80
[  328.273834]  ? __lock_is_held+0xb5/0x140
[  328.277894]  __alloc_pages_nodemask+0xa80/0xde0
[  328.282557]  ? zap_class+0x640/0x640
[  328.286270]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  328.291289]  ? find_held_lock+0x36/0x1c0
[  328.295358]  ? ____cache_alloc_node+0x1c7/0x1e0
[  328.300027]  ? lock_downgrade+0x900/0x900
[  328.304180]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.309717]  cache_grow_begin+0xa5/0x8c0
[  328.313772]  ? do_raw_spin_unlock+0xa7/0x330
[  328.318199]  fallback_alloc+0x204/0x2e0
[  328.322192]  ____cache_alloc_node+0x1c7/0x1e0
[  328.326690]  kmem_cache_alloc_node+0xe3/0x730
[  328.331184]  ? ipv6_get_ifaddr+0x42e/0x620
[  328.335423]  __alloc_skb+0x119/0x770
[  328.339147]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  328.344513]  ? netdev_alloc_frag+0x1f0/0x1f0
[  328.348916]  ? lock_downgrade+0x900/0x900
[  328.353062]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.358607]  ? refcount_sub_and_test_checked+0x203/0x310
[  328.364060]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  328.369507]  ? addrconf_rs_timer+0x690/0x690
[  328.373921]  ndisc_alloc_skb+0x144/0x340
[  328.377982]  ndisc_send_rs+0x331/0x6e0
[  328.381870]  addrconf_rs_timer+0x314/0x690
[  328.386122]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  328.390366]  call_timer_fn+0x272/0x920
[  328.394251]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  328.398484]  ? process_timeout+0x40/0x40
[  328.402550]  ? __run_timers+0x7da/0xc70
[  328.406536]  ? _raw_spin_unlock_irq+0x27/0x80
[  328.411029]  ? _raw_spin_unlock_irq+0x27/0x80
[  328.415520]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  328.419749]  ? lockdep_hardirqs_on+0x296/0x5b0
[  328.424330]  ? trace_hardirqs_on+0xbd/0x310
[  328.428653]  ? kasan_check_read+0x11/0x20
[  328.432792]  ? __run_timers+0x7da/0xc70
[  328.436763]  ? trace_hardirqs_off_caller+0x310/0x310
[  328.441865]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  328.446099]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  328.450329]  __run_timers+0x7e5/0xc70
[  328.454136]  ? timer_fixup_init+0x70/0x70
[  328.458279]  ? _raw_spin_unlock_irq+0x27/0x80
[  328.462774]  ? _raw_spin_unlock_irq+0x27/0x80
[  328.467263]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  328.471840]  ? trace_hardirqs_on+0xbd/0x310
[  328.476154]  ? kasan_check_read+0x11/0x20
[  328.480300]  ? finish_task_switch+0x1f4/0x910
[  328.484793]  ? trace_hardirqs_off_caller+0x310/0x310
[  328.489891]  ? compat_start_thread+0x80/0x80
[  328.494312]  ? pvclock_read_flags+0x160/0x160
[  328.498802]  ? __switch_to_asm+0x34/0x70
[  328.502863]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.508394]  ? check_preemption_disabled+0x48/0x280
[  328.513412]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  328.518947]  ? rcu_pm_notify+0xc0/0xc0
[  328.522831]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.528365]  ? check_preemption_disabled+0x48/0x280
[  328.533381]  run_timer_softirq+0x52/0xb0
[  328.537437]  ? rcu_read_lock_sched_held+0x14f/0x180
[  328.542447]  __do_softirq+0x308/0xb7e
[  328.546274]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  328.551369]  ? trace_hardirqs_off+0xb8/0x310
[  328.555769]  ? rcu_irq_enter+0x18c/0x310
[  328.559829]  ? schedule+0x108/0x460
[  328.563453]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  328.568214]  ? trace_hardirqs_off+0xb8/0x310
[  328.572626]  ? smpboot_thread_fn+0x68b/0xa00
[  328.577027]  ? trace_hardirqs_on+0x310/0x310
[  328.581430]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  328.586965]  ? check_preemption_disabled+0x48/0x280
[  328.591979]  ? takeover_tasklets+0xa90/0xa90
[  328.596383]  run_ksoftirqd+0x5e/0x100
[  328.600177]  smpboot_thread_fn+0x68b/0xa00
[  328.604412]  ? sort_range+0x30/0x30
[  328.608035]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  328.613134]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  328.618667]  ? __kthread_parkme+0xfb/0x1a0
[  328.622897]  ? sort_range+0x30/0x30
[  328.626521]  kthread+0x35a/0x440
[  328.629883]  ? kthread_stop+0x900/0x900
[  328.633857]  ret_from_fork+0x3a/0x50
[  328.637585] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  328.637597] warn_alloc_show_mem: 1 callbacks suppressed
[  328.637603] Mem-Info:
[  328.644875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  328.650237] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  328.650237]  active_file:16 inactive_file:14 isolated_file:0
[  328.650237]  unevictable:0 dirty:0 writeback:0 unstable:0
[  328.650237]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  328.650237]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  328.650237]  free:13767 free_pcp:490 free_cma:0
[  328.652623] Call Trace:
[  328.661999] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  328.695008]  <IRQ>
[  328.697666] 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
[  328.725345]  dump_stack+0x244/0x39d
[  328.727456] lowmem_reserve[]: 0 2818 6321 6321
[  328.753558]  ? dump_stack_print_info.cold.1+0x20/0x20
[  328.757167] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  328.761746]  warn_alloc.cold.116+0xb7/0x1bd
[  328.766900] lowmem_reserve[]: 0 0 3503 3503
[  328.794388]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  328.798683] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  328.802996]  ? lock_downgrade+0x900/0x900
[  328.807809] lowmem_reserve[]: 0 0 0 0
[  328.836949]  ? trace_hardirqs_off+0xb8/0x310
[  328.841061] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  328.844853]  ? trace_hardirqs_off+0xb8/0x310
[  328.849231] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  328.862750]  __alloc_pages_slowpath+0x26e8/0x2e10
[  328.867125] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  328.882482]  ? warn_alloc+0x120/0x120
[  328.887282] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  328.902349]  ? warn_alloc+0x120/0x120
[  328.906121] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  328.914936]  ? warn_alloc+0x120/0x120
[  328.918710] 1997 total pagecache pages
[  328.927272]  ? print_usage_bug+0xc0/0xc0
[  328.931052] 0 pages in swap cache
[  328.934922]  ? print_usage_bug+0xc0/0xc0
[  328.938959] Swap cache stats: add 0, delete 0, find 0/0
[  328.942398]  ? ktime_get+0x2c1/0x400
[  328.946428] Free swap  = 0kB
[  328.951797]  ? check_preemption_disabled+0x48/0x280
[  328.955492] Total swap = 0kB
[  328.958503]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  328.963488] 1965979 pages RAM
[  328.966495]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  328.970961] 0 pages HighMem/MovableOnly
[  328.974053]  ? should_fail+0x22d/0xd01
[  328.979569] 342853 pages reserved
[  328.983533]  ? kasan_check_read+0x11/0x20
[  328.987385] 0 pages cma reserved
[  328.987456] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  328.990834]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  328.990848]  ? __lock_acquire+0x62f/0x4c20
[  328.990866]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  328.995037] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  328.998336]  ? should_fail+0x22d/0xd01
[  329.004802] ksoftirqd/1 cpuset=/ mems_allowed=0
[  329.009896]  ? print_usage_bug+0xc0/0xc0
[  329.042053]  ? mark_held_locks+0x130/0x130
[  329.046285]  ? mark_held_locks+0x130/0x130
[  329.050516]  ? check_preemption_disabled+0x48/0x280
[  329.055538]  ? zap_class+0x640/0x640
[  329.059262]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  329.064021]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.069552]  ? check_preemption_disabled+0x48/0x280
[  329.074620]  ? __lock_is_held+0xb5/0x140
[  329.078686]  __alloc_pages_nodemask+0xa80/0xde0
[  329.083353]  ? zap_class+0x640/0x640
[  329.087077]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  329.092102]  ? find_held_lock+0x36/0x1c0
[  329.096167]  ? ____cache_alloc_node+0x1c7/0x1e0
[  329.100834]  ? lock_downgrade+0x900/0x900
[  329.105835]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.111370]  cache_grow_begin+0xa5/0x8c0
[  329.115432]  ? do_raw_spin_unlock+0xa7/0x330
[  329.119845]  fallback_alloc+0x204/0x2e0
[  329.123819]  ____cache_alloc_node+0x1c7/0x1e0
[  329.128312]  kmem_cache_alloc_node+0xe3/0x730
[  329.132809]  ? lockdep_hardirqs_on+0x296/0x5b0
[  329.137395]  __alloc_skb+0x119/0x770
[  329.141101]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  329.146465]  ? netdev_alloc_frag+0x1f0/0x1f0
[  329.150998]  ? vprintk_default+0x28/0x30
[  329.155053]  ? vprintk_func+0x85/0x181
[  329.158938]  ? printk+0xa7/0xcf
[  329.162210]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  329.166964]  ? do_raw_spin_trylock+0x270/0x270
[  329.171554]  new_skb+0x26/0x1c0
[  329.174831]  aoecmd_cfg+0x279/0x7f0
[  329.178450]  ? find_held_lock+0x36/0x1c0
[  329.182511]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  329.186831]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.192377]  ? __lock_is_held+0xb5/0x140
[  329.196442]  discover_timer+0x50/0x60
[  329.200238]  call_timer_fn+0x272/0x920
[  329.204117]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  329.208953]  ? process_timeout+0x40/0x40
[  329.213017]  ? __run_timers+0x7da/0xc70
[  329.216991]  ? _raw_spin_unlock_irq+0x27/0x80
[  329.221481]  ? _raw_spin_unlock_irq+0x27/0x80
[  329.225973]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  329.230814]  ? lockdep_hardirqs_on+0x296/0x5b0
[  329.235394]  ? trace_hardirqs_on+0xbd/0x310
[  329.239723]  ? kasan_check_read+0x11/0x20
[  329.243867]  ? __run_timers+0x7da/0xc70
[  329.247842]  ? trace_hardirqs_off_caller+0x310/0x310
[  329.252951]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  329.257784]  __run_timers+0x7e5/0xc70
[  329.261587]  ? timer_fixup_init+0x70/0x70
[  329.265726]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  329.270738]  ? zap_class+0x640/0x640
[  329.274449]  ? enqueue_hrtimer+0x1a5/0x560
[  329.278682]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  329.283868]  ? find_held_lock+0x36/0x1c0
[  329.287929]  ? zap_class+0x640/0x640
[  329.291665]  ? pvclock_read_flags+0x160/0x160
[  329.296155]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.301688]  ? check_preemption_disabled+0x48/0x280
[  329.306705]  ? __lock_is_held+0xb5/0x140
[  329.310757]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.316284]  ? check_preemption_disabled+0x48/0x280
[  329.321298]  run_timer_softirq+0x52/0xb0
[  329.325360]  ? rcu_read_lock_sched_held+0x14f/0x180
[  329.330387]  __do_softirq+0x308/0xb7e
[  329.334191]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  329.338681]  ? lock_downgrade+0x900/0x900
[  329.342825]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  329.347927]  ? pvclock_read_flags+0x160/0x160
[  329.352417]  ? lapic_next_event+0x5a/0x90
[  329.356569]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.362106]  ? kvm_clock_read+0x18/0x30
[  329.366077]  ? kvm_sched_clock_read+0x9/0x20
[  329.370485]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.376014]  ? check_preemption_disabled+0x48/0x280
[  329.381036]  irq_exit+0x17f/0x1c0
[  329.384595]  smp_apic_timer_interrupt+0x1cb/0x760
[  329.389429]  ? smp_reschedule_interrupt+0x109/0x650
[  329.394440]  ? smp_call_function_single_interrupt+0x650/0x650
[  329.400320]  ? interrupt_entry+0xb5/0xc0
[  329.404379]  ? trace_hardirqs_off_caller+0xbb/0x310
[  329.409391]  ? trace_hardirqs_off_caller+0xbb/0x310
[  329.414402]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  329.419238]  ? trace_hardirqs_on_caller+0x310/0x310
[  329.424248]  ? trace_hardirqs_on_caller+0x310/0x310
[  329.429256]  ? task_prio+0x50/0x50
[  329.432792]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.438324]  ? check_preemption_disabled+0x48/0x280
[  329.443338]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  329.448201]  apic_timer_interrupt+0xf/0x20
[  329.452425]  </IRQ>
[  329.454663] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  329.459605] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  329.478501] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  329.486215] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  329.493475] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  329.500750] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  329.508019] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  329.515280] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  329.522586]  skb_clone+0x1bb/0x500
[  329.526120]  ? finish_task_switch+0x2f4/0x910
[  329.530613]  ? skb_split+0x11e0/0x11e0
[  329.534505]  ? preempt_notifier_register+0x200/0x200
[  329.539620]  ? __switch_to_asm+0x34/0x70
[  329.543681]  ? __switch_to_asm+0x34/0x70
[  329.547737]  ? __switch_to_asm+0x40/0x70
[  329.551797]  ? __switch_to_asm+0x34/0x70
[  329.555849]  ? __switch_to_asm+0x40/0x70
[  329.559901]  ? __switch_to_asm+0x34/0x70
[  329.563951]  ? __switch_to_asm+0x40/0x70
[  329.568003]  ? __switch_to_asm+0x34/0x70
[  329.572064]  ? __switch_to_asm+0x34/0x70
[  329.576121]  ? __switch_to_asm+0x40/0x70
[  329.580173]  ? __switch_to_asm+0x34/0x70
[  329.584249]  bpf_clone_redirect+0xb9/0x490
[  329.588486]  ? __schedule+0x8d7/0x21d0
[  329.592379]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  329.597305]  ? __sched_text_start+0x8/0x8
[  329.601453]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  329.606032]  ? retint_kernel+0x2d/0x2d
[  329.609912]  ? trace_hardirqs_on_caller+0xc0/0x310
[  329.614836]  ? find_held_lock+0x36/0x1c0
[  329.618895]  ? lock_acquire+0x1ed/0x520
[  329.622874]  ? bpf_test_run+0x3cb/0x780
[  329.626841]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.632374]  ? check_preemption_disabled+0x48/0x280
[  329.637389]  ? kasan_check_read+0x11/0x20
[  329.641538]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  329.646813]  ? rcu_softirq_qs+0x20/0x20
[  329.650797]  ? preempt_schedule+0x4d/0x60
[  329.654939]  ? ___preempt_schedule+0x16/0x18
[  329.659347]  ? bpf_test_run+0x25d/0x780
[  329.663329]  ? netlink_diag_dump+0x2a0/0x2a0
[  329.667734]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  329.673265]  ? bpf_test_init.isra.10+0x70/0x100
[  329.677938]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  329.682697]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  329.687543]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  329.693074]  ? fput+0x130/0x1a0
[  329.696349]  ? __bpf_prog_get+0x9b/0x290
[  329.700408]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  329.705243]  ? bpf_prog_test_run+0x130/0x1a0
[  329.709654]  ? __x64_sys_bpf+0x3d8/0x520
[  329.713711]  ? bpf_prog_get+0x20/0x20
[  329.717537]  ? do_syscall_64+0x1b9/0x820
[  329.721590]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  329.726950]  ? syscall_return_slowpath+0x5e0/0x5e0
[  329.731876]  ? trace_hardirqs_on_caller+0x310/0x310
[  329.736886]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  329.741897]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  329.748554]  ? __switch_to_asm+0x40/0x70
[  329.752608]  ? __switch_to_asm+0x34/0x70
[  329.756666]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  329.761515]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  329.766899] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  329.766959] aoe: skb alloc failure
[  329.773736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  329.773741] Call Trace:
[  329.773759]  dump_stack+0x244/0x39d
[  329.773780]  ? dump_stack_print_info.cold.1+0x20/0x20
[  329.777317] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  329.786648]  warn_alloc.cold.116+0xb7/0x1bd
[  329.789197] syz-executor4 cpuset=syz4 mems_allowed=0
[  329.792812]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  329.822649]  ? lock_downgrade+0x900/0x900
[  329.826798]  ? trace_hardirqs_off+0xb8/0x310
[  329.831216]  ? trace_hardirqs_off+0xb8/0x310
[  329.835625]  __alloc_pages_slowpath+0x26e8/0x2e10
[  329.840488]  ? warn_alloc+0x120/0x120
[  329.844293]  ? print_usage_bug+0xc0/0xc0
[  329.848347]  ? warn_alloc+0x120/0x120
[  329.852150]  ? warn_alloc+0x120/0x120
[  329.855966]  ? print_usage_bug+0xc0/0xc0
[  329.860030]  ? print_usage_bug+0xc0/0xc0
[  329.864089]  ? __lock_acquire+0x62f/0x4c20
[  329.868321]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  329.873855]  ? should_fail+0x22d/0xd01
[  329.877741]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  329.882840]  ? __lock_acquire+0x62f/0x4c20
[  329.887072]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  329.892171]  ? __lock_acquire+0x62f/0x4c20
[  329.896399]  ? should_fail+0x22d/0xd01
[  329.900277]  ? find_held_lock+0x36/0x1c0
[  329.904348]  ? mark_held_locks+0x130/0x130
[  329.908593]  ? mark_held_locks+0x130/0x130
[  329.912821]  ? zap_class+0x640/0x640
[  329.916529]  ? zap_class+0x640/0x640
[  329.920240]  ? print_usage_bug+0xc0/0xc0
[  329.924296]  ? do_raw_spin_unlock+0xa7/0x330
[  329.928696]  ? zap_class+0x640/0x640
[  329.932404]  ? print_usage_bug+0xc0/0xc0
[  329.936467]  ? wq_watchdog_touch+0x9c/0xfe
[  329.940711]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.946250]  ? check_preemption_disabled+0x48/0x280
[  329.951273]  ? __lock_is_held+0xb5/0x140
[  329.955337]  __alloc_pages_nodemask+0xa80/0xde0
[  329.959998]  ? zap_class+0x640/0x640
[  329.963717]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  329.968740]  ? find_held_lock+0x36/0x1c0
[  329.972802]  ? ____cache_alloc_node+0x1c7/0x1e0
[  329.977466]  ? lock_downgrade+0x900/0x900
[  329.982056]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.987599]  cache_grow_begin+0xa5/0x8c0
[  329.991657]  ? do_raw_spin_unlock+0xa7/0x330
[  329.996082]  fallback_alloc+0x204/0x2e0
[  330.000056]  ____cache_alloc_node+0x1c7/0x1e0
[  330.004554]  kmem_cache_alloc_node+0xe3/0x730
[  330.009046]  ? ipv6_get_ifaddr+0x42e/0x620
[  330.013287]  __alloc_skb+0x119/0x770
[  330.016994]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  330.022273]  ? netdev_alloc_frag+0x1f0/0x1f0
[  330.026677]  ? lock_downgrade+0x900/0x900
[  330.030827]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.036364]  ? refcount_sub_and_test_checked+0x203/0x310
[  330.041810]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  330.047260]  ? addrconf_rs_timer+0x690/0x690
[  330.051673]  ndisc_alloc_skb+0x144/0x340
[  330.055735]  ndisc_send_rs+0x331/0x6e0
[  330.059622]  addrconf_rs_timer+0x314/0x690
[  330.063858]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  330.068099]  call_timer_fn+0x272/0x920
[  330.071982]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  330.076213]  ? process_timeout+0x40/0x40
[  330.080275]  ? __run_timers+0x7da/0xc70
[  330.084247]  ? _raw_spin_unlock_irq+0x27/0x80
[  330.088736]  ? _raw_spin_unlock_irq+0x27/0x80
[  330.093224]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  330.097455]  ? lockdep_hardirqs_on+0x296/0x5b0
[  330.102039]  ? trace_hardirqs_on+0xbd/0x310
[  330.106354]  ? kasan_check_read+0x11/0x20
[  330.110513]  ? __run_timers+0x7da/0xc70
[  330.114487]  ? trace_hardirqs_off_caller+0x310/0x310
[  330.119590]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  330.123826]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  330.128057]  __run_timers+0x7e5/0xc70
[  330.131865]  ? timer_fixup_init+0x70/0x70
[  330.136012]  ? _raw_spin_unlock_irq+0x27/0x80
[  330.140504]  ? _raw_spin_unlock_irq+0x27/0x80
[  330.145000]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  330.150070]  ? trace_hardirqs_on+0xbd/0x310
[  330.154393]  ? kasan_check_read+0x11/0x20
[  330.158536]  ? finish_task_switch+0x1f4/0x910
[  330.163029]  ? trace_hardirqs_off_caller+0x310/0x310
[  330.168216]  ? compat_start_thread+0x80/0x80
[  330.172637]  ? pvclock_read_flags+0x160/0x160
[  330.177124]  ? __switch_to_asm+0x34/0x70
[  330.181179]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.186712]  ? check_preemption_disabled+0x48/0x280
[  330.191729]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  330.197279]  ? rcu_pm_notify+0xc0/0xc0
[  330.201184]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.206719]  ? check_preemption_disabled+0x48/0x280
[  330.211737]  run_timer_softirq+0x52/0xb0
[  330.215795]  ? rcu_read_lock_sched_held+0x14f/0x180
[  330.220810]  __do_softirq+0x308/0xb7e
[  330.224616]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  330.229713]  ? trace_hardirqs_off+0xb8/0x310
[  330.234118]  ? rcu_irq_enter+0x18c/0x310
[  330.238194]  ? schedule+0x108/0x460
[  330.241815]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  330.246575]  ? trace_hardirqs_off+0xb8/0x310
[  330.250978]  ? smpboot_thread_fn+0x68b/0xa00
[  330.255388]  ? trace_hardirqs_on+0x310/0x310
[  330.259791]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  330.265325]  ? check_preemption_disabled+0x48/0x280
[  330.270336]  ? takeover_tasklets+0xa90/0xa90
[  330.274739]  run_ksoftirqd+0x5e/0x100
[  330.278540]  smpboot_thread_fn+0x68b/0xa00
[  330.282773]  ? sort_range+0x30/0x30
[  330.286395]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  330.291500]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  330.297033]  ? __kthread_parkme+0xfb/0x1a0
[  330.301270]  ? sort_range+0x30/0x30
[  330.304890]  kthread+0x35a/0x440
[  330.308252]  ? kthread_stop+0x900/0x900
[  330.312223]  ret_from_fork+0x3a/0x50
[  330.315945] warn_alloc_show_mem: 1 callbacks suppressed
[  330.315955] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  330.315957] Mem-Info:
[  330.315991] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  330.315991]  active_file:16 inactive_file:14 isolated_file:0
[  330.315991]  unevictable:0 dirty:0 writeback:0 unstable:0
[  330.315991]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  330.315991]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  330.315991]  free:13767 free_pcp:490 free_cma:0
[  330.321327] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  330.328599] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  330.331000] Call Trace:
[  330.364036] 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
[  330.373377]  <IRQ>
[  330.401023] lowmem_reserve[]: 0 2818 6321 6321
[  330.403612]  dump_stack+0x244/0x39d
[  330.429693] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  330.431841]  ? dump_stack_print_info.cold.1+0x20/0x20
[  330.436386] lowmem_reserve[]: 0 0 3503 3503
[  330.440021]  warn_alloc.cold.116+0xb7/0x1bd
[  330.467480] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  330.472662]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  330.476959] lowmem_reserve[]: 0 0 0 0
[  330.481276]  ? lock_downgrade+0x900/0x900
[  330.510403] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  330.515242]  ? trace_hardirqs_off+0xb8/0x310
[  330.519021] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  330.523160]  ? trace_hardirqs_off+0xb8/0x310
[  330.536651] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  330.541056]  __alloc_pages_slowpath+0x26e8/0x2e10
[  330.556371] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  330.560785]  ? warn_alloc+0x120/0x120
[  330.575821] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  330.575828] 1997 total pagecache pages
[  330.580663]  ? warn_alloc+0x120/0x120
[  330.589479] 0 pages in swap cache
[  330.593263]  ? __lock_acquire+0x62f/0x4c20
[  330.601813] Swap cache stats: add 0, delete 0, find 0/0
[  330.605683]  ? warn_alloc+0x120/0x120
[  330.609464] Free swap  = 0kB
[  330.612904]  ? print_usage_bug+0xc0/0xc0
[  330.617108] Total swap = 0kB
[  330.622466]  ? print_usage_bug+0xc0/0xc0
[  330.626234] 1965979 pages RAM
[  330.629237]  ? mark_held_locks+0x130/0x130
[  330.633268] 0 pages HighMem/MovableOnly
[  330.636276]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  330.640307] 342853 pages reserved
[  330.643401]  ? should_fail+0x22d/0xd01
[  330.647611] 0 pages cma reserved
[  330.651570]  ? zap_class+0x640/0x640
[  330.657152] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  330.660518]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  330.660531]  ? __lock_acquire+0x62f/0x4c20
[  330.660548]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  330.664469] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  330.667758]  ? should_fail+0x22d/0xd01
[  330.671446] ksoftirqd/1 cpuset=/ mems_allowed=0
[  330.677931]  ? mark_held_locks+0x130/0x130
[  330.715336]  ? mark_held_locks+0x130/0x130
[  330.719566]  ? lock_downgrade+0x900/0x900
[  330.723732]  ? zap_class+0x640/0x640
[  330.727455]  ? zap_class+0x640/0x640
[  330.731168]  ? zap_class+0x640/0x640
[  330.734875]  ? do_raw_spin_unlock+0xa7/0x330
[  330.739321]  ? trace_hardirqs_on+0x310/0x310
[  330.743721]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.749257]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.754790]  ? check_preemption_disabled+0x48/0x280
[  330.759808]  ? __lock_is_held+0xb5/0x140
[  330.763956]  __alloc_pages_nodemask+0xa80/0xde0
[  330.768622]  ? zap_class+0x640/0x640
[  330.772337]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  330.777369]  ? find_held_lock+0x36/0x1c0
[  330.781449]  ? ____cache_alloc_node+0x1c7/0x1e0
[  330.786114]  ? lock_downgrade+0x900/0x900
[  330.790261]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.795796]  cache_grow_begin+0xa5/0x8c0
[  330.799850]  ? do_raw_spin_unlock+0xa7/0x330
[  330.804262]  fallback_alloc+0x204/0x2e0
[  330.808247]  ____cache_alloc_node+0x1c7/0x1e0
[  330.812744]  kmem_cache_alloc_node+0xe3/0x730
[  330.817234]  ? lockdep_hardirqs_on+0x296/0x5b0
[  330.821820]  __alloc_skb+0x119/0x770
[  330.825529]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  330.830890]  ? netdev_alloc_frag+0x1f0/0x1f0
[  330.835298]  ? vprintk_default+0x28/0x30
[  330.839353]  ? vprintk_func+0x85/0x181
[  330.843238]  ? printk+0xa7/0xcf
[  330.846520]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  330.851272]  ? do_raw_spin_trylock+0x270/0x270
[  330.855851]  new_skb+0x26/0x1c0
[  330.859131]  aoecmd_cfg+0x279/0x7f0
[  330.862750]  ? find_held_lock+0x36/0x1c0
[  330.866806]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  330.871126]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.876669]  ? __lock_is_held+0xb5/0x140
[  330.880736]  discover_timer+0x50/0x60
[  330.884529]  call_timer_fn+0x272/0x920
[  330.888431]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  330.893272]  ? process_timeout+0x40/0x40
[  330.897333]  ? __run_timers+0x7da/0xc70
[  330.901306]  ? _raw_spin_unlock_irq+0x27/0x80
[  330.905793]  ? _raw_spin_unlock_irq+0x27/0x80
[  330.910279]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  330.915119]  ? lockdep_hardirqs_on+0x296/0x5b0
[  330.919704]  ? trace_hardirqs_on+0xbd/0x310
[  330.924016]  ? kasan_check_read+0x11/0x20
[  330.928162]  ? __run_timers+0x7da/0xc70
[  330.932131]  ? trace_hardirqs_off_caller+0x310/0x310
[  330.937240]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  330.942077]  __run_timers+0x7e5/0xc70
[  330.945880]  ? timer_fixup_init+0x70/0x70
[  330.950035]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  330.955048]  ? zap_class+0x640/0x640
[  330.958763]  ? enqueue_hrtimer+0x1a5/0x560
[  330.962996]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  330.968189]  ? find_held_lock+0x36/0x1c0
[  330.972264]  ? zap_class+0x640/0x640
[  330.975975]  ? pvclock_read_flags+0x160/0x160
[  330.980466]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.985999]  ? check_preemption_disabled+0x48/0x280
[  330.991039]  ? __lock_is_held+0xb5/0x140
[  330.995097]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.000627]  ? check_preemption_disabled+0x48/0x280
[  331.005646]  run_timer_softirq+0x52/0xb0
[  331.009702]  ? rcu_read_lock_sched_held+0x14f/0x180
[  331.014715]  __do_softirq+0x308/0xb7e
[  331.018514]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  331.023004]  ? lock_downgrade+0x900/0x900
[  331.027261]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  331.032365]  ? pvclock_read_flags+0x160/0x160
[  331.036856]  ? lapic_next_event+0x5a/0x90
[  331.041000]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.046540]  ? kvm_clock_read+0x18/0x30
[  331.050509]  ? kvm_sched_clock_read+0x9/0x20
[  331.054914]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.060450]  ? check_preemption_disabled+0x48/0x280
[  331.065471]  irq_exit+0x17f/0x1c0
[  331.068933]  smp_apic_timer_interrupt+0x1cb/0x760
[  331.073767]  ? smp_reschedule_interrupt+0x109/0x650
[  331.078779]  ? smp_call_function_single_interrupt+0x650/0x650
[  331.084674]  ? interrupt_entry+0xb5/0xc0
[  331.088735]  ? trace_hardirqs_off_caller+0xbb/0x310
[  331.093746]  ? trace_hardirqs_off_caller+0xbb/0x310
[  331.098762]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  331.103598]  ? trace_hardirqs_on_caller+0x310/0x310
[  331.108610]  ? trace_hardirqs_on_caller+0x310/0x310
[  331.113619]  ? task_prio+0x50/0x50
[  331.117153]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.122683]  ? check_preemption_disabled+0x48/0x280
[  331.127697]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  331.132545]  apic_timer_interrupt+0xf/0x20
[  331.136780]  </IRQ>
[  331.139027] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  331.143953] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  331.162848] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  331.170551] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  331.177812] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  331.185078] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  331.192337] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  331.199601] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  331.206901]  skb_clone+0x1bb/0x500
[  331.210445]  ? finish_task_switch+0x2f4/0x910
[  331.214939]  ? skb_split+0x11e0/0x11e0
[  331.218822]  ? preempt_notifier_register+0x200/0x200
[  331.223920]  ? __switch_to_asm+0x34/0x70
[  331.227975]  ? __switch_to_asm+0x34/0x70
[  331.232025]  ? __switch_to_asm+0x40/0x70
[  331.236080]  ? __switch_to_asm+0x34/0x70
[  331.240129]  ? __switch_to_asm+0x40/0x70
[  331.244181]  ? __switch_to_asm+0x34/0x70
[  331.248237]  ? __switch_to_asm+0x40/0x70
[  331.252291]  ? __switch_to_asm+0x34/0x70
[  331.256342]  ? __switch_to_asm+0x34/0x70
[  331.260398]  ? __switch_to_asm+0x40/0x70
[  331.264472]  ? __switch_to_asm+0x34/0x70
[  331.268536]  bpf_clone_redirect+0xb9/0x490
[  331.272765]  ? __schedule+0x8d7/0x21d0
[  331.276652]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  331.281577]  ? __sched_text_start+0x8/0x8
[  331.285723]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  331.290298]  ? retint_kernel+0x2d/0x2d
[  331.294182]  ? trace_hardirqs_on_caller+0xc0/0x310
[  331.299111]  ? find_held_lock+0x36/0x1c0
[  331.303173]  ? lock_acquire+0x1ed/0x520
[  331.307145]  ? bpf_test_run+0x3cb/0x780
[  331.311114]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.316736]  ? check_preemption_disabled+0x48/0x280
[  331.321752]  ? kasan_check_read+0x11/0x20
[  331.325901]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  331.331171]  ? rcu_softirq_qs+0x20/0x20
[  331.335142]  ? preempt_schedule+0x4d/0x60
[  331.339285]  ? ___preempt_schedule+0x16/0x18
[  331.343702]  ? bpf_test_run+0x25d/0x780
[  331.347682]  ? netlink_diag_dump+0x2a0/0x2a0
[  331.352088]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  331.357620]  ? bpf_test_init.isra.10+0x70/0x100
[  331.362288]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  331.367049]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  331.371976]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  331.377507]  ? fput+0x130/0x1a0
[  331.380784]  ? __bpf_prog_get+0x9b/0x290
[  331.384846]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  331.389689]  ? bpf_prog_test_run+0x130/0x1a0
[  331.394093]  ? __x64_sys_bpf+0x3d8/0x520
[  331.398158]  ? bpf_prog_get+0x20/0x20
[  331.401993]  ? do_syscall_64+0x1b9/0x820
[  331.406046]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  331.411418]  ? syscall_return_slowpath+0x5e0/0x5e0
[  331.416352]  ? trace_hardirqs_on_caller+0x310/0x310
[  331.421372]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  331.426414]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  331.433071]  ? __switch_to_asm+0x40/0x70
[  331.437124]  ? __switch_to_asm+0x34/0x70
[  331.441188]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  331.446029]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  331.451415] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  331.451496] aoe: skb alloc failure
[  331.458260] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  331.458267] Call Trace:
[  331.461844] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  331.471183]  dump_stack+0x244/0x39d
[  331.473738] syz-executor4 cpuset=syz4 mems_allowed=0
[  331.484210]  ? dump_stack_print_info.cold.1+0x20/0x20
[  331.498194]  warn_alloc.cold.116+0xb7/0x1bd
[  331.502511]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  331.507352]  ? lock_downgrade+0x900/0x900
[  331.511511]  ? trace_hardirqs_off+0xb8/0x310
[  331.515920]  ? trace_hardirqs_off+0xb8/0x310
[  331.520348]  __alloc_pages_slowpath+0x26e8/0x2e10
[  331.525224]  ? warn_alloc+0x120/0x120
[  331.529020]  ? print_usage_bug+0xc0/0xc0
[  331.533075]  ? warn_alloc+0x120/0x120
[  331.536874]  ? warn_alloc+0x120/0x120
[  331.540673]  ? print_usage_bug+0xc0/0xc0
[  331.544732]  ? print_usage_bug+0xc0/0xc0
[  331.548791]  ? __lock_acquire+0x62f/0x4c20
[  331.553029]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  331.558577]  ? should_fail+0x22d/0xd01
[  331.562463]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  331.567567]  ? __lock_acquire+0x62f/0x4c20
[  331.571801]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  331.576900]  ? __lock_acquire+0x62f/0x4c20
[  331.581126]  ? should_fail+0x22d/0xd01
[  331.585010]  ? find_held_lock+0x36/0x1c0
[  331.589072]  ? mark_held_locks+0x130/0x130
[  331.593309]  ? mark_held_locks+0x130/0x130
[  331.597537]  ? zap_class+0x640/0x640
[  331.601246]  ? zap_class+0x640/0x640
[  331.604957]  ? print_usage_bug+0xc0/0xc0
[  331.609012]  ? do_raw_spin_unlock+0xa7/0x330
[  331.613415]  ? zap_class+0x640/0x640
[  331.617127]  ? print_usage_bug+0xc0/0xc0
[  331.621186]  ? wq_watchdog_touch+0x9c/0xfe
[  331.625417]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.630957]  ? check_preemption_disabled+0x48/0x280
[  331.635982]  ? __lock_is_held+0xb5/0x140
[  331.640043]  __alloc_pages_nodemask+0xa80/0xde0
[  331.644710]  ? zap_class+0x640/0x640
[  331.648429]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  331.653448]  ? find_held_lock+0x36/0x1c0
[  331.657520]  ? ____cache_alloc_node+0x1c7/0x1e0
[  331.662188]  ? lock_downgrade+0x900/0x900
[  331.666339]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.671884]  cache_grow_begin+0xa5/0x8c0
[  331.675941]  ? do_raw_spin_unlock+0xa7/0x330
[  331.680350]  fallback_alloc+0x204/0x2e0
[  331.684332]  ____cache_alloc_node+0x1c7/0x1e0
[  331.688832]  kmem_cache_alloc_node+0xe3/0x730
[  331.693326]  ? ipv6_get_ifaddr+0x42e/0x620
[  331.697575]  __alloc_skb+0x119/0x770
[  331.701282]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  331.706557]  ? netdev_alloc_frag+0x1f0/0x1f0
[  331.710961]  ? lock_downgrade+0x900/0x900
[  331.715110]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.720643]  ? refcount_sub_and_test_checked+0x203/0x310
[  331.726092]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  331.731537]  ? addrconf_rs_timer+0x690/0x690
[  331.735952]  ndisc_alloc_skb+0x144/0x340
[  331.740012]  ndisc_send_rs+0x331/0x6e0
[  331.743901]  addrconf_rs_timer+0x314/0x690
[  331.748136]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  331.752389]  call_timer_fn+0x272/0x920
[  331.756275]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  331.760506]  ? process_timeout+0x40/0x40
[  331.764570]  ? __run_timers+0x7da/0xc70
[  331.768548]  ? _raw_spin_unlock_irq+0x27/0x80
[  331.773034]  ? _raw_spin_unlock_irq+0x27/0x80
[  331.777537]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  331.781766]  ? lockdep_hardirqs_on+0x296/0x5b0
[  331.786343]  ? trace_hardirqs_on+0xbd/0x310
[  331.790666]  ? kasan_check_read+0x11/0x20
[  331.794810]  ? __run_timers+0x7da/0xc70
[  331.798784]  ? trace_hardirqs_off_caller+0x310/0x310
[  331.803889]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  331.808126]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  331.812361]  __run_timers+0x7e5/0xc70
[  331.816165]  ? timer_fixup_init+0x70/0x70
[  331.820305]  ? _raw_spin_unlock_irq+0x27/0x80
[  331.824795]  ? _raw_spin_unlock_irq+0x27/0x80
[  331.829289]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  331.833888]  ? trace_hardirqs_on+0xbd/0x310
[  331.838202]  ? kasan_check_read+0x11/0x20
[  331.842355]  ? finish_task_switch+0x1f4/0x910
[  331.846846]  ? trace_hardirqs_off_caller+0x310/0x310
[  331.851956]  ? compat_start_thread+0x80/0x80
[  331.856400]  ? pvclock_read_flags+0x160/0x160
[  331.860895]  ? __switch_to_asm+0x34/0x70
[  331.864955]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.870492]  ? check_preemption_disabled+0x48/0x280
[  331.875510]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  331.881042]  ? rcu_pm_notify+0xc0/0xc0
[  331.884926]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.890471]  ? check_preemption_disabled+0x48/0x280
[  331.895491]  run_timer_softirq+0x52/0xb0
[  331.899548]  ? rcu_read_lock_sched_held+0x14f/0x180
[  331.904559]  __do_softirq+0x308/0xb7e
[  331.908375]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  331.913477]  ? trace_hardirqs_off+0xb8/0x310
[  331.917896]  ? rcu_irq_enter+0x18c/0x310
[  331.921962]  ? schedule+0x108/0x460
[  331.925590]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  331.930355]  ? trace_hardirqs_off+0xb8/0x310
[  331.934758]  ? smpboot_thread_fn+0x68b/0xa00
[  331.939165]  ? trace_hardirqs_on+0x310/0x310
[  331.943572]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  331.949109]  ? check_preemption_disabled+0x48/0x280
[  331.954121]  ? takeover_tasklets+0xa90/0xa90
[  331.958528]  run_ksoftirqd+0x5e/0x100
[  331.962324]  smpboot_thread_fn+0x68b/0xa00
[  331.966561]  ? sort_range+0x30/0x30
[  331.970181]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  331.975282]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  331.981055]  ? __kthread_parkme+0xfb/0x1a0
[  331.985295]  ? sort_range+0x30/0x30
[  331.988915]  kthread+0x35a/0x440
[  331.992277]  ? kthread_stop+0x900/0x900
[  331.996248]  ret_from_fork+0x3a/0x50
[  331.999970] warn_alloc_show_mem: 1 callbacks suppressed
[  331.999980] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  331.999982] Mem-Info:
[  332.000013] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  332.000013]  active_file:16 inactive_file:14 isolated_file:0
[  332.000013]  unevictable:0 dirty:0 writeback:0 unstable:0
[  332.000013]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  332.000013]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  332.000013]  free:13767 free_pcp:490 free_cma:0
[  332.005451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  332.005458] Call Trace:
[  332.012732] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  332.015122]  <IRQ>
[  332.048153] 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
[  332.057504]  dump_stack+0x244/0x39d
[  332.060055] lowmem_reserve[]: 0 2818 6321 6321
[  332.087715]  ? dump_stack_print_info.cold.1+0x20/0x20
[  332.089946] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  332.116056]  warn_alloc.cold.116+0xb7/0x1bd
[  332.119644] lowmem_reserve[]: 0 0 3503 3503
[  332.124222]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  332.129383] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  332.157118]  ? lock_downgrade+0x900/0x900
[  332.161411] lowmem_reserve[]: 0 0 0 0
[  332.165728]  ? trace_hardirqs_off+0xb8/0x310
[  332.170554] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  332.199699]  ? trace_hardirqs_off+0xb8/0x310
[  332.203942] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  332.207742]  __alloc_pages_slowpath+0x26e8/0x2e10
[  332.212115] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  332.225654]  ? warn_alloc+0x120/0x120
[  332.230010] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  332.245347]  ? warn_alloc+0x120/0x120
[  332.250160] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  332.265225]  ? warn_alloc+0x120/0x120
[  332.268994] 1997 total pagecache pages
[  332.277814]  ? print_usage_bug+0xc0/0xc0
[  332.281594] 0 pages in swap cache
[  332.290158]  ? print_usage_bug+0xc0/0xc0
[  332.293933] Swap cache stats: add 0, delete 0, find 0/0
[  332.297803]  ? ktime_get+0x2c1/0x400
[  332.301835] Free swap  = 0kB
[  332.305275]  ? check_preemption_disabled+0x48/0x280
[  332.309304] Total swap = 0kB
[  332.314660]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  332.318344] 1965979 pages RAM
[  332.321351]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  332.326336] 0 pages HighMem/MovableOnly
[  332.326344] 342853 pages reserved
[  332.329355]  ? should_fail+0x22d/0xd01
[  332.333909] 0 pages cma reserved
[  332.337000]  ? kasan_check_read+0x11/0x20
[  332.342592] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  332.346472]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  332.350123] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  332.353781]  ? __lock_acquire+0x62f/0x4c20
[  332.357116] ksoftirqd/1 cpuset=/ mems_allowed=0
[  332.361252]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  332.397058]  ? should_fail+0x22d/0xd01
[  332.400941]  ? print_usage_bug+0xc0/0xc0
[  332.405009]  ? mark_held_locks+0x130/0x130
[  332.409241]  ? mark_held_locks+0x130/0x130
[  332.413477]  ? check_preemption_disabled+0x48/0x280
[  332.418492]  ? zap_class+0x640/0x640
[  332.422203]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  332.426969]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.432500]  ? check_preemption_disabled+0x48/0x280
[  332.437523]  ? __lock_is_held+0xb5/0x140
[  332.441596]  __alloc_pages_nodemask+0xa80/0xde0
[  332.446261]  ? zap_class+0x640/0x640
[  332.449972]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  332.454990]  ? find_held_lock+0x36/0x1c0
[  332.459053]  ? ____cache_alloc_node+0x1c7/0x1e0
[  332.463722]  ? lock_downgrade+0x900/0x900
[  332.467868]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.473406]  cache_grow_begin+0xa5/0x8c0
[  332.477463]  ? do_raw_spin_unlock+0xa7/0x330
[  332.481896]  fallback_alloc+0x204/0x2e0
[  332.485880]  ____cache_alloc_node+0x1c7/0x1e0
[  332.490375]  kmem_cache_alloc_node+0xe3/0x730
[  332.494865]  ? lockdep_hardirqs_on+0x296/0x5b0
[  332.499453]  __alloc_skb+0x119/0x770
[  332.503160]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  332.508525]  ? netdev_alloc_frag+0x1f0/0x1f0
[  332.512946]  ? vprintk_default+0x28/0x30
[  332.517003]  ? vprintk_func+0x85/0x181
[  332.520885]  ? printk+0xa7/0xcf
[  332.524158]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  332.528909]  ? do_raw_spin_trylock+0x270/0x270
[  332.533489]  new_skb+0x26/0x1c0
[  332.536764]  aoecmd_cfg+0x279/0x7f0
[  332.540385]  ? find_held_lock+0x36/0x1c0
[  332.544444]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  332.548767]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.554324]  ? __lock_is_held+0xb5/0x140
[  332.558394]  discover_timer+0x50/0x60
[  332.562189]  call_timer_fn+0x272/0x920
[  332.566161]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  332.570999]  ? process_timeout+0x40/0x40
[  332.575069]  ? __run_timers+0x7da/0xc70
[  332.579038]  ? _raw_spin_unlock_irq+0x27/0x80
[  332.583619]  ? _raw_spin_unlock_irq+0x27/0x80
[  332.588112]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  332.592949]  ? lockdep_hardirqs_on+0x296/0x5b0
[  332.597528]  ? trace_hardirqs_on+0xbd/0x310
[  332.601846]  ? kasan_check_read+0x11/0x20
[  332.605990]  ? __run_timers+0x7da/0xc70
[  332.609959]  ? trace_hardirqs_off_caller+0x310/0x310
[  332.615073]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  332.619907]  __run_timers+0x7e5/0xc70
[  332.623710]  ? timer_fixup_init+0x70/0x70
[  332.627852]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  332.632865]  ? zap_class+0x640/0x640
[  332.636585]  ? enqueue_hrtimer+0x1a5/0x560
[  332.640816]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  332.646005]  ? find_held_lock+0x36/0x1c0
[  332.650067]  ? zap_class+0x640/0x640
[  332.653789]  ? pvclock_read_flags+0x160/0x160
[  332.658279]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.663822]  ? check_preemption_disabled+0x48/0x280
[  332.668845]  ? __lock_is_held+0xb5/0x140
[  332.672899]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.678435]  ? check_preemption_disabled+0x48/0x280
[  332.683450]  run_timer_softirq+0x52/0xb0
[  332.687510]  ? rcu_read_lock_sched_held+0x14f/0x180
[  332.692519]  __do_softirq+0x308/0xb7e
[  332.696326]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  332.700813]  ? lock_downgrade+0x900/0x900
[  332.704958]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  332.710062]  ? pvclock_read_flags+0x160/0x160
[  332.714570]  ? lapic_next_event+0x5a/0x90
[  332.718716]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.724254]  ? kvm_clock_read+0x18/0x30
[  332.728227]  ? kvm_sched_clock_read+0x9/0x20
[  332.732630]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.738160]  ? check_preemption_disabled+0x48/0x280
[  332.743182]  irq_exit+0x17f/0x1c0
[  332.746637]  smp_apic_timer_interrupt+0x1cb/0x760
[  332.751476]  ? smp_reschedule_interrupt+0x109/0x650
[  332.756491]  ? smp_call_function_single_interrupt+0x650/0x650
[  332.762367]  ? interrupt_entry+0xb5/0xc0
[  332.766424]  ? trace_hardirqs_off_caller+0xbb/0x310
[  332.771437]  ? trace_hardirqs_off_caller+0xbb/0x310
[  332.776448]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  332.781300]  ? trace_hardirqs_on_caller+0x310/0x310
[  332.786313]  ? trace_hardirqs_on_caller+0x310/0x310
[  332.791324]  ? task_prio+0x50/0x50
[  332.794860]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.800394]  ? check_preemption_disabled+0x48/0x280
[  332.805412]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  332.810254]  apic_timer_interrupt+0xf/0x20
[  332.814485]  </IRQ>
[  332.816716] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  332.821638] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  332.840535] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  332.848234] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  332.855494] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  332.862757] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  332.870019] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  332.877292] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  332.884591]  skb_clone+0x1bb/0x500
[  332.888128]  ? finish_task_switch+0x2f4/0x910
[  332.892629]  ? skb_split+0x11e0/0x11e0
[  332.896510]  ? preempt_notifier_register+0x200/0x200
[  332.901622]  ? __switch_to_asm+0x34/0x70
[  332.905680]  ? __switch_to_asm+0x34/0x70
[  332.909732]  ? __switch_to_asm+0x40/0x70
[  332.913785]  ? __switch_to_asm+0x34/0x70
[  332.917837]  ? __switch_to_asm+0x40/0x70
[  332.921890]  ? __switch_to_asm+0x34/0x70
[  332.926028]  ? __switch_to_asm+0x40/0x70
[  332.930107]  ? __switch_to_asm+0x34/0x70
[  332.934161]  ? __switch_to_asm+0x34/0x70
[  332.938212]  ? __switch_to_asm+0x40/0x70
[  332.942271]  ? __switch_to_asm+0x34/0x70
[  332.946339]  bpf_clone_redirect+0xb9/0x490
[  332.950572]  ? __schedule+0x8d7/0x21d0
[  332.954458]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  332.959386]  ? __sched_text_start+0x8/0x8
[  332.963544]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  332.968121]  ? retint_kernel+0x2d/0x2d
[  332.972001]  ? trace_hardirqs_on_caller+0xc0/0x310
[  332.976929]  ? find_held_lock+0x36/0x1c0
[  332.980995]  ? lock_acquire+0x1ed/0x520
[  332.984985]  ? bpf_test_run+0x3cb/0x780
[  332.988954]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.994494]  ? check_preemption_disabled+0x48/0x280
[  332.999512]  ? kasan_check_read+0x11/0x20
[  333.003652]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  333.008925]  ? rcu_softirq_qs+0x20/0x20
[  333.012896]  ? preempt_schedule+0x4d/0x60
[  333.017048]  ? ___preempt_schedule+0x16/0x18
[  333.021457]  ? bpf_test_run+0x25d/0x780
[  333.025437]  ? netlink_diag_dump+0x2a0/0x2a0
[  333.029843]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  333.035375]  ? bpf_test_init.isra.10+0x70/0x100
[  333.040041]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  333.044800]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  333.049808]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  333.055343]  ? fput+0x130/0x1a0
[  333.058616]  ? __bpf_prog_get+0x9b/0x290
[  333.062670]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  333.067501]  ? bpf_prog_test_run+0x130/0x1a0
[  333.071907]  ? __x64_sys_bpf+0x3d8/0x520
[  333.075975]  ? bpf_prog_get+0x20/0x20
[  333.079784]  ? do_syscall_64+0x1b9/0x820
[  333.083842]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  333.089205]  ? syscall_return_slowpath+0x5e0/0x5e0
[  333.094133]  ? trace_hardirqs_on_caller+0x310/0x310
[  333.099153]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  333.104162]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  333.110828]  ? __switch_to_asm+0x40/0x70
[  333.114881]  ? __switch_to_asm+0x34/0x70
[  333.118949]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  333.123795]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  333.129175] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  333.129234] aoe: skb alloc failure
[  333.136018] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  333.136025] Call Trace:
[  333.139599] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  333.148888]  dump_stack+0x244/0x39d
[  333.151443] syz-executor4 cpuset=syz4 mems_allowed=0
[  333.161914]  ? dump_stack_print_info.cold.1+0x20/0x20
[  333.175811]  warn_alloc.cold.116+0xb7/0x1bd
[  333.180130]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  333.184973]  ? lock_downgrade+0x900/0x900
[  333.189127]  ? trace_hardirqs_off+0xb8/0x310
[  333.193538]  ? trace_hardirqs_off+0xb8/0x310
[  333.197950]  __alloc_pages_slowpath+0x26e8/0x2e10
[  333.202814]  ? warn_alloc+0x120/0x120
[  333.206622]  ? warn_alloc+0x120/0x120
[  333.210424]  ? warn_alloc+0x120/0x120
[  333.214218]  ? print_usage_bug+0xc0/0xc0
[  333.218274]  ? check_preemption_disabled+0x48/0x280
[  333.223287]  ? print_usage_bug+0xc0/0xc0
[  333.227341]  ? kasan_check_read+0x11/0x20
[  333.231486]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  333.236762]  ? rcu_softirq_qs+0x20/0x20
[  333.240732]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  333.246342]  ? should_fail+0x22d/0xd01
[  333.250226]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  333.255442]  ? __lock_acquire+0x62f/0x4c20
[  333.259675]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  333.264773]  ? __lock_acquire+0x62f/0x4c20
[  333.268999]  ? should_fail+0x22d/0xd01
[  333.272892]  ? mark_held_locks+0x130/0x130
[  333.277128]  ? mark_held_locks+0x130/0x130
[  333.281403]  ? __enqueue_entity+0x10d/0x1f0
[  333.285721]  ? zap_class+0x640/0x640
[  333.289426]  ? print_usage_bug+0xc0/0xc0
[  333.293492]  ? enqueue_entity+0x34b/0x20a0
[  333.297724]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  333.303266]  ? check_preemption_disabled+0x48/0x280
[  333.308304]  ? __lock_is_held+0xb5/0x140
[  333.312360]  __alloc_pages_nodemask+0xa80/0xde0
[  333.317021]  ? zap_class+0x640/0x640
[  333.320733]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  333.325777]  ? find_held_lock+0x36/0x1c0
[  333.329851]  ? ____cache_alloc_node+0x1c7/0x1e0
[  333.334524]  ? lock_downgrade+0x900/0x900
[  333.338808]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  333.344344]  cache_grow_begin+0xa5/0x8c0
[  333.348399]  ? do_raw_spin_unlock+0xa7/0x330
[  333.352810]  fallback_alloc+0x204/0x2e0
[  333.356788]  ____cache_alloc_node+0x1c7/0x1e0
[  333.361282]  kmem_cache_alloc_node+0xe3/0x730
[  333.365781]  ? ipv6_get_ifaddr+0x42e/0x620
[  333.370025]  __alloc_skb+0x119/0x770
[  333.373735]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  333.379021]  ? netdev_alloc_frag+0x1f0/0x1f0
[  333.383424]  ? lock_downgrade+0x900/0x900
[  333.387577]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  333.393108]  ? refcount_sub_and_test_checked+0x203/0x310
[  333.398559]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  333.404003]  ? addrconf_rs_timer+0x690/0x690
[  333.408415]  ndisc_alloc_skb+0x144/0x340
[  333.412504]  ndisc_send_rs+0x331/0x6e0
[  333.416389]  addrconf_rs_timer+0x314/0x690
[  333.420620]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  333.424858]  call_timer_fn+0x272/0x920
[  333.428753]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  333.432981]  ? process_timeout+0x40/0x40
[  333.437043]  ? __run_timers+0x7da/0xc70
[  333.441014]  ? _raw_spin_unlock_irq+0x27/0x80
[  333.445502]  ? _raw_spin_unlock_irq+0x27/0x80
[  333.449993]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  333.454220]  ? lockdep_hardirqs_on+0x296/0x5b0
[  333.458814]  ? trace_hardirqs_on+0xbd/0x310
[  333.463128]  ? kasan_check_read+0x11/0x20
[  333.467275]  ? __run_timers+0x7da/0xc70
[  333.471269]  ? trace_hardirqs_off_caller+0x310/0x310
[  333.476398]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  333.480626]  __run_timers+0x7e5/0xc70
[  333.484431]  ? timer_fixup_init+0x70/0x70
[  333.488572]  ? _raw_spin_unlock_irq+0x27/0x80
[  333.493063]  ? _raw_spin_unlock_irq+0x27/0x80
[  333.497554]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  333.502137]  ? trace_hardirqs_on+0xbd/0x310
[  333.506454]  ? kasan_check_read+0x11/0x20
[  333.510597]  ? finish_task_switch+0x1f4/0x910
[  333.515088]  ? trace_hardirqs_off_caller+0x310/0x310
[  333.520193]  ? compat_start_thread+0x80/0x80
[  333.524622]  ? pvclock_read_flags+0x160/0x160
[  333.529109]  ? __switch_to_asm+0x34/0x70
[  333.533170]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  333.538702]  ? check_preemption_disabled+0x48/0x280
[  333.543723]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  333.549258]  ? rcu_pm_notify+0xc0/0xc0
[  333.553140]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  333.558672]  ? check_preemption_disabled+0x48/0x280
[  333.563692]  run_timer_softirq+0x52/0xb0
[  333.567750]  ? rcu_read_lock_sched_held+0x14f/0x180
[  333.572761]  __do_softirq+0x308/0xb7e
[  333.576565]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  333.581677]  ? trace_hardirqs_off+0xb8/0x310
[  333.586078]  ? rcu_irq_enter+0x18c/0x310
[  333.590139]  ? schedule+0x108/0x460
[  333.593773]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  333.598553]  ? trace_hardirqs_off+0xb8/0x310
[  333.602970]  ? smpboot_thread_fn+0x68b/0xa00
[  333.607374]  ? trace_hardirqs_on+0x310/0x310
[  333.611778]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  333.617309]  ? check_preemption_disabled+0x48/0x280
[  333.622325]  ? takeover_tasklets+0xa90/0xa90
[  333.626736]  run_ksoftirqd+0x5e/0x100
[  333.630533]  smpboot_thread_fn+0x68b/0xa00
[  333.634770]  ? sort_range+0x30/0x30
[  333.638395]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  333.643493]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  333.649030]  ? __kthread_parkme+0xfb/0x1a0
[  333.653261]  ? sort_range+0x30/0x30
[  333.656882]  kthread+0x35a/0x440
[  333.660242]  ? kthread_stop+0x900/0x900
[  333.664228]  ret_from_fork+0x3a/0x50
[  333.667951] warn_alloc_show_mem: 1 callbacks suppressed
[  333.667961] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  333.667962] Mem-Info:
[  333.667992] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  333.667992]  active_file:16 inactive_file:14 isolated_file:0
[  333.667992]  unevictable:0 dirty:0 writeback:0 unstable:0
[  333.667992]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  333.667992]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  333.667992]  free:13767 free_pcp:490 free_cma:0
[  333.673323] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  333.673330] Call Trace:
[  333.680604] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  333.682993]  <IRQ>
[  333.716022] 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
[  333.725366]  dump_stack+0x244/0x39d
[  333.727920] lowmem_reserve[]: 0 2818 6321 6321
[  333.755593]  ? dump_stack_print_info.cold.1+0x20/0x20
[  333.757717] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  333.783845]  warn_alloc.cold.116+0xb7/0x1bd
[  333.787429] lowmem_reserve[]: 0 0 3503 3503
[  333.792005]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  333.797164] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  333.824649]  ? lock_downgrade+0x900/0x900
[  333.828948] lowmem_reserve[]: 0 0 0 0
[  333.833279]  ? trace_hardirqs_off+0xb8/0x310
[  333.838090] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  333.867314]  ? trace_hardirqs_off+0xb8/0x310
[  333.871429] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  333.875236]  __alloc_pages_slowpath+0x26e8/0x2e10
[  333.879613] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  333.893152]  ? warn_alloc+0x120/0x120
[  333.897519] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  333.912847]  ? warn_alloc+0x120/0x120
[  333.917662] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  333.932734]  ? warn_alloc+0x120/0x120
[  333.936517] 1997 total pagecache pages
[  333.945338]  ? print_usage_bug+0xc0/0xc0
[  333.949131] 0 pages in swap cache
[  333.957701]  ? print_usage_bug+0xc0/0xc0
[  333.961490] Swap cache stats: add 0, delete 0, find 0/0
[  333.965360]  ? ktime_get+0x2c1/0x400
[  333.969391] Free swap  = 0kB
[  333.972844]  ? check_preemption_disabled+0x48/0x280
[  333.976875] Total swap = 0kB
[  333.982685]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  333.982704]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  333.986397] 1965979 pages RAM
[  333.989399]  ? should_fail+0x22d/0xd01
[  333.994380] 0 pages HighMem/MovableOnly
[  333.994387] 342853 pages reserved
[  333.997393]  ? kasan_check_read+0x11/0x20
[  334.001857] 0 pages cma reserved
[  334.007381]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  334.010523] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  334.014337]  ? __lock_acquire+0x62f/0x4c20
[  334.018383] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  334.021727]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  334.025844] ksoftirqd/1 cpuset=/ mems_allowed=0
[  334.029208]  ? should_fail+0x22d/0xd01
[  334.068852]  ? print_usage_bug+0xc0/0xc0
[  334.072916]  ? mark_held_locks+0x130/0x130
[  334.077151]  ? mark_held_locks+0x130/0x130
[  334.081392]  ? check_preemption_disabled+0x48/0x280
[  334.086412]  ? zap_class+0x640/0x640
[  334.090123]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  334.094874]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.100409]  ? check_preemption_disabled+0x48/0x280
[  334.105426]  ? __lock_is_held+0xb5/0x140
[  334.109488]  __alloc_pages_nodemask+0xa80/0xde0
[  334.114150]  ? zap_class+0x640/0x640
[  334.117869]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  334.122891]  ? find_held_lock+0x36/0x1c0
[  334.126957]  ? ____cache_alloc_node+0x1c7/0x1e0
[  334.131624]  ? lock_downgrade+0x900/0x900
[  334.135773]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.141309]  cache_grow_begin+0xa5/0x8c0
[  334.145467]  ? do_raw_spin_unlock+0xa7/0x330
[  334.149874]  fallback_alloc+0x204/0x2e0
[  334.153862]  ____cache_alloc_node+0x1c7/0x1e0
[  334.158357]  kmem_cache_alloc_node+0xe3/0x730
[  334.162847]  ? lockdep_hardirqs_on+0x296/0x5b0
[  334.167442]  __alloc_skb+0x119/0x770
[  334.171157]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  334.176528]  ? netdev_alloc_frag+0x1f0/0x1f0
[  334.180938]  ? vprintk_default+0x28/0x30
[  334.184993]  ? vprintk_func+0x85/0x181
[  334.188878]  ? printk+0xa7/0xcf
[  334.192151]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  334.197086]  ? do_raw_spin_trylock+0x270/0x270
[  334.201666]  new_skb+0x26/0x1c0
[  334.204939]  aoecmd_cfg+0x279/0x7f0
[  334.208561]  ? find_held_lock+0x36/0x1c0
[  334.212618]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  334.216939]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.222480]  ? __lock_is_held+0xb5/0x140
[  334.226545]  discover_timer+0x50/0x60
[  334.230338]  call_timer_fn+0x272/0x920
[  334.234219]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  334.239055]  ? process_timeout+0x40/0x40
[  334.243118]  ? __run_timers+0x7da/0xc70
[  334.247092]  ? _raw_spin_unlock_irq+0x27/0x80
[  334.251580]  ? _raw_spin_unlock_irq+0x27/0x80
[  334.256078]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  334.260919]  ? lockdep_hardirqs_on+0x296/0x5b0
[  334.265497]  ? trace_hardirqs_on+0xbd/0x310
[  334.269991]  ? kasan_check_read+0x11/0x20
[  334.274132]  ? __run_timers+0x7da/0xc70
[  334.278107]  ? trace_hardirqs_off_caller+0x310/0x310
[  334.283224]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  334.288057]  __run_timers+0x7e5/0xc70
[  334.291865]  ? timer_fixup_init+0x70/0x70
[  334.296026]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  334.301040]  ? zap_class+0x640/0x640
[  334.304755]  ? enqueue_hrtimer+0x1a5/0x560
[  334.308988]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  334.314197]  ? find_held_lock+0x36/0x1c0
[  334.318263]  ? zap_class+0x640/0x640
[  334.321985]  ? pvclock_read_flags+0x160/0x160
[  334.326474]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.332006]  ? check_preemption_disabled+0x48/0x280
[  334.337034]  ? __lock_is_held+0xb5/0x140
[  334.341094]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.346641]  ? check_preemption_disabled+0x48/0x280
[  334.351653]  run_timer_softirq+0x52/0xb0
[  334.355705]  ? rcu_read_lock_sched_held+0x14f/0x180
[  334.360716]  __do_softirq+0x308/0xb7e
[  334.364516]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  334.369008]  ? lock_downgrade+0x900/0x900
[  334.373152]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  334.378264]  ? pvclock_read_flags+0x160/0x160
[  334.382762]  ? lapic_next_event+0x5a/0x90
[  334.386907]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.392444]  ? kvm_clock_read+0x18/0x30
[  334.396417]  ? kvm_sched_clock_read+0x9/0x20
[  334.400819]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.406350]  ? check_preemption_disabled+0x48/0x280
[  334.411368]  irq_exit+0x17f/0x1c0
[  334.414822]  smp_apic_timer_interrupt+0x1cb/0x760
[  334.419661]  ? smp_reschedule_interrupt+0x109/0x650
[  334.424677]  ? smp_call_function_single_interrupt+0x650/0x650
[  334.430555]  ? interrupt_entry+0xb5/0xc0
[  334.434611]  ? trace_hardirqs_off_caller+0xbb/0x310
[  334.439623]  ? trace_hardirqs_off_caller+0xbb/0x310
[  334.444638]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  334.449478]  ? trace_hardirqs_on_caller+0x310/0x310
[  334.454489]  ? trace_hardirqs_on_caller+0x310/0x310
[  334.459500]  ? task_prio+0x50/0x50
[  334.463037]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.468569]  ? check_preemption_disabled+0x48/0x280
[  334.473595]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  334.478439]  apic_timer_interrupt+0xf/0x20
[  334.482661]  </IRQ>
[  334.484896] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  334.489826] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  334.508805] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  334.516596] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  334.523856] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  334.531116] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  334.538385] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  334.545648] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  334.552946]  skb_clone+0x1bb/0x500
[  334.556481]  ? finish_task_switch+0x2f4/0x910
[  334.560972]  ? skb_split+0x11e0/0x11e0
[  334.564854]  ? preempt_notifier_register+0x200/0x200
[  334.569952]  ? __switch_to_asm+0x34/0x70
[  334.574005]  ? __switch_to_asm+0x34/0x70
[  334.578062]  ? __switch_to_asm+0x40/0x70
[  334.582225]  ? __switch_to_asm+0x34/0x70
[  334.586278]  ? __switch_to_asm+0x40/0x70
[  334.590330]  ? __switch_to_asm+0x34/0x70
[  334.594380]  ? __switch_to_asm+0x40/0x70
[  334.598433]  ? __switch_to_asm+0x34/0x70
[  334.602488]  ? __switch_to_asm+0x34/0x70
[  334.606543]  ? __switch_to_asm+0x40/0x70
[  334.610600]  ? __switch_to_asm+0x34/0x70
[  334.614661]  bpf_clone_redirect+0xb9/0x490
[  334.618898]  ? __schedule+0x8d7/0x21d0
[  334.622789]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  334.627716]  ? __sched_text_start+0x8/0x8
[  334.631865]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  334.636440]  ? retint_kernel+0x2d/0x2d
[  334.640325]  ? trace_hardirqs_on_caller+0xc0/0x310
[  334.645253]  ? find_held_lock+0x36/0x1c0
[  334.649315]  ? lock_acquire+0x1ed/0x520
[  334.653285]  ? bpf_test_run+0x3cb/0x780
[  334.657258]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.662789]  ? check_preemption_disabled+0x48/0x280
[  334.667806]  ? kasan_check_read+0x11/0x20
[  334.671948]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  334.677221]  ? rcu_softirq_qs+0x20/0x20
[  334.681194]  ? preempt_schedule+0x4d/0x60
[  334.685336]  ? ___preempt_schedule+0x16/0x18
[  334.689747]  ? bpf_test_run+0x25d/0x780
[  334.693729]  ? netlink_diag_dump+0x2a0/0x2a0
[  334.698143]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  334.703676]  ? bpf_test_init.isra.10+0x70/0x100
[  334.708343]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  334.713101]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  334.717943]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  334.723479]  ? fput+0x130/0x1a0
[  334.726757]  ? __bpf_prog_get+0x9b/0x290
[  334.730814]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  334.735657]  ? bpf_prog_test_run+0x130/0x1a0
[  334.740063]  ? __x64_sys_bpf+0x3d8/0x520
[  334.744116]  ? bpf_prog_get+0x20/0x20
[  334.747940]  ? do_syscall_64+0x1b9/0x820
[  334.751992]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  334.757350]  ? syscall_return_slowpath+0x5e0/0x5e0
[  334.762275]  ? trace_hardirqs_on_caller+0x310/0x310
[  334.767285]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  334.772296]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  334.778955]  ? __switch_to_asm+0x40/0x70
[  334.783010]  ? __switch_to_asm+0x34/0x70
[  334.787069]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  334.791916]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  334.797292] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  334.797351] aoe: skb alloc failure
[  334.804143] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  334.804148] Call Trace:
[  334.804164]  dump_stack+0x244/0x39d
[  334.804182]  ? dump_stack_print_info.cold.1+0x20/0x20
[  334.804209]  warn_alloc.cold.116+0xb7/0x1bd
[  334.807746] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  334.817068]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  334.819623] syz-executor4 cpuset=syz4 mems_allowed=0
[  334.823602]  ? lock_downgrade+0x900/0x900
[  334.857673]  ? trace_hardirqs_off+0xb8/0x310
[  334.862086]  ? trace_hardirqs_off+0xb8/0x310
[  334.866504]  __alloc_pages_slowpath+0x26e8/0x2e10
[  334.871367]  ? warn_alloc+0x120/0x120
[  334.875167]  ? warn_alloc+0x120/0x120
[  334.878970]  ? warn_alloc+0x120/0x120
[  334.882770]  ? print_usage_bug+0xc0/0xc0
[  334.886825]  ? check_preemption_disabled+0x48/0x280
[  334.891842]  ? print_usage_bug+0xc0/0xc0
[  334.895906]  ? kasan_check_read+0x11/0x20
[  334.900046]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  334.905320]  ? rcu_softirq_qs+0x20/0x20
[  334.909292]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  334.914820]  ? should_fail+0x22d/0xd01
[  334.918705]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  334.923807]  ? __lock_acquire+0x62f/0x4c20
[  334.928042]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  334.933141]  ? __lock_acquire+0x62f/0x4c20
[  334.937368]  ? should_fail+0x22d/0xd01
[  334.941259]  ? mark_held_locks+0x130/0x130
[  334.945492]  ? mark_held_locks+0x130/0x130
[  334.949718]  ? __enqueue_entity+0x10d/0x1f0
[  334.954035]  ? zap_class+0x640/0x640
[  334.957740]  ? print_usage_bug+0xc0/0xc0
[  334.961805]  ? enqueue_entity+0x34b/0x20a0
[  334.966041]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.971570]  ? check_preemption_disabled+0x48/0x280
[  334.976588]  ? __lock_is_held+0xb5/0x140
[  334.980651]  __alloc_pages_nodemask+0xa80/0xde0
[  334.985316]  ? zap_class+0x640/0x640
[  334.989028]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  334.994052]  ? find_held_lock+0x36/0x1c0
[  334.998146]  ? ____cache_alloc_node+0x1c7/0x1e0
[  335.002813]  ? lock_downgrade+0x900/0x900
[  335.006966]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.012501]  cache_grow_begin+0xa5/0x8c0
[  335.016562]  ? do_raw_spin_unlock+0xa7/0x330
[  335.020971]  fallback_alloc+0x204/0x2e0
[  335.025065]  ____cache_alloc_node+0x1c7/0x1e0
[  335.029563]  kmem_cache_alloc_node+0xe3/0x730
[  335.034053]  ? ipv6_get_ifaddr+0x42e/0x620
[  335.038318]  __alloc_skb+0x119/0x770
[  335.042026]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  335.047307]  ? netdev_alloc_frag+0x1f0/0x1f0
[  335.051710]  ? lock_downgrade+0x900/0x900
[  335.055859]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.061403]  ? refcount_sub_and_test_checked+0x203/0x310
[  335.066850]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  335.072313]  ? addrconf_rs_timer+0x690/0x690
[  335.076732]  ndisc_alloc_skb+0x144/0x340
[  335.080790]  ndisc_send_rs+0x331/0x6e0
[  335.084686]  addrconf_rs_timer+0x314/0x690
[  335.088919]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  335.093160]  call_timer_fn+0x272/0x920
[  335.097044]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  335.101285]  ? process_timeout+0x40/0x40
[  335.105347]  ? __run_timers+0x7da/0xc70
[  335.109317]  ? _raw_spin_unlock_irq+0x27/0x80
[  335.113806]  ? _raw_spin_unlock_irq+0x27/0x80
[  335.118294]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  335.122524]  ? lockdep_hardirqs_on+0x296/0x5b0
[  335.127106]  ? trace_hardirqs_on+0xbd/0x310
[  335.131534]  ? kasan_check_read+0x11/0x20
[  335.135679]  ? __run_timers+0x7da/0xc70
[  335.139652]  ? trace_hardirqs_off_caller+0x310/0x310
[  335.144759]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  335.148990]  __run_timers+0x7e5/0xc70
[  335.152798]  ? timer_fixup_init+0x70/0x70
[  335.157027]  ? _raw_spin_unlock_irq+0x27/0x80
[  335.161516]  ? _raw_spin_unlock_irq+0x27/0x80
[  335.166023]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  335.170604]  ? trace_hardirqs_on+0xbd/0x310
[  335.174934]  ? kasan_check_read+0x11/0x20
[  335.179076]  ? finish_task_switch+0x1f4/0x910
[  335.183571]  ? trace_hardirqs_off_caller+0x310/0x310
[  335.188671]  ? compat_start_thread+0x80/0x80
[  335.193101]  ? pvclock_read_flags+0x160/0x160
[  335.197590]  ? __switch_to_asm+0x34/0x70
[  335.201651]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.207183]  ? check_preemption_disabled+0x48/0x280
[  335.212206]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  335.217738]  ? rcu_pm_notify+0xc0/0xc0
[  335.221625]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.227161]  ? check_preemption_disabled+0x48/0x280
[  335.232176]  run_timer_softirq+0x52/0xb0
[  335.236234]  ? rcu_read_lock_sched_held+0x14f/0x180
[  335.241263]  __do_softirq+0x308/0xb7e
[  335.245066]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  335.250170]  ? trace_hardirqs_off+0xb8/0x310
[  335.254571]  ? rcu_irq_enter+0x18c/0x310
[  335.258637]  ? schedule+0x108/0x460
[  335.262262]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  335.267019]  ? trace_hardirqs_off+0xb8/0x310
[  335.271426]  ? smpboot_thread_fn+0x68b/0xa00
[  335.275831]  ? trace_hardirqs_on+0x310/0x310
[  335.280249]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  335.285783]  ? check_preemption_disabled+0x48/0x280
[  335.290794]  ? takeover_tasklets+0xa90/0xa90
[  335.295216]  run_ksoftirqd+0x5e/0x100
[  335.299010]  smpboot_thread_fn+0x68b/0xa00
[  335.303258]  ? sort_range+0x30/0x30
[  335.306898]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  335.311995]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  335.317527]  ? __kthread_parkme+0xfb/0x1a0
[  335.321763]  ? sort_range+0x30/0x30
[  335.325384]  kthread+0x35a/0x440
[  335.328747]  ? kthread_stop+0x900/0x900
[  335.332718]  ret_from_fork+0x3a/0x50
[  335.336443] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  335.336448] warn_alloc_show_mem: 1 callbacks suppressed
[  335.336455] Mem-Info:
[  335.343722] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  335.349089] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  335.349089]  active_file:16 inactive_file:14 isolated_file:0
[  335.349089]  unevictable:0 dirty:0 writeback:0 unstable:0
[  335.349089]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  335.349089]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  335.349089]  free:13767 free_pcp:490 free_cma:0
[  335.351464] Call Trace:
[  335.360840] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  335.393849]  <IRQ>
[  335.396416] 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
[  335.424101]  dump_stack+0x244/0x39d
[  335.426213] lowmem_reserve[]: 0 2818 6321 6321
[  335.452321]  ? dump_stack_print_info.cold.1+0x20/0x20
[  335.455916] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  335.460497]  warn_alloc.cold.116+0xb7/0x1bd
[  335.465644] lowmem_reserve[]: 0 0 3503 3503
[  335.493139]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  335.497430] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  335.501742]  ? lock_downgrade+0x900/0x900
[  335.506567] lowmem_reserve[]: 0 0 0 0
[  335.535717]  ? trace_hardirqs_off+0xb8/0x310
[  335.539832] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  335.543629]  ? trace_hardirqs_off+0xb8/0x310
[  335.548011] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  335.561537]  __alloc_pages_slowpath+0x26e8/0x2e10
[  335.565911] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  335.581375]  ? warn_alloc+0x120/0x120
[  335.586175] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  335.601246]  ? warn_alloc+0x120/0x120
[  335.605020] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  335.613839]  ? __lock_acquire+0x62f/0x4c20
[  335.617608] 1997 total pagecache pages
[  335.617623] 0 pages in swap cache
[  335.626189]  ? warn_alloc+0x120/0x120
[  335.630401] Swap cache stats: add 0, delete 0, find 0/0
[  335.634272]  ? print_usage_bug+0xc0/0xc0
[  335.637696] Free swap  = 0kB
[  335.641483]  ? print_usage_bug+0xc0/0xc0
[  335.646813] Total swap = 0kB
[  335.646820] 1965979 pages RAM
[  335.650870]  ? mark_held_locks+0x130/0x130
[  335.653855] 0 pages HighMem/MovableOnly
[  335.653863] 342853 pages reserved
[  335.657913]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  335.660899] 0 pages cma reserved
[  335.663993]  ? should_fail+0x22d/0xd01
[  335.668282] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  335.672153]  ? zap_class+0x640/0x640
[  335.672171]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  335.672187]  ? __lock_acquire+0x62f/0x4c20
[  335.675662] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  335.681136]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  335.684483] ksoftirqd/1 cpuset=/ mems_allowed=0
[  335.688358]  ? should_fail+0x22d/0xd01
[  335.731811]  ? mark_held_locks+0x130/0x130
[  335.736042]  ? mark_held_locks+0x130/0x130
[  335.740286]  ? lock_downgrade+0x900/0x900
[  335.744428]  ? zap_class+0x640/0x640
[  335.748139]  ? zap_class+0x640/0x640
[  335.751847]  ? zap_class+0x640/0x640
[  335.755556]  ? do_raw_spin_unlock+0xa7/0x330
[  335.759977]  ? trace_hardirqs_on+0x310/0x310
[  335.764377]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.769994]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.775525]  ? check_preemption_disabled+0x48/0x280
[  335.780547]  ? __lock_is_held+0xb5/0x140
[  335.784607]  __alloc_pages_nodemask+0xa80/0xde0
[  335.789277]  ? zap_class+0x640/0x640
[  335.792989]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  335.798009]  ? find_held_lock+0x36/0x1c0
[  335.802080]  ? ____cache_alloc_node+0x1c7/0x1e0
[  335.806747]  ? lock_downgrade+0x900/0x900
[  335.810896]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.816519]  cache_grow_begin+0xa5/0x8c0
[  335.820573]  ? do_raw_spin_unlock+0xa7/0x330
[  335.824982]  fallback_alloc+0x204/0x2e0
[  335.828960]  ____cache_alloc_node+0x1c7/0x1e0
[  335.833457]  kmem_cache_alloc_node+0xe3/0x730
[  335.837945]  ? lockdep_hardirqs_on+0x296/0x5b0
[  335.842527]  __alloc_skb+0x119/0x770
[  335.846238]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  335.851598]  ? netdev_alloc_frag+0x1f0/0x1f0
[  335.856011]  ? vprintk_default+0x28/0x30
[  335.860077]  ? vprintk_func+0x85/0x181
[  335.863959]  ? printk+0xa7/0xcf
[  335.867236]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  335.871988]  ? do_raw_spin_trylock+0x270/0x270
[  335.876580]  new_skb+0x26/0x1c0
[  335.879852]  aoecmd_cfg+0x279/0x7f0
[  335.883473]  ? find_held_lock+0x36/0x1c0
[  335.887532]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  335.891850]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.897390]  ? __lock_is_held+0xb5/0x140
[  335.901456]  discover_timer+0x50/0x60
[  335.905251]  call_timer_fn+0x272/0x920
[  335.909136]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  335.913972]  ? process_timeout+0x40/0x40
[  335.918031]  ? __run_timers+0x7da/0xc70
[  335.922022]  ? _raw_spin_unlock_irq+0x27/0x80
[  335.926516]  ? _raw_spin_unlock_irq+0x27/0x80
[  335.931004]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  335.935838]  ? lockdep_hardirqs_on+0x296/0x5b0
[  335.940418]  ? trace_hardirqs_on+0xbd/0x310
[  335.944730]  ? kasan_check_read+0x11/0x20
[  335.948868]  ? __run_timers+0x7da/0xc70
[  335.952835]  ? trace_hardirqs_off_caller+0x310/0x310
[  335.957943]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  335.962779]  __run_timers+0x7e5/0xc70
[  335.966586]  ? timer_fixup_init+0x70/0x70
[  335.970733]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  335.975752]  ? zap_class+0x640/0x640
[  335.979959]  ? enqueue_hrtimer+0x1a5/0x560
[  335.984202]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  335.989395]  ? find_held_lock+0x36/0x1c0
[  335.993451]  ? zap_class+0x640/0x640
[  335.997178]  ? pvclock_read_flags+0x160/0x160
[  336.001672]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.007218]  ? check_preemption_disabled+0x48/0x280
[  336.012240]  ? __lock_is_held+0xb5/0x140
[  336.016294]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.021834]  ? check_preemption_disabled+0x48/0x280
[  336.026850]  run_timer_softirq+0x52/0xb0
[  336.030917]  ? rcu_read_lock_sched_held+0x14f/0x180
[  336.035943]  __do_softirq+0x308/0xb7e
[  336.039737]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  336.044221]  ? lock_downgrade+0x900/0x900
[  336.048363]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  336.053468]  ? pvclock_read_flags+0x160/0x160
[  336.057962]  ? lapic_next_event+0x5a/0x90
[  336.062109]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.067643]  ? kvm_clock_read+0x18/0x30
[  336.071615]  ? kvm_sched_clock_read+0x9/0x20
[  336.076018]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.081561]  ? check_preemption_disabled+0x48/0x280
[  336.086592]  irq_exit+0x17f/0x1c0
[  336.090050]  smp_apic_timer_interrupt+0x1cb/0x760
[  336.094884]  ? smp_reschedule_interrupt+0x109/0x650
[  336.099895]  ? smp_call_function_single_interrupt+0x650/0x650
[  336.105775]  ? interrupt_entry+0xb5/0xc0
[  336.109830]  ? trace_hardirqs_off_caller+0xbb/0x310
[  336.114950]  ? trace_hardirqs_off_caller+0xbb/0x310
[  336.119963]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  336.124799]  ? trace_hardirqs_on_caller+0x310/0x310
[  336.129807]  ? trace_hardirqs_on_caller+0x310/0x310
[  336.134818]  ? task_prio+0x50/0x50
[  336.138354]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.143886]  ? check_preemption_disabled+0x48/0x280
[  336.149274]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  336.154124]  apic_timer_interrupt+0xf/0x20
[  336.158350]  </IRQ>
[  336.160584] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  336.165512] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  336.184406] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  336.192110] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  336.199370] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  336.206631] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  336.213892] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  336.221155] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  336.228453]  skb_clone+0x1bb/0x500
[  336.231987]  ? finish_task_switch+0x2f4/0x910
[  336.236479]  ? skb_split+0x11e0/0x11e0
[  336.240365]  ? preempt_notifier_register+0x200/0x200
[  336.245460]  ? __switch_to_asm+0x34/0x70
[  336.249511]  ? __switch_to_asm+0x34/0x70
[  336.253559]  ? __switch_to_asm+0x40/0x70
[  336.257609]  ? __switch_to_asm+0x34/0x70
[  336.261658]  ? __switch_to_asm+0x40/0x70
[  336.265722]  ? __switch_to_asm+0x34/0x70
[  336.269771]  ? __switch_to_asm+0x40/0x70
[  336.273826]  ? __switch_to_asm+0x34/0x70
[  336.277878]  ? __switch_to_asm+0x34/0x70
[  336.281937]  ? __switch_to_asm+0x40/0x70
[  336.285989]  ? __switch_to_asm+0x34/0x70
[  336.290061]  bpf_clone_redirect+0xb9/0x490
[  336.294291]  ? __schedule+0x8d7/0x21d0
[  336.298175]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  336.303096]  ? __sched_text_start+0x8/0x8
[  336.307241]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  336.311813]  ? retint_kernel+0x2d/0x2d
[  336.315695]  ? trace_hardirqs_on_caller+0xc0/0x310
[  336.320624]  ? find_held_lock+0x36/0x1c0
[  336.324685]  ? lock_acquire+0x1ed/0x520
[  336.328661]  ? bpf_test_run+0x3cb/0x780
[  336.332644]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.338175]  ? check_preemption_disabled+0x48/0x280
[  336.343193]  ? kasan_check_read+0x11/0x20
[  336.347335]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  336.352603]  ? rcu_softirq_qs+0x20/0x20
[  336.356573]  ? preempt_schedule+0x4d/0x60
[  336.360713]  ? ___preempt_schedule+0x16/0x18
[  336.365134]  ? bpf_test_run+0x25d/0x780
[  336.369115]  ? netlink_diag_dump+0x2a0/0x2a0
[  336.373519]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  336.379052]  ? bpf_test_init.isra.10+0x70/0x100
[  336.383884]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  336.388645]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  336.393479]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  336.399014]  ? fput+0x130/0x1a0
[  336.402295]  ? __bpf_prog_get+0x9b/0x290
[  336.406354]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  336.411188]  ? bpf_prog_test_run+0x130/0x1a0
[  336.415608]  ? __x64_sys_bpf+0x3d8/0x520
[  336.419752]  ? bpf_prog_get+0x20/0x20
[  336.423562]  ? do_syscall_64+0x1b9/0x820
[  336.427619]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  336.433030]  ? syscall_return_slowpath+0x5e0/0x5e0
[  336.437956]  ? trace_hardirqs_on_caller+0x310/0x310
[  336.442966]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  336.448013]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  336.454678]  ? __switch_to_asm+0x40/0x70
[  336.458730]  ? __switch_to_asm+0x34/0x70
[  336.462792]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  336.467637]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  336.473028] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  336.473089] aoe: skb alloc failure
[  336.479866] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  336.479871] Call Trace:
[  336.479887]  dump_stack+0x244/0x39d
[  336.479906]  ? dump_stack_print_info.cold.1+0x20/0x20
[  336.483444] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  336.492776]  warn_alloc.cold.116+0xb7/0x1bd
[  336.495325] syz-executor4 cpuset=syz4 mems_allowed=0
[  336.498939]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  336.528785]  ? lock_downgrade+0x900/0x900
[  336.532932]  ? trace_hardirqs_off+0xb8/0x310
[  336.537343]  ? trace_hardirqs_off+0xb8/0x310
[  336.541752]  __alloc_pages_slowpath+0x26e8/0x2e10
[  336.546617]  ? warn_alloc+0x120/0x120
[  336.550415]  ? print_usage_bug+0xc0/0xc0
[  336.554468]  ? warn_alloc+0x120/0x120
[  336.558267]  ? warn_alloc+0x120/0x120
[  336.562064]  ? print_usage_bug+0xc0/0xc0
[  336.566122]  ? print_usage_bug+0xc0/0xc0
[  336.570181]  ? __lock_acquire+0x62f/0x4c20
[  336.574421]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  336.579954]  ? should_fail+0x22d/0xd01
[  336.583841]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  336.588934]  ? __lock_acquire+0x62f/0x4c20
[  336.593164]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  336.598264]  ? __lock_acquire+0x62f/0x4c20
[  336.602490]  ? should_fail+0x22d/0xd01
[  336.606376]  ? find_held_lock+0x36/0x1c0
[  336.610443]  ? mark_held_locks+0x130/0x130
[  336.614680]  ? mark_held_locks+0x130/0x130
[  336.618905]  ? zap_class+0x640/0x640
[  336.622614]  ? zap_class+0x640/0x640
[  336.626324]  ? print_usage_bug+0xc0/0xc0
[  336.630375]  ? do_raw_spin_unlock+0xa7/0x330
[  336.634776]  ? zap_class+0x640/0x640
[  336.638485]  ? print_usage_bug+0xc0/0xc0
[  336.642543]  ? wq_watchdog_touch+0x9c/0xfe
[  336.646775]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.652306]  ? check_preemption_disabled+0x48/0x280
[  336.657324]  ? __lock_is_held+0xb5/0x140
[  336.661385]  __alloc_pages_nodemask+0xa80/0xde0
[  336.666051]  ? zap_class+0x640/0x640
[  336.669763]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  336.674789]  ? find_held_lock+0x36/0x1c0
[  336.678852]  ? ____cache_alloc_node+0x1c7/0x1e0
[  336.683516]  ? lock_downgrade+0x900/0x900
[  336.687664]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.693202]  cache_grow_begin+0xa5/0x8c0
[  336.697262]  ? do_raw_spin_unlock+0xa7/0x330
[  336.701673]  fallback_alloc+0x204/0x2e0
[  336.705649]  ____cache_alloc_node+0x1c7/0x1e0
[  336.710144]  kmem_cache_alloc_node+0xe3/0x730
[  336.714643]  ? ipv6_get_ifaddr+0x42e/0x620
[  336.718882]  __alloc_skb+0x119/0x770
[  336.722588]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  336.727864]  ? netdev_alloc_frag+0x1f0/0x1f0
[  336.732266]  ? lock_downgrade+0x900/0x900
[  336.736413]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.741953]  ? refcount_sub_and_test_checked+0x203/0x310
[  336.747408]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  336.752852]  ? addrconf_rs_timer+0x690/0x690
[  336.757269]  ndisc_alloc_skb+0x144/0x340
[  336.761327]  ndisc_send_rs+0x331/0x6e0
[  336.765216]  addrconf_rs_timer+0x314/0x690
[  336.769449]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  336.773689]  call_timer_fn+0x272/0x920
[  336.777568]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  336.781800]  ? process_timeout+0x40/0x40
[  336.785866]  ? __run_timers+0x7da/0xc70
[  336.789849]  ? _raw_spin_unlock_irq+0x27/0x80
[  336.794337]  ? _raw_spin_unlock_irq+0x27/0x80
[  336.798827]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  336.803060]  ? lockdep_hardirqs_on+0x296/0x5b0
[  336.807637]  ? trace_hardirqs_on+0xbd/0x310
[  336.811954]  ? kasan_check_read+0x11/0x20
[  336.816100]  ? __run_timers+0x7da/0xc70
[  336.820072]  ? trace_hardirqs_off_caller+0x310/0x310
[  336.825174]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  336.829412]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  336.833641]  __run_timers+0x7e5/0xc70
[  336.837443]  ? timer_fixup_init+0x70/0x70
[  336.841585]  ? _raw_spin_unlock_irq+0x27/0x80
[  336.846075]  ? _raw_spin_unlock_irq+0x27/0x80
[  336.850566]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  336.855148]  ? trace_hardirqs_on+0xbd/0x310
[  336.859466]  ? kasan_check_read+0x11/0x20
[  336.863614]  ? finish_task_switch+0x1f4/0x910
[  336.868104]  ? trace_hardirqs_off_caller+0x310/0x310
[  336.873205]  ? compat_start_thread+0x80/0x80
[  336.877627]  ? pvclock_read_flags+0x160/0x160
[  336.882112]  ? __switch_to_asm+0x34/0x70
[  336.886171]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.891703]  ? check_preemption_disabled+0x48/0x280
[  336.896721]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  336.902310]  ? rcu_pm_notify+0xc0/0xc0
[  336.906196]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.911737]  ? check_preemption_disabled+0x48/0x280
[  336.916759]  run_timer_softirq+0x52/0xb0
[  336.920814]  ? rcu_read_lock_sched_held+0x14f/0x180
[  336.925826]  __do_softirq+0x308/0xb7e
[  336.929628]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  336.934721]  ? trace_hardirqs_off+0xb8/0x310
[  336.939125]  ? rcu_irq_enter+0x18c/0x310
[  336.943187]  ? schedule+0x108/0x460
[  336.946897]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  336.951658]  ? trace_hardirqs_off+0xb8/0x310
[  336.956066]  ? smpboot_thread_fn+0x68b/0xa00
[  336.960469]  ? trace_hardirqs_on+0x310/0x310
[  336.964878]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  336.970411]  ? check_preemption_disabled+0x48/0x280
[  336.975434]  ? takeover_tasklets+0xa90/0xa90
[  336.979837]  run_ksoftirqd+0x5e/0x100
[  336.983629]  smpboot_thread_fn+0x68b/0xa00
[  336.987859]  ? sort_range+0x30/0x30
[  336.991484]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  336.996584]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  337.002114]  ? __kthread_parkme+0xfb/0x1a0
[  337.006345]  ? sort_range+0x30/0x30
[  337.009976]  kthread+0x35a/0x440
[  337.013341]  ? kthread_stop+0x900/0x900
[  337.017312]  ret_from_fork+0x3a/0x50
[  337.021040] warn_alloc_show_mem: 1 callbacks suppressed
[  337.021050] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  337.021051] Mem-Info:
[  337.021081] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  337.021081]  active_file:16 inactive_file:14 isolated_file:0
[  337.021081]  unevictable:0 dirty:0 writeback:0 unstable:0
[  337.021081]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  337.021081]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  337.021081]  free:13767 free_pcp:490 free_cma:0
[  337.026415] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  337.033683] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  337.036345] Call Trace:
[  337.069383] 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
[  337.078738]  <IRQ>
[  337.106378] lowmem_reserve[]: 0 2818 6321 6321
[  337.108972]  dump_stack+0x244/0x39d
[  337.135046] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  337.137188]  ? dump_stack_print_info.cold.1+0x20/0x20
[  337.141735] lowmem_reserve[]: 0 0 3503 3503
[  337.145358]  warn_alloc.cold.116+0xb7/0x1bd
[  337.172823] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  337.178004]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  337.182295] lowmem_reserve[]: 0 0 0 0
[  337.186604]  ? lock_downgrade+0x900/0x900
[  337.215825] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  337.220659]  ? trace_hardirqs_off+0xb8/0x310
[  337.224430] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  337.228585]  ? trace_hardirqs_off+0xb8/0x310
[  337.242069] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  337.246480]  __alloc_pages_slowpath+0x26e8/0x2e10
[  337.261793] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  337.266204]  ? warn_alloc+0x120/0x120
[  337.281257] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  337.286087]  ? warn_alloc+0x120/0x120
[  337.294894] 1997 total pagecache pages
[  337.298685]  ? __lock_acquire+0x62f/0x4c20
[  337.307243] 0 pages in swap cache
[  337.311023]  ? warn_alloc+0x120/0x120
[  337.314889] Swap cache stats: add 0, delete 0, find 0/0
[  337.319110]  ? print_usage_bug+0xc0/0xc0
[  337.322537] Free swap  = 0kB
[  337.326326]  ? print_usage_bug+0xc0/0xc0
[  337.331662] Total swap = 0kB
[  337.335707]  ? mark_held_locks+0x130/0x130
[  337.338698] 1965979 pages RAM
[  337.342747]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  337.345728] 0 pages HighMem/MovableOnly
[  337.345735] 342853 pages reserved
[  337.349961]  ? should_fail+0x22d/0xd01
[  337.353036] 0 pages cma reserved
[  337.358554]  ? zap_class+0x640/0x640
[  337.362557] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  337.365955]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  337.369993] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  337.373275]  ? __lock_acquire+0x62f/0x4c20
[  337.376961] ksoftirqd/1 cpuset=/ mems_allowed=0
[  337.383442]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  337.412767]  ? should_fail+0x22d/0xd01
[  337.416657]  ? mark_held_locks+0x130/0x130
[  337.420889]  ? mark_held_locks+0x130/0x130
[  337.425119]  ? lock_downgrade+0x900/0x900
[  337.429265]  ? zap_class+0x640/0x640
[  337.432978]  ? zap_class+0x640/0x640
[  337.436702]  ? zap_class+0x640/0x640
[  337.440411]  ? do_raw_spin_unlock+0xa7/0x330
[  337.444817]  ? trace_hardirqs_on+0x310/0x310
[  337.449216]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.454746]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.460282]  ? check_preemption_disabled+0x48/0x280
[  337.465299]  ? __lock_is_held+0xb5/0x140
[  337.469360]  __alloc_pages_nodemask+0xa80/0xde0
[  337.474028]  ? zap_class+0x640/0x640
[  337.477739]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  337.482761]  ? find_held_lock+0x36/0x1c0
[  337.486827]  ? ____cache_alloc_node+0x1c7/0x1e0
[  337.491493]  ? lock_downgrade+0x900/0x900
[  337.495640]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.501197]  cache_grow_begin+0xa5/0x8c0
[  337.505268]  ? do_raw_spin_unlock+0xa7/0x330
[  337.509673]  fallback_alloc+0x204/0x2e0
[  337.513646]  ____cache_alloc_node+0x1c7/0x1e0
[  337.518140]  kmem_cache_alloc_node+0xe3/0x730
[  337.522630]  ? lockdep_hardirqs_on+0x296/0x5b0
[  337.527214]  __alloc_skb+0x119/0x770
[  337.530926]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  337.536294]  ? netdev_alloc_frag+0x1f0/0x1f0
[  337.540711]  ? vprintk_default+0x28/0x30
[  337.544766]  ? vprintk_func+0x85/0x181
[  337.548647]  ? printk+0xa7/0xcf
[  337.551929]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  337.556689]  ? do_raw_spin_trylock+0x270/0x270
[  337.561286]  new_skb+0x26/0x1c0
[  337.564558]  aoecmd_cfg+0x279/0x7f0
[  337.568182]  ? find_held_lock+0x36/0x1c0
[  337.572240]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  337.576562]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.582104]  ? __lock_is_held+0xb5/0x140
[  337.586170]  discover_timer+0x50/0x60
[  337.589966]  call_timer_fn+0x272/0x920
[  337.593848]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  337.598681]  ? process_timeout+0x40/0x40
[  337.602744]  ? __run_timers+0x7da/0xc70
[  337.606713]  ? _raw_spin_unlock_irq+0x27/0x80
[  337.611219]  ? _raw_spin_unlock_irq+0x27/0x80
[  337.615704]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  337.620541]  ? lockdep_hardirqs_on+0x296/0x5b0
[  337.625121]  ? trace_hardirqs_on+0xbd/0x310
[  337.629434]  ? kasan_check_read+0x11/0x20
[  337.633573]  ? __run_timers+0x7da/0xc70
[  337.637545]  ? trace_hardirqs_off_caller+0x310/0x310
[  337.642672]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  337.647511]  __run_timers+0x7e5/0xc70
[  337.651399]  ? timer_fixup_init+0x70/0x70
[  337.655552]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  337.660573]  ? zap_class+0x640/0x640
[  337.664292]  ? enqueue_hrtimer+0x1a5/0x560
[  337.668525]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  337.673715]  ? find_held_lock+0x36/0x1c0
[  337.677779]  ? zap_class+0x640/0x640
[  337.681489]  ? pvclock_read_flags+0x160/0x160
[  337.685980]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.691523]  ? check_preemption_disabled+0x48/0x280
[  337.696541]  ? __lock_is_held+0xb5/0x140
[  337.700597]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.706130]  ? check_preemption_disabled+0x48/0x280
[  337.711148]  run_timer_softirq+0x52/0xb0
[  337.715209]  ? rcu_read_lock_sched_held+0x14f/0x180
[  337.720221]  __do_softirq+0x308/0xb7e
[  337.724021]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  337.728510]  ? lock_downgrade+0x900/0x900
[  337.732670]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  337.737769]  ? pvclock_read_flags+0x160/0x160
[  337.742261]  ? lapic_next_event+0x5a/0x90
[  337.746406]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.751944]  ? kvm_clock_read+0x18/0x30
[  337.755922]  ? kvm_sched_clock_read+0x9/0x20
[  337.760329]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.765858]  ? check_preemption_disabled+0x48/0x280
[  337.770886]  irq_exit+0x17f/0x1c0
[  337.774345]  smp_apic_timer_interrupt+0x1cb/0x760
[  337.779181]  ? smp_reschedule_interrupt+0x109/0x650
[  337.784193]  ? smp_call_function_single_interrupt+0x650/0x650
[  337.790071]  ? interrupt_entry+0xb5/0xc0
[  337.794129]  ? trace_hardirqs_off_caller+0xbb/0x310
[  337.799152]  ? trace_hardirqs_off_caller+0xbb/0x310
[  337.804163]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  337.809004]  ? trace_hardirqs_on_caller+0x310/0x310
[  337.814015]  ? trace_hardirqs_on_caller+0x310/0x310
[  337.819026]  ? task_prio+0x50/0x50
[  337.822574]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.828105]  ? check_preemption_disabled+0x48/0x280
[  337.833121]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  337.837973]  apic_timer_interrupt+0xf/0x20
[  337.842196]  </IRQ>
[  337.844432] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  337.849438] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  337.868349] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  337.876063] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  337.883322] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  337.890583] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  337.897842] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  337.905106] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  337.912406]  skb_clone+0x1bb/0x500
[  337.915945]  ? finish_task_switch+0x2f4/0x910
[  337.920477]  ? skb_split+0x11e0/0x11e0
[  337.924363]  ? preempt_notifier_register+0x200/0x200
[  337.929455]  ? __switch_to_asm+0x34/0x70
[  337.933508]  ? __switch_to_asm+0x34/0x70
[  337.937559]  ? __switch_to_asm+0x40/0x70
[  337.941615]  ? __switch_to_asm+0x34/0x70
[  337.945670]  ? __switch_to_asm+0x40/0x70
[  337.949725]  ? __switch_to_asm+0x34/0x70
[  337.953780]  ? __switch_to_asm+0x40/0x70
[  337.957835]  ? __switch_to_asm+0x34/0x70
[  337.961896]  ? __switch_to_asm+0x34/0x70
[  337.965960]  ? __switch_to_asm+0x40/0x70
[  337.970011]  ? __switch_to_asm+0x34/0x70
[  337.974072]  bpf_clone_redirect+0xb9/0x490
[  337.978832]  ? __schedule+0x8d7/0x21d0
[  337.982722]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  337.987649]  ? __sched_text_start+0x8/0x8
[  337.991793]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  337.996368]  ? retint_kernel+0x2d/0x2d
[  338.000250]  ? trace_hardirqs_on_caller+0xc0/0x310
[  338.005177]  ? find_held_lock+0x36/0x1c0
[  338.009239]  ? lock_acquire+0x1ed/0x520
[  338.013208]  ? bpf_test_run+0x3cb/0x780
[  338.017177]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.022709]  ? check_preemption_disabled+0x48/0x280
[  338.027731]  ? kasan_check_read+0x11/0x20
[  338.031873]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  338.037155]  ? rcu_softirq_qs+0x20/0x20
[  338.041124]  ? preempt_schedule+0x4d/0x60
[  338.045265]  ? ___preempt_schedule+0x16/0x18
[  338.049674]  ? bpf_test_run+0x25d/0x780
[  338.053653]  ? netlink_diag_dump+0x2a0/0x2a0
[  338.058057]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  338.063586]  ? bpf_test_init.isra.10+0x70/0x100
[  338.068253]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  338.073013]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  338.077847]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  338.083381]  ? fput+0x130/0x1a0
[  338.086655]  ? __bpf_prog_get+0x9b/0x290
[  338.090713]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  338.095546]  ? bpf_prog_test_run+0x130/0x1a0
[  338.099951]  ? __x64_sys_bpf+0x3d8/0x520
[  338.104010]  ? bpf_prog_get+0x20/0x20
[  338.107821]  ? do_syscall_64+0x1b9/0x820
[  338.111881]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  338.117249]  ? syscall_return_slowpath+0x5e0/0x5e0
[  338.122177]  ? trace_hardirqs_on_caller+0x310/0x310
[  338.127186]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  338.132196]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  338.138853]  ? __switch_to_asm+0x40/0x70
[  338.142915]  ? __switch_to_asm+0x34/0x70
[  338.147185]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  338.152030]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  338.157406] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  338.157466] aoe: skb alloc failure
[  338.164243] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  338.164248] Call Trace:
[  338.164265]  dump_stack+0x244/0x39d
[  338.164285]  ? dump_stack_print_info.cold.1+0x20/0x20
[  338.167823] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  338.177160]  warn_alloc.cold.116+0xb7/0x1bd
[  338.179706] syz-executor4 cpuset=syz4 mems_allowed=0
[  338.183323]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  338.213187]  ? lock_downgrade+0x900/0x900
[  338.217338]  ? trace_hardirqs_off+0xb8/0x310
[  338.221746]  ? trace_hardirqs_off+0xb8/0x310
[  338.226157]  __alloc_pages_slowpath+0x26e8/0x2e10
[  338.231024]  ? warn_alloc+0x120/0x120
[  338.234829]  ? print_usage_bug+0xc0/0xc0
[  338.238890]  ? warn_alloc+0x120/0x120
[  338.242693]  ? warn_alloc+0x120/0x120
[  338.246489]  ? print_usage_bug+0xc0/0xc0
[  338.250548]  ? print_usage_bug+0xc0/0xc0
[  338.254605]  ? __lock_acquire+0x62f/0x4c20
[  338.258839]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  338.264395]  ? should_fail+0x22d/0xd01
[  338.268284]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  338.273396]  ? __lock_acquire+0x62f/0x4c20
[  338.277632]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  338.282733]  ? __lock_acquire+0x62f/0x4c20
[  338.286960]  ? should_fail+0x22d/0xd01
[  338.290840]  ? find_held_lock+0x36/0x1c0
[  338.294910]  ? mark_held_locks+0x130/0x130
[  338.299145]  ? mark_held_locks+0x130/0x130
[  338.303370]  ? zap_class+0x640/0x640
[  338.307088]  ? mark_held_locks+0xc7/0x130
[  338.311228]  ? do_raw_spin_unlock+0xa7/0x330
[  338.315634]  ? zap_class+0x640/0x640
[  338.319340]  ? print_usage_bug+0xc0/0xc0
[  338.323407]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.328941]  ? check_preemption_disabled+0x48/0x280
[  338.333962]  ? __lock_is_held+0xb5/0x140
[  338.338025]  __alloc_pages_nodemask+0xa80/0xde0
[  338.342691]  ? zap_class+0x640/0x640
[  338.346412]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  338.351432]  ? find_held_lock+0x36/0x1c0
[  338.355500]  ? ____cache_alloc_node+0x1c7/0x1e0
[  338.360162]  ? lock_downgrade+0x900/0x900
[  338.364315]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.369859]  cache_grow_begin+0xa5/0x8c0
[  338.373917]  ? do_raw_spin_unlock+0xa7/0x330
[  338.378334]  fallback_alloc+0x204/0x2e0
[  338.382313]  ____cache_alloc_node+0x1c7/0x1e0
[  338.386812]  kmem_cache_alloc_node+0xe3/0x730
[  338.391305]  ? ipv6_get_ifaddr+0x42e/0x620
[  338.395542]  __alloc_skb+0x119/0x770
[  338.399249]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  338.404525]  ? netdev_alloc_frag+0x1f0/0x1f0
[  338.408931]  ? lock_downgrade+0x900/0x900
[  338.413081]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.418634]  ? refcount_sub_and_test_checked+0x203/0x310
[  338.424084]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  338.429532]  ? addrconf_rs_timer+0x690/0x690
[  338.433947]  ndisc_alloc_skb+0x144/0x340
[  338.438009]  ndisc_send_rs+0x331/0x6e0
[  338.441896]  addrconf_rs_timer+0x314/0x690
[  338.446132]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  338.450378]  call_timer_fn+0x272/0x920
[  338.454259]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  338.458488]  ? process_timeout+0x40/0x40
[  338.462548]  ? __run_timers+0x7da/0xc70
[  338.466517]  ? _raw_spin_unlock_irq+0x27/0x80
[  338.471023]  ? _raw_spin_unlock_irq+0x27/0x80
[  338.475511]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  338.479743]  ? lockdep_hardirqs_on+0x296/0x5b0
[  338.484321]  ? trace_hardirqs_on+0xbd/0x310
[  338.488636]  ? kasan_check_read+0x11/0x20
[  338.492774]  ? __run_timers+0x7da/0xc70
[  338.496742]  ? trace_hardirqs_off_caller+0x310/0x310
[  338.501850]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  338.506083]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  338.510313]  __run_timers+0x7e5/0xc70
[  338.514119]  ? timer_fixup_init+0x70/0x70
[  338.518260]  ? _raw_spin_unlock_irq+0x27/0x80
[  338.522751]  ? _raw_spin_unlock_irq+0x27/0x80
[  338.527241]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  338.531918]  ? trace_hardirqs_on+0xbd/0x310
[  338.536236]  ? kasan_check_read+0x11/0x20
[  338.540384]  ? finish_task_switch+0x1f4/0x910
[  338.544873]  ? trace_hardirqs_off_caller+0x310/0x310
[  338.549971]  ? compat_start_thread+0x80/0x80
[  338.554395]  ? pvclock_read_flags+0x160/0x160
[  338.558900]  ? __switch_to_asm+0x34/0x70
[  338.562966]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.568497]  ? check_preemption_disabled+0x48/0x280
[  338.573518]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  338.579141]  ? rcu_pm_notify+0xc0/0xc0
[  338.583026]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.588561]  ? check_preemption_disabled+0x48/0x280
[  338.593578]  run_timer_softirq+0x52/0xb0
[  338.597636]  ? rcu_read_lock_sched_held+0x14f/0x180
[  338.602649]  __do_softirq+0x308/0xb7e
[  338.606454]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  338.611561]  ? trace_hardirqs_off+0xb8/0x310
[  338.615959]  ? rcu_irq_enter+0x18c/0x310
[  338.620024]  ? schedule+0x108/0x460
[  338.623650]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  338.628425]  ? trace_hardirqs_off+0xb8/0x310
[  338.632828]  ? smpboot_thread_fn+0x68b/0xa00
[  338.637240]  ? trace_hardirqs_on+0x310/0x310
[  338.641646]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  338.647177]  ? check_preemption_disabled+0x48/0x280
[  338.652190]  ? takeover_tasklets+0xa90/0xa90
[  338.656592]  run_ksoftirqd+0x5e/0x100
[  338.660387]  smpboot_thread_fn+0x68b/0xa00
[  338.664618]  ? sort_range+0x30/0x30
[  338.668238]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  338.673335]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  338.678893]  ? __kthread_parkme+0xfb/0x1a0
[  338.683129]  ? sort_range+0x30/0x30
[  338.686759]  kthread+0x35a/0x440
[  338.690122]  ? kthread_stop+0x900/0x900
[  338.694091]  ret_from_fork+0x3a/0x50
[  338.697816] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  338.697820] warn_alloc_show_mem: 1 callbacks suppressed
[  338.697833] Mem-Info:
[  338.705104] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  338.710470] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  338.710470]  active_file:16 inactive_file:14 isolated_file:0
[  338.710470]  unevictable:0 dirty:0 writeback:0 unstable:0
[  338.710470]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  338.710470]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  338.710470]  free:13767 free_pcp:490 free_cma:0
[  338.712847] Call Trace:
[  338.722216] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  338.755226]  <IRQ>
[  338.757787] 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
[  338.785447]  dump_stack+0x244/0x39d
[  338.787569] lowmem_reserve[]: 0 2818 6321 6321
[  338.813663]  ? dump_stack_print_info.cold.1+0x20/0x20
[  338.817254] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  338.821847]  warn_alloc.cold.116+0xb7/0x1bd
[  338.826988] lowmem_reserve[]: 0 0 3503 3503
[  338.854478]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  338.858770] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  338.863090]  ? lock_downgrade+0x900/0x900
[  338.867912] lowmem_reserve[]: 0 0 0 0
[  338.897058]  ? trace_hardirqs_off+0xb8/0x310
[  338.901176] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  338.904970]  ? trace_hardirqs_off+0xb8/0x310
[  338.909353] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  338.922872]  __alloc_pages_slowpath+0x26e8/0x2e10
[  338.927246] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  338.942605]  ? warn_alloc+0x120/0x120
[  338.947401] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  338.962472]  ? warn_alloc+0x120/0x120
[  338.966247] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  338.975064]  ? __lock_acquire+0x62f/0x4c20
[  338.978836] 1997 total pagecache pages
[  338.987398]  ? warn_alloc+0x120/0x120
[  338.991610] 0 pages in swap cache
[  338.995481]  ? print_usage_bug+0xc0/0xc0
[  338.999256] Swap cache stats: add 0, delete 0, find 0/0
[  339.002690]  ? print_usage_bug+0xc0/0xc0
[  339.006722] Free swap  = 0kB
[  339.012068]  ? mark_held_locks+0x130/0x130
[  339.016092] Total swap = 0kB
[  339.016099] 1965979 pages RAM
[  339.019138]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  339.023339] 0 pages HighMem/MovableOnly
[  339.026354]  ? should_fail+0x22d/0xd01
[  339.029423] 342853 pages reserved
[  339.029430] 0 pages cma reserved
[  339.034950]  ? zap_class+0x640/0x640
[  339.038952] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  339.042767]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  339.046241] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  339.049541]  ? __lock_acquire+0x62f/0x4c20
[  339.053224] ksoftirqd/1 cpuset=/ mems_allowed=0
[  339.059702]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  339.089041]  ? should_fail+0x22d/0xd01
[  339.092937]  ? mark_held_locks+0x130/0x130
[  339.097172]  ? mark_held_locks+0x130/0x130
[  339.101400]  ? lock_downgrade+0x900/0x900
[  339.105545]  ? zap_class+0x640/0x640
[  339.109252]  ? zap_class+0x640/0x640
[  339.112963]  ? zap_class+0x640/0x640
[  339.116672]  ? do_raw_spin_unlock+0xa7/0x330
[  339.121073]  ? trace_hardirqs_on+0x310/0x310
[  339.125476]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.131012]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.136543]  ? check_preemption_disabled+0x48/0x280
[  339.141567]  ? __lock_is_held+0xb5/0x140
[  339.145627]  __alloc_pages_nodemask+0xa80/0xde0
[  339.150288]  ? zap_class+0x640/0x640
[  339.154003]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  339.159027]  ? find_held_lock+0x36/0x1c0
[  339.163093]  ? ____cache_alloc_node+0x1c7/0x1e0
[  339.167755]  ? lock_downgrade+0x900/0x900
[  339.171907]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.177445]  cache_grow_begin+0xa5/0x8c0
[  339.181499]  ? do_raw_spin_unlock+0xa7/0x330
[  339.185910]  fallback_alloc+0x204/0x2e0
[  339.189969]  ____cache_alloc_node+0x1c7/0x1e0
[  339.194470]  kmem_cache_alloc_node+0xe3/0x730
[  339.198962]  ? lockdep_hardirqs_on+0x296/0x5b0
[  339.203664]  __alloc_skb+0x119/0x770
[  339.207382]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  339.212742]  ? netdev_alloc_frag+0x1f0/0x1f0
[  339.217150]  ? vprintk_default+0x28/0x30
[  339.221205]  ? vprintk_func+0x85/0x181
[  339.225084]  ? printk+0xa7/0xcf
[  339.228356]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  339.233111]  ? do_raw_spin_trylock+0x270/0x270
[  339.237710]  new_skb+0x26/0x1c0
[  339.240988]  aoecmd_cfg+0x279/0x7f0
[  339.244610]  ? find_held_lock+0x36/0x1c0
[  339.248670]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  339.252994]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.258534]  ? __lock_is_held+0xb5/0x140
[  339.262614]  discover_timer+0x50/0x60
[  339.266408]  call_timer_fn+0x272/0x920
[  339.270289]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  339.275124]  ? process_timeout+0x40/0x40
[  339.279184]  ? __run_timers+0x7da/0xc70
[  339.283155]  ? _raw_spin_unlock_irq+0x27/0x80
[  339.287644]  ? _raw_spin_unlock_irq+0x27/0x80
[  339.292133]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  339.296972]  ? lockdep_hardirqs_on+0x296/0x5b0
[  339.301568]  ? trace_hardirqs_on+0xbd/0x310
[  339.305895]  ? kasan_check_read+0x11/0x20
[  339.310045]  ? __run_timers+0x7da/0xc70
[  339.314014]  ? trace_hardirqs_off_caller+0x310/0x310
[  339.319123]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  339.323954]  __run_timers+0x7e5/0xc70
[  339.327755]  ? timer_fixup_init+0x70/0x70
[  339.331903]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  339.336912]  ? zap_class+0x640/0x640
[  339.340621]  ? enqueue_hrtimer+0x1a5/0x560
[  339.344856]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  339.350044]  ? find_held_lock+0x36/0x1c0
[  339.354107]  ? zap_class+0x640/0x640
[  339.357824]  ? pvclock_read_flags+0x160/0x160
[  339.362332]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.367866]  ? check_preemption_disabled+0x48/0x280
[  339.372887]  ? __lock_is_held+0xb5/0x140
[  339.376942]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.382474]  ? check_preemption_disabled+0x48/0x280
[  339.387492]  run_timer_softirq+0x52/0xb0
[  339.391662]  ? rcu_read_lock_sched_held+0x14f/0x180
[  339.396689]  __do_softirq+0x308/0xb7e
[  339.400486]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  339.404977]  ? lock_downgrade+0x900/0x900
[  339.409137]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  339.414244]  ? pvclock_read_flags+0x160/0x160
[  339.418738]  ? lapic_next_event+0x5a/0x90
[  339.422879]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.428417]  ? kvm_clock_read+0x18/0x30
[  339.432388]  ? kvm_sched_clock_read+0x9/0x20
[  339.436804]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.442345]  ? check_preemption_disabled+0x48/0x280
[  339.447365]  irq_exit+0x17f/0x1c0
[  339.450816]  smp_apic_timer_interrupt+0x1cb/0x760
[  339.455652]  ? smp_reschedule_interrupt+0x109/0x650
[  339.460663]  ? smp_call_function_single_interrupt+0x650/0x650
[  339.466641]  ? interrupt_entry+0xb5/0xc0
[  339.470697]  ? trace_hardirqs_off_caller+0xbb/0x310
[  339.475721]  ? trace_hardirqs_off_caller+0xbb/0x310
[  339.480742]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  339.485700]  ? trace_hardirqs_on_caller+0x310/0x310
[  339.490711]  ? trace_hardirqs_on_caller+0x310/0x310
[  339.495810]  ? task_prio+0x50/0x50
[  339.499345]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.504877]  ? check_preemption_disabled+0x48/0x280
[  339.509892]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  339.514737]  apic_timer_interrupt+0xf/0x20
[  339.518968]  </IRQ>
[  339.521199] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  339.526126] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  339.545020] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  339.552720] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  339.559982] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  339.567259] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  339.574526] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  339.581792] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  339.589095]  skb_clone+0x1bb/0x500
[  339.592641]  ? finish_task_switch+0x2f4/0x910
[  339.597130]  ? skb_split+0x11e0/0x11e0
[  339.601022]  ? preempt_notifier_register+0x200/0x200
[  339.606114]  ? __switch_to_asm+0x34/0x70
[  339.610167]  ? __switch_to_asm+0x34/0x70
[  339.614216]  ? __switch_to_asm+0x40/0x70
[  339.618266]  ? __switch_to_asm+0x34/0x70
[  339.622317]  ? __switch_to_asm+0x40/0x70
[  339.626368]  ? __switch_to_asm+0x34/0x70
[  339.630421]  ? __switch_to_asm+0x40/0x70
[  339.634469]  ? __switch_to_asm+0x34/0x70
[  339.638520]  ? __switch_to_asm+0x34/0x70
[  339.642574]  ? __switch_to_asm+0x40/0x70
[  339.646627]  ? __switch_to_asm+0x34/0x70
[  339.650807]  bpf_clone_redirect+0xb9/0x490
[  339.655035]  ? __schedule+0x8d7/0x21d0
[  339.658925]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  339.663864]  ? __sched_text_start+0x8/0x8
[  339.668018]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  339.672594]  ? retint_kernel+0x2d/0x2d
[  339.676477]  ? trace_hardirqs_on_caller+0xc0/0x310
[  339.681402]  ? find_held_lock+0x36/0x1c0
[  339.685464]  ? lock_acquire+0x1ed/0x520
[  339.689433]  ? bpf_test_run+0x3cb/0x780
[  339.693412]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.698944]  ? check_preemption_disabled+0x48/0x280
[  339.703961]  ? kasan_check_read+0x11/0x20
[  339.708102]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  339.713371]  ? rcu_softirq_qs+0x20/0x20
[  339.717342]  ? preempt_schedule+0x4d/0x60
[  339.721482]  ? ___preempt_schedule+0x16/0x18
[  339.725901]  ? bpf_test_run+0x25d/0x780
[  339.729879]  ? netlink_diag_dump+0x2a0/0x2a0
[  339.734287]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  339.739817]  ? bpf_test_init.isra.10+0x70/0x100
[  339.744482]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  339.749252]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  339.754088]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  339.759617]  ? fput+0x130/0x1a0
[  339.762892]  ? __bpf_prog_get+0x9b/0x290
[  339.766965]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  339.771814]  ? bpf_prog_test_run+0x130/0x1a0
[  339.776223]  ? __x64_sys_bpf+0x3d8/0x520
[  339.780277]  ? bpf_prog_get+0x20/0x20
[  339.784089]  ? do_syscall_64+0x1b9/0x820
[  339.788144]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  339.793502]  ? syscall_return_slowpath+0x5e0/0x5e0
[  339.798436]  ? trace_hardirqs_on_caller+0x310/0x310
[  339.803533]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  339.808546]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  339.815203]  ? __switch_to_asm+0x40/0x70
[  339.819256]  ? __switch_to_asm+0x34/0x70
[  339.823319]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  339.828165]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  339.833544] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  339.833605] aoe: skb alloc failure
[  339.840385] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  339.840390] Call Trace:
[  339.840409]  dump_stack+0x244/0x39d
[  339.840428]  ? dump_stack_print_info.cold.1+0x20/0x20
[  339.843964] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  339.853296]  warn_alloc.cold.116+0xb7/0x1bd
[  339.855846] syz-executor4 cpuset=syz4 mems_allowed=0
[  339.859461]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  339.889320]  ? lock_downgrade+0x900/0x900
[  339.893472]  ? trace_hardirqs_off+0xb8/0x310
[  339.897881]  ? trace_hardirqs_off+0xb8/0x310
[  339.902290]  __alloc_pages_slowpath+0x26e8/0x2e10
[  339.907157]  ? warn_alloc+0x120/0x120
[  339.910955]  ? print_usage_bug+0xc0/0xc0
[  339.915012]  ? warn_alloc+0x120/0x120
[  339.918810]  ? warn_alloc+0x120/0x120
[  339.922612]  ? print_usage_bug+0xc0/0xc0
[  339.926675]  ? print_usage_bug+0xc0/0xc0
[  339.930743]  ? __lock_acquire+0x62f/0x4c20
[  339.934980]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  339.940509]  ? should_fail+0x22d/0xd01
[  339.944392]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  339.949491]  ? __lock_acquire+0x62f/0x4c20
[  339.953855]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  339.958952]  ? __lock_acquire+0x62f/0x4c20
[  339.963195]  ? should_fail+0x22d/0xd01
[  339.967074]  ? find_held_lock+0x36/0x1c0
[  339.971141]  ? mark_held_locks+0x130/0x130
[  339.975391]  ? mark_held_locks+0x130/0x130
[  339.979916]  ? zap_class+0x640/0x640
[  339.983629]  ? zap_class+0x640/0x640
[  339.987345]  ? print_usage_bug+0xc0/0xc0
[  339.991396]  ? do_raw_spin_unlock+0xa7/0x330
[  339.995794]  ? zap_class+0x640/0x640
[  339.999496]  ? print_usage_bug+0xc0/0xc0
[  340.003547]  ? wq_watchdog_touch+0x9c/0xfe
[  340.007778]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.013314]  ? check_preemption_disabled+0x48/0x280
[  340.018336]  ? __lock_is_held+0xb5/0x140
[  340.022400]  __alloc_pages_nodemask+0xa80/0xde0
[  340.027063]  ? zap_class+0x640/0x640
[  340.030834]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  340.035858]  ? find_held_lock+0x36/0x1c0
[  340.039923]  ? ____cache_alloc_node+0x1c7/0x1e0
[  340.044587]  ? lock_downgrade+0x900/0x900
[  340.048749]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.054286]  cache_grow_begin+0xa5/0x8c0
[  340.058343]  ? do_raw_spin_unlock+0xa7/0x330
[  340.062757]  fallback_alloc+0x204/0x2e0
[  340.066741]  ____cache_alloc_node+0x1c7/0x1e0
[  340.071236]  kmem_cache_alloc_node+0xe3/0x730
[  340.075740]  ? ipv6_get_ifaddr+0x42e/0x620
[  340.079984]  __alloc_skb+0x119/0x770
[  340.083695]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  340.088979]  ? netdev_alloc_frag+0x1f0/0x1f0
[  340.093384]  ? lock_downgrade+0x900/0x900
[  340.097542]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.103083]  ? refcount_sub_and_test_checked+0x203/0x310
[  340.108562]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  340.114010]  ? addrconf_rs_timer+0x690/0x690
[  340.118423]  ndisc_alloc_skb+0x144/0x340
[  340.122480]  ndisc_send_rs+0x331/0x6e0
[  340.126366]  addrconf_rs_timer+0x314/0x690
[  340.130600]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  340.134846]  call_timer_fn+0x272/0x920
[  340.139072]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  340.143302]  ? process_timeout+0x40/0x40
[  340.147856]  ? __run_timers+0x7da/0xc70
[  340.151838]  ? _raw_spin_unlock_irq+0x27/0x80
[  340.156328]  ? _raw_spin_unlock_irq+0x27/0x80
[  340.160820]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  340.165050]  ? lockdep_hardirqs_on+0x296/0x5b0
[  340.169636]  ? trace_hardirqs_on+0xbd/0x310
[  340.173951]  ? kasan_check_read+0x11/0x20
[  340.178096]  ? __run_timers+0x7da/0xc70
[  340.182064]  ? trace_hardirqs_off_caller+0x310/0x310
[  340.187166]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  340.191402]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  340.195627]  __run_timers+0x7e5/0xc70
[  340.199431]  ? timer_fixup_init+0x70/0x70
[  340.203571]  ? _raw_spin_unlock_irq+0x27/0x80
[  340.208063]  ? _raw_spin_unlock_irq+0x27/0x80
[  340.212552]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  340.217127]  ? trace_hardirqs_on+0xbd/0x310
[  340.221442]  ? kasan_check_read+0x11/0x20
[  340.225588]  ? finish_task_switch+0x1f4/0x910
[  340.230081]  ? trace_hardirqs_off_caller+0x310/0x310
[  340.235182]  ? compat_start_thread+0x80/0x80
[  340.239618]  ? pvclock_read_flags+0x160/0x160
[  340.244105]  ? __switch_to_asm+0x34/0x70
[  340.248164]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.253700]  ? check_preemption_disabled+0x48/0x280
[  340.258732]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  340.264267]  ? rcu_pm_notify+0xc0/0xc0
[  340.268149]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.273681]  ? check_preemption_disabled+0x48/0x280
[  340.278703]  run_timer_softirq+0x52/0xb0
[  340.282772]  ? rcu_read_lock_sched_held+0x14f/0x180
[  340.287786]  __do_softirq+0x308/0xb7e
[  340.291592]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  340.296700]  ? trace_hardirqs_off+0xb8/0x310
[  340.301107]  ? rcu_irq_enter+0x18c/0x310
[  340.305172]  ? schedule+0x108/0x460
[  340.308796]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  340.313558]  ? trace_hardirqs_off+0xb8/0x310
[  340.317966]  ? smpboot_thread_fn+0x68b/0xa00
[  340.322370]  ? trace_hardirqs_on+0x310/0x310
[  340.326779]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  340.332375]  ? check_preemption_disabled+0x48/0x280
[  340.337391]  ? takeover_tasklets+0xa90/0xa90
[  340.341795]  run_ksoftirqd+0x5e/0x100
[  340.345589]  smpboot_thread_fn+0x68b/0xa00
[  340.349824]  ? sort_range+0x30/0x30
[  340.353446]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  340.358546]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  340.364080]  ? __kthread_parkme+0xfb/0x1a0
[  340.368321]  ? sort_range+0x30/0x30
[  340.371941]  kthread+0x35a/0x440
[  340.375307]  ? kthread_stop+0x900/0x900
[  340.379282]  ret_from_fork+0x3a/0x50
[  340.383007] warn_alloc_show_mem: 1 callbacks suppressed
[  340.383016] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  340.383017] Mem-Info:
[  340.383045] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  340.383045]  active_file:16 inactive_file:14 isolated_file:0
[  340.383045]  unevictable:0 dirty:0 writeback:0 unstable:0
[  340.383045]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  340.383045]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  340.383045]  free:13767 free_pcp:490 free_cma:0
[  340.388382] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  340.388389] Call Trace:
[  340.395662] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  340.398052]  <IRQ>
[  340.431169] 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
[  340.440518]  dump_stack+0x244/0x39d
[  340.443075] lowmem_reserve[]: 0 2818 6321 6321
[  340.470741]  ? dump_stack_print_info.cold.1+0x20/0x20
[  340.472863] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  340.498971]  warn_alloc.cold.116+0xb7/0x1bd
[  340.502555] lowmem_reserve[]: 0 0 3503 3503
[  340.507129]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  340.512291] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  340.539780]  ? lock_downgrade+0x900/0x900
[  340.544074] lowmem_reserve[]: 0 0 0 0
[  340.548394]  ? trace_hardirqs_off+0xb8/0x310
[  340.553208] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  340.582342]  ? trace_hardirqs_off+0xb8/0x310
[  340.586462] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  340.590258]  __alloc_pages_slowpath+0x26e8/0x2e10
[  340.594633] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  340.608166]  ? warn_alloc+0x120/0x120
[  340.612532] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  340.627860]  ? warn_alloc+0x120/0x120
[  340.632686] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  340.647768]  ? __lock_acquire+0x62f/0x4c20
[  340.651538] 1997 total pagecache pages
[  340.660359]  ? warn_alloc+0x120/0x120
[  340.664138] 0 pages in swap cache
[  340.672715]  ? print_usage_bug+0xc0/0xc0
[  340.676926] Swap cache stats: add 0, delete 0, find 0/0
[  340.680801]  ? print_usage_bug+0xc0/0xc0
[  340.684572] Free swap  = 0kB
[  340.688009]  ? mark_held_locks+0x130/0x130
[  340.692043] Total swap = 0kB
[  340.697397]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  340.701429] 1965979 pages RAM
[  340.704431]  ? should_fail+0x22d/0xd01
[  340.708633] 0 pages HighMem/MovableOnly
[  340.708640] 342853 pages reserved
[  340.711646]  ? zap_class+0x640/0x640
[  340.717155] 0 pages cma reserved
[  340.720247]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  340.724187] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  340.728069]  ? __lock_acquire+0x62f/0x4c20
[  340.731569] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  340.735207]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  340.738547] ksoftirqd/1 cpuset=/ mems_allowed=0
[  340.743637]  ? should_fail+0x22d/0xd01
[  340.778223]  ? mark_held_locks+0x130/0x130
[  340.782453]  ? mark_held_locks+0x130/0x130
[  340.786696]  ? lock_downgrade+0x900/0x900
[  340.790840]  ? zap_class+0x640/0x640
[  340.794550]  ? zap_class+0x640/0x640
[  340.798258]  ? zap_class+0x640/0x640
[  340.801962]  ? do_raw_spin_unlock+0xa7/0x330
[  340.806377]  ? trace_hardirqs_on+0x310/0x310
[  340.810781]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.816312]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.821867]  ? check_preemption_disabled+0x48/0x280
[  340.826884]  ? __lock_is_held+0xb5/0x140
[  340.830947]  __alloc_pages_nodemask+0xa80/0xde0
[  340.835607]  ? zap_class+0x640/0x640
[  340.839315]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  340.844332]  ? find_held_lock+0x36/0x1c0
[  340.848396]  ? ____cache_alloc_node+0x1c7/0x1e0
[  340.853060]  ? lock_downgrade+0x900/0x900
[  340.857214]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.862752]  cache_grow_begin+0xa5/0x8c0
[  340.866806]  ? do_raw_spin_unlock+0xa7/0x330
[  340.871215]  fallback_alloc+0x204/0x2e0
[  340.875186]  ____cache_alloc_node+0x1c7/0x1e0
[  340.879780]  kmem_cache_alloc_node+0xe3/0x730
[  340.884270]  ? lockdep_hardirqs_on+0x296/0x5b0
[  340.888857]  __alloc_skb+0x119/0x770
[  340.892563]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  340.897927]  ? netdev_alloc_frag+0x1f0/0x1f0
[  340.902338]  ? vprintk_default+0x28/0x30
[  340.906399]  ? vprintk_func+0x85/0x181
[  340.910282]  ? printk+0xa7/0xcf
[  340.913555]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  340.918307]  ? do_raw_spin_trylock+0x270/0x270
[  340.922887]  new_skb+0x26/0x1c0
[  340.926176]  aoecmd_cfg+0x279/0x7f0
[  340.929802]  ? find_held_lock+0x36/0x1c0
[  340.933860]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  340.938268]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.943809]  ? __lock_is_held+0xb5/0x140
[  340.947877]  discover_timer+0x50/0x60
[  340.951688]  call_timer_fn+0x272/0x920
[  340.955571]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  340.960406]  ? process_timeout+0x40/0x40
[  340.964468]  ? __run_timers+0x7da/0xc70
[  340.968440]  ? _raw_spin_unlock_irq+0x27/0x80
[  340.972927]  ? _raw_spin_unlock_irq+0x27/0x80
[  340.977416]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  340.982257]  ? lockdep_hardirqs_on+0x296/0x5b0
[  340.986839]  ? trace_hardirqs_on+0xbd/0x310
[  340.991153]  ? kasan_check_read+0x11/0x20
[  340.995291]  ? __run_timers+0x7da/0xc70
[  340.999272]  ? trace_hardirqs_off_caller+0x310/0x310
[  341.004381]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  341.009233]  __run_timers+0x7e5/0xc70
[  341.013040]  ? timer_fixup_init+0x70/0x70
[  341.017185]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  341.022196]  ? zap_class+0x640/0x640
[  341.025906]  ? enqueue_hrtimer+0x1a5/0x560
[  341.030142]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  341.035335]  ? find_held_lock+0x36/0x1c0
[  341.039399]  ? zap_class+0x640/0x640
[  341.043109]  ? pvclock_read_flags+0x160/0x160
[  341.047601]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.053133]  ? check_preemption_disabled+0x48/0x280
[  341.058152]  ? __lock_is_held+0xb5/0x140
[  341.062208]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.067740]  ? check_preemption_disabled+0x48/0x280
[  341.072755]  run_timer_softirq+0x52/0xb0
[  341.076809]  ? rcu_read_lock_sched_held+0x14f/0x180
[  341.081821]  __do_softirq+0x308/0xb7e
[  341.085618]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  341.090112]  ? lock_downgrade+0x900/0x900
[  341.094282]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  341.099386]  ? pvclock_read_flags+0x160/0x160
[  341.103893]  ? lapic_next_event+0x5a/0x90
[  341.108040]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.113577]  ? kvm_clock_read+0x18/0x30
[  341.117545]  ? kvm_sched_clock_read+0x9/0x20
[  341.121948]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.127478]  ? check_preemption_disabled+0x48/0x280
[  341.132500]  irq_exit+0x17f/0x1c0
[  341.135950]  smp_apic_timer_interrupt+0x1cb/0x760
[  341.140787]  ? smp_reschedule_interrupt+0x109/0x650
[  341.145803]  ? smp_call_function_single_interrupt+0x650/0x650
[  341.151688]  ? interrupt_entry+0xb5/0xc0
[  341.155746]  ? trace_hardirqs_off_caller+0xbb/0x310
[  341.160756]  ? trace_hardirqs_off_caller+0xbb/0x310
[  341.165774]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  341.170612]  ? trace_hardirqs_on_caller+0x310/0x310
[  341.175626]  ? trace_hardirqs_on_caller+0x310/0x310
[  341.180653]  ? task_prio+0x50/0x50
[  341.184194]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.189729]  ? check_preemption_disabled+0x48/0x280
[  341.194918]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  341.199763]  apic_timer_interrupt+0xf/0x20
[  341.203984]  </IRQ>
[  341.206214] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  341.211139] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  341.230032] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  341.237732] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  341.244996] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  341.252257] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  341.259517] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  341.266779] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  341.274084]  skb_clone+0x1bb/0x500
[  341.277619]  ? finish_task_switch+0x2f4/0x910
[  341.282116]  ? skb_split+0x11e0/0x11e0
[  341.286000]  ? preempt_notifier_register+0x200/0x200
[  341.291093]  ? __switch_to_asm+0x34/0x70
