled+0x48/0x200
[  286.683571]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  286.688852]  ? rcu_pm_notify+0xc0/0xc0
[  286.692743]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.698283]  ? check_preemption_disabled+0x48/0x200
[  286.703311]  run_timer_softirq+0x52/0xb0
[  286.707387]  ? rcu_read_lock_sched_held+0x108/0x120
[  286.712421]  __do_softirq+0x30b/0xad8
[  286.716237]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  286.721352]  ? schedule+0x108/0x460
[  286.725003]  ? __schedule+0x1ed0/0x1ed0
[  286.728985]  ? trace_hardirqs_off+0xb8/0x300
[  286.733403]  ? ___might_sleep+0x1ed/0x300
[  286.737557]  ? smpboot_thread_fn+0x68b/0xa00
[  286.741967]  ? trace_hardirqs_on+0x310/0x310
[  286.746376]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  286.751941]  ? check_preemption_disabled+0x48/0x200
[  286.756961]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.762505]  ? takeover_tasklets+0xa90/0xa90
[  286.766918]  run_ksoftirqd+0x94/0x100
[  286.770734]  smpboot_thread_fn+0x68b/0xa00
[  286.774972]  ? sort_range+0x30/0x30
[  286.778597]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  286.783697]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  286.789234]  ? __kthread_parkme+0xfb/0x1a0
[  286.793476]  kthread+0x35a/0x420
[  286.796842]  ? sort_range+0x30/0x30
[  286.800465]  ? kthread_bind+0x40/0x40
[  286.804292]  ret_from_fork+0x3a/0x50
[  286.808020] warn_alloc_show_mem: 1 callbacks suppressed
[  286.808032] CPU: 1 PID: 10110 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
[  286.808034] Mem-Info:
[  286.808066] active_anon:39159 inactive_anon:1633 isolated_anon:0
[  286.808066]  active_file:15 inactive_file:16 isolated_file:0
[  286.808066]  unevictable:0 dirty:0 writeback:0 unstable:0
[  286.808066]  slab_reclaimable:8773 slab_unreclaimable:1470459
[  286.808066]  mapped:49330 shmem:1666 pagetables:630 bounce:0
[  286.808066]  free:13723 free_pcp:275 free_cma:0
[  286.813421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  286.820700] Node 0 active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197320kB dirty:0kB writeback:0kB shmem:6664kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  286.823110] Call Trace:
[  286.856165] Node 0 
[  286.865513]  <IRQ>
[  286.893217] 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
[  286.895781]  dump_stack+0x1c4/0x2b4
[  286.897990] lowmem_reserve[]: 0
[  286.900149]  ? dump_stack_print_info.cold.2+0x52/0x52
[  286.925627]  2817 6321
[  286.929272]  warn_alloc.cold.118+0xb7/0x1bd
[  286.932516]  6321
[  286.937703]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  286.944500]  ? lock_downgrade+0x900/0x900
[  286.946540] Node 0 
[  286.951380]  ? trace_hardirqs_off+0xb8/0x300
[  286.955530] DMA32 free:25172kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  286.957740]  ? trace_hardirqs_off+0xb8/0x300
[  286.962113] lowmem_reserve[]: 0
[  286.988849]  __alloc_pages_slowpath+0x2667/0x2d80
[  286.993229]  0
[  286.996532]  ? warn_alloc+0x120/0x120
[  287.001320]  3503 3503
[  287.003151]  ? trace_hardirqs_on+0x310/0x310
[  287.006932] Node 0 
[  287.009422]  ? warn_alloc+0x120/0x120
[  287.009440]  ? print_usage_bug+0xc0/0xc0
[  287.013850] Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5408kB pagetables:2520kB bounce:0kB free_pcp:852kB local_pcp:604kB free_cma:0kB
[  287.016057]  ? warn_alloc+0x120/0x120
[  287.019826] lowmem_reserve[]: 0
[  287.023914]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  287.052726]  0 0
[  287.056535]  ? print_usage_bug+0xc0/0xc0
[  287.059793]  0
[  287.064803]  ? __lock_acquire+0x7ec/0x4ec0
[  287.066759] Node 0 
[  287.070814]  ? __lock_acquire+0x7ec/0x4ec0
[  287.072598] DMA: 
[  287.076829]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  287.079041] 1*4kB 
[  287.083270]  ? should_fail+0x22d/0xd01
[  287.085308] (U) 
[  287.090851]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  287.092988] 0*8kB 
[  287.096882]  ? __lock_acquire+0x7ec/0x4ec0
[  287.098853] 0*16kB 
[  287.103956]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  287.106083] 1*32kB 
[  287.110321]  ? __lock_acquire+0x7ec/0x4ec0
[  287.112549] (U) 
[  287.117661]  ? should_fail+0x22d/0xd01
[  287.119879] 2*64kB 
[  287.124110]  ? print_usage_bug+0xc0/0xc0
[  287.126063] (U) 
[  287.129954]  ? mark_held_locks+0x130/0x130
[  287.132167] 1*128kB (U) 
[  287.136250]  ? mark_held_locks+0x130/0x130
[  287.138208] 1*256kB 
[  287.142440]  ? graph_lock+0x170/0x170
[  287.145087] (U) 
[  287.149317]  ? print_usage_bug+0xc0/0xc0
[  287.151799] 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  287.151822] Node 0 DMA32: 3*4kB (UM) 1*8kB (U) 4*16kB (UM) 2*32kB (UM) 3*64kB (UM) 4*128kB (UM) 3*256kB (UM) 4*512kB (UM) 3*1024kB (M) 3*2048kB (UM) 3*4096kB (M) = 25172kB
[  287.151887] Node 0 Normal: 979*4kB (ME) 483*8kB (UME) 201*16kB (ME) 59*32kB (UME) 15*64kB (UM) 0*128kB 0*256kB 0*512kB 
[  287.155743]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  287.157697] 0*1024kB 
[  287.161753]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.168212] 0*2048kB 0*4096kB 
[  287.183659]  ? check_preemption_disabled+0x48/0x200
[  287.194543] = 13844kB
[  287.194558] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  287.199307]  ? check_preemption_disabled+0x48/0x200
[  287.201694] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  287.207242]  ? __lock_is_held+0xb5/0x140
[  287.210413] 1697 total pagecache pages
[  287.215430]  __alloc_pages_nodemask+0xa80/0xde0
[  287.217821] 0 pages in swap cache
[  287.226645]  ? graph_lock+0x170/0x170
[  287.231647] Swap cache stats: add 0, delete 0, find 0/0
[  287.240214]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  287.244249] Free swap  = 0kB
[  287.248125]  ? graph_lock+0x170/0x170
[  287.252779] Total swap = 0kB
[  287.252788] 1965979 pages RAM
[  287.256246]  ? find_held_lock+0x36/0x1c0
[  287.260018] 0 pages HighMem/MovableOnly
[  287.265406]  ? ____cache_alloc_node+0x1c7/0x1e0
[  287.270385] 342744 pages reserved
[  287.270395] 0 pages cma reserved
[  287.273415]  ? lock_downgrade+0x900/0x900
[  287.277290] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  287.280213]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.283356] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  287.287347]  cache_grow_begin+0x91/0x8c0
[  287.291302] ksoftirqd/0 cpuset=
[  287.295974]  ? do_raw_spin_unlock+0xa7/0x2f0
[  287.299405] /
[  287.302774]  fallback_alloc+0x203/0x2e0
[  287.306901]  mems_allowed=0
[  287.313396]  ____cache_alloc_node+0x1c7/0x1e0
[  287.353994]  kmem_cache_alloc_node+0xe3/0x730
[  287.358491]  ? ipv6_get_ifaddr+0x42e/0x620
[  287.362737]  __alloc_skb+0x119/0x770
[  287.366451]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  287.371740]  ? skb_scrub_packet+0x490/0x490
[  287.376075]  ? lock_downgrade+0x900/0x900
[  287.380241]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.385778]  ? refcount_sub_and_test_checked+0x203/0x310
[  287.391230]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  287.396687]  ? addrconf_rs_timer+0x6f0/0x6f0
[  287.401111]  ndisc_alloc_skb+0x144/0x340
[  287.405176]  ndisc_send_rs+0x331/0x6e0
[  287.409072]  addrconf_rs_timer+0x3c0/0x6f0
[  287.413328]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  287.417578]  call_timer_fn+0x272/0x920
[  287.421468]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  287.425711]  ? process_timeout+0x40/0x40
[  287.429789]  ? find_held_lock+0x36/0x1c0
[  287.433859]  ? __run_timers+0x7da/0xc70
[  287.437836]  ? _raw_spin_unlock_irq+0x27/0x80
[  287.442336]  ? _raw_spin_unlock_irq+0x27/0x80
[  287.446835]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  287.451085]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  287.455686]  ? trace_hardirqs_on+0xbd/0x310
[  287.460012]  ? kasan_check_read+0x11/0x20
[  287.464159]  ? __run_timers+0x7da/0xc70
[  287.468136]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  287.473620]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  287.477859]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  287.482122]  __run_timers+0x7e5/0xc70
[  287.485952]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  287.491317]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  287.496597]  ? rcu_bh_qs+0xc0/0xc0
[  287.500139]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.505707]  ? check_preemption_disabled+0x48/0x200
[  287.510733]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  287.515498]  ? retint_kernel+0x2d/0x2d
[  287.519405]  ? trace_hardirqs_on_caller+0xc0/0x300
[  287.524339]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  287.529092]  ? trace_hardirqs_off_caller+0x300/0x300
[  287.534194]  ? check_preemption_disabled+0x48/0x200
[  287.539215]  ? graph_lock+0x170/0x170
[  287.543027]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.548572]  ? check_preemption_disabled+0x48/0x200
[  287.553604]  ? __lock_is_held+0xb5/0x140
[  287.557668]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.563219]  ? check_preemption_disabled+0x48/0x200
[  287.568249]  run_timer_softirq+0x52/0xb0
[  287.572310]  ? rcu_read_lock_sched_held+0x108/0x120
[  287.577331]  __do_softirq+0x30b/0xad8
[  287.581156]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  287.586265]  ? pvclock_read_flags+0x160/0x160
[  287.590764]  ? lapic_next_event+0x5a/0x90
[  287.594928]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.600468]  ? check_preemption_disabled+0x48/0x200
[  287.605486]  ? check_preemption_disabled+0x48/0x200
[  287.610507]  ? kvm_clock_read+0x18/0x30
[  287.614480]  ? kvm_sched_clock_read+0x9/0x20
[  287.618895]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.624448]  ? check_preemption_disabled+0x48/0x200
[  287.629479]  irq_exit+0x17f/0x1c0
[  287.632944]  smp_apic_timer_interrupt+0x1cb/0x760
[  287.637786]  ? smp_reschedule_interrupt+0x109/0x650
[  287.642805]  ? smp_call_function_single_interrupt+0x650/0x650
[  287.648692]  ? interrupt_entry+0xb5/0xf0
[  287.652759]  ? trace_hardirqs_off_caller+0xbb/0x300
[  287.657774]  ? trace_hardirqs_off_caller+0xbb/0x300
[  287.662795]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  287.667640]  ? trace_hardirqs_off+0x300/0x300
[  287.672134]  ? trace_hardirqs_off+0x300/0x300
[  287.676631]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.682173]  ? check_preemption_disabled+0x48/0x200
[  287.687188]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.692733]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  287.697588]  apic_timer_interrupt+0xf/0x20
[  287.701820]  </IRQ>
[  287.704064] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  287.708994] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 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 9a 42
[  287.727920] RSP: 0018:ffff88019cfa7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  287.735637] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  287.742940] RDX: 0000000000000000 RSI: ffff88019d338900 RDI: 0000000000000282
[  287.750228] RBP: ffff88019cfa77b0 R08: ffff88019d338080 R09: 0000000000000000
[  287.757504] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  287.764769] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  287.772086]  skb_clone+0x1bb/0x500
[  287.775643]  ? finish_task_switch+0x2f5/0x900
[  287.780395]  ? skb_split+0x11e0/0x11e0
[  287.784286]  ? preempt_notifier_register+0x200/0x200
[  287.789406]  ? __switch_to_asm+0x34/0x70
[  287.793469]  ? __switch_to_asm+0x34/0x70
[  287.797527]  ? __switch_to_asm+0x40/0x70
[  287.801585]  ? __switch_to_asm+0x34/0x70
[  287.805644]  ? __switch_to_asm+0x40/0x70
[  287.809701]  ? __switch_to_asm+0x34/0x70
[  287.813761]  ? __switch_to_asm+0x40/0x70
[  287.817830]  ? __switch_to_asm+0x34/0x70
[  287.821900]  ? __switch_to_asm+0x34/0x70
[  287.825964]  ? __switch_to_asm+0x40/0x70
[  287.830020]  ? __switch_to_asm+0x34/0x70
[  287.834095]  bpf_clone_redirect+0xb9/0x490
[  287.838333]  ? __schedule+0x874/0x1ed0
[  287.842259]  bpf_prog_bebbfe2050753572+0x482/0x1000
[  287.847293]  ? __sched_text_start+0x8/0x8
[  287.851484]  ? find_held_lock+0x36/0x1c0
[  287.855554]  ? lock_acquire+0x1ed/0x520
[  287.859532]  ? bpf_test_run+0x32e/0x5a0
[  287.863537]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.869079]  ? check_preemption_disabled+0x48/0x200
[  287.874115]  ? kasan_check_read+0x11/0x20
[  287.878266]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  287.883544]  ? rcu_bh_qs+0xc0/0xc0
[  287.887085]  ? preempt_schedule+0x4d/0x60
[  287.891235]  ? ___preempt_schedule+0x16/0x18
[  287.895653]  ? bpf_test_run+0x1c0/0x5a0
[  287.899642]  ? netlink_diag_dump+0x2a0/0x2a0
[  287.904054]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  287.909591]  ? bpf_test_init.isra.9+0x70/0x100
[  287.914178]  ? bpf_prog_test_run_skb+0x634/0xb40
[  287.918942]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  287.923794]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  287.929328]  ? fput+0x130/0x1a0
[  287.932623]  ? __bpf_prog_get+0x9b/0x290
[  287.936687]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  287.941529]  ? bpf_prog_test_run+0x130/0x1a0
[  287.945950]  ? __x64_sys_bpf+0x3d8/0x510
[  287.950007]  ? bpf_prog_get+0x20/0x20
[  287.953829]  ? ksys_ioctl+0x81/0xd0
[  287.957474]  ? do_syscall_64+0x1b9/0x820
[  287.961561]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  287.966929]  ? syscall_return_slowpath+0x5e0/0x5e0
[  287.971858]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  287.976706]  ? trace_hardirqs_off+0x300/0x300
[  287.981208]  ? prepare_exit_to_usermode+0x291/0x3b0
[  287.986230]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  287.991081]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  287.996478] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
[  287.996582] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  288.003237] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  288.003244] Call Trace:
[  288.003262]  dump_stack+0x1c4/0x2b4
[  288.003279]  ? dump_stack_print_info.cold.2+0x52/0x52
[  288.003306]  warn_alloc.cold.118+0xb7/0x1bd
[  288.009877] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  288.019123]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  288.021700] syz-executor1 cpuset=
[  288.025327]  ? lock_downgrade+0x900/0x900
[  288.030502] syz1
[  288.034821]  ? trace_hardirqs_off+0xb8/0x300
[  288.045305]  mems_allowed=0
[  288.050139]  ? trace_hardirqs_off+0xb8/0x300
[  288.071421]  __alloc_pages_slowpath+0x2667/0x2d80
[  288.076309]  ? warn_alloc+0x120/0x120
[  288.080116]  ? warn_alloc+0x120/0x120
[  288.083928]  ? print_usage_bug+0xc0/0xc0
[  288.088003]  ? warn_alloc+0x120/0x120
[  288.091807]  ? print_usage_bug+0xc0/0xc0
[  288.095879]  ? __lock_acquire+0x7ec/0x4ec0
[  288.100110]  ? __lock_acquire+0x7ec/0x4ec0
[  288.104349]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  288.109893]  ? should_fail+0x22d/0xd01
[  288.113790]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  288.118893]  ? __lock_acquire+0x7ec/0x4ec0
[  288.123134]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  288.128263]  ? __lock_acquire+0x7ec/0x4ec0
[  288.132498]  ? should_fail+0x22d/0xd01
[  288.136403]  ? mark_held_locks+0x130/0x130
[  288.140648]  ? mark_held_locks+0x130/0x130
[  288.144884]  ? graph_lock+0x170/0x170
[  288.148685]  ? graph_lock+0x170/0x170
[  288.152502]  ? graph_lock+0x170/0x170
[  288.156301]  ? print_usage_bug+0xc0/0xc0
[  288.160358]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.165928]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.171467]  ? check_preemption_disabled+0x48/0x200
[  288.176482]  ? check_preemption_disabled+0x48/0x200
[  288.181507]  ? __lock_is_held+0xb5/0x140
[  288.185578]  __alloc_pages_nodemask+0xa80/0xde0
[  288.190248]  ? graph_lock+0x170/0x170
[  288.194069]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  288.199084]  ? graph_lock+0x170/0x170
[  288.202891]  ? find_held_lock+0x36/0x1c0
[  288.206999]  ? ____cache_alloc_node+0x1c7/0x1e0
[  288.211666]  ? lock_downgrade+0x900/0x900
[  288.215824]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.221365]  cache_grow_begin+0x91/0x8c0
[  288.225432]  ? do_raw_spin_unlock+0xa7/0x2f0
[  288.229847]  fallback_alloc+0x203/0x2e0
[  288.233837]  ____cache_alloc_node+0x1c7/0x1e0
[  288.238337]  kmem_cache_alloc_node+0xe3/0x730
[  288.242837]  ? ipv6_get_ifaddr+0x42e/0x620
[  288.247079]  __alloc_skb+0x119/0x770
[  288.250797]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  288.256077]  ? skb_scrub_packet+0x490/0x490
[  288.260401]  ? lock_downgrade+0x900/0x900
[  288.264562]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.270100]  ? refcount_sub_and_test_checked+0x203/0x310
[  288.275577]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  288.281025]  ? addrconf_rs_timer+0x6f0/0x6f0
[  288.285483]  ndisc_alloc_skb+0x144/0x340
[  288.289575]  ndisc_send_rs+0x331/0x6e0
[  288.293474]  addrconf_rs_timer+0x3c0/0x6f0
[  288.297713]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.301972]  call_timer_fn+0x272/0x920
[  288.305864]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.310112]  ? process_timeout+0x40/0x40
[  288.314186]  ? find_held_lock+0x36/0x1c0
[  288.318252]  ? __run_timers+0x7da/0xc70
[  288.322230]  ? _raw_spin_unlock_irq+0x27/0x80
[  288.326736]  ? _raw_spin_unlock_irq+0x27/0x80
[  288.331251]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.335487]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  288.340067]  ? trace_hardirqs_on+0xbd/0x310
[  288.344395]  ? kasan_check_read+0x11/0x20
[  288.348550]  ? __run_timers+0x7da/0xc70
[  288.352527]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  288.357983]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.362245]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.366477]  __run_timers+0x7e5/0xc70
[  288.370316]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  288.375678]  ? compat_start_thread+0x80/0x80
[  288.380089]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.385637]  ? kasan_check_write+0x14/0x20
[  288.389887]  ? finish_task_switch+0x2f5/0x900
[  288.394392]  ? __switch_to_asm+0x40/0x70
[  288.398467]  ? preempt_notifier_register+0x200/0x200
[  288.403592]  ? __switch_to_asm+0x34/0x70
[  288.407650]  ? __switch_to_asm+0x40/0x70
[  288.411709]  ? __switch_to_asm+0x34/0x70
[  288.415771]  ? __switch_to_asm+0x40/0x70
[  288.419830]  ? __switch_to_asm+0x34/0x70
[  288.423889]  ? __switch_to_asm+0x40/0x70
[  288.427964]  ? pvclock_read_flags+0x160/0x160
[  288.432465]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.438012]  ? check_preemption_disabled+0x48/0x200
[  288.443067]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  288.448365]  ? rcu_pm_notify+0xc0/0xc0
[  288.452261]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.457802]  ? check_preemption_disabled+0x48/0x200
[  288.462825]  run_timer_softirq+0x52/0xb0
[  288.466888]  ? rcu_read_lock_sched_held+0x108/0x120
[  288.471934]  __do_softirq+0x30b/0xad8
[  288.475746]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  288.480888]  ? schedule+0x108/0x460
[  288.484544]  ? __schedule+0x1ed0/0x1ed0
[  288.488525]  ? trace_hardirqs_off+0xb8/0x300
[  288.492938]  ? ___might_sleep+0x1ed/0x300
[  288.497088]  ? smpboot_thread_fn+0x68b/0xa00
[  288.501497]  ? trace_hardirqs_on+0x310/0x310
[  288.505925]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  288.511471]  ? check_preemption_disabled+0x48/0x200
[  288.516485]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.522027]  ? takeover_tasklets+0xa90/0xa90
[  288.526442]  run_ksoftirqd+0x94/0x100
[  288.530246]  smpboot_thread_fn+0x68b/0xa00
[  288.534491]  ? sort_range+0x30/0x30
[  288.538136]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  288.543238]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  288.548774]  ? __kthread_parkme+0xfb/0x1a0
[  288.553011]  kthread+0x35a/0x420
[  288.556395]  ? sort_range+0x30/0x30
[  288.560022]  ? kthread_bind+0x40/0x40
[  288.563839]  ret_from_fork+0x3a/0x50
[  288.567566] warn_alloc_show_mem: 1 callbacks suppressed
[  288.567579] CPU: 1 PID: 10110 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
[  288.567581] Mem-Info:
[  288.567619] active_anon:39159 inactive_anon:1633 isolated_anon:0
[  288.567619]  active_file:15 inactive_file:16 isolated_file:0
[  288.567619]  unevictable:0 dirty:0 writeback:0 unstable:0
[  288.567619]  slab_reclaimable:8773 slab_unreclaimable:1470459
[  288.567619]  mapped:49330 shmem:1666 pagetables:630 bounce:0
[  288.567619]  free:13723 free_pcp:275 free_cma:0
[  288.572956] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  288.580235] Node 0 active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197320kB dirty:0kB writeback:0kB shmem:6664kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  288.582638] Call Trace:
[  288.615682] Node 0 
[  288.625033]  <IRQ>
[  288.652730] 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
[  288.655295]  dump_stack+0x1c4/0x2b4
[  288.657495] lowmem_reserve[]: 0
[  288.659649]  ? dump_stack_print_info.cold.2+0x52/0x52
[  288.685123]  2817 6321
[  288.688768]  warn_alloc.cold.118+0xb7/0x1bd
[  288.692009]  6321
[  288.697193]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  288.703980]  ? lock_downgrade+0x900/0x900
[  288.706020] Node 0 
[  288.710862]  ? trace_hardirqs_off+0xb8/0x300
[  288.715009] DMA32 free:25172kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  288.717221]  ? trace_hardirqs_off+0xb8/0x300
[  288.721595] lowmem_reserve[]: 0
[  288.748329]  __alloc_pages_slowpath+0x2667/0x2d80
[  288.752705]  0 3503
[  288.756017]  ? warn_alloc+0x120/0x120
[  288.760812]  3503
[  288.763044]  ? trace_hardirqs_on+0x310/0x310
[  288.766825] Node 0 
[  288.768885]  ? warn_alloc+0x120/0x120
[  288.773301] Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5408kB pagetables:2520kB bounce:0kB free_pcp:852kB local_pcp:604kB free_cma:0kB
[  288.775510]  ? print_usage_bug+0xc0/0xc0
[  288.779286] lowmem_reserve[]:
[  288.807651]  ? warn_alloc+0x120/0x120
[  288.811691]  0
[  288.814796]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  288.818569]  0
[  288.820369]  ? print_usage_bug+0xc0/0xc0
[  288.825359]  0 0
[  288.827165]  ? __lock_acquire+0x7ec/0x4ec0
[  288.833174]  ? __lock_acquire+0x7ec/0x4ec0
[  288.837393] Node 0 DMA: 
[  288.841627]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  288.841645]  ? should_fail+0x22d/0xd01
[  288.844308] 1*4kB 
[  288.849842]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  288.853706] (U) 
[  288.855850]  ? __lock_acquire+0x7ec/0x4ec0
[  288.860928] 0*8kB 
[  288.862902]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  288.867107] 0*16kB 1*32kB 
[  288.869263]  ? __lock_acquire+0x7ec/0x4ec0
[  288.874351] (U) 
[  288.877204]  ? should_fail+0x22d/0xd01
[  288.881414] 2*64kB 
[  288.883395]  ? print_usage_bug+0xc0/0xc0
[  288.883419]  ? mark_held_locks+0x130/0x130
[  288.887279] (U) 
[  288.889521]  ? mark_held_locks+0x130/0x130
[  288.893555] 1*128kB (U) 
[  288.897799]  ? graph_lock+0x170/0x170
[  288.899749] 1*256kB 
[  288.903974]  ? print_usage_bug+0xc0/0xc0
[  288.906622] (U) 
[  288.910419]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  288.912728] 0*512kB 
[  288.916783]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.918732] 1*1024kB (U) 
[  288.923496]  ? check_preemption_disabled+0x48/0x200
[  288.925804] 1*2048kB (M) 
[  288.931346]  ? check_preemption_disabled+0x48/0x200
[  288.934081] 3*4096kB 
[  288.939102]  ? __lock_is_held+0xb5/0x140
[  288.941832] (M) 
[  288.946848]  __alloc_pages_nodemask+0xa80/0xde0
[  288.949225] = 15908kB
[  288.949234] Node 0 
[  288.953286]  ? graph_lock+0x170/0x170
[  288.955253] DMA32: 
[  288.959928]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  288.962313] 3*4kB 
[  288.964542]  ? graph_lock+0x170/0x170
[  288.968320] (UM) 
[  288.970562]  ? find_held_lock+0x36/0x1c0
[  288.975546] 1*8kB (U) 
[  288.977710]  ? ____cache_alloc_node+0x1c7/0x1e0
[  288.981483] 4*16kB 
[  288.983545]  ? lock_downgrade+0x900/0x900
[  288.987580] (UM) 
[  288.990074]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.994713] 2*32kB 
[  288.996971]  cache_grow_begin+0x91/0x8c0
[  289.001094] (UM) 
[  289.003157]  ? do_raw_spin_unlock+0xa7/0x2f0
[  289.008671] 3*64kB 
[  289.010917]  fallback_alloc+0x203/0x2e0
[  289.014937] (UM) 
[  289.016999]  ____cache_alloc_node+0x1c7/0x1e0
[  289.021386] 4*128kB (UM) 
[  289.023631]  kmem_cache_alloc_node+0xe3/0x730
[  289.027579] 3*256kB (UM) 
[  289.029662]  ? ipv6_get_ifaddr+0x42e/0x620
[  289.034132] 4*512kB 
[  289.036891]  __alloc_skb+0x119/0x770
[  289.041356] (UM) 
[  289.044484]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  289.048697] 3*1024kB 
[  289.051018]  ? skb_scrub_packet+0x490/0x490
[  289.054706] (M) 
[  289.056767]  ? lock_downgrade+0x900/0x900
[  289.062020] 3*2048kB 
[  289.064445]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.068754] (UM) 
[  289.070756]  ? refcount_sub_and_test_checked+0x203/0x310
[  289.074869] 3*4096kB (M) 
[  289.077282]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  289.082790] = 25172kB
[  289.082799] Node 0 
[  289.084962]  ? addrconf_rs_timer+0x6f0/0x6f0
[  289.090412] Normal: 979*4kB (ME) 483*8kB (UME) 201*16kB 
[  289.093482]  ndisc_alloc_skb+0x144/0x340
[  289.098891] (ME) 59*32kB 
[  289.101318]  ndisc_send_rs+0x331/0x6e0
[  289.103531] (UME) 
[  289.107948]  addrconf_rs_timer+0x3c0/0x6f0
[  289.113370] 15*64kB (UM) 
[  289.117438]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  289.120164] 0*128kB 0*256kB 
[  289.124065]  call_timer_fn+0x272/0x920
[  289.126194] 0*512kB 
[  289.130439]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  289.133170] 0*1024kB 0*2048kB 
[  289.137410]  ? process_timeout+0x40/0x40
[  289.140415] 0*4096kB 
[  289.144291]  ? find_held_lock+0x36/0x1c0
[  289.146590] = 13844kB
[  289.150820]  ? __run_timers+0x7da/0xc70
[  289.154121] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  289.158175]  ? _raw_spin_unlock_irq+0x27/0x80
[  289.160583] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  289.164631]  ? _raw_spin_unlock_irq+0x27/0x80
[  289.167021] 1697 total pagecache pages
[  289.170988]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  289.179831] 0 pages in swap cache
[  289.184336]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  289.192889] Swap cache stats: add 0, delete 0, find 0/0
[  289.197403]  ? trace_hardirqs_on+0xbd/0x310
[  289.201280] Free swap  = 0kB
[  289.205522]  ? kasan_check_read+0x11/0x20
[  289.208956] Total swap = 0kB
[  289.208964] 1965979 pages RAM
[  289.213555]  ? __run_timers+0x7da/0xc70
[  289.218890] 0 pages HighMem/MovableOnly
[  289.218899] 342744 pages reserved
[  289.223231]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  289.226225] 0 pages cma reserved
[  289.230387]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  289.233461] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  289.236480]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  289.240544] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  289.244408]  __run_timers+0x7e5/0xc70
[  289.247842] ksoftirqd/0 cpuset=
[  289.253298]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  289.256638] /
[  289.260872]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  289.267335]  mems_allowed=0
[  289.271574]  ? rcu_bh_qs+0xc0/0xc0
[  289.307691]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.313236]  ? check_preemption_disabled+0x48/0x200
[  289.318284]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  289.323066]  ? retint_kernel+0x2d/0x2d
[  289.326967]  ? trace_hardirqs_on_caller+0xc0/0x300
[  289.331897]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  289.336662]  ? trace_hardirqs_off_caller+0x300/0x300
[  289.341904]  ? check_preemption_disabled+0x48/0x200
[  289.346938]  ? graph_lock+0x170/0x170
[  289.350743]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.356314]  ? check_preemption_disabled+0x48/0x200
[  289.361357]  ? __lock_is_held+0xb5/0x140
[  289.365428]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.370972]  ? check_preemption_disabled+0x48/0x200
[  289.375997]  run_timer_softirq+0x52/0xb0
[  289.380057]  ? rcu_read_lock_sched_held+0x108/0x120
[  289.385089]  __do_softirq+0x30b/0xad8
[  289.388900]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  289.394027]  ? pvclock_read_flags+0x160/0x160
[  289.398532]  ? lapic_next_event+0x5a/0x90
[  289.402696]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.408239]  ? check_preemption_disabled+0x48/0x200
[  289.413268]  ? check_preemption_disabled+0x48/0x200
[  289.418291]  ? kvm_clock_read+0x18/0x30
[  289.422269]  ? kvm_sched_clock_read+0x9/0x20
[  289.426681]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.432230]  ? check_preemption_disabled+0x48/0x200
[  289.437264]  irq_exit+0x17f/0x1c0
[  289.440722]  smp_apic_timer_interrupt+0x1cb/0x760
[  289.445565]  ? smp_reschedule_interrupt+0x109/0x650
[  289.450583]  ? smp_call_function_single_interrupt+0x650/0x650
[  289.456469]  ? interrupt_entry+0xb5/0xf0
[  289.460531]  ? trace_hardirqs_off_caller+0xbb/0x300
[  289.465548]  ? trace_hardirqs_off_caller+0xbb/0x300
[  289.470568]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  289.475413]  ? trace_hardirqs_off+0x300/0x300
[  289.479914]  ? trace_hardirqs_off+0x300/0x300
[  289.484419]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.489987]  ? check_preemption_disabled+0x48/0x200
[  289.495006]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.500551]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  289.505408]  apic_timer_interrupt+0xf/0x20
[  289.509651]  </IRQ>
[  289.511895] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  289.516834] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 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 9a 42
[  289.535747] RSP: 0018:ffff88019cfa7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  289.543458] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  289.550729] RDX: 0000000000000000 RSI: ffff88019d338900 RDI: 0000000000000282
[  289.557994] RBP: ffff88019cfa77b0 R08: ffff88019d338080 R09: 0000000000000000
[  289.565258] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  289.572549] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  289.579862]  skb_clone+0x1bb/0x500
[  289.583409]  ? finish_task_switch+0x2f5/0x900
[  289.587905]  ? skb_split+0x11e0/0x11e0
[  289.591800]  ? preempt_notifier_register+0x200/0x200
[  289.596912]  ? __switch_to_asm+0x34/0x70
[  289.600978]  ? __switch_to_asm+0x34/0x70
[  289.605034]  ? __switch_to_asm+0x40/0x70
[  289.609097]  ? __switch_to_asm+0x34/0x70
[  289.613160]  ? __switch_to_asm+0x40/0x70
[  289.617362]  ? __switch_to_asm+0x34/0x70
[  289.621534]  ? __switch_to_asm+0x40/0x70
[  289.625597]  ? __switch_to_asm+0x34/0x70
[  289.629660]  ? __switch_to_asm+0x34/0x70
[  289.633721]  ? __switch_to_asm+0x40/0x70
[  289.637788]  ? __switch_to_asm+0x34/0x70
[  289.641861]  bpf_clone_redirect+0xb9/0x490
[  289.646103]  ? __schedule+0x874/0x1ed0
[  289.649998]  bpf_prog_bebbfe2050753572+0x482/0x1000
[  289.655017]  ? __sched_text_start+0x8/0x8
[  289.659183]  ? find_held_lock+0x36/0x1c0
[  289.663257]  ? lock_acquire+0x1ed/0x520
[  289.667232]  ? bpf_test_run+0x32e/0x5a0
[  289.671207]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.676752]  ? check_preemption_disabled+0x48/0x200
[  289.681774]  ? kasan_check_read+0x11/0x20
[  289.685933]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  289.691210]  ? rcu_bh_qs+0xc0/0xc0
[  289.694755]  ? preempt_schedule+0x4d/0x60
[  289.698918]  ? ___preempt_schedule+0x16/0x18
[  289.703334]  ? bpf_test_run+0x1c0/0x5a0
[  289.707344]  ? netlink_diag_dump+0x2a0/0x2a0
[  289.711790]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  289.717323]  ? bpf_test_init.isra.9+0x70/0x100
[  289.721927]  ? bpf_prog_test_run_skb+0x634/0xb40
[  289.726708]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  289.731550]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  289.737097]  ? fput+0x130/0x1a0
[  289.740396]  ? __bpf_prog_get+0x9b/0x290
[  289.744463]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  289.749301]  ? bpf_prog_test_run+0x130/0x1a0
[  289.753721]  ? __x64_sys_bpf+0x3d8/0x510
[  289.757783]  ? bpf_prog_get+0x20/0x20
[  289.761598]  ? ksys_ioctl+0x81/0xd0
[  289.765237]  ? do_syscall_64+0x1b9/0x820
[  289.769299]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  289.774668]  ? syscall_return_slowpath+0x5e0/0x5e0
[  289.779597]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  289.784456]  ? trace_hardirqs_off+0x300/0x300
[  289.788972]  ? prepare_exit_to_usermode+0x291/0x3b0
[  289.794021]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  289.798897]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  289.804297] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
[  289.804398] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  289.811056] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  289.811062] Call Trace:
[  289.811093]  dump_stack+0x1c4/0x2b4
[  289.811110]  ? dump_stack_print_info.cold.2+0x52/0x52
[  289.811138]  warn_alloc.cold.118+0xb7/0x1bd
[  289.817703] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  289.826963]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  289.829538] syz-executor1 cpuset=
[  289.833174]  ? lock_downgrade+0x900/0x900
[  289.838353] syz1
[  289.842673]  ? trace_hardirqs_off+0xb8/0x300
[  289.853134]  mems_allowed=0
[  289.857972]  ? trace_hardirqs_off+0xb8/0x300
[  289.879260]  __alloc_pages_slowpath+0x2667/0x2d80
[  289.884135]  ? warn_alloc+0x120/0x120
[  289.887947]  ? warn_alloc+0x120/0x120
[  289.891749]  ? print_usage_bug+0xc0/0xc0
[  289.895822]  ? warn_alloc+0x120/0x120
[  289.899623]  ? print_usage_bug+0xc0/0xc0
[  289.903690]  ? __lock_acquire+0x7ec/0x4ec0
[  289.907928]  ? __lock_acquire+0x7ec/0x4ec0
[  289.912170]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  289.917707]  ? should_fail+0x22d/0xd01
[  289.921597]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  289.926700]  ? __lock_acquire+0x7ec/0x4ec0
[  289.930959]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  289.936069]  ? __lock_acquire+0x7ec/0x4ec0
[  289.940297]  ? should_fail+0x22d/0xd01
[  289.944206]  ? print_usage_bug+0xc0/0xc0
[  289.948271]  ? mark_held_locks+0x130/0x130
[  289.952512]  ? mark_held_locks+0x130/0x130
[  289.956757]  ? graph_lock+0x170/0x170
[  289.960555]  ? print_usage_bug+0xc0/0xc0
[  289.964615]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  289.969370]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.974912]  ? check_preemption_disabled+0x48/0x200
[  289.979931]  ? check_preemption_disabled+0x48/0x200
[  289.984973]  ? __lock_is_held+0xb5/0x140
[  289.989052]  __alloc_pages_nodemask+0xa80/0xde0
[  289.993722]  ? graph_lock+0x170/0x170
[  289.997534]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  290.002555]  ? graph_lock+0x170/0x170
[  290.006388]  ? find_held_lock+0x36/0x1c0
[  290.010479]  ? ____cache_alloc_node+0x1c7/0x1e0
[  290.015148]  ? lock_downgrade+0x900/0x900
[  290.019319]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.024875]  cache_grow_begin+0x91/0x8c0
[  290.028940]  ? do_raw_spin_unlock+0xa7/0x2f0
[  290.033378]  fallback_alloc+0x203/0x2e0
[  290.037364]  ____cache_alloc_node+0x1c7/0x1e0
[  290.041865]  kmem_cache_alloc_node+0xe3/0x730
[  290.046397]  ? ipv6_get_ifaddr+0x42e/0x620
[  290.050651]  __alloc_skb+0x119/0x770
[  290.054369]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  290.059665]  ? skb_scrub_packet+0x490/0x490
[  290.063983]  ? lock_downgrade+0x900/0x900
[  290.068153]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.073690]  ? refcount_sub_and_test_checked+0x203/0x310
[  290.079145]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  290.084601]  ? addrconf_rs_timer+0x6f0/0x6f0
[  290.089026]  ndisc_alloc_skb+0x144/0x340
[  290.093096]  ndisc_send_rs+0x331/0x6e0
[  290.096992]  addrconf_rs_timer+0x3c0/0x6f0
[  290.101234]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.105486]  call_timer_fn+0x272/0x920
[  290.109391]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.113636]  ? process_timeout+0x40/0x40
[  290.117696]  ? find_held_lock+0x36/0x1c0
[  290.121769]  ? __run_timers+0x7da/0xc70
[  290.125758]  ? _raw_spin_unlock_irq+0x27/0x80
[  290.130250]  ? _raw_spin_unlock_irq+0x27/0x80
[  290.134747]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.138984]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  290.143570]  ? trace_hardirqs_on+0xbd/0x310
[  290.147915]  ? kasan_check_read+0x11/0x20
[  290.152063]  ? __run_timers+0x7da/0xc70
[  290.156040]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  290.161494]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.165731]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.169965]  __run_timers+0x7e5/0xc70
[  290.173784]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  290.179145]  ? compat_start_thread+0x80/0x80
[  290.183557]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.189102]  ? kasan_check_write+0x14/0x20
[  290.193341]  ? finish_task_switch+0x2f5/0x900
[  290.197834]  ? __switch_to_asm+0x40/0x70
[  290.201909]  ? preempt_notifier_register+0x200/0x200
[  290.207013]  ? __switch_to_asm+0x34/0x70
[  290.211087]  ? __switch_to_asm+0x40/0x70
[  290.215144]  ? __switch_to_asm+0x34/0x70
[  290.219207]  ? __switch_to_asm+0x40/0x70
[  290.223269]  ? __switch_to_asm+0x34/0x70
[  290.227331]  ? __switch_to_asm+0x40/0x70
[  290.231417]  ? pvclock_read_flags+0x160/0x160
[  290.235911]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.241454]  ? check_preemption_disabled+0x48/0x200
[  290.246479]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  290.251794]  ? rcu_pm_notify+0xc0/0xc0
[  290.255698]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.261233]  ? check_preemption_disabled+0x48/0x200
[  290.266258]  run_timer_softirq+0x52/0xb0
[  290.270319]  ? rcu_read_lock_sched_held+0x108/0x120
[  290.275336]  __do_softirq+0x30b/0xad8
[  290.279151]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  290.284263]  ? schedule+0x108/0x460
[  290.287921]  ? __schedule+0x1ed0/0x1ed0
[  290.291915]  ? trace_hardirqs_off+0xb8/0x300
[  290.296339]  ? ___might_sleep+0x1ed/0x300
[  290.300482]  ? smpboot_thread_fn+0x68b/0xa00
[  290.304928]  ? trace_hardirqs_on+0x310/0x310
[  290.309335]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  290.314879]  ? check_preemption_disabled+0x48/0x200
[  290.319895]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.325441]  ? takeover_tasklets+0xa90/0xa90
[  290.329855]  run_ksoftirqd+0x94/0x100
[  290.333654]  smpboot_thread_fn+0x68b/0xa00
[  290.337891]  ? sort_range+0x30/0x30
[  290.341533]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  290.346639]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  290.352176]  ? __kthread_parkme+0xfb/0x1a0
[  290.356425]  kthread+0x35a/0x420
[  290.359788]  ? sort_range+0x30/0x30
[  290.363442]  ? kthread_bind+0x40/0x40
[  290.367243]  ret_from_fork+0x3a/0x50
[  290.370994] warn_alloc_show_mem: 1 callbacks suppressed
[  290.371007] CPU: 1 PID: 10110 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
[  290.371009] Mem-Info:
[  290.371040] active_anon:39159 inactive_anon:1633 isolated_anon:0
[  290.371040]  active_file:15 inactive_file:16 isolated_file:0
[  290.371040]  unevictable:0 dirty:0 writeback:0 unstable:0
[  290.371040]  slab_reclaimable:8773 slab_unreclaimable:1470459
[  290.371040]  mapped:49330 shmem:1666 pagetables:630 bounce:0
[  290.371040]  free:13723 free_pcp:275 free_cma:0
[  290.376386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  290.376395] Call Trace:
[  290.383679] Node 0 active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197320kB dirty:0kB writeback:0kB shmem:6664kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  290.386084]  <IRQ>
[  290.419135] Node 0 
[  290.428502]  dump_stack+0x1c4/0x2b4
[  290.431083] 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
[  290.458740]  ? dump_stack_print_info.cold.2+0x52/0x52
[  290.460865] lowmem_reserve[]:
[  290.463113]  warn_alloc.cold.118+0xb7/0x1bd
[  290.466706]  0
[  290.492210]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  290.497374]  2817
[  290.500480]  ? lock_downgrade+0x900/0x900
[  290.504778]  6321
[  290.506580]  ? trace_hardirqs_off+0xb8/0x300
[  290.511400]  6321
[  290.513476]  ? trace_hardirqs_off+0xb8/0x300
[  290.517597] Node 0 
[  290.519665]  __alloc_pages_slowpath+0x2667/0x2d80
[  290.524071] DMA32 free:25172kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  290.526129]  ? warn_alloc+0x120/0x120
[  290.530490] lowmem_reserve[]:
[  290.532724]  ? trace_hardirqs_on+0x310/0x310
[  290.537545]  0
[  290.564271]  ? warn_alloc+0x120/0x120
[  290.568051]  0
[  290.571155]  ? print_usage_bug+0xc0/0xc0
[  290.575538]  3503
[  290.577336]  ? warn_alloc+0x120/0x120
[  290.581111]  3503
[  290.582920]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  290.586952] Node 0 
[  290.589011]  ? print_usage_bug+0xc0/0xc0
[  290.592826] Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5408kB pagetables:2520kB bounce:0kB free_pcp:852kB local_pcp:604kB free_cma:0kB
[  290.594856]  ? __lock_acquire+0x7ec/0x4ec0
[  290.599846] lowmem_reserve[]:
[  290.602078]  ? __lock_acquire+0x7ec/0x4ec0
[  290.606117]  0
[  290.634487]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  290.638695]  0
[  290.641808]  ? should_fail+0x22d/0xd01
[  290.646038]  0
[  290.647844]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  290.653352]  0
[  290.655160]  ? __lock_acquire+0x7ec/0x4ec0
[  290.659025] Node 0 
[  290.660823]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  290.665901] DMA: 
[  290.667706]  ? __lock_acquire+0x7ec/0x4ec0
[  290.671940] 1*4kB 
[  290.674181]  ? should_fail+0x22d/0xd01
[  290.679255] (U) 
[  290.681323]  ? print_usage_bug+0xc0/0xc0
[  290.685534] 0*8kB 
[  290.687683]  ? mark_held_locks+0x130/0x130
[  290.691538] 0*16kB 1*32kB 
[  290.693523]  ? mark_held_locks+0x130/0x130
[  290.697557] (U) 2*64kB 
[  290.699719]  ? graph_lock+0x170/0x170
[  290.703919] (U) 1*128kB 
[  290.706769]  ? print_usage_bug+0xc0/0xc0
[  290.710980] (U) 
[  290.713564]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  290.717338] 1*256kB 
[  290.720005]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.724038] (U) 
[  290.726015]  ? check_preemption_disabled+0x48/0x200
[  290.730745] 0*512kB 
[  290.733069]  ? check_preemption_disabled+0x48/0x200
[  290.738580] 1*1024kB 
[  290.740562]  ? __lock_is_held+0xb5/0x140
[  290.745538] (U) 1*2048kB 
[  290.747873]  __alloc_pages_nodemask+0xa80/0xde0
[  290.752851] (M) 3*4096kB 
[  290.755264]  ? graph_lock+0x170/0x170
[  290.759317] (M) 
[  290.762224]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  290.766878] = 15908kB
[  290.769636]  ? graph_lock+0x170/0x170
[  290.773415] Node 0 
[  290.775393]  ? find_held_lock+0x36/0x1c0
[  290.780390] DMA32: 
[  290.782806]  ? ____cache_alloc_node+0x1c7/0x1e0
[  290.786576] 3*4kB 
[  290.788810]  ? lock_downgrade+0x900/0x900
[  290.792849] (UM) 
[  290.795088]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.799726] 1*8kB 
[  290.801875]  cache_grow_begin+0x91/0x8c0
[  290.805997] (U) 
[  290.808064]  ? do_raw_spin_unlock+0xa7/0x2f0
[  290.813570] 4*16kB (UM) 
[  290.815733]  fallback_alloc+0x203/0x2e0
[  290.819756] 2*32kB (UM) 
[  290.821747]  ____cache_alloc_node+0x1c7/0x1e0
[  290.826132] 3*64kB 
[  290.828799]  kmem_cache_alloc_node+0xe3/0x730
[  290.832748] (UM) 
[  290.835429]  ? ipv6_get_ifaddr+0x42e/0x620
[  290.839899] 4*128kB 
[  290.842155]  __alloc_skb+0x119/0x770
[  290.846618] (UM) 