[  341.295145]  ? __switch_to_asm+0x34/0x70
[  341.299198]  ? __switch_to_asm+0x40/0x70
[  341.303249]  ? __switch_to_asm+0x34/0x70
[  341.307316]  ? __switch_to_asm+0x40/0x70
[  341.311367]  ? __switch_to_asm+0x34/0x70
[  341.315417]  ? __switch_to_asm+0x40/0x70
[  341.319469]  ? __switch_to_asm+0x34/0x70
[  341.323525]  ? __switch_to_asm+0x34/0x70
[  341.327577]  ? __switch_to_asm+0x40/0x70
[  341.331639]  ? __switch_to_asm+0x34/0x70
[  341.335705]  bpf_clone_redirect+0xb9/0x490
[  341.339932]  ? __schedule+0x8d7/0x21d0
[  341.343826]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  341.348755]  ? __sched_text_start+0x8/0x8
[  341.352902]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  341.357480]  ? retint_kernel+0x2d/0x2d
[  341.361361]  ? trace_hardirqs_on_caller+0xc0/0x310
[  341.366294]  ? find_held_lock+0x36/0x1c0
[  341.370365]  ? lock_acquire+0x1ed/0x520
[  341.374339]  ? bpf_test_run+0x3cb/0x780
[  341.378308]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.383843]  ? check_preemption_disabled+0x48/0x280
[  341.388858]  ? kasan_check_read+0x11/0x20
[  341.393000]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  341.398269]  ? rcu_softirq_qs+0x20/0x20
[  341.402240]  ? preempt_schedule+0x4d/0x60
[  341.406387]  ? ___preempt_schedule+0x16/0x18
[  341.410801]  ? bpf_test_run+0x25d/0x780
[  341.414785]  ? netlink_diag_dump+0x2a0/0x2a0
[  341.419193]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  341.424725]  ? bpf_test_init.isra.10+0x70/0x100
[  341.429398]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  341.434168]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  341.439007]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  341.444538]  ? fput+0x130/0x1a0
[  341.447812]  ? __bpf_prog_get+0x9b/0x290
[  341.451871]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  341.456708]  ? bpf_prog_test_run+0x130/0x1a0
[  341.461126]  ? __x64_sys_bpf+0x3d8/0x520
[  341.465183]  ? bpf_prog_get+0x20/0x20
[  341.469001]  ? do_syscall_64+0x1b9/0x820
[  341.473056]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  341.478417]  ? syscall_return_slowpath+0x5e0/0x5e0
[  341.483346]  ? trace_hardirqs_on_caller+0x310/0x310
[  341.488363]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  341.493373]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  341.500033]  ? __switch_to_asm+0x40/0x70
[  341.504085]  ? __switch_to_asm+0x34/0x70
[  341.508148]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  341.512991]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  341.518366] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  341.518426] aoe: skb alloc failure
[  341.525205] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  341.525210] Call Trace:
[  341.525228]  dump_stack+0x244/0x39d
[  341.525245]  ? dump_stack_print_info.cold.1+0x20/0x20
[  341.525272]  warn_alloc.cold.116+0xb7/0x1bd
[  341.528825] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  341.538126]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  341.540688] syz-executor4 cpuset=syz4 mems_allowed=0
[  341.544306]  ? lock_downgrade+0x900/0x900
[  341.578289]  ? trace_hardirqs_off+0xb8/0x310
[  341.582703]  ? trace_hardirqs_off+0xb8/0x310
[  341.587118]  __alloc_pages_slowpath+0x26e8/0x2e10
[  341.591992]  ? warn_alloc+0x120/0x120
[  341.595788]  ? print_usage_bug+0xc0/0xc0
[  341.599845]  ? warn_alloc+0x120/0x120
[  341.603646]  ? warn_alloc+0x120/0x120
[  341.607444]  ? print_usage_bug+0xc0/0xc0
[  341.611506]  ? print_usage_bug+0xc0/0xc0
[  341.615561]  ? __lock_acquire+0x62f/0x4c20
[  341.619801]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  341.625334]  ? should_fail+0x22d/0xd01
[  341.629315]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  341.634418]  ? __lock_acquire+0x62f/0x4c20
[  341.638654]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  341.643751]  ? __lock_acquire+0x62f/0x4c20
[  341.647979]  ? should_fail+0x22d/0xd01
[  341.651864]  ? find_held_lock+0x36/0x1c0
[  341.655933]  ? mark_held_locks+0x130/0x130
[  341.660169]  ? mark_held_locks+0x130/0x130
[  341.664399]  ? zap_class+0x640/0x640
[  341.668130]  ? mark_held_locks+0xc7/0x130
[  341.672271]  ? do_raw_spin_unlock+0xa7/0x330
[  341.676676]  ? zap_class+0x640/0x640
[  341.680386]  ? print_usage_bug+0xc0/0xc0
[  341.684449]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.689994]  ? check_preemption_disabled+0x48/0x280
[  341.695444]  ? __lock_is_held+0xb5/0x140
[  341.699504]  __alloc_pages_nodemask+0xa80/0xde0
[  341.704167]  ? zap_class+0x640/0x640
[  341.707881]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  341.712908]  ? find_held_lock+0x36/0x1c0
[  341.716977]  ? ____cache_alloc_node+0x1c7/0x1e0
[  341.721642]  ? lock_downgrade+0x900/0x900
[  341.725794]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.731331]  cache_grow_begin+0xa5/0x8c0
[  341.735385]  ? do_raw_spin_unlock+0xa7/0x330
[  341.739795]  fallback_alloc+0x204/0x2e0
[  341.743769]  ____cache_alloc_node+0x1c7/0x1e0
[  341.748265]  kmem_cache_alloc_node+0xe3/0x730
[  341.752758]  ? ipv6_get_ifaddr+0x42e/0x620
[  341.756998]  __alloc_skb+0x119/0x770
[  341.760707]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  341.765999]  ? netdev_alloc_frag+0x1f0/0x1f0
[  341.770402]  ? lock_downgrade+0x900/0x900
[  341.774553]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.780092]  ? refcount_sub_and_test_checked+0x203/0x310
[  341.785543]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  341.790988]  ? addrconf_rs_timer+0x690/0x690
[  341.795405]  ndisc_alloc_skb+0x144/0x340
[  341.799467]  ndisc_send_rs+0x331/0x6e0
[  341.803355]  addrconf_rs_timer+0x314/0x690
[  341.807587]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  341.811851]  call_timer_fn+0x272/0x920
[  341.815741]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  341.819971]  ? process_timeout+0x40/0x40
[  341.824034]  ? __run_timers+0x7da/0xc70
[  341.828003]  ? _raw_spin_unlock_irq+0x27/0x80
[  341.832492]  ? _raw_spin_unlock_irq+0x27/0x80
[  341.836979]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  341.841207]  ? lockdep_hardirqs_on+0x296/0x5b0
[  341.845791]  ? trace_hardirqs_on+0xbd/0x310
[  341.850112]  ? kasan_check_read+0x11/0x20
[  341.854267]  ? __run_timers+0x7da/0xc70
[  341.858324]  ? trace_hardirqs_off_caller+0x310/0x310
[  341.863430]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  341.867664]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  341.871894]  __run_timers+0x7e5/0xc70
[  341.875702]  ? timer_fixup_init+0x70/0x70
[  341.879844]  ? _raw_spin_unlock_irq+0x27/0x80
[  341.884331]  ? _raw_spin_unlock_irq+0x27/0x80
[  341.888823]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  341.893400]  ? trace_hardirqs_on+0xbd/0x310
[  341.897716]  ? kasan_check_read+0x11/0x20
[  341.901870]  ? finish_task_switch+0x1f4/0x910
[  341.906366]  ? trace_hardirqs_off_caller+0x310/0x310
[  341.911468]  ? compat_start_thread+0x80/0x80
[  341.915894]  ? pvclock_read_flags+0x160/0x160
[  341.920380]  ? __switch_to_asm+0x34/0x70
[  341.924438]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.929972]  ? check_preemption_disabled+0x48/0x280
[  341.934991]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  341.940528]  ? rcu_pm_notify+0xc0/0xc0
[  341.944412]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.949945]  ? check_preemption_disabled+0x48/0x280
[  341.954960]  run_timer_softirq+0x52/0xb0
[  341.959015]  ? rcu_read_lock_sched_held+0x14f/0x180
[  341.964026]  __do_softirq+0x308/0xb7e
[  341.967833]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  341.972929]  ? trace_hardirqs_off+0xb8/0x310
[  341.977705]  ? rcu_irq_enter+0x18c/0x310
[  341.981773]  ? schedule+0x108/0x460
[  341.985408]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  341.990168]  ? trace_hardirqs_off+0xb8/0x310
[  341.994573]  ? smpboot_thread_fn+0x68b/0xa00
[  341.998991]  ? trace_hardirqs_on+0x310/0x310
[  342.003397]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  342.008930]  ? check_preemption_disabled+0x48/0x280
[  342.013947]  ? takeover_tasklets+0xa90/0xa90
[  342.018357]  run_ksoftirqd+0x5e/0x100
[  342.022156]  smpboot_thread_fn+0x68b/0xa00
[  342.026393]  ? sort_range+0x30/0x30
[  342.030015]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  342.035131]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  342.040666]  ? __kthread_parkme+0xfb/0x1a0
[  342.044979]  ? sort_range+0x30/0x30
[  342.048602]  kthread+0x35a/0x440
[  342.051965]  ? kthread_stop+0x900/0x900
[  342.055935]  ret_from_fork+0x3a/0x50
[  342.059657] warn_alloc_show_mem: 1 callbacks suppressed
[  342.059666] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  342.059667] Mem-Info:
[  342.059698] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  342.059698]  active_file:16 inactive_file:14 isolated_file:0
[  342.059698]  unevictable:0 dirty:0 writeback:0 unstable:0
[  342.059698]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  342.059698]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  342.059698]  free:13767 free_pcp:490 free_cma:0
[  342.065034] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  342.072302] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  342.074688] Call Trace:
[  342.107717] 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
[  342.117058]  <IRQ>
[  342.145317] lowmem_reserve[]: 0 2818 6321 6321
[  342.147916]  dump_stack+0x244/0x39d
[  342.173994] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  342.176138]  ? dump_stack_print_info.cold.1+0x20/0x20
[  342.180682] lowmem_reserve[]: 0 0 3503 3503
[  342.184317]  warn_alloc.cold.116+0xb7/0x1bd
[  342.211778] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  342.216962]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  342.221252] lowmem_reserve[]: 0 0 0 0
[  342.225572]  ? lock_downgrade+0x900/0x900
[  342.254689] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  342.259530]  ? trace_hardirqs_off+0xb8/0x310
[  342.263307] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  342.267478]  ? trace_hardirqs_off+0xb8/0x310
[  342.280969] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  342.285371]  __alloc_pages_slowpath+0x26e8/0x2e10
[  342.300690] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  342.305100]  ? warn_alloc+0x120/0x120
[  342.320148] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  342.320155] 1997 total pagecache pages
[  342.324988]  ? warn_alloc+0x120/0x120
[  342.333800] 0 pages in swap cache
[  342.337589]  ? warn_alloc+0x120/0x120
[  342.346159] Swap cache stats: add 0, delete 0, find 0/0
[  342.346167] Free swap  = 0kB
[  342.350043]  ? print_usage_bug+0xc0/0xc0
[  342.353814] Total swap = 0kB
[  342.357251]  ? print_usage_bug+0xc0/0xc0
[  342.361028] 1965979 pages RAM
[  342.366374]  ? ktime_get+0x2c1/0x400
[  342.369364] 0 pages HighMem/MovableOnly
[  342.373415]  ? check_preemption_disabled+0x48/0x280
[  342.376396] 342853 pages reserved
[  342.376403] 0 pages cma reserved
[  342.380451]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  342.383594] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  342.387235]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  342.391255] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  342.396188]  ? should_fail+0x22d/0xd01
[  342.399610] ksoftirqd/1 cpuset=/ mems_allowed=0
[  342.402967]  ? kasan_check_read+0x11/0x20
[  342.442368]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  342.447467]  ? __lock_acquire+0x62f/0x4c20
[  342.451699]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  342.456805]  ? should_fail+0x22d/0xd01
[  342.460692]  ? print_usage_bug+0xc0/0xc0
[  342.464755]  ? mark_held_locks+0x130/0x130
[  342.468999]  ? mark_held_locks+0x130/0x130
[  342.473227]  ? check_preemption_disabled+0x48/0x280
[  342.478252]  ? zap_class+0x640/0x640
[  342.481962]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  342.486740]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.492271]  ? check_preemption_disabled+0x48/0x280
[  342.497376]  ? __lock_is_held+0xb5/0x140
[  342.501436]  __alloc_pages_nodemask+0xa80/0xde0
[  342.506097]  ? zap_class+0x640/0x640
[  342.509811]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  342.514829]  ? find_held_lock+0x36/0x1c0
[  342.518892]  ? ____cache_alloc_node+0x1c7/0x1e0
[  342.523569]  ? lock_downgrade+0x900/0x900
[  342.527721]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.533256]  cache_grow_begin+0xa5/0x8c0
[  342.537312]  ? do_raw_spin_unlock+0xa7/0x330
[  342.542214]  fallback_alloc+0x204/0x2e0
[  342.546193]  ____cache_alloc_node+0x1c7/0x1e0
[  342.550687]  kmem_cache_alloc_node+0xe3/0x730
[  342.555176]  ? lockdep_hardirqs_on+0x296/0x5b0
[  342.559767]  __alloc_skb+0x119/0x770
[  342.563483]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  342.568847]  ? netdev_alloc_frag+0x1f0/0x1f0
[  342.573273]  ? vprintk_default+0x28/0x30
[  342.577450]  ? vprintk_func+0x85/0x181
[  342.581347]  ? printk+0xa7/0xcf
[  342.584624]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  342.589383]  ? do_raw_spin_trylock+0x270/0x270
[  342.593963]  new_skb+0x26/0x1c0
[  342.597235]  aoecmd_cfg+0x279/0x7f0
[  342.600870]  ? find_held_lock+0x36/0x1c0
[  342.604930]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  342.609255]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.614798]  ? __lock_is_held+0xb5/0x140
[  342.618865]  discover_timer+0x50/0x60
[  342.622661]  call_timer_fn+0x272/0x920
[  342.626557]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  342.631397]  ? process_timeout+0x40/0x40
[  342.635475]  ? __run_timers+0x7da/0xc70
[  342.639449]  ? _raw_spin_unlock_irq+0x27/0x80
[  342.643938]  ? _raw_spin_unlock_irq+0x27/0x80
[  342.648517]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  342.653366]  ? lockdep_hardirqs_on+0x296/0x5b0
[  342.657947]  ? trace_hardirqs_on+0xbd/0x310
[  342.662266]  ? kasan_check_read+0x11/0x20
[  342.666408]  ? __run_timers+0x7da/0xc70
[  342.670380]  ? trace_hardirqs_off_caller+0x310/0x310
[  342.675486]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  342.680322]  __run_timers+0x7e5/0xc70
[  342.684124]  ? timer_fixup_init+0x70/0x70
[  342.688270]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  342.693282]  ? zap_class+0x640/0x640
[  342.696996]  ? enqueue_hrtimer+0x1a5/0x560
[  342.701228]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  342.706417]  ? find_held_lock+0x36/0x1c0
[  342.710479]  ? zap_class+0x640/0x640
[  342.714207]  ? pvclock_read_flags+0x160/0x160
[  342.718698]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.724242]  ? check_preemption_disabled+0x48/0x280
[  342.729270]  ? __lock_is_held+0xb5/0x140
[  342.733325]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.738857]  ? check_preemption_disabled+0x48/0x280
[  342.743890]  run_timer_softirq+0x52/0xb0
[  342.747945]  ? rcu_read_lock_sched_held+0x14f/0x180
[  342.752956]  __do_softirq+0x308/0xb7e
[  342.756753]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  342.761242]  ? lock_downgrade+0x900/0x900
[  342.765490]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  342.770599]  ? pvclock_read_flags+0x160/0x160
[  342.775095]  ? lapic_next_event+0x5a/0x90
[  342.779240]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.784776]  ? kvm_clock_read+0x18/0x30
[  342.788748]  ? kvm_sched_clock_read+0x9/0x20
[  342.793151]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.798700]  ? check_preemption_disabled+0x48/0x280
[  342.803722]  irq_exit+0x17f/0x1c0
[  342.807169]  smp_apic_timer_interrupt+0x1cb/0x760
[  342.812004]  ? smp_reschedule_interrupt+0x109/0x650
[  342.817017]  ? smp_call_function_single_interrupt+0x650/0x650
[  342.822894]  ? interrupt_entry+0xb5/0xc0
[  342.826952]  ? trace_hardirqs_off_caller+0xbb/0x310
[  342.831961]  ? trace_hardirqs_off_caller+0xbb/0x310
[  342.836973]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  342.841826]  ? trace_hardirqs_on_caller+0x310/0x310
[  342.846866]  ? trace_hardirqs_on_caller+0x310/0x310
[  342.851874]  ? task_prio+0x50/0x50
[  342.855409]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.860942]  ? check_preemption_disabled+0x48/0x280
[  342.865958]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  342.870803]  apic_timer_interrupt+0xf/0x20
[  342.875025]  </IRQ>
[  342.877346] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  342.882272] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  342.901167] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  342.908872] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  342.916133] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  342.923396] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  342.930659] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  342.937919] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  342.945220]  skb_clone+0x1bb/0x500
[  342.948844]  ? finish_task_switch+0x2f4/0x910
[  342.953333]  ? skb_split+0x11e0/0x11e0
[  342.957217]  ? preempt_notifier_register+0x200/0x200
[  342.962312]  ? __switch_to_asm+0x34/0x70
[  342.966362]  ? __switch_to_asm+0x34/0x70
[  342.970415]  ? __switch_to_asm+0x40/0x70
[  342.974467]  ? __switch_to_asm+0x34/0x70
[  342.978528]  ? __switch_to_asm+0x40/0x70
[  342.982580]  ? __switch_to_asm+0x34/0x70
[  342.986631]  ? __switch_to_asm+0x40/0x70
[  342.990687]  ? __switch_to_asm+0x34/0x70
[  342.994753]  ? __switch_to_asm+0x34/0x70
[  342.998816]  ? __switch_to_asm+0x40/0x70
[  343.002873]  ? __switch_to_asm+0x34/0x70
[  343.006935]  bpf_clone_redirect+0xb9/0x490
[  343.011169]  ? __schedule+0x8d7/0x21d0
[  343.015055]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  343.019983]  ? __sched_text_start+0x8/0x8
[  343.024145]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  343.028723]  ? retint_kernel+0x2d/0x2d
[  343.032606]  ? trace_hardirqs_on_caller+0xc0/0x310
[  343.037544]  ? find_held_lock+0x36/0x1c0
[  343.041618]  ? lock_acquire+0x1ed/0x520
[  343.045588]  ? bpf_test_run+0x3cb/0x780
[  343.049558]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.055090]  ? check_preemption_disabled+0x48/0x280
[  343.060106]  ? kasan_check_read+0x11/0x20
[  343.064248]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  343.069536]  ? rcu_softirq_qs+0x20/0x20
[  343.073516]  ? preempt_schedule+0x4d/0x60
[  343.077671]  ? ___preempt_schedule+0x16/0x18
[  343.082099]  ? bpf_test_run+0x25d/0x780
[  343.086078]  ? netlink_diag_dump+0x2a0/0x2a0
[  343.090520]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  343.096052]  ? bpf_test_init.isra.10+0x70/0x100
[  343.100724]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  343.105484]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  343.110333]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  343.115867]  ? fput+0x130/0x1a0
[  343.119144]  ? __bpf_prog_get+0x9b/0x290
[  343.123206]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  343.128042]  ? bpf_prog_test_run+0x130/0x1a0
[  343.132451]  ? __x64_sys_bpf+0x3d8/0x520
[  343.136518]  ? bpf_prog_get+0x20/0x20
[  343.140417]  ? do_syscall_64+0x1b9/0x820
[  343.144469]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  343.149835]  ? syscall_return_slowpath+0x5e0/0x5e0
[  343.154772]  ? trace_hardirqs_on_caller+0x310/0x310
[  343.159786]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  343.164814]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  343.171473]  ? __switch_to_asm+0x40/0x70
[  343.175542]  ? __switch_to_asm+0x34/0x70
[  343.179607]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  343.184453]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  343.189851] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  343.189925] aoe: skb alloc failure
[  343.196693] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  343.196700] Call Trace:
[  343.200268] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  343.209561]  dump_stack+0x244/0x39d
[  343.212119] syz-executor4 cpuset=syz4 mems_allowed=0
[  343.222593]  ? dump_stack_print_info.cold.1+0x20/0x20
[  343.236479]  warn_alloc.cold.116+0xb7/0x1bd
[  343.240807]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  343.245647]  ? lock_downgrade+0x900/0x900
[  343.249797]  ? trace_hardirqs_off+0xb8/0x310
[  343.254204]  ? trace_hardirqs_off+0xb8/0x310
[  343.258625]  __alloc_pages_slowpath+0x26e8/0x2e10
[  343.263507]  ? warn_alloc+0x120/0x120
[  343.267304]  ? print_usage_bug+0xc0/0xc0
[  343.271450]  ? warn_alloc+0x120/0x120
[  343.275257]  ? warn_alloc+0x120/0x120
[  343.279064]  ? print_usage_bug+0xc0/0xc0
[  343.283138]  ? print_usage_bug+0xc0/0xc0
[  343.287199]  ? __lock_acquire+0x62f/0x4c20
[  343.291451]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  343.296990]  ? should_fail+0x22d/0xd01
[  343.300905]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  343.306008]  ? __lock_acquire+0x62f/0x4c20
[  343.310244]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  343.315345]  ? __lock_acquire+0x62f/0x4c20
[  343.319573]  ? should_fail+0x22d/0xd01
[  343.323459]  ? find_held_lock+0x36/0x1c0
[  343.327529]  ? mark_held_locks+0x130/0x130
[  343.331766]  ? mark_held_locks+0x130/0x130
[  343.335991]  ? zap_class+0x640/0x640
[  343.339712]  ? mark_held_locks+0xc7/0x130
[  343.343855]  ? do_raw_spin_unlock+0xa7/0x330
[  343.348255]  ? zap_class+0x640/0x640
[  343.351967]  ? print_usage_bug+0xc0/0xc0
[  343.356034]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.361567]  ? check_preemption_disabled+0x48/0x280
[  343.366787]  ? __lock_is_held+0xb5/0x140
[  343.370848]  __alloc_pages_nodemask+0xa80/0xde0
[  343.375523]  ? zap_class+0x640/0x640
[  343.379238]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  343.384260]  ? find_held_lock+0x36/0x1c0
[  343.388327]  ? ____cache_alloc_node+0x1c7/0x1e0
[  343.392996]  ? lock_downgrade+0x900/0x900
[  343.397142]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.402680]  cache_grow_begin+0xa5/0x8c0
[  343.406737]  ? do_raw_spin_unlock+0xa7/0x330
[  343.411150]  fallback_alloc+0x204/0x2e0
[  343.415122]  ____cache_alloc_node+0x1c7/0x1e0
[  343.419619]  kmem_cache_alloc_node+0xe3/0x730
[  343.424110]  ? ipv6_get_ifaddr+0x42e/0x620
[  343.428351]  __alloc_skb+0x119/0x770
[  343.432059]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  343.437344]  ? netdev_alloc_frag+0x1f0/0x1f0
[  343.441856]  ? lock_downgrade+0x900/0x900
[  343.446008]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.451541]  ? refcount_sub_and_test_checked+0x203/0x310
[  343.456994]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  343.462440]  ? addrconf_rs_timer+0x690/0x690
[  343.466861]  ndisc_alloc_skb+0x144/0x340
[  343.470920]  ndisc_send_rs+0x331/0x6e0
[  343.474805]  addrconf_rs_timer+0x314/0x690
[  343.479043]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  343.483280]  call_timer_fn+0x272/0x920
[  343.487161]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  343.491387]  ? process_timeout+0x40/0x40
[  343.495461]  ? __run_timers+0x7da/0xc70
[  343.499434]  ? _raw_spin_unlock_irq+0x27/0x80
[  343.503922]  ? _raw_spin_unlock_irq+0x27/0x80
[  343.508411]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  343.512644]  ? lockdep_hardirqs_on+0x296/0x5b0
[  343.517223]  ? trace_hardirqs_on+0xbd/0x310
[  343.521536]  ? kasan_check_read+0x11/0x20
[  343.525686]  ? __run_timers+0x7da/0xc70
[  343.529658]  ? trace_hardirqs_off_caller+0x310/0x310
[  343.534759]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  343.538999]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  343.543223]  __run_timers+0x7e5/0xc70
[  343.547028]  ? timer_fixup_init+0x70/0x70
[  343.551169]  ? _raw_spin_unlock_irq+0x27/0x80
[  343.555660]  ? _raw_spin_unlock_irq+0x27/0x80
[  343.560168]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  343.564746]  ? trace_hardirqs_on+0xbd/0x310
[  343.569061]  ? kasan_check_read+0x11/0x20
[  343.573208]  ? finish_task_switch+0x1f4/0x910
[  343.577698]  ? trace_hardirqs_off_caller+0x310/0x310
[  343.582797]  ? compat_start_thread+0x80/0x80
[  343.587219]  ? pvclock_read_flags+0x160/0x160
[  343.591705]  ? __switch_to_asm+0x34/0x70
[  343.595760]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.601292]  ? check_preemption_disabled+0x48/0x280
[  343.606313]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  343.611870]  ? rcu_pm_notify+0xc0/0xc0
[  343.615752]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.621282]  ? check_preemption_disabled+0x48/0x280
[  343.626311]  run_timer_softirq+0x52/0xb0
[  343.630366]  ? rcu_read_lock_sched_held+0x14f/0x180
[  343.635377]  __do_softirq+0x308/0xb7e
[  343.639184]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  343.644296]  ? trace_hardirqs_off+0xb8/0x310
[  343.648700]  ? rcu_irq_enter+0x18c/0x310
[  343.652759]  ? schedule+0x108/0x460
[  343.656380]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  343.661142]  ? trace_hardirqs_off+0xb8/0x310
[  343.665547]  ? smpboot_thread_fn+0x68b/0xa00
[  343.669950]  ? trace_hardirqs_on+0x310/0x310
[  343.674357]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  343.679888]  ? check_preemption_disabled+0x48/0x280
[  343.684909]  ? takeover_tasklets+0xa90/0xa90
[  343.689317]  run_ksoftirqd+0x5e/0x100
[  343.693115]  smpboot_thread_fn+0x68b/0xa00
[  343.697355]  ? sort_range+0x30/0x30
[  343.700986]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  343.706114]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  343.711659]  ? __kthread_parkme+0xfb/0x1a0
[  343.715895]  ? sort_range+0x30/0x30
[  343.719520]  kthread+0x35a/0x440
[  343.722885]  ? kthread_stop+0x900/0x900
[  343.726857]  ret_from_fork+0x3a/0x50
[  343.730588] warn_alloc_show_mem: 1 callbacks suppressed
[  343.730597] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  343.730599] Mem-Info:
[  343.730628] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  343.730628]  active_file:16 inactive_file:14 isolated_file:0
[  343.730628]  unevictable:0 dirty:0 writeback:0 unstable:0
[  343.730628]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  343.730628]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  343.730628]  free:13767 free_pcp:490 free_cma:0
[  343.735961] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  343.735972] Call Trace:
[  343.743245] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  343.745638]  <IRQ>
[  343.778667] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  343.788016]  dump_stack+0x244/0x39d
[  343.790572] lowmem_reserve[]: 0 2818 6321 6321
[  343.818233]  ? dump_stack_print_info.cold.1+0x20/0x20
[  343.820354] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  343.846472]  warn_alloc.cold.116+0xb7/0x1bd
[  343.850054] lowmem_reserve[]: 0 0 3503 3503
[  343.854630]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  343.859792] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  343.887279]  ? lock_downgrade+0x900/0x900
[  343.891564] lowmem_reserve[]: 0 0 0 0
[  343.895882]  ? trace_hardirqs_off+0xb8/0x310
[  343.900689] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  343.929828]  ? trace_hardirqs_off+0xb8/0x310
[  343.933944] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  343.937738]  __alloc_pages_slowpath+0x26e8/0x2e10
[  343.942113] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  343.955648]  ? warn_alloc+0x120/0x120
[  343.960012] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  343.975342]  ? warn_alloc+0x120/0x120
[  343.980378] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  343.980386] 1997 total pagecache pages
[  343.995478]  ? warn_alloc+0x120/0x120
[  343.999245] 0 pages in swap cache
[  344.008065]  ? print_usage_bug+0xc0/0xc0
[  344.011841] Swap cache stats: add 0, delete 0, find 0/0
[  344.020502]  ? print_usage_bug+0xc0/0xc0
[  344.024358] Free swap  = 0kB
[  344.028145]  ? ktime_get+0x2c1/0x400
[  344.031573] Total swap = 0kB
[  344.031580] 1965979 pages RAM
[  344.035631]  ? check_preemption_disabled+0x48/0x280
[  344.040962] 0 pages HighMem/MovableOnly
[  344.045009]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  344.048001] 342853 pages reserved
[  344.051699]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  344.054689] 0 pages cma reserved
[  344.057779]  ? should_fail+0x22d/0xd01
[  344.062826] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  344.066730]  ? kasan_check_read+0x11/0x20
[  344.071270] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  344.074642]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  344.080147] ksoftirqd/1 cpuset=/ mems_allowed=0
[  344.083516]  ? __lock_acquire+0x62f/0x4c20
[  344.122251]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  344.127347]  ? should_fail+0x22d/0xd01
[  344.131229]  ? print_usage_bug+0xc0/0xc0
[  344.135291]  ? mark_held_locks+0x130/0x130
[  344.139527]  ? mark_held_locks+0x130/0x130
[  344.143757]  ? check_preemption_disabled+0x48/0x280
[  344.148994]  ? zap_class+0x640/0x640
[  344.152704]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  344.157464]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.162998]  ? check_preemption_disabled+0x48/0x280
[  344.168018]  ? __lock_is_held+0xb5/0x140
[  344.172081]  __alloc_pages_nodemask+0xa80/0xde0
[  344.176743]  ? zap_class+0x640/0x640
[  344.180465]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  344.185486]  ? find_held_lock+0x36/0x1c0
[  344.189551]  ? ____cache_alloc_node+0x1c7/0x1e0
[  344.194215]  ? lock_downgrade+0x900/0x900
[  344.198365]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.203900]  cache_grow_begin+0xa5/0x8c0
[  344.207958]  ? do_raw_spin_unlock+0xa7/0x330
[  344.212368]  fallback_alloc+0x204/0x2e0
[  344.216342]  ____cache_alloc_node+0x1c7/0x1e0
[  344.220834]  kmem_cache_alloc_node+0xe3/0x730
[  344.225328]  ? lockdep_hardirqs_on+0x296/0x5b0
[  344.229911]  __alloc_skb+0x119/0x770
[  344.233616]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  344.238975]  ? netdev_alloc_frag+0x1f0/0x1f0
[  344.243380]  ? vprintk_default+0x28/0x30
[  344.247444]  ? vprintk_func+0x85/0x181
[  344.251325]  ? printk+0xa7/0xcf
[  344.254600]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  344.259354]  ? do_raw_spin_trylock+0x270/0x270
[  344.263934]  new_skb+0x26/0x1c0
[  344.267212]  aoecmd_cfg+0x279/0x7f0
[  344.270836]  ? find_held_lock+0x36/0x1c0
[  344.274911]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  344.279243]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.284783]  ? __lock_is_held+0xb5/0x140
[  344.288857]  discover_timer+0x50/0x60
[  344.292650]  call_timer_fn+0x272/0x920
[  344.296534]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  344.301368]  ? process_timeout+0x40/0x40
[  344.305444]  ? __run_timers+0x7da/0xc70
[  344.309428]  ? _raw_spin_unlock_irq+0x27/0x80
[  344.313914]  ? _raw_spin_unlock_irq+0x27/0x80
[  344.318408]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  344.323264]  ? lockdep_hardirqs_on+0x296/0x5b0
[  344.327854]  ? trace_hardirqs_on+0xbd/0x310
[  344.332168]  ? kasan_check_read+0x11/0x20
[  344.336312]  ? __run_timers+0x7da/0xc70
[  344.340285]  ? trace_hardirqs_off_caller+0x310/0x310
[  344.345397]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  344.350245]  __run_timers+0x7e5/0xc70
[  344.354047]  ? timer_fixup_init+0x70/0x70
[  344.358195]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  344.363215]  ? zap_class+0x640/0x640
[  344.366945]  ? enqueue_hrtimer+0x1a5/0x560
[  344.371177]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  344.376471]  ? find_held_lock+0x36/0x1c0
[  344.380530]  ? zap_class+0x640/0x640
[  344.384241]  ? pvclock_read_flags+0x160/0x160
[  344.388732]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.394284]  ? check_preemption_disabled+0x48/0x280
[  344.399297]  ? __lock_is_held+0xb5/0x140
[  344.403351]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.408881]  ? check_preemption_disabled+0x48/0x280
[  344.413900]  run_timer_softirq+0x52/0xb0
[  344.417960]  ? rcu_read_lock_sched_held+0x14f/0x180
[  344.422975]  __do_softirq+0x308/0xb7e
[  344.426772]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  344.431257]  ? lock_downgrade+0x900/0x900
[  344.435417]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  344.440545]  ? pvclock_read_flags+0x160/0x160
[  344.445037]  ? lapic_next_event+0x5a/0x90
[  344.449181]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.454720]  ? kvm_clock_read+0x18/0x30
[  344.458689]  ? kvm_sched_clock_read+0x9/0x20
[  344.463097]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.468626]  ? check_preemption_disabled+0x48/0x280
[  344.473647]  irq_exit+0x17f/0x1c0
[  344.477112]  smp_apic_timer_interrupt+0x1cb/0x760
[  344.481944]  ? smp_reschedule_interrupt+0x109/0x650
[  344.486958]  ? smp_call_function_single_interrupt+0x650/0x650
[  344.492835]  ? interrupt_entry+0xb5/0xc0
[  344.496890]  ? trace_hardirqs_off_caller+0xbb/0x310
[  344.501900]  ? trace_hardirqs_off_caller+0xbb/0x310
[  344.506910]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  344.511767]  ? trace_hardirqs_on_caller+0x310/0x310
[  344.516775]  ? trace_hardirqs_on_caller+0x310/0x310
[  344.521787]  ? task_prio+0x50/0x50
[  344.525319]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.530850]  ? check_preemption_disabled+0x48/0x280
[  344.535862]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  344.540723]  apic_timer_interrupt+0xf/0x20
[  344.544943]  </IRQ>
[  344.547173] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  344.552099] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  344.570990] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  344.578814] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  344.586078] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  344.593338] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  344.600597] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  344.607861] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  344.615157]  skb_clone+0x1bb/0x500
[  344.618691]  ? finish_task_switch+0x2f4/0x910
[  344.623180]  ? skb_split+0x11e0/0x11e0
[  344.627066]  ? preempt_notifier_register+0x200/0x200
[  344.632164]  ? __switch_to_asm+0x34/0x70
[  344.636220]  ? __switch_to_asm+0x34/0x70
[  344.640275]  ? __switch_to_asm+0x40/0x70
[  344.644332]  ? __switch_to_asm+0x34/0x70
[  344.648391]  ? __switch_to_asm+0x40/0x70
[  344.652448]  ? __switch_to_asm+0x34/0x70
[  344.656512]  ? __switch_to_asm+0x40/0x70
[  344.660927]  ? __switch_to_asm+0x34/0x70
[  344.664998]  ? __switch_to_asm+0x34/0x70
[  344.669066]  ? __switch_to_asm+0x40/0x70
[  344.673119]  ? __switch_to_asm+0x34/0x70
[  344.677194]  bpf_clone_redirect+0xb9/0x490
[  344.681424]  ? __schedule+0x8d7/0x21d0
[  344.685311]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  344.690236]  ? __sched_text_start+0x8/0x8
[  344.694398]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  344.698972]  ? retint_kernel+0x2d/0x2d
[  344.702876]  ? trace_hardirqs_on_caller+0xc0/0x310
[  344.707817]  ? find_held_lock+0x36/0x1c0
[  344.711879]  ? lock_acquire+0x1ed/0x520
[  344.715859]  ? bpf_test_run+0x3cb/0x780
[  344.719827]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.725359]  ? check_preemption_disabled+0x48/0x280
[  344.730412]  ? kasan_check_read+0x11/0x20
[  344.734554]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  344.739838]  ? rcu_softirq_qs+0x20/0x20
[  344.743808]  ? preempt_schedule+0x4d/0x60
[  344.747953]  ? ___preempt_schedule+0x16/0x18
[  344.752366]  ? bpf_test_run+0x25d/0x780
[  344.756358]  ? netlink_diag_dump+0x2a0/0x2a0
[  344.760774]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  344.766303]  ? bpf_test_init.isra.10+0x70/0x100
[  344.770969]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  344.775726]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  344.780561]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  344.786093]  ? fput+0x130/0x1a0
[  344.789374]  ? __bpf_prog_get+0x9b/0x290
[  344.793440]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  344.798274]  ? bpf_prog_test_run+0x130/0x1a0
[  344.802678]  ? __x64_sys_bpf+0x3d8/0x520
[  344.806732]  ? bpf_prog_get+0x20/0x20
[  344.810555]  ? do_syscall_64+0x1b9/0x820
[  344.814608]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  344.819970]  ? syscall_return_slowpath+0x5e0/0x5e0
[  344.824895]  ? trace_hardirqs_on_caller+0x310/0x310
[  344.829912]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  344.834923]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  344.841586]  ? __switch_to_asm+0x40/0x70
[  344.845641]  ? __switch_to_asm+0x34/0x70
[  344.849703]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  344.854545]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  344.859919] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  344.859980] aoe: skb alloc failure
[  344.866765] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  344.866772] Call Trace:
[  344.870342] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  344.879636]  dump_stack+0x244/0x39d
[  344.882193] syz-executor4 cpuset=syz4 mems_allowed=0
[  344.892668]  ? dump_stack_print_info.cold.1+0x20/0x20
[  344.906548]  warn_alloc.cold.116+0xb7/0x1bd
[  344.910882]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  344.915722]  ? lock_downgrade+0x900/0x900
[  344.919871]  ? trace_hardirqs_off+0xb8/0x310
[  344.924283]  ? trace_hardirqs_off+0xb8/0x310
[  344.928712]  __alloc_pages_slowpath+0x26e8/0x2e10
[  344.933574]  ? warn_alloc+0x120/0x120
[  344.937389]  ? print_usage_bug+0xc0/0xc0
[  344.941444]  ? warn_alloc+0x120/0x120
[  344.945242]  ? warn_alloc+0x120/0x120
[  344.949059]  ? print_usage_bug+0xc0/0xc0
[  344.953122]  ? print_usage_bug+0xc0/0xc0
[  344.957189]  ? __lock_acquire+0x62f/0x4c20
[  344.961423]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  344.966958]  ? should_fail+0x22d/0xd01
[  344.970846]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  344.975948]  ? __lock_acquire+0x62f/0x4c20
[  344.980182]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  344.985392]  ? __lock_acquire+0x62f/0x4c20
[  344.989621]  ? should_fail+0x22d/0xd01
[  344.993524]  ? find_held_lock+0x36/0x1c0
[  344.997592]  ? mark_held_locks+0x130/0x130
[  345.001829]  ? mark_held_locks+0x130/0x130
[  345.006059]  ? zap_class+0x640/0x640
[  345.009775]  ? mark_held_locks+0xc7/0x130
[  345.013918]  ? do_raw_spin_unlock+0xa7/0x330
[  345.018322]  ? zap_class+0x640/0x640
[  345.022038]  ? print_usage_bug+0xc0/0xc0
[  345.026096]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.031630]  ? check_preemption_disabled+0x48/0x280
[  345.036649]  ? __lock_is_held+0xb5/0x140
[  345.040713]  __alloc_pages_nodemask+0xa80/0xde0
[  345.045380]  ? zap_class+0x640/0x640
[  345.049095]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  345.054117]  ? find_held_lock+0x36/0x1c0
[  345.058185]  ? ____cache_alloc_node+0x1c7/0x1e0
[  345.062853]  ? lock_downgrade+0x900/0x900
[  345.067008]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.072542]  cache_grow_begin+0xa5/0x8c0
[  345.076600]  ? do_raw_spin_unlock+0xa7/0x330
[  345.081011]  fallback_alloc+0x204/0x2e0
[  345.084985]  ____cache_alloc_node+0x1c7/0x1e0
[  345.089478]  kmem_cache_alloc_node+0xe3/0x730
[  345.093971]  ? ipv6_get_ifaddr+0x42e/0x620
[  345.098213]  __alloc_skb+0x119/0x770
[  345.101922]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  345.107195]  ? netdev_alloc_frag+0x1f0/0x1f0
[  345.111601]  ? lock_downgrade+0x900/0x900
[  345.115751]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.121281]  ? refcount_sub_and_test_checked+0x203/0x310
[  345.126728]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  345.132178]  ? addrconf_rs_timer+0x690/0x690
[  345.136590]  ndisc_alloc_skb+0x144/0x340
[  345.140647]  ndisc_send_rs+0x331/0x6e0
[  345.144533]  addrconf_rs_timer+0x314/0x690
[  345.148770]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  345.153014]  call_timer_fn+0x272/0x920
[  345.156896]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  345.161124]  ? process_timeout+0x40/0x40
[  345.165200]  ? __run_timers+0x7da/0xc70
[  345.169170]  ? _raw_spin_unlock_irq+0x27/0x80
[  345.173657]  ? _raw_spin_unlock_irq+0x27/0x80
[  345.178148]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  345.182382]  ? lockdep_hardirqs_on+0x296/0x5b0
[  345.187034]  ? trace_hardirqs_on+0xbd/0x310
[  345.191359]  ? kasan_check_read+0x11/0x20
[  345.195504]  ? __run_timers+0x7da/0xc70
[  345.199475]  ? trace_hardirqs_off_caller+0x310/0x310
[  345.204574]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  345.208807]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  345.213035]  __run_timers+0x7e5/0xc70
[  345.216843]  ? timer_fixup_init+0x70/0x70
[  345.220990]  ? _raw_spin_unlock_irq+0x27/0x80
[  345.225477]  ? _raw_spin_unlock_irq+0x27/0x80
[  345.229970]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  345.234553]  ? trace_hardirqs_on+0xbd/0x310
[  345.238871]  ? kasan_check_read+0x11/0x20
[  345.243017]  ? finish_task_switch+0x1f4/0x910
[  345.247515]  ? trace_hardirqs_off_caller+0x310/0x310
[  345.252709]  ? compat_start_thread+0x80/0x80
[  345.257218]  ? pvclock_read_flags+0x160/0x160
[  345.261705]  ? __switch_to_asm+0x34/0x70
[  345.265764]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.271299]  ? check_preemption_disabled+0x48/0x280
[  345.276335]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  345.281876]  ? rcu_pm_notify+0xc0/0xc0
[  345.285763]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.291298]  ? check_preemption_disabled+0x48/0x280
[  345.296318]  run_timer_softirq+0x52/0xb0
[  345.300386]  ? rcu_read_lock_sched_held+0x14f/0x180
[  345.305400]  __do_softirq+0x308/0xb7e
[  345.309208]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  345.314305]  ? trace_hardirqs_off+0xb8/0x310
[  345.318714]  ? rcu_irq_enter+0x18c/0x310
[  345.322795]  ? schedule+0x108/0x460
[  345.326421]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  345.331182]  ? trace_hardirqs_off+0xb8/0x310
[  345.335600]  ? smpboot_thread_fn+0x68b/0xa00
[  345.340005]  ? trace_hardirqs_on+0x310/0x310
[  345.344423]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  345.350074]  ? check_preemption_disabled+0x48/0x280
[  345.355087]  ? takeover_tasklets+0xa90/0xa90
[  345.359502]  run_ksoftirqd+0x5e/0x100
[  345.363298]  smpboot_thread_fn+0x68b/0xa00
[  345.367538]  ? sort_range+0x30/0x30
[  345.371159]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  345.376261]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  345.381792]  ? __kthread_parkme+0xfb/0x1a0
[  345.386022]  ? sort_range+0x30/0x30
[  345.389642]  kthread+0x35a/0x440
[  345.393003]  ? kthread_stop+0x900/0x900
[  345.396975]  ret_from_fork+0x3a/0x50
[  345.400699] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  345.400704] warn_alloc_show_mem: 1 callbacks suppressed
[  345.400710] Mem-Info:
[  345.407980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  345.413346] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  345.413346]  active_file:16 inactive_file:14 isolated_file:0
[  345.413346]  unevictable:0 dirty:0 writeback:0 unstable:0
[  345.413346]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  345.413346]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  345.413346]  free:13767 free_pcp:490 free_cma:0
[  345.415718] Call Trace:
[  345.425090] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  345.458124]  <IRQ>
[  345.460687] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  345.488354]  dump_stack+0x244/0x39d
[  345.490474] lowmem_reserve[]: 0 2818 6321 6321
[  345.516579]  ? dump_stack_print_info.cold.1+0x20/0x20
[  345.520183] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  345.524760]  warn_alloc.cold.116+0xb7/0x1bd
[  345.529910] lowmem_reserve[]: 0 0 3503 3503
[  345.557395]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  345.561695] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  345.566025]  ? lock_downgrade+0x900/0x900
[  345.570841] lowmem_reserve[]: 0 0 0 0
[  345.599978]  ? trace_hardirqs_off+0xb8/0x310
[  345.604092] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  345.607886]  ? trace_hardirqs_off+0xb8/0x310
[  345.612255] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  345.625778]  __alloc_pages_slowpath+0x26e8/0x2e10
[  345.630158] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  345.645515]  ? warn_alloc+0x120/0x120
[  345.650319] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  345.665391]  ? warn_alloc+0x120/0x120
[  345.669169] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  345.678000]  ? warn_alloc+0x120/0x120
[  345.681779] 1997 total pagecache pages
[  345.690352]  ? print_usage_bug+0xc0/0xc0
[  345.694127] 0 pages in swap cache
[  345.697998]  ? print_usage_bug+0xc0/0xc0
[  345.702034] Swap cache stats: add 0, delete 0, find 0/0
[  345.705469]  ? ktime_get+0x2c1/0x400
[  345.709500] Free swap  = 0kB
[  345.714855]  ? check_preemption_disabled+0x48/0x280
[  345.718540] Total swap = 0kB
[  345.721545]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  345.726533] 1965979 pages RAM
[  345.729538]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  345.734001] 0 pages HighMem/MovableOnly
[  345.737092]  ? should_fail+0x22d/0xd01
[  345.742600] 342853 pages reserved
[  345.746563]  ? kasan_check_read+0x11/0x20
[  345.750418] 0 pages cma reserved
[  345.753859]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  345.758038] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  345.761350]  ? __lock_acquire+0x62f/0x4c20
[  345.761365]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  345.761380]  ? should_fail+0x22d/0xd01
[  345.766508] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  345.772938]  ? print_usage_bug+0xc0/0xc0
[  345.777144] ksoftirqd/1 cpuset=/ mems_allowed=0
[  345.782241]  ? mark_held_locks+0x130/0x130
[  345.809328]  ? mark_held_locks+0x130/0x130
[  345.813557]  ? check_preemption_disabled+0x48/0x280
[  345.818574]  ? zap_class+0x640/0x640
[  345.822282]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  345.827045]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.832575]  ? check_preemption_disabled+0x48/0x280
[  345.837593]  ? __lock_is_held+0xb5/0x140
[  345.841652]  __alloc_pages_nodemask+0xa80/0xde0
[  345.846323]  ? zap_class+0x640/0x640
[  345.850036]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  345.855054]  ? find_held_lock+0x36/0x1c0
[  345.859116]  ? ____cache_alloc_node+0x1c7/0x1e0
[  345.863782]  ? lock_downgrade+0x900/0x900
[  345.867950]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.873487]  cache_grow_begin+0xa5/0x8c0
[  345.877550]  ? do_raw_spin_unlock+0xa7/0x330
[  345.881961]  fallback_alloc+0x204/0x2e0
[  345.885932]  ____cache_alloc_node+0x1c7/0x1e0
[  345.890423]  kmem_cache_alloc_node+0xe3/0x730
[  345.894913]  ? lockdep_hardirqs_on+0x296/0x5b0
[  345.899529]  __alloc_skb+0x119/0x770
[  345.903233]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  345.908594]  ? netdev_alloc_frag+0x1f0/0x1f0
[  345.913003]  ? vprintk_default+0x28/0x30
[  345.917065]  ? vprintk_func+0x85/0x181
[  345.920945]  ? printk+0xa7/0xcf
[  345.924315]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  345.929064]  ? do_raw_spin_trylock+0x270/0x270
[  345.933643]  new_skb+0x26/0x1c0
[  345.936933]  aoecmd_cfg+0x279/0x7f0
[  345.940559]  ? find_held_lock+0x36/0x1c0
[  345.944615]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  345.948938]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.954490]  ? __lock_is_held+0xb5/0x140
[  345.958556]  discover_timer+0x50/0x60
[  345.962349]  call_timer_fn+0x272/0x920
[  345.966228]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  345.971068]  ? process_timeout+0x40/0x40
[  345.975130]  ? __run_timers+0x7da/0xc70
[  345.979631]  ? _raw_spin_unlock_irq+0x27/0x80
[  345.984218]  ? _raw_spin_unlock_irq+0x27/0x80
[  345.988708]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  345.993546]  ? lockdep_hardirqs_on+0x296/0x5b0
[  345.998122]  ? trace_hardirqs_on+0xbd/0x310
[  346.002435]  ? kasan_check_read+0x11/0x20
[  346.006578]  ? __run_timers+0x7da/0xc70
[  346.010565]  ? trace_hardirqs_off_caller+0x310/0x310
[  346.015676]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  346.020513]  __run_timers+0x7e5/0xc70
[  346.024433]  ? timer_fixup_init+0x70/0x70
[  346.028589]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  346.033600]  ? zap_class+0x640/0x640
[  346.037321]  ? enqueue_hrtimer+0x1a5/0x560
[  346.041554]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  346.046741]  ? find_held_lock+0x36/0x1c0
[  346.050797]  ? zap_class+0x640/0x640
[  346.054511]  ? pvclock_read_flags+0x160/0x160
[  346.059002]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.064534]  ? check_preemption_disabled+0x48/0x280
[  346.069552]  ? __lock_is_held+0xb5/0x140
[  346.073607]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.079141]  ? check_preemption_disabled+0x48/0x280
[  346.084154]  run_timer_softirq+0x52/0xb0
[  346.088225]  ? rcu_read_lock_sched_held+0x14f/0x180
[  346.093246]  __do_softirq+0x308/0xb7e
[  346.097048]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  346.101535]  ? lock_downgrade+0x900/0x900
[  346.105694]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  346.110796]  ? pvclock_read_flags+0x160/0x160
[  346.115298]  ? lapic_next_event+0x5a/0x90
[  346.119441]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.124976]  ? kvm_clock_read+0x18/0x30
[  346.128944]  ? kvm_sched_clock_read+0x9/0x20
[  346.133349]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.138884]  ? check_preemption_disabled+0x48/0x280
[  346.143904]  irq_exit+0x17f/0x1c0
[  346.147562]  smp_apic_timer_interrupt+0x1cb/0x760
[  346.152402]  ? smp_reschedule_interrupt+0x109/0x650
[  346.157417]  ? smp_call_function_single_interrupt+0x650/0x650
[  346.163298]  ? interrupt_entry+0xb5/0xc0
[  346.167360]  ? trace_hardirqs_off_caller+0xbb/0x310
[  346.172373]  ? trace_hardirqs_off_caller+0xbb/0x310
[  346.177387]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  346.182223]  ? trace_hardirqs_on_caller+0x310/0x310
[  346.187232]  ? trace_hardirqs_on_caller+0x310/0x310
[  346.192247]  ? task_prio+0x50/0x50
[  346.195792]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.201326]  ? check_preemption_disabled+0x48/0x280
[  346.206341]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  346.211180]  apic_timer_interrupt+0xf/0x20
[  346.215398]  </IRQ>
[  346.217635] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  346.222565] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  346.241464] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  346.249170] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  346.256434] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  346.263694] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  346.270956] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  346.278216] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  346.285532]  skb_clone+0x1bb/0x500
[  346.289066]  ? finish_task_switch+0x2f4/0x910
[  346.293558]  ? skb_split+0x11e0/0x11e0
[  346.297443]  ? preempt_notifier_register+0x200/0x200
[  346.302536]  ? __switch_to_asm+0x34/0x70
[  346.306589]  ? __switch_to_asm+0x34/0x70
[  346.310658]  ? __switch_to_asm+0x40/0x70
[  346.314713]  ? __switch_to_asm+0x34/0x70
[  346.318769]  ? __switch_to_asm+0x40/0x70
[  346.322830]  ? __switch_to_asm+0x34/0x70
[  346.326888]  ? __switch_to_asm+0x40/0x70
[  346.330940]  ? __switch_to_asm+0x34/0x70
[  346.334996]  ? __switch_to_asm+0x34/0x70
[  346.339051]  ? __switch_to_asm+0x40/0x70
[  346.343103]  ? __switch_to_asm+0x34/0x70
[  346.347163]  bpf_clone_redirect+0xb9/0x490
[  346.351401]  ? __schedule+0x8d7/0x21d0
[  346.355292]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  346.360222]  ? __sched_text_start+0x8/0x8
[  346.364375]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  346.368953]  ? retint_kernel+0x2d/0x2d
[  346.372835]  ? trace_hardirqs_on_caller+0xc0/0x310
[  346.377763]  ? find_held_lock+0x36/0x1c0
[  346.381825]  ? lock_acquire+0x1ed/0x520
[  346.385795]  ? bpf_test_run+0x3cb/0x780
[  346.389779]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.395313]  ? check_preemption_disabled+0x48/0x280
[  346.400328]  ? kasan_check_read+0x11/0x20
[  346.404468]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  346.409737]  ? rcu_softirq_qs+0x20/0x20
[  346.413803]  ? preempt_schedule+0x4d/0x60
[  346.417946]  ? ___preempt_schedule+0x16/0x18
[  346.422360]  ? bpf_test_run+0x25d/0x780
[  346.426340]  ? netlink_diag_dump+0x2a0/0x2a0
[  346.430767]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  346.436395]  ? bpf_test_init.isra.10+0x70/0x100
[  346.441062]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  346.445823]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  346.450664]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  346.456193]  ? fput+0x130/0x1a0
[  346.459469]  ? __bpf_prog_get+0x9b/0x290
[  346.463530]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  346.468380]  ? bpf_prog_test_run+0x130/0x1a0
[  346.472784]  ? __x64_sys_bpf+0x3d8/0x520
[  346.476842]  ? bpf_prog_get+0x20/0x20
[  346.480659]  ? do_syscall_64+0x1b9/0x820
[  346.484712]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  346.490085]  ? syscall_return_slowpath+0x5e0/0x5e0
[  346.495014]  ? trace_hardirqs_on_caller+0x310/0x310
[  346.500024]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  346.505040]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  346.511702]  ? __switch_to_asm+0x40/0x70
[  346.515753]  ? __switch_to_asm+0x34/0x70
[  346.519818]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  346.524661]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  346.530035] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  346.530095] aoe: skb alloc failure
[  346.536879] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  346.536886] Call Trace:
[  346.540481] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  346.550201]  dump_stack+0x244/0x39d
[  346.552754] syz-executor4 cpuset=syz4 mems_allowed=0
[  346.563242]  ? dump_stack_print_info.cold.1+0x20/0x20
[  346.577120]  warn_alloc.cold.116+0xb7/0x1bd
[  346.581455]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  346.586297]  ? lock_downgrade+0x900/0x900
[  346.590448]  ? trace_hardirqs_off+0xb8/0x310
[  346.594855]  ? trace_hardirqs_off+0xb8/0x310
[  346.599277]  __alloc_pages_slowpath+0x26e8/0x2e10
[  346.604143]  ? warn_alloc+0x120/0x120
[  346.607944]  ? print_usage_bug+0xc0/0xc0
[  346.612005]  ? warn_alloc+0x120/0x120
[  346.615805]  ? warn_alloc+0x120/0x120
[  346.619601]  ? print_usage_bug+0xc0/0xc0
[  346.623663]  ? print_usage_bug+0xc0/0xc0
[  346.627720]  ? __lock_acquire+0x62f/0x4c20
[  346.631959]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  346.637490]  ? should_fail+0x22d/0xd01
[  346.641377]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  346.646471]  ? __lock_acquire+0x62f/0x4c20
[  346.651136]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  346.656238]  ? __lock_acquire+0x62f/0x4c20
[  346.660463]  ? should_fail+0x22d/0xd01
[  346.664352]  ? find_held_lock+0x36/0x1c0
[  346.668414]  ? mark_held_locks+0x130/0x130
[  346.672649]  ? mark_held_locks+0x130/0x130
[  346.676874]  ? zap_class+0x640/0x640
[  346.680581]  ? zap_class+0x640/0x640
[  346.684291]  ? print_usage_bug+0xc0/0xc0
[  346.688343]  ? do_raw_spin_unlock+0xa7/0x330
[  346.692768]  ? zap_class+0x640/0x640
[  346.696485]  ? print_usage_bug+0xc0/0xc0
[  346.700541]  ? wq_watchdog_touch+0x9c/0xfe
[  346.704777]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.710313]  ? check_preemption_disabled+0x48/0x280
[  346.715333]  ? __lock_is_held+0xb5/0x140
[  346.719392]  __alloc_pages_nodemask+0xa80/0xde0
[  346.724143]  ? zap_class+0x640/0x640
[  346.727855]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  346.732876]  ? find_held_lock+0x36/0x1c0
[  346.736939]  ? ____cache_alloc_node+0x1c7/0x1e0
[  346.741602]  ? lock_downgrade+0x900/0x900
[  346.745755]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.751295]  cache_grow_begin+0xa5/0x8c0
[  346.755352]  ? do_raw_spin_unlock+0xa7/0x330
[  346.759767]  fallback_alloc+0x204/0x2e0
[  346.763772]  ____cache_alloc_node+0x1c7/0x1e0
[  346.768269]  kmem_cache_alloc_node+0xe3/0x730
[  346.772761]  ? ipv6_get_ifaddr+0x42e/0x620
[  346.776999]  __alloc_skb+0x119/0x770
[  346.780706]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  346.785982]  ? netdev_alloc_frag+0x1f0/0x1f0
[  346.790387]  ? lock_downgrade+0x900/0x900
[  346.794537]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.800067]  ? refcount_sub_and_test_checked+0x203/0x310
[  346.805519]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  346.811660]  ? addrconf_rs_timer+0x690/0x690
[  346.816072]  ndisc_alloc_skb+0x144/0x340
[  346.820131]  ndisc_send_rs+0x331/0x6e0
[  346.824018]  addrconf_rs_timer+0x314/0x690
[  346.828270]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  346.832637]  call_timer_fn+0x272/0x920
[  346.836521]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  346.840752]  ? process_timeout+0x40/0x40
[  346.844823]  ? __run_timers+0x7da/0xc70
[  346.848794]  ? _raw_spin_unlock_irq+0x27/0x80
[  346.853281]  ? _raw_spin_unlock_irq+0x27/0x80
[  346.857774]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  346.862002]  ? lockdep_hardirqs_on+0x296/0x5b0
[  346.866581]  ? trace_hardirqs_on+0xbd/0x310
[  346.870896]  ? kasan_check_read+0x11/0x20
[  346.875034]  ? __run_timers+0x7da/0xc70
[  346.879000]  ? trace_hardirqs_off_caller+0x310/0x310
[  346.884105]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  346.888340]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  346.892567]  __run_timers+0x7e5/0xc70
[  346.896373]  ? timer_fixup_init+0x70/0x70
[  346.900518]  ? _raw_spin_unlock_irq+0x27/0x80
[  346.905004]  ? _raw_spin_unlock_irq+0x27/0x80
[  346.909498]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  346.914076]  ? trace_hardirqs_on+0xbd/0x310
[  346.918391]  ? kasan_check_read+0x11/0x20
[  346.922538]  ? finish_task_switch+0x1f4/0x910
[  346.927028]  ? trace_hardirqs_off_caller+0x310/0x310
[  346.932127]  ? compat_start_thread+0x80/0x80
[  346.936554]  ? pvclock_read_flags+0x160/0x160
[  346.941049]  ? __switch_to_asm+0x34/0x70
[  346.945111]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.950647]  ? check_preemption_disabled+0x48/0x280
[  346.955669]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  346.961208]  ? rcu_pm_notify+0xc0/0xc0
[  346.965097]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.970630]  ? check_preemption_disabled+0x48/0x280
[  346.975643]  run_timer_softirq+0x52/0xb0
[  346.979700]  ? rcu_read_lock_sched_held+0x14f/0x180
[  346.984726]  __do_softirq+0x308/0xb7e
[  346.988532]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  346.993627]  ? trace_hardirqs_off+0xb8/0x310
[  346.998032]  ? rcu_irq_enter+0x18c/0x310
[  347.002093]  ? schedule+0x108/0x460
[  347.005720]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  347.010496]  ? trace_hardirqs_off+0xb8/0x310
[  347.014897]  ? smpboot_thread_fn+0x68b/0xa00
[  347.019298]  ? trace_hardirqs_on+0x310/0x310
[  347.023701]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  347.029238]  ? check_preemption_disabled+0x48/0x280
[  347.034249]  ? takeover_tasklets+0xa90/0xa90
[  347.038667]  run_ksoftirqd+0x5e/0x100
[  347.042466]  smpboot_thread_fn+0x68b/0xa00
[  347.046702]  ? sort_range+0x30/0x30
[  347.050326]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  347.055437]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  347.060974]  ? __kthread_parkme+0xfb/0x1a0
[  347.065212]  ? sort_range+0x30/0x30
[  347.068834]  kthread+0x35a/0x440
[  347.072202]  ? kthread_stop+0x900/0x900
[  347.076173]  ret_from_fork+0x3a/0x50
[  347.079913] warn_alloc_show_mem: 1 callbacks suppressed
[  347.079922] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  347.079924] Mem-Info:
[  347.079953] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  347.079953]  active_file:16 inactive_file:14 isolated_file:0
[  347.079953]  unevictable:0 dirty:0 writeback:0 unstable:0
[  347.079953]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  347.079953]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  347.079953]  free:13767 free_pcp:490 free_cma:0
[  347.085288] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  347.092560] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  347.094947] Call Trace:
[  347.127979] 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
[  347.137316]  <IRQ>
[  347.164974] lowmem_reserve[]: 0 2818 6321 6321
[  347.167552]  dump_stack+0x244/0x39d
[  347.193627] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  347.195770]  ? dump_stack_print_info.cold.1+0x20/0x20
[  347.200319] lowmem_reserve[]: 0 0 3503 3503
[  347.203944]  warn_alloc.cold.116+0xb7/0x1bd
[  347.231405] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  347.236582]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  347.240888] lowmem_reserve[]: 0 0 0 0
[  347.245208]  ? lock_downgrade+0x900/0x900
[  347.274321] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  347.279167]  ? trace_hardirqs_off+0xb8/0x310
[  347.282940] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  347.287080]  ? trace_hardirqs_off+0xb8/0x310
[  347.300571] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  347.304971]  __alloc_pages_slowpath+0x26e8/0x2e10
[  347.320287] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  347.324702]  ? warn_alloc+0x120/0x120
[  347.339749] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  347.344574]  ? warn_alloc+0x120/0x120
[  347.353464] 1997 total pagecache pages
[  347.357249]  ? warn_alloc+0x120/0x120
[  347.365799] 0 pages in swap cache
[  347.369585]  ? print_usage_bug+0xc0/0xc0
[  347.373449] Swap cache stats: add 0, delete 0, find 0/0
[  347.377234]  ? print_usage_bug+0xc0/0xc0
[  347.380661] Free swap  = 0kB
[  347.384708]  ? ktime_get+0x2c1/0x400
[  347.390040] Total swap = 0kB
[  347.394090]  ? check_preemption_disabled+0x48/0x280
[  347.397082] 1965979 pages RAM
[  347.400777]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  347.403762] 0 pages HighMem/MovableOnly
[  347.403769] 342853 pages reserved
[  347.408771]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  347.411849] 0 pages cma reserved
[  347.416328]  ? should_fail+0x22d/0xd01
[  347.420368] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  347.423736]  ? kasan_check_read+0x11/0x20
[  347.429396] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  347.432599]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  347.436455] ksoftirqd/1 cpuset=/ mems_allowed=0
[  347.442969]  ? __lock_acquire+0x62f/0x4c20
[  347.471342]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  347.476439]  ? should_fail+0x22d/0xd01
[  347.480322]  ? print_usage_bug+0xc0/0xc0
[  347.484385]  ? mark_held_locks+0x130/0x130
[  347.488614]  ? mark_held_locks+0x130/0x130
[  347.492842]  ? check_preemption_disabled+0x48/0x280
[  347.497887]  ? zap_class+0x640/0x640
[  347.501602]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  347.506353]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.511883]  ? check_preemption_disabled+0x48/0x280
[  347.516909]  ? __lock_is_held+0xb5/0x140
[  347.520969]  __alloc_pages_nodemask+0xa80/0xde0
[  347.525633]  ? zap_class+0x640/0x640
[  347.529345]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  347.534363]  ? find_held_lock+0x36/0x1c0
[  347.538425]  ? ____cache_alloc_node+0x1c7/0x1e0
[  347.543092]  ? lock_downgrade+0x900/0x900
[  347.547245]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.552779]  cache_grow_begin+0xa5/0x8c0
[  347.556831]  ? do_raw_spin_unlock+0xa7/0x330
[  347.561239]  fallback_alloc+0x204/0x2e0
[  347.565214]  ____cache_alloc_node+0x1c7/0x1e0
[  347.569711]  kmem_cache_alloc_node+0xe3/0x730
[  347.574204]  ? lockdep_hardirqs_on+0x296/0x5b0
[  347.578787]  __alloc_skb+0x119/0x770
[  347.582492]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  347.587855]  ? netdev_alloc_frag+0x1f0/0x1f0
[  347.592278]  ? vprintk_default+0x28/0x30
[  347.596331]  ? vprintk_func+0x85/0x181
[  347.600211]  ? printk+0xa7/0xcf
[  347.603485]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  347.608239]  ? do_raw_spin_trylock+0x270/0x270
[  347.612817]  new_skb+0x26/0x1c0
[  347.616090]  aoecmd_cfg+0x279/0x7f0
[  347.619713]  ? find_held_lock+0x36/0x1c0
[  347.623771]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  347.628096]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.633638]  ? __lock_is_held+0xb5/0x140
[  347.637706]  discover_timer+0x50/0x60
[  347.641498]  call_timer_fn+0x272/0x920
[  347.645379]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  347.650216]  ? process_timeout+0x40/0x40
[  347.654277]  ? __run_timers+0x7da/0xc70
[  347.658248]  ? _raw_spin_unlock_irq+0x27/0x80
[  347.662746]  ? _raw_spin_unlock_irq+0x27/0x80
[  347.667235]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  347.672068]  ? lockdep_hardirqs_on+0x296/0x5b0
[  347.676648]  ? trace_hardirqs_on+0xbd/0x310
[  347.680963]  ? kasan_check_read+0x11/0x20
[  347.685102]  ? __run_timers+0x7da/0xc70
[  347.689090]  ? trace_hardirqs_off_caller+0x310/0x310
[  347.694206]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  347.699040]  __run_timers+0x7e5/0xc70
[  347.702840]  ? timer_fixup_init+0x70/0x70
[  347.706992]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  347.712018]  ? zap_class+0x640/0x640
[  347.715729]  ? enqueue_hrtimer+0x1a5/0x560
[  347.719961]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  347.725156]  ? find_held_lock+0x36/0x1c0
[  347.729220]  ? zap_class+0x640/0x640
[  347.732947]  ? pvclock_read_flags+0x160/0x160
[  347.737437]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.742967]  ? check_preemption_disabled+0x48/0x280
[  347.747988]  ? __lock_is_held+0xb5/0x140
[  347.752049]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.757600]  ? check_preemption_disabled+0x48/0x280
[  347.762628]  run_timer_softirq+0x52/0xb0
[  347.766688]  ? rcu_read_lock_sched_held+0x14f/0x180
[  347.771704]  __do_softirq+0x308/0xb7e
[  347.775503]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  347.779994]  ? lock_downgrade+0x900/0x900
[  347.784143]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  347.789247]  ? pvclock_read_flags+0x160/0x160
[  347.793738]  ? lapic_next_event+0x5a/0x90
[  347.797880]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.803430]  ? kvm_clock_read+0x18/0x30
[  347.807504]  ? kvm_sched_clock_read+0x9/0x20
[  347.811916]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.817451]  ? check_preemption_disabled+0x48/0x280
[  347.822470]  irq_exit+0x17f/0x1c0
[  347.825920]  smp_apic_timer_interrupt+0x1cb/0x760
[  347.830756]  ? smp_reschedule_interrupt+0x109/0x650
[  347.835768]  ? smp_call_function_single_interrupt+0x650/0x650
[  347.841645]  ? interrupt_entry+0xb5/0xc0
[  347.845704]  ? trace_hardirqs_off_caller+0xbb/0x310
[  347.850714]  ? trace_hardirqs_off_caller+0xbb/0x310
[  347.855726]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  347.860566]  ? trace_hardirqs_on_caller+0x310/0x310
[  347.865574]  ? trace_hardirqs_on_caller+0x310/0x310
[  347.870583]  ? task_prio+0x50/0x50
[  347.874119]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.879658]  ? check_preemption_disabled+0x48/0x280
[  347.884669]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  347.889510]  apic_timer_interrupt+0xf/0x20
[  347.893729]  </IRQ>
[  347.895959] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  347.900879] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  347.919786] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  347.927570] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  347.934830] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  347.942089] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  347.949350] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  347.956613] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  347.963918]  skb_clone+0x1bb/0x500
[  347.967457]  ? finish_task_switch+0x2f4/0x910
[  347.971961]  ? skb_split+0x11e0/0x11e0
[  347.975839]  ? preempt_notifier_register+0x200/0x200
[  347.981468]  ? __switch_to_asm+0x34/0x70
[  347.985526]  ? __switch_to_asm+0x34/0x70
[  347.989577]  ? __switch_to_asm+0x40/0x70
[  347.993632]  ? __switch_to_asm+0x34/0x70
[  347.997683]  ? __switch_to_asm+0x40/0x70
[  348.001735]  ? __switch_to_asm+0x34/0x70
[  348.005788]  ? __switch_to_asm+0x40/0x70
[  348.009841]  ? __switch_to_asm+0x34/0x70
[  348.013898]  ? __switch_to_asm+0x34/0x70
[  348.017951]  ? __switch_to_asm+0x40/0x70
[  348.022002]  ? __switch_to_asm+0x34/0x70
[  348.026061]  bpf_clone_redirect+0xb9/0x490
[  348.030301]  ? __schedule+0x8d7/0x21d0
[  348.034187]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  348.039114]  ? __sched_text_start+0x8/0x8
[  348.043270]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  348.047848]  ? retint_kernel+0x2d/0x2d
[  348.051729]  ? trace_hardirqs_on_caller+0xc0/0x310
[  348.056655]  ? find_held_lock+0x36/0x1c0
[  348.060745]  ? lock_acquire+0x1ed/0x520
[  348.064714]  ? bpf_test_run+0x3cb/0x780
[  348.068683]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.074230]  ? check_preemption_disabled+0x48/0x280
[  348.079248]  ? kasan_check_read+0x11/0x20
[  348.083391]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  348.088663]  ? rcu_softirq_qs+0x20/0x20
[  348.092632]  ? preempt_schedule+0x4d/0x60
[  348.096776]  ? ___preempt_schedule+0x16/0x18
[  348.101186]  ? bpf_test_run+0x25d/0x780
[  348.105171]  ? netlink_diag_dump+0x2a0/0x2a0
[  348.109594]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  348.115141]  ? bpf_test_init.isra.10+0x70/0x100
[  348.119807]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  348.124564]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  348.129405]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  348.134939]  ? fput+0x130/0x1a0
[  348.138215]  ? __bpf_prog_get+0x9b/0x290
[  348.142274]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  348.147353]  ? bpf_prog_test_run+0x130/0x1a0
[  348.151758]  ? __x64_sys_bpf+0x3d8/0x520
[  348.155810]  ? bpf_prog_get+0x20/0x20
[  348.159621]  ? do_syscall_64+0x1b9/0x820
[  348.163676]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  348.169036]  ? syscall_return_slowpath+0x5e0/0x5e0
[  348.173962]  ? trace_hardirqs_on_caller+0x310/0x310
[  348.178971]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  348.183981]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  348.190645]  ? __switch_to_asm+0x40/0x70
[  348.194701]  ? __switch_to_asm+0x34/0x70
[  348.198765]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  348.203607]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  348.208980] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  348.209040] aoe: skb alloc failure
[  348.215815] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  348.215822] Call Trace:
[  348.219396] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  348.228690]  dump_stack+0x244/0x39d
[  348.231245] syz-executor4 cpuset=syz4 mems_allowed=0
[  348.241719]  ? dump_stack_print_info.cold.1+0x20/0x20
[  348.255594]  warn_alloc.cold.116+0xb7/0x1bd
[  348.259909]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  348.264757]  ? lock_downgrade+0x900/0x900
[  348.268934]  ? trace_hardirqs_off+0xb8/0x310
[  348.273341]  ? trace_hardirqs_off+0xb8/0x310
[  348.277751]  __alloc_pages_slowpath+0x26e8/0x2e10
[  348.282614]  ? warn_alloc+0x120/0x120
[  348.286417]  ? print_usage_bug+0xc0/0xc0
[  348.290468]  ? warn_alloc+0x120/0x120
[  348.294262]  ? warn_alloc+0x120/0x120
[  348.298053]  ? print_usage_bug+0xc0/0xc0
[  348.302113]  ? print_usage_bug+0xc0/0xc0
[  348.306170]  ? print_usage_bug+0xc0/0xc0
[  348.310221]  ? __lock_acquire+0x62f/0x4c20
[  348.314472]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  348.320000]  ? should_fail+0x22d/0xd01
[  348.323880]  ? __lock_acquire+0x62f/0x4c20
[  348.328131]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  348.333232]  ? __lock_acquire+0x62f/0x4c20
[  348.337466]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  348.342561]  ? __lock_acquire+0x62f/0x4c20
[  348.346788]  ? should_fail+0x22d/0xd01
[  348.350766]  ? mark_held_locks+0x130/0x130
[  348.355000]  ? mark_held_locks+0x130/0x130
[  348.359224]  ? zap_class+0x640/0x640
[  348.362936]  ? mark_held_locks+0xc7/0x130
[  348.367075]  ? do_raw_spin_unlock+0xa7/0x330
[  348.371483]  ? zap_class+0x640/0x640
[  348.375189]  ? print_usage_bug+0xc0/0xc0
[  348.379247]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.384779]  ? check_preemption_disabled+0x48/0x280
[  348.389806]  ? __lock_is_held+0xb5/0x140
[  348.393864]  __alloc_pages_nodemask+0xa80/0xde0
[  348.398527]  ? zap_class+0x640/0x640
[  348.402238]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  348.407262]  ? find_held_lock+0x36/0x1c0
[  348.411329]  ? ____cache_alloc_node+0x1c7/0x1e0
[  348.415992]  ? lock_downgrade+0x900/0x900
[  348.420161]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.425698]  cache_grow_begin+0xa5/0x8c0
[  348.429753]  ? do_raw_spin_unlock+0xa7/0x330
[  348.434258]  fallback_alloc+0x204/0x2e0
[  348.438233]  ____cache_alloc_node+0x1c7/0x1e0
[  348.442726]  kmem_cache_alloc_node+0xe3/0x730
[  348.447213]  ? ipv6_get_ifaddr+0x42e/0x620
[  348.451454]  __alloc_skb+0x119/0x770
[  348.455160]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  348.460438]  ? netdev_alloc_frag+0x1f0/0x1f0
[  348.464844]  ? lock_downgrade+0x900/0x900
[  348.468996]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.474526]  ? refcount_sub_and_test_checked+0x203/0x310
[  348.479974]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  348.485421]  ? addrconf_rs_timer+0x690/0x690
[  348.489843]  ndisc_alloc_skb+0x144/0x340
[  348.493904]  ndisc_send_rs+0x331/0x6e0
[  348.497789]  addrconf_rs_timer+0x314/0x690
[  348.502022]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  348.506263]  call_timer_fn+0x272/0x920
[  348.510143]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  348.514371]  ? process_timeout+0x40/0x40
[  348.518434]  ? __run_timers+0x7da/0xc70
[  348.522406]  ? _raw_spin_unlock_irq+0x27/0x80
[  348.526890]  ? _raw_spin_unlock_irq+0x27/0x80
[  348.531376]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  348.535611]  ? lockdep_hardirqs_on+0x296/0x5b0
[  348.540195]  ? trace_hardirqs_on+0xbd/0x310
[  348.544512]  ? kasan_check_read+0x11/0x20
[  348.548682]  ? __run_timers+0x7da/0xc70
[  348.552651]  ? trace_hardirqs_off_caller+0x310/0x310
[  348.557756]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  348.561980]  __run_timers+0x7e5/0xc70
[  348.565781]  ? timer_fixup_init+0x70/0x70
[  348.569918]  ? _raw_spin_unlock_irq+0x27/0x80
[  348.574404]  ? _raw_spin_unlock_irq+0x27/0x80
[  348.578981]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  348.583648]  ? trace_hardirqs_on+0xbd/0x310
[  348.587959]  ? kasan_check_read+0x11/0x20
[  348.592106]  ? finish_task_switch+0x1f4/0x910
[  348.596623]  ? trace_hardirqs_off_caller+0x310/0x310
[  348.601749]  ? compat_start_thread+0x80/0x80
[  348.606177]  ? pvclock_read_flags+0x160/0x160
[  348.610663]  ? __switch_to_asm+0x34/0x70
[  348.614716]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.620247]  ? check_preemption_disabled+0x48/0x280
[  348.625265]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  348.630806]  ? rcu_pm_notify+0xc0/0xc0
[  348.634697]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.640226]  ? check_preemption_disabled+0x48/0x280
[  348.645240]  run_timer_softirq+0x52/0xb0
[  348.649291]  ? rcu_read_lock_sched_held+0x14f/0x180
[  348.654299]  __do_softirq+0x308/0xb7e
[  348.658107]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  348.663215]  ? trace_hardirqs_off+0xb8/0x310
[  348.667617]  ? rcu_irq_enter+0x18c/0x310
[  348.671680]  ? schedule+0x108/0x460
[  348.675317]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  348.680079]  ? trace_hardirqs_off+0xb8/0x310
[  348.684581]  ? smpboot_thread_fn+0x68b/0xa00
[  348.688991]  ? trace_hardirqs_on+0x310/0x310
[  348.693391]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  348.698925]  ? check_preemption_disabled+0x48/0x280
[  348.703944]  ? takeover_tasklets+0xa90/0xa90
[  348.708353]  run_ksoftirqd+0x5e/0x100
[  348.712149]  smpboot_thread_fn+0x68b/0xa00
[  348.716384]  ? sort_range+0x30/0x30
[  348.720004]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  348.725101]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  348.730634]  ? __kthread_parkme+0xfb/0x1a0
[  348.734867]  ? sort_range+0x30/0x30
[  348.738491]  kthread+0x35a/0x440
[  348.741857]  ? kthread_stop+0x900/0x900
[  348.745832]  ret_from_fork+0x3a/0x50
[  348.749550] warn_alloc_show_mem: 1 callbacks suppressed
[  348.749559] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  348.749561] Mem-Info:
[  348.749594] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  348.749594]  active_file:16 inactive_file:14 isolated_file:0
[  348.749594]  unevictable:0 dirty:0 writeback:0 unstable:0
[  348.749594]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  348.749594]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  348.749594]  free:13767 free_pcp:490 free_cma:0
[  348.754930] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  348.754937] Call Trace:
[  348.762219] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  348.764613]  <IRQ>
[  348.797642] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  348.806994]  dump_stack+0x244/0x39d
[  348.809548] lowmem_reserve[]: 0 2818 6321 6321
[  348.837210]  ? dump_stack_print_info.cold.1+0x20/0x20
[  348.839343] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  348.865534]  warn_alloc.cold.116+0xb7/0x1bd
[  348.869142] lowmem_reserve[]: 0 0 3503 3503
[  348.873712]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  348.878957] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  348.906447]  ? lock_downgrade+0x900/0x900
[  348.910740] lowmem_reserve[]: 0 0 0 0
[  348.915062]  ? trace_hardirqs_off+0xb8/0x310
[  348.919886] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  348.949025]  ? trace_hardirqs_off+0xb8/0x310
[  348.953144] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  348.957021]  __alloc_pages_slowpath+0x26e8/0x2e10
[  348.961395] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  348.974929]  ? warn_alloc+0x120/0x120
[  348.979306] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  348.994632]  ? warn_alloc+0x120/0x120
[  348.999456] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  349.014554]  ? warn_alloc+0x120/0x120
[  349.018337] 1997 total pagecache pages
[  349.027156]  ? print_usage_bug+0xc0/0xc0
[  349.030946] 0 pages in swap cache
[  349.039499]  ? print_usage_bug+0xc0/0xc0
[  349.043271] Swap cache stats: add 0, delete 0, find 0/0
[  349.047137]  ? ktime_get+0x2c1/0x400
[  349.051169] Free swap  = 0kB
[  349.054612]  ? check_preemption_disabled+0x48/0x280
[  349.058639] Total swap = 0kB
[  349.058646] 1965979 pages RAM
[  349.063984]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  349.063999]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  349.067682] 0 pages HighMem/MovableOnly
[  349.070689]  ? should_fail+0x22d/0xd01
[  349.075668] 342853 pages reserved
[  349.075675] 0 pages cma reserved
[  349.078679]  ? kasan_check_read+0x11/0x20
[  349.081813] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  349.086239]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  349.091825] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  349.095718]  ? __lock_acquire+0x62f/0x4c20
[  349.099584] ksoftirqd/1 cpuset=/ mems_allowed=0
[  349.103024]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  349.146396]  ? should_fail+0x22d/0xd01
[  349.150279]  ? print_usage_bug+0xc0/0xc0
[  349.154343]  ? mark_held_locks+0x130/0x130
[  349.158573]  ? mark_held_locks+0x130/0x130
[  349.162801]  ? check_preemption_disabled+0x48/0x280
[  349.167820]  ? zap_class+0x640/0x640
[  349.171528]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  349.176278]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.181822]  ? check_preemption_disabled+0x48/0x280
[  349.186840]  ? __lock_is_held+0xb5/0x140
[  349.190916]  __alloc_pages_nodemask+0xa80/0xde0
[  349.195578]  ? zap_class+0x640/0x640
[  349.199287]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  349.204310]  ? find_held_lock+0x36/0x1c0
[  349.208373]  ? ____cache_alloc_node+0x1c7/0x1e0
[  349.213044]  ? lock_downgrade+0x900/0x900
[  349.217196]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.222732]  cache_grow_begin+0xa5/0x8c0
[  349.226801]  ? do_raw_spin_unlock+0xa7/0x330
[  349.231208]  fallback_alloc+0x204/0x2e0
[  349.235183]  ____cache_alloc_node+0x1c7/0x1e0
[  349.239677]  kmem_cache_alloc_node+0xe3/0x730
[  349.244168]  ? lockdep_hardirqs_on+0x296/0x5b0
[  349.248769]  __alloc_skb+0x119/0x770
[  349.252572]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  349.257946]  ? netdev_alloc_frag+0x1f0/0x1f0
[  349.262355]  ? vprintk_default+0x28/0x30
[  349.266429]  ? vprintk_func+0x85/0x181
[  349.270309]  ? printk+0xa7/0xcf
[  349.273582]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  349.278334]  ? do_raw_spin_trylock+0x270/0x270
[  349.282912]  new_skb+0x26/0x1c0
[  349.286188]  aoecmd_cfg+0x279/0x7f0
[  349.289805]  ? find_held_lock+0x36/0x1c0
[  349.293875]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  349.298210]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.303764]  ? __lock_is_held+0xb5/0x140
[  349.307826]  discover_timer+0x50/0x60
[  349.311618]  call_timer_fn+0x272/0x920
[  349.315496]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  349.320419]  ? process_timeout+0x40/0x40
[  349.324485]  ? __run_timers+0x7da/0xc70
[  349.328451]  ? _raw_spin_unlock_irq+0x27/0x80
[  349.332935]  ? _raw_spin_unlock_irq+0x27/0x80
[  349.337426]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  349.342264]  ? lockdep_hardirqs_on+0x296/0x5b0
[  349.346854]  ? trace_hardirqs_on+0xbd/0x310
[  349.351186]  ? kasan_check_read+0x11/0x20
[  349.355331]  ? __run_timers+0x7da/0xc70
[  349.359314]  ? trace_hardirqs_off_caller+0x310/0x310
[  349.364428]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  349.369263]  __run_timers+0x7e5/0xc70
[  349.373073]  ? timer_fixup_init+0x70/0x70
[  349.377220]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  349.382234]  ? zap_class+0x640/0x640
[  349.385946]  ? enqueue_hrtimer+0x1a5/0x560
[  349.390181]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  349.395386]  ? find_held_lock+0x36/0x1c0
[  349.399448]  ? zap_class+0x640/0x640
[  349.403160]  ? pvclock_read_flags+0x160/0x160
[  349.407649]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.413199]  ? check_preemption_disabled+0x48/0x280
[  349.418222]  ? __lock_is_held+0xb5/0x140
[  349.422278]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.427808]  ? check_preemption_disabled+0x48/0x280
[  349.432823]  run_timer_softirq+0x52/0xb0
[  349.436878]  ? rcu_read_lock_sched_held+0x14f/0x180
[  349.441889]  __do_softirq+0x308/0xb7e
[  349.445689]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  349.450176]  ? lock_downgrade+0x900/0x900
[  349.454322]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  349.459426]  ? pvclock_read_flags+0x160/0x160
[  349.463929]  ? lapic_next_event+0x5a/0x90
[  349.468075]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.473612]  ? kvm_clock_read+0x18/0x30
[  349.477581]  ? kvm_sched_clock_read+0x9/0x20
[  349.481989]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.487529]  ? check_preemption_disabled+0x48/0x280
[  349.492563]  irq_exit+0x17f/0x1c0
[  349.496020]  smp_apic_timer_interrupt+0x1cb/0x760
[  349.500855]  ? smp_reschedule_interrupt+0x109/0x650
[  349.505889]  ? smp_call_function_single_interrupt+0x650/0x650
[  349.511762]  ? interrupt_entry+0xb5/0xc0
[  349.515816]  ? trace_hardirqs_off_caller+0xbb/0x310
[  349.520928]  ? trace_hardirqs_off_caller+0xbb/0x310
[  349.525957]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  349.530798]  ? trace_hardirqs_on_caller+0x310/0x310
[  349.535893]  ? trace_hardirqs_on_caller+0x310/0x310
[  349.540911]  ? task_prio+0x50/0x50
[  349.544448]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.549979]  ? check_preemption_disabled+0x48/0x280
[  349.555000]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  349.559872]  apic_timer_interrupt+0xf/0x20
[  349.564101]  </IRQ>
[  349.566335] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  349.571271] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  349.590166] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  349.597865] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  349.605126] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  349.612387] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  349.619645] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  349.626904] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  349.634202]  skb_clone+0x1bb/0x500
[  349.637739]  ? finish_task_switch+0x2f4/0x910
[  349.642227]  ? skb_split+0x11e0/0x11e0
[  349.646112]  ? preempt_notifier_register+0x200/0x200
[  349.651210]  ? __switch_to_asm+0x34/0x70
[  349.655267]  ? __switch_to_asm+0x34/0x70
[  349.659320]  ? __switch_to_asm+0x40/0x70
[  349.663371]  ? __switch_to_asm+0x34/0x70
[  349.667426]  ? __switch_to_asm+0x40/0x70
[  349.671476]  ? __switch_to_asm+0x34/0x70
[  349.675527]  ? __switch_to_asm+0x40/0x70
[  349.679579]  ? __switch_to_asm+0x34/0x70
[  349.683630]  ? __switch_to_asm+0x34/0x70
[  349.687679]  ? __switch_to_asm+0x40/0x70
[  349.691730]  ? __switch_to_asm+0x34/0x70
[  349.695787]  bpf_clone_redirect+0xb9/0x490
[  349.700023]  ? __schedule+0x8d7/0x21d0
[  349.703909]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  349.708835]  ? __sched_text_start+0x8/0x8
[  349.712981]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  349.717563]  ? retint_kernel+0x2d/0x2d
[  349.721446]  ? trace_hardirqs_on_caller+0xc0/0x310
[  349.726384]  ? find_held_lock+0x36/0x1c0
[  349.730443]  ? lock_acquire+0x1ed/0x520
[  349.734409]  ? bpf_test_run+0x3cb/0x780
[  349.738375]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.743904]  ? check_preemption_disabled+0x48/0x280
[  349.748919]  ? kasan_check_read+0x11/0x20
[  349.753058]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  349.758347]  ? rcu_softirq_qs+0x20/0x20
[  349.762310]  ? preempt_schedule+0x4d/0x60
[  349.766449]  ? ___preempt_schedule+0x16/0x18
[  349.770872]  ? bpf_test_run+0x25d/0x780
[  349.774854]  ? netlink_diag_dump+0x2a0/0x2a0
[  349.779260]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  349.784793]  ? bpf_test_init.isra.10+0x70/0x100
[  349.789461]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  349.794222]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  349.799053]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  349.804581]  ? fput+0x130/0x1a0
[  349.807853]  ? __bpf_prog_get+0x9b/0x290
[  349.811911]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  349.816747]  ? bpf_prog_test_run+0x130/0x1a0
[  349.821152]  ? __x64_sys_bpf+0x3d8/0x520
[  349.825204]  ? bpf_prog_get+0x20/0x20
[  349.829020]  ? do_syscall_64+0x1b9/0x820
[  349.833073]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  349.838431]  ? syscall_return_slowpath+0x5e0/0x5e0
[  349.843363]  ? trace_hardirqs_on_caller+0x310/0x310
[  349.848375]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  349.853387]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  349.860046]  ? __switch_to_asm+0x40/0x70
[  349.864096]  ? __switch_to_asm+0x34/0x70
[  349.868156]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  349.873008]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  349.878385] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  349.878445] aoe: skb alloc failure
[  349.885223] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  349.885227] Call Trace:
[  349.885244]  dump_stack+0x244/0x39d
[  349.885262]  ? dump_stack_print_info.cold.1+0x20/0x20
[  349.888819] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  349.898128]  warn_alloc.cold.116+0xb7/0x1bd
[  349.900676] syz-executor4 cpuset=syz4 mems_allowed=0
[  349.904291]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  349.939364]  ? lock_downgrade+0x900/0x900
[  349.943519]  ? trace_hardirqs_off+0xb8/0x310
[  349.947926]  ? trace_hardirqs_off+0xb8/0x310
[  349.952337]  __alloc_pages_slowpath+0x26e8/0x2e10
[  349.957202]  ? warn_alloc+0x120/0x120
[  349.961009]  ? print_usage_bug+0xc0/0xc0
[  349.965068]  ? warn_alloc+0x120/0x120
[  349.968902]  ? warn_alloc+0x120/0x120
[  349.972695]  ? print_usage_bug+0xc0/0xc0
[  349.977026]  ? print_usage_bug+0xc0/0xc0
[  349.981085]  ? __lock_acquire+0x62f/0x4c20
[  349.985321]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  349.990854]  ? should_fail+0x22d/0xd01
[  349.994742]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  349.999840]  ? __lock_acquire+0x62f/0x4c20
[  350.004068]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  350.009163]  ? __lock_acquire+0x62f/0x4c20
[  350.013393]  ? should_fail+0x22d/0xd01
[  350.017280]  ? find_held_lock+0x36/0x1c0
[  350.021345]  ? mark_held_locks+0x130/0x130
[  350.025600]  ? mark_held_locks+0x130/0x130
[  350.029825]  ? zap_class+0x640/0x640
[  350.033536]  ? mark_held_locks+0xc7/0x130
[  350.037673]  ? do_raw_spin_unlock+0xa7/0x330
[  350.042078]  ? zap_class+0x640/0x640
[  350.045787]  ? print_usage_bug+0xc0/0xc0
[  350.049843]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.055369]  ? check_preemption_disabled+0x48/0x280
[  350.060384]  ? __lock_is_held+0xb5/0x140
[  350.064445]  __alloc_pages_nodemask+0xa80/0xde0
[  350.069106]  ? zap_class+0x640/0x640
[  350.072816]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  350.077830]  ? find_held_lock+0x36/0x1c0
[  350.081890]  ? ____cache_alloc_node+0x1c7/0x1e0
[  350.086555]  ? lock_downgrade+0x900/0x900
[  350.090704]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.096241]  cache_grow_begin+0xa5/0x8c0
[  350.100298]  ? do_raw_spin_unlock+0xa7/0x330
[  350.104710]  fallback_alloc+0x204/0x2e0
[  350.108684]  ____cache_alloc_node+0x1c7/0x1e0
[  350.113177]  kmem_cache_alloc_node+0xe3/0x730
[  350.117683]  ? ipv6_get_ifaddr+0x42e/0x620
[  350.121924]  __alloc_skb+0x119/0x770
[  350.125631]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  350.131000]  ? netdev_alloc_frag+0x1f0/0x1f0
[  350.135403]  ? lock_downgrade+0x900/0x900
[  350.139547]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.145603]  ? refcount_sub_and_test_checked+0x203/0x310
[  350.151052]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  350.156498]  ? addrconf_rs_timer+0x690/0x690
[  350.160932]  ndisc_alloc_skb+0x144/0x340
[  350.165008]  ndisc_send_rs+0x331/0x6e0
[  350.168925]  addrconf_rs_timer+0x314/0x690
[  350.173158]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  350.177398]  call_timer_fn+0x272/0x920
[  350.181280]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  350.185523]  ? process_timeout+0x40/0x40
[  350.189586]  ? __run_timers+0x7da/0xc70
[  350.193560]  ? _raw_spin_unlock_irq+0x27/0x80
[  350.198050]  ? _raw_spin_unlock_irq+0x27/0x80
[  350.202536]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  350.206771]  ? lockdep_hardirqs_on+0x296/0x5b0
[  350.211351]  ? trace_hardirqs_on+0xbd/0x310
[  350.215668]  ? kasan_check_read+0x11/0x20
[  350.219807]  ? __run_timers+0x7da/0xc70
[  350.223777]  ? trace_hardirqs_off_caller+0x310/0x310
[  350.228906]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  350.233162]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  350.237390]  __run_timers+0x7e5/0xc70
[  350.241194]  ? timer_fixup_init+0x70/0x70
[  350.245333]  ? _raw_spin_unlock_irq+0x27/0x80
[  350.250344]  ? _raw_spin_unlock_irq+0x27/0x80
[  350.254835]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  350.259434]  ? trace_hardirqs_on+0xbd/0x310
[  350.263761]  ? kasan_check_read+0x11/0x20
[  350.267907]  ? finish_task_switch+0x1f4/0x910
[  350.272401]  ? trace_hardirqs_off_caller+0x310/0x310
[  350.277497]  ? compat_start_thread+0x80/0x80
[  350.281955]  ? pvclock_read_flags+0x160/0x160
[  350.286443]  ? __switch_to_asm+0x34/0x70
[  350.290522]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.296053]  ? check_preemption_disabled+0x48/0x280
[  350.301071]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  350.306617]  ? rcu_pm_notify+0xc0/0xc0
[  350.310508]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.316048]  ? check_preemption_disabled+0x48/0x280
[  350.321066]  run_timer_softirq+0x52/0xb0
[  350.325136]  ? rcu_read_lock_sched_held+0x14f/0x180
[  350.330159]  __do_softirq+0x308/0xb7e
[  350.333978]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  350.339076]  ? trace_hardirqs_off+0xb8/0x310
[  350.343482]  ? rcu_irq_enter+0x18c/0x310
[  350.347544]  ? schedule+0x108/0x460
[  350.351170]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  350.355928]  ? trace_hardirqs_off+0xb8/0x310
[  350.360440]  ? smpboot_thread_fn+0x68b/0xa00
[  350.364847]  ? trace_hardirqs_on+0x310/0x310
[  350.369250]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  350.374784]  ? check_preemption_disabled+0x48/0x280
[  350.379797]  ? takeover_tasklets+0xa90/0xa90
[  350.384199]  run_ksoftirqd+0x5e/0x100
[  350.387995]  smpboot_thread_fn+0x68b/0xa00
[  350.392228]  ? sort_range+0x30/0x30
[  350.395849]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  350.400953]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  350.406493]  ? __kthread_parkme+0xfb/0x1a0
[  350.410723]  ? sort_range+0x30/0x30
[  350.414343]  kthread+0x35a/0x440
[  350.417704]  ? kthread_stop+0x900/0x900
[  350.421672]  ret_from_fork+0x3a/0x50
[  350.425393] warn_alloc_show_mem: 1 callbacks suppressed
[  350.425402] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  350.425403] Mem-Info:
[  350.425432] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  350.425432]  active_file:16 inactive_file:14 isolated_file:0
[  350.425432]  unevictable:0 dirty:0 writeback:0 unstable:0
[  350.425432]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  350.425432]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  350.425432]  free:13767 free_pcp:490 free_cma:0
[  350.430769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  350.430776] Call Trace:
[  350.438049] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  350.440438]  <IRQ>
[  350.473474] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  350.482946]  dump_stack+0x244/0x39d
[  350.485493] lowmem_reserve[]: 0 2818 6321 6321
[  350.513159]  ? dump_stack_print_info.cold.1+0x20/0x20
[  350.515283] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  350.541389]  warn_alloc.cold.116+0xb7/0x1bd
[  350.544982] lowmem_reserve[]: 0 0 3503 3503
[  350.549550]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  350.554819] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  350.582394]  ? lock_downgrade+0x900/0x900
[  350.586696] lowmem_reserve[]: 0 0 0 0
[  350.591014]  ? trace_hardirqs_off+0xb8/0x310
[  350.595826] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  350.624967]  ? trace_hardirqs_off+0xb8/0x310
[  350.629082] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  350.632879]  __alloc_pages_slowpath+0x26e8/0x2e10
[  350.637255] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  350.650788]  ? warn_alloc+0x120/0x120
[  350.655151] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  350.670493]  ? warn_alloc+0x120/0x120
[  350.675310] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  350.690390]  ? warn_alloc+0x120/0x120
[  350.694159] 1997 total pagecache pages
[  350.702980]  ? print_usage_bug+0xc0/0xc0
[  350.706756] 0 pages in swap cache
[  350.715312]  ? print_usage_bug+0xc0/0xc0
[  350.719087] Swap cache stats: add 0, delete 0, find 0/0
[  350.722959]  ? ktime_get+0x2c1/0x400
[  350.726989] Free swap  = 0kB
[  350.730430]  ? check_preemption_disabled+0x48/0x280
[  350.734464] Total swap = 0kB
[  350.739808]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  350.743492] 1965979 pages RAM
[  350.746513]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  350.751495] 0 pages HighMem/MovableOnly
[  350.754497]  ? should_fail+0x22d/0xd01
[  350.758960] 342853 pages reserved
[  350.762061]  ? kasan_check_read+0x11/0x20
[  350.767565] 0 pages cma reserved
[  350.771526]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  350.775474] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  350.778823]  ? __lock_acquire+0x62f/0x4c20
[  350.778839]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  350.778853]  ? should_fail+0x22d/0xd01
[  350.783022] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  350.786337]  ? print_usage_bug+0xc0/0xc0
[  350.791407] ksoftirqd/1 cpuset=/ mems_allowed=0
[  350.797889]  ? mark_held_locks+0x130/0x130
[  350.834245]  ? mark_held_locks+0x130/0x130
[  350.838472]  ? check_preemption_disabled+0x48/0x280
[  350.843492]  ? zap_class+0x640/0x640
[  350.847201]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  350.851953]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.857483]  ? check_preemption_disabled+0x48/0x280
[  350.862503]  ? __lock_is_held+0xb5/0x140
[  350.866561]  __alloc_pages_nodemask+0xa80/0xde0
[  350.871227]  ? zap_class+0x640/0x640
[  350.874944]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  350.879967]  ? find_held_lock+0x36/0x1c0
[  350.884031]  ? ____cache_alloc_node+0x1c7/0x1e0
[  350.888693]  ? lock_downgrade+0x900/0x900
[  350.892841]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.898374]  cache_grow_begin+0xa5/0x8c0
[  350.902431]  ? do_raw_spin_unlock+0xa7/0x330
[  350.906837]  fallback_alloc+0x204/0x2e0
[  350.910812]  ____cache_alloc_node+0x1c7/0x1e0
[  350.915305]  kmem_cache_alloc_node+0xe3/0x730
[  350.919799]  ? lockdep_hardirqs_on+0x296/0x5b0
[  350.924381]  __alloc_skb+0x119/0x770
[  350.928092]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  350.933455]  ? netdev_alloc_frag+0x1f0/0x1f0
[  350.937861]  ? vprintk_default+0x28/0x30
[  350.941929]  ? vprintk_func+0x85/0x181
[  350.945812]  ? printk+0xa7/0xcf
[  350.949087]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  350.953838]  ? do_raw_spin_trylock+0x270/0x270
[  350.958419]  new_skb+0x26/0x1c0
[  350.961699]  aoecmd_cfg+0x279/0x7f0
[  350.965321]  ? find_held_lock+0x36/0x1c0
[  350.969377]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  350.973791]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.979328]  ? __lock_is_held+0xb5/0x140
[  350.983396]  discover_timer+0x50/0x60
[  350.987211]  call_timer_fn+0x272/0x920
[  350.991092]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  350.995934]  ? process_timeout+0x40/0x40
[  350.999996]  ? __run_timers+0x7da/0xc70
[  351.003969]  ? _raw_spin_unlock_irq+0x27/0x80
[  351.008459]  ? _raw_spin_unlock_irq+0x27/0x80
[  351.012949]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  351.017802]  ? lockdep_hardirqs_on+0x296/0x5b0
[  351.022380]  ? trace_hardirqs_on+0xbd/0x310
[  351.026701]  ? kasan_check_read+0x11/0x20
[  351.030841]  ? __run_timers+0x7da/0xc70
[  351.034904]  ? trace_hardirqs_off_caller+0x310/0x310
[  351.040020]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  351.044853]  __run_timers+0x7e5/0xc70
[  351.048655]  ? timer_fixup_init+0x70/0x70
[  351.052798]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  351.057807]  ? zap_class+0x640/0x640
[  351.061520]  ? enqueue_hrtimer+0x1a5/0x560
[  351.065750]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  351.070939]  ? find_held_lock+0x36/0x1c0
[  351.074998]  ? zap_class+0x640/0x640
[  351.078721]  ? pvclock_read_flags+0x160/0x160
[  351.083212]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.088744]  ? check_preemption_disabled+0x48/0x280
[  351.093765]  ? __lock_is_held+0xb5/0x140
[  351.097817]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.103350]  ? check_preemption_disabled+0x48/0x280
[  351.108364]  run_timer_softirq+0x52/0xb0
[  351.112422]  ? rcu_read_lock_sched_held+0x14f/0x180
[  351.117464]  __do_softirq+0x308/0xb7e
[  351.121271]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  351.125762]  ? lock_downgrade+0x900/0x900
[  351.129915]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  351.135017]  ? pvclock_read_flags+0x160/0x160
[  351.139628]  ? lapic_next_event+0x5a/0x90
[  351.143783]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.149316]  ? kvm_clock_read+0x18/0x30
[  351.153283]  ? kvm_sched_clock_read+0x9/0x20
[  351.157695]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.163227]  ? check_preemption_disabled+0x48/0x280
[  351.168247]  irq_exit+0x17f/0x1c0
[  351.171696]  smp_apic_timer_interrupt+0x1cb/0x760
[  351.176534]  ? smp_reschedule_interrupt+0x109/0x650
[  351.181542]  ? smp_call_function_single_interrupt+0x650/0x650
[  351.187420]  ? interrupt_entry+0xb5/0xc0
[  351.191475]  ? trace_hardirqs_off_caller+0xbb/0x310
[  351.196482]  ? trace_hardirqs_off_caller+0xbb/0x310
[  351.201496]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  351.206332]  ? trace_hardirqs_on_caller+0x310/0x310
[  351.211343]  ? trace_hardirqs_on_caller+0x310/0x310
[  351.216350]  ? task_prio+0x50/0x50
[  351.219892]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.225428]  ? check_preemption_disabled+0x48/0x280
[  351.230443]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  351.235288]  apic_timer_interrupt+0xf/0x20
[  351.239511]  </IRQ>
[  351.241742] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  351.246666] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  351.265560] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  351.273258] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  351.280528] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  351.287791] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  351.295050] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  351.302311] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  351.309611]  skb_clone+0x1bb/0x500
[  351.313164]  ? finish_task_switch+0x2f4/0x910
[  351.317659]  ? skb_split+0x11e0/0x11e0
[  351.321540]  ? preempt_notifier_register+0x200/0x200
[  351.326635]  ? __switch_to_asm+0x34/0x70
[  351.330690]  ? __switch_to_asm+0x34/0x70
[  351.334743]  ? __switch_to_asm+0x40/0x70
[  351.338797]  ? __switch_to_asm+0x34/0x70
[  351.342855]  ? __switch_to_asm+0x40/0x70
[  351.346918]  ? __switch_to_asm+0x34/0x70
[  351.350975]  ? __switch_to_asm+0x40/0x70
[  351.355028]  ? __switch_to_asm+0x34/0x70
[  351.359085]  ? __switch_to_asm+0x34/0x70
[  351.363140]  ? __switch_to_asm+0x40/0x70
[  351.367193]  ? __switch_to_asm+0x34/0x70
[  351.371249]  bpf_clone_redirect+0xb9/0x490
[  351.375500]  ? __schedule+0x8d7/0x21d0
[  351.379403]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  351.384329]  ? __sched_text_start+0x8/0x8
[  351.388471]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  351.393046]  ? retint_kernel+0x2d/0x2d
[  351.396938]  ? trace_hardirqs_on_caller+0xc0/0x310
[  351.401871]  ? find_held_lock+0x36/0x1c0
[  351.405937]  ? lock_acquire+0x1ed/0x520
[  351.409908]  ? bpf_test_run+0x3cb/0x780
[  351.413885]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.419416]  ? check_preemption_disabled+0x48/0x280
[  351.424430]  ? kasan_check_read+0x11/0x20
[  351.428571]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  351.433842]  ? rcu_softirq_qs+0x20/0x20
[  351.437824]  ? preempt_schedule+0x4d/0x60
[  351.441967]  ? ___preempt_schedule+0x16/0x18
[  351.446379]  ? bpf_test_run+0x25d/0x780
[  351.450357]  ? netlink_diag_dump+0x2a0/0x2a0
[  351.454762]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  351.460292]  ? bpf_test_init.isra.10+0x70/0x100
[  351.464961]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  351.469733]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  351.474588]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  351.480121]  ? fput+0x130/0x1a0
[  351.483395]  ? __bpf_prog_get+0x9b/0x290
[  351.487451]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  351.492376]  ? bpf_prog_test_run+0x130/0x1a0
[  351.496784]  ? __x64_sys_bpf+0x3d8/0x520
[  351.500841]  ? bpf_prog_get+0x20/0x20
[  351.504663]  ? do_syscall_64+0x1b9/0x820
[  351.508715]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  351.514074]  ? syscall_return_slowpath+0x5e0/0x5e0
[  351.519012]  ? trace_hardirqs_on_caller+0x310/0x310
[  351.524026]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  351.529038]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  351.535696]  ? __switch_to_asm+0x40/0x70
[  351.539749]  ? __switch_to_asm+0x34/0x70
[  351.543809]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  351.548654]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  351.555155] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  351.555213] aoe: skb alloc failure
[  351.561996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  351.562001] Call Trace:
[  351.562018]  dump_stack+0x244/0x39d
[  351.562038]  ? dump_stack_print_info.cold.1+0x20/0x20
[  351.565575] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  351.574909]  warn_alloc.cold.116+0xb7/0x1bd
[  351.577459] syz-executor4 cpuset=syz4 mems_allowed=0
[  351.581073]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  351.610954]  ? lock_downgrade+0x900/0x900
[  351.615104]  ? trace_hardirqs_off+0xb8/0x310
[  351.619529]  ? trace_hardirqs_off+0xb8/0x310
[  351.623939]  __alloc_pages_slowpath+0x26e8/0x2e10
[  351.628806]  ? warn_alloc+0x120/0x120
[  351.632610]  ? print_usage_bug+0xc0/0xc0
[  351.636671]  ? warn_alloc+0x120/0x120
[  351.640471]  ? warn_alloc+0x120/0x120
[  351.644272]  ? print_usage_bug+0xc0/0xc0
[  351.648335]  ? print_usage_bug+0xc0/0xc0
[  351.652397]  ? __lock_acquire+0x62f/0x4c20
[  351.656632]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  351.662176]  ? should_fail+0x22d/0xd01
[  351.666064]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  351.671161]  ? __lock_acquire+0x62f/0x4c20
[  351.675393]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  351.680488]  ? __lock_acquire+0x62f/0x4c20
[  351.684715]  ? should_fail+0x22d/0xd01
[  351.688596]  ? find_held_lock+0x36/0x1c0
[  351.692661]  ? mark_held_locks+0x130/0x130
[  351.696897]  ? mark_held_locks+0x130/0x130
[  351.701128]  ? zap_class+0x640/0x640
[  351.704849]  ? zap_class+0x640/0x640
[  351.708559]  ? print_usage_bug+0xc0/0xc0
[  351.712610]  ? do_raw_spin_unlock+0xa7/0x330
[  351.717028]  ? zap_class+0x640/0x640
[  351.720735]  ? print_usage_bug+0xc0/0xc0
[  351.724791]  ? wq_watchdog_touch+0x9c/0xfe
[  351.729023]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.734648]  ? check_preemption_disabled+0x48/0x280
[  351.739675]  ? __lock_is_held+0xb5/0x140
[  351.743735]  __alloc_pages_nodemask+0xa80/0xde0
[  351.748399]  ? zap_class+0x640/0x640
[  351.752114]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  351.757137]  ? find_held_lock+0x36/0x1c0
[  351.761203]  ? ____cache_alloc_node+0x1c7/0x1e0
[  351.765878]  ? lock_downgrade+0x900/0x900
[  351.770027]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.775563]  cache_grow_begin+0xa5/0x8c0
[  351.779616]  ? do_raw_spin_unlock+0xa7/0x330
[  351.784034]  fallback_alloc+0x204/0x2e0
[  351.788012]  ____cache_alloc_node+0x1c7/0x1e0
[  351.792517]  kmem_cache_alloc_node+0xe3/0x730
[  351.797009]  ? ipv6_get_ifaddr+0x42e/0x620
[  351.801248]  __alloc_skb+0x119/0x770
[  351.804956]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  351.810229]  ? netdev_alloc_frag+0x1f0/0x1f0
[  351.814633]  ? lock_downgrade+0x900/0x900
[  351.818781]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.824313]  ? refcount_sub_and_test_checked+0x203/0x310
[  351.829871]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  351.835320]  ? addrconf_rs_timer+0x690/0x690
[  351.839738]  ndisc_alloc_skb+0x144/0x340
[  351.843798]  ndisc_send_rs+0x331/0x6e0
[  351.847690]  addrconf_rs_timer+0x314/0x690
[  351.851925]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  351.856164]  call_timer_fn+0x272/0x920
[  351.860049]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  351.864278]  ? process_timeout+0x40/0x40
[  351.868344]  ? __run_timers+0x7da/0xc70
[  351.872319]  ? _raw_spin_unlock_irq+0x27/0x80
[  351.876809]  ? _raw_spin_unlock_irq+0x27/0x80
[  351.881303]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  351.885536]  ? lockdep_hardirqs_on+0x296/0x5b0
[  351.890114]  ? trace_hardirqs_on+0xbd/0x310
[  351.894436]  ? kasan_check_read+0x11/0x20
[  351.898580]  ? __run_timers+0x7da/0xc70
[  351.902548]  ? trace_hardirqs_off_caller+0x310/0x310
[  351.907649]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  351.911898]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  351.916125]  __run_timers+0x7e5/0xc70
[  351.919938]  ? timer_fixup_init+0x70/0x70
[  351.924254]  ? _raw_spin_unlock_irq+0x27/0x80
[  351.928741]  ? _raw_spin_unlock_irq+0x27/0x80
[  351.933233]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  351.937812]  ? trace_hardirqs_on+0xbd/0x310
[  351.942134]  ? kasan_check_read+0x11/0x20
[  351.946280]  ? finish_task_switch+0x1f4/0x910
[  351.950775]  ? trace_hardirqs_off_caller+0x310/0x310
[  351.955874]  ? compat_start_thread+0x80/0x80
[  351.960300]  ? pvclock_read_flags+0x160/0x160
[  351.964789]  ? __switch_to_asm+0x34/0x70
[  351.968855]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.974389]  ? check_preemption_disabled+0x48/0x280
[  351.979703]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  351.985238]  ? rcu_pm_notify+0xc0/0xc0
[  351.989124]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.994663]  ? check_preemption_disabled+0x48/0x280
[  351.999678]  run_timer_softirq+0x52/0xb0
[  352.003734]  ? rcu_read_lock_sched_held+0x14f/0x180
[  352.008764]  __do_softirq+0x308/0xb7e
[  352.012575]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  352.017672]  ? trace_hardirqs_off+0xb8/0x310
[  352.022079]  ? rcu_irq_enter+0x18c/0x310
[  352.026146]  ? schedule+0x108/0x460
[  352.029767]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  352.034529]  ? trace_hardirqs_off+0xb8/0x310
[  352.038938]  ? smpboot_thread_fn+0x68b/0xa00
[  352.043345]  ? trace_hardirqs_on+0x310/0x310
[  352.047852]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  352.053386]  ? check_preemption_disabled+0x48/0x280
[  352.058397]  ? takeover_tasklets+0xa90/0xa90
[  352.062800]  run_ksoftirqd+0x5e/0x100
[  352.066600]  smpboot_thread_fn+0x68b/0xa00
[  352.070840]  ? sort_range+0x30/0x30
[  352.074466]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  352.079564]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  352.085098]  ? __kthread_parkme+0xfb/0x1a0
[  352.089338]  ? sort_range+0x30/0x30
[  352.092975]  kthread+0x35a/0x440
[  352.096352]  ? kthread_stop+0x900/0x900
[  352.100322]  ret_from_fork+0x3a/0x50
[  352.104047] warn_alloc_show_mem: 1 callbacks suppressed
[  352.104057] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  352.104059] Mem-Info:
[  352.104087] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  352.104087]  active_file:16 inactive_file:14 isolated_file:0
[  352.104087]  unevictable:0 dirty:0 writeback:0 unstable:0
[  352.104087]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  352.104087]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  352.104087]  free:13767 free_pcp:490 free_cma:0
[  352.109421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  352.109428] Call Trace:
[  352.116717] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  352.119109]  <IRQ>
[  352.152542] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  352.161899]  dump_stack+0x244/0x39d
[  352.164448] lowmem_reserve[]: 0 2818 6321 6321
[  352.192109]  ? dump_stack_print_info.cold.1+0x20/0x20
[  352.194230] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  352.220341]  warn_alloc.cold.116+0xb7/0x1bd
[  352.223931] lowmem_reserve[]: 0 0 3503 3503
[  352.228505]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  352.233668] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  352.261168]  ? lock_downgrade+0x900/0x900
[  352.265456] lowmem_reserve[]: 0 0 0 0
[  352.269769]  ? trace_hardirqs_off+0xb8/0x310
[  352.274577] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  352.303834]  ? trace_hardirqs_off+0xb8/0x310
[  352.307948] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  352.311745]  __alloc_pages_slowpath+0x26e8/0x2e10
[  352.316122] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  352.329661]  ? warn_alloc+0x120/0x120
[  352.334029] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  352.349366]  ? warn_alloc+0x120/0x120
[  352.354181] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  352.369244]  ? __lock_acquire+0x62f/0x4c20
[  352.373013] 1997 total pagecache pages
[  352.381834]  ? warn_alloc+0x120/0x120
[  352.385614] 0 pages in swap cache
[  352.394277]  ? print_usage_bug+0xc0/0xc0
[  352.398484] Swap cache stats: add 0, delete 0, find 0/0
[  352.402356]  ? print_usage_bug+0xc0/0xc0
[  352.406130] Free swap  = 0kB
[  352.409570]  ? mark_held_locks+0x130/0x130
[  352.413601] Total swap = 0kB
[  352.418951]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  352.422983] 1965979 pages RAM
[  352.425994]  ? should_fail+0x22d/0xd01
[  352.430197] 0 pages HighMem/MovableOnly
[  352.433201]  ? zap_class+0x640/0x640
[  352.438709] 342853 pages reserved
[  352.441814]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  352.445682] 0 pages cma reserved
[  352.449641]  ? __lock_acquire+0x62f/0x4c20
[  352.453388] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  352.456768]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  352.461941] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  352.465194]  ? should_fail+0x22d/0xd01
[  352.465219]  ? mark_held_locks+0x130/0x130
[  352.469777] ksoftirqd/1 cpuset=/ mems_allowed=0
[  352.476275]  ? mark_held_locks+0x130/0x130
[  352.508701]  ? lock_downgrade+0x900/0x900
[  352.512844]  ? zap_class+0x640/0x640
[  352.516562]  ? zap_class+0x640/0x640
[  352.520269]  ? zap_class+0x640/0x640
[  352.523973]  ? do_raw_spin_unlock+0xa7/0x330
[  352.528377]  ? trace_hardirqs_on+0x310/0x310
[  352.532786]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.538324]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.543858]  ? check_preemption_disabled+0x48/0x280
[  352.548879]  ? __lock_is_held+0xb5/0x140
[  352.552939]  __alloc_pages_nodemask+0xa80/0xde0
[  352.557603]  ? zap_class+0x640/0x640
[  352.561322]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  352.566358]  ? find_held_lock+0x36/0x1c0
[  352.570421]  ? ____cache_alloc_node+0x1c7/0x1e0
[  352.575093]  ? lock_downgrade+0x900/0x900
[  352.579243]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.584784]  cache_grow_begin+0xa5/0x8c0
[  352.588846]  ? do_raw_spin_unlock+0xa7/0x330
[  352.593263]  fallback_alloc+0x204/0x2e0
[  352.597251]  ____cache_alloc_node+0x1c7/0x1e0
[  352.601745]  kmem_cache_alloc_node+0xe3/0x730
[  352.606243]  ? lockdep_hardirqs_on+0x296/0x5b0
[  352.610826]  __alloc_skb+0x119/0x770
[  352.614531]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  352.619893]  ? netdev_alloc_frag+0x1f0/0x1f0
[  352.624303]  ? vprintk_default+0x28/0x30
[  352.628357]  ? vprintk_func+0x85/0x181
[  352.632266]  ? printk+0xa7/0xcf
[  352.635540]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  352.640292]  ? do_raw_spin_trylock+0x270/0x270
[  352.644875]  new_skb+0x26/0x1c0
[  352.648163]  aoecmd_cfg+0x279/0x7f0
[  352.651794]  ? find_held_lock+0x36/0x1c0
[  352.655855]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  352.660191]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.665735]  ? __lock_is_held+0xb5/0x140
[  352.669815]  discover_timer+0x50/0x60
[  352.673608]  call_timer_fn+0x272/0x920
[  352.677488]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  352.682328]  ? process_timeout+0x40/0x40
[  352.686390]  ? __run_timers+0x7da/0xc70
[  352.690358]  ? _raw_spin_unlock_irq+0x27/0x80
[  352.694848]  ? _raw_spin_unlock_irq+0x27/0x80
[  352.699335]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  352.704174]  ? lockdep_hardirqs_on+0x296/0x5b0
[  352.708750]  ? trace_hardirqs_on+0xbd/0x310
[  352.713075]  ? kasan_check_read+0x11/0x20
[  352.717219]  ? __run_timers+0x7da/0xc70
[  352.721190]  ? trace_hardirqs_off_caller+0x310/0x310
[  352.726301]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  352.731140]  __run_timers+0x7e5/0xc70
[  352.734942]  ? timer_fixup_init+0x70/0x70
[  352.739086]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  352.744095]  ? zap_class+0x640/0x640
[  352.747818]  ? enqueue_hrtimer+0x1a5/0x560
[  352.752049]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  352.757239]  ? find_held_lock+0x36/0x1c0
[  352.761313]  ? zap_class+0x640/0x640
[  352.765041]  ? pvclock_read_flags+0x160/0x160
[  352.769532]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.775178]  ? check_preemption_disabled+0x48/0x280
[  352.780198]  ? __lock_is_held+0xb5/0x140
[  352.784253]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.789793]  ? check_preemption_disabled+0x48/0x280
[  352.794809]  run_timer_softirq+0x52/0xb0
[  352.798865]  ? rcu_read_lock_sched_held+0x14f/0x180
[  352.803875]  __do_softirq+0x308/0xb7e
[  352.807671]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  352.812165]  ? lock_downgrade+0x900/0x900
[  352.816310]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  352.821430]  ? pvclock_read_flags+0x160/0x160
[  352.825921]  ? lapic_next_event+0x5a/0x90
[  352.830067]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.835604]  ? kvm_clock_read+0x18/0x30
[  352.839572]  ? kvm_sched_clock_read+0x9/0x20
[  352.843988]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.849518]  ? check_preemption_disabled+0x48/0x280
[  352.854534]  irq_exit+0x17f/0x1c0
[  352.857980]  smp_apic_timer_interrupt+0x1cb/0x760
[  352.862818]  ? smp_reschedule_interrupt+0x109/0x650
[  352.867842]  ? smp_call_function_single_interrupt+0x650/0x650
[  352.873719]  ? interrupt_entry+0xb5/0xc0
[  352.877785]  ? trace_hardirqs_off_caller+0xbb/0x310
[  352.882805]  ? trace_hardirqs_off_caller+0xbb/0x310
[  352.887830]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  352.892667]  ? trace_hardirqs_on_caller+0x310/0x310
[  352.897674]  ? trace_hardirqs_on_caller+0x310/0x310
[  352.902694]  ? task_prio+0x50/0x50
[  352.906236]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.911777]  ? check_preemption_disabled+0x48/0x280
[  352.916799]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  352.921646]  apic_timer_interrupt+0xf/0x20
[  352.925872]  </IRQ>
[  352.928104] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  352.933049] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  352.951940] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  352.959639] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  352.966902] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  352.974165] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  352.981425] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  352.988685] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  352.995982]  skb_clone+0x1bb/0x500
[  352.999515]  ? finish_task_switch+0x2f4/0x910
[  353.004006]  ? skb_split+0x11e0/0x11e0
[  353.007891]  ? preempt_notifier_register+0x200/0x200
[  353.012985]  ? __switch_to_asm+0x34/0x70
[  353.017038]  ? __switch_to_asm+0x34/0x70
[  353.021106]  ? __switch_to_asm+0x40/0x70
[  353.025159]  ? __switch_to_asm+0x34/0x70
[  353.029211]  ? __switch_to_asm+0x40/0x70
[  353.033268]  ? __switch_to_asm+0x34/0x70
[  353.037320]  ? __switch_to_asm+0x40/0x70
[  353.041373]  ? __switch_to_asm+0x34/0x70
[  353.045428]  ? __switch_to_asm+0x34/0x70
[  353.049479]  ? __switch_to_asm+0x40/0x70
[  353.053532]  ? __switch_to_asm+0x34/0x70
[  353.057591]  bpf_clone_redirect+0xb9/0x490
[  353.061822]  ? __schedule+0x8d7/0x21d0
[  353.065797]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  353.070842]  ? __sched_text_start+0x8/0x8
[  353.074988]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  353.079576]  ? retint_kernel+0x2d/0x2d
[  353.083462]  ? trace_hardirqs_on_caller+0xc0/0x310
[  353.088391]  ? find_held_lock+0x36/0x1c0
[  353.092455]  ? lock_acquire+0x1ed/0x520
[  353.096424]  ? bpf_test_run+0x3cb/0x780
[  353.100401]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.105944]  ? check_preemption_disabled+0x48/0x280
[  353.110963]  ? kasan_check_read+0x11/0x20
[  353.115107]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  353.120377]  ? rcu_softirq_qs+0x20/0x20
[  353.124348]  ? preempt_schedule+0x4d/0x60
[  353.128500]  ? ___preempt_schedule+0x16/0x18
[  353.132913]  ? bpf_test_run+0x25d/0x780
[  353.136894]  ? netlink_diag_dump+0x2a0/0x2a0
[  353.141297]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  353.146916]  ? bpf_test_init.isra.10+0x70/0x100
[  353.151599]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  353.156365]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  353.161202]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  353.166765]  ? fput+0x130/0x1a0
[  353.170042]  ? __bpf_prog_get+0x9b/0x290
[  353.174103]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  353.178941]  ? bpf_prog_test_run+0x130/0x1a0
[  353.183346]  ? __x64_sys_bpf+0x3d8/0x520
[  353.187400]  ? bpf_prog_get+0x20/0x20
[  353.191215]  ? do_syscall_64+0x1b9/0x820
[  353.195266]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  353.200624]  ? syscall_return_slowpath+0x5e0/0x5e0
[  353.205548]  ? trace_hardirqs_on_caller+0x310/0x310
[  353.210558]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  353.215655]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  353.222318]  ? __switch_to_asm+0x40/0x70
[  353.226368]  ? __switch_to_asm+0x34/0x70
[  353.230427]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  353.235274]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  353.240653] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  353.240717] aoe: skb alloc failure
[  353.247492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  353.247499] Call Trace:
[  353.251071] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  353.260367]  dump_stack+0x244/0x39d
[  353.262923] syz-executor4 cpuset=syz4 mems_allowed=0
[  353.273397]  ? dump_stack_print_info.cold.1+0x20/0x20
[  353.287263]  warn_alloc.cold.116+0xb7/0x1bd
[  353.291694]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  353.296544]  ? lock_downgrade+0x900/0x900
[  353.300689]  ? trace_hardirqs_off+0xb8/0x310
[  353.305099]  ? trace_hardirqs_off+0xb8/0x310
[  353.309505]  __alloc_pages_slowpath+0x26e8/0x2e10
[  353.314373]  ? warn_alloc+0x120/0x120
[  353.318172]  ? warn_alloc+0x120/0x120
[  353.321993]  ? warn_alloc+0x120/0x120
[  353.325792]  ? print_usage_bug+0xc0/0xc0
[  353.329851]  ? print_usage_bug+0xc0/0xc0
[  353.333908]  ? __lock_acquire+0x62f/0x4c20
[  353.338145]  ? zap_class+0x640/0x640
[  353.341856]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  353.347385]  ? should_fail+0x22d/0xd01
[  353.351271]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  353.356376]  ? __lock_acquire+0x62f/0x4c20
[  353.360609]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  353.365703]  ? should_fail+0x22d/0xd01
[  353.369594]  ? find_held_lock+0x36/0x1c0
[  353.373662]  ? mark_held_locks+0x130/0x130
[  353.377895]  ? mark_held_locks+0x130/0x130
[  353.382120]  ? zap_class+0x640/0x640
[  353.385835]  ? __lock_acquire+0x62f/0x4c20
[  353.390064]  ? do_raw_spin_unlock+0xa7/0x330
[  353.394467]  ? zap_class+0x640/0x640
[  353.398183]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.403723]  ? check_preemption_disabled+0x48/0x280
[  353.408765]  ? __lock_is_held+0xb5/0x140
[  353.412830]  __alloc_pages_nodemask+0xa80/0xde0
[  353.417492]  ? zap_class+0x640/0x640
[  353.421203]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  353.426236]  ? find_held_lock+0x36/0x1c0
[  353.430299]  ? ____cache_alloc_node+0x1c7/0x1e0
[  353.434962]  ? lock_downgrade+0x900/0x900
[  353.439115]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.444650]  cache_grow_begin+0xa5/0x8c0
[  353.448705]  ? do_raw_spin_unlock+0xa7/0x330
[  353.453123]  fallback_alloc+0x204/0x2e0
[  353.457097]  ____cache_alloc_node+0x1c7/0x1e0
[  353.461594]  kmem_cache_alloc_node+0xe3/0x730
[  353.466081]  ? do_raw_spin_unlock+0xa7/0x330
[  353.470484]  ? do_raw_spin_trylock+0x270/0x270
[  353.475081]  __alloc_skb+0x119/0x770
[  353.478791]  ? netdev_alloc_frag+0x1f0/0x1f0
[  353.483195]  ? atomic_notifier_call_chain+0xc6/0x190
[  353.488298]  ? lock_downgrade+0x900/0x900
[  353.492444]  ? check_preemption_disabled+0x48/0x280
[  353.497460]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  353.502382]  ? kasan_check_read+0x11/0x20
[  353.506523]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  353.511793]  ? rcu_softirq_qs+0x20/0x20
[  353.515760]  ? kasan_check_read+0x11/0x20
[  353.519907]  ? do_raw_write_trylock+0x270/0x270
[  353.524589]  __neigh_notify+0x8c/0x160
[  353.528474]  ? neigh_connected_output+0x780/0x780
[  353.533310]  neigh_timer_handler+0x6cb/0xdf0
[  353.537718]  ? check_preemption_disabled+0x48/0x280
[  353.542737]  ? neigh_periodic_work+0xc60/0xc60
[  353.547316]  ? __lock_is_held+0xb5/0x140
[  353.551381]  call_timer_fn+0x272/0x920
[  353.555262]  ? neigh_periodic_work+0xc60/0xc60
[  353.559838]  ? process_timeout+0x40/0x40
[  353.563987]  ? __run_timers+0x7da/0xc70
[  353.568039]  ? _raw_spin_unlock_irq+0x27/0x80
[  353.572532]  ? _raw_spin_unlock_irq+0x27/0x80
[  353.577020]  ? neigh_periodic_work+0xc60/0xc60
[  353.581599]  ? lockdep_hardirqs_on+0x296/0x5b0
[  353.586176]  ? trace_hardirqs_on+0xbd/0x310
[  353.590488]  ? kasan_check_read+0x11/0x20
[  353.594629]  ? __run_timers+0x7da/0xc70
[  353.598601]  ? trace_hardirqs_off_caller+0x310/0x310
[  353.603716]  ? neigh_periodic_work+0xc60/0xc60
[  353.608291]  __run_timers+0x7e5/0xc70
[  353.612094]  ? timer_fixup_init+0x70/0x70
[  353.616236]  ? _raw_spin_unlock_irq+0x27/0x80
[  353.620726]  ? _raw_spin_unlock_irq+0x27/0x80
[  353.625224]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  353.629803]  ? trace_hardirqs_on+0xbd/0x310
[  353.634127]  ? kasan_check_read+0x11/0x20
[  353.638301]  ? finish_task_switch+0x1f4/0x910
[  353.642794]  ? trace_hardirqs_off_caller+0x310/0x310
[  353.647897]  ? compat_start_thread+0x80/0x80
[  353.652317]  ? pvclock_read_flags+0x160/0x160
[  353.656807]  ? __switch_to_asm+0x34/0x70
[  353.660868]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.666401]  ? check_preemption_disabled+0x48/0x280
[  353.671423]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  353.676953]  ? rcu_pm_notify+0xc0/0xc0
[  353.680834]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.686362]  ? check_preemption_disabled+0x48/0x280
[  353.691376]  run_timer_softirq+0x52/0xb0
[  353.695431]  ? rcu_read_lock_sched_held+0x14f/0x180
[  353.700441]  __do_softirq+0x308/0xb7e
[  353.704252]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  353.709349]  ? trace_hardirqs_off+0xb8/0x310
[  353.713754]  ? rcu_irq_enter+0x18c/0x310
[  353.717816]  ? schedule+0x108/0x460
[  353.721441]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  353.726198]  ? trace_hardirqs_off+0xb8/0x310
[  353.730610]  ? smpboot_thread_fn+0x68b/0xa00
[  353.735015]  ? trace_hardirqs_on+0x310/0x310
[  353.739422]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  353.744955]  ? check_preemption_disabled+0x48/0x280
[  353.749970]  ? takeover_tasklets+0xa90/0xa90
[  353.754380]  run_ksoftirqd+0x5e/0x100
[  353.758262]  smpboot_thread_fn+0x68b/0xa00
[  353.762494]  ? sort_range+0x30/0x30
[  353.766119]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  353.771229]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  353.776761]  ? __kthread_parkme+0xfb/0x1a0
[  353.780996]  ? sort_range+0x30/0x30
[  353.784615]  kthread+0x35a/0x440
[  353.787976]  ? kthread_stop+0x900/0x900
[  353.791950]  ret_from_fork+0x3a/0x50
[  353.795712] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  353.795716] warn_alloc_show_mem: 1 callbacks suppressed
[  353.795722] Mem-Info:
[  353.802988] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  353.808351] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  353.808351]  active_file:16 inactive_file:14 isolated_file:0
[  353.808351]  unevictable:0 dirty:0 writeback:0 unstable:0
[  353.808351]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  353.808351]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  353.808351]  free:13767 free_pcp:490 free_cma:0
[  353.810720] Call Trace:
[  353.820094] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  353.853104]  <IRQ>
[  353.855670] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  353.883354]  dump_stack+0x244/0x39d
[  353.885477] lowmem_reserve[]: 0 2818 6321 6321
[  353.911576]  ? dump_stack_print_info.cold.1+0x20/0x20
[  353.915174] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  353.919754]  warn_alloc.cold.116+0xb7/0x1bd
[  353.924908] lowmem_reserve[]: 0 0 3503 3503
[  353.952396]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  353.956692] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  353.961011]  ? lock_downgrade+0x900/0x900
[  353.965825] lowmem_reserve[]: 0 0 0 0
[  353.995601]  ? trace_hardirqs_off+0xb8/0x310
[  353.999719] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  354.003513]  ? trace_hardirqs_off+0xb8/0x310
[  354.007891] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  354.021410]  __alloc_pages_slowpath+0x26e8/0x2e10
[  354.025783] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  354.041147]  ? warn_alloc+0x120/0x120
[  354.045946] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  354.061021]  ? warn_alloc+0x120/0x120
[  354.064798] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  354.073613]  ? warn_alloc+0x120/0x120
[  354.077473] 1997 total pagecache pages
[  354.086133]  ? print_usage_bug+0xc0/0xc0
[  354.089912] 0 pages in swap cache
[  354.093800]  ? print_usage_bug+0xc0/0xc0
[  354.097838] Swap cache stats: add 0, delete 0, find 0/0
[  354.101271]  ? ktime_get+0x2c1/0x400
[  354.105393] Free swap  = 0kB
[  354.110745]  ? check_preemption_disabled+0x48/0x280
[  354.114426] Total swap = 0kB
[  354.117431]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  354.122419] 1965979 pages RAM
[  354.125422]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  354.129881] 0 pages HighMem/MovableOnly
[  354.129889] 342853 pages reserved
[  354.132983]  ? should_fail+0x22d/0xd01
[  354.138491] 0 pages cma reserved
[  354.142452]  ? kasan_check_read+0x11/0x20
[  354.146434] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  354.150212]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  354.153543] ksoftirqd/1 cpuset=/ mems_allowed=0
[  354.157689]  ? __lock_acquire+0x62f/0x4c20
[  354.181931]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  354.187028]  ? should_fail+0x22d/0xd01
[  354.190911]  ? print_usage_bug+0xc0/0xc0
[  354.195059]  ? mark_held_locks+0x130/0x130
[  354.199290]  ? mark_held_locks+0x130/0x130
[  354.203522]  ? check_preemption_disabled+0x48/0x280
[  354.208545]  ? zap_class+0x640/0x640
[  354.212256]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  354.217011]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.223065]  ? check_preemption_disabled+0x48/0x280
[  354.228087]  ? __lock_is_held+0xb5/0x140
[  354.232152]  __alloc_pages_nodemask+0xa80/0xde0
[  354.236821]  ? zap_class+0x640/0x640
[  354.240533]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  354.245554]  ? find_held_lock+0x36/0x1c0
[  354.249618]  ? ____cache_alloc_node+0x1c7/0x1e0
[  354.254286]  ? lock_downgrade+0x900/0x900
[  354.258451]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.263989]  cache_grow_begin+0xa5/0x8c0
[  354.268047]  ? do_raw_spin_unlock+0xa7/0x330
[  354.272458]  fallback_alloc+0x204/0x2e0
[  354.276430]  ____cache_alloc_node+0x1c7/0x1e0
[  354.280922]  kmem_cache_alloc_node+0xe3/0x730
[  354.285421]  ? lockdep_hardirqs_on+0x296/0x5b0
[  354.290010]  __alloc_skb+0x119/0x770
[  354.293718]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  354.299083]  ? netdev_alloc_frag+0x1f0/0x1f0
[  354.303491]  ? vprintk_default+0x28/0x30
[  354.307548]  ? vprintk_func+0x85/0x181
[  354.311429]  ? printk+0xa7/0xcf
[  354.314705]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  354.319456]  ? do_raw_spin_trylock+0x270/0x270
[  354.324062]  new_skb+0x26/0x1c0
[  354.327341]  aoecmd_cfg+0x279/0x7f0
[  354.330967]  ? find_held_lock+0x36/0x1c0
[  354.335031]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  354.339360]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.344900]  ? __lock_is_held+0xb5/0x140
[  354.348966]  discover_timer+0x50/0x60
[  354.352758]  call_timer_fn+0x272/0x920
[  354.356648]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  354.361492]  ? process_timeout+0x40/0x40
[  354.365553]  ? __run_timers+0x7da/0xc70
[  354.369536]  ? _raw_spin_unlock_irq+0x27/0x80
[  354.374024]  ? _raw_spin_unlock_irq+0x27/0x80
[  354.378511]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  354.383352]  ? lockdep_hardirqs_on+0x296/0x5b0
[  354.387932]  ? trace_hardirqs_on+0xbd/0x310
[  354.392247]  ? kasan_check_read+0x11/0x20
[  354.396386]  ? __run_timers+0x7da/0xc70
[  354.400355]  ? trace_hardirqs_off_caller+0x310/0x310
[  354.405463]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  354.410298]  __run_timers+0x7e5/0xc70
[  354.414102]  ? timer_fixup_init+0x70/0x70
[  354.418243]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  354.423253]  ? zap_class+0x640/0x640
[  354.426983]  ? enqueue_hrtimer+0x1a5/0x560
[  354.431212]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  354.436403]  ? find_held_lock+0x36/0x1c0
[  354.440463]  ? zap_class+0x640/0x640
[  354.444177]  ? pvclock_read_flags+0x160/0x160
[  354.448673]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.454209]  ? check_preemption_disabled+0x48/0x280
[  354.459231]  ? __lock_is_held+0xb5/0x140
[  354.463285]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.468902]  ? check_preemption_disabled+0x48/0x280
[  354.473916]  run_timer_softirq+0x52/0xb0
[  354.477969]  ? rcu_read_lock_sched_held+0x14f/0x180
[  354.482982]  __do_softirq+0x308/0xb7e
[  354.486795]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  354.491287]  ? lock_downgrade+0x900/0x900
[  354.495430]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  354.500532]  ? pvclock_read_flags+0x160/0x160
[  354.505022]  ? lapic_next_event+0x5a/0x90
[  354.509181]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.514721]  ? kvm_clock_read+0x18/0x30
[  354.518691]  ? kvm_sched_clock_read+0x9/0x20
[  354.523094]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.528623]  ? check_preemption_disabled+0x48/0x280
[  354.533659]  irq_exit+0x17f/0x1c0
[  354.537123]  smp_apic_timer_interrupt+0x1cb/0x760
[  354.541966]  ? smp_reschedule_interrupt+0x109/0x650
[  354.546974]  ? smp_call_function_single_interrupt+0x650/0x650
[  354.552855]  ? interrupt_entry+0xb5/0xc0
[  354.556910]  ? trace_hardirqs_off_caller+0xbb/0x310
[  354.561920]  ? trace_hardirqs_off_caller+0xbb/0x310
[  354.566949]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  354.571791]  ? trace_hardirqs_on_caller+0x310/0x310
[  354.576800]  ? trace_hardirqs_on_caller+0x310/0x310
[  354.581951]  ? task_prio+0x50/0x50
[  354.585487]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.591032]  ? check_preemption_disabled+0x48/0x280
[  354.596051]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  354.600897]  apic_timer_interrupt+0xf/0x20
[  354.605118]  </IRQ>
[  354.607349] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  354.612272] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  354.631164] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  354.638864] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  354.646125] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  354.653385] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  354.660651] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  354.667910] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  354.675205]  skb_clone+0x1bb/0x500
[  354.678747]  ? finish_task_switch+0x2f4/0x910
[  354.683235]  ? skb_split+0x11e0/0x11e0
[  354.687120]  ? preempt_notifier_register+0x200/0x200
[  354.692231]  ? __switch_to_asm+0x34/0x70
[  354.696285]  ? __switch_to_asm+0x34/0x70
[  354.700338]  ? __switch_to_asm+0x40/0x70
[  354.704396]  ? __switch_to_asm+0x34/0x70
[  354.708452]  ? __switch_to_asm+0x40/0x70
[  354.712501]  ? __switch_to_asm+0x34/0x70
[  354.716554]  ? __switch_to_asm+0x40/0x70
[  354.720604]  ? __switch_to_asm+0x34/0x70
[  354.724698]  ? __switch_to_asm+0x34/0x70
[  354.728756]  ? __switch_to_asm+0x40/0x70
[  354.732811]  ? __switch_to_asm+0x34/0x70
[  354.736874]  bpf_clone_redirect+0xb9/0x490
[  354.741104]  ? __schedule+0x8d7/0x21d0
[  354.744993]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  354.749917]  ? __sched_text_start+0x8/0x8
[  354.754062]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  354.758646]  ? retint_kernel+0x2d/0x2d
[  354.762530]  ? trace_hardirqs_on_caller+0xc0/0x310
[  354.767457]  ? find_held_lock+0x36/0x1c0
[  354.771521]  ? lock_acquire+0x1ed/0x520
[  354.775490]  ? bpf_test_run+0x3cb/0x780
[  354.779459]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.784989]  ? check_preemption_disabled+0x48/0x280
[  354.790024]  ? kasan_check_read+0x11/0x20
[  354.794166]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  354.799439]  ? rcu_softirq_qs+0x20/0x20
[  354.803409]  ? preempt_schedule+0x4d/0x60
[  354.807552]  ? ___preempt_schedule+0x16/0x18
[  354.811961]  ? bpf_test_run+0x25d/0x780
[  354.815939]  ? netlink_diag_dump+0x2a0/0x2a0
[  354.820344]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  354.825874]  ? bpf_test_init.isra.10+0x70/0x100
[  354.830541]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  354.835302]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  354.840141]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  354.845674]  ? fput+0x130/0x1a0
[  354.848948]  ? __bpf_prog_get+0x9b/0x290
[  354.853005]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  354.857846]  ? bpf_prog_test_run+0x130/0x1a0
[  354.862252]  ? __x64_sys_bpf+0x3d8/0x520
[  354.866317]  ? bpf_prog_get+0x20/0x20
[  354.870133]  ? do_syscall_64+0x1b9/0x820
[  354.874187]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  354.879550]  ? syscall_return_slowpath+0x5e0/0x5e0
[  354.884477]  ? trace_hardirqs_on_caller+0x310/0x310
[  354.889494]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  354.894505]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  354.901167]  ? __switch_to_asm+0x40/0x70
[  354.905221]  ? __switch_to_asm+0x34/0x70
[  354.909282]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  354.914123]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  354.919496] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  354.919557] aoe: skb alloc failure
[  354.926337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  354.926344] Call Trace:
[  354.929920] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  354.939213]  dump_stack+0x244/0x39d
[  354.941768] syz-executor4 cpuset=syz4 mems_allowed=0
[  354.952249]  ? dump_stack_print_info.cold.1+0x20/0x20
[  354.966121]  warn_alloc.cold.116+0xb7/0x1bd
[  354.970437]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  354.975277]  ? lock_downgrade+0x900/0x900
[  354.979428]  ? trace_hardirqs_off+0xb8/0x310
[  354.983837]  ? trace_hardirqs_off+0xb8/0x310
[  354.988246]  __alloc_pages_slowpath+0x26e8/0x2e10
[  354.993116]  ? warn_alloc+0x120/0x120
[  354.996919]  ? warn_alloc+0x120/0x120
[  355.000720]  ? warn_alloc+0x120/0x120
[  355.004511]  ? warn_alloc+0x120/0x120
[  355.008307]  ? print_usage_bug+0xc0/0xc0
[  355.012363]  ? print_usage_bug+0xc0/0xc0
[  355.016430]  ? print_usage_bug+0xc0/0xc0
[  355.020492]  ? __lock_acquire+0x62f/0x4c20
[  355.024732]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  355.030263]  ? should_fail+0x22d/0xd01
[  355.034145]  ? should_fail+0x22d/0xd01
[  355.038032]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  355.043142]  ? __lock_acquire+0x62f/0x4c20
[  355.047375]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  355.052468]  ? __lock_acquire+0x62f/0x4c20
[  355.056695]  ? should_fail+0x22d/0xd01
[  355.060574]  ? should_fail+0x22d/0xd01
[  355.064461]  ? find_held_lock+0x36/0x1c0
[  355.068529]  ? mark_held_locks+0x130/0x130
[  355.072763]  ? mark_held_locks+0x130/0x130
[  355.076988]  ? zap_class+0x640/0x640
[  355.080701]  ? zap_class+0x640/0x640
[  355.084428]  ? __lock_acquire+0x62f/0x4c20
[  355.088662]  ? zap_class+0x640/0x640
[  355.092377]  ? print_usage_bug+0xc0/0xc0
[  355.096436]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.101969]  ? check_preemption_disabled+0x48/0x280
[  355.107094]  ? __lock_is_held+0xb5/0x140
[  355.111162]  __alloc_pages_nodemask+0xa80/0xde0
[  355.115912]  ? zap_class+0x640/0x640
[  355.119626]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  355.124651]  ? find_held_lock+0x36/0x1c0
[  355.128714]  ? ____cache_alloc_node+0x1c7/0x1e0
[  355.133380]  ? lock_downgrade+0x900/0x900
[  355.137529]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.143066]  cache_grow_begin+0xa5/0x8c0
[  355.147125]  ? do_raw_spin_unlock+0xa7/0x330
[  355.151534]  fallback_alloc+0x204/0x2e0
[  355.155509]  ____cache_alloc_node+0x1c7/0x1e0
[  355.160018]  kmem_cache_alloc_node+0xe3/0x730
[  355.164510]  ? ipv6_get_ifaddr+0x42e/0x620
[  355.168749]  __alloc_skb+0x119/0x770
[  355.172454]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  355.177817]  ? netdev_alloc_frag+0x1f0/0x1f0
[  355.182223]  ? lock_downgrade+0x900/0x900
[  355.186374]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.191907]  ? refcount_sub_and_test_checked+0x203/0x310
[  355.197357]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  355.202805]  ? addrconf_rs_timer+0x690/0x690
[  355.207219]  ndisc_alloc_skb+0x144/0x340
[  355.211277]  ndisc_send_rs+0x331/0x6e0
[  355.215168]  addrconf_rs_timer+0x314/0x690
[  355.219401]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  355.223644]  call_timer_fn+0x272/0x920
[  355.227526]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  355.231757]  ? process_timeout+0x40/0x40
[  355.235820]  ? __run_timers+0x7da/0xc70
[  355.239788]  ? _raw_spin_unlock_irq+0x27/0x80
[  355.244276]  ? _raw_spin_unlock_irq+0x27/0x80
[  355.248765]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  355.252998]  ? lockdep_hardirqs_on+0x296/0x5b0
[  355.257588]  ? trace_hardirqs_on+0xbd/0x310
[  355.261903]  ? kasan_check_read+0x11/0x20
[  355.266044]  ? __run_timers+0x7da/0xc70
[  355.270011]  ? trace_hardirqs_off_caller+0x310/0x310
[  355.275122]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  355.279452]  __run_timers+0x7e5/0xc70
[  355.283262]  ? timer_fixup_init+0x70/0x70
[  355.287409]  ? _raw_spin_unlock_irq+0x27/0x80
[  355.291896]  ? _raw_spin_unlock_irq+0x27/0x80
[  355.296389]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  355.300966]  ? trace_hardirqs_on+0xbd/0x310
[  355.305279]  ? kasan_check_read+0x11/0x20
[  355.309425]  ? finish_task_switch+0x1f4/0x910
[  355.313915]  ? trace_hardirqs_off_caller+0x310/0x310
[  355.319018]  ? compat_start_thread+0x80/0x80
[  355.323441]  ? pvclock_read_flags+0x160/0x160
[  355.327926]  ? __switch_to_asm+0x34/0x70
[  355.331988]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.337519]  ? check_preemption_disabled+0x48/0x280
[  355.342543]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  355.348092]  ? rcu_pm_notify+0xc0/0xc0
[  355.351974]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.357508]  ? check_preemption_disabled+0x48/0x280
[  355.362521]  run_timer_softirq+0x52/0xb0
[  355.366599]  ? rcu_read_lock_sched_held+0x14f/0x180
[  355.371614]  __do_softirq+0x308/0xb7e
[  355.375429]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  355.380529]  ? trace_hardirqs_off+0xb8/0x310
[  355.384950]  ? rcu_irq_enter+0x18c/0x310
[  355.389117]  ? schedule+0x108/0x460
[  355.392739]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  355.397496]  ? trace_hardirqs_off+0xb8/0x310
[  355.401898]  ? smpboot_thread_fn+0x68b/0xa00
[  355.406306]  ? trace_hardirqs_on+0x310/0x310
[  355.410709]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  355.416249]  ? check_preemption_disabled+0x48/0x280
[  355.421261]  ? takeover_tasklets+0xa90/0xa90
[  355.425662]  run_ksoftirqd+0x5e/0x100
[  355.429458]  smpboot_thread_fn+0x68b/0xa00
[  355.433698]  ? sort_range+0x30/0x30
[  355.437317]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  355.442413]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  355.447962]  ? __kthread_parkme+0xfb/0x1a0
[  355.452194]  ? sort_range+0x30/0x30
[  355.455815]  kthread+0x35a/0x440
[  355.459178]  ? kthread_stop+0x900/0x900
[  355.463162]  ret_from_fork+0x3a/0x50
[  355.466897] warn_alloc_show_mem: 1 callbacks suppressed
[  355.466906] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  355.466926] Mem-Info:
[  355.466954] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  355.466954]  active_file:16 inactive_file:14 isolated_file:0
[  355.466954]  unevictable:0 dirty:0 writeback:0 unstable:0
[  355.466954]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  355.466954]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  355.466954]  free:13767 free_pcp:490 free_cma:0
[  355.472288] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  355.479553] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  355.481945] Call Trace:
[  355.514974] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  355.524314]  <IRQ>
[  355.551972] lowmem_reserve[]: 0 2818 6321 6321
[  355.554562]  dump_stack+0x244/0x39d
[  355.580656] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  355.582801]  ? dump_stack_print_info.cold.1+0x20/0x20
[  355.587348] lowmem_reserve[]: 0 0 3503 3503
[  355.590973]  warn_alloc.cold.116+0xb7/0x1bd
[  355.618541] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  355.623750]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  355.628037] lowmem_reserve[]: 0 0 0 0
[  355.632354]  ? lock_downgrade+0x900/0x900
[  355.661474] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  355.666314]  ? trace_hardirqs_off+0xb8/0x310
[  355.670088] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  355.674239]  ? trace_hardirqs_off+0xb8/0x310
[  355.687730] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  355.692134]  __alloc_pages_slowpath+0x26e8/0x2e10
[  355.707451] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  355.711869]  ? warn_alloc+0x120/0x120
[  355.726909] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  355.731739]  ? warn_alloc+0x120/0x120
[  355.740635] 1997 total pagecache pages
[  355.744421]  ? warn_alloc+0x120/0x120
[  355.752970] 0 pages in swap cache
[  355.756751]  ? print_usage_bug+0xc0/0xc0
[  355.760686] Swap cache stats: add 0, delete 0, find 0/0
[  355.764473]  ? print_usage_bug+0xc0/0xc0
[  355.767898] Free swap  = 0kB
[  355.771941]  ? ktime_get+0x2c1/0x400
[  355.777274] Total swap = 0kB
[  355.781324]  ? check_preemption_disabled+0x48/0x280
[  355.784313] 1965979 pages RAM
[  355.788024]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  355.791015] 0 pages HighMem/MovableOnly
[  355.796017]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  355.799090] 342853 pages reserved
[  355.799097] 0 pages cma reserved
[  355.803581]  ? should_fail+0x22d/0xd01
[  355.807698] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  355.813159]  ? kasan_check_read+0x11/0x20
[  355.813175]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  355.813190]  ? __lock_acquire+0x62f/0x4c20
[  355.816678] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  355.819988]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  355.823852] ksoftirqd/1 cpuset=/ mems_allowed=0
[  355.830329]  ? should_fail+0x22d/0xd01
[  355.867661]  ? print_usage_bug+0xc0/0xc0
[  355.871727]  ? mark_held_locks+0x130/0x130
[  355.875956]  ? mark_held_locks+0x130/0x130
[  355.880185]  ? check_preemption_disabled+0x48/0x280
[  355.885200]  ? zap_class+0x640/0x640
[  355.888909]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  355.893663]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.899195]  ? check_preemption_disabled+0x48/0x280
[  355.904213]  ? __lock_is_held+0xb5/0x140
[  355.908283]  __alloc_pages_nodemask+0xa80/0xde0
[  355.912947]  ? zap_class+0x640/0x640
[  355.916662]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  355.921696]  ? find_held_lock+0x36/0x1c0
[  355.925759]  ? ____cache_alloc_node+0x1c7/0x1e0
[  355.930423]  ? lock_downgrade+0x900/0x900
[  355.934573]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.940108]  cache_grow_begin+0xa5/0x8c0
[  355.944162]  ? do_raw_spin_unlock+0xa7/0x330
[  355.948577]  fallback_alloc+0x204/0x2e0
[  355.952559]  ____cache_alloc_node+0x1c7/0x1e0
[  355.957161]  kmem_cache_alloc_node+0xe3/0x730
[  355.961652]  ? lockdep_hardirqs_on+0x296/0x5b0
[  355.966237]  __alloc_skb+0x119/0x770
[  355.969943]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  355.975303]  ? netdev_alloc_frag+0x1f0/0x1f0
[  355.980170]  ? vprintk_default+0x28/0x30
[  355.984230]  ? vprintk_func+0x85/0x181
[  355.988129]  ? printk+0xa7/0xcf
[  355.991407]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  355.996161]  ? do_raw_spin_trylock+0x270/0x270
[  356.000748]  new_skb+0x26/0x1c0
[  356.004028]  aoecmd_cfg+0x279/0x7f0
[  356.007649]  ? find_held_lock+0x36/0x1c0
[  356.011711]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  356.016032]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.021578]  ? __lock_is_held+0xb5/0x140
[  356.025643]  discover_timer+0x50/0x60
[  356.029441]  call_timer_fn+0x272/0x920
[  356.033420]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  356.038259]  ? process_timeout+0x40/0x40
[  356.042320]  ? __run_timers+0x7da/0xc70
[  356.046295]  ? _raw_spin_unlock_irq+0x27/0x80
[  356.050785]  ? _raw_spin_unlock_irq+0x27/0x80
[  356.055276]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  356.060112]  ? lockdep_hardirqs_on+0x296/0x5b0
[  356.064690]  ? trace_hardirqs_on+0xbd/0x310
[  356.069006]  ? kasan_check_read+0x11/0x20
[  356.073146]  ? __run_timers+0x7da/0xc70
[  356.077115]  ? trace_hardirqs_off_caller+0x310/0x310
[  356.082243]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  356.087077]  __run_timers+0x7e5/0xc70
[  356.090880]  ? timer_fixup_init+0x70/0x70
[  356.095023]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  356.100039]  ? zap_class+0x640/0x640
[  356.103751]  ? enqueue_hrtimer+0x1a5/0x560
[  356.107981]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  356.113172]  ? find_held_lock+0x36/0x1c0
[  356.117234]  ? zap_class+0x640/0x640
[  356.120947]  ? pvclock_read_flags+0x160/0x160
[  356.125441]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.130972]  ? check_preemption_disabled+0x48/0x280
[  356.135988]  ? __lock_is_held+0xb5/0x140
[  356.140059]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.145889]  ? check_preemption_disabled+0x48/0x280
[  356.150912]  run_timer_softirq+0x52/0xb0
[  356.154980]  ? rcu_read_lock_sched_held+0x14f/0x180
[  356.159999]  __do_softirq+0x308/0xb7e
[  356.163797]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  356.168304]  ? lock_downgrade+0x900/0x900
[  356.172451]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  356.177562]  ? pvclock_read_flags+0x160/0x160
[  356.182054]  ? lapic_next_event+0x5a/0x90
[  356.186206]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.191742]  ? kvm_clock_read+0x18/0x30
[  356.195715]  ? kvm_sched_clock_read+0x9/0x20
[  356.200118]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.205649]  ? check_preemption_disabled+0x48/0x280
[  356.210670]  irq_exit+0x17f/0x1c0
[  356.214123]  smp_apic_timer_interrupt+0x1cb/0x760
[  356.218958]  ? smp_reschedule_interrupt+0x109/0x650
[  356.223969]  ? smp_call_function_single_interrupt+0x650/0x650
[  356.229850]  ? interrupt_entry+0xb5/0xc0
[  356.233905]  ? trace_hardirqs_off_caller+0xbb/0x310
[  356.238912]  ? trace_hardirqs_off_caller+0xbb/0x310
[  356.243923]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  356.248760]  ? trace_hardirqs_on_caller+0x310/0x310
[  356.253768]  ? trace_hardirqs_on_caller+0x310/0x310
[  356.258778]  ? task_prio+0x50/0x50
[  356.262311]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.267843]  ? check_preemption_disabled+0x48/0x280
[  356.272858]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  356.277702]  apic_timer_interrupt+0xf/0x20
[  356.281921]  </IRQ>
[  356.284156] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  356.289087] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  356.307978] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  356.315676] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  356.322939] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  356.330200] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  356.337460] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  356.344832] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  356.352160]  skb_clone+0x1bb/0x500
[  356.355694]  ? finish_task_switch+0x2f4/0x910
[  356.360187]  ? skb_split+0x11e0/0x11e0
[  356.364085]  ? preempt_notifier_register+0x200/0x200
[  356.369179]  ? __switch_to_asm+0x34/0x70
[  356.373230]  ? __switch_to_asm+0x34/0x70
[  356.377293]  ? __switch_to_asm+0x40/0x70
[  356.381345]  ? __switch_to_asm+0x34/0x70
[  356.385396]  ? __switch_to_asm+0x40/0x70
[  356.389447]  ? __switch_to_asm+0x34/0x70
[  356.393513]  ? __switch_to_asm+0x40/0x70
[  356.397564]  ? __switch_to_asm+0x34/0x70
[  356.401655]  ? __switch_to_asm+0x34/0x70
[  356.405716]  ? __switch_to_asm+0x40/0x70
[  356.409768]  ? __switch_to_asm+0x34/0x70
[  356.413826]  bpf_clone_redirect+0xb9/0x490
[  356.418056]  ? __schedule+0x8d7/0x21d0
[  356.421942]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  356.426868]  ? __sched_text_start+0x8/0x8
[  356.431023]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  356.435601]  ? retint_kernel+0x2d/0x2d
[  356.439490]  ? trace_hardirqs_on_caller+0xc0/0x310
[  356.444420]  ? find_held_lock+0x36/0x1c0
[  356.448492]  ? lock_acquire+0x1ed/0x520
[  356.452493]  ? bpf_test_run+0x3cb/0x780
[  356.456472]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.462026]  ? check_preemption_disabled+0x48/0x280
[  356.467046]  ? kasan_check_read+0x11/0x20
[  356.471187]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  356.476459]  ? rcu_softirq_qs+0x20/0x20
[  356.480438]  ? preempt_schedule+0x4d/0x60
[  356.484583]  ? ___preempt_schedule+0x16/0x18
[  356.488997]  ? bpf_test_run+0x25d/0x780
[  356.492978]  ? netlink_diag_dump+0x2a0/0x2a0
[  356.497746]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  356.503367]  ? bpf_test_init.isra.10+0x70/0x100
[  356.508036]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  356.512795]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  356.517636]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  356.523166]  ? fput+0x130/0x1a0
[  356.526440]  ? __bpf_prog_get+0x9b/0x290
[  356.530510]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  356.535343]  ? bpf_prog_test_run+0x130/0x1a0
[  356.539747]  ? __x64_sys_bpf+0x3d8/0x520
[  356.543802]  ? bpf_prog_get+0x20/0x20
[  356.547701]  ? do_syscall_64+0x1b9/0x820
[  356.551768]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  356.557127]  ? syscall_return_slowpath+0x5e0/0x5e0
[  356.562057]  ? trace_hardirqs_on_caller+0x310/0x310
[  356.567071]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  356.572081]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  356.578830]  ? __switch_to_asm+0x40/0x70
[  356.582882]  ? __switch_to_asm+0x34/0x70
[  356.586945]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  356.591790]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  356.597170] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  356.597229] aoe: skb alloc failure
[  356.604012] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  356.604017] Call Trace:
[  356.604033]  dump_stack+0x244/0x39d
[  356.604050]  ? dump_stack_print_info.cold.1+0x20/0x20
[  356.604077]  warn_alloc.cold.116+0xb7/0x1bd
[  356.607630] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  356.616930]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  356.619494] syz-executor4 cpuset=syz4 mems_allowed=0
[  356.623106]  ? lock_downgrade+0x900/0x900
[  356.657101]  ? trace_hardirqs_off+0xb8/0x310
[  356.661519]  ? trace_hardirqs_off+0xb8/0x310
[  356.665933]  __alloc_pages_slowpath+0x26e8/0x2e10
[  356.670809]  ? warn_alloc+0x120/0x120
[  356.674612]  ? print_usage_bug+0xc0/0xc0
[  356.678667]  ? warn_alloc+0x120/0x120
[  356.682474]  ? warn_alloc+0x120/0x120
[  356.686285]  ? print_usage_bug+0xc0/0xc0
[  356.690345]  ? print_usage_bug+0xc0/0xc0
[  356.694404]  ? __lock_acquire+0x62f/0x4c20
[  356.698639]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  356.704171]  ? should_fail+0x22d/0xd01
[  356.708055]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  356.713150]  ? __lock_acquire+0x62f/0x4c20
[  356.717383]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  356.722484]  ? __lock_acquire+0x62f/0x4c20
[  356.726716]  ? should_fail+0x22d/0xd01
[  356.730612]  ? find_held_lock+0x36/0x1c0
[  356.734689]  ? mark_held_locks+0x130/0x130
[  356.738924]  ? mark_held_locks+0x130/0x130
[  356.743157]  ? zap_class+0x640/0x640
[  356.746877]  ? zap_class+0x640/0x640
[  356.750587]  ? print_usage_bug+0xc0/0xc0
[  356.754642]  ? do_raw_spin_unlock+0xa7/0x330
[  356.759064]  ? zap_class+0x640/0x640
[  356.762777]  ? print_usage_bug+0xc0/0xc0
[  356.766830]  ? wq_watchdog_touch+0x9c/0xfe
[  356.771061]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.776594]  ? check_preemption_disabled+0x48/0x280
[  356.781613]  ? __lock_is_held+0xb5/0x140
[  356.785682]  __alloc_pages_nodemask+0xa80/0xde0
[  356.790344]  ? zap_class+0x640/0x640
[  356.794061]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  356.799082]  ? find_held_lock+0x36/0x1c0
[  356.803147]  ? ____cache_alloc_node+0x1c7/0x1e0
[  356.807816]  ? lock_downgrade+0x900/0x900
[  356.811964]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.817509]  cache_grow_begin+0xa5/0x8c0
[  356.821571]  ? do_raw_spin_unlock+0xa7/0x330
[  356.825984]  fallback_alloc+0x204/0x2e0
[  356.829981]  ____cache_alloc_node+0x1c7/0x1e0
[  356.834481]  kmem_cache_alloc_node+0xe3/0x730
[  356.838980]  ? ipv6_get_ifaddr+0x42e/0x620
[  356.843306]  __alloc_skb+0x119/0x770
[  356.847014]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  356.852293]  ? netdev_alloc_frag+0x1f0/0x1f0
[  356.856696]  ? lock_downgrade+0x900/0x900
[  356.860845]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.866381]  ? refcount_sub_and_test_checked+0x203/0x310
[  356.871846]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  356.877291]  ? addrconf_rs_timer+0x690/0x690
[  356.881705]  ndisc_alloc_skb+0x144/0x340
[  356.885764]  ndisc_send_rs+0x331/0x6e0
[  356.889650]  addrconf_rs_timer+0x314/0x690
[  356.893887]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  356.898125]  call_timer_fn+0x272/0x920
[  356.902007]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  356.906238]  ? process_timeout+0x40/0x40
[  356.910300]  ? __run_timers+0x7da/0xc70
[  356.914269]  ? _raw_spin_unlock_irq+0x27/0x80
[  356.918761]  ? _raw_spin_unlock_irq+0x27/0x80
[  356.923248]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  356.927483]  ? lockdep_hardirqs_on+0x296/0x5b0
[  356.932064]  ? trace_hardirqs_on+0xbd/0x310
[  356.936381]  ? kasan_check_read+0x11/0x20
[  356.940526]  ? __run_timers+0x7da/0xc70
[  356.944502]  ? trace_hardirqs_off_caller+0x310/0x310
[  356.949609]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  356.953843]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  356.958069]  __run_timers+0x7e5/0xc70
[  356.961874]  ? timer_fixup_init+0x70/0x70
[  356.966020]  ? _raw_spin_unlock_irq+0x27/0x80
[  356.970510]  ? _raw_spin_unlock_irq+0x27/0x80
[  356.975000]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  356.979605]  ? trace_hardirqs_on+0xbd/0x310
[  356.983921]  ? kasan_check_read+0x11/0x20
[  356.988065]  ? finish_task_switch+0x1f4/0x910
[  356.992570]  ? trace_hardirqs_off_caller+0x310/0x310
[  356.997666]  ? compat_start_thread+0x80/0x80
[  357.002092]  ? pvclock_read_flags+0x160/0x160
[  357.006581]  ? __switch_to_asm+0x34/0x70
[  357.010642]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.016175]  ? check_preemption_disabled+0x48/0x280
[  357.021193]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  357.026732]  ? rcu_pm_notify+0xc0/0xc0
[  357.030614]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.036161]  ? check_preemption_disabled+0x48/0x280
[  357.041180]  run_timer_softirq+0x52/0xb0
[  357.045236]  ? rcu_read_lock_sched_held+0x14f/0x180
[  357.050252]  __do_softirq+0x308/0xb7e
[  357.054057]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  357.059157]  ? trace_hardirqs_off+0xb8/0x310
[  357.063559]  ? rcu_irq_enter+0x18c/0x310
[  357.067620]  ? schedule+0x108/0x460
[  357.071243]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  357.076004]  ? trace_hardirqs_off+0xb8/0x310
[  357.080413]  ? smpboot_thread_fn+0x68b/0xa00
[  357.084821]  ? trace_hardirqs_on+0x310/0x310
[  357.089228]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  357.094759]  ? check_preemption_disabled+0x48/0x280
[  357.099770]  ? takeover_tasklets+0xa90/0xa90
[  357.104178]  run_ksoftirqd+0x5e/0x100
[  357.107975]  smpboot_thread_fn+0x68b/0xa00
[  357.112214]  ? sort_range+0x30/0x30
[  357.115835]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  357.120932]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  357.126468]  ? __kthread_parkme+0xfb/0x1a0
[  357.130702]  ? sort_range+0x30/0x30
[  357.134326]  kthread+0x35a/0x440
[  357.137688]  ? kthread_stop+0x900/0x900
[  357.141660]  ret_from_fork+0x3a/0x50
[  357.145380] warn_alloc_show_mem: 1 callbacks suppressed
[  357.145389] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  357.145391] Mem-Info:
[  357.145420] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  357.145420]  active_file:16 inactive_file:14 isolated_file:0
[  357.145420]  unevictable:0 dirty:0 writeback:0 unstable:0
[  357.145420]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  357.145420]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  357.145420]  free:13767 free_pcp:490 free_cma:0
[  357.150756] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  357.150763] Call Trace:
[  357.158034] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  357.160424]  <IRQ>
[  357.193462] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  357.202809]  dump_stack+0x244/0x39d
[  357.205362] lowmem_reserve[]: 0 2818 6321 6321
[  357.233049]  ? dump_stack_print_info.cold.1+0x20/0x20
[  357.235169] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  357.261279]  warn_alloc.cold.116+0xb7/0x1bd
[  357.264871] lowmem_reserve[]: 0 0 3503 3503
[  357.269452]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  357.274629] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  357.302119]  ? lock_downgrade+0x900/0x900
[  357.306403] lowmem_reserve[]: 0 0 0 0
[  357.310731]  ? trace_hardirqs_off+0xb8/0x310
[  357.315543] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  357.344692]  ? trace_hardirqs_off+0xb8/0x310
[  357.348811] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  357.352609]  __alloc_pages_slowpath+0x26e8/0x2e10
[  357.356983] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  357.370522]  ? warn_alloc+0x120/0x120
[  357.374890] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  357.390220]  ? warn_alloc+0x120/0x120
[  357.395036] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  357.410102]  ? warn_alloc+0x120/0x120
[  357.413875] 1997 total pagecache pages
[  357.422690]  ? mark_held_locks+0x130/0x130
[  357.422705]  ? print_usage_bug+0xc0/0xc0
[  357.426484] 0 pages in swap cache
[  357.435040]  ? print_usage_bug+0xc0/0xc0
[  357.438811] Swap cache stats: add 0, delete 0, find 0/0
[  357.442689]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.446894] Free swap  = 0kB
[  357.450935]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  357.450950]  ? should_fail+0x22d/0xd01
[  357.454368] Total swap = 0kB
[  357.454375] 1965979 pages RAM
[  357.458510]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  357.463837] 0 pages HighMem/MovableOnly
[  357.463845] 342853 pages reserved
[  357.469369]  ? __lock_acquire+0x62f/0x4c20
[  357.472361] 0 pages cma reserved
[  357.477886]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  357.481802] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  357.484744]  ? __lock_acquire+0x62f/0x4c20
[  357.484758]  ? should_fail+0x22d/0xd01
[  357.488007] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  357.493053]  ? mark_held_locks+0x130/0x130
[  357.496992] ksoftirqd/1 cpuset=/ mems_allowed=0
[  357.500446]  ? mark_held_locks+0x130/0x130
[  357.551237]  ? trace_hardirqs_on+0x310/0x310
[  357.555651]  ? wq_watchdog_touch+0x9c/0xfe
[  357.559887]  ? zap_class+0x640/0x640
[  357.563593]  ? print_usage_bug+0xc0/0xc0
[  357.567648]  ? find_held_lock+0x36/0x1c0
[  357.571704]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.577238]  ? check_preemption_disabled+0x48/0x280
[  357.582262]  ? __lock_is_held+0xb5/0x140
[  357.586321]  __alloc_pages_nodemask+0xa80/0xde0
[  357.590985]  ? zap_class+0x640/0x640
[  357.594695]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  357.599715]  ? find_held_lock+0x36/0x1c0
[  357.603779]  ? ____cache_alloc_node+0x1c7/0x1e0
[  357.608445]  ? lock_downgrade+0x900/0x900
[  357.612593]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.618133]  cache_grow_begin+0xa5/0x8c0
[  357.622190]  ? do_raw_spin_unlock+0xa7/0x330
[  357.626598]  fallback_alloc+0x204/0x2e0
[  357.630577]  ____cache_alloc_node+0x1c7/0x1e0
[  357.635077]  kmem_cache_alloc_node+0xe3/0x730
[  357.639568]  ? ipv6_get_ifaddr+0x42e/0x620
[  357.643807]  __alloc_skb+0x119/0x770
[  357.647513]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  357.652788]  ? netdev_alloc_frag+0x1f0/0x1f0
[  357.657191]  ? lock_downgrade+0x900/0x900
[  357.661343]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.666872]  ? refcount_sub_and_test_checked+0x203/0x310
[  357.672323]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  357.677766]  ? addrconf_rs_timer+0x690/0x690
[  357.682265]  ndisc_alloc_skb+0x144/0x340
[  357.686323]  ndisc_send_rs+0x331/0x6e0
[  357.690229]  addrconf_rs_timer+0x314/0x690
[  357.694465]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  357.698702]  call_timer_fn+0x272/0x920
[  357.702584]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  357.706815]  ? process_timeout+0x40/0x40
[  357.710893]  ? __run_timers+0x7da/0xc70
[  357.714865]  ? _raw_spin_unlock_irq+0x27/0x80
[  357.719353]  ? _raw_spin_unlock_irq+0x27/0x80
[  357.723840]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  357.728069]  ? lockdep_hardirqs_on+0x296/0x5b0
[  357.732647]  ? trace_hardirqs_on+0xbd/0x310
[  357.736971]  ? kasan_check_read+0x11/0x20
[  357.741109]  ? __run_timers+0x7da/0xc70
[  357.745078]  ? trace_hardirqs_off_caller+0x310/0x310
[  357.750182]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  357.755028]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  357.759258]  __run_timers+0x7e5/0xc70
[  357.763064]  ? timer_fixup_init+0x70/0x70
[  357.767207]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  357.772219]  ? zap_class+0x640/0x640
[  357.775932]  ? enqueue_hrtimer+0x1a5/0x560
[  357.780164]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  357.785357]  ? find_held_lock+0x36/0x1c0
[  357.789432]  ? zap_class+0x640/0x640
[  357.793144]  ? pvclock_read_flags+0x160/0x160
[  357.797637]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.803173]  ? check_preemption_disabled+0x48/0x280
[  357.808206]  ? __lock_is_held+0xb5/0x140
[  357.812266]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.817800]  ? check_preemption_disabled+0x48/0x280
[  357.822815]  run_timer_softirq+0x52/0xb0
[  357.826872]  ? rcu_read_lock_sched_held+0x14f/0x180
[  357.831884]  __do_softirq+0x308/0xb7e
[  357.835703]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  357.840193]  ? lock_downgrade+0x900/0x900
[  357.844344]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  357.849452]  ? pvclock_read_flags+0x160/0x160
[  357.853943]  ? lapic_next_event+0x5a/0x90
[  357.858089]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.863718]  ? kvm_clock_read+0x18/0x30
[  357.867687]  ? kvm_sched_clock_read+0x9/0x20
[  357.872095]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.877629]  ? check_preemption_disabled+0x48/0x280
[  357.882648]  irq_exit+0x17f/0x1c0
[  357.886097]  smp_apic_timer_interrupt+0x1cb/0x760
[  357.890931]  ? smp_reschedule_interrupt+0x109/0x650
[  357.895940]  ? smp_call_function_single_interrupt+0x650/0x650
[  357.901820]  ? interrupt_entry+0xb5/0xc0
[  357.905884]  ? trace_hardirqs_off_caller+0xbb/0x310
[  357.910897]  ? trace_hardirqs_off_caller+0xbb/0x310
[  357.915911]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  357.920751]  ? trace_hardirqs_on_caller+0x310/0x310
[  357.925761]  ? trace_hardirqs_on_caller+0x310/0x310
[  357.930788]  ? task_prio+0x50/0x50
[  357.934323]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.939856]  ? check_preemption_disabled+0x48/0x280
[  357.944874]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  357.949718]  apic_timer_interrupt+0xf/0x20
[  357.953946]  </IRQ>
[  357.956281] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  357.961209] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  357.980621] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  357.988327] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  357.995691] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  358.002952] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  358.010215] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  358.017479] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  358.024795]  skb_clone+0x1bb/0x500
[  358.028331]  ? finish_task_switch+0x2f4/0x910
[  358.032828]  ? skb_split+0x11e0/0x11e0
[  358.036718]  ? preempt_notifier_register+0x200/0x200
[  358.041812]  ? __switch_to_asm+0x34/0x70
[  358.045865]  ? __switch_to_asm+0x34/0x70
[  358.049921]  ? __switch_to_asm+0x40/0x70
[  358.053973]  ? __switch_to_asm+0x34/0x70
[  358.058025]  ? __switch_to_asm+0x40/0x70
[  358.062075]  ? __switch_to_asm+0x34/0x70
[  358.066129]  ? __switch_to_asm+0x40/0x70
[  358.070179]  ? __switch_to_asm+0x34/0x70
[  358.074236]  ? __switch_to_asm+0x34/0x70
[  358.078288]  ? __switch_to_asm+0x40/0x70
[  358.082341]  ? __switch_to_asm+0x34/0x70
[  358.086412]  bpf_clone_redirect+0xb9/0x490
[  358.090641]  ? __schedule+0x8d7/0x21d0
[  358.094532]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  358.099457]  ? __sched_text_start+0x8/0x8
[  358.103603]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  358.108178]  ? retint_kernel+0x2d/0x2d
[  358.112062]  ? trace_hardirqs_on_caller+0xc0/0x310
[  358.116992]  ? find_held_lock+0x36/0x1c0
[  358.121053]  ? lock_acquire+0x1ed/0x520
[  358.125037]  ? bpf_test_run+0x3cb/0x780
[  358.129018]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.134552]  ? check_preemption_disabled+0x48/0x280
[  358.139566]  ? kasan_check_read+0x11/0x20
[  358.143719]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  358.149228]  ? rcu_softirq_qs+0x20/0x20
[  358.153204]  ? preempt_schedule+0x4d/0x60
[  358.157346]  ? ___preempt_schedule+0x16/0x18
[  358.161783]  ? bpf_test_run+0x25d/0x780
[  358.165764]  ? netlink_diag_dump+0x2a0/0x2a0
[  358.170171]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  358.175700]  ? bpf_test_init.isra.10+0x70/0x100
[  358.180407]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  358.185171]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  358.190005]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  358.195535]  ? fput+0x130/0x1a0
[  358.198810]  ? __bpf_prog_get+0x9b/0x290
[  358.202870]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  358.207703]  ? bpf_prog_test_run+0x130/0x1a0
[  358.212107]  ? __x64_sys_bpf+0x3d8/0x520
[  358.216162]  ? bpf_prog_get+0x20/0x20
[  358.219979]  ? do_syscall_64+0x1b9/0x820
[  358.224032]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  358.229396]  ? syscall_return_slowpath+0x5e0/0x5e0
[  358.234323]  ? trace_hardirqs_on_caller+0x310/0x310
[  358.239357]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  358.244382]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  358.251038]  ? __switch_to_asm+0x40/0x70
[  358.255091]  ? __switch_to_asm+0x34/0x70
[  358.259150]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  358.263991]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  358.269372] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  358.269437] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  358.276218] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  358.276225] Call Trace:
[  358.282779] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  358.292047]  dump_stack+0x244/0x39d
[  358.294607] syz-executor4 cpuset=syz4 mems_allowed=0
[  358.305080]  ? dump_stack_print_info.cold.1+0x20/0x20
[  358.318952]  warn_alloc.cold.116+0xb7/0x1bd
[  358.323275]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  358.328116]  ? lock_downgrade+0x900/0x900
[  358.332266]  ? trace_hardirqs_off+0xb8/0x310
[  358.336674]  ? trace_hardirqs_off+0xb8/0x310
[  358.341084]  __alloc_pages_slowpath+0x26e8/0x2e10
[  358.345949]  ? warn_alloc+0x120/0x120
[  358.349745]  ? print_usage_bug+0xc0/0xc0
[  358.353804]  ? warn_alloc+0x120/0x120
[  358.357606]  ? warn_alloc+0x120/0x120
[  358.361406]  ? print_usage_bug+0xc0/0xc0
[  358.365468]  ? print_usage_bug+0xc0/0xc0
[  358.369531]  ? __lock_acquire+0x62f/0x4c20
[  358.373768]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  358.379305]  ? should_fail+0x22d/0xd01
[  358.383202]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  358.388302]  ? __lock_acquire+0x62f/0x4c20
[  358.392537]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  358.397632]  ? __lock_acquire+0x62f/0x4c20
[  358.401863]  ? should_fail+0x22d/0xd01
[  358.405744]  ? find_held_lock+0x36/0x1c0
[  358.409807]  ? mark_held_locks+0x130/0x130
[  358.414045]  ? mark_held_locks+0x130/0x130
[  358.418283]  ? zap_class+0x640/0x640
[  358.421999]  ? zap_class+0x640/0x640
[  358.425711]  ? print_usage_bug+0xc0/0xc0
[  358.430204]  ? do_raw_spin_unlock+0xa7/0x330
[  358.434610]  ? zap_class+0x640/0x640
[  358.438320]  ? print_usage_bug+0xc0/0xc0
[  358.442383]  ? wq_watchdog_touch+0x9c/0xfe
[  358.446621]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.452153]  ? check_preemption_disabled+0x48/0x280
[  358.457170]  ? __lock_is_held+0xb5/0x140
[  358.461230]  __alloc_pages_nodemask+0xa80/0xde0
[  358.465893]  ? zap_class+0x640/0x640
[  358.469692]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  358.474713]  ? find_held_lock+0x36/0x1c0
[  358.478779]  ? ____cache_alloc_node+0x1c7/0x1e0
[  358.483443]  ? lock_downgrade+0x900/0x900
[  358.487593]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.493144]  cache_grow_begin+0xa5/0x8c0
[  358.497202]  ? do_raw_spin_unlock+0xa7/0x330
[  358.501621]  fallback_alloc+0x204/0x2e0
[  358.505595]  ____cache_alloc_node+0x1c7/0x1e0
[  358.510086]  kmem_cache_alloc_node+0xe3/0x730
[  358.514577]  ? ipv6_get_ifaddr+0x42e/0x620
[  358.518814]  __alloc_skb+0x119/0x770
[  358.522527]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  358.527800]  ? netdev_alloc_frag+0x1f0/0x1f0
[  358.532201]  ? lock_downgrade+0x900/0x900
[  358.536358]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.541891]  ? refcount_sub_and_test_checked+0x203/0x310
[  358.547347]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  358.552794]  ? addrconf_rs_timer+0x690/0x690
[  358.557215]  ndisc_alloc_skb+0x144/0x340
[  358.561287]  ndisc_send_rs+0x331/0x6e0
[  358.565178]  addrconf_rs_timer+0x314/0x690
[  358.569419]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  358.573660]  call_timer_fn+0x272/0x920
[  358.577550]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  358.581777]  ? process_timeout+0x40/0x40
[  358.585845]  ? __run_timers+0x7da/0xc70
[  358.589815]  ? _raw_spin_unlock_irq+0x27/0x80
[  358.594311]  ? _raw_spin_unlock_irq+0x27/0x80
[  358.598806]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  358.603045]  ? lockdep_hardirqs_on+0x296/0x5b0
[  358.607628]  ? trace_hardirqs_on+0xbd/0x310
[  358.611943]  ? kasan_check_read+0x11/0x20
[  358.616082]  ? __run_timers+0x7da/0xc70
[  358.620053]  ? trace_hardirqs_off_caller+0x310/0x310
[  358.625157]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  358.629392]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  358.633621]  __run_timers+0x7e5/0xc70
[  358.637430]  ? timer_fixup_init+0x70/0x70
[  358.641578]  ? _raw_spin_unlock_irq+0x27/0x80
[  358.646085]  ? _raw_spin_unlock_irq+0x27/0x80
[  358.650576]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  358.655154]  ? trace_hardirqs_on+0xbd/0x310
[  358.659468]  ? kasan_check_read+0x11/0x20
[  358.663611]  ? finish_task_switch+0x1f4/0x910
[  358.668105]  ? trace_hardirqs_off_caller+0x310/0x310
[  358.673203]  ? compat_start_thread+0x80/0x80
[  358.677628]  ? pvclock_read_flags+0x160/0x160
[  358.682124]  ? __switch_to_asm+0x34/0x70
[  358.686180]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.691719]  ? check_preemption_disabled+0x48/0x280
[  358.696739]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  358.702270]  ? rcu_pm_notify+0xc0/0xc0
[  358.706164]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.711698]  ? check_preemption_disabled+0x48/0x280
[  358.716713]  run_timer_softirq+0x52/0xb0
[  358.720767]  ? rcu_read_lock_sched_held+0x14f/0x180
[  358.725777]  __do_softirq+0x308/0xb7e
[  358.729584]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  358.734682]  ? trace_hardirqs_off+0xb8/0x310
[  358.739092]  ? rcu_irq_enter+0x18c/0x310
[  358.743152]  ? schedule+0x108/0x460
[  358.746778]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  358.751536]  ? trace_hardirqs_off+0xb8/0x310
[  358.755942]  ? smpboot_thread_fn+0x68b/0xa00
[  358.760343]  ? trace_hardirqs_on+0x310/0x310
[  358.764753]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  358.770287]  ? check_preemption_disabled+0x48/0x280
[  358.775326]  ? takeover_tasklets+0xa90/0xa90
[  358.779729]  run_ksoftirqd+0x5e/0x100
[  358.783525]  smpboot_thread_fn+0x68b/0xa00
[  358.787776]  ? sort_range+0x30/0x30
[  358.791401]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  358.796501]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  358.802033]  ? __kthread_parkme+0xfb/0x1a0
[  358.806264]  ? sort_range+0x30/0x30
[  358.809899]  kthread+0x35a/0x440
[  358.813262]  ? kthread_stop+0x900/0x900
[  358.817231]  ret_from_fork+0x3a/0x50
[  358.820949] warn_alloc_show_mem: 1 callbacks suppressed
[  358.820959] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  358.820961] Mem-Info:
[  358.820990] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  358.820990]  active_file:16 inactive_file:14 isolated_file:0
[  358.820990]  unevictable:0 dirty:0 writeback:0 unstable:0
[  358.820990]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  358.820990]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  358.820990]  free:13767 free_pcp:490 free_cma:0
[  358.826368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  358.833635] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  358.836040] Call Trace:
[  358.869068] 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
[  358.878410]  <IRQ>
[  358.906053] lowmem_reserve[]: 0 2818 6321 6321
[  358.908628]  dump_stack+0x244/0x39d
[  358.934708] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  358.936853]  ? dump_stack_print_info.cold.1+0x20/0x20
[  358.941398] lowmem_reserve[]: 0 0 3503 3503
[  358.945031]  warn_alloc.cold.116+0xb7/0x1bd
[  358.972611] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  358.977792]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  358.982077] lowmem_reserve[]: 0 0 0 0
[  358.986397]  ? lock_downgrade+0x900/0x900
[  359.015527] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  359.020366]  ? trace_hardirqs_off+0xb8/0x310
[  359.024134] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  359.028278]  ? trace_hardirqs_off+0xb8/0x310
[  359.041777] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  359.046181]  __alloc_pages_slowpath+0x26e8/0x2e10
[  359.061501] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  359.065913]  ? warn_alloc+0x120/0x120
[  359.080950] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  359.085777]  ? print_usage_bug+0xc0/0xc0
[  359.094581] 1997 total pagecache pages
[  359.098369]  ? warn_alloc+0x120/0x120
[  359.106920] 0 pages in swap cache
[  359.110967]  ? warn_alloc+0x120/0x120
[  359.114827] Swap cache stats: add 0, delete 0, find 0/0
[  359.118610]  ? print_usage_bug+0xc0/0xc0
[  359.122037] Free swap  = 0kB
[  359.125825]  ? kvm_clock_read+0x18/0x30
[  359.131172] Total swap = 0kB
[  359.135219]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  359.138207] 1965979 pages RAM
[  359.142166]  ? print_usage_bug+0xc0/0xc0
[  359.145170] 0 pages HighMem/MovableOnly
[  359.145177] 342853 pages reserved
[  359.150195]  ? __lock_acquire+0x62f/0x4c20
[  359.153274] 0 pages cma reserved
[  359.157334]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  359.161345] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  359.164732]  ? should_fail+0x22d/0xd01
[  359.169016] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  359.172305]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  359.177811] ksoftirqd/1 cpuset=/ mems_allowed=0
[  359.184303]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  359.213457]  ? __lock_acquire+0x62f/0x4c20
[  359.217692]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  359.222788]  ? __lock_acquire+0x62f/0x4c20
[  359.227016]  ? should_fail+0x22d/0xd01
[  359.230910]  ? rcu_irq_exit+0x1a2/0x390
[  359.234887]  ? mark_held_locks+0x130/0x130
[  359.239119]  ? mark_held_locks+0x130/0x130
[  359.243353]  ? mark_held_locks+0xc7/0x130
[  359.247496]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  359.252506]  ? zap_class+0x640/0x640
[  359.256212]  ? print_usage_bug+0xc0/0xc0
[  359.260278]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.265834]  ? check_preemption_disabled+0x48/0x280
[  359.270853]  ? __lock_is_held+0xb5/0x140
[  359.274915]  __alloc_pages_nodemask+0xa80/0xde0
[  359.279594]  ? zap_class+0x640/0x640
[  359.283310]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  359.288330]  ? find_held_lock+0x36/0x1c0
[  359.292398]  ? ____cache_alloc_node+0x1c7/0x1e0
[  359.297060]  ? lock_downgrade+0x900/0x900
[  359.301212]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.306758]  cache_grow_begin+0xa5/0x8c0
[  359.310811]  ? do_raw_spin_unlock+0xa7/0x330
[  359.315224]  fallback_alloc+0x204/0x2e0
[  359.319215]  ____cache_alloc_node+0x1c7/0x1e0
[  359.323710]  kmem_cache_alloc_node+0xe3/0x730
[  359.328197]  ? ipv6_get_ifaddr+0x42e/0x620
[  359.332434]  __alloc_skb+0x119/0x770
[  359.336154]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  359.341432]  ? netdev_alloc_frag+0x1f0/0x1f0
[  359.345833]  ? lock_downgrade+0x900/0x900
[  359.349980]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.355510]  ? refcount_sub_and_test_checked+0x203/0x310
[  359.360960]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  359.366408]  ? addrconf_rs_timer+0x690/0x690
[  359.370833]  ndisc_alloc_skb+0x144/0x340
[  359.374891]  ndisc_send_rs+0x331/0x6e0
[  359.378782]  addrconf_rs_timer+0x314/0x690
[  359.383018]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  359.387255]  call_timer_fn+0x272/0x920
[  359.391149]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  359.395389]  ? process_timeout+0x40/0x40
[  359.399493]  ? __run_timers+0x7da/0xc70
[  359.403465]  ? _raw_spin_unlock_irq+0x27/0x80
[  359.407951]  ? _raw_spin_unlock_irq+0x27/0x80
[  359.412439]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  359.416666]  ? lockdep_hardirqs_on+0x296/0x5b0
[  359.421248]  ? trace_hardirqs_on+0xbd/0x310
[  359.425582]  ? kasan_check_read+0x11/0x20
[  359.429725]  ? __run_timers+0x7da/0xc70
[  359.433693]  ? trace_hardirqs_off_caller+0x310/0x310
[  359.438797]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  359.443031]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  359.447263]  __run_timers+0x7e5/0xc70
[  359.451072]  ? timer_fixup_init+0x70/0x70
[  359.455218]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  359.460232]  ? zap_class+0x640/0x640
[  359.463950]  ? enqueue_hrtimer+0x1a5/0x560
[  359.468180]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  359.473387]  ? find_held_lock+0x36/0x1c0
[  359.477445]  ? zap_class+0x640/0x640
[  359.481157]  ? pvclock_read_flags+0x160/0x160
[  359.485650]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.491180]  ? check_preemption_disabled+0x48/0x280
[  359.496199]  ? __lock_is_held+0xb5/0x140
[  359.500266]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.505807]  ? check_preemption_disabled+0x48/0x280
[  359.510822]  run_timer_softirq+0x52/0xb0
[  359.514879]  ? rcu_read_lock_sched_held+0x14f/0x180
[  359.519895]  __do_softirq+0x308/0xb7e
[  359.523695]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  359.528184]  ? lock_downgrade+0x900/0x900
[  359.532333]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  359.537439]  ? pvclock_read_flags+0x160/0x160
[  359.541934]  ? lapic_next_event+0x5a/0x90
[  359.546098]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.551635]  ? kvm_clock_read+0x18/0x30
[  359.555601]  ? kvm_sched_clock_read+0x9/0x20
[  359.560041]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.565572]  ? check_preemption_disabled+0x48/0x280
[  359.570592]  irq_exit+0x17f/0x1c0
[  359.574041]  smp_apic_timer_interrupt+0x1cb/0x760
[  359.578877]  ? smp_reschedule_interrupt+0x109/0x650
[  359.583890]  ? smp_call_function_single_interrupt+0x650/0x650
[  359.589770]  ? interrupt_entry+0xb5/0xc0
[  359.593830]  ? trace_hardirqs_off_caller+0xbb/0x310
[  359.598951]  ? trace_hardirqs_off_caller+0xbb/0x310
[  359.603973]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  359.608814]  ? trace_hardirqs_on_caller+0x310/0x310
[  359.613831]  ? trace_hardirqs_on_caller+0x310/0x310
[  359.618840]  ? task_prio+0x50/0x50
[  359.622375]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.627909]  ? check_preemption_disabled+0x48/0x280
[  359.632936]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  359.637779]  apic_timer_interrupt+0xf/0x20
[  359.642003]  </IRQ>
[  359.644236] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  359.649169] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  359.668062] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  359.675778] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  359.683038] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  359.690300] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  359.697568] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  359.704835] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  359.712133]  skb_clone+0x1bb/0x500
[  359.715672]  ? finish_task_switch+0x2f4/0x910
[  359.720163]  ? skb_split+0x11e0/0x11e0
[  359.724050]  ? preempt_notifier_register+0x200/0x200
[  359.729144]  ? __switch_to_asm+0x34/0x70
[  359.733289]  ? __switch_to_asm+0x34/0x70
[  359.737344]  ? __switch_to_asm+0x40/0x70
[  359.741398]  ? __switch_to_asm+0x34/0x70
[  359.745452]  ? __switch_to_asm+0x40/0x70
[  359.749520]  ? __switch_to_asm+0x34/0x70
[  359.753571]  ? __switch_to_asm+0x40/0x70
[  359.757620]  ? __switch_to_asm+0x34/0x70
[  359.761675]  ? __switch_to_asm+0x34/0x70
[  359.765729]  ? __switch_to_asm+0x40/0x70
[  359.769795]  ? __switch_to_asm+0x34/0x70
[  359.773854]  bpf_clone_redirect+0xb9/0x490
[  359.778083]  ? __schedule+0x8d7/0x21d0
[  359.781986]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  359.786911]  ? __sched_text_start+0x8/0x8
[  359.791057]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  359.795637]  ? retint_kernel+0x2d/0x2d
[  359.799519]  ? trace_hardirqs_on_caller+0xc0/0x310
[  359.804462]  ? find_held_lock+0x36/0x1c0
[  359.808530]  ? lock_acquire+0x1ed/0x520
[  359.812500]  ? bpf_test_run+0x3cb/0x780
[  359.816471]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.822006]  ? check_preemption_disabled+0x48/0x280
[  359.827022]  ? kasan_check_read+0x11/0x20
[  359.831163]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  359.836433]  ? rcu_softirq_qs+0x20/0x20
[  359.840402]  ? preempt_schedule+0x4d/0x60
[  359.844545]  ? ___preempt_schedule+0x16/0x18
[  359.848967]  ? bpf_test_run+0x25d/0x780
[  359.852950]  ? netlink_diag_dump+0x2a0/0x2a0
[  359.857358]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  359.862893]  ? bpf_test_init.isra.10+0x70/0x100
[  359.867564]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  359.872332]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  359.877185]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  359.882717]  ? fput+0x130/0x1a0
[  359.885991]  ? __bpf_prog_get+0x9b/0x290
[  359.890066]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  359.894902]  ? bpf_prog_test_run+0x130/0x1a0
[  359.899306]  ? __x64_sys_bpf+0x3d8/0x520
[  359.903362]  ? bpf_prog_get+0x20/0x20
[  359.907173]  ? do_syscall_64+0x1b9/0x820
[  359.911234]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  359.916598]  ? syscall_return_slowpath+0x5e0/0x5e0
[  359.921524]  ? trace_hardirqs_on_caller+0x310/0x310
[  359.926540]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  359.931554]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  359.938227]  ? __switch_to_asm+0x40/0x70
[  359.942283]  ? __switch_to_asm+0x34/0x70
[  359.946344]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  359.951192]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  359.956589] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  359.956655] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  359.963432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  359.963436] Call Trace:
[  359.963455]  dump_stack+0x244/0x39d
[  359.963471]  ? dump_stack_print_info.cold.1+0x20/0x20
[  359.963498]  warn_alloc.cold.116+0xb7/0x1bd
[  359.970026] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  359.979530]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  359.982092] syz-executor4 cpuset=syz4 mems_allowed=0
[  359.985711]  ? lock_downgrade+0x900/0x900
[  360.019864]  ? trace_hardirqs_off+0xb8/0x310
[  360.024274]  ? trace_hardirqs_off+0xb8/0x310
[  360.028684]  __alloc_pages_slowpath+0x26e8/0x2e10
[  360.033554]  ? warn_alloc+0x120/0x120
[  360.037353]  ? print_usage_bug+0xc0/0xc0
[  360.041417]  ? warn_alloc+0x120/0x120
[  360.045244]  ? warn_alloc+0x120/0x120
[  360.049040]  ? print_usage_bug+0xc0/0xc0
[  360.053102]  ? print_usage_bug+0xc0/0xc0
[  360.057161]  ? __lock_acquire+0x62f/0x4c20
[  360.061397]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  360.066928]  ? should_fail+0x22d/0xd01
[  360.070815]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  360.075919]  ? __lock_acquire+0x62f/0x4c20
[  360.080153]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  360.085263]  ? __lock_acquire+0x62f/0x4c20
[  360.089493]  ? should_fail+0x22d/0xd01
[  360.093373]  ? find_held_lock+0x36/0x1c0
[  360.097440]  ? mark_held_locks+0x130/0x130
[  360.101679]  ? mark_held_locks+0x130/0x130
[  360.105912]  ? zap_class+0x640/0x640
[  360.109625]  ? mark_held_locks+0xc7/0x130
[  360.113766]  ? do_raw_spin_unlock+0xa7/0x330
[  360.118168]  ? zap_class+0x640/0x640
[  360.121881]  ? print_usage_bug+0xc0/0xc0
[  360.125940]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.131472]  ? check_preemption_disabled+0x48/0x280
[  360.136490]  ? __lock_is_held+0xb5/0x140
[  360.140552]  __alloc_pages_nodemask+0xa80/0xde0
[  360.145738]  ? zap_class+0x640/0x640
[  360.149454]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  360.154481]  ? find_held_lock+0x36/0x1c0
[  360.158549]  ? ____cache_alloc_node+0x1c7/0x1e0
[  360.163219]  ? lock_downgrade+0x900/0x900
[  360.167368]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.172906]  cache_grow_begin+0xa5/0x8c0
[  360.176963]  ? do_raw_spin_unlock+0xa7/0x330
[  360.181374]  fallback_alloc+0x204/0x2e0
[  360.185351]  ____cache_alloc_node+0x1c7/0x1e0
[  360.189844]  kmem_cache_alloc_node+0xe3/0x730
[  360.194333]  ? ipv6_get_ifaddr+0x42e/0x620
[  360.198570]  __alloc_skb+0x119/0x770
[  360.202277]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  360.207552]  ? netdev_alloc_frag+0x1f0/0x1f0
[  360.211955]  ? lock_downgrade+0x900/0x900
[  360.216105]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.221638]  ? refcount_sub_and_test_checked+0x203/0x310
[  360.227086]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  360.232536]  ? addrconf_rs_timer+0x690/0x690
[  360.236956]  ndisc_alloc_skb+0x144/0x340
[  360.241020]  ndisc_send_rs+0x331/0x6e0
[  360.244916]  addrconf_rs_timer+0x314/0x690
[  360.249150]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  360.253408]  call_timer_fn+0x272/0x920
[  360.257288]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  360.261520]  ? process_timeout+0x40/0x40
[  360.265583]  ? __run_timers+0x7da/0xc70
[  360.269571]  ? _raw_spin_unlock_irq+0x27/0x80
[  360.274063]  ? _raw_spin_unlock_irq+0x27/0x80
[  360.278553]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  360.282784]  ? lockdep_hardirqs_on+0x296/0x5b0
[  360.287368]  ? trace_hardirqs_on+0xbd/0x310
[  360.291686]  ? kasan_check_read+0x11/0x20
[  360.295847]  ? __run_timers+0x7da/0xc70
[  360.299820]  ? trace_hardirqs_off_caller+0x310/0x310
[  360.304921]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  360.309155]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  360.313382]  __run_timers+0x7e5/0xc70
[  360.317196]  ? timer_fixup_init+0x70/0x70
[  360.321429]  ? _raw_spin_unlock_irq+0x27/0x80
[  360.325920]  ? _raw_spin_unlock_irq+0x27/0x80
[  360.330415]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  360.335007]  ? trace_hardirqs_on+0xbd/0x310
[  360.339329]  ? kasan_check_read+0x11/0x20
[  360.343474]  ? finish_task_switch+0x1f4/0x910
[  360.347965]  ? trace_hardirqs_off_caller+0x310/0x310
[  360.353066]  ? compat_start_thread+0x80/0x80
[  360.357489]  ? pvclock_read_flags+0x160/0x160
[  360.361975]  ? __switch_to_asm+0x34/0x70
[  360.366030]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.371561]  ? check_preemption_disabled+0x48/0x280
[  360.376584]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  360.382232]  ? rcu_pm_notify+0xc0/0xc0
[  360.386115]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.391646]  ? check_preemption_disabled+0x48/0x280
[  360.396668]  run_timer_softirq+0x52/0xb0
[  360.400726]  ? rcu_read_lock_sched_held+0x14f/0x180
[  360.405740]  __do_softirq+0x308/0xb7e
[  360.409556]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  360.414650]  ? trace_hardirqs_off+0xb8/0x310
[  360.419051]  ? rcu_irq_enter+0x18c/0x310
[  360.423116]  ? schedule+0x108/0x460
[  360.426750]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  360.431508]  ? trace_hardirqs_off+0xb8/0x310
[  360.435912]  ? smpboot_thread_fn+0x68b/0xa00
[  360.440315]  ? trace_hardirqs_on+0x310/0x310
[  360.444722]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  360.450257]  ? check_preemption_disabled+0x48/0x280
[  360.455271]  ? takeover_tasklets+0xa90/0xa90
[  360.459673]  run_ksoftirqd+0x5e/0x100
[  360.463470]  smpboot_thread_fn+0x68b/0xa00
[  360.467710]  ? sort_range+0x30/0x30
[  360.471330]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  360.476426]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  360.481955]  ? __kthread_parkme+0xfb/0x1a0
[  360.486197]  ? sort_range+0x30/0x30
[  360.489818]  kthread+0x35a/0x440
[  360.493190]  ? kthread_stop+0x900/0x900
[  360.497162]  ret_from_fork+0x3a/0x50
[  360.500885] warn_alloc_show_mem: 1 callbacks suppressed
[  360.500894] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  360.500896] Mem-Info:
[  360.500923] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  360.500923]  active_file:16 inactive_file:14 isolated_file:0
[  360.500923]  unevictable:0 dirty:0 writeback:0 unstable:0
[  360.500923]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  360.500923]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  360.500923]  free:13767 free_pcp:490 free_cma:0
[  360.506260] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  360.506267] Call Trace:
[  360.513541] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  360.515927]  <IRQ>
[  360.548955] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  360.558303]  dump_stack+0x244/0x39d
[  360.560865] lowmem_reserve[]: 0 2818 6321 6321
[  360.588529]  ? dump_stack_print_info.cold.1+0x20/0x20
[  360.590653] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  360.616756]  warn_alloc.cold.116+0xb7/0x1bd
[  360.620343] lowmem_reserve[]: 0 0 3503 3503
[  360.624920]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  360.630080] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  360.657567]  ? lock_downgrade+0x900/0x900
[  360.661855] lowmem_reserve[]: 0 0 0 0
[  360.666174]  ? trace_hardirqs_off+0xb8/0x310
[  360.670983] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  360.700122]  ? trace_hardirqs_off+0xb8/0x310
[  360.704237] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  360.708035]  __alloc_pages_slowpath+0x26e8/0x2e10
[  360.712410] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  360.725943]  ? warn_alloc+0x120/0x120
[  360.730305] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  360.745631]  ? print_usage_bug+0xc0/0xc0
[  360.750450] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  360.765518]  ? warn_alloc+0x120/0x120
[  360.769290] 1997 total pagecache pages
[  360.778108]  ? warn_alloc+0x120/0x120
[  360.782142] 0 pages in swap cache
[  360.790707]  ? print_usage_bug+0xc0/0xc0
[  360.794482] Swap cache stats: add 0, delete 0, find 0/0
[  360.798349]  ? kvm_clock_read+0x18/0x30
[  360.802131] Free swap  = 0kB
[  360.805575]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  360.809605] Total swap = 0kB
[  360.814953]  ? print_usage_bug+0xc0/0xc0
[  360.818895] 1965979 pages RAM
[  360.821901]  ? __lock_acquire+0x62f/0x4c20
[  360.826885] 0 pages HighMem/MovableOnly
[  360.829892]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  360.833916] 342853 pages reserved
[  360.833923] 0 pages cma reserved
[  360.837015]  ? should_fail+0x22d/0xd01
[  360.841300] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  360.845184]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  360.845202]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  360.850790] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  360.854177]  ? __lock_acquire+0x62f/0x4c20
[  360.857508] ksoftirqd/1 cpuset=/ mems_allowed=0
[  360.861386]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  360.902424]  ? __lock_acquire+0x62f/0x4c20
[  360.906651]  ? should_fail+0x22d/0xd01
[  360.910528]  ? rcu_irq_exit+0x1a2/0x390
[  360.914504]  ? mark_held_locks+0x130/0x130
[  360.918736]  ? mark_held_locks+0x130/0x130
[  360.922969]  ? mark_held_locks+0xc7/0x130
[  360.927109]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  360.932118]  ? zap_class+0x640/0x640
[  360.935829]  ? print_usage_bug+0xc0/0xc0
[  360.939888]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.945420]  ? check_preemption_disabled+0x48/0x280
[  360.950437]  ? __lock_is_held+0xb5/0x140
[  360.954498]  __alloc_pages_nodemask+0xa80/0xde0
[  360.959174]  ? zap_class+0x640/0x640
[  360.962883]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  360.967902]  ? find_held_lock+0x36/0x1c0
[  360.971961]  ? ____cache_alloc_node+0x1c7/0x1e0
[  360.976623]  ? lock_downgrade+0x900/0x900
[  360.980767]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.986304]  cache_grow_begin+0xa5/0x8c0
[  360.990359]  ? do_raw_spin_unlock+0xa7/0x330
[  360.994769]  fallback_alloc+0x204/0x2e0
[  360.998829]  ____cache_alloc_node+0x1c7/0x1e0
[  361.003323]  kmem_cache_alloc_node+0xe3/0x730
[  361.007815]  ? ipv6_get_ifaddr+0x42e/0x620
[  361.012072]  __alloc_skb+0x119/0x770
[  361.015784]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  361.021062]  ? netdev_alloc_frag+0x1f0/0x1f0
[  361.025463]  ? lock_downgrade+0x900/0x900
[  361.029612]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.035172]  ? refcount_sub_and_test_checked+0x203/0x310
[  361.040620]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  361.046065]  ? addrconf_rs_timer+0x690/0x690
[  361.050476]  ndisc_alloc_skb+0x144/0x340
[  361.054534]  ndisc_send_rs+0x331/0x6e0
[  361.058424]  addrconf_rs_timer+0x314/0x690
[  361.062661]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  361.066904]  call_timer_fn+0x272/0x920
[  361.070786]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  361.075020]  ? process_timeout+0x40/0x40
[  361.079083]  ? __run_timers+0x7da/0xc70
[  361.083053]  ? _raw_spin_unlock_irq+0x27/0x80
[  361.087545]  ? _raw_spin_unlock_irq+0x27/0x80
[  361.092038]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  361.096267]  ? lockdep_hardirqs_on+0x296/0x5b0
[  361.100844]  ? trace_hardirqs_on+0xbd/0x310
[  361.105168]  ? kasan_check_read+0x11/0x20
[  361.109305]  ? __run_timers+0x7da/0xc70
[  361.113279]  ? trace_hardirqs_off_caller+0x310/0x310
[  361.118383]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  361.122619]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  361.126846]  __run_timers+0x7e5/0xc70
[  361.130648]  ? timer_fixup_init+0x70/0x70
[  361.134791]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  361.139799]  ? zap_class+0x640/0x640
[  361.143514]  ? enqueue_hrtimer+0x1a5/0x560
[  361.147745]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  361.152937]  ? find_held_lock+0x36/0x1c0
[  361.156997]  ? zap_class+0x640/0x640
[  361.160712]  ? pvclock_read_flags+0x160/0x160
[  361.165202]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.170737]  ? check_preemption_disabled+0x48/0x280
[  361.175762]  ? __lock_is_held+0xb5/0x140
[  361.179821]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.185357]  ? check_preemption_disabled+0x48/0x280
[  361.190405]  run_timer_softirq+0x52/0xb0
[  361.194471]  ? rcu_read_lock_sched_held+0x14f/0x180
[  361.199485]  __do_softirq+0x308/0xb7e
[  361.203283]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  361.207774]  ? lock_downgrade+0x900/0x900
[  361.211925]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  361.217028]  ? pvclock_read_flags+0x160/0x160
[  361.221518]  ? lapic_next_event+0x5a/0x90
[  361.225667]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.231203]  ? kvm_clock_read+0x18/0x30
[  361.235171]  ? kvm_sched_clock_read+0x9/0x20
[  361.239579]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.245112]  ? check_preemption_disabled+0x48/0x280
[  361.250155]  irq_exit+0x17f/0x1c0
[  361.253606]  smp_apic_timer_interrupt+0x1cb/0x760
[  361.258441]  ? smp_reschedule_interrupt+0x109/0x650
[  361.263446]  ? smp_call_function_single_interrupt+0x650/0x650
[  361.269322]  ? interrupt_entry+0xb5/0xc0
[  361.273383]  ? trace_hardirqs_off_caller+0xbb/0x310
[  361.278392]  ? trace_hardirqs_off_caller+0xbb/0x310
[  361.283400]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  361.288236]  ? trace_hardirqs_on_caller+0x310/0x310
[  361.293251]  ? trace_hardirqs_on_caller+0x310/0x310
[  361.298260]  ? task_prio+0x50/0x50
[  361.301799]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.307331]  ? check_preemption_disabled+0x48/0x280
[  361.312350]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  361.317195]  apic_timer_interrupt+0xf/0x20
[  361.321421]  </IRQ>
[  361.323662] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  361.328591] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  361.347483] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  361.355186] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  361.362450] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  361.369710] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  361.376972] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  361.384234] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  361.391537]  skb_clone+0x1bb/0x500
[  361.395075]  ? finish_task_switch+0x2f4/0x910
[  361.399565]  ? skb_split+0x11e0/0x11e0
[  361.403448]  ? preempt_notifier_register+0x200/0x200
[  361.408542]  ? __switch_to_asm+0x34/0x70
[  361.412595]  ? __switch_to_asm+0x34/0x70
[  361.416645]  ? __switch_to_asm+0x40/0x70
[  361.420695]  ? __switch_to_asm+0x34/0x70
[  361.424750]  ? __switch_to_asm+0x40/0x70
[  361.428807]  ? __switch_to_asm+0x34/0x70
[  361.432862]  ? __switch_to_asm+0x40/0x70
[  361.436912]  ? __switch_to_asm+0x34/0x70
[  361.440967]  ? __switch_to_asm+0x34/0x70
[  361.445018]  ? __switch_to_asm+0x40/0x70
[  361.449070]  ? __switch_to_asm+0x34/0x70
[  361.453140]  bpf_clone_redirect+0xb9/0x490
[  361.457372]  ? __schedule+0x8d7/0x21d0
[  361.461261]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  361.466186]  ? __sched_text_start+0x8/0x8
[  361.470333]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  361.474910]  ? retint_kernel+0x2d/0x2d
[  361.478791]  ? trace_hardirqs_on_caller+0xc0/0x310
[  361.483724]  ? find_held_lock+0x36/0x1c0
[  361.487788]  ? lock_acquire+0x1ed/0x520
[  361.491757]  ? bpf_test_run+0x3cb/0x780
[  361.495728]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.501261]  ? check_preemption_disabled+0x48/0x280
[  361.506278]  ? kasan_check_read+0x11/0x20
[  361.510419]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  361.515688]  ? rcu_softirq_qs+0x20/0x20
[  361.519658]  ? preempt_schedule+0x4d/0x60
[  361.523800]  ? ___preempt_schedule+0x16/0x18
[  361.528209]  ? bpf_test_run+0x25d/0x780
[  361.532191]  ? netlink_diag_dump+0x2a0/0x2a0
[  361.536595]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  361.542132]  ? bpf_test_init.isra.10+0x70/0x100
[  361.546803]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  361.551565]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  361.556417]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  361.561947]  ? fput+0x130/0x1a0
[  361.565220]  ? __bpf_prog_get+0x9b/0x290
[  361.569277]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  361.574125]  ? bpf_prog_test_run+0x130/0x1a0
[  361.578532]  ? __x64_sys_bpf+0x3d8/0x520
[  361.582589]  ? bpf_prog_get+0x20/0x20
[  361.586402]  ? do_syscall_64+0x1b9/0x820
[  361.590454]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  361.595812]  ? syscall_return_slowpath+0x5e0/0x5e0
[  361.600741]  ? trace_hardirqs_on_caller+0x310/0x310
[  361.605754]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  361.610765]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  361.617424]  ? __switch_to_asm+0x40/0x70
[  361.621478]  ? __switch_to_asm+0x34/0x70
[  361.625545]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  361.630390]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  361.635769] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  361.635834] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  361.642616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  361.642621] Call Trace:
[  361.642640]  dump_stack+0x244/0x39d
[  361.642662]  ? dump_stack_print_info.cold.1+0x20/0x20
[  361.649298] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  361.658504]  warn_alloc.cold.116+0xb7/0x1bd
[  361.661054] syz-executor4 cpuset=syz4 mems_allowed=0
[  361.664667]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  361.694517]  ? lock_downgrade+0x900/0x900
[  361.698668]  ? trace_hardirqs_off+0xb8/0x310
[  361.703076]  ? trace_hardirqs_off+0xb8/0x310
[  361.707497]  __alloc_pages_slowpath+0x26e8/0x2e10
[  361.712361]  ? warn_alloc+0x120/0x120
[  361.716161]  ? print_usage_bug+0xc0/0xc0
[  361.720221]  ? warn_alloc+0x120/0x120
[  361.724024]  ? warn_alloc+0x120/0x120
[  361.727821]  ? print_usage_bug+0xc0/0xc0
[  361.731883]  ? print_usage_bug+0xc0/0xc0
[  361.735941]  ? __lock_acquire+0x62f/0x4c20
[  361.740178]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  361.745709]  ? should_fail+0x22d/0xd01
[  361.749595]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  361.754699]  ? __lock_acquire+0x62f/0x4c20
[  361.758936]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  361.764031]  ? __lock_acquire+0x62f/0x4c20
[  361.768256]  ? should_fail+0x22d/0xd01
[  361.772135]  ? find_held_lock+0x36/0x1c0
[  361.776204]  ? mark_held_locks+0x130/0x130
[  361.780437]  ? mark_held_locks+0x130/0x130
[  361.784666]  ? zap_class+0x640/0x640
[  361.788379]  ? mark_held_locks+0xc7/0x130
[  361.792518]  ? do_raw_spin_unlock+0xa7/0x330
[  361.796920]  ? zap_class+0x640/0x640
[  361.800634]  ? print_usage_bug+0xc0/0xc0
[  361.804693]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.810230]  ? check_preemption_disabled+0x48/0x280
[  361.815254]  ? __lock_is_held+0xb5/0x140
[  361.819319]  __alloc_pages_nodemask+0xa80/0xde0
[  361.823983]  ? zap_class+0x640/0x640
[  361.827694]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  361.832711]  ? find_held_lock+0x36/0x1c0
[  361.836774]  ? ____cache_alloc_node+0x1c7/0x1e0
[  361.841436]  ? lock_downgrade+0x900/0x900
[  361.845588]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.851128]  cache_grow_begin+0xa5/0x8c0
[  361.855186]  ? do_raw_spin_unlock+0xa7/0x330
[  361.859613]  fallback_alloc+0x204/0x2e0
[  361.863586]  ____cache_alloc_node+0x1c7/0x1e0
[  361.868090]  kmem_cache_alloc_node+0xe3/0x730
[  361.872585]  ? ipv6_get_ifaddr+0x42e/0x620
[  361.876828]  __alloc_skb+0x119/0x770
[  361.880533]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  361.885810]  ? netdev_alloc_frag+0x1f0/0x1f0
[  361.890212]  ? lock_downgrade+0x900/0x900
[  361.894362]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.899898]  ? refcount_sub_and_test_checked+0x203/0x310
[  361.905345]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  361.910792]  ? addrconf_rs_timer+0x690/0x690
[  361.915209]  ndisc_alloc_skb+0x144/0x340
[  361.919269]  ndisc_send_rs+0x331/0x6e0
[  361.923158]  addrconf_rs_timer+0x314/0x690
[  361.927390]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  361.931627]  call_timer_fn+0x272/0x920
[  361.935507]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  361.939735]  ? process_timeout+0x40/0x40
[  361.943800]  ? __run_timers+0x7da/0xc70
[  361.947769]  ? _raw_spin_unlock_irq+0x27/0x80
[  361.952258]  ? _raw_spin_unlock_irq+0x27/0x80
[  361.956744]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  361.960972]  ? lockdep_hardirqs_on+0x296/0x5b0
[  361.965559]  ? trace_hardirqs_on+0xbd/0x310
[  361.969894]  ? kasan_check_read+0x11/0x20
[  361.974037]  ? __run_timers+0x7da/0xc70
[  361.978305]  ? trace_hardirqs_off_caller+0x310/0x310
[  361.983416]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  361.987656]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  361.991974]  __run_timers+0x7e5/0xc70
[  361.995783]  ? timer_fixup_init+0x70/0x70
[  361.999925]  ? _raw_spin_unlock_irq+0x27/0x80
[  362.004412]  ? _raw_spin_unlock_irq+0x27/0x80
[  362.008901]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  362.013480]  ? trace_hardirqs_on+0xbd/0x310
[  362.017796]  ? kasan_check_read+0x11/0x20
[  362.021957]  ? finish_task_switch+0x1f4/0x910
[  362.026449]  ? trace_hardirqs_off_caller+0x310/0x310
[  362.031553]  ? compat_start_thread+0x80/0x80
[  362.035985]  ? pvclock_read_flags+0x160/0x160
[  362.040476]  ? __switch_to_asm+0x34/0x70
[  362.044534]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.050076]  ? check_preemption_disabled+0x48/0x280
[  362.055096]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  362.060633]  ? rcu_pm_notify+0xc0/0xc0
[  362.064516]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.070046]  ? check_preemption_disabled+0x48/0x280
[  362.075075]  run_timer_softirq+0x52/0xb0
[  362.079131]  ? rcu_read_lock_sched_held+0x14f/0x180
[  362.084145]  __do_softirq+0x308/0xb7e
[  362.087948]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  362.093043]  ? trace_hardirqs_off+0xb8/0x310
[  362.097450]  ? rcu_irq_enter+0x18c/0x310
[  362.101510]  ? schedule+0x108/0x460
[  362.105144]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  362.109905]  ? trace_hardirqs_off+0xb8/0x310
[  362.114305]  ? smpboot_thread_fn+0x68b/0xa00
[  362.118710]  ? trace_hardirqs_on+0x310/0x310
[  362.123114]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  362.128648]  ? check_preemption_disabled+0x48/0x280
[  362.133663]  ? takeover_tasklets+0xa90/0xa90
[  362.138072]  run_ksoftirqd+0x5e/0x100
[  362.141867]  smpboot_thread_fn+0x68b/0xa00
[  362.146485]  ? sort_range+0x30/0x30
[  362.150109]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  362.155210]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  362.160744]  ? __kthread_parkme+0xfb/0x1a0
[  362.164974]  ? sort_range+0x30/0x30
[  362.168598]  kthread+0x35a/0x440
[  362.171967]  ? kthread_stop+0x900/0x900
[  362.175940]  ret_from_fork+0x3a/0x50
[  362.179666] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  362.179671] warn_alloc_show_mem: 1 callbacks suppressed
[  362.179677] Mem-Info:
[  362.186940] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  362.192302] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  362.192302]  active_file:16 inactive_file:14 isolated_file:0
[  362.192302]  unevictable:0 dirty:0 writeback:0 unstable:0
[  362.192302]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  362.192302]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  362.192302]  free:13767 free_pcp:490 free_cma:0
[  362.194671] Call Trace:
[  362.204053] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  362.237082]  <IRQ>
[  362.239646] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  362.267307]  dump_stack+0x244/0x39d
[  362.269429] lowmem_reserve[]: 0 2818 6321 6321
[  362.295528]  ? dump_stack_print_info.cold.1+0x20/0x20
[  362.299122] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  362.303702]  warn_alloc.cold.116+0xb7/0x1bd
[  362.308852] lowmem_reserve[]: 0 0 3503 3503
[  362.336335]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  362.340626] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  362.345119]  ? lock_downgrade+0x900/0x900
[  362.349927] lowmem_reserve[]: 0 0 0 0
[  362.379075]  ? trace_hardirqs_off+0xb8/0x310
[  362.383191] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  362.386992]  ? trace_hardirqs_off+0xb8/0x310
[  362.391366] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  362.404882]  __alloc_pages_slowpath+0x26e8/0x2e10
[  362.409255] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  362.424614]  ? warn_alloc+0x120/0x120
[  362.429410] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  362.444476]  ? print_usage_bug+0xc0/0xc0
[  362.448253] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  362.457071]  ? warn_alloc+0x120/0x120
[  362.461106] 1997 total pagecache pages
[  362.469669]  ? warn_alloc+0x120/0x120
[  362.473454] 0 pages in swap cache
[  362.477321]  ? print_usage_bug+0xc0/0xc0
[  362.481089] Swap cache stats: add 0, delete 0, find 0/0
[  362.481096] Free swap  = 0kB
[  362.484539]  ? zap_class+0x640/0x640
[  362.488571] Total swap = 0kB
[  362.493920]  ? kvm_clock_read+0x18/0x30
[  362.496906] 1965979 pages RAM
[  362.500606]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  362.503593] 0 pages HighMem/MovableOnly
[  362.507552]  ? print_usage_bug+0xc0/0xc0
[  362.507571]  ? __lock_acquire+0x62f/0x4c20
[  362.510639] 342853 pages reserved
[  362.510646] 0 pages cma reserved
[  362.515649]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  362.519649] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  362.523640]  ? should_fail+0x22d/0xd01
[  362.527892] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  362.531283]  ? __lock_acquire+0x62f/0x4c20
[  362.534622] ksoftirqd/1 cpuset=/ mems_allowed=0
[  362.540145]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  362.574705]  ? __lock_acquire+0x62f/0x4c20
[  362.578942]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  362.584058]  ? __lock_acquire+0x62f/0x4c20
[  362.588285]  ? should_fail+0x22d/0xd01
[  362.592179]  ? mark_held_locks+0x130/0x130
[  362.596415]  ? mark_held_locks+0x130/0x130
[  362.600642]  ? try_to_wake_up+0x11c/0x1490
[  362.604870]  ? lock_downgrade+0x900/0x900
[  362.609013]  ? zap_class+0x640/0x640
[  362.612735]  ? print_usage_bug+0xc0/0xc0
[  362.616787]  ? trace_hardirqs_off+0xb8/0x310
[  362.621193]  ? kasan_check_read+0x11/0x20
[  362.625338]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.630869]  ? check_preemption_disabled+0x48/0x280
[  362.635891]  ? __lock_is_held+0xb5/0x140
[  362.639956]  __alloc_pages_nodemask+0xa80/0xde0
[  362.644621]  ? zap_class+0x640/0x640
[  362.648332]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  362.653350]  ? find_held_lock+0x36/0x1c0
[  362.657412]  ? ____cache_alloc_node+0x1c7/0x1e0
[  362.662074]  ? lock_downgrade+0x900/0x900
[  362.666223]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.671760]  cache_grow_begin+0xa5/0x8c0
[  362.675815]  ? do_raw_spin_unlock+0xa7/0x330
[  362.680222]  fallback_alloc+0x204/0x2e0
[  362.684198]  ____cache_alloc_node+0x1c7/0x1e0
[  362.688691]  kmem_cache_alloc_node+0xe3/0x730
[  362.693183]  ? ipv6_get_ifaddr+0x42e/0x620
[  362.697423]  __alloc_skb+0x119/0x770
[  362.701129]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  362.706404]  ? netdev_alloc_frag+0x1f0/0x1f0
[  362.711228]  ? lock_downgrade+0x900/0x900
[  362.715377]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.720911]  ? refcount_sub_and_test_checked+0x203/0x310
[  362.726357]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  362.731799]  ? addrconf_rs_timer+0x690/0x690
[  362.736215]  ndisc_alloc_skb+0x144/0x340
[  362.740275]  ndisc_send_rs+0x331/0x6e0
[  362.744162]  addrconf_rs_timer+0x314/0x690
[  362.748393]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  362.752628]  call_timer_fn+0x272/0x920
[  362.756511]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  362.760742]  ? process_timeout+0x40/0x40
[  362.764806]  ? __run_timers+0x7da/0xc70
[  362.768779]  ? _raw_spin_unlock_irq+0x27/0x80
[  362.773267]  ? _raw_spin_unlock_irq+0x27/0x80
[  362.777751]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  362.781979]  ? lockdep_hardirqs_on+0x296/0x5b0
[  362.786573]  ? trace_hardirqs_on+0xbd/0x310
[  362.790887]  ? kasan_check_read+0x11/0x20
[  362.795032]  ? __run_timers+0x7da/0xc70
[  362.799012]  ? trace_hardirqs_off_caller+0x310/0x310
[  362.804123]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  362.808348]  __run_timers+0x7e5/0xc70
[  362.812150]  ? timer_fixup_init+0x70/0x70
[  362.816293]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  362.821319]  ? zap_class+0x640/0x640
[  362.825037]  ? enqueue_hrtimer+0x1a5/0x560
[  362.829269]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  362.834463]  ? find_held_lock+0x36/0x1c0
[  362.838526]  ? zap_class+0x640/0x640
[  362.842237]  ? pvclock_read_flags+0x160/0x160
[  362.846727]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.852262]  ? check_preemption_disabled+0x48/0x280
[  362.857279]  ? __lock_is_held+0xb5/0x140
[  362.861344]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.866884]  ? check_preemption_disabled+0x48/0x280
[  362.871898]  run_timer_softirq+0x52/0xb0
[  362.875951]  ? rcu_read_lock_sched_held+0x14f/0x180
[  362.880962]  __do_softirq+0x308/0xb7e
[  362.884759]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  362.889263]  ? lock_downgrade+0x900/0x900
[  362.893409]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  362.898512]  ? pvclock_read_flags+0x160/0x160
[  362.903017]  ? lapic_next_event+0x5a/0x90
[  362.907162]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.912702]  ? kvm_clock_read+0x18/0x30
[  362.916673]  ? kvm_sched_clock_read+0x9/0x20
[  362.921081]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.926610]  ? check_preemption_disabled+0x48/0x280
[  362.931628]  irq_exit+0x17f/0x1c0
[  362.935075]  smp_apic_timer_interrupt+0x1cb/0x760
[  362.939918]  ? smp_reschedule_interrupt+0x109/0x650
[  362.944929]  ? smp_call_function_single_interrupt+0x650/0x650
[  362.950804]  ? interrupt_entry+0xb5/0xc0
[  362.954860]  ? trace_hardirqs_off_caller+0xbb/0x310
[  362.959866]  ? trace_hardirqs_off_caller+0xbb/0x310
[  362.964880]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  362.969717]  ? trace_hardirqs_on_caller+0x310/0x310
[  362.974727]  ? trace_hardirqs_on_caller+0x310/0x310
[  362.979738]  ? task_prio+0x50/0x50
[  362.983271]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.988807]  ? check_preemption_disabled+0x48/0x280
[  362.993822]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  362.998668]  apic_timer_interrupt+0xf/0x20
[  363.002892]  </IRQ>
[  363.005125] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  363.010050] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  363.028944] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  363.036642] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  363.043902] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  363.051163] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  363.058432] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  363.065693] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  363.073002]  skb_clone+0x1bb/0x500
[  363.076539]  ? finish_task_switch+0x2f4/0x910
[  363.081032]  ? skb_split+0x11e0/0x11e0
[  363.084915]  ? preempt_notifier_register+0x200/0x200
[  363.090016]  ? __switch_to_asm+0x34/0x70
[  363.094074]  ? __switch_to_asm+0x34/0x70
[  363.098125]  ? __switch_to_asm+0x40/0x70
[  363.102177]  ? __switch_to_asm+0x34/0x70
[  363.106229]  ? __switch_to_asm+0x40/0x70
[  363.110280]  ? __switch_to_asm+0x34/0x70
[  363.114331]  ? __switch_to_asm+0x40/0x70
[  363.118854]  ? __switch_to_asm+0x34/0x70
[  363.122909]  ? __switch_to_asm+0x34/0x70
[  363.126963]  ? __switch_to_asm+0x40/0x70
[  363.131027]  ? __switch_to_asm+0x34/0x70
[  363.135088]  bpf_clone_redirect+0xb9/0x490
[  363.139322]  ? __schedule+0x8d7/0x21d0
[  363.143207]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  363.148131]  ? __sched_text_start+0x8/0x8
[  363.152278]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  363.156855]  ? retint_kernel+0x2d/0x2d
[  363.160739]  ? trace_hardirqs_on_caller+0xc0/0x310
[  363.165669]  ? find_held_lock+0x36/0x1c0
[  363.169749]  ? lock_acquire+0x1ed/0x520
[  363.173721]  ? bpf_test_run+0x3cb/0x780
[  363.177689]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.183219]  ? check_preemption_disabled+0x48/0x280
[  363.188236]  ? kasan_check_read+0x11/0x20
[  363.192381]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  363.197654]  ? rcu_softirq_qs+0x20/0x20
[  363.201623]  ? preempt_schedule+0x4d/0x60
[  363.205768]  ? ___preempt_schedule+0x16/0x18
[  363.210176]  ? bpf_test_run+0x25d/0x780
[  363.214156]  ? netlink_diag_dump+0x2a0/0x2a0
[  363.218560]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  363.224092]  ? bpf_test_init.isra.10+0x70/0x100
[  363.228763]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  363.233524]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  363.238360]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  363.243891]  ? fput+0x130/0x1a0
[  363.247163]  ? __bpf_prog_get+0x9b/0x290
[  363.251221]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  363.256060]  ? bpf_prog_test_run+0x130/0x1a0
[  363.260462]  ? __x64_sys_bpf+0x3d8/0x520
[  363.264516]  ? bpf_prog_get+0x20/0x20
[  363.268327]  ? do_syscall_64+0x1b9/0x820
[  363.272392]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  363.277755]  ? syscall_return_slowpath+0x5e0/0x5e0
[  363.282684]  ? trace_hardirqs_on_caller+0x310/0x310
[  363.287694]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  363.292708]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  363.299368]  ? __switch_to_asm+0x40/0x70
[  363.303421]  ? __switch_to_asm+0x34/0x70
[  363.307481]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  363.312328]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  363.317705] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  363.317769] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  363.324540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  363.324545] Call Trace:
[  363.324561]  dump_stack+0x244/0x39d
[  363.324578]  ? dump_stack_print_info.cold.1+0x20/0x20
[  363.324604]  warn_alloc.cold.116+0xb7/0x1bd
[  363.331170] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  363.340403]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  363.342957] syz-executor4 cpuset=syz4 mems_allowed=0
[  363.346580]  ? lock_downgrade+0x900/0x900
[  363.380551]  ? trace_hardirqs_off+0xb8/0x310
[  363.384970]  ? trace_hardirqs_off+0xb8/0x310
[  363.389384]  __alloc_pages_slowpath+0x26e8/0x2e10
[  363.394249]  ? warn_alloc+0x120/0x120
[  363.398046]  ? print_usage_bug+0xc0/0xc0
[  363.402107]  ? warn_alloc+0x120/0x120
[  363.405918]  ? warn_alloc+0x120/0x120
[  363.409714]  ? print_usage_bug+0xc0/0xc0
[  363.413774]  ? print_usage_bug+0xc0/0xc0
[  363.417836]  ? __lock_acquire+0x62f/0x4c20
[  363.422071]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  363.427604]  ? should_fail+0x22d/0xd01
[  363.431496]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  363.436596]  ? __lock_acquire+0x62f/0x4c20
[  363.440832]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  363.445927]  ? __lock_acquire+0x62f/0x4c20
[  363.450159]  ? should_fail+0x22d/0xd01
[  363.454049]  ? find_held_lock+0x36/0x1c0
[  363.458115]  ? mark_held_locks+0x130/0x130
[  363.462347]  ? mark_held_locks+0x130/0x130
[  363.466575]  ? zap_class+0x640/0x640
[  363.470287]  ? zap_class+0x640/0x640
[  363.473996]  ? print_usage_bug+0xc0/0xc0
[  363.478048]  ? do_raw_spin_unlock+0xa7/0x330
[  363.482449]  ? zap_class+0x640/0x640
[  363.486159]  ? print_usage_bug+0xc0/0xc0
[  363.490215]  ? wq_watchdog_touch+0x9c/0xfe
[  363.494445]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.499980]  ? check_preemption_disabled+0x48/0x280
[  363.505001]  ? __lock_is_held+0xb5/0x140
[  363.509071]  __alloc_pages_nodemask+0xa80/0xde0
[  363.513736]  ? zap_class+0x640/0x640
[  363.517450]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  363.522486]  ? find_held_lock+0x36/0x1c0
[  363.526544]  ? ____cache_alloc_node+0x1c7/0x1e0
[  363.531203]  ? lock_downgrade+0x900/0x900
[  363.535351]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.540891]  cache_grow_begin+0xa5/0x8c0
[  363.544959]  ? do_raw_spin_unlock+0xa7/0x330
[  363.549368]  fallback_alloc+0x204/0x2e0
[  363.553344]  ____cache_alloc_node+0x1c7/0x1e0
[  363.557862]  kmem_cache_alloc_node+0xe3/0x730
[  363.562356]  ? ipv6_get_ifaddr+0x42e/0x620
[  363.566594]  __alloc_skb+0x119/0x770
[  363.570298]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  363.575583]  ? netdev_alloc_frag+0x1f0/0x1f0
[  363.579987]  ? lock_downgrade+0x900/0x900
[  363.584137]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.589670]  ? refcount_sub_and_test_checked+0x203/0x310
[  363.595121]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  363.600564]  ? addrconf_rs_timer+0x690/0x690
[  363.604980]  ndisc_alloc_skb+0x144/0x340
[  363.609044]  ndisc_send_rs+0x331/0x6e0
[  363.612945]  addrconf_rs_timer+0x314/0x690
[  363.617179]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  363.621421]  call_timer_fn+0x272/0x920
[  363.625303]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  363.629535]  ? process_timeout+0x40/0x40
[  363.633600]  ? __run_timers+0x7da/0xc70
[  363.637569]  ? _raw_spin_unlock_irq+0x27/0x80
[  363.642060]  ? _raw_spin_unlock_irq+0x27/0x80
[  363.646564]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  363.650792]  ? lockdep_hardirqs_on+0x296/0x5b0
[  363.655368]  ? trace_hardirqs_on+0xbd/0x310
[  363.659683]  ? kasan_check_read+0x11/0x20
[  363.663837]  ? __run_timers+0x7da/0xc70
[  363.667805]  ? trace_hardirqs_off_caller+0x310/0x310
[  363.672905]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  363.677145]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  363.681372]  __run_timers+0x7e5/0xc70
[  363.685176]  ? timer_fixup_init+0x70/0x70
[  363.689319]  ? _raw_spin_unlock_irq+0x27/0x80
[  363.693806]  ? _raw_spin_unlock_irq+0x27/0x80
[  363.698294]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  363.702873]  ? trace_hardirqs_on+0xbd/0x310
[  363.707188]  ? kasan_check_read+0x11/0x20
[  363.711332]  ? finish_task_switch+0x1f4/0x910
[  363.715823]  ? trace_hardirqs_off_caller+0x310/0x310
[  363.720920]  ? compat_start_thread+0x80/0x80
[  363.725347]  ? pvclock_read_flags+0x160/0x160
[  363.729834]  ? __switch_to_asm+0x34/0x70
[  363.733889]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.739420]  ? check_preemption_disabled+0x48/0x280
[  363.744440]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  363.749982]  ? rcu_pm_notify+0xc0/0xc0
[  363.753866]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.759397]  ? check_preemption_disabled+0x48/0x280
[  363.764411]  run_timer_softirq+0x52/0xb0
[  363.768472]  ? rcu_read_lock_sched_held+0x14f/0x180
[  363.773505]  __do_softirq+0x308/0xb7e
[  363.777310]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  363.782403]  ? trace_hardirqs_off+0xb8/0x310
[  363.786807]  ? rcu_irq_enter+0x18c/0x310
[  363.790885]  ? schedule+0x108/0x460
[  363.794509]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  363.799269]  ? trace_hardirqs_off+0xb8/0x310
[  363.803672]  ? smpboot_thread_fn+0x68b/0xa00
[  363.808075]  ? trace_hardirqs_on+0x310/0x310
[  363.812483]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  363.818013]  ? check_preemption_disabled+0x48/0x280
[  363.823024]  ? takeover_tasklets+0xa90/0xa90
[  363.827428]  run_ksoftirqd+0x5e/0x100
[  363.831229]  smpboot_thread_fn+0x68b/0xa00
[  363.835466]  ? sort_range+0x30/0x30
[  363.839088]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  363.844182]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  363.849719]  ? __kthread_parkme+0xfb/0x1a0
[  363.853959]  ? sort_range+0x30/0x30
[  363.857579]  kthread+0x35a/0x440
[  363.860957]  ? kthread_stop+0x900/0x900
[  363.864936]  ret_from_fork+0x3a/0x50
[  363.868657] warn_alloc_show_mem: 1 callbacks suppressed
[  363.868667] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  363.868668] Mem-Info:
[  363.868696] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  363.868696]  active_file:16 inactive_file:14 isolated_file:0
[  363.868696]  unevictable:0 dirty:0 writeback:0 unstable:0
[  363.868696]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  363.868696]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  363.868696]  free:13767 free_pcp:490 free_cma:0
[  363.874036] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  363.881308] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  363.883694] Call Trace:
[  363.916723] 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
[  363.926062]  <IRQ>
[  363.953704] lowmem_reserve[]: 0 2818 6321 6321
[  363.956285]  dump_stack+0x244/0x39d
[  363.982958] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  363.985114]  ? dump_stack_print_info.cold.1+0x20/0x20
[  363.989648] lowmem_reserve[]: 0 0 3503 3503
[  363.993278]  warn_alloc.cold.116+0xb7/0x1bd
[  364.020739] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  364.025935]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  364.030221] lowmem_reserve[]: 0 0 0 0
[  364.034533]  ? lock_downgrade+0x900/0x900
[  364.063651] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  364.068491]  ? trace_hardirqs_off+0xb8/0x310
[  364.072256] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  364.076397]  ? trace_hardirqs_off+0xb8/0x310
[  364.089887] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  364.094299]  __alloc_pages_slowpath+0x26e8/0x2e10
[  364.109614] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  364.114031]  ? warn_alloc+0x120/0x120
[  364.129067] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  364.133894]  ? warn_alloc+0x120/0x120
[  364.142702] 1997 total pagecache pages
[  364.146758]  ? warn_alloc+0x120/0x120
[  364.155311] 0 pages in swap cache
[  364.159093]  ? print_usage_bug+0xc0/0xc0
[  364.162954] Swap cache stats: add 0, delete 0, find 0/0
[  364.166735]  ? warn_alloc+0x120/0x120
[  364.170170] Free swap  = 0kB
[  364.174216]  ? print_usage_bug+0xc0/0xc0
[  364.179547] Total swap = 0kB
[  364.183347]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  364.186330] 1965979 pages RAM
[  364.190374]  ? should_fail+0x22d/0xd01
[  364.193375] 0 pages HighMem/MovableOnly
[  364.198906]  ? __lock_acquire+0x62f/0x4c20
[  364.202018] 342853 pages reserved
[  364.205889]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  364.209840] 0 pages cma reserved
[  364.214062]  ? __lock_acquire+0x62f/0x4c20
[  364.217547] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  364.222579]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  364.222591]  ? __lock_acquire+0x62f/0x4c20
[  364.222606]  ? should_fail+0x22d/0xd01
[  364.225998] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  364.230173]  ? mark_held_locks+0x130/0x130
[  364.236630] ksoftirqd/1 cpuset=/ mems_allowed=0
[  364.241722]  ? mark_held_locks+0x130/0x130
[  364.273188]  ? mark_held_locks+0x130/0x130
[  364.277415]  ? zap_class+0x640/0x640
[  364.281122]  ? print_usage_bug+0xc0/0xc0
[  364.285178]  ? mark_held_locks+0x130/0x130
[  364.289405]  ? print_usage_bug+0xc0/0xc0
[  364.293461]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.298993]  ? check_preemption_disabled+0x48/0x280
[  364.304016]  ? __lock_is_held+0xb5/0x140
[  364.308076]  __alloc_pages_nodemask+0xa80/0xde0
[  364.312737]  ? zap_class+0x640/0x640
[  364.316450]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  364.321469]  ? find_held_lock+0x36/0x1c0
[  364.325532]  ? ____cache_alloc_node+0x1c7/0x1e0
[  364.330195]  ? lock_downgrade+0x900/0x900
[  364.334342]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.339875]  cache_grow_begin+0xa5/0x8c0
[  364.343943]  ? do_raw_spin_unlock+0xa7/0x330
[  364.348352]  fallback_alloc+0x204/0x2e0
[  364.352330]  ____cache_alloc_node+0x1c7/0x1e0
[  364.356822]  kmem_cache_alloc_node+0xe3/0x730
[  364.361315]  ? ipv6_get_ifaddr+0x42e/0x620
[  364.365573]  __alloc_skb+0x119/0x770
[  364.369285]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  364.374558]  ? netdev_alloc_frag+0x1f0/0x1f0
[  364.378960]  ? lock_downgrade+0x900/0x900
[  364.383107]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.388637]  ? refcount_sub_and_test_checked+0x203/0x310
[  364.394089]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  364.399531]  ? addrconf_rs_timer+0x690/0x690
[  364.403944]  ndisc_alloc_skb+0x144/0x340
[  364.408002]  ndisc_send_rs+0x331/0x6e0
[  364.411892]  addrconf_rs_timer+0x314/0x690
[  364.416133]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  364.420371]  call_timer_fn+0x272/0x920
[  364.424254]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  364.428484]  ? process_timeout+0x40/0x40
[  364.432543]  ? __run_timers+0x7da/0xc70
[  364.436515]  ? _raw_spin_unlock_irq+0x27/0x80
[  364.441007]  ? _raw_spin_unlock_irq+0x27/0x80
[  364.445497]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  364.449724]  ? lockdep_hardirqs_on+0x296/0x5b0
[  364.454300]  ? trace_hardirqs_on+0xbd/0x310
[  364.458615]  ? kasan_check_read+0x11/0x20
[  364.462754]  ? __run_timers+0x7da/0xc70
[  364.466725]  ? trace_hardirqs_off_caller+0x310/0x310
[  364.471885]  ? tcp_compressed_ack_kick+0x220/0x220
[  364.476832]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  364.481070]  __run_timers+0x7e5/0xc70
[  364.484904]  ? timer_fixup_init+0x70/0x70
[  364.489057]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  364.494068]  ? zap_class+0x640/0x640
[  364.497787]  ? enqueue_hrtimer+0x1a5/0x560
[  364.502025]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  364.507219]  ? find_held_lock+0x36/0x1c0
[  364.511277]  ? zap_class+0x640/0x640
[  364.514989]  ? pvclock_read_flags+0x160/0x160
[  364.519478]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.525013]  ? check_preemption_disabled+0x48/0x280
[  364.530031]  ? __lock_is_held+0xb5/0x140
[  364.534086]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.539618]  ? check_preemption_disabled+0x48/0x280
[  364.544637]  run_timer_softirq+0x52/0xb0
[  364.548690]  ? rcu_read_lock_sched_held+0x14f/0x180
[  364.553704]  __do_softirq+0x308/0xb7e
[  364.557502]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  364.561989]  ? lock_downgrade+0x900/0x900
[  364.566150]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  364.571255]  ? pvclock_read_flags+0x160/0x160
[  364.575745]  ? lapic_next_event+0x5a/0x90
[  364.579977]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.585511]  ? kvm_clock_read+0x18/0x30
[  364.589477]  ? kvm_sched_clock_read+0x9/0x20
[  364.593891]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.599425]  ? check_preemption_disabled+0x48/0x280
[  364.604441]  irq_exit+0x17f/0x1c0
[  364.607900]  smp_apic_timer_interrupt+0x1cb/0x760
[  364.612734]  ? smp_reschedule_interrupt+0x109/0x650
[  364.617745]  ? smp_call_function_single_interrupt+0x650/0x650
[  364.623621]  ? interrupt_entry+0xb5/0xc0
[  364.627679]  ? trace_hardirqs_off_caller+0xbb/0x310
[  364.632687]  ? trace_hardirqs_off_caller+0xbb/0x310
[  364.637701]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  364.642539]  ? trace_hardirqs_on_caller+0x310/0x310
[  364.647551]  ? trace_hardirqs_on_caller+0x310/0x310
[  364.652558]  ? task_prio+0x50/0x50
[  364.656092]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.661622]  ? check_preemption_disabled+0x48/0x280
[  364.666642]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  364.671489]  apic_timer_interrupt+0xf/0x20
[  364.675709]  </IRQ>
[  364.677943] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  364.682873] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  364.701775] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  364.709475] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  364.716736] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  364.723996] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  364.731255] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  364.738514] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  364.745813]  skb_clone+0x1bb/0x500
[  364.749351]  ? finish_task_switch+0x2f4/0x910
[  364.753841]  ? skb_split+0x11e0/0x11e0
[  364.757731]  ? preempt_notifier_register+0x200/0x200
[  364.762824]  ? __switch_to_asm+0x34/0x70
[  364.766887]  ? __switch_to_asm+0x34/0x70
[  364.770939]  ? __switch_to_asm+0x40/0x70
[  364.774989]  ? __switch_to_asm+0x34/0x70
[  364.779040]  ? __switch_to_asm+0x40/0x70
[  364.783089]  ? __switch_to_asm+0x34/0x70
[  364.787140]  ? __switch_to_asm+0x40/0x70
[  364.791190]  ? __switch_to_asm+0x34/0x70
[  364.795242]  ? __switch_to_asm+0x34/0x70
[  364.799292]  ? __switch_to_asm+0x40/0x70
[  364.803345]  ? __switch_to_asm+0x34/0x70
[  364.807402]  bpf_clone_redirect+0xb9/0x490
[  364.811629]  ? __schedule+0x8d7/0x21d0
[  364.815516]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  364.820443]  ? __sched_text_start+0x8/0x8
[  364.824588]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  364.829163]  ? retint_kernel+0x2d/0x2d
[  364.833046]  ? trace_hardirqs_on_caller+0xc0/0x310
[  364.837971]  ? find_held_lock+0x36/0x1c0
[  364.842036]  ? lock_acquire+0x1ed/0x520
[  364.846008]  ? bpf_test_run+0x3cb/0x780
[  364.849980]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.855514]  ? check_preemption_disabled+0x48/0x280
[  364.860532]  ? kasan_check_read+0x11/0x20
[  364.864679]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  364.869953]  ? rcu_softirq_qs+0x20/0x20
[  364.873927]  ? preempt_schedule+0x4d/0x60
[  364.878070]  ? ___preempt_schedule+0x16/0x18
[  364.882477]  ? bpf_test_run+0x25d/0x780
[  364.886458]  ? netlink_diag_dump+0x2a0/0x2a0
[  364.890872]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  364.896425]  ? bpf_test_init.isra.10+0x70/0x100
[  364.901093]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  364.905867]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  364.910704]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  364.916232]  ? fput+0x130/0x1a0
[  364.919509]  ? __bpf_prog_get+0x9b/0x290
[  364.923570]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  364.928403]  ? bpf_prog_test_run+0x130/0x1a0
[  364.932808]  ? __x64_sys_bpf+0x3d8/0x520
[  364.936870]  ? bpf_prog_get+0x20/0x20
[  364.940681]  ? do_syscall_64+0x1b9/0x820
[  364.944738]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  364.950099]  ? syscall_return_slowpath+0x5e0/0x5e0
[  364.955025]  ? trace_hardirqs_on_caller+0x310/0x310
[  364.960036]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  364.965046]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  364.971703]  ? __switch_to_asm+0x40/0x70
[  364.975756]  ? __switch_to_asm+0x34/0x70
[  364.979813]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  364.984665]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  364.990041] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  364.990103] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  364.996882] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  365.003421] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  365.012686] Call Trace:
[  365.023149] syz-executor4 cpuset=syz4 mems_allowed=0
[  365.025724]  dump_stack+0x244/0x39d
[  365.034416]  ? dump_stack_print_info.cold.1+0x20/0x20
[  365.039615]  warn_alloc.cold.116+0xb7/0x1bd
[  365.043936]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  365.048775]  ? lock_downgrade+0x900/0x900
[  365.052925]  ? trace_hardirqs_off+0xb8/0x310
[  365.057332]  ? trace_hardirqs_off+0xb8/0x310
[  365.061743]  __alloc_pages_slowpath+0x26e8/0x2e10
[  365.066605]  ? warn_alloc+0x120/0x120
[  365.070408]  ? print_usage_bug+0xc0/0xc0
[  365.074462]  ? warn_alloc+0x120/0x120
[  365.078262]  ? warn_alloc+0x120/0x120
[  365.082058]  ? print_usage_bug+0xc0/0xc0
[  365.086117]  ? print_usage_bug+0xc0/0xc0
[  365.090173]  ? __lock_acquire+0x62f/0x4c20
[  365.094407]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  365.099940]  ? should_fail+0x22d/0xd01
[  365.103918]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  365.109019]  ? __lock_acquire+0x62f/0x4c20
[  365.113254]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  365.118355]  ? __lock_acquire+0x62f/0x4c20
[  365.122585]  ? should_fail+0x22d/0xd01
[  365.126470]  ? find_held_lock+0x36/0x1c0
[  365.130533]  ? mark_held_locks+0x130/0x130
[  365.134768]  ? mark_held_locks+0x130/0x130
[  365.138993]  ? zap_class+0x640/0x640
[  365.142701]  ? zap_class+0x640/0x640
[  365.146416]  ? print_usage_bug+0xc0/0xc0
[  365.150469]  ? do_raw_spin_unlock+0xa7/0x330
[  365.154878]  ? zap_class+0x640/0x640
[  365.158586]  ? print_usage_bug+0xc0/0xc0
[  365.162641]  ? wq_watchdog_touch+0x9c/0xfe
[  365.166876]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.172406]  ? check_preemption_disabled+0x48/0x280
[  365.177428]  ? __lock_is_held+0xb5/0x140
[  365.181487]  __alloc_pages_nodemask+0xa80/0xde0
[  365.186152]  ? zap_class+0x640/0x640
[  365.189866]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  365.194888]  ? find_held_lock+0x36/0x1c0
[  365.198954]  ? ____cache_alloc_node+0x1c7/0x1e0
[  365.203621]  ? lock_downgrade+0x900/0x900
[  365.207769]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.213305]  cache_grow_begin+0xa5/0x8c0
[  365.217371]  ? do_raw_spin_unlock+0xa7/0x330
[  365.221781]  fallback_alloc+0x204/0x2e0
[  365.225758]  ____cache_alloc_node+0x1c7/0x1e0
[  365.230251]  kmem_cache_alloc_node+0xe3/0x730
[  365.234744]  ? ipv6_get_ifaddr+0x42e/0x620
[  365.238986]  __alloc_skb+0x119/0x770
[  365.242691]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  365.247964]  ? netdev_alloc_frag+0x1f0/0x1f0
[  365.252369]  ? lock_downgrade+0x900/0x900
[  365.256519]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.262050]  ? refcount_sub_and_test_checked+0x203/0x310
[  365.267498]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  365.272944]  ? addrconf_rs_timer+0x690/0x690
[  365.277362]  ndisc_alloc_skb+0x144/0x340
[  365.281420]  ndisc_send_rs+0x331/0x6e0
[  365.285307]  addrconf_rs_timer+0x314/0x690
[  365.289544]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  365.293785]  call_timer_fn+0x272/0x920
[  365.297676]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  365.301907]  ? process_timeout+0x40/0x40
[  365.305980]  ? __run_timers+0x7da/0xc70
[  365.309950]  ? _raw_spin_unlock_irq+0x27/0x80
[  365.314449]  ? _raw_spin_unlock_irq+0x27/0x80
[  365.318935]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  365.323165]  ? lockdep_hardirqs_on+0x296/0x5b0
[  365.327747]  ? trace_hardirqs_on+0xbd/0x310
[  365.332065]  ? kasan_check_read+0x11/0x20
[  365.336204]  ? __run_timers+0x7da/0xc70
[  365.340171]  ? trace_hardirqs_off_caller+0x310/0x310
[  365.345269]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  365.349502]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  365.353727]  __run_timers+0x7e5/0xc70
[  365.357529]  ? timer_fixup_init+0x70/0x70
[  365.361669]  ? _raw_spin_unlock_irq+0x27/0x80
[  365.366155]  ? _raw_spin_unlock_irq+0x27/0x80
[  365.370651]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  365.375232]  ? trace_hardirqs_on+0xbd/0x310
[  365.379547]  ? kasan_check_read+0x11/0x20
[  365.383693]  ? finish_task_switch+0x1f4/0x910
[  365.388187]  ? trace_hardirqs_off_caller+0x310/0x310
[  365.393284]  ? compat_start_thread+0x80/0x80
[  365.397704]  ? pvclock_read_flags+0x160/0x160
[  365.402190]  ? __switch_to_asm+0x34/0x70
[  365.406249]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.411784]  ? check_preemption_disabled+0x48/0x280
[  365.416817]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  365.422354]  ? rcu_pm_notify+0xc0/0xc0
[  365.426237]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.431770]  ? check_preemption_disabled+0x48/0x280
[  365.436787]  run_timer_softirq+0x52/0xb0
[  365.440851]  ? rcu_read_lock_sched_held+0x14f/0x180
[  365.445889]  __do_softirq+0x308/0xb7e
[  365.449695]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  365.454795]  ? trace_hardirqs_off+0xb8/0x310
[  365.459203]  ? rcu_irq_enter+0x18c/0x310
[  365.463261]  ? schedule+0x108/0x460
[  365.466884]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  365.471642]  ? trace_hardirqs_off+0xb8/0x310
[  365.476052]  ? smpboot_thread_fn+0x68b/0xa00
[  365.480472]  ? trace_hardirqs_on+0x310/0x310
[  365.484888]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  365.490423]  ? check_preemption_disabled+0x48/0x280
[  365.495433]  ? takeover_tasklets+0xa90/0xa90
[  365.499843]  run_ksoftirqd+0x5e/0x100
[  365.503640]  smpboot_thread_fn+0x68b/0xa00
[  365.507883]  ? sort_range+0x30/0x30
[  365.511503]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  365.516596]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  365.522122]  ? __kthread_parkme+0xfb/0x1a0
[  365.526355]  ? sort_range+0x30/0x30
[  365.529976]  kthread+0x35a/0x440
[  365.533344]  ? kthread_stop+0x900/0x900
[  365.537320]  ret_from_fork+0x3a/0x50
[  365.541040] warn_alloc_show_mem: 1 callbacks suppressed
[  365.541049] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  365.541050] Mem-Info:
[  365.541079] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  365.541079]  active_file:16 inactive_file:14 isolated_file:0
[  365.541079]  unevictable:0 dirty:0 writeback:0 unstable:0
[  365.541079]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  365.541079]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  365.541079]  free:13767 free_pcp:490 free_cma:0
[  365.546407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  365.546415] Call Trace:
[  365.553687] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  365.556078]  <IRQ>
[  365.589106] 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
[  365.598457]  dump_stack+0x244/0x39d
[  365.601007] lowmem_reserve[]: 0 2818 6321 6321
[  365.628669]  ? dump_stack_print_info.cold.1+0x20/0x20
[  365.630799] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  365.656911]  warn_alloc.cold.116+0xb7/0x1bd
[  365.660501] lowmem_reserve[]: 0 0 3503 3503
[  365.665069]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  365.670234] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  365.697724]  ? lock_downgrade+0x900/0x900
[  365.702012] lowmem_reserve[]: 0 0 0 0
[  365.706332]  ? trace_hardirqs_off+0xb8/0x310
[  365.711141] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  365.740285]  ? trace_hardirqs_off+0xb8/0x310
[  365.744402] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  365.748198]  __alloc_pages_slowpath+0x26e8/0x2e10
[  365.752576] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  365.766108]  ? warn_alloc+0x120/0x120
[  365.770472] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  365.785813]  ? print_usage_bug+0xc0/0xc0
[  365.790637] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  365.805701]  ? warn_alloc+0x120/0x120
[  365.809476] 1997 total pagecache pages
[  365.818318]  ? warn_alloc+0x120/0x120
[  365.822353] 0 pages in swap cache
[  365.830910]  ? print_usage_bug+0xc0/0xc0
[  365.834683] Swap cache stats: add 0, delete 0, find 0/0
[  365.838554]  ? kvm_clock_read+0x18/0x30
[  365.842325] Free swap  = 0kB
[  365.845764]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  365.849805] Total swap = 0kB
[  365.855154]  ? print_usage_bug+0xc0/0xc0
[  365.859098] 1965979 pages RAM
[  365.862102]  ? __lock_acquire+0x62f/0x4c20
[  365.867089] 0 pages HighMem/MovableOnly
[  365.870095]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  365.874119] 342853 pages reserved
[  365.874126] 0 pages cma reserved
[  365.877217]  ? should_fail+0x22d/0xd01
[  365.881477] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  365.885372]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  365.885390]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  365.890995] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  365.894335]  ? __lock_acquire+0x62f/0x4c20
[  365.897669] ksoftirqd/1 cpuset=/ mems_allowed=0
[  365.901546]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  365.942590]  ? __lock_acquire+0x62f/0x4c20
[  365.946820]  ? should_fail+0x22d/0xd01
[  365.950698]  ? rcu_irq_exit+0x1a2/0x390
[  365.954673]  ? mark_held_locks+0x130/0x130
[  365.958908]  ? mark_held_locks+0x130/0x130
[  365.963145]  ? mark_held_locks+0xc7/0x130
[  365.967286]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  365.972297]  ? zap_class+0x640/0x640
[  365.976458]  ? print_usage_bug+0xc0/0xc0
[  365.980537]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.986071]  ? check_preemption_disabled+0x48/0x280
[  365.991087]  ? __lock_is_held+0xb5/0x140
[  365.995148]  __alloc_pages_nodemask+0xa80/0xde0
[  365.999811]  ? zap_class+0x640/0x640
[  366.003538]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  366.008559]  ? find_held_lock+0x36/0x1c0
[  366.012622]  ? ____cache_alloc_node+0x1c7/0x1e0
[  366.017284]  ? lock_downgrade+0x900/0x900
[  366.021434]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.026970]  cache_grow_begin+0xa5/0x8c0
[  366.031023]  ? do_raw_spin_unlock+0xa7/0x330
[  366.035437]  fallback_alloc+0x204/0x2e0
[  366.039415]  ____cache_alloc_node+0x1c7/0x1e0
[  366.043908]  kmem_cache_alloc_node+0xe3/0x730
[  366.048397]  ? ipv6_get_ifaddr+0x42e/0x620
[  366.052641]  __alloc_skb+0x119/0x770
[  366.056352]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  366.061625]  ? netdev_alloc_frag+0x1f0/0x1f0
[  366.066029]  ? lock_downgrade+0x900/0x900
[  366.070177]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.075707]  ? refcount_sub_and_test_checked+0x203/0x310
[  366.081166]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  366.086610]  ? addrconf_rs_timer+0x690/0x690
[  366.091026]  ndisc_alloc_skb+0x144/0x340
[  366.095082]  ndisc_send_rs+0x331/0x6e0
[  366.098967]  addrconf_rs_timer+0x314/0x690
[  366.103199]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  366.107439]  call_timer_fn+0x272/0x920
[  366.111333]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  366.115564]  ? process_timeout+0x40/0x40
[  366.119629]  ? __run_timers+0x7da/0xc70
[  366.123602]  ? _raw_spin_unlock_irq+0x27/0x80
[  366.128092]  ? _raw_spin_unlock_irq+0x27/0x80
[  366.132592]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  366.136825]  ? lockdep_hardirqs_on+0x296/0x5b0
[  366.141405]  ? trace_hardirqs_on+0xbd/0x310
[  366.146041]  ? kasan_check_read+0x11/0x20
[  366.150188]  ? __run_timers+0x7da/0xc70
[  366.154158]  ? trace_hardirqs_off_caller+0x310/0x310
[  366.159264]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  366.163500]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  366.167730]  __run_timers+0x7e5/0xc70
[  366.171545]  ? timer_fixup_init+0x70/0x70
[  366.175692]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  366.180701]  ? zap_class+0x640/0x640
[  366.184410]  ? enqueue_hrtimer+0x1a5/0x560
[  366.188636]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  366.193823]  ? find_held_lock+0x36/0x1c0
[  366.197897]  ? zap_class+0x640/0x640
[  366.201607]  ? pvclock_read_flags+0x160/0x160
[  366.206098]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.211631]  ? check_preemption_disabled+0x48/0x280
[  366.216653]  ? __lock_is_held+0xb5/0x140
[  366.220721]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.226266]  ? check_preemption_disabled+0x48/0x280
[  366.231279]  run_timer_softirq+0x52/0xb0
[  366.235337]  ? rcu_read_lock_sched_held+0x14f/0x180
[  366.240346]  __do_softirq+0x308/0xb7e
[  366.244145]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  366.248631]  ? lock_downgrade+0x900/0x900
[  366.252782]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  366.257888]  ? pvclock_read_flags+0x160/0x160
[  366.262380]  ? lapic_next_event+0x5a/0x90
[  366.266525]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.272065]  ? kvm_clock_read+0x18/0x30
[  366.276031]  ? kvm_sched_clock_read+0x9/0x20
[  366.280437]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.285971]  ? check_preemption_disabled+0x48/0x280
[  366.290989]  irq_exit+0x17f/0x1c0
[  366.294441]  smp_apic_timer_interrupt+0x1cb/0x760
[  366.299281]  ? smp_reschedule_interrupt+0x109/0x650
[  366.304292]  ? smp_call_function_single_interrupt+0x650/0x650
[  366.310167]  ? interrupt_entry+0xb5/0xc0
[  366.314226]  ? trace_hardirqs_off_caller+0xbb/0x310
[  366.319240]  ? trace_hardirqs_off_caller+0xbb/0x310
[  366.324253]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  366.329102]  ? trace_hardirqs_on_caller+0x310/0x310
[  366.334113]  ? trace_hardirqs_on_caller+0x310/0x310
[  366.339121]  ? task_prio+0x50/0x50
[  366.342657]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.348189]  ? check_preemption_disabled+0x48/0x280
[  366.353202]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  366.358049]  apic_timer_interrupt+0xf/0x20
[  366.362270]  </IRQ>
[  366.364501] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  366.369425] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  366.388315] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  366.396015] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  366.403274] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  366.410536] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  366.417795] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  366.425055] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  366.432351]  skb_clone+0x1bb/0x500
[  366.435883]  ? finish_task_switch+0x2f4/0x910
[  366.440370]  ? skb_split+0x11e0/0x11e0
[  366.444254]  ? preempt_notifier_register+0x200/0x200
[  366.449348]  ? __switch_to_asm+0x34/0x70
[  366.453401]  ? __switch_to_asm+0x34/0x70
[  366.457454]  ? __switch_to_asm+0x40/0x70
[  366.461503]  ? __switch_to_asm+0x34/0x70
[  366.465555]  ? __switch_to_asm+0x40/0x70
[  366.469604]  ? __switch_to_asm+0x34/0x70
[  366.473659]  ? __switch_to_asm+0x40/0x70
[  366.477712]  ? __switch_to_asm+0x34/0x70
[  366.481774]  ? __switch_to_asm+0x34/0x70
[  366.485824]  ? __switch_to_asm+0x40/0x70
[  366.489876]  ? __switch_to_asm+0x34/0x70
[  366.493936]  bpf_clone_redirect+0xb9/0x490
[  366.498166]  ? __schedule+0x8d7/0x21d0
[  366.502057]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  366.506980]  ? __sched_text_start+0x8/0x8
[  366.511128]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  366.515702]  ? retint_kernel+0x2d/0x2d
[  366.519616]  ? trace_hardirqs_on_caller+0xc0/0x310
[  366.524545]  ? find_held_lock+0x36/0x1c0
[  366.528608]  ? lock_acquire+0x1ed/0x520
[  366.532574]  ? bpf_test_run+0x3cb/0x780
[  366.536540]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.542071]  ? check_preemption_disabled+0x48/0x280
[  366.547094]  ? kasan_check_read+0x11/0x20
[  366.551252]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  366.556520]  ? rcu_softirq_qs+0x20/0x20
[  366.560493]  ? preempt_schedule+0x4d/0x60
[  366.564633]  ? ___preempt_schedule+0x16/0x18
[  366.569039]  ? bpf_test_run+0x25d/0x780
[  366.573021]  ? netlink_diag_dump+0x2a0/0x2a0
[  366.577426]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  366.582959]  ? bpf_test_init.isra.10+0x70/0x100
[  366.587636]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  366.592396]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  366.597234]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  366.602762]  ? fput+0x130/0x1a0
[  366.606037]  ? __bpf_prog_get+0x9b/0x290
[  366.610098]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  366.614934]  ? bpf_prog_test_run+0x130/0x1a0
[  366.619342]  ? __x64_sys_bpf+0x3d8/0x520
[  366.623398]  ? bpf_prog_get+0x20/0x20
[  366.627210]  ? do_syscall_64+0x1b9/0x820
[  366.631266]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  366.636626]  ? syscall_return_slowpath+0x5e0/0x5e0
[  366.641549]  ? trace_hardirqs_on_caller+0x310/0x310
[  366.646558]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  366.651569]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  366.658227]  ? __switch_to_asm+0x40/0x70
[  366.662278]  ? __switch_to_asm+0x34/0x70
[  366.666339]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  366.671181]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  366.676556] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  366.676637] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  366.683440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  366.683445] Call Trace:
[  366.683464]  dump_stack+0x244/0x39d
[  366.683486]  ? dump_stack_print_info.cold.1+0x20/0x20
[  366.690023] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  366.699307]  warn_alloc.cold.116+0xb7/0x1bd
[  366.701853] syz-executor4 cpuset=syz4 mems_allowed=0
[  366.705470]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  366.735315]  ? lock_downgrade+0x900/0x900
[  366.739464]  ? trace_hardirqs_off+0xb8/0x310
[  366.743871]  ? trace_hardirqs_off+0xb8/0x310
[  366.748280]  __alloc_pages_slowpath+0x26e8/0x2e10
[  366.753142]  ? warn_alloc+0x120/0x120
[  366.756940]  ? print_usage_bug+0xc0/0xc0
[  366.760995]  ? warn_alloc+0x120/0x120
[  366.764795]  ? warn_alloc+0x120/0x120
[  366.768589]  ? print_usage_bug+0xc0/0xc0
[  366.772647]  ? print_usage_bug+0xc0/0xc0
[  366.776710]  ? __lock_acquire+0x62f/0x4c20
[  366.780948]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  366.786476]  ? should_fail+0x22d/0xd01
[  366.790359]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  366.795457]  ? __lock_acquire+0x62f/0x4c20
[  366.799689]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  366.804790]  ? __lock_acquire+0x62f/0x4c20
[  366.809016]  ? should_fail+0x22d/0xd01
[  366.812907]  ? mark_held_locks+0x130/0x130
[  366.817143]  ? mark_held_locks+0x130/0x130
[  366.821377]  ? lock_downgrade+0x900/0x900
[  366.825521]  ? zap_class+0x640/0x640
[  366.829231]  ? print_usage_bug+0xc0/0xc0
[  366.833284]  ? trace_hardirqs_off+0xb8/0x310
[  366.837686]  ? kasan_check_read+0x11/0x20
[  366.841837]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.847376]  ? check_preemption_disabled+0x48/0x280
[  366.852398]  ? __lock_is_held+0xb5/0x140
[  366.856458]  __alloc_pages_nodemask+0xa80/0xde0
[  366.861123]  ? zap_class+0x640/0x640
[  366.864834]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  366.869855]  ? find_held_lock+0x36/0x1c0
[  366.873918]  ? ____cache_alloc_node+0x1c7/0x1e0
[  366.878584]  ? lock_downgrade+0x900/0x900
[  366.882731]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.888269]  cache_grow_begin+0xa5/0x8c0
[  366.892336]  ? do_raw_spin_unlock+0xa7/0x330
[  366.896749]  fallback_alloc+0x204/0x2e0
[  366.900726]  ____cache_alloc_node+0x1c7/0x1e0
[  366.905237]  kmem_cache_alloc_node+0xe3/0x730
[  366.909727]  ? ipv6_get_ifaddr+0x42e/0x620
[  366.913970]  __alloc_skb+0x119/0x770
[  366.917674]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  366.922954]  ? netdev_alloc_frag+0x1f0/0x1f0
[  366.927357]  ? lock_downgrade+0x900/0x900
[  366.931504]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.937034]  ? refcount_sub_and_test_checked+0x203/0x310
[  366.942485]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  366.947931]  ? addrconf_rs_timer+0x690/0x690
[  366.952347]  ndisc_alloc_skb+0x144/0x340
[  366.956406]  ndisc_send_rs+0x331/0x6e0
[  366.960291]  addrconf_rs_timer+0x314/0x690
[  366.964523]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  366.968764]  call_timer_fn+0x272/0x920
[  366.972645]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  366.976874]  ? process_timeout+0x40/0x40
[  366.980938]  ? __run_timers+0x7da/0xc70
[  366.984910]  ? _raw_spin_unlock_irq+0x27/0x80
[  366.989397]  ? _raw_spin_unlock_irq+0x27/0x80
[  366.993883]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  366.998111]  ? lockdep_hardirqs_on+0x296/0x5b0
[  367.002694]  ? trace_hardirqs_on+0xbd/0x310
[  367.007010]  ? kasan_check_read+0x11/0x20
[  367.011151]  ? __run_timers+0x7da/0xc70
[  367.015123]  ? trace_hardirqs_off_caller+0x310/0x310
[  367.020227]  ? __queue_work+0x1440/0x1440
[  367.024375]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.028603]  __run_timers+0x7e5/0xc70
[  367.032492]  ? timer_fixup_init+0x70/0x70
[  367.036634]  ? _raw_spin_unlock_irq+0x27/0x80
[  367.041125]  ? _raw_spin_unlock_irq+0x27/0x80
[  367.045616]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  367.050202]  ? trace_hardirqs_on+0xbd/0x310
[  367.054523]  ? kasan_check_read+0x11/0x20
[  367.058690]  ? finish_task_switch+0x1f4/0x910
[  367.063185]  ? trace_hardirqs_off_caller+0x310/0x310
[  367.068309]  ? compat_start_thread+0x80/0x80
[  367.072734]  ? pvclock_read_flags+0x160/0x160
[  367.077228]  ? __switch_to_asm+0x34/0x70
[  367.081292]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.086827]  ? check_preemption_disabled+0x48/0x280
[  367.091845]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  367.097378]  ? rcu_pm_notify+0xc0/0xc0
[  367.101268]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.106807]  ? check_preemption_disabled+0x48/0x280
[  367.111829]  run_timer_softirq+0x52/0xb0
[  367.115886]  ? rcu_read_lock_sched_held+0x14f/0x180
[  367.120901]  __do_softirq+0x308/0xb7e
[  367.124711]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  367.129805]  ? trace_hardirqs_off+0xb8/0x310
[  367.134210]  ? rcu_irq_enter+0x18c/0x310
[  367.138291]  ? schedule+0x108/0x460
[  367.141913]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  367.146682]  ? trace_hardirqs_off+0xb8/0x310
[  367.151111]  ? smpboot_thread_fn+0x68b/0xa00
[  367.155513]  ? trace_hardirqs_on+0x310/0x310
[  367.159919]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  367.165453]  ? check_preemption_disabled+0x48/0x280
[  367.170464]  ? takeover_tasklets+0xa90/0xa90
[  367.174866]  run_ksoftirqd+0x5e/0x100
[  367.178662]  smpboot_thread_fn+0x68b/0xa00
[  367.182903]  ? sort_range+0x30/0x30
[  367.186522]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  367.191621]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  367.197152]  ? __kthread_parkme+0xfb/0x1a0