[  290.848683]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  290.852885] 3*256kB (UM) 
[  290.855221]  ? skb_scrub_packet+0x490/0x490
[  290.858918] 4*512kB (UM) 
[  290.860986]  ? lock_downgrade+0x900/0x900
[  290.866235] 3*1024kB (M) 
[  290.869004]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.873290] 3*2048kB (UM) 
[  290.876055]  ? refcount_sub_and_test_checked+0x203/0x310
[  290.880171] 3*4096kB (M) 
[  290.882940]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  290.888458] = 25172kB
[  290.891299]  ? addrconf_rs_timer+0x6f0/0x6f0
[  290.896721] Node 0 
[  290.899491]  ndisc_alloc_skb+0x144/0x340
[  290.904903] Normal: 
[  290.907317]  ndisc_send_rs+0x331/0x6e0
[  290.911700] 979*4kB 
[  290.913946]  addrconf_rs_timer+0x3c0/0x6f0
[  290.918006] (ME) 
[  290.920346]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.924201] 483*8kB 
[  290.926534]  call_timer_fn+0x272/0x920
[  290.930731] (UME) 
[  290.932789]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.936998] 201*16kB (ME) 
[  290.939337]  ? process_timeout+0x40/0x40
[  290.943199] 59*32kB 
[  290.945342]  ? find_held_lock+0x36/0x1c0
[  290.949549] (UME) 
[  290.952417]  ? __run_timers+0x7da/0xc70
[  290.956463] 15*64kB 
[  290.958785]  ? _raw_spin_unlock_irq+0x27/0x80
[  290.962816] (UM) 
[  290.964975]  ? _raw_spin_unlock_irq+0x27/0x80
[  290.968927] 0*128kB 
[  290.971248]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.975718] 0*256kB 
[  290.977777]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  290.982250] 0*512kB 
[  290.984574]  ? trace_hardirqs_on+0xbd/0x310
[  290.988786] 0*1024kB 
[  290.991104]  ? kasan_check_read+0x11/0x20
[  290.995663] 0*2048kB 
[  290.997993]  ? __run_timers+0x7da/0xc70
[  291.002286] 0*4096kB = 13844kB
[  291.004709]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  291.008847] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  291.011259]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.015214] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  291.018414]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.023846] 1697 total pagecache pages
[  291.032688]  __run_timers+0x7e5/0xc70
[  291.036903] 0 pages in swap cache
[  291.045682]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  291.049891] Swap cache stats: add 0, delete 0, find 0/0
[  291.053783]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  291.057557] Free swap  = 0kB
[  291.061013]  ? rcu_bh_qs+0xc0/0xc0
[  291.066353] Total swap = 0kB
[  291.071710]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.076957] 1965979 pages RAM
[  291.079974]  ? check_preemption_disabled+0x48/0x200
[  291.083482] 0 pages HighMem/MovableOnly
[  291.083491] 342744 pages reserved
[  291.086523]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  291.092024] 0 pages cma reserved
[  291.092119] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  291.095132]  ? retint_kernel+0x2d/0x2d
[  291.100218] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  291.104099]  ? trace_hardirqs_on_caller+0xc0/0x300
[  291.107934] ksoftirqd/0 cpuset=
[  291.112689]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  291.116030] /
[  291.122519]  ? trace_hardirqs_off_caller+0x300/0x300
[  291.126390]  mems_allowed=0
[  291.136696]  ? check_preemption_disabled+0x48/0x200
[  291.164545]  ? graph_lock+0x170/0x170
[  291.168349]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.173892]  ? check_preemption_disabled+0x48/0x200
[  291.178931]  ? __lock_is_held+0xb5/0x140
[  291.182997]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.188536]  ? check_preemption_disabled+0x48/0x200
[  291.193565]  run_timer_softirq+0x52/0xb0
[  291.197629]  ? rcu_read_lock_sched_held+0x108/0x120
[  291.202651]  __do_softirq+0x30b/0xad8
[  291.206488]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  291.211609]  ? pvclock_read_flags+0x160/0x160
[  291.216108]  ? lapic_next_event+0x5a/0x90
[  291.220256]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.225792]  ? check_preemption_disabled+0x48/0x200
[  291.230808]  ? check_preemption_disabled+0x48/0x200
[  291.235845]  ? kvm_clock_read+0x18/0x30
[  291.239832]  ? kvm_sched_clock_read+0x9/0x20
[  291.244253]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.249788]  ? check_preemption_disabled+0x48/0x200
[  291.254818]  irq_exit+0x17f/0x1c0
[  291.258270]  smp_apic_timer_interrupt+0x1cb/0x760
[  291.263112]  ? smp_reschedule_interrupt+0x109/0x650
[  291.268144]  ? smp_call_function_single_interrupt+0x650/0x650
[  291.274026]  ? interrupt_entry+0xb5/0xf0
[  291.278090]  ? trace_hardirqs_off_caller+0xbb/0x300
[  291.283103]  ? trace_hardirqs_off_caller+0xbb/0x300
[  291.288121]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  291.292963]  ? trace_hardirqs_off+0x300/0x300
[  291.297467]  ? trace_hardirqs_off+0x300/0x300
[  291.301967]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.307502]  ? check_preemption_disabled+0x48/0x200
[  291.312518]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.318073]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  291.322932]  apic_timer_interrupt+0xf/0x20
[  291.327180]  </IRQ>
[  291.329420] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  291.334351] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 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 9a 42
[  291.353256] RSP: 0018:ffff88019cfa7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  291.360959] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  291.368221] RDX: 0000000000000000 RSI: ffff88019d338900 RDI: 0000000000000282
[  291.375489] RBP: ffff88019cfa77b0 R08: ffff88019d338080 R09: 0000000000000000
[  291.382754] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  291.390043] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  291.397351]  skb_clone+0x1bb/0x500
[  291.400898]  ? finish_task_switch+0x2f5/0x900
[  291.405623]  ? skb_split+0x11e0/0x11e0
[  291.409528]  ? preempt_notifier_register+0x200/0x200
[  291.414635]  ? __switch_to_asm+0x34/0x70
[  291.418694]  ? __switch_to_asm+0x34/0x70
[  291.422752]  ? __switch_to_asm+0x40/0x70
[  291.426810]  ? __switch_to_asm+0x34/0x70
[  291.430867]  ? __switch_to_asm+0x40/0x70
[  291.434928]  ? __switch_to_asm+0x34/0x70
[  291.438987]  ? __switch_to_asm+0x40/0x70
[  291.443047]  ? __switch_to_asm+0x34/0x70
[  291.447111]  ? __switch_to_asm+0x34/0x70
[  291.451167]  ? __switch_to_asm+0x40/0x70
[  291.455226]  ? __switch_to_asm+0x34/0x70
[  291.459482]  bpf_clone_redirect+0xb9/0x490
[  291.463919]  ? __schedule+0x874/0x1ed0
[  291.468509]  bpf_prog_bebbfe2050753572+0x482/0x1000
[  291.473942]  ? __sched_text_start+0x8/0x8
[  291.478106]  ? find_held_lock+0x36/0x1c0
[  291.482172]  ? lock_acquire+0x1ed/0x520
[  291.486149]  ? bpf_test_run+0x32e/0x5a0
[  291.490138]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.495678]  ? check_preemption_disabled+0x48/0x200
[  291.500740]  ? kasan_check_read+0x11/0x20
[  291.504892]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  291.510188]  ? rcu_bh_qs+0xc0/0xc0
[  291.513740]  ? preempt_schedule+0x4d/0x60
[  291.517917]  ? ___preempt_schedule+0x16/0x18
[  291.522333]  ? bpf_test_run+0x1c0/0x5a0
[  291.526319]  ? netlink_diag_dump+0x2a0/0x2a0
[  291.530733]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  291.536268]  ? bpf_test_init.isra.9+0x70/0x100
[  291.540854]  ? bpf_prog_test_run_skb+0x634/0xb40
[  291.545622]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  291.550466]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  291.556008]  ? fput+0x130/0x1a0
[  291.559300]  ? __bpf_prog_get+0x9b/0x290
[  291.563367]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  291.568243]  ? bpf_prog_test_run+0x130/0x1a0
[  291.572677]  ? __x64_sys_bpf+0x3d8/0x510
[  291.576738]  ? bpf_prog_get+0x20/0x20
[  291.580551]  ? ksys_ioctl+0x81/0xd0
[  291.584193]  ? do_syscall_64+0x1b9/0x820
[  291.588259]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  291.593626]  ? syscall_return_slowpath+0x5e0/0x5e0
[  291.598565]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  291.603498]  ? trace_hardirqs_off+0x300/0x300
[  291.607996]  ? prepare_exit_to_usermode+0x291/0x3b0
[  291.613016]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  291.617868]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  291.623268] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
[  291.623359] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  291.630033] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  291.630039] Call Trace:
[  291.630058]  dump_stack+0x1c4/0x2b4
[  291.630075]  ? dump_stack_print_info.cold.2+0x52/0x52
[  291.630102]  warn_alloc.cold.118+0xb7/0x1bd
[  291.636653] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  291.645944]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  291.648508] syz-executor1 cpuset=
[  291.652142]  ? lock_downgrade+0x900/0x900
[  291.657305] syz1
[  291.661625]  ? trace_hardirqs_off+0xb8/0x300
[  291.672085]  mems_allowed=0
[  291.676926]  ? trace_hardirqs_off+0xb8/0x300
[  291.698174]  __alloc_pages_slowpath+0x2667/0x2d80
[  291.703055]  ? warn_alloc+0x120/0x120
[  291.706863]  ? warn_alloc+0x120/0x120
[  291.710673]  ? print_usage_bug+0xc0/0xc0
[  291.714734]  ? warn_alloc+0x120/0x120
[  291.718539]  ? print_usage_bug+0xc0/0xc0
[  291.722605]  ? __lock_acquire+0x7ec/0x4ec0
[  291.726841]  ? __lock_acquire+0x7ec/0x4ec0
[  291.731082]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  291.736629]  ? should_fail+0x22d/0xd01
[  291.740551]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  291.745657]  ? __lock_acquire+0x7ec/0x4ec0
[  291.749910]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  291.755012]  ? __lock_acquire+0x7ec/0x4ec0
[  291.759248]  ? should_fail+0x22d/0xd01
[  291.763134]  ? print_usage_bug+0xc0/0xc0
[  291.767207]  ? mark_held_locks+0x130/0x130
[  291.771448]  ? mark_held_locks+0x130/0x130
[  291.775710]  ? graph_lock+0x170/0x170
[  291.779538]  ? print_usage_bug+0xc0/0xc0
[  291.783610]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  291.788366]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.793910]  ? check_preemption_disabled+0x48/0x200
[  291.798928]  ? check_preemption_disabled+0x48/0x200
[  291.803960]  ? __lock_is_held+0xb5/0x140
[  291.808028]  __alloc_pages_nodemask+0xa80/0xde0
[  291.812696]  ? graph_lock+0x170/0x170
[  291.816511]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  291.821522]  ? graph_lock+0x170/0x170
[  291.825336]  ? find_held_lock+0x36/0x1c0
[  291.829406]  ? ____cache_alloc_node+0x1c7/0x1e0
[  291.834086]  ? lock_downgrade+0x900/0x900
[  291.838240]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.843783]  cache_grow_begin+0x91/0x8c0
[  291.847847]  ? do_raw_spin_unlock+0xa7/0x2f0
[  291.852263]  fallback_alloc+0x203/0x2e0
[  291.856256]  ____cache_alloc_node+0x1c7/0x1e0
[  291.860756]  kmem_cache_alloc_node+0xe3/0x730
[  291.865252]  ? ipv6_get_ifaddr+0x42e/0x620
[  291.869500]  __alloc_skb+0x119/0x770
[  291.873214]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  291.878494]  ? skb_scrub_packet+0x490/0x490
[  291.882822]  ? lock_downgrade+0x900/0x900
[  291.886981]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.892521]  ? refcount_sub_and_test_checked+0x203/0x310
[  291.898061]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  291.903515]  ? addrconf_rs_timer+0x6f0/0x6f0
[  291.907939]  ndisc_alloc_skb+0x144/0x340
[  291.912004]  ndisc_send_rs+0x331/0x6e0
[  291.915895]  addrconf_rs_timer+0x3c0/0x6f0
[  291.920132]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.924380]  call_timer_fn+0x272/0x920
[  291.928285]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.932522]  ? process_timeout+0x40/0x40
[  291.936581]  ? find_held_lock+0x36/0x1c0
[  291.940651]  ? __run_timers+0x7da/0xc70
[  291.944632]  ? _raw_spin_unlock_irq+0x27/0x80
[  291.949122]  ? _raw_spin_unlock_irq+0x27/0x80
[  291.953614]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.957848]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  291.962434]  ? trace_hardirqs_on+0xbd/0x310
[  291.966781]  ? kasan_check_read+0x11/0x20
[  291.970930]  ? __run_timers+0x7da/0xc70
[  291.974903]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  291.980358]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.984597]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.988832]  __run_timers+0x7e5/0xc70
[  291.992647]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  291.998006]  ? compat_start_thread+0x80/0x80
[  292.002435]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.007993]  ? kasan_check_write+0x14/0x20
[  292.012231]  ? finish_task_switch+0x2f5/0x900
[  292.016728]  ? __switch_to_asm+0x40/0x70
[  292.020793]  ? preempt_notifier_register+0x200/0x200
[  292.025899]  ? __switch_to_asm+0x34/0x70
[  292.029957]  ? __switch_to_asm+0x40/0x70
[  292.034017]  ? __switch_to_asm+0x34/0x70
[  292.038072]  ? __switch_to_asm+0x40/0x70
[  292.042162]  ? __switch_to_asm+0x34/0x70
[  292.046226]  ? __switch_to_asm+0x40/0x70
[  292.050296]  ? pvclock_read_flags+0x160/0x160
[  292.054797]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.060344]  ? check_preemption_disabled+0x48/0x200
[  292.065378]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  292.070668]  ? rcu_pm_notify+0xc0/0xc0
[  292.074556]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.080095]  ? check_preemption_disabled+0x48/0x200
[  292.085121]  run_timer_softirq+0x52/0xb0
[  292.089183]  ? rcu_read_lock_sched_held+0x108/0x120
[  292.094207]  __do_softirq+0x30b/0xad8
[  292.098032]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  292.103142]  ? schedule+0x108/0x460
[  292.106774]  ? __schedule+0x1ed0/0x1ed0
[  292.110756]  ? trace_hardirqs_off+0xb8/0x300
[  292.115165]  ? ___might_sleep+0x1ed/0x300
[  292.119331]  ? smpboot_thread_fn+0x68b/0xa00
[  292.123744]  ? trace_hardirqs_on+0x310/0x310
[  292.128157]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  292.133696]  ? check_preemption_disabled+0x48/0x200
[  292.138720]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.144261]  ? takeover_tasklets+0xa90/0xa90
[  292.148672]  run_ksoftirqd+0x94/0x100
[  292.152477]  smpboot_thread_fn+0x68b/0xa00
[  292.156713]  ? sort_range+0x30/0x30
[  292.160341]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  292.165461]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  292.171009]  ? __kthread_parkme+0xfb/0x1a0
[  292.175249]  kthread+0x35a/0x420
[  292.178617]  ? sort_range+0x30/0x30
[  292.182245]  ? kthread_bind+0x40/0x40
[  292.186049]  ret_from_fork+0x3a/0x50
[  292.189808] CPU: 1 PID: 10110 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
[  292.189814] warn_alloc_show_mem: 1 callbacks suppressed
[  292.189821] Mem-Info:
[  292.197093] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  292.197101] Call Trace:
[  292.202487] active_anon:39159 inactive_anon:1633 isolated_anon:0
[  292.202487]  active_file:15 inactive_file:16 isolated_file:0
[  292.202487]  unevictable:0 dirty:0 writeback:0 unstable:0
[  292.202487]  slab_reclaimable:8773 slab_unreclaimable:1470459
[  292.202487]  mapped:49330 shmem:1666 pagetables:630 bounce:0
[  292.202487]  free:13723 free_pcp:275 free_cma:0
[  292.204865]  <IRQ>
[  292.214228] Node 0 active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197320kB dirty:0kB writeback:0kB shmem:6664kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  292.216828]  dump_stack+0x1c4/0x2b4
[  292.249898] Node 0 
[  292.252087]  ? dump_stack_print_info.cold.2+0x52/0x52
[  292.279752] 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
[  292.283383]  warn_alloc.cold.118+0xb7/0x1bd
[  292.285583] lowmem_reserve[]: 0
[  292.290780]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  292.316296]  2817
[  292.320622]  ? lock_downgrade+0x900/0x900
[  292.323875]  6321
[  292.328720]  ? trace_hardirqs_off+0xb8/0x300
[  292.330757]  6321
[  292.334922]  ? trace_hardirqs_off+0xb8/0x300
[  292.341377]  __alloc_pages_slowpath+0x2667/0x2d80
[  292.343423] Node 0 
[  292.347857]  ? warn_alloc+0x120/0x120
[  292.352681] DMA32 free:25172kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  292.354914]  ? warn_alloc+0x120/0x120
[  292.358681] lowmem_reserve[]:
[  292.385506]  ? print_usage_bug+0xc0/0xc0
[  292.389287]  0
[  292.392393]  ? warn_alloc+0x120/0x120
[  292.396440]  0
[  292.398253]  ? print_usage_bug+0xc0/0xc0
[  292.402027]  3503
[  292.403830]  ? __lock_acquire+0x7ec/0x4ec0
[  292.407865]  3503
[  292.409935]  ? __lock_acquire+0x7ec/0x4ec0
[  292.414164] Node 0 
[  292.416247]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  292.420480] Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5408kB pagetables:2520kB bounce:0kB free_pcp:852kB local_pcp:604kB free_cma:0kB
[  292.422688]  ? should_fail+0x22d/0xd01
[  292.428199] lowmem_reserve[]:
[  292.456591]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  292.460453]  0
[  292.463559]  ? __lock_acquire+0x7ec/0x4ec0
[  292.468638]  0
[  292.470444]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  292.474650]  0 0
[  292.476461]  ? __lock_acquire+0x7ec/0x4ec0
[  292.483513]  ? should_fail+0x22d/0xd01
[  292.487724] Node 0 DMA: 
[  292.491611]  ? mark_held_locks+0x130/0x130
[  292.491615] 1*4kB (U) 
[  292.494287]  ? mark_held_locks+0x130/0x130
[  292.498498] 0*8kB 
[  292.500991]  ? graph_lock+0x170/0x170
[  292.505204] 0*16kB 
[  292.507347]  ? graph_lock+0x170/0x170
[  292.511126] 1*32kB 
[  292.513351]  ? graph_lock+0x170/0x170
[  292.517126] (U) 
[  292.519365]  ? print_usage_bug+0xc0/0xc0
[  292.523149] 2*64kB 
[  292.525123]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.529154] (U) 
[  292.531385]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.536901] 1*128kB (U) 
[  292.538891]  ? check_preemption_disabled+0x48/0x200
[  292.544414] 1*256kB 
[  292.547088]  ? check_preemption_disabled+0x48/0x200
[  292.552079] (U) 
[  292.554407]  ? __lock_is_held+0xb5/0x140
[  292.559413] 0*512kB 
[  292.561388]  __alloc_pages_nodemask+0xa80/0xde0
[  292.565446] 1*1024kB 
[  292.567876]  ? graph_lock+0x170/0x170
[  292.572526] (U) 
[  292.574936]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  292.578713] 1*2048kB 
[  292.580685]  ? graph_lock+0x170/0x170
[  292.585676] (M) 3*4096kB 
[  292.588101]  ? find_held_lock+0x36/0x1c0
[  292.591865] (M) = 15908kB
[  292.594639]  ? ____cache_alloc_node+0x1c7/0x1e0
[  292.598670] Node 0 
[  292.601427]  ? lock_downgrade+0x900/0x900
[  292.606080] DMA32: 
[  292.608327]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.612445] 3*4kB 
[  292.614682]  cache_grow_begin+0x91/0x8c0
[  292.620190] (UM) 
[  292.622339]  ? do_raw_spin_unlock+0xa7/0x2f0
[  292.626388] 1*8kB 
[  292.628508]  fallback_alloc+0x203/0x2e0
[  292.632905] (U) 
[  292.635063]  ____cache_alloc_node+0x1c7/0x1e0
[  292.639005] 4*16kB 
[  292.640975]  kmem_cache_alloc_node+0xe3/0x730
[  292.645441] (UM) 
[  292.647677]  ? ipv6_get_ifaddr+0x42e/0x620
[  292.652166] 2*32kB (UM) 
[  292.654238]  __alloc_skb+0x119/0x770
[  292.658440] 3*64kB (UM) 
[  292.661123]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  292.664805] 4*128kB (UM) 
[  292.667493]  ? skb_scrub_packet+0x490/0x490
[  292.672738] 3*256kB (UM) 
[  292.675522]  ? lock_downgrade+0x900/0x900
[  292.679813] 4*512kB (UM) 
[  292.682587]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.686704] 3*1024kB (M) 
[  292.689474]  ? refcount_sub_and_test_checked+0x203/0x310
[  292.694976] 3*2048kB (UM) 
[  292.697739]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  292.703165] 3*4096kB 
[  292.706011]  ? addrconf_rs_timer+0x6f0/0x6f0
[  292.711433] (M) 
[  292.713849]  ndisc_alloc_skb+0x144/0x340
[  292.718219] = 25172kB
[  292.718228] Node 0 
[  292.720205]  ndisc_send_rs+0x331/0x6e0
[  292.724238] Normal: 
[  292.726644]  addrconf_rs_timer+0x3c0/0x6f0
[  292.728859] 979*4kB 
[  292.732742]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  292.735038] (ME) 
[  292.739278]  call_timer_fn+0x272/0x920
[  292.741571] 483*8kB (UME) 
[  292.745817]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  292.747857] 201*16kB (ME) 
[  292.751758]  ? process_timeout+0x40/0x40
[  292.754575] 59*32kB (UME) 
[  292.758818]  ? find_held_lock+0x36/0x1c0
[  292.761643] 15*64kB 
[  292.765708]  ? __run_timers+0x7da/0xc70
[  292.768526] (UM) 
[  292.772582]  ? _raw_spin_unlock_irq+0x27/0x80
[  292.774878] 0*128kB 0*256kB 
[  292.778864]  ? _raw_spin_unlock_irq+0x27/0x80
[  292.780907] 0*512kB 
[  292.785397]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  292.785416]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  292.788420] 0*1024kB 
[  292.792942]  ? trace_hardirqs_on+0xbd/0x310
[  292.795237] 0*2048kB 0*4096kB 
[  292.799479]  ? kasan_check_read+0x11/0x20
[  292.804029] = 13844kB
[  292.804044] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  292.806452]  ? __run_timers+0x7da/0xc70
[  292.810754] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  292.813942]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  292.818063] 1697 total pagecache pages
[  292.820468]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  292.829283] 0 pages in swap cache
[  292.833245]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  292.841796] Swap cache stats: add 0, delete 0, find 0/0
[  292.847241]  __run_timers+0x7e5/0xc70
[  292.851102] Free swap  = 0kB
[  292.855517]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  292.858940] Total swap = 0kB
[  292.863174]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  292.868514] 1965979 pages RAM
[  292.872310]  ? rcu_bh_qs+0xc0/0xc0
[  292.875302] 0 pages HighMem/MovableOnly
[  292.875312] 342744 pages reserved
[  292.880676]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.883670] 0 pages cma reserved
[  292.888946]  ? check_preemption_disabled+0x48/0x200
[  292.892132] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  292.895571]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  292.899656] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  292.902973]  ? retint_kernel+0x2d/0x2d
[  292.908488] ksoftirqd/0 cpuset=
[  292.911887]  ? trace_hardirqs_on_caller+0xc0/0x300
[  292.916876] /
[  292.923372]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  292.928108]  mems_allowed=0
[  292.938414]  ? trace_hardirqs_off_caller+0x300/0x300
[  292.964968]  ? check_preemption_disabled+0x48/0x200
[  292.969991]  ? graph_lock+0x170/0x170
[  292.973796]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.979336]  ? check_preemption_disabled+0x48/0x200
[  292.984364]  ? __lock_is_held+0xb5/0x140
[  292.988426]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.993971]  ? check_preemption_disabled+0x48/0x200
[  292.998999]  run_timer_softirq+0x52/0xb0
[  293.003075]  ? rcu_read_lock_sched_held+0x108/0x120
[  293.008111]  __do_softirq+0x30b/0xad8
[  293.012064]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  293.017175]  ? pvclock_read_flags+0x160/0x160
[  293.021688]  ? lapic_next_event+0x5a/0x90
[  293.025847]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.031524]  ? check_preemption_disabled+0x48/0x200
[  293.036542]  ? check_preemption_disabled+0x48/0x200
[  293.041575]  ? kvm_clock_read+0x18/0x30
[  293.045949]  ? kvm_sched_clock_read+0x9/0x20
[  293.050376]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.055940]  ? check_preemption_disabled+0x48/0x200
[  293.061070]  irq_exit+0x17f/0x1c0
[  293.064543]  smp_apic_timer_interrupt+0x1cb/0x760
[  293.069394]  ? smp_reschedule_interrupt+0x109/0x650
[  293.074506]  ? smp_call_function_single_interrupt+0x650/0x650
[  293.080390]  ? interrupt_entry+0xb5/0xf0
[  293.084458]  ? trace_hardirqs_off_caller+0xbb/0x300
[  293.089471]  ? trace_hardirqs_off_caller+0xbb/0x300
[  293.094502]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  293.099356]  ? trace_hardirqs_off+0x300/0x300
[  293.103874]  ? trace_hardirqs_off+0x300/0x300
[  293.108368]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.113906]  ? check_preemption_disabled+0x48/0x200
[  293.118932]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.124480]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  293.129331]  apic_timer_interrupt+0xf/0x20
[  293.133562]  </IRQ>
[  293.135804] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  293.140735] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 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 9a 42
[  293.160154] RSP: 0018:ffff88019cfa7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  293.167876] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  293.175147] RDX: 0000000000000000 RSI: ffff88019d338900 RDI: 0000000000000282
[  293.182415] RBP: ffff88019cfa77b0 R08: ffff88019d338080 R09: 0000000000000000
[  293.189696] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  293.196963] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  293.204278]  skb_clone+0x1bb/0x500
[  293.207821]  ? finish_task_switch+0x2f5/0x900
[  293.212319]  ? skb_split+0x11e0/0x11e0
[  293.216208]  ? preempt_notifier_register+0x200/0x200
[  293.221338]  ? __switch_to_asm+0x34/0x70
[  293.225402]  ? __switch_to_asm+0x34/0x70
[  293.229459]  ? __switch_to_asm+0x40/0x70
[  293.233526]  ? __switch_to_asm+0x34/0x70
[  293.237583]  ? __switch_to_asm+0x40/0x70
[  293.241644]  ? __switch_to_asm+0x34/0x70
[  293.245701]  ? __switch_to_asm+0x40/0x70
[  293.249758]  ? __switch_to_asm+0x34/0x70
[  293.253821]  ? __switch_to_asm+0x34/0x70
[  293.257892]  ? __switch_to_asm+0x40/0x70
[  293.261954]  ? __switch_to_asm+0x34/0x70
[  293.266020]  bpf_clone_redirect+0xb9/0x490
[  293.270259]  ? __schedule+0x874/0x1ed0
[  293.274165]  bpf_prog_bebbfe2050753572+0x482/0x1000
[  293.279197]  ? __sched_text_start+0x8/0x8
[  293.283373]  ? find_held_lock+0x36/0x1c0
[  293.287450]  ? lock_acquire+0x1ed/0x520
[  293.291426]  ? bpf_test_run+0x32e/0x5a0
[  293.295411]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.300952]  ? check_preemption_disabled+0x48/0x200
[  293.305973]  ? kasan_check_read+0x11/0x20
[  293.310122]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  293.315405]  ? rcu_bh_qs+0xc0/0xc0
[  293.318950]  ? preempt_schedule+0x4d/0x60
[  293.323099]  ? ___preempt_schedule+0x16/0x18
[  293.327523]  ? bpf_test_run+0x1c0/0x5a0
[  293.331505]  ? netlink_diag_dump+0x2a0/0x2a0
[  293.335921]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  293.341457]  ? bpf_test_init.isra.9+0x70/0x100
[  293.346040]  ? bpf_prog_test_run_skb+0x634/0xb40
[  293.350803]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  293.355672]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  293.361222]  ? fput+0x130/0x1a0
[  293.364503]  ? __bpf_prog_get+0x9b/0x290
[  293.368566]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  293.373408]  ? bpf_prog_test_run+0x130/0x1a0
[  293.377815]  ? __x64_sys_bpf+0x3d8/0x510
[  293.381891]  ? bpf_prog_get+0x20/0x20
[  293.385712]  ? ksys_ioctl+0x81/0xd0
[  293.389354]  ? do_syscall_64+0x1b9/0x820
[  293.393435]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  293.398800]  ? syscall_return_slowpath+0x5e0/0x5e0
[  293.403747]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  293.408592]  ? trace_hardirqs_off+0x300/0x300
[  293.413089]  ? prepare_exit_to_usermode+0x291/0x3b0
[  293.418125]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  293.422973]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  293.428353] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
[  293.428464] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  293.435111] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  293.435120] Call Trace:
[  293.441709] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  293.450972]  dump_stack+0x1c4/0x2b4
[  293.453536] syz-executor1 cpuset=
[  293.464014]  ? dump_stack_print_info.cold.2+0x52/0x52
[  293.467627] syz1
[  293.471081]  warn_alloc.cold.118+0xb7/0x1bd
[  293.476245]  mems_allowed=0
[  293.478213]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  293.490357]  ? lock_downgrade+0x900/0x900
[  293.494514]  ? trace_hardirqs_off+0xb8/0x300
[  293.498954]  ? trace_hardirqs_off+0xb8/0x300
[  293.503387]  __alloc_pages_slowpath+0x2667/0x2d80
[  293.508291]  ? warn_alloc+0x120/0x120
[  293.512096]  ? warn_alloc+0x120/0x120
[  293.515903]  ? print_usage_bug+0xc0/0xc0
[  293.519969]  ? warn_alloc+0x120/0x120
[  293.523770]  ? print_usage_bug+0xc0/0xc0
[  293.527845]  ? __lock_acquire+0x7ec/0x4ec0
[  293.532076]  ? __lock_acquire+0x7ec/0x4ec0
[  293.536314]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  293.541865]  ? should_fail+0x22d/0xd01
[  293.545770]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  293.550874]  ? __lock_acquire+0x7ec/0x4ec0
[  293.555127]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  293.560228]  ? __lock_acquire+0x7ec/0x4ec0
[  293.564462]  ? should_fail+0x22d/0xd01
[  293.568348]  ? print_usage_bug+0xc0/0xc0
[  293.572423]  ? mark_held_locks+0x130/0x130
[  293.576656]  ? mark_held_locks+0x130/0x130
[  293.581619]  ? graph_lock+0x170/0x170
[  293.585424]  ? print_usage_bug+0xc0/0xc0
[  293.589485]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  293.594267]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.599812]  ? check_preemption_disabled+0x48/0x200
[  293.604832]  ? check_preemption_disabled+0x48/0x200
[  293.609859]  ? __lock_is_held+0xb5/0x140
[  293.613929]  __alloc_pages_nodemask+0xa80/0xde0
[  293.618601]  ? graph_lock+0x170/0x170
[  293.622407]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  293.627428]  ? graph_lock+0x170/0x170
[  293.631234]  ? find_held_lock+0x36/0x1c0
[  293.635315]  ? ____cache_alloc_node+0x1c7/0x1e0
[  293.639991]  ? lock_downgrade+0x900/0x900
[  293.644148]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.649687]  cache_grow_begin+0x91/0x8c0
[  293.653749]  ? do_raw_spin_unlock+0xa7/0x2f0
[  293.658201]  fallback_alloc+0x203/0x2e0
[  293.662182]  ____cache_alloc_node+0x1c7/0x1e0
[  293.666686]  kmem_cache_alloc_node+0xe3/0x730
[  293.671184]  ? ipv6_get_ifaddr+0x42e/0x620
[  293.675431]  __alloc_skb+0x119/0x770
[  293.679144]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  293.684435]  ? skb_scrub_packet+0x490/0x490
[  293.688755]  ? lock_downgrade+0x900/0x900
[  293.692903]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.698450]  ? refcount_sub_and_test_checked+0x203/0x310
[  293.703904]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  293.709356]  ? addrconf_rs_timer+0x6f0/0x6f0
[  293.713778]  ndisc_alloc_skb+0x144/0x340
[  293.717844]  ndisc_send_rs+0x331/0x6e0
[  293.721740]  addrconf_rs_timer+0x3c0/0x6f0
[  293.725995]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  293.730241]  call_timer_fn+0x272/0x920
[  293.734152]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  293.738397]  ? process_timeout+0x40/0x40
[  293.742459]  ? find_held_lock+0x36/0x1c0
[  293.746531]  ? __run_timers+0x7da/0xc70
[  293.750510]  ? _raw_spin_unlock_irq+0x27/0x80
[  293.755027]  ? _raw_spin_unlock_irq+0x27/0x80
[  293.759521]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  293.763758]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  293.768348]  ? trace_hardirqs_on+0xbd/0x310
[  293.772669]  ? kasan_check_read+0x11/0x20
[  293.776825]  ? __run_timers+0x7da/0xc70
[  293.780796]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  293.786245]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  293.790507]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  293.794740]  __run_timers+0x7e5/0xc70
[  293.798556]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  293.803943]  ? compat_start_thread+0x80/0x80
[  293.808352]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.813893]  ? kasan_check_write+0x14/0x20
[  293.818129]  ? finish_task_switch+0x2f5/0x900
[  293.822623]  ? __switch_to_asm+0x40/0x70
[  293.826703]  ? preempt_notifier_register+0x200/0x200
[  293.831904]  ? __switch_to_asm+0x34/0x70
[  293.835963]  ? __switch_to_asm+0x40/0x70
[  293.840015]  ? __switch_to_asm+0x34/0x70
[  293.844080]  ? __switch_to_asm+0x40/0x70
[  293.848163]  ? __switch_to_asm+0x34/0x70
[  293.852220]  ? __switch_to_asm+0x40/0x70
[  293.856292]  ? pvclock_read_flags+0x160/0x160
[  293.860786]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.866331]  ? check_preemption_disabled+0x48/0x200
[  293.871359]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  293.876633]  ? rcu_pm_notify+0xc0/0xc0
[  293.880532]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.886098]  ? check_preemption_disabled+0x48/0x200
[  293.891133]  run_timer_softirq+0x52/0xb0
[  293.895190]  ? rcu_read_lock_sched_held+0x108/0x120
[  293.900209]  __do_softirq+0x30b/0xad8
[  293.904058]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  293.909167]  ? schedule+0x108/0x460
[  293.912796]  ? __schedule+0x1ed0/0x1ed0
[  293.916789]  ? trace_hardirqs_off+0xb8/0x300
[  293.921197]  ? ___might_sleep+0x1ed/0x300
[  293.925340]  ? smpboot_thread_fn+0x68b/0xa00
[  293.929745]  ? trace_hardirqs_on+0x310/0x310
[  293.934154]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  293.939696]  ? check_preemption_disabled+0x48/0x200
[  293.944711]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.950272]  ? takeover_tasklets+0xa90/0xa90
[  293.954682]  run_ksoftirqd+0x94/0x100
[  293.958482]  smpboot_thread_fn+0x68b/0xa00
[  293.962723]  ? sort_range+0x30/0x30
[  293.966350]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  293.971452]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  293.976988]  ? __kthread_parkme+0xfb/0x1a0
[  293.981226]  kthread+0x35a/0x420
[  293.984588]  ? sort_range+0x30/0x30
[  293.988213]  ? kthread_bind+0x40/0x40
[  293.992017]  ret_from_fork+0x3a/0x50
[  293.995752] CPU: 1 PID: 10110 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
[  293.995758] warn_alloc_show_mem: 1 callbacks suppressed
[  293.995766] Mem-Info:
[  294.003041] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  294.008424] active_anon:39159 inactive_anon:1633 isolated_anon:0
[  294.008424]  active_file:15 inactive_file:16 isolated_file:0
[  294.008424]  unevictable:0 dirty:0 writeback:0 unstable:0
[  294.008424]  slab_reclaimable:8773 slab_unreclaimable:1470459
[  294.008424]  mapped:49330 shmem:1666 pagetables:630 bounce:0
[  294.008424]  free:13723 free_pcp:275 free_cma:0
[  294.010791] Call Trace:
[  294.020192] Node 0 active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197320kB dirty:0kB writeback:0kB shmem:6664kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  294.053214]  <IRQ>
[  294.055788] Node 0 
[  294.083459]  dump_stack+0x1c4/0x2b4
[  294.085610] 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
[  294.087820]  ? dump_stack_print_info.cold.2+0x52/0x52
[  294.091452] lowmem_reserve[]:
[  294.116972]  warn_alloc.cold.118+0xb7/0x1bd
[  294.122122]  0 2817
[  294.125249]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  294.129548]  6321
[  294.131783]  ? lock_downgrade+0x900/0x900
[  294.136600]  6321
[  294.138672]  ? trace_hardirqs_off+0xb8/0x300
[  294.142793] Node 0 
[  294.144854]  ? trace_hardirqs_off+0xb8/0x300
[  294.149264] DMA32 free:25172kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  294.151481]  __alloc_pages_slowpath+0x2667/0x2d80
[  294.155860] lowmem_reserve[]:
[  294.182610]  ? warn_alloc+0x120/0x120
[  294.187414]  0 0
[  294.190526]  ? trace_hardirqs_on+0x310/0x310
[  294.194301]  3503
[  294.196292]  ? warn_alloc+0x120/0x120
[  294.200676]  3503
[  294.202734]  ? print_usage_bug+0xc0/0xc0
[  294.208568]  ? warn_alloc+0x120/0x120
[  294.212605] Node 0 
[  294.216398]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  294.216414]  ? print_usage_bug+0xc0/0xc0
[  294.218659] Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5408kB pagetables:2520kB bounce:0kB free_pcp:852kB local_pcp:604kB free_cma:0kB
[  294.223648]  ? __lock_acquire+0x7ec/0x4ec0
[  294.227678] lowmem_reserve[]: 0
[  294.256077]  ? __lock_acquire+0x7ec/0x4ec0
[  294.260303]  0
[  294.263578]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  294.267787]  0
[  294.269589]  ? should_fail+0x22d/0xd01
[  294.275095]  0
[  294.276900]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  294.280760] Node 0 
[  294.282561]  ? __lock_acquire+0x7ec/0x4ec0
[  294.287636] DMA: 1*4kB 
[  294.289890]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  294.294121] (U) 
[  294.296714]  ? __lock_acquire+0x7ec/0x4ec0
[  294.301791] 0*8kB 
[  294.303764]  ? should_fail+0x22d/0xd01
[  294.307967] 0*16kB 1*32kB 
[  294.310117]  ? print_usage_bug+0xc0/0xc0
[  294.313981] (U) 
[  294.316826]  ? mark_held_locks+0x130/0x130
[  294.320869] 2*64kB (U) 
[  294.322848]  ? mark_held_locks+0x130/0x130
[  294.327056] 1*128kB 
[  294.329661]  ? graph_lock+0x170/0x170
[  294.333918] (U) 
[  294.336236]  ? print_usage_bug+0xc0/0xc0
[  294.340006] 1*256kB (U) 
[  294.341992]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  294.346027] 0*512kB 
[  294.348700]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.353434] 1*1024kB 
[  294.355758]  ? check_preemption_disabled+0x48/0x200
[  294.361259] (U) 1*2048kB 
[  294.363685]  ? check_preemption_disabled+0x48/0x200
[  294.368671] (M) 
[  294.371436]  ? __lock_is_held+0xb5/0x140
[  294.376446] 3*4096kB (M) 
[  294.378448]  __alloc_pages_nodemask+0xa80/0xde0
[  294.382498] = 15908kB
[  294.385247]  ? graph_lock+0x170/0x170
[  294.389904] Node 0 
[  294.392315]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  294.396090] DMA32: 3*4kB 
[  294.398345]  ? graph_lock+0x170/0x170
[  294.403344] (UM) 
[  294.406104]  ? find_held_lock+0x36/0x1c0
[  294.409876] 1*8kB 
[  294.411960]  ? ____cache_alloc_node+0x1c7/0x1e0
[  294.416018] (U) 
[  294.418170]  ? lock_downgrade+0x900/0x900
[  294.422814] 4*16kB (UM) 
[  294.424805]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.428925] 2*32kB 
[  294.431594]  cache_grow_begin+0x91/0x8c0
[  294.437109] (UM) 
[  294.439347]  ? do_raw_spin_unlock+0xa7/0x2f0
[  294.443376] 3*64kB (UM) 
[  294.445454]  fallback_alloc+0x203/0x2e0
[  294.449826] 4*128kB (UM) 
[  294.452511]  ____cache_alloc_node+0x1c7/0x1e0
[  294.456456] 3*256kB (UM) 
[  294.459227]  kmem_cache_alloc_node+0xe3/0x730
[  294.463699] 4*512kB 
[  294.466487]  ? ipv6_get_ifaddr+0x42e/0x620
[  294.470984] (UM) 
[  294.473305]  __alloc_skb+0x119/0x770
[  294.477512] 3*1024kB 
[  294.479612]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  294.483293] (M) 
[  294.485698]  ? skb_scrub_packet+0x490/0x490
[  294.490945] 3*2048kB (UM) 
[  294.492927]  ? lock_downgrade+0x900/0x900
[  294.497220] 3*4096kB 
[  294.500080]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.504208] (M) 
[  294.506614]  ? refcount_sub_and_test_checked+0x203/0x310
[  294.512119] = 25172kB
[  294.512128] Node 0 
[  294.514103]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  294.519528] Normal: 
[  294.521941]  ? addrconf_rs_timer+0x6f0/0x6f0
[  294.524156] 979*4kB 
[  294.529609]  ndisc_alloc_skb+0x144/0x340
[  294.531901] (ME) 
[  294.536310]  ndisc_send_rs+0x331/0x6e0
[  294.538607] 483*8kB 
[  294.542668]  addrconf_rs_timer+0x3c0/0x6f0
[  294.544705] (UME) 
[  294.548595]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.550897] 201*16kB 
[  294.555139]  call_timer_fn+0x272/0x920
[  294.557253] (ME) 
[  294.561496]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.563881] 59*32kB 
[  294.567763]  ? process_timeout+0x40/0x40
[  294.569804] (UME) 
[  294.574033]  ? find_held_lock+0x36/0x1c0
[  294.576327] 15*64kB (UM) 
[  294.580396]  ? __run_timers+0x7da/0xc70
[  294.582530] 0*128kB 
[  294.586601]  ? _raw_spin_unlock_irq+0x27/0x80
[  294.589335] 0*256kB 
[  294.593302]  ? _raw_spin_unlock_irq+0x27/0x80
[  294.595606] 0*512kB 
[  294.600100]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.602415] 0*1024kB 
[  294.606922]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  294.609214] 0*2048kB 0*4096kB 
[  294.613456]  ? trace_hardirqs_on+0xbd/0x310
[  294.615843] = 13844kB
[  294.620422]  ? kasan_check_read+0x11/0x20
[  294.623604] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  294.627919]  ? __run_timers+0x7da/0xc70
[  294.630315] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  294.634453]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  294.643350] 1697 total pagecache pages
[  294.647322]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.655892] 0 pages in swap cache
[  294.661341]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.665205] Swap cache stats: add 0, delete 0, find 0/0
[  294.665228] Free swap  = 0kB
[  294.669461]  __run_timers+0x7e5/0xc70
[  294.672890] Total swap = 0kB
[  294.677131]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  294.682462] 1965979 pages RAM
[  294.685478]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  294.689247] 0 pages HighMem/MovableOnly
[  294.689257] 342744 pages reserved
[  294.692273]  ? rcu_bh_qs+0xc0/0xc0
[  294.697617] 0 pages cma reserved
[  294.700721]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.706091] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  294.709962]  ? check_preemption_disabled+0x48/0x200
[  294.709987]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  294.710008]  ? retint_kernel+0x2d/0x2d
[  294.713508] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  294.716974]  ? trace_hardirqs_on_caller+0xc0/0x300
[  294.720323] ksoftirqd/0 cpuset=
[  294.725853]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  294.732321] /
[  294.737332]  ? trace_hardirqs_off_caller+0x300/0x300
[  294.742067]  mems_allowed=0
[  294.746004]  ? check_preemption_disabled+0x48/0x200
[  294.783948]  ? graph_lock+0x170/0x170
[  294.787791]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.793333]  ? check_preemption_disabled+0x48/0x200
[  294.798611]  ? __lock_is_held+0xb5/0x140
[  294.802679]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.808221]  ? check_preemption_disabled+0x48/0x200
[  294.813248]  run_timer_softirq+0x52/0xb0
[  294.817325]  ? rcu_read_lock_sched_held+0x108/0x120
[  294.822350]  __do_softirq+0x30b/0xad8
[  294.826162]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  294.831273]  ? pvclock_read_flags+0x160/0x160
[  294.835768]  ? lapic_next_event+0x5a/0x90
[  294.839928]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.845480]  ? check_preemption_disabled+0x48/0x200
[  294.850497]  ? check_preemption_disabled+0x48/0x200
[  294.855525]  ? kvm_clock_read+0x18/0x30
[  294.859500]  ? kvm_sched_clock_read+0x9/0x20
[  294.863919]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.869457]  ? check_preemption_disabled+0x48/0x200
[  294.874490]  irq_exit+0x17f/0x1c0
[  294.877952]  smp_apic_timer_interrupt+0x1cb/0x760
[  294.882794]  ? smp_reschedule_interrupt+0x109/0x650
[  294.887812]  ? smp_call_function_single_interrupt+0x650/0x650
[  294.893697]  ? interrupt_entry+0xb5/0xf0
[  294.897765]  ? trace_hardirqs_off_caller+0xbb/0x300
[  294.902781]  ? trace_hardirqs_off_caller+0xbb/0x300
[  294.907801]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  294.912644]  ? trace_hardirqs_off+0x300/0x300
[  294.917143]  ? trace_hardirqs_off+0x300/0x300
[  294.921644]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.927187]  ? check_preemption_disabled+0x48/0x200
[  294.932201]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.937750]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  294.942609]  apic_timer_interrupt+0xf/0x20
[  294.946840]  </IRQ>
[  294.949082] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  294.954018] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 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 9a 42
[  294.972928] RSP: 0018:ffff88019cfa7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  294.980638] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  294.987904] RDX: 0000000000000000 RSI: ffff88019d338900 RDI: 0000000000000282