[  367.201387]  ? sort_range+0x30/0x30
[  367.205006]  kthread+0x35a/0x440
[  367.208365]  ? kthread_stop+0x900/0x900
[  367.212333]  ret_from_fork+0x3a/0x50
[  367.216057] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  367.216061] warn_alloc_show_mem: 1 callbacks suppressed
[  367.216067] Mem-Info:
[  367.223329] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  367.228698] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  367.228698]  active_file:16 inactive_file:14 isolated_file:0
[  367.228698]  unevictable:0 dirty:0 writeback:0 unstable:0
[  367.228698]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  367.228698]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  367.228698]  free:13767 free_pcp:490 free_cma:0
[  367.231065] Call Trace:
[  367.231073]  <IRQ>
[  367.240444] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  367.273469]  dump_stack+0x244/0x39d
[  367.276025] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  367.278169]  ? dump_stack_print_info.cold.1+0x20/0x20
[  367.306026] lowmem_reserve[]: 0 2818 6321 6321
[  367.309653]  warn_alloc.cold.116+0xb7/0x1bd
[  367.335728] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  367.340907]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  367.345450] lowmem_reserve[]: 0 0 3503 3503
[  367.349769]  ? lock_downgrade+0x900/0x900
[  367.377234] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  367.382155]  ? trace_hardirqs_off+0xb8/0x310
[  367.386441] lowmem_reserve[]: 0 0 0 0
[  367.390584]  ? trace_hardirqs_off+0xb8/0x310
[  367.419701] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  367.424106]  __alloc_pages_slowpath+0x26e8/0x2e10
[  367.427870] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  367.432292]  ? warn_alloc+0x120/0x120
[  367.445763] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  367.450601]  ? print_usage_bug+0xc0/0xc0
[  367.465943] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  367.469726]  ? warn_alloc+0x120/0x120
[  367.484783] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  367.484790] 1997 total pagecache pages
[  367.488841]  ? warn_alloc+0x120/0x120
[  367.497657] 0 pages in swap cache
[  367.501443]  ? print_usage_bug+0xc0/0xc0
[  367.509989] Swap cache stats: add 0, delete 0, find 0/0
[  367.513864]  ? kvm_clock_read+0x18/0x30
[  367.517636] Free swap  = 0kB
[  367.521085]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  367.525119] Total swap = 0kB
[  367.530467]  ? print_usage_bug+0xc0/0xc0
[  367.534409] 1965979 pages RAM
[  367.537412]  ? __lock_acquire+0x62f/0x4c20
[  367.542393] 0 pages HighMem/MovableOnly
[  367.542401] 342853 pages reserved
[  367.545406]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  367.549433] 0 pages cma reserved
[  367.549503] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  367.552536]  ? should_fail+0x22d/0xd01
[  367.556877] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  367.560786]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  367.564210] ksoftirqd/1 cpuset=/ mems_allowed=0
[  367.569733]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  367.608700]  ? __lock_acquire+0x62f/0x4c20
[  367.612934]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  367.618035]  ? __lock_acquire+0x62f/0x4c20
[  367.622264]  ? should_fail+0x22d/0xd01
[  367.626142]  ? rcu_irq_exit+0x1a2/0x390
[  367.630122]  ? mark_held_locks+0x130/0x130
[  367.634384]  ? mark_held_locks+0x130/0x130
[  367.638622]  ? mark_held_locks+0xc7/0x130
[  367.642778]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  367.647798]  ? zap_class+0x640/0x640
[  367.651508]  ? print_usage_bug+0xc0/0xc0
[  367.655566]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.661097]  ? check_preemption_disabled+0x48/0x280
[  367.666116]  ? __lock_is_held+0xb5/0x140
[  367.670183]  __alloc_pages_nodemask+0xa80/0xde0
[  367.674848]  ? zap_class+0x640/0x640
[  367.678556]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  367.683585]  ? find_held_lock+0x36/0x1c0
[  367.687661]  ? ____cache_alloc_node+0x1c7/0x1e0
[  367.692338]  ? lock_downgrade+0x900/0x900
[  367.696485]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.702040]  cache_grow_begin+0xa5/0x8c0
[  367.706104]  ? do_raw_spin_unlock+0xa7/0x330
[  367.710510]  fallback_alloc+0x204/0x2e0
[  367.714483]  ____cache_alloc_node+0x1c7/0x1e0
[  367.718974]  kmem_cache_alloc_node+0xe3/0x730
[  367.723480]  ? ipv6_get_ifaddr+0x42e/0x620
[  367.727719]  __alloc_skb+0x119/0x770
[  367.731424]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  367.736698]  ? netdev_alloc_frag+0x1f0/0x1f0
[  367.741098]  ? lock_downgrade+0x900/0x900
[  367.745243]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.750773]  ? refcount_sub_and_test_checked+0x203/0x310
[  367.756315]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  367.761766]  ? addrconf_rs_timer+0x690/0x690
[  367.766179]  ndisc_alloc_skb+0x144/0x340
[  367.770237]  ndisc_send_rs+0x331/0x6e0
[  367.774127]  addrconf_rs_timer+0x314/0x690
[  367.778369]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.782607]  call_timer_fn+0x272/0x920
[  367.786499]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.790726]  ? process_timeout+0x40/0x40
[  367.794786]  ? __run_timers+0x7da/0xc70
[  367.798756]  ? _raw_spin_unlock_irq+0x27/0x80
[  367.803244]  ? _raw_spin_unlock_irq+0x27/0x80
[  367.807733]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.811960]  ? lockdep_hardirqs_on+0x296/0x5b0
[  367.816536]  ? trace_hardirqs_on+0xbd/0x310
[  367.820850]  ? kasan_check_read+0x11/0x20
[  367.824992]  ? __run_timers+0x7da/0xc70
[  367.828961]  ? trace_hardirqs_off_caller+0x310/0x310
[  367.834062]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.838307]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.842536]  __run_timers+0x7e5/0xc70
[  367.846344]  ? timer_fixup_init+0x70/0x70
[  367.850486]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  367.855499]  ? zap_class+0x640/0x640
[  367.859210]  ? enqueue_hrtimer+0x1a5/0x560
[  367.863439]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  367.868637]  ? find_held_lock+0x36/0x1c0
[  367.872702]  ? zap_class+0x640/0x640
[  367.876414]  ? pvclock_read_flags+0x160/0x160
[  367.880905]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.886438]  ? check_preemption_disabled+0x48/0x280
[  367.891457]  ? __lock_is_held+0xb5/0x140
[  367.895514]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.901044]  ? check_preemption_disabled+0x48/0x280
[  367.906061]  run_timer_softirq+0x52/0xb0
[  367.910118]  ? rcu_read_lock_sched_held+0x14f/0x180
[  367.915127]  __do_softirq+0x308/0xb7e
[  367.918926]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  367.923412]  ? lock_downgrade+0x900/0x900
[  367.927557]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  367.932663]  ? pvclock_read_flags+0x160/0x160
[  367.937155]  ? lapic_next_event+0x5a/0x90
[  367.941303]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.946839]  ? kvm_clock_read+0x18/0x30
[  367.950808]  ? kvm_sched_clock_read+0x9/0x20
[  367.955211]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.960741]  ? check_preemption_disabled+0x48/0x280
[  367.965757]  irq_exit+0x17f/0x1c0
[  367.969206]  smp_apic_timer_interrupt+0x1cb/0x760
[  367.974041]  ? smp_reschedule_interrupt+0x109/0x650
[  367.979515]  ? smp_call_function_single_interrupt+0x650/0x650
[  367.985394]  ? interrupt_entry+0xb5/0xc0
[  367.989450]  ? trace_hardirqs_off_caller+0xbb/0x310
[  367.994461]  ? trace_hardirqs_off_caller+0xbb/0x310
[  367.999474]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  368.004314]  ? trace_hardirqs_on_caller+0x310/0x310
[  368.009324]  ? trace_hardirqs_on_caller+0x310/0x310
[  368.014331]  ? task_prio+0x50/0x50
[  368.017866]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.023398]  ? check_preemption_disabled+0x48/0x280
[  368.028412]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  368.033254]  apic_timer_interrupt+0xf/0x20
[  368.037477]  </IRQ>
[  368.039709] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  368.044643] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  368.063535] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  368.071239] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  368.078504] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  368.085770] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  368.093029] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  368.100288] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  368.107588]  skb_clone+0x1bb/0x500
[  368.111136]  ? finish_task_switch+0x2f4/0x910
[  368.115633]  ? skb_split+0x11e0/0x11e0
[  368.119515]  ? preempt_notifier_register+0x200/0x200
[  368.124625]  ? __switch_to_asm+0x34/0x70
[  368.128677]  ? __switch_to_asm+0x34/0x70
[  368.132729]  ? __switch_to_asm+0x40/0x70
[  368.136782]  ? __switch_to_asm+0x34/0x70
[  368.140831]  ? __switch_to_asm+0x40/0x70
[  368.145183]  ? __switch_to_asm+0x34/0x70
[  368.149236]  ? __switch_to_asm+0x40/0x70
[  368.153286]  ? __switch_to_asm+0x34/0x70
[  368.157341]  ? __switch_to_asm+0x34/0x70
[  368.161392]  ? __switch_to_asm+0x40/0x70
[  368.165442]  ? __switch_to_asm+0x34/0x70
[  368.169502]  bpf_clone_redirect+0xb9/0x490
[  368.173732]  ? __schedule+0x8d7/0x21d0
[  368.177630]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  368.182552]  ? __sched_text_start+0x8/0x8
[  368.186696]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  368.191273]  ? retint_kernel+0x2d/0x2d
[  368.195152]  ? trace_hardirqs_on_caller+0xc0/0x310
[  368.200078]  ? find_held_lock+0x36/0x1c0
[  368.204139]  ? lock_acquire+0x1ed/0x520
[  368.208107]  ? bpf_test_run+0x3cb/0x780
[  368.212074]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.217616]  ? check_preemption_disabled+0x48/0x280
[  368.222635]  ? kasan_check_read+0x11/0x20
[  368.226778]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  368.232050]  ? rcu_softirq_qs+0x20/0x20
[  368.236021]  ? preempt_schedule+0x4d/0x60
[  368.240164]  ? ___preempt_schedule+0x16/0x18
[  368.244583]  ? bpf_test_run+0x25d/0x780
[  368.248571]  ? netlink_diag_dump+0x2a0/0x2a0
[  368.252986]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  368.258516]  ? bpf_test_init.isra.10+0x70/0x100
[  368.263183]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  368.267940]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  368.272776]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  368.278304]  ? fput+0x130/0x1a0
[  368.281582]  ? __bpf_prog_get+0x9b/0x290
[  368.285657]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  368.290492]  ? bpf_prog_test_run+0x130/0x1a0
[  368.294896]  ? __x64_sys_bpf+0x3d8/0x520
[  368.298959]  ? bpf_prog_get+0x20/0x20
[  368.302771]  ? do_syscall_64+0x1b9/0x820
[  368.306827]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  368.312188]  ? syscall_return_slowpath+0x5e0/0x5e0
[  368.317115]  ? trace_hardirqs_on_caller+0x310/0x310
[  368.322129]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  368.327141]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  368.333800]  ? __switch_to_asm+0x40/0x70
[  368.337851]  ? __switch_to_asm+0x34/0x70
[  368.341908]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  368.346749]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  368.352124] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  368.352187] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  368.358967] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  368.358972] Call Trace:
[  368.358989]  dump_stack+0x244/0x39d
[  368.359008]  ? dump_stack_print_info.cold.1+0x20/0x20
[  368.365517] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  368.374824]  warn_alloc.cold.116+0xb7/0x1bd
[  368.377381] syz-executor4 cpuset=syz4 mems_allowed=0
[  368.380997]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  368.410852]  ? lock_downgrade+0x900/0x900
[  368.414999]  ? trace_hardirqs_off+0xb8/0x310
[  368.419414]  ? trace_hardirqs_off+0xb8/0x310
[  368.423823]  __alloc_pages_slowpath+0x26e8/0x2e10
[  368.428690]  ? warn_alloc+0x120/0x120
[  368.432487]  ? print_usage_bug+0xc0/0xc0
[  368.436546]  ? warn_alloc+0x120/0x120
[  368.440353]  ? warn_alloc+0x120/0x120
[  368.444148]  ? print_usage_bug+0xc0/0xc0
[  368.448212]  ? print_usage_bug+0xc0/0xc0
[  368.452268]  ? __lock_acquire+0x62f/0x4c20
[  368.456502]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  368.462034]  ? should_fail+0x22d/0xd01
[  368.465920]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  368.471019]  ? __lock_acquire+0x62f/0x4c20
[  368.475254]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  368.480349]  ? __lock_acquire+0x62f/0x4c20
[  368.484588]  ? should_fail+0x22d/0xd01
[  368.488471]  ? find_held_lock+0x36/0x1c0
[  368.492538]  ? mark_held_locks+0x130/0x130
[  368.496866]  ? mark_held_locks+0x130/0x130
[  368.501100]  ? zap_class+0x640/0x640
[  368.504807]  ? zap_class+0x640/0x640
[  368.508520]  ? print_usage_bug+0xc0/0xc0
[  368.512580]  ? do_raw_spin_unlock+0xa7/0x330
[  368.516982]  ? zap_class+0x640/0x640
[  368.520689]  ? print_usage_bug+0xc0/0xc0
[  368.524745]  ? wq_watchdog_touch+0x9c/0xfe
[  368.528981]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.534516]  ? check_preemption_disabled+0x48/0x280
[  368.539538]  ? __lock_is_held+0xb5/0x140
[  368.543607]  __alloc_pages_nodemask+0xa80/0xde0
[  368.548269]  ? zap_class+0x640/0x640
[  368.551981]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  368.557003]  ? find_held_lock+0x36/0x1c0
[  368.561068]  ? ____cache_alloc_node+0x1c7/0x1e0
[  368.565735]  ? lock_downgrade+0x900/0x900
[  368.569888]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.575425]  cache_grow_begin+0xa5/0x8c0
[  368.579613]  ? do_raw_spin_unlock+0xa7/0x330
[  368.584024]  fallback_alloc+0x204/0x2e0
[  368.587997]  ____cache_alloc_node+0x1c7/0x1e0
[  368.592493]  kmem_cache_alloc_node+0xe3/0x730
[  368.596987]  ? ipv6_get_ifaddr+0x42e/0x620
[  368.601229]  __alloc_skb+0x119/0x770
[  368.605126]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  368.610399]  ? netdev_alloc_frag+0x1f0/0x1f0
[  368.614804]  ? lock_downgrade+0x900/0x900
[  368.618956]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.624487]  ? refcount_sub_and_test_checked+0x203/0x310
[  368.629939]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  368.635386]  ? addrconf_rs_timer+0x690/0x690
[  368.639801]  ndisc_alloc_skb+0x144/0x340
[  368.643863]  ndisc_send_rs+0x331/0x6e0
[  368.647749]  addrconf_rs_timer+0x314/0x690
[  368.652328]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  368.656574]  call_timer_fn+0x272/0x920
[  368.660459]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  368.664686]  ? process_timeout+0x40/0x40
[  368.668746]  ? __run_timers+0x7da/0xc70
[  368.672714]  ? _raw_spin_unlock_irq+0x27/0x80
[  368.677205]  ? _raw_spin_unlock_irq+0x27/0x80
[  368.681692]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  368.685920]  ? lockdep_hardirqs_on+0x296/0x5b0
[  368.690502]  ? trace_hardirqs_on+0xbd/0x310
[  368.694816]  ? kasan_check_read+0x11/0x20
[  368.698955]  ? __run_timers+0x7da/0xc70
[  368.702997]  ? trace_hardirqs_off_caller+0x310/0x310
[  368.708104]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  368.712569]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  368.716797]  __run_timers+0x7e5/0xc70
[  368.720614]  ? timer_fixup_init+0x70/0x70
[  368.724758]  ? _raw_spin_unlock_irq+0x27/0x80
[  368.729250]  ? _raw_spin_unlock_irq+0x27/0x80
[  368.733743]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  368.738322]  ? trace_hardirqs_on+0xbd/0x310
[  368.742637]  ? kasan_check_read+0x11/0x20
[  368.746779]  ? finish_task_switch+0x1f4/0x910
[  368.751274]  ? trace_hardirqs_off_caller+0x310/0x310
[  368.756379]  ? compat_start_thread+0x80/0x80
[  368.760801]  ? pvclock_read_flags+0x160/0x160
[  368.765288]  ? __switch_to_asm+0x34/0x70
[  368.769343]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.774873]  ? check_preemption_disabled+0x48/0x280
[  368.779977]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  368.785511]  ? rcu_pm_notify+0xc0/0xc0
[  368.789405]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.794937]  ? check_preemption_disabled+0x48/0x280
[  368.799954]  run_timer_softirq+0x52/0xb0
[  368.804008]  ? rcu_read_lock_sched_held+0x14f/0x180
[  368.809021]  __do_softirq+0x308/0xb7e
[  368.812825]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  368.817930]  ? trace_hardirqs_off+0xb8/0x310
[  368.822331]  ? rcu_irq_enter+0x18c/0x310
[  368.826392]  ? schedule+0x108/0x460
[  368.830017]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  368.835247]  ? trace_hardirqs_off+0xb8/0x310
[  368.839655]  ? smpboot_thread_fn+0x68b/0xa00
[  368.844057]  ? trace_hardirqs_on+0x310/0x310
[  368.848468]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  368.854000]  ? check_preemption_disabled+0x48/0x280
[  368.859011]  ? takeover_tasklets+0xa90/0xa90
[  368.863414]  run_ksoftirqd+0x5e/0x100
[  368.867207]  smpboot_thread_fn+0x68b/0xa00
[  368.871442]  ? sort_range+0x30/0x30
[  368.875073]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  368.880171]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  368.885704]  ? __kthread_parkme+0xfb/0x1a0
[  368.889938]  ? sort_range+0x30/0x30
[  368.893562]  kthread+0x35a/0x440
[  368.896928]  ? kthread_stop+0x900/0x900
[  368.900903]  ret_from_fork+0x3a/0x50
[  368.904624] warn_alloc_show_mem: 1 callbacks suppressed
[  368.904644] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  368.904645] Mem-Info:
[  368.904675] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  368.904675]  active_file:16 inactive_file:14 isolated_file:0
[  368.904675]  unevictable:0 dirty:0 writeback:0 unstable:0
[  368.904675]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  368.904675]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  368.904675]  free:13767 free_pcp:490 free_cma:0
[  368.910013] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  368.917281] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  368.919669] Call Trace:
[  368.952698] 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
[  368.962231]  <IRQ>
[  368.989878] lowmem_reserve[]: 0 2818 6321 6321
[  368.992453]  dump_stack+0x244/0x39d
[  369.018616] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  369.020763]  ? dump_stack_print_info.cold.1+0x20/0x20
[  369.025311] lowmem_reserve[]: 0 0 3503 3503
[  369.028937]  warn_alloc.cold.116+0xb7/0x1bd
[  369.056411] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  369.061592]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  369.065881] lowmem_reserve[]: 0 0 0 0
[  369.070200]  ? lock_downgrade+0x900/0x900
[  369.099314] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  369.104156]  ? trace_hardirqs_off+0xb8/0x310
[  369.107931] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  369.112089]  ? trace_hardirqs_off+0xb8/0x310
[  369.125573] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  369.129995]  __alloc_pages_slowpath+0x26e8/0x2e10
[  369.145313] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  369.149730]  ? warn_alloc+0x120/0x120
[  369.164767] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  369.169591]  ? print_usage_bug+0xc0/0xc0
[  369.178482] 1997 total pagecache pages
[  369.182268]  ? warn_alloc+0x120/0x120
[  369.190818] 0 pages in swap cache
[  369.194860]  ? warn_alloc+0x120/0x120
[  369.198719] Swap cache stats: add 0, delete 0, find 0/0
[  369.202509]  ? print_usage_bug+0xc0/0xc0
[  369.205938] Free swap  = 0kB
[  369.209724]  ? print_usage_bug+0xc0/0xc0
[  369.215056] Total swap = 0kB
[  369.219101]  ? __lock_acquire+0x62f/0x4c20
[  369.222093] 1965979 pages RAM
[  369.226144]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  369.229130] 0 pages HighMem/MovableOnly
[  369.229137] 342853 pages reserved
[  369.233368]  ? should_fail+0x22d/0xd01
[  369.236443] 0 pages cma reserved
[  369.241967]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  369.245974] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  369.249353]  ? __lock_acquire+0x62f/0x4c20
[  369.249370]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  369.249385]  ? __lock_acquire+0x62f/0x4c20
[  369.253298] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  369.256601]  ? should_fail+0x22d/0xd01
[  369.261672] ksoftirqd/1 cpuset=/ mems_allowed=0
[  369.268152]  ? find_held_lock+0x36/0x1c0
[  369.304529]  ? mark_held_locks+0x130/0x130
[  369.308770]  ? mark_held_locks+0x130/0x130
[  369.312998]  ? zap_class+0x640/0x640
[  369.316710]  ? zap_class+0x640/0x640
[  369.320419]  ? print_usage_bug+0xc0/0xc0
[  369.324483]  ? do_raw_spin_unlock+0xa7/0x330
[  369.328904]  ? zap_class+0x640/0x640
[  369.332614]  ? print_usage_bug+0xc0/0xc0
[  369.336674]  ? wq_watchdog_touch+0x9c/0xfe
[  369.340908]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.346441]  ? check_preemption_disabled+0x48/0x280
[  369.351461]  ? __lock_is_held+0xb5/0x140
[  369.355534]  __alloc_pages_nodemask+0xa80/0xde0
[  369.360199]  ? zap_class+0x640/0x640
[  369.363932]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  369.368952]  ? find_held_lock+0x36/0x1c0
[  369.373014]  ? ____cache_alloc_node+0x1c7/0x1e0
[  369.377689]  ? lock_downgrade+0x900/0x900
[  369.381837]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.387373]  cache_grow_begin+0xa5/0x8c0
[  369.391457]  ? do_raw_spin_unlock+0xa7/0x330
[  369.395871]  fallback_alloc+0x204/0x2e0
[  369.399849]  ____cache_alloc_node+0x1c7/0x1e0
[  369.404344]  kmem_cache_alloc_node+0xe3/0x730
[  369.408849]  ? ipv6_get_ifaddr+0x42e/0x620
[  369.413088]  __alloc_skb+0x119/0x770
[  369.416794]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  369.422068]  ? netdev_alloc_frag+0x1f0/0x1f0
[  369.426473]  ? lock_downgrade+0x900/0x900
[  369.430633]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.436165]  ? refcount_sub_and_test_checked+0x203/0x310
[  369.441698]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  369.447154]  ? addrconf_rs_timer+0x690/0x690
[  369.451657]  ndisc_alloc_skb+0x144/0x340
[  369.455715]  ndisc_send_rs+0x331/0x6e0
[  369.459605]  addrconf_rs_timer+0x314/0x690
[  369.463851]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  369.468092]  call_timer_fn+0x272/0x920
[  369.471972]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  369.476204]  ? process_timeout+0x40/0x40
[  369.480264]  ? __run_timers+0x7da/0xc70
[  369.484232]  ? _raw_spin_unlock_irq+0x27/0x80
[  369.488721]  ? _raw_spin_unlock_irq+0x27/0x80
[  369.493206]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  369.497433]  ? lockdep_hardirqs_on+0x296/0x5b0
[  369.502017]  ? trace_hardirqs_on+0xbd/0x310
[  369.506333]  ? kasan_check_read+0x11/0x20
[  369.510476]  ? __run_timers+0x7da/0xc70
[  369.514471]  ? trace_hardirqs_off_caller+0x310/0x310
[  369.519595]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  369.523831]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  369.528056]  __run_timers+0x7e5/0xc70
[  369.531859]  ? timer_fixup_init+0x70/0x70
[  369.536016]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  369.541030]  ? zap_class+0x640/0x640
[  369.544740]  ? enqueue_hrtimer+0x1a5/0x560
[  369.548974]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  369.554163]  ? find_held_lock+0x36/0x1c0
[  369.558224]  ? zap_class+0x640/0x640
[  369.561935]  ? pvclock_read_flags+0x160/0x160
[  369.566523]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.572058]  ? check_preemption_disabled+0x48/0x280
[  369.577077]  ? __lock_is_held+0xb5/0x140
[  369.581133]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.586666]  ? check_preemption_disabled+0x48/0x280
[  369.591684]  run_timer_softirq+0x52/0xb0
[  369.595739]  ? rcu_read_lock_sched_held+0x14f/0x180
[  369.600753]  __do_softirq+0x308/0xb7e
[  369.604550]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  369.609038]  ? lock_downgrade+0x900/0x900
[  369.613182]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  369.618286]  ? pvclock_read_flags+0x160/0x160
[  369.622775]  ? lapic_next_event+0x5a/0x90
[  369.626917]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.632459]  ? kvm_clock_read+0x18/0x30
[  369.636432]  ? kvm_sched_clock_read+0x9/0x20
[  369.640837]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.646366]  ? check_preemption_disabled+0x48/0x280
[  369.651383]  irq_exit+0x17f/0x1c0
[  369.654834]  smp_apic_timer_interrupt+0x1cb/0x760
[  369.659669]  ? smp_reschedule_interrupt+0x109/0x650
[  369.664687]  ? smp_call_function_single_interrupt+0x650/0x650
[  369.670564]  ? interrupt_entry+0xb5/0xc0
[  369.674621]  ? trace_hardirqs_off_caller+0xbb/0x310
[  369.679631]  ? trace_hardirqs_off_caller+0xbb/0x310
[  369.684641]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  369.689492]  ? trace_hardirqs_on_caller+0x310/0x310
[  369.694514]  ? trace_hardirqs_on_caller+0x310/0x310
[  369.699523]  ? task_prio+0x50/0x50
[  369.703068]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.708604]  ? check_preemption_disabled+0x48/0x280
[  369.713620]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  369.718467]  apic_timer_interrupt+0xf/0x20
[  369.722702]  </IRQ>
[  369.724939] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  369.729862] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  369.748755] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  369.756468] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  369.763740] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  369.771002] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  369.778265] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  369.785539] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  369.792847]  skb_clone+0x1bb/0x500
[  369.796384]  ? finish_task_switch+0x2f4/0x910
[  369.800875]  ? skb_split+0x11e0/0x11e0
[  369.804758]  ? preempt_notifier_register+0x200/0x200
[  369.809853]  ? __switch_to_asm+0x34/0x70
[  369.813909]  ? __switch_to_asm+0x34/0x70
[  369.817965]  ? __switch_to_asm+0x40/0x70
[  369.822016]  ? __switch_to_asm+0x34/0x70
[  369.826070]  ? __switch_to_asm+0x40/0x70
[  369.830120]  ? __switch_to_asm+0x34/0x70
[  369.834170]  ? __switch_to_asm+0x40/0x70
[  369.838222]  ? __switch_to_asm+0x34/0x70
[  369.842276]  ? __switch_to_asm+0x34/0x70
[  369.846331]  ? __switch_to_asm+0x40/0x70
[  369.850398]  ? __switch_to_asm+0x34/0x70
[  369.854455]  bpf_clone_redirect+0xb9/0x490
[  369.858694]  ? __schedule+0x8d7/0x21d0
[  369.862585]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  369.867513]  ? __sched_text_start+0x8/0x8
[  369.871658]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  369.876231]  ? retint_kernel+0x2d/0x2d
[  369.880112]  ? trace_hardirqs_on_caller+0xc0/0x310
[  369.885040]  ? find_held_lock+0x36/0x1c0
[  369.889104]  ? lock_acquire+0x1ed/0x520
[  369.893075]  ? bpf_test_run+0x3cb/0x780
[  369.897043]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.902576]  ? check_preemption_disabled+0x48/0x280
[  369.907590]  ? kasan_check_read+0x11/0x20
[  369.911730]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  369.916998]  ? rcu_softirq_qs+0x20/0x20
[  369.920970]  ? preempt_schedule+0x4d/0x60
[  369.925114]  ? ___preempt_schedule+0x16/0x18
[  369.929544]  ? bpf_test_run+0x25d/0x780
[  369.933523]  ? netlink_diag_dump+0x2a0/0x2a0
[  369.937928]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  369.943464]  ? bpf_test_init.isra.10+0x70/0x100
[  369.948141]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  369.952902]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  369.957735]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  369.963267]  ? fput+0x130/0x1a0
[  369.966730]  ? __bpf_prog_get+0x9b/0x290
[  369.970788]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  369.976156]  ? bpf_prog_test_run+0x130/0x1a0
[  369.980571]  ? __x64_sys_bpf+0x3d8/0x520
[  369.984628]  ? bpf_prog_get+0x20/0x20
[  369.988442]  ? do_syscall_64+0x1b9/0x820
[  369.992511]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  369.997870]  ? syscall_return_slowpath+0x5e0/0x5e0
[  370.002797]  ? trace_hardirqs_on_caller+0x310/0x310
[  370.007807]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  370.012820]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  370.019490]  ? __switch_to_asm+0x40/0x70
[  370.023555]  ? __switch_to_asm+0x34/0x70
[  370.027615]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  370.032463]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  370.037843] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  370.037905] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  370.044678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  370.044683] Call Trace:
[  370.044700]  dump_stack+0x244/0x39d
[  370.044717]  ? dump_stack_print_info.cold.1+0x20/0x20
[  370.044744]  warn_alloc.cold.116+0xb7/0x1bd
[  370.051289] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  370.060548]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  370.063104] syz-executor4 cpuset=syz4 mems_allowed=0
[  370.066729]  ? lock_downgrade+0x900/0x900
[  370.100717]  ? trace_hardirqs_off+0xb8/0x310
[  370.105126]  ? trace_hardirqs_off+0xb8/0x310
[  370.109538]  __alloc_pages_slowpath+0x26e8/0x2e10
[  370.114399]  ? warn_alloc+0x120/0x120
[  370.118196]  ? print_usage_bug+0xc0/0xc0
[  370.122253]  ? warn_alloc+0x120/0x120
[  370.126056]  ? warn_alloc+0x120/0x120
[  370.130040]  ? print_usage_bug+0xc0/0xc0
[  370.134099]  ? print_usage_bug+0xc0/0xc0
[  370.138154]  ? __lock_acquire+0x62f/0x4c20
[  370.142388]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  370.148922]  ? should_fail+0x22d/0xd01
[  370.152812]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  370.157912]  ? __lock_acquire+0x62f/0x4c20
[  370.162148]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  370.167251]  ? __lock_acquire+0x62f/0x4c20
[  370.171478]  ? should_fail+0x22d/0xd01
[  370.175362]  ? find_held_lock+0x36/0x1c0
[  370.179426]  ? mark_held_locks+0x130/0x130
[  370.183663]  ? mark_held_locks+0x130/0x130
[  370.187895]  ? zap_class+0x640/0x640
[  370.191608]  ? zap_class+0x640/0x640
[  370.195318]  ? print_usage_bug+0xc0/0xc0
[  370.199376]  ? do_raw_spin_unlock+0xa7/0x330
[  370.203778]  ? zap_class+0x640/0x640
[  370.207487]  ? print_usage_bug+0xc0/0xc0
[  370.211545]  ? wq_watchdog_touch+0x9c/0xfe
[  370.215779]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.221314]  ? check_preemption_disabled+0x48/0x280
[  370.226334]  ? __lock_is_held+0xb5/0x140
[  370.230410]  __alloc_pages_nodemask+0xa80/0xde0
[  370.235079]  ? zap_class+0x640/0x640
[  370.238795]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  370.243819]  ? find_held_lock+0x36/0x1c0
[  370.247887]  ? ____cache_alloc_node+0x1c7/0x1e0
[  370.252551]  ? lock_downgrade+0x900/0x900
[  370.256703]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.262243]  cache_grow_begin+0xa5/0x8c0
[  370.266299]  ? do_raw_spin_unlock+0xa7/0x330
[  370.270709]  fallback_alloc+0x204/0x2e0
[  370.274689]  ____cache_alloc_node+0x1c7/0x1e0
[  370.279188]  kmem_cache_alloc_node+0xe3/0x730
[  370.283679]  ? ipv6_get_ifaddr+0x42e/0x620
[  370.287919]  __alloc_skb+0x119/0x770
[  370.291628]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  370.296901]  ? netdev_alloc_frag+0x1f0/0x1f0
[  370.301303]  ? lock_downgrade+0x900/0x900
[  370.305458]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.310992]  ? refcount_sub_and_test_checked+0x203/0x310
[  370.316449]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  370.321893]  ? addrconf_rs_timer+0x690/0x690
[  370.326309]  ndisc_alloc_skb+0x144/0x340
[  370.330372]  ndisc_send_rs+0x331/0x6e0
[  370.334257]  addrconf_rs_timer+0x314/0x690
[  370.338493]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.342736]  call_timer_fn+0x272/0x920
[  370.346618]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.350851]  ? process_timeout+0x40/0x40
[  370.354914]  ? __run_timers+0x7da/0xc70
[  370.358887]  ? _raw_spin_unlock_irq+0x27/0x80
[  370.363374]  ? _raw_spin_unlock_irq+0x27/0x80
[  370.367863]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.372095]  ? lockdep_hardirqs_on+0x296/0x5b0
[  370.376672]  ? trace_hardirqs_on+0xbd/0x310
[  370.380990]  ? kasan_check_read+0x11/0x20
[  370.385128]  ? __run_timers+0x7da/0xc70
[  370.389110]  ? trace_hardirqs_off_caller+0x310/0x310
[  370.394211]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.398452]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.402680]  __run_timers+0x7e5/0xc70
[  370.406485]  ? timer_fixup_init+0x70/0x70
[  370.410625]  ? _raw_spin_unlock_irq+0x27/0x80
[  370.415112]  ? _raw_spin_unlock_irq+0x27/0x80
[  370.419601]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  370.424178]  ? trace_hardirqs_on+0xbd/0x310
[  370.428493]  ? kasan_check_read+0x11/0x20
[  370.432634]  ? finish_task_switch+0x1f4/0x910
[  370.437126]  ? trace_hardirqs_off_caller+0x310/0x310
[  370.442227]  ? compat_start_thread+0x80/0x80
[  370.446650]  ? pvclock_read_flags+0x160/0x160
[  370.451137]  ? __switch_to_asm+0x34/0x70
[  370.455206]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.460742]  ? check_preemption_disabled+0x48/0x280
[  370.465760]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  370.471313]  ? rcu_pm_notify+0xc0/0xc0
[  370.475283]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.480814]  ? check_preemption_disabled+0x48/0x280
[  370.485827]  run_timer_softirq+0x52/0xb0
[  370.489883]  ? rcu_read_lock_sched_held+0x14f/0x180
[  370.494896]  __do_softirq+0x308/0xb7e
[  370.498701]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  370.503797]  ? trace_hardirqs_off+0xb8/0x310
[  370.508210]  ? rcu_irq_enter+0x18c/0x310
[  370.512278]  ? schedule+0x108/0x460
[  370.515900]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  370.520658]  ? trace_hardirqs_off+0xb8/0x310
[  370.525066]  ? smpboot_thread_fn+0x68b/0xa00
[  370.529468]  ? trace_hardirqs_on+0x310/0x310
[  370.533873]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  370.539407]  ? check_preemption_disabled+0x48/0x280
[  370.544431]  ? takeover_tasklets+0xa90/0xa90
[  370.548835]  run_ksoftirqd+0x5e/0x100
[  370.552630]  smpboot_thread_fn+0x68b/0xa00
[  370.557035]  ? sort_range+0x30/0x30
[  370.560670]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  370.565766]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  370.571297]  ? __kthread_parkme+0xfb/0x1a0
[  370.575529]  ? sort_range+0x30/0x30
[  370.579292]  kthread+0x35a/0x440
[  370.582674]  ? kthread_stop+0x900/0x900
[  370.586650]  ret_from_fork+0x3a/0x50
[  370.590374] warn_alloc_show_mem: 1 callbacks suppressed
[  370.590383] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  370.590385] Mem-Info:
[  370.590421] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  370.590421]  active_file:16 inactive_file:14 isolated_file:0
[  370.590421]  unevictable:0 dirty:0 writeback:0 unstable:0
[  370.590421]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  370.590421]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  370.590421]  free:13767 free_pcp:490 free_cma:0
[  370.595763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  370.603033] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  370.605432] Call Trace:
[  370.638463] 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
[  370.647814]  <IRQ>
[  370.675458] lowmem_reserve[]: 0 2818 6321 6321
[  370.678034]  dump_stack+0x244/0x39d
[  370.704110] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  370.706256]  ? dump_stack_print_info.cold.1+0x20/0x20
[  370.710804] lowmem_reserve[]: 0 0 3503 3503
[  370.714440]  warn_alloc.cold.116+0xb7/0x1bd
[  370.741897] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  370.747074]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  370.751364] lowmem_reserve[]: 0 0 0 0
[  370.755676]  ? lock_downgrade+0x900/0x900
[  370.784790] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  370.789629]  ? trace_hardirqs_off+0xb8/0x310
[  370.793401] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  370.797548]  ? trace_hardirqs_off+0xb8/0x310
[  370.811053] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  370.815458]  __alloc_pages_slowpath+0x26e8/0x2e10
[  370.830793] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  370.835209]  ? warn_alloc+0x120/0x120
[  370.850336] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  370.855163]  ? print_usage_bug+0xc0/0xc0
[  370.863965] 1997 total pagecache pages
[  370.867753]  ? warn_alloc+0x120/0x120
[  370.876303] 0 pages in swap cache
[  370.880348]  ? warn_alloc+0x120/0x120
[  370.884208] Swap cache stats: add 0, delete 0, find 0/0
[  370.887991]  ? print_usage_bug+0xc0/0xc0
[  370.891417] Free swap  = 0kB
[  370.895202]  ? kvm_clock_read+0x18/0x30
[  370.900619] Total swap = 0kB
[  370.904675]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  370.907662] 1965979 pages RAM
[  370.911619]  ? print_usage_bug+0xc0/0xc0
[  370.914607] 0 pages HighMem/MovableOnly
[  370.919607]  ? __lock_acquire+0x62f/0x4c20
[  370.922680] 342853 pages reserved
[  370.922687] 0 pages cma reserved
[  370.926737]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  370.930762] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  370.934904]  ? should_fail+0x22d/0xd01
[  370.938393] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  370.941696]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  370.947201] ksoftirqd/1 cpuset=/ mems_allowed=0
[  370.953678]  ? __lock_acquire+0x62f/0x4c20
[  370.981796]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  370.986904]  ? __lock_acquire+0x62f/0x4c20
[  370.991221]  ? should_fail+0x22d/0xd01
[  370.995112]  ? mark_held_locks+0x130/0x130
[  370.999343]  ? mark_held_locks+0x130/0x130
[  371.003582]  ? zap_class+0x640/0x640
[  371.007292]  ? print_usage_bug+0xc0/0xc0
[  371.011351]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.016886]  ? check_preemption_disabled+0x48/0x280
[  371.021919]  ? __lock_is_held+0xb5/0x140
[  371.026835]  __alloc_pages_nodemask+0xa80/0xde0
[  371.031500]  ? zap_class+0x640/0x640
[  371.035216]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  371.040240]  ? find_held_lock+0x36/0x1c0
[  371.044307]  ? ____cache_alloc_node+0x1c7/0x1e0
[  371.048972]  ? lock_downgrade+0x900/0x900
[  371.053127]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.058661]  cache_grow_begin+0xa5/0x8c0
[  371.062714]  ? do_raw_spin_unlock+0xa7/0x330
[  371.067128]  fallback_alloc+0x204/0x2e0
[  371.071104]  ____cache_alloc_node+0x1c7/0x1e0
[  371.075598]  kmem_cache_alloc_node+0xe3/0x730
[  371.080089]  ? ipv6_get_ifaddr+0x42e/0x620
[  371.084327]  __alloc_skb+0x119/0x770
[  371.088039]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  371.093315]  ? netdev_alloc_frag+0x1f0/0x1f0
[  371.097718]  ? lock_downgrade+0x900/0x900
[  371.101871]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.107410]  ? refcount_sub_and_test_checked+0x203/0x310
[  371.112857]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  371.118300]  ? addrconf_rs_timer+0x690/0x690
[  371.122718]  ndisc_alloc_skb+0x144/0x340
[  371.126786]  ndisc_send_rs+0x331/0x6e0
[  371.130674]  addrconf_rs_timer+0x314/0x690
[  371.134906]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  371.139155]  call_timer_fn+0x272/0x920
[  371.143036]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  371.147263]  ? process_timeout+0x40/0x40
[  371.151324]  ? __run_timers+0x7da/0xc70
[  371.155292]  ? _raw_spin_unlock_irq+0x27/0x80
[  371.159782]  ? _raw_spin_unlock_irq+0x27/0x80
[  371.164267]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  371.168498]  ? lockdep_hardirqs_on+0x296/0x5b0
[  371.173075]  ? trace_hardirqs_on+0xbd/0x310
[  371.177401]  ? kasan_check_read+0x11/0x20
[  371.181543]  ? __run_timers+0x7da/0xc70
[  371.185512]  ? trace_hardirqs_off_caller+0x310/0x310
[  371.190618]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  371.194846]  __run_timers+0x7e5/0xc70
[  371.198649]  ? timer_fixup_init+0x70/0x70
[  371.202796]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  371.207807]  ? zap_class+0x640/0x640
[  371.211517]  ? enqueue_hrtimer+0x1a5/0x560
[  371.215746]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  371.220936]  ? find_held_lock+0x36/0x1c0
[  371.224998]  ? zap_class+0x640/0x640
[  371.228710]  ? pvclock_read_flags+0x160/0x160
[  371.233203]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.238733]  ? check_preemption_disabled+0x48/0x280
[  371.243750]  ? __lock_is_held+0xb5/0x140
[  371.247804]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.253336]  ? check_preemption_disabled+0x48/0x280
[  371.258355]  run_timer_softirq+0x52/0xb0
[  371.262422]  ? rcu_read_lock_sched_held+0x14f/0x180
[  371.267437]  __do_softirq+0x308/0xb7e
[  371.271237]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  371.275726]  ? lock_downgrade+0x900/0x900
[  371.279873]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  371.284979]  ? pvclock_read_flags+0x160/0x160
[  371.289488]  ? lapic_next_event+0x5a/0x90
[  371.293631]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.299167]  ? kvm_clock_read+0x18/0x30
[  371.303139]  ? kvm_sched_clock_read+0x9/0x20
[  371.307547]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.313080]  ? check_preemption_disabled+0x48/0x280
[  371.318097]  irq_exit+0x17f/0x1c0
[  371.321554]  smp_apic_timer_interrupt+0x1cb/0x760
[  371.326397]  ? smp_reschedule_interrupt+0x109/0x650
[  371.331412]  ? smp_call_function_single_interrupt+0x650/0x650
[  371.337291]  ? interrupt_entry+0xb5/0xc0
[  371.341347]  ? trace_hardirqs_off_caller+0xbb/0x310
[  371.346375]  ? trace_hardirqs_off_caller+0xbb/0x310
[  371.351404]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  371.356244]  ? trace_hardirqs_on_caller+0x310/0x310
[  371.361251]  ? trace_hardirqs_on_caller+0x310/0x310
[  371.366260]  ? task_prio+0x50/0x50
[  371.369793]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.375328]  ? check_preemption_disabled+0x48/0x280
[  371.380359]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  371.385211]  apic_timer_interrupt+0xf/0x20
[  371.389435]  </IRQ>
[  371.391668] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  371.396596] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  371.415488] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  371.423188] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  371.430453] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  371.437713] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  371.444972] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  371.452232] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  371.459535]  skb_clone+0x1bb/0x500
[  371.463080]  ? finish_task_switch+0x2f4/0x910
[  371.467567]  ? skb_split+0x11e0/0x11e0
[  371.471449]  ? preempt_notifier_register+0x200/0x200
[  371.476561]  ? __switch_to_asm+0x34/0x70
[  371.480614]  ? __switch_to_asm+0x34/0x70
[  371.484690]  ? __switch_to_asm+0x40/0x70
[  371.488741]  ? __switch_to_asm+0x34/0x70
[  371.492793]  ? __switch_to_asm+0x40/0x70
[  371.496848]  ? __switch_to_asm+0x34/0x70
[  371.500898]  ? __switch_to_asm+0x40/0x70
[  371.505129]  ? __switch_to_asm+0x34/0x70
[  371.509180]  ? __switch_to_asm+0x34/0x70
[  371.513236]  ? __switch_to_asm+0x40/0x70
[  371.517290]  ? __switch_to_asm+0x34/0x70
[  371.521361]  bpf_clone_redirect+0xb9/0x490
[  371.525589]  ? __schedule+0x8d7/0x21d0
[  371.529475]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  371.534401]  ? __sched_text_start+0x8/0x8
[  371.538545]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  371.543132]  ? retint_kernel+0x2d/0x2d
[  371.547013]  ? trace_hardirqs_on_caller+0xc0/0x310
[  371.551939]  ? find_held_lock+0x36/0x1c0
[  371.556001]  ? lock_acquire+0x1ed/0x520
[  371.559970]  ? bpf_test_run+0x3cb/0x780
[  371.563937]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.569472]  ? check_preemption_disabled+0x48/0x280
[  371.574489]  ? kasan_check_read+0x11/0x20
[  371.578634]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  371.583905]  ? rcu_softirq_qs+0x20/0x20
[  371.587877]  ? preempt_schedule+0x4d/0x60
[  371.592019]  ? ___preempt_schedule+0x16/0x18
[  371.596428]  ? bpf_test_run+0x25d/0x780
[  371.600410]  ? netlink_diag_dump+0x2a0/0x2a0
[  371.604817]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  371.610357]  ? bpf_test_init.isra.10+0x70/0x100
[  371.615027]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  371.619790]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  371.624624]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  371.630151]  ? fput+0x130/0x1a0
[  371.633440]  ? __bpf_prog_get+0x9b/0x290
[  371.637500]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  371.642360]  ? bpf_prog_test_run+0x130/0x1a0
[  371.646767]  ? __x64_sys_bpf+0x3d8/0x520
[  371.650821]  ? bpf_prog_get+0x20/0x20
[  371.654636]  ? do_syscall_64+0x1b9/0x820
[  371.658695]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  371.664053]  ? syscall_return_slowpath+0x5e0/0x5e0
[  371.668983]  ? trace_hardirqs_on_caller+0x310/0x310
[  371.673995]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  371.679008]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  371.685672]  ? __switch_to_asm+0x40/0x70
[  371.689723]  ? __switch_to_asm+0x34/0x70
[  371.693807]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  371.698649]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  371.704023] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  371.704086] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  371.710863] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  371.710868] Call Trace:
[  371.710887]  dump_stack+0x244/0x39d
[  371.710908]  ? dump_stack_print_info.cold.1+0x20/0x20
[  371.717423] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  371.726731]  warn_alloc.cold.116+0xb7/0x1bd
[  371.729280] syz-executor4 cpuset=syz4 mems_allowed=0
[  371.732906]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  371.762762]  ? lock_downgrade+0x900/0x900
[  371.766916]  ? trace_hardirqs_off+0xb8/0x310
[  371.771334]  ? trace_hardirqs_off+0xb8/0x310
[  371.775749]  __alloc_pages_slowpath+0x26e8/0x2e10
[  371.780617]  ? warn_alloc+0x120/0x120
[  371.784414]  ? print_usage_bug+0xc0/0xc0
[  371.788471]  ? warn_alloc+0x120/0x120
[  371.792273]  ? warn_alloc+0x120/0x120
[  371.796068]  ? print_usage_bug+0xc0/0xc0
[  371.800131]  ? print_usage_bug+0xc0/0xc0
[  371.804190]  ? __lock_acquire+0x62f/0x4c20
[  371.808425]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  371.813956]  ? should_fail+0x22d/0xd01
[  371.817847]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  371.822946]  ? __lock_acquire+0x62f/0x4c20
[  371.827178]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  371.832278]  ? __lock_acquire+0x62f/0x4c20
[  371.836503]  ? should_fail+0x22d/0xd01
[  371.840383]  ? find_held_lock+0x36/0x1c0
[  371.844458]  ? mark_held_locks+0x130/0x130
[  371.848693]  ? mark_held_locks+0x130/0x130
[  371.852919]  ? zap_class+0x640/0x640
[  371.856625]  ? zap_class+0x640/0x640
[  371.860338]  ? print_usage_bug+0xc0/0xc0
[  371.864392]  ? do_raw_spin_unlock+0xa7/0x330
[  371.868792]  ? zap_class+0x640/0x640
[  371.872499]  ? print_usage_bug+0xc0/0xc0
[  371.876554]  ? wq_watchdog_touch+0x9c/0xfe
[  371.880785]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.886323]  ? check_preemption_disabled+0x48/0x280
[  371.891349]  ? __lock_is_held+0xb5/0x140
[  371.895414]  __alloc_pages_nodemask+0xa80/0xde0
[  371.900079]  ? zap_class+0x640/0x640
[  371.903794]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  371.908816]  ? find_held_lock+0x36/0x1c0
[  371.912885]  ? ____cache_alloc_node+0x1c7/0x1e0
[  371.917574]  ? lock_downgrade+0x900/0x900
[  371.921723]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.927260]  cache_grow_begin+0xa5/0x8c0
[  371.931319]  ? do_raw_spin_unlock+0xa7/0x330
[  371.935732]  fallback_alloc+0x204/0x2e0
[  371.939708]  ____cache_alloc_node+0x1c7/0x1e0
[  371.944207]  kmem_cache_alloc_node+0xe3/0x730
[  371.948698]  ? ipv6_get_ifaddr+0x42e/0x620
[  371.952938]  __alloc_skb+0x119/0x770
[  371.956646]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  371.961926]  ? netdev_alloc_frag+0x1f0/0x1f0
[  371.966337]  ? lock_downgrade+0x900/0x900
[  371.970491]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.976356]  ? refcount_sub_and_test_checked+0x203/0x310
[  371.981808]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  371.987261]  ? addrconf_rs_timer+0x690/0x690
[  371.991685]  ndisc_alloc_skb+0x144/0x340
[  371.995745]  ndisc_send_rs+0x331/0x6e0
[  371.999630]  addrconf_rs_timer+0x314/0x690
[  372.003868]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.008124]  call_timer_fn+0x272/0x920
[  372.012004]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.016234]  ? process_timeout+0x40/0x40
[  372.020297]  ? __run_timers+0x7da/0xc70
[  372.024278]  ? _raw_spin_unlock_irq+0x27/0x80
[  372.028769]  ? _raw_spin_unlock_irq+0x27/0x80
[  372.033258]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.037486]  ? lockdep_hardirqs_on+0x296/0x5b0
[  372.042063]  ? trace_hardirqs_on+0xbd/0x310
[  372.046381]  ? kasan_check_read+0x11/0x20
[  372.050525]  ? __run_timers+0x7da/0xc70
[  372.054496]  ? trace_hardirqs_off_caller+0x310/0x310
[  372.059596]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.063844]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.068073]  __run_timers+0x7e5/0xc70
[  372.071879]  ? timer_fixup_init+0x70/0x70
[  372.076020]  ? _raw_spin_unlock_irq+0x27/0x80
[  372.080509]  ? _raw_spin_unlock_irq+0x27/0x80
[  372.084997]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  372.089575]  ? trace_hardirqs_on+0xbd/0x310
[  372.093888]  ? kasan_check_read+0x11/0x20
[  372.098036]  ? finish_task_switch+0x1f4/0x910
[  372.102541]  ? trace_hardirqs_off_caller+0x310/0x310
[  372.107638]  ? compat_start_thread+0x80/0x80
[  372.112062]  ? pvclock_read_flags+0x160/0x160
[  372.116551]  ? __switch_to_asm+0x34/0x70
[  372.120611]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.126147]  ? check_preemption_disabled+0x48/0x280
[  372.131166]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  372.136699]  ? rcu_pm_notify+0xc0/0xc0
[  372.140586]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.146626]  ? check_preemption_disabled+0x48/0x280
[  372.151646]  run_timer_softirq+0x52/0xb0
[  372.155704]  ? rcu_read_lock_sched_held+0x14f/0x180
[  372.160726]  __do_softirq+0x308/0xb7e
[  372.164532]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  372.169632]  ? trace_hardirqs_off+0xb8/0x310
[  372.174038]  ? rcu_irq_enter+0x18c/0x310
[  372.178101]  ? schedule+0x108/0x460
[  372.181724]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  372.186482]  ? trace_hardirqs_off+0xb8/0x310
[  372.190889]  ? smpboot_thread_fn+0x68b/0xa00
[  372.195308]  ? trace_hardirqs_on+0x310/0x310
[  372.199714]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  372.205247]  ? check_preemption_disabled+0x48/0x280
[  372.210259]  ? takeover_tasklets+0xa90/0xa90
[  372.214668]  run_ksoftirqd+0x5e/0x100
[  372.218464]  smpboot_thread_fn+0x68b/0xa00
[  372.222700]  ? sort_range+0x30/0x30
[  372.226323]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  372.231420]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  372.236952]  ? __kthread_parkme+0xfb/0x1a0
[  372.241182]  ? sort_range+0x30/0x30
[  372.244807]  kthread+0x35a/0x440
[  372.248169]  ? kthread_stop+0x900/0x900
[  372.252150]  ret_from_fork+0x3a/0x50
[  372.255872] warn_alloc_show_mem: 1 callbacks suppressed
[  372.255881] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  372.255883] Mem-Info:
[  372.255914] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  372.255914]  active_file:16 inactive_file:14 isolated_file:0
[  372.255914]  unevictable:0 dirty:0 writeback:0 unstable:0
[  372.255914]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  372.255914]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  372.255914]  free:13767 free_pcp:490 free_cma:0
[  372.261238] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  372.261245] Call Trace:
[  372.268534] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  372.270928]  <IRQ>
[  372.303973] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  372.313323]  dump_stack+0x244/0x39d
[  372.315872] lowmem_reserve[]: 0 2818 6321 6321
[  372.343714]  ? dump_stack_print_info.cold.1+0x20/0x20
[  372.345837] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  372.371943]  warn_alloc.cold.116+0xb7/0x1bd
[  372.375534] lowmem_reserve[]: 0 0 3503 3503
[  372.380102]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  372.385262] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  372.413294]  ? lock_downgrade+0x900/0x900
[  372.417576] lowmem_reserve[]: 0 0 0 0
[  372.421889]  ? trace_hardirqs_off+0xb8/0x310
[  372.426700] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  372.456014]  ? trace_hardirqs_off+0xb8/0x310
[  372.460134] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  372.463929]  __alloc_pages_slowpath+0x26e8/0x2e10
[  372.468304] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  372.481837]  ? warn_alloc+0x120/0x120
[  372.486201] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  372.501527]  ? print_usage_bug+0xc0/0xc0
[  372.506343] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  372.521407]  ? warn_alloc+0x120/0x120
[  372.525180] 1997 total pagecache pages
[  372.534003]  ? warn_alloc+0x120/0x120
[  372.538037] 0 pages in swap cache
[  372.546596]  ? print_usage_bug+0xc0/0xc0
[  372.550376] Swap cache stats: add 0, delete 0, find 0/0
[  372.554247]  ? print_usage_bug+0xc0/0xc0
[  372.558017] Free swap  = 0kB
[  372.561462]  ? __lock_acquire+0x62f/0x4c20
[  372.565491] Total swap = 0kB
[  372.565499] 1965979 pages RAM
[  372.570851]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  372.574880] 0 pages HighMem/MovableOnly
[  372.577976]  ? should_fail+0x22d/0xd01
[  372.582174] 342853 pages reserved
[  372.582181] 0 pages cma reserved
[  372.585185]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  372.588329] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  372.593806]  ? __lock_acquire+0x62f/0x4c20
[  372.593824]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  372.593839]  ? __lock_acquire+0x62f/0x4c20
[  372.597843] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  372.601662]  ? should_fail+0x22d/0xd01
[  372.605085] ksoftirqd/1 cpuset=/ mems_allowed=0
[  372.608440]  ? find_held_lock+0x36/0x1c0
[  372.656357]  ? mark_held_locks+0x130/0x130
[  372.660591]  ? mark_held_locks+0x130/0x130
[  372.664816]  ? zap_class+0x640/0x640
[  372.668526]  ? zap_class+0x640/0x640
[  372.672237]  ? print_usage_bug+0xc0/0xc0
[  372.676302]  ? do_raw_spin_unlock+0xa7/0x330
[  372.680703]  ? zap_class+0x640/0x640
[  372.684411]  ? print_usage_bug+0xc0/0xc0
[  372.688465]  ? wq_watchdog_touch+0x9c/0xfe
[  372.692696]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.698229]  ? check_preemption_disabled+0x48/0x280
[  372.703259]  ? __lock_is_held+0xb5/0x140
[  372.707325]  __alloc_pages_nodemask+0xa80/0xde0
[  372.711990]  ? zap_class+0x640/0x640
[  372.715701]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  372.720721]  ? find_held_lock+0x36/0x1c0
[  372.724786]  ? ____cache_alloc_node+0x1c7/0x1e0
[  372.729452]  ? lock_downgrade+0x900/0x900
[  372.733600]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.739134]  cache_grow_begin+0xa5/0x8c0
[  372.743187]  ? do_raw_spin_unlock+0xa7/0x330
[  372.747611]  fallback_alloc+0x204/0x2e0
[  372.751587]  ____cache_alloc_node+0x1c7/0x1e0
[  372.756082]  kmem_cache_alloc_node+0xe3/0x730
[  372.760570]  ? ipv6_get_ifaddr+0x42e/0x620
[  372.764809]  __alloc_skb+0x119/0x770
[  372.768521]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  372.773794]  ? netdev_alloc_frag+0x1f0/0x1f0
[  372.778194]  ? lock_downgrade+0x900/0x900
[  372.782341]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.787870]  ? refcount_sub_and_test_checked+0x203/0x310
[  372.793316]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  372.798758]  ? addrconf_rs_timer+0x690/0x690
[  372.803172]  ndisc_alloc_skb+0x144/0x340
[  372.807231]  ndisc_send_rs+0x331/0x6e0
[  372.811130]  addrconf_rs_timer+0x314/0x690
[  372.815364]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.819606]  call_timer_fn+0x272/0x920
[  372.823485]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.827721]  ? process_timeout+0x40/0x40
[  372.831783]  ? __run_timers+0x7da/0xc70
[  372.835751]  ? _raw_spin_unlock_irq+0x27/0x80
[  372.840248]  ? _raw_spin_unlock_irq+0x27/0x80
[  372.844740]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.848972]  ? lockdep_hardirqs_on+0x296/0x5b0
[  372.853556]  ? trace_hardirqs_on+0xbd/0x310
[  372.857873]  ? kasan_check_read+0x11/0x20
[  372.862011]  ? __run_timers+0x7da/0xc70
[  372.865981]  ? trace_hardirqs_off_caller+0x310/0x310
[  372.871079]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.875311]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.879560]  __run_timers+0x7e5/0xc70
[  372.883364]  ? timer_fixup_init+0x70/0x70
[  372.887508]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  372.892522]  ? zap_class+0x640/0x640
[  372.896242]  ? enqueue_hrtimer+0x1a5/0x560
[  372.900479]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  372.905670]  ? find_held_lock+0x36/0x1c0
[  372.909731]  ? zap_class+0x640/0x640
[  372.913445]  ? pvclock_read_flags+0x160/0x160
[  372.917940]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.923475]  ? check_preemption_disabled+0x48/0x280
[  372.928496]  ? __lock_is_held+0xb5/0x140
[  372.932551]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.938086]  ? check_preemption_disabled+0x48/0x280
[  372.943099]  run_timer_softirq+0x52/0xb0
[  372.947155]  ? rcu_read_lock_sched_held+0x14f/0x180
[  372.952169]  __do_softirq+0x308/0xb7e
[  372.955966]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  372.960453]  ? lock_downgrade+0x900/0x900
[  372.964604]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  372.969709]  ? pvclock_read_flags+0x160/0x160
[  372.974203]  ? lapic_next_event+0x5a/0x90
[  372.978352]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.983887]  ? kvm_clock_read+0x18/0x30
[  372.987857]  ? kvm_sched_clock_read+0x9/0x20
[  372.992266]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.997796]  ? check_preemption_disabled+0x48/0x280
[  373.002815]  irq_exit+0x17f/0x1c0
[  373.006268]  smp_apic_timer_interrupt+0x1cb/0x760
[  373.011104]  ? smp_reschedule_interrupt+0x109/0x650
[  373.016114]  ? smp_call_function_single_interrupt+0x650/0x650
[  373.021989]  ? interrupt_entry+0xb5/0xc0
[  373.026046]  ? trace_hardirqs_off_caller+0xbb/0x310
[  373.031057]  ? trace_hardirqs_off_caller+0xbb/0x310
[  373.036068]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  373.040907]  ? trace_hardirqs_on_caller+0x310/0x310
[  373.045918]  ? trace_hardirqs_on_caller+0x310/0x310
[  373.050926]  ? task_prio+0x50/0x50
[  373.054460]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.059998]  ? check_preemption_disabled+0x48/0x280
[  373.065023]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  373.069866]  apic_timer_interrupt+0xf/0x20
[  373.074092]  </IRQ>
[  373.076323] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  373.081258] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  373.100154] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  373.107854] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  373.115288] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  373.122555] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  373.129814] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  373.137077] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  373.144379]  skb_clone+0x1bb/0x500
[  373.147918]  ? finish_task_switch+0x2f4/0x910
[  373.152406]  ? skb_split+0x11e0/0x11e0
[  373.156290]  ? preempt_notifier_register+0x200/0x200
[  373.161384]  ? __switch_to_asm+0x34/0x70
[  373.165438]  ? __switch_to_asm+0x34/0x70
[  373.169493]  ? __switch_to_asm+0x40/0x70
[  373.173543]  ? __switch_to_asm+0x34/0x70
[  373.177596]  ? __switch_to_asm+0x40/0x70
[  373.181645]  ? __switch_to_asm+0x34/0x70
[  373.185700]  ? __switch_to_asm+0x40/0x70
[  373.189754]  ? __switch_to_asm+0x34/0x70
[  373.193805]  ? __switch_to_asm+0x34/0x70
[  373.197860]  ? __switch_to_asm+0x40/0x70
[  373.201914]  ? __switch_to_asm+0x34/0x70
[  373.205977]  bpf_clone_redirect+0xb9/0x490
[  373.210208]  ? __schedule+0x8d7/0x21d0
[  373.214106]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  373.219037]  ? __sched_text_start+0x8/0x8
[  373.223181]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  373.227761]  ? retint_kernel+0x2d/0x2d
[  373.231642]  ? trace_hardirqs_on_caller+0xc0/0x310
[  373.236568]  ? find_held_lock+0x36/0x1c0
[  373.240634]  ? lock_acquire+0x1ed/0x520
[  373.244604]  ? bpf_test_run+0x3cb/0x780
[  373.248577]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.254114]  ? check_preemption_disabled+0x48/0x280
[  373.259128]  ? kasan_check_read+0x11/0x20
[  373.263269]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  373.268540]  ? rcu_softirq_qs+0x20/0x20
[  373.272512]  ? preempt_schedule+0x4d/0x60
[  373.276657]  ? ___preempt_schedule+0x16/0x18
[  373.281066]  ? bpf_test_run+0x25d/0x780
[  373.285047]  ? netlink_diag_dump+0x2a0/0x2a0
[  373.289455]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  373.294988]  ? bpf_test_init.isra.10+0x70/0x100
[  373.299660]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  373.304419]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  373.309260]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  373.314791]  ? fput+0x130/0x1a0
[  373.318064]  ? __bpf_prog_get+0x9b/0x290
[  373.322218]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  373.327068]  ? bpf_prog_test_run+0x130/0x1a0
[  373.331474]  ? __x64_sys_bpf+0x3d8/0x520
[  373.335529]  ? bpf_prog_get+0x20/0x20
[  373.339343]  ? do_syscall_64+0x1b9/0x820
[  373.343400]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  373.348760]  ? syscall_return_slowpath+0x5e0/0x5e0
[  373.353684]  ? trace_hardirqs_on_caller+0x310/0x310
[  373.358694]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  373.363707]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  373.370365]  ? __switch_to_asm+0x40/0x70
[  373.374417]  ? __switch_to_asm+0x34/0x70
[  373.378478]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  373.383323]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  373.388697] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  373.388758] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  373.395541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  373.395548] Call Trace:
[  373.402105] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  373.411368]  dump_stack+0x244/0x39d
[  373.413922] syz-executor4 cpuset=syz4 mems_allowed=0
[  373.424395]  ? dump_stack_print_info.cold.1+0x20/0x20
[  373.438261]  warn_alloc.cold.116+0xb7/0x1bd
[  373.442585]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  373.447430]  ? lock_downgrade+0x900/0x900
[  373.451585]  ? trace_hardirqs_off+0xb8/0x310
[  373.455994]  ? trace_hardirqs_off+0xb8/0x310
[  373.460408]  __alloc_pages_slowpath+0x26e8/0x2e10
[  373.465285]  ? warn_alloc+0x120/0x120
[  373.469084]  ? print_usage_bug+0xc0/0xc0
[  373.473140]  ? warn_alloc+0x120/0x120
[  373.476938]  ? warn_alloc+0x120/0x120
[  373.480740]  ? print_usage_bug+0xc0/0xc0
[  373.484798]  ? print_usage_bug+0xc0/0xc0
[  373.488853]  ? __lock_acquire+0x62f/0x4c20
[  373.493085]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  373.498621]  ? should_fail+0x22d/0xd01
[  373.502505]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  373.507601]  ? __lock_acquire+0x62f/0x4c20
[  373.511837]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  373.516937]  ? __lock_acquire+0x62f/0x4c20
[  373.521167]  ? should_fail+0x22d/0xd01
[  373.525056]  ? find_held_lock+0x36/0x1c0
[  373.529118]  ? mark_held_locks+0x130/0x130
[  373.533353]  ? mark_held_locks+0x130/0x130
[  373.537580]  ? zap_class+0x640/0x640
[  373.541291]  ? zap_class+0x640/0x640
[  373.545004]  ? print_usage_bug+0xc0/0xc0
[  373.549057]  ? do_raw_spin_unlock+0xa7/0x330
[  373.553459]  ? zap_class+0x640/0x640
[  373.557170]  ? print_usage_bug+0xc0/0xc0
[  373.561232]  ? wq_watchdog_touch+0x9c/0xfe
[  373.565468]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.571004]  ? check_preemption_disabled+0x48/0x280
[  373.576027]  ? __lock_is_held+0xb5/0x140
[  373.580119]  __alloc_pages_nodemask+0xa80/0xde0
[  373.584801]  ? zap_class+0x640/0x640
[  373.588513]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  373.593538]  ? find_held_lock+0x36/0x1c0
[  373.597610]  ? ____cache_alloc_node+0x1c7/0x1e0
[  373.602273]  ? lock_downgrade+0x900/0x900
[  373.606421]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.611958]  cache_grow_begin+0xa5/0x8c0
[  373.616012]  ? do_raw_spin_unlock+0xa7/0x330
[  373.620423]  fallback_alloc+0x204/0x2e0
[  373.624400]  ____cache_alloc_node+0x1c7/0x1e0
[  373.628895]  kmem_cache_alloc_node+0xe3/0x730
[  373.633401]  ? ipv6_get_ifaddr+0x42e/0x620
[  373.637654]  __alloc_skb+0x119/0x770
[  373.641360]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  373.646639]  ? netdev_alloc_frag+0x1f0/0x1f0
[  373.651045]  ? lock_downgrade+0x900/0x900
[  373.655203]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.660738]  ? refcount_sub_and_test_checked+0x203/0x310
[  373.666200]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  373.671644]  ? addrconf_rs_timer+0x690/0x690
[  373.676068]  ndisc_alloc_skb+0x144/0x340
[  373.680127]  ndisc_send_rs+0x331/0x6e0
[  373.684014]  addrconf_rs_timer+0x314/0x690
[  373.688247]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  373.692489]  call_timer_fn+0x272/0x920
[  373.696372]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  373.700599]  ? process_timeout+0x40/0x40
[  373.704747]  ? __run_timers+0x7da/0xc70
[  373.708724]  ? _raw_spin_unlock_irq+0x27/0x80
[  373.713210]  ? _raw_spin_unlock_irq+0x27/0x80
[  373.717701]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  373.721930]  ? lockdep_hardirqs_on+0x296/0x5b0
[  373.726508]  ? trace_hardirqs_on+0xbd/0x310
[  373.730824]  ? kasan_check_read+0x11/0x20
[  373.734965]  ? __run_timers+0x7da/0xc70
[  373.738933]  ? trace_hardirqs_off_caller+0x310/0x310
[  373.744032]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  373.748269]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  373.752497]  __run_timers+0x7e5/0xc70
[  373.756308]  ? timer_fixup_init+0x70/0x70
[  373.760449]  ? _raw_spin_unlock_irq+0x27/0x80
[  373.764936]  ? _raw_spin_unlock_irq+0x27/0x80
[  373.769431]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  373.774008]  ? trace_hardirqs_on+0xbd/0x310
[  373.778328]  ? kasan_check_read+0x11/0x20
[  373.782475]  ? finish_task_switch+0x1f4/0x910
[  373.786972]  ? trace_hardirqs_off_caller+0x310/0x310
[  373.792070]  ? compat_start_thread+0x80/0x80
[  373.796501]  ? pvclock_read_flags+0x160/0x160
[  373.800989]  ? __switch_to_asm+0x34/0x70
[  373.805044]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.810580]  ? check_preemption_disabled+0x48/0x280
[  373.815598]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  373.821135]  ? rcu_pm_notify+0xc0/0xc0
[  373.825021]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.830556]  ? check_preemption_disabled+0x48/0x280
[  373.835573]  run_timer_softirq+0x52/0xb0
[  373.839632]  ? rcu_read_lock_sched_held+0x14f/0x180
[  373.844647]  __do_softirq+0x308/0xb7e
[  373.848454]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  373.853555]  ? trace_hardirqs_off+0xb8/0x310
[  373.857953]  ? rcu_irq_enter+0x18c/0x310
[  373.862015]  ? schedule+0x108/0x460
[  373.865638]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  373.870403]  ? trace_hardirqs_off+0xb8/0x310
[  373.874810]  ? smpboot_thread_fn+0x68b/0xa00
[  373.879213]  ? trace_hardirqs_on+0x310/0x310
[  373.883619]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  373.889150]  ? check_preemption_disabled+0x48/0x280
[  373.894176]  ? takeover_tasklets+0xa90/0xa90
[  373.898585]  run_ksoftirqd+0x5e/0x100
[  373.902383]  smpboot_thread_fn+0x68b/0xa00
[  373.906618]  ? sort_range+0x30/0x30
[  373.910240]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  373.915337]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  373.920873]  ? __kthread_parkme+0xfb/0x1a0
[  373.925106]  ? sort_range+0x30/0x30
[  373.928737]  kthread+0x35a/0x440
[  373.932119]  ? kthread_stop+0x900/0x900
[  373.936088]  ret_from_fork+0x3a/0x50
[  373.939812] warn_alloc_show_mem: 1 callbacks suppressed
[  373.939821] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  373.939823] Mem-Info:
[  373.939852] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  373.939852]  active_file:16 inactive_file:14 isolated_file:0
[  373.939852]  unevictable:0 dirty:0 writeback:0 unstable:0
[  373.939852]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  373.939852]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  373.939852]  free:13767 free_pcp:490 free_cma:0
[  373.945188] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  373.945194] Call Trace:
[  373.952467] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  373.954858]  <IRQ>
[  373.988252] 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
[  373.997613]  dump_stack+0x244/0x39d
[  374.000167] lowmem_reserve[]: 0 2818 6321 6321
[  374.027834]  ? dump_stack_print_info.cold.1+0x20/0x20
[  374.029955] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  374.056060]  warn_alloc.cold.116+0xb7/0x1bd
[  374.059648] lowmem_reserve[]: 0 0 3503 3503
[  374.064217]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  374.069375] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  374.096864]  ? lock_downgrade+0x900/0x900
[  374.101167] lowmem_reserve[]: 0 0 0 0
[  374.105483]  ? trace_hardirqs_off+0xb8/0x310
[  374.110302] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  374.139442]  ? trace_hardirqs_off+0xb8/0x310
[  374.144501] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  374.148327]  __alloc_pages_slowpath+0x26e8/0x2e10
[  374.152692] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  374.166234]  ? warn_alloc+0x120/0x120
[  374.170595] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  374.185922]  ? print_usage_bug+0xc0/0xc0
[  374.190734] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  374.190742] 1997 total pagecache pages
[  374.205811]  ? warn_alloc+0x120/0x120
[  374.209590] 0 pages in swap cache
[  374.218408]  ? warn_alloc+0x120/0x120
[  374.222443] Swap cache stats: add 0, delete 0, find 0/0
[  374.231001]  ? print_usage_bug+0xc0/0xc0
[  374.234855] Free swap  = 0kB
[  374.238639]  ? kvm_clock_read+0x18/0x30
[  374.242067] Total swap = 0kB
[  374.245853]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  374.251185] 1965979 pages RAM
[  374.255233]  ? print_usage_bug+0xc0/0xc0
[  374.258216] 0 pages HighMem/MovableOnly
[  374.258223] 342853 pages reserved
[  374.262187]  ? __lock_acquire+0x62f/0x4c20
[  374.265180] 0 pages cma reserved
[  374.270182]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  374.273320] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  374.277304]  ? should_fail+0x22d/0xd01
[  374.281329] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  374.284692]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  374.288898] ksoftirqd/1 cpuset=/ mems_allowed=0
[  374.292252]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  374.333381]  ? __lock_acquire+0x62f/0x4c20
[  374.337614]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  374.342710]  ? __lock_acquire+0x62f/0x4c20
[  374.346936]  ? should_fail+0x22d/0xd01
[  374.350817]  ? rcu_irq_exit+0x1a2/0x390
[  374.354795]  ? mark_held_locks+0x130/0x130
[  374.359030]  ? mark_held_locks+0x130/0x130
[  374.363265]  ? mark_held_locks+0xc7/0x130
[  374.367431]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  374.372450]  ? zap_class+0x640/0x640
[  374.376165]  ? print_usage_bug+0xc0/0xc0
[  374.380224]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.385757]  ? check_preemption_disabled+0x48/0x280
[  374.390775]  ? __lock_is_held+0xb5/0x140
[  374.394839]  __alloc_pages_nodemask+0xa80/0xde0
[  374.399499]  ? zap_class+0x640/0x640
[  374.403209]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  374.408233]  ? find_held_lock+0x36/0x1c0
[  374.412299]  ? ____cache_alloc_node+0x1c7/0x1e0
[  374.416962]  ? lock_downgrade+0x900/0x900
[  374.421110]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.426663]  cache_grow_begin+0xa5/0x8c0
[  374.430719]  ? do_raw_spin_unlock+0xa7/0x330
[  374.435134]  fallback_alloc+0x204/0x2e0
[  374.439112]  ____cache_alloc_node+0x1c7/0x1e0
[  374.443615]  kmem_cache_alloc_node+0xe3/0x730
[  374.448139]  ? ipv6_get_ifaddr+0x42e/0x620
[  374.452380]  __alloc_skb+0x119/0x770
[  374.456089]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  374.461372]  ? netdev_alloc_frag+0x1f0/0x1f0
[  374.465775]  ? lock_downgrade+0x900/0x900
[  374.469923]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.475452]  ? refcount_sub_and_test_checked+0x203/0x310
[  374.480898]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  374.486342]  ? addrconf_rs_timer+0x690/0x690
[  374.490757]  ndisc_alloc_skb+0x144/0x340
[  374.494814]  ndisc_send_rs+0x331/0x6e0
[  374.498701]  addrconf_rs_timer+0x314/0x690
[  374.502934]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  374.507176]  call_timer_fn+0x272/0x920
[  374.511058]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  374.515284]  ? process_timeout+0x40/0x40
[  374.519344]  ? __run_timers+0x7da/0xc70
[  374.523316]  ? _raw_spin_unlock_irq+0x27/0x80
[  374.527805]  ? _raw_spin_unlock_irq+0x27/0x80
[  374.532295]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  374.536521]  ? lockdep_hardirqs_on+0x296/0x5b0
[  374.541102]  ? trace_hardirqs_on+0xbd/0x310
[  374.545428]  ? kasan_check_read+0x11/0x20
[  374.549567]  ? __run_timers+0x7da/0xc70
[  374.553536]  ? trace_hardirqs_off_caller+0x310/0x310
[  374.558640]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  374.562874]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  374.567098]  __run_timers+0x7e5/0xc70
[  374.570911]  ? timer_fixup_init+0x70/0x70
[  374.575058]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  374.580068]  ? zap_class+0x640/0x640
[  374.583778]  ? enqueue_hrtimer+0x1a5/0x560
[  374.588009]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  374.593201]  ? find_held_lock+0x36/0x1c0
[  374.597260]  ? zap_class+0x640/0x640
[  374.600970]  ? pvclock_read_flags+0x160/0x160
[  374.605460]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.610992]  ? check_preemption_disabled+0x48/0x280
[  374.616009]  ? __lock_is_held+0xb5/0x140
[  374.620066]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.625597]  ? check_preemption_disabled+0x48/0x280
[  374.630609]  run_timer_softirq+0x52/0xb0
[  374.634665]  ? rcu_read_lock_sched_held+0x14f/0x180
[  374.639676]  __do_softirq+0x308/0xb7e
[  374.643474]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  374.647961]  ? lock_downgrade+0x900/0x900
[  374.652114]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  374.657221]  ? pvclock_read_flags+0x160/0x160
[  374.661709]  ? lapic_next_event+0x5a/0x90
[  374.665863]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.671400]  ? kvm_clock_read+0x18/0x30
[  374.675368]  ? kvm_sched_clock_read+0x9/0x20
[  374.679770]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.685314]  ? check_preemption_disabled+0x48/0x280
[  374.690335]  irq_exit+0x17f/0x1c0
[  374.693785]  smp_apic_timer_interrupt+0x1cb/0x760
[  374.698618]  ? smp_reschedule_interrupt+0x109/0x650
[  374.703628]  ? smp_call_function_single_interrupt+0x650/0x650
[  374.709508]  ? interrupt_entry+0xb5/0xc0
[  374.713564]  ? trace_hardirqs_off_caller+0xbb/0x310
[  374.718571]  ? trace_hardirqs_off_caller+0xbb/0x310
[  374.723582]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  374.728418]  ? trace_hardirqs_on_caller+0x310/0x310
[  374.733425]  ? trace_hardirqs_on_caller+0x310/0x310
[  374.738441]  ? task_prio+0x50/0x50
[  374.741975]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.747505]  ? check_preemption_disabled+0x48/0x280
[  374.752518]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  374.757360]  apic_timer_interrupt+0xf/0x20
[  374.761579]  </IRQ>
[  374.763815] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  374.768743] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  374.787635] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  374.795334] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  374.802600] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  374.809866] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  374.817131] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  374.824391] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  374.831692]  skb_clone+0x1bb/0x500
[  374.835227]  ? finish_task_switch+0x2f4/0x910
[  374.839721]  ? skb_split+0x11e0/0x11e0
[  374.843603]  ? preempt_notifier_register+0x200/0x200
[  374.848703]  ? __switch_to_asm+0x34/0x70
[  374.852759]  ? __switch_to_asm+0x34/0x70
[  374.856816]  ? __switch_to_asm+0x40/0x70
[  374.860871]  ? __switch_to_asm+0x34/0x70
[  374.864923]  ? __switch_to_asm+0x40/0x70
[  374.868974]  ? __switch_to_asm+0x34/0x70
[  374.873027]  ? __switch_to_asm+0x40/0x70
[  374.877082]  ? __switch_to_asm+0x34/0x70
[  374.881146]  ? __switch_to_asm+0x34/0x70
[  374.885200]  ? __switch_to_asm+0x40/0x70
[  374.889253]  ? __switch_to_asm+0x34/0x70
[  374.893321]  bpf_clone_redirect+0xb9/0x490
[  374.897553]  ? __schedule+0x8d7/0x21d0
[  374.901439]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  374.906381]  ? __sched_text_start+0x8/0x8
[  374.910528]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  374.915118]  ? retint_kernel+0x2d/0x2d
[  374.918999]  ? trace_hardirqs_on_caller+0xc0/0x310
[  374.923925]  ? find_held_lock+0x36/0x1c0
[  374.927987]  ? lock_acquire+0x1ed/0x520
[  374.931964]  ? bpf_test_run+0x3cb/0x780
[  374.935936]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.941467]  ? check_preemption_disabled+0x48/0x280
[  374.946485]  ? kasan_check_read+0x11/0x20
[  374.950632]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  374.955993]  ? rcu_softirq_qs+0x20/0x20
[  374.959962]  ? preempt_schedule+0x4d/0x60
[  374.964115]  ? ___preempt_schedule+0x16/0x18
[  374.968523]  ? bpf_test_run+0x25d/0x780
[  374.972501]  ? netlink_diag_dump+0x2a0/0x2a0
[  374.976908]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  374.982436]  ? bpf_test_init.isra.10+0x70/0x100
[  374.987116]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  374.991877]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  374.996715]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  375.002247]  ? fput+0x130/0x1a0
[  375.005524]  ? __bpf_prog_get+0x9b/0x290
[  375.009580]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  375.014415]  ? bpf_prog_test_run+0x130/0x1a0
[  375.018824]  ? __x64_sys_bpf+0x3d8/0x520
[  375.022882]  ? bpf_prog_get+0x20/0x20
[  375.026698]  ? do_syscall_64+0x1b9/0x820
[  375.030756]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  375.036117]  ? syscall_return_slowpath+0x5e0/0x5e0
[  375.041047]  ? trace_hardirqs_on_caller+0x310/0x310
[  375.046065]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  375.051105]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  375.057767]  ? __switch_to_asm+0x40/0x70
[  375.061820]  ? __switch_to_asm+0x34/0x70
[  375.065880]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  375.070723]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  375.076110] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  375.076179] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  375.082949] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  375.082954] Call Trace:
[  375.082972]  dump_stack+0x244/0x39d
[  375.082988]  ? dump_stack_print_info.cold.1+0x20/0x20
[  375.083014]  warn_alloc.cold.116+0xb7/0x1bd
[  375.089544] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  375.098823]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  375.101378] syz-executor4 cpuset=syz4 mems_allowed=0
[  375.104996]  ? lock_downgrade+0x900/0x900
[  375.138976]  ? trace_hardirqs_off+0xb8/0x310
[  375.143385]  ? trace_hardirqs_off+0xb8/0x310
[  375.147799]  __alloc_pages_slowpath+0x26e8/0x2e10
[  375.152666]  ? warn_alloc+0x120/0x120
[  375.156464]  ? print_usage_bug+0xc0/0xc0
[  375.160524]  ? warn_alloc+0x120/0x120
[  375.164327]  ? warn_alloc+0x120/0x120
[  375.168127]  ? print_usage_bug+0xc0/0xc0
[  375.172185]  ? print_usage_bug+0xc0/0xc0
[  375.176246]  ? __lock_acquire+0x62f/0x4c20
[  375.180480]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  375.186016]  ? should_fail+0x22d/0xd01
[  375.189902]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  375.194998]  ? __lock_acquire+0x62f/0x4c20
[  375.199235]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  375.204329]  ? __lock_acquire+0x62f/0x4c20
[  375.208559]  ? should_fail+0x22d/0xd01
[  375.212445]  ? find_held_lock+0x36/0x1c0
[  375.216507]  ? mark_held_locks+0x130/0x130
[  375.220739]  ? mark_held_locks+0x130/0x130
[  375.224967]  ? zap_class+0x640/0x640
[  375.228681]  ? mark_held_locks+0xc7/0x130
[  375.232829]  ? do_raw_spin_unlock+0xa7/0x330
[  375.237234]  ? zap_class+0x640/0x640
[  375.240942]  ? print_usage_bug+0xc0/0xc0
[  375.245002]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.250533]  ? check_preemption_disabled+0x48/0x280
[  375.255570]  ? __lock_is_held+0xb5/0x140
[  375.259636]  __alloc_pages_nodemask+0xa80/0xde0
[  375.264298]  ? zap_class+0x640/0x640
[  375.268014]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  375.273036]  ? find_held_lock+0x36/0x1c0
[  375.277112]  ? ____cache_alloc_node+0x1c7/0x1e0
[  375.281777]  ? lock_downgrade+0x900/0x900
[  375.285937]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.291475]  cache_grow_begin+0xa5/0x8c0
[  375.295534]  ? do_raw_spin_unlock+0xa7/0x330
[  375.299946]  fallback_alloc+0x204/0x2e0
[  375.303923]  ____cache_alloc_node+0x1c7/0x1e0
[  375.308417]  kmem_cache_alloc_node+0xe3/0x730
[  375.312921]  ? ipv6_get_ifaddr+0x42e/0x620
[  375.317163]  __alloc_skb+0x119/0x770
[  375.320882]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  375.326162]  ? netdev_alloc_frag+0x1f0/0x1f0
[  375.330563]  ? lock_downgrade+0x900/0x900
[  375.334719]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.340250]  ? refcount_sub_and_test_checked+0x203/0x310
[  375.345696]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  375.351146]  ? addrconf_rs_timer+0x690/0x690
[  375.355578]  ndisc_alloc_skb+0x144/0x340
[  375.359642]  ndisc_send_rs+0x331/0x6e0
[  375.363528]  addrconf_rs_timer+0x314/0x690
[  375.367760]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.372001]  call_timer_fn+0x272/0x920
[  375.375889]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.380117]  ? process_timeout+0x40/0x40
[  375.384181]  ? __run_timers+0x7da/0xc70
[  375.388151]  ? _raw_spin_unlock_irq+0x27/0x80
[  375.392640]  ? _raw_spin_unlock_irq+0x27/0x80
[  375.397124]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.401354]  ? lockdep_hardirqs_on+0x296/0x5b0
[  375.405939]  ? trace_hardirqs_on+0xbd/0x310
[  375.410258]  ? kasan_check_read+0x11/0x20
[  375.414404]  ? __run_timers+0x7da/0xc70
[  375.418372]  ? trace_hardirqs_off_caller+0x310/0x310
[  375.423475]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.427711]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.431937]  __run_timers+0x7e5/0xc70
[  375.435747]  ? timer_fixup_init+0x70/0x70
[  375.439887]  ? _raw_spin_unlock_irq+0x27/0x80
[  375.444378]  ? _raw_spin_unlock_irq+0x27/0x80
[  375.448866]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  375.453448]  ? trace_hardirqs_on+0xbd/0x310
[  375.457764]  ? kasan_check_read+0x11/0x20
[  375.461906]  ? finish_task_switch+0x1f4/0x910
[  375.466394]  ? trace_hardirqs_off_caller+0x310/0x310
[  375.471491]  ? compat_start_thread+0x80/0x80
[  375.475914]  ? pvclock_read_flags+0x160/0x160
[  375.480399]  ? __switch_to_asm+0x34/0x70
[  375.484457]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.489987]  ? check_preemption_disabled+0x48/0x280
[  375.495007]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  375.500548]  ? rcu_pm_notify+0xc0/0xc0
[  375.504433]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.509965]  ? check_preemption_disabled+0x48/0x280
[  375.515239]  run_timer_softirq+0x52/0xb0
[  375.519293]  ? rcu_read_lock_sched_held+0x14f/0x180
[  375.524305]  __do_softirq+0x308/0xb7e
[  375.528108]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  375.533207]  ? trace_hardirqs_off+0xb8/0x310
[  375.537606]  ? rcu_irq_enter+0x18c/0x310
[  375.541668]  ? schedule+0x108/0x460
[  375.545288]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  375.550057]  ? trace_hardirqs_off+0xb8/0x310
[  375.554474]  ? smpboot_thread_fn+0x68b/0xa00
[  375.558878]  ? trace_hardirqs_on+0x310/0x310
[  375.563283]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  375.568815]  ? check_preemption_disabled+0x48/0x280
[  375.573828]  ? takeover_tasklets+0xa90/0xa90
[  375.578232]  run_ksoftirqd+0x5e/0x100
[  375.582026]  smpboot_thread_fn+0x68b/0xa00
[  375.586268]  ? sort_range+0x30/0x30
[  375.589890]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  375.594992]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  375.600529]  ? __kthread_parkme+0xfb/0x1a0
[  375.604770]  ? sort_range+0x30/0x30
[  375.608391]  kthread+0x35a/0x440
[  375.611750]  ? kthread_stop+0x900/0x900
[  375.615721]  ret_from_fork+0x3a/0x50
[  375.619448] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  375.619452] warn_alloc_show_mem: 1 callbacks suppressed
[  375.619458] Mem-Info:
[  375.626721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  375.632085] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  375.632085]  active_file:16 inactive_file:14 isolated_file:0
[  375.632085]  unevictable:0 dirty:0 writeback:0 unstable:0
[  375.632085]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  375.632085]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  375.632085]  free:13767 free_pcp:490 free_cma:0
[  375.634454] Call Trace:
[  375.643828] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  375.676838]  <IRQ>
[  375.679402] 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
[  375.707353]  dump_stack+0x244/0x39d
[  375.709467] lowmem_reserve[]: 0 2818 6321 6321
[  375.735572]  ? dump_stack_print_info.cold.1+0x20/0x20
[  375.739168] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  375.743751]  warn_alloc.cold.116+0xb7/0x1bd
[  375.748898] lowmem_reserve[]: 0 0 3503 3503
[  375.776389]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  375.780679] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  375.784990]  ? lock_downgrade+0x900/0x900
[  375.789795] lowmem_reserve[]: 0 0 0 0
[  375.818940]  ? trace_hardirqs_off+0xb8/0x310
[  375.823054] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  375.826848]  ? trace_hardirqs_off+0xb8/0x310
[  375.831223] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  375.845232]  __alloc_pages_slowpath+0x26e8/0x2e10
[  375.849609] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  375.864969]  ? warn_alloc+0x120/0x120
[  375.869770] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  375.884837]  ? print_usage_bug+0xc0/0xc0
[  375.888620] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  375.897438]  ? warn_alloc+0x120/0x120
[  375.901471] 1997 total pagecache pages
[  375.910043]  ? warn_alloc+0x120/0x120
[  375.913819] 0 pages in swap cache
[  375.917685]  ? print_usage_bug+0xc0/0xc0
[  375.921456] Swap cache stats: add 0, delete 0, find 0/0
[  375.924889]  ? kvm_clock_read+0x18/0x30
[  375.928921] Free swap  = 0kB
[  375.934272]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  375.938209] Total swap = 0kB
[  375.938216] 1965979 pages RAM
[  375.941222]  ? print_usage_bug+0xc0/0xc0
[  375.946204] 0 pages HighMem/MovableOnly
[  375.946212] 342853 pages reserved
[  375.949217]  ? __lock_acquire+0x62f/0x4c20
[  375.952294] 0 pages cma reserved
[  375.956341]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  375.960357] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  375.963728]  ? should_fail+0x22d/0xd01
[  375.967985] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  375.971284]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  375.977120] ksoftirqd/1 cpuset=/ mems_allowed=0
[  375.983614]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  376.012772]  ? __lock_acquire+0x62f/0x4c20
[  376.017014]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  376.022113]  ? __lock_acquire+0x62f/0x4c20
[  376.026340]  ? should_fail+0x22d/0xd01
[  376.030217]  ? rcu_irq_exit+0x1a2/0x390
[  376.034195]  ? mark_held_locks+0x130/0x130
[  376.038428]  ? mark_held_locks+0x130/0x130
[  376.042662]  ? mark_held_locks+0xc7/0x130
[  376.046803]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  376.051810]  ? zap_class+0x640/0x640
[  376.055517]  ? print_usage_bug+0xc0/0xc0
[  376.059576]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.065107]  ? check_preemption_disabled+0x48/0x280
[  376.070126]  ? __lock_is_held+0xb5/0x140
[  376.074186]  __alloc_pages_nodemask+0xa80/0xde0
[  376.078851]  ? zap_class+0x640/0x640
[  376.082569]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  376.087589]  ? find_held_lock+0x36/0x1c0
[  376.091653]  ? ____cache_alloc_node+0x1c7/0x1e0
[  376.096321]  ? lock_downgrade+0x900/0x900
[  376.100476]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.106022]  cache_grow_begin+0xa5/0x8c0
[  376.110079]  ? do_raw_spin_unlock+0xa7/0x330
[  376.114490]  fallback_alloc+0x204/0x2e0
[  376.118465]  ____cache_alloc_node+0x1c7/0x1e0
[  376.122966]  kmem_cache_alloc_node+0xe3/0x730
[  376.127462]  ? ipv6_get_ifaddr+0x42e/0x620
[  376.131703]  __alloc_skb+0x119/0x770
[  376.135405]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  376.140680]  ? netdev_alloc_frag+0x1f0/0x1f0
[  376.145447]  ? lock_downgrade+0x900/0x900
[  376.149598]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.155128]  ? refcount_sub_and_test_checked+0x203/0x310
[  376.160578]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  376.166027]  ? addrconf_rs_timer+0x690/0x690
[  376.170448]  ndisc_alloc_skb+0x144/0x340
[  376.174506]  ndisc_send_rs+0x331/0x6e0
[  376.178392]  addrconf_rs_timer+0x314/0x690
[  376.182629]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  376.186875]  call_timer_fn+0x272/0x920
[  376.190754]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  376.194982]  ? process_timeout+0x40/0x40
[  376.199055]  ? __run_timers+0x7da/0xc70
[  376.203029]  ? _raw_spin_unlock_irq+0x27/0x80
[  376.207516]  ? _raw_spin_unlock_irq+0x27/0x80
[  376.212013]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  376.216241]  ? lockdep_hardirqs_on+0x296/0x5b0
[  376.220817]  ? trace_hardirqs_on+0xbd/0x310
[  376.225137]  ? kasan_check_read+0x11/0x20
[  376.229279]  ? __run_timers+0x7da/0xc70
[  376.233252]  ? trace_hardirqs_off_caller+0x310/0x310
[  376.238356]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  376.242592]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  376.246819]  __run_timers+0x7e5/0xc70
[  376.250622]  ? timer_fixup_init+0x70/0x70
[  376.254767]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  376.259782]  ? zap_class+0x640/0x640
[  376.263509]  ? enqueue_hrtimer+0x1a5/0x560
[  376.267752]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  376.272941]  ? find_held_lock+0x36/0x1c0
[  376.277016]  ? zap_class+0x640/0x640
[  376.280728]  ? pvclock_read_flags+0x160/0x160
[  376.285222]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.290753]  ? check_preemption_disabled+0x48/0x280
[  376.295775]  ? __lock_is_held+0xb5/0x140
[  376.299832]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.305367]  ? check_preemption_disabled+0x48/0x280
[  376.310382]  run_timer_softirq+0x52/0xb0
[  376.314437]  ? rcu_read_lock_sched_held+0x14f/0x180
[  376.319450]  __do_softirq+0x308/0xb7e
[  376.323250]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  376.327736]  ? lock_downgrade+0x900/0x900
[  376.331896]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  376.337009]  ? pvclock_read_flags+0x160/0x160
[  376.341500]  ? lapic_next_event+0x5a/0x90
[  376.345643]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.351180]  ? kvm_clock_read+0x18/0x30
[  376.355145]  ? kvm_sched_clock_read+0x9/0x20
[  376.359559]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.365092]  ? check_preemption_disabled+0x48/0x280
[  376.370108]  irq_exit+0x17f/0x1c0
[  376.373560]  smp_apic_timer_interrupt+0x1cb/0x760
[  376.378403]  ? smp_reschedule_interrupt+0x109/0x650
[  376.383413]  ? smp_call_function_single_interrupt+0x650/0x650
[  376.389292]  ? interrupt_entry+0xb5/0xc0
[  376.393348]  ? trace_hardirqs_off_caller+0xbb/0x310
[  376.398359]  ? trace_hardirqs_off_caller+0xbb/0x310
[  376.403370]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  376.408206]  ? trace_hardirqs_on_caller+0x310/0x310
[  376.413214]  ? trace_hardirqs_on_caller+0x310/0x310
[  376.418225]  ? task_prio+0x50/0x50
[  376.421759]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.427288]  ? check_preemption_disabled+0x48/0x280
[  376.432300]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  376.437144]  apic_timer_interrupt+0xf/0x20
[  376.441368]  </IRQ>
[  376.443601] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  376.448527] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  376.467423] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  376.475127] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  376.482390] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  376.489651] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  376.496911] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  376.504174] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  376.511471]  skb_clone+0x1bb/0x500
[  376.515005]  ? finish_task_switch+0x2f4/0x910
[  376.519505]  ? skb_split+0x11e0/0x11e0
[  376.523388]  ? preempt_notifier_register+0x200/0x200
[  376.528481]  ? __switch_to_asm+0x34/0x70
[  376.532538]  ? __switch_to_asm+0x34/0x70
[  376.536587]  ? __switch_to_asm+0x40/0x70
[  376.540640]  ? __switch_to_asm+0x34/0x70
[  376.544702]  ? __switch_to_asm+0x40/0x70
[  376.548751]  ? __switch_to_asm+0x34/0x70
[  376.552805]  ? __switch_to_asm+0x40/0x70
[  376.556854]  ? __switch_to_asm+0x34/0x70
[  376.560910]  ? __switch_to_asm+0x34/0x70
[  376.564983]  ? __switch_to_asm+0x40/0x70
[  376.569035]  ? __switch_to_asm+0x34/0x70
[  376.573096]  bpf_clone_redirect+0xb9/0x490
[  376.577325]  ? __schedule+0x8d7/0x21d0
[  376.581215]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  376.586139]  ? __sched_text_start+0x8/0x8
[  376.590283]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  376.594859]  ? retint_kernel+0x2d/0x2d
[  376.598741]  ? trace_hardirqs_on_caller+0xc0/0x310
[  376.603668]  ? find_held_lock+0x36/0x1c0
[  376.607732]  ? lock_acquire+0x1ed/0x520
[  376.611705]  ? bpf_test_run+0x3cb/0x780
[  376.615674]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.621216]  ? check_preemption_disabled+0x48/0x280
[  376.626234]  ? kasan_check_read+0x11/0x20
[  376.630375]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  376.635647]  ? rcu_softirq_qs+0x20/0x20
[  376.639619]  ? preempt_schedule+0x4d/0x60
[  376.643762]  ? ___preempt_schedule+0x16/0x18
[  376.648171]  ? bpf_test_run+0x25d/0x780
[  376.652153]  ? netlink_diag_dump+0x2a0/0x2a0
[  376.656556]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.662088]  ? bpf_test_init.isra.10+0x70/0x100
[  376.666759]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  376.671518]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  376.676358]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  376.681890]  ? fput+0x130/0x1a0
[  376.685166]  ? __bpf_prog_get+0x9b/0x290
[  376.689223]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  376.694056]  ? bpf_prog_test_run+0x130/0x1a0
[  376.698460]  ? __x64_sys_bpf+0x3d8/0x520
[  376.702514]  ? bpf_prog_get+0x20/0x20
[  376.706326]  ? do_syscall_64+0x1b9/0x820
[  376.710377]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  376.715736]  ? syscall_return_slowpath+0x5e0/0x5e0
[  376.720660]  ? trace_hardirqs_on_caller+0x310/0x310
[  376.725670]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  376.730683]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  376.737339]  ? __switch_to_asm+0x40/0x70
[  376.741391]  ? __switch_to_asm+0x34/0x70
[  376.745454]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  376.750295]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  376.755673] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  376.755734] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  376.762513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  376.762518] Call Trace:
[  376.762535]  dump_stack+0x244/0x39d
[  376.762557]  ? dump_stack_print_info.cold.1+0x20/0x20
[  376.769097] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  376.778379]  warn_alloc.cold.116+0xb7/0x1bd
[  376.780929] syz-executor4 cpuset=syz4 mems_allowed=0
[  376.784550]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  376.814402]  ? lock_downgrade+0x900/0x900
[  376.818554]  ? trace_hardirqs_off+0xb8/0x310
[  376.822971]  ? trace_hardirqs_off+0xb8/0x310
[  376.827382]  __alloc_pages_slowpath+0x26e8/0x2e10
[  376.832246]  ? warn_alloc+0x120/0x120
[  376.836043]  ? print_usage_bug+0xc0/0xc0
[  376.840110]  ? warn_alloc+0x120/0x120
[  376.843912]  ? warn_alloc+0x120/0x120
[  376.847717]  ? print_usage_bug+0xc0/0xc0
[  376.851775]  ? print_usage_bug+0xc0/0xc0
[  376.855832]  ? __lock_acquire+0x62f/0x4c20
[  376.860065]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.865598]  ? should_fail+0x22d/0xd01
[  376.869486]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  376.874585]  ? __lock_acquire+0x62f/0x4c20
[  376.878823]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  376.883927]  ? __lock_acquire+0x62f/0x4c20
[  376.888165]  ? should_fail+0x22d/0xd01
[  376.892047]  ? find_held_lock+0x36/0x1c0
[  376.896115]  ? mark_held_locks+0x130/0x130
[  376.900349]  ? mark_held_locks+0x130/0x130
[  376.904574]  ? zap_class+0x640/0x640
[  376.908284]  ? zap_class+0x640/0x640
[  376.912003]  ? print_usage_bug+0xc0/0xc0
[  376.916055]  ? do_raw_spin_unlock+0xa7/0x330
[  376.920464]  ? zap_class+0x640/0x640
[  376.924172]  ? print_usage_bug+0xc0/0xc0
[  376.928226]  ? wq_watchdog_touch+0x9c/0xfe
[  376.932461]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.937997]  ? check_preemption_disabled+0x48/0x280
[  376.943019]  ? __lock_is_held+0xb5/0x140
[  376.947080]  __alloc_pages_nodemask+0xa80/0xde0
[  376.951744]  ? zap_class+0x640/0x640
[  376.955466]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  376.960487]  ? find_held_lock+0x36/0x1c0
[  376.964556]  ? ____cache_alloc_node+0x1c7/0x1e0
[  376.969218]  ? lock_downgrade+0x900/0x900
[  376.973369]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.978903]  cache_grow_begin+0xa5/0x8c0
[  376.982965]  ? do_raw_spin_unlock+0xa7/0x330
[  376.987372]  fallback_alloc+0x204/0x2e0
[  376.991348]  ____cache_alloc_node+0x1c7/0x1e0
[  376.995845]  kmem_cache_alloc_node+0xe3/0x730
[  377.000335]  ? ipv6_get_ifaddr+0x42e/0x620
[  377.004571]  __alloc_skb+0x119/0x770
[  377.008277]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  377.013555]  ? netdev_alloc_frag+0x1f0/0x1f0
[  377.017961]  ? lock_downgrade+0x900/0x900
[  377.022109]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.027639]  ? refcount_sub_and_test_checked+0x203/0x310
[  377.033085]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  377.038532]  ? addrconf_rs_timer+0x690/0x690
[  377.042952]  ndisc_alloc_skb+0x144/0x340
[  377.047012]  ndisc_send_rs+0x331/0x6e0
[  377.050898]  addrconf_rs_timer+0x314/0x690
[  377.055136]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.059379]  call_timer_fn+0x272/0x920
[  377.063258]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.067489]  ? process_timeout+0x40/0x40
[  377.071553]  ? __run_timers+0x7da/0xc70
[  377.075523]  ? _raw_spin_unlock_irq+0x27/0x80
[  377.080009]  ? _raw_spin_unlock_irq+0x27/0x80
[  377.084496]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.088728]  ? lockdep_hardirqs_on+0x296/0x5b0
[  377.093317]  ? trace_hardirqs_on+0xbd/0x310
[  377.097632]  ? kasan_check_read+0x11/0x20
[  377.101771]  ? __run_timers+0x7da/0xc70
[  377.105737]  ? trace_hardirqs_off_caller+0x310/0x310
[  377.110854]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.115088]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.119315]  __run_timers+0x7e5/0xc70
[  377.123117]  ? timer_fixup_init+0x70/0x70
[  377.127260]  ? _raw_spin_unlock_irq+0x27/0x80
[  377.131746]  ? _raw_spin_unlock_irq+0x27/0x80
[  377.136234]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  377.140815]  ? trace_hardirqs_on+0xbd/0x310
[  377.145129]  ? kasan_check_read+0x11/0x20
[  377.149274]  ? finish_task_switch+0x1f4/0x910
[  377.153763]  ? trace_hardirqs_off_caller+0x310/0x310
[  377.158859]  ? compat_start_thread+0x80/0x80
[  377.163283]  ? pvclock_read_flags+0x160/0x160
[  377.167772]  ? __switch_to_asm+0x34/0x70
[  377.171827]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.177359]  ? check_preemption_disabled+0x48/0x280
[  377.182380]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  377.187927]  ? rcu_pm_notify+0xc0/0xc0
[  377.191812]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.197344]  ? check_preemption_disabled+0x48/0x280
[  377.202361]  run_timer_softirq+0x52/0xb0
[  377.206414]  ? rcu_read_lock_sched_held+0x14f/0x180
[  377.211436]  __do_softirq+0x308/0xb7e
[  377.215241]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  377.220340]  ? trace_hardirqs_off+0xb8/0x310
[  377.224741]  ? rcu_irq_enter+0x18c/0x310
[  377.228800]  ? schedule+0x108/0x460
[  377.232439]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  377.237199]  ? trace_hardirqs_off+0xb8/0x310
[  377.241601]  ? smpboot_thread_fn+0x68b/0xa00
[  377.246007]  ? trace_hardirqs_on+0x310/0x310
[  377.250410]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  377.255967]  ? check_preemption_disabled+0x48/0x280
[  377.260984]  ? takeover_tasklets+0xa90/0xa90
[  377.265386]  run_ksoftirqd+0x5e/0x100
[  377.269181]  smpboot_thread_fn+0x68b/0xa00
[  377.273411]  ? sort_range+0x30/0x30
[  377.277033]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  377.282129]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  377.287663]  ? __kthread_parkme+0xfb/0x1a0
[  377.291893]  ? sort_range+0x30/0x30
[  377.295522]  kthread+0x35a/0x440
[  377.298881]  ? kthread_stop+0x900/0x900
[  377.302860]  ret_from_fork+0x3a/0x50
[  377.306580] warn_alloc_show_mem: 1 callbacks suppressed
[  377.306589] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  377.306590] Mem-Info:
[  377.306620] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  377.306620]  active_file:16 inactive_file:14 isolated_file:0
[  377.306620]  unevictable:0 dirty:0 writeback:0 unstable:0
[  377.306620]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  377.306620]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  377.306620]  free:13767 free_pcp:490 free_cma:0
[  377.311954] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  377.319232] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  377.321617] Call Trace:
[  377.354644] 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
[  377.363984]  <IRQ>
[  377.391628] lowmem_reserve[]: 0 2818 6321 6321
[  377.394202]  dump_stack+0x244/0x39d
[  377.420289] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  377.422432]  ? dump_stack_print_info.cold.1+0x20/0x20
[  377.426979] lowmem_reserve[]: 0 0 3503 3503
[  377.430604]  warn_alloc.cold.116+0xb7/0x1bd
[  377.458065] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  377.463242]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  377.467525] lowmem_reserve[]: 0 0 0 0
[  377.471853]  ? lock_downgrade+0x900/0x900
[  377.500966] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  377.505805]  ? trace_hardirqs_off+0xb8/0x310
[  377.509569] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  377.513709]  ? trace_hardirqs_off+0xb8/0x310
[  377.527193] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  377.531601]  __alloc_pages_slowpath+0x26e8/0x2e10
[  377.546917] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  377.551330]  ? warn_alloc+0x120/0x120
[  377.566367] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  377.571203]  ? print_usage_bug+0xc0/0xc0
[  377.580005] 1997 total pagecache pages
[  377.583788]  ? warn_alloc+0x120/0x120
[  377.592340] 0 pages in swap cache
[  377.596382]  ? warn_alloc+0x120/0x120
[  377.600240] Swap cache stats: add 0, delete 0, find 0/0
[  377.604020]  ? print_usage_bug+0xc0/0xc0
[  377.607443] Free swap  = 0kB
[  377.611229]  ? kvm_clock_read+0x18/0x30
[  377.616570] Total swap = 0kB
[  377.620628]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  377.623615] 1965979 pages RAM
[  377.627578]  ? print_usage_bug+0xc0/0xc0
[  377.630562] 0 pages HighMem/MovableOnly
[  377.630569] 342853 pages reserved
[  377.635573]  ? __lock_acquire+0x62f/0x4c20
[  377.638651] 0 pages cma reserved
[  377.642699]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  377.646699] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  377.650078]  ? should_fail+0x22d/0xd01
[  377.650091]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  377.650108]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  377.654362] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  377.657665]  ? __lock_acquire+0x62f/0x4c20
[  377.663173] ksoftirqd/1 cpuset=/ mems_allowed=0
[  377.669652]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  377.708099]  ? __lock_acquire+0x62f/0x4c20
[  377.712324]  ? should_fail+0x22d/0xd01
[  377.716206]  ? rcu_irq_exit+0x1a2/0x390
[  377.720187]  ? mark_held_locks+0x130/0x130
[  377.724419]  ? mark_held_locks+0x130/0x130
[  377.728654]  ? mark_held_locks+0xc7/0x130
[  377.732800]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  377.737808]  ? zap_class+0x640/0x640
[  377.741513]  ? print_usage_bug+0xc0/0xc0
[  377.745572]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.751105]  ? check_preemption_disabled+0x48/0x280
[  377.756127]  ? __lock_is_held+0xb5/0x140
[  377.760192]  __alloc_pages_nodemask+0xa80/0xde0
[  377.764856]  ? zap_class+0x640/0x640
[  377.768577]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  377.773595]  ? find_held_lock+0x36/0x1c0
[  377.777668]  ? ____cache_alloc_node+0x1c7/0x1e0
[  377.782334]  ? lock_downgrade+0x900/0x900
[  377.786482]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.792016]  cache_grow_begin+0xa5/0x8c0
[  377.796074]  ? do_raw_spin_unlock+0xa7/0x330
[  377.800483]  fallback_alloc+0x204/0x2e0
[  377.804458]  ____cache_alloc_node+0x1c7/0x1e0
[  377.808950]  kmem_cache_alloc_node+0xe3/0x730
[  377.813439]  ? ipv6_get_ifaddr+0x42e/0x620
[  377.817678]  __alloc_skb+0x119/0x770
[  377.821401]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  377.826677]  ? netdev_alloc_frag+0x1f0/0x1f0
[  377.831078]  ? lock_downgrade+0x900/0x900
[  377.835228]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.840758]  ? refcount_sub_and_test_checked+0x203/0x310
[  377.846203]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  377.851646]  ? addrconf_rs_timer+0x690/0x690
[  377.856058]  ndisc_alloc_skb+0x144/0x340
[  377.860117]  ndisc_send_rs+0x331/0x6e0
[  377.864003]  addrconf_rs_timer+0x314/0x690
[  377.868235]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.872473]  call_timer_fn+0x272/0x920
[  377.876353]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.880591]  ? process_timeout+0x40/0x40
[  377.884655]  ? __run_timers+0x7da/0xc70
[  377.888624]  ? _raw_spin_unlock_irq+0x27/0x80
[  377.893112]  ? _raw_spin_unlock_irq+0x27/0x80
[  377.897596]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.901837]  ? lockdep_hardirqs_on+0x296/0x5b0
[  377.906429]  ? trace_hardirqs_on+0xbd/0x310
[  377.910747]  ? kasan_check_read+0x11/0x20
[  377.914898]  ? __run_timers+0x7da/0xc70
[  377.918880]  ? trace_hardirqs_off_caller+0x310/0x310
[  377.923982]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.928214]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.932438]  __run_timers+0x7e5/0xc70
[  377.936239]  ? timer_fixup_init+0x70/0x70
[  377.940384]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  377.945395]  ? zap_class+0x640/0x640
[  377.949109]  ? enqueue_hrtimer+0x1a5/0x560
[  377.953342]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  377.958534]  ? find_held_lock+0x36/0x1c0
[  377.962593]  ? zap_class+0x640/0x640
[  377.966305]  ? pvclock_read_flags+0x160/0x160
[  377.970794]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.976862]  ? check_preemption_disabled+0x48/0x280
[  377.981898]  ? __lock_is_held+0xb5/0x140
[  377.985957]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.991497]  ? check_preemption_disabled+0x48/0x280
[  377.996512]  run_timer_softirq+0x52/0xb0
[  378.000574]  ? rcu_read_lock_sched_held+0x14f/0x180
[  378.005586]  __do_softirq+0x308/0xb7e
[  378.009381]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  378.013881]  ? lock_downgrade+0x900/0x900
[  378.018027]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  378.023132]  ? pvclock_read_flags+0x160/0x160
[  378.027623]  ? lapic_next_event+0x5a/0x90
[  378.031765]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.037302]  ? kvm_clock_read+0x18/0x30
[  378.041270]  ? kvm_sched_clock_read+0x9/0x20
[  378.045672]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.051205]  ? check_preemption_disabled+0x48/0x280
[  378.056220]  irq_exit+0x17f/0x1c0
[  378.059668]  smp_apic_timer_interrupt+0x1cb/0x760
[  378.064506]  ? smp_reschedule_interrupt+0x109/0x650
[  378.069520]  ? smp_call_function_single_interrupt+0x650/0x650
[  378.075395]  ? interrupt_entry+0xb5/0xc0
[  378.079450]  ? trace_hardirqs_off_caller+0xbb/0x310
[  378.084473]  ? trace_hardirqs_off_caller+0xbb/0x310
[  378.089488]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  378.094325]  ? trace_hardirqs_on_caller+0x310/0x310
[  378.099333]  ? trace_hardirqs_on_caller+0x310/0x310
[  378.104343]  ? task_prio+0x50/0x50
[  378.107884]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.113414]  ? check_preemption_disabled+0x48/0x280
[  378.118431]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  378.123274]  apic_timer_interrupt+0xf/0x20
[  378.127498]  </IRQ>
[  378.129729] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  378.134657] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  378.154207] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  378.161911] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  378.169172] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  378.176432] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  378.183694] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  378.190957] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  378.198260]  skb_clone+0x1bb/0x500
[  378.201795]  ? finish_task_switch+0x2f4/0x910
[  378.206283]  ? skb_split+0x11e0/0x11e0
[  378.210167]  ? preempt_notifier_register+0x200/0x200
[  378.215266]  ? __switch_to_asm+0x34/0x70
[  378.219321]  ? __switch_to_asm+0x34/0x70
[  378.223375]  ? __switch_to_asm+0x40/0x70
[  378.227430]  ? __switch_to_asm+0x34/0x70
[  378.231482]  ? __switch_to_asm+0x40/0x70
[  378.235535]  ? __switch_to_asm+0x34/0x70
[  378.239590]  ? __switch_to_asm+0x40/0x70
[  378.243641]  ? __switch_to_asm+0x34/0x70
[  378.247692]  ? __switch_to_asm+0x34/0x70
[  378.251747]  ? __switch_to_asm+0x40/0x70
[  378.255802]  ? __switch_to_asm+0x34/0x70
[  378.259874]  bpf_clone_redirect+0xb9/0x490
[  378.264103]  ? __schedule+0x8d7/0x21d0
[  378.267988]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  378.272912]  ? __sched_text_start+0x8/0x8
[  378.277061]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  378.281634]  ? retint_kernel+0x2d/0x2d
[  378.285520]  ? trace_hardirqs_on_caller+0xc0/0x310
[  378.290456]  ? find_held_lock+0x36/0x1c0
[  378.294521]  ? lock_acquire+0x1ed/0x520
[  378.298487]  ? bpf_test_run+0x3cb/0x780
[  378.302465]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.308008]  ? check_preemption_disabled+0x48/0x280
[  378.313021]  ? kasan_check_read+0x11/0x20
[  378.317161]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  378.322434]  ? rcu_softirq_qs+0x20/0x20
[  378.326402]  ? preempt_schedule+0x4d/0x60
[  378.330544]  ? ___preempt_schedule+0x16/0x18
[  378.334955]  ? bpf_test_run+0x25d/0x780
[  378.338938]  ? netlink_diag_dump+0x2a0/0x2a0
[  378.343342]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  378.348876]  ? bpf_test_init.isra.10+0x70/0x100
[  378.353544]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  378.358302]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  378.363146]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  378.368678]  ? fput+0x130/0x1a0
[  378.371951]  ? __bpf_prog_get+0x9b/0x290
[  378.376009]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  378.380851]  ? bpf_prog_test_run+0x130/0x1a0
[  378.385254]  ? __x64_sys_bpf+0x3d8/0x520
[  378.389313]  ? bpf_prog_get+0x20/0x20
[  378.393124]  ? do_syscall_64+0x1b9/0x820
[  378.397181]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  378.402540]  ? syscall_return_slowpath+0x5e0/0x5e0
[  378.407487]  ? trace_hardirqs_on_caller+0x310/0x310
[  378.412499]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  378.417509]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  378.424169]  ? __switch_to_asm+0x40/0x70
[  378.428220]  ? __switch_to_asm+0x34/0x70
[  378.432277]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  378.437118]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  378.442493] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  378.442549] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  378.449336] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  378.449341] Call Trace:
[  378.449358]  dump_stack+0x244/0x39d
[  378.449377]  ? dump_stack_print_info.cold.1+0x20/0x20
[  378.455893] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  378.465210]  warn_alloc.cold.116+0xb7/0x1bd
[  378.467758] syz-executor4 cpuset=syz4 mems_allowed=0
[  378.471372]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  378.501267]  ? lock_downgrade+0x900/0x900
[  378.505417]  ? trace_hardirqs_off+0xb8/0x310
[  378.509835]  ? trace_hardirqs_off+0xb8/0x310
[  378.514243]  __alloc_pages_slowpath+0x26e8/0x2e10
[  378.519105]  ? warn_alloc+0x120/0x120
[  378.522901]  ? print_usage_bug+0xc0/0xc0
[  378.526956]  ? warn_alloc+0x120/0x120
[  378.530761]  ? warn_alloc+0x120/0x120
[  378.534557]  ? print_usage_bug+0xc0/0xc0
[  378.538615]  ? print_usage_bug+0xc0/0xc0
[  378.542671]  ? __lock_acquire+0x62f/0x4c20
[  378.546925]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  378.552461]  ? should_fail+0x22d/0xd01
[  378.556350]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  378.561445]  ? __lock_acquire+0x62f/0x4c20
[  378.565681]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  378.570774]  ? __lock_acquire+0x62f/0x4c20
[  378.575010]  ? should_fail+0x22d/0xd01
[  378.578894]  ? find_held_lock+0x36/0x1c0
[  378.582956]  ? mark_held_locks+0x130/0x130
[  378.587189]  ? mark_held_locks+0x130/0x130
[  378.591414]  ? zap_class+0x640/0x640
[  378.595122]  ? zap_class+0x640/0x640
[  378.598841]  ? print_usage_bug+0xc0/0xc0
[  378.602893]  ? do_raw_spin_unlock+0xa7/0x330
[  378.607292]  ? zap_class+0x640/0x640
[  378.611003]  ? print_usage_bug+0xc0/0xc0
[  378.615056]  ? wq_watchdog_touch+0x9c/0xfe
[  378.619288]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.624822]  ? check_preemption_disabled+0x48/0x280
[  378.629844]  ? __lock_is_held+0xb5/0x140
[  378.633906]  __alloc_pages_nodemask+0xa80/0xde0
[  378.638572]  ? zap_class+0x640/0x640
[  378.642286]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  378.647313]  ? find_held_lock+0x36/0x1c0
[  378.651402]  ? ____cache_alloc_node+0x1c7/0x1e0
[  378.656065]  ? lock_downgrade+0x900/0x900
[  378.660214]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.665751]  cache_grow_begin+0xa5/0x8c0
[  378.669809]  ? do_raw_spin_unlock+0xa7/0x330
[  378.674226]  fallback_alloc+0x204/0x2e0
[  378.678197]  ____cache_alloc_node+0x1c7/0x1e0
[  378.682693]  kmem_cache_alloc_node+0xe3/0x730
[  378.687181]  ? ipv6_get_ifaddr+0x42e/0x620
[  378.691419]  __alloc_skb+0x119/0x770
[  378.695130]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  378.700402]  ? netdev_alloc_frag+0x1f0/0x1f0
[  378.704808]  ? lock_downgrade+0x900/0x900
[  378.708961]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.714489]  ? refcount_sub_and_test_checked+0x203/0x310
[  378.719935]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  378.725378]  ? addrconf_rs_timer+0x690/0x690
[  378.729803]  ndisc_alloc_skb+0x144/0x340
[  378.733869]  ndisc_send_rs+0x331/0x6e0
[  378.737755]  addrconf_rs_timer+0x314/0x690
[  378.741987]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.746224]  call_timer_fn+0x272/0x920
[  378.750108]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.754336]  ? process_timeout+0x40/0x40
[  378.758404]  ? __run_timers+0x7da/0xc70
[  378.762378]  ? _raw_spin_unlock_irq+0x27/0x80
[  378.766865]  ? _raw_spin_unlock_irq+0x27/0x80
[  378.771349]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.775575]  ? lockdep_hardirqs_on+0x296/0x5b0
[  378.780151]  ? trace_hardirqs_on+0xbd/0x310
[  378.784464]  ? kasan_check_read+0x11/0x20
[  378.788602]  ? __run_timers+0x7da/0xc70
[  378.792577]  ? trace_hardirqs_off_caller+0x310/0x310
[  378.797679]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.801926]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.806154]  __run_timers+0x7e5/0xc70
[  378.809958]  ? timer_fixup_init+0x70/0x70
[  378.814101]  ? _raw_spin_unlock_irq+0x27/0x80
[  378.818594]  ? _raw_spin_unlock_irq+0x27/0x80
[  378.823084]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  378.827671]  ? trace_hardirqs_on+0xbd/0x310
[  378.831985]  ? kasan_check_read+0x11/0x20
[  378.836130]  ? finish_task_switch+0x1f4/0x910
[  378.840622]  ? trace_hardirqs_off_caller+0x310/0x310
[  378.845717]  ? compat_start_thread+0x80/0x80
[  378.850138]  ? pvclock_read_flags+0x160/0x160
[  378.854624]  ? __switch_to_asm+0x34/0x70
[  378.858677]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.864209]  ? check_preemption_disabled+0x48/0x280
[  378.869229]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  378.874764]  ? rcu_pm_notify+0xc0/0xc0
[  378.878650]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.884184]  ? check_preemption_disabled+0x48/0x280
[  378.889197]  run_timer_softirq+0x52/0xb0
[  378.893253]  ? rcu_read_lock_sched_held+0x14f/0x180
[  378.898266]  __do_softirq+0x308/0xb7e
[  378.902068]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  378.907164]  ? trace_hardirqs_off+0xb8/0x310
[  378.911568]  ? rcu_irq_enter+0x18c/0x310
[  378.915628]  ? schedule+0x108/0x460
[  378.919249]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  378.924004]  ? trace_hardirqs_off+0xb8/0x310
[  378.928406]  ? smpboot_thread_fn+0x68b/0xa00
[  378.932812]  ? trace_hardirqs_on+0x310/0x310
[  378.937312]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  378.942844]  ? check_preemption_disabled+0x48/0x280
[  378.947861]  ? takeover_tasklets+0xa90/0xa90
[  378.952264]  run_ksoftirqd+0x5e/0x100
[  378.956061]  smpboot_thread_fn+0x68b/0xa00
[  378.960313]  ? sort_range+0x30/0x30
[  378.963931]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  378.969027]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  378.974566]  ? __kthread_parkme+0xfb/0x1a0
[  378.978802]  ? sort_range+0x30/0x30
[  378.982444]  kthread+0x35a/0x440
[  378.985811]  ? kthread_stop+0x900/0x900
[  378.989788]  ret_from_fork+0x3a/0x50
[  378.993513] warn_alloc_show_mem: 1 callbacks suppressed
[  378.993523] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  378.993524] Mem-Info:
[  378.993558] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  378.993558]  active_file:16 inactive_file:14 isolated_file:0
[  378.993558]  unevictable:0 dirty:0 writeback:0 unstable:0
[  378.993558]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  378.993558]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  378.993558]  free:13767 free_pcp:490 free_cma:0
[  378.998896] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  379.006166] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  379.008555] Call Trace:
[  379.041585] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  379.050922]  <IRQ>
[  379.078569] lowmem_reserve[]: 0 2818 6321 6321
[  379.081152]  dump_stack+0x244/0x39d
[  379.107614] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  379.109760]  ? dump_stack_print_info.cold.1+0x20/0x20
[  379.114308] lowmem_reserve[]: 0 0 3503 3503
[  379.117936]  warn_alloc.cold.116+0xb7/0x1bd
[  379.145396] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  379.150578]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  379.154870] lowmem_reserve[]: 0 0 0 0
[  379.159181]  ? lock_downgrade+0x900/0x900
[  379.188300] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  379.193141]  ? trace_hardirqs_off+0xb8/0x310
[  379.196910] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  379.201055]  ? trace_hardirqs_off+0xb8/0x310
[  379.214545] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  379.218945]  __alloc_pages_slowpath+0x26e8/0x2e10
[  379.234265] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  379.238677]  ? warn_alloc+0x120/0x120
[  379.253717] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  379.258543]  ? print_usage_bug+0xc0/0xc0
[  379.267346] 1997 total pagecache pages
[  379.271132]  ? warn_alloc+0x120/0x120
[  379.279681] 0 pages in swap cache
[  379.283728]  ? warn_alloc+0x120/0x120
[  379.287592] Swap cache stats: add 0, delete 0, find 0/0
[  379.291377]  ? print_usage_bug+0xc0/0xc0
[  379.294803] Free swap  = 0kB
[  379.298591]  ? print_usage_bug+0xc0/0xc0
[  379.303923] Total swap = 0kB
[  379.307969]  ? __lock_acquire+0x62f/0x4c20
[  379.310957] 1965979 pages RAM
[  379.315007]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  379.318086] 0 pages HighMem/MovableOnly
[  379.322307]  ? should_fail+0x22d/0xd01
[  379.325387] 342853 pages reserved
[  379.330912]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  379.334853] 0 pages cma reserved
[  379.338723]  ? __lock_acquire+0x62f/0x4c20
[  379.342209] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  379.347241]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  379.350649] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  379.354805]  ? __lock_acquire+0x62f/0x4c20
[  379.361269] ksoftirqd/1 cpuset=/ mems_allowed=0
[  379.366347]  ? should_fail+0x22d/0xd01
[  379.366362]  ? find_held_lock+0x36/0x1c0
[  379.393433]  ? mark_held_locks+0x130/0x130
[  379.397664]  ? mark_held_locks+0x130/0x130
[  379.401900]  ? zap_class+0x640/0x640
[  379.405611]  ? zap_class+0x640/0x640
[  379.409321]  ? print_usage_bug+0xc0/0xc0
[  379.413392]  ? do_raw_spin_unlock+0xa7/0x330
[  379.417803]  ? zap_class+0x640/0x640
[  379.421512]  ? print_usage_bug+0xc0/0xc0
[  379.425566]  ? wq_watchdog_touch+0x9c/0xfe
[  379.429800]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.435330]  ? check_preemption_disabled+0x48/0x280
[  379.440348]  ? __lock_is_held+0xb5/0x140
[  379.444407]  __alloc_pages_nodemask+0xa80/0xde0
[  379.449068]  ? zap_class+0x640/0x640
[  379.452787]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  379.457806]  ? find_held_lock+0x36/0x1c0
[  379.461872]  ? ____cache_alloc_node+0x1c7/0x1e0
[  379.466538]  ? lock_downgrade+0x900/0x900
[  379.470687]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.476225]  cache_grow_begin+0xa5/0x8c0
[  379.480286]  ? do_raw_spin_unlock+0xa7/0x330
[  379.484694]  fallback_alloc+0x204/0x2e0
[  379.488674]  ____cache_alloc_node+0x1c7/0x1e0
[  379.493172]  kmem_cache_alloc_node+0xe3/0x730
[  379.497660]  ? ipv6_get_ifaddr+0x42e/0x620
[  379.501898]  __alloc_skb+0x119/0x770
[  379.505606]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  379.510880]  ? netdev_alloc_frag+0x1f0/0x1f0
[  379.515281]  ? lock_downgrade+0x900/0x900
[  379.519432]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.524962]  ? refcount_sub_and_test_checked+0x203/0x310
[  379.530413]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  379.535859]  ? addrconf_rs_timer+0x690/0x690
[  379.540271]  ndisc_alloc_skb+0x144/0x340
[  379.544329]  ndisc_send_rs+0x331/0x6e0
[  379.548214]  addrconf_rs_timer+0x314/0x690
[  379.552471]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  379.556708]  call_timer_fn+0x272/0x920
[  379.560595]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  379.564909]  ? process_timeout+0x40/0x40
[  379.568973]  ? __run_timers+0x7da/0xc70
[  379.572940]  ? _raw_spin_unlock_irq+0x27/0x80
[  379.577425]  ? _raw_spin_unlock_irq+0x27/0x80
[  379.581925]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  379.586153]  ? lockdep_hardirqs_on+0x296/0x5b0
[  379.590737]  ? trace_hardirqs_on+0xbd/0x310
[  379.595060]  ? kasan_check_read+0x11/0x20
[  379.599201]  ? __run_timers+0x7da/0xc70
[  379.603167]  ? trace_hardirqs_off_caller+0x310/0x310
[  379.608356]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  379.612592]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  379.616821]  __run_timers+0x7e5/0xc70
[  379.620623]  ? timer_fixup_init+0x70/0x70
[  379.624770]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  379.629780]  ? zap_class+0x640/0x640
[  379.633491]  ? enqueue_hrtimer+0x1a5/0x560
[  379.637721]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  379.642922]  ? find_held_lock+0x36/0x1c0
[  379.646984]  ? zap_class+0x640/0x640
[  379.650694]  ? pvclock_read_flags+0x160/0x160
[  379.655193]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.660732]  ? check_preemption_disabled+0x48/0x280
[  379.665768]  ? __lock_is_held+0xb5/0x140
[  379.669847]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.675381]  ? check_preemption_disabled+0x48/0x280
[  379.680399]  run_timer_softirq+0x52/0xb0
[  379.684457]  ? rcu_read_lock_sched_held+0x14f/0x180
[  379.689467]  __do_softirq+0x308/0xb7e
[  379.693269]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  379.697768]  ? lock_downgrade+0x900/0x900
[  379.701916]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  379.707024]  ? pvclock_read_flags+0x160/0x160
[  379.711518]  ? lapic_next_event+0x5a/0x90
[  379.715660]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.721195]  ? kvm_clock_read+0x18/0x30
[  379.725166]  ? kvm_sched_clock_read+0x9/0x20
[  379.729569]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.735099]  ? check_preemption_disabled+0x48/0x280
[  379.740203]  irq_exit+0x17f/0x1c0
[  379.743650]  smp_apic_timer_interrupt+0x1cb/0x760
[  379.748488]  ? smp_reschedule_interrupt+0x109/0x650
[  379.753497]  ? smp_call_function_single_interrupt+0x650/0x650
[  379.759376]  ? interrupt_entry+0xb5/0xc0
[  379.763434]  ? trace_hardirqs_off_caller+0xbb/0x310
[  379.768444]  ? trace_hardirqs_off_caller+0xbb/0x310
[  379.773458]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  379.778300]  ? trace_hardirqs_on_caller+0x310/0x310
[  379.783309]  ? trace_hardirqs_on_caller+0x310/0x310
[  379.788320]  ? task_prio+0x50/0x50
[  379.791863]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.797394]  ? check_preemption_disabled+0x48/0x280
[  379.802408]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  379.807250]  apic_timer_interrupt+0xf/0x20
[  379.811475]  </IRQ>
[  379.813706] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  379.818647] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  379.837626] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  379.845324] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  379.852587] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  379.859847] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  379.867106] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  379.874367] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  379.881673]  skb_clone+0x1bb/0x500
[  379.885208]  ? finish_task_switch+0x2f4/0x910
[  379.889696]  ? skb_split+0x11e0/0x11e0
[  379.893587]  ? preempt_notifier_register+0x200/0x200
[  379.898681]  ? __switch_to_asm+0x34/0x70
[  379.902742]  ? __switch_to_asm+0x34/0x70
[  379.906797]  ? __switch_to_asm+0x40/0x70
[  379.910852]  ? __switch_to_asm+0x34/0x70
[  379.914903]  ? __switch_to_asm+0x40/0x70
[  379.918955]  ? __switch_to_asm+0x34/0x70
[  379.923005]  ? __switch_to_asm+0x40/0x70
[  379.927054]  ? __switch_to_asm+0x34/0x70
[  379.931110]  ? __switch_to_asm+0x34/0x70
[  379.935162]  ? __switch_to_asm+0x40/0x70
[  379.939214]  ? __switch_to_asm+0x34/0x70
[  379.943274]  bpf_clone_redirect+0xb9/0x490
[  379.947502]  ? __schedule+0x8d7/0x21d0
[  379.951387]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  379.956309]  ? __sched_text_start+0x8/0x8
[  379.960453]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  379.965046]  ? retint_kernel+0x2d/0x2d
[  379.968928]  ? trace_hardirqs_on_caller+0xc0/0x310
[  379.974771]  ? find_held_lock+0x36/0x1c0
[  379.978842]  ? lock_acquire+0x1ed/0x520
[  379.982809]  ? bpf_test_run+0x3cb/0x780
[  379.986789]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.992324]  ? check_preemption_disabled+0x48/0x280
[  379.997339]  ? kasan_check_read+0x11/0x20
[  380.001480]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  380.006757]  ? rcu_softirq_qs+0x20/0x20
[  380.010737]  ? preempt_schedule+0x4d/0x60
[  380.014879]  ? ___preempt_schedule+0x16/0x18
[  380.019292]  ? bpf_test_run+0x25d/0x780
[  380.023268]  ? netlink_diag_dump+0x2a0/0x2a0
[  380.027675]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  380.033213]  ? bpf_test_init.isra.10+0x70/0x100
[  380.037880]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  380.042641]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  380.047476]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  380.053010]  ? fput+0x130/0x1a0
[  380.056283]  ? __bpf_prog_get+0x9b/0x290
[  380.060339]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  380.065171]  ? bpf_prog_test_run+0x130/0x1a0
[  380.069580]  ? __x64_sys_bpf+0x3d8/0x520
[  380.073633]  ? bpf_prog_get+0x20/0x20
[  380.077445]  ? do_syscall_64+0x1b9/0x820
[  380.081497]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  380.086853]  ? syscall_return_slowpath+0x5e0/0x5e0
[  380.091784]  ? trace_hardirqs_on_caller+0x310/0x310
[  380.096797]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  380.101807]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  380.108467]  ? __switch_to_asm+0x40/0x70
[  380.112523]  ? __switch_to_asm+0x34/0x70
[  380.116581]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  380.121424]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  380.126800] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  380.126861] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  380.133636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  380.133642] Call Trace:
[  380.133659]  dump_stack+0x244/0x39d
[  380.133680]  ? dump_stack_print_info.cold.1+0x20/0x20
[  380.140223] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  380.150013]  warn_alloc.cold.116+0xb7/0x1bd
[  380.152565] syz-executor4 cpuset=syz4 mems_allowed=0
[  380.156181]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  380.186031]  ? lock_downgrade+0x900/0x900
[  380.190182]  ? trace_hardirqs_off+0xb8/0x310
[  380.194593]  ? trace_hardirqs_off+0xb8/0x310
[  380.199005]  __alloc_pages_slowpath+0x26e8/0x2e10
[  380.203871]  ? warn_alloc+0x120/0x120
[  380.207666]  ? print_usage_bug+0xc0/0xc0
[  380.211736]  ? warn_alloc+0x120/0x120
[  380.215536]  ? warn_alloc+0x120/0x120
[  380.219333]  ? print_usage_bug+0xc0/0xc0
[  380.223393]  ? print_usage_bug+0xc0/0xc0
[  380.227450]  ? __lock_acquire+0x62f/0x4c20
[  380.231688]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  380.237248]  ? should_fail+0x22d/0xd01
[  380.241138]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  380.246238]  ? __lock_acquire+0x62f/0x4c20
[  380.250469]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  380.255568]  ? __lock_acquire+0x62f/0x4c20
[  380.259796]  ? should_fail+0x22d/0xd01
[  380.263689]  ? find_held_lock+0x36/0x1c0
[  380.267757]  ? mark_held_locks+0x130/0x130
[  380.271993]  ? mark_held_locks+0x130/0x130
[  380.276221]  ? zap_class+0x640/0x640
[  380.279934]  ? mark_held_locks+0xc7/0x130
[  380.284074]  ? do_raw_spin_unlock+0xa7/0x330
[  380.288475]  ? zap_class+0x640/0x640
[  380.292182]  ? print_usage_bug+0xc0/0xc0
[  380.296244]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.301776]  ? check_preemption_disabled+0x48/0x280
[  380.306794]  ? __lock_is_held+0xb5/0x140
[  380.310856]  __alloc_pages_nodemask+0xa80/0xde0
[  380.315520]  ? zap_class+0x640/0x640
[  380.319231]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  380.324255]  ? find_held_lock+0x36/0x1c0
[  380.328337]  ? ____cache_alloc_node+0x1c7/0x1e0
[  380.333004]  ? lock_downgrade+0x900/0x900
[  380.337150]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.342689]  cache_grow_begin+0xa5/0x8c0
[  380.346750]  ? do_raw_spin_unlock+0xa7/0x330
[  380.351163]  fallback_alloc+0x204/0x2e0
[  380.355138]  ____cache_alloc_node+0x1c7/0x1e0
[  380.359631]  kmem_cache_alloc_node+0xe3/0x730
[  380.364123]  ? ipv6_get_ifaddr+0x42e/0x620
[  380.368362]  __alloc_skb+0x119/0x770
[  380.372070]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  380.377344]  ? netdev_alloc_frag+0x1f0/0x1f0
[  380.381749]  ? lock_downgrade+0x900/0x900
[  380.385904]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.391439]  ? refcount_sub_and_test_checked+0x203/0x310
[  380.396888]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  380.402335]  ? addrconf_rs_timer+0x690/0x690
[  380.406750]  ndisc_alloc_skb+0x144/0x340
[  380.410848]  ndisc_send_rs+0x331/0x6e0
[  380.414733]  addrconf_rs_timer+0x314/0x690
[  380.418967]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.423210]  call_timer_fn+0x272/0x920
[  380.427092]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.431319]  ? process_timeout+0x40/0x40
[  380.435381]  ? __run_timers+0x7da/0xc70
[  380.439351]  ? _raw_spin_unlock_irq+0x27/0x80
[  380.443840]  ? _raw_spin_unlock_irq+0x27/0x80
[  380.448329]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.452558]  ? lockdep_hardirqs_on+0x296/0x5b0
[  380.457138]  ? trace_hardirqs_on+0xbd/0x310
[  380.461457]  ? kasan_check_read+0x11/0x20
[  380.465600]  ? __run_timers+0x7da/0xc70
[  380.469572]  ? trace_hardirqs_off_caller+0x310/0x310
[  380.474682]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.478919]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.483148]  __run_timers+0x7e5/0xc70
[  380.486957]  ? timer_fixup_init+0x70/0x70
[  380.491100]  ? _raw_spin_unlock_irq+0x27/0x80
[  380.495603]  ? _raw_spin_unlock_irq+0x27/0x80
[  380.500098]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  380.504680]  ? trace_hardirqs_on+0xbd/0x310
[  380.508999]  ? kasan_check_read+0x11/0x20
[  380.513142]  ? finish_task_switch+0x1f4/0x910
[  380.517632]  ? trace_hardirqs_off_caller+0x310/0x310
[  380.522733]  ? compat_start_thread+0x80/0x80
[  380.527155]  ? pvclock_read_flags+0x160/0x160
[  380.531645]  ? __switch_to_asm+0x34/0x70
[  380.535706]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.541240]  ? check_preemption_disabled+0x48/0x280
[  380.546261]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  380.551797]  ? rcu_pm_notify+0xc0/0xc0
[  380.555695]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.561226]  ? check_preemption_disabled+0x48/0x280
[  380.566240]  run_timer_softirq+0x52/0xb0
[  380.570292]  ? rcu_read_lock_sched_held+0x14f/0x180
[  380.575301]  __do_softirq+0x308/0xb7e
[  380.579105]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  380.584199]  ? trace_hardirqs_off+0xb8/0x310
[  380.588599]  ? rcu_irq_enter+0x18c/0x310
[  380.592671]  ? schedule+0x108/0x460
[  380.596294]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  380.601052]  ? trace_hardirqs_off+0xb8/0x310
[  380.605456]  ? smpboot_thread_fn+0x68b/0xa00
[  380.609862]  ? trace_hardirqs_on+0x310/0x310
[  380.614263]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  380.619795]  ? check_preemption_disabled+0x48/0x280
[  380.624809]  ? takeover_tasklets+0xa90/0xa90
[  380.629216]  run_ksoftirqd+0x5e/0x100
[  380.633021]  smpboot_thread_fn+0x68b/0xa00
[  380.637255]  ? sort_range+0x30/0x30
[  380.640874]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  380.645966]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  380.651495]  ? __kthread_parkme+0xfb/0x1a0
[  380.655731]  ? sort_range+0x30/0x30
[  380.659349]  kthread+0x35a/0x440
[  380.662715]  ? kthread_stop+0x900/0x900
[  380.666683]  ret_from_fork+0x3a/0x50
[  380.670405] warn_alloc_show_mem: 1 callbacks suppressed
[  380.670415] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  380.670416] Mem-Info:
[  380.670446] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  380.670446]  active_file:16 inactive_file:14 isolated_file:0
[  380.670446]  unevictable:0 dirty:0 writeback:0 unstable:0
[  380.670446]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  380.670446]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  380.670446]  free:13767 free_pcp:490 free_cma:0
[  380.675777] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  380.683042] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  380.685429] Call Trace:
[  380.718456] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  380.727795]  <IRQ>
[  380.755438] lowmem_reserve[]: 0 2818 6321 6321
[  380.758011]  dump_stack+0x244/0x39d
[  380.784089] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  380.786234]  ? dump_stack_print_info.cold.1+0x20/0x20
[  380.790783] lowmem_reserve[]: 0 0 3503 3503
[  380.794409]  warn_alloc.cold.116+0xb7/0x1bd
[  380.821870] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  380.827047]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  380.831338] lowmem_reserve[]: 0 0 0 0
[  380.835660]  ? lock_downgrade+0x900/0x900
[  380.864771] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  380.869605]  ? trace_hardirqs_off+0xb8/0x310
[  380.873459] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  380.877599]  ? trace_hardirqs_off+0xb8/0x310
[  380.891090] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  380.895492]  __alloc_pages_slowpath+0x26e8/0x2e10
[  380.910810] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  380.915222]  ? warn_alloc+0x120/0x120
[  380.930259] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  380.935086]  ? print_usage_bug+0xc0/0xc0
[  380.943892] 1997 total pagecache pages
[  380.947677]  ? warn_alloc+0x120/0x120
[  380.956239] 0 pages in swap cache
[  380.960282]  ? warn_alloc+0x120/0x120
[  380.964138] Swap cache stats: add 0, delete 0, find 0/0
[  380.964149] Free swap  = 0kB
[  380.967931]  ? print_usage_bug+0xc0/0xc0
[  380.971352] Total swap = 0kB
[  380.971359] 1965979 pages RAM
[  380.975142]  ? kvm_clock_read+0x18/0x30
[  380.980480] 0 pages HighMem/MovableOnly
[  380.983486]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  380.987509] 342853 pages reserved
[  380.987516] 0 pages cma reserved
[  380.990539]  ? print_usage_bug+0xc0/0xc0
[  380.993697] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  380.997576]  ? __lock_acquire+0x62f/0x4c20
[  381.001595] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  381.006535]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  381.009958] ksoftirqd/1 cpuset=/ mems_allowed=0
[  381.013335]  ? should_fail+0x22d/0xd01
[  381.052372]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  381.057656]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  381.062770]  ? __lock_acquire+0x62f/0x4c20
[  381.067088]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  381.072181]  ? __lock_acquire+0x62f/0x4c20
[  381.076406]  ? should_fail+0x22d/0xd01
[  381.080287]  ? rcu_irq_exit+0x1a2/0x390
[  381.084281]  ? mark_held_locks+0x130/0x130
[  381.088516]  ? mark_held_locks+0x130/0x130
[  381.092753]  ? mark_held_locks+0xc7/0x130
[  381.096897]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  381.101913]  ? zap_class+0x640/0x640
[  381.105624]  ? print_usage_bug+0xc0/0xc0
[  381.109689]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.115224]  ? check_preemption_disabled+0x48/0x280
[  381.120255]  ? __lock_is_held+0xb5/0x140
[  381.124318]  __alloc_pages_nodemask+0xa80/0xde0
[  381.128980]  ? zap_class+0x640/0x640
[  381.132694]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  381.137736]  ? find_held_lock+0x36/0x1c0
[  381.141794]  ? ____cache_alloc_node+0x1c7/0x1e0
[  381.146450]  ? lock_downgrade+0x900/0x900
[  381.150623]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.156162]  cache_grow_begin+0xa5/0x8c0
[  381.160212]  ? do_raw_spin_unlock+0xa7/0x330
[  381.164631]  fallback_alloc+0x204/0x2e0
[  381.168616]  ____cache_alloc_node+0x1c7/0x1e0
[  381.173117]  kmem_cache_alloc_node+0xe3/0x730
[  381.177604]  ? ipv6_get_ifaddr+0x42e/0x620
[  381.181857]  __alloc_skb+0x119/0x770
[  381.185562]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  381.190834]  ? netdev_alloc_frag+0x1f0/0x1f0
[  381.195234]  ? lock_downgrade+0x900/0x900
[  381.199381]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.204912]  ? refcount_sub_and_test_checked+0x203/0x310
[  381.210359]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  381.215803]  ? addrconf_rs_timer+0x690/0x690
[  381.220216]  ndisc_alloc_skb+0x144/0x340
[  381.224963]  ndisc_send_rs+0x331/0x6e0
[  381.228852]  addrconf_rs_timer+0x314/0x690
[  381.233083]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  381.237323]  call_timer_fn+0x272/0x920
[  381.241208]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  381.245437]  ? process_timeout+0x40/0x40
[  381.249497]  ? __run_timers+0x7da/0xc70
[  381.253471]  ? _raw_spin_unlock_irq+0x27/0x80
[  381.257959]  ? _raw_spin_unlock_irq+0x27/0x80
[  381.262447]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  381.266676]  ? lockdep_hardirqs_on+0x296/0x5b0
[  381.271254]  ? trace_hardirqs_on+0xbd/0x310
[  381.275569]  ? kasan_check_read+0x11/0x20
[  381.279717]  ? __run_timers+0x7da/0xc70
[  381.283688]  ? trace_hardirqs_off_caller+0x310/0x310
[  381.288798]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  381.293026]  __run_timers+0x7e5/0xc70
[  381.296830]  ? timer_fixup_init+0x70/0x70
[  381.300972]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  381.306076]  ? zap_class+0x640/0x640
[  381.309789]  ? enqueue_hrtimer+0x1a5/0x560
[  381.314018]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  381.319210]  ? find_held_lock+0x36/0x1c0
[  381.323267]  ? zap_class+0x640/0x640
[  381.326975]  ? pvclock_read_flags+0x160/0x160
[  381.331467]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.337000]  ? check_preemption_disabled+0x48/0x280
[  381.342016]  ? __lock_is_held+0xb5/0x140
[  381.346071]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.351617]  ? check_preemption_disabled+0x48/0x280
[  381.356638]  run_timer_softirq+0x52/0xb0
[  381.360693]  ? rcu_read_lock_sched_held+0x14f/0x180
[  381.365701]  __do_softirq+0x308/0xb7e
[  381.369501]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  381.373987]  ? lock_downgrade+0x900/0x900
[  381.378133]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  381.383239]  ? pvclock_read_flags+0x160/0x160
[  381.387728]  ? lapic_next_event+0x5a/0x90
[  381.391870]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.397403]  ? kvm_clock_read+0x18/0x30
[  381.401370]  ? kvm_sched_clock_read+0x9/0x20
[  381.405780]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.411311]  ? check_preemption_disabled+0x48/0x280
[  381.416326]  irq_exit+0x17f/0x1c0
[  381.419770]  smp_apic_timer_interrupt+0x1cb/0x760
[  381.424622]  ? smp_reschedule_interrupt+0x109/0x650
[  381.429640]  ? smp_call_function_single_interrupt+0x650/0x650
[  381.435518]  ? interrupt_entry+0xb5/0xc0
[  381.439616]  ? trace_hardirqs_off_caller+0xbb/0x310
[  381.444632]  ? trace_hardirqs_off_caller+0xbb/0x310
[  381.449641]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  381.454478]  ? trace_hardirqs_on_caller+0x310/0x310
[  381.459491]  ? trace_hardirqs_on_caller+0x310/0x310
[  381.464592]  ? task_prio+0x50/0x50
[  381.468131]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.473665]  ? check_preemption_disabled+0x48/0x280
[  381.478680]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  381.483522]  apic_timer_interrupt+0xf/0x20
[  381.487743]  </IRQ>
[  381.489974] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  381.494900] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  381.513795] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  381.521493] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  381.528775] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  381.536034] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  381.543294] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  381.550554] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  381.557859]  skb_clone+0x1bb/0x500
[  381.561394]  ? finish_task_switch+0x2f4/0x910
[  381.565886]  ? skb_split+0x11e0/0x11e0
[  381.569771]  ? preempt_notifier_register+0x200/0x200
[  381.574863]  ? __switch_to_asm+0x34/0x70
[  381.578915]  ? __switch_to_asm+0x34/0x70
[  381.582969]  ? __switch_to_asm+0x40/0x70
[  381.587023]  ? __switch_to_asm+0x34/0x70
[  381.591077]  ? __switch_to_asm+0x40/0x70
[  381.595127]  ? __switch_to_asm+0x34/0x70
[  381.599179]  ? __switch_to_asm+0x40/0x70
[  381.603228]  ? __switch_to_asm+0x34/0x70
[  381.607281]  ? __switch_to_asm+0x34/0x70
[  381.611333]  ? __switch_to_asm+0x40/0x70
[  381.615387]  ? __switch_to_asm+0x34/0x70
[  381.619445]  bpf_clone_redirect+0xb9/0x490
[  381.623676]  ? __schedule+0x8d7/0x21d0
[  381.627565]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  381.632505]  ? __sched_text_start+0x8/0x8
[  381.636658]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  381.641324]  ? retint_kernel+0x2d/0x2d
[  381.645205]  ? trace_hardirqs_on_caller+0xc0/0x310
[  381.650135]  ? find_held_lock+0x36/0x1c0
[  381.654197]  ? lock_acquire+0x1ed/0x520
[  381.658166]  ? bpf_test_run+0x3cb/0x780
[  381.662138]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.667670]  ? check_preemption_disabled+0x48/0x280
[  381.672687]  ? kasan_check_read+0x11/0x20
[  381.676829]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  381.682096]  ? rcu_softirq_qs+0x20/0x20
[  381.686064]  ? preempt_schedule+0x4d/0x60
[  381.690213]  ? ___preempt_schedule+0x16/0x18
[  381.694621]  ? bpf_test_run+0x25d/0x780
[  381.698612]  ? netlink_diag_dump+0x2a0/0x2a0
[  381.703016]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  381.708545]  ? bpf_test_init.isra.10+0x70/0x100
[  381.713215]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  381.717977]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  381.722815]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  381.728345]  ? fput+0x130/0x1a0
[  381.731621]  ? __bpf_prog_get+0x9b/0x290
[  381.735678]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  381.740511]  ? bpf_prog_test_run+0x130/0x1a0
[  381.744916]  ? __x64_sys_bpf+0x3d8/0x520
[  381.748969]  ? bpf_prog_get+0x20/0x20
[  381.752816]  ? do_syscall_64+0x1b9/0x820
[  381.756869]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  381.762226]  ? syscall_return_slowpath+0x5e0/0x5e0
[  381.767153]  ? trace_hardirqs_on_caller+0x310/0x310
[  381.772161]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  381.777179]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  381.783838]  ? __switch_to_asm+0x40/0x70
[  381.787889]  ? __switch_to_asm+0x34/0x70
[  381.791948]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  381.796788]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  381.802161] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  381.802223] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  381.809001] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  381.809006] Call Trace:
[  381.809024]  dump_stack+0x244/0x39d
[  381.809043]  ? dump_stack_print_info.cold.1+0x20/0x20
[  381.815555] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  381.824861]  warn_alloc.cold.116+0xb7/0x1bd
[  381.827410] syz-executor4 cpuset=syz4 mems_allowed=0
[  381.831027]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  381.860871]  ? lock_downgrade+0x900/0x900
[  381.865027]  ? trace_hardirqs_off+0xb8/0x310
[  381.869438]  ? trace_hardirqs_off+0xb8/0x310
[  381.873851]  __alloc_pages_slowpath+0x26e8/0x2e10
[  381.878717]  ? warn_alloc+0x120/0x120
[  381.882513]  ? print_usage_bug+0xc0/0xc0
[  381.886578]  ? warn_alloc+0x120/0x120
[  381.890376]  ? warn_alloc+0x120/0x120
[  381.894170]  ? print_usage_bug+0xc0/0xc0
[  381.898232]  ? print_usage_bug+0xc0/0xc0
[  381.902287]  ? __lock_acquire+0x62f/0x4c20
[  381.906528]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  381.912066]  ? should_fail+0x22d/0xd01
[  381.915954]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  381.921051]  ? __lock_acquire+0x62f/0x4c20
[  381.925289]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  381.930388]  ? __lock_acquire+0x62f/0x4c20
[  381.934616]  ? should_fail+0x22d/0xd01
[  381.938494]  ? find_held_lock+0x36/0x1c0
[  381.942567]  ? mark_held_locks+0x130/0x130
[  381.946801]  ? mark_held_locks+0x130/0x130
[  381.951025]  ? zap_class+0x640/0x640
[  381.954737]  ? mark_held_locks+0xc7/0x130
[  381.958878]  ? do_raw_spin_unlock+0xa7/0x330
[  381.963279]  ? zap_class+0x640/0x640
[  381.966990]  ? print_usage_bug+0xc0/0xc0
[  381.971048]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.976894]  ? check_preemption_disabled+0x48/0x280
[  381.981923]  ? __lock_is_held+0xb5/0x140
[  381.985986]  __alloc_pages_nodemask+0xa80/0xde0
[  381.990655]  ? zap_class+0x640/0x640
[  381.994371]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  381.999396]  ? find_held_lock+0x36/0x1c0
[  382.003460]  ? ____cache_alloc_node+0x1c7/0x1e0
[  382.008123]  ? lock_downgrade+0x900/0x900
[  382.012276]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.017810]  cache_grow_begin+0xa5/0x8c0
[  382.021863]  ? do_raw_spin_unlock+0xa7/0x330
[  382.026273]  fallback_alloc+0x204/0x2e0
[  382.030248]  ____cache_alloc_node+0x1c7/0x1e0
[  382.034745]  kmem_cache_alloc_node+0xe3/0x730
[  382.039234]  ? ipv6_get_ifaddr+0x42e/0x620
[  382.043474]  __alloc_skb+0x119/0x770
[  382.047185]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  382.052465]  ? netdev_alloc_frag+0x1f0/0x1f0
[  382.056870]  ? lock_downgrade+0x900/0x900
[  382.061023]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.066561]  ? refcount_sub_and_test_checked+0x203/0x310
[  382.072008]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  382.077452]  ? addrconf_rs_timer+0x690/0x690
[  382.081870]  ndisc_alloc_skb+0x144/0x340
[  382.085930]  ndisc_send_rs+0x331/0x6e0
[  382.089815]  addrconf_rs_timer+0x314/0x690
[  382.094048]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.098292]  call_timer_fn+0x272/0x920
[  382.102173]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.106400]  ? process_timeout+0x40/0x40
[  382.110461]  ? __run_timers+0x7da/0xc70
[  382.114431]  ? _raw_spin_unlock_irq+0x27/0x80
[  382.118918]  ? _raw_spin_unlock_irq+0x27/0x80
[  382.123417]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.127646]  ? lockdep_hardirqs_on+0x296/0x5b0
[  382.132231]  ? trace_hardirqs_on+0xbd/0x310
[  382.136554]  ? kasan_check_read+0x11/0x20
[  382.140695]  ? __run_timers+0x7da/0xc70
[  382.145662]  ? trace_hardirqs_off_caller+0x310/0x310
[  382.150766]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.155001]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.159230]  __run_timers+0x7e5/0xc70
[  382.163034]  ? timer_fixup_init+0x70/0x70
[  382.167183]  ? _raw_spin_unlock_irq+0x27/0x80
[  382.171672]  ? _raw_spin_unlock_irq+0x27/0x80
[  382.176165]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  382.180742]  ? trace_hardirqs_on+0xbd/0x310
[  382.185076]  ? kasan_check_read+0x11/0x20
[  382.189222]  ? finish_task_switch+0x1f4/0x910
[  382.193716]  ? trace_hardirqs_off_caller+0x310/0x310
[  382.198815]  ? compat_start_thread+0x80/0x80
[  382.203236]  ? pvclock_read_flags+0x160/0x160
[  382.207725]  ? __switch_to_asm+0x34/0x70
[  382.211780]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.217313]  ? check_preemption_disabled+0x48/0x280
[  382.222342]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  382.227873]  ? rcu_pm_notify+0xc0/0xc0
[  382.231759]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.237377]  ? check_preemption_disabled+0x48/0x280
[  382.242390]  run_timer_softirq+0x52/0xb0
[  382.246445]  ? rcu_read_lock_sched_held+0x14f/0x180
[  382.251455]  __do_softirq+0x308/0xb7e
[  382.255261]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  382.260355]  ? trace_hardirqs_off+0xb8/0x310
[  382.264756]  ? rcu_irq_enter+0x18c/0x310
[  382.268833]  ? schedule+0x108/0x460
[  382.272547]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  382.277307]  ? trace_hardirqs_off+0xb8/0x310
[  382.281712]  ? smpboot_thread_fn+0x68b/0xa00
[  382.286113]  ? trace_hardirqs_on+0x310/0x310
[  382.290521]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  382.296062]  ? check_preemption_disabled+0x48/0x280
[  382.301075]  ? takeover_tasklets+0xa90/0xa90
[  382.305482]  run_ksoftirqd+0x5e/0x100
[  382.309276]  smpboot_thread_fn+0x68b/0xa00
[  382.313508]  ? sort_range+0x30/0x30
[  382.317137]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  382.322234]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  382.327769]  ? __kthread_parkme+0xfb/0x1a0
[  382.332002]  ? sort_range+0x30/0x30
[  382.335628]  kthread+0x35a/0x440
[  382.338990]  ? kthread_stop+0x900/0x900
[  382.342958]  ret_from_fork+0x3a/0x50
[  382.346684] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  382.346689] warn_alloc_show_mem: 1 callbacks suppressed
[  382.346695] Mem-Info:
[  382.353963] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  382.359322] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  382.359322]  active_file:16 inactive_file:14 isolated_file:0
[  382.359322]  unevictable:0 dirty:0 writeback:0 unstable:0
[  382.359322]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  382.359322]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  382.359322]  free:13767 free_pcp:490 free_cma:0
[  382.361691] Call Trace:
[  382.371065] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  382.404076]  <IRQ>
[  382.406645] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  382.434307]  dump_stack+0x244/0x39d
[  382.436426] lowmem_reserve[]: 0 2818 6321 6321
[  382.462549]  ? dump_stack_print_info.cold.1+0x20/0x20
[  382.466138] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  382.470718]  warn_alloc.cold.116+0xb7/0x1bd
[  382.475866] lowmem_reserve[]: 0 0 3503 3503
[  382.503351]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  382.507644] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  382.511954]  ? lock_downgrade+0x900/0x900
[  382.516766] lowmem_reserve[]: 0 0 0 0
[  382.545903]  ? trace_hardirqs_off+0xb8/0x310
[  382.550019] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  382.553810]  ? trace_hardirqs_off+0xb8/0x310
[  382.558188] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  382.571709]  __alloc_pages_slowpath+0x26e8/0x2e10
[  382.576084] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  382.591440]  ? warn_alloc+0x120/0x120
[  382.596241] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  382.611309]  ? print_usage_bug+0xc0/0xc0
[  382.615082] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  382.623895]  ? warn_alloc+0x120/0x120
[  382.627925] 1997 total pagecache pages
[  382.636484]  ? warn_alloc+0x120/0x120
[  382.640268] 0 pages in swap cache
[  382.644135]  ? print_usage_bug+0xc0/0xc0
[  382.647914] Swap cache stats: add 0, delete 0, find 0/0
[  382.651352]  ? print_usage_bug+0xc0/0xc0
[  382.655386] Free swap  = 0kB
[  382.660734]  ? __lock_acquire+0x62f/0x4c20
[  382.664765] Total swap = 0kB
[  382.667776]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  382.671978] 1965979 pages RAM
[  382.674981]  ? should_fail+0x22d/0xd01
[  382.680490] 0 pages HighMem/MovableOnly
[  382.683588]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  382.687442] 342853 pages reserved
[  382.691407]  ? __lock_acquire+0x62f/0x4c20
[  382.696476] 0 pages cma reserved
[  382.699920]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  382.704184] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  382.707470]  ? __lock_acquire+0x62f/0x4c20
[  382.707485]  ? should_fail+0x22d/0xd01
[  382.712738] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  382.719045]  ? find_held_lock+0x36/0x1c0
[  382.723248] ksoftirqd/1 cpuset=/ mems_allowed=0
[  382.727127]  ? mark_held_locks+0x130/0x130
[  382.750317]  ? mark_held_locks+0x130/0x130
[  382.754541]  ? zap_class+0x640/0x640
[  382.758246]  ? zap_class+0x640/0x640
[  382.761953]  ? print_usage_bug+0xc0/0xc0
[  382.766008]  ? do_raw_spin_unlock+0xa7/0x330
[  382.770412]  ? zap_class+0x640/0x640
[  382.774118]  ? print_usage_bug+0xc0/0xc0
[  382.778175]  ? wq_watchdog_touch+0x9c/0xfe
[  382.782405]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.787941]  ? check_preemption_disabled+0x48/0x280
[  382.792960]  ? __lock_is_held+0xb5/0x140
[  382.797024]  __alloc_pages_nodemask+0xa80/0xde0
[  382.801684]  ? zap_class+0x640/0x640
[  382.805396]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  382.810414]  ? find_held_lock+0x36/0x1c0
[  382.814479]  ? ____cache_alloc_node+0x1c7/0x1e0
[  382.819157]  ? lock_downgrade+0x900/0x900
[  382.823306]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.828843]  cache_grow_begin+0xa5/0x8c0
[  382.832899]  ? do_raw_spin_unlock+0xa7/0x330
[  382.837307]  fallback_alloc+0x204/0x2e0
[  382.841282]  ____cache_alloc_node+0x1c7/0x1e0
[  382.845777]  kmem_cache_alloc_node+0xe3/0x730
[  382.850266]  ? ipv6_get_ifaddr+0x42e/0x620
[  382.854514]  __alloc_skb+0x119/0x770
[  382.858219]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  382.863505]  ? netdev_alloc_frag+0x1f0/0x1f0
[  382.867912]  ? lock_downgrade+0x900/0x900
[  382.872062]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.877592]  ? refcount_sub_and_test_checked+0x203/0x310
[  382.883039]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  382.888493]  ? addrconf_rs_timer+0x690/0x690
[  382.892908]  ndisc_alloc_skb+0x144/0x340
[  382.896964]  ndisc_send_rs+0x331/0x6e0
[  382.900849]  addrconf_rs_timer+0x314/0x690
[  382.905083]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.909319]  call_timer_fn+0x272/0x920
[  382.913198]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.917425]  ? process_timeout+0x40/0x40
[  382.921500]  ? __run_timers+0x7da/0xc70
[  382.925470]  ? _raw_spin_unlock_irq+0x27/0x80
[  382.929973]  ? _raw_spin_unlock_irq+0x27/0x80
[  382.934464]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.938701]  ? lockdep_hardirqs_on+0x296/0x5b0
[  382.943279]  ? trace_hardirqs_on+0xbd/0x310
[  382.947595]  ? kasan_check_read+0x11/0x20
[  382.951736]  ? __run_timers+0x7da/0xc70
[  382.955707]  ? trace_hardirqs_off_caller+0x310/0x310
[  382.960810]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.965046]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.969274]  __run_timers+0x7e5/0xc70
[  382.973077]  ? timer_fixup_init+0x70/0x70
[  382.977222]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  382.982230]  ? zap_class+0x640/0x640
[  382.985938]  ? enqueue_hrtimer+0x1a5/0x560
[  382.990166]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  382.995357]  ? find_held_lock+0x36/0x1c0
[  382.999418]  ? zap_class+0x640/0x640
[  383.003128]  ? pvclock_read_flags+0x160/0x160
[  383.007617]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.013153]  ? check_preemption_disabled+0x48/0x280
[  383.018169]  ? __lock_is_held+0xb5/0x140
[  383.022226]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.027758]  ? check_preemption_disabled+0x48/0x280
[  383.032773]  run_timer_softirq+0x52/0xb0
[  383.036828]  ? rcu_read_lock_sched_held+0x14f/0x180
[  383.041835]  __do_softirq+0x308/0xb7e
[  383.045630]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  383.050116]  ? lock_downgrade+0x900/0x900
[  383.054260]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  383.059376]  ? pvclock_read_flags+0x160/0x160
[  383.063865]  ? lapic_next_event+0x5a/0x90
[  383.068008]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.073543]  ? kvm_clock_read+0x18/0x30
[  383.077509]  ? kvm_sched_clock_read+0x9/0x20
[  383.081912]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.087446]  ? check_preemption_disabled+0x48/0x280
[  383.092496]  irq_exit+0x17f/0x1c0
[  383.095946]  smp_apic_timer_interrupt+0x1cb/0x760
[  383.100784]  ? smp_reschedule_interrupt+0x109/0x650
[  383.105798]  ? smp_call_function_single_interrupt+0x650/0x650
[  383.111676]  ? interrupt_entry+0xb5/0xc0
[  383.115735]  ? trace_hardirqs_off_caller+0xbb/0x310
[  383.120749]  ? trace_hardirqs_off_caller+0xbb/0x310
[  383.125758]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  383.130605]  ? trace_hardirqs_on_caller+0x310/0x310
[  383.135620]  ? trace_hardirqs_on_caller+0x310/0x310
[  383.140643]  ? task_prio+0x50/0x50
[  383.144179]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.149709]  ? check_preemption_disabled+0x48/0x280
[  383.154724]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  383.159566]  apic_timer_interrupt+0xf/0x20
[  383.163786]  </IRQ>
[  383.166018] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  383.170939] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  383.189830] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  383.197532] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  383.204794] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  383.212053] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  383.219315] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  383.226577] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  383.233873]  skb_clone+0x1bb/0x500
[  383.237412]  ? finish_task_switch+0x2f4/0x910
[  383.241900]  ? skb_split+0x11e0/0x11e0
[  383.245783]  ? preempt_notifier_register+0x200/0x200
[  383.250882]  ? __switch_to_asm+0x34/0x70
[  383.254934]  ? __switch_to_asm+0x34/0x70
[  383.258986]  ? __switch_to_asm+0x40/0x70
[  383.263035]  ? __switch_to_asm+0x34/0x70
[  383.267088]  ? __switch_to_asm+0x40/0x70
[  383.271140]  ? __switch_to_asm+0x34/0x70
[  383.275192]  ? __switch_to_asm+0x40/0x70
[  383.279246]  ? __switch_to_asm+0x34/0x70
[  383.283297]  ? __switch_to_asm+0x34/0x70
[  383.287347]  ? __switch_to_asm+0x40/0x70
[  383.291398]  ? __switch_to_asm+0x34/0x70
[  383.295468]  bpf_clone_redirect+0xb9/0x490
[  383.299711]  ? __schedule+0x8d7/0x21d0
[  383.303598]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  383.308524]  ? __sched_text_start+0x8/0x8
[  383.312667]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  383.317239]  ? retint_kernel+0x2d/0x2d
[  383.321122]  ? trace_hardirqs_on_caller+0xc0/0x310
[  383.326050]  ? find_held_lock+0x36/0x1c0
[  383.330114]  ? lock_acquire+0x1ed/0x520
[  383.334084]  ? bpf_test_run+0x3cb/0x780
[  383.338055]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.343585]  ? check_preemption_disabled+0x48/0x280
[  383.348598]  ? kasan_check_read+0x11/0x20
[  383.352737]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  383.358004]  ? rcu_softirq_qs+0x20/0x20
[  383.361973]  ? preempt_schedule+0x4d/0x60
[  383.366114]  ? ___preempt_schedule+0x16/0x18
[  383.370522]  ? bpf_test_run+0x25d/0x780
[  383.374499]  ? netlink_diag_dump+0x2a0/0x2a0
[  383.378906]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  383.384438]  ? bpf_test_init.isra.10+0x70/0x100
[  383.389115]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  383.393875]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  383.398709]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  383.404242]  ? fput+0x130/0x1a0
[  383.407516]  ? __bpf_prog_get+0x9b/0x290
[  383.411573]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  383.416405]  ? bpf_prog_test_run+0x130/0x1a0
[  383.420808]  ? __x64_sys_bpf+0x3d8/0x520
[  383.424860]  ? bpf_prog_get+0x20/0x20
[  383.428673]  ? do_syscall_64+0x1b9/0x820
[  383.432730]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  383.438091]  ? syscall_return_slowpath+0x5e0/0x5e0
[  383.443021]  ? trace_hardirqs_on_caller+0x310/0x310
[  383.448031]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  383.453040]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  383.459787]  ? __switch_to_asm+0x40/0x70
[  383.463837]  ? __switch_to_asm+0x34/0x70
[  383.467894]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  383.472741]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  383.478115] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  383.478180] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  383.484960] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  383.484964] Call Trace:
[  383.484981]  dump_stack+0x244/0x39d
[  383.485000]  ? dump_stack_print_info.cold.1+0x20/0x20
[  383.491542] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  383.500829]  warn_alloc.cold.116+0xb7/0x1bd
[  383.503378] syz-executor4 cpuset=syz4 mems_allowed=0
[  383.506996]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  383.536860]  ? lock_downgrade+0x900/0x900
[  383.541009]  ? trace_hardirqs_off+0xb8/0x310
[  383.545417]  ? trace_hardirqs_off+0xb8/0x310
[  383.549835]  __alloc_pages_slowpath+0x26e8/0x2e10
[  383.554701]  ? warn_alloc+0x120/0x120
[  383.558499]  ? print_usage_bug+0xc0/0xc0
[  383.562556]  ? warn_alloc+0x120/0x120
[  383.566357]  ? warn_alloc+0x120/0x120
[  383.570153]  ? print_usage_bug+0xc0/0xc0
[  383.574205]  ? print_usage_bug+0xc0/0xc0
[  383.578265]  ? print_usage_bug+0xc0/0xc0
[  383.582322]  ? __lock_acquire+0x62f/0x4c20
[  383.586558]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  383.592091]  ? should_fail+0x22d/0xd01
[  383.595977]  ? __lock_acquire+0x62f/0x4c20
[  383.600206]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  383.605301]  ? __lock_acquire+0x62f/0x4c20
[  383.609531]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  383.614624]  ? __lock_acquire+0x62f/0x4c20
[  383.618849]  ? should_fail+0x22d/0xd01
[  383.622746]  ? mark_held_locks+0x130/0x130
[  383.626980]  ? mark_held_locks+0x130/0x130
[  383.631206]  ? zap_class+0x640/0x640
[  383.634919]  ? zap_class+0x640/0x640
[  383.638631]  ? print_usage_bug+0xc0/0xc0
[  383.642686]  ? mark_held_locks+0x130/0x130
[  383.646926]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.652462]  ? check_preemption_disabled+0x48/0x280
[  383.657487]  ? __lock_is_held+0xb5/0x140
[  383.661546]  __alloc_pages_nodemask+0xa80/0xde0
[  383.666210]  ? zap_class+0x640/0x640
[  383.669925]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  383.674952]  ? find_held_lock+0x36/0x1c0
[  383.679015]  ? ____cache_alloc_node+0x1c7/0x1e0
[  383.683681]  ? lock_downgrade+0x900/0x900
[  383.687832]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.693368]  cache_grow_begin+0xa5/0x8c0
[  383.697430]  ? do_raw_spin_unlock+0xa7/0x330
[  383.701840]  fallback_alloc+0x204/0x2e0
[  383.705817]  ____cache_alloc_node+0x1c7/0x1e0
[  383.710311]  kmem_cache_alloc_node+0xe3/0x730
[  383.714805]  ? ipv6_get_ifaddr+0x42e/0x620
[  383.719043]  __alloc_skb+0x119/0x770
[  383.722748]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  383.728026]  ? netdev_alloc_frag+0x1f0/0x1f0
[  383.732436]  ? lock_downgrade+0x900/0x900
[  383.736583]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.742112]  ? refcount_sub_and_test_checked+0x203/0x310
[  383.747559]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  383.753007]  ? addrconf_rs_timer+0x690/0x690
[  383.757431]  ndisc_alloc_skb+0x144/0x340
[  383.761491]  ndisc_send_rs+0x331/0x6e0
[  383.765377]  addrconf_rs_timer+0x314/0x690
[  383.769611]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.773853]  call_timer_fn+0x272/0x920
[  383.777732]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.781963]  ? process_timeout+0x40/0x40
[  383.786024]  ? __run_timers+0x7da/0xc70
[  383.789997]  ? _raw_spin_unlock_irq+0x27/0x80
[  383.794485]  ? _raw_spin_unlock_irq+0x27/0x80
[  383.798976]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.803205]  ? lockdep_hardirqs_on+0x296/0x5b0
[  383.807784]  ? trace_hardirqs_on+0xbd/0x310
[  383.812118]  ? kasan_check_read+0x11/0x20
[  383.816262]  ? __run_timers+0x7da/0xc70
[  383.820230]  ? trace_hardirqs_off_caller+0x310/0x310
[  383.825336]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.829564]  __run_timers+0x7e5/0xc70
[  383.833367]  ? timer_fixup_init+0x70/0x70
[  383.837517]  ? _raw_spin_unlock_irq+0x27/0x80
[  383.842002]  ? _raw_spin_unlock_irq+0x27/0x80
[  383.846491]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  383.851067]  ? trace_hardirqs_on+0xbd/0x310
[  383.855382]  ? kasan_check_read+0x11/0x20
[  383.859535]  ? finish_task_switch+0x1f4/0x910
[  383.864025]  ? trace_hardirqs_off_caller+0x310/0x310
[  383.869122]  ? compat_start_thread+0x80/0x80
[  383.873543]  ? pvclock_read_flags+0x160/0x160
[  383.878029]  ? __switch_to_asm+0x34/0x70
[  383.882086]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.887624]  ? check_preemption_disabled+0x48/0x280
[  383.892647]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  383.898184]  ? rcu_pm_notify+0xc0/0xc0
[  383.902067]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.907598]  ? check_preemption_disabled+0x48/0x280
[  383.912614]  run_timer_softirq+0x52/0xb0
[  383.916672]  ? rcu_read_lock_sched_held+0x14f/0x180
[  383.921687]  __do_softirq+0x308/0xb7e
[  383.925492]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  383.930589]  ? trace_hardirqs_off+0xb8/0x310
[  383.934989]  ? rcu_irq_enter+0x18c/0x310
[  383.939050]  ? schedule+0x108/0x460
[  383.942673]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  383.947435]  ? trace_hardirqs_off+0xb8/0x310
[  383.951838]  ? smpboot_thread_fn+0x68b/0xa00
[  383.956240]  ? trace_hardirqs_on+0x310/0x310
[  383.960647]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  383.966182]  ? check_preemption_disabled+0x48/0x280
[  383.971205]  ? takeover_tasklets+0xa90/0xa90
[  383.975890]  run_ksoftirqd+0x5e/0x100
[  383.979697]  smpboot_thread_fn+0x68b/0xa00
[  383.983937]  ? sort_range+0x30/0x30
[  383.987564]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  383.992662]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  383.998196]  ? __kthread_parkme+0xfb/0x1a0
[  384.002434]  ? sort_range+0x30/0x30
[  384.006059]  kthread+0x35a/0x440
[  384.009430]  ? kthread_stop+0x900/0x900
[  384.013409]  ret_from_fork+0x3a/0x50
[  384.017129] warn_alloc_show_mem: 1 callbacks suppressed
[  384.017139] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  384.017141] Mem-Info:
[  384.017171] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  384.017171]  active_file:16 inactive_file:14 isolated_file:0
[  384.017171]  unevictable:0 dirty:0 writeback:0 unstable:0
[  384.017171]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  384.017171]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  384.017171]  free:13767 free_pcp:490 free_cma:0
[  384.022498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  384.022505] Call Trace:
[  384.029777] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  384.032164]  <IRQ>
[  384.065191] 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
[  384.074539]  dump_stack+0x244/0x39d
[  384.077091] lowmem_reserve[]: 0 2818 6321 6321
[  384.104838]  ? dump_stack_print_info.cold.1+0x20/0x20
[  384.106957] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  384.133066]  warn_alloc.cold.116+0xb7/0x1bd
[  384.136647] lowmem_reserve[]: 0 0 3503 3503
[  384.141225]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  384.146921] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  384.174456]  ? lock_downgrade+0x900/0x900
[  384.178726] lowmem_reserve[]: 0 0 0 0
[  384.183043]  ? trace_hardirqs_off+0xb8/0x310
[  384.187849] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  384.217001]  ? trace_hardirqs_off+0xb8/0x310
[  384.221116] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  384.224913]  __alloc_pages_slowpath+0x26e8/0x2e10
[  384.229291] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  384.242824]  ? warn_alloc+0x120/0x120
[  384.247187] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  384.262601]  ? print_usage_bug+0xc0/0xc0
[  384.267416] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  384.282480]  ? warn_alloc+0x120/0x120
[  384.286250] 1997 total pagecache pages
[  384.295070]  ? warn_alloc+0x120/0x120
[  384.299111] 0 pages in swap cache
[  384.307664]  ? print_usage_bug+0xc0/0xc0
[  384.311439] Swap cache stats: add 0, delete 0, find 0/0
[  384.315304]  ? kvm_clock_read+0x18/0x30
[  384.315320]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  384.319094] Free swap  = 0kB
[  384.322545]  ? print_usage_bug+0xc0/0xc0
[  384.326567] Total swap = 0kB
[  384.326574] 1965979 pages RAM
[  384.331927]  ? __lock_acquire+0x62f/0x4c20
[  384.335869] 0 pages HighMem/MovableOnly
[  384.335876] 342853 pages reserved
[  384.340880]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  384.343868] 0 pages cma reserved
[  384.347916]  ? should_fail+0x22d/0xd01
[  384.350968] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  384.353990]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  384.354007]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  384.358267] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  384.362174]  ? __lock_acquire+0x62f/0x4c20
[  384.365600] ksoftirqd/1 cpuset=/ mems_allowed=0
[  384.371125]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  384.419493]  ? __lock_acquire+0x62f/0x4c20
[  384.423723]  ? should_fail+0x22d/0xd01
[  384.427604]  ? rcu_irq_exit+0x1a2/0x390
[  384.431583]  ? mark_held_locks+0x130/0x130
[  384.435820]  ? mark_held_locks+0x130/0x130
[  384.440052]  ? mark_held_locks+0xc7/0x130
[  384.444200]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  384.449211]  ? zap_class+0x640/0x640
[  384.452918]  ? print_usage_bug+0xc0/0xc0
[  384.456976]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.462510]  ? check_preemption_disabled+0x48/0x280
[  384.467531]  ? __lock_is_held+0xb5/0x140
[  384.471593]  __alloc_pages_nodemask+0xa80/0xde0
[  384.476258]  ? zap_class+0x640/0x640
[  384.479969]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  384.484988]  ? find_held_lock+0x36/0x1c0
[  384.489067]  ? ____cache_alloc_node+0x1c7/0x1e0
[  384.493731]  ? lock_downgrade+0x900/0x900
[  384.497883]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.503421]  cache_grow_begin+0xa5/0x8c0
[  384.507475]  ? do_raw_spin_unlock+0xa7/0x330
[  384.511907]  fallback_alloc+0x204/0x2e0
[  384.515881]  ____cache_alloc_node+0x1c7/0x1e0
[  384.520402]  kmem_cache_alloc_node+0xe3/0x730
[  384.524890]  ? ipv6_get_ifaddr+0x42e/0x620
[  384.529135]  __alloc_skb+0x119/0x770
[  384.532846]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  384.538132]  ? netdev_alloc_frag+0x1f0/0x1f0
[  384.542532]  ? lock_downgrade+0x900/0x900
[  384.546678]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.552209]  ? refcount_sub_and_test_checked+0x203/0x310
[  384.557659]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  384.563107]  ? addrconf_rs_timer+0x690/0x690
[  384.567521]  ndisc_alloc_skb+0x144/0x340
[  384.571579]  ndisc_send_rs+0x331/0x6e0
[  384.575490]  addrconf_rs_timer+0x314/0x690
[  384.579733]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  384.583970]  call_timer_fn+0x272/0x920
[  384.587854]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  384.592082]  ? process_timeout+0x40/0x40
[  384.596145]  ? __run_timers+0x7da/0xc70
[  384.600115]  ? _raw_spin_unlock_irq+0x27/0x80
[  384.604605]  ? _raw_spin_unlock_irq+0x27/0x80
[  384.609095]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  384.613322]  ? lockdep_hardirqs_on+0x296/0x5b0
[  384.617908]  ? trace_hardirqs_on+0xbd/0x310
[  384.622220]  ? kasan_check_read+0x11/0x20
[  384.626372]  ? __run_timers+0x7da/0xc70
[  384.630343]  ? trace_hardirqs_off_caller+0x310/0x310
[  384.635454]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  384.639691]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  384.643919]  __run_timers+0x7e5/0xc70
[  384.647724]  ? timer_fixup_init+0x70/0x70
[  384.651884]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  384.656899]  ? zap_class+0x640/0x640
[  384.660611]  ? enqueue_hrtimer+0x1a5/0x560
[  384.664844]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  384.670036]  ? find_held_lock+0x36/0x1c0
[  384.674098]  ? zap_class+0x640/0x640
[  384.677811]  ? pvclock_read_flags+0x160/0x160
[  384.682301]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.687833]  ? check_preemption_disabled+0x48/0x280
[  384.692855]  ? __lock_is_held+0xb5/0x140
[  384.696913]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.702450]  ? check_preemption_disabled+0x48/0x280
[  384.707468]  run_timer_softirq+0x52/0xb0
[  384.711533]  ? rcu_read_lock_sched_held+0x14f/0x180
[  384.716546]  __do_softirq+0x308/0xb7e
[  384.720352]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  384.724844]  ? lock_downgrade+0x900/0x900
[  384.728998]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  384.734105]  ? pvclock_read_flags+0x160/0x160
[  384.738596]  ? lapic_next_event+0x5a/0x90
[  384.742743]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.748297]  ? kvm_clock_read+0x18/0x30
[  384.752268]  ? kvm_sched_clock_read+0x9/0x20
[  384.756671]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.762203]  ? check_preemption_disabled+0x48/0x280
[  384.767225]  irq_exit+0x17f/0x1c0
[  384.770676]  smp_apic_timer_interrupt+0x1cb/0x760
[  384.775515]  ? smp_reschedule_interrupt+0x109/0x650
[  384.780524]  ? smp_call_function_single_interrupt+0x650/0x650
[  384.786400]  ? interrupt_entry+0xb5/0xc0
[  384.790462]  ? trace_hardirqs_off_caller+0xbb/0x310
[  384.795471]  ? trace_hardirqs_off_caller+0xbb/0x310
[  384.800481]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  384.805327]  ? trace_hardirqs_on_caller+0x310/0x310
[  384.810357]  ? trace_hardirqs_on_caller+0x310/0x310
[  384.815374]  ? task_prio+0x50/0x50
[  384.818909]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.824439]  ? check_preemption_disabled+0x48/0x280
[  384.829453]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  384.834300]  apic_timer_interrupt+0xf/0x20
[  384.838533]  </IRQ>
[  384.840768] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  384.845691] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  384.864583] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  384.872281] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  384.879542] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  384.886802] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  384.894077] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  384.901352] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  384.908650]  skb_clone+0x1bb/0x500
[  384.912185]  ? finish_task_switch+0x2f4/0x910
[  384.916679]  ? skb_split+0x11e0/0x11e0
[  384.920565]  ? preempt_notifier_register+0x200/0x200
[  384.925663]  ? __switch_to_asm+0x34/0x70
[  384.929717]  ? __switch_to_asm+0x34/0x70
[  384.933780]  ? __switch_to_asm+0x40/0x70
[  384.937834]  ? __switch_to_asm+0x34/0x70
[  384.941886]  ? __switch_to_asm+0x40/0x70
[  384.945939]  ? __switch_to_asm+0x34/0x70
[  384.949989]  ? __switch_to_asm+0x40/0x70
[  384.954039]  ? __switch_to_asm+0x34/0x70
[  384.958094]  ? __switch_to_asm+0x34/0x70
[  384.962144]  ? __switch_to_asm+0x40/0x70
[  384.966201]  ? __switch_to_asm+0x34/0x70
[  384.970268]  bpf_clone_redirect+0xb9/0x490
[  384.974500]  ? __schedule+0x8d7/0x21d0
[  384.978387]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  384.983311]  ? __sched_text_start+0x8/0x8
[  384.987469]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  384.992044]  ? retint_kernel+0x2d/0x2d
[  384.995924]  ? trace_hardirqs_on_caller+0xc0/0x310
[  385.000851]  ? find_held_lock+0x36/0x1c0
[  385.004913]  ? lock_acquire+0x1ed/0x520
[  385.008880]  ? bpf_test_run+0x3cb/0x780
[  385.012846]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.018381]  ? check_preemption_disabled+0x48/0x280
[  385.023410]  ? kasan_check_read+0x11/0x20
[  385.027553]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  385.032826]  ? rcu_softirq_qs+0x20/0x20
[  385.036796]  ? preempt_schedule+0x4d/0x60
[  385.040942]  ? ___preempt_schedule+0x16/0x18
[  385.045361]  ? bpf_test_run+0x25d/0x780
[  385.049351]  ? netlink_diag_dump+0x2a0/0x2a0
[  385.053755]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  385.059285]  ? bpf_test_init.isra.10+0x70/0x100
[  385.063960]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  385.068718]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  385.073556]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  385.079088]  ? fput+0x130/0x1a0
[  385.082366]  ? __bpf_prog_get+0x9b/0x290
[  385.086424]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  385.091264]  ? bpf_prog_test_run+0x130/0x1a0
[  385.095669]  ? __x64_sys_bpf+0x3d8/0x520
[  385.099725]  ? bpf_prog_get+0x20/0x20
[  385.103537]  ? do_syscall_64+0x1b9/0x820
[  385.107594]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  385.112958]  ? syscall_return_slowpath+0x5e0/0x5e0
[  385.117883]  ? trace_hardirqs_on_caller+0x310/0x310
[  385.122897]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  385.127907]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  385.134564]  ? __switch_to_asm+0x40/0x70
[  385.138614]  ? __switch_to_asm+0x34/0x70
[  385.142672]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  385.147514]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  385.152890] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  385.152952] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  385.159730] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  385.159734] Call Trace:
[  385.159752]  dump_stack+0x244/0x39d
[  385.159771]  ? dump_stack_print_info.cold.1+0x20/0x20
[  385.166284] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  385.175593]  warn_alloc.cold.116+0xb7/0x1bd
[  385.178142] syz-executor4 cpuset=syz4 mems_allowed=0
[  385.181755]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  385.211602]  ? lock_downgrade+0x900/0x900
[  385.215751]  ? trace_hardirqs_off+0xb8/0x310
[  385.220160]  ? trace_hardirqs_off+0xb8/0x310
[  385.224569]  __alloc_pages_slowpath+0x26e8/0x2e10
[  385.229431]  ? warn_alloc+0x120/0x120
[  385.233232]  ? print_usage_bug+0xc0/0xc0
[  385.237288]  ? warn_alloc+0x120/0x120
[  385.241094]  ? warn_alloc+0x120/0x120
[  385.244890]  ? print_usage_bug+0xc0/0xc0
[  385.248949]  ? print_usage_bug+0xc0/0xc0
[  385.253004]  ? __lock_acquire+0x62f/0x4c20
[  385.257239]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  385.262772]  ? should_fail+0x22d/0xd01
[  385.266656]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  385.271753]  ? __lock_acquire+0x62f/0x4c20
[  385.275984]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  385.281078]  ? __lock_acquire+0x62f/0x4c20
[  385.285310]  ? should_fail+0x22d/0xd01
[  385.289196]  ? find_held_lock+0x36/0x1c0
[  385.293259]  ? mark_held_locks+0x130/0x130
[  385.297497]  ? mark_held_locks+0x130/0x130
[  385.301724]  ? zap_class+0x640/0x640
[  385.305433]  ? zap_class+0x640/0x640
[  385.309142]  ? print_usage_bug+0xc0/0xc0
[  385.313194]  ? do_raw_spin_unlock+0xa7/0x330
[  385.317596]  ? zap_class+0x640/0x640
[  385.321313]  ? print_usage_bug+0xc0/0xc0
[  385.325369]  ? wq_watchdog_touch+0x9c/0xfe
[  385.329601]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.335137]  ? check_preemption_disabled+0x48/0x280
[  385.340158]  ? __lock_is_held+0xb5/0x140
[  385.344222]  __alloc_pages_nodemask+0xa80/0xde0
[  385.348885]  ? zap_class+0x640/0x640
[  385.352597]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  385.357620]  ? find_held_lock+0x36/0x1c0
[  385.361690]  ? ____cache_alloc_node+0x1c7/0x1e0
[  385.366360]  ? lock_downgrade+0x900/0x900
[  385.370509]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.376047]  cache_grow_begin+0xa5/0x8c0
[  385.380102]  ? do_raw_spin_unlock+0xa7/0x330
[  385.384515]  fallback_alloc+0x204/0x2e0
[  385.388489]  ____cache_alloc_node+0x1c7/0x1e0
[  385.392984]  kmem_cache_alloc_node+0xe3/0x730
[  385.397474]  ? ipv6_get_ifaddr+0x42e/0x620
[  385.401714]  __alloc_skb+0x119/0x770
[  385.405419]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  385.410692]  ? netdev_alloc_frag+0x1f0/0x1f0
[  385.415098]  ? lock_downgrade+0x900/0x900
[  385.419333]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.424867]  ? refcount_sub_and_test_checked+0x203/0x310
[  385.430321]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  385.435768]  ? addrconf_rs_timer+0x690/0x690
[  385.440179]  ndisc_alloc_skb+0x144/0x340
[  385.444239]  ndisc_send_rs+0x331/0x6e0
[  385.448126]  addrconf_rs_timer+0x314/0x690
[  385.452362]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.456600]  call_timer_fn+0x272/0x920
[  385.460483]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.464710]  ? process_timeout+0x40/0x40
[  385.468776]  ? __run_timers+0x7da/0xc70
[  385.472749]  ? _raw_spin_unlock_irq+0x27/0x80
[  385.477236]  ? _raw_spin_unlock_irq+0x27/0x80
[  385.481721]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.485949]  ? lockdep_hardirqs_on+0x296/0x5b0
[  385.490530]  ? trace_hardirqs_on+0xbd/0x310
[  385.494843]  ? kasan_check_read+0x11/0x20
[  385.498980]  ? __run_timers+0x7da/0xc70
[  385.502949]  ? trace_hardirqs_off_caller+0x310/0x310
[  385.508048]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.512289]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.516529]  __run_timers+0x7e5/0xc70
[  385.520343]  ? timer_fixup_init+0x70/0x70
[  385.524483]  ? _raw_spin_unlock_irq+0x27/0x80
[  385.528972]  ? _raw_spin_unlock_irq+0x27/0x80
[  385.533470]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  385.538047]  ? trace_hardirqs_on+0xbd/0x310
[  385.542360]  ? kasan_check_read+0x11/0x20
[  385.546501]  ? finish_task_switch+0x1f4/0x910
[  385.550991]  ? trace_hardirqs_off_caller+0x310/0x310
[  385.556086]  ? compat_start_thread+0x80/0x80
[  385.560511]  ? pvclock_read_flags+0x160/0x160
[  385.564994]  ? __switch_to_asm+0x34/0x70
[  385.569052]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.574582]  ? check_preemption_disabled+0x48/0x280
[  385.579600]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  385.585131]  ? rcu_pm_notify+0xc0/0xc0
[  385.589012]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.594544]  ? check_preemption_disabled+0x48/0x280
[  385.599562]  run_timer_softirq+0x52/0xb0
[  385.603619]  ? rcu_read_lock_sched_held+0x14f/0x180
[  385.608632]  __do_softirq+0x308/0xb7e
[  385.612460]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  385.617559]  ? trace_hardirqs_off+0xb8/0x310
[  385.621958]  ? rcu_irq_enter+0x18c/0x310
[  385.626020]  ? schedule+0x108/0x460
[  385.629642]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  385.634402]  ? trace_hardirqs_off+0xb8/0x310
[  385.638811]  ? smpboot_thread_fn+0x68b/0xa00
[  385.643216]  ? trace_hardirqs_on+0x310/0x310
[  385.647625]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  385.653167]  ? check_preemption_disabled+0x48/0x280
[  385.658180]  ? takeover_tasklets+0xa90/0xa90
[  385.662585]  run_ksoftirqd+0x5e/0x100
[  385.666379]  smpboot_thread_fn+0x68b/0xa00
[  385.670720]  ? sort_range+0x30/0x30
[  385.674359]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  385.679465]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  385.685063]  ? __kthread_parkme+0xfb/0x1a0
[  385.689305]  ? sort_range+0x30/0x30
[  385.692928]  kthread+0x35a/0x440
[  385.696298]  ? kthread_stop+0x900/0x900
[  385.700276]  ret_from_fork+0x3a/0x50
[  385.703996] warn_alloc_show_mem: 1 callbacks suppressed
[  385.704005] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  385.704007] Mem-Info:
[  385.704036] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  385.704036]  active_file:16 inactive_file:14 isolated_file:0
[  385.704036]  unevictable:0 dirty:0 writeback:0 unstable:0
[  385.704036]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  385.704036]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  385.704036]  free:13767 free_pcp:490 free_cma:0
[  385.709369] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  385.716639] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  385.719029] Call Trace:
[  385.752056] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  385.761396]  <IRQ>
[  385.789041] lowmem_reserve[]: 0 2818 6321 6321
[  385.791626]  dump_stack+0x244/0x39d
[  385.817703] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  385.819865]  ? dump_stack_print_info.cold.1+0x20/0x20
[  385.824414] lowmem_reserve[]: 0 0 3503 3503
[  385.828038]  warn_alloc.cold.116+0xb7/0x1bd
[  385.855503] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  385.860681]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  385.864970] lowmem_reserve[]: 0 0 0 0
[  385.869294]  ? lock_downgrade+0x900/0x900
[  385.898411] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  385.903248]  ? trace_hardirqs_off+0xb8/0x310
[  385.907021] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  385.911161]  ? trace_hardirqs_off+0xb8/0x310
[  385.924653] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  385.929057]  __alloc_pages_slowpath+0x26e8/0x2e10
[  385.944465] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  385.948955]  ? warn_alloc+0x120/0x120
[  385.963992] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  385.968815]  ? print_usage_bug+0xc0/0xc0
[  385.977936] 1997 total pagecache pages
[  385.981733]  ? warn_alloc+0x120/0x120
[  385.990279] 0 pages in swap cache
[  385.994328]  ? warn_alloc+0x120/0x120
[  385.998192] Swap cache stats: add 0, delete 0, find 0/0
[  385.998200] Free swap  = 0kB
[  386.001988]  ? print_usage_bug+0xc0/0xc0
[  386.005410] Total swap = 0kB
[  386.009199]  ? print_usage_bug+0xc0/0xc0
[  386.014532] 1965979 pages RAM
[  386.017538]  ? __lock_acquire+0x62f/0x4c20
[  386.021563] 0 pages HighMem/MovableOnly
[  386.021570] 342853 pages reserved
[  386.024578]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.028608] 0 pages cma reserved
[  386.031789]  ? should_fail+0x22d/0xd01
[  386.036055] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  386.039963]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  386.039976]  ? __lock_acquire+0x62f/0x4c20
[  386.039994]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  386.043469] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  386.048938]  ? __lock_acquire+0x62f/0x4c20
[  386.052279] ksoftirqd/1 cpuset=/ mems_allowed=0
[  386.056148]  ? should_fail+0x22d/0xd01
[  386.056163]  ? find_held_lock+0x36/0x1c0
[  386.104084]  ? mark_held_locks+0x130/0x130
[  386.108325]  ? mark_held_locks+0x130/0x130
[  386.112551]  ? zap_class+0x640/0x640
[  386.116272]  ? zap_class+0x640/0x640
[  386.119980]  ? print_usage_bug+0xc0/0xc0
[  386.124031]  ? do_raw_spin_unlock+0xa7/0x330
[  386.128437]  ? zap_class+0x640/0x640
[  386.132144]  ? print_usage_bug+0xc0/0xc0
[  386.136199]  ? wq_watchdog_touch+0x9c/0xfe
[  386.140436]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.146521]  ? check_preemption_disabled+0x48/0x280
[  386.151543]  ? __lock_is_held+0xb5/0x140
[  386.155604]  __alloc_pages_nodemask+0xa80/0xde0
[  386.160270]  ? zap_class+0x640/0x640
[  386.163985]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  386.169009]  ? find_held_lock+0x36/0x1c0
[  386.173073]  ? ____cache_alloc_node+0x1c7/0x1e0
[  386.177737]  ? lock_downgrade+0x900/0x900
[  386.181890]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.187423]  cache_grow_begin+0xa5/0x8c0
[  386.191479]  ? do_raw_spin_unlock+0xa7/0x330
[  386.195891]  fallback_alloc+0x204/0x2e0
[  386.199870]  ____cache_alloc_node+0x1c7/0x1e0
[  386.204362]  kmem_cache_alloc_node+0xe3/0x730
[  386.208853]  ? ipv6_get_ifaddr+0x42e/0x620
[  386.213098]  __alloc_skb+0x119/0x770
[  386.216808]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  386.222086]  ? netdev_alloc_frag+0x1f0/0x1f0
[  386.226491]  ? lock_downgrade+0x900/0x900
[  386.230643]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.236187]  ? refcount_sub_and_test_checked+0x203/0x310
[  386.241634]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  386.247077]  ? addrconf_rs_timer+0x690/0x690
[  386.251492]  ndisc_alloc_skb+0x144/0x340
[  386.255552]  ndisc_send_rs+0x331/0x6e0
[  386.259438]  addrconf_rs_timer+0x314/0x690
[  386.263669]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  386.267912]  call_timer_fn+0x272/0x920
[  386.271795]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  386.276025]  ? process_timeout+0x40/0x40
[  386.280089]  ? __run_timers+0x7da/0xc70
[  386.284060]  ? _raw_spin_unlock_irq+0x27/0x80
[  386.288549]  ? _raw_spin_unlock_irq+0x27/0x80
[  386.293038]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  386.297272]  ? lockdep_hardirqs_on+0x296/0x5b0
[  386.301847]  ? trace_hardirqs_on+0xbd/0x310
[  386.306165]  ? kasan_check_read+0x11/0x20
[  386.310306]  ? __run_timers+0x7da/0xc70
[  386.314286]  ? trace_hardirqs_off_caller+0x310/0x310
[  386.319413]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  386.323647]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  386.327874]  __run_timers+0x7e5/0xc70
[  386.331768]  ? timer_fixup_init+0x70/0x70
[  386.335913]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  386.340922]  ? zap_class+0x640/0x640
[  386.344631]  ? enqueue_hrtimer+0x1a5/0x560
[  386.348861]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  386.354049]  ? find_held_lock+0x36/0x1c0
[  386.358113]  ? zap_class+0x640/0x640
[  386.361826]  ? pvclock_read_flags+0x160/0x160
[  386.366321]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.371852]  ? check_preemption_disabled+0x48/0x280
[  386.376870]  ? __lock_is_held+0xb5/0x140
[  386.380930]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.386461]  ? check_preemption_disabled+0x48/0x280
[  386.391478]  run_timer_softirq+0x52/0xb0
[  386.395535]  ? rcu_read_lock_sched_held+0x14f/0x180
[  386.400548]  __do_softirq+0x308/0xb7e
[  386.404345]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  386.408834]  ? lock_downgrade+0x900/0x900
[  386.412979]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  386.418082]  ? pvclock_read_flags+0x160/0x160
[  386.422578]  ? lapic_next_event+0x5a/0x90
[  386.426722]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.432265]  ? kvm_clock_read+0x18/0x30
[  386.436249]  ? kvm_sched_clock_read+0x9/0x20
[  386.440652]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.446185]  ? check_preemption_disabled+0x48/0x280
[  386.451244]  irq_exit+0x17f/0x1c0
[  386.454706]  smp_apic_timer_interrupt+0x1cb/0x760
[  386.459541]  ? smp_reschedule_interrupt+0x109/0x650
[  386.464562]  ? smp_call_function_single_interrupt+0x650/0x650
[  386.470442]  ? interrupt_entry+0xb5/0xc0
[  386.474500]  ? trace_hardirqs_off_caller+0xbb/0x310
[  386.479511]  ? trace_hardirqs_off_caller+0xbb/0x310
[  386.484520]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  386.489356]  ? trace_hardirqs_on_caller+0x310/0x310
[  386.494362]  ? trace_hardirqs_on_caller+0x310/0x310
[  386.499377]  ? task_prio+0x50/0x50
[  386.502915]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.508445]  ? check_preemption_disabled+0x48/0x280
[  386.513462]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  386.518305]  apic_timer_interrupt+0xf/0x20
[  386.522527]  </IRQ>
[  386.524774] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  386.529695] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  386.548590] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  386.556289] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  386.563554] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  386.570818] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  386.578083] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  386.585357] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  386.592828]  skb_clone+0x1bb/0x500
[  386.596361]  ? finish_task_switch+0x2f4/0x910
[  386.600852]  ? skb_split+0x11e0/0x11e0
[  386.604740]  ? preempt_notifier_register+0x200/0x200
[  386.609838]  ? __switch_to_asm+0x34/0x70
[  386.613889]  ? __switch_to_asm+0x34/0x70
[  386.617939]  ? __switch_to_asm+0x40/0x70
[  386.621991]  ? __switch_to_asm+0x34/0x70
[  386.626045]  ? __switch_to_asm+0x40/0x70
[  386.630096]  ? __switch_to_asm+0x34/0x70
[  386.634148]  ? __switch_to_asm+0x40/0x70
[  386.638206]  ? __switch_to_asm+0x34/0x70
[  386.642273]  ? __switch_to_asm+0x34/0x70
[  386.646325]  ? __switch_to_asm+0x40/0x70
[  386.650379]  ? __switch_to_asm+0x34/0x70
[  386.654444]  bpf_clone_redirect+0xb9/0x490
[  386.658675]  ? __schedule+0x8d7/0x21d0
[  386.662560]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  386.667487]  ? __sched_text_start+0x8/0x8
[  386.671630]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  386.676215]  ? retint_kernel+0x2d/0x2d
[  386.680100]  ? trace_hardirqs_on_caller+0xc0/0x310
[  386.685028]  ? find_held_lock+0x36/0x1c0
[  386.689091]  ? lock_acquire+0x1ed/0x520
[  386.693057]  ? bpf_test_run+0x3cb/0x780
[  386.697025]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.702555]  ? check_preemption_disabled+0x48/0x280
[  386.707571]  ? kasan_check_read+0x11/0x20
[  386.711710]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  386.716979]  ? rcu_softirq_qs+0x20/0x20
[  386.720950]  ? preempt_schedule+0x4d/0x60
[  386.725095]  ? ___preempt_schedule+0x16/0x18
[  386.729505]  ? bpf_test_run+0x25d/0x780
[  386.733481]  ? netlink_diag_dump+0x2a0/0x2a0
[  386.737889]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.743419]  ? bpf_test_init.isra.10+0x70/0x100
[  386.748088]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  386.752846]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  386.757680]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  386.763229]  ? fput+0x130/0x1a0
[  386.766504]  ? __bpf_prog_get+0x9b/0x290
[  386.770560]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  386.775393]  ? bpf_prog_test_run+0x130/0x1a0
[  386.779796]  ? __x64_sys_bpf+0x3d8/0x520
[  386.783855]  ? bpf_prog_get+0x20/0x20
[  386.787668]  ? do_syscall_64+0x1b9/0x820
[  386.791719]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  386.797083]  ? syscall_return_slowpath+0x5e0/0x5e0
[  386.802010]  ? trace_hardirqs_on_caller+0x310/0x310
[  386.807021]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  386.812031]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  386.818688]  ? __switch_to_asm+0x40/0x70
[  386.822745]  ? __switch_to_asm+0x34/0x70
[  386.826808]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  386.831654]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  386.837029] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  386.837090] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  386.843877] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  386.843881] Call Trace:
[  386.843902]  dump_stack+0x244/0x39d
[  386.843921]  ? dump_stack_print_info.cold.1+0x20/0x20
[  386.850460] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  386.859739]  warn_alloc.cold.116+0xb7/0x1bd
[  386.862286] syz-executor4 cpuset=syz4 mems_allowed=0
[  386.865900]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  386.895740]  ? lock_downgrade+0x900/0x900
[  386.899895]  ? trace_hardirqs_off+0xb8/0x310
[  386.904303]  ? trace_hardirqs_off+0xb8/0x310
[  386.908721]  __alloc_pages_slowpath+0x26e8/0x2e10
[  386.913585]  ? warn_alloc+0x120/0x120
[  386.917387]  ? print_usage_bug+0xc0/0xc0
[  386.921443]  ? warn_alloc+0x120/0x120
[  386.925252]  ? warn_alloc+0x120/0x120
[  386.929055]  ? print_usage_bug+0xc0/0xc0
[  386.933117]  ? print_usage_bug+0xc0/0xc0
[  386.937181]  ? __lock_acquire+0x62f/0x4c20
[  386.941415]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.946964]  ? should_fail+0x22d/0xd01
[  386.950852]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  386.955950]  ? __lock_acquire+0x62f/0x4c20
[  386.960195]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  386.965296]  ? __lock_acquire+0x62f/0x4c20
[  386.969525]  ? should_fail+0x22d/0xd01
[  386.973417]  ? find_held_lock+0x36/0x1c0
[  386.977479]  ? mark_held_locks+0x130/0x130
[  386.981718]  ? mark_held_locks+0x130/0x130
[  386.985949]  ? zap_class+0x640/0x640
[  386.989655]  ? zap_class+0x640/0x640
[  386.993367]  ? print_usage_bug+0xc0/0xc0
[  386.997422]  ? do_raw_spin_unlock+0xa7/0x330
[  387.001825]  ? zap_class+0x640/0x640
[  387.005543]  ? print_usage_bug+0xc0/0xc0
[  387.009599]  ? wq_watchdog_touch+0x9c/0xfe
[  387.013837]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.019372]  ? check_preemption_disabled+0x48/0x280
[  387.024402]  ? __lock_is_held+0xb5/0x140
[  387.028462]  __alloc_pages_nodemask+0xa80/0xde0
[  387.033129]  ? zap_class+0x640/0x640
[  387.036841]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  387.041859]  ? find_held_lock+0x36/0x1c0
[  387.045925]  ? ____cache_alloc_node+0x1c7/0x1e0
[  387.050592]  ? lock_downgrade+0x900/0x900
[  387.054740]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.060274]  cache_grow_begin+0xa5/0x8c0
[  387.064332]  ? do_raw_spin_unlock+0xa7/0x330
[  387.068744]  fallback_alloc+0x204/0x2e0
[  387.072721]  ____cache_alloc_node+0x1c7/0x1e0
[  387.077220]  kmem_cache_alloc_node+0xe3/0x730
[  387.081715]  ? ipv6_get_ifaddr+0x42e/0x620
[  387.085951]  __alloc_skb+0x119/0x770
[  387.089665]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  387.094943]  ? netdev_alloc_frag+0x1f0/0x1f0
[  387.099349]  ? lock_downgrade+0x900/0x900
[  387.103503]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.109032]  ? refcount_sub_and_test_checked+0x203/0x310
[  387.114484]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  387.119931]  ? addrconf_rs_timer+0x690/0x690
[  387.124344]  ndisc_alloc_skb+0x144/0x340
[  387.128404]  ndisc_send_rs+0x331/0x6e0
[  387.132289]  addrconf_rs_timer+0x314/0x690
[  387.136546]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.140786]  call_timer_fn+0x272/0x920
[  387.144668]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.148900]  ? process_timeout+0x40/0x40
[  387.153050]  ? __run_timers+0x7da/0xc70
[  387.157020]  ? _raw_spin_unlock_irq+0x27/0x80
[  387.161513]  ? _raw_spin_unlock_irq+0x27/0x80
[  387.166005]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.170239]  ? lockdep_hardirqs_on+0x296/0x5b0
[  387.174817]  ? trace_hardirqs_on+0xbd/0x310
[  387.179133]  ? kasan_check_read+0x11/0x20
[  387.183294]  ? __run_timers+0x7da/0xc70
[  387.187263]  ? trace_hardirqs_off_caller+0x310/0x310
[  387.192365]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.196597]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.200999]  __run_timers+0x7e5/0xc70
[  387.204804]  ? timer_fixup_init+0x70/0x70
[  387.208961]  ? _raw_spin_unlock_irq+0x27/0x80
[  387.213455]  ? _raw_spin_unlock_irq+0x27/0x80
[  387.217943]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  387.222521]  ? trace_hardirqs_on+0xbd/0x310
[  387.226834]  ? kasan_check_read+0x11/0x20
[  387.230980]  ? finish_task_switch+0x1f4/0x910
[  387.235472]  ? trace_hardirqs_off_caller+0x310/0x310
[  387.240568]  ? compat_start_thread+0x80/0x80
[  387.244988]  ? pvclock_read_flags+0x160/0x160
[  387.250173]  ? __switch_to_asm+0x34/0x70
[  387.254230]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.259769]  ? check_preemption_disabled+0x48/0x280
[  387.264789]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  387.270322]  ? rcu_pm_notify+0xc0/0xc0
[  387.274203]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.279738]  ? check_preemption_disabled+0x48/0x280
[  387.284755]  run_timer_softirq+0x52/0xb0
[  387.288809]  ? rcu_read_lock_sched_held+0x14f/0x180
[  387.293818]  __do_softirq+0x308/0xb7e
[  387.297622]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  387.302719]  ? trace_hardirqs_off+0xb8/0x310
[  387.307118]  ? rcu_irq_enter+0x18c/0x310
[  387.311183]  ? schedule+0x108/0x460
[  387.314804]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  387.319566]  ? trace_hardirqs_off+0xb8/0x310
[  387.323978]  ? smpboot_thread_fn+0x68b/0xa00
[  387.328380]  ? trace_hardirqs_on+0x310/0x310
[  387.332783]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  387.338317]  ? check_preemption_disabled+0x48/0x280
[  387.343327]  ? takeover_tasklets+0xa90/0xa90
[  387.347733]  run_ksoftirqd+0x5e/0x100
[  387.351532]  smpboot_thread_fn+0x68b/0xa00
[  387.355763]  ? sort_range+0x30/0x30
[  387.359390]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  387.364491]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  387.370037]  ? __kthread_parkme+0xfb/0x1a0
[  387.374269]  ? sort_range+0x30/0x30
[  387.377898]  kthread+0x35a/0x440
[  387.381262]  ? kthread_stop+0x900/0x900
[  387.385232]  ret_from_fork+0x3a/0x50
[  387.388961] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  387.388966] warn_alloc_show_mem: 1 callbacks suppressed
[  387.388972] Mem-Info:
[  387.396240] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  387.401605] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  387.401605]  active_file:16 inactive_file:14 isolated_file:0
[  387.401605]  unevictable:0 dirty:0 writeback:0 unstable:0
[  387.401605]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  387.401605]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  387.401605]  free:13767 free_pcp:490 free_cma:0
[  387.403972] Call Trace:
[  387.413347] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  387.446358]  <IRQ>
[  387.448925] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  387.476594]  dump_stack+0x244/0x39d
[  387.478709] lowmem_reserve[]: 0 2818 6321 6321
[  387.504809]  ? dump_stack_print_info.cold.1+0x20/0x20
[  387.508404] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  387.512983]  warn_alloc.cold.116+0xb7/0x1bd
[  387.518140] lowmem_reserve[]: 0 0 3503 3503
[  387.545632]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  387.549929] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  387.554240]  ? lock_downgrade+0x900/0x900
[  387.559074] lowmem_reserve[]: 0 0 0 0
[  387.588219]  ? trace_hardirqs_off+0xb8/0x310
[  387.592331] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  387.596133]  ? trace_hardirqs_off+0xb8/0x310
[  387.600510] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  387.614026]  __alloc_pages_slowpath+0x26e8/0x2e10
[  387.618755] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  387.634114]  ? warn_alloc+0x120/0x120
[  387.638912] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  387.654065]  ? print_usage_bug+0xc0/0xc0
[  387.657842] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  387.666658]  ? warn_alloc+0x120/0x120
[  387.670689] 1997 total pagecache pages
[  387.679253]  ? warn_alloc+0x120/0x120
[  387.683028] 0 pages in swap cache
[  387.686897]  ? print_usage_bug+0xc0/0xc0
[  387.690685] Swap cache stats: add 0, delete 0, find 0/0
[  387.694130]  ? kvm_clock_read+0x18/0x30
[  387.698164] Free swap  = 0kB
[  387.703512]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  387.707454] Total swap = 0kB
[  387.707461] 1965979 pages RAM
[  387.710469]  ? print_usage_bug+0xc0/0xc0
[  387.715458] 0 pages HighMem/MovableOnly
[  387.718461]  ? __lock_acquire+0x62f/0x4c20
[  387.721536] 342853 pages reserved
[  387.721543] 0 pages cma reserved
[  387.725590]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  387.729597] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  387.733757]  ? should_fail+0x22d/0xd01
[  387.737236] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  387.740526]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  387.740544]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  387.746052] ksoftirqd/1 cpuset=/ mems_allowed=0
[  387.752532]  ? __lock_acquire+0x62f/0x4c20
[  387.785903]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  387.790998]  ? __lock_acquire+0x62f/0x4c20
[  387.795227]  ? should_fail+0x22d/0xd01
[  387.799115]  ? rcu_irq_exit+0x1a2/0x390
[  387.803097]  ? mark_held_locks+0x130/0x130
[  387.807358]  ? mark_held_locks+0x130/0x130
[  387.811596]  ? mark_held_locks+0xc7/0x130
[  387.815735]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  387.820759]  ? zap_class+0x640/0x640
[  387.824469]  ? print_usage_bug+0xc0/0xc0
[  387.828527]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.834057]  ? check_preemption_disabled+0x48/0x280
[  387.839075]  ? __lock_is_held+0xb5/0x140
[  387.843151]  __alloc_pages_nodemask+0xa80/0xde0
[  387.847816]  ? zap_class+0x640/0x640
[  387.851531]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  387.856553]  ? find_held_lock+0x36/0x1c0
[  387.860616]  ? ____cache_alloc_node+0x1c7/0x1e0
[  387.865283]  ? lock_downgrade+0x900/0x900
[  387.869432]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.874966]  cache_grow_begin+0xa5/0x8c0
[  387.879018]  ? do_raw_spin_unlock+0xa7/0x330
[  387.883430]  fallback_alloc+0x204/0x2e0
[  387.887405]  ____cache_alloc_node+0x1c7/0x1e0
[  387.891905]  kmem_cache_alloc_node+0xe3/0x730
[  387.896409]  ? ipv6_get_ifaddr+0x42e/0x620
[  387.900647]  __alloc_skb+0x119/0x770
[  387.904352]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  387.909629]  ? netdev_alloc_frag+0x1f0/0x1f0
[  387.914030]  ? lock_downgrade+0x900/0x900
[  387.918180]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.923718]  ? refcount_sub_and_test_checked+0x203/0x310
[  387.929164]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  387.934607]  ? addrconf_rs_timer+0x690/0x690
[  387.939021]  ndisc_alloc_skb+0x144/0x340
[  387.943079]  ndisc_send_rs+0x331/0x6e0
[  387.946978]  addrconf_rs_timer+0x314/0x690
[  387.951211]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.955448]  call_timer_fn+0x272/0x920
[  387.959329]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.963644]  ? process_timeout+0x40/0x40
[  387.967709]  ? __run_timers+0x7da/0xc70
[  387.971682]  ? _raw_spin_unlock_irq+0x27/0x80
[  387.976707]  ? _raw_spin_unlock_irq+0x27/0x80
[  387.981201]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.985432]  ? lockdep_hardirqs_on+0x296/0x5b0
[  387.990013]  ? trace_hardirqs_on+0xbd/0x310
[  387.994330]  ? kasan_check_read+0x11/0x20
[  387.998470]  ? __run_timers+0x7da/0xc70
[  388.002444]  ? trace_hardirqs_off_caller+0x310/0x310
[  388.007633]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.011867]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.016102]  __run_timers+0x7e5/0xc70
[  388.019916]  ? timer_fixup_init+0x70/0x70
[  388.024059]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  388.029078]  ? zap_class+0x640/0x640
[  388.032797]  ? enqueue_hrtimer+0x1a5/0x560
[  388.037025]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  388.042213]  ? find_held_lock+0x36/0x1c0
[  388.046271]  ? zap_class+0x640/0x640
[  388.050067]  ? pvclock_read_flags+0x160/0x160
[  388.054568]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.060115]  ? check_preemption_disabled+0x48/0x280
[  388.065141]  ? __lock_is_held+0xb5/0x140
[  388.069201]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.074734]  ? check_preemption_disabled+0x48/0x280
[  388.079747]  run_timer_softirq+0x52/0xb0
[  388.083800]  ? rcu_read_lock_sched_held+0x14f/0x180
[  388.088810]  __do_softirq+0x308/0xb7e
[  388.092606]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  388.097108]  ? lock_downgrade+0x900/0x900
[  388.101257]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  388.106362]  ? pvclock_read_flags+0x160/0x160
[  388.110855]  ? lapic_next_event+0x5a/0x90
[  388.114999]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.120535]  ? kvm_clock_read+0x18/0x30
[  388.124522]  ? kvm_sched_clock_read+0x9/0x20
[  388.128928]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.134457]  ? check_preemption_disabled+0x48/0x280
[  388.139475]  irq_exit+0x17f/0x1c0
[  388.143319]  smp_apic_timer_interrupt+0x1cb/0x760
[  388.148157]  ? smp_reschedule_interrupt+0x109/0x650
[  388.153171]  ? smp_call_function_single_interrupt+0x650/0x650
[  388.159069]  ? interrupt_entry+0xb5/0xc0
[  388.163137]  ? trace_hardirqs_off_caller+0xbb/0x310
[  388.168145]  ? trace_hardirqs_off_caller+0xbb/0x310
[  388.173158]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  388.177995]  ? trace_hardirqs_on_caller+0x310/0x310
[  388.183020]  ? trace_hardirqs_on_caller+0x310/0x310
[  388.188027]  ? task_prio+0x50/0x50
[  388.191565]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.197110]  ? check_preemption_disabled+0x48/0x280
[  388.202127]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  388.206971]  apic_timer_interrupt+0xf/0x20
[  388.211204]  </IRQ>
[  388.213438] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  388.218362] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  388.237252] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  388.244949] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  388.252212] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  388.259472] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  388.266736] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  388.273998] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  388.281383]  skb_clone+0x1bb/0x500
[  388.284917]  ? finish_task_switch+0x2f4/0x910
[  388.289408]  ? skb_split+0x11e0/0x11e0
[  388.293299]  ? preempt_notifier_register+0x200/0x200
[  388.298398]  ? __switch_to_asm+0x34/0x70
[  388.302449]  ? __switch_to_asm+0x34/0x70
[  388.306500]  ? __switch_to_asm+0x40/0x70
[  388.310556]  ? __switch_to_asm+0x34/0x70
[  388.314609]  ? __switch_to_asm+0x40/0x70
[  388.318663]  ? __switch_to_asm+0x34/0x70
[  388.322716]  ? __switch_to_asm+0x40/0x70
[  388.326774]  ? __switch_to_asm+0x34/0x70
[  388.330831]  ? __switch_to_asm+0x34/0x70
[  388.334886]  ? __switch_to_asm+0x40/0x70
[  388.338936]  ? __switch_to_asm+0x34/0x70
[  388.342994]  bpf_clone_redirect+0xb9/0x490
[  388.347224]  ? __schedule+0x8d7/0x21d0
[  388.351118]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  388.356056]  ? __sched_text_start+0x8/0x8
[  388.360212]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  388.364785]  ? retint_kernel+0x2d/0x2d
[  388.368667]  ? trace_hardirqs_on_caller+0xc0/0x310
[  388.373595]  ? find_held_lock+0x36/0x1c0
[  388.377660]  ? lock_acquire+0x1ed/0x520
[  388.381628]  ? bpf_test_run+0x3cb/0x780
[  388.385594]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.391128]  ? check_preemption_disabled+0x48/0x280
[  388.396142]  ? kasan_check_read+0x11/0x20
[  388.400287]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  388.405556]  ? rcu_softirq_qs+0x20/0x20
[  388.409528]  ? preempt_schedule+0x4d/0x60
[  388.413671]  ? ___preempt_schedule+0x16/0x18
[  388.418089]  ? bpf_test_run+0x25d/0x780
[  388.422084]  ? netlink_diag_dump+0x2a0/0x2a0
[  388.426491]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  388.432020]  ? bpf_test_init.isra.10+0x70/0x100
[  388.436687]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  388.441442]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  388.446274]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  388.451803]  ? fput+0x130/0x1a0
[  388.455085]  ? __bpf_prog_get+0x9b/0x290
[  388.459144]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  388.463977]  ? bpf_prog_test_run+0x130/0x1a0
[  388.468381]  ? __x64_sys_bpf+0x3d8/0x520
[  388.472434]  ? bpf_prog_get+0x20/0x20
[  388.476245]  ? do_syscall_64+0x1b9/0x820
[  388.480302]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  388.485668]  ? syscall_return_slowpath+0x5e0/0x5e0
[  388.490597]  ? trace_hardirqs_on_caller+0x310/0x310
[  388.495612]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  388.500623]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  388.507283]  ? __switch_to_asm+0x40/0x70
[  388.511333]  ? __switch_to_asm+0x34/0x70
[  388.515392]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  388.520236]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  388.525612] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  388.525676] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  388.532451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  388.532455] Call Trace:
[  388.532472]  dump_stack+0x244/0x39d
[  388.532489]  ? dump_stack_print_info.cold.1+0x20/0x20
[  388.532515]  warn_alloc.cold.116+0xb7/0x1bd
[  388.539059] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  388.548322]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  388.550877] syz-executor4 cpuset=syz4 mems_allowed=0
[  388.554496]  ? lock_downgrade+0x900/0x900
[  388.588556]  ? trace_hardirqs_off+0xb8/0x310
[  388.592972]  ? trace_hardirqs_off+0xb8/0x310
[  388.597380]  __alloc_pages_slowpath+0x26e8/0x2e10
[  388.602246]  ? warn_alloc+0x120/0x120
[  388.606050]  ? print_usage_bug+0xc0/0xc0
[  388.610109]  ? warn_alloc+0x120/0x120
[  388.613906]  ? warn_alloc+0x120/0x120
[  388.617701]  ? print_usage_bug+0xc0/0xc0
[  388.621760]  ? print_usage_bug+0xc0/0xc0
[  388.625815]  ? __lock_acquire+0x62f/0x4c20
[  388.630062]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  388.635594]  ? should_fail+0x22d/0xd01
[  388.639483]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  388.644582]  ? __lock_acquire+0x62f/0x4c20
[  388.648814]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  388.653908]  ? __lock_acquire+0x62f/0x4c20
[  388.658139]  ? should_fail+0x22d/0xd01
[  388.662037]  ? find_held_lock+0x36/0x1c0
[  388.666114]  ? mark_held_locks+0x130/0x130
[  388.670346]  ? mark_held_locks+0x130/0x130
[  388.674576]  ? zap_class+0x640/0x640
[  388.678289]  ? zap_class+0x640/0x640
[  388.681998]  ? print_usage_bug+0xc0/0xc0
[  388.686061]  ? do_raw_spin_unlock+0xa7/0x330
[  388.690466]  ? zap_class+0x640/0x640
[  388.694177]  ? print_usage_bug+0xc0/0xc0
[  388.698230]  ? wq_watchdog_touch+0x9c/0xfe
[  388.702472]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.708005]  ? check_preemption_disabled+0x48/0x280
[  388.713115]  ? __lock_is_held+0xb5/0x140
[  388.717178]  __alloc_pages_nodemask+0xa80/0xde0
[  388.721844]  ? zap_class+0x640/0x640
[  388.725566]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  388.730599]  ? find_held_lock+0x36/0x1c0
[  388.734667]  ? ____cache_alloc_node+0x1c7/0x1e0
[  388.739331]  ? lock_downgrade+0x900/0x900
[  388.743480]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.749019]  cache_grow_begin+0xa5/0x8c0
[  388.753080]  ? do_raw_spin_unlock+0xa7/0x330
[  388.757490]  fallback_alloc+0x204/0x2e0
[  388.761465]  ____cache_alloc_node+0x1c7/0x1e0
[  388.765971]  kmem_cache_alloc_node+0xe3/0x730
[  388.770463]  ? ipv6_get_ifaddr+0x42e/0x620
[  388.774708]  __alloc_skb+0x119/0x770
[  388.778418]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  388.783692]  ? netdev_alloc_frag+0x1f0/0x1f0
[  388.788101]  ? lock_downgrade+0x900/0x900
[  388.792251]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.797781]  ? refcount_sub_and_test_checked+0x203/0x310
[  388.803231]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  388.808672]  ? addrconf_rs_timer+0x690/0x690
[  388.813084]  ndisc_alloc_skb+0x144/0x340
[  388.817142]  ndisc_send_rs+0x331/0x6e0
[  388.821034]  addrconf_rs_timer+0x314/0x690
[  388.825269]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.829510]  call_timer_fn+0x272/0x920
[  388.833395]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.837625]  ? process_timeout+0x40/0x40
[  388.841690]  ? __run_timers+0x7da/0xc70
[  388.845658]  ? _raw_spin_unlock_irq+0x27/0x80
[  388.850148]  ? _raw_spin_unlock_irq+0x27/0x80
[  388.854638]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.858865]  ? lockdep_hardirqs_on+0x296/0x5b0
[  388.863443]  ? trace_hardirqs_on+0xbd/0x310
[  388.867756]  ? kasan_check_read+0x11/0x20
[  388.871896]  ? __run_timers+0x7da/0xc70
[  388.875866]  ? trace_hardirqs_off_caller+0x310/0x310
[  388.882046]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.886277]  __run_timers+0x7e5/0xc70
[  388.890083]  ? timer_fixup_init+0x70/0x70
[  388.894225]  ? _raw_spin_unlock_irq+0x27/0x80
[  388.898712]  ? _raw_spin_unlock_irq+0x27/0x80
[  388.903221]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  388.907802]  ? trace_hardirqs_on+0xbd/0x310
[  388.912119]  ? kasan_check_read+0x11/0x20
[  388.916262]  ? finish_task_switch+0x1f4/0x910
[  388.920756]  ? trace_hardirqs_off_caller+0x310/0x310
[  388.925854]  ? compat_start_thread+0x80/0x80
[  388.930277]  ? pvclock_read_flags+0x160/0x160
[  388.934769]  ? __switch_to_asm+0x34/0x70
[  388.938833]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.944369]  ? check_preemption_disabled+0x48/0x280
[  388.949390]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  388.954922]  ? rcu_pm_notify+0xc0/0xc0
[  388.958805]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.964338]  ? check_preemption_disabled+0x48/0x280
[  388.969352]  run_timer_softirq+0x52/0xb0
[  388.973411]  ? rcu_read_lock_sched_held+0x14f/0x180
[  388.978422]  __do_softirq+0x308/0xb7e
[  388.982227]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  388.987322]  ? trace_hardirqs_off+0xb8/0x310
[  388.991721]  ? rcu_irq_enter+0x18c/0x310
[  388.995784]  ? schedule+0x108/0x460
[  388.999406]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  389.004167]  ? trace_hardirqs_off+0xb8/0x310
[  389.008571]  ? smpboot_thread_fn+0x68b/0xa00
[  389.012979]  ? trace_hardirqs_on+0x310/0x310
[  389.017381]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  389.022915]  ? check_preemption_disabled+0x48/0x280
[  389.027925]  ? takeover_tasklets+0xa90/0xa90
[  389.032331]  run_ksoftirqd+0x5e/0x100
[  389.036125]  smpboot_thread_fn+0x68b/0xa00
[  389.040358]  ? sort_range+0x30/0x30
[  389.043983]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  389.049088]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  389.054619]  ? __kthread_parkme+0xfb/0x1a0
[  389.058853]  ? sort_range+0x30/0x30
[  389.062472]  kthread+0x35a/0x440
[  389.065838]  ? kthread_stop+0x900/0x900
[  389.069814]  ret_from_fork+0x3a/0x50
[  389.073553] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  389.073557] warn_alloc_show_mem: 1 callbacks suppressed
[  389.073563] Mem-Info:
[  389.080832] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  389.086194] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  389.086194]  active_file:16 inactive_file:14 isolated_file:0
[  389.086194]  unevictable:0 dirty:0 writeback:0 unstable:0
[  389.086194]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  389.086194]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  389.086194]  free:13767 free_pcp:490 free_cma:0
[  389.088564] Call Trace:
[  389.097934] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  389.130946]  <IRQ>
[  389.133508] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  389.161172]  dump_stack+0x244/0x39d
[  389.163291] lowmem_reserve[]: 0 2818 6321 6321
[  389.189392]  ? dump_stack_print_info.cold.1+0x20/0x20
[  389.193010] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  389.197612]  warn_alloc.cold.116+0xb7/0x1bd
[  389.202766] lowmem_reserve[]: 0 0 3503 3503
[  389.230253]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  389.234548] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  389.238858]  ? lock_downgrade+0x900/0x900
[  389.243662] lowmem_reserve[]: 0 0 0 0
[  389.272811]  ? trace_hardirqs_off+0xb8/0x310
[  389.276926] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  389.280719]  ? trace_hardirqs_off+0xb8/0x310
[  389.285097] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  389.298616]  __alloc_pages_slowpath+0x26e8/0x2e10
[  389.302984] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  389.318363]  ? warn_alloc+0x120/0x120
[  389.323165] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  389.338246]  ? print_usage_bug+0xc0/0xc0
[  389.342029] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  389.350938]  ? warn_alloc+0x120/0x120
[  389.354973] 1997 total pagecache pages
[  389.363543]  ? warn_alloc+0x120/0x120
[  389.367321] 0 pages in swap cache
[  389.371189]  ? print_usage_bug+0xc0/0xc0
[  389.374965] Swap cache stats: add 0, delete 0, find 0/0
[  389.378409]  ? kvm_clock_read+0x18/0x30
[  389.382442] Free swap  = 0kB
[  389.387790]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  389.391732] Total swap = 0kB
[  389.391739] 1965979 pages RAM
[  389.394747]  ? print_usage_bug+0xc0/0xc0
[  389.399729] 0 pages HighMem/MovableOnly
[  389.399736] 342853 pages reserved
[  389.402741]  ? __lock_acquire+0x62f/0x4c20
[  389.405816] 0 pages cma reserved
[  389.409865]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  389.413873] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  389.417255]  ? should_fail+0x22d/0xd01
[  389.421547] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  389.424818]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  389.430329] ksoftirqd/1 cpuset=/ mems_allowed=0
[  389.436897]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  389.466071]  ? __lock_acquire+0x62f/0x4c20
[  389.470308]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  389.475407]  ? __lock_acquire+0x62f/0x4c20
[  389.479635]  ? should_fail+0x22d/0xd01
[  389.483517]  ? rcu_irq_exit+0x1a2/0x390
[  389.487496]  ? mark_held_locks+0x130/0x130
[  389.491729]  ? mark_held_locks+0x130/0x130
[  389.495965]  ? mark_held_locks+0xc7/0x130
[  389.500121]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  389.505159]  ? zap_class+0x640/0x640
[  389.508882]  ? print_usage_bug+0xc0/0xc0
[  389.512940]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.518470]  ? check_preemption_disabled+0x48/0x280
[  389.523491]  ? __lock_is_held+0xb5/0x140
[  389.527555]  __alloc_pages_nodemask+0xa80/0xde0
[  389.532219]  ? zap_class+0x640/0x640
[  389.535934]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  389.540955]  ? find_held_lock+0x36/0x1c0
[  389.545029]  ? ____cache_alloc_node+0x1c7/0x1e0
[  389.549722]  ? lock_downgrade+0x900/0x900
[  389.553869]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.559408]  cache_grow_begin+0xa5/0x8c0
[  389.563461]  ? do_raw_spin_unlock+0xa7/0x330
[  389.567877]  fallback_alloc+0x204/0x2e0
[  389.571850]  ____cache_alloc_node+0x1c7/0x1e0
[  389.576347]  kmem_cache_alloc_node+0xe3/0x730
[  389.580838]  ? ipv6_get_ifaddr+0x42e/0x620
[  389.585085]  __alloc_skb+0x119/0x770
[  389.588791]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  389.594065]  ? netdev_alloc_frag+0x1f0/0x1f0
[  389.598472]  ? lock_downgrade+0x900/0x900
[  389.602624]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.608155]  ? refcount_sub_and_test_checked+0x203/0x310
[  389.613601]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  389.619044]  ? addrconf_rs_timer+0x690/0x690
[  389.623457]  ndisc_alloc_skb+0x144/0x340
[  389.627518]  ndisc_send_rs+0x331/0x6e0
[  389.631406]  addrconf_rs_timer+0x314/0x690
[  389.635651]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  389.639892]  call_timer_fn+0x272/0x920
[  389.643770]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  389.648004]  ? process_timeout+0x40/0x40
[  389.652071]  ? __run_timers+0x7da/0xc70
[  389.656043]  ? _raw_spin_unlock_irq+0x27/0x80
[  389.660535]  ? _raw_spin_unlock_irq+0x27/0x80
[  389.665025]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  389.669253]  ? lockdep_hardirqs_on+0x296/0x5b0
[  389.673829]  ? trace_hardirqs_on+0xbd/0x310
[  389.678144]  ? kasan_check_read+0x11/0x20
[  389.682285]  ? __run_timers+0x7da/0xc70
[  389.686256]  ? trace_hardirqs_off_caller+0x310/0x310
[  389.691354]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  389.695587]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  389.699812]  __run_timers+0x7e5/0xc70
[  389.703614]  ? timer_fixup_init+0x70/0x70
[  389.707757]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  389.712767]  ? zap_class+0x640/0x640
[  389.716481]  ? enqueue_hrtimer+0x1a5/0x560
[  389.720716]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  389.725908]  ? find_held_lock+0x36/0x1c0
[  389.729973]  ? zap_class+0x640/0x640
[  389.733820]  ? pvclock_read_flags+0x160/0x160
[  389.738327]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.743875]  ? check_preemption_disabled+0x48/0x280
[  389.748896]  ? __lock_is_held+0xb5/0x140
[  389.752955]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.758497]  ? check_preemption_disabled+0x48/0x280
[  389.763510]  run_timer_softirq+0x52/0xb0
[  389.767567]  ? rcu_read_lock_sched_held+0x14f/0x180
[  389.772577]  __do_softirq+0x308/0xb7e
[  389.776375]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  389.780866]  ? lock_downgrade+0x900/0x900
[  389.785015]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  389.790119]  ? pvclock_read_flags+0x160/0x160
[  389.794616]  ? lapic_next_event+0x5a/0x90
[  389.798760]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.804294]  ? kvm_clock_read+0x18/0x30
[  389.808264]  ? kvm_sched_clock_read+0x9/0x20
[  389.812666]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.818197]  ? check_preemption_disabled+0x48/0x280
[  389.823216]  irq_exit+0x17f/0x1c0
[  389.826665]  smp_apic_timer_interrupt+0x1cb/0x760
[  389.831499]  ? smp_reschedule_interrupt+0x109/0x650
[  389.836510]  ? smp_call_function_single_interrupt+0x650/0x650
[  389.842403]  ? interrupt_entry+0xb5/0xc0
[  389.846464]  ? trace_hardirqs_off_caller+0xbb/0x310
[  389.851482]  ? trace_hardirqs_off_caller+0xbb/0x310
[  389.856497]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  389.861334]  ? trace_hardirqs_on_caller+0x310/0x310
[  389.866345]  ? trace_hardirqs_on_caller+0x310/0x310
[  389.871353]  ? task_prio+0x50/0x50
[  389.874891]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.880422]  ? check_preemption_disabled+0x48/0x280
[  389.885437]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  389.890279]  apic_timer_interrupt+0xf/0x20
[  389.894507]  </IRQ>
[  389.896742] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  389.901666] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  389.920575] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  389.928277] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  389.935540] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  389.942800] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  389.950063] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  389.957326] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  389.964621]  skb_clone+0x1bb/0x500
[  389.968160]  ? finish_task_switch+0x2f4/0x910
[  389.972648]  ? skb_split+0x11e0/0x11e0
[  389.977071]  ? preempt_notifier_register+0x200/0x200
[  389.982174]  ? __switch_to_asm+0x34/0x70
[  389.986226]  ? __switch_to_asm+0x34/0x70
[  389.990279]  ? __switch_to_asm+0x40/0x70
[  389.995258]  ? __switch_to_asm+0x34/0x70
[  389.999311]  ? __switch_to_asm+0x40/0x70
[  390.003364]  ? __switch_to_asm+0x34/0x70
[  390.007417]  ? __switch_to_asm+0x40/0x70
[  390.011470]  ? __switch_to_asm+0x34/0x70
[  390.015529]  ? __switch_to_asm+0x34/0x70
[  390.019593]  ? __switch_to_asm+0x40/0x70
[  390.023656]  ? __switch_to_asm+0x34/0x70
[  390.027717]  bpf_clone_redirect+0xb9/0x490
[  390.031959]  ? __schedule+0x8d7/0x21d0
[  390.035847]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  390.040772]  ? __sched_text_start+0x8/0x8
[  390.044921]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  390.049506]  ? retint_kernel+0x2d/0x2d
[  390.053394]  ? trace_hardirqs_on_caller+0xc0/0x310
[  390.058330]  ? find_held_lock+0x36/0x1c0
[  390.062394]  ? lock_acquire+0x1ed/0x520
[  390.066364]  ? bpf_test_run+0x3cb/0x780
[  390.070333]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.075867]  ? check_preemption_disabled+0x48/0x280
[  390.080882]  ? kasan_check_read+0x11/0x20
[  390.085026]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  390.090298]  ? rcu_softirq_qs+0x20/0x20
[  390.094266]  ? preempt_schedule+0x4d/0x60
[  390.098409]  ? ___preempt_schedule+0x16/0x18
[  390.102818]  ? bpf_test_run+0x25d/0x780
[  390.106795]  ? netlink_diag_dump+0x2a0/0x2a0
[  390.111198]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  390.116729]  ? bpf_test_init.isra.10+0x70/0x100
[  390.121395]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  390.126155]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  390.130993]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  390.136535]  ? fput+0x130/0x1a0
[  390.139813]  ? __bpf_prog_get+0x9b/0x290
[  390.144288]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  390.149130]  ? bpf_prog_test_run+0x130/0x1a0
[  390.153541]  ? __x64_sys_bpf+0x3d8/0x520
[  390.157604]  ? bpf_prog_get+0x20/0x20
[  390.161434]  ? do_syscall_64+0x1b9/0x820
[  390.165488]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  390.170848]  ? syscall_return_slowpath+0x5e0/0x5e0
[  390.175776]  ? trace_hardirqs_on_caller+0x310/0x310
[  390.180788]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  390.185800]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  390.192459]  ? __switch_to_asm+0x40/0x70
[  390.196511]  ? __switch_to_asm+0x34/0x70
[  390.200577]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  390.205432]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  390.210807] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  390.210869] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  390.217733] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  390.217740] Call Trace:
[  390.224294] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  390.233558]  dump_stack+0x244/0x39d
[  390.236116] syz-executor4 cpuset=syz4 mems_allowed=0
[  390.246590]  ? dump_stack_print_info.cold.1+0x20/0x20
[  390.260468]  warn_alloc.cold.116+0xb7/0x1bd
[  390.264788]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  390.269639]  ? lock_downgrade+0x900/0x900
[  390.273790]  ? trace_hardirqs_off+0xb8/0x310
[  390.278198]  ? trace_hardirqs_off+0xb8/0x310
[  390.282611]  __alloc_pages_slowpath+0x26e8/0x2e10
[  390.287492]  ? warn_alloc+0x120/0x120
[  390.291295]  ? print_usage_bug+0xc0/0xc0
[  390.295356]  ? warn_alloc+0x120/0x120
[  390.299158]  ? warn_alloc+0x120/0x120
[  390.302957]  ? print_usage_bug+0xc0/0xc0
[  390.307019]  ? print_usage_bug+0xc0/0xc0
[  390.311075]  ? __lock_acquire+0x62f/0x4c20
[  390.315309]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  390.320841]  ? should_fail+0x22d/0xd01
[  390.324725]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  390.329822]  ? __lock_acquire+0x62f/0x4c20
[  390.334060]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  390.339160]  ? __lock_acquire+0x62f/0x4c20
[  390.343386]  ? should_fail+0x22d/0xd01
[  390.347271]  ? find_held_lock+0x36/0x1c0
[  390.351333]  ? mark_held_locks+0x130/0x130
[  390.355584]  ? mark_held_locks+0x130/0x130
[  390.359811]  ? zap_class+0x640/0x640
[  390.363713]  ? mark_held_locks+0xc7/0x130
[  390.367856]  ? do_raw_spin_unlock+0xa7/0x330
[  390.372273]  ? zap_class+0x640/0x640
[  390.375984]  ? print_usage_bug+0xc0/0xc0
[  390.380060]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.385678]  ? check_preemption_disabled+0x48/0x280
[  390.390701]  ? __lock_is_held+0xb5/0x140
[  390.394762]  __alloc_pages_nodemask+0xa80/0xde0
[  390.399431]  ? zap_class+0x640/0x640
[  390.403143]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  390.408168]  ? find_held_lock+0x36/0x1c0
[  390.412235]  ? ____cache_alloc_node+0x1c7/0x1e0
[  390.416898]  ? lock_downgrade+0x900/0x900
[  390.421059]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.426594]  cache_grow_begin+0xa5/0x8c0
[  390.430648]  ? do_raw_spin_unlock+0xa7/0x330
[  390.435061]  fallback_alloc+0x204/0x2e0
[  390.439049]  ____cache_alloc_node+0x1c7/0x1e0
[  390.443542]  kmem_cache_alloc_node+0xe3/0x730
[  390.448035]  ? ipv6_get_ifaddr+0x42e/0x620
[  390.452277]  __alloc_skb+0x119/0x770
[  390.455990]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  390.461281]  ? netdev_alloc_frag+0x1f0/0x1f0
[  390.465687]  ? lock_downgrade+0x900/0x900
[  390.469840]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.475380]  ? refcount_sub_and_test_checked+0x203/0x310
[  390.480826]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  390.486272]  ? addrconf_rs_timer+0x690/0x690
[  390.490689]  ndisc_alloc_skb+0x144/0x340
[  390.494749]  ndisc_send_rs+0x331/0x6e0
[  390.498639]  addrconf_rs_timer+0x314/0x690
[  390.502872]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.507122]  call_timer_fn+0x272/0x920
[  390.511007]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.515235]  ? process_timeout+0x40/0x40
[  390.519298]  ? __run_timers+0x7da/0xc70
[  390.523270]  ? _raw_spin_unlock_irq+0x27/0x80
[  390.527758]  ? _raw_spin_unlock_irq+0x27/0x80
[  390.532243]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.536469]  ? lockdep_hardirqs_on+0x296/0x5b0
[  390.541060]  ? trace_hardirqs_on+0xbd/0x310
[  390.545390]  ? kasan_check_read+0x11/0x20
[  390.549539]  ? __run_timers+0x7da/0xc70
[  390.553508]  ? trace_hardirqs_off_caller+0x310/0x310
[  390.558711]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.562949]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.567177]  __run_timers+0x7e5/0xc70
[  390.570982]  ? timer_fixup_init+0x70/0x70
[  390.575149]  ? _raw_spin_unlock_irq+0x27/0x80
[  390.579748]  ? _raw_spin_unlock_irq+0x27/0x80
[  390.584252]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  390.588831]  ? trace_hardirqs_on+0xbd/0x310
[  390.593144]  ? kasan_check_read+0x11/0x20
[  390.597287]  ? finish_task_switch+0x1f4/0x910
[  390.601783]  ? trace_hardirqs_off_caller+0x310/0x310
[  390.606882]  ? compat_start_thread+0x80/0x80
[  390.611317]  ? pvclock_read_flags+0x160/0x160
[  390.615802]  ? __switch_to_asm+0x34/0x70
[  390.619856]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.625391]  ? check_preemption_disabled+0x48/0x280
[  390.630414]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  390.635950]  ? rcu_pm_notify+0xc0/0xc0
[  390.639832]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.645367]  ? check_preemption_disabled+0x48/0x280
[  390.650383]  run_timer_softirq+0x52/0xb0
[  390.654447]  ? rcu_read_lock_sched_held+0x14f/0x180
[  390.659460]  __do_softirq+0x308/0xb7e
[  390.663271]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  390.668369]  ? trace_hardirqs_off+0xb8/0x310
[  390.672769]  ? rcu_irq_enter+0x18c/0x310
[  390.676834]  ? schedule+0x108/0x460
[  390.680455]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  390.685333]  ? trace_hardirqs_off+0xb8/0x310
[  390.689736]  ? smpboot_thread_fn+0x68b/0xa00
[  390.694143]  ? trace_hardirqs_on+0x310/0x310
[  390.698546]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  390.704077]  ? check_preemption_disabled+0x48/0x280
[  390.709110]  ? takeover_tasklets+0xa90/0xa90
[  390.713512]  run_ksoftirqd+0x5e/0x100
[  390.717305]  smpboot_thread_fn+0x68b/0xa00
[  390.721536]  ? sort_range+0x30/0x30
[  390.725157]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  390.730259]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  390.735793]  ? __kthread_parkme+0xfb/0x1a0
[  390.740025]  ? sort_range+0x30/0x30
[  390.743650]  kthread+0x35a/0x440
[  390.747031]  ? kthread_stop+0x900/0x900
[  390.751001]  ret_from_fork+0x3a/0x50
[  390.754720] warn_alloc_show_mem: 1 callbacks suppressed
[  390.754730] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  390.754731] Mem-Info:
[  390.754761] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  390.754761]  active_file:16 inactive_file:14 isolated_file:0
[  390.754761]  unevictable:0 dirty:0 writeback:0 unstable:0
[  390.754761]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  390.754761]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  390.754761]  free:13767 free_pcp:490 free_cma:0
[  390.760090] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  390.760097] Call Trace:
[  390.767369] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  390.769766]  <IRQ>
[  390.802792] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  390.812139]  dump_stack+0x244/0x39d
[  390.814693] lowmem_reserve[]: 0 2818 6321 6321
[  390.842366]  ? dump_stack_print_info.cold.1+0x20/0x20
[  390.844490] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  390.870613]  warn_alloc.cold.116+0xb7/0x1bd
[  390.874207] lowmem_reserve[]: 0 0 3503 3503
[  390.878780]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  390.883942] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  390.911429]  ? lock_downgrade+0x900/0x900
[  390.915718] lowmem_reserve[]: 0 0 0 0
[  390.920045]  ? trace_hardirqs_off+0xb8/0x310
[  390.924855] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  390.954002]  ? trace_hardirqs_off+0xb8/0x310
[  390.958121] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  390.961918]  __alloc_pages_slowpath+0x26e8/0x2e10
[  390.966295] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  390.979834]  ? warn_alloc+0x120/0x120
[  390.984199] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  390.999718]  ? print_usage_bug+0xc0/0xc0
[  391.004538] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  391.019605]  ? warn_alloc+0x120/0x120
[  391.023377] 1997 total pagecache pages
[  391.032198]  ? warn_alloc+0x120/0x120
[  391.036236] 0 pages in swap cache
[  391.044793]  ? print_usage_bug+0xc0/0xc0
[  391.048584] Swap cache stats: add 0, delete 0, find 0/0
[  391.052454]  ? kvm_clock_read+0x18/0x30
[  391.056226] Free swap  = 0kB
[  391.059664]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  391.063696] Total swap = 0kB
[  391.069044]  ? print_usage_bug+0xc0/0xc0
[  391.072989] 1965979 pages RAM
[  391.075992]  ? __lock_acquire+0x62f/0x4c20
[  391.080989] 0 pages HighMem/MovableOnly
[  391.080996] 342853 pages reserved
[  391.084002]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.088033] 0 pages cma reserved
[  391.091130]  ? should_fail+0x22d/0xd01
[  391.095419] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  391.099292]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  391.099304]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  391.099314]  ? __lock_acquire+0x62f/0x4c20
[  391.099325]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  391.099332]  ? __lock_acquire+0x62f/0x4c20
[  391.099339]  ? should_fail+0x22d/0xd01
[  391.099346]  ? rcu_irq_exit+0x1a2/0x390
[  391.099359]  ? mark_held_locks+0x130/0x130
[  391.099370]  ? mark_held_locks+0x130/0x130
[  391.099387]  ? mark_held_locks+0xc7/0x130
[  391.099401]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  391.099414]  ? zap_class+0x640/0x640
[  391.099426]  ? print_usage_bug+0xc0/0xc0
[  391.099443]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.102930] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  391.108411]  ? check_preemption_disabled+0x48/0x280
[  391.111749] ksoftirqd/1 cpuset=/ mems_allowed=0
[  391.115631]  ? __lock_is_held+0xb5/0x140
[  391.208676]  __alloc_pages_nodemask+0xa80/0xde0
[  391.213345]  ? zap_class+0x640/0x640
[  391.217065]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  391.222197]  ? find_held_lock+0x36/0x1c0
[  391.226261]  ? ____cache_alloc_node+0x1c7/0x1e0
[  391.230929]  ? lock_downgrade+0x900/0x900
[  391.235096]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.240634]  cache_grow_begin+0xa5/0x8c0
[  391.244692]  ? do_raw_spin_unlock+0xa7/0x330
[  391.249102]  fallback_alloc+0x204/0x2e0
[  391.253078]  ____cache_alloc_node+0x1c7/0x1e0
[  391.257575]  kmem_cache_alloc_node+0xe3/0x730
[  391.262069]  ? ipv6_get_ifaddr+0x42e/0x620
[  391.266319]  __alloc_skb+0x119/0x770
[  391.270027]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  391.275306]  ? netdev_alloc_frag+0x1f0/0x1f0
[  391.279714]  ? lock_downgrade+0x900/0x900
[  391.283876]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.289407]  ? refcount_sub_and_test_checked+0x203/0x310
[  391.294867]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  391.300317]  ? addrconf_rs_timer+0x690/0x690
[  391.304733]  ndisc_alloc_skb+0x144/0x340
[  391.308791]  ndisc_send_rs+0x331/0x6e0
[  391.312680]  addrconf_rs_timer+0x314/0x690
[  391.316925]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  391.321162]  call_timer_fn+0x272/0x920
[  391.325043]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  391.329275]  ? process_timeout+0x40/0x40
[  391.333340]  ? __run_timers+0x7da/0xc70
[  391.337314]  ? _raw_spin_unlock_irq+0x27/0x80
[  391.341805]  ? _raw_spin_unlock_irq+0x27/0x80
[  391.346292]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  391.350522]  ? lockdep_hardirqs_on+0x296/0x5b0
[  391.355105]  ? trace_hardirqs_on+0xbd/0x310
[  391.359420]  ? kasan_check_read+0x11/0x20
[  391.363559]  ? __run_timers+0x7da/0xc70
[  391.367530]  ? trace_hardirqs_off_caller+0x310/0x310
[  391.372631]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  391.376878]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  391.381104]  __run_timers+0x7e5/0xc70
[  391.384907]  ? timer_fixup_init+0x70/0x70
[  391.389056]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  391.394065]  ? zap_class+0x640/0x640
[  391.397777]  ? enqueue_hrtimer+0x1a5/0x560
[  391.402012]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  391.407201]  ? find_held_lock+0x36/0x1c0
[  391.411259]  ? zap_class+0x640/0x640
[  391.414969]  ? pvclock_read_flags+0x160/0x160
[  391.419462]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.425007]  ? check_preemption_disabled+0x48/0x280
[  391.430026]  ? __lock_is_held+0xb5/0x140
[  391.434095]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.439712]  ? check_preemption_disabled+0x48/0x280
[  391.444730]  run_timer_softirq+0x52/0xb0
[  391.448791]  ? rcu_read_lock_sched_held+0x14f/0x180
[  391.453802]  __do_softirq+0x308/0xb7e
[  391.457615]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  391.462104]  ? lock_downgrade+0x900/0x900
[  391.466250]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  391.471354]  ? pvclock_read_flags+0x160/0x160
[  391.475870]  ? lapic_next_event+0x5a/0x90
[  391.480016]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.485552]  ? kvm_clock_read+0x18/0x30
[  391.489519]  ? kvm_sched_clock_read+0x9/0x20
[  391.493924]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.499455]  ? check_preemption_disabled+0x48/0x280
[  391.504562]  irq_exit+0x17f/0x1c0
[  391.508015]  smp_apic_timer_interrupt+0x1cb/0x760
[  391.512860]  ? smp_reschedule_interrupt+0x109/0x650
[  391.517871]  ? smp_call_function_single_interrupt+0x650/0x650
[  391.523748]  ? interrupt_entry+0xb5/0xc0
[  391.527805]  ? trace_hardirqs_off_caller+0xbb/0x310
[  391.532832]  ? trace_hardirqs_off_caller+0xbb/0x310
[  391.537860]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  391.542702]  ? trace_hardirqs_on_caller+0x310/0x310
[  391.547714]  ? trace_hardirqs_on_caller+0x310/0x310
[  391.552726]  ? task_prio+0x50/0x50
[  391.556260]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.561794]  ? check_preemption_disabled+0x48/0x280
[  391.566846]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  391.571697]  apic_timer_interrupt+0xf/0x20
[  391.575926]  </IRQ>
[  391.578161] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  391.583083] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  391.601978] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  391.609678] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  391.616940] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  391.624202] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  391.631465] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  391.638729] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  391.646031]  skb_clone+0x1bb/0x500
[  391.649571]  ? finish_task_switch+0x2f4/0x910
[  391.654066]  ? skb_split+0x11e0/0x11e0
[  391.657950]  ? preempt_notifier_register+0x200/0x200
[  391.663048]  ? __switch_to_asm+0x34/0x70
[  391.667108]  ? __switch_to_asm+0x34/0x70
[  391.671162]  ? __switch_to_asm+0x40/0x70
[  391.675218]  ? __switch_to_asm+0x34/0x70
[  391.679269]  ? __switch_to_asm+0x40/0x70
[  391.683323]  ? __switch_to_asm+0x34/0x70
[  391.687377]  ? __switch_to_asm+0x40/0x70
[  391.691428]  ? __switch_to_asm+0x34/0x70
[  391.695483]  ? __switch_to_asm+0x34/0x70
[  391.699540]  ? __switch_to_asm+0x40/0x70
[  391.703597]  ? __switch_to_asm+0x34/0x70
[  391.707661]  bpf_clone_redirect+0xb9/0x490
[  391.711892]  ? __schedule+0x8d7/0x21d0
[  391.715778]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  391.720712]  ? __sched_text_start+0x8/0x8
[  391.724861]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  391.729439]  ? retint_kernel+0x2d/0x2d
[  391.733321]  ? trace_hardirqs_on_caller+0xc0/0x310
[  391.738259]  ? find_held_lock+0x36/0x1c0
[  391.742408]  ? lock_acquire+0x1ed/0x520
[  391.746379]  ? bpf_test_run+0x3cb/0x780
[  391.750351]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.755884]  ? check_preemption_disabled+0x48/0x280
[  391.760902]  ? kasan_check_read+0x11/0x20
[  391.765046]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  391.770316]  ? rcu_softirq_qs+0x20/0x20
[  391.774287]  ? preempt_schedule+0x4d/0x60
[  391.778434]  ? ___preempt_schedule+0x16/0x18
[  391.782855]  ? bpf_test_run+0x25d/0x780
[  391.786855]  ? netlink_diag_dump+0x2a0/0x2a0
[  391.791263]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.796793]  ? bpf_test_init.isra.10+0x70/0x100
[  391.801470]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  391.806239]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  391.811077]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  391.816618]  ? fput+0x130/0x1a0
[  391.819920]  ? __bpf_prog_get+0x9b/0x290
[  391.823993]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  391.828838]  ? bpf_prog_test_run+0x130/0x1a0
[  391.833245]  ? __x64_sys_bpf+0x3d8/0x520
[  391.837300]  ? bpf_prog_get+0x20/0x20
[  391.841115]  ? do_syscall_64+0x1b9/0x820
[  391.845172]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  391.850534]  ? syscall_return_slowpath+0x5e0/0x5e0
[  391.855465]  ? trace_hardirqs_on_caller+0x310/0x310
[  391.860474]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  391.865484]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  391.872143]  ? __switch_to_asm+0x40/0x70
[  391.876196]  ? __switch_to_asm+0x34/0x70
[  391.880259]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  391.885107]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  391.890482] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  391.890543] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  391.897322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  391.897330] Call Trace:
[  391.903891] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  391.913153]  dump_stack+0x244/0x39d
[  391.915707] syz-executor4 cpuset=syz4 mems_allowed=0
[  391.926204]  ? dump_stack_print_info.cold.1+0x20/0x20
[  391.940196]  warn_alloc.cold.116+0xb7/0x1bd
[  391.944514]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  391.949361]  ? lock_downgrade+0x900/0x900
[  391.953525]  ? trace_hardirqs_off+0xb8/0x310
[  391.957935]  ? trace_hardirqs_off+0xb8/0x310
[  391.962347]  __alloc_pages_slowpath+0x26e8/0x2e10
[  391.967212]  ? warn_alloc+0x120/0x120
[  391.971008]  ? print_usage_bug+0xc0/0xc0
[  391.975394]  ? warn_alloc+0x120/0x120
[  391.979195]  ? warn_alloc+0x120/0x120
[  391.982994]  ? print_usage_bug+0xc0/0xc0
[  391.987058]  ? print_usage_bug+0xc0/0xc0
[  391.991115]  ? __lock_acquire+0x62f/0x4c20
[  391.995349]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  392.000900]  ? should_fail+0x22d/0xd01
[  392.004795]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  392.009893]  ? __lock_acquire+0x62f/0x4c20
[  392.014128]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  392.019224]  ? __lock_acquire+0x62f/0x4c20
[  392.023453]  ? should_fail+0x22d/0xd01
[  392.027335]  ? find_held_lock+0x36/0x1c0
[  392.031398]  ? mark_held_locks+0x130/0x130
[  392.035634]  ? mark_held_locks+0x130/0x130
[  392.039862]  ? zap_class+0x640/0x640
[  392.043572]  ? zap_class+0x640/0x640
[  392.047287]  ? print_usage_bug+0xc0/0xc0
[  392.051344]  ? do_raw_spin_unlock+0xa7/0x330
[  392.055752]  ? zap_class+0x640/0x640
[  392.059466]  ? print_usage_bug+0xc0/0xc0
[  392.063526]  ? wq_watchdog_touch+0x9c/0xfe
[  392.067762]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.073304]  ? check_preemption_disabled+0x48/0x280
[  392.078327]  ? __lock_is_held+0xb5/0x140
[  392.082390]  __alloc_pages_nodemask+0xa80/0xde0
[  392.087141]  ? zap_class+0x640/0x640
[  392.090855]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  392.095876]  ? find_held_lock+0x36/0x1c0
[  392.099941]  ? ____cache_alloc_node+0x1c7/0x1e0
[  392.104609]  ? lock_downgrade+0x900/0x900
[  392.108757]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.114305]  cache_grow_begin+0xa5/0x8c0
[  392.118361]  ? do_raw_spin_unlock+0xa7/0x330
[  392.122774]  fallback_alloc+0x204/0x2e0
[  392.126759]  ____cache_alloc_node+0x1c7/0x1e0
[  392.131264]  kmem_cache_alloc_node+0xe3/0x730
[  392.135759]  ? ipv6_get_ifaddr+0x42e/0x620
[  392.140005]  __alloc_skb+0x119/0x770
[  392.144245]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  392.149531]  ? netdev_alloc_frag+0x1f0/0x1f0
[  392.153935]  ? lock_downgrade+0x900/0x900
[  392.158085]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.163616]  ? refcount_sub_and_test_checked+0x203/0x310
[  392.169064]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  392.174511]  ? addrconf_rs_timer+0x690/0x690
[  392.178928]  ndisc_alloc_skb+0x144/0x340
[  392.182994]  ndisc_send_rs+0x331/0x6e0
[  392.186883]  addrconf_rs_timer+0x314/0x690
[  392.191213]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  392.195454]  call_timer_fn+0x272/0x920
[  392.199340]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  392.203571]  ? process_timeout+0x40/0x40
[  392.207636]  ? __run_timers+0x7da/0xc70
[  392.211607]  ? _raw_spin_unlock_irq+0x27/0x80
[  392.216094]  ? _raw_spin_unlock_irq+0x27/0x80
[  392.220584]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  392.224815]  ? lockdep_hardirqs_on+0x296/0x5b0
[  392.229393]  ? trace_hardirqs_on+0xbd/0x310
[  392.233714]  ? kasan_check_read+0x11/0x20
[  392.237858]  ? __run_timers+0x7da/0xc70
[  392.241910]  ? trace_hardirqs_off_caller+0x310/0x310
[  392.247013]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  392.251259]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  392.255489]  __run_timers+0x7e5/0xc70
[  392.259299]  ? timer_fixup_init+0x70/0x70
[  392.263450]  ? _raw_spin_unlock_irq+0x27/0x80
[  392.267940]  ? _raw_spin_unlock_irq+0x27/0x80
[  392.272435]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  392.277013]  ? trace_hardirqs_on+0xbd/0x310
[  392.281331]  ? kasan_check_read+0x11/0x20
[  392.285476]  ? finish_task_switch+0x1f4/0x910
[  392.289967]  ? trace_hardirqs_off_caller+0x310/0x310
[  392.295069]  ? compat_start_thread+0x80/0x80
[  392.299490]  ? pvclock_read_flags+0x160/0x160
[  392.303990]  ? __switch_to_asm+0x34/0x70
[  392.308049]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.313586]  ? check_preemption_disabled+0x48/0x280
[  392.318606]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  392.324137]  ? rcu_pm_notify+0xc0/0xc0
[  392.328021]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.333558]  ? check_preemption_disabled+0x48/0x280
[  392.338574]  run_timer_softirq+0x52/0xb0
[  392.342630]  ? rcu_read_lock_sched_held+0x14f/0x180
[  392.347640]  __do_softirq+0x308/0xb7e
[  392.351448]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  392.356544]  ? trace_hardirqs_off+0xb8/0x310
[  392.360949]  ? rcu_irq_enter+0x18c/0x310
[  392.365009]  ? schedule+0x108/0x460
[  392.368635]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  392.373399]  ? trace_hardirqs_off+0xb8/0x310
[  392.377804]  ? smpboot_thread_fn+0x68b/0xa00
[  392.382207]  ? trace_hardirqs_on+0x310/0x310
[  392.386613]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  392.392144]  ? check_preemption_disabled+0x48/0x280
[  392.397159]  ? takeover_tasklets+0xa90/0xa90
[  392.401564]  run_ksoftirqd+0x5e/0x100
[  392.405363]  smpboot_thread_fn+0x68b/0xa00
[  392.409596]  ? sort_range+0x30/0x30
[  392.413222]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  392.418326]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  392.423860]  ? __kthread_parkme+0xfb/0x1a0
[  392.428095]  ? sort_range+0x30/0x30
[  392.431718]  kthread+0x35a/0x440
[  392.435081]  ? kthread_stop+0x900/0x900
[  392.439052]  ret_from_fork+0x3a/0x50
[  392.442781] warn_alloc_show_mem: 1 callbacks suppressed
[  392.442790] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  392.442791] Mem-Info:
[  392.442821] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  392.442821]  active_file:16 inactive_file:14 isolated_file:0
[  392.442821]  unevictable:0 dirty:0 writeback:0 unstable:0
[  392.442821]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  392.442821]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  392.442821]  free:13767 free_pcp:490 free_cma:0
[  392.448154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  392.448161] Call Trace:
[  392.455437] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  392.457830]  <IRQ>
[  392.490868] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  392.500219]  dump_stack+0x244/0x39d
[  392.502785] lowmem_reserve[]: 0 2818 6321 6321
[  392.530448]  ? dump_stack_print_info.cold.1+0x20/0x20
[  392.532571] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  392.558684]  warn_alloc.cold.116+0xb7/0x1bd
[  392.562287] lowmem_reserve[]: 0 0 3503 3503
[  392.566861]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  392.572019] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  392.599508]  ? lock_downgrade+0x900/0x900
[  392.603804] lowmem_reserve[]: 0 0 0 0
[  392.608117]  ? trace_hardirqs_off+0xb8/0x310
[  392.612928] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  392.642066]  ? trace_hardirqs_off+0xb8/0x310
[  392.646183] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  392.649983]  __alloc_pages_slowpath+0x26e8/0x2e10
[  392.654353] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  392.667982]  ? warn_alloc+0x120/0x120
[  392.672345] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  392.687673]  ? print_usage_bug+0xc0/0xc0
[  392.692500] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  392.707566]  ? warn_alloc+0x120/0x120
[  392.711342] 1997 total pagecache pages
[  392.720196]  ? warn_alloc+0x120/0x120
[  392.724233] 0 pages in swap cache
[  392.732964]  ? print_usage_bug+0xc0/0xc0
[  392.736748] Swap cache stats: add 0, delete 0, find 0/0
[  392.740621]  ? kvm_clock_read+0x18/0x30
[  392.744392] Free swap  = 0kB
[  392.747831]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  392.751862] Total swap = 0kB
[  392.757212]  ? print_usage_bug+0xc0/0xc0
[  392.761158] 1965979 pages RAM
[  392.764164]  ? __lock_acquire+0x62f/0x4c20
[  392.769154] 0 pages HighMem/MovableOnly
[  392.772161]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  392.776194] 342853 pages reserved
[  392.779288]  ? should_fail+0x22d/0xd01
[  392.783494] 0 pages cma reserved
[  392.787458]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  392.787475]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  392.793043] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  392.796421]  ? __lock_acquire+0x62f/0x4c20
[  392.800466] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  392.803753]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  392.808994] ksoftirqd/1 cpuset=/ mems_allowed=0
[  392.814086]  ? __lock_acquire+0x62f/0x4c20
[  392.849016]  ? should_fail+0x22d/0xd01
[  392.852899]  ? rcu_irq_exit+0x1a2/0x390
[  392.856881]  ? mark_held_locks+0x130/0x130
[  392.861118]  ? mark_held_locks+0x130/0x130
[  392.865351]  ? mark_held_locks+0xc7/0x130
[  392.869492]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  392.874505]  ? zap_class+0x640/0x640
[  392.878213]  ? print_usage_bug+0xc0/0xc0
[  392.882275]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.887810]  ? check_preemption_disabled+0x48/0x280
[  392.892836]  ? __lock_is_held+0xb5/0x140
[  392.896903]  __alloc_pages_nodemask+0xa80/0xde0
[  392.901568]  ? zap_class+0x640/0x640
[  392.905281]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  392.910301]  ? find_held_lock+0x36/0x1c0
[  392.914376]  ? ____cache_alloc_node+0x1c7/0x1e0
[  392.919039]  ? lock_downgrade+0x900/0x900
[  392.923189]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.928732]  cache_grow_begin+0xa5/0x8c0
[  392.932809]  ? do_raw_spin_unlock+0xa7/0x330
[  392.937220]  fallback_alloc+0x204/0x2e0
[  392.941206]  ____cache_alloc_node+0x1c7/0x1e0
[  392.945702]  kmem_cache_alloc_node+0xe3/0x730
[  392.950212]  ? ipv6_get_ifaddr+0x42e/0x620
[  392.954451]  __alloc_skb+0x119/0x770
[  392.958157]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  392.963449]  ? netdev_alloc_frag+0x1f0/0x1f0
[  392.967852]  ? lock_downgrade+0x900/0x900
[  392.972001]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.977537]  ? refcount_sub_and_test_checked+0x203/0x310
[  392.982984]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  392.988429]  ? addrconf_rs_timer+0x690/0x690
[  392.992839]  ndisc_alloc_skb+0x144/0x340
[  392.996898]  ndisc_send_rs+0x331/0x6e0
[  393.000797]  addrconf_rs_timer+0x314/0x690
[  393.005031]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.009272]  call_timer_fn+0x272/0x920
[  393.013151]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.017380]  ? process_timeout+0x40/0x40
[  393.021447]  ? __run_timers+0x7da/0xc70
[  393.025417]  ? _raw_spin_unlock_irq+0x27/0x80
[  393.029906]  ? _raw_spin_unlock_irq+0x27/0x80
[  393.034395]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.038642]  ? lockdep_hardirqs_on+0x296/0x5b0
[  393.043224]  ? trace_hardirqs_on+0xbd/0x310
[  393.047537]  ? kasan_check_read+0x11/0x20
[  393.051675]  ? __run_timers+0x7da/0xc70
[  393.055644]  ? trace_hardirqs_off_caller+0x310/0x310
[  393.060754]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.064992]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.069219]  __run_timers+0x7e5/0xc70
[  393.073032]  ? timer_fixup_init+0x70/0x70
[  393.077178]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  393.082191]  ? zap_class+0x640/0x640
[  393.085904]  ? enqueue_hrtimer+0x1a5/0x560
[  393.090142]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  393.095332]  ? find_held_lock+0x36/0x1c0
[  393.099395]  ? zap_class+0x640/0x640
[  393.103117]  ? pvclock_read_flags+0x160/0x160
[  393.107607]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.113162]  ? check_preemption_disabled+0x48/0x280
[  393.119154]  ? __lock_is_held+0xb5/0x140
[  393.123210]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.128749]  ? check_preemption_disabled+0x48/0x280
[  393.133771]  run_timer_softirq+0x52/0xb0
[  393.137833]  ? rcu_read_lock_sched_held+0x14f/0x180
[  393.142844]  __do_softirq+0x308/0xb7e
[  393.146643]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  393.151136]  ? lock_downgrade+0x900/0x900
[  393.155282]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  393.160488]  ? pvclock_read_flags+0x160/0x160
[  393.164977]  ? lapic_next_event+0x5a/0x90
[  393.169120]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.174655]  ? kvm_clock_read+0x18/0x30
[  393.178623]  ? kvm_sched_clock_read+0x9/0x20
[  393.183030]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.188577]  ? check_preemption_disabled+0x48/0x280
[  393.193594]  irq_exit+0x17f/0x1c0
[  393.197043]  smp_apic_timer_interrupt+0x1cb/0x760
[  393.201880]  ? smp_reschedule_interrupt+0x109/0x650
[  393.206890]  ? smp_call_function_single_interrupt+0x650/0x650
[  393.212768]  ? interrupt_entry+0xb5/0xc0
[  393.216826]  ? trace_hardirqs_off_caller+0xbb/0x310
[  393.221837]  ? trace_hardirqs_off_caller+0xbb/0x310