[  294.995176] RBP: ffff88019cfa77b0 R08: ffff88019d338080 R09: 0000000000000000
[  295.002446] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  295.009715] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  295.017030]  skb_clone+0x1bb/0x500
[  295.020573]  ? finish_task_switch+0x2f5/0x900
[  295.025068]  ? skb_split+0x11e0/0x11e0
[  295.028960]  ? preempt_notifier_register+0x200/0x200
[  295.034066]  ? __switch_to_asm+0x34/0x70
[  295.038130]  ? __switch_to_asm+0x34/0x70
[  295.042187]  ? __switch_to_asm+0x40/0x70
[  295.046474]  ? __switch_to_asm+0x34/0x70
[  295.050538]  ? __switch_to_asm+0x40/0x70
[  295.054601]  ? __switch_to_asm+0x34/0x70
[  295.058665]  ? __switch_to_asm+0x40/0x70
[  295.062726]  ? __switch_to_asm+0x34/0x70
[  295.066790]  ? __switch_to_asm+0x34/0x70
[  295.070848]  ? __switch_to_asm+0x40/0x70
[  295.074906]  ? __switch_to_asm+0x34/0x70
[  295.078988]  bpf_clone_redirect+0xb9/0x490
[  295.083226]  ? __schedule+0x874/0x1ed0
[  295.087119]  bpf_prog_bebbfe2050753572+0x482/0x1000
[  295.092142]  ? __sched_text_start+0x8/0x8
[  295.096308]  ? find_held_lock+0x36/0x1c0
[  295.100381]  ? lock_acquire+0x1ed/0x520
[  295.104358]  ? bpf_test_run+0x32e/0x5a0
[  295.108341]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.113902]  ? check_preemption_disabled+0x48/0x200
[  295.118937]  ? kasan_check_read+0x11/0x20
[  295.123090]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  295.128366]  ? rcu_bh_qs+0xc0/0xc0
[  295.131915]  ? preempt_schedule+0x4d/0x60
[  295.136067]  ? ___preempt_schedule+0x16/0x18
[  295.140744]  ? bpf_test_run+0x1c0/0x5a0
[  295.144728]  ? netlink_diag_dump+0x2a0/0x2a0
[  295.149142]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  295.155199]  ? bpf_test_init.isra.9+0x70/0x100
[  295.159787]  ? bpf_prog_test_run_skb+0x634/0xb40
[  295.164550]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  295.169400]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  295.174941]  ? fput+0x130/0x1a0
[  295.178225]  ? __bpf_prog_get+0x9b/0x290
[  295.182288]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  295.187128]  ? bpf_prog_test_run+0x130/0x1a0
[  295.191540]  ? __x64_sys_bpf+0x3d8/0x510
[  295.195604]  ? bpf_prog_get+0x20/0x20
[  295.199422]  ? ksys_ioctl+0x81/0xd0
[  295.203063]  ? do_syscall_64+0x1b9/0x820
[  295.207128]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  295.212523]  ? syscall_return_slowpath+0x5e0/0x5e0
[  295.217457]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  295.222304]  ? trace_hardirqs_off+0x300/0x300
[  295.226804]  ? prepare_exit_to_usermode+0x291/0x3b0
[  295.231832]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  295.236688]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  295.242078] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
[  295.242175] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  295.248842] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  295.248848] Call Trace:
[  295.248867]  dump_stack+0x1c4/0x2b4
[  295.248884]  ? dump_stack_print_info.cold.2+0x52/0x52
[  295.248912]  warn_alloc.cold.118+0xb7/0x1bd
[  295.255471] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  295.264759]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  295.267327] syz-executor1 cpuset=
[  295.270951]  ? lock_downgrade+0x900/0x900
[  295.276136] syz1
[  295.280465]  ? trace_hardirqs_off+0xb8/0x300
[  295.290930]  mems_allowed=0
[  295.295771]  ? trace_hardirqs_off+0xb8/0x300
[  295.317005]  __alloc_pages_slowpath+0x2667/0x2d80
[  295.321884]  ? warn_alloc+0x120/0x120
[  295.325690]  ? warn_alloc+0x120/0x120
[  295.329497]  ? print_usage_bug+0xc0/0xc0
[  295.333558]  ? warn_alloc+0x120/0x120
[  295.337359]  ? print_usage_bug+0xc0/0xc0
[  295.341429]  ? __lock_acquire+0x7ec/0x4ec0
[  295.345666]  ? __lock_acquire+0x7ec/0x4ec0
[  295.349904]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  295.355450]  ? should_fail+0x22d/0xd01
[  295.359377]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  295.364490]  ? __lock_acquire+0x7ec/0x4ec0
[  295.368744]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  295.373851]  ? __lock_acquire+0x7ec/0x4ec0
[  295.378085]  ? should_fail+0x22d/0xd01
[  295.381991]  ? mark_held_locks+0x130/0x130
[  295.386239]  ? mark_held_locks+0x130/0x130
[  295.390482]  ? graph_lock+0x170/0x170
[  295.394290]  ? graph_lock+0x170/0x170
[  295.398099]  ? graph_lock+0x170/0x170
[  295.401903]  ? print_usage_bug+0xc0/0xc0
[  295.405969]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.411515]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.417060]  ? check_preemption_disabled+0x48/0x200
[  295.422078]  ? check_preemption_disabled+0x48/0x200
[  295.427107]  ? __lock_is_held+0xb5/0x140
[  295.431184]  __alloc_pages_nodemask+0xa80/0xde0
[  295.435861]  ? graph_lock+0x170/0x170
[  295.439673]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  295.444693]  ? graph_lock+0x170/0x170
[  295.448504]  ? find_held_lock+0x36/0x1c0
[  295.452580]  ? ____cache_alloc_node+0x1c7/0x1e0
[  295.457260]  ? lock_downgrade+0x900/0x900
[  295.461432]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.466991]  cache_grow_begin+0x91/0x8c0
[  295.471069]  ? do_raw_spin_unlock+0xa7/0x2f0
[  295.475492]  fallback_alloc+0x203/0x2e0
[  295.479475]  ____cache_alloc_node+0x1c7/0x1e0
[  295.483983]  kmem_cache_alloc_node+0xe3/0x730
[  295.488481]  ? ipv6_get_ifaddr+0x42e/0x620
[  295.492727]  __alloc_skb+0x119/0x770
[  295.496447]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  295.501741]  ? skb_scrub_packet+0x490/0x490
[  295.506076]  ? lock_downgrade+0x900/0x900
[  295.510235]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.515779]  ? refcount_sub_and_test_checked+0x203/0x310
[  295.521238]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  295.526696]  ? addrconf_rs_timer+0x6f0/0x6f0
[  295.531123]  ndisc_alloc_skb+0x144/0x340
[  295.535195]  ndisc_send_rs+0x331/0x6e0
[  295.539096]  addrconf_rs_timer+0x3c0/0x6f0
[  295.543340]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  295.547590]  call_timer_fn+0x272/0x920
[  295.551478]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  295.555731]  ? process_timeout+0x40/0x40
[  295.559792]  ? find_held_lock+0x36/0x1c0
[  295.563862]  ? __run_timers+0x7da/0xc70
[  295.567844]  ? _raw_spin_unlock_irq+0x27/0x80
[  295.572343]  ? _raw_spin_unlock_irq+0x27/0x80
[  295.576838]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  295.581077]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  295.585666]  ? trace_hardirqs_on+0xbd/0x310
[  295.589993]  ? kasan_check_read+0x11/0x20
[  295.594149]  ? __run_timers+0x7da/0xc70
[  295.598128]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  295.603584]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  295.607828]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  295.612067]  __run_timers+0x7e5/0xc70
[  295.615887]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  295.621256]  ? compat_start_thread+0x80/0x80
[  295.625672]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.631224]  ? kasan_check_write+0x14/0x20
[  295.635461]  ? finish_task_switch+0x2f5/0x900
[  295.639960]  ? __switch_to_asm+0x40/0x70
[  295.644028]  ? preempt_notifier_register+0x200/0x200
[  295.649135]  ? __switch_to_asm+0x34/0x70
[  295.653197]  ? __switch_to_asm+0x40/0x70
[  295.657256]  ? __switch_to_asm+0x34/0x70
[  295.661314]  ? __switch_to_asm+0x40/0x70
[  295.665373]  ? __switch_to_asm+0x34/0x70
[  295.669439]  ? __switch_to_asm+0x40/0x70
[  295.673511]  ? pvclock_read_flags+0x160/0x160
[  295.678012]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.683553]  ? check_preemption_disabled+0x48/0x200
[  295.688584]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  295.693863]  ? rcu_pm_notify+0xc0/0xc0
[  295.697757]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.703300]  ? check_preemption_disabled+0x48/0x200
[  295.708334]  run_timer_softirq+0x52/0xb0
[  295.712613]  ? rcu_read_lock_sched_held+0x108/0x120
[  295.717642]  __do_softirq+0x30b/0xad8
[  295.721458]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  295.726572]  ? schedule+0x108/0x460
[  295.730205]  ? __schedule+0x1ed0/0x1ed0
[  295.734188]  ? trace_hardirqs_off+0xb8/0x300
[  295.738603]  ? ___might_sleep+0x1ed/0x300
[  295.742749]  ? smpboot_thread_fn+0x68b/0xa00
[  295.747164]  ? trace_hardirqs_on+0x310/0x310
[  295.751574]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  295.757116]  ? check_preemption_disabled+0x48/0x200
[  295.762136]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.767678]  ? takeover_tasklets+0xa90/0xa90
[  295.772092]  run_ksoftirqd+0x94/0x100
[  295.775896]  smpboot_thread_fn+0x68b/0xa00
[  295.780136]  ? sort_range+0x30/0x30
[  295.783772]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  295.788882]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  295.794435]  ? __kthread_parkme+0xfb/0x1a0
[  295.798678]  kthread+0x35a/0x420
[  295.802045]  ? sort_range+0x30/0x30
[  295.805680]  ? kthread_bind+0x40/0x40
[  295.809487]  ret_from_fork+0x3a/0x50
[  295.813223] CPU: 1 PID: 10110 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
[  295.813229] warn_alloc_show_mem: 1 callbacks suppressed
[  295.813236] Mem-Info:
[  295.820524] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  295.825893] active_anon:39159 inactive_anon:1633 isolated_anon:0
[  295.825893]  active_file:15 inactive_file:16 isolated_file:0
[  295.825893]  unevictable:0 dirty:0 writeback:0 unstable:0
[  295.825893]  slab_reclaimable:8773 slab_unreclaimable:1470459
[  295.825893]  mapped:49330 shmem:1666 pagetables:630 bounce:0
[  295.825893]  free:13723 free_pcp:275 free_cma:0
[  295.828270] Call Trace:
[  295.837660] Node 0 active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197320kB dirty:0kB writeback:0kB shmem:6664kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  295.870923]  <IRQ>
[  295.873508] Node 0 
[  295.901192]  dump_stack+0x1c4/0x2b4
[  295.903350] 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
[  295.905562]  ? dump_stack_print_info.cold.2+0x52/0x52
[  295.909164] lowmem_reserve[]:
[  295.934677]  warn_alloc.cold.118+0xb7/0x1bd
[  295.939839]  0
[  295.942943]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  295.947241]  2817
[  295.949043]  ? lock_downgrade+0x900/0x900
[  295.953863]  6321
[  295.955933]  ? trace_hardirqs_off+0xb8/0x300
[  295.960040]  6321
[  295.962107]  ? trace_hardirqs_off+0xb8/0x300
[  295.966490] Node 0 
[  295.968560]  __alloc_pages_slowpath+0x2667/0x2d80
[  295.972966] DMA32 free:25172kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  295.975197]  ? warn_alloc+0x120/0x120
[  295.980003] lowmem_reserve[]:
[  296.006715]  ? warn_alloc+0x120/0x120
[  296.010491]  0
[  296.013605]  ? print_usage_bug+0xc0/0xc0
[  296.017390]  0
[  296.019182]  ? warn_alloc+0x120/0x120
[  296.023215]  3503 3503
[  296.025022]  ? print_usage_bug+0xc0/0xc0
[  296.031367]  ? __lock_acquire+0x7ec/0x4ec0
[  296.035439] Node 0 
[  296.039666]  ? __lock_acquire+0x7ec/0x4ec0
[  296.039703] Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5408kB pagetables:2520kB bounce:0kB free_pcp:852kB local_pcp:604kB free_cma:0kB
[  296.041919]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  296.046114] lowmem_reserve[]: 0
[  296.074493]  ? should_fail+0x22d/0xd01
[  296.080006]  0
[  296.083287]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  296.087154]  0
[  296.088958]  ? __lock_acquire+0x7ec/0x4ec0
[  296.094046]  0
[  296.095844]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  296.100056] Node 0 
[  296.101861]  ? __lock_acquire+0x7ec/0x4ec0
[  296.106935] DMA: 1*4kB 
[  296.109180]  ? should_fail+0x22d/0xd01
[  296.113397] (U) 
[  296.115981]  ? mark_held_locks+0x130/0x130
[  296.119832] 0*8kB 0*16kB 
[  296.121813]  ? mark_held_locks+0x130/0x130
[  296.126024] 1*32kB (U) 
[  296.128790]  ? graph_lock+0x170/0x170
[  296.133045] 2*64kB 
[  296.135621]  ? graph_lock+0x170/0x170
[  296.139406] (U) 
[  296.141648]  ? graph_lock+0x170/0x170
[  296.145429] 1*128kB 
[  296.147398]  ? print_usage_bug+0xc0/0xc0
[  296.147419]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.151197] (U) 
[  296.153520]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.157558] 1*256kB 
[  296.163094]  ? check_preemption_disabled+0x48/0x200
[  296.165044] (U) 
[  296.170581]  ? check_preemption_disabled+0x48/0x200
[  296.172886] 0*512kB 
[  296.177917]  ? __lock_is_held+0xb5/0x140
[  296.179859] 1*1024kB 
[  296.185674]  __alloc_pages_nodemask+0xa80/0xde0
[  296.187175] (U) 
[  296.191235]  ? graph_lock+0x170/0x170
[  296.193625] 1*2048kB 
[  296.198289]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  296.200239] (M) 
[  296.204032]  ? graph_lock+0x170/0x170
[  296.206420] 3*4096kB (M) 
[  296.211458]  ? find_held_lock+0x36/0x1c0
[  296.213402] = 15908kB
[  296.217209]  ? ____cache_alloc_node+0x1c7/0x1e0
[  296.219940] Node 0 
[  296.223995]  ? lock_downgrade+0x900/0x900
[  296.226391] DMA32: 
[  296.231059]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.233271] 3*4kB 
[  296.237419]  cache_grow_begin+0x91/0x8c0
[  296.239634] (UM) 
[  296.245170]  ? do_raw_spin_unlock+0xa7/0x2f0
[  296.247297] 1*8kB 
[  296.251355]  fallback_alloc+0x203/0x2e0
[  296.253426] (U) 
[  296.257844]  ____cache_alloc_node+0x1c7/0x1e0
[  296.259971] 4*16kB 
[  296.263942]  kmem_cache_alloc_node+0xe3/0x730
[  296.265897] (UM) 
[  296.270392]  ? ipv6_get_ifaddr+0x42e/0x620
[  296.272617] 2*32kB 
[  296.277114]  __alloc_skb+0x119/0x770
[  296.279148] (UM) 
[  296.283384]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  296.285604] 3*64kB 
[  296.289310]  ? skb_scrub_packet+0x490/0x490
[  296.291350] (UM) 
[  296.296632]  ? lock_downgrade+0x900/0x900
[  296.298847] 4*128kB 
[  296.303183]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.305216] (UM) 
[  296.309364]  ? refcount_sub_and_test_checked+0x203/0x310
[  296.311662] 3*256kB 
[  296.317192]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  296.319234] (UM) 
[  296.324680]  ? addrconf_rs_timer+0x6f0/0x6f0
[  296.326978] 4*512kB 
[  296.332431]  ndisc_alloc_skb+0x144/0x340
[  296.334469] (UM) 
[  296.338874]  ndisc_send_rs+0x331/0x6e0
[  296.341165] 3*1024kB (M) 
[  296.345232]  addrconf_rs_timer+0x3c0/0x6f0
[  296.347270] 3*2048kB 
[  296.351155]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  296.353886] (UM) 
[  296.358126]  call_timer_fn+0x272/0x920
[  296.360504] 3*4096kB 
[  296.364743]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  296.366811] (M) 
[  296.370693]  ? process_timeout+0x40/0x40
[  296.373084] = 25172kB
[  296.377313]  ? find_held_lock+0x36/0x1c0
[  296.379276] Node 0 
[  296.383335]  ? __run_timers+0x7da/0xc70
[  296.385718] Normal: 
[  296.389790]  ? _raw_spin_unlock_irq+0x27/0x80
[  296.392005] 979*4kB 
[  296.395972]  ? _raw_spin_unlock_irq+0x27/0x80
[  296.398276] (ME) 
[  296.402765]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  296.405073] 483*8kB 
[  296.409563]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  296.411605] (UME) 
[  296.415835]  ? trace_hardirqs_on+0xbd/0x310
[  296.418130] 201*16kB (ME) 
[  296.422720]  ? kasan_check_read+0x11/0x20
[  296.424839] 59*32kB (UME) 
[  296.429169]  ? __run_timers+0x7da/0xc70
[  296.431993] 15*64kB (UM) 
[  296.436164]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  296.438986] 0*128kB 
[  296.442959]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  296.445692] 0*256kB 
[  296.451149]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  296.453463] 0*512kB 
[  296.457696]  __run_timers+0x7e5/0xc70
[  296.459997] 0*1024kB 
[  296.464236]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  296.466543] 0*2048kB 
[  296.470341]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  296.472725] 0*4096kB 
[  296.478082]  ? rcu_bh_qs+0xc0/0xc0
[  296.480476] = 13844kB
[  296.485759]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.488153] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  296.491688]  ? check_preemption_disabled+0x48/0x200
[  296.494076] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  296.499607]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  296.508417] 1697 total pagecache pages
[  296.513435]  ? retint_kernel+0x2d/0x2d
[  296.522002] 0 pages in swap cache
[  296.526763]  ? trace_hardirqs_on_caller+0xc0/0x300
[  296.530630] Swap cache stats: add 0, delete 0, find 0/0
[  296.534513]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  296.537939] Free swap  = 0kB
[  296.542866]  ? trace_hardirqs_off_caller+0x300/0x300
[  296.548219] Total swap = 0kB
[  296.552984]  ? check_preemption_disabled+0x48/0x200
[  296.555971] 1965979 pages RAM
[  296.561067]  ? graph_lock+0x170/0x170
[  296.564063] 0 pages HighMem/MovableOnly
[  296.569076]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.572150] 342744 pages reserved
[  296.572159] 0 pages cma reserved
[  296.575958]  ? check_preemption_disabled+0x48/0x200
[  296.579991] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  296.585452]  ? __lock_is_held+0xb5/0x140
[  296.589009] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  296.592272]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.597286] ksoftirqd/0 cpuset=
[  296.603777]  ? check_preemption_disabled+0x48/0x200
[  296.607814] /
[  296.618126]  run_timer_softirq+0x52/0xb0
[  296.623636]  mems_allowed=0
[  296.626919]  ? rcu_read_lock_sched_held+0x108/0x120
[  296.645592]  __do_softirq+0x30b/0xad8
[  296.649411]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  296.654527]  ? pvclock_read_flags+0x160/0x160
[  296.659139]  ? lapic_next_event+0x5a/0x90
[  296.663291]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.668833]  ? check_preemption_disabled+0x48/0x200
[  296.673853]  ? check_preemption_disabled+0x48/0x200
[  296.678893]  ? kvm_clock_read+0x18/0x30
[  296.682893]  ? kvm_sched_clock_read+0x9/0x20
[  296.687306]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.692848]  ? check_preemption_disabled+0x48/0x200
[  296.697881]  irq_exit+0x17f/0x1c0
[  296.701350]  smp_apic_timer_interrupt+0x1cb/0x760
[  296.706192]  ? smp_reschedule_interrupt+0x109/0x650
[  296.711210]  ? smp_call_function_single_interrupt+0x650/0x650
[  296.717097]  ? interrupt_entry+0xb5/0xf0
[  296.721179]  ? trace_hardirqs_off_caller+0xbb/0x300
[  296.726195]  ? trace_hardirqs_off_caller+0xbb/0x300
[  296.731219]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  296.736077]  ? trace_hardirqs_off+0x300/0x300
[  296.740589]  ? trace_hardirqs_off+0x300/0x300
[  296.745098]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.750640]  ? check_preemption_disabled+0x48/0x200
[  296.755662]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.761216]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  296.766083]  apic_timer_interrupt+0xf/0x20
[  296.770315]  </IRQ>
[  296.772556] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  296.777494] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 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 9a 42
[  296.796420] RSP: 0018:ffff88019cfa7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  296.804144] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  296.811419] RDX: 0000000000000000 RSI: ffff88019d338900 RDI: 0000000000000282
[  296.818706] RBP: ffff88019cfa77b0 R08: ffff88019d338080 R09: 0000000000000000
[  296.825986] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  296.833285] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  296.840615]  skb_clone+0x1bb/0x500
[  296.844168]  ? finish_task_switch+0x2f5/0x900
[  296.848671]  ? skb_split+0x11e0/0x11e0
[  296.852568]  ? preempt_notifier_register+0x200/0x200
[  296.857681]  ? __switch_to_asm+0x34/0x70
[  296.861748]  ? __switch_to_asm+0x34/0x70
[  296.865806]  ? __switch_to_asm+0x40/0x70
[  296.869868]  ? __switch_to_asm+0x34/0x70
[  296.873930]  ? __switch_to_asm+0x40/0x70
[  296.877987]  ? __switch_to_asm+0x34/0x70
[  296.882052]  ? __switch_to_asm+0x40/0x70
[  296.886127]  ? __switch_to_asm+0x34/0x70
[  296.890200]  ? __switch_to_asm+0x34/0x70
[  296.894264]  ? __switch_to_asm+0x40/0x70
[  296.898327]  ? __switch_to_asm+0x34/0x70
[  296.902416]  bpf_clone_redirect+0xb9/0x490
[  296.906670]  ? __schedule+0x874/0x1ed0
[  296.910564]  bpf_prog_bebbfe2050753572+0x482/0x1000
[  296.915592]  ? __sched_text_start+0x8/0x8
[  296.919760]  ? find_held_lock+0x36/0x1c0
[  296.923833]  ? lock_acquire+0x1ed/0x520
[  296.927811]  ? bpf_test_run+0x32e/0x5a0
[  296.931793]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.937337]  ? check_preemption_disabled+0x48/0x200
[  296.942360]  ? kasan_check_read+0x11/0x20
[  296.946512]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  296.951790]  ? rcu_bh_qs+0xc0/0xc0
[  296.955373]  ? preempt_schedule+0x4d/0x60
[  296.959526]  ? ___preempt_schedule+0x16/0x18
[  296.963953]  ? bpf_test_run+0x1c0/0x5a0
[  296.967954]  ? netlink_diag_dump+0x2a0/0x2a0
[  296.972384]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  296.977938]  ? bpf_test_init.isra.9+0x70/0x100
[  296.982525]  ? bpf_prog_test_run_skb+0x634/0xb40
[  296.987290]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  296.992135]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  296.997670]  ? fput+0x130/0x1a0
[  297.000961]  ? __bpf_prog_get+0x9b/0x290
[  297.005026]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  297.009868]  ? bpf_prog_test_run+0x130/0x1a0
[  297.014281]  ? __x64_sys_bpf+0x3d8/0x510
[  297.018366]  ? bpf_prog_get+0x20/0x20
[  297.022188]  ? ksys_ioctl+0x81/0xd0
[  297.025835]  ? do_syscall_64+0x1b9/0x820
[  297.029898]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  297.035290]  ? syscall_return_slowpath+0x5e0/0x5e0
[  297.040240]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  297.045502]  ? trace_hardirqs_off+0x300/0x300
[  297.050014]  ? prepare_exit_to_usermode+0x291/0x3b0
[  297.055039]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  297.059893]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  297.065278] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
[  297.065387] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  297.072038] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  297.072044] Call Trace:
[  297.072062]  dump_stack+0x1c4/0x2b4
[  297.072077]  ? dump_stack_print_info.cold.2+0x52/0x52
[  297.072104]  warn_alloc.cold.118+0xb7/0x1bd
[  297.078664] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  297.087927]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  297.090494] syz-executor1 cpuset=
[  297.094116]  ? lock_downgrade+0x900/0x900
[  297.099282] syz1
[  297.103608]  ? trace_hardirqs_off+0xb8/0x300
[  297.114079]  mems_allowed=0
[  297.118916]  ? trace_hardirqs_off+0xb8/0x300
[  297.140159]  __alloc_pages_slowpath+0x2667/0x2d80
[  297.145035]  ? warn_alloc+0x120/0x120
[  297.148846]  ? warn_alloc+0x120/0x120
[  297.152855]  ? print_usage_bug+0xc0/0xc0
[  297.156929]  ? warn_alloc+0x120/0x120
[  297.160734]  ? print_usage_bug+0xc0/0xc0
[  297.164798]  ? __lock_acquire+0x7ec/0x4ec0
[  297.169035]  ? __lock_acquire+0x7ec/0x4ec0
[  297.173273]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  297.178837]  ? should_fail+0x22d/0xd01
[  297.182729]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  297.187839]  ? __lock_acquire+0x7ec/0x4ec0
[  297.192080]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  297.197179]  ? __lock_acquire+0x7ec/0x4ec0
[  297.201420]  ? should_fail+0x22d/0xd01
[  297.205307]  ? print_usage_bug+0xc0/0xc0
[  297.209391]  ? mark_held_locks+0x130/0x130
[  297.213646]  ? mark_held_locks+0x130/0x130
[  297.217890]  ? graph_lock+0x170/0x170
[  297.221692]  ? print_usage_bug+0xc0/0xc0
[  297.225755]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  297.230538]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.236100]  ? check_preemption_disabled+0x48/0x200
[  297.241126]  ? check_preemption_disabled+0x48/0x200
[  297.246158]  ? __lock_is_held+0xb5/0x140
[  297.250227]  __alloc_pages_nodemask+0xa80/0xde0
[  297.254900]  ? graph_lock+0x170/0x170
[  297.258710]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  297.263724]  ? graph_lock+0x170/0x170
[  297.267535]  ? find_held_lock+0x36/0x1c0
[  297.271608]  ? ____cache_alloc_node+0x1c7/0x1e0
[  297.276278]  ? lock_downgrade+0x900/0x900
[  297.280441]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.285996]  cache_grow_begin+0x91/0x8c0
[  297.290061]  ? do_raw_spin_unlock+0xa7/0x2f0
[  297.294504]  fallback_alloc+0x203/0x2e0
[  297.298485]  ____cache_alloc_node+0x1c7/0x1e0
[  297.302986]  kmem_cache_alloc_node+0xe3/0x730
[  297.307486]  ? ipv6_get_ifaddr+0x42e/0x620
[  297.311735]  __alloc_skb+0x119/0x770
[  297.315451]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  297.320759]  ? skb_scrub_packet+0x490/0x490
[  297.325079]  ? lock_downgrade+0x900/0x900
[  297.329232]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.334771]  ? refcount_sub_and_test_checked+0x203/0x310
[  297.340246]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  297.345699]  ? addrconf_rs_timer+0x6f0/0x6f0
[  297.350122]  ndisc_alloc_skb+0x144/0x340
[  297.354189]  ndisc_send_rs+0x331/0x6e0
[  297.358082]  addrconf_rs_timer+0x3c0/0x6f0
[  297.362320]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  297.366573]  call_timer_fn+0x272/0x920
[  297.370476]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  297.374722]  ? process_timeout+0x40/0x40
[  297.378790]  ? find_held_lock+0x36/0x1c0
[  297.382858]  ? __run_timers+0x7da/0xc70
[  297.386836]  ? _raw_spin_unlock_irq+0x27/0x80
[  297.391329]  ? _raw_spin_unlock_irq+0x27/0x80
[  297.395824]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  297.400062]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  297.404646]  ? trace_hardirqs_on+0xbd/0x310
[  297.408982]  ? kasan_check_read+0x11/0x20
[  297.413152]  ? __run_timers+0x7da/0xc70
[  297.417130]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  297.422604]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  297.426843]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  297.431090]  __run_timers+0x7e5/0xc70
[  297.434919]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  297.440308]  ? compat_start_thread+0x80/0x80
[  297.444736]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.450282]  ? kasan_check_write+0x14/0x20
[  297.454515]  ? finish_task_switch+0x2f5/0x900
[  297.459012]  ? __switch_to_asm+0x40/0x70
[  297.463076]  ? preempt_notifier_register+0x200/0x200
[  297.468179]  ? __switch_to_asm+0x34/0x70
[  297.472241]  ? __switch_to_asm+0x40/0x70
[  297.476298]  ? __switch_to_asm+0x34/0x70
[  297.480355]  ? __switch_to_asm+0x40/0x70
[  297.484415]  ? __switch_to_asm+0x34/0x70
[  297.488483]  ? __switch_to_asm+0x40/0x70
[  297.492566]  ? pvclock_read_flags+0x160/0x160
[  297.497064]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.502604]  ? check_preemption_disabled+0x48/0x200
[  297.507634]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  297.512911]  ? rcu_pm_notify+0xc0/0xc0
[  297.516805]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.522368]  ? check_preemption_disabled+0x48/0x200
[  297.527393]  run_timer_softirq+0x52/0xb0
[  297.531461]  ? rcu_read_lock_sched_held+0x108/0x120
[  297.536481]  __do_softirq+0x30b/0xad8
[  297.540304]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  297.545423]  ? schedule+0x108/0x460
[  297.549055]  ? __schedule+0x1ed0/0x1ed0
[  297.553037]  ? trace_hardirqs_off+0xb8/0x300
[  297.557452]  ? ___might_sleep+0x1ed/0x300
[  297.561598]  ? smpboot_thread_fn+0x68b/0xa00
[  297.566010]  ? trace_hardirqs_on+0x310/0x310
[  297.570428]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  297.575982]  ? check_preemption_disabled+0x48/0x200
[  297.581001]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.586555]  ? takeover_tasklets+0xa90/0xa90
[  297.590969]  run_ksoftirqd+0x94/0x100
[  297.594778]  smpboot_thread_fn+0x68b/0xa00
[  297.599011]  ? sort_range+0x30/0x30
[  297.602664]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  297.607770]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  297.613310]  ? __kthread_parkme+0xfb/0x1a0
[  297.617548]  kthread+0x35a/0x420
[  297.620917]  ? sort_range+0x30/0x30
[  297.624550]  ? kthread_bind+0x40/0x40
[  297.628375]  ret_from_fork+0x3a/0x50
[  297.632116] CPU: 1 PID: 10110 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
[  297.632122] warn_alloc_show_mem: 1 callbacks suppressed
[  297.632130] Mem-Info:
[  297.639424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  297.644795] active_anon:39159 inactive_anon:1633 isolated_anon:0
[  297.644795]  active_file:15 inactive_file:16 isolated_file:0
[  297.644795]  unevictable:0 dirty:0 writeback:0 unstable:0
[  297.644795]  slab_reclaimable:8773 slab_unreclaimable:1470459
[  297.644795]  mapped:49330 shmem:1666 pagetables:630 bounce:0
[  297.644795]  free:13723 free_pcp:275 free_cma:0
[  297.647171] Call Trace:
[  297.656562] Node 0 active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197320kB dirty:0kB writeback:0kB shmem:6664kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  297.689595]  <IRQ>
[  297.692174] Node 0 
[  297.719848]  dump_stack+0x1c4/0x2b4
[  297.722006] 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
[  297.724213]  ? dump_stack_print_info.cold.2+0x52/0x52
[  297.727808] lowmem_reserve[]: 0
[  297.753330]  warn_alloc.cold.118+0xb7/0x1bd
[  297.758492]  2817
[  297.761769]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  297.766064]  6321
[  297.768125]  ? lock_downgrade+0x900/0x900
[  297.772941]  6321
[  297.775006]  ? trace_hardirqs_off+0xb8/0x300
[  297.781187]  ? trace_hardirqs_off+0xb8/0x300
[  297.785580] Node 0 DMA32 free:25172kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  297.790034]  __alloc_pages_slowpath+0x2667/0x2d80
[  297.790089]  ? warn_alloc+0x120/0x120
[  297.817362] lowmem_reserve[]: 0
[  297.822220]  ? trace_hardirqs_on+0x310/0x310
[  297.825995]  0
[  297.829270]  ? warn_alloc+0x120/0x120
[  297.833653]  3503
[  297.835456]  ? print_usage_bug+0xc0/0xc0
[  297.839241]  3503
[  297.841305]  ? warn_alloc+0x120/0x120
[  297.845361] Node 0 
[  297.847428]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  297.847445]  ? print_usage_bug+0xc0/0xc0
[  297.851273] Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5408kB pagetables:2520kB bounce:0kB free_pcp:852kB local_pcp:604kB free_cma:0kB
[  297.853504]  ? __lock_acquire+0x7ec/0x4ec0
[  297.858494] lowmem_reserve[]:
[  297.862554]  ? __lock_acquire+0x7ec/0x4ec0
[  297.890900]  0
[  297.895150]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  297.898226]  0 0
[  297.902473]  ? should_fail+0x22d/0xd01
[  297.904249]  0
[  297.909781]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  297.915630]  ? __lock_acquire+0x7ec/0x4ec0
[  297.917415] Node 0 
[  297.922511]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  297.926719] DMA: 
[  297.928952]  ? __lock_acquire+0x7ec/0x4ec0
[  297.934043] 1*4kB 
[  297.936102]  ? should_fail+0x22d/0xd01
[  297.940314] (U) 
[  297.942463]  ? print_usage_bug+0xc0/0xc0
[  297.946327] 0*8kB 
[  297.948304]  ? mark_held_locks+0x130/0x130
[  297.952343] 0*16kB 
[  297.954515]  ? mark_held_locks+0x130/0x130
[  297.958717] 1*32kB 
[  297.960952]  ? graph_lock+0x170/0x170
[  297.965171] (U) 
[  297.967434]  ? print_usage_bug+0xc0/0xc0
[  297.971210] 2*64kB 
[  297.973180]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  297.977212] (U) 
[  297.979446]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.984189] 1*128kB 
[  297.986162]  ? check_preemption_disabled+0x48/0x200
[  297.991672] (U) 
[  297.994002]  ? check_preemption_disabled+0x48/0x200
[  297.998992] 1*256kB 
[  298.000987]  ? __lock_is_held+0xb5/0x140
[  298.005970] (U) 
[  298.008303]  __alloc_pages_nodemask+0xa80/0xde0
[  298.012349] 0*512kB 
[  298.014325]  ? graph_lock+0x170/0x170
[  298.018982] 1*1024kB 
[  298.021303]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  298.025096] (U) 
[  298.027515]  ? graph_lock+0x170/0x170
[  298.032507] 1*2048kB 
[  298.034484]  ? find_held_lock+0x36/0x1c0
[  298.038250] (M) 
[  298.040662]  ? ____cache_alloc_node+0x1c7/0x1e0
[  298.044693] 3*4096kB (M) 
[  298.046677]  ? lock_downgrade+0x900/0x900
[  298.051325] = 15908kB
[  298.054099]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.058223] Node 0 
[  298.060642]  cache_grow_begin+0x91/0x8c0
[  298.066142] DMA32: 3*4kB 
[  298.068387]  ? do_raw_spin_unlock+0xa7/0x2f0
[  298.072435] (UM) 
[  298.075196]  fallback_alloc+0x203/0x2e0
[  298.079570] 1*8kB (U) 
[  298.081646]  ____cache_alloc_node+0x1c7/0x1e0
[  298.085626] 4*16kB 
[  298.088153]  kmem_cache_alloc_node+0xe3/0x730
[  298.092621] (UM) 
[  298.094858]  ? ipv6_get_ifaddr+0x42e/0x620
[  298.099328] 2*32kB 
[  298.101396]  __alloc_skb+0x119/0x770
[  298.105604] (UM) 
[  298.107840]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  298.111524] 3*64kB (UM) 
[  298.113604]  ? skb_scrub_packet+0x490/0x490
[  298.118858] 4*128kB (UM) 
[  298.121534]  ? lock_downgrade+0x900/0x900
[  298.125833] 3*256kB 
[  298.128590]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.132710] (UM) 
[  298.135037]  ? refcount_sub_and_test_checked+0x203/0x310
[  298.140561] 4*512kB 
[  298.142619]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  298.148058] (UM) 
[  298.150395]  ? addrconf_rs_timer+0x6f0/0x6f0
[  298.155832] 3*1024kB 
[  298.157919]  ndisc_alloc_skb+0x144/0x340
[  298.162575] (M) 3*2048kB 
[  298.164996]  ndisc_send_rs+0x331/0x6e0
[  298.169032] (UM) 
[  298.171785]  addrconf_rs_timer+0x3c0/0x6f0
[  298.175647] 3*4096kB 
[  298.177704]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.181918] (M) 
[  298.184334]  call_timer_fn+0x272/0x920
[  298.188529] = 25172kB
[  298.188538] Node 0 
[  298.190518]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.194377] Normal: 979*4kB 
[  298.196792]  ? process_timeout+0x40/0x40
[  298.199002] (ME) 483*8kB 
[  298.203253]  ? find_held_lock+0x36/0x1c0
[  298.206250] (UME) 
[  298.210308]  ? __run_timers+0x7da/0xc70
[  298.213042] 201*16kB 
[  298.217096]  ? _raw_spin_unlock_irq+0x27/0x80
[  298.219221] (ME) 
[  298.223197]  ? _raw_spin_unlock_irq+0x27/0x80
[  298.225585] 59*32kB 
[  298.230075]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.232114] (UME) 15*64kB 
[  298.236618]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  298.238915] (UM) 0*128kB 
[  298.243177]  ? trace_hardirqs_on+0xbd/0x310
[  298.245995] 0*256kB 
[  298.250576]  ? kasan_check_read+0x11/0x20
[  298.253311] 0*512kB 
[  298.257629]  ? __run_timers+0x7da/0xc70
[  298.259933] 0*1024kB 
[  298.264083]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  298.266391] 0*2048kB 
[  298.270355]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.272744] 0*4096kB 
[  298.278189]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.280577] = 13844kB
[  298.284809]  __run_timers+0x7e5/0xc70
[  298.287231] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  298.291471]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  298.293847] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  298.297641]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  298.306450] 1697 total pagecache pages
[  298.311826]  ? rcu_bh_qs+0xc0/0xc0
[  298.320395] 0 pages in swap cache
[  298.325654]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.329516] Swap cache stats: add 0, delete 0, find 0/0
[  298.329525] Free swap  = 0kB
[  298.333081]  ? check_preemption_disabled+0x48/0x200
[  298.336509] Total swap = 0kB
[  298.342070]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  298.347418] 1965979 pages RAM
[  298.350438]  ? retint_kernel+0x2d/0x2d
[  298.355425] 0 pages HighMem/MovableOnly
[  298.355435] 342744 pages reserved
[  298.358451]  ? trace_hardirqs_on_caller+0xc0/0x300
[  298.363182] 0 pages cma reserved
[  298.366286]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  298.370236] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  298.374122]  ? trace_hardirqs_off_caller+0x300/0x300
[  298.377654] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  298.382489]  ? check_preemption_disabled+0x48/0x200
[  298.385831] ksoftirqd/0 cpuset=
[  298.390630]  ? graph_lock+0x170/0x170
[  298.397423] /
[  298.402565]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.412863]  mems_allowed=0
[  298.417880]  ? check_preemption_disabled+0x48/0x200
[  298.440079]  ? __lock_is_held+0xb5/0x140
[  298.444148]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.449693]  ? check_preemption_disabled+0x48/0x200
[  298.454718]  run_timer_softirq+0x52/0xb0
[  298.458788]  ? rcu_read_lock_sched_held+0x108/0x120
[  298.463815]  __do_softirq+0x30b/0xad8
[  298.467631]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  298.472747]  ? pvclock_read_flags+0x160/0x160
[  298.477239]  ? lapic_next_event+0x5a/0x90
[  298.481409]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.486949]  ? check_preemption_disabled+0x48/0x200
[  298.491963]  ? check_preemption_disabled+0x48/0x200
[  298.496987]  ? kvm_clock_read+0x18/0x30
[  298.500961]  ? kvm_sched_clock_read+0x9/0x20
[  298.505372]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.510919]  ? check_preemption_disabled+0x48/0x200
[  298.515974]  irq_exit+0x17f/0x1c0
[  298.519431]  smp_apic_timer_interrupt+0x1cb/0x760
[  298.524274]  ? smp_reschedule_interrupt+0x109/0x650
[  298.529312]  ? smp_call_function_single_interrupt+0x650/0x650
[  298.535203]  ? interrupt_entry+0xb5/0xf0
[  298.539268]  ? trace_hardirqs_off_caller+0xbb/0x300
[  298.544285]  ? trace_hardirqs_off_caller+0xbb/0x300
[  298.549302]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  298.554146]  ? trace_hardirqs_off+0x300/0x300
[  298.558643]  ? trace_hardirqs_off+0x300/0x300
[  298.563140]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.568682]  ? check_preemption_disabled+0x48/0x200
[  298.573702]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.579245]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  298.584102]  apic_timer_interrupt+0xf/0x20
[  298.588331]  </IRQ>
[  298.590576] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  298.595717] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 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 9a 42
[  298.614615] RSP: 0018:ffff88019cfa7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  298.622325] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  298.629595] RDX: 0000000000000000 RSI: ffff88019d338900 RDI: 0000000000000282
[  298.636864] RBP: ffff88019cfa77b0 R08: ffff88019d338080 R09: 0000000000000000
[  298.644149] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  298.651418] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  298.658750]  skb_clone+0x1bb/0x500
[  298.662327]  ? finish_task_switch+0x2f5/0x900
[  298.666831]  ? skb_split+0x11e0/0x11e0
[  298.670726]  ? preempt_notifier_register+0x200/0x200
[  298.675831]  ? __switch_to_asm+0x34/0x70
[  298.679892]  ? __switch_to_asm+0x34/0x70
[  298.684058]  ? __switch_to_asm+0x40/0x70
[  298.688121]  ? __switch_to_asm+0x34/0x70
[  298.692179]  ? __switch_to_asm+0x40/0x70
[  298.696237]  ? __switch_to_asm+0x34/0x70
[  298.700308]  ? __switch_to_asm+0x40/0x70
[  298.704368]  ? __switch_to_asm+0x34/0x70
[  298.708436]  ? __switch_to_asm+0x34/0x70
[  298.712496]  ? __switch_to_asm+0x40/0x70
[  298.716555]  ? __switch_to_asm+0x34/0x70
[  298.720629]  bpf_clone_redirect+0xb9/0x490
[  298.724884]  ? __schedule+0x874/0x1ed0
[  298.728790]  bpf_prog_bebbfe2050753572+0x482/0x1000
[  298.733811]  ? __sched_text_start+0x8/0x8
[  298.737972]  ? find_held_lock+0x36/0x1c0
[  298.742042]  ? lock_acquire+0x1ed/0x520
[  298.746014]  ? bpf_test_run+0x32e/0x5a0
[  298.749996]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.755544]  ? check_preemption_disabled+0x48/0x200
[  298.760569]  ? kasan_check_read+0x11/0x20
[  298.764723]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  298.770000]  ? rcu_bh_qs+0xc0/0xc0
[  298.773542]  ? preempt_schedule+0x4d/0x60
[  298.777696]  ? ___preempt_schedule+0x16/0x18
[  298.782115]  ? bpf_test_run+0x1c0/0x5a0
[  298.786104]  ? netlink_diag_dump+0x2a0/0x2a0
[  298.790542]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  298.796080]  ? bpf_test_init.isra.9+0x70/0x100
[  298.800665]  ? bpf_prog_test_run_skb+0x634/0xb40
[  298.805430]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  298.810271]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  298.815810]  ? fput+0x130/0x1a0
[  298.819090]  ? __bpf_prog_get+0x9b/0x290
[  298.823155]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  298.827999]  ? bpf_prog_test_run+0x130/0x1a0
[  298.832416]  ? __x64_sys_bpf+0x3d8/0x510
[  298.836481]  ? bpf_prog_get+0x20/0x20
[  298.840286]  ? ksys_ioctl+0x81/0xd0
[  298.843942]  ? do_syscall_64+0x1b9/0x820
[  298.848000]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  298.853371]  ? syscall_return_slowpath+0x5e0/0x5e0
[  298.858319]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  298.863161]  ? trace_hardirqs_off+0x300/0x300
[  298.867675]  ? prepare_exit_to_usermode+0x291/0x3b0
[  298.872696]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  298.877547]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  298.882936] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
[  298.883036] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  298.889705] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  298.889711] Call Trace:
[  298.889730]  dump_stack+0x1c4/0x2b4
[  298.889747]  ? dump_stack_print_info.cold.2+0x52/0x52
[  298.889774]  warn_alloc.cold.118+0xb7/0x1bd
[  298.896302] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  298.905608]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  298.908172] syz-executor1 cpuset=
[  298.911795]  ? lock_downgrade+0x900/0x900
[  298.916973] syz1
[  298.921315]  ? trace_hardirqs_off+0xb8/0x300
[  298.931793]  mems_allowed=0
[  298.936653]  ? trace_hardirqs_off+0xb8/0x300
[  298.957912]  __alloc_pages_slowpath+0x2667/0x2d80
[  298.962787]  ? warn_alloc+0x120/0x120
[  298.966591]  ? warn_alloc+0x120/0x120
[  298.970421]  ? print_usage_bug+0xc0/0xc0
[  298.974481]  ? warn_alloc+0x120/0x120
[  298.978287]  ? print_usage_bug+0xc0/0xc0
[  298.982380]  ? __lock_acquire+0x7ec/0x4ec0
[  298.986624]  ? __lock_acquire+0x7ec/0x4ec0
[  298.990864]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  298.996418]  ? should_fail+0x22d/0xd01
[  299.000314]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  299.005423]  ? __lock_acquire+0x7ec/0x4ec0
[  299.009662]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  299.014765]  ? __lock_acquire+0x7ec/0x4ec0
[  299.018995]  ? should_fail+0x22d/0xd01
[  299.022879]  ? print_usage_bug+0xc0/0xc0
[  299.026972]  ? mark_held_locks+0x130/0x130
[  299.031213]  ? mark_held_locks+0x130/0x130
[  299.035460]  ? graph_lock+0x170/0x170
[  299.039255]  ? print_usage_bug+0xc0/0xc0
[  299.043314]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  299.048548]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.054091]  ? check_preemption_disabled+0x48/0x200
[  299.059105]  ? check_preemption_disabled+0x48/0x200
[  299.064130]  ? __lock_is_held+0xb5/0x140
[  299.068210]  __alloc_pages_nodemask+0xa80/0xde0
[  299.072879]  ? graph_lock+0x170/0x170
[  299.076699]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  299.081712]  ? graph_lock+0x170/0x170
[  299.085546]  ? find_held_lock+0x36/0x1c0
[  299.089632]  ? ____cache_alloc_node+0x1c7/0x1e0
[  299.094311]  ? lock_downgrade+0x900/0x900
[  299.098501]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.104044]  cache_grow_begin+0x91/0x8c0
[  299.108106]  ? do_raw_spin_unlock+0xa7/0x2f0
[  299.112525]  fallback_alloc+0x203/0x2e0