[  393.226853]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  393.231691]  ? trace_hardirqs_on_caller+0x310/0x310
[  393.236726]  ? trace_hardirqs_on_caller+0x310/0x310
[  393.241738]  ? task_prio+0x50/0x50
[  393.245275]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.250811]  ? check_preemption_disabled+0x48/0x280
[  393.255828]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  393.260676]  apic_timer_interrupt+0xf/0x20
[  393.264910]  </IRQ>
[  393.267144] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  393.272086] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  393.290980] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  393.298768] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  393.306029] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  393.313296] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  393.320560] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  393.327821] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  393.335122]  skb_clone+0x1bb/0x500
[  393.338656]  ? finish_task_switch+0x2f4/0x910
[  393.343155]  ? skb_split+0x11e0/0x11e0
[  393.347037]  ? preempt_notifier_register+0x200/0x200
[  393.352135]  ? __switch_to_asm+0x34/0x70
[  393.356191]  ? __switch_to_asm+0x34/0x70
[  393.360249]  ? __switch_to_asm+0x40/0x70
[  393.364301]  ? __switch_to_asm+0x34/0x70
[  393.368356]  ? __switch_to_asm+0x40/0x70
[  393.372411]  ? __switch_to_asm+0x34/0x70
[  393.376464]  ? __switch_to_asm+0x40/0x70
[  393.380519]  ? __switch_to_asm+0x34/0x70
[  393.384572]  ? __switch_to_asm+0x34/0x70
[  393.388628]  ? __switch_to_asm+0x40/0x70
[  393.392687]  ? __switch_to_asm+0x34/0x70
[  393.396766]  bpf_clone_redirect+0xb9/0x490
[  393.400994]  ? __schedule+0x8d7/0x21d0
[  393.404887]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  393.409814]  ? __sched_text_start+0x8/0x8
[  393.413959]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  393.418532]  ? retint_kernel+0x2d/0x2d
[  393.422415]  ? trace_hardirqs_on_caller+0xc0/0x310
[  393.427347]  ? find_held_lock+0x36/0x1c0
[  393.431410]  ? lock_acquire+0x1ed/0x520
[  393.435379]  ? bpf_test_run+0x3cb/0x780
[  393.439353]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.444884]  ? check_preemption_disabled+0x48/0x280
[  393.449903]  ? kasan_check_read+0x11/0x20
[  393.454044]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  393.459315]  ? rcu_softirq_qs+0x20/0x20
[  393.463284]  ? preempt_schedule+0x4d/0x60
[  393.467424]  ? ___preempt_schedule+0x16/0x18
[  393.471833]  ? bpf_test_run+0x25d/0x780
[  393.475822]  ? netlink_diag_dump+0x2a0/0x2a0
[  393.480230]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  393.485761]  ? bpf_test_init.isra.10+0x70/0x100
[  393.490428]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  393.495188]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  393.500033]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  393.505564]  ? fput+0x130/0x1a0
[  393.508840]  ? __bpf_prog_get+0x9b/0x290
[  393.512902]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  393.517737]  ? bpf_prog_test_run+0x130/0x1a0
[  393.522146]  ? __x64_sys_bpf+0x3d8/0x520
[  393.526204]  ? bpf_prog_get+0x20/0x20
[  393.530020]  ? do_syscall_64+0x1b9/0x820
[  393.534072]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  393.539431]  ? syscall_return_slowpath+0x5e0/0x5e0
[  393.544361]  ? trace_hardirqs_on_caller+0x310/0x310
[  393.549372]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  393.554396]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  393.561053]  ? __switch_to_asm+0x40/0x70
[  393.565106]  ? __switch_to_asm+0x34/0x70
[  393.569167]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  393.574011]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  393.579391] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  393.579451] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  393.586230] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  393.586237] Call Trace:
[  393.592827] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  393.602063]  dump_stack+0x244/0x39d
[  393.604621] syz-executor4 cpuset=syz4 mems_allowed=0
[  393.615094]  ? dump_stack_print_info.cold.1+0x20/0x20
[  393.628991]  warn_alloc.cold.116+0xb7/0x1bd
[  393.633314]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  393.638163]  ? lock_downgrade+0x900/0x900
[  393.642314]  ? trace_hardirqs_off+0xb8/0x310
[  393.646726]  ? trace_hardirqs_off+0xb8/0x310
[  393.651135]  __alloc_pages_slowpath+0x26e8/0x2e10
[  393.656102]  ? warn_alloc+0x120/0x120
[  393.659898]  ? print_usage_bug+0xc0/0xc0
[  393.663954]  ? warn_alloc+0x120/0x120
[  393.667755]  ? warn_alloc+0x120/0x120
[  393.671554]  ? print_usage_bug+0xc0/0xc0
[  393.675615]  ? print_usage_bug+0xc0/0xc0
[  393.679769]  ? __lock_acquire+0x62f/0x4c20
[  393.684004]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  393.689537]  ? should_fail+0x22d/0xd01
[  393.693424]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  393.698522]  ? __lock_acquire+0x62f/0x4c20
[  393.702764]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  393.707860]  ? __lock_acquire+0x62f/0x4c20
[  393.712088]  ? should_fail+0x22d/0xd01
[  393.715972]  ? find_held_lock+0x36/0x1c0
[  393.720045]  ? mark_held_locks+0x130/0x130
[  393.724278]  ? mark_held_locks+0x130/0x130
[  393.728537]  ? zap_class+0x640/0x640
[  393.732251]  ? mark_held_locks+0xc7/0x130
[  393.736390]  ? do_raw_spin_unlock+0xa7/0x330
[  393.740796]  ? zap_class+0x640/0x640
[  393.744509]  ? print_usage_bug+0xc0/0xc0
[  393.748568]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.754102]  ? check_preemption_disabled+0x48/0x280
[  393.759122]  ? __lock_is_held+0xb5/0x140
[  393.763187]  __alloc_pages_nodemask+0xa80/0xde0
[  393.767852]  ? zap_class+0x640/0x640
[  393.771571]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  393.776590]  ? find_held_lock+0x36/0x1c0
[  393.780663]  ? ____cache_alloc_node+0x1c7/0x1e0
[  393.785327]  ? lock_downgrade+0x900/0x900
[  393.789475]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.795013]  cache_grow_begin+0xa5/0x8c0
[  393.799069]  ? do_raw_spin_unlock+0xa7/0x330
[  393.803479]  fallback_alloc+0x204/0x2e0
[  393.807452]  ____cache_alloc_node+0x1c7/0x1e0
[  393.811990]  kmem_cache_alloc_node+0xe3/0x730
[  393.816481]  ? ipv6_get_ifaddr+0x42e/0x620
[  393.820725]  __alloc_skb+0x119/0x770
[  393.824437]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  393.829715]  ? netdev_alloc_frag+0x1f0/0x1f0
[  393.834118]  ? lock_downgrade+0x900/0x900
[  393.838270]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.843804]  ? refcount_sub_and_test_checked+0x203/0x310
[  393.849254]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  393.854699]  ? addrconf_rs_timer+0x690/0x690
[  393.859112]  ndisc_alloc_skb+0x144/0x340
[  393.863178]  ndisc_send_rs+0x331/0x6e0
[  393.867069]  addrconf_rs_timer+0x314/0x690
[  393.871323]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.875565]  call_timer_fn+0x272/0x920
[  393.879446]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.883681]  ? process_timeout+0x40/0x40
[  393.887745]  ? __run_timers+0x7da/0xc70
[  393.891717]  ? _raw_spin_unlock_irq+0x27/0x80
[  393.896208]  ? _raw_spin_unlock_irq+0x27/0x80
[  393.900694]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.904924]  ? lockdep_hardirqs_on+0x296/0x5b0
[  393.909502]  ? trace_hardirqs_on+0xbd/0x310
[  393.913820]  ? kasan_check_read+0x11/0x20
[  393.917979]  ? __run_timers+0x7da/0xc70
[  393.921948]  ? trace_hardirqs_off_caller+0x310/0x310
[  393.927052]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.931286]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.935515]  __run_timers+0x7e5/0xc70
[  393.939320]  ? timer_fixup_init+0x70/0x70
[  393.943462]  ? _raw_spin_unlock_irq+0x27/0x80
[  393.947957]  ? _raw_spin_unlock_irq+0x27/0x80
[  393.952453]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  393.957036]  ? trace_hardirqs_on+0xbd/0x310
[  393.961350]  ? kasan_check_read+0x11/0x20
[  393.965494]  ? finish_task_switch+0x1f4/0x910
[  393.969983]  ? trace_hardirqs_off_caller+0x310/0x310
[  393.975311]  ? compat_start_thread+0x80/0x80
[  393.979741]  ? pvclock_read_flags+0x160/0x160
[  393.984230]  ? __switch_to_asm+0x34/0x70
[  393.988290]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.993826]  ? check_preemption_disabled+0x48/0x280
[  393.998852]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  394.004391]  ? rcu_pm_notify+0xc0/0xc0
[  394.008276]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.013808]  ? check_preemption_disabled+0x48/0x280
[  394.018825]  run_timer_softirq+0x52/0xb0
[  394.022904]  ? rcu_read_lock_sched_held+0x14f/0x180
[  394.027917]  __do_softirq+0x308/0xb7e
[  394.031723]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  394.036828]  ? trace_hardirqs_off+0xb8/0x310
[  394.041231]  ? rcu_irq_enter+0x18c/0x310
[  394.045291]  ? schedule+0x108/0x460
[  394.048914]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  394.053679]  ? trace_hardirqs_off+0xb8/0x310
[  394.058086]  ? smpboot_thread_fn+0x68b/0xa00
[  394.062489]  ? trace_hardirqs_on+0x310/0x310
[  394.066893]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  394.072726]  ? check_preemption_disabled+0x48/0x280
[  394.077740]  ? takeover_tasklets+0xa90/0xa90
[  394.082166]  run_ksoftirqd+0x5e/0x100
[  394.085964]  smpboot_thread_fn+0x68b/0xa00
[  394.090202]  ? sort_range+0x30/0x30
[  394.093843]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  394.098941]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  394.104475]  ? __kthread_parkme+0xfb/0x1a0
[  394.108711]  ? sort_range+0x30/0x30
[  394.112332]  kthread+0x35a/0x440
[  394.115698]  ? kthread_stop+0x900/0x900
[  394.119671]  ret_from_fork+0x3a/0x50
[  394.123397] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  394.123402] warn_alloc_show_mem: 1 callbacks suppressed
[  394.123408] Mem-Info:
[  394.130681] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  394.136046] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  394.136046]  active_file:16 inactive_file:14 isolated_file:0
[  394.136046]  unevictable:0 dirty:0 writeback:0 unstable:0
[  394.136046]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  394.136046]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  394.136046]  free:13767 free_pcp:490 free_cma:0
[  394.138418] Call Trace:
[  394.148287] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  394.181887]  <IRQ>
[  394.184453] 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
[  394.212122]  dump_stack+0x244/0x39d
[  394.214237] lowmem_reserve[]: 0 2818 6321 6321
[  394.240341]  ? dump_stack_print_info.cold.1+0x20/0x20
[  394.243935] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  394.248515]  warn_alloc.cold.116+0xb7/0x1bd
[  394.253661] lowmem_reserve[]: 0 0 3503 3503
[  394.281243]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  394.285538] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  394.289853]  ? lock_downgrade+0x900/0x900
[  394.294666] lowmem_reserve[]: 0 0 0 0
[  394.323821]  ? trace_hardirqs_off+0xb8/0x310
[  394.327935] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  394.331732]  ? trace_hardirqs_off+0xb8/0x310
[  394.336195] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  394.349713]  __alloc_pages_slowpath+0x26e8/0x2e10
[  394.354084] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  394.369452]  ? warn_alloc+0x120/0x120
[  394.374337] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  394.389402]  ? print_usage_bug+0xc0/0xc0
[  394.393180] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  394.401994]  ? warn_alloc+0x120/0x120
[  394.406030] 1997 total pagecache pages
[  394.414591]  ? warn_alloc+0x120/0x120
[  394.418371] 0 pages in swap cache
[  394.422237]  ? print_usage_bug+0xc0/0xc0
[  394.426012] Swap cache stats: add 0, delete 0, find 0/0
[  394.429450]  ? kvm_clock_read+0x18/0x30
[  394.433480] Free swap  = 0kB
[  394.438828]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  394.442770] Total swap = 0kB
[  394.445778]  ? print_usage_bug+0xc0/0xc0
[  394.450772] 1965979 pages RAM
[  394.453780]  ? __lock_acquire+0x62f/0x4c20
[  394.457808] 0 pages HighMem/MovableOnly
[  394.457816] 342853 pages reserved
[  394.460912]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  394.465114] 0 pages cma reserved
[  394.469077]  ? should_fail+0x22d/0xd01
[  394.472557] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  394.478026]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  394.481442] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  394.485241]  ? __lock_acquire+0x62f/0x4c20
[  394.491701] ksoftirqd/1 cpuset=/ mems_allowed=0
[  394.496792]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  394.521052]  ? __lock_acquire+0x62f/0x4c20
[  394.525284]  ? should_fail+0x22d/0xd01
[  394.529191]  ? mark_held_locks+0x130/0x130
[  394.533441]  ? mark_held_locks+0x130/0x130
[  394.537684]  ? try_to_wake_up+0x11c/0x1490
[  394.541925]  ? lock_downgrade+0x900/0x900
[  394.546068]  ? zap_class+0x640/0x640
[  394.549778]  ? print_usage_bug+0xc0/0xc0
[  394.553833]  ? trace_hardirqs_off+0xb8/0x310
[  394.558236]  ? kasan_check_read+0x11/0x20
[  394.562381]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.567913]  ? check_preemption_disabled+0x48/0x280
[  394.572932]  ? __lock_is_held+0xb5/0x140
[  394.576994]  __alloc_pages_nodemask+0xa80/0xde0
[  394.581662]  ? zap_class+0x640/0x640
[  394.585375]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  394.590395]  ? find_held_lock+0x36/0x1c0
[  394.594461]  ? ____cache_alloc_node+0x1c7/0x1e0
[  394.599129]  ? lock_downgrade+0x900/0x900
[  394.603366]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.608901]  cache_grow_begin+0xa5/0x8c0
[  394.612955]  ? do_raw_spin_unlock+0xa7/0x330
[  394.617363]  fallback_alloc+0x204/0x2e0
[  394.621337]  ____cache_alloc_node+0x1c7/0x1e0
[  394.625832]  kmem_cache_alloc_node+0xe3/0x730
[  394.630322]  ? ipv6_get_ifaddr+0x42e/0x620
[  394.634562]  __alloc_skb+0x119/0x770
[  394.638273]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  394.643561]  ? netdev_alloc_frag+0x1f0/0x1f0
[  394.647980]  ? lock_downgrade+0x900/0x900
[  394.652128]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.657668]  ? refcount_sub_and_test_checked+0x203/0x310
[  394.663115]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  394.668558]  ? addrconf_rs_timer+0x690/0x690
[  394.673394]  ndisc_alloc_skb+0x144/0x340
[  394.677454]  ndisc_send_rs+0x331/0x6e0
[  394.681341]  addrconf_rs_timer+0x314/0x690
[  394.685580]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  394.689830]  call_timer_fn+0x272/0x920
[  394.693713]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  394.697941]  ? process_timeout+0x40/0x40
[  394.702003]  ? __run_timers+0x7da/0xc70
[  394.705975]  ? _raw_spin_unlock_irq+0x27/0x80
[  394.710466]  ? _raw_spin_unlock_irq+0x27/0x80
[  394.714952]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  394.719187]  ? lockdep_hardirqs_on+0x296/0x5b0
[  394.723768]  ? trace_hardirqs_on+0xbd/0x310
[  394.728087]  ? kasan_check_read+0x11/0x20
[  394.732226]  ? __run_timers+0x7da/0xc70
[  394.736205]  ? trace_hardirqs_off_caller+0x310/0x310
[  394.741312]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  394.745537]  __run_timers+0x7e5/0xc70
[  394.749340]  ? timer_fixup_init+0x70/0x70
[  394.753483]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  394.758494]  ? zap_class+0x640/0x640
[  394.762205]  ? enqueue_hrtimer+0x1a5/0x560
[  394.766440]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  394.771630]  ? find_held_lock+0x36/0x1c0
[  394.775692]  ? zap_class+0x640/0x640
[  394.779406]  ? pvclock_read_flags+0x160/0x160
[  394.783898]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.789434]  ? check_preemption_disabled+0x48/0x280
[  394.794456]  ? __lock_is_held+0xb5/0x140
[  394.798512]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.804052]  ? check_preemption_disabled+0x48/0x280
[  394.809066]  run_timer_softirq+0x52/0xb0
[  394.813124]  ? rcu_read_lock_sched_held+0x14f/0x180
[  394.818149]  __do_softirq+0x308/0xb7e
[  394.821945]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  394.826432]  ? lock_downgrade+0x900/0x900
[  394.830602]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  394.835715]  ? pvclock_read_flags+0x160/0x160
[  394.840206]  ? lapic_next_event+0x5a/0x90
[  394.844348]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.849886]  ? kvm_clock_read+0x18/0x30
[  394.853866]  ? kvm_sched_clock_read+0x9/0x20
[  394.858274]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.863805]  ? check_preemption_disabled+0x48/0x280
[  394.868824]  irq_exit+0x17f/0x1c0
[  394.872275]  smp_apic_timer_interrupt+0x1cb/0x760
[  394.877111]  ? smp_reschedule_interrupt+0x109/0x650
[  394.882124]  ? smp_call_function_single_interrupt+0x650/0x650
[  394.888091]  ? interrupt_entry+0xb5/0xc0
[  394.892151]  ? trace_hardirqs_off_caller+0xbb/0x310
[  394.897159]  ? trace_hardirqs_off_caller+0xbb/0x310
[  394.902170]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  394.907007]  ? trace_hardirqs_on_caller+0x310/0x310
[  394.912044]  ? trace_hardirqs_on_caller+0x310/0x310
[  394.917052]  ? task_prio+0x50/0x50
[  394.920596]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.926132]  ? check_preemption_disabled+0x48/0x280
[  394.931147]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  394.935993]  apic_timer_interrupt+0xf/0x20
[  394.940216]  </IRQ>
[  394.942453] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  394.947382] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  394.966279] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  394.973982] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  394.981334] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  394.988602] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  394.995864] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  395.003129] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  395.010431]  skb_clone+0x1bb/0x500
[  395.013965]  ? finish_task_switch+0x2f4/0x910
[  395.018484]  ? skb_split+0x11e0/0x11e0
[  395.022374]  ? preempt_notifier_register+0x200/0x200
[  395.027471]  ? __switch_to_asm+0x34/0x70
[  395.031524]  ? __switch_to_asm+0x34/0x70
[  395.035591]  ? __switch_to_asm+0x40/0x70
[  395.039646]  ? __switch_to_asm+0x34/0x70
[  395.043697]  ? __switch_to_asm+0x40/0x70
[  395.047749]  ? __switch_to_asm+0x34/0x70
[  395.051806]  ? __switch_to_asm+0x40/0x70
[  395.055857]  ? __switch_to_asm+0x34/0x70
[  395.059911]  ? __switch_to_asm+0x34/0x70
[  395.063962]  ? __switch_to_asm+0x40/0x70
[  395.068019]  ? __switch_to_asm+0x34/0x70
[  395.072084]  bpf_clone_redirect+0xb9/0x490
[  395.076318]  ? __schedule+0x8d7/0x21d0
[  395.080207]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  395.085137]  ? __sched_text_start+0x8/0x8
[  395.089284]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  395.093862]  ? retint_kernel+0x2d/0x2d
[  395.097743]  ? trace_hardirqs_on_caller+0xc0/0x310
[  395.102680]  ? find_held_lock+0x36/0x1c0
[  395.106745]  ? lock_acquire+0x1ed/0x520
[  395.110713]  ? bpf_test_run+0x3cb/0x780
[  395.114684]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.120220]  ? check_preemption_disabled+0x48/0x280
[  395.125235]  ? kasan_check_read+0x11/0x20
[  395.129377]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  395.134647]  ? rcu_softirq_qs+0x20/0x20
[  395.138617]  ? preempt_schedule+0x4d/0x60
[  395.142761]  ? ___preempt_schedule+0x16/0x18
[  395.147170]  ? bpf_test_run+0x25d/0x780
[  395.151153]  ? netlink_diag_dump+0x2a0/0x2a0
[  395.155563]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  395.161102]  ? bpf_test_init.isra.10+0x70/0x100
[  395.165769]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  395.170529]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  395.175374]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  395.180903]  ? fput+0x130/0x1a0
[  395.184178]  ? __bpf_prog_get+0x9b/0x290
[  395.188240]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  395.193073]  ? bpf_prog_test_run+0x130/0x1a0
[  395.197478]  ? __x64_sys_bpf+0x3d8/0x520
[  395.201537]  ? bpf_prog_get+0x20/0x20
[  395.205368]  ? do_syscall_64+0x1b9/0x820
[  395.209421]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  395.214783]  ? syscall_return_slowpath+0x5e0/0x5e0
[  395.219709]  ? trace_hardirqs_on_caller+0x310/0x310
[  395.224726]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  395.229740]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  395.236399]  ? __switch_to_asm+0x40/0x70
[  395.240452]  ? __switch_to_asm+0x34/0x70
[  395.244510]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  395.249360]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  395.254739] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  395.254802] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  395.261596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  395.261601] Call Trace:
[  395.261621]  dump_stack+0x244/0x39d
[  395.261641]  ? dump_stack_print_info.cold.1+0x20/0x20
[  395.268149] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  395.277457]  warn_alloc.cold.116+0xb7/0x1bd
[  395.280005] syz-executor4 cpuset=syz4 mems_allowed=0
[  395.283623]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  395.313482]  ? lock_downgrade+0x900/0x900
[  395.317634]  ? trace_hardirqs_off+0xb8/0x310
[  395.322043]  ? trace_hardirqs_off+0xb8/0x310
[  395.326460]  __alloc_pages_slowpath+0x26e8/0x2e10
[  395.331326]  ? warn_alloc+0x120/0x120
[  395.335123]  ? print_usage_bug+0xc0/0xc0
[  395.339180]  ? warn_alloc+0x120/0x120
[  395.342983]  ? warn_alloc+0x120/0x120
[  395.346779]  ? print_usage_bug+0xc0/0xc0
[  395.350839]  ? print_usage_bug+0xc0/0xc0
[  395.354894]  ? __lock_acquire+0x62f/0x4c20
[  395.359128]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  395.364660]  ? should_fail+0x22d/0xd01
[  395.368553]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  395.373655]  ? __lock_acquire+0x62f/0x4c20
[  395.377889]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  395.382984]  ? __lock_acquire+0x62f/0x4c20
[  395.387210]  ? should_fail+0x22d/0xd01
[  395.391093]  ? find_held_lock+0x36/0x1c0
[  395.395161]  ? mark_held_locks+0x130/0x130
[  395.399396]  ? mark_held_locks+0x130/0x130
[  395.403627]  ? zap_class+0x640/0x640
[  395.407345]  ? mark_held_locks+0xc7/0x130
[  395.411491]  ? do_raw_spin_unlock+0xa7/0x330
[  395.415893]  ? zap_class+0x640/0x640
[  395.419602]  ? print_usage_bug+0xc0/0xc0
[  395.423666]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.429198]  ? check_preemption_disabled+0x48/0x280
[  395.434216]  ? __lock_is_held+0xb5/0x140
[  395.438279]  __alloc_pages_nodemask+0xa80/0xde0
[  395.442942]  ? zap_class+0x640/0x640
[  395.446656]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  395.451678]  ? find_held_lock+0x36/0x1c0
[  395.455749]  ? ____cache_alloc_node+0x1c7/0x1e0
[  395.460415]  ? lock_downgrade+0x900/0x900
[  395.464568]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.470119]  cache_grow_begin+0xa5/0x8c0
[  395.474175]  ? do_raw_spin_unlock+0xa7/0x330
[  395.478590]  fallback_alloc+0x204/0x2e0
[  395.482582]  ____cache_alloc_node+0x1c7/0x1e0
[  395.487078]  kmem_cache_alloc_node+0xe3/0x730
[  395.491687]  ? ipv6_get_ifaddr+0x42e/0x620
[  395.495930]  __alloc_skb+0x119/0x770
[  395.499638]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  395.504913]  ? netdev_alloc_frag+0x1f0/0x1f0
[  395.509313]  ? lock_downgrade+0x900/0x900
[  395.513461]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.519011]  ? refcount_sub_and_test_checked+0x203/0x310
[  395.524463]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  395.529907]  ? addrconf_rs_timer+0x690/0x690
[  395.534321]  ndisc_alloc_skb+0x144/0x340
[  395.538382]  ndisc_send_rs+0x331/0x6e0
[  395.542271]  addrconf_rs_timer+0x314/0x690
[  395.546503]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.550748]  call_timer_fn+0x272/0x920
[  395.554630]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.558858]  ? process_timeout+0x40/0x40
[  395.562921]  ? __run_timers+0x7da/0xc70
[  395.566890]  ? _raw_spin_unlock_irq+0x27/0x80
[  395.571379]  ? _raw_spin_unlock_irq+0x27/0x80
[  395.575866]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.580095]  ? lockdep_hardirqs_on+0x296/0x5b0
[  395.584686]  ? trace_hardirqs_on+0xbd/0x310
[  395.589001]  ? kasan_check_read+0x11/0x20
[  395.593139]  ? __run_timers+0x7da/0xc70
[  395.597107]  ? trace_hardirqs_off_caller+0x310/0x310
[  395.602214]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.606452]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.610679]  __run_timers+0x7e5/0xc70
[  395.614485]  ? timer_fixup_init+0x70/0x70
[  395.618642]  ? _raw_spin_unlock_irq+0x27/0x80
[  395.623135]  ? _raw_spin_unlock_irq+0x27/0x80
[  395.627630]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  395.632208]  ? trace_hardirqs_on+0xbd/0x310
[  395.636530]  ? kasan_check_read+0x11/0x20
[  395.640675]  ? finish_task_switch+0x1f4/0x910
[  395.645167]  ? trace_hardirqs_off_caller+0x310/0x310
[  395.650262]  ? compat_start_thread+0x80/0x80
[  395.654700]  ? pvclock_read_flags+0x160/0x160
[  395.659187]  ? __switch_to_asm+0x34/0x70
[  395.663245]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.668779]  ? check_preemption_disabled+0x48/0x280
[  395.673797]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  395.679330]  ? rcu_pm_notify+0xc0/0xc0
[  395.683214]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.688749]  ? check_preemption_disabled+0x48/0x280
[  395.693767]  run_timer_softirq+0x52/0xb0
[  395.697826]  ? rcu_read_lock_sched_held+0x14f/0x180
[  395.702837]  __do_softirq+0x308/0xb7e
[  395.706642]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  395.711745]  ? trace_hardirqs_off+0xb8/0x310
[  395.716147]  ? rcu_irq_enter+0x18c/0x310
[  395.720207]  ? schedule+0x108/0x460
[  395.723829]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  395.728591]  ? trace_hardirqs_off+0xb8/0x310
[  395.732998]  ? smpboot_thread_fn+0x68b/0xa00
[  395.737405]  ? trace_hardirqs_on+0x310/0x310
[  395.741829]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  395.747365]  ? check_preemption_disabled+0x48/0x280
[  395.752376]  ? takeover_tasklets+0xa90/0xa90
[  395.756783]  run_ksoftirqd+0x5e/0x100
[  395.760586]  smpboot_thread_fn+0x68b/0xa00
[  395.764818]  ? sort_range+0x30/0x30
[  395.768440]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  395.773539]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  395.779073]  ? __kthread_parkme+0xfb/0x1a0
[  395.783305]  ? sort_range+0x30/0x30
[  395.786933]  kthread+0x35a/0x440
[  395.790298]  ? kthread_stop+0x900/0x900
[  395.794267]  ret_from_fork+0x3a/0x50
[  395.797987] warn_alloc_show_mem: 1 callbacks suppressed
[  395.797997] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  395.797999] Mem-Info:
[  395.798034] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  395.798034]  active_file:16 inactive_file:14 isolated_file:0
[  395.798034]  unevictable:0 dirty:0 writeback:0 unstable:0
[  395.798034]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  395.798034]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  395.798034]  free:13767 free_pcp:490 free_cma:0
[  395.803357] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  395.803364] Call Trace:
[  395.810635] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  395.813030]  <IRQ>
[  395.846063] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  395.855412]  dump_stack+0x244/0x39d
[  395.857982] lowmem_reserve[]: 0 2818 6321 6321
[  395.885721]  ? dump_stack_print_info.cold.1+0x20/0x20
[  395.887942] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  395.914050]  warn_alloc.cold.116+0xb7/0x1bd
[  395.917637] lowmem_reserve[]: 0 0 3503 3503
[  395.922214]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  395.927379] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  395.954869]  ? lock_downgrade+0x900/0x900
[  395.959163] lowmem_reserve[]: 0 0 0 0
[  395.963479]  ? trace_hardirqs_off+0xb8/0x310
[  395.968294] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  395.997960]  ? trace_hardirqs_off+0xb8/0x310
[  396.002079] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  396.005875]  __alloc_pages_slowpath+0x26e8/0x2e10
[  396.010246] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  396.023782]  ? warn_alloc+0x120/0x120
[  396.028231] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  396.043560]  ? print_usage_bug+0xc0/0xc0
[  396.048375] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  396.063445]  ? warn_alloc+0x120/0x120
[  396.067216] 1997 total pagecache pages
[  396.076041]  ? warn_alloc+0x120/0x120
[  396.080077] 0 pages in swap cache
[  396.088633]  ? print_usage_bug+0xc0/0xc0
[  396.092405] Swap cache stats: add 0, delete 0, find 0/0
[  396.096279]  ? print_usage_bug+0xc0/0xc0
[  396.100048] Free swap  = 0kB
[  396.103502]  ? __lock_acquire+0x62f/0x4c20
[  396.107535] Total swap = 0kB
[  396.112902]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  396.116929] 1965979 pages RAM
[  396.119936]  ? should_fail+0x22d/0xd01
[  396.124140] 0 pages HighMem/MovableOnly
[  396.127150]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  396.132656] 342853 pages reserved
[  396.132663] 0 pages cma reserved
[  396.135757]  ? __lock_acquire+0x62f/0x4c20
[  396.139673] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  396.143936]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  396.149112] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  396.152455]  ? __lock_acquire+0x62f/0x4c20
[  396.155793] ksoftirqd/1 cpuset=/ mems_allowed=0
[  396.160028]  ? should_fail+0x22d/0xd01
[  396.160043]  ? find_held_lock+0x36/0x1c0
[  396.198680]  ? mark_held_locks+0x130/0x130
[  396.202916]  ? mark_held_locks+0x130/0x130
[  396.207143]  ? zap_class+0x640/0x640
[  396.210850]  ? zap_class+0x640/0x640
[  396.214558]  ? print_usage_bug+0xc0/0xc0
[  396.218616]  ? do_raw_spin_unlock+0xa7/0x330
[  396.223018]  ? zap_class+0x640/0x640
[  396.226729]  ? print_usage_bug+0xc0/0xc0
[  396.230782]  ? wq_watchdog_touch+0x9c/0xfe
[  396.235015]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.240549]  ? check_preemption_disabled+0x48/0x280
[  396.245569]  ? __lock_is_held+0xb5/0x140
[  396.249628]  __alloc_pages_nodemask+0xa80/0xde0
[  396.254294]  ? zap_class+0x640/0x640
[  396.258006]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  396.263027]  ? find_held_lock+0x36/0x1c0
[  396.267091]  ? ____cache_alloc_node+0x1c7/0x1e0
[  396.271756]  ? lock_downgrade+0x900/0x900
[  396.275904]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.281439]  cache_grow_begin+0xa5/0x8c0
[  396.285505]  ? do_raw_spin_unlock+0xa7/0x330
[  396.289918]  fallback_alloc+0x204/0x2e0
[  396.293897]  ____cache_alloc_node+0x1c7/0x1e0
[  396.298393]  kmem_cache_alloc_node+0xe3/0x730
[  396.302886]  ? ipv6_get_ifaddr+0x42e/0x620
[  396.307125]  __alloc_skb+0x119/0x770
[  396.310832]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  396.316106]  ? netdev_alloc_frag+0x1f0/0x1f0
[  396.320509]  ? lock_downgrade+0x900/0x900
[  396.324657]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.330190]  ? refcount_sub_and_test_checked+0x203/0x310
[  396.335639]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  396.341088]  ? addrconf_rs_timer+0x690/0x690
[  396.345504]  ndisc_alloc_skb+0x144/0x340
[  396.349566]  ndisc_send_rs+0x331/0x6e0
[  396.353453]  addrconf_rs_timer+0x314/0x690
[  396.357698]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  396.361937]  call_timer_fn+0x272/0x920
[  396.365823]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  396.370050]  ? process_timeout+0x40/0x40
[  396.374112]  ? __run_timers+0x7da/0xc70
[  396.378082]  ? _raw_spin_unlock_irq+0x27/0x80
[  396.382573]  ? _raw_spin_unlock_irq+0x27/0x80
[  396.387063]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  396.391296]  ? lockdep_hardirqs_on+0x296/0x5b0
[  396.395876]  ? trace_hardirqs_on+0xbd/0x310
[  396.400192]  ? kasan_check_read+0x11/0x20
[  396.404329]  ? __run_timers+0x7da/0xc70
[  396.408297]  ? trace_hardirqs_off_caller+0x310/0x310
[  396.413399]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  396.417632]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  396.421861]  __run_timers+0x7e5/0xc70
[  396.425669]  ? timer_fixup_init+0x70/0x70
[  396.429820]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  396.434830]  ? zap_class+0x640/0x640
[  396.438540]  ? enqueue_hrtimer+0x1a5/0x560
[  396.442768]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  396.447957]  ? find_held_lock+0x36/0x1c0
[  396.452020]  ? zap_class+0x640/0x640
[  396.455730]  ? pvclock_read_flags+0x160/0x160
[  396.460218]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.465754]  ? check_preemption_disabled+0x48/0x280
[  396.470776]  ? __lock_is_held+0xb5/0x140
[  396.474835]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.480368]  ? check_preemption_disabled+0x48/0x280
[  396.485383]  run_timer_softirq+0x52/0xb0
[  396.489439]  ? rcu_read_lock_sched_held+0x14f/0x180
[  396.494470]  __do_softirq+0x308/0xb7e
[  396.498269]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  396.502758]  ? lock_downgrade+0x900/0x900
[  396.506903]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  396.512012]  ? pvclock_read_flags+0x160/0x160
[  396.516502]  ? lapic_next_event+0x5a/0x90
[  396.520647]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.526205]  ? kvm_clock_read+0x18/0x30
[  396.530179]  ? kvm_sched_clock_read+0x9/0x20
[  396.534582]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.540115]  ? check_preemption_disabled+0x48/0x280
[  396.545134]  irq_exit+0x17f/0x1c0
[  396.548582]  smp_apic_timer_interrupt+0x1cb/0x760
[  396.553417]  ? smp_reschedule_interrupt+0x109/0x650
[  396.558436]  ? smp_call_function_single_interrupt+0x650/0x650
[  396.564327]  ? interrupt_entry+0xb5/0xc0
[  396.568385]  ? trace_hardirqs_off_caller+0xbb/0x310
[  396.573397]  ? trace_hardirqs_off_caller+0xbb/0x310
[  396.578412]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  396.583256]  ? trace_hardirqs_on_caller+0x310/0x310
[  396.588266]  ? trace_hardirqs_on_caller+0x310/0x310
[  396.593275]  ? task_prio+0x50/0x50
[  396.596813]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.602346]  ? check_preemption_disabled+0x48/0x280
[  396.607360]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  396.612206]  apic_timer_interrupt+0xf/0x20
[  396.616444]  </IRQ>
[  396.618683] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  396.623608] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  396.642501] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  396.650201] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  396.657469] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  396.664731] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  396.671992] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  396.679252] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  396.686550]  skb_clone+0x1bb/0x500
[  396.690083]  ? finish_task_switch+0x2f4/0x910
[  396.694575]  ? skb_split+0x11e0/0x11e0
[  396.698464]  ? preempt_notifier_register+0x200/0x200
[  396.703563]  ? __switch_to_asm+0x34/0x70
[  396.707621]  ? __switch_to_asm+0x34/0x70
[  396.711681]  ? __switch_to_asm+0x40/0x70
[  396.715736]  ? __switch_to_asm+0x34/0x70
[  396.719801]  ? __switch_to_asm+0x40/0x70
[  396.723850]  ? __switch_to_asm+0x34/0x70
[  396.727901]  ? __switch_to_asm+0x40/0x70
[  396.731956]  ? __switch_to_asm+0x34/0x70
[  396.736010]  ? __switch_to_asm+0x34/0x70
[  396.740063]  ? __switch_to_asm+0x40/0x70
[  396.744125]  ? __switch_to_asm+0x34/0x70
[  396.748187]  bpf_clone_redirect+0xb9/0x490
[  396.752415]  ? __schedule+0x8d7/0x21d0
[  396.756312]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  396.761236]  ? __sched_text_start+0x8/0x8
[  396.765380]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  396.769953]  ? retint_kernel+0x2d/0x2d
[  396.773834]  ? trace_hardirqs_on_caller+0xc0/0x310
[  396.778761]  ? find_held_lock+0x36/0x1c0
[  396.782823]  ? lock_acquire+0x1ed/0x520
[  396.786791]  ? bpf_test_run+0x3cb/0x780
[  396.790759]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.796295]  ? check_preemption_disabled+0x48/0x280
[  396.801308]  ? kasan_check_read+0x11/0x20
[  396.805462]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  396.810735]  ? rcu_softirq_qs+0x20/0x20
[  396.814705]  ? preempt_schedule+0x4d/0x60
[  396.818846]  ? ___preempt_schedule+0x16/0x18
[  396.823254]  ? bpf_test_run+0x25d/0x780
[  396.827321]  ? netlink_diag_dump+0x2a0/0x2a0
[  396.831729]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  396.837259]  ? bpf_test_init.isra.10+0x70/0x100
[  396.841928]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  396.846691]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  396.851527]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  396.857063]  ? fput+0x130/0x1a0
[  396.860338]  ? __bpf_prog_get+0x9b/0x290
[  396.864397]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  396.869240]  ? bpf_prog_test_run+0x130/0x1a0
[  396.873649]  ? __x64_sys_bpf+0x3d8/0x520
[  396.877707]  ? bpf_prog_get+0x20/0x20
[  396.881520]  ? do_syscall_64+0x1b9/0x820
[  396.885574]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  396.890937]  ? syscall_return_slowpath+0x5e0/0x5e0
[  396.895867]  ? trace_hardirqs_on_caller+0x310/0x310
[  396.900882]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  396.905892]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  396.912549]  ? __switch_to_asm+0x40/0x70
[  396.916601]  ? __switch_to_asm+0x34/0x70
[  396.920661]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  396.925506]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  396.930886] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  396.930950] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  396.937729] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  396.937736] Call Trace:
[  396.944280] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  396.953550]  dump_stack+0x244/0x39d
[  396.956105] syz-executor4 cpuset=syz4 mems_allowed=0
[  396.966584]  ? dump_stack_print_info.cold.1+0x20/0x20
[  396.980458]  warn_alloc.cold.116+0xb7/0x1bd
[  396.984777]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  396.989627]  ? lock_downgrade+0x900/0x900
[  396.993784]  ? trace_hardirqs_off+0xb8/0x310
[  396.998193]  ? trace_hardirqs_off+0xb8/0x310
[  397.002608]  __alloc_pages_slowpath+0x26e8/0x2e10
[  397.007473]  ? warn_alloc+0x120/0x120
[  397.011278]  ? print_usage_bug+0xc0/0xc0
[  397.015342]  ? warn_alloc+0x120/0x120
[  397.019140]  ? warn_alloc+0x120/0x120
[  397.022944]  ? print_usage_bug+0xc0/0xc0
[  397.027004]  ? print_usage_bug+0xc0/0xc0
[  397.031061]  ? __lock_acquire+0x62f/0x4c20
[  397.035294]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  397.040824]  ? should_fail+0x22d/0xd01
[  397.044716]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  397.049814]  ? __lock_acquire+0x62f/0x4c20
[  397.054053]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  397.059151]  ? __lock_acquire+0x62f/0x4c20
[  397.063382]  ? should_fail+0x22d/0xd01
[  397.067270]  ? find_held_lock+0x36/0x1c0
[  397.071336]  ? mark_held_locks+0x130/0x130
[  397.075573]  ? mark_held_locks+0x130/0x130
[  397.079805]  ? zap_class+0x640/0x640
[  397.083520]  ? mark_held_locks+0xc7/0x130
[  397.087665]  ? do_raw_spin_unlock+0xa7/0x330
[  397.092069]  ? zap_class+0x640/0x640
[  397.095783]  ? print_usage_bug+0xc0/0xc0
[  397.099845]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.105382]  ? check_preemption_disabled+0x48/0x280
[  397.110419]  ? __lock_is_held+0xb5/0x140
[  397.114479]  __alloc_pages_nodemask+0xa80/0xde0
[  397.119146]  ? zap_class+0x640/0x640
[  397.122857]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  397.127879]  ? find_held_lock+0x36/0x1c0
[  397.131948]  ? ____cache_alloc_node+0x1c7/0x1e0
[  397.136614]  ? lock_downgrade+0x900/0x900
[  397.140764]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.146300]  cache_grow_begin+0xa5/0x8c0
[  397.150356]  ? do_raw_spin_unlock+0xa7/0x330
[  397.154766]  fallback_alloc+0x204/0x2e0
[  397.158743]  ____cache_alloc_node+0x1c7/0x1e0
[  397.163248]  kmem_cache_alloc_node+0xe3/0x730
[  397.167738]  ? ipv6_get_ifaddr+0x42e/0x620
[  397.171983]  __alloc_skb+0x119/0x770
[  397.175691]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  397.180967]  ? netdev_alloc_frag+0x1f0/0x1f0
[  397.185373]  ? lock_downgrade+0x900/0x900
[  397.189531]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.195063]  ? refcount_sub_and_test_checked+0x203/0x310
[  397.200512]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  397.205967]  ? addrconf_rs_timer+0x690/0x690
[  397.210382]  ndisc_alloc_skb+0x144/0x340
[  397.214453]  ndisc_send_rs+0x331/0x6e0
[  397.218340]  addrconf_rs_timer+0x314/0x690
[  397.222576]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.226820]  call_timer_fn+0x272/0x920
[  397.230701]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.234936]  ? process_timeout+0x40/0x40
[  397.239002]  ? __run_timers+0x7da/0xc70
[  397.242972]  ? _raw_spin_unlock_irq+0x27/0x80
[  397.247471]  ? _raw_spin_unlock_irq+0x27/0x80
[  397.251959]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.256189]  ? lockdep_hardirqs_on+0x296/0x5b0
[  397.260769]  ? trace_hardirqs_on+0xbd/0x310
[  397.265084]  ? kasan_check_read+0x11/0x20
[  397.269222]  ? __run_timers+0x7da/0xc70
[  397.273191]  ? trace_hardirqs_off_caller+0x310/0x310
[  397.278291]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.282538]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.286768]  __run_timers+0x7e5/0xc70
[  397.290574]  ? timer_fixup_init+0x70/0x70
[  397.294716]  ? _raw_spin_unlock_irq+0x27/0x80
[  397.299207]  ? _raw_spin_unlock_irq+0x27/0x80
[  397.303702]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  397.308282]  ? trace_hardirqs_on+0xbd/0x310
[  397.312597]  ? kasan_check_read+0x11/0x20
[  397.316742]  ? finish_task_switch+0x1f4/0x910
[  397.321231]  ? trace_hardirqs_off_caller+0x310/0x310
[  397.326334]  ? compat_start_thread+0x80/0x80
[  397.330776]  ? pvclock_read_flags+0x160/0x160
[  397.335282]  ? __switch_to_asm+0x34/0x70
[  397.339353]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.344893]  ? check_preemption_disabled+0x48/0x280
[  397.349921]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  397.355454]  ? rcu_pm_notify+0xc0/0xc0
[  397.359337]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.364872]  ? check_preemption_disabled+0x48/0x280
[  397.369889]  run_timer_softirq+0x52/0xb0
[  397.373949]  ? rcu_read_lock_sched_held+0x14f/0x180
[  397.378963]  __do_softirq+0x308/0xb7e
[  397.382770]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  397.387871]  ? trace_hardirqs_off+0xb8/0x310
[  397.392280]  ? rcu_irq_enter+0x18c/0x310
[  397.396338]  ? schedule+0x108/0x460
[  397.399962]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  397.404719]  ? trace_hardirqs_off+0xb8/0x310
[  397.409138]  ? smpboot_thread_fn+0x68b/0xa00
[  397.413541]  ? trace_hardirqs_on+0x310/0x310
[  397.417945]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  397.423476]  ? check_preemption_disabled+0x48/0x280
[  397.428495]  ? takeover_tasklets+0xa90/0xa90
[  397.432905]  run_ksoftirqd+0x5e/0x100
[  397.436698]  smpboot_thread_fn+0x68b/0xa00
[  397.440929]  ? sort_range+0x30/0x30
[  397.444558]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  397.449658]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  397.455190]  ? __kthread_parkme+0xfb/0x1a0
[  397.459421]  ? sort_range+0x30/0x30
[  397.463047]  kthread+0x35a/0x440
[  397.466413]  ? kthread_stop+0x900/0x900
[  397.470496]  ret_from_fork+0x3a/0x50
[  397.474221] warn_alloc_show_mem: 1 callbacks suppressed
[  397.474231] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  397.474233] Mem-Info:
[  397.474262] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  397.474262]  active_file:16 inactive_file:14 isolated_file:0
[  397.474262]  unevictable:0 dirty:0 writeback:0 unstable:0
[  397.474262]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  397.474262]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  397.474262]  free:13767 free_pcp:490 free_cma:0
[  397.479599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  397.486870] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  397.489258] Call Trace:
[  397.522390] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  397.531739]  <IRQ>
[  397.559391] lowmem_reserve[]: 0 2818 6321 6321
[  397.561983]  dump_stack+0x244/0x39d
[  397.588058] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  397.590206]  ? dump_stack_print_info.cold.1+0x20/0x20
[  397.594753] lowmem_reserve[]: 0 0 3503 3503
[  397.598388]  warn_alloc.cold.116+0xb7/0x1bd
[  397.625847] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  397.631025]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  397.635318] lowmem_reserve[]: 0 0 0 0
[  397.639628]  ? lock_downgrade+0x900/0x900
[  397.668744] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  397.673581]  ? trace_hardirqs_off+0xb8/0x310
[  397.677354] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  397.681512]  ? trace_hardirqs_off+0xb8/0x310
[  397.695125] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  397.699528]  __alloc_pages_slowpath+0x26e8/0x2e10
[  397.714844] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  397.719255]  ? warn_alloc+0x120/0x120
[  397.734300] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  397.739124]  ? print_usage_bug+0xc0/0xc0
[  397.747933] 1997 total pagecache pages
[  397.751721]  ? warn_alloc+0x120/0x120
[  397.760288] 0 pages in swap cache
[  397.764336]  ? warn_alloc+0x120/0x120
[  397.768194] Swap cache stats: add 0, delete 0, find 0/0
[  397.771975]  ? print_usage_bug+0xc0/0xc0
[  397.775401] Free swap  = 0kB
[  397.779295]  ? kvm_clock_read+0x18/0x30
[  397.784632] Total swap = 0kB
[  397.788678]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  397.791667] 1965979 pages RAM
[  397.795631]  ? print_usage_bug+0xc0/0xc0
[  397.798615] 0 pages HighMem/MovableOnly
[  397.798622] 342853 pages reserved
[  397.803624]  ? __lock_acquire+0x62f/0x4c20
[  397.806702] 0 pages cma reserved
[  397.810748]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  397.814756] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  397.818132]  ? should_fail+0x22d/0xd01
[  397.822912] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  397.825699]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  397.825719]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  397.831383] ksoftirqd/1 cpuset=/ mems_allowed=0
[  397.837861]  ? __lock_acquire+0x62f/0x4c20
[  397.837882]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  397.876459]  ? __lock_acquire+0x62f/0x4c20
[  397.880691]  ? should_fail+0x22d/0xd01
[  397.884572]  ? rcu_irq_exit+0x1a2/0x390
[  397.888554]  ? mark_held_locks+0x130/0x130
[  397.892789]  ? mark_held_locks+0x130/0x130
[  397.897026]  ? mark_held_locks+0xc7/0x130
[  397.901173]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  397.906182]  ? zap_class+0x640/0x640
[  397.909894]  ? print_usage_bug+0xc0/0xc0
[  397.913954]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.919486]  ? check_preemption_disabled+0x48/0x280
[  397.924503]  ? __lock_is_held+0xb5/0x140
[  397.928569]  __alloc_pages_nodemask+0xa80/0xde0
[  397.933229]  ? zap_class+0x640/0x640
[  397.936940]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  397.941960]  ? find_held_lock+0x36/0x1c0
[  397.946024]  ? ____cache_alloc_node+0x1c7/0x1e0
[  397.950689]  ? lock_downgrade+0x900/0x900
[  397.954841]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.960391]  cache_grow_begin+0xa5/0x8c0
[  397.964444]  ? do_raw_spin_unlock+0xa7/0x330
[  397.968856]  fallback_alloc+0x204/0x2e0
[  397.972833]  ____cache_alloc_node+0x1c7/0x1e0
[  397.977771]  kmem_cache_alloc_node+0xe3/0x730
[  397.982260]  ? ipv6_get_ifaddr+0x42e/0x620
[  397.986502]  __alloc_skb+0x119/0x770
[  397.990208]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  397.995483]  ? netdev_alloc_frag+0x1f0/0x1f0
[  397.999884]  ? lock_downgrade+0x900/0x900
[  398.004035]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.009581]  ? refcount_sub_and_test_checked+0x203/0x310
[  398.015028]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  398.020472]  ? addrconf_rs_timer+0x690/0x690
[  398.024888]  ndisc_alloc_skb+0x144/0x340
[  398.028959]  ndisc_send_rs+0x331/0x6e0
[  398.032848]  addrconf_rs_timer+0x314/0x690
[  398.037083]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.041319]  call_timer_fn+0x272/0x920
[  398.045215]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.049444]  ? process_timeout+0x40/0x40
[  398.053506]  ? __run_timers+0x7da/0xc70
[  398.057488]  ? _raw_spin_unlock_irq+0x27/0x80
[  398.061974]  ? _raw_spin_unlock_irq+0x27/0x80
[  398.066461]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.070690]  ? lockdep_hardirqs_on+0x296/0x5b0
[  398.075268]  ? trace_hardirqs_on+0xbd/0x310
[  398.079583]  ? kasan_check_read+0x11/0x20
[  398.083729]  ? __run_timers+0x7da/0xc70
[  398.087697]  ? trace_hardirqs_off_caller+0x310/0x310
[  398.092796]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.097030]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.101255]  __run_timers+0x7e5/0xc70
[  398.105060]  ? timer_fixup_init+0x70/0x70
[  398.109203]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  398.114212]  ? zap_class+0x640/0x640
[  398.117922]  ? enqueue_hrtimer+0x1a5/0x560
[  398.122156]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  398.127357]  ? find_held_lock+0x36/0x1c0
[  398.131417]  ? zap_class+0x640/0x640
[  398.135127]  ? pvclock_read_flags+0x160/0x160
[  398.139628]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.145555]  ? check_preemption_disabled+0x48/0x280
[  398.150578]  ? __lock_is_held+0xb5/0x140
[  398.154637]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.160167]  ? check_preemption_disabled+0x48/0x280
[  398.165186]  run_timer_softirq+0x52/0xb0
[  398.169241]  ? rcu_read_lock_sched_held+0x14f/0x180
[  398.174254]  __do_softirq+0x308/0xb7e
[  398.178055]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  398.182543]  ? lock_downgrade+0x900/0x900
[  398.186691]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  398.191797]  ? pvclock_read_flags+0x160/0x160
[  398.196291]  ? lapic_next_event+0x5a/0x90
[  398.200444]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.205981]  ? kvm_clock_read+0x18/0x30
[  398.209949]  ? kvm_sched_clock_read+0x9/0x20
[  398.214357]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.219887]  ? check_preemption_disabled+0x48/0x280
[  398.224910]  irq_exit+0x17f/0x1c0
[  398.228364]  smp_apic_timer_interrupt+0x1cb/0x760
[  398.233203]  ? smp_reschedule_interrupt+0x109/0x650
[  398.238219]  ? smp_call_function_single_interrupt+0x650/0x650
[  398.244112]  ? interrupt_entry+0xb5/0xc0
[  398.248188]  ? trace_hardirqs_off_caller+0xbb/0x310
[  398.253201]  ? trace_hardirqs_off_caller+0xbb/0x310
[  398.258214]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  398.263051]  ? trace_hardirqs_on_caller+0x310/0x310
[  398.268060]  ? trace_hardirqs_on_caller+0x310/0x310
[  398.273080]  ? task_prio+0x50/0x50
[  398.276615]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.282149]  ? check_preemption_disabled+0x48/0x280
[  398.287165]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  398.292009]  apic_timer_interrupt+0xf/0x20
[  398.296237]  </IRQ>
[  398.298470] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  398.303395] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  398.322288] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  398.329999] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  398.337264] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  398.344524] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  398.351790] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  398.359051] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  398.366365]  skb_clone+0x1bb/0x500
[  398.369902]  ? finish_task_switch+0x2f4/0x910
[  398.374392]  ? skb_split+0x11e0/0x11e0
[  398.378276]  ? preempt_notifier_register+0x200/0x200
[  398.383379]  ? __switch_to_asm+0x34/0x70
[  398.387437]  ? __switch_to_asm+0x34/0x70
[  398.391491]  ? __switch_to_asm+0x40/0x70
[  398.395543]  ? __switch_to_asm+0x34/0x70
[  398.399594]  ? __switch_to_asm+0x40/0x70
[  398.403653]  ? __switch_to_asm+0x34/0x70
[  398.407706]  ? __switch_to_asm+0x40/0x70
[  398.411759]  ? __switch_to_asm+0x34/0x70
[  398.415815]  ? __switch_to_asm+0x34/0x70
[  398.419880]  ? __switch_to_asm+0x40/0x70
[  398.423933]  ? __switch_to_asm+0x34/0x70
[  398.427996]  bpf_clone_redirect+0xb9/0x490
[  398.432224]  ? __schedule+0x8d7/0x21d0
[  398.436128]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  398.441053]  ? __sched_text_start+0x8/0x8
[  398.445197]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  398.449773]  ? retint_kernel+0x2d/0x2d
[  398.453652]  ? trace_hardirqs_on_caller+0xc0/0x310
[  398.458578]  ? find_held_lock+0x36/0x1c0
[  398.462641]  ? lock_acquire+0x1ed/0x520
[  398.466615]  ? bpf_test_run+0x3cb/0x780
[  398.470587]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.476119]  ? check_preemption_disabled+0x48/0x280
[  398.481134]  ? kasan_check_read+0x11/0x20
[  398.485274]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  398.490552]  ? rcu_softirq_qs+0x20/0x20
[  398.494520]  ? preempt_schedule+0x4d/0x60
[  398.498678]  ? ___preempt_schedule+0x16/0x18
[  398.503088]  ? bpf_test_run+0x25d/0x780
[  398.507066]  ? netlink_diag_dump+0x2a0/0x2a0
[  398.511476]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  398.517009]  ? bpf_test_init.isra.10+0x70/0x100
[  398.521675]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  398.526446]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  398.531283]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  398.536821]  ? fput+0x130/0x1a0
[  398.540099]  ? __bpf_prog_get+0x9b/0x290
[  398.544168]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  398.549001]  ? bpf_prog_test_run+0x130/0x1a0
[  398.553408]  ? __x64_sys_bpf+0x3d8/0x520
[  398.557462]  ? bpf_prog_get+0x20/0x20
[  398.561273]  ? do_syscall_64+0x1b9/0x820
[  398.565343]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  398.570700]  ? syscall_return_slowpath+0x5e0/0x5e0
[  398.575629]  ? trace_hardirqs_on_caller+0x310/0x310
[  398.580642]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  398.585653]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  398.592324]  ? __switch_to_asm+0x40/0x70
[  398.596382]  ? __switch_to_asm+0x34/0x70
[  398.600452]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  398.605301]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  398.610697] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  398.610760] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  398.617537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  398.617544] Call Trace:
[  398.624090] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  398.633359]  dump_stack+0x244/0x39d
[  398.635915] syz-executor4 cpuset=syz4 mems_allowed=0
[  398.646386]  ? dump_stack_print_info.cold.1+0x20/0x20
[  398.660268]  warn_alloc.cold.116+0xb7/0x1bd
[  398.664592]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  398.669434]  ? lock_downgrade+0x900/0x900
[  398.673591]  ? trace_hardirqs_off+0xb8/0x310
[  398.677999]  ? trace_hardirqs_off+0xb8/0x310
[  398.682419]  __alloc_pages_slowpath+0x26e8/0x2e10
[  398.687310]  ? warn_alloc+0x120/0x120
[  398.691112]  ? warn_alloc+0x120/0x120
[  398.694912]  ? warn_alloc+0x120/0x120
[  398.698712]  ? print_usage_bug+0xc0/0xc0
[  398.702765]  ? try_to_wake_up+0x11c/0x1490
[  398.707002]  ? print_usage_bug+0xc0/0xc0
[  398.711065]  ? trace_hardirqs_off+0xb8/0x310
[  398.715469]  ? kasan_check_read+0x11/0x20
[  398.719612]  ? do_raw_spin_unlock+0xa7/0x330
[  398.724018]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  398.729551]  ? should_fail+0x22d/0xd01
[  398.733440]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  398.738538]  ? __lock_acquire+0x62f/0x4c20
[  398.742774]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  398.747873]  ? __lock_acquire+0x62f/0x4c20
[  398.752106]  ? should_fail+0x22d/0xd01
[  398.756003]  ? mark_held_locks+0x130/0x130
[  398.760240]  ? mark_held_locks+0x130/0x130
[  398.764479]  ? zap_class+0x640/0x640
[  398.768188]  ? ret_from_fork+0x3a/0x50
[  398.772076]  ? trace_event_raw_event_lock_acquire+0x440/0x440
[  398.777960]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.783493]  ? check_preemption_disabled+0x48/0x280
[  398.788511]  ? __lock_is_held+0xb5/0x140
[  398.792576]  __alloc_pages_nodemask+0xa80/0xde0
[  398.797239]  ? zap_class+0x640/0x640
[  398.800965]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  398.805984]  ? find_held_lock+0x36/0x1c0
[  398.810048]  ? ____cache_alloc_node+0x1c7/0x1e0
[  398.814713]  ? lock_downgrade+0x900/0x900
[  398.818861]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.824396]  cache_grow_begin+0xa5/0x8c0
[  398.828451]  ? do_raw_spin_unlock+0xa7/0x330
[  398.832861]  fallback_alloc+0x204/0x2e0
[  398.836836]  ____cache_alloc_node+0x1c7/0x1e0
[  398.841331]  kmem_cache_alloc_node+0xe3/0x730
[  398.845924]  ? mark_held_locks+0xc7/0x130
[  398.850077]  __alloc_skb+0x119/0x770
[  398.853809]  ? netdev_alloc_frag+0x1f0/0x1f0
[  398.858209]  ? do_raw_spin_trylock+0x270/0x270
[  398.862796]  ? kmem_cache_alloc_trace+0x353/0x750
[  398.867635]  ? queue_work_on+0x12c/0x1e0
[  398.871764]  ? switchdev_port_obj_del+0xdc/0x440
[  398.876522]  ? switchdev_trans_item_enqueue+0x260/0x260
[  398.881883]  ? mod_timer+0x631/0x1560
[  398.885682]  ? wake_up_klogd+0x180/0x180
[  398.889744]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  398.894810]  __br_mdb_notify+0x4ff/0x15d0
[  398.898968]  ? __br_mdb_add+0x7f0/0x7f0
[  398.902937]  ? trace_hardirqs_off_caller+0x310/0x310
[  398.908048]  ? zap_class+0x640/0x640
[  398.911792]  ? br_multicast_group_expired+0x96/0x610
[  398.916899]  br_mdb_notify+0x310/0x410
[  398.920792]  ? br_mdb_dump+0x27b0/0x27b0
[  398.924852]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.930394]  br_multicast_group_expired+0x1bc/0x610
[  398.935414]  ? br_mdb_free+0x80/0x80
[  398.939132]  call_timer_fn+0x272/0x920
[  398.943011]  ? br_mdb_free+0x80/0x80
[  398.946721]  ? process_timeout+0x40/0x40
[  398.950789]  ? __run_timers+0x7da/0xc70
[  398.954757]  ? _raw_spin_unlock_irq+0x27/0x80
[  398.959246]  ? _raw_spin_unlock_irq+0x27/0x80
[  398.963743]  ? br_mdb_free+0x80/0x80
[  398.967451]  ? lockdep_hardirqs_on+0x296/0x5b0
[  398.972034]  ? trace_hardirqs_on+0xbd/0x310
[  398.976356]  ? kasan_check_read+0x11/0x20
[  398.980496]  ? __run_timers+0x7da/0xc70
[  398.984466]  ? trace_hardirqs_off_caller+0x310/0x310
[  398.989567]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.993809]  ? br_mdb_free+0x80/0x80
[  398.997521]  __run_timers+0x7e5/0xc70
[  399.001329]  ? timer_fixup_init+0x70/0x70
[  399.005472]  ? _raw_spin_unlock_irq+0x27/0x80
[  399.009973]  ? _raw_spin_unlock_irq+0x27/0x80
[  399.014467]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  399.019049]  ? trace_hardirqs_on+0xbd/0x310
[  399.023380]  ? kasan_check_read+0x11/0x20
[  399.027524]  ? finish_task_switch+0x1f4/0x910
[  399.032018]  ? trace_hardirqs_off_caller+0x310/0x310
[  399.037118]  ? compat_start_thread+0x80/0x80
[  399.041546]  ? pvclock_read_flags+0x160/0x160
[  399.046044]  ? __switch_to_asm+0x34/0x70
[  399.050102]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.055639]  ? check_preemption_disabled+0x48/0x280
[  399.060662]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  399.066196]  ? rcu_pm_notify+0xc0/0xc0
[  399.070082]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.075614]  ? check_preemption_disabled+0x48/0x280
[  399.080628]  run_timer_softirq+0x52/0xb0
[  399.084690]  ? rcu_read_lock_sched_held+0x14f/0x180
[  399.089703]  __do_softirq+0x308/0xb7e
[  399.093510]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  399.098991]  ? trace_hardirqs_off+0xb8/0x310
[  399.103394]  ? rcu_irq_enter+0x18c/0x310
[  399.107455]  ? schedule+0x108/0x460
[  399.111080]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  399.115842]  ? trace_hardirqs_off+0xb8/0x310
[  399.120245]  ? smpboot_thread_fn+0x68b/0xa00
[  399.124655]  ? trace_hardirqs_on+0x310/0x310
[  399.129058]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.134593]  ? check_preemption_disabled+0x48/0x280
[  399.139605]  ? takeover_tasklets+0xa90/0xa90
[  399.144007]  run_ksoftirqd+0x5e/0x100
[  399.147802]  smpboot_thread_fn+0x68b/0xa00
[  399.152037]  ? sort_range+0x30/0x30
[  399.155659]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  399.160755]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.166291]  ? __kthread_parkme+0xfb/0x1a0
[  399.170528]  ? sort_range+0x30/0x30
[  399.174152]  kthread+0x35a/0x440
[  399.177519]  ? kthread_stop+0x900/0x900
[  399.181494]  ret_from_fork+0x3a/0x50
[  399.185220] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  399.185237] warn_alloc_show_mem: 1 callbacks suppressed
[  399.185241] Mem-Info:
[  399.192516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  399.197877] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  399.197877]  active_file:16 inactive_file:14 isolated_file:0
[  399.197877]  unevictable:0 dirty:0 writeback:0 unstable:0
[  399.197877]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  399.197877]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  399.197877]  free:13767 free_pcp:490 free_cma:0
[  399.200251] Call Trace:
[  399.209625] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  399.242635]  <IRQ>
[  399.245200] 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
[  399.272862]  dump_stack+0x244/0x39d
[  399.274974] lowmem_reserve[]: 0 2818 6321 6321
[  399.301192]  ? dump_stack_print_info.cold.1+0x20/0x20
[  399.304786] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  399.309365]  warn_alloc.cold.116+0xb7/0x1bd
[  399.314527] lowmem_reserve[]: 0 0 3503 3503
[  399.342020]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  399.346312] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  399.350627]  ? lock_downgrade+0x900/0x900
[  399.355440] lowmem_reserve[]: 0 0 0 0
[  399.384580]  ? trace_hardirqs_off+0xb8/0x310
[  399.388698] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  399.392505]  ? trace_hardirqs_off+0xb8/0x310
[  399.396876] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  399.410401]  __alloc_pages_slowpath+0x26e8/0x2e10
[  399.414775] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  399.430142]  ? warn_alloc+0x120/0x120
[  399.434938] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  399.450009]  ? print_usage_bug+0xc0/0xc0
[  399.453790] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  399.462610]  ? warn_alloc+0x120/0x120
[  399.466643] 1997 total pagecache pages
[  399.475228]  ? warn_alloc+0x120/0x120
[  399.479004] 0 pages in swap cache
[  399.482873]  ? print_usage_bug+0xc0/0xc0
[  399.486651] Swap cache stats: add 0, delete 0, find 0/0
[  399.490089]  ? kvm_clock_read+0x18/0x30
[  399.494124] Free swap  = 0kB
[  399.499473]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  399.503415] Total swap = 0kB
[  399.503422] 1965979 pages RAM
[  399.506426]  ? print_usage_bug+0xc0/0xc0
[  399.511406] 0 pages HighMem/MovableOnly
[  399.511413] 342853 pages reserved
[  399.514417]  ? __lock_acquire+0x62f/0x4c20
[  399.517495] 0 pages cma reserved
[  399.521546]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.526153] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  399.528936]  ? should_fail+0x22d/0xd01
[  399.533141] ksoftirqd/1 cpuset=/ mems_allowed=0
[  399.536491]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  399.536508]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  399.571210]  ? __lock_acquire+0x62f/0x4c20
[  399.575458]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  399.580562]  ? __lock_acquire+0x62f/0x4c20
[  399.584788]  ? should_fail+0x22d/0xd01
[  399.588668]  ? rcu_irq_exit+0x1a2/0x390
[  399.592644]  ? mark_held_locks+0x130/0x130
[  399.596877]  ? mark_held_locks+0x130/0x130
[  399.601111]  ? mark_held_locks+0xc7/0x130
[  399.605261]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  399.610270]  ? zap_class+0x640/0x640
[  399.613985]  ? print_usage_bug+0xc0/0xc0
[  399.618047]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.623578]  ? check_preemption_disabled+0x48/0x280
[  399.628598]  ? __lock_is_held+0xb5/0x140
[  399.632660]  __alloc_pages_nodemask+0xa80/0xde0
[  399.637342]  ? zap_class+0x640/0x640
[  399.641052]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  399.646071]  ? find_held_lock+0x36/0x1c0
[  399.650134]  ? ____cache_alloc_node+0x1c7/0x1e0
[  399.654798]  ? lock_downgrade+0x900/0x900
[  399.658947]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.664482]  cache_grow_begin+0xa5/0x8c0
[  399.668548]  ? do_raw_spin_unlock+0xa7/0x330
[  399.672956]  fallback_alloc+0x204/0x2e0
[  399.676930]  ____cache_alloc_node+0x1c7/0x1e0
[  399.681430]  kmem_cache_alloc_node+0xe3/0x730
[  399.685920]  ? ipv6_get_ifaddr+0x42e/0x620
[  399.690162]  __alloc_skb+0x119/0x770
[  399.693868]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  399.699141]  ? netdev_alloc_frag+0x1f0/0x1f0
[  399.703545]  ? lock_downgrade+0x900/0x900
[  399.707698]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.713240]  ? refcount_sub_and_test_checked+0x203/0x310
[  399.718690]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  399.724133]  ? addrconf_rs_timer+0x690/0x690
[  399.728545]  ndisc_alloc_skb+0x144/0x340
[  399.732605]  ndisc_send_rs+0x331/0x6e0
[  399.736490]  addrconf_rs_timer+0x314/0x690
[  399.740725]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  399.744965]  call_timer_fn+0x272/0x920
[  399.748849]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  399.753077]  ? process_timeout+0x40/0x40
[  399.757141]  ? __run_timers+0x7da/0xc70
[  399.761110]  ? _raw_spin_unlock_irq+0x27/0x80
[  399.765596]  ? _raw_spin_unlock_irq+0x27/0x80
[  399.770083]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  399.774332]  ? lockdep_hardirqs_on+0x296/0x5b0
[  399.778909]  ? trace_hardirqs_on+0xbd/0x310
[  399.783234]  ? kasan_check_read+0x11/0x20
[  399.787373]  ? __run_timers+0x7da/0xc70
[  399.791341]  ? trace_hardirqs_off_caller+0x310/0x310
[  399.796441]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  399.800676]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  399.804903]  __run_timers+0x7e5/0xc70
[  399.808710]  ? timer_fixup_init+0x70/0x70
[  399.812854]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  399.817863]  ? zap_class+0x640/0x640
[  399.821573]  ? enqueue_hrtimer+0x1a5/0x560
[  399.825806]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  399.830993]  ? find_held_lock+0x36/0x1c0
[  399.835051]  ? zap_class+0x640/0x640
[  399.838761]  ? pvclock_read_flags+0x160/0x160
[  399.843272]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.848807]  ? check_preemption_disabled+0x48/0x280
[  399.853929]  ? __lock_is_held+0xb5/0x140
[  399.857986]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.863520]  ? check_preemption_disabled+0x48/0x280
[  399.868536]  run_timer_softirq+0x52/0xb0
[  399.872587]  ? rcu_read_lock_sched_held+0x14f/0x180
[  399.877597]  __do_softirq+0x308/0xb7e
[  399.881414]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  399.886024]  ? lock_downgrade+0x900/0x900
[  399.890176]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  399.895287]  ? pvclock_read_flags+0x160/0x160
[  399.899775]  ? lapic_next_event+0x5a/0x90
[  399.903919]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.909459]  ? kvm_clock_read+0x18/0x30
[  399.913425]  ? kvm_sched_clock_read+0x9/0x20
[  399.917833]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.923365]  ? check_preemption_disabled+0x48/0x280
[  399.928385]  irq_exit+0x17f/0x1c0
[  399.931837]  smp_apic_timer_interrupt+0x1cb/0x760
[  399.936674]  ? smp_reschedule_interrupt+0x109/0x650
[  399.941685]  ? smp_call_function_single_interrupt+0x650/0x650
[  399.947565]  ? interrupt_entry+0xb5/0xc0
[  399.951621]  ? trace_hardirqs_off_caller+0xbb/0x310
[  399.956645]  ? trace_hardirqs_off_caller+0xbb/0x310
[  399.961657]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  399.966496]  ? trace_hardirqs_on_caller+0x310/0x310
[  399.971509]  ? trace_hardirqs_on_caller+0x310/0x310
[  399.977009]  ? task_prio+0x50/0x50
[  399.980558]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.986092]  ? check_preemption_disabled+0x48/0x280
[  399.991111]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  399.995953]  apic_timer_interrupt+0xf/0x20
[  400.000703]  </IRQ>
[  400.002937] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  400.007881] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  400.026776] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  400.034476] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  400.041740] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  400.048999] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  400.056258] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  400.063518] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  400.070816]  skb_clone+0x1bb/0x500
[  400.074354]  ? finish_task_switch+0x2f4/0x910
[  400.078848]  ? skb_split+0x11e0/0x11e0
[  400.082733]  ? preempt_notifier_register+0x200/0x200
[  400.087827]  ? __switch_to_asm+0x34/0x70
[  400.091894]  ? __switch_to_asm+0x34/0x70
[  400.095945]  ? __switch_to_asm+0x40/0x70
[  400.099998]  ? __switch_to_asm+0x34/0x70
[  400.104056]  ? __switch_to_asm+0x40/0x70
[  400.108106]  ? __switch_to_asm+0x34/0x70
[  400.112157]  ? __switch_to_asm+0x40/0x70
[  400.116215]  ? __switch_to_asm+0x34/0x70
[  400.120270]  ? __switch_to_asm+0x34/0x70
[  400.124322]  ? __switch_to_asm+0x40/0x70
[  400.128371]  ? __switch_to_asm+0x34/0x70
[  400.132431]  bpf_clone_redirect+0xb9/0x490
[  400.136664]  ? __schedule+0x8d7/0x21d0
[  400.140841]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  400.145770]  ? __sched_text_start+0x8/0x8
[  400.149915]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  400.154488]  ? retint_kernel+0x2d/0x2d
[  400.158370]  ? trace_hardirqs_on_caller+0xc0/0x310
[  400.163300]  ? find_held_lock+0x36/0x1c0
[  400.167361]  ? lock_acquire+0x1ed/0x520
[  400.171332]  ? bpf_test_run+0x3cb/0x780
[  400.175303]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.180835]  ? check_preemption_disabled+0x48/0x280
[  400.185853]  ? kasan_check_read+0x11/0x20
[  400.189993]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  400.195274]  ? rcu_softirq_qs+0x20/0x20
[  400.199242]  ? preempt_schedule+0x4d/0x60
[  400.203388]  ? ___preempt_schedule+0x16/0x18
[  400.207796]  ? bpf_test_run+0x25d/0x780
[  400.211777]  ? netlink_diag_dump+0x2a0/0x2a0
[  400.216194]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  400.221735]  ? bpf_test_init.isra.10+0x70/0x100
[  400.226404]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  400.231169]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  400.236011]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  400.241539]  ? fput+0x130/0x1a0
[  400.244813]  ? __bpf_prog_get+0x9b/0x290
[  400.248871]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  400.253707]  ? bpf_prog_test_run+0x130/0x1a0
[  400.258605]  ? __x64_sys_bpf+0x3d8/0x520
[  400.262671]  ? bpf_prog_get+0x20/0x20
[  400.266487]  ? do_syscall_64+0x1b9/0x820
[  400.270543]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  400.275918]  ? syscall_return_slowpath+0x5e0/0x5e0
[  400.280847]  ? trace_hardirqs_on_caller+0x310/0x310
[  400.285858]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  400.290870]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  400.297527]  ? __switch_to_asm+0x40/0x70
[  400.301579]  ? __switch_to_asm+0x34/0x70
[  400.305643]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  400.310486]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  400.315866] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  400.315937] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  400.322703] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  400.322709] Call Trace:
[  400.322726]  dump_stack+0x244/0x39d
[  400.322746]  ? dump_stack_print_info.cold.1+0x20/0x20
[  400.329285] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  400.338661]  warn_alloc.cold.116+0xb7/0x1bd
[  400.341215] syz-executor4 cpuset=syz4 mems_allowed=0
[  400.344828]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  400.374681]  ? lock_downgrade+0x900/0x900
[  400.378835]  ? trace_hardirqs_off+0xb8/0x310
[  400.383245]  ? trace_hardirqs_off+0xb8/0x310
[  400.387657]  __alloc_pages_slowpath+0x26e8/0x2e10
[  400.392524]  ? warn_alloc+0x120/0x120
[  400.396326]  ? warn_alloc+0x120/0x120
[  400.400122]  ? __bfs+0xb0/0x780
[  400.403403]  ? warn_alloc+0x120/0x120
[  400.407204]  ? print_usage_bug+0xc0/0xc0
[  400.411261]  ? lockdep_on+0x50/0x50
[  400.415028]  ? print_usage_bug+0xc0/0xc0
[  400.419086]  ? check_usage+0x1aa/0x790
[  400.422978]  ? trace_hardirqs_off+0xb8/0x310
[  400.427384]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  400.432915]  ? should_fail+0x22d/0xd01
[  400.436800]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  400.441897]  ? __lock_acquire+0x62f/0x4c20
[  400.446133]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  400.451236]  ? __lock_acquire+0x62f/0x4c20
[  400.455463]  ? should_fail+0x22d/0xd01
[  400.459363]  ? mark_held_locks+0x130/0x130
[  400.463600]  ? mark_held_locks+0x130/0x130
[  400.467840]  ? zap_class+0x640/0x640
[  400.471547]  ? ret_from_fork+0x3a/0x50
[  400.475433]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.480969]  ? check_preemption_disabled+0x48/0x280
[  400.485997]  ? __lock_is_held+0xb5/0x140
[  400.490057]  __alloc_pages_nodemask+0xa80/0xde0
[  400.494725]  ? zap_class+0x640/0x640
[  400.498438]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  400.503459]  ? find_held_lock+0x36/0x1c0
[  400.507525]  ? ____cache_alloc_node+0x1c7/0x1e0
[  400.512190]  ? lock_downgrade+0x900/0x900
[  400.516339]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.521876]  cache_grow_begin+0xa5/0x8c0
[  400.525931]  ? do_raw_spin_unlock+0xa7/0x330
[  400.530344]  fallback_alloc+0x204/0x2e0
[  400.534320]  ____cache_alloc_node+0x1c7/0x1e0
[  400.538814]  kmem_cache_alloc_node+0xe3/0x730
[  400.543303]  ? mark_held_locks+0xc7/0x130
[  400.547460]  __alloc_skb+0x119/0x770
[  400.551181]  ? netdev_alloc_frag+0x1f0/0x1f0
[  400.555582]  ? do_raw_spin_trylock+0x270/0x270
[  400.560167]  ? kmem_cache_alloc_trace+0x353/0x750
[  400.565009]  ? queue_work_on+0x12c/0x1e0
[  400.569073]  ? switchdev_port_obj_del+0xdc/0x440
[  400.573829]  ? switchdev_trans_item_enqueue+0x260/0x260
[  400.579193]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  400.584212]  __br_mdb_notify+0x4ff/0x15d0
[  400.588362]  ? __br_mdb_add+0x7f0/0x7f0
[  400.592343]  ? zap_class+0x640/0x640
[  400.596059]  ? br_multicast_group_expired+0x96/0x610
[  400.601165]  ? lock_downgrade+0x900/0x900
[  400.605311]  br_mdb_notify+0x310/0x410
[  400.609199]  ? br_mdb_dump+0x27b0/0x27b0
[  400.613262]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.618808]  br_multicast_group_expired+0x1bc/0x610
[  400.623822]  ? br_mdb_free+0x80/0x80
[  400.627538]  call_timer_fn+0x272/0x920
[  400.631421]  ? br_mdb_free+0x80/0x80
[  400.635127]  ? process_timeout+0x40/0x40
[  400.639217]  ? __run_timers+0x7da/0xc70
[  400.643188]  ? _raw_spin_unlock_irq+0x27/0x80
[  400.647677]  ? _raw_spin_unlock_irq+0x27/0x80
[  400.652173]  ? br_mdb_free+0x80/0x80
[  400.655880]  ? lockdep_hardirqs_on+0x296/0x5b0
[  400.660459]  ? trace_hardirqs_on+0xbd/0x310
[  400.664800]  ? kasan_check_read+0x11/0x20
[  400.668950]  ? __run_timers+0x7da/0xc70
[  400.672920]  ? trace_hardirqs_off_caller+0x310/0x310
[  400.678021]  ? br_mdb_free+0x80/0x80
[  400.681752]  ? br_mdb_free+0x80/0x80
[  400.685457]  __run_timers+0x7e5/0xc70
[  400.689260]  ? timer_fixup_init+0x70/0x70
[  400.693405]  ? _raw_spin_unlock_irq+0x27/0x80
[  400.697891]  ? _raw_spin_unlock_irq+0x27/0x80
[  400.702381]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  400.706958]  ? trace_hardirqs_on+0xbd/0x310
[  400.711273]  ? kasan_check_read+0x11/0x20
[  400.715420]  ? finish_task_switch+0x1f4/0x910
[  400.719913]  ? trace_hardirqs_off_caller+0x310/0x310
[  400.725009]  ? compat_start_thread+0x80/0x80
[  400.729431]  ? pvclock_read_flags+0x160/0x160
[  400.733915]  ? __switch_to_asm+0x34/0x70
[  400.737973]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.743508]  ? check_preemption_disabled+0x48/0x280
[  400.748530]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  400.754066]  ? rcu_pm_notify+0xc0/0xc0
[  400.757964]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.763496]  ? check_preemption_disabled+0x48/0x280
[  400.768511]  run_timer_softirq+0x52/0xb0
[  400.772576]  ? rcu_read_lock_sched_held+0x14f/0x180
[  400.777588]  __do_softirq+0x308/0xb7e
[  400.781394]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  400.786492]  ? trace_hardirqs_off+0xb8/0x310
[  400.790895]  ? rcu_irq_enter+0x18c/0x310
[  400.794959]  ? schedule+0x108/0x460
[  400.798585]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  400.803347]  ? trace_hardirqs_off+0xb8/0x310
[  400.807749]  ? smpboot_thread_fn+0x68b/0xa00
[  400.812154]  ? trace_hardirqs_on+0x310/0x310
[  400.816561]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  400.822095]  ? check_preemption_disabled+0x48/0x280
[  400.827117]  ? takeover_tasklets+0xa90/0xa90
[  400.831632]  run_ksoftirqd+0x5e/0x100
[  400.835433]  smpboot_thread_fn+0x68b/0xa00
[  400.839671]  ? sort_range+0x30/0x30
[  400.843293]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  400.848396]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  400.853932]  ? __kthread_parkme+0xfb/0x1a0
[  400.858162]  ? sort_range+0x30/0x30
[  400.861783]  kthread+0x35a/0x440
[  400.865152]  ? kthread_stop+0x900/0x900
[  400.869131]  ret_from_fork+0x3a/0x50
[  400.872858] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  400.872862] warn_alloc_show_mem: 1 callbacks suppressed
[  400.872868] Mem-Info:
[  400.880140] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  400.885527] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  400.885527]  active_file:16 inactive_file:14 isolated_file:0
[  400.885527]  unevictable:0 dirty:0 writeback:0 unstable:0
[  400.885527]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  400.885527]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  400.885527]  free:13767 free_pcp:490 free_cma:0
[  400.887897] Call Trace:
[  400.897281] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  400.930295]  <IRQ>
[  400.932862] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  400.960524]  dump_stack+0x244/0x39d
[  400.962645] lowmem_reserve[]: 0 2818 6321 6321
[  400.988747]  ? dump_stack_print_info.cold.1+0x20/0x20
[  400.992346] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  400.996929]  warn_alloc.cold.116+0xb7/0x1bd
[  401.002092] lowmem_reserve[]: 0 0 3503 3503
[  401.029584]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  401.033874] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  401.038186]  ? lock_downgrade+0x900/0x900
[  401.043002] lowmem_reserve[]: 0 0 0 0
[  401.072153]  ? trace_hardirqs_off+0xb8/0x310
[  401.076271] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  401.080067]  ? trace_hardirqs_off+0xb8/0x310
[  401.084446] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  401.101970]  __alloc_pages_slowpath+0x26e8/0x2e10
[  401.106345] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  401.121708]  ? warn_alloc+0x120/0x120
[  401.126509] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  401.141576]  ? print_usage_bug+0xc0/0xc0
[  401.145356] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  401.154175]  ? warn_alloc+0x120/0x120
[  401.158210] 1997 total pagecache pages
[  401.166773]  ? warn_alloc+0x120/0x120
[  401.170548] 0 pages in swap cache
[  401.174417]  ? print_usage_bug+0xc0/0xc0
[  401.178192] Swap cache stats: add 0, delete 0, find 0/0
[  401.181630]  ? kvm_clock_read+0x18/0x30
[  401.185660] Free swap  = 0kB
[  401.191004]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  401.191020]  ? print_usage_bug+0xc0/0xc0
[  401.194963] Total swap = 0kB
[  401.197971]  ? __lock_acquire+0x62f/0x4c20
[  401.202955] 1965979 pages RAM
[  401.207004]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  401.209991] 0 pages HighMem/MovableOnly
[  401.214221]  ? should_fail+0x22d/0xd01
[  401.217292] 342853 pages reserved
[  401.217299] 0 pages cma reserved
[  401.222821]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  401.226912] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  401.230639]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  401.234065] ksoftirqd/1 cpuset=/ mems_allowed=0
[  401.237423]  ? __lock_acquire+0x62f/0x4c20
[  401.266917]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  401.272108]  ? __lock_acquire+0x62f/0x4c20
[  401.276334]  ? should_fail+0x22d/0xd01
[  401.280228]  ? rcu_irq_exit+0x1a2/0x390
[  401.284209]  ? mark_held_locks+0x130/0x130
[  401.288447]  ? mark_held_locks+0x130/0x130
[  401.292680]  ? mark_held_locks+0xc7/0x130
[  401.296821]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  401.301831]  ? zap_class+0x640/0x640
[  401.305542]  ? print_usage_bug+0xc0/0xc0
[  401.309600]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.315134]  ? check_preemption_disabled+0x48/0x280
[  401.320153]  ? __lock_is_held+0xb5/0x140
[  401.324214]  __alloc_pages_nodemask+0xa80/0xde0
[  401.328877]  ? zap_class+0x640/0x640
[  401.332592]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  401.337613]  ? find_held_lock+0x36/0x1c0
[  401.341678]  ? ____cache_alloc_node+0x1c7/0x1e0
[  401.346341]  ? lock_downgrade+0x900/0x900
[  401.350580]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.356120]  cache_grow_begin+0xa5/0x8c0
[  401.360177]  ? do_raw_spin_unlock+0xa7/0x330
[  401.364585]  fallback_alloc+0x204/0x2e0
[  401.368560]  ____cache_alloc_node+0x1c7/0x1e0
[  401.373054]  kmem_cache_alloc_node+0xe3/0x730
[  401.377549]  ? ipv6_get_ifaddr+0x42e/0x620
[  401.381787]  __alloc_skb+0x119/0x770
[  401.385498]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  401.390771]  ? netdev_alloc_frag+0x1f0/0x1f0
[  401.395177]  ? lock_downgrade+0x900/0x900
[  401.399336]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.404877]  ? refcount_sub_and_test_checked+0x203/0x310
[  401.410326]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  401.415784]  ? addrconf_rs_timer+0x690/0x690
[  401.420199]  ndisc_alloc_skb+0x144/0x340
[  401.424258]  ndisc_send_rs+0x331/0x6e0
[  401.428161]  addrconf_rs_timer+0x314/0x690
[  401.432405]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.436643]  call_timer_fn+0x272/0x920
[  401.440522]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.444749]  ? process_timeout+0x40/0x40
[  401.448813]  ? __run_timers+0x7da/0xc70
[  401.452785]  ? _raw_spin_unlock_irq+0x27/0x80
[  401.457273]  ? _raw_spin_unlock_irq+0x27/0x80
[  401.461767]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.465995]  ? lockdep_hardirqs_on+0x296/0x5b0
[  401.470570]  ? trace_hardirqs_on+0xbd/0x310
[  401.474886]  ? kasan_check_read+0x11/0x20
[  401.479029]  ? __run_timers+0x7da/0xc70
[  401.483003]  ? trace_hardirqs_off_caller+0x310/0x310
[  401.488113]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.492348]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.496576]  __run_timers+0x7e5/0xc70
[  401.500379]  ? timer_fixup_init+0x70/0x70
[  401.504531]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  401.509546]  ? zap_class+0x640/0x640
[  401.513259]  ? enqueue_hrtimer+0x1a5/0x560
[  401.517493]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  401.522686]  ? find_held_lock+0x36/0x1c0
[  401.526745]  ? zap_class+0x640/0x640
[  401.530457]  ? pvclock_read_flags+0x160/0x160
[  401.534945]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.540478]  ? check_preemption_disabled+0x48/0x280
[  401.545587]  ? __lock_is_held+0xb5/0x140
[  401.549643]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.555178]  ? check_preemption_disabled+0x48/0x280
[  401.560194]  run_timer_softirq+0x52/0xb0
[  401.564248]  ? rcu_read_lock_sched_held+0x14f/0x180
[  401.569262]  __do_softirq+0x308/0xb7e
[  401.573059]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  401.577562]  ? lock_downgrade+0x900/0x900
[  401.581712]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  401.586818]  ? pvclock_read_flags+0x160/0x160
[  401.591308]  ? lapic_next_event+0x5a/0x90
[  401.595452]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.600988]  ? kvm_clock_read+0x18/0x30
[  401.604956]  ? kvm_sched_clock_read+0x9/0x20
[  401.609360]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.614891]  ? check_preemption_disabled+0x48/0x280
[  401.619917]  irq_exit+0x17f/0x1c0
[  401.623370]  smp_apic_timer_interrupt+0x1cb/0x760
[  401.628209]  ? smp_reschedule_interrupt+0x109/0x650
[  401.633225]  ? smp_call_function_single_interrupt+0x650/0x650
[  401.639104]  ? interrupt_entry+0xb5/0xc0
[  401.643165]  ? trace_hardirqs_off_caller+0xbb/0x310
[  401.648174]  ? trace_hardirqs_off_caller+0xbb/0x310
[  401.653185]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  401.658026]  ? trace_hardirqs_on_caller+0x310/0x310
[  401.663042]  ? trace_hardirqs_on_caller+0x310/0x310
[  401.668067]  ? task_prio+0x50/0x50
[  401.671613]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.677147]  ? check_preemption_disabled+0x48/0x280
[  401.682162]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  401.687012]  apic_timer_interrupt+0xf/0x20
[  401.691235]  </IRQ>
[  401.693473] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  401.698399] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  401.717293] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  401.724993] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  401.732259] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  401.739520] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  401.747474] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  401.754738] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  401.762038]  skb_clone+0x1bb/0x500
[  401.765583]  ? finish_task_switch+0x2f4/0x910
[  401.770084]  ? skb_split+0x11e0/0x11e0
[  401.773968]  ? preempt_notifier_register+0x200/0x200
[  401.779078]  ? __switch_to_asm+0x34/0x70
[  401.783132]  ? __switch_to_asm+0x34/0x70
[  401.787185]  ? __switch_to_asm+0x40/0x70
[  401.791241]  ? __switch_to_asm+0x34/0x70
[  401.795299]  ? __switch_to_asm+0x40/0x70
[  401.799351]  ? __switch_to_asm+0x34/0x70
[  401.803407]  ? __switch_to_asm+0x40/0x70
[  401.807460]  ? __switch_to_asm+0x34/0x70
[  401.811516]  ? __switch_to_asm+0x34/0x70
[  401.815572]  ? __switch_to_asm+0x40/0x70
[  401.819640]  ? __switch_to_asm+0x34/0x70
[  401.823700]  bpf_clone_redirect+0xb9/0x490
[  401.827927]  ? __schedule+0x8d7/0x21d0
[  401.831816]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  401.836742]  ? __sched_text_start+0x8/0x8
[  401.840890]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  401.845477]  ? retint_kernel+0x2d/0x2d
[  401.849361]  ? trace_hardirqs_on_caller+0xc0/0x310
[  401.854287]  ? find_held_lock+0x36/0x1c0
[  401.858354]  ? lock_acquire+0x1ed/0x520
[  401.862327]  ? bpf_test_run+0x3cb/0x780
[  401.866298]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.871829]  ? check_preemption_disabled+0x48/0x280
[  401.876845]  ? kasan_check_read+0x11/0x20
[  401.880985]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  401.886258]  ? rcu_softirq_qs+0x20/0x20
[  401.890228]  ? preempt_schedule+0x4d/0x60
[  401.894370]  ? ___preempt_schedule+0x16/0x18
[  401.898779]  ? bpf_test_run+0x25d/0x780
[  401.902760]  ? netlink_diag_dump+0x2a0/0x2a0
[  401.907170]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  401.912716]  ? bpf_test_init.isra.10+0x70/0x100
[  401.917390]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  401.922159]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  401.927013]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  401.932548]  ? fput+0x130/0x1a0
[  401.935821]  ? __bpf_prog_get+0x9b/0x290
[  401.939881]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  401.944715]  ? bpf_prog_test_run+0x130/0x1a0
[  401.949130]  ? __x64_sys_bpf+0x3d8/0x520
[  401.953191]  ? bpf_prog_get+0x20/0x20
[  401.957008]  ? do_syscall_64+0x1b9/0x820
[  401.961079]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  401.966442]  ? syscall_return_slowpath+0x5e0/0x5e0
[  401.971373]  ? trace_hardirqs_on_caller+0x310/0x310
[  401.976855]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  401.981867]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  401.988527]  ? __switch_to_asm+0x40/0x70
[  401.992584]  ? __switch_to_asm+0x34/0x70
[  401.996649]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  402.001494]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  402.006873] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  402.006934] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  402.013710] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  402.013715] Call Trace:
[  402.013732]  dump_stack+0x244/0x39d
[  402.013752]  ? dump_stack_print_info.cold.1+0x20/0x20
[  402.020550] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  402.029830]  warn_alloc.cold.116+0xb7/0x1bd
[  402.032381] syz-executor4 cpuset=syz4 mems_allowed=0
[  402.035995]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  402.065868]  ? lock_downgrade+0x900/0x900
[  402.070017]  ? trace_hardirqs_off+0xb8/0x310
[  402.074431]  ? trace_hardirqs_off+0xb8/0x310
[  402.078842]  __alloc_pages_slowpath+0x26e8/0x2e10
[  402.083707]  ? warn_alloc+0x120/0x120
[  402.087507]  ? warn_alloc+0x120/0x120
[  402.091300]  ? __bfs+0xb0/0x780
[  402.094576]  ? warn_alloc+0x120/0x120
[  402.098374]  ? print_usage_bug+0xc0/0xc0
[  402.102432]  ? lockdep_on+0x50/0x50
[  402.106065]  ? print_usage_bug+0xc0/0xc0
[  402.110213]  ? check_usage+0x1aa/0x790
[  402.114107]  ? trace_hardirqs_off+0xb8/0x310
[  402.118513]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  402.124051]  ? should_fail+0x22d/0xd01
[  402.127937]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  402.133040]  ? __lock_acquire+0x62f/0x4c20
[  402.137275]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  402.142873]  ? __lock_acquire+0x62f/0x4c20
[  402.147108]  ? should_fail+0x22d/0xd01
[  402.151009]  ? mark_held_locks+0x130/0x130
[  402.155252]  ? mark_held_locks+0x130/0x130
[  402.159488]  ? zap_class+0x640/0x640
[  402.163197]  ? ret_from_fork+0x3a/0x50
[  402.167090]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.172622]  ? check_preemption_disabled+0x48/0x280
[  402.177642]  ? __lock_is_held+0xb5/0x140
[  402.181704]  __alloc_pages_nodemask+0xa80/0xde0
[  402.186368]  ? zap_class+0x640/0x640
[  402.190082]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  402.195104]  ? find_held_lock+0x36/0x1c0
[  402.199169]  ? ____cache_alloc_node+0x1c7/0x1e0
[  402.203836]  ? lock_downgrade+0x900/0x900
[  402.207988]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.213529]  cache_grow_begin+0xa5/0x8c0
[  402.217587]  ? do_raw_spin_unlock+0xa7/0x330
[  402.221998]  fallback_alloc+0x204/0x2e0
[  402.225982]  ____cache_alloc_node+0x1c7/0x1e0
[  402.230482]  kmem_cache_alloc_node+0xe3/0x730
[  402.234975]  ? mark_held_locks+0xc7/0x130
[  402.239130]  __alloc_skb+0x119/0x770
[  402.242842]  ? netdev_alloc_frag+0x1f0/0x1f0
[  402.247244]  ? do_raw_spin_trylock+0x270/0x270
[  402.251825]  ? kmem_cache_alloc_trace+0x353/0x750
[  402.256666]  ? queue_work_on+0x12c/0x1e0
[  402.260732]  ? switchdev_port_obj_del+0xdc/0x440
[  402.265486]  ? switchdev_trans_item_enqueue+0x260/0x260
[  402.270849]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  402.275862]  __br_mdb_notify+0x4ff/0x15d0
[  402.280021]  ? __br_mdb_add+0x7f0/0x7f0
[  402.284002]  ? zap_class+0x640/0x640
[  402.287726]  ? br_multicast_group_expired+0x96/0x610
[  402.292822]  ? lock_downgrade+0x900/0x900
[  402.296995]  br_mdb_notify+0x310/0x410
[  402.300884]  ? br_mdb_dump+0x27b0/0x27b0
[  402.304945]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.310489]  br_multicast_group_expired+0x1bc/0x610
[  402.315508]  ? br_mdb_free+0x80/0x80
[  402.319235]  call_timer_fn+0x272/0x920
[  402.323123]  ? br_mdb_free+0x80/0x80
[  402.326833]  ? process_timeout+0x40/0x40
[  402.330904]  ? __run_timers+0x7da/0xc70
[  402.334874]  ? _raw_spin_unlock_irq+0x27/0x80
[  402.339377]  ? _raw_spin_unlock_irq+0x27/0x80
[  402.343865]  ? br_mdb_free+0x80/0x80
[  402.347574]  ? lockdep_hardirqs_on+0x296/0x5b0
[  402.352169]  ? trace_hardirqs_on+0xbd/0x310
[  402.356485]  ? kasan_check_read+0x11/0x20
[  402.360629]  ? __run_timers+0x7da/0xc70
[  402.364600]  ? trace_hardirqs_off_caller+0x310/0x310
[  402.369704]  ? br_mdb_free+0x80/0x80
[  402.373416]  ? br_mdb_free+0x80/0x80
[  402.377123]  __run_timers+0x7e5/0xc70
[  402.380926]  ? timer_fixup_init+0x70/0x70
[  402.385067]  ? _raw_spin_unlock_irq+0x27/0x80
[  402.389559]  ? _raw_spin_unlock_irq+0x27/0x80
[  402.394062]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  402.398639]  ? trace_hardirqs_on+0xbd/0x310
[  402.402951]  ? kasan_check_read+0x11/0x20
[  402.407095]  ? finish_task_switch+0x1f4/0x910
[  402.411588]  ? trace_hardirqs_off_caller+0x310/0x310
[  402.416709]  ? compat_start_thread+0x80/0x80
[  402.421135]  ? pvclock_read_flags+0x160/0x160
[  402.425633]  ? __switch_to_asm+0x34/0x70
[  402.429690]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.435222]  ? check_preemption_disabled+0x48/0x280
[  402.440247]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  402.445782]  ? rcu_pm_notify+0xc0/0xc0
[  402.449682]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.455215]  ? check_preemption_disabled+0x48/0x280
[  402.460232]  run_timer_softirq+0x52/0xb0
[  402.464303]  ? rcu_read_lock_sched_held+0x14f/0x180
[  402.469314]  __do_softirq+0x308/0xb7e
[  402.473119]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  402.478229]  ? trace_hardirqs_off+0xb8/0x310
[  402.482628]  ? rcu_irq_enter+0x18c/0x310
[  402.486692]  ? schedule+0x108/0x460
[  402.490316]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  402.495074]  ? trace_hardirqs_off+0xb8/0x310
[  402.499477]  ? smpboot_thread_fn+0x68b/0xa00
[  402.503890]  ? trace_hardirqs_on+0x310/0x310
[  402.508299]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  402.513833]  ? check_preemption_disabled+0x48/0x280
[  402.518847]  ? takeover_tasklets+0xa90/0xa90
[  402.523251]  run_ksoftirqd+0x5e/0x100
[  402.527046]  smpboot_thread_fn+0x68b/0xa00
[  402.531283]  ? sort_range+0x30/0x30
[  402.534913]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  402.540016]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  402.545549]  ? __kthread_parkme+0xfb/0x1a0
[  402.549782]  ? sort_range+0x30/0x30
[  402.553401]  kthread+0x35a/0x440
[  402.556764]  ? kthread_stop+0x900/0x900
[  402.560733]  ret_from_fork+0x3a/0x50
[  402.564457] warn_alloc_show_mem: 1 callbacks suppressed
[  402.564466] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  402.564467] Mem-Info:
[  402.564495] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  402.564495]  active_file:16 inactive_file:14 isolated_file:0
[  402.564495]  unevictable:0 dirty:0 writeback:0 unstable:0
[  402.564495]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  402.564495]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  402.564495]  free:13767 free_pcp:490 free_cma:0
[  402.569833] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  402.569840] Call Trace:
[  402.577115] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  402.579509]  <IRQ>
[  402.612538] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  402.621888]  dump_stack+0x244/0x39d
[  402.624440] lowmem_reserve[]: 0 2818 6321 6321
[  402.652105]  ? dump_stack_print_info.cold.1+0x20/0x20
[  402.654230] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  402.680339]  warn_alloc.cold.116+0xb7/0x1bd
[  402.683930] lowmem_reserve[]: 0 0 3503 3503
[  402.688503]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  402.693663] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  402.721151]  ? lock_downgrade+0x900/0x900
[  402.725441] lowmem_reserve[]: 0 0 0 0
[  402.729757]  ? trace_hardirqs_off+0xb8/0x310
[  402.734566] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  402.763732]  ? trace_hardirqs_off+0xb8/0x310
[  402.767851] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  402.771648]  __alloc_pages_slowpath+0x26e8/0x2e10
[  402.776025] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  402.789575]  ? warn_alloc+0x120/0x120
[  402.793943] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  402.809269]  ? print_usage_bug+0xc0/0xc0
[  402.814086] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  402.814094] 1997 total pagecache pages
[  402.829255]  ? warn_alloc+0x120/0x120
[  402.833037] 0 pages in swap cache
[  402.841857]  ? warn_alloc+0x120/0x120
[  402.845890] Swap cache stats: add 0, delete 0, find 0/0
[  402.854448]  ? print_usage_bug+0xc0/0xc0
[  402.858304] Free swap  = 0kB
[  402.862107]  ? kvm_clock_read+0x18/0x30
[  402.865530] Total swap = 0kB
[  402.869321]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  402.874742] 1965979 pages RAM
[  402.878789]  ? print_usage_bug+0xc0/0xc0
[  402.881797] 0 pages HighMem/MovableOnly
[  402.881804] 342853 pages reserved
[  402.885767]  ? __lock_acquire+0x62f/0x4c20
[  402.888755] 0 pages cma reserved
[  402.893761]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  402.896977] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  402.900885]  ? should_fail+0x22d/0xd01
[  402.904829] ksoftirqd/1 cpuset=/ mems_allowed=0
[  402.908265]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  402.908283]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  402.950514]  ? __lock_acquire+0x62f/0x4c20
[  402.954748]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  402.959844]  ? __lock_acquire+0x62f/0x4c20
[  402.964083]  ? should_fail+0x22d/0xd01
[  402.967967]  ? rcu_irq_exit+0x1a2/0x390
[  402.971977]  ? mark_held_locks+0x130/0x130
[  402.976214]  ? mark_held_locks+0x130/0x130
[  402.980445]  ? mark_held_locks+0xc7/0x130
[  402.984585]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  402.989611]  ? zap_class+0x640/0x640
[  402.993322]  ? print_usage_bug+0xc0/0xc0
[  402.997385]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.002917]  ? check_preemption_disabled+0x48/0x280
[  403.007938]  ? __lock_is_held+0xb5/0x140
[  403.012008]  __alloc_pages_nodemask+0xa80/0xde0
[  403.016671]  ? zap_class+0x640/0x640
[  403.020385]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  403.025404]  ? find_held_lock+0x36/0x1c0
[  403.029481]  ? ____cache_alloc_node+0x1c7/0x1e0
[  403.034151]  ? lock_downgrade+0x900/0x900
[  403.038313]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.043862]  cache_grow_begin+0xa5/0x8c0
[  403.047919]  ? do_raw_spin_unlock+0xa7/0x330
[  403.052333]  fallback_alloc+0x204/0x2e0
[  403.056309]  ____cache_alloc_node+0x1c7/0x1e0
[  403.060803]  kmem_cache_alloc_node+0xe3/0x730
[  403.065293]  ? ipv6_get_ifaddr+0x42e/0x620
[  403.069531]  __alloc_skb+0x119/0x770
[  403.073237]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  403.078513]  ? netdev_alloc_frag+0x1f0/0x1f0
[  403.082913]  ? lock_downgrade+0x900/0x900
[  403.087063]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.092595]  ? refcount_sub_and_test_checked+0x203/0x310
[  403.098047]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  403.103491]  ? addrconf_rs_timer+0x690/0x690
[  403.107904]  ndisc_alloc_skb+0x144/0x340
[  403.111981]  ndisc_send_rs+0x331/0x6e0
[  403.115869]  addrconf_rs_timer+0x314/0x690
[  403.120105]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.124345]  call_timer_fn+0x272/0x920
[  403.128229]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.132459]  ? process_timeout+0x40/0x40
[  403.136520]  ? __run_timers+0x7da/0xc70
[  403.140494]  ? _raw_spin_unlock_irq+0x27/0x80
[  403.144989]  ? _raw_spin_unlock_irq+0x27/0x80
[  403.149495]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.153811]  ? lockdep_hardirqs_on+0x296/0x5b0
[  403.158393]  ? trace_hardirqs_on+0xbd/0x310
[  403.162711]  ? kasan_check_read+0x11/0x20
[  403.166854]  ? __run_timers+0x7da/0xc70
[  403.170830]  ? trace_hardirqs_off_caller+0x310/0x310
[  403.175949]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.180178]  __run_timers+0x7e5/0xc70
[  403.183988]  ? timer_fixup_init+0x70/0x70
[  403.188131]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  403.193141]  ? zap_class+0x640/0x640
[  403.196852]  ? enqueue_hrtimer+0x1a5/0x560
[  403.201085]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  403.206280]  ? find_held_lock+0x36/0x1c0
[  403.210343]  ? zap_class+0x640/0x640
[  403.214055]  ? pvclock_read_flags+0x160/0x160
[  403.218545]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.224076]  ? check_preemption_disabled+0x48/0x280
[  403.229099]  ? __lock_is_held+0xb5/0x140
[  403.233157]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.238686]  ? check_preemption_disabled+0x48/0x280
[  403.243701]  run_timer_softirq+0x52/0xb0
[  403.247756]  ? rcu_read_lock_sched_held+0x14f/0x180
[  403.252769]  __do_softirq+0x308/0xb7e
[  403.256566]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  403.261058]  ? lock_downgrade+0x900/0x900
[  403.265204]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  403.270334]  ? pvclock_read_flags+0x160/0x160
[  403.274824]  ? lapic_next_event+0x5a/0x90
[  403.278977]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.284511]  ? kvm_clock_read+0x18/0x30
[  403.288478]  ? kvm_sched_clock_read+0x9/0x20
[  403.292881]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.298411]  ? check_preemption_disabled+0x48/0x280
[  403.303429]  irq_exit+0x17f/0x1c0
[  403.306876]  smp_apic_timer_interrupt+0x1cb/0x760
[  403.311711]  ? smp_reschedule_interrupt+0x109/0x650
[  403.316726]  ? smp_call_function_single_interrupt+0x650/0x650
[  403.322602]  ? interrupt_entry+0xb5/0xc0
[  403.326658]  ? trace_hardirqs_off_caller+0xbb/0x310
[  403.331666]  ? trace_hardirqs_off_caller+0xbb/0x310
[  403.336677]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  403.341513]  ? trace_hardirqs_on_caller+0x310/0x310
[  403.346526]  ? trace_hardirqs_on_caller+0x310/0x310
[  403.351536]  ? task_prio+0x50/0x50
[  403.355070]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.360601]  ? check_preemption_disabled+0x48/0x280
[  403.365633]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  403.370483]  apic_timer_interrupt+0xf/0x20
[  403.374704]  </IRQ>
[  403.376953] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  403.381878] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  403.400770] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  403.408474] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  403.415734] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  403.422997] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  403.430258] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  403.437615] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  403.444910]  skb_clone+0x1bb/0x500
[  403.448456]  ? finish_task_switch+0x2f4/0x910
[  403.452956]  ? skb_split+0x11e0/0x11e0
[  403.456839]  ? preempt_notifier_register+0x200/0x200
[  403.461945]  ? __switch_to_asm+0x34/0x70
[  403.465998]  ? __switch_to_asm+0x34/0x70
[  403.470055]  ? __switch_to_asm+0x40/0x70
[  403.474113]  ? __switch_to_asm+0x34/0x70
[  403.478163]  ? __switch_to_asm+0x40/0x70
[  403.482215]  ? __switch_to_asm+0x34/0x70
[  403.486269]  ? __switch_to_asm+0x40/0x70
[  403.490323]  ? __switch_to_asm+0x34/0x70
[  403.494377]  ? __switch_to_asm+0x34/0x70
[  403.498432]  ? __switch_to_asm+0x40/0x70
[  403.502484]  ? __switch_to_asm+0x34/0x70
[  403.506548]  bpf_clone_redirect+0xb9/0x490
[  403.510777]  ? __schedule+0x8d7/0x21d0
[  403.514664]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  403.519595]  ? __sched_text_start+0x8/0x8
[  403.523744]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  403.528321]  ? retint_kernel+0x2d/0x2d
[  403.532202]  ? trace_hardirqs_on_caller+0xc0/0x310
[  403.537132]  ? find_held_lock+0x36/0x1c0
[  403.541194]  ? lock_acquire+0x1ed/0x520
[  403.545166]  ? bpf_test_run+0x3cb/0x780
[  403.549135]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.554667]  ? check_preemption_disabled+0x48/0x280
[  403.559682]  ? kasan_check_read+0x11/0x20
[  403.563828]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  403.569100]  ? rcu_softirq_qs+0x20/0x20
[  403.573070]  ? preempt_schedule+0x4d/0x60
[  403.577212]  ? ___preempt_schedule+0x16/0x18
[  403.581623]  ? bpf_test_run+0x25d/0x780
[  403.585605]  ? netlink_diag_dump+0x2a0/0x2a0
[  403.590011]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  403.595542]  ? bpf_test_init.isra.10+0x70/0x100
[  403.600213]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  403.604972]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  403.609812]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  403.615341]  ? fput+0x130/0x1a0
[  403.618615]  ? __bpf_prog_get+0x9b/0x290
[  403.622673]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  403.627511]  ? bpf_prog_test_run+0x130/0x1a0
[  403.631935]  ? __x64_sys_bpf+0x3d8/0x520
[  403.635991]  ? bpf_prog_get+0x20/0x20
[  403.639805]  ? do_syscall_64+0x1b9/0x820
[  403.643871]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  403.649231]  ? syscall_return_slowpath+0x5e0/0x5e0
[  403.654160]  ? trace_hardirqs_on_caller+0x310/0x310
[  403.659174]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  403.664186]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  403.670847]  ? __switch_to_asm+0x40/0x70
[  403.674900]  ? __switch_to_asm+0x34/0x70
[  403.678972]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  403.683817]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  403.689193] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  403.689253] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  403.696036] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  403.696043] Call Trace:
[  403.702591] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  403.711861]  dump_stack+0x244/0x39d
[  403.714418] syz-executor4 cpuset=syz4 mems_allowed=0
[  403.724893]  ? dump_stack_print_info.cold.1+0x20/0x20
[  403.738771]  warn_alloc.cold.116+0xb7/0x1bd
[  403.743090]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  403.747930]  ? lock_downgrade+0x900/0x900
[  403.752082]  ? trace_hardirqs_off+0xb8/0x310
[  403.756493]  ? trace_hardirqs_off+0xb8/0x310
[  403.760913]  __alloc_pages_slowpath+0x26e8/0x2e10
[  403.765793]  ? warn_alloc+0x120/0x120
[  403.769624]  ? warn_alloc+0x120/0x120
[  403.773431]  ? __bfs+0xb0/0x780
[  403.776708]  ? warn_alloc+0x120/0x120
[  403.780505]  ? print_usage_bug+0xc0/0xc0
[  403.784657]  ? lockdep_on+0x50/0x50
[  403.788281]  ? print_usage_bug+0xc0/0xc0
[  403.792337]  ? check_usage+0x1aa/0x790
[  403.796219]  ? trace_hardirqs_off+0xb8/0x310
[  403.800624]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  403.806162]  ? should_fail+0x22d/0xd01
[  403.810048]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  403.815149]  ? __lock_acquire+0x62f/0x4c20
[  403.819391]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  403.824493]  ? __lock_acquire+0x62f/0x4c20
[  403.828722]  ? should_fail+0x22d/0xd01
[  403.832612]  ? mark_held_locks+0x130/0x130
[  403.836843]  ? mark_held_locks+0x130/0x130
[  403.841076]  ? zap_class+0x640/0x640
[  403.844782]  ? ret_from_fork+0x3a/0x50
[  403.848666]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.854200]  ? check_preemption_disabled+0x48/0x280
[  403.859219]  ? __lock_is_held+0xb5/0x140
[  403.863283]  __alloc_pages_nodemask+0xa80/0xde0
[  403.867951]  ? zap_class+0x640/0x640
[  403.871665]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  403.876718]  ? find_held_lock+0x36/0x1c0
[  403.880816]  ? ____cache_alloc_node+0x1c7/0x1e0
[  403.885480]  ? lock_downgrade+0x900/0x900
[  403.889628]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.895163]  cache_grow_begin+0xa5/0x8c0
[  403.899222]  ? do_raw_spin_unlock+0xa7/0x330
[  403.903636]  fallback_alloc+0x204/0x2e0
[  403.907618]  ____cache_alloc_node+0x1c7/0x1e0
[  403.912120]  kmem_cache_alloc_node+0xe3/0x730
[  403.916701]  ? mark_held_locks+0xc7/0x130
[  403.920857]  __alloc_skb+0x119/0x770
[  403.924579]  ? netdev_alloc_frag+0x1f0/0x1f0
[  403.928980]  ? do_raw_spin_trylock+0x270/0x270
[  403.933571]  ? kmem_cache_alloc_trace+0x353/0x750
[  403.938420]  ? queue_work_on+0x12c/0x1e0
[  403.942499]  ? switchdev_port_obj_del+0xdc/0x440
[  403.947249]  ? switchdev_trans_item_enqueue+0x260/0x260
[  403.952610]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  403.957626]  __br_mdb_notify+0x4ff/0x15d0
[  403.961778]  ? __br_mdb_add+0x7f0/0x7f0
[  403.965756]  ? zap_class+0x640/0x640
[  403.969477]  ? br_multicast_group_expired+0x96/0x610
[  403.974824]  ? lock_downgrade+0x900/0x900
[  403.978976]  br_mdb_notify+0x310/0x410
[  403.982858]  ? br_mdb_dump+0x27b0/0x27b0
[  403.986926]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.992466]  br_multicast_group_expired+0x1bc/0x610
[  403.997484]  ? br_mdb_free+0x80/0x80
[  404.001204]  call_timer_fn+0x272/0x920
[  404.005087]  ? br_mdb_free+0x80/0x80
[  404.008800]  ? process_timeout+0x40/0x40
[  404.012870]  ? __run_timers+0x7da/0xc70
[  404.016852]  ? _raw_spin_unlock_irq+0x27/0x80
[  404.021346]  ? _raw_spin_unlock_irq+0x27/0x80
[  404.025842]  ? br_mdb_free+0x80/0x80
[  404.029552]  ? lockdep_hardirqs_on+0x296/0x5b0
[  404.034133]  ? trace_hardirqs_on+0xbd/0x310
[  404.038449]  ? kasan_check_read+0x11/0x20
[  404.042592]  ? __run_timers+0x7da/0xc70
[  404.046567]  ? trace_hardirqs_off_caller+0x310/0x310
[  404.051671]  ? br_mdb_free+0x80/0x80
[  404.055383]  ? br_mdb_free+0x80/0x80
[  404.059096]  __run_timers+0x7e5/0xc70
[  404.062912]  ? timer_fixup_init+0x70/0x70
[  404.067054]  ? _raw_spin_unlock_irq+0x27/0x80
[  404.071540]  ? _raw_spin_unlock_irq+0x27/0x80
[  404.076033]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  404.080611]  ? trace_hardirqs_on+0xbd/0x310
[  404.084931]  ? kasan_check_read+0x11/0x20
[  404.089080]  ? finish_task_switch+0x1f4/0x910
[  404.093571]  ? trace_hardirqs_off_caller+0x310/0x310
[  404.098669]  ? compat_start_thread+0x80/0x80
[  404.103094]  ? pvclock_read_flags+0x160/0x160
[  404.107582]  ? __switch_to_asm+0x34/0x70
[  404.111638]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.117175]  ? check_preemption_disabled+0x48/0x280
[  404.122193]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  404.127724]  ? rcu_pm_notify+0xc0/0xc0
[  404.131607]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.137138]  ? check_preemption_disabled+0x48/0x280
[  404.142651]  run_timer_softirq+0x52/0xb0
[  404.146710]  ? rcu_read_lock_sched_held+0x14f/0x180
[  404.151724]  __do_softirq+0x308/0xb7e
[  404.155528]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  404.160625]  ? trace_hardirqs_off+0xb8/0x310
[  404.165024]  ? rcu_irq_enter+0x18c/0x310
[  404.169091]  ? schedule+0x108/0x460
[  404.172712]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  404.177469]  ? trace_hardirqs_off+0xb8/0x310
[  404.181888]  ? smpboot_thread_fn+0x68b/0xa00
[  404.186295]  ? trace_hardirqs_on+0x310/0x310
[  404.190699]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.196232]  ? check_preemption_disabled+0x48/0x280
[  404.201245]  ? takeover_tasklets+0xa90/0xa90
[  404.205649]  run_ksoftirqd+0x5e/0x100
[  404.209445]  smpboot_thread_fn+0x68b/0xa00
[  404.213680]  ? sort_range+0x30/0x30
[  404.217305]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  404.222404]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.227936]  ? __kthread_parkme+0xfb/0x1a0
[  404.232171]  ? sort_range+0x30/0x30
[  404.235792]  kthread+0x35a/0x440
[  404.239154]  ? kthread_stop+0x900/0x900
[  404.243127]  ret_from_fork+0x3a/0x50
[  404.246847] warn_alloc_show_mem: 1 callbacks suppressed
[  404.246857] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  404.246867] Mem-Info:
[  404.246897] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  404.246897]  active_file:16 inactive_file:14 isolated_file:0
[  404.246897]  unevictable:0 dirty:0 writeback:0 unstable:0
[  404.246897]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  404.246897]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  404.246897]  free:13767 free_pcp:490 free_cma:0
[  404.252233] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  404.252240] Call Trace:
[  404.259514] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  404.261908]  <IRQ>
[  404.294942] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  404.304303]  dump_stack+0x244/0x39d
[  404.306862] lowmem_reserve[]: 0 2818 6321 6321
[  404.334526]  ? dump_stack_print_info.cold.1+0x20/0x20
[  404.336648] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  404.362765]  warn_alloc.cold.116+0xb7/0x1bd
[  404.366356] lowmem_reserve[]: 0 0 3503 3503
[  404.370933]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  404.376091] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  404.403583]  ? lock_downgrade+0x900/0x900
[  404.407877] lowmem_reserve[]: 0 0 0 0
[  404.412190]  ? trace_hardirqs_off+0xb8/0x310
[  404.417002] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  404.446157]  ? trace_hardirqs_off+0xb8/0x310
[  404.450274] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  404.454071]  __alloc_pages_slowpath+0x26e8/0x2e10
[  404.458447] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  404.471988]  ? warn_alloc+0x120/0x120
[  404.476357] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  404.491778]  ? print_usage_bug+0xc0/0xc0
[  404.496602] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  404.511678]  ? warn_alloc+0x120/0x120
[  404.515453] 1997 total pagecache pages
[  404.524284]  ? warn_alloc+0x120/0x120
[  404.528328] 0 pages in swap cache
[  404.536891]  ? print_usage_bug+0xc0/0xc0
[  404.540674] Swap cache stats: add 0, delete 0, find 0/0
[  404.544551]  ? kvm_clock_read+0x18/0x30
[  404.548329] Free swap  = 0kB
[  404.551774]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  404.555814] Total swap = 0kB
[  404.561170]  ? print_usage_bug+0xc0/0xc0
[  404.565122] 1965979 pages RAM
[  404.568136]  ? __lock_acquire+0x62f/0x4c20
[  404.573124] 0 pages HighMem/MovableOnly
[  404.573131] 342853 pages reserved
[  404.576286]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.580323] 0 pages cma reserved
[  404.583421]  ? should_fail+0x22d/0xd01
[  404.587762] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  404.591603]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  404.595034] ksoftirqd/1 cpuset=/ mems_allowed=0
[  404.600572]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  404.633108]  ? __lock_acquire+0x62f/0x4c20
[  404.637348]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  404.642456]  ? __lock_acquire+0x62f/0x4c20
[  404.646689]  ? should_fail+0x22d/0xd01
[  404.650578]  ? rcu_irq_exit+0x1a2/0x390
[  404.654564]  ? mark_held_locks+0x130/0x130
[  404.658809]  ? mark_held_locks+0x130/0x130
[  404.663069]  ? mark_held_locks+0xc7/0x130
[  404.667218]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  404.672238]  ? zap_class+0x640/0x640
[  404.675953]  ? print_usage_bug+0xc0/0xc0
[  404.680019]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.685559]  ? check_preemption_disabled+0x48/0x280
[  404.690587]  ? __lock_is_held+0xb5/0x140
[  404.694659]  __alloc_pages_nodemask+0xa80/0xde0
[  404.699337]  ? zap_class+0x640/0x640
[  404.703081]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  404.708115]  ? find_held_lock+0x36/0x1c0
[  404.712185]  ? ____cache_alloc_node+0x1c7/0x1e0
[  404.716870]  ? lock_downgrade+0x900/0x900
[  404.721030]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.726618]  cache_grow_begin+0xa5/0x8c0
[  404.730682]  ? do_raw_spin_unlock+0xa7/0x330
[  404.735103]  fallback_alloc+0x204/0x2e0
[  404.739088]  ____cache_alloc_node+0x1c7/0x1e0
[  404.743590]  kmem_cache_alloc_node+0xe3/0x730
[  404.748093]  ? ipv6_get_ifaddr+0x42e/0x620
[  404.752343]  __alloc_skb+0x119/0x770
[  404.756063]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  404.761348]  ? netdev_alloc_frag+0x1f0/0x1f0
[  404.765757]  ? lock_downgrade+0x900/0x900
[  404.769919]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.775461]  ? refcount_sub_and_test_checked+0x203/0x310
[  404.780923]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  404.786374]  ? addrconf_rs_timer+0x690/0x690
[  404.790800]  ndisc_alloc_skb+0x144/0x340
[  404.794884]  ndisc_send_rs+0x331/0x6e0
[  404.798777]  addrconf_rs_timer+0x314/0x690
[  404.803023]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  404.807272]  call_timer_fn+0x272/0x920
[  404.811163]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  404.815404]  ? process_timeout+0x40/0x40
[  404.819473]  ? __run_timers+0x7da/0xc70
[  404.823449]  ? _raw_spin_unlock_irq+0x27/0x80
[  404.827950]  ? _raw_spin_unlock_irq+0x27/0x80
[  404.832446]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  404.836686]  ? lockdep_hardirqs_on+0x296/0x5b0
[  404.841271]  ? trace_hardirqs_on+0xbd/0x310
[  404.845594]  ? kasan_check_read+0x11/0x20
[  404.849744]  ? __run_timers+0x7da/0xc70
[  404.853723]  ? trace_hardirqs_off_caller+0x310/0x310
[  404.858849]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  404.863091]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  404.867331]  __run_timers+0x7e5/0xc70
[  404.871146]  ? timer_fixup_init+0x70/0x70
[  404.875301]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  404.880323]  ? zap_class+0x640/0x640
[  404.884047]  ? enqueue_hrtimer+0x1a5/0x560
[  404.888286]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  404.893484]  ? find_held_lock+0x36/0x1c0
[  404.897553]  ? zap_class+0x640/0x640
[  404.901273]  ? pvclock_read_flags+0x160/0x160
[  404.905775]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.911314]  ? check_preemption_disabled+0x48/0x280
[  404.916340]  ? __lock_is_held+0xb5/0x140
[  404.920407]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.925950]  ? check_preemption_disabled+0x48/0x280
[  404.935488]  run_timer_softirq+0x52/0xb0
[  404.939554]  ? rcu_read_lock_sched_held+0x14f/0x180
[  404.944574]  __do_softirq+0x308/0xb7e
[  404.948380]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  404.952881]  ? lock_downgrade+0x900/0x900
[  404.957039]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  404.962149]  ? pvclock_read_flags+0x160/0x160
[  404.966649]  ? lapic_next_event+0x5a/0x90
[  404.970803]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.976370]  ? kvm_clock_read+0x18/0x30
[  404.980350]  ? kvm_sched_clock_read+0x9/0x20
[  404.984761]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.990301]  ? check_preemption_disabled+0x48/0x280
[  404.995330]  irq_exit+0x17f/0x1c0
[  404.998791]  smp_apic_timer_interrupt+0x1cb/0x760
[  405.003649]  ? smp_reschedule_interrupt+0x109/0x650
[  405.008671]  ? smp_call_function_single_interrupt+0x650/0x650
[  405.014556]  ? interrupt_entry+0xb5/0xc0
[  405.018626]  ? trace_hardirqs_off_caller+0xbb/0x310
[  405.023646]  ? trace_hardirqs_off_caller+0xbb/0x310
[  405.028666]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  405.033509]  ? trace_hardirqs_on_caller+0x310/0x310
[  405.038527]  ? trace_hardirqs_on_caller+0x310/0x310
[  405.043544]  ? task_prio+0x50/0x50
[  405.047117]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.052661]  ? check_preemption_disabled+0x48/0x280
[  405.057731]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  405.062582]  apic_timer_interrupt+0xf/0x20
[  405.066830]  </IRQ>
[  405.069074] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  405.074008] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  405.092914] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  405.100665] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  405.107935] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  405.115206] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  405.122476] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  405.129746] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  405.137054]  skb_clone+0x1bb/0x500
[  405.140601]  ? finish_task_switch+0x2f4/0x910
[  405.145099]  ? skb_split+0x11e0/0x11e0
[  405.148997]  ? preempt_notifier_register+0x200/0x200
[  405.154101]  ? __switch_to_asm+0x34/0x70
[  405.158161]  ? __switch_to_asm+0x34/0x70
[  405.162224]  ? __switch_to_asm+0x40/0x70
[  405.166328]  ? __switch_to_asm+0x34/0x70
[  405.170387]  ? __switch_to_asm+0x40/0x70
[  405.174446]  ? __switch_to_asm+0x34/0x70
[  405.178509]  ? __switch_to_asm+0x40/0x70
[  405.182567]  ? __switch_to_asm+0x34/0x70
[  405.186630]  ? __switch_to_asm+0x34/0x70
[  405.190689]  ? __switch_to_asm+0x40/0x70
[  405.194748]  ? __switch_to_asm+0x34/0x70
[  405.198832]  bpf_clone_redirect+0xb9/0x490
[  405.203076]  ? __schedule+0x8d7/0x21d0
[  405.206971]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  405.211905]  ? __sched_text_start+0x8/0x8
[  405.216062]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  405.220647]  ? retint_kernel+0x2d/0x2d
[  405.224539]  ? trace_hardirqs_on_caller+0xc0/0x310
[  405.229519]  ? find_held_lock+0x36/0x1c0
[  405.233599]  ? lock_acquire+0x1ed/0x520
[  405.237581]  ? bpf_test_run+0x3cb/0x780
[  405.241560]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.247102]  ? check_preemption_disabled+0x48/0x280
[  405.252126]  ? kasan_check_read+0x11/0x20
[  405.256277]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  405.261556]  ? rcu_softirq_qs+0x20/0x20
[  405.265533]  ? preempt_schedule+0x4d/0x60
[  405.269685]  ? ___preempt_schedule+0x16/0x18
[  405.274103]  ? bpf_test_run+0x25d/0x780
[  405.278091]  ? netlink_diag_dump+0x2a0/0x2a0
[  405.282504]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  405.288040]  ? bpf_test_init.isra.10+0x70/0x100
[  405.292713]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  405.297479]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  405.302326]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  405.307863]  ? fput+0x130/0x1a0
[  405.311145]  ? __bpf_prog_get+0x9b/0x290
[  405.315215]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  405.320058]  ? bpf_prog_test_run+0x130/0x1a0
[  405.324470]  ? __x64_sys_bpf+0x3d8/0x520
[  405.328537]  ? bpf_prog_get+0x20/0x20
[  405.332433]  ? do_syscall_64+0x1b9/0x820
[  405.336495]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  405.341864]  ? syscall_return_slowpath+0x5e0/0x5e0
[  405.346811]  ? trace_hardirqs_on_caller+0x310/0x310
[  405.351848]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  405.356869]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  405.363538]  ? __switch_to_asm+0x40/0x70
[  405.367599]  ? __switch_to_asm+0x34/0x70
[  405.371667]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  405.376515]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  405.381900] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  405.381959] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  405.388752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  405.388757] Call Trace:
[  405.388790]  dump_stack+0x244/0x39d
[  405.388811]  ? dump_stack_print_info.cold.1+0x20/0x20
[  405.395330] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  405.404649]  warn_alloc.cold.116+0xb7/0x1bd
[  405.407204] syz-executor4 cpuset=syz4 mems_allowed=0
[  405.410827]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  405.440725]  ? lock_downgrade+0x900/0x900
[  405.444881]  ? trace_hardirqs_off+0xb8/0x310
[  405.449302]  ? trace_hardirqs_off+0xb8/0x310
[  405.453722]  __alloc_pages_slowpath+0x26e8/0x2e10
[  405.458595]  ? warn_alloc+0x120/0x120
[  405.462406]  ? warn_alloc+0x120/0x120
[  405.466213]  ? __bfs+0xb0/0x780
[  405.469498]  ? warn_alloc+0x120/0x120
[  405.473305]  ? print_usage_bug+0xc0/0xc0
[  405.477370]  ? lockdep_on+0x50/0x50
[  405.481007]  ? print_usage_bug+0xc0/0xc0
[  405.485076]  ? check_usage+0x1aa/0x790
[  405.488975]  ? trace_hardirqs_off+0xb8/0x310
[  405.493389]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  405.498929]  ? should_fail+0x22d/0xd01
[  405.502835]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  405.507941]  ? __lock_acquire+0x62f/0x4c20
[  405.512184]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  405.517293]  ? __lock_acquire+0x62f/0x4c20
[  405.521529]  ? should_fail+0x22d/0xd01
[  405.525428]  ? mark_held_locks+0x130/0x130
[  405.529686]  ? mark_held_locks+0x130/0x130
[  405.533937]  ? zap_class+0x640/0x640
[  405.537654]  ? ret_from_fork+0x3a/0x50
[  405.541547]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.547093]  ? check_preemption_disabled+0x48/0x280
[  405.552119]  ? __lock_is_held+0xb5/0x140
[  405.556189]  __alloc_pages_nodemask+0xa80/0xde0
[  405.560873]  ? zap_class+0x640/0x640
[  405.564598]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  405.569630]  ? find_held_lock+0x36/0x1c0
[  405.573703]  ? ____cache_alloc_node+0x1c7/0x1e0
[  405.578377]  ? lock_downgrade+0x900/0x900
[  405.582538]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.588084]  cache_grow_begin+0xa5/0x8c0
[  405.592148]  ? do_raw_spin_unlock+0xa7/0x330
[  405.596565]  fallback_alloc+0x204/0x2e0
[  405.600547]  ____cache_alloc_node+0x1c7/0x1e0
[  405.605048]  kmem_cache_alloc_node+0xe3/0x730
[  405.609544]  ? mark_held_locks+0xc7/0x130
[  405.613702]  __alloc_skb+0x119/0x770
[  405.617422]  ? netdev_alloc_frag+0x1f0/0x1f0
[  405.621837]  ? do_raw_spin_trylock+0x270/0x270
[  405.626422]  ? kmem_cache_alloc_trace+0x353/0x750
[  405.631275]  ? queue_work_on+0x12c/0x1e0
[  405.635347]  ? switchdev_port_obj_del+0xdc/0x440
[  405.640110]  ? switchdev_trans_item_enqueue+0x260/0x260
[  405.645485]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  405.650507]  __br_mdb_notify+0x4ff/0x15d0
[  405.654663]  ? __br_mdb_add+0x7f0/0x7f0
[  405.658649]  ? zap_class+0x640/0x640
[  405.662374]  ? br_multicast_group_expired+0x96/0x610
[  405.667479]  ? lock_downgrade+0x900/0x900
[  405.671632]  br_mdb_notify+0x310/0x410
[  405.675519]  ? br_mdb_dump+0x27b0/0x27b0
[  405.679591]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.685139]  br_multicast_group_expired+0x1bc/0x610
[  405.690161]  ? br_mdb_free+0x80/0x80
[  405.693892]  call_timer_fn+0x272/0x920
[  405.697797]  ? br_mdb_free+0x80/0x80
[  405.701513]  ? process_timeout+0x40/0x40
[  405.705583]  ? __run_timers+0x7da/0xc70
[  405.709562]  ? _raw_spin_unlock_irq+0x27/0x80
[  405.714060]  ? _raw_spin_unlock_irq+0x27/0x80
[  405.718561]  ? br_mdb_free+0x80/0x80
[  405.722284]  ? lockdep_hardirqs_on+0x296/0x5b0
[  405.726869]  ? trace_hardirqs_on+0xbd/0x310
[  405.731195]  ? kasan_check_read+0x11/0x20
[  405.735343]  ? __run_timers+0x7da/0xc70
[  405.739319]  ? trace_hardirqs_off_caller+0x310/0x310
[  405.744431]  ? br_mdb_free+0x80/0x80
[  405.748155]  ? br_mdb_free+0x80/0x80
[  405.751871]  __run_timers+0x7e5/0xc70
[  405.755684]  ? timer_fixup_init+0x70/0x70
[  405.759833]  ? _raw_spin_unlock_irq+0x27/0x80
[  405.764333]  ? _raw_spin_unlock_irq+0x27/0x80
[  405.768833]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  405.773424]  ? trace_hardirqs_on+0xbd/0x310
[  405.777762]  ? kasan_check_read+0x11/0x20
[  405.781918]  ? finish_task_switch+0x1f4/0x910
[  405.786417]  ? trace_hardirqs_off_caller+0x310/0x310
[  405.791520]  ? compat_start_thread+0x80/0x80
[  405.795952]  ? pvclock_read_flags+0x160/0x160
[  405.800453]  ? __switch_to_asm+0x34/0x70
[  405.804518]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.810057]  ? check_preemption_disabled+0x48/0x280
[  405.815083]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  405.820629]  ? rcu_pm_notify+0xc0/0xc0
[  405.824520]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.830059]  ? check_preemption_disabled+0x48/0x280
[  405.835082]  run_timer_softirq+0x52/0xb0
[  405.839150]  ? rcu_read_lock_sched_held+0x14f/0x180
[  405.844168]  __do_softirq+0x308/0xb7e
[  405.847981]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  405.853087]  ? trace_hardirqs_off+0xb8/0x310
[  405.857496]  ? rcu_irq_enter+0x18c/0x310
[  405.861566]  ? schedule+0x108/0x460
[  405.865197]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  405.869964]  ? trace_hardirqs_off+0xb8/0x310
[  405.874377]  ? smpboot_thread_fn+0x68b/0xa00
[  405.878793]  ? trace_hardirqs_on+0x310/0x310
[  405.883205]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  405.888758]  ? check_preemption_disabled+0x48/0x280
[  405.893791]  ? takeover_tasklets+0xa90/0xa90
[  405.898202]  run_ksoftirqd+0x5e/0x100
[  405.902004]  smpboot_thread_fn+0x68b/0xa00
[  405.906284]  ? sort_range+0x30/0x30
[  405.909925]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  405.915032]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  405.920574]  ? __kthread_parkme+0xfb/0x1a0
[  405.924819]  ? sort_range+0x30/0x30
[  405.928452]  kthread+0x35a/0x440
[  405.931826]  ? kthread_stop+0x900/0x900
[  405.935810]  ret_from_fork+0x3a/0x50
[  405.939539] warn_alloc_show_mem: 1 callbacks suppressed
[  405.939548] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  405.939550] Mem-Info:
[  405.939580] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  405.939580]  active_file:16 inactive_file:14 isolated_file:0
[  405.939580]  unevictable:0 dirty:0 writeback:0 unstable:0
[  405.939580]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  405.939580]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  405.939580]  free:13767 free_pcp:490 free_cma:0
[  405.944921] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  405.944929] Call Trace:
[  405.952213] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  405.954614]  <IRQ>
[  405.988056] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  405.997425]  dump_stack+0x244/0x39d
[  405.999979] lowmem_reserve[]: 0 2818 6321 6321
[  406.027660]  ? dump_stack_print_info.cold.1+0x20/0x20
[  406.029789] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  406.055911]  warn_alloc.cold.116+0xb7/0x1bd
[  406.059501] lowmem_reserve[]: 0 0 3503 3503
[  406.064101]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  406.069270] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  406.096857]  ? lock_downgrade+0x900/0x900
[  406.101155] lowmem_reserve[]: 0 0 0 0
[  406.105489]  ? trace_hardirqs_off+0xb8/0x310
[  406.110303] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  406.139456]  ? trace_hardirqs_off+0xb8/0x310
[  406.144013] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  406.147851]  __alloc_pages_slowpath+0x26e8/0x2e10
[  406.152226] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  406.165859]  ? warn_alloc+0x120/0x120
[  406.170229] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  406.185567]  ? print_usage_bug+0xc0/0xc0
[  406.190394] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  406.205504]  ? warn_alloc+0x120/0x120
[  406.209290] 1997 total pagecache pages
[  406.218124]  ? warn_alloc+0x120/0x120
[  406.222175] 0 pages in swap cache
[  406.230828]  ? print_usage_bug+0xc0/0xc0
[  406.234610] Swap cache stats: add 0, delete 0, find 0/0
[  406.234618] Free swap  = 0kB
[  406.238503]  ? print_usage_bug+0xc0/0xc0
[  406.242281] Total swap = 0kB
[  406.245744]  ? __lock_acquire+0x62f/0x4c20
[  406.249782] 1965979 pages RAM
[  406.255143]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  406.258140] 0 pages HighMem/MovableOnly
[  406.262198]  ? should_fail+0x22d/0xd01
[  406.265197] 342853 pages reserved
[  406.269427]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  406.272511] 0 pages cma reserved
[  406.278041]  ? __lock_acquire+0x62f/0x4c20