[  299.116510]  ____cache_alloc_node+0x1c7/0x1e0
[  299.121033]  kmem_cache_alloc_node+0xe3/0x730
[  299.125531]  ? ipv6_get_ifaddr+0x42e/0x620
[  299.129776]  __alloc_skb+0x119/0x770
[  299.133493]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  299.138778]  ? skb_scrub_packet+0x490/0x490
[  299.143100]  ? lock_downgrade+0x900/0x900
[  299.147259]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.152980]  ? refcount_sub_and_test_checked+0x203/0x310
[  299.158448]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  299.163897]  ? addrconf_rs_timer+0x6f0/0x6f0
[  299.168332]  ndisc_alloc_skb+0x144/0x340
[  299.172394]  ndisc_send_rs+0x331/0x6e0
[  299.176304]  addrconf_rs_timer+0x3c0/0x6f0
[  299.180554]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.184901]  call_timer_fn+0x272/0x920
[  299.188787]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.193032]  ? process_timeout+0x40/0x40
[  299.197088]  ? find_held_lock+0x36/0x1c0
[  299.201155]  ? __run_timers+0x7da/0xc70
[  299.205145]  ? _raw_spin_unlock_irq+0x27/0x80
[  299.209652]  ? _raw_spin_unlock_irq+0x27/0x80
[  299.214149]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.218381]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  299.222971]  ? trace_hardirqs_on+0xbd/0x310
[  299.227289]  ? kasan_check_read+0x11/0x20
[  299.231443]  ? __run_timers+0x7da/0xc70
[  299.235431]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  299.240905]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.245160]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.249395]  __run_timers+0x7e5/0xc70
[  299.253228]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  299.258594]  ? compat_start_thread+0x80/0x80
[  299.263060]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.268611]  ? kasan_check_write+0x14/0x20
[  299.272850]  ? finish_task_switch+0x2f5/0x900
[  299.277344]  ? __switch_to_asm+0x40/0x70
[  299.281417]  ? preempt_notifier_register+0x200/0x200
[  299.286524]  ? __switch_to_asm+0x34/0x70
[  299.290586]  ? __switch_to_asm+0x40/0x70
[  299.294657]  ? __switch_to_asm+0x34/0x70
[  299.298714]  ? __switch_to_asm+0x40/0x70
[  299.302770]  ? __switch_to_asm+0x34/0x70
[  299.306842]  ? __switch_to_asm+0x40/0x70
[  299.310938]  ? pvclock_read_flags+0x160/0x160
[  299.315456]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.321001]  ? check_preemption_disabled+0x48/0x200
[  299.326040]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  299.331321]  ? rcu_pm_notify+0xc0/0xc0
[  299.335210]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.340779]  ? check_preemption_disabled+0x48/0x200
[  299.345807]  run_timer_softirq+0x52/0xb0
[  299.349891]  ? rcu_read_lock_sched_held+0x108/0x120
[  299.354910]  __do_softirq+0x30b/0xad8
[  299.358740]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  299.363856]  ? schedule+0x108/0x460
[  299.367487]  ? __schedule+0x1ed0/0x1ed0
[  299.371470]  ? trace_hardirqs_off+0xb8/0x300
[  299.375885]  ? ___might_sleep+0x1ed/0x300
[  299.380028]  ? smpboot_thread_fn+0x68b/0xa00
[  299.384448]  ? trace_hardirqs_on+0x310/0x310
[  299.388856]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  299.394418]  ? check_preemption_disabled+0x48/0x200
[  299.399471]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.405016]  ? takeover_tasklets+0xa90/0xa90
[  299.409436]  run_ksoftirqd+0x94/0x100
[  299.413243]  smpboot_thread_fn+0x68b/0xa00
[  299.417485]  ? sort_range+0x30/0x30
[  299.421118]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  299.426229]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  299.431774]  ? __kthread_parkme+0xfb/0x1a0
[  299.436019]  kthread+0x35a/0x420
[  299.439399]  ? sort_range+0x30/0x30
[  299.443068]  ? kthread_bind+0x40/0x40
[  299.446879]  ret_from_fork+0x3a/0x50
[  299.450611] warn_alloc_show_mem: 1 callbacks suppressed
[  299.450624] CPU: 1 PID: 10110 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
[  299.450626] Mem-Info:
[  299.450657] active_anon:39159 inactive_anon:1633 isolated_anon:0
[  299.450657]  active_file:15 inactive_file:16 isolated_file:0
[  299.450657]  unevictable:0 dirty:0 writeback:0 unstable:0
[  299.450657]  slab_reclaimable:8773 slab_unreclaimable:1470459
[  299.450657]  mapped:49330 shmem:1666 pagetables:630 bounce:0
[  299.450657]  free:13723 free_pcp:275 free_cma:0
[  299.456008] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  299.463289] Node 0 active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197320kB dirty:0kB writeback:0kB shmem:6664kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  299.465693] Call Trace:
[  299.498733] Node 0 
[  299.508093]  <IRQ>
[  299.535772] 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
[  299.538339]  dump_stack+0x1c4/0x2b4
[  299.540543] lowmem_reserve[]: 0
[  299.542700]  ? dump_stack_print_info.cold.2+0x52/0x52
[  299.568175]  2817
[  299.571816]  warn_alloc.cold.118+0xb7/0x1bd
[  299.575064]  6321
[  299.580245]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  299.582280]  6321
[  299.586604]  ? lock_downgrade+0x900/0x900
[  299.588669] Node 0 
[  299.593517]  ? trace_hardirqs_off+0xb8/0x300
[  299.595579] DMA32 free:25172kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  299.599698]  ? trace_hardirqs_off+0xb8/0x300
[  299.601934] lowmem_reserve[]: 0
[  299.606363]  __alloc_pages_slowpath+0x2667/0x2d80
[  299.633047]  0 3503
[  299.637490]  ? warn_alloc+0x120/0x120
[  299.640715]  3503
[  299.645561]  ? warn_alloc+0x120/0x120
[  299.647775] Node 0 
[  299.651573]  ? print_usage_bug+0xc0/0xc0
[  299.653636] Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5408kB pagetables:2520kB bounce:0kB free_pcp:852kB local_pcp:604kB free_cma:0kB
[  299.657426]  ? warn_alloc+0x120/0x120
[  299.659643] lowmem_reserve[]:
[  299.663699]  ? print_usage_bug+0xc0/0xc0
[  299.692035]  0 0
[  299.695844]  ? __lock_acquire+0x7ec/0x4ec0
[  299.698931]  0
[  299.702988]  ? __lock_acquire+0x7ec/0x4ec0
[  299.704935]  0
[  299.709179]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  299.710957] Node 0 
[  299.715188]  ? should_fail+0x22d/0xd01
[  299.716970] DMA: 
[  299.722506]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  299.724725] 1*4kB 
[  299.728622]  ? __lock_acquire+0x7ec/0x4ec0
[  299.730665] (U) 
[  299.735768]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  299.737926] 0*8kB 
[  299.742174]  ? __lock_acquire+0x7ec/0x4ec0
[  299.744132] 0*16kB 
[  299.749240]  ? should_fail+0x22d/0xd01
[  299.751383] 1*32kB 
[  299.755627]  ? mark_held_locks+0x130/0x130
[  299.757838] (U) 
[  299.761730]  ? mark_held_locks+0x130/0x130
[  299.763946] 2*64kB 
[  299.768212]  ? graph_lock+0x170/0x170
[  299.770176] (U) 
[  299.774409]  ? graph_lock+0x170/0x170
[  299.776627] 1*128kB (U) 
[  299.780432]  ? graph_lock+0x170/0x170
[  299.782380] 1*256kB (U) 
[  299.786212]  ? print_usage_bug+0xc0/0xc0
[  299.788873] 0*512kB 
[  299.792672]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.795344] 1*1024kB 
[  299.799401]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.801699] (U) 
[  299.807233]  ? check_preemption_disabled+0x48/0x200
[  299.809613] 1*2048kB (M) 
[  299.815171]  ? check_preemption_disabled+0x48/0x200
[  299.817114] 3*4096kB (M) 
[  299.822140]  ? __lock_is_held+0xb5/0x140
[  299.824869] = 15908kB
[  299.829882]  __alloc_pages_nodemask+0xa80/0xde0
[  299.832614] Node 0 
[  299.836667]  ? graph_lock+0x170/0x170
[  299.839056] DMA32: 
[  299.843717]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  299.845935] 3*4kB 
[  299.849732]  ? graph_lock+0x170/0x170
[  299.851947] (UM) 
[  299.856966]  ? find_held_lock+0x36/0x1c0
[  299.859086] 1*8kB (U) 
[  299.862901]  ? ____cache_alloc_node+0x1c7/0x1e0
[  299.864925] 4*16kB (UM) 
[  299.868993]  ? lock_downgrade+0x900/0x900
[  299.871461] 2*32kB (UM) 
[  299.876141]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.878780] 3*64kB (UM) 
[  299.882937]  cache_grow_begin+0x91/0x8c0
[  299.885587] 4*128kB 
[  299.891121]  ? do_raw_spin_unlock+0xa7/0x2f0
[  299.893798] (UM) 
[  299.897858]  fallback_alloc+0x203/0x2e0
[  299.900151] 3*256kB (UM) 
[  299.904570]  ____cache_alloc_node+0x1c7/0x1e0
[  299.906606] 4*512kB 
[  299.910574]  kmem_cache_alloc_node+0xe3/0x730
[  299.913304] (UM) 
[  299.917796]  ? ipv6_get_ifaddr+0x42e/0x620
[  299.920108] 3*1024kB 
[  299.924627]  __alloc_skb+0x119/0x770
[  299.926701] (M) 
[  299.930945]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  299.933321] 3*2048kB (UM) 
[  299.937036]  ? skb_scrub_packet+0x490/0x490
[  299.938984] 3*4096kB (M) 
[  299.944290]  ? lock_downgrade+0x900/0x900
[  299.947114] = 25172kB
[  299.951431]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.951449]  ? refcount_sub_and_test_checked+0x203/0x310
[  299.954183] Node 0 
[  299.958323]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  299.960703] Normal: 979*4kB 
[  299.966332]  ? addrconf_rs_timer+0x6f0/0x6f0
[  299.971781] (ME) 
[  299.974034]  ndisc_alloc_skb+0x144/0x340
[  299.979452] 483*8kB 
[  299.982471]  ndisc_send_rs+0x331/0x6e0
[  299.986851] (UME) 
[  299.988918]  addrconf_rs_timer+0x3c0/0x6f0
[  299.992941] 201*16kB (ME) 
[  299.995275]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.999130] 59*32kB (UME) 
[  300.001355]  call_timer_fn+0x272/0x920
[  300.005525] 15*64kB (UM) 
[  300.008376]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  300.012601] 0*128kB 
[  300.015451]  ? process_timeout+0x40/0x40
[  300.019345] 0*256kB 
[  300.022095]  ? find_held_lock+0x36/0x1c0
[  300.026307] 0*512kB 
[  300.028630]  ? __run_timers+0x7da/0xc70
[  300.032674] 0*1024kB 
[  300.035007]  ? _raw_spin_unlock_irq+0x27/0x80
[  300.039039] 0*2048kB 0*4096kB 
[  300.041370]  ? _raw_spin_unlock_irq+0x27/0x80
[  300.045330] = 13844kB
[  300.045344] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  300.047756]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  300.052247] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  300.055435]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  300.059930] 1697 total pagecache pages
[  300.059948] 0 pages in swap cache
[  300.062349]  ? trace_hardirqs_on+0xbd/0x310
[  300.071170] Swap cache stats: add 0, delete 0, find 0/0
[  300.071179] Free swap  = 0kB
[  300.075427]  ? kasan_check_read+0x11/0x20
[  300.084016] Total swap = 0kB
[  300.088592]  ? __run_timers+0x7da/0xc70
[  300.092454] 1965979 pages RAM
[  300.095931]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  300.100213] 0 pages HighMem/MovableOnly
[  300.100222] 342744 pages reserved
[  300.105582]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  300.108581] 0 pages cma reserved
[  300.112810]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  300.115895] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  300.119770]  __run_timers+0x7e5/0xc70
[  300.119798]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  300.119819]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  300.122972] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  300.128452]  ? rcu_bh_qs+0xc0/0xc0
[  300.132401] ksoftirqd/0 cpuset=
[  300.135851]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.140068] /
[  300.143438]  ? check_preemption_disabled+0x48/0x200
[  300.147647]  mems_allowed=0
[  300.154150]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  300.205574]  ? retint_kernel+0x2d/0x2d
[  300.209478]  ? trace_hardirqs_on_caller+0xc0/0x300
[  300.214452]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  300.219293]  ? trace_hardirqs_off_caller+0x300/0x300
[  300.224444]  ? check_preemption_disabled+0x48/0x200
[  300.229466]  ? graph_lock+0x170/0x170
[  300.233268]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.238819]  ? check_preemption_disabled+0x48/0x200
[  300.243899]  ? __lock_is_held+0xb5/0x140
[  300.247996]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.253534]  ? check_preemption_disabled+0x48/0x200
[  300.258571]  run_timer_softirq+0x52/0xb0
[  300.262633]  ? rcu_read_lock_sched_held+0x108/0x120
[  300.267679]  __do_softirq+0x30b/0xad8
[  300.271527]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  300.276685]  ? pvclock_read_flags+0x160/0x160
[  300.281262]  ? lapic_next_event+0x5a/0x90
[  300.285437]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.290988]  ? check_preemption_disabled+0x48/0x200
[  300.296001]  ? check_preemption_disabled+0x48/0x200
[  300.301043]  ? kvm_clock_read+0x18/0x30
[  300.305014]  ? kvm_sched_clock_read+0x9/0x20
[  300.309458]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.315010]  ? check_preemption_disabled+0x48/0x200
[  300.320044]  irq_exit+0x17f/0x1c0
[  300.323502]  smp_apic_timer_interrupt+0x1cb/0x760
[  300.328345]  ? smp_reschedule_interrupt+0x109/0x650
[  300.333363]  ? smp_call_function_single_interrupt+0x650/0x650
[  300.339264]  ? interrupt_entry+0xb5/0xf0
[  300.343329]  ? trace_hardirqs_off_caller+0xbb/0x300
[  300.348343]  ? trace_hardirqs_off_caller+0xbb/0x300
[  300.353377]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  300.358230]  ? trace_hardirqs_off+0x300/0x300
[  300.362750]  ? trace_hardirqs_off+0x300/0x300
[  300.367248]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.372799]  ? check_preemption_disabled+0x48/0x200
[  300.377814]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.383359]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  300.388215]  apic_timer_interrupt+0xf/0x20
[  300.392448]  </IRQ>
[  300.394687] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  300.399634] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 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 9a 42
[  300.418543] RSP: 0018:ffff88019cfa7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  300.426257] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  300.433530] RDX: 0000000000000000 RSI: ffff88019d338900 RDI: 0000000000000282
[  300.440798] RBP: ffff88019cfa77b0 R08: ffff88019d338080 R09: 0000000000000000
[  300.448061] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  300.455343] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  300.462667]  skb_clone+0x1bb/0x500
[  300.466216]  ? finish_task_switch+0x2f5/0x900
[  300.470726]  ? skb_split+0x11e0/0x11e0
[  300.474621]  ? preempt_notifier_register+0x200/0x200
[  300.479726]  ? __switch_to_asm+0x34/0x70
[  300.483790]  ? __switch_to_asm+0x34/0x70
[  300.487852]  ? __switch_to_asm+0x40/0x70
[  300.491916]  ? __switch_to_asm+0x34/0x70
[  300.495984]  ? __switch_to_asm+0x40/0x70
[  300.500045]  ? __switch_to_asm+0x34/0x70
[  300.504103]  ? __switch_to_asm+0x40/0x70
[  300.508162]  ? __switch_to_asm+0x34/0x70
[  300.512230]  ? __switch_to_asm+0x34/0x70
[  300.516291]  ? __switch_to_asm+0x40/0x70
[  300.520348]  ? __switch_to_asm+0x34/0x70
[  300.524423]  bpf_clone_redirect+0xb9/0x490
[  300.528663]  ? __schedule+0x874/0x1ed0
[  300.532559]  bpf_prog_bebbfe2050753572+0x482/0x1000
[  300.537581]  ? __sched_text_start+0x8/0x8
[  300.541745]  ? find_held_lock+0x36/0x1c0
[  300.545812]  ? lock_acquire+0x1ed/0x520
[  300.549785]  ? bpf_test_run+0x32e/0x5a0
[  300.553761]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.559303]  ? check_preemption_disabled+0x48/0x200
[  300.564329]  ? kasan_check_read+0x11/0x20
[  300.568485]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  300.573762]  ? rcu_bh_qs+0xc0/0xc0
[  300.577323]  ? preempt_schedule+0x4d/0x60
[  300.581471]  ? ___preempt_schedule+0x16/0x18
[  300.585891]  ? bpf_test_run+0x1c0/0x5a0
[  300.589889]  ? netlink_diag_dump+0x2a0/0x2a0
[  300.594303]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  300.599837]  ? bpf_test_init.isra.9+0x70/0x100
[  300.604450]  ? bpf_prog_test_run_skb+0x634/0xb40
[  300.609217]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  300.614057]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  300.619596]  ? fput+0x130/0x1a0
[  300.622895]  ? __bpf_prog_get+0x9b/0x290
[  300.626956]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  300.631832]  ? bpf_prog_test_run+0x130/0x1a0
[  300.636256]  ? __x64_sys_bpf+0x3d8/0x510
[  300.640313]  ? bpf_prog_get+0x20/0x20
[  300.644123]  ? ksys_ioctl+0x81/0xd0
[  300.647764]  ? do_syscall_64+0x1b9/0x820
[  300.651836]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  300.657204]  ? syscall_return_slowpath+0x5e0/0x5e0
[  300.662137]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  300.666980]  ? trace_hardirqs_off+0x300/0x300
[  300.671497]  ? prepare_exit_to_usermode+0x291/0x3b0
[  300.676525]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  300.681376]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  300.686775] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
[  300.686877] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  300.693536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  300.693548] Call Trace:
[  300.693567]  dump_stack+0x1c4/0x2b4
[  300.693583]  ? dump_stack_print_info.cold.2+0x52/0x52
[  300.693611]  warn_alloc.cold.118+0xb7/0x1bd
[  300.700206] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  300.709437]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  300.712002] syz-executor1 cpuset=
[  300.715625]  ? lock_downgrade+0x900/0x900
[  300.720793] syz1
[  300.725119]  ? trace_hardirqs_off+0xb8/0x300
[  300.735586]  mems_allowed=0
[  300.740427]  ? trace_hardirqs_off+0xb8/0x300
[  300.761687]  __alloc_pages_slowpath+0x2667/0x2d80
[  300.766562]  ? warn_alloc+0x120/0x120
[  300.770374]  ? warn_alloc+0x120/0x120
[  300.774180]  ? print_usage_bug+0xc0/0xc0
[  300.778244]  ? warn_alloc+0x120/0x120
[  300.782046]  ? print_usage_bug+0xc0/0xc0
[  300.786123]  ? __lock_acquire+0x7ec/0x4ec0
[  300.790359]  ? __lock_acquire+0x7ec/0x4ec0
[  300.794595]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  300.800135]  ? should_fail+0x22d/0xd01
[  300.804028]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  300.809133]  ? __lock_acquire+0x7ec/0x4ec0
[  300.813374]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  300.818472]  ? __lock_acquire+0x7ec/0x4ec0
[  300.822706]  ? should_fail+0x22d/0xd01
[  300.826602]  ? mark_held_locks+0x130/0x130
[  300.830845]  ? mark_held_locks+0x130/0x130
[  300.835084]  ? graph_lock+0x170/0x170
[  300.838883]  ? graph_lock+0x170/0x170
[  300.842690]  ? graph_lock+0x170/0x170
[  300.846495]  ? print_usage_bug+0xc0/0xc0
[  300.850556]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.856100]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.861641]  ? check_preemption_disabled+0x48/0x200
[  300.866659]  ? check_preemption_disabled+0x48/0x200
[  300.871687]  ? __lock_is_held+0xb5/0x140
[  300.875756]  __alloc_pages_nodemask+0xa80/0xde0
[  300.880430]  ? graph_lock+0x170/0x170
[  300.884247]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  300.889257]  ? graph_lock+0x170/0x170
[  300.893090]  ? find_held_lock+0x36/0x1c0
[  300.897163]  ? ____cache_alloc_node+0x1c7/0x1e0
[  300.901846]  ? lock_downgrade+0x900/0x900
[  300.906004]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.911550]  cache_grow_begin+0x91/0x8c0
[  300.915616]  ? do_raw_spin_unlock+0xa7/0x2f0
[  300.920034]  fallback_alloc+0x203/0x2e0
[  300.924023]  ____cache_alloc_node+0x1c7/0x1e0
[  300.928524]  kmem_cache_alloc_node+0xe3/0x730
[  300.933025]  ? ipv6_get_ifaddr+0x42e/0x620
[  300.937268]  __alloc_skb+0x119/0x770
[  300.940986]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  300.946268]  ? skb_scrub_packet+0x490/0x490
[  300.950589]  ? lock_downgrade+0x900/0x900
[  300.954746]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.960282]  ? refcount_sub_and_test_checked+0x203/0x310
[  300.965734]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  300.971186]  ? addrconf_rs_timer+0x6f0/0x6f0
[  300.975609]  ndisc_alloc_skb+0x144/0x340
[  300.979679]  ndisc_send_rs+0x331/0x6e0
[  300.983570]  addrconf_rs_timer+0x3c0/0x6f0
[  300.987829]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  300.992081]  call_timer_fn+0x272/0x920
[  300.995971]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  301.000214]  ? process_timeout+0x40/0x40
[  301.004278]  ? find_held_lock+0x36/0x1c0
[  301.008357]  ? __run_timers+0x7da/0xc70
[  301.012333]  ? _raw_spin_unlock_irq+0x27/0x80
[  301.016838]  ? _raw_spin_unlock_irq+0x27/0x80
[  301.021345]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  301.025584]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  301.030172]  ? trace_hardirqs_on+0xbd/0x310
[  301.034495]  ? kasan_check_read+0x11/0x20
[  301.038643]  ? __run_timers+0x7da/0xc70
[  301.042620]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  301.048583]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  301.052839]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  301.057073]  __run_timers+0x7e5/0xc70
[  301.060914]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  301.066279]  ? compat_start_thread+0x80/0x80
[  301.070690]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.076236]  ? kasan_check_write+0x14/0x20
[  301.080479]  ? finish_task_switch+0x2f5/0x900
[  301.084988]  ? __switch_to_asm+0x40/0x70
[  301.089075]  ? preempt_notifier_register+0x200/0x200
[  301.094176]  ? __switch_to_asm+0x34/0x70
[  301.098249]  ? __switch_to_asm+0x40/0x70
[  301.102336]  ? __switch_to_asm+0x34/0x70
[  301.106404]  ? __switch_to_asm+0x40/0x70
[  301.111304]  ? __switch_to_asm+0x34/0x70
[  301.115372]  ? __switch_to_asm+0x40/0x70
[  301.119468]  ? pvclock_read_flags+0x160/0x160
[  301.123964]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.129515]  ? check_preemption_disabled+0x48/0x200
[  301.134542]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  301.139831]  ? rcu_pm_notify+0xc0/0xc0
[  301.143731]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.149268]  ? check_preemption_disabled+0x48/0x200
[  301.154457]  run_timer_softirq+0x52/0xb0
[  301.158519]  ? rcu_read_lock_sched_held+0x108/0x120
[  301.163535]  __do_softirq+0x30b/0xad8
[  301.167350]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  301.172469]  ? schedule+0x108/0x460
[  301.176103]  ? __schedule+0x1ed0/0x1ed0
[  301.180094]  ? trace_hardirqs_off+0xb8/0x300
[  301.184504]  ? ___might_sleep+0x1ed/0x300
[  301.188652]  ? smpboot_thread_fn+0x68b/0xa00
[  301.193059]  ? trace_hardirqs_on+0x310/0x310
[  301.197473]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  301.203021]  ? check_preemption_disabled+0x48/0x200
[  301.208034]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.213586]  ? takeover_tasklets+0xa90/0xa90
[  301.217995]  run_ksoftirqd+0x94/0x100
[  301.221812]  smpboot_thread_fn+0x68b/0xa00
[  301.226064]  ? sort_range+0x30/0x30
[  301.229690]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  301.234804]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  301.240339]  ? __kthread_parkme+0xfb/0x1a0
[  301.244577]  kthread+0x35a/0x420
[  301.247949]  ? sort_range+0x30/0x30
[  301.251575]  ? kthread_bind+0x40/0x40
[  301.255395]  ret_from_fork+0x3a/0x50
[  301.259130] warn_alloc_show_mem: 1 callbacks suppressed
[  301.259143] CPU: 1 PID: 10110 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
[  301.259145] Mem-Info:
[  301.259177] active_anon:39159 inactive_anon:1633 isolated_anon:0
[  301.259177]  active_file:15 inactive_file:16 isolated_file:0
[  301.259177]  unevictable:0 dirty:0 writeback:0 unstable:0
[  301.259177]  slab_reclaimable:8773 slab_unreclaimable:1470459
[  301.259177]  mapped:49330 shmem:1666 pagetables:630 bounce:0
[  301.259177]  free:13723 free_pcp:275 free_cma:0
[  301.264529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  301.271812] Node 0 active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197320kB dirty:0kB writeback:0kB shmem:6664kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  301.274223] Call Trace:
[  301.307356] Node 0 
[  301.316720]  <IRQ>
[  301.344415] 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
[  301.346981]  dump_stack+0x1c4/0x2b4
[  301.349184] lowmem_reserve[]: 0
[  301.351336]  ? dump_stack_print_info.cold.2+0x52/0x52
[  301.376817]  2817
[  301.380468]  warn_alloc.cold.118+0xb7/0x1bd
[  301.383712]  6321
[  301.388896]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  301.390936]  6321
[  301.395252]  ? lock_downgrade+0x900/0x900
[  301.397294] Node 0 
[  301.402133]  ? trace_hardirqs_off+0xb8/0x300
[  301.404207] DMA32 free:25172kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  301.408327]  ? trace_hardirqs_off+0xb8/0x300
[  301.410541] lowmem_reserve[]:
[  301.414954]  __alloc_pages_slowpath+0x2667/0x2d80
[  301.441644]  0
[  301.446077]  ? warn_alloc+0x120/0x120
[  301.449134]  0
[  301.453973]  ? trace_hardirqs_on+0x310/0x310
[  301.455756]  3503
[  301.459553]  ? warn_alloc+0x120/0x120
[  301.461347]  3503
[  301.465748]  ? print_usage_bug+0xc0/0xc0
[  301.467792] Node 0 
[  301.471585]  ? warn_alloc+0x120/0x120
[  301.473654] Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5408kB pagetables:2520kB bounce:0kB free_pcp:852kB local_pcp:604kB free_cma:0kB
[  301.477688]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  301.479901] lowmem_reserve[]:
[  301.483706]  ? print_usage_bug+0xc0/0xc0
[  301.512049]  0
[  301.517070]  ? __lock_acquire+0x7ec/0x4ec0
[  301.520178]  0
[  301.524233]  ? __lock_acquire+0x7ec/0x4ec0
[  301.526017]  0
[  301.530258]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  301.532046]  0
[  301.536302]  ? should_fail+0x22d/0xd01
[  301.543613]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  301.545391] Node 0 DMA: 
[  301.549350]  ? __lock_acquire+0x7ec/0x4ec0
[  301.554434] 1*4kB 
[  301.557113]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  301.561321] (U) 
[  301.563468]  ? __lock_acquire+0x7ec/0x4ec0
[  301.568554] 0*8kB 0*16kB 
[  301.570555]  ? should_fail+0x22d/0xd01
[  301.574767] 1*32kB 
[  301.577520]  ? print_usage_bug+0xc0/0xc0
[  301.581381] (U) 
[  301.583627]  ? mark_held_locks+0x130/0x130
[  301.587663] 2*64kB 
[  301.589634]  ? mark_held_locks+0x130/0x130
[  301.593846] (U) 
[  301.596084]  ? graph_lock+0x170/0x170
[  301.600296] 1*128kB (U) 
[  301.602270]  ? print_usage_bug+0xc0/0xc0
[  301.606041] 1*256kB (U) 
[  301.608720]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  301.612755] 0*512kB 
[  301.615431]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.620167] 1*1024kB 
[  301.622640]  ? check_preemption_disabled+0x48/0x200
[  301.628146] (U) 
[  301.630552]  ? check_preemption_disabled+0x48/0x200
[  301.635540] 1*2048kB (M) 
[  301.637531]  ? __lock_is_held+0xb5/0x140
[  301.642511] 3*4096kB (M) 
[  301.645280]  __alloc_pages_nodemask+0xa80/0xde0
[  301.649316] = 15908kB
[  301.652062]  ? graph_lock+0x170/0x170
[  301.656707] Node 0 
[  301.659120]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  301.662901] DMA32: 
[  301.665134]  ? graph_lock+0x170/0x170
[  301.670123] 3*4kB 
[  301.672358]  ? find_held_lock+0x36/0x1c0
[  301.676132] (UM) 
[  301.678297]  ? ____cache_alloc_node+0x1c7/0x1e0
[  301.682324] 1*8kB 
[  301.684389]  ? lock_downgrade+0x900/0x900
[  301.689027] (U) 
[  301.691179]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.695302] 4*16kB 
[  301.697272]  cache_grow_begin+0x91/0x8c0
[  301.702780] (UM) 
[  301.705013]  ? do_raw_spin_unlock+0xa7/0x2f0
[  301.709049] 2*32kB 
[  301.711123]  fallback_alloc+0x203/0x2e0
[  301.715515] (UM) 
[  301.717757]  ____cache_alloc_node+0x1c7/0x1e0
[  301.721703] 3*64kB 
[  301.723763]  kmem_cache_alloc_node+0xe3/0x730
[  301.728231] (UM) 
[  301.730485]  ? ipv6_get_ifaddr+0x42e/0x620
[  301.734951] 4*128kB 
[  301.737011]  __alloc_skb+0x119/0x770
[  301.741213] (UM) 
[  301.743533]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  301.747221] 3*256kB 
[  301.749280]  ? skb_scrub_packet+0x490/0x490
[  301.754544] (UM) 
[  301.756865]  ? lock_downgrade+0x900/0x900
[  301.761162] 4*512kB 
[  301.763221]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.767340] (UM) 
[  301.769662]  ? refcount_sub_and_test_checked+0x203/0x310
[  301.775170] 3*1024kB 
[  301.777230]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  301.782652] (M) 
[  301.785056]  ? addrconf_rs_timer+0x6f0/0x6f0
[  301.790481] 3*2048kB 
[  301.792482]  ndisc_alloc_skb+0x144/0x340
[  301.796858] (UM) 
[  301.799275]  ndisc_send_rs+0x331/0x6e0
[  301.803308] 3*4096kB 
[  301.805363]  addrconf_rs_timer+0x3c0/0x6f0
[  301.809222] (M) 
[  301.811630]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  301.815834] = 25172kB
[  301.815843] Node 0 
[  301.817828]  call_timer_fn+0x272/0x920
[  301.822027] Normal: 
[  301.824435]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  301.826658] 979*4kB 
[  301.830535]  ? process_timeout+0x40/0x40
[  301.832836] (ME) 
[  301.837344]  ? find_held_lock+0x36/0x1c0
[  301.839647] 483*8kB 
[  301.843708]  ? __run_timers+0x7da/0xc70
[  301.845741] (UME) 
[  301.849794]  ? _raw_spin_unlock_irq+0x27/0x80
[  301.852086] 201*16kB (ME) 
[  301.856068]  ? _raw_spin_unlock_irq+0x27/0x80
[  301.858200] 59*32kB 
[  301.862687]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  301.865508] (UME) 
[  301.869997]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  301.872299] 15*64kB 
[  301.876537]  ? trace_hardirqs_on+0xbd/0x310
[  301.878663] (UM) 
[  301.883242]  ? kasan_check_read+0x11/0x20
[  301.885551] 0*128kB 
[  301.889884]  ? __run_timers+0x7da/0xc70
[  301.891926] 0*256kB 
[  301.896069]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  301.898370] 0*512kB 
[  301.902341]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  301.904640] 0*1024kB 
[  301.910113]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  301.912452] 0*2048kB 
[  301.916680]  __run_timers+0x7e5/0xc70
[  301.919068] 0*4096kB 
[  301.923308]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  301.925688] = 13844kB
[  301.929520]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  301.931908] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  301.937265]  ? rcu_bh_qs+0xc0/0xc0
[  301.939655] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  301.944926]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.953730] 1697 total pagecache pages
[  301.957277]  ? check_preemption_disabled+0x48/0x200
[  301.965833] 0 pages in swap cache
[  301.971363]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  301.975227] Swap cache stats: add 0, delete 0, find 0/0
[  301.980246]  ? retint_kernel+0x2d/0x2d
[  301.983677] Free swap  = 0kB
[  301.988424]  ? trace_hardirqs_on_caller+0xc0/0x300
[  301.988442]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  301.993794] Total swap = 0kB
[  301.997674]  ? trace_hardirqs_off_caller+0x300/0x300
[  302.000672] 1965979 pages RAM
[  302.005605]  ? check_preemption_disabled+0x48/0x200
[  302.010322] 0 pages HighMem/MovableOnly
[  302.010332] 342744 pages reserved
[  302.013346]  ? graph_lock+0x170/0x170
[  302.018428] 0 pages cma reserved
[  302.021529]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.026604] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  302.030485]  ? check_preemption_disabled+0x48/0x200
[  302.030509]  ? __lock_is_held+0xb5/0x140
[  302.030526]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.034026] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  302.037753]  ? check_preemption_disabled+0x48/0x200
[  302.041096] ksoftirqd/0 cpuset=
[  302.046645]  run_timer_softirq+0x52/0xb0
[  302.053108] /
[  302.058129]  ? rcu_read_lock_sched_held+0x108/0x120
[  302.062169]  mems_allowed=0
[  302.067699]  __do_softirq+0x30b/0xad8
[  302.103717]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  302.108827]  ? pvclock_read_flags+0x160/0x160
[  302.113349]  ? lapic_next_event+0x5a/0x90
[  302.117511]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.123059]  ? check_preemption_disabled+0x48/0x200
[  302.128070]  ? check_preemption_disabled+0x48/0x200
[  302.133090]  ? kvm_clock_read+0x18/0x30
[  302.137061]  ? kvm_sched_clock_read+0x9/0x20
[  302.141473]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.147027]  ? check_preemption_disabled+0x48/0x200
[  302.152058]  irq_exit+0x17f/0x1c0
[  302.155516]  smp_apic_timer_interrupt+0x1cb/0x760
[  302.160361]  ? smp_reschedule_interrupt+0x109/0x650
[  302.165384]  ? smp_call_function_single_interrupt+0x650/0x650
[  302.171272]  ? interrupt_entry+0xb5/0xf0
[  302.175338]  ? trace_hardirqs_off_caller+0xbb/0x300
[  302.180368]  ? trace_hardirqs_off_caller+0xbb/0x300
[  302.185385]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  302.190230]  ? trace_hardirqs_off+0x300/0x300
[  302.194728]  ? trace_hardirqs_off+0x300/0x300
[  302.199228]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.204768]  ? check_preemption_disabled+0x48/0x200
[  302.209783]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.215333]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  302.220184]  apic_timer_interrupt+0xf/0x20
[  302.224431]  </IRQ>
[  302.226675] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  302.231611] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 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 9a 42
[  302.250514] RSP: 0018:ffff88019cfa7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  302.258228] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  302.265495] RDX: 0000000000000000 RSI: ffff88019d338900 RDI: 0000000000000282
[  302.272763] RBP: ffff88019cfa77b0 R08: ffff88019d338080 R09: 0000000000000000
[  302.280029] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  302.287295] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  302.294615]  skb_clone+0x1bb/0x500
[  302.298159]  ? finish_task_switch+0x2f5/0x900
[  302.302656]  ? skb_split+0x11e0/0x11e0
[  302.306546]  ? preempt_notifier_register+0x200/0x200
[  302.311649]  ? __switch_to_asm+0x34/0x70
[  302.315711]  ? __switch_to_asm+0x34/0x70
[  302.319771]  ? __switch_to_asm+0x40/0x70
[  302.323832]  ? __switch_to_asm+0x34/0x70
[  302.327900]  ? __switch_to_asm+0x40/0x70
[  302.331966]  ? __switch_to_asm+0x34/0x70
[  302.336023]  ? __switch_to_asm+0x40/0x70
[  302.340085]  ? __switch_to_asm+0x34/0x70
[  302.344179]  ? __switch_to_asm+0x34/0x70
[  302.348241]  ? __switch_to_asm+0x40/0x70
[  302.352301]  ? __switch_to_asm+0x34/0x70
[  302.356375]  bpf_clone_redirect+0xb9/0x490
[  302.360616]  ? __schedule+0x874/0x1ed0
[  302.364510]  bpf_prog_bebbfe2050753572+0x482/0x1000
[  302.369530]  ? __sched_text_start+0x8/0x8
[  302.373691]  ? find_held_lock+0x36/0x1c0
[  302.377758]  ? lock_acquire+0x1ed/0x520
[  302.381742]  ? bpf_test_run+0x32e/0x5a0
[  302.385717]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.391259]  ? check_preemption_disabled+0x48/0x200
[  302.396284]  ? kasan_check_read+0x11/0x20
[  302.400436]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  302.405717]  ? rcu_bh_qs+0xc0/0xc0
[  302.409260]  ? preempt_schedule+0x4d/0x60
[  302.413405]  ? ___preempt_schedule+0x16/0x18
[  302.417823]  ? bpf_test_run+0x1c0/0x5a0
[  302.421823]  ? netlink_diag_dump+0x2a0/0x2a0
[  302.426233]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  302.431768]  ? bpf_test_init.isra.9+0x70/0x100
[  302.436381]  ? bpf_prog_test_run_skb+0x634/0xb40
[  302.441144]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  302.445985]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  302.451520]  ? fput+0x130/0x1a0
[  302.454804]  ? __bpf_prog_get+0x9b/0x290
[  302.458871]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  302.463710]  ? bpf_prog_test_run+0x130/0x1a0
[  302.468131]  ? __x64_sys_bpf+0x3d8/0x510
[  302.472194]  ? bpf_prog_get+0x20/0x20
[  302.476009]  ? ksys_ioctl+0x81/0xd0
[  302.479661]  ? do_syscall_64+0x1b9/0x820
[  302.483738]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  302.489131]  ? syscall_return_slowpath+0x5e0/0x5e0
[  302.494063]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  302.498942]  ? trace_hardirqs_off+0x300/0x300
[  302.503443]  ? prepare_exit_to_usermode+0x291/0x3b0
[  302.508465]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  302.513327]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  302.518709] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
[  302.518803] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  302.525470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  302.525480] Call Trace:
[  302.532066] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  302.541315]  dump_stack+0x1c4/0x2b4
[  302.543879] syz-executor1 cpuset=
[  302.554358]  ? dump_stack_print_info.cold.2+0x52/0x52
[  302.557962] syz1
[  302.561431]  warn_alloc.cold.118+0xb7/0x1bd
[  302.566589]  mems_allowed=0
[  302.568559]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  302.580603]  ? lock_downgrade+0x900/0x900
[  302.584771]  ? trace_hardirqs_off+0xb8/0x300
[  302.589186]  ? trace_hardirqs_off+0xb8/0x300
[  302.593599]  __alloc_pages_slowpath+0x2667/0x2d80
[  302.598475]  ? warn_alloc+0x120/0x120
[  302.602279]  ? warn_alloc+0x120/0x120
[  302.606081]  ? print_usage_bug+0xc0/0xc0
[  302.610141]  ? warn_alloc+0x120/0x120
[  302.613971]  ? print_usage_bug+0xc0/0xc0
[  302.618040]  ? __lock_acquire+0x7ec/0x4ec0
[  302.622274]  ? __lock_acquire+0x7ec/0x4ec0
[  302.626514]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  302.632058]  ? should_fail+0x22d/0xd01
[  302.635954]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  302.641054]  ? __lock_acquire+0x7ec/0x4ec0
[  302.645291]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  302.650398]  ? __lock_acquire+0x7ec/0x4ec0
[  302.654634]  ? should_fail+0x22d/0xd01
[  302.658530]  ? mark_held_locks+0x130/0x130
[  302.662770]  ? mark_held_locks+0x130/0x130
[  302.667001]  ? graph_lock+0x170/0x170
[  302.670800]  ? graph_lock+0x170/0x170
[  302.674603]  ? graph_lock+0x170/0x170
[  302.678422]  ? print_usage_bug+0xc0/0xc0
[  302.682486]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.688023]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.693566]  ? check_preemption_disabled+0x48/0x200
[  302.698581]  ? check_preemption_disabled+0x48/0x200
[  302.703609]  ? __lock_is_held+0xb5/0x140
[  302.707683]  __alloc_pages_nodemask+0xa80/0xde0
[  302.712354]  ? graph_lock+0x170/0x170
[  302.716164]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  302.721186]  ? graph_lock+0x170/0x170
[  302.725009]  ? find_held_lock+0x36/0x1c0
[  302.729080]  ? ____cache_alloc_node+0x1c7/0x1e0
[  302.733777]  ? lock_downgrade+0x900/0x900
[  302.737929]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.743477]  cache_grow_begin+0x91/0x8c0
[  302.747550]  ? do_raw_spin_unlock+0xa7/0x2f0
[  302.751965]  fallback_alloc+0x203/0x2e0
[  302.755951]  ____cache_alloc_node+0x1c7/0x1e0
[  302.760453]  kmem_cache_alloc_node+0xe3/0x730
[  302.764960]  ? ipv6_get_ifaddr+0x42e/0x620
[  302.769203]  __alloc_skb+0x119/0x770
[  302.772918]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  302.778202]  ? skb_scrub_packet+0x490/0x490
[  302.782535]  ? lock_downgrade+0x900/0x900
[  302.786705]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.792254]  ? refcount_sub_and_test_checked+0x203/0x310
[  302.797707]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  302.803159]  ? addrconf_rs_timer+0x6f0/0x6f0
[  302.807582]  ndisc_alloc_skb+0x144/0x340
[  302.811647]  ndisc_send_rs+0x331/0x6e0
[  302.815541]  addrconf_rs_timer+0x3c0/0x6f0
[  302.819785]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  302.824034]  call_timer_fn+0x272/0x920
[  302.827920]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  302.832171]  ? process_timeout+0x40/0x40
[  302.836226]  ? find_held_lock+0x36/0x1c0
[  302.840293]  ? __run_timers+0x7da/0xc70
[  302.844268]  ? _raw_spin_unlock_irq+0x27/0x80
[  302.848762]  ? _raw_spin_unlock_irq+0x27/0x80
[  302.853345]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  302.857578]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  302.862162]  ? trace_hardirqs_on+0xbd/0x310
[  302.866488]  ? kasan_check_read+0x11/0x20
[  302.870640]  ? __run_timers+0x7da/0xc70
[  302.874629]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  302.880081]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  302.884329]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  302.888590]  __run_timers+0x7e5/0xc70
[  302.892408]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  302.897777]  ? compat_start_thread+0x80/0x80
[  302.902189]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.907777]  ? kasan_check_write+0x14/0x20
[  302.912018]  ? finish_task_switch+0x2f5/0x900
[  302.916525]  ? __switch_to_asm+0x40/0x70
[  302.920587]  ? preempt_notifier_register+0x200/0x200
[  302.925692]  ? __switch_to_asm+0x34/0x70
[  302.929749]  ? __switch_to_asm+0x40/0x70
[  302.933809]  ? __switch_to_asm+0x34/0x70
[  302.937865]  ? __switch_to_asm+0x40/0x70
[  302.941936]  ? __switch_to_asm+0x34/0x70
[  302.945994]  ? __switch_to_asm+0x40/0x70
[  302.950073]  ? pvclock_read_flags+0x160/0x160
[  302.954593]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.960131]  ? check_preemption_disabled+0x48/0x200
[  302.965156]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  302.970465]  ? rcu_pm_notify+0xc0/0xc0
[  302.974355]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.979904]  ? check_preemption_disabled+0x48/0x200
[  302.984945]  run_timer_softirq+0x52/0xb0
[  302.989005]  ? rcu_read_lock_sched_held+0x108/0x120
[  302.994020]  __do_softirq+0x30b/0xad8
[  302.997831]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  303.002946]  ? schedule+0x108/0x460
[  303.006576]  ? __schedule+0x1ed0/0x1ed0
[  303.010555]  ? trace_hardirqs_off+0xb8/0x300
[  303.014966]  ? ___might_sleep+0x1ed/0x300
[  303.019110]  ? smpboot_thread_fn+0x68b/0xa00
[  303.023519]  ? trace_hardirqs_on+0x310/0x310
[  303.027930]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  303.033471]  ? check_preemption_disabled+0x48/0x200
[  303.038482]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.044452]  ? takeover_tasklets+0xa90/0xa90
[  303.048867]  run_ksoftirqd+0x94/0x100
[  303.052670]  smpboot_thread_fn+0x68b/0xa00
[  303.056911]  ? sort_range+0x30/0x30
[  303.060544]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  303.065650]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  303.071186]  ? __kthread_parkme+0xfb/0x1a0
[  303.075433]  kthread+0x35a/0x420
[  303.078801]  ? sort_range+0x30/0x30
[  303.082446]  ? kthread_bind+0x40/0x40
[  303.086245]  ret_from_fork+0x3a/0x50
[  303.089979] CPU: 1 PID: 10110 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
[  303.089985] warn_alloc_show_mem: 1 callbacks suppressed
[  303.089992] Mem-Info:
[  303.097265] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  303.102635] active_anon:39159 inactive_anon:1633 isolated_anon:0
[  303.102635]  active_file:15 inactive_file:16 isolated_file:0
[  303.102635]  unevictable:0 dirty:0 writeback:0 unstable:0
[  303.102635]  slab_reclaimable:8773 slab_unreclaimable:1470459
[  303.102635]  mapped:49330 shmem:1666 pagetables:630 bounce:0
[  303.102635]  free:13723 free_pcp:275 free_cma:0
[  303.105009] Call Trace:
[  303.114406] Node 0 active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197320kB dirty:0kB writeback:0kB shmem:6664kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  303.147425]  <IRQ>
[  303.149995] Node 0 
[  303.178200]  dump_stack+0x1c4/0x2b4
[  303.180353] 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
[  303.182564]  ? dump_stack_print_info.cold.2+0x52/0x52
[  303.186159] lowmem_reserve[]: 0
[  303.211685]  warn_alloc.cold.118+0xb7/0x1bd
[  303.216853]  2817
[  303.220161]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  303.224476]  6321
[  303.226561]  ? lock_downgrade+0x900/0x900
[  303.231379]  6321
[  303.233448]  ? trace_hardirqs_off+0xb8/0x300
[  303.237568] Node 0 
[  303.239642]  ? trace_hardirqs_off+0xb8/0x300
[  303.244050] DMA32 free:25172kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  303.246260]  __alloc_pages_slowpath+0x2667/0x2d80
[  303.250633] lowmem_reserve[]: 0
[  303.277376]  ? warn_alloc+0x120/0x120
[  303.282164]  0 3503
[  303.285446]  ? trace_hardirqs_on+0x310/0x310
[  303.289220]  3503
[  303.291447]  ? warn_alloc+0x120/0x120
[  303.297890]  ? print_usage_bug+0xc0/0xc0
[  303.301665] Node 0 
[  303.305715]  ? warn_alloc+0x120/0x120
[  303.305745] Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5408kB pagetables:2520kB bounce:0kB free_pcp:852kB local_pcp:604kB free_cma:0kB
[  303.305752] lowmem_reserve[]:
[  303.307982]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  303.311759]  0
[  303.340121]  ? print_usage_bug+0xc0/0xc0
[  303.343195]  0 0
[  303.348237]  ? __lock_acquire+0x7ec/0x4ec0
[  303.350007]  0
[  303.354065]  ? __lock_acquire+0x7ec/0x4ec0
[  303.356017] Node 0 
[  303.360244]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  303.362019] DMA: 1*4kB 
[  303.366256]  ? should_fail+0x22d/0xd01
[  303.368477] (U) 
[  303.374014]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  303.376572] 0*8kB 
[  303.380449]  ? __lock_acquire+0x7ec/0x4ec0
[  303.382418] 0*16kB 
[  303.387615]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  303.389738] 1*32kB (U) 
[  303.393980]  ? __lock_acquire+0x7ec/0x4ec0
[  303.396196] 2*64kB 
[  303.401307]  ? should_fail+0x22d/0xd01
[  303.403868] (U) 
[  303.408094]  ? print_usage_bug+0xc0/0xc0
[  303.410301] 1*128kB (U) 
[  303.414194]  ? mark_held_locks+0x130/0x130
[  303.416142] 1*256kB 
[  303.420195]  ? mark_held_locks+0x130/0x130
[  303.422856] (U) 
[  303.427087]  ? graph_lock+0x170/0x170
[  303.429384] 0*512kB 
[  303.433626]  ? print_usage_bug+0xc0/0xc0
[  303.435576] 1*1024kB (U) 
[  303.439392]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  303.441682] 1*2048kB 
[  303.445741]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.448466] (M) 3*4096kB 
[  303.453234]  ? check_preemption_disabled+0x48/0x200
[  303.455612] (M) = 15908kB
[  303.461155]  ? check_preemption_disabled+0x48/0x200
[  303.463889] Node 0 
[  303.468917]  ? __lock_is_held+0xb5/0x140
[  303.471635] DMA32: 3*4kB 
[  303.476665]  __alloc_pages_nodemask+0xa80/0xde0
[  303.478878] (UM) 
[  303.482933]  ? graph_lock+0x170/0x170
[  303.485679] 1*8kB (U) 4*16kB 
[  303.490359]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  303.492399] (UM) 
[  303.496204]  ? graph_lock+0x170/0x170
[  303.499280] 2*32kB (UM) 
[  303.504309]  ? find_held_lock+0x36/0x1c0
[  303.506342] 3*64kB (UM) 
[  303.510151]  ? ____cache_alloc_node+0x1c7/0x1e0
[  303.512790] 4*128kB (UM) 
[  303.516968]  ? lock_downgrade+0x900/0x900
[  303.519623] 3*256kB 
[  303.524319]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.527065] (UM) 
[  303.531216]  cache_grow_begin+0x91/0x8c0
[  303.533516] 4*512kB 
[  303.539046]  ? do_raw_spin_unlock+0xa7/0x2f0
[  303.541084] (UM) 
[  303.545257]  fallback_alloc+0x203/0x2e0
[  303.547557] 3*1024kB (M) 
[  303.551972]  ____cache_alloc_node+0x1c7/0x1e0
[  303.554017] 3*2048kB 
[  303.558013]  kmem_cache_alloc_node+0xe3/0x730
[  303.560740] (UM) 3*4096kB 
[  303.565248]  ? ipv6_get_ifaddr+0x42e/0x620
[  303.567635] (M) 
[  303.572130]  __alloc_skb+0x119/0x770
[  303.574940] = 25172kB
[  303.574949] Node 0 
[  303.579184]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  303.581141] Normal: 979*4kB 
[  303.584869]  ? skb_scrub_packet+0x490/0x490
[  303.587256] (ME) 
[  303.589485]  ? lock_downgrade+0x900/0x900
[  303.594731] 483*8kB (UME) 
[  303.597778]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.602062] 201*16kB (ME) 
[  303.604133]  ? refcount_sub_and_test_checked+0x203/0x310
[  303.608276] 59*32kB (UME) 
[  303.611129]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  303.616635] 15*64kB (UM) 
[  303.619504]  ? addrconf_rs_timer+0x6f0/0x6f0
[  303.624929] 0*128kB 
[  303.627780]  ndisc_alloc_skb+0x144/0x340
[  303.633198] 0*256kB 
[  303.635951]  ndisc_send_rs+0x331/0x6e0
[  303.640331] 0*512kB 
[  303.642676]  addrconf_rs_timer+0x3c0/0x6f0
[  303.646722] 0*1024kB 
[  303.649041]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  303.652898] 0*2048kB 0*4096kB 
[  303.655251]  call_timer_fn+0x272/0x920
[  303.659445] = 13844kB
[  303.659460] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  303.661864]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  303.666091] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  303.669270]  ? process_timeout+0x40/0x40
[  303.673131] 1697 total pagecache pages
[  303.675538]  ? find_held_lock+0x36/0x1c0
[  303.684356] 0 pages in swap cache
[  303.688586]  ? __run_timers+0x7da/0xc70
[  303.697147] Swap cache stats: add 0, delete 0, find 0/0
[  303.701197]  ? _raw_spin_unlock_irq+0x27/0x80
[  303.705060] Free swap  = 0kB
[  303.709117]  ? _raw_spin_unlock_irq+0x27/0x80
[  303.712552] Total swap = 0kB
[  303.716520]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  303.721862] 1965979 pages RAM
[  303.726364]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  303.729364] 0 pages HighMem/MovableOnly
[  303.733858]  ? trace_hardirqs_on+0xbd/0x310
[  303.736846] 342744 pages reserved
[  303.736855] 0 pages cma reserved
[  303.741111]  ? kasan_check_read+0x11/0x20
[  303.744276] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  303.748795]  ? __run_timers+0x7da/0xc70
[  303.748810]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  303.748830]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  303.752855] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  303.757107]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  303.760540] ksoftirqd/0 cpuset=
[  303.763919]  __run_timers+0x7e5/0xc70
[  303.768037] /
[  303.774538]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  303.778482]  mems_allowed=0
[  303.783947]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  303.824973]  ? rcu_bh_qs+0xc0/0xc0
[  303.828513]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.834053]  ? check_preemption_disabled+0x48/0x200
[  303.839085]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  303.843849]  ? retint_kernel+0x2d/0x2d
[  303.847738]  ? trace_hardirqs_on_caller+0xc0/0x300
[  303.852672]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  303.857438]  ? trace_hardirqs_off_caller+0x300/0x300
[  303.862550]  ? check_preemption_disabled+0x48/0x200
[  303.867597]  ? graph_lock+0x170/0x170
[  303.871433]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.876973]  ? check_preemption_disabled+0x48/0x200
[  303.882002]  ? __lock_is_held+0xb5/0x140
[  303.886234]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.891788]  ? check_preemption_disabled+0x48/0x200
[  303.896813]  run_timer_softirq+0x52/0xb0
[  303.900925]  ? rcu_read_lock_sched_held+0x108/0x120
[  303.905965]  __do_softirq+0x30b/0xad8
[  303.909780]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  303.914901]  ? pvclock_read_flags+0x160/0x160
[  303.919416]  ? lapic_next_event+0x5a/0x90
[  303.923571]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.929108]  ? check_preemption_disabled+0x48/0x200
[  303.934135]  ? check_preemption_disabled+0x48/0x200
[  303.939170]  ? kvm_clock_read+0x18/0x30
[  303.943144]  ? kvm_sched_clock_read+0x9/0x20
[  303.947554]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.953093]  ? check_preemption_disabled+0x48/0x200
[  303.958126]  irq_exit+0x17f/0x1c0
[  303.961582]  smp_apic_timer_interrupt+0x1cb/0x760
[  303.966430]  ? smp_reschedule_interrupt+0x109/0x650
[  303.971460]  ? smp_call_function_single_interrupt+0x650/0x650
[  303.977344]  ? interrupt_entry+0xb5/0xf0
[  303.981413]  ? trace_hardirqs_off_caller+0xbb/0x300
[  303.986431]  ? trace_hardirqs_off_caller+0xbb/0x300
[  303.991451]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  303.996291]  ? trace_hardirqs_off+0x300/0x300
[  304.000780]  ? trace_hardirqs_off+0x300/0x300
[  304.005278]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.010819]  ? check_preemption_disabled+0x48/0x200
[  304.015834]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.021392]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  304.026243]  apic_timer_interrupt+0xf/0x20
[  304.030476]  </IRQ>
[  304.032746] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  304.037677] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 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 9a 42
[  304.056705] RSP: 0018:ffff88019cfa7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  304.064420] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  304.071699] RDX: 0000000000000000 RSI: ffff88019d338900 RDI: 0000000000000282
[  304.078963] RBP: ffff88019cfa77b0 R08: ffff88019d338080 R09: 0000000000000000
[  304.086229] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  304.093495] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  304.100804]  skb_clone+0x1bb/0x500
[  304.104349]  ? finish_task_switch+0x2f5/0x900
[  304.108845]  ? skb_split+0x11e0/0x11e0
[  304.112748]  ? preempt_notifier_register+0x200/0x200
[  304.117872]  ? __switch_to_asm+0x34/0x70
[  304.121946]  ? __switch_to_asm+0x34/0x70
[  304.126016]  ? __switch_to_asm+0x40/0x70
[  304.130077]  ? __switch_to_asm+0x34/0x70
[  304.134149]  ? __switch_to_asm+0x40/0x70
[  304.138204]  ? __switch_to_asm+0x34/0x70
[  304.142261]  ? __switch_to_asm+0x40/0x70
[  304.146328]  ? __switch_to_asm+0x34/0x70
[  304.150382]  ? __switch_to_asm+0x34/0x70
[  304.154441]  ? __switch_to_asm+0x40/0x70
[  304.158500]  ? __switch_to_asm+0x34/0x70
[  304.162568]  bpf_clone_redirect+0xb9/0x490
[  304.166807]  ? __schedule+0x874/0x1ed0
[  304.170732]  bpf_prog_bebbfe2050753572+0x482/0x1000
[  304.175775]  ? __sched_text_start+0x8/0x8
[  304.179966]  ? find_held_lock+0x36/0x1c0
[  304.184033]  ? lock_acquire+0x1ed/0x520
[  304.188004]  ? bpf_test_run+0x32e/0x5a0
[  304.191995]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.197534]  ? check_preemption_disabled+0x48/0x200
[  304.202570]  ? kasan_check_read+0x11/0x20
[  304.206724]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  304.212002]  ? rcu_bh_qs+0xc0/0xc0
[  304.215543]  ? preempt_schedule+0x4d/0x60
[  304.219718]  ? ___preempt_schedule+0x16/0x18
[  304.224132]  ? bpf_test_run+0x1c0/0x5a0
[  304.228114]  ? netlink_diag_dump+0x2a0/0x2a0
[  304.232546]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.238078]  ? bpf_test_init.isra.9+0x70/0x100
[  304.242664]  ? bpf_prog_test_run_skb+0x634/0xb40
[  304.247445]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  304.252296]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  304.257846]  ? fput+0x130/0x1a0
[  304.261128]  ? __bpf_prog_get+0x9b/0x290
[  304.265192]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  304.270030]  ? bpf_prog_test_run+0x130/0x1a0
[  304.274444]  ? __x64_sys_bpf+0x3d8/0x510
[  304.278509]  ? bpf_prog_get+0x20/0x20
[  304.282319]  ? ksys_ioctl+0x81/0xd0
[  304.285963]  ? do_syscall_64+0x1b9/0x820
[  304.290020]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  304.295385]  ? syscall_return_slowpath+0x5e0/0x5e0
[  304.300311]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  304.305151]  ? trace_hardirqs_off+0x300/0x300
[  304.309647]  ? prepare_exit_to_usermode+0x291/0x3b0
[  304.314682]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  304.319556]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  304.324951] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
[  304.325052] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  304.331719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  304.331725] Call Trace:
[  304.331742]  dump_stack+0x1c4/0x2b4
[  304.331758]  ? dump_stack_print_info.cold.2+0x52/0x52
[  304.331783]  warn_alloc.cold.118+0xb7/0x1bd
[  304.338346] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  304.347604]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  304.350165] syz-executor1 cpuset=
[  304.353785]  ? lock_downgrade+0x900/0x900
[  304.358959] syz1
[  304.363301]  ? trace_hardirqs_off+0xb8/0x300
[  304.373760]  mems_allowed=0
[  304.378615]  ? trace_hardirqs_off+0xb8/0x300
[  304.399858]  __alloc_pages_slowpath+0x2667/0x2d80
[  304.404742]  ? warn_alloc+0x120/0x120
[  304.408545]  ? warn_alloc+0x120/0x120
[  304.412344]  ? print_usage_bug+0xc0/0xc0
[  304.416407]  ? warn_alloc+0x120/0x120
[  304.420216]  ? print_usage_bug+0xc0/0xc0
[  304.424273]  ? __lock_acquire+0x7ec/0x4ec0
[  304.428501]  ? __lock_acquire+0x7ec/0x4ec0
[  304.432738]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.438278]  ? should_fail+0x22d/0xd01
[  304.442165]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  304.447262]  ? __lock_acquire+0x7ec/0x4ec0
[  304.451502]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  304.456601]  ? __lock_acquire+0x7ec/0x4ec0
[  304.460831]  ? should_fail+0x22d/0xd01
[  304.464738]  ? mark_held_locks+0x130/0x130
[  304.468990]  ? mark_held_locks+0x130/0x130
[  304.473223]  ? graph_lock+0x170/0x170
[  304.477023]  ? graph_lock+0x170/0x170
[  304.480822]  ? graph_lock+0x170/0x170
[  304.484620]  ? print_usage_bug+0xc0/0xc0
[  304.488677]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.494216]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.499770]  ? check_preemption_disabled+0x48/0x200
[  304.504784]  ? check_preemption_disabled+0x48/0x200
[  304.509810]  ? __lock_is_held+0xb5/0x140
[  304.513875]  __alloc_pages_nodemask+0xa80/0xde0
[  304.518541]  ? graph_lock+0x170/0x170
[  304.522353]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  304.527371]  ? graph_lock+0x170/0x170
[  304.531190]  ? find_held_lock+0x36/0x1c0
[  304.535259]  ? ____cache_alloc_node+0x1c7/0x1e0
[  304.539931]  ? lock_downgrade+0x900/0x900
[  304.544086]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.549625]  cache_grow_begin+0x91/0x8c0
[  304.553689]  ? do_raw_spin_unlock+0xa7/0x2f0
[  304.558108]  fallback_alloc+0x203/0x2e0
[  304.562087]  ____cache_alloc_node+0x1c7/0x1e0
[  304.566599]  kmem_cache_alloc_node+0xe3/0x730
[  304.571097]  ? ipv6_get_ifaddr+0x42e/0x620
[  304.575343]  __alloc_skb+0x119/0x770
[  304.579056]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  304.584339]  ? skb_scrub_packet+0x490/0x490
[  304.588662]  ? lock_downgrade+0x900/0x900
[  304.592816]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.598350]  ? refcount_sub_and_test_checked+0x203/0x310
[  304.603806]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  304.609261]  ? addrconf_rs_timer+0x6f0/0x6f0
[  304.613682]  ndisc_alloc_skb+0x144/0x340
[  304.617753]  ndisc_send_rs+0x331/0x6e0
[  304.621645]  addrconf_rs_timer+0x3c0/0x6f0
[  304.625887]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  304.630151]  call_timer_fn+0x272/0x920
[  304.634041]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  304.638304]  ? process_timeout+0x40/0x40
[  304.642391]  ? find_held_lock+0x36/0x1c0
[  304.646464]  ? __run_timers+0x7da/0xc70
[  304.650456]  ? _raw_spin_unlock_irq+0x27/0x80
[  304.654950]  ? _raw_spin_unlock_irq+0x27/0x80
[  304.659443]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  304.663676]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  304.668264]  ? trace_hardirqs_on+0xbd/0x310
[  304.672587]  ? kasan_check_read+0x11/0x20
[  304.676739]  ? __run_timers+0x7da/0xc70
[  304.680719]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  304.686172]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  304.690422]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  304.694669]  __run_timers+0x7e5/0xc70
[  304.698495]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  304.703855]  ? compat_start_thread+0x80/0x80
[  304.708263]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.713809]  ? kasan_check_write+0x14/0x20
[  304.718059]  ? finish_task_switch+0x2f5/0x900
[  304.722562]  ? __switch_to_asm+0x40/0x70
[  304.726642]  ? preempt_notifier_register+0x200/0x200
[  304.731743]  ? __switch_to_asm+0x34/0x70
[  304.735799]  ? __switch_to_asm+0x40/0x70
[  304.739858]  ? __switch_to_asm+0x34/0x70
[  304.743913]  ? __switch_to_asm+0x40/0x70
[  304.747987]  ? __switch_to_asm+0x34/0x70
[  304.752040]  ? __switch_to_asm+0x40/0x70
[  304.756108]  ? pvclock_read_flags+0x160/0x160
[  304.760607]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.766148]  ? check_preemption_disabled+0x48/0x200
[  304.771181]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  304.776469]  ? rcu_pm_notify+0xc0/0xc0
[  304.780367]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.785913]  ? check_preemption_disabled+0x48/0x200
[  304.790943]  run_timer_softirq+0x52/0xb0
[  304.795006]  ? rcu_read_lock_sched_held+0x108/0x120
[  304.800023]  __do_softirq+0x30b/0xad8
[  304.803832]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  304.808965]  ? schedule+0x108/0x460
[  304.812605]  ? __schedule+0x1ed0/0x1ed0
[  304.816588]  ? trace_hardirqs_off+0xb8/0x300
[  304.821011]  ? ___might_sleep+0x1ed/0x300
[  304.825158]  ? smpboot_thread_fn+0x68b/0xa00
[  304.829568]  ? trace_hardirqs_on+0x310/0x310
[  304.833975]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.839510]  ? check_preemption_disabled+0x48/0x200
[  304.844523]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.850063]  ? takeover_tasklets+0xa90/0xa90
[  304.854477]  run_ksoftirqd+0x94/0x100
[  304.858277]  smpboot_thread_fn+0x68b/0xa00
[  304.862512]  ? sort_range+0x30/0x30
[  304.866137]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  304.871238]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.876774]  ? __kthread_parkme+0xfb/0x1a0
[  304.881012]  kthread+0x35a/0x420
[  304.884376]  ? sort_range+0x30/0x30
[  304.888016]  ? kthread_bind+0x40/0x40
[  304.891817]  ret_from_fork+0x3a/0x50
[  304.895555] CPU: 1 PID: 10110 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
[  304.895560] warn_alloc_show_mem: 1 callbacks suppressed
[  304.895568] Mem-Info:
[  304.902845] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  304.908212] active_anon:39159 inactive_anon:1633 isolated_anon:0
[  304.908212]  active_file:15 inactive_file:16 isolated_file:0
[  304.908212]  unevictable:0 dirty:0 writeback:0 unstable:0
[  304.908212]  slab_reclaimable:8773 slab_unreclaimable:1470459
[  304.908212]  mapped:49330 shmem:1666 pagetables:630 bounce:0
[  304.908212]  free:13723 free_pcp:275 free_cma:0
[  304.910587] Call Trace:
[  304.919975] Node 0 active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197320kB dirty:0kB writeback:0kB shmem:6664kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  304.952989]  <IRQ>
[  304.955559] Node 0 
[  304.983337]  dump_stack+0x1c4/0x2b4
[  304.985493] 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
[  304.987702]  ? dump_stack_print_info.cold.2+0x52/0x52
[  304.991309] lowmem_reserve[]:
[  305.017022]  warn_alloc.cold.118+0xb7/0x1bd
[  305.022186]  0
[  305.025288]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  305.029585]  2817
[  305.031390]  ? lock_downgrade+0x900/0x900
[  305.036211]  6321
[  305.038277]  ? trace_hardirqs_off+0xb8/0x300
[  305.042391]  6321
[  305.044867]  ? trace_hardirqs_off+0xb8/0x300
[  305.049253] Node 0 
[  305.051313]  __alloc_pages_slowpath+0x2667/0x2d80
[  305.055717] DMA32 free:25172kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  305.057954]  ? warn_alloc+0x120/0x120
[  305.062734] lowmem_reserve[]: 0
[  305.089459]  ? trace_hardirqs_on+0x310/0x310
[  305.093237]  0
[  305.096512]  ? warn_alloc+0x120/0x120
[  305.100898]  3503
[  305.102699]  ? print_usage_bug+0xc0/0xc0
[  305.106503]  3503
[  305.108559]  ? warn_alloc+0x120/0x120
[  305.114654]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  305.118430] Node 0 
[  305.123439]  ? print_usage_bug+0xc0/0xc0
[  305.123471] Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5408kB pagetables:2520kB bounce:0kB free_pcp:852kB local_pcp:604kB free_cma:0kB
[  305.123479] lowmem_reserve[]:
[  305.125711]  ? __lock_acquire+0x7ec/0x4ec0
[  305.129743]  0 0
[  305.158607]  ? __lock_acquire+0x7ec/0x4ec0
[  305.161693]  0
[  305.165951]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  305.167894]  0
[  305.172153]  ? should_fail+0x22d/0xd01
[  305.173931] Node 0 
[  305.179475]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  305.181262] DMA: 
[  305.185143]  ? __lock_acquire+0x7ec/0x4ec0
[  305.187371] 1*4kB 
[  305.192476]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  305.194529] (U) 
[  305.198752]  ? __lock_acquire+0x7ec/0x4ec0
[  305.198770]  ? should_fail+0x22d/0xd01
[  305.200905] 0*8kB 
[  305.206001]  ? print_usage_bug+0xc0/0xc0
[  305.207954] 0*16kB 
[  305.212188]  ? mark_held_locks+0x130/0x130
[  305.216049] 1*32kB 
[  305.218189]  ? mark_held_locks+0x130/0x130
[  305.222227] (U) 
[  305.224466]  ? graph_lock+0x170/0x170
[  305.228676] 2*64kB 
[  305.230906]  ? print_usage_bug+0xc0/0xc0
[  305.235117] (U) 
[  305.237090]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  305.240857] 1*128kB (U) 
[  305.243114]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.247153] 1*256kB 
[  305.249130]  ? check_preemption_disabled+0x48/0x200
[  305.253866] (U) 
[  305.256536]  ? check_preemption_disabled+0x48/0x200
[  305.262051] 0*512kB 
[  305.264374]  ? __lock_is_held+0xb5/0x140
[  305.269363] 1*1024kB 
[  305.271365]  __alloc_pages_nodemask+0xa80/0xde0
[  305.276355] (U) 
[  305.278673]  ? graph_lock+0x170/0x170
[  305.282705] 1*2048kB (M) 
[  305.285124]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  305.289790] 3*4096kB (M) 
[  305.291772]  ? graph_lock+0x170/0x170
[  305.295551] = 15908kB
[  305.298310]  ? find_held_lock+0x36/0x1c0
[  305.303307] Node 0 
[  305.306065]  ? ____cache_alloc_node+0x1c7/0x1e0
[  305.309832] DMA32: 3*4kB 
[  305.312248]  ? lock_downgrade+0x900/0x900
[  305.316283] (UM) 
[  305.318524]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.323159] 1*8kB (U) 
[  305.325956]  cache_grow_begin+0x91/0x8c0
[  305.330078] 4*16kB (UM) 
[  305.332149]  ? do_raw_spin_unlock+0xa7/0x2f0
[  305.337655] 2*32kB (UM) 
[  305.340177]  fallback_alloc+0x203/0x2e0
[  305.344204] 3*64kB (UM) 
[  305.346888]  ____cache_alloc_node+0x1c7/0x1e0
[  305.351260] 4*128kB (UM) 
[  305.353962]  kmem_cache_alloc_node+0xe3/0x730
[  305.357918] 3*256kB (UM) 
[  305.360599]  ? ipv6_get_ifaddr+0x42e/0x620
[  305.365071] 4*512kB 
[  305.367828]  __alloc_skb+0x119/0x770
[  305.372292] (UM) 
[  305.375049]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  305.379246] 3*1024kB (M) 
[  305.381576]  ? skb_scrub_packet+0x490/0x490
[  305.385281] 3*2048kB 
[  305.387336]  ? lock_downgrade+0x900/0x900
[  305.392586] (UM) 
[  305.395344]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.399642] 3*4096kB 
[  305.402063]  ? refcount_sub_and_test_checked+0x203/0x310
[  305.406182] (M) 
[  305.408242]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  305.413752] = 25172kB
[  305.413761] Node 0 
[  305.416173]  ? addrconf_rs_timer+0x6f0/0x6f0
[  305.421601] Normal: 979*4kB 
[  305.423588]  ndisc_alloc_skb+0x144/0x340
[  305.429006] (ME) 
[  305.431419]  ndisc_send_rs+0x331/0x6e0
[  305.433640] 483*8kB 
[  305.438042]  addrconf_rs_timer+0x3c0/0x6f0
[  305.441036] (UME) 
[  305.445092]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  305.447144] 201*16kB 
[  305.451184]  call_timer_fn+0x272/0x920
[  305.453474] (ME) 
[  305.457704]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  305.459828] 59*32kB (UME) 
[  305.464066]  ? process_timeout+0x40/0x40
[  305.466463] 15*64kB (UM) 
[  305.470354]  ? find_held_lock+0x36/0x1c0
[  305.472389] 0*128kB 0*256kB 
[  305.476633]  ? __run_timers+0x7da/0xc70
[  305.479449] 0*512kB 0*1024kB 
[  305.483513]  ? _raw_spin_unlock_irq+0x27/0x80
[  305.486247] 0*2048kB 
[  305.490297]  ? _raw_spin_unlock_irq+0x27/0x80
[  305.493293] 0*4096kB 
[  305.497258]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  305.500338] = 13844kB
[  305.504822]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  305.507213] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  305.511700]  ? trace_hardirqs_on+0xbd/0x310
[  305.514093] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  305.518321]  ? kasan_check_read+0x11/0x20
[  305.520709] 1697 total pagecache pages
[  305.525282]  ? __run_timers+0x7da/0xc70
[  305.534096] 0 pages in swap cache
[  305.538429]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  305.546982] Swap cache stats: add 0, delete 0, find 0/0
[  305.551122]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  305.554984] Free swap  = 0kB
[  305.558950]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  305.562372] Total swap = 0kB
[  305.562381] 1965979 pages RAM
[  305.567849]  __run_timers+0x7e5/0xc70
[  305.573183] 0 pages HighMem/MovableOnly
[  305.573192] 342744 pages reserved
[  305.577430]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  305.580427] 0 pages cma reserved
[  305.584685]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  305.587777] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  305.590792]  ? rcu_bh_qs+0xc0/0xc0
[  305.594638] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  305.598547]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.601973] ksoftirqd/0 cpuset=
[  305.607345]  ? check_preemption_disabled+0x48/0x200
[  305.610681] /
[  305.615957]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  305.622423]  mems_allowed=0
[  305.659468]  ? retint_kernel+0x2d/0x2d
[  305.663358]  ? trace_hardirqs_on_caller+0xc0/0x300
[  305.668297]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  305.673056]  ? trace_hardirqs_off_caller+0x300/0x300
[  305.678167]  ? check_preemption_disabled+0x48/0x200
[  305.683192]  ? graph_lock+0x170/0x170
[  305.686997]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.692537]  ? check_preemption_disabled+0x48/0x200
[  305.697578]  ? __lock_is_held+0xb5/0x140
[  305.701643]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.707183]  ? check_preemption_disabled+0x48/0x200
[  305.712218]  run_timer_softirq+0x52/0xb0
[  305.716299]  ? rcu_read_lock_sched_held+0x108/0x120
[  305.721318]  __do_softirq+0x30b/0xad8
[  305.725130]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  305.730240]  ? pvclock_read_flags+0x160/0x160
[  305.734754]  ? lapic_next_event+0x5a/0x90
[  305.738904]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.744454]  ? check_preemption_disabled+0x48/0x200
[  305.749471]  ? check_preemption_disabled+0x48/0x200
[  305.754496]  ? kvm_clock_read+0x18/0x30
[  305.758478]  ? kvm_sched_clock_read+0x9/0x20
[  305.762889]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.768448]  ? check_preemption_disabled+0x48/0x200
[  305.773482]  irq_exit+0x17f/0x1c0
[  305.776944]  smp_apic_timer_interrupt+0x1cb/0x760
[  305.781801]  ? smp_reschedule_interrupt+0x109/0x650
[  305.786830]  ? smp_call_function_single_interrupt+0x650/0x650
[  305.792713]  ? interrupt_entry+0xb5/0xf0
[  305.796774]  ? trace_hardirqs_off_caller+0xbb/0x300
[  305.801800]  ? trace_hardirqs_off_caller+0xbb/0x300
[  305.806814]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  305.811661]  ? trace_hardirqs_off+0x300/0x300
[  305.816169]  ? trace_hardirqs_off+0x300/0x300
[  305.820669]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.826208]  ? check_preemption_disabled+0x48/0x200
[  305.831219]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.836768]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  305.841625]  apic_timer_interrupt+0xf/0x20
[  305.845868]  </IRQ>
[  305.848110] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  305.853041] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 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 9a 42
[  305.871937] RSP: 0018:ffff88019cfa7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  305.879664] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  305.886946] RDX: 0000000000000000 RSI: ffff88019d338900 RDI: 0000000000000282
[  305.894215] RBP: ffff88019cfa77b0 R08: ffff88019d338080 R09: 0000000000000000
[  305.901478] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  305.908745] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  305.916070]  skb_clone+0x1bb/0x500
[  305.919767]  ? finish_task_switch+0x2f5/0x900
[  305.924268]  ? skb_split+0x11e0/0x11e0
[  305.928214]  ? preempt_notifier_register+0x200/0x200
[  305.933320]  ? __switch_to_asm+0x34/0x70
[  305.937381]  ? __switch_to_asm+0x34/0x70
[  305.941452]  ? __switch_to_asm+0x40/0x70
[  305.945509]  ? __switch_to_asm+0x34/0x70
[  305.949571]  ? __switch_to_asm+0x40/0x70
[  305.953637]  ? __switch_to_asm+0x34/0x70
[  305.957695]  ? __switch_to_asm+0x40/0x70
[  305.961766]  ? __switch_to_asm+0x34/0x70
[  305.965866]  ? __switch_to_asm+0x34/0x70
[  305.969940]  ? __switch_to_asm+0x40/0x70
[  305.973994]  ? __switch_to_asm+0x34/0x70
[  305.978061]  bpf_clone_redirect+0xb9/0x490
[  305.982300]  ? __schedule+0x874/0x1ed0
[  305.986229]  bpf_prog_bebbfe2050753572+0x482/0x1000
[  305.991264]  ? __sched_text_start+0x8/0x8
[  305.995429]  ? find_held_lock+0x36/0x1c0
[  305.999505]  ? lock_acquire+0x1ed/0x520
[  306.003482]  ? bpf_test_run+0x32e/0x5a0
[  306.007463]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.013015]  ? check_preemption_disabled+0x48/0x200
[  306.018042]  ? kasan_check_read+0x11/0x20
[  306.022193]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  306.027475]  ? rcu_bh_qs+0xc0/0xc0
[  306.031021]  ? preempt_schedule+0x4d/0x60
[  306.035171]  ? ___preempt_schedule+0x16/0x18
[  306.039586]  ? bpf_test_run+0x1c0/0x5a0
[  306.043569]  ? netlink_diag_dump+0x2a0/0x2a0
[  306.047988]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  306.053524]  ? bpf_test_init.isra.9+0x70/0x100
[  306.058110]  ? bpf_prog_test_run_skb+0x634/0xb40
[  306.062881]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  306.067733]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  306.073269]  ? fput+0x130/0x1a0
[  306.076555]  ? __bpf_prog_get+0x9b/0x290
[  306.080620]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  306.085462]  ? bpf_prog_test_run+0x130/0x1a0
[  306.089879]  ? __x64_sys_bpf+0x3d8/0x510
[  306.093944]  ? bpf_prog_get+0x20/0x20
[  306.097755]  ? ksys_ioctl+0x81/0xd0
[  306.101409]  ? do_syscall_64+0x1b9/0x820
[  306.105478]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  306.110848]  ? syscall_return_slowpath+0x5e0/0x5e0
[  306.115779]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  306.120626]  ? trace_hardirqs_off+0x300/0x300
[  306.125129]  ? prepare_exit_to_usermode+0x291/0x3b0
[  306.130155]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  306.135006]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  306.140400] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
[  306.140501] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  306.147169] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  306.147175] Call Trace:
[  306.147196]  dump_stack+0x1c4/0x2b4
[  306.147211]  ? dump_stack_print_info.cold.2+0x52/0x52
[  306.147235]  warn_alloc.cold.118+0xb7/0x1bd
[  306.147257]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  306.153803] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  306.163097]  ? lock_downgrade+0x900/0x900
[  306.165658] syz-executor1 cpuset=
[  306.169285]  ? trace_hardirqs_off+0xb8/0x300
[  306.174450] syz1
[  306.178772]  ? trace_hardirqs_off+0xb8/0x300
[  306.183600]  mems_allowed=0
[  306.194082]  __alloc_pages_slowpath+0x2667/0x2d80
[  306.220179]  ? warn_alloc+0x120/0x120
[  306.223985]  ? warn_alloc+0x120/0x120
[  306.227793]  ? print_usage_bug+0xc0/0xc0
[  306.231871]  ? warn_alloc+0x120/0x120
[  306.235678]  ? print_usage_bug+0xc0/0xc0
[  306.239745]  ? __lock_acquire+0x7ec/0x4ec0
[  306.243980]  ? __lock_acquire+0x7ec/0x4ec0
[  306.248218]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  306.253760]  ? should_fail+0x22d/0xd01
[  306.257664]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  306.262767]  ? __lock_acquire+0x7ec/0x4ec0
[  306.267019]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  306.272125]  ? __lock_acquire+0x7ec/0x4ec0
[  306.276363]  ? should_fail+0x22d/0xd01
[  306.280267]  ? mark_held_locks+0x130/0x130
[  306.284512]  ? mark_held_locks+0x130/0x130
[  306.288750]  ? graph_lock+0x170/0x170
[  306.292549]  ? graph_lock+0x170/0x170
[  306.296364]  ? graph_lock+0x170/0x170
[  306.300169]  ? print_usage_bug+0xc0/0xc0
[  306.304228]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.309762]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.315313]  ? check_preemption_disabled+0x48/0x200
[  306.320332]  ? check_preemption_disabled+0x48/0x200
[  306.325359]  ? __lock_is_held+0xb5/0x140
[  306.329452]  __alloc_pages_nodemask+0xa80/0xde0
[  306.334124]  ? graph_lock+0x170/0x170
[  306.337943]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  306.342960]  ? graph_lock+0x170/0x170
[  306.346776]  ? find_held_lock+0x36/0x1c0
[  306.350846]  ? ____cache_alloc_node+0x1c7/0x1e0
[  306.355529]  ? lock_downgrade+0x900/0x900
[  306.359684]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.365240]  cache_grow_begin+0x91/0x8c0
[  306.369315]  ? do_raw_spin_unlock+0xa7/0x2f0
[  306.373733]  fallback_alloc+0x203/0x2e0
[  306.377712]  ____cache_alloc_node+0x1c7/0x1e0
[  306.382222]  kmem_cache_alloc_node+0xe3/0x730
[  306.386721]  ? ipv6_get_ifaddr+0x42e/0x620
[  306.390968]  __alloc_skb+0x119/0x770
[  306.394683]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  306.399974]  ? skb_scrub_packet+0x490/0x490
[  306.404293]  ? lock_downgrade+0x900/0x900
[  306.408450]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.413991]  ? refcount_sub_and_test_checked+0x203/0x310
[  306.419465]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  306.424920]  ? addrconf_rs_timer+0x6f0/0x6f0
[  306.429341]  ndisc_alloc_skb+0x144/0x340
[  306.433417]  ndisc_send_rs+0x331/0x6e0
[  306.437314]  addrconf_rs_timer+0x3c0/0x6f0
[  306.441552]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.445797]  call_timer_fn+0x272/0x920
[  306.449682]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.453916]  ? process_timeout+0x40/0x40
[  306.457977]  ? find_held_lock+0x36/0x1c0
[  306.462048]  ? __run_timers+0x7da/0xc70
[  306.466025]  ? _raw_spin_unlock_irq+0x27/0x80
[  306.470518]  ? _raw_spin_unlock_irq+0x27/0x80
[  306.475010]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.479242]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  306.483843]  ? trace_hardirqs_on+0xbd/0x310
[  306.488161]  ? kasan_check_read+0x11/0x20
[  306.492308]  ? __run_timers+0x7da/0xc70
[  306.496291]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  306.501751]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.505991]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.510228]  __run_timers+0x7e5/0xc70
[  306.514044]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  306.519427]  ? compat_start_thread+0x80/0x80
[  306.523844]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.529408]  ? kasan_check_write+0x14/0x20
[  306.533655]  ? finish_task_switch+0x2f5/0x900
[  306.538153]  ? __switch_to_asm+0x40/0x70
[  306.542220]  ? preempt_notifier_register+0x200/0x200
[  306.547323]  ? __switch_to_asm+0x34/0x70
[  306.551390]  ? __switch_to_asm+0x40/0x70
[  306.555459]  ? __switch_to_asm+0x34/0x70
[  306.559522]  ? __switch_to_asm+0x40/0x70
[  306.563582]  ? __switch_to_asm+0x34/0x70
[  306.567643]  ? __switch_to_asm+0x40/0x70
[  306.571709]  ? pvclock_read_flags+0x160/0x160
[  306.576203]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.581742]  ? check_preemption_disabled+0x48/0x200
[  306.586787]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  306.592083]  ? rcu_pm_notify+0xc0/0xc0
[  306.595976]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.601515]  ? check_preemption_disabled+0x48/0x200
[  306.606539]  run_timer_softirq+0x52/0xb0
[  306.610600]  ? rcu_read_lock_sched_held+0x108/0x120
[  306.615622]  __do_softirq+0x30b/0xad8
[  306.619443]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  306.624555]  ? schedule+0x108/0x460
[  306.628188]  ? __schedule+0x1ed0/0x1ed0
[  306.632172]  ? trace_hardirqs_off+0xb8/0x300
[  306.636581]  ? ___might_sleep+0x1ed/0x300
[  306.640732]  ? smpboot_thread_fn+0x68b/0xa00
[  306.645142]  ? trace_hardirqs_on+0x310/0x310
[  306.649568]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  306.655110]  ? check_preemption_disabled+0x48/0x200
[  306.660130]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.665681]  ? takeover_tasklets+0xa90/0xa90
[  306.670097]  run_ksoftirqd+0x94/0x100
[  306.673904]  smpboot_thread_fn+0x68b/0xa00
[  306.678144]  ? sort_range+0x30/0x30
[  306.681788]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  306.686905]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  306.692442]  ? __kthread_parkme+0xfb/0x1a0
[  306.696693]  kthread+0x35a/0x420
[  306.700072]  ? sort_range+0x30/0x30
[  306.703699]  ? kthread_bind+0x40/0x40
[  306.707516]  ret_from_fork+0x3a/0x50
[  306.711264] CPU: 1 PID: 10110 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
[  306.711270] warn_alloc_show_mem: 1 callbacks suppressed
[  306.711277] Mem-Info:
[  306.718553] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  306.723921] active_anon:39159 inactive_anon:1633 isolated_anon:0
[  306.723921]  active_file:15 inactive_file:16 isolated_file:0
[  306.723921]  unevictable:0 dirty:0 writeback:0 unstable:0
[  306.723921]  slab_reclaimable:8773 slab_unreclaimable:1470459
[  306.723921]  mapped:49330 shmem:1666 pagetables:630 bounce:0
[  306.723921]  free:13723 free_pcp:275 free_cma:0
[  306.726300] Call Trace:
[  306.735691] Node 0 active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197320kB dirty:0kB writeback:0kB shmem:6664kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  306.768710]  <IRQ>
[  306.771284] Node 0 
[  306.798953]  dump_stack+0x1c4/0x2b4
[  306.801099] 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
[  306.803317]  ? dump_stack_print_info.cold.2+0x52/0x52
[  306.806923] lowmem_reserve[]:
[  306.832441]  warn_alloc.cold.118+0xb7/0x1bd
[  306.837600]  0
[  306.840700]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  306.844997]  2817
[  306.846808]  ? lock_downgrade+0x900/0x900
[  306.851625]  6321
[  306.853686]  ? trace_hardirqs_off+0xb8/0x300
[  306.857804]  6321
[  306.859864]  ? trace_hardirqs_off+0xb8/0x300
[  306.864261] Node 0 
[  306.866344]  __alloc_pages_slowpath+0x2667/0x2d80
[  306.870747] DMA32 free:25172kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  306.872987]  ? warn_alloc+0x120/0x120
[  306.877782] lowmem_reserve[]:
[  306.904498]  ? warn_alloc+0x120/0x120
[  306.908274]  0
[  306.911374]  ? print_usage_bug+0xc0/0xc0
[  306.915158]  0
[  306.916957]  ? warn_alloc+0x120/0x120
[  306.920992]  3503
[  306.922787]  ? print_usage_bug+0xc0/0xc0
[  306.926561]  3503
[  306.928618]  ? __lock_acquire+0x7ec/0x4ec0
[  306.934710]  ? __lock_acquire+0x7ec/0x4ec0
[  306.938929] Node 0 
[  306.943161]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  306.943194] Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5408kB pagetables:2520kB bounce:0kB free_pcp:852kB local_pcp:604kB free_cma:0kB
[  306.943201] lowmem_reserve[]:
[  306.945430]  ? should_fail+0x22d/0xd01
[  306.945449]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  306.950961]  0
[  306.979367]  ? __lock_acquire+0x7ec/0x4ec0
[  306.982471]  0
[  306.986361]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  306.991440]  0
[  306.993237]  ? __lock_acquire+0x7ec/0x4ec0
[  306.997442]  0
[  306.999248]  ? should_fail+0x22d/0xd01
[  307.004326] Node 0 
[  307.006130]  ? mark_held_locks+0x130/0x130
[  307.010327] DMA: 1*4kB 
[  307.012133]  ? mark_held_locks+0x130/0x130
[  307.015993] (U) 
[  307.018224]  ? graph_lock+0x170/0x170
[  307.022441] 0*8kB 
[  307.025018]  ? graph_lock+0x170/0x170
[  307.029222] 0*16kB 1*32kB 
[  307.031201]  ? graph_lock+0x170/0x170
[  307.034981] (U) 
[  307.037123]  ? print_usage_bug+0xc0/0xc0
[  307.040898] 2*64kB 
[  307.043743]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.048043] (U) 1*128kB 
[  307.050029]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.054065] (U) 
[  307.056322]  ? check_preemption_disabled+0x48/0x200
[  307.061845] 1*256kB 
[  307.064514]  ? check_preemption_disabled+0x48/0x200
[  307.070023] (U) 
[  307.072002]  ? __lock_is_held+0xb5/0x140
[  307.076982] 0*512kB 1*1024kB 
[  307.079319]  __alloc_pages_nodemask+0xa80/0xde0
[  307.084309] (U) 
[  307.086276]  ? graph_lock+0x170/0x170
[  307.090314] 1*2048kB 
[  307.093420]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  307.098090] (M) 
[  307.100058]  ? graph_lock+0x170/0x170
[  307.103827] 3*4096kB (M) 
[  307.106254]  ? find_held_lock+0x36/0x1c0
[  307.111254] = 15908kB
[  307.113230]  ? ____cache_alloc_node+0x1c7/0x1e0
[  307.117000] Node 0 
[  307.119754]  ? lock_downgrade+0x900/0x900
[  307.123782] DMA32: 3*4kB 
[  307.126205]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.130869] (UM) 
[  307.133117]  cache_grow_begin+0x91/0x8c0
[  307.137232] 1*8kB (U) 
[  307.139996]  ? do_raw_spin_unlock+0xa7/0x2f0
[  307.145509] 4*16kB 
[  307.147575]  fallback_alloc+0x203/0x2e0
[  307.151786] (UM) 2*32kB (UM) 3*64kB (UM) 4*128kB (UM) 3*256kB (UM) 4*512kB (UM) 3*1024kB (M) 3*2048kB (UM) 3*4096kB (M) = 25172kB
[  307.151834] Node 0 Normal: 979*4kB (ME) 483*8kB (UME) 201*16kB (ME) 59*32kB (UME) 15*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13844kB
[  307.151892] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  307.151898] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  307.151901] 1697 total pagecache pages
[  307.151912] 0 pages in swap cache
[  307.151919] Swap cache stats: add 0, delete 0, find 0/0
[  307.151924] Free swap  = 0kB
[  307.151928] Total swap = 0kB
[  307.151934] 1965979 pages RAM
[  307.151944] 0 pages HighMem/MovableOnly
[  307.154471]  ____cache_alloc_node+0x1c7/0x1e0
[  307.158845] 342744 pages reserved
[  307.158854] 0 pages cma reserved
[  307.161089]  kmem_cache_alloc_node+0xe3/0x730
[  307.165141] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  307.176836]  ? ipv6_get_ifaddr+0x42e/0x620
[  307.176858]  __alloc_skb+0x119/0x770
[  307.176874]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  307.176890]  ? skb_scrub_packet+0x490/0x490
[  307.176918]  ? lock_downgrade+0x900/0x900
[  307.191090] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  307.199806]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.208350] ksoftirqd/0 cpuset=
[  307.212233]  ? refcount_sub_and_test_checked+0x203/0x310
[  307.215659] /
[  307.221018]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  307.224014]  mems_allowed=0
[  307.227030]  ? addrconf_rs_timer+0x6f0/0x6f0
[  307.316895]  ndisc_alloc_skb+0x144/0x340
[  307.320968]  ndisc_send_rs+0x331/0x6e0
[  307.324868]  addrconf_rs_timer+0x3c0/0x6f0
[  307.329125]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  307.333411]  call_timer_fn+0x272/0x920
[  307.337294]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  307.341531]  ? process_timeout+0x40/0x40
[  307.345590]  ? find_held_lock+0x36/0x1c0
[  307.349659]  ? __run_timers+0x7da/0xc70
[  307.353638]  ? _raw_spin_unlock_irq+0x27/0x80
[  307.358131]  ? _raw_spin_unlock_irq+0x27/0x80
[  307.362635]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  307.366873]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  307.371465]  ? trace_hardirqs_on+0xbd/0x310
[  307.375789]  ? kasan_check_read+0x11/0x20
[  307.379948]  ? __run_timers+0x7da/0xc70
[  307.383925]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  307.389382]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  307.393755]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  307.397988]  __run_timers+0x7e5/0xc70
[  307.401805]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  307.407170]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  307.412449]  ? rcu_bh_qs+0xc0/0xc0