[  406.282126] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  406.285923]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  406.289356] ksoftirqd/1 cpuset=/ mems_allowed=0
[  406.294445]  ? __lock_acquire+0x62f/0x4c20
[  406.294460]  ? should_fail+0x22d/0xd01
[  406.330200]  ? find_held_lock+0x36/0x1c0
[  406.334272]  ? mark_held_locks+0x130/0x130
[  406.338514]  ? mark_held_locks+0x130/0x130
[  406.342806]  ? zap_class+0x640/0x640
[  406.346527]  ? zap_class+0x640/0x640
[  406.350332]  ? print_usage_bug+0xc0/0xc0
[  406.354393]  ? do_raw_spin_unlock+0xa7/0x330
[  406.358803]  ? zap_class+0x640/0x640
[  406.362518]  ? print_usage_bug+0xc0/0xc0
[  406.366586]  ? wq_watchdog_touch+0x9c/0xfe
[  406.370828]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.376368]  ? check_preemption_disabled+0x48/0x280
[  406.381396]  ? __lock_is_held+0xb5/0x140
[  406.385467]  __alloc_pages_nodemask+0xa80/0xde0
[  406.390140]  ? zap_class+0x640/0x640
[  406.393864]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  406.398894]  ? find_held_lock+0x36/0x1c0
[  406.402967]  ? ____cache_alloc_node+0x1c7/0x1e0
[  406.407640]  ? lock_downgrade+0x900/0x900
[  406.411799]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.417449]  cache_grow_begin+0xa5/0x8c0
[  406.421512]  ? do_raw_spin_unlock+0xa7/0x330
[  406.425929]  fallback_alloc+0x204/0x2e0
[  406.429911]  ____cache_alloc_node+0x1c7/0x1e0
[  406.434413]  kmem_cache_alloc_node+0xe3/0x730
[  406.438915]  ? ipv6_get_ifaddr+0x42e/0x620
[  406.443172]  __alloc_skb+0x119/0x770
[  406.446887]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  406.452170]  ? netdev_alloc_frag+0x1f0/0x1f0
[  406.456585]  ? lock_downgrade+0x900/0x900
[  406.460750]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.466294]  ? refcount_sub_and_test_checked+0x203/0x310
[  406.471753]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  406.477206]  ? addrconf_rs_timer+0x690/0x690
[  406.481634]  ndisc_alloc_skb+0x144/0x340
[  406.485719]  ndisc_send_rs+0x331/0x6e0
[  406.489615]  addrconf_rs_timer+0x314/0x690
[  406.493860]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.498110]  call_timer_fn+0x272/0x920
[  406.501998]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.506238]  ? process_timeout+0x40/0x40
[  406.510311]  ? __run_timers+0x7da/0xc70
[  406.514291]  ? _raw_spin_unlock_irq+0x27/0x80
[  406.518787]  ? _raw_spin_unlock_irq+0x27/0x80
[  406.523282]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.527519]  ? lockdep_hardirqs_on+0x296/0x5b0
[  406.532108]  ? trace_hardirqs_on+0xbd/0x310
[  406.536435]  ? kasan_check_read+0x11/0x20
[  406.540582]  ? __run_timers+0x7da/0xc70
[  406.544562]  ? trace_hardirqs_off_caller+0x310/0x310
[  406.549672]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.553935]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.558173]  __run_timers+0x7e5/0xc70
[  406.562029]  ? timer_fixup_init+0x70/0x70
[  406.566184]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  406.571202]  ? zap_class+0x640/0x640
[  406.575033]  ? enqueue_hrtimer+0x1a5/0x560
[  406.579276]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  406.584474]  ? find_held_lock+0x36/0x1c0
[  406.588554]  ? zap_class+0x640/0x640
[  406.592272]  ? pvclock_read_flags+0x160/0x160
[  406.596774]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.602318]  ? check_preemption_disabled+0x48/0x280
[  406.607347]  ? __lock_is_held+0xb5/0x140
[  406.611412]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.616954]  ? check_preemption_disabled+0x48/0x280
[  406.621978]  run_timer_softirq+0x52/0xb0
[  406.626041]  ? rcu_read_lock_sched_held+0x14f/0x180
[  406.631062]  __do_softirq+0x308/0xb7e
[  406.634869]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  406.639367]  ? lock_downgrade+0x900/0x900
[  406.643522]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  406.648634]  ? pvclock_read_flags+0x160/0x160
[  406.653137]  ? lapic_next_event+0x5a/0x90
[  406.657288]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.662836]  ? kvm_clock_read+0x18/0x30
[  406.666818]  ? kvm_sched_clock_read+0x9/0x20
[  406.671233]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.676777]  ? check_preemption_disabled+0x48/0x280
[  406.681810]  irq_exit+0x17f/0x1c0
[  406.685267]  smp_apic_timer_interrupt+0x1cb/0x760
[  406.690109]  ? smp_reschedule_interrupt+0x109/0x650
[  406.695177]  ? smp_call_function_single_interrupt+0x650/0x650
[  406.701065]  ? interrupt_entry+0xb5/0xc0
[  406.705135]  ? trace_hardirqs_off_caller+0xbb/0x310
[  406.710156]  ? trace_hardirqs_off_caller+0xbb/0x310
[  406.715179]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  406.720026]  ? trace_hardirqs_on_caller+0x310/0x310
[  406.725043]  ? trace_hardirqs_on_caller+0x310/0x310
[  406.730063]  ? task_prio+0x50/0x50
[  406.733609]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.739148]  ? check_preemption_disabled+0x48/0x280
[  406.744173]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  406.749031]  apic_timer_interrupt+0xf/0x20
[  406.753262]  </IRQ>
[  406.755518] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  406.760454] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  406.779354] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  406.787067] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  406.794341] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  406.801644] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  406.808937] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  406.816210] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  406.823520]  skb_clone+0x1bb/0x500
[  406.827072]  ? finish_task_switch+0x2f4/0x910
[  406.831573]  ? skb_split+0x11e0/0x11e0
[  406.835465]  ? preempt_notifier_register+0x200/0x200
[  406.840570]  ? __switch_to_asm+0x34/0x70
[  406.844630]  ? __switch_to_asm+0x34/0x70
[  406.848713]  ? __switch_to_asm+0x40/0x70
[  406.852775]  ? __switch_to_asm+0x34/0x70
[  406.856837]  ? __switch_to_asm+0x40/0x70
[  406.860901]  ? __switch_to_asm+0x34/0x70
[  406.864965]  ? __switch_to_asm+0x40/0x70
[  406.869025]  ? __switch_to_asm+0x34/0x70
[  406.873085]  ? __switch_to_asm+0x34/0x70
[  406.877193]  ? __switch_to_asm+0x40/0x70
[  406.881311]  ? __switch_to_asm+0x34/0x70
[  406.885380]  bpf_clone_redirect+0xb9/0x490
[  406.889616]  ? __schedule+0x8d7/0x21d0
[  406.893512]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  406.898450]  ? __sched_text_start+0x8/0x8
[  406.902603]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  406.907189]  ? retint_kernel+0x2d/0x2d
[  406.911079]  ? trace_hardirqs_on_caller+0xc0/0x310
[  406.916019]  ? find_held_lock+0x36/0x1c0
[  406.920090]  ? lock_acquire+0x1ed/0x520
[  406.924070]  ? bpf_test_run+0x3cb/0x780
[  406.928050]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.933592]  ? check_preemption_disabled+0x48/0x280
[  406.938619]  ? kasan_check_read+0x11/0x20
[  406.942774]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  406.948056]  ? rcu_softirq_qs+0x20/0x20
[  406.952035]  ? preempt_schedule+0x4d/0x60
[  406.956190]  ? ___preempt_schedule+0x16/0x18
[  406.960608]  ? bpf_test_run+0x25d/0x780
[  406.964596]  ? netlink_diag_dump+0x2a0/0x2a0
[  406.969011]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  406.974550]  ? bpf_test_init.isra.10+0x70/0x100
[  406.979230]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  406.984045]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  406.988889]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  406.994431]  ? fput+0x130/0x1a0
[  406.997753]  ? __bpf_prog_get+0x9b/0x290
[  407.001821]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  407.006748]  ? bpf_prog_test_run+0x130/0x1a0
[  407.011161]  ? __x64_sys_bpf+0x3d8/0x520
[  407.015224]  ? bpf_prog_get+0x20/0x20
[  407.019044]  ? do_syscall_64+0x1b9/0x820
[  407.023111]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  407.028566]  ? syscall_return_slowpath+0x5e0/0x5e0
[  407.033505]  ? trace_hardirqs_on_caller+0x310/0x310
[  407.038529]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  407.043548]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  407.050223]  ? __switch_to_asm+0x40/0x70
[  407.054289]  ? __switch_to_asm+0x34/0x70
[  407.058364]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  407.063214]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  407.068603] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  407.068686] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  407.075465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  407.075470] Call Trace:
[  407.075490]  dump_stack+0x244/0x39d
[  407.075511]  ? dump_stack_print_info.cold.1+0x20/0x20
[  407.082063] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  407.091354]  warn_alloc.cold.116+0xb7/0x1bd
[  407.093911] syz-executor4 cpuset=syz4 mems_allowed=0
[  407.097537]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  407.127486]  ? lock_downgrade+0x900/0x900
[  407.131663]  ? trace_hardirqs_off+0xb8/0x310
[  407.136080]  ? trace_hardirqs_off+0xb8/0x310
[  407.140503]  __alloc_pages_slowpath+0x26e8/0x2e10
[  407.145380]  ? warn_alloc+0x120/0x120
[  407.149190]  ? warn_alloc+0x120/0x120
[  407.152994]  ? __bfs+0xb0/0x780
[  407.156281]  ? warn_alloc+0x120/0x120
[  407.160104]  ? print_usage_bug+0xc0/0xc0
[  407.164178]  ? lockdep_on+0x50/0x50
[  407.167813]  ? print_usage_bug+0xc0/0xc0
[  407.171881]  ? check_usage+0x1aa/0x790
[  407.175774]  ? trace_hardirqs_off+0xb8/0x310
[  407.180189]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  407.185731]  ? should_fail+0x22d/0xd01
[  407.189629]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  407.194755]  ? __lock_acquire+0x62f/0x4c20
[  407.198999]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  407.204104]  ? __lock_acquire+0x62f/0x4c20
[  407.208343]  ? should_fail+0x22d/0xd01
[  407.212249]  ? mark_held_locks+0x130/0x130
[  407.216495]  ? mark_held_locks+0x130/0x130
[  407.220743]  ? zap_class+0x640/0x640
[  407.224459]  ? ret_from_fork+0x3a/0x50
[  407.228354]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.233899]  ? check_preemption_disabled+0x48/0x280
[  407.238931]  ? __lock_is_held+0xb5/0x140
[  407.243001]  __alloc_pages_nodemask+0xa80/0xde0
[  407.247684]  ? zap_class+0x640/0x640
[  407.251408]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  407.256439]  ? find_held_lock+0x36/0x1c0
[  407.260515]  ? ____cache_alloc_node+0x1c7/0x1e0
[  407.265188]  ? lock_downgrade+0x900/0x900
[  407.269347]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.274892]  cache_grow_begin+0xa5/0x8c0
[  407.278958]  ? do_raw_spin_unlock+0xa7/0x330
[  407.283379]  fallback_alloc+0x204/0x2e0
[  407.287365]  ____cache_alloc_node+0x1c7/0x1e0
[  407.291882]  kmem_cache_alloc_node+0xe3/0x730
[  407.296381]  ? mark_held_locks+0xc7/0x130
[  407.300544]  __alloc_skb+0x119/0x770
[  407.304270]  ? netdev_alloc_frag+0x1f0/0x1f0
[  407.308681]  ? do_raw_spin_trylock+0x270/0x270
[  407.313271]  ? kmem_cache_alloc_trace+0x353/0x750
[  407.318124]  ? queue_work_on+0x12c/0x1e0
[  407.322198]  ? switchdev_port_obj_del+0xdc/0x440
[  407.326959]  ? switchdev_trans_item_enqueue+0x260/0x260
[  407.332376]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  407.337402]  __br_mdb_notify+0x4ff/0x15d0
[  407.341566]  ? __br_mdb_add+0x7f0/0x7f0
[  407.345555]  ? zap_class+0x640/0x640
[  407.349285]  ? br_multicast_group_expired+0x96/0x610
[  407.354394]  ? lock_downgrade+0x900/0x900
[  407.358556]  br_mdb_notify+0x310/0x410
[  407.362451]  ? br_mdb_dump+0x27b0/0x27b0
[  407.366526]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.372076]  br_multicast_group_expired+0x1bc/0x610
[  407.377105]  ? br_mdb_free+0x80/0x80
[  407.380832]  call_timer_fn+0x272/0x920
[  407.384724]  ? br_mdb_free+0x80/0x80
[  407.388439]  ? process_timeout+0x40/0x40
[  407.392512]  ? __run_timers+0x7da/0xc70
[  407.396495]  ? _raw_spin_unlock_irq+0x27/0x80
[  407.400997]  ? _raw_spin_unlock_irq+0x27/0x80
[  407.405496]  ? br_mdb_free+0x80/0x80
[  407.409220]  ? lockdep_hardirqs_on+0x296/0x5b0
[  407.413809]  ? trace_hardirqs_on+0xbd/0x310
[  407.418143]  ? kasan_check_read+0x11/0x20
[  407.422294]  ? __run_timers+0x7da/0xc70
[  407.426273]  ? trace_hardirqs_off_caller+0x310/0x310
[  407.431385]  ? br_mdb_free+0x80/0x80
[  407.435197]  ? br_mdb_free+0x80/0x80
[  407.438914]  __run_timers+0x7e5/0xc70
[  407.442729]  ? timer_fixup_init+0x70/0x70
[  407.446886]  ? _raw_spin_unlock_irq+0x27/0x80
[  407.451385]  ? _raw_spin_unlock_irq+0x27/0x80
[  407.455889]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  407.460476]  ? trace_hardirqs_on+0xbd/0x310
[  407.464845]  ? kasan_check_read+0x11/0x20
[  407.469002]  ? finish_task_switch+0x1f4/0x910
[  407.473507]  ? trace_hardirqs_off_caller+0x310/0x310
[  407.478631]  ? compat_start_thread+0x80/0x80
[  407.483064]  ? pvclock_read_flags+0x160/0x160
[  407.487564]  ? __switch_to_asm+0x34/0x70
[  407.491652]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.497195]  ? check_preemption_disabled+0x48/0x280
[  407.502223]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  407.507768]  ? rcu_pm_notify+0xc0/0xc0
[  407.511661]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.517205]  ? check_preemption_disabled+0x48/0x280
[  407.522229]  run_timer_softirq+0x52/0xb0
[  407.526293]  ? rcu_read_lock_sched_held+0x14f/0x180
[  407.531312]  __do_softirq+0x308/0xb7e
[  407.535133]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  407.540238]  ? trace_hardirqs_off+0xb8/0x310
[  407.544655]  ? rcu_irq_enter+0x18c/0x310
[  407.548739]  ? schedule+0x108/0x460
[  407.552368]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  407.557146]  ? trace_hardirqs_off+0xb8/0x310
[  407.561562]  ? smpboot_thread_fn+0x68b/0xa00
[  407.565976]  ? trace_hardirqs_on+0x310/0x310
[  407.570391]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  407.575932]  ? check_preemption_disabled+0x48/0x280
[  407.580954]  ? takeover_tasklets+0xa90/0xa90
[  407.585366]  run_ksoftirqd+0x5e/0x100
[  407.589168]  smpboot_thread_fn+0x68b/0xa00
[  407.593413]  ? sort_range+0x30/0x30
[  407.597044]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  407.602152]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  407.607694]  ? __kthread_parkme+0xfb/0x1a0
[  407.611944]  ? sort_range+0x30/0x30
[  407.615571]  kthread+0x35a/0x440
[  407.618946]  ? kthread_stop+0x900/0x900
[  407.622926]  ret_from_fork+0x3a/0x50
[  407.626682] warn_alloc_show_mem: 1 callbacks suppressed
[  407.626692] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  407.626694] Mem-Info:
[  407.626722] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  407.626722]  active_file:16 inactive_file:14 isolated_file:0
[  407.626722]  unevictable:0 dirty:0 writeback:0 unstable:0
[  407.626722]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  407.626722]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  407.626722]  free:13767 free_pcp:490 free_cma:0
[  407.632070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  407.639492] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  407.641889] Call Trace:
[  407.674932] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  407.684284]  <IRQ>
[  407.712122] lowmem_reserve[]: 0 2818 6321 6321
[  407.714719]  dump_stack+0x244/0x39d
[  407.741066] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  407.743220]  ? dump_stack_print_info.cold.1+0x20/0x20
[  407.747770] lowmem_reserve[]: 0 0 3503 3503
[  407.751411]  warn_alloc.cold.116+0xb7/0x1bd
[  407.778879] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  407.784070]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  407.788366] lowmem_reserve[]: 0 0 0 0
[  407.792692]  ? lock_downgrade+0x900/0x900
[  407.821826] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  407.826683]  ? trace_hardirqs_off+0xb8/0x310
[  407.830541] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  407.834688]  ? trace_hardirqs_off+0xb8/0x310
[  407.848181] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  407.852617]  __alloc_pages_slowpath+0x26e8/0x2e10
[  407.867936] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  407.872360]  ? warn_alloc+0x120/0x120
[  407.887406] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  407.892239]  ? print_usage_bug+0xc0/0xc0
[  407.901054] 1997 total pagecache pages
[  407.904852]  ? warn_alloc+0x120/0x120
[  407.913415] 0 pages in swap cache
[  407.917471]  ? warn_alloc+0x120/0x120
[  407.921336] Swap cache stats: add 0, delete 0, find 0/0
[  407.921343] Free swap  = 0kB
[  407.925140]  ? print_usage_bug+0xc0/0xc0
[  407.928573] Total swap = 0kB
[  407.932389]  ? kvm_clock_read+0x18/0x30
[  407.937732] 1965979 pages RAM
[  407.940750]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  407.944783] 0 pages HighMem/MovableOnly
[  407.944790] 342853 pages reserved
[  407.947809]  ? print_usage_bug+0xc0/0xc0
[  407.951759] 0 pages cma reserved
[  407.951903] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  407.954872]  ? __lock_acquire+0x62f/0x4c20
[  407.959869] ksoftirqd/1 cpuset=/ mems_allowed=0
[  407.963845]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  407.999953]  ? should_fail+0x22d/0xd01
[  408.003843]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  408.009125]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  408.014234]  ? __lock_acquire+0x62f/0x4c20
[  408.018474]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  408.023595]  ? __lock_acquire+0x62f/0x4c20
[  408.027832]  ? should_fail+0x22d/0xd01
[  408.031721]  ? rcu_irq_exit+0x1a2/0x390
[  408.035709]  ? mark_held_locks+0x130/0x130
[  408.039955]  ? mark_held_locks+0x130/0x130
[  408.044197]  ? mark_held_locks+0xc7/0x130
[  408.048347]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  408.053364]  ? zap_class+0x640/0x640
[  408.057080]  ? print_usage_bug+0xc0/0xc0
[  408.061148]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.066690]  ? check_preemption_disabled+0x48/0x280
[  408.071716]  ? __lock_is_held+0xb5/0x140
[  408.075790]  __alloc_pages_nodemask+0xa80/0xde0
[  408.080460]  ? zap_class+0x640/0x640
[  408.084184]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  408.089215]  ? find_held_lock+0x36/0x1c0
[  408.093291]  ? ____cache_alloc_node+0x1c7/0x1e0
[  408.097967]  ? lock_downgrade+0x900/0x900
[  408.102124]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.107673]  cache_grow_begin+0xa5/0x8c0
[  408.111739]  ? do_raw_spin_unlock+0xa7/0x330
[  408.116156]  fallback_alloc+0x204/0x2e0
[  408.120137]  ____cache_alloc_node+0x1c7/0x1e0
[  408.124638]  kmem_cache_alloc_node+0xe3/0x730
[  408.129136]  ? ipv6_get_ifaddr+0x42e/0x620
[  408.133385]  __alloc_skb+0x119/0x770
[  408.137099]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  408.142795]  ? netdev_alloc_frag+0x1f0/0x1f0
[  408.147208]  ? lock_downgrade+0x900/0x900
[  408.151369]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.156909]  ? refcount_sub_and_test_checked+0x203/0x310
[  408.162369]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  408.167823]  ? addrconf_rs_timer+0x690/0x690
[  408.172244]  ndisc_alloc_skb+0x144/0x340
[  408.176313]  ndisc_send_rs+0x331/0x6e0
[  408.180208]  addrconf_rs_timer+0x314/0x690
[  408.184447]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  408.188695]  call_timer_fn+0x272/0x920
[  408.192611]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  408.196850]  ? process_timeout+0x40/0x40
[  408.200919]  ? __run_timers+0x7da/0xc70
[  408.204900]  ? _raw_spin_unlock_irq+0x27/0x80
[  408.209394]  ? _raw_spin_unlock_irq+0x27/0x80
[  408.213896]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  408.218134]  ? lockdep_hardirqs_on+0x296/0x5b0
[  408.222806]  ? trace_hardirqs_on+0xbd/0x310
[  408.227134]  ? kasan_check_read+0x11/0x20
[  408.231281]  ? __run_timers+0x7da/0xc70
[  408.235258]  ? trace_hardirqs_off_caller+0x310/0x310
[  408.240366]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  408.244613]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  408.248850]  __run_timers+0x7e5/0xc70
[  408.252668]  ? timer_fixup_init+0x70/0x70
[  408.256825]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  408.261845]  ? zap_class+0x640/0x640
[  408.265584]  ? enqueue_hrtimer+0x1a5/0x560
[  408.269825]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  408.275039]  ? find_held_lock+0x36/0x1c0
[  408.279117]  ? zap_class+0x640/0x640
[  408.282839]  ? pvclock_read_flags+0x160/0x160
[  408.287336]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.292878]  ? check_preemption_disabled+0x48/0x280
[  408.297904]  ? __lock_is_held+0xb5/0x140
[  408.301976]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.307522]  ? check_preemption_disabled+0x48/0x280
[  408.312577]  run_timer_softirq+0x52/0xb0
[  408.316642]  ? rcu_read_lock_sched_held+0x14f/0x180
[  408.321663]  __do_softirq+0x308/0xb7e
[  408.325470]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  408.330013]  ? lock_downgrade+0x900/0x900
[  408.334167]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  408.339285]  ? pvclock_read_flags+0x160/0x160
[  408.343800]  ? lapic_next_event+0x5a/0x90
[  408.347953]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.353499]  ? kvm_clock_read+0x18/0x30
[  408.357473]  ? kvm_sched_clock_read+0x9/0x20
[  408.361885]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.367426]  ? check_preemption_disabled+0x48/0x280
[  408.372457]  irq_exit+0x17f/0x1c0
[  408.375914]  smp_apic_timer_interrupt+0x1cb/0x760
[  408.380760]  ? smp_reschedule_interrupt+0x109/0x650
[  408.385779]  ? smp_call_function_single_interrupt+0x650/0x650
[  408.391665]  ? interrupt_entry+0xb5/0xc0
[  408.395729]  ? trace_hardirqs_off_caller+0xbb/0x310
[  408.400748]  ? trace_hardirqs_off_caller+0xbb/0x310
[  408.405766]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  408.410621]  ? trace_hardirqs_on_caller+0x310/0x310
[  408.415637]  ? trace_hardirqs_on_caller+0x310/0x310
[  408.420656]  ? task_prio+0x50/0x50
[  408.424202]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.429747]  ? check_preemption_disabled+0x48/0x280
[  408.434771]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  408.439624]  apic_timer_interrupt+0xf/0x20
[  408.443859]  </IRQ>
[  408.446104] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  408.451044] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  408.469947] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  408.477658] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  408.484928] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  408.492197] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  408.499464] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  408.506733] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  408.514043]  skb_clone+0x1bb/0x500
[  408.517588]  ? finish_task_switch+0x2f4/0x910
[  408.522087]  ? skb_split+0x11e0/0x11e0
[  408.525977]  ? preempt_notifier_register+0x200/0x200
[  408.531082]  ? __switch_to_asm+0x34/0x70
[  408.535144]  ? __switch_to_asm+0x34/0x70
[  408.539210]  ? __switch_to_asm+0x40/0x70
[  408.543269]  ? __switch_to_asm+0x34/0x70
[  408.547335]  ? __switch_to_asm+0x40/0x70
[  408.551408]  ? __switch_to_asm+0x34/0x70
[  408.555469]  ? __switch_to_asm+0x40/0x70
[  408.559527]  ? __switch_to_asm+0x34/0x70
[  408.563606]  ? __switch_to_asm+0x34/0x70
[  408.567666]  ? __switch_to_asm+0x40/0x70
[  408.571725]  ? __switch_to_asm+0x34/0x70
[  408.575793]  bpf_clone_redirect+0xb9/0x490
[  408.580037]  ? __schedule+0x8d7/0x21d0
[  408.583938]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  408.588916]  ? __sched_text_start+0x8/0x8
[  408.593070]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  408.597655]  ? retint_kernel+0x2d/0x2d
[  408.601563]  ? trace_hardirqs_on_caller+0xc0/0x310
[  408.606503]  ? find_held_lock+0x36/0x1c0
[  408.610591]  ? lock_acquire+0x1ed/0x520
[  408.614581]  ? bpf_test_run+0x3cb/0x780
[  408.618574]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.624115]  ? check_preemption_disabled+0x48/0x280
[  408.629139]  ? kasan_check_read+0x11/0x20
[  408.633287]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  408.638578]  ? rcu_softirq_qs+0x20/0x20
[  408.642574]  ? preempt_schedule+0x4d/0x60
[  408.646743]  ? ___preempt_schedule+0x16/0x18
[  408.651166]  ? bpf_test_run+0x25d/0x780
[  408.655158]  ? netlink_diag_dump+0x2a0/0x2a0
[  408.659583]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  408.665121]  ? bpf_test_init.isra.10+0x70/0x100
[  408.669798]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  408.674579]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  408.679421]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  408.684963]  ? fput+0x130/0x1a0
[  408.688245]  ? __bpf_prog_get+0x9b/0x290
[  408.692311]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  408.697157]  ? bpf_prog_test_run+0x130/0x1a0
[  408.701579]  ? __x64_sys_bpf+0x3d8/0x520
[  408.705646]  ? bpf_prog_get+0x20/0x20
[  408.709470]  ? do_syscall_64+0x1b9/0x820
[  408.713550]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  408.718920]  ? syscall_return_slowpath+0x5e0/0x5e0
[  408.723855]  ? trace_hardirqs_on_caller+0x310/0x310
[  408.728878]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  408.733898]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  408.740578]  ? __switch_to_asm+0x40/0x70
[  408.744640]  ? __switch_to_asm+0x34/0x70
[  408.748710]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  408.753575]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  408.758960] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  408.759023] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  408.765820] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  408.765828] Call Trace:
[  408.772393] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  408.781670]  dump_stack+0x244/0x39d
[  408.784230] syz-executor4 cpuset=syz4 mems_allowed=0
[  408.794713]  ? dump_stack_print_info.cold.1+0x20/0x20
[  408.808615]  warn_alloc.cold.116+0xb7/0x1bd
[  408.812950]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  408.817801]  ? lock_downgrade+0x900/0x900
[  408.821959]  ? trace_hardirqs_off+0xb8/0x310
[  408.826376]  ? trace_hardirqs_off+0xb8/0x310
[  408.830795]  __alloc_pages_slowpath+0x26e8/0x2e10
[  408.835667]  ? warn_alloc+0x120/0x120
[  408.839473]  ? warn_alloc+0x120/0x120
[  408.843277]  ? __bfs+0xb0/0x780
[  408.846562]  ? warn_alloc+0x120/0x120
[  408.850372]  ? print_usage_bug+0xc0/0xc0
[  408.854433]  ? lockdep_on+0x50/0x50
[  408.858066]  ? print_usage_bug+0xc0/0xc0
[  408.862132]  ? check_usage+0x1aa/0x790
[  408.866022]  ? trace_hardirqs_off+0xb8/0x310
[  408.870440]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  408.875982]  ? should_fail+0x22d/0xd01
[  408.879877]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  408.884987]  ? __lock_acquire+0x62f/0x4c20
[  408.889226]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  408.894333]  ? __lock_acquire+0x62f/0x4c20
[  408.898568]  ? should_fail+0x22d/0xd01
[  408.902471]  ? mark_held_locks+0x130/0x130
[  408.906718]  ? mark_held_locks+0x130/0x130
[  408.910963]  ? zap_class+0x640/0x640
[  408.914677]  ? ret_from_fork+0x3a/0x50
[  408.918576]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.924117]  ? check_preemption_disabled+0x48/0x280
[  408.929145]  ? __lock_is_held+0xb5/0x140
[  408.933219]  __alloc_pages_nodemask+0xa80/0xde0
[  408.937889]  ? zap_class+0x640/0x640
[  408.941611]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  408.946644]  ? find_held_lock+0x36/0x1c0
[  408.950720]  ? ____cache_alloc_node+0x1c7/0x1e0
[  408.955395]  ? lock_downgrade+0x900/0x900
[  408.959569]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.965117]  cache_grow_begin+0xa5/0x8c0
[  408.969182]  ? do_raw_spin_unlock+0xa7/0x330
[  408.973599]  fallback_alloc+0x204/0x2e0
[  408.977582]  ____cache_alloc_node+0x1c7/0x1e0
[  408.982083]  kmem_cache_alloc_node+0xe3/0x730
[  408.986587]  ? mark_held_locks+0xc7/0x130
[  408.990749]  __alloc_skb+0x119/0x770
[  408.994471]  ? netdev_alloc_frag+0x1f0/0x1f0
[  408.998893]  ? do_raw_spin_trylock+0x270/0x270
[  409.003477]  ? kmem_cache_alloc_trace+0x353/0x750
[  409.008338]  ? queue_work_on+0x12c/0x1e0
[  409.012408]  ? switchdev_port_obj_del+0xdc/0x440
[  409.017168]  ? switchdev_trans_item_enqueue+0x260/0x260
[  409.022554]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  409.027580]  __br_mdb_notify+0x4ff/0x15d0
[  409.031741]  ? __br_mdb_add+0x7f0/0x7f0
[  409.035728]  ? zap_class+0x640/0x640
[  409.039457]  ? br_multicast_group_expired+0x96/0x610
[  409.044580]  ? lock_downgrade+0x900/0x900
[  409.048734]  br_mdb_notify+0x310/0x410
[  409.052624]  ? br_mdb_dump+0x27b0/0x27b0
[  409.056693]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.062243]  br_multicast_group_expired+0x1bc/0x610
[  409.067265]  ? br_mdb_free+0x80/0x80
[  409.070996]  call_timer_fn+0x272/0x920
[  409.074889]  ? br_mdb_free+0x80/0x80
[  409.078608]  ? process_timeout+0x40/0x40
[  409.082680]  ? __run_timers+0x7da/0xc70
[  409.086657]  ? _raw_spin_unlock_irq+0x27/0x80
[  409.091152]  ? _raw_spin_unlock_irq+0x27/0x80
[  409.095647]  ? br_mdb_free+0x80/0x80
[  409.099361]  ? lockdep_hardirqs_on+0x296/0x5b0
[  409.103951]  ? trace_hardirqs_on+0xbd/0x310
[  409.108274]  ? kasan_check_read+0x11/0x20
[  409.112424]  ? __run_timers+0x7da/0xc70
[  409.116424]  ? trace_hardirqs_off_caller+0x310/0x310
[  409.121545]  ? br_mdb_free+0x80/0x80
[  409.125265]  ? br_mdb_free+0x80/0x80
[  409.128984]  __run_timers+0x7e5/0xc70
[  409.132800]  ? timer_fixup_init+0x70/0x70
[  409.136950]  ? _raw_spin_unlock_irq+0x27/0x80
[  409.141446]  ? _raw_spin_unlock_irq+0x27/0x80
[  409.145948]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  409.150564]  ? trace_hardirqs_on+0xbd/0x310
[  409.154888]  ? kasan_check_read+0x11/0x20
[  409.159038]  ? finish_task_switch+0x1f4/0x910
[  409.163539]  ? trace_hardirqs_off_caller+0x310/0x310
[  409.168648]  ? compat_start_thread+0x80/0x80
[  409.173078]  ? pvclock_read_flags+0x160/0x160
[  409.177573]  ? __switch_to_asm+0x34/0x70
[  409.181640]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.187183]  ? check_preemption_disabled+0x48/0x280
[  409.192258]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  409.197803]  ? rcu_pm_notify+0xc0/0xc0
[  409.201694]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.207240]  ? check_preemption_disabled+0x48/0x280
[  409.212265]  run_timer_softirq+0x52/0xb0
[  409.216329]  ? rcu_read_lock_sched_held+0x14f/0x180
[  409.221356]  __do_softirq+0x308/0xb7e
[  409.225174]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  409.230278]  ? trace_hardirqs_off+0xb8/0x310
[  409.234690]  ? rcu_irq_enter+0x18c/0x310
[  409.238762]  ? schedule+0x108/0x460
[  409.242394]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  409.247161]  ? trace_hardirqs_off+0xb8/0x310
[  409.251581]  ? smpboot_thread_fn+0x68b/0xa00
[  409.256003]  ? trace_hardirqs_on+0x310/0x310
[  409.260420]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.265963]  ? check_preemption_disabled+0x48/0x280
[  409.270984]  ? takeover_tasklets+0xa90/0xa90
[  409.275403]  run_ksoftirqd+0x5e/0x100
[  409.279204]  smpboot_thread_fn+0x68b/0xa00
[  409.283444]  ? sort_range+0x30/0x30
[  409.287076]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  409.292185]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.297726]  ? __kthread_parkme+0xfb/0x1a0
[  409.301967]  ? sort_range+0x30/0x30
[  409.305600]  kthread+0x35a/0x440
[  409.308972]  ? kthread_stop+0x900/0x900
[  409.312956]  ret_from_fork+0x3a/0x50
[  409.316688] warn_alloc_show_mem: 1 callbacks suppressed
[  409.316697] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  409.316699] Mem-Info:
[  409.316727] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  409.316727]  active_file:16 inactive_file:14 isolated_file:0
[  409.316727]  unevictable:0 dirty:0 writeback:0 unstable:0
[  409.316727]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  409.316727]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  409.316727]  free:13767 free_pcp:490 free_cma:0
[  409.322074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  409.329356] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  409.331753] Call Trace:
[  409.364793] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  409.374144]  <IRQ>
[  409.401796] lowmem_reserve[]: 0 2818 6321 6321
[  409.404394]  dump_stack+0x244/0x39d
[  409.430492] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  409.432651]  ? dump_stack_print_info.cold.1+0x20/0x20
[  409.437202] lowmem_reserve[]: 0 0 3503 3503
[  409.440844]  warn_alloc.cold.116+0xb7/0x1bd
[  409.468357] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  409.473555]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  409.477849] lowmem_reserve[]: 0 0 0 0
[  409.482176]  ? lock_downgrade+0x900/0x900
[  409.511303] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  409.516159]  ? trace_hardirqs_off+0xb8/0x310
[  409.519935] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  409.524087]  ? trace_hardirqs_off+0xb8/0x310
[  409.537582] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  409.542005]  __alloc_pages_slowpath+0x26e8/0x2e10
[  409.557331] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  409.561760]  ? warn_alloc+0x120/0x120
[  409.576806] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  409.576814] 1997 total pagecache pages
[  409.581652]  ? print_usage_bug+0xc0/0xc0
[  409.590487] 0 pages in swap cache
[  409.594279]  ? warn_alloc+0x120/0x120
[  409.602830] Swap cache stats: add 0, delete 0, find 0/0
[  409.602838] Free swap  = 0kB
[  409.606725]  ? warn_alloc+0x120/0x120
[  409.610758] Total swap = 0kB
[  409.610765] 1965979 pages RAM
[  409.614213]  ? print_usage_bug+0xc0/0xc0
[  409.617990] 0 pages HighMem/MovableOnly
[  409.617997] 342853 pages reserved
[  409.623354]  ? kvm_clock_read+0x18/0x30
[  409.626348] 0 pages cma reserved
[  409.626506] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  409.630152]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  409.633148] ksoftirqd/1 cpuset=/ mems_allowed=0
[  409.636250]  ? print_usage_bug+0xc0/0xc0
[  409.679047]  ? __lock_acquire+0x62f/0x4c20
[  409.683289]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.688828]  ? should_fail+0x22d/0xd01
[  409.692721]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  409.698006]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  409.703110]  ? __lock_acquire+0x62f/0x4c20
[  409.707357]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  409.712478]  ? __lock_acquire+0x62f/0x4c20
[  409.716717]  ? should_fail+0x22d/0xd01
[  409.720604]  ? rcu_irq_exit+0x1a2/0x390
[  409.724591]  ? mark_held_locks+0x130/0x130
[  409.728837]  ? mark_held_locks+0x130/0x130
[  409.733079]  ? mark_held_locks+0xc7/0x130
[  409.737232]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  409.742248]  ? zap_class+0x640/0x640
[  409.745967]  ? print_usage_bug+0xc0/0xc0
[  409.750038]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.755578]  ? check_preemption_disabled+0x48/0x280
[  409.760610]  ? __lock_is_held+0xb5/0x140
[  409.764684]  __alloc_pages_nodemask+0xa80/0xde0
[  409.769357]  ? zap_class+0x640/0x640
[  409.773077]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  409.778105]  ? find_held_lock+0x36/0x1c0
[  409.782179]  ? ____cache_alloc_node+0x1c7/0x1e0
[  409.786852]  ? lock_downgrade+0x900/0x900
[  409.791012]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.796556]  cache_grow_begin+0xa5/0x8c0
[  409.800620]  ? do_raw_spin_unlock+0xa7/0x330
[  409.805037]  fallback_alloc+0x204/0x2e0
[  409.809022]  ____cache_alloc_node+0x1c7/0x1e0
[  409.813525]  kmem_cache_alloc_node+0xe3/0x730
[  409.818027]  ? ipv6_get_ifaddr+0x42e/0x620
[  409.822276]  __alloc_skb+0x119/0x770
[  409.825989]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  409.831270]  ? netdev_alloc_frag+0x1f0/0x1f0
[  409.835686]  ? lock_downgrade+0x900/0x900
[  409.839844]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.845382]  ? refcount_sub_and_test_checked+0x203/0x310
[  409.850838]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  409.856291]  ? addrconf_rs_timer+0x690/0x690
[  409.860713]  ndisc_alloc_skb+0x144/0x340
[  409.864786]  ndisc_send_rs+0x331/0x6e0
[  409.868684]  addrconf_rs_timer+0x314/0x690
[  409.872929]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  409.877176]  call_timer_fn+0x272/0x920
[  409.881066]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  409.885303]  ? process_timeout+0x40/0x40
[  409.889371]  ? __run_timers+0x7da/0xc70
[  409.893353]  ? _raw_spin_unlock_irq+0x27/0x80
[  409.897854]  ? _raw_spin_unlock_irq+0x27/0x80
[  409.902351]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  409.906590]  ? lockdep_hardirqs_on+0x296/0x5b0
[  409.911184]  ? trace_hardirqs_on+0xbd/0x310
[  409.915510]  ? kasan_check_read+0x11/0x20
[  409.919655]  ? __run_timers+0x7da/0xc70
[  409.923632]  ? trace_hardirqs_off_caller+0x310/0x310
[  409.928743]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  409.932986]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  409.937223]  __run_timers+0x7e5/0xc70
[  409.941034]  ? timer_fixup_init+0x70/0x70
[  409.945186]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  409.950208]  ? zap_class+0x640/0x640
[  409.953927]  ? enqueue_hrtimer+0x1a5/0x560
[  409.958171]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  409.963366]  ? find_held_lock+0x36/0x1c0
[  409.967457]  ? zap_class+0x640/0x640
[  409.971176]  ? pvclock_read_flags+0x160/0x160
[  409.976208]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.981755]  ? check_preemption_disabled+0x48/0x280
[  409.986782]  ? __lock_is_held+0xb5/0x140
[  409.990844]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.996383]  ? check_preemption_disabled+0x48/0x280
[  410.001408]  run_timer_softirq+0x52/0xb0
[  410.005488]  ? rcu_read_lock_sched_held+0x14f/0x180
[  410.010509]  __do_softirq+0x308/0xb7e
[  410.014318]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  410.018861]  ? lock_downgrade+0x900/0x900
[  410.023016]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  410.028130]  ? pvclock_read_flags+0x160/0x160
[  410.032633]  ? lapic_next_event+0x5a/0x90
[  410.036785]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.042331]  ? kvm_clock_read+0x18/0x30
[  410.046307]  ? kvm_sched_clock_read+0x9/0x20
[  410.050722]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.056262]  ? check_preemption_disabled+0x48/0x280
[  410.061289]  irq_exit+0x17f/0x1c0
[  410.064750]  smp_apic_timer_interrupt+0x1cb/0x760
[  410.069594]  ? smp_reschedule_interrupt+0x109/0x650
[  410.074616]  ? smp_call_function_single_interrupt+0x650/0x650
[  410.080549]  ? interrupt_entry+0xb5/0xc0
[  410.084614]  ? trace_hardirqs_off_caller+0xbb/0x310
[  410.089630]  ? trace_hardirqs_off_caller+0xbb/0x310
[  410.094650]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  410.099495]  ? trace_hardirqs_on_caller+0x310/0x310
[  410.104516]  ? trace_hardirqs_on_caller+0x310/0x310
[  410.109536]  ? task_prio+0x50/0x50
[  410.113081]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.118708]  ? check_preemption_disabled+0x48/0x280
[  410.123745]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  410.128603]  apic_timer_interrupt+0xf/0x20
[  410.132832]  </IRQ>
[  410.135072] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  410.140343] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  410.159251] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  410.166964] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  410.174233] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  410.181504] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  410.188776] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  410.196048] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  410.203363]  skb_clone+0x1bb/0x500
[  410.206912]  ? finish_task_switch+0x2f4/0x910
[  410.211433]  ? skb_split+0x11e0/0x11e0
[  410.215328]  ? preempt_notifier_register+0x200/0x200
[  410.220447]  ? __switch_to_asm+0x34/0x70
[  410.224511]  ? __switch_to_asm+0x34/0x70
[  410.228572]  ? __switch_to_asm+0x40/0x70
[  410.232631]  ? __switch_to_asm+0x34/0x70
[  410.236690]  ? __switch_to_asm+0x40/0x70
[  410.240837]  ? __switch_to_asm+0x34/0x70
[  410.244896]  ? __switch_to_asm+0x40/0x70
[  410.249085]  ? __switch_to_asm+0x34/0x70
[  410.253152]  ? __switch_to_asm+0x34/0x70
[  410.257212]  ? __switch_to_asm+0x40/0x70
[  410.261273]  ? __switch_to_asm+0x34/0x70
[  410.265342]  bpf_clone_redirect+0xb9/0x490
[  410.269579]  ? __schedule+0x8d7/0x21d0
[  410.273475]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  410.278427]  ? __sched_text_start+0x8/0x8
[  410.282581]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  410.287164]  ? retint_kernel+0x2d/0x2d
[  410.291058]  ? trace_hardirqs_on_caller+0xc0/0x310
[  410.295996]  ? find_held_lock+0x36/0x1c0
[  410.300071]  ? lock_acquire+0x1ed/0x520
[  410.304051]  ? bpf_test_run+0x3cb/0x780
[  410.308028]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.313570]  ? check_preemption_disabled+0x48/0x280
[  410.318593]  ? kasan_check_read+0x11/0x20
[  410.322744]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  410.328020]  ? rcu_softirq_qs+0x20/0x20
[  410.331996]  ? preempt_schedule+0x4d/0x60
[  410.336149]  ? ___preempt_schedule+0x16/0x18
[  410.340569]  ? bpf_test_run+0x25d/0x780
[  410.344598]  ? netlink_diag_dump+0x2a0/0x2a0
[  410.349009]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  410.354550]  ? bpf_test_init.isra.10+0x70/0x100
[  410.359231]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  410.364040]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  410.368974]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  410.374517]  ? fput+0x130/0x1a0
[  410.377799]  ? __bpf_prog_get+0x9b/0x290
[  410.381865]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  410.386708]  ? bpf_prog_test_run+0x130/0x1a0
[  410.391126]  ? __x64_sys_bpf+0x3d8/0x520
[  410.395193]  ? bpf_prog_get+0x20/0x20
[  410.399012]  ? do_syscall_64+0x1b9/0x820
[  410.403073]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  410.408462]  ? syscall_return_slowpath+0x5e0/0x5e0
[  410.413417]  ? trace_hardirqs_on_caller+0x310/0x310
[  410.418470]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  410.423490]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  410.430156]  ? __switch_to_asm+0x40/0x70
[  410.434216]  ? __switch_to_asm+0x34/0x70
[  410.438288]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  410.443138]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  410.448527] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  410.448593] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  410.455382] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  410.455387] Call Trace:
[  410.455420]  dump_stack+0x244/0x39d
[  410.455437]  ? dump_stack_print_info.cold.1+0x20/0x20
[  410.455464]  warn_alloc.cold.116+0xb7/0x1bd
[  410.462005] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  410.471291]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  410.473856] syz-executor4 cpuset=syz4 mems_allowed=0
[  410.477484]  ? lock_downgrade+0x900/0x900
[  410.511554]  ? trace_hardirqs_off+0xb8/0x310
[  410.515972]  ? trace_hardirqs_off+0xb8/0x310
[  410.520408]  __alloc_pages_slowpath+0x26e8/0x2e10
[  410.525279]  ? warn_alloc+0x120/0x120
[  410.529089]  ? warn_alloc+0x120/0x120
[  410.532896]  ? __bfs+0xb0/0x780
[  410.536189]  ? warn_alloc+0x120/0x120
[  410.539993]  ? print_usage_bug+0xc0/0xc0
[  410.544057]  ? lockdep_on+0x50/0x50
[  410.547691]  ? print_usage_bug+0xc0/0xc0
[  410.551755]  ? check_usage+0x1aa/0x790
[  410.555647]  ? trace_hardirqs_off+0xb8/0x310
[  410.560061]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  410.565605]  ? should_fail+0x22d/0xd01
[  410.569500]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  410.574694]  ? __lock_acquire+0x62f/0x4c20
[  410.578938]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  410.584041]  ? __lock_acquire+0x62f/0x4c20
[  410.588280]  ? should_fail+0x22d/0xd01
[  410.592192]  ? mark_held_locks+0x130/0x130
[  410.596436]  ? mark_held_locks+0x130/0x130
[  410.600688]  ? zap_class+0x640/0x640
[  410.604420]  ? ret_from_fork+0x3a/0x50
[  410.608314]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.613857]  ? check_preemption_disabled+0x48/0x280
[  410.618888]  ? __lock_is_held+0xb5/0x140
[  410.622966]  __alloc_pages_nodemask+0xa80/0xde0
[  410.627637]  ? zap_class+0x640/0x640
[  410.631357]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  410.636411]  ? find_held_lock+0x36/0x1c0
[  410.640487]  ? ____cache_alloc_node+0x1c7/0x1e0
[  410.645159]  ? lock_downgrade+0x900/0x900
[  410.649315]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.654862]  cache_grow_begin+0xa5/0x8c0
[  410.658928]  ? do_raw_spin_unlock+0xa7/0x330
[  410.663346]  fallback_alloc+0x204/0x2e0
[  410.667341]  ____cache_alloc_node+0x1c7/0x1e0
[  410.671856]  kmem_cache_alloc_node+0xe3/0x730
[  410.676355]  ? mark_held_locks+0xc7/0x130
[  410.680530]  __alloc_skb+0x119/0x770
[  410.684253]  ? netdev_alloc_frag+0x1f0/0x1f0
[  410.688665]  ? do_raw_spin_trylock+0x270/0x270
[  410.693253]  ? kmem_cache_alloc_trace+0x353/0x750
[  410.698107]  ? queue_work_on+0x12c/0x1e0
[  410.702181]  ? switchdev_port_obj_del+0xdc/0x440
[  410.706945]  ? switchdev_trans_item_enqueue+0x260/0x260
[  410.712315]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  410.717337]  __br_mdb_notify+0x4ff/0x15d0
[  410.721502]  ? __br_mdb_add+0x7f0/0x7f0
[  410.725491]  ? zap_class+0x640/0x640
[  410.729221]  ? br_multicast_group_expired+0x96/0x610
[  410.734328]  ? lock_downgrade+0x900/0x900
[  410.738488]  br_mdb_notify+0x310/0x410
[  410.742393]  ? br_mdb_dump+0x27b0/0x27b0
[  410.746467]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.752014]  br_multicast_group_expired+0x1bc/0x610
[  410.757040]  ? br_mdb_free+0x80/0x80
[  410.760808]  call_timer_fn+0x272/0x920
[  410.764696]  ? br_mdb_free+0x80/0x80
[  410.768426]  ? process_timeout+0x40/0x40
[  410.772501]  ? __run_timers+0x7da/0xc70
[  410.776482]  ? _raw_spin_unlock_irq+0x27/0x80
[  410.780976]  ? _raw_spin_unlock_irq+0x27/0x80
[  410.785474]  ? br_mdb_free+0x80/0x80
[  410.789195]  ? lockdep_hardirqs_on+0x296/0x5b0
[  410.793786]  ? trace_hardirqs_on+0xbd/0x310
[  410.798112]  ? kasan_check_read+0x11/0x20
[  410.802265]  ? __run_timers+0x7da/0xc70
[  410.806242]  ? trace_hardirqs_off_caller+0x310/0x310
[  410.811356]  ? br_mdb_free+0x80/0x80
[  410.815090]  ? br_mdb_free+0x80/0x80
[  410.818804]  __run_timers+0x7e5/0xc70
[  410.822619]  ? timer_fixup_init+0x70/0x70
[  410.826771]  ? _raw_spin_unlock_irq+0x27/0x80
[  410.831267]  ? _raw_spin_unlock_irq+0x27/0x80
[  410.835770]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  410.840356]  ? trace_hardirqs_on+0xbd/0x310
[  410.844698]  ? kasan_check_read+0x11/0x20
[  410.848849]  ? finish_task_switch+0x1f4/0x910
[  410.853352]  ? trace_hardirqs_off_caller+0x310/0x310
[  410.858472]  ? compat_start_thread+0x80/0x80
[  410.862911]  ? pvclock_read_flags+0x160/0x160
[  410.867412]  ? __switch_to_asm+0x34/0x70
[  410.871480]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.877019]  ? check_preemption_disabled+0x48/0x280
[  410.882049]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  410.887591]  ? rcu_pm_notify+0xc0/0xc0
[  410.891533]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.897075]  ? check_preemption_disabled+0x48/0x280
[  410.902098]  run_timer_softirq+0x52/0xb0
[  410.906166]  ? rcu_read_lock_sched_held+0x14f/0x180
[  410.911185]  __do_softirq+0x308/0xb7e
[  410.914999]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  410.920101]  ? trace_hardirqs_off+0xb8/0x310
[  410.924509]  ? rcu_irq_enter+0x18c/0x310
[  410.928580]  ? schedule+0x108/0x460
[  410.932214]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  410.936986]  ? trace_hardirqs_off+0xb8/0x310
[  410.941408]  ? smpboot_thread_fn+0x68b/0xa00
[  410.945822]  ? trace_hardirqs_on+0x310/0x310
[  410.950236]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  410.955839]  ? check_preemption_disabled+0x48/0x280
[  410.960871]  ? takeover_tasklets+0xa90/0xa90
[  410.965284]  run_ksoftirqd+0x5e/0x100
[  410.969086]  smpboot_thread_fn+0x68b/0xa00
[  410.973327]  ? sort_range+0x30/0x30
[  410.976970]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  410.982074]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  410.987613]  ? __kthread_parkme+0xfb/0x1a0
[  410.991856]  ? sort_range+0x30/0x30
[  410.995491]  kthread+0x35a/0x440
[  410.998863]  ? kthread_stop+0x900/0x900
[  411.002849]  ret_from_fork+0x3a/0x50
[  411.006582] warn_alloc_show_mem: 1 callbacks suppressed
[  411.006592] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  411.006593] Mem-Info:
[  411.006622] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  411.006622]  active_file:16 inactive_file:14 isolated_file:0
[  411.006622]  unevictable:0 dirty:0 writeback:0 unstable:0
[  411.006622]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  411.006622]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  411.006622]  free:13767 free_pcp:490 free_cma:0
[  411.011963] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  411.011970] Call Trace:
[  411.019255] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  411.021652]  <IRQ>
[  411.054692] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  411.064054]  dump_stack+0x244/0x39d
[  411.066609] lowmem_reserve[]: 0 2818 6321 6321
[  411.094293]  ? dump_stack_print_info.cold.1+0x20/0x20
[  411.096426] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  411.122544]  warn_alloc.cold.116+0xb7/0x1bd
[  411.126140] lowmem_reserve[]: 0 0 3503 3503
[  411.130728]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  411.135896] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  411.163406]  ? lock_downgrade+0x900/0x900
[  411.167709] lowmem_reserve[]: 0 0 0 0
[  411.172035]  ? trace_hardirqs_off+0xb8/0x310
[  411.176857] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  411.206003]  ? trace_hardirqs_off+0xb8/0x310
[  411.210130] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  411.213938]  __alloc_pages_slowpath+0x26e8/0x2e10
[  411.218314] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  411.231970]  ? warn_alloc+0x120/0x120
[  411.236361] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  411.251704]  ? print_usage_bug+0xc0/0xc0
[  411.256537] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  411.271616]  ? warn_alloc+0x120/0x120
[  411.275401] 1997 total pagecache pages
[  411.284234]  ? warn_alloc+0x120/0x120
[  411.288281] 0 pages in swap cache
[  411.296889]  ? print_usage_bug+0xc0/0xc0
[  411.300668] Swap cache stats: add 0, delete 0, find 0/0
[  411.300676] Free swap  = 0kB
[  411.304563]  ? kvm_clock_read+0x18/0x30
[  411.308357] Total swap = 0kB
[  411.311816]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  411.315860] 1965979 pages RAM
[  411.321219]  ? print_usage_bug+0xc0/0xc0
[  411.324212] 0 pages HighMem/MovableOnly
[  411.324219] 342853 pages reserved
[  411.328186]  ? __lock_acquire+0x62f/0x4c20
[  411.331181] 0 pages cma reserved
[  411.331349] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  411.336206]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  411.339289] ksoftirqd/1 cpuset=/ mems_allowed=0
[  411.343363]  ? should_fail+0x22d/0xd01
[  411.382723]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  411.388012]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  411.393121]  ? __lock_acquire+0x62f/0x4c20
[  411.397373]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  411.402481]  ? __lock_acquire+0x62f/0x4c20
[  411.406716]  ? should_fail+0x22d/0xd01
[  411.410607]  ? rcu_irq_exit+0x1a2/0x390
[  411.414592]  ? mark_held_locks+0x130/0x130
[  411.418832]  ? mark_held_locks+0x130/0x130
[  411.423074]  ? mark_held_locks+0xc7/0x130
[  411.427224]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  411.432245]  ? zap_class+0x640/0x640
[  411.435964]  ? print_usage_bug+0xc0/0xc0
[  411.440030]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.445572]  ? check_preemption_disabled+0x48/0x280
[  411.450598]  ? __lock_is_held+0xb5/0x140
[  411.454673]  __alloc_pages_nodemask+0xa80/0xde0
[  411.459358]  ? zap_class+0x640/0x640
[  411.463079]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  411.468106]  ? find_held_lock+0x36/0x1c0
[  411.472177]  ? ____cache_alloc_node+0x1c7/0x1e0
[  411.476850]  ? lock_downgrade+0x900/0x900
[  411.481009]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.486556]  cache_grow_begin+0xa5/0x8c0
[  411.490616]  ? do_raw_spin_unlock+0xa7/0x330
[  411.495034]  fallback_alloc+0x204/0x2e0
[  411.499020]  ____cache_alloc_node+0x1c7/0x1e0
[  411.503525]  kmem_cache_alloc_node+0xe3/0x730
[  411.508025]  ? ipv6_get_ifaddr+0x42e/0x620
[  411.512269]  __alloc_skb+0x119/0x770
[  411.515988]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  411.521272]  ? netdev_alloc_frag+0x1f0/0x1f0
[  411.525681]  ? lock_downgrade+0x900/0x900
[  411.529837]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.535377]  ? refcount_sub_and_test_checked+0x203/0x310
[  411.540833]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  411.546285]  ? addrconf_rs_timer+0x690/0x690
[  411.550722]  ndisc_alloc_skb+0x144/0x340
[  411.554789]  ndisc_send_rs+0x331/0x6e0
[  411.558729]  addrconf_rs_timer+0x314/0x690
[  411.562971]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.567218]  call_timer_fn+0x272/0x920
[  411.571107]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.575359]  ? process_timeout+0x40/0x40
[  411.579428]  ? __run_timers+0x7da/0xc70
[  411.583407]  ? _raw_spin_unlock_irq+0x27/0x80
[  411.587903]  ? _raw_spin_unlock_irq+0x27/0x80
[  411.592400]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.596636]  ? lockdep_hardirqs_on+0x296/0x5b0
[  411.601220]  ? trace_hardirqs_on+0xbd/0x310
[  411.605543]  ? kasan_check_read+0x11/0x20
[  411.609736]  ? __run_timers+0x7da/0xc70
[  411.613713]  ? trace_hardirqs_off_caller+0x310/0x310
[  411.618821]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.623064]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.627315]  __run_timers+0x7e5/0xc70
[  411.631138]  ? timer_fixup_init+0x70/0x70
[  411.635314]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  411.640351]  ? zap_class+0x640/0x640
[  411.644070]  ? enqueue_hrtimer+0x1a5/0x560
[  411.648336]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  411.653538]  ? find_held_lock+0x36/0x1c0
[  411.657604]  ? zap_class+0x640/0x640
[  411.661339]  ? pvclock_read_flags+0x160/0x160
[  411.665838]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.671429]  ? check_preemption_disabled+0x48/0x280
[  411.676455]  ? __lock_is_held+0xb5/0x140
[  411.680523]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.686062]  ? check_preemption_disabled+0x48/0x280
[  411.691084]  run_timer_softirq+0x52/0xb0
[  411.695152]  ? rcu_read_lock_sched_held+0x14f/0x180
[  411.700169]  __do_softirq+0x308/0xb7e
[  411.703979]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  411.708477]  ? lock_downgrade+0x900/0x900
[  411.712637]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  411.717767]  ? pvclock_read_flags+0x160/0x160
[  411.722272]  ? lapic_next_event+0x5a/0x90
[  411.726452]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.731996]  ? kvm_clock_read+0x18/0x30
[  411.735974]  ? kvm_sched_clock_read+0x9/0x20
[  411.740388]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.745933]  ? check_preemption_disabled+0x48/0x280
[  411.750964]  irq_exit+0x17f/0x1c0
[  411.754420]  smp_apic_timer_interrupt+0x1cb/0x760
[  411.759262]  ? smp_reschedule_interrupt+0x109/0x650
[  411.764315]  ? smp_call_function_single_interrupt+0x650/0x650
[  411.770204]  ? interrupt_entry+0xb5/0xc0
[  411.774270]  ? trace_hardirqs_off_caller+0xbb/0x310
[  411.779319]  ? trace_hardirqs_off_caller+0xbb/0x310
[  411.784338]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  411.789184]  ? trace_hardirqs_on_caller+0x310/0x310
[  411.794202]  ? trace_hardirqs_on_caller+0x310/0x310
[  411.799219]  ? task_prio+0x50/0x50
[  411.802764]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.808324]  ? check_preemption_disabled+0x48/0x280
[  411.813347]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  411.818198]  apic_timer_interrupt+0xf/0x20
[  411.822430]  </IRQ>
[  411.824676] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  411.829609] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  411.848514] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  411.856224] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  411.863499] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  411.870773] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  411.878046] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  411.885327] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  411.892636]  skb_clone+0x1bb/0x500
[  411.896179]  ? finish_task_switch+0x2f4/0x910
[  411.900680]  ? skb_split+0x11e0/0x11e0
[  411.904576]  ? preempt_notifier_register+0x200/0x200
[  411.909678]  ? __switch_to_asm+0x34/0x70
[  411.913743]  ? __switch_to_asm+0x34/0x70
[  411.917809]  ? __switch_to_asm+0x40/0x70
[  411.921873]  ? __switch_to_asm+0x34/0x70
[  411.925931]  ? __switch_to_asm+0x40/0x70
[  411.929992]  ? __switch_to_asm+0x34/0x70
[  411.934052]  ? __switch_to_asm+0x40/0x70
[  411.938111]  ? __switch_to_asm+0x34/0x70
[  411.942172]  ? __switch_to_asm+0x34/0x70
[  411.946254]  ? __switch_to_asm+0x40/0x70
[  411.950334]  ? __switch_to_asm+0x34/0x70
[  411.954407]  bpf_clone_redirect+0xb9/0x490
[  411.958643]  ? __schedule+0x8d7/0x21d0
[  411.962545]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  411.967478]  ? __sched_text_start+0x8/0x8
[  411.971631]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  411.976750]  ? retint_kernel+0x2d/0x2d
[  411.980646]  ? trace_hardirqs_on_caller+0xc0/0x310
[  411.985582]  ? find_held_lock+0x36/0x1c0
[  411.990002]  ? lock_acquire+0x1ed/0x520
[  411.993977]  ? bpf_test_run+0x3cb/0x780
[  411.997954]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.003498]  ? check_preemption_disabled+0x48/0x280
[  412.008524]  ? kasan_check_read+0x11/0x20
[  412.012673]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  412.017954]  ? rcu_softirq_qs+0x20/0x20
[  412.021936]  ? preempt_schedule+0x4d/0x60
[  412.026086]  ? ___preempt_schedule+0x16/0x18
[  412.030505]  ? bpf_test_run+0x25d/0x780
[  412.034496]  ? netlink_diag_dump+0x2a0/0x2a0
[  412.038909]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  412.044449]  ? bpf_test_init.isra.10+0x70/0x100
[  412.049125]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  412.053892]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  412.058739]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  412.064298]  ? fput+0x130/0x1a0
[  412.067581]  ? __bpf_prog_get+0x9b/0x290
[  412.071649]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  412.076493]  ? bpf_prog_test_run+0x130/0x1a0
[  412.080911]  ? __x64_sys_bpf+0x3d8/0x520
[  412.084975]  ? bpf_prog_get+0x20/0x20
[  412.088800]  ? do_syscall_64+0x1b9/0x820
[  412.092866]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  412.098233]  ? syscall_return_slowpath+0x5e0/0x5e0
[  412.103184]  ? trace_hardirqs_on_caller+0x310/0x310
[  412.108252]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  412.113305]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  412.119975]  ? __switch_to_asm+0x40/0x70
[  412.124038]  ? __switch_to_asm+0x34/0x70
[  412.128110]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  412.132962]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  412.138353] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  412.138416] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  412.145697] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  412.145701] Call Trace:
[  412.145722]  dump_stack+0x244/0x39d
[  412.145739]  ? dump_stack_print_info.cold.1+0x20/0x20
[  412.145765]  warn_alloc.cold.116+0xb7/0x1bd
[  412.152335] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  412.161609]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  412.164176] syz-executor4 cpuset=syz4 mems_allowed=0
[  412.167802]  ? lock_downgrade+0x900/0x900
[  412.201898]  ? trace_hardirqs_off+0xb8/0x310
[  412.206316]  ? trace_hardirqs_off+0xb8/0x310
[  412.210739]  __alloc_pages_slowpath+0x26e8/0x2e10
[  412.215612]  ? warn_alloc+0x120/0x120
[  412.219419]  ? warn_alloc+0x120/0x120
[  412.223224]  ? __bfs+0xb0/0x780
[  412.226523]  ? warn_alloc+0x120/0x120
[  412.230334]  ? print_usage_bug+0xc0/0xc0
[  412.234402]  ? lockdep_on+0x50/0x50
[  412.238039]  ? print_usage_bug+0xc0/0xc0
[  412.242105]  ? check_usage+0x1aa/0x790
[  412.245995]  ? trace_hardirqs_off+0xb8/0x310
[  412.250408]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  412.255948]  ? should_fail+0x22d/0xd01
[  412.259843]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  412.264947]  ? __lock_acquire+0x62f/0x4c20
[  412.269203]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  412.274308]  ? __lock_acquire+0x62f/0x4c20
[  412.278543]  ? should_fail+0x22d/0xd01
[  412.282442]  ? mark_held_locks+0x130/0x130
[  412.286685]  ? mark_held_locks+0x130/0x130
[  412.290928]  ? zap_class+0x640/0x640
[  412.294647]  ? ret_from_fork+0x3a/0x50
[  412.298542]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.304084]  ? check_preemption_disabled+0x48/0x280
[  412.309112]  ? __lock_is_held+0xb5/0x140
[  412.313186]  __alloc_pages_nodemask+0xa80/0xde0
[  412.317860]  ? zap_class+0x640/0x640
[  412.321581]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  412.326612]  ? find_held_lock+0x36/0x1c0
[  412.330687]  ? ____cache_alloc_node+0x1c7/0x1e0
[  412.335359]  ? lock_downgrade+0x900/0x900
[  412.339525]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.345069]  cache_grow_begin+0xa5/0x8c0
[  412.349132]  ? do_raw_spin_unlock+0xa7/0x330
[  412.353552]  fallback_alloc+0x204/0x2e0
[  412.357535]  ____cache_alloc_node+0x1c7/0x1e0
[  412.362042]  kmem_cache_alloc_node+0xe3/0x730
[  412.366544]  ? mark_held_locks+0xc7/0x130
[  412.370709]  __alloc_skb+0x119/0x770
[  412.374434]  ? netdev_alloc_frag+0x1f0/0x1f0
[  412.378843]  ? do_raw_spin_trylock+0x270/0x270
[  412.383428]  ? kmem_cache_alloc_trace+0x353/0x750
[  412.388288]  ? queue_work_on+0x12c/0x1e0
[  412.392362]  ? switchdev_port_obj_del+0xdc/0x440
[  412.397123]  ? switchdev_trans_item_enqueue+0x260/0x260
[  412.402494]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  412.407517]  __br_mdb_notify+0x4ff/0x15d0
[  412.411675]  ? __br_mdb_add+0x7f0/0x7f0
[  412.415662]  ? zap_class+0x640/0x640
[  412.419386]  ? br_multicast_group_expired+0x96/0x610
[  412.424493]  ? lock_downgrade+0x900/0x900
[  412.428646]  br_mdb_notify+0x310/0x410
[  412.432538]  ? br_mdb_dump+0x27b0/0x27b0
[  412.436606]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.442154]  br_multicast_group_expired+0x1bc/0x610
[  412.447181]  ? br_mdb_free+0x80/0x80
[  412.450908]  call_timer_fn+0x272/0x920
[  412.454803]  ? br_mdb_free+0x80/0x80
[  412.458524]  ? process_timeout+0x40/0x40
[  412.462597]  ? __run_timers+0x7da/0xc70
[  412.466576]  ? _raw_spin_unlock_irq+0x27/0x80
[  412.471070]  ? _raw_spin_unlock_irq+0x27/0x80
[  412.475568]  ? br_mdb_free+0x80/0x80
[  412.479286]  ? lockdep_hardirqs_on+0x296/0x5b0
[  412.483872]  ? trace_hardirqs_on+0xbd/0x310
[  412.488194]  ? kasan_check_read+0x11/0x20
[  412.492345]  ? __run_timers+0x7da/0xc70
[  412.496353]  ? trace_hardirqs_off_caller+0x310/0x310
[  412.501473]  ? br_mdb_free+0x80/0x80
[  412.505199]  ? br_mdb_free+0x80/0x80
[  412.508915]  __run_timers+0x7e5/0xc70
[  412.512729]  ? timer_fixup_init+0x70/0x70
[  412.516881]  ? _raw_spin_unlock_irq+0x27/0x80
[  412.521377]  ? _raw_spin_unlock_irq+0x27/0x80
[  412.525875]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  412.530462]  ? trace_hardirqs_on+0xbd/0x310
[  412.534787]  ? kasan_check_read+0x11/0x20
[  412.539114]  ? finish_task_switch+0x1f4/0x910
[  412.543619]  ? trace_hardirqs_off_caller+0x310/0x310
[  412.548728]  ? compat_start_thread+0x80/0x80
[  412.553166]  ? pvclock_read_flags+0x160/0x160
[  412.557661]  ? __switch_to_asm+0x34/0x70
[  412.561729]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.567278]  ? check_preemption_disabled+0x48/0x280
[  412.572305]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  412.577937]  ? rcu_pm_notify+0xc0/0xc0
[  412.581828]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.587399]  ? check_preemption_disabled+0x48/0x280
[  412.592434]  run_timer_softirq+0x52/0xb0
[  412.596497]  ? rcu_read_lock_sched_held+0x14f/0x180
[  412.601569]  __do_softirq+0x308/0xb7e
[  412.605388]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  412.610492]  ? trace_hardirqs_off+0xb8/0x310
[  412.614900]  ? rcu_irq_enter+0x18c/0x310
[  412.618973]  ? schedule+0x108/0x460
[  412.622608]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  412.627375]  ? trace_hardirqs_off+0xb8/0x310
[  412.631791]  ? smpboot_thread_fn+0x68b/0xa00
[  412.636206]  ? trace_hardirqs_on+0x310/0x310
[  412.640631]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  412.646171]  ? check_preemption_disabled+0x48/0x280
[  412.651191]  ? takeover_tasklets+0xa90/0xa90
[  412.655650]  run_ksoftirqd+0x5e/0x100
[  412.659454]  smpboot_thread_fn+0x68b/0xa00
[  412.663694]  ? sort_range+0x30/0x30
[  412.667325]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  412.672431]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  412.677971]  ? __kthread_parkme+0xfb/0x1a0
[  412.682213]  ? sort_range+0x30/0x30
[  412.685857]  kthread+0x35a/0x440
[  412.689252]  ? kthread_stop+0x900/0x900
[  412.693245]  ret_from_fork+0x3a/0x50
[  412.696978] warn_alloc_show_mem: 1 callbacks suppressed
[  412.696988] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  412.696989] Mem-Info:
[  412.697018] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  412.697018]  active_file:16 inactive_file:14 isolated_file:0
[  412.697018]  unevictable:0 dirty:0 writeback:0 unstable:0
[  412.697018]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  412.697018]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  412.697018]  free:13767 free_pcp:490 free_cma:0
[  412.702368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  412.709646] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  412.712043] Call Trace:
[  412.745084] 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
[  412.754435]  <IRQ>
[  412.782089] lowmem_reserve[]: 0 2818 6321 6321
[  412.784687]  dump_stack+0x244/0x39d
[  412.810769] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  412.812926]  ? dump_stack_print_info.cold.1+0x20/0x20
[  412.817478] lowmem_reserve[]: 0 0 3503 3503
[  412.821119]  warn_alloc.cold.116+0xb7/0x1bd
[  412.848590] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  412.853785]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  412.858080] lowmem_reserve[]: 0 0 0 0
[  412.862406]  ? lock_downgrade+0x900/0x900
[  412.891531] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  412.896386]  ? trace_hardirqs_off+0xb8/0x310
[  412.900160] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  412.904311]  ? trace_hardirqs_off+0xb8/0x310
[  412.917808] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  412.922241]  __alloc_pages_slowpath+0x26e8/0x2e10
[  412.937603] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  412.942029]  ? warn_alloc+0x120/0x120
[  412.957078] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  412.961912]  ? print_usage_bug+0xc0/0xc0
[  412.970732] 1997 total pagecache pages
[  412.974529]  ? warn_alloc+0x120/0x120
[  412.983088] 0 pages in swap cache
[  412.987143]  ? warn_alloc+0x120/0x120
[  412.991013] Swap cache stats: add 0, delete 0, find 0/0
[  412.994804]  ? print_usage_bug+0xc0/0xc0
[  412.998241] Free swap  = 0kB
[  413.002036]  ? kvm_clock_read+0x18/0x30
[  413.007379] Total swap = 0kB
[  413.011434]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  413.014431] 1965979 pages RAM
[  413.018399]  ? print_usage_bug+0xc0/0xc0
[  413.021417] 0 pages HighMem/MovableOnly
[  413.021424] 342853 pages reserved
[  413.026440]  ? __lock_acquire+0x62f/0x4c20
[  413.029524] 0 pages cma reserved
[  413.033582]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  413.037661] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  413.040982]  ? should_fail+0x22d/0xd01
[  413.045209] ksoftirqd/1 cpuset=/ mems_allowed=0
[  413.048570]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  413.048588]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  413.083320]  ? __lock_acquire+0x62f/0x4c20
[  413.087567]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  413.092671]  ? __lock_acquire+0x62f/0x4c20
[  413.096910]  ? should_fail+0x22d/0xd01
[  413.100797]  ? rcu_irq_exit+0x1a2/0x390
[  413.104783]  ? mark_held_locks+0x130/0x130
[  413.109022]  ? mark_held_locks+0x130/0x130
[  413.113270]  ? mark_held_locks+0xc7/0x130
[  413.117421]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  413.122438]  ? zap_class+0x640/0x640
[  413.126170]  ? print_usage_bug+0xc0/0xc0
[  413.130260]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.135801]  ? check_preemption_disabled+0x48/0x280
[  413.140831]  ? __lock_is_held+0xb5/0x140
[  413.144901]  __alloc_pages_nodemask+0xa80/0xde0
[  413.149571]  ? zap_class+0x640/0x640
[  413.153295]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  413.158324]  ? find_held_lock+0x36/0x1c0
[  413.162444]  ? ____cache_alloc_node+0x1c7/0x1e0
[  413.167115]  ? lock_downgrade+0x900/0x900
[  413.171272]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.176818]  cache_grow_begin+0xa5/0x8c0
[  413.180923]  ? do_raw_spin_unlock+0xa7/0x330
[  413.185342]  fallback_alloc+0x204/0x2e0
[  413.189327]  ____cache_alloc_node+0x1c7/0x1e0
[  413.193828]  kmem_cache_alloc_node+0xe3/0x730
[  413.198338]  __alloc_skb+0x119/0x770
[  413.202057]  ? netdev_alloc_frag+0x1f0/0x1f0
[  413.206467]  ? lock_downgrade+0x900/0x900
[  413.210622]  ? check_preemption_disabled+0x48/0x280
[  413.215644]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  413.220574]  ? kasan_check_read+0x11/0x20
[  413.224721]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  413.229997]  ? rcu_softirq_qs+0x20/0x20
[  413.233979]  ? ipv6_get_lladdr+0x3ca/0x5e0
[  413.238244]  ndisc_alloc_skb+0x144/0x340
[  413.242310]  ndisc_send_rs+0x7a/0x6e0
[  413.246120]  addrconf_rs_timer+0x314/0x690
[  413.250361]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.254607]  call_timer_fn+0x272/0x920
[  413.258500]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.262782]  ? process_timeout+0x40/0x40
[  413.266856]  ? __run_timers+0x7da/0xc70
[  413.270836]  ? _raw_spin_unlock_irq+0x27/0x80
[  413.275334]  ? _raw_spin_unlock_irq+0x27/0x80
[  413.279829]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.284065]  ? lockdep_hardirqs_on+0x296/0x5b0
[  413.288653]  ? trace_hardirqs_on+0xbd/0x310
[  413.292976]  ? kasan_check_read+0x11/0x20
[  413.297122]  ? __run_timers+0x7da/0xc70
[  413.301100]  ? trace_hardirqs_off_caller+0x310/0x310
[  413.306232]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.310468]  __run_timers+0x7e5/0xc70
[  413.314281]  ? timer_fixup_init+0x70/0x70
[  413.318434]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  413.323452]  ? zap_class+0x640/0x640
[  413.327187]  ? enqueue_hrtimer+0x1a5/0x560
[  413.331432]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  413.336631]  ? find_held_lock+0x36/0x1c0
[  413.340696]  ? zap_class+0x640/0x640
[  413.344420]  ? pvclock_read_flags+0x160/0x160
[  413.348921]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.354462]  ? check_preemption_disabled+0x48/0x280
[  413.359484]  ? __lock_is_held+0xb5/0x140
[  413.363553]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.369092]  ? check_preemption_disabled+0x48/0x280
[  413.374114]  run_timer_softirq+0x52/0xb0
[  413.378198]  ? rcu_read_lock_sched_held+0x14f/0x180
[  413.383222]  __do_softirq+0x308/0xb7e
[  413.387029]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  413.391527]  ? lock_downgrade+0x900/0x900
[  413.395684]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  413.400802]  ? pvclock_read_flags+0x160/0x160
[  413.405304]  ? lapic_next_event+0x5a/0x90
[  413.409457]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.415002]  ? kvm_clock_read+0x18/0x30
[  413.418976]  ? kvm_sched_clock_read+0x9/0x20
[  413.423387]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.428924]  ? check_preemption_disabled+0x48/0x280
[  413.433954]  irq_exit+0x17f/0x1c0
[  413.437422]  smp_apic_timer_interrupt+0x1cb/0x760
[  413.442270]  ? smp_reschedule_interrupt+0x109/0x650
[  413.447290]  ? smp_call_function_single_interrupt+0x650/0x650
[  413.453196]  ? interrupt_entry+0xb5/0xc0
[  413.457268]  ? trace_hardirqs_off_caller+0xbb/0x310
[  413.462288]  ? trace_hardirqs_off_caller+0xbb/0x310
[  413.467305]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  413.472154]  ? trace_hardirqs_on_caller+0x310/0x310
[  413.477208]  ? trace_hardirqs_on_caller+0x310/0x310
[  413.482226]  ? task_prio+0x50/0x50
[  413.485768]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.491311]  ? check_preemption_disabled+0x48/0x280
[  413.496342]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  413.501209]  apic_timer_interrupt+0xf/0x20
[  413.505437]  </IRQ>
[  413.507678] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  413.512613] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  413.531517] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  413.539226] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  413.546496] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  413.553767] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  413.561035] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  413.568305] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  413.575617]  skb_clone+0x1bb/0x500
[  413.579179]  ? finish_task_switch+0x2f4/0x910
[  413.583682]  ? skb_split+0x11e0/0x11e0
[  413.587600]  ? preempt_notifier_register+0x200/0x200
[  413.592719]  ? __switch_to_asm+0x34/0x70
[  413.596780]  ? __switch_to_asm+0x34/0x70
[  413.600840]  ? __switch_to_asm+0x40/0x70
[  413.604905]  ? __switch_to_asm+0x34/0x70
[  413.608963]  ? __switch_to_asm+0x40/0x70
[  413.613026]  ? __switch_to_asm+0x34/0x70
[  413.617086]  ? __switch_to_asm+0x40/0x70
[  413.621144]  ? __switch_to_asm+0x34/0x70
[  413.625226]  ? __switch_to_asm+0x34/0x70
[  413.629291]  ? __switch_to_asm+0x40/0x70
[  413.633351]  ? __switch_to_asm+0x34/0x70
[  413.637420]  bpf_clone_redirect+0xb9/0x490
[  413.641660]  ? __schedule+0x8d7/0x21d0
[  413.645560]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  413.650494]  ? __sched_text_start+0x8/0x8
[  413.654647]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  413.659233]  ? retint_kernel+0x2d/0x2d
[  413.663123]  ? trace_hardirqs_on_caller+0xc0/0x310
[  413.668078]  ? find_held_lock+0x36/0x1c0
[  413.672168]  ? lock_acquire+0x1ed/0x520
[  413.676170]  ? bpf_test_run+0x3cb/0x780
[  413.680167]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.685708]  ? check_preemption_disabled+0x48/0x280
[  413.690734]  ? kasan_check_read+0x11/0x20
[  413.694882]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  413.700177]  ? rcu_softirq_qs+0x20/0x20
[  413.704172]  ? preempt_schedule+0x4d/0x60
[  413.708322]  ? ___preempt_schedule+0x16/0x18
[  413.712744]  ? bpf_test_run+0x25d/0x780
[  413.716730]  ? netlink_diag_dump+0x2a0/0x2a0
[  413.721157]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  413.726699]  ? bpf_test_init.isra.10+0x70/0x100
[  413.731374]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  413.736153]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  413.741000]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  413.746539]  ? fput+0x130/0x1a0
[  413.749824]  ? __bpf_prog_get+0x9b/0x290
[  413.753889]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  413.758731]  ? bpf_prog_test_run+0x130/0x1a0
[  413.763170]  ? __x64_sys_bpf+0x3d8/0x520
[  413.767236]  ? bpf_prog_get+0x20/0x20
[  413.771059]  ? do_syscall_64+0x1b9/0x820
[  413.775126]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  413.780511]  ? syscall_return_slowpath+0x5e0/0x5e0
[  413.785444]  ? trace_hardirqs_on_caller+0x310/0x310
[  413.790465]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  413.795484]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  413.802167]  ? __switch_to_asm+0x40/0x70
[  413.806229]  ? __switch_to_asm+0x34/0x70
[  413.810298]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  413.815170]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  413.820561] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  413.820622] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  413.827404] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  413.827411] Call Trace:
[  413.833971] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  413.843250]  dump_stack+0x244/0x39d
[  413.845812] syz-executor4 cpuset=syz4 mems_allowed=0
[  413.856297]  ? dump_stack_print_info.cold.1+0x20/0x20
[  413.870194]  warn_alloc.cold.116+0xb7/0x1bd
[  413.874518]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  413.879366]  ? lock_downgrade+0x900/0x900
[  413.883523]  ? trace_hardirqs_off+0xb8/0x310
[  413.887944]  ? trace_hardirqs_off+0xb8/0x310
[  413.892373]  __alloc_pages_slowpath+0x26e8/0x2e10
[  413.897244]  ? warn_alloc+0x120/0x120
[  413.901055]  ? warn_alloc+0x120/0x120
[  413.904860]  ? __bfs+0xb0/0x780
[  413.908189]  ? warn_alloc+0x120/0x120
[  413.912001]  ? print_usage_bug+0xc0/0xc0
[  413.916064]  ? lockdep_on+0x50/0x50
[  413.919696]  ? print_usage_bug+0xc0/0xc0
[  413.923762]  ? check_usage+0x1aa/0x790
[  413.927658]  ? trace_hardirqs_off+0xb8/0x310
[  413.932074]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  413.937615]  ? should_fail+0x22d/0xd01
[  413.941514]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  413.946620]  ? __lock_acquire+0x62f/0x4c20
[  413.950870]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  413.955977]  ? __lock_acquire+0x62f/0x4c20
[  413.960213]  ? should_fail+0x22d/0xd01
[  413.964118]  ? mark_held_locks+0x130/0x130
[  413.968380]  ? mark_held_locks+0x130/0x130
[  413.973029]  ? zap_class+0x640/0x640
[  413.976752]  ? ret_from_fork+0x3a/0x50
[  413.980658]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.986203]  ? check_preemption_disabled+0x48/0x280
[  413.991233]  ? __lock_is_held+0xb5/0x140
[  413.995304]  __alloc_pages_nodemask+0xa80/0xde0
[  414.000236]  ? zap_class+0x640/0x640
[  414.003956]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  414.008984]  ? find_held_lock+0x36/0x1c0
[  414.013059]  ? ____cache_alloc_node+0x1c7/0x1e0
[  414.017735]  ? lock_downgrade+0x900/0x900
[  414.021892]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.027438]  cache_grow_begin+0xa5/0x8c0
[  414.031503]  ? do_raw_spin_unlock+0xa7/0x330
[  414.035924]  fallback_alloc+0x204/0x2e0
[  414.039905]  ____cache_alloc_node+0x1c7/0x1e0
[  414.044406]  kmem_cache_alloc_node+0xe3/0x730
[  414.048903]  ? mark_held_locks+0xc7/0x130
[  414.053064]  __alloc_skb+0x119/0x770
[  414.056788]  ? netdev_alloc_frag+0x1f0/0x1f0
[  414.061199]  ? do_raw_spin_trylock+0x270/0x270
[  414.065788]  ? kmem_cache_alloc_trace+0x353/0x750
[  414.070644]  ? queue_work_on+0x12c/0x1e0
[  414.074718]  ? switchdev_port_obj_del+0xdc/0x440
[  414.079484]  ? switchdev_trans_item_enqueue+0x260/0x260
[  414.084854]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  414.089876]  __br_mdb_notify+0x4ff/0x15d0
[  414.094035]  ? __br_mdb_add+0x7f0/0x7f0
[  414.098021]  ? zap_class+0x640/0x640
[  414.101746]  ? br_multicast_group_expired+0x96/0x610
[  414.106851]  ? lock_downgrade+0x900/0x900
[  414.111003]  br_mdb_notify+0x310/0x410
[  414.114894]  ? br_mdb_dump+0x27b0/0x27b0
[  414.118965]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.124515]  br_multicast_group_expired+0x1bc/0x610
[  414.129537]  ? br_mdb_free+0x80/0x80
[  414.133263]  call_timer_fn+0x272/0x920
[  414.137159]  ? br_mdb_free+0x80/0x80
[  414.141167]  ? process_timeout+0x40/0x40
[  414.145241]  ? __run_timers+0x7da/0xc70
[  414.149222]  ? _raw_spin_unlock_irq+0x27/0x80
[  414.153722]  ? _raw_spin_unlock_irq+0x27/0x80
[  414.158221]  ? br_mdb_free+0x80/0x80
[  414.161944]  ? lockdep_hardirqs_on+0x296/0x5b0
[  414.166532]  ? trace_hardirqs_on+0xbd/0x310
[  414.170854]  ? kasan_check_read+0x11/0x20
[  414.175007]  ? __run_timers+0x7da/0xc70
[  414.178985]  ? trace_hardirqs_off_caller+0x310/0x310
[  414.184093]  ? br_mdb_free+0x80/0x80
[  414.187834]  ? br_mdb_free+0x80/0x80
[  414.191551]  __run_timers+0x7e5/0xc70
[  414.195363]  ? timer_fixup_init+0x70/0x70
[  414.199517]  ? _raw_spin_unlock_irq+0x27/0x80
[  414.204015]  ? _raw_spin_unlock_irq+0x27/0x80
[  414.208516]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  414.213118]  ? trace_hardirqs_on+0xbd/0x310
[  414.217441]  ? kasan_check_read+0x11/0x20
[  414.221592]  ? finish_task_switch+0x1f4/0x910
[  414.226193]  ? trace_hardirqs_off_caller+0x310/0x310
[  414.231304]  ? compat_start_thread+0x80/0x80
[  414.235737]  ? pvclock_read_flags+0x160/0x160
[  414.240237]  ? __switch_to_asm+0x34/0x70
[  414.244306]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.249851]  ? check_preemption_disabled+0x48/0x280
[  414.254877]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  414.260422]  ? rcu_pm_notify+0xc0/0xc0
[  414.264319]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.272381]  ? check_preemption_disabled+0x48/0x280
[  414.277404]  run_timer_softirq+0x52/0xb0
[  414.281468]  ? rcu_read_lock_sched_held+0x14f/0x180
[  414.286490]  __do_softirq+0x308/0xb7e
[  414.290309]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  414.295418]  ? trace_hardirqs_off+0xb8/0x310
[  414.299828]  ? rcu_irq_enter+0x18c/0x310
[  414.303896]  ? schedule+0x108/0x460
[  414.307530]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  414.312298]  ? trace_hardirqs_off+0xb8/0x310
[  414.316714]  ? smpboot_thread_fn+0x68b/0xa00
[  414.321141]  ? trace_hardirqs_on+0x310/0x310
[  414.325554]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.331110]  ? check_preemption_disabled+0x48/0x280
[  414.336140]  ? takeover_tasklets+0xa90/0xa90
[  414.340550]  run_ksoftirqd+0x5e/0x100
[  414.344361]  smpboot_thread_fn+0x68b/0xa00
[  414.348603]  ? sort_range+0x30/0x30
[  414.352261]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  414.357369]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.362913]  ? __kthread_parkme+0xfb/0x1a0
[  414.367168]  ? sort_range+0x30/0x30
[  414.370800]  kthread+0x35a/0x440
[  414.374174]  ? kthread_stop+0x900/0x900
[  414.378158]  ret_from_fork+0x3a/0x50
[  414.381886] warn_alloc_show_mem: 1 callbacks suppressed
[  414.381895] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  414.381921] Mem-Info:
[  414.387271] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  414.387278] Call Trace:
[  414.394562] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  414.394562]  active_file:16 inactive_file:14 isolated_file:0
[  414.394562]  unevictable:0 dirty:0 writeback:0 unstable:0
[  414.394562]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  414.394562]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  414.394562]  free:13767 free_pcp:490 free_cma:0
[  414.396943]  <IRQ>
[  414.406308] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  414.408888]  dump_stack+0x244/0x39d
[  414.441916] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  414.444070]  ? dump_stack_print_info.cold.1+0x20/0x20
[  414.471714] lowmem_reserve[]: 0 2818 6321 6321
[  414.475355]  warn_alloc.cold.116+0xb7/0x1bd
[  414.501437] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  414.506627]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  414.511180] lowmem_reserve[]: 0 0 3503 3503
[  414.515503]  ? lock_downgrade+0x900/0x900
[  414.543017] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  414.547869]  ? trace_hardirqs_off+0xb8/0x310
[  414.552157] lowmem_reserve[]: 0 0 0 0
[  414.556310]  ? trace_hardirqs_off+0xb8/0x310
[  414.585523] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  414.589939]  __alloc_pages_slowpath+0x26e8/0x2e10
[  414.593718] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  414.598152]  ? warn_alloc+0x120/0x120
[  414.611627] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  414.616478]  ? print_usage_bug+0xc0/0xc0
[  414.631808] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  414.635604]  ? warn_alloc+0x120/0x120
[  414.650663] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  414.650671] 1997 total pagecache pages
[  414.654724]  ? warn_alloc+0x120/0x120
[  414.663544] 0 pages in swap cache
[  414.667332]  ? print_usage_bug+0xc0/0xc0
[  414.675880] Swap cache stats: add 0, delete 0, find 0/0
[  414.675888] Free swap  = 0kB
[  414.679765]  ? kvm_clock_read+0x18/0x30
[  414.683547] Total swap = 0kB
[  414.686988]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  414.691017] 1965979 pages RAM
[  414.696365]  ? print_usage_bug+0xc0/0xc0
[  414.699353] 0 pages HighMem/MovableOnly
[  414.699360] 342853 pages reserved
[  414.703318]  ? __lock_acquire+0x62f/0x4c20
[  414.706305] 0 pages cma reserved
[  414.706443] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  414.711322]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.714403] ksoftirqd/1 cpuset=/ mems_allowed=0
[  414.718454]  ? should_fail+0x22d/0xd01
[  414.757765]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  414.763040]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  414.768148]  ? __lock_acquire+0x62f/0x4c20
[  414.772380]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  414.777474]  ? __lock_acquire+0x62f/0x4c20
[  414.781703]  ? should_fail+0x22d/0xd01
[  414.785584]  ? rcu_irq_exit+0x1a2/0x390
[  414.789580]  ? mark_held_locks+0x130/0x130
[  414.793818]  ? mark_held_locks+0x130/0x130
[  414.798053]  ? mark_held_locks+0xc7/0x130
[  414.802206]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  414.807216]  ? zap_class+0x640/0x640
[  414.810922]  ? print_usage_bug+0xc0/0xc0
[  414.814998]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.820531]  ? check_preemption_disabled+0x48/0x280
[  414.825554]  ? __lock_is_held+0xb5/0x140
[  414.829616]  __alloc_pages_nodemask+0xa80/0xde0
[  414.834292]  ? zap_class+0x640/0x640
[  414.838018]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  414.843049]  ? find_held_lock+0x36/0x1c0
[  414.847124]  ? ____cache_alloc_node+0x1c7/0x1e0
[  414.851794]  ? lock_downgrade+0x900/0x900
[  414.855942]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.861477]  cache_grow_begin+0xa5/0x8c0
[  414.865530]  ? do_raw_spin_unlock+0xa7/0x330
[  414.869939]  fallback_alloc+0x204/0x2e0
[  414.873915]  ____cache_alloc_node+0x1c7/0x1e0
[  414.878413]  kmem_cache_alloc_node+0xe3/0x730
[  414.882901]  ? ipv6_get_ifaddr+0x42e/0x620
[  414.887139]  __alloc_skb+0x119/0x770
[  414.890848]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  414.896124]  ? netdev_alloc_frag+0x1f0/0x1f0
[  414.900524]  ? lock_downgrade+0x900/0x900
[  414.904674]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.910207]  ? refcount_sub_and_test_checked+0x203/0x310
[  414.915652]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  414.921110]  ? addrconf_rs_timer+0x690/0x690
[  414.925531]  ndisc_alloc_skb+0x144/0x340
[  414.929593]  ndisc_send_rs+0x331/0x6e0
[  414.933481]  addrconf_rs_timer+0x314/0x690
[  414.937715]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  414.941956]  call_timer_fn+0x272/0x920
[  414.945840]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  414.950077]  ? process_timeout+0x40/0x40
[  414.954143]  ? __run_timers+0x7da/0xc70
[  414.958116]  ? _raw_spin_unlock_irq+0x27/0x80
[  414.962604]  ? _raw_spin_unlock_irq+0x27/0x80
[  414.967094]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  414.971325]  ? lockdep_hardirqs_on+0x296/0x5b0
[  414.976363]  ? trace_hardirqs_on+0xbd/0x310
[  414.980680]  ? kasan_check_read+0x11/0x20
[  414.984820]  ? __run_timers+0x7da/0xc70
[  414.988790]  ? trace_hardirqs_off_caller+0x310/0x310
[  414.993889]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  414.998123]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.002349]  __run_timers+0x7e5/0xc70
[  415.006158]  ? timer_fixup_init+0x70/0x70
[  415.010304]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  415.015317]  ? zap_class+0x640/0x640
[  415.019033]  ? enqueue_hrtimer+0x1a5/0x560
[  415.023276]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  415.028468]  ? find_held_lock+0x36/0x1c0
[  415.032527]  ? zap_class+0x640/0x640
[  415.036240]  ? pvclock_read_flags+0x160/0x160
[  415.040732]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.046265]  ? check_preemption_disabled+0x48/0x280
[  415.051285]  ? __lock_is_held+0xb5/0x140
[  415.055358]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.060892]  ? check_preemption_disabled+0x48/0x280
[  415.065912]  run_timer_softirq+0x52/0xb0
[  415.069971]  ? rcu_read_lock_sched_held+0x14f/0x180
[  415.074987]  __do_softirq+0x308/0xb7e
[  415.078788]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  415.083292]  ? lock_downgrade+0x900/0x900
[  415.087439]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  415.092544]  ? pvclock_read_flags+0x160/0x160
[  415.097034]  ? lapic_next_event+0x5a/0x90
[  415.101189]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.106723]  ? kvm_clock_read+0x18/0x30
[  415.110689]  ? kvm_sched_clock_read+0x9/0x20
[  415.115098]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.120632]  ? check_preemption_disabled+0x48/0x280
[  415.125653]  irq_exit+0x17f/0x1c0
[  415.129100]  smp_apic_timer_interrupt+0x1cb/0x760
[  415.133936]  ? smp_reschedule_interrupt+0x109/0x650
[  415.138947]  ? smp_call_function_single_interrupt+0x650/0x650
[  415.144826]  ? interrupt_entry+0xb5/0xc0
[  415.148881]  ? trace_hardirqs_off_caller+0xbb/0x310
[  415.153893]  ? trace_hardirqs_off_caller+0xbb/0x310
[  415.158902]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  415.163737]  ? trace_hardirqs_on_caller+0x310/0x310
[  415.168747]  ? trace_hardirqs_on_caller+0x310/0x310
[  415.173760]  ? task_prio+0x50/0x50
[  415.177296]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.182832]  ? check_preemption_disabled+0x48/0x280
[  415.187846]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  415.192688]  apic_timer_interrupt+0xf/0x20
[  415.196909]  </IRQ>
[  415.199148] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  415.204079] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  415.222975] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  415.230673] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  415.237935] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  415.245204] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  415.252468] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  415.259730] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  415.267037]  skb_clone+0x1bb/0x500
[  415.270584]  ? finish_task_switch+0x2f4/0x910
[  415.275074]  ? skb_split+0x11e0/0x11e0
[  415.278962]  ? preempt_notifier_register+0x200/0x200
[  415.284068]  ? __switch_to_asm+0x34/0x70
[  415.288120]  ? __switch_to_asm+0x34/0x70
[  415.292173]  ? __switch_to_asm+0x40/0x70
[  415.296225]  ? __switch_to_asm+0x34/0x70
[  415.300276]  ? __switch_to_asm+0x40/0x70
[  415.304327]  ? __switch_to_asm+0x34/0x70
[  415.308382]  ? __switch_to_asm+0x40/0x70
[  415.312432]  ? __switch_to_asm+0x34/0x70
[  415.316490]  ? __switch_to_asm+0x34/0x70
[  415.320543]  ? __switch_to_asm+0x40/0x70
[  415.324598]  ? __switch_to_asm+0x34/0x70
[  415.328670]  bpf_clone_redirect+0xb9/0x490
[  415.332902]  ? __schedule+0x8d7/0x21d0
[  415.336789]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  415.341718]  ? __sched_text_start+0x8/0x8
[  415.345861]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  415.350436]  ? retint_kernel+0x2d/0x2d
[  415.354324]  ? trace_hardirqs_on_caller+0xc0/0x310
[  415.359255]  ? find_held_lock+0x36/0x1c0
[  415.363317]  ? lock_acquire+0x1ed/0x520
[  415.367288]  ? bpf_test_run+0x3cb/0x780
[  415.371259]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.376820]  ? check_preemption_disabled+0x48/0x280
[  415.381836]  ? kasan_check_read+0x11/0x20
[  415.385977]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  415.391246]  ? rcu_softirq_qs+0x20/0x20
[  415.395220]  ? preempt_schedule+0x4d/0x60
[  415.399359]  ? ___preempt_schedule+0x16/0x18
[  415.403774]  ? bpf_test_run+0x25d/0x780
[  415.407757]  ? netlink_diag_dump+0x2a0/0x2a0
[  415.412166]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  415.417697]  ? bpf_test_init.isra.10+0x70/0x100
[  415.422375]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  415.427145]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  415.432077]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  415.437616]  ? fput+0x130/0x1a0
[  415.440902]  ? __bpf_prog_get+0x9b/0x290
[  415.444959]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  415.449795]  ? bpf_prog_test_run+0x130/0x1a0
[  415.454202]  ? __x64_sys_bpf+0x3d8/0x520
[  415.458256]  ? bpf_prog_get+0x20/0x20
[  415.462071]  ? do_syscall_64+0x1b9/0x820
[  415.466124]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  415.471482]  ? syscall_return_slowpath+0x5e0/0x5e0
[  415.476409]  ? trace_hardirqs_on_caller+0x310/0x310
[  415.481424]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  415.486445]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  415.493106]  ? __switch_to_asm+0x40/0x70
[  415.497161]  ? __switch_to_asm+0x34/0x70
[  415.501227]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  415.506074]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  415.511453] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  415.511513] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  415.518296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  415.524844] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  415.534104] Call Trace:
[  415.544569] syz-executor4 cpuset=syz4 mems_allowed=0
[  415.547147]  dump_stack+0x244/0x39d
[  415.555838]  ? dump_stack_print_info.cold.1+0x20/0x20
[  415.561042]  warn_alloc.cold.116+0xb7/0x1bd
[  415.565363]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  415.570204]  ? lock_downgrade+0x900/0x900
[  415.574357]  ? trace_hardirqs_off+0xb8/0x310
[  415.578767]  ? trace_hardirqs_off+0xb8/0x310
[  415.583179]  __alloc_pages_slowpath+0x26e8/0x2e10
[  415.588050]  ? warn_alloc+0x120/0x120
[  415.591856]  ? warn_alloc+0x120/0x120
[  415.595651]  ? __bfs+0xb0/0x780
[  415.598925]  ? warn_alloc+0x120/0x120
[  415.602720]  ? print_usage_bug+0xc0/0xc0
[  415.606784]  ? lockdep_on+0x50/0x50
[  415.610414]  ? print_usage_bug+0xc0/0xc0
[  415.614467]  ? check_usage+0x1aa/0x790
[  415.618351]  ? trace_hardirqs_off+0xb8/0x310
[  415.622758]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  415.628292]  ? should_fail+0x22d/0xd01
[  415.632181]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  415.637280]  ? __lock_acquire+0x62f/0x4c20
[  415.641517]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  415.646627]  ? __lock_acquire+0x62f/0x4c20
[  415.650854]  ? should_fail+0x22d/0xd01
[  415.654746]  ? mark_held_locks+0x130/0x130
[  415.658983]  ? mark_held_locks+0x130/0x130
[  415.663231]  ? zap_class+0x640/0x640
[  415.666939]  ? ret_from_fork+0x3a/0x50
[  415.670824]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.676359]  ? check_preemption_disabled+0x48/0x280
[  415.681379]  ? __lock_is_held+0xb5/0x140
[  415.685444]  __alloc_pages_nodemask+0xa80/0xde0
[  415.690107]  ? zap_class+0x640/0x640
[  415.693819]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  415.698841]  ? find_held_lock+0x36/0x1c0
[  415.702907]  ? ____cache_alloc_node+0x1c7/0x1e0
[  415.707579]  ? lock_downgrade+0x900/0x900
[  415.711742]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.717293]  cache_grow_begin+0xa5/0x8c0
[  415.721347]  ? do_raw_spin_unlock+0xa7/0x330
[  415.725758]  fallback_alloc+0x204/0x2e0
[  415.729735]  ____cache_alloc_node+0x1c7/0x1e0
[  415.734230]  kmem_cache_alloc_node+0xe3/0x730
[  415.738723]  ? mark_held_locks+0xc7/0x130
[  415.742873]  __alloc_skb+0x119/0x770
[  415.746590]  ? netdev_alloc_frag+0x1f0/0x1f0
[  415.750998]  ? do_raw_spin_trylock+0x270/0x270
[  415.755578]  ? kmem_cache_alloc_trace+0x353/0x750
[  415.760424]  ? queue_work_on+0x12c/0x1e0
[  415.764486]  ? switchdev_port_obj_del+0xdc/0x440
[  415.769243]  ? switchdev_trans_item_enqueue+0x260/0x260
[  415.774608]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  415.779626]  __br_mdb_notify+0x4ff/0x15d0
[  415.783776]  ? __br_mdb_add+0x7f0/0x7f0
[  415.787763]  ? zap_class+0x640/0x640
[  415.791484]  ? br_multicast_group_expired+0x96/0x610
[  415.796584]  ? lock_downgrade+0x900/0x900
[  415.800732]  br_mdb_notify+0x310/0x410
[  415.804614]  ? br_mdb_dump+0x27b0/0x27b0
[  415.808673]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.814220]  br_multicast_group_expired+0x1bc/0x610
[  415.819234]  ? br_mdb_free+0x80/0x80
[  415.822952]  call_timer_fn+0x272/0x920
[  415.826838]  ? br_mdb_free+0x80/0x80
[  415.830548]  ? process_timeout+0x40/0x40
[  415.834609]  ? __run_timers+0x7da/0xc70
[  415.838586]  ? _raw_spin_unlock_irq+0x27/0x80
[  415.843086]  ? _raw_spin_unlock_irq+0x27/0x80
[  415.847578]  ? br_mdb_free+0x80/0x80
[  415.851301]  ? lockdep_hardirqs_on+0x296/0x5b0
[  415.855888]  ? trace_hardirqs_on+0xbd/0x310
[  415.860203]  ? kasan_check_read+0x11/0x20
[  415.864346]  ? __run_timers+0x7da/0xc70
[  415.868319]  ? trace_hardirqs_off_caller+0x310/0x310
[  415.873428]  ? br_mdb_free+0x80/0x80
[  415.877149]  ? br_mdb_free+0x80/0x80
[  415.880858]  __run_timers+0x7e5/0xc70
[  415.884662]  ? timer_fixup_init+0x70/0x70
[  415.888804]  ? _raw_spin_unlock_irq+0x27/0x80
[  415.893291]  ? _raw_spin_unlock_irq+0x27/0x80
[  415.897780]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  415.902360]  ? trace_hardirqs_on+0xbd/0x310
[  415.906674]  ? kasan_check_read+0x11/0x20
[  415.910822]  ? finish_task_switch+0x1f4/0x910
[  415.915315]  ? trace_hardirqs_off_caller+0x310/0x310
[  415.920416]  ? compat_start_thread+0x80/0x80
[  415.924839]  ? pvclock_read_flags+0x160/0x160
[  415.929328]  ? __switch_to_asm+0x34/0x70
[  415.933385]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.938921]  ? check_preemption_disabled+0x48/0x280
[  415.944465]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  415.950011]  ? rcu_pm_notify+0xc0/0xc0
[  415.953894]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.959424]  ? check_preemption_disabled+0x48/0x280
[  415.964439]  run_timer_softirq+0x52/0xb0
[  415.968501]  ? rcu_read_lock_sched_held+0x14f/0x180
[  415.973837]  __do_softirq+0x308/0xb7e
[  415.977648]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  415.982750]  ? trace_hardirqs_off+0xb8/0x310
[  415.987155]  ? rcu_irq_enter+0x18c/0x310
[  415.991219]  ? schedule+0x108/0x460
[  415.994840]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  415.999599]  ? trace_hardirqs_off+0xb8/0x310
[  416.004007]  ? smpboot_thread_fn+0x68b/0xa00
[  416.008413]  ? trace_hardirqs_on+0x310/0x310
[  416.012817]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  416.018381]  ? check_preemption_disabled+0x48/0x280
[  416.023394]  ? takeover_tasklets+0xa90/0xa90
[  416.027801]  run_ksoftirqd+0x5e/0x100
[  416.031598]  smpboot_thread_fn+0x68b/0xa00
[  416.035831]  ? sort_range+0x30/0x30
[  416.039453]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  416.044557]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  416.050089]  ? __kthread_parkme+0xfb/0x1a0
[  416.054325]  ? sort_range+0x30/0x30
[  416.057948]  kthread+0x35a/0x440
[  416.061318]  ? kthread_stop+0x900/0x900
[  416.065292]  ret_from_fork+0x3a/0x50
[  416.069013] warn_alloc_show_mem: 1 callbacks suppressed
[  416.069023] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  416.069024] Mem-Info:
[  416.069053] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  416.069053]  active_file:16 inactive_file:14 isolated_file:0
[  416.069053]  unevictable:0 dirty:0 writeback:0 unstable:0
[  416.069053]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  416.069053]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  416.069053]  free:13767 free_pcp:490 free_cma:0
[  416.074397] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  416.081665] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  416.084053] Call Trace:
[  416.117084] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  416.126423]  <IRQ>
[  416.154554] lowmem_reserve[]: 0 2818 6321 6321
[  416.157150]  dump_stack+0x244/0x39d
[  416.183316] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  416.185464]  ? dump_stack_print_info.cold.1+0x20/0x20
[  416.190017] lowmem_reserve[]: 0 0 3503 3503
[  416.193643]  warn_alloc.cold.116+0xb7/0x1bd
[  416.221114] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  416.226292]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  416.230581] lowmem_reserve[]: 0 0 0 0
[  416.234894]  ? lock_downgrade+0x900/0x900
[  416.264012] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  416.268851]  ? trace_hardirqs_off+0xb8/0x310
[  416.272623] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  416.276778]  ? trace_hardirqs_off+0xb8/0x310
[  416.290262] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  416.294674]  __alloc_pages_slowpath+0x26e8/0x2e10
[  416.309991] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  416.314407]  ? warn_alloc+0x120/0x120
[  416.329448] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  416.334275]  ? print_usage_bug+0xc0/0xc0
[  416.343083] 1997 total pagecache pages
[  416.346871]  ? warn_alloc+0x120/0x120
[  416.355425] 0 pages in swap cache
[  416.359468]  ? warn_alloc+0x120/0x120
[  416.363333] Swap cache stats: add 0, delete 0, find 0/0
[  416.367119]  ? print_usage_bug+0xc0/0xc0
[  416.370545] Free swap  = 0kB
[  416.374335]  ? kvm_clock_read+0x18/0x30
[  416.379672] Total swap = 0kB
[  416.383721]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  416.386708] 1965979 pages RAM
[  416.390668]  ? print_usage_bug+0xc0/0xc0
[  416.393655] 0 pages HighMem/MovableOnly
[  416.393662] 342853 pages reserved
[  416.398664]  ? __lock_acquire+0x62f/0x4c20
[  416.401734] 0 pages cma reserved
[  416.401871] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  416.405794]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  416.409737] ksoftirqd/1 cpuset=/ mems_allowed=0
[  416.413181]  ? should_fail+0x22d/0xd01
[  416.445067]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  416.450342]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  416.455441]  ? __lock_acquire+0x62f/0x4c20
[  416.459678]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  416.464774]  ? __lock_acquire+0x62f/0x4c20
[  416.469001]  ? should_fail+0x22d/0xd01
[  416.472881]  ? rcu_irq_exit+0x1a2/0x390
[  416.476860]  ? mark_held_locks+0x130/0x130
[  416.481092]  ? mark_held_locks+0x130/0x130
[  416.485327]  ? mark_held_locks+0xc7/0x130
[  416.489467]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  416.494478]  ? zap_class+0x640/0x640
[  416.498187]  ? print_usage_bug+0xc0/0xc0
[  416.502244]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.507774]  ? check_preemption_disabled+0x48/0x280
[  416.512791]  ? __lock_is_held+0xb5/0x140
[  416.516855]  __alloc_pages_nodemask+0xa80/0xde0
[  416.521517]  ? zap_class+0x640/0x640
[  416.525233]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  416.530253]  ? find_held_lock+0x36/0x1c0
[  416.534319]  ? ____cache_alloc_node+0x1c7/0x1e0
[  416.538992]  ? lock_downgrade+0x900/0x900
[  416.543145]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.548680]  cache_grow_begin+0xa5/0x8c0
[  416.552734]  ? do_raw_spin_unlock+0xa7/0x330
[  416.557149]  fallback_alloc+0x204/0x2e0
[  416.561124]  ____cache_alloc_node+0x1c7/0x1e0
[  416.565621]  kmem_cache_alloc_node+0xe3/0x730
[  416.570129]  ? ipv6_get_ifaddr+0x42e/0x620
[  416.574372]  __alloc_skb+0x119/0x770
[  416.578089]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  416.583365]  ? netdev_alloc_frag+0x1f0/0x1f0
[  416.587765]  ? lock_downgrade+0x900/0x900
[  416.591917]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.597462]  ? refcount_sub_and_test_checked+0x203/0x310
[  416.602908]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  416.608362]  ? addrconf_rs_timer+0x690/0x690
[  416.612789]  ndisc_alloc_skb+0x144/0x340
[  416.616847]  ndisc_send_rs+0x331/0x6e0
[  416.620731]  addrconf_rs_timer+0x314/0x690
[  416.624972]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.629214]  call_timer_fn+0x272/0x920
[  416.633094]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.637334]  ? process_timeout+0x40/0x40
[  416.641397]  ? __run_timers+0x7da/0xc70
[  416.645369]  ? _raw_spin_unlock_irq+0x27/0x80
[  416.649859]  ? _raw_spin_unlock_irq+0x27/0x80
[  416.654353]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.658581]  ? lockdep_hardirqs_on+0x296/0x5b0
[  416.663246]  ? trace_hardirqs_on+0xbd/0x310
[  416.667563]  ? kasan_check_read+0x11/0x20
[  416.671705]  ? __run_timers+0x7da/0xc70
[  416.675673]  ? trace_hardirqs_off_caller+0x310/0x310
[  416.680772]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.685007]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.689232]  __run_timers+0x7e5/0xc70
[  416.693040]  ? timer_fixup_init+0x70/0x70
[  416.697181]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  416.702192]  ? zap_class+0x640/0x640
[  416.705902]  ? enqueue_hrtimer+0x1a5/0x560
[  416.710148]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  416.715336]  ? find_held_lock+0x36/0x1c0
[  416.719397]  ? zap_class+0x640/0x640
[  416.723108]  ? pvclock_read_flags+0x160/0x160
[  416.727598]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.733140]  ? check_preemption_disabled+0x48/0x280
[  416.738163]  ? __lock_is_held+0xb5/0x140
[  416.742222]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.747753]  ? check_preemption_disabled+0x48/0x280
[  416.752767]  run_timer_softirq+0x52/0xb0
[  416.756821]  ? rcu_read_lock_sched_held+0x14f/0x180
[  416.761832]  __do_softirq+0x308/0xb7e
[  416.765629]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  416.770118]  ? lock_downgrade+0x900/0x900
[  416.774264]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  416.779367]  ? pvclock_read_flags+0x160/0x160
[  416.783858]  ? lapic_next_event+0x5a/0x90
[  416.788015]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.793553]  ? kvm_clock_read+0x18/0x30
[  416.797522]  ? kvm_sched_clock_read+0x9/0x20
[  416.801935]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.807471]  ? check_preemption_disabled+0x48/0x280
[  416.812489]  irq_exit+0x17f/0x1c0
[  416.815947]  smp_apic_timer_interrupt+0x1cb/0x760
[  416.820783]  ? smp_reschedule_interrupt+0x109/0x650
[  416.825797]  ? smp_call_function_single_interrupt+0x650/0x650
[  416.831681]  ? interrupt_entry+0xb5/0xc0
[  416.835737]  ? trace_hardirqs_off_caller+0xbb/0x310
[  416.840745]  ? trace_hardirqs_off_caller+0xbb/0x310
[  416.845756]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  416.850598]  ? trace_hardirqs_on_caller+0x310/0x310
[  416.855614]  ? trace_hardirqs_on_caller+0x310/0x310
[  416.860622]  ? task_prio+0x50/0x50
[  416.864157]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.869687]  ? check_preemption_disabled+0x48/0x280
[  416.874703]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  416.879550]  apic_timer_interrupt+0xf/0x20
[  416.883774]  </IRQ>
[  416.886010] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  416.890948] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  416.909839] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  416.917539] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  416.924800] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  416.932157] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  416.939416] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  416.946676] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  416.953988]  skb_clone+0x1bb/0x500
[  416.957525]  ? finish_task_switch+0x2f4/0x910
[  416.962020]  ? skb_split+0x11e0/0x11e0
[  416.965911]  ? preempt_notifier_register+0x200/0x200
[  416.971013]  ? __switch_to_asm+0x34/0x70
[  416.975070]  ? __switch_to_asm+0x34/0x70
[  416.979129]  ? __switch_to_asm+0x40/0x70
[  416.983183]  ? __switch_to_asm+0x34/0x70
[  416.987234]  ? __switch_to_asm+0x40/0x70
[  416.991302]  ? __switch_to_asm+0x34/0x70
[  416.995360]  ? __switch_to_asm+0x40/0x70
[  416.999411]  ? __switch_to_asm+0x34/0x70
[  417.003467]  ? __switch_to_asm+0x34/0x70
[  417.007522]  ? __switch_to_asm+0x40/0x70
[  417.011582]  ? __switch_to_asm+0x34/0x70
[  417.015645]  bpf_clone_redirect+0xb9/0x490
[  417.019874]  ? __schedule+0x8d7/0x21d0
[  417.023857]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  417.028784]  ? __sched_text_start+0x8/0x8
[  417.032937]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  417.037511]  ? retint_kernel+0x2d/0x2d
[  417.041396]  ? trace_hardirqs_on_caller+0xc0/0x310
[  417.046325]  ? find_held_lock+0x36/0x1c0
[  417.050391]  ? lock_acquire+0x1ed/0x520
[  417.054359]  ? bpf_test_run+0x3cb/0x780
[  417.058327]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.063858]  ? check_preemption_disabled+0x48/0x280
[  417.068878]  ? kasan_check_read+0x11/0x20
[  417.073033]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  417.078303]  ? rcu_softirq_qs+0x20/0x20
[  417.082272]  ? preempt_schedule+0x4d/0x60
[  417.086419]  ? ___preempt_schedule+0x16/0x18
[  417.090830]  ? bpf_test_run+0x25d/0x780
[  417.094810]  ? netlink_diag_dump+0x2a0/0x2a0
[  417.099228]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  417.104770]  ? bpf_test_init.isra.10+0x70/0x100
[  417.109439]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  417.114198]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  417.119058]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  417.124588]  ? fput+0x130/0x1a0
[  417.127864]  ? __bpf_prog_get+0x9b/0x290
[  417.131935]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  417.136770]  ? bpf_prog_test_run+0x130/0x1a0
[  417.141192]  ? __x64_sys_bpf+0x3d8/0x520
[  417.145248]  ? bpf_prog_get+0x20/0x20
[  417.149059]  ? do_syscall_64+0x1b9/0x820
[  417.153116]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  417.158475]  ? syscall_return_slowpath+0x5e0/0x5e0
[  417.163404]  ? trace_hardirqs_on_caller+0x310/0x310
[  417.168415]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  417.173427]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  417.180087]  ? __switch_to_asm+0x40/0x70
[  417.184140]  ? __switch_to_asm+0x34/0x70
[  417.188200]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  417.193043]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  417.198419] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  417.198477] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  417.205262] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  417.205267] Call Trace:
[  417.205284]  dump_stack+0x244/0x39d
[  417.205306]  ? dump_stack_print_info.cold.1+0x20/0x20
[  417.211846] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  417.221126]  warn_alloc.cold.116+0xb7/0x1bd
[  417.223677] syz-executor4 cpuset=syz4 mems_allowed=0
[  417.227292]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  417.257136]  ? lock_downgrade+0x900/0x900
[  417.261287]  ? trace_hardirqs_off+0xb8/0x310
[  417.265698]  ? trace_hardirqs_off+0xb8/0x310
[  417.270118]  __alloc_pages_slowpath+0x26e8/0x2e10
[  417.274982]  ? warn_alloc+0x120/0x120
[  417.278787]  ? warn_alloc+0x120/0x120
[  417.282585]  ? __bfs+0xb0/0x780
[  417.285859]  ? warn_alloc+0x120/0x120
[  417.289682]  ? print_usage_bug+0xc0/0xc0
[  417.293738]  ? lockdep_on+0x50/0x50
[  417.297363]  ? print_usage_bug+0xc0/0xc0
[  417.301430]  ? check_usage+0x1aa/0x790
[  417.305311]  ? trace_hardirqs_off+0xb8/0x310
[  417.309721]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  417.315253]  ? should_fail+0x22d/0xd01
[  417.319165]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  417.324269]  ? __lock_acquire+0x62f/0x4c20
[  417.328514]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  417.333614]  ? __lock_acquire+0x62f/0x4c20
[  417.337840]  ? should_fail+0x22d/0xd01
[  417.341738]  ? mark_held_locks+0x130/0x130
[  417.345972]  ? mark_held_locks+0x130/0x130
[  417.350219]  ? zap_class+0x640/0x640
[  417.353926]  ? ret_from_fork+0x3a/0x50
[  417.357814]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.363349]  ? check_preemption_disabled+0x48/0x280
[  417.368369]  ? __lock_is_held+0xb5/0x140
[  417.372433]  __alloc_pages_nodemask+0xa80/0xde0
[  417.377095]  ? zap_class+0x640/0x640
[  417.380812]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  417.385836]  ? find_held_lock+0x36/0x1c0
[  417.389913]  ? ____cache_alloc_node+0x1c7/0x1e0
[  417.394581]  ? lock_downgrade+0x900/0x900
[  417.398730]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.404270]  cache_grow_begin+0xa5/0x8c0
[  417.408327]  ? do_raw_spin_unlock+0xa7/0x330
[  417.412735]  fallback_alloc+0x204/0x2e0
[  417.416713]  ____cache_alloc_node+0x1c7/0x1e0
[  417.421210]  kmem_cache_alloc_node+0xe3/0x730
[  417.425699]  ? mark_held_locks+0xc7/0x130
[  417.429853]  __alloc_skb+0x119/0x770
[  417.433578]  ? netdev_alloc_frag+0x1f0/0x1f0
[  417.437982]  ? do_raw_spin_trylock+0x270/0x270
[  417.442567]  ? kmem_cache_alloc_trace+0x353/0x750
[  417.447408]  ? queue_work_on+0x12c/0x1e0
[  417.451474]  ? switchdev_port_obj_del+0xdc/0x440
[  417.456230]  ? switchdev_trans_item_enqueue+0x260/0x260
[  417.461623]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  417.466840]  __br_mdb_notify+0x4ff/0x15d0
[  417.471008]  ? __br_mdb_add+0x7f0/0x7f0
[  417.474987]  ? zap_class+0x640/0x640
[  417.478706]  ? br_multicast_group_expired+0x96/0x610
[  417.483803]  ? lock_downgrade+0x900/0x900
[  417.487953]  br_mdb_notify+0x310/0x410
[  417.491835]  ? br_mdb_dump+0x27b0/0x27b0
[  417.495900]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.501441]  br_multicast_group_expired+0x1bc/0x610
[  417.506458]  ? br_mdb_free+0x80/0x80
[  417.510177]  call_timer_fn+0x272/0x920
[  417.514064]  ? br_mdb_free+0x80/0x80
[  417.517773]  ? process_timeout+0x40/0x40
[  417.521839]  ? __run_timers+0x7da/0xc70
[  417.525815]  ? _raw_spin_unlock_irq+0x27/0x80
[  417.530309]  ? _raw_spin_unlock_irq+0x27/0x80
[  417.534797]  ? br_mdb_free+0x80/0x80
[  417.538506]  ? lockdep_hardirqs_on+0x296/0x5b0
[  417.543084]  ? trace_hardirqs_on+0xbd/0x310
[  417.547402]  ? kasan_check_read+0x11/0x20
[  417.551541]  ? __run_timers+0x7da/0xc70
[  417.555509]  ? trace_hardirqs_off_caller+0x310/0x310
[  417.560611]  ? br_mdb_free+0x80/0x80
[  417.564324]  ? br_mdb_free+0x80/0x80
[  417.568030]  __run_timers+0x7e5/0xc70
[  417.571833]  ? timer_fixup_init+0x70/0x70
[  417.575979]  ? _raw_spin_unlock_irq+0x27/0x80
[  417.580470]  ? _raw_spin_unlock_irq+0x27/0x80
[  417.584960]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  417.589544]  ? trace_hardirqs_on+0xbd/0x310
[  417.593866]  ? kasan_check_read+0x11/0x20
[  417.598013]  ? finish_task_switch+0x1f4/0x910
[  417.602512]  ? trace_hardirqs_off_caller+0x310/0x310
[  417.607610]  ? compat_start_thread+0x80/0x80
[  417.612035]  ? pvclock_read_flags+0x160/0x160
[  417.616526]  ? __switch_to_asm+0x34/0x70
[  417.620583]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.626219]  ? check_preemption_disabled+0x48/0x280
[  417.631338]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  417.636877]  ? rcu_pm_notify+0xc0/0xc0
[  417.640823]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.646365]  ? check_preemption_disabled+0x48/0x280
[  417.651384]  run_timer_softirq+0x52/0xb0
[  417.655439]  ? rcu_read_lock_sched_held+0x14f/0x180
[  417.660456]  __do_softirq+0x308/0xb7e
[  417.664265]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  417.669371]  ? trace_hardirqs_off+0xb8/0x310
[  417.673775]  ? rcu_irq_enter+0x18c/0x310
[  417.677836]  ? schedule+0x108/0x460
[  417.681469]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  417.686227]  ? trace_hardirqs_off+0xb8/0x310
[  417.690631]  ? smpboot_thread_fn+0x68b/0xa00
[  417.695038]  ? trace_hardirqs_on+0x310/0x310
[  417.699469]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  417.705007]  ? check_preemption_disabled+0x48/0x280
[  417.710021]  ? takeover_tasklets+0xa90/0xa90
[  417.714428]  run_ksoftirqd+0x5e/0x100
[  417.718227]  smpboot_thread_fn+0x68b/0xa00
[  417.722459]  ? sort_range+0x30/0x30
[  417.726083]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  417.731182]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  417.736715]  ? __kthread_parkme+0xfb/0x1a0
[  417.740949]  ? sort_range+0x30/0x30
[  417.744570]  kthread+0x35a/0x440
[  417.747936]  ? kthread_stop+0x900/0x900
[  417.752016]  ret_from_fork+0x3a/0x50
[  417.755737] warn_alloc_show_mem: 1 callbacks suppressed
[  417.755747] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  417.755748] Mem-Info:
[  417.755777] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  417.755777]  active_file:16 inactive_file:14 isolated_file:0
[  417.755777]  unevictable:0 dirty:0 writeback:0 unstable:0
[  417.755777]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  417.755777]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  417.755777]  free:13767 free_pcp:490 free_cma:0
[  417.761111] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  417.761118] Call Trace:
[  417.768394] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  417.770781]  <IRQ>
[  417.803898] 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
[  417.813247]  dump_stack+0x244/0x39d
[  417.815798] lowmem_reserve[]: 0 2818 6321 6321
[  417.843471]  ? dump_stack_print_info.cold.1+0x20/0x20
[  417.845592] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  417.871701]  warn_alloc.cold.116+0xb7/0x1bd
[  417.875293] lowmem_reserve[]: 0 0 3503 3503
[  417.879866]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  417.885033] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  417.912523]  ? lock_downgrade+0x900/0x900
[  417.916816] lowmem_reserve[]: 0 0 0 0
[  417.921154]  ? trace_hardirqs_off+0xb8/0x310
[  417.925965] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  417.955108]  ? trace_hardirqs_off+0xb8/0x310
[  417.959218] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  417.963024]  __alloc_pages_slowpath+0x26e8/0x2e10
[  417.967398] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  417.981409]  ? warn_alloc+0x120/0x120
[  417.985774] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  418.001102]  ? print_usage_bug+0xc0/0xc0
[  418.005917] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  418.020984]  ? warn_alloc+0x120/0x120
[  418.024755] 1997 total pagecache pages
[  418.033579]  ? warn_alloc+0x120/0x120
[  418.037631] 0 pages in swap cache
[  418.046624]  ? print_usage_bug+0xc0/0xc0
[  418.050395] Swap cache stats: add 0, delete 0, find 0/0
[  418.050403] Free swap  = 0kB
[  418.054279]  ? kvm_clock_read+0x18/0x30
[  418.058052] Total swap = 0kB
[  418.061494]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  418.065526] 1965979 pages RAM
[  418.070878]  ? print_usage_bug+0xc0/0xc0
[  418.073867] 0 pages HighMem/MovableOnly
[  418.077836]  ? __lock_acquire+0x62f/0x4c20
[  418.080827] 342853 pages reserved
[  418.085848]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  418.088922] 0 pages cma reserved
[  418.092971]  ? should_fail+0x22d/0xd01
[  418.097067] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  418.101691]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  418.105114] ksoftirqd/1 cpuset=/ mems_allowed=0
[  418.110640]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  418.143374]  ? __lock_acquire+0x62f/0x4c20
[  418.147613]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  418.152708]  ? __lock_acquire+0x62f/0x4c20
[  418.156945]  ? should_fail+0x22d/0xd01
[  418.160833]  ? rcu_irq_exit+0x1a2/0x390
[  418.164826]  ? mark_held_locks+0x130/0x130
[  418.169061]  ? mark_held_locks+0x130/0x130
[  418.173299]  ? mark_held_locks+0xc7/0x130
[  418.177444]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  418.182454]  ? zap_class+0x640/0x640
[  418.186162]  ? print_usage_bug+0xc0/0xc0
[  418.190221]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.195751]  ? check_preemption_disabled+0x48/0x280
[  418.200778]  ? __lock_is_held+0xb5/0x140
[  418.204852]  __alloc_pages_nodemask+0xa80/0xde0
[  418.209515]  ? zap_class+0x640/0x640
[  418.213229]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  418.218248]  ? find_held_lock+0x36/0x1c0
[  418.222316]  ? ____cache_alloc_node+0x1c7/0x1e0
[  418.226981]  ? lock_downgrade+0x900/0x900
[  418.231129]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.236669]  cache_grow_begin+0xa5/0x8c0
[  418.240726]  ? do_raw_spin_unlock+0xa7/0x330
[  418.245141]  fallback_alloc+0x204/0x2e0
[  418.249119]  ____cache_alloc_node+0x1c7/0x1e0
[  418.253615]  kmem_cache_alloc_node+0xe3/0x730
[  418.258103]  ? ipv6_get_ifaddr+0x42e/0x620
[  418.262343]  __alloc_skb+0x119/0x770
[  418.266050]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  418.271325]  ? netdev_alloc_frag+0x1f0/0x1f0
[  418.275728]  ? lock_downgrade+0x900/0x900
[  418.279879]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.285410]  ? refcount_sub_and_test_checked+0x203/0x310
[  418.290858]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  418.296318]  ? addrconf_rs_timer+0x690/0x690
[  418.300748]  ndisc_alloc_skb+0x144/0x340
[  418.304823]  ndisc_send_rs+0x331/0x6e0
[  418.308714]  addrconf_rs_timer+0x314/0x690
[  418.312949]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.317192]  call_timer_fn+0x272/0x920
[  418.321076]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.325310]  ? process_timeout+0x40/0x40
[  418.329372]  ? __run_timers+0x7da/0xc70
[  418.333342]  ? _raw_spin_unlock_irq+0x27/0x80
[  418.337835]  ? _raw_spin_unlock_irq+0x27/0x80
[  418.342326]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.346557]  ? lockdep_hardirqs_on+0x296/0x5b0
[  418.351133]  ? trace_hardirqs_on+0xbd/0x310
[  418.355454]  ? kasan_check_read+0x11/0x20
[  418.359599]  ? __run_timers+0x7da/0xc70
[  418.363567]  ? trace_hardirqs_off_caller+0x310/0x310
[  418.368667]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.372904]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.377129]  __run_timers+0x7e5/0xc70
[  418.380933]  ? timer_fixup_init+0x70/0x70
[  418.385076]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  418.390089]  ? zap_class+0x640/0x640
[  418.393813]  ? enqueue_hrtimer+0x1a5/0x560
[  418.398045]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  418.403239]  ? find_held_lock+0x36/0x1c0
[  418.407300]  ? zap_class+0x640/0x640
[  418.411012]  ? pvclock_read_flags+0x160/0x160
[  418.415590]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.421240]  ? check_preemption_disabled+0x48/0x280
[  418.426263]  ? __lock_is_held+0xb5/0x140
[  418.430318]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.435862]  ? check_preemption_disabled+0x48/0x280
[  418.440877]  run_timer_softirq+0x52/0xb0
[  418.444933]  ? rcu_read_lock_sched_held+0x14f/0x180
[  418.449949]  __do_softirq+0x308/0xb7e
[  418.453745]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  418.458235]  ? lock_downgrade+0x900/0x900
[  418.462383]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  418.467485]  ? pvclock_read_flags+0x160/0x160
[  418.471978]  ? lapic_next_event+0x5a/0x90
[  418.476126]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.481665]  ? kvm_clock_read+0x18/0x30
[  418.485634]  ? kvm_sched_clock_read+0x9/0x20
[  418.490038]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.495572]  ? check_preemption_disabled+0x48/0x280
[  418.500597]  irq_exit+0x17f/0x1c0
[  418.504045]  smp_apic_timer_interrupt+0x1cb/0x760
[  418.508890]  ? smp_reschedule_interrupt+0x109/0x650
[  418.513905]  ? smp_call_function_single_interrupt+0x650/0x650
[  418.519789]  ? interrupt_entry+0xb5/0xc0
[  418.523854]  ? trace_hardirqs_off_caller+0xbb/0x310
[  418.528863]  ? trace_hardirqs_off_caller+0xbb/0x310
[  418.533883]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  418.538720]  ? trace_hardirqs_on_caller+0x310/0x310
[  418.543729]  ? trace_hardirqs_on_caller+0x310/0x310
[  418.548741]  ? task_prio+0x50/0x50
[  418.552279]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.557813]  ? check_preemption_disabled+0x48/0x280
[  418.562829]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  418.567675]  apic_timer_interrupt+0xf/0x20
[  418.571899]  </IRQ>
[  418.574150] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  418.579084] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  418.597980] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  418.605694] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  418.612954] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  418.620218] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  418.627477] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  418.634738] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  418.642040]  skb_clone+0x1bb/0x500
[  418.645580]  ? finish_task_switch+0x2f4/0x910
[  418.650069]  ? skb_split+0x11e0/0x11e0
[  418.653963]  ? preempt_notifier_register+0x200/0x200
[  418.659061]  ? __switch_to_asm+0x34/0x70
[  418.663113]  ? __switch_to_asm+0x34/0x70
[  418.667166]  ? __switch_to_asm+0x40/0x70
[  418.671216]  ? __switch_to_asm+0x34/0x70
[  418.675272]  ? __switch_to_asm+0x40/0x70
[  418.679322]  ? __switch_to_asm+0x34/0x70
[  418.683375]  ? __switch_to_asm+0x40/0x70
[  418.687432]  ? __switch_to_asm+0x34/0x70
[  418.691499]  ? __switch_to_asm+0x34/0x70
[  418.695551]  ? __switch_to_asm+0x40/0x70
[  418.699605]  ? __switch_to_asm+0x34/0x70
[  418.703664]  bpf_clone_redirect+0xb9/0x490
[  418.707895]  ? __schedule+0x8d7/0x21d0
[  418.711795]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  418.716739]  ? __sched_text_start+0x8/0x8
[  418.720894]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  418.725466]  ? retint_kernel+0x2d/0x2d
[  418.729352]  ? trace_hardirqs_on_caller+0xc0/0x310
[  418.734281]  ? find_held_lock+0x36/0x1c0
[  418.738346]  ? lock_acquire+0x1ed/0x520
[  418.742318]  ? bpf_test_run+0x3cb/0x780
[  418.746288]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.751820]  ? check_preemption_disabled+0x48/0x280
[  418.756837]  ? kasan_check_read+0x11/0x20
[  418.760978]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  418.766247]  ? rcu_softirq_qs+0x20/0x20
[  418.770217]  ? preempt_schedule+0x4d/0x60
[  418.774359]  ? ___preempt_schedule+0x16/0x18
[  418.778779]  ? bpf_test_run+0x25d/0x780
[  418.782791]  ? netlink_diag_dump+0x2a0/0x2a0
[  418.787200]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  418.792730]  ? bpf_test_init.isra.10+0x70/0x100
[  418.797409]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  418.802172]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  418.807008]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  418.812541]  ? fput+0x130/0x1a0
[  418.815817]  ? __bpf_prog_get+0x9b/0x290
[  418.819878]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  418.824712]  ? bpf_prog_test_run+0x130/0x1a0
[  418.829130]  ? __x64_sys_bpf+0x3d8/0x520
[  418.833189]  ? bpf_prog_get+0x20/0x20
[  418.837003]  ? do_syscall_64+0x1b9/0x820
[  418.841058]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  418.846423]  ? syscall_return_slowpath+0x5e0/0x5e0
[  418.851352]  ? trace_hardirqs_on_caller+0x310/0x310
[  418.856361]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  418.861375]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  418.868034]  ? __switch_to_asm+0x40/0x70
[  418.872086]  ? __switch_to_asm+0x34/0x70
[  418.876145]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  418.880987]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  418.886362] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  418.886424] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  418.893202] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  418.893207] Call Trace:
[  418.893225]  dump_stack+0x244/0x39d
[  418.893247]  ? dump_stack_print_info.cold.1+0x20/0x20
[  418.899873] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  418.909163]  warn_alloc.cold.116+0xb7/0x1bd
[  418.911719] syz-executor4 cpuset=syz4 mems_allowed=0
[  418.915335]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  418.945192]  ? lock_downgrade+0x900/0x900
[  418.949346]  ? trace_hardirqs_off+0xb8/0x310
[  418.953764]  ? trace_hardirqs_off+0xb8/0x310
[  418.958272]  __alloc_pages_slowpath+0x26e8/0x2e10
[  418.963139]  ? warn_alloc+0x120/0x120
[  418.966945]  ? warn_alloc+0x120/0x120
[  418.970762]  ? warn_alloc+0x120/0x120
[  418.974560]  ? print_usage_bug+0xc0/0xc0
[  418.978629]  ? print_usage_bug+0xc0/0xc0
[  418.982690]  ? check_preemption_disabled+0x48/0x280
[  418.987702]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  418.993235]  ? should_fail+0x22d/0xd01
[  418.997128]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  419.002229]  ? __lock_acquire+0x62f/0x4c20
[  419.006470]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  419.011570]  ? __lock_acquire+0x62f/0x4c20
[  419.015798]  ? should_fail+0x22d/0xd01
[  419.019688]  ? mark_held_locks+0x130/0x130
[  419.023922]  ? mark_held_locks+0x130/0x130
[  419.028159]  ? zap_class+0x640/0x640
[  419.031868]  ? print_usage_bug+0xc0/0xc0
[  419.035922]  ? mark_held_locks+0x130/0x130
[  419.040247]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.045784]  ? check_preemption_disabled+0x48/0x280
[  419.050809]  ? __lock_is_held+0xb5/0x140
[  419.054874]  __alloc_pages_nodemask+0xa80/0xde0
[  419.059538]  ? zap_class+0x640/0x640
[  419.063267]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  419.068296]  ? find_held_lock+0x36/0x1c0
[  419.072361]  ? ____cache_alloc_node+0x1c7/0x1e0
[  419.077032]  ? lock_downgrade+0x900/0x900
[  419.081186]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.086848]  cache_grow_begin+0xa5/0x8c0
[  419.090902]  ? do_raw_spin_unlock+0xa7/0x330
[  419.095316]  fallback_alloc+0x204/0x2e0
[  419.099290]  ____cache_alloc_node+0x1c7/0x1e0
[  419.103785]  kmem_cache_alloc_node+0xe3/0x730
[  419.108289]  ? ipv6_get_ifaddr+0x42e/0x620
[  419.112531]  __alloc_skb+0x119/0x770
[  419.116245]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  419.121531]  ? netdev_alloc_frag+0x1f0/0x1f0
[  419.125935]  ? lock_downgrade+0x900/0x900
[  419.130088]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.135620]  ? refcount_sub_and_test_checked+0x203/0x310
[  419.141068]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  419.146517]  ? addrconf_rs_timer+0x690/0x690
[  419.150933]  ndisc_alloc_skb+0x144/0x340
[  419.154999]  ndisc_send_rs+0x331/0x6e0
[  419.158889]  addrconf_rs_timer+0x314/0x690
[  419.163125]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  419.167365]  call_timer_fn+0x272/0x920
[  419.171254]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  419.175481]  ? process_timeout+0x40/0x40
[  419.179542]  ? __run_timers+0x7da/0xc70
[  419.183516]  ? _raw_spin_unlock_irq+0x27/0x80
[  419.188009]  ? _raw_spin_unlock_irq+0x27/0x80
[  419.192501]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  419.196740]  ? lockdep_hardirqs_on+0x296/0x5b0
[  419.201329]  ? trace_hardirqs_on+0xbd/0x310
[  419.205647]  ? kasan_check_read+0x11/0x20
[  419.209789]  ? __run_timers+0x7da/0xc70
[  419.213764]  ? trace_hardirqs_off_caller+0x310/0x310
[  419.218877]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  419.223103]  __run_timers+0x7e5/0xc70
[  419.226906]  ? timer_fixup_init+0x70/0x70
[  419.231051]  ? _raw_spin_unlock_irq+0x27/0x80
[  419.235536]  ? _raw_spin_unlock_irq+0x27/0x80
[  419.240031]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  419.244609]  ? trace_hardirqs_on+0xbd/0x310
[  419.248923]  ? kasan_check_read+0x11/0x20
[  419.253070]  ? finish_task_switch+0x1f4/0x910
[  419.257565]  ? trace_hardirqs_off_caller+0x310/0x310
[  419.262667]  ? compat_start_thread+0x80/0x80
[  419.267090]  ? pvclock_read_flags+0x160/0x160
[  419.271581]  ? __switch_to_asm+0x34/0x70