[  307.415992]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.421531]  ? check_preemption_disabled+0x48/0x200
[  307.426559]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  307.431330]  ? retint_kernel+0x2d/0x2d
[  307.435217]  ? trace_hardirqs_on_caller+0xc0/0x300
[  307.440149]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  307.444906]  ? trace_hardirqs_off_caller+0x300/0x300
[  307.450024]  ? check_preemption_disabled+0x48/0x200
[  307.455042]  ? graph_lock+0x170/0x170
[  307.458853]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.464400]  ? check_preemption_disabled+0x48/0x200
[  307.469434]  ? __lock_is_held+0xb5/0x140
[  307.473499]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.479038]  ? check_preemption_disabled+0x48/0x200
[  307.484062]  run_timer_softirq+0x52/0xb0
[  307.488136]  ? rcu_read_lock_sched_held+0x108/0x120
[  307.493157]  __do_softirq+0x30b/0xad8
[  307.496974]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  307.502082]  ? pvclock_read_flags+0x160/0x160
[  307.506576]  ? lapic_next_event+0x5a/0x90
[  307.510724]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.516264]  ? check_preemption_disabled+0x48/0x200
[  307.521279]  ? check_preemption_disabled+0x48/0x200
[  307.526306]  ? kvm_clock_read+0x18/0x30
[  307.530296]  ? kvm_sched_clock_read+0x9/0x20
[  307.534706]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.540244]  ? check_preemption_disabled+0x48/0x200
[  307.545272]  irq_exit+0x17f/0x1c0
[  307.548736]  smp_apic_timer_interrupt+0x1cb/0x760
[  307.553582]  ? smp_reschedule_interrupt+0x109/0x650
[  307.558619]  ? smp_call_function_single_interrupt+0x650/0x650
[  307.564501]  ? interrupt_entry+0xb5/0xf0
[  307.568563]  ? trace_hardirqs_off_caller+0xbb/0x300
[  307.573577]  ? trace_hardirqs_off_caller+0xbb/0x300
[  307.578595]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  307.583441]  ? trace_hardirqs_off+0x300/0x300
[  307.587944]  ? trace_hardirqs_off+0x300/0x300
[  307.592450]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.598002]  ? check_preemption_disabled+0x48/0x200
[  307.603023]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.608575]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  307.613435]  apic_timer_interrupt+0xf/0x20
[  307.617669]  </IRQ>
[  307.619919] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  307.624850] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 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 9a 42
[  307.643763] RSP: 0018:ffff88019cfa7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  307.651485] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  307.658756] RDX: 0000000000000000 RSI: ffff88019d338900 RDI: 0000000000000282
[  307.666027] RBP: ffff88019cfa77b0 R08: ffff88019d338080 R09: 0000000000000000
[  307.673295] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  307.680565] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  307.687883]  skb_clone+0x1bb/0x500
[  307.691437]  ? finish_task_switch+0x2f5/0x900
[  307.695939]  ? skb_split+0x11e0/0x11e0
[  307.699832]  ? preempt_notifier_register+0x200/0x200
[  307.704937]  ? __switch_to_asm+0x34/0x70
[  307.709000]  ? __switch_to_asm+0x34/0x70
[  307.713060]  ? __switch_to_asm+0x40/0x70
[  307.717122]  ? __switch_to_asm+0x34/0x70
[  307.721178]  ? __switch_to_asm+0x40/0x70
[  307.725268]  ? __switch_to_asm+0x34/0x70
[  307.729328]  ? __switch_to_asm+0x40/0x70
[  307.733396]  ? __switch_to_asm+0x34/0x70
[  307.737464]  ? __switch_to_asm+0x34/0x70
[  307.741536]  ? __switch_to_asm+0x40/0x70
[  307.745611]  ? __switch_to_asm+0x34/0x70
[  307.749681]  bpf_clone_redirect+0xb9/0x490
[  307.753924]  ? __schedule+0x874/0x1ed0
[  307.757820]  bpf_prog_bebbfe2050753572+0x482/0x1000
[  307.762842]  ? __sched_text_start+0x8/0x8
[  307.767010]  ? find_held_lock+0x36/0x1c0
[  307.771082]  ? lock_acquire+0x1ed/0x520
[  307.775055]  ? bpf_test_run+0x32e/0x5a0
[  307.779036]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.784577]  ? check_preemption_disabled+0x48/0x200
[  307.789599]  ? kasan_check_read+0x11/0x20
[  307.793749]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  307.799026]  ? rcu_bh_qs+0xc0/0xc0
[  307.802569]  ? preempt_schedule+0x4d/0x60
[  307.806721]  ? ___preempt_schedule+0x16/0x18
[  307.811160]  ? bpf_test_run+0x1c0/0x5a0
[  307.815145]  ? netlink_diag_dump+0x2a0/0x2a0
[  307.819563]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  307.825102]  ? bpf_test_init.isra.9+0x70/0x100
[  307.829687]  ? bpf_prog_test_run_skb+0x634/0xb40
[  307.834451]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  307.839308]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  307.844842]  ? fput+0x130/0x1a0
[  307.848123]  ? __bpf_prog_get+0x9b/0x290
[  307.852186]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  307.857025]  ? bpf_prog_test_run+0x130/0x1a0
[  307.861459]  ? __x64_sys_bpf+0x3d8/0x510
[  307.865531]  ? bpf_prog_get+0x20/0x20
[  307.869354]  ? ksys_ioctl+0x81/0xd0
[  307.873000]  ? do_syscall_64+0x1b9/0x820
[  307.877061]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  307.882440]  ? syscall_return_slowpath+0x5e0/0x5e0
[  307.887369]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  307.892232]  ? trace_hardirqs_off+0x300/0x300
[  307.896732]  ? prepare_exit_to_usermode+0x291/0x3b0
[  307.901756]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  307.906615]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  307.912001] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
[  307.912091] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  307.918761] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  307.918767] Call Trace:
[  307.918786]  dump_stack+0x1c4/0x2b4
[  307.918803]  ? dump_stack_print_info.cold.2+0x52/0x52
[  307.918830]  warn_alloc.cold.118+0xb7/0x1bd
[  307.925359] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  307.934645]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  307.937207] syz-executor1 cpuset=
[  307.940827]  ? lock_downgrade+0x900/0x900
[  307.946007] syz1
[  307.950329]  ? trace_hardirqs_off+0xb8/0x300
[  307.960791]  mems_allowed=0
[  307.965634]  ? trace_hardirqs_off+0xb8/0x300
[  307.986872]  __alloc_pages_slowpath+0x2667/0x2d80
[  307.991760]  ? warn_alloc+0x120/0x120
[  307.995571]  ? warn_alloc+0x120/0x120
[  307.999375]  ? print_usage_bug+0xc0/0xc0
[  308.003441]  ? warn_alloc+0x120/0x120
[  308.007245]  ? print_usage_bug+0xc0/0xc0
[  308.011309]  ? __lock_acquire+0x7ec/0x4ec0
[  308.015542]  ? __lock_acquire+0x7ec/0x4ec0
[  308.019782]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  308.025318]  ? should_fail+0x22d/0xd01
[  308.029224]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  308.034327]  ? __lock_acquire+0x7ec/0x4ec0
[  308.038564]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  308.043678]  ? __lock_acquire+0x7ec/0x4ec0
[  308.047923]  ? should_fail+0x22d/0xd01
[  308.051808]  ? print_usage_bug+0xc0/0xc0
[  308.055882]  ? mark_held_locks+0x130/0x130
[  308.060121]  ? mark_held_locks+0x130/0x130
[  308.064367]  ? graph_lock+0x170/0x170
[  308.068173]  ? print_usage_bug+0xc0/0xc0
[  308.072238]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  308.076998]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.082536]  ? check_preemption_disabled+0x48/0x200
[  308.087553]  ? check_preemption_disabled+0x48/0x200
[  308.092589]  ? __lock_is_held+0xb5/0x140
[  308.096664]  __alloc_pages_nodemask+0xa80/0xde0
[  308.101337]  ? graph_lock+0x170/0x170
[  308.105144]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  308.110181]  ? graph_lock+0x170/0x170
[  308.114018]  ? find_held_lock+0x36/0x1c0
[  308.118089]  ? ____cache_alloc_node+0x1c7/0x1e0
[  308.122763]  ? lock_downgrade+0x900/0x900
[  308.126920]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.132495]  cache_grow_begin+0x91/0x8c0
[  308.136563]  ? do_raw_spin_unlock+0xa7/0x2f0
[  308.140999]  fallback_alloc+0x203/0x2e0
[  308.144998]  ____cache_alloc_node+0x1c7/0x1e0
[  308.149504]  kmem_cache_alloc_node+0xe3/0x730
[  308.154017]  ? ipv6_get_ifaddr+0x42e/0x620
[  308.158261]  __alloc_skb+0x119/0x770
[  308.161979]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  308.167269]  ? skb_scrub_packet+0x490/0x490
[  308.171606]  ? lock_downgrade+0x900/0x900
[  308.175767]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.181341]  ? refcount_sub_and_test_checked+0x203/0x310
[  308.186794]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  308.192244]  ? addrconf_rs_timer+0x6f0/0x6f0
[  308.196680]  ndisc_alloc_skb+0x144/0x340
[  308.200749]  ndisc_send_rs+0x331/0x6e0
[  308.204647]  addrconf_rs_timer+0x3c0/0x6f0
[  308.208893]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  308.213149]  call_timer_fn+0x272/0x920
[  308.217047]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  308.221281]  ? process_timeout+0x40/0x40
[  308.225339]  ? find_held_lock+0x36/0x1c0
[  308.229429]  ? __run_timers+0x7da/0xc70
[  308.233426]  ? _raw_spin_unlock_irq+0x27/0x80
[  308.237923]  ? _raw_spin_unlock_irq+0x27/0x80
[  308.242430]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  308.246680]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  308.251269]  ? trace_hardirqs_on+0xbd/0x310
[  308.255596]  ? kasan_check_read+0x11/0x20
[  308.259747]  ? __run_timers+0x7da/0xc70
[  308.263726]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  308.269213]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  308.273464]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  308.277719]  __run_timers+0x7e5/0xc70
[  308.281542]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  308.286907]  ? compat_start_thread+0x80/0x80
[  308.291324]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.296871]  ? kasan_check_write+0x14/0x20
[  308.301108]  ? finish_task_switch+0x2f5/0x900
[  308.305604]  ? __switch_to_asm+0x40/0x70
[  308.309677]  ? preempt_notifier_register+0x200/0x200
[  308.314780]  ? __switch_to_asm+0x34/0x70
[  308.318839]  ? __switch_to_asm+0x40/0x70
[  308.322899]  ? __switch_to_asm+0x34/0x70
[  308.326960]  ? __switch_to_asm+0x40/0x70
[  308.331021]  ? __switch_to_asm+0x34/0x70
[  308.335081]  ? __switch_to_asm+0x40/0x70
[  308.339159]  ? pvclock_read_flags+0x160/0x160
[  308.343655]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.349213]  ? check_preemption_disabled+0x48/0x200
[  308.354243]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  308.359526]  ? rcu_pm_notify+0xc0/0xc0
[  308.363436]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.368986]  ? check_preemption_disabled+0x48/0x200
[  308.374017]  run_timer_softirq+0x52/0xb0
[  308.378082]  ? rcu_read_lock_sched_held+0x108/0x120
[  308.383106]  __do_softirq+0x30b/0xad8
[  308.386934]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  308.392048]  ? schedule+0x108/0x460
[  308.395680]  ? __schedule+0x1ed0/0x1ed0
[  308.399666]  ? trace_hardirqs_off+0xb8/0x300
[  308.404077]  ? ___might_sleep+0x1ed/0x300
[  308.408262]  ? smpboot_thread_fn+0x68b/0xa00
[  308.412688]  ? trace_hardirqs_on+0x310/0x310
[  308.417124]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  308.422666]  ? check_preemption_disabled+0x48/0x200
[  308.427696]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.433244]  ? takeover_tasklets+0xa90/0xa90
[  308.437656]  run_ksoftirqd+0x94/0x100
[  308.441464]  smpboot_thread_fn+0x68b/0xa00
[  308.445720]  ? sort_range+0x30/0x30
[  308.449352]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  308.454469]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  308.460016]  ? __kthread_parkme+0xfb/0x1a0
[  308.464281]  kthread+0x35a/0x420
[  308.467648]  ? sort_range+0x30/0x30
[  308.471283]  ? kthread_bind+0x40/0x40
[  308.475087]  ret_from_fork+0x3a/0x50
[  308.478848] CPU: 1 PID: 10110 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
[  308.478854] warn_alloc_show_mem: 1 callbacks suppressed
[  308.478861] Mem-Info:
[  308.486140] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  308.491514] active_anon:39159 inactive_anon:1633 isolated_anon:0
[  308.491514]  active_file:15 inactive_file:16 isolated_file:0
[  308.491514]  unevictable:0 dirty:0 writeback:0 unstable:0
[  308.491514]  slab_reclaimable:8773 slab_unreclaimable:1470459
[  308.491514]  mapped:49330 shmem:1666 pagetables:630 bounce:0
[  308.491514]  free:13723 free_pcp:275 free_cma:0
[  308.493890] Call Trace:
[  308.503280] Node 0 active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197320kB dirty:0kB writeback:0kB shmem:6664kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  308.536330]  <IRQ>
[  308.538912] Node 0 
[  308.566739]  dump_stack+0x1c4/0x2b4
[  308.568916] 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
[  308.571146]  ? dump_stack_print_info.cold.2+0x52/0x52
[  308.574726] lowmem_reserve[]: 0
[  308.600477]  warn_alloc.cold.118+0xb7/0x1bd
[  308.605649]  2817
[  308.608932]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  308.613227]  6321
[  308.615297]  ? lock_downgrade+0x900/0x900
[  308.620107]  6321
[  308.622179]  ? trace_hardirqs_off+0xb8/0x300
[  308.626294] Node 0 
[  308.628450]  ? trace_hardirqs_off+0xb8/0x300
[  308.632856] DMA32 free:25172kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  308.635069]  __alloc_pages_slowpath+0x2667/0x2d80
[  308.639480] lowmem_reserve[]: 0
[  308.666261]  ? warn_alloc+0x120/0x120
[  308.671061]  0
[  308.674355]  ? warn_alloc+0x120/0x120
[  308.678138]  3503
[  308.679943]  ? print_usage_bug+0xc0/0xc0
[  308.683713]  3503
[  308.685784]  ? warn_alloc+0x120/0x120
[  308.689821] Node 0 
[  308.691877]  ? print_usage_bug+0xc0/0xc0
[  308.695681] Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5408kB pagetables:2520kB bounce:0kB free_pcp:852kB local_pcp:604kB free_cma:0kB
[  308.697885]  ? __lock_acquire+0x7ec/0x4ec0
[  308.701919] lowmem_reserve[]: 0
[  308.730410]  ? __lock_acquire+0x7ec/0x4ec0
[  308.734630]  0
[  308.737916]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  308.742118]  0
[  308.743926]  ? should_fail+0x22d/0xd01
[  308.749434]  0
[  308.751233]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  308.756891]  ? __lock_acquire+0x7ec/0x4ec0
[  308.761967] Node 0 DMA: 
[  308.766197]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  308.766212]  ? __lock_acquire+0x7ec/0x4ec0
[  308.768866] 1*4kB 
[  308.773961]  ? should_fail+0x22d/0xd01
[  308.778171] (U) 
[  308.780326]  ? mark_held_locks+0x130/0x130
[  308.784184] 0*8kB 
[  308.786277]  ? mark_held_locks+0x130/0x130
[  308.790487] 0*16kB 1*32kB 
[  308.792640]  ? graph_lock+0x170/0x170
[  308.796849] (U) 
[  308.799691]  ? graph_lock+0x170/0x170
[  308.803474] 2*64kB 
[  308.805449]  ? graph_lock+0x170/0x170
[  308.809227] (U) 
[  308.811462]  ? print_usage_bug+0xc0/0xc0
[  308.815232] 1*128kB (U) 
[  308.817229]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.821280] 1*256kB (U) 
[  308.823956]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.829472] 0*512kB 
[  308.832141]  ? check_preemption_disabled+0x48/0x200
[  308.837648] 1*1024kB 
[  308.839967]  ? check_preemption_disabled+0x48/0x200
[  308.844948] (U) 1*2048kB 
[  308.847372]  ? __lock_is_held+0xb5/0x140
[  308.852381] (M) 
[  308.855150]  __alloc_pages_nodemask+0xa80/0xde0
[  308.859185] 3*4096kB 
[  308.861152]  ? graph_lock+0x170/0x170
[  308.865795] (M) 
[  308.868202]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  308.871977] = 15908kB
[  308.873969]  ? graph_lock+0x170/0x170
[  308.878960] Node 0 
[  308.881371]  ? find_held_lock+0x36/0x1c0
[  308.885133] DMA32: 3*4kB 
[  308.887376]  ? ____cache_alloc_node+0x1c7/0x1e0
[  308.891426] (UM) 
[  308.894185]  ? lock_downgrade+0x900/0x900
[  308.898831] 1*8kB 
[  308.900895]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.905028] (U) 
[  308.907189]  cache_grow_begin+0x91/0x8c0
[  308.912694] 4*16kB (UM) 
[  308.914676]  ? do_raw_spin_unlock+0xa7/0x2f0
[  308.918710] 2*32kB (UM) 
[  308.921397]  fallback_alloc+0x203/0x2e0
[  308.925792] 3*64kB 
[  308.928461]  ____cache_alloc_node+0x1c7/0x1e0
[  308.932416] (UM) 
[  308.934648]  kmem_cache_alloc_node+0xe3/0x730
[  308.939114] 4*128kB (UM) 
[  308.941178]  ? ipv6_get_ifaddr+0x42e/0x620
[  308.945659] 3*256kB 
[  308.948417]  __alloc_skb+0x119/0x770
[  308.952639] (UM) 
[  308.954967]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  308.958650] 4*512kB 
[  308.960711]  ? skb_scrub_packet+0x490/0x490
[  308.965966] (UM) 
[  308.968289]  ? lock_downgrade+0x900/0x900
[  308.972581] 3*1024kB (M) 
[  308.974668]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.978812] 3*2048kB 
[  308.981569]  ? refcount_sub_and_test_checked+0x203/0x310
[  308.987080] (UM) 
[  308.989493]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  308.994910] 3*4096kB (M) = 25172kB
[  308.996988]  ? addrconf_rs_timer+0x6f0/0x6f0
[  309.002432] Node 0 
[  309.005982]  ndisc_alloc_skb+0x144/0x340
[  309.010351] Normal: 979*4kB 
[  309.012599]  ndisc_send_rs+0x331/0x6e0
[  309.016635] (ME) 
[  309.019659]  addrconf_rs_timer+0x3c0/0x6f0
[  309.023518] 483*8kB 
[  309.025576]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.029791] (UME) 201*16kB 
[  309.032128]  call_timer_fn+0x272/0x920
[  309.036328] (ME) 
[  309.039259]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.043127] 59*32kB 
[  309.045588]  ? process_timeout+0x40/0x40
[  309.049799] (UME) 
[  309.052117]  ? find_held_lock+0x36/0x1c0
[  309.056149] 15*64kB (UM) 
[  309.058325]  ? __run_timers+0x7da/0xc70
[  309.062350] 0*128kB 0*256kB 
[  309.065129]  ? _raw_spin_unlock_irq+0x27/0x80
[  309.069076] 0*512kB 
[  309.072090]  ? _raw_spin_unlock_irq+0x27/0x80
[  309.076566] 0*1024kB 
[  309.078926]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.083394] 0*2048kB 0*4096kB 
[  309.085810]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  309.090017] = 13844kB
[  309.090032] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  309.093214]  ? trace_hardirqs_on+0xbd/0x310
[  309.097776] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  309.100183]  ? kasan_check_read+0x11/0x20
[  309.108992] 1697 total pagecache pages
[  309.113313]  ? __run_timers+0x7da/0xc70
[  309.121866] 0 pages in swap cache
[  309.126005]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  309.129875] Swap cache stats: add 0, delete 0, find 0/0
[  309.129885] Free swap  = 0kB
[  309.133881]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.137309] Total swap = 0kB
[  309.142775]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.148139] 1965979 pages RAM
[  309.151168]  __run_timers+0x7e5/0xc70
[  309.155557] 0 pages HighMem/MovableOnly
[  309.155566] 342744 pages reserved
[  309.158594]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  309.162796] 0 pages cma reserved
[  309.165901]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  309.169780] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  309.173656]  ? rcu_bh_qs+0xc0/0xc0
[  309.177192] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  309.182457]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.185801] ksoftirqd/0 cpuset=
[  309.191080]  ? check_preemption_disabled+0x48/0x200
[  309.197545] /
[  309.201091]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  309.211374]  mems_allowed=0
[  309.234577]  ? retint_kernel+0x2d/0x2d
[  309.238471]  ? trace_hardirqs_on_caller+0xc0/0x300
[  309.243422]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  309.248178]  ? trace_hardirqs_off_caller+0x300/0x300
[  309.253297]  ? check_preemption_disabled+0x48/0x200
[  309.258311]  ? graph_lock+0x170/0x170
[  309.262116]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.267660]  ? check_preemption_disabled+0x48/0x200
[  309.272699]  ? __lock_is_held+0xb5/0x140
[  309.276772]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.282311]  ? check_preemption_disabled+0x48/0x200
[  309.287332]  run_timer_softirq+0x52/0xb0
[  309.291401]  ? rcu_read_lock_sched_held+0x108/0x120
[  309.296420]  __do_softirq+0x30b/0xad8
[  309.300244]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  309.305353]  ? pvclock_read_flags+0x160/0x160
[  309.309855]  ? lapic_next_event+0x5a/0x90
[  309.314022]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.319564]  ? check_preemption_disabled+0x48/0x200
[  309.324585]  ? check_preemption_disabled+0x48/0x200
[  309.329612]  ? kvm_clock_read+0x18/0x30
[  309.333586]  ? kvm_sched_clock_read+0x9/0x20
[  309.337996]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.343536]  ? check_preemption_disabled+0x48/0x200
[  309.348564]  irq_exit+0x17f/0x1c0
[  309.352026]  smp_apic_timer_interrupt+0x1cb/0x760
[  309.356871]  ? smp_reschedule_interrupt+0x109/0x650
[  309.361922]  ? smp_call_function_single_interrupt+0x650/0x650
[  309.367810]  ? interrupt_entry+0xb5/0xf0
[  309.371894]  ? trace_hardirqs_off_caller+0xbb/0x300
[  309.376909]  ? trace_hardirqs_off_caller+0xbb/0x300
[  309.381936]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  309.386778]  ? trace_hardirqs_off+0x300/0x300
[  309.391272]  ? trace_hardirqs_off+0x300/0x300
[  309.395766]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.401306]  ? check_preemption_disabled+0x48/0x200
[  309.406325]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.411884]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  309.416746]  apic_timer_interrupt+0xf/0x20
[  309.420976]  </IRQ>
[  309.423220] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  309.428153] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 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 9a 42
[  309.447057] RSP: 0018:ffff88019cfa7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  309.454765] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  309.462033] RDX: 0000000000000000 RSI: ffff88019d338900 RDI: 0000000000000282
[  309.469300] RBP: ffff88019cfa77b0 R08: ffff88019d338080 R09: 0000000000000000
[  309.476575] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  309.483843] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  309.491159]  skb_clone+0x1bb/0x500
[  309.494701]  ? finish_task_switch+0x2f5/0x900
[  309.499196]  ? skb_split+0x11e0/0x11e0
[  309.503142]  ? preempt_notifier_register+0x200/0x200
[  309.508270]  ? __switch_to_asm+0x34/0x70
[  309.512342]  ? __switch_to_asm+0x34/0x70
[  309.516407]  ? __switch_to_asm+0x40/0x70
[  309.520468]  ? __switch_to_asm+0x34/0x70
[  309.524526]  ? __switch_to_asm+0x40/0x70
[  309.528586]  ? __switch_to_asm+0x34/0x70
[  309.532647]  ? __switch_to_asm+0x40/0x70
[  309.536707]  ? __switch_to_asm+0x34/0x70
[  309.540766]  ? __switch_to_asm+0x34/0x70
[  309.544848]  ? __switch_to_asm+0x40/0x70
[  309.548907]  ? __switch_to_asm+0x34/0x70
[  309.552984]  bpf_clone_redirect+0xb9/0x490
[  309.557224]  ? __schedule+0x874/0x1ed0
[  309.561117]  bpf_prog_bebbfe2050753572+0x482/0x1000
[  309.566136]  ? __sched_text_start+0x8/0x8
[  309.570316]  ? find_held_lock+0x36/0x1c0
[  309.574391]  ? lock_acquire+0x1ed/0x520
[  309.578366]  ? bpf_test_run+0x32e/0x5a0
[  309.582355]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.587899]  ? check_preemption_disabled+0x48/0x200
[  309.592946]  ? kasan_check_read+0x11/0x20
[  309.597097]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  309.602374]  ? rcu_bh_qs+0xc0/0xc0
[  309.605927]  ? preempt_schedule+0x4d/0x60
[  309.610093]  ? ___preempt_schedule+0x16/0x18
[  309.614510]  ? bpf_test_run+0x1c0/0x5a0
[  309.618497]  ? netlink_diag_dump+0x2a0/0x2a0
[  309.622916]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  309.628452]  ? bpf_test_init.isra.9+0x70/0x100
[  309.633042]  ? bpf_prog_test_run_skb+0x634/0xb40
[  309.637803]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  309.642657]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  309.648191]  ? fput+0x130/0x1a0
[  309.651476]  ? __bpf_prog_get+0x9b/0x290
[  309.655543]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  309.660388]  ? bpf_prog_test_run+0x130/0x1a0
[  309.664800]  ? __x64_sys_bpf+0x3d8/0x510
[  309.668863]  ? bpf_prog_get+0x20/0x20
[  309.672674]  ? ksys_ioctl+0x81/0xd0
[  309.676313]  ? do_syscall_64+0x1b9/0x820
[  309.680375]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  309.685749]  ? syscall_return_slowpath+0x5e0/0x5e0
[  309.690682]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  309.695538]  ? trace_hardirqs_off+0x300/0x300
[  309.700042]  ? prepare_exit_to_usermode+0x291/0x3b0
[  309.705064]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  309.709920]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  309.715313] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
[  309.715359] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[  309.722076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  309.722084] Call Trace:
[  309.737664]  dump_stack+0x1c4/0x2b4
[  309.740567] rcu: 	0-...!: (1 GPs behind) idle=b2a/1/0x4000000000000000 softirq=13010/13011 fqs=247 
[  309.743843]  ? dump_stack_print_info.cold.2+0x52/0x52
[  309.743872]  warn_alloc.cold.118+0xb7/0x1bd
[  309.743887]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  309.743909]  ? lock_downgrade+0x900/0x900
[  309.743931]  ? trace_hardirqs_off+0xb8/0x300
[  309.743964]  ? trace_hardirqs_off+0xb8/0x300
[  309.743985]  __alloc_pages_slowpath+0x2667/0x2d80
[  309.744026]  ? warn_alloc+0x120/0x120
[  309.744046]  ? warn_alloc+0x120/0x120
[  309.753516] rcu: 	
[  309.758706]  ? print_usage_bug+0xc0/0xc0
[  309.763021] (detected by 1, t=10526 jiffies, g=16021, q=41)
[  309.767858]  ? warn_alloc+0x120/0x120
[  309.772005] Sending NMI from CPU 1 to CPUs 0:
[  309.776416]  ? print_usage_bug+0xc0/0xc0
[  309.776445]  ? __lock_acquire+0x7ec/0x4ec0
[  309.784158] NMI backtrace for cpu 0
[  309.784166] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
[  309.784173] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  309.784179] RIP: 0010:__sanitizer_cov_trace_switch+0x1/0x90
[  309.784191] Code: c3 0f 1f 84 00 00 00 00 00 55 48 89 f2 48 89 fe bf 07 00 00 00 48 89 e5 48 8b 4d 08 e8 48 fe ff ff 5d c3 66 0f 1f 44 00 00 55 <48> 89 e5 41 57 41 56 41 55 41 54 53 48 8b 46 08 48 83 f8 10 74 6b
[  309.784196] RSP: 0000:ffff8801d9aae230 EFLAGS: 00000046
[  309.784206] RAX: 0000000000000000 RBX: ffffffff880c3007 RCX: dffffc0000000000
[  309.784212] RDX: 0000000000000007 RSI: ffffffff88c6b080 RDI: 0000000000000030
[  309.784218] RBP: ffff8801d9aae2e8 R08: ffff8801d9aa0240 R09: fffffbfff166f4e4
[  309.784224] R10: fffffbfff166f4e4 R11: ffffffff8b37a726 R12: 0000000000000030
[  309.784230] R13: ffff8801d9aae360 R14: ffff8801d9aae2c0 R15: ffffffff880c3006
[  309.784237] FS:  0000000000000000(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000
[  309.784242] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  309.784248] CR2: 0000000000404d3b CR3: 00000001caf4b000 CR4: 00000000001406f0
[  309.784254] DR0: 0000000020000000 DR1: 0000000020000000 DR2: 0000000000000000
[  309.784260] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
[  309.784264] Call Trace:
[  309.784268]  ? format_decode+0x264/0xaf0
[  309.784272]  ? set_precision+0xe0/0xe0
[  309.784276]  ? mark_held_locks+0x130/0x130
[  309.784280]  vsnprintf+0x185/0x1b60
[  309.784284]  ? pointer+0x990/0x990
[  309.784287]  sprintf+0xb0/0xe0
[  309.784291]  ? scnprintf+0x130/0x130
[  309.784308]  ? __lock_acquire+0x7ec/0x4ec0
[  309.784312]  print_prefix+0x26a/0x3f0
[  309.784316]  msg_print_text+0xcc/0x1d0
[  309.784333]  console_unlock+0x673/0x11a0
[  309.784337]  ? lock_acquire+0x170/0x520
[  309.784341]  ? devkmsg_read+0xbb0/0xbb0
[  309.784345]  ? lock_release+0x970/0x970
[  309.784349]  ? trace_hardirqs_off+0xb8/0x300
[  309.784353]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  309.784358]  ? trace_hardirqs_on+0x310/0x310
[  309.784362]  ? kasan_check_write+0x14/0x20
[  309.784366]  ? do_raw_spin_lock+0xc1/0x200
[  309.784370]  vprintk_emit+0x33d/0x930
[  309.784374]  ? wake_up_klogd+0x180/0x180
[  309.784378]  ? find_held_lock+0x36/0x1c0
[  309.784392]  ? is_bpf_text_address+0xac/0x170
[  309.784396]  ? lock_downgrade+0x900/0x900
[  309.784401]  ? check_preemption_disabled+0x48/0x200
[  309.784405]  vprintk_default+0x28/0x30
[  309.784409]  vprintk_func+0x7e/0x181
[  309.784413]  ? unwind_dump+0x190/0x190
[  309.784416]  printk+0xa7/0xcf
[  309.784421]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  309.784425]  ? is_bpf_text_address+0xd3/0x170
[  309.784429]  ? __lock_acquire+0x7ec/0x4ec0
[  309.784433]  show_trace_log_lvl+0x23a/0x28c
[  309.784438]  ? __lock_acquire+0x7ec/0x4ec0
[  309.784442]  ? __alloc_pages_nodemask+0xa80/0xde0
[  309.784446]  show_stack+0x38/0x3a
[  309.784450]  dump_stack+0x1c4/0x2b4
[  309.784454]  ? dump_stack_print_info.cold.2+0x52/0x52
[  309.784459]  warn_alloc.cold.118+0xb7/0x1bd
[  309.784463]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  309.784467]  ? lock_downgrade+0x900/0x900
[  309.784472]  ? trace_hardirqs_off+0xb8/0x300
[  309.784476]  ? trace_hardirqs_off+0xb8/0x300
[  309.784481]  __alloc_pages_slowpath+0x2667/0x2d80
[  309.784485]  ? warn_alloc+0x120/0x120
[  309.784489]  ? warn_alloc+0x120/0x120
[  309.784493]  ? print_usage_bug+0xc0/0xc0
[  309.784497]  ? warn_alloc+0x120/0x120
[  309.784501]  ? print_usage_bug+0xc0/0xc0
[  309.784505]  ? __lock_acquire+0x7ec/0x4ec0
[  309.784510]  ? __lock_acquire+0x7ec/0x4ec0
[  309.784515]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  309.784519]  ? should_fail+0x22d/0xd01
[  309.784524]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  309.784528]  ? __lock_acquire+0x7ec/0x4ec0
[  309.784533]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  309.784537]  ? __lock_acquire+0x7ec/0x4ec0
[  309.784541]  ? should_fail+0x22d/0xd01
[  309.784545]  ? print_usage_bug+0xc0/0xc0
[  309.784549]  ? mark_held_locks+0x130/0x130
[  309.784553]  ? mark_held_locks+0x130/0x130
[  309.784557]  ? graph_lock+0x170/0x170
[  309.784562]  ? print_usage_bug+0xc0/0xc0
[  309.784566]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  309.784571]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.784576]  ? check_preemption_disabled+0x48/0x200
[  309.784580]  ? check_preemption_disabled+0x48/0x200
[  309.784584]  ? __lock_is_held+0xb5/0x140
[  309.784589]  __alloc_pages_nodemask+0xa80/0xde0
[  309.784593]  ? graph_lock+0x170/0x170
[  309.784598]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  309.784601]  ? graph_lock+0x170/0x170
[  309.784606]  ? find_held_lock+0x36/0x1c0
[  309.784610]  ? ____cache_alloc_node+0x1c7/0x1e0
[  309.784614]  ? lock_downgrade+0x900/0x900
[  309.784619]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.784623]  cache_grow_begin+0x91/0x8c0
[  309.784627]  ? do_raw_spin_unlock+0xa7/0x2f0
[  309.784631]  fallback_alloc+0x203/0x2e0
[  309.784635]  ____cache_alloc_node+0x1c7/0x1e0
[  309.784640]  kmem_cache_alloc_node+0xe3/0x730
[  309.784644]  ? ipv6_get_ifaddr+0x42e/0x620
[  309.784648]  __alloc_skb+0x119/0x770
[  309.784653]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  309.784657]  ? skb_scrub_packet+0x490/0x490
[  309.784661]  ? lock_downgrade+0x900/0x900
[  309.784667]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.784672]  ? refcount_sub_and_test_checked+0x203/0x310
[  309.784677]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  309.784681]  ? addrconf_rs_timer+0x6f0/0x6f0
[  309.784685]  ndisc_alloc_skb+0x144/0x340
[  309.784689]  ndisc_send_rs+0x331/0x6e0
[  309.784693]  addrconf_rs_timer+0x3c0/0x6f0
[  309.784697]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.784701]  call_timer_fn+0x272/0x920
[  309.784706]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.784710]  ? process_timeout+0x40/0x40
[  309.784714]  ? find_held_lock+0x36/0x1c0
[  309.784718]  ? __run_timers+0x7da/0xc70
[  309.784722]  ? _raw_spin_unlock_irq+0x27/0x80
[  309.784727]  ? _raw_spin_unlock_irq+0x27/0x80
[  309.784731]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.784735]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  309.784739]  ? trace_hardirqs_on+0xbd/0x310
[  309.784744]  ? kasan_check_read+0x11/0x20
[  309.784748]  ? __run_timers+0x7da/0xc70
[  309.784753]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  309.784757]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.784761]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.784765]  __run_timers+0x7e5/0xc70
[  309.784770]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  309.784774]  ? compat_start_thread+0x80/0x80
[  309.784779]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.784784]  ? kasan_check_write+0x14/0x20
[  309.784788]  ? finish_task_switch+0x2f5/0x900
[  309.784792]  ? __switch_to_asm+0x40/0x70
[  309.784796]  ? preempt_notifier_register+0x200/0x200
[  309.784800]  ? __switch_to_asm+0x34/0x70
[  309.784804]  ? __switch_to_asm+0x40/0x70
[  309.784809]  ? __switch_to_asm+0x34/0x70
[  309.784813]  ? __switch_to_asm+0x40/0x70
[  309.784817]  ? __switch_to_asm+0x34/0x70
[  309.784821]  ? __switch_to_asm+0x40/0x70
[  309.784825]  ? pvclock_read_flags+0x160/0x160
[  309.784830]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.784848]  ? check_preemption_disabled+0x48/0x200
[  309.784853]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  309.784871]  ? rcu_pm_notify+0xc0/0xc0
[  309.784877]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.784894]  ? check_preemption_disabled+0x48/0x200
[  309.784898]  run_timer_softirq+0x52/0xb0
[  309.784902]  ? rcu_read_lock_sched_held+0x108/0x120
[  309.784906]  __do_softirq+0x30b/0xad8
[  309.784917]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  309.784921]  ? schedule+0x108/0x460
[  309.784925]  ? __schedule+0x1ed0/0x1ed0
[  309.784929]  ? trace_hardirqs_off+0xb8/0x300
[  309.784933]  ? ___might_sleep+0x1ed/0x300
[  309.784937]  ? smpboot_thread_fn+0x68b/0xa00
[  309.784942]  ? trace_hardirqs_on+0x310/0x310
[  309.784946]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  309.784951]  ? check_preemption_disabled+0x48/0x200
[  309.784956]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.784960]  ? takeover_tasklets+0xa90/0xa90
[  309.784964]  run_ksoftirqd+0x94/0x100
[  309.784968]  smpboot_thread_fn+0x68b/0xa00
[  309.784971]  ? sort_range+0x30/0x30
[  309.784976]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  309.784980]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  309.784984]  ? __kthread_parkme+0xfb/0x1a0
[  309.784988]  kthread+0x35a/0x420
[  309.784992]  ? sort_range+0x30/0x30
[  309.785008]  ? kthread_bind+0x40/0x40
[  309.785012]  ret_from_fork+0x3a/0x50
[  309.785033] rcu: rcu_preempt kthread starved for 10032 jiffies! g16021 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
[  309.787861]  ? __lock_acquire+0x7ec/0x4ec0
[  309.791640] rcu: RCU grace-period kthread stack dump:
[  309.795437]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  309.797569] rcu_preempt     R
[  309.801622]  ? should_fail+0x22d/0xd01
[  309.807329]   running task    
[  309.811138]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  309.815614] 22568    10      2 0x80000000
[  309.819660]  ? __lock_acquire+0x7ec/0x4ec0
[  309.823870] Call Trace:
[  309.827497]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  309.834337]  __schedule+0x86c/0x1ed0
[  309.843681]  ? __lock_acquire+0x7ec/0x4ec0
[  309.849392]  ? __sched_text_start+0x8/0x8
[  309.868265]  ? should_fail+0x22d/0xd01
[  309.868281]  ? print_usage_bug+0xc0/0xc0
[  309.873656]  ? __mod_timer+0x6f6/0x1870
[  309.880919]  ? mark_held_locks+0x130/0x130
[  309.888188]  ? add_timer_on+0x9f0/0x9f0
[  309.895445]  ? mark_held_locks+0x130/0x130
[  309.902719]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  309.909982]  ? graph_lock+0x170/0x170
[  309.918209]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  309.924059]  ? print_usage_bug+0xc0/0xc0
[  309.924074]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  309.924105]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.924121]  ? check_preemption_disabled+0x48/0x200
[  309.924134]  ? check_preemption_disabled+0x48/0x200
[  309.931423]  ? trace_hardirqs_on+0xbd/0x310
[  309.938700]  ? __lock_is_held+0xb5/0x140
[  309.946299]  ? kasan_check_read+0x11/0x20
[  309.948879]  __alloc_pages_nodemask+0xa80/0xde0
[  309.953165]  ? prepare_to_swait_event+0x25a/0x800
[  309.957654]  ? graph_lock+0x170/0x170
[  309.957673]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  309.957684]  ? graph_lock+0x170/0x170
[  309.957708]  ? find_held_lock+0x36/0x1c0
[  309.957731]  ? ____cache_alloc_node+0x1c7/0x1e0
[  309.961963]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  309.965579]  ? lock_downgrade+0x900/0x900
[  309.969317]  schedule+0xfe/0x460
[  309.972502]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.976456]  ? __schedule+0x1ed0/0x1ed0
[  309.980679]  cache_grow_begin+0x91/0x8c0
[  309.984467]  ? prepare_to_swait_event+0x25a/0x800
[  309.988338]  ? do_raw_spin_unlock+0xa7/0x2f0
[  309.992389]  ? __init_swait_queue_head+0x150/0x150
[  309.996363]  fallback_alloc+0x203/0x2e0
[  310.000328]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  310.004293]  ____cache_alloc_node+0x1c7/0x1e0
[  310.008683]  ? __lockdep_init_map+0x105/0x590
[  310.013258]  kmem_cache_alloc_node+0xe3/0x730
[  310.017652]  ? lockdep_init_map+0x9/0x10
[  310.021876]  ? ipv6_get_ifaddr+0x42e/0x620
[  310.026097]  schedule_timeout+0x140/0x260
[  310.029891]  __alloc_skb+0x119/0x770
[  310.033937]  ? usleep_range+0x1a0/0x1a0
[  310.037991]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  310.042471]  ? __next_timer_interrupt+0x1a0/0x1a0
[  310.046603]  ? skb_scrub_packet+0x490/0x490
[  310.051613]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.055485]  ? lock_downgrade+0x900/0x900
[  310.059191]  rcu_gp_kthread+0x9d9/0x2310
[  310.063060]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.066168]  ? rcu_gp_init+0x1830/0x1830
[  310.070893]  ? refcount_sub_and_test_checked+0x203/0x310
[  310.075375]  ? update_curr+0x344/0xbe0
[  310.079607]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  310.083918]  ? graph_lock+0x170/0x170
[  310.088136]  ? addrconf_rs_timer+0x6f0/0x6f0
[  310.092966]  ? __account_cfs_rq_runtime+0x790/0x790
[  310.096428]  ndisc_alloc_skb+0x144/0x340
[  310.100026]  ? __lock_acquire+0x7ec/0x4ec0
[  310.105201]  ndisc_send_rs+0x331/0x6e0
[  310.109525]  ? graph_lock+0x170/0x170
[  310.114354]  addrconf_rs_timer+0x3c0/0x6f0
[  310.118501]  ? mark_held_locks+0x130/0x130
[  310.122896]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  310.127298]  ? __lock_is_held+0xb5/0x140
[  310.132134]  call_timer_fn+0x272/0x920
[  310.135916]  ? __account_cfs_rq_runtime+0x790/0x790
[  310.139698]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  310.143763]  ? set_next_entity+0x30c/0xc40
[  310.147555]  ? process_timeout+0x40/0x40
[  310.151600]  ? mark_held_locks+0x130/0x130
[  310.155832]  ? find_held_lock+0x36/0x1c0
[  310.160062]  ? rcu_read_lock_sched_held+0x108/0x120
[  310.165590]  ? __run_timers+0x7da/0xc70
[  310.169459]  ? select_task_rq_fair+0x34f0/0x34f0
[  310.174554]  ? _raw_spin_unlock_irq+0x27/0x80
[  310.178775]  ? __enqueue_entity+0x10d/0x1f0
[  310.183865]  ? _raw_spin_unlock_irq+0x27/0x80
[  310.188094]  ? graph_lock+0x170/0x170
[  310.191974]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  310.196021]  ? lock_repin_lock+0x251/0x430
[  310.200241]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  310.204463]  ? graph_lock+0x170/0x170
[  310.208250]  ? trace_hardirqs_on+0xbd/0x310
[  310.212300]  ? put_prev_task_stop+0x300/0xa10
[  310.217042]  ? kasan_check_read+0x11/0x20
[  310.222571]  ? lock_repin_lock+0x250/0x430
[  310.227570]  ? __run_timers+0x7da/0xc70
[  310.232575]  ? _raw_spin_unlock_irq+0x27/0x80
[  310.232596]  ? _raw_spin_unlock_irq+0x27/0x80
[  310.236661]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  310.241315]  ? lockdep_hardirqs_on+0x421/0x5c0
[  310.245114]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  310.250115]  ? trace_hardirqs_on+0xbd/0x310
[  310.253904]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  310.257949]  ? kasan_check_read+0x11/0x20
[  310.257973]  ? mark_held_locks+0x130/0x130
[  310.262629]  __run_timers+0x7e5/0xc70
[  310.266766]  ? audit_add_watch+0xae1/0xdc0
[  310.272305]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  310.276347]  ? kasan_check_write+0x14/0x20
[  310.280737]  ? compat_start_thread+0x80/0x80
[  310.284703]  ? finish_task_switch+0x2f5/0x900
[  310.289181]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.293665]  ? __switch_to_asm+0x40/0x70
[  310.297889]  ? kasan_check_write+0x14/0x20
[  310.301591]  ? preempt_notifier_register+0x200/0x200
[  310.306849]  ? finish_task_switch+0x2f5/0x900
[  310.311156]  ? __switch_to_asm+0x34/0x70
[  310.315292]  ? __switch_to_asm+0x40/0x70
[  310.320818]  ? __switch_to_asm+0x34/0x70
[  310.326267]  ? preempt_notifier_register+0x200/0x200
[  310.331705]  ? __switch_to_asm+0x40/0x70
[  310.336109]  ? __switch_to_asm+0x34/0x70
[  310.340155]  ? __switch_to_asm+0x40/0x70
[  310.344030]  ? __switch_to_asm+0x40/0x70
[  310.348255]  ? __switch_to_asm+0x34/0x70
[  310.352480]  ? __switch_to_asm+0x34/0x70
[  310.356352]  ? __switch_to_asm+0x40/0x70
[  310.360572]  ? __switch_to_asm+0x40/0x70
[  310.364624]  ? __switch_to_asm+0x34/0x70
[  310.368667]  ? __switch_to_asm+0x34/0x70
[  310.368682]  ? __switch_to_asm+0x40/0x70
[  310.372646]  ? __switch_to_asm+0x34/0x70
[  310.377131]  ? pvclock_read_flags+0x160/0x160
[  310.381605]  ? __switch_to_asm+0x40/0x70
[  310.385834]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.390396]  ? __switch_to_asm+0x40/0x70
[  310.390411]  ? __switch_to_asm+0x34/0x70
[  310.394733]  ? check_preemption_disabled+0x48/0x200
[  310.398865]  ? __switch_to_asm+0x40/0x70
[  310.402831]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  310.408265]  ? __schedule+0x874/0x1ed0
[  310.412483]  ? rcu_pm_notify+0xc0/0xc0
[  310.416704]  ? __switch_to_asm+0x40/0x70
[  310.420495]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.425840]  ? __switch_to_asm+0x40/0x70
[  310.430239]  ? check_preemption_disabled+0x48/0x200
[  310.435764]  ? graph_lock+0x170/0x170
[  310.439985]  run_timer_softirq+0x52/0xb0
[  310.444465]  ? __sched_text_start+0x8/0x8
[  310.448512]  ? rcu_read_lock_sched_held+0x108/0x120
[  310.453606]  ? find_held_lock+0x36/0x1c0
[  310.457648]  __do_softirq+0x30b/0xad8
[  310.461698]  ? __kthread_parkme+0xce/0x1a0
[  310.465749]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  310.469815]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  310.473870]  ? schedule+0x108/0x460
[  310.477916]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  310.482408]  ? __schedule+0x1ed0/0x1ed0
[  310.487937]  ? lockdep_hardirqs_on+0x421/0x5c0
[  310.492942]  ? trace_hardirqs_off+0xb8/0x300
[  310.498202]  ? trace_hardirqs_on+0xbd/0x310
[  310.502078]  ? ___might_sleep+0x1ed/0x300
[  310.507617]  ? kasan_check_read+0x11/0x20
[  310.512619]  ? smpboot_thread_fn+0x68b/0xa00
[  310.516667]  ? __kthread_parkme+0xce/0x1a0
[  310.521669]  ? trace_hardirqs_on+0x310/0x310
[  310.525456]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  310.530561]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  310.534185]  ? kasan_check_write+0x14/0x20
[  310.538155]  ? check_preemption_disabled+0x48/0x200
[  310.542549]  ? do_raw_spin_lock+0xc1/0x200
[  310.546683]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.551081]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  310.555506]  ? takeover_tasklets+0xa90/0xa90
[  310.561043]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  310.566049]  run_ksoftirqd+0x94/0x100
[  310.571582]  ? __kthread_parkme+0xfb/0x1a0
[  310.575977]  smpboot_thread_fn+0x68b/0xa00
[  310.579767]  kthread+0x35a/0x420
[  310.583988]  ? sort_range+0x30/0x30
[  310.587606]  ? rcu_gp_init+0x1830/0x1830