[  419.275640]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.281175]  ? check_preemption_disabled+0x48/0x280
[  419.286200]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  419.291737]  ? rcu_pm_notify+0xc0/0xc0
[  419.295619]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.301154]  ? check_preemption_disabled+0x48/0x280
[  419.306181]  run_timer_softirq+0x52/0xb0
[  419.310240]  ? rcu_read_lock_sched_held+0x14f/0x180
[  419.315259]  __do_softirq+0x308/0xb7e
[  419.319072]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  419.324172]  ? trace_hardirqs_off+0xb8/0x310
[  419.328572]  ? rcu_irq_enter+0x18c/0x310
[  419.332649]  ? schedule+0x108/0x460
[  419.336272]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  419.341033]  ? trace_hardirqs_off+0xb8/0x310
[  419.345443]  ? smpboot_thread_fn+0x68b/0xa00
[  419.349846]  ? trace_hardirqs_on+0x310/0x310
[  419.354253]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.359787]  ? check_preemption_disabled+0x48/0x280
[  419.364806]  ? takeover_tasklets+0xa90/0xa90
[  419.369215]  run_ksoftirqd+0x5e/0x100
[  419.373023]  smpboot_thread_fn+0x68b/0xa00
[  419.377266]  ? sort_range+0x30/0x30
[  419.380891]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  419.385990]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.391641]  ? __kthread_parkme+0xfb/0x1a0
[  419.395874]  ? sort_range+0x30/0x30
[  419.399495]  kthread+0x35a/0x440
[  419.402865]  ? kthread_stop+0x900/0x900
[  419.406835]  ret_from_fork+0x3a/0x50
[  419.410556] warn_alloc_show_mem: 1 callbacks suppressed
[  419.410565] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  419.410567] Mem-Info:
[  419.410596] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  419.410596]  active_file:16 inactive_file:14 isolated_file:0
[  419.410596]  unevictable:0 dirty:0 writeback:0 unstable:0
[  419.410596]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  419.410596]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  419.410596]  free:13767 free_pcp:490 free_cma:0
[  419.415933] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  419.415940] Call Trace:
[  419.423212] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  419.425600]  <IRQ>
[  419.458630] 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
[  419.467979]  dump_stack+0x244/0x39d
[  419.470534] lowmem_reserve[]: 0 2818 6321 6321
[  419.498197]  ? dump_stack_print_info.cold.1+0x20/0x20
[  419.500317] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  419.526424]  warn_alloc.cold.116+0xb7/0x1bd
[  419.530011] lowmem_reserve[]: 0 0 3503 3503
[  419.534602]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  419.539761] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  419.567246]  ? lock_downgrade+0x900/0x900
[  419.571537] lowmem_reserve[]: 0 0 0 0
[  419.575850]  ? trace_hardirqs_off+0xb8/0x310
[  419.580659] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  419.609801]  ? trace_hardirqs_off+0xb8/0x310
[  419.613919] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  419.617726]  __alloc_pages_slowpath+0x26e8/0x2e10
[  419.622100] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  419.635636]  ? warn_alloc+0x120/0x120
[  419.640000] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  419.655683]  ? print_usage_bug+0xc0/0xc0
[  419.660507] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  419.675576]  ? warn_alloc+0x120/0x120
[  419.679349] 1997 total pagecache pages
[  419.688173]  ? warn_alloc+0x120/0x120
[  419.692216] 0 pages in swap cache
[  419.700772]  ? print_usage_bug+0xc0/0xc0
[  419.704548] Swap cache stats: add 0, delete 0, find 0/0
[  419.708418]  ? kvm_clock_read+0x18/0x30
[  419.712191] Free swap  = 0kB
[  419.715633]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  419.719667] Total swap = 0kB
[  419.725022]  ? print_usage_bug+0xc0/0xc0
[  419.728966] 1965979 pages RAM
[  419.731970]  ? __lock_acquire+0x62f/0x4c20
[  419.736951] 0 pages HighMem/MovableOnly
[  419.736958] 342853 pages reserved
[  419.739965]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.744000] 0 pages cma reserved
[  419.747095]  ? should_fail+0x22d/0xd01
[  419.751366] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  419.755260]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  419.755277]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  419.758780] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  419.764243]  ? __lock_acquire+0x62f/0x4c20
[  419.767583] ksoftirqd/1 cpuset=/ mems_allowed=0
[  419.771549]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  419.812582]  ? __lock_acquire+0x62f/0x4c20
[  419.816809]  ? should_fail+0x22d/0xd01
[  419.820693]  ? rcu_irq_exit+0x1a2/0x390
[  419.824676]  ? mark_held_locks+0x130/0x130
[  419.828922]  ? mark_held_locks+0x130/0x130
[  419.833244]  ? mark_held_locks+0xc7/0x130
[  419.837385]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  419.842393]  ? zap_class+0x640/0x640
[  419.846101]  ? print_usage_bug+0xc0/0xc0
[  419.850165]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.855721]  ? check_preemption_disabled+0x48/0x280
[  419.860854]  ? __lock_is_held+0xb5/0x140
[  419.864927]  __alloc_pages_nodemask+0xa80/0xde0
[  419.869595]  ? zap_class+0x640/0x640
[  419.873309]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  419.878328]  ? find_held_lock+0x36/0x1c0
[  419.882405]  ? ____cache_alloc_node+0x1c7/0x1e0
[  419.887068]  ? lock_downgrade+0x900/0x900
[  419.891217]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.896754]  cache_grow_begin+0xa5/0x8c0
[  419.900808]  ? do_raw_spin_unlock+0xa7/0x330
[  419.905222]  fallback_alloc+0x204/0x2e0
[  419.909197]  ____cache_alloc_node+0x1c7/0x1e0
[  419.913718]  kmem_cache_alloc_node+0xe3/0x730
[  419.918226]  ? ipv6_get_ifaddr+0x42e/0x620
[  419.922468]  __alloc_skb+0x119/0x770
[  419.926178]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  419.931455]  ? netdev_alloc_frag+0x1f0/0x1f0
[  419.935856]  ? lock_downgrade+0x900/0x900
[  419.940010]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.945544]  ? refcount_sub_and_test_checked+0x203/0x310
[  419.950992]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  419.956434]  ? addrconf_rs_timer+0x690/0x690
[  419.960847]  ndisc_alloc_skb+0x144/0x340
[  419.964909]  ndisc_send_rs+0x331/0x6e0
[  419.968798]  addrconf_rs_timer+0x314/0x690
[  419.973500]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  419.977739]  call_timer_fn+0x272/0x920
[  419.981618]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  419.985852]  ? process_timeout+0x40/0x40
[  419.989918]  ? __run_timers+0x7da/0xc70
[  419.993905]  ? _raw_spin_unlock_irq+0x27/0x80
[  419.998397]  ? _raw_spin_unlock_irq+0x27/0x80
[  420.002887]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  420.007127]  ? lockdep_hardirqs_on+0x296/0x5b0
[  420.011709]  ? trace_hardirqs_on+0xbd/0x310
[  420.016024]  ? kasan_check_read+0x11/0x20
[  420.020170]  ? __run_timers+0x7da/0xc70
[  420.024145]  ? trace_hardirqs_off_caller+0x310/0x310
[  420.029769]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  420.034006]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  420.038240]  __run_timers+0x7e5/0xc70
[  420.042043]  ? timer_fixup_init+0x70/0x70
[  420.046188]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  420.051200]  ? zap_class+0x640/0x640
[  420.054912]  ? enqueue_hrtimer+0x1a5/0x560
[  420.059142]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  420.064330]  ? find_held_lock+0x36/0x1c0
[  420.068393]  ? zap_class+0x640/0x640
[  420.072116]  ? pvclock_read_flags+0x160/0x160
[  420.076611]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.082142]  ? check_preemption_disabled+0x48/0x280
[  420.087161]  ? __lock_is_held+0xb5/0x140
[  420.091220]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.096756]  ? check_preemption_disabled+0x48/0x280
[  420.101771]  run_timer_softirq+0x52/0xb0
[  420.105826]  ? rcu_read_lock_sched_held+0x14f/0x180
[  420.110841]  __do_softirq+0x308/0xb7e
[  420.114638]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  420.119140]  ? lock_downgrade+0x900/0x900
[  420.123284]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  420.128404]  ? pvclock_read_flags+0x160/0x160
[  420.132896]  ? lapic_next_event+0x5a/0x90
[  420.137040]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.142881]  ? kvm_clock_read+0x18/0x30
[  420.146850]  ? kvm_sched_clock_read+0x9/0x20
[  420.151258]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.156788]  ? check_preemption_disabled+0x48/0x280
[  420.161810]  irq_exit+0x17f/0x1c0
[  420.165259]  smp_apic_timer_interrupt+0x1cb/0x760
[  420.170108]  ? smp_reschedule_interrupt+0x109/0x650
[  420.175122]  ? smp_call_function_single_interrupt+0x650/0x650
[  420.181002]  ? interrupt_entry+0xb5/0xc0
[  420.185058]  ? trace_hardirqs_off_caller+0xbb/0x310
[  420.190065]  ? trace_hardirqs_off_caller+0xbb/0x310
[  420.195075]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  420.199911]  ? trace_hardirqs_on_caller+0x310/0x310
[  420.204922]  ? trace_hardirqs_on_caller+0x310/0x310
[  420.209939]  ? task_prio+0x50/0x50
[  420.213487]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.219020]  ? check_preemption_disabled+0x48/0x280
[  420.224034]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  420.228877]  apic_timer_interrupt+0xf/0x20
[  420.233098]  </IRQ>
[  420.235335] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  420.240260] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  420.259152] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  420.266867] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  420.274129] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  420.281393] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  420.288660] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  420.295934] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  420.303231]  skb_clone+0x1bb/0x500
[  420.306766]  ? finish_task_switch+0x2f4/0x910
[  420.311257]  ? skb_split+0x11e0/0x11e0
[  420.315141]  ? preempt_notifier_register+0x200/0x200
[  420.320235]  ? __switch_to_asm+0x34/0x70
[  420.324290]  ? __switch_to_asm+0x34/0x70
[  420.328352]  ? __switch_to_asm+0x40/0x70
[  420.332410]  ? __switch_to_asm+0x34/0x70
[  420.336462]  ? __switch_to_asm+0x40/0x70
[  420.340513]  ? __switch_to_asm+0x34/0x70
[  420.344562]  ? __switch_to_asm+0x40/0x70
[  420.348613]  ? __switch_to_asm+0x34/0x70
[  420.352681]  ? __switch_to_asm+0x34/0x70
[  420.356738]  ? __switch_to_asm+0x40/0x70
[  420.360794]  ? __switch_to_asm+0x34/0x70
[  420.364867]  bpf_clone_redirect+0xb9/0x490
[  420.369103]  ? __schedule+0x8d7/0x21d0
[  420.372989]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  420.377912]  ? __sched_text_start+0x8/0x8
[  420.382058]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  420.386631]  ? retint_kernel+0x2d/0x2d
[  420.390533]  ? trace_hardirqs_on_caller+0xc0/0x310
[  420.395460]  ? find_held_lock+0x36/0x1c0
[  420.399526]  ? lock_acquire+0x1ed/0x520
[  420.403493]  ? bpf_test_run+0x3cb/0x780
[  420.407463]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.412997]  ? check_preemption_disabled+0x48/0x280
[  420.418014]  ? kasan_check_read+0x11/0x20
[  420.422174]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  420.427444]  ? rcu_softirq_qs+0x20/0x20
[  420.431415]  ? preempt_schedule+0x4d/0x60
[  420.435557]  ? ___preempt_schedule+0x16/0x18
[  420.439965]  ? bpf_test_run+0x25d/0x780
[  420.443944]  ? netlink_diag_dump+0x2a0/0x2a0
[  420.448350]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  420.453885]  ? bpf_test_init.isra.10+0x70/0x100
[  420.458553]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  420.463312]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  420.468147]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  420.473694]  ? fput+0x130/0x1a0
[  420.476966]  ? __bpf_prog_get+0x9b/0x290
[  420.481028]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  420.485862]  ? bpf_prog_test_run+0x130/0x1a0
[  420.490272]  ? __x64_sys_bpf+0x3d8/0x520
[  420.494328]  ? bpf_prog_get+0x20/0x20
[  420.498149]  ? do_syscall_64+0x1b9/0x820
[  420.502206]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  420.507566]  ? syscall_return_slowpath+0x5e0/0x5e0
[  420.512489]  ? trace_hardirqs_on_caller+0x310/0x310
[  420.517505]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  420.522517]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  420.529176]  ? __switch_to_asm+0x40/0x70
[  420.533231]  ? __switch_to_asm+0x34/0x70
[  420.537293]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  420.542139]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  420.547514] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  420.547584] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  420.554353] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  420.554358] Call Trace:
[  420.554377]  dump_stack+0x244/0x39d
[  420.554396]  ? dump_stack_print_info.cold.1+0x20/0x20
[  420.560933] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  420.570214]  warn_alloc.cold.116+0xb7/0x1bd
[  420.572772] syz-executor4 cpuset=syz4 mems_allowed=0
[  420.576385]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  420.606254]  ? lock_downgrade+0x900/0x900
[  420.610406]  ? trace_hardirqs_off+0xb8/0x310
[  420.614814]  ? trace_hardirqs_off+0xb8/0x310
[  420.619224]  __alloc_pages_slowpath+0x26e8/0x2e10
[  420.624088]  ? warn_alloc+0x120/0x120
[  420.627887]  ? print_usage_bug+0xc0/0xc0
[  420.631948]  ? warn_alloc+0x120/0x120
[  420.635749]  ? warn_alloc+0x120/0x120
[  420.639562]  ? print_usage_bug+0xc0/0xc0
[  420.643630]  ? print_usage_bug+0xc0/0xc0
[  420.647686]  ? __lock_acquire+0x62f/0x4c20
[  420.651924]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  420.657457]  ? should_fail+0x22d/0xd01
[  420.661344]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  420.666445]  ? __lock_acquire+0x62f/0x4c20
[  420.670678]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  420.675773]  ? __lock_acquire+0x62f/0x4c20
[  420.680003]  ? should_fail+0x22d/0xd01
[  420.683883]  ? find_held_lock+0x36/0x1c0
[  420.687944]  ? mark_held_locks+0x130/0x130
[  420.692178]  ? mark_held_locks+0x130/0x130
[  420.696406]  ? zap_class+0x640/0x640
[  420.700112]  ? zap_class+0x640/0x640
[  420.703826]  ? print_usage_bug+0xc0/0xc0
[  420.707881]  ? do_raw_spin_unlock+0xa7/0x330
[  420.712283]  ? zap_class+0x640/0x640
[  420.715991]  ? print_usage_bug+0xc0/0xc0
[  420.720043]  ? wq_watchdog_touch+0x9c/0xfe
[  420.724277]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.729811]  ? check_preemption_disabled+0x48/0x280
[  420.734831]  ? __lock_is_held+0xb5/0x140
[  420.738892]  __alloc_pages_nodemask+0xa80/0xde0
[  420.743553]  ? zap_class+0x640/0x640
[  420.747265]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  420.752286]  ? find_held_lock+0x36/0x1c0
[  420.756351]  ? ____cache_alloc_node+0x1c7/0x1e0
[  420.761027]  ? lock_downgrade+0x900/0x900
[  420.765178]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.770720]  cache_grow_begin+0xa5/0x8c0
[  420.774777]  ? do_raw_spin_unlock+0xa7/0x330
[  420.779189]  fallback_alloc+0x204/0x2e0
[  420.783167]  ____cache_alloc_node+0x1c7/0x1e0
[  420.787767]  kmem_cache_alloc_node+0xe3/0x730
[  420.792343]  ? ipv6_get_ifaddr+0x42e/0x620
[  420.796580]  __alloc_skb+0x119/0x770
[  420.800293]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  420.805569]  ? netdev_alloc_frag+0x1f0/0x1f0
[  420.809971]  ? lock_downgrade+0x900/0x900
[  420.814120]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.819657]  ? refcount_sub_and_test_checked+0x203/0x310
[  420.825111]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  420.830560]  ? addrconf_rs_timer+0x690/0x690
[  420.834975]  ndisc_alloc_skb+0x144/0x340
[  420.839034]  ndisc_send_rs+0x331/0x6e0
[  420.842926]  addrconf_rs_timer+0x314/0x690
[  420.847164]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  420.851407]  call_timer_fn+0x272/0x920
[  420.855296]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  420.859525]  ? process_timeout+0x40/0x40
[  420.863592]  ? __run_timers+0x7da/0xc70
[  420.867569]  ? _raw_spin_unlock_irq+0x27/0x80
[  420.872063]  ? _raw_spin_unlock_irq+0x27/0x80
[  420.876548]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  420.880795]  ? lockdep_hardirqs_on+0x296/0x5b0
[  420.885372]  ? trace_hardirqs_on+0xbd/0x310
[  420.889690]  ? kasan_check_read+0x11/0x20
[  420.893833]  ? __run_timers+0x7da/0xc70
[  420.897801]  ? trace_hardirqs_off_caller+0x310/0x310
[  420.902907]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  420.907146]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  420.911382]  __run_timers+0x7e5/0xc70
[  420.915186]  ? timer_fixup_init+0x70/0x70
[  420.919328]  ? _raw_spin_unlock_irq+0x27/0x80
[  420.923818]  ? _raw_spin_unlock_irq+0x27/0x80
[  420.928308]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  420.932885]  ? trace_hardirqs_on+0xbd/0x310
[  420.937202]  ? kasan_check_read+0x11/0x20
[  420.941348]  ? finish_task_switch+0x1f4/0x910
[  420.945842]  ? trace_hardirqs_off_caller+0x310/0x310
[  420.950945]  ? compat_start_thread+0x80/0x80
[  420.955368]  ? pvclock_read_flags+0x160/0x160
[  420.959857]  ? __switch_to_asm+0x34/0x70
[  420.964006]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.969538]  ? check_preemption_disabled+0x48/0x280
[  420.974556]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  420.980092]  ? rcu_pm_notify+0xc0/0xc0
[  420.983977]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.989507]  ? check_preemption_disabled+0x48/0x280
[  420.994521]  run_timer_softirq+0x52/0xb0
[  420.998576]  ? rcu_read_lock_sched_held+0x14f/0x180
[  421.003605]  __do_softirq+0x308/0xb7e
[  421.007414]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  421.012513]  ? trace_hardirqs_off+0xb8/0x310
[  421.016916]  ? rcu_irq_enter+0x18c/0x310
[  421.020976]  ? schedule+0x108/0x460
[  421.024605]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  421.029364]  ? trace_hardirqs_off+0xb8/0x310
[  421.033770]  ? smpboot_thread_fn+0x68b/0xa00
[  421.038179]  ? trace_hardirqs_on+0x310/0x310
[  421.042580]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  421.048129]  ? check_preemption_disabled+0x48/0x280
[  421.053145]  ? takeover_tasklets+0xa90/0xa90
[  421.057555]  run_ksoftirqd+0x5e/0x100
[  421.061360]  smpboot_thread_fn+0x68b/0xa00
[  421.065610]  ? sort_range+0x30/0x30
[  421.069232]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  421.074329]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  421.079860]  ? __kthread_parkme+0xfb/0x1a0
[  421.084092]  ? sort_range+0x30/0x30
[  421.087719]  kthread+0x35a/0x440
[  421.091083]  ? kthread_stop+0x900/0x900
[  421.095059]  ret_from_fork+0x3a/0x50
[  421.098782] warn_alloc_show_mem: 1 callbacks suppressed
[  421.098791] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  421.098792] Mem-Info:
[  421.098821] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  421.098821]  active_file:16 inactive_file:14 isolated_file:0
[  421.098821]  unevictable:0 dirty:0 writeback:0 unstable:0
[  421.098821]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  421.098821]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  421.098821]  free:13767 free_pcp:490 free_cma:0
[  421.104153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  421.104160] Call Trace:
[  421.111432] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  421.113821]  <IRQ>
[  421.146849] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  421.156198]  dump_stack+0x244/0x39d
[  421.158750] lowmem_reserve[]: 0 2818 6321 6321
[  421.186514]  ? dump_stack_print_info.cold.1+0x20/0x20
[  421.188635] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  421.214750]  warn_alloc.cold.116+0xb7/0x1bd
[  421.218337] lowmem_reserve[]: 0 0 3503 3503
[  421.222910]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  421.228073] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  421.255997]  ? lock_downgrade+0x900/0x900
[  421.260297] lowmem_reserve[]: 0 0 0 0
[  421.264632]  ? trace_hardirqs_off+0xb8/0x310
[  421.269444] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  421.298593]  ? trace_hardirqs_off+0xb8/0x310
[  421.302708] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  421.306505]  __alloc_pages_slowpath+0x26e8/0x2e10
[  421.310880] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  421.324415]  ? warn_alloc+0x120/0x120
[  421.328779] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  421.344454]  ? print_usage_bug+0xc0/0xc0
[  421.349271] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  421.364338]  ? warn_alloc+0x120/0x120
[  421.368124] 1997 total pagecache pages
[  421.376946]  ? warn_alloc+0x120/0x120
[  421.380981] 0 pages in swap cache
[  421.389642]  ? print_usage_bug+0xc0/0xc0
[  421.393426] Swap cache stats: add 0, delete 0, find 0/0
[  421.397300]  ? kvm_clock_read+0x18/0x30
[  421.401075] Free swap  = 0kB
[  421.404515]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  421.408547] Total swap = 0kB
[  421.413901]  ? print_usage_bug+0xc0/0xc0
[  421.417844] 1965979 pages RAM
[  421.420847]  ? __lock_acquire+0x62f/0x4c20
[  421.425828] 0 pages HighMem/MovableOnly
[  421.425835] 342853 pages reserved
[  421.428841]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  421.432873] 0 pages cma reserved
[  421.435963]  ? should_fail+0x22d/0xd01
[  421.440229] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  421.444126]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  421.444145]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  421.447902] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  421.453103]  ? __lock_acquire+0x62f/0x4c20
[  421.453122]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  421.456693] ksoftirqd/1 cpuset=/ mems_allowed=0
[  421.460570]  ? __lock_acquire+0x62f/0x4c20
[  421.460588]  ? should_fail+0x22d/0xd01
[  421.509826]  ? rcu_irq_exit+0x1a2/0x390
[  421.513804]  ? mark_held_locks+0x130/0x130
[  421.518039]  ? mark_held_locks+0x130/0x130
[  421.522272]  ? mark_held_locks+0xc7/0x130
[  421.526416]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  421.531424]  ? zap_class+0x640/0x640
[  421.535130]  ? print_usage_bug+0xc0/0xc0
[  421.539189]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.544725]  ? check_preemption_disabled+0x48/0x280
[  421.549744]  ? __lock_is_held+0xb5/0x140
[  421.553804]  __alloc_pages_nodemask+0xa80/0xde0
[  421.558467]  ? zap_class+0x640/0x640
[  421.562179]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  421.567198]  ? find_held_lock+0x36/0x1c0
[  421.571265]  ? ____cache_alloc_node+0x1c7/0x1e0
[  421.575928]  ? lock_downgrade+0x900/0x900
[  421.580081]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.585616]  cache_grow_begin+0xa5/0x8c0
[  421.589671]  ? do_raw_spin_unlock+0xa7/0x330
[  421.594080]  fallback_alloc+0x204/0x2e0
[  421.598161]  ____cache_alloc_node+0x1c7/0x1e0
[  421.602661]  kmem_cache_alloc_node+0xe3/0x730
[  421.607149]  ? ipv6_get_ifaddr+0x42e/0x620
[  421.611387]  __alloc_skb+0x119/0x770
[  421.615100]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  421.620373]  ? netdev_alloc_frag+0x1f0/0x1f0
[  421.624775]  ? lock_downgrade+0x900/0x900
[  421.628923]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.634455]  ? refcount_sub_and_test_checked+0x203/0x310
[  421.639901]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  421.645344]  ? addrconf_rs_timer+0x690/0x690
[  421.649770]  ndisc_alloc_skb+0x144/0x340
[  421.653831]  ndisc_send_rs+0x331/0x6e0
[  421.657719]  addrconf_rs_timer+0x314/0x690
[  421.661955]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  421.666208]  call_timer_fn+0x272/0x920
[  421.670095]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  421.674321]  ? process_timeout+0x40/0x40
[  421.678385]  ? __run_timers+0x7da/0xc70
[  421.682359]  ? _raw_spin_unlock_irq+0x27/0x80
[  421.686844]  ? _raw_spin_unlock_irq+0x27/0x80
[  421.691332]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  421.695572]  ? lockdep_hardirqs_on+0x296/0x5b0
[  421.700155]  ? trace_hardirqs_on+0xbd/0x310
[  421.704468]  ? kasan_check_read+0x11/0x20
[  421.708612]  ? __run_timers+0x7da/0xc70
[  421.712587]  ? trace_hardirqs_off_caller+0x310/0x310
[  421.717690]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  421.721929]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  421.726154]  __run_timers+0x7e5/0xc70
[  421.729959]  ? timer_fixup_init+0x70/0x70
[  421.734104]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  421.739116]  ? zap_class+0x640/0x640
[  421.742831]  ? enqueue_hrtimer+0x1a5/0x560
[  421.747061]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  421.752250]  ? find_held_lock+0x36/0x1c0
[  421.756310]  ? zap_class+0x640/0x640
[  421.760037]  ? pvclock_read_flags+0x160/0x160
[  421.764528]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.770069]  ? check_preemption_disabled+0x48/0x280
[  421.775091]  ? __lock_is_held+0xb5/0x140
[  421.779150]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.784681]  ? check_preemption_disabled+0x48/0x280
[  421.789692]  run_timer_softirq+0x52/0xb0
[  421.793746]  ? rcu_read_lock_sched_held+0x14f/0x180
[  421.798757]  __do_softirq+0x308/0xb7e
[  421.802563]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  421.807051]  ? lock_downgrade+0x900/0x900
[  421.811197]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  421.816300]  ? pvclock_read_flags+0x160/0x160
[  421.820790]  ? lapic_next_event+0x5a/0x90
[  421.824932]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.830470]  ? kvm_clock_read+0x18/0x30
[  421.834442]  ? kvm_sched_clock_read+0x9/0x20
[  421.838856]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.844386]  ? check_preemption_disabled+0x48/0x280
[  421.849403]  irq_exit+0x17f/0x1c0
[  421.852849]  smp_apic_timer_interrupt+0x1cb/0x760
[  421.857686]  ? smp_reschedule_interrupt+0x109/0x650
[  421.862699]  ? smp_call_function_single_interrupt+0x650/0x650
[  421.868576]  ? interrupt_entry+0xb5/0xc0
[  421.872652]  ? trace_hardirqs_off_caller+0xbb/0x310
[  421.877665]  ? trace_hardirqs_off_caller+0xbb/0x310
[  421.882673]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  421.887509]  ? trace_hardirqs_on_caller+0x310/0x310
[  421.892536]  ? trace_hardirqs_on_caller+0x310/0x310
[  421.897561]  ? task_prio+0x50/0x50
[  421.901101]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.906637]  ? check_preemption_disabled+0x48/0x280
[  421.911654]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  421.916499]  apic_timer_interrupt+0xf/0x20
[  421.920732]  </IRQ>
[  421.922963] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  421.927906] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  421.946806] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  421.954504] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  421.961774] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  421.969035] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  421.976819] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  421.984082] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  421.991384]  skb_clone+0x1bb/0x500
[  421.994922]  ? finish_task_switch+0x2f4/0x910
[  421.999415]  ? skb_split+0x11e0/0x11e0
[  422.003428]  ? preempt_notifier_register+0x200/0x200
[  422.008613]  ? __switch_to_asm+0x34/0x70
[  422.012669]  ? __switch_to_asm+0x34/0x70
[  422.016722]  ? __switch_to_asm+0x40/0x70
[  422.020777]  ? __switch_to_asm+0x34/0x70
[  422.024829]  ? __switch_to_asm+0x40/0x70
[  422.028880]  ? __switch_to_asm+0x34/0x70
[  422.032933]  ? __switch_to_asm+0x40/0x70
[  422.036993]  ? __switch_to_asm+0x34/0x70
[  422.041045]  ? __switch_to_asm+0x34/0x70
[  422.045097]  ? __switch_to_asm+0x40/0x70
[  422.049148]  ? __switch_to_asm+0x34/0x70
[  422.053208]  bpf_clone_redirect+0xb9/0x490
[  422.057438]  ? __schedule+0x8d7/0x21d0
[  422.061327]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  422.066252]  ? __sched_text_start+0x8/0x8
[  422.070414]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  422.074995]  ? retint_kernel+0x2d/0x2d
[  422.078877]  ? trace_hardirqs_on_caller+0xc0/0x310
[  422.083803]  ? find_held_lock+0x36/0x1c0
[  422.087865]  ? lock_acquire+0x1ed/0x520
[  422.091833]  ? bpf_test_run+0x3cb/0x780
[  422.095801]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.101768]  ? check_preemption_disabled+0x48/0x280
[  422.106783]  ? kasan_check_read+0x11/0x20
[  422.110925]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  422.116196]  ? rcu_softirq_qs+0x20/0x20
[  422.120168]  ? preempt_schedule+0x4d/0x60
[  422.124311]  ? ___preempt_schedule+0x16/0x18
[  422.128721]  ? bpf_test_run+0x25d/0x780
[  422.132701]  ? netlink_diag_dump+0x2a0/0x2a0
[  422.137109]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  422.143009]  ? bpf_test_init.isra.10+0x70/0x100
[  422.147684]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  422.152448]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  422.157299]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  422.162828]  ? fput+0x130/0x1a0
[  422.166103]  ? __bpf_prog_get+0x9b/0x290
[  422.170161]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  422.174995]  ? bpf_prog_test_run+0x130/0x1a0
[  422.179406]  ? __x64_sys_bpf+0x3d8/0x520
[  422.183460]  ? bpf_prog_get+0x20/0x20
[  422.187272]  ? do_syscall_64+0x1b9/0x820
[  422.191326]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  422.196694]  ? syscall_return_slowpath+0x5e0/0x5e0
[  422.201623]  ? trace_hardirqs_on_caller+0x310/0x310
[  422.206651]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  422.211666]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  422.218323]  ? __switch_to_asm+0x40/0x70
[  422.222378]  ? __switch_to_asm+0x34/0x70
[  422.226454]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  422.231295]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  422.236670] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  422.236701] rcu: INFO: rcu_preempt self-detected stall on CPU
[  422.243514] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  422.243522] Call Trace:
[  422.249647] rcu: 	0-...!: (1 GPs behind) idle=e1a/1/0x4000000000000004 softirq=29684/29685 fqs=1 
[  422.258736]  dump_stack+0x244/0x39d
[  422.258754]  ? dump_stack_print_info.cold.1+0x20/0x20
[  422.258781]  warn_alloc.cold.116+0xb7/0x1bd
[  422.258797]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  422.258816]  ? lock_downgrade+0x900/0x900
[  422.258837]  ? trace_hardirqs_off+0xb8/0x310
[  422.258857]  ? trace_hardirqs_off+0xb8/0x310
[  422.261590] rcu: 	 (t=10553 jiffies g=39177 q=19)
[  422.270595]  __alloc_pages_slowpath+0x26e8/0x2e10
[  422.274199] rcu: rcu_preempt kthread starved for 10229 jiffies! g39177 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
[  422.279388]  ? warn_alloc+0x120/0x120
[  422.283654] rcu: RCU grace-period kthread stack dump:
[  422.283662] rcu_preempt     R  running task    22392    10      2 0x80000000
[  422.288506]  ? warn_alloc+0x120/0x120
[  422.292624] Call Trace:
[  422.297022]  ? __bfs+0xb0/0x780
[  422.301409]  __schedule+0x8cf/0x21d0
[  422.306234]  ? warn_alloc+0x120/0x120
[  422.311060]  ? __sched_text_start+0x8/0x8
[  422.321526]  ? print_usage_bug+0xc0/0xc0
[  422.325309]  ? add_timer_on+0xa20/0xa20
[  422.330467]  ? lockdep_on+0x50/0x50
[  422.330483]  ? print_bfs_bug+0x80/0x80
[  422.337653]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  422.341439]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  422.343995]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  422.347259]  ? should_fail+0x22d/0xd01
[  422.350951]  ? trace_hardirqs_on+0xbd/0x310
[  422.354738]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  422.358861]  ? kasan_check_read+0x11/0x20
[  422.362901]  ? __lock_acquire+0x62f/0x4c20
[  422.366856]  ? prepare_to_swait_event+0x25a/0x800
[  422.370465]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  422.374329]  ? trace_hardirqs_off_caller+0x310/0x310
[  422.379411]  ? __lock_acquire+0x2aff/0x4c20
[  422.384928]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  422.390021]  ? should_fail+0x22d/0xd01
[  422.393890]  schedule+0xfe/0x460
[  422.398204]  ? mark_held_locks+0x130/0x130
[  422.403281]  ? __schedule+0x21d0/0x21d0
[  422.407409]  ? mark_held_locks+0x130/0x130
[  422.411621]  ? prepare_to_swait_event+0x25a/0x800
[  422.416442]  ? zap_class+0x640/0x640
[  422.421539]  ? __init_swait_queue_head+0x150/0x150
[  422.426621]  ? zap_class+0x640/0x640
[  422.430923]  ? __lockdep_init_map+0x105/0x590
[  422.436019]  ? trace_event_raw_event_lock_acquire+0x440/0x440
[  422.439936]  ? lockdep_init_map+0x9/0x10
[  422.443289]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.447518]  schedule_timeout+0x140/0x260
[  422.451470]  ? check_preemption_disabled+0x48/0x280
[  422.455692]  ? usleep_range+0x1a0/0x1a0
[  422.460521]  ? __lock_is_held+0xb5/0x140
[  422.464208]  ? __next_timer_interrupt+0x1a0/0x1a0
[  422.469122]  __alloc_pages_nodemask+0xa80/0xde0
[  422.472831]  rcu_gp_fqs_loop+0x762/0xa80
[  422.477296]  ? zap_class+0x640/0x640
[  422.483165]  ? rcu_gp_fqs_check_wake+0x170/0x170
[  422.487202]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  422.492739]  ? trace_hardirqs_off_caller+0x310/0x310
[  422.496882]  ? find_held_lock+0x36/0x1c0
[  422.501874]  ? perf_trace_sched_process_exec+0x860/0x860
[  422.505840]  ? ____cache_alloc_node+0x1c7/0x1e0
[  422.509879]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.514698]  ? lock_downgrade+0x900/0x900
[  422.519355]  ? rcu_gp_init+0x90b/0x1260
[  422.523397]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.527103]  ? dump_blkd_tasks.isra.48+0xe0/0xe0
[  422.531842]  cache_grow_begin+0xa5/0x8c0
[  422.536835]  ? rcu_accelerate_cbs+0x562/0xae0
[  422.541917]  ? do_raw_spin_unlock+0xa7/0x330
[  422.545960]  ? zap_class+0x640/0x640
[  422.551396]  fallback_alloc+0x204/0x2e0
[  422.556045]  ? zap_class+0x640/0x640
[  422.561567]  ____cache_alloc_node+0x1c7/0x1e0
[  422.565703]  ? __lock_is_held+0xb5/0x140
[  422.569655]  kmem_cache_alloc_node+0xe3/0x730
[  422.575174]  ? __lock_is_held+0xb5/0x140
[  422.579905]  ? mark_held_locks+0xc7/0x130
[  422.583946]  ? zap_class+0x640/0x640
[  422.588430]  __alloc_skb+0x119/0x770
[  422.592815]  ? rcu_accelerate_cbs+0x562/0xae0
[  422.596508]  ? netdev_alloc_frag+0x1f0/0x1f0
[  422.600476]  ? find_held_lock+0x36/0x1c0
[  422.604161]  ? do_raw_spin_trylock+0x270/0x270
[  422.608641]  ? rcu_gp_kthread+0x8cf/0xc70
[  422.612677]  ? kmem_cache_alloc_trace+0x353/0x750
[  422.617152]  ? _raw_spin_unlock_irq+0x27/0x80
[  422.621196]  ? queue_work_on+0x12c/0x1e0
[  422.625345]  ? _raw_spin_unlock_irq+0x27/0x80
[  422.629043]  ? switchdev_port_obj_del+0xdc/0x440
[  422.632735]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  422.637210]  ? switchdev_trans_item_enqueue+0x260/0x260
[  422.641593]  ? trace_hardirqs_on+0xbd/0x310
[  422.645637]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  422.650195]  ? kasan_check_read+0x11/0x20
[  422.654326]  __br_mdb_notify+0x4ff/0x15d0
[  422.659146]  ? trace_hardirqs_off_caller+0x310/0x310
[  422.663619]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  422.667663]  ? perf_trace_sched_process_exec+0x860/0x860
[  422.672142]  ? __br_mdb_add+0x7f0/0x7f0
[  422.676891]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.681460]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  422.686814]  rcu_gp_kthread+0x341/0xc70
[  422.691115]  ? debug_object_assert_init+0x368/0x4b0
[  422.696114]  ? rcu_gp_init+0x1260/0x1260
[  422.700244]  ? debug_object_init_on_stack+0x20/0x20
[  422.704364]  ? mark_held_locks+0x130/0x130
[  422.704381]  ? __schedule+0x168a/0x21d0
[  422.709474]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.714556]  ? _raw_spin_unlock_irq+0x27/0x80
[  422.719999]  br_mdb_notify+0x310/0x410
[  422.723945]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  422.729465]  ? br_mdb_dump+0x27b0/0x27b0
[  422.734554]  ? trace_hardirqs_on+0xbd/0x310
[  422.738520]  br_multicast_del_pg+0x3df/0x790
[  422.743519]  ? kasan_check_read+0x11/0x20
[  422.747568]  ? br_mdb_ip_get+0x940/0x940
[  422.752561]  ? __schedule+0x168a/0x21d0
[  422.756776]  ? rwlock_bug.part.2+0x90/0x90
[  422.760730]  ? trace_hardirqs_off_caller+0x310/0x310
[  422.766245]  ? __lock_is_held+0xb5/0x140
[  422.770721]  ? lock_pin_lock+0x350/0x350
[  422.774595]  br_multicast_port_group_expired+0x189/0x1e0
[  422.779158]  ? _raw_spin_unlock_irq+0x60/0x80
[  422.783194]  call_timer_fn+0x272/0x920
[  422.787501]  ? __schedule+0x168a/0x21d0
[  422.791889]  ? br_multicast_del_pg+0x790/0x790
[  422.796012]  ? __switch_to_asm+0x40/0x70
[  422.800054]  ? process_timeout+0x40/0x40
[  422.804009]  ? __switch_to_asm+0x40/0x70
[  422.808231]  ? __run_timers+0x7da/0xc70
[  422.813314]  ? show_schedstat+0x721/0xf30
[  422.817350]  ? _raw_spin_unlock_irq+0x27/0x80
[  422.821399]  ? __sched_text_start+0x8/0x8
[  422.826833]  ? _raw_spin_unlock_irq+0x27/0x80
[  422.831315]  ? find_held_lock+0x36/0x1c0
[  422.835195]  ? br_multicast_del_pg+0x790/0x790
[  422.839164]  ? __kthread_parkme+0xce/0x1a0
[  422.843722]  ? lockdep_hardirqs_on+0x296/0x5b0
[  422.847762]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  422.851807]  ? trace_hardirqs_on+0xbd/0x310
[  422.855844]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  422.859804]  ? kasan_check_read+0x11/0x20
[  422.863936]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  422.868428]  ? __run_timers+0x7da/0xc70
[  422.872563]  ? trace_hardirqs_on+0xbd/0x310
[  422.877037]  ? trace_hardirqs_off_caller+0x310/0x310
[  422.881078]  ? kasan_check_read+0x11/0x20
[  422.885644]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  422.889854]  ? __kthread_parkme+0xce/0x1a0
[  422.894417]  ? br_multicast_del_pg+0x790/0x790
[  422.899496]  ? trace_hardirqs_off_caller+0x310/0x310
[  422.903796]  __run_timers+0x7e5/0xc70
[  422.908889]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  422.913016]  ? timer_fixup_init+0x70/0x70
[  422.917585]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  422.921541]  ? _raw_spin_unlock_irq+0x27/0x80
[  422.925841]  ? __kthread_parkme+0xfb/0x1a0
[  422.930919]  ? _raw_spin_unlock_irq+0x27/0x80
[  422.935055]  ? rcu_gp_init+0x1260/0x1260
[  422.939271]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  422.943488]  kthread+0x35a/0x440
[  422.948051]  ? trace_hardirqs_on+0xbd/0x310
[  422.953138]  ? kthread_stop+0x900/0x900
[  422.956910]  ? kasan_check_read+0x11/0x20
[  422.956927]  ? finish_task_switch+0x1f4/0x910
[  422.962008]  ret_from_fork+0x3a/0x50
[  422.966140]  ? trace_hardirqs_off_caller+0x310/0x310
[  422.972121] NMI backtrace for cpu 0
[  422.976588]  ? compat_start_thread+0x80/0x80
[  423.030886]  ? pvclock_read_flags+0x160/0x160
[  423.035374]  ? __switch_to_asm+0x34/0x70
[  423.039442]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.044977]  ? check_preemption_disabled+0x48/0x280
[  423.049998]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  423.055535]  ? rcu_pm_notify+0xc0/0xc0
[  423.059419]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.064960]  ? check_preemption_disabled+0x48/0x280
[  423.069981]  run_timer_softirq+0x52/0xb0
[  423.074038]  ? rcu_read_lock_sched_held+0x14f/0x180
[  423.079051]  __do_softirq+0x308/0xb7e
[  423.082856]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  423.087960]  ? trace_hardirqs_off+0xb8/0x310
[  423.092363]  ? rcu_irq_enter+0x18c/0x310
[  423.096422]  ? schedule+0x108/0x460
[  423.100055]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  423.104817]  ? trace_hardirqs_off+0xb8/0x310
[  423.109220]  ? smpboot_thread_fn+0x68b/0xa00
[  423.113624]  ? trace_hardirqs_on+0x310/0x310
[  423.118031]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  423.123568]  ? check_preemption_disabled+0x48/0x280
[  423.128578]  ? takeover_tasklets+0xa90/0xa90
[  423.132985]  run_ksoftirqd+0x5e/0x100
[  423.136869]  smpboot_thread_fn+0x68b/0xa00
[  423.141103]  ? sort_range+0x30/0x30
[  423.144727]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  423.149823]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  423.155360]  ? __kthread_parkme+0xfb/0x1a0
[  423.159592]  ? sort_range+0x30/0x30
[  423.163217]  kthread+0x35a/0x440
[  423.166580]  ? kthread_stop+0x900/0x900
[  423.170553]  ret_from_fork+0x3a/0x50
[  423.174281] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  423.174297] warn_alloc_show_mem: 1 callbacks suppressed
[  423.174301] Mem-Info:
[  423.181551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  423.186915] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  423.186915]  active_file:16 inactive_file:14 isolated_file:0
[  423.186915]  unevictable:0 dirty:0 writeback:0 unstable:0
[  423.186915]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  423.186915]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  423.186915]  free:13767 free_pcp:490 free_cma:0
[  423.189285] Call Trace:
[  423.198656] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  423.231668]  <IRQ>
[  423.234236] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  423.261896]  dump_stack+0x244/0x39d
[  423.264016] lowmem_reserve[]: 0 2818 6321 6321
[  423.290112]  ? dump_stack_print_info.cold.1+0x20/0x20
[  423.293717] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  423.298289]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.303450] lowmem_reserve[]: 0 0 3503 3503
[  423.330934]  ? do_raw_spin_lock+0x14f/0x350
[  423.336448] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  423.340761]  nmi_cpu_backtrace.cold.2+0x5c/0xa1
[  423.345057] lowmem_reserve[]: 0 0 0 0
[  423.374216]  ? lapic_can_unplug_cpu.cold.27+0x3f/0x3f
[  423.378854] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  423.382650]  nmi_trigger_cpumask_backtrace+0x1e8/0x22a
[  423.387811] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  423.401324]  arch_trigger_cpumask_backtrace+0x14/0x20
[  423.406566] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  423.421910]  rcu_dump_cpu_stacks+0x16f/0x1bc
[  423.427081] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  423.442152]  print_cpu_stall.cold.67+0x1f3/0x3c7
[  423.446536] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  423.455355]  ? print_other_cpu_stall+0x160/0x160
[  423.460095] 1997 total pagecache pages
[  423.468656]  ? print_usage_bug+0xc0/0xc0
[  423.473400] 0 pages in swap cache
[  423.477277]  ? kasan_check_read+0x11/0x20
[  423.481309] Swap cache stats: add 0, delete 0, find 0/0
[  423.484747]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.488873] Free swap  = 0kB
[  423.494225]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.499729] Total swap = 0kB
[  423.502733]  ? do_trace_rcu_torture_read+0x10/0x10
[  423.508241] 1965979 pages RAM
[  423.511251]  ? rcu_preempt_need_deferred_qs+0x74/0x1f0
[  423.516143] 0 pages HighMem/MovableOnly
[  423.516150] 342853 pages reserved
[  423.519245]  ? __lock_is_held+0xb5/0x140
[  423.524508] 0 pages cma reserved
[  423.528469]  ? __rcu_read_lock+0x50/0x50
[  423.532655] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  423.535950]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.539289] ksoftirqd/1 cpuset=/ mems_allowed=0
[  423.543343]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.569317]  ? check_preemption_disabled+0x48/0x280
[  423.574333]  rcu_check_callbacks+0xf3b/0x13f0
[  423.578831]  ? rcutree_dead_cpu+0x10/0x10
[  423.582988]  ? lock_downgrade+0x900/0x900
[  423.587135]  ? lock_release+0x930/0xa00
[  423.591115]  ? zap_class+0x640/0x640
[  423.594828]  ? zap_class+0x640/0x640
[  423.598550]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.604152]  ? pvclock_gtod_notify+0x2e3/0x3e0
[  423.608735]  ? kvm_set_tsc_khz+0x540/0x540
[  423.612963]  ? warn_alloc.cold.116+0xd1/0x1bd
[  423.617463]  ? find_held_lock+0x36/0x1c0
[  423.621529]  ? zap_class+0x640/0x640
[  423.625236]  ? timekeeping_advance+0x3cc/0xc00
[  423.629813]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.635349]  ? check_preemption_disabled+0x48/0x280
[  423.640369]  ? trace_hardirqs_off+0xb8/0x310
[  423.644778]  ? __lock_is_held+0xb5/0x140
[  423.648834]  ? trace_hardirqs_on+0x310/0x310
[  423.653239]  ? check_preemption_disabled+0x48/0x280
[  423.658262]  ? raise_softirq+0x199/0x420
[  423.662328]  ? raise_softirq_irqoff+0x2e0/0x2e0
[  423.666998]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.672532]  ? check_preemption_disabled+0x48/0x280
[  423.677546]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  423.683078]  ? hrtimer_run_queues+0x9a/0x400
[  423.687484]  ? run_local_timers+0x19b/0x230
[  423.691801]  ? timer_clear_idle+0x90/0x90
[  423.695946]  ? debug_smp_processor_id+0x1c/0x20
[  423.700617]  ? irqtime_account_process_tick.isra.6+0x114/0x490
[  423.706587]  ? account_process_tick+0x282/0x350
[  423.711259]  update_process_times+0x2d/0x70
[  423.715621]  tick_sched_handle+0x9f/0x180
[  423.719766]  tick_sched_timer+0x45/0x130
[  423.723824]  __hrtimer_run_queues+0x41c/0x10d0
[  423.728420]  ? tick_sched_do_timer+0x1a0/0x1a0
[  423.733003]  ? hrtimer_start_range_ns+0xe00/0xe00
[  423.737853]  ? pvclock_read_flags+0x160/0x160
[  423.742347]  ? trace_hardirqs_on+0x310/0x310
[  423.746759]  ? kvm_clock_read+0x18/0x30
[  423.750731]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  423.755742]  ? ktime_get_update_offsets_now+0x3b3/0x540
[  423.761105]  ? do_timer+0x50/0x50
[  423.764552]  ? rwlock_bug.part.2+0x90/0x90
[  423.768780]  ? trace_hardirqs_on+0x310/0x310
[  423.773182]  ? rcu_softirq_qs+0x20/0x20
[  423.777159]  hrtimer_interrupt+0x313/0x780
[  423.781419]  smp_apic_timer_interrupt+0x1a1/0x760
[  423.786259]  ? smp_call_function_single_interrupt+0x650/0x650
[  423.792136]  ? interrupt_entry+0xb5/0xc0
[  423.796192]  ? trace_hardirqs_off_caller+0xbb/0x310
[  423.801200]  ? ____cache_alloc_node+0x1c7/0x1e0
[  423.805863]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  423.810701]  ? trace_hardirqs_on_caller+0x310/0x310
[  423.815722]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  423.820570]  apic_timer_interrupt+0xf/0x20
[  423.824803] RIP: 0010:kmem_cache_alloc_node+0x247/0x730
[  423.830162] Code: 3f 7e 0f 85 32 ff ff ff e8 75 1d 3e ff e9 28 ff ff ff e8 ec 52 c3 ff 48 83 3d f4 9b 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 bf fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  423.849059] RSP: 0000:ffff8801dae07450 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  423.856761] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff100331dcdb9
[  423.864022] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286
[  423.871284] RBP: ffff8801dae074c0 R08: ffff880198ee6dc8 R09: 0000000000000002
[  423.878647] R10: 0000000000000000 R11: ffff880198ee6500 R12: ffff8801d9bee600
[  423.885908] R13: ffff8801d9bee600 R14: 0000000000000000 R15: 0000000000000286
[  423.893175]  ? apic_timer_interrupt+0xa/0x20
[  423.897598]  ? ipv6_get_ifaddr+0x42e/0x620
[  423.901838]  __alloc_skb+0x119/0x770
[  423.905543]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  423.910822]  ? netdev_alloc_frag+0x1f0/0x1f0
[  423.915227]  ? lock_downgrade+0x900/0x900
[  423.919390]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.924921]  ? refcount_sub_and_test_checked+0x203/0x310
[  423.930374]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  423.935822]  ? addrconf_rs_timer+0x690/0x690
[  423.940240]  ndisc_alloc_skb+0x144/0x340
[  423.944301]  ndisc_send_rs+0x331/0x6e0
[  423.948191]  addrconf_rs_timer+0x314/0x690
[  423.952425]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  423.956665]  call_timer_fn+0x272/0x920
[  423.960546]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  423.964778]  ? process_timeout+0x40/0x40
[  423.968838]  ? __run_timers+0x7da/0xc70
[  423.973277]  ? _raw_spin_unlock_irq+0x27/0x80
[  423.977767]  ? _raw_spin_unlock_irq+0x27/0x80
[  423.982259]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  423.986489]  ? lockdep_hardirqs_on+0x296/0x5b0
[  423.991067]  ? trace_hardirqs_on+0xbd/0x310
[  423.995488]  ? kasan_check_read+0x11/0x20
[  423.999632]  ? __run_timers+0x7da/0xc70
[  424.003606]  ? trace_hardirqs_off_caller+0x310/0x310
[  424.008729]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  424.012967]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  424.017193]  __run_timers+0x7e5/0xc70
[  424.020999]  ? timer_fixup_init+0x70/0x70
[  424.025142]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  424.030151]  ? zap_class+0x640/0x640
[  424.033860]  ? enqueue_hrtimer+0x1a5/0x560
[  424.038094]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  424.043284]  ? find_held_lock+0x36/0x1c0
[  424.047383]  ? zap_class+0x640/0x640
[  424.051098]  ? pvclock_read_flags+0x160/0x160
[  424.055589]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.061128]  ? check_preemption_disabled+0x48/0x280
[  424.066144]  ? __lock_is_held+0xb5/0x140
[  424.070205]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.075736]  ? check_preemption_disabled+0x48/0x280
[  424.080752]  run_timer_softirq+0x52/0xb0
[  424.084804]  ? rcu_read_lock_sched_held+0x14f/0x180
[  424.089811]  __do_softirq+0x308/0xb7e
[  424.093608]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  424.098111]  ? lock_downgrade+0x900/0x900
[  424.102276]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  424.107847]  ? pvclock_read_flags+0x160/0x160
[  424.112340]  ? lapic_next_event+0x5a/0x90
[  424.116579]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.122118]  ? kvm_clock_read+0x18/0x30
[  424.126090]  ? kvm_sched_clock_read+0x9/0x20
[  424.130493]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.136022]  ? check_preemption_disabled+0x48/0x280
[  424.141415]  irq_exit+0x17f/0x1c0
[  424.144866]  smp_apic_timer_interrupt+0x1cb/0x760
[  424.149703]  ? smp_reschedule_interrupt+0x109/0x650
[  424.154715]  ? smp_call_function_single_interrupt+0x650/0x650
[  424.160602]  ? interrupt_entry+0xb5/0xc0
[  424.164660]  ? trace_hardirqs_off_caller+0xbb/0x310
[  424.169669]  ? trace_hardirqs_off_caller+0xbb/0x310
[  424.174682]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  424.179520]  ? trace_hardirqs_on_caller+0x310/0x310
[  424.184531]  ? trace_hardirqs_on_caller+0x310/0x310
[  424.189545]  ? task_prio+0x50/0x50
[  424.193083]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.198618]  ? check_preemption_disabled+0x48/0x280
[  424.203633]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  424.208479]  apic_timer_interrupt+0xf/0x20
[  424.212702]  </IRQ>
[  424.214935] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  424.219862] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  424.238759] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  424.246460] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  424.253721] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  424.260985] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  424.268244] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  424.275505] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  424.282807]  skb_clone+0x1bb/0x500
[  424.286347]  ? finish_task_switch+0x2f4/0x910
[  424.290840]  ? skb_split+0x11e0/0x11e0
[  424.294723]  ? preempt_notifier_register+0x200/0x200
[  424.299823]  ? __switch_to_asm+0x34/0x70
[  424.303878]  ? __switch_to_asm+0x34/0x70
[  424.307945]  ? __switch_to_asm+0x40/0x70
[  424.311997]  ? __switch_to_asm+0x34/0x70
[  424.316054]  ? __switch_to_asm+0x40/0x70
[  424.320108]  ? __switch_to_asm+0x34/0x70
[  424.324163]  ? __switch_to_asm+0x40/0x70
[  424.328218]  ? __switch_to_asm+0x34/0x70
[  424.332271]  ? __switch_to_asm+0x34/0x70
[  424.336328]  ? __switch_to_asm+0x40/0x70
[  424.340395]  ? __switch_to_asm+0x34/0x70
[  424.344457]  bpf_clone_redirect+0xb9/0x490
[  424.348689]  ? __schedule+0x8d7/0x21d0
[  424.352578]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  424.357502]  ? __sched_text_start+0x8/0x8
[  424.361647]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  424.366227]  ? retint_kernel+0x2d/0x2d
[  424.370111]  ? trace_hardirqs_on_caller+0xc0/0x310
[  424.375038]  ? find_held_lock+0x36/0x1c0
[  424.379100]  ? lock_acquire+0x1ed/0x520
[  424.383068]  ? bpf_test_run+0x3cb/0x780
[  424.387037]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.392569]  ? check_preemption_disabled+0x48/0x280
[  424.397587]  ? kasan_check_read+0x11/0x20
[  424.401727]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  424.407013]  ? rcu_softirq_qs+0x20/0x20
[  424.410981]  ? preempt_schedule+0x4d/0x60
[  424.415121]  ? ___preempt_schedule+0x16/0x18
[  424.419532]  ? bpf_test_run+0x25d/0x780
[  424.423511]  ? netlink_diag_dump+0x2a0/0x2a0
[  424.427916]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  424.433447]  ? bpf_test_init.isra.10+0x70/0x100
[  424.438114]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  424.442873]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  424.447708]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  424.453243]  ? fput+0x130/0x1a0
[  424.456522]  ? __bpf_prog_get+0x9b/0x290
[  424.460579]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  424.465417]  ? bpf_prog_test_run+0x130/0x1a0
[  424.469828]  ? __x64_sys_bpf+0x3d8/0x520
[  424.473900]  ? bpf_prog_get+0x20/0x20
[  424.477715]  ? do_syscall_64+0x1b9/0x820
[  424.481770]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  424.487130]  ? syscall_return_slowpath+0x5e0/0x5e0
[  424.492058]  ? trace_hardirqs_on_caller+0x310/0x310
[  424.497068]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  424.502083]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  424.508741]  ? __switch_to_asm+0x40/0x70
[  424.512793]  ? __switch_to_asm+0x34/0x70
[  424.516855]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  424.521703]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  424.527078] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  424.527425] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  424.533923] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  424.533928] Call Trace:
[  424.533946]  dump_stack+0x244/0x39d
[  424.533964]  ? dump_stack_print_info.cold.1+0x20/0x20
[  424.540505] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  424.549792]  warn_alloc.cold.116+0xb7/0x1bd
[  424.552350] syz-executor4 cpuset=syz4 mems_allowed=0
[  424.555963]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  424.585932]  ? lock_downgrade+0x900/0x900
[  424.590083]  ? trace_hardirqs_off+0xb8/0x310
[  424.594491]  ? trace_hardirqs_off+0xb8/0x310
[  424.598912]  __alloc_pages_slowpath+0x26e8/0x2e10
[  424.603788]  ? warn_alloc+0x120/0x120
[  424.607588]  ? warn_alloc+0x120/0x120
[  424.611384]  ? __bfs+0xb0/0x780
[  424.614658]  ? warn_alloc+0x120/0x120
[  424.618464]  ? print_usage_bug+0xc0/0xc0
[  424.622525]  ? print_usage_bug+0xc0/0xc0
[  424.626584]  ? check_usage+0x1aa/0x790
[  424.630469]  ? check_usage+0x1aa/0x790
[  424.634358]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  424.639892]  ? should_fail+0x22d/0xd01
[  424.643788]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  424.648887]  ? __lock_acquire+0x62f/0x4c20
[  424.653122]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  424.658222]  ? __lock_acquire+0x62f/0x4c20
[  424.662455]  ? should_fail+0x22d/0xd01
[  424.666362]  ? mark_held_locks+0x130/0x130
[  424.670598]  ? mark_held_locks+0x130/0x130
[  424.674842]  ? zap_class+0x640/0x640
[  424.678552]  ? ret_from_fork+0x3a/0x50
[  424.682440]  ? __lock_acquire+0x2aff/0x4c20
[  424.686770]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.692302]  ? check_preemption_disabled+0x48/0x280
[  424.697334]  ? __lock_is_held+0xb5/0x140
[  424.701411]  __alloc_pages_nodemask+0xa80/0xde0
[  424.706074]  ? zap_class+0x640/0x640
[  424.709786]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  424.714806]  ? find_held_lock+0x36/0x1c0
[  424.718876]  ? ____cache_alloc_node+0x1c7/0x1e0
[  424.723542]  ? lock_downgrade+0x900/0x900
[  424.727694]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.733231]  cache_grow_begin+0xa5/0x8c0
[  424.737286]  ? do_raw_spin_unlock+0xa7/0x330
[  424.741705]  fallback_alloc+0x204/0x2e0
[  424.745679]  ____cache_alloc_node+0x1c7/0x1e0
[  424.750176]  kmem_cache_alloc_node+0xe3/0x730
[  424.754667]  ? mark_held_locks+0xc7/0x130
[  424.758817]  __alloc_skb+0x119/0x770
[  424.762536]  ? netdev_alloc_frag+0x1f0/0x1f0
[  424.766949]  ? do_raw_spin_trylock+0x270/0x270
[  424.771531]  ? kmem_cache_alloc_trace+0x353/0x750
[  424.776376]  ? queue_work_on+0x12c/0x1e0
[  424.780441]  ? switchdev_port_obj_del+0xdc/0x440
[  424.785192]  ? switchdev_trans_item_enqueue+0x260/0x260
[  424.790555]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  424.795570]  __br_mdb_notify+0x4ff/0x15d0
[  424.799711]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  424.804816]  ? __br_mdb_add+0x7f0/0x7f0
[  424.808791]  ? mark_held_locks+0x130/0x130
[  424.813028]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  424.818131]  ? debug_object_assert_init+0x368/0x4b0
[  424.823146]  ? debug_object_init_on_stack+0x20/0x20
[  424.828163]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.833699]  br_mdb_notify+0x310/0x410
[  424.837591]  ? br_mdb_dump+0x27b0/0x27b0
[  424.841661]  br_multicast_del_pg+0x3df/0x790
[  424.846070]  ? br_mdb_ip_get+0x940/0x940
[  424.850127]  ? rwlock_bug.part.2+0x90/0x90
[  424.854360]  ? __lock_is_held+0xb5/0x140
[  424.858424]  br_multicast_port_group_expired+0x189/0x1e0
[  424.863872]  call_timer_fn+0x272/0x920
[  424.867759]  ? br_multicast_del_pg+0x790/0x790
[  424.872339]  ? process_timeout+0x40/0x40
[  424.876402]  ? __run_timers+0x7da/0xc70
[  424.880370]  ? _raw_spin_unlock_irq+0x27/0x80
[  424.884862]  ? _raw_spin_unlock_irq+0x27/0x80
[  424.889352]  ? br_multicast_del_pg+0x790/0x790
[  424.893928]  ? lockdep_hardirqs_on+0x296/0x5b0
[  424.898505]  ? trace_hardirqs_on+0xbd/0x310
[  424.902824]  ? kasan_check_read+0x11/0x20
[  424.906969]  ? __run_timers+0x7da/0xc70
[  424.910937]  ? trace_hardirqs_off_caller+0x310/0x310
[  424.916040]  ? br_multicast_del_pg+0x790/0x790
[  424.920625]  ? br_multicast_del_pg+0x790/0x790
[  424.925197]  __run_timers+0x7e5/0xc70
[  424.929001]  ? timer_fixup_init+0x70/0x70
[  424.933146]  ? _raw_spin_unlock_irq+0x27/0x80
[  424.937656]  ? _raw_spin_unlock_irq+0x27/0x80
[  424.942150]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  424.946729]  ? trace_hardirqs_on+0xbd/0x310
[  424.951045]  ? kasan_check_read+0x11/0x20
[  424.955191]  ? finish_task_switch+0x1f4/0x910
[  424.959681]  ? trace_hardirqs_off_caller+0x310/0x310
[  424.964778]  ? compat_start_thread+0x80/0x80
[  424.969205]  ? pvclock_read_flags+0x160/0x160
[  424.973692]  ? __switch_to_asm+0x34/0x70
[  424.977748]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.983279]  ? check_preemption_disabled+0x48/0x280
[  424.988313]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  424.993846]  ? rcu_pm_notify+0xc0/0xc0
[  424.997730]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.003265]  ? check_preemption_disabled+0x48/0x280
[  425.008293]  run_timer_softirq+0x52/0xb0
[  425.012355]  ? rcu_read_lock_sched_held+0x14f/0x180
[  425.017366]  __do_softirq+0x308/0xb7e
[  425.021169]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  425.026265]  ? trace_hardirqs_off+0xb8/0x310
[  425.030673]  ? rcu_irq_enter+0x18c/0x310
[  425.034734]  ? schedule+0x108/0x460
[  425.038355]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  425.043114]  ? trace_hardirqs_off+0xb8/0x310
[  425.047516]  ? smpboot_thread_fn+0x68b/0xa00
[  425.051920]  ? trace_hardirqs_on+0x310/0x310
[  425.056328]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  425.062101]  ? check_preemption_disabled+0x48/0x280
[  425.067112]  ? takeover_tasklets+0xa90/0xa90
[  425.071514]  run_ksoftirqd+0x5e/0x100
[  425.075313]  smpboot_thread_fn+0x68b/0xa00
[  425.079560]  ? sort_range+0x30/0x30
[  425.083181]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  425.088287]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  425.093822]  ? __kthread_parkme+0xfb/0x1a0
[  425.098060]  ? sort_range+0x30/0x30
[  425.101683]  kthread+0x35a/0x440
[  425.105042]  ? kthread_stop+0x900/0x900
[  425.109011]  ret_from_fork+0x3a/0x50
[  425.112732] Mem-Info:
[  425.112742] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  425.112752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  425.115157] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  425.115157]  active_file:16 inactive_file:14 isolated_file:0
[  425.115157]  unevictable:0 dirty:0 writeback:0 unstable:0
[  425.115157]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  425.115157]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  425.115157]  free:13767 free_pcp:490 free_cma:0
[  425.122405] Call Trace:
[  425.131775] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  425.164788]  <IRQ>
[  425.167355] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  425.195016]  dump_stack+0x244/0x39d
[  425.197135] lowmem_reserve[]: 0 2818 6321 6321
[  425.223232]  ? dump_stack_print_info.cold.1+0x20/0x20
[  425.226837] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  425.231420]  warn_alloc.cold.116+0xb7/0x1bd
[  425.236575] lowmem_reserve[]: 0 0 3503 3503
[  425.264062]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  425.268357] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  425.272669]  ? lock_downgrade+0x900/0x900
[  425.277475] lowmem_reserve[]: 0 0 0 0
[  425.306618]  ? trace_hardirqs_off+0xb8/0x310
[  425.310735] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  425.314526]  ? trace_hardirqs_off+0xb8/0x310
[  425.318902] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  425.332418]  __alloc_pages_slowpath+0x26e8/0x2e10
[  425.336797] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  425.352156]  ? warn_alloc+0x120/0x120
[  425.356952] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  425.372018]  ? print_usage_bug+0xc0/0xc0
[  425.375799] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  425.384616]  ? warn_alloc+0x120/0x120
[  425.388651] 1997 total pagecache pages
[  425.397213]  ? warn_alloc+0x120/0x120
[  425.400989] 0 pages in swap cache
[  425.404858]  ? print_usage_bug+0xc0/0xc0
[  425.408631] Swap cache stats: add 0, delete 0, find 0/0
[  425.412070]  ? kvm_clock_read+0x18/0x30
[  425.416099] Free swap  = 0kB
[  425.421449]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  425.425408] Total swap = 0kB
[  425.428412]  ? print_usage_bug+0xc0/0xc0
[  425.433400] 1965979 pages RAM
[  425.436403]  ? __lock_acquire+0x62f/0x4c20
[  425.440438] 0 pages HighMem/MovableOnly
[  425.443534]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  425.447734] 342853 pages reserved
[  425.447741] 0 pages cma reserved
[  425.451703]  ? should_fail+0x22d/0xd01
[  425.457342] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  425.460652]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  425.463993] ksoftirqd/1 cpuset=/ mems_allowed=0
[  425.468351]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  425.493646]  ? __lock_acquire+0x62f/0x4c20
[  425.497879]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  425.502973]  ? __lock_acquire+0x62f/0x4c20
[  425.507201]  ? should_fail+0x22d/0xd01
[  425.511089]  ? rcu_irq_exit+0x1a2/0x390
[  425.515066]  ? mark_held_locks+0x130/0x130
[  425.519303]  ? mark_held_locks+0x130/0x130
[  425.523538]  ? mark_held_locks+0xc7/0x130
[  425.527682]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  425.532691]  ? zap_class+0x640/0x640
[  425.536398]  ? print_usage_bug+0xc0/0xc0
[  425.540462]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.545997]  ? check_preemption_disabled+0x48/0x280
[  425.551020]  ? __lock_is_held+0xb5/0x140
[  425.555084]  __alloc_pages_nodemask+0xa80/0xde0
[  425.559745]  ? zap_class+0x640/0x640
[  425.563461]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  425.568485]  ? find_held_lock+0x36/0x1c0
[  425.572548]  ? ____cache_alloc_node+0x1c7/0x1e0
[  425.577210]  ? lock_downgrade+0x900/0x900
[  425.581357]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.586892]  cache_grow_begin+0xa5/0x8c0
[  425.590945]  ? do_raw_spin_unlock+0xa7/0x330
[  425.595359]  fallback_alloc+0x204/0x2e0
[  425.599336]  ____cache_alloc_node+0x1c7/0x1e0
[  425.603831]  kmem_cache_alloc_node+0xe3/0x730
[  425.608322]  ? ipv6_get_ifaddr+0x42e/0x620
[  425.612565]  __alloc_skb+0x119/0x770
[  425.616287]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  425.621562]  ? netdev_alloc_frag+0x1f0/0x1f0
[  425.625963]  ? lock_downgrade+0x900/0x900
[  425.630115]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.635649]  ? refcount_sub_and_test_checked+0x203/0x310
[  425.641095]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  425.646539]  ? addrconf_rs_timer+0x690/0x690
[  425.650951]  ndisc_alloc_skb+0x144/0x340
[  425.655013]  ndisc_send_rs+0x331/0x6e0
[  425.658900]  addrconf_rs_timer+0x314/0x690
[  425.663137]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.667377]  call_timer_fn+0x272/0x920
[  425.671270]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.675512]  ? process_timeout+0x40/0x40
[  425.679576]  ? __run_timers+0x7da/0xc70
[  425.683550]  ? _raw_spin_unlock_irq+0x27/0x80
[  425.688037]  ? _raw_spin_unlock_irq+0x27/0x80
[  425.692528]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.696756]  ? lockdep_hardirqs_on+0x296/0x5b0
[  425.701334]  ? trace_hardirqs_on+0xbd/0x310
[  425.705651]  ? kasan_check_read+0x11/0x20
[  425.709791]  ? __run_timers+0x7da/0xc70
[  425.713771]  ? trace_hardirqs_off_caller+0x310/0x310
[  425.719406]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.723639]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.727870]  __run_timers+0x7e5/0xc70
[  425.731679]  ? timer_fixup_init+0x70/0x70
[  425.735824]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  425.740835]  ? zap_class+0x640/0x640
[  425.744548]  ? enqueue_hrtimer+0x1a5/0x560
[  425.748777]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  425.753970]  ? find_held_lock+0x36/0x1c0
[  425.758032]  ? zap_class+0x640/0x640
[  425.761747]  ? pvclock_read_flags+0x160/0x160
[  425.766255]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.771800]  ? check_preemption_disabled+0x48/0x280
[  425.776819]  ? __lock_is_held+0xb5/0x140
[  425.780875]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.786408]  ? check_preemption_disabled+0x48/0x280
[  425.791424]  run_timer_softirq+0x52/0xb0
[  425.795492]  ? rcu_read_lock_sched_held+0x14f/0x180
[  425.800505]  __do_softirq+0x308/0xb7e
[  425.804303]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  425.808795]  ? lock_downgrade+0x900/0x900
[  425.812944]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  425.818048]  ? pvclock_read_flags+0x160/0x160
[  425.822541]  ? lapic_next_event+0x5a/0x90
[  425.826684]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.832217]  ? kvm_clock_read+0x18/0x30
[  425.836200]  ? kvm_sched_clock_read+0x9/0x20
[  425.840612]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.846145]  ? check_preemption_disabled+0x48/0x280
[  425.851162]  irq_exit+0x17f/0x1c0
[  425.854612]  smp_apic_timer_interrupt+0x1cb/0x760
[  425.859447]  ? smp_reschedule_interrupt+0x109/0x650
[  425.864460]  ? smp_call_function_single_interrupt+0x650/0x650
[  425.870338]  ? interrupt_entry+0xb5/0xc0
[  425.874405]  ? trace_hardirqs_off_caller+0xbb/0x310
[  425.879418]  ? trace_hardirqs_off_caller+0xbb/0x310
[  425.884429]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  425.889266]  ? trace_hardirqs_on_caller+0x310/0x310
[  425.894277]  ? trace_hardirqs_on_caller+0x310/0x310
[  425.899285]  ? task_prio+0x50/0x50
[  425.902824]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.908360]  ? check_preemption_disabled+0x48/0x280
[  425.913385]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  425.918262]  apic_timer_interrupt+0xf/0x20
[  425.922486]  </IRQ>
[  425.924725] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  425.929650] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  425.948542] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  425.956253] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  425.963520] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  425.971284] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  425.978545] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  425.985810] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  425.993121]  skb_clone+0x1bb/0x500
[  425.996675]  ? finish_task_switch+0x2f4/0x910
[  426.001170]  ? skb_split+0x11e0/0x11e0
[  426.005065]  ? preempt_notifier_register+0x200/0x200
[  426.010174]  ? __switch_to_asm+0x34/0x70
[  426.014238]  ? __switch_to_asm+0x34/0x70
[  426.018292]  ? __switch_to_asm+0x40/0x70
[  426.022349]  ? __switch_to_asm+0x34/0x70
[  426.026404]  ? __switch_to_asm+0x40/0x70
[  426.030456]  ? __switch_to_asm+0x34/0x70
[  426.034506]  ? __switch_to_asm+0x40/0x70
[  426.038558]  ? __switch_to_asm+0x34/0x70
[  426.042609]  ? __switch_to_asm+0x34/0x70
[  426.046664]  ? __switch_to_asm+0x40/0x70
[  426.050718]  ? __switch_to_asm+0x34/0x70
[  426.054780]  bpf_clone_redirect+0xb9/0x490
[  426.059013]  ? __schedule+0x8d7/0x21d0
[  426.062900]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  426.067825]  ? __sched_text_start+0x8/0x8
[  426.071976]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  426.076549]  ? retint_kernel+0x2d/0x2d
[  426.080436]  ? trace_hardirqs_on_caller+0xc0/0x310
[  426.085369]  ? find_held_lock+0x36/0x1c0
[  426.089435]  ? lock_acquire+0x1ed/0x520
[  426.093408]  ? bpf_test_run+0x3cb/0x780
[  426.097883]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.103417]  ? check_preemption_disabled+0x48/0x280
[  426.108438]  ? kasan_check_read+0x11/0x20
[  426.112579]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  426.117853]  ? rcu_softirq_qs+0x20/0x20
[  426.121826]  ? preempt_schedule+0x4d/0x60
[  426.125969]  ? ___preempt_schedule+0x16/0x18
[  426.130380]  ? bpf_test_run+0x25d/0x780
[  426.134359]  ? netlink_diag_dump+0x2a0/0x2a0
[  426.139137]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  426.144671]  ? bpf_test_init.isra.10+0x70/0x100
[  426.149340]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  426.154100]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  426.158937]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  426.164473]  ? fput+0x130/0x1a0
[  426.167750]  ? __bpf_prog_get+0x9b/0x290
[  426.171813]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  426.176648]  ? bpf_prog_test_run+0x130/0x1a0
[  426.181058]  ? __x64_sys_bpf+0x3d8/0x520
[  426.185112]  ? bpf_prog_get+0x20/0x20
[  426.188923]  ? do_syscall_64+0x1b9/0x820
[  426.192977]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  426.198340]  ? syscall_return_slowpath+0x5e0/0x5e0
[  426.203635]  ? trace_hardirqs_on_caller+0x310/0x310
[  426.208651]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  426.213666]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  426.220325]  ? __switch_to_asm+0x40/0x70
[  426.224377]  ? __switch_to_asm+0x34/0x70
[  426.228435]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  426.233279]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  426.238660] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  426.238759] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  426.245584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  426.245591] Call Trace:
[  426.252139] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  426.261409]  dump_stack+0x244/0x39d
[  426.263967] syz-executor4 cpuset=syz4 mems_allowed=0
[  426.274443]  ? dump_stack_print_info.cold.1+0x20/0x20
[  426.288319]  warn_alloc.cold.116+0xb7/0x1bd
[  426.292639]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  426.297479]  ? lock_downgrade+0x900/0x900
[  426.301634]  ? trace_hardirqs_off+0xb8/0x310
[  426.306047]  ? trace_hardirqs_off+0xb8/0x310
[  426.310459]  __alloc_pages_slowpath+0x26e8/0x2e10
[  426.315326]  ? warn_alloc+0x120/0x120
[  426.319128]  ? warn_alloc+0x120/0x120
[  426.323029]  ? __bfs+0xb0/0x780
[  426.326304]  ? warn_alloc+0x120/0x120
[  426.330102]  ? print_usage_bug+0xc0/0xc0
[  426.334165]  ? print_usage_bug+0xc0/0xc0
[  426.338226]  ? check_usage+0x1aa/0x790
[  426.342107]  ? check_usage+0x1aa/0x790
[  426.346000]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  426.351559]  ? should_fail+0x22d/0xd01
[  426.355446]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  426.360543]  ? __lock_acquire+0x62f/0x4c20
[  426.364780]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  426.369875]  ? __lock_acquire+0x62f/0x4c20
[  426.374103]  ? should_fail+0x22d/0xd01
[  426.377995]  ? mark_held_locks+0x130/0x130
[  426.382231]  ? mark_held_locks+0x130/0x130
[  426.386468]  ? zap_class+0x640/0x640
[  426.390175]  ? ret_from_fork+0x3a/0x50
[  426.394062]  ? __lock_acquire+0x62f/0x4c20
[  426.398294]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.403825]  ? check_preemption_disabled+0x48/0x280
[  426.408844]  ? __lock_is_held+0xb5/0x140
[  426.412909]  __alloc_pages_nodemask+0xa80/0xde0
[  426.417572]  ? zap_class+0x640/0x640
[  426.421285]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  426.426307]  ? find_held_lock+0x36/0x1c0
[  426.430377]  ? ____cache_alloc_node+0x1c7/0x1e0
[  426.435040]  ? lock_downgrade+0x900/0x900
[  426.439196]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.444732]  cache_grow_begin+0xa5/0x8c0
[  426.448790]  ? do_raw_spin_unlock+0xa7/0x330
[  426.453207]  fallback_alloc+0x204/0x2e0
[  426.457194]  ____cache_alloc_node+0x1c7/0x1e0
[  426.461690]  kmem_cache_alloc_node+0xe3/0x730
[  426.466194]  ? mark_held_locks+0xc7/0x130
[  426.470351]  __alloc_skb+0x119/0x770
[  426.474063]  ? netdev_alloc_frag+0x1f0/0x1f0
[  426.478462]  ? do_raw_spin_trylock+0x270/0x270
[  426.483038]  ? kmem_cache_alloc_trace+0x353/0x750
[  426.487875]  ? queue_work_on+0x12c/0x1e0
[  426.491937]  ? switchdev_port_obj_del+0xdc/0x440
[  426.496688]  ? switchdev_trans_item_enqueue+0x260/0x260
[  426.502067]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  426.507085]  __br_mdb_notify+0x4ff/0x15d0
[  426.511228]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  426.516333]  ? __br_mdb_add+0x7f0/0x7f0
[  426.520302]  ? mark_held_locks+0x130/0x130
[  426.524542]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  426.529641]  ? debug_object_assert_init+0x368/0x4b0
[  426.534653]  ? debug_object_init_on_stack+0x20/0x20
[  426.539663]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.545203]  br_mdb_notify+0x310/0x410
[  426.549099]  ? br_mdb_dump+0x27b0/0x27b0
[  426.553177]  br_multicast_del_pg+0x3df/0x790
[  426.557589]  ? br_mdb_ip_get+0x940/0x940
[  426.561646]  ? rwlock_bug.part.2+0x90/0x90
[  426.565880]  ? __lock_is_held+0xb5/0x140
[  426.569950]  br_multicast_port_group_expired+0x189/0x1e0
[  426.575400]  call_timer_fn+0x272/0x920
[  426.579284]  ? br_multicast_del_pg+0x790/0x790
[  426.583860]  ? process_timeout+0x40/0x40
[  426.587924]  ? __run_timers+0x7da/0xc70
[  426.591893]  ? _raw_spin_unlock_irq+0x27/0x80
[  426.596396]  ? _raw_spin_unlock_irq+0x27/0x80
[  426.600884]  ? br_multicast_del_pg+0x790/0x790
[  426.605462]  ? lockdep_hardirqs_on+0x296/0x5b0
[  426.610045]  ? trace_hardirqs_on+0xbd/0x310
[  426.614361]  ? kasan_check_read+0x11/0x20
[  426.618502]  ? __run_timers+0x7da/0xc70
[  426.622475]  ? trace_hardirqs_off_caller+0x310/0x310
[  426.627578]  ? br_multicast_del_pg+0x790/0x790
[  426.632160]  ? br_multicast_del_pg+0x790/0x790
[  426.636740]  __run_timers+0x7e5/0xc70
[  426.640543]  ? timer_fixup_init+0x70/0x70
[  426.644689]  ? _raw_spin_unlock_irq+0x27/0x80
[  426.649184]  ? _raw_spin_unlock_irq+0x27/0x80
[  426.653677]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  426.658263]  ? trace_hardirqs_on+0xbd/0x310
[  426.662578]  ? kasan_check_read+0x11/0x20
[  426.666722]  ? finish_task_switch+0x1f4/0x910
[  426.671216]  ? trace_hardirqs_off_caller+0x310/0x310
[  426.676315]  ? compat_start_thread+0x80/0x80
[  426.680742]  ? pvclock_read_flags+0x160/0x160
[  426.685229]  ? __switch_to_asm+0x34/0x70
[  426.689289]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.694824]  ? check_preemption_disabled+0x48/0x280
[  426.699844]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  426.705383]  ? rcu_pm_notify+0xc0/0xc0
[  426.709265]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.714802]  ? check_preemption_disabled+0x48/0x280
[  426.719818]  run_timer_softirq+0x52/0xb0
[  426.723877]  ? rcu_read_lock_sched_held+0x14f/0x180
[  426.728888]  __do_softirq+0x308/0xb7e
[  426.732697]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  426.737797]  ? trace_hardirqs_off+0xb8/0x310
[  426.742201]  ? rcu_irq_enter+0x18c/0x310
[  426.746265]  ? schedule+0x108/0x460
[  426.749896]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  426.754654]  ? trace_hardirqs_off+0xb8/0x310
[  426.759065]  ? smpboot_thread_fn+0x68b/0xa00
[  426.763472]  ? trace_hardirqs_on+0x310/0x310
[  426.767875]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  426.773405]  ? check_preemption_disabled+0x48/0x280
[  426.778421]  ? takeover_tasklets+0xa90/0xa90
[  426.782823]  run_ksoftirqd+0x5e/0x100
[  426.786622]  smpboot_thread_fn+0x68b/0xa00
[  426.790858]  ? sort_range+0x30/0x30
[  426.794481]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  426.799578]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  426.805113]  ? __kthread_parkme+0xfb/0x1a0
[  426.809345]  ? sort_range+0x30/0x30
[  426.812968]  kthread+0x35a/0x440
[  426.816328]  ? kthread_stop+0x900/0x900
[  426.820298]  ret_from_fork+0x3a/0x50
[  426.824018] warn_alloc_show_mem: 1 callbacks suppressed
[  426.824028] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  426.824029] Mem-Info:
[  426.824059] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  426.824059]  active_file:16 inactive_file:14 isolated_file:0
[  426.824059]  unevictable:0 dirty:0 writeback:0 unstable:0
[  426.824059]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  426.824059]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  426.824059]  free:13767 free_pcp:490 free_cma:0
[  426.829393] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  426.836664] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  426.839051] Call Trace:
[  426.872165] 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
[  426.881514]  <IRQ>
[  426.909167] lowmem_reserve[]: 0 2818 6321 6321
[  426.911742]  dump_stack+0x244/0x39d
[  426.937904] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  426.940051]  ? dump_stack_print_info.cold.1+0x20/0x20
[  426.944593] lowmem_reserve[]: 0 0 3503 3503
[  426.948225]  warn_alloc.cold.116+0xb7/0x1bd
[  426.975685] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  426.980866]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  426.985161] lowmem_reserve[]: 0 0 0 0
[  426.989472]  ? lock_downgrade+0x900/0x900
[  427.018589] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  427.023430]  ? trace_hardirqs_off+0xb8/0x310
[  427.027213] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  427.031354]  ? trace_hardirqs_off+0xb8/0x310
[  427.044839] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  427.049260]  __alloc_pages_slowpath+0x26e8/0x2e10
[  427.064604] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  427.069021]  ? warn_alloc+0x120/0x120
[  427.084059] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  427.088882]  ? print_usage_bug+0xc0/0xc0
[  427.097685] 1997 total pagecache pages
[  427.101471]  ? warn_alloc+0x120/0x120
[  427.110031] 0 pages in swap cache
[  427.114077]  ? warn_alloc+0x120/0x120
[  427.117929] Swap cache stats: add 0, delete 0, find 0/0
[  427.117936] Free swap  = 0kB
[  427.121724]  ? print_usage_bug+0xc0/0xc0
[  427.125145] Total swap = 0kB
[  427.125154] 1965979 pages RAM
[  427.128946]  ? kvm_clock_read+0x18/0x30
[  427.134280] 0 pages HighMem/MovableOnly
[  427.137288]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  427.141315] 342853 pages reserved
[  427.141322] 0 pages cma reserved
[  427.144327]  ? print_usage_bug+0xc0/0xc0
[  427.147533] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  427.151364]  ? __lock_acquire+0x62f/0x4c20
[  427.155310] ksoftirqd/1 cpuset=/ mems_allowed=0
[  427.160314]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  427.195832]  ? should_fail+0x22d/0xd01
[  427.199715]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  427.204990]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  427.210264]  ? __lock_acquire+0x62f/0x4c20
[  427.214497]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  427.219591]  ? __lock_acquire+0x62f/0x4c20
[  427.223817]  ? should_fail+0x22d/0xd01
[  427.227694]  ? rcu_irq_exit+0x1a2/0x390
[  427.231673]  ? mark_held_locks+0x130/0x130
[  427.235905]  ? mark_held_locks+0x130/0x130
[  427.240155]  ? mark_held_locks+0xc7/0x130
[  427.244304]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  427.249318]  ? zap_class+0x640/0x640
[  427.253024]  ? print_usage_bug+0xc0/0xc0
[  427.257081]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.262616]  ? check_preemption_disabled+0x48/0x280
[  427.267641]  ? __lock_is_held+0xb5/0x140
[  427.271803]  __alloc_pages_nodemask+0xa80/0xde0
[  427.276465]  ? zap_class+0x640/0x640
[  427.280188]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  427.285208]  ? find_held_lock+0x36/0x1c0
[  427.289360]  ? ____cache_alloc_node+0x1c7/0x1e0
[  427.294023]  ? lock_downgrade+0x900/0x900
[  427.298182]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.303717]  cache_grow_begin+0xa5/0x8c0
[  427.307770]  ? do_raw_spin_unlock+0xa7/0x330
[  427.312184]  fallback_alloc+0x204/0x2e0
[  427.316165]  ____cache_alloc_node+0x1c7/0x1e0
[  427.320664]  kmem_cache_alloc_node+0xe3/0x730
[  427.325155]  ? ipv6_get_ifaddr+0x42e/0x620
[  427.329398]  __alloc_skb+0x119/0x770
[  427.333105]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  427.338389]  ? netdev_alloc_frag+0x1f0/0x1f0
[  427.342794]  ? lock_downgrade+0x900/0x900
[  427.346963]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.352502]  ? refcount_sub_and_test_checked+0x203/0x310
[  427.357953]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  427.363399]  ? addrconf_rs_timer+0x690/0x690
[  427.367812]  ndisc_alloc_skb+0x144/0x340
[  427.371874]  ndisc_send_rs+0x331/0x6e0
[  427.375763]  addrconf_rs_timer+0x314/0x690
[  427.379996]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  427.384236]  call_timer_fn+0x272/0x920
[  427.388130]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  427.392360]  ? process_timeout+0x40/0x40
[  427.396421]  ? __run_timers+0x7da/0xc70
[  427.400397]  ? _raw_spin_unlock_irq+0x27/0x80
[  427.404888]  ? _raw_spin_unlock_irq+0x27/0x80
[  427.409382]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  427.413611]  ? lockdep_hardirqs_on+0x296/0x5b0
[  427.418189]  ? trace_hardirqs_on+0xbd/0x310
[  427.422504]  ? kasan_check_read+0x11/0x20
[  427.426644]  ? __run_timers+0x7da/0xc70
[  427.430625]  ? trace_hardirqs_off_caller+0x310/0x310
[  427.435729]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  427.439974]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  427.444203]  __run_timers+0x7e5/0xc70
[  427.448006]  ? timer_fixup_init+0x70/0x70
[  427.452147]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  427.457168]  ? zap_class+0x640/0x640
[  427.460880]  ? enqueue_hrtimer+0x1a5/0x560
[  427.465123]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  427.470317]  ? find_held_lock+0x36/0x1c0
[  427.474376]  ? zap_class+0x640/0x640
[  427.478087]  ? pvclock_read_flags+0x160/0x160
[  427.482589]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.488137]  ? check_preemption_disabled+0x48/0x280
[  427.493164]  ? __lock_is_held+0xb5/0x140
[  427.497223]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.502753]  ? check_preemption_disabled+0x48/0x280
[  427.507768]  run_timer_softirq+0x52/0xb0
[  427.511821]  ? rcu_read_lock_sched_held+0x14f/0x180
[  427.516831]  __do_softirq+0x308/0xb7e
[  427.520640]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  427.525131]  ? lock_downgrade+0x900/0x900
[  427.529278]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  427.534387]  ? pvclock_read_flags+0x160/0x160
[  427.538878]  ? lapic_next_event+0x5a/0x90
[  427.543023]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.548561]  ? kvm_clock_read+0x18/0x30
[  427.552530]  ? kvm_sched_clock_read+0x9/0x20
[  427.556936]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.562468]  ? check_preemption_disabled+0x48/0x280
[  427.567484]  irq_exit+0x17f/0x1c0
[  427.570932]  smp_apic_timer_interrupt+0x1cb/0x760
[  427.575770]  ? smp_reschedule_interrupt+0x109/0x650
[  427.580784]  ? smp_call_function_single_interrupt+0x650/0x650
[  427.586660]  ? interrupt_entry+0xb5/0xc0
[  427.590719]  ? trace_hardirqs_off_caller+0xbb/0x310
[  427.595729]  ? trace_hardirqs_off_caller+0xbb/0x310
[  427.600738]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  427.605574]  ? trace_hardirqs_on_caller+0x310/0x310
[  427.610583]  ? trace_hardirqs_on_caller+0x310/0x310
[  427.615592]  ? task_prio+0x50/0x50
[  427.619130]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.624662]  ? check_preemption_disabled+0x48/0x280
[  427.629676]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  427.634523]  apic_timer_interrupt+0xf/0x20
[  427.638745]  </IRQ>
[  427.640978] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  427.645902] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  427.664807] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  427.672506] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  427.679771] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  427.687030] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  427.694290] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  427.701551] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  427.708845]  skb_clone+0x1bb/0x500
[  427.712384]  ? finish_task_switch+0x2f4/0x910
[  427.716872]  ? skb_split+0x11e0/0x11e0
[  427.720753]  ? preempt_notifier_register+0x200/0x200
[  427.725847]  ? __switch_to_asm+0x34/0x70
[  427.729901]  ? __switch_to_asm+0x34/0x70
[  427.733953]  ? __switch_to_asm+0x40/0x70
[  427.738010]  ? __switch_to_asm+0x34/0x70
[  427.742061]  ? __switch_to_asm+0x40/0x70
[  427.746126]  ? __switch_to_asm+0x34/0x70
[  427.750182]  ? __switch_to_asm+0x40/0x70
[  427.754233]  ? __switch_to_asm+0x34/0x70
[  427.758301]  ? __switch_to_asm+0x34/0x70
[  427.762352]  ? __switch_to_asm+0x40/0x70
[  427.766403]  ? __switch_to_asm+0x34/0x70
[  427.770464]  bpf_clone_redirect+0xb9/0x490
[  427.774697]  ? __schedule+0x8d7/0x21d0
[  427.778590]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  427.783514]  ? __sched_text_start+0x8/0x8
[  427.787660]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  427.792232]  ? retint_kernel+0x2d/0x2d
[  427.796121]  ? trace_hardirqs_on_caller+0xc0/0x310
[  427.801047]  ? find_held_lock+0x36/0x1c0
[  427.805119]  ? lock_acquire+0x1ed/0x520
[  427.809103]  ? bpf_test_run+0x3cb/0x780
[  427.813072]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.818615]  ? check_preemption_disabled+0x48/0x280
[  427.823629]  ? kasan_check_read+0x11/0x20
[  427.827769]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  427.833037]  ? rcu_softirq_qs+0x20/0x20
[  427.837005]  ? preempt_schedule+0x4d/0x60
[  427.841148]  ? ___preempt_schedule+0x16/0x18
[  427.845558]  ? bpf_test_run+0x25d/0x780
[  427.849536]  ? netlink_diag_dump+0x2a0/0x2a0
[  427.853944]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  427.859477]  ? bpf_test_init.isra.10+0x70/0x100
[  427.864147]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  427.868906]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  427.873742]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  427.879276]  ? fput+0x130/0x1a0
[  427.882562]  ? __bpf_prog_get+0x9b/0x290
[  427.886619]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  427.891455]  ? bpf_prog_test_run+0x130/0x1a0
[  427.895863]  ? __x64_sys_bpf+0x3d8/0x520
[  427.899918]  ? bpf_prog_get+0x20/0x20
[  427.903728]  ? do_syscall_64+0x1b9/0x820
[  427.907784]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  427.913145]  ? syscall_return_slowpath+0x5e0/0x5e0
[  427.918125]  ? trace_hardirqs_on_caller+0x310/0x310
[  427.923154]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  427.928167]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  427.934828]  ? __switch_to_asm+0x40/0x70
[  427.938879]  ? __switch_to_asm+0x34/0x70
[  427.942937]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  427.947784]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  427.953173] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  427.953234] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  427.960012] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  427.960017] Call Trace:
[  427.960034]  dump_stack+0x244/0x39d
[  427.960054]  ? dump_stack_print_info.cold.1+0x20/0x20
[  427.966575] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  427.976155]  warn_alloc.cold.116+0xb7/0x1bd
[  427.978707] syz-executor4 cpuset=syz4 mems_allowed=0
[  427.982320]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  428.012163]  ? lock_downgrade+0x900/0x900
[  428.016318]  ? trace_hardirqs_off+0xb8/0x310
[  428.020730]  ? trace_hardirqs_off+0xb8/0x310
[  428.025144]  __alloc_pages_slowpath+0x26e8/0x2e10
[  428.030010]  ? warn_alloc+0x120/0x120
[  428.033809]  ? warn_alloc+0x120/0x120
[  428.037607]  ? __bfs+0xb0/0x780
[  428.040885]  ? warn_alloc+0x120/0x120
[  428.044687]  ? print_usage_bug+0xc0/0xc0
[  428.048746]  ? print_usage_bug+0xc0/0xc0
[  428.052804]  ? check_usage+0x1aa/0x790
[  428.056683]  ? check_usage+0x1aa/0x790
[  428.060590]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  428.066121]  ? should_fail+0x22d/0xd01
[  428.070012]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  428.075113]  ? __lock_acquire+0x62f/0x4c20
[  428.079346]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  428.084440]  ? __lock_acquire+0x62f/0x4c20
[  428.088668]  ? should_fail+0x22d/0xd01
[  428.092560]  ? mark_held_locks+0x130/0x130
[  428.096798]  ? mark_held_locks+0x130/0x130
[  428.101037]  ? zap_class+0x640/0x640
[  428.104759]  ? ret_from_fork+0x3a/0x50
[  428.108640]  ? __lock_acquire+0x62f/0x4c20
[  428.112874]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.118406]  ? check_preemption_disabled+0x48/0x280
[  428.123428]  ? __lock_is_held+0xb5/0x140
[  428.127491]  __alloc_pages_nodemask+0xa80/0xde0
[  428.132154]  ? zap_class+0x640/0x640
[  428.135883]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  428.141309]  ? find_held_lock+0x36/0x1c0
[  428.145374]  ? ____cache_alloc_node+0x1c7/0x1e0
[  428.150041]  ? lock_downgrade+0x900/0x900
[  428.154209]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.159743]  cache_grow_begin+0xa5/0x8c0
[  428.163797]  ? do_raw_spin_unlock+0xa7/0x330
[  428.168210]  fallback_alloc+0x204/0x2e0
[  428.172183]  ____cache_alloc_node+0x1c7/0x1e0
[  428.176699]  kmem_cache_alloc_node+0xe3/0x730
[  428.181185]  ? mark_held_locks+0xc7/0x130
[  428.185342]  __alloc_skb+0x119/0x770
[  428.189064]  ? netdev_alloc_frag+0x1f0/0x1f0
[  428.193467]  ? do_raw_spin_trylock+0x270/0x270
[  428.198052]  ? kmem_cache_alloc_trace+0x353/0x750
[  428.202894]  ? queue_work_on+0x12c/0x1e0
[  428.206956]  ? switchdev_port_obj_del+0xdc/0x440
[  428.211717]  ? switchdev_trans_item_enqueue+0x260/0x260
[  428.217080]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  428.222098]  __br_mdb_notify+0x4ff/0x15d0
[  428.226238]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  428.231341]  ? __br_mdb_add+0x7f0/0x7f0
[  428.235312]  ? mark_held_locks+0x130/0x130
[  428.239569]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  428.244671]  ? debug_object_assert_init+0x368/0x4b0
[  428.249686]  ? debug_object_init_on_stack+0x20/0x20
[  428.254701]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.260238]  br_mdb_notify+0x310/0x410
[  428.264124]  ? br_mdb_dump+0x27b0/0x27b0
[  428.268195]  br_multicast_del_pg+0x3df/0x790
[  428.272605]  ? br_mdb_ip_get+0x940/0x940
[  428.276660]  ? rwlock_bug.part.2+0x90/0x90
[  428.280892]  ? __lock_is_held+0xb5/0x140
[  428.284956]  br_multicast_port_group_expired+0x189/0x1e0
[  428.290408]  call_timer_fn+0x272/0x920
[  428.294297]  ? br_multicast_del_pg+0x790/0x790
[  428.298874]  ? process_timeout+0x40/0x40
[  428.302942]  ? __run_timers+0x7da/0xc70
[  428.306914]  ? _raw_spin_unlock_irq+0x27/0x80
[  428.311406]  ? _raw_spin_unlock_irq+0x27/0x80
[  428.315895]  ? br_multicast_del_pg+0x790/0x790
[  428.320483]  ? lockdep_hardirqs_on+0x296/0x5b0
[  428.325065]  ? trace_hardirqs_on+0xbd/0x310
[  428.329383]  ? kasan_check_read+0x11/0x20
[  428.333524]  ? __run_timers+0x7da/0xc70
[  428.337496]  ? trace_hardirqs_off_caller+0x310/0x310
[  428.342600]  ? br_multicast_del_pg+0x790/0x790
[  428.347182]  ? br_multicast_del_pg+0x790/0x790
[  428.351759]  __run_timers+0x7e5/0xc70
[  428.355568]  ? timer_fixup_init+0x70/0x70
[  428.359708]  ? _raw_spin_unlock_irq+0x27/0x80
[  428.364198]  ? _raw_spin_unlock_irq+0x27/0x80
[  428.368688]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  428.373265]  ? trace_hardirqs_on+0xbd/0x310
[  428.377583]  ? kasan_check_read+0x11/0x20
[  428.381735]  ? finish_task_switch+0x1f4/0x910
[  428.386223]  ? trace_hardirqs_off_caller+0x310/0x310
[  428.391322]  ? compat_start_thread+0x80/0x80
[  428.395744]  ? pvclock_read_flags+0x160/0x160
[  428.400230]  ? __switch_to_asm+0x34/0x70
[  428.404288]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.409823]  ? check_preemption_disabled+0x48/0x280
[  428.414845]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  428.420377]  ? rcu_pm_notify+0xc0/0xc0
[  428.424258]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.429789]  ? check_preemption_disabled+0x48/0x280
[  428.434802]  run_timer_softirq+0x52/0xb0
[  428.438856]  ? rcu_read_lock_sched_held+0x14f/0x180
[  428.443867]  __do_softirq+0x308/0xb7e
[  428.447670]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  428.452769]  ? trace_hardirqs_off+0xb8/0x310
[  428.457167]  ? rcu_irq_enter+0x18c/0x310
[  428.461231]  ? schedule+0x108/0x460
[  428.464857]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  428.469618]  ? trace_hardirqs_off+0xb8/0x310
[  428.474021]  ? smpboot_thread_fn+0x68b/0xa00
[  428.478432]  ? trace_hardirqs_on+0x310/0x310
[  428.482834]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  428.488367]  ? check_preemption_disabled+0x48/0x280
[  428.493379]  ? takeover_tasklets+0xa90/0xa90
[  428.497787]  run_ksoftirqd+0x5e/0x100
[  428.501589]  smpboot_thread_fn+0x68b/0xa00
[  428.505824]  ? sort_range+0x30/0x30
[  428.509458]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  428.514561]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  428.520098]  ? __kthread_parkme+0xfb/0x1a0
[  428.524333]  ? sort_range+0x30/0x30
[  428.528055]  kthread+0x35a/0x440
[  428.531422]  ? kthread_stop+0x900/0x900
[  428.535393]  ret_from_fork+0x3a/0x50
[  428.539113] warn_alloc_show_mem: 1 callbacks suppressed
[  428.539122] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  428.539123] Mem-Info:
[  428.539151] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  428.539151]  active_file:16 inactive_file:14 isolated_file:0
[  428.539151]  unevictable:0 dirty:0 writeback:0 unstable:0
[  428.539151]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  428.539151]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  428.539151]  free:13767 free_pcp:490 free_cma:0
[  428.544490] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  428.551780] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  428.554166] Call Trace:
[  428.587316] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  428.596654]  <IRQ>
[  428.624297] lowmem_reserve[]: 0 2818 6321 6321
[  428.626881]  dump_stack+0x244/0x39d
[  428.652958] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  428.655101]  ? dump_stack_print_info.cold.1+0x20/0x20
[  428.659659] lowmem_reserve[]: 0 0 3503 3503
[  428.663290]  warn_alloc.cold.116+0xb7/0x1bd
[  428.690750] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  428.695930]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  428.700219] lowmem_reserve[]: 0 0 0 0
[  428.704530]  ? lock_downgrade+0x900/0x900
[  428.733647] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  428.738500]  ? trace_hardirqs_off+0xb8/0x310
[  428.742270] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  428.746414]  ? trace_hardirqs_off+0xb8/0x310
[  428.759903] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  428.764306]  __alloc_pages_slowpath+0x26e8/0x2e10
[  428.779718] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  428.784135]  ? warn_alloc+0x120/0x120
[  428.799172] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  428.804009]  ? print_usage_bug+0xc0/0xc0
[  428.812811] 1997 total pagecache pages
[  428.816683]  ? warn_alloc+0x120/0x120
[  428.825235] 0 pages in swap cache
[  428.829369]  ? warn_alloc+0x120/0x120
[  428.833233] Swap cache stats: add 0, delete 0, find 0/0
[  428.837027]  ? print_usage_bug+0xc0/0xc0
[  428.840447] Free swap  = 0kB
[  428.844236]  ? print_usage_bug+0xc0/0xc0
[  428.849571] Total swap = 0kB
[  428.853620]  ? __lock_acquire+0x62f/0x4c20
[  428.856608] 1965979 pages RAM
[  428.860660]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  428.863647] 0 pages HighMem/MovableOnly
[  428.867869]  ? should_fail+0x22d/0xd01
[  428.870944] 342853 pages reserved
[  428.876468]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  428.880409] 0 pages cma reserved
[  428.884282]  ? __lock_acquire+0x62f/0x4c20
[  428.887848] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  428.892799]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  428.896134] ksoftirqd/1 cpuset=/ mems_allowed=0
[  428.900525]  ? __lock_acquire+0x62f/0x4c20
[  428.900539]  ? should_fail+0x22d/0xd01
[  428.928652]  ? find_held_lock+0x36/0x1c0
[  428.932720]  ? mark_held_locks+0x130/0x130
[  428.936966]  ? mark_held_locks+0x130/0x130
[  428.941286]  ? zap_class+0x640/0x640
[  428.944999]  ? zap_class+0x640/0x640
[  428.948719]  ? print_usage_bug+0xc0/0xc0
[  428.952770]  ? do_raw_spin_unlock+0xa7/0x330
[  428.957171]  ? zap_class+0x640/0x640
[  428.960878]  ? print_usage_bug+0xc0/0xc0
[  428.965029]  ? wq_watchdog_touch+0x9c/0xfe
[  428.969261]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.974797]  ? check_preemption_disabled+0x48/0x280
[  428.979821]  ? __lock_is_held+0xb5/0x140
[  428.983881]  __alloc_pages_nodemask+0xa80/0xde0
[  428.988543]  ? zap_class+0x640/0x640
[  428.992257]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  428.997277]  ? find_held_lock+0x36/0x1c0
[  429.001343]  ? ____cache_alloc_node+0x1c7/0x1e0
[  429.006018]  ? lock_downgrade+0x900/0x900
[  429.010165]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.015702]  cache_grow_begin+0xa5/0x8c0
[  429.019755]  ? do_raw_spin_unlock+0xa7/0x330
[  429.024164]  fallback_alloc+0x204/0x2e0
[  429.028141]  ____cache_alloc_node+0x1c7/0x1e0
[  429.032644]  kmem_cache_alloc_node+0xe3/0x730
[  429.037142]  ? ipv6_get_ifaddr+0x42e/0x620
[  429.041380]  __alloc_skb+0x119/0x770
[  429.045091]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  429.050365]  ? netdev_alloc_frag+0x1f0/0x1f0
[  429.054774]  ? lock_downgrade+0x900/0x900
[  429.058919]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.064572]  ? refcount_sub_and_test_checked+0x203/0x310
[  429.070027]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  429.075471]  ? addrconf_rs_timer+0x690/0x690
[  429.079884]  ndisc_alloc_skb+0x144/0x340
[  429.083942]  ndisc_send_rs+0x331/0x6e0
[  429.087827]  addrconf_rs_timer+0x314/0x690
[  429.092062]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  429.096302]  call_timer_fn+0x272/0x920
[  429.100269]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  429.104498]  ? process_timeout+0x40/0x40
[  429.108559]  ? __run_timers+0x7da/0xc70
[  429.112534]  ? _raw_spin_unlock_irq+0x27/0x80
[  429.117035]  ? _raw_spin_unlock_irq+0x27/0x80
[  429.121523]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  429.125751]  ? lockdep_hardirqs_on+0x296/0x5b0
[  429.130329]  ? trace_hardirqs_on+0xbd/0x310
[  429.134644]  ? kasan_check_read+0x11/0x20
[  429.138786]  ? __run_timers+0x7da/0xc70
[  429.142754]  ? trace_hardirqs_off_caller+0x310/0x310
[  429.147857]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  429.152089]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  429.156314]  __run_timers+0x7e5/0xc70
[  429.160119]  ? timer_fixup_init+0x70/0x70
[  429.164277]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  429.169391]  ? zap_class+0x640/0x640
[  429.173105]  ? enqueue_hrtimer+0x1a5/0x560
[  429.177333]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  429.182527]  ? find_held_lock+0x36/0x1c0
[  429.186590]  ? zap_class+0x640/0x640
[  429.190303]  ? pvclock_read_flags+0x160/0x160
[  429.194793]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.200342]  ? check_preemption_disabled+0x48/0x280
[  429.205362]  ? __lock_is_held+0xb5/0x140
[  429.209417]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.214948]  ? check_preemption_disabled+0x48/0x280
[  429.219978]  run_timer_softirq+0x52/0xb0
[  429.224041]  ? rcu_read_lock_sched_held+0x14f/0x180
[  429.229060]  __do_softirq+0x308/0xb7e
[  429.232861]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  429.237349]  ? lock_downgrade+0x900/0x900
[  429.241499]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  429.246602]  ? pvclock_read_flags+0x160/0x160
[  429.251095]  ? lapic_next_event+0x5a/0x90
[  429.255245]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.260783]  ? kvm_clock_read+0x18/0x30
[  429.264750]  ? kvm_sched_clock_read+0x9/0x20
[  429.269154]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.274686]  ? check_preemption_disabled+0x48/0x280
[  429.279703]  irq_exit+0x17f/0x1c0
[  429.283156]  smp_apic_timer_interrupt+0x1cb/0x760
[  429.287996]  ? smp_reschedule_interrupt+0x109/0x650
[  429.293094]  ? smp_call_function_single_interrupt+0x650/0x650
[  429.298985]  ? interrupt_entry+0xb5/0xc0
[  429.303043]  ? trace_hardirqs_off_caller+0xbb/0x310
[  429.308052]  ? trace_hardirqs_off_caller+0xbb/0x310
[  429.313081]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  429.317917]  ? trace_hardirqs_on_caller+0x310/0x310
[  429.322927]  ? trace_hardirqs_on_caller+0x310/0x310
[  429.327936]  ? task_prio+0x50/0x50
[  429.331482]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.337015]  ? check_preemption_disabled+0x48/0x280
[  429.342030]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  429.346878]  apic_timer_interrupt+0xf/0x20
[  429.351103]  </IRQ>
[  429.353335] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  429.358263] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  429.377158] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  429.384858] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  429.392120] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  429.399382] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  429.406731] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  429.413996] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  429.421295]  skb_clone+0x1bb/0x500
[  429.424829]  ? finish_task_switch+0x2f4/0x910
[  429.429319]  ? skb_split+0x11e0/0x11e0
[  429.433202]  ? preempt_notifier_register+0x200/0x200
[  429.438297]  ? __switch_to_asm+0x34/0x70
[  429.442350]  ? __switch_to_asm+0x34/0x70
[  429.446419]  ? __switch_to_asm+0x40/0x70
[  429.450469]  ? __switch_to_asm+0x34/0x70
[  429.454523]  ? __switch_to_asm+0x40/0x70
[  429.458573]  ? __switch_to_asm+0x34/0x70
[  429.462629]  ? __switch_to_asm+0x40/0x70
[  429.466679]  ? __switch_to_asm+0x34/0x70
[  429.470735]  ? __switch_to_asm+0x34/0x70
[  429.474791]  ? __switch_to_asm+0x40/0x70
[  429.478843]  ? __switch_to_asm+0x34/0x70
[  429.482905]  bpf_clone_redirect+0xb9/0x490
[  429.487139]  ? __schedule+0x8d7/0x21d0
[  429.491030]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  429.495967]  ? __sched_text_start+0x8/0x8
[  429.500110]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  429.504684]  ? retint_kernel+0x2d/0x2d
[  429.508570]  ? trace_hardirqs_on_caller+0xc0/0x310
[  429.513513]  ? find_held_lock+0x36/0x1c0
[  429.517576]  ? lock_acquire+0x1ed/0x520
[  429.521558]  ? bpf_test_run+0x3cb/0x780
[  429.525535]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.531072]  ? check_preemption_disabled+0x48/0x280
[  429.536091]  ? kasan_check_read+0x11/0x20
[  429.540232]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  429.545502]  ? rcu_softirq_qs+0x20/0x20
[  429.549472]  ? preempt_schedule+0x4d/0x60
[  429.553617]  ? ___preempt_schedule+0x16/0x18
[  429.558024]  ? bpf_test_run+0x25d/0x780
[  429.562002]  ? netlink_diag_dump+0x2a0/0x2a0
[  429.566423]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  429.571967]  ? bpf_test_init.isra.10+0x70/0x100
[  429.576636]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  429.581402]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  429.586237]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  429.591766]  ? fput+0x130/0x1a0
[  429.595039]  ? __bpf_prog_get+0x9b/0x290
[  429.599101]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  429.603949]  ? bpf_prog_test_run+0x130/0x1a0
[  429.608362]  ? __x64_sys_bpf+0x3d8/0x520
[  429.612417]  ? bpf_prog_get+0x20/0x20
[  429.616234]  ? do_syscall_64+0x1b9/0x820
[  429.620286]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  429.625644]  ? syscall_return_slowpath+0x5e0/0x5e0
[  429.630569]  ? trace_hardirqs_on_caller+0x310/0x310
[  429.635581]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  429.640591]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  429.647250]  ? __switch_to_asm+0x40/0x70
[  429.651306]  ? __switch_to_asm+0x34/0x70
[  429.655371]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  429.660213]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  429.665589] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  429.665653] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  429.672425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  429.672429] Call Trace:
[  429.672446]  dump_stack+0x244/0x39d
[  429.672469]  ? dump_stack_print_info.cold.1+0x20/0x20
[  429.679012] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  429.688296]  warn_alloc.cold.116+0xb7/0x1bd
[  429.690847] syz-executor4 cpuset=syz4 mems_allowed=0
[  429.694552]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  429.724401]  ? lock_downgrade+0x900/0x900
[  429.728558]  ? trace_hardirqs_off+0xb8/0x310
[  429.732969]  ? trace_hardirqs_off+0xb8/0x310
[  429.737378]  __alloc_pages_slowpath+0x26e8/0x2e10
[  429.742239]  ? warn_alloc+0x120/0x120
[  429.746040]  ? warn_alloc+0x120/0x120
[  429.749837]  ? __bfs+0xb0/0x780
[  429.753121]  ? warn_alloc+0x120/0x120
[  429.756920]  ? print_usage_bug+0xc0/0xc0
[  429.760989]  ? print_usage_bug+0xc0/0xc0
[  429.765049]  ? check_usage+0x1aa/0x790
[  429.768938]  ? check_usage+0x1aa/0x790
[  429.772829]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  429.778366]  ? should_fail+0x22d/0xd01
[  429.782254]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  429.787873]  ? __lock_acquire+0x62f/0x4c20
[  429.792107]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  429.797204]  ? __lock_acquire+0x62f/0x4c20
[  429.801434]  ? should_fail+0x22d/0xd01
[  429.805329]  ? mark_held_locks+0x130/0x130
[  429.809562]  ? mark_held_locks+0x130/0x130
[  429.813798]  ? zap_class+0x640/0x640
[  429.817507]  ? ret_from_fork+0x3a/0x50
[  429.821388]  ? __lock_acquire+0x62f/0x4c20
[  429.825619]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.831153]  ? check_preemption_disabled+0x48/0x280
[  429.836173]  ? __lock_is_held+0xb5/0x140
[  429.840237]  __alloc_pages_nodemask+0xa80/0xde0
[  429.844898]  ? zap_class+0x640/0x640
[  429.848623]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  429.853647]  ? find_held_lock+0x36/0x1c0
[  429.857716]  ? ____cache_alloc_node+0x1c7/0x1e0
[  429.862402]  ? lock_downgrade+0x900/0x900
[  429.866550]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.872087]  cache_grow_begin+0xa5/0x8c0
[  429.876142]  ? do_raw_spin_unlock+0xa7/0x330
[  429.880557]  fallback_alloc+0x204/0x2e0
[  429.884540]  ____cache_alloc_node+0x1c7/0x1e0
[  429.889036]  kmem_cache_alloc_node+0xe3/0x730
[  429.893529]  ? mark_held_locks+0xc7/0x130
[  429.897681]  __alloc_skb+0x119/0x770
[  429.901397]  ? netdev_alloc_frag+0x1f0/0x1f0
[  429.905814]  ? do_raw_spin_trylock+0x270/0x270
[  429.910396]  ? kmem_cache_alloc_trace+0x353/0x750
[  429.915246]  ? queue_work_on+0x12c/0x1e0
[  429.919308]  ? switchdev_port_obj_del+0xdc/0x440
[  429.924064]  ? switchdev_trans_item_enqueue+0x260/0x260
[  429.929434]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  429.934453]  __br_mdb_notify+0x4ff/0x15d0
[  429.938594]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  429.943709]  ? __br_mdb_add+0x7f0/0x7f0
[  429.947678]  ? mark_held_locks+0x130/0x130
[  429.951922]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  429.957027]  ? debug_object_assert_init+0x368/0x4b0
[  429.962134]  ? debug_object_init_on_stack+0x20/0x20
[  429.967147]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.973006]  br_mdb_notify+0x310/0x410
[  429.976892]  ? br_mdb_dump+0x27b0/0x27b0
[  429.980985]  br_multicast_del_pg+0x3df/0x790
[  429.985395]  ? br_mdb_ip_get+0x940/0x940
[  429.989455]  ? rwlock_bug.part.2+0x90/0x90
[  429.993688]  ? __lock_is_held+0xb5/0x140
[  429.997753]  br_multicast_port_group_expired+0x189/0x1e0
[  430.003200]  call_timer_fn+0x272/0x920
[  430.007087]  ? br_multicast_del_pg+0x790/0x790
[  430.011753]  ? process_timeout+0x40/0x40
[  430.015816]  ? __run_timers+0x7da/0xc70
[  430.019786]  ? _raw_spin_unlock_irq+0x27/0x80
[  430.024275]  ? _raw_spin_unlock_irq+0x27/0x80
[  430.028766]  ? br_multicast_del_pg+0x790/0x790
[  430.033345]  ? lockdep_hardirqs_on+0x296/0x5b0
[  430.037930]  ? trace_hardirqs_on+0xbd/0x310
[  430.042250]  ? kasan_check_read+0x11/0x20
[  430.046394]  ? __run_timers+0x7da/0xc70
[  430.050366]  ? trace_hardirqs_off_caller+0x310/0x310
[  430.055556]  ? br_multicast_del_pg+0x790/0x790
[  430.060137]  ? br_multicast_del_pg+0x790/0x790
[  430.064720]  __run_timers+0x7e5/0xc70
[  430.068524]  ? timer_fixup_init+0x70/0x70
[  430.072681]  ? _raw_spin_unlock_irq+0x27/0x80
[  430.077166]  ? _raw_spin_unlock_irq+0x27/0x80
[  430.081661]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  430.086239]  ? trace_hardirqs_on+0xbd/0x310
[  430.090551]  ? kasan_check_read+0x11/0x20
[  430.094696]  ? finish_task_switch+0x1f4/0x910
[  430.099195]  ? trace_hardirqs_off_caller+0x310/0x310
[  430.104291]  ? compat_start_thread+0x80/0x80
[  430.108713]  ? pvclock_read_flags+0x160/0x160
[  430.113203]  ? __switch_to_asm+0x34/0x70
[  430.117262]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.122796]  ? check_preemption_disabled+0x48/0x280
[  430.127823]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  430.133355]  ? rcu_pm_notify+0xc0/0xc0
[  430.137237]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.143270]  ? check_preemption_disabled+0x48/0x280
[  430.148287]  run_timer_softirq+0x52/0xb0
[  430.152346]  ? rcu_read_lock_sched_held+0x14f/0x180
[  430.157357]  __do_softirq+0x308/0xb7e
[  430.161167]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  430.166264]  ? trace_hardirqs_off+0xb8/0x310
[  430.170665]  ? rcu_irq_enter+0x18c/0x310
[  430.174725]  ? schedule+0x108/0x460
[  430.178346]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  430.183109]  ? trace_hardirqs_off+0xb8/0x310
[  430.187518]  ? smpboot_thread_fn+0x68b/0xa00
[  430.191930]  ? trace_hardirqs_on+0x310/0x310
[  430.196339]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  430.201872]  ? check_preemption_disabled+0x48/0x280
[  430.206899]  ? takeover_tasklets+0xa90/0xa90
[  430.211308]  run_ksoftirqd+0x5e/0x100
[  430.215102]  smpboot_thread_fn+0x68b/0xa00
[  430.219351]  ? sort_range+0x30/0x30
[  430.222976]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  430.228073]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  430.233607]  ? __kthread_parkme+0xfb/0x1a0
[  430.237839]  ? sort_range+0x30/0x30
[  430.241460]  kthread+0x35a/0x440
[  430.244825]  ? kthread_stop+0x900/0x900
[  430.248800]  ret_from_fork+0x3a/0x50
[  430.252529] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  430.252533] warn_alloc_show_mem: 1 callbacks suppressed
[  430.252539] Mem-Info:
[  430.259805] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  430.265168] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  430.265168]  active_file:16 inactive_file:14 isolated_file:0
[  430.265168]  unevictable:0 dirty:0 writeback:0 unstable:0
[  430.265168]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  430.265168]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  430.265168]  free:13767 free_pcp:490 free_cma:0
[  430.267539] Call Trace:
[  430.276917] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  430.309935]  <IRQ>
[  430.312499] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  430.340160]  dump_stack+0x244/0x39d
[  430.342307] lowmem_reserve[]: 0 2818 6321 6321
[  430.368405]  ? dump_stack_print_info.cold.1+0x20/0x20
[  430.372008] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  430.376588]  warn_alloc.cold.116+0xb7/0x1bd
[  430.381733] lowmem_reserve[]: 0 0 3503 3503
[  430.409228]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  430.413518] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  430.417832]  ? lock_downgrade+0x900/0x900
[  430.422644] lowmem_reserve[]: 0 0 0 0
[  430.451792]  ? trace_hardirqs_off+0xb8/0x310
[  430.455923] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  430.459720]  ? trace_hardirqs_off+0xb8/0x310
[  430.464099] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  430.477619]  __alloc_pages_slowpath+0x26e8/0x2e10
[  430.482006] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  430.497367]  ? warn_alloc+0x120/0x120
[  430.502177] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  430.517334]  ? print_usage_bug+0xc0/0xc0
[  430.521108] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  430.529924]  ? warn_alloc+0x120/0x120
[  430.533958] 1997 total pagecache pages
[  430.542523]  ? warn_alloc+0x120/0x120
[  430.546297] 0 pages in swap cache
[  430.550165]  ? print_usage_bug+0xc0/0xc0
[  430.553938] Swap cache stats: add 0, delete 0, find 0/0
[  430.557374]  ? kvm_clock_read+0x18/0x30
[  430.561410] Free swap  = 0kB
[  430.566762]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  430.570705] Total swap = 0kB
[  430.573856]  ? print_usage_bug+0xc0/0xc0
[  430.578850] 1965979 pages RAM
[  430.581861]  ? __lock_acquire+0x62f/0x4c20
[  430.585898] 0 pages HighMem/MovableOnly
[  430.588993]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  430.593193] 342853 pages reserved
[  430.593200] 0 pages cma reserved
[  430.597162]  ? should_fail+0x22d/0xd01
[  430.602807] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  430.606118]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  430.609456] ksoftirqd/1 cpuset=/ mems_allowed=0
[  430.613332]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  430.638631]  ? __lock_acquire+0x62f/0x4c20
[  430.642871]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  430.647977]  ? __lock_acquire+0x62f/0x4c20
[  430.652204]  ? should_fail+0x22d/0xd01
[  430.656085]  ? rcu_irq_exit+0x1a2/0x390
[  430.660062]  ? mark_held_locks+0x130/0x130
[  430.664300]  ? mark_held_locks+0x130/0x130
[  430.668538]  ? mark_held_locks+0xc7/0x130
[  430.672685]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  430.677695]  ? zap_class+0x640/0x640
[  430.681401]  ? print_usage_bug+0xc0/0xc0
[  430.685470]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.691002]  ? check_preemption_disabled+0x48/0x280
[  430.696022]  ? __lock_is_held+0xb5/0x140
[  430.700084]  __alloc_pages_nodemask+0xa80/0xde0
[  430.704750]  ? zap_class+0x640/0x640
[  430.708463]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  430.713483]  ? find_held_lock+0x36/0x1c0
[  430.717551]  ? ____cache_alloc_node+0x1c7/0x1e0
[  430.722220]  ? lock_downgrade+0x900/0x900
[  430.726370]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.731913]  cache_grow_begin+0xa5/0x8c0
[  430.735970]  ? do_raw_spin_unlock+0xa7/0x330
[  430.740379]  fallback_alloc+0x204/0x2e0
[  430.744355]  ____cache_alloc_node+0x1c7/0x1e0
[  430.748858]  kmem_cache_alloc_node+0xe3/0x730
[  430.753352]  ? ipv6_get_ifaddr+0x42e/0x620
[  430.757590]  __alloc_skb+0x119/0x770
[  430.761303]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  430.766579]  ? netdev_alloc_frag+0x1f0/0x1f0
[  430.770987]  ? lock_downgrade+0x900/0x900
[  430.775145]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.780677]  ? refcount_sub_and_test_checked+0x203/0x310
[  430.786132]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  430.791673]  ? addrconf_rs_timer+0x690/0x690
[  430.796175]  ndisc_alloc_skb+0x144/0x340
[  430.800233]  ndisc_send_rs+0x331/0x6e0
[  430.804123]  addrconf_rs_timer+0x314/0x690
[  430.808360]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  430.812596]  call_timer_fn+0x272/0x920
[  430.816476]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  430.820706]  ? process_timeout+0x40/0x40
[  430.824769]  ? __run_timers+0x7da/0xc70
[  430.828738]  ? _raw_spin_unlock_irq+0x27/0x80
[  430.833226]  ? _raw_spin_unlock_irq+0x27/0x80
[  430.837712]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  430.841942]  ? lockdep_hardirqs_on+0x296/0x5b0
[  430.846519]  ? trace_hardirqs_on+0xbd/0x310
[  430.850834]  ? kasan_check_read+0x11/0x20
[  430.854987]  ? __run_timers+0x7da/0xc70
[  430.858959]  ? trace_hardirqs_off_caller+0x310/0x310
[  430.864059]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  430.868295]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  430.872524]  __run_timers+0x7e5/0xc70
[  430.876416]  ? timer_fixup_init+0x70/0x70
[  430.880558]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  430.885569]  ? zap_class+0x640/0x640
[  430.889279]  ? enqueue_hrtimer+0x1a5/0x560
[  430.893511]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  430.898702]  ? find_held_lock+0x36/0x1c0
[  430.902776]  ? zap_class+0x640/0x640
[  430.906487]  ? pvclock_read_flags+0x160/0x160
[  430.910982]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.916515]  ? check_preemption_disabled+0x48/0x280
[  430.921534]  ? __lock_is_held+0xb5/0x140
[  430.925593]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.931139]  ? check_preemption_disabled+0x48/0x280
[  430.936153]  run_timer_softirq+0x52/0xb0
[  430.940211]  ? rcu_read_lock_sched_held+0x14f/0x180
[  430.945224]  __do_softirq+0x308/0xb7e
[  430.949043]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  430.953536]  ? lock_downgrade+0x900/0x900
[  430.957683]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  430.962786]  ? pvclock_read_flags+0x160/0x160
[  430.967277]  ? lapic_next_event+0x5a/0x90
[  430.971421]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.976961]  ? kvm_clock_read+0x18/0x30
[  430.980930]  ? kvm_sched_clock_read+0x9/0x20
[  430.985335]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.990874]  ? check_preemption_disabled+0x48/0x280
[  430.995896]  irq_exit+0x17f/0x1c0
[  430.999348]  smp_apic_timer_interrupt+0x1cb/0x760
[  431.004184]  ? smp_reschedule_interrupt+0x109/0x650
[  431.009455]  ? smp_call_function_single_interrupt+0x650/0x650
[  431.015332]  ? interrupt_entry+0xb5/0xc0
[  431.019392]  ? trace_hardirqs_off_caller+0xbb/0x310
[  431.024402]  ? trace_hardirqs_off_caller+0xbb/0x310
[  431.029415]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  431.034255]  ? trace_hardirqs_on_caller+0x310/0x310
[  431.039266]  ? trace_hardirqs_on_caller+0x310/0x310
[  431.044278]  ? task_prio+0x50/0x50
[  431.047811]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.053351]  ? check_preemption_disabled+0x48/0x280
[  431.058367]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  431.063212]  apic_timer_interrupt+0xf/0x20
[  431.067436]  </IRQ>
[  431.069668] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  431.074596] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  431.093491] RSP: 0000:ffff88019083f738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  431.101192] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  431.108454] RDX: 0000000000000000 RSI: ffff880198ee6d80 RDI: 0000000000000286
[  431.115714] RBP: ffff88019083f7a0 R08: ffff880198ee6500 R09: 0000000000000000
[  431.122979] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  431.130239] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  431.137542]  skb_clone+0x1bb/0x500
[  431.141078]  ? finish_task_switch+0x2f4/0x910
[  431.145571]  ? skb_split+0x11e0/0x11e0
[  431.149460]  ? preempt_notifier_register+0x200/0x200
[  431.154555]  ? __switch_to_asm+0x34/0x70
[  431.158610]  ? __switch_to_asm+0x34/0x70
[  431.162664]  ? __switch_to_asm+0x40/0x70
[  431.166732]  ? __switch_to_asm+0x34/0x70
[  431.170788]  ? __switch_to_asm+0x40/0x70
[  431.174865]  ? __switch_to_asm+0x34/0x70
[  431.178924]  ? __switch_to_asm+0x40/0x70
[  431.182999]  ? __switch_to_asm+0x34/0x70
[  431.187051]  ? __switch_to_asm+0x34/0x70
[  431.191105]  ? __switch_to_asm+0x40/0x70
[  431.195157]  ? __switch_to_asm+0x34/0x70
[  431.199224]  bpf_clone_redirect+0xb9/0x490
[  431.203456]  ? __schedule+0x8d7/0x21d0
[  431.207347]  bpf_prog_bebbfe2050753572+0xd8/0x1000
[  431.212275]  ? __sched_text_start+0x8/0x8
[  431.216421]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  431.221082]  ? retint_kernel+0x2d/0x2d
[  431.224966]  ? trace_hardirqs_on_caller+0xc0/0x310
[  431.229898]  ? find_held_lock+0x36/0x1c0
[  431.233960]  ? lock_acquire+0x1ed/0x520
[  431.237929]  ? bpf_test_run+0x3cb/0x780
[  431.241907]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.247441]  ? check_preemption_disabled+0x48/0x280
[  431.252459]  ? kasan_check_read+0x11/0x20
[  431.256600]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  431.261869]  ? rcu_softirq_qs+0x20/0x20
[  431.265850]  ? preempt_schedule+0x4d/0x60
[  431.270012]  ? ___preempt_schedule+0x16/0x18
[  431.274424]  ? bpf_test_run+0x25d/0x780
[  431.278404]  ? netlink_diag_dump+0x2a0/0x2a0
[  431.282819]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  431.288354]  ? bpf_test_init.isra.10+0x70/0x100
[  431.293024]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  431.297787]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  431.302632]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  431.308166]  ? fput+0x130/0x1a0
[  431.311440]  ? __bpf_prog_get+0x9b/0x290
[  431.315504]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  431.320340]  ? bpf_prog_test_run+0x130/0x1a0
[  431.324745]  ? __x64_sys_bpf+0x3d8/0x520
[  431.328802]  ? bpf_prog_get+0x20/0x20
[  431.332627]  ? do_syscall_64+0x1b9/0x820
[  431.336697]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  431.342059]  ? syscall_return_slowpath+0x5e0/0x5e0
[  431.346986]  ? trace_hardirqs_on_caller+0x310/0x310
[  431.352003]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  431.357021]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  431.363686]  ? __switch_to_asm+0x40/0x70
[  431.367742]  ? __switch_to_asm+0x34/0x70
[  431.371812]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  431.376658]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  431.382033] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #82
[  431.382094] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  431.388873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  431.388877] Call Trace:
[  431.388894]  dump_stack+0x244/0x39d
[  431.388913]  ? dump_stack_print_info.cold.1+0x20/0x20
[  431.395423] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  431.404821]  warn_alloc.cold.116+0xb7/0x1bd
[  431.407370] syz-executor4 cpuset=syz4 mems_allowed=0
[  431.410982]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  431.440835]  ? lock_downgrade+0x900/0x900
[  431.444986]  ? trace_hardirqs_off+0xb8/0x310
[  431.449396]  ? trace_hardirqs_off+0xb8/0x310
[  431.453814]  __alloc_pages_slowpath+0x26e8/0x2e10
[  431.458677]  ? warn_alloc+0x120/0x120
[  431.462493]  ? warn_alloc+0x120/0x120
[  431.466300]  ? __bfs+0xb0/0x780
[  431.469576]  ? warn_alloc+0x120/0x120
[  431.473373]  ? print_usage_bug+0xc0/0xc0
[  431.477431]  ? print_usage_bug+0xc0/0xc0
[  431.481487]  ? check_usage+0x1aa/0x790
[  431.485371]  ? check_usage+0x1aa/0x790
[  431.489259]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  431.494803]  ? should_fail+0x22d/0xd01
[  431.498688]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  431.503788]  ? __lock_acquire+0x62f/0x4c20
[  431.508030]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  431.513130]  ? __lock_acquire+0x62f/0x4c20
[  431.517360]  ? should_fail+0x22d/0xd01
[  431.521248]  ? mark_held_locks+0x130/0x130
[  431.525484]  ? mark_held_locks+0x130/0x130
[  431.529718]  ? zap_class+0x640/0x640
[  431.533427]  ? ret_from_fork+0x3a/0x50
[  431.537314]  ? __lock_acquire+0x62f/0x4c20
[  431.541544]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.547079]  ? check_preemption_disabled+0x48/0x280
[  431.552098]  ? __lock_is_held+0xb5/0x140
[  431.556162]  __alloc_pages_nodemask+0xa80/0xde0
[  431.560826]  ? zap_class+0x640/0x640
[  431.564542]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  431.569565]  ? find_held_lock+0x36/0x1c0
[  431.573630]  ? ____cache_alloc_node+0x1c7/0x1e0
[  431.578297]  ? lock_downgrade+0x900/0x900
[  431.582456]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.587998]  cache_grow_begin+0xa5/0x8c0
[  431.592070]  ? do_raw_spin_unlock+0xa7/0x330
[  431.596479]  fallback_alloc+0x204/0x2e0
[  431.600459]  ____cache_alloc_node+0x1c7/0x1e0
[  431.604959]  kmem_cache_alloc_node+0xe3/0x730
[  431.609455]  ? mark_held_locks+0xc7/0x130
[  431.613608]  __alloc_skb+0x119/0x770
[  431.617323]  ? netdev_alloc_frag+0x1f0/0x1f0
[  431.621730]  ? do_raw_spin_trylock+0x270/0x270
[  431.626313]  ? kmem_cache_alloc_trace+0x353/0x750
[  431.631161]  ? queue_work_on+0x12c/0x1e0
[  431.635231]  ? switchdev_port_obj_del+0xdc/0x440
[  431.639983]  ? switchdev_trans_item_enqueue+0x260/0x260
[  431.645349]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  431.650365]  __br_mdb_notify+0x4ff/0x15d0
[  431.654507]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  431.659612]  ? __br_mdb_add+0x7f0/0x7f0
[  431.663678]  ? mark_held_locks+0x130/0x130
[  431.667918]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  431.673020]  ? debug_object_assert_init+0x368/0x4b0
[  431.678036]  ? debug_object_init_on_stack+0x20/0x20
[  431.683048]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.688585]  br_mdb_notify+0x310/0x410
[  431.692469]  ? br_mdb_dump+0x27b0/0x27b0
[  431.696542]  br_multicast_del_pg+0x3df/0x790
[  431.700954]  ? br_mdb_ip_get+0x940/0x940
[  431.705011]  ? rwlock_bug.part.2+0x90/0x90
[  431.709247]  ? __lock_is_held+0xb5/0x140
[  431.713315]  br_multicast_port_group_expired+0x189/0x1e0
[  431.718766]  call_timer_fn+0x272/0x920
[  431.722654]  ? br_multicast_del_pg+0x790/0x790
[  431.727228]  ? process_timeout+0x40/0x40
[  431.731288]  ? __run_timers+0x7da/0xc70
[  431.735261]  ? _raw_spin_unlock_irq+0x27/0x80
[  431.739751]  ? _raw_spin_unlock_irq+0x27/0x80
[  431.744245]  ? br_multicast_del_pg+0x790/0x790
[  431.748824]  ? lockdep_hardirqs_on+0x296/0x5b0
[  431.753404]  ? trace_hardirqs_on+0xbd/0x310
[  431.757723]  ? kasan_check_read+0x11/0x20
[  431.761879]  ? __run_timers+0x7da/0xc70
[  431.765862]  ? trace_hardirqs_off_caller+0x310/0x310
[  431.770966]  ? br_multicast_del_pg+0x790/0x790
[  431.775552]  ? br_multicast_del_pg+0x790/0x790
[  431.780129]  __run_timers+0x7e5/0xc70
[  431.783932]  ? timer_fixup_init+0x70/0x70
[  431.788078]  ? _raw_spin_unlock_irq+0x27/0x80
[  431.792564]  ? _raw_spin_unlock_irq+0x27/0x80
[  431.797057]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  431.801632]  ? trace_hardirqs_on+0xbd/0x310
[  431.805947]  ? kasan_check_read+0x11/0x20
[  431.810089]  ? finish_task_switch+0x1f4/0x910
[  431.814582]  ? trace_hardirqs_off_caller+0x310/0x310
[  431.819678]  ? compat_start_thread+0x80/0x80
[  431.824098]  ? pvclock_read_flags+0x160/0x160
[  431.828588]  ? __switch_to_asm+0x34/0x70
[  431.832642]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.838174]  ? check_preemption_disabled+0x48/0x280
[  431.843193]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  431.848724]  ? rcu_pm_notify+0xc0/0xc0
[  431.852605]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.858139]  ? check_preemption_disabled+0x48/0x280
[  431.863156]  run_timer_softirq+0x52/0xb0
[  431.867209]  ? rcu_read_lock_sched_held+0x14f/0x180
[  431.872223]  __do_softirq+0x308/0xb7e
[  431.876030]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  431.881125]  ? trace_hardirqs_off+0xb8/0x310
[  431.885522]  ? rcu_irq_enter+0x18c/0x310
[  431.889588]  ? schedule+0x108/0x460
[  431.893229]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  431.897987]  ? trace_hardirqs_off+0xb8/0x310
[  431.902393]  ? smpboot_thread_fn+0x68b/0xa00
[  431.906799]  ? trace_hardirqs_on+0x310/0x310
[  431.911223]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  431.916754]  ? check_preemption_disabled+0x48/0x280
[  431.921775]  ? takeover_tasklets+0xa90/0xa90
[  431.926179]  run_ksoftirqd+0x5e/0x100
[  431.929974]  smpboot_thread_fn+0x68b/0xa00
[  431.934205]  ? sort_range+0x30/0x30
[  431.937828]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  431.942925]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  431.948460]  ? __kthread_parkme+0xfb/0x1a0
[  431.952690]  ? sort_range+0x30/0x30
[  431.956310]  kthread+0x35a/0x440
[  431.959675]  ? kthread_stop+0x900/0x900
[  431.963731]  ret_from_fork+0x3a/0x50
[  431.967580] warn_alloc_show_mem: 1 callbacks suppressed
[  431.967588] CPU: 0 PID: 18468 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #82
[  431.967590] Mem-Info:
[  431.967618] active_anon:51228 inactive_anon:1911 isolated_anon:0
[  431.967618]  active_file:16 inactive_file:14 isolated_file:0
[  431.967618]  unevictable:0 dirty:0 writeback:0 unstable:0
[  431.967618]  slab_reclaimable:9569 slab_unreclaimable:1452841
[  431.967618]  mapped:32770 shmem:1967 pagetables:589 bounce:0
[  431.967618]  free:13767 free_pcp:490 free_cma:0
[  431.973467] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  431.973475] Call Trace:
[  431.980777] Node 0 active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:7868kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  431.983172]  <IRQ>
[  432.016199] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  432.025552]  dump_stack+0x244/0x39d
[  432.028102] lowmem_reserve[]: 0 2818 6321 6321
[  432.055777]  ? dump_stack_print_info.cold.1+0x20/0x20
[  432.057893] Node 0 DMA32 free:25196kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:372kB local_pcp:192kB free_cma:0kB
[  432.084107]  warn_alloc.cold.116+0xb7/0x1bd
[  432.087697] lowmem_reserve[]: 0 0 3503 3503
[  432.092268]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  432.097429] Node 0 Normal free:13964kB min:37364kB low:46704kB high:56044kB active_anon:204912kB inactive_anon:7644kB active_file:64kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6848kB pagetables:2356kB bounce:0kB free_pcp:1588kB local_pcp:1088kB free_cma:0kB
[  432.124919]  ? lock_downgrade+0x900/0x900
[  432.129215] lowmem_reserve[]: 0 0 0 0
[  432.133530]  ? trace_hardirqs_off+0xb8/0x310
[  432.138905] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  432.168071]  ? trace_hardirqs_off+0xb8/0x310
[  432.172188] Node 0 DMA32: 5*4kB (MH) 3*8kB (UMH) 2*16kB (MH) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25196kB
[  432.175987]  __alloc_pages_slowpath+0x26e8/0x2e10
[  432.180360] Node 0 Normal: 899*4kB (UME) 458*8kB (UMEH) 167*16kB (UMEH) 55*32kB (UME) 18*64kB (UM) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13996kB
[  432.193925]  ? warn_alloc+0x120/0x120
[  432.198267] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  432.213595]  ? print_usage_bug+0xc0/0xc0