[  310.592692]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  310.598214]  ? kthread_bind+0x40/0x40
[  310.602462]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  310.605844]  ret_from_fork+0x3a/0x50
[  310.609460]  ? __kthread_parkme+0xfb/0x1a0
[  310.613795] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  310.617039]  kthread+0x35a/0x420
[  310.617053]  ? sort_range+0x30/0x30
[  310.617066]  ? kthread_bind+0x40/0x40
[  310.617083]  ret_from_fork+0x3a/0x50
[  310.628158] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  310.631797] warn_alloc_show_mem: 1 callbacks suppressed
[  310.631802] Mem-Info:
[  310.636959] syz-executor1 cpuset=
[  310.642519] active_anon:39159 inactive_anon:1633 isolated_anon:0
[  310.642519]  active_file:15 inactive_file:16 isolated_file:0
[  310.642519]  unevictable:0 dirty:0 writeback:0 unstable:0
[  310.642519]  slab_reclaimable:8773 slab_unreclaimable:1470459
[  310.642519]  mapped:49330 shmem:1666 pagetables:630 bounce:0
[  310.642519]  free:13723 free_pcp:275 free_cma:0
[  310.645586] syz1
[  310.649490] Node 0 active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197320kB dirty:0kB writeback:0kB shmem:6664kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  310.652705]  mems_allowed=0
[  310.658230] Node 0 
[  310.662375] CPU: 1 PID: 10110 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
[  310.666620] 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
[  310.669170] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  310.674260] lowmem_reserve[]:
[  310.677973] Call Trace:
[  310.682187]  0 2817
[  310.686349]  <IRQ>
[  310.690222]  6321
[  310.694279]  dump_stack+0x1c4/0x2b4
[  310.698224]  6321
[  310.702468]  ? dump_stack_print_info.cold.2+0x52/0x52
[  310.710655]  warn_alloc.cold.118+0xb7/0x1bd
[  310.715724] Node 0 
[  310.719608]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  310.724710] DMA32 free:25172kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  310.728747]  ? lock_downgrade+0x900/0x900
[  310.733465] lowmem_reserve[]: 0
[  310.739030]  ? trace_hardirqs_off+0xb8/0x300
[  310.744011]  0
[  310.749034]  ? trace_hardirqs_off+0xb8/0x300
[  310.753324]  3503 3503
[  310.757406]  __alloc_pages_slowpath+0x2667/0x2d80
[  310.761534] Node 0 
[  310.766222]  ? warn_alloc+0x120/0x120
[  310.771043] Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5408kB pagetables:2520kB bounce:0kB free_pcp:852kB local_pcp:604kB free_cma:0kB
[  310.774812]  ? warn_alloc+0x120/0x120
[  310.779794] lowmem_reserve[]: 0
[  310.783599]  ? print_usage_bug+0xc0/0xc0
[  310.787642]  0
[  310.792303]  ? warn_alloc+0x120/0x120
[  310.797729]  0
[  310.801867]  ? lock_downgrade+0x900/0x900
[  310.805209]  0
[  310.810754]  ? print_usage_bug+0xc0/0xc0
[  310.818766]  ? kasan_check_read+0x11/0x20
[  310.823582] Node 0 
[  310.827987]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  310.832892] DMA: 
[  310.836866]  ? should_fail+0x22d/0xd01
[  310.841954] 1*4kB 
[  310.846453]  ? rcu_bh_qs+0xc0/0xc0
[  310.850918] (U) 0*8kB 
[  310.855455]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  310.859492] 0*16kB 
[  310.863724]  ? __lock_acquire+0x7ec/0x4ec0
[  310.867853] 1*32kB (U) 
[  310.871574]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  310.875521] 2*64kB (U) 
[  310.880800]  ? __lock_acquire+0x7ec/0x4ec0
[  310.885612] 1*128kB (U) 
[  310.889947]  ? should_fail+0x22d/0xd01
[  310.895458] 1*256kB (U) 
[  310.899635]  ? mark_held_locks+0x130/0x130
[  310.903671] 0*512kB 
[  310.909219]  ? mark_held_locks+0x130/0x130
[  310.913248] 1*1024kB (U) 
[  310.918700]  ? try_to_wake_up+0x10a/0x12f0
[  310.922562] 1*2048kB 
[  310.928004]  ? graph_lock+0x170/0x170
[  310.931790] (M) 
[  310.936208]  ? print_usage_bug+0xc0/0xc0
[  310.941198] 3*4096kB (M) 
[  310.945284]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.949493] = 15908kB
[  310.953376]  ? check_preemption_disabled+0x48/0x200
[  310.957146] Node 0 
[  310.961378]  ? check_preemption_disabled+0x48/0x200
[  310.965598] DMA32: 
[  310.969837]  ? __lock_is_held+0xb5/0x140
[  310.973882] 3*4kB 
[  310.977766]  __alloc_pages_nodemask+0xa80/0xde0
[  310.982756] (UM) 
[  310.986986]  ? graph_lock+0x170/0x170
[  310.991207] 1*8kB (U) 
[  310.995284]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  310.999490] 4*16kB (UM) 
[  311.003553]  ? graph_lock+0x170/0x170
[  311.008541] 2*32kB (UM) 
[  311.012524]  ? find_held_lock+0x36/0x1c0
[  311.017248] 3*64kB 
[  311.021745]  ? ____cache_alloc_node+0x1c7/0x1e0
[  311.026033] (UM) 
[  311.030532]  ? lock_downgrade+0x900/0x900
[  311.034308] 4*128kB 
[  311.038549]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.042753] (UM) 
[  311.047623]  cache_grow_begin+0x91/0x8c0
[  311.051406] 3*256kB (UM) 
[  311.055736]  ? do_raw_spin_unlock+0xa7/0x2f0
[  311.060204] 4*512kB 
[  311.064348]  fallback_alloc+0x203/0x2e0
[  311.068552] (UM) 
[  311.072519]  ____cache_alloc_node+0x1c7/0x1e0
[  311.076996] 3*1024kB 
[  311.081493]  kmem_cache_alloc_node+0xe3/0x730
[  311.086919] (M) 
[  311.091499]  ? ipv6_get_ifaddr+0x42e/0x620
[  311.095721] 3*2048kB 
[  311.100039]  __alloc_skb+0x119/0x770
[  311.104236] (UM) 3*4096kB 
[  311.108391]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  311.112605] (M) 
[  311.116416]  ? skb_scrub_packet+0x490/0x490
[  311.120625] = 25172kB
[  311.120634] Node 0 
[  311.125991]  ? lock_downgrade+0x900/0x900
[  311.130207] Normal: 
[  311.134624]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.139089] 979*4kB 
[  311.144624]  ? refcount_sub_and_test_checked+0x203/0x310
[  311.148654] (ME) 
[  311.153372]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  311.158452] 483*8kB (UME) 
[  311.162955]  ? addrconf_rs_timer+0x6f0/0x6f0
[  311.166985] 201*16kB (ME) 
[  311.171060]  ndisc_alloc_skb+0x144/0x340
[  311.175082] 59*32kB (UME) 
[  311.180189]  ndisc_send_rs+0x331/0x6e0
[  311.184228] 15*64kB (UM) 
[  311.188310]  addrconf_rs_timer+0x3c0/0x6f0
[  311.192343] 0*128kB 
[  311.196408]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  311.200436] 0*256kB 0*512kB 
[  311.204529]  call_timer_fn+0x272/0x920
[  311.208559] 0*1024kB 
[  311.212614]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  311.216655] 0*2048kB 0*4096kB 
[  311.220725]  ? process_timeout+0x40/0x40
[  311.224760] = 13844kB
[  311.228816]  ? find_held_lock+0x36/0x1c0
[  311.233291] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  311.237342]  ? __run_timers+0x7da/0xc70
[  311.242856] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  311.246907]  ? _raw_spin_unlock_irq+0x27/0x80
[  311.250944] 1697 total pagecache pages
[  311.255956]  ? _raw_spin_unlock_irq+0x27/0x80
[  311.260015] 0 pages in swap cache
[  311.265290]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  311.269155] Swap cache stats: add 0, delete 0, find 0/0
[  311.273031]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  311.277069] Free swap  = 0kB
[  311.282610]  ? trace_hardirqs_on+0xbd/0x310
[  311.286646] Total swap = 0kB
[  311.291672]  ? kasan_check_read+0x11/0x20
[  311.295461] 1965979 pages RAM
[  311.299522]  ? __run_timers+0x7da/0xc70
[  311.303637] 0 pages HighMem/MovableOnly
[  311.303659] 342744 pages reserved
[  311.308685]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  311.312720] 0 pages cma reserved
[  311.316525]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  311.320956] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.150 msecs
[  311.325822]  __run_timers+0x7e5/0xc70
[  311.330972] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  311.334548]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  311.339732] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  311.343596]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  311.348148] ksoftirqd/0 cpuset=
[  311.352548]  ? rcu_bh_qs+0xc0/0xc0
[  311.356842] /
[  311.360998]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.365124]  mems_allowed=0
[  311.369530]  ? check_preemption_disabled+0x48/0x200
[  312.252353]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  312.257130]  ? retint_kernel+0x2d/0x2d
[  312.261025]  ? trace_hardirqs_on_caller+0xc0/0x300
[  312.265962]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  312.270718]  ? trace_hardirqs_off_caller+0x300/0x300
[  312.275828]  ? check_preemption_disabled+0x48/0x200
[  312.280851]  ? graph_lock+0x170/0x170
[  312.284661]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.290202]  ? check_preemption_disabled+0x48/0x200
[  312.295235]  ? __lock_is_held+0xb5/0x140
[  312.299395]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.304963]  ? check_preemption_disabled+0x48/0x200
[  312.309988]  run_timer_softirq+0x52/0xb0
[  312.314052]  ? rcu_read_lock_sched_held+0x108/0x120
[  312.319074]  __do_softirq+0x30b/0xad8
[  312.322892]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  312.328012]  ? pvclock_read_flags+0x160/0x160
[  312.332511]  ? lapic_next_event+0x5a/0x90
[  312.336665]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.342214]  ? check_preemption_disabled+0x48/0x200
[  312.347237]  ? check_preemption_disabled+0x48/0x200
[  312.352265]  ? kvm_clock_read+0x18/0x30
[  312.356244]  ? kvm_sched_clock_read+0x9/0x20
[  312.360659]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.366302]  ? check_preemption_disabled+0x48/0x200
[  312.371331]  irq_exit+0x17f/0x1c0
[  312.374789]  smp_apic_timer_interrupt+0x1cb/0x760
[  312.379630]  ? smp_reschedule_interrupt+0x109/0x650
[  312.384649]  ? smp_call_function_single_interrupt+0x650/0x650
[  312.390535]  ? interrupt_entry+0xb5/0xf0
[  312.394602]  ? trace_hardirqs_off_caller+0xbb/0x300
[  312.399622]  ? trace_hardirqs_off_caller+0xbb/0x300
[  312.404641]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  312.409487]  ? trace_hardirqs_off+0x300/0x300
[  312.414025]  ? trace_hardirqs_off+0x300/0x300
[  312.418523]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.424068]  ? check_preemption_disabled+0x48/0x200
[  312.429087]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.434642]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  312.439496]  apic_timer_interrupt+0xf/0x20
[  312.443729]  </IRQ>
[  312.445971] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  312.450907] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 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 9a 42
[  312.469816] RSP: 0018:ffff88019cfa7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  312.477527] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  312.484795] RDX: 0000000000000000 RSI: ffff88019d338900 RDI: 0000000000000282
[  312.492064] RBP: ffff88019cfa77b0 R08: ffff88019d338080 R09: 0000000000000000
[  312.499330] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  312.506600] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  312.513930]  skb_clone+0x1bb/0x500
[  312.517471]  ? finish_task_switch+0x2f5/0x900
[  312.521978]  ? skb_split+0x11e0/0x11e0
[  312.525900]  ? preempt_notifier_register+0x200/0x200
[  312.531017]  ? __switch_to_asm+0x34/0x70
[  312.535123]  ? __switch_to_asm+0x34/0x70
[  312.539180]  ? __switch_to_asm+0x40/0x70
[  312.543241]  ? __switch_to_asm+0x34/0x70
[  312.547300]  ? __switch_to_asm+0x40/0x70
[  312.551362]  ? __switch_to_asm+0x34/0x70
[  312.555425]  ? __switch_to_asm+0x40/0x70
[  312.559487]  ? __switch_to_asm+0x34/0x70
[  312.563548]  ? __switch_to_asm+0x34/0x70
[  312.567608]  ? __switch_to_asm+0x40/0x70
[  312.571664]  ? __switch_to_asm+0x34/0x70
[  312.575734]  bpf_clone_redirect+0xb9/0x490
[  312.579975]  ? __schedule+0x874/0x1ed0
[  312.583868]  bpf_prog_bebbfe2050753572+0x482/0x1000
[  312.588894]  ? __sched_text_start+0x8/0x8
[  312.593060]  ? find_held_lock+0x36/0x1c0
[  312.597152]  ? lock_acquire+0x1ed/0x520
[  312.601124]  ? bpf_test_run+0x32e/0x5a0
[  312.605283]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.610822]  ? check_preemption_disabled+0x48/0x200
[  312.615890]  ? kasan_check_read+0x11/0x20
[  312.620046]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  312.625321]  ? rcu_bh_qs+0xc0/0xc0
[  312.628862]  ? preempt_schedule+0x4d/0x60
[  312.633029]  ? ___preempt_schedule+0x16/0x18
[  312.637443]  ? bpf_test_run+0x1c0/0x5a0
[  312.641433]  ? netlink_diag_dump+0x2a0/0x2a0
[  312.645846]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  312.651381]  ? bpf_test_init.isra.9+0x70/0x100
[  312.655981]  ? bpf_prog_test_run_skb+0x634/0xb40
[  312.660756]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  312.665597]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  312.671140]  ? fput+0x130/0x1a0
[  312.674448]  ? __bpf_prog_get+0x9b/0x290
[  312.678511]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  312.683366]  ? bpf_prog_test_run+0x130/0x1a0
[  312.687786]  ? __x64_sys_bpf+0x3d8/0x510
[  312.691860]  ? bpf_prog_get+0x20/0x20
[  312.695670]  ? ksys_ioctl+0x81/0xd0
[  312.699305]  ? do_syscall_64+0x1b9/0x820
[  312.703362]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  312.708743]  ? syscall_return_slowpath+0x5e0/0x5e0
[  312.713672]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  312.718522]  ? trace_hardirqs_off+0x300/0x300
[  312.723025]  ? prepare_exit_to_usermode+0x291/0x3b0
[  312.728045]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  312.732908]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  312.738298] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
[  312.738398] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  312.745061] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  312.745070] Call Trace:
[  312.751650] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  312.760903]  dump_stack+0x1c4/0x2b4
[  312.763474] syz-executor1 cpuset=
[  312.773951]  ? dump_stack_print_info.cold.2+0x52/0x52
[  312.777554] syz1
[  312.781023]  warn_alloc.cold.118+0xb7/0x1bd
[  312.786185]  mems_allowed=0
[  312.788155]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  312.800228]  ? lock_downgrade+0x900/0x900
[  312.804392]  ? trace_hardirqs_off+0xb8/0x300
[  312.808833]  ? trace_hardirqs_off+0xb8/0x300
[  312.813246]  __alloc_pages_slowpath+0x2667/0x2d80
[  312.818130]  ? warn_alloc+0x120/0x120
[  312.821944]  ? warn_alloc+0x120/0x120
[  312.825750]  ? print_usage_bug+0xc0/0xc0
[  312.829809]  ? warn_alloc+0x120/0x120
[  312.833610]  ? print_usage_bug+0xc0/0xc0
[  312.837673]  ? __lock_acquire+0x7ec/0x4ec0
[  312.841904]  ? __lock_acquire+0x7ec/0x4ec0
[  312.846143]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  312.851687]  ? should_fail+0x22d/0xd01
[  312.855579]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  312.860685]  ? __lock_acquire+0x7ec/0x4ec0
[  312.864931]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  312.870033]  ? __lock_acquire+0x7ec/0x4ec0
[  312.874265]  ? should_fail+0x22d/0xd01
[  312.878148]  ? print_usage_bug+0xc0/0xc0
[  312.882216]  ? mark_held_locks+0x130/0x130
[  312.886455]  ? mark_held_locks+0x130/0x130
[  312.890702]  ? graph_lock+0x170/0x170
[  312.894504]  ? print_usage_bug+0xc0/0xc0
[  312.898567]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  312.903326]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.908866]  ? check_preemption_disabled+0x48/0x200
[  312.913878]  ? check_preemption_disabled+0x48/0x200
[  312.918903]  ? __lock_is_held+0xb5/0x140
[  312.922974]  __alloc_pages_nodemask+0xa80/0xde0
[  312.927644]  ? graph_lock+0x170/0x170
[  312.931463]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  312.936493]  ? graph_lock+0x170/0x170
[  312.940306]  ? find_held_lock+0x36/0x1c0
[  312.944381]  ? ____cache_alloc_node+0x1c7/0x1e0
[  312.949053]  ? lock_downgrade+0x900/0x900
[  312.953223]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.958764]  cache_grow_begin+0x91/0x8c0
[  312.962824]  ? do_raw_spin_unlock+0xa7/0x2f0
[  312.967237]  fallback_alloc+0x203/0x2e0
[  312.971217]  ____cache_alloc_node+0x1c7/0x1e0
[  312.975718]  kmem_cache_alloc_node+0xe3/0x730
[  312.980229]  ? ipv6_get_ifaddr+0x42e/0x620
[  312.984473]  __alloc_skb+0x119/0x770
[  312.988191]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  312.993471]  ? skb_scrub_packet+0x490/0x490
[  312.997789]  ? lock_downgrade+0x900/0x900
[  313.001948]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.007501]  ? refcount_sub_and_test_checked+0x203/0x310
[  313.012954]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  313.018407]  ? addrconf_rs_timer+0x6f0/0x6f0
[  313.022847]  ndisc_alloc_skb+0x144/0x340
[  313.026922]  ndisc_send_rs+0x331/0x6e0
[  313.030833]  addrconf_rs_timer+0x3c0/0x6f0
[  313.035074]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  313.039323]  call_timer_fn+0x272/0x920
[  313.043211]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  313.047971]  ? process_timeout+0x40/0x40
[  313.052031]  ? find_held_lock+0x36/0x1c0
[  313.056124]  ? __run_timers+0x7da/0xc70
[  313.060105]  ? _raw_spin_unlock_irq+0x27/0x80
[  313.064599]  ? _raw_spin_unlock_irq+0x27/0x80
[  313.069093]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  313.073340]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  313.077923]  ? trace_hardirqs_on+0xbd/0x310
[  313.082243]  ? kasan_check_read+0x11/0x20
[  313.086433]  ? __run_timers+0x7da/0xc70
[  313.090421]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  313.095872]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  313.100121]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  313.104355]  __run_timers+0x7e5/0xc70
[  313.108176]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  313.113537]  ? compat_start_thread+0x80/0x80
[  313.117949]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.123494]  ? kasan_check_write+0x14/0x20
[  313.127731]  ? finish_task_switch+0x2f5/0x900
[  313.132224]  ? __switch_to_asm+0x40/0x70
[  313.136291]  ? preempt_notifier_register+0x200/0x200
[  313.141399]  ? __switch_to_asm+0x34/0x70
[  313.145460]  ? __switch_to_asm+0x40/0x70
[  313.149520]  ? __switch_to_asm+0x34/0x70
[  313.153780]  ? __switch_to_asm+0x40/0x70
[  313.157837]  ? __switch_to_asm+0x34/0x70
[  313.161896]  ? __switch_to_asm+0x40/0x70
[  313.165971]  ? pvclock_read_flags+0x160/0x160
[  313.170469]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.176011]  ? check_preemption_disabled+0x48/0x200
[  313.181039]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  313.186326]  ? rcu_pm_notify+0xc0/0xc0
[  313.190217]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.195754]  ? check_preemption_disabled+0x48/0x200
[  313.200792]  run_timer_softirq+0x52/0xb0
[  313.204862]  ? rcu_read_lock_sched_held+0x108/0x120
[  313.209881]  __do_softirq+0x30b/0xad8
[  313.213692]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  313.218803]  ? schedule+0x108/0x460
[  313.222438]  ? __schedule+0x1ed0/0x1ed0
[  313.226425]  ? trace_hardirqs_off+0xb8/0x300
[  313.230835]  ? ___might_sleep+0x1ed/0x300
[  313.234979]  ? smpboot_thread_fn+0x68b/0xa00
[  313.239389]  ? trace_hardirqs_on+0x310/0x310
[  313.243817]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  313.249377]  ? check_preemption_disabled+0x48/0x200
[  313.254402]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.259952]  ? takeover_tasklets+0xa90/0xa90
[  313.264363]  run_ksoftirqd+0x94/0x100
[  313.268165]  smpboot_thread_fn+0x68b/0xa00
[  313.272402]  ? sort_range+0x30/0x30
[  313.276037]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  313.281140]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  313.286679]  ? __kthread_parkme+0xfb/0x1a0
[  313.290922]  kthread+0x35a/0x420
[  313.294289]  ? sort_range+0x30/0x30
[  313.297918]  ? kthread_bind+0x40/0x40
[  313.301727]  ret_from_fork+0x3a/0x50
[  313.305464] CPU: 1 PID: 10110 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
[  313.305470] warn_alloc_show_mem: 1 callbacks suppressed
[  313.305477] Mem-Info:
[  313.312760] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  313.318128] active_anon:39159 inactive_anon:1633 isolated_anon:0
[  313.318128]  active_file:15 inactive_file:16 isolated_file:0
[  313.318128]  unevictable:0 dirty:0 writeback:0 unstable:0
[  313.318128]  slab_reclaimable:8773 slab_unreclaimable:1470459
[  313.318128]  mapped:49330 shmem:1666 pagetables:630 bounce:0
[  313.318128]  free:13723 free_pcp:275 free_cma:0
[  313.320513] Call Trace:
[  313.329902] Node 0 active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197320kB dirty:0kB writeback:0kB shmem:6664kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  313.362928]  <IRQ>
[  313.365504] Node 0 
[  313.393168]  dump_stack+0x1c4/0x2b4
[  313.395321] 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
[  313.397527]  ? dump_stack_print_info.cold.2+0x52/0x52
[  313.401140] lowmem_reserve[]:
[  313.426645]  warn_alloc.cold.118+0xb7/0x1bd
[  313.431800]  0
[  313.434903]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  313.439202]  2817
[  313.440999]  ? lock_downgrade+0x900/0x900
[  313.445816]  6321
[  313.447878]  ? trace_hardirqs_off+0xb8/0x300
[  313.451998]  6321
[  313.454057]  ? trace_hardirqs_off+0xb8/0x300
[  313.458444] Node 0 
[  313.460522]  __alloc_pages_slowpath+0x2667/0x2d80
[  313.464923] DMA32 free:25172kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  313.467164]  ? warn_alloc+0x120/0x120
[  313.471959] lowmem_reserve[]:
[  313.498670]  ? trace_hardirqs_on+0x310/0x310
[  313.502451]  0
[  313.505551]  ? warn_alloc+0x120/0x120
[  313.509939]  0
[  313.511741]  ? print_usage_bug+0xc0/0xc0
[  313.515519]  3503
[  313.517317]  ? warn_alloc+0x120/0x120
[  313.521354]  3503
[  313.523420]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  313.529258]  ? print_usage_bug+0xc0/0xc0
[  313.534252] Node 0 Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5408kB pagetables:2520kB bounce:0kB free_pcp:852kB local_pcp:604kB free_cma:0kB
[  313.538333]  ? __lock_acquire+0x7ec/0x4ec0
[  313.538349]  ? __lock_acquire+0x7ec/0x4ec0
[  313.567300] lowmem_reserve[]:
[  313.571547]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  313.575759]  0
[  313.578861]  ? should_fail+0x22d/0xd01
[  313.584370]  0
[  313.586187]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  313.590058]  0
[  313.591861]  ? __lock_acquire+0x7ec/0x4ec0
[  313.596937]  0
[  313.598758]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  313.602964] Node 0 
[  313.604762]  ? __lock_acquire+0x7ec/0x4ec0
[  313.609840] DMA: 
[  313.612075]  ? should_fail+0x22d/0xd01
[  313.616310] 1*4kB 
[  313.618365]  ? print_usage_bug+0xc0/0xc0
[  313.622229] (U) 
[  313.624381]  ? mark_held_locks+0x130/0x130
[  313.628421] 0*8kB 
[  313.630432]  ? mark_held_locks+0x130/0x130
[  313.634648] 0*16kB 
[  313.636798]  ? graph_lock+0x170/0x170
[  313.641013] 1*32kB (U) 
[  313.643255]  ? print_usage_bug+0xc0/0xc0
[  313.647036] 2*64kB 
[  313.649618]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  313.653655] (U) 
[  313.655887]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.660621] 1*128kB 
[  313.662595]  ? check_preemption_disabled+0x48/0x200
[  313.668104] (U) 
[  313.670432]  ? check_preemption_disabled+0x48/0x200
[  313.675430] 1*256kB 
[  313.677409]  ? __lock_is_held+0xb5/0x140
[  313.682386] (U) 0*512kB 1*1024kB 
[  313.684727]  __alloc_pages_nodemask+0xa80/0xde0
[  313.688766] (U) 
[  313.692210]  ? graph_lock+0x170/0x170
[  313.696850] 1*2048kB (M) 
[  313.698836]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  313.702612] 3*4096kB 
[  313.705366]  ? graph_lock+0x170/0x170
[  313.710356] (M) 
[  313.712767]  ? find_held_lock+0x36/0x1c0
[  313.716540] = 15908kB
[  313.718515]  ? ____cache_alloc_node+0x1c7/0x1e0
[  313.722545] Node 0 
[  313.724962]  ? lock_downgrade+0x900/0x900
[  313.729604] DMA32: 3*4kB 
[  313.731864]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.735983] (UM) 
[  313.738743]  cache_grow_begin+0x91/0x8c0
[  313.744253] 1*8kB (U) 
[  313.746325]  ? do_raw_spin_unlock+0xa7/0x2f0
[  313.750365] 4*16kB 
[  313.752870]  fallback_alloc+0x203/0x2e0
[  313.757251] (UM) 
[  313.759487]  ____cache_alloc_node+0x1c7/0x1e0
[  313.763446] 2*32kB 
[  313.765507]  kmem_cache_alloc_node+0xe3/0x730
[  313.769979] (UM) 
[  313.772213]  ? ipv6_get_ifaddr+0x42e/0x620
[  313.776677] 3*64kB (UM) 
[  313.778750]  __alloc_skb+0x119/0x770
[  313.782952] 4*128kB (UM) 
[  313.785632]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  313.789316] 3*256kB 
[  313.792069]  ? skb_scrub_packet+0x490/0x490
[  313.797331] (UM) 
[  313.799651]  ? lock_downgrade+0x900/0x900
[  313.803950] 4*512kB 
[  313.806017]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.810140] (UM) 
[  313.812460]  ? refcount_sub_and_test_checked+0x203/0x310
[  313.817969] 3*1024kB 
[  313.820026]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  313.825457] (M) 
[  313.827868]  ? addrconf_rs_timer+0x6f0/0x6f0
[  313.833296] 3*2048kB (UM) 
[  313.835310]  ndisc_alloc_skb+0x144/0x340
[  313.839679] 3*4096kB (M) 
[  313.842548]  ndisc_send_rs+0x331/0x6e0
[  313.846579] = 25172kB
[  313.846600] Node 0 
[  313.849359]  addrconf_rs_timer+0x3c0/0x6f0
[  313.853216] Normal: 979*4kB 
[  313.855634]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  313.857858] (ME) 
[  313.862096]  call_timer_fn+0x272/0x920
[  313.865083] 483*8kB 
[  313.869340]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  313.871379] (UME) 
[  313.875270]  ? process_timeout+0x40/0x40
[  313.877579] 201*16kB (ME) 
[  313.881828]  ? find_held_lock+0x36/0x1c0
[  313.883953] 59*32kB 
[  313.888014]  ? __run_timers+0x7da/0xc70
[  313.890829] (UME) 
[  313.894901]  ? _raw_spin_unlock_irq+0x27/0x80
[  313.897198] 15*64kB (UM) 
[  313.901172]  ? _raw_spin_unlock_irq+0x27/0x80
[  313.903298] 0*128kB 0*256kB 
[  313.908009]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  313.910766] 0*512kB 0*1024kB 
[  313.915267]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  313.918256] 0*2048kB 0*4096kB 
[  313.922497]  ? trace_hardirqs_on+0xbd/0x310
[  313.925585] = 13844kB
[  313.930165]  ? kasan_check_read+0x11/0x20
[  313.933339] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  313.937646]  ? __run_timers+0x7da/0xc70
[  313.940043] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  313.944187]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  313.953000] 1697 total pagecache pages
[  313.956975]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  313.965535] 0 pages in swap cache
[  313.970976]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  313.974840] Swap cache stats: add 0, delete 0, find 0/0
[  313.974849] Free swap  = 0kB
[  313.979080]  __run_timers+0x7e5/0xc70
[  313.982513] Total swap = 0kB
[  313.986773]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  313.992128] 1965979 pages RAM
[  313.995145]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  313.998924] 0 pages HighMem/MovableOnly
[  314.001948]  ? rcu_bh_qs+0xc0/0xc0
[  314.007285] 342744 pages reserved
[  314.007294] 0 pages cma reserved
[  314.010401]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.015727] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  314.019612]  ? check_preemption_disabled+0x48/0x200
[  314.019637]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  314.019657]  ? retint_kernel+0x2d/0x2d
[  314.023304] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  314.026621]  ? trace_hardirqs_on_caller+0xc0/0x300
[  314.029963] ksoftirqd/0 cpuset=
[  314.035499]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  314.041969] /
[  314.046993]  ? trace_hardirqs_off_caller+0x300/0x300
[  314.051747]  mems_allowed=0
[  314.055724]  ? check_preemption_disabled+0x48/0x200
[  314.093706]  ? graph_lock+0x170/0x170
[  314.097513]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.103057]  ? check_preemption_disabled+0x48/0x200
[  314.108082]  ? __lock_is_held+0xb5/0x140
[  314.112149]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.117688]  ? check_preemption_disabled+0x48/0x200
[  314.122716]  run_timer_softirq+0x52/0xb0
[  314.126782]  ? rcu_read_lock_sched_held+0x108/0x120
[  314.131805]  __do_softirq+0x30b/0xad8
[  314.135630]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  314.140740]  ? pvclock_read_flags+0x160/0x160
[  314.145244]  ? lapic_next_event+0x5a/0x90
[  314.149398]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.154949]  ? check_preemption_disabled+0x48/0x200
[  314.159962]  ? check_preemption_disabled+0x48/0x200
[  314.165000]  ? kvm_clock_read+0x18/0x30
[  314.168977]  ? kvm_sched_clock_read+0x9/0x20
[  314.173392]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.178949]  ? check_preemption_disabled+0x48/0x200
[  314.183979]  irq_exit+0x17f/0x1c0
[  314.187438]  smp_apic_timer_interrupt+0x1cb/0x760
[  314.192282]  ? smp_reschedule_interrupt+0x109/0x650
[  314.197304]  ? smp_call_function_single_interrupt+0x650/0x650
[  314.203211]  ? interrupt_entry+0xb5/0xf0
[  314.207280]  ? trace_hardirqs_off_caller+0xbb/0x300
[  314.212406]  ? trace_hardirqs_off_caller+0xbb/0x300
[  314.217427]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  314.222270]  ? trace_hardirqs_off+0x300/0x300
[  314.226767]  ? trace_hardirqs_off+0x300/0x300
[  314.231260]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.236800]  ? check_preemption_disabled+0x48/0x200
[  314.241841]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.247384]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  314.252354]  apic_timer_interrupt+0xf/0x20
[  314.256580]  </IRQ>
[  314.258824] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  314.263754] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 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 9a 42
[  314.283027] RSP: 0018:ffff88019cfa7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  314.290737] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  314.298007] RDX: 0000000000000000 RSI: ffff88019d338900 RDI: 0000000000000282
[  314.305270] RBP: ffff88019cfa77b0 R08: ffff88019d338080 R09: 0000000000000000
[  314.312535] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  314.319805] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  314.327108]  skb_clone+0x1bb/0x500
[  314.330649]  ? finish_task_switch+0x2f5/0x900
[  314.335144]  ? skb_split+0x11e0/0x11e0
[  314.339033]  ? preempt_notifier_register+0x200/0x200
[  314.344132]  ? __switch_to_asm+0x34/0x70
[  314.348189]  ? __switch_to_asm+0x34/0x70
[  314.352245]  ? __switch_to_asm+0x40/0x70
[  314.356298]  ? __switch_to_asm+0x34/0x70
[  314.360351]  ? __switch_to_asm+0x40/0x70
[  314.364410]  ? __switch_to_asm+0x34/0x70
[  314.368466]  ? __switch_to_asm+0x40/0x70
[  314.372523]  ? __switch_to_asm+0x34/0x70
[  314.376584]  ? __switch_to_asm+0x34/0x70
[  314.380642]  ? __switch_to_asm+0x40/0x70
[  314.384702]  ? __switch_to_asm+0x34/0x70
[  314.388766]  bpf_clone_redirect+0xb9/0x490
[  314.393000]  ? __schedule+0x874/0x1ed0
[  314.396888]  bpf_prog_bebbfe2050753572+0x482/0x1000
[  314.401936]  ? __sched_text_start+0x8/0x8
[  314.406092]  ? find_held_lock+0x36/0x1c0
[  314.410154]  ? lock_acquire+0x1ed/0x520
[  314.414119]  ? bpf_test_run+0x32e/0x5a0
[  314.418085]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.423615]  ? check_preemption_disabled+0x48/0x200
[  314.428633]  ? kasan_check_read+0x11/0x20
[  314.432781]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  314.438066]  ? rcu_bh_qs+0xc0/0xc0
[  314.441629]  ? preempt_schedule+0x4d/0x60
[  314.445773]  ? ___preempt_schedule+0x16/0x18
[  314.450190]  ? bpf_test_run+0x1c0/0x5a0
[  314.454192]  ? netlink_diag_dump+0x2a0/0x2a0
[  314.458598]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  314.464172]  ? bpf_test_init.isra.9+0x70/0x100
[  314.468771]  ? bpf_prog_test_run_skb+0x634/0xb40
[  314.473555]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  314.478395]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  314.483939]  ? fput+0x130/0x1a0
[  314.487236]  ? __bpf_prog_get+0x9b/0x290
[  314.491303]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  314.496145]  ? bpf_prog_test_run+0x130/0x1a0
[  314.500556]  ? __x64_sys_bpf+0x3d8/0x510
[  314.504617]  ? bpf_prog_get+0x20/0x20
[  314.508431]  ? ksys_ioctl+0x81/0xd0
[  314.512073]  ? do_syscall_64+0x1b9/0x820
[  314.516136]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  314.521538]  ? syscall_return_slowpath+0x5e0/0x5e0
[  314.526468]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  314.531314]  ? trace_hardirqs_off+0x300/0x300
[  314.535814]  ? prepare_exit_to_usermode+0x291/0x3b0
[  314.540836]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  314.545689]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  314.551070] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
[  314.551157] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  314.557831] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  314.557837] Call Trace:
[  314.557855]  dump_stack+0x1c4/0x2b4
[  314.557872]  ? dump_stack_print_info.cold.2+0x52/0x52
[  314.557900]  warn_alloc.cold.118+0xb7/0x1bd
[  314.564435] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  314.573728]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  314.576289] syz-executor1 cpuset=
[  314.579921]  ? lock_downgrade+0x900/0x900
[  314.585087] syz1
[  314.589420]  ? trace_hardirqs_off+0xb8/0x300
[  314.599881]  mems_allowed=0
[  314.604716]  ? trace_hardirqs_off+0xb8/0x300
[  314.625966]  __alloc_pages_slowpath+0x2667/0x2d80
[  314.630834]  ? warn_alloc+0x120/0x120
[  314.634642]  ? warn_alloc+0x120/0x120
[  314.638445]  ? print_usage_bug+0xc0/0xc0
[  314.642518]  ? warn_alloc+0x120/0x120
[  314.646320]  ? print_usage_bug+0xc0/0xc0
[  314.650393]  ? __lock_acquire+0x7ec/0x4ec0
[  314.654636]  ? __lock_acquire+0x7ec/0x4ec0
[  314.658874]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  314.664425]  ? should_fail+0x22d/0xd01
[  314.668310]  ? __lock_acquire+0x7ec/0x4ec0
[  314.672551]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  314.677658]  ? __lock_acquire+0x7ec/0x4ec0
[  314.681895]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  314.687009]  ? __lock_acquire+0x7ec/0x4ec0
[  314.691239]  ? should_fail+0x22d/0xd01
[  314.695137]  ? mark_held_locks+0x130/0x130
[  314.699377]  ? mark_held_locks+0x130/0x130
[  314.703628]  ? graph_lock+0x170/0x170
[  314.707431]  ? print_usage_bug+0xc0/0xc0
[  314.711507]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.717045]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.722582]  ? check_preemption_disabled+0x48/0x200
[  314.727599]  ? check_preemption_disabled+0x48/0x200
[  314.732626]  ? __lock_is_held+0xb5/0x140
[  314.736697]  __alloc_pages_nodemask+0xa80/0xde0
[  314.741363]  ? graph_lock+0x170/0x170
[  314.745185]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  314.750196]  ? graph_lock+0x170/0x170
[  314.754003]  ? find_held_lock+0x36/0x1c0
[  314.758072]  ? ____cache_alloc_node+0x1c7/0x1e0
[  314.762741]  ? lock_downgrade+0x900/0x900
[  314.766912]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.772458]  cache_grow_begin+0x91/0x8c0
[  314.776518]  ? do_raw_spin_unlock+0xa7/0x2f0
[  314.780934]  fallback_alloc+0x203/0x2e0
[  314.784913]  ____cache_alloc_node+0x1c7/0x1e0
[  314.789422]  kmem_cache_alloc_node+0xe3/0x730
[  314.793921]  ? ipv6_get_ifaddr+0x42e/0x620
[  314.798177]  __alloc_skb+0x119/0x770
[  314.801891]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  314.807173]  ? skb_scrub_packet+0x490/0x490
[  314.811494]  ? lock_downgrade+0x900/0x900
[  314.815661]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.821197]  ? refcount_sub_and_test_checked+0x203/0x310
[  314.826656]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  314.832110]  ? addrconf_rs_timer+0x6f0/0x6f0
[  314.836532]  ndisc_alloc_skb+0x144/0x340
[  314.840610]  ndisc_send_rs+0x331/0x6e0
[  314.844526]  addrconf_rs_timer+0x3c0/0x6f0
[  314.848766]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  314.853027]  call_timer_fn+0x272/0x920
[  314.856922]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  314.861158]  ? process_timeout+0x40/0x40
[  314.865223]  ? find_held_lock+0x36/0x1c0
[  314.869375]  ? __run_timers+0x7da/0xc70
[  314.873364]  ? _raw_spin_unlock_irq+0x27/0x80
[  314.877866]  ? _raw_spin_unlock_irq+0x27/0x80
[  314.882358]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  314.886598]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  314.891179]  ? trace_hardirqs_on+0xbd/0x310
[  314.895526]  ? kasan_check_read+0x11/0x20
[  314.899677]  ? __run_timers+0x7da/0xc70
[  314.903653]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  314.909444]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  314.913685]  __run_timers+0x7e5/0xc70
[  314.917501]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  314.922863]  ? compat_start_thread+0x80/0x80
[  314.927279]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.932824]  ? kasan_check_write+0x14/0x20
[  314.937061]  ? finish_task_switch+0x2f5/0x900
[  314.941556]  ? __switch_to_asm+0x40/0x70
[  314.945624]  ? preempt_notifier_register+0x200/0x200
[  314.950728]  ? __switch_to_asm+0x34/0x70
[  314.954786]  ? __switch_to_asm+0x40/0x70
[  314.958855]  ? __switch_to_asm+0x34/0x70
[  314.962927]  ? __switch_to_asm+0x40/0x70
[  314.966982]  ? __switch_to_asm+0x34/0x70
[  314.971043]  ? __switch_to_asm+0x40/0x70
[  314.975115]  ? pvclock_read_flags+0x160/0x160
[  314.979612]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.985149]  ? check_preemption_disabled+0x48/0x200
[  314.990191]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  314.995469]  ? rcu_pm_notify+0xc0/0xc0
[  314.999355]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.004944]  ? check_preemption_disabled+0x48/0x200
[  315.009967]  run_timer_softirq+0x52/0xb0
[  315.014027]  ? rcu_read_lock_sched_held+0x108/0x120
[  315.019042]  __do_softirq+0x30b/0xad8
[  315.022850]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  315.027960]  ? schedule+0x108/0x460
[  315.031604]  ? __schedule+0x1ed0/0x1ed0
[  315.035581]  ? trace_hardirqs_off+0xb8/0x300
[  315.040004]  ? ___might_sleep+0x1ed/0x300
[  315.044662]  ? smpboot_thread_fn+0x68b/0xa00
[  315.049083]  ? trace_hardirqs_on+0x310/0x310
[  315.053491]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  315.059039]  ? check_preemption_disabled+0x48/0x200
[  315.064049]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.069588]  ? takeover_tasklets+0xa90/0xa90
[  315.073998]  run_ksoftirqd+0x94/0x100
[  315.077810]  smpboot_thread_fn+0x68b/0xa00
[  315.082047]  ? sort_range+0x30/0x30
[  315.085674]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  315.090778]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  315.096314]  ? __kthread_parkme+0xfb/0x1a0
[  315.100557]  kthread+0x35a/0x420
[  315.103936]  ? sort_range+0x30/0x30
[  315.107559]  ? kthread_bind+0x40/0x40
[  315.111361]  ret_from_fork+0x3a/0x50
[  315.115102] CPU: 1 PID: 10110 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
[  315.115108] warn_alloc_show_mem: 1 callbacks suppressed
[  315.115116] Mem-Info:
[  315.122396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  315.122405] Call Trace:
[  315.127783] active_anon:39159 inactive_anon:1633 isolated_anon:0
[  315.127783]  active_file:15 inactive_file:16 isolated_file:0
[  315.127783]  unevictable:0 dirty:0 writeback:0 unstable:0
[  315.127783]  slab_reclaimable:8773 slab_unreclaimable:1470459
[  315.127783]  mapped:49330 shmem:1666 pagetables:630 bounce:0
[  315.127783]  free:13723 free_pcp:275 free_cma:0
[  315.130162]  <IRQ>
[  315.139542] Node 0 active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197320kB dirty:0kB writeback:0kB shmem:6664kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  315.142135]  dump_stack+0x1c4/0x2b4
[  315.175330] Node 0 
[  315.177633]  ? dump_stack_print_info.cold.2+0x52/0x52
[  315.205307] 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
[  315.208926]  warn_alloc.cold.118+0xb7/0x1bd
[  315.211137] lowmem_reserve[]:
[  315.216321]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  315.241800]  0
[  315.246119]  ? lock_downgrade+0x900/0x900
[  315.249202]  2817
[  315.254040]  ? trace_hardirqs_off+0xb8/0x300
[  315.255814]  6321
[  315.259957]  ? trace_hardirqs_off+0xb8/0x300
[  315.261987]  6321
[  315.266405]  __alloc_pages_slowpath+0x2667/0x2d80
[  315.268438] Node 0 
[  315.272865]  ? warn_alloc+0x120/0x120
[  315.274910] DMA32 free:25172kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  315.279720]  ? warn_alloc+0x120/0x120
[  315.281930] lowmem_reserve[]:
[  315.285726]  ? print_usage_bug+0xc0/0xc0
[  315.312442]  0
[  315.316234]  ? warn_alloc+0x120/0x120
[  315.319313]  0
[  315.323362]  ? print_usage_bug+0xc0/0xc0
[  315.325139]  3503
[  315.328952]  ? __lock_acquire+0x7ec/0x4ec0
[  315.330734]  3503
[  315.334803]  ? __lock_acquire+0x7ec/0x4ec0
[  315.336841] Node 0 
[  315.341082]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  315.343158] Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5408kB pagetables:2520kB bounce:0kB free_pcp:852kB local_pcp:604kB free_cma:0kB
[  315.347365]  ? should_fail+0x22d/0xd01
[  315.349568] lowmem_reserve[]: 0
[  315.355109]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  315.383452]  0
[  315.387330]  ? __lock_acquire+0x7ec/0x4ec0
[  315.390586]  0
[  315.395686]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  315.397462]  0
[  315.401689]  ? __lock_acquire+0x7ec/0x4ec0
[  315.403470] Node 0 
[  315.408564]  ? should_fail+0x22d/0xd01
[  315.408589]  ? mark_held_locks+0x130/0x130
[  315.410368] DMA: 
[  315.414601]  ? mark_held_locks+0x130/0x130
[  315.416815] 1*4kB 
[  315.420696]  ? graph_lock+0x170/0x170
[  315.424924] (U) 
[  315.426977]  ? graph_lock+0x170/0x170
[  315.431193] 0*8kB 
[  315.433335]  ? graph_lock+0x170/0x170
[  315.437110] 0*16kB 1*32kB 
[  315.439087]  ? print_usage_bug+0xc0/0xc0
[  315.442866] (U) 
[  315.445024]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.448790] 2*64kB (U) 
[  315.451641]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.455682] 1*128kB 
[  315.457666]  ? check_preemption_disabled+0x48/0x200
[  315.463200] (U) 
[  315.465777]  ? check_preemption_disabled+0x48/0x200
[  315.471284] 1*256kB (U) 
[  315.473635]  ? __lock_is_held+0xb5/0x140
[  315.478623] 0*512kB 
[  315.480596]  __alloc_pages_nodemask+0xa80/0xde0
[  315.485585] 1*1024kB 
[  315.488247]  ? graph_lock+0x170/0x170
[  315.492284] (U) 
[  315.494602]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  315.499238] 1*2048kB (M) 
[  315.501688]  ? graph_lock+0x170/0x170
[  315.505467] 3*4096kB 
[  315.507443]  ? find_held_lock+0x36/0x1c0
[  315.512429] (M) 
[  315.515201]  ? ____cache_alloc_node+0x1c7/0x1e0
[  315.518988] = 15908kB
[  315.518997] Node 0 
[  315.521408]  ? lock_downgrade+0x900/0x900
[  315.525455] DMA32: 
[  315.527431]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.532072] 3*4kB 
[  315.534477]  cache_grow_begin+0x91/0x8c0
[  315.536685] (UM) 
[  315.540824]  ? do_raw_spin_unlock+0xa7/0x2f0
[  315.543033] 1*8kB 
[  315.548564]  fallback_alloc+0x203/0x2e0
[  315.550684] (U) 4*16kB 
[  315.554752]  ____cache_alloc_node+0x1c7/0x1e0
[  315.556786] (UM) 
[  315.561187]  kmem_cache_alloc_node+0xe3/0x730
[  315.563313] 2*32kB 
[  315.567294]  ? ipv6_get_ifaddr+0x42e/0x620
[  315.569854] (UM) 
[  315.574348]  __alloc_skb+0x119/0x770
[  315.576379] 3*64kB 
[  315.580877]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  315.583086] (UM) 
[  315.587313]  ? skb_scrub_packet+0x490/0x490
[  315.589367] 4*128kB 
[  315.593107]  ? lock_downgrade+0x900/0x900
[  315.595336] (UM) 
[  315.600609]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.602645] 3*256kB (UM) 
[  315.606969]  ? refcount_sub_and_test_checked+0x203/0x310
[  315.609260] 4*512kB (UM) 
[  315.613413]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  315.615452] 3*1024kB (M) 
[  315.620994]  ? addrconf_rs_timer+0x6f0/0x6f0
[  315.623751] 3*2048kB (UM) 
[  315.629238]  ndisc_alloc_skb+0x144/0x340
[  315.631986] 3*4096kB (M) 
[  315.637442]  ndisc_send_rs+0x331/0x6e0
[  315.640179] = 25172kB
[  315.644617]  addrconf_rs_timer+0x3c0/0x6f0
[  315.647438] Node 0 
[  315.651509]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  315.654250] Normal: 979*4kB 
[  315.658153]  call_timer_fn+0x272/0x920
[  315.660532] (ME) 
[  315.664760]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  315.666968] 483*8kB (UME) 
[  315.671207]  ? process_timeout+0x40/0x40
[  315.674198] 201*16kB 
[  315.678076]  ? find_held_lock+0x36/0x1c0
[  315.678100]  ? __run_timers+0x7da/0xc70
[  315.680137] (ME) 
[  315.684372]  ? _raw_spin_unlock_irq+0x27/0x80
[  315.687190] 59*32kB 
[  315.691274]  ? _raw_spin_unlock_irq+0x27/0x80
[  315.693662] (UME) 
[  315.697722]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  315.701671] 15*64kB 
[  315.703733]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  315.708203] (UM) 
[  315.710563]  ? trace_hardirqs_on+0xbd/0x310
[  315.715054] 0*128kB 0*256kB 
[  315.717223]  ? kasan_check_read+0x11/0x20
[  315.721431] 0*512kB 0*1024kB 
[  315.723764]  ? __run_timers+0x7da/0xc70
[  315.728314] 0*2048kB 0*4096kB 
[  315.730396]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  315.734676] = 13844kB
[  315.734691] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  315.737703]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  315.741828] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  315.744932]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  315.748878] 1697 total pagecache pages
[  315.752070]  __run_timers+0x7e5/0xc70
[  315.757503] 0 pages in swap cache
[  315.759919]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  315.768720] Swap cache stats: add 0, delete 0, find 0/0
[  315.772956]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  315.781501] Free swap  = 0kB
[  315.785730]  ? rcu_bh_qs+0xc0/0xc0
[  315.789601] Total swap = 0kB
[  315.793404]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.796827] 1965979 pages RAM
[  315.802187]  ? check_preemption_disabled+0x48/0x200
[  315.807518] 0 pages HighMem/MovableOnly
[  315.807527] 342744 pages reserved
[  315.812820]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  315.815810] 0 pages cma reserved
[  315.819351]  ? retint_kernel+0x2d/0x2d
[  315.822439] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  315.827877]  ? trace_hardirqs_on_caller+0xc0/0x300
[  315.827893]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  315.827919]  ? trace_hardirqs_off_caller+0x300/0x300
[  315.831071] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  315.836023]  ? check_preemption_disabled+0x48/0x200
[  315.839982] ksoftirqd/0 cpuset=
[  315.843427]  ? graph_lock+0x170/0x170
[  315.843447]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.848182] /
[  315.851547]  ? check_preemption_disabled+0x48/0x200
[  315.855424]  mems_allowed=0
[  315.861933]  ? __lock_is_held+0xb5/0x140
[  315.918465]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.924004]  ? check_preemption_disabled+0x48/0x200
[  315.929035]  run_timer_softirq+0x52/0xb0
[  315.933097]  ? rcu_read_lock_sched_held+0x108/0x120
[  315.938238]  __do_softirq+0x30b/0xad8
[  315.942051]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  315.947290]  ? pvclock_read_flags+0x160/0x160
[  315.952013]  ? lapic_next_event+0x5a/0x90
[  315.956402]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.962044]  ? check_preemption_disabled+0x48/0x200
[  315.967182]  ? check_preemption_disabled+0x48/0x200
[  315.972231]  ? kvm_clock_read+0x18/0x30
[  315.976334]  ? kvm_sched_clock_read+0x9/0x20
[  315.980743]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.986284]  ? check_preemption_disabled+0x48/0x200
[  315.991471]  irq_exit+0x17f/0x1c0
[  315.995064]  smp_apic_timer_interrupt+0x1cb/0x760
[  315.999907]  ? smp_reschedule_interrupt+0x109/0x650
[  316.005053]  ? smp_call_function_single_interrupt+0x650/0x650
[  316.011092]  ? interrupt_entry+0xb5/0xf0
[  316.015155]  ? trace_hardirqs_off_caller+0xbb/0x300
[  316.020172]  ? trace_hardirqs_off_caller+0xbb/0x300
[  316.025454]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  316.030535]  ? trace_hardirqs_off+0x300/0x300
[  316.035242]  ? trace_hardirqs_off+0x300/0x300
[  316.039989]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.045732]  ? check_preemption_disabled+0x48/0x200
[  316.050896]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.056466]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  316.061432]  apic_timer_interrupt+0xf/0x20
[  316.065667]  </IRQ>
[  316.067952] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  316.072886] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 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 9a 42
[  316.092126] RSP: 0018:ffff88019cfa7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  316.100090] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  316.107618] RDX: 0000000000000000 RSI: ffff88019d338900 RDI: 0000000000000282
[  316.114903] RBP: ffff88019cfa77b0 R08: ffff88019d338080 R09: 0000000000000000
[  316.122204] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  316.129487] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  316.136834]  skb_clone+0x1bb/0x500
[  316.140389]  ? finish_task_switch+0x2f5/0x900
[  316.144900]  ? skb_split+0x11e0/0x11e0
[  316.148794]  ? preempt_notifier_register+0x200/0x200
[  316.153908]  ? __switch_to_asm+0x34/0x70
[  316.157982]  ? __switch_to_asm+0x34/0x70
[  316.162039]  ? __switch_to_asm+0x40/0x70
[  316.166093]  ? __switch_to_asm+0x34/0x70
[  316.170164]  ? __switch_to_asm+0x40/0x70
[  316.174225]  ? __switch_to_asm+0x34/0x70
[  316.178281]  ? __switch_to_asm+0x40/0x70
[  316.182339]  ? __switch_to_asm+0x34/0x70
[  316.186399]  ? __switch_to_asm+0x34/0x70
[  316.190459]  ? __switch_to_asm+0x40/0x70
[  316.194522]  ? __switch_to_asm+0x34/0x70
[  316.198591]  bpf_clone_redirect+0xb9/0x490
[  316.202832]  ? __schedule+0x874/0x1ed0
[  316.206725]  bpf_prog_bebbfe2050753572+0x482/0x1000
[  316.211743]  ? __sched_text_start+0x8/0x8
[  316.215904]  ? find_held_lock+0x36/0x1c0
[  316.219977]  ? lock_acquire+0x1ed/0x520
[  316.223950]  ? bpf_test_run+0x32e/0x5a0
[  316.227930]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.233484]  ? check_preemption_disabled+0x48/0x200
[  316.238510]  ? kasan_check_read+0x11/0x20
[  316.242661]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  316.247947]  ? rcu_bh_qs+0xc0/0xc0
[  316.251491]  ? preempt_schedule+0x4d/0x60
[  316.255640]  ? ___preempt_schedule+0x16/0x18
[  316.260083]  ? bpf_test_run+0x1c0/0x5a0
[  316.264070]  ? netlink_diag_dump+0x2a0/0x2a0
[  316.268482]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  316.274019]  ? bpf_test_init.isra.9+0x70/0x100
[  316.278605]  ? bpf_prog_test_run_skb+0x634/0xb40
[  316.283371]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  316.288212]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  316.293746]  ? fput+0x130/0x1a0
[  316.297025]  ? __bpf_prog_get+0x9b/0x290
[  316.301101]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  316.305950]  ? bpf_prog_test_run+0x130/0x1a0
[  316.310362]  ? __x64_sys_bpf+0x3d8/0x510
[  316.314423]  ? bpf_prog_get+0x20/0x20
[  316.318233]  ? ksys_ioctl+0x81/0xd0
[  316.321872]  ? do_syscall_64+0x1b9/0x820
[  316.325942]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  316.331312]  ? syscall_return_slowpath+0x5e0/0x5e0
[  316.336240]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  316.341085]  ? trace_hardirqs_off+0x300/0x300
[  316.345587]  ? prepare_exit_to_usermode+0x291/0x3b0
[  316.350608]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  316.355464]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  316.360857] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
[  316.361005] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  316.367651] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  316.367657] Call Trace:
[  316.367682]  dump_stack+0x1c4/0x2b4
[  316.367699]  ? dump_stack_print_info.cold.2+0x52/0x52
[  316.367727]  warn_alloc.cold.118+0xb7/0x1bd
[  316.374255] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  316.383540]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  316.386102] syz-executor1 cpuset=
[  316.389726]  ? lock_downgrade+0x900/0x900
[  316.394888] syz1
[  316.399205]  ? trace_hardirqs_off+0xb8/0x300
[  316.409672]  mems_allowed=0
[  316.414509]  ? trace_hardirqs_off+0xb8/0x300
[  316.435793]  __alloc_pages_slowpath+0x2667/0x2d80
[  316.440668]  ? warn_alloc+0x120/0x120
[  316.444474]  ? warn_alloc+0x120/0x120
[  316.448277]  ? print_usage_bug+0xc0/0xc0
[  316.452338]  ? warn_alloc+0x120/0x120
[  316.456140]  ? print_usage_bug+0xc0/0xc0
[  316.460205]  ? __lock_acquire+0x7ec/0x4ec0
[  316.464444]  ? __lock_acquire+0x7ec/0x4ec0
[  316.468696]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  316.474235]  ? should_fail+0x22d/0xd01
[  316.478141]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  316.483341]  ? __lock_acquire+0x7ec/0x4ec0
[  316.487580]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  316.492679]  ? __lock_acquire+0x7ec/0x4ec0
[  316.496909]  ? should_fail+0x22d/0xd01
[  316.500805]  ? mark_held_locks+0x130/0x130
[  316.505042]  ? mark_held_locks+0x130/0x130
[  316.509287]  ? graph_lock+0x170/0x170
[  316.513086]  ? graph_lock+0x170/0x170
[  316.516905]  ? graph_lock+0x170/0x170
[  316.520705]  ? print_usage_bug+0xc0/0xc0
[  316.524766]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.530301]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.535843]  ? check_preemption_disabled+0x48/0x200
[  316.540858]  ? check_preemption_disabled+0x48/0x200
[  316.545882]  ? __lock_is_held+0xb5/0x140
[  316.549972]  __alloc_pages_nodemask+0xa80/0xde0
[  316.554644]  ? graph_lock+0x170/0x170
[  316.558455]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  316.563469]  ? graph_lock+0x170/0x170
[  316.567291]  ? find_held_lock+0x36/0x1c0
[  316.571364]  ? ____cache_alloc_node+0x1c7/0x1e0
[  316.576040]  ? lock_downgrade+0x900/0x900
[  316.580199]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.585743]  cache_grow_begin+0x91/0x8c0
[  316.589819]  ? do_raw_spin_unlock+0xa7/0x2f0
[  316.594242]  fallback_alloc+0x203/0x2e0
[  316.598223]  ____cache_alloc_node+0x1c7/0x1e0
[  316.602727]  kmem_cache_alloc_node+0xe3/0x730
[  316.607239]  ? ipv6_get_ifaddr+0x42e/0x620
[  316.611490]  __alloc_skb+0x119/0x770
[  316.615206]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  316.620486]  ? skb_scrub_packet+0x490/0x490
[  316.624806]  ? lock_downgrade+0x900/0x900
[  316.628956]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.634535]  ? refcount_sub_and_test_checked+0x203/0x310
[  316.639992]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  316.645462]  ? addrconf_rs_timer+0x6f0/0x6f0
[  316.649885]  ndisc_alloc_skb+0x144/0x340
[  316.653959]  ndisc_send_rs+0x331/0x6e0
[  316.657866]  addrconf_rs_timer+0x3c0/0x6f0
[  316.662120]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  316.666370]  call_timer_fn+0x272/0x920
[  316.670261]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  316.674498]  ? process_timeout+0x40/0x40
[  316.678555]  ? find_held_lock+0x36/0x1c0
[  316.682623]  ? __run_timers+0x7da/0xc70
[  316.686606]  ? _raw_spin_unlock_irq+0x27/0x80
[  316.691101]  ? _raw_spin_unlock_irq+0x27/0x80
[  316.695596]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  316.699830]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  316.704425]  ? trace_hardirqs_on+0xbd/0x310
[  316.708752]  ? kasan_check_read+0x11/0x20
[  316.712907]  ? __run_timers+0x7da/0xc70
[  316.716893]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  316.722347]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  316.726604]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  316.730844]  __run_timers+0x7e5/0xc70
[  316.734663]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  316.740027]  ? compat_start_thread+0x80/0x80
[  316.744444]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.750000]  ? kasan_check_write+0x14/0x20
[  316.754237]  ? finish_task_switch+0x2f5/0x900
[  316.758736]  ? __switch_to_asm+0x40/0x70
[  316.762802]  ? preempt_notifier_register+0x200/0x200
[  316.767928]  ? __switch_to_asm+0x34/0x70
[  316.771988]  ? __switch_to_asm+0x40/0x70
[  316.776045]  ? __switch_to_asm+0x34/0x70
[  316.780110]  ? __switch_to_asm+0x40/0x70
[  316.784171]  ? __switch_to_asm+0x34/0x70
[  316.788240]  ? __switch_to_asm+0x40/0x70
[  316.792314]  ? pvclock_read_flags+0x160/0x160
[  316.796815]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.802356]  ? check_preemption_disabled+0x48/0x200
[  316.807404]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  316.812694]  ? rcu_pm_notify+0xc0/0xc0
[  316.816585]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.822129]  ? check_preemption_disabled+0x48/0x200
[  316.827157]  run_timer_softirq+0x52/0xb0
[  316.831219]  ? rcu_read_lock_sched_held+0x108/0x120
[  316.836237]  __do_softirq+0x30b/0xad8
[  316.840050]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  316.845176]  ? schedule+0x108/0x460
[  316.848809]  ? __schedule+0x1ed0/0x1ed0
[  316.852792]  ? trace_hardirqs_off+0xb8/0x300
[  316.857201]  ? ___might_sleep+0x1ed/0x300
[  316.861351]  ? smpboot_thread_fn+0x68b/0xa00
[  316.865763]  ? trace_hardirqs_on+0x310/0x310
[  316.870188]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  316.875732]  ? check_preemption_disabled+0x48/0x200
[  316.880747]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.886287]  ? takeover_tasklets+0xa90/0xa90
[  316.890699]  run_ksoftirqd+0x94/0x100
[  316.894500]  smpboot_thread_fn+0x68b/0xa00
[  316.898739]  ? sort_range+0x30/0x30
[  316.902381]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  316.907502]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  316.913041]  ? __kthread_parkme+0xfb/0x1a0
[  316.917281]  kthread+0x35a/0x420
[  316.920650]  ? sort_range+0x30/0x30
[  316.924277]  ? kthread_bind+0x40/0x40
[  316.928083]  ret_from_fork+0x3a/0x50
[  316.931814] warn_alloc_show_mem: 1 callbacks suppressed
[  316.931826] CPU: 1 PID: 10110 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
[  316.931829] Mem-Info:
[  316.931860] active_anon:39159 inactive_anon:1633 isolated_anon:0
[  316.931860]  active_file:15 inactive_file:16 isolated_file:0
[  316.931860]  unevictable:0 dirty:0 writeback:0 unstable:0
[  316.931860]  slab_reclaimable:8773 slab_unreclaimable:1470459
[  316.931860]  mapped:49330 shmem:1666 pagetables:630 bounce:0
[  316.931860]  free:13723 free_pcp:275 free_cma:0
[  316.937204] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  316.944484] Node 0 active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197320kB dirty:0kB writeback:0kB shmem:6664kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  316.946911] Call Trace:
[  316.979972] Node 0 
[  316.989327]  <IRQ>
[  317.017017] 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
[  317.019587]  dump_stack+0x1c4/0x2b4
[  317.021799] lowmem_reserve[]:
[  317.023957]  ? dump_stack_print_info.cold.2+0x52/0x52
[  317.049947]  0 2817
[  317.053646]  warn_alloc.cold.118+0xb7/0x1bd
[  317.056704]  6321 6321
[  317.061904]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  317.064136] Node 0 
[  317.068466]  ? lock_downgrade+0x900/0x900
[  317.070965] DMA32 free:25172kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  317.075784]  ? trace_hardirqs_off+0xb8/0x300
[  317.078003] lowmem_reserve[]: 0
[  317.082161]  ? trace_hardirqs_off+0xb8/0x300
[  317.109543]  0 3503
[  317.113984]  __alloc_pages_slowpath+0x2667/0x2d80
[  317.117222]  3503
[  317.121660]  ? warn_alloc+0x120/0x120
[  317.128684]  ? warn_alloc+0x120/0x120
[  317.130728] Node 0 
[  317.134528]  ? print_usage_bug+0xc0/0xc0
[  317.138338] Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5408kB pagetables:2520kB bounce:0kB free_pcp:852kB local_pcp:604kB free_cma:0kB
[  317.140565]  ? warn_alloc+0x120/0x120
[  317.144593] lowmem_reserve[]: 0
[  317.173466]  ? print_usage_bug+0xc0/0xc0
[  317.177250]  0
[  317.180530]  ? __lock_acquire+0x7ec/0x4ec0
[  317.184591]  0
[  317.186400]  ? __lock_acquire+0x7ec/0x4ec0
[  317.190600]  0
[  317.192420]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  317.196638] Node 0 
[  317.198485]  ? should_fail+0x22d/0xd01
[  317.203992] DMA: 1*4kB 
[  317.206239]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  317.210096] (U) 
[  317.212676]  ? __lock_acquire+0x7ec/0x4ec0
[  317.217751] 0*8kB 
[  317.219724]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  317.223931] 0*16kB 
[  317.226075]  ? __lock_acquire+0x7ec/0x4ec0
[  317.231150] 1*32kB (U) 
[  317.233402]  ? should_fail+0x22d/0xd01
[  317.237606] 2*64kB 
[  317.240194]  ? mark_held_locks+0x130/0x130
[  317.244047] (U) 1*128kB 
[  317.246288]  ? mark_held_locks+0x130/0x130
[  317.250498] (U) 
[  317.253168]  ? graph_lock+0x170/0x170
[  317.257420] 1*256kB 
[  317.259404]  ? graph_lock+0x170/0x170
[  317.263185] (U) 
[  317.265521]  ? graph_lock+0x170/0x170
[  317.269296] 0*512kB 
[  317.271267]  ? print_usage_bug+0xc0/0xc0
[  317.275047] 1*1024kB (U) 
[  317.277402]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.281424] 1*2048kB (M) 
[  317.284213]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.289741] 3*4096kB 
[  317.292508]  ? check_preemption_disabled+0x48/0x200
[  317.298013] (M) 
[  317.300425]  ? check_preemption_disabled+0x48/0x200
[  317.305429] = 15908kB
[  317.307423]  ? __lock_is_held+0xb5/0x140
[  317.312428] Node 0 
[  317.314848]  __alloc_pages_nodemask+0xa80/0xde0
[  317.318884] DMA32: 
[  317.321114]  ? graph_lock+0x170/0x170
[  317.325758] 3*4kB 
[  317.327997]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  317.331785] (UM) 
[  317.333928]  ? graph_lock+0x170/0x170
[  317.338914] 1*8kB (U) 4*16kB 
[  317.340997]  ? find_held_lock+0x36/0x1c0
[  317.344766] (UM) 
[  317.347872]  ? ____cache_alloc_node+0x1c7/0x1e0
[  317.351906] 2*32kB 
[  317.353969]  ? lock_downgrade+0x900/0x900
[  317.358616] (UM) 
[  317.360855]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.364967] 3*64kB (UM) 
[  317.367045]  cache_grow_begin+0x91/0x8c0
[  317.372556] 4*128kB (UM) 
[  317.375229]  ? do_raw_spin_unlock+0xa7/0x2f0
[  317.379256] 3*256kB (UM) 
[  317.382017]  fallback_alloc+0x203/0x2e0
[  317.386390] 4*512kB (UM) 3*1024kB 
[  317.389162]  ____cache_alloc_node+0x1c7/0x1e0
[  317.393111] (M) 
[  317.396647]  kmem_cache_alloc_node+0xe3/0x730
[  317.401198] 3*2048kB (UM) 
[  317.403208]  ? ipv6_get_ifaddr+0x42e/0x620
[  317.407672] 3*4096kB (M) 
[  317.410527]  __alloc_skb+0x119/0x770
[  317.414734] = 25172kB
[  317.417491]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  317.421179] Node 0 
[  317.423587]  ? skb_scrub_packet+0x490/0x490
[  317.428830] Normal: 979*4kB 
[  317.431074]  ? lock_downgrade+0x900/0x900
[  317.435362] (ME) 483*8kB 
[  317.438428]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.442542] (UME) 
[  317.445298]  ? refcount_sub_and_test_checked+0x203/0x310
[  317.450800] 201*16kB (ME) 
[  317.452954]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  317.458376] 59*32kB (UME) 
[  317.461237]  ? addrconf_rs_timer+0x6f0/0x6f0
[  317.466654] 15*64kB (UM) 
[  317.469509]  ndisc_alloc_skb+0x144/0x340
[  317.473878] 0*128kB 0*256kB 
[  317.476648]  ndisc_send_rs+0x331/0x6e0
[  317.480684] 0*512kB 
[  317.483702]  addrconf_rs_timer+0x3c0/0x6f0
[  317.487564] 0*1024kB 
[  317.489882]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  317.494087] 0*2048kB 0*4096kB 
[  317.496517]  call_timer_fn+0x272/0x920
[  317.500719] = 13844kB
[  317.503930]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  317.507793] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  317.510194]  ? process_timeout+0x40/0x40
[  317.514412] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  317.523238]  ? find_held_lock+0x36/0x1c0
[  317.527277] 1697 total pagecache pages
[  317.535847]  ? __run_timers+0x7da/0xc70
[  317.539886] 0 pages in swap cache
[  317.543760]  ? _raw_spin_unlock_irq+0x27/0x80
[  317.547713] Swap cache stats: add 0, delete 0, find 0/0
[  317.551155]  ? _raw_spin_unlock_irq+0x27/0x80
[  317.555631] Free swap  = 0kB
[  317.560990]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  317.565465] Total swap = 0kB
[  317.568502]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  317.572712] 1965979 pages RAM
[  317.575747]  ? trace_hardirqs_on+0xbd/0x310
[  317.580299] 0 pages HighMem/MovableOnly
[  317.580308] 342744 pages reserved
[  317.583414]  ? kasan_check_read+0x11/0x20
[  317.587718] 0 pages cma reserved
[  317.591691]  ? __run_timers+0x7da/0xc70
[  317.595215] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  317.599267]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  317.599286]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  317.599305]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  317.602712] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  317.606618]  __run_timers+0x7e5/0xc70
[  317.613084] ksoftirqd/0 cpuset=
[  317.618546]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  317.622748] /
[  317.626981]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  317.637267]  mems_allowed=0
[  317.641059]  ? rcu_bh_qs+0xc0/0xc0
[  317.663059]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.668600]  ? check_preemption_disabled+0x48/0x200
[  317.673631]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  317.678400]  ? retint_kernel+0x2d/0x2d
[  317.682302]  ? trace_hardirqs_on_caller+0xc0/0x300
[  317.687244]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  317.692001]  ? trace_hardirqs_off_caller+0x300/0x300
[  317.697121]  ? check_preemption_disabled+0x48/0x200
[  317.702147]  ? graph_lock+0x170/0x170
[  317.705953]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.711504]  ? check_preemption_disabled+0x48/0x200
[  317.716530]  ? __lock_is_held+0xb5/0x140
[  317.720593]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.726137]  ? check_preemption_disabled+0x48/0x200
[  317.731170]  run_timer_softirq+0x52/0xb0
[  317.735231]  ? rcu_read_lock_sched_held+0x108/0x120
[  317.740250]  __do_softirq+0x30b/0xad8
[  317.744110]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  317.749220]  ? pvclock_read_flags+0x160/0x160
[  317.753727]  ? lapic_next_event+0x5a/0x90
[  317.757877]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.763439]  ? check_preemption_disabled+0x48/0x200
[  317.768463]  ? check_preemption_disabled+0x48/0x200
[  317.773487]  ? kvm_clock_read+0x18/0x30
[  317.777461]  ? kvm_sched_clock_read+0x9/0x20
[  317.781871]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.787529]  ? check_preemption_disabled+0x48/0x200
[  317.792564]  irq_exit+0x17f/0x1c0
[  317.796027]  smp_apic_timer_interrupt+0x1cb/0x760
[  317.800875]  ? smp_reschedule_interrupt+0x109/0x650
[  317.805892]  ? smp_call_function_single_interrupt+0x650/0x650
[  317.811781]  ? interrupt_entry+0xb5/0xf0
[  317.815845]  ? trace_hardirqs_off_caller+0xbb/0x300
[  317.820875]  ? trace_hardirqs_off_caller+0xbb/0x300
[  317.825891]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  317.830744]  ? trace_hardirqs_off+0x300/0x300
[  317.835240]  ? trace_hardirqs_off+0x300/0x300
[  317.839738]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.845279]  ? check_preemption_disabled+0x48/0x200
[  317.850296]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.855841]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  317.860699]  apic_timer_interrupt+0xf/0x20
[  317.864930]  </IRQ>
[  317.867170] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  317.872103] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 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 9a 42
[  317.891001] RSP: 0018:ffff88019cfa7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  317.898714] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  317.905979] RDX: 0000000000000000 RSI: ffff88019d338900 RDI: 0000000000000282
[  317.913247] RBP: ffff88019cfa77b0 R08: ffff88019d338080 R09: 0000000000000000
[  317.920515] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  317.927782] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  317.935112]  skb_clone+0x1bb/0x500
[  317.938658]  ? finish_task_switch+0x2f5/0x900
[  317.943153]  ? skb_split+0x11e0/0x11e0
[  317.947045]  ? preempt_notifier_register+0x200/0x200
[  317.952149]  ? __switch_to_asm+0x34/0x70
[  317.956209]  ? __switch_to_asm+0x34/0x70
[  317.960266]  ? __switch_to_asm+0x40/0x70
[  317.964330]  ? __switch_to_asm+0x34/0x70
[  317.968398]  ? __switch_to_asm+0x40/0x70
[  317.972458]  ? __switch_to_asm+0x34/0x70
[  317.976515]  ? __switch_to_asm+0x40/0x70
[  317.980575]  ? __switch_to_asm+0x34/0x70
[  317.984636]  ? __switch_to_asm+0x34/0x70
[  317.988694]  ? __switch_to_asm+0x40/0x70
[  317.992763]  ? __switch_to_asm+0x34/0x70
[  317.996861]  bpf_clone_redirect+0xb9/0x490
[  318.001110]  ? __schedule+0x874/0x1ed0
[  318.005008]  bpf_prog_bebbfe2050753572+0x482/0x1000
[  318.010028]  ? __sched_text_start+0x8/0x8
[  318.014190]  ? find_held_lock+0x36/0x1c0
[  318.018259]  ? lock_acquire+0x1ed/0x520
[  318.022241]  ? bpf_test_run+0x32e/0x5a0
[  318.026219]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.031775]  ? check_preemption_disabled+0x48/0x200
[  318.036803]  ? kasan_check_read+0x11/0x20
[  318.040962]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  318.046244]  ? rcu_bh_qs+0xc0/0xc0
[  318.049818]  ? preempt_schedule+0x4d/0x60
[  318.053968]  ? ___preempt_schedule+0x16/0x18
[  318.058383]  ? bpf_test_run+0x1c0/0x5a0
[  318.062385]  ? netlink_diag_dump+0x2a0/0x2a0
[  318.066804]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  318.072368]  ? bpf_test_init.isra.9+0x70/0x100
[  318.076953]  ? bpf_prog_test_run_skb+0x634/0xb40
[  318.081718]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  318.086558]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  318.092098]  ? fput+0x130/0x1a0
[  318.095384]  ? __bpf_prog_get+0x9b/0x290
[  318.099448]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  318.104287]  ? bpf_prog_test_run+0x130/0x1a0
[  318.108698]  ? __x64_sys_bpf+0x3d8/0x510
[  318.112762]  ? bpf_prog_get+0x20/0x20
[  318.116570]  ? ksys_ioctl+0x81/0xd0
[  318.120210]  ? do_syscall_64+0x1b9/0x820
[  318.124285]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  318.129666]  ? syscall_return_slowpath+0x5e0/0x5e0
[  318.134599]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  318.139448]  ? trace_hardirqs_off+0x300/0x300
[  318.143951]  ? prepare_exit_to_usermode+0x291/0x3b0
[  318.148995]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  318.153867]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  318.159260] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc2+ #51
[  318.159359] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  318.166022] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  318.166033] Call Trace:
[  318.172631] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  318.181880]  dump_stack+0x1c4/0x2b4
[  318.184449] syz-executor1 cpuset=
[  318.194934]  ? dump_stack_print_info.cold.2+0x52/0x52
[  318.198539] syz1
[  318.201993]  warn_alloc.cold.118+0xb7/0x1bd
[  318.207175]  mems_allowed=0
[  318.209145]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  318.221215]  ? lock_downgrade+0x900/0x900
[  318.225371]  ? trace_hardirqs_off+0xb8/0x300
[  318.229794]  ? trace_hardirqs_off+0xb8/0x300
[  318.234212]  __alloc_pages_slowpath+0x2667/0x2d80
[  318.239078]  ? warn_alloc+0x120/0x120
[  318.242906]  ? warn_alloc+0x120/0x120
[  318.246708]  ? print_usage_bug+0xc0/0xc0
[  318.250771]  ? warn_alloc+0x120/0x120
[  318.254575]  ? print_usage_bug+0xc0/0xc0
[  318.258642]  ? __lock_acquire+0x7ec/0x4ec0
[  318.262880]  ? __lock_acquire+0x7ec/0x4ec0
[  318.267120]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  318.272672]  ? should_fail+0x22d/0xd01
[  318.276564]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  318.281669]  ? __lock_acquire+0x7ec/0x4ec0
[  318.285909]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  318.291038]  ? __lock_acquire+0x7ec/0x4ec0
[  318.295271]  ? should_fail+0x22d/0xd01
[  318.299185]  ? mark_held_locks+0x130/0x130
[  318.303440]  ? mark_held_locks+0x130/0x130
[  318.307679]  ? graph_lock+0x170/0x170
[  318.311477]  ? graph_lock+0x170/0x170
[  318.315281]  ? graph_lock+0x170/0x170
[  318.319077]  ? print_usage_bug+0xc0/0xc0
[  318.323135]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.328669]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.334208]  ? check_preemption_disabled+0x48/0x200
[  318.339236]  ? check_preemption_disabled+0x48/0x200
[  318.344266]  ? __lock_is_held+0xb5/0x140
[  318.348335]  __alloc_pages_nodemask+0xa80/0xde0
[  318.353000]  ? graph_lock+0x170/0x170
[  318.356804]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  318.361820]  ? graph_lock+0x170/0x170
[  318.365643]  ? find_held_lock+0x36/0x1c0
[  318.369714]  ? ____cache_alloc_node+0x1c7/0x1e0
[  318.374396]  ? lock_downgrade+0x900/0x900
[  318.378556]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.384103]  cache_grow_begin+0x91/0x8c0
[  318.388183]  ? do_raw_spin_unlock+0xa7/0x2f0
[  318.392602]  fallback_alloc+0x203/0x2e0
[  318.396584]  ____cache_alloc_node+0x1c7/0x1e0
[  318.401103]  kmem_cache_alloc_node+0xe3/0x730
[  318.405602]  ? ipv6_get_ifaddr+0x42e/0x620
[  318.409859]  __alloc_skb+0x119/0x770
[  318.413580]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  318.418859]  ? skb_scrub_packet+0x490/0x490
[  318.423180]  ? lock_downgrade+0x900/0x900
[  318.427337]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.432876]  ? refcount_sub_and_test_checked+0x203/0x310
[  318.438347]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  318.443800]  ? addrconf_rs_timer+0x6f0/0x6f0
[  318.448219]  ndisc_alloc_skb+0x144/0x340
[  318.452293]  ndisc_send_rs+0x331/0x6e0
[  318.456198]  addrconf_rs_timer+0x3c0/0x6f0
[  318.460445]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  318.464702]  call_timer_fn+0x272/0x920
[  318.468594]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  318.472839]  ? process_timeout+0x40/0x40
[  318.476910]  ? find_held_lock+0x36/0x1c0
[  318.480984]  ? __run_timers+0x7da/0xc70
[  318.484960]  ? _raw_spin_unlock_irq+0x27/0x80
[  318.489458]  ? _raw_spin_unlock_irq+0x27/0x80
[  318.493967]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  318.498214]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  318.502801]  ? trace_hardirqs_on+0xbd/0x310
[  318.507120]  ? kasan_check_read+0x11/0x20
[  318.511267]  ? __run_timers+0x7da/0xc70
[  318.515242]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  318.520695]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  318.524939]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  318.529199]  __run_timers+0x7e5/0xc70
[  318.533020]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  318.538384]  ? compat_start_thread+0x80/0x80
[  318.542809]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.548357]  ? kasan_check_write+0x14/0x20
[  318.552603]  ? finish_task_switch+0x2f5/0x900
[  318.557102]  ? __switch_to_asm+0x40/0x70
[  318.561170]  ? preempt_notifier_register+0x200/0x200
[  318.566273]  ? __switch_to_asm+0x34/0x70
[  318.570346]  ? __switch_to_asm+0x40/0x70
[  318.574409]  ? __switch_to_asm+0x34/0x70
[  318.578474]  ? __switch_to_asm+0x40/0x70
[  318.582535]  ? __switch_to_asm+0x34/0x70
[  318.586593]  ? __switch_to_asm+0x40/0x70
[  318.590664]  ? pvclock_read_flags+0x160/0x160
[  318.595162]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.600701]  ? check_preemption_disabled+0x48/0x200
[  318.605731]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  318.611012]  ? rcu_pm_notify+0xc0/0xc0
[  318.614899]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.620461]  ? check_preemption_disabled+0x48/0x200
[  318.625492]  run_timer_softirq+0x52/0xb0
[  318.629568]  ? rcu_read_lock_sched_held+0x108/0x120
[  318.634585]  __do_softirq+0x30b/0xad8
[  318.638417]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  318.643529]  ? schedule+0x108/0x460
[  318.647162]  ? __schedule+0x1ed0/0x1ed0
[  318.651143]  ? trace_hardirqs_off+0xb8/0x300
[  318.655562]  ? ___might_sleep+0x1ed/0x300
[  318.659711]  ? smpboot_thread_fn+0x68b/0xa00
[  318.664130]  ? trace_hardirqs_on+0x310/0x310
[  318.668539]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  318.674079]  ? check_preemption_disabled+0x48/0x200
[  318.679092]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.684635]  ? takeover_tasklets+0xa90/0xa90
[  318.689046]  run_ksoftirqd+0x94/0x100
[  318.692848]  smpboot_thread_fn+0x68b/0xa00
[  318.697095]  ? sort_range+0x30/0x30
[  318.700720]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  318.705820]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  318.711362]  ? __kthread_parkme+0xfb/0x1a0
[  318.715609]  kthread+0x35a/0x420
[  318.718984]  ? sort_range+0x30/0x30
[  318.722608]  ? kthread_bind+0x40/0x40
[  318.726420]  ret_from_fork+0x3a/0x50
[  318.730151] warn_alloc_show_mem: 1 callbacks suppressed
[  318.730164] CPU: 1 PID: 10110 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51
[  318.730166] Mem-Info:
[  318.730199] active_anon:39159 inactive_anon:1633 isolated_anon:0
[  318.730199]  active_file:15 inactive_file:16 isolated_file:0
[  318.730199]  unevictable:0 dirty:0 writeback:0 unstable:0
[  318.730199]  slab_reclaimable:8773 slab_unreclaimable:1470459
[  318.730199]  mapped:49330 shmem:1666 pagetables:630 bounce:0
[  318.730199]  free:13723 free_pcp:275 free_cma:0
[  318.735545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  318.742835] Node 0 active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:197320kB dirty:0kB writeback:0kB shmem:6664kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  318.745250] Call Trace:
[  318.778471] Node 0 
[  318.787820]  <IRQ>
[  318.815504] 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
[  318.818062]  dump_stack+0x1c4/0x2b4
[  318.820268] lowmem_reserve[]: 0
[  318.822420]  ? dump_stack_print_info.cold.2+0x52/0x52
[  318.847907]  2817 6321
[  318.851552]  warn_alloc.cold.118+0xb7/0x1bd
[  318.854791]  6321
[  318.859995]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  318.862469] Node 0 
[  318.866783]  ? lock_downgrade+0x900/0x900
[  318.868844] DMA32 free:25172kB min:30048kB low:37560kB high:45072kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  318.873665]  ? trace_hardirqs_off+0xb8/0x300
[  318.875872] lowmem_reserve[]: 0
[  318.880022]  ? trace_hardirqs_off+0xb8/0x300
[  318.906707]  0 3503
[  318.911146]  __alloc_pages_slowpath+0x2667/0x2d80
[  318.914398]  3503
[  318.918845]  ? warn_alloc+0x120/0x120
[  318.921025] Node 0 
[  318.925866]  ? trace_hardirqs_on+0x310/0x310
[  318.927949] Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:156636kB inactive_anon:6532kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5408kB pagetables:2520kB bounce:0kB free_pcp:852kB local_pcp:604kB free_cma:0kB
[  318.927957] lowmem_reserve[]:
[  318.931752]  ? warn_alloc+0x120/0x120
[  318.933967]  0
[  318.938368]  ? print_usage_bug+0xc0/0xc0
[  318.966700]  0 0
[  318.969814]  ? warn_alloc+0x120/0x120
[  318.973595]  0
[  318.975398]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  318.981426]  ? print_usage_bug+0xc0/0xc0
[  318.985206] Node 0 
[  318.987002]  ? __lock_acquire+0x7ec/0x4ec0
[  318.992001] DMA: 1*4kB 
[  318.996069]  ? __lock_acquire+0x7ec/0x4ec0
[  318.998289] (U) 
[  319.002528]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  319.005099] 0*8kB 
[  319.009331]  ? should_fail+0x22d/0xd01
[  319.011285] 0*16kB 1*32kB 
[  319.016830]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  319.018955] (U) 
[  319.022833]  ? __lock_acquire+0x7ec/0x4ec0
[  319.025689] 2*64kB 
[  319.030789]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  319.032763] (U) 
[  319.036990]  ? __lock_acquire+0x7ec/0x4ec0
[  319.039202] 1*128kB (U) 
[  319.044561]  ? should_fail+0x22d/0xd01
[  319.044578]  ? print_usage_bug+0xc0/0xc0
[  319.046541] 1*256kB 
[  319.050773]  ? mark_held_locks+0x130/0x130
[  319.053420] (U) 
[  319.057297]  ? mark_held_locks+0x130/0x130
[  319.061338] 0*512kB 
[  319.063664]  ? graph_lock+0x170/0x170
[  319.067872] 1*1024kB 
[  319.069844]  ? print_usage_bug+0xc0/0xc0
[  319.074054] (U) 
[  319.076380]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  319.080174] 1*2048kB 
[  319.082595]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.086624] (M) 
[  319.088614]  ? check_preemption_disabled+0x48/0x200
[  319.093348] 3*4096kB (M) 
[  319.095764]  ? check_preemption_disabled+0x48/0x200
[  319.101269] = 15908kB
[  319.101278] Node 0 
[  319.103257]  ? __lock_is_held+0xb5/0x140
[  319.108995] DMA32: 3*4kB 
[  319.111766]  __alloc_pages_nodemask+0xa80/0xde0
[  319.116755] (UM) 
[  319.119180]  ? graph_lock+0x170/0x170
[  319.121432] 1*8kB 
[  319.125515]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  319.128252] (U) 
[  319.132936]  ? graph_lock+0x170/0x170
[  319.134974] 4*16kB (UM) 
[  319.138783]  ? find_held_lock+0x36/0x1c0
[  319.140899] 2*32kB (UM) 
[  319.145948]  ? ____cache_alloc_node+0x1c7/0x1e0
[  319.147900] 3*64kB (UM) 
[  319.152234]  ? lock_downgrade+0x900/0x900
[  319.154890] 4*128kB 
[  319.158969]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.161613] (UM) 
[  319.166278]  cache_grow_begin+0x91/0x8c0
[  319.168927] 3*256kB (UM) 
[  319.173087]  ? do_raw_spin_unlock+0xa7/0x2f0
[  319.175387] 4*512kB 
[  319.180963]  fallback_alloc+0x203/0x2e0
[  319.183008] (UM) 
[  319.187081]  ____cache_alloc_node+0x1c7/0x1e0
[  319.189812] 3*1024kB (M) 
[  319.194251]  kmem_cache_alloc_node+0xe3/0x730
[  319.196544] 3*2048kB (UM) 
[  319.200553]  ? ipv6_get_ifaddr+0x42e/0x620
[  319.202604] 3*4096kB (M) 
[  319.207108]  __alloc_skb+0x119/0x770
[  319.209832] = 25172kB
[  319.209841] Node 0 
[  319.214334]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  319.217149] Normal: 979*4kB 
[  319.221422]  ? skb_scrub_packet+0x490/0x490
[  319.224160] (ME) 
[  319.227870]  ? lock_downgrade+0x900/0x900
[  319.230269] 483*8kB 
[  319.232515]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.237762] (UME) 
[  319.240782]  ? refcount_sub_and_test_checked+0x203/0x310
[  319.245075] 201*16kB (ME) 
[  319.247143]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  319.251263] 59*32kB (UME) 
[  319.253592]  ? addrconf_rs_timer+0x6f0/0x6f0
[  319.259100] 15*64kB (UM) 
[  319.261262]  ndisc_alloc_skb+0x144/0x340
[  319.266688] 0*128kB 0*256kB 
[  319.269538]  ndisc_send_rs+0x331/0x6e0
[  319.274955] 0*512kB 0*1024kB 
[  319.277806]  addrconf_rs_timer+0x3c0/0x6f0
[  319.282209] 0*2048kB 
[  319.285067]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  319.289104] 0*4096kB 
[  319.292124]  call_timer_fn+0x272/0x920
[  319.295984] = 13844kB
[  319.295999] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  319.299093]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  319.303313] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  319.305719]  ? process_timeout+0x40/0x40
[  319.309940] 1697 total pagecache pages
[  319.312345]  ? find_held_lock+0x36/0x1c0
[  319.316217] 0 pages in swap cache
[  319.318640]  ? __run_timers+0x7da/0xc70
[  319.327449] Swap cache stats: add 0, delete 0, find 0/0
[  319.327459] Free swap  = 0kB
[  319.331719]  ? _raw_spin_unlock_irq+0x27/0x80
[  319.340260] Total swap = 0kB
[  319.344314]  ? _raw_spin_unlock_irq+0x27/0x80
[  319.348180] 1965979 pages RAM
[  319.352236]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  319.355660] 0 pages HighMem/MovableOnly
[  319.355669] 342744 pages reserved
[  319.359640]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  319.364978] 0 pages cma reserved
[  319.367995]  ? trace_hardirqs_on+0xbd/0x310
[  319.372553] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  319.375474]  ? kasan_check_read+0x11/0x20
[  319.375493]  ? __run_timers+0x7da/0xc70
[  319.380066] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  319.383069]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  319.387283] ksoftirqd/0 cpuset=
[  319.391283]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  319.394716] /
[  319.399296]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  319.402645]  mems_allowed=0
[  319.406959]  __run_timers+0x7e5/0xc70
[  319.457403]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  319.462796]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  319.468071]  ? rcu_bh_qs+0xc0/0xc0
[  319.471617]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.477157]  ? check_preemption_disabled+0x48/0x200
[  319.482182]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  319.486948]  ? retint_kernel+0x2d/0x2d
[  319.490837]  ? trace_hardirqs_on_caller+0xc0/0x300
[  319.495767]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  319.500523]  ? trace_hardirqs_off_caller+0x300/0x300
[  319.505626]  ? check_preemption_disabled+0x48/0x200
[  319.510641]  ? graph_lock+0x170/0x170
[  319.514448]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.519984]  ? check_preemption_disabled+0x48/0x200
[  319.525023]  ? __lock_is_held+0xb5/0x140
[  319.529097]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.534637]  ? check_preemption_disabled+0x48/0x200
[  319.539664]  run_timer_softirq+0x52/0xb0
[  319.543730]  ? rcu_read_lock_sched_held+0x108/0x120
[  319.548774]  __do_softirq+0x30b/0xad8
[  319.552587]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  319.557697]  ? pvclock_read_flags+0x160/0x160
[  319.562190]  ? lapic_next_event+0x5a/0x90
[  319.566342]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.571882]  ? check_preemption_disabled+0x48/0x200
[  319.576933]  ? check_preemption_disabled+0x48/0x200
[  319.581953]  ? kvm_clock_read+0x18/0x30
[  319.585931]  ? kvm_sched_clock_read+0x9/0x20
[  319.590341]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.595878]  ? check_preemption_disabled+0x48/0x200
[  319.600928]  irq_exit+0x17f/0x1c0
[  319.604382]  smp_apic_timer_interrupt+0x1cb/0x760
[  319.609234]  ? smp_reschedule_interrupt+0x109/0x650
[  319.614270]  ? smp_call_function_single_interrupt+0x650/0x650
[  319.620151]  ? interrupt_entry+0xb5/0xf0
[  319.624215]  ? trace_hardirqs_off_caller+0xbb/0x300
[  319.629230]  ? trace_hardirqs_off_caller+0xbb/0x300
[  319.634260]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  319.639101]  ? trace_hardirqs_off+0x300/0x300
[  319.643596]  ? trace_hardirqs_off+0x300/0x300
[  319.648091]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.653633]  ? check_preemption_disabled+0x48/0x200
[  319.658648]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.664197]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  319.669047]  apic_timer_interrupt+0xf/0x20
[  319.673274]  </IRQ>
[  319.675530] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  319.680474] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 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 9a 42
[  319.699373] RSP: 0018:ffff88019cfa7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  319.707090] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  319.714356] RDX: 0000000000000000 RSI: ffff88019d338900 RDI: 0000000000000282
[  319.721626] RBP: ffff88019cfa77b0 R08: ffff88019d338080 R09: 0000000000000000
[  319.728892] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  319.736163] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  319.743472]  skb_clone+0x1bb/0x500
[  319.747019]  ? finish_task_switch+0x2f5/0x900
[  319.751518]  ? skb_split+0x11e0/0x11e0
[  319.755422]  ? preempt_notifier_register+0x200/0x